Mining pressure water curtain explosive-proof device

Abstract

The utility model discloses a mining pressure water curtain explosion-proof device which comprises a plurality of first water pipes which are of an n-shaped structure and are evenly distributed and installed in the direction of a roadway, the tops of every two adjacent first water pipes are connected through a second water pipe, and each first water pipe is evenly provided with a plurality of sprayers to form an explosion-proof area. A water inlet of the first water pipe is connected with one end of a hose, the other end of the hose is connected with a fire fighting pipeline, a filter, an electromagnetic valve and a booster pump are sequentially installed on the hose in the water flow direction, the electromagnetic valve and the booster pump are electrically connected with the control box through circuits, and the control box is electrically connected with the two sensing assemblies through circuits. The two sensing assemblies are distributed on the front side and the rear side of the explosion-proof area respectively. The explosion-proof device has the advantages that the explosion-proof device can be triggered in advance through the sensing assembly, a long-distance, full-section and high-pressure continuously-sprayed explosion-proof water curtain with a fire-retardant angle is formed in advance, the explosion-proof water curtain waits for explosive shock waves, and the explosion-proof effect is better achieved.

Description

Technical field:

[0001] The utility model relates to the technical field of underground explosion isolation, in particular to a pressure water curtain explosion isolation device for mining. Background technology:

[0002] Underground explosion-proof technology is a safety measure invented to prevent the spread of underground disasters and prevent secondary explosions. At present, the more commonly used underground explosion-proof technology is to hang multiple sets of explosion-proof water bags. Under the action of the explosion shock wave, the water in the explosion-proof water bags is sprinkled and forms water mist under the action of high temperature, which reduces the temperature of the explosion flame and the oxygen content in the air. It can prevent the spread of disasters to a certain extent. However, since it requires a certain amount of startup time, it cannot be prepared in advance. At the same time, the water mist formed has low intensity, short existence time, and low reliability, and cannot effectively and timely prevent the spread of underground disasters. Utility model content:

[0003] The purpose of the utility model is to provide a pressure water curtain explosion-proof device for mining, so as to solve the problems raised in the above background technology.

[0004] The utility model is implemented by the following technical solutions:

[0005] A pressure water curtain explosion-proof device for mining includes a first water pipe, a second water pipe, a nozzle, a hose, a fire-fighting pipeline, a filter, a solenoid valve, a booster pump, a control box and a sensor assembly; multiple first water pipes are arranged in a "冂" structure and are evenly distributed along the direction of the tunnel; the tops of two adjacent first water pipes are connected by a second water pipe; multiple nozzles are evenly installed on each first water pipe to form an explosion-proof zone; the water inlet of the first water pipe is connected to one end of the hose, and the other end of the hose is connected to the fire-fighting pipeline; a filter, a solenoid valve and a booster pump are sequentially installed on the hose along the direction of water flow; the solenoid valve and the booster pump are respectively electrically connected to the control box through lines; the control box is respectively electrically connected to two sensor assemblies through lines; the two sensor assemblies are respectively distributed on the front and back sides of the explosion-proof zone.

[0006] Preferably, the distance between two adjacent first water pipes is 1 m, the distance between the two farthest first water pipes is greater than 30 m, and the top of the first water pipe is greater than 0.1 m from the tunnel roof.

[0007] Preferably, the sensing assembly includes a flame sensor and a pressure sensor; the flame sensor and the pressure sensor are electrically connected to the control box through lines, respectively.

[0008] The utility model discloses a long distance, full section and high pressure continuous spraying explosion-proof water curtain with fire resistance angle is formed in advance, and the explosion-proof effect is better, thereby controlling disaster expansion and spread. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the main structure side view of the utility model;

[0010] Figure 2 It is the main view of Figure 1 ;

[0011] Figure 3 It is control flow chart.

[0012] In the drawing: 1, first water pipe, 2, second water pipe, 3, spray head, 4, hose, 5, fire control pipeline, 6, filter, 7, electromagnetic valve, 8, booster pump, 9, control box, 10, sensing assembly, 10.1, flame sensor, 10.2, pressure sensor. DETAILED DESCRIPTION

[0013] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0014] Please refer to Figures 1-3 , the utility model provides a kind of mine pressure water curtain explosion-proof device technical scheme:

[0015] The utility model provides a mine pressure water curtain explosion isolation device, including first water pipe 1, second water pipe 2, shower nozzle 3, hose 4, fire control pipeline 5, filter 6, electromagnetic valve 7, booster pump 8, control box 9 and sensor assembly 10, first water pipe 1 structure is even with the distribution installation along the lane trend and is connected between the top of two first water pipes 1 of adjacent two first water pipes 1 through second water pipe 2, even install a plurality of shower nozzle 3 on each first water pipe 1 and form the explosion isolation zone, realize full section spraying, the water inlet of first water pipe 1 is connected with one end of hose 4, the other end of hose 4 is connected with fire control pipeline 5, filter 6, electromagnetic valve 7 and booster pump 8 are installed in order along the water flow direction on hose 4, electromagnetic valve 7 and booster pump 8 are electrically connected through line with control box 9 respectively, control box 9 is electrically connected through line with two sensor assemblies 10 respectively through line, according to the propagation speed of high temperature flame when coal dust explosion is 610-1800m / s, the speed of shock wave when coal dust explosion is 2340m / s, the time of spraying into mist is less than 100ms, calculate that sensor assembly 10 distance is 234m when spraying can form atomization, finally two sensor assemblies 10 are distributed at 300m places of two sides before and after explosion isolation zone respectively.

[0016] The distance between the two adjacent first water pipes 1 is 1m, the distance between the two farthest first water pipes 1 is greater than 30m, and the distance between the top of the first water pipe 1 and the roof of the roadway is greater than 0.1m; the angle of the shower nozzle 3 is set to 45° against the wind, which can effectively block the flame.

[0017] When the disaster spreads through the sensor assembly 10, the sensor assembly 10 transmits the sensed data to the control box 9, the control box 9 controls the electromagnetic valve 7 and the booster pump 8 to open after receiving the signal, so that the water in the fire control pipeline 5 flows into the first water pipe 1 after being filtered by the filter 6, and finally sprays out through the shower nozzle 3, forming a full-section water curtain, waiting for the arrival of the explosion shock wave, and better playing the explosion isolation effect, so as to control the expansion and spread of the disaster.

[0018] The above description is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pressure water curtain explosion-proof device for mining, characterized by: It includes a first water pipe (1), a second water pipe (2), a sprinkler head (3), a hose (4), a fire pipeline (5), a filter (6), a solenoid valve (7), a booster pump (8), a control box (9) and a sensing component (10); multiple said first water pipes (1) are structured in a "冂" shape and are evenly distributed and installed along the roadway direction. The tops between two adjacent said first water pipes (1) are connected by the second water pipe (2). A plurality of sprinkler heads (3) are evenly installed on each said first water pipe (1) to form an explosion isolation area. The water inlet of the first water pipe (1) is connected to one end of the hose (4), and the other end of the hose (4) is connected to the fire pipeline (5). A filter (6), a solenoid valve (7) and a booster pump (8) are sequentially installed on the hose (4) along the water flow direction. The solenoid valve (7) and the booster pump (8) are electrically connected to the control box (9) through wires respectively. The control box (9) is electrically connected to two sensing components (10) through wires respectively. The two sensing components (10) are respectively distributed on the front and back sides of the explosion isolation area.

2. The pressure water curtain explosion-proof device for mining according to claim 1, characterized in that: The distance between two adjacent said first water pipes (1) is 1 m, the distance between the two farthest said first water pipes (1) is greater than 30 m, and the top of the first water pipe (1) is more than 0.1 m away from the roadway roof.

3. The pressure water curtain explosion-proof device for mining according to claim 1, characterized in that: The sensing component (10) includes a flame sensor (10.1) and a pressure sensor (10.2); the flame sensor (10.1) and the pressure sensor (10.2) are electrically connected to the control box (9) through wires respectively.

Images