CN101537282B - Gas-solid separation device with dusting brush - Google Patents
Gas-solid separation device with dusting brush Download PDFInfo
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- CN101537282B CN101537282B CN2008100268912A CN200810026891A CN101537282B CN 101537282 B CN101537282 B CN 101537282B CN 2008100268912 A CN2008100268912 A CN 2008100268912A CN 200810026891 A CN200810026891 A CN 200810026891A CN 101537282 B CN101537282 B CN 101537282B
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Abstract
The invention discloses a gas-solid separation device with a dusting brush. The device comprises a device body provided with a treatment space inside, a crude gas inlet arranged on one side of the device body, a gas outlet arranged on the other side of the device body, an intake chamber formed on the upper part of the treatment space, a dust chamber formed on the lower part of the treatment space, a filter element which is arranged in the treatment space and partitions the intake chamber and the dust chamber, and a dust removal system, wherein the filter element is provided with at least one through hole which is communicated with the intake chamber and the dust chamber, the crude gas inlet is communicated with the intake chamber, the side wall of the filter element seals the gas outlet, and the dust removal system comprises a driving part and at least one dusting brush which can rotate and/or perform reciprocating movement in the corresponding at least one through hole under the driving of the driving part. The device adopts the dusting brush to effectively brush off solid particles adhered to the inner wall of the through hole of the filter element to avoid the phenomenon that the solid particles block the filter element, thereby ensuring the steady operation of the device.
Description
Technical field
The present invention relates to a kind of filter, relate in particular to a kind of gas-solid separating device that is used for the biomass energy converting system.
Background technology
Along with the continuous development of World Economics, the energy and environmental problem become increasingly conspicuous.The human main energy sources of using at present has 3 kinds of oil, natural gas and coals.According to International Energy Agency statistics, on the earth these 3 kinds of energy for time limits of human exploitation have only 40 years respectively, 50 years and 240 years.Tap a new source of energy and become to concern the key subjects of human social.
Biomass energy is the solar energy that is stored in by the photosynthesis of plant and solar energy in the plant.According to estimates, the annual energy of storing of plant is equivalent to 10 times that world's main fuel consumes, and is less than 1% of its total amount as the utilization of the energy.By the biomass energy switch technology, can utilize biomass energy efficiently, produce various clean fuels, substitute fuel such as coal, oil and natural gas.
At present, countries in the world, especially developed country all are being devoted to develop efficient, free of contamination biomass energy utilization technologies, to reach the protection mineral resources, ensure energy security, realize CO
2Reduce discharging, promote sustainable economic and social development.Biomass energy will become the future source of energy important component part, and the expert estimates that global total energy consumption in 2015 will have 40% from biomass energy, and mainly the industrialized development by biomass power generation and biomass liquid fuel realizes.
At present, changing living beings into liquid fuel (bio oil) by the high temperature fast pyrogenation is to realize one of efficient important channel that utilizes of biomass energy.According to the heat transfer type difference, the biomass through pyrolysis liquefaction process generally can be divided into 3 classes: (1) wall indirect heating type reactor.It mainly contacts with living beings by scorching hot reactor surface, thereby being delivered to living beings, heat it is rapidly heated reach fast pyrolysis, as the rotation awl biomass through pyrolysis to-oil reactor of the heat of ablation cracking reactor of Britain Aston university, Vortex reactor that NREL proposes and the design of Dutch Twente university etc.; (2) radiation heat transfer formula reactor, the principal character of this class reactor are to provide biomass through pyrolysis required heat by the surface of a high temperature or thermal source, and it mainly carries out the heat transmission by heat radiation, as the heat radiation reactor of U.S. washington university; (3) gas-solid mixing direct-heating type reactor, it mainly is by thermal current or Dual-Phrase Distribution of Gas olid living beings to be carried out Fast Heating, it can provide the high rate of heat addition and uniform relatively reaction temperature, the carrier gas of flowing simultaneously fast is convenient to product of thermal cracking and is in time separated out, as the fluid bed heat cracking system of Canadian waterloo university, circulating fluid bed reactor that Canadian Ensyn proposes and the quick flow type pump with injection reactor of GTFJ etc.The equipment scale of wall indirect heating type reactor is comparatively huge, and simultaneously mechanical contact wear is severe and make operation expense also higher, therefore will be restricted in scale is used, and this type of reactor is general main to provide the mechanism test required.And radiation recuperator heat exchange effect is relatively poor, and energy consumption is difficult to scale greatly.Than preceding two types, abroad developed and the biomass through pyrolysis liquefaction reaction device side of attempting scale overweights the 3rd class.Fluid bed (or recirculating fluidized bed) pyrolysis liquefaction technology makes it become the technology that the thermal cracking that development potentiality is arranged is at present most produced liquid fuel because of realizing the high rate of heat addition, the short gas phase time of staying, simple and direct temperature control, charcoal recovery easily, lower investment and ripe method for designing.
The process and the double tower apparatus system thereof of a kind of biomass pyrolysis liquefaction that is disclosed for CN200510057215.8 number as Chinese patent.Its process comprises biological material sent into allows high-temperature stream gasification and heating medium for high temperature mix with biological material living beings are carried out the step of thermal cracking in the pyrolytic reaction tower, in separator, pyrolysis gas and carbon residue, ash are carried out the step of gas solid separation, and the step of bio oil etc. of in condenser, pyrolysis air cooling being congealed into.Wherein, thermophore is exported the circulatory system with pyrolysis gas, carbon residue etc. in the pyrolytic reaction tower; Carbon residue is used to thermophore is preheated.Its apparatus system also comprises the thermophore separator that thermophore-waste gas-ash content that thermophore and carbon residue are separated the thermophore heating tower of once initial separator, burning carbon residue earlier and be used for coming out in the thermophore heating tower with other materials together separates.But, as can be seen from the above description, the CN200510057215.8 patent has following weak point: the filter core of the gas-solid separator of prior art is all stopped up by biological particles in use for some time easily, thereby cause the pyrolysis air-flow moving not smooth, and then cause loss of yield, therefore must regularly carry out labor cleaning or replacing, this will bring sizable trouble to production.
Therefore, provide a kind of filter core of can clearing up automatically to become urgent problem with the gas-solid separating device of avoiding filter core to stop up.
Summary of the invention
The object of the present invention is to provide a kind of gas-solid separating device that can clear up filter core automatically.
Technical scheme of the present invention is achieved in that provides a kind of gas-solid separating device with dust removal brush, it comprises that inside is provided with the device body of handling the space, be arranged at the thick gas inlet of device body one side, be arranged at the gas vent of device body opposite side, be formed at the inlet plenum of handling top, space, be formed at the dust storage chamber of handling the bottom, space, and be arranged in the processing space and inlet plenum and the separated filter core of dust storage chamber, filter core is offered at least one through hole that is communicated with inlet plenum and dust storage chamber, thick gas inlet is communicated with inlet plenum, the sidewall of filter core is sealed gas vent, wherein, gas-solid separating device further comprises dust pelletizing system, and dust pelletizing system comprises that driver part and at least one can rotate and/or reciprocating dust removal brush at least one through hole in correspondence under the driving of driver part.
Preferably, when gas-solid separating device was worked, dust removal brush can keep low-speed running always, thereby constantly will dispose attached to the solid particle on the through hole inwall.More preferably, rotating is carried out in dust pelletizing system tick-over always and compartment of terrain.This helps removing the ash on the clean through hole inwall, has also avoided the wearing and tearing of the filter core that the contact friction owing to brush and filter core causes simultaneously.
Selectively, dust pelletizing system is provided with pressure sensor and/or the temperature sensor that is used for the sense gasses state variation, and is used for according to the information control dust pelletizing system startup of pressure sensor and/or temperature sensor acquisition or the controller of closing.Such as, pressure sensor or temperature sensor can be arranged on to be handled in the space, when filter core stops up, the pressure and temperature of handling in the space will uprise, controller can compare these information and the predefined data that obtain, thereby open dust pelletizing system automatically the dust on the filter core is come off, when pressure and/or temperature just often dust pelletizing system automatically close.
Selectively, dust pelletizing system is provided with the timing controller that is used for time opening and closes dust pelletizing system, so that automatically open dust pelletizing system and automatically close dust pelletizing system after the work regular hour through certain time interval.
Particularly, dust removal brush comprises by the corresponding brush axle that drives of driver part and is fixed on the brush silk of brushing on the axle.Wherein, driver part is at least one motor and be bound up on transmission mechanism between the electrical machinery and brushing axle.
Selectively, dust removal brush can only rotatablely move, and dust removal brush is along the axial setting of through hole, and the length of dust removal brush is more than or equal to the length of through hole.Preferably, dust removal brush can be for adopting the spiral brush sifter of wave brush silk, and wave brush silk contacts with the inwall of through hole.More preferably, dust pelletizing system also comprises the pulser that is used to make the dust removal brush forward and reverse rotation in interval.
Selectively, dust removal brush can only axially move back and forth, thereby as piston the solid particle on the through hole inwall is brushed.At this moment, the length of dust removal brush can be less than the length of through hole.
Selectively, dust removal brush can be rotated motion in axially reciprocating.
Preferably, filter core can be offered the through hole more than three or three, dust pelletizing system then comprise more than three or three with the corresponding dust removal brush of each through hole.Such as, filter core is offered the through hole more than six or six, dust pelletizing system comprise more than six or six with the corresponding dust removal brush of each through hole.
Selectively, driver part can include only a motor to drive a plurality of dust removal brush simultaneously.Selectively, driver part can comprise the motor more than three or three, so that individually or group by group drive dust removal brush.
Wherein, dust removal brush can be helical form or cylindric, and the material of dust removal brush can be stainless steel, alloy or other exotic materials.In addition, dust removal brush can also adopt other shapes, such as, integral body is hollow cover tubular, and sleeve outer wall is provided with bristle, and bristle contacts with the through hole inwall of filter core, and the sleeve top connects by brush axle and driver part.
Wherein, dust storage chamber is preferably funnel-form, and the dust storage chamber bottom can be provided with the dust export of sealing at ordinary times, opens the solid particle that gathers with taking-up when needed.
The present invention can be applicable to system for rapidly pyrolysing and liquefying biomass.Usually, system for rapidly pyrolysing and liquefying biomass comprises pyrolysis reactor, the gas solid separation subsystem that links to each other with the pyrolysis gas outlet of pyrolysis reactor, the bio oil condensation deposit subsystem that links to each other with the gaseous phase outlet of gas solid separation subsystem and the hot circulating medium heating isolated subsystem that links to each other with the solid phase outlet of gas solid separation subsystem.Wherein, the gas solid separation subsystem generally comprises at least one high temperature whirlwind initial separator and at least one and is used for High Temperature Gas solid separator with the remaining solid particle separation.That is, gas-solid separating device of the present invention can be used as the High Temperature Gas solid separator of this system.
Specifically at system for rapidly pyrolysing and liquefying biomass, the elevated temperature heat of the thick gas inlet of gas-solid separating device and the pyrolysis reactor of system for rapidly pyrolysing and liquefying biomass is vented one's spleen to export and is linked to each other.The gas vent of gas-solid separating device is vented one's spleen to enter the mouth with the elevated temperature heat of the bio oil condensation deposit subsystem of system for rapidly pyrolysing and liquefying biomass and is linked to each other.
In addition, the member of gas-solid separating device can adopt exotic material preparation, makes that gas-solid separating device of the present invention can be in the high-temperature operation below 900 ℃, loss of yield and the pipeline blockage of avoiding the condensation liquefaction because of gas to cause.Gas-solid separating device of the present invention can at high temperature thoroughly separate organic steam with the living beings ash with heat carrier under hot conditions, thereby has guaranteed the cleanliness factor of bio oil, the difficulty of having avoided biological subsequent treatment to bring.
For the hot operation occasion, can adopt the stainless steel sintered filter core, avoided common filtering material non-refractory, also avoided material softening under hot conditions.
In addition, the present invention can also be applied to other occasion that need carry out gas solid separation, such as dust separation system.
The invention has the beneficial effects as follows: 1. adopt dust removal brush will brush attached to the solid particle on the filter core through hole inwall effectively, avoid the phenomenon that solid particle stops up filter core takes place, thereby guaranteed the stable operation of installing; 2. by adopting sensor and controller and/or timing controller, dust pelletizing system can be according to the opening and closing automatically of device ruuning situation, and manually-operated trouble has been avoided in perhaps periodically opening and closing, and does not need the operate as normal of pause device; 3. adopt gas from the path that the filter core internal diameter is gone out, be beneficial to the running of rotating brush and coming off of particle, improved the efficient of whole device, adopt the stainless steel wire brush, the brush silk adopts wave brush silk, helps strengthening the intensity and the bristle toughness at high temperature of bristle; 4. adopt pulser to control forward and reverse rotation of dust removal brush, forward and reverse rotation at interval can avoid bristle to the oblique trend of a certain inclination, is beneficial to the brush silk and contacts with the tight of filter core, has improved efficiency of dust collection; 5. gas-solid separating device of the present invention has high temperature resistant, the efficiency of dust collection height, and the rate of filtration is fast, is difficult for taking place characteristics such as obstruction, and the temperature of hot precipitator than before is increased to more than 800-900 ℃, has very wide range of application.
Below in conjunction with drawings and Examples, further specify the present invention, but the present invention is not limited to these embodiment, any on essence spirit of the present invention improvement or substitute, still belong to scope required for protection in claims of the present invention.
Description of drawings
Fig. 1 has the schematic diagram of the gas-solid separating device of dust removal brush for the present invention.
The specific embodiment
Embodiment 1
In the present embodiment, the gas-solid separating device with dust removal brush of the present invention is applied to system for rapidly pyrolysing and liquefying biomass.Wherein, system for rapidly pyrolysing and liquefying biomass generally comprises a high temperature whirlwind initial separator and a High Temperature Gas solid separator that is used for the remaining solid particle separation.Gas-solid separating device of the present invention can be used as the High Temperature Gas solid separator of this system.
Please refer to Fig. 1, gas-solid separating device of the present invention comprises that inside is provided with device body 100, the thick gas inlet 125 that is arranged at device body 100 1 sides, the gas vent 155 that is arranged at device body 100 opposite sides of handling the space, is formed at the inlet plenum 120 of handling top, space, is formed at the dust storage chamber 150 of handling the bottom, space, is arranged on and handles in the space and with inlet plenum 120 and dust storage chamber 150 separated filter cores 200 and comprise driver part 350 and the dust pelletizing system of six dust removal brush 320.
Wherein, filter core 200 is offered the through hole 202 of six connection inlet plenums 120 and dust storage chamber 150.Thick gas inlet 125 is communicated with inlet plenum 120.The sidewall 205 of filter core 200 is sealed gas vent 155.
Each dust removal brush 320 correspondence is arranged in each through hole 202.Dust removal brush 320 is along the axial setting of through hole 202, and the length of dust removal brush 320 approximates the length of through hole 202.Wherein, each dust removal brush 320 comprises brush axle 310 and is fixed on the brush silk of brushing on the axle 310.In the present embodiment, dust removal brush 320 is for adopting the spiral brush sifter of wave brush silk, and wave brush silk contacts with the inwall of through hole 202.
Brush axle 310 can be driven parts 350 (being motor in the present embodiment) by transmission device 380 and drive, thereby dust removal brush 320 can rotate in through hole 202.Particularly, when gas-solid separating device was worked, dust removal brush 320 kept low-speed running always, thereby constantly will dispose attached to the solid particle on through hole 202 inwalls.
Specifically at system for rapidly pyrolysing and liquefying biomass, thick gas inlet 145 will link to each other with the outlet of venting one's spleen of the elevated temperature heat of the pyrolysis reactor of system for rapidly pyrolysing and liquefying biomass.Gas vent 125 will link to each other with the elevated temperature heat of the bio oil condensation of the system for rapidly pyrolysing and liquefying biomass deposit subsystem inlet of venting one's spleen.
The course of work of this device is as follows: gas is from the thick gas 145 access to plant bodies 100 that enter the mouth, and enters filter core 200 from the inwall of the through hole 202 of filter core 200, passes filter core 200 and enters follow-up condenser system from gas vent 125.Therefore, solid particle is stopped by filter core 200 and is attached on the inwall of through hole 202.But, the solid particle that sticks the brush of spiral brush sifter 320 of the present invention action with under will fall into dust storage chamber 150, thereby reduced the resistance that gas passes through filter core 200.
Embodiment 2
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
In the present embodiment, gas-solid separating device of the present invention is applied to the dedusting and purifying air system.And filter core 200 is offered the through hole 202 of ten connection inlet plenums 120 and dust storage chamber 150, and dust pelletizing system then correspondence is provided with ten dust removal brush 320.
Dust pelletizing system is provided with the pressure sensor (figure does not show) that is used for the sense gasses state variation, and is used for information control dust pelletizing system startup that obtains according to pressure sensor or the controller (figure does not show) of closing.Pressure sensor is arranged on to be handled in the space, when filter core stops up, the pressure of handling in the space will uprise, controller can compare these information and the predefined data that obtain, thereby open dust pelletizing system automatically the dust on the filter core is come off, when pressure just often dust pelletizing system automatically close.
In addition, dust removal brush 320 axially moves back and forth under the effect of driver part 350 and transmission mechanism 380, thereby as piston the solid particle on through hole 202 inwalls is brushed.And the length of dust removal brush 320 is about 1/2nd of through hole 202 length.
Embodiment 3
As another kind of scheme of the present invention, other parts are identical with embodiment 1, and difference is:
Dust pelletizing system is provided with the timing controller (figure does not show) that is used for time opening and closes dust pelletizing system, so that automatically open dust pelletizing system and automatically close dust pelletizing system after the work regular hour through certain time interval.
Dust pelletizing system also comprises the pulser (figure does not show) that is used to make the dust removal brush 320 forward and reverse rotations in interval.
Driver part 350 comprises three motors, a pair of dust removal brush 320 of each motor-driven.
Claims (7)
1. gas-solid separating device with dust removal brush, comprise that inside is provided with the device body of handling the space, be arranged at the thick gas inlet of described device body one side, be arranged at the gas vent of described device body opposite side, be formed at the inlet plenum on top, described processing space, be formed at the dust storage chamber of bottom, described processing space, and be arranged in the described processing space and with described inlet plenum and the separated filter core of described dust storage chamber, described filter core is offered at least one through hole that is communicated with described inlet plenum and described dust storage chamber, described thick gas inlet is communicated with described inlet plenum, the sidewall of described filter core is sealed described gas vent, it is characterized in that, described gas-solid separating device further comprises dust pelletizing system, and described dust pelletizing system comprises that driver part and at least one can rotate and/or reciprocating dust removal brush in described at least one through hole in correspondence under the driving of described driver part; Described dust removal brush is along the axial setting of described through hole, and the length of described dust removal brush is more than or equal to the length of described through hole; Described dust pelletizing system is provided with pressure sensor and/or the temperature sensor that is used for the sense gasses state variation, and is used for controlling the controller that described dust pelletizing system starts or closes according to the information of described pressure sensor and/or temperature sensor acquisition.
2. gas-solid separating device as claimed in claim 1 is characterized in that, described dust removal brush comprises by the corresponding brush axle that drives of described driver part and is fixed on the described brush silk of brushing on the axle.
3. gas-solid separating device as claimed in claim 2 is characterized in that, described driver part is at least one motor and be bound up on described motor and the described transmission mechanism of brushing between the axle.
4. gas-solid separating device as claimed in claim 1 is characterized in that, described dust removal brush is for adopting the spiral brush sifter of wave brush silk, and described wave brush silk contacts with the inwall of described through hole.
5. gas-solid separating device as claimed in claim 1 is characterized in that, described filter core is offered the described through hole more than three or three, described dust pelletizing system comprise more than three or three with the corresponding dust removal brush of each described through hole.
6. gas-solid separating device as claimed in claim 1 is characterized in that, described dust pelletizing system is provided with the timing controller that is used for time opening and closes described dust pelletizing system.
7. gas-solid separating device as claimed in claim 1 is characterized in that, described dust pelletizing system also comprises the pulser that is used to make the described dust removal brush forward and reverse rotation in interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100268912A CN101537282B (en) | 2008-03-19 | 2008-03-19 | Gas-solid separation device with dusting brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100268912A CN101537282B (en) | 2008-03-19 | 2008-03-19 | Gas-solid separation device with dusting brush |
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| Publication Number | Publication Date |
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| CN101537282A CN101537282A (en) | 2009-09-23 |
| CN101537282B true CN101537282B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100268912A Active CN101537282B (en) | 2008-03-19 | 2008-03-19 | Gas-solid separation device with dusting brush |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103537148B (en) * | 2013-10-12 | 2016-06-01 | 河南龙成煤高效技术应用有限公司 | A kind of gas solid separation filter core and cartridge surface Special dedusting device |
| CN109499202B (en) * | 2019-01-07 | 2021-04-27 | 华北电力大学（保定） | Filter equipment for air purification |
| CN109731441A (en) * | 2019-03-11 | 2019-05-10 | 杨松 | A kind of improvement low concentration VOCs exhaust gas moving bed operation method |
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| DE3502971A1 (en) * | 1985-01-30 | 1986-05-07 | Johann Baptist Rombach Gmbh & Co Kg, 7500 Karlsruhe | Filter for purifying flowing gases |
| DE3744677A1 (en) * | 1987-03-12 | 1988-09-22 | Paul J M Haufe | Device for preparing, in particular filtering, room air |
| CN2083065U (en) * | 1990-12-29 | 1991-08-21 | 林成科 | Self-cleaning air filter |
| CN2355772Y (en) * | 1998-12-26 | 1999-12-29 | 王朝华 | High efficiency dust remover |
| CN200976529Y (en) * | 2005-12-17 | 2007-11-14 | 吴雳鸣 | Full-automatic carbon powder purification apparatus |
| CN201175626Y (en) * | 2008-03-19 | 2009-01-07 | 广州迪森热能技术股份有限公司 | Gas-solid separator with dust cleaning brush |
-
2008
- 2008-03-19 CN CN2008100268912A patent/CN101537282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3502971A1 (en) * | 1985-01-30 | 1986-05-07 | Johann Baptist Rombach Gmbh & Co Kg, 7500 Karlsruhe | Filter for purifying flowing gases |
| DE3744677A1 (en) * | 1987-03-12 | 1988-09-22 | Paul J M Haufe | Device for preparing, in particular filtering, room air |
| CN2083065U (en) * | 1990-12-29 | 1991-08-21 | 林成科 | Self-cleaning air filter |
| CN2355772Y (en) * | 1998-12-26 | 1999-12-29 | 王朝华 | High efficiency dust remover |
| CN200976529Y (en) * | 2005-12-17 | 2007-11-14 | 吴雳鸣 | Full-automatic carbon powder purification apparatus |
| CN201175626Y (en) * | 2008-03-19 | 2009-01-07 | 广州迪森热能技术股份有限公司 | Gas-solid separator with dust cleaning brush |
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Address after: 510530, 42 East Road, Guangzhou economic and Technological Development Zone Patentee after: Disen Thermal Energy Technology Co., Ltd., Guangzhou Address before: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone East Wang Ming Road Addison Industrial Park Patentee before: Disen Thermal Energy Technology Co., Ltd., Guangzhou |