CN102102532A - Automatic drainage device for mine gas extraction pipe - Google Patents
Automatic drainage device for mine gas extraction pipe Download PDFInfo
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- CN102102532A CN102102532A CN 201010611015 CN201010611015A CN102102532A CN 102102532 A CN102102532 A CN 102102532A CN 201010611015 CN201010611015 CN 201010611015 CN 201010611015 A CN201010611015 A CN 201010611015A CN 102102532 A CN102102532 A CN 102102532A
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Abstract
The invention relates to an automatic drainage device for a mine gas extraction pipe. The automatic drainage device comprises a water collection cavity, wherein the water collection cavity is provided with a water inlet and a water outlet; an intrinsically safe control cavity is formed above the water collection cavity; a controller and an intrinsically safe electric pressure relief valve are arranged in the intrinsically safe control cavity and are electrically connected with each other; the intrinsically safe electric pressure relief valve is provided with a first port, a second port and a third port; the first port is connected with a gas inlet pressure relief and balance hole above the water collection cavity; the second port is communicated with a water inlet pipe; the third port is communicated with a gas inlet pressure relief pipe; the water inlet pipe is extended into the water collection cavity through the water inlet; the end head of the water inlet pipe is provided with a water inlet check valve; and the water outlet is provided with a water outlet check valve. In the automatic drainage device, a signal is output to the conventional safety monitoring system of a mine through a signal/power interface, so that whether the drainage device is in a water discharge state, a water collection state or a complete state can be intuitively observed on the ground, the labor maintenance is reduced, and the water discharge efficiency is improved.
Description
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Technical field
The invention belongs to the dewatering installation that uses in coal mine or the tunnel, be specifically related to a kind of automatic tailrace that is used for coal mine gas extraction pipe.
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Background technology
At present, the effective automatic tailrace of gas pumping of colliery use is to utilize the ball float principle, the mechanical adjustment discharging valve.Extraction pipe jettison gear is ponding under the high negative pressure state at ordinary times, mechanical adjustment mechanism is because the interior quality problem of extraction pipe, made it lose automatic regulatory function by corrosion easily, and the extraction pipe-line system that employing manually discharges water, behind the long-pending full water of tailrace, need manually to go to discharge water, time-consuming like this taking a lot of work, and also want temporary close extraction pump when discharging water, so just reduced the extraction rate.This properties of product instability does not have communication function, can not be at ground observation to the state of discharging water, if fault can not in time be found, the effect that discharges water is also undesirable, and the manual maintenance workload is big.
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Summary of the invention
At above-mentioned problems of the prior art, the object of the present invention is to provide a kind of automatic tailrace that is used for coal mine gas extraction pipe, it can realize that the gas pumping system effectively catchments, discharges water automatically, save cost of human resources, realize the extraction maximizing efficiency, realize the target of " protrusion-dispelling, explosion-proof, anti-transfiniting " to advance gas control
The technical scheme that the present invention is taked for its purpose of realization: a kind of automatic tailrace that is used for coal mine gas extraction pipe, comprise collect cavity, establish water inlet and dewatering outlet on the collect cavity, the intrinsic safety control chamber is established in described collect cavity top, be provided with controller and the electronic pressure-relief valve of intrinsic safety in the described intrinsic safety control chamber, both are electrically connected; Establish first interface, second interface and the 3rd interface on the electronic pressure-relief valve of described intrinsic safety; The air inlet release and the balance pipe of described first interface and collect cavity top join, and described second interface is connected with water inlet pipe, and described the 3rd interface is connected with the air inlet relief tube; Described water inlet pipe puts in the described collect cavity through described water inlet, and establishes the water inlet non retern valve in the water inlet pipe termination, establishes the non retern valve that discharges water on the described dewatering outlet.The electronic pressure-relief valve of described intrinsic safety is the electronic pressure-relief valve of L type intrinsic safety.Signal/power interface is established in the described intrinsic safety control chamber outside, and it is electrically connected with intrinsic safety type coal mine safety monitoring substation.
Useful technique effect of the present invention is embodied in the following aspects:
1, will catchment (discharging water) status signal feedback of signal/power interface outputs to the existing safety monitoring system in colliery, the open and-shut mode that on ground monitoring center monitoring terminal, shows tailrace in real time, during use, just can observe tailrace intuitively on ground is in the state of discharging water or is in the state of catchmenting, and the serviceable condition of device, reduce the manual maintenance amount, improved the efficient that discharges water.
2, use the present invention not need to change the design of coal mine safety monitoring system software, thereby can just not make full use of the coal mine safety monitoring system existing capability for safety monitoring system increases extra burden.
3, the present invention has infrared remote control the frequency that discharges water automatically is set, and it is convenient that the user changes parameter, does not need to open the intrinsic safety control cabinet and just can operate.
4, this tailrace maximum current is about 30mA.
Description of drawings
Fig. 1 is the present invention's view of catchmenting;
Fig. 2 is the present invention's view that discharges water;
Fig. 3 is a controller schematic diagram of the present invention.
Among the above-mentioned figure: 1, water inlet non retern valve, 2, the electronic pressure-relief valve of intrinsic safety, 3, non retern valve discharges water, 4, first interface, 5, second interface, the 6, the 3rd interface, 7, water inlet pipe, 8, loam cake, 9, this presses control chamber, 10, controller, 11, collect cavity, 12, the dewatering outlet, 13 water inlets, 14, air inlet relief tube, 15, signal/power interface.
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The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described by embodiment.
Embodiment:
Referring to Fig. 1, the effective automatic tailrace of coal mine gas extraction comprises collect cavity 11, and collect cavity 11 tops are provided with intrinsic safety control chamber 9, is provided with the electronic pressure-relief valve 2 of controller 10 and intrinsic safety in the chamber, and both are electrically connected; Establish first interface 4, second interface 5 and the 3rd interface 6 on the electronic pressure-relief valve 2 of intrinsic safety; First interface 4 joins with the air inlet release and the balance pipe of collect cavity 11 tops, and second interface 5 is connected with water inlet pipe 7, the 3rd interface 6 ambient atmosphere pressure that is connected with air inlet relief tube 14; One end of water inlet pipe 7 puts in the described collect cavity 11 through described water inlet 13, and establishes water inlet non retern valve 1 in the termination, establishes the non retern valve 3 that discharges water on the dewatering outlet 12.The end in addition of water inlet pipe 7 is being communicated with the gas pumping pipe.The electronic pressure-relief valve 2 of intrinsic safety adopts the electronic pressure-relief valve of L type intrinsic safety.Signal/power interface 15 is established in intrinsic safety control chamber 9 outsides, and it is electrically connected with intrinsic safety type coal mine safety monitoring substation.Controller 10 8421 yards of built-in infrared remote controls or control contact also are provided with liquid crystal display.
Fig. 1 is the view of catchmenting, when tailrace is in when catchmenting state, first interface 4 of the electronic pressure-relief valve 2 of intrinsic safety and 6 blocking-up of the 3rd interface, first interface 4 and 5 conductings of second interface, the pressure at non retern valve 1 two ends of intaking this moment equates, water inlet non retern valve 1 is opened under the effect of the gravity of water automatically, non retern valve 3 adhesive under the effect of extraction negative pressure that discharges water, and water flows to collect cavity under the effect of gravity.
Fig. 2 is the view that discharges water, when the water in the tailrace water tank that is in the state of catchmenting when the frequency of setting in advance that discharges water reaches discharge time, controller 10 outputs signal to the electronic pressure-relief valve 2 of intrinsic safety, make first interface 4 and 5 blocking-up of second interface of the electronic pressure-relief valve 2 of intrinsic safety, first interface 4 and 6 conductings of the 3rd interface, atmosphere enters collect cavity, make the pressure at water non retern valve 1 two ends into unequal, the adhesive under the effect of negative pressure of water inlet non retern valve 1, because the effect of atmospheric pressure and hydraulic pressure is opened the non retern valve 3 that discharges water, water is under the effect of gravity simultaneously, flow out water tank, reach the purpose that discharges water automatically.
The present invention is pair of control in parallel contact on controller, leaving on mouthful control relay of the outstation of this control contact access security monitoring system, when catchmenting and discharging water the state conversion, controller 10 is uploaded to RS-485 of intrinsic safety type coal mine safety monitoring substation or passive contact signal, to reach the purpose in the ground central station monitoring.
Claims (3)
1. automatic tailrace that is used for coal mine gas extraction pipe, comprise collect cavity (11), establish water inlet (13) and dewatering outlet (12) on the collect cavity (11), it is characterized in that: intrinsic safety control chamber (9) is established in described collect cavity (11) top, be provided with controller (10) and the electronic pressure-relief valve of intrinsic safety (2) in the described intrinsic safety control chamber (9), both are electrically connected; Establish first interface (4), second interface (5) and the 3rd interface (6) on the electronic pressure-relief valve of described intrinsic safety (2); Described first interface (4) joins with the air inlet release and the balance pipe of collect cavity (11) top, and described second interface (5) is connected with water inlet pipe (7), and described the 3rd interface (6) is connected with air inlet relief tube (14); Described water inlet pipe (7) puts in the described collect cavity (11) through described water inlet (13), and establishes water inlet non retern valve (1) in the water inlet pipe termination, establishes the non retern valve that discharges water (3) on described dewatering outlet (12).
2. the automatic tailrace that is used for coal mine gas extraction pipe according to claim 1 is characterized in that: the electronic pressure-relief valve of described intrinsic safety (2) is the electronic pressure-relief valve of L type intrinsic safety.
3. the automatic tailrace that is used for coal mine gas extraction pipe according to claim 1 is characterized in that: signal/power interface (15) is established in described intrinsic safety control chamber (9) outside, and it is electrically connected with intrinsic safety type coal mine safety monitoring substation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010611015 CN102102532A (en) | 2010-12-29 | 2010-12-29 | Automatic drainage device for mine gas extraction pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010611015 CN102102532A (en) | 2010-12-29 | 2010-12-29 | Automatic drainage device for mine gas extraction pipe |
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| Publication Number | Publication Date |
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| CN102102532A true CN102102532A (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201010611015 Pending CN102102532A (en) | 2010-12-29 | 2010-12-29 | Automatic drainage device for mine gas extraction pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493834A (en) * | 2011-11-29 | 2012-06-13 | 山东新矿赵官能源有限责任公司 | Water and waste rock discharging device for extracting gas and working method thereof |
| CN102889098A (en) * | 2012-10-22 | 2013-01-23 | 淮南矿业(集团)有限责任公司 | Water discharging device of gas extraction pipeline |
| CN103362549A (en) * | 2012-04-09 | 2013-10-23 | 淮南矿业(集团)有限责任公司 | Automatic water draining device and gas extraction system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201610760U (en) * | 2010-01-25 | 2010-10-20 | 淮南矿业(集团)有限责任公司 | Automatic water drainage device |
| CN201635762U (en) * | 2010-04-02 | 2010-11-17 | 刘广顺 | Automatic water drainage device for coal mine gas extraction pipe |
| CN201934137U (en) * | 2010-12-29 | 2011-08-17 | 三正集团股份有限公司 | Automatic water drainage device used for gas drainage tube of coal mine |
-
2010
- 2010-12-29 CN CN 201010611015 patent/CN102102532A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201610760U (en) * | 2010-01-25 | 2010-10-20 | 淮南矿业(集团)有限责任公司 | Automatic water drainage device |
| CN201635762U (en) * | 2010-04-02 | 2010-11-17 | 刘广顺 | Automatic water drainage device for coal mine gas extraction pipe |
| CN201934137U (en) * | 2010-12-29 | 2011-08-17 | 三正集团股份有限公司 | Automatic water drainage device used for gas drainage tube of coal mine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493834A (en) * | 2011-11-29 | 2012-06-13 | 山东新矿赵官能源有限责任公司 | Water and waste rock discharging device for extracting gas and working method thereof |
| CN103362549A (en) * | 2012-04-09 | 2013-10-23 | 淮南矿业(集团)有限责任公司 | Automatic water draining device and gas extraction system |
| CN103362549B (en) * | 2012-04-09 | 2016-02-03 | 淮南矿业(集团)有限责任公司 | Automatic water drainage device and gas drainage system |
| CN102889098A (en) * | 2012-10-22 | 2013-01-23 | 淮南矿业(集团)有限责任公司 | Water discharging device of gas extraction pipeline |
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Application publication date: 20110622 |