CN201090239Y - High pressure abradant shooting-flow drilling-skiving integration slit anti-projecting equipment - Google Patents

High pressure abradant shooting-flow drilling-skiving integration slit anti-projecting equipment Download PDF

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Publication number
CN201090239Y
CN201090239Y CNU2007200435901U CN200720043590U CN201090239Y CN 201090239 Y CN201090239 Y CN 201090239Y CN U2007200435901 U CNU2007200435901 U CN U2007200435901U CN 200720043590 U CN200720043590 U CN 200720043590U CN 201090239 Y CN201090239 Y CN 201090239Y
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CN
China
Prior art keywords
pressure
seam
abrasive
coal
cutting
Prior art date
Application number
CNU2007200435901U
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Chinese (zh)
Inventor
林柏泉
赵继云
李德玉
吴海进
张连军
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中国矿业大学
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Priority to CNU2007200435901U priority Critical patent/CN201090239Y/en
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Publication of CN201090239Y publication Critical patent/CN201090239Y/en

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Abstract

Disclosed is a jet, drilling and cutting integrated seam-cutting protrusion-prevention apparatus for high-pressure grinding, which comprises a hydraulic pump station and an grinding generator. The hydraulic pump station and the grinding generator are connected; the outlet end of the grinding generator is connected with a pressure-control drilling and cutting device; a regulating valve for seam switching is arranged between the grinding generator and the pressure-control drilling and cutting device. The utility model improves the permeability of the coal seam by the one-time completion of the drilling and seam cutting of low-permeability high-gas coal seams and creates good conditions for the coal-seam internal pressure releasing, gas exhausting and flowing. Due to large range of coal-seam pressure releasing and sufficient overall pressure releasing, the utility model increases the capability of gas exhausting of the coal seam and effectively prevents protrusion; with simple structure, convenient operation and easy implementation, the utility model greatly saves the working time and reduces the work load of the workers, compared with traditional drilling and seam cutting.

Description

High-pressure abradant jet current bores the integrated slot protrusion-dispelling equipment that cuts
Technical field
The utility model relates to high-pressure abradant jet current and bores the integrated slot protrusion-dispelling equipment that cuts, be particularly useful for the release anatonosis in hypotonicity coal seam, colliery, improve gas permeability of coal seam, improve gas drainage efficiency, the gas in the solution high gas layer recovery process is gushed out, the gas outstanding problem.
Background technology
At present, the anti-reflection unloading pressure means in hypotonicity coal seam mainly contains: advance borehole, deep hole loosening blasting and Deep-hole Controlled Blasting, hydraulic slotted liner technique etc.Owing to various reasons,, complex process little as the release scope, whole release are insufficient etc., prior art and measure practical application effect are undesirable, need research and development anti-reflection technology of novel release and equipment, administer the gas requirements of one's work to satisfy colliery scene.
The utility model content
The purpose of this utility model provides a kind of rig that utilizes and directly carries out slot, and coal mass relief high-pressure abradant jet current anti-reflection, that improve high gas low air permeability coal seam gas drainage efficiency bores the integrated slot protrusion-dispelling equipment that cuts in the boring to reach.
High-pressure abradant jet current of the present utility model bores the integrated slot protrusion-dispelling equipment that cuts, it comprises hydraulic power unit, the abrasive material generating means, hydraulic power unit and abrasive material generating means are linked together, be connected with voltage-controlled brill at the port of export of abrasive material generating means and cut device, generating means and voltage-controlled brill cut and are provided with the control valve that slot switches between the device.
Described hydraulic power unit is made of high-pressure pump, overflow valve and one way valve, and overflow valve is located between high-pressure pump and the one way valve; The filter screen that described abrasive material generating means is linked to each other by high-pressure abrasive material jar, pipeline and be located at the stop valve that its pipeline is imported and exported, the high-pressure abrasive material pot bottom is provided with hybrid chamber; Described voltage-controlled brill cuts device and is made of support and the rig that is located on the support, and the drilling rod of rig is provided with a slot nozzle drill bit, is provided with pressure-control valve in the slot nozzle drill bit.
High-pressure abradant jet current of the present utility model bores the integrated slot protrusion-dispelling equipment that cuts, rig is after carrying out the hydraulic slotted liner technique measure, at first increased the coal body exposed area, be equivalent to exploit in the subrange one deck topping as thin as a wafer, reach a layer interior self-emancipation, give the inner release in coal seam, gas release and flow and created good condition, consequently caused the slot fully release of the certain limit of coal body up and down, increased the permeability in coal seam; Secondly, slot that slot forms in coal body or space make slot coal body on every side move to the slot space, thereby have more enlarged slot release, gas-removing scope under the effect of ground pressure.Because cutting, the percussion of hydraulic slotted liner technique, a part of coal body is shot down by water under high pressure and washes away around the boring, form flat slot space, this slot can make on every side, and fierce displacement and expansion take place in coal body, increased the crack in the coal body, improved the Gas Flow state in the coal seam greatly, for drawing-off gas provides advantage, the virgin stress and the crack situation of coal body have been changed, stress tense situation in coal body and the country rock is to a certain degree relaxed, reach a large amount of releases of outstanding potential, make the coal petrography hardening.Like this, both weakened or eliminated outstanding power, changed projecting coal bed physical and mechanical properties again greatly.Therefore the hydraulic slotted liner technique technology both can increase gas permeability and improve the ability that the coal seam draws out methane, and can play again to prevent the useful effect given prominence to.Finish by boring, the disposable of slot, improved the gas permeability in coal seam, give the inner release in coal seam, gas release and flow and created good condition the hypotonicity high gas layer.Release scope big, whole release in coal seam is abundant, improves the ability that the coal seam draws out methane, and plays to prevent the useful effect given prominence to; This device structure is simple, and is easy to operate, operation is simple, compares greatly with traditional boring, slot and has saved the working time, has alleviated workman's workload greatly, has practicality widely.
Description of drawings
Accompanying drawing is that the utility model high-pressure abradant jet current brill cuts integrated slot protrusion-dispelling device structure schematic diagram.
Among the figure: the 1-water tank, the 2-strainer, the 3-high-pressure pump, the 4-overflow valve, the 5-one way valve, the 6-pressure meter, the 7-stop valve, 8-adds feed bin, 9-high-pressure abrasive material jar, 10-hybrid chamber, 11-control valve, 12-rig, 13-support, 14-drilling rod, 15-slot nozzle drill bit.
The specific embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
The utility model is that a collection is drilled, the release of high-pressure abradant jet current slot is the protrusion-dispelling equipment of one, it cuts device by hydraulic power unit, abrasive material generating means and voltage-controlled brill and constitutes, hydraulic power unit and abrasive material generating means pipeline link together, voltage-controlled brill cuts device and the abrasive material generating means links together, and generating means and voltage-controlled brill cut and be provided with the control valve 11 that slot switches between the device.Hydraulic power unit is by water tank 1, strainer 2, and high-pressure pump 3, overflow valve 4 and one way valve 5 constitute, and overflow valve 4 is located between high-pressure pump 3 and the one way valve 5, and the pipeline that hydraulic power unit links to each other with the abrasive material generating means is provided with the pressure meter 6 of controlled pressure.The abrasive material generating means is added feed bin 8 and is located at the stop valve 7 that its pipeline is imported and exported by what high-pressure abrasive material jar 9, pipeline linked to each other, and high-pressure abrasive material jar 9 bottoms are provided with hybrid chamber 10.Voltage-controlled brill cuts device and is made of support 13 and the rig 12 that is located on the support 13, and the drilling rod 14 of rig 12 is provided with a slot nozzle drill bit 15, is provided with pressure-control valve in the slot nozzle drill bit 15, and pressure-control valve is made up of spring and steel ball.The water under high pressure of standing out from high-pressure pump is divided into three the tunnel, and first via water under high pressure arrives the top of abrasive material generating means, forces abrasive material down to move; The second road water under high pressure relies on flowing of water that the abrasive material that flows down in the high-pressure abrasive material jar 9 is carried away through the hybrid chamber 10 of one way valve 5 arrival abrasive material generating means bottoms; The Third Road water under high pressure is called the bypass water route, the water under high pressure that high-pressure pump 3 comes out is directly delivered to the downstream of high-pressure abrasive material jar 9 through the bypass water route, injection goes out 10 li abrasive slurries of hybrid chamber, after the fluid on second and third road mixes, drilling rod 14 through rig 12 enters front end slot nozzle drill bit 15, and the high-pressure mixing fluid that goes out from slot nozzle drill bit 15 jets plays the effect of cutting coal body, thereby increases the gas permeability in hypotonicity coal seam, make coal petrography release anatonosis, improve the extraction rate of gas.
The course of work: clear water penetrates the positive nozzle that high-pressure water jet is delivered to the drill bit position through drilling rod through the pressurization of high pressure pumping plant, finishes jointly with rig and creeps into operation; After creeping into end, rig stops operating, only move back the brill operation, the pressurization of high pressure pumping plant, after hydraulic pressure reaches scheduled pressure value, clear water mixes mutually with the abrasive particle that the high-pressure abrasive material generating means produces, and meanwhile the drill bit voltage operated device is finished jet directly to the switching that is bored into the side direction slot, carries out the slot operation.Thereby it is integrated to realize that brill cuts.

Claims (4)

1. high-pressure abradant jet current bores the integrated slot protrusion-dispelling equipment that cuts, it comprises hydraulic power unit, the abrasive material generating means, it is characterized in that: hydraulic power unit and abrasive material generating means are linked together, be connected with voltage-controlled brill at the port of export of abrasive material generating means and cut device, generating means and voltage-controlled brill cut and are provided with the control valve (11) that slot switches between the device.
2. high-pressure abradant jet current according to claim 1 bores the integrated slot protrusion-dispelling equipment that cuts, it is characterized in that: described hydraulic power unit is made of high-pressure pump (3), overflow valve (4) and one way valve (5), and overflow valve (4) is located between high-pressure pump (3) and the one way valve (5).
3. high-pressure abradant jet current according to claim 1 bores the integrated slot protrusion-dispelling equipment that cuts, it is characterized in that: described abrasive material generating means is added feed bin (8) and is located at the stop valve (7) that its pipeline is imported and exported by what high-pressure abrasive material jar (9), pipeline linked to each other, and high-pressure abrasive material jar (9) bottom is provided with hybrid chamber (10).
4. high-pressure abradant jet current according to claim 1 bores the integrated slot protrusion-dispelling equipment that cuts, it is characterized in that: described voltage-controlled brill cuts device and is made of support (13) and the rig (12) that is located on the support (13), the drilling rod (14) of rig (12) is provided with a slot nozzle drill bit (15), is provided with pressure-control valve in the slot nozzle drill bit (15).
CNU2007200435901U 2007-10-11 2007-10-11 High pressure abradant shooting-flow drilling-skiving integration slit anti-projecting equipment CN201090239Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200435901U CN201090239Y (en) 2007-10-11 2007-10-11 High pressure abradant shooting-flow drilling-skiving integration slit anti-projecting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200435901U CN201090239Y (en) 2007-10-11 2007-10-11 High pressure abradant shooting-flow drilling-skiving integration slit anti-projecting equipment

Publications (1)

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CN201090239Y true CN201090239Y (en) 2008-07-23

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Application Number Title Priority Date Filing Date
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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947756A (en) * 2010-09-10 2011-01-19 山西晋城无烟煤矿业集团有限责任公司 Underground absorption water jet cutting system of coal mine
CN102174892A (en) * 2011-03-10 2011-09-07 贵州铸安矿山科技股份有限公司 Rotary cutting type cross-cut coal uncovering method
CN102352725A (en) * 2011-09-22 2012-02-15 中国矿业大学 Drilling jet type coal seam cutting system
CN102465712A (en) * 2010-11-15 2012-05-23 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
WO2012065295A1 (en) * 2010-11-15 2012-05-24 湖南汉寿中煤科技有限公司 System and method for gas drainage and outburst prevention in coal seam by drill-cut linkage of long drilling hole and high pressure water jet
CN101532391B (en) * 2009-04-23 2012-11-28 河南理工大学 In-hole drilling tool integrating drilling, slotting and punching coal seam and using method thereof
CN102966310A (en) * 2012-12-17 2013-03-13 中国矿业大学 Induced flow device and method for water jet kerf in drilled hole
CN102966309A (en) * 2012-12-03 2013-03-13 中国矿业大学 High-pressure grinding material jet flow drill carriage device
CN103046949A (en) * 2013-01-15 2013-04-17 中国矿业大学 Bias gas-liquid two-phase jet-flow slotting permeability-increasing device and method
CN102022079B (en) * 2009-09-18 2013-06-26 无锡盛达机械制造有限公司 Outburst-prevention drilling machine on mining surface of gassy outburst coal mine and frequency conversion variable liquid-supplying self-walking pump station thereof
CN103306657A (en) * 2013-06-28 2013-09-18 陕西煤业化工技术研究院有限责任公司 Coal-seam slotting pressure-relief anti-reflection and slit groove retaining device and method
CN103510936A (en) * 2013-10-08 2014-01-15 中国矿业大学 Double-ejector type three-phase jet flow slotting system and method
CN104389559A (en) * 2014-09-30 2015-03-04 河南理工大学 Method and device for preventing and controlling gas transfinite in thick-coal-seam mining process
CN104533513A (en) * 2015-01-07 2015-04-22 河南理工大学 High-pressure abrasive material gas jet coal-breaking pressure relief and permeability improvement equipment and method
CN106121611A (en) * 2016-06-29 2016-11-16 河南理工大学 A kind of big height long distance tripping wind conveying grinding material device and carrying method
CN106988680A (en) * 2017-05-27 2017-07-28 湖南科技大学 Ice pellets abradant jet Aided Machine drills and coal seam cutting method
CN108060927A (en) * 2017-12-10 2018-05-22 北京工业大学 Microwave mixes broken rock device with Water Cutting in a kind of tunnelling
CN108691508A (en) * 2018-05-09 2018-10-23 中国矿业大学 A kind of driving method of solid rock weakening strength
CN110107292A (en) * 2019-05-07 2019-08-09 中国矿业大学(北京) High-pressure abradant jet current grooving machine

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101532391B (en) * 2009-04-23 2012-11-28 河南理工大学 In-hole drilling tool integrating drilling, slotting and punching coal seam and using method thereof
CN102022079B (en) * 2009-09-18 2013-06-26 无锡盛达机械制造有限公司 Outburst-prevention drilling machine on mining surface of gassy outburst coal mine and frequency conversion variable liquid-supplying self-walking pump station thereof
CN101947756A (en) * 2010-09-10 2011-01-19 山西晋城无烟煤矿业集团有限责任公司 Underground absorption water jet cutting system of coal mine
CN101947756B (en) * 2010-09-10 2012-06-27 山西晋城无烟煤矿业集团有限责任公司 Underground absorption water jet cutting system of coal mine
CN102465712A (en) * 2010-11-15 2012-05-23 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
CN102465712B (en) * 2010-11-15 2015-01-28 湖南汉寿中煤科技有限公司 Drilling-cutting-linked coal layer gas drainage and outburst prevention system and method based on ultra-long drilling and high-pressure water jetting
WO2012065295A1 (en) * 2010-11-15 2012-05-24 湖南汉寿中煤科技有限公司 System and method for gas drainage and outburst prevention in coal seam by drill-cut linkage of long drilling hole and high pressure water jet
CN102174892A (en) * 2011-03-10 2011-09-07 贵州铸安矿山科技股份有限公司 Rotary cutting type cross-cut coal uncovering method
CN102352725A (en) * 2011-09-22 2012-02-15 中国矿业大学 Drilling jet type coal seam cutting system
CN102352725B (en) * 2011-09-22 2013-07-17 中国矿业大学 Drilling jet type coal seam cutting system
CN102966309A (en) * 2012-12-03 2013-03-13 中国矿业大学 High-pressure grinding material jet flow drill carriage device
CN102966310B (en) * 2012-12-17 2015-08-19 中国矿业大学 Water jet slot induced flow device and method in a kind of boring
CN102966310A (en) * 2012-12-17 2013-03-13 中国矿业大学 Induced flow device and method for water jet kerf in drilled hole
CN103046949B (en) * 2013-01-15 2014-11-19 中国矿业大学 Bias gas-liquid two-phase jet-flow slotting permeability-increasing device and method
CN103046949A (en) * 2013-01-15 2013-04-17 中国矿业大学 Bias gas-liquid two-phase jet-flow slotting permeability-increasing device and method
CN103306657A (en) * 2013-06-28 2013-09-18 陕西煤业化工技术研究院有限责任公司 Coal-seam slotting pressure-relief anti-reflection and slit groove retaining device and method
CN103306657B (en) * 2013-06-28 2016-01-20 陕西煤业化工技术研究院有限责任公司 A kind of coal seam cutting release is anti-reflection and slot holding device and method
CN103510936A (en) * 2013-10-08 2014-01-15 中国矿业大学 Double-ejector type three-phase jet flow slotting system and method
CN104389559A (en) * 2014-09-30 2015-03-04 河南理工大学 Method and device for preventing and controlling gas transfinite in thick-coal-seam mining process
CN104533513A (en) * 2015-01-07 2015-04-22 河南理工大学 High-pressure abrasive material gas jet coal-breaking pressure relief and permeability improvement equipment and method
CN106121611A (en) * 2016-06-29 2016-11-16 河南理工大学 A kind of big height long distance tripping wind conveying grinding material device and carrying method
CN106988680A (en) * 2017-05-27 2017-07-28 湖南科技大学 Ice pellets abradant jet Aided Machine drills and coal seam cutting method
CN108060927A (en) * 2017-12-10 2018-05-22 北京工业大学 Microwave mixes broken rock device with Water Cutting in a kind of tunnelling
CN108060927B (en) * 2017-12-10 2019-09-27 北京工业大学 Microwave mixes broken rock device with Water Cutting in a kind of tunnelling
CN108691508A (en) * 2018-05-09 2018-10-23 中国矿业大学 A kind of driving method of solid rock weakening strength
CN108691508B (en) * 2018-05-09 2019-07-02 中国矿业大学 A kind of driving method of solid rock weakening strength
CN110107292A (en) * 2019-05-07 2019-08-09 中国矿业大学(北京) High-pressure abradant jet current grooving machine

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Granted publication date: 20080723

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