CN204502606U - Tuyere-type efficiency leakage detecting type air draft air filtering apparatus - Google Patents
Tuyere-type efficiency leakage detecting type air draft air filtering apparatus Download PDFInfo
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- CN204502606U CN204502606U CN201520163017.9U CN201520163017U CN204502606U CN 204502606 U CN204502606 U CN 204502606U CN 201520163017 U CN201520163017 U CN 201520163017U CN 204502606 U CN204502606 U CN 204502606U
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Abstract
The utility model discloses a kind of tuyere-type efficiency leakage detecting type air draft air filtering apparatus.Device described in the utility model adopts tuyere-type body structure, air inlet installs high efficiency particulate air filter, casing side arranges concentrated interface box, mounting filter resistance in interface box is concentrated to detect table, gas depoisoning interface, sterilization checking mouth, filter resistance detects mouth and downstream sampling of aerosol mouth, and casing top or sidepiece arrange downstream aerosol mixing and sampling section, end installs airtight valve, and it can be connected with the exhaust duct in room, place.The utility model can be arranged on clean facility inside, return air passageway or top, room, efficiency leak detecting completely can be adopted to realize hunting leak to the original position of high efficiency particulate air filter, original position gas depoisoning can be carried out to high efficiency particulate air filter and box house, and can verify Disinfection Effect, can the resistance of Real-Time Monitoring high efficiency particulate air filter, the polluted air exhausting being applicable to the clean facility of bio-safety is disposed.
Description
Technical field
The utility model relates to biological safety protection technique and equipment field, is a kind of exhausting air cleaner that can be used for the clean facility of the bio-safety such as biocontainment laboratory, biological products medicament compartment.
Background technology
The environmental facilities such as biocontainment laboratory, biological products medicament compartment all can produce bioaerosol in the operating process such as experiment, detection, production, if harmful aerosol or indoor pollution air venting are in air, human or animal will be infected, pollute surrounding environment, serious threat human life is healthy, even causes great public health event.Therefore, the polluted air exhausting of this type of facility is disposed is the key guaranteeing surrounding enviroment bio-safety.
The high-level biosafety laboratory of developed countries extensively adopt have original position HEPA filter is carried out disinfection and the box HEPA filter unit in outdoor of leak detection function as air draft disposal facility.But because China's biological safety protection technical development is more late, and relevant criterion is also through repeatedly significant revision, make China built and some be difficult to adopt outdoor box HEPA filter unit as air draft disposal facility at the high-level biosafety laboratory built, simultaneously for there is environmental facility that identical bio-safety requires as biological products medicament compartment because special producing technological requirement also cannot adopt this type of box HEPA filter unit.
Require for reaching relevant criterion and improve security assurance level, China's bio-safety facility needs to install the air filtering apparatus with the leak detection of filter original position and sterilizing function.Efficiency leak detecting is the international method of HEPA filter leak, by test HEPA filter upstream and downstream aerosol concentration, calculate its filter efficiency, judge whether filter leaks, during detection, trip occurs to detect aerosol mixing on the filter, and on the filter, the aerosol place of mixing, downstream samples.Compared to scanning leak detection method, it is simple that efficiency leak hunting method has structural principle, cheap advantage.
Utility model content
The purpose of this utility model is, for the bio-safety facility of satisfied different building structure and technological requirement disposes requirement to polluted air exhausting, there is provided a kind of and be installed on that bio-safety facility is inner, the air draft air filtering apparatus at return air sandwich wall or top, room, original position leak detection and the gas depoisoning of high efficiency particulate air filter can be realized.
The utility model tuyere-type efficiency leakage detecting type air draft air filtering apparatus, be achieved by following technical proposals, described device adopts tuyere-type body structure, in casing, air inlet installs high efficiency particulate air filter, casing internal upper part arranges concentrated interface box, mounting filter resistance in interface box is concentrated to detect table, gas depoisoning interface, sterilization checking mouth, filter resistance detects mouth and downstream sampling of aerosol mouth, the outer top of casing or sidepiece arrange downstream aerosol mixing and sampling section, downstream aerosol mixing and sampling section end install airtight valve, the aerosol mixing of described downstream and sampling section install downstream sampling of aerosol pipe, sampling pipe is connected to the downstream sampling of aerosol mouth in concentrated interface box by aerosol pipeline, aerosol evenly mixing device is installed in the inside of the aerosol mixing of described downstream and sampling section and casing junction, aerosol evenly mixing device adopts tapered configuration.
Described concentrated interface box inside arranges gas depoisoning interface, sterilization checking mouth, filter resistance detection mouth and downstream sampling of aerosol mouth, concentrates interface box outer wall to arrange filter resistance detection table and the indoor end of filter resistance detection mouth.
The inner of described gas depoisoning interface communicates with device box inside, and middle part arranges airtight isolating valve, and outer end is connected with the pipeline of gas circulation chlorination equipment.
The inner of described sterilization checking mouth communicates with device box inside, and middle part arranges airtight isolating valve, and outer end arranges seal cover, places the biological indicator verifying Disinfection Effect between airtight isolating valve and seal cover.
In tuyere-type efficiency leakage detecting type air draft air filtering apparatus, high efficiency particulate air filter adopts Efficiency Method leak detection, device air inlet end can be installed movable detection aerosol and inject, mixing and sampling apparatus, filter upstream gas colloidal sol is made to reach mixing requirement, filter downstream is provided with downstream aerosol mixing and sampling section, filter downstream aerosol can be made to reach mixing requirement, evenly mixing device is tapered configuration, tapered configuration is welded in the mixing of aerosol downstream and sampling segment pipe, evenly mixing device downstream arranges stainless steel sampling pipe, outer one end of pipeline of sampling pipe is connected to sampling pipe casing interface by tracheae, then in casing, the downstream sampling of aerosol mouth of concentrated interface box is connected to again by tracheae, downstream sampling of aerosol mouth is provided with airtight fast interface, it is air-tight state during non-grafting, described tuyere-type efficiency leakage detecting type air draft air filtering apparatus mounting filter resistance detects table, can detect the resistance of high efficiency particulate air filter in real time and show, the chlorination equipment of described tuyere-type efficiency leakage detecting type air draft air filtering apparatus is a gas depoisoning interface and a sterilization checking mouth, be made up of stainless steel pipe and airtight isolating valve, all be positioned at casing filter downstream side and be communicated with filter downstream casing, whole chlorination equipment is installed in concentrated interface box.
The utility model is installed on the clean facility inside of bio-safety, return air sandwich wall or top, room, to the original position leak detection that can complete in indoor high efficiency particulate air filter and sterilization operation.The utility model can realize original position leak detection and the gas depoisoning of filter, use safety, reliable, convenience.High efficiency particulate air filter adopts Efficiency Method leak detection, and filter downstream is provided with representative thief hatch, can sample to filter downstream aerosol, judges that whether high efficiency particulate air filter is intact and whether reliably install; Casing side is provided with gas depoisoning interface and sterilization checking mouth, and can complete the sterilization operation to filter and box house in indoor, casing adopts stainless steel to make, and resistant to the sterilising agent can corrode, meets relevant criterion requirement.The utility model box body tightness is good, corrosion-resistant, and the air draft disposal plant that can solve China's bio-safety facility meets the problem of standard GB19489-2008.
Accompanying drawing explanation
Fig. 1 is the utility model body structure front view;
Fig. 2 is that the utility model concentrates interface box internal structure schematic diagram;
Fig. 3 is the utility model side-looking and filter original position leak detection schematic diagram.
Detailed description of the invention
As shown in Figure 1, 2, 3, the utility model protects orifice plate 2, high efficiency particulate air filter 3 by casing 1, filter, concentrates interface box 4, filter resistance detection table 5, filter resistance to detect the indoor end 6 of mouth, the mixing of downstream aerosol and sampling section 7, downstream aerosol evenly mixing device 8, downstream sampling of aerosol pipe 9, airtight valve 10, adopt pipeline 11, sterilization interface 12, sterilization checking mouth 13, sampled downstream mouth 14, filter resistance detected downstream mouth 15 etc. partly to form, described device adopts tuyere-type body structure, in casing, air inlet installs high efficiency particulate air filter, casing internal upper part arranges concentrated interface box, mounting filter resistance in interface box is concentrated to detect table, gas depoisoning interface, sterilization checking mouth, filter resistance detects mouth and downstream sampling of aerosol mouth, the outer top of casing or sidepiece arrange downstream aerosol mixing and sampling section, downstream aerosol mixing and sampling section end install airtight valve, the aerosol mixing of described downstream and sampling section install downstream sampling of aerosol pipe, sampling pipe is connected to the downstream sampling of aerosol mouth in concentrated interface box by aerosol pipeline, aerosol evenly mixing device is installed in the inside of the aerosol mixing of described downstream and sampling section and casing junction, aerosol evenly mixing device adopts tapered configuration.
Described concentrated interface box inside arranges gas depoisoning interface, sterilization checking mouth, filter resistance detection mouth and downstream sampling of aerosol mouth, concentrates interface box outer wall to arrange filter resistance detection table and the indoor end of filter resistance detection mouth.
The inner of described gas depoisoning interface communicates with device box inside, and middle part arranges airtight isolating valve, and outer end is connected with the pipeline of gas circulation chlorination equipment.
The inner of described sterilization checking mouth communicates with device box inside, and middle part arranges airtight isolating valve, and outer end arranges seal cover, places the biological indicator verifying Disinfection Effect between airtight isolating valve and seal cover.
Under normal operating condition, with sterilization, gas depoisoning interface 12 verifies that the airtight isolating valve on mouth 13 cuts out, air outlet airtight valve 10 is opened, and airtight valve outlet is connected with experimental laboratory air exhausting system pipeline by flange.
When adopting Efficiency Method high efficiency particulate air filter 3 to hunt leak, can be fixed in casing high efficiency particulate air filter air inlet by movable detection aerosol injection, mixing and sampling apparatus 16, movable detection aerosol occurs, mix and sampling apparatus 16 is provided with aerosol filling line 17, evenly mixing device 18 and sampled upstream pipeline 19.Aerosol generator is connected to upstream gas colloidal sol filling line 17, then there is aerosol, after aerosol concentration is stable, with particle counting device, sample in trip, downstream on the filter respectively, according to the ratio of upstream and downstream aerosol concentration, calculate high efficiency particulate air filter filter efficiency, judge whether to leak.
Claims (4)
1. a tuyere-type efficiency leakage detecting type air draft air filtering apparatus, it is characterized in that, described device adopts tuyere-type body structure, in casing, air inlet installs high efficiency particulate air filter, casing internal upper part arranges concentrated interface box, mounting filter resistance in interface box is concentrated to detect table, gas depoisoning interface, sterilization checking mouth, filter resistance detects mouth and downstream sampling of aerosol mouth, the outer top of casing or sidepiece arrange downstream aerosol mixing and sampling section, downstream aerosol mixing and sampling section end install airtight valve, aerosol evenly mixing device is installed in the inside of downstream aerosol mixing and sampling section and casing junction, aerosol evenly mixing device adopts tapered configuration, downstream aerosol mixing and sampling section install downstream sampling of aerosol pipe, sampling pipe is connected to the downstream sampling of aerosol mouth in concentrated interface box by aerosol pipeline.
2. tuyere-type efficiency leakage detecting type air draft air filtering apparatus according to claim 1, it is characterized in that, described concentrated interface box inside arranges gas depoisoning interface, sterilization checking mouth, filter resistance detection mouth and downstream sampling of aerosol mouth, concentrates interface box outer wall to arrange filter resistance detection table and the indoor end of filter resistance detection mouth.
3. tuyere-type efficiency leakage detecting type air draft air filtering apparatus according to claim 1, it is characterized in that, the inner of described gas depoisoning interface communicates with device box inside, and middle part arranges airtight isolating valve, and outer end is connected with the pipeline of gas circulation chlorination equipment.
4. tuyere-type efficiency leakage detecting type air draft air filtering apparatus according to claim 1, it is characterized in that, the inner of described sterilization checking mouth communicates with device box inside, middle part arranges airtight isolating valve, outer end arranges seal cover, places the biological indicator verifying Disinfection Effect between airtight isolating valve and seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163017.9U CN204502606U (en) | 2015-03-23 | 2015-03-23 | Tuyere-type efficiency leakage detecting type air draft air filtering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520163017.9U CN204502606U (en) | 2015-03-23 | 2015-03-23 | Tuyere-type efficiency leakage detecting type air draft air filtering apparatus |
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| CN204502606U true CN204502606U (en) | 2015-07-29 |
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| CN201520163017.9U Active CN204502606U (en) | 2015-03-23 | 2015-03-23 | Tuyere-type efficiency leakage detecting type air draft air filtering apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239568A (en) * | 2016-09-13 | 2016-12-21 | 中国人民解放军军事医学科学院卫生装备研究所 | Biological safe type fowl negative pressure isolator |
| CN106393181A (en) * | 2016-09-13 | 2017-02-15 | 中国人民解放军军事医学科学院卫生装备研究所 | Bio-security type glove box type isolator |
| CN107737357A (en) * | 2017-11-09 | 2018-02-27 | 中国人民解放军军事医学科学院卫生装备研究所 | Disinfection Effect authentication unit in situ and its biological pollution air filter of application |
| CN108106786A (en) * | 2018-01-30 | 2018-06-01 | 北京聚源恒达科技有限公司 | A kind of detection device for bio-safety filter |
| CN109603698A (en) * | 2018-12-30 | 2019-04-12 | 苏州鸿基洁净科技股份有限公司 | A kind of aerosol that concentration is controllable occurs and detection integrated device |
-
2015
- 2015-03-23 CN CN201520163017.9U patent/CN204502606U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239568A (en) * | 2016-09-13 | 2016-12-21 | 中国人民解放军军事医学科学院卫生装备研究所 | Biological safe type fowl negative pressure isolator |
| CN106393181A (en) * | 2016-09-13 | 2017-02-15 | 中国人民解放军军事医学科学院卫生装备研究所 | Bio-security type glove box type isolator |
| CN106239568B (en) * | 2016-09-13 | 2018-11-20 | 中国人民解放军军事医学科学院卫生装备研究所 | Biological safe type fowl negative pressure isolator |
| CN106393181B (en) * | 2016-09-13 | 2018-12-25 | 中国人民解放军军事医学科学院卫生装备研究所 | Biological safe type glove box type isolator |
| CN107737357A (en) * | 2017-11-09 | 2018-02-27 | 中国人民解放军军事医学科学院卫生装备研究所 | Disinfection Effect authentication unit in situ and its biological pollution air filter of application |
| CN108106786A (en) * | 2018-01-30 | 2018-06-01 | 北京聚源恒达科技有限公司 | A kind of detection device for bio-safety filter |
| CN108106786B (en) * | 2018-01-30 | 2024-02-20 | 唐山同海净化设备有限公司 | Detection device for biological safety filter |
| CN109603698A (en) * | 2018-12-30 | 2019-04-12 | 苏州鸿基洁净科技股份有限公司 | A kind of aerosol that concentration is controllable occurs and detection integrated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211202 Address after: 300161, No. 106 East Wan Road, Hedong District, Tianjin Patentee after: Institute of Medical Support Technology of Academy of System Engineering of Academy of Military Science Address before: 300161, No. 106 East Wan Road, Hedong District, Tianjin Patentee before: Institute of Medical Equipment, Academy of Military Medical Sciences, PLA Patentee before: Tianjin changte purification Engineering Co., Ltd |
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| TR01 | Transfer of patent right |