CN218915226U - Civil air defense basement ventilation engineering - Google Patents
Civil air defense basement ventilation engineering Download PDFInfo
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- CN218915226U CN218915226U CN202222775844.6U CN202222775844U CN218915226U CN 218915226 U CN218915226 U CN 218915226U CN 202222775844 U CN202222775844 U CN 202222775844U CN 218915226 U CN218915226 U CN 218915226U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The utility model discloses a ventilation project of a civil air defense basement, which comprises a first diffusion chamber, a toxin filtering chamber, a fan room, a cleaning area and a second diffusion chamber, wherein a first door body is arranged between the first diffusion chamber and the outside of the chamber, a dust filter communicated with the first diffusion chamber is arranged in the toxin filtering chamber, a first sampling tube is communicated between the dust filter and the first diffusion chamber, one end of the dust filter, which is far away from the first sampling tube, is respectively communicated with a first valve body and a second valve body, and one end of the first valve body, which is far away from the dust filter, is communicated with a plurality of filtering absorbers. In the utility model, three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation are provided, so that the air entering a clean area is always nontoxic; when civil air defense engineering is not polluted by toxic and harmful substances, clean ventilation is adopted; when civil air defense engineering is in a toxic and harmful environment, adopting toxin filtering ventilation; when civil air defense engineering needs to be completely isolated from outside air, isolated ventilation is adopted.
Description
Technical Field
The utility model relates to the technical field of underground civil air defense, in particular to a civil air defense basement ventilation project.
Background
In underground civil air defense engineering, fresh air is often required to be conveyed into the underground civil air defense engineering in order to dilute and remove harmful gases in the engineering and meet the requirement of uninterrupted breathing of personnel; however, when the underground civil air defense works are in environments with serious atmospheric pollution or radioactive pollution, toxic air is likely to be discharged into the underground civil air defense works together with fresh air, so that the life of people in the underground civil air defense works is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a civil air defense basement ventilation project capable of preventing invasion of contaminated air.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
provided is a civil air defense basement ventilation project, which includes:
a first door body is arranged between the first diffusion chamber and the outside of the chamber;
the device comprises a toxin filtering chamber, a first diffusion chamber, a first sampling tube, a first valve body, a second valve body, a plurality of filtering absorbers and a second valve body, wherein the toxin filtering chamber is internally provided with a dust filter communicated with the first diffusion chamber;
the fan room is internally provided with a first fan, a second fan, a third valve body and a fourth valve body, the input end of the first fan is communicated with the second valve body, the input end of the second fan is sequentially communicated with a fifth valve body and a plurality of filtering absorbers, the first fan and the second valve body are communicated with one end of the third valve body, and the second fan and the fifth valve body are communicated with one end of the fourth valve body;
the cleaning area is internally provided with a sixth valve body, an exhaust fan and an overpressure exhaust valve, and one end of the sixth valve body is respectively communicated with the output end of the first fan and the output end of the second fan;
the second diffusion chamber is provided with a second door body between the second diffusion chamber and the outside, the second diffusion chamber is communicated with an exhaust fan and an overpressure exhaust valve, and a seventh valve body is arranged between the second diffusion chamber and the exhaust fan.
The beneficial effects of adopting above-mentioned technical scheme are: three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation are provided to ensure that the air entering the clean area is nontoxic; when the civil air defense engineering is not polluted by toxic and harmful substances, clean ventilation is adopted, so that fresh air is discharged into a cleaning area through a first diffusion chamber, a dust filter and a first fan in sequence, and harmful gases in the cleaning area are discharged through an exhaust fan and a second diffusion chamber in sequence; when the civil air defense engineering is in a toxic and harmful environment, toxic filtering ventilation is adopted, so that polluted air is sequentially discharged to a filtering absorber through a first diffusion chamber and a dust filter, nontoxic gas treated by the filtering absorber is discharged into a cleaning area through a second fan, and harmful gas in the cleaning area is sequentially discharged through an overpressure exhaust valve and the second diffusion chamber; when people's air defense engineering needs to be completely isolated with outside air, the isolated ventilation is adopted, and the first fan and the second fan suck air from the third valve body and the fourth valve body respectively, and the air is discharged into a cleaning area, so that air inside circulates.
Further, the ventilation engineering of the civil air defense basement further comprises an antichemical duty room, a third door body is arranged between the antichemical duty room and the cleaning area, and personnel in the cleaning area conveniently enter the antichemical duty room through the third door body; an overpressure pressure measuring pipe is arranged between the chemical defense duty room and the first diffusion room and is used for air pressure difference between the inside and outside of the ventilation engineering of the civil air defense basement; wherein, the one end that superpressure pressure measurement pipe is close to antichemical on duty room is provided with inclined minute pressure gauge.
Further, the ventilation engineering of the civil air defense basement further comprises a closed channel, a fourth door body, a fifth door body and a sixth door body are respectively arranged between the closed channel and the toxin filtering chamber, between the closed channel and the cleaning area and between the closed channel and the outdoor, so that personnel can conveniently enter the toxin filtering chamber, the cleaning area and the outdoor through the fourth door body, the fifth door body and the sixth door body respectively.
Further, the ventilation engineering of the civil air defense basement further comprises an anti-poison channel, a seventh door body is arranged between the anti-poison channel and the cleaning area, and an eighth door body communicated with the outside is arranged on the anti-poison channel, so that personnel can conveniently enter the cleaning area and the outside through the seventh door body and the eighth door body respectively; an eighth valve body is arranged in the gas protection channel, one end of the eighth valve body is respectively communicated with the overpressure exhaust valve and the exhaust fan, and the other end of the eighth valve body is communicated with the second diffusion chamber, so that outdoor toxic gas is prevented from entering the gas protection channel from the second diffusion chamber.
Further, first differential pressure measuring pipes are arranged at the two ends of the dust filter and used for measuring the air pressure difference at the two ends of the dust filter.
Further, the output ends of the plurality of filtering absorbers are provided with second sampling tubes for sampling the tail gas processed by the filtering absorbers so as to determine whether the tail gas processed by the filtering absorbers is toxic or not.
Further, the output ends of the first fan and the second fan are respectively provided with a flow regulating valve so as to regulate the air flow discharged from the first fan and the second fan.
Further, two ends of the filtering absorber are provided with a second differential pressure measuring tube for measuring the air pressure difference at two ends of the filtering absorber.
Further, a decontamination tube is provided between the first valve body and the filter absorber to disinfect air between the first valve body and the filter absorber.
Further, an air volume measuring pipe is arranged between the second fan and the fifth valve body and used for measuring the air flow discharged by the second fan.
Drawings
FIG. 1 is a schematic diagram of a construction of a people prevention basement ventilation project;
wherein 1, a first door body, 2, a first diffusion chamber, 3, an overpressure pressure measuring pipe, 4, a sixth door body, 5, a first sampling pipe, 6, a fourth door body, 7, a first differential pressure measuring pipe, 8, a closed channel, 9, a fifth door body, 10, a second valve body, 11, a ninth valve body, 12, a first fire door, 13, a fan room, 14, a first fan, 15, a flow regulating valve, 16, a cleaning area, 17, a third valve body, 18, an air volume measuring pipe, 19, a second fan, 20, a sixth valve body, 21, a fourth valve body, 22, a fifth valve body, 23, a chemical-resistant duty room, 24, a third door body, 25, a seventh door body, 26, an overpressure exhaust valve, 27, an exhaust fan, 28, a seventh valve body, 29, an eighth door body, 30, a toxicity-preventing channel, 31, a second door body, 32, a second diffusion chamber, 33, an eighth valve body, 34, a second sampling tube, 35, a second differential pressure measuring tube, 36, a filter absorber, 37, a first valve body, 38, a decontamination tube, 39 and a dust filter.
Detailed Description
The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.
As shown in fig. 1, the present solution provides a ventilation engineering for a civil air defense basement, which includes:
a first diffusion chamber 2, between which a first door 1 is provided;
the toxin filtering chamber is internally provided with a dust filter 39 communicated with the first diffusion chamber 2, a first sampling tube 5 is communicated between the dust filter 39 and the first diffusion chamber 2, one end of the dust filter 39, which is far away from the first sampling tube 5, is respectively communicated with a first valve body 37 and a second valve body 10, and one end of the first valve body 37, which is far away from the dust filter 39, is communicated with a plurality of filtering absorbers 36;
the fan room 13 is internally provided with a first fan 14, a second fan 19, a third valve body 17 and a fourth valve body 21, wherein the input end of the first fan 14 is communicated with the second valve body 10, the input end of the second fan 19 is sequentially communicated with a fifth valve body 22 and a plurality of filtering absorbers 36, the first fan 14 and the second valve body 10 are communicated with one end of the third valve body 17, and the second fan 19 and the fifth valve body 22 are communicated with one end of the fourth valve body 21;
the cleaning area 16 is provided with a sixth valve body 20, an exhaust fan 27 and an overpressure exhaust valve 26, wherein one end of the sixth valve body 20 is respectively communicated with the output end of the first fan 14 and the output end of the second fan 19;
a second diffusion chamber 32, between which a second door 31 is arranged and which is communicated with the exhaust fan 27 and the overpressure exhaust valve 26, and a seventh valve body 28 is arranged between the second diffusion chamber and the exhaust fan 27;
wherein, the first door body 1 and the second door body 31 are cantilever valves, the third valve body 17 and the fourth valve body 21 are gate valves, the sixth valve body 20 is a fire-proof valve, and the dust filter 39 is a tubular oil screen dust filter; the first sampling tube 5 is used for sampling the air before entering the dust filter 39 to determine whether the air entering the dust filter 39 is toxic; in addition, a ninth valve body 11 is further arranged between the first fan 14 and the second valve body 10, and a fire door class A12 is arranged between the fan room 13 and the cleaning area 16.
The scheme provides three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation; when the civil air defense engineering is not polluted by toxic and harmful substances, clean ventilation is adopted, so that fresh air is sequentially discharged into the cleaning zone 16 through the first diffusion chamber 2, the dust filter 39 and the first fan 14, and harmful gases in the cleaning zone 16 are sequentially discharged through the exhaust fan 27 and the second diffusion chamber 32; when the civil air defense engineering is in a toxic and harmful environment, toxic filtering ventilation is adopted, polluted air is sequentially discharged to the filtering absorber 36 through the first diffusion chamber 2 and the dust filter 39, nontoxic gas treated by the filtering absorber 36 is discharged into the cleaning zone 16 through the second fan 19, and harmful gas in the cleaning zone 16 is sequentially discharged through the overpressure exhaust valve 26 and the second diffusion chamber 32; when the civil air defense construction needs to be completely isolated from the outside air, the first fan 14 and the second fan 19 suck air from the third valve body 17 and the fourth valve body 21, respectively, and exhaust the air into the cleaning area 16, thereby circulating the air inside.
When the scheme is implemented, the ventilation engineering of the civil air defense basement preferably further comprises a fireproof duty room 23, a third door body 24 is arranged between the fireproof duty room 23 and the cleaning area 16, and people in the cleaning area 16 conveniently enter the fireproof duty room 23 through the third door body 24; an overpressure pressure measuring pipe 3 is arranged between the fireproof duty room 23 and the first diffusion room 2 and is used for air pressure difference between the inside and outside of the ventilation engineering of the civil air-defense basement; the third door 24 is a closed door.
In one embodiment of the utility model, the ventilation project of the civil air defense basement further comprises a closed channel 8, wherein a fourth door body 6, a fifth door body 9 and a sixth door body 4 are respectively arranged between the closed channel 8 and the toxin filtering chamber, between the closed channel 8 and the cleaning area 16 and between the closed channel 8 and the outside of the room, so that personnel can conveniently enter the toxin filtering chamber, the cleaning area 16 and the outside of the room through the fourth door body 6, the fifth door body 9 and the sixth door body 4; the fourth door body 6 and the fifth door body 9 are both airtight doors, and the sixth door body 4 is a protective airtight door.
In the design, the ventilation engineering of the preferable civil air defense basement further comprises an anti-poison channel 30, wherein a seventh door body 25 and an eighth door body 29 are respectively arranged between the anti-poison channel 30 and the cleaning area 16 and between the anti-poison channel 30 and the outdoor, so that personnel can conveniently enter the cleaning area 16 and the outdoor through the seventh door body 25 and the eighth door body 29 respectively; an eighth valve body 33 is arranged in the gas defense channel 30, one end of the eighth valve body 33 is respectively communicated with the overpressure exhaust valve 26 and the exhaust fan 27, and the other end of the eighth valve body 33 is communicated with the second diffusion chamber 32, so that outdoor toxic gas is prevented from entering the gas defense channel 30 from the second diffusion chamber 32; the seventh door 25 and the eighth door 29 are a closed door and a protective closed door, respectively.
In practice, the first differential pressure measuring tube 7 is preferably arranged at both ends of the dust filter 39 for measuring the air pressure difference at both ends of the dust filter 39.
In one embodiment of the present utility model, the output ends of the plurality of filter absorbers 36 are provided with a second sampling tube 34 for sampling the tail gas processed by the filter absorbers 36 to determine whether the tail gas processed by the filter absorbers 36 is toxic.
In design, the output ends of the first fan 14 and the second fan 19 are preferably provided with flow regulating valves 15 to regulate the air flow discharged from the first fan 14 and the second fan 19; the flow regulating valve 15 is a manual split multi-blade regulating valve.
In practice, the filter absorber 36 is preferably provided with a second differential pressure measuring tube 35 at both ends for measuring the air pressure difference across the filter absorber 36.
In one embodiment of the utility model, a decontamination tube 38 is provided between the first valve body 37 and the filter absorber 36, so that air is disinfected between the first valve body 37 and the filter absorber 36.
In design, the air volume measuring tube 18 is preferably arranged between the second fan 19 and the fifth valve body 22 and is used for measuring the air flow discharged by the second fan 19.
The components in the scheme are made of ultra-high performance stainless steel materials so as to meet the requirements of the ventilation system on antiknock performance and ventilation performance; meanwhile, the thickness of the part made of the ultra-high performance stainless steel material is low; compared with the parts made of carbon steel, the parts made of the ultra-high performance stainless steel material have the advantages of no paint spraying, corrosion resistance, no maintenance, convenient manufacture and installation, low cost and the like.
In summary, the three ventilation modes of clean ventilation, toxin filtering ventilation and isolated ventilation can be formed by the scheme, so that ventilation inside and outside the ventilation engineering of the civil air defense basement can be ensured, and outside contaminated air can be prevented from entering the ventilation engineering of the civil air defense basement, so that collective protection of personnel in the ventilation engineering of the civil air defense basement can be ensured.
Claims (10)
1. A civil air defense basement ventilation project, comprising:
a first diffusion chamber (2) provided with a first door body (1) between the first diffusion chamber and the outside;
the device comprises a toxin filtering chamber, a first diffusion chamber (2) and a second diffusion chamber (39), wherein a dust filter (39) communicated with the first diffusion chamber (2) is arranged in the toxin filtering chamber, a first sampling tube (5) is communicated between the dust filter (39) and the first diffusion chamber (2), one end, far away from the first sampling tube, of the dust filter (39) is respectively communicated with a first valve body (37) and a second valve body (10), and one end, far away from the dust filter (39), of the first valve body (37) is communicated with a plurality of filter absorbers (36);
the fan room (13) is internally provided with a first fan (14), a second fan (19), a third valve body (17) and a fourth valve body (21), wherein the input end of the first fan (14) is communicated with the second valve body (10), the input end of the second fan (19) is sequentially communicated with a fifth valve body (22) and a plurality of filtering absorbers (36), the first fan (14) and the second valve body (10) are communicated with one end of the third valve body (17), and the second fan (19) and the fifth valve body (22) are communicated with one end of the fourth valve body (21);
the cleaning area (16) is internally provided with a sixth valve body (20), an exhaust fan (27) and an overpressure exhaust valve (26), wherein one end of the sixth valve body (20) is respectively communicated with the output end of the first fan (14) and the output end of the second fan (19);
and a second diffusion chamber (32) is arranged between the second diffusion chamber and the outside of the chamber, a second door body (31) is communicated with the exhaust fan (27) and the overpressure exhaust valve (26), and a seventh valve body (28) is arranged between the second diffusion chamber and the exhaust fan (27).
2. The civil air defense basement ventilation engineering according to claim 1, further comprising an anti-chemical attendant room (23), wherein a third door body (24) is arranged between the anti-chemical attendant room (23) and the cleaning area (16), and an overpressure pressure measuring pipe (3) is arranged between the anti-chemical attendant room (23) and the first diffusion room (2).
3. The ventilation engineering of the civil air defense basement according to claim 1, further comprising a closed channel (8), wherein a fourth door body (6), a fifth door body (9) and a sixth door body (4) are respectively arranged between the closed channel (8) and the toxin filtering chamber, between the closed channel (8) and the cleaning area (16) and between the closed channel (8) and the outside of the room.
4. The civil air defense basement ventilation engineering according to claim 1, further comprising an air defense channel (30), wherein a seventh door body (25) is arranged between the air defense channel (30) and the cleaning area (16), an eighth door body (29) communicated with the outside is arranged on the air defense channel (30), an eighth valve body (33) is arranged in the air defense channel (30), one end of the eighth valve body (33) is respectively communicated with the overpressure exhaust valve (26) and the exhaust fan (27), and the other end of the eighth valve body (33) is communicated with the second diffusion chamber (32).
5. The civil air defense basement ventilation project according to claim 1, characterized in that the two ends of the dust filter (39) are provided with a first differential pressure measuring tube (7).
6. The ventilation project of a civil air defense basement according to claim 1, characterized in that the output ends of several of said filtering absorbers (36) are provided with second sampling tubes (34).
7. The civil air defense basement ventilation project according to claim 1, characterized in that the output ends of the first fan (14) and the second fan (19) are both provided with flow regulating valves (15).
8. The civil air defense basement ventilation project according to claim 1, characterized in that the two ends of the filtering absorber (36) are provided with a second differential pressure measuring tube (35).
9. The civil air defense basement ventilation project according to claim 1, characterized in that a decontamination tube (38) is arranged between the first valve body (37) and the filtering absorber (36).
10. The ventilation engineering of the civil air defense basement according to claim 1, characterized in that an air volume measuring tube (18) is arranged between the second fan (19) and the fifth valve body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775844.6U CN218915226U (en) | 2022-10-20 | 2022-10-20 | Civil air defense basement ventilation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775844.6U CN218915226U (en) | 2022-10-20 | 2022-10-20 | Civil air defense basement ventilation engineering |
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| Publication Number | Publication Date |
|---|---|
| CN218915226U true CN218915226U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222775844.6U Active CN218915226U (en) | 2022-10-20 | 2022-10-20 | Civil air defense basement ventilation engineering |
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| Country | Link |
|---|---|
| CN (1) | CN218915226U (en) |
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2022
- 2022-10-20 CN CN202222775844.6U patent/CN218915226U/en active Active
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