[특허]Fluidized bed reactor

Fluidized bed reactor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-008/24
출원번호	US-0558435 (1975-03-14)
발명자 / 주소	Miller Adam R. (Indianapolis IN)
출원인 / 주소	Union Carbide Corporation (New York NY 02)
인용정보	피인용 횟수 : 79 인용 특허 : 0

초록 ▼

A fluid bed reactor system and process employing a silyl chromate catalyst therein wherein the reactor system comprises a vertical reactor having a fluidizing medium permeable distribution plate towards the base thereof, a fluidizing medium supply line to supply fluidizing medium to the base of the reactor, a catalyst injection means to supply particulate catalyst to the side of the reactor, a polymer product recovery means to recover polymer product from the reactor and beneath the distribution plate, a fluidizing medium recycle line to recycle the fluidizing medium from and to the reactor, and a heat exchanger in the recycle line to remove heat of reaction from the recycled fluidizing medium.

대표청구항 ▼

A fluid bed reactor system in which olefin monomers may be catalytically polymerized continuously in a fluid bed under gas medium fluidized conditions, and comprising a vertical reactor having a cylindrical lower section and an upper section have a cross section greater than that of said lower section, said lower section being adapted to house a polymerization zone in which the catalyzed polymerization reaction may be conducted under gas medium fluidized fluid bed conditions, and said upper section being adapted to function as a velocity reduction zone for the recovery of particles entrained in fluidizing medium entering said upper section from said lower section, fluidizing medium permeable distribution plate means within and towards the base of said lower section, said distribution plate means being adapted to diffuse fluidizing medium up through the fluidized bed in said lower section and to support said bed thereon when said bed is quiescent, fluidizing medium supply line means in gas communication with, and adapted to supply fluidizing medium and make up gas to, the lower section of said reactor and below said distribution plate means, catalyst injection means in catalyst supply communication with, and adapted to supply particulate olefin polymerization catalyst to, the side of the fluidized bed in the polymerization zone in said lower section, polymer product recovery means in polymer product recovery communication with, and adapted to recover polymer product from, the base of said polymerization zone and above said distribution plate means, said polymer product recovery means comprising a valved chamber which is adapted to recover polymer product from said reactor at a rate equal to the rate of polymer product formation with the aid of a pressure differential between the pressure within said reactor and the pressure within said chamber, fluidizing medium recycle line means in gas communication with said reactor and adapted to recover fluidizing medium from the upper section of said reactor and to recycle the thus recovered fluidizing medium to the lower section of said reactor at a point below said distribution plate means, heat exchange means within said recycle line means adapted to remove heat of reaction from the recycled fluidizing medium, gas analyzer means in gas communication with said velocity reduction zone and adapted to analyze gas component deficiency in the fluidizing medium in sad velocity reduction zone, and said fluidizing medium supply line means being in gas communication with said recycle line means and in gas supply activating response communIcation with said gas analyzer means and adapted to supply deficient components of the fluidizable medium to said recycle line means in response to gas supply activating communication from said gas analyzer means.

이 특허를 인용한 특허 (79)

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Chinh Jean-Claude,FRX ; Pes Robert,FRX, Equipment and process for gas-phase olefin polymerization.
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Swindoll Robert D. ; Story Bruce A. ; Kolthammer Brian W. S. ; Peil Kevin P. ; Wilson David R. ; Stevens James C., Gas phase polymerization of olefins.
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Kang, Sung Woo; Chun, Byung Soon; Jun, Young Jae, Olefin polymerization method.
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Ansems, Patricia; Silvis, H. Craig; Madenjian, Lisa S., Polyolefin composition with improved impact properties.
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Patricia Ansems ; H. Craig Silvis ; Lisa S. Madenjian, Polyolefin composition with improved impact properties.
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Meverden, Craig C.; Lynch, Michael W., Prealkylated olefin polymerization catalysts and olefin polymerization employing such catalysts.
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Darryl Stephen Williams, Procatalysts, catalyst systems, and use in olefin polymerization.
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Williams, Darryl Stephen, Procatalysts, catalyst systems, and use in olefin polymerization.
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Williams, Darryl Stephen, Procatalysts, catalyst systems, and use in olefin polymerization.
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Michaels Glenn O. (South Holland IL) Spangler Michael J. (South Holland IL), Process for controlling polymer particle size in vapor phase polymerization.
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Farrer, Don Kent; Dooley, Kenneth Alan; Moore, Glenn Edward; Noble, Larry Allen, Process for the polymerization of ethylene and interpolymers thereof.
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Farrer, Don Kent; Dooley, Kenneth Alan; Moore, Glenn Edward; Noble, Larry Allen, Process for the polymerization of ethylene and interpolymers thereof.
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Ivan Jeremy Hartley ; Guadalupe Garcia Leal ; John Roberts Parrish, Reactor product discharge system.
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Cook John E. (Westfield NJ) Hagerty Robert O. (Edison NJ) Jacob Frederick W. (Houston TX), Reactor system for rapid kill gas injection to gas phase polymerization reactors.
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Hussein, Fathi D.; Cai, Ping; Cevallos-Candau, Jose F.; Burdett, Ian D.; Hamilton, W. Scott; Thomas, Jr., Daniel N., Reactor systems and processes for using the same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Fluidized bed reactor 원문보기

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