CN203067017U - Device for preventing spraying of coal or gas in drilling and cutting - Google Patents
Device for preventing spraying of coal or gas in drilling and cutting Download PDFInfo
- Publication number
- CN203067017U CN203067017U CN 201320019628 CN201320019628U CN203067017U CN 203067017 U CN203067017 U CN 203067017U CN 201320019628 CN201320019628 CN 201320019628 CN 201320019628 U CN201320019628 U CN 201320019628U CN 203067017 U CN203067017 U CN 203067017U
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- China
- Prior art keywords
- gas
- air
- gas slag
- slag separation
- cylinder
- Prior art date
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- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 title claims abstract description 16
- 238000005507 spraying Methods 0.000 title abstract description 6
- 239000002893 slag Substances 0.000 claims abstract description 45
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 10
- 210000000988 bone and bone Anatomy 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 7
- 238000000746 purification Methods 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000011799 hole material Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a device for preventing spraying of coal or gas in drilling and cutting. The device comprises a gas and slag separation cylinder, a T-shaped sleeve pipe and a soft framework air cylinder, wherein a hemispheric air collection chamber is arranged on the gas and slag separation cylinder, a gas and slag separation box is arranged at the bottom of the gas and slag separation cylinder, a slagging door is arranged on the lower portion of the gas and slag separation cylinder, a material guide plate is arranged at the bottom of the air and slag separation box, and an air outlet which is connected with an air pumping pipe is arranged on the top portion of the air and slag separation box. The other end of the air pumping pipe is connected with a gas pumping and collecting pipeline through a transitional purification box, and a flowmeter is arranged on the air pumping pipe which is connected with an outlet of the transitional purification box. A spraying-prevention device is utilized to process sprayed objects, such as the gas, water and coal powder in real time, and has four functions of receiving, reducing dust, absorbing the gas and slagging. The device effectively reduces possibility of spraying, can process various spraying objects in real time when spraying occurs, removes negative influences on operation persons and roadway environment, ensures smooth conducting of drilling and cutting work, and is simple in operation, obvious in effect and high in practicability.
Description
Technical field
The present invention relates to a kind of device that bores coal cutting or gas ejection of preventing and treating, be particularly useful under the coal mine layer-through drilling or bore along layer boring cutting in the process coal that occurs or gas ejection phenomenon.
Background technology
It is " rich coal, oil-poor, weak breath " that the energy of China stores present situation, and coal mining occupies critical role in the Chinese national economy development.But China's coal-mine coalbed gas geology condition is very complicated, wherein high gas layer accounts for 50%-70%, and low air permeability coal seam account for wherein about 70%, while is along with minimizing gradually even the exhaustion of superficial part coal resources, the pit mining degree of depth is constantly deepened, coalbed gas geology condition more sophisticated is so gas control is extremely urgent.Under the situation of unprotect layer mining conditions; local gas is administered and is the inevitable course; and construction layer-through drilling or a suitable layer boring waterpower cutting coal body; the sealing of hole mash gas extraction that is incorporated into the power networks is a kind of effective ways that local gas is administered; theory analysis and field trial show that all its effect is remarkable, and this technology can effectively improve the gas pumping effect of boring.But implement layer-through drilling or mostly be high gas low-permeable weak seam along layer coal seam of boring hydraulic slotted liner technique measure, so in this process, the phenomenon that the ejection of coal or gas often occurs, during namely at layer-through drilling or along the construction of layer boring hydraulic slotted liner technique, owing to reasons such as outstanding in the hole, plug-holes, coal, rock mass and gas, water under high pressure etc. often take place simultaneously or one or more materials wherein suddenly, intermittently from the phenomenon of drilling orifice ejection.Transfiniting in coal or gas ejection can cause drilling operating location and gas density part, tunnel, even reaches the explosion ratio limit, has a strong impact on field operation personnel's safety of life and property.When spraying coal body more for a long time, may bury field operation equipment such as rig, stop up construction tunnel etc.At this technical barrier, binding isotherm knowledge and on-the-spot practice of construction situation propose this control and bore coal cutting or gas blowoff and method, apply having important practical significance to layer-through drilling or along the success of layer boring hydraulic slotted liner technique measure.
Summary of the invention
Technical problem: the objective of the invention is to overcome the weak point of existing blowout prevention method, provide a kind of simple to operate, control that effect is remarkable, practical to bore the device of coal cutting or gas ejection.
Technical scheme: coal cutting or gas blowoff are bored in control of the present invention, comprise that distortion has the gas slag cylinder of turning α, the top of gas slag cylinder is provided with T-socket, be provided with the flexible back bone air duct between gas slag cylinder and the T-socket, the two-port of flexible back bone air duct is separately fixed on gas slag cylinder and the T-socket, described flexible back bone air duct is provided with and can makes drilling rod stretch into the oscillating bearing that passes T-socket, the turning α of described gas slag cylinder tiltedly section cylindrical shell is provided with the hemispherical collection chamber that links to each other with exhaust tube, the bottom of gas slag cylinder is provided with gas slag separator box, gas slag separator box top is provided with see-through window, the bottom is provided with ash gate, the bottom of gas slag separator box is provided with stock guide, the top of gas slag separator box is provided with the gas outlet that links to each other with exhaust tube, the other end of exhaust tube links to each other with the gas pumping pipeline through the transfer purifying box, be provided with the filter screen baffle plate in the described transfer purifying box, transfer purifying box top is provided with see-through window, the bottom is provided with ash gate, the exhaust tube that the outlet of transfer purifying box connects is provided with flowmeter, and the exhaust tube mouth of pipe place that links to each other with the gas pumping pipeline is provided with ball valve.
The top of described gas slag cylinder is provided with a depositing dust waterfog head at least; Described turning α is 25-28 °.
Beneficial effect: the present invention has reception, depositing dust, air-breathing, deslagging four big functions, it is effective, practicality is mainly reflected in following 6 aspects: be welded with hangers on the T-socket 1., the drilling orifice place is fixed or be fixed by bolts to available iron wire, compare with original cement injection fixing means, simple to operate, more firm; 2. yielding and scalable two of the flexible back bone air duct big characteristics make this device be applicable to the boring of different angles and height, have wide range of applications; 3. the hemispherical collection chamber is the main position of gas extraction, the gas pumping effect is better, its opposite arranges the deslagging bend at a 25-28 ° of turning, effectively reduce the coal slurry flow velocity, win the enough time for the extraction of gas, add that the hemispherical collection chamber has very big permitted gas space, under powerful suction function, a large amount of gas accumulations are constantly taken away by large diameter extraction interface in this; 4. adopt larger-diameter exhaust tube, strengthen the gas pumping ability of this device greatly, can be in real time, the gas of pump drainage ejection effectively; 5. the transfer purifying box is set, to the gas depositing dust that falls into water, improves purity and the concentration of gas; 6. this device inside is provided with a depositing dust waterfog head at least, and the coal dust that produces when effectively eliminating dry type and creeping into is for the field operation personnel provide a safety, healthy environment.Described blowout prevention is bored to cut and is adopted dry type to creep into method (wind-force row powder) when creeping into, and can effectively reduce and even eliminate coal or gas ejection in the drilling process, and carries out depositing dust with blowout hookup depositing dust waterfog head; Use wet type instead when moving back the brill slot and creep into method (waterpower row's powder), utilize blowout hookup to handle ejectas such as gas, water, coal dust in real time, eliminate it to the adverse effect of operating personnel and tunnel environment, guarantee to bore and to cut operation and carries out smoothly, and it is simple to operate, effect is remarkable, practical.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: the 1-drilling rod; The 2-hangers; 3-flexible back bone air duct; The 4-oscillating bearing; 5-gas slag cylinder; 6-hemispherical collection chamber; The 7-see-through window; The 8-ash gate; 9-gas slag separator box; The 10-exhaust tube; 11-filter screen baffle plate; 12-transfer purifying box; The 13-ball valve; 14-gas pumping pipeline; The 15-flowmeter; 16-depositing dust waterfog head; 17-T shape sleeve pipe.
The specific embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
As shown in the figure, the device of coal cutting or gas ejection is bored in control of the present invention, mainly is made of flexible back bone air duct 3, gas slag cylinder 5, gas slag separator box 9, and described gas slag cylinder 5 distortions have turning α, and described turning α is 25-28 °; Gas slag cylinder 5 is vertically, tilt, vertical three sections tubes constitute again, the top of gas slag cylinder 5 is provided with T-socket 17, be provided with flexible back bone air duct 3 between gas slag cylinder 5 and the T-socket 17, the two-port of flexible back bone air duct 3 is separately fixed on gas slag cylinder 5 and the T-socket 17, the top of described gas slag cylinder 5 is provided with a depositing dust waterfog head 16 at least, is 2 shown in the figure.Described flexible back bone air duct 3 is provided with the oscillating bearing 4 that drilling rod 1 is stretched into pass T-socket 17, the turning α of described gas slag cylinder 5 tiltedly section cylindrical shell is provided with the hemispherical collection chamber 6 that links to each other with exhaust tube 10, the bottom of gas slag cylinder 5 is provided with gas slag separator box 9, gas slag separator box 9 tops are provided with see-through window, the bottom is provided with ash gate 8, the bottom of gas slag separator box 9 is provided with stock guide, the top of gas slag separator box 9 is provided with the gas outlet that links to each other with exhaust tube 10, the other end of exhaust tube 10 links to each other with gas pumping pipeline 14 through transfer purifying box 12, be provided with filter screen baffle plate 11 in the described transfer purifying box 12, transfer purifying box 12 tops are provided with see-through window, the bottom is provided with ash gate, the exhaust tube 10 that 12 outlets of transfer purifying box connect is provided with flowmeter 15, and exhaust tube 10 mouth of pipe places that link to each other with gas pumping pipeline 14 are provided with ball valve 13.
Claims (3)
1. prevent and treat the device that bores coal cutting or gas ejection for one kind, it is characterized in that: it comprises that distortion has the gas slag cylinder (5) of turning α, the top of gas slag cylinder (5) is provided with T-socket (17), be provided with flexible back bone air duct (3) between gas slag cylinder (5) and the T-socket (17), the two-port of flexible back bone air duct (3) is separately fixed on gas slag cylinder (5) and the T-socket (17), described flexible back bone air duct (3) is provided with the oscillating bearing (4) that drilling rod (1) is stretched into pass T-socket (17), the turning α of described gas slag cylinder (5) tiltedly section cylindrical shell is provided with the hemispherical collection chamber (6) that links to each other with exhaust tube (10), the bottom of gas slag cylinder (5) is provided with gas slag separator box (9), gas slag separator box (9) top is provided with see-through window, the bottom is provided with ash gate (8), the bottom of gas slag separator box (9) is provided with stock guide, the top of gas slag separator box (9) is provided with the gas outlet that links to each other with exhaust tube (10), the other end of exhaust tube (10) links to each other with gas pumping pipeline (14) through transfer purifying box (12), be provided with filter screen baffle plate (11) in the described transfer purifying box (12), transfer purifying box (12) top is provided with see-through window, the bottom is provided with ash gate, the exhaust tube (10) that transfer purifying box (12) outlet connects is provided with flowmeter (15), and exhaust tube (10) mouth of pipe place that links to each other with gas pumping pipeline (14) is provided with ball valve (13).
2. the device of coal cutting or gas ejection is bored in control according to claim 1, and it is characterized in that: the top of described gas slag cylinder (5) is provided with a depositing dust waterfog head (16) at least.
3. the device of coal cutting or gas ejection is bored in control according to claim 1, and it is characterized in that: described turning α is 25-28 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019628 CN203067017U (en) | 2013-01-15 | 2013-01-15 | Device for preventing spraying of coal or gas in drilling and cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019628 CN203067017U (en) | 2013-01-15 | 2013-01-15 | Device for preventing spraying of coal or gas in drilling and cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067017U true CN203067017U (en) | 2013-07-17 |
Family
ID=48765826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019628 Expired - Fee Related CN203067017U (en) | 2013-01-15 | 2013-01-15 | Device for preventing spraying of coal or gas in drilling and cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067017U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046948A (en) * | 2013-01-15 | 2013-04-17 | 中国矿业大学 | Device and method for preventing coal drilling and cutting or gas emission |
| CN103953383A (en) * | 2014-04-16 | 2014-07-30 | 江西四通重工机械有限公司 | Multi-degree-of-freedom in-laneway dust catcher |
| CN104120988A (en) * | 2014-07-16 | 2014-10-29 | 平顶山市铁福来机电设备有限公司 | Blowout prevention collecting device for coal mine punching |
-
2013
- 2013-01-15 CN CN 201320019628 patent/CN203067017U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046948A (en) * | 2013-01-15 | 2013-04-17 | 中国矿业大学 | Device and method for preventing coal drilling and cutting or gas emission |
| CN103953383A (en) * | 2014-04-16 | 2014-07-30 | 江西四通重工机械有限公司 | Multi-degree-of-freedom in-laneway dust catcher |
| CN103953383B (en) * | 2014-04-16 | 2016-08-31 | 江西四通重工机械有限公司 | Dust trapping device in a kind of multiple degrees of freedom tunnel |
| CN104120988A (en) * | 2014-07-16 | 2014-10-29 | 平顶山市铁福来机电设备有限公司 | Blowout prevention collecting device for coal mine punching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20150115 |
|
| EXPY | Termination of patent right or utility model |