CN215137848U - High-grade biosafety laboratory drainage breather pipe filter - Google Patents
High-grade biosafety laboratory drainage breather pipe filter Download PDFInfo
- Publication number
- CN215137848U CN215137848U CN202121236835.9U CN202121236835U CN215137848U CN 215137848 U CN215137848 U CN 215137848U CN 202121236835 U CN202121236835 U CN 202121236835U CN 215137848 U CN215137848 U CN 215137848U
- Authority
- CN
- China
- Prior art keywords
- biosafety
- module
- airtight valve
- situ
- barrel
- 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.)
- Active
Links
Images
Abstract
The application provides a high-grade biosafety laboratory drainage breather pipe filter includes: the device comprises a cylinder, a biological safety type airtight valve, a high-efficiency filtering filter element module, a UV (ultraviolet) sterilization module, an in-situ disinfection module and a MPPS (maximum power point tracking) leakage detection module; the biological safety type airtight valves are respectively and fixedly arranged at the upper end and the lower end of the cylinder body; the high-efficiency filter element module is arranged inside the cylinder body; the UV sterilization module is fixed in the barrel and is positioned on one side of the outlet of the high-efficiency filtering core module; the in-situ disinfection module and the interior of the cylinder form a circulation channel; the MPPS leakage detection module is arranged on one side of the barrel and used for sampling aerosol by a probe of the scanning leakage detection device. The application provides a filter has that it is high to pathogenic microorganism filtration efficiency in the drainage breather pipe, can carry out characteristics such as normal position disinfection and MPPS leak hunting.
Description
Technical Field
The utility model belongs to the technical field of biological safety protection, especially, relate to a high-grade biosafety laboratory drainage breather pipe filter.
Background
In the drainage process of places such as high-grade biosafety laboratories (BSL-3, BSL-4, ABSL-3 and ABSL-4), infectious disease hospitals or infectious departments of comprehensive hospitals, pathogenic microorganisms (such as novel coronavirus, Ebola virus and the like) can escape to the outdoor atmosphere through a drainage pipeline vent pipe through air or aerosol and the like, so that serious public health safety accidents such as disease transmission and the like are caused.
However, the filtration efficiency of the high-efficiency filter installed on the existing drainage breather pipe is generally 99.995%, and the high-efficiency filter cannot reach the H14 grade filtration grade standard in the European Union standard; and the high-efficiency filter is difficult or impossible to disinfect and detect in situ, and can not meet the regulations related to WHO's handbook of laboratory biological safety (3 rd edition) and GB19489-2008 ' general requirements for laboratory biological safety '.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-grade biosafety laboratory drainage breather pipe filter for solve high efficiency filter can't reach H14 level filtration grade standard and can't carry out the technical problem of normal position disinfection and detection in the European Union standard.
The utility model provides a pair of high-grade biosafety laboratory drainage breather pipe filter, include: the device comprises a cylinder, a biological safety type airtight valve, a high-efficiency filtering filter element module, a UV (ultraviolet) sterilization module, an in-situ disinfection module and a MPPS (maximum power point tracking) leakage detection module;
the biosafety type airtight valve comprises a first biosafety type airtight valve and a second biosafety type airtight valve, and the first biosafety type airtight valve and the second biosafety type airtight valve are fixedly arranged at the upper end and the lower end of the cylinder respectively;
the high-efficiency filtering core module comprises a high-efficiency filtering core which is fixedly arranged inside the barrel;
the UV sterilization module comprises a UV light source and an elastic light source clamp, and the UV light source is fixed in the barrel through the elastic light source clamp and is positioned on one side of the outlet of the high-efficiency filtering filter element;
the in-situ disinfection module comprises an in-situ disinfection air inlet, an in-situ disinfection air outlet and a disinfection gas storage tank, the in-situ disinfection air inlet and the in-situ disinfection air outlet are formed in two ends of the side face of the cylinder body, and the disinfection gas storage tank is communicated with the in-situ disinfection air inlet and the in-situ disinfection air outlet to form a circulation channel with the inside of the cylinder body;
MPPS leak hunting module includes MPPS leak hunting mouth, MPPS leak hunting mouth is seted up one side of barrel for the probe of scanning leak hunting device carries out the aerosol sample.
According to an optional implementation mode, two end heads of the cylinder body respectively extend outwards and are connected with end cover reducing holes in a sealing mode, and the biological safety type airtight valve is fixedly installed at the end holes of the end cover reducing holes.
In an optional implementation mode, the biosafety airtight valve is fixedly connected with the reducing port of the end cover through an end cover flange.
The utility model provides an optional embodiment, barrel one end welding has first reinforcement flange, the welding of end cover reducing has second reinforcement flange, first reinforcement flange with second reinforcement flange spiro union.
In an alternative embodiment, the high-efficiency filter cartridge module further includes an upper protection frame and a lower protection frame, and the high-efficiency filter cartridge is sealed between the upper protection frame and the lower protection frame.
In an optional embodiment, the UV sterilization module further includes a biosafety cable punch fixed on the wall of the barrel in a penetrating manner, and an electronic ballast, wherein the UV light source cable penetrates through the barrel through the biosafety cable punch and is connected with the terminal of the electronic ballast.
In an optional embodiment, the in-situ sterilization air inlet and the in-situ sterilization air outlet are detachably connected with a third biosafety air-tight valve and a fourth biosafety air-tight valve respectively.
In an optional embodiment, a circulating fan is communicated between the sterilizing gas storage tank and the in-situ sterilizing gas outlet.
Based on the above embodiment, the utility model provides a high-grade biosafety laboratory drainage breather pipe filter, include: the device comprises a cylinder, a biological safety type airtight valve, a high-efficiency filtering filter element module, a UV (ultraviolet) sterilization module, an in-situ disinfection module and a MPPS (maximum power point tracking) leakage detection module; the biosafety type airtight valve comprises a first biosafety type airtight valve and a second biosafety type airtight valve, and the first biosafety type airtight valve and the second biosafety type airtight valve are fixedly arranged at the upper end and the lower end of the cylinder respectively; the high-efficiency filtering core module comprises a high-efficiency filtering core which is fixedly arranged inside the barrel; the UV sterilization module comprises a UV light source and an elastic light source clamp, and the UV light source is fixed in the barrel through the elastic light source clamp and is positioned on one side of the outlet of the high-efficiency filtering filter element; the in-situ disinfection module comprises an in-situ disinfection air inlet, an in-situ disinfection air outlet and a disinfection gas storage tank, the in-situ disinfection air inlet and the in-situ disinfection air outlet are formed in two ends of the side face of the cylinder body, and the poison gas storage tank is communicated with the in-situ disinfection air inlet and the in-situ disinfection air outlet to form a circulation channel with the inside of the cylinder body; MPPS leak hunting module includes MPPS leak hunting mouth, MPPS leak hunting mouth is seted up one side of barrel for the probe of scanning leak hunting device carries out the aerosol sample. The efficient filtration and sterilization of pathogenic microorganisms are realized through the efficient filtration filter element module and the UV sterilization module, the filtration efficiency reaches 99.9995 percent and reaches the H14 grade filtration grade standard in the European Union standard; the in-situ disinfection module realizes the reciprocating circulation of the disinfection gas and the air in the cylinder, effectively inactivates various pathogenic microorganisms, and realizes the thorough in-situ disinfection function in the filter; the probe of the scanning leak detection device carries out aerosol sampling analysis through the MPPS leak detection port to realize the detection of the filter. The filter is arranged at the top of a drainage breather pipe in places such as a high-level biosafety laboratory and the like, and can effectively filter air and aerosol which circulate through the drainage breather pipe, so that various pathogenic microorganisms are retained in the high-efficiency filter element, and the propagation path of the pathogenic microorganisms which escape to the atmosphere through the drainage breather pipe is effectively blocked.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a drainage vent pipe filter in a high-grade biosafety laboratory according to an embodiment of the present invention.
The reference numbers illustrate: 1. a first biosafety airtight valve; 2. an end cap flange; 3. the end cover is variable in diameter; 4. a barrel; 5. a UV light source; 6. an elastic light source clip; 7. MPPS leakage detecting port; 8. an upper protective frame; 9. a high-efficiency filter element; 10. a lower protective frame; 11. a first reinforcing flange; 12. a second reinforcing flange; 13. a second bio-safe air-tight valve; 14. a third bio-safe airtight valve; 15. disinfecting the air inlet in situ; 16. a fourth bio-safe airtight valve; 17. an in-situ disinfection air outlet; 18. an electronic ballast; 19. a biosafety cable perforator; 20. a circulating fan; 21. a storage tank for sterilizing gas.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is the embodiment of the present invention provides a schematic diagram of a drainage breather pipe filter assembly for a high-grade biosafety laboratory, which is shown below in combination with fig. 1.
As shown in fig. 1, the high-grade biosafety laboratory drainage breather pipe filter mainly comprises: the device comprises a barrel 4, a biological safety type airtight valve, a high-efficiency filtering filter element 9 module, a UV sterilization module, an in-situ disinfection module and an MPPS leakage detecting opening 7.
The biological safety type airtight valve comprises a first biological safety type airtight valve 1 and a second biological safety type airtight valve 13, and the first biological safety type airtight valve 1 and the second biological safety type airtight valve 13 are fixedly installed at the upper end and the lower end of the cylinder 4 respectively. In some embodiments of the embodiment of the application, two ends of the cylinder 4 respectively extend outwards and are connected with the end cover reducing diameters 3 in a sealing manner, and the cylinder 4 and the end cover reducing diameters 3 can be manufactured in an integrated manner or can be manufactured respectively and then welded together in an argon arc manner. The biosafety type airtight valve is fixedly arranged at the port of the end cover reducing 3, and further the biosafety type airtight valve and the port of the end cover reducing 3 can be fixedly connected through the end cover flange 2.
The high-efficiency filter element 9 module comprises a high-efficiency filter element 9, and the high-efficiency filter element 9 is fixedly arranged in the barrel 4. The efficient filtering element 9 can be made of glass fiber filter paper, the minimum filtering particle size can reach 20 nanometers by repeated folding, the efficient filtering efficiency is high, the EU standard H14 level filtering grade is met, and the efficient filtering element can effectively filter potential pathogenic microorganisms of a drainage vent pipe of a high-level biosafety laboratory. In some embodiments of the present application, the high efficiency filter cartridge 9 module further includes an upper protective frame 8 and a lower protective frame 10, and the high efficiency filter cartridge 9 is sealed between the upper protective frame 8 and the lower protective frame 10. More specifically, go up protection frame 8, lower protection frame 10, barrel 4 material can be for 316L stainless steel, go up protection frame 8 and protect frame 10 down and can be connected with barrel 4 through argon arc welding, go up protection frame 8 and protect frame 10 down and can seal up high efficiency filter element 9 between the two through compressing tightly adhesive tape and sealed glue of polyurethane. The upper protective frame 8 and the lower protective frame 10 are provided with through holes so as to facilitate air circulation.
The UV sterilization module comprises a UV light source 5 and an elastic light source clamp 6, wherein the UV light source 5 is fixed in the barrel 4 through the elastic light source clamp 6 and is positioned on one side of an outlet of the high-efficiency filtering filter element 9. Specifically, the elastic light source clamp 6 can be connected with the barrel 4 through welding, and the UV light source 5 is clamped and fixed through elastic deformation of the elastic light source clamp 6. In some embodiments of the embodiment of the present application, the UV sterilization module further includes a biosafety cable punch 19 and an electronic ballast 18, the biosafety cable punch 19 is penetratingly welded and fixed on the wall of the cylinder 4, and the UV light source 5 cable penetrates out of the cylinder 4 through the biosafety cable punch 19 to be connected with a terminal of the electronic ballast 18. The UV light source 5 cable penetrates out of the barrel 4 through the biological safety type cable perforator 19 to be connected with a terminal of the electronic ballast 18. The biosafety cable perforator 19 has good air tightness and can effectively prevent pathogenic microorganisms from escaping.
The in-situ disinfection module comprises an in-situ disinfection air inlet 15, an in-situ disinfection air outlet 17 and a disinfection gas storage tank 21, wherein the in-situ disinfection air inlet 15 and the in-situ disinfection air outlet 17 are formed in two ends of the side surface of the cylinder body 4 and can be connected with the cylinder body 4 through argon arc welding; the sterilizing gas storage tank 21 is communicated with the in-situ sterilizing gas inlet 15 and the in-situ sterilizing gas outlet 17 to form a circulating channel with the interior of the barrel 4. In some embodiments of the present application, the in-situ sterilization air inlet 15 and the in-situ sterilization air outlet 17 are detachably connected to a third biosafety airtight valve 14 and a fourth biosafety airtight valve 16, respectively, so as to communicate and close the circulation channel. The circulating fan 20 is communicated between the sterilizing gas storage tank 21 and the in-situ sterilizing gas outlet 17, the circulating fan 20 extracts internal air, so that pressurized sterilizing gas smoothly penetrates through the high-efficiency filtering filter element 9 to circulate in the filter in a reciprocating manner, various pathogenic microorganisms are effectively inactivated, and the thorough in-situ sterilizing function in the filter is realized.
When the high efficiency filter element 9 module in the barrel 4, UV sterilization module need be changed or maintain the maintenance in the in-service use, the passageway after reducing through end cover reducing 3 can be difficult to operate, consequently, in some embodiments of this application embodiment, 4 one end welding of barrel have first reinforcement flange 11, and 3 welding of end cover reducing have second reinforcement flange 12, first reinforcement flange 11 and the spiro union of second reinforcement flange 12. The cylinder 4 and the end cover reducing 3 part are detachably connected through the arrangement of the first reinforcing flange 11 and the second reinforcing flange 12, and the first reinforcing flange 11 and the second reinforcing flange 12 can be opened when the internal parts of the cylinder 4 need to be replaced or maintained.
MPPS leak hunting mouth 7 sets up in one side of barrel 4 and can be connected with barrel 4 through argon arc welding for the probe of scanning leak hunting device carries out the aerosol sample.
The working process comprises the following steps: normal use, disinfection maintenance, MPPS leak hunting.
In normal use: the filter is arranged at the outlet position of the drainage pipeline vent pipe. During normal use, first biological safe type airtight valve 1 and the biological safe type airtight valve 13 of second all are in normally open state, third biological safe type airtight valve 14 and fourth biological safe type airtight valve 16 all are in closed condition, the air that flows in the drainage pipe filters through high-efficient filter cartridge 9, effectively filter the stay filter cartridge with all kinds of pathogenic microorganism (such as novel coronavirus, ebola virus etc.) and various aerosol particles in the drainage pipe, prevent that pathogenic microorganism from escaping the laboratory through the drainage breather pipe.
Meanwhile, the filter is provided with a UV sterilization device which consists of a UV light source 5, an elastic light source clamp 6, an electronic ballast 18 and a biological safety type cable perforator 19. The UV sterilization device can generate instant high voltage through the electronic ballast 18 to promote the UV light source 5 to emit ultraviolet light, thereby playing a security sterilization function for part of pathogenic microorganisms escaping from the high-efficiency filter element 9 and achieving the function of double protection.
During disinfection and maintenance: because the high-efficiency filter element 9 can continuously retain and absorb pathogenic microorganisms and various aerosol particles in the drainage breather pipe, regular in-situ disinfection is needed so as to inactivate the pathogenic microorganisms. During disinfection inactivation, first biological safety type airtight valve 1 and second biological safety type airtight valve 13 need to be closed, third biological safety type airtight valve 14 and fourth biological safety type airtight valve 16 are opened, pressurized disinfection gas (disinfection gas can adopt chlorine dioxide, vaporized hydrogen peroxide and the like) is accessed into the filter through in-situ disinfection air inlet 15 through disinfection gas storage tank 21, circulating fan 20 is accessed into the inside air of this filter through in-situ disinfection air outlet 17 simultaneously, make pressurized disinfection gas penetrate through high efficiency filter cartridge 9 and circulate in this filter inside reciprocating, effectively inactivate all kinds of pathogenic microorganisms, the realization is to the thorough in-situ disinfection function of this filter inside.
After the disinfection is finished, the first biosafety type airtight valve 1 and the second biosafety type airtight valve 13 need to be opened again, the third biosafety type airtight valve 14 and the fourth biosafety type airtight valve 16 need to be closed, and the normal use state needs to be entered again.
During MPPS leak hunting: in order to prevent the high-efficiency filtering element 9 from being broken or damaged and the filtering efficiency is lower than 99.9995%, MPPS leakage detection needs to be carried out on the filter regularly, belongs to a high-efficiency filter leakage detection method which is popularized in the European Union and is named as a 'most easily penetrated particle size method', and not only can the concentration of dust particles and aerosol be measured, but also the particle size of each dust particle and aerosol ion can be measured by the MPPS method, and the filtering efficiency is checked. This filter has set up MPPS and has examined leak hunting mouth 7, and during MPPS leak hunting, can carry out aerosol sampling analysis with scanning leak hunting device's probe through MPPS leak hunting mouth 7.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It should be noted that, unless otherwise specified and limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, mechanically or electrically connected, or may be communicated between two elements, directly or indirectly through an intermediate medium, and specific meanings of the terms may be understood by those skilled in the relevant art according to specific situations. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or device comprising the element. In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "lower", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In addition, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (8)
1. The utility model provides a high-grade biosafety laboratory drainage breather pipe filter which characterized in that includes: the device comprises a cylinder body (4), a biological safety type airtight valve, a high-efficiency filtering filter element module, a UV (ultraviolet) sterilization module, an in-situ disinfection module and a MPPS (maximum power point tracking) leak detection module;
the biosafety airtight valve comprises a first biosafety airtight valve (1) and a second biosafety airtight valve (13), and the first biosafety airtight valve (1) and the second biosafety airtight valve (13) are fixedly installed at the upper end and the lower end of the cylinder body (4) respectively;
the high-efficiency filtering core module comprises a high-efficiency filtering core (9), and the high-efficiency filtering core (9) is fixedly arranged inside the barrel (4);
the UV sterilization module comprises a UV light source (5) and an elastic light source clamp (6), wherein the UV light source (5) is fixed in the barrel (4) through the elastic light source clamp (6) and is positioned on one side of the outlet of the high-efficiency filtering filter element (9);
the in-situ disinfection module comprises an in-situ disinfection air inlet (15), an in-situ disinfection air outlet (17) and a disinfection gas storage tank (21), the in-situ disinfection air inlet (15) and the in-situ disinfection air outlet (17) are formed in two ends of the side surface of the barrel body (4), and the disinfection gas storage tank (21) is communicated with the in-situ disinfection air inlet (15) and the in-situ disinfection air outlet (17) to form a circulation channel with the interior of the barrel body (4);
MPPS leak hunting module includes MPPS leak hunting mouth (7), MPPS leak hunting mouth (7) are seted up one side of barrel (4) for the probe of scanning leak hunting device carries out the aerosol sample.
2. The high-grade biosafety laboratory drainage breather pipe filter according to claim 1, wherein two ends of the cylinder body (4) extend outwards and are connected with end cover reducing pipes (3) in a sealing mode respectively, and the biosafety airtight valve is fixedly installed at a port of each end cover reducing pipe (3).
3. The high-grade biosafety laboratory drainage breather pipe filter according to claim 2, wherein the biosafety airtight valve is fixedly connected with the port of the end cover reducing pipe (3) through an end cover flange (2).
4. The high-grade biosafety laboratory drainage breather pipe filter according to claim 2, wherein a first reinforcing flange (11) is welded at one end of the cylinder body (4), a second reinforcing flange (12) is welded at the end cover reducing diameter (3), and the first reinforcing flange (11) is in threaded connection with the second reinforcing flange (12).
5. The advanced biosafety laboratory drain vent pipe filter according to claim 1, wherein said high efficiency filter cartridge module further comprises an upper protective rim (8) and a lower protective rim (10), said high efficiency filter cartridge (9) being sealed between said upper protective rim (8) and said lower protective rim (10).
6. The advanced biosafety laboratory drain breather tube filter according to claim 1, wherein the UV sterilization module further comprises a biosafety cable punch (19) and an electronic ballast (18), the biosafety cable punch (19) is penetratingly fixed on the wall of the barrel (4), and the UV light source (5) cable passes through the biosafety cable punch (19) and penetrates out of the barrel (4) to be connected with the terminal of the electronic ballast (18).
7. The advanced biosafety laboratory drain breather pipe filter according to claim 1, wherein a third biosafety airtight valve (14) and a fourth biosafety airtight valve (16) are detachably connected to the in-situ disinfection air inlet (15) and the in-situ disinfection air outlet (17), respectively.
8. The advanced biosafety laboratory drain breather pipe filter according to claim 1, wherein a circulation fan (20) is communicated between the sterilizing gas storage tank (21) and the in-situ sterilizing gas outlet (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236835.9U CN215137848U (en) | 2021-06-03 | 2021-06-03 | High-grade biosafety laboratory drainage breather pipe filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236835.9U CN215137848U (en) | 2021-06-03 | 2021-06-03 | High-grade biosafety laboratory drainage breather pipe filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215137848U true CN215137848U (en) | 2021-12-14 |
Family
ID=79389858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236835.9U Active CN215137848U (en) | 2021-06-03 | 2021-06-03 | High-grade biosafety laboratory drainage breather pipe filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215137848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430237A (en) * | 2022-10-10 | 2022-12-06 | 辽宁科泰环境科技有限公司 | Vertical air inlet and outlet isolation protection filtering system |
-
2021
- 2021-06-03 CN CN202121236835.9U patent/CN215137848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430237A (en) * | 2022-10-10 | 2022-12-06 | 辽宁科泰环境科技有限公司 | Vertical air inlet and outlet isolation protection filtering system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215137848U (en) | High-grade biosafety laboratory drainage breather pipe filter | |
| CN106393181B (en) | Biological safe type glove box type isolator | |
| CN203990125U (en) | A kind of bio-safety is changed filter | |
| US10705005B2 (en) | Unit for validating in situ decontamination effect and device for filtering biologically contaminated air to which the unit is applied | |
| US11649426B2 (en) | Attachment device for single use containers | |
| CN103636514A (en) | Experimental animal feeding negative pressure isolator | |
| JP2019000779A (en) | Safety cabinet | |
| CN113750669B (en) | Bag inlet and outlet filtering system | |
| CN212504407U (en) | A live poison waste water system for high-level biosafety laboratory | |
| CN206029962U (en) | Bio -safety type birds negative pressure isolator | |
| CN203597205U (en) | Negative pressure isolator for feeding experimental animals | |
| CN106239568A (en) | Biological safe type fowl negative pressure isolator | |
| CN210020450U (en) | Degerming air respirator capable of achieving online steam sterilization | |
| CN207863049U (en) | A kind of anti-pollution non-negative pressure stabilized tank | |
| CN220931311U (en) | Indoor mounting type double-stage efficient air filtering device | |
| CN214634750U (en) | Efficient exhaust filtering device with in-situ disinfection function | |
| CN117797559A (en) | Isolation protection filter device for removing harmful substances in waste water exhaust system | |
| CN214937490U (en) | Good leak-proof laboratory microorganism limit detector of leakproofness | |
| CN220450195U (en) | Pathogenic nucleic acid short-term test equipment | |
| CN203238066U (en) | Ultraviolet sterilizing device convenient to examine | |
| CN214345443U (en) | Be used for sterile ethylene oxide gas collection device of gauze mask | |
| CN219709483U (en) | Disposable biosafety bioreactor and system | |
| CN216117632U (en) | Gas transmission structure and self-disinfecting alcohol tester | |
| CN210916047U (en) | Culture bottle suitable for aseptic quick inspection of medical instrument | |
| CN214220769U (en) | Hydrogen fluoride closing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |