CN103256067A - Gas pumping and releasing pipeline explosion suppression fire retarding device - Google Patents
Gas pumping and releasing pipeline explosion suppression fire retarding device Download PDFInfo
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- CN103256067A CN103256067A CN2013101868619A CN201310186861A CN103256067A CN 103256067 A CN103256067 A CN 103256067A CN 2013101868619 A CN2013101868619 A CN 2013101868619A CN 201310186861 A CN201310186861 A CN 201310186861A CN 103256067 A CN103256067 A CN 103256067A
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Abstract
The invention discloses a gas pumping and releasing pipeline explosion suppression fire retarding device which solves the problems that an existing gas pumping and releasing pipeline has great potential safety dangers. An explosion suppression system comprises a controller, a flame detector and a fire extinguisher. The output end of the flame detector is connected with the input end of the controller. The output end of the controller is connected with the input end of the fire extinguisher. A fire retarding system comprises a shell body and a metal mesh located in the shell body. An explosion venting plate is arranged at the top of the shell body. A gas inlet pipe and a gas outlet pipe are respectively arranged on the left side wall and the right side wall of the shell body. Sealing water drowning the bottom of the gas inlet pipe is arranged at the bottom of the shell body. The shell body on the outer side of the sealing water is provided with a water level sensor and a water level indicator. The water level sensor and the water level indicator are communicated with the sealing water. The gas pumping and releasing pipeline explosion suppression fire retarding device effectively restrict gas explosion of a pumping and releasing pipeline, eradicates occurrence of chain explosion of a pumping and releasing pipe network, is high in fire retarding performance, and has the advantages of being simple in structure, convenient to operate, and low in cost. Moreover, the suppression process is high in speed and effective.
Description
Technical field
The present invention relates to coalmine ventilation and security fields, be specially the datonation-inhibition fire retardant device of a kind of gas drainage under suction pipeline.
Background technology
Because the fire damp conveyance conduit is in connected mode in parallel and series connection, in case after the local appearance leakage of fire damp conveyance conduit and burning things which may cause a fire disaster enter pipeline, burning and detonation take place, can propagate along pipeline, feed through to other zone, be unfavorable for the safety of whole gas pumping induction system.
Summary of the invention
The present invention provides a kind of gas drainage under suction pipeline datonation-inhibition fire retardant device in order to solve the problem that there is big potential safety hazard in existing gas drainage under suction pipeline.
The present invention adopts following technical scheme to realize: the datonation-inhibition fire retardant device of gas drainage under suction pipeline, comprise datonation-inhibition system and back-fire relief system, datonation-inhibition system comprises controller and is arranged on the extraction pipeline and the flame detector that communicates with it and fire extinguisher, the output of flame detector is connected with the input of controller, and the output of controller is connected with the input of fire extinguisher; The back-fire relief system comprises housing, is positioned at the wire lath of housing, the top of housing is provided with the venting of dust explosion plate, and the left and right sides sidewall of housing is provided with gas inlet pipe and gas escape pipe, the bottom of housing is provided with the sealing water that floods gas inlet pipe bottom, and the housing in the sealing water outside is provided with and seals level sensor and the water level meter that water is communicated with.
When flame detector detected the extraction entrance and burning things which may cause a fire disaster occurs, controller can receive coherent signal and send instruction to fire extinguisher, sprayed extinguishing chemical at a high speed, thereby the purpose that the flame of realizing occurring puts out guarantees the safety of extraction pipeline; Simultaneously when blast or burn in gas escape pipe end; the impact generated by explosion ripple makes the explosion of venting of dust explosion plate, discharges blast pressure; sealing water plays flame arrest, back-fire relief effect, stops gas explosion or burning to pass to gas inlet pipe, reaches the purpose of protection gas inlet pipe and ancillary service thereof.Overcome the problem that there is big potential safety hazard in existing gas drainage under suction pipeline.
Housing is left shell and the right shell body that is interconnected, level sensor is communicated with left shell and right shell body, the water level meter is positioned at the left shell outside, gas inlet pipe is positioned at the left shell sidewall, the gas escape pipe is positioned at the right shell body sidewall, the venting of dust explosion plate is positioned at the right shell body top, has further promoted the performance of flame arrest, back-fire relief.
Reasonable in design of the present invention is reliable, realized the effective inhibition to the gas explosion of extraction pipeline, process of inhibition has at a high speed, characteristics of high efficiency, and the generation of stopping extraction pipe network chain explosion phenomenon, the back-fire relief performance is higher, has advantage simple in structure, easy to operate and that cost is low.
Description of drawings
Fig. 1 is the structural representation of datonation-inhibition system among the present invention;
Fig. 2 is the structural representation of back-fire relief system among the present invention;
Fig. 3 is the another kind of structural representation of back-fire relief system among the present invention.
Among the figure: the 1-controller, 2-extraction pipeline, the 3-flame detector, the 4-fire extinguisher, the 5-housing, 6-venting of dust explosion plate, the 7-gas inlet pipe, 8-gas escape pipe, 9-seals water, 10-level sensor, 11-water level meter, 12-left shell, 13-right shell body.
The specific embodiment
The datonation-inhibition fire retardant device of gas drainage under suction pipeline, comprise datonation-inhibition system and back-fire relief system, datonation-inhibition system comprises controller 1 and the flame detector 3 and the fire extinguisher 4 that are arranged on the extraction pipeline 2 and communicate with it, the output of flame detector 3 is connected with the input of controller 1, and the output of controller 1 is connected with the input of fire extinguisher 4; The back-fire relief system comprises housing 5, is positioned at the wire lath of housing 5, the top of housing 5 is provided with venting of dust explosion plate 6, and the left and right sides sidewall of housing 5 is provided with gas inlet pipe 7 and gas escape pipe 8, the bottom of housing 5 is provided with the sealing water 9 that floods gas inlet pipe 7 bottoms, and the housing 5 in sealing water 9 outsides is provided with and seals level sensor 10 and the water level meter 11 that water 9 is communicated with.
Left shell 12 and the right shell body 13 of housing 5 for being interconnected, level sensor 10 is communicated with left shell 12 and right shell body 13, and water level meter 11 is positioned at left shell 12 outsides, and gas inlet pipe 7 is positioned at left shell 12 sidewalls, gas escape pipe 8 is positioned at right shell body 13 sidewalls, and venting of dust explosion plate 6 is positioned at right shell body 13 tops.
In the specific implementation process, datonation-inhibition system is installed in 20m place before down-hole extraction pipeline 2 crosspoints, flame detector 3 is installed in extraction pipeline 2 terminal 500mm places, and controller 1 is installed in single-unit extraction pipeline 2 middle parts, and fire extinguisher 4 is installed in the 500mm place that the pipeline end links to each other with joint; Flame detector 3 is the ultraviolet flame sensor: operating voltage: 7～8.4V DC, sensitivity: detectable 5m is 1 candle light flame at a distance, monitoring range: 120 ° of circular cone angles, signal output: high level when fire is arranged (〉=4.9VDC), low level when not having fire (≤0.1VDC); Controller 1 operating voltage: 7～8.4V DC, operating current:＜150mA; The explosion suppressor of fire extinguisher 4: dust lag time :≤l5ms, mist formation time :≤90ms, dust cloud life period: 〉=l000ms, extinguishing chemical: ABC powder extinguishing agent; The single explosion suppressor of extinguishing chemical quality: l2kg/.
Nominal pressure 〉=the 1.0MPa of back-fire relief system, release pressure are 90kPa-120kPa, and the height of sealing water 9 satisfies the back-fire relief explosion venting device pressure loss≤2.0kPa simultaneously and is as the criterion with effective back-fire relief.
Claims (2)
1. datonation-inhibition fire retardant device of gas drainage under suction pipeline, it is characterized in that: comprise datonation-inhibition system and back-fire relief system, datonation-inhibition system comprises controller (1) and is arranged on flame detector (3) and the fire extinguisher (4) that extraction pipeline (2) is gone up and communicated with it, the output of flame detector (3) is connected with the input of controller (1), and the output of controller (1) is connected with the input of fire extinguisher (4); The back-fire relief system comprises housing (5), is positioned at the wire lath of housing (5), the top of housing (5) is provided with venting of dust explosion plate (6), and the left and right sides sidewall of housing (5) is provided with gas inlet pipe (7) and gas escape pipe (8), the bottom of housing (5) is provided with the sealing water (9) that floods gas inlet pipe (7) bottom, and the housing (5) in sealing water (9) outside is provided with and seals level sensor (10) and the water level meter (11) that water (9) is communicated with.
2. the datonation-inhibition fire retardant device of gas drainage under suction pipeline according to claim 1, it is characterized in that: left shell (12) and the right shell body (13) of housing (5) for being interconnected, level sensor (10) is communicated with left shell (12) and right shell body (13), water level meter (11) is positioned at left shell (12) outside, gas inlet pipe (7) is positioned at left shell (12) sidewall, gas escape pipe (8) is positioned at right shell body (13) sidewall, and venting of dust explosion plate (6) is positioned at right shell body (13) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101868619A CN103256067A (en) | 2013-05-20 | 2013-05-20 | Gas pumping and releasing pipeline explosion suppression fire retarding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101868619A CN103256067A (en) | 2013-05-20 | 2013-05-20 | Gas pumping and releasing pipeline explosion suppression fire retarding device |
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| CN103256067A true CN103256067A (en) | 2013-08-21 |
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| CN2013101868619A Pending CN103256067A (en) | 2013-05-20 | 2013-05-20 | Gas pumping and releasing pipeline explosion suppression fire retarding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937404A (en) * | 2016-07-08 | 2016-09-14 | 中国矿业大学 | Fast extinguishing device for gas flames sprayed out by fully-mechanized coal mining face short drill hole |
| CN108348793A (en) * | 2015-10-30 | 2018-07-31 | 联邦科学和工业研究组织 | Pipe-line system |
| WO2019109654A1 (en) * | 2017-12-07 | 2019-06-13 | 中国矿业大学 | Combined automatic explosion suppression method for gas discharge pipe |
| CN112043996A (en) * | 2020-09-17 | 2020-12-08 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093183Y (en) * | 2007-09-14 | 2008-07-30 | 煤炭科学研究总院重庆研究院 | Water sealing type fire retardant blowout device |
| CN202900308U (en) * | 2012-10-25 | 2013-04-24 | 山东博水泵业有限公司 | Positive-pressure anti-return-air anti-return-water device |
| CN203239383U (en) * | 2013-05-20 | 2013-10-16 | 山西晋城无烟煤矿业集团有限责任公司 | Gas drainage pipeline explosion suppression fire retardance device |
-
2013
- 2013-05-20 CN CN2013101868619A patent/CN103256067A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201093183Y (en) * | 2007-09-14 | 2008-07-30 | 煤炭科学研究总院重庆研究院 | Water sealing type fire retardant blowout device |
| CN202900308U (en) * | 2012-10-25 | 2013-04-24 | 山东博水泵业有限公司 | Positive-pressure anti-return-air anti-return-water device |
| CN203239383U (en) * | 2013-05-20 | 2013-10-16 | 山西晋城无烟煤矿业集团有限责任公司 | Gas drainage pipeline explosion suppression fire retardance device |
Non-Patent Citations (1)
| Title |
|---|
| 林雪峰: "低浓度瓦斯管道输送安全保障装备的构成及原理", 《煤炭技术》, vol. 31, no. 2, 29 February 2012 (2012-02-29) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348793A (en) * | 2015-10-30 | 2018-07-31 | 联邦科学和工业研究组织 | Pipe-line system |
| CN105937404A (en) * | 2016-07-08 | 2016-09-14 | 中国矿业大学 | Fast extinguishing device for gas flames sprayed out by fully-mechanized coal mining face short drill hole |
| WO2019109654A1 (en) * | 2017-12-07 | 2019-06-13 | 中国矿业大学 | Combined automatic explosion suppression method for gas discharge pipe |
| US10612379B2 (en) | 2017-12-07 | 2020-04-07 | China University Of Mining And Technology | Combined automatic anti-explosion method for gas drainage pipeline |
| CN112043996A (en) * | 2020-09-17 | 2020-12-08 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
| CN112043996B (en) * | 2020-09-17 | 2021-10-15 | 中煤科工集团重庆研究院有限公司 | Fire-retardant type overpressure diffusing device |
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Application publication date: 20130821 |