CN105169822A - Air curtain partition device of negative pressure weighing room - Google Patents
Air curtain partition device of negative pressure weighing room Download PDFInfo
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- CN105169822A CN105169822A CN201510576434.0A CN201510576434A CN105169822A CN 105169822 A CN105169822 A CN 105169822A CN 201510576434 A CN201510576434 A CN 201510576434A CN 105169822 A CN105169822 A CN 105169822A
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- air
- gas curtain
- plenum chamber
- high efficiency
- curtain
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Abstract
The invention provides an air curtain partition device of a negative pressure weighing room. According to the air curtain partition device, the problems of inconvenience in use, great dirt accumulating possibility and great ageing possibility due to the fact that PVC curtain falling is adopted to separate a weighing operation area from a background area in the prior art are solved, and the problems of big noise and large vibration of a wind curtain machine are solved. A plenum chamber is arranged in a top channel in the negative pressure weighing room; an air supply and exhaust high efficiency filter is arranged at an air inlet at the top of the weighing operation area; the plenum chamber is located above the air supply and exhaust high efficiency filter; a primary filter and a medium efficiency filter are arranged at the bottom of a rear channel; a centrifugal fan is arranged above the primary filter and the medium efficiency filter; an air outlet of the centrifugal fan is connected with an air inlet of the plenum chamber by an air supply duct; an air curtain high efficiency filter is arranged at one side of a front air outlet of the plenum chamber in the top channel; an air outlet of the air curtain high efficiency filter is connected with the air curtain plenum chamber by an air curtain air duct; an air curtain outlet is formed in the air curtain plenum chamber; the air curtain outlet is located above an entrance of the weighing operation area.
Description
Technical field
The present invention relates to air cleaning facility field, be specially the gas curtain partition apparatus of negative pressure weighing room.
Background technology
Existing negative pressure weighing room, in order to reach the vertical one-way gas flow flow pattern of GMP code requirement, usual employing PVC bar shaped is held court from behind a screen and to be separated in weighing operating space and background area, see Fig. 1, personnel and material turnover weigh operating space all to be needed to hold court from behind a screen 80-1 through PVC bar shaped, uses inconvenience, and hold court from behind a screen easy laying dust, easily aging, clean difficulty of PVC is large, therefore short needs the in service life that PVC holds court from behind a screen regularly replaces, and also increases production cost.Although also occurred arranging air curtain in negative pressure weighing room at present, the air curtain produced by air curtain reaches the isolation weighing operating space and background area, but air curtain exist in running noise large, vibrate large problem, thus impact to the stability of negative pressure weighing room, impact normally weighs operation.
Summary of the invention
The invention provides the gas curtain partition apparatus of negative pressure weighing room, it can solve existing employing PVC and hold court from behind a screen and carry out weighing operating space and background area and cuts off the use existed inconvenient, easy laying dust, easily aging problem, also can solve the noise that air curtain exists large, vibrate large problem, guarantee the reliability service of negative pressure weighing room.
The gas curtain partition apparatus of negative pressure weighing room, weighing operating space is provided with in described negative pressure weighing room, rear channels and top passageway, plenum chamber is provided with in described top passageway, the top air inlet of described weighing operating space is provided with supply and exhaust high efficiency particulate air filter, described plenum chamber is positioned at the top of described supply and exhaust high efficiency particulate air filter, the bottom of described rear channels is provided with roughing efficiency air filter and medium effeciency filter, the top of described roughing efficiency air filter and medium effeciency filter is provided with centrifugal blower, centrifugal fan air outlet connects the air inlet of described plenum chamber by air-supply airduct, it is characterized in that: it comprises gas curtain high efficiency particulate air filter, gas curtain air channel and gas curtain plenum chamber, the anterior exhaust outlet side being positioned at plenum chamber in described top passageway is provided with described gas curtain high efficiency particulate air filter, the air outlet of described gas curtain high efficiency particulate air filter is connected with gas curtain plenum chamber by described gas curtain air channel, described gas curtain plenum chamber has gas curtain air outlet, described gas curtain air outlet is positioned at the entrance top of described weighing operating space.
Further, the air outlet of described gas curtain high efficiency particulate air filter is located at underside of forward.
Beneficial effect of the present invention is: it arranges gas curtain high efficiency particulate air filter by the anterior exhaust outlet side at plenum chamber, and the air outlet of this gas curtain high efficiency particulate air filter is connected with gas curtain plenum chamber by special gas curtain air channel, thus utilize the pressure reduction of supply and exhaust high efficiency particulate air filter and gas curtain high efficiency particulate air filter to provide the wind speed of more than 6m/s vertically downward to gas curtain exhaust vent, form clean gas curtain, clean gas curtain is separated by the weighing operating space in negative pressure weighing room and external context environment, it has thoroughly been abandoned the traditional PVC of employing and has held court from behind a screen to separate the mode weighing operating space and background area, be convenient to the turnover of personnel and material, and have aseptic, without dust stratification, without the advantage of cross pollution, also without the need to carrying out independent cleaning, greatly save regular maintenance cost, and it does not need to adopt Windscreen Fan yet, therefore effectively prevent noise yet and vibrates large problem, ensure that the reliable operation of weighing.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing negative pressure weighing room;
Fig. 2 is the structural representation of the negative pressure weighing room adopting gas curtain partition apparatus of the present invention.
Detailed description of the invention
See Fig. 2, the gas curtain partition apparatus of negative pressure weighing room, be provided with in negative pressure weighing room 10 and weigh operating space 11, rear channels 12 and top passageway 13, plenum chamber 50 is provided with in top passageway 13, the top air inlet weighing operating space 11 is provided with supply and exhaust high efficiency particulate air filter 60, plenum chamber 50 is positioned at the top of supply and exhaust high efficiency particulate air filter 60, the bottom of rear channels 12 is provided with roughing efficiency air filter 20 and medium effeciency filter 30, the top of roughing efficiency air filter 20 and medium effeciency filter 30 is provided with centrifugal blower 40, centrifugal blower 40 air outlet connects the air inlet of plenum chamber 50 by air-supply airduct 70, it comprises gas curtain high efficiency particulate air filter 81, gas curtain air channel 82 and gas curtain plenum chamber 83, the anterior exhaust outlet side being positioned at plenum chamber 50 in top passageway 13 is provided with gas curtain high efficiency particulate air filter 81, the air outlet of gas curtain high efficiency particulate air filter 81 is connected with gas curtain plenum chamber 83 by gas curtain air channel 82, gas curtain plenum chamber 83 has gas curtain air outlet 84, gas curtain air outlet 84 is positioned at the entrance top weighing operating space 11, the air outlet of gas curtain high efficiency particulate air filter 81 is located at underside of forward.
In Fig. 2,1 is the air flow direction signal weighed in operating space 11; 2 is that external context region is to the new wind signal supplemented weighed in operating space 11; The air-flow major part after the filtration treatment of supply and exhaust high efficiency particulate air filter 60 entering plenum chamber 50 from air-supply airduct 70 directly enters weighing operating space 11 through current-sharing film 90 downwards, and 3, the fraction air-flow near supply and exhaust high efficiency particulate air filter 60 forward edge is upwards discharged by front side vent 4.
Specifically describe the operation principle of apparatus of the present invention below: centrifugal blower 40 is by roughing efficiency air filter 20, medium effeciency filter 30 sucks the air-supply weighing operating space 11, the air-supply of part gas curtain, the new wind 2 supplementary because of air draft, the plenum chamber 50 in top passageway 13 is sent into after centrifugal blower 40 pressurizes, supply and exhaust high efficiency particulate air filter 60 and gas curtain high efficiency particulate air filter 81 are set in plenum chamber 50 respectively, because supply and exhaust high efficiency particulate air filter 60 is the high crushing duty of large wind speed (Wind Volume), and gas curtain high efficiency particulate air filter 81 is low wind speed (little air quantity) low pressure loss duty, therefore the pressure reduction between supply and exhaust high efficiency particulate air filter 60 and gas curtain high efficiency particulate air filter 81 just can spray air port 84 to gas curtain provides High Pressure Difference, the wind speed of more than 6m/s is provided to gas curtain, form clean gas curtain 80, afterwards the clean environment in workspace and the background environment outside workspace are separated.
In Fig. 1 and Fig. 2, A is to for front side is to signal, and B is to being rear direction signal.
Claims (2)
1. the gas curtain partition apparatus of negative pressure weighing room, weighing operating space is provided with in described negative pressure weighing room, rear channels and top passageway, plenum chamber is provided with in described top passageway, the top air inlet of described weighing operating space is provided with supply and exhaust high efficiency particulate air filter, described plenum chamber is positioned at the top of described supply and exhaust high efficiency particulate air filter, the bottom of described rear channels is provided with roughing efficiency air filter and medium effeciency filter, the top of described roughing efficiency air filter and medium effeciency filter is provided with centrifugal blower, centrifugal fan air outlet connects the air inlet of described plenum chamber by air-supply airduct, it is characterized in that: it comprises gas curtain high efficiency particulate air filter, gas curtain air channel and gas curtain plenum chamber, the anterior exhaust outlet side being positioned at plenum chamber in described top passageway is provided with described gas curtain high efficiency particulate air filter, the air outlet of described gas curtain high efficiency particulate air filter is connected with gas curtain plenum chamber by described gas curtain air channel, described gas curtain plenum chamber has gas curtain air outlet, described gas curtain air outlet is positioned at the entrance top of described weighing operating space.
2. the gas curtain partition apparatus of negative pressure weighing room according to claim 1, is characterized in that: the air outlet of described gas curtain high efficiency particulate air filter is located at underside of forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510576434.0A CN105169822B (en) | 2015-09-11 | 2015-09-11 | Air curtain partition device of negative pressure weighing room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510576434.0A CN105169822B (en) | 2015-09-11 | 2015-09-11 | Air curtain partition device of negative pressure weighing room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105169822A true CN105169822A (en) | 2015-12-23 |
| CN105169822B CN105169822B (en) | 2017-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510576434.0A Active CN105169822B (en) | 2015-09-11 | 2015-09-11 | Air curtain partition device of negative pressure weighing room |
Country Status (1)
| Country | Link |
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| CN (1) | CN105169822B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101290A (en) * | 2017-04-24 | 2017-08-29 | 苏州英德尔室内空气技术有限公司 | A kind of negative pressure weighing room |
| CN108593060A (en) * | 2017-09-14 | 2018-09-28 | 苏州天微至胜运动控制技术有限公司 | A kind of negative pressure meausring apparatus and weighing technique |
| CN116116329A (en) * | 2023-04-13 | 2023-05-16 | 成都圣恩生物科技股份有限公司 | Seasoning processing production line |
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| US20030203712A1 (en) * | 2002-04-24 | 2003-10-30 | Nucci James S. | Car wash air curtain |
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| CN203961342U (en) * | 2014-07-02 | 2014-11-26 | 深圳市金开利科技股份有限公司 | A kind of weighing room |
| CN104499735A (en) * | 2014-08-12 | 2015-04-08 | 苏州悠远环境科技有限公司 | Negative pressure weighing cover |
| CN205007750U (en) * | 2015-09-11 | 2016-02-03 | 无锡零界净化设备有限公司 | Gas curtain of negative pressure weighing room cuts off device |
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2015
- 2015-09-11 CN CN201510576434.0A patent/CN105169822B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030203712A1 (en) * | 2002-04-24 | 2003-10-30 | Nucci James S. | Car wash air curtain |
| CN1403200A (en) * | 2002-06-11 | 2003-03-19 | 深圳美加丽实验室装备有限公司 | Environment protecting laboratory sampling stage and its operation method |
| CN201776150U (en) * | 2010-08-27 | 2011-03-30 | 苏州工业园区南华生物科技有限公司 | Experiment table cabinet |
| CN103382778A (en) * | 2012-05-04 | 2013-11-06 | 昆山协多利金属有限公司 | Negative-pressure weighing room |
| CN203583925U (en) * | 2013-10-31 | 2014-05-07 | 东莞市长原科技实业有限公司 | Negative-pressure weighing chamber |
| CN203648570U (en) * | 2013-12-27 | 2014-06-18 | 上海新威圣制药机械有限公司 | Negative pressure isolation operating table |
| CN203848449U (en) * | 2014-05-03 | 2014-09-24 | 浙江海康生物制品有限责任公司 | Weighing room used for producing kieselguhr serving as auxiliary materials of human serum albumin |
| CN203961342U (en) * | 2014-07-02 | 2014-11-26 | 深圳市金开利科技股份有限公司 | A kind of weighing room |
| CN104499735A (en) * | 2014-08-12 | 2015-04-08 | 苏州悠远环境科技有限公司 | Negative pressure weighing cover |
| CN205007750U (en) * | 2015-09-11 | 2016-02-03 | 无锡零界净化设备有限公司 | Gas curtain of negative pressure weighing room cuts off device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101290A (en) * | 2017-04-24 | 2017-08-29 | 苏州英德尔室内空气技术有限公司 | A kind of negative pressure weighing room |
| CN108593060A (en) * | 2017-09-14 | 2018-09-28 | 苏州天微至胜运动控制技术有限公司 | A kind of negative pressure meausring apparatus and weighing technique |
| CN116116329A (en) * | 2023-04-13 | 2023-05-16 | 成都圣恩生物科技股份有限公司 | Seasoning processing production line |
| CN116116329B (en) * | 2023-04-13 | 2023-07-11 | 成都圣恩生物科技股份有限公司 | Seasoning processing production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105169822B (en) | 2017-05-10 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 214125 Jiangsu City, Wuxi province Binhu District, Taihu City, the new economic Park Applicant after: Wuxi Lingjie cleaning equipment Limited by Share Ltd Address before: 214125 Jiangsu City, Wuxi province Binhu District, Taihu City, the new economic Park Applicant before: Wuxi zero boundary cleaning equipment Co., Ltd |
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| GR01 | Patent grant |