CN205307997U - High efficiency filter case - Google Patents
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- CN205307997U CN205307997U CN201520973398.7U CN201520973398U CN205307997U CN 205307997 U CN205307997 U CN 205307997U CN 201520973398 U CN201520973398 U CN 201520973398U CN 205307997 U CN205307997 U CN 205307997U
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Abstract
The utility model relates to a biological security domain provides a high efficiency filter case, include package intake stack and air -out pipeline, be provided with the disinfection mouth on intake stack and the air -out pipeline, be provided with a set of filter equipment between intake stack and the air -out pipeline at least, filter unit, well effect filter unit, high -efficient filter unit group are just imitated along the air current to having set gradually to filter equipment. The utility model provides a high efficiency filter case of simple to operate, easy operation, reduction accident safety risk.
Description
Technical field
The utility model belongs to and relates to Biosafety, namely microorganism or unwanted particles can by the laboratory of gas propagation, production plant, experimental animal room, hospital's negative pressure isolated areas, and industrial chemical produces and storage area is sent, the filtration of exhaust system, prevents the product scope that microorganism or unwanted particles leak with air.
Background technology
Mechanism's working process such as biocontainment laboratory, Biosafety workshop, transmissible disease hospital can produce the biotic factor being harmful to, these biotic factors can pass through aerosol transmission, therefore the air in these regions is not by process, it is discharged in air, surrounding environment can be polluted, even threaten the life and health of human or animal. It is therefore necessary to could safety dumping after high efficiency filter filters. Clear stipulaties in " the general requirement of Laboratory biosafety " (GB19489 2008), should carry out sterilization and leak detection in original position to air draft high efficiency filter. And existing technology adopts bag to enter bag to go out filter plant and Biosafety replacing filtration unit, these equipment have following shortcoming:
1, all adopt the plastics bag of sealing, the strainer to be changed is taken out in casing, row relax again after sealing with plastic packaging scissors, to be torn equally when new strainer is installed and original be cut off the sack of plastic packaging, after mounting filter, take out old plastics bag by same method to process, so just require that operator are very careful, once misoperation, bag breakage, unwanted particles will overflow with aerosol, cannot retrieve, when changing simultaneously every time, sack all to be poured into another one groove from a groove, in this operating process, there is the factor that microorganism is revealed, operate loaded down with trivial details like this, under efficiency, and there is the factor of leakage.
Although 2, Biosafety changes the measure that filtration unit has disinfect in situ, but only for the sterilization of ventilator trunk and box portion, ignore the sterilization of the subsidiary pipelines such as pressure differential detection, there is sterilization and not exclusively cause the factor that microorganism is revealed, especially, when pressure reduction meter needs School Affairs to change, the microorganism in pressure reduction meter pipeline cannot be avoided to reveal.
Although 3, existing installation has on-Line Monitor Device, but not installing the uniform device after PAO injection, PAO cannot be evenly distributed in high efficiency filter surface, therefore also cannot ensure the accurate of monitoring result.
Although 4, existing installation has disinfect in situ measure, but sterilizing process cannot be monitored, when abnormal conditions occurs in equipment, cannot guarantee that all parameters all reach the requirement needed for sterilization in specific time completely.
5, existing installation is an overall casing, and box house adopts dividing plate to be divided into some passages, by the restriction of processing, installation, transport inconvenience, can not install too much strainer, and processing power is limited, is not suitable for big air quantity occasion and uses.
Practical novel content
In order to solve technical problem existing in background technology, the utility model proposes the filtration unit of a kind of efficient strumbox, filtration unit comprises multiple filtering unit, each filtering unit, by the size of process air quantity and the difference of using function, combine as required, solve processing, install and transport the problem of inconvenience, and by multiple-unit combination, to reach the requirement of big air quantity processing power. In order to guarantee that PAO sends out the even of dirt, this filtering unit specialized designs even unit of PAO, to guarantee the accuracy of filtering unit integrity test. This filter unit designs pressure reduction meter pipe laying sterilization interface and sterilizing agent circulating line, and in filtering unit inside, special sensor has been installed, to guarantee in whole sterilizing process, each parameter reaches the numerical value needed for sterilization, guarantee filtering unit thorough disinfection, thus eliminate plastics bag, simplify the process of replacement operation, avoid the Biosafety accident risk in Renewal process.
The technical solution of the utility model is: a kind of efficient strumbox, comprise intake stack and wind pipe, being provided with sterilization mouth on above-mentioned intake stack and wind pipe, its special character is: be at least provided with one group of filtration unit between above-mentioned intake stack and wind pipe; Above-mentioned filtration unit is along flow of air to being disposed with primarily efficient filter unit, medium air filtration unit, efficient filtering unit group;
Above-mentioned efficient filtering unit group comprises the first efficient filtering unit and the 2nd efficient filtering unit;
It is provided with a PAO current-sharing unit between above-mentioned medium air filtration unit and the first efficient filtering unit;
It is provided with the 2nd PAO current-sharing unit between above-mentioned first efficient filtering unit and the 2nd efficient filtering unit;
Above-mentioned first efficient filtering unit and the 2nd efficient filtering unit are respectively arranged with and carry out the upstream detection mouth monitored and PAO thief hole for PAO concentration;
Above-mentioned primarily efficient filter unit, medium air filtration unit, efficient filtering unit group are provided with for judging the tensimeter whether strainer blocks or reveal;
Above-mentioned wind pipe is provided with moisture probe and concentration of formaldehyde probe.
Above-mentioned tensimeter both sides are also respectively arranged with the sterilization mouth of the tensimeter for being sterilized by pressure detection subsidiary pipeline;
The interface of above-mentioned sterilization mouth and tensimeter sterilization mouth is provided with the ball valve and cam lock rapid-acting coupling that can connect fast in sterilizing process.
The utility model has the advantages that: pressure detection subsidiary pipeline is sterilized by the utility model while being sterilized by efficient strumbox ventilator trunk, and in sterilizing process, parameters is monitored, guarantee that sterilization is completely, can effectively improve sterilisation effect, reduce the potential safety hazard because sterilization does not produce comprehensively.
The utility model filtration unit comprises multiple filtering unit, each filtering unit, by the size of process air quantity and the difference of using function, combine as required, solve processing, install and transport the problem of inconvenience, and by multiple-unit combination, to reach the requirement of big air quantity processing power.
In order to guarantee that PAO sends out the even of dirt, the utility model filtering unit specialized designs even unit of PAO, to guarantee the accuracy of filtering unit integrity test.
The utility model filter unit designs pressure reduction meter pipe laying sterilization interface and sterilizing agent circulating line, and in filtering unit inside, special sensor has been installed, to guarantee in whole sterilizing process, each parameter reaches the numerical value needed for sterilization, guarantee filtering unit thorough disinfection, thus eliminate plastics bag, simplify the process of replacement operation, avoid the Biosafety accident risk in Renewal process.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model side-view;
Fig. 3 is the utility model scanning mechanism structural representation;
Fig. 4 is the utility model current-sharing modular construction schematic diagram;
Fig. 5 is this practicality current-sharing unit vertical view;
Wherein: 1 intake stack; 2 primarily efficient filter unit; 3 medium air filtration unit; 4 PAO send out dirt mouth; 5 current-sharing unit; 6 PAO upstream thief holes; 7 efficient filtering unit groups; 8 PAO detected downstream mouths; 9 autoscan device servomotor Link Ports; 10 moisture probes; 11 concentration of formaldehyde probes; 12 sterilizing agent outlets; 13 wind pipes; 14 pressure reduction meter low-tension side valves; 15 sterilizing agent circulation valves; 16 sterilizing agent outlet valves; 17 sterilizing agent outlets; 18 tensimeters; 19 sterilizing agent inlets; 20 sterilizing agent inlet valves; 21 pressure reduction meter high-tension side valves; 22 high efficiency filter pressure test devices; 23 medium effeciency filter pressure test devices; 24 roughing efficiency air filter pressure test devices; 25 sterilizing agent inlets.
Embodiment
See Fig. 13, a kind of efficient strumbox, comprises intake stack 1 and wind pipe 13, intake stack 1 and wind pipe 13 is provided with sterilization mouth, is at least provided with one group of filtration unit between intake stack 1 and wind pipe 13; Filtration unit is along flow of air to being disposed with primarily efficient filter unit 2, medium air filtration unit 3, efficient filtering unit group 7; Efficient filtering unit group 7 comprises the first efficient filtering unit and the 2nd efficient filtering unit; It is provided with a PAO current-sharing unit between medium air filtration unit 3 and the first efficient filtering unit; It is provided with the 2nd PAO current-sharing unit between first efficient filtering unit and the 2nd efficient filtering unit; First efficient filtering unit and the 2nd efficient filtering unit are respectively arranged with and carry out the upstream detection mouth monitored and PAO thief hole 6 for PAO concentration; Primarily efficient filter unit 2, medium air filtration unit 3, efficient filtering unit group 7 are provided with for judging the tensimeter 18 whether strainer blocks or reveal; Wind pipe 1 is provided with moisture probe 10 and concentration of formaldehyde probe 11. Tensimeter 18 both sides are also respectively arranged with the sterilization mouth of the tensimeter for being sterilized by pressure detection subsidiary pipeline; The interface of sterilization mouth and tensimeter sterilization mouth is provided with the ball valve and cam lock rapid-acting coupling that can connect fast in sterilizing process.
Being connected with Biosafety district air draft pipeline by intake stack 1, wind pipe 13 is connected with exhaust blower, and after the quantity handle assembling assembling choosing strumbox with reference to air quantity size completes, the utility model just can be practical. Air draft in Biosafety district is filtered through primarily efficient filter unit 2, medium air filtration unit 3, two efficient strumboxes 7, is discharged in physical environment after removing the microorganism of contained contaminate environment and harm personal security. Wherein efficient strumbox 7 is had certain provide protection by primarily efficient filter unit 2 and medium air filtration unit 3, avoids changing efficient strumbox 7 frequently. In use, pressure detection pipeline is positioned at the face, right side of strumbox, together with strainer both sides, pressure at both sides is shown by tensimeter 18, can judge whether strainer blocks or reveal according to this pressure data.If pressure occurs abnormal, being changed by the strainer of primarily efficient filter unit 2 and medium air filtration unit 3, efficient strumbox carries out integrity test. By sending out dirt mouth 4, PAO is injected high efficiency filter upstream, make its even concentration through PAO uniform segment, at upstream detection mouth and PAO thief hole 6, the PAO concentration at high efficiency filter two ends is monitored respectively, calculate leakage rate. If leakage rate is above standard, it is necessary to changed by high efficiency filter, equipment is when using certain time maybe to need to hunt leak, it is necessary to carry out disinfect in situ, equipment and pressure detection pipeline is sterilized by sterilization mouth composition circulation disinfection system. In sterilizing process, by moisture probe 10 and concentration of formaldehyde probe 11, sterilization parameter is monitored, it is ensured that sterilisation effect.
Preferably as the embodiment of Biosafety district air draft:
According to the regulation of GB19489 2008 and GB50346 2011, the air draft of Biosafety district can must be discharged after being filtered by double-layer high-efficient filter, therefore we are with the way selection unit function of blast pipe+primarily efficient filter unit+medium air filtration unit+uniform stream unit+efficient filtering unit+uniform stream unit+efficient filtering unit+air outlet tube combination, simultaneously according to the specification of air quantity size and unit, choose the quantity of filtering unit, unit is assembled, after having assembled, intake stack 1 is connected with Biosafety district air draft pipeline, wind pipe 13 is connected with exhaust blower, the utility model just can use. air draft in Biosafety district is through primarily efficient filter unit 2, and the filtration of medium air filtration unit 3, two efficient filtering units 7, is discharged in physical environment after removing the microorganism of contained contaminate environment and harm personal security. wherein the effect of primarily efficient filter unit 2 and medium air filtration unit 3 is the efficient filtering unit 7 of protection, extend the work-ing life of efficient filtering unit, reduce running cost, if air draft mouth mounting filter in room, Biosafety district, then can according to practical situation, save primarily efficient filter unit, or save primarily efficient filter unit and medium air filtration unit simultaneously. in use, the pressure reduction of pressure test device 20,21,22 Real-Time Monitoring every layer of strainer both sides, both sides pressure reduction is displayed on pressure reduction meter 17, pressure reduction meter 17 has signal output function, implement pressure reduction to be sent to monitoring computer, when pressure reduction is below or above set(ting)value, show filter leak or blocking, system is reported to the police automatically, is now changed by the strainer in corresponding filtering unit.
Preferably as the embodiment of Biosafety district air-supply:
Biosafety district blasting high-efficiency strainer is border, Biosafety district, traditional method is that high efficiency filter is arranged on room air-supply mouth, change once needs like this, it is necessary to is sterilized in whole Biosafety district, then just can remove high efficiency filter, this equipment can be arranged in Biosafety district supply air system, when needing to change, close the biological airtight valve of its both sides, it is carried out independent sterilization, change high efficiency filter afterwards, do not affect the operation in whole Biosafety district like this. When implementing as air-supply, owing to roughing efficiency air filter and medium effeciency filter generally can be arranged on air conditioning unit inside, therefore we are with the way selection function of blast pipe+uniform stream unit+efficient filtering unit+air outlet tube combination. Simultaneously according to the specification of air quantity size and unit, choose the quantity of filtering unit, unit is carried out dress group, after having assembled, intake stack 1 is connected with Biosafety district air-conditioning air supply duct, and wind pipe 13 is connected with room air supply duct, and the utility model just can use.Air-supply in Biosafety district, through the filtration of efficient filtering unit 7, enters room.
Preferred filter plant carries out integrity test.
Detection device servomotor is connected with servomotor Link Port, sending out dirt equipment, dirt mouth 4 is connected with sending out, detecting instrument is connected respectively at upstream detection mouth 6 and PAO thief hole 8, by PAO, from sending out, dirt mouth 4 injects, its even concentration is made through uniform stream section, detecting instrument display upstream concentration is observed the concentration values of downstream PAO, is calculated leakage rate after reaching standard. If leakage rate is above standard, it is necessary to high efficiency filter is changed.
The overall disinfect in situ of preferred filter plant:
Stopping device blast inlet and the biological airtight valve going out air port, open pressure test device sterilizing agent recycle valve 15, the interface of sterilization equipment is connected with sterilization equipment inlet 25 and sterilizing agent outlet 12 respectively, opening sterilization equipment, filtration unit is sterilized by sterilizing agent by filtration unit circulation, and sterilization parameter is monitored by sensor 10 and sensor 11 simultaneously, guarantee sterilisation effect, arrive etc. disinfecting time, sterilize complete, filter plant can be opened and carry out filter replacement.
Preferred pressure reduction meter is changed, verification sterilization:
Shut off differential pressure meter low-tension side valve 14 and pressure reduction meter high-tension side valve 21, sterilization equipment is connected with sterilizing agent inlet 17 and sterilizing agent outlet 19, open sterilizing agent inlet valve 16, sterilizing agent outlet valve 20, sterilizing agent circulation valve 15, open sterilization equipment and carry out circulation sterilization, after sterilization terminates, dismountable pressure reduction meter carries out changing and verifying.
Claims (4)
1. an efficient strumbox, comprises intake stack and wind pipe, and described intake stack and wind pipe are provided with sterilization mouth, it is characterised in that: at least it is provided with one group of filtration unit between described intake stack and wind pipe; Described filtration unit is along flow of air to being disposed with primarily efficient filter unit, medium air filtration unit, efficient filtering unit group;
Described efficient filtering unit group comprises the first efficient filtering unit and the 2nd efficient filtering unit;
It is provided with a PAO current-sharing unit between described medium air filtration unit and the first efficient filtering unit;
It is provided with the 2nd PAO current-sharing unit between described first efficient filtering unit and the 2nd efficient filtering unit;
Described first efficient filtering unit and the 2nd efficient filtering unit are respectively arranged with and carry out the upstream detection mouth monitored and PAO thief hole for PAO concentration;
Described primarily efficient filter unit, medium air filtration unit, efficient filtering unit group are provided with for judging the tensimeter whether strainer blocks or reveal.
2. the efficient strumbox of one according to claim 1, it is characterised in that: described wind pipe is provided with moisture probe and concentration of formaldehyde probe.
3. the efficient strumbox of one according to claim 1 and 2, it is characterised in that: described tensimeter both sides are also respectively arranged with the sterilization mouth of the tensimeter for being sterilized by pressure detection subsidiary pipeline.
4. the efficient strumbox of one according to claim 3, it is characterised in that: the interface of described sterilization mouth and tensimeter sterilization mouth is provided with the ball valve and cam lock rapid-acting coupling that can connect fast in sterilizing process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520973398.7U CN205307997U (en) | 2015-11-30 | 2015-11-30 | High efficiency filter case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520973398.7U CN205307997U (en) | 2015-11-30 | 2015-11-30 | High efficiency filter case |
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| Publication Number | Publication Date |
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| CN205307997U true CN205307997U (en) | 2016-06-15 |
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| CN201520973398.7U Active CN205307997U (en) | 2015-11-30 | 2015-11-30 | High efficiency filter case |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498374A (en) * | 2015-11-30 | 2016-04-20 | 杨凌金海生物技术有限公司 | High-efficiency filtering case |
| CN111219809A (en) * | 2020-02-20 | 2020-06-02 | 大连富森智能科技有限公司 | Intelligent air exhaust and sterilization structure for laboratory and use method |
-
2015
- 2015-11-30 CN CN201520973398.7U patent/CN205307997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105498374A (en) * | 2015-11-30 | 2016-04-20 | 杨凌金海生物技术有限公司 | High-efficiency filtering case |
| CN111219809A (en) * | 2020-02-20 | 2020-06-02 | 大连富森智能科技有限公司 | Intelligent air exhaust and sterilization structure for laboratory and use method |
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| C14 | Grant of patent or utility model | ||
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