CN107313798B - Resonant mode coal mine gas drainage device - Google Patents
Resonant mode coal mine gas drainage device Download PDFInfo
- Publication number
- CN107313798B CN107313798B CN201710675281.4A CN201710675281A CN107313798B CN 107313798 B CN107313798 B CN 107313798B CN 201710675281 A CN201710675281 A CN 201710675281A CN 107313798 B CN107313798 B CN 107313798B
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- port
- coal mine
- drainage device
- piston
- 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.)
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Links
- 239000003245 coal Substances 0.000 title claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Resonant mode coal mine gas drainage device disclosed by the invention, including tubular support housing, the opposite two-port of tubular support housing are respectively port A, port B；In tubular support housing: being equipped with the connector sleeve of connection compressed air source unit at the A of port, air bag is being equipped at proximal port B, piston cylinder is equipped between air bag and connector sleeve, piston cylinder includes lower cylinder body, upper cylinder body and the piston between lower cylinder body and upper cylinder body, snorkel is equipped in upper cylinder body, snorkel is connect with lower cylinder body by hollow intermediate bar and fixed in junction by connecting component, and spring is equipped in lower cylinder body, one end of spring is against at connecting component, and the other end of spring is connect with piston；The air inlet of air bag is tightly connected by lower contact and lower cylinder body, and connector sleeve is tightly connected by top connection and upper cylinder body.Present invention vibration formula coal mine gas drainage device, enters back into after coal bed gas can be made to gather together by gap into air flue in gas production hole, can unify to collect methane gas, improve collecting efficiency.
Description
Technical field
The invention belongs to extraction equipment technical fields, and in particular to a kind of resonant mode coal mine gas drainage device.
Background technique
Gas control is the premise and basis of safety of coal mines high-efficiency mining.Nowadays gas problem, especially low-permeable coal
Layer gas control is global problem, is not well solved for a long time, thus causes coal mine gas explosion multiple
And production efficiency is low, safety and high efficiency is difficult to realize.
As pit mining depth increases, geological conditions is more complicated, and crustal stress, gas bearing capacity and pressure increase, gas are controlled
Reason difficulty further increases.In consideration of it, the anti-reflection technology in coal seam is widely used, but from the prior art, technology that coal seam is anti-reflection
It there is a problem that various and security risk is urgently to be resolved.
Summary of the invention
The purpose of the present invention is to provide a kind of resonant mode coal mine gas drainage devices, and coal bed gas (gas) can be made to pass through seam
Gap enters back into gas production hole after gathering together into biggish air flue, collects methane gas so as to unified, improves collecting efficiency.
The technical scheme adopted by the invention is that vibration formula coal mine gas drainage device, includes tubular support housing, tubulose
The opposite two-port of supporing shell is respectively port A, port B；In tubular support housing: being provided with connection gas source at the A of port
The connector sleeve of device is being provided with air bag at proximal port B, piston cylinder is being provided between air bag and connector sleeve, piston cylinder includes
There are lower cylinder body, upper cylinder body and the piston between lower cylinder body and upper cylinder body, snorkel is provided in upper cylinder body, snorkel is logical
It crosses hollow intermediate bar to connect with lower cylinder body and fix in junction by connecting component, spring is provided in lower cylinder body, spring
One end is against at connecting component, and the other end of spring is connect with piston；The air inlet of air bag is sealed by lower contact and lower cylinder body
Connection, connector sleeve are tightly connected by top connection and upper cylinder body.
The features of the present invention also characterized in that:
Connecting component is nut.
Air inlet is provided on the body of rod of hollow intermediate bar.
Air inlet is at least provided with one.
Air vent is provided on the outer wall of tubular support housing.
Air vent is at least provided with one.
The beneficial effects of the present invention are:
(1) resonant mode coal mine gas drainage device of the present invention has compared with existing most coal bed gas pumping methods
Have unique advantage: individually for punching pumping, it does not need special coal mine type and landform, more saves yet for comparison
Cost；It compares for the explosive methods such as gas explosion, the risk of this method is lower, and controllable degree is high, can greatly guarantee
The life security of operator；It compares for the methods of water conservancy pressure break, the operability of the program is lighter, reduces worker's work
Intensity and labor cost, it is more convenient, efficient.
(2) when carrying out coal mine gas drainage using resonant mode coal mine gas drainage device of the present invention, restrictive condition is seldom,
It is easy to operate and high-efficient, it is very suitable to promote the use of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of resonant mode coal mine gas drainage device of the present invention.
In figure, 1. tubular support housings, 2. air bags, 3. lower contacts, 4. lower cylinder bodies, 5. springs, 6. pistons, 7. upper cylinder bodies,
8. top connection, 9. connector sleeves, 10. hollow intermediate bars, 11. connecting components, 12. air vents, 13. air inlets.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Resonant mode coal mine gas drainage device of the present invention, structure is as shown in Figure 1, include tubular support housing 1, tubulose
The opposite two-port of supporing shell 1 is respectively port A, port B；In tubular support housing 1: being provided with connection gas at the A of port
The connector sleeve 9 of source device is being provided with air bag 2 at proximal port B, is being provided with piston cylinder between air bag 2 and connector sleeve 9, the work
Plug cylinder includes lower cylinder body 4, upper cylinder body 7 and the piston 6 between lower cylinder body 4 and upper cylinder body 7, is provided in upper cylinder body 7
Snorkel, snorkel are connect with lower cylinder body 4 by hollow intermediate bar 10 and are fixed in junction by connecting component 11, lower cylinder body
Spring 5 is provided in 4, one end of spring 5 is against at connecting component 11, and the other end of spring 5 is connect with piston 6；Air bag 2 into
Port is tightly connected by lower contact 3 and lower cylinder body 4, and connector sleeve 9 is tightly connected by top connection 8 and upper cylinder body 7.
Connecting component 11 is using nut.
Air inlet 13 is provided on the body of rod of hollow intermediate bar 10, air inlet 13 can according to need flexible setting quantity,
At least it is arranged one.
Air vent 12 is provided on the outer wall of tubular support housing 1, air vent 12 can according to need flexible setting quantity,
At least it is arranged one.
The application method of resonant mode coal mine gas drainage device of the present invention is as follows:
Start to supply gas, be sent to gas in hollow intermediate bar 10 through the snorkel in upper cylinder body 7, by hollow intermediate bar 10
The air inlet 13 being arranged on the body of rod is sent into upper cylinder body 7, and for pushing piston 6 to generate movement, piston 6 can compress in lower cylinder body 4
Gas enter in air bag 2, air bag 2 can be made to expand；After stopping is supplied gas, nut (connecting component 11) is fixed on hollow intermediate bar 10
End, 5 one end of spring withstands nut, and bounce can make piston 6 mobile to upper cylinder body 7, and gas is from air vent 12 in upper cylinder body 7
Outflow, piston 6 smoothly reset to home position, and air bag 2 is shunk.
Resonant mode coal mine gas drainage device of the present invention generates compressing by using the air-blowing of compressing gasbag 2, deflation,
To generate mechanical oscillation, and generated vibrational energy gradually reaches a degree of harmonic resonance with coal mine, gradually in coal body
Middle generation gap makes coal bed gas (gas) that can slowly gather together by these gaps into biggish air flue, enters thing later
In the gas production hole first dug, realizes to the unified collection of the methane gas of extraction, extraction efficiency can be effectively improved.
Claims (6)
1. resonant mode coal mine gas drainage device, which is characterized in that include tubular support housing (1), tubular support housing (1)
Opposite two-port is respectively port A, port B；In the tubular support housing (1): being provided with connection gas at the port A
The connector sleeve (9) of source device is provided with air bag (2) at proximal port B, is provided between the air bag (2) and connector sleeve (9)
Piston cylinder, the piston cylinder include lower cylinder body (4), upper cylinder body (7) and between lower cylinder body (4) and upper cylinder body (7)
Piston (6), the upper cylinder body (7) is interior to be provided with snorkel, and the snorkel is connected by hollow intermediate bar (10) and lower cylinder body (4)
It connects and fixed by connecting component (11) in junction, is provided with spring (5) in the lower cylinder body (4), the one of the spring (5)
End is against at connecting component (11), and the other end of spring (5) is connect with piston (6)；The air inlet of the air bag (2) connects under passing through
Head (3) and lower cylinder body (4) are tightly connected, and the connector sleeve (9) is tightly connected by top connection (8) and upper cylinder body (7).
2. resonant mode coal mine gas drainage device according to claim 1, which is characterized in that the connecting component (11) is
Nut.
3. resonant mode coal mine gas drainage device according to claim 1, which is characterized in that the hollow intermediate bar (10)
The body of rod on be provided with air inlet (13).
4. resonant mode coal mine gas drainage device according to claim 3, which is characterized in that the air inlet (13) is at least
It is provided with one.
5. resonant mode coal mine gas drainage device according to claim 1, which is characterized in that the tubular support housing
(1) air vent (12) are provided on outer wall.
6. resonant mode coal mine gas drainage device according to claim 5, which is characterized in that the air vent (12) is at least
It is provided with one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710675281.4A CN107313798B (en) | 2017-08-09 | 2017-08-09 | Resonant mode coal mine gas drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710675281.4A CN107313798B (en) | 2017-08-09 | 2017-08-09 | Resonant mode coal mine gas drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107313798A CN107313798A (en) | 2017-11-03 |
| CN107313798B true CN107313798B (en) | 2019-04-09 |
Family
ID=60170684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710675281.4A Active CN107313798B (en) | 2017-08-09 | 2017-08-09 | Resonant mode coal mine gas drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313798B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252670B (en) * | 2017-12-27 | 2021-09-24 | 陕西理工大学 | Harmonic wave generating device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3848672A (en) * | 1973-05-21 | 1974-11-19 | A Bodine | Sonic retorting technique for in situ minining of carbonaceous material |
| CN2090416U (en) * | 1991-05-10 | 1991-12-11 | 吉林省油田管理局钻采工艺研究院 | Hydraulic pulse vibrator |
| US5836393A (en) * | 1997-03-19 | 1998-11-17 | Johnson; Howard E. | Pulse generator for oil well and method of stimulating the flow of liquid |
| GB0817500D0 (en) * | 2008-09-24 | 2008-10-29 | Wavefront Reservoir Technologi | Injection of liquid into boreholes, with suck-back pulsing |
| CN203175443U (en) * | 2013-04-11 | 2013-09-04 | 河南省泓森石油技术开发有限公司 | Underground dual-wave low-frequency large-power hydraulic vibrator |
| CN204663509U (en) * | 2015-05-26 | 2015-09-23 | 河南理工大学 | Anti-reflection system is shaken in carbon dioxide coal seam |
| CN105735954B (en) * | 2016-01-29 | 2018-04-27 | 辽宁工程技术大学 | A kind of electromagnetic heat radiation coal seam is anti-reflection boring rod set and its application method |
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2017
- 2017-08-09 CN CN201710675281.4A patent/CN107313798B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107313798A (en) | 2017-11-03 |
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Effective date of registration: 20220805 Address after: East House, 3rd Floor, North Building, No. 18, Zone C, Venture R&D Park, No. 69, Jinye Road, High-tech Zone, Xi'an City, Shaanxi Province 710000 Patentee after: Xi'an Yubo Precision Machinery Co., Ltd. Address before: 723001 Dongyi Ring Road, Hantai District, Hanzhoung, Shaanxi Province, No. 1 Patentee before: Shaanxi University of Technology |
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