Fire-fighting device for standardized mine tunnel for green mining of coal mine

Abstract

The utility model discloses a fire-fighting device for a standardized mine tunnel for green mining of a coal mine, which comprises two groups of water collecting tanks, the water collecting tanks are connected with drain valves, a filter screen and a filter plate are sequentially connected in the water collecting tanks, the two groups of water collecting tanks are connected through a connecting pipe, the two groups of water collecting tanks are connected with a mine tunnel mounting frame, and the mine tunnel mounting frame is connected with a support. A temperature sensor, a smoke sensor and a gas sensor are connected to the support, a sprayer is connected to the inner side of the mine mounting frame, a ladder stand is connected into the mine mounting frame, a water tank and a control assembly are arranged on one side of the mine mounting frame, and the water tank is connected with the sprayer through a water supply pump and connected with a set of water collecting tanks through a water return pump. The device has the beneficial effects of high automation degree; the fire extinguishing coverage range is wide; water resources are reasonably utilized; and maintenance and operation are convenient.

Description

Technical Field

[0001] This utility model relates to the technical field of safety equipment for coal mining, specifically to a fire-fighting device for standardized mine tunnels used in green coal mining. Background Technology

[0002] Currently, existing coal mine fire-fighting equipment on the market suffers from numerous problems that urgently need to be addressed. Most fire-fighting devices have relatively simple structural designs and low levels of automation, often relying on manual operation in response to fires. However, in the complex and ever-changing environment of underground coal mines, the speed of manual response is insufficient to meet the timeliness requirements of emergency fire handling. Once a fire breaks out, it is impossible to react effectively and launch firefighting operations immediately, thus missing the best opportunity to extinguish the fire. Furthermore, some fire-fighting devices have limited fire-fighting coverage, only protecting certain areas within the mine tunnel, failing to achieve comprehensive, blind-spot-free coverage of the entire tunnel. This allows fires in uncovered areas to easily spread and expand, increasing the difficulty of firefighting.

[0003] Furthermore, traditional fire-fighting equipment has significant shortcomings in water resource utilization. Water resources in coal mines are unevenly distributed and have complex quality. Traditional equipment fails to fully consider this unique situation, making it impossible to utilize limited water resources rationally and efficiently. On the one hand, excessive water extraction may lead to water waste; on the other hand, unreasonable water extraction methods may introduce impurities, affecting fire-fighting effectiveness and even damaging the fire-fighting equipment itself. In conclusion, developing a standardized fire-fighting system for green coal mining tunnels that can automatically sense fires, efficiently extinguish fires, and rationally utilize water resources has become a crucial issue urgently needing to be addressed in the field of coal mine safety production. Summary of the Invention

[0004] The purpose of this utility model is to provide a fire-fighting device for standardized mine tunnels in green coal mining, so as to effectively solve the problems of transportation stability, space utilization and fixation, and lack of protection for precision components.

[0005] To achieve the above objectives, the present invention employs the following technical means:

[0006] A fire-fighting device for standardized coal mine tunnels in green mining includes two symmetrically distributed water collection tanks. A drain valve is connected to one side of each water collection tank. A filter screen and a filter plate are sequentially connected from top to bottom within the top of each water collection tank. The two sets of water collection tanks are connected by a connecting pipe. A mine tunnel mounting frame is connected to the top of the two sets of water collection tanks. Supports are connected to the top of both sides of the inside of the mine tunnel mounting frame. A temperature sensor, a smoke sensor, and a gas sensor are connected to the bottom of each support. Multiple evenly distributed nozzles are connected to the top of the inside of the mine tunnel mounting frame. Ladders are connected to both sides inside the frame. A water tank and control components are provided on one side of the mine tunnel installation frame. The water tank is connected to the nozzles via a water supply pump and to a set of water collection tanks via a return pump. The control components include a control switch, a power module, and a PLC controller. The drain valve, water supply pump, return pump, and PLC controller are respectively connected to the power module, which is connected to an external power source. The drain valve, temperature sensor, smoke sensor, gas sensor, water supply pump, return pump, and control switch are respectively connected to the PLC controller.

[0007] Preferably, a water level gauge is connected inside the water collection tank, and the water level gauge is connected to a PLC controller.

[0008] Preferably, the filter plate is a filter cotton product.

[0009] Preferably, the filter screen is made of stainless steel.

[0010] Preferably, the nozzle is a rotary atomizing nozzle.

[0011] Preferably, the top of the water tank is connected to a water inlet cap.

[0012] Preferably, the side of the water tank is connected to an observation window.

[0013] Preferably, a water level gauge is connected inside the water tank, and the water level gauge is connected to a PLC controller.

[0014] Preferably, the control component includes a control box, a box door hinged to the control box, a power module and a PLC controller housed inside the control box and connected to the control box, and a control switch embedded in the box door. Beneficial effects

[0015] 1. This utility model features a high degree of automation. The device is equipped with temperature, smoke, and gas sensors, enabling real-time monitoring of environmental parameters within the mine tunnel. If any data anomalies occur, the PLC controller automatically activates the water pump without manual intervention, and the sprinklers immediately spray water to extinguish the fire, ensuring a rapid response and timely handling of any fire.

[0016] 2. This utility model has a wide fire extinguishing coverage. The rotating atomizing nozzle used can rotate 360 ​​degrees and atomize water. This design effectively expands the fire extinguishing coverage, providing comprehensive fire protection for different areas of the mine tunnel and greatly improving the fire extinguishing effect.

[0017] 3. This utility model makes rational use of water resources. Water collected after firefighting and seepage water from the mine tunnels is collected in a collection trough, filtered through a filter screen and filter plate, and then pumped back to a water tank for recycling. This design achieves efficient use of water resources, reduces waste, and adapts to the complex water resource conditions in underground coal mines.

[0018] 4. This utility model is easy to maintain and operate. A ladder is installed inside the mine tunnel mounting frame, facilitating routine maintenance by staff. The control components include a control box with a door; the control switch is embedded in the door, facilitating operation and protecting internal components. The water tank is equipped with a water replenishment cover and an observation window for easy water replenishment and level monitoring. Level gauges are installed in both the water collection trough and the water tank for real-time water level monitoring, ensuring normal operation of the device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the water collection tank of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the bracket of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the mine tunnel installation frame of this utility model;

[0024] Figure 5 This is a structural schematic diagram of the water tank of this utility model;

[0025] Figure 6 This is a cross-sectional view of the water tank of this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the control component of this utility model;

[0027] The attached figures are labeled as follows:

[0028] 1. Water collection tank; 2. Drain valve; 3. Water tank level gauge; 4. Filter plate; 5. Filter screen; 6. Connecting pipe; 7. Mine tunnel mounting frame; 8. Bracket; 9. Temperature sensor; 10. Smoke sensor; 11. Gas sensor; 12. Nozzle; 13. Ladder; 14. Water tank; 15. Water supply cover; 16. Observation window; 17. Water tank level gauge; 18. Water supply pump; 19. Water return pump; 20. Control components; 201. Control box; 202. Box door; 203. Control switch; 204. Power module; 205. PLC controller. Detailed Implementation

[0029] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1

[0032] like Figure 1-7As shown, a fire-fighting device for standardized coal mine tunnels in green mining includes two symmetrically distributed water collection tanks 1. A drain valve 2 is connected to one side of each water collection tank 1. A filter screen 5 and a filter plate 4 are connected sequentially from top to bottom inside the water collection tank 1. The two water collection tanks 1 are connected by a connecting pipe 6. A mine tunnel mounting frame 7 is connected to the top of the two water collection tanks 1. Supports 8 are connected to the top of the two sides inside the mine tunnel mounting frame 7. A temperature sensor 9, a smoke sensor 10, and a gas sensor 11 are connected to the bottom of the support 8. Multiple evenly distributed nozzles 12 are connected to the top of the inner side of the mine tunnel mounting frame 7. Ladders 13 are connected to the two sides inside the mine tunnel mounting frame 7. A water tank 14 and a control component 20 are provided on one side of the mine tunnel installation frame 7. The water tank 14 is connected to the nozzle 12 through the water supply pump 18 and the water tank 14 is connected to a set of water collection tanks 1 through the return water pump 19. The control component 20 includes a control switch 203, a power module 204, and a PLC controller 205. The drain valve 2, the water supply pump 18, the return water pump 19, and the PLC controller 205 are respectively connected to the power module 204. The power module 204 is connected to an external power source. The drain valve 2, the temperature sensor 9, the smoke sensor 10, the gas sensor 11, the water supply pump 18, the return water pump 19, and the control switch 203 are respectively connected to the PLC controller 205.

[0033] Working principle:

[0034] This fire-fighting device is installed in the standardized mine tunnels used for green coal mining. Temperature sensor 9, smoke sensor 10, and gas sensor 11 monitor the temperature, smoke concentration, and combustible gas concentration in the mine tunnel in real time and transmit the data to PLC controller 205.

[0035] When the detected parameter exceeds the preset threshold, the PLC controller 205 controls the water supply pump 18 to start. The water in the water tank 14 is transported to the nozzle 12 through the water supply pump 18. The rotating atomizing nozzle 12 atomizes the water and sprays it out in a 360-degree rotation to extinguish the fire in the mine tunnel.

[0036] Water from fire extinguishing and seepage in the mine flows into the collection tank 1. It first undergoes preliminary filtration through the filter screen 5 to intercept larger particles, and then further filtration through the filter plate 4 to remove finer impurities. When the water level in the collection tank 1 reaches a certain height, a signal is sent to the PLC controller 205 via the control switch 203. The PLC controller 205 then activates the return water pump 19, which pumps the filtered water to the water tank 14, thus achieving water resource recycling.

[0037] Staff can perform routine inspections and maintenance on the device via ladder 13. If water in the collection tank 1 needs to be drained, a signal is sent to the PLC controller 205 via control switch 203, and the PLC controller 205 controls the drain valve 2 to open and drain the water. Example 2

[0038] like Figure 1-7 As shown, a fire-fighting device for standardized coal mine tunnels in green mining includes two symmetrically distributed water collection tanks 1. A drain valve 2 is connected to one side of each water collection tank 1. A filter screen 5 and a filter plate 4 are connected sequentially from top to bottom inside the water collection tank 1. The two water collection tanks 1 are connected by a connecting pipe 6. A mine tunnel mounting frame 7 is connected to the top of the two water collection tanks 1. Supports 8 are connected to the top of the two sides inside the mine tunnel mounting frame 7. A temperature sensor 9, a smoke sensor 10, and a gas sensor 11 are connected to the bottom of the support 8. Multiple evenly distributed nozzles 12 are connected to the top of the inner side of the mine tunnel mounting frame 7. Ladders 13 are connected to the two sides inside the mine tunnel mounting frame 7. A water tank 14 and a control component 20 are provided on one side of the mine tunnel installation frame 7. The water tank 14 is connected to the nozzle 12 through the water supply pump 18 and the water tank 14 is connected to a set of water collection tanks 1 through the return water pump 19. The control component 20 includes a control switch 203, a power module 204, and a PLC controller 205. The drain valve 2, the water supply pump 18, the return water pump 19, and the PLC controller 205 are respectively connected to the power module 204. The power module 204 is connected to an external power source. The drain valve 2, the temperature sensor 9, the smoke sensor 10, the gas sensor 11, the water supply pump 18, the return water pump 19, and the control switch 203 are respectively connected to the PLC controller 205.

[0039] A water level sensor 3 is connected inside the water collection tank 1, and the water level sensor 3 is connected to the PLC controller 205.

[0040] The advantages of the above settings are:

[0041] Optimized water resource recycling management: By monitoring the water level in the collection tank 1 in real time, the water level sensor 3 can promptly feed back the water level information to the PLC controller 205. When the water level reaches a certain height, it indicates that the collection tank 1 has collected enough water for recycling. At this time, the PLC controller 205 can precisely control the start of the return water pump 19 to deliver water to the water tank 14, ensuring the orderly operation of the water resource recycling process and avoiding recycling problems caused by insufficient or excessive water volume.

[0042] Preventing equipment malfunction: If the water level in the collection tank 1 is too high, it may cause water to overflow, damaging surrounding equipment or affecting the filtration function of the collection tank 1 itself. The water level gauge 3 and the PLC controller 205 work together. When the water level approaches the warning height, the PLC controller 205 can issue an alarm or take corresponding measures, such as accelerating the return water speed or opening the drain valve 2, to prevent the collection tank 1 from overflowing and ensure the stable operation of the entire fire protection system.

[0043] Improving system operating efficiency: With the help of real-time water level data provided by the water tank level gauge 3, the PLC controller 205 can flexibly adjust the operating parameters of various parts of the fire-fighting equipment. For example, it can reasonably control the operating frequency of the water supply pump 18 and the return pump 19 according to the water level, making the fire extinguishing and water circulation process more efficient and coordinated, and minimizing energy consumption while meeting fire extinguishing needs.

[0044] Filter plate 4 is made of filter cotton.

[0045] The advantages of the above settings are:

[0046] High-efficiency fine filtration: The filter cotton has an extremely dense fiber structure, which can effectively intercept fine impurities such as coal dust particles and mineral debris in the water collected in the water tank 1 after fire extinguishing and the seepage water in the mine tunnel. If these impurities enter the subsequent circulation system, they may clog pipes, damage the water supply pump 18 and the sprinkler head 12, and affect the normal operation of the fire-fighting equipment. The filter cotton can achieve deep purification and ensure the cleanliness of the circulating water.

[0047] Excellent adsorption performance: Filter cotton not only filters solid particles, but also has a certain adsorption capacity for pollutants such as oil and microorganisms that may be present in the water. The underground environment of coal mines is complex, and various impurities may be mixed in the water. Filter cotton can adsorb some harmful substances, further improving water quality and ensuring that the water in the return water tank 14 meets the standards for fire extinguishing, avoiding a reduction in fire extinguishing effectiveness due to water quality issues.

[0048] Lightweight and low-cost material: Compared to some metal or ceramic filter materials, filter cotton is lighter, making it easier to install and replace. In the confined spaces of underground coal mines, the ease of installation and operation of filter cotton reduces the labor intensity and difficulty for workers. At the same time, the low cost of filter cotton reduces maintenance costs and improves economic efficiency, especially considering the need for regular replacement of filter plates 4 to maintain filtration effectiveness.

[0049] High adaptability: The filter cotton can adapt to the complex environment of damp and dusty underground coal mines, and is not easily corroded by chemicals such as acids and alkalis, exhibiting good stability. Even under long-term contact with mine water, it can maintain good filtration performance, ensuring the long-term stable operation of fire-fighting equipment and providing continuous and reliable protection for mine fire safety.

[0050] Filter screen 5 is made of stainless steel.

[0051] The advantages of the above settings are:

[0052] High strength and durability

[0053] Stainless steel has high strength and hardness, enabling it to withstand the pressure of water in the collection tank 1 and the impact of impurities in the water flow, without easily deforming or being damaged. In the complex environment of a coal mine, whether it is normal water flow filtration or a large flow of water passing through during firefighting operations, the stainless steel filter screen 5 can maintain a stable structure, ensuring the continuous effectiveness of the filtration function.

[0054] Its strong corrosion resistance is a significant advantage. Water in coal mines typically contains various minerals and chemicals, making it corrosive. The stainless steel filter screen 5 can resist these corrosive substances, extending its service life, reducing the frequency of replacement due to filter screen 5 damage, and lowering maintenance costs and workload.

[0055] Good filtration performance

[0056] Stainless steel can be made into filter screens 5 with different pore sizes and mesh counts, which can precisely control the filtration accuracy according to actual needs, effectively intercept larger impurities in the mine water, such as coal slag and stones, reduce the burden on the subsequent fine filtration of filter plates 4, and ensure the efficient operation of the entire filtration system.

[0057] The stainless steel filter screen 5 has uniform mesh size and is not easily deformed, which can ensure the uniformity of filtration. This ensures that the filtration effect is consistent in all parts when water flows through the filter screen 5, avoiding local filtration failure or impurity leakage.

[0058] Easy to clean and maintain

[0059] The stainless steel surface is smooth, making it difficult for impurities to adhere. Even if a large amount of impurities are intercepted during the use of filter screen 5, it is relatively easy to clean. Workers can easily remove impurities from filter screen 5 through simple rinsing or wiping, restoring its filtration performance and ensuring the normal operation of the fire-fighting equipment.

[0060] Compared to filter screens made of other materials, stainless steel filter screens are less prone to damage during cleaning and their performance will not decline due to cleaning operations, making daily maintenance and upkeep easier.

[0061] High temperature resistance and fire resistance

[0062] Underground coal mines may present high-temperature environments or fire risks. Stainless steel has excellent high-temperature resistance and will not melt or deform like some plastic or other materials under high-temperature conditions. It can maintain its structural integrity and filtration function, ensuring that the filtration system can still work normally in emergency situations such as fires, and providing a guarantee for the recycling of fire-fighting water.

[0063] Stainless steel itself is non-combustible and has fire-resistant properties. In flammable and explosive environments such as coal mines, it can reduce the risk of fire caused by the material of the filter screen and improve the safety of the entire fire protection system.

[0064] Nozzle 12 is a rotating atomizing nozzle.

[0065] The advantages of the above settings are:

[0066] In terms of fire extinguishing efficiency

[0067] Large coverage area: Rotary atomizing nozzles can rotate at a certain angle and radius during operation, causing the sprayed water mist to form a large circular or fan-shaped coverage area. Compared with ordinary nozzles, it can spray water mist evenly over a wider range, reducing blind spots in fire suppression, more effectively covering the fire-affected area, and improving fire suppression effectiveness.

[0068] Enhanced fire extinguishing effect: The rotating atomizing nozzle atomizes water into tiny droplets, greatly increasing the contact area between water and air. This allows the droplets to absorb heat more effectively, rapidly reducing the surface temperature of the burning material and achieving rapid cooling. Simultaneously, the large number of tiny droplets tightly surround the burning material, effectively isolating it from air and blocking the oxygen supply for combustion, thus achieving rapid fire extinguishing.

[0069] Water resource utilization

[0070] Improved water utilization: Because the rotating atomizing nozzle sprays a uniform and fine water mist, the water droplets can act more precisely on the burning material, reducing water waste. Compared to traditional large water jet nozzles, it can achieve wider and more uniform coverage with the same amount of water, ensuring that every drop of water plays its full role in extinguishing the fire, thus improving the efficiency of water resource utilization, which is of great significance in environments where water resources are relatively scarce.

[0071] Water cost savings: While ensuring fire extinguishing effectiveness, the rotating atomizing nozzle can achieve better fire extinguishing effect with less water, thereby reducing the total amount of fire fighting water and saving costs in water intake, water transportation and water treatment. For long-term fire fighting operations, this can effectively reduce cost expenditures.

[0072] Protecting equipment and the environment

[0073] Reduced equipment damage: The rotating atomizing nozzle sprays a fine water mist, which has less impact on equipment and objects compared to a jet of water. When extinguishing electrical fires or protecting precision equipment, it can minimize equipment damage caused by water impact while extinguishing the fire, reducing post-fire repair costs and losses.

[0074] Reduced environmental impact: Atomized water evaporates more quickly after extinguishing a fire, avoiding the severe water pollution that can occur with large amounts of standing water. This facilitates rapid cleanup and restoration of the fire scene. Furthermore, the smaller water droplets reduce erosion and damage to soil and vegetation, contributing to the protection of the surrounding ecosystem.

[0075] Applicable scenarios

[0076] Adaptable to various fire types: Rotary atomizing nozzles are suitable for extinguishing solid fires, such as those involving wood and paper, as well as effectively suppressing liquid and electrical fires. Their atomization effect and rotating coverage characteristics allow them to perform well in different types of fire scenarios, making them highly versatile.

[0077] Flexible application in different spaces: Whether in open indoor spaces or in relatively narrow or complex environments, rotating atomizing nozzles can adapt to different spatial layouts and fire situations by adjusting parameters such as rotation angle and spray pressure. For example, in some large warehouses, workshops, or underground parking lots, they can effectively carry out fire prevention and control according to the actual size and structure of the space. Example 3

[0078] like Figure 1-7 As shown, a fire-fighting device for standardized coal mine tunnels in green mining includes two symmetrically distributed water collection tanks 1. A drain valve 2 is connected to one side of each water collection tank 1. A filter screen 5 and a filter plate 4 are connected sequentially from top to bottom inside the water collection tank 1. The two water collection tanks 1 are connected by a connecting pipe 6. A mine tunnel mounting frame 7 is connected to the top of the two water collection tanks 1. Supports 8 are connected to the top of the two sides inside the mine tunnel mounting frame 7. A temperature sensor 9, a smoke sensor 10, and a gas sensor 11 are connected to the bottom of the support 8. Multiple evenly distributed nozzles 12 are connected to the top of the inner side of the mine tunnel mounting frame 7. Ladders 13 are connected to the two sides inside the mine tunnel mounting frame 7. A water tank 14 and a control component 20 are provided on one side of the mine tunnel installation frame 7. The water tank 14 is connected to the nozzle 12 through the water supply pump 18 and the water tank 14 is connected to a set of water collection tanks 1 through the return water pump 19. The control component 20 includes a control switch 203, a power module 204, and a PLC controller 205. The drain valve 2, the water supply pump 18, the return water pump 19, and the PLC controller 205 are respectively connected to the power module 204. The power module 204 is connected to an external power source. The drain valve 2, the temperature sensor 9, the smoke sensor 10, the gas sensor 11, the water supply pump 18, the return water pump 19, and the control switch 203 are respectively connected to the PLC controller 205.

[0079] A water inlet cap 15 is connected to the top of the water tank 14.

[0080] The advantages of the above settings are:

[0081] Convenient water replenishment: The water replenishment cover 15 is located on top of the water tank 14, in a prominent and easy-to-operate position. When the water level gauge 17 detects that the water level is too low, or when insufficient water is found during routine maintenance and inspection of the device, the staff can easily open the water replenishment cover 15 and directly add water to the water tank 14 through the top opening. This eliminates the need for complicated pipes or tools, greatly improving water replenishment efficiency and ensuring that the water tank 14 can be replenished in a timely manner to maintain the normal operation of the fire-fighting device.

[0082] Convenient maintenance: When the inside of the water tank 14 needs to be cleaned or inspected regularly, the water inlet cover 15 can serve as a convenient entry point. Personnel can enter the water tank 14 through this opening to clean impurities and scale adhering to the inner wall of the water tank 14, check for damage to the internal structure of the water tank 14, and complete maintenance work conveniently and quickly, ensuring the water storage function and water quality of the water tank 14, thereby ensuring the stable operation of the fire-fighting equipment.

[0083] Preventing contamination: The water supply cap 15 typically features a sealing device, remaining tightly closed under normal conditions to effectively prevent external dust, debris, insects, and other contaminants from entering the water tank 14. The underground environment of coal mines is dusty; if impurities enter the water tank 14, they may clog the nozzles 12, affect water quality, and reduce firefighting effectiveness. The sealing design of the water supply cap 15 provides reliable protection for the water inside the water tank 14, maintaining optimal water storage conditions.

[0084] Safety Assurance: The top water inlet cover 15 avoids the potential safety hazards associated with opening water inlets on the side or bottom of the water tank 14. Side or bottom openings could leak due to water pressure, impacts, or other factors, affecting the normal operation of the fire-fighting equipment and potentially causing accidents. The top water inlet cover 15 effectively mitigates these risks, ensuring the safe and stable operation of the fire-fighting equipment in the complex environment of underground coal mines.

[0085] An observation window 16 is connected to the side of the water tank 14.

[0086] The advantages of the above settings are:

[0087] Real-time water level monitoring: The observation window 16 allows staff to visually observe the water level in the water tank 14 at any time without opening it. The underground working environment in coal mines is complex, and fire-fighting equipment must maintain a sufficient water supply at all times. Through the observation window 16, staff can quickly check the water level as they pass by. If an abnormal water level is detected, timely water replenishment measures can be taken to ensure that the equipment can supply water normally for firefighting in the event of a fire.

[0088] Preliminary water quality inspection: In addition to the water level, the observation window 16 also allows staff to conduct a preliminary observation of the water quality in the water tank 14. If abnormal water color or suspended matter is found, it can be determined in time whether the water quality is polluted, so that the water tank 14 can be cleaned or the water quality problem can be dealt with in a timely manner, ensuring that the sprayed water will not cause secondary pollution to the mine equipment and environment, and at the same time ensuring that the fire extinguishing effect is not affected by the water quality.

[0089] Assisted troubleshooting: When the fire-fighting equipment experiences malfunctions such as abnormal water supply, the observation window 16 can assist staff in troubleshooting the problem. For example, if the sprinkler head 12 is not discharging water, the water level in the water tank 14 can be checked through the observation window 16. If the water level is normal, it can be preliminarily determined that the fault may not be at the water source, thus narrowing down the scope of troubleshooting, improving the efficiency of troubleshooting, enabling maintenance personnel to locate and resolve the problem more quickly, and reducing the downtime of the equipment.

[0090] Convenient and intuitive maintenance: During routine maintenance of water tank 14, the observation window 16 helps staff understand the internal condition of water tank 14, such as whether there is rust or damaged parts. Frequent opening of water tank 14 for inspection is unnecessary, reducing maintenance workload and impacting the water tank 14's sealing performance, ensuring long-term stable operation of water tank 14. At the same time, intuitive observation allows for better recording of water tank 14's condition, providing a reference for subsequent maintenance plans.

[0091] A water level sensor 17 is connected inside the water tank 14, and the water level sensor 17 is connected to the PLC controller 205.

[0092] The advantages of the above settings are:

[0093] Precise monitoring and control

[0094] Real-time and accurate monitoring: The water level gauge 17 can monitor the water level changes in the water tank 14 in real time and accurately, converting the water level information into data such as electrical signals. Compared with manual visual inspection methods such as through the observation window 16, the water level gauge 17 can be accurate to the specific liquid level value, providing the system with accurate water level data, enabling staff to have a more precise understanding of the water level in the water tank 14.

[0095] Automatic water replenishment control: After connecting to the PLC controller 205, when the water level sensor 17 detects that the water level is lower than the set lower limit, it will transmit a signal to the PLC controller 205. Based on the received signal, the PLC controller 205 automatically activates the water replenishment device, such as opening the water replenishment valve, to achieve automatic water replenishment and ensure that the water tank 14 is always maintained within a suitable water level range, guaranteeing the reliable operation of the fire-fighting equipment. When the water level reaches the set upper limit, it automatically stops replenishing water to prevent water tank 14 from overflowing, causing waste and potential equipment damage.

[0096] Fault warning and safety assurance

[0097] Timely fault warning: If the water level in water tank 14 fluctuates abnormally, such as a rapid drop indicating a leak, or a failure to rise indicating a malfunction in the water replenishment system, the water level sensor 17 can detect this promptly and transmit the signal to the PLC controller 205. The PLC controller 205 can then link with other devices, such as issuing audible and visual alarms, to alert personnel to promptly investigate and address the fault, preventing the fire-fighting equipment from malfunctioning when needed due to water level issues in water tank 14.

[0098] Enhancing Safety Performance: In high-risk environments like coal mines, the reliability of fire-fighting equipment is paramount. Through the coordination of the water tank level gauge 17 and the PLC controller 205, the water level in water tank 14 is ensured to remain at a safe level. In the event of emergencies such as fires, the fire-fighting equipment has a sufficient water supply, improving the safety and reliability of the entire fire-fighting system and providing strong support for safe production in coal mines.

[0099] Data Recording and Analysis

[0100] Operational data recording: The water level data monitored by the water tank level gauge 17, as well as the interaction information with the PLC controller 205, can all be recorded by the system to form a detailed data record of the operating status of the water tank 14. This data can be saved as historical data to provide a basis for subsequent maintenance, management, and analysis.

[0101] Optimizing system operation: By analyzing this data, staff can understand the water replenishment frequency and water level change patterns of water tank 14, thereby optimizing the operation of the fire protection system. For example, the water replenishment strategy can be adjusted based on the data, maintenance plans can be arranged reasonably, or potential problems with water tank 14 and related equipment can be identified, allowing for proactive maintenance and replacement, thus improving the overall system's operating efficiency and lifespan.

[0102] Remote monitoring and management

[0103] Remote operation is possible: Through the connection of the PLC controller 205 with a host computer or remote monitoring system, the liquid level information of water tank 14 can be transmitted to the remote monitoring center in real time. Staff can view the liquid level of water tank 14 at any time from a monitoring room or other location far from water tank 14 via computer or mobile device, achieving remote monitoring. This is very convenient for managing multiple fire-fighting water tanks 14 that are widely distributed in coal mines, greatly improving management efficiency.

[0104] Centralized Management for Convenience: In addition to remote monitoring, centralized management of multiple water tanks 14 can also be achieved. Through the networking function of the PLC controller 205, the data of the level gauges 17 of each water tank are collected and processed centrally. Managers can monitor and control the water levels of all water tanks 14 on a single platform, which facilitates the overall planning of fire water sources, timely detection and handling of abnormal situations, and improves the management level of the entire coal mine fire protection system.

[0105] The control assembly 20 includes a control box 201, a box door 202 hinged to the control box 201, a power module 204 and a PLC controller 205 located inside the control box 201 and connected to the control box 201, and a control switch 203 embedded in and connected to the box door 202.

[0106] The advantages of the above settings are:

[0107] Protection and security

[0108] Internal component protection: The control box 201 provides physical protection for important internal components such as the power module 204 and PLC controller 205, preventing dust, moisture, and debris from entering and avoiding problems such as short circuits and damage caused by these factors. This extends the service life of the components and ensures stable operation of the control components. This protection is especially important in the complex underground environment of coal mines.

[0109] Operational safety assurance: Placing the power module 204 and PLC controller 205 inside the control box 201 isolates them from the outside environment, reducing the risk of accidental contact or misoperation. Internal components can only be operated or maintained by opening the box door 202, which is typically equipped with locks or other protective measures, further enhancing operational safety and reducing the possibility of equipment malfunction or safety accidents due to accidental operation.

[0110] Ease of operation and maintenance

[0111] Convenient operation control switch: The control switch 203 is embedded in the cabinet door 202, allowing the operator to operate the control switch 203 directly without opening the cabinet door 202. This enables convenient and quick operation of the equipment, such as starting, stopping, and switching modes, improving operating efficiency and facilitating rapid response in emergency situations.

[0112] Convenient internal maintenance: The cabinet door 202 is hinged to the control cabinet 201, allowing for easy inspection, replacement, and debugging of components such as the power module 204 and PLC controller 205 inside the control cabinet 201. Maintenance personnel have direct access to internal components, facilitating fault diagnosis, repair, and maintenance, thus reducing maintenance time and difficulty.

[0113] Layout rationality and aesthetics

[0114] Make good use of space: By centrally arranging the power supply module 204, PLC controller 205 and other components in the control box 201, it is beneficial to make reasonable planning and use of space, making the layout of the control components more compact and neat. This avoids problems such as messy wiring and large space occupation that may be caused by the dispersed arrangement of components, and improves the integration and space utilization of the entire control components.

[0115] Overall aesthetic appeal and neatness: This arrangement makes the control component 20 look more regular and beautiful. The control switch 203 is embedded in the box door 202, forming a whole with the control box 201, which is more visually coordinated and unified, enhancing the overall image of the equipment and meeting the requirements of the green mining standardization of coal mines for the appearance and layout of equipment.

[0116] Management and labeling clarity

[0117] Easy to identify and manage: As a whole, the control box 201 can be easily identified and labeled, such as marking the function of internal components, operating instructions, warning signs and other information on the surface of the box, so that operators and maintenance personnel can quickly identify and understand relevant information about the equipment, improving the convenience and accuracy of management.

[0118] Preventing misoperation and misconnection: By concentrating relevant components in a single enclosure and using a reasonable layout and labeling, it is possible to effectively prevent operators from making misoperations or misconnecting circuits during operation and maintenance. This improves the reliability and stability of equipment operation and reduces equipment failures and safety risks caused by operational errors.

[0119] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0120] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A fire extinguishing device for green mining of coal mines in a standardized mine tunnel, characterized in that, The utility model provides a mine water collecting tank, including two groups of symmetrical distribution water collecting tank (1), one side of water collecting tank (1) is connected with drain valve (2), the top of water collecting tank (1) is connected with filter screen (5) from top to bottom in proper order, filter plate (4), two groups water collecting tank (1) are connected through connecting pipe (6), and the top of two groups water collecting tank (1) is connected with mine installation frame (7), the top of both sides in mine installation frame (7) inside is connected with support (8) respectively, the bottom of support (8) is connected with temperature sensor (9), smoke sensor (10), gas sensor (11), the top of inside of mine installation frame (7) is connected with multiple groups of evenly distributed shower nozzle (12), both sides in the inside of mine installation frame (7) are connected with ladder (13) respectively, one side of mine installation frame (7) is equipped with water tank (14), control assembly (20), water tank (14) is connected with shower nozzle (12) through water supply pump (18), water tank (14) is connected with a group water collecting tank (1) through backwater pump (19), control assembly (20) includes control switch (203), power module (204), PLC controller (205), drain valve (2), water supply pump (18), backwater pump (19), PLC controller (205) are connected with power module (204) respectively, power module (204) is connected with external power supply, drain valve (2), temperature sensor (9), smoke sensor (10), gas sensor (11), water supply pump (18), backwater pump (19), control switch (203) are connected with PLC controller (205) respectively.

2. The fire extinguishing device for normalized mine tunnel of green mining of coal mine according to claim 1, characterized in that, Water tank (1) is connected with water tank liquid leveler (3), and water tank liquid leveler (3) is connected with PLC controller (205).

3. The fire extinguishing device for normalized mine tunnel of green mining of coal mine according to claim 1, characterized in that, The filter plate (4) is a filter cotton product.

4. The fire extinguishing device for normalized mine tunnels of green coal mining in coal mines according to claim 1, characterized in that, The filter screen (5) is a stainless steel product.

5. The fire extinguishing device for normalized mine tunnels of green coal mining in coal mines according to claim 1, characterized in that, The shower nozzle (12) is a rotary atomizing nozzle.

6. The fire extinguishing device for normalized mine tunnels of green coal mining in coal mines according to claim 1, characterized in that, The top of water tank (14) is connected with water replenishing cover (15).

7. The fire extinguishing device for normalized mine tunnels of green coal mining in mines according to claim 6, characterized in that, The side of water tank (14) is connected with observation window (16).

8. The fire extinguishing device for normalized mine tunnels of green coal mining in coal mines according to claim 7, characterized in that, Water tank (14) is connected with water tank liquid leveler (17) in, and water tank liquid leveler (17) is connected with PLC controller (205).

9. The fire extinguishing device for normalized mine tunnels of green coal mining according to claim 1, characterized in that, The control assembly (20) is equipped with control box (201), and the box door (202) is hinged to the control box (201), the power module (204), PLC controller (205) are arranged in the control box (201) and are connected with the control box (201), and the control switch (203) is inlaidly connected with the box door (202).

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