[특허]Material classifier

Simpson,Peter

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Material classifier

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B07B-007/00 B01D-045/00
미국특허분류(USC)	209/720; 209/154; 055/431; 055/459.1; 055/459.2
출원번호	US-0898325 (2004-07-26)
발명자 / 주소	Simpson,Peter
출원인 / 주소	Simpson,Peter
인용정보	피인용 횟수 : 11 인용 특허 : 6

초록
▼

A material classifier includes a cyclone including a cyclone inlet, a cyclone outlet, a blower and a blower discharge; an air diffuser connected at a diffuser inlet to the cyclone outlet and at a diffuser outlet to an air lock such that the cyclone and air diffuser are in fluid communication; wherein the diffuser including a central cylindrical portion including an air inlet for admitting controlled amounts of diffuser air around substantially the entire cylinder outer periphery of the central cylindrical portion, wherein the material classifier separating fine particles from coarse particles and discharging the fine particles together with air out the blower discharge, and discharging the coarse particles through the air lock, such that varying the amount of diffuser air one can control the size of the fine particles being separated from the coarse particles.

대표
청구항
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I claim: 1. A material classifier comprising: a) a cyclone including a cyclone inlet, a cyclone outlet, a blower and a blower discharge, the cyclone entraining relatively coarse particles in an exterior downwardly spiraling vortex and entraining relatively finer particles in an interior updraft; b) an air diffuser connected at a diffuser inlet to said cyclone outlet and at a diffuser outlet to an air lock such that said cyclone and air diffuser are in fluid communication; c) wherein said diffuser including a central cylindrical portion including an air inlet means for admitting controlled amounts of diffuser air around substantially the entire cylinder outer periphery of said central cylindrical portion, wherein said diffuser air is admitted into said cyclone in such a manner as to enhance and reinforce the interior updraft such that said material classifier separating fine particles from coarse particles by discharging said fine particles together with air upwardly out said blower discharge, and discharging said coarse particles downwardly through said air lock, such that by varying the amount of diffuser air one controls the size of the fine particles being separated from the coarse particles, and d) further including a secondary cleaning unit mounted on an exit side of the air lock wherein, additional fines and diffuser air is communicated from said secondary cleaning unit to said air diffuser. 2. The material classifier claimed in claim 1 wherein said air inlet means including numerous air inlet apertures spaced around said cylinder outer periphery for admitting diffuser air. 3. The material classifier claimed in claim 1 wherein said air inlet means including numerous air slots spaced around said cylinder outer periphery for admitting diffuser air. 4. The material classifier claimed in claim 3 wherein said air slots extending along a longitudinal axis, and said slots oriented at an angle theta measured between said longitudinal axis and vertical such that when diffuser air is admitted through said angled slots said air flow supporting development of an interior updraft in said cyclone. 5. The material classifier claimed in claim 3 wherein said slots are so oriented so as to enhance and reinforce a formation of a strong interior updraft. 6. The material classifier claimed in claim 1 wherein said air inlet means further including a control means for adjustably controlling the amount of diffuser air being admitted through said air inlet means and into said air diffuser. 7. The material classifier claimed in claim 6 wherein said control means including an annular adjustable band extending and clamping around the cylinder outer periphery for selectively covering off all or some of a slot area. 8. The material classifier claimed in claim 6 wherein said control means including a barometric damper for adjusting the amount of diffuser air depending upon the material trough put of the cyclone. 9. The material classifier claimed in claim 1 wherein said central cylindrical portion being larger in diameter than a cyclone outlet diameter. 10. The material classifier claimed in claim 1 wherein said cyclone dimensioned and adapted to promote formation of an exterior downwardly spiralling vortex and an interior updraft. 11. The material classifier claimed in claim 1 wherein said cyclone further including a stand pipe dimensioned to aid and enhance the development of a strong interior updraft. 12. The material classifier claimed in claim 1 wherein the entrained particles being selected from the list including granulates pellets, fibres, flakes, beans, plastic, metal, and paper. 13. The material classifier claimed in claim 1, wherein said secondary cleaning unit including a discharge pipe having a discharge bottom for admitting diffuser air. 14. The material classifier claimed in claim 13 wherein said secondary cleaning unit including at least one diffuser air pipe including a secondary inlet at said discharge pipe for communicating diffuser air and fine particles from said discharge pipe to said air diffuser. 15. The material classifier claimed in claim 14, wherein said air inlet means including at least one valve for controlling the volume of diffuser air communicated from said secondary cleaning unit to said air diffuser. 16. The material classifier claimed in claim 15, wherein said valve including at least one gate valve mounted, in said diffuser air pipe for controlling the volume of diffuser air. 17. The material classifier claimed in claim 16, wherein said discharge pipe having at least one deflector plate for deflecting material discharged from said air lock, such that particles pass by said secondary inlet on their way through said discharge pipe and fine particles are extracted and communicated to said air diffuser. 18. The material classifier claimed in claim 17, wherein the discharge pipe having at least two deflector plates which are mounted in such a manner to provide a cascading effect of particles from an upper deflector plate to a lower deflector plate as they fall through said discharge pipe. 19. The material classifier claimed in claim 18, wherein said air diffuser including a plenum around cylinder outer periphery in fluid communication with air slots in said air diffuser and also in fluid communication with said secondary cleaning unit. 20. The material classifier claimed in claim 1, wherein said air diffuser further including a diffuser plenum extending around cylinder outer periphery for distributing and communicating air into said air diffuser. 21. The material classifier claimed in claim 20, wherein said diffuser plenum having defined therein, at least one plenum diffuser air inlet for communicating diffuser air from the ambience atmosphere into said diffuser plenum, thereby communicating ambient air into said air diffuser. 22. The material classifier claimed in claim 21 wherein said diffuser plenum further including at least one valve for controlling the volume of diffuser air communicated through said plenum diffuser air inlet, thereby allowing one to control the volume of air passing through plenum diffuser air inlet. 23. A material classifier comprising: a) a cyclone including a cyclone inlet, a cyclone outlet, a blower and a blower discharge, the cyclone entraining relatively coarse particles in an exterior downwardly spiraling vortex and entraining relatively finer particles in an interior updraft; b) an air diffuser connected at a diffuser inlet to said cyclone outlet and at a diffuser outlet to an air lock such that said cyclone and air diffuser are in fluid communication; c) wherein said diffuser including a central cylindrical portion including an air inlet means for admitting controlled amounts of diffuser air around substantially the entire cylinder outer periphery of said central cylindrical portion, wherein said diffuser air is admitted into said cyclone in such a manner as to enhance and reinforce the interior updraft such that said material classifier separating fine particles from coarse particles by discharging said fine particles together with air upwardly out said blower discharge, and discharging said coarse particles downwardly through said air lock, such that by varying the amount of diffuser air one controls the size of the fine particles being separated from the coarse particles, d) wherein said air inlet means including numerous air slots spaced around said cylinder outer periphery for admitting diffuser air, e) wherein said air slots extending along a longitudinal axis and said slots oriented at an angle theta measured between said longitudinal axis and vertical such that when diffuser air is admitted through said angled slots said air flow supporting development of an interior updraft in said cyclone, wherein said angle theta is between 10 and 80 degrees.

인용문헌 (6)

이 특허를 인용한 특허 (11)

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Material classifier

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인용문헌 (6)

이 특허를 인용한 특허 (11)

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Material classifier

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인용문헌 (6)

이 특허를 인용한 특허 (11)

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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