CN102296937A - Wet type hole eddy dust collection and control device and wet type hole eddy dust collection and control method - Google Patents

Wet type hole eddy dust collection and control device and wet type hole eddy dust collection and control method Download PDF

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Publication number
CN102296937A
CN102296937A CN2011102223689A CN201110222368A CN102296937A CN 102296937 A CN102296937 A CN 102296937A CN 2011102223689 A CN2011102223689 A CN 2011102223689A CN 201110222368 A CN201110222368 A CN 201110222368A CN 102296937 A CN102296937 A CN 102296937A
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CN
China
Prior art keywords
dust
wet type
dust arrester
control device
bonnet
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Pending
Application number
CN2011102223689A
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Chinese (zh)
Inventor
李庆钊
林柏泉
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Publication date
Application filed by China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN2011102223689A priority Critical patent/CN102296937A/en
Publication of CN102296937A publication Critical patent/CN102296937A/en
Pending legal-status Critical Current

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Abstract

A wet type hole eddy dust collection and control device and a wet type hole eddy dust collection and control method are applicable to the control of dust produced by pneumatic chip removal for various underground drillholes of coal mines. The wet type hole eddy dust collection and control device comprises a front dust collector cover, a rear dust collector cover, a drillhole sleeve, a centralized chip removal tube, an eddy dust removal tube, a Venturi jet flow ejector and a high-pressure water nozzle. In the wet type hole eddy dust collection and control method, a drilling machine first drills a shallow hole on a coal rock wall, the drillhole sleeve is then inserted into the hole, the wet type hole eddy dust collection and control device is hung and fixed by means of a hanging ring, the high-pressure water nozzle is opened, and keeps normal spraying operation in the process of hole drilling, and a drill stem is inserted via a drill stem inlet to carry out hole drilling. The structure of the wet type hole eddy dust collection and control device is compact, the wet type hole eddy dust collection and control device is convenient to operate, and the invention is favorable for the centralized collection and periodical discharge of chips in drillholes, prevents the escape of dusty air flow from the drill stem inlet, realizes the two-time purification of the dusty air flow, and increases the dust-removing efficiency.

Description

A kind of wet type aperture eddy current collection dust control device and method
Technical field
The present invention relates to a kind of wet type aperture eddy current collection dust control device and method, be particularly useful for pressing in the coal mine down-hole drilling work progress capture and the control of wind dust that deslagging produces.
Background technology
Operation process under the coal mine all is accompanied by the generation of a large amount of dust mostly, particularly in the construction of fire damp extraction boring, for the borehole collapse of avoiding hydraulic slag discharging to cause, embrace accidents such as brill, bury drills, still adopt mostly at present and press the wind deslagging, cause a large amount of dust loss in the drill site space thus, make that the dust pollution in bore operation place is extremely serious, directly jeopardize the safety in production in colliery and operating personnel's physical and mental health.So far, how easy, effective enforcement drill dust control, improve the working environment of drill site operating worker, always be the difficult problem that a job site needs to be resolved hurrily.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point in the prior art, a kind of simple in structure, easy to operate, wet type aperture eddy current collection dust control device and method that efficiency of dust collection is high, safe and reliable are provided.
Technical scheme: wet type of the present invention aperture eddy current collection dust control device, comprise the dust arrester protecgulum and the dust arrester bonnet that are connected as one, be provided with toroidal membrane between dust arrester protecgulum and the dust arrester bonnet, the dust arrester protecgulum is provided with the eddy current dust flue, the eddy current dust flue is provided with the venturi jet ejector, and the inside of venturi jet ejector is provided with hydraulic spray; The end face of dust arrester protecgulum is provided with the flame-proof abrasion-resistant collar that can penetrate drilling rod; The front portion of dust arrester bonnet is provided with the borehole casing that passes drilling rod, and the bottom of dust arrester bonnet is provided with concentrated scum pipe, and the top of dust arrester bonnet is provided with the high-pressure water mist nozzle that links to each other with high-pressure water pipe.
Be provided with detachable flange between described dust arrester protecgulum that is connected as one and the dust arrester bonnet; The top of described dust arrester bonnet is provided with the suspension ring that suspend installation in midair.
Eddy current collection control dust collecting method in wet type of the present invention aperture comprises the steps:
A.Shallow boring that is fit to insert borehole casing of construction on the coal petrography body wall;
B.Wet type aperture eddy current collection dust control device is suspended in midair through suspension ring, make borehole casing insert the interior back of shallow boring and fix;
C.Opening hydraulic spray and high-pressure water mist nozzle sprays;
D.The drilling rod inlet of drilling rod through the flame-proof abrasion-resistant collar inserted, pass borehole casing and in the coal petrography body wall, implement boring, in the boring drilling process, the boring mud of pressing the wind discharge is under the effect of toroidal membrane, at first enter the inner chamber of dust arrester bonnet through borehole casing, carry out depositing dust under the effect of high-pressure water mist nozzle one time, oarse-grained boring mud is collected and is discharged by concentrating scum pipe; Dust-contained airflow enters the inner chamber of dust arrester protecgulum through the toroidal membrane centre bore, after being located at the eddy current dust flue on the dust arrester protecgulum, enter the venturi jet ejector, carry out the secondary deep udst separation under the effect of the hydraulic spray of in the venturi jet ejector, installing.
Beneficial effect: owing to adopted technique scheme, dust arrester protecgulum and dust arrester bonnet are connected body, are convenient to dismantle the replacing with the high-pressure water mist nozzle; By concentrating scum pipe to carry out deslagging, help the centralized collection and the discharging regularly of bulky grain boring deslagging when creeping into; The suction function that adopts the venturi jet ejector to be produced forms dust-contained airflow in the inner chamber body of dust arrester protecgulum and dust arrester bonnet eddy current flows, and has avoided the slit loss of dust-contained airflow from the drilling rod inlet; At first under the effect of high-pressure water mist nozzle, carry out one time depositing dust by boring deslagging and dust, and then carry out the secondary deep udst separation under the effect of the hydraulic spray of in the venturi jet ejector, installing, twice purification of dust-contained airflow improved efficiency of dust collection.It is simple in structure, be convenient to assemble, the replacing of dismounting and high-pressure water mist nozzle, easy and simple to handle, safe and reliable, effective.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
Among the figure: 1-dust arrester protecgulum, 2-concentrates scum pipe, 3-dust arrester bonnet, the 4-borehole casing, 5-coal petrography body wall, 6-suspension ring, 7-high-pressure water mist nozzle, 8-high-pressure water pipe, 9-eddy current dust flue, the 10-mounting flange, 11-drilling rod inlet, 12-drilling rod, the 13-flame-proof abrasion-resistant collar, 14-venturi jet ejector, 15-hydraulic spray, the detachable flange of 16-, the 17-toroidal membrane.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
Wet type of the present invention aperture eddy current collection dust control device comprises dust arrester protecgulum 1 and dust arrester bonnet 3 two parts, and dust arrester protecgulum 1 is connected by detachable flange 16 with dust arrester bonnet 3, and the centre is provided with the toroidal membrane 17 that it is divided into two zones.Dust arrester protecgulum 1 is provided with eddy current dust flue 9, venturi jet ejector 14 is housed on eddy current dust flue 9, the venturi jet ejector 14 inner hydraulic sprays 15 of installing, on the end face of dust arrester protecgulum 1, be provided with drilling rod inlet 11, on drilling rod inlet 11, install and be fixed with the flame-proof abrasion-resistant collar 13 that can penetrate drilling rod 12 by mounting flange 10; Dust arrester bonnet 3 is provided with the borehole casing 4 that can pass into drilling rod 12, concentrated scum pipe 2, at dust arrester bonnet 3 tops high-pressure water mist nozzle 7 and suspension ring 6 is installed.The top of dust arrester bonnet 3 is provided with the suspension ring 6 that suspend installation in midair, and high-pressure water mist nozzle 7 is installed, and high-pressure water mist nozzle 7 and hydraulic spray 15 supply water by down-hole high pressure water pipe 8.
Wet type of the present invention aperture eddy current collection control dust collecting method: at first construct on coal petrography body wall 5 one with rig is fit to the shallow boring of insertion borehole casing 4, by suspension ring 6 wet type aperture eddy current collection dust control device is suspended in midair, fixing after making borehole casing 4 insert in the shallow boring, open high-pressure water mist nozzle 7 then and hydraulic spray 15 is sprayed, drilling rod 12 is inserted coal petrography body wall 5 through drilling rod inlet 11 implement boring, in the boring drilling process, the boring mud of pressing the wind discharge is under the effect of toroidal membrane 17, at first enter the inner chamber of dust arrester bonnet 3 through borehole casing 4, carry out depositing dust one time in the effect of high-pressure water mist nozzle 7, oarse-grained boring mud is collected and is discharged by concentrated scum pipe 2; Dust-contained airflow enters the inner chamber of dust arrester protecgulum 1 through toroidal membrane 17 centre bores, after being located at the eddy current dust flue 9 on the dust arrester protecgulum 1, enter venturi jet ejector 14, carry out the secondary deep udst separation under the effect of the hydraulic spray of in venturi jet ejector 14, installing 15.

Claims (4)

1. wet type aperture eddy current collection dust control device, it is characterized in that: it comprises dust arrester protecgulum (1) and the dust arrester bonnet (3) that is connected as one, be provided with toroidal membrane (17) between dust arrester protecgulum (1) and the dust arrester bonnet (3), dust arrester protecgulum (1) is provided with eddy current dust flue (9), eddy current dust flue (9) is provided with venturi jet ejector (14), and the inside of venturi jet ejector (14) is provided with hydraulic spray (15); The end face of dust arrester protecgulum (1) is provided with the flame-proof abrasion-resistant collar (13) that can penetrate drilling rod (12); The front portion of dust arrester bonnet (3) is provided with the borehole casing (4) that passes drilling rod (12), the bottom of dust arrester bonnet (3) is provided with concentrated scum pipe (2), and the top of dust arrester bonnet (3) is provided with the high-pressure water mist nozzle (7) that links to each other with high-pressure water pipe (8).
2. according to claim 1Described wet type aperture eddy current collection dust control device is characterized in that: be provided with detachable flange (16) between described dust arrester protecgulum (1) that is connected as one and the dust arrester bonnet (3).
3. according to claim 1Described wet type aperture eddy current collection dust control device is characterized in that: the top of described dust arrester bonnet (3) is provided with the suspension ring (6) that suspend installation in midair.
4. the wet type aperture eddy current collection control dust collecting method as device as described in the above-mentioned claim is characterized in that comprising the steps:
A.Go up shallow boring that is fit to insert borehole casing (4) of construction at coal petrography body wall (5);
B.Wet type aperture eddy current collection dust control device is suspended in midair through suspension ring (6), make borehole casing (4) insert the interior back of shallow boring and fix;
C.Opening hydraulic spray (15) and high-pressure water mist nozzle (7) sprays;
D.The drilling rod inlet (11) of drilling rod (12) through the flame-proof abrasion-resistant collar (13) inserted, pass borehole casing (4) and in coal petrography body wall (5), implement boring, in the boring drilling process, the boring mud of pressing the wind discharge is under the effect of toroidal membrane (17), at first enter the inner chamber of dust arrester bonnet (3) through borehole casing (4), carry out depositing dust under the effect of high-pressure water mist nozzle (7) one time, oarse-grained boring mud is collected and is discharged by concentrating scum pipe (2); Dust-contained airflow enters the inner chamber of dust arrester protecgulum (1) through toroidal membrane (17) centre bore, after being located at the eddy current dust flue (9) on the dust arrester protecgulum (1), enter venturi jet ejector (14), carry out the secondary deep udst separation under the effect of the hydraulic spray of in venturi jet ejector (14), installing (15).
CN2011102223689A 2011-08-04 2011-08-04 Wet type hole eddy dust collection and control device and wet type hole eddy dust collection and control method Pending CN102296937A (en)

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Application Number Priority Date Filing Date Title
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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518404A (en) * 2012-01-06 2012-06-27 淮南同正科技有限公司 Coal mine down-hole drill hole water jet negative-pressure dedusting device
CN102619553A (en) * 2012-04-23 2012-08-01 成都晟鑫机电设备有限公司 Spiral catcher
CN102877804A (en) * 2012-07-02 2013-01-16 中铁西北科学研究院有限公司 Pneumatic drill pore-forming and drilling dedusting equipment
CN102996088A (en) * 2012-12-20 2013-03-27 淮北科奥工程建设有限公司 Collector provided with dynamic and static combination sealing structure
CN103161416A (en) * 2013-04-17 2013-06-19 山东春天钻具有限公司 Guide dust-eliminating device for drill hole
CN103195379A (en) * 2013-03-28 2013-07-10 青岛达邦钻机有限责任公司 Drilling machine wet type powder exhaust device and application thereof
CN103306605A (en) * 2013-07-02 2013-09-18 中煤科工集团西安研究院 Double-pipe fast connecting and dust collecting device for drilling of air casting pipe and applications of double-pipe fast connecting and dust collecting device
CN103567502A (en) * 2013-11-19 2014-02-12 黄冠洲 Dustproof percussion drilling tool
CN104343402A (en) * 2013-07-31 2015-02-11 卡特彼勒全球矿业美国有限责任公司 Dust collection system for machine
CN104708604A (en) * 2013-12-12 2015-06-17 张洲玲 Dustproof drilling machine
CN104775777A (en) * 2015-02-11 2015-07-15 杭州祥龙钻探设备科技股份有限公司 Mining wind and water linked dust removing device
CN105003216A (en) * 2015-08-11 2015-10-28 煤炭科学技术研究院有限公司 Orifice dust remover
CN105275455A (en) * 2014-06-11 2016-01-27 田晓健 Dust collecting sampler for outburst prevention borehole
CN106437820A (en) * 2016-12-21 2017-02-22 重庆南桐矿业有限责任公司 Current-layer drainage and drilling dustproof flame-retardant structure and operation method
CN106639932A (en) * 2017-02-22 2017-05-10 中建八局第四建设有限公司 Anchor rod drilling machine and flying dust falling device thereof
CN108708708A (en) * 2018-05-15 2018-10-26 常州大学 Detach oil-sand equipment of Hydrodynamic Cavitation
CN112727390A (en) * 2020-12-31 2021-04-30 西南石油大学 Rock debris collecting device for mechanical rock breaking test and drilling evaluation method

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GB425736A (en) * 1934-06-14 1935-03-20 William Collier Apparatus for trapping, withdrawing and collecting dust from bore holes in mines and quarries
CN201280902Y (en) * 2008-09-05 2009-07-29 义马煤业(集团)有限责任公司 Duster of drill
CN101823068A (en) * 2009-11-13 2010-09-08 朱亚 Mining drill orifice dust catcher
CN201818319U (en) * 2010-10-20 2011-05-04 江都市引江矿业设备有限公司 Underground gas-compressing deslagging drilling dust remover for coal mine
CN102042026A (en) * 2010-12-31 2011-05-04 江西煤业集团有限责任公司建新煤矿 Dense shallow hole dust catcher for coal mines
CN202181916U (en) * 2011-08-04 2012-04-04 中国矿业大学 Wet type orifice vortex dust collection and control device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB425736A (en) * 1934-06-14 1935-03-20 William Collier Apparatus for trapping, withdrawing and collecting dust from bore holes in mines and quarries
CN201280902Y (en) * 2008-09-05 2009-07-29 义马煤业(集团)有限责任公司 Duster of drill
CN101823068A (en) * 2009-11-13 2010-09-08 朱亚 Mining drill orifice dust catcher
CN201818319U (en) * 2010-10-20 2011-05-04 江都市引江矿业设备有限公司 Underground gas-compressing deslagging drilling dust remover for coal mine
CN102042026A (en) * 2010-12-31 2011-05-04 江西煤业集团有限责任公司建新煤矿 Dense shallow hole dust catcher for coal mines
CN202181916U (en) * 2011-08-04 2012-04-04 中国矿业大学 Wet type orifice vortex dust collection and control device

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518404B (en) * 2012-01-06 2015-05-06 淮南同正科技有限公司 Coal mine down-hole drill hole water jet negative-pressure dedusting device
CN102518404A (en) * 2012-01-06 2012-06-27 淮南同正科技有限公司 Coal mine down-hole drill hole water jet negative-pressure dedusting device
CN102619553A (en) * 2012-04-23 2012-08-01 成都晟鑫机电设备有限公司 Spiral catcher
CN102877804A (en) * 2012-07-02 2013-01-16 中铁西北科学研究院有限公司 Pneumatic drill pore-forming and drilling dedusting equipment
CN102877804B (en) * 2012-07-02 2015-07-15 中铁西北科学研究院有限公司 Pneumatic drill pore-forming and drilling dedusting equipment
CN102996088A (en) * 2012-12-20 2013-03-27 淮北科奥工程建设有限公司 Collector provided with dynamic and static combination sealing structure
CN103195379A (en) * 2013-03-28 2013-07-10 青岛达邦钻机有限责任公司 Drilling machine wet type powder exhaust device and application thereof
CN103195379B (en) * 2013-03-28 2016-05-18 青岛达邦钻机有限责任公司 Rig wet type row powder device and uses thereof
CN103161416A (en) * 2013-04-17 2013-06-19 山东春天钻具有限公司 Guide dust-eliminating device for drill hole
CN103161416B (en) * 2013-04-17 2016-05-11 山东春天钻具有限公司 A kind of drilling guide is to dust suppression device
CN103306605A (en) * 2013-07-02 2013-09-18 中煤科工集团西安研究院 Double-pipe fast connecting and dust collecting device for drilling of air casting pipe and applications of double-pipe fast connecting and dust collecting device
CN103306605B (en) * 2013-07-02 2015-08-12 中煤科工集团西安研究院有限公司 A kind of casing air creeps into and to connect and dust collect plant and application fast with two-tube
CN104343402A (en) * 2013-07-31 2015-02-11 卡特彼勒全球矿业美国有限责任公司 Dust collection system for machine
CN103567502A (en) * 2013-11-19 2014-02-12 黄冠洲 Dustproof percussion drilling tool
CN104708604A (en) * 2013-12-12 2015-06-17 张洲玲 Dustproof drilling machine
CN105275455A (en) * 2014-06-11 2016-01-27 田晓健 Dust collecting sampler for outburst prevention borehole
CN104775777A (en) * 2015-02-11 2015-07-15 杭州祥龙钻探设备科技股份有限公司 Mining wind and water linked dust removing device
CN105003216A (en) * 2015-08-11 2015-10-28 煤炭科学技术研究院有限公司 Orifice dust remover
CN106437820A (en) * 2016-12-21 2017-02-22 重庆南桐矿业有限责任公司 Current-layer drainage and drilling dustproof flame-retardant structure and operation method
CN106639932A (en) * 2017-02-22 2017-05-10 中建八局第四建设有限公司 Anchor rod drilling machine and flying dust falling device thereof
CN108708708A (en) * 2018-05-15 2018-10-26 常州大学 Detach oil-sand equipment of Hydrodynamic Cavitation
CN112727390A (en) * 2020-12-31 2021-04-30 西南石油大学 Rock debris collecting device for mechanical rock breaking test and drilling evaluation method

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Application publication date: 20111228