CN115738540A - Air filter device for adhesive paper production workshop - Google Patents
Air filter device for adhesive paper production workshop Download PDFInfo
- Publication number
- CN115738540A CN115738540A CN202211581521.1A CN202211581521A CN115738540A CN 115738540 A CN115738540 A CN 115738540A CN 202211581521 A CN202211581521 A CN 202211581521A CN 115738540 A CN115738540 A CN 115738540A
- Authority
- CN
- China
- Prior art keywords
- air
- fixedly connected
- bottom plate
- pipe
- glue
- 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.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Filtering Materials (AREA)
Abstract
The invention discloses an air filtering device for an adhesive paper production workshop, which comprises a hollow bottom plate and a heightening column; the upper surface of the hollow bottom plate is fixedly connected with a plurality of heightening columns; the upper end of the heightening column is fixedly connected with a collecting bottom plate; the hollow bottom plate is fixedly connected with a first pipe in a communicating manner; through being full of the running water in three filter mantles, behind resin solution and the banana water, the circular telegram starts the air pump for air in the adhesive tape factory building gets into hollow bottom plate from the metal gooseneck, the first pipe, the air pump, the second pipe, collect the bottom plate, intermediate pipe and check valve get into in the filter mantel and with the running water, resin solution and banana water contact dissolve, and under the control of valve, can realize absorbing glue or single glue of multiple solubility ability simultaneously, thereby realized dissolving the absorption to the glue molecule in the air, the function of the glue molecule in the filtered air has been realized, the problem that influences human safety in the glue spreads to the air in the current adhesive tape production has been solved.
Description
Technical Field
The invention relates to the field of adhesive tape production, in particular to an air filtering device for an adhesive tape production workshop.
Background
The gummed paper is one of paper, is different from ordinary paper in that one side of paper has viscidity glue to can utilize glue to fix the paper on the surface of other objects, thereby show the one side of paper that does not have the glue, the gummed paper often is used in the aspect of propaganda.
The utility model discloses a chinese utility model patent CN214219219U discloses gumming paper air cooling device, including the mount, the inner wall fixedly connected with conveyer belt of mount, the outer wall fixedly connected with install bin of mount, the quantity of install bin sets up to three, the inner wall of install bin is equipped with the mounting groove, the removal of mounting groove inner wall is connected with the filter screen, the other end fixedly connected with fixed box of mounting groove inner wall, the inner wall fixedly connected with fan of fixed box, one side sliding connection of install bin has the fixture block. The utility model discloses a set up fixture block, filter screen, first rotor plate and second rotor plate, through setting up three install bin at the mount outer wall, carry out the blast cooling to the gummed paper that send the belt top simultaneously, effectively promote cooling efficiency, simultaneously at one side fixedly connected with filter screen of fan, filter the impurity in the air, prevent that impurity adhesion from influencing the quality at gummed paper surface.
Glue can volatilize in the air in heating and the in-process of using, leads to the workman to inhale when not doing respiratory protection after, influence human lung healthy, and glue volatilizees in the air after, can contact with eyes, leads to the eyes of people to produce the condition such as dry and astringent, stream tears, influences the health of eyes.
Disclosure of Invention
The invention aims to solve the technical problems and provides an air filtering device for an adhesive paper production workshop.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme;
the technical scheme adopted by the invention for solving the technical problems is as follows: the air filtering device for the adhesive paper production workshop comprises a hollow bottom plate and a heightening column; the upper surface of the hollow bottom plate is fixedly connected with a plurality of heightening columns; the upper end of the heightening column is fixedly connected with a collecting bottom plate; the hollow bottom plate is fixedly connected with a first pipe in a communicating manner; the upper end of the first pipe is fixedly connected with an air pump; the output end of the air pump is fixedly connected with a second pipe; the second pipe is communicated and fixedly connected with the collecting bottom plate; a plurality of distribution holes are uniformly distributed on the upper surface of the collection bottom plate; the internal thread of the distribution hole is hermetically inserted with a middle pipe; the middle pipe is sleeved with a sealing ring; a one-way valve is fixedly connected with the middle pipe through a groove; a plurality of filter hoods are sleeved on the middle pipe; the filter cover is provided with an inclined hole corresponding to the middle pipe; a plurality of valves are fixedly connected to the second pipe; the side surface of the hollow bottom plate is fixedly connected with a plurality of air pipe joints; a metal gooseneck is inserted into the air pipe joint; during operation, through being full of the running water in three filter mantles, behind resin solution and the banana water, the circular telegram starts the air pump for outside air gets into hollow bottom plate from the metal gooseneck, the first pipe, the air pump, the second pipe, collect the bottom plate, intermediate pipe and check valve get into in the filter mantel and dissolve with the running water, resin solution and banana water contact, and under the control of valve, can realize absorbing glue or single glue of multiple solubility ability simultaneously, thereby realized dissolving the absorption to the glue molecule in the air, realized the function of the glue molecule in the filtered air, solved the problem that glue influences human safety in diffusing to the air in the current adhesive tape production.
Furthermore, a separation frame is inserted in the filter cover; the separating frame is provided with a plurality of separating holes; during operation, make through separating the frame and separating the hole and get into the air in the filter mantle from the discharge in the check valve can be separated into the microbubble to make and carry out abundant contact with the dissolved glue solution in the filter mantle, thereby glue molecule in the quick thorough absorption air has realized filtering the glue in the air, has solved the problem of the equipment filtration efficiency of current filtration glue molecule.
Furthermore, a dust hood is detachably sleeved at an opening at the upper end of the filter hood; two sides of the filter cover are symmetrically and fixedly connected with movable handles; during operation makes the filter mantle keep sealed dustproof when not using through the dust excluding hood, through the removal handle of symmetry for when the filter mantle that fills with dissolved glue solution is filled in needs removal, can double carry out stable transport, solved current air filter's large-scale consumptive material and changed inconvenient problem.
Furthermore, a plurality of universal wheels are fixedly connected to the lower end of the hollow bottom plate; the upper end of the heightening column is sleeved with an adjusting lantern ring; a plurality of hanging hooks are symmetrically and fixedly connected to the adjusting lantern ring; make this device convenient removal through the universal wheel to can carry out accurate absorption to the place that concentration is high, through adjusting the lantern ring and unsettled couple, make and to hang the object, facilitate the use.
Furthermore, an adjusting sleeve is sleeved on the metal gooseneck; a linkage shaft is inserted into the inner hole of the adjusting sleeve; during operation, peg graft at a plurality of adjustment sleeve intraductally through the universal driving shaft to the realization removes the position that a universal driving shaft can change the export of a plurality of metal gooseneck, thereby conveniently carries out the position of quick regulation absorbed air in batches, can adjust to near that glue volatile concentration is high and carry out the efficient absorbed air, has solved current air filter and can't carry out accurate absorption to the place that certain concentration is high and has leaded to the problem that absorption efficiency is low.
Further, the axis of the separation hole is vertically downward; the inclined angle of the inclined hole is the same as that of the sealing ring; the during operation, it is the same with the inclination of sealing washer through the angling hole, make three filter mantle fill with the running water, resin solution and banana water back, can steadily press the realization to seal on the sealing washer, thereby realize through the check valve intercommunication filter mantle in the intermediate pipe and collect the bottom plate, make the air can one-way removal, thereby realize in the air injection filter mantle that will contain glue, solution contact with inside realizes dissolving the absorption, the filtration to glue smell in the air has been realized, the glue molecular absorption's in current air filter equipment and the air is not abundant.
The air filtering device for the adhesive paper production workshop provided by the invention has the following beneficial effects:
1. according to the invention, after tap water, resin solution and banana oil are filled in the three filter covers, the air pump is started by electrifying, so that air in a gummed paper production plant enters the hollow bottom plate, the first pipe, the air pump, the second pipe, the collecting bottom plate, the middle pipe and the one-way valve from the metal gooseneck pipe and enters the filter covers to be contacted with the tap water, the resin solution and the banana oil for dissolving, and glue or single glue with various dissolving performances can be absorbed simultaneously under the control of the valve, so that the glue molecules in the air are dissolved and absorbed, the function of filtering the glue molecules in the air is realized, and the problem that the glue diffuses into the air to influence the safety of a human body in the existing gummed paper production is solved;
2. according to the invention, the air discharged from the one-way valve and entering the filter cover can be divided into small bubbles through the separating frame and the separating holes, so that the air is in full contact with a dissolved glue solution in the filter cover, glue molecules in the air can be rapidly and thoroughly absorbed, and the glue in the air can be filtered.
Drawings
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings;
FIG. 1 is a schematic view of a first perspective of an air filtration unit for use in an adhesive paper manufacturing plant;
FIG. 2 is a second perspective view of an air filtration unit for a gummed paper production plant;
FIG. 3 is a third perspective view of an air filtration device for a gummed paper production plant;
FIG. 4 is a schematic view of a first cross-sectional perspective view of an air filtration apparatus for use in an adhesive paper manufacturing plant;
FIG. 5 is a schematic diagram of a second cross-sectional three-dimensional structure of an air filter device for an adhesive paper production workshop.
The reference numbers in the figures illustrate: 1. a hollow base plate; 2. a heightening column; 3. a collection bottom plate; 4. a first tube; 5. an air pump; 6. a second tube; 7. a distribution hole; 8. an intermediate pipe; 9. a seal ring; 10. a one-way valve; 11. an inclined hole; 12. a filter housing; 13. a spacer; 14. a separation hole; 15. moving the handle; 16. a dust hood; 17. a universal wheel; 18. a gas pipe joint; 19. a metal gooseneck; 20. adjusting the sleeve; 21. a linkage shaft; 22. adjusting the lantern ring; 23. hanging hooks; 24. and (4) a valve.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicators are changed accordingly, and the connection may be a direct connection or an indirect connection.
Referring to fig. 1-5, an air filtering device for adhesive paper production workshop includes a hollow base plate 1 and a heightening column 2; the upper surface of the hollow bottom plate 1 is fixedly connected with a plurality of heightening columns 2; the upper end of the heightening column 2 is fixedly connected with a collecting bottom plate 3; the hollow bottom plate 1 is fixedly connected with a first pipe 4; the upper end of the first pipe 4 is fixedly connected with an air pump 5; the output end of the air pump 5 is fixedly connected with a second pipe 6; the second pipe 6 is communicated and fixedly connected with the collecting bottom plate 3; a plurality of distribution holes 7 are uniformly distributed on the upper surface of the collection bottom plate 3; a middle pipe 8 is inserted in the distribution hole 7 in a sealing manner; the middle pipe 8 is sleeved with a sealing ring 9; a one-way valve 10 is fixedly connected with the inner groove of the middle pipe 8; a plurality of filter hoods 12 are sleeved on the middle pipe 8; the filter cover 12 is provided with an inclined hole 11 corresponding to the middle pipe 8; a plurality of valves 24 are fixedly connected to the second pipe 6; the side surface of the hollow bottom plate 1 is fixedly connected with a plurality of air pipe joints 18; a metal gooseneck 19 is inserted into the air pipe joint 18; during operation, through filling up the running water in three filter mantles 12, behind resin solution and the banana water, the circular telegram starts air pump 5 for outside air gets into hollow bottom plate 1 from metal gooseneck 19, first pipe 4, air pump 5, second pipe 6, collect bottom plate 3, intermediate tube 8 and check valve 10 and gets into in filter mantles 12 and contact with the running water, resin solution and banana water and dissolve, and under the control of valve 24, can realize absorbing glue or single glue of multiple solubility ability simultaneously, thereby realized dissolving the absorption to the glue molecule in the air, realized the function of the glue molecule in the filtered air, solved glue diffusion influence human safety's in the current adhesive tape production problem in the air.
A separation frame 13 is inserted in the filter cover 12; a plurality of separation holes 14 are formed in the separation frame 13; during operation, the air discharged from the one-way valve 10 into the filter housing 12 can be separated into small bubbles through the separating frame 13 and the separating holes 14, so that the air is in full contact with the dissolved glue solution in the filter housing 12, glue molecules in the air can be rapidly and thoroughly absorbed, the glue in the air can be filtered, and the problem of the filtering efficiency of the existing glue molecule filtering equipment is solved.
An opening at the upper end of the filter hood 12 is detachably sleeved with a dust hood 16; two sides of the filter cover 12 are symmetrically and fixedly connected with movable handles 15; the during operation makes filter mantle 12 keep sealed dustproof when not using through dust excluding hood 16, through the removal handle 15 of symmetry for when needing to remove the filter mantle 12 of filling with dissolved glue solution, can double carry out stable transport, solved current air filter device's large-scale consumptive material and change inconvenient problem.
The lower end of the hollow bottom plate 1 is fixedly connected with a plurality of universal wheels 17; the upper end of the heightening column 2 is sleeved with an adjusting lantern ring 22; a plurality of hanging hooks 23 are symmetrically and fixedly connected to the adjusting lantern ring 22; during operation makes this device conveniently remove through universal wheel 17 to can carry out accurate absorption to the place that concentration is high, through adjusting lantern ring 22 and unsettled couple 23, make and to hang object, facilitate the use.
An adjusting sleeve 20 is sleeved on the metal gooseneck 19; a linkage shaft 21 is inserted into an opening in the adjusting sleeve 20; during operation is pegged graft in a plurality of adjusting collar 20 through universal driving shaft 21 to the realization removes the position that a universal driving shaft 21 can change the export of a plurality of metal gooseneck 19, thereby conveniently carries out the position of quick regulation absorption air in batches, can adjust to near glue concentration of volatilizing is high and carry out the efficient absorption air, has solved current air filter and can't carry out accurate absorption to the place that certain concentration is high and has leaded to the problem of absorption inefficiency.
The axis of the partition hole 14 is vertically downward; the inclined hole 11 and the sealing ring 9 have the same inclined angle; the during operation, it is the same with the inclination of sealing washer 9 through the inclined hole 11, make three filter mantle 12 fill with the running water, resin solution and banana water back, can steadily press the realization to seal on sealing washer 9, thereby realize through check valve 10 intercommunication filter mantle 12 in the intermediate pipe 8 and collect bottom plate 3, make the air can one-way removal, thereby realize in the air injection filter mantle 12 that will contain glue, solution contact with inside realizes dissolving the absorption, the filtration to glue smell in the air has been realized, the glue molecule absorptive inadequacy in current air filter equipment and the air has been solved.
By adopting the scheme, when the glue filtering device is used, after tap water, resin solution and banana oil are filled in the three filter covers 12, the air pump 5 is electrified to be started, so that outside air enters the hollow bottom plate 1, the first pipe 4, the air pump 5, the second pipe 6, the collecting bottom plate 3, the middle pipe 8 and the one-way valve 10 from the metal gooseneck 19 into the filter covers 12 to be contacted with the tap water, the resin solution and the banana oil for dissolving, and glue or single glue with various dissolving performances can be absorbed simultaneously under the control of the valve 24, so that the glue molecules in the air are dissolved and absorbed, the function of filtering the glue molecules in the air is realized, and the problem that the glue is diffused into the air to influence the safety of a human body in the existing glue paper production is solved; the air discharged from the one-way valve 10 and entering the filter housing 12 can be divided into small bubbles through the separating frame 13 and the separating holes 14, so that the air is in full contact with the dissolved glue solution in the filter housing 12, glue molecules in the air are rapidly and thoroughly absorbed, the glue in the air is filtered, and the problem of the filtering efficiency of the existing glue molecule filtering equipment is solved; the filter cover 12 is kept sealed and dustproof when not used through the dust hood 16, and stable carrying can be carried by two persons when the filter cover 12 filled with the dissolved glue solution needs to be moved through the symmetrical moving handles 15, so that the problem that large consumables of the conventional air filtering device are inconvenient to replace is solved; the device is convenient to move through the universal wheels 17, so that accurate absorption can be performed on places with high concentration, and objects can be hung through the adjustment of the lantern ring 22 and the hanging hooks 23, so that the device is convenient to use; the universal air filtering device has the advantages that the universal air filtering device is inserted into the adjusting sleeves 20 through the linkage shafts 21, so that the positions of outlets of the metal gooseneck pipes 19 can be changed by moving one linkage shaft 21, the positions of absorbed air can be conveniently and rapidly adjusted in batches, the air can be efficiently absorbed by adjusting the position close to the position with high glue volatilization concentration, and the problem that the absorption efficiency is low because the existing air filtering device cannot accurately absorb a certain position with high concentration is solved; the inclination angle through the inclined hole 11 is the same with the sealing washer 9, make three filter mantle 12 fill with the running water, resin solution and banana water back, can steadily press the realization to seal on sealing washer 9, thereby realize that the check valve 10 through the intermediate pipe 8 in communicates filter mantle 12 and collects bottom plate 3, make the air can one-way removal, thereby realize in will containing the air injection filter mantle 12 of glue, realize dissolving the absorption with the solution contact of inside, the filtration to glue smell in the air has been realized, the glue molecular absorption's in current air filter equipment and the air is not abundant.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.
Claims (6)
1. An air filtering device for an adhesive paper production workshop is characterized in that the air filtering device comprises a filter screen and a filter screen; comprises a hollow bottom plate (1) and a heightening column (2); the upper surface of the hollow bottom plate (1) is fixedly connected with a plurality of heightening columns (2); the upper end of the heightening column (2) is fixedly connected with a collecting bottom plate (3); the hollow bottom plate (1) is fixedly connected with a first pipe (4) in a communicating manner; the upper end of the first pipe (4) is fixedly connected with an air pump (5); the output end of the air pump (5) is fixedly connected with a second pipe (6); the second pipe (6) is communicated and fixedly connected with the collecting bottom plate (3); a plurality of distribution holes (7) are uniformly distributed on the upper surface of the collection bottom plate (3); the internal thread of the distribution hole (7) is hermetically inserted with a middle pipe (8); a sealing ring (9) is sleeved on the middle pipe (8); a one-way valve (10) is fixedly connected with the inner groove of the middle pipe (8); a plurality of filter hoods (12) are sleeved on the middle pipe (8); the filter cover (12) is provided with an inclined hole (11) corresponding to the middle pipe (8); a plurality of valves (24) are fixedly connected to the second pipe (6); the side surface of the hollow bottom plate (1) is fixedly connected with a plurality of air pipe joints (18); a metal gooseneck (19) is inserted in the air pipe joint (18).
2. The air filtering device for the adhesive paper production workshop as claimed in claim 1, wherein: a separation frame (13) is inserted in the filter cover (12); the separation frame (13) is provided with a plurality of separation holes (14).
3. The air filtering device for the adhesive paper production workshop as claimed in claim 2, wherein: an opening at the upper end of the filter hood (12) is detachably sleeved with a dust removal hood (16); and two sides of the filter cover (12) are symmetrically and fixedly connected with movable handles (15).
4. The air filtering device for the adhesive paper production workshop as claimed in claim 3, wherein: the lower end of the hollow bottom plate (1) is fixedly connected with a plurality of universal wheels (17); the upper end of the heightening column (2) is sleeved with an adjusting lantern ring (22); a plurality of hanging hooks (23) are symmetrically and fixedly connected to the adjusting lantern ring (22).
5. The air filtering device for the adhesive paper production workshop as claimed in claim 4, wherein: an adjusting sleeve (20) is sleeved on the metal gooseneck (19); a linkage shaft (21) is inserted into an opening in the adjusting sleeve (20).
6. The air filtering device for the adhesive paper production workshop as claimed in claim 5, wherein: the axis of the separation hole (14) is vertically downward; the inclined hole (11) and the sealing ring (9) have the same inclined angle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211581521.1A CN115738540A (en) | 2022-12-08 | 2022-12-08 | Air filter device for adhesive paper production workshop |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211581521.1A CN115738540A (en) | 2022-12-08 | 2022-12-08 | Air filter device for adhesive paper production workshop |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115738540A true CN115738540A (en) | 2023-03-07 |
Family
ID=85344927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211581521.1A Pending CN115738540A (en) | 2022-12-08 | 2022-12-08 | Air filter device for adhesive paper production workshop |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115738540A (en) |
-
2022
- 2022-12-08 CN CN202211581521.1A patent/CN115738540A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203615498U (en) | Dehumidifying machine | |
CN206347659U (en) | A kind of portable air purifier | |
CN115738540A (en) | Air filter device for adhesive paper production workshop | |
CN220498177U (en) | Welding equipment for machining tricycle parts | |
KR20200086164A (en) | Air Cleaner Having Humidifying Function | |
CN117206301A (en) | Gold-containing flue gas collection device and application method thereof | |
CN113041743A (en) | Air purification device convenient to renew cartridge more | |
CN110961757A (en) | Electronic assembly welding table of integrated tool | |
CN219703884U (en) | Welding set that automobile parts production was used | |
CN205690640U (en) | A kind of indoor environment compact air purifier | |
CN212597823U (en) | A calendering device for gauze mask processing | |
CN213725613U (en) | Make things convenient for domestic formaldehyde device that removes of active carbon change | |
CN204853725U (en) | Multi -function air purifier | |
CN112023599A (en) | Energy-concerving and environment-protective air purification filter equipment that uses | |
CN213556201U (en) | Formaldehyde removal device convenient for filter plate disassembly and assembly | |
CN206771612U (en) | Humidifying structure and air cleaning unit | |
CN109719686A (en) | Workbench is used in a kind of processing of bonding gold wire | |
CN211386244U (en) | Fan assembling and welding equipment | |
CN214812014U (en) | Dustproof and environment-friendly plastic spraying room | |
CN218945504U (en) | Bonding device for producing cervical dilator | |
CN214081410U (en) | Mask piece clamping and conveying device of mask machine | |
CN220025801U (en) | Filter for mugwort nose | |
CN212068276U (en) | Novel air filter | |
CN214094779U (en) | Atomizing humidifier | |
CN220495963U (en) | Waste incineration flue gas treatment device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |