CN220237623U - Mining automatic alarm cooling fire extinguishing system - Google Patents
Mining automatic alarm cooling fire extinguishing system Download PDFInfo
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- CN220237623U CN220237623U CN202223474895.1U CN202223474895U CN220237623U CN 220237623 U CN220237623 U CN 220237623U CN 202223474895 U CN202223474895 U CN 202223474895U CN 220237623 U CN220237623 U CN 220237623U
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- pressure
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 238000005065 mining Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000000007 visual effect Effects 0.000 claims abstract description 14
- 239000003595 mist Substances 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000009690 centrifugal atomisation Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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 belongs to the technical field of underground mine fire safety, and particularly relates to a mining automatic alarming, cooling and fire extinguishing system. The specific technical scheme is as follows: the air-water mixing device comprises an air-water mixing cavity, wherein the input end of the air-water mixing cavity is respectively connected with a high-pressure air supply system and a water supply system through an air inlet pipe and a water inlet pipe, and the output end of the air-water mixing cavity is connected with a water mist spray head through a water outlet pipe; the smoke detector also comprises a detection alarm part for sensing smoke and detecting whether the temperature reaches a preset temperature. The utility model fully utilizes the existing high-pressure air supply system and water supply system under the mine well, and timely discovers hidden dangers and effective pairs A, B, E (solid fire, liquid fire and electric fire) fire by arranging the air pressure pipeline, the pressure water pipeline, the filter, the air-water mixing cavity, the water mist nozzle, the smoke detector, the constant temperature detector, the audible and visual alarm and the like, thereby playing the roles of cooling, extinguishing and controlling fire as a whole.
Description
Technical Field
The utility model belongs to the technical field of underground mine fire safety, and particularly relates to a mining automatic alarming, cooling and fire extinguishing system.
Background
Due to the limitation of the intrinsic conditions such as narrow space, relatively closed space, fixed wind flow direction and the like, the underground mine has more prominent hazard once a fire accident occurs. With the adoption of a large number of mechanized and electrified equipment in modern mines, fires caused by various combustible solids, combustible liquid, electric equipment and the like become important hidden hazards in mine safety production, and then most accidents occur because hidden hazards cannot be found in time, so A, B, E (solid fire, liquid fire and electric fire) fires caused by high temperature and other reasons need to be accurately detected and alarmed at the initial stage of the fires, and the fires can be automatically cooled and extinguished, so that the aims of preventing the temperature from being lowered, timely extinguishing the initial fires and preventing the spread of the fires are fulfilled.
Disclosure of Invention
Aiming at the problems, the utility model provides the mining automatic alarm cooling fire extinguishing system which can accurately detect and alarm various A/B/E type fires caused by high temperature and other reasons in the initial stage of the fires and automatically cool and extinguish the fires.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the air-water mixing device comprises an air-water mixing cavity, wherein the input end of the air-water mixing cavity is respectively connected with a high-pressure air supply system and a water supply system through an air inlet pipe and a water inlet pipe, and the output end of the air-water mixing cavity is connected with a water mist spray head through a water outlet pipe;
the smoke detector also comprises a detection alarm part for sensing smoke and detecting whether the temperature reaches a preset temperature.
Preferably: the water supply system comprises a pressure water pipe, one end of the water inlet pipe is communicated with the pressure water pipe, and the other end of the water inlet pipe is communicated with the air-water mixing cavity.
Preferably: the water inlet pipe is provided with a first control valve and a filter, and the filter is positioned between the first control valve and the wind-water mixing cavity.
Preferably: the high-pressure air supply system comprises a high-pressure air pipe, and the high-pressure air pipe is communicated with the air-water mixing cavity through the air inlet pipe.
Preferably: and a second control valve is arranged on the air inlet pipe.
Preferably: and an electromagnetic valve is arranged on the water outlet pipe.
Preferably: the detection alarm part comprises a constant temperature detector, and the electromagnetic valve is connected with the constant temperature detector.
Preferably: the detection alarm part comprises a smoke detector connected with the electromagnetic valve.
Preferably: the detection alarm part further comprises an audible and visual alarm connected with the smoke detector, and the electromagnetic valve is connected with the audible and visual alarm.
Preferably: the diameter of the air-water mixing cavity is larger than that of the air inlet pipe, the diameter of the water inlet pipe and the diameter of the water outlet pipe, and the diameter of the water outlet pipe is smaller than that of the air inlet pipe.
The utility model has the following beneficial effects:
the utility model fully utilizes the existing high-pressure air supply system and water supply system under the mine, and timely discovers hidden danger and effective pair A, B, E (solid fire, liquid fire and electric fire) fire by arranging the air pressure pipeline, the pressure water pipeline, the filter, the air-water mixing cavity, the electric valve, the water mist spray head, the smoke detector, the constant temperature detector, the audible and visual alarm and the pipeline, thereby having the functions of cooling, extinguishing fire and controlling fire as a whole, eliminating toxic, harmful and corrosive substances in fire smoke and being beneficial to the development of personnel evacuation and fire-fighting, fire-extinguishing and rescue work.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
reference numerals: the device comprises a pressure water pipe 1, a high-pressure air pipe 2, a first control valve 3, a second control valve 31, a filter 4, an air-water mixing cavity 5, an electromagnetic valve 6, a water mist spray head 7, a smoke detector 8, a constant temperature detector 9, an audible and visual alarm 10, a protection area 11, a water outlet pipe 12, a water inlet pipe 13 and an air inlet pipe 14.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, the utility model discloses a mining automatic alarming, cooling and fire extinguishing system, which comprises an air-water mixing cavity 5, wherein the input end of the air-water mixing cavity 5 is respectively connected with a high-pressure air supply system and a water supply system through an air inlet pipe 14 and a water inlet pipe 13, and the output end of the air-water mixing cavity is connected with a water mist spray head 7 through a water outlet pipe 12; the smoke detector also comprises a detection alarm part for sensing smoke and detecting whether the temperature reaches a preset temperature.
Specifically, firstly, a detection alarm part is used for detecting and alarming the smoke high temperature of high temperature and initial fire, then an existing high-pressure air supply system and a water supply system in the pit are utilized to form high-pressure water jet through an air-water mixing cavity 5, and the high-pressure water jet is atomized through a water mist spray nozzle 7 to form water mist with the mist drop diameter smaller than 0.1 mm. The fine water mist can protect cooling, choking, dilution and covering high-temperature points or fire points, thereby achieving the purposes of protecting cooling and extinguishing fire.
The water mist spray head 7 is an anti-corrosion water mist spray head with a dust cover, when the water mist spray head is used for suppressing an electric fire, the centrifugal atomization spray head is used, the number of the water mist spray heads 7 is determined according to the design spray intensity, the protection area and the characteristic calculation of the water mist spray head, the arrangement is that the water mist spray head directly sprays and covers the protection area 11, wherein the pressure at the water mist spray head 7 is maintained at 0.45MP-0.5MP, the working pressure during protection and cooling is not less than 0.2MPa, and the working pressure during fire extinguishing is not less than 0.35MPa.
The high-pressure air supply system can adopt a ventilation system of the mine shaft in the prior art, namely, a ventilator in the ventilation system is communicated with the air inlet pipe 14, and the water supply system can adopt a water supply system of the mine shaft, namely, a water pump in which the water inlet pipe 13 is communicated.
Further, the water supply system comprises a pressure water pipe 1, one end of the water inlet pipe 13 is communicated with the pressure water pipe 1, and the other end is communicated with the air-water mixing cavity 5.
Specifically, the high-pressure water in the pressure water pipe 1 enters the air-water mixing cavity 5 from the water inlet pipe 13 and is separated from the high-pressure air supply system, and the influence of the high-pressure air supply system on the water supply system is avoided before the high-pressure air-water is mixed.
Further, the water inlet pipe 13 is provided with a first control valve 3 and a filter 4, and the filter 4 is located between the first control valve 3 and the wind-water mixing cavity 5.
Specifically, the first control valve 3 may be a bright-stem gate valve, a butterfly valve or a blind-stem gate valve with scales, and is connected to the water inlet pipe 13 by threads, and its function is mainly to regulate the water flow and cut off the water flow when the system is overhauled.
The filter 4 can adopt a Y-shaped water filter, is arranged between the pressure water pipe 1 and the wind-water mixing cavity 5, and is used for filtering impurities in the water inlet pipe 13 and preventing the impurities in the water from blocking the water mist nozzle 7.
Consistent with the principle of a water supply system, the high-pressure air supply system comprises a high-pressure air pipe 2, and the high-pressure air pipe 2 is communicated with the air-water mixing cavity 5 through the air inlet pipe 14.
Specifically, in this embodiment, the high-pressure air duct 2 and the pressure water pipe 1 are existing high-pressure air and high-pressure water used for underground production in mines, and the output pressure at the tail end is usually not less than 0.6MPa.
The wind-water mixing cavity 5 is arranged in front of the high-pressure air pipe 2, and the side surface of the wind-water mixing cavity is connected with the pressure water pipe 1 through the filter 4, so that water flow is mixed with high-pressure wind, and the water is pressurized through the high-pressure wind to form high-pressure water jet.
Further, a second control valve 31 is provided on the air inlet pipe 14.
Specifically, the second control valve 31 is identical to the first control valve 3 in specification, and is also screwed to the air inlet pipe 13, and its function is mainly to regulate the flow of air and cut off the flow of air when the system is overhauled.
Further, an electromagnetic valve 6 is arranged on the water outlet pipe.
Specifically, the electromagnetic valve 6 belongs to the prior art, is used for regulating and controlling the direction, flow and speed of the water, and in order to achieve the use effect, the electromagnetic valve 6 needs to be set into three control opening modes of automatic, manual and emergency starting.
Further, the detection alarm part comprises a constant temperature detector 9, and the electromagnetic valve 6 is connected with the constant temperature detector 9.
Specifically, the fixed temperature detector 9 may be a point type temperature detector or a line type temperature detector, and when the temperature of the detection area reaches a set value, the temperature signal is converted into an electrical signal, and the electrical signal is transmitted to the electromagnetic valve 6, and the electromagnetic valve 6 is opened to start the system.
When the temperature detector 9 detects that the temperature is higher than the set temperature, output voltage is supplied to the electromagnetic valve 6, so that the electromagnetic valve 6 is opened, and high-pressure water flow forms water spray through the water outlet pipe 12 and the water mist spray head 7, so that the effects of cooling and extinguishing fire are achieved; after the temperature is reduced or the fire alarm is released, the electromagnetic valve 6 is automatically reset when power is lost, the valve is closed, and high-pressure air and water are cut off.
Further, the detection alarm part comprises a smoke detector 8 connected with the electromagnetic valve 6.
Specifically, the smoke detector 8 should be an explosion-proof smoke detector.
Further, the detection alarm part further comprises an audible and visual alarm 10 connected with the smoke detector 8, and the electromagnetic valve 6 is connected with the audible and visual alarm 10.
Specifically, the audible and visual alarm 10 should be capable of emitting both audible and visual alarm signals.
When the smoke detector 8 is triggered, the audible and visual alarm 10 can be linked timely to send out an alarm signal, wherein in order to avoid the false start of the system caused by underground dust and oil smoke pollution, the smoke detector 8 arranged in the system is only used as a pre-alarm but not linked to start the fire extinguishing system, and only when the temperature detector 9 detects that the temperature reaches the preset temperature, the electromagnetic valve 6 can be automatically linked to be opened to start the cooling fire extinguishing system, and the audible and visual alarm 10 is linked to send out an alarm signal.
When the constant temperature detector 9 is transmitted to the electromagnetic valve 6, the electromagnetic valve 6 is opened to start the system, and the audible and visual alarm 10 is triggered to send out an alarm signal.
Further, the diameter of the air-water mixing chamber 5 is larger than the diameter of the air inlet pipe 14, the diameter of the water inlet pipe 13 and the diameter of the water outlet pipe 12, and the diameter of the water outlet pipe 12 is smaller than the diameter of the air inlet pipe 14.
Specifically, each pipeline adopts an inner galvanized steel pipe and an outer galvanized steel pipe, and is connected by screw threads. In order to form high-pressure water jet, the diameter of the water outlet pipe 12 is smaller than that of the air inlet pipe 14, the air inlet pipe 14 blows high-pressure air into the air-water mixing cavity 5, and the water outlet pipe 12 forms high-pressure water flow at the water outlet because the caliber is smaller than that of the high-pressure air pipe.
Before the system is installed, the pressure detection should be carried out on the tail end output port of the existing high-pressure wind of the mine; secondly, the functional test is carried out on all the used parts such as the detector, the alarm, the electromagnetic valve 6 and the like, so that the service performance of the device is ensured; thirdly, after the system is installed, the sealing performance, the compression strength test of the pipeline, the connection point and the like in each system are carried out; fourthly, carrying out linkage work test on the whole system before the whole system is put into use; after the above work is completed, the system side can be put into use.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (10)
1. The utility model provides a mining automatic alarm cooling fire extinguishing system which characterized in that: the water spray device comprises a wind-water mixing cavity (5), wherein the input end of the wind-water mixing cavity (5) is respectively connected with a high-pressure wind supply system and a water supply system through an air inlet pipe (14) and a water inlet pipe (13), and the output end of the wind-water mixing cavity is connected with a water spray nozzle (7) through a water outlet pipe (12);
the smoke detector also comprises a detection alarm part for sensing smoke and detecting whether the temperature reaches a preset temperature.
2. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the water supply system comprises a pressure water pipe (1), one end of the water inlet pipe (13) is communicated with the pressure water pipe (1), and the other end of the water inlet pipe is communicated with the wind-water mixing cavity (5).
3. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the air-water mixing device is characterized in that a first control valve (3) and a filter (4) are arranged on the water inlet pipe (13), and the filter (4) is located between the first control valve (3) and the air-water mixing cavity (5).
4. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the high-pressure air supply system comprises a high-pressure air pipe (2), and the high-pressure air pipe (2) is communicated with the air-water mixing cavity (5) through the air inlet pipe (14).
5. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the air inlet pipe (14) is provided with a second control valve (31).
6. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the water outlet pipe is provided with an electromagnetic valve (6).
7. The mining automatic alarm cooling fire extinguishing system according to claim 6, wherein: the detection alarm part comprises a constant temperature detector (9), and the electromagnetic valve (6) is connected with the constant temperature detector (9).
8. The mining automatic alarm cooling fire extinguishing system according to claim 6, wherein: the detection alarm part comprises a smoke detector (8) connected with the electromagnetic valve (6).
9. The mining automatic alarm cooling fire extinguishing system according to claim 8, wherein: the detection alarm part further comprises an audible and visual alarm (10) connected with the smoke detector (8), and the electromagnetic valve (6) is connected with the audible and visual alarm (10).
10. The mining automatic alarm cooling fire extinguishing system according to claim 1, wherein: the diameter of the cavity of the air-water mixing cavity (5) is larger than that of the air inlet pipe (14), the diameter of the water inlet pipe (13) and the diameter of the water outlet pipe (12), and the diameter of the water outlet pipe (12) is smaller than that of the air inlet pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223474895.1U CN220237623U (en) | 2022-12-26 | 2022-12-26 | Mining automatic alarm cooling fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223474895.1U CN220237623U (en) | 2022-12-26 | 2022-12-26 | Mining automatic alarm cooling fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220237623U true CN220237623U (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223474895.1U Active CN220237623U (en) | 2022-12-26 | 2022-12-26 | Mining automatic alarm cooling fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220237623U (en) |
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2022
- 2022-12-26 CN CN202223474895.1U patent/CN220237623U/en active Active
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