CN204627653U - A kind of coal mine gob extinguishing device - Google Patents
A kind of coal mine gob extinguishing device Download PDFInfo
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- CN204627653U CN204627653U CN201520342247.1U CN201520342247U CN204627653U CN 204627653 U CN204627653 U CN 204627653U CN 201520342247 U CN201520342247 U CN 201520342247U CN 204627653 U CN204627653 U CN 204627653U
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Abstract
The utility model provides a kind of coal mine gob extinguishing device, calcium hydroxide saturated aqueous solution apotheca is made to flow through atomized inside at spray chamber after pulverizing nozzle by high-pressure pump, spray chamber is connected on a port of proportional flow controller by a pipeline, inert gas holding vessel is connected on the another port of proportional flow controller by a pipeline, shower nozzle is provided with spray film nozzle and inert gas nozzle.Saturated aqua calcis is sprayed onto on the coal in goaf or the coal of breaking out of fire by the utility model, and utilize inert gas nozzle to spray simultaneously, in the two sprinkling process simultaneously, the temperature of fire can not only be reduced, and, calcium carbonate film can be generated, and in the surface under high pressure sticking on the coal in goaf and crack, thus utilize the method for chemistry to achieve the fire extinguishing carrying out fundamentally to it.
Description
Technical field
The utility model relates to a kind of extinguishing device, is specially a kind of coal mine gob extinguishing device, belongs to Coal Mining Technology field.
Background technology
Mine fire is one of colliery major casualty.The control of mine fire is the very important important step of Safety of Coal Mine Production all the time.Due to the restriction of mining equipment and production technique, Residual coal in goaf is more, and mostly is shallow mining, is easy to work hard in glove with surface cracks, and ignition hazard is more outstanding.Therefore, research and extension application fire extinguishing new technology, the particularly fire prevention in goaf, be still the task of top priority of all kinds of Safety of Coal Mine Production of current China, current coal mine gob fire prevention is adopt the mode such as nitrogen, carbon dioxide to put out a fire mostly, but, only adopt this physical method to put out a fire, extinguishing effect is very limited, can not fundamentally prevent fires.
For solving above technical problem, the utility model provides a kind of coal mine gob extinguishing device, it adopts high-pressure pump and pulverizing nozzle, saturated aqua calcis is sprayed onto on the coal in goaf or the coal of breaking out of fire, and utilize inert gas nozzle to spray simultaneously, in the two sprinkling process simultaneously, the temperature of fire can not only be reduced, and, calcium carbonate film can be generated, and in the surface under high pressure sticking on the coal in goaf and crack, thus utilize the method for chemistry to achieve the fire extinguishing carrying out fundamentally to it, and fireproof function can be realized, in addition, stretched out the height of nozzle surface higher than spray film nozzle by the height that arranges inert gas nozzle, inert gas can be made, first cover the surface of coal, then spray film sprays covering immediately, further can strengthen effect and the speed of chemical reaction and film former, improve the effect of fire extinguishing, simultaneously, by mixed proportion controller and flow valve one, flow valve two, and can need to regulate mixed proportion according to actual concentrations, reach best mixing extinguishing effect.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided a kind of coal mine gob extinguishing device, it comprises calcium hydroxide saturated aqueous solution apotheca, high-pressure pump, spray chamber, pulverizing nozzle, flow valve one, flow valve two, pipeline, proportional flow controller, shower nozzle, spray film nozzle, inert gas nozzle, inert gas holding vessel, force (forcing) pump one and force (forcing) pump two, it is characterized in that, described calcium hydroxide saturated aqueous solution apotheca adopts described pipeline to be connected with described high-pressure pump, described spray chamber inside is provided with pulverizing nozzle, described pulverizing nozzle is connected with described calcium hydroxide saturated aqueous solution apotheca, to make described calcium hydroxide saturated aqueous solution apotheca flow through atomized inside at described spray chamber after described pulverizing nozzle by described high-pressure pump, described spray chamber is connected on a port of described proportional flow controller by a pipeline, described inert gas holding vessel is connected on the another port of described proportional flow controller by a pipeline, wherein, pipeline between described spray chamber and described proportional flow controller is provided with flow valve one, pipeline between described inert gas holding vessel and described proportional flow controller is provided with flow valve two, described shower nozzle is provided with spray film nozzle and described inert gas nozzle, wherein, described proportional flow controller is connected with the spray film nozzle on described shower nozzle for exporting the port of atomization gas, port for exporting inert gas on described proportional flow controller is connected with the inert gas nozzle on described shower nozzle.
Further, as preferably, between described spray film nozzle and described inert gas nozzle, side by side parallel is arranged on described shower nozzle.
Further, as preferably, the height that described spray film nozzle stretches out described nozzle surface stretches out the height of nozzle surface lower than described inert gas nozzle.
Further, as preferably, the height that the height that described spray film nozzle stretches out described nozzle surface stretches out nozzle surface lower than described inert gas nozzle is 8-15mm.
Further, as preferably, the pipeline connecting described high-pressure pump is provided with pressure meter.
The beneficial effects of the utility model:
A kind of coal mine gob extinguishing device that the utility model provides, it adopts high-pressure pump and pulverizing nozzle, saturated aqua calcis is sprayed onto on the coal in goaf or the coal of breaking out of fire, and utilize inert gas nozzle to spray simultaneously, in the two sprinkling process simultaneously, the temperature of fire can not only be reduced, and, calcium carbonate film can be generated, and in the surface under high pressure sticking on the coal in goaf and crack, thus utilize the method for chemistry to achieve the fire extinguishing carrying out fundamentally to it, and fireproof function can be realized, in addition, stretched out the height of nozzle surface higher than spray film nozzle by the height that arranges inert gas nozzle, inert gas can be made, first cover the surface of coal, then spray film sprays covering immediately, further can strengthen effect and the speed of chemical reaction and film former, improve the effect of fire extinguishing, simultaneously, by mixed proportion controller and flow valve one, flow valve two, and can need to regulate mixed proportion according to actual concentrations, reach best mixing extinguishing effect.
Accompanying drawing explanation
The structured flowchart of a kind of coal mine gob extinguishing device that Fig. 1 provides for the utility model;
Wherein, 1, calcium hydroxide saturated aqueous solution apotheca, 2, high-pressure pump, 3, spray chamber, 4, pulverizing nozzle, 5, flow valve one, 6, flow valve two, 7, pipeline, 8, proportional flow controller, 9, shower nozzle, 10, spray film nozzle, 11, inert gas nozzle, 12, inert gas holding vessel, 13, force (forcing) pump one, 14, force (forcing) pump two.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model provides a kind of coal mine gob extinguishing device, it comprises calcium hydroxide saturated aqueous solution apotheca 1, high-pressure pump 2, spray chamber 3, pulverizing nozzle 4, flow valve 1, flow valve 26, pipeline 7, proportional flow controller 8, shower nozzle 9, spray film nozzle 10, inert gas nozzle 11, inert gas holding vessel 12, force (forcing) pump 1 and force (forcing) pump 2 14, calcium hydroxide saturated aqueous solution apotheca 1 adopts pipeline 7 to be connected with high-pressure pump 2, spray chamber 3 inside is provided with pulverizing nozzle 4, pulverizing nozzle 4 is connected with calcium hydroxide saturated aqueous solution apotheca 1, to make described calcium hydroxide saturated aqueous solution apotheca 1 flow through atomized inside at spray chamber 3 after described pulverizing nozzle 4 by high-pressure pump 2, spray chamber 3 is connected on a port of described proportional flow controller 8 by a pipeline 7, inert gas holding vessel 12 is connected on the another port of described proportional flow controller 8 by a pipeline, wherein, pipeline between spray chamber 3 and proportional flow controller 8 is provided with flow valve 1, pipeline between inert gas holding vessel 12 and described proportional flow controller 8 is provided with flow valve 26, shower nozzle 9 is provided with spray film nozzle 10 and described inert gas nozzle 11, wherein, port for exporting atomization gas on proportional flow controller 8 is connected with the spray film nozzle 10 on described shower nozzle 9, port for exporting inert gas on proportional flow controller 8 is connected with the inert gas nozzle 11 on described shower nozzle 9.
In the present embodiment, between spray film nozzle 10 and described inert gas nozzle 11, side by side parallel is arranged on described shower nozzle 9.The height that spray film nozzle 10 stretches out described shower nozzle 9 surface stretches out the height on shower nozzle 9 surface lower than described inert gas nozzle 11.In the present embodiment, the height that the height that spray film nozzle 10 stretches out described shower nozzle 9 surface stretches out shower nozzle 9 surface lower than described inert gas nozzle 10 is 8-15mm.The pipeline connecting described high-pressure pump 2 is provided with pressure meter (not shown).
The utility model adopts high-pressure pump and pulverizing nozzle, saturated aqua calcis is sprayed onto on the coal in goaf or the coal of breaking out of fire, and utilize inert gas nozzle to spray simultaneously, in the two sprinkling process simultaneously, the temperature of fire can not only be reduced, and, calcium carbonate film can be generated, and in the surface under high pressure sticking on the coal in goaf and crack, thus utilize the method for chemistry to achieve the fire extinguishing carrying out fundamentally to it, and fireproof function can be realized, in addition, stretched out the height of nozzle surface higher than spray film nozzle by the height that arranges inert gas nozzle, inert gas can be made, first cover the surface of coal, then spray film sprays covering immediately, further can strengthen effect and the speed of chemical reaction and film former, improve the effect of fire extinguishing, simultaneously, by mixed proportion controller and flow valve one, flow valve two, and can need to regulate mixed proportion according to actual concentrations, reach best mixing extinguishing effect.
Claims (5)
1. a coal mine gob extinguishing device, it comprises calcium hydroxide saturated aqueous solution apotheca, high-pressure pump, spray chamber, pulverizing nozzle, flow valve one, flow valve two, pipeline, proportional flow controller, shower nozzle, spray film nozzle, inert gas nozzle, inert gas holding vessel, force (forcing) pump one and force (forcing) pump two, it is characterized in that, described calcium hydroxide saturated aqueous solution apotheca adopts described pipeline to be connected with described high-pressure pump, described spray chamber inside is provided with pulverizing nozzle, described pulverizing nozzle is connected with described calcium hydroxide saturated aqueous solution apotheca, to make described calcium hydroxide saturated aqueous solution apotheca flow through atomized inside at described spray chamber after described pulverizing nozzle by described high-pressure pump, described spray chamber is connected on a port of described proportional flow controller by a pipeline, described inert gas holding vessel is connected on the another port of described proportional flow controller by a pipeline, wherein, pipeline between described spray chamber and described proportional flow controller is provided with flow valve one, pipeline between described inert gas holding vessel and described proportional flow controller is provided with flow valve two, described shower nozzle is provided with spray film nozzle and described inert gas nozzle, wherein, described proportional flow controller is connected with the spray film nozzle on described shower nozzle for exporting the port of atomization gas, port for exporting inert gas on described proportional flow controller is connected with the inert gas nozzle on described shower nozzle.
2. a kind of coal mine gob according to claim 1 extinguishing device, is characterized in that, between described spray film nozzle and described inert gas nozzle, side by side parallel is arranged on described shower nozzle.
3. a kind of coal mine gob according to claim 1 extinguishing device, is characterized in that, the height that described spray film nozzle stretches out described nozzle surface stretches out the height of nozzle surface lower than described inert gas nozzle.
4. a kind of coal mine gob extinguishing device according to claim 1-3 any one, is characterized in that, the height that the height that described spray film nozzle stretches out described nozzle surface stretches out nozzle surface lower than described inert gas nozzle is 8-15mm.
5. a kind of coal mine gob extinguishing device according to claim 1-3 any one, is characterized in that, the pipeline connecting described high-pressure pump is provided with pressure meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520342247.1U CN204627653U (en) | 2015-05-22 | 2015-05-22 | A kind of coal mine gob extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520342247.1U CN204627653U (en) | 2015-05-22 | 2015-05-22 | A kind of coal mine gob extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204627653U true CN204627653U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520342247.1U Expired - Fee Related CN204627653U (en) | 2015-05-22 | 2015-05-22 | A kind of coal mine gob extinguishing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204627653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884672A (en) * | 2017-04-25 | 2017-06-23 | 中国矿业大学(北京) | A kind of mining mobile dry ice phase transformation fire extinguishing system and the method for implementing fire extinguishing |
| CN108915756A (en) * | 2018-07-12 | 2018-11-30 | 河南理工大学 | A kind of coal mine roadway three-phase collaboration inhibits the method and device of gas explosion |
-
2015
- 2015-05-22 CN CN201520342247.1U patent/CN204627653U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884672A (en) * | 2017-04-25 | 2017-06-23 | 中国矿业大学(北京) | A kind of mining mobile dry ice phase transformation fire extinguishing system and the method for implementing fire extinguishing |
| CN106884672B (en) * | 2017-04-25 | 2019-02-12 | 中国矿业大学(北京) | A kind of mining mobile dry ice phase transformation fire extinguishing system and the method for implementing fire extinguishing |
| CN108915756A (en) * | 2018-07-12 | 2018-11-30 | 河南理工大学 | A kind of coal mine roadway three-phase collaboration inhibits the method and device of gas explosion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150909 Termination date: 20160522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |