CN105221117B - A kind of fracturing drainage from coal seam coal seam device of air and application process - Google Patents
A kind of fracturing drainage from coal seam coal seam device of air and application process Download PDFInfo
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- CN105221117B CN105221117B CN201510765898.6A CN201510765898A CN105221117B CN 105221117 B CN105221117 B CN 105221117B CN 201510765898 A CN201510765898 A CN 201510765898A CN 105221117 B CN105221117 B CN 105221117B
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Abstract
The invention discloses a kind of fracturing drainage from coal seam coal seam device of air and application processes.Fracturing drainage from coal seam coal seam device of air, including fracturing extraction mechanism and control mechanism, fracturing extraction mechanism is provided with fracturing exhaust tube, connection bolt, end safety valve, pumping pipe connector, heating tube, tube wall safety valve, atomizing piece, hole for water spraying, defeated spool, water-supply-pipe, safe clack valve, support arm, and control mechanism is provided with controller, water supply pumping pumping plant, cable, feed pipe, exhaust tube.The present invention provides water, electric current and negative pressure by control mechanism to fracturing extraction mechanism, last fracturing extraction mechanism carries out loosening fracturing using the coal seam that high-pressure steam adopts complex geologic conditions gas permeability of coal seam difference coal bed gas hard-pumped, and realize the extraction in situ of coal bed gas, coal bed gas extraction efficiency is further increased while increasing gas permeability of coal seam, coal bed gas desorption quantity, reach same position fracturing coal seam and extraction coal bed gas, manpower and materials input is reduced, the purpose of coal bed gas extraction efficiency is improved.
Description
Technical field
The present invention relates to mining machinery field more particularly to a kind of fracturing drainage from coal seam coal seam device of air and apply institute
The method for stating device.
Background technology
Coal bed gas is present in the rock stratum of coal seam and coal seam or more, is important fossil energy.China's coal bed gas resource is huge,
However gas storage layer gas permeability is low under natural conditions, desorption quantity is small, gas extraction efficiency is low, and unreasonable coal bed gas is taken out in addition
Adopt and control huge coal mine gas from explosion and the corresponding secondary disaster accident of often resulting in, thus how efficient methane drainage and utilization project coal
Layer gas resource becomes current China's urgent problem.For this problem, each colleges and universities and coal mining enterprise have carried out positive discussion
And research, formulate and apply coal-bed gas takes out in advance, adjacent layer release extraction, low air permeability coal seam reinforcing extraction, high-yield and high-efficiency
Mine Integrated extraction scheduling theory and technology, for the locality extraction problem of coal bed gas, existing advance borehole, hydraulic flushing in hole, coal
The measures technologies such as layer water filling, standing, hydraulic fracturing, hydrodynamic behavior, however above-mentioned technology has some limitations.Base
In the above situation, it is badly in need of a kind of fracturing drainage from coal seam coal seam device of air, to reach same position fracturing coal seam and extraction coal bed gas, reduces
Manpower and materials are put into, and improve the purpose of coal bed gas extraction efficiency.
Invention content
The purpose of the embodiment of the present invention is to propose a kind of fracturing drainage from coal seam coal seam device of air, be given by control mechanism
Fracturing extraction mechanism required water, electric current and negative pressure when working, then fracturing extraction mechanism is by high-pressure steam to geological conditions
The coal seam that complicated seam poor air permeability coal bed gas hard-pumped is adopted carries out loosening fracturing, while realizing the extraction in situ of coal bed gas, is increasing
Coal bed gas extraction efficiency is further increased while adding gas permeability of coal seam, coal bed gas desorption quantity, is reached same position fracturing coal seam and is taken out
Mining coal seam gas reduces manpower and materials input, improves the purpose of coal bed gas extraction efficiency.To achieve the goals above, the present invention adopts
With following technical solution：
A kind of fracturing drainage from coal seam coal seam device of air, including:
Fracturing extraction mechanism, including fracturing exhaust tube, connection bolt, end safety valve, pumping pipe connector, heating tube,
Tube wall safety valve, atomizing piece, hole for water spraying, defeated spool, water-supply-pipe, safe clack valve, support arm pass through between the fracturing exhaust tube
Bolt thread connection is connected, the end safety valve is threadedly connected to fracturing pumping pipe end and inside has safe clack valve, institute
State defeated spool, water-supply-pipe is placed in inside fracturing exhaust tube, the atomizing piece is placed in its end in fracturing exhaust tube inner pipe wall
It is connected with defeated spool, the heating tube is placed in fracturing exhaust tube inner pipe wall, and the hole for water spraying is placed in inside fracturing exhaust tube
Internal on tube wall to be connected with water-supply-pipe, the tube wall safety valve is placed in fracturing pumping tube wall, and the support arm is taken out with fracturing
Tracheae external stability connects, and the pumping pipe connector is connect with fracturing exhaust tube lower thread；
Control mechanism, including controller, water supply pumping pumping plant, cable, feed pipe, exhaust tube, the cable passes through described
Defeated spool is connected with controller and atomizing piece respectively, water supply pumping pumping plant by feed pipe and exhaust tube respectively with water delivery
Pipe, pumping pipe connector are connected.
Preferably, the tube wall safety valve is the disk being made of three fanning strips, and each fanning strip both sides shape is
From periphery to central dip, the connection of fanning strip periphery controls spring.
Preferably, there is safe clack valve, outside to have screw thread for perforation in the middle part of the end safety valve.
Preferably, the safe clack valve is placed in the middle part of the safety valve of end, is made of two disks, and two disk two ends are distinguished
It is connected by hinge and magnetic stripe.
Preferably, perforation in the middle part of the connection bolt, outside have screw thread, size corresponding with fracturing exhaust tube.
Preferably, the support arm is arc-shaped, and upper end point is narrow, and lower end width is flat, on the outside of lower end by hinge with
Fracturing exhaust tube external linkage, lower end inside are connect by spring with fracturing exhaust tube.
The invention also provides a kind of fracturing drainage from coal seam coal seam device of air application processes, using above-mentioned apparatus comprising
Following work step：
A, required fracturing exhaust tube joint number is determined according to drilling depth；
B, sequential assembling is carried out according to each parts spatial position, heating tube, atomizing piece is placed in fracturing exhaust tube
It is interior, it is bolted by connection between each fracturing exhaust tube, fracturing pumping pipe end and end tail block end safety valve, take out respectively
Air pipe connector is connected finally by cable, feed pipe, exhaust tube with controller, water supply pumping pumping plant；
C, connection and the working condition of each component are checked, it is ensured that after it is worked normally, rotated clockwise by corresponding tool
Fracturing extraction mechanism is passed to drilling precalculated position, and then inverting fracturing extraction mechanism makes support arm securely slotting and the wall of a borehole
It is interior, by the fixation of fracturing extraction mechanism, drilling end is sealed using charges；
D, fracturing extraction mechanism electric energy is given by controller, being evacuated pumping plant by water supply gives fracturing extraction mechanism water
Stream, fracturing extraction mechanism starts coal seam fracturing and works, and after the fracturing of coal seam, after the cooling of fracturing extraction mechanism, passes through water supply
The negative pressure that extraction mechanism is given, fracturing extraction mechanism carry out coal bed gas extraction work；
E, after coal bed gas extraction, transposition is dismantled in reverse order, and properly preserve；
Step a-e is repeated when f, moving to next boring work.
The fracturing drainage from coal seam coal seam device of air that the present invention addresses, fracturing extraction mechanism mutually matches closely with control mechanism
It closes, to reach same position fracturing coal seam and extraction coal bed gas, reduces manpower and materials input, improve the purpose of coal bed gas extraction efficiency；
It is liquid particles that water supply, which is evacuated the flow that pumping plant supplies and is atomized by atomizing piece, and liquid particles produce vapor by heating tube,
It is opened to safety valve on rear side of predetermined pressure when fracturing pumping intraductal atmospheric pressure reaches, release high steam carries out impact cause to coal seam
It splits, while the vapor after liquefaction plays the role of weak seam, the coal seam fracturing effect further increased；Wait for that coal seam fracturing is complete
After finishing the cooling of fracturing exhaust tube, the negative pressure that pumping plant is given is evacuated by water supply, fracturing exhaust tube automatically open end safety valve and
Laterally security valve carries out extraction to coal bed gas；It is final to realize that fracturing coal seam is carried out with extraction coal bed gas with the safe and efficient rate in position.
Description of the drawings
Fig. 1 is the controller figure of the present invention；
Fig. 2 is the fracturing exhaust tube figure of the present invention；
Fig. 3 is the connection bolt figure of the present invention；
Fig. 4 is the end safety valve figure of the present invention；
Fig. 5 is the pumping pipe connector figure of the present invention；
Fig. 6 is that the water supply of the present invention is evacuated pumping plant figure；
Fig. 7 is the heating tube figure of the present invention；
Fig. 8 is fracturing exhaust tube sectional view in the present invention；
Fig. 9 is the laterally security valve closing state figure in the present invention；
Figure 10 is the laterally security the valve opening state figure in the present invention；
Figure 11 is the safe clack valve location drawing in the present invention；
Figure 12 is the safety valve tongue shape graph of the present invention；
Figure 13 is the support arm shape graph in the present invention；
Figure 14 is the overall package design sketch of the present invention；
Figure 15 is the working state figure of the present invention.
In figure：1- controllers；2- fracturing exhaust tubes；3- connection bolts；The ends 4- safety valve；5- is evacuated pipe connector；6-
Water supply is evacuated pumping plant；7- heating tubes；8- tube wall safety valves；9- atomizing pieces；10- hole for water sprayings；The defeated spools of 11-；12- water-supply-pipes；13-
Safe clack valve；14- support arms.
Specific implementation mode
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15
Shown, a kind of fracturing drainage from coal seam coal seam device of air, including fracturing extraction mechanism and control mechanism, fracturing extraction mechanism are used for coal
The extraction of layer fracturing and coal bed gas, control mechanism are used for the control of the fracturing extraction mechanism course of work.
In fracturing extraction mechanism, by connecting bolt thread connection, the end safety valve between the fracturing exhaust tube
It is threadedly connected to fracturing pumping pipe end and inside has safe clack valve, the defeated spool, water-supply-pipe are placed in fracturing exhaust tube
Inside, the atomizing piece are placed in its end in fracturing exhaust tube inner pipe wall and are connected with defeated spool, and the heating tube is placed in fracturing
In exhaust tube inner pipe wall, the hole for water spraying is placed in inside in fracturing exhaust tube inner pipe wall and is connected with water-supply-pipe, the tube wall
Safety valve is placed in fracturing pumping tube wall, and the support arm is connect with fracturing exhaust tube external stability, the exhaust tube connection
Head is connect with fracturing exhaust tube lower thread；
In control mechanism, the cable is connected with controller and atomizing piece respectively by the defeated spool, the water supply is taken out
Air pump station is connected with water-supply-pipe, pumping pipe connector respectively by feed pipe and exhaust tube.
In conjunction with shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 14, Figure 15, atomizing piece, heating are first placed
Manage and by water-supply-pipe, defeated spool to be evacuated with controller and water supply pumping plant connect it is unimpeded, then will cause using connection bolt
It splits exhaust tube to be connected firmly, is finally putting into drilling and fixes and work.
Its monitoring step approximately as：
A, required fracturing exhaust tube joint number is determined according to drilling depth；
B, sequential assembling is carried out according to each parts spatial position, heating tube, atomizing piece is placed in fracturing exhaust tube
It is interior, it is bolted by connection between each fracturing exhaust tube, fracturing pumping pipe end and end tail block end safety valve, take out respectively
Air pipe connector is connected finally by cable, feed pipe, exhaust tube with controller, water supply pumping pumping plant；
C, connection and the working condition of each component are checked, it is ensured that after it is worked normally, rotated clockwise by corresponding tool
Fracturing extraction mechanism is passed to drilling precalculated position, and then inverting fracturing extraction mechanism makes support arm securely slotting and the wall of a borehole
It is interior, by the fixation of fracturing extraction mechanism, drilling end is sealed using charges；
D, fracturing extraction mechanism electric energy is given by controller, being evacuated pumping plant by water supply gives fracturing extraction mechanism water
Stream, fracturing extraction mechanism starts coal seam fracturing and works, and after the fracturing of coal seam, after the cooling of fracturing extraction mechanism, passes through water supply
The negative pressure that extraction mechanism is given, fracturing extraction mechanism carry out coal bed gas extraction work；
E, after coal bed gas extraction, transposition is dismantled in reverse order, and properly preserve；
Step a-e is repeated when f, moving to next boring work.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, any technical person familiar with the field is all equivalent replacements for being made, bright under the introduction of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (1)
1. a kind of fracturing drainage from coal seam coal seam device of air application process, which is characterized in that filled using fracturing drainage from coal seam coal bed gas
It sets, includes the following steps：
A, required fracturing exhaust tube joint number is determined according to drilling depth；
B, sequential assembling is carried out according to each parts spatial position, heating tube, atomizing piece is placed in fracturing exhaust tube, respectively
It is bolted by connection between fracturing exhaust tube, fracturing pumping pipe end and end tail block end safety valve, exhaust tube respectively
Connector is connected finally by cable, feed pipe, exhaust tube with controller, water supply pumping pumping plant；
C, connection and the working condition of each component are checked, it is ensured that after it is worked normally, fracturing is rotated clockwise by corresponding tool
Extraction mechanism is passed to drilling precalculated position, then invert fracturing extraction mechanism make support arm securely insert in the wall of a borehole, will
The fixation of fracturing extraction mechanism seals drilling end using charges；
D, fracturing extraction mechanism electric energy is given by controller, being evacuated pumping plant by water supply gives fracturing extraction mechanism flow, causes
It splits extraction mechanism and starts the work of coal seam fracturing, after the fracturing of coal seam, after the cooling of fracturing extraction mechanism, pass through water supply extraction machine
The negative pressure that structure is given, fracturing extraction mechanism carry out coal bed gas extraction work；
E, after coal bed gas extraction, transposition is dismantled in reverse order, and properly preserve；
Step a-e is repeated when f, moving to next boring work；
Fracturing drainage from coal seam coal seam device of air includes：
Fracturing extraction mechanism, including fracturing exhaust tube, connection bolt, end safety valve, pumping pipe connector, heating tube, tube wall
Safety valve, atomizing piece, hole for water spraying, defeated spool, water-supply-pipe, safe clack valve, support arm pass through connection between the fracturing exhaust tube
Bolt thread connects, and the end safety valve is threadedly connected to fracturing pumping pipe end and inside has safe clack valve, described defeated
Spool, water-supply-pipe are placed in inside fracturing exhaust tube, the atomizing piece be placed in fracturing exhaust tube inner pipe wall its end with it is defeated
Spool is connected, and the heating tube is placed in fracturing exhaust tube inner pipe wall, and the hole for water spraying is placed in fracturing exhaust tube inner pipe wall
Upper inside is connected with water-supply-pipe, and the tube wall safety valve is placed in fracturing pumping tube wall, the support arm and fracturing exhaust tube
External stability connects, and the pumping pipe connector is connect with fracturing exhaust tube lower thread；
Control mechanism, including controller, water supply pumping pumping plant, cable, feed pipe, exhaust tube, the cable pass through the defeated line
Pipe is connected with controller and atomizing piece respectively, water supply pumping pumping plant by feed pipe and exhaust tube respectively with water-supply-pipe, take out
Air pipe connector is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765898.6A CN105221117B (en) | 2015-11-11 | 2015-11-11 | A kind of fracturing drainage from coal seam coal seam device of air and application process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510765898.6A CN105221117B (en) | 2015-11-11 | 2015-11-11 | A kind of fracturing drainage from coal seam coal seam device of air and application process |
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| CN105221117A CN105221117A (en) | 2016-01-06 |
| CN105221117B true CN105221117B (en) | 2018-07-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107461185A (en) * | 2017-10-09 | 2017-12-12 | 中国矿业大学(北京) | A kind of new fracturing drainage from coal seam coal seam device of air |
| CN112832715B (en) * | 2021-01-07 | 2022-09-30 | 安徽理工大学 | Intelligent multiphase fracturing coupling carbon dioxide flooding coal bed gas extraction system |
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| US4474409A (en) * | 1982-09-09 | 1984-10-02 | The United States Of America As Represented By The Secretary Of The Interior | Method of enhancing the removal of methane gas and associated fluids from mine boreholes |
| CN102434192A (en) * | 2011-08-24 | 2012-05-02 | 中原工学院 | Device and method for enhancing coal seam fracturing effect |
| RU2487246C1 (en) * | 2012-02-27 | 2013-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" | Method to degas coal-bearing series |
| CN104074499A (en) * | 2014-06-23 | 2014-10-01 | 山西潞安工程有限公司 | Fracturing rod connecting device |
| CN104614497A (en) * | 2015-03-09 | 2015-05-13 | 中国矿业大学 | True-triaxial integrated experimental system for fracturing due to flowing pressure, slotting, seepage and gas driving |
| CN104653161A (en) * | 2015-02-12 | 2015-05-27 | 中国矿业大学(北京) | Coal mine underground pulse hydraulic slot cutting-fracturing integral anti-reflection extraction device and method |
| CN205189834U (en) * | 2015-11-11 | 2016-04-27 | 中国矿业大学(北京) | Send and split coal seam and take out and adopt coal bed gas device |
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2015
- 2015-11-11 CN CN201510765898.6A patent/CN105221117B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474409A (en) * | 1982-09-09 | 1984-10-02 | The United States Of America As Represented By The Secretary Of The Interior | Method of enhancing the removal of methane gas and associated fluids from mine boreholes |
| CN102434192A (en) * | 2011-08-24 | 2012-05-02 | 中原工学院 | Device and method for enhancing coal seam fracturing effect |
| RU2487246C1 (en) * | 2012-02-27 | 2013-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный университет" | Method to degas coal-bearing series |
| CN104074499A (en) * | 2014-06-23 | 2014-10-01 | 山西潞安工程有限公司 | Fracturing rod connecting device |
| CN104653161A (en) * | 2015-02-12 | 2015-05-27 | 中国矿业大学(北京) | Coal mine underground pulse hydraulic slot cutting-fracturing integral anti-reflection extraction device and method |
| CN104614497A (en) * | 2015-03-09 | 2015-05-13 | 中国矿业大学 | True-triaxial integrated experimental system for fracturing due to flowing pressure, slotting, seepage and gas driving |
| CN205189834U (en) * | 2015-11-11 | 2016-04-27 | 中国矿业大学(北京) | Send and split coal seam and take out and adopt coal bed gas device |
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| CN105221117A (en) | 2016-01-06 |
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Inventor after: Yuan Liang Inventor after: Zhang Tong Inventor after: Zhao Yixin Inventor after: Nie Xiaodong Inventor after: Yang Donghui Inventor after: Cai Yongbo Inventor after: Hao Xianjie Inventor before: Zhao Yixin Inventor before: Zhang Tong Inventor before: Yuan Liang Inventor before: Hao Xianjie |
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