CN111550202A - Crawler-type coal water-gas separation and metering conveying device - Google Patents
Crawler-type coal water-gas separation and metering conveying device Download PDFInfo
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- CN111550202A CN111550202A CN202010554175.2A CN202010554175A CN111550202A CN 111550202 A CN111550202 A CN 111550202A CN 202010554175 A CN202010554175 A CN 202010554175A CN 111550202 A CN111550202 A CN 111550202A
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- 239000003245 coal Substances 0.000 title claims abstract description 186
- 238000000926 separation method Methods 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000003921 oil Substances 0.000 claims description 23
- 238000011010 flushing procedure Methods 0.000 claims description 18
- 239000010720 hydraulic oil Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 239000003818 cinder Substances 0.000 claims description 16
- 238000005553 drilling Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 210000002268 wool Anatomy 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
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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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
- G01F11/42—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type
- G01F11/46—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type for fluent solid material
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a crawler-type coal water-gas separating, metering and conveying device which is characterized by comprising a coal water-gas separating device, a metering device, a conveying device and a crawler traveling power device for providing power for the coal water-gas separating device, the metering device and the conveying device, wherein the coal water-gas separating device, the metering device and the conveying device are fixedly connected to the crawler traveling power device; the coal water gas inlet is connected with a coal water discharge port of a drill hole, coal water gas is extracted and then enters the metering device for metering statistics after being separated by the coal water gas separating device, and then the coal after being separated and counted is conveyed out by the conveying device.
Description
Technical Field
The invention belongs to the field of coal mining, and particularly relates to a crawler-type coal-water-gas separation and metering conveying device.
Background
The gas disaster is one of the most main disasters of high gas mines and coal and gas outburst mines, and is also one of the main bottlenecks restricting the production of the gas disaster. In a high-gas, coal and gas outburst mine (or coal bed) without a protective layer mining condition, the construction of drilling and pre-pumping coal bed gas is the most effective regional gas treatment measure, but for a mine with low gas permeability, large gas pressure and high content, anti-reflection measures such as hydraulic punching, hydraulic slotting and the like are still needed, the gas treatment progress is accelerated, the problem of low gas extraction efficiency is solved, and the purposes of pressure relief, anti-reflection and rapid outburst elimination are achieved. However, in the construction processes of hydraulic punching, hydraulic slotting and the like, a large amount of coal-water mixture flows out from the drilled holes, the coal flushing amount is generally collected by a cofferdam method at the present stage, the coal flushing amount is calculated by a volume method after being deposited for a certain time, and finally all the coal flushing amount is manually cleared and transported, the metering is rough, the requirement of precise metering cannot be met, the metering speed is slow, the requirement of rapid measurement of the on-site coal flushing amount cannot be met, the cleaning workload is large, the working strength of constructors is increased, the transportation cost is large, a large amount of time is consumed, and the physical and mental health of the constructors is seriously influenced due to poor on-site operation environment. And the coal water is not separated thoroughly, and the water containing coal dust enters the underground drainage system, so that the load of the sump slurry pump is increased, and the service life of the sump slurry pump is shortened. If the section that will influence the tunnel is not cleared up, be unfavorable for the ventilation and easily cause the gas increase in the tunnel, probably threaten site operation personnel's safety when serious.
Therefore, the crawler-type coal-water (gas) separating and metering conveying device can centrifugally rotate and fully stir a coal-water mixture, is convenient, quick and accurate to collect, accurately meters and automatically transports the coal flushing amount, can move along with the drilling hole position, and has great significance for accurately metering the coal flushing amount, avoiding the over-limit of gas and changing the field operation environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a crawler-type coal-water-gas separation and metering conveying device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a crawler-type coal water-gas separating and metering conveying device is characterized by comprising a coal water-gas separating device, a metering device, a conveying device and a crawler traveling power device for providing power for the coal water-gas separating device, the metering device and the conveying device, wherein the coal water-gas separating device, the metering device and the conveying device are fixedly connected to the crawler traveling power device;
the coal water gas inlet is connected with a coal water discharge port of the drill hole, the coal water gas is extracted and then enters the coal water gas separation device for separation, then enters the metering device for metering statistics, and then the coal after the separation statistics is conveyed out through the conveying device.
Furthermore, coal water gas separator includes that coal water gas receiving port, gas are taken out and are put mouth, gas separation case, flare opening and screw conveyer, coal water gas receiving port, gas are taken out and are put mouth, flare opening fixed connection respectively on gas separation case, flare opening bottom fixed connection is on screw conveyer's feed inlet, screw conveyer's discharge gate fixed connection is on metering device.
Further, screw conveyer includes feed inlet, discharge gate, water siphunculus, delivery port and is used for providing the first hydraulic motor of power, the screw conveyer surface is equipped with a plurality of through-holes, the water siphunculus parcel is in the screw conveyer periphery and covers the through-hole, water siphunculus bottom fixedly connected with delivery port, fixedly connected with outlet nozzle stub on the delivery port, fixedly connected with rivers mouth on the outlet nozzle stub.
Furthermore, the metering device comprises a metering box body and a control box fixedly connected to the metering box body, the top of the metering box is fixedly connected with a coal inlet pipe, the bottom of the metering box is fixedly connected with a coal outlet pipe, the coal inlet pipe and the coal outlet pipe are arranged in a staggered manner, the inner bearing of the metering box body is connected with a rotating mechanism, the rotating structure comprises a power device and a rotating operating rod, the rotating operating rod is connected with the inside of the metering box through a bearing, the power device is fixedly connected with the top of the metering box, the top of the rotary operating rod penetrates through the top of the metering box and is connected with the power output end of the pneumatic actuator, at least three blades are uniformly fixed on the periphery of the rotary operating lever, included angles formed between the blades are the same, the coal level sensor is fixed on the top of the metering box, and the bottom of the coal level sensor and the top of the metering box are located on the same horizontal plane.
Furthermore, the control box is internally and fixedly connected with a gas filter, an intrinsic safety type electromagnetic valve, a counter and a power supply conversion signal processor, the signal input end of the power supply conversion signal processor is connected to the coal level sensor, the signal output end of the power supply conversion signal processor is respectively connected to the signal input ends of the counter and the intrinsic safety type electromagnetic valve, the inlet of the intrinsic safety type electromagnetic valve is connected with the outlet of the gas filter, and the outlet of the intrinsic safety type electromagnetic valve is connected with the power device.
Furthermore, the conveying device comprises a conveyor, a second hydraulic motor, the second hydraulic motor provides power for the conveyor, and an inlet of the conveyor is fixedly connected with a coal outlet pipe of the metering device.
Further, the conveyer includes belt, belt frame, drive drum, driven pulley and two turnabout drums, drive drum one end and second hydraulic motor's power take off end fixed connection, drive drum, driven drum and two turnabout drums rotate to be connected in the belt frame, drive drum, driven drum and two turnabout drum outside covers are equipped with the belt.
Further, crawler travel power device includes tracked vehicle, base lid, explosion-proof machine hydraulic oil pump, oil tank, the oil-out of oil tank and the oil inlet fixed connection of explosion-proof machine hydraulic oil pump, explosion-proof machine hydraulic oil pump include explosion-proof machine, two hydraulic pumps, gyration connecting axle gyration axle sleeve, explosion-proof machine bottom fixed connection is covered at the base, and the power take off end of two hydraulic oil pumps is fixed connection respectively on first hydraulic motor and second hydraulic motor, gyration connecting axle both ends are fixed connection explosion-proof machine and hydraulic oil pump respectively, gyration connecting axle periphery bearing is connected with the gyration axle sleeve, base lid one side integrated into one piece has the arc draw-in groove, tracked vehicle top and base lid bottom fixed connection.
Furthermore, the number of the blade plates is four.
The use method of the crawler-type coal water-gas separation and metering conveying device comprises the following steps:
s1: the crawler is used for conveying the device to the position near a drill hole, so that the connection of pipelines such as power lines, gas source lines and the like is facilitated, and the coal cinder is transported outside;
s2: connecting a coal water gas receiving port to a coal water discharge port of a drilling orifice blowout preventer through a steel wire flexible rubber pipe, and connecting a gas drainage port to an underground temporary extraction pipeline through the steel wire flexible rubber pipe;
s3: connecting an underground compressed air system pipeline to a gas filter through a gas path hose;
s4: connecting a power supply conversion signal processor in the control box and a power supply of the explosion-proof motor with an underground power supply;
s5: connecting the water flow openings of the water outlet short pipes by using water drainage pipes, so that the water drainage pipes are connected with a nearby water drainage system and finally enter the underground water drainage system;
s6: further confirming a rotary operating rod controlled by a pneumatic actuator, wherein 1/4 in the box body divided by the blade plate completely corresponds to the coal inlet pipe at the upper end, and the 1/4 metering box body opposite to the coal inlet pipe completely corresponds to the coal outlet pipe at the bottom;
s7: stopping the empty mine car at the coal drop position of the conveyor, so that the measured coal flushing amount can be transported into the mine car through the conveyor;
s8: when a drilling hole begins to be subjected to hydraulic punching or hydraulic slotting permeability-increasing construction, a power supply of an explosion-proof motor is turned on, so that a spiral conveyor and a conveyor start to operate, a coal-water-gas mixture in the drilling hole enters a coal-water-gas receiving port of the device through a coal-water discharge port of a blowout preventer and is temporarily stored in a gas separation box, gas enters an underground temporary extraction pipeline through a gas suction port, and the coal-water mixture enters the spiral conveyor through the coal-water-gas separation device; the water in the coal-water mixture is centrifugally rotated and fully stirred by the blades of the screw conveyer, and then finally enters the underground drainage system through the water outlet short pipe and the drainage pipeline; the coal slag in the coal-water mixture enters the metering box body through the coal outlet after being centrifugally rotated and fully stirred by the blades of the screw conveyer;
s9: when the coal cinder reaches 1/4 of the volume of the metering box, the coal level sensor immediately releases a coal quantity signal and transmits the coal quantity signal to the power supply conversion signal processor in the control box 27, the power supply conversion signal processor respectively transmits the coal quantity signal to the counter and the intrinsic safety type electromagnetic valve, and the counter starts to count; the intrinsic safety type electromagnetic valve drives a pneumatic actuator to enable a rotary operating lever of the metering box to rotate 90 degrees anticlockwise, a blade arranged on the rotary operating lever drives an 1/4 metering box which is full of coal to rotate anticlockwise, an empty 1/4 metering box restarts to receive the coal amount of a coal outlet pipe, and a counter finishes a counting operation; when the coal slag reaches 1/4 of the volume of the metering box again, the coal level sensor releases a coal quantity signal and the coal quantity signal is transmitted to the counter and the intrinsic safety type electromagnetic valve through the power supply conversion signal processor in the control box, the counter accumulates the count, the intrinsic safety type electromagnetic valve drives the pneumatic actuator to enable the rotary operating lever of the metering box to rotate 90 degrees again, the blade plate arranged on the rotary operating lever drives the 1/4 metering box which is full of coal and the 1/4 metering box which is to receive the coal quantity to rotate anticlockwise, and the operation is repeated until the anti-reflection measure construction is finished;
s10: the coal charging quantity is the product of the measurement number N (N = end reading j-start reading i) of the counter and the volume of the 1/4 metering box;
s11: the cinder from the coal outlet pipe of the metering box enters the empty mine car through the conveyor.
By adopting the technical scheme, the invention has the beneficial effects that:
the device has compact structure, strong flexibility and maneuverability, can move along with the position of the drill hole, can fully stir and centrifugally rotate and separate a coal-water mixture in the hydraulic punching or hydraulic slotting process, and the water with less coal content enters a drainage system, so that the coal flushing amount is precisely measured and automatically transported to a coal outlet system, the requirement of precise measurement is met, the device is convenient, quick, accurate to collect, precisely measure and automatically transport, has great significance for precisely measuring the coal flushing amount, avoiding the over-limit of gas and changing the field operation environment, lightens the working strength of underground constructors and ensures the safety of the underground constructors.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the coal-water-gas separation device and the metering device of the present invention;
FIG. 4 is a top view of the coal-water-gas separation device and metering device of the present invention;
FIG. 5 is a top plan view of the metering box of the present invention;
FIG. 6 is a bottom view of the metering box of the present invention;
FIG. 7 is a cross-sectional view of the metering box of the present invention;
FIG. 8 is a front view of the delivery device of the present invention;
FIG. 9 is a front view of the track power unit of the present invention;
FIG. 10 is a top plan view of the crawler travel power unit of the present invention;
fig. 11 is an electrical schematic of the metering device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments as follows:
therefore, the following detailed description of the embodiments of the present invention, provided in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments, which can be obtained by those skilled in the art based on the embodiments of the present invention without inventive faculty, are within the scope of the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.
In conjunction with fig. 1-2:
a crawler-type coal water-gas separating, metering and conveying device comprises four parts, namely a coal water-gas separating device 1, a metering device 6, a conveying device 3 and a crawler traveling power device 4, wherein the coal water-gas separating device 1, the metering device 6 and the conveying device 3 are compactly connected to form a set of separating, metering and conveying integrated device and are fixedly arranged on a base cover 46 of the crawler traveling power device 4;
as shown in fig. 3-7:
in this embodiment, the coal water gas separation device 1 includes a coal water gas receiving port 7, a gas drainage port 8, a gas separation box 9, and a funnel port 10; the coal water gas receiving port 7 is connected with a coal water discharge port of the drilling orifice blowout preventer through a steel wire flexible rubber pipe, so that the coal flushing amount in the drilling can enter the device; the gas drainage port 8 is connected with an underground gas temporary extraction pipeline through a steel wire flexible rubber pipe, so that gas which is gushed along with the coal flushing amount can be extracted in time; the funnel opening 10 of the coal-water-gas separating device 1 is fixedly connected with the feed opening 15 at the rear end of the screw conveyor 5 through a butt flange 11 by bolts, so that the coal-water mixture can enter the screw conveyor 5 for next separation.
In the embodiment, the upper part of the lower end of the screw conveyer 5 is provided with a feeding hole 15, the lower part of the upper end is provided with a discharging hole 17, the lower part of the middle part is densely provided with through holes with the length of about 200mm and the diameter of 0.2mm, the periphery of the through hole is wrapped by a water outlet through pipe 14 and is tightly connected with the screw conveyer 5, the inner diameter of the water outlet through pipe 14 is slightly larger than the outer diameter of the screw conveyer 5, coal-water mixture rotates centrifugally and is fully stirred in the inner blade of the screw conveyer 5, water can pass through the through hole and then enter a water outlet short pipe 13 from a water outlet 16 through the water outlet through pipe 14 by utilizing the gravity principle, the water enters a downhole drainage system through a water outlet 24 through a drainage pipe, one end of the water outlet short pipe 13 is connected with the water outlet 16 through a water outlet flange 21, the other end of the water outlet short pipe 13 is connected with a base cover 46 of, coal can flow out of the discharge port 17 and enter the metering device 6 for metering; the centrifugal rotational power of the screw conveyor 5 is provided by a first hydraulic motor 19 at its top end.
In this embodiment, the metering device 6 includes a metering box 26, a control box 27, and a metering box support 28; the upper end of the metering box 26 is provided with a coal inlet pipe 29 which is connected with the discharge hole 17 of the screw conveyor 5 by a coal outlet pipe flange 25, the lower end of the metering box is fixedly connected with a coal outlet pipe 30, so that the coal flushing quantity enters the conveying device 3 after being metered, and the coal inlet pipe 29 and the coal outlet pipe 30 are arranged at the round part of the metering box 1/4 in a staggered manner; a rotary operating rod 31 is arranged in the middle of the inside of the metering box 26, four blades 32 are arranged on the rotary operating rod 31 in a mutually perpendicular and mutually spliced mode, and the blades 32 divide the metering box 26 into four parts with equal volume; the rotary joystick 31 is controlled by a pneumatic actuator 33, the pneumatic actuator 33 rotating the rotary joystick 31 by 90 ° anticlockwise each time; the coal level sensor 34 in the metering box 26 is arranged beside the coal inlet pipe 29 and is used for detecting whether the coal cinder discharged from the coal outlet 17 reaches 1/4 of the metering box body; the control box 27 comprises a gas filter 35, an intrinsic safety type electromagnetic valve 36, a counter 37 and a power supply conversion signal processor 57; the power supply conversion signal processor 57 can change the underground power supply into a 24V power supply to supply power to the intrinsic safety type electromagnetic valve 36 and the counter 37, or can respectively transmit the coal quantity signal to the counter 37 and the intrinsic safety type electromagnetic valve 36, and the gas filter 35 provides a gas source for the intrinsic safety type electromagnetic valve 36 and the pneumatic actuator 33 through the underground compressed air system pipeline through the gas path hose; when the coal charging amount reaches 1/4 of the volume of the metering box, the coal level sensor 34 immediately releases a coal amount signal and transmits the coal amount signal to the power supply conversion signal processor 57 in the control box 27, the power supply conversion signal processor 57 respectively transmits the coal amount signal to the counter 37 and the intrinsic safety type electromagnetic valve 36, and the counter 37 starts to count; the intrinsic safety type electromagnetic valve 36 drives the pneumatic actuator 33 to enable the rotary operating lever 31 of the metering box 26 to start to rotate 90 degrees anticlockwise, the blades 32 arranged on the rotary operating lever 31 drive the 1/4 metering box body fully filled with the coal cinder to rotate anticlockwise, an empty 1/4 metering box body is enabled to start to be connected with the wool groups of the metering coal outlet pipe 30 again, and the counter 37 finishes a counting operation; when the coal charging amount reaches 1/4 of the volume of the metering box again, the coal level sensor 34 releases a coal amount signal and transmits the coal amount signal to the counter 37 and the intrinsic safety type electromagnetic valve 36 through the power supply conversion signal processor 57, the counter 37 counts in an accumulated manner, the intrinsic safety type electromagnetic valve 36 drives the pneumatic actuator 33 to enable the rotating control lever 31 of the metering box to rotate 90 degrees again, the blade plate 32 arranged on the rotating control lever 31 drives the 1/4 metering box filled with the coal cinder and the 1/4 metering box to be filled with the coal cinder to rotate anticlockwise, and the operation is repeated in a circulating manner until the construction of anti-reflection measures is finished; the lower end of the measuring box support 28 is fixedly connected with the base cover 46 of the crawler belt walking power device 4 through bolts, and the upper end of the measuring box support is fixed at the lower end of the measuring box 26, so that the whole body plays a certain bearing role on the screw conveyor 5.
As shown in fig. 8:
in this embodiment, the conveying device 3 includes a conveyor 38, a second hydraulic motor 39; the conveyor 38 comprises a belt 40, a belt frame 41, a driving roller 42, a driven roller 43 and two direction-changing rollers 44, wherein a second hydraulic motor 39 is mounted at one end of the driving roller 42 to provide rotary power for the conveyor 38, and the two direction-changing rollers 44 are set according to the position of an oil tank 48, so that the whole device is compact and space-saving; the lower part of the upper end of the belt frame 41 is fixed on an oil tank 48 through bolts, the lower end of the belt frame is fixedly connected with a base cover 46 of the crawler traveling and power system 4 through bolts, and baffles are arranged on the belt 40 at equal intervals, so that the coal flushing amount can be conveyed upwards along the conveyor 38.
As shown in fig. 9-10:
in this embodiment, the crawler traveling power device 4 includes a crawler 45, a base cover 46, an explosion-proof motor hydraulic oil pump assembly 47, and an oil tank 48, wherein an oil inlet 49 is formed in the upper end of the oil tank 48, the oil inlet 49 is also used as an oil return port (the oil returns to the oil tank 48 after being cooled by a cooler during oil return), an oil outlet 50 is formed in the lower end of the side surface, and the oil tank 48 supplies oil to the explosion-proof motor hydraulic oil pump assembly 47 through the oil outlet 50; the hydraulic oil pump assembly 47 of the explosion-proof motor comprises an explosion-proof motor 51, 2 hydraulic oil pumps 52, a rotary connecting shaft 53 and a rotary shaft sleeve 54, wherein the base of the explosion-proof motor 51 is fixed on a base cover 46 through bolts, the hydraulic oil pumps 52 respectively provide power for a hydraulic motor 19 of a screw conveyer 5 in the coal-water-gas separation device 1 and a hydraulic motor 39 of a conveyer 38 in the conveyer 3, the rotary connecting shaft 53 is connected with the explosion-proof motor 51 and the hydraulic oil pumps 52, and the rotary shaft sleeve 54 is installed outside; the base cover 46 is provided with an arc-shaped fixing groove for fixing the screw conveyor 5; the crawler 45 is bolted to the base cover 46 by two cross beam tie plates 55.
In this embodiment, an oil level gauge 56 is provided outside the oil tank 48.
The device is used according to the following steps:
s1: the crawler 45 is used for conveying the device to the position near a drill hole, so that the connection of pipelines such as power lines, gas source lines and the like is facilitated, and the coal cinder is transported outwards;
s2: connecting a coal water gas receiving port 7 to a coal water discharge port of a drilling orifice blowout preventer through a steel wire flexible rubber pipe, and connecting a gas pumping and releasing port 8 to an underground temporary pumping pipeline through the steel wire flexible rubber pipe;
s3: connecting the underground compressed air system pipeline to the gas filter 35 through a gas path hose;
s4: the power supply of the power supply conversion signal processor 57 and the explosion-proof motor 51 in the automatic control box 27 is connected with the underground power supply;
s5: connecting the water flow ports 24 of the water outlet short pipes 13 by using drainage pipelines, so that the drainage pipelines are connected with a nearby drainage system and finally enter the underground drainage system;
s6: further confirming that the rotary operating lever 31 controlled by the pneumatic actuator 33 enables 1/4 divided by the blade 32 into the metering box 26 to completely correspond to the upper end coal inlet 29, and the opposite 1/4 to completely correspond to the coal metering outlet 30;
s7: stopping the empty mine car at the coal drop position of the conveyor 38, so that the measured coal cinder can be transported into the mine car through the conveyor 38;
s8: when a drilling hole starts to be constructed by anti-reflection measures such as hydraulic punching or hydraulic slotting, a power supply of an anti-explosion motor 51 is turned on, so that the spiral conveyor 5 and the conveyor 38 start to operate, a coal-water-gas mixture in the drilling hole enters a coal-water-gas receiving port 7 of the device through a coal-water discharge port of the anti-blowout device and is temporarily stored in a gas separation box 9, gas enters an underground temporary extraction pipeline through a gas suction and discharge port 8, and the coal-water mixture enters the spiral conveyor 5 through a coal-water-gas separation device system 1; the water in the coal-water mixture is centrifugally rotated and fully stirred by blades of the screw conveyor 5, and finally enters the underground drainage system through a drainage pipeline through a water outlet short pipe 13; the coal slag in the coal-water mixture enters the metering box body 26 through the discharge port 17 after being centrifugally rotated and fully stirred by the blades of the screw conveyer 5;
s9: when the coal cinder reaches 1/4 of the volume of the metering box, the coal level sensor 34 immediately releases a coal quantity signal and transmits the coal quantity signal to the power supply conversion signal processor 57 in the control box 27, the power supply conversion signal processor 57 respectively transmits the coal quantity signal to the counter 37 and the intrinsic safety type electromagnetic valve 36, and the counter 37 starts to count; the intrinsically safe electromagnetic valve 36 drives the pneumatic actuator 33 to enable the rotary operating lever 31 of the metering box 26 to start to rotate 90 degrees anticlockwise, the blade 32 arranged on the rotary operating lever 31 drives the 1/4 metering box filled with the cinder to rotate anticlockwise, the empty 1/4 metering box starts to receive the cinder of the coal outlet 30 again, and the counter 37 finishes one counting operation; when the coal charging amount reaches 1/4 of the volume of the metering box again, the coal level sensor 34 releases a coal amount signal and transmits the coal amount signal to the counter 37 and the intrinsic safety type electromagnetic valve 36 through the power supply conversion signal processor 57 in the automatic control box 27, the counter 37 counts in an accumulated manner, the intrinsic safety type electromagnetic valve 36 drives the pneumatic actuator 33 to enable the rotating control rod 31 of the metering box to rotate 90 degrees again, the blade plate 32 arranged on the rotating control rod 31 drives the 1/4 metering box filled with coal cinder and the 1/4 metering box to be filled with coal amount to rotate anticlockwise, and the cycle is repeated until the anti-reflection measure construction is finished;
s10: the coal charge is the product of the current number N (N = end reading j-start reading i) of the counter 37 and the 1/4 batch tank volume (the batch tank 26 volume is measured in advance);
s11: the coal flushing amount of the coal leakage outlet of the metering box enters the empty mine car through the Z-shaped conveyor 38, and the empty mine car is required to be replaced in time when the mine car is about to be full (reaching 4/5 of the volume of the mine car), and finally the empty mine car is transported outside in a centralized manner; and a scraper conveyor can also be connected, so that the coal flushing amount enters a nearby coal conveying system through the conveyor 38 and then through the scraper conveyor, the operation of replacing a mine car is omitted, the labor force is saved, and the working efficiency is improved.
In this embodiment: in fig. 11, a is 660V power supply for supplying power to a downhole system, b is a compressed air pipeline for supplying air source to an intrinsic safety type electromagnetic valve and a power mechanism, c is a coal quantity signal, d is 24V power supply for supplying power to the intrinsic safety type electromagnetic valve and a counter, e is an air inlet pipeline for supplying air source from the intrinsic safety type electromagnetic valve to the power device, f is an air return pipeline for returning the air source in the power device to the intrinsic safety type electromagnetic valve, and g is a rotation action signal for controlling the rotation of the rotation operating lever.
The method for transmitting the sensor signal to the coal level sensor 34 and controlling the valve to open and close in the present example is a technical means known in the art, the coal level sensor 34 is an GUJ15 mine intrinsic safety type coal level sensor, and the power supplies of the coal level sensor 34, the intrinsic safety type electromagnetic valve 36 in the control box 27 and the counter 37 are all provided by the power supply conversion signal processor 57 in the control box converting 380V low voltage electricity into 24V power supply.
The power supply switching signal processor in the device is a power supply switching device and a signal processing device, and the technical means for providing power supply and related signals for the counter, the intrinsic safety type electromagnetic valve through the power supply switching device and the signal processing device are known in the field, and the description of the application is omitted.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A crawler-type coal water-gas separating and metering conveying device is characterized by comprising a coal water-gas separating device, a metering device, a conveying device and a crawler traveling power device for providing power for the coal water-gas separating device, the metering device and the conveying device, wherein the coal water-gas separating device, the metering device and the conveying device are fixedly connected to the crawler traveling power device;
the coal water gas inlet is connected with a coal water discharge port of the drill hole, the coal water gas is extracted and then enters the coal water gas separation device for separation, then enters the metering device for metering statistics, and then the coal after the separation statistics is conveyed out through the conveying device.
2. The crawler-type coal-water-gas separating and metering conveying device according to claim 1, wherein the coal-water-gas separating device comprises a coal-water-gas receiving opening, a gas drainage opening, a gas separating box, a funnel opening and a spiral conveyor, the coal-water-gas receiving opening, the gas drainage opening and the funnel opening are respectively and fixedly connected to the gas separating box, the bottom of the funnel opening is fixedly connected to a feeding opening of the spiral conveyor, and a discharging opening of the spiral conveyor is fixedly connected to the metering device.
3. The crawler-type coal water-gas separation and metering conveying device according to claim 2, wherein the spiral conveyor comprises a feeding hole, a discharging hole, a water through pipe, a water outlet and a first hydraulic motor for providing power, a plurality of through holes are formed in the outer surface of the spiral conveyor, the water through pipe wraps the periphery of the spiral conveyor and covers the through holes, the bottom of the water through pipe is fixedly connected with the water outlet, a water outlet short pipe is fixedly connected to the water outlet, and a water flow port is fixedly connected to the water outlet short pipe.
4. The crawler-type coal-water-gas separating, metering and conveying device according to claim 1, wherein the metering device comprises a metering box body and a control box fixedly connected to the metering box body, a coal inlet pipe is fixedly connected to the top of the metering box body, a coal outlet pipe is fixedly connected to the bottom of the metering box body, the coal inlet pipe and the coal outlet pipe are arranged in a staggered manner, a rotating mechanism is connected to an inner bearing of the metering box body, the rotating mechanism comprises a power device and a rotating operating rod, the rotating operating rod is connected to the inside of the metering box body through a bearing, the power device is fixedly connected to the top of the metering box body, the top of the rotating operating rod penetrates through the top of the metering box body and is connected to a power output end of a pneumatic actuator, at least three blade plates are uniformly fixed to the periphery of the rotating operating rod, included angles formed among the blade plates, the bottom of the coal level sensor and the top of the metering box are located on the same horizontal plane.
5. The crawler-type coal water-gas separating and metering conveying device according to claim 4, wherein a gas filter, an intrinsically safe solenoid valve, a counter and a power supply conversion signal processor are fixedly connected in the control box, a signal input end of the power supply conversion signal processor is connected to the coal level sensor, a signal output end of the power supply conversion signal processor is respectively connected to the counter and a signal input end of the intrinsically safe solenoid valve, an inlet of the intrinsically safe solenoid valve is connected with an outlet of the gas filter, and an outlet of the intrinsically safe solenoid valve is connected with a power device.
6. The crawler-type coal water gas separating and metering conveying device according to claim 1, wherein the conveying device comprises a conveyor, a second hydraulic motor, the second hydraulic motor provides power for the conveyor, and an inlet of the conveyor is fixedly connected with a coal outlet pipe of the metering device.
7. The crawler-type coal water gas separating and metering conveying device of claim 6, wherein the conveyor comprises a belt, a belt frame, a driving roller, a driven roller and two direction-changing rollers, one end of the driving roller is fixedly connected with a power output end of the second hydraulic motor, the driving roller, the driven roller and the two direction-changing rollers are rotatably connected in the belt frame, and the belt is sleeved outside the driving roller, the driven roller and the two direction-changing rollers.
8. The crawler-type coal water gas separating and metering conveying device of claim 1, the crawler walking power device comprises a crawler, a base cover, an explosion-proof motor hydraulic oil pump assembly and an oil tank, the oil outlet of the oil tank is fixedly connected with the oil inlet of the explosion-proof motor hydraulic oil pump, the explosion-proof motor hydraulic oil pump assembly comprises an explosion-proof motor, two hydraulic oil pumps, a rotary connecting shaft and a rotary shaft sleeve, the bottom of the explosion-proof motor is fixedly connected to the base cover, the power output ends of the two hydraulic oil pumps are respectively and fixedly connected to the first hydraulic motor and the second hydraulic motor, the two ends of the rotary connecting shaft are respectively and fixedly connected with an explosion-proof motor and a hydraulic oil pump, the periphery of the rotary connecting shaft is connected with a rotary shaft sleeve through a bearing, the crawler is characterized in that an arc-shaped clamping groove is integrally formed in one side of the base cover, and the top of the crawler is fixedly connected with the bottom of the base cover.
9. The tracked coal water separation and metering conveyor device of claim 4, wherein the number of said vanes is four.
10. The use method of the crawler-type coal-water-gas separation and metering conveying device is characterized by comprising the following steps of:
s1: the crawler is used for conveying the device to the position near a drill hole, so that the connection of pipelines such as power lines, gas source lines and the like is facilitated, and the outward transportation of the coal flushing amount is facilitated;
s2: connecting a coal water gas receiving port to a coal water discharge port of a drilling orifice blowout preventer through a steel wire flexible rubber pipe, and connecting a gas drainage port to an underground temporary extraction pipeline through the steel wire flexible rubber pipe;
s3: connecting an underground compressed air system pipeline to a gas filter through a gas path hose;
s4: connecting a power supply conversion signal processor in the control box and a power supply of the explosion-proof motor with an underground power supply;
s5: connecting the water flow openings of the water outlet short pipes by using water drainage pipes, so that the water drainage pipes are connected with a nearby water drainage system and finally enter the underground water drainage system;
s6: further confirming a rotary operating rod controlled by a pneumatic actuator, wherein 1/4 in the box body divided by the blade plate completely corresponds to the coal inlet pipe at the upper end, and the 1/4 metering box body opposite to the coal inlet pipe completely corresponds to the coal outlet pipe at the bottom;
s7: stopping the empty mine car at the coal drop position of the conveyor, so that the measured coal flushing amount can be transported into the mine car through the conveyor;
s8: when a drilling hole begins to be subjected to hydraulic punching or hydraulic slotting permeability-increasing construction, a power supply of an explosion-proof motor is turned on, so that a spiral conveyor and a conveyor start to operate, a coal-water-gas mixture in the drilling hole enters a coal-water-gas receiving port of the device through a coal-water discharge port of a blowout preventer and is temporarily stored in a gas separation box, gas enters an underground temporary extraction pipeline through a gas suction port, and the coal-water mixture enters the spiral conveyor through the coal-water-gas separation device; the water in the coal-water mixture is centrifugally rotated and fully stirred by the blades of the screw conveyer, and then finally enters the underground drainage system through the water outlet short pipe and the drainage pipeline; coal in the coal-water mixture enters the metering box body through the coal outlet after being centrifugally rotated and fully stirred by the blades of the screw conveyer;
s9: when the coal charging amount reaches 1/4 of the volume of the metering box, the coal level sensor immediately releases a coal amount signal and transmits the coal amount signal to the power supply conversion signal processor in the control box 27, the power supply conversion signal processor respectively transmits the coal amount signal to the counter and the intrinsic safety type electromagnetic valve, and the counter starts to count; the intrinsic safety type electromagnetic valve drives a pneumatic actuator to enable a rotary operating lever of the metering box body to rotate 90 degrees anticlockwise, a blade plate arranged on the rotary operating lever drives the 1/4 metering box body filled with the cinder to rotate anticlockwise, the empty 1/4 metering box body starts to receive the cinder of the coal outlet pipe again, and the counter finishes one-time counting operation; when the coal charging amount reaches 1/4 of the volume of the metering box again, the coal level sensor releases a coal amount signal and transmits the coal amount signal to the counter and the intrinsic safety type electromagnetic valve through the power supply conversion signal processor in the control box, the counter accumulates the count, the intrinsic safety type electromagnetic valve drives the pneumatic actuator to enable the rotary operating lever of the metering box to rotate 90 degrees again, the blade plate arranged on the rotary operating lever drives the 1/4 metering box filled with the coal cinder and the 1/4 metering box to be filled with the coal amount to rotate anticlockwise, and the operation is repeated in a circulating mode until the construction of the permeability-increasing measure is finished;
s10: the coal charging quantity is the product of the measurement number N (N = end reading j-start reading i) of the counter and the volume of the 1/4 metering box;
s11: the coal flushing amount discharged from the coal outlet pipe of the metering box enters the empty mine car through the conveyor.
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