CN110439530A - A kind of separator box cylinder Integral rotary air water slag separation pedrail - Google Patents
A kind of separator box cylinder Integral rotary air water slag separation pedrail Download PDFInfo
- Publication number
- CN110439530A CN110439530A CN201910872796.2A CN201910872796A CN110439530A CN 110439530 A CN110439530 A CN 110439530A CN 201910872796 A CN201910872796 A CN 201910872796A CN 110439530 A CN110439530 A CN 110439530A
- Authority
- CN
- China
- Prior art keywords
- separator box
- slag
- air water
- box cylinder
- transmission shaft
- 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.)
- Pending
Links
- 239000002893 slag Substances 0.000 title claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 238000012856 packing Methods 0.000 claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 239000003818 cinder Substances 0.000 claims description 23
- 230000003028 elevating effect Effects 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- 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
- E21B43/34—Arrangements for separating materials produced by the well
- E21B43/38—Arrangements for separating materials produced by the well in the well
-
- 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
- E21F16/00—Drainage
-
- 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
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)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of separator box cylinder Integral rotary air water slags to separate pedrail, including air water slag separation system, air water slag separation system includes separator box cylinder, power source and connecting line, separator box cylinder central horizontal is equipped with transmission shaft, along axle center, the hand of spiral is welded with packing auger blade on transmission shaft, the outer of packing auger blade is welded with cylindric strainer, transmission shaft, packing auger blade and strainer are welded as a whole, transmission shaft provides dynamic rotation by power source, drive packing auger blade and strainer unitary rotation, there are gaps between strainer and separator box barrel, centrifugal force and gravity when being rotated into the grain slag in packing auger blade by transmission shaft are precipitated, gas is taken away by negative pressure extraction pipeline.Structure of the invention is reasonable, effectively collects air water slag, easy to use, mobile light and handy, operates easy to maintenance, for the prior art, has good market prospects and development space.
Description
Technical field
The present invention relates to mine undergrounds to remove grain slag equipment technical field, and in particular to a kind of separator box cylinder Integral rotary gas
Grain slag separates pedrail.
Background technique
Coal mine inevitably generates a large amount of dust coal ash, also has watt in probing, exploitation, screening, transportational process
This gas releases, and makes cave technology whole process using water conservancy and carries out making cave to the face of adopting using high pressure water, prevents and treats mine gas
Problem.However during high pressure water makes cave, a large amount of water will use, although largely solving dust problem,
But the gas problem that the coal slime slag under punching water flow is cleared up and gushed out still has.
The grain slag under mine is flow in low-lying collecting box along tunnel at present, and water oozes out from gap after grain slag is collected, work
Remaining cinder is loaded onto belt and transported by people；The a large amount of water of collection are deposited in tunnel, and cinder accumulates tunnel, are brought greatly to tunnel and dealing worker
It is unfavorable, it influences underground work and is normally carried out.
Existing air water slag separating mechanism be mostly it is fixed irremovable, inconvenient when operation, some are installed in bottom and go
Wheel is walked, although out of question in flat pavement usage, when encountering in sloping tunnel, can not be adjusted and be separated according to landform
The direction that the angle and grain slag of case cylinder are poured into is made troubles to the separation of downhole gas grain slag.
How a kind of structurally reasonable, ingenious in design, quick separating methane gas, waste water and cinder are designed, and operation is light and handy, moves
Dynamic convenient, the separator box cylinder Integral rotary air water slag separation pedrail of good separating effect is current problem to be solved.
Summary of the invention
In order to solve existing coal mine in probing, exploitation, screening, transportational process, inevitably generate largely
Dust coal ash, worker, which works long hours, is highly susceptible to the invasion of pneumoconiosis, brings to the health and underground work of worker
Security risk, for reduce coal dust dissipation, adopting face can constantly wash by water in boring procedure, in this way since, generated in boring procedure
Coal dust mix water flow and form coal grain slag, grain slag flow in low-lying collecting box along tunnel, and water seeps from gap after grain slag is collected
Out, remaining cinder is loaded onto belt and transported by worker；The a large amount of water of collection are deposited in tunnel, and cinder accumulates tunnel, are pacified to tunnel and dealing worker
It is greatly unfavorable to bring entirely, when encountering in sloping tunnel, can not adjust the angle of separator box cylinder according to landform and grain slag pours into
Direction, influence underground work and technical problems, the present invention such as be normally carried out to provide a kind of separator box cylinder Integral rotary air water slag
Pedrail is separated, ingenious in design, quick separating methane gas, waste water and cinder structurally reasonable to realize, operation is light and handy, moves
It is dynamic convenient, the purpose of good separating effect.
Used technical solution is the present invention to solve above-mentioned technical problem: a kind of separator box cylinder Integral rotary air water
Slag separates pedrail, including air water slag separation system, and the air water slag separation system includes separator box cylinder, power source and peace
The connecting line being connected on separator box cylinder and with negative pressure extraction pipeline, separator box cylinder central horizontal are equipped with transmission shaft, pass
Along axle center, the hand of spiral is welded with packing auger blade on moving axis, and the outer of packing auger blade is welded with cylindric strainer, transmission shaft, strand
Imperial blade and strainer are welded as a whole, and transmission shaft provides dynamic rotation by power source, drive packing auger blade and strainer whole
Body rotation, there are gap between strainer and separator box barrel, when into the grain slag in packing auger blade by transmission shaft rotation from
Mental and physical efforts and gravity are precipitated, and gas is taken away by negative pressure extraction pipeline.
Water receiving tank, slag notch, upper cover, gas drainage pipe, lower cinder notch and discharge outlet are additionally provided on the separator box cylinder,
The air water slag wherein fallen on face is flowed into separator box cylinder by lower cinder notch, and the gas drainage pipe and tunnel negative pressure line connect
It connects, the drawing-off gas that will be mingled in grain slag using negative pressure is into negative pressure extraction pipeline.
It further include elevating mechanism and walking mechanism, the upper and lower ends of the elevating mechanism, which are separately connected, is fixed on air water slag point
From in system and walking mechanism, by the cooperation of elevating mechanism and walking mechanism, realize gas slag separation device in underworkings
Automatic moving.
Before the elevating mechanism includes lifting cylinder, fixed frame, chassis and hydraulic oil container, wherein fixed frame and chassis
End is respectively arranged with the convex block of a protrusion, is provided with the identical pin hole in aperture on two convex blocks, is equipped with pin in pin hole, leads to
It crosses pin joint mode and realizes being fixedly connected for fixed frame and chassis front end；The upper and lower ends of the lifting cylinder respectively with fixed frame and
The rear end of chassis is fixedly connected, and by the flexible of control lifting cylinder telescopic rod, realizes the lifting of gas slag separation device；It is described
Walking mechanism include two crawler belts being mounted on chassis, pass through crawler travel realize gas slag separation device advance.
The power source includes that the hydraulic pump of power is provided for transmission shaft.
The mesh number of the strainer is 60 mesh.
The slag notch is single flap type slag notch, to prevent outer grain slag from blowing back into separator box cylinder.
It is provided with screw feeding machine below the slag notch, the helical-blade of vertical direction is provided in screw feeding machine
Piece transfers out the cinder that slag notch comes out.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention includes air water slag separation system, and the air water slag separation system includes separator box cylinder, power source and installation
The connecting line being connected on separator box cylinder and with negative pressure extraction pipeline, separator box cylinder central horizontal are equipped with transmission shaft, transmission
Along axle center, the hand of spiral is welded with packing auger blade on axis, and the outer of packing auger blade is welded with cylindric strainer, transmission shaft, auger
Blade and strainer are welded as a whole, and transmission shaft provides dynamic rotation by power source, drive packing auger blade and strainer whole
Rotation, there are gaps between strainer and separator box barrel, centrifugation when being rotated into the grain slag in packing auger blade by transmission shaft
Power and gravity are precipitated, and gas is taken away by negative pressure extraction pipeline, the present invention by increase strainer and packing auger blade, by transmission shaft,
Packing auger blade and strainer are welded as a whole, unitary rotation, centrifugation when passing through rotation into the air water slag separation in packing auger blade
Power and gravity go out elutriation, and gas is taken away by negative pressure extraction pipeline, and operation is light and handy, conveniently moving, good separating effect；
2) water receiving tank, slag notch, upper cover, gas drainage pipe, lower cinder notch and discharge outlet are additionally provided on the separator box cylinder described in,
The air water slag fallen on middle face is flowed into separator box cylinder by lower cinder notch, and the gas drainage pipe and tunnel negative pressure line connect
It connects, the drawing-off gas that will be mingled in grain slag using negative pressure is into negative pressure extraction pipeline；
3) elevating mechanism described in includes lifting cylinder, fixed frame, chassis and hydraulic oil container, wherein the front end of fixed frame and chassis
It is respectively arranged with the convex block of a protrusion, the identical pin hole in aperture is provided on two convex blocks, is equipped with pin in pin hole, passes through
Pin joint mode realizes being fixedly connected for fixed frame and chassis front end；The upper and lower ends of the lifting cylinder respectively with fixed frame and bottom
The rear end of frame is fixedly connected, and by the flexible of control lifting cylinder telescopic rod, realizes the lifting of gas slag separation device；Described
Walking mechanism includes two crawler belts being mounted on chassis, and the advance of gas slag separation device is realized by crawler travel；
4) slag notch described in is single flap type slag notch, to prevent outer grain slag from blowing back into separator box cylinder；
5) mesh number of the strainer described in is 60 mesh, and effectively waste water and coal slime slag is isolated and separates, and ensure that the moisture analysis of coal slime slag
Out；
6) power source described in includes that the hydraulic pump of power is provided for transmission shaft, and motivation transfer motion part can pacify according to customer requirement
The driving for filling motor reducer or hydraulic motor, can also be used other driving methods such as air motor, the present invention is not limited to
This；
7) elevating mechanism, the hydraulic cylinder in walking mechanism and walking carrying roller assistance for lifting and movement, move worker in operation
Dynamic and operation is lighter；
8) it is provided with screw feeding machine below the slag notch described in, the helical-blade of vertical direction is provided in screw feeding machine
Piece transfers out the cinder that slag notch comes out.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is separator box cylinder internal sectional structure schematic diagram；
Marked in the figure: 1, lifting cylinder, 2, water receiving tank, 3, slag notch, 4, transmission shaft, 5, upper cover, 6, gas drainage pipe, 7, slag
Mouthful, 8, hydraulic pump, 9, discharge outlet, 10, crawler belt, 11, packing auger blade, 12, strainer, 13, fixed frame, 14, chassis, 15, in spiral
Material machine, 16, hydraulic oil container.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown, a kind of separator box cylinder Integral rotary air water slag separates pedrail, including air water slag separation system,
The air water slag separation system includes separator box cylinder, power source and is mounted on separator box cylinder and is connected to negative pressure extraction pipeline
Connecting line, separator box cylinder central horizontal is equipped with transmission shaft 4, is welded with auger leaf along the axle center hand of spiral on transmission shaft 4
Piece 11, the outer of packing auger blade 11 are welded with cylindric strainer 12, and transmission shaft 4, packing auger blade 11 and strainer 12 are welded as one
A entirety, transmission shaft 4 provide dynamic rotation by power source, drive packing auger blade 11 and 12 unitary rotation of strainer, strainer 12 with
There are gap between separator box barrel, centrifugal force and gravity when being rotated into the grain slag in packing auger blade 11 by transmission shaft 4
It is precipitated, gas is taken away by negative pressure extraction pipeline.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
Water receiving tank 2, slag notch 3, upper cover 5, gas drainage pipe 6, lower cinder notch 7 and discharge outlet 9 are additionally provided on the separator box cylinder,
The air water slag fallen on middle face is flowed into separator box cylinder by lower cinder notch 7, and the gas drainage pipe 6 connects with tunnel negative pressure line
It connects, the drawing-off gas that will be mingled in grain slag using negative pressure is into negative pressure extraction pipeline.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
Further include elevating mechanism and walking mechanism, the upper and lower ends of the elevating mechanism be separately connected be fixed on air water slag separation system and
In walking mechanism, by the cooperation of elevating mechanism and walking mechanism, realize gas slag separation device in the voluntarily shifting of underworkings
It is dynamic.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The elevating mechanism includes lifting cylinder 1, fixed frame 13, chassis 14 and hydraulic oil container 16, wherein fixed frame 13 and chassis 14
Front end be respectively arranged with the convex block of a protrusion, be provided with the identical pin hole in aperture on two convex blocks, be equipped with pin in pin hole
Column realizes being fixedly connected for fixed frame 13 and 14 front end of chassis by pin joint mode；The upper and lower ends of the lifting cylinder 1 are distinguished
It is fixedly connected with the rear end of fixed frame 13 and chassis 14, by the flexible of control 1 telescopic rod of lifting cylinder, realizes the separation of air water slag
The lifting of device；The walking mechanism includes two crawler belts being mounted on chassis 14 10, is walked by crawler belt 10 and realizes gas
The advance of slag separation device.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The power source includes that the hydraulic pump 8 of power is provided for transmission shaft 4.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The mesh number of the strainer 12 is 60 mesh.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The slag notch 3 is single flap type slag notch, to prevent outer grain slag from blowing back into separator box cylinder.
The above are basic embodiments of the invention, further can be improved, improved and limited on the basis of above: such as
The lower section of the slag notch 3 is provided with screw feeding machine 15, and the helical blade of vertical direction is provided in screw feeding machine 15,
It is transferred out with the cinder for coming out slag notch 3.
In practical application, the slag notch 3 of separator box cylinder, which tilts upward, to be put, and what is fallen in face drilling contains device in Gas
The grain slag and cinder of body are fallen into separator box cylinder from lower cinder notch 7, and the gas drainage under suction mouth 6 is connect with tunnel negative pressure line, are utilized
Negative pressure with the drawing-off gas that will be mingled in grain slag into negative pressure line, into the coal slime slag in packing auger blade 11 in transmission shaft 4
It under rotation drives, is promoted to 3 direction of slag notch, is discharged eventually by single flap type slag notch, the waste water in coal slime slag is being driven
Centrifugal force and gravity when axis 4 rotates are precipitated.
When in the tunnel for encounter slope, existing air water slag separating mechanism be mostly it is fixed irremovable, when operation not
Convenient, some install traveling wheel in bottom, out of question in flat pavement usage, but can not make on sloping road surface
With the elevating mechanism in present invention design, the hydraulic cylinder in walking mechanism and crawler belt assistance for lifting, movement and brake make work
People is lighter when operating mobile, when encountering in sloping tunnel, can be adjusted according to landform separator box cylinder angle and
Great convenience is brought to the separation of downhole gas grain slag in the direction that grain slag pours into.
Structure of the invention is reasonable, ingenious in design, quick separating methane gas, waste water and cinder, and operation is light and handy, movement side
Just, good separating effect, operation is easy to maintenance, and the coal dust for solving to generate in existing boring procedure mixes water flow and forms coal grain slag, water
Slag is flow in low-lying collecting box along tunnel, and water oozes out from gap after grain slag is collected, and remaining cinder is loaded onto belt and transported by worker
It walks；The a large amount of water of collection are deposited in tunnel, and cinder accumulates tunnel, and it is very big unfavorable to bring to tunnel and dealing worker, and it is normal to influence underground work
It the technical problems such as carries out, for the prior art, has good market prospects and development space.
The preferred embodiments of the disclosure and embodiment are explained in detail above in conjunction with attached drawing, but it is of the invention
It is not limited to the above embodiment and embodiment can also not take off within the knowledge of those skilled in the art
Various changes can be made under the premise of from present inventive concept.
Claims (8)
1. a kind of separator box cylinder Integral rotary air water slag separates pedrail, including air water slag separation system, it is characterised in that:
The air water slag separation system includes separator box cylinder, power source and is mounted on separator box cylinder and is connected to negative pressure extraction pipeline
Connecting line, separator box cylinder central horizontal is equipped with transmission shaft (4), is welded with strand along the axle center hand of spiral on transmission shaft (4)
Imperial blade (11), the outer of packing auger blade (11) are welded with cylindric strainer (12), transmission shaft (4), packing auger blade (11) and
Strainer (12) is welded as a whole, and transmission shaft (4) provides dynamic rotation by power source, drives packing auger blade (11) and strainer
(12) unitary rotation, there are gaps between strainer (12) and separator box barrel, pass through biography into the grain slag in packing auger blade (11)
Centrifugal force and gravity when moving axis (4) rotates are precipitated, and gas is taken away by negative pressure extraction pipeline.
2. a kind of separator box cylinder Integral rotary air water slag as described in claim 1 separates pedrail, it is characterised in that: institute
Water receiving tank (2), slag notch (3), upper cover (5), gas drainage pipe (6), lower cinder notch (7) and row are additionally provided on the separator box cylinder stated
The mouth of a river (9), the air water slag wherein fallen on face by lower cinder notch (7) flow into separator box cylinder in, the gas drainage pipe (6) with
The connection of tunnel negative pressure line, the drawing-off gas that will be mingled in grain slag using negative pressure is into negative pressure extraction pipeline.
3. a kind of separator box cylinder Integral rotary air water slag as described in claim 1 separates pedrail, it is characterised in that: also
Including elevating mechanism and walking mechanism, the upper and lower ends of the elevating mechanism, which are separately connected, is fixed on air water slag separation system and row
It walks in mechanism, by the cooperation of elevating mechanism and walking mechanism, realizes gas slag separation device in the automatic moving of underworkings.
4. a kind of separator box cylinder Integral rotary air water slag as claimed in claim 3 separates pedrail, it is characterised in that: institute
The elevating mechanism stated includes lifting cylinder (1), fixed frame (13), chassis (14) and hydraulic oil container (16), wherein fixed frame (13)
It is respectively arranged with the convex block of a protrusion with the front end of chassis (14), is provided with the identical pin hole in aperture, pin hole on two convex blocks
It is inside equipped with pin, being fixedly connected for fixed frame (13) and chassis (14) front end is realized by pin joint mode；The lifting cylinder
(1) upper and lower ends are fixedly connected with the rear end of fixed frame (13) and chassis (14) respectively, flexible by control lifting cylinder (1)
Flexible, the lifting of realization gas slag separation device of bar；The walking mechanism includes two shoes being mounted on chassis (14)
Band (10) is walked by crawler belt (10) and realizes the advance of gas slag separation device.
5. a kind of separator box cylinder Integral rotary air water slag as described in claim 1 separates pedrail, it is characterised in that: institute
The power source stated includes providing the hydraulic pump (8) of power for transmission shaft (4).
6. a kind of separator box cylinder Integral rotary air water slag as described in claim 1 separates pedrail, it is characterised in that: institute
The mesh number for the strainer (12) stated is 60 mesh.
7. a kind of separator box cylinder Integral rotary air water slag as described in claim 1 separates pedrail, it is characterised in that: institute
The slag notch (3) stated is single flap type slag notch, to prevent outer grain slag from blowing back into separator box cylinder.
8. a kind of separator box cylinder Integral rotary air water slag as claimed in claim 7 separates pedrail, it is characterised in that: institute
It is provided with screw feeding machine (15) below the slag notch (3) stated, the spiral of vertical direction is provided in screw feeding machine (15)
Blade transfers out the cinder that slag notch (3) come out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872796.2A CN110439530A (en) | 2019-09-16 | 2019-09-16 | A kind of separator box cylinder Integral rotary air water slag separation pedrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872796.2A CN110439530A (en) | 2019-09-16 | 2019-09-16 | A kind of separator box cylinder Integral rotary air water slag separation pedrail |
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| Publication Number | Publication Date |
|---|---|
| CN110439530A true CN110439530A (en) | 2019-11-12 |
Family
ID=68440267
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872796.2A Pending CN110439530A (en) | 2019-09-16 | 2019-09-16 | A kind of separator box cylinder Integral rotary air water slag separation pedrail |
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| CN (1) | CN110439530A (en) |
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| CN110761770A (en) * | 2019-12-04 | 2020-02-07 | 西安科技大学 | Novel mine slag-water-gas three-phase separation device |
| CN111577238A (en) * | 2020-06-12 | 2020-08-25 | 平顶山市安泰华矿用安全设备制造有限公司 | Walking type solid-liquid separation metering machine |
| CN111608723A (en) * | 2020-06-09 | 2020-09-01 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
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| CN111608723A (en) * | 2020-06-09 | 2020-09-01 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
| CN111608723B (en) * | 2020-06-09 | 2021-08-24 | 四川川煤华荣能源股份有限公司 | Drainage method for gas extraction hole |
| CN111577238A (en) * | 2020-06-12 | 2020-08-25 | 平顶山市安泰华矿用安全设备制造有限公司 | Walking type solid-liquid separation metering machine |
| CN111577238B (en) * | 2020-06-12 | 2024-04-05 | 平顶山市安泰华矿用安全设备制造有限公司 | Walking type solid-liquid separation metering machine |
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