WO2019084978A1 - Système de production de fluorure de vinylidène - Google Patents

Système de production de fluorure de vinylidène Download PDF

Info

Publication number
WO2019084978A1
WO2019084978A1 PCT/CN2017/109715 CN2017109715W WO2019084978A1 WO 2019084978 A1 WO2019084978 A1 WO 2019084978A1 CN 2017109715 W CN2017109715 W CN 2017109715W WO 2019084978 A1 WO2019084978 A1 WO 2019084978A1
Authority
WO
WIPO (PCT)
Prior art keywords
cracking furnace
vinylidene fluoride
production system
raw material
condenser
Prior art date
Application number
PCT/CN2017/109715
Other languages
English (en)
Chinese (zh)
Inventor
金飞
邹建良
Original Assignee
常熟三爱富振氟新材料有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 常熟三爱富振氟新材料有限公司 filed Critical 常熟三爱富振氟新材料有限公司
Publication of WO2019084978A1 publication Critical patent/WO2019084978A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/25—Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons

Definitions

  • the present invention relates to a production system of vinylidene fluoride.
  • the technical solution of the present invention is a vinylidene fluoride production system, comprising a difluorochloroethane raw material storage tank, wherein the difluorochloroethane raw material storage tank is connected to a primary cracking furnace,
  • the primary cracking furnace is connected to a secondary cracking furnace, the secondary cracking furnace is connected to a reaction buffer, the reaction buffer is connected to a compressor, and the compressor is connected to a condenser, and the condenser is connected to the recovery device and the water washing tower, respectively.
  • the recovery device is connected to a drying device, and the drying device is connected to a primary cracking furnace, and the water washing tower is connected to a hydrochloric acid tank and a vinylidene fluoride collector, respectively.
  • the primary cracking furnace is an air tube cracking furnace with a heating range of 200-500 °C.
  • the secondary cracking furnace is an air tube cracking furnace with a temperature rising range of 600 to 1200 °C.
  • the utility model has the advantages and beneficial effects that a production system of vinylidene fluoride is provided, and secondary cracking is adopted in the cracking process, and the cracking is more sufficient.
  • a production system of vinylidene fluoride is provided, and secondary cracking is adopted in the cracking process, and the cracking is more sufficient.
  • the difluorochloroethane entering the recovery unit it is beneficial to participate in the cracking reaction, so that the reaction is more sufficient, the waste of raw materials and the pollution to the environment are reduced, and the production efficiency is effectively improved.
  • Figure 1 is a schematic illustration of the invention.
  • a vinylidene fluoride production system comprising a difluorochloroethane raw material storage tank, the difluorochloroethane raw material storage tank is connected to a primary cracking furnace, and the primary cracking furnace is connected to a secondary cracking furnace.
  • the secondary cracking furnace is connected to a reaction buffer, the reaction buffer is connected to a compressor, and the compressor is connected to a condenser, and the condenser is connected to a recovery device and a water washing tower, respectively, and the recovery device is connected to a drying device, the drying
  • the apparatus is connected to a primary cracking furnace, which is connected to a hydrochloric acid tank and a vinylidene fluoride collector, respectively.
  • the primary cracking furnace is an air tube cracking furnace with a heating range of 200-500 °C.
  • the secondary cracking furnace is an air tube cracking furnace with a temperature rising range of 600 to 1200 °C.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente invention concerne un système de production de fluorure de vinylidène comprenant une boîte de stockage de matière première de difluoromono-chloroéthane. La boîte de stockage de matière première de difluoromono-chloroéthane est reliée à un pyrolyseur de premier étage ; le pyrolyseur de premier étage est relié à un pyrolyseur de deuxième étage ; le pyrolyseur de deuxième étage est relié à un tampon de réaction ; le tampon de réaction est relié à un compresseur ; le compresseur est relié à un condenseur ; le condenseur est relié séparément à un dispositif de récupération et à un épurateur d'eau ; le dispositif de récupération est relié à un dispositif de séchage ; le dispositif de séchage est relié au pyrolyseur de premier étage ; l'épurateur d'eau est relié séparément à un réservoir d'acide chlorhydrique et à un collecteur de fluorure de vinylidène. Le système de production permet une réaction pyrolytique plus complète, et peut améliorer efficacement le rendement de production.
PCT/CN2017/109715 2017-11-06 2017-11-07 Système de production de fluorure de vinylidène WO2019084978A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711076863.7 2017-11-06
CN201711076863.7A CN107652161A (zh) 2017-11-06 2017-11-06 一种偏氟乙烯的生产系统

Publications (1)

Publication Number Publication Date
WO2019084978A1 true WO2019084978A1 (fr) 2019-05-09

Family

ID=61119813

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/109715 WO2019084978A1 (fr) 2017-11-06 2017-11-07 Système de production de fluorure de vinylidène

Country Status (2)

Country Link
CN (1) CN107652161A (fr)
WO (1) WO2019084978A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177271A (en) * 1992-04-30 1993-01-05 Elf Atochem North America, Inc. Production of vinylidene fluoride
CN1428320A (zh) * 2001-12-25 2003-07-09 中昊晨光化工研究院 二氟一氯乙烷裂解生产偏氟乙烯的方法
CN101704709A (zh) * 2009-10-26 2010-05-12 山东东岳神舟新材料有限公司 一种高纯偏氟乙烯单体的生产方法
CN103483654A (zh) * 2013-09-22 2014-01-01 苏州市湘园特种精细化工有限公司 一种回收再利用阻燃橡胶的再加工方法
CN103664509A (zh) * 2013-12-18 2014-03-26 常熟振氟新材料有限公司 偏氟乙烯的生产系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407711A1 (fr) * 1989-06-28 1991-01-16 Atochem North America, Inc. Procédé catalytique pour la déshydrohalogénation de 1-chloro-1,1 difluoréthane
CN101003460B (zh) * 2006-12-29 2010-09-15 山东东岳神舟新材料有限公司 用R142b裂解制备偏氟乙烯的方法和设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5177271A (en) * 1992-04-30 1993-01-05 Elf Atochem North America, Inc. Production of vinylidene fluoride
CN1428320A (zh) * 2001-12-25 2003-07-09 中昊晨光化工研究院 二氟一氯乙烷裂解生产偏氟乙烯的方法
CN101704709A (zh) * 2009-10-26 2010-05-12 山东东岳神舟新材料有限公司 一种高纯偏氟乙烯单体的生产方法
CN103483654A (zh) * 2013-09-22 2014-01-01 苏州市湘园特种精细化工有限公司 一种回收再利用阻燃橡胶的再加工方法
CN103664509A (zh) * 2013-12-18 2014-03-26 常熟振氟新材料有限公司 偏氟乙烯的生产系统

Also Published As

Publication number Publication date
CN107652161A (zh) 2018-02-02

Similar Documents

Publication Publication Date Title
CN204114893U (zh) 锅炉烟气余热回收利用装置
WO2019084978A1 (fr) Système de production de fluorure de vinylidène
CN202546700U (zh) 玻璃退火窑余热资源利用系统
CN204385147U (zh) 生物质燃气冷却系统
CN201762361U (zh) 一种氧气顶吹转炉烟气净化与余热回收系统装置
CN204211686U (zh) 带热能回收的炭化炉
CN204714529U (zh) 一种一体活化炉
CN203683476U (zh) 热风加热式生物质裂解机
CN209696311U (zh) 一种新型稀硫酸浓缩装置
CN204261536U (zh) 一种氯化氢合成尾气循环吸收系统
CN208145700U (zh) 一种轻质碳酸钙碳化塔的废气回收装置
WO2019084977A1 (fr) Procédé de production de monomère de fluorure de vinylidène
CN203364629U (zh) 用于回收利用氧化铝厂回转窑烟气余热的系统
CN205014377U (zh) 一种热能循环利用系统
CN104058466B (zh) 一种脱除绿矾中结晶水的方法
CN204255047U (zh) 一种锅炉尾气余热回收利用于人造革烘干线系统
CN204170606U (zh) 酸解尾气文丘里喷淋吸收器
CN206989731U (zh) 一种萘法苯酐预冷凝器装置
CN204007183U (zh) 一种酸化焙烧制酸沸腾炉出口烟气的余热回收利用装置
CN213172199U (zh) 一种生物质热解气净化装置
CN203514875U (zh) 废渣处理复合干燥房
CN212902692U (zh) 一种沸腾炉余热回收装置
CN211812317U (zh) 压缩风电热净化装置
CN203120911U (zh) 味精生产中好氧微生物发酵系统压缩空气节能降温的装置
CN209714324U (zh) 一种新型稀硫酸浓缩提纯装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17930237

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17930237

Country of ref document: EP

Kind code of ref document: A1