CN211343006U - Dust collecting device for coal mine gas drainage - Google Patents

Dust collecting device for coal mine gas drainage Download PDF

Info

Publication number
CN211343006U
CN211343006U CN201922411103.8U CN201922411103U CN211343006U CN 211343006 U CN211343006 U CN 211343006U CN 201922411103 U CN201922411103 U CN 201922411103U CN 211343006 U CN211343006 U CN 211343006U
Authority
CN
China
Prior art keywords
dust
cylinder
dust collecting
cone
thick bamboo
Prior art date
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.)
Active
Application number
CN201922411103.8U
Other languages
Chinese (zh)
Inventor
杨延昭
刘付领
赵文亮
杜帅伟
朱伟员
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Longteng New Drill Manufacturing Co ltd
Original Assignee
Henan Longteng New Drill Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Longteng New Drill Manufacturing Co ltd filed Critical Henan Longteng New Drill Manufacturing Co ltd
Priority to CN201922411103.8U priority Critical patent/CN211343006U/en
Application granted granted Critical
Publication of CN211343006U publication Critical patent/CN211343006U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A dust collecting device for gas drainage of a coal mine comprises a dust collecting cylinder, wherein one end of the dust collecting cylinder is provided with a dust inlet, the other end of the dust collecting cylinder is provided with a cone cylinder, a dust suction hose is arranged on the dust inlet, the large-diameter end of the cone cylinder is connected with the end part of the dust collecting cylinder in a sealing way, the small-diameter end of the cone cylinder is provided with a dust exhaust pipe, the tail end of the dust exhaust pipe is provided with a sealing dust exhaust box, the top of the side wall of the sealing dust exhaust box is provided with a gas exhaust port, the bottom of the side wall of the sealing dust exhaust box is provided with a dust exhaust port, the inner cavities of the dust collecting cylinder and the cone cylinder are provided with, the other end is open and is provided with a water vapor spray nozzle, the inner cavity of the double-cone inner cylinder is horizontally provided with a water vapor spray pipe, one end of the water vapor spray pipe is connected with the outlet of the water vapor spray nozzle, and the other end of the water vapor spray pipe is vertically bent and then sequentially penetrates through the side wall of the double-cone inner cylinder and the side wall of the dust collecting cylinder to form a three-way. The utility model discloses effectively eliminate the dust in the gas, simple structure collects and discharges effectually.

Description

Dust collecting device for coal mine gas drainage
Technical Field
The utility model relates to a coal mine equipment technical field specifically is a dust collection device is used in drainage of colliery gas.
Background
The gas disaster seriously restricts the safe and efficient production of the mine, and the gas explosion can also cause a great amount of casualties and property loss. However, the gas is also a clean resource, in order to effectively prevent and control gas disasters and realize efficient utilization of the gas, a series of gas prevention and control standards and technical specifications such as 'regulations for preventing and controlling coal and gas outburst', 'provisional stipulation for reaching standards for gas extraction', and 'specification for gas extraction and drainage of coal mines AQ 1027' are formulated, and a coal mine gas control working system with reliable ventilation, standard extraction, effective monitoring and in-place management is established. However, the extraction process is limited by the underground conditions, water and dust can be extracted from the drill hole at the same time, the extracted water and dust can increase the extraction resistance, and meanwhile, the embedded detection instrument in the extraction pipeline is affected. Detection instruments such as pitot tubes or orifice plate flow meters, gas temperature and concentration sensors and the like influence accurate measurement of gas extraction parameters, so drainage dust reduction treatment is required at an extraction drill hole opening. Aiming at the problem that gas in a gas extraction pipeline is mixed with water and dust, a mining negative pressure water drainer is generally used at present. However, the mining negative pressure water drainage device needs manual regular maintenance, the purification effect of gas containing dust is poor, the dust can affect the accurate measurement of gas extraction parameters, and the service life of the gas parameter detection device is affected. Therefore, a device for discharging dust gas is needed to be provided, so that the gas on the gas extraction pipeline is treated, the dust in the gas extraction pipeline is effectively eliminated, and the automatic discharge of the dust and water is realized.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a colliery gas is taken out and is put and use dust collection device is proposed, through the fast-speed aqueous vapor flow production negative pressure suction, collects the dust that produces in taking out and put the gas and discharge, effectively eliminates the dust in the gas, simple structure, it is effectual to collect the emission.
The utility model discloses a solve the technical scheme who takes of above-mentioned problem and do: a dust collecting device for coal mine gas drainage comprises a dust collecting barrel, wherein one end of the dust collecting barrel is provided with a dust inlet, the other end of the dust collecting barrel is provided with a cone barrel, a dust suction hose is arranged on the dust inlet, the large-diameter end of the cone barrel is connected with the end part of the dust collecting barrel in a sealing manner, the small-diameter end of the cone barrel is provided with a dust exhaust pipe, the tail end of the dust exhaust pipe is provided with a sealing dust exhaust box, the top of the side wall of the sealing dust exhaust box is provided with a gas exhaust port for connecting a gas exhaust pipe, the bottom of the side wall of the sealing dust exhaust box is provided with a dust exhaust port for exhausting dust cinder, the inner cavities of the dust collecting barrel and the cone barrel are provided with a double-cone inner barrel, one end of the double-cone inner barrel, which faces the dust inlet, is open and is provided with a water vapor nozzle, the inner cavity of the double, the other end of the dust collector is vertically bent and then sequentially penetrates out of the side wall of the double-cone inner cylinder and the side wall of the dust collecting cylinder, and a three-way valve used for connecting the water inlet pipe and the air inlet pipe is arranged.
Preferably, the large-diameter end of the cone is detachably connected with the end part of the dust collecting cylinder through a flange in a sealing manner, and a sealing gasket is arranged between the cone and the flange of the dust collecting cylinder in a cushioning manner.
Preferably, the inlet end of the dust suction hose is connected with a dust hood for covering the drill hole.
Preferably, the double-cone inner cylinder is a cylinder formed by hermetically connecting two cone cylinders through large-diameter ends, and the circumference of the double-cone inner cylinder is suspended and erected in the centers of the dust collecting cylinder and the cone cylinder through a plurality of fixing columns arranged on the inner wall of the dust collecting cylinder.
Preferably, the conical cylinder on one side of the double-cone inner cylinder adjacent to the dust inlet is positioned in the center of the inner cavity of the dust collecting cylinder, and the conical cylinder on one side of the double-cone inner cylinder adjacent to the dust exhaust pipe is positioned in the center of the inner cavity of the conical cylinder.
Preferably, the taper of the tapered cylinder on the side of the double-tapered inner cylinder adjacent to the dust exhaust pipe is greater than the taper of the tapered cylinder.
Preferably, the water vapor spray head is arranged at the position of the port of the small diameter end of the adjacent conical barrel.
Preferably, the sealed dust exhaust box comprises a first conical barrel connected with the dust exhaust pipe, a cylinder positioned in the middle and connected with the first conical barrel, and a second conical barrel positioned at the tail end and connected with the cylinder, wherein the tail end of the second conical barrel is sealed, and an arc-shaped flow deflector used for guiding water coal dust to the dust exhaust port is arranged at the conical bottom of the inner cavity of the second conical barrel.
Compared with the prior art, the utility model discloses following beneficial effect has:
a colliery gas is taken out and is put and use dust collection device, adopt the structure of double-deck section of thick bamboo, form the passageway of dust between dust collection section of thick bamboo and the bipyramid inner tube, water and the gaseous high-speed discharge of injection department in the bipyramid inner tube, enter into the dust exhaust pipe, form the negative pressure in dust collection section of thick bamboo and the awl section of thick bamboo, flow through fast-speed aqueous vapor and produce negative pressure suction, under the effect of negative pressure, collect the dust that produces in putting to the gas drainage, effectively eliminate the dust in the gas, moreover, the steam generator is simple in structure, low in manufacturing cost, need not periodic maintenance, can use for a long time, it is effectual to collect the emission.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1. the dust collecting device comprises a dust collecting barrel, 2, a dust inlet, 3, a conical barrel, 4, a dust collection hose, 41, a dust hood, 5, a dust exhaust pipe, 6, a sealed dust exhaust box, 61, a first conical barrel, 62, a cylinder, 63, a second conical barrel, 7, a gas discharge port, 8, a dust discharge port, 9, a double-cone inner barrel, 91, a fixing column, 10, a water-gas spray nozzle, 11, a water-gas spray pipe, 12, a three-way valve, 13 and an arc-shaped flow deflector.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, which are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes.
As shown in the figure, the utility model relates to a dust collecting device for gas drainage of coal mines, which comprises a dust collecting cylinder 1, wherein one end of the dust collecting cylinder 1 is provided with a dust inlet 2, the other end is provided with a cone cylinder 3, the dust inlet 2 is provided with a dust suction hose 4, the large-diameter end of the cone cylinder 3 is hermetically connected with the end part of the dust collecting cylinder 1, the small-diameter end of the cone cylinder 3 is provided with a dust exhaust pipe 5, the tail end of the dust exhaust pipe 5 is provided with a sealed dust exhaust box 6, the top of the side wall of the sealed dust exhaust box 6 is provided with a gas exhaust port 7 for connecting the gas exhaust pipe, the bottom of the side wall of the sealed dust exhaust box 6 is provided with a dust exhaust port 8 for exhausting dust and cinder, the inner cavities of the dust collecting cylinder 1 and the cone cylinder 3 are provided with a double-cone inner cylinder 9, the double-cone inner cylinder 9 is sealed towards one end of, a water vapor spray pipe 11 is horizontally arranged in the inner cavity of the double-cone inner cylinder 9, one end of the water vapor spray pipe 11 is connected with an outlet of the water vapor spray head 10, and a three-way valve 12 for connecting a water inlet pipe and an air inlet pipe is arranged after the other end of the water vapor spray pipe is vertically bent and sequentially penetrates out of the side wall of the double-cone inner cylinder 9 and the side wall of the dust collecting cylinder 1.
The foregoing is a basic embodiment of the invention, and further modifications, optimizations, or limitations may be made on the foregoing.
Furthermore, the large-diameter end of the cone 3 is detachably connected with the end of the dust collecting cylinder 1 through a flange seal, and a sealing gasket is arranged between the cone 3 and the flange of the dust collecting cylinder 1.
Further, a dust hood 41 for covering the drill hole is connected to the inlet end of the dust suction hose 4.
Furthermore, the double-cone inner cylinder 9 is a cylinder formed by two cone cylinders which are hermetically connected through a large-diameter end, and the circumference of the double-cone inner cylinder 9 is suspended and erected in the centers of the inner cavities of the dust collecting cylinder 1 and the cone cylinder 3 through a plurality of fixing columns 91 arranged on the inner wall of the dust collecting cylinder 1.
Furthermore, the conical cylinder on the side of the double-cone inner cylinder 9 adjacent to the dust inlet 2 is positioned in the center of the inner cavity of the dust collecting cylinder 1, and the conical cylinder on the side of the double-cone inner cylinder 9 adjacent to the dust exhaust pipe 5 is positioned in the center of the inner cavity of the conical cylinder 3.
Further, the taper of the conical cylinder on the side of the double-cone inner cylinder 9 adjacent to the dust exhaust pipe 5 is greater than that of the conical cylinder 3.
Further, the water vapor spray head 10 is arranged at the position of the small-diameter end port of the adjacent cone 3.
Further, sealed dust exhaust box 6 includes the first toper section of thick bamboo 61 of being connected with dust exhaust pipe 5, be located the middle part with the drum 62 that first toper section of thick bamboo 61 is connected and be located the tail end with the second toper section of thick bamboo 63 that drum 62 is connected, the tail end of second toper section of thick bamboo 63 is sealed, and second toper section of thick bamboo 63 inner chamber awl bottom department is provided with the arc water conservancy diversion piece 13 that is used for leading water coal dirt to dust discharge port 8.
The working principle of the utility model is as follows:
the three-way valve 12 is simultaneously connected to a water tank and an air tank under a coal mine, high-pressure water and high-pressure gas are introduced into the double-cone inner cylinder 9 and discharged through the water-gas spray head 10, negative pressure is formed in the dust collecting cylinder and the cone cylinder under the action of water-gas high-level fluid, coal dust at the dust removing cover is sucked in through the negative pressure and discharged through the sealed dust removing box 6, the coal dust enters the dust removing pipe 5 and then is mixed with water gas to form water coal slurry or water coal slag, and the water coal slurry or the water coal slag enters the sealed dust removing box 6 and falls into a dust discharging port at the bottom to be discharged; and because the effect of negative pressure, when inhaling the coal dust, gas is also inhaled simultaneously, and the gas discharge port 7 at sealed dust exhaust case 6 top is connected with the gas drainage pipe, and the gas in the barrel enters sealed dust exhaust case 6 and then discharges through gas discharge port 7 at the top.
In this equipment, all can freely dismantle between dust collecting cylinder 1, dust absorption hose 4, a awl section of thick bamboo 3 and the sealed dust exhaust case 6, every structure all has the metal sheet shaping welding to form, low cost, and the assembly and disassembly is convenient, does not need regular manual maintenance in the use, can use for a long time.
A colliery gas is taken out and is put and use dust collection device, adopt the structure of double-deck section of thick bamboo, form the passageway of dust between dust collection section of thick bamboo and the bipyramid inner tube, water and the gaseous high-speed discharge of injection department in the bipyramid inner tube, enter into the dust exhaust pipe, form the negative pressure in dust collection section of thick bamboo and the awl section of thick bamboo, flow through fast-speed aqueous vapor and produce negative pressure suction, under the effect of negative pressure, collect the dust that produces in putting to the gas drainage, effectively eliminate the dust in the gas, moreover, the steam generator is simple in structure, low in manufacturing cost, need not periodic maintenance, can use for a long time, it is effectual to collect the emission.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been described with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make equivalent modifications or changes within the technical scope of the present invention, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the technical scope of the present invention.

Claims (8)

1. The utility model provides a coal mine gas is taken out and is put and use dust collection device which characterized in that: including dust collecting cylinder (1), dust collecting cylinder (1) one end is provided with dust import (2), the other end is provided with a awl section of thick bamboo (3), be provided with dust absorption hose (4) on dust import (2), the big footpath end of awl section of thick bamboo (3) and the tip sealing connection of dust collecting cylinder (1), the path end of awl section of thick bamboo (3) is provided with a dust exhaust pipe (5), the tail end of dust exhaust pipe (5) is provided with sealed dust exhaust case (6), the lateral wall top of sealed dust exhaust case (6) is provided with gas discharge port (7) that are used for connecting the gas discharge pipe, and the lateral wall bottom of sealed dust exhaust case (6) is provided with dust discharge port (8) that are used for discharging dust cinder, a bipyramid inner tube (9) has been erect to the inner chamber of dust collecting cylinder (1) and awl section of thick bamboo (3), bipyramid inner tube (9) are towards the sealed one end of dust import (2), The other end is open and is provided with aqueous vapor shower nozzle (10), and bipyramid inner tube (9) inner chamber level is provided with a aqueous vapor spray tube (11), aqueous vapor spray tube (11) one end and the exit linkage of aqueous vapor shower nozzle (10), and the other end is provided with a three-way valve (12) that is used for connecting inlet tube and intake pipe after buckling after wearing out bipyramid inner tube (9) lateral wall, dust collecting vessel (1) lateral wall in proper order perpendicularly.
2. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the large-diameter end of the cone (3) is connected with the end part of the dust collecting cylinder (1) in a sealing and detachable mode through a flange, and a sealing gasket is arranged between the cone (3) and the flange of the dust collecting cylinder (1).
3. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the inlet end of the dust collection hose (4) is connected with a dust hood (41) which is used for covering the drill hole.
4. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the double-cone inner cylinder (9) is a cylinder formed by two cone cylinders after being hermetically connected through a large-diameter end, and the circumference of the double-cone inner cylinder (9) is suspended and erected in the centers of the inner cavities of the dust collecting cylinder (1) and the cone cylinder (3) through a plurality of fixing columns (91) arranged on the inner wall of the dust collecting cylinder (1).
5. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the conical cylinder on one side of the double-cone inner cylinder (9) adjacent to the dust inlet (2) is positioned in the center of the inner cavity of the dust collecting cylinder (1), and the conical cylinder on one side of the double-cone inner cylinder (9) adjacent to the dust exhaust pipe (5) is positioned in the center of the inner cavity of the conical cylinder (3).
6. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the taper of the conical cylinder at one side of the double-cone inner cylinder (9) adjacent to the dust exhaust pipe (5) is larger than that of the conical cylinder (3).
7. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: the water vapor spray head (10) is arranged at the position of the small-diameter end port of the adjacent conical barrel (3).
8. The coal mine gas drainage dust collecting device as recited in claim 1, wherein: sealed dust exhaust case (6) include the first toper section of thick bamboo (61) of being connected with dust exhaust pipe (5), be located the middle part with drum (62) that first toper section of thick bamboo (61) are connected and be located the second toper section of thick bamboo (63) that the tail end is connected with drum (62), the tail end of second toper section of thick bamboo (63) is sealed, and second toper section of thick bamboo (63) inner chamber awl bottom department is provided with arc water conservancy diversion piece (13) that are used for leading water coal dust to dust discharge port (8).
CN201922411103.8U 2019-12-28 2019-12-28 Dust collecting device for coal mine gas drainage Active CN211343006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922411103.8U CN211343006U (en) 2019-12-28 2019-12-28 Dust collecting device for coal mine gas drainage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922411103.8U CN211343006U (en) 2019-12-28 2019-12-28 Dust collecting device for coal mine gas drainage

Publications (1)

Publication Number Publication Date
CN211343006U true CN211343006U (en) 2020-08-25

Family

ID=72097766

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922411103.8U Active CN211343006U (en) 2019-12-28 2019-12-28 Dust collecting device for coal mine gas drainage

Country Status (1)

Country Link
CN (1) CN211343006U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113047792A (en) * 2021-04-07 2021-06-29 吉林大学 A sealed dust collector in drill way for air bores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113047792A (en) * 2021-04-07 2021-06-29 吉林大学 A sealed dust collector in drill way for air bores

Similar Documents

Publication Publication Date Title
CN211343006U (en) Dust collecting device for coal mine gas drainage
CN108825295B (en) Collecting space area gas check out test set and gas eduction gear thereof
CN211370341U (en) Dust and blowout prevention device for coal mine gas drainage
CN203769686U (en) Orifice dust removing device for coal mine
CN113274832A (en) Engineering drilling and holing rock-soil construction dust remover
CN205003131U (en) Integration hydrogen concentration monitoring devices
CN110965955A (en) Dust and blowout prevention device for coal mine gas drainage
CN203634996U (en) Spiral ring mist spray tank suction gas absorption device
CN208564472U (en) A kind of coal mine drilling magnetized foam cyclone system
CN207146361U (en) A kind of Boiler Steam blow pipe system noise reduction gland steam exhauster
CN207282162U (en) A kind of water seal arrangement for nuclear power station drain line
CN206020366U (en) A kind of sulfurated hydrogen detection separating tool
CN206543453U (en) Flow filter
CN205226864U (en) Filter type natural gas trap
CN201618472U (en) Gas-liquid separating device of well head of gas well
CN103657303A (en) Spiral ring spray tank suction gas absorption apparatus
CN204879455U (en) Atmospheric pressure drain
CN217129584U (en) Blowout prevention dust removal and slag collection device
CN213299629U (en) A coal gas drainer device for concentrating retrieve waste water
CN211814305U (en) Natural gas conveying device
CN211814065U (en) Septic tank
CN210660203U (en) Drainage device for coal bed gas conveying pipeline
CN206681784U (en) A kind of protection device in coal mine gas extraction borehole aperture
CN209912492U (en) High-efficient high temperature geothermol power well head silencer
CN208081928U (en) Liquid water seal gas water separation tank under basement

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant