CN102493834A - Water and waste rock discharging device for extracting gas and working method thereof - Google Patents
Water and waste rock discharging device for extracting gas and working method thereof Download PDFInfo
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- CN102493834A CN102493834A CN2011103880067A CN201110388006A CN102493834A CN 102493834 A CN102493834 A CN 102493834A CN 2011103880067 A CN2011103880067 A CN 2011103880067A CN 201110388006 A CN201110388006 A CN 201110388006A CN 102493834 A CN102493834 A CN 102493834A
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Abstract
The invention discloses a water and waste rock discharging device for extracting gas and a working method thereof. The water and waste rock discharging device comprises a separator used for separating gas, water and waste rocks and a water discharging device arranged at the lower portion of the separator. The separator and the water discharging device are both can-shaped containers. One side of the upper portion of the separator is provided with a pipe orifice connected with a drill hole, the top portion of the separator is provided with a gas extract opening and a gas return opening, one side of the lower portion of the separator is provided with a water discharging opening, the bottom of the separator is provided with a slag discharging opening, and a liquid level observation pipe is arranged outside the wall of the separator. The top portion of the water discharging device is provided with a water inlet connected with the water discharging opening and a gas outlet valve connected with the gas return opening of the separator, the top portion of the water discharging device is further provided with a gas inlet valve, and the bottom of the water discharging device is provided with a water discharging valve. The water and waste rock discharging device for extracting the gas and the working method of the water and waste rock discharging device are proved by practical production use to have good effect. Simultaneously, steam and water separation, water discharging and slag discharging are integrally designed, thereby enabling a structure to be simple and investment to be small.
Description
Technical field
The present invention relates to that a kind of gas pumping discharges water, slag-draining device.
Background technology
In highly gassy mine or gas emphasis district, construction drill in the crossheading drill site carries out gas pumping through boring at present, reaches the purpose of administering gas or utilizing gas.In the construction height of design boring, if having the aquifer or water is arranged, when the boring water outlet, be mingled with spoil in the water because of the crack reason often causes boring, cause the gas pumping pipeline to be stopped up by water, cash easily, cause pipeline not smooth, influence the extraction effect.
In order to overcome this problem, CN201486589U (CN200920187033.6) discloses the effective automatic tailrace of a kind of coal mine gas extraction.This device comprises the container that discharges water, and the said container top that discharges water is provided with water inlet, and bottom one side is provided with delivery port, is provided with liquid level sensor in it; Said water inlet is provided with T type three way type pneumatic operated valve, and T type three way type pneumatic operated valve air inlet port and return-air mouth are being communicated with respectively to have realizes two ports of electromagnetic valve of control function automatically, and the 3rd port of said electromagnetic valve is being communicated with pressure ventilation pipe; The passive output contact of said liquid level sensor is connected with intrinsic safety D.C. regulated power supply line through lead with said electromagnetic valve.Though having realized need not the special messenger, keeps an eye in this device; Just can observe tailrace intuitively on ground during use is in the state of discharging water or is in the into purpose of water state; But also have defective: owing to adopt negative pressure to discharge water automatically, the effect that discharges water is very undesirable, the one, and waterdrainage amount is little; The 2nd, spoil can not separate with water, when discharging water, is stopped up by the broken spoil in the boring easily, and maintenance capacity is bigger; The 3rd, the facility that discharges water is complicated, the on-the-spot extremely inconvenience of using.
Summary of the invention
In order to overcome the defective that above-mentioned technology exists, the present invention provides a kind of waterdrainage amount water cash discharger that big, simple in structure, not susceptible to plugging gas pumping is used.
The term explanation
The crossheading drill site: be in the fissure zone of coal-face top board for guarantee mash gas pumping drilling as far as possible, by one section entry of back production crossheading driving, this entry just is the crossheading drill site.Be specifically designed to the construction mash gas pumping drilling, gas pumping pipeline and gas monitoring system are installed.
Back production crossheading: at stope, be used for the usefulness of ventilation, pedestrian, transportation and haul, and be communicated with the tunnel of emergency exit, stope two ends.
Technical scheme of the present invention is following:
The water cash discharger that a kind of gas pumping is used, it comprises the tailrace that is used to separate the eliminator of gas, water, cash and places the eliminator bottom, eliminator and tailrace are tank container; Wherein:
Described eliminator top one side is provided with 1-4 the mouth of pipe that is connected with boring, connects through the boring in this mouth of pipe and the crossheading drill site; The eliminator top is provided with gas extract opening and return-air mouth; Eliminator bottom one side is provided with the dewatering outlet; The eliminator bottom is provided with slag-drip opening; Separator wall is provided with the liquid level observation tube outward;
Described tailrace top is provided with water inlet that is connected with the eliminator dewatering outlet and the valve of giving vent to anger that is connected with eliminator return-air mouth, and the tailrace top also is provided with air intake valve, the bottom is provided with Draw off valve.
Preferred according to the present invention, eliminator top one side is provided with 4 borings and connects the mouth of pipe, and each mouth of pipe has by-pass valve control.
Preferred according to the present invention, the liquid level observation tube on the said eliminator is that two of welding connect transparent tube between the upper and lower apart from the isometric parallel copper pipe of 0.2-0.4 rice between two copper pipes on chamber wall, observes as liquid level.
Preferred according to the present invention, said moisture trap container bottom is provided with detachable chassis, as slag-drip opening.
Preferred according to the present invention, tailrace is that draw ratio is the steel pipe of closed at both ends of 4: 1 horizontal layout.
Preferred according to the present invention, said tailrace volume is greater than separator volume.One step is preferred, and the 2-4 that said tailrace volume is a separator volume doubly.
The present invention takes all factors into consideration the characteristics of extraction high negative pressure and linker; Eliminator and tailrace are placed in the back production crossheading; The dewatering outlet of eliminator is connected with the tailrace water inlet, the water in the boring is emitted by tailrace, through the slag-drip opening of eliminator the spoil slag is discharged again.
The present invention has water increase extraction resistance for obstructions extraction pipeline such as anti-sealing, rock slag or because of pipeline; Reduce the extraction effect, implement gas-water separation and deslagging in drill hole in advance, then water is bled off water through tailrace; Water is effective, uses proving effect very good through actual production.Simultaneously with vapour, separate, discharge water, the deslagging integrated design, make structure simpler, small investment.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Among the figure: 1-gas extract opening, the 2-interface of holing, 3-dewatering outlet, 4-gas, water, cash eliminator, 5-slag-drip opening, 6-return-air mouth, 7-liquid level observation tube, 8-tailrace, 9-water inlet, the 10-valve of giving vent to anger, 11-air intake valve, 12-Draw off valve.
The specific embodiment
Below in conjunction with embodiment the present invention is further specified.
As shown in Figure 1, the present invention includes gas, water, cash eliminator 4 and tailrace 8; Eliminator 4 is tank container with tailrace 8, wherein:
The bottom of described eliminator 4 is higher than the top of tailrace 5, and eliminator 4 tops one side is provided with 1-4 boring interface 2, connects through boring interface 2 and the boring in the crossheading drill site; Eliminator 4 tops are provided with gas extract opening 1 and return-air mouth 6; Eliminator 4 bottoms one side is provided with dewatering outlet 3; Eliminator 4 bottoms are provided with slag-drip opening 5; Eliminator 4 walls are provided with liquid level observation tube 7 outward;
Described tailrace 8 tops are provided with water inlet 9 that is connected with eliminator dewatering outlet 3 and the valve 10 of giving vent to anger that is connected with eliminator return-air mouth 6, and tailrace 8 tops also are provided with air intake valve 11, and tailrace 8 bottoms are provided with Draw off valve 12.
During practical implementation, eliminator 4 tank bodies are selected Φ 273mm, high 0.6m for use, the steel hydrostatic column; Liquid level observation tube 7 is selected long 0.05m, Φ 2mm copper pipe for use; Tailrace 8 tank bodies adopt the steel pipe manufacturing of long 1.0m, Φ 250mm; The volume of tailrace is 3 times of separator volume; The adjutage that is communicated with eliminator 4 and tailrace 8 is the rubber hose that is provided with steel-wire carcass in the tube wall, and this flexible pipe maximum is born the negative pressure (Jing County, Hebei province hippocampus sebific duct factory product) of 80Kpa.
Method of work of the present invention is:
The first step: install to connect gas, water, cash eliminator 4 and tailrace 8 at crossheading drill site mash gas pumping drilling place, air water cash eliminator 4 and tailrace 8 are connected formation communicating pipe afterwards through return-air mouth 6 with the high-pressure rubber pipe of 10 on the valve of giving vent to anger and the high-pressure rubber pipe of dewatering outlet 3 and 9 of water inlets;
Second step: the Device in Gas that is mingled with water, cash in the extraction borehole is incorporated in the eliminator 4 through boring interface 2; The speed of gas slows down; Device in Gas is taken away in top gas extract opening 1 under negative pressure state, the further precipitate and separate of water and cash; Cash is stayed eliminator 4 bottoms and is emitted from slag-drip opening 5, and water gets into tailrace 8 from the dewatering outlet 3 of eliminator 4;
The 3rd step: when water level reaches 1/3 in the liquid level observation tube 7, close tailrace water inlet 9 valves and give vent to anger valve 10, open air intake valve 11 and Draw off valve 12, discharge water; Discharge water finish after, close air intake valve 11 and Draw off valve 12 again, open tailrace water inlet 9 valves and carry out next circulation with the valve 10 of giving vent to anger.
When discharging water, open air intake valve 11, eliminate the negative pressure state in the container, make water be more prone to flow out.
Present embodiment uses in the 1703 eastern coal-face crossheading drill sites in Dezhou City official Zhao colliery, Shandong Province; Be used for that gas pumping crossheading drilling holes at the drilling yard discharges water, deslagging 3 months; The problem of boring water slug extraction pipeline does not take place, and face gas extraction rate on average reaches 55%.And use the automatic tailrace of traditional gas pumping pipeline negative pressure, and will overhaul 1 time in average per 2 days, influenced the improvement of gas, face gas extraction rate average 40%.Like this, use the full-automatic overflow device of high-order drill site than the automatic tailrace of gas pumping pipeline negative pressure relatively, the extraction rate has improved 15%.
Claims (7)
1. water, the cash discharger that gas pumping is used is characterized in that it comprises the tailrace that is used to separate the eliminator of gas, water, cash and places the eliminator bottom, and eliminator and tailrace are tank container; Wherein:
Described eliminator top one side is provided with 1-4 the mouth of pipe that is connected with boring, connects through the boring in this mouth of pipe and the crossheading drill site; The eliminator top is provided with gas extract opening and return-air mouth; Eliminator bottom one side is provided with the dewatering outlet; The eliminator bottom is provided with slag-drip opening; Separator wall is provided with the liquid level observation tube outward;
Described tailrace top is provided with water inlet that is connected with the eliminator dewatering outlet and the valve of giving vent to anger that is connected with eliminator return-air mouth, and the tailrace top also is provided with air intake valve, the bottom is provided with Draw off valve.
2. water as claimed in claim 1, cash discharger is characterized in that, described eliminator top one side is provided with four borings and connects the mouth of pipe, and each mouth of pipe is provided with by-pass valve control.
3. water as claimed in claim 1, cash discharger is characterized in that, the liquid level observation tube on the said eliminator is that two of welding connect transparent tube between the upper and lower apart from the isometric parallel copper pipe of 0.2-0.4 rice between two copper pipes on chamber wall, observes as liquid level.
4. water as claimed in claim 1, cash discharger is characterized in that, described deslagging implication is arranged on the detachable chassis of separator container bottom.
5. water as claimed in claim 1, cash discharger is characterized in that, described tailrace is that draw ratio is the steel pipe of closed at both ends of 4: 1 horizontal layout.
6. water as claimed in claim 1, cash discharger is characterized in that, the 2-4 that described tailrace volume is a separator volume doubly.
7. method of work like the arbitrary described water of claim 1-6, cash discharger is characterized in that step is following:
The first step: install to connect gas, water, cash eliminator and tailrace at crossheading drill site mash gas pumping drilling place, air water cash eliminator and tailrace are connected afterwards formation communicating pipe with high-pressure rubber pipe and the dewatering outlet of giving vent to anger between valve with high-pressure rubber pipe between water inlet through the return-air mouth;
Second step: the Device in Gas that is mingled with water, cash in the extraction borehole is incorporated in the eliminator through the boring interface; The speed of gas slows down; Device in Gas is taken away in the gas extract opening of top under negative pressure state, the further precipitate and separate of water and cash; Cash is stayed the eliminator bottom and is emitted from slag-drip opening, and water gets into tailrace from the dewatering outlet of eliminator;
The 3rd step: when water level reaches 1/3 in the liquid level observation tube, close the tailrace water inlet valve and give vent to anger valve, open air intake valve and Draw off valve, discharge water; Discharge water finish after, close air intake valve and Draw off valve again, open the tailrace water inlet valve and carry out next circulation with the valve of giving vent to anger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103880067A CN102493834A (en) | 2011-11-29 | 2011-11-29 | Water and waste rock discharging device for extracting gas and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103880067A CN102493834A (en) | 2011-11-29 | 2011-11-29 | Water and waste rock discharging device for extracting gas and working method thereof |
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| CN102493834A true CN102493834A (en) | 2012-06-13 |
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| CN2011103880067A Pending CN102493834A (en) | 2011-11-29 | 2011-11-29 | Water and waste rock discharging device for extracting gas and working method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334789A (en) * | 2013-07-16 | 2013-10-02 | 王博 | Mine hanging scaffold water tank |
| CN105386788A (en) * | 2015-12-29 | 2016-03-09 | 常熟市亨达电子器材厂 | Mining-used intrinsic safety type liquid level switch |
| CN109826664A (en) * | 2019-04-12 | 2019-05-31 | 中国矿业大学(北京) | A kind of coal bed gas extraction and drill ponding automatic-discharging integrated apparatus and method |
| CN112031713A (en) * | 2020-09-28 | 2020-12-04 | 河南理工大学 | Mining downward drilling drainage, deslagging and extraction integrated equipment and gas extraction method |
| CN112196612A (en) * | 2020-11-17 | 2021-01-08 | 山西工程技术学院 | Coal mine inclined large-diameter drill hole sealing and gangue removing method |
| CN112343653A (en) * | 2020-11-05 | 2021-02-09 | 河南工程学院 | Gas extraction water drainage device and use method thereof |
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| CN201513200U (en) * | 2009-10-16 | 2010-06-23 | 李胜祥 | Negative-pressure adjustable low-position water-inflow large-displacement automatic slag discharging and water draining device |
| CN201581917U (en) * | 2009-11-06 | 2010-09-15 | 义马煤业集团股份有限公司千秋煤矿 | Novel water-coal discharger of gas forepumping pipeline |
| CN102102532A (en) * | 2010-12-29 | 2011-06-22 | 三正集团股份有限公司 | Automatic drainage device for mine gas extraction pipe |
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| CN201953399U (en) * | 2011-04-07 | 2011-08-31 | 郝志勇 | Automatic water drainer for mining gas drainage |
| CN202520368U (en) * | 2011-11-29 | 2012-11-07 | 山东新矿赵官能源有限责任公司 | Water and recrement discharger used in gas extraction operation |
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| CN201486589U (en) * | 2009-08-20 | 2010-05-26 | 淮南矿业(集团)有限责任公司 | Automatic water drainage device for coal-mine gas extraction pipe |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334789A (en) * | 2013-07-16 | 2013-10-02 | 王博 | Mine hanging scaffold water tank |
| CN105386788A (en) * | 2015-12-29 | 2016-03-09 | 常熟市亨达电子器材厂 | Mining-used intrinsic safety type liquid level switch |
| CN109826664A (en) * | 2019-04-12 | 2019-05-31 | 中国矿业大学(北京) | A kind of coal bed gas extraction and drill ponding automatic-discharging integrated apparatus and method |
| CN109826664B (en) * | 2019-04-12 | 2024-03-19 | 中国矿业大学(北京) | Integrated device and method for coal bed gas extraction and automatic drainage of accumulated water in drilling holes |
| CN112031713A (en) * | 2020-09-28 | 2020-12-04 | 河南理工大学 | Mining downward drilling drainage, deslagging and extraction integrated equipment and gas extraction method |
| CN112031713B (en) * | 2020-09-28 | 2023-08-15 | 河南理工大学 | Mining downward drilling drainage slag discharge extraction integrated equipment and gas extraction method |
| CN112343653A (en) * | 2020-11-05 | 2021-02-09 | 河南工程学院 | Gas extraction water drainage device and use method thereof |
| CN112196612A (en) * | 2020-11-17 | 2021-01-08 | 山西工程技术学院 | Coal mine inclined large-diameter drill hole sealing and gangue removing method |
| CN112196612B (en) * | 2020-11-17 | 2022-07-29 | 山西工程技术学院 | Coal mine inclined large-diameter drill hole sealing and gangue removing method |
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Application publication date: 20120613 |