CN201287014Y - High-efficiency self-cleaning air purification system - Google Patents

High-efficiency self-cleaning air purification system Download PDF

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Publication number
CN201287014Y
CN201287014Y CNU2008201231164U CN200820123116U CN201287014Y CN 201287014 Y CN201287014 Y CN 201287014Y CN U2008201231164 U CNU2008201231164 U CN U2008201231164U CN 200820123116 U CN200820123116 U CN 200820123116U CN 201287014 Y CN201287014 Y CN 201287014Y
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China
Prior art keywords
air
filter
filtering
filtering system
cleaning
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Expired - Lifetime
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CNU2008201231164U
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Chinese (zh)
Inventor
敖顺荣
卢家瑞
李宝英
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Beijing Comfort Technologies Co., Ltd.
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BEIJING COMFORT ENVIRONMENTAL CONTROL Co Ltd
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Priority to CNU2008201231164U priority Critical patent/CN201287014Y/en
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Abstract

The utility model relates to an efficient self-cleaning air filtering system which comprises a plurality of filtering units with channel-shaped cross sections formed by connecting three square filter plates through a connecting piece. The filtering units are connected into a folding type filtering device; the filtering device is closely mounted in an airflow transmission channel; and a cleaning device is mounted at the air outlet of the filtering device. The filtering units in the air filtering system are mounted into rectangular channel structures which are connected with each other, so as to greatly increase the filtering area, reduce the filtering wind speed and the filtering resistance, and save the running energy consumption of an air-conditioning fan. The utility model obtains larger dust accommodating capacity (30 to 35 mg/cm<2>) and higher filtering efficiency. According to the situation of pressure loss on the air inlet and outlet sides of the filtering device, the filtering device can be cleaned automatically and the resistance loss of the filtering device is always maintained within the smaller scope of 50 Pa to 300 Pa; so that the running energy consumption of the air-conditioning fan is saved. Because the filtering materials are cleaned automatically and reused, the labor cost and the maintenance cost of replacing the filtering device in the system are saved greatly.

Description

The high-efficiency self-cleaning air filtering system
Technical field
The utility model relates to a kind of air filtering system, is specifically to be used for central ventilation and air conditioning system, adopts the board-like high-efficiency air filtering device of multilayer stainless steel fibre, and is furnished with automatic flushing device.
Background technology
No matter be the civil building of human living or office, or the industrial building of modern production, keeping indoor air clean is to guarantee that the mankind are healthy and increase work efficiency necessary.Air filter is the key facility that improves the building indoor air quality as the indispensable parts of constructure ventilation air-conditioning system, and its filter effect, operation energy consumption and maintenance cost have caused the extensive concern of industry.
At present, all adopt filter that air is filtered in the air inlet of ventilation and air conditioning system, filtering material generally adopts glass fibre, chemical fibre, resin or nonwoven etc. to be made.There is following shortcoming in the air filter of this quasi-tradition:
1. its dust containing capacity will reach capacity after filter uses a period of time, need this moment manually filter is removed cleaning, or directly scrap and more renew filter.Therefore, for the bigger application scenario of air inlet dust content, filter is changed and is cleaned frequently, and labour intensity is big, the operating cost height.
2. because frequent dismounting filter, make to contact imprecision between filter and the transmission pipeline that air leakage phenomena takes place, and filter efficiency obviously descends, thereby influences the equipment runnability and the indoor air qualities such as heat exchange coil, blower fan of air-conditioning system.
3. filtrate and version that conventional air filter adopts can not realize automatic cleaning function basically, the occasion big for the air inlet dust content, that the air cleaning class is had relatively high expectations, air filter is through the work under the high-drag loss state of being everlasting, and this makes the fan operation energy consumption of ventilation and air conditioning system strengthen.
The utility model content
The technical problems to be solved in the utility model provides a kind of air filter that possesses automatic cleaning function, improve air purification effect, and can guarantee that filter works all the time under lower resistance loss, save the high-efficiency self-cleaning air filtering system of system's operation energy consumption.
The utility model high-efficiency self-cleaning air filtering system comprises several three type filter elements that connected and composed by connector by three square filters; Connector comprises 4 crossbeams selecting for use section bar to make, 2 tail trimmers and 4 vertical beams, crossbeam, tail trimmer and vertical beam are fixedly connected into main frame by 8 angle threeways that are mutually the right angle, around the filter with main frame on recess equipped, and on three limits, it is fixed with card article and rubber strip; The openend of adjacent two filter elements is fixedly connected by other 2 tail trimmers, and is provided with and the tail trimmer dividing plate that sealing is connected with vertical beam in its outside, and several filter elements are connected into collapsible filter; Sealing is connected with base plate with cover plate respectively for the top of filter and bottom, and base plate seals with the bottom bracket that is provided with tank and be connected, and is provided with the through hole that is communicated with tank on base plate, and tank is provided with discharge outlet; The right side of filter is an air inlet, and its left side is an air outlet; The filter sealing is installed in the air-flow transmission channel, at filter air-out oral-lateral cleaning device is housed.
The utility model high-efficiency self-cleaning air filtering system, wherein filter comprises that also 2 are gone up deep bead and 2 side deep beads, the bottom of every last deep bead closes with the air outlet side seal with the air intake oral-lateral of cover plate respectively and is connected, and all the other limits are connected with the sealing of air-flow transmission channel; One side of every side deep bead is connected with the vertical beam sealing of the air-out oral-lateral ragged edge of filter respectively, and all the other limits are sealed with the last deep bead of air-flow transmission channel and air-out oral-lateral and are connected; Bottom bracket also is connected with the sealing of air-flow transmission channel.
The utility model high-efficiency self-cleaning air filtering system, wherein filter comprises that mesh is 20~30 a purposes lining net,, fixedly connected with the frame bar around lining net and the stainless steel cloth along airflow direction porosity stainless steel cloth from large to small at the online superimposed successively several layers of lining.
The utility model high-efficiency self-cleaning air filtering system, wherein cleaning device comprises and vertically is placed in the portal frame that the air-out oral-lateral is formed by connecting by a back timber and two root posts, back timber is fixedlyed connected with the air-flow transmission channel, fixedlys connected with the base anchor that blocks in the bottom bracket groove in the lower end of column; Back timber below is rotationally connected by sleeve block and sprocket shaft, and the two ends of sprocket shaft are connected with another chain gear transmission downwards with chain by sprocket wheel, and an end of sprocket shaft is fixedlyed connected with the output shaft of motor on being fixed on portal frame; Laterally install and fix mobile stand between two chains, fixedly mount feed pipe on mobile stand, the feed pipe entrance point is communicated with high-pressure water by flexible pipe, and its port of export also connects several water spray unit, and extends in the filter element dead slot; Water spray unit comprises at least two jet pipes that are threaded mutually, back water fender and upper and lower water fender, and an end of jet pipe is communicated with the feed pipe port of export, the jet pipe bilateral symmetry nozzle is housed, and wherein one front end also is equipped with nozzle; The central vertical of back water fender is fixed between the jet pipe and the feed pipe port of export, upper and lower water fender is placed in the jet pipe upper and lower respectively, the one end is connected with back water fender vertical fixing, and middle connector support and connection by being with dovetail groove on the dovetails that is connected as a single entity and the jet pipe.
The utility model high-efficiency self-cleaning air filtering system, the sampling pipe of blast differential pressure pickup wherein is housed respectively at air intake oral-lateral and air-out oral-lateral, between the port of export of feed pipe and jet pipe magnetic valve is housed all, the sampling pipe of blast differential pressure pickup, motor and magnetic valve are by being installed in the controller electric connection on the air-flow transmission channel.
The utility model high-efficiency self-cleaning air filtering system, wherein nozzle is a flat, and level is laid, and the axis of the nozzle of adjacent two jet pipe both sides is not on same horizontal plane.
The utility model high-efficiency self-cleaning air filtering system, wherein the side of upper and lower water fender is equipped with hairbrush.
The utility model high-efficiency self-cleaning air filtering system, wherein the two ends of mobile stand are provided with the guide that moves up and down along column.
The utility model high-efficiency self-cleaning air filtering system, wherein the sprocket shaft interlude is a hollow pipe, fixedlys connected with the wheel shaft on both sides by shaft joint.
The utility model high-efficiency self-cleaning air filtering system, wherein square filter are by some same thickness, transversely stacking splicing is formed successively.
The utility model high-efficiency self-cleaning air filtering system has the following advantages:
1. the filter element in the utility model air filtering system adopts multilayer stainless steel wire material, forms porosity gradient from large to small along airflow direction, and the surface is fluffy, and deep layer is closely knit, thereby obtains bigger dust capaciting ability (30~35mg/cm 2) and high filter efficiency (high-medium efficient, F7 level), and brought convenience for the reverse cleaning of water under high pressure.
2. this filtration system is mounted to the rugosity rectangular channel structure that is connected with each other with three type filter elements on the cross section in ventilation shaft or air-conditioning unit, has increased filter area greatly, has reduced filtration velocity and filtration resistance, saves the air-conditioning draught fan operation energy consumption.
3. pass in and out wind pressure at both sides difference situation according to filter in this air filtering system, realize that filter cleans automatically, the filter drag losses is maintained (50Pa~300Pa), saved the operation energy consumption of ventilation and air conditioning system blower fan in the small range all the time.Because filter material is cleaned automatically and is reused, and has saved the maintenance cost of cost of labor and system conversion filter greatly.
4. this air filtering system is when realizing cleaning automatically, and water under high pressure water spray direction is opposite with airflow direction, prevents that the control of dust of filter surface and deep layer is flushed to the outlet air surface of filter, influences the decline of filter efficiency.
Description of drawings
Fig. 1 looks schematic diagram for the utility model high-efficiency self-cleaning air filtering system structural principle master;
Fig. 2 looks schematic diagram for the left side of Fig. 1;
Fig. 3 is the A-A generalized section of Fig. 1;
Fig. 4 is a filter apparatus configuration schematic top plan view in the utility model high-efficiency self-cleaning air filtering system;
Fig. 5 is that the A of Fig. 4 is to schematic diagram;
Fig. 6 is the B-B generalized section of Fig. 5;
Fig. 7 is the C-C generalized section of Fig. 5;
Fig. 8 is four jiaos of syndeton schematic diagrames of filter element main frame among Fig. 4;
Fig. 9 is the local enlarged diagram of filter structural profile among Fig. 4;
Figure 10 looks schematic diagram for cleaning device structure master in the utility model high-efficiency self-cleaning air filtering system;
Figure 11 looks schematic diagram for the left side of Figure 10;
Figure 12 is the D-D generalized section of Figure 10;
Figure 13 is a water spray unit structural profile schematic diagram in the utility model high-efficiency self-cleaning air filtering system;
Figure 14 looks schematic diagram for Figure 13 right side;
Figure 15 is a upper and lower block water plate structure schematic diagram among Figure 13.
The specific embodiment
By Fig. 1~Fig. 4 as seen, the utility model high-efficiency self-cleaning air filtering system comprises two three type filter elements by three square filters 1,1 ' connect and compose by connector; Connector comprises 2,2 tail trimmers 2 of 4 crossbeams of selecting for use section bar to make ' and 4 vertical beams 3, crossbeam 2, tail trimmer 2 ' and vertical beam 3 be fixedly connected into main frame by 8 angle threeways 4 that are mutually the right angle, see Fig. 8 for details; As shown in Figure 9, filter 1,1 ' comprise that mesh is 20~30 a purposes lining net 16, superimposed successively several layers is along airflow direction porosity stainless steel cloth 17 from large to small on lining net 16, fixedly connected with frame bar 18 around lining net 16 and the stainless steel cloth 17, be that filter 1 is identical with filter 1 ' structure, but in different size.Around the filter with main frame on recess equipped, and on three limits, it is fixed with card article 5 and rubber strip 6; The openend of adjacent two filter elements is by other 2 tail trimmers 2 ' fixedly connected, and be provided with in its outside with tail trimmer 2 ' and vertical beam 3 seal the dividing plate 7 that is connected, two filter elements are connected into collapsible filter, see Fig. 5~Fig. 7 for details, wherein big or small two identical filters 1 are parallel to each other and lay, their end of filter 1 ' be positioned at.9 sealings are connected with base plate with cover plate 8 respectively for the top of filter and bottom, and base plate 9 seals with the bottom bracket 11 that is provided with tank 10 and be connected, and are provided with the through hole that is communicated with tank 10 on base plate 9, and tank 10 is provided with discharge outlet; The right side of filter is an air inlet 12, and its left side is an air outlet 13.
The filter sealing is installed in the air-flow transmission channel, it comprises that also 2 are gone up deep bead 14 and 2 side deep beads 15, the bottom of every last deep bead 14 closes with air outlet 13 side seals with air inlet 12 sides of cover plate 8 respectively and is connected, and all the other limits are connected with the sealing of air-flow transmission channel; One side of every side deep bead 15 is connected with vertical beam 3 sealings of the air outlet 15 side ragged edges of filter respectively, and all the other limits are sealed with the last deep bead 14 of air-flow transmission channel and air outlet 13 sides and are connected; Bottom bracket 11 also is connected with the sealing of air-flow transmission channel.
When filter used, air intake filtered the back outflow through the filter element of three filters, makes full use of effective space, has increased filter area widely, improves filter efficiency, reduces the volume of filter.
Referring to Figure 10~Figure 13, the utility model high-efficiency self-cleaning air filtering system is equipped with cleaning device at filter air-out oral-lateral, it comprises the portal frame that vertically is placed in air outlet 13 sides, is formed by connecting by a back timber 19 and two root posts 20, back timber 19 is fixedlyed connected with the air-flow transmission channel, fixedlys connected with the base anchor 21 that blocks in bottom bracket 11 grooves in the lower end of column 20; Back timber 19 belows are rotationally connected by sleeve block 22 and sprocket shaft 23, and sprocket shaft 23 interludes are hollow pipe, are formed by fixedly connecting by the wheel shaft of shaft joint 37 with both sides; The two ends of sprocket shaft 23 are connected with another chain gear transmission downwards with chain 24 by sprocket wheel, and an end of sprocket shaft 23 is fixedlyed connected with the output shaft of motor 25 on being fixed on portal frame; Between two chains 24, laterally install and fix mobile stand 26, fixed installation feed pipe 27 on mobile stand 26, feed pipe 27 entrance points are communicated with high-pressure water by flexible pipe, and its port of export also connects the water spray unit of the charged magnet valve 34 of two-way, and extend in the filter element dead slot; Water spray unit comprises at least two jet pipes that are threaded mutually 28, back water fender 29 and upper and lower water fender 30, one end of jet pipe 28 is communicated with magnetic valve 34 ports of export, jet pipe 28 bilateral symmetry nozzle 31 is housed, and wherein one front end also is equipped with nozzle 31; The central vertical of back water fender 29 is fixed between the port of export of jet pipe 28 and magnetic valve 34, upper and lower water fender 30 is placed in jet pipe 28 upper and lowers respectively, the one end is connected with back water fender 29 vertical fixing, and middle connector 32 support and connection by being with dovetail groove on the dovetails that is connected as a single entity and the jet pipe 28 see Figure 13~15 for details.In air inlet 12 sides and air outlet 13 sides the sampling head 33 of blast differential pressure pickup is housed respectively, as shown in Figure 2, two sampling heads 33, motor 25 and magnetic valves 34 are by being installed in the controller electric connection on the air-flow transmission channel.
Wherein nozzle 31 is a flat, and level is laid, and the axis of the nozzle 31 of adjacent two jet pipe 28 both sides is not on same horizontal plane; Because the water that flat burner 31 ejects is sector, the water surface of adjacent like this two nozzles 31 ejection not at grade, being overlapping spatially just, but can not impact interference mutually reduced and impacted cleaning performance; The effect of water fender is to prevent that effectively spray splashes in the cleaning process.The dual-side of upper and lower water fender 30 is equipped with hairbrush 35 simultaneously, and width and filter element hollow groove are complementary, and when water spray unit moves up and down, can directly scrub bushing.Be provided with the guide 36 that moves up and down along column 20 at the two ends of mobile stand 26, guarantee that the chain drive parts operate steadily.
The operation principle of above-mentioned cleaning device: the design of filter wind speed is in the low wind speed range of 0.3m/s~0.5m/s, dust-contained airflow is accumulated on the screen surface through bulky grain suspended particulate substance behind the filter plate, fine particle is deposited in the filter screen deep layer, air flow pressure is changed, measure the blast of air inlet 12 sides and air outlet 13 sides respectively by two sampling heads 33 of blast differential pressure pickup, when both pressure reduction reaches predefined ceiling value, controller output signal, start high-pressure hydraulic pump, open magnetic valve 34, the online particle of nozzle 31 ejection high pressure water impact cleaning and filtering; Starter motor 25 moves back and forth up and down by the mobile stand 26 of sprocket wheel chain 24 drives simultaneously, and the particle that is eliminated is discharged outside the air-flow transmission channels with the tank 10 of current on base plate 8, bottom bracket 11 and focused on.Cleaning process can be carried out simultaneously, also can carry out one by one filter element, is controlled in real time by controller.

Claims (10)

1, a kind of high-efficiency self-cleaning air filtering system is characterized in that comprising several three type filter elements that connected and composed by connector by three square filters (1,1 '); Described connector comprises 4 crossbeams (2), 2 tail trimmers (2 ') and 4 vertical beams (3) of selecting for use section bar to make, described crossbeam (2), tail trimmer (2 ') and vertical beam (3) are fixedly connected into main frame by 8 the angle threeways (4) that are mutually the right angle, described filter (1,1 ') all around with described main frame on recess equipped, and on three limits, it is fixed with card article (5) and rubber strip (6); The openend of adjacent two described filter elements is fixedly connected by other 2 tail trimmers (2 '), and outside it, be provided with and described tail trimmer (2 ') dividing plate (7) that sealing is connected with described vertical beam (3), several filter elements are connected into collapsible filter; Sealing is connected with base plate (9) with cover plate (8) respectively with the bottom at the top of described filter, and described base plate (9) is connected with the bottom bracket that is provided with tank (10) (11) sealing, be provided with the through hole that is communicated with described tank (10) on described base plate (9), described tank (10) is provided with discharge outlet; The right side of described filter is air inlet (12), and its left side is air outlet (13); Described filter sealing is installed in the air-flow transmission channel, in described filter air outlet (13) side cleaning device is housed.
2, high-efficiency self-cleaning air filtering system according to claim 1, it is characterized in that described filter comprises that also 2 are gone up deep bead (14) and 2 side deep beads (15), every described bottom of going up deep bead (14) closes with air outlet (13) side seal with described air inlet (12) side of described cover plate (8) respectively and is connected, and all the other limits are connected with the sealing of air-flow transmission channel; One side of every described side deep bead (15) is connected with described vertical beam (2) sealing of described air outlet (13) the side ragged edge of filter respectively, and deep bead (14) seals and is connected on all the other limits and air-flow transmission channel and described air outlet (13) side described; Described bottom bracket (11) also is connected with the sealing of air-flow transmission channel.
3, high-efficiency self-cleaning air filtering system according to claim 1 and 2, it is characterized in that described filter (1,1 ') comprises that mesh is 20~30 a purposes lining net (16), superimposed successively several layers is fixedlyed connected with frame bar (18) around described lining net (16) and the stainless steel cloth (17) along airflow direction porosity stainless steel cloth (17) from large to small on described lining net (16).
4, high-efficiency self-cleaning air filtering system according to claim 3, it is characterized in that described cleaning device comprises vertically is placed in the portal frame that described air outlet (13) side is formed by connecting by a back timber (19) and two root posts (20), described back timber (19) is fixedlyed connected with the air-flow transmission channel, fixedlys connected with the base anchor (21) that blocks in described bottom bracket (11) groove in the lower end of described column (20); Described back timber (19) below is rotationally connected by sleeve block (22) and sprocket shaft (23), the two ends of described sprocket shaft (23) are connected with another chain gear transmission downwards with chain (24) by sprocket wheel, and an end of described sprocket shaft (23) is fixedlyed connected with the output shaft of motor (25) on being fixed on portal frame; Between two described chains (24), laterally install and fix mobile stand (26), go up fixed installation feed pipe (27) at described mobile stand (26), described feed pipe (27) entrance point is communicated with high-pressure water by flexible pipe, its port of export also connects several water spray unit, and extends in the described filter element dead slot; Described water spray unit comprises at least two jet pipes that are threaded mutually (28), back water fender (29) and upper and lower water fender (30), one end of described jet pipe (28) is communicated with described feed pipe (27) port of export, described jet pipe (28) bilateral symmetry nozzle (31) is housed, and wherein one front end also is equipped with described nozzle (31); The central vertical of described back water fender (29) is fixed between the described jet pipe (28) and described feed pipe (27) port of export, described upper and lower water fender (30) is placed in described jet pipe (28) upper and lower respectively, the one end is connected with described back water fender (29) vertical fixing, and middle dovetails and upward connector (32) support and connection of band dovetail groove of described jet pipe (28) by being connected as a single entity.
5, high-efficiency self-cleaning air filtering system according to claim 4, it is characterized in that being equipped with respectively the sampling pipe (33) of blast differential pressure pickup in described air inlet (12) side and air outlet (13) side, between the port of export of described feed pipe (27) and described jet pipe (28) magnetic valve (34) is housed all, the described sampling pipe (33) of blast differential pressure pickup, motor (25) and magnetic valve (34) are by being installed in the controller electric connection on the air-flow transmission channel.
6, high-efficiency self-cleaning air filtering system according to claim 5 is characterized in that described nozzle (31) is flat, and level is laid, and the axis of the described nozzle (31) of adjacent two described jet pipes (28) both sides is not on same horizontal plane.
7, high-efficiency self-cleaning air filtering system according to claim 6 is characterized in that the side of described upper and lower water fender (30) is equipped with hairbrush (35).
8, high-efficiency self-cleaning air filtering system according to claim 7 is characterized in that the two ends of described mobile stand (26) are provided with the guide (36) that moves up and down along described column (20).
9, high-efficiency self-cleaning air filtering system according to claim 8 is characterized in that described sprocket shaft (23) interlude is a hollow pipe, fixedlys connected with the wheel shaft on both sides by shaft joint (37).
10, high-efficiency self-cleaning air filtering system according to claim 9 is characterized in that described square filter (1,1 ') is by some same thickness, transversely stacking splicing is formed successively.
CNU2008201231164U 2008-10-16 2008-10-16 High-efficiency self-cleaning air purification system Expired - Lifetime CN201287014Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028064A (en) * 2014-03-07 2014-09-10 北京神雾环境能源科技集团股份有限公司 Plate-frame type PTFE membrane deduster
CN104258654A (en) * 2014-09-29 2015-01-07 湖南正大轻科机械有限公司 Filter element cleaning device
CN105817083A (en) * 2016-06-06 2016-08-03 盐城工学院 Efficient self-cleaning air filtering device for spinning
CN107101210A (en) * 2017-06-09 2017-08-29 绿色动力环保集团股份有限公司 A kind of self-cleaning apparatus and method of waste incinerator primary air nozzle filter screen
CN108621751A (en) * 2018-03-31 2018-10-09 利辛县宏天建材有限责任公司 A kind of vehicular air purifier filter core protective device based on macromolecule strainer
CN108692395A (en) * 2018-05-31 2018-10-23 扬州行歌网络科技发展有限公司 A kind of air purifier with self-cleaning function
CN109059182A (en) * 2018-06-08 2018-12-21 广东美的制冷设备有限公司 Wash control method, air conditioner and the computer readable storage medium of air conditioner
CN114234408A (en) * 2021-12-22 2022-03-25 珠海格力电器股份有限公司 Control device and method for air filtering system, fresh air system and storage medium

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028064A (en) * 2014-03-07 2014-09-10 北京神雾环境能源科技集团股份有限公司 Plate-frame type PTFE membrane deduster
CN104028064B (en) * 2014-03-07 2015-10-28 北京神雾环境能源科技集团股份有限公司 Plate and frame PTFE film deduster
CN104258654A (en) * 2014-09-29 2015-01-07 湖南正大轻科机械有限公司 Filter element cleaning device
CN104258654B (en) * 2014-09-29 2015-11-11 湖南正大轻科机械有限公司 A kind of cartridge cleaning device
CN105817083B (en) * 2016-06-06 2018-01-23 盐城工学院 High-efficiency self-cleaning air filter is used in one kind weaving
CN105817083A (en) * 2016-06-06 2016-08-03 盐城工学院 Efficient self-cleaning air filtering device for spinning
CN107101210A (en) * 2017-06-09 2017-08-29 绿色动力环保集团股份有限公司 A kind of self-cleaning apparatus and method of waste incinerator primary air nozzle filter screen
CN107101210B (en) * 2017-06-09 2023-07-11 绿色动力环保集团股份有限公司 Device and method for self-cleaning of filter screen of primary air port of garbage incinerator
CN108621751A (en) * 2018-03-31 2018-10-09 利辛县宏天建材有限责任公司 A kind of vehicular air purifier filter core protective device based on macromolecule strainer
CN108692395A (en) * 2018-05-31 2018-10-23 扬州行歌网络科技发展有限公司 A kind of air purifier with self-cleaning function
CN109059182A (en) * 2018-06-08 2018-12-21 广东美的制冷设备有限公司 Wash control method, air conditioner and the computer readable storage medium of air conditioner
CN114234408A (en) * 2021-12-22 2022-03-25 珠海格力电器股份有限公司 Control device and method for air filtering system, fresh air system and storage medium
CN114234408B (en) * 2021-12-22 2022-11-25 珠海格力电器股份有限公司 Control device and method for air filtering system, fresh air system and storage medium

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Kangfuchuangxin Air Conditioner Science & Technology Co., Ltd., Beijing

Assignor: Beijing Comfort Environmental Control Co., Ltd.

Contract record no.: 2010990000973

Denomination of utility model: High-efficiency self-cleaning air purification system

Granted publication date: 20090812

License type: Exclusive License

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Granted publication date: 20090812