Spraying device of underground loading station

Abstract

The utility model relates to a spraying device of an underground loading station, and belongs to the technical field of underground mine equipment. According to the technical scheme, a spraying water pipe (2) is installed above an unloading station, a spraying head (1) is installed at the terminal end of the spraying water pipe (2), and an electric control valve (3) is connected to the front end of the spraying water pipe (2) in series and connected with a water supply pipeline (4); and an actuating coil in the electric control valve (3) is connected in series with the infrared sensor (5) and the time relay (7) and finally connected into the electric cabinet (8). The utility model has the beneficial effects that the time relay and the electric control valve are adopted to control the spraying, so that the spraying in advance and the delayed closing of the electric locomotive when the electric locomotive passes through the unloading station can be realized; dust generated during ore unloading can be effectively reduced through spraying, and the field environment is obviously improved; water is saved, the underground environment can be effectively improved, the structure is simple, manufacturing is easy, and practicability is high.

Description

Technical Field

[0001] This utility model relates to a spraying device for an underground loading station, belonging to the technical field of underground mining equipment. Background Technology

[0002] With the increasing demands for environmental protection from the state, the environmental management of underground mines has become a crucial aspect. The main sources of dust in underground mines are blasting during mining, exhaust fumes from transport vehicles, and dust generated during ore unloading at unloading stations. Controlling blasting fumes and vehicle exhaust, combined with continuous improvement of production processes and exhaust gas purification equipment, can effectively reduce dust. Dust generated at unloading stations also requires further management.

[0003] Currently, the unloading conditions at various mine loading stations differ, and the moisture content of the ore also varies. Especially in mines with lower ore moisture content, the unloading process after the locomotive passes through the unloading station creates a dusty environment, preventing personnel from entering the site. Electrical and mechanical equipment suffers from severe dust accumulation, increasing the workload of equipment maintenance and posing significant safety hazards for both routine inspections and equipment operation. Therefore, it is necessary to innovatively design a spray system for underground unloading stations to reduce dust, thereby improving the on-site environment and eliminating the potential hazards of excessive dust accumulation. Summary of the Invention

[0004] The purpose of this utility model is to provide a spraying device for an underground loading station. By using a time relay and an electrically controlled valve to control the spraying, it can realize early spraying and delayed shutdown when the locomotive passes through the unloading station. The dust generated during ore unloading can be effectively reduced by spraying, and the on-site environment is significantly improved. It saves water, can effectively improve the underground environment, has a simple structure, is easy to manufacture, and is highly practical, thus solving the above-mentioned problems existing in the background technology.

[0005] The technical solution of this utility model is: a spraying device for an underground loading station, comprising a nozzle, a spraying water pipe, an electrically controlled valve, a water supply pipeline, an infrared sensor, a time relay, and an electrical control box. The spraying water pipe is installed above the unloading station, the nozzle is installed at the end of the spraying water pipe, and the electrically controlled valve is connected in series at the front end of the spraying water pipe and connected to the water supply pipeline. The actuation coil inside the electrically controlled valve is connected in series with the infrared sensor and the time relay, and finally connected to the electrical control box.

[0006] It also includes a mechanical valve, wherein the electrically controlled valve is installed on the inlet side of the spray water pipe and connected to the mechanical valve.

[0007] The actuation coil, time relay, infrared sensor, and electrical control box inside the electric control valve are connected by control lines.

[0008] The time relay has a delay of 30 seconds.

[0009] The number of nozzles is one or more, and they are evenly distributed on the spray pipe.

[0010] The beneficial effects of this utility model are: by using time relays and electric control valves to control the spraying, it is possible to achieve early spraying and delayed shutdown when the electric locomotive passes through the unloading station; the dust generated during ore unloading can be effectively reduced by spraying, and the on-site environment is significantly improved; it saves water, can effectively improve the underground environment, and has a simple structure, is easy to manufacture, and is highly practical. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] In the diagram: 1. Sprayer head; 2. Spray pipe; 3. Electric control valve; 4. Water supply pipeline; 5. Infrared sensor; 6. Control line; 7. Time relay; 8. Electrical control box; 9. Mechanical valve; 10. Unloading station. Detailed Implementation

[0013] To make the purpose, technical solution, and advantages of this utility model clearer, the technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described implementation cases are only a small part of this utility model, not all of them. All other implementation cases obtained by those skilled in the art based on the implementation cases of this utility model without creative effort are within the protection scope of this utility model.

[0014] A spraying device for an underground loading station includes a nozzle 1, a spray water pipe 2, an electrically controlled valve 3, a water supply pipeline 4, an infrared sensor 5, a time relay 7, and an electrical control box 8. The spray water pipe 2 is installed above the unloading station 10, the nozzle 1 is installed at the end of the spray water pipe 2, and the electrically controlled valve 3 is connected in series at the front end of the spray water pipe 2 and connected to the water supply pipeline 4. The actuation coil inside the electrically controlled valve 3 is connected in series with the infrared sensor 5 and the time relay 7, and finally connected to the electrical control box 8.

[0015] It also includes a mechanical valve 9, and the electrically controlled valve 3 is installed on the inlet side of the spray water pipe 2 and connected to the mechanical valve 9.

[0016] The actuation coil, time relay 7, infrared sensor 5, and electrical control box 8 within the electric control valve 3 are connected via control line 6.

[0017] The time relay 7 has a delay of 30 seconds.

[0018] The number of nozzles 1 is one or more, and they are evenly arranged on the spray pipe 2.

[0019] In practical applications, the main water supply pipeline 4 is welded to the branch water pipes, and the main body and the spray water pipe 2 form an H-shaped structure. The nozzle 1 is installed at the end of the spray water pipe 2 on the upper side of the unloading station 10.

[0020] The H-shaped structure has an electrically controlled valve 3 and a mechanical valve 9 installed in the middle, connected by screw threads.

[0021] The control coil of the electric valve 3 controls the opening and closing of the valve by switching the power supply on and off.

[0022] Mechanical valve 9 can be manually controlled to open and close, making it convenient for later maintenance.

[0023] Infrared sensor 5 sends a signal when the locomotive head passes by, controlling the electronically controlled valve 3 to open and start spraying.

[0024] The time relay 7 can send a control signal to delay the closing of the electronically controlled valve 3 by setting the time, thereby extending the spraying time and fully reducing dust. Example

[0025] Mechanical parts:

[0026] In water supply pipeline 4, the main pipeline is made of DN40 steel pipe and welded to the underground water supply pipeline; the branch water pipes are made of DN20 steel pipe and welded to the main pipeline.

[0027] Mechanical valve 9 is a KH type straight-through ball valve, and electric control valve 3 is a ZW400-40 type. Both are installed at the front end of the spray water pipe 2.

[0028] The sprinkler pipe 2 is a DN20 steel pipe, and the sprinkler head 1 of model 14# three-spray internal thread 14*1.5 is fixed to the end of the DN20 steel pipe by screw thread.

[0029] Electrical components:

[0030] The infrared sensor, model LDJ-150, is installed in the entrance area of ​​unloading station 10, 8m in front of unloading station 10, at a height of 1.5m above the ground; the actuation coil of the electric control valve 3 is on the valve body and is connected through the control line 6 of KVVP10*1.5.

[0031] The time relay model is TMM-4010, which is installed in the electrical control box 8. The electrical control box 8 supplies power to the time relay 7 and the electric control valve 3.

[0032] Water supply pipeline 4 connects to the production water in the well, and the water pressure is controlled at around 1.2 MPa all year round. After the electric control valve 3 is activated, spraying can be directly achieved.

[0033] This invention enables early start-up and delayed shutdown of electric locomotives when they pass through unloading stations. The start-up and shutdown times of the electrically controlled valves can be adjusted according to actual needs. The installation position of the spray nozzles on the upper side of the unloading station can be added according to actual conditions, and the actual size and structure of the pipeline can be adjusted according to site conditions. This device has significant dust removal effect, is flexible and versatile, easy to manufacture, and highly practical.

Claims

1. A spraying device for an underground loading station, characterized in that: It includes a nozzle (1), a spray pipe (2), an electric control valve (3), a water supply line (4), an infrared sensor (5), a time relay (7), and an electric control box (8). The spray pipe (2) is installed above the unloading station (10), the nozzle (1) is installed at the end of the spray pipe (2), and the electric control valve (3) is connected in series at the front end of the spray pipe (2) and connected to the water supply line (4). The actuation coil inside the electric control valve (3) is connected in series with the infrared sensor (5) and the time relay (7), and finally connected to the electric control box (8).

2. The spraying device for an underground loading station according to claim 1, characterized in that: It also includes a mechanical valve (9), wherein the electrically controlled valve (3) is installed on the inlet side of the spray pipe (2) and connected to the mechanical valve (9).

3. The spraying device for an underground loading station according to claim 1, characterized in that: The actuation coil, time relay (7), infrared sensor (5), and electrical control box (8) inside the electric control valve (3) are connected by control line (6).

4. The spraying device for an underground loading station according to claim 1, characterized in that: The time relay (7) has a delay of 30 seconds.

5. The spraying device for an underground loading station according to claim 1, characterized in that: The number of nozzles (1) is one or more, and they are evenly arranged on the spray pipe (2).

Images