CN109505644B - Anti-scour instant emergency spray - Google Patents
Anti-scour instant emergency spray Download PDFInfo
- Publication number
- CN109505644B CN109505644B CN201811610202.2A CN201811610202A CN109505644B CN 109505644 B CN109505644 B CN 109505644B CN 201811610202 A CN201811610202 A CN 201811610202A CN 109505644 B CN109505644 B CN 109505644B
- Authority
- CN
- China
- Prior art keywords
- water curtain
- deformation
- shock wave
- roadway
- spraying
- 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.)
- Active
Links
- 239000007921 spray Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000005507 spraying Methods 0.000 claims abstract description 72
- 230000035939 shock Effects 0.000 claims abstract description 59
- 239000011435 rock Substances 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 10
- 230000005641 tunneling Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000428 dust Substances 0.000 abstract description 16
- 230000002457 bidirectional effect Effects 0.000 abstract description 4
- 239000002817 coal dust Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
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)
- Special Spraying Apparatus (AREA)
Abstract
The invention provides anti-impact instant emergency spraying, which relates to the field of dust fall of mine tunnels and comprises a micro-motion impact emergency spraying system and a deformation induction emergency spraying system, wherein the micro-motion impact emergency spraying system comprises a shock wave water curtain device and a shock wave spraying device; installing a shock wave water curtain device at a position 320 meters away from a cutting eye of a fully mechanized caving face roadway, installing a deformation spraying device at a position 270 meters away from the cutting eye, and installing a shock wave spraying device at a position 150 meters away from the cutting eye; a shock wave water curtain device is arranged at a position 100 meters away from the working surface in the working surface lower lane, and a deformation spraying device is arranged at a position 150 meters away from the working surface; a group of shock wave water curtain devices and a roadway deformation sensing water curtain are respectively arranged on the tunneling working faces of all coal roadways and half coal rock roadways. The invention can spray or open the water curtain to play a role in dust fall under the three conditions of impact, bidirectional impact and deformation of the roadway, can avoid dust fall dead angles and is safer and more reliable.
Description
Technical Field
The invention provides an anti-scour instant emergency spray, and relates to the field of dust fall in a mine tunnel.
Background
A large amount of coal dust will be raised when rock burst occurs, the coal dust concentration will reach the explosive concentration, the coal dust explosion accident will occur under proper conditions, in order to prevent the coal dust accident caused by the shock wave generated by the rock burst and the large amount of dust raised by the deformation of the roadway, but considering the uncertainty of the position of the rock burst and the possible power failure when the rock burst occurs, the existing forms of water-electricity combined spray locking automatic purification spray, electric control shock wave spray, human body induction automatic purification spray, photoelectric automatic purification spray and the like are not practical and have higher use cost.
Disclosure of Invention
In order to solve the above problems, the present invention provides an anti-scour instantaneous emergency spray.
The technical scheme of the invention is as follows: an anti-impact instantaneous emergency spraying system comprises a micro-motion impact emergency spraying system and a deformation induction emergency spraying system, wherein the micro-motion impact emergency spraying system comprises a shock wave water curtain device and a shock wave spraying device, and the deformation induction emergency spraying comprises a deformation spraying device; installing a shock wave water curtain device at a position 320 meters away from a cutting eye of a fully mechanized caving face roadway, installing a deformation spraying device at a position 270 meters away from the cutting eye, and installing a shock wave spraying device at a position 150 meters away from the cutting eye; a shock wave water curtain device is arranged at a position 100 meters away from the working surface in the working surface lower lane, and a deformation spraying device is arranged at a position 150 meters away from the working surface; a group of shock wave water curtain devices and a roadway deformation sensing water curtain are respectively arranged on the tunneling working faces of all coal roadways and half coal rock roadways.
The shock wave water curtain device, the deformation spraying device and the shock wave spraying device are connected in parallel and communicated with a main water supply pipe.
The technical scheme of the invention also comprises: and the shock wave water curtain device, the deformation spraying device and the shock wave spraying device are linked through switches.
The technical scheme of the invention also comprises: the shock wave water curtain device comprises a micro-switch impact plate and a first water curtain valve, wherein the micro-switch impact plate comprises a micro-switch impact plate, a connecting rod, a water curtain valve clamping switch and a heavy hammer, the micro-switch impact plate is connected with the water curtain valve clamping switch through the connecting rod, and the first water curtain valve is connected with the heavy hammer.
The technical scheme of the invention also comprises: the shock wave spraying device comprises a spraying rod, a ball valve, a roadway side impact plate, a roadway head-on impact plate and a water supply pipe; the roadway side impact plate receives roadway side impact waves, and the roadway head-on impact plate receives head-on impact waves in the roadway; the ball valves are respectively arranged at the bottoms of the roadway side impact plate and the roadway head-on impact plate; the spray rods are respectively communicated with a water supply pipe through ball valves; the water supply pipe is supplied with water from a main water supply pipe.
The technical scheme of the invention also comprises: and the pipeline where the roadway side impact plate is located is connected in parallel with the pipeline where the roadway head-on impact plate is located.
The technical scheme of the invention also comprises: the deformation spraying device comprises a second water curtain valve and a water curtain valve control device, the water curtain valve control device is connected with the second water curtain valve, the water curtain valve control device comprises a deformation control switch and an external force control switch, and the control priority of the deformation control switch is higher than that of the external force control switch.
The technical scheme of the invention also comprises: the deformation control switch comprises a steel wire rope, the steel wire rope is connected with the second water curtain valve, the other end of the steel wire rope is connected with the roadway deformation sensing point, and the second water curtain valve is in a closed state when the steel wire rope is tightened.
The technical scheme of the invention also comprises: the external force control switch is a heavy hammer or a tension spring, and when the steel wire rope is loosened, the second water curtain valve is opened under the external force control switch.
The invention has the beneficial effects that: the invention provides anti-impact instantaneous emergency spraying which is respectively provided with a shock wave water curtain device, a shock wave spraying device and a deformation spraying device, wherein the shock wave water curtain device, the shock wave spraying device and the deformation spraying device are respectively connected in parallel, spraying or water curtain opening can be carried out under three conditions of roadway impact, roadway bidirectional impact and roadway deformation to play a role in dust fall, dust fall dead angles can be avoided, and the three dust fall devices are all in a mechanical automatic mode, so that the anti-impact instantaneous emergency spraying is safer and more reliable than a mode of an electric control element for dust fall opening.
Drawings
FIG. 1 is a schematic view of a shockwave water curtain apparatus of the present invention;
FIG. 2 is a schematic view of a shock wave spray apparatus of the present invention;
fig. 3 is a schematic view of a modified spray device of the present invention.
101, a micro-motion impact plate, 102, a connecting rod, 103, a heavy hammer, 104, a first water curtain valve, 201, a spray rod, 202, a ball valve, 203, a roadway side impact plate, 204, a roadway head-on impact plate, 301, a fixed sensing point, 302, an external force control switch, 303, a steel wire rope, 304 and a second water curtain valve.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Meanwhile, since only some embodiments are described below, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
An anti-impact instantaneous emergency spraying system comprises a micro-motion impact emergency spraying system and a deformation induction emergency spraying system, wherein the micro-motion impact emergency spraying system comprises a shock wave water curtain device and a shock wave spraying device, and the deformation induction emergency spraying comprises a deformation spraying device; the shock wave water curtain device, the deformation spraying device and the shock wave spraying device are connected in parallel and communicated with a main water supply pipe.
And the shock wave water curtain device, the deformation spraying device and the shock wave spraying device are linked through switches.
As shown in fig. 1, the shock wave water curtain device includes a micro switch impact plate, the micro switch impact plate includes a micro impact plate 101, a connecting rod 102, a water curtain valve position-clamping switch and a weight 103, the micro impact plate 101 is connected to the water curtain valve position-clamping switch through the connecting rod 102, and a first water curtain valve 104 is connected to the weight 103.
This shock wave water curtain device utilizes the shock wave that produces after the impact earth pressure takes place, and the fine motion strikeplate 101 of shock control water curtain makes fine motion strikeplate 101 take place vibrations, utilizes lever principle strikeplate to open water curtain valve screens switch through connecting rod 102, makes first water curtain valve 104 open the water curtain valve under the effect of weight 103 and leads to water, realizes automatic spraying.
As shown in figure 2, because the impact waves are caused in the roadway when the rock burst occurs, the principle can be used for manufacturing a bidirectional micro-motion impact wave water curtain switch to automatically open a water curtain for dust fall.
The shock wave spraying device comprises a spraying rod 201, a ball valve 202, a roadway side impact plate 203, a roadway head-on impact plate 204 and a water supply pipe; the roadway side impact plate 203 receives roadway side impact waves, and the roadway head-on impact plate 204 receives head-on impact waves in the roadway; the ball valve 202 is respectively arranged at the bottom of the roadway side impact plate 203 and the roadway head-on impact plate 204; the spray rods 201 are respectively communicated with a water supply pipe through ball valves 202; the water supply pipe is supplied with water from a main water supply pipe.
Preferably, the pipeline where the roadway side impact plate 203 is located is connected in parallel with the pipeline where the roadway head-on impact plate 204 is located.
If figure 3, utilize rock burst to take place because phenomenon such as powerful impact force makes the tunnel take place deformation, utilize this principle design tunnel deformation induction system and water curtain linkage, in case when the tunnel takes place deformation, the device moves, opens the automatic spraying dust fall of water curtain.
The deformation spraying device comprises a second water curtain valve 304 and a water curtain valve control device, the water curtain valve control device is connected with the second water curtain valve 304, the water curtain valve control device comprises a deformation control switch and an external force control switch 302, and the control priority of the deformation control switch is higher than that of the external force control switch 302.
The deformation control switch comprises a steel wire rope 303, the steel wire rope 303 is connected with the second water curtain valve 304, the other end of the steel wire rope 303 is connected with a roadway deformation sensing point, the second water curtain valve 304 is in a closed state when the steel wire rope 303 is tightened, and the steel wire rope 303 is preferably a thin steel wire rope.
The external force control switch 302 is a weight 103 or a tension spring, and when the steel wire rope 303 is loosened, the second water curtain valve 304 opens the water curtain valve under the external force control switch 302.
When in use, a shock wave water curtain device is arranged at a position 320 meters away from the cutting hole of a roadway of the fully mechanized caving face, a deformation spraying device is arranged at a position 270 meters away from the cutting hole, and a shock wave spraying device is arranged at a position 150 meters away from the cutting hole; a shock wave water curtain device is arranged at a position 100 meters away from the working surface in the working surface lower lane, and a deformation spraying device is arranged at a position 150 meters away from the working surface; a group of shock wave water curtain devices and a roadway deformation sensing water curtain are respectively arranged on the tunneling working faces of all coal roadways and half coal rock roadways.
The connection mode of installing a shock wave water curtain at a position 100 meters away from the working surface in the lower lane of the working surface and installing a tunnel deformation spray induction water curtain at a position 150 meters away from the working surface is the same as that in the upper lane.
A group of micro-motion shock wave water curtains and roadway deformation sensing water curtains are respectively installed on all coal roadway and half coal rock roadway driving working faces.
Three groups of water curtain control switches control 9 sprays together, 9 sprays are connected to a main water supply pipeline with the diameter of 35mm in parallel, three spray switches are connected to the main water supply pipeline, any shock wave water curtain or deformation spray switch opens 9 sprays and can be started simultaneously, and the water curtain covers the whole roadway for spraying. And after the water curtain is installed, a regular maintenance test is carried out, so that the sensitivity and reliability are ensured, and the water curtain can move in time along with the propulsion of a working face.
The invention provides anti-impact instantaneous emergency spraying which is respectively provided with a shock wave water curtain device, a shock wave spraying device and a deformation spraying device which are connected in parallel, and can spray or open a water curtain to play a role of dust fall under the three conditions of impact, bidirectional impact and deformation of a roadway, so that dust fall dead angles can be avoided. And the microswitch shock wave and the deformation water curtain switch automatically open the water curtain for dust fall, so that the dust fall safety is higher. The roadway deformation and shock waves can be fully utilized when rock burst occurs, full-section instantaneous dust fall of the roadway is achieved, coal dust secondary disaster accidents are prevented, and safety benefits are remarkable.
The above description is only exemplary of the present invention and should not be taken as limiting the invention in any way, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. Scour protection instantaneous emergency spray, its characterized in that: the system comprises a micro-motion impact emergency spraying system and a deformation induction emergency spraying system, wherein the micro-motion impact emergency spraying system comprises a shock wave water curtain device and a shock wave spraying device, and the deformation induction emergency spraying system comprises a deformation spraying device;
installing a shock wave water curtain device at a position 320 meters away from a cutting eye of a fully mechanized caving face roadway, installing a deformation spraying device at a position 270 meters away from the cutting eye, and installing a shock wave spraying device at a position 150 meters away from the cutting eye;
a shock wave water curtain device is arranged at a position 100 meters away from the working surface in the working surface lower lane, and a deformation spraying device is arranged at a position 150 meters away from the working surface;
a group of shock wave water curtain devices and a deformation spraying device are respectively arranged on the tunneling working faces of all coal roadways and half coal rock roadways;
the shock wave water curtain device, the deformation spraying device and the shock wave spraying device are connected in parallel and communicated with a main water supply pipe;
the shock wave water curtain device, the deformation spraying device and the shock wave spraying device are linked through switches;
the shock wave spraying device comprises a spraying rod (201), a ball valve (202), a roadway side impact plate (203), a roadway head-on impact plate (204) and a water supply pipe;
the roadway side impact plate (203) receives roadway side impact waves, and the roadway head-on impact plate (204) receives head-on impact waves in the roadway;
the ball valves (202) are respectively arranged at the bottoms of the roadway side impact plate (203) and the roadway head-on impact plate (204);
the spray rods (201) are respectively communicated with a water supply pipe through ball valves (202);
the water supply pipe is supplied with water by a main water supply pipe;
the pipeline where the roadway side impact plate (203) is located is connected in parallel with the pipeline where the roadway head-on impact plate (204) is located;
the deformation spraying device comprises a second water curtain valve (304) and a water curtain valve control device, the water curtain valve control device is connected with the second water curtain valve (304), the water curtain valve control device comprises a deformation control switch and an external force control switch (302), and the control priority of the deformation control switch is higher than that of the external force control switch (302);
the deformation control switch comprises a steel wire rope (303), one end of the steel wire rope (303) is connected with the water curtain valve, the other end of the steel wire rope (303) is connected with a roadway deformation sensing point, and the second water curtain valve (304) is in a closed state when the steel wire rope (303) is tightened;
the external force control switch (302) is a heavy hammer (103) or a tension spring, and when the steel wire rope (303) loosens, the second water curtain valve (304) is opened under the external force control switch (302).
2. An anti-impact instantaneous emergency spray as defined in claim 1, wherein: the shock wave water curtain device comprises a micro-switch impact plate and a first water curtain valve (104), wherein the micro-switch impact plate comprises a micro-switch impact plate (101), a connecting rod (102), a water curtain valve clamping switch and a heavy hammer (103), the micro-switch impact plate (101) is connected with the water curtain valve clamping switch through the connecting rod (102), and the first water curtain valve (104) is connected with the heavy hammer (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610202.2A CN109505644B (en) | 2018-12-27 | 2018-12-27 | Anti-scour instant emergency spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811610202.2A CN109505644B (en) | 2018-12-27 | 2018-12-27 | Anti-scour instant emergency spray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505644A CN109505644A (en) | 2019-03-22 |
| CN109505644B true CN109505644B (en) | 2020-10-09 |
Family
ID=65755344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811610202.2A Active CN109505644B (en) | 2018-12-27 | 2018-12-27 | Anti-scour instant emergency spray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505644B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798937A (en) * | 2010-04-13 | 2010-08-11 | 兖州煤业股份有限公司 | Mechanical blasting sprayer |
| CN201560794U (en) * | 2009-11-18 | 2010-08-25 | 山东良庄矿业有限公司 | Automatic spraying dust suppression device |
| CN201588651U (en) * | 2010-01-05 | 2010-09-22 | 西安科技大学 | Downhole mechanical sinker bar type automatic water-spraying and dust-settling device |
| CN201771538U (en) * | 2010-07-27 | 2011-03-23 | 山东新阳能源有限公司 | Transfer-point impact-plate type automatic spraying device |
| CN102373942A (en) * | 2011-09-22 | 2012-03-14 | 中国矿业大学 | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| CN203097932U (en) * | 2012-11-29 | 2013-07-31 | 路汉芝 | Automatic atomizing and dedusting device |
| CN203488202U (en) * | 2013-10-09 | 2014-03-19 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Intelligent blasting control spraying device |
| CN205876377U (en) * | 2016-06-05 | 2017-01-11 | 陕西彬长文家坡矿业有限公司 | Colliery is special -shaped water curtain purifier in pit |
| CN109057853A (en) * | 2018-09-29 | 2018-12-21 | 宝钢集团新疆八钢铁有限公司 | Wind power ganged atomizing de-dusting apparatus for blasting face |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9086180B2 (en) * | 2011-07-11 | 2015-07-21 | Frank T. Porta | Quick connect fire and dust suppression system |
-
2018
- 2018-12-27 CN CN201811610202.2A patent/CN109505644B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201560794U (en) * | 2009-11-18 | 2010-08-25 | 山东良庄矿业有限公司 | Automatic spraying dust suppression device |
| CN201588651U (en) * | 2010-01-05 | 2010-09-22 | 西安科技大学 | Downhole mechanical sinker bar type automatic water-spraying and dust-settling device |
| CN101798937A (en) * | 2010-04-13 | 2010-08-11 | 兖州煤业股份有限公司 | Mechanical blasting sprayer |
| CN201771538U (en) * | 2010-07-27 | 2011-03-23 | 山东新阳能源有限公司 | Transfer-point impact-plate type automatic spraying device |
| CN102373942A (en) * | 2011-09-22 | 2012-03-14 | 中国矿业大学 | Air curtain and water mist linked system for preventing and controlling dust on comprehensive excavation surfaces |
| CN203097932U (en) * | 2012-11-29 | 2013-07-31 | 路汉芝 | Automatic atomizing and dedusting device |
| CN203488202U (en) * | 2013-10-09 | 2014-03-19 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Intelligent blasting control spraying device |
| CN205876377U (en) * | 2016-06-05 | 2017-01-11 | 陕西彬长文家坡矿业有限公司 | Colliery is special -shaped water curtain purifier in pit |
| CN109057853A (en) * | 2018-09-29 | 2018-12-21 | 宝钢集团新疆八钢铁有限公司 | Wind power ganged atomizing de-dusting apparatus for blasting face |
Non-Patent Citations (1)
| Title |
|---|
| 基于有限元模型的喷雾机喷杆弹性变形分析与控制;何耀杰等;《农业工程学报》;20140331;第30卷(第6期);第28-36页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109505644A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wagner | Support requirements for rockburst conditions | |
| JP3646926B2 (en) | Earthquake countermeasures that support buildings and objects with a long-period virtual pendulum | |
| CN102877870A (en) | Static and dynamic combined intelligent pre-warning anchor rod | |
| CN106761521B (en) | Fishing tool for mechanical restrictor and operation method of fishing tool | |
| CN105863697A (en) | Tensile break resistant energy-absorbing anchor rod | |
| CN113250723A (en) | Monitoring and coupling integrated protection device for rock burst of deep mine | |
| CN109505644B (en) | Anti-scour instant emergency spray | |
| CN109137973A (en) | One kind being used for the prefabricated beam column flexural pivot attachment device of underground structure | |
| CN110930652B (en) | Mountain landslide monitoring alarm device based on mountain torrent prevention | |
| RU2473768C1 (en) | Device for spudding of offshoots from well | |
| CN205223867U (en) | Device that falls is prevented in bridge construction | |
| CN202832596U (en) | Dynamic-static-combination intelligent early warning anchor rod | |
| CN215215506U (en) | Monitoring alarm equipment for detecting coal mine geological disasters | |
| CN202055748U (en) | Rotary drilling rig | |
| CN100371530C (en) | Intelligent protection system for high-dam plunge pool | |
| CN110671027B (en) | Energy intercepting type mine explosion wave reduction device | |
| CN209742966U (en) | Water draining device for coal mine excavation roadway | |
| CN111847190B (en) | Mine winder tail rope monitoring device | |
| CN208749384U (en) | A kind of movable hanging bone plate supporting construction in tunnel | |
| CN204057092U (en) | Slat conveyer broken chain detecting device | |
| CN206526425U (en) | A kind of deep motor-pumped well rescue equipment | |
| CN208831029U (en) | A kind of mining anchorage device protective device | |
| CN205297359U (en) | Rig and mast thereof | |
| CN101358527B (en) | Butt-joint water detection and blocking equipment | |
| CN110159212A (en) | Erosion control release drilling rod spin adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |