CN110388229A - The pipeline of the double resources of coal-water in coal mining system - Google Patents

The pipeline of the double resources of coal-water in coal mining system Download PDF

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Publication number
CN110388229A
CN110388229A CN201910659308.XA CN201910659308A CN110388229A CN 110388229 A CN110388229 A CN 110388229A CN 201910659308 A CN201910659308 A CN 201910659308A CN 110388229 A CN110388229 A CN 110388229A
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CN
China
Prior art keywords
coal
water
pipeline
transport
sump
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Pending
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CN201910659308.XA
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Chinese (zh)
Inventor
曹胜根
都书禹
李江
王星瑶
张云
赵长政
万通
王纪军
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Priority to CN201910659308.XA priority Critical patent/CN110388229A/en
Publication of CN110388229A publication Critical patent/CN110388229A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00Transport specially adapted to underground conditions
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F16/00Drainage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/04Units comprising pumps and their driving means the pump being fluid driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention discloses a kind of pipelines of the double resources of coal-water in coal mining system, mining area sump are arranged in the bottom position in exploiting field, the mine water that will be dispersed in exploiting field is pooled to mining area sump by gutter and transports mine water using sump pressure pump.The lower section setting coal crushing device of district coal bin milling coal hole is to coal crushing.The mine water of sump pressure pump pumping is mixed with the coal being crushed through coal crushing device by coal water mixing tee.Mixed coal water is promoted to ground sedimentation basin through the coal water lines in mining conveying tunnel and transport pedestrian's well (auxiliary shaft).Coal-water mixture completes the separation of coal and water in sedimentation basin, and the water after separation is transported by pipeline to sewage treatment plant, and the coal after separation is transported to coal preparation plant by mine truck.The present invention transports mine water and coal resources to pipeline transportation mode simultaneously, reduces main shaft and roadway opening cost, while reducing coal and mine water transportation cost.

Description

The pipeline of the double resources of coal-water in coal mining system
Technical field
The present invention relates to a kind of pipelines of the double resources of coal-water in coal mining system.
Background technique
Under current coal overall situation, reducing cost of ton coal is coal mining enterprise's means mostly important in competition tide. Wherein during coal mining at this stage, coal transportation system is mostly Belt transport, needs the cooperation transport of Belt transport tunnel, The driving of required haulage drift and the maintenance cost of maintenance, transporting equipment are high, and power supply and drain on manpower and material resources are big, because This, which can be reduced the expense consumed when Coal Transport, can greatly improve the benefit of coal enterprise.Water is as the essential money of mankind's activity Even far more than coal resources, the occupancy volume per person of China's water resource is only 1/4 that the world is worth per capita for its value of source, status, and And distributing inhomogeneity, coal resources and water resource are in contrary distribution, and this phenomenon is particularly evident in China mine of western, and China is big Moulded coal mine is distributed in western part mostly, wherein the problems such as most mining areas water shortage results in local desertification, domestic water is difficult.According to system Meter, the discharge amount of national mine water in recovery process is up to more than 70 hundred million m3, mine water resource has mankind's activity indispensable Effect, but mine water based on crevice water recycles and not perfect, such as water in gob area mine water is not abundant Using being lost in vain.In current coal mining, the reasonable of mine water resource utilizes the attention that people have been obtained, mine Water promoted upper well by after purification for enterprise or resident using at the normal mode of coal mine, but single transport drain to Coal mining enterprise's bring economic value is very little, how to make full use of function of the mine water resource in transport particularly important.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome defect of the existing technology, provide a kind of coal mine and open The pipeline of the double resources of coal-water in extraction system, the present invention using pipeline transport altogether mode instead of tape transport system and Main shaft simplifies Coal Transportation roadway layout, reduces cost when Coal Transport, while improving in mine water resource transport Well bring economic value.It realizes and improves the double goal that coal mine benefit rationally recycles water resource simultaneously.
For achieving the above object, technical solution proposed by the present invention is the double moneys of coal-water in a kind of coal mining system Coal water on the pipeline in source, including mining area sump, sump pressure pumping plant, coal crushing device, coal water mixing tee, well Boosting pumping station and sedimentation basin.It is characterized in that:
The bottom position in exploiting field is arranged in the mining area sump, and sump pressure pumping plant is located at by mining area sump, and sump pressure pump is inhaled The mouth of a river is accessed in the mine water of mining area sump.The feed inlet of the coal crushing device setting connects district coal bin milling coal hole.It is described The first interface of coal water mixing tee connects coal crushing device discharge port, and the second interface of coal water mixing tee passes through fortune water pipe Road connects sump pressure pump water outlet.The third interface of the coal water mixing tee by be laid on exploiting field rail transport tunnel, The coal water lines connection of exploiting field haulage cross-cut, rail transport main entry and transport pedestrian's well (auxiliary shaft of corresponding common Development system) The water inlet of the elevator pump of coal water Boosting pumping station on well.The water outlet of the elevator pump of the coal water Boosting pumping station accesses sedimentation basin. The discharge outlet of sedimentation basin meets sewage treatment plant by pipeline.
The coal water lines are divided into according to roadway layout direction: entry horizontal pipeline, is hung down at inclined shaft inclination pipeline Straight tunnel three kinds of forms of vertical duct.It is helical form in the vertical duct, is lump coal in pipe although increasing transportation route Vertical transport provides possibility in road.
Transporting the coal slurry that lump coal and smalls are formed in pipeline inevitably will cause plugging phenomenon, thus in coal water pipe Spacing in road according to setting is provided with several impeller units, for preventing coal blocking pipeline, is optimally placed in coal water lines Junction, it is same its purpose is that for impeller maintenance provides convenience when used for a long time later.The impeller of the impeller unit has two Kind working condition: idling conditions and autorotation, wherein idling conditions is to pass through rushing for water flow when transport and small pressure The rotation of power impeller;Autorotation is to make its active rotation by motor impeller.The rotation of impeller can make in pipeline Water flow in the shape of a spiral, is in suspended state when making coal long in an aqueous medium, prevent plugging phenomenon from occurring.This is managed during maintenance Mine water is only transported on road, and the coal left accidentally in Lai Qingli pipeline further avoids the appearance of plugging phenomenon.
The sedimentation basin for coal and water separate, pond face are laid with coal filter screen, and coal-water mixture passes through in sedimentation basin It stands, the separation of pressurization completion coal and water, the water that lower layer position is located at after filtering is transported by pipeline is delivered to sewage treatment plant, coal Coal is placed in truck by crane lifting filter screen and is transported to coal preparation plant.
Present system is set to transport preparation stage, underground transportation stage and surface transportation stage.
(1) in transport preparation stage, mine water transit route are as follows: → coal of going down the hill on mine water → sump → exploiting field of dispersion Water mixing tee.The water conservancy of adjacent several coal working faces is self-possessed by the drainage channel arranged in the haulage drift of exploiting field It is collected in unified mining area sump, sump pressure pumping plant is set at mining area sump, water pipe is commonly transported by Coal Transportation Mine water is pumped to the coal water mixing tee at the milling coal hole of exploiting field by road.Coal Transport route are as follows: working face → district coal bin slips Coal eye → coal crushing device → coal water mixing tee.The coal that coalcutter produces on working face passes through drag conveyor and glue Band transporter is transported to district coal bin, coal is sent into coal crushing device by milling coal hole, coal and mine after crushing Water converges.
(2) in underground transportation stage, coal-water transport route are as follows: (coal water mixing tee) → exploiting field track at coal water mixing Haulage drift → exploiting field haulage cross-cut → rail transport main entry → transport pedestrian's well.Broken coal and water are through coal water mixing tee It after mixing, is transported into coal water lines, coal water lines arrangement is consistent with mine haul, discharge refuse route, along exploiting field track pedestrian On go down the hill transport through exploiting field haulage cross-cut, by well in rail transport main road haulage, which transports coal water using pipeline Mix resource.
It is in vertical working transport that coal water lines arrangement is spiral, although increasing transportation route, exist for lump coal Vertical transport provides possibility in pipeline.
(3) in surface transportation stage, transit route are as follows: transport pedestrian's well → sedimentation basin → sewage treatment plant/coal preparation plant.Coal Water lines transport well from pedestrian and extend to ground sedimentation basin progress coal and water separate, and the water after separation is transported by ground upper pipeline to dirt Used after water treatment plant's purification for mine or mining area surrounding resident, the coal after separation by truck transport to coal preparation plant carry out into The processing of one step sorts.
By the present invention in that substituting original tape transport system with the pipe-line system that coal and water transport jointly, realize complete The transport of process coal pipeline, reduces transportation cost, greatly reduces tunnel and expense that main shaft is tunneled, built, safeguarding, and The consumption of Belt transport equipment realizes the transport of overall process pipeline after the combination of coal water, reduces transportation cost, while coal water is mixed Influence of the dust for haulage drift is eliminated after conjunction, provides the operating environment of health for worker.In addition, the system is in underground Haulage stage realizes full pipeline transport, and structure is simple and easy to control, provides new approaches for intelligent coal mine transport.
Detailed description of the invention
Fig. 1 is the pipeline schematic diagram of coal mining system of the present invention and the double resources of coal-water.
Fig. 2 is helical form vertical duct structural schematic diagram in coal water lines of the present invention.Wherein :(a) figure is that coal water lines are thin Schematic diagram is saved, (b) figure is helical form vertical duct structural schematic diagram.
Fig. 3 is impeller unit schematic diagram in coal water lines of the present invention.
Fig. 4 is sedimentation basin coal and water separate process schematic of the present invention.
Description of symbols
1- pedestrian transports well, the shaft station 2-, 3- rail transport main entry, the exploiting field 4- haulage cross-cut, 5- mining area sump, under the exploiting field 6- Portion parking lot, 7- rail transport are gone up a hill, 8- working section sub station, and the exploiting field 9- return air is gone up a hill, 10- district coal bin, 11- milling coal hole, 12- coal Charcoal crushing device, 13- coal water mixing tee, 14- section haulage way, 15- section tailgate, the goaf 16-, 17- work Face, the exploiting field 18- top parking lot, 19- hoist house, the exploiting field 20- windstone gate, 21- return air main entry, 22- windstone gate, 23- ventilating shaft, 24- sedimentation basin, 25- coal preparation plant, 26- sewage treatment plant, 29- helical form vertical duct, 30- impeller, 31- impeller direction of rotation, 32- coal filter screen, 33- crane, 34- truck, 35- filter screen are coaling charcoal.
Specific embodiment
With reference to the accompanying drawings and examples, invention is further described in detail.
Embodiment:
As shown in Figure 1, being gone up a hill for the mining system of exploiting field by vertical exploiting colliery using longwall is moved towards, wherein Development system is saved Main shaft is fallen, only setting transport pedestrian's well (being equivalent to auxiliary shaft), eliminates Belt transport main entry.
The pipeline of the double resources of coal-water in coal mining system of the present invention, including mining area sump 5, sump pressure Pumping plant, coal crushing device 12, coal water mixing tee 13, coal water Boosting pumping station and sedimentation basin 24 on well.
The bottom position in exploiting field lower part parking lot 6 is arranged in the mining area sump 5, and sump pressure pumping plant is located at mining area sump 5 Side, sump pressure pump water sucking mouth are accessed in the water of mining area sump.The coal crushing device 12 is arranged under district coal bin 10 Side, the feed inlet that coal crushing device 12 is arranged connect district coal bin milling coal hole 11.The first interface of the coal water mixing tee 13 Coal crushing device discharge port is connected, the second interface of coal water mixing tee connects the water outlet of sump pressure pump by fortune water lines Mouthful.The third interface of the coal water mixing tee is transported by being laid on exploiting field rail transport tunnel (rail transport is gone up a hill) 7, exploiting field The coal water lines of defeated crossdrift 4, rail transport main entry 3 and transport pedestrian's well (auxiliary shaft of corresponding common Development system) 1 connect well The water inlet of the elevator pump of upper coal water Boosting pumping station.The water outlet of the elevator pump of the coal water Boosting pumping station accesses sedimentation basin 24. The discharge outlet of sedimentation basin meets sewage treatment plant 26 by pipeline.
The coal water lines are divided into: entry horizontal pipeline, inclined shaft tilt pipeline, vertical working vertical duct three Kind form.As shown in Fig. 2, the vertical duct is helical form vertical duct 29, although increasing transportation route, exist for lump coal Vertical transport provides possibility in pipeline.
As shown in figure 3, transporting the coal slurry that block and smalls are formed in pipeline inevitably will cause plugging phenomenon, it is This spacing in coal water lines according to setting is provided with several impeller units, best to place for preventing coal blocking pipeline It is same its purpose is that for impeller maintenance provides convenience when used for a long time later in coal water lines junction.The impeller unit The tool of impeller 30 is there are two types of working condition: idling conditions and autorotation, wherein idling conditions be when transport and small pressure, It is rotated by the impulse force impeller of water flow;Autorotation is to make its active rotation by motor impeller.The rotation of impeller It can make water flow in pipeline in the shape of a spiral, suspended state is in when making coal long in an aqueous medium, prevent plugging phenomenon from occurring.By It is not usually continuous in coal production, the maintenance of timing is needed daily, this pipeline only transports mine water during maintenance, comes clear The coal left accidentally in reason pipeline, prevents plugging phenomenon from occurring.
(1) in transport preparation stage, mine water transit route are as follows: → coal of going down the hill on mine water → sump → exploiting field of dispersion At water mixing, as shown in Figure 1.By the drainage channel arranged in the haulage drift of exploiting field by the water of adjacent several coal working faces It is collected in unified mining area sump using self weight, sump pressure pumping plant is set at mining area sump, it is common by Coal Transportation Fortune water lines mine water is pumped at the coal particle size screening device at the milling coal hole of exploiting field.Coal Transport route are as follows: working face At → district coal bin milling coal hole → coal crushing device → coal water mixing, as shown in Figure 1.The coal that coalcutter produces on working face Charcoal is transported by drag conveyor and belt conveyor to district coal bin, and coal is sent into coal crushing device by milling coal hole, Coal after broken converges with mine water.
Wherein the arrangement of sump should be the bottom position in exploiting field, and mine water is allow to flow to water using self weight by gutter Storehouse persistently provides water for transportation system, and the size of sump should be designed according to required displacement and inflow rate of mine water.In exploiting field coal Cang Liumeiyanchu arranges that coal crushing device, coal crushing device are Simple pulverizing device, will by mechanical equipment with pressure Bulk coal crushing.
(2) in underground transportation stage, coal-water transport route are as follows: at coal water mixing → exploiting field rail transport tunnel → exploiting field Haulage cross-cut → rail transport main entry → transport pedestrian's well is as shown in Figure 1.After broken coal and water mixing, transported into pipeline Defeated, pipeline arrangement is consistent with mining assistant conveyance route, and transport of going down the hill along the track pedestrian of exploiting field passes through through exploiting field haulage cross-cut Well in rail transport main road haulage, the stage whole process mix resource using pipeline transport coal water.
Wherein be responsible for specially the pressure match that its diameter of pipeline that coal-water transports jointly and live pumping plant provide be not easy it is excessive Or it is too small, material is high strength steel, and interior surface combination BA anti-corrosion lubriation material, pipeline is segmentation connection arrangement, such as Fig. 2 institute Show, average 10~15 meters of every segment length, piping connection form be it is detachable, overhauled for pipeline when used for a long time and convenience be provided.Pipe It is divided into three kinds of forms: entry transport, inclined shaft transport, vertical working transport after the combination of road, in vertical working transport Pipeline is done spiral, although increasing transportation route, for lump coal, vertical transport provides possibility in pipeline.
Transporting the coal slurry that block and smalls are formed in pipeline inevitably will cause plugging phenomenon, and system is in pipe thus A kind of impeller unit for preventing coal blocking pipeline is devised in road as shown in figure 3, the device in pipeline according to live coal The pressure size of transport is segmented according to a certain distance and places, and is optimally placed in line connection, equally its purpose is that after being Impeller maintenance when used for a long time provides convenience.Impeller is divided into two states: idling conditions and autorotation, wherein idling conditions It is to be rotated when transport and small pressure by the impulse force impeller of water flow;Autorotation is by motor impeller Make its active rotation.The rotation of impeller can make the water flow in pipeline in the shape of a spiral, in suspension when making coal long in an aqueous medium State, while impeller can also give one thrust of coal during contacting with coal, prevent plugging phenomenon from occurring.Due to coal production It is not usually continuous, the maintenance of timing is needed daily, this pipeline only transports mine water during maintenance, in Lai Qingli pipeline not The careful coal left prevents plugging phenomenon from occurring.
(3) in surface transportation stage, transit route are as follows: transport pedestrian's well → sedimentation basin → sewage treatment plant/coal preparation plant is such as Shown in Fig. 1.Coal water lines transport well from pedestrian and extend to the specific sedimentation basin in ground, using special filter screen by coal and water Water transport is transported to sewage treatment plant by ground upper pipeline and is used by purification for mine or mining area surrounding resident, by coal by separation Sorting is further processed by truck transport to coal preparation plant.
Wherein for the sedimentation basin arrangement of coal and water separate as shown in figure 4, pond face is laid with coal filter screen 32, coal-water mixture Filter screen in sedimentation basin by aperture less than 0.5mm stands, pressurizes and complete the separation of coal and water, is located at lower layer after filtering The water of position is delivered to sewage treatment plant by pipeline fortune, and coal is placed in truck by crane lifting filter screen and is transported to by coal Coal preparation plant.

Claims (4)

1. the pipeline of the double resources of coal-water in a kind of coal mining system, including mining area sump, sump pressure pumping plant, Coal water Boosting pumping station and sedimentation basin on coal crushing device, coal water mixing tee and transport pipeline, well;It is characterized in that:
The bottom position in exploiting field is arranged in the mining area sump, and sump pressure pumping plant is located at by mining area sump, utilizes sump pressure Pump transport mine water;The coal crushing device is arranged below district coal bin milling coal hole, and device feed inlet connects with milling coal hole; The first interface of the coal water mixing tee connects coal crushing device discharge port, and the second interface of coal water mixing tee passes through fortune Water lines connect sump pressure gargoyle of pumping station;The third interface of the coal water mixing tee is by being laid on mining conveying tunnel And the coal water lines of transport pedestrian's well (auxiliary shaft) connect the water inlet of the elevator pump of coal water Boosting pumping station on well;The coal water mentions The water outlet for rising the elevator pump of pumping plant accesses sedimentation basin.
2. the pipeline of the double resources of coal-water in coal mining system according to claim 1, it is characterized in that: institute Stating coal water lines, according to roadway layout direction to be divided into entry horizontal pipeline, inclined shaft inclination pipeline, vertical working vertical Three kinds of forms of pipeline;It is helical form in the vertical duct.
3. the pipeline of the double resources of coal-water in coal mining system according to claim 1, it is characterized in that: In The spacing of setting is provided with several impeller units in the coal water lines;There are two types of work for the impeller tool of the impeller unit State: idling conditions and autorotation, wherein idling conditions is to be turned in transport pressure hour by the impulse force impeller of water flow It is dynamic;Autorotation is to make its active rotation by motor impeller.
4. the pipeline of the double resources of coal-water in coal mining system according to claim 1, it is characterized in that: institute Sedimentation basin is stated, pond face is laid with coal filter screen.
CN201910659308.XA 2019-07-22 2019-07-22 The pipeline of the double resources of coal-water in coal mining system Pending CN110388229A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431283A (en) * 2020-11-27 2021-03-02 兖州煤业股份有限公司 Ditch cover plate for supporting underground transportation of trackless rubber-tyred vehicle
CN113404490A (en) * 2021-06-27 2021-09-17 中国矿业大学 Deep coal fluidization pipeline conveying system

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Publication number Priority date Publication date Assignee Title
GB128333A (en) * 1918-03-25 1919-06-26 Philippe Fougerolle Process for the Extraction, Transport and Removal of the Spoil in a Submarine or Sub-fluvial Tunnel.
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB128333A (en) * 1918-03-25 1919-06-26 Philippe Fougerolle Process for the Extraction, Transport and Removal of the Spoil in a Submarine or Sub-fluvial Tunnel.
CN2060456U (en) * 1989-10-17 1990-08-15 沈阳市环卫汽车改装厂 Coal gas waste water truck
CN2235503Y (en) * 1994-09-24 1996-09-18 张汉军 Hydraulic water power coal obtg. equipment

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431283A (en) * 2020-11-27 2021-03-02 兖州煤业股份有限公司 Ditch cover plate for supporting underground transportation of trackless rubber-tyred vehicle
CN113404490A (en) * 2021-06-27 2021-09-17 中国矿业大学 Deep coal fluidization pipeline conveying system

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