Fire preventing and extinguishing structure for spontaneous combustion of goaf

Abstract

The utility model relates to the technical field of coal mine safety, and discloses a goaf spontaneous combustion fire preventing and extinguishing structure. The goaf spontaneous combustion fire preventing and extinguishing structure comprises a device structure assembly, the upper end of the device structure assembly is connected and provided with an air exhaust structure assembly, the upper end of the air exhaust structure assembly is connected and provided with an air return shaft, the rear portion of the upper end of the air return shaft is fixedly provided with an air exhaust opening, and the interior of the air exhaust opening is connected and provided with a device frame; the device frame is internally connected with an exhaust fan, the front end of the air return shaft is connected with a high-temperature pipeline, the goaf is effectively prevented from serving as a high-risk area of natural ignition of an underground coal seam, the goaf is the key point of coal mine prevention and control, and due to the fact that the occurrence process of a fire disaster is slow, no obvious flame exists, and the fire disaster is not easy to perceive; the technical problems that the precise position of a fire source cannot be found in time in the follow-up process, certain losses are generated in the follow-up process, and large-area spontaneous combustion is difficult to control and take measures for treatment when a fire disaster is found are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine safety, specifically to a goaf spontaneous combustion fire prevention and extinguishing structure. BACKGROUND

[0002] Coal spontaneous combustion will not only cause mine equipment damage, resource freezing and production replacement tension, resulting in huge economic losses, but also release a large amount of toxic and harmful gases, endangering the personal safety of miners. As a high-risk area of underground coal seam spontaneous combustion, goaf is the focus of coal mine prevention and control.

[0003] The existing reference announcement number: CN118309485A Chinese utility model patent, it discloses a kind of goaf coal spontaneous combustion automatic fire extinguishing device.The present application provides a kind of goaf fire area position can be accurately judged, and high temperature point formed by goaf residual coal oxidation is directly extinguished, and the goaf coal spontaneous combustion automatic fire extinguishing device of higher extinguishing efficiency.One kind of goaf coal spontaneous combustion automatic fire extinguishing device, including hanger rail, connecting piece and railcar, etc., hanger rail has two, and is symmetrically arranged front and back, connecting piece is connected between the left and right two parts of hanger rail, and railcar is slidably connected between hanger rail.The present application monitors the temperature of goaf by temperature sensor, and then moves the fire bottle to the ignition point by controlling the railcar, compared with the operation of taking fire extinguishing measures in a larger range according to experience, can accurately judge the goaf fire area position, and high temperature point formed by goaf residual coal oxidation is directly extinguished, and the effect of higher extinguishing efficiency is achieved.

[0004] Based on the above patent search, and combined with the existing equipment in the prior art, goaf is a high-risk area of underground coal seam spontaneous combustion, and is the focus of coal mine prevention and control. Due to the slow occurrence process of fire and the absence of obvious flame, it is not easy to detect, which leads to the inability to find the accurate position of the fire source in time, causing certain losses in the follow-up. When fire is discovered, it is difficult to control and take measures to deal with the problem of large-area spontaneous combustion. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a goaf spontaneous combustion fire prevention and extinguishing structure, which effectively prevents goaf from being a high-risk area of underground coal seam spontaneous combustion and is the focus of coal mine prevention and control. Due to the slow occurrence process of fire and the absence of obvious flame, it is not easy to detect, which leads to the inability to find the accurate position of the fire source in time, causing certain losses in the follow-up. When fire is discovered, it is difficult to control and take measures to deal with the problem of large-area spontaneous combustion.

[0007] Technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a goaf spontaneous combustion fire prevention and extinguishing structure, including device structure subassembly, the upper end of device structure subassembly is connected with and is installed high temperature area through the high temperature pipeline installation to the goaf structure, convenient for subsequent through the exhaust fan of air return well interior, the hot air of goaf structure interior is transported and is discharged exhaust structure subassembly, the inside installation of exhaust structure subassembly is through the automatic monitoring of smoke and high temperature anomaly in goaf structure interior through smoke detector and infrared detector, convenient for subsequent automatic alarm and start fire extinguishing device when discovering abnormality real -time monitoring component,

[0009] The upper end of the exhaust structure assembly is connected and installed with an air return well, and an air outlet is fixedly installed at the rear upper end of the air return well. A device frame is connected and installed in the interior of the air outlet. An exhaust fan is connected and installed in the interior of the device frame. A high-temperature pipeline is connected and installed at the front end of the air return well. The high-temperature pipeline is connected and installed in the interior of the goaf structure through a support at the lower end. The high-temperature pipeline is made of silicon carbide ceramic material, so as to conveniently transport and discharge the hot air in the interior of the goaf structure in the subsequent process.

[0010] The upper end of the real-time monitoring component is installed with a smoke detector. The upper rear end of the smoke detector is connected and installed with an infrared detector. The upper rear end of the infrared detector is connected and installed with an alarm. The lower end of the alarm is connected and installed with a controller. The front end of the controller is connected and installed with a central processing unit. The central processing unit is connected and installed at the front end of the controller. The data detected by the smoke detector and the infrared detector are processed through the central processing unit, so as to conveniently start the alarm in the subsequent process.

[0011] As a preferred technical scheme of the utility model, the upper end of the device structure subassembly is connected and installed with a goaf structure. The upper end of the goaf structure is fixedly installed with a fire extinguishing device. The interior of the fire extinguishing device is a fire prevention structure of a resistance agent. The resistance agent is sprayed in the interior of the goaf structure through a conveying pipeline to form a stable oxidation-resistant protective film, so as to prevent the process of spontaneous combustion of coal.

[0012] As a preferred technical scheme of the utility model, the upper end of the exhaust structure assembly is connected and installed with a support. The high-temperature pipeline is connected and installed in the interior of the goaf structure through the support at the lower end. The high-temperature pipeline is made of silicon carbide ceramic material, so as to conveniently transport and discharge the hot air in the interior of the goaf structure in the subsequent process.

[0013] As a preferred technical scheme of the utility model, the upper end of the real-time monitoring component is installed with a device shell. The device shell connects the internal structure. The structure is fixedly installed in the interior of the goaf structure through the device shell in the subsequent process.

[0014] The rear end of the goaf structure in the device structure assembly is connected and installed with the exhaust structure assembly.

[0015] The upper end of the fire extinguishing device is provided with a conveying pipeline.

[0016] The upper end of the high-temperature pipeline is connected and installed in the goaf structure, the upper end of the high-temperature pipeline is made of silicon carbide ceramic material, and the bracket is connected and installed at the upper end of the high-temperature pipeline.

[0017] The controller controls the alarm to start, and the device shell is connected and installed in the goaf structure.

[0018] Compared with the prior art, the goaf spontaneous combustion fire extinguishing structure has the following beneficial effects:

[0019] 1. The high-temperature pipeline is arranged in the high-temperature area of the goaf by the overall device, the high-temperature pipeline is connected and installed by the bracket at the lower end, the high-temperature pipeline is made of silicon carbide ceramic material, the silicon carbide ceramic material has excellent normal-temperature mechanical properties, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low friction coefficient, the high-temperature pipeline is connected to the air inlet and air return shaft of the goaf, a strong exhaust fan is arranged to lead the hot air in the high-temperature area out of the goaf, and the smoke detector and the infrared detector are combined to perform real-time monitoring, so that abnormal conditions can be found more timely and corresponding fire extinguishing measures can be taken, the safety of the coal mining process is further improved, the goaf as a high-risk area of spontaneous combustion of underground coal seams is effectively prevented, and the goaf is the key of coal mine prevention and control, the occurrence process of the fire is slow, there is no obvious flame, and the fire is not easy to detect, so that the precise position of the fire source cannot be found in time, and a certain loss is caused in the follow-up, when the fire is found, it is difficult to control and take measures to handle the large-area spontaneous combustion and fire. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a device structure assembly schematic view of the utility model structure;

[0022] Figure 3 It is an exhaust structure assembly schematic view of the utility model structure;

[0023] Figure 4 It is a real-time monitoring assembly schematic view of the utility model structure;

[0024] Wherein: 1, device structure assembly; 101, goaf structure; 102, fire extinguishing device; 2, exhaust structure assembly; 201, return air shaft; 202, exhaust port; 203, device frame; 204, exhaust fan; 205, high-temperature pipeline; 206, support; 3, real-time monitoring assembly; 301, device shell; 302, smoke detector; 303, infrared detector; 304, alarm; 305, controller; 306, central processing unit. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0026] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] Please refer to Figure 1 - Figure 4In this embodiment, a goaf spontaneous combustion fire extinguishing structure comprises: a device structure assembly 1, an exhaust structure assembly 2 is connected and installed at the upper end of the device structure assembly 1, a return air shaft 201 is connected and installed at the upper end of the exhaust structure assembly 2, and an exhaust port 202 is fixedly installed at the rear upper end of the return air shaft 201. A device frame 203 is connected and installed inside the exhaust port 202, an exhaust fan 204 is connected and installed inside the device frame 203, a high-temperature pipeline 205 is connected and installed at the front end of the return air shaft 201, a real-time monitoring assembly 3 is connected and installed inside the device structure assembly 1, a smoke detector 302 is installed at the upper end of the real-time monitoring assembly 3, an infrared detector 303 is connected and installed at the rear upper end of the smoke detector 302, an alarm 304 is connected and installed at the rear upper end of the infrared detector 303, a controller 305 is connected and installed at the lower end of the alarm 304, a central processing unit 306 is connected and installed at the front end of the controller 305, the exhaust structure assembly 2 is connected and installed at the rear end of a goaf structure 101 in the device structure assembly 1, and the real-time monitoring assembly 3 is connected and installed inside the goaf structure 101 in the device structure assembly 1.

[0029] Through the above structure; the inside of the goaf structure 101 in the device structure assembly 1 is installed with the fire extinguishing device 102, which is convenient for subsequent connection with the real-time monitoring assembly 3. The controller 305 in the real-time monitoring assembly 3 starts the fire extinguishing device 102. The exhaust structure assembly 2 installs the high-temperature pipeline 205 in the high-temperature area in the goaf structure 101, which is convenient for subsequent transportation and discharge of hot air in the goaf structure 101 by the exhaust fan 204 inside the return air shaft 201. The smoke detector 302 and the infrared detector 303 in the real-time monitoring assembly 3 automatically monitor the smoke and high-temperature abnormity in the goaf structure 101, which is convenient for automatic alarm and starting of the fire extinguishing device 102 when the abnormity is found.

[0030] Please refer to Figure 1 - Figure 4 The upper end of the device structure assembly 1 is connected and installed with the goaf structure 101, and the upper end of the goaf structure 101 is fixedly installed with the fire extinguishing device 102. The fire extinguishing device 102 is a fire extinguishing device for blocking agent. The upper end of the fire extinguishing device 102 is installed with a conveying pipeline.

[0031] Through the above structure: the upper end of the fire extinguishing device 102 is connected and installed by installing the goaf structure 101, which is convenient for subsequent fire extinguishing treatment of the inside of the goaf structure 101 by the fire extinguishing device 102. The inside of the fire extinguishing device 102 is a fire extinguishing structure for blocking agent. The inside of the goaf structure 101 is sprayed with blocking agent through the conveying pipeline to form a stable oxidation-resistant protective film, thereby preventing the process of coal spontaneous combustion.

[0032] Please refer to Figure 1 - Figure 4The upper end of the exhaust structure assembly 2 is connected with a support 206, the high-temperature pipeline 205 is connected and installed in the inside of the goaf structure 101, the upper end of the high-temperature pipeline 205 is made of silicon carbide ceramic material, and the support 206 is connected and installed at the upper end of the high-temperature pipeline 205.

[0033] Through the above structure: by fixing and connecting the high-temperature pipeline 205 at the upper end to the return air shaft 201, the hot air in the inside of the goaf structure 101 is conveniently transported and discharged, the exhaust port 202 is fixedly installed at the rear end of the return air shaft 201, the device frame 203 is conveniently fixedly installed in the inside, and the device frame 203 is conveniently used in combination with the exhaust fan 204, the hot air transported by the high-temperature pipeline 205 is introduced to the outside of the goaf structure 101 through the exhaust fan 204, the heat accumulation in the inside of the goaf structure 101 is reduced, the high-temperature pipeline 205 is connected and installed in the inside of the goaf structure 101 through the support 206 at the lower end, and the high-temperature pipeline 205 is made of silicon carbide ceramic material, so that the hot air in the inside of the goaf structure 101 is conveniently transported and discharged.

[0034] Please refer to Figure 1 - Figure 4 The upper end of the real-time monitoring assembly 3 is provided with a device shell 301, the alarm 304 is controlled and started by the controller 305, and the device shell 301 is connected and installed in the inside of the goaf structure 101.

[0035] Through the above structure: by connecting the internal structure through the installation of the device shell 301, the structure is conveniently fixedly installed in the inside of the goaf structure 101 through the device shell 301, the smoke detector 302 is fixedly installed in the inside of the device shell 301, the smoke in the inside of the goaf structure 101 is sensed through the smoke detector (BoLian Wisdom DH-441) 302, the inside of the goaf structure 101 is conveniently monitored in real time, the infrared detector (NA-300) 303 is connected and installed at the rear end of the smoke detector 302, the high temperature in the inside of the goaf structure 101 is detected through the infrared detector 303, the high-temperature anomaly in the inside of the goaf structure 101 is conveniently detected, the alarm 304 is connected and installed in the inside of the goaf structure 101 and used in combination with the controller 305, the alarm (LD-168B) 304 is conveniently started and the fire extinguishing device 102 is started, the central processor 306 is connected and installed at the front end of the controller 305, the data detected by the smoke detector 302 and the infrared detector 303 is processed through the central processor 306, and the alarm 304 is conveniently started.

[0036] In use, first, high temperature pipeline 205 is arranged inside the high temperature area of goaf structure 101, the lower end of high temperature pipeline 205 is installed support 206, high temperature pipeline 205 is connected and supported through support 206, high temperature pipeline 205 is made of high temperature resistant material, the high temperature resistant material is silicon carbide ceramic material, the silicon carbide ceramic material has excellent normal temperature mechanical properties, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high wear resistance and low friction coefficient, high temperature pipeline 205 is connected to the air inlet and return shaft 201 of goaf, the rear end of return shaft 201 is connected to exhaust port 202, strong exhaust fan 204 is arranged inside exhaust port 202, hot air in the high temperature area is led out of goaf structure 101 through high temperature pipeline 205 by exhaust fan 204, the accumulation of heat in goaf structure 101 is reduced, at the same time, real-time monitoring assembly 3 is installed inside goaf structure 101, smoke detector 302 and infrared detector 303 are installed in real-time monitoring assembly 3, goaf structure 101 is monitored in real time through smoke detector 302 and infrared detector 303, once smoke detector 302 and infrared detector 303 find smoke or high temperature anomaly, alarm 304 is started through controller 305, alarm 304 automatically alarms and starts fire extinguishing device 102, fire extinguishing device 102 sprays resistance agent to goaf structure 101, forms a stable oxidation-resistant protective film, thereby preventing the process of coal spontaneous combustion.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fire prevention and extinguishing structure for spontaneous combustion in goaf areas, characterized in that, The utility model provides an automatic fire extinguishing device for coal mine, including device structure component (1), the upper end of device structure component (1) is connected and installs and exhaust structure component (2), the upper end of exhaust structure component (2) is connected and installs and returns the well (201), and the upper end rear of well (201) is fixedly installed and exhausts the mouth (202), the inside of exhaust mouth (202) is connected and installs device frame (203), the inside of device frame (203) is connected and installs exhaust fan (204), the front end of well (201) is connected and installs high temperature pipeline (205), the inside of device structure component (1) is connected and installs real -time monitoring component (3), the upper end of real -time monitoring component (3) is installed and is detected by smoke (302), the upper end rear of smoke detector (302) is connected and installs infrared detector (303), the upper end rear of infrared detector (303) is connected and installs alarm (304), the lower end of alarm (304) is connected and installs controller (305), the front end of controller (305) is connected and installs central processing unit (306).

2. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 1, characterized by, The upper end of device structure component (1) is connected and installed with a goaf structure (101), and the upper end of the goaf structure (101) is fixedly installed with a fire extinguishing device (102).

3. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 1, characterized by, The upper end of the exhaust structure component (2) is connected and installed with a bracket (206).

4. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 1, characterized by, The upper end of the real-time monitoring component (3) is installed with a device shell (301).

5. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 1, characterized by, The exhaust structure component (2) is connected and installed at the rear end of the goaf structure (101) in the device structure component (1), and the real-time monitoring component (3) is connected and installed inside the goaf structure (101) in the device structure component (1).

6. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 2, characterized by, The fire extinguishing device (102) is a fire retardant, and the upper end of the fire extinguishing device (102) is installed with a conveying pipeline.

7. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 3, characterized by, The high-temperature pipeline (205) is connected and installed inside the goaf structure (101), the upper end of the high-temperature pipeline (205) is made of silicon carbide ceramic material, and the bracket (206) is connected and installed at the upper end of the high-temperature pipeline (205).

8. The self-ignition fire-prevention and extinguishment structure for a goaf according to claim 4, characterized by, The controller (305) controls the alarm (304) to start, and the device shell (301) is connected and installed inside the goaf structure (101).

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