CN210829366U

CN210829366U - Underground coal mine spraying device

Info

Publication number: CN210829366U
Application number: CN201921608682.9U
Authority: CN
Inventors: 赵高清; 何福胜; 李凯博; 黄超; 闫大卫; 巩红龙; 陈纲
Original assignee: XISHAN COAL ELECTRICITY GROUP CO Ltd
Current assignee: XISHAN COAL ELECTRICITY GROUP CO Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-23
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a atomizer specifically is a colliery atomizer in pit. In order to solve the problem of poor atomization effect at a place with low water pressure in a coal mine tunnel, a novel coal mine underground air-water integrated atomizing device is provided. The underground coal mine spraying device comprises a spray head, a transition pipe and a first joint, wherein one end of the transition pipe is connected with an opening of the spray head, and the first joint is arranged on the transition pipe and communicated with the transition pipe. Further, the underground coal mine spraying device further comprises a second joint and a first baffle plate for sealing the other end of the transition pipe, wherein the second joint is arranged on the transition pipe or the first baffle plate and communicated with the transition pipe. The utility model discloses utilize in the pit to press wind, supply channel, form the integrative spraying of geomantic omen, through adjusting suitable geomantic omen ratio, improve atomization effect, be suitable for the lower place of water pressure very much.

Description

Underground coal mine spraying device

Technical Field

The utility model relates to a atomizer specifically is a colliery atomizer in pit.

Background

Coal dust, as one of five natural disasters of coal mines, is harmful to the health of workers and can cause pneumoconiosis; and coal dust accumulation and flying are easy to form, and coal dust explosion accidents are induced. With the advance of national coal resource integration, the mining mechanization degree and the production capacity of coal mines are greatly improved, and meanwhile, the dust production of all production links such as coal mining, tunneling and transportation is also increased sharply. In terms of the current scientific equipment level, spray dust settling is still the main method for coal mine underground dust settling.

Traditional atomizer need purchase special shower nozzle, and the atomization effect is poor in the place that water pressure is lower, can't guarantee dust fall effect, and can cover the full section in tunnel for guaranteeing atomization effect, same place need set up 5-6 shower nozzles, and the water consumption is great, and novel atomizer such as magnetic control, photoelectric control that appear in recent years needs electrical elements such as controller, sensor, under complicated underground environment condition, the ubiquitous stability, the not enough in aspects such as durability, and the cost is higher.

Disclosure of Invention

The utility model discloses a solve in the coal mine tunnel in the lower place of water pressure poor problem of atomization effect, provide a novel colliery atomizer in pit.

The utility model discloses an adopt following technical scheme to realize: the underground coal mine spraying device comprises a spray head, a transition pipe and a first joint, wherein one end of the transition pipe is connected with an opening of the spray head, and the first joint is arranged on the transition pipe and communicated with the transition pipe.

Further, the underground coal mine spraying device further comprises a second joint and a first baffle plate for sealing the other end of the transition pipe, wherein the second joint is arranged on the transition pipe or the first baffle plate and communicated with the transition pipe, so that when the diameter of the transition pipe is large and is not suitable for being connected with a hose, a joint can be additionally arranged on the transition pipe, meanwhile, the transition pipe can also adopt the existing waste steel pipe in a coal mine, special processing and purchase are not needed, and a joint and a hose connection are arranged on the waste steel pipe, so that the cost is saved to a certain extent.

The using method comprises the following steps: 1. the underground coal mine spraying device is fixedly connected to the middle upper part of a roadway, and the opening at the other end of the first joint and the transition pipe or the second joint are respectively communicated with a nearby water supply pipeline and a nearby compressed air pipeline through hoses and control ball valves; 2. two control spherical valves at the joints of the water supply pipeline and the compressed air pipeline with the hose are respectively opened, and the proper air-water ratio is controlled by respectively adjusting the two spherical valves, so that a good atomization effect can be ensured at a place with low water pressure in a coal mine tunnel; 3. when the spraying is closed, the ball valve for controlling water and the ball valve for controlling air are directly closed. Wherein, hose and globe valve are the daily used material in colliery, need not special processing or purchase in addition, have practiced thrift the cost to a certain extent.

The utility model discloses the beneficial effect who produces as follows:

1) the existing air-pressing and water-supplying pipelines under the well are utilized to form air-water integrated spray, special materials are not needed, and the construction is simple;

2) the atomization effect is improved by adjusting the proper air-water ratio, and the device is particularly suitable for places with lower water pressure;

3) no electric element is needed, no safety risk exists, the device can be stably used for a long time, and the device is convenient to install and disassemble and convenient to recycle;

4) the number of the spray heads at the same place is reduced from 5-6 to 1, so that the dustproof water consumption is saved;

5) the adaptability is strong: the spraying device is completely suitable for underground humid and complex environments, and can be suitable for spraying devices of all roadways in the underground coal mine.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a top view of fig. 1.

In the figure: the nozzle comprises a nozzle body 1, a steel pipe 1, a second baffle plate 1-2, a third baffle plate 1-3, a spray hole 1-4, a transition pipe 2, a first joint 3, a second joint 4, a first baffle plate 5 and an installation pipe 6.

Detailed Description

The utility model provides a colliery atomizer in pit, includes shower nozzle 1, transition pipe 2, first joint 3, the one end of transition pipe 2 is connected with the opening of shower nozzle 1, first joint 3 establishes on transition pipe 2 and link up with transition pipe 2.

Further, the underground coal mine spraying device further comprises a second joint 4 and a first baffle 5 for sealing the other end of the transition pipe 2, wherein the second joint 4 is arranged on the transition pipe 2 or the first baffle 5 and communicated with the transition pipe 2.

In specific implementation, the spray head 1 is composed of a steel pipe 1-1, a second baffle plate 1-2 and a third baffle plate 1-3 which are hermetically connected with two ends of the steel pipe 1-1, an opening of the spray head 1 is formed in the third baffle plate 1-3, and uniformly distributed spray holes 1-4 are formed in the outer circular surface of the steel pipe 1-1 and/or the second baffle plate 1-2.

In the specific embodiment, the diameter of the steel pipe 1-1 is 101.6mm, the length is 300mm, the diameter of the transition pipe 2 is 50.8mm, the length is 200mm, the diameter of the first joint 3 is 10mm, the diameter of the second joint 4 is 25mm, and the diameter of the spray hole 1-4 is 5.2 mm. The utility model provides a colliery atomizer in pit, still includes an installation pipe 6, installation pipe 6 is established on shower nozzle 1, during concrete implementation, installation pipe 6 is established on steel pipe 1-1, just the internal thread diameter of installation pipe 6 is 22mm, and during the use, it is fixed with the top stock to utilize installation pipe 6 to install the device in the tunnel upper portion for it is more convenient when atomizer uses.

In the embodiment, the hose, the ball valve and the mounting pipe are made of materials used in coal mine daily life and do not need to be specially processed or purchased additionally. Meanwhile, the steel pipes and the transition pipes can be made of waste steel pipe fittings in coal mines, and the steel pipes and the transition pipes do not need to be purchased, so that the cost is saved to a certain extent.

The using method comprises the following steps: 1. the spraying device is arranged on the middle upper part of a roadway and fixed with a roof anchor rod by using an installation pipe 6 or other fixing devices, and the first joint 3 and the second joint 4 are respectively communicated with nearby water supply and compressed air pipelines by using hoses and control ball valves; 2. two control spherical valves at the joints of the water supply pipeline and the compressed air pipeline with the hose are respectively opened, and the proper air-water ratio is controlled by respectively adjusting the two spherical valves, so that a good atomization effect can be ensured at a place with low water pressure in a coal mine tunnel; 3. when the spraying is closed, the ball valve for controlling water and the ball valve for controlling air are directly closed.

Claims

1. A coal mine underground spraying device comprises a spray head (1), a transition pipe (2) and a first joint (3), wherein one end of the transition pipe (2) is connected with an opening of the spray head (1), and the first joint (3) is arranged on the transition pipe (2) and communicated with the transition pipe (2); the device is characterized by further comprising a second joint (4) and a first baffle (5) for sealing the other end of the transition pipe (2), wherein the second joint (4) is arranged on the transition pipe (2) or the first baffle (5) and is communicated with the transition pipe (2); the spray head is characterized in that the spray head (1) is composed of a steel pipe (1-1), a second baffle plate (1-2) and a third baffle plate (1-3), wherein the two ends of the steel pipe (1-1) are hermetically connected, an opening of the spray head (1) is formed in the third baffle plate (1-3), and spray holes (1-4) are uniformly distributed in the outer circular surface of the steel pipe (1-1) and the second baffle plate (1-2); the diameter of the steel pipe (1-1) is 101.6mm, the length of the steel pipe is 300mm, the diameter of the transition pipe (2) is 50.8mm, the length of the transition pipe is 200mm, the diameter of the first joint (3) is 10mm, the diameter of the second joint (4) is 25mm, and the diameter of the spray holes (1-4) is 5.2 mm.

2. The coal mine underground spraying device according to claim 1, further comprising an installation pipe (6), wherein the installation pipe (6) is arranged on the steel pipe (1-1).

3. The coal mine underground spraying device according to claim 2, characterized in that the diameter of the internal thread of the installation pipe (6) is 22 mm.