[특허]Tapered fluidized bed reactor and process for its use

Tapered fluidized bed reactor and process for its use 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-031/00 B01J-008/24 B01J-008/18 B01J-008/44 C01B-033/027 C01B-033/03 G01N-015/02
출원번호	US-0423271 (2013-08-26)
등록번호	US-10105669 (2018-10-23)
국제출원번호	PCT/US2013/056611 (2013-08-26)
국제공개번호	WO2014/035878 (2014-03-06)
발명자 / 주소	Bucci, John V. Cocco, Raymond Anthony Dehtiar, Max E. Harder, Patrick J. Karri, S. B. Reddy Knowlton, Ted M. Molnar, Michael J.
출원인 / 주소	HEMLOCK SEMICONDUCTOR OPERATIONS LLC
대리인 / 주소	Cantor Colburn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 28

초록 ▼

A fluidized bed reactor includes a gas distributor, a tapered section above the gas distributor, and an expanded head above the tapered section. The gas distributor defines a plurality of inlets surrounding a product withdrawal tube, which extends away from the fluidized bed reactor. The fluidized bed reactor is useful in a process for fluidizing relatively large particles, such as Geldart Group B particles and/or Geldart Group D particles, where said particles are in a bubbling fluidized bed residing, in whole or in part, in the tapered section. The fluidized bed reactor and process may be used for manufacturing polycrystalline silicon.

대표청구항 ▼

1. A fluidized bed reactor comprising: a conical gas distributor having a top edge,a product withdrawal tube mounted to the gas distributor,a plurality of feed inlets defined by the conical gas distributor between the top edge andthe product withdrawal tube;a tapered section above the conical gas distributor, where the tapered section of the fluidized bed reactor expands upward and outward from the top edge of the conical gas distributor; and an expanded head above the tapered section, wherein a diameter of the expanded head is larger than a diameter of the tapered section; and wherein the slope of the expanded head with respect to the horizontal plane of the transition point is at least 40 degrees. 2. The fluidized bed reactor of claim 1, further comprising at least one straight section selected from: a lower straight section located above the conical gas distributor and below the tapered section,an upper straight section located above the tapered section and below the expanded head, orboth the lower straight section and the upper straight section. 3. The fluidized bed reactor of claim 1, where the tapered section expands upward and outward at a cone angle ranging from 2.5° to 10.0° from vertical. 4. The fluidized bed reactor of claim 1, further comprising a plurality of gas inlets, where the gas inlets are defined by the conical gas distributor, and the gas inlets are located between the feed inlets and the top edge of the conical gas distributor. 5. The fluidized bed reactor of claim 1, further comprising a heater oriented to the fluidized bed reactor, so as to provide heat to the tapered section when the heater operates, a supplemental heater oriented to the fluidized bed reactor so as to provide heat at the conical gas distributor when the supplemental heater operates, and a straight section heater oriented to the fluidized bed reactor, so as to provide heat to the at least one straight section when the straight section heater operates. 6. The fluidized bed reactor of claim 1, further comprising a bubbling fluidized bed comprising Geldart Group D particles residing at least in part in the tapered section, where the particles are silicon particles. 7. The fluidized bed reactor of claim 6, further comprising an accelerometer coupled to the fluidized bed reactor for measuring vibrations of the fluidized bed reactor to determine a Sauter mean particle size distribution of the particles. 8. A fluidized bed reactor of claim 1, further comprising at least one row of gas injection ports defined by the tapered section to add additional feed gas, etching gas or diluent gas.

이 특허에 인용된 특허 (28)

Van Slooten Richard A. (E. Aurora NY) Prasad Ravi (E. Amherst NY), Annular heated fluidized bed reactor.
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Wyatt, Jr., John T.; Jones, E. Nicholas; Chen, Alvin U.; Sutton, Clay R.; Healy, Timothy M.; Suryo, Ronald; Lampert, Len; Miller, Jonathan, Circulating fluid bed reactor with improved circulation.
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Adler, Peter; Gölz, Andreas; Kirchner, Holger; Müller, Armin; Sill, Torsten; Sonnenschein, Raymund, Compacting device.
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Allen Robert H. (Baton Rouge LA) Ibrahim Jameel (Baton Rouge LA), Dopant coated bead-like silicon particles.
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Allen Robert H. (Baton Rouge LA), Fluid bed reactor and process.
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Iya Sridhar K. (Williamsville NY), Fluid jet seed particle generator for silane pyrolysis reactor.
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Pinneo John M. (Woodside CA), Fluidized bed diamond particle growth.
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Allen Robert H. (Baton Rouge LA), Fluidized bed process.
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Jung, Yunsub; Kim, Keunho; Yoon, Yeokyun; Kim, Ted; Park, Yong Ki; Yoon, Kyung Koo; Koo, Myung Hoi, Fluidized bed reactor.
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Sakamoto Yoshiyasu (Amagasaki JPX) Tamura Yoichi (Amagasaki JPX) Kawaguchi Kiyohiko (Amagasaki JPX) Inada Kiyotaka (Amagasaki JPX), Measuring particle size distribution.
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Jorgensen Terje (Skien NOX) Strand Oddbjorn E. (Eidanger NOX) Asbjornsen Odd A. (Arnold NOX), Method and apparatus for performing automatic particle analysis.
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Kim, Young Hee; Park, Yong-Ki, Method and apparatus for preparing polysilicon granules.
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Sigai A. Gary (Lexington MA), Method for coating phosphor particles.
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Dutta Arunava (Chestnut Hill MA) Dullea Leonard V. (Peabody MA) Dale Ernest A. (Hamilton MA), Method for fluidized bed discharge.
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Metzger,Karl Ludwig; Mleczko,Leslaw; Buchholz,Sigurd; Schlichth채rle,Philipp, Method for producing highly purified, granular silicium.
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Lord Stephen M. ; Milligan Robert J., Method for silicon deposition.
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Allen Robert H. (Baton Rouge LA) Ibrahim Jameel (Baton Rouge LA), Method of preparing high purity dopant alloys.
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Cody George D. (Princeton NJ) Baker Charles L. (Morris Plains NJ) Elzinga ; Jr. Eugene R. (Marquette MI), Passive acoustics process to monitor fluidized bed level.
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Cody George D. (Princeton NJ) Elzinga ; Jr. Eugene R. (Marquette MI) Baker ; Jr. Charles L. (Thornton PA), Passive acoustics process to monitor transfer lines of a reactor.
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Wolf H. Alan (Franklin Lakes NJ) Chu David L. (Baton Rouge LA), Passive acoustics system to monitor fluidized bed systems.
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Sigai A. Gary (Lexington MA), Phosphor particle, fluorescent lamp, and manufacturing method.
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Padovani ; Francois A. ; Miller ; Michael Brant ; Moore ; James A. ; Fo wler ; James H. ; June ; Malcolm Neville ; Matthews ; James D. ; Morton ; T. R. ; Stotko ; Norbert A. ; Palmer ; Lewis B., Process of refining impure silicon to produce purified electronic grade silicon.
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Lord Stephen M. ; Milligan Robert J., Silicon deposition reactor apparatus.
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Arvidson, Arvid Neil; Molnar, Michael, Silicon production with a fluidized bed reactor integrated into a siemens-type process.
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Molnar, Michael John, Silicon production with a fluidized bed reactor utilizing tetrachlorosilane to reduce wall deposition.
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Padovani Francois A. (Dallas TX) Miller Michael B. (Richardson TX) Moore James A. (Dallas TX) Fowler James H. (both of ; Plano TX) June Malcom N. (both of ; Plano TX) Matthews James D. (Denver CO) Mo, Silicon refinery.
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Padovani Francois A. (Dallas TX), Silicon seed production process.
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Scott Charles D. (Oak Ridge TN) Hancher Charles W. (Oak Ridge TN), Tapered bed bioreactor.
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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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Tapered fluidized bed reactor and process for its use 원문보기

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Tapered fluidized bed reactor and process for its use 원문보기

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