CN203908652U - Weighing cabinet used for purifying air - Google Patents
Weighing cabinet used for purifying air Download PDFInfo
- Publication number
- CN203908652U CN203908652U CN201420322561.9U CN201420322561U CN203908652U CN 203908652 U CN203908652 U CN 203908652U CN 201420322561 U CN201420322561 U CN 201420322561U CN 203908652 U CN203908652 U CN 203908652U
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- air
- weighing
- box body
- casing
- efficiency
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Abstract
The utility model discloses a weighing cabinet used for purifying air. The weighing cabinet comprises an air feeding box body, side plates, a high-efficiency box body, a strip curtain and a weighing chamber. The air feeding box body presents to be L-shaped. The internal part of the air feeding box body is provided with an air feeding fan and an air inlet pipe, the side surface is provided with an air exhaust which is communicated with the side plates, and the rear side surface is provided with an air inlet. The air inlet is communicated with the high-efficiency box body via the air feeding fan and the air inlet pipe. The side plates are detachably arranged on the two sides of the air feeding box body. A support and the high-efficiency box body are arranged above the air feeding box body. The support is detachably arranged above the side plates. The high-efficiency box body comprises an integrated modularized primary-efficiency filter, a medium-efficiency filter and a high-efficiency filter. The strip curtain is arranged below the high-efficiency box body and connected with the high-efficiency box body, the side plates and the air feeding box body in a sealing way so that the weighing chamber is formed. The intersecting part of the high-efficiency box body and the weighing chamber is provided with an air outlet which is provided with a flow-equalizing film. The weighing cabinet used for purifying air is convenient to install and easy to detach in repairing and maintenance so that cross contamination is effectively prevented and the high-cleanliness environment of the weighing chamber is guaranteed.
Description
Technical field
The utility model relates to pharmaceutical industry purification technology field, relates in particular to a kind of weighing cabinet for purifying air.
Background technology
It is a kind of for special Local Purification equipment in place such as pharmacy, microbe research and scientific experiments weighing cabinet, existing weighing cabinet is generally by carry out dust, reagent weighing, packing in equipment, so can control dust, reagent excessive, raise up, prevent dust, the inhalation hazard of reagent to human body.But, the bulky installation difficulty of existing weighing cabinet, inconvenience dismounting when maintenance, when work, ambient pressure is identical with weighing room's air pressure, easily produces cross pollution, cannot ensure weighing room's high-cleanness, high environment.
Utility model content
In view of this, the utility model provides a kind of weighing cabinet for purifying air, and it is easy for installation, when maintenance, easily dismantles, and effectively prevents cross pollution, has ensured the high-cleanness, high environment of weighing room.
The technological means that the utility model adopts is as follows: a kind of weighing cabinet for purifying air, comprise air-supply casing, side plate, efficient casing, bar curtain and weighing room, described air-supply casing is L-shaped, inside is equiped with pressure fan and draft tube, side is provided with the exhaust outlet communicating with described side plate, trailing flank is provided with air inlet, described air inlet is via described pressure fan, draft tube is communicated with described efficient casing, described side plate is removably located at the both sides of described air-supply casing, the top of described air-supply casing is provided with support and described efficient casing, described support is removably located at described side plate top, described efficient casing comprises the roughing efficiency air filter of Integral mold blocking, medium effeciency filter and high efficiency particulate air filter, described curtain is located at described efficient casing below and described efficient casing, side plate, air-supply casing is tightly connected and forms described weighing room, described efficient casing and junction, described weighing room are provided with air outlet, described air outlet place is provided with current-sharing film.
Preferably, described draft tube is bending and is positioned at the rear side of described air-supply casing.
Preferably, four of described weighing room joint angles are that circular arc connects.
Preferably, 100mm-400mm place, described air outlet below is provided with air velocity transducer.
Preferably, front, described weighing room is provided with control panel.
Preferably, described control panel side is provided with differential pressure controller.
Preferably, described air-supply box house is provided with air draft adjustable plate.
Preferably, the 5%-20% that the range of adjustment of described air draft adjustable plate exhaust air rate is total blast volume.
Adopt a kind of weighing cabinet for purifying air provided by the utility model, utilize modular design, it is easy for installation, when maintenance, easily dismantles, and utilizes vertical one-way gas flow, effectively prevents cross pollution, has ensured the high-cleanness, high environment of weighing room.
Brief description of the drawings
Fig. 1 is a kind of structural representation for the weighing cabinet that purifies air of the utility model;
Fig. 2 is a kind of structural representation for another angle of weighing cabinet of purifying air of the utility model.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1-2, a kind of weighing cabinet 1 for purifying air, comprises air-supply casing 2, side plate 3, efficient casing 4, bar curtain 5 and weighing room 6, described air-supply casing 2 is L-shaped, inside is equiped with pressure fan 7 and draft tube 8, side is provided with the exhaust outlet 9 communicating with described side plate 3, trailing flank is provided with air inlet 10, and described air inlet 10 is via described pressure fan 7, draft tube 8 is communicated with described efficient casing 4, described side plate 3 is removably located at the both sides of described air-supply casing 2, the top of described air-supply casing is provided with support 11 and described efficient casing 4, described support 11 is removably located at described side plate 3 tops, and described efficient casing 4 comprises the roughing efficiency air filter 12 of Integral mold blocking, medium effeciency filter 13 and high efficiency particulate air filter 14, described curtain 5 is located at described efficient casing 4 belows and described efficient casing 4, side plate 3, air-supply casing 2 is tightly connected and forms described weighing room 6, and described efficient casing 4 is provided with air outlet 15 with 6 junctions, described weighing room, and described air outlet 15 places are provided with current-sharing film 16.Described weighing cabinet 1 adopts modular design, Assembling convenient disassembly, it utilizes vertical one-way gas flow, part pure air is in the interior circulation in described weighing room 6, part is expelled near zone, make described weighing room 6 produce negative pressure, effectively prevent cross pollution, ensured the high-cleanness, high environment of described weighing room 6.
With reference to Fig. 1-2, described draft tube 8 is bending and is positioned at the rear side of described air-supply casing 2, makes air inlet more smooth and easy evenly.Four joint angle (not shown)s of described weighing room 6 are that circular arc connects, and ensure described weighing room 6 perform region sealings and neat and artistic.Described air outlet 15 100mm-400mm places, below are provided with air velocity transducer 17,6 fronts, described weighing room are provided with control panel 18, described control panel 18 sides are provided with differential pressure controller 19, described air-supply casing 2 inside are provided with air draft adjustable plate 20, described control panel 18 adopts touch panel inverter control system, can control the duty of the parts such as described pressure fan 7, air velocity transducer 17, differential pressure controller 19, air draft adjustable plate 20, handled easily, the abnormal alarm of each component working, and show on screen, play the effect of security warning.The 5%-20% that the range of adjustment of described air draft adjustable plate 20 exhaust air rates is total blast volume, concrete scope can be determined according to the required exhaust air rate of reality.
Below in conjunction with Fig. 1-2, the principle of work for the weighing cabinet 1 that purifies air in the utility model is described in detail, specific as follows:
Described weighing cabinet 1 adopts the airflow pattern of vertical way flow, first carries out pre-filtering by described roughing efficiency air filter 12 via the air-flow of described draft tube 8, and the big dust particle particle in air-flow is disposed.Through pretreated air, then carry out secondary filtration through described medium effeciency filter 13, to play the effect of the described high efficiency particulate air filter 14 that adequately protects.Under the pressure providing at described pressure fan 7, by described high efficiency particulate air filter 14, make it to reach clean requirement.Clean gas flow is sent to described weighing room 6, then delivers in described air-supply casing 2, forms uniform vertical ventilation air-flow, and part, by described air draft adjustable plate 20, is discharged described weighing cabinet 1.All air-flows are all processed through described high efficiency particulate air filter 14, so air-supply, air draft is not all with remaining dust, avoided secondary pollution.Owing to forming stable way flow in 6 perform regions, described weighing room, the dust distributing in this region, can, under the impact of one-way gas flow, be trapped by described roughing efficiency air filter 12, medium effeciency filter 13 along with air-flow.Described weighing cabinet 1 self is with the air draft of 5%-20%, thereby forms relatively and the negative pressure of external environment condition, ensured that to a certain extent dust in this region can not be diffused into outdoor, plays the effect of protecting external environment condition.
In sum, adopt a kind of weighing cabinet 1 for purifying air provided by the utility model, utilize modular design, it is easy for installation, when maintenance, easily dismantles, and utilizes vertical one-way gas flow, effectively prevent cross pollution, ensured the high-cleanness, high environment of described weighing room 6.In addition, described draft tube 8 is arranged to bending and can be made air inlet more smooth and easy evenly.Described joint angle is arranged to circular arc and is connected, and has ensured the sealing of 6 perform regions, described weighing room and neat and artistic.Described control panel 18 can be controlled the duty of the parts such as described air velocity transducer 17, differential pressure controller 19, air draft adjustable plate 20, and on screen, shows situation about detecting, handled easily.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (8)
1. the weighing cabinet for purifying air, comprise air-supply casing, side plate, efficient casing, bar curtain and weighing room, it is characterized in that, described air-supply casing is L-shaped, inside is equiped with pressure fan and draft tube, side is provided with the exhaust outlet communicating with described side plate, trailing flank is provided with air inlet, described air inlet is via described pressure fan, draft tube is communicated with described efficient casing, described side plate is removably located at the both sides of described air-supply casing, the top of described air-supply casing is provided with support and described efficient casing, described support is removably located at described side plate top, described efficient casing comprises the roughing efficiency air filter of Integral mold blocking, medium effeciency filter and high efficiency particulate air filter, described curtain is located at described efficient casing below and described efficient casing, side plate, air-supply casing is tightly connected and forms described weighing room, described efficient casing and junction, described weighing room are provided with air outlet, described air outlet place is provided with current-sharing film.
2. the weighing cabinet for purifying air as claimed in claim 1, is characterized in that, described draft tube is bending and is positioned at the rear side of described air-supply casing.
3. the weighing cabinet for purifying air as claimed in claim 1 or 2, is characterized in that, four joint angles of described weighing room are that circular arc connects.
4. the weighing cabinet for purifying air as claimed in claim 1 or 2, is characterized in that, 100mm-400mm place, described air outlet below is provided with air velocity transducer.
5. the weighing cabinet for purifying air as claimed in claim 1 or 2, is characterized in that, front, described weighing room is provided with control panel.
6. the weighing cabinet for purifying air as claimed in claim 5, is characterized in that, described control panel side is provided with differential pressure controller.
7. the weighing cabinet for purifying air as claimed in claim 1 or 2, is characterized in that, described air-supply box house is provided with air draft adjustable plate.
8. the weighing cabinet for purifying air as claimed in claim 7, is characterized in that, the 5%-20% that the range of adjustment of described air draft adjustable plate exhaust air rate is total blast volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322561.9U CN203908652U (en) | 2014-06-17 | 2014-06-17 | Weighing cabinet used for purifying air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420322561.9U CN203908652U (en) | 2014-06-17 | 2014-06-17 | Weighing cabinet used for purifying air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908652U true CN203908652U (en) | 2014-10-29 |
Family
ID=51782915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420322561.9U Expired - Fee Related CN203908652U (en) | 2014-06-17 | 2014-06-17 | Weighing cabinet used for purifying air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049072A (en) * | 2021-03-12 | 2021-06-29 | 中国五冶集团有限公司 | Weighing device with flow equalizing air curtain structure in clean room |
-
2014
- 2014-06-17 CN CN201420322561.9U patent/CN203908652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049072A (en) * | 2021-03-12 | 2021-06-29 | 中国五冶集团有限公司 | Weighing device with flow equalizing air curtain structure in clean room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20160617 |