CN202578041U - Negative pressure weighing room - Google Patents
Negative pressure weighing room Download PDFInfo
- Publication number
- CN202578041U CN202578041U CN 201220195271 CN201220195271U CN202578041U CN 202578041 U CN202578041 U CN 202578041U CN 201220195271 CN201220195271 CN 201220195271 CN 201220195271 U CN201220195271 U CN 201220195271U CN 202578041 U CN202578041 U CN 202578041U
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- air
- casing
- negative pressure
- workspace
- return air
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Abstract
The utility model discloses a negative pressure weighing room which comprises an outer box, and an air return box, an air supply box and a working area arranged in the outer box, wherein the air supply box is arranged in the upper area in the outer box; the air return box is positioned in the outer box and arranged at one side of the area below the air supply box; the air supply box, the air return box and the outer box encircle the working area; a fan support and a blower arranged on the fan support are arranged in the air return box; the air outlet of the blower is communicated with the interior of the air supply box; the air return box is internally provided with a primary filter and a medium efficiency filter for filtering the air entering the air return box; the part, corresponding to the junction of the air supply box and the working area, of the air supply box is provided with a high-efficiency filter; the lower side, adjacent to the working area, of the air supply box is provided with an air outlet; and the air outlet is provided with a flow equalize film. The negative pressure weighing room causes the working area to generate negative pressure so as to avoid cross contamination, ensure the safety of the operator, avoid secondary pollution caused by weighing and ensure high cleanliness of the working area.
Description
Technical field
The utility model relates to bio-pharmaceuticals industry toilet engineering technical field, relates to specifically between a kind of negative pressure weighing.
Background technology
Requirement according to pharmaceuticals industry GMP; Operation room such as the supplementary material weighing of preparation or the sampling of dried material or product, weighing, mixing, packing and the production department of producing tablet, bulk drug, oral formulations etc. in weighing, mix, sieve, all must satisfy certain cleanliness factor requirement in the technique processes such as whole grain, compressing tablet, capsule filling, pulvis can; And the dust from flying diffusion takes place in these zones the most easily, particularly through air cleaning and conditioning system medicine or cross pollution takes place to mix.For strong toxicity, excitant, hypersensitive dust are arranged, problem is more serious.Therefore dust Control becomes the problem that medical workshop must solve with removing.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides between a kind of negative pressure weighing, makes the workspace produce negative pressure, prevents cross pollution, protection operator's safety, and, guaranteed the high-cleanness, high environment of workspace not because of weighing produces secondary pollution.
The utility model for the technical scheme that solves its technical problem and adopt is: between a kind of negative pressure weighing; Comprise outer case and return air casing, air-supply casing and the workspace be located in this outer case; Said air-supply casing is located in the upper area in the said outer case, and its lateral surface and said outer case are tightly connected; Said return air casing is located at a side place in the zone that is positioned at said air-supply casing below in the said outer case, and said air-supply casing, return air casing and outer case surround said workspace jointly; In said return air casing, be provided with fan supporter and be located at the ventilator on this fan supporter, and the air outlet of this ventilator leads in the said air-supply casing; Be provided with roughing efficiency air filter at said return air casing below near a side of said workspace, be positioned at the below of said fan supporter in this return air casing and be provided with medium effeciency filter over against this roughing efficiency air filter place; Said air-supply casing is provided with high efficiency particulate air filter corresponding to the intersection of said air-supply casing and workspace, and the downside of the said workspace of vicinity of said air-supply casing is provided with air outlet, and this air outlet is provided with the current-sharing film.
Further improvement as the utility model; In said return air casing, be provided with switch board; The side that said air-intaking box body is positioned at said workspace is provided with control panel, and this control panel is controlled the duty of said ventilator, roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter through said switch board.
As the further improvement of the utility model, be provided with the teardrop lamp in the upper side and the position, corresponding said workspace of said air-supply casing, the switch jack panel of this teardrop lamp is arranged on the said control panel.
As the further improvement of the utility model, on said control panel, also be provided with the differential pressure indicator and the emergency button that are used for the induction air flow size.
As the further improvement of the utility model, on the lateral surface of said return air casing and workspace vicinity, be provided with air velocity transducer.
As the further improvement of the utility model, on said return air casing, also be provided with access door, this access door is connected through doorframe and said return air casing.
As the further improvement of the utility model, said ventilator is connected with said fan supporter through damper, and receives repeatedly in the said air-supply casing through flexible pipe it is blown.
As the further improvement of the utility model, said return air casing and return air casing are the stainless steel rectangular structure, and said outer case is one of stainless steel sheet metal, two-sided stainless steel rock wool and paper honeycomb structure.
As the further improvement of the utility model, on a side of the high efficiency particulate air filter of said air-supply casing, be provided with air outlet, other is provided with the size that control valve is adjusted this air outlet exhaust air rate, and the exhaust air rate adjustable range is the 10%-15% of total blast volume.
As the further improvement of the utility model, said high efficiency particulate air filter is connected with said air-supply casing medial surface through stainless steel frame, and silica gel sealing is adopted in the junction; Said roughing efficiency air filter is connected with said return air casing through stainless steel frame respectively with medium effeciency filter; Said return air support is fixed on the said outer case through screw.
The beneficial effect of the utility model is: not only protected medicine in environment, and protected operator's safety, do not produced secondary pollution because of weighing simultaneously.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the cross section structure sketch map of the utility model along said return air casing and workspace critical surface;
Fig. 3 is the utility model plan structure sketch map.
In conjunction with accompanying drawing, explanation below doing:
1---outer case 2---return air casing
3---air-supply casing 4---workspace
5---fan supporter 6---ventilator
7---roughing efficiency air filter 8---medium effeciency filter
9---high efficiency particulate air filter 10---current-sharing film
11---control panel 12---teardrop lamp
13---switch jack panel 14---differential pressure indicator
15---emergency button 16---air velocity transducer
17---access door 18---air outlet
The specific embodiment
In conjunction with accompanying drawing, the utility model is elaborated, but the protection domain of the utility model is not limited to following embodiment.
Between a kind of negative pressure weighing, comprise outer case 1 and return air casing 2, air-supply casing 3 and the workspace 4 be located in this outer case, said air-supply casing is located in the upper area in the said outer case, and its lateral surface and said outer case are tightly connected; Said return air casing is located at a side place in the zone that is positioned at said air-supply casing below in the said outer case, and said air-supply casing, return air casing and outer case surround said workspace jointly; In said return air casing, be provided with fan supporter 5 and be located at the ventilator 6 on this fan supporter, and the air outlet of this ventilator leads in the said air-supply casing; Be provided with roughing efficiency air filter 7 at said return air casing below near a side of said workspace, be positioned at the below of said fan supporter in this return air casing and be provided with medium effeciency filter 8 over against this roughing efficiency air filter place; Said air-supply casing is provided with high efficiency particulate air filter 9 corresponding to the intersection of said air-supply casing and workspace, and the downside of the said workspace of vicinity of said air-supply casing is provided with air outlet, and this air outlet is provided with current-sharing film 10.Like this, the wind of drawing from ventilator be introduced in the air-supply casing and successively the high efficiency particulate air filter in it and drainage film be incorporated into the workspace, thereby guaranteed the uniformity of the degree of closing and the air-flow of return air; Wind through the workspace is introduced in the return air casing again; In the return air casing, be incorporated into ventilator again through roughing efficiency air filter and medium effeciency filter successively; The dust that the workspace is distributed is captured and delivers to ventilator again by first, medium effeciency filter, circulation so successively, thus form stable negative pressure way flow; And the cleanliness factor of the workspace that guarantees air-supply, satisfy pharmaceutical factory GMP requirement.Can reuse periodically changed or cleaned back for the current-sharing film.
Preferably; In said return air casing, be provided with switch board; The side that said air-intaking box body is positioned at said workspace is provided with control panel 11, and this control panel is controlled the duty of said ventilator, roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter through said switch board.The staff can control cabinet through control panel in the workspace, thereby controls the duty of ventilator, roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter etc.
Preferably, be provided with teardrop lamp 12 in the upper side and the position, corresponding said workspace of said air-supply casing, the switch jack panel 13 of this teardrop lamp is arranged on the said control panel.
Preferably, on said control panel, also be provided with the differential pressure indicator 14 and emergency button 15 that is used for the induction air flow size.
Preferably, on the lateral surface of said return air casing and workspace vicinity, be provided with air velocity transducer 16.
Preferably, on said return air casing, also be provided with access door 17, this access door is connected through doorframe and said return air casing.
Preferably, said ventilator is connected with said fan supporter through damper, and receives repeatedly in the said air-supply casing through flexible pipe it is blown.
Preferably, said return air casing and return air casing are the stainless steel rectangular structure, and said outer case is one of stainless steel sheet metal, two-sided stainless steel rock wool and paper honeycomb structure.
Preferably, on a side of the high efficiency particulate air filter of said air-supply casing, be provided with air outlet 18, other is provided with the size that control valve is adjusted this air outlet exhaust air rate, and the exhaust air rate adjustable range is the 10%-15% of total blast volume.
Preferably, said high efficiency particulate air filter is connected with said air-supply casing medial surface through stainless steel frame, and silica gel sealing is adopted in the junction; Said roughing efficiency air filter is connected with said return air casing through stainless steel frame respectively with medium effeciency filter; Said return air support is fixed on the said outer case through screw.
Claims (10)
1. between a negative pressure weighing; It is characterized in that: comprise outer case (1) and be located at the return air casing (2) in this outer case, blow casing (3) and workspace (4); Said air-supply casing is located in the upper area in the said outer case, and its lateral surface and said outer case are tightly connected; Said return air casing is located at a side place in the zone that is positioned at said air-supply casing below in the said outer case, and said air-supply casing, return air casing and outer case surround said workspace jointly; In said return air casing, be provided with fan supporter (5) and be located at the ventilator (6) on this fan supporter, and the air outlet of this ventilator leads in the said air-supply casing; Be provided with roughing efficiency air filter (7) at said return air casing below near a side of said workspace, be positioned at the below of said fan supporter in this return air casing and be provided with medium effeciency filter (8) over against this roughing efficiency air filter place; Said air-supply casing is provided with high efficiency particulate air filter (9) corresponding to the intersection of said air-supply casing and workspace, and the downside of the said workspace of vicinity of said air-supply casing is provided with air outlet, and this air outlet is provided with current-sharing film (10).
2. between negative pressure weighing according to claim 1; It is characterized in that: in said return air casing, be provided with switch board; The side that said air-intaking box body is positioned at said workspace is provided with control panel (11), and this control panel is controlled the duty of said ventilator, roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter through said switch board.
3. between negative pressure weighing according to claim 2, it is characterized in that: upper side and position, corresponding said workspace at said air-supply casing are provided with teardrop lamp (12), and the switch jack panel of this teardrop lamp (13) is arranged on the said control panel.
4. between negative pressure weighing according to claim 2, it is characterized in that: on said control panel, also be provided with the differential pressure indicator (14) and the emergency button (15) that are used for the induction air flow size.
5. between negative pressure weighing according to claim 1 and 2, it is characterized in that: on the lateral surface of said return air casing and workspace vicinity, be provided with air velocity transducer (16).
6. between negative pressure weighing according to claim 1 and 2, it is characterized in that: on said return air casing, also be provided with access door (17), this access door is connected through doorframe and said return air casing.
7. between negative pressure weighing according to claim 1 and 2, it is characterized in that: said ventilator is connected with said fan supporter through damper, and receives repeatedly in the said air-supply casing through flexible pipe it is blown.
8. between negative pressure weighing according to claim 1 and 2, it is characterized in that: said return air casing and return air casing are the stainless steel rectangular structure, and said outer case is one of stainless steel sheet metal, two-sided stainless steel rock wool and paper honeycomb structure.
9. between negative pressure weighing according to claim 1 and 2; It is characterized in that: on a side of the high efficiency particulate air filter of said air-supply casing, be provided with air outlet (18); Other is provided with the size that control valve is adjusted this air outlet exhaust air rate, and the exhaust air rate adjustable range is the 10%-15% of total blast volume.
10. between negative pressure weighing according to claim 1 and 2, it is characterized in that: said high efficiency particulate air filter is connected with said air-supply casing medial surface through stainless steel frame, and silica gel sealing is adopted in the junction; Said roughing efficiency air filter is connected with said return air casing through stainless steel frame respectively with medium effeciency filter; Said return air support is fixed on the said outer case through screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195271 CN202578041U (en) | 2012-05-04 | 2012-05-04 | Negative pressure weighing room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220195271 CN202578041U (en) | 2012-05-04 | 2012-05-04 | Negative pressure weighing room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202578041U true CN202578041U (en) | 2012-12-05 |
Family
ID=47247465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220195271 Expired - Lifetime CN202578041U (en) | 2012-05-04 | 2012-05-04 | Negative pressure weighing room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202578041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909000A (en) * | 2016-05-31 | 2016-08-31 | 四川川净洁净技术股份有限公司 | People stream/material stream sterile airlock chamber |
-
2012
- 2012-05-04 CN CN 201220195271 patent/CN202578041U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909000A (en) * | 2016-05-31 | 2016-08-31 | 四川川净洁净技术股份有限公司 | People stream/material stream sterile airlock chamber |
| CN105909000B (en) * | 2016-05-31 | 2018-06-05 | 四川川净洁净技术股份有限公司 | Between the sterile gas lock of the stream of people/logistics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215331, No. 116, Dong Dong Dong Road, Lu Jia town, Kunshan, Jiangsu, Suzhou Patentee after: Kunshan society of Victoria cleaning system, Limited by Share Ltd Address before: 215331, No. 116, Dong Dong Dong Road, Lu Jia town, Kunshan, Jiangsu, Suzhou Patentee before: Kunshan Max Metal Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |