[특허]Systems and methods for removing entrained particulates from gas streams, and reactor systems

Systems and methods for removing entrained particulates from gas streams, and reactor systems 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/00 B01D-045/12 B01J-008/18 B01D-045/14 B01J-008/38 C08F-010/00 B01J-008/00
출원번호	US-0810333 (2008-12-10)
등록번호	US-8876942 (2014-11-04)
국제출원번호	PCT/US2008/013559 (2008-12-10)
§371/§102 date	20100624 (20100624)
국제공개번호	WO2009/085109 (2009-07-09)
발명자 / 주소	Force, Randall L. Blickley, William J. Leach, Edward A. Hagerty, Robert O.
출원인 / 주소	Univation Technologies, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 37

초록

Various methods and systems for removing particulates from a cycle gas stream, e.g., in a reactor system, are provided. In certain embodiments, the methods are performed in conjunction with a polymerization reactor system such as a gas-phase reactor system.

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1. A method for separating particulates from a cycle gas stream of a fluidized bed polymerization reactor system comprising: compressing a cycle gas stream coming directly from a reactor, the cycle gas stream having particulates entrained therein;detecting an amount of solids in said cycle gas stream using a detection device;removing at least some of the particulates from the compressed gas stream, wherein the removing is performed by a concentrator, wherein the concentrator comprises a shell having an inlet, a gas outlet, and a solids outlet, and at least one guide vane positioned near the inlet, and wherein the blade angle of the at least one guide vane is adjusted based on a reading from the detection device; andfeeding the removed particulates into a reactor vessel of the reactor system. 2. The method of claim 1, wherein a portion of the compressed gas is diverted from the compressed gas stream and used to feed the removed particulates into the reactor vessel. 3. The method of claim 1, wherein a solids effluent stream of the concentrator is fed into a reactor vessel of the reactor system, the effluent stream being propelled by compressed gas diverted from the compressed gas stream. 4. The method of claim 1, wherein a portion of the compressed gas is diverted from the compressed gas stream and used to transport the removed particulates, wherein the portion of the compressed gas and removed particles are directed at a nozzle of the reactor system. 5. The method of claim 1, wherein a portion of the compressed gas is diverted from the compressed gas stream and used to convey the removed particulates to another location. 6. A method according to claim 1 for separating particulates from a gas stream in a fluidized bed reactor system comprising: compressing a cycle gas stream coming directly from a reactor vessel, the cycle gas stream having particulates entrained therein;using a concentrator to concentrate at least some of the particulates in the compressed cycle gas stream in a second gas stream, the second gas stream comprising gas diverted from the compressed cycle gas stream; anddirecting the second gas stream into the reactor vessel. 7. A fluidized bed polymerization reactor system comprising: at least one fluidized bed polymerization reactor vessel;a cycle line for cycling gas removed from the at least one reactor vessel back to the at least one reactor vessel;a detection device for detecting an amount of solids in said cycle line;a compressor for compressing the gas in the cycle line;a separation device for removing particulates from the compressed gas, wherein the separation device is a concentrator, wherein the concentrator comprises a shell having an inlet, a gas outlet, and a solids outlet, and at least one guide vane positioned near the inlet, and wherein the blade angle of the at least one guide vane is adjusted based on a reading from the detection device; andmeans for feeding the removed particulates to the reactor vessel. 8. The reactor system of claim 7, further comprising a heat exchanger for cooling the compressed gas, wherein the heat exchanger is coupled to the cycle line between the compressor and the separation device, or downstream of the separation device, or upstream of the compressor. 9. The reactor system of claim 7, wherein a portion of the compressed gas is diverted from the cycle line and used to feed the removed particulates into the reactor vessel. 10. The reactor system of claim 7, wherein an effluent stream of the concentrator is fed into the reactor vessel of the reactor system, the effluent stream being propelled by a portion of the compressed gas diverted from the cycle line. 11. The reactor system of claim 7, wherein a portion of the compressed gas is diverted from the compressed cycle gas stream and used to transport the removed particulates, wherein the portion of the compressed gas and removed particles are directed at a nozzle of the reactor system. 12. The reactor system of claim 7, wherein a portion of the compressed gas is diverted from the cycle line and used to convey the removed particulates to another location away from the separation device.

이 특허에 인용된 특허 (37)

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James Hanawalt Lee ; Chi-Hung Lin ; Barry F. Wood, Agitator for a horizontal polymerization reactor having contiguous paddle stations with paddles and sub-stations with sub-station paddles.
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Reiling, Vincent, Apparatus and process for gas phase fluidized-bed polymerization.
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Bontemps Xavier (Martigues FRX) Havas Laszlo (Martigues FRX) Martens Andre (Martigues FRX) Morterol Frederic R. M. M. (Sausset-Les-Pin FRX), Apparatus for gas phase polymerization of olefins in a fluidized bed reactor.
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Govoni, Gabriele; Covezzi, Massimo, Apparatus for gas-phase polymerization.
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Hummel Albert A. ; Brusaferro Adolfo ; Rinaldi Roberto,ITX, Apparatus for producing polyolefin grafted copolymers.
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Zhang,Yuanhui, Apparatus for separating particles from a fluid.
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Tzschoppe ; Eberhard ; Weinlich ; Jurgen, Apparatus for the manufacture of vinyl chloride polymers.
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Hellat Jaan (Rtihof-Baden CHX) Keller Jakob (Killwangen CHX), Axial swirl body for generating rotary flows.
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Engstrm Folke (Kotka FIX) Isaksson Juhani (Kotka FIX), Cleaning of high temperature high pressure (HTHP) gases.
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Hyppanen Timo (Karhula FIX) Isaksson Juhani (Kotka FIX) Eriksson Timo (Karhula FIX) Pulkkinen Teuvo (Karhula FIX) Provol Steven J. (San Diego CA), Combined cycle power plant with circulating fluidized bed reactor.
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Schnwald Siegfried (Bad Neustadt/Saale DEX), Dust stripper for use in a side-channel compressor.
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Chinh Jean-Claude,FRX ; Filippelli Michel C. H.,FRX ; Newton David,GB2 ; Power Michael Bernard,GB2, Fluidized bed polymerization reactor.
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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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Systems and methods for removing entrained particulates from gas streams, and reactor systems 원문보기

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Systems and methods for removing entrained particulates from gas streams, and reactor systems 원문보기

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