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    • 1. 发明申请
    • APPARATUS FOR PREPARING VINYL CHLORIDE BY PYROLYSIS OF 1,2-DICHLOROETHANE AND METHOD OF PREPARING VINYL CHLORIDE USING THE SAME
    • 通过1,2-二氯乙烷的热解制备乙烯基氯化物的方法和使用其制备氯乙烯的方法
    • WO2007058472A9
    • 2011-04-14
    • PCT/KR2006004811
    • 2006-11-15
    • LG CHEMICAL LTDKIM SUNG-WONKIM YE-HOONJO DONGHYUNBAE JONGWOOKOH SANG-SEUNGLEE SOONYEELNAM GIMOON
    • KIM SUNG-WONKIM YE-HOONJO DONGHYUNBAE JONGWOOKOH SANG-SEUNGLEE SOONYEELNAM GIMOON
    • C07C17/00
    • C07C17/25C07C21/06
    • Provided are an apparatus for preparing vinyl chloride including: a pyrolysis reactor in which 1,2-dichloroethane and inert solid particles are mixed to generate vinyl chloride and hydrochloric acid; a first separator receiving the vinyl chloride, hydrochloric acid, and inert solid particles from the pyrolysis reactor and separating the vinyl chloride and hydrochloric acid from the inert solid particles; and a regeneration reactor receiving the separated inert solid particles from the first separator and regenerating the inert solid particles by burning the inert solid particles in a high temperature to remove coke deposited on the inert solid particles, wherein the regeneration reactor is connected to the pyrolysis reactor to resupply the regenerated inert solid particles to the pyrolysis reactor, and a method of preparing vinyl chloride using the same. According to the apparatus and the method, the conversion rate can be improved, the productivity can be improved by effectively preventing interruption due to coke deposition, and the thermal efficiency can be enhanced by reusing thermal energy of sold particles heat treated at a high temperature in the regeneration reactor in the pyrolysis.
    • 本发明提供一种氯乙烯的制备装置,其特征在于,包括热解反应器,其中1,2-二氯乙烷和惰性固体颗粒混合以产生氯乙烯和盐酸; 第一分离器,其接收来自热解反应器的氯乙烯,盐酸和惰性固体颗粒,并将氯乙烯和盐酸与惰性固体颗粒分离; 以及再生反应器,其从第一分离器接收分离的惰性固体颗粒,并通过在高温下燃烧惰性固体颗粒来再生惰性固体颗粒,以除去沉积在惰性固体颗粒上的焦炭,其中再生反应器连接到热解反应器 将再生的惰性固体颗粒再供给到热解反应器中,以及使用其制备氯乙烯的方法。 根据该装置和方法,可以提高转化率,通过有效地防止焦炭沉积导致的中断,可以提高生产率,并且可以通过重新利用在高温下热处理的销售颗粒的热能来提高热效率 热解中的再生反应器。
    • 2. 发明申请
    • APPARATUS FOR PREPARING VINYL CHLORIDE BY PYROLYSIS OF 1,2-DICHLOROETHANE AND METHOD OF PREPARING VINYL CHLORIDE USING THE SAME
    • 通过1,2-二氯乙烷的热解制备乙烯基氯化物的方法和使用其制备氯乙烯的方法
    • WO2007058472A1
    • 2007-05-24
    • PCT/KR2006/004811
    • 2006-11-15
    • LG CHEM, LTD.KIM, Sung-WonKIM, Ye-HoonJO, DongHyunBAE, JongwookOH, Sang-SeungLEE, SoonyeelNAM, Gimoon
    • KIM, Sung-WonKIM, Ye-HoonJO, DongHyunBAE, JongwookOH, Sang-SeungLEE, SoonyeelNAM, Gimoon
    • C07C17/00
    • C07C17/25C07C21/06
    • Provided are an apparatus for preparing vinyl chloride including: a pyrolysis reactor in which 1,2-dichloroethane and inert solid particles are mixed to generate vinyl chloride and hydrochloric acid; a first separator receiving the vinyl chloride, hydrochloric acid, and inert solid particles from the pyrolysis reactor and separating the vinyl chloride and hydrochloric acid from the inert solid particles; and a regeneration reactor receiving the separated inert solid particles from the first separator and regenerating the inert solid particles by burning the inert solid particles in a high temperature to remove coke deposited on the inert solid particles, wherein the regeneration reactor is connected to the pyrolysis reactor to resupply the regenerated inert solid particles to the pyrolysis reactor, and a method of preparing vinyl chloride using the same. According to the apparatus and the method, the conversion rate can be improved, the productivity can be improved by effectively preventing interruption due to coke deposition, and the thermal efficiency can be enhanced by reusing thermal energy of sold particles heat treated at a high temperature in the regeneration reactor in the pyrolysis.
    • 本发明提供一种氯乙烯的制备装置,其特征在于,包括热解反应器,其中1,2-二氯乙烷和惰性固体颗粒混合以产生氯乙烯和盐酸; 第一分离器,其接收来自热解反应器的氯乙烯,盐酸和惰性固体颗粒,并将氯乙烯和盐酸与惰性固体颗粒分离; 以及再生反应器,其从第一分离器接收分离的惰性固体颗粒,并通过在高温下燃烧惰性固体颗粒来再生惰性固体颗粒,以除去沉积在惰性固体颗粒上的焦炭,其中再生反应器连接到热解反应器 将再生的惰性固体颗粒再供给到热解反应器中,以及使用其制备氯乙烯的方法。 根据该装置和方法,可以提高转化率,通过有效地防止焦炭沉积导致的中断,可以提高生产率,并且可以通过重新利用在高温下热处理的销售颗粒的热能来提高热效率 热解中的再生反应器。
    • 3. 发明申请
    • METHOD AND APPARATUS FOR PREPARING VINYL CHLORIDE USING ETHANE AND 1,2-DICHLOROETHANE
    • 使用乙二胺和1,2-二氯乙烷制备氯乙烯的方法和装置
    • WO2007058471A1
    • 2007-05-24
    • PCT/KR2006/004810
    • 2006-11-15
    • LG CHEM, LTD.KIM, Sung-WonJO, DongHyunKIM, Ye-HoonKIM, JuyoulLEE, SoonyeelOH, ByungchulHA, Seung-BackNAM, GimoonYOUN, Ju-YoungOH, Sang-SeungBAE, Jongwook
    • KIM, Sung-WonJO, DongHyunKIM, Ye-HoonKIM, JuyoulLEE, SoonyeelOH, ByungchulHA, Seung-BackNAM, GimoonYOUN, Ju-YoungOH, Sang-SeungBAE, Jongwook
    • C07C17/02
    • C07C21/06B01J8/0055B01J8/1827B01J8/24B01J8/26B01J2208/00176B01J2208/00203C07C17/10C07C17/25C07C19/045
    • Provided are a method of preparing vinyl chloride including: supplying chlorine gas and ethane to an ethane chlorination reaction region disposed in a lower portion of a pyrolysis reactor in which solid particles exist; performing an ethane chlorination reaction by contacting the chlorine gas and ethane with solid particles such that a product of the ethane chlorination reaction and the solid particles rise toward an upper portion of the pyrolysis reactor at the same time, and depositing coke produced during the ethane chlorination reaction on the solid particles; supplying 1,2-dichloroethane to a pyrolysis reaction region disposed in an upper portion of the pyrolysis reactor; performing a pyrolysis reaction in the pyrolysis reaction region by contacting a product of the ethane chlorination reaction and 1,2-dichloroethane with the solid particles such that the product of the ethane chlorination reaction , the 1,2-dichloroethane and the solid particles rise up at the same time, and depositing coke produced during the pyrolysis reaction on the solid particles; regenerating the solid particles by burning coke deposited on the solid particles in a regeneration reactor; and resupplying the solid particles that collect heat generated by burning coke to the pyrolysis reactor, and an apparatus for preparing the same. When vinyl chloride monomer is prepared using the above-described method, yield is improved, and coke production is inhibited.
    • 提供一种制备氯乙烯的方法,包括:将氯气和乙烷供应到设置在其中存在固体颗粒的热解反应器的下部的乙烷氯化反应区; 通过使氯气和乙烷与固体颗粒接触使乙烷氯化反应和固体颗粒的产物同时向上升到热解反应器的上部,同时沉积在乙烷氯化过程中产生的焦炭,进行乙烷氯化反应 对固体颗粒的反应; 向设置在热解反应器上部的热解反应区域供应1,2-二氯乙烷; 通过使乙烷氯化反应和1,2-二氯乙烷的产物与固体颗粒接触,使乙烷氯化反应,1,2-二氯乙烷和固体颗粒的产物上升,从而在热解反应区域内进行热解反应 同时将在热解反应过程中产生的焦炭沉积在固体颗粒上; 通过在再生反应器中燃烧沉积在固体颗粒上的焦炭来再生固体颗粒; 并将从焦炭产生的热量的固体颗粒再供给至热解反应器,以及其制备装置。 当使用上述方法制备氯乙烯单体时,提高了收率,抑制了焦炭生成。