CN211950569U - Mechanical mine dust settling main machine - Google Patents
Mechanical mine dust settling main machine Download PDFInfo
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- CN211950569U CN211950569U CN202020629747.4U CN202020629747U CN211950569U CN 211950569 U CN211950569 U CN 211950569U CN 202020629747 U CN202020629747 U CN 202020629747U CN 211950569 U CN211950569 U CN 211950569U
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Abstract
The utility model relates to a colliery dust fall equipment technical field specifically is a mining dust fall host computer of mechanical type, including the pneumatic valve, the pneumatic valve sets up on the water pipeling, and the host computer includes first gas storage device, first flow control device, first pneumatic valve, and the air supply passes through the gas pipeline and connects gradually with first pneumatic valve, and first gas storage device, first flow control device pass through the gas pipeline and are connected with first pneumatic valve, the switching of control pneumatic valve; the main machine also comprises a second gas storage device, a second flow control device and a pneumatic reversing valve, wherein the second gas storage device and the second flow control device are connected with the pneumatic reversing valve through gas pipelines; the air source is connected with the pneumatic reversing valve, and the pneumatic reversing valve is connected with the first air storage device through an air pipeline. The utility model discloses a host computer configuration optimization need not use the electric energy, compares in prior art, and the security performance is high. The control host is applied to the mine dust settling system, and the overall performance of the mine dust settling system is correspondingly improved.
Description
Technical Field
The utility model relates to a colliery dust fall equipment technical field specifically is a mining dust fall host computer of mechanical type.
Background
With the development of the coal industry in China, the productivity of coal mines also rises sharply, the production capacity of mines is improved continuously, and coal dust and dust generated in the production process of the mines are increased continuously. In the prior art, the coal dust in production is reduced by adopting dust settling equipment for mines, and green mining is realized.
Generally, the mining dust fall equipment comprises a host and a spraying system, wherein the host is used for controlling the operation of the whole system, and the spraying system is used for sending spraying water.
The host machine in the prior art adopts two modes of electric control and mechanical control.
When the host computer adopts the automatically controlled structure, the power supply mode mainly includes two kinds: one is a wired host connected to an external power source through a wire, and the other is a wireless host using a battery.
Wherein, through the wired host computer of circuit connection power, it is too troublesome to arrange the circuit, eliminates this type of host computer gradually among the prior art. The wireless host machine adopting the battery has limited capacity, most host machines need to replace the battery once in 2-3 months, the service life of the battery is difficult to exceed one year, the battery needs to go deep into the mine when being replaced, time and labor are wasted, and the working efficiency is also influenced.
In addition, in areas such as an air return way of an underground mine, the gas concentration is high, and the gas is easy to explode when meeting electric sparks under certain concentration, so that certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a mining dust fall host computer of mechanical type, mainly used colliery environment is administered, especially under the high gas environment.
In order to solve the technical problem, the utility model provides a following technical scheme:
a mechanical mine dust fall host controls a spraying system, the spraying system is arranged in a mine, and the spraying system sprays water or water mist, so that coal dust in the mine is reduced.
The mining dust fall host comprises a pneumatic valve, wherein the pneumatic valve is arranged on a water pipeline and controls the water pipeline to be opened and closed. The main machine comprises a first gas storage device, a first flow control device and a first pneumatic valve, a gas source is sequentially connected with the first pneumatic valve and the pneumatic valve through gas pipelines, and the first gas storage device and the first flow control device are connected with the first pneumatic valve through gas pipelines to control the pneumatic valve to be opened and closed; the main machine also comprises a second gas storage device, a second flow control device and a pneumatic reversing valve, wherein the second gas storage device and the second flow control device are connected with the pneumatic reversing valve through gas pipelines; the air source is connected with the pneumatic reversing valve, and the pneumatic reversing valve is connected with the first air storage device through an air pipeline.
In the structure, the spraying time is determined by the difference between the pressure of the first gas storage device and the pressure threshold value of the first pneumatic control valve, the gas storage quantity of the first gas storage device and the flow controlled by the first flow control device;
the first flow control device and the second flow control device have different set flow values, and the flow difference between the first flow control device and the second flow control device determines the spray stopping time.
The utility model discloses in, pneumatic valve adopt prior art, this kind of pneumatic valve relies on gas pressure action. When the pressure of the compressed air is greater than the pressure threshold value of the pneumatic valve, the valve is opened, and when the pressure is less than the threshold value, the pneumatic valve is automatically closed. The pneumatic valve can be one of an angle seat valve, a pneumatic ball valve and a pneumatic butterfly valve.
The air source, the pneumatic reversing valve and the second flow control device are sequentially connected, and during spraying, the second air storage device can be inflated through two gas pipelines to reach a preset pressure.
The main machine comprises a shell, and the pneumatic valve, the first pneumatic control valve, the pneumatic reversing valve, the first air storage device, the first flow control device, the second air storage device and the second flow control device are arranged inside the shell.
The main machine comprises a shell, and a pneumatic valve, a first pneumatic control valve, a pneumatic reversing valve, a first air storage device, a first flow control device, a second air storage device and a second flow control device are arranged on the outer surface of the shell.
And a second pneumatic control valve is arranged between the air source and the first pneumatic control valve, the second pneumatic control valve is connected with the spray head through an air outlet pipeline, and a pneumatic valve water outlet pipeline is connected with the spray head. The gas fed by the gas source can be used for controlling the action of the pneumatic valve and can also be used as a gas source for spraying and atomizing.
The pneumatic reversing valve is respectively connected with a third pneumatic control valve and a fourth pneumatic control valve, the third pneumatic control valve and the fourth pneumatic control valve are respectively connected with a gas source through gas pipelines, the fourth pneumatic control valve is connected with a reset switch, and the reset switch is connected with the gas source through the gas pipelines. When the host can not be used normally, the reset switch is pressed down, the initial value can be recovered, and normal spraying and spraying stopping circulation is started.
The utility model discloses the beneficial effect who reaches is:
the utility model is suitable for a coal preparation factory, cement plant, power plant, colliery coal mining crossheading in the pit, combine to dig belt lane, main belt haulage way, belt aircraft nose dustproof and prevent putting out a fire, each wing haulage main lane, various reprinting point, shaft bottom parking lot, general dig return airway, blasting operation, whitewashing operation locomotive haulage coal road, combine to adopt the environment that hydraulic support automatic spraying etc. contain dust and explosive gas.
The utility model discloses a host computer configuration optimization need not use the electric energy, compares in prior art, and the security performance is high.
The control host is applied to the mine dust settling system, and the overall performance of the mine dust settling system is correspondingly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a control schematic diagram of the present invention.
In the figure: 1. a housing; 2. an air inlet; 3. a water inlet; 4. an exhaust port; 5. a water outlet; 61. a first flow control device; 62. a second flow control device; 7. an oil-water separator; 8. a pneumatic valve; 9. a pneumatic directional control valve; 101. a first gas storage device; 102. a second gas storage device; 11. a reset switch; 12. a second pneumatic control valve; 13. a third pneumatic control valve; 14. a fourth pneumatic control valve; 15. a first pneumatic valve; 16. and (4) a gas source.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1, 2 and 3, the mechanical mining dust fall host comprises a pneumatic valve 8, wherein the pneumatic valve 8 is arranged on a water pipeline to control the opening and closing of the water pipeline, and the water pipeline is connected with a spray head of a spraying system to supply water for the spray head. The main machine comprises a first gas storage device 101, a first flow control device 61 and a first pneumatic control valve 15, a gas source 16 is sequentially connected with the first pneumatic control valve 15 and the pneumatic valve 8 through gas pipelines, and the first gas storage device 101 and the first flow control device 61 are connected with the first pneumatic control valve 15 through gas pipelines so as to control the on-off of the pneumatic valve 8.
The main machine further comprises a second gas storage device 102, a second flow control device 62 and a pneumatic reversing valve 9, wherein the second gas storage device 102 and the second flow control device 62 are connected with the pneumatic reversing valve 9 through gas pipelines; the air source 16 is connected with the pneumatic reversing valve 9, and the pneumatic reversing valve 9 is connected with the first air storage device 101 and the second air storage device 102 through air pipelines respectively.
The pneumatic valve 8 is an angle seat valve.
The pneumatic direction changing valve 9 is selected from direction control valves among pneumatic control valves.
The first gas storage device 101 and the second gas storage device 102 are gas storage cylinders.
The first flow control device 61 and the second flow control device 62 may be selected from the prior art, and for better reading and controlling the flow rate, the first and second flow control devices may include flow meters, such as rotameters.
The gas source 16, the pneumatic reversing valve 9 and the second flow control device 62 are connected in sequence, and during the spraying period, the second gas storage device 102 can be inflated through two gas pipelines to reach the preset pressure.
The main machine comprises a shell 1, and the air-operated valve 8, the first air-operated valve 15, the pneumatic reversing valve 9, the first air storage device 101, the first flow control device 61, the second air storage device 102 and the second flow control device 62 are arranged inside the shell 1. The shell 1 is connected with an air inlet 2, a water inlet 3, an exhaust port 4 and a water outlet 5, and the air inlet 2 is connected with an air source 16.
And a second pneumatic control valve 12 is arranged between the air source 16 and the first pneumatic control valve 15, the second pneumatic control valve 12 is connected with the spray head through an air outlet pipeline, and an air outlet pipeline of the pneumatic valve 8 is connected with the spray head. The gas supplied from the gas source 16 may be used not only to control the operation of the pneumatic valve 8, but also as a source of gas for the spray mist.
The pneumatic reversing valve 9 is respectively connected with a third pneumatic control valve 13 and a fourth pneumatic control valve 14, the third pneumatic control valve 13 and the fourth pneumatic control valve 14 are respectively connected with an air source 16 through air pipelines, the fourth pneumatic control valve 14 is connected with a reset switch 11, and the reset switch 11 is connected with the air source 16 through an air pipeline. When the host can not be used normally, the reset switch 11 is pressed to restore the initial value, and normal spraying and spraying stopping circulation is started.
An oil-water separator 7 is arranged on a gas pipeline of the gas source 16 entering the shell 1 for purifying the inlet gas.
The utility model discloses a concrete control process does:
the inlet air of the air source 16 is purified by the oil-water separator 7 and then enters the inlet of the pneumatic reversing valve 9, the first outlet of the pneumatic reversing valve 9 is opened, the second outlet of the pneumatic reversing valve 9 is closed, the air flows to the first air storage device 101, the reversing control port of the first pneumatic valve 15 and the first flow control device 61 through the first outlet, the outlet air of the first air storage device 101 flows to the first flow control device 61, the first flow control device 61 exhausts air at a set flow, the exhaust speed of the first air storage device 101 is lower than the inlet air speed, therefore, the pressure of the air sent out from the first outlet of the pneumatic reversing valve 9 is gradually increased to a certain pressure, the first pneumatic valve 15 can be opened, the first pneumatic valve 15 is opened, the air of the air source 16 flows to the pneumatic valve 8 and the second pneumatic valve 12 through the first pneumatic valve 15, the pneumatic valve 8 is a corner seat valve, the inlet air sent in by the first pneumatic valve 15 opens the inlet air at the lower part of the corner seat valve, the angle seat valve opens the water way, the first air control valve 15 leads gas to the control port of the second air control valve 12, the second air control valve 12 is opened, and therefore water and gas are opened to start spraying.
Meanwhile, the third pneumatic control valve 13 is opened, and a part of the gas from the gas source 16 enters the control port of the pneumatic reversing valve 9 through the third pneumatic control valve 13, so that the pneumatic reversing valve 9 opens both the first outlet and the second outlet at the same time, and the gas entering the pneumatic reversing valve 9 is sent out through the two outlets respectively. The gas sent out from the second outlet respectively passes through the second gas storage device 102 and the second flow control device 62, the second flow control device 62 continuously deflates outwards at a set flow, the deflation speed is higher than the air inlet speed, so that the pressure at the second outlet is gradually reduced, meanwhile, the pressure at the first outlet is synchronously reduced, when the pressure at the first outlet is lower than the opening pressures of the first pneumatic control valve 15 and the third pneumatic control valve 13, the first pneumatic control valve 15 is closed, the pneumatic valve 8 and the second pneumatic control valve 12 are closed, and the spraying operation is stopped. The third pneumatic control valve 13 is closed, the pneumatic directional control valve 9 is switched, and only the first outlet is opened. Then, the host computer starts to repeat the process, and the circulation of spraying and stopping spraying is alternately carried out. The preset discharge flow of the two flow control devices can realize the regulation and control of the spraying and spray stopping time.
When the host cannot be used normally, the reset switch 11 is pressed, gas in the gas pipeline is introduced into the control port of the fourth pneumatic control valve 14, the fourth pneumatic control valve 14 is opened, the pneumatic reversing valve 9 is reset, and therefore the host can be recovered to be normal.
The control process depends on the main principle that: the difference between the pressure of the first gas storage device 101 and the pressure threshold of the first pneumatic valve 15, the gas storage amount of the first gas storage device 101 and the flow controlled by the first flow control device 61 determine the spraying time; the first flow rate control device 61 and the second flow rate control device 62 have different set flow rate values, and the flow rate difference between the two determines the stop time. The specific control process can be adjusted, for example, the gas storage device can be pre-filled with pressure gas.
The utility model discloses a structure advantage:
1) the water consumption of the equipment is low, and water accumulation cannot be caused after long-term use;
2) the comprehensive dust settling efficiency of the device is more than 90%;
3) the product is of a non-electric control structure, and the problems of explosion loss and faults caused by the performance of electrical elements are solved; the inconvenience caused by power failure and production stop during installation or maintenance of the electric control spraying device is solved.
4) The device is fast and convenient to install, and can be used for plugging a plurality of interfaces according to a schematic diagram at a position suitable for installation without power failure and production halt;
5) the passive situation that automatic control must rely on the power is changed, and the pneumatic automatic control is realized by using compressed air in a coal mine air pressure pipeline as power. A mist of PM50 is formed in the special air-water mixture spray water curtain, and dustfall work is performed under set conditions in a specific space. The aims of automatically spraying and reducing dust and improving the working environment are ensured.
Claims (7)
1. A mining dust fall host comprises a pneumatic valve (8), wherein the pneumatic valve (8) is arranged on a water pipeline, and is characterized in that the host comprises a first gas storage device (101), a first flow control device (61) and a first pneumatic control valve (15), a gas source (16) is sequentially connected with the first pneumatic control valve (15) and the pneumatic valve (8) through gas pipelines, and the first gas storage device (101) and the first flow control device (61) are connected with the first pneumatic control valve (15) through gas pipelines to control the on-off of the pneumatic valve (8); the main machine also comprises a second gas storage device (102), a second flow control device (62) and a pneumatic reversing valve (9), wherein the second gas storage device (102) and the second flow control device (62) are connected with the pneumatic reversing valve (9) through gas pipelines; the air source (16) is connected with the pneumatic reversing valve (9), and the pneumatic reversing valve (9) is connected with the first air storage device (101) through an air pipeline.
2. The mining dustfall host machine of claim 1, characterized in that the pneumatic valve (8) is one of a corner seat valve, a pneumatic ball valve, a pneumatic butterfly valve.
3. The mining dust fall host machine according to claim 1, characterized in that the air source (16), the pneumatic reversing valve (9) and the second flow control device (62) are connected in sequence.
4. The mining dust fall host machine according to claim 1, characterized by comprising a housing (1), wherein the pneumatic valve (8), the first pneumatic control valve (15), the pneumatic reversing valve (9), the first air storage device (101), the first flow control device (61), the second air storage device (102) and the second flow control device (62) are arranged inside the housing (1).
5. The mining dust fall host machine according to claim 1, characterized by comprising a shell (1), wherein the pneumatic valve (8), the first pneumatic control valve (15), the pneumatic reversing valve (9), the first air storage device (101), the first flow control device (61), the second air storage device (102) and the second flow control device (62) are arranged on the outer surface of the shell (1).
6. The mining dust fall host machine according to claim 1, characterized in that a second pneumatic control valve (12) is arranged between the air source (16) and the first pneumatic control valve (15), the second pneumatic control valve (12) is connected with the spray head through an air outlet pipeline, and an water outlet pipeline is connected with the spray head.
7. The mining dust fall host machine according to claim 1, wherein the pneumatic reversing valve (9) is respectively connected with a third pneumatic control valve (13) and a fourth pneumatic control valve (14), the third pneumatic control valve (13) and the fourth pneumatic control valve (14) are respectively connected with an air source (16) through air pipelines, the fourth pneumatic control valve (14) is connected with a reset switch (11), and the reset switch (11) is connected with the air source (16) through an air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629747.4U CN211950569U (en) | 2020-04-23 | 2020-04-23 | Mechanical mine dust settling main machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629747.4U CN211950569U (en) | 2020-04-23 | 2020-04-23 | Mechanical mine dust settling main machine |
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| CN211950569U true CN211950569U (en) | 2020-11-17 |
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| CN202020629747.4U Active CN211950569U (en) | 2020-04-23 | 2020-04-23 | Mechanical mine dust settling main machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325883A (en) * | 2021-05-18 | 2021-08-31 | 常熟市通防电器有限公司 | Mining timing spraying dust-settling control device |
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- 2020-04-23 CN CN202020629747.4U patent/CN211950569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325883A (en) * | 2021-05-18 | 2021-08-31 | 常熟市通防电器有限公司 | Mining timing spraying dust-settling control device |
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