CN219081638U - Coal seam water injection device for underground coal mine - Google Patents
Coal seam water injection device for underground coal mine Download PDFInfo
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- CN219081638U CN219081638U CN202320201328.4U CN202320201328U CN219081638U CN 219081638 U CN219081638 U CN 219081638U CN 202320201328 U CN202320201328 U CN 202320201328U CN 219081638 U CN219081638 U CN 219081638U
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- pressure air
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000003245 coal Substances 0.000 title claims abstract description 51
- 238000002347 injection Methods 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a coal seam water injection device for underground coal mines, which relates to the technical field of mine equipment and comprises a hole packer, wherein a drain hole is formed in the hole packer, an expansion rubber pipe is fixedly connected to the circumference of the hole packer, a fixed ring is fixedly connected to the lower surface of the hole packer, a high-pressure spray head is fixedly connected to the lower surface of the fixed ring, a first threaded pipe is fixedly connected to the upper surface of the expansion rubber pipe, a first threaded joint is movably connected to the inside of the first threaded pipe, a high-pressure air pipe is fixedly connected to the other end of the first threaded joint, and a valve is movably connected to the inside of the high-pressure air pipe. This colliery is coal seam water injection device in pit sets up through the cooperation of inflation rubber tube, first screwed pipe, first screwed joint, high-pressure air pipe, valve and high-pressure air pump, makes hole sealing and water injection mutually independent, simplifies the operation, avoids the hole packer to reduce after the pressure release, makes the pressure in the drilling reduce, influences the water injection effect.
Description
Technical Field
The utility model relates to the technical field of mine equipment, in particular to a coal seam water injection device for underground coal mines.
Background
In the existing coal mine exploitation process, although a series of dust fall measures are adopted in the mine, working flour dust is still high, the safety production and the health of workers are seriously endangered, coal seam water injection is one of the most effective and fundamental dust prevention measures according to scientific research, water is injected into a coal seam to be exploited by drilling through water pressure, the water content of the coal body is increased, the coal body is moistened, the strength and brittleness of the coal are reduced, the plasticity is increased, and the dust amount generated by each procedure in coal exploitation is fundamentally reduced.
In China, patent application number: CN202120926672.0 discloses a deep hole water injection conveying device for underground coal seam of coal mine, which structurally comprises a hole packer, a steel pipe and a high-pressure rubber pipe, wherein a first external thread is arranged at one end of the steel pipe, a first internal thread corresponding to the first external thread of the steel pipe is arranged at the other end of the steel pipe, an internal thread corresponding to the first external thread of the steel pipe is arranged at the bottom of the hole packer and is in threaded connection with the steel pipe, and the bottom end of the steel pipe is correspondingly connected with the high-pressure rubber pipe. This colliery coal seam deep hole water injection conveyor in pit, the hole packer can reduce after stopping the water injection, makes the pressure in the drilling reduce, influences the water injection effect, and in addition, it uses a plurality of steel pipes to be connected and carries out the water injection, and weight is great, makes staff's intensity of labour increase.
Therefore, it is necessary to provide a coal seam injection device for a coal mine well to solve the above problems.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a coal seam water injection device for a coal mine underground, which solves the problems that the existing coal seam deep hole water injection conveying device for the coal mine underground is provided in the background technology, a hole packer is reduced after water injection is stopped, so that the pressure in a drill hole is reduced, the water injection effect is affected, and in addition, a plurality of steel pipes are connected for water injection, the weight is large, and the labor intensity of staff is increased.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a colliery is coal seam water injection device for pit, includes the hole packer, the wash port has been seted up to the inside of hole packer, the circumference fixedly connected with inflation rubber tube of hole packer, the fixed ring of lower fixed surface fixedly connected with of hole packer, the lower fixed surface of fixed ring is connected with high-pressure nozzle, the last fixed surface of inflation rubber tube is connected with first screwed pipe, the inside swing joint of first screwed pipe has first screwed joint, the other end fixedly connected with high-pressure air pipe of first screwed joint, the inside swing joint of high-pressure air pipe has the valve, the other end fixedly connected with high-pressure air pump of high-pressure air pipe, the upper surface fixedly connected with handle of high-pressure air pump, the lower surface symmetry fixedly connected with support frame of high-pressure air pump, the upper surface fixedly connected with second screwed pipe of hole packer, the internal surface swing joint of second screwed pipe has second screwed joint, the other end fixedly connected with high-pressure water pipe of second screwed pipe, the other end fixedly connected with high-pressure water pump of high-pressure water pipe, high-pressure water pump fixed connection is in the base.
Preferably, the hole packer is made of stainless steel.
Preferably, the expansion rubber tube is fixedly connected with the fixing ring, the expansion rubber tube is made of rubber, and the fixing ring is made of tungsten steel.
Preferably, the high-pressure air pipe and the high-pressure water pipe are made of PVC materials.
Preferably, the water outlet of the high-pressure water pump is connected with a high-pressure water pipe, and the water inlet of the high-pressure water pump is connected with a municipal water pipe.
Preferably, the high-pressure air pipe and the high-pressure water pipe are fixedly connected through a buckle.
Preferably, the first threaded pipe is matched with the first threaded joint, and the second threaded pipe is matched with the second threaded joint.
(III) beneficial effects
Compared with the prior art, the utility model provides a coal seam water injection device for underground coal mines, which has the following beneficial effects:
1. this colliery is coal seam water injection device in pit sets up through the cooperation of inflation rubber tube, first screwed pipe, first screwed joint, high-pressure air pipe, valve and high-pressure air pump, makes hole sealing and water injection mutually independent, simplifies the operation, avoids the hole packer to reduce after the pressure release, makes the pressure in the drilling reduce, influences the water injection effect.
2. This colliery is coal seam water injection device in pit, through the weight that uses high-pressure air pipe and the high-pressure water pipe of PVC material preparation can greatly reduced pipeline, reduces staff's intensity of labour to, through the solid fixed ring of installing by tungsten steel material preparation in the bottom of hole packer, can increase water injection device's weight, make it can reach the hole bottom fast.
Drawings
FIG. 1 is a schematic perspective side view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the area A in FIG. 1 according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of the B region in fig. 2 according to the present utility model.
In the figure: 1. a hole packer; 2. a drain hole; 3. an expansion rubber tube; 4. a fixing ring; 5. a high pressure nozzle; 6. a first threaded pipe; 7. a first threaded joint; 8. a high pressure gas pipe; 9. a valve; 10. a high pressure air pump; 11. a handle; 12. a support frame; 13. a second threaded tube; 14. a second threaded joint; 15. a high pressure water pipe; 16. a high pressure water pump; 17. a base; 18. and (5) a buckle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a coal seam water injection device for underground coal mine comprises a hole packer 1, wherein a drain hole 2 is formed in the hole packer 1, the hole packer 1 is made of stainless steel, the strength of the stainless steel is high, corrosion resistance and long service life are achieved, an expansion rubber tube 3 is fixedly connected to the circumference of the hole packer 1, a fixing ring 4 is fixedly connected to the lower surface of the hole packer 1, the expansion rubber tube 3 is fixedly connected with the fixing ring 4, the expansion rubber tube 3 is made of rubber, the fixing ring 4 is made of tungsten steel, the weight of the tungsten steel is large, the water injection device can reach the bottom of a hole rapidly, a high-pressure spray head 5 is fixedly connected to the lower surface of the fixing ring 4, a first threaded tube 6 is fixedly connected to the upper surface of the expansion rubber tube 3, a first threaded joint 7 is movably connected to the inside of the first threaded tube 6, a high-pressure air tube 8 is fixedly connected to the other end of the first threaded joint 7, the valve 9 is movably connected in the high-pressure air pipe 8, the high-pressure air pump 10 is fixedly connected at the other end of the high-pressure air pipe 8, through the matching arrangement of the expansion rubber pipe 3, the first threaded pipe 6, the first threaded joint 7, the high-pressure air pipe 8, the valve 9 and the high-pressure air pump 10, when water is injected into a coal seam, firstly the hole packer 1 is put into a drill hole, the hole packer 1 rapidly slides down until sliding down to the bottom of the hole under the action of the fixed ring 4, at the moment, the valve 9 is opened, the high-pressure air pump 10 is started, high-pressure air is injected into the expansion rubber pipe 3, the expansion rubber pipe 3 is inflated to block the drill hole, then the water inlet of the high-pressure water pump 16 is connected with a municipal water pipe, the high-pressure water pump 16 is started, the water is injected into the coal seam, the hole packer and the water injection are mutually independent, the operation procedure is simplified, the hole packer 1 is prevented from shrinking after pressure relief, and the pressure in the drill hole is reduced, the water injection effect is influenced, the upper surface fixedly connected with handle 11 of high-pressure air pump 10, the lower surface symmetry fixedly connected with support frame 12 of high-pressure air pump 10, the upper surface fixedly connected with second screwed pipe 13 of hole packer 1, the internal surface swing joint of second screwed pipe 13 has second screwed joint 14, first screwed pipe 6 and first screwed joint 7 looks adaptation, second screwed pipe 13 and second screwed joint 14 looks adaptation, make its cooperation inseparable, prevent that gas leakage from influencing the water injection effect, the other end fixedly connected with high-pressure water pipe 15 of second screwed joint 14, the material of high-pressure air pipe 8 and high-pressure water pipe 15 is the PVC material, high-pressure air pipe 8 and high-pressure water pipe 15 pass through buckle 18 fixed connection, reduce the weight of pipeline, through the high-pressure air pipe 8 and the high-pressure water pipe 15 that use PVC material to make, reduce staff's intensity of labour, and through installing by tungsten solid fixed ring 4 of steel material preparation in the bottom of hole packer 1, can increase water injection device's weight, make it reach the hole bottom fast, the high-pressure water pipe 15 is connected with high-pressure water pump 16 to the water pump 16, the high-pressure water pump 16 is connected with the water pump 16 to the water inlet hole, the high-pressure water pump 16 is connected with the high-pressure water pump 16, the water pump is convenient for fixing hole 17.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
Working principle: when the coal seam water injection device for the underground coal mine is used, firstly, the hole packer 1 is placed into a drill hole, the hole packer 1 slides down quickly under the action of the fixed ring 4 until the hole bottom slides down, at the moment, the valve 9 is opened, the high-pressure air pump 10 is started, high-pressure air is injected into the expansion rubber tube 3, the expansion rubber tube 3 is inflated to block the drill hole, when the expansion rubber tube 3 is inflated to a certain degree, the valve 9 and the high-pressure air pump 10 are closed at the same time, then the water inlet of the high-pressure water pump 16 is connected with a municipal water pipe, the high-pressure water pump 16 is started, water is injected into the coal seam, the hole packer and the water injection are mutually independent through the matched arrangement of the expansion rubber tube 3, the first threaded pipe 6, the first threaded joint 7, the high-pressure air pipe 8, the valve 9 and the high-pressure air pump 10, the hole packer 1 is contracted after pressure relief is avoided, the pressure in the drill hole is reduced, the water injection effect is affected, after the water completely enters the coal seam, the valve 9 is opened, the air in the expansion rubber tube 3 is released, the volume of the expansion rubber tube 3 is contracted, and then the hole packer 1 is taken out.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a colliery is coal seam water injection device in pit, includes hole packer (1), its characterized in that: the inside of hole packer (1) has seted up wash port (2), the circumference fixedly connected with inflation rubber tube (3) of hole packer (1), the lower fixed surface of hole packer (1) is connected with solid fixed ring (4), the lower fixed surface of solid fixed ring (4) is connected with high-pressure shower nozzle (5), the upper surface fixedly connected with first screwed pipe (6) of inflation rubber tube (3), the inside swing joint of first screwed pipe (6) has first screwed joint (7), the other end fixedly connected with high-pressure air tube (8) of first screwed joint (7), the inside swing joint of high-pressure air tube (8) has valve (9), the other end fixedly connected with high-pressure air pump (10) of high-pressure air tube (8), the upper surface fixedly connected with handle (11) of high-pressure air pump (10), the lower surface symmetry fixedly connected with support frame (12) of high-pressure air pump (10), the upper surface fixedly connected with second screwed pipe (13) of hole packer (1), the other end fixedly connected with high-pressure water pump (15) of second screwed joint (14), the high-pressure water pump (16) is fixedly arranged on the base (17).
2. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the hole packer (1) is made of stainless steel.
3. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the expansion rubber tube (3) is fixedly connected with the fixing ring (4), the expansion rubber tube (3) is made of rubber, and the fixing ring (4) is made of tungsten steel.
4. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the high-pressure air pipe (8) and the high-pressure water pipe (15) are made of PVC materials.
5. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the water outlet of the high-pressure water pump (16) is connected with a high-pressure water pipe (15), and the water inlet of the high-pressure water pump (16) is connected with a municipal water pipe.
6. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the high-pressure air pipe (8) and the high-pressure water pipe (15) are fixedly connected through a buckle (18).
7. A coal seam injection device for use in a coal mine well as claimed in claim 1, wherein: the first threaded pipe (6) is matched with the first threaded joint (7), and the second threaded pipe (13) is matched with the second threaded joint (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320201328.4U CN219081638U (en) | 2023-02-14 | 2023-02-14 | Coal seam water injection device for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320201328.4U CN219081638U (en) | 2023-02-14 | 2023-02-14 | Coal seam water injection device for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219081638U true CN219081638U (en) | 2023-05-26 |
Family
ID=86388156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320201328.4U Active CN219081638U (en) | 2023-02-14 | 2023-02-14 | Coal seam water injection device for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219081638U (en) |
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2023
- 2023-02-14 CN CN202320201328.4U patent/CN219081638U/en active Active
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