CN217423528U - Positive pressure ventilation system of explosion-proof door hopper - Google Patents
Positive pressure ventilation system of explosion-proof door hopper Download PDFInfo
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- CN217423528U CN217423528U CN202221030886.0U CN202221030886U CN217423528U CN 217423528 U CN217423528 U CN 217423528U CN 202221030886 U CN202221030886 U CN 202221030886U CN 217423528 U CN217423528 U CN 217423528U
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Abstract
The utility model belongs to the ventilation facility field, concretely relates to malleation ventilation system of explosion-proof door pocket, including main blast pipe, explosion-proof door pocket and clean air conditioner, clean air conditioner is connected to the one end of main blast pipe, and the other end of main blast pipe is connected with the supply-air outlet that is located explosion-proof door pocket, is connected with reserve blast pipe on the main blast pipe, is equipped with first ventilation valve on the reserve blast pipe, and the other end of reserve blast pipe is connected with reserve ventilation blower. The utility model has the advantages of reasonable design, use the malleation in clean air conditioner assurance explosion-proof door fill under normal conditions, when clean air conditioner broke down or need stop overhauing, use reserve ventilation blower to take over clean air conditioner and accomplish malleation ventilation function, ensured going on continuously of production safety, work, improved work efficiency.
Description
Technical Field
The utility model relates to a malleation ventilation system of explosion-proof door pocket belongs to the ventilation facility field.
Background
The clean factory building of class A, class B is used extensively in modern industrial production, and current clean factory building of class A, class B is located the explosion-proof door pocket of clean district, and explosion-proof door pocket not only will keep the cleanliness factor requirement, will satisfy the malleation value requirement again, and prior art generally utilizes clean air conditioning system to realize the malleation ventilation function, overhauls when the air conditioner or other unexpected situations shut down appear, and the malleation value of door pocket can't obtain the guarantee, influences production safety, causes production loss.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the positive pressure ventilation system of the explosion-proof door hopper has the advantages that when the air-conditioning cleaning system breaks down or needs to be overhauled, the positive pressure ventilation function can be still realized, and the problem that the positive pressure value in the explosion-proof door hopper cannot be guaranteed when the clean air-conditioning is stopped is effectively solved.
Malleation ventilation system of explosion-proof door fill, including main blast pipe, explosion-proof door fill and clean air conditioner, clean air conditioner is connected to the one end of main blast pipe, and the other end of main blast pipe is connected with the supply-air outlet that is located explosion-proof door fill, is connected with reserve blast pipe on the main blast pipe, is equipped with first ventilation valve on the reserve blast pipe, the other end of reserve blast pipe is connected with reserve ventilation blower.
The working principle is as follows:
when the explosion-proof door hopper is normally used, the clean air conditioner sends air into the explosion-proof door hopper through the main air supply pipe and the air supply outlet, and then the positive pressure ventilation function of the explosion-proof door hopper can be completed; when the clean air conditioner breaks down or needs to be shut down for maintenance, the first ventilation valve and the standby ventilator are opened, so that the air quantity is delivered into the explosion-proof door hopper through the standby air supply pipe, the main air supply pipe and the air supply outlet, and the clean air conditioner is replaced to complete the positive pressure ventilation function so as to ensure that a certain positive pressure value is continuously maintained in the explosion-proof door hopper.
The end part of the air inlet of the standby ventilator is connected with a second vent valve which is normally closed at ordinary times, so that the problem that the cleanliness of a clean area is affected due to the fact that the air which is not processed outside enters the standby air supply pipe under the normal working state of the clean air conditioner can be solved, and the air further passes through the standby air supply pipe and gaps of all connection parts of the parts to leak air is solved.
The second vent valve is located outside the explosion danger area and at least one meter away from the explosion-proof area, and air inlet cleanness is guaranteed.
Foretell malleation ventilation system is still including the controller, be provided with manometer and decompression alarm in the explosion-proof door hopper, manometer and decompression alarm all are connected with the controller electricity, but the pressure value in the explosion-proof door hopper of manometer real-time detection, when explosion-proof door hopper takes place the trouble because of clean air conditioner and shuts down or does not shut down completely and lead to not reaching the malleation ventilation effect of ideal, the manometer is with signal transmission to controller, the controller can control the decompression alarm and report to the police to remind the workman in time to handle the abnormal conditions.
Foretell first vent valve and second vent valve are electronic airtight valve, and first vent valve, second vent valve and reserve ventilation machine all are connected with the controller electricity, and when the manometer will measure the malleation ventilation abnormal conditions, the automatic opening of steerable first vent valve, second vent valve and reserve ventilation machine of controller to under the condition of unmanned nursing, also can reach and take over the purpose that clean air conditioner accomplished the malleation ventilation function.
The main air supply pipe is provided with a check valve which can prevent the air in the explosion-proof door hopper from flowing back to the main air supply pipe.
The main blast pipe penetrates through the wall of the explosion-proof door hopper, a fire valve is arranged to play a role in fire shutoff, and the fire valve is automatically closed when the temperature exceeds a certain temperature, so that the main blast pipe is prevented from continuously conveying air to cause combustion supporting.
Compared with the prior art, the utility model beneficial effect who has is:
explosion-proof door fill's malleation ventilation system, structural design is reasonable, uses the malleation in clean air conditioner assurance explosion-proof door fill under normal conditions, when clean air conditioner broke down or need the stopping overhaul, uses reserve ventilation blower to replace clean air conditioner and accomplishes malleation ventilation function, has ensured going on continuously of production safety, work, has improved work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a second vent valve; 2. a standby ventilator; 3. a first vent valve; 4. a fire damper; 5. a check valve; 6. an explosion-proof door hopper; 7. a voltage loss alarm; 8. a pressure gauge; 9. a main blast pipe; 10. a spare blast pipe.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
example 1:
as shown in fig. 1, explosion-proof door fill's malleation ventilation system, including main blast pipe 9, explosion-proof door fill 6 and clean air conditioner, clean air conditioner is connected to the one end of main blast pipe 9, and the other end of main blast pipe 9 is connected with the supply-air outlet 11 that is located explosion-proof door fill 6, is connected with reserve blast pipe 10 on the main blast pipe 9, is equipped with first ventilation valve 3 on the reserve blast pipe 10, and the other end of reserve blast pipe 10 is connected with reserve ventilation blower 2.
When the explosion-proof door hopper is normally used, the clean air conditioner sends air into the explosion-proof door hopper 6 through the main air supply pipe 9 and the air supply port 11, and then the positive pressure ventilation function of the explosion-proof door hopper 6 can be completed; when the clean air conditioner breaks down or needs to be stopped for maintenance, the first ventilation valve 3 and the standby ventilator 2 are opened, so that the air quantity is sent into the explosion-proof door hopper 6 through the standby air supply pipe 10, the main air supply pipe 9 and the air supply port 11, and the clean air conditioner is replaced to complete the positive pressure ventilation function, so that a certain positive pressure value is continuously maintained in the explosion-proof door hopper 6.
Explosion-proof door fill's malleation ventilation system, structural design is reasonable, uses clean air conditioner to guarantee the malleation in the explosion-proof door fill under normal conditions, when clean air conditioner broke down or need stop overhaul, uses reserve ventilation blower 2 to replace clean air conditioner and accomplish the malleation ventilation function, has ensured the continuation of production safety, work and has gone on, improved work efficiency.
Example 2:
as shown in fig. 1, explosion-proof door fill's malleation ventilation system, including main blast pipe 9, explosion-proof door fill 6 and clean air conditioner, clean air conditioner is connected to the one end of main blast pipe 9, and the other end of main blast pipe 9 is connected with the supply-air outlet 11 that is located explosion-proof door fill 6, its characterized in that: the main air supply pipe 9 is connected with a standby air supply pipe 10, the standby air supply pipe 10 is provided with a first ventilation valve 3, and the other end of the standby air supply pipe 10 is connected with a standby ventilator 2.
In this embodiment:
the end part of the air inlet of the spare ventilator 2 is connected with a second vent valve 1, the second vent valve 1 is normally closed at ordinary times, so that the problem that the cleanliness of a clean area is influenced due to the fact that outside untreated air enters a spare air supply pipe 10 when the clean air conditioner is in a normal working state and further leaks air through the spare air supply pipe 10 and gaps at joints of parts is solved; the second vent valve 1 is positioned outside an explosion danger area, is at least one meter away from the explosion-proof area, and ensures clean inlet air; the positive pressure ventilation system also comprises a controller, a pressure gauge 8 and a pressure loss alarm 7 are arranged in the explosion-proof door hopper 6, the pressure gauge 8 and the pressure loss alarm 7 are electrically connected with the controller, the pressure gauge 8 can detect the pressure value in the explosion-proof door hopper 6 in real time, when the explosion-proof door hopper 6 cannot achieve the ideal positive pressure ventilation effect due to the fault shutdown or incomplete shutdown of the clean air conditioner, the pressure gauge 8 transmits a signal to the controller, and the controller can control the pressure loss alarm to alarm so as to remind workers of handling abnormal conditions in time; the first ventilation valve 3 and the second ventilation valve 1 are electric closed valves, the first ventilation valve 3, the second ventilation valve 1 and the standby ventilator 2 are electrically connected with the controller, and when the pressure gauge 8 detects that positive-pressure ventilation is abnormal, the controller can control the first ventilation valve 3, the second ventilation valve 1 and the standby ventilator 2 to be automatically opened, so that the aim of replacing a clean air conditioner to complete the positive-pressure ventilation function can be fulfilled under the unattended condition; the main air supply pipe 9 is provided with a check valve 5 which can prevent the air in the explosion-proof door hopper 6 from flowing back to the main air supply pipe 9; the fire-proof valve 4 is arranged at the position, penetrating through the wall of the explosion-proof door pocket 6, of the main air supply pipe 9, the fire-proof valve 4 plays a role of fire shutoff, and the fire-proof valve 4 is automatically closed when the temperature exceeds a certain temperature, so that the main air supply pipe 9 is prevented from continuously conveying air to cause combustion supporting.
When the explosion-proof door hopper is normally used, the clean air conditioner sends air into the explosion-proof door hopper 6 through the main air supply pipe 9 and the air supply port 11, and then the positive pressure ventilation function of the explosion-proof door hopper 6 can be completed; when the clean air conditioner breaks down or needs to be stopped for maintenance, the first ventilation valve 3 and the standby ventilator 2 are opened, so that the air quantity is sent into the explosion-proof door hopper 6 through the standby air supply pipe 10, the main air supply pipe 9 and the air supply port 11, and the clean air conditioner is replaced to complete the positive pressure ventilation function, so that a certain positive pressure value is continuously maintained in the explosion-proof door hopper 6.
Explosion-proof door fill's malleation ventilation system, structural design is reasonable, uses the malleation in clean air conditioner assurance explosion-proof door fill under normal conditions, when clean air conditioner broke down or need the stopping overhaul, uses reserve ventilation blower 2 to replace clean air conditioner and accomplish malleation ventilation function, has ensured going on continuously of production safety, work, has improved work efficiency.
Claims (7)
1. The utility model provides a malleation ventilation system of explosion-proof door fill, includes main blast pipe (9), explosion-proof door fill (6) and clean air conditioner, and clean air conditioner is connected to the one end of main blast pipe (9), and the other end of main blast pipe (9) is connected with supply-air outlet (11) that are located explosion-proof door fill (6), its characterized in that: the main air supply pipe (9) is connected with a standby air supply pipe (10), the standby air supply pipe (10) is provided with a first ventilation valve (3), and the other end of the standby air supply pipe (10) is connected with a standby ventilator (2).
2. The positive plenum for blast gates of claim 1, wherein: the end part of the air inlet of the standby ventilator (2) is connected with a second ventilation valve (1).
3. The positive plenum for blast gates of claim 2, wherein: the second vent valve (1) is at least one meter away from the explosion-proof area.
4. The positive pressure ventilation system of an explosion-proof door hopper as claimed in claim 2 or 3, wherein: the explosion-proof door is characterized by further comprising a controller, a pressure gauge (8) and a pressure loss alarm (7) are arranged in the explosion-proof door hopper (6), and the pressure gauge (8) and the pressure loss alarm (7) are both electrically connected with the controller.
5. The positive plenum for blast gates of claim 4, wherein: first vent valve (3) and second vent valve (1) be electronic airtight valve, first vent valve (3), second vent valve (1) all are connected with the controller electricity with reserve ventilation blower (2).
6. The positive plenum for blast gates of claim 1, wherein: and a check valve (5) is arranged on the main air supply pipe (9).
7. The positive plenum for an explosion vent door as set forth in claim 1, wherein: and a fire-proof valve (4) is arranged at the position, penetrating through the wall of the explosion-proof door hopper (6), of the main air supply pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221030886.0U CN217423528U (en) | 2022-04-29 | 2022-04-29 | Positive pressure ventilation system of explosion-proof door hopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221030886.0U CN217423528U (en) | 2022-04-29 | 2022-04-29 | Positive pressure ventilation system of explosion-proof door hopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217423528U true CN217423528U (en) | 2022-09-13 |
Family
ID=83185423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221030886.0U Active CN217423528U (en) | 2022-04-29 | 2022-04-29 | Positive pressure ventilation system of explosion-proof door hopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217423528U (en) |
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2022
- 2022-04-29 CN CN202221030886.0U patent/CN217423528U/en active Active
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