CN201316679Y - Thermophoresis-type cyclone separator for superfine particles - Google Patents
Thermophoresis-type cyclone separator for superfine particles Download PDFInfo
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- CN201316679Y CN201316679Y CNU2008201242262U CN200820124226U CN201316679Y CN 201316679 Y CN201316679 Y CN 201316679Y CN U2008201242262 U CNU2008201242262 U CN U2008201242262U CN 200820124226 U CN200820124226 U CN 200820124226U CN 201316679 Y CN201316679 Y CN 201316679Y
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Abstract
The utility model discloses a thermophoresis-type cyclone separator for superfine particles, which belongs to the field of dust-removing equipment for environment protection. A thermophoresis-type cyclone separating cavity is surrounded by the inner wall of a circular sandwich layer, and a dust discharging conic sleeve and a dust collecting bucket are connected at the lower end of the inner wall of the circular sandwich layer; a water cooling device or an air cooling device is connected on the outer wall of the circular sandwich layer so as to produce a lower wall temperature; a heater is communicated with the inner wall of the circular sandwich layer through an air intake valve, and serves as an auxiliary heating device for producing a higher stream temperature; and a pure gas outlet short pipe is fixed on the upper end wall of the inner wall of the circular sandwich layer. The thermophoresis-type cyclone separator provided by the utility model removes inhalable particles on the basis of comprehensive effects of thermophoresis principle and centrifugal rotation, so that superfine particles with various particle sizes reaches a higher total deposition efficiency. The thermophoresis-type cyclone separator for superfine particles can be in multiple-stage series connection, the gas flow velocity ranges from 5 m/s to 25 m/s, and the total removal rate reaches 95 percent. Moreover, the thermophoresis-type cyclone separator has low manufacturing cost and operating cost, convenient implementation and simple control.
Description
Technical field
The utility model belongs to environmental protection cleaner field.Specifically, be thermophoretic effect and the centrifugal rotation effect of utilizing under the temperature difference effect, make fine particle be deposited on cold wall, realize removing a kind of thermophoresis type cyclone separator for objects of subparticle in the broad particle size range.
Background technology
The common cyclone separator of extensive use is to pellet (PM contained in the air-flow
10) removal efficiency is extremely low.Fine particle in the air-flow can be under the effect of higher gas flow temperature and colder wall surface temperature difference,, and is deposited on the cold wall to moving to the temperature lower one, and this is referred to as thermophoretic effect.The thermophoresis phenomenon is the heat subject of studying in the world, and from present external experiment and theoretical study results, the thermophoresis deposition efficiency that is caused by thermophoretic effect merely in turbulent flow has only 10%～20%.The thermophoresis deposition efficiency is lower, is because thermophoretic forces is a short-range contingence, only just plays a role near the boundary layer.And studies show that, when duct length when 2m is above, the thermophoresis deposition efficiency just stops to increase.So, the also less report of seeing of the deduster that utilizes thermophoretic effect to make.Typical research is: the Byung Uk Lee of Korea S in 2002 and Sang Soo Kim are at document " New type ofimpactor with a cooled impaction plate for capturing PM
2.5And otheraerosol s.Journal of Aerosol Science. (34) 957-967.2003)) ", a kind of novel impactor of capturing that cold drawing is housed has been carried out experimental study.They have utilized particle to the inertial collision of cold copper pressing plate and the effect of thermophoresis deposition simultaneously, and are coated with on the copper pressing plate with butter with the bonded particulate thing, total deposition efficiency is reached more than 50%, but this method are very complicated, are difficult to be applied to engineering reality.So, solve the inhalable particulates removing problem, must the new deduster of design.
Summary of the invention
The purpose of this utility model is in the prior art, and common cyclone separator is to pellet (PM contained in the air-flow
10) the extremely low deficiency of removal efficiency proposes to utilize thermophoresis principle and centrifugal rotation effect to realize removing a kind of thermophoresis type cyclone separator for objects of subparticle of fine particle, it is characterized in that, the internal ring wall of the ring interlayer 6 of described thermophoresis type cyclone separator for objects of subparticle surrounds thermophoresis formula cyclonic separation chamber 7, the internal ring wall lower end of ring interlayer 6 connects tapered sleeve 8, and the thin awl mouth of tapered sleeve 8 stretches in the control of dust ash bucket 9; The fixing pure qi (oxygen) outlet 3 in the upper end in cyclone separator chamber 7; Air intake valve 2 is connected by air inlet pipe and disengagement chamber 7, heater 1 is connected on the inlet end of air intake valve 2, cooling medium pump 11 by pipeline with enter valve 10 and be connected, enter valve 10 and be communicated with the bottom of ring interlayer 6 again, coolant discharge pipe picks out from the external annulus top of ring interlayer 6, and polyphone discharge valve 4 and cooler 5.
Two short tubes that have the first branch road valve 12, the second branch road valve 13 are respectively installed in described cyclone separator upper surface.
The utility model compared with prior art has following outstanding advantage and effect: be to utilize thermophoresis principle and centrifugal rotation effect to remove pellet.On the basis of centrifugal rotation effect, utilize the thermophoretic effect effect again, the subparticle that comprehensively makes various particle diameters of two kinds of effectiveness reaches higher total deposition efficiency.Utilize this thermophoresis type cyclone separator for objects of subparticle plural serial stage, when air velocity was 5～25m/s, total removal efficiency was up to more than 90%.And cost and operating cost are cheap, and it is convenient to implement, and control is simple; The normal phase stable operation of equipment,, dependable performance.And can under various environmental conditions, use effectively, positive effect be arranged administering the fine particle environmental pollution.Can carry out the marketization at an easy rate is applicable.
Description of drawings
Fig. 1 is the thermophoresis type cyclone separator for objects of subparticle structural representation.
Fig. 2 is the vertical view of thermophoresis type cyclone separator for objects of subparticle.
The specific embodiment
A kind of thermophoresis type cyclone separator for objects of subparticle that the utility model provides.Below in conjunction with accompanying drawing concrete structure of the present utility model, the course of work and preferred forms are described further.
Fig. 1 is the thermophoresis type cyclone separator for objects of subparticle structural representation.Fig. 2 is the cyclone separator vertical view.The utility model is a kind of cyclone type combination dust pelletizing system that passes to cooling agent (cooling water or cold air) that has the ring interlayer.The internal ring wall of ring interlayer 6 is a heat exchange walls among the figure, and heat exchange walls surrounds thermophoresis formula cyclonic separation chamber 7, and the internal ring wall lower end of ring interlayer 6 connects tapered sleeve 8, and the thin awl mouth of tapered sleeve 8 stretches in the control of dust ash bucket 9; The fixing pure qi (oxygen) outlet 3 in the upper end in cyclonic separation chamber 7, air intake valve 2 is connected by the internal ring wall of air inlet pipe and ring interlayer 6, and heater 1 is connected on the inlet end of air intake valve 2, as the assisted heating device that produces higher gas flow temperature; Cooling medium pump 11 is communicated with by entering valve 10, pipeline and ring interlayer 6 bottoms, to produce low wall surface temperature; Coolant discharge pipe picks out from the external annulus top of ring interlayer 6, and polyphone discharge valve 4 and cooler 5.
Above-mentioned heat exchange wall surrounds thermophoresis formula cyclonic separation chamber 7 (active sections).General barrel diameter is between 40mm～200mm; Cylindrical shell and cone total height are 120mm～1500mm, and cylindrical shell can be shorter than the cone height slightly; Ash discharging hole diameter 10mm～140mm; Pure qi (oxygen) outlet diameter is 16mm～140mm; Entrance height 24mm～130mm; Throat width 8mm～60mm.This system can be installed in any outside place and meet the interior space of the size of system requirements.Can produce the thermophoresis type cyclone separator for objects of subparticle equipment of water-cooled and air cooling all types ofs size.With regard to Fig. 1, non high temperature gas grain mixture is through behind the auxiliary heater 1, from separator active section tangent to periphery direction, enter in thermophoresis formula cyclone separator disengagement chamber 7 (active sections), High Temperature Gas grain mixture centrifugal rotation in disengagement chamber about 200 ℃, wherein relatively large particle can separate near internal face under centrifugal rotation effect effect; On the other hand,, under water-cooling wall or air cooling (can use liquid nitrogen, carbon dioxide or other refrigerant gas) wall action of thermal difference, be deposited on the tube wall face than small-particle according to the thermophoresis rule.
Consider all kinds of particles that contain the particle size range broad in the grit of discharges such as power plant, consider and improve fine grain total deposition efficiency, can adopt multi-level series connection.By multi-level series connection, constantly produce non-fully developed stream effect at several swimming formula cyclone separator active sections, total deposition efficiency is improved constantly.Auxiliary heater of the present utility model mainly is to improve temperature of incoming flow.To possessing the dust-contained airflow that higher temperature is arranged,, then can omit this link as boiler smoke, kiln gas etc.Auxiliary heater can substitute with the electric heater on the open market.
The thermophoresis formula cyclone body ring set interlayer both ends of the surface of this equipment are made by steel plate with holes, with the welding of separator lower shell, two cylindrical shells are also sealed with one heart form annular end face, separator interlayer ectosome welding limbers.Cooling water can be taken from all kinds of normal temperature water source, and can recycle repeatedly.The number of multi-level series connection will be determined according to temperature difference and Reynolds number, generally be advisable with about 10.The connection of pipe-line system will be prevented sealing, gas leakage.
Two short tubes that have the first branch road valve 12, the second branch road valve 13 respectively are installed in the cyclone separator upper surface.(also can consider 4 or many layouts), closing turnover two-way main valve, after opening the first branch road valve 12, the second branch road valve 13, in order to feed compressed air, regularly purge the fine particulates of deposition, and at the terminal dust-exhausting port of air-flow place's connection cloth bag or other container, to collect fine particulates.If heated cooling water when there is hot water supply in system or utilizes work can feed hot water from cooling water hole, utilize colder compressed air by sandwich passage simultaneously, utilize the effect of thermophoresis equally, all kinds of particle high efficiency are blown into cloth bag collect.Certainly, system also can use each kind solvent such as water to clean easily.
Claims (2)
1. thermophoresis type cyclone separator for objects of subparticle, it is characterized in that, the internal ring wall of the ring interlayer (6) of described thermophoresis type cyclone separator for objects of subparticle surrounds thermophoresis formula cyclonic separation chamber (7), the internal ring wall lower end of ring interlayer (6) connects tapered sleeve (8), and the thin awl mouth of tapered sleeve (8) stretches in the control of dust ash bucket (9); The fixing pure qi (oxygen) outlet (3) in the upper end of cyclone separator chamber (7); Air intake valve (2) is connected by air inlet pipe and disengagement chamber (7), heater (1) is connected on the inlet end of air intake valve (2), cooling medium pump (11) by pipeline with enter valve (10) and be connected, enter valve (10) and be communicated with the bottom of ring interlayer (6) again, coolant discharge pipe picks out from the external annulus top of ring interlayer (6), and polyphone discharge valve (4) and cooler (5).
2. according to the described thermophoresis type cyclone separator for objects of subparticle of claim 1, it is characterized in that two short tubes that have the first branch road valve (12), the second branch road valve (13) are respectively installed in described cyclone separator upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242262U CN201316679Y (en) | 2008-12-02 | 2008-12-02 | Thermophoresis-type cyclone separator for superfine particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201242262U CN201316679Y (en) | 2008-12-02 | 2008-12-02 | Thermophoresis-type cyclone separator for superfine particles |
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| CN201316679Y true CN201316679Y (en) | 2009-09-30 |
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| CNU2008201242262U Expired - Fee Related CN201316679Y (en) | 2008-12-02 | 2008-12-02 | Thermophoresis-type cyclone separator for superfine particles |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011144942A1 (en) * | 2010-05-21 | 2011-11-24 | Assured Performance Group (Holdings) Limited | Filter with cyclone separation means |
| CN102620287A (en) * | 2012-03-31 | 2012-08-01 | 清华大学 | Circulating fluidized bed boiler with air cooling type cyclone separator |
| CN102909138A (en) * | 2012-10-18 | 2013-02-06 | 苏忠 | Cyclone dust collector capable of preventing flue from being blocked |
| CN102965277A (en) * | 2012-11-27 | 2013-03-13 | 北京市西山试验林场 | Cross-flow type cyclone-cloth bag combined dust collector system for bio-active spore powder |
| CN105195415A (en) * | 2014-06-04 | 2015-12-30 | 衢州市优德工业设计有限公司 | Double-layer swirler |
| CN107062378A (en) * | 2017-05-25 | 2017-08-18 | 河南工业大学 | Nearly wall thermal source energy-saving duster |
| CN110514641A (en) * | 2019-08-16 | 2019-11-29 | 上海化工研究院有限公司 | A kind of Raman spectroscopy measures the device and its application method of microprecipitation object in water |
| WO2023104670A1 (en) * | 2021-12-08 | 2023-06-15 | Eos Gmbh Electro Optical Systems | Particle separator for an additive manufacturing device |
-
2008
- 2008-12-02 CN CNU2008201242262U patent/CN201316679Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011144942A1 (en) * | 2010-05-21 | 2011-11-24 | Assured Performance Group (Holdings) Limited | Filter with cyclone separation means |
| CN102620287A (en) * | 2012-03-31 | 2012-08-01 | 清华大学 | Circulating fluidized bed boiler with air cooling type cyclone separator |
| CN102620287B (en) * | 2012-03-31 | 2014-11-26 | 清华大学 | Circulating fluidized bed boiler with air cooling type cyclone separator |
| CN102909138A (en) * | 2012-10-18 | 2013-02-06 | 苏忠 | Cyclone dust collector capable of preventing flue from being blocked |
| CN102965277A (en) * | 2012-11-27 | 2013-03-13 | 北京市西山试验林场 | Cross-flow type cyclone-cloth bag combined dust collector system for bio-active spore powder |
| CN105195415A (en) * | 2014-06-04 | 2015-12-30 | 衢州市优德工业设计有限公司 | Double-layer swirler |
| CN105195415B (en) * | 2014-06-04 | 2017-06-13 | 衢州市优德工业设计有限公司 | A kind of Double layer spiral flow device |
| CN107062378A (en) * | 2017-05-25 | 2017-08-18 | 河南工业大学 | Nearly wall thermal source energy-saving duster |
| CN110514641A (en) * | 2019-08-16 | 2019-11-29 | 上海化工研究院有限公司 | A kind of Raman spectroscopy measures the device and its application method of microprecipitation object in water |
| WO2023104670A1 (en) * | 2021-12-08 | 2023-06-15 | Eos Gmbh Electro Optical Systems | Particle separator for an additive manufacturing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20121202 |