Mining cooling and fire extinguishing device

By combining water spraying and water injection, the problem of existing mine cooling and extinguishing devices being unable to inject water to cool the inside of coal piles has been solved, achieving efficient fire extinguishing of coal piles, preventing reignition, and improving fire extinguishing efficiency and safety.

CN223964496UActive Publication Date: 2026-03-03SHANXI COAL IMP & EXP GRP ZUOYUN HANJIAWA COAL CO LTD
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Patent Information

Application Number
CN202423162618.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-03-03
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing mine cooling and fire extinguishing devices cannot inject water to cool the inside of coal piles, resulting in poor cooling and fire extinguishing effects. The water on the surface of the coal pile can easily reignite after evaporation.

Method used

A mine cooling and fire extinguishing device was designed, which includes two modes: water spraying and water injection. The water spraying mechanism sprays water to cool the surface of the coal pile, while the water injection mechanism injects water to cool the deeper areas of the coal pile. The water injection height is adjusted by a height adjustment mechanism to meet the fire extinguishing needs of different coal pile heights.

Benefits of technology

It enables efficient and flexible response to coal piles, prevents coal piles from reigniting, and improves fire extinguishing efficiency and safety in mining environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of mine cooling and fire extinguishing equipment, and provides a mine cooling and fire extinguishing device which comprises a bottom plate, the L-shaped frame is fixedly mounted on one side of the bottom plate; the water tank is fixedly mounted on the bottom plate; the plurality of balancing weights are mounted on the bottom plate; the water spraying, cooling and fire extinguishing mechanism is mounted on the L-shaped frame and is used for spraying water, cooling and extinguishing fire on the surface of the coal pile; and the water injection cooling and fire extinguishing mechanism is located on one side of the L-shaped frame and used for conducting water injection cooling and fire extinguishing on the deep area of the coal pile. According to the mining cooling and fire extinguishing device provided by the scheme, water spraying, fire extinguishing and cooling can be carried out on the surface of a coal pile on fire, water injection and cooling can be carried out on a deep area of the coal pile, coal pile reburning can be further prevented, and the fire extinguishing and cooling effects are good.
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Description

Technical Field

[0001] This utility model belongs to the technical field of cooling and extinguishing equipment for mines, and particularly relates to a cooling and extinguishing device for mines. Background Technology

[0002] In recent years, with the continuous development of my country's economy and society, the demand for coal from coal-fired power plants, steel plants, and chemical plants has surged. When large quantities of coal are stored in the open, they are exposed to wind, rain, sun, and oxygen in the air for extended periods. This leads to accelerated oxidation of the coal, increased temperature, and the generation of a large amount of heat, which can cause spontaneous combustion. When spontaneous combustion occurs in coal piles, cooling and extinguishing devices are needed to cool and extinguish the fire.

[0003] However, existing mine cooling and fire extinguishing devices can only spray water on the surface of the coal pile for cooling and fire extinguishing, and cannot inject water into the inside of the coal pile for cooling. Therefore, when the water on the surface of the coal pile evaporates, reignition often occurs, and the cooling and fire extinguishing effect is not good. Summary of the Invention

[0004] This utility model provides a cooling and extinguishing device for mines, which aims to solve the problem mentioned in the background art that existing cooling and extinguishing devices for mines cannot inject water to cool the inside of coal piles, resulting in poor cooling and extinguishing effects.

[0005] To solve the above problems, this utility model is implemented as follows: a mining cooling and fire extinguishing device, comprising: a base plate; an L-shaped frame fixedly installed on one side of the base plate; a water tank fixedly installed on the base plate; multiple counterweights installed on the base plate; a water spraying cooling and fire extinguishing mechanism installed on the L-shaped frame, the water spraying cooling and fire extinguishing mechanism being used to spray water to cool and extinguish fire on the surface of the coal pile; a water injection cooling and fire extinguishing mechanism located on one side of the L-shaped frame, the water injection cooling and fire extinguishing mechanism being used to inject water to cool and extinguish fire in the deeper areas of the coal pile; and a height adjustment mechanism installed on the L-shaped frame, the height adjustment mechanism being used to adjust the water injection height of the water injection cooling and fire extinguishing mechanism.

[0006] Preferably, the water spray cooling and fire extinguishing mechanism includes: a pipe array fixedly installed on the inner wall of the top of the L-shaped frame; and multiple nozzles installed on the pipe array.

[0007] Preferably, the height adjustment mechanism includes: a connecting plate fixedly installed on one side of the L-shaped frame; a servo motor fixedly installed on the top of the L-shaped frame; a screw rotatably installed on the connecting plate and rotatably connected to the L-shaped frame, the screw being fixedly connected to the output shaft of the servo motor; a slider threaded onto the screw; and an L-shaped plate fixedly installed on the slider.

[0008] Preferably, a plurality of limiting rods are fixedly installed on the connecting plate, and the plurality of limiting rods are all fixedly connected to the connecting plate and slidably connected to the slider.

[0009] Preferably, the water injection cooling fire extinguishing mechanism includes: a horizontal pipe fixedly installed on one side of the L-shaped plate; multiple water injection pipes installed on the horizontal pipe; and multiple water outlet holes respectively opened on the multiple water injection pipes.

[0010] Preferably, a water pump is installed on the bottom inner wall of the water tank, and a three-way pipe is provided at the outlet end of the water pump. A first water guide pipe and a second water guide pipe are provided on the three-way pipe, and the first water guide pipe and the second water guide pipe are respectively connected to the pipe bank and the horizontal pipe.

[0011] Preferably, a plurality of positioning plates are fixedly installed on the bottom of the base plate, and a plurality of axles are rotatably installed on the side of the plurality of positioning plates that are close to each other. A plurality of anti-slip wheels are fixedly fitted on each of the plurality of axles. A drive motor is fixedly installed on the bottom of the base plate, and bevel gears are fixedly installed on the output shaft of the drive motor and on the axles, with two bevel gears meshing with each other.

[0012] Preferably, a controller is provided on one side of the water tank, and the controller is equipped with a communication module.

[0013] Compared with related technologies, the mine cooling and fire extinguishing device provided by this utility model has the following beneficial effects:

[0014] Compared with existing technologies, the mine cooling and extinguishing device provided in this solution includes a base plate as a supporting foundation, an L-shaped frame fixedly installed on one side of the base plate to provide structural support, a water tank fixedly installed on the base plate to store the water resources required for fire extinguishing, multiple counterweights installed on the base plate to ensure the stability of the device, a water spray cooling and extinguishing mechanism installed on the L-shaped frame to spray water on the surface of the coal pile to achieve rapid cooling and extinguishing effects, a water injection cooling and extinguishing mechanism located on one side of the L-shaped frame to inject water into the deep area of ​​the coal pile to effectively suppress deep fire sources, and a height adjustment mechanism also installed on the L-shaped frame to flexibly adjust the water injection height of the water injection cooling and extinguishing mechanism to adapt to different coal pile heights and fire extinguishing needs. By comprehensively applying water spray cooling and water injection cooling methods, combined with the height adjustment mechanism, this device achieves efficient and flexible response to coal pile fire sources, prevents coal pile reignition, and effectively improves fire extinguishing efficiency and safety in mining environments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of a cooling and fire extinguishing device for mines provided by this utility model;

[0016] Figure 2 for Figure 1A three-dimensional assembly structure diagram of the middle slider, L-shaped plate, horizontal pipe and water injection pipe;

[0017] Figure 3 for Figure 1 The diagram shows an enlarged view of part A.

[0018] Reference numerals: 1. Base plate; 2. L-shaped frame; 3. Water tank; 4. Counterweight; 5. Pipeline; 6. Nozzle; 7. Connecting plate; 8. Servo motor; 9. Screw; 10. Slider; 11. L-shaped plate; 12. Limiting rod; 13. Horizontal pipe; 14. Water injection pipe; 15. Water outlet; 16. Water pump; 17. T-shaped pipe; 18. First water guide pipe; 19. Second water guide pipe; 20. Positioning plate; 21. Axle; 22. Anti-slip walking wheel; 23. Drive motor; 24. Bevel gear; 25. Controller. Detailed Implementation

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0021] This utility model provides a mine cooling and fire extinguishing device, such as... Figure 1-3As shown, the mine cooling and extinguishing device includes: a base plate 1; an L-shaped frame 2 fixedly installed on one side of the base plate 1; a water tank 3 fixedly installed on the base plate 1; multiple counterweights 4 installed on the base plate 1; a water spraying cooling and extinguishing mechanism installed on the L-shaped frame 2, which is used to spray water to cool and extinguish the surface of the coal pile; a water injection cooling and extinguishing mechanism located on one side of the L-shaped frame 2, which is used to inject water to cool and extinguish the deeper areas of the coal pile; and a height adjustment mechanism installed on the L-shaped frame 2, which is used to adjust the water injection height of the water injection cooling and extinguishing mechanism.

[0022] In this embodiment, a base plate 1 serves as a supporting foundation, an L-shaped frame 2 is fixedly installed on one side of the base plate 1 to provide structural support, a water tank 3 is fixedly installed on the base plate 1 to store the water resources required for fire extinguishing, multiple counterweights 4 are installed on the base plate 1 to ensure the stability of the device, a water spray cooling fire extinguishing mechanism is installed on the L-shaped frame 2 to spray water onto the surface of the coal pile to achieve rapid cooling and fire extinguishing effects, a water injection cooling fire extinguishing mechanism is located on one side of the L-shaped frame 2 to inject water into the deep areas of the coal pile to effectively suppress deep fire sources, and a height adjustment mechanism is also installed on the L-shaped frame 2 to flexibly adjust the water injection height of the water injection cooling fire extinguishing mechanism to adapt to different coal pile heights and fire extinguishing needs. This device, by comprehensively applying water spray cooling and water injection cooling methods, combined with the height adjustment mechanism, achieves efficient and flexible response to coal pile fire sources, prevents coal pile reignition, and effectively improves fire extinguishing efficiency and safety in mining environments.

[0023] In a further preferred embodiment of the present invention, the water spray cooling and fire extinguishing mechanism includes: a pipe array 5 fixedly installed on the inner wall of the top of the L-shaped frame 2; and a plurality of nozzles 6 installed on the pipe array 5.

[0024] In this embodiment, water can be sprayed onto the surface of the coal pile through multiple nozzles 6 on the pipe row 5, thereby extinguishing the fire and cooling the surface of the burning coal pile.

[0025] In a further preferred embodiment of this utility model, the height adjustment mechanism includes: a connecting plate 7 fixedly installed on one side of the L-shaped frame 2; a servo motor 8 fixedly installed on the top of the L-shaped frame 2; a screw 9 rotatably installed on the connecting plate 7 and rotatably connected to the L-shaped frame 2, the screw 9 being fixedly connected to the output shaft of the servo motor 8; a slider 10 threaded onto the screw 9; and an L-shaped plate 11 fixedly installed on the slider 10.

[0026] In this embodiment, the servo motor 8 drives the screw 9 to rotate, which in turn drives the slider 10 to move up and down. The slider 10, through the L-shaped plate 11, drives the water injection cooling fire extinguishing mechanism to move up and down, thereby adjusting the water injection height of the water injection cooling fire extinguishing mechanism, so that the water injection cooling fire extinguishing mechanism can inject water into areas of different heights inside the coal pile.

[0027] In a further preferred embodiment of the present invention, a plurality of limiting rods 12 are fixedly installed on the connecting plate 7, and the plurality of limiting rods 12 are fixedly connected to the connecting plate 7 and slidably connected to the slider 10.

[0028] In this embodiment, the slider 10 can be guided and limited by multiple limiting rods 12.

[0029] In a further preferred embodiment of the present invention, the water injection cooling fire extinguishing mechanism includes: a horizontal pipe 13 fixedly installed on one side of the L-shaped plate 11; a plurality of water injection pipes 14 installed on the horizontal pipe 13; and a plurality of water outlet holes 15 respectively opened on the plurality of water injection pipes 14.

[0030] In this embodiment, water can be introduced into multiple water injection pipes 14 through the horizontal pipe 13, and water can be diffused more evenly into the interior of the coal pile through multiple water outlet holes 15, thereby extinguishing the fire and cooling the interior of the coal pile.

[0031] In a further preferred embodiment of the present invention, a water pump 16 is installed on the bottom inner wall of the water tank 3, and a three-way pipe 17 is provided at the outlet end of the water pump 16. A first water guide pipe 18 and a second water guide pipe 19 are provided on the three-way pipe 17. The first water guide pipe 18 and the second water guide pipe 19 are respectively connected to the pipe row 5 and the horizontal pipe 13.

[0032] In this embodiment, water can be pumped out of the water tank 3 by the water pump 16 and injected into the pipe row 5 and the horizontal pipe 13 through the three-way pipe 17, the first water guide pipe 18 and the second water guide pipe 19 respectively.

[0033] In a further preferred embodiment of the present invention, a plurality of positioning plates 20 are fixedly installed on the bottom of the base plate 1, and a plurality of wheel axles 21 are rotatably installed on the side of the plurality of positioning plates 20 that are close to each other. A plurality of anti-slip walking wheels 22 are fixedly sleeved on the plurality of wheel axles 21. A drive motor 23 is fixedly installed on the bottom of the base plate 1, and bevel gears 24 are fixedly installed on the output shaft of the drive motor 23 and on the wheel axles 21. Two bevel gears 24 mesh with each other.

[0034] In this embodiment, the drive motor 23 and two bevel gears 24 can drive the axle 21 and multiple anti-slip wheels 22 to rotate. The rotation of the multiple anti-slip wheels 22 can drive the device to move, thereby inserting multiple water injection pipes 14 into the coal pile for water injection and cooling.

[0035] In a further preferred embodiment of the present invention, a controller 25 is provided on one side of the water tank 3, and a communication module is provided on the controller 25.

[0036] In this embodiment, the device can be operated and controlled by the controller 25, and the controller 25 can be connected to the Internet through the communication module, so that the staff can operate and control the device using a mobile APP from a distance.

[0037] In summary, compared with related technologies, this device can not only spray water to extinguish and cool the surface of the burning coal pile, but also inject water to cool the deeper areas of the coal pile, which can further prevent the coal pile from reigniting, and has a better fire extinguishing and cooling effect.

[0038] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A mine cooling and fire extinguishing device, characterized in that, The utility model relates to a coal pile cooling and extinguishing device, including: A bottom plate; An L-shaped frame fixedly installed on one side of the bottom plate; A water tank fixedly installed on the bottom plate; A plurality of counterweights installed on the bottom plate; A water spraying cooling and extinguishing mechanism installed on the L-shaped frame, which is used for spraying water on the surface of the coal pile to cool and extinguish the fire; A water injection cooling and extinguishing mechanism located on one side of the L-shaped frame, which is used for injecting water into the deep area of the coal pile to cool and extinguish the fire; A height adjusting mechanism installed on the L-shaped frame, which is used for adjusting the water injection height of the water injection cooling and extinguishing mechanism.

2. The mine cooling and fire extinguishing device of claim 1, wherein, The water spraying cooling and extinguishing mechanism includes: A pipe row fixedly installed on the inner wall of the top of the L-shaped frame; A plurality of spray heads installed on the pipe row.

3. The mine cooling and fire extinguishing device of claim 2, wherein, The height adjusting mechanism includes: A connecting plate fixedly installed on one side of the L-shaped frame; A servo motor fixedly installed on the top of the L-shaped frame; A screw rod rotatably installed on the connecting plate and rotatably connected with the L-shaped frame, the screw rod being fixedly connected with the output shaft of the servo motor; A sliding block threadedly sleeved on the screw rod; An L-shaped plate fixedly installed on the sliding block.

4. The mine fire suppression device of claim 3, wherein, A plurality of limiting rods are fixedly installed on the connecting plate, the limiting rods being fixedly connected with the connecting plate and slidably connected with the sliding block.

5. The mine fire suppression device of claim 3, wherein, The water injection cooling and extinguishing mechanism includes: A cross pipe fixedly installed on one side of the L-shaped plate; A plurality of water injection pipes installed on the cross pipe; A plurality of water outlets respectively formed in the water injection pipes.

6. The mine fire suppression device of claim 5, wherein, A water pump is installed on the bottom inner wall of the water tank, a three-way pipe is provided at the water outlet of the water pump, a first water guide pipe and a second water guide pipe are provided on the three-way pipe, and the first water guide pipe and the second water guide pipe are respectively connected with the pipe row and the cross pipe.

7. The mine fire suppression device of claim 1, wherein, A plurality of positioning plates are fixedly installed on the bottom of the bottom plate, a plurality of wheel shafts are rotatably installed on the side of the positioning plates close to each other, a plurality of antiskid walking wheels are fixedly sleeved on the wheel shafts, a drive motor is fixedly installed on the bottom of the bottom plate, bevel gears are fixedly installed on the output shaft of the drive motor and the wheel shafts, and the two bevel gears are meshed.

8. The mine fire suppression device of claim 1, wherein, A controller is provided on one side of the water tank, and a communication module is provided on the controller.