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 PDFInfo
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- 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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- sump
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- 239000003245 coal Substances 0.000 title claims abstract description 196
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000005065 mining Methods 0.000 title claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 20
- 238000003801 milling Methods 0.000 claims abstract description 11
- 230000000630 rising effect Effects 0.000 claims 1
- 230000032258 transport Effects 0.000 abstract description 73
- 238000002360 preparation method Methods 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000012736 aqueous medium Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 239000003250 coal slurry Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- 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
- E21F13/00—Transport specially adapted to underground conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
Landscapes
- 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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659308.XA CN110388229A (en) | 2019-07-22 | 2019-07-22 | The pipeline of the double resources of coal-water in coal mining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659308.XA CN110388229A (en) | 2019-07-22 | 2019-07-22 | The pipeline of the double resources of coal-water in coal mining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110388229A true CN110388229A (en) | 2019-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910659308.XA Pending CN110388229A (en) | 2019-07-22 | 2019-07-22 | The pipeline of the double resources of coal-water in coal mining system |
Country Status (1)
| Country | Link |
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| CN (1) | CN110388229A (en) |
Cited By (2)
| 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 |
Citations (3)
| 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 |
-
2019
- 2019-07-22 CN CN201910659308.XA patent/CN110388229A/en active Pending
Patent Citations (3)
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 北京煤矿设计院: "水力采煤矿井煤水仓形式的调查和分析", 《煤矿设计》 * |
Cited By (2)
| 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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Application publication date: 20191029 |
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| RJ01 | Rejection of invention patent application after publication |