CN216395789U - Air cleaner structure for laboratory biosafety - Google Patents
Air cleaner structure for laboratory biosafety Download PDFInfo
- Publication number
- CN216395789U CN216395789U CN202123144423.5U CN202123144423U CN216395789U CN 216395789 U CN216395789 U CN 216395789U CN 202123144423 U CN202123144423 U CN 202123144423U CN 216395789 U CN216395789 U CN 216395789U
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- Prior art keywords
- air
- ring frame
- assembly
- filter
- atomization
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- 238000000889 atomisation Methods 0.000 claims abstract description 49
- 238000001704 evaporation Methods 0.000 claims abstract description 47
- 230000008020 evaporation Effects 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 11
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000004888 barrier function Effects 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 2
- 229920004933 Terylene® Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to the technical field of laboratory air filtration, and discloses an air filter structure for laboratory biological safety. The filter assembly, the atomization sedimentation assembly and the heating evaporation assembly are assembled and combined, so that the filter assembly, the atomization sedimentation assembly and the heating evaporation assembly have synchronous filtering, purification, atomization sedimentation and heating evaporation functions, can filter, sterilize and disinfect air circulating in a laboratory in all directions, avoids safety accidents caused by outflow of harmful substances in the air, and can be conveniently detached and cleaned by workers at regular intervals through the assembly assemblies of the three groups of pull ring frames in the filter assembly in the use process.
Description
Technical Field
The utility model relates to the technical field of laboratory air filtration, in particular to an air filter structure for laboratory biological safety.
Background
The laboratory is the base of scientific research, the source of scientific and technological development plays an important role in scientific and technological development, the biological laboratory is used as one of the research laboratories and has a great promoting effect on scientific progress, and in the normal operation process of the biological laboratory, the circulation treatment of the air inside the biological laboratory is particularly important, and the freshness and the cleanness of the air circulation and discharge need to be emphatically ensured.
Through the retrieval, chinese patent web discloses a laboratory is with vent air cleaner (publication number CN212141830U), constitutes the filter through the card strip with a plurality of filter screens concatenation, effectively reduces the requirement to the vent size, and the same processing of every filter screen specification and dimension is convenient to be fit for the volume production easily and promotes simultaneously. But this type of device is in the use, and its filtration treatment performance to the air is comparatively single, can't effectually carry out the virus killing sterilization work to the inside air in laboratory, very easily leads to the inside hazardous gas outflow of laboratory, causes the incident. Accordingly, one skilled in the art provides a laboratory biosafety air filter structure to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a laboratory air filter structure for bio-safety, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: an air filter structure for laboratory biological safety is composed of a filter assembly, an atomization and sedimentation assembly and a heating and evaporation assembly, wherein the filter assembly is located at an air inlet of an atomization box body in the atomization and sedimentation assembly, and the heating and evaporation assembly is located at an air outlet of the atomization box body in the atomization and sedimentation assembly;
the filter assembly comprises a filter air duct, a first drawing ring frame, a second drawing ring frame and a third drawing ring frame are sequentially embedded and clamped in the end face of the upper part of the filter air duct from right to left, a dust filter screen is arranged below the first drawing ring frame, a fine dust filter screen is arranged below the second drawing ring frame, a purification filter screen is arranged below the third drawing ring frame, and a negative pressure fan is arranged at the position of a port of the first drawing ring frame;
the atomization sedimentation assembly comprises an atomization box body, a water injection valve is connected to the middle position above the atomization box body, a drain valve is connected to the middle position below the atomization box body, a water inlet of the water injection valve penetrates through the end face of the atomization box body and is connected with an atomization nozzle, and a first rain curtain barrier and a second rain curtain barrier are symmetrically arranged on the inner side of the atomization box body from right to left;
the heating evaporation assembly comprises an evaporation air duct, an exhaust air port is formed in one end of the evaporation air duct, heating coils are symmetrically arranged at positions of the front side and the rear side of the inner wall of the evaporation air duct, the inner side of the evaporation air duct is symmetrically arranged at the position of the upper half part, a lower guide plate is symmetrically arranged at the position of the upper half part, and an upper guide plate is symmetrically arranged at the position of the lower half part of the inner side of the evaporation air duct.
As a still further scheme of the utility model: the first drawing ring frame, the second drawing ring frame and the third drawing ring frame are all of semi-annular structures, and the first drawing ring frame, the second drawing ring frame and the third drawing ring frame are in interference fit with the filtering air duct.
As a still further scheme of the utility model: the dust filter screen is the stainless steel filter screen, the fines filter screen is the HEPA filter screen, it is the active carbon filter screen to purify the filter screen.
As a still further scheme of the utility model: the first rain curtain and the second rain curtain are symmetrically inclined for 15 degrees and are polyester nets.
As a still further scheme of the utility model: the heating coil is of a U-shaped pipe structure, and the number of the heating coils is two.
As a still further scheme of the utility model: the number of the upper guide plates is the same as that of the lower guide plates, and the upper guide plates and the lower guide plates are symmetrically arranged in a staggered manner in the forward direction and the reverse direction.
As a still further scheme of the utility model: the evaporation wind cylinder is of a conical tube structure, and a flow guide through hole is formed in the bottom of the upper flow guide plate in a penetrating mode.
Compared with the prior art, the utility model has the beneficial effects that:
the filter assembly, the atomization sedimentation assembly and the heating evaporation assembly are assembled and combined, so that the filter assembly, the atomization sedimentation assembly and the heating evaporation assembly have synchronous filtering, purification, atomization sedimentation and heating evaporation functions, can filter, sterilize and disinfect air circulating in a laboratory in all directions, avoids safety accidents caused by outflow of harmful substances in the air, and can be conveniently detached and cleaned by workers at regular intervals through the assembly assemblies of the three groups of pull ring frames in the filter assembly in the use process.
Drawings
FIG. 1 is a schematic structural diagram of a laboratory biosafety air filter structure;
FIG. 2 is a schematic diagram of a filter assembly in a laboratory biosafety air filter configuration;
FIG. 3 is a schematic diagram of an atomization settling component of a laboratory biosafety air filter configuration;
FIG. 4 is a schematic diagram of a heating and evaporating assembly in a laboratory biosafety air filter configuration.
In the figure: 1. a filtering air duct; 2. an atomization box body; 3. an evaporation wind cylinder; 4. a first pull ring frame; 5. a second pull ring frame; 6. a third pull ring frame; 7. a water injection valve; 8. an exhaust tuyere; 9. a negative pressure fan; 10. a dust filter screen; 11. a fine filter screen; 12. purifying the filter screen; 13. an atomizing spray head; 14. a first rain curtain barrier; 15. a second rain curtain barrier; 16. a drain valve; 17. an upper deflector; 18. a lower deflector; 19. a heating coil.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, an air filter structure for laboratory bio-safety comprises a filter assembly, an atomization settling assembly, and a heating evaporation assembly, wherein the filter assembly includes a filter drum 1, a first pull ring frame 4, a second pull ring frame 5, and a third pull ring frame 6 are sequentially embedded into an upper end surface of the filter drum 1 from right to left, the first pull ring frame 4, the second pull ring frame 5, and the third pull ring frame 6 are semi-annular structures, the first pull ring frame 4, the second pull ring frame 5, and the third pull ring frame 6 are all clamped with the filter drum 1 in an interference manner, and when the filter structure is periodically cleaned, a dust filter screen 10 can be conveniently and rapidly filtered, The fines filter screen 11 and the purification filter screen 12 are drawn out from the filtering air duct 1 for cleaning, and after cleaning is finished, only the three groups of drawing ring frames need to be clamped into the filtering air duct 1 again.
The below of first pull ring holder 4 is provided with dust filter screen 10, the below of second pull ring holder 5 is provided with fine fillings filter screen 11, the below of third pull ring holder 6 is provided with purification filter screen 12, the port position department of first pull ring holder 4 is provided with negative-pressure air fan 9, dust filter screen 10 is the stainless steel filter screen, fine fillings filter screen 11 is the HEPA filter screen, purification filter screen 12 is the active carbon filter screen, when carrying out circulation treatment to laboratory inside air, negative-pressure air fan 9 work, carry out the negative pressure to the air of laboratory inside and take out and attach, filter in the dryer 1 with the air suction, pass through dust filter screen 10 in proper order, fine fillings filter screen 11, purification filter screen 12 carries out coarse filtration, fine filtration, adsorption purification treatment.
The filter assembly is positioned at the air inlet position of the atomization box body 2 in the atomization settling assembly, the atomization settling assembly comprises an atomization box body 2, the upper part of the atomization box body 2 is connected with a water injection valve 7 at the middle position, the lower part of the atomization box body 2 is connected with a drain valve 16 at the middle position, a water inlet of the water injection valve 7 penetrates through the end surface of the atomization box body 2 and is connected with an atomization nozzle 13, the inner side of the atomization box body 2 is sequentially and symmetrically provided with a first rain curtain barrier 14 and a second rain curtain barrier 15 from right to left, the first rain curtain barrier 14 and the second rain curtain barrier 15 are symmetrically arranged in an inclined manner of 15 degrees, the first rain curtain barrier 14 and the second rain curtain barrier 15 are both polyester nets, the preliminarily filtered air flows into the atomization box body 2, and then the clean water is input into the atomization nozzle 13 through the water injection valve 7, the atomization nozzle 13 atomizes and sprays the clean water to be combined with the preliminarily filtered air, atomizing settlement processing once more is carried out to the air, and at the atomizing settlement in-process, first rain curtain barrier 14 and second rain curtain barrier 15 can carry out the adhesion to water smoke, make air and water smoke keep comprehensive contact, and the sewage after the atomizing is subsided passes through trap 16 and discharges unified clearance.
The heating evaporation component is positioned at the air outlet position of the atomization box body 2 in the atomization settling component, the heating evaporation component comprises an evaporation wind barrel 3, one end of the evaporation wind barrel 3 is provided with an exhaust air outlet 8, heating coils 19 are symmetrically arranged at the positions of the front side and the rear side of the inner wall of the evaporation wind barrel 3, lower guide plates 18 are symmetrically arranged at the position of the upper half part of the inner side of the evaporation wind barrel 3, upper guide plates 17 are symmetrically arranged at the position of the lower half part of the inner side of the evaporation wind barrel 3, the heating coils 19 are of a U-shaped pipe structure, the number of the heating coils 19 is two, the number of the upper guide plates 17 is the same as that of the lower guide plates 18, the upper guide plates 17 and the lower guide plates 18 are symmetrically arranged in a positive and reverse staggered manner, the air after atomization settling is discharged into the evaporation wind barrel 3, and the circulation flow guiding is carried out on the upper guide plates 17 and the lower guide plates 18 through the symmetrical staggered arrangement in the positive and reverse directions, make the air keep long sufficient circulation state in evaporation dryer 3, and at atomizing air circulation in-process, heating coil 19 works, heat the evaporation to atomizing air, the water smoke of the mixture in the air is under heating coil 19's heating, the rapid evaporation is the steam state, carry out steam sterilization to the harmful substance in the air, and then clean air after the heat evaporation passes through exhaust air port 8 and discharges, evaporation dryer 3 is the toper tubular construction, the bottom of going up guide plate 17 is run through and has been seted up the water conservancy diversion through-hole, in heating the evaporation process to atomizing air, the remaining water of evaporation dryer 3 flows back to atomization box 2 in through the water conservancy diversion through-hole of going up guide plate 17 bottom, together discharge through trap 16 and carry out the unified processing.
The working principle of the utility model is as follows: when the air inside the laboratory is circulated and treated, the negative pressure fan 9 works to perform negative pressure suction on the air inside the laboratory, the air is sucked into the filtering air duct 1 and then sequentially passes through the dust filter screen 10, the fine dust filter screen 11 and the purifying filter screen 12 to perform coarse filtering, fine filtering and adsorption purification treatment, the primarily filtered air flows into the atomizing box body 2, then the clean water is input into the atomizing nozzle 13 through the water injection valve 7, the atomizing nozzle 13 atomizes and sprays the clean water to be combined with the primarily filtered air to perform secondary atomizing and settling treatment on the air, in the atomizing and settling process, the first rain curtain screen 14 and the second rain curtain screen 15 can adhere to water mist, so that the air and the water mist keep comprehensive contact, the sewage after the atomizing and settling is uniformly discharged through the drain valve 16 to be uniformly cleaned, the atomized and settled air is discharged into the evaporating air duct 3, through just, reverse symmetry staggered arrangement goes up guide plate 17 and lower guide plate 18 and circulates the water conservancy diversion, make the air keep long sufficient circulation state in evaporation dryer 3, and at the atomizing air circulation in-process, heating coil 19 work, heat evaporation carries out to atomizing air, the water smoke of the mixture in the air is under heating coil 19's heating, the rapid evaporation is the steam state, carry out steam sterilization to the harmful substance in the air, and then clean air after the heat evaporation passes through exhaust air port 8 and discharges.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The air filter structure for the laboratory biological safety is characterized by comprising a filter assembly, an atomization settling assembly and a heating and evaporation assembly, wherein the filter assembly is positioned at an air inlet of an atomization box body (2) in the atomization settling assembly, and the heating and evaporation assembly is positioned at an air outlet of the atomization box body (2) in the atomization settling assembly;
the filter assembly comprises a filter air duct (1), a first drawing ring frame (4), a second drawing ring frame (5) and a third drawing ring frame (6) are sequentially embedded and clamped in the end face of the upper portion of the filter air duct (1) from right to left, a dust filter screen (10) is arranged below the first drawing ring frame (4), a fine scrap filter screen (11) is arranged below the second drawing ring frame (5), a purification filter screen (12) is arranged below the third drawing ring frame (6), and a negative pressure fan (9) is arranged at the port position of the first drawing ring frame (4);
the atomization sedimentation component comprises an atomization box body (2), a water injection valve (7) is connected to the position, located in the middle, above the atomization box body (2), a drain valve (16) is connected to the position, located in the middle, below the atomization box body (2), of the middle, a water inlet of the water injection valve (7) penetrates through the end face of the atomization box body (2) and is connected with an atomization nozzle (13), and a first rain curtain partition curtain (14) and a second rain curtain partition curtain (15) are symmetrically arranged on the inner side of the atomization box body (2) from right to left in sequence;
the heating evaporation assembly comprises an evaporation air duct (3), an exhaust air port (8) is formed in one end of the evaporation air duct (3), heating coils (19) are symmetrically arranged at positions of the two sides of the inner wall of the evaporation air duct (3) around the position, a lower guide plate (18) is symmetrically arranged at the position of the upper half of the inner side of the evaporation air duct (3), and an upper guide plate (17) is symmetrically arranged at the position of the lower half of the inner side of the evaporation air duct (3).
2. The air filter structure for laboratory biosafety according to claim 1, wherein the first pull ring frame (4), the second pull ring frame (5) and the third pull ring frame (6) are all semi-annular structures, and the first pull ring frame (4), the second pull ring frame (5) and the third pull ring frame (6) are all in interference fit with the filtering air duct (1).
3. The air filter structure for laboratory biosafety according to claim 1, characterized in that the dust filter screen (10) is a stainless steel filter screen, the fines filter screen (11) is a HEPA filter screen, and the purification filter screen (12) is an activated carbon filter screen.
4. The air filter structure for laboratory biosafety according to claim 1, wherein the first rain curtain barrier (14) and the second rain curtain barrier (15) are symmetrically arranged with an inclination of 15 degrees, and the first rain curtain barrier (14) and the second rain curtain barrier (15) are both terylene nets.
5. A laboratory biosafety air filter construction according to claim 1, characterized in that the heating coils (19) are of U-tube construction and the number of heating coils (19) is two.
6. The air filter structure for laboratory biosafety according to claim 1, wherein the number of the upper deflectors (17) and the number of the lower deflectors (18) are the same, and the upper deflectors (17) and the lower deflectors (18) are symmetrically arranged in a staggered manner in the positive direction and the reverse direction.
7. The air filter structure for laboratory biosafety according to claim 1, wherein the evaporation air cylinder (3) is of a conical tube structure, and a flow guide through hole is formed in the bottom of the upper flow guide plate (17) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144423.5U CN216395789U (en) | 2021-12-14 | 2021-12-14 | Air cleaner structure for laboratory biosafety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144423.5U CN216395789U (en) | 2021-12-14 | 2021-12-14 | Air cleaner structure for laboratory biosafety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216395789U true CN216395789U (en) | 2022-04-29 |
Family
ID=81282583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123144423.5U Expired - Fee Related CN216395789U (en) | 2021-12-14 | 2021-12-14 | Air cleaner structure for laboratory biosafety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216395789U (en) |
-
2021
- 2021-12-14 CN CN202123144423.5U patent/CN216395789U/en not_active Expired - Fee Related
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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: 20220429 |