Underground civil air defense ventilation structure

Abstract

This utility model discloses an underground civil defense ventilation structure for ventilation of underground civil defense facilities. It includes: several sets of ventilation pipe assemblies installed between the underground wall and the outside wall for ventilation of the underground civil defense facilities; each ventilation pipe assembly consists of an inner air module, a connecting pipe, and an outer air module. One end of the connecting pipe is connected to the inner air module, and the other end is connected to the outer air module; one end of the inner air module is connected to the underground civil defense facility, and the other end is connected to the connecting pipe; one end of the outer air module is connected to the external space of the underground civil defense facility, and the other end is connected to the connecting pipe; an outer air duct is installed on the outer air module, and at least two outer air branch pipes are installed on the outer air duct. One end of each outer air branch pipe is connected to the outer air duct, and the other end is connected to the external space of the underground civil defense facility. This solves the problems of ventilation efficiency and airflow control in underground civil defense passage structures.

Description

Technical Field

[0001] This utility model relates to the field of ventilation equipment technology, specifically to an underground civil defense ventilation structure. Background Technology

[0002] Underground civil defense facilities serve as crucial locations for providing safety and protection for personnel and supplies during wartime or emergencies, and the air quality within them is paramount to the survival and health of those inside. A good ventilation system can effectively expel stale air and harmful gases while simultaneously introducing fresh air to maintain a suitable environment. However, existing ventilation structures in underground civil defense facilities suffer from numerous problems, such as poor ventilation efficiency, failing to quickly and effectively introduce fresh air from the outside and expel stale air; and insufficient air filtration and purification capabilities, making it difficult to remove dust, harmful particles, and toxic gases, thus failing to provide a safe and clean air environment for personnel. Therefore, developing a suitable ventilation structure for underground civil defense facilities has become an urgent problem for those skilled in the art. Utility Model Content

[0003] This application provides an underground civil defense ventilation structure for ventilation of underground civil defense facilities, comprising:

[0004] Several sets of ventilation duct assemblies are installed between the underground wall and the outside wall for ventilation of underground civil defense facilities;

[0005] The ventilation duct assembly consists of an inner air module, a connecting pipe, and an outer air module. One end of the connecting pipe is connected to the inner air module, and the other end is connected to the outer air module.

[0006] One end of the internal ventilation module is connected to the underground civil defense facility, and the other end is connected to the connecting pipe;

[0007] One end of the external ventilation module is connected to the external space of the underground civil defense facility, and the other end is connected to the connecting pipe;

[0008] An external ventilation duct is installed on the external ventilation module, and at least two external ventilation branch pipes are installed on the external ventilation duct. One end of the external ventilation branch pipe is connected to the external ventilation duct, and the other end is connected to the external space of the underground civil defense facility.

[0009] Optionally, electronic valves are provided at both ends of the external air branch pipe, and the electronic valves are used to control the opening and closing of both ends of the external air branch pipe.

[0010] Optionally, the internal air module includes an internal air duct, a water tank, a filter plate, and a filter screen. One end of the internal air duct is connected to the connecting pipe, and the other end is connected to the filter screen. The filter plate is installed inside the internal air duct, and the water tank is installed outside the internal air duct. The outlet of the water tank is connected to the internal air duct.

[0011] Optionally, an atomizing box is provided at the outlet of the water tank, and the outlet of the water tank is located between the filter plate and the filter screen.

[0012] Optionally, the filter layer is configured as activated carbon filter cotton.

[0013] Optionally, a fan may be installed at the end of the external ventilation duct that is close to the underground civil defense facility.

[0014] Optionally, several toxic gas detectors are provided on the annular side of the fan.

[0015] The beneficial effects of this application are as follows:

[0016] 1. The multiple external ventilation branch pipes provided in this application increase the number of air inlets. Combined with a fan, this can significantly improve ventilation efficiency, quickly introduce fresh air from the outside into the underground civil defense facility, and at the same time expel stale air from inside.

[0017] 2. The filters, activated carbon filter cotton (filter plate) and atomizing box and other components installed in the internal air module provided in this application can perform multi-level filtration, purification and humidification of air, effectively remove impurities, harmful gases and odors in the air, improve the cleanliness and comfort of the air, and provide a good air environment for people.

[0018] 3. The electronic valves and toxic gas detectors installed at both ends of the external ventilation branch pipe provided in this application enable intelligent control of the ventilation system. In the event of special circumstances such as the presence of hazardous gases in the outside environment, the external ventilation branch pipe can be shut off in a timely manner to prevent hazardous gases from entering, thereby improving the safety and protective capabilities of underground civil defense facilities. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the three-dimensional ventilation structure of the underground civil defense shelter provided in this application;

[0020] Figure 2 A schematic diagram showing the location of the filter screen in the underground civil defense ventilation structure provided in this application;

[0021] Figure 3 A schematic diagram of the internal ventilation module structure of the underground civil defense ventilation structure provided in this application;

[0022] Figure 4 A schematic diagram showing the location of the filter layer in the underground civil defense ventilation structure provided in this application;

[0023] Figure 5 A schematic diagram of the external ventilation module structure of the underground civil defense ventilation structure provided in this application;

[0024] In the diagram: 1. Ventilation duct assembly; 2. Inner air module; 3. Connecting pipe; 4. Outer air module; 5. Outer air duct; 6. Outer air branch pipe; 7. Inner air duct; 8. Water tank; 9. Filter plate; 10. Filter screen; 11. Atomizing box; 12. Fan; 13. Toxic gas detector. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This application provides an underground civil defense ventilation structure for ventilation of underground civil defense facilities, comprising:

[0027] Several sets of ventilation pipe assemblies 1 are installed between the underground wall and the outside wall for ventilation of underground civil defense facilities;

[0028] The ventilation duct assembly 1 consists of an inner air module 2, a connecting pipe 3, and an outer air module 4. One end of the connecting pipe 3 is connected to the inner air module 2, and the other end is connected to the outer air module 4.

[0029] One end of the internal ventilation module 2 is connected to the underground civil defense facility, and the other end is connected to the connecting pipe 3;

[0030] It should be noted that the ventilation duct assembly 1 consists of an inner air module 2, a connecting pipe 3, and an outer air module 4. The connecting pipe 3 acts as a bridge connecting the inner air module 2 and the outer air module 4, with one end connected to the inner air module 2 and the other end connected to the outer air module 4, allowing for smooth airflow among the three. One end of the inner air module 2 is connected to the underground civil defense facility, and the other end is connected to the connecting pipe 3, responsible for introducing treated air into the underground civil defense facility. One end of the outer air module 4 is connected to the external space of the underground civil defense facility, and the other end is connected to the connecting pipe 3, used to introduce outside air into the ventilation system.

[0031] The internal air module 2 includes an internal air duct 7, a water tank 8, a filter plate 9, and a filter screen 10. One end of the internal air duct 7 is connected to the connecting pipe 3, and the other end is connected to the filter screen 10. The filter plate 9 is installed inside the internal air duct 7, and the water tank 8 is installed outside the internal air duct 7. The outlet of the water tank 8 is connected to the internal air duct 7.

[0032] An atomizing box 11 is provided on the outlet of the water tank 8, and the outlet of the water tank 8 is located between the filter plate 10 and the filter screen 10.

[0033] The filter layer 9 is made of activated carbon filter cotton. To further improve the filtration effect, the filter layer 9 is made of activated carbon filter cotton. Activated carbon filter cotton has a rich pore structure and strong adsorption capacity, which can effectively adsorb odors, harmful gases and fine particles in the air, and further purify the air.

[0034] One end of the external ventilation module 4 is connected to the external space of the underground civil defense facility, and the other end is connected to the connecting pipe 3;

[0035] An external ventilation duct 5 is provided on the external ventilation module 2, and at least two external ventilation branch pipes 6 are provided on the external ventilation duct 5. One end of the external ventilation branch pipe 6 is connected to the external ventilation duct 5, and the other end is connected to the external space of the underground civil defense facility.

[0036] A fan 12 is also installed at one end of the external ventilation duct 5 near the underground civil defense facility, and several gas detectors 13 are installed on the annular side of the fan 12.

[0037] Electronic valves are installed at both ends of the external air branch pipe 6, and the electronic valves are used to control the opening and closing of both ends of the external air branch pipe 6.

[0038] It is worth noting that when the ventilation system is activated, fan 12 starts working. Under the action of fan 12, outside air enters outside duct 5 through outside air branch pipe 6. The electronic valves at both ends of outside air branch pipe 6 open according to actual ventilation needs, controlling the air intake. The air enters connecting pipe 3 along outside air duct 5, and then enters inner air module 2 from connecting pipe 3. The air entering inner air module 2 first passes through filter screen 10, which filters out larger particulate impurities in the air. Then the air continues to flow, passing through filter plate 9, which can be set as activated carbon filter cotton. The activated carbon filter cotton adsorbs odors, harmful gases and fine particles in the air, further purifying the air. At the same time, water in water tank 8 enters atomizing box 11 through water outlet. After being atomized in atomizing box 11, it enters inner air duct 7, making full contact with the air, purifying and humidifying the air. The purified and humidified air enters underground civil defense facilities through inner air duct 7, providing fresh and clean air for the interior. Throughout the ventilation process, the toxic gas detector 13 monitors the composition of the air inside the external air duct 5 in real time. Once toxic gas is detected, an alarm is immediately triggered, and the electronic valves at both ends of the external air branch duct 6 are closed to prevent toxic gas from entering the ventilation system and ensure the safety of personnel inside the underground civil defense facility.

[0039] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. An underground civil defense ventilation structure for ventilation of underground civil defense facilities, characterized in that, include: Several sets of ventilation pipe assemblies (1) are installed between the underground wall and the outside wall for ventilation of underground civil defense facilities; The ventilation duct assembly (1) consists of an inner air module (2), a connecting pipe (3) and an outer air module (4). One end of the connecting pipe (3) is connected to the inner air module (2), and the other end is connected to the outer air module (4). One end of the internal ventilation module (2) is connected to the underground civil defense facility, and the other end is connected to the connecting pipe (3); One end of the external ventilation module (4) is connected to the external space of the underground civil defense facility, and the other end is connected to the connecting pipe (3); An external air duct (5) is provided on the external air module (4), and at least two external air branch pipes (6) are provided on the external air duct (5). One end of the external air branch pipe (6) is connected to the external air duct (5), and the other end is connected to the external space of the underground civil defense facility.

2. The underground civil defense ventilation structure according to claim 1, characterized in that, Electronic valves are installed at both ends of the external air branch pipe (6), and the electronic valves are used to control the opening and closing of both ends of the external air branch pipe (6).

3. The underground civil defense ventilation structure according to claim 2, characterized in that, The internal air module (2) includes an internal air duct (7), a water tank (8), a filter plate (9) and a filter screen (10). One end of the internal air duct (7) is connected to the connecting pipe (3), and the other end is connected to the filter screen (10). The filter plate (9) is installed inside the internal air duct (7). The water tank (8) is installed outside the internal air duct (7), and the outlet of the water tank (8) is connected to the internal air duct (7).

4. The underground civil defense ventilation structure according to claim 3, characterized in that, The water tank (8) is provided with an atomizing box (11) at its outlet, and the outlet of the water tank (8) is located between the filter plate (9) and the filter screen (10).

5. The underground civil defense ventilation structure according to claim 4, characterized in that, The filter plate (9) is made of activated carbon filter cotton.

6. The underground civil defense ventilation structure according to claim 5, characterized in that, A fan (12) is also installed at the end of the external ventilation duct (5) near the underground civil defense facility.

7. The underground civil defense ventilation structure according to claim 6, characterized in that, Several gas detectors (13) are provided on the annular side of the fan (12).

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