CN113482559A - Automatic slag-gas separation device and method for coal mine - Google Patents
Automatic slag-gas separation device and method for coal mine Download PDFInfo
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- CN113482559A CN113482559A CN202110955835.2A CN202110955835A CN113482559A CN 113482559 A CN113482559 A CN 113482559A CN 202110955835 A CN202110955835 A CN 202110955835A CN 113482559 A CN113482559 A CN 113482559A
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- 238000000926 separation method Methods 0.000 title claims abstract description 68
- 239000003245 coal Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 61
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 238000007667 floating Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
- E21B21/066—Separating solids from drilling fluids with further treatment of the solids, e.g. for disposal
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- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Geochemistry & Mineralogy (AREA)
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- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides an automatic slag-gas separation device and method for a coal mine, belonging to the technical field of slag-gas separation devices. According to the automatic slag-gas separation device and method for the coal mine, the gas-slag mixture generated in the drilling construction process is effectively separated through the combined action of the separation tank, the pipeline, the spiral path extension plate, the guide shunting hole, the filter plate, the wave plate and the anti-blocking mechanism, the generation of dust is correspondingly avoided, the safety of underground coal mine production is improved, and the influence of the underground coal mine working environment on the health of workers is reduced.
Description
Technical Field
The invention relates to the technical field of slag-gas separation devices, in particular to an automatic slag-gas separation device and method for a coal mine.
Background
In recent years, with the increase of the mining depth of a coal mine, the situation of various complicated geological coal seams is more and more common, the difficulty of underground drilling construction of the coal mine is increased, particularly the treatment of slag chips in the drilling process is realized, at present, two main modes are adopted for treating the slag chips in the drilling construction process, one mode is that water is used as a medium to wash the slag chips out of a discharge hole, and the other mode is that wind power is used as a medium to carry the slag chips out of the discharge hole by utilizing wind current.
The method is characterized in that the slag is treated by using wind power as a medium in the drilling construction process of the soft and broken complex coal seam, the reason is that the problem of collapse of the infirm drilling wall can be caused in the slag flushing and discharging process by using the slag treatment mode using water as the medium, and the hole wall is collapsed to form a waste hole.
At present, in order to solve the problem that the dust exceeds the standard, a dust removal mode of spraying water or mist is mainly adopted, but the dust removal effect and the dust removal rate of the mode are not good, and the problem that the dust of a drilling site exceeds the standard cannot be fundamentally solved.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic slag-gas separation device and method for a coal mine, which are achieved by the following specific technical means: including the knockout drum, be provided with the feed inlet on the knockout drum, gas outlet and slag notch, feed inlet and gas outlet are connected respectively on the lateral wall of knockout drum, the slag notch is located the bottom of knockout drum, be provided with pipeline and heliciform route extension plate in the knockout drum, heliciform route extension plate solderless wrapped connection is on the pipeline and is located between the inside wall of pipeline and knockout drum, the upper end of pipeline is connected on the feed inlet, a plurality of direction diffluence holes have been seted up on the lateral wall of pipeline lower extreme, it has a plurality of cassette filters to peg graft on the heliciform route extension plate, be provided with the water filling port on the knockout drum, the wave board has been cup jointed on the pipeline, the wave board is located between direction diffluence hole and the heliciform route extension plate, be connected with between pipeline and the wave board and prevent blockking up mechanism.
The first preferred technical scheme is as follows: the knockout drum divide into two parts from top to bottom, and the connection of the jar body liftable of upper portion is on the jar body of lower part, and pipeline fixed connection is convenient for carry out the testing and maintenance and with trading the knockout drum inner structure on the jar body of upper portion.
The preferred technical scheme is as follows: the filter disc is a filter screen, a nozzle used for cleaning the filter screen is arranged on the inner side wall of the separation tank, and the nozzle is connected to the water filling port to wash the filter screen, so that the using time of the filter screen is prolonged.
The preferred technical scheme is three: the spiral path extension plate is connected to the pipeline in a sliding mode, the upper end face of the filter sheet is connected to the spiral path extension plate in a sliding mode in an inserting mode, and the separated gas is filtered again.
The preferable technical scheme is four: a plurality of direction reposition of redundant personnel hole falls into the vertical row hole that a plurality of interval is the same, and vertical row hole is along the circumference evenly distributed of pipeline, makes the water mixture that the sediment bits in the gas sediment mixture can be abundant be in the same place, has improved the efficiency of gas sediment separation.
The preferred technical scheme is five: the wave plates are annular, and the waves are diffused outwards from the circle center.
The preferred technical scheme is six: the anti-blocking mechanism comprises an incomplete ring, a connecting rod, a sliding plate, a fixed shaft, a floating plate and an elastic piece, the floating plate is connected to the wave plate in a sliding mode through the fixed shaft, the elastic piece is sleeved on the fixed shaft and located between the floating plate and the wave plate, the sliding plate is fixedly connected to the floating plate and connected to the fixed shaft in a sliding mode, the incomplete ring is inserted into the pipeline in a sliding mode and corresponds to the guide shunting holes, two ends of the connecting rod are connected to the incomplete ring and the sliding plate in a rotating mode respectively, and the situation that the guide shunting holes are blocked is effectively avoided.
The automatic slag-gas separation method for the coal mine is completed by matching with an automatic slag-gas separation device for the coal mine, and comprises the following steps of:
s1: and in the preparation stage, a certain amount of water is injected into the separation tank from the water injection port, and the water level is between the guide flow-dividing hole and the wave plate.
S2: after S1, in the drilling process, the gas-slag mixture with pressure enters the water from the lower port of the pipeline and the guide diversion hole through the feed inlet and the pipeline for separation treatment, the separated slag and the water are mixed to form a water-slag mixture, and the separated gas is discharged from the gas outlet along the spiral path extension plate.
And S3, discharging the water-slag mixture through a slag outlet after the drilling construction is finished, and cleaning the separation tank.
The invention has the following beneficial effects: 1. according to the automatic slag-gas separation device and method for the coal mine, the gas-slag mixture generated in the drilling construction process is effectively separated through the combined action of the separation tank, the pipeline, the spiral path extension plate, the guide shunting hole, the filter plate, the wave plate and the anti-blocking mechanism, the generation of dust is correspondingly avoided, the safety of underground coal mine production is improved, and the influence of the underground coal mine working environment on the health of workers is reduced.
2. The anti-blocking mechanism for the automatic slag-gas separation device and the method for the coal mine can effectively prevent the guide flow distribution hole from being blocked, ensure the normal operation of gas-slag separation, correspondingly improve the efficiency and the effect of gas-slag separation, do not need manual participation and have higher automation degree.
3. According to the automatic slag-gas separation device and method for the coal mine, the water activity can be increased through the anti-blocking mechanism, and the effect of mixing water and slag scraps is correspondingly improved.
4. The automatic slag-gas separation device and the method for the coal mine can adjust the gas pressure to a certain degree through the combined action of the pipeline and the spiral path extension plate, and avoid the condition that the gas-slag separation efficiency is influenced even the gas-slag separation is carried out in a reverse flow mode due to overlarge gas pressure.
5. According to the automatic slag-gas separation device and method for the coal mine, part of gas after gas-slag separation can be contacted with water again for secondary separation through the wave plate, and the gas-slag separation rate is improved to a certain extent.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a partial sectional structural schematic view of the separator tank of the present invention.
Fig. 3 is an enlarged view of the invention at a in fig. 2.
FIG. 4 is a schematic view of the connection structure of the incomplete ring and the pipeline.
Fig. 5 is a schematic top view of the wave plate of the present invention.
Fig. 6 is a sectional view of the invention taken along section a-a in fig. 5.
Fig. 7 is a schematic view of the connection structure of the wave plate and the pipeline according to the present invention.
In the figure: 1. a separation tank; 2. a feed inlet; 3. an air outlet; 4. a slag outlet; 5. a pipeline; 6. a spiral path extension plate; 7. guiding the shunting hole; 8. a filter disc; 9. a water injection port; 10. a wave plate; 11. an anti-clogging mechanism; 111. an incomplete circle; 112. a connecting rod; 113. a sliding plate; 114. a fixed shaft; 115. a floating plate; 116. an elastic member; 12. and (4) a spray head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, an automatic slag-gas separating device for coal mines comprises a separating tank 1, a feed inlet 2, a gas outlet 3 and a slag outlet 4 are arranged on the separating tank 1, the feed inlet 2 and the gas outlet 3 are respectively connected on the side wall of the separating tank 1, the slag outlet 4 is arranged at the bottom of the separating tank 1, an electric control knife gate valve for controlling the on-off of the slag outlet 4 is arranged on the slag outlet 4, a pipeline 5 and a spiral path extension plate 6 are arranged in the separating tank 1, the spiral path extension plate 6 is connected on the pipeline 5 and is arranged between the pipeline 5 and the inner side wall of the separating tank 1, the pipeline 5 is welded on the separating tank 1 and is arranged at the center of the separating tank 1, the upper end of the pipeline 5 is connected on the feed inlet 2, a plurality of guide shunting holes 7 are arranged on the side wall of the lower end of the pipeline 5, the plurality of guide shunting holes 7 are divided into a plurality of vertical discharge holes with the same interval, and the vertical discharge holes are evenly distributed along the circumferential direction of the pipeline 5, the gas-slag mixture injected into the water can be transversely guided in a shunting way by utilizing the plurality of guiding shunting holes 7, so that the gas-slag mixture can be interactively mixed with the water in a multidirectional and multipoint way, slag chips in the gas-slag mixture can be fully mixed with the water, the gas-slag separation efficiency is improved, the spiral path extension plate 6 is inserted with the plurality of filter sheets 8, the spiral path extension plate 6 guides the air flow separated by the gas-slag and prolongs the flowing path of the air flow to be combined with the use of the filter sheets 8, the gas-slag separation device has the advantages that the flowing air flow is filtered again, the gas-slag separation effect is further improved, the water injection port 9 is arranged on the separation tank 1, the electric control ball valve used for controlling the on-off of the water injection port 9 is installed on the water injection port 9, the wave plate 10 is sleeved on the pipeline 5, the wave plate 10 is located between the guiding and shunting hole 7 and the spiral path extension plate 6, and the anti-blocking mechanism 11 is connected between the pipeline 5 and the wave plate 10.
Referring to fig. 1, the separation tank 1 is divided into an upper part and a lower part, the upper part of the tank body is connected to the lower part of the tank body in a lifting mode, the pipeline 5 is fixedly connected to the upper part of the tank body, the upper part of the tank body can be driven by the electric lifting rod to control the connection and separation of the upper part of the tank body and the lower part of the tank body, and the internal structure of the separation tank 1 can be conveniently detected, maintained and replaced.
Referring to fig. 1, the filter sheet 8 is a filter screen sheet, a nozzle 12 for cleaning the filter screen sheet is arranged on the inner side wall of the separation tank 1, the nozzle 12 is connected to the water filling port 9 through a connecting pipe, an on-off control switch is arranged between the nozzle 12 and the water filling port 9, the on-off control switch is started as required, and the nozzle 12 is used for spraying water to the filter screen sheet to clean the filter screen sheet.
Referring to fig. 2, the spiral path extension plate 6 is slidably connected to the pipe 5 and can move a certain distance under a certain strength of air flow, so that the problem that the air pressure is too high to affect the efficiency of gas-slag separation and even cause reverse flow is avoided, the upper end surface of the filter sheet 8 is slidably inserted into the spiral path extension plate 6, the lower end surface of the filter sheet 8 keeps a certain distance from the spiral path extension plate 6, and the filter material can smoothly flow down along the spiral path extension plate 6 in the cleaning process of the filter sheet 8.
Referring to fig. 4 and 5, the wave plate 10 is annular, and the corrugations are diffused outward from the center of the circle, and a wave blocking surface formed by the wave plate 10 applies a blocking force to the gas which flows upward through the gas-slag separation, so that the flow direction of the gas changes, and a part of the gas is in secondary contact with water, and then the slag and the dust in the gas are separated again.
Referring to fig. 3 and 4, the anti-clogging mechanism 11 includes an incomplete ring 111, a connecting rod 112, a sliding plate 113, a fixing shaft 114, a floating plate 115 and an elastic member 116, the floating plate 115 is slidably connected to the wave plate 10 through the fixing shaft 114, the elastic member 116 is sleeved on the fixing shaft 114 and is located between the floating plate 115 and the wave plate 10, the sliding plate 113 is fixedly connected to the floating plate 115 and is slidably connected to the fixing shaft 114, the incomplete ring 111 is slidably inserted into the pipeline 5 and corresponds to the guiding diversion hole 7, and two ends of the connecting rod 112 are rotatably connected to the incomplete ring 111 and the sliding plate 113 respectively.
The working principle is as follows: in the process of separating the gas-slag mixture by the automatic slag-gas separating device for the coal mine, the gas-slag mixture generated in the drilling construction process sequentially enters the water through the feed inlet 2 and the pipeline 5, at the moment, slag chips are mixed with the water, gas is separated from the water due to low density and poor water solubility and flows upwards to pass through the spiral path extension plate 6 to be discharged from the gas outlet 3, bubbles are generated on the surface of the water in the process of separating the gas from the water, the floating plate 115 floating on the water surface can slide upwards for a certain distance along the fixed shaft 114 under the action of the bubbles, the sliding plate 113 can be synchronously driven to slide in the sliding process, the incomplete ring 111 is driven to move upwards through the connecting rod 112 in the upward sliding process of the sliding plate 113, as shown in figure 4, at the moment, the incomplete ring 111 is limited by the pipeline 5 to slide on the pipeline 5, one end of the floating plate 115 moves towards the guiding and shunting hole 7 in the pipeline 5, plugs in the hole can be ejected out, the guiding and shunting hole 7 is prevented from being blocked, when bubbles disappear, the floating plate 115 does reset motion under the action of gravity and the elastic piece 116 and can vibrate to a certain degree due to the action of inertia, and the bubbles can be continuously and discontinuously generated in the gas-slag separation process, so that the incomplete ring 111 can continuously and discontinuously perform the reciprocating motion, the blocking situation of the guiding and shunting hole 7 can be effectively avoided, the normal gas-slag separation is ensured, the gas-slag separation rate and the separation effect are correspondingly improved, meanwhile, the activity of water can be increased in the motion process of the incomplete ring 111, the connecting rod 112, the sliding plate 113 and the floating plate 115, the mixing effect of the water and slag chips is further improved, the wavy plate 10 can be encountered in the process of upward flow of gas and water separation, under wave board 10's effect, partial gas can carry out the secondary contact with water, can carry out the secondary separation to the remaining cinder bits of gaseous internal band, later gaseous spiral path extension plate 6 of flowing through combines the effect of filter 8 to carry out filtration once more to gas, further improvement the effect of gas-slag separation rate and separation, to sum up, carry out effectual separation through the gas-slag mixture to the production in the drilling work process, reduce the production of dust, corresponding improvement the security of colliery downhole production, reduce the influence of mine downhole work environment to staff's health.
Secondly, when the drilling work is finished, the slag-water mixture is discharged through the slag hole 4, the floating plate 115 loses the buoyancy of water in the discharging process, the floating plate 115, the sliding plate 113 and the connecting rod 112 all move downwards under the action of gravity, as shown in fig. 3, at the moment, one end of the incomplete ring 111, which is positioned outside the pipeline 5, moves towards the inside of the guide shunting hole 7 and is blocked in the guide shunting hole 7, and the phenomenon that the slag-water mixture blocks the guide shunting hole 7 to influence the separation of gas and slag at the back in the discharging process is avoided.
The automatic slag-gas separation method for the coal mine is completed by matching with an automatic slag-gas separation device for the coal mine, and comprises the following steps of:
s1: in the preparation stage, the electric control ball valve is opened, a certain amount of water is injected into the separation tank 1 from the water injection port 9, the water level is between the guide diversion hole 7 and the wave plate 10, a water level sensor or a liquid level switch can be arranged to monitor the water level, and when the water level reaches the preset height, the electric control ball valve is connected according to the monitoring result.
S2: after S1 is completed, during the drilling process, the pressurized gas-slag mixture enters the water through the inlet 2 and the pipe 5 from the lower port of the pipe 5 and the guiding diversion hole 7 for separation treatment, the separated slag and water are mixed to form a slag-water mixture, the separated gas flows upwards through the wave plate 10 and is discharged from the outlet 3 along the spiral path extension plate 6, and the gas can be filtered and separated again during the process.
And S3, discharging the water-slag mixture through the slag outlet 4 after the drilling construction is finished, and then injecting water into the separation tank 1 through the water injection port 9 to wash the tank wall.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an automatic sediment gas separator for coal mine, includes knockout drum (1), is provided with feed inlet (2), gas outlet (3) and slag notch (4) on knockout drum (1), its characterized in that: be provided with pipeline (5) and heliciform route extension plate (6) in knockout drum (1), heliciform route extension plate (6) are connected on pipeline (5) and are located between pipeline (5) and knockout drum (1) inside wall, the upper end of pipeline (5) is connected on feed inlet (2), a plurality of direction diffluence orifices (7) have been seted up on the lateral wall of pipeline (5) lower extreme, it has a plurality of cassette (8) to peg graft on heliciform route extension plate (6), be provided with water filling port (9) on knockout drum (1), wave plate (10) have been cup jointed on pipeline (5), wave plate (10) are located between direction diffluence orifice (7) and heliciform route extension plate (6), be connected with between pipeline (5) and wave plate (10) and prevent blockking up mechanism (11).
2. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the feed inlet (2) and the gas outlet (3) are respectively connected to the side wall of the separation tank (1), and the slag outlet (4) is located at the bottom of the separation tank (1).
3. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the separating tank (1) is divided into an upper part and a lower part, the upper part is connected to the lower part in a lifting manner, and the pipeline (5) is fixedly connected to the upper part.
4. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the filter disc (8) is a filter mesh, a spray head (12) used for cleaning the filter mesh is arranged on the inner side wall of the separating tank (1), and the spray head (12) is connected to the water filling port (9).
5. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the spiral path extension plate (6) is connected to the pipeline (5) in a sliding mode, and the upper end face of the filter disc (8) is connected to the spiral path extension plate (6) in a sliding mode in an inserting mode.
6. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the guide shunting holes (7) are divided into a plurality of vertical row holes with the same interval, and the vertical row holes are uniformly distributed along the circumferential direction of the pipeline (5).
7. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the wavy plates (10) are annular, and the waves are diffused outwards from the circle center.
8. The automatic slag-gas separation device for the coal mine according to claim 1, characterized in that: the anti-blocking mechanism (11) comprises an incomplete ring (111), a connecting rod (112), a sliding plate (113), a fixing shaft (114), a floating plate (115) and an elastic piece (116), wherein the floating plate (115) is connected to the wave plate (10) in a sliding mode through the fixing shaft (114), the elastic piece (116) is sleeved on the fixing shaft (114) and located between the floating plate (115) and the wave plate (10), the sliding plate (113) is fixedly connected to the floating plate (115) and connected to the fixing shaft (114) in a sliding mode, the incomplete ring (111) is inserted into the pipeline (5) in a sliding mode and corresponds to the guiding diversion hole (7), and two ends of the connecting rod (112) are connected to the incomplete ring (111) and the sliding plate (113) in a rotating mode respectively.
9. The automatic slag-gas separation method for the coal mine is completed by matching the automatic slag-gas separation device for the coal mine according to claim 1, and comprises the following steps of:
s1: in the preparation stage, a certain amount of water is injected into the separation tank (1) through a water injection port (9), and the water level is between the guide diversion hole (7) and the wave plate (10);
s2: after S1, in the drilling construction process, the gas-slag mixture with pressure enters water from the lower port of the pipeline (5) and the guide diversion hole (7) through the feed inlet (2) and the pipeline (5) for separation treatment, the separated slag and water are mixed to form a water-slag mixture, and the separated gas is discharged from the gas outlet (3) along the spiral path extension plate (6);
and S3, discharging the water-slag mixture through a slag outlet (4) after the drilling construction is finished.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115582164A (en) * | 2022-09-13 | 2023-01-10 | 沈阳煤炭科学研究所有限公司 | Automatic dust treatment system for mining full-face tunneling |
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| CN115582164A (en) * | 2022-09-13 | 2023-01-10 | 沈阳煤炭科学研究所有限公司 | Automatic dust treatment system for mining full-face tunneling |
| CN115582164B (en) * | 2022-09-13 | 2023-05-30 | 沈阳煤炭科学研究所有限公司 | Automatic dust treatment system for mining full-face tunneling |
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