CN215946870U - Buried facility ventilation system and buried facility - Google Patents

Abstract

The utility model relates to a buried facility ventilation system and a buried facility, which are used for ventilation of underground space, and the buried facility ventilation system comprises: the ventilation device, the monitoring and repeating device and the control device. The air quality parameters of the underground space are detected through the detection piece and the duplicate piece, and when the air quality parameters exceed a preset range, the first alarm piece and the second alarm piece start alarming simultaneously. Under the control of the first control piece and the second control piece of the control device, the first air supply piece, the second air supply piece and the air outlet assembly are controlled manually or automatically to operate. Because the air-out subassembly is kept away from first air supply spare setting for the manhole, be favorable to increasing the coverage area that the air flows in the underground space, improve the ventilation effect, and then be favorable to improving air quality, reduce the potential safety hazard, improve the oxygen content in the underground space. The buried sewage treatment system can also provide high-quality air for an air supply facility in sewage treatment, the aerobic reaction requirement in sewage biochemical treatment is ensured, and the sewage treatment effect is improved.

Description

Buried facility ventilation system and buried facility

Technical Field

The utility model relates to the technical field of underground space ventilation, in particular to a ventilation system of a buried facility and the buried facility.

Background

At present, sewage treatment facilities in districts, stations along factories and railways are mostly arranged underground. The existing mainstream biochemical sewage treatment process mostly adopts aerobic reaction, the treatment effect can be ensured only by supplying (wind) oxygen to sewage for a long time in sewage treatment, and the fully-buried underground sewage treatment facility is not beneficial to supplying wind to a sewage treatment system by an air blower. In order to facilitate ventilation, buried facilities are generally provided with ventilation windows or ventilation openings, but most of the ventilation openings of the buried facilities are one or more, even some of the buried facilities are mostly small pipeline ventilation openings in order to reduce the influence on the ground passage, and the air inlet volume is very small, so that the air quality in the space of the buried facilities is very poor.

Especially, in the existing buried sewage treatment system, the common process of 'aerobic reaction for treating BOD in sewage' in sewage treatment needs a large amount of oxygen to effectively treat sewage, and the buried sewage treatment facilities have poor ventilation and low oxygen content, so that the sewage treatment effect is influenced. And because of not ventilating for a long time, the equipment in the underground space is easy to corrode, and the toxic and harmful gas is easy to gather, which is not beneficial to the normal maintenance and management of the equipment.

SUMMERY OF THE UTILITY MODEL

Therefore, a ventilation system of a buried facility and the buried facility are needed, the ventilation effect of the buried facility can be effectively improved, the air quality and the oxygen content are improved, the sewage treatment effect is further improved, and meanwhile potential safety hazards in an underground space are reduced.

A buried facility ventilation system for ventilation of an underground space, comprising: the ventilation device comprises a first air supply part, a second air supply part and an air outlet assembly, wherein the first air supply part is used for being communicated with the underground space to supply air to the underground space, the air outlet assembly is used for communicating the underground space with the outside, the air outlet assembly is used for being far away from the first air supply part relative to a manhole of the underground space, the second air supply part is positioned in the underground space, and the second air supply part is used for supplying air for sewage treatment; the monitoring and displaying device comprises a detection piece, a first alarm piece, a second alarm piece and a displaying piece, wherein the first alarm piece, the second alarm piece and the displaying piece are electrically connected with the detection piece, the detection piece is used for detecting the numerical value of the air quality of the underground space and determining whether the numerical value of the air quality is in a preset range, and the displaying piece is used for displaying the numerical value of the air quality of the underground space; the control device comprises a first control element and a second control element, the first control element is electrically connected with the second control element, and the first air supply element is electrically connected with the first control element; the detection piece, the first alarm piece, the second alarm piece and the duplicate piece are electrically connected with the second control piece.

In the buried facility ventilation system, in the installation process, firstly, the control device is installed on the ground; then, the worker enters the underground space from the manhole, installs the detection piece in the underground space, and electrically connects the detection piece with the first alarm piece and the second control piece; then, the duplicate part, the second alarm part and the second control part are electrically connected; then, the first air supply member is communicated with the underground space, so that the first air supply member can supply air to the inside of the underground space; and finally, communicating the air outlet assembly with the underground space, so that the underground space is communicated with the outside. In the using process, the air quality parameters of the underground space are detected through the detecting piece and the repeating piece, and when the air quality parameters exceed the preset range, the first alarming piece and the second alarming piece start alarming simultaneously. Under the control of the first control piece and the second control piece of the control device, the first air supply piece, the second air supply piece and the air outlet assembly are controlled manually or automatically to operate. Because the air-out subassembly is kept away from first air supply spare setting for the manhole, be favorable to increasing the coverage area that the air flows in the underground space, improve the ventilation effect, and then be favorable to improving air quality, reduce the potential safety hazard, improve the oxygen content in the underground space. The buried sewage treatment system can also provide high-quality air for an air supply facility in sewage treatment, the aerobic reaction requirement in sewage biochemical treatment is ensured, and the sewage treatment effect is improved.

In one embodiment, the ventilation device further comprises a protection member, and the protection member is arranged on the first air supply member.

In one embodiment, the protection member is provided with a protection cavity and a window, the protection cavity is communicated with the outside through the window, and the first air supply member is positioned in the protection cavity.

In one embodiment, the window is a louver, and the protection cavity is communicated with the outside through the louver.

In one embodiment, the first air supply part is a fan, and an air outlet of the fan is communicated with the underground space to supply air to the underground space.

In one embodiment, the number of the first air supply parts is two or more, and the two or more first air supply parts are used for being communicated with an underground space at intervals.

In one embodiment, the air outlet assembly comprises an air outlet pipe and an air exhaust piece, the air outlet pipe is used for communicating an underground space with the outside, the air exhaust piece is used for being connected with one end, far away from the underground space, of the air outlet pipe, and the air exhaust piece is used for exhausting air to the underground space.

In one embodiment, the air exhaust member is an unpowered hood, and the unpowered hood is used for being connected with one end, far away from the underground space, of the air outlet pipe.

In one embodiment, the control device further comprises a control box, the control box is provided with a mounting cavity, and the control part is located in the mounting cavity. A buried facility comprises an underground space and the buried facility ventilation system.

In the installation process of the buried facility, firstly, the control device is installed on the ground; then, the worker enters the underground space from the manhole, installs the detection piece in the underground space, and electrically connects the detection piece with the first alarm piece and the second control piece; then, the duplicate part, the second alarm part and the second control part are electrically connected; then, the first air supply member is communicated with the underground space, so that the first air supply member can supply air to the inside of the underground space; and finally, communicating the air outlet assembly with the underground space, so that the underground space is communicated with the outside. In the using process, the air quality parameters of the underground space are detected through the detecting piece and the repeating piece, and when the air quality parameters exceed the preset range, the first alarming piece and the second alarming piece start alarming simultaneously. Under the control of the first control piece and the second control piece of the control device, the first air supply piece, the second air supply piece and the air outlet assembly are controlled manually or automatically to operate. Because the air-out subassembly is kept away from first air supply spare setting for the manhole, be favorable to increasing the coverage area that the air flows in the underground space, improve the ventilation effect, and then be favorable to improving air quality, reduce the potential safety hazard, improve the oxygen content in the underground space. The buried sewage treatment system can also provide high-quality air for an air supply facility in sewage treatment, the aerobic reaction requirement in sewage biochemical treatment is ensured, and the sewage treatment effect is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a buried facility ventilation system according to an embodiment;

fig. 2 is a schematic diagram of an internal structure of the control device according to an embodiment.

Description of reference numerals:

100. a buried facility ventilation system; 110. a ventilation device; 111. a first air supply member; 112. an air outlet assembly; 1121. an air outlet pipe; 1122. an air exhaust member; 113. a protective member; 1131. a protection cavity; 1132. a window; 114. a second air supply member; 120. monitoring a reporting device; 121. a detection member; 122. a first alarm member; 130. a control device; 131. a first control member; 1311. a duplicate; 1312. a second alarm member; 132. a second control member; 133. a control box; 200. an underground space; 210. a manhole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, such as wired or wireless, and may be interconnected within each other or may be in an interactive relationship, unless expressly specified otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In one embodiment, referring to fig. 1 and 2, a buried facility ventilation system 100 for ventilating an underground space 200 includes: a ventilator 110, a monitoring and reporting device 120 and a control device 130. The ventilation device 110 includes a first air supply member 111, a second air supply member 114 and an air outlet assembly 112, the first air supply member 111 is used for communicating with the underground space 200 to supply air to the underground space 200, the air outlet assembly 112 is used for communicating the underground space 200 with the outside, the air outlet assembly 112 is used for being far away from the first air supply member 111 relative to a manhole 210 of the underground space 200, the second air supply member 114 is located in the underground space 200, and the second air supply member 114 is used for supplying air for sewage treatment; the monitoring and repeating device 120 comprises a detection piece 121, a first alarm piece 122, a second alarm piece 1312 and a repeating piece 1311, wherein the first alarm piece 122, the second alarm piece 1312 and the repeating piece 1311 are all electrically connected with the detection piece 121, the detection piece 121 is used for detecting whether the air quality value of the underground space 200 is in a preset range, and the repeating piece 1311 is used for displaying the air quality value of the underground space 200; the control device 130 includes a second control element 132 and a first control element 131, the second control element 132 is electrically connected to the first control element 131, and the first air blowing element 111 and the air outlet element 112 are both electrically connected to the second control element 132; the detecting member 121, the first warning member 122, the second warning member 1312 and the repeating member 1311 are electrically connected to the first control member 131.

In the buried facility ventilation system 100, in the installation process, first, the control device 130 is installed on the ground; then, the worker enters the underground space 200 from the manhole 210, installs the detecting member 121 in the underground space 200, and electrically connects the detecting member 121 with the first alarm member 122 and the first control member 131; then, the duplicate 1311, the second alarm 1312 and the first control element 131 are electrically connected; then, the first air blowing member 111 is communicated with the underground space 200, so that the first air blowing member 111 can blow air to the inside of the underground space 200; finally, the air outlet assembly 112 is communicated with the underground space 200, so that the underground space 200 is communicated with the outside. In use, the air quality parameters of the underground space 200 are detected by the detecting element 121 and the repeating element 1311, and when the air quality parameters exceed a preset range, the first alarm element 122 and the second alarm element 1312 start an alarm at the same time. Under the control of the second control element 132 and the first control element 131 of the control device 130, the operations of the first air blowing element 111, the second air blowing element 114 and the air outlet assembly 112 are manually or automatically controlled. Because the air outlet assembly 112 is far away from the first air supply piece 111 relative to the manhole 210, the coverage area of air flowing in the underground space 200 is increased, the ventilation effect is improved, the air quality is improved, the potential safety hazard is reduced, and the oxygen content in the underground space 200 is improved. The buried sewage treatment system can also provide high-quality air for an air supply facility in sewage treatment, the aerobic reaction requirement in sewage biochemical treatment is ensured, and the sewage treatment effect is improved.

It should be noted that the detecting element 121 and the first warning element 122 may be disposed in a manner that two independent components are electrically connected, or the detecting element 121 and the first warning element 122 are integrated into the monitoring and reporting device 120. In addition, the first control element 131 is electrically connected with the detection element 121, the detection data repetition element 1311 and the second alarm element 1312 are arranged on the first control element 131, and the detection data repetition element 1311 can directly repeat the detection value of the detection element 121 in the underground space 200, so that people can conveniently view related detection data without entering the underground space 200, and the safety of managers in the underground space 200 is guaranteed. Wherein the second alarm 1312 may be disposed in the ground or the control device 130 installed at a safe location for ventilation and operation.

Specifically, referring to fig. 1, the detecting element 121 and the first alarm element 122 are disposed in an integrated manner, that is, the monitoring element is a gas detection probe alarm device. So, can automated inspection poisonous and harmful gas, combustible gas, air quality multi-parameter such as air oxygen content, then trigger first alarm 122 and second alarm 1312 and report to the police when the value surpasss the default, first control 131 output control signal gives second control 132, by first air supply 111 of second control 132 control, and then carry out the operation of airing exhaust, be favorable to improving buried facility ventilation system 100's degree of automation and work efficiency, and then improve buried facility ventilation system 100's operational reliability and use quality. In one embodiment, referring to fig. 1, the ventilation device 110 further includes a protection member 113, and the protection member 113 covers the first blowing member 111. Therefore, on the one hand, the first air supply part 111 is protected, the service life of the first air supply part 111 is prolonged, and the working reliability of the first air supply part 111 is ensured. On the other hand, the protection member 113 is advantageous for preventing birds or insects from entering the underground space 200 of the buried facility through the air inlet of the underground space 200, and thus, the environmental sanitation in the underground space 200 is ensured.

Further, referring to fig. 1, the protection member 113 is provided with a protection cavity 1131 and a window 1132, the protection cavity 1131 is communicated with the outside through the window 1132, and the first blowing member 111 is located in the protection cavity 1131. So, be favorable to improving the dismouting convenience of first air supply piece 111, improve the maintenance efficiency of first air supply piece 111, simultaneously, being provided with of window 1132 does benefit to and communicates protection cavity 1131 and external world, and then guarantees the operational reliability of first air supply piece 111.

Alternatively, the window 1132 may be a protective mesh, louver, grille, or other protective device.

Specifically, referring to fig. 1, the window 1132 is a louver, and the protection cavity 1131 is communicated with the outside through the louver. So, be favorable to guaranteeing protection cavity 1131 and external intercommunication, improve the operational reliability of first air supply piece 111, simultaneously, the shutter can avoid piling up jam window 1132 of leaf, disposal bag etc. to be favorable to improving the use quality of protection piece 113. The embodiment provides only one specific implementation form of the window 1132, but is not limited thereto.

In one embodiment, referring to fig. 1, the first air blowing member 111 is a fan, and an air outlet of the fan is used for communicating with the underground space 200 to blow air to the underground space 200. Specifically, the first blowing member 111 is an axial flow fan. Therefore, the ventilation volume is large, the power consumption is low, the working reliability of the first air supply part 111 is improved, the air circulation in the underground space 200 is improved, the energy consumption is reduced, and the operation cost is reduced.

In one embodiment, referring to fig. 1, the number of the first blowing members 111 is two or more, and the two or more first blowing members 111 are used for being communicated with the underground space 200 at intervals. Therefore, the flow rate of air in the underground space 200 can be further improved, the oxygen content and the air quality in the underground space 200 can be further improved, and the treatment efficiency of the sewage treatment equipment can be improved.

In one embodiment of a buried sewage treatment system, referring to fig. 1, ventilation assembly 110 further includes a second air delivery member 114, second air delivery member 114 being adapted to be located in an underground space 200, second air delivery member 114 being adapted to deliver air to the sewage treatment system in underground space 200. Specifically, referring to fig. 1, the second blowing element 114 is a blower. When the control device 130 is set to be in the "linkage" control, the ventilation device 110 can operate in the "linkage" mode according to the operation requirement of the second air supply member 114 for supplying air in the sewage treatment "aerobic reaction" process, so that the frequent starting of the ventilation device 110 caused by the fact that the ventilation device 110 is completely determined by the "operation or not" determined by the air quality value in the underground space 200 detected by the monitoring and displaying device 120 is avoided, and the possibility that the ventilation device 110 does not operate and is idle for a long time even when the air quality in the underground space 200 rarely exceeds the preset range is avoided.

In one embodiment, referring to fig. 1, the air outlet assembly 112 includes an air outlet pipe 1121 and an air exhausting member 1122, the air outlet pipe 1121 is used for communicating the underground space 200 with the outside, the air exhausting member 1122 is used for connecting with one end of the air outlet pipe 1121 far away from the underground space 200, and the air exhausting member 1122 is used for exhausting air to the underground space 200. Thus, according to the chimney effect principle, the air outlet tube 1121 can provide a vertical slope of space rise for air flow, which causes a phenomenon of accelerating air convection, and is beneficial to improving the air circulation of the underground space 200, thereby improving the working efficiency of the buried facility ventilation system 100. Meanwhile, the air exhaust member 1122 can actively exhaust air to the air outlet pipe 1121, which is beneficial to further improving the air outlet effect of the air outlet assembly 112.

Alternatively, exhaust 1122 may be a suction fan, unpowered hood, or other exhaust device.

Specifically, referring to fig. 1, the air exhausting member 1122 is an unpowered hood, and the unpowered hood is used for connecting with an end of the air outlet pipe 1121 far away from the underground space 200. Thus, the unpowered hood is beneficial to ensuring the air exhaust effect, does not need energy consumption, has low cost, is beneficial to ensuring the working reliability of the air exhaust member 1122, and reduces the overall energy consumption of the buried facility ventilation system 100. On the other hand, by adopting the unpowered hood, it can be determined whether the distribution of the air in the underground space 200 is sufficient according to whether the unpowered hood rotates or not, and simultaneously, the air pressure in the underground space 200 is relatively balanced, and when the air filling amount in the underground space 200 is large and the air pressure is large, the rotating speed is high, and conversely, when the air filling amount in the underground space 200 is small, the air pressure at the air outlet tube 1121 is small, and the rotating speed is slow or even does not rotate. The present embodiment provides only one specific embodiment of the air exhausting device 1122, but is not limited thereto.

In one embodiment, referring to fig. 1, the control device 130 further includes a control box 133, the control box 133 is provided with an installation cavity, and the second control element 132 and the first control element 131 are both located in the installation cavity. Thus, the control box 133 is beneficial to protecting the first control member 131, so that the overall quality and the service life of the control device 130 are improved, and the overall quality of the buried facility ventilation system 100 is improved.

Specifically, the second control element 132 is electrically connected to the first blowing element 111, and the second control element 132 is electrically connected to the first control element 131. Therefore, on the ground or other safe positions convenient for ventilation and operation, the detection data of the air quality in the underground space 200 can be obtained at any time through the detection data duplicate 1311, when the monitoring value exceeds the preset range, the first alarm part 122 and the second alarm part 1312 can alarm at the same time, the first control part 131 outputs a signal to the second control part 132 so as to control the ventilation device 110 to operate, the automation degree of the ventilation system 100 of the buried facility is improved, the working personnel do not need to enter the underground space 200, and the operation safety of the working personnel is ensured.

Alternatively, the second control member 132 may be a PLC, a PC, an FPGA, a single chip microcomputer, or other control device.

Specifically, referring to fig. 1, the second control element 132 is a PLC. Thus, the working reliability of the buried facility ventilation system 100 is ensured, and meanwhile, the maintenance and the operation are convenient, and the use convenience of the control member 132 is improved. The embodiment provides only one specific implementation of the second control element 132, but not limited thereto.

In one embodiment, referring to fig. 1, a buried facility includes an underground space 200 and the above-described buried facility ventilation system 100.

In the installation process of the buried facility, firstly, the control device 130 is installed on the ground; then, the worker enters the underground space 200 from the manhole 210, installs the detecting member 121 in the underground space 200, and electrically connects the detecting member 121 with the first alarm member 122 and the first control member 131; then, the duplicate 1311, the second alarm 1312 and the first control element 131 are electrically connected; then, the first air blowing member 111 is communicated with the underground space 200, so that the first air blowing member 111 can blow air to the inside of the underground space 200; finally, the air outlet assembly 112 is communicated with the underground space 200, so that the underground space 200 is communicated with the outside. In use, the air quality parameters of the underground space 200 are detected by the detecting element 121 and the repeating element 1311, and when the air quality parameters exceed a preset range, the first alarm element 122 and the second alarm element 1312 start an alarm at the same time. Under the control of the second control element 132 and the first control element 131 of the control device 130, the operations of the first air blowing element 111, the second air blowing element 114 and the air outlet assembly 112 are manually or automatically controlled. Because the air outlet assembly 112 is far away from the first air supply piece 111 relative to the manhole 210, the coverage area of air flowing in the underground space 200 is increased, the ventilation effect is improved, the air quality is improved, the potential safety hazard is reduced, and the oxygen content in the underground space 200 is improved. The buried sewage treatment system can also provide high-quality air for an air supply facility in sewage treatment, the aerobic reaction requirement in sewage biochemical treatment is ensured, and the sewage treatment effect is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A buried facility ventilation system for ventilation of an underground space, the buried facility ventilation system comprising:

the ventilation device comprises a first air supply part, a second air supply part and an air outlet assembly, wherein the first air supply part is used for being communicated with the underground space to supply air to the underground space, the air outlet assembly is used for communicating the underground space with the outside, the air outlet assembly is used for being far away from the first air supply part relative to a manhole of the underground space, the second air supply part is used for being positioned in the underground space, and the second air supply part is used for supplying air for sewage treatment;

the monitoring and displaying device comprises a detection piece, a first alarm piece, a second alarm piece and a displaying piece, wherein the first alarm piece, the second alarm piece and the displaying piece are electrically connected with the detection piece, the detection piece is used for detecting the numerical value of the air quality of the underground space and determining whether the numerical value of the air quality is in a preset range, and the displaying piece is used for displaying the numerical value of the air quality of the underground space;

the control device comprises a first control element and a second control element, the first control element is electrically connected with the second control element, and the first air supply element is electrically connected with the first control element; the detection piece, the first alarm piece, the second alarm piece and the duplicate piece are electrically connected with the second control piece.

2. The buried facility ventilation system of claim 1, wherein the ventilation apparatus further comprises a protective member provided on the first blowing member.

3. The buried facility ventilation system of claim 2, wherein the protection member is provided with a protection cavity and a window, the protection cavity is communicated with the outside through the window, and the first blowing member is located in the protection cavity.

4. The buried facility ventilation system of claim 3, wherein the window is a louver, and the protection cavity communicates with the outside through the louver.

5. The buried facility ventilation system of claim 3, wherein the first air supply member is a fan, and an air outlet of the fan is used for being communicated with the underground space to supply air to the underground space.

6. The buried facility ventilation system of claim 3, wherein the number of the first blowing members is two or more, and the two or more first blowing members are used for being communicated with an underground space at intervals.

7. The buried facility ventilation system of claim 1, wherein the air outlet assembly comprises an air outlet pipe and an air exhaust member, the air outlet pipe is used for communicating an underground space with the outside, the air exhaust member is used for being connected with one end, far away from the underground space, of the air outlet pipe, and the air exhaust member is used for exhausting air to the underground space.

8. The buried facility ventilation system of claim 7, wherein the air exhaust member is an unpowered hood adapted to be connected to an end of the air outlet pipe remote from the underground space.

9. The buried facility ventilation system of any one of claims 1 to 8, wherein the control means further comprises a control box, the control box being provided with a mounting cavity, the first control member and the second control member being located within the control box.

10. A buried installation comprising an underground space and a buried installation ventilation system as claimed in any one of claims 1 to 9.

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