Coal mine trestle under coal storage field spraying system

Abstract

The utility model discloses a coal mine trestle under coal storage yard sprinkling system, including setting in the four around of coal storage yard a plurality of fog gun machine, the spray opening of fog gun machine is towards the inside of coal storage yard, still include the sprinkling component of installation on trestle, the sprinkling component includes the mine spray head of a plurality of interval settings along the trend of trestle, among them, a plurality of mine spray head distribution is in the both sides of trestle, the utility model discloses the beneficial effect is: the utility model discloses the sprinkling component of installation under trestle area, and the sprinkling component includes mine spray head, and through mine spray head can directly water mist spray in the lower area of trestle, and then combines the spray of fog gun machine to other areas, can realize the full area spray in coal storage yard, and promotes dust removal effect.

Description

Technical Field

[0001] This utility model belongs to the technical field of coal mine dust removal equipment, and in particular relates to a spraying system for coal storage yards under coal mine trestle bridges. Background Technology

[0002] Coal mine trestle bridges are bridge structures used in coal mines to connect different working faces or equipment. They are generally made of steel and are erected overhead. To make full use of the space under the trestle bridge, a coal storage yard is usually built underneath.

[0003] In coal storage yards, material disturbance during coal stacking, transfer, loading, and unloading operations easily generates large amounts of dust (mainly coal dust). This dust not only causes coal resource loss (annual loss rate can reach 1%-3%), but also seriously pollutes the atmospheric environment and endangers human health (long-term inhalation can easily lead to pneumoconiosis). At the same time, there is a risk of dust explosion (the explosion limit of coal dust is 45g / m³-2000g / m³), so it must be controlled through scientific measures.

[0004] Spray dust suppression is an advanced method for dust control. Its basic principle is to atomize water and spray it into the air, causing the water droplets to collide and agglomerate with airborne dust particles, thus increasing the weight of the dust particles and causing them to settle to the ground. This method has advantages such as simple operation, significant effect, and low cost, and has broad application prospects in coal yard dust control. Coal storage areas under coal mine trestle bridges are usually equipped with mist cannons around their perimeter; however, due to the size of the site and the space occupied by the trestle bridge, the dust suppression effect in the area under the trestle bridge is poor. Utility Model Content

[0005] The purpose of this invention is to provide a spray system for coal storage yards under coal mine trestle bridges to improve the dust removal effect in the area under the trestle bridges.

[0006] The present invention adopts the following technical solution: a coal storage yard spraying system under a coal mine trestle, including several fog cannons set around the coal storage yard, with the spray nozzles of the fog cannons facing the inside of the coal storage yard;

[0007] It also includes sprinkler systems installed on the trestle;

[0008] The spray assembly includes several mining spray heads spaced apart along the direction of the trestle; among them, several mining spray heads are distributed on both sides of the trestle.

[0009] The beneficial effects of this utility model are as follows: By installing a spray assembly in the area under the trestle, which includes a mining spray head, water mist can be sprayed directly onto the area under the trestle. Combined with the mist cannon spraying other areas, the entire area of ​​the coal storage yard can be sprayed, thus improving the dust removal effect. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of a coal storage yard sprinkler system under a coal mine trestle in an embodiment of this utility model;

[0011] Figure 2 This is a schematic diagram of the internal structure of the coal storage yard in an embodiment of this utility model;

[0012] Figure 3 This is a schematic diagram of the spray assembly in an embodiment of the present invention.

[0013] Among them: 10. Trestle bridge; 11. Main water supply pipeline; 12. Vertical pipeline; 13. T-junction; 14. Horizontal extension pipe; 15. Mine spray head; 20. Fence; 30. Fog cannon. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0015] This utility model discloses a spray system for coal storage yards under coal mine trestle bridges, such as... Figure 1 As shown, it includes several mist cannons 30 arranged around the coal storage yard, with the spray nozzles of the mist cannons 30 facing the interior of the coal storage yard; it also includes a spray assembly installed on the trestle 10; as shown Figure 2 As shown, the spray assembly includes a number of mining spray heads 15 spaced apart along the direction of the trestle 10; wherein the number of mining spray heads 15 are distributed on both sides of the trestle 10.

[0016] This utility model installs a spray assembly in the area under the trestle. The spray assembly includes a mining spray head 15, which can directly spray water mist onto the area under the trestle. Combined with the mist cannon 30 spraying other areas, it can achieve full-area spraying in the coal storage yard and improve the dust removal effect.

[0017] In one embodiment, the spray assembly includes a main water supply pipeline 11 aligned with the direction of the trestle 10, a vertical pipe 12 connected to the main water supply pipeline 11, and a spray pipeline connected to the vertical pipe 12 via a tee 13; the spray pipeline is aligned with the direction of the trestle 10 and is equipped with a number of mining spray heads 15 at intervals.

[0018] The main water supply pipeline 11 runs in the same direction as the trestle 10, facilitating its installation and securing. The vertical pipe 12 is primarily used for directional guidance of the spray pipeline; additionally, a master control valve can be installed on the vertical pipe 12 for control during spray assembly maintenance. The spray pipeline provides installation space for the mining spray head 15 and typically uses a single pipe.

[0019] It is important to note that, such as Figure 3As shown, the spray pipe route is composed of several detachable and installable horizontal extension pipes 14 connected together. Adjacent horizontal extension pipes 14 are connected by tees 13; both straight ports of the tee 13 are connected to the horizontal extension pipes 14, and the vertical port of the tee is connected to the mining spray head 15. Specifically, the horizontal extension pipes 14 can be cut into different sizes as needed. For example, each horizontal extension pipe 14 is designed to be 4m long, that is, a tee 13 is installed every 4m, and the mining spray head 15 is installed on the tee 13. However, since there is no coal accumulation in some areas, it is not necessary to carry out water mist dust suppression in these locations. Therefore, in such cases, the length of the horizontal extension pipe 14 can be increased, and the mining spray head 15 is not installed at these locations.

[0020] In one embodiment, the spray direction of the mining spray head 15 is towards the outside of the trestle, and the angle between the spray direction and the vertical plane is greater than 0° and less than or equal to 30°. Since the water mist sprayed by the mining spray head 15 is circular and covers a large area, while the lateral width of the trestle 10 is limited, if the spray direction of the mining spray head 15 is vertically downward, the spray areas of the mining spray heads 15 on both sides of the trestle 10 may overlap. Therefore, the spray area is adjusted by adjusting the spray angle.

[0021] In this embodiment, the fog cannon 30 is installed on the side wall 20, which runs in the same direction as the trestle 10. This ensures that the spray nozzle of the fog cannon 30 is perpendicular or nearly perpendicular to the side of the trestle 10, making the spray area more uniform within the coal storage yard.

[0022] The system's spray assembly ensures precise dust suppression at the point where coal dust rises. Combined with the fog cannon 30, the spray volume exceeds the dust volume while guaranteeing full contact between water mist particles and dust particles. The water mist particles generated by the system are fine and uniform, with a fast settling speed, which can quickly and effectively reduce the concentration of dust in the air.

[0023] Furthermore, spray dust suppression systems can utilize intelligent and automated equipment. The system can automatically adjust the spraying time based on the actual conditions of the coal yard, achieving precise dust suppression. For example, dust sensors can be installed in the coal yard and connected to the spray control system for automatic control. This not only improves dust suppression efficiency but also saves water resources and reduces operating costs.

Claims

1. A spray system for coal storage yards under coal mine trestle bridges, characterized in that, Includes several fog cannons (30) set around the coal storage yard, with the spray nozzles of the fog cannons (30) facing the inside of the coal storage yard; It also includes a sprinkler assembly installed on the trestle (10); The spray assembly includes a plurality of mining spray heads (15) spaced apart along the direction of the trestle (10); wherein the plurality of mining spray heads (15) are distributed on both sides of the trestle (10).

2. The spray system for coal storage yards under coal mine trestle as described in claim 1, characterized in that, The spray assembly includes a main water supply pipeline (11) aligned with the direction of the trestle (10), a vertical pipe (12) connected to the main water supply pipeline (11), and a spray pipeline connected to the vertical pipe (12) via a tee (13). The spray pipeline runs in the same direction as the trestle (10), and several mining spray heads (15) are installed at intervals.

3. A spray system for coal storage yards under coal mine trestle as described in claim 2, characterized in that, The spray pipe route is composed of several detachable and installable horizontal extension pipes (14) connected together.

4. A spray system for coal storage yards under coal mine trestle as described in claim 3, characterized in that, The adjacent transverse extension pipes (14) are connected by a tee (13); wherein, the two straight ports of the tee (13) are connected to the transverse extension pipes (14), and the vertical port of the tee is connected to the mining spray head (15).

5. A spray system for coal storage yards under coal mine trestle as described in claim 4, characterized in that, The spray direction of the mining spray head (15) is towards the outside of the trestle, and the angle between the spray direction and the vertical plane is greater than 0° and less than or equal to 30°.

6. A spray system for coal storage yards under coal mine trestle as described in any one of claims 2-5, characterized in that, The fog cannon (30) is installed on the side wall (20) with the same orientation as the trestle (10).

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