CN203097768U - Dust removal device of dry-type drilling hole - Google Patents

Dust removal device of dry-type drilling hole Download PDF

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Publication number
CN203097768U
CN203097768U CN 201320049604 CN201320049604U CN203097768U CN 203097768 U CN203097768 U CN 203097768U CN 201320049604 CN201320049604 CN 201320049604 CN 201320049604 U CN201320049604 U CN 201320049604U CN 203097768 U CN203097768 U CN 203097768U
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CN
China
Prior art keywords
dust
pipe
annular water
water spraying
negative
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320049604
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Chinese (zh)
Inventor
洪克宽
张涵
丁香香
Original Assignee
洪克宽
张涵
丁香香
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Filing date
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Application filed by 洪克宽, 张涵, 丁香香 filed Critical 洪克宽
Priority to CN 201320049604 priority Critical patent/CN203097768U/en
Application granted granted Critical
Publication of CN203097768U publication Critical patent/CN203097768U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A dust removal device of a dry-type drilling hole is mainly composed of a dust hood, an annular air curtain pipe, annular water spraying pipes, an ejector nozzle, a negative-pressure dust suction tube and the like. An annular water spraying pipe II and an annular water spraying pipe I are arranged in the front and the back inside the dust hood, and the annular water spraying pipe II and the annular water spraying pipe I are connected through a steel tube and a tee joint. One end of the annular water spraying pipe I extends to a tube opening of the negative-pressure dust suction tube, and the ejector nozzle is placed on the tube opening. A dust removal net is arranged inside the negative-pressure dust suction tube, a gas draining pipe connector is arranged on the upper side of the tail end of the negative-pressure dust suction tube, and the gas draining pipe connector is connected with a gas draining device through a draining connecting pipe. Dust generated due to drilling is blown into the dust hood, the two annular water spraying pipes gather the dust, and primary dust fall is conducted. Negative pressure generated by water mist spraying of the ejector nozzle and negative pressure inside a gas draining pipe suck airflow containing dust which is processed by water spray inside the dust hood, and when the airflow passes through a water film on the dust removal net, secondary dust fall is conducted. Finally, clean airflow is discharged into a roadway through a draining hose. The dust removal device of the dry-type drilling hole is simple in structure, convenient to operate and good in dust removal effect.

Description

A kind of dry type drill orifice dust arrester
Technical field
The utility model relates to a kind of dust arrester, is particularly useful for construction dry type drill orifice dedusting under the coal mine.
Background technology
In the measure of control gas disaster, construction drill occupies an important position, and gas suction by drilling can prevent the generation of gas accident effectively.Construction drill mainly contains wet boring and two kinds of Slagoff methods of dry drilling at present, in order to improve into porosity, the drilling construction of weak seam adopts dry drilling more, promptly insert the down-hole compressed-air system to hole bottom blowing dirt from the drilling rod end, the cinder and the dust that produce blow out along drilling rod and hole wall gap, the aperture blows out a large amount of dust, and it is healthy to have a strong impact on the worker, the production of restriction mine safety.Adopt at present the dust collection method of dry drilling to mainly contain aperture dust gathering arrester internal spraying, in pressing wind, add an amount of water, deduster dedusting etc., but single aperture dust gathering arrester internal spraying and in pressing wind, add an amount of water dedusting, dust removing effects is bad; And the general complex structure of deduster, volume is big, manipulates inconvenience.
Summary of the invention
The purpose of this utility model is the weak point at existing orifice dust catcher, and a kind of a kind of dry type drill orifice dust arrester of simple in structure, good dedusting effect is provided.
Dust arrester of the present utility model mainly comprises dust gathering arrester, annular air curtain tube, annular water spray pipe, and front and back are provided with annular water spray pipe together in the dust gathering arrester, are connected with threeway by steel pipe.Back annular water spray pipe I one end together extends to the negative pressure sweep-up pipe mouth of pipe, is equipped with jet nozzle endways.Be provided with basket strainer in the negative pressure sweep-up pipe, the order number of basket strainer is more than 50 orders, and the terminal upside of negative pressure sweep-up pipe is provided with a gas drainage under suction pipe connector.
Dust arrester of the present utility model is applicable to the dedusting of construction dry type drill orifice.Be provided with annular water spray pipe before and after in the dust gathering arrester, enter wetted, the capture of dust of dust gathering arrester, discharge from slag notch.Annular air curtain tube is installed behind the dust gathering arrester, stops dust to discharge, be easy to grasp the dedusting situation in the dust gathering arrester.The negative pressure sweep-up pipe mouth of pipe is provided with jet nozzle, terminal upside is provided with gas drainage under suction pipe connector, the jet nozzle water spray produces negative pressure and interacts with the negative pressure that is connected the gas drainage under suction pipe, can strengthen the dust-contained airflow after suction dust gathering arrester internal spraying is handled, dust-contained airflow is through basket strainer, dust granules is caught by the moisture film on the basket strainer, carries out dedusting once more, effectively reduces the dust in the dust-contained airflow.This dust arrester is simple in structure, fitting operation convenient, good dedusting effect, has good practicability.
Description of drawings
Fig. 1 is the structure chart of the utility model dust gathering arrester.
Fig. 2 is the utility model dust pelletizing system connection diagram.
Among the figure: 1, annular air curtain tube, 1-1, semicircle endless tube, 1-2 air curtain nozzle, 1-3 connects flexible pipe, 1-4, air inlet port, 2, annular water spray pipe I, 2-1, hydraulic spray nozzle, 2-2, jet nozzle, 3, dust gathering arrester, 4, water inlet, 5, threeway, 6, hanging ring, 7, annular water spray pipe II, 8, negative pressure sweep-up pipe, 8-1, basket strainer, 8-2, gas drainage under suction pipe connector, 9, junction button, 10, slag notch, 11, hinge, 12, drilling rod, 13, the extraction tube connector, 14, gas drainage under suction device, 15, the drainage flexible pipe.
The specific embodiment
Below in conjunction with accompanying drawing an example of the present utility model is described further:
As shown in drawings, a kind of dry type drill orifice dust arrester mainly is made up of dust gathering arrester 3, annular air curtain tube 1, annular water spray pipe I2, jet nozzle 2-2, annular water spray pipe II7, negative pressure sweep-up pipe 8 etc.Dust gathering arrester 3 is spliced by two hollow semicolumns, and preceding a part of radius is little, and a part of radius in back is big, and an end links to each other by hinge 11, and the other end connects by junction button 9, makes things convenient for dust gathering arrester to dismantle from drilling rod.Dust gathering arrester 3 upper ends are provided with hanging ring 6, and the lower end is provided with slag notch 10.Welding annular air curtain tube 1 in dust gathering arrester 3 rear ends by the air curtain sealing, helps observing the dedusting situation in the dust gathering arrester.The annular air curtain tube is formed by connecting by connecting flexible pipe 1-3 by two irony semicircle endless tube 1-1, above on average arrange six air curtain nozzle 1-2.Be welded with annular water spray pipe II7 and annular water spray pipe I2 before and after in the dust gathering arrester 3, between be connected with threeway 5 by steel pipe.Annular water spray pipe I2 goes up 4 nozzles is installed, wherein 3 hydraulic spray nozzle 2-1 and a jet nozzle 2-2, and jet nozzle extends to negative pressure sweep-up pipe 8 mouths of pipe; Be equipped with 3 hydraulic spray nozzles on the annular water spray pipe II7.Waterfog head on the annular water spray pipe II7 is to the spray of dust gathering arrester rear, and the waterfog head on the annular water spray pipe I2 sprays to dust gathering arrester the place ahead; Produce the dirt size according to creeping into, during application, can increase the hydraulic spray nozzle on annular water spray pipe II7 and the annular water spray pipe I2 in right amount.Be provided with basket strainer 8-1 in the negative pressure sweep-up pipe 8, the order number of basket strainer is more than 50 orders; The terminal upside of negative pressure sweep-up pipe is provided with a gas drainage under suction pipe connector 8-2, the terminal drainage flexible pipe 15 that connects of negative pressure sweep-up pipe.
The course of work: at first dust gathering arrester 3 is entangled drilling rod 12, be fixed on drilling orifice, gas drainage under suction pipe connector 8-2 is linked to each other with gas drainage under suction device 14 by extraction tube connector 13.The down-hole high pressure airduct is connected with air inlet port 1-4, high-pressure water pipe is linked to each other with water inlet 4.Open the valve of airduct and water pipe, whether checking leaks gas in the pipeline leaks.After checking normally, begin to drill, the dust in the boring is blown to dust gathering arrester 3, and twice annular water spray pipe atomized water spray captures dust; Jet nozzle 2-2 water spray produces negative pressure, the ability of the dust-contained airflow in the negative pressure swabbing action intensified negative pressure sweep-up pipe 8 suction dust gathering arresters 3 of the pipe of gas drainage under suction simultaneously 13.Behind the jet nozzle 2-2 water spray, form moisture film on basket strainer 8-1, through basket strainer, dust is by film entrapment under the negative pressure suction for the dust-contained airflow after water spray is handled.Comparatively clean air-flow drains in the tunnel through the drainage flexible pipe.This dust arrester is simple in structure, easy to operate, and good dedusting effect has been controlled dust pollution effectively.

Claims (2)

1. dry type drill orifice dust arrester, mainly comprise dust gathering arrester (3), annular air curtain tube (1), it is characterized in that: be provided with annular water spray pipe II (7) and annular water spray pipe I (2) before and after in the dust gathering arrester (3), be connected with threeway (5) by steel pipe, annular water spray pipe I (2) one ends extend to the negative pressure sweep-up pipe mouth of pipe, be equipped with jet nozzle (2-2) endways, be provided with basket strainer (8-1) in the negative pressure sweep-up pipe (8), the terminal upside of negative pressure sweep-up pipe is provided with a gas drainage under suction pipe connector (8-2).
2. a kind of dry type drill orifice dust arrester according to claim 1, it is characterized in that: the order number of described basket strainer is more than 50.
CN 201320049604 2013-01-07 2013-01-07 Dust removal device of dry-type drilling hole Expired - Fee Related CN203097768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320049604 CN203097768U (en) 2013-01-07 2013-01-07 Dust removal device of dry-type drilling hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320049604 CN203097768U (en) 2013-01-07 2013-01-07 Dust removal device of dry-type drilling hole

Publications (1)

Publication Number Publication Date
CN203097768U true CN203097768U (en) 2013-07-31

Family

ID=48849177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320049604 Expired - Fee Related CN203097768U (en) 2013-01-07 2013-01-07 Dust removal device of dry-type drilling hole

Country Status (1)

Country Link
CN (1) CN203097768U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499966A (en) * 2014-12-22 2015-04-08 四川广旺能源发展(集团)有限责任公司唐家河煤矿 Wet type dust reduction machine for mining construction drilling
CN106437572A (en) * 2015-10-23 2017-02-22 鄂托克前旗长城六号矿业有限公司 Dry drilling opening dust extractor
CN108843261A (en) * 2018-07-13 2018-11-20 刘冲 A kind of coal mine pressure wind is drilled dust-arrest device
CN111608574A (en) * 2020-04-27 2020-09-01 黄云龙 Lifting type drilling device for road surface of highway engineering

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499966A (en) * 2014-12-22 2015-04-08 四川广旺能源发展(集团)有限责任公司唐家河煤矿 Wet type dust reduction machine for mining construction drilling
CN106437572A (en) * 2015-10-23 2017-02-22 鄂托克前旗长城六号矿业有限公司 Dry drilling opening dust extractor
CN108843261A (en) * 2018-07-13 2018-11-20 刘冲 A kind of coal mine pressure wind is drilled dust-arrest device
CN111608574A (en) * 2020-04-27 2020-09-01 黄云龙 Lifting type drilling device for road surface of highway engineering

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20140107