CN220353892U - Underground coal mine fire extinguishing device - Google Patents
Underground coal mine fire extinguishing device Download PDFInfo
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- CN220353892U CN220353892U CN202321587514.2U CN202321587514U CN220353892U CN 220353892 U CN220353892 U CN 220353892U CN 202321587514 U CN202321587514 U CN 202321587514U CN 220353892 U CN220353892 U CN 220353892U
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- mine
- storage cavity
- water storage
- wall
- water
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- 239000003245 coal Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 31
- 238000005192 partition Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an underground coal mine fire extinguishing device, which relates to the technical field of underground coal mine fire extinguishing devices, and is technically characterized in that: the mine comprises a mine, wherein a first water storage cavity is arranged at the upper part of the mine, the inner side of the first water storage cavity is a mine inner wall, and a second water storage cavity positioned at the bottom end of the mine inner wall is arranged at the bottom of the mine; the arc-shaped upper part and the bottom of the mine inner wall are uniformly provided with water outlets at intervals, the water outlets at the arc-shaped upper part of the mine inner wall can be communicated with the first water storage cavity, and the water outlets at the bottom of the mine inner wall can be communicated with the second water storage cavity; the water outlet Kong Nasai is provided with a piston, and a first blocking mechanism and a driving structure are arranged at the bottom of the first water storage cavity; and a second blocking mechanism and a second reset spring are arranged at two ends of the second water storage cavity. The device is not influenced by other conditions, and can stably provide power to spray water; the water storage cavity is large in volume, and can provide a sufficient amount of water to extinguish fire.
Description
Technical Field
The utility model relates to the technical field of underground fire extinguishing devices for mines, in particular to an underground fire extinguishing device for a coal mine.
Background
The mine is a general term for forming a roadway, a chamber, equipment, a ground building and a structure of an underground coal mine production system, and because more coal mine resources exist in the mine, great loss is caused once a fire disaster occurs, and the conditions inside the mine are crude.
In order to solve the above problems, chinese patent (CN 111335935 a) discloses an underground coal mine fire extinguishing device, which comprises a wind cup, an air extraction mechanism and a blocking mechanism, wherein the wind cup generates power to slide the permanent magnet block in the cavity to form a negative pressure environment, so that water is sprayed out from the water outlet.
The scheme solves the trouble of overhauling the electronic equipment; however, the underground coal mine fire extinguishing device still has some defects: firstly, the wind speed is reduced when coal in a mine channel is spontaneous-burned, the rotation of a wind cup is influenced by the wind speed, and the precipitation efficiency is reduced; secondly, the water storage capacity is insufficient, and the fire cannot be effectively extinguished when the fire is large.
Disclosure of Invention
The utility model aims to solve the problems and provides a coal mine underground fire extinguishing device.
The technical aim of the utility model is realized by the following technical scheme:
the underground coal mine fire extinguishing device comprises a mine, wherein a first water storage cavity is arranged at the upper part of the mine, the inner side of the first water storage cavity is a mine inner wall, and a second water storage cavity positioned at the bottom end of the mine inner wall is arranged at the bottom of the mine; the arc-shaped upper part and the bottom of the mine inner wall are uniformly provided with water outlets at intervals, the water outlets at the arc-shaped upper part of the mine inner wall can be communicated with the first water storage cavity, and the water outlets at the bottom of the mine inner wall can be communicated with the second water storage cavity; the water outlet Kong Nasai is provided with a piston, and a first blocking mechanism and a driving structure are arranged at the bottom of the first water storage cavity; and a second blocking mechanism and a second reset spring are arranged at two ends of the second water storage cavity.
By adopting the technical scheme, when a fire occurs, the plugging mechanism is heated and contracted to be opened, then the driving structure provides power to spray water, and meanwhile, the power provided by the driving structure is not influenced by other conditions to be reduced, so that the water can be sprayed out in time to extinguish the fire; the fire extinguishing device has a large water storage cavity, can store a large amount of water, and can also provide enough water to extinguish the fire when the fire is large.
The utility model is further provided with: l-shaped heat conducting plates are fixed at two ends of the bottom of the inner wall of the mine.
By adopting the technical scheme, heat is conducted to the plugging mechanism when a fire occurs.
The utility model is further provided with: the first plugging mechanism comprises first thermal deformation metal and a first sliding plug, first inner wall openings are formed in the lower portions of two sides of the inner wall of the mine, the first thermal deformation metal horizontally penetrates through the first inner wall openings and is fixedly connected with the heat conducting plate, and the first sliding plug is abutted to the bottom of the first thermal deformation metal.
By adopting the technical scheme, the first heat deformation metal is heated and contracted to the inside of the opening of the first inner wall, and the second sliding plug blocks the channel for water to flow downwards.
The utility model is further provided with: the driving structure comprises a first reset spring and a metal partition plate, wherein the first reset spring is vertically arranged in the first water storage cavity and is abutted to the bottom of the first sliding plug, and the metal partition plate is horizontally embedded into the mine and is fixed at the bottom of the first reset spring.
By adopting the technical scheme, the first return spring expands and provides power to push the first slide upwards, water in the first water storage cavity is forced to flow towards the arc upper part of the first water storage cavity, the piston is pressed and extruded out of the water outlet, and water in the first water storage cavity is sprayed out of the water outlet.
The utility model is further provided with: the second plugging mechanism comprises a second thermal deformation metal and a second sliding plug, second inner wall openings are formed in two ends of the bottom of the mine inner wall, the second thermal deformation metal vertically penetrates through the second inner wall openings and is fixedly connected with the heat conducting plate, and the second sliding plug is abutted to the second thermal deformation metal.
By adopting the technical scheme, the second heat deformation metal is heated and contracted to the inside of the second inner wall opening, and the second sliding plug blocks the channel for water to flow to two ends.
The utility model is further provided with: the second reset spring is horizontally arranged at two ends of the second water storage cavity and is abutted to the second sliding plug.
Through adopting above-mentioned technical scheme, second reset spring expansion provides power and pushes up second sliding closure to second water storage chamber middle part, and the inside water atress of second water storage chamber flows to second water storage chamber middle part, and the piston is pressed and is extruded the apopore, and the water in the second water storage chamber is spouted from the apopore.
In summary, the utility model has the following beneficial effects:
1. when a fire occurs, the blocking mechanism is heated and contracted to be opened, then the driving structure provides power to spray water, and meanwhile, the power provided by the driving structure is not affected by other conditions to be reduced, so that the water can be sprayed out in time to extinguish the fire; the fire extinguishing device has a large water storage cavity, can store a large amount of water, and can also provide enough water to extinguish the fire when the fire is large.
2. The device has high fire extinguishing efficiency, and can realize effective fire extinguishing even when the fire is large.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present utility model.
In the figure: 1. the inner wall of the mine; 2. a water outlet hole; 3. a first water storage chamber; 4. a mine; 5. a piston; 6. a heat conductive plate; 7. a first inner wall opening; 8. a first heat deformable metal; 9. a first slide plug; 10. a first return spring; 11. a metal separator; 12. a second return spring; 13. a second slide plug; 14. a second heat deformable metal; 15. a second inner wall opening; 16. and a second water storage cavity.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, wherein it is to be understood that the illustrated embodiments are merely exemplary of some, but not all, of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The present utility model will be described in detail with reference to examples.
Examples:
the underground coal mine fire extinguishing device comprises a mine, wherein an upper cavity of the mine is a first water storage cavity, the inner side of the first water storage cavity is a mine inner wall, and a cavity at the bottom end of the mine inner wall is a second water storage cavity; the arc upper part and the bottom of the mine inner wall are uniformly provided with water outlets at intervals, the water outlets at the arc upper part of the mine inner wall can be communicated with the first water storage cavity, and the water outlets at the bottom of the mine inner wall can be communicated with the second water storage cavity; the water outlet Kong Nasai is provided with a piston, and a first blocking mechanism and a driving structure are fixed at the bottom of the first water storage cavity; the two ends of the second water storage cavity are fixed with a second blocking mechanism and a second return spring 。
In the embodiment, L-shaped heat conducting plates are welded and fixed at two ends of the bottom of the inner wall of the mine. The heat conducting plate conducts heat to the plugging mechanism 。
The first plugging mechanism comprises first heat deformation metal and a first sliding plug, the lower parts of two sides of the inner wall of the mine are provided with first inner wall openings, the first heat deformation metal horizontally penetrates through the first inner wall openings and is connected with the heat conducting plate in a welding mode, and the first sliding plug is abutted to the bottom of the first heat deformation metal. After the fire, the first heat deformation metal is heated and contracted to the inside of the opening of the first inner wall, and the first sliding plug blocks the channel for water to flow downwards.
The driving structure further comprises a first reset spring and a metal partition plate, wherein the first reset spring is vertically arranged in the first water storage cavity and is abutted against the bottom of the first sliding plug, and the metal partition plate is horizontally embedded into the mine and is fixed at the bottom of the first reset spring. After the first plugging mechanism is opened, the first return spring expands to provide power to push the first slide upwards, water in the first water storage cavity is forced to flow to the arc-shaped upper part of the first water storage cavity, the piston is pressed to be extruded out of the water outlet hole, and water in the first water storage cavity is sprayed out of the water outlet hole.
The second plugging mechanism comprises a second thermal deformation metal and a second sliding plug, second inner wall openings are formed in two ends of the bottom of the inner wall of the mine, the second thermal deformation metal vertically penetrates through the second inner wall openings to be connected with the heat conducting plate in a welding mode, and the second sliding plug is abutted to the second thermal deformation metal. After the fire, the second heat deformation metal is heated and contracted to the inside of the second inner wall opening, and the second sliding plug blocks the channel for water to flow to the two ends.
The second reset spring is horizontally arranged at two ends of the second water storage cavity and is abutted to the second sliding plug. After the second blocking mechanism is opened, the second reset spring expands to provide power to push the second sliding plug to the middle part of the second water storage cavity, water in the second water storage cavity is forced to flow to the middle part of the second water storage cavity, the piston is pressed to be extruded out of the water outlet hole, and water in the second water storage cavity is sprayed out of the water outlet hole.
Working principle: when a fire occurs, the blocking mechanism is heated and contracted to be opened, then the driving structure provides power to spray water, meanwhile, the power provided by the driving structure is not influenced by other conditions to be reduced, the water can be sprayed out in time to extinguish the fire, and the fire extinguishing efficiency is improved; the fire extinguishing device has a large water storage cavity, can store a large amount of water, and can also provide enough water to extinguish the fire when the fire is large.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. An underground coal mine fire extinguishing device is characterized in that: the mine comprises a mine, wherein a first water storage cavity is arranged at the upper part of the mine, the inner side of the first water storage cavity is a mine inner wall, and a second water storage cavity positioned at the bottom end of the mine inner wall is arranged at the bottom of the mine; the arc-shaped upper part and the bottom of the mine inner wall are uniformly provided with water outlets at intervals, the water outlets at the arc-shaped upper part of the mine inner wall can be communicated with the first water storage cavity, and the water outlets at the bottom of the mine inner wall can be communicated with the second water storage cavity; the water outlet Kong Nasai is provided with a piston, and a first blocking mechanism and a driving structure are arranged at the bottom of the first water storage cavity; and a second blocking mechanism and a second reset spring are arranged at two ends of the second water storage cavity.
2. A downhole fire extinguishing apparatus for coal mine according to claim 1, wherein: l-shaped heat conducting plates are fixed at two ends of the bottom of the inner wall of the mine.
3. A downhole fire extinguishing apparatus for coal mine according to claim 2, wherein: the first plugging mechanism comprises first thermal deformation metal and a first sliding plug, first inner wall openings are formed in the lower portions of two sides of the inner wall of the mine, the first thermal deformation metal horizontally penetrates through the first inner wall openings and is fixedly connected with the heat conducting plate, and the first sliding plug is abutted to the bottom of the first thermal deformation metal.
4. A downhole fire extinguishing apparatus for coal mine according to claim 1, wherein: the driving structure comprises a first reset spring and a metal partition plate, wherein the first reset spring is vertically arranged in the first water storage cavity and is abutted to the bottom of the first sliding plug, and the metal partition plate is horizontally embedded into the mine and is fixed at the bottom of the first reset spring.
5. A downhole fire extinguishing apparatus for coal mine according to claim 2, wherein: the second plugging mechanism comprises a second thermal deformation metal and a second sliding plug, second inner wall openings are formed in two ends of the bottom of the mine inner wall, the second thermal deformation metal vertically penetrates through the second inner wall openings and is fixedly connected with the heat conducting plate, and the second sliding plug is abutted to the second thermal deformation metal.
6. A downhole fire extinguishing apparatus for coal mine according to claim 1, wherein: the second reset spring is horizontally arranged at two ends of the second water storage cavity and is abutted to the second sliding plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321587514.2U CN220353892U (en) | 2023-06-20 | 2023-06-20 | Underground coal mine fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321587514.2U CN220353892U (en) | 2023-06-20 | 2023-06-20 | Underground coal mine fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220353892U true CN220353892U (en) | 2024-01-16 |
Family
ID=89501380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321587514.2U Active CN220353892U (en) | 2023-06-20 | 2023-06-20 | Underground coal mine fire extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220353892U (en) |
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2023
- 2023-06-20 CN CN202321587514.2U patent/CN220353892U/en active Active
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