KR900018334A - Fluidized Bed Catalytic Cracking Method and Apparatus for Hydrocarbon Feedstock Using Mixture of Separable Catalyst and Adsorbent Particles - Google Patents

Fluidized Bed Catalytic Cracking Method and Apparatus for Hydrocarbon Feedstock Using Mixture of Separable Catalyst and Adsorbent Particles Download PDF

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KR900018334A
KR900018334A KR1019900006927A KR900006927A KR900018334A KR 900018334 A KR900018334 A KR 900018334A KR 1019900006927 A KR1019900006927 A KR 1019900006927A KR 900006927 A KR900006927 A KR 900006927A KR 900018334 A KR900018334 A KR 900018334A
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particles
catalyst
adsorbent
mixture
coke
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KR1019900006927A
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Korean (ko)
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엔. 웨인버그 해롤드
에프. 레이터맨 마이클
제이. 레이건 윌리암
베네딕트 존슨 더블유.
케이. 스페로넬로 배리
지. 쉐르먼 래리
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로버트 에스. 알렉산더
엥겔하드 코포레이션
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Publication of KR900018334A publication Critical patent/KR900018334A/en

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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G11/00Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/14Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts
    • C10G11/18Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils with preheated moving solid catalysts according to the "fluidised-bed" technique

Abstract

내용 없음No content

Description

분리가능한 촉매와 흡착매 입자들의 혼합물을 사용하는 탄화수소 원료의 유동층 접촉 분해법 및 장치Fluidized Bed Catalytic Cracking Method and Apparatus for Hydrocarbon Feedstock Using Mixture of Separable Catalyst and Adsorbent Particles

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 재생의 제1단계가 이송관에서 수행되고, 흡착매와 촉매의 분리가 유동층식 재생기의 상부에 장치된 사이클론 분리기에서 일어나는 본 발명에 의한 실시태양의 개략도임. 재2도 및 3도는 각각 재생의 제1단계가 제2재생기의 외부에 위치해서 불안전하게 연소된 흡착매와 촉매 입자들의 분리들 위해 설치된 사이클론 버너에서 수행되는 본 발명에 의한 또 하나의 실시태양의 정면도 및 평면도를 개략적으로 도시한 것임.1 is a schematic diagram of an embodiment according to the present invention in which a first stage of regeneration is carried out in a transfer tube, and separation of adsorbent and catalyst occurs in a cyclone separator mounted on top of a fluidized bed regenerator. Figures 2 and 3 respectively show another embodiment of the invention in which a first stage of regeneration is carried out in a cyclone burner which is located outside of the second regenerator and installed for the separation of the catalyst particles and catalysts which are burned unsafely. The front view and the top view are shown schematically.

Claims (13)

(a) 불순물이 함유된 탄화수소 오일 원료를 상승관 반응기 중의 제1반응 대역에서, 상기 오일 원료를 증발시키기 위한 충분한 양의 고온에서 새로이 재생시킨 비접촉 흡착매와 접촉시켜서 상기 원료중의 아스팔텐, 중질탄화수소 및 코크스를 포함하는 불순물을 상기 흡착매 입자 상에 부착시키는 공정, (b) 증발되어 생성된 오일 원료와 불순물이 부착된 흡착매 입자들의 혼합물을 상기와 동일한 상승과 반응기 중의 제2반응 대역으로 통과시키고, 고온에서 새로이 재생시킨 분해용 촉매의 입자들을 상기 증발된 원료의 소정 부위와 접촉해서 분해시킬수 있는 양으로 제2반응 대역에 첨가함으로써 상기 촉매 입자상에 코크스를 부착시키고 분해된 오일 증기를 생성하며, 상기 촉매 입자와 흡착매 입자가 이들 사이에 물리적인 분리가 가능하도록 서로 다른 입도 및(또는)밀도를 갖는 공정, (c) 분해되어 생성된 오일 증기, 코크스 및 불순물이 부착된 흡착매 입자와, 코크스는 부착되나 불순물은 부착되지 않은 분해용 촉매 입자들의 혼합물을 분리 대역으로 배출시켜 흡착매 입자와 촉매입자의 혼합물로부터 오일 증기를 분리시키고, 이 분리된 입자들의 혼합물을 가스로 스트립핑 시켜 상기 혼합물을 오일 증기로부터 분리시키기 전 또는 후에 연행된 탄화수소를 제거하는 공정. (d) 코크스와 불순물이 부착된 상기 스트립핑된 흡착매와 스트립핑된 촉매들의 혼합물을 연소 대역으로 통과시켜 코크스를 부분적으로 산화시킴으로써 부분적으로 재생된 흡착매 입자의 부분적으로 재생된 촉매 입자들의 혼합물을 제공하는 공정. (e) 부분적으로 재생된 촉매 입자중 적어도 일부를 부분적으로 재생된 흡착매로부터 분리시키는 공정, (f) 상기 분리된 촉매 입자를 완전히 재생시키는 공정, (g) 상기 분리된 흡착매 입자를 별도로 완전히 재생시키는 공정과, (h) 공정 (g)에서 얻은 새로이 재생시킨 흡착매를, 공정 (f)에서 얻은 새로인 재생시킨 촉매를 상기 공정 (a) 에서의 제2반응 대역으로 통과시키면서 상기 제1반응 대역으로 통과시키는 공정으로 이루어진 불순물을 함유하는 탄화수소 오일의 접촉 분해법.(a) a hydrocarbon oil raw material containing impurities is brought into contact with a freshly regenerated non-contact adsorbent at a high temperature sufficient to evaporate the oil raw material in the first reaction zone in the riser reactor, thereby making the asphaltene and heavy in the raw material Adhering impurities including hydrocarbons and coke onto the adsorbent particles, (b) evaporating a mixture of the raw material and the adsorbent particles adhering impurities to the same rise and second reaction zone in the reactor Coke is attached to the catalyst particles by adding the particles of the decomposition catalyst newly regenerated at a high temperature to be decomposed by contacting a predetermined portion of the evaporated raw material and generating decomposed oil vapor. The catalyst particles and the adsorbent particles may be different from each other to allow physical separation therebetween. A process having a particle size and / or density, (c) a mixture of cracked oil vapor, coke, and adsorbent particles with impurities, and catalyst particles for decomposition with coke but no impurities attached to the separation zone. Exhausting to separate oil vapor from the mixture of adsorbent particles and catalyst particles, and stripping the mixture of separated particles with a gas to remove entrained hydrocarbons before or after separating the mixture from oil vapor. (d) a mixture of partially regenerated catalyst particles of partially regenerated adsorbent particles by passing a mixture of said stripped adsorbent and stripped catalysts to which coke and impurities have adhered to a combustion zone to partially oxidize coke. Process to provide. (e) separating at least some of the partially regenerated catalyst particles from the partially regenerated adsorbent, (f) completely regenerating the separated catalyst particles, (g) completely separating the separated adsorbent particles separately The first regenerated catalyst (h) and the newly regenerated adsorbent obtained in step (g) are passed through the second regenerated catalyst obtained in step (f) to the second reaction zone in step (a). Catalytic cracking of hydrocarbon oil containing an impurity consisting of a step of passing through a reaction zone. 제1항에 있어서, 상기 흡착매 입자가 상기 촉매입자보다 더 미세한 입도를 갖는 것을 특징으로 하는 방법.The method of claim 1, wherein the adsorbent particles have a finer particle size than the catalyst particles. 제1항에 있어서, 상기 촉매가 제올라이트인 것을 특징으로 하는 방법.The method of claim 1 wherein the catalyst is zeolite. 제3항에 있어서, 상기 상승관 반응기가 거의 수직인 것을 특징으로 하는 방법.4. The process of claim 3 wherein the riser reactor is substantially vertical. 제1항에 있어서, 상기 흡착매가 거의 촉매 불활성인 것을 특징으로 하는 방법.The method of claim 1 wherein the adsorbent is substantially catalytically inert. 제1항에 있어서, 상기 촉매가 40% 이상의 제올라이트 Y로 되는 것을 특징으로 하는 방법.2. The process of claim 1 wherein said catalyst is at least 40% zeolite Y. 제1항에 있어서, 두 공정(f), 및 (g)가 공정(d)보다 높은 온도에서 수행되는 것을 특징으로 하는 방법.The process of claim 1 wherein two processes (f) and (g) are carried out at a higher temperature than process (d). 제1항에 있어서, 공정(a)에서 흡착매와 촉매의 비가 10 : 1 내지 5 : 1 범위인 것을 특징으로 하는 방법.The method of claim 1 wherein the ratio of the adsorbent to the catalyst in step (a) is in the range of 10: 1 to 5: 1. 제1항에 있어서, 공정(g)가 공정(f)보다 높은 온도에서 수행되는 것을 특징으로 하는 방법.The process of claim 1, wherein step (g) is performed at a higher temperature than step (f). 제8항에 있어서, 부분적으로 연소된 흡착매 입자와 부분적으로 연소된 촉매 입자들이 완전히 재생되기 전에, 이들 입자들을 사이클론 분리기로 서로 분리시키는 것을 특징으로 하는 방법.9. A method according to claim 8, characterized in that the particles are separated from each other with a cyclone separator before the partially burned adsorbent particles and the partially burned catalyst particles are completely regenerated. 제1항에 있어서, 상기 흡착매 입자가 미소 구형의 하소된 점토 및 40%이상의 제올라이트를 함유하는 제올라이트 입자로 되는 것을 특징으로 하는 방법.The method of claim 1, wherein the adsorbent particles are formed of zeolite particles containing microspheres of calcined clay and at least 40% zeolite. 금속 및 아스팔텐 불순물을 함유하는 유입된 탄화수소 원료의 1회 투입분을 상기 원료를 증발시키고, 증발된 열분해 탄화수소중의 희석상 혼합물로서 상기 오일에서 유래된 불순물이 흡착되어 있는 유동성 흡착매 입자들의 혼합물을 생성하기에 충분항 양의 상승관의 증발 흡수 대역에서 순환하는 고온의 새로이 재생된 본질적으로 비촉매성 흡착 물질의 유동성 입자와 접촉시키는 공정, 이어서 증기를 응축시킴없이 상기 흡착매 입자보다 조대한 고온의 새로이 재생된 제올라이트 크래킹 촉매 입자들을 촉매와 흡착매 입자들의 희석상 혼합물을 유지하고 상기 증기의 소정량을 접촉 분해시킬 수 있는 양으로 도입하는 공정, 코크스가 흡착된 촉매 및 코크스가 흡착된 흡착매 입자의 혼합물을 증기로부터 분리시키는 공정, 코크스가 흡착된 촉매 및 흡착매 입자들의 혼합물을 회수하는 공정, 상기 혼합물 중의 상기 촉매 및 흡착매 입자로부터 코크스를 부분적으로 연소시키는 공정, 부분적으로 코크스가 흡착된 촉매와 흡착매 입자들을 물리적으로 서로 분리시키는 공정, 부분적으로 코우크스가 흡착된 촉매 및 흡착매 입자로부터 나머지 코크스를 별도로 연소시키는 공정과, 생성된 고온의 새로이 재생된 촉매와 고온의 새로이 재생된 흡착매를 각각 분리시켜 상기 상승관의 상기 상부 대역 및 하부 대역으로 재순환시키는 공정으로 이루어진 연속 주기의 유동층 접촉 분해법.A single input of the input hydrocarbon feed containing metal and asphaltene impurities is evaporated the feed and a mixture of fluid adsorbent particles in which the impurities derived from the oil are adsorbed as a dilute phase mixture in the evaporated pyrolysis hydrocarbon. Contacting with fluid particles of a hot, newly regenerated essentially non-catalytic adsorbent material circulating in the evaporation absorption zone of the riser in an amount sufficient to produce Introducing hot regenerated zeolite cracking catalyst particles into an amount capable of catalytically cracking a predetermined amount of the vapor and maintaining a dilute phase mixture of catalyst and adsorbent particles, adsorbed coke and adsorbed coke Process of separating the mixture of particles from the vapor, catalyst adsorbed coke and adsorption Recovering the mixture of the particles, partially burning the coke from the catalyst and the adsorbent particles in the mixture, physically separating the partially adsorbed catalyst and the adsorbent particles from each other, partially coke A process of separately burning the remaining coke from the adsorbed catalyst and the adsorbent particles, and separating the generated high temperature freshly regenerated catalyst and the high temperature freshly regenerated adsorbent, respectively, and recycling them to the upper zone and the lower zone of the riser. Fluidized bed catalytic decomposition of continuous cycle consisting of the process of making. 하부 대역에서 제1유동성 고상물을 투입하기 위한 제1유입 수단을 갖는 상승관, 상기 제1유입 수단의 상기 상승관 하류에서 제2 유동성 고상물을 투입하기 위한 유입수단, 탄화수소 원료를 상기 상승관의 하부 대역으로 투입하기 위한 수단, 상기 상승관의 배출구와 서로 연통되어 있는 가스/유동성 고상물의 분리수단, 상기 상승관의 배출구에서 나온 유동성 고상물을 수용하기에 적합한 스팀 스트립퍼, 스팀 스트립핑된 고상물을 1차 재생기로 이송하기 위한 수단, 상기 1차 재생기에서 배출된 유동성 고상물을 분리하기 위한 분리 수단, 분리된 고상물을 2차 재생기로 장입시키기 위한 수단 및 2타 재생기에서 나온 분리된 고상들을 투힙되는 원료와 접촉시키기 위해상기 상승관의 하부 대역 및 하류 대역에 있는 유입구로 분리해서 순환시키기 위한 수단으로 구성되는 탄화수소 원료를 접촉 분해시키기 위한 장치.A riser having a first inflow means for introducing a first flowable solids in a lower zone, an inflow means for injecting a second flowable solids downstream of said riser of said first inflow means, and a hydrocarbon feedstock in said riser Means for feeding into the lower zone of the pipe, means for separating gas / flowable solids in communication with the outlet of the ascension pipe, steam strippers suitable for accommodating flowable solids from the outlet of the pipe, steam stripped solid Means for transferring water to the primary regenerator, separation means for separating the flowable solids discharged from the primary regenerator, means for charging the separated solids into the secondary regenerator and separated solids from the second regenerator Means for circulating separately into inlets in the lower zone and downstream zone of the riser for contacting the raw material with Apparatus for catalytically decomposing a hydrocarbon raw material consisting of. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900006927A 1989-05-16 1990-05-15 Fluidized Bed Catalytic Cracking Method and Apparatus for Hydrocarbon Feedstock Using Mixture of Separable Catalyst and Adsorbent Particles KR900018334A (en)

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