CN214464346U - Gas-water spraying device for excavating machinery - Google Patents

Abstract

The utility model provides a mining machinery gas water atomizer, including water delivery system, gas delivery system and sprinkler system, wherein, water delivery system includes conduit and control flap, gas delivery system includes conduit and control flap, control flap sets up respectively on conduit and conduit, sprinkler system includes the shower nozzle, energy storage ware and shower nozzle safety cover, the shower nozzle sets up on the energy storage ware, the energy storage ware sets up in the shower nozzle safety cover, shower nozzle safety cover bottom is provided with the perforating hole, conduit and gas delivery pipe box pass the perforating hole respectively and link to each other with the energy storage ware. The utility model discloses a mutually supporting between geomantic omen has guaranteed the atomization effect of shower nozzle under the unstable condition of water pressure, design processing shower nozzle safety cover prevents that the coal breakage from pounding the device under the prerequisite that does not influence the spraying effect, and the shower nozzle is not blockked up under the state of not opening the spraying when more preventing the coal breakage.

Description

Gas-water spraying device for excavating machinery

The technical field is as follows:

the utility model relates to a dust device field in the mine, concretely relates to mining machinery gas water atomizer.

Background art:

the coal face is a place with the most dust production underground, the dust production amount reaches 45% -80%, the coal face is the most important place with the highest risk in mine operation, and spontaneous combustion accidents, explosion accidents, pneumoconiosis and the like can be caused by the coal dust generated on the coal face. The coal mining working face has various mechanical equipment, such as a mining machine, a scraper conveyor, a reversed loader and the like, in the process of mining a coal bed, a coal mining machine continuously cuts coal blocks, the coal blocks can generate friction with the coal bed in the cutting process to generate coal dust, and after the coal dust reaches a certain amount, explosion is likely to be generated when sparks happen, so that the generation of the coal dust is effectively prevented. The dust fall is a very effective method by using water, a mining machine is often provided with spraying equipment for dust fall, but because a spraying nozzle outside the mining equipment is directly exposed outside, the spraying nozzle is easily blocked when the mining machine is shut down or external spraying is closed due to other reasons, so that the spraying effect is reduced or fails; in addition, the water supply distance of the underground water supply system is long, the pipeline is not communicated, and the like, so that the water pressure of the working surface is low, and the atomization effect is not ideal to a certain extent. The traditional external spraying of the excavating equipment has the following defects:

1. the external spray nozzle is directly exposed outside, so that the spray nozzle is easily blocked when the excavating equipment is stopped or the spray is closed due to other special reasons, the spray nozzle cannot discharge water, and the dust settling effect is influenced;

2. the underground water supply system causes unstable water pressure of a working surface due to reasons such as water supply distance, pipelines and the like, and the atomization effect is good and bad to a certain extent;

3. the problem of the quality of underground static pressure water causes the blockage of a spray head, and the spraying effect is influenced;

4. because of the difference of the design reasons of the external spraying of the excavating equipment, the flow and the pressure of each spray head of the external spraying are different, and the spraying effect is influenced;

the invention content is as follows:

the utility model aims at solving the technical problem, thereby providing an excavating mechanical gas-water spraying device which can effectively reduce dust and effectively avoid the blockage of a spray head.

The utility model adopts the technical proposal that:

the utility model provides a mining machinery gas water atomizer, including water delivery system, gas delivery system and sprinkler system, wherein, water delivery system includes conduit and control flap, gas delivery system includes conduit and control flap, control flap sets up respectively on conduit and conduit, sprinkler system includes the shower nozzle, energy storage ware and shower nozzle safety cover, the shower nozzle sets up on the energy storage ware, the energy storage ware sets up in the shower nozzle safety cover, shower nozzle safety cover bottom is provided with the perforating hole, conduit and gas delivery pipe box pass the perforating hole respectively and link to each other with the energy storage ware.

The utility model has the advantages that:

1. the protective cover is designed and processed according to the cone angle of the spray nozzle, so that the device is prevented from being broken by falling coal on the premise of not influencing the spraying effect, and the spray nozzle is prevented from being blocked in the state of not opening the spray nozzle during falling coal.

2. The atomization effect of the spray head is guaranteed under the condition that the water pressure is unstable through the mutual matching of wind and water, and the operation can be realized by adjusting wind and water flow.

3. A water quality filter is additionally arranged at the near end of the water inlet side of the device, so that the problem of water quality of static pressure water is solved.

4. A simplified energy storage device is designed according to the working principle of an energy accumulator, and the aim is to ensure that the pressure difference among all spray heads can be reduced to the minimum, so that the atomization effect of all spray heads is basically the same; secondly, the wind and water are fully combined in the energy accumulator, a semi-atomization state can be formed, and the wind and water mixture is sprayed out through the spray head, so that a better atomization effect is achieved.

5. The device can reduce the using amount of static pressure water, can ensure the coal quality of raw coal by reasonable use, avoids the phenomenon of water-drawing coal, and improves the coal price and income.

6. The spraying effect is improved by at least 50 percent compared with the original common water spraying effect, the dust falling effect is greatly improved, the working environment of underground workers is further improved, the water consumption is reduced, the production cost is reduced, and the working efficiency is improved.

Preferably, the present invention further provides:

the gas transmission pipeline is also provided with a pressure gauge. Thereby ensuring that the gas flow is controllable and the gas pressure is strictly controlled.

The shower nozzle safety cover is cuboid type structure, its open-top, and the energy storage ware size is unanimous with shower nozzle safety cover cross section size to perpendicular with shower nozzle safety cover both sides wall, the shower nozzle sets up two at least, and evenly sets up in the energy storage ware upper surface as required, and water pipeline and gas pipeline set up in the energy storage ware lower surface. Set up shower nozzle number and arrange as required in advance to increased spraying density, can make the utility model is suitable for a dust fall space of equidimension not.

Description of the drawings:

FIG. 1 is a three-dimensional perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a front view of the nozzle and the guard plate of the present invention;

FIG. 4 is a schematic view of the sprinkler head protective cover of the present invention;

in the figure: the device comprises a water pipeline 1, a control valve 2, a gas pipeline 3, a spray head 4, an energy accumulator 5, a spray head protective cover 6 and a pressure gauge 7.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings, which are only intended to better explain the content of the present invention, and the examples do not limit the scope of the present invention as claimed in the claims;

as shown in fig. 1, for the embodiment of the present invention, an air-water spraying device for mining machinery comprises a water delivery system, an air delivery system and a spraying system, wherein the water delivery system comprises a water delivery pipeline 1 and a control valve 2, and a water filter can be additionally installed at the near end of the water delivery pipeline 1; the gas transmission system comprises a gas transmission pipeline 3 and a control valve 2, the control valve 2 is respectively arranged on the gas transmission pipeline 1 and the gas transmission pipeline 3, the spraying system comprises a spray head 4, an energy accumulator 5 and a spray head protection cover 6, the spray head is arranged on the energy accumulator 5, the energy accumulator 5 is arranged in the spray head protection cover 6, a through hole is formed in the bottom of the spray head protection cover 6, the gas transmission pipeline 1 and a gas transmission pipe sleeve respectively penetrate through the through hole to be connected with the energy accumulator 5, a pressure gauge 7 is arranged on the gas transmission pipeline 3, the spray head protection cover 6 is of a rectangular structure, the top of the spray head protection cover is open, the size of the energy accumulator 5 is consistent with that of the cross section of the spray head protection cover 6, the energy accumulator is perpendicular to two side walls of the spray head protection cover 6, the spray heads are three and are uniformly arranged on the upper surface of the energy accumulator 5, and the gas transmission pipeline 1 and the gas transmission pipeline 3 are arranged on the lower surface of the energy accumulator 5.

The utility model discloses operating procedure and applicable method are as follows:

the method comprises the following steps: and (4) processing and manufacturing the spray head protective cover 6 according to the distance between the spray heads 4, and reserving spray head mounting hole positions in advance according to the predetermined spray head distance.

Step two: according to the figure 1, a spray head protective cover 6, a spray head 4, an energy accumulator 5, a water delivery system and a gas delivery system are independently processed and manufactured, and all parts are sealed to ensure that no water or gas leaks;

step three: the spray heads 4 are determined to be the core of the whole spraying system, the volume size of the spraying system is determined by the distance between the spray heads 4, the proper spray heads 4 are selected, the distance is determined, and the spray heads 4 are installed on the energy accumulator 5.

Step four: the water delivery system is additionally provided with a filter and a valve, so that the flow of the water body is ensured to be controllable, impurities in the water are filtered, and the energy accumulator 5 is prevented from being blocked; the gas transmission system is additionally provided with a pressure gauge 7 and a valve, so that the gas flow is ensured to be controllable and the gas pressure is strictly controlled;

step five: the spray head 4, the energy accumulator 5, the water delivery system and the gas delivery system are assembled in the spray head protective cover 6;

the beneficial effect of this embodiment is:

1. the nozzle protection cover 6 is designed and processed according to the cone angle sprayed by the nozzle 4, so that the device is prevented from being broken by falling coal on the premise of not influencing the spraying effect, and the nozzle is prevented from being blocked in the state of not opening the spray during the falling coal.

2. The atomization effect of the spray head 4 is ensured under the condition that the water pressure is unstable through the mutual matching of wind and water, and the operation can be realized by adjusting wind and water flow.

3. A water quality filter is additionally arranged at the near end of a water conveying pipeline 1 of the device, so that the problem of water quality of static pressure water is solved.

4. A simplified energy storage device is designed according to the working principle of the energy accumulator 5, and the aim is to ensure that the pressure difference among all the spray heads can be reduced to the minimum, so that the atomization effect of all the spray heads is basically the same; secondly, the geomantic omen fully combines in energy storage device 5, can form half atomizing state, is spouting geomantic omen mixture through shower nozzle 4, and then reaches better atomization effect.

5. The device can reduce the using amount of static pressure water, can ensure the coal quality of raw coal by reasonable use, avoids the phenomenon of water-drawing coal, and improves the coal price and income. Through field simulation test, the spraying effect is best when the wind pressure is between 0.4MPa and 0.6MPa and the water pressure is between 2MPa and 3 MPa.

6. Through the repeated test in the ground workshop, finally choose present design for use, the effect of its spraying has improved 50% at least than original ordinary water spraying's effect, and the dust fall effect promotes greatly, and the worker's in the pit operational environment further obtains improving to reduce the water consumption, reduced manufacturing cost, thereby improved work efficiency.

Claims (3)

1. The utility model provides a mining machinery gas water atomizer, includes water delivery system, gas delivery system and sprinkler system, wherein, water delivery system includes conduit and control flap, and gas delivery system includes conduit and control flap, and control flap sets up respectively on conduit and conduit, and sprinkler system includes shower nozzle, energy storage ware and shower nozzle safety cover, its characterized in that: the sprayer is arranged on the energy accumulator, the energy accumulator is arranged in the sprayer protective cover, the bottom of the sprayer protective cover is provided with a through hole, and the water pipeline and the gas pipe sleeve respectively penetrate through the through hole to be connected with the energy accumulator.

2. The mining machinery gas-water spraying device of claim 1, wherein: the gas transmission pipeline is also provided with a pressure gauge.

3. The mining machinery gas-water spraying device of claim 1, wherein: the shower nozzle safety cover is cuboid type structure, its open-top, and the energy storage ware size is unanimous with shower nozzle safety cover cross section size to perpendicular with shower nozzle safety cover both sides wall, the shower nozzle sets up two at least, and evenly sets up in the energy storage ware upper surface as required, and water pipeline and gas pipeline set up in the energy storage ware lower surface.

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