Mine conveyor belt fire release particle monitoring and early warning system

Abstract

The utility model relates to the technical field of mine safety, and particularly discloses a mine conveyor belt fire release particle monitoring and early warning system. The device comprises a rack, a belt conveyor, a control box, a smoke particle sensor and a temperature sensor, a central processing module, an alarm indicator lamp, a sounder and a cooling fan are arranged on the control box, and a nano particle conductivity sensor is arranged on the surface of a belt of the belt conveyor. And the central processing module is electrically connected with the smoke particle sensor, the temperature sensor and the nanoparticle conductivity sensor. Smoke particles above a rubber belt conveyor are monitored through a smoke particle sensor, the temperature of a contact point of a driving roller and a rubber belt is monitored through a temperature sensor, and particle change and temperature change in the rubber belt conveying process are monitored in real time by monitoring the conductivity condition of the surface of the rubber belt through a nano particle conductivity sensor. And the fire extinguishing device is started in time to release the fire extinguishing medium when the fire occurs, so that the monitoring accuracy of mine fire early warning is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine safety technical field especially relates to a kind of mine transport rubber belt fire release particle monitoring early warning system. BACKGROUND

[0002] To realize the efficient transportation of coal, belt conveyor is widely used in coal mine enterprises, in the working process of belt conveyor, usually because uneven stress leads to bearing and drum friction and heat accumulation, when continuous friction accumulates heat to reach the ignition point of rubber belt, it will cause rubber belt fire, so it is necessary to prevent the occurrence of fire in time.

[0003] Traditional mine fire detection method mainly includes temperature detection and smoke monitoring, but temperature detection can detect temperature anomaly when fire develops to a certain extent, and the reaction is relatively lagging, smoke monitoring is easily affected by the degree of mine ventilation, leading to false alarm or omission, affecting the accuracy of mine fire warning monitoring. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a kind of mine transport rubber belt fire release particle monitoring early warning system, to improve the accuracy of mine fire warning monitoring.

[0005] The technical scheme adopted by the utility model is:

[0006] A kind of mine transport rubber belt fire release particle monitoring early warning system, including rack, the rubber belt conveyor of being set on the rack, control box, the smoke particle sensor for detecting the smoke particle above the rubber belt conveyor and the temperature sensor for detecting the temperature of rubber belt, the smoke particle sensor is set in the both sides of the transport direction of rubber belt conveyor, the control box is provided with central processing module and alarm indicator, sounder and cooling fan electrically connected with central processing module, the surface of the rubber belt of rubber belt conveyor is provided with nano particle conductance sensor for monitoring the surface electric conductance of rubber belt, the central processing module is electrically connected with smoke particle sensor, temperature sensor and nano particle conductance sensor.

[0007] Optionally, the control box is set on one side of the transport direction of rubber belt conveyor, the pulley is arranged between the control box and the rack, and the control box moves along the length direction of rubber belt conveyor through the pulley.

[0008] Optionally, the rubber belt is driven to rotate by driving drum, the temperature sensor is arranged on the driving drum, and the driving drum drives the temperature sensor to abut against the rubber belt.

[0009] Optionally, the adhesive tape comprises key areas and common areas, the key areas comprise the adhesive tape interface and the concentrated area of the carrying material, and the area between two adjacent key areas is a common area.

[0010] Optionally, a plurality of smoke particle sensors are arranged along the length direction of the adhesive tape conveyor, the distance between two adjacent smoke particle sensors in the key area is 3-8 meters, and the distance between two adjacent smoke particle sensors in the common area is 8-15 meters.

[0011] Optionally, a plurality of nano-particle conductance sensors are arranged along the length direction of the adhesive tape conveyor, the distance between two adjacent nano-particle conductance sensors in the key area is 2-6 meters, and the distance between two adjacent smoke particle sensors in the common area is 6-12 meters.

[0012] Optionally, one side of the rack is provided with a fire extinguishing device, the fire extinguishing device is provided with an electric valve and a controller for controlling the on-off of the electric valve, and the controller is electrically connected with the central processing module.

[0013] The beneficial effects of the utility model lie in that the smoke particle sensor monitors the smoke particles above the adhesive tape conveyor, the temperature sensor monitors the temperature of the contact point between the driving roller and the adhesive tape, the nano-particle conductance sensor monitors the conductance of the adhesive tape surface to monitor the particle change and temperature change in the adhesive tape conveying process in real time, the fire hazard is found in time and the fire extinguishing device is started in time to release the fire extinguishing medium when the fire occurs, and the accuracy of the monitoring of the mine fire warning is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] The label and name in the drawing correspond to the following: 1, rack; 2, adhesive tape conveyor; 21, adhesive tape; 22, driving roller; 3, control box; 31, alarm indicator; 32, sounder; 33, cooling fan; 4, smoke particle sensor; 5, temperature sensor; 6, nano-particle conductance sensor; 7, pulley. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely 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 person skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] Please refer toFigure 1 The utility model provides a technical scheme:

[0018] A mine transportation belt fire release particle monitoring early warning system, including frame 1, set up on frame 1's belt conveyor 2, control box 3, the smoke particle sensor 4 for detecting the smoke particle above belt conveyor 2 and set up on the temperature sensor 5 for detecting the temperature of belt 21 of belt conveyor 2, belt conveyor 2 includes belt 21 and a plurality of drive cylinders 22, belt 21 is set up on drive cylinder 22, and belt 21 is driven to rotate by drive cylinder 22, and belt 21 includes key area and ordinary area, and key area includes the interface of belt 21 and the concentrated place of carrying material, and the area between two adjacent key areas is ordinary area, and ordinary area belt 21 runs smoothly.

[0019] Control box 3 is set up on one side in the length direction of belt conveyor 2, and the bottom of control box 3 is detachably connected with pulley 7 by locking bolt, and the top of frame 1 is provided with slide rail, and control box 3 is slid along the length direction of belt conveyor 2 by the cooperation of pulley 7 and slide rail;Control box 3 is provided with central processing module and alarm indicator 31, sounder 32 and cooling fan 33 electrically connected with central processing module.

[0020] The smoke particle sensor 4 is detachably connected on both sides of the transportation direction of belt conveyor 2 by locking bolt, and the smoke particle sensor 4 is provided with a plurality of smoke particle sensors 4, which are arranged at intervals along the length direction of belt conveyor 2, the distance between two adjacent smoke particle sensors 4 in the key area is 3-8 meters, and the distance between two adjacent smoke particle sensors 4 in the ordinary area is 8-15 meters;Temperature sensor 5 is arranged on drive cylinder 22, drive cylinder 22 drives temperature sensor 5 to abut with belt 21, and a plurality of temperature sensors 5 are arranged on the circumferential surface of drive cylinder 22, and three temperature sensors 5 are evenly spaced on the cross section of each drive cylinder 22.

[0021] The surface of belt 21 of belt conveyor 2 is also provided with nano-particle conductivity sensor 6 for monitoring the surface conductivity of belt 21, and the nano-particle conductivity sensor 6 is provided with a plurality of nano-particle conductivity sensors 6, which are arranged at intervals along the length direction of belt conveyor 2, the distance between two adjacent nano-particle conductivity sensors 6 in the key area is 2-6 meters, and the distance between two adjacent smoke particle sensors 4 in the ordinary area is 6-12 meters, and the central processing module is electrically connected with the smoke particle sensor 4, the temperature sensor 5 and the nano-particle conductivity sensor 6.

[0022] One side of the rack 1 is provided with fire extinguishing device, be provided with electric valve and the controller of control electric valve on-off on the fire extinguishing device, the controller is electrically connected with central processing module, when smoke particle sensor 4, temperature sensor 5 or nano particle electric conduction sensor 6 detects anomaly, each sensor data transmission to central processing module, central processing module opens alarm indicator light 31 and sounder 32 and informs staff to check and start cooling fan 33 to the adhesive tape conveyor 2 cooling and reduce the aggregation of smoke particles, when temperature sensor 5 detects that temperature reaches maximum threshold, central processing module controls controller to open electric valve and carries out fire extinguishing and cooling to the adhesive tape conveyor 2 by fire extinguishing device.

[0023] Finally, it should be noted that: the above is only the preferred examples of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A mine haulage belt fire release particle monitoring warning system, characterized in that, The application relates to a belt conveyor, which comprises a rack (1), a belt conveyor (2) arranged on the rack (1), a control box (3), a smoke particle sensor (4) for detecting smoke particles above the belt conveyor (2), and a temperature sensor (5) arranged on the belt conveyor (2) for detecting the temperature of a belt (21), the smoke particle sensor (4) is arranged on both sides of the conveying direction of the belt conveyor (2), the control box (3) is provided with a central processing module, and an alarm indicator (31), a sounder (32) and a cooling fan (33) electrically connected with the central processing module, the surface of the belt (21) of the belt conveyor (2) is provided with a nano-particle conductance sensor (6) for monitoring the conductance of the surface of the belt (21), and the central processing module is electrically connected with the smoke particle sensor (4), the temperature sensor (5) and the nano-particle conductance sensor (6).

2. The mine transportation belt fire release particle monitoring and early warning system according to claim 1, characterized in that, The control box (3) is arranged on one side of the conveying direction of the belt conveyor (2), a pulley (7) is arranged between the control box (3) and the rack (1), and the control box (3) is moved along the length direction of the belt conveyor (2) through the pulley (7).

3. The mine transportation belt fire release particle monitoring and early warning system according to claim 1, characterized in that, The belt (21) is driven to rotate by a driving roller (22), the temperature sensor (5) is arranged on the driving roller (22), and the driving roller (22) drives the temperature sensor (5) to abut against the belt (21).

4. The mine transportation belt fire release particle monitoring and early warning system according to claim 1, characterized in that, The belt (21) comprises a key area and a common area, the key area comprises a belt (21) interface and a concentrated material bearing position, and the area between two adjacent key areas is the common area.

5. The mine haulage belt fire release particle monitoring and warning system according to claim 4, characterized in that, The smoke particle sensor (4) is arranged in multiple numbers, the multiple smoke particle sensors (4) are arranged at intervals along the length direction of the belt conveyor (2), the distance between two adjacent smoke particle sensors (4) in the key area is 3-8 m, and the distance between two adjacent smoke particle sensors (4) in the common area is 8-15 m.

6. The mine haulage belt fire release particle monitoring and warning system of claim 4, wherein, The nano-particle conductance sensor (6) is arranged in multiple numbers, the multiple nano-particle conductance sensors (6) are arranged at intervals along the length direction of the belt conveyor (2), the distance between two adjacent nano-particle conductance sensors (6) in the key area is 2-6 m, and the distance between two adjacent smoke particle sensors (4) in the common area is 6-12 m.

7. The mine haulage belt fire release particle monitoring and warning system of claim 1, wherein, One side of the rack (1) is provided with a fire extinguishing device, the fire extinguishing device is provided with an electric valve and a controller for controlling the on-off of the electric valve, and the controller is electrically connected with the central processing module.

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