CN111894651A - Automatic explosion-proof water curtain device with dust falling function for mine - Google Patents
Automatic explosion-proof water curtain device with dust falling function for mine Download PDFInfo
- Publication number
- CN111894651A CN111894651A CN202010922309.1A CN202010922309A CN111894651A CN 111894651 A CN111894651 A CN 111894651A CN 202010922309 A CN202010922309 A CN 202010922309A CN 111894651 A CN111894651 A CN 111894651A
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- China
- Prior art keywords
- water curtain
- waterproof sealing
- outer tube
- proof water
- curtain device
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000000428 dust Substances 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000005065 mining Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/14—Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions
- E21F5/143—Fluid barriers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Nozzles (AREA)
Abstract
The mining automatic explosion-proof water curtain device with the dust fall function comprises a rotating shaft, a rotatable inner pipe and an outer pipe, wherein the rotating shaft, the rotatable inner pipe and the rotatable outer pipe are sequentially arranged from inside to outside; the surface of the inner pipe is provided with an atomizing nozzle and a water curtain opening, the atomizing nozzle is arranged on the side wall of the inner pipe, and the water curtain opening is arranged at the upper part of the inner pipe; the outer tube includes the liquid outlet, waterproof sealing cover and pressure delivery pipe, and the liquid outlet sets up in the outer tube lateral wall, sets up with inner tube atomizer cooperation, and the outer tube both ends are located to pressure delivery pipe and waterproof sealing cover branch, and waterproof sealing cover setting is passed in the pivot, and pivot tip level even has the hit panel, and waterproof sealing cover is equipped with spacing part, realizes the spacing rotation of pivot. The device can reduce the cost of installation and two kinds of equipment of maintenance by a wide margin to reduce because of not in time the potential safety hazard that causes the retaining of flame proof water bag, automatic release water curtain during the explosion isolates explosion flame propagation, controls the disaster scope and reduces the disaster loss.
Description
The technical field is as follows:
the invention belongs to the field of coal mine safety production, and particularly relates to a mining automatic explosion-proof water curtain device with a dust falling function.
Background art:
in the coal mine production process, coal dust and gas explosion are potential safety hazards which seriously restrict production and threaten the life and health of coal mine workers. Therefore, in each coal mine tunnel, equipment such as a dust fall atomizer and an explosion-proof water bag are arranged, the dust fall atomizer is used for reducing coal dust in the tunnel, and the explosion-proof water bag can form a water curtain through releasing the water bag when an explosion occurs, so that propagation of explosion flame in the tunnel is blocked.
Two kinds of equipment that set up respectively during dust fall atomizer and flame proof water bag now only have independent efficiency. The dust-settling atomizer has the problems of few nozzles and poor dust-settling effect; the explosion-proof water bag also needs to store water regularly and quantitatively to ensure the normal function of the explosion-proof water bag, so that the state of equipment needs to be checked frequently, the workload of coal miners is increased, and if the explosion-proof water bag fails to store water according to a plan, greater potential safety hazard can be caused. As the equipment which also depends on water supply, if the equipment can be integrated into one set of equipment, more expenses can be saved, and better use effect can be realized.
Therefore, the existing dust-settling atomizer and the explosion-proof water bag have certain defects, so that an automatic explosion-proof water curtain device with a dust-settling function for the mine is necessary to be provided for the coal mine, the efficiency of equipment is improved, the cost is reduced, and the safety of underground production is further guaranteed.
The invention content is as follows:
the invention aims to improve the efficiency of equipment, reduce the cost and further ensure the safety of underground production, and provides a design of a mining automatic explosion-proof water curtain device with a dust-settling function. The device has the advantages of dust fall atomizer and flame proof water bag concurrently, can regard as the atomizer to use at ordinary times, when exploding, automatic conversion is continuous water curtain. The device not only organically combines the equipment with two functions, reduces the cost for installing and maintaining the equipment, but also greatly reduces the inspection frequency and reduces the workload of workers because the step of water storage is omitted.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a have mining automatic flame proof water curtain device of dust fall function concurrently, includes the pivot that sets gradually from inside to outside, inner tube and outer tube, wherein:
the rotating shaft is welded with the inner tube through a welding sheet, the outer tube is sleeved outside the inner tube, and the inner tube is a rotatable inner tube;
the surface of the inner pipe is provided with an atomizing nozzle and a water curtain port, wherein the atomizing nozzle is arranged on the side wall of the inner pipe, and the water curtain port is arranged at the upper part of the inner pipe;
the outer tube include liquid outlet, waterproof sealing cap and pressure delivery pipe, wherein, liquid outlet set up in the outer tube lateral wall, set up with inner tube atomizer cooperation, the pressure delivery pipe set up in outer tube one end, waterproof sealing cap set up in the outer tube other end, the pivot pass waterproof sealing cap and set up, pivot tip horizontally connect have the struck panel, just waterproof sealing cap be equipped with spacing part to realize the spacing rotation of pivot.
The waterproof sealing cover is provided with a through hole, the rotating shaft penetrates through the through hole, and the waterproof sealing cover and the rotating shaft are arranged in a sealing mode.
The struck panel is provided with a connecting rod, and the struck panel is connected with the end part of the rotating shaft through the connecting rod.
The waterproof sealing cover is characterized in that a transverse limiting rod is arranged on the side of the through hole of the waterproof sealing cover, a longitudinal limiting rod is arranged above the through hole of the waterproof sealing cover, and the transverse limiting rod and the longitudinal limiting rod form a limiting part.
The connecting rod surface be equipped with horizontal spacing draw-in groove and vertical spacing draw-in groove respectively, horizontal spacing draw-in groove and horizontal gag lever post correspond the setting, vertical spacing draw-in groove and vertical gag lever post correspond the setting.
The atomizing nozzles are uniformly arranged on the inner pipe, and the arrangement distance is 10 cm.
The water curtain opening is a square opening arranged along the length direction of the inner pipe.
The liquid outlet is a square opening arranged along the length direction of the outer pipe, the width of the square opening is equal to that of a water curtain opening on the inner pipe, and the width of the liquid outlet is equal to the diameter of the atomizing nozzle.
The pressure water supply pipe is connected with an underground water supply system in the mine, is used for supplying water for equipment and has certain pressure.
The inner pipe, the outer pipe and the rotating shaft are all made of stainless steel.
Have automatic flame proof water curtain device for mine of dust fall function concurrently under dust removal mode, atomizer communicates with each other with the liquid outlet and sets up, realizes the atomizing dust fall, when blasting in the ore deposit, because of horizontal gag lever post effect for the struck panel is rotatory to vertical gag lever post direction, drives the pivot and rotates to water curtain mouth and liquid outlet and communicate with each other, the automatic water curtain that releases, isolated explosion flame propagates.
The invention has the beneficial effects that:
(1) the mining automatic explosion-proof water curtain device with the dust falling function can reduce the workload and the cost of installing and maintaining two devices.
(2) The mining automatic explosion-proof water curtain device with the dust fall function can reduce the potential safety hazard caused by untimely water storage of the explosion-proof water bag, and can timely and automatically release the water curtain when explosion occurs, isolate the propagation of explosion flame, control the disaster range and reduce the disaster loss.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a mining automatic explosion-proof water curtain device with a dust-settling function in embodiment 1 of the invention;
FIG. 2 is a schematic cross-sectional view of a mining automatic explosion-proof water curtain device with a dust-settling function in embodiment 1 of the invention;
fig. 3 is a schematic view of a state of a struck panel of the mining automatic explosion-proof water curtain device with a dust-settling function in an explosion-proof state in embodiment 1 of the present invention, wherein:
1-soldering lug, 2-atomizing nozzle, 3-inner tube, 4-outer tube, 5-rotating shaft, 6-1 struck panel, 6-2 connecting rod, 7-1 transverse limiting rod, 7-2 longitudinal limiting rod, 8-waterproof sealing cover, 9-pressure water supply pipe, 10-water curtain opening, 11-liquid outlet, 12-1 transverse limiting clamping groove and 12-2 longitudinal limiting clamping groove.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to examples.
Example 1
The utility model provides a have mining automatic flame proof water curtain device of dust fall function concurrently, its schematic structure is shown as figure 1, and schematic cross-sectional view is shown as figure 2, includes pivot 5, inner tube 3 and outer tube 4 that set gradually from inside to outside, wherein:
the rotating shaft 5 is welded with the inner tube 3 through the welding sheet 1, the outer tube 4 is sleeved outside the inner tube 3, and the inner tube 3 is a rotatable inner tube 3;
the surface of the inner tube 3 is provided with an atomizing nozzle 2 and a water curtain opening 10, wherein the atomizing nozzle 2 is arranged on the side wall of the inner tube 3, and the water curtain opening 10 is arranged on the upper part of the inner tube 3.
The struck panel 6-1 is provided with a connecting rod 6-2, and the struck panel 6-1 is connected with the end part of the rotating shaft 5 through the connecting rod 6-2.
The waterproof sealing cover 8 is characterized in that a transverse limiting rod 7-1 is arranged on the side of the through hole, a longitudinal limiting rod 7-2 is arranged above the through hole, and the transverse limiting rod 7-1 and the longitudinal limiting rod 7-2 form a limiting part.
The surface of the connecting rod 6-2 is respectively provided with a transverse limiting clamping groove 12-1 and a longitudinal limiting clamping groove 12-2, the transverse limiting clamping groove 12-1 is arranged corresponding to the transverse limiting rod 7-1, and the longitudinal limiting clamping groove 12-2 is arranged corresponding to the longitudinal limiting rod 7-2.
The atomizing nozzles 2 are uniformly arranged on the inner pipe 3, and the arrangement distance is 10 cm.
The water curtain port 10 is a square opening arranged along the length direction of the inner pipe 3.
The liquid outlet 11 is a square opening arranged along the length direction of the outer tube 4, and is equal in width and length to the water curtain opening 10 on the inner tube 3, and the width of the liquid outlet 11 is equal to the diameter of the atomizing nozzle 2.
The pressure water supply pipe 9 is connected with an underground water supply system in the mine, is used for supplying water for equipment and has certain pressure.
The inner tube 3, the outer tube 4 and the rotating shaft 5 are all made of stainless steel.
The mining automatic explosion-proof water curtain device with the dust suppression function is characterized in that an atomizing nozzle 2 is communicated with a liquid outlet 11 in a dust removal mode, atomization dust suppression is achieved, when explosion occurs in a mine, a horizontal limiting rod 7-1 acts, so that a struck panel 6-1 rotates towards a longitudinal limiting rod 7-2 direction, a rotating shaft 5 is driven to rotate to a water curtain port 10 to be communicated with the liquid outlet 11, a water curtain is automatically released, and explosion flame propagation is isolated.
The mining automatic explosion-proof water curtain device with the dust fall function has the use process, and comprises the following two states:
(1) and (3) a normal period:
in the normal production period of a coal mine, the device mainly has the functions of atomizing and reducing dust, and the dust suction amount of workers is reduced. The pressure water supply pipe 9 continuously supplies water to the device, the struck panel 6 is located on one side of the longitudinal limiting rod 7-1, the atomizing nozzle 2 is aligned with the liquid outlet 11 at the moment, atomizing water drops are continuously manufactured by the atomizing nozzle 2, and the atomizing water drops are combined with coal dust particles in the air of the roadway to play a role in reducing coal dust to the roadway environment.
(2) Explosion generation:
in the period of coal mine explosion accidents, the device has the main functions of water curtain explosion suppression, so that casualties are reduced, and coal mine loss is reduced. The pressure water supply pipe 9 continuously supplies water to the device, when a mine explodes, the struck panel 6-1 is impacted by explosion shock waves and is struck to the other side of the longitudinal limiting rod 7-2, the rotating shaft 5 can be driven to rotate, the rotating shaft 5 is connected with the inner tube 3 through the welding piece 1, therefore, the inner tube 3 can also rotate, the atomizing nozzle 2 can rotate to the inner part of the outer tube by rotating the inner tube, at the moment, the water curtain port 10 is aligned with the liquid outlet 11, the water quantity is increased, a continuous water curtain is formed, the upcoming explosion flame is blocked, and the further propagation of the upcoming explosion flame in a roadway is prevented, and when the device explodes, the state schematic diagram of the struck panel is shown in figure 3.
Claims (10)
1. The utility model provides a have mining automatic flame proof water curtain device of dust fall function concurrently which characterized in that, includes the pivot that sets gradually from inside to outside, inner tube and outer tube, wherein:
the rotating shaft is welded with the inner tube through a welding sheet, the outer tube is sleeved outside the inner tube, and the inner tube is a rotatable inner tube;
the surface of the inner pipe is provided with an atomizing nozzle and a water curtain port, wherein the atomizing nozzle is arranged on the side wall of the inner pipe, and the water curtain port is arranged at the upper part of the inner pipe;
the outer tube include liquid outlet, waterproof sealing cap and pressure delivery pipe, wherein, liquid outlet set up in the outer tube lateral wall, set up with inner tube atomizer cooperation, the pressure delivery pipe set up in outer tube one end, waterproof sealing cap set up in the outer tube other end, the pivot pass waterproof sealing cap and set up, pivot tip horizontally connect have the struck panel, just waterproof sealing cap be equipped with spacing part to realize the spacing rotation of pivot.
2. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the waterproof sealing cover is provided with a through hole, the rotating shaft penetrates through the through hole, and the waterproof sealing cover and the rotating shaft are arranged in a sealing mode.
3. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the struck panel is provided with a connecting rod, and the struck panel is connected with the end part of the rotating shaft through the connecting rod.
4. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein a transverse limiting rod is arranged on the side of the through hole of the waterproof sealing cover, a longitudinal limiting rod is arranged on the side of the through hole of the waterproof sealing cover, and the transverse limiting rod and the longitudinal limiting rod form a limiting part.
5. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein a transverse limiting clamping groove and a longitudinal limiting clamping groove are respectively arranged on the surface of the connecting rod, the transverse limiting clamping groove is arranged corresponding to the transverse limiting rod, and the longitudinal limiting clamping groove is arranged corresponding to the longitudinal limiting rod.
6. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the atomizing nozzles are uniformly arranged on the inner tube at an interval of 10 cm.
7. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the water curtain port is a square opening arranged along the length direction of the inner pipe.
8. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the liquid outlet is a square opening arranged along the length direction of the outer tube, the width of the square opening is equal to the width of a water curtain opening on the inner tube, and the width of the liquid outlet is equal to the diameter of the atomizing nozzle.
9. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the pressure water supply pipe is connected with an underground water supply system in a mine.
10. The mining automatic explosion-proof water curtain device with the dust fall function according to claim 1, wherein the inner tube, the outer tube and the rotating shaft are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922309.1A CN111894651B (en) | 2020-09-04 | 2020-09-04 | Automatic explosion-proof water curtain device with dust falling function for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010922309.1A CN111894651B (en) | 2020-09-04 | 2020-09-04 | Automatic explosion-proof water curtain device with dust falling function for mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111894651A true CN111894651A (en) | 2020-11-06 |
| CN111894651B CN111894651B (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010922309.1A Active CN111894651B (en) | 2020-09-04 | 2020-09-04 | Automatic explosion-proof water curtain device with dust falling function for mine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111894651B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19631881C1 (en) * | 1996-08-07 | 1997-08-07 | Ruhrkohle Ag | Method of fixing explosion barrier in underground mining and tunnelling operations |
| CN1598246A (en) * | 2004-09-27 | 2005-03-23 | 太原理工大学 | Fog column dust falling linkage apparatus return airway |
| CN202007684U (en) * | 2010-12-21 | 2011-10-12 | 黑龙江昱泰重型机器制造有限公司 | Mining automatic explosion-proof water sprayer |
| CN205330717U (en) * | 2016-01-21 | 2016-06-22 | 山东科技大学 | Automatic water curtain dust removal device of tunnelling working face |
| RU2613393C1 (en) * | 2015-12-18 | 2017-03-16 | Дарья Анатольевна Трубицына | Automatic explosure isolation barrier |
| CN206904401U (en) * | 2017-06-21 | 2018-01-19 | 河北盛泽源节水灌溉设备有限公司 | A kind of irrigation pipe |
| CN108773492A (en) * | 2018-04-08 | 2018-11-09 | 华南农业大学 | A kind of spray boom nozzle integration flusher and the agricultural unmanned plane including the device |
| CN208502827U (en) * | 2018-06-21 | 2019-02-15 | 中铁十五局集团第三工程有限公司 | A kind of construction ventilation of tunnel automatic drencher system |
-
2020
- 2020-09-04 CN CN202010922309.1A patent/CN111894651B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19631881C1 (en) * | 1996-08-07 | 1997-08-07 | Ruhrkohle Ag | Method of fixing explosion barrier in underground mining and tunnelling operations |
| CN1598246A (en) * | 2004-09-27 | 2005-03-23 | 太原理工大学 | Fog column dust falling linkage apparatus return airway |
| CN202007684U (en) * | 2010-12-21 | 2011-10-12 | 黑龙江昱泰重型机器制造有限公司 | Mining automatic explosion-proof water sprayer |
| RU2613393C1 (en) * | 2015-12-18 | 2017-03-16 | Дарья Анатольевна Трубицына | Automatic explosure isolation barrier |
| CN205330717U (en) * | 2016-01-21 | 2016-06-22 | 山东科技大学 | Automatic water curtain dust removal device of tunnelling working face |
| CN206904401U (en) * | 2017-06-21 | 2018-01-19 | 河北盛泽源节水灌溉设备有限公司 | A kind of irrigation pipe |
| CN108773492A (en) * | 2018-04-08 | 2018-11-09 | 华南农业大学 | A kind of spray boom nozzle integration flusher and the agricultural unmanned plane including the device |
| CN208502827U (en) * | 2018-06-21 | 2019-02-15 | 中铁十五局集团第三工程有限公司 | A kind of construction ventilation of tunnel automatic drencher system |
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| CN111894651B (en) | 2022-03-25 |
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