CN218046254U - Fire detection, prevention and control system for underground belt transportation roadway - Google Patents
Fire detection, prevention and control system for underground belt transportation roadway Download PDFInfo
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- CN218046254U CN218046254U CN202222187353.XU CN202222187353U CN218046254U CN 218046254 U CN218046254 U CN 218046254U CN 202222187353 U CN202222187353 U CN 202222187353U CN 218046254 U CN218046254 U CN 218046254U
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Abstract
The utility model discloses a fire detection, prevention and control system for an underground belt conveying roadway, which comprises a monitoring host and a plurality of fire detection and control units, wherein each fire detection and control unit comprises a fire smoke sensing device and a water mist fire extinguishing and cooling device which are respectively arranged on two sides of the belt conveying roadway; the water mist fire extinguishing and cooling device comprises two water supply main pipes which are respectively arranged on two sides of the rubber belt transportation roadway and a plurality of water supply branch pipes connected between the two water supply main pipes, wherein a plurality of mining intrinsic safety type water mist nozzles are installed on the water supply branch pipes. The utility model discloses an evenly set up conflagration flue gas perception device and thin water smoke heat sink of putting out a fire at the rubber belt transportation lane, can carry out real-time detection and analysis to the rubber belt transportation lane conflagration condition, the environmental information who acquires the rubber belt transportation lane that can be timely accurate, fire detection coverage is wide, and the water supply branch pipe that has mining ann's type thin water smoke shower nozzle divides the multichannel distribution, can make the combustor obtain fully carefully moist, can realize better unmanned automatic fire extinguishing effect.
Description
Technical Field
The utility model belongs to the technical field of the mine is down sticky tape transportation lane fire detection prevention and control, concretely relates to mine is down sticky tape transportation lane fire detection prevention and control system.
Background
In recent years, accidents frequently occur outside mines due to fire disasters, and mine adhesive tape fires are the main type of fires outside mines, which often cause serious casualties and property loss. The mine rubber belt roadway is a mining area air inlet roadway generally, and once a fire disaster occurs, smoke flow of the mine rubber belt roadway can pose a great threat to personnel on the leeward side. According to the statistical analysis of scientific and technological innovation reports, in coal mine fire accidents, the proportion of major and serious accidents caused by external factors is up to more than 90%, and the number of people who die from the external factors accounts for 65% of the total number, so that the belt fire is particularly prominent. Due to the uncertainty of the fire disaster of the adhesive tape, the monitoring, early warning and emergency disposal are not timely, the best time for fire extinguishment is delayed, the fire disaster is developed quickly, and the life safety of underground personnel is seriously threatened. In addition, the flammable and explosive gas such as gas can lead to the secondary accident of tunnel under the effect of high temperature flue gas, and mine ventilation system often takes place the disorder under the effect of conflagration flue gas moreover, further enlarges the degree of harm.
The mine adhesive tape fire disaster is different from the coal spontaneous combustion fire disaster, and has the characteristics of long fire line, difficult identification of hidden fire hazard, strong toxicity of smoke and the like. Due to the rapid development of the sudden nature, a large amount of toxic smoke is generated, and other underground structures are easy to ignite, so that a plurality of secondary disasters are caused. The material of the rubber belt of the mining flame-retardant rubber belt conveyor is mostly rubber, a large amount of toxic gas is generated by combustion, and the harm is serious. In addition, the high temperature and the smoke generated by combustion enable rescuers not to spray water for fire extinguishment in a short distance, a water source is difficult to reach the position of a fire source during long-distance operation, the water mobility is strong, water is easy to accumulate in a low-lying position, and the follow-up rescue work can be hindered; inert gas fire extinguishing cannot be applied to the disaster situation of trapped people. Aiming at the problems of few emergency treatment means, low reliability, poor temperature control and fire extinguishing effects, large thermal hazards and the like of the conventional mine tunnel adhesive tape fire, the research and development of an effective tunnel fire early-stage control system is a main problem faced by the conventional adhesive tape fire emergency treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, the utility model provides a mine underground tape transport lane fire detection prevention and control system, a structure is simple, through evenly set up conflagration flue gas perception device and thin water smoke heat sink of putting out a fire at the tape transport lane, can carry out real-time detection and analysis to the tape transport lane conflagration condition, the temperature that can be timely accurate acquirees the tape transport lane, information such as humidity, fire detection prevention and control coverage is wide, combine thin water smoke atomizer, arrange water smoke pipeline and rubber belt conveyor are perpendicular, the water supply branch pipe that has mining ann's type thin water smoke shower nozzle divides the multichannel distribution, can make the combustor obtain fully thin moist, can realize better unmanned automatic fire extinguishing effect.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a mine underground belt conveyor roadway fire detection prevention and control system which characterized in that: the system comprises a monitoring host and a plurality of fire detection control units which are electrically connected with the monitoring host, wherein the fire detection control units are uniformly distributed along the length direction of a rubber belt conveying roadway; the fire detection control unit comprises two fire smoke sensing devices respectively arranged at two sides of the rubber belt conveying roadway and a water mist fire extinguishing and cooling device crossing the rubber belt conveying roadway;
the fire smoke sensing device comprises a mining intrinsic safety type smoke sensor, a mining video sensor and a mining multi-parameter wireless sensor, wherein a camera of the mining video sensor is installed towards a rubber belt conveyor in a rubber belt conveying roadway;
the water mist fire extinguishing and cooling device comprises two water supply main pipes and a plurality of water supply branch pipes, wherein the two water supply main pipes are respectively arranged on two sides of the rubber belt transportation lane, the water supply branch pipes are connected between the two water supply main pipes, the water supply branch pipes are arranged at the top of the rubber belt transportation lane, a plurality of mining intrinsic safety type water mist nozzles are uniformly arranged on the water supply branch pipes, and automatic backwashing type water quality filters and electric water supply valves are sequentially arranged on the water supply branch pipes along the water supply direction.
Foretell rubber belt conveyor roadway fire detection prevention and control system in pit, its characterized in that: the monitoring host machines are arranged on two sides of the rubber belt conveying roadway respectively, one monitoring host machine is electrically connected with the fire smoke sensing devices on the same side of the monitoring host machine and controls the electric water supply valves on the same side of the monitoring host machine to work, and the two monitoring host machines are in wireless communication with each other.
Foretell rubber belt conveyor roadway fire detection prevention and control system in pit, its characterized in that: the mining intrinsic safety type water mist spray heads on the plurality of water supply branch pipes are arranged in a staggered plum blossom shape.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses an evenly set up conflagration flue gas perception device and thin water smoke heat sink of putting out a fire at the tape transport lane, can carry out real-time detection and analysis to the tape transport lane conflagration condition, information such as the temperature of acquireing the tape transport lane that can be timely accurate, the conflagration detects prevention and control coverage extensively.
2. The utility model discloses a set up thin water smoke atomizer, arrange water smoke pipeline and rubber belt conveyor perpendicularly, the water supply branch pipe that has mining ann's type thin water smoke shower nozzle divides the multichannel distribution, can make the comburent obtain fully carefully moist, combines conflagration flue gas perception device can realize better unmanned automatic fire extinguishing effect.
To sum up, the utility model discloses simple structure through evenly setting up conflagration flue gas perception device and thin water smoke heat sink of putting out a fire at the rubber belt transportation lane, can carry out real-time detection and analysis to the rubber belt transportation lane conflagration condition, can be timely accurate acquire the information such as temperature, humidity of rubber belt transportation lane, conflagration detection prevention and control coverage is wide, combine thin water smoke atomizer, arrange water smoke pipeline and rubber belt conveyor are perpendicular, the water supply branch pipe that has mining ann's type thin water smoke shower nozzle divides the multichannel distribution, can make the combustor obtain fully thin moist, can realize better unmanned automatic fire extinguishing effect.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the system of the present invention.
Description of the reference numerals:
1-monitoring host computer; 2-rubber belt conveying lane;
3-mining intrinsically safe smoke sensor; 4-a mining video sensor;
5-mining multi-parameter wireless sensor; 6-water main;
7-a water supply branch pipe; 8-mining intrinsic safety type water mist spray head;
9-automatic back flushing type water quality filter; 10-electric water supply valve.
Detailed Description
As shown in fig. 1, the utility model comprises a monitoring host 1 and a plurality of fire detection control units which are electrically connected with the monitoring host 1, wherein the fire detection control units are uniformly arranged along the length direction of the rubber belt conveying roadway 2; the fire detection control unit comprises two fire smoke sensing devices respectively arranged at two sides of the rubber belt conveying lane 2 and a water mist fire extinguishing and cooling device crossing the rubber belt conveying lane 2;
the fire smoke sensing device comprises a mining intrinsic safety type smoke sensor 3, a mining video sensor 4 and a mining multi-parameter wireless sensor 5, wherein a camera of the mining video sensor 4 is installed towards a rubber belt conveyor in the rubber belt conveying roadway 2;
the water mist fire extinguishing and cooling device comprises two water supply main pipes 6 which are respectively arranged on two sides of a rubber belt conveying roadway 2 and a plurality of water supply branch pipes 7 connected between the two water supply main pipes 6, the water supply branch pipes 7 are arranged at the top of the rubber belt conveying roadway 2, a plurality of mining intrinsically safe water mist spray nozzles 8 are uniformly arranged on the water supply branch pipes 7, and automatic back-flushing type water quality filters 9 and electric water supply valves 10 are sequentially arranged on the water supply branch pipes 7 along the water supply direction.
It should be noted that the fire smoke sensing device and the monitoring host 1 are both powered by a mine underground cable.
It should be noted that the fire smoke sensing device corresponds to the water mist fire extinguishing and cooling device, i.e. the water supply branch pipe 7 is located between the two fire smoke sensing devices.
In this embodiment, two adjacent fire detection control units are arranged at an interval of 200m, so as to ensure that the detection range covers the belt conveyor lane 2.
In this embodiment, the electric water supply valve 10 is a DFH20/7 type electric ball valve, and is suitable for occasions with explosion hazards of gas and coal dust
In this embodiment, the water supply main 6 is connected with a fire fighting pipeline under a mine.
In this embodiment, the mining multi-parameter wireless sensor 5 selects a GD7 type mining multi-parameter wireless sensor, and can simultaneously measure seven parameters of oxygen concentration, carbon monoxide concentration, carbon dioxide concentration, methane concentration, ambient wind pressure, ambient temperature, and ambient humidity.
In the embodiment, the intrinsically safe smoke sensor 3 for the mine is a GQQ5 (A) type intrinsically safe smoke sensor for the mine, the video sensor 4 for the mine is a GHG5 video sensor for the mine, and the sensors have unique waterproof and dustproof structural designs, cannot be interfered by water vapor and dust in the mine and have high accuracy.
In the embodiment, the automatic back-flushing type water filter 9 is an SKFL-50/6.5 type automatic back-flushing type water filter which has high pressure resistance, is connected with a fire pipeline under a mine through a water supply main pipe 6, can remove silt and suspended matters in water, and ensures that the water quality meets the requirement of dustproof water under the coal mine.
In the embodiment, XWT high-pressure type fine water mist spray heads are selected for the mining intrinsic safety type fine water mist spray heads 8, the water pressure is 1Mpa to 4Mpa, the water consumption of a single mining intrinsic safety type fine water mist spray head 8 is 2L/min, one fine water mist fire extinguishing and cooling device is provided with three water supply branch pipes 7, 10 mining intrinsic safety type fine water mist spray heads 8 are arranged on one water supply branch pipe 7, 30 mining intrinsic safety type fine water mist spray heads 8 are formed, three layers of water curtains are formed after water supply is started, the water consumption of a water mist area is 60L/min, and fire disasters can be extinguished quickly and efficiently.
It should be noted that, by uniformly arranging the fire smoke sensing device and the water mist fire extinguishing and cooling device in the rubber belt transportation lane 2, the fire condition of the rubber belt transportation lane 2 can be detected and analyzed in real time, the information such as the temperature and the humidity of the rubber belt transportation lane 2 can be timely and accurately acquired, and the fire detection, prevention and control coverage range is wide;
through setting up thin water smoke atomizer, arrange water smoke pipeline and rubber belt conveyor perpendicularly, have mining ann's type thin water smoke shower nozzle 8 water supply branch pipe 7 branch multichannel distribution, can make the comburent fully thin and moist, combine conflagration flue gas perception device can realize better unmanned automatic fire extinguishing effect.
In this embodiment, the number of the monitoring hosts 1 is two, the two monitoring hosts 1 are respectively arranged at two sides of the belt transportation lane 2, one monitoring host 1 is electrically connected with the fire smoke sensing devices located at the same side of the monitoring host, and controls the electric water supply valves 10 at the same side of the monitoring host to work, and the two monitoring hosts 1 are in wireless communication with each other.
In this embodiment, the monitoring host 1 is a ZDC-7 type monitoring host, and when the fire smoke sensing device connected to one monitoring host 1 senses fire information, the monitoring host 1 transmits the information to the monitoring host on the other side through a wireless ad hoc network or a 485 bus network, and controls the electric water supply valves 10 on both sides to be opened simultaneously, so that the fire can be extinguished in real time and more efficiently. The monitoring host 1 can also feed back the information of the temperature, the humidity, the wind speed, the relative humidity after spraying and the like of the rubber belt conveying lane 2 acquired by the fire smoke sensing device to the ground through a mine communication network.
In this embodiment, the mining intrinsically safe water mist spray heads 8 on the plurality of water supply branch pipes 7 are arranged in a staggered quincuncial manner.
It should be noted that the plum blossom-shaped staggered arrangement of the mining intrinsic safety type water mist nozzles 8 can ensure the uniformity of the spraying fire-extinguishing effect, the particle size of the mist droplets of the water mist is small, the relative surface area can reach 1700-5800 times of that of the common water droplets, more energy can be absorbed in the vaporization process, and a better cooling effect can be achieved. After vaporization, the volume expands dramatically, reducing the oxygen volume fraction and creating a barrier to the ingress of fresh air. After the fine water mist is condensed in the presence of cold, partial droplets with enough large particle size and impulse can reach the surface of a combustion object, so that the combustion object is fully fine and moist, and the hidden danger of the adhesive tape fire can be quickly inhibited and extinguished.
When the system is actually used, the mining intrinsic safety type smoke sensor 3, the mining video sensor 4 and the mining multi-parameter wireless sensor 5 work in real time, when the mining intrinsic safety type smoke sensor 3 and the mining multi-parameter wireless sensor 5 detect at least two early warning signals, the fact that a rubber belt of a rubber belt conveyor is heated possibly due to failure or friction and the like at the moment is shown to cause a fire, and the mining video sensor 4 can intelligently identify flames through the fire image identification method for video monitoring of the fire in a coal mine, for example, the invention patent with the patent number of CN 201811028243.0; the physical, chemical and biological signals captured by the fire smoke sensing device are converted into electric signals to be transmitted to the monitoring host 1, then the monitoring host 1 sends an instruction to start the corresponding electric water supply valve 10, water flows into the water supply main pipe 6 through the underground fire fighting pipeline, and the water flows to the mining intrinsic safety type fine water mist spray head 8 to spray water after being filtered by the automatic back-flushing type water quality filter 9, so that fire is extinguished at a fire point. The mining intrinsic safety type smoke sensor 3, the mining video sensor 4 and the mining multi-parameter wireless sensor 5 are matched for use, real-time, efficient and accurate fire prevention and extinguishment of the adhesive tape fire can be achieved, the fire extinguishing efficiency is improved to the maximum extent, and the danger is eliminated in the shortest time.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (3)
1. The utility model provides a mine underground belt conveyor lane fire detection prevention and control system which characterized in that: the system comprises a monitoring host (1) and a plurality of fire detection control units which are electrically connected with the monitoring host (1), wherein the fire detection control units are uniformly distributed along the length direction of a rubber belt conveying roadway (2); the fire detection control unit comprises two fire smoke sensing devices respectively arranged at two sides of the rubber belt conveying lane (2) and a water mist fire extinguishing and cooling device crossing the rubber belt conveying lane (2);
the fire smoke sensing device comprises a mining intrinsic safety type smoke sensor (3), a mining video sensor (4) and a mining multi-parameter wireless sensor (5), wherein a camera of the mining video sensor (4) is installed towards a rubber belt conveyor in the rubber belt conveying roadway (2);
thin water smoke heat sink of putting out a fire includes that two divide establish water supply house steward (6) and a plurality of water supply branch pipe (7) of connecting between two water supply house steward (6) of two group in rubber belt transportation lane (2), water supply branch pipe (7) set up at rubber belt transportation lane (2) top, evenly install a plurality of mining this ampere of type thin water smoke shower nozzles (8) on water supply branch pipe (7), install automatic back flush formula water filter (9) and electronic water supply valve (10) along the water supply direction in proper order on water supply branch pipe (7).
2. The fire detection, prevention and control system for the belt conveyor roadway under the mine as claimed in claim 1, wherein: the number of the monitoring hosts (1) is two, the two monitoring hosts (1) are respectively arranged on two sides of the rubber belt conveying roadway (2), one monitoring host (1) is electrically connected with the fire smoke sensing devices positioned on the same side of the monitoring host, the electric water supply valves (10) on the same side of the monitoring host are controlled to work, and the two monitoring hosts (1) are in wireless communication with each other.
3. The fire detection, prevention and control system for the belt conveyor roadway under the mine as claimed in claim 1, wherein: the mining intrinsic safety type water mist spray heads (8) on the plurality of water supply branch pipes (7) are arranged in a staggered plum blossom shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222187353.XU CN218046254U (en) | 2022-08-18 | 2022-08-18 | Fire detection, prevention and control system for underground belt transportation roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222187353.XU CN218046254U (en) | 2022-08-18 | 2022-08-18 | Fire detection, prevention and control system for underground belt transportation roadway |
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| CN218046254U true CN218046254U (en) | 2022-12-16 |
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| CN202222187353.XU Active CN218046254U (en) | 2022-08-18 | 2022-08-18 | Fire detection, prevention and control system for underground belt transportation roadway |
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- 2022-08-18 CN CN202222187353.XU patent/CN218046254U/en active Active
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