1、精品文檔工藝說明IROCESS DESCRIITION1ISSUE FOR CONSTRUCTIONGao CQYin YG2010-04-15版次 精品文檔說明DESCRIITION設計IRE D校對CHK D審核API D審定AUTH D日期DATETUUH-JT w dejt MctpT ON RrTNEMUCOD RSn Fo Ypoc Ro QXUL CSLU YNA -QtJORP R EMOISUO UE-ROF Dtsu yYNOSITNEMUOD Q_zn- 。制復或露披得不，可許面書的主業或司公限有程工利沃盛美港云連經未。目項該于用僅件文本EIAD期日E YAN-S字簽EN

2、ILPICRrD業專目錄Table of Contents1. 概述 GENERAL 32. 流程說明 PROCESS DESCRIPTION 33. 設計規范 Code and Specificati on for Desig n 41概述 GENERAL1.1. 本項目工藝設計是在業主的輸入文件及業主相關意見基礎上開展的。The process desig n is based on clie nt s in put docume nt and clie nt s releva nt comme nts.1.2. 設計中，嚴格遵守現行的國家政策、法規和有關環保、安全規范。During th

3、e design, all applicable policies, rules and regulations relating to safety and environmental protecti on published by the gover nment had bee n strictly followed.1.3. 項目業主 Project Own er唐山考伯斯開灤炭素化工有限公司（簡稱 TKK）Tangshan Koppers Kailuan Carbon Chemical Co. Ltd.（ TKK）1.4. 項目名稱 Project Name焦油蒸餾工段生產線改造項目

4、Tar Distillatio n Revamp ing Project1.5. 生產方案和處理能力Product Scheme and Capacity焦油蒸餾工段生產線改造項目是為30萬噸/年焦油加工工程提高瀝青QI指標，建于考伯斯開灤炭素化工有限公司廠內焦油蒸餾裝置區內。Tar Distillation Revamping Project is to improve pitch QI for 300,000t/a tar processing project. The project is located tar distillati on site.年操作時間 The annual o

5、perating time: 7920 hours2. 流程說明 PROCESS DESCRIPTION本裝置主要由焦油加熱爐、瀝青預處理塔、瀝青處理塔、瀝青塔循環泵及塔頂冷凝器組成。This pla nt is con sist of pitch colu mn heater, pitch primary treatme nt vessel, pitch sec on dary treatme nt vessel, treatme nt vessel circulati ng pump, and overhead conden ser.來自焦油塔底泵的拔頂焦油通過焦油進料泵P84111A/B

6、加壓送往進料預熱器E84122B和E84122A的殼程，通過吸收處理的拔頂焦油的熱量，然后被送往瀝青塔加熱爐F84103循環。新鮮物料通過進入瀝青塔加熱爐循環泵進口管線與循環物料進行混合，通過瀝青塔加熱爐加熱。從加熱爐循環物料溢流進入瀝青處理塔T84105和T84106，瀝青處理塔能保證停留時間在10162min內。每個塔在正常流量（29,813kg/h）時，停留時間保持在81min。T84106塔底物料處理后的拔頂焦油經瀝青塔循環泵P84115A/B，由T84106液位變送器控制進入雜酚油塔。瀝青處理塔塔頂產生的含有輕油的氣體和不凝氣進入塔頂冷凝器E84123冷卻，液相進入凝液回收罐V841

7、11，通過LT84133控制進入原中間罐組。氣體進入氣液分離器V84112和V84114進行分離后作為瀝青塔加熱爐及原有加熱爐的燃料，重新回收利用。事故氣體及安全閥泄放氣體擬進入待建火炬系統。Feed for the treatme nt process is topped tar draw n from the discharge of theTar Colu mn ReboilerPumps. This material is delivered to Treatment Feed Pumps P84111A/B, which boost the pressure to that requ

8、ired for pitch yield improveme nt.精品文檔The topped tar from bottom of tar column flows the shell sides of Treatment Feed Preheaters E84122B the n E84122A, recoveri ng heat from the treated topped tar leav ing the treatme nt process.The topped tar feed then flows into the Pitch Column Heater F84103 cir

9、culating loop.Pitch Heater Circulating Pumps P84113A/B deliver a very high throughput of topped tar through thePitch Column Heater F84103 and circulate this material from the discharge of the heater back through its sucti on .It is importa nt to note the heater throughput does not cha nge, regardles

10、s of the qua ntity of treatme nt process feed.Fresh feed mixed into the circulating flow at the circulating pump suction. This incoming feed tends to cool the circulating fluid, forcing additional heater firing.The treatme nt process feed overflows the Pitch Colum n Heater F84103 circulati ng loop a

11、nd flows tothe treatme nt vessel that can be adjusted for a varietyof reside nee times from about10mi nutesthrough to 162 minutes. Each vessel provides sufficient capacityfor 81 minutes residence time at theno rmal process feed rate (29,813kg/h).The treatme nt process product is treated topped tar w

12、hich is from the Treatme nt Vessel Circulat ingPumps P84115A/B discharge. It flows to the CreosoteColumn as feed under controlofthelevelcon troller at Pitch Sec on dary Treatme nt Vessel T84106.The treatme nt vessels T84105 and T84106 produce an overhead stream con sisti ng of light oil vaporand non

13、-conden sable gases.This stream flows to conden ser E84123 where the gases are cooledand the vapors are cooled and conden sed.The condensate flows to Condensate Receiver V84111 where the condensateis collected beforebeing blow n to storage un der level con trol LT84133.The gases separate from the li

14、quid in E84123 and are ven ted through separator V84112 to flow ing to the F84103 and exist ing heater as fuel.Relief valve discharge and in cide nt gas dur ing producti on flow to flare system that will be built.3. 設計規范Code and Specificati on for Desig n石油化工企業設計防火規范GB50160-2008Fire prevention code

15、of petrochemical enterprise design GB50160-2008工業金屬管道設計規范GB50316-2000( 2008年版)Desig n code for in dustrial metallic pipi ng GB50316-2000( 2008 Revisi on )石油化工企業燃料氣系統和可燃氣體排放系統設計規范SH3009-2001Specificationsfor design of fuel gas system and combustible gas emission system inpetrochemical enterprises SH3009-2001石油化工企業可燃氣體和有毒氣體檢測報警設計規范SH3063-1999Specificationsfor design of combustible gas and toxic gas detection and alarm forpetrochemical industry SH3009-2001石油化工靜電接地設計規范SH3097-2000Code for the design of static electricity grounding for petrochemical industry SH309