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pageslop.fo (text/plain), 55.67 KB, created by Jim Tivy on 2007-03-28 14:07:29 UTC

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><fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format" > xmlns:fox="http://xml.apache.org/fop/extensions"> > <fox:outline internal-destination="d1e1_a3"> > <fox:label>What is the Num 2 Diesel Fractionator Bottoms System?</fox:label> > </fox:outline> > <fox:outline internal-destination="d2e1_a3"> > <fox:label>Why Do We Need the Num 2 Diesel Fractionator Bottoms System?</fox:label> > </fox:outline> > <fox:outline internal-destination="d3e1_a3"> > <fox:label>How Does the Num 2 Diesel Fractionator Bottoms System Work?</fox:label> > <fox:outline internal-destination="d4e1_a3"> > <fox:label>Fractionator Bottoms Pumps P-1607A/B</fox:label> > </fox:outline> > <fox:outline internal-destination="d5e1_a3"> > <fox:label>Fractionator Feed/No. 2 Diesel Product Exchangers E-1604A - D</fox:label> > </fox:outline> > <fox:outline internal-destination="d6e1_a3"> > <fox:label>No. 2 Diesel Product Cooler E-1608</fox:label> > </fox:outline> > <fox:outline internal-destination="d7e1_a3"> > <fox:label>No. 1 Diesel Stripper Reboiler E-1606</fox:label> > </fox:outline> > <fox:outline internal-destination="d8e1_a3"> > <fox:label>Fractionator Reboiler H-1602</fox:label> > </fox:outline> > </fox:outline> > <fo:layout-master-set> > <fo:page-sequence-master master-name="bothFlow"> > <fo:repeatable-page-master-alternatives> > <fo:conditional-page-master-reference odd-or-even="odd" master-reference="oddFlow"/> > <fo:conditional-page-master-reference odd-or-even="even" > master-reference="evenFlowBlank"/> > </fo:repeatable-page-master-alternatives> > </fo:page-sequence-master> > <fo:simple-page-master page-width="51pc" page-height="66pc" margin-top="3pc" > margin-bottom="3pc" margin-left="6pc" margin-right="6pc" master-name="cover"> > <fo:region-body margin-top="72pt"/> > <fo:region-before extent="8.0in"/> > </fo:simple-page-master> > <fo:simple-page-master page-width="51pc" page-height="66pc" margin-top="3pc" > margin-bottom="3pc" margin-left="6pc" margin-right="6pc" master-name="common-page"> > <fo:region-body margin-bottom="36pt" margin-top="12pt"/> > <fo:region-before extent="12pt"/> > <fo:region-after extent="24pt"/> > </fo:simple-page-master> > <fo:simple-page-master page-width="8.5in" page-height="11in" margin-top="0in" > margin-bottom="0in" margin-left="0pc" margin-right="0pc" master-name="oddFlow"> > <fo:region-body margin-left=".5in" margin-right=".5in" margin-top="1in" margin-bottom="1in"/> > <fo:region-before region-name="beforeOdd" extent="1in"/> > <fo:region-after region-name="afterOdd" extent="0.5in"/> > </fo:simple-page-master> > <fo:simple-page-master page-width="8.5in" page-height="11in" margin-top="0in" > margin-bottom="0in" margin-left="0in" margin-right="0in" master-name="evenFlowBlank"> > <fo:region-body margin-left=".5in" margin-right=".5in" margin-top="8in" margin-bottom="3in"/> > <fo:region-after region-name="afterFlowBlank" extent="0.5in"/> > </fo:simple-page-master> > <fo:simple-page-master page-width="51pc" page-height="66pc" margin-top="0in" > margin-bottom="0in" margin-left="0in" margin-right="0pc" master-name="evenImage"> > <fo:region-body margin-left=".5in" margin-right=".5in" margin-top=".5in" > margin-bottom=".5in"/> > <fo:region-after region-name="afterImage" extent="0.5in"/> > </fo:simple-page-master> > </fo:layout-master-set> > <fo:page-sequence master-reference="common-page" format="i"> > <fo:static-content flow-name="xsl-region-before"> > <fo:block font-size="8pt" line-height="8pt">Num 2 Deisel Fractionator Bottoms</fo:block> > </fo:static-content> > <fo:static-content flow-name="xsl-region-after"> > <fo:block text-align="center" font-size="10pt" font-weight="bold" font-family="Helvetica"> > <fo:page-number/> > </fo:block> > </fo:static-content> > <fo:flow flow-name="xsl-region-body"> > <fo:block line-height="12pt" font-size="10pt" font-family="Helvetica" id="page1-1"> > <fo:block text-align="left" font-family="Helvetica"> > <fo:block> > <fo:leader color="black" leader-pattern="rule" rule-thickness="3pt" > leader-length="2in"/> > </fo:block> > <fo:block font-size="20pt" font-weight="bold" line-height="140%"> Contents </fo:block> > <fo:block text-align-last="justify" margin-top="6pt" margin-left="4.9pc"> > <fo:inline font-weight="bold">What is the Num 2 Diesel Fractionator Bottoms > System?</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d1e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-top="6pt" margin-left="4.9pc"> > <fo:inline font-weight="bold">Why Do We Need the Num 2 Diesel Fractionator Bottoms > System?</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d2e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-top="6pt" margin-left="4.9pc"> > <fo:inline font-weight="bold">How Does the Num 2 Diesel Fractionator Bottoms > System Work?</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d3e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-left="7.5pc"> > <fo:inline font-weight="bold">Fractionator Bottoms Pumps P-1607A/B</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d4e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-left="7.5pc"> > <fo:inline font-weight="bold">Fractionator Feed/No. 2 Diesel Product Exchangers > E-1604A - D</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d5e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-left="7.5pc"> > <fo:inline font-weight="bold">No. 2 Diesel Product Cooler E-1608</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d6e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-left="7.5pc"> > <fo:inline font-weight="bold">No. 1 Diesel Stripper Reboiler E-1606</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d7e1_a3"/> > </fo:block> > <fo:block text-align-last="justify" margin-left="7.5pc"> > <fo:inline font-weight="bold">Fractionator Reboiler H-1602</fo:inline> > <fo:leader leader-pattern="dots"/> > <fo:page-number-citation ref-id="d8e1_a3"/> > </fo:block> > </fo:block> > </fo:block> > </fo:flow> > </fo:page-sequence> > <fo:page-sequence master-reference="bothFlow" initial-page-number="1"> > <fo:static-content flow-name="xsl-region-before"> > <fo:block font-size="8pt" line-height="8pt">Num 2 Deisel Fractionator Bottoms</fo:block> > </fo:static-content> > <fo:static-content flow-name="xsl-region-after"> > <fo:block text-align="center" font-size="10pt" font-weight="bold" font-family="Helvetica"> > <fo:page-number/> > </fo:block> > </fo:static-content> > <fo:flow flow-name="xsl-region-body"> > <fo:block text-align="left" font-size="10pt" font-family="Helvetica" break-before="page"> > <fo:block> > <fo:block margin-top="0pc" margin-bottom="1.4pc" font-size="16pt" font-weight="bold" > id="d0e3" padding-top="1.4pc"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="3pt" line-height="100%"><fo:inline > id="d1e1_a3"/>What is the Num 2 Diesel Fractionator Bottoms > System?</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">What is the Num 2 Diesel Fractionator > Bottoms System?</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The is a system of piping, valves, pumps, heat exchangers, > a furnace and associated instrumentation that provides the means to get the No. > 2 Diesel/Fractionator Bottoms from the Fractionator, T-1601; to the > Fractionator Bottoms Pumps P-1607A, P-1607B; to the tube side of No. 1 Diesel > Stripper Reboiler, E-1606; through the Fractionator Reboiler, H-1602; to the > tube side of Fractionator Feed / No. 2 Product Exchangers E-1604A, E-1604B, > E-1604C, E-1604D; and No. 2 Diesel Product Cooler Intercooler, E-1608; and to > storage or reject.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block margin-top="0pc" margin-bottom="1.4pc" font-size="16pt" font-weight="bold" > id="d0e11" padding-top="1.4pc" break-before="page"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="3pt" line-height="100%"><fo:inline > id="d2e1_a3"/>Why Do We Need the Num 2 Diesel Fractionator Bottoms > System?</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">Why Do We Need the Num 2 Diesel > Fractionator Bottoms System?</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The is needed to take the No. 2 Diesel Fractionator Bottoms > from the bottom of the Fractionator, T-1601; recover heat from it in the > Fractionator Feed / No. 2 Product Exchangers E-1604A, E-1604B, E-1604C, > E-1604D; use it to add heat to the Side Stripper, T-1602 in the No. 1 Diesel > Stripper Reboiler; heat it back up in the Fractionator Reboiler, H-1602; return > the heated product to the Fractionator, T-1601 where it is cooled off to make > final product out the Fractionator Bottoms; and then routed to > storage.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block margin-top="0pc" margin-bottom="1.4pc" font-size="16pt" font-weight="bold" > id="d0e19" padding-top="1.4pc" break-before="page"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="3pt" line-height="100%"><fo:inline > id="d3e1_a3"/>How Does the Num 2 Diesel Fractionator Bottoms System > Work?</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">How Does the Num 2 Diesel Fractionator > Bottoms System Work?</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">Note: With the unit feed in the summer being 100% DF2 from > the Crude Unit, there is no No. 1 Diesel (DFA) to separate out as there is in > the winter mode of operation. During the summer, the Side Stripper, T-1602 and > associated equipment will be idled. This will be discussed in the DDU Overview.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The Fractionator Bottoms Product (No. 2 Diesel) is pumped > from the bottom of the Fractionator, T-1601 by Fractionator Bottoms Pump, > P-1607A, P-1607B. During winter operations, part of the Fractionator Bottoms > Product off T-1601 flows through the tube side of the No. 1 Diesel Stripper > Reboiler, E-1606 where it is cooled by exchanging heat with T-1602 Bottoms, > which is circulating through the shell side of the exchanger. The remainder of > the Fractionator Bottoms Product is pumped by P-1607A, P-1607B to the tube side > of the Fractionator Feed / No. 2 Product Exchangers E-1604A, E-1604B, E-1604C, > E-1604D where it is cooled by exchanging heat with the Fractionator Feed, which > is flowing through the shell side of the exchanger and then goes on to the No. > 2 Diesel Product Cooler Intercooler, E-1608 where it is cooled. The No. 2 > Diesel Product then flows to storage. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The major components of the are the Fractionator Bottoms > Pumps P-1607A, P-1607B, tube side of the No. 1 Diesel Stripper Reboiler, > E-1606, channel head side of the Fractionator Feed / No. 2 Product Exchangers > E-1604A, E-1604B, E-1604C, E-1604D, Fractionator Reboiler, H-1602, and No. 2 > Diesel Product Cooler Intercooler, E-1608. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The Fractionator Bottoms Product off T-1601 is No. 2 > Diesel. This flows out of T-1601 through a vortex breaker and 10-inch line with > ANSI 150-lb. class flanges. This line off T-1601 has a 3-inch connection with a > block valve, a blind, and is piped up to the . It has a sight glass to visually > observe flow to the . The 10-inch line also has a 1½-inch connection with > TE-16155 that sends a signal to TI-16155 in the DCS. This indicates the > temperature on the Fractionator Bottoms liquid. Then the Fractionator Bottoms > piping splits into two 10-inch lines and the piping changes to ANSI 300-lb. > class flanges where on each branch there is a 10-inch block valve, a blinding > station and a ¾-inch bleed valve. Both 10-inch branches reduce to 8 inches and > flow into the suction of P-1607A, P-1607B.</fo:block> > </fo:block> > <fo:block> > <fo:block padding-top="1pc" margin-bottom="5pt" font-size="14pt" > font-weight="bold" id="d0e33"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="1pt"><fo:inline id="d4e1_a3" > />Fractionator Bottoms Pumps P-1607A/B</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">Fractionator Bottoms Pumps P-1607A/B</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The Fractionator Bottoms Pumps P-1607A, P-1607B are > centrifugal pumps with 200-hp electric drivers. They have local mounted > start/stop switches. Hand Switch, HS-16179 on P-1607A and Hand Switch, > HS-16180 on P-1607B indicate the run status in the .</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> P-1607A, P-1607B have 8-inch suctions and 4-inch > discharges. P-1607A, P-1607B use an API plan 23/52 seal flush. The primary > seal flush (API plan 23) uses a tap off the case and routes the seal flush > through a heat exchanger where glycol circulates through the shell, cooling > the No. 2 Diesel Product in the tube coil. The cooled No. 2 Diesel Product > is then routed to the primary seal flush. The secondary seal flush (API plan > 52) uses a local mounted reservoir to circulate buffer fluid through the > secondary seal by thermo-syphoning. The cooler fluid, being denser, flows > from the bottom of the reservoir and the warmer fluid returns to the top of > the reservoir. The reservoir is vented to the through a restriction orifice. > This captures vapors released if the primary seal fails. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> P-1607A, P-1607B have a ¾-inch bleed valve routed to > the off the bottom of the case. There is a sight glass on this line for a > visual verification of flow to the . P-1607A, P-1607B have a 2-inch > connection that ties into the line to the .</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> P-1607A, P-1607B discharge through a 4-inch pipe that > increases to 8 inches and has a ¾-inch bleed valve with a local mounted > PI-16177 on P-1607A and local mounted PI-16178 on P-1607B for local > indication of discharge pressure. There are 8-inch check valves in the > discharge piping to prevent backflow through P-1607A, P-1607B. The 8-inch > discharge piping has a ¾-inch bleed valve, a blinding station and an 8-inch > block valve. Both 8-inch discharge lines combine into a single 8-inch pipe, > then the flow splits and has a 6-inch connection where part of No. 2 Diesel > Product flows toward the Fractionator Feed / No. 2 Product Exchanger, > E-1604A, E-1604B, E-1604C, E-1604D. The other part of the No. 2 Diesel > Product flows through an 8-inch connection to the tube side of the No. 1 > Diesel Stripper Reboiler, E-1606. On the 6-inch line, there is a ¾-inch > bleed valve on the piping prior to flowing into the top of the channel head > on Fractionator Feed / No. 2 Product Exchanger, E-1604D through a 6-inch > nozzle.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block padding-top="1pc" margin-bottom="5pt" font-size="14pt" > font-weight="bold" id="d0e47"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="1pt"><fo:inline id="d5e1_a3" > />Fractionator Feed/No. 2 Diesel Product Exchangers E-1604A - D</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">Fractionator Feed/No. 2 Diesel > Product Exchangers E-1604A - D</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">There are four Fractionator Feed / No. 2 Product > Exchangers E-1604A, E-1604B, E-1604C, E-1604D which all function in the same > manner. The channel head inlet nozzle has a 1-inch and a 1½-inch connection > that are both blind-flanged. There is a ¾-inch plugged connection on the top > and bottom of the channel head. From the inlet nozzle, the No. 2 Diesel > Product flows through the tubes in the tube bundle inside the shell where it > is cooled by the Fractionator Feed flowing through the shell. The tube > bundle is a 4-pass “U tube” design. The channel head has internal pass > partitions that direct the flow through the first pass where the “U tubes” > return the flow through the second pass back into the channel head. From > there, it is directed into the third pass. The “U tubes” return the No. 2 > Diesel Product through the fourth pass back to the channel where it flows > out the 6-inch outlet nozzle. The channel outlet nozzle of E-1604D is > connected to the channel inlet nozzle of E-1604C where TW-16290 is installed > in a 1½-inch connection. There is also a 1-inch connection that is > blind-flanged. The flow through E-1604C is identical to E-1604D. The No. 2 > Diesel Product leaves the bottom of the channel on E-1604C through a 6-inch > outlet nozzle that has a 1-inch connection and a 1½-inch connection that are > both blind-flanged. There is a ¾-inch bleed valve on the 6-inch piping just > out of E-1604C and another ¾-inch bleed valve prior to entering the top of > the channel on E-1604B. The 6-inch inlet nozzle on E-1604B has a 1½-inch > connection with a local mounted TW-16153. It also has a 1-inch blind-flanged > connection. The flow through the bundle is the same as in E-1604D and > E-1604C. The channel outlet nozzle off E-1604B is connected to the channel > inlet nozzle of E-1604A where there is a local mounted TW-16288 installed in > a 1½-inch connection. There is also a 1-inch connection that is > blind-flanged. It then flows through the bundle in E-1604A and exits the > bottom of the channel head through a 6-inch nozzle that has a 1-inch > connection and a 1½-inch connection that are both blind-flanged. The 6-inch > outlet piping has a ¾-inch bleed valve and a 1½-inch connection for > <fo:inline font-weight="bold"/> and TE-16157 that send signals to > TI-16157 in the . This indicates the temperature of the No. 2 Diesel Product > after E-1604A, E-1604B, E-1604C, E-1604D prior to final cooling. The No. 2 > Diesel Product flow then enters the No. 2 Diesel Product Cooler Intercooler, > E-1608 through a 6-inch connection with a blinding station.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block padding-top="1pc" margin-bottom="5pt" font-size="14pt" > font-weight="bold" id="d0e57"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="1pt"><fo:inline id="d6e1_a3"/>No. > 2 Diesel Product Cooler E-1608</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">No. 2 Diesel Product Cooler E-1608</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The No. 2 Diesel Product Cooler Intercooler, E-1608 is > designed for 300 psig at 350 °F. The bay is 7 feet 4 inches wide and 32 feet > long and has an inlet and outlet tube header box with 210 finned tubes and a > return header box. The tubes are 1 inch OD. The No. 2 Diesel Product flows > through the tubes in 4 passes as directed by baffles within the header > boxes. On the return header box is a 1½-inch connection on the top and > bottom with block valves and blind flanges. The 6-inch inlet and outlet > nozzles each have two 1½-inch connections that are blind flanged.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The exchanger has 2 fans driven by 20-hp electric motors > with local start/stop switches mounted at grade. These fans are shared by > the No. 1 Diesel Product Cooler, E-1607. The fan motor on the inlet end is a > variable speed and the one on the opposite end is a fixed speed. The speed > on the variable speed motor is controlled by a Speed Controller, SC-16253 in > the . SC-16253 is linked to TIC-16240 in the DCS. TIC-16240 receives a > signal from TE-16240 on the outlet piping from E-1608. Vibration Switch > High, XSH-16254 sends a signal to the Vibration Alarm High, XAH-16254 in the > DCS if the vibration reaches a predetermined set point on the fixed speed > fan. Vibration Switch High, XSH-16255 sends a signal to the Vibration Alarm > High, XAH-16255 in the DCS if the vibration reaches a predetermined set > point on the variable speed fan.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">There are air exhaust louvers on top of E-1608 to > control air flow and avoid freeze-ups. The louvers have a pneumatic actuator > TV-16322 to open and close them as necessary. The louvers on E-1608 are > controlled by local mounted TIC-16322. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The No. 2 Diesel Product exits E-1608 through a 6-inch > nozzle on the bottom of the header where there is a blinding station. On the > outlet piping there is FE-16237 and FT-16237 that sends a signal to > FIC-16237 for indication in the DCS of the No. 2 Diesel Product flow rate. > FIC-16237 sends a signal to FY-16237 to control the No. 2 Diesel Product > flow rate by controlling FV-16237 on the No. 2 Diesel Product line. > FIC-16237 is linked to LIC-16182 in the DCS. LIC-16182 is the Fractionator, > T-1601 level controller and will open FV-16237 if the level in T-1601 rises > and will close FV-16237 if the level falls. There is a ¾-inch bleed valve > with a local mounted PI-16238 to indicate pressure on the No. 2 Diesel > Product line. There is 6-inch block valve with a ¾-inch bleed valve, then > the piping reduces to 4 inches at FV-16237. FV-16237 controls the No. 2 > Diesel Product flow rate which controls the level in T-1601 as mentioned > above. Downstream of FV-16237, the piping increases to 6 inches and there is > a 6-inch block valve and a ¾-inch bleed valve. Downstream of the 6-inch > block valve downstream of FV-16237, the piping changes to ANSI 150-lb. class > flanges. There is a 4-inch bypass around FV-16237 with a 4-inch globe valve. > There is also a ¾-inch bypass around FV-16237 with ¾-inch block valves on > each end of the bypass and a ¾-inch bleed valve on each end. In the middle > of this bypass is a ¼-inch needle bleed valve. On the 6-inch No. 2 Diesel > Product line there is a 1½-inch connection for and TE-16240 that sends > signals to TIC-16240 in the DCS to indicate the temperature of the No. 2 > Diesel Product after final cooling. TIC-16240 will give a High Temperature > alarm in the DCS if the temperature rises above a predetermined set point. > TIC-16240 is linked to the Speed Controller, SC-16253 that controls the > speed on the variable speed cooling fan on E-1608. On the line is a 4-inch > connection with a normally closed 4-inch block valve. This line is insulated > and electrically heat traced. It has a ¾-inch bleed valve downstream of the > 4-inch block valve and the line is used for recycling the No. 2 Diesel for > startup purposes. On the startup line there is FE-16001 and FT-16001 that > send signals to for indication in the DCS of the No. 2 Diesel Product > recycle flow rate. sends a signal to FY-16001 to control the No. 2 Diesel > Product recycle flow rate by controlling FV-16001 on the No. 2 Diesel > Product recycle line. The 4-inch line has a 4-inch block valve and a ¾-inch > bleed valve upstream of a 4-inch by 2-inch reducer at the FV-16001. > Downstream of FV-16001, the line increases back to 4 inches. There is a > 3-inch bypass with a 3-inch globe valve outside the block valves on > FV-16001. There is a 4-inch check valve and a ¾-inch bleed valve where the > 4-inch line ties into the upstream of the Feed Filter, F-1601A, F-1601B. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> Back on the 6-inch No. 2 Diesel Product line there is a > 6-inch block valve located next to the previously mentioned 4-inch No. 2 > Diesel Product recycle block valve. The 6-inch No. 2 Diesel Product line > splits and there is a 4-inch connection that is available to route to reject > if needed. This line has a 4-inch check valve, a ¾-inch bleed valve, a > blinding station, and a 4-inch block valve at the battery limits. The 6-inch > No. 2 Diesel Product line splits and is routed to storage through two 6-inch > connections each having a 6-inch block valve with a blinding station > upstream and a ¾-inch bleed valve on either side. These 6-inch valves are at > the battery limits.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> On the second route of flow from the Fractionator > Bottoms Pump, P-1607A, P-1607B is an 8-inch connection, which is routed to > the No. 1 Diesel Stripper Reboiler, E-1606. During the winter mode of > operation, the Side Stripper, T-1602 is in operation and the Fractionator > Bottoms is routed through the tube side of E-1606. During the summer > operation when E-1606 is idled, the flow is bypassed around E-1606. The > 8-inch Fractionator Bottoms piping has FE-16297 and FT-16297 that sends a > signal to FIC-16297 for indication in the DCS of the Fractionator Bottoms > flow rate eventually returning to T-1601. FIC-16297 sends a signal to > FY-16297 to control the Fractionator Bottoms flow rate by controlling > FV-16297 on the Fractionator Bottoms line to the Fractionator Reboiler, > H-1602. A 6-inch connection with a 6-inch gate valve then reduces to 4 > inches with a ¾-inch bleed valve upstream of FV-16297. After FV-16297, the > piping increases back to 6 inches where there is a 6-inch gate valve and a > 4-inch bypass with a 4-inch globe valve outside the block valves on > FV-16297. This flow bypasses E-1606 and ties into the outlet piping from the > tube side of E-1606. It is used during the summer operation mode. Downstream > of the connection for FV-16297, the 8-inch Fractionator Bottoms piping > reduces to 4 inches where there is a FE-16298 and FT-16298 that sends a > signal to FIC-16298 for indication in the DCS of the Fractionator Bottoms > flow rate to the tube side of E-1606. FIC-16298 is linked to TC-16200, on > E-1606 outlet piping. FIC-16298 sends a signal to FY-16298 to control > FV-16298, which controls the Fractionator Bottoms flow through the tube side > of E-1606. This controls the temperature on E-1606. As TC-16200 senses > E-1606 outlet temperature fall, it sends a signal for FV-16298 to open more > and as it senses E-1606 outlet temperature rise, it sends a signal for > FV-16298 to close. There is a 4-inch block valve, a 4 -nch by 2-inch reducer > and ¾-inch bleed valve upstream of FV-16298. The line increases back to 4 > inches and there is a 4-inch block valve downstream of FV-16298. There is a > 2-inch bypass line outside the block valves with a 2-inch globe valve on the > bypass line. The Fractionator Bottoms enters the 4-inch channel inlet nozzle > on the top of E-1606 where it exchanges heat with the Side Stripper, T-1602 > Bottoms, which is circulating through the shell side of the > exchanger.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block padding-top="1pc" margin-bottom="5pt" font-size="14pt" > font-weight="bold" id="d0e75"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="1pt"><fo:inline id="d7e1_a3"/>No. > 1 Diesel Stripper Reboiler E-1606</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">No. 1 Diesel Stripper Reboiler > E-1606</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The No. 1 Diesel Stripper Reboiler, E-1606 channel head > is designed for 300 psig at 650 °F and full vacuum at 350 °F. The channel > head inlet nozzle has a 1-inch blind-flanged connection and a 1½-inch > connection that has TW-16299 installed in it. There is a ¾-inch plugged > connection on the top and bottom of the channel head. The reboiler bundle > has 54 “U tubes” and is 12 feet long. The tube bundle is a 4-pass “U tube” > design. The channel head has internal pass partitions that direct the flow > through the first pass where the “U tubes” return the flow through the > second pass back into the channel head. From there, it is directed into the > third pass. The “U tubes” return the Fractionator Bottoms through the fourth > pass back to the channel where it flows out the 4-inch outlet nozzle. The > channel head outlet nozzle has a 1-inch blind-flanged connection and a > 1½-inch connection that has TW-16300 installed in it. The 4-inch outlet > piping increases to 8 inches and joins the 8-inch piping downstream of > FV-16297. Downstream of this intersection there is a 1½-inch connection with > and TE-16292 that sends signals to TI-16292 in the . This indicates the > temperature of the Fractionator Bottoms to the Fractionator Reboiler, > H-1602. The 8-inch piping then splits into two 6-inch streams feeding > H-1602. One 6-inch line has FE-16171 and FT-16171 that sends signals to > FI-16171 for indication in the DCS of the Fractionator Bottoms flow to one > pass of E-1606. FI-16171 gives a Low Flow alarm when the flow drops below a > predetermined set point. Local mounted FI-16171A gives a local indication of > flow to E-1606. The other 6-inch line has FE-16172 and FT-16172 that sends a > signal to FI-16172 to indicate in the DCS the Fractionator Bottoms flow to > the other pass of E-1606. FI-16172 gives a Low Flow alarm when the flow > drops below a predetermined set point. Local mounted FI-16172A gives a local > indication of flow to E-1606. Each pass has a 6-inch globe valve for > manually controlling flow into E-1606. Both of the 6-inch lines reduce to 5 > inches and enter the convection section of H-1602.</fo:block> > </fo:block> > </fo:block> > <fo:block> > <fo:block padding-top="1pc" margin-bottom="5pt" font-size="14pt" > font-weight="bold" id="d0e83"> > <fo:block border-left-width="0pt" border-right-width="0pt" > border-top-color="black" border-top-width="1pt"><fo:inline id="d8e1_a3" > />Fractionator Reboiler H-1602</fo:block> > </fo:block> > <fo:block start-indent="45pt" font-size="10pt"> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em" start-indent="45pt">Fractionator Reboiler H-1602</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> Downstream of the , the 3-inch piping splits and feeds > the 4 individual burners through 2-inch block valves, 2-inch ball valves, > and flex hoses.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em">The Fractionator Reboiler, H-1602 is a Fuel Gas fired > cylindrical furnace that has internal coils in the convection or flue gas > section and the radiant or firebox section for the transfer of heat to the > Fractionator Bottoms flowing through the furnace tubes or coils. The furnace > has four natural gas fired pilots and four Fuel Gas fired burners in the > bottom of the firebox. As the gas rushes in through the pilots and burners, > combustion air is drawn around them into the furnace where it mixes with the > gas and burns. The combustion process creates heated flue gases rich in > carbon monoxide. The flue gases give off radiant heat, which transfers > through the walls of the heater tubes in the firebox to the Fractionator > Bottoms flowing through the tubes. The heated flue gas rises through the > convection section of the furnace where it flows around the convection tubes > and transfers heat through the wall of the tubes to the Fractionator Bottoms > flowing through the tubes. The flue gas then continues to rise up and out of > the furnace stack creating a draft or negative pressure in the furnace. This > draft (called induced draft) pulls combustion air into the furnace. In the > stack is a stack dampener designed to allow adjustments to control the > amount of draft in the furnace. The stack dampener has a mechanical stop set > at approximately 10 – 15% minimum closure to prevent the accidental closing > of the damper, creating a potentially dangerous condition of positive > pressure in the firebox. There is a 3-inch connection on the stack below the > dampener for a stack gas analyzer. Stack gas analyzer local mounted O2 > Analyzer Transmitter, AT-16175 sends a signal to board mounted O2 Analyzer > Indicator, AI-16175A for local indication of flue gas oxygen (O2) content > and O2 Analyzer Indicator, AI-16175 gives an indication of O2 content to the > . The local mounted Co Analyzer Transmitter, AT-16176 sends a signal to > board mounted Co Analyzer Indicator, AI-16176A for local indication of flue > gas carbon monoxide (CO) content and Co Analyzer Indicator, AI-16176 > indicates the CO content to the DCS. The furnace has an additional > blind-flanged 3-inch connection below the stack dampener and two 4-inch > blind flanged connections above the stack dampener. The two 4-inch > connections are for EPA sample connections. The furnace has two 1½-inch > connections for furnace pressure taps. One is near the bottom and one is > below the convection coil. Both connections reduce to ¾-inches with ¾-inch > tubing running to ¾-inch plug valves. These tie together downstream of the > plug valves where there is a ½-inch plug bleed valve at PT-16291. PT-16291 > sends a signal to local mounted PI-16291A for local indication of furnace > firebox pressure and sends a signal to PI-16291 in the DCS to indicate > furnace firebox pressure. The furnace has two 1½-inch connections that > reduce down to 1 inch for temperature indications. One is below the > convection coil and one above it. The lower connection has with TE-16167 and > TI-16167 to indicate temperature in the DCS. The upper connection has with > TE-16166 and TI-16166 to indicate temperature in the DCS. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> Two 2-inch connections in the firebox are supplied by a > single 2-inch 150-lb. steam line with a 2-inch plug valve. The plug valve is > mounted at least 50 feet from the furnace so that it can be accessible in an > emergency situation. Upstream of the 2-inch plug valve on this line, is a > ¾-inch connection with a ¾-inch bleed valve and steam trap with ¾-inch block > valves and a ¾-inch bleed valve around the trap. This ¾-inch line is routed > to the and is designed to keep the 150-lb. steam line hot and free of > liquid. The 150-lb. steam line is used for firebox purging or snuffing of > any firebox emergency event such as liquid in Fuel Gas, furnace tube > rupture, etc. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> The pilot gas system consists of a 2-inch natural gas > supply to a 2-inch plug valve that is mounted at least 50 feet from the > furnace so that it can be accessible in an emergency situation. Downstream > of the plug valve is a ¾-inch bleed valve and a 1-inch bypass line with a > block valve that is car sealed closed. The 2-inch natural gas line reduces > to 1 inch and there is a 1-inch block valve, a Shutdown Valve, XV-16251A, a > ¾-inch bleed valve, and a Shutdown Valve, XV-16251B. Between the shutdown > valves is a ¾-inch connection for Shutdown Valve, XV-16251C that vents to a > safe location. The signal to control the shutdown and vent valves is routed > through a 3-way Solenoid Valve, XY-16251. Downstream of the second Shutdown > Valve, XV-16251B is a 1-inch block valve and connection for the bypass > around the shutdown valves. Next, there is a ¾-inch bleed valve, a 1-inch > block valve, a Y strainer with a ½-inch bleed valve, a ¾-inch bleed valve > and PCV-16164, which controls the backpressure on the pilot gas to the > burners. Downstream of PCV-16164 is a 1-inch block valve. There is a 1-inch > bypass with a 1-inch globe valve around PCV-16164. Also downstream of > PCV-16164 is a ¾-inch connection for a local mounted PI-16252 for local > indication of the pilot gas pressure. On the same connection is PT-16165 > that sends a signal to PI-16165 in the DCS to indicate the pilot gas > pressure. It also gives a Low Pressure alarm when the pressure falls below a > predetermined set point. A little further downstream, there is another > ¾-inch connection with PT-16325 that sends a signal to the PI-16325 in the > DCS. </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> The pilot gas will be shutdown by PT-16325 in the DCS > when the pilot gas pressure drops below a predetermined set point. This will > trip Solenoid Valve, XY-16251, which will shut off the air signal to and > close Shutdown Valve, XV-16251A and Shutdown Valve, XV-16251B and open > Shutdown Valve, XV-16251C, which vents to a safe location. This shutdown can > also be initiated by activating the plant ESD HS-16023 or the heater ESD > HS-16174 located in the control room or by activating the heater ESD > HS-16173 located in the field. HS-16331 bypasses the pilot gas shutdown > system for startup. (Refer to the Cause and Effects Chart for more > information). </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> Downstream of the pilot gas control system, the 1-inch > piping splits and feeds the 4 individual pilots through ¾-inch block valves > and flex hoses. Each pilot has it own individual ignitor. sends a signal to > the , ; HS-16295 sends a signal to the Transformer, XY-16296A which in turn > activates Igniter, XY-16296B; <fo:inline font-weight="bold"/>sends a signal > to the , ; sends a signal to the , ; each controlling one ignitor.</fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> The consists of an insulated 3-inch gas supply to a > 3-inch plug valve that is mounted at least 50 feet from the furnace so that > it can be accessible in an emergency situation. Downstream of the plug valve > is a ¾-inch bleed valve and a ¾-inch bypass line with a block valve that is > car sealed closed. Downstream of the ¾-inch bleed valve is FE-16159 and > FT-16159 that send signals to FIC-16159 to indicate furnace Fuel Gas flow in > the DCS. FIC-16159 is linked to TIC-16170, which gets a signal from TE-16170 > located on H-1602 outlet piping. TIC-16170 controls the Fuel Gas to H-1602 > by sending a signal to FY-16159 that sends a signal to the Fuel Gas > FV-16159. The has a 3-inch block valve, Shutdown Valve, XV-16160A, ¾-inch > bleed valve and Shutdown Valve, XV-16160B. Between Shutdown Valve, > XV-16160A, XV-16160B is a ¾-inch bleed valve and a ¾-inch take off for > Shutdown Valve, XV-16160C that vents to a safe location. The signal to > control the shutdown and vent valves is routed through 3-way Solenoid Valve, > XY-16160. Downstream of the second Shutdown Valve, XV-16160B is a 3-inch > block valve and tie in for the bypass around the Shutdown Valve, XV-16160A, > XV-16160B, XV-16160C. Next, there is a 3-inch block valve, a ¾-inch bleed > valve, then the piping reduces to 1½ inch where FV-16159 controls Fuel Gas > flow to the burners. There is a 3-inch bypass line with a 3-inch globe valve > to bypass FV-16159. Downstream of FV-16159 the piping increases to 3 inches > and there is a 3-inch block valve. Downstream of the outlet block valve on > FV-16159 is a ¾-inch connection for a local mounted PI-16162 for local > indication of the Fuel Gas pressure. On the same connection is PT-16161 > which sends a signal to PI-16161 in the DCS where it gives a read out of the > Fuel Gas pressure. No alarms shown on P &amp; IDs???? A little further > downstream, there is another ¾-inch connection with PT-16163 that sends a > signal to PI-16163 in the DCS to indicate Fuel Gas pressure to H-1602 and > initiate a High High Fuel Gas pressure shutdown and Low Low Pressure > shutdown when the pressure rises above or falls below a predetermined set > point. This will trip Solenoid Valve, XY-16160, which will shut off the air > signal to and close Shutdown Valve, XV-16160A and Shutdown Valve, XV-16160B > and open Shutdown Valve, XV-16160C, which vents to a safe location. This > shutdown can also be initiated by activating the plant ESD HS-16023 or the > heater ESD HS-16174 located in the control room or by activating the heater > ESD HS-16173 located in the field. HS-16332 bypasses the Fuel Gas shutdown > system for startup. (Refer to the Cause and Effects Chart for more > information). </fo:block> > <fo:block font-size="10pt" text-indent="0em" space-before="0.6em" > space-after="0.6em"> The Fractionator Bottoms flows into the tubes in the > convection section where it picks up heat from the hot convection gases > traveling up the furnace from the firebox out the stack. After flowing > through all the convection tubes, the Fractionator Bottoms exits the > convection section through 5-inch external crossover piping and then > increases to 6 inches and enters the tubes in the furnace radiant section. > While flowing through the radiant tubes, the Fractionator Bottoms picks up > the heat necessary for partial vaporization to flow up the Fractionator, > T-1601. It does this by absorbing radiant heat given off by the combustion > of Fuel Gas inside the firebox of the furnace. The heated Fractionator > Bottoms exits H-1602 in two 6-inch outlet lines. One 6-inch line has a > 1½-inch connection with and TE-16168 that sends a signal to TI-16168 in the > DCS giving a readout of H-1602 pass outlet temperature. The other line has a > 1½-inch connection with and TE-16169 that sends a signal to TI-16169 in the > DCS giving a readout of H-1602 pass outlet temperature. The two 6-inch lines > increase to 12 inches and combine into a single 12-inch pipe. On the 12-inch > outlet piping is a 1½-inch flanged connection with and TE-16170 that sends a > signal to TIC-16170 in the DCS to indicate the combined H-1602 outlet > temperature. TIC-16170 is linked to FIC-16159 to control the Fuel Gas to > H-1602 by sending a signal to the Fuel Gas FV-16159. TIC-16170 also gives a > High Temperature alarm in the DCS when the temperature rises above a > predetermined set point. There is a ¾-inch bleed valve on H-1602 outlet > piping and another ¾-inch bleed valve on the 12-inch piping prior to > entering T-1601 through a 12-inch connection below tray 35. The hot material > enters T-1602 where the hot vapors rise up and liquid falls to the > bottom.</fo:block> > </fo:block> > </fo:block> > </fo:block> > </fo:block> > </fo:flow> > </fo:page-sequence> ></fo:root> View Attachment As Raw

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