CN210919136U - Air-water mixing linkage type spray head for mine dust removal - Google Patents
Air-water mixing linkage type spray head for mine dust removal Download PDFInfo
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- CN210919136U CN210919136U CN201921903715.2U CN201921903715U CN210919136U CN 210919136 U CN210919136 U CN 210919136U CN 201921903715 U CN201921903715 U CN 201921903715U CN 210919136 U CN210919136 U CN 210919136U
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Abstract
The utility model discloses a gas-water mixture coordinated type shower nozzle for mine removes dust, it includes: the water supply system comprises a water inlet pipeline, a compressed air pipeline, a water supply control valve, a compressed air control valve and a spray head; the water inlet pipeline comprises a water inlet main pipe and a water inlet branch pipe, the compressed air pipeline comprises a compressed air main pipe and a compressed air branch pipe, and the water inlet main pipe and the compressed air main pipe are a clean water pipe and a compressed air pipe which are originally arranged on the wall of the mine roadway and extend longitudinally along the wall of the mine roadway; the water inlet branch pipe and the compressed air branch pipe are arranged on the wall of the mine roadway in parallel and surrounding up and down along the direction of the mine roadway roof; the water supply control valve and the compressed air control valve are respectively arranged at the pipe orifices of the water inlet branch pipe and the compressed air branch pipe; the shower nozzle is installed on mine tunnel roof, and the inside rivers diffuser of funnel shape that embeds of shower nozzle evenly encircles the spraying hole on the shower nozzle. The utility model discloses regard as power with wind pressure and water pressure, can obviously strengthen the dust fall effect, factor of safety is high, the simple operation, labour saving and time saving maintains simply.
Description
Technical Field
The utility model is suitable for a place that air current purification water curtain was installed to main return air tunnel, coal face entering return air tunnel, tunnelling working face, band conveyer lane and other needs in the pit relates to the one leads to three proofings technical field in the mineworker colliery, in particular to a gas-water mixture coordinated type shower nozzle for mine removes dust.
Background
Mine dust is one of the biggest factors which troubles the underground safety production all the time, and the harm is great. Workers engaged in mining and dust working environments for a long time are easy to cause pneumoconiosis; in addition, the sight of workers working in the dust working place is easy to block, and personal accidents are easy to cause in the operation process; the most harm is that coal dust has explosion danger, coal dust explosion accidents are easy to happen, and great threat is brought to safe production of mines.
Traditional full section spraying dust device has many problems in the field usage, and the concrete expression is:
1. the traditional full-section spraying dust-settling device is difficult to manufacture, poor in bending forming and irregular in shape in order to meet the requirements of the section and the shape of a mine roadway, and is not beneficial to transportation and complex in installation.
2. The spray head is many and easy to block up, fragile, and it is short to use water pressure as power spraying distance alone, and the coverage is little and the atomizing effect of spraying is not good.
3. The spraying dust suppression device needs to move at any time along with the extension of tunneling a mine roadway, and the traditional spraying device is large and heavy in size and wastes time and energy during moving.
4. Low recovery rate, increased consumption of material fittings and large water consumption.
At present, a plurality of advanced technologies and equipment are researched in the aspect of spray dust fall, and the effects of dust removal and dust fall are improved by improving the technical process and the equipment, which is the general trend in the aspect of development at present. Therefore, it is necessary to continuously explore the process and method for mine dust removal.
SUMMERY OF THE UTILITY MODEL
To not enough in the above technique, the utility model aims to provide a gas-water mixture coordinated type shower nozzle for mine removes dust, this shower nozzle device carries out new design and transformation to the result of use that makes the shower nozzle obtains promotion, installation and retrieves more portably swiftly, not only water conservation but also environmental protection accord with the demand of current major trend.
The technical scheme of the utility model is realized like this:
a air-water mixing coordinated type shower nozzle for mine dust removal, it includes: the water supply system comprises a water inlet pipeline, a compressed air pipeline, a water supply control valve, a compressed air control valve and a spray head;
the water inlet pipeline comprises a main water inlet pipe and a branch water inlet pipe, wherein the main water inlet pipe is a clear water pipe which is originally arranged on two side surfaces of the wall of the mine roadway and longitudinally extends along the wall of the mine roadway; the water inlet branch pipe is arranged on the wall of the mine roadway in an up-and-down surrounding manner along the direction of the mine roadway roof;
the compressed air pipeline comprises a compressed air main pipe and compressed air branch pipes, and the compressed air main pipe is a compressed air pipe which is originally arranged on two side surfaces of the wall of the mine roadway and longitudinally extends along the wall of the mine roadway; the compressed air branch pipe is arranged on the wall of the mine roadway in an up-and-down surrounding manner along the direction of the mine roadway roof; the water supply control valve is arranged at a water source inlet of the water inlet branch pipe, and the compressed air control valve is arranged at a pipe orifice of the compressed air branch pipe; the spray heads are arranged at the left and right positions on the mine roadway roof, each spray head comprises a spray head upper part and a spray head lower part, and the spray head upper parts and the spray head lower parts are connected through threads; the spray head is connected with the water inlet branch pipe through a water inlet pipeline connector, and the spray head is connected with the compressed air branch pipe through a compressed air pipeline connector; a funnel-shaped water flow diffuser is arranged in the spray head and connected with the upper part of the spray head through an annular fastener; the spray hole, the water receiving hole and the air receiving hole are uniformly surrounded on the spray head, and the water receiving hole and the air receiving hole are powered by water pressure and air pressure together.
Preferably, the upper part and the lower part of the spray head are connected into a detachable structure through threads, and a sealing ring is arranged at the joint of the upper part and the lower part of the spray head.
Preferably, the water inlet pipeline connector and the compressed air pipeline connector are connected through threads, and a sealing ring is installed at the joint of the water inlet pipeline connector and the compressed air pipeline connector.
Preferably, the spray holes are arranged at a divergent angle.
Preferably, the water inlet main pipe and the compressed air main pipe are arranged on the wall of the mine roadway in parallel; the water inlet main pipe and the water inlet branch pipe, and the compressed air main pipe and the compressed air branch pipe are vertically connected.
Preferably, the water supply control valve can control the water inflow of the water inlet branch pipe; the compressed air control valve can control the air pressure of the compressed air branch pipe.
Preferably, the number of the spray heads can be selected according to the area of the roadway, one or more spray heads can be installed, and a single spray head can cover 6-7 square meters of the roadway section.
Preferably, the water supply branch pipe adopts a high-pressure rubber pipe with the diameter of 20mm, and the air pressure branch pipe adopts a high-pressure rubber pipe with the diameter of 25 mm.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model provides a gas-water mixture coordinated type shower nozzle for mine removes dust is small, light in weight, and it is simple and direct to dismantle and install, removes and maintains the convenience, labour saving and time saving.
(2) The utility model provides a gas-water mixture coordinated type shower nozzle for mine removes dust adopts helicitic texture, can dismantle the orifice of clearance jam when appearing blockking up.
(3) The utility model provides a gas-water mixture coordinated type shower nozzle coverage area for mine removes dust is big, and atomization effect is good and be convenient for retrieve.
(4) The utility model provides a single shower nozzle that is used for gas water mixture coordinated type shower nozzle of mine dust removal can cover 6-7 square meter mine tunnel sections, and the sluice is opened 1/5 to 1/10 and can be reached the ideal effect, can play the purpose of this saving and consumption reduction.
Drawings
FIG. 1 is a schematic view of the installation of the air-water mixing linkage type nozzle for mine dust removal of the present invention; and
FIG. 2 is a schematic structural view of the air-water mixed linkage type nozzle for mine dust removal.
Description of reference numerals:
the device comprises a clean water pipe 1, a compressed air pipe 2, a compressed air control valve 3, a water supply control valve 4, a high-pressure rubber pipe 5 with the diameter of 20mm, a high-pressure rubber pipe 6 with the diameter of 25mm, a spray head 7, a roadway wall 8, a roadway top plate 9, a spray head 11, a spray head 12, a spray head lower part 13, a water flow diffuser 14, a spray hole 15, a sealing ring 16, a water inlet pipeline connector and a compressed air pipeline connector 17.
Detailed Description
The technical contents, structural features, and achieved objects and effects of the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a gas-water mixture coordinated type shower nozzle for mine removes dust, as shown in figure 1, include: a water inlet pipeline, a compressed air pipeline, a water supply control valve 4, a compressed air control valve 3 and a spray head 7.
The water inlet pipeline comprises a main water inlet pipe and a branch water inlet pipe, the main water inlet pipe is a clear water pipe 1 which is originally arranged on two side surfaces of the wall 8 of the mine roadway and longitudinally extends along the wall 8 of the mine roadway; the water inlet branch pipe adopts a high-pressure rubber pipe 5 with the diameter of 20mm, and is arranged on the wall 8 of the mine roadway in an up-and-down surrounding manner along the direction of a mine roadway roof 9;
the compressed air pipeline comprises a compressed air main pipe and compressed air branch pipes, and the compressed air main pipe is a compressed air pipe 2 which is originally arranged on two sides of the wall 8 of the mine roadway and longitudinally extends along the wall 8 of the mine roadway; the compressed air branch pipe adopts a high-pressure rubber pipe 6 with the diameter of 25mm, and is arranged on the wall 8 of the mine roadway in an up-and-down surrounding manner along the direction of a mine roadway roof 9;
the water supply control valve 4 is arranged at a water source inlet of a water inlet branch pipe, namely a high-pressure rubber pipe 5 with the diameter of 20mm, and the compressed air control valve 3 is arranged at a compressed air branch pipe, namely a pipe orifice of a high-pressure rubber pipe 6 with the diameter of 25 mm;
the spray heads 7 are arranged at the left and right positions on the mine roadway roof 9, water receiving holes and air receiving holes are formed in the spray heads 7, the spray heads are connected with the water inlet branch pipes and the air pressing branch pipes through water inlet pipeline connectors 16 and air pressing pipeline connectors 17, and power is provided by air pressure and water pressure; the installation quantity of the spray heads 7 can be determined according to the area of the roadway, and a single air-water mixing linkage type spray head can cover 6-7 square meters of the cross section of the roadway.
As shown in fig. 2, the gas-water mixing linkage type nozzle 7 comprises a nozzle upper part 11 and a nozzle lower part 12; a funnel-shaped water flow diffuser 13 is arranged in the spray head 7, and the water flow diffuser 13 is connected with the upper part of the spray head through an annular fastener; the spray head is uniformly surrounded by spray holes 14. When the spray holes 14 are clogged, the head upper part 11 and the head lower part 12 of the head are removed by screwing to clean the clogging substances in the spray holes 14. The spray holes 14 are arranged in a diffusion angle, so that the whole mine roadway section can be completely covered, and the atomization effect of the spray head 7 is improved.
The spray head 7 is made of round steel, the upper part 11 of the spray head is connected with the lower part 12 of the spray head through threads, and a sealing ring 15 is arranged at the joint of the spray head and the lower part; the water inlet pipeline connector 16 is connected with the compressed air pipeline connector 17 through threads, and a sealing ring is also arranged at the joint of the water inlet pipeline connector and the compressed air pipeline connector to prevent water leakage and air leakage.
The water supply control valve can control the water inflow of the water inlet branch pipe; the compressed air control valve can control the air pressure of the compressed air branch pipe, and the spraying range on the spray head can be controlled by adjusting the water supply control valve and the compressed air control valve.
The utility model discloses a development principle that is used for air water mixture coordinated type shower nozzle of mine dust removal as follows:
traditional full-face spraying distributes water to each spray head through a water supply pipe with the diameter of 20mm, sprays the water out through the spray heads under the action of water pressure, and is attenuated and gradually falls under the action of gravity when reaching a distance. The air-water mixing linkage type spray nozzle is characterized in that the upper part and the lower part of the spray nozzle are made of round steel with the diameter of 40mm, the joint of the upper part and the lower part of the spray nozzle is connected through internal and external threads, and a sealing ring is arranged at the joint to prevent air leakage and water leakage. A water inlet with the diameter of 10mm is formed in the side face of the spray head, and an air inlet with the diameter of 20mm is formed in the bottom of the spray head. The air inlet and the water inlet are turned into internal threads, the matched compressed air pipeline connector and the matched water inlet pipeline connector are turned into external thread hollow pipes which are respectively welded with a straight-through half with the diameter of 25mm and the diameter of 20mm, and the U-shaped clamp is utilized to fix the high-pressure rubber pipe to be connected with the underground compressed air pipeline and the water inlet pipeline, so that the structure capable of realizing water supply and air supply simultaneously is achieved. The funnel-shaped water supply device is manufactured in the spray head, the diameter of the upper opening of the funnel is 30mm, the height of the upper opening of the funnel is 17mm, the diameter of the lower opening of the funnel is 20mm, and water can reach better diffusion effect under the action of wind pressure through the funnel water supply device. When in use, the spraying device is hung in the middle of a roadway top plate, and is communicated with an air-water pipeline, so that systematic spraying is realized under the combined action of air and water.
The specific embodiment is as follows:
now use the utility model provides a test of air water mixture coordinated type shower nozzle in two belt transport big lanes for mine dust removal is the example and further explains this application.
The air-water mixing linkage type spray head is characterized in that a clear water pipe 1 and a compressed air pipe 2 are communicated with a water inlet branch pipe and a compressed air branch pipe to supply water and air to the air-water mixing linkage type spray head, so that a water supply combined system and an air supply combined system are formed. The compressed air branch pipe is provided with a compressed air control valve 3 for controlling the air pressure.
The clear water pipe 1 and the compressed air pipe 2 are connected firstly, and the water pressure and the air pressure are adjusted.
The upper part 11 and the lower part 12 of the spray head are made of round steel with the diameter of 40mm, the joint of the upper part and the lower part of the spray head is connected through threads, and the joint is provided with a sealing ring 15 to prevent air leakage and water leakage.
The water inlet pipeline connector and the compressed air pipeline connector are connected through threads, and the sealing ring is arranged at the joint of the water inlet pipeline connector and the compressed air pipeline connector to prevent air leakage and water leakage.
When the air-water mixed linkage type spray head is used, the spray head 7 is hung in the middle of a mine roadway roof 9 and is connected with a compressed air branch pipe and a water inlet branch pipe through a water inlet pipeline connector 16 and a compressed air pipeline connector 17, a compressed air control valve 3 is opened firstly, and air is used as first power; then the water supply control valve 4 is opened, water is used as a second power source, and therefore a spray cluster with a large coverage area is formed by means of the pressure of wind, and mine dust in a mine roadway is directly acted, so that systematic spraying is achieved.
In the dust removal process, the water supply control valve 4 is adjusted to control the water supply amount, so that the atomization state can be changed as required. The air pressure is controlled by the compressed air control valve 3, so that the spraying range of the spray head 7 is adjusted, water sources can be saved, and the best atomization effect can be achieved.
When the air-water mixing linkage type spray head is closed, the water supply control valve 4 is closed to stop supplying water, and then the compressed air control valve 3 is closed to stop supplying air, so that all water stored in the water inlet pipeline can be converted into water mist by means of wind power.
After the air-water mixed linkage type spray head is used in a west open coal mine two belt transportation main roadway test, more than 80% of flying coal dust in the transportation main roadway is reduced, the transportation main roadway environment is improved, and a good effect is achieved. The effects before and after dust fall by using the air-water mixing linkage type spray head are shown in a table 1.
Table 1: comparison table for effects before and after dust fall by using air-water mixed linkage type spray head
In summary, the spray head adopts the built-in funnel-shaped water supply device, so that water can be uniformly distributed to each spray hole of the spray head, the water curtain effect sprayed by the spray head is more uniform, and the phenomenon that water sprayed by individual spray holes is too small or no water exists is avoided.
This shower nozzle utilizes the wind pressure of pressure tuber pipe, has strengthened the pressure in the injection water curtain, and the spray hole is the diffusion angle setting moreover, and the change of spray hole angle has realized rivers to spread all around, makes area of coverage, scope and the effect of shower nozzle obtain further optimization.
After installing air water mixing coordinated type shower nozzle, the spraying effect is splendid, and the dust fall rate reaches more than 80%, and the operation environment has obtained great improvement, has played positive effect for the healthy of protection worker, has eliminated the phenomenon of mine tunnel laying dust simultaneously, has ensured the safety in production in colliery.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The utility model provides a gas-water mixture coordinated type shower nozzle for mine removes dust which characterized in that, it includes: the water supply system comprises a water inlet pipeline, a compressed air pipeline, a water supply control valve, a compressed air control valve and a spray head;
the water inlet pipeline comprises a main water inlet pipe and a branch water inlet pipe, wherein the main water inlet pipe is a clear water pipe which is originally arranged on two side surfaces of the wall of the mine roadway and longitudinally extends along the wall of the mine roadway; the water inlet branch pipe is arranged on the wall of the mine roadway in an up-and-down surrounding manner along the direction of the mine roadway roof;
the compressed air pipeline comprises a compressed air main pipe and compressed air branch pipes, and the compressed air main pipe is a compressed air pipe which is originally arranged on two side surfaces of the wall of the mine roadway and longitudinally extends along the wall of the mine roadway; the compressed air branch pipe is arranged on the wall of the mine roadway in an up-and-down surrounding manner along the direction of the mine roadway roof;
the water supply control valve is arranged at a water source inlet of the water inlet branch pipe, and the compressed air control valve is arranged at a pipe orifice of the compressed air branch pipe;
the spray heads are arranged at the left and right positions on the mine roadway roof, each spray head comprises a spray head upper part and a spray head lower part, and the spray head upper parts and the spray head lower parts are connected through threads; the spray head is connected with the water inlet branch pipe through a water inlet pipeline connector, and the spray head is connected with the compressed air branch pipe through a compressed air pipeline connector; a funnel-shaped water flow diffuser is arranged in the spray head and connected with the upper part of the spray head through an annular fastener; the spray hole, the water receiving hole and the air receiving hole are uniformly surrounded on the spray head, and the water receiving hole and the air receiving hole are powered by water pressure and air pressure together.
2. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the upper part and the lower part of the spray head are connected into a detachable structure through threads, and a sealing ring is installed at the joint of the spray head and the spray head.
3. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the water inlet pipeline connector and the compressed air pipeline connector are connected through threads, and a sealing ring is installed at the joint of the water inlet pipeline connector and the compressed air pipeline connector.
4. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the spray holes are arranged in a diffusion angle.
5. The air-water mixed linkage type spray head for mine dust removal according to claim 1, wherein the main water inlet pipe and the main compressed air pipe are arranged in parallel on the wall of a mine roadway; the water inlet main pipe and the water inlet branch pipe, and the compressed air main pipe and the compressed air branch pipe are vertically connected.
6. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the water supply control valve controls the water inflow of the water inlet branch pipe; the compressed air control valve controls the air pressure of the compressed air branch pipe.
7. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the number of spray heads can be selected according to the area of a roadway, one or more spray heads can be installed, and a single spray head can cover a roadway section of 6-7 square meters.
8. The air-water mixing linkage type spray head for mine dust removal according to claim 1, wherein the water inlet branch pipe adopts a high-pressure rubber pipe with the diameter of 20mm, and the air pressure branch pipe adopts a high-pressure rubber pipe with the diameter of 25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921903715.2U CN210919136U (en) | 2019-11-06 | 2019-11-06 | Air-water mixing linkage type spray head for mine dust removal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921903715.2U CN210919136U (en) | 2019-11-06 | 2019-11-06 | Air-water mixing linkage type spray head for mine dust removal |
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| CN210919136U true CN210919136U (en) | 2020-07-03 |
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| CN201921903715.2U Active CN210919136U (en) | 2019-11-06 | 2019-11-06 | Air-water mixing linkage type spray head for mine dust removal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251114A (en) * | 2022-01-21 | 2022-03-29 | 安徽理工大学 | Movable efficient dust collecting device for full section of excavation roadway and operation method |
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2019
- 2019-11-06 CN CN201921903715.2U patent/CN210919136U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251114A (en) * | 2022-01-21 | 2022-03-29 | 安徽理工大学 | Movable efficient dust collecting device for full section of excavation roadway and operation method |
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