CN207315434U - Coal bed gas extraction pipeline - Google Patents

Coal bed gas extraction pipeline Download PDF

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Publication number
CN207315434U
CN207315434U CN201721375676.4U CN201721375676U CN207315434U CN 207315434 U CN207315434 U CN 207315434U CN 201721375676 U CN201721375676 U CN 201721375676U CN 207315434 U CN207315434 U CN 207315434U
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CN
China
Prior art keywords
port
connecting tube
threeway
tube
drainage tube
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.)
Ceased
Application number
CN201721375676.4U
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Chinese (zh)
Inventor
王旭东
刘彩霞
王宏亮
王栋栋
孟瑞芳
祖志芳
魏彦琴
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.)
Shanxi Congxin Hydraulic Technology Group Co ltd
Original Assignee
Yangquan Cong Xin Rubber Products Co Ltd
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Priority to CN201721375676.4U priority Critical patent/CN207315434U/en
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Publication of CN207315434U publication Critical patent/CN207315434U/en
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Abstract

A kind of coal bed gas extraction pipeline, including drainage tube and two gas pumping external connection devices are the utility model is related to, deslagging water discharging device arrival end connection extraction unit connecting tube, the port of export are equipped with and lead directly to, this leads directly to and is connected with the first end of the first connecting tube;First connecting tube second end and the second connecting tube second end are connected with diversion pipe both ends respectively;The drainage tube is formed by connecting by more segment pipes by threeway, and two adjacent segment pipes connect the first port and second port of the threeway, the second connecting tube of the 3rd port gas pumping external connection device of the threeway respectively.The utility model connection mode is simple and reliable, both facilitates operation, has with sealing effect.

Description

Coal bed gas extraction pipeline
Technical field
Coal mining equipment is the utility model is related to, is a kind of coal bed gas extraction pipeline specifically.
Background technology
Coal mine gas drainage is exactly to gather region to coal seam and gas to drill, and drilling is connected on dedicated pipeline, with pumping Adopt equipment and the gas in coal seam and goaf is evacuated to ground, be used, or be emitted into total return.Mash gas extraction is not only Be reduce recovery process in gas emission, prevent gas exceeding limit and accumulation, pre- anti-gas explosion and coal and gas prominent thing Therefore important measures.
The utility model patent of Authorization Notice No. CN206309422U discloses a kind of gas pumping external connection device, should One end of apparatus main body is equipped with straight coupling, and the bottom of the straight coupling is equipped with connecting tube, and the bottom of the connecting tube is equipped with Diversion pipe, the bottom of the diversion pipe are equipped with copper ball valve, and the bottom of the copper ball valve is equipped with water-slag separator, the grain slag separation The side of device is equipped with connector, and the top side of the connector is equipped with ball valve, and the top of the ball valve is equipped with drilling, the brill The side in hole is equipped with hole packer, and the opposite side of the drilling is equipped with slip casting section, and the slip casting section is internally provided with hole sealing tube, described The one end in tube sealing hole is equipped with aperture, and the side in the aperture is equipped with coal wall, and the top of the ball valve is equipped with gas tester.It is above-mentioned Fail to disclose how to be connected with extraction iron pipe in utility model patent, diversion pipe is connected using ordinary couplings, connection it is inconvenient and There is Air Leakage Defect.
The content of the invention
The technical problem to be solved by the present invention is to provide a kind of coal bed gas extraction pipeline, has easy to connect, close The characteristics of envelope property is good.
To solve above technical problem, the technical solution adopted in the utility model is:A kind of coal bed gas extraction pipeline, bag Drainage tube and one or more gas pumping external connection devices, the gas pumping external connection device, including deslagging is included to put Hydrophone, the first connecting tube, the second connecting tube and diversion pipe, deslagging water discharging device arrival end connection extraction unit connecting tube, the port of export Equipped with leading directly to, this leads directly to and is connected with the first end of the first connecting tube;First connecting tube second end and the second connecting tube second end point It is not connected with diversion pipe both ends;The drainage tube is formed by connecting by more segment pipes by the first threeway, two adjacent segment pipes point The first port and second port of first threeway are not connected, and the 3rd port of first threeway is connected outside gas pumping Second connecting tube of attachment device.
Further, the 3rd port of first threeway connects the first port of U-shaped threeway, and the of the U-shaped threeway Two-port netwerk and the 3rd port connect the first end of the second connecting tube of two gas pumping external connection devices respectively.
Further, the straight-through first port of the 3rd port connection of first threeway, the straight-through second port Connect the first end of the second connecting tube of a gas pumping external connection device.
Further, including for connecting total drainage tubes of one or more drainage tubes, total drainage tube is by multistage pipe Road is formed by connecting by the second threeway, and two adjacent segment pipes connect the first port and second end of second threeway respectively Mouthful, the 3rd port of second threeway is connected in the elbow of extraction pipe end.
Further, total drainage tube connects fixation, the combination with drainage tube by one or more combination pipe clamp Pipe clamp includes the connecting rod in the two pipe clamp portions in two pipe clamp portions and connection, and two pipe clamp portions are respectively used to fix total drainage tube and extraction Pipe.
Further, 3 second end of the first connecting tube and the second connecting tube second end pass through high pressure with diversion pipe both ends respectively Seal nipple connects, and diversion pipe both ends are fixed with the female of high pressure sealing joint, the first connecting tube second end and the second connecting tube Second end is fixed with the female of high pressure sealing joint.
Further, the drainage tube is equipped with gas on-line measuring device and orifice flowmeter.
Further, total drainage tube is equipped with gas on-line measuring device and orifice flowmeter.
The utility model, which uses U-shaped threeway or leads directly to, can connect one or two gas external connection device, the first connection Pipe and the second connecting tube are connected with diversion pipe both ends by high pressure sealing joint respectively, and above connection mode is simple and reliable, used Connector can use the high pressure sealing connector that is made of male connector and female, both facilitate operation, had with sealing effect.Take out Adopting on pipe has gas on-line measuring device and orifice flowmeter, and gas density and flow are monitored respectively.
Brief description of the drawings
Attached drawing herein is used for providing the further explanation to the utility model, forms the part of the application, this practicality New schematic description and description is used for explaining the utility model, does not form the improper restriction to the utility model.
Fig. 1 is the structure diagram of the utility model embodiment 1.
Fig. 2 is the structure diagram of the utility model embodiment 2.
In figure, 1- drainage tubes, 2- deslagging water discharging devices, the first connecting tubes of 3-, the second connecting tubes of 4-, 5- diversion pipes, 6- extractions Unit connecting tube, 7- are led directly to, 8- threeways, 9-U type threeways, 10- high pressure sealing joints, 11- gas on-line measuring devices, 12- holes Flowmeter, 13- copper ball valves, the total drainage tubes of 14-, the second threeways of 15-, 16- elbows, 17- combination pipe clamps.
Embodiment
In order to make those skilled in the art be better understood from the utility model, below in conjunction with refer to the attached drawing and in conjunction with the embodiments Further clear, complete explanation is made to the utility model.It should be noted that in the case where there is no conflict, in the application Feature in embodiment and embodiment can be mutually combined.
In the description of the utility model, term " first ", " second " etc. are only used for description purpose, and it is not intended that referring to Show or imply relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " second " are defined Deng feature can express or implicitly include one or more this feature.In the description of the utility model, unless It is otherwise noted, " multiple " are meant that two or more.
The coal bed gas extraction pipeline that a kind of typical embodiment of the utility model provides, with reference to figure 1 and Fig. 2,
1. including drainage tube 1 and one or more gas pumping external connection devices, the gas pumping external connection dress Put, including deslagging water discharging device 2, the first connecting tube 3, the second connecting tube 4 and diversion pipe 5, the connection extraction of 2 arrival end of deslagging water discharging device Unit connecting tube 6, the port of export are equipped with straight-through 7, straight-through 7 and are equipped with copper ball valve 13, this lead directly to 7 and first connecting tube 3 first end Connection;First connecting tube, 3 second end and 4 second end of the second connecting tube are connected with 5 both ends of diversion pipe respectively;The drainage tube 1 by More segment pipes are formed by connecting by the first threeway 8, two adjacent segment pipes connect respectively first threeway 8 first port and Second port, the second connecting tube of the 3rd port connection gas pumping external connection device of first threeway 8.
In embodiment of above, by extraction unit from hole pumping and mining gas, the structure and working method of extraction unit are Disclosed in the utility model patent of Authorization Notice No. CN206309422U, details are not described herein again.The gas of extraction is through extraction unit Connecting tube 6 enters deslagging water discharging device separation residue and water, then through straight-through 7, first connecting tube 3, diversion pipe 5, the second connecting tube 4 And first threeway 8 enter drainage tube 1.
In a kind of opposite specific embodiment, with reference to figure 1, the 3rd port of first threeway 8 connects U-shaped threeway 9 first port, the second port of the U-shaped threeway 9 and the 3rd port connect two gas pumping external connection devices respectively The second connecting tube 4 first end.The U-shaped threeway 9 can connect two gas external connection devices, U-shaped threeway 9 and extraction at the same time Pipe 1 is connected by threeway 8, its connection mode is simple and reliable, both facilitates operation, has with sealing effect.
In another opposite specific embodiment, with reference to figure 2, the 3rd port connection straight-through 7 of first threeway 8 First port, straight-through 7 second port connects the first of the second connecting tube 4 of a gas pumping external connection device End.
With reference to figure 1 and Fig. 2, in a preferred embodiment, the utility model includes being used to connect one or more Total drainage tube 14 of drainage tube 1, total drainage tube 14 are formed by connecting by more segment pipes by the second threeway 15, adjacent two sections Pipeline connects the first port and second port of second threeway 15 respectively, and the 3rd port connection of second threeway 15 is set It is placed in the elbow 16 of extraction pipe end.
In a kind of preferred embodiment, total drainage tube 14 and drainage tube 1 combine pipe clamp 17 by one or more Connection is fixed, and the combination pipe clamp 17 includes the connecting rod in the two pipe clamp portions in two pipe clamp portions and connection, and two pipe clamp portions use respectively In the total drainage tube of fixing and drainage tube.
In a kind of preferred embodiment, 3 second end of the first connecting tube and 4 second end of the second connecting tube respectively with diversion pipe 5 both ends are connected by high pressure sealing joint 10, and 5 both ends of diversion pipe are fixed with the female of high pressure sealing joint 10, the first connecting tube 3 Second end and 4 second end of the second connecting tube are fixed with the female of high pressure sealing joint.Connection can be further facilitated, and improves sealing Effect.
In a kind of preferred embodiment, the drainage tube 1 is equipped with gas on-line measuring device 11 and orifice flowmeter 12。
In a kind of preferred embodiment, total drainage tube 14 is equipped with gas on-line measuring device 11 and orifice flow Meter 12.
Above-mentioned gas on-line measuring device can be monitored the gas density in drainage tube, be conducive to provide safety Property.Orifice flowmeter 12, for gathering gas flow data in real time.
It is pointed out that the connector that the utility model is related to, can moulding have:Elbow, curved logical, threeway, Four-way, more logical, ball valve, leads directly to, diversion pipe etc..The material that Shooting Technique can be done has polyvinyl chloride(PVC), polyethylene(PE)Deng Plastics.
In Shooting Technique, major ingredient is polyvinyl chloride(PVC)Or polyethylene(PE), auxiliary material include organotin, ACR, stearic acid Calcium, DOP, OPE wax, monoglyceride and fine particle calcium carbonate.Including following key step:(1)Feeding, feeding order is major ingredient, auxiliary material, 50 DEG C ± 2 DEG C of upper organotins, DOP.(2)Heat is mixed, temperature:115℃±2℃.(3)Cool down discharge, temperature:43℃±2℃.(4)Plasticizing, temperature Spend for 168 DEG C → 167 DEG C → 168 DEG C → 162 DEG C → 155 DEG C ± 2 DEG C.(5)Injection, injection pressure:15MPa dwell pressures: 10MPa .(5)Cooling, is cooled to 20 DEG C ± 2 DEG C of temperature.Required after the demoulding without separation damage, non-trimming.
Cast member and machined piece can be done has:Elbow, curved logical, threeway, four-way is more logical, and ball valve, leads directly to, high densification Sealing joint, thread head.It can cast and the material of process for machining has the metals such as steel, stainless steel, iron, copper.
Cast raw material includes the pig iron, steel scrap composition, petroleum coke carburant, graphite electrode carburant, ferrosilicon, ferromanganese, breeds Agent, random inoculant composition, ferrosilicon, bentonite, coal dust.
Exemplarily, the casting technique of elbow includes step:(1)Melt dispensing and fusing be quenched,(2)Tap a blast furnace, go out furnace temperature Degree:1510±20℃.(3)Moulding mulling, CB values:33-41;Green compression strength:130-200KPa;Granularity:56-67;Gas permeability: 100-150, moisture:3.2-4.0%;Loss on ignition:3.5-5.0%;Clay amount:7-10%.(4)Make husky core, sand core is resin sand core, It is required that non-trimming burr, nothing are collided with.(5)Moulding, mold hardness > 80, sand will penetrate reality.(6)Engineering is poured into a mould, deslagging agent is added, pours Note temperature:First 1410 DEG C of temperature, often bag pours time < 8 minutes to 1360 DEG C of end temperature, pouring molten iron, poring rate:12-16 seconds.(7) Unpack, Shake-out Time >=110 minute.(8)Dead head separates, it is desirable to is damaged without separation.(9)Ball blast.
The technical solution and its technique effect of the requires of the utility model protection are further illustrated with reference to embodiments.
Embodiment 1
With reference to Fig. 1, gas pumping external connection device includes deslagging water discharging device 2, the first connecting tube 3,4 and of the second connecting tube Diversion pipe 5,2 arrival end of deslagging water discharging device connection Φ 51mm extraction units connecting tube 6 simultaneously set Φ 51mm copper ball valves, row in junction 2 port of export of slag tailrace leads directly to 7 equipped with Φ 51mm, this leads directly to 7 and is connected with the first end of the first connecting tube 3;First connecting tube 3 Two ends and 4 second end of the second connecting tube use the high pressure sealing joint being made of male connector and female to connect with 5 both ends of diversion pipe respectively Connect.
Drainage tube 1 uses Φ 226mm gas drainage under suction iron pipes, is formed by connecting by more segment pipes by the first threeway 8, adjacent Two segment pipes connect the first port and second port of first threeway 8 respectively.
Gas pumping external connection device is connected with drainage tube 1 by U-shaped threeway.The 3rd port connection U of first threeway 8 The first port of type threeway 9, the second port of the U-shaped threeway 9 and the 3rd port connect connect outside two gas pumpings respectively The first end of second connecting tube 4 of connection device.
In the embodiment, two gas pumping external connection devices connect upper and lower two rows of gas pumping units, upper row respectively 10 drillings are all provided with lower row.The first connecting tube in gas pumping external connection device uses Φ 51mm connecting tubes, length 1m, First connecting tube uses Φ 51mm connecting tubes, length 0.3m.
Total drainage tube 14 is used to connect one or more drainage tubes 1, using Φ 400mm gas drainage under suction iron pipes.Total drainage tube 14 are formed by connecting by more segment pipes by the second threeway 15, and two adjacent segment pipes connect the first of second threeway 15 respectively Port and second port, the 3rd port of second threeway 15 are connected in the elbow 16 of extraction pipe end.
Total drainage tube 14 and drainage tube 1 are fixed by the one or more combination connection of pipe clamp 17, and the combination pipe clamp 17 wraps Include two pipe clamp portions and connect the connecting rod in two pipe clamp portions, two pipe clamp portions are respectively used to fix total drainage tube and drainage tube.With It is Φ 400mm in the pipe clamp portion specification of the total drainage tube 14 of fixing, the specification for fixing drainage tube 1 is Φ 226mm, every on 4m Combination pipe clamp together.
Gas on-line measuring device 11 and orifice flowmeter 12 are equipped with drainage tube 1 and total drainage tube 14, wherein, extraction One group of gas on-line measuring device 11 and orifice flowmeter 12 is set to be used as evaluation object every 100m on pipe 1.
Embodiment 2
With reference to Fig. 1, gas pumping external connection device includes deslagging water discharging device 2, the first connecting tube 3,4 and of the second connecting tube Diversion pipe 5,2 arrival end of deslagging water discharging device connection Φ 51mm extraction units connecting tube 6 simultaneously set Φ 51mm copper ball valves, row in junction 2 port of export of slag tailrace leads directly to 7 equipped with Φ 51mm, this leads directly to 7 and is connected with the first end of the first connecting tube 3;First connecting tube 3 Two ends and 4 second end of the second connecting tube use the high pressure sealing joint being made of male connector and female to connect with 5 both ends of diversion pipe respectively Connect.
Drainage tube 1 uses Φ 226mm gas drainage under suction iron pipes, is formed by connecting by more segment pipes by the first threeway 8, adjacent Two segment pipes connect the first port and second port of first threeway 8 respectively.
Gas pumping external connection device is connected with drainage tube 1 by one straight-through 7.3rd port of the first threeway 8 connects Straight-through 7 first port is connect, straight-through 7 second port connects the second connecting tube of a gas pumping external connection device 4 first end.
In the embodiment, a gas pumping external connection device connects a gas-removing extraction unit.10 drillings are one Group, can connect multiple gas pumping external connection devices on drainage tube 1.The first connecting tube in gas pumping external connection device Using Φ 51mm connecting tubes, length 1m, the first connecting tube uses Φ 51mm connecting tubes, length 0.3m.
Total drainage tube 14 is used to connect one or more drainage tubes 1, using Φ 400mm gas drainage under suction iron pipes.Total drainage tube 14 are formed by connecting by more segment pipes by the second threeway 15, and two adjacent segment pipes connect the first of second threeway 15 respectively Port and second port, the 3rd port of second threeway 15 are connected in the elbow 16 of extraction pipe end.
Total drainage tube 14 and drainage tube 1 are fixed by the one or more combination connection of pipe clamp 17, and the combination pipe clamp 17 wraps Include two pipe clamp portions and connect the connecting rod in two pipe clamp portions, two pipe clamp portions are respectively used to fix total drainage tube and drainage tube.With It is Φ 400mm in the pipe clamp portion specification of the total drainage tube 14 of fixing, the specification for fixing drainage tube 1 is Φ 226mm, every on 4m Combination pipe clamp together.
Gas on-line measuring device 11 and orifice flowmeter 12 are equipped with drainage tube 1 and total drainage tube 14, wherein, extraction One group of gas on-line measuring device 11 and orifice flowmeter 12 is set to be used as evaluation object every 100m on pipe 1.
The scope of the requires of the utility model protection is not limited to above embodiment, for those skilled in the art Speech, the utility model can have a various deformation and change, it is all made within the design of the utility model and principle any repair Change, improve and equivalent substitution should be all included within the scope of protection of this utility model.

Claims (8)

  1. A kind of 1. coal bed gas extraction pipeline, it is characterised in that:Including drainage tube(1)Connect with outside one or more gas pumpings Connection device, the gas pumping external connection device, including deslagging water discharging device(2), the first connecting tube(3), the second connecting tube(4) And diversion pipe(5), deslagging water discharging device(2)Arrival end connects extraction unit connecting tube(6), the port of export be equipped with it is straight-through(7), this is straight-through (7)With the first connecting tube(3)First end connection;First connecting tube(3)Second end and the second connecting tube(4)Second end respectively with Diversion pipe(5)Both ends connect;The drainage tube(1)Pass through the first threeway by more segment pipes(8)It is formed by connecting, adjacent two sections of pipes Road connects first threeway respectively(8)First port and second port, first threeway(8)The 3rd port connection watt Second connecting tube of this extraction external connection device.
  2. 2. coal bed gas extraction pipeline according to claim 1, it is characterised in that:First threeway(8)The 3rd end Mouth connects U-shaped threeway(9)First port, the U-shaped threeway(9)Second port and the 3rd port connect two gas respectively Second connecting tube of extraction external connection device(4)First end.
  3. 3. coal bed gas extraction pipeline according to claim 1, it is characterised in that:First threeway(8)The 3rd end Mouth connection is straight-through(7)First port, it is described straight-through(7)Second port connect the of gas pumping external connection device Two connecting tubes(4)First end.
  4. 4. according to the coal bed gas extraction pipeline described in claim 1,2 or 3, it is characterised in that:Including for connect one or Multiple drainage tubes(1)Total drainage tube(14), total drainage tube(14)Pass through the second threeway by more segment pipes(15)Connection and Into two adjacent segment pipes connect second threeway respectively(15)First port and second port, second threeway (15)The 3rd port be connected in the elbow of extraction pipe end(16).
  5. 5. coal bed gas extraction pipeline according to claim 4, it is characterised in that:Total drainage tube(14)And drainage tube (1)Pipe clamp is combined by one or more(17)Connection is fixed, the combination pipe clamp(17)Including two pipe clamp portions and connection two The connecting rod in a pipe clamp portion, two pipe clamp portions are respectively used to fix total drainage tube and drainage tube.
  6. 6. coal bed gas extraction pipeline according to claim 1 or 5, it is characterised in that:First connecting tube(3)Second end and Second connecting tube(4)Second end respectively with diversion pipe(5)Both ends pass through high pressure sealing joint(10)Connection, diversion pipe(5)Both ends It is fixed with high pressure sealing joint(10)Female, the first connecting tube(3)Second end and the second connecting tube(4)Second end is fixed with height The female of densification sealing joint.
  7. 7. coal bed gas extraction pipeline according to claim 6, it is characterised in that:The drainage tube(1)It is equipped with gas On-line measuring device(11)And orifice flowmeter(12).
  8. 8. coal bed gas extraction pipeline according to claim 4, it is characterised in that:Total drainage tube(14)Be equipped with watt This on-line measuring device(11)And orifice flowmeter(12).
CN201721375676.4U 2017-10-24 2017-10-24 Coal bed gas extraction pipeline Ceased CN207315434U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721375676.4U CN207315434U (en) 2017-10-24 2017-10-24 Coal bed gas extraction pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721375676.4U CN207315434U (en) 2017-10-24 2017-10-24 Coal bed gas extraction pipeline

Publications (1)

Publication Number Publication Date
CN207315434U true CN207315434U (en) 2018-05-04

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ID=62382271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721375676.4U Ceased CN207315434U (en) 2017-10-24 2017-10-24 Coal bed gas extraction pipeline

Country Status (1)

Country Link
CN (1) CN207315434U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529173A (en) * 2019-08-26 2019-12-03 河南工程学院 A kind of straight plug integration gas drainage device and pumping method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110529173A (en) * 2019-08-26 2019-12-03 河南工程学院 A kind of straight plug integration gas drainage device and pumping method

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GR01 Patent grant
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CP01 Change in the name or title of a patent holder

Address after: 045000 minmine water mill Bay in Yangquan, Shanxi

Patentee after: Shanxi Congxin Hydraulic Technology Group Co.,Ltd.

Address before: 045000 minmine water mill Bay in Yangquan, Shanxi

Patentee before: YANGQUAN CONGXIN RUBBER PRODUCTS Co.,Ltd.

CP01 Change in the name or title of a patent holder
IW01 Full invalidation of patent right

Decision date of declaring invalidation: 20240201

Decision number of declaring invalidation: 566290

Granted publication date: 20180504