Coal mine electromechanical transportation dust fall device

Abstract

The utility model discloses a coal mine electromechanical transportation dust fall device, which belongs to the technical field of coal mine transportation, solves the problem of poor feeding spraying dust fall effect of a belt conveyor, and comprises a belt conveyor, a protection box is arranged above the feeding end of the belt conveyor, and the upper part and the lower part of the protection box are opened; first watering frames are arranged on the four side edges in a top opening of the protection box, a buffer plate is hinged to the inner wall of the protection box, an elastic telescopic rod is arranged between the bottom of the buffer plate and the inner wall of the protection box, and the two ends of the elastic telescopic rod are hinged to the bottom face of the buffer plate and the inner wall of the protection box correspondingly. A discharging port is formed in the side wall, opposite to the discharging end of the belt conveyor, of the bottom of the protection box, a second watering frame is arranged on the outer side of the discharging port, the first watering frame and the second watering frame comprise water pipes and a plurality of spray heads, and the spray heads are evenly arranged. According to the utility model, the diffusion of dust is reduced, the amount of dust generated when coal directly impacts the belt is reduced, the dust can be effectively locked in the protection box, and the dust falling effect is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine transportation, and in particular relates to a coal mine electromechanical transportation dust reduction device. Background Art

[0002] In the prior art, there are two main types of coal mining conveying devices: coal carts and belt conveyors. When belt conveyors are used for conveying materials, coal falls onto the feeding end of the belt conveyor during the loading process, which will generate a large amount of dust, affecting the surrounding air environment and the health of the workers.

[0003] Usually, a water spray rack is set near the feeding end of the belt conveyor to spray water to reduce dust. However, in order not to affect the loading, the water spray rack is set at a high height or at a certain distance from the end of the belt conveyor. Therefore, dust will still be raised during the loading, and the dust reduction effect is weak. At the same time, the existing dust reduction spray cannot recycle water resources, resulting in waste, which is not in line with the concept of environmental protection and conservation. Utility Model Content

[0004] The utility model aims to provide a coal mine electromechanical transport dust reduction device to solve the problem of poor dust reduction effect of belt conveyor feeding spraying.

[0005] The technical solution of the utility model is: a coal mine electromechanical transportation dust reduction device, including a belt conveyor, a protection box is provided above the feeding end of the belt conveyor, the protection box has upper and lower openings, four sides of the top opening of the protection box are provided with a first sprinkler rack, a buffer plate is hinged on the inner wall of the protection box, an elastic telescopic rod is provided between the bottom of the buffer plate and the inner wall of the protection box, two ends of the elastic telescopic rod are respectively hinged to the bottom surface of the buffer plate and the inner wall of the protection box, a discharge port is provided on the side wall of the bottom of the protection box facing the discharge end of the belt conveyor, a second sprinkler rack is provided outside the discharge port, the first sprinkler rack and the second sprinkler rack include a water pipe and a plurality of nozzles, and the plurality of nozzles are evenly arranged.

[0006] As a further improvement of the utility model, a water collecting tank is provided under the protective box, the water collecting tank is arranged at the bottom of the belt conveyor, a water storage tank is provided on one side of the water collecting tank, both the water storage tank and the water collecting tank are open at the top, the opening of the water collecting tank is higher than the opening of the water storage tank, a water pump is provided on the water storage tank, and the water pump is connected to the water pipe.

[0007] As a further improvement of the utility model, an overflow port is provided on the side wall of the water collecting tank close to the water storage tank, and a filter plate is provided on the overflow port.

[0008] As a further improvement of the utility model, an infrared sensor is provided at the top opening of the protection box for detecting whether coal and mineral materials enter the protection box, and the infrared sensor is electrically connected to the water pump.

[0009] The beneficial effects of the utility model are as follows:

[0010] The utility model arranges a protection box above the feeding end of the belt conveyor, so that the dust of the coal and mineral materials falling from the protection box to the belt is collected in the protection box, thereby reducing the diffusion of dust; the first watering rack arranged at the upper opening of the protection box allows the dust generated by the loading to settle directly; the buffer plate arranged in the protection box hits the buffer plate when the coal falls, and the buffer plate will rotate, thereby reducing the amount of dust generated by the direct impact of the coal on the belt, and also avoiding the violent impact of the coal on the belt conveyor to protect the service life of the belt conveyor, and the buffer plate is arranged below the first watering rack, so that the dust generated by the impact of the coal on the buffer plate is also directly settled; the second watering rack arranged at the discharge port further settles the dust, and the use of the above-arranged components can effectively lock the dust in the protection box, so that the dust reduction effect is greatly improved.

[0011] A water collecting tank is set up to collect the water resources sprayed for dust reduction in the protective box. The collected water resources flow into the water storage tank next to it and are continuously recycled through the water pump, thus saving water resources. An overflow port is set on the water collecting tank, and the area below the overflow port is the sedimentation area, which is used to filter the coal powder remaining in the water. The filter plate set on the overflow port can filter out the coal particles in the water before the water overflows into the water storage tank when the water level in the water collecting tank is higher than the overflow port, thereby protecting the water pump from damage and avoiding nozzle clogging, thus effectively ensuring the reliability of resource recycling.

[0012] An infrared sensor can be set up to detect whether there is coal entering the protective box. When coal enters, the water pump will be automatically started to spray water. When no coal enters, the water pump will be shut down and the sprinkling will stop. This can effectively save water resources, avoid waste, improve automation, and save labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the longitudinal section structure of the utility model.

[0015] In the figure: 1-belt conveyor; 21-first sprinkler rack; 22-second sprinkler rack; 3-protection box; 4-water pipe; 5-sprinkler; 6-buffer plate; 7-elastic telescopic rod; 8-discharge port; 9-water storage tank; 10-water pump; 11-infrared sensor; 12-water collecting tank; 13-overflow port; 14-filter plate. DETAILED DESCRIPTION

[0016] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0017] In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] like Figure 1-Figure 2 As shown, a coal mine electromechanical transportation dust reduction device includes a belt conveyor 1, a protection box 3 is provided above the feeding end of the belt conveyor 1, the protection box 3 is opened up and down, and the four sides of the top opening of the protection box 3 are provided with a first sprinkler rack 21, the inner wall of the protection box 3 is hinged with a buffer plate 6, an elastic telescopic rod 7 is provided between the bottom of the buffer plate 6 and the inner wall of the protection box 3, and the two ends of the elastic telescopic rod 7 are respectively hinged to the bottom surface of the buffer plate 6 and the inner wall of the protection box 3, a discharge port 8 is provided on the side wall of the bottom of the protection box 3 facing the discharge end of the belt conveyor 1, and a second sprinkler rack 22 is provided outside the discharge port 8, the first sprinkler rack 21 and the second sprinkler rack 22 include a water pipe 4 and a plurality of nozzles 5, and the plurality of nozzles 5 are evenly arranged.

[0020] The buffer plate 6 is arranged below the first sprinkler rack 21. There can be only one buffer plate 6, and its hinged edge is arranged close to the coal inlet end. It is arranged on one side of the inlet end for easier reception of coal. There can also be two buffer plates 6, which are symmetrically arranged in the protective box 3. The two buffer plates 6 are symmetrically arranged, which are easier to open and convenient for unloading. There can also be multiple buffer plates 6, which are arranged around the inner wall of the protective box 3. Multiple buffer plates 6 can further enhance the buffering effect.

[0021] A water collecting tank 12 is provided below the protection box 3, and the water collecting tank 12 is provided at the bottom of the belt conveyor 1. A water storage tank 9 is provided on one side of the water collecting tank 12. Both the water storage tank 9 and the water collecting tank 12 are opened at the top, and the opening of the water collecting tank 12 is higher than the opening of the water storage tank 9. A water pump 10 is provided on the water storage tank 9, and the water pump 10 is connected to the water pipe 4; an overflow port 13 is provided on the side wall of the water collecting tank 12 close to the water storage tank 9, and a filter plate 14 is provided on the overflow port 13.

[0022] The belt conveyor 1 can be set at a certain angle, and the inlet end is lower. The inlet end of the belt conveyor 1 is located in the opening of the water collecting tank 12. The adjacent side walls of the water storage tank 9 and the water collecting tank 12 are closely connected, and the overflow port 13 is flush with the opening of the water storage tank 9.

[0023] An infrared sensor 11 is provided at the top opening of the protection box 3 for detecting whether coal and mineral materials enter the protection box 3 . The infrared sensor 11 is electrically connected to the water pump 10 .

[0024] During the specific implementation of the utility model, coal enters from the top opening of the protection box 3, the infrared sensor 11 detects the coal entering and starts the water pump 10, the first sprinkler frame 21 and the second sprinkler frame 22 spray water through the nozzle 5, and the dust generated by the material discharge is directly settled. The infrared sensor 11 detects whether coal enters, and when coal enters, the water pump 10 is started to sprinkle water. When no coal enters, the water pump 10 is closed and the sprinkling of water is stopped, thereby realizing an automatic sprinkling mechanism, which can effectively save water resources.

[0025] When the coal enters the protection box 3, it hits the buffer plate 6, and the buffer plate 6 will rotate to make the coal fall to the inlet end of the belt conveyor 1, dividing the larger impact force into two impacts to offset each other, which not only reduces the dust generation but also protects the belt conveyor 1. The first sprinkler rack 21 on the top of the protection box 3 and the second sprinkler rack 22 at the discharge port 8 lock the dust into the protection box 3 as much as possible, greatly reducing the dust content.

[0026] The area below the overflow port 13 in the water collecting tank 12 is a sedimentation area, which is used to filter the coal powder remaining in the water collected in the water collecting tank 12. The coal particles in the water sprayed into the water collecting tank 12 by the first sprinkler rack 21 and the second sprinkler rack 22 gradually settle. When the water level collected in the water collecting tank 12 is higher than the overflow port 13, the coal particles in the water are further filtered out before the upper clear water overflows into the water storage tank 9, thereby forming a water recovery mechanism to achieve the purpose of recycling, thereby protecting the water pump 10 from damage and avoiding clogging of the nozzle 5.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A coal mine electromechanical transport dust reduction device, comprising a belt conveyor (1), characterized in that: A protection box (3) is provided above the feeding end of the belt conveyor (1), the protection box (3) is opened at the top and bottom, and four sides of the top opening of the protection box (3) are provided with a first watering frame (21), the inner wall of the protection box (3) is hinged with a buffer plate (6), an elastic telescopic rod (7) is provided between the bottom of the buffer plate (6) and the inner wall of the protection box (3), and the two ends of the elastic telescopic rod (7) are respectively hinged to the bottom surface of the buffer plate (6) and the inner wall of the protection box (3), a discharge port (8) is provided on the side wall of the bottom of the protection box (3) facing the discharge end of the belt conveyor (1), and a second watering frame (22) is provided outside the discharge port (8), and the first watering frame (21) and the second watering frame (22) include a water pipe (4) and a plurality of nozzles (5), and the plurality of nozzles (5) are evenly arranged.

2. A coal mine electromechanical transport dust suppression device according to claim 1, characterized in that: A water collecting tank (12) is provided below the protection box (3). The water collecting tank (12) is provided at the bottom of the belt conveyor (1). A water storage tank (9) is provided on one side of the water collecting tank (12). The water storage tank (9) and the water collecting tank (12) are both open at the top. The opening of the water collecting tank (12) is higher than the opening of the water storage tank (9). A water pump (10) is provided on the water storage tank (9). The water pump (10) is connected to the water pipe (4).

3. A coal mine electromechanical transport dust reduction device according to claim 2, characterized in that: An overflow port (13) is provided on a side wall of the water collecting tank (12) close to the water storage tank (9), and a filter plate (14) is provided on the overflow port (13).

4. A coal mine electromechanical transport dust suppression device according to any one of claims 1 to 3, characterized in that: An infrared sensor (11) is provided at the top opening of the protection box (3) for detecting whether coal and mineral materials have entered the protection box (3); the infrared sensor (11) is electrically connected to the water pump (10).

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