CN212894290U - Filtering and circulating device for cooling water of screw air compressor - Google Patents
Filtering and circulating device for cooling water of screw air compressor Download PDFInfo
- Publication number
- CN212894290U CN212894290U CN202021626239.7U CN202021626239U CN212894290U CN 212894290 U CN212894290 U CN 212894290U CN 202021626239 U CN202021626239 U CN 202021626239U CN 212894290 U CN212894290 U CN 212894290U
- Authority
- CN
- China
- Prior art keywords
- box
- filtering
- box body
- cooling
- cooling water
- 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
Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 58
- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 238000001179 sorption measurement Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
Images
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a filtering and circulating device for cooling water of a screw air compressor, which comprises a box body and a controller, wherein the controller is arranged at one side of the box body, a baffle is arranged in the box body and divides the box body into a cooling box and a filtering box, a first inlet pipe is arranged on the side wall of the filtering box, a filtering plate is arranged at one side of the filtering box, which is close to the first inlet pipe, a first adsorption component is arranged on one side of the filtering plate in a sliding way, a sterilization component is arranged at the bottom of the filtering box, a guide pipe is fixedly arranged on the baffle, a fan is arranged at the top end of the inner part of the cooling box, an air outlet is arranged on the side surface of the cooling box, a water pump is fixedly arranged on the outer side surface of the box body, the output end of the water pump passes through the side wall of the box body, the service life of the equipment is ensured, the water resource is repeatedly utilized, and the waste is reduced.
Description
Technical Field
The utility model relates to an air compressor technical field, in particular to filtration cycle device of screw air compressor cooling water.
Background
The screw air compressor is an oil injection single-stage double-screw compressor, is divided into a single-screw air compressor and a double-screw air compressor, adopts high-efficiency belt wheel transmission to drive a host to rotate for air compression, cools compressed air in the host through oil injection, separates air and oil mixed gas exhausted by the host through a coarse separation process and a fine separation process, separates oil in the compressed air, and finally obtains clean compressed air. The cooler is used for cooling the compressed air and the oil.
Screw air compressor temperature is higher when using, and traditional screw compressor's liquid cooling is most directly adopted the running water, and the temperature of running water is higher leads to the cooling effect general, and most cooling back running water can directly discharge, causes the waste of water resource, provides a solution to below the above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filtration cycle device of screw air compressor cooling water has and to carry out rapid cooling to equipment, and the cooling effect is obvious, guarantees the life of equipment, and water resource reuse reduces extravagant advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a filtration circulating device of screw air compressor cooling water, includes box body and controller, the controller is arranged in one side of box body, the inside fixed baffle that is provided with of box body, the baffle is cut apart into cooling box and filter cartridge with the box body, inlet pipe I is worn to be equipped with by the filter cartridge lateral wall, the inside one side that is close to inlet pipe I of filter cartridge slides and is provided with the filter, one side of filter slides and is provided with adsorption component, the filter cartridge bottom is provided with the subassembly that disinfects, the pipe is worn to be equipped with to fix on the baffle, the inside top of cooling box is provided with the fan, the air outlet has been seted up to the cooling box side, the fixed water pump that is provided with of lateral surface of box body, the output of water pump passes inside the box body lateral wall gets into the cooling box.
Adopt above-mentioned technical scheme, the water pump extracts the inside cooling water of cooling box, and inside the inlet tube of carrying screw air compressor's condenser tube with the cooling water again, cool down screw air compressor through the cooling water, the cooling water can flow from screw air compressor's cooling water play water pipe end for inside the cooling water enters into inlet pipe one, enters into the filter box through inlet pipe one, and the filter can be to entering into the filter box inside. The cooling water is filtered, impurities which are insoluble in water in the cooling water are filtered, the filter plate is designed in a sliding mode, the filter plate is convenient to take out, the impurities can be more conveniently taken out when the filter plate is taken out, the filtered cooling water is kept stand in the filter tank, the adsorption component is used for adsorbing the cooling water to absorb impurities dissolved in the water, the adsorption component with sliding design can be quickly taken out for replacement, the replacement of the adsorption material is convenient, thereby ensuring the adsorption effect, simultaneously sterilizing the cooling water by the sterilizing component, reducing the breeding of internal bacteria caused by long-term use, when the cooling water in the filter box reaches the height of the guide pipe, the cooling water enters the cooling box through the guide pipe, the cooling water entering the cooling box through the fan cools the cooling water, so that the cooling water keeps a lower temperature, the air outlet facilitates the air circulation inside, and finally the cooling water is conveyed to the inside of the screw air compressor through the external water pump.
Preferably, the adsorption component comprises an adsorption box, a pull rod, a bottom plate, a connecting rod, a baffle and a top plate, the bottom plate is arranged inside the adsorption box in a sliding mode, the connecting rod is located inside the adsorption box and fixedly connected with the bottom plate, the top plate and the adsorption box rotate, the pull rod and the adsorption box are in running fit, the adsorption box and the box are in running fit, an opening is formed in the side face of the box, the pull rod penetrates through the opening and is connected with the baffle in a rotating mode, the baffle and the opening are mutually adaptive, and a handle is fixedly arranged on the side face of one side, far away from the pull.
Adopt above-mentioned technical scheme, the pulling handle, the handle drives the baffle and removes, the baffle drives the pull rod and removes the adsorption box removal, make the upper end of adsorbing the box be close to the opening, continue the pulling, make the adsorption box shift out from the opening is inside, stimulate the connecting rod once more, the connecting rod drives the bottom plate motion, the bottom plate adopts the absorption of adsorbing the box inside to release, when adsorbing material removes to adsorbing the box outside, adsorbing material promotes the roof, make the roof open, make things convenient for the change of adsorbing material, place into the adsorption box inside with new adsorbing material again, play the effect of blockking to the adsorption box through the roof, avoid dropping of adsorbing material.
Preferably, the side face of the adsorption box is symmetrically provided with limiting grooves, the filtering box is fixedly provided with limiting rods, the limiting rods are located in the limiting grooves, and the limiting grooves are in sliding fit with the limiting rods.
By adopting the technical scheme, when the adsorption box is pulled by the pull rod, the adsorption box is stressed to move, the adsorption box moves to drive the limiting rod to move, the limiting rod moves along the limiting groove, and the limiting groove plays a limiting role in the limiting rod, so that the adsorption box moves along the limiting groove when moving.
Preferably, the sterilization assembly comprises a base, an ultraviolet lamp tube and a glass tube, the base is fixed inside the box body, the ultraviolet lamp tube is in threaded connection with the base, the glass tube is sleeved on the ultraviolet lamp tube, the glass tube is in threaded fit with the base, and the ultraviolet lamp tube is electrically connected with the controller.
Adopt above-mentioned technical scheme, disinfect to the cooling water through ultraviolet lamp, ultraviolet ray disinfection mainly acts on the DNA of microorganism, destroys the DNA structure, thereby it reaches the sterile purpose of disinfecting to make it lose the function of reproduction and self-reproduction, and the glass pipe plays the guard action to ultraviolet lamp, avoids the cooling water to ultraviolet lamp's damage, and the base plays the supporting role.
Preferably, the water inlet has been seted up at the top of box body, the articulated apron that is provided with in outside of water inlet, row's material pipe is all worn to be equipped with by cooling box and filter cartridge bottom, arrange and be provided with the valve that opens and shuts on the material pipe, one side of inlet pipe one is provided with inlet pipe two, inlet pipe two passes the filter cartridge.
Adopt above-mentioned technical scheme, the water inlet land used and the replenishment to the inside cooling water of box body, arrange the material pipe and conveniently change the inside cooling water discharge of box body, arrange opening and shutting of material pipe through the open-close valve control to reach the change of control cooling water, screw air compressor can produce more comdenstion water when using, and the temperature of comdenstion water is lower, and the accessible comdenstion water is cooled down screw air compressor.
Preferably, the inner wall of the filter box is fixedly provided with a liquid level sensor, and the liquid level sensor is electrically connected with the controller.
Adopt above-mentioned technical scheme, when the liquid level was too high, level sensor detected the liquid level, sent a signal through the controller, reminded the user to discharge the inside liquid of box body, avoided liquid too much to lead to spilling over of liquid.
Preferably, the side surface of the cooling box is provided with an observation window.
By adopting the technical scheme, the liquid level inside the cooling box can be conveniently observed through the observation window.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a sectional view of a front view of the embodiment;
FIG. 3 is a sectional view of a side view of the embodiment;
FIG. 4 is a schematic view showing the connection between the stopper groove and the stopper rod according to the embodiment;
fig. 5 is a sectional view of the sterilizing assembly.
Reference numerals: 2. A box body; 3. a controller; 4. a partition plate; 5. a cooling box; 6. a filter cartridge; 7. a feeding pipe I; 8. a filter plate; 9. an adsorption component; 10. a sterilization assembly; 11. a conduit; 12. a fan; 13. an air outlet; 14. a water pump; 15. an adsorption box; 16. a pull rod; 17. a base plate; 18. a connecting rod; 19. a baffle plate; 20. a top plate; 21. an opening; 22. a handle; 23. a limiting groove; 24. a limiting rod; 25. a base; 26. an ultraviolet lamp tube; 27. a glass tube; 28. a water inlet; 29. a cover plate; 30. a discharge pipe; 31. an opening and closing valve; 32. a feeding pipe II; 33. a liquid level sensor; 34. and (4) an observation window.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in fig. 1 to 5, a filtration cycle device of screw air compressor cooling water, including box body 2 and controller 3, controller 3 arranges in one side of box body 2, water inlet 28 has been seted up at the top of box body 2, the articulated apron 29 that is provided with in outside of water inlet 28, water inlet 28 with to the replenishment of the inside cooling water of box body 2, the inside fixed baffle 4 that is provided with of box body 2, baffle 4 is cut apart into cooling box 5 and filter box 6 with box body 2, cooling box 5 and 6 bottoms of filter box are all worn to be equipped with row's material pipe 30, it is provided with the valve 31 that opens and shuts on row material pipe 30 to arrange material pipe 30, it conveniently changes the inside cooling water discharge of box body 2 to arrange the material pipe 30 through the valve 31 control that opens and shuts, thereby reach the change of control cooling water.
The fixed water pump 14 that is provided with of lateral surface of box body 2, the output of water pump 14 passes 2 lateral walls of box body and enters into inside 5 cooling boxes, the output of water pump 14 and screw air compressor's the water piping connection that advances, inlet pipe 7 is worn to be equipped with by 6 lateral walls of filter box, inlet pipe 7 and screw air compressor's cooling water outlet pipe connection, one side of inlet pipe 7 is provided with inlet pipe two 32, inlet pipe two 32 passes filter box 6, inlet pipe two 32 and screw air compressor's comdenstion water outlet pipe screw-thread fit, screw air compressor can produce more comdenstion water when using, the temperature of comdenstion water is lower, the accessible comdenstion water is cooled down to screw air compressor.
The water pump 14 extracts the cooling water inside the cooling box 5, and the cooling water is conveyed to the water inlet pipe of the cooling water pipe of the screw air compressor again, so that the screw air compressor is cooled by the cooling water, and the cooling water flows out of the water outlet pipe end of the cooling water of the screw air compressor, so that the cooling water enters the inlet pipe I7, and enters the filter box 6 through the inlet pipe I7.
A filter plate 8 is arranged inside the filter box 6 in a sliding way at one side close to the feeding pipe I7, an adsorption component 9 is arranged at one side of the filter plate 8 in a sliding way, the adsorption component 9 comprises an adsorption box 15, a pull rod 16 and a bottom plate 17, connecting rod 18, baffle 19 and roof 20, adsorption box 15 side symmetry has seted up spacing groove 23, filter box 6 is inside to be fixed and is provided with gag lever post 24, gag lever post 24 is located inside the spacing groove 23, spacing groove 23 and gag lever post 24 sliding fit, connecting rod 18 is located and adsorbs box 15 inside and bottom plate 17 fixed connection, roof 20 rotates with adsorption box 15, pull rod 16 and adsorption box 15 normal running fit, adsorb box 15 and 2 sliding fit of box body, opening 21 has been seted up to 2 sides of box body, pull rod 16 passes opening 21 and baffle 19 and rotates to be connected, the mutual adaptation of baffle 19 and opening 21 is, baffle 19 keeps away from the fixed handle 22 that is provided with in one side of pull rod 16.
The filter plate 8 will be facing into the interior of the filter cassette 6. The cooling water filters, the impurity that is insoluble in water in the cooling water filters, filter 8 sliding design, conveniently take out filter 8, it can take out impurity more convenient to take out filter 8, the cooling water after the filtration stews in the filtering ponds, adsorb the cooling water through the inside adsorption material of absorption box 15, absorb some impurity that are soluble in water, sliding design's adsorption component 9 can take out the change fast, the convenience is to the change of adsorption material, thereby guarantee to adsorb the effect of inhaling.
When the adsorbing material needs to be replaced, the handle 22 is pulled, the handle 22 drives the baffle 19 to move, the baffle 19 drives the pull rod 16 to move the adsorption box 15, when the adsorption box 15 is pulled by the pull rod 16, the adsorption box 15 is stressed to move, the adsorption box 15 moves to drive the limiting rod 24 to move, the limiting rod 24 moves along the limiting groove 23, the limiting groove 23 plays a limiting role in limiting the limiting rod 24, the adsorption box 15 moves along the limiting groove 23 when moving, the upper end of the adsorption box 15 is close to the opening 21, the adsorption box 15 is continuously pulled to move out of the opening 21, the connecting rod 18 is pulled again, the connecting rod 18 drives the bottom plate 17 to move, the bottom plate 17 pushes out the adsorbing material inside the adsorption box 15, when the adsorbing material moves towards the outside of the adsorption box 15, the adsorbing material pushes the top plate 20, the top plate 20 is opened, the replacing of the adsorbing material is convenient, a new, the top plate 20 can block the adsorption box 15 to prevent the adsorption material from falling.
The bottom of the filter box 6 is provided with a sterilization assembly 10, the sterilization assembly 10 comprises a base 25, an ultraviolet lamp tube 26 and a glass tube 27, the base 25 is fixed inside the box body 2, the ultraviolet lamp tube 26 is in threaded connection with the base 25, the glass tube 27 is sleeved outside the ultraviolet lamp tube 26, the glass tube 27 is in threaded fit with the base 25, and the ultraviolet lamp tube 26 is electrically connected with the controller 3.
Disinfect to the cooling water through ultraviolet lamp, when reducing the long-term use, the inside bacterial growth that leads to, ultraviolet disinfection mainly acts on the DNA of microorganism, destroys the DNA structure, thereby it reaches the sterile purpose of disinfecting to make it lose the function of reproduction and self-reproduction, and glass pipe 27 plays the guard action to ultraviolet lamp, avoids the cooling water to ultraviolet lamp's damage, and base 25 plays the supporting role.
The inner wall of the filter box 6 is fixedly provided with a liquid level sensor 33, the liquid level sensor 33 is electrically connected with the controller 3, and the side surface of the cooling box 5 is provided with an observation window 34.
When the liquid level was too high, level sensor 33 detected the liquid level, through controller 3 signals, reminded the user to discharge the inside liquid of box body 2, avoided liquid too much to lead to spilling over of liquid, conveniently observed the inside liquid level height of cooling box 5 through observation window 34.
Claims (7)
1. A filtering and circulating device for cooling water of a screw air compressor comprises a box body (2) and a controller (3), wherein the controller (3) is arranged on one side of the box body (2), and is characterized in that a partition plate (4) is fixedly arranged inside the box body (2), the box body (2) is divided into a cooling box (5) and a filtering box (6) by the partition plate (4), a first feeding pipe (7) penetrates through the side wall of the filtering box (6), a filtering plate (8) is slidably arranged on one side, close to the first feeding pipe (7), inside the filtering box (6), of the filtering plate (8), an adsorption component (9) is slidably arranged on one side of the filtering plate (8), a sterilization component (10) is arranged at the bottom of the filtering box (6), a guide pipe (11) is fixedly penetrated through the partition plate (4), a fan (12) is arranged at the top end inside the cooling box (5), and an air outlet (13), the lateral surface of box body (2) is fixed and is provided with water pump (14), the output of water pump (14) passes inside box body (2) lateral wall enters into cooling box (5), fan (12), subassembly (10) and water pump (14) all with controller (3) electric connection disinfect.
2. The filtration cycle apparatus of screw air compressor cooling water according to claim 1, it is characterized in that the adsorption component (9) comprises an adsorption box (15), a pull rod (16), a bottom plate (17), a connecting rod (18), a baffle plate (19) and a top plate (20), the bottom plate (17) is arranged in the adsorption box (15) in a sliding way, the connecting rod (18) is positioned in the adsorption box (15) and is fixedly connected with the bottom plate (17), the top plate (20) and the adsorption box (15) rotate, the pull rod (16) and the adsorption box (15) are in running fit, the adsorption box (15) is in sliding fit with the box body (2), an opening (21) is arranged on the side surface of the box body (2), the pull rod (16) passes through the opening (21) and is rotatably connected with the baffle plate (19), the baffle (19) and the opening (21) are mutually adaptive, and a handle (22) is fixedly arranged on the side surface of one side, away from the pull rod (16), of the baffle (19).
3. The filtering and circulating device for the cooling water of the screw air compressor according to claim 2, wherein the side surface of the adsorption box (15) is symmetrically provided with a limiting groove (23), the filtering box (6) is internally and fixedly provided with a limiting rod (24), the limiting rod (24) is positioned in the limiting groove (23), and the limiting groove (23) and the limiting rod (24) are in sliding fit.
4. The filtering and circulating device for the cooling water of the screw air compressor of claim 1, wherein the sterilizing assembly (10) comprises a base (25), an ultraviolet lamp tube (26) and a glass tube (27), the base (25) is fixed inside the box body (2), the ultraviolet lamp tube (26) is in threaded connection with the base (25), the glass tube (27) is sleeved on the ultraviolet lamp tube (26), the glass tube (27) is in threaded connection with the base (25), and the ultraviolet lamp tube (26) is electrically connected with the controller (3).
5. The filtering and circulating device for the cooling water of the screw air compressor as claimed in claim 1, wherein a water inlet (28) is formed in the top of the box body (2), a cover plate (29) is hinged to the outside of the water inlet (28), a material discharging pipe (30) penetrates through the bottoms of the cooling box (5) and the filtering box (6), an opening and closing valve (31) is arranged on the material discharging pipe (30), a second feeding pipe (32) is arranged on one side of the first feeding pipe (7), and the second feeding pipe (32) penetrates through the filtering box (6).
6. The device for filtering and circulating cooling water of the screw air compressor as claimed in claim 1, wherein a liquid level sensor (33) is fixedly arranged on the inner wall of the filter box (6), and the liquid level sensor (33) is electrically connected with the controller (3).
7. The filtering and circulating device for the cooling water of the screw air compressor as claimed in claim 1, wherein the side surface of the cooling box (5) is provided with an observation window (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626239.7U CN212894290U (en) | 2020-08-07 | 2020-08-07 | Filtering and circulating device for cooling water of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626239.7U CN212894290U (en) | 2020-08-07 | 2020-08-07 | Filtering and circulating device for cooling water of screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212894290U true CN212894290U (en) | 2021-04-06 |
Family
ID=75236163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021626239.7U Expired - Fee Related CN212894290U (en) | 2020-08-07 | 2020-08-07 | Filtering and circulating device for cooling water of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212894290U (en) |
-
2020
- 2020-08-07 CN CN202021626239.7U patent/CN212894290U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109717125A (en) | A kind of aquatic products temporarily support system | |
| CN212894290U (en) | Filtering and circulating device for cooling water of screw air compressor | |
| CN112062093A (en) | Novel medical oxygen generator | |
| CN109028325B (en) | Water filtering type air purifier | |
| CN218831460U (en) | Sealwort device of growing seedlings | |
| CN210772922U (en) | Snow flake ice making device | |
| CN211921158U (en) | Water tank with sterilizing effect | |
| CN213344235U (en) | Food safety is with antibacterial storage device that keeps fresh | |
| CN113980764A (en) | Rice wine production and processing is with degerming equipment with clean mechanism of inner wall | |
| CN207135612U (en) | A kind of removable air purifier for plants | |
| CN105999944A (en) | Automatic dust removing device for flour processing | |
| CN108955061B (en) | Embedded air purification type refrigerator | |
| CN107747772B (en) | A kind of poultry house air cleaning unit | |
| CN112680356A (en) | Stem cell directional differentiation device for cell culture and use method thereof | |
| CN215027463U (en) | Novel practical medical molecular sieve oxygen production center all-in-one machine | |
| CN111760092A (en) | Hydrops processing apparatus that clinical treatment of old patient used | |
| CN214746337U (en) | Indoor air sterilizing device | |
| CN110385004A (en) | A kind of efficient dustproof air filter unit | |
| CN216654598U (en) | Laboratory is with laboratory cabinet that has and prevent peculiar smell | |
| CN219474023U (en) | Medical ice maker with antibacterial function | |
| CN105126497A (en) | Water filter material air cleaning apparatus | |
| CN220524306U (en) | Solution air cleaning unit | |
| CN216080231U (en) | Air suction circulating device of air sterilizing machine | |
| CN221701324U (en) | Drinking water purifying equipment | |
| CN217566868U (en) | Circulation treatment type closed space pollutant treatment device |
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: 20210406 |