CN216132036U - Negative pressure dust-free workshop - Google Patents
Negative pressure dust-free workshop Download PDFInfo
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- CN216132036U CN216132036U CN202122154186.4U CN202122154186U CN216132036U CN 216132036 U CN216132036 U CN 216132036U CN 202122154186 U CN202122154186 U CN 202122154186U CN 216132036 U CN216132036 U CN 216132036U
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Abstract
The utility model belongs to the technical field of negative pressure equipment and specifically relates to a dustless workshop of negative pressure has been solved the workshop and need keep apart with the external world when keeping negative pressure state, easily causes the accumulation of particulate matter in the workshop, is unfavorable for the problem of the product processing in the workshop, and it includes between the inclosed negative pressure of outer wall, be connected with between the negative pressure and be used for the suction interior gaseous air exhauster between the negative pressure, the air exhauster with be equipped with the rose box between the negative pressure, be equipped with the filter core in the rose box. This application has when keeping workshop negative pressure state, alleviates the air pollution's in the workshop effect.
Description
Technical Field
The application relates to the field of negative pressure equipment, in particular to a negative pressure dust-free workshop.
Background
Some products can produce a large amount of particulate matters in the production process at present, easily cause air pollution, in order to reduce the harmful effects that cause near the environment in processing workshop in the product course of working, often seal the door and window in workshop and tightly close, set up negative pressure equipment in the workshop that produces the suspended particles, maintain the atmospheric pressure in the workshop in the scope that is less than external atmospheric pressure 10-30Pa, can prevent that the air that contains the suspended particles in the workshop from spilling over from workshop door and window clearance, or gushes out outside the workshop when opening door and window.
Aiming at the related technologies, the inventor thinks that the defect that the workshop needs to be isolated from the outside when the negative pressure state is kept exists, particulate matters are easily accumulated in the workshop, and the product processing in the workshop is not facilitated.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the air pollution in the workshop when keeping workshop negative pressure state, this application provides a negative pressure dust-free workshop.
The application provides a dustless workshop of negative pressure adopts following technical scheme:
the utility model provides a negative pressure dust-free workshop, includes between the inclosed negative pressure of outer wall, be connected with between the negative pressure and be used for the suction gaseous air exhauster in the negative pressure room, the air exhauster with be equipped with the rose box between the negative pressure, be equipped with the filter core in the rose box.
Through adopting the above-mentioned technical scheme, made things convenient for the air suction of air exhauster in with inclosed negative pressure to come out, make the interior atmospheric pressure less than external atmospheric pressure between the negative pressure, prevent that the suspended particles thing that interior processing produced from between the negative pressure from outwards spilling over between the negative pressure, the interior course of working is to the outer pollution between the negative pressure between to the negative pressure within a definite time has been reduced, through set up the filter core between air exhauster and negative pressure, make the air exhauster suction with the interior debris between the negative pressure come out, when reducing the air pollution degree between the negative pressure, with air exhauster suction to the outer filtration between the negative pressure, prevent that the air of air exhauster suction from leading to the outer quilt pollution between the negative pressure.
Optionally, a fixing ring is arranged on the periphery of the filter element, a filter element replacing port is formed in the filter box, the filter element replacing port is connected with the fixing ring in an embedded mode, and the fixing ring is located in the filter box.
Through adopting above-mentioned technical scheme, made things convenient for and taken out retainer plate and filter core through trading the core mouth to put into the rose box with retainer plate and filter core again after the filter core replacement in, made things convenient for the replacement of filter core, improved the filter effect of air exhauster to the air of suction, made things convenient for long-term suction and the filter core of air exhauster between to the negative pressure to the long-term filtration of suction air.
Optionally, the filter box is communicated with the bottom end of the outer wall of the negative pressure chamber.
Through adopting above-mentioned technical scheme for the suction position of air exhauster is located bottom between the negative pressure, and the turbulent flow that produces when making the air exhauster to interior suction between the negative pressure is located bottom between the negative pressure, has reduced the influence of the pollutant floating movement that causes when the air exhauster is to interior suction between the negative pressure to product processing.
Optionally, the exhaust fan reaches the rose box all locates outside between the negative pressure.
Through adopting above-mentioned technical scheme, the noise that has reduced the air exhauster during operation produces the influence of interior product processing to the negative pressure within a definite time, and has made things convenient for and has carried out the change of filter core outside within a definite time at the negative pressure, prevents that the filter core is changed to lead to adnexed debris on the filter core to waft and spill to within a definite time at the negative pressure within a definite time, and then influences the processing environment within a definite time of negative pressure.
Optionally, a first locking valve for separating the filter tank from the negative pressure is arranged between the filter tank and the negative pressure.
Through adopting above-mentioned technical scheme, made things convenient for when the renew cartridge through the passageway separation between first lock shut valve with rose box and negative pressure, impurity such as the particulate matter in rose box and the filter core flows back to in the negative pressure and drifts away under the effect of atmospheric pressure difference with the external world between the negative pressure when preventing the renew cartridge, and then aggravate the pollution in the negative pressure.
Optionally, the exhaust fan is connected with a dust removal cloth bag used for intercepting residual impurities in the air sucked by the exhaust fan.
Through adopting above-mentioned technical scheme, carry out filtration once more with the gas of air exhauster suction for the particulate matter in the air of air exhauster to external world exhaust further reduces, further prevents that the course of working in the negative pressure room from causing the pollution to the external world.
Optionally, the negative pressure chamber is communicated with a buffer chamber with the air pressure range consistent with that of the negative pressure chamber, the buffer chamber is communicated with the filter box, and a second locking valve is arranged between the buffer chamber and the filter box.
Through adopting above-mentioned technical scheme for the staff gets into between the buffering before the negative pressure, and adjust the atmospheric pressure in will buffering to be close with the atmospheric pressure between the negative pressure rapidly through the air exhauster, make the staff get into between the negative pressure by the buffering in the time, the impact that receives between the negative pressure is less, has reduced the influence to air in the negative pressure when the staff gets into between the negative pressure.
Optionally, the exhaust fan, the first locking valve and the second locking valve are electrically connected to a PLC control box.
Through adopting above-mentioned technical scheme, made things convenient for the automatic switch through first lock valve of PLC control box control and second lock valve for second lock valve self-closing when suction air reinforcing negative pressure between the negative pressure, first lock valve self-closing when suction air reinforcing negative pressure between to the buffering, and first lock valve and second lock valve self-closing when changing the filter core in the rose box, made things convenient for the maintenance of negative pressure and the filtration when sucking the air in negative pressure and the buffering.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the filter element is arranged between the exhaust fan and the negative pressure room, so that sundries in the negative pressure room are sucked out by the exhaust fan, the air pollution degree in the negative pressure room is reduced, the air sucked by the exhaust fan to the outside of the negative pressure room is filtered, and the air sucked by the exhaust fan is prevented from causing the outside pollution of the negative pressure room;
2. the filter element is convenient to replace by arranging the fixing ring outside the filter element and arranging the exhaust fan and the filter box outside the negative pressure chamber, so that the filter element is convenient to replace at a calm wind position, the pollution to air caused by the scattering of impurities attached to the filter element into the air when the filter element is replaced is reduced, the air below the negative pressure chamber is convenient to be sucked by the exhaust fan by communicating the filter box with the bottom end of the outer wall of the negative pressure chamber, and the air turbulence and the pollutant circulation in the negative pressure chamber caused by the suction of the exhaust fan are reduced;
3. set up between the buffering through the entrance between the negative pressure, made things convenient for the staff to advance to enter between the buffering before getting into between the negative pressure, and get into between the negative pressure after the balanced atmospheric pressure in the buffering, reduced the impact that the staff caused to atmospheric pressure and air in between the negative pressure when getting into between the negative pressure, through set up first lock valve between rose box and negative pressure, set up the second lock valve between rose box and buffering, made things convenient for suction respectively and the filter core change in the rose box between negative pressure and buffering, reduced between the negative pressure, between the buffering, the mutual influence of rose box.
Drawings
FIG. 1 is a schematic illustration of a negative pressure cleanroom embodiment of the present application.
FIG. 2 is an exploded view of a negative pressure dust room of an embodiment of the present application.
Description of reference numerals: 1. a negative pressure chamber; 2. an exhaust fan; 21. a dust removal cloth bag; 3. a filter box; 31. changing the core opening; 4. a filter element; 41. a stationary ring; 5. a first lock valve; 6. a buffer room; 7. a second latch valve; 8. and a PLC control box.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses negative pressure dust-free workshop. Referring to fig. 1 and 2, a negative pressure dust-free workshop, 1 between the negative pressure that the processing product was used, 1 door and window all seals and tightly closes between the negative pressure, 1 intercommunication has air exhauster 2 between the negative pressure, air in 1 is to the negative pressure to air exhauster 2, has made things convenient for and has reduced the atmospheric pressure in 1 between the negative pressure, makes 1 between the negative pressure be in the negative pressure state, prevents that particulate matter etc. that produce when the processing product in 1 between the negative pressure from flowing to the external world by 1 between the negative pressure when door and window switch, causes air pollution to the external world.
Referring to fig. 1 and 2, the negative pressure room 1 and the exhaust fan 2 are communicated with each other to form a filter box 3, a filter element 4 is arranged in the filter box 3, the filter element 4 is convenient to filter air sucked out from the negative pressure room 1 by the exhaust fan 2, impurities in the air discharged by the exhaust fan 2 are reduced, air pollutants in the negative pressure room 1 are reduced, an air outlet of the exhaust fan 2 is connected with a dust removal cloth bag 21, residual impurities in the air sucked out by the exhaust fan 2 are intercepted, and the probability of 1 external pollution between the negative pressures is further reduced.
Referring to fig. 1 and 2, the periphery of the filter element 4 is provided with a fixing ring 41 for fixing the filter element 4, the filter box 3 is provided with a filter element replacing port 31, and the fixing ring 41 is embedded with the filter element replacing port 31 to facilitate taking out the fixing ring 41 from the filter element replacing port 31, and the filter element 4 in the fixing ring 41 is cleaned and replaced, so that the replacement efficiency and the long-term filtering effect of the filter element 4 are improved.
Referring to fig. 1 and 2, the filter box 3 and the exhaust fan 2 are both arranged outside the negative pressure chamber 1, so that the filter element changing port 31 is located at a calm air position, the taking out of the fixing ring 41 and the changing of the filter element 4 are facilitated, and the pollution to the surrounding environment caused by sundries attached to the filter element 4 under the air disturbance when the filter element 4 is changed is prevented. And the intercommunication department of 1 sets up 1 outer wall bottom between the negative pressure between filter box 3 and negative pressure for 2 suction departments of air exhauster are located 1 bottom space between the negative pressure, and impurity such as the granule in 1 between the negative pressure drives to 1 top space between the negative pressure when preventing 2 suction air of air exhauster, influences the processing of product.
Referring to fig. 1 and 2, a first locking valve 5 is arranged on a pipeline between the filter box 3 and the negative pressure chamber 1, when the fixing ring 41 is taken out and the filter element 4 is replaced, the core replacing port 31 is opened to enable the filter box 3 to be communicated with the outside, and after the first locking valve 5 is closed, the filter box 3 and the negative pressure chamber 1 are separated, so that impurities in the filter box 3 are prevented from being brought into the negative pressure chamber 1 under the action of the air pressure difference between the outside and the negative pressure chamber 1, air turbulence is generated in the negative pressure chamber 1, air pollution in the negative pressure chamber 1 is intensified, and product processing in the negative pressure chamber 1 is not facilitated.
Referring to fig. 1 and 2, the entrance of 1 is equipped with between the buffering 6 between the negative pressure, 6 and rose box 3 intercommunication between the buffering, before the staff gets into 1 between the negative pressure, need advance to go into between the buffering 6, air exhauster 2 sucks between the buffering 6, when atmospheric pressure in 6 and negative pressure within a definite time are close, the staff can get into 1 between the negative pressure within a definite time, 1 atmospheric pressure ascending degree between the negative pressure that the staff caused when having reduced the staff and having got into 1 between the negative pressure, and only need resume the atmospheric pressure of increase in 6 between the buffering, the power of keeping 1 interior negative pressure scope consumption between the negative pressure through air exhauster 2 has been reduced.
Referring to fig. 1 and 2, a second locking valve 7 is arranged on a pipeline between the buffer room 6 and the filter box 3, so that the first locking valve 5 can be conveniently closed when air in the buffer room 6 only needs to be sucked, the second locking valve 7 can be conveniently closed when air in the negative pressure room 1 only needs to be sucked, the first locking valve 5 and the second locking valve 7 are both closed when the filter element 4 is replaced, and the mutual influence of the negative pressure room 1, the buffer room 6 and the filter element 4 is prevented. Air exhauster 2, the common electric connection of first lock valve 5 and second lock valve 7 has PLC control box 8, and PLC control box 8 control air exhauster 2 and first lock valve 5 open simultaneously when having made things convenient for 1 to aspirate between the negative pressure, control air exhauster 2 and second lock valve 7 open simultaneously when aspirating between 6 to the buffering to and close when changing control air exhauster 2, first lock valve 5 and second lock valve 7 to filter core 4.
The implementation principle of the negative pressure dust-free workshop in the embodiment of the application is as follows: open first lock valve 5 and second lock valve 7 through PLC control box 8 to start air exhauster 2, when treating that the atmospheric pressure in the buffering room 6 reaches predetermined atmospheric pressure within range, close second lock valve 7, when atmospheric pressure in 1 reaches predetermined atmospheric pressure within range between the negative pressure, close first lock valve 5, can carry out the processing of product in 1 between the negative pressure, regularly to 1 between the negative pressure and buffer 6 aspirate, made things convenient for and maintained the negative pressure state in 1 between the negative pressure and the buffering room 6.
When the staff need arrive the external world from between the negative pressure 1, the staff is by 1 entering between the negative pressure buffering 6, with 1 door tightly closed between the negative pressure, reachd the external world by between the buffering 6 again, with the door tightly closed between the buffering 6, control second locking valve 7 through PLC control box 8 again and open, first locking valve 5 closes, and start air exhauster 2, treat that the atmospheric pressure in the buffering 6 recovers to when being close with the atmospheric pressure in the negative pressure 1, can close air exhauster 2 and second locking valve 7, guarantee the negative pressure state between 1 and the buffering 6.
When the staff need get into in 1 between the negative pressure from the external world, the staff advanced gets into between the buffering 6, will cushion between 6 the door tightly and close, through PLC control box 8 control second lock valve 7 open, first lock valve 5 closes to start air exhauster 2, treat that atmospheric pressure in the buffering 6 recovers to when being close with the atmospheric pressure in 1 between the negative pressure, can close air exhauster 2 and second lock valve 7, guarantee between the negative pressure 1 and the buffer between the negative pressure state of 6.
The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a dustless workshop of negative pressure which characterized in that: including between the inclosed negative pressure of outer wall (1), be connected with between the negative pressure (1) and be used for the suction air exhauster (2) of (1) internal gas between the negative pressure, air exhauster (2) with be equipped with rose box (3) between (1) between the negative pressure, be equipped with filter core (4) in rose box (3).
2. A negative pressure dust-free plant according to claim 1, characterized in that: the filter element (4) periphery is equipped with retainer plate (41), seted up on rose box (3) and trade core mouth (31), trade core mouth (31) with retainer plate (41) gomphosis is connected and retainer plate (41) are located rose box (3).
3. A negative pressure dust-free plant according to claim 1, characterized in that: the filter box (3) is communicated with the bottom end of the outer wall of the negative pressure chamber (1).
4. A negative pressure dust-free plant according to claim 1, characterized in that: the exhaust fan (2) and the filter box (3) are arranged outside the negative pressure room (1).
5. A negative pressure dust-free plant according to claim 1, characterized in that: a first locking valve (5) used for separating the filter tank (3) from the negative pressure chamber (1) is arranged between the filter tank (3) and the negative pressure chamber (1).
6. A negative pressure dust-free plant according to claim 1, characterized in that: the exhaust fan (2) is connected with a dust removal cloth bag (21) used for intercepting impurities left in the air sucked by the exhaust fan (2).
7. A negative pressure dust-free plant according to claim 5, characterized in that: the negative pressure room (1) is communicated with a buffer room (6) with the air pressure range consistent with that of the negative pressure room (1), the buffer room (6) is communicated with the filter box (3), and a second locking valve (7) is arranged between the buffer room (6) and the filter box (3).
8. A negative pressure dust-free plant according to claim 7, characterized in that: the exhaust fan (2), the first locking valve (5) and the second locking valve (7) are electrically connected with a PLC control box (8) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154186.4U CN216132036U (en) | 2021-09-07 | 2021-09-07 | Negative pressure dust-free workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154186.4U CN216132036U (en) | 2021-09-07 | 2021-09-07 | Negative pressure dust-free workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216132036U true CN216132036U (en) | 2022-03-25 |
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ID=80772637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122154186.4U Active CN216132036U (en) | 2021-09-07 | 2021-09-07 | Negative pressure dust-free workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216132036U (en) |
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2021
- 2021-09-07 CN CN202122154186.4U patent/CN216132036U/en active Active
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