CN207315377U - The gas fracturing pipe group that can quickly assemble - Google Patents
The gas fracturing pipe group that can quickly assemble Download PDFInfo
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- CN207315377U CN207315377U CN201721268610.5U CN201721268610U CN207315377U CN 207315377 U CN207315377 U CN 207315377U CN 201721268610 U CN201721268610 U CN 201721268610U CN 207315377 U CN207315377 U CN 207315377U
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- gas fracturing
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Abstract
The utility model provides a kind of gas fracturing pipe group that can quickly assemble.If the gas fracturing pipe group is sequentially to be concatenated by dry gas fracturing pipe and formed；Each gas fracturing Guan Jun includes outer tube, inner tube, ignites conducting wire and electroluminescent igniter head；Outer tube is pressure-resistant plastic tube, is worn on the end cap at outer tube both ends and is connected to metal interface；Inner tube is straight tube paper tube, is built-in with the pyrotechnic compound that high pressure causes combustion, blocking is arranged with inner tube both ends；Ignite conducting wire and run through inner tube, and its both ends is pierced by after blocking and is fixed on metal interface respectively；Electroluminescent igniter head is arranged in inner tube, and is electrically connected with igniting conducting wire；Linked together between two neighboring gas fracturing pipe by clamp nut.The utility model is simple, convenient, fast in assembling；And the pyrotechnic compound in gas fracturing pipe is not combustible and explosive articles under normal pressure, it is not susceptible to explode in operation, substantially increases the security in operating process, and the smog after explosion is safe from harm environment.
Description
Technical field
A kind of mining equipment is the utility model is related to, specifically a kind of gas fracturing pipe that can quickly assemble
Group.
Background technology
At present, in mining technology, for blasting excavation mine during, common means be explosive blasting and
Liquid carbon dioxide explosion, technological means requirement of the explosive blasting mode in operation to operating personnel is very high, due to
The unstability of explosive, easily explodes in high temperature, shock and chance spark, therefore, easily endangers in operation
Danger, even the explosion team of specialty carries out explosion, there is also many insecurity, it is impossible to the peace of operating personnel is effectively ensured
Entirely.Begin to use liquid carbon dioxide explosion recent years, although this technology avoids the danger of explosive, but construction is set
It is standby huge, using highly pressurised liquid carbon dioxide injection, high, complicated, of high cost, also easily generation is required to the material of steel pipe
The danger of bombing.Therefore, it is necessary to a kind of cost is relatively low, the demolition set that is used conveniently and safely replaces explosive blasting and titanium dioxide
Carbon explosion.
Utility model content
The purpose of this utility model is just to provide a kind of gas fracturing pipe group that can quickly assemble, gas fracturing Guan Zuke
Solve the problems, such as that harm that existing explosive blasting brings and liquid carbon dioxide blast working are cumbersome and high to equipment requirement, and group
It is convenient and efficient during dress.
What the purpose of this utility model was realized in：A kind of gas fracturing pipe group that can quickly assemble, the gas cause
If it is sequentially to be concatenated by dry gas fracturing pipe and formed to split pipe group；Each gas fracturing pipe includes：
Outer tube, is straight tube pressure-resistant plastic tube body, its both ends is connected with end cap, the gold for being connected to circular tube shaped is worn on the end cap
Belong to interface, external screw thread is formed with the exposed junction of the metal interface；
Inner tube, is straight tube paper tube, is built-in with the pyrotechnic compound that high pressure causes combustion, and the stifled of closure tube chamber is arranged with inner tube both ends
Plug；
Ignite conducting wire, through said inner tube, and its both ends be pierced by respectively where end the blocking after, be fixed in where end
The metal interface that covers of outer tunnel end on；And
Electroluminescent igniter head, is arranged in said inner tube, and the ignition conducting wire with penetrating inner tube is electrically connected；
Between two neighboring gas fracturing pipe linked together by the clamp nut of bushing type.
The outer tube bore of all gas fracturing pipe of the gas fracturing Guan Zuzhong is mutually communicated；Positioned at gas fracturing pipe group
The metal interface of one end is grounded with silk plug sealing-in and on connecting, and the metal interface positioned at the fracturing pipe group other end passes through connecting tube
It is connected with air compressor, and is electrically connected by conducting wire with electronic starter.
The outer tube is the pvc pipe of tolerable 1.0MPa air pressures, and the blocking at said inner tube both ends is by PVC or PE materials
It is made.
The pyrotechnic compound is that can ignite to cause quick-fried primer under condition of high voltage, and the mass percent of its component proportion is：
Potassium hyperchlorate 30%-70%, ammonium nitrate 10%-50%,
Aluminium powder 2%-10%, ammonium oxalate 10%-30%.
Preferably, the quality proportioning of each component is in the pyrotechnic compound：Potassium hyperchlorate 45%, ammonium nitrate 35%, aluminium powder 5%, grass
Sour ammonium 15%.
The condition of high voltage refers to air pressure and is not more than 0.8MPa.
The gas fracturing pipe group provided by the utility model that can quickly assemble, by by several gas fracturing pipes sequentially
Be connected in series, in application, the gas fracturing pipe group of the concatenation is put into the hole of point to be blasted, head is passed through by air compressor
The metal interface at end injecting compressed air into outer tube, backward ignite in conducting wire be passed through electric current, make what is connected with ignition conducting wire
Electroluminescent igniter head ignites, and since interior tube cavity is under condition of high voltage, electroluminescent igniter head can ignite the pyrotechnic compound in inner tube, promotees
Pyrotechnic compound is occurred redox reaction, moment produces substantial amounts of high temperature and high pressure gas, and explosion occurs for gas fracturing pipe, inner tube and
While outer tube is burst, the gases at high pressure in outer tube bore are also together ejected, therefore form powerful gas burst power, should
Powerful gas burst power can push the materials such as ore open, realize the bursting work to ore etc..
It is attached, therefore is assembled by the clamp nut of bushing type between the two neighboring gas fracturing pipe of the utility model
Get up simple, convenient, quick.Outer tube is high voltage bearing plastic tube, and inner tube is paper tube, and the pyrotechnic compound in inner tube is only in high pressure
Under the conditions of can be ignited, there is no the presence of combustible and explosive articles under normal pressure, therefore in transport, storage and prepare explosion and waited
Cheng Zhong, occurs unexpected possibility and substantially reduces, the safety of related personnel has been effectively ensured.In addition, compared to traditional explosion side
Formula, due to the characteristic of air high temperature fracturing, carries out mine when explosion, explosion sound is relatively using the gas fracturing pipe group
It is small, no slungshot phenomenon, no airborne dust, no Sasser and shock wave, and pernicious gas will not be produced, to the environment near blow-up point
Influence less, suitable for being promoted and applied in association area.
Brief description of the drawings
Fig. 1 is the structure diagram of single gas fracturing pipe in the utility model.
Fig. 2 is the attachment structure schematic diagram between two gas fracturing pipes.
In figure：1st, outer tube, 2, inner tube, the 3, first end cap, the 4, second end cap, 5, block, 6, ignite conducting wire, 7, electroluminescent igniting
Head, 8, pyrotechnic compound, 9, gasket seal, 10, metal interface, the 11, first nut, the 12, second nut.
Embodiment
If the gas fracturing pipe group provided by the utility model that can quickly assemble sequentially is concatenated by dry gas fracturing pipe
And formed.The structure of each gas fracturing pipe is as shown in Figure 1, connection structure such as Fig. 2 institutes between two neighboring gas fracturing pipe
Show.With reference to Fig. 1 and Fig. 2, each gas fracturing Guan Jun includes hollow outer tube 1 and inner tube 2, and inner tube 2 is located at the inner cavity of outer tube 1
In.2 length of inner tube is about the 60%-70% of 1 length of outer tube, and 2 outside diameter of inner tube is about the 60%-70% of 1 internal diameter of outer tube.Outer tube 1 is straight
The high pressure resistant plastic tube body of cartridge type, in the head end of outer tube 1（Left side in figure）The first end cap 3 is provided with, in the tail end of outer tube 1（Figure
Middle right side）The second end cap 4 is provided with, the first end cap 3 and the second end cap 4 envelope the initial and end both ends of outer tube 1,3 He of the first end cap
Can be bonded by glue special between second end cap 4 and the initial and end both ends of outer tube 1.Inner tube 2 is the papery tube body of straight barrel type,
The initial and end both ends of inner tube 2 are separately provided for the blocking 5 of closure tube chamber, block 5 and may be provided at the interior of 2 initial and end both ends of inner tube
In chamber, blocking also can be bonded by glue special between 5 and 2 tube wall of inner tube.Outer tube 1 and its first end cap 3 and second at both ends
End cap 4 can be made of PVC material, and outer tube 1 can tolerate the air pressure of 1.0MPa；2 material of inner tube is papery, and 2 both ends of inner tube are blocked up
Plug 5 is made of PVC or PE materials.
The metal interface 10 for being connected to circular tube shaped, metal interface are worn on first end cap 3 and the second end cap 4 at 1 both ends of outer tube
10 parts exposed outside end cap are formed with external screw thread, and certainly, the screw that whole metal interface 10 is arranged to hollow structure is also can
With, one end of metal interface 10 is exposed at outside outer tube 1, and the other end is located in 1 inner cavity of outer tube, the axial line of metal interface 10 with
The axis line location of outer tube 1 is on same straight line.Metal interface 10 is fixed on end cap by the first nut 11, and the first nut 11
Gasket seal 9 is provided between end cap.
In the interior igniting for causing the pyrotechnic compound 8 of combustion equipped with high pressure and being made of electroluminescent igniter head 7 and ignition conducting wire 6 of inner tube 2
Device.The high copper wire conducting wire of conductivity can be used by igniting conducting wire 6.The both ends for igniting conducting wire 6 are each passed through the blocking at 2 both ends of inner tube
5 and metal interface 10 corresponding with 1 end of outer tube connect, since metal interface 10 is conductor, ignite conducting wire 6 connect with metal
It is to be electrically connected between mouth 10.Electroluminescent igniter head 7 is arranged in inner tube 2, and is electrically connected with the ignition conducting wire 6 through inner tube 2.
Pyrotechnic compound 8 needs to be detonated under elevated pressure conditions in the utility model, even if in atmospheric conditions with naked light
Directly contact will not be detonated, therefore the gas fracturing pipe in the utility model is all non-during transport or spelling
Chang Anquan.Specifically, the quality proportioning of each component is in pyrotechnic compound 8：Potassium hyperchlorate 30%-70%, ammonium nitrate 10%-50%, aluminium powder
2%-10%, ammonium oxalate 10%-30%；Preferably, the quality proportioning of each component is in pyrotechnic compound 8：Potassium hyperchlorate 45%, ammonium nitrate
35%, aluminium powder 5%, ammonium oxalate 15%.The preparation method of pyrotechnic compound 8 is：Each component is mixed by suitable quality proportioning, is then thrown
Enter in kneader stir 1-2 it is small when, mixing.Preparation method is simple and quick, easy to implement.
As shown in Fig. 2, two neighboring gas fracturing pipe is by the second nut 12 in the utility model（It is with internal thread
The pipe fitting of structure）It is attached, specific connection method can be as follows：One end of the second nut 12 is socketed in first previous
On the metal interface 10 of gas fracturing pipe tail end, the metal interface 10 of the latter gas fracturing pipe head end is then set to stretch into the second spiral shell
The other end of mother 12, by the metal interface 10 of precession the latter gas fracturing pipe head end, makes two metal interfaces 10 second
Docking is realized in nut 12, it is achieved thereby that closely being connected two neighboring gas fracturing pipe by the second nut 12 of sleeve type structure
It is connected together.Generally can be by adjusting making equal length of two 10 precessions of metal interface in the second nut 12.This connection
Mode operates extremely simple, therefore to form whole gas fracturing pipe group be also that comparison is quick by concatenation.
During two neighboring gas fracturing pipe connection, since two metal interfaces are mutually butted together, a side
Face makes the inner cavity of two neighboring outer tube be in connected state, so that the inner cavity of all outer tubes of gas fracturing Guan Zuzhong is mutually
Perforation；On the other hand, the ignition conducting wire in two neighboring gas fracturing pipe is made to realize electrical connection by two metal interfaces, into
And the ignition conducting wire in all gas fracturing pipe is caused to realize series connection.
Several gas fracturing pipes are sequentially concatenated to form gas fracturing Guan Zuhou, make the metal of gas fracturing pipe group tail end
Interface is used with silk plug nut seal and connects upper ground wire, and gas fracturing pipe group of the concatenation after good is put into the hole of point to be blasted
Interior, the metal interface of gas fracturing pipe group tail end is located at the bottom in hole.Lead to the metal interface of gas fracturing pipe group head end
Cross connecting tube with air compressor to be connected, and be electrically connected by conducting wire with electronic starter.Air compressor is opened, passes through gas
The inner cavity of body fracturing pipe group head end metal interface to gas fracturing pipe group middle external tube is passed through compressed air, controls gas fracturing pipe group
In air pressure be no more than 0.8MPa, close air compressor afterwards, stop gas injection, and the connecting tube of gas fracturing pipe group will be connected
Shut, block.Since the inner cavity of all outer tubes of gas fracturing Guan Zuzhong communicates, can be made by air compressor all outer
The inner cavity of pipe is all passed into compressed air.Air pressure in inner tube is identical with the air pressure in outer tube, no more than 0.8MPa.
Withdraw air compressor and clear out a gathering place, after all personnel and field device evacuate to safety zone, by long-range
Remote control electronic starter powers on, and triggering electronic starter switch, makes to be passed through electric current in ignition conducting wire, and then make each gas
Body fracturing Guan Zhongyu ignites electroluminescent igniter head that conducting wire connects and ignites, since interior tube cavity is under condition of high voltage, it is electroluminescent
Igniter head can ignite the pyrotechnic compound in inner tube, promote pyrotechnic compound that redox reaction occurs, it is high that moment produces substantial amounts of high temperature
Calm the anger body, explosion occurs for gas fracturing pipe（Inner and outer tubes are burst）, temperature that pyrotechnic compound produces after being ignited in 30ms
Not less than 500 DEG C, explosion velocity is not less than 4000m/s, and quick-fried appearance is not less than 650L/kg, and caused powerful gas push power can push away
Open a mine stone etc., complete bursting work.
Claims (4)
1. a kind of gas fracturing pipe group that can quickly assemble, it is characterized in that, if the gas fracturing pipe group is by dry gas fracturing
Pipe is sequentially concatenated and formed；Each gas fracturing pipe includes：
Outer tube, is straight tube pressure-resistant plastic tube body, its both ends is connected with end cap, is worn on the end cap and is connected to the metal of circular tube shaped and connects
Mouthful, it is formed with external screw thread on the exposed junction of the metal interface；
Inner tube, is straight tube paper tube, is built-in with the pyrotechnic compound that high pressure causes combustion, the blocking of closure tube chamber is arranged with inner tube both ends；
Ignite conducting wire, through said inner tube, and its both ends be pierced by respectively where end the blocking after, end is outer where being fixed in
On the metal interface in pipe end-cap；And
Electroluminescent igniter head, is arranged in said inner tube, and the ignition conducting wire with penetrating inner tube is electrically connected；
Between two neighboring gas fracturing pipe linked together by the clamp nut of bushing type.
2. the gas fracturing pipe group according to claim 1 that can quickly assemble, it is characterized in that, the gas fracturing Guan Zuzhong
The outer tube bore of all gas fracturing pipe be mutually communicated；Positioned at gas fracturing pipe group one end metal interface with silk plug sealing-in simultaneously
It is grounded in connection, the metal interface positioned at the fracturing pipe group other end is connected by connecting tube with air compressor, and is passed through
Conducting wire is electrically connected with electronic starter.
3. the gas fracturing pipe group according to claim 1 that can quickly assemble, it is characterized in that, the outer tube is tolerable
The pvc pipe of 1.0MPa air pressures, the blocking at said inner tube both ends are made of PVC or PE materials.
4. the gas fracturing pipe group according to claim 1 that can quickly assemble, it is characterized in that, the pyrotechnic compound is high-pressure section
It can ignite under part and cause quick-fried primer, the condition of high voltage refers to air pressure and is not more than 0.8MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721268610.5U CN207315377U (en) | 2017-09-29 | 2017-09-29 | The gas fracturing pipe group that can quickly assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721268610.5U CN207315377U (en) | 2017-09-29 | 2017-09-29 | The gas fracturing pipe group that can quickly assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315377U true CN207315377U (en) | 2018-05-04 |
Family
ID=62428213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721268610.5U Active CN207315377U (en) | 2017-09-29 | 2017-09-29 | The gas fracturing pipe group that can quickly assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959301A (en) * | 2019-05-13 | 2019-07-02 | 贵州大学 | A kind of carbon dioxide fracturing device inflating machine |
| CN111829398A (en) * | 2020-08-14 | 2020-10-27 | 葛洲坝易普力(湖南)科技有限公司 | Combinable fracturing pipe, operation method of combinable fracturing pipe and blasting assembly |
-
2017
- 2017-09-29 CN CN201721268610.5U patent/CN207315377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959301A (en) * | 2019-05-13 | 2019-07-02 | 贵州大学 | A kind of carbon dioxide fracturing device inflating machine |
| CN111829398A (en) * | 2020-08-14 | 2020-10-27 | 葛洲坝易普力(湖南)科技有限公司 | Combinable fracturing pipe, operation method of combinable fracturing pipe and blasting assembly |
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