CN214332978U - Filter device for heating and ventilating air conditioner - Google Patents

Filter device for heating and ventilating air conditioner Download PDF

Info

Publication number
CN214332978U
CN214332978U CN202120216288.1U CN202120216288U CN214332978U CN 214332978 U CN214332978 U CN 214332978U CN 202120216288 U CN202120216288 U CN 202120216288U CN 214332978 U CN214332978 U CN 214332978U
Authority
CN
China
Prior art keywords
water
fixedly connected
dust
pipe
casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120216288.1U
Other languages
Chinese (zh)
Inventor
林小闹
赵仕琦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ocean University
Original Assignee
Guangdong Ocean University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Ocean University filed Critical Guangdong Ocean University
Priority to CN202120216288.1U priority Critical patent/CN214332978U/en
Application granted granted Critical
Publication of CN214332978U publication Critical patent/CN214332978U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

本实用新型属于暖通空调技术领域,涉及一种暖通空调用过滤装置,其中,包括壳体,所述壳体的两侧分别固定连接有储水箱和集尘箱,所述储水箱的顶部固定连接有水泵,水泵的进水端与出水端均连通有连接管。其有益效果是,该暖通空调用过滤装置,通过集尘箱、吸风机和风管等的设置,将壳体内清扫后的灰尘吸入集尘箱内,从而方便将灰尘从壳体内排出,通过储水箱、水泵、水管和电磁阀等的设置,将水分别抽入壳体和集尘箱内,可以增加壳体内空气中的湿度,同时可以将水喷入集尘箱,进行降尘工作,通过连接板、连接块第一螺纹、第二螺纹孔和螺栓等的设置,可以同时将过滤板、HEPA滤网和活性炭层从箱体内取出,便于进行更换,操作简单。

Figure 202120216288

The utility model belongs to the technical field of heating, ventilation and air conditioning, and relates to a filtering device for heating, ventilation and air conditioning. A water pump is fixedly connected, and a connecting pipe is connected with the water inlet end and the water outlet end of the water pump. The beneficial effect is that the HVAC filter device sucks the dust cleaned in the casing into the dust collecting box through the setting of the dust collecting box, the suction fan and the air duct, so as to facilitate the discharge of the dust from the casing, and pass the dust through the casing. The setting of water storage tank, water pump, water pipe and solenoid valve, etc., the water is pumped into the shell and the dust collecting box respectively, which can increase the humidity in the air in the shell, and at the same time, water can be sprayed into the dust collecting box for dust reduction work. The setting of the connection plate, the first thread of the connection block, the second thread hole and the bolt, etc., can simultaneously take out the filter plate, the HEPA filter screen and the activated carbon layer from the box, which is convenient for replacement and simple operation.

Figure 202120216288

Description

Filter device for heating and ventilating air conditioner
Technical Field
The utility model belongs to the technical field of the warm air conditioner that leads to, concretely relates to warm idle call filter equipment that leads to.
Background
The hvac system is an air conditioner having heating, ventilating and air conditioning functions. The general filter equipment that need insert of current warm air conditioner leads to, dust, peculiar smell, harmful gas and bacterium in the de aeration have now to the warm air conditioner filter equipment that leads to of majority, adopt the brush to clean the dust on the filter, can not collect the dust after cleaning, inconvenient change the filter etc. moreover.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a warm idle call filter equipment that leads to, it has solved and can't collect and inconvenient technical problem who changes the filter etc. to the dust after cleaning.
In order to achieve the above object, the utility model provides a following technical scheme: a filtering device for a heating ventilation air conditioner comprises a shell, wherein a water storage tank and a dust collection tank are fixedly connected to the two sides of the shell respectively, a water pump is fixedly connected to the top of the water storage tank, a water inlet end and a water outlet end of the water pump are communicated with connecting pipes, one end of one connecting pipe penetrates through the top of the water storage tank and is positioned in the water storage tank, one end of the other connecting pipe is communicated with a tee joint, the water inlet end and the water outlet end of the tee joint are communicated with water pipes, one end of one water pipe penetrates through the top of the shell and is communicated with an atomizing nozzle, one end of the other water pipe penetrates through the top of the dust collection tank and is communicated with a nozzle, a first electromagnetic valve and a second electromagnetic valve are fixedly connected to the two water pipes respectively, a suction fan is fixedly connected to the top of the shell, an air inlet end and an air outlet end of the suction fan are communicated with air pipes, and one end of one air pipe penetrates through the top of the shell and is communicated with a suction head, one end of the other air pipe penetrates through the top of the dust collection box and is positioned in the dust collection box.
The top of the shell is lapped with a connecting plate, the top of the connecting plate is fixedly connected with a handle, the top of the shell is respectively provided with a through groove and a first threaded hole, the connecting plate is provided with a second threaded hole, the number of the first threaded hole and the second threaded hole is two, one first threaded hole and one second threaded hole are in threaded connection with the same bolt, the number of the through grooves is three, connecting blocks are lapped in the three through grooves, the surfaces of the three connecting blocks are sleeved with sealing rings, the tops of the three connecting blocks are fixedly connected with the bottom of the connecting plate, the bottoms of the three connecting blocks are respectively and fixedly connected with a filter plate, a HEPA filter screen and an active carbon layer, the bottom of the inner wall of the shell is provided with clamping grooves, the number of the clamping grooves is three, and the three clamping grooves are respectively clamped with the bottoms of the filter plate, the HEPA filter screen and the active carbon layer, the shell is fixedly connected with a controller, and the controller is fixedly connected with a control button.
As a further aspect of the present invention: the bottom fixedly connected with bearing of casing, and the pivot is worn to be equipped with by the activity in the bearing, and the one end fixedly connected with brush of pivot, the other end of pivot and the output shaft fixed connection of motor, the surface of brush and one side overlap joint of filter.
As a further aspect of the present invention: and the two sides of the shell are respectively communicated with an air inlet cylinder and an air outlet cylinder.
As a further aspect of the present invention: the bottom of the dust collection box is communicated with a discharge pipe, and a manual valve is fixedly connected to the discharge pipe.
As a further aspect of the present invention: the top of the water storage tank is communicated with a water adding cylinder, the top of the water adding cylinder is hinged with a cover plate through a pin shaft, and an observation strip is fixedly connected to the dust collection box.
As a further aspect of the present invention: the controller is respectively electrically connected with the motor, the suction fan, the water pump, the first electromagnetic valve and the second electromagnetic valve through conducting wires.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this warm idle call filter equipment that leads to, through the setting of dust collection box, suction fan and tuber pipe etc. with the dust suction dust collection box after cleaning in the casing to conveniently discharge the dust in the casing, through the setting of storage water tank, water pump, water pipe and solenoid valve etc. with moisture difference suction casing and dust collection box in, can increase the humidity in the casing air, can spray into the dust collection box with water simultaneously, carry out dust fall work.
2. This warm idle call filter equipment that leads to, through the setting such as the first screw thread of connecting plate, connecting block, second screw hole and bolt, can take out filter, HEPA filter screen and active carbon layer from the box simultaneously, be convenient for change easy operation.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is a schematic structural view of the present invention from the side;
FIG. 3 is a schematic diagram of the circuit connection structure of the present invention;
in the figure: 1. a housing; 2. an air outlet cylinder; 3. a water storage tank; 4. a connecting pipe; 5. a water pump; 6. a water pipe; 7. a seal ring; 8. connecting blocks; 9. a through groove; 10. a first threaded hole; 11. a second threaded hole; 12. a suction fan; 13. an air duct; 14. a dust collection box; 15. an air inlet cylinder; 16. a brush; 17. a motor; 18. a filter plate; 19. a HEPA filter screen; 20. an activated carbon layer; 21. a second solenoid valve; 22. a connecting plate; 23. a bolt; 24. a first solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: a filter device for heating, ventilation and air conditioning comprises a shell 1, wherein a water storage tank 3 and a dust collection tank 14 are fixedly connected to two sides of the shell 1 respectively, a water pump 5 is fixedly connected to the top of the water storage tank 3, a water inlet end and a water outlet end of the water pump 5 are both communicated with a connecting pipe 4, one end of one connecting pipe 4 penetrates through the top of the water storage tank 3 and is positioned in the water storage tank 3, one end of the other connecting pipe 4 is communicated with a tee joint, a water pipe 6 is communicated with the water inlet end and the water outlet end of the tee joint, one end of one water pipe 6 penetrates through the top of the shell 1 and is communicated with an atomizing spray head, one end of the other water pipe 6 penetrates through the top of the dust collection tank 14 and is communicated with a spray head, a first electromagnetic valve 24 and a second electromagnetic valve 21 are fixedly connected to the two water pipes 6 respectively, and water is pumped into the shell 1 and the dust collection tank 14 respectively through the arrangement of the water storage tank 3, the water pump 5, the water pipe 6, the first electromagnetic valve 24, the second electromagnetic valve 21 and the like, can increase the humidity in the air in casing 1, can inject dust collection box 14 with the water simultaneously, dust fall work is carried out, the top fixedly connected with suction fan 12 of casing 1, the air inlet end and the air-out end of suction fan 12 all communicate there is tuber pipe 13, the top and the intercommunication of casing 1 are passed to the one end of an tuber pipe 13 have the suction head, the top of dust collection box 14 is passed and is located dust collection box 14 to the one end of another tuber pipe 13, through dust collection box 14, the setting of suction fan 12 and tuber pipe 13 etc., the dust after cleaning in the casing 1 is inhaled in the dust collection box 14, thereby conveniently discharge the dust from casing 1.
The top of the shell 1 is lapped with a connecting plate 22, the top of the connecting plate 22 is fixedly connected with a handle, the top of the shell 1 is respectively provided with a through groove 9 and a first threaded hole 10, the connecting plate 22 is provided with a second threaded hole 11, the number of the first threaded hole 10 and the second threaded hole 11 is two, a first threaded hole 10 and a second threaded hole 11 are in internal threaded connection with a same bolt 23, the number of the through grooves 9 is three, connecting blocks 8 are respectively lapped in the three through grooves 9, sealing rings 7 are respectively sleeved on the surfaces of the three connecting blocks 8, the tops of the three connecting blocks 8 are respectively and fixedly connected with the bottom of the connecting plate 22, the bottoms of the three connecting blocks 8 are respectively and fixedly connected with a filter plate 18, an HEPA filter screen 19 and an activated carbon layer 20, the bottom of the inner wall of the shell 1 is provided with three clamping grooves, and the three clamping grooves are respectively and are respectively clamped with the bottoms of the filter plate 18, the HEPA filter screen 19 and the activated carbon layer 20, through the setting such as connecting plate 22, the first screw thread of connecting block 8, second screw hole 11 and bolt 23, can take out filter 18, HEPA filter screen 19 and active carbon layer 20 from the box simultaneously, be convenient for change easy operation, fixedly connected with controller 25 on the casing 1, fixedly connected with control button on the controller 25.
Specifically, the bottom of the housing 1 is fixedly connected with a bearing, a rotating shaft is movably arranged in the bearing in a penetrating way, one end of the rotating shaft is fixedly connected with a brush 16, the other end of the rotating shaft is fixedly connected with an output shaft of a motor 17, the surface of the brush 16 is lapped with one side of a filter plate 18, dust on the filter plate 18 is cleaned through the arrangement of the motor 17, the brush 16 and the like, the filter plate 18 is prevented from being blocked after being used for a long time, the two sides of the housing 1 are respectively communicated with an air inlet cylinder 15 and an air outlet cylinder 2, external air is enabled to enter the housing 1 and filtered air is exhausted through the arrangement of the air inlet cylinder 15 and the air outlet cylinder 2, the bottom of the dust collection box 14 is communicated with an exhaust pipe, a manual valve is fixedly connected on the exhaust pipe, sewage in the dust collection box 14 is exhausted through the arrangement of the exhaust pipe and the manual valve, the top of the water storage box 3 is communicated with a water adding cylinder, and the top of the water adding cylinder is hinged with a cover plate through a pin shaft, an observation strip is fixedly connected to the dust collection box 14, and the liquid level of the dust collection box 14 is checked through the arrangement of the observation strip, so that sewage is discharged in time.
Specifically, the controller 25 is electrically connected with the motor 17, the suction fan 12, the water pump 5, the first electromagnetic valve 24 and the second electromagnetic valve 21 through wires, and the working states of the motor 17, the suction fan 12, the water pump 5, the first electromagnetic valve 24 and the second electromagnetic valve 21 are conveniently controlled through the arrangement of the controller 25.
The utility model discloses a theory of operation does:
s1, when in use, the filtering device is connected with an external power supply, the cover plate is opened, water is added into the water storage tank 3 through the water adding cylinder, after the water is added, the cover plate is finished, external air enters the shell 1 through the air inlet cylinder 15, the air is filtered for the first time by the filter plate 18, then is filtered for the second time through the HEPA filter screen 19, is filtered for the third time through the activated carbon layer 20, the filtered air is discharged from the air outlet cylinder 2, the water pump 5 and the first electromagnetic valve 24 are controlled to start to work through the controller 25, the water pump 5 pumps the water into one water pipe 6 through the connecting pipe 4, and the atomizing nozzle sprays the water, so that the humidity in the air in the shell 1 is increased;
s2, secondly, when the filter plate 18 is cleaned, the controller 25 controls the first electromagnetic valve 24 to be closed, the motor 17, the suction fan 12 and the second electromagnetic valve 21 are controlled to start working, the motor 17 drives the rotating shaft and the brush 16 to rotate, so that the filter plate 18 is cleaned, the suction fan 12 sucks dust cleaned in the shell 1 into the dust collection box 14 through the air pipe 13 and the suction head, the water pump 5 sucks water into the other water pipe 6 through the connecting pipe 4, the water is sprayed out through the spray head, so that dust is reduced, after cleaning is finished, the controller 25 controls the water pump 5, the motor 17, the suction fan 12 and the second electromagnetic valve 21 stop working, the dust collection box 14 is checked through the observation strip, then the manual valve is opened, and sewage in the dust collection box 14 is discharged through the discharge pipe;
s3, finally, when the filter plate 18, the HEPA filter screen 19 and the activated carbon layer 20 need to be disassembled, the bolt 23 is unscrewed, the bolt 23 is no longer in threaded connection with the first threaded hole 10 and the second threaded hole 11, the connecting plate 22 is pulled through the handle, the filter plate 18, the HEPA filter screen 19 and the activated carbon layer 20 are taken out, during installation, the bottoms of the filter plate 18, the HEPA filter screen 19 and the activated carbon layer 20 are respectively inserted into the three through grooves 9 and are clamped with the clamping grooves, the bolt 23 is screwed, and installation is completed.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1.一种暖通空调用过滤装置,包括壳体(1),其特征在于:所述壳体(1)的两侧分别固定连接有储水箱(3)和集尘箱(14),所述储水箱(3)的顶部固定连接有水泵(5),所述水泵(5)的进水端与出水端均连通有连接管(4),一个所述连接管(4)的一端穿过储水箱(3)的顶部并位于储水箱(3)内,另一个所述连接管(4)的一端连通有三通,且三通的进水端与出水端均连通有水管(6),一个所述水管(6)的一端穿过壳体(1)的顶部并连通有雾化喷头,另一个所述水管(6)的一端穿过集尘箱(14)的顶部并连通有喷头,两个所述水管(6)上分别固定连接有第一电磁阀(24)和第二电磁阀(21),所述壳体(1)的顶部固定连接有吸风机(12),所述吸风机(12)的进风端与出风端均连通有风管(13),一个所述风管(13)的一端穿过壳体(1)的顶部并连通有吸头,另一个所述风管(13)的一端穿过集尘箱(14)的顶部并位于集尘箱(14)内;1. A filter device for HVAC, comprising a housing (1), characterized in that: a water storage tank (3) and a dust collecting box (14) are fixedly connected to both sides of the housing (1), respectively, so that the A water pump (5) is fixedly connected to the top of the water storage tank (3), the water inlet end and the water outlet end of the water pump (5) are connected with a connecting pipe (4), and one end of the connecting pipe (4) passes through The top of the water storage tank (3) is located in the water storage tank (3), and one end of the other said connecting pipe (4) is connected with a tee, and the water inlet end and the water outlet end of the tee are connected with a water pipe (6), one One end of the water pipe (6) passes through the top of the housing (1) and is connected with the atomizing nozzle, and one end of the other water pipe (6) passes through the top of the dust collecting box (14) and is connected with the nozzle. A first solenoid valve (24) and a second solenoid valve (21) are fixedly connected to each of the water pipes (6), respectively, and a suction fan (12) is fixedly connected to the top of the casing (1). The air inlet end and the air outlet end of (12) are connected with an air duct (13), one end of the air duct (13) passes through the top of the housing (1) and is connected with a suction head, and the other air duct (13) is connected with the suction head. One end of the pipe (13) passes through the top of the dust box (14) and is located in the dust box (14); 所述壳体(1)的顶部搭接连接板(22),所述连接板(22)的顶部固定连接有把手,所述壳体(1)的顶部分别开设有通槽(9)和第一螺纹孔(10),所述连接板(22)上开设有第二螺纹孔(11),所述第一螺纹孔(10)与第二螺纹孔(11)的数量均有两个,一个所述第一螺纹孔(10)与一个所述第二螺纹孔(11)内螺纹连接有同一个螺栓(23),所述通槽(9)的数量有三个,三个所述通槽(9)内均搭接有连接块(8),三个所述连接块(8)的表面均套接有密封圈(7),三个所述连接块(8)的顶部均与连接板(22)的底部固定连接,三个所述的连接块(8)的底部分别固定连接有过滤板(18)、HEPA滤网(19)和活性炭层(20),所述壳体(1)的内壁底部开设有卡槽,且卡槽的数量有三个,三个卡槽内分别与过滤板(18)的底部、HEPA滤网(19)的底部和活性炭层(20)的底部相卡接,所述壳体(1)上固定连接有控制器(25),所述控制器(25)上固定连接有控制按钮。The top of the casing (1) overlaps the connecting plate (22), the top of the connecting plate (22) is fixedly connected with a handle, and the top of the casing (1) is respectively provided with a through groove (9) and a first A threaded hole (10), the connecting plate (22) is provided with a second threaded hole (11), the number of the first threaded hole (10) and the second threaded hole (11) are two, one The first threaded hole (10) and one of the second threaded holes (11) are internally threadedly connected with the same bolt (23), the number of the through grooves (9) is three, and the three through grooves ( 9) Connecting blocks (8) are lapped inside, sealing rings (7) are sleeved on the surfaces of the three connecting blocks (8), and the tops of the three connecting blocks (8) are all connected to the connecting plate (8). 22) are fixedly connected at the bottom, and the bottoms of the three connecting blocks (8) are respectively fixedly connected with a filter plate (18), a HEPA filter (19) and an activated carbon layer (20). The bottom of the inner wall is provided with card slots, and the number of the card slots is three, and the three card slots are respectively connected with the bottom of the filter plate (18), the bottom of the HEPA filter screen (19) and the bottom of the activated carbon layer (20). A controller (25) is fixedly connected to the casing (1), and a control button is fixedly connected to the controller (25). 2.根据权利要求1所述的一种暖通空调用过滤装置,其特征在于:所述壳体(1)的底部固定连接有轴承,且轴承内活动穿设有转轴,且转轴的一端固定连接有毛刷(16),转轴的另一端与电机(17)的输出轴固定连接,所述毛刷(16)的表面与过滤板(18)的一侧搭接。2 . The HVAC filter device according to claim 1 , wherein a bearing is fixedly connected to the bottom of the housing (1), a rotating shaft is movably passed through the bearing, and one end of the rotating shaft is fixed. 3 . A brush (16) is connected, the other end of the rotating shaft is fixedly connected with the output shaft of the motor (17), and the surface of the brush (16) overlaps with one side of the filter plate (18). 3.根据权利要求1所述的一种暖通空调用过滤装置,其特征在于:所述壳体(1)的两侧分别连通有进风筒(15)和出风筒(2)。3 . The HVAC filter device according to claim 1 , wherein the two sides of the casing ( 1 ) are respectively connected with an air inlet duct ( 15 ) and an air outlet duct ( 2 ). 4 . 4.根据权利要求1所述的一种暖通空调用过滤装置,其特征在于:所述集尘箱(14)底部连通有排出管,且排出管上固定连接有手动阀。4 . The HVAC filter device according to claim 1 , wherein a discharge pipe is communicated with the bottom of the dust collecting box ( 14 ), and a manual valve is fixedly connected to the discharge pipe. 5 . 5.根据权利要求1所述的一种暖通空调用过滤装置,其特征在于:所述储水箱(3)的顶部连通有加水筒,且加水筒的顶部通过销轴铰接有盖板,所述集尘箱(14)上固定连接有观察条。5. A HVAC filter device according to claim 1, characterized in that: the top of the water storage tank (3) is communicated with a water filling cylinder, and the top of the water filling cylinder is hinged with a cover plate through a pin, so An observation strip is fixedly connected to the dust collecting box (14). 6.根据权利要求1所述的一种暖通空调用过滤装置,其特征在于:所述控制器(25)分别与电机(17)、吸风机(12)、水泵(5)、第一电磁阀(24)和第二电磁阀(21)通过导线电性连接。6. A HVAC filter device according to claim 1, characterized in that: the controller (25) is respectively connected with the motor (17), the suction fan (12), the water pump (5), the first electromagnetic The valve (24) and the second solenoid valve (21) are electrically connected through wires.
CN202120216288.1U 2021-01-26 2021-01-26 Filter device for heating and ventilating air conditioner Expired - Fee Related CN214332978U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120216288.1U CN214332978U (en) 2021-01-26 2021-01-26 Filter device for heating and ventilating air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120216288.1U CN214332978U (en) 2021-01-26 2021-01-26 Filter device for heating and ventilating air conditioner

Publications (1)

Publication Number Publication Date
CN214332978U true CN214332978U (en) 2021-10-01

Family

ID=77906620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120216288.1U Expired - Fee Related CN214332978U (en) 2021-01-26 2021-01-26 Filter device for heating and ventilating air conditioner

Country Status (1)

Country Link
CN (1) CN214332978U (en)

Similar Documents

Publication Publication Date Title
CN217831001U (en) Multifunctional cloth art cleaning machine
CN205478414U (en) Humidification dust removal bladeless fan
CN214972839U (en) Industrial energy-saving emission-reducing type smoke dust purifier
CN214332978U (en) Filter device for heating and ventilating air conditioner
CN211204275U (en) Indoor air purification and humidification device
CN221349279U (en) Fresh air conditioning system
WO2016023479A1 (en) Smog-removing air conditioner
CN214426167U (en) Novel air conditioning and purifying equipment capable of achieving automatic air taking
CN211625486U (en) A filter device for HVAC
CN217988822U (en) Indoor dust device of building
CN212188415U (en) Air purification device for architectural decoration construction
CN210631854U (en) Factory workshop dust removal temperature regulating system
CN212396162U (en) Dust collecting and filtering device used in textile technological process
CN211936104U (en) A dust removal device for HVAC engineering construction
CN218599914U (en) Ventilation device
CN219415061U (en) Detachable fast humidifying function device
CN210197571U (en) Ventilation unit with air-purifying function
CN221172435U (en) Energy-saving and environment-friendly filtering device of heating ventilation clean air conditioner
CN213116786U (en) Energy-saving purifying negative pressure fan
CN222151385U (en) A dust removal and purification device for metal processing
CN216114556U (en) Humidification type air purification circulation fan
CN220397730U (en) Air purifying device for heating and ventilation of air conditioner
CN221285601U (en) Water filtering central dust collector with air purifying function
CN218763841U (en) Combined air conditioner
CN218627185U (en) Central dust collection device with large air volume

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211001