CN203515658U - Automatic closed remote-control fire protection device for coal mining area - Google Patents
Automatic closed remote-control fire protection device for coal mining area Download PDFInfo
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- CN203515658U CN203515658U CN201320636279.3U CN201320636279U CN203515658U CN 203515658 U CN203515658 U CN 203515658U CN 201320636279 U CN201320636279 U CN 201320636279U CN 203515658 U CN203515658 U CN 203515658U
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Abstract
The utility model discloses an automatic closed remote-control fire protection device for the coal mining area. The automatic closed remote-control fire protection device comprises an air inlet conveying roadway firewall and an air return roadway firewall. The automatic closed remote-control fire protection device is characterized in that two automatic closed remote-control fireproof doors are arranged between the air inlet conveying roadway firewall and the coal face and between the air return roadway firewall and the coal face respectively. The automatic closed remote-control fire protection device for the coal mining area comprises the firewalls which are operated manually, the fireproof doors which have the functions of remote control, automatic closing and manual closing are added between the firewalls and the coal face, and accordingly combustion and explosion accidents caused by the high temperature of a coal mine can be effectively avoided. Especially when a fire breaks out or the high temperature is dangerous in the mining area or the coal face, the upper outlet and the lower outlet of the automatic closed remote-control fire protection device can be closed in an automatic or remote control mode to block the entry of oxygen and accordingly the expansion and spread of the disaster can be avoided, the straying of people can be prevented, and casualties and heavy losses can be avoided.
Description
Technical field
The utility model relates to the improvement of fire wall for a kind of mine district, specifically Long-distance Control automatic airtight firebreak device for a kind of mine district.
Background technology
According to the regulation of < < safety regulations in coal mine > >, when the coal seam of the easy spontaneous combustion of exploitation or spontaneous combustion, in the air intake haulage drift in exploiting field and return aircourse, all must construct fire wall, this fire wall is comprised of fire wall mouth, toll bar frame and door-plate, and lays in the material of the sealing fire wall mouth of sufficient amount.Regulation must clearly be selected the position of spontaneous fire observation station or observation point simultaneously, and sets up monitoring system, determines the symbolic gas of Period of Coal Seam Spontaneous Combustion and sets up prediction of spontaneous combustion early warning system.All detection analysis results must be recorded in special-purpose fire prevention minute book, and make regular check on, analysis and arrangement, while finding that spontaneous fire index surpasses or reaches the ANOMALOUS VARIATIONS such as threshold, send immediately spontaneous fire forecast, take measures to process.Adopt the operating process of above scheme to be: when fire has occurred coal-face or reach dangerous high temperature, personnel withdraw coal-face immediately, and the fire wall mouth in air intake haulage drift and return aircourse is installed rapidly to preprepared door-plate, form fire wall, entering of blocking-up oxygen, thereby the flame of coal-face is suffocated because of anoxic, play the effect of fire prevention, fire extinguishing.At present, this mine district is by the existing deficiency of fire wall: due to closing by manually sealing with door-plate of fire wall mouth, so speed in a closed circuit is slow, when the high temperature gas flow of coal-face impacts near fire wall, in so dangerous environment, operating personnel can not be near fire wall mouth, be difficult to by door-plate be arranged on fire wall mouth, carry out airtight, cause the intensity of a fire to continue to expand, even cause explosion accident; Because sealing fire wall mouth is to carry out in the situation that having dangerous situation, so do not reach preventive effect in advance, accident can not be eliminated among rudiment.Known by retrieving, though the current report relevant for automatic fire door in building, electric power passageway for fire apparatus, but have no for mine district when the critical generation high temperature gas flow, can effectively stop fire that the Long-distance Control automatic airtight firebreak device for mine district that explosion accident occurs occurs and then avoids.
Summary of the invention
The purpose of this utility model is to provide a kind of manually-operated fire wall that not only has before mine district, and set up when mine district during at critical generation high temperature gas flow, particularly mine district high temperature gas flow is occurring impact near fire wall mouth, can automatically control or the labeled door of Long-distance Control, more effectively stop fire to occur, stop the intensity of a fire to continue the Long-distance Control automatic airtight firebreak device for mine district expanding and then the thing of avoiding exploding occurs.
In order to reach above object, the technical scheme that the utility model adopts is: Long-distance Control automatic airtight firebreak device for this mine district, comprise air intake haulage drift fire wall and return aircourse fire wall, air intake haulage drift fire wall and return aircourse fire wall are installed in the front side of coal-face, it is characterized in that: between described air intake haulage drift fire wall and return aircourse fire wall and coal-face, be equipped with Long-distance Control automatic airtight labeled door, generally, Long-distance Control automatic airtight labeled door opens wide, when meeting high temperature ignition dangerous situation, by Long-distance Control automatic airtight labeled door, automatically cut off the path of air intake haulage drift and return aircourse, and then by the fire wall mouth of manually using door-plate shutoff air intake haulage drift fire wall and return aircourse fire wall.
The utility model is also implemented by following measure: described Long-distance Control automatic airtight labeled door, by upper beam, doorframe, threshold, fire-proof door leaf, automatic door closer, hinge pin, thermometric switch, hand switch with close the door inductive switch that puts in place and form, the lower end of the upper end of upper beam and doorframe and threshold and doorframe is all connected and fixed by bolt is vertical, described fire-proof door leaf is provided with two fans of splitting, and is fixedly connected with respectively by hinge pin with corresponding doorframe, flat angle of release degree 80-130 degree, described automatic door closer is established two, is installed in upper beam two ends, corresponding with two fan fire-proof door leafs, at upper beam, towards a middle side part of coal-face, thermometric switch is installed, on two automatic door closers, be equipped with hand switch, maintenance or in particular cases can be by manually realizing switch, on the upper beam of thermometric switch both sides, be equipped with and close the door inductive switch that puts in place, the outer end of the connecting rod of automatic door closer connects with the movable upper end of corresponding fire-proof door leaf, the output interface of thermometric switch and automatic door closer input interface and close put in place the output interface of inductive switch of door and all by cable, be connected with PLC controller, PLC controller is connected with display with microcomputer by data transmission cable again.
Two fan fire-proof door leafs of described Long-distance Control automatic airtight labeled door are all opened to the direction of coal-face.
Described microcomputer and display are arranged in aboveground control room, by computer operation, realize Long-distance Control, thereby realize closing at aboveground control fire-proof door leaf.
When meet get angry dangerous situation, can not automatically close because of Equipment again time, can open or close two fan fire-proof door leafs by hand switch.
Periphery at two fan fire-proof door leafs is equipped with fire-retardant sealing strip.
The length of described upper beam is 2250mm, and the height of doorframe is 1840mm.
The distance of Long-distance Control automatic airtight labeled door in described air intake haulage drift from the distance of air intake haulage drift fire wall and the Long-distance Control automatic airtight labeled door in return aircourse from return aircourse fire wall is 8-12m.
Described doorframe and threshold are welded by channel-section steel; Described fire-proof door leaf consists of rectangular steel pipe and inside and outside Plate Welding, accompanies fire-retardant alumina silicate rock wool filling bed between inside and outside steel plate; Described upper beam is that rectangular steel pipe is welded.
This Long-distance Control automatic airtight labeled door meets labeled door standard GB/T 12995-2008 and public security Safety Industry standard GA93-2004.
Described automatic door closer, close put in place inductive switch, thermometric switch and connecting circuit thereof of door and be prior art, therefore seldom state.
The beneficial effects of the utility model are: Long-distance Control automatic airtight firebreak device for this mine district, not only there is manually-operated fire wall, and between fire wall and coal-face, set up there is remote control function, the Long-distance Control automatic airtight labeled door of high temperature automatic closing function and artificial closing function, can effectively avoid ignition that colliery high temperature causes and the generation of explosion accident.Particularly in exploiting field or when work plane fire has occurred or reached dangerous high temperature, after personnel withdraw, on the spot, automatically or far control the enclosed fireproof door that (command range≤ten thousand metres) close its upper and lower outlet, with entering of blocking-up oxygen, thereby make the intensity of a fire in disaster area suffocate and play the effect of fire extinguishing because of anoxic.Avoid the expansion of the condition of a disaster and spread, the personnel of preventing are strayed into, avoid causing casualties and heavy losses.
Accompanying drawing explanation
Fig. 1 is mounting structure section cross-sectional schematic of the present utility model.
Fig. 2 is that Long-distance Control automatic airtight Fireproof door structure of the present utility model is looked enlarged diagram outward.
Fig. 3 is circuit control principle schematic diagram of the present utility model.
In figure: 1, air intake haulage drift fire wall; 2, return aircourse fire wall; 3, Long-distance Control automatic airtight labeled door; 4, upper beam; 5, doorframe; 6, threshold; 7, fire-proof door leaf; 8, automatic door closer; 9, hinge pin; 10, thermometric switch; 11, hand switch; 12, close the door inductive switch that puts in place; 13, connecting rod; 14, cable; 15, PLC controller; 16, fire-retardant sealing strip; 17, microcomputer and display; Eighteen data transmission cable.
The specific embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, make the utility model.Long-distance Control automatic airtight firebreak device for this mine district, comprise air intake haulage drift fire wall 1 and return aircourse fire wall 2, air intake haulage drift fire wall 1 and return aircourse fire wall 2 are installed in the front side of coal-face, generally, the fire wall mouth of air intake haulage drift fire wall 1 and return aircourse fire wall 2 opens wide, and have enough sealing door-plates, it is characterized in that: between described air intake haulage drift fire wall 1 and return aircourse fire wall 2 and coal-face, be equipped with Long-distance Control automatic airtight labeled door 3, generally, Long-distance Control automatic airtight labeled door 3 opens wide, when meeting high temperature ignition dangerous situation, by Long-distance Control automatic airtight labeled door 3, automatically cut off the path of air intake haulage drift and return aircourse, and then by the fire wall mouth of manually using door-plate shutoff air intake haulage drift fire wall 1 and return aircourse fire wall 2.
As improvement of the present utility model: described Long-distance Control automatic airtight labeled door 3, by upper beam 4, doorframe 5, threshold 6, fire-proof door leaf 7, automatic door closer 8, hinge pin 9, thermometric switch 10, hand switch 11 with close the door inductive switch 12 that puts in place and form, the lower end of the upper end of upper beam 4 and doorframe 5 and threshold 6 and doorframe 5 is all connected and fixed by bolt is vertical, so that transportation and Assembling, described fire-proof door leaf 7 is provided with two fans of splitting, and is fixedly connected with respectively by hinge pin 9 with corresponding doorframe 5, flat angle of release degree 80-130 degree, described automatic door closer 8 is established two, is installed in upper beam 4 two ends, corresponding with two fan fire-proof door leafs 7, at upper beam 4, towards a middle side part of coal-face, thermometric switch 10 is installed, on two automatic door closers 8, be equipped with hand switch 11, on the upper beam 4 of thermometric switch 10 both sides, be equipped with and close the door inductive switch 12 that puts in place, the outer end of the connecting rod 13 of automatic door closer 8 connects with the movable upper end of corresponding fire-proof door leaf 7, the output interface of thermometric switch 10 and automatic door closer 8 input interfaces and close put in place the output interface of inductive switch 12 of door and all by cable 14, be connected with PLC controller 15, PLC controller 15 is connected with display 17 with microcomputer by data transmission cable 18 again, by thermometric switch 10, limit when temperature reaches restriction high temperature values and high temperature signal is exported, when thermometric switch 10 detects the temperature of ignition critical point, or during the temperature of having got angry, just high temperature signal is passed to PLC controller 15, PLC controller 15 is controlled 8 work of two automatic door closers again, the connecting rod 13 of two automatic door closers 8 is closed two fan fire-proof door leafs 7 simultaneously automatically, after two fan fire-proof door leafs 7 are closed, touch the corresponding door inductive switch 12 that puts in place that closes, close the door inductive switch 12 that puts in place and to PLC controller 15, send signal again, through PLC controller 15, process and by data transmission cable 18, be transported to microcomputer and display screen 17 again, in the closed condition that shows screen display two fan fire-proof door leafs 7.
Two fan fire-proof door leafs 7 of described Long-distance Control automatic airtight labeled door 3 are all opened to the direction of coal-face, like this, when having hot high pressure air-flow to impact two fan fire-proof door leafs 7, identical with the automatic closing direction of door, so can make door more rapidly, closing of more closing.
Described microcomputer and display 17 are arranged in aboveground control room, by computer operation, realize Long-distance Control, thereby realize closing at aboveground control fire-proof door leaf.
When meet get angry dangerous situation, can not automatically close because of Equipment again time, can open or close two fan fire-proof door leafs 7 by hand switch 11.
Periphery at two fan fire-proof door leafs 7 is equipped with fire-retardant sealing strip 16.
The length of described upper beam 4 is 2250mm, and the height of doorframe 5 is 1840mm.
Long-distance Control automatic airtight labeled door 3 in described air intake haulage drift is 8-12m from the distance of air intake haulage drift fire wall 1 and Long-distance Control automatic airtight labeled door 3 distances from return aircourse fire wall 2 in return aircourse.
Described doorframe 5 and threshold 6 are welded by channel-section steel; Described fire-proof door leaf 7 consists of rectangular steel pipe and inside and outside Plate Welding, accompanies fire-retardant alumina silicate rock wool filling bed between inside and outside steel plate; Described upper beam 4 is rectangular steel pipe welding.Make it have and the corresponding bearing capacity of Tunnel Pressure fire-retardant fireproof.
This Long-distance Control automatic airtight labeled door 3 meets labeled door standard GB/T 12995-2008 and public security Safety Industry standard GA93-2004.
Described automatic door closer 8, close put in place inductive switch 12, thermometric switch 10 and connecting circuit thereof of door and be prior art, therefore seldom state.
Claims (4)
1. Long-distance Control automatic airtight firebreak device for mine district, comprise air intake haulage drift fire wall (1) and return aircourse fire wall (2), air intake haulage drift fire wall (1) and return aircourse fire wall (2) are installed in the front side of coal-face, it is characterized in that: between described air intake haulage drift fire wall (1) and return aircourse fire wall (2) and coal-face, be equipped with Long-distance Control automatic airtight labeled door (3).
2. Long-distance Control automatic airtight firebreak device for mine district according to claim 1, it is characterized in that: described Long-distance Control automatic airtight labeled door (3), by upper beam (4), doorframe (5), threshold (6), fire-proof door leaf (7), automatic door closer (8), hinge pin (9), thermometric switch (10), hand switch (11) with close the door inductive switch (12) that puts in place and form, the lower end of the upper end of upper beam (4) and doorframe (5) and threshold (6) and doorframe (5) is all connected and fixed by bolt is vertical, described fire-proof door leaf (7) is provided with two fans of splitting, and is fixedly connected with respectively by hinge pin (9) with corresponding doorframe (5), described automatic door closer (8) is established two, is installed in upper beam (4) two ends, corresponding with two fan fire-proof door leafs (7), at upper beam (4), towards a middle side part of coal-face, thermometric switch (10) is installed, on two automatic door closers (8), be equipped with hand switch (11), on the upper beam (4) of thermometric switch (10) both sides, be equipped with and close the door inductive switch (12) that puts in place, the outer end of the connecting rod (13) of automatic door closer (8) connects with the movable upper end of corresponding fire-proof door leaf (7), the output interface of thermometric switch (10) and automatic door closer (8) input interface and close put in place the output interface of inductive switch (12) of door and all by cable (14), be connected with PLC controller (15), PLC controller (15) is connected with display (17) with microcomputer by data transmission cable (18) again.
3. Long-distance Control automatic airtight firebreak device for mine district according to claim 1 and 2, is characterized in that: two fan fire-proof door leafs (7) of described Long-distance Control automatic airtight labeled door (3) are all opened to the direction of coal-face; Periphery at two fan fire-proof door leafs (7) is equipped with fire-retardant sealing strip (16).
4. Long-distance Control automatic airtight firebreak device for mine district according to claim 1 and 2, is characterized in that: the distance of the Long-distance Control automatic airtight labeled door (3) in described air intake haulage drift from the distance of air intake haulage drift fire wall (1) and the Long-distance Control automatic airtight labeled door (3) in return aircourse from return aircourse fire wall (2) is 8-12m.。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636279.3U CN203515658U (en) | 2013-10-16 | 2013-10-16 | Automatic closed remote-control fire protection device for coal mining area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320636279.3U CN203515658U (en) | 2013-10-16 | 2013-10-16 | Automatic closed remote-control fire protection device for coal mining area |
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| CN203515658U true CN203515658U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320636279.3U Expired - Fee Related CN203515658U (en) | 2013-10-16 | 2013-10-16 | Automatic closed remote-control fire protection device for coal mining area |
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| CN (1) | CN203515658U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939125A (en) * | 2014-04-29 | 2014-07-23 | 中国矿业大学(北京) | Gob hot air treatment method |
| CN106958456A (en) * | 2017-05-05 | 2017-07-18 | 贵州盘江精煤股份有限公司 | A kind of Coal Mine Fire door wall construction and its construction method |
| CN110486090A (en) * | 2019-08-22 | 2019-11-22 | 煤科集团沈阳研究院有限公司 | A kind of Coal Mine Disasters active prevention and control disaster reduction system and control method |
| CN110805471A (en) * | 2019-11-05 | 2020-02-18 | 安阳工学院 | Airtight for reconstruction of oil depot chamber from abandoned coal mine roadway and construction method thereof |
| CN111350547A (en) * | 2020-03-09 | 2020-06-30 | 甘肃华亭煤电股份有限公司东峡煤矿 | Natural ignition monitoring method for coal in rock-gate airtight area for coal mining by layers |
| CN113586135A (en) * | 2021-09-07 | 2021-11-02 | 中煤科工集团重庆研究院有限公司 | Mining disaster area sealing and unsealing device and using method thereof |
-
2013
- 2013-10-16 CN CN201320636279.3U patent/CN203515658U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939125A (en) * | 2014-04-29 | 2014-07-23 | 中国矿业大学(北京) | Gob hot air treatment method |
| CN106958456A (en) * | 2017-05-05 | 2017-07-18 | 贵州盘江精煤股份有限公司 | A kind of Coal Mine Fire door wall construction and its construction method |
| CN110486090A (en) * | 2019-08-22 | 2019-11-22 | 煤科集团沈阳研究院有限公司 | A kind of Coal Mine Disasters active prevention and control disaster reduction system and control method |
| CN110805471A (en) * | 2019-11-05 | 2020-02-18 | 安阳工学院 | Airtight for reconstruction of oil depot chamber from abandoned coal mine roadway and construction method thereof |
| CN110805471B (en) * | 2019-11-05 | 2021-10-29 | 安阳工学院 | Airtight for reconstruction of oil depot chamber from abandoned coal mine roadway and construction method thereof |
| CN111350547A (en) * | 2020-03-09 | 2020-06-30 | 甘肃华亭煤电股份有限公司东峡煤矿 | Natural ignition monitoring method for coal in rock-gate airtight area for coal mining by layers |
| CN111350547B (en) * | 2020-03-09 | 2021-05-04 | 甘肃华亭煤电股份有限公司东峡煤矿 | Natural ignition monitoring method for coal in rock-gate airtight area for coal mining by layers |
| CN113586135A (en) * | 2021-09-07 | 2021-11-02 | 中煤科工集团重庆研究院有限公司 | Mining disaster area sealing and unsealing device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20171016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |