CN216642185U - Gas explosion prevention atomization device for coal mine - Google Patents
Gas explosion prevention atomization device for coal mine Download PDFInfo
- Publication number
- CN216642185U CN216642185U CN202220033332.XU CN202220033332U CN216642185U CN 216642185 U CN216642185 U CN 216642185U CN 202220033332 U CN202220033332 U CN 202220033332U CN 216642185 U CN216642185 U CN 216642185U
- Authority
- CN
- China
- Prior art keywords
- compressed air
- atomized liquid
- gas
- fixed
- mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000889 atomisation Methods 0.000 title claims abstract description 14
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 238000004880 explosion Methods 0.000 title claims abstract description 12
- 230000002265 prevention Effects 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 10
- 210000003437 trachea Anatomy 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 238000005065 mining Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Abstract
The utility model discloses a gas explosion prevention atomization device for a coal mine, which comprises a mounting plate and a connecting plate, wherein the mounting plate is fixed with the top of a mine through a wall-in bolt, the connecting plate passes through a through hole in the mounting plate through the wall-in bolt to be fixed with the top of the mine, an atomized liquid box and a compressed air box are fixedly welded below the connecting plate, the compressed air box is positioned at the central position of the lower surface of the atomized liquid box, a disk-shaped injection disc is arranged below the compressed air box, the upper surface of the injection disc passes through the through hole in the mounting plate through the wall-in bolt to be fixed with the top of the mine, and a plurality of through water pipes are arranged between the atomized liquid box and the injection disc. The device is convenient to arrange and install, can realize continuous monitoring, has a good spraying and atomizing range and effect, and can effectively improve the safety of underground operation of constructors.
Description
Technical Field
The utility model relates to the technical field of mining safety protection equipment, in particular to a gas explosion prevention atomization device for a coal mine.
Background
The gas is a harmful gas mainly comprising methane in a coal bed gas in a mine, and is sometimes independently referred to as methane (CH4), the gas is colorless, tasteless and odorless, has a relative density of 0.55 to air, is insoluble in water, nontoxic, and can cause people to suffocate and die when the concentration is higher, wherein the gas explosion condition is as follows: the gas concentration is 5% -16%, the temperature of an ignition source is 650-750 ℃, the oxygen concentration is more than 12%, great potential safety hazards are caused to underground constructors, the detection area of atomization equipment in the prior art is incomplete, monitoring equipment is difficult to place in different areas and cannot be continuously detected, and in addition, when atomized liquid is sprayed, the spraying range is small, the speed is low, and the safety of underground construction operation cannot be effectively improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a gas explosion prevention atomization device for a coal mine, which is convenient to arrange and install, can realize continuous monitoring, has a good spray atomization range and effect, and can effectively improve the safety of underground operation of constructors.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a gas explosion prevention atomization device for a coal mine comprises a mounting plate and a connecting plate, wherein the mounting plate is fixed with the top of a mine through a wall-entering bolt, the connecting plate passes through a through hole in the mounting plate through the wall-entering bolt and is fixed with the top of the mine, an atomized liquid box and a compressed air box are fixedly welded below the connecting plate, the compressed air box is positioned at the central position of the lower surface of the atomized liquid box, a disc-shaped injection disc is arranged below the compressed air box, the upper surface of the injection disc passes through the through hole in the mounting plate through the wall-entering bolt and is fixed with the top of the mine, a plurality of through water pipes are arranged between the atomized liquid box and the injection disc, a through air pipe is arranged between the compressed air box and the central position of the upper surface of the injection disc, a plurality of injection holes are arranged around the injection disc, and a control box body is arranged at the central position of the lower surface of the injection disc, the control box body below be fixed with hollow monitoring pipe, the trachea lower extreme enter into the inside region of injection dish and be equipped with the automatically controlled switch valve, the inside gas concentration monitor that is equipped with of monitoring pipe, automatically controlled switch valve and gas concentration monitor control line all be connected to inside the control box body through the trough.
Further, the control box body inside be equipped with controller and power, the power pass through the circuit and be connected with the controller, the controller control line pass through the trough and externally connect to electric switch valve and gas concentration monitor on.
Furthermore, a plurality of through water pipes are positioned at the periphery of the central air pipe, and the atomized liquid in the atomized liquid box is sprayed out from the spray holes by the power provided by the compressed air in the air pipe.
Furthermore, the outer side surface of the atomized liquid box is provided with a liquid inlet and outlet opening and closing port, and the outer side surface of the compressed air box is provided with a gas injection vent hole.
Compared with the prior art, the utility model has the following beneficial effects:
the spray disk structure is arranged, so that the spray range and the spray effect of the atomized liquid can be improved; by arranging the mounting plate, the connecting plate, the injection disc and other components, on one hand, the device is convenient to mount in different underground areas, and on the other hand, the connecting plate, the injection disc and other components can be independently dismounted, so that the components are convenient to repair and maintain; by adopting the components such as the controller, the power supply, the gas concentration monitor and the like, the continuous monitoring work can be carried out on the designated area, and the safety of the underground operation of constructors is integrally improved.
Drawings
FIG. 1 is a schematic view of the present invention showing the whole structure disassembled;
FIG. 2 is a schematic view of the internal wiring connections of the jet plate of the present invention;
in the figure: 1. a wall-entering bolt; 2. mounting a plate; 3. a connecting plate; 4. an atomized liquid tank; 5. a compressed air tank; 6. an air tube; 7. a water pipe; 8. a spray tray; 9. an injection hole; 10. a control box body; 11. monitoring the pipe; 12. a wiring groove; 13. an electrically controlled switching valve; 14. a power source; 15. a controller; 16. a gas concentration monitor.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific figures.
As shown in figures 1 and 2, the gas explosion prevention atomization device for the coal mine comprises a mounting plate 2 and a connecting plate 3, wherein the mounting plate 2 is fixed with the top of a mine through a wall-entering bolt 1, the connecting plate 3 passes through a through hole on the mounting plate 2 through the wall-entering bolt 1 to be fixed with the top of the mine, an atomized liquid tank 4 and a compressed air tank 5 are fixedly welded below the connecting plate 3, the compressed air tank 5 is positioned at the central position of the lower surface of the atomized liquid tank 4, a disk-shaped injection disk 8 is arranged below the compressed air tank 5, the upper surface of the injection disk 8 passes through the through hole on the mounting plate 2 through the wall-entering bolt 1 to be fixed with the top of the mine, a plurality of through water pipes 7 are arranged between the atomized liquid tank 4 and the injection disk 8, a through air pipe 6 is arranged between the compressed air tank 5 and the central position of the upper surface of the injection disk 8, a plurality of injection holes 9 are arranged around the injection disk 8, and a control box body 10 is arranged at the central position of the lower surface of the injection disk 8, a hollow monitoring pipe 11 is fixed below the control box body 10, an electric control switch valve 13 is arranged in an area where the lower end of the air pipe 6 enters the inside of the injection disc 8, a gas concentration monitor 16 is arranged inside the monitoring pipe 11, control lines of the electric control switch valve 13 and the gas concentration monitor 16 are connected to the inside of the control box body 10 through wiring grooves 12, a controller 15 and a power supply 14 are arranged inside the control box body 10, the power supply 14 is connected with the controller 15 through a circuit, the control line of the controller 15 is externally connected onto the electric control switch valve 13 and the gas concentration monitor 16 through the wiring grooves 12, a plurality of communicated water pipes 7 are located on the periphery of the central air pipe 6, atomized liquid in the atomized liquid box 4 is sprayed out from the spray holes 9 through power provided by compressed air in the air pipe 6, a liquid inlet and outlet opening and closing port is formed in the outer side face of the atomized liquid box 4, and a gas injection and gas discharge hole is formed in the outer side face of the compressed air box 5.
In actual installation, after the device is assembled up and down as shown in fig. 1, the main components of the device are installed and fixed through the wall bolt 1, and are mainly installed on a stope face (including an air inlet flow, a working face flow, a return air way flow, an upper corner and a lower corner), a tunneling working face (including a working face flow, a working face return air flow and a local ventilator machine switch air flow) and a mine total return air face (including a mining area return air flow, a coal bunker, a drilling site, a top relief, a corner connection roadway and other places where gas accumulation is easy to occur), when the device works, after a gas concentration monitor 16 in a monitoring pipe in a certain area monitors abnormal gas concentration values, a trigger electric signal is received by a controller 15, the controller 15 controls an electrically controlled switch valve 13 to be opened, high-pressure gas is sprayed from a gas pipe 6, atomized liquid in a spray disc 8 is pressed out from a spray hole 9, and atomizing the working area, wherein after the underground gas concentration is normal after the atomization is carried out for a certain time, the controller 15 receives a feedback signal of the gas concentration monitor 16, the electric control switch valve 13 is closed, the injection power is cut off, and the injection hole 9 stops the atomization operation.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a coal mine is with preventing gas explosion atomizing device which characterized in that: including mounting panel and connecting plate, the mounting panel fixed with the mine top through going into the wall bolt, the connecting plate pass through the through-hole on the mounting panel through going into the wall bolt and the mine top is fixed, the fixed welding in connecting plate below have atomized liquid case and compressed air case, compressed air case be located atomized liquid case lower surface central point department of putting, compressed air case below be equipped with discoid injection dish, injection dish upper surface pass through the through-hole on the mounting panel through going into the wall bolt and the mine top is fixed, atomized liquid case and injection dish between be equipped with a plurality of water pipes that link up, compressed air case and injection dish upper surface central point department between be equipped with a logical trachea, injection dish encircle all around be equipped with a plurality of jet orifice, injection dish lower surface central point department of putting be equipped with the control box body, control box body below be fixed with hollow monitoring tube, the area that the trachea lower extreme entered into inside the jet disk be equipped with electric control switch valve, the inside gas concentration monitor that is equipped with of monitoring tube, electric control switch valve and gas concentration monitor control line all be connected to inside the control box body through the trough.
2. The gas explosion prevention atomization device for the coal mine according to claim 1, which is characterized in that: the control box body inside be equipped with controller and power, the power pass through the circuit and be connected with the controller, the controller control line pass through the trough and externally connect to electric switch valve and gas concentration monitor on.
3. The gas explosion prevention atomization device for the coal mine according to claim 1, which is characterized in that: the plurality of communicated water pipes are positioned at the periphery of the central air pipe, and atomized liquid in the atomized liquid box is sprayed out from the spray holes by providing power through compressed air in the air pipe.
4. The gas explosion prevention atomization device for the coal mine according to claim 1, which is characterized in that: the outer side surface of the atomized liquid box is provided with a liquid inlet and outlet opening and closing port, and the outer side surface of the compressed air box is provided with a gas injection and gas release hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220033332.XU CN216642185U (en) | 2022-01-07 | 2022-01-07 | Gas explosion prevention atomization device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220033332.XU CN216642185U (en) | 2022-01-07 | 2022-01-07 | Gas explosion prevention atomization device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216642185U true CN216642185U (en) | 2022-05-31 |
Family
ID=81727187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220033332.XU Expired - Fee Related CN216642185U (en) | 2022-01-07 | 2022-01-07 | Gas explosion prevention atomization device for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216642185U (en) |
-
2022
- 2022-01-07 CN CN202220033332.XU patent/CN216642185U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |