CN107511273B - Dust collector and long-acting haze combination formula air conditioning unit that removes of laying dust formula - Google Patents
Dust collector and long-acting haze combination formula air conditioning unit that removes of laying dust formula Download PDFInfo
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- CN107511273B CN107511273B CN201710876655.9A CN201710876655A CN107511273B CN 107511273 B CN107511273 B CN 107511273B CN 201710876655 A CN201710876655 A CN 201710876655A CN 107511273 B CN107511273 B CN 107511273B
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- 239000000428 dust Substances 0.000 title claims abstract description 117
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 34
- 238000009825 accumulation Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012717 electrostatic precipitator Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000012716 precipitator Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/183—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by centrifugal separation, e.g. using vortices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
- B04C2009/001—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with means for electrostatic separation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cyclones (AREA)
Abstract
The invention discloses a dust collector and dust accumulation type long-acting haze removal combined air conditioning unit. The dust collector includes: the electrostatic dust collection device comprises an electrostatic dust collection cylinder, a cyclone dust collection cylinder, a dust accumulation cylinder and a particle collection disc which are connected in sequence; one end of an air inlet pipeline is a fresh air inlet, the other end of the air inlet pipeline penetrates through the center of the closed top of the electrostatic dust collection cylinder and extends to the lower part of the cyclone dust collection cylinder in the axial direction, the lower port of the air inlet pipeline is opposite to a conical wind shield, and the wind shield is supported by a plurality of supporting rods extending out of the lower part of the dust collection cylinder; the outer wall of the air inlet pipeline corresponding to one section of the cyclone dust removal cylinder body is provided with a spiral guide plate; a fresh air outlet is arranged at the upper part of the wall of the electrostatic dust removal cylinder, and a plurality of discharging rods are annularly arranged on the inner wall of the top between the electrostatic dust removal cylinder and the air inlet pipeline; discharge electrodes are uniformly distributed on the inner wall of the dust accumulation barrel. The air conditioning unit comprises a unit shell, and a dust accumulation section, a mixing section, a filtering section, a surface cooling section and a fan section which are sequentially communicated in the unit shell. The air conditioning unit removes most of particulate matters from outdoor fresh air through the dust collector and is combined with the functional sections such as the subsequent filtering section, so that the purpose of long-acting haze removal is realized.
Description
Technical Field
The invention relates to the field of air conditioning systems, in particular to a dust collector for large public places such as markets, hospitals and the like and a combined air conditioning unit capable of removing haze for a long time.
Background
At present, as air pollution is aggravated, and as the quality of life level of people is continuously improved, haze weather has become an important point of attention. Various haze removal units are also on the market, although the units can remove PM10, PM2.5 and other tiny particles, and the cleanliness of indoor air is greatly improved. However, because the filter equipment cannot be reused, the frequency of maintenance of the units is too high, especially in the north, haze and floating dust sometimes occur, and the filter equipment needs to be replaced almost once in two weeks, so that money and time are wasted. If the filter equipment cannot be replaced and maintained in time, the unit cannot play a role in removing haze, and the treated air generates secondary pollution and the like due to harmful substances accumulated on the filter and other equipment. The method can reduce the life quality of people in an intangible way, especially for public places such as large markets, hospitals and the like with high requirements on air cleanliness, namely, the sanitation of air can not be ensured, and the maintenance cost and the precious maintenance time of the unit are greatly increased.
Therefore, developing a haze removal combined air conditioning unit with simple structure, low cost, high filtering performance, good cleaning effect and long service life is a problem to be solved in industry.
Disclosure of Invention
The invention provides a dust collector and a haze removal combined air conditioner unit, which are simple and reasonable in structure, low in manufacturing cost, good in filtering performance, good in cleaning effect and long in service life, and aim to solve the technical problem that when the existing haze removal unit operates, a large amount of tiny particles in air are easy to deposit on a filter material, so that the filtering effect is continuously attenuated along with the running time. The dust collector with a special structure is used for overcoming the defect that the existing haze removing unit often needs to replace filter equipment.
The invention provides a dust collector, which comprises: an electrostatic dust removal cylinder, a cyclone dust removal cylinder, a dust accumulation cylinder and a particle collecting disc which are connected in sequence in the axial direction; one end of an air inlet pipeline is a fresh air inlet, the other end of the air inlet pipeline penetrates through the center of the closed top of the electrostatic dust collection cylinder and extends to the lower part of the cyclone dust collection cylinder in the axial direction, a lower port of the air inlet pipeline is opposite to a conical wind deflector, and the wind deflector is supported by a plurality of support rods extending out of the lower part of the dust collection cylinder; the outer wall of the air inlet pipeline corresponding to one section of the cyclone dust removal cylinder body is provided with a spiral guide plate; a fresh air outlet is arranged at the upper part of the wall of the electrostatic dust removal cylinder, and a plurality of discharging rods are annularly arranged on the inner wall of the top part between the electrostatic dust removal cylinder and the air inlet pipeline; discharge electrodes are uniformly distributed on the inner wall of the dust accumulation barrel.
Preferably, the electrostatic dust collection cylinder body can be cylindrical, and the cyclone dust collection cylinder body and the dust accumulation cylinder body can be truncated cone-shaped.
Preferably, a fresh air inlet of the air inlet pipeline extending out of the top of the electrostatic dust collection cylinder body is bent.
Preferably, the particle collecting disc is in a bent pipeline shape, one end of the particle collecting disc is connected with the dust accumulation barrel, and the other end of the particle collecting disc is provided with a valve.
The invention also provides a long-acting haze removal combined air conditioning unit with the dust collector, which comprises: the unit shell and locate in the unit shell open long-pending dirt section, the mixed section, the filter segment of fresh air wind gap, surface air cooling section and open the fan section that has the air supply export of intercommunication in proper order, the integrator locate long-pending dirt section in.
Preferably, the fresh air inlet of the integrator is in butt joint with a fresh air port of the dust accumulation section on the unit shell, the fresh air outlet of the integrator is communicated with the mixing section through a fresh air valve, the particle collecting disc of the integrator is communicated with the outside of the unit shell, and the unit shell of the mixing section is also provided with a return air valve.
Preferably, the filter section at least comprises one of a primary filter, a medium-efficiency filter and a high-efficiency filter.
Preferably, the surface cooling section is provided with a surface cooler for cooling or heating fresh air sent by the filtering section, and the bottom of the surface cooler is provided with a water receiving disc and a drain pipe for communicating the water receiving disc with the outside.
Preferably, the fan section is provided with a fan for extracting fresh air and sending the fresh air and a motor for driving the fan to work.
The invention adopts the air purifying method that the front section is provided with the dust collector for pretreatment and then is added with various combined filtering sections of the rear section, thereby effectively removing harmful particles in haze air. The sucked outdoor air removes most of tiny particles through the actions of inertial dust removal, cyclone dust removal, electric dust removal and the like of a dust collector, so that the filtering working strength of a subsequent filtering section is reduced; the dust accumulation section collects and discharges tiny particles through the 12 collector, so that normal operation of the unit is not affected, and uninterrupted operation of the unit is realized; through the combination mode of the dust accumulation section and the filtering section, the service life of the filter is greatly prolonged, and the maintenance frequency of the unit is greatly reduced. Through the long-term repetitive work of dust collector, effectually solved haze device among the prior art, not carry out humanized design, need often maintain the problem of spare part such as change filter equipment. If the traditional machine set is not maintained for a long time, not only the haze removal effect can not be achieved, but also the treated air is caused to produce secondary pollution and the like due to harmful substances accumulated on equipment such as a filter and the like. The haze removing unit has the characteristics of no need of maintenance of the dust collector, capability of ensuring long-time uninterrupted operation of the unit without secondary pollution and the like, and has the advantages of simple structure, good purifying effect, multiple combination modes, low cost, long service life and strong practicability.
Drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the dust collector of the present invention;
FIG. 2 is a cross-sectional view of a preferred embodiment of a dust retention type long-acting haze removal combined air conditioning unit according to the present invention;
fig. 3 is a schematic diagram of a dust accumulation type long-acting haze removal combined air conditioning unit for adjusting a fresh air valve and a return air valve.
Wherein, 1-fresh air inlet, 2-dust collector, 3-fresh air valve, 4-return air valve, 5 filter, 6 surface cooler, 7-motor, 8-fan, 10-water pan, 11-drain pipe, 12-particle collector; 101-valve, 20-dust-accumulation barrel, 30-discharge electrode, 40-wind shield, 50-cyclone dust-collection barrel, 60-spiral guide plate, 70-electrostatic dust-collection barrel, 80-discharge rod, 90-fresh air outlet, 100-fresh air inlet and 110 air inlet pipeline.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in FIG. 1, the preferred embodiment of the dust collector of the present invention has a cross-sectional structure. The dust collector includes: a cylindrical electrostatic precipitator cylinder 70, a truncated cone-shaped cyclone precipitator cylinder 50, a truncated cone-shaped dust accumulation cylinder 20 and a particle collecting tray 12 which are axially connected in sequence from top to bottom. One end of an air inlet pipeline 110 is a fresh air inlet 100, the other end passes through the top center of the electrostatic dust collection barrel 70 and extends to the lower part of the cyclone dust collection barrel 50 along the axial direction, the lower port of the air inlet pipeline is opposite to a conical wind deflector 40, and the wind deflector 40 is supported by a plurality of support rods 120 which are arranged at annular intervals and extend out of the lower part of the dust collection barrel 20. The electrostatic precipitator cylinder 70 is closed. The air inlet pipe 110 is provided with a spiral deflector 60 on the outer wall corresponding to a section of the cyclone cylinder 50. The upper part of the wall of the electrostatic dust removal barrel 70 is provided with a fresh air outlet 90, and a plurality of discharging rods 80 are annularly arranged on the inner wall of the top part between the electrostatic dust removal barrel 70 and the air inlet pipeline 110. Discharge electrodes 30 are uniformly distributed on the inner wall of the dust accumulation barrel 20. In this embodiment, the fresh air inlet 100 of the air inlet pipe 110 extending out of the top of the electrostatic precipitator cylinder 70 is bent. The particle collecting tray 12 is in the shape of a bent pipe, one end of which is connected with the dust accumulation barrel 20, and the other end of which is provided with a valve 101.
The invention also provides a long-acting haze removal combined air conditioning unit with the dust collector, which comprises a unit shell, and a dust accumulation section, a mixing section, a filtering section, a surface cooling section and a fan section, wherein the dust accumulation section, the mixing section, the filtering section, the surface cooling section and the fan section are sequentially communicated, the fan section is provided with a fresh air outlet 9, and the integrator 2 is arranged in the dust accumulation section. In this embodiment, the fresh air inlet 100 of the integrator is in butt joint with the fresh air port 1 of the dust accumulation section on the unit housing, the fresh air outlet 90 of the integrator 2 is communicated with the mixing section through a fresh air valve 3, the particle collecting tray 12 of the integrator 2 is communicated with the outside of the unit housing, and the unit housing of the mixing section is also provided with a return air valve 4. The filter section comprises at least one filter 5 of a primary filter, a medium filter and a high efficiency filter. The method can be used by selecting a primary filter, a medium-efficiency filter and a high-efficiency filter to be used in any combination according to different requirements of purification and dust removal according to national standard GB/T14295-2008 (the old national standard is GB/T14295-1993). The surface cooling section is provided with a surface cooler 6 for cooling or heating the fresh air sent by the filtering section, and the bottom of the surface cooler is provided with a water receiving disc 10 and a drain pipe 11 for communicating the water receiving disc with the outside. The fan section is provided with a fan 8 for extracting fresh air and sending out fresh air and a motor 7 for driving the fan 8 to work.
As shown in fig. 2, the outdoor fresh air sucked by the air conditioning unit of the invention is removed most harmful particles in the dust accumulation section through the dust collector 2, the air fed through the fresh air valve 3 and the air returned through the return air valve 4 are mixed in the mixing section and then enter the combined filter 5 of the filtering section (the combined filter can be selected according to the requirements of application places and referring to the national standard as the free combination of the filters of primary effect G4, G5, medium effect F6, F7, F8 or high efficiency G12), then are subjected to refrigeration or heating treatment through the surface cooler 6, and finally fresh and clean air is fed into the field through the air supply port 9 by the fan section, thus completing the task.
Referring to fig. 1, the dust collector 2 is operated such that outdoor air sucked from the fresh air inlet 100 is firstly subjected to inertial dust removal in the air inlet pipe 110 to flow to the wind shield 40 to remove larger pollution particles, and then collected in the dust collecting barrel 20, and then air flow coming out of the lower port of the air inlet pipe 110 is subjected to cyclone rising through the spiral guide plates 60 around the air inlet pipe 110, and at this time, part of pollution particles are removed by centrifugal force and self gravity of particles, and the rising air flow is discharged through the discharge rod 80 to charge the residual particles in the air flow, and meanwhile, the residual particles are collected in the dust collecting barrel 20 again by the discharge of the discharge electrode 30 and the gravity action of the particles. Because the upper layer particles in the electrostatic dust removal barrel 70 are charged, the movement direction of the particles is opposite to the rising direction of the air flow, and the charged particles move reversely, the particles are gathered more and more, so that the purification efficiency is improved, and finally fresh air subjected to pre-dust removal is sent into the mixing section of the unit through the fresh air outlet 90, the particles are gathered at the particle collection tray 12, and the sealing and the dust discharge outwards are realized by the valve 101.
The air treated by the dust collector 2 has most of particulate matters removed, and enters a mixing section for other treatment through a fresh air valve 3. The laying dust section can work uninterruptedly, and does not need to carry out frequent maintenance, most harmful particles have also been got rid of to the air after the processing, have greatly reduced the filtration intensity of follow-up filtration section, have consequently ensured the long-term utilization of this haze combination air conditioner that removes. As shown in fig. 3, when fresh air is not required to be input, the fresh air inlet 1 and the fresh air valve 3 of the dust collector 2 can be closed; when all fresh air is needed, the fresh air inlet 1 and the fresh air valve 3 of the dust collector 2 can be opened, and the return air valve 4 can be closed; the fresh air valve 3 and the return air valve 4 can be controlled simultaneously to freely allocate fresh air return air quantity, different requirements are met, and efficient operation of the unit is guaranteed.
The outdoor fresh air is passed through the dust collector to remove most of particulate matters, and is combined with the functional sections such as the subsequent filtering sections (various filtering combination forms) to realize the purpose of long-acting haze removal. The dust collector integrates the advantages of inertial dust removal, cyclone dust removal, electric dust removal and the like through innovative design development; the method utilizes the working principle of an inertial dust remover to remove pollutants above 10 microns, utilizes the principle of a cyclone dust remover to partially remove tiny particles, utilizes the principle of an electric dust remover to remove most of particles, and achieves the sterilization effect.
The above-described embodiments are mainly for illustrating the inventive concept, and it should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the inventive concept, which fall within the scope of the present invention.
Claims (9)
1. The dust collector is characterized by comprising an electrostatic dust collection cylinder (70), a cyclone dust collection cylinder (50), a dust accumulation cylinder (20) and a particle collection disc (12) which are connected in sequence in the axial direction; one end of an air inlet pipeline (110) is a fresh air inlet (100), the other end of the air inlet pipeline passes through the closed top center of the electrostatic dust collection cylinder (70) and extends to the lower part of the cyclone dust collection cylinder (50) along the axial direction, the lower port of the air inlet pipeline is opposite to a conical wind deflector (40), and the wind deflector (40) is supported by a plurality of supporting rods extending out of the lower part of the dust collection cylinder (20); the outer wall of one section of the air inlet pipeline (110) positioned in the cyclone dust collection cylinder (50) is provided with a spiral guide plate (60); the upper part of the cylinder wall of the electrostatic dust collection cylinder (70) is provided with a fresh air outlet (90), and a plurality of discharging rods (80) are annularly arranged on the inner wall of the top part between the electrostatic dust collection cylinder (70) and the air inlet pipeline (110); discharge electrodes (30) are uniformly distributed on the inner wall of the dust accumulation barrel body (20).
2. The dust collector of claim 1, wherein the electrostatic precipitator cylinder (70) is cylindrical, and the cyclone precipitator cylinder (50) and the dust accumulation cylinder (20) are both truncated cone-shaped.
3. A dust collector as claimed in claim 1, characterized in that the fresh air inlet (100) of the air inlet duct (110) extending out of the top of the electrostatic precipitator cylinder (70) is bent.
4. A dust collector as claimed in claim 1, characterized in that the particle collecting disc (12) is in the form of a bent pipe, one end of which is connected to the dust collecting cylinder (20) and the other end of which is provided with a valve (101).
5. The long-acting haze combination type air conditioning unit with the dust collector comprises a unit shell, and is characterized in that a dust accumulation section, a mixing section, a filtering section, a surface cooling section and a fan section with an air supply outlet (9) which are sequentially communicated are arranged in the unit shell, wherein the dust accumulation section is provided with a fresh air port (1), and the dust collector (2) is arranged in the dust accumulation section.
6. The air conditioning unit according to claim 5, wherein the fresh air inlet (100) of the dust collector is in butt joint with the fresh air inlet (1) of the dust accumulation section arranged on the unit shell, the fresh air outlet (90) of the dust collector (2) is communicated with the mixing section through a fresh air valve (3), the particle collecting disc (12) of the dust collector (2) is communicated with the outside of the unit shell, and the unit shell of the mixing section is also provided with a return air valve (4).
7. The air conditioning assembly according to claim 5, wherein the filter section includes a filter (5) of at least one of a primary filter, a medium efficiency filter, and a high efficiency filter.
8. The air conditioning unit according to claim 5, wherein the surface cooling section is provided with a surface cooler (6) for cooling or heating fresh air sent from the filtering section, and a water receiving tray (10) and a drain pipe (11) for communicating the water receiving tray with the outside are arranged at the bottom of the surface cooler.
9. An air conditioning unit according to claim 5, characterized in that the fan section is provided with a fan (8) for drawing fresh air and sending fresh air and a motor (7) for driving the fan (8) to operate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876655.9A CN107511273B (en) | 2017-09-25 | 2017-09-25 | Dust collector and long-acting haze combination formula air conditioning unit that removes of laying dust formula |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710876655.9A CN107511273B (en) | 2017-09-25 | 2017-09-25 | Dust collector and long-acting haze combination formula air conditioning unit that removes of laying dust formula |
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| CN107511273B true CN107511273B (en) | 2023-05-05 |
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| CN109654607B (en) * | 2018-12-10 | 2021-03-16 | 江苏光明环境设备有限公司 | Combined air conditioning unit |
| WO2021062350A1 (en) * | 2019-09-27 | 2021-04-01 | Auburn University | Electrospray vortical flow exchanger |
| CN114749278A (en) * | 2022-04-01 | 2022-07-15 | 珠海格力电器股份有限公司 | Electrode structure, plasma generating device and air purifier |
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| JP4365245B2 (en) * | 2004-03-16 | 2009-11-18 | 日本原子力発電株式会社 | Dust monitor |
| KR20070069778A (en) * | 2005-12-28 | 2007-07-03 | 삼성전자주식회사 | A cyclone air purifier |
| CN201059699Y (en) * | 2007-05-23 | 2008-05-14 | 东莞市广大制冷有限公司 | Large air quantity combined air-conditioner machine group |
| CN102366700A (en) * | 2011-09-15 | 2012-03-07 | 安徽省元琛环保科技有限公司 | Cyclone electric-bag pulse filter cylinder separator |
| CN203091140U (en) * | 2013-03-04 | 2013-07-31 | 东北师范大学 | Static cyclone dust removal system based on voltage regulation |
| CN103263815B (en) * | 2013-05-02 | 2015-06-10 | 洛阳理工学院 | Horizontal electric dust collector with integrated gravity cyclone dust collection function |
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| CN205164406U (en) * | 2015-11-12 | 2016-04-20 | 东莞市常德五金机械厂 | Multi -stage purification device |
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