CN111520156B - Energy-gathering jet rock breaking and fluidization carrying system and method - Google Patents

Energy-gathering jet rock breaking and fluidization carrying system and method Download PDF

Info

Publication number
CN111520156B
CN111520156B CN202010363286.5A CN202010363286A CN111520156B CN 111520156 B CN111520156 B CN 111520156B CN 202010363286 A CN202010363286 A CN 202010363286A CN 111520156 B CN111520156 B CN 111520156B
Authority
CN
China
Prior art keywords
filling
water
stone
rock
jet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010363286.5A
Other languages
Chinese (zh)
Other versions
CN111520156A (en
Inventor
刘送永
崔松
崔玉明
崔新霞
李洪盛
张德义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Zhongji Mine Equipment Co ltd
Original Assignee
China University of Mining and Technology CUMT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Mining and Technology CUMT filed Critical China University of Mining and Technology CUMT
Priority to CN202010363286.5A priority Critical patent/CN111520156B/en
Publication of CN111520156A publication Critical patent/CN111520156A/en
Application granted granted Critical
Publication of CN111520156B publication Critical patent/CN111520156B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/10Making by using boring or cutting machines
    • E21D9/1066Making by using boring or cutting machines with fluid jets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C19/00Other disintegrating devices or methods
    • B02C19/06Jet mills
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • E21C41/18Methods of underground mining; Layouts therefor for brown or hard coal
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/12Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E21D9/126Loading devices or installations
    • 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
    • E21F13/002Crushing devices specifically for conveying in mines
    • 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
    • E21F13/06Transport of mined material at or adjacent to the working face
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/005Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/02Supporting means, e.g. shuttering, for filling-up materials
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/08Filling-up hydraulically or pneumatically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Food Science & Technology (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention discloses an energy-gathered jet rock breaking and fluidization carrying system and a method, and the system comprises a pulse energy-gathered jet heading machine, a water-stone separation system, a stone crushing system, a stone pumping system and a filling coal mining hydraulic support, wherein the pulse energy-gathered jet heading machine comprises a pulse energy-gathered jet generating system, a loading part, a transferring part and a walking part; the invention is simple and easy to implement, adopts the pulse energy-gathered jet flow tunneling machine to crush the rock, can improve the rock crushing efficiency and reduce the dust amount, adopts the fluidization technology to carry the water-stone mixture, improves the tunneling efficiency of the rock roadway, directly conveys the crushed stone to the coal mine goaf for filling, can effectively reduce the ground collapse, reduces the goaf filling cost and improves the tunneling efficiency of the coal mine roadway.

Description

Energy-gathering jet rock breaking and fluidization carrying system and method
Technical Field
The invention relates to the field of roadway excavation, in particular to a cumulative jet rock breaking and fluidization carrying system and method.
Background
The hard rock roadway excavation is widely applied to engineering construction of coal mine roadways, traffic tunnels, hydraulic tunnels, municipal tunnels and the like, the total length of newly excavated roadways of key coal mines in China reaches over 12000km every year, wherein the rock roadway accounts for about 30 percent, and more than 95 percent of coal mine rock roadway excavation is carried out by adopting a drilling and blasting method, but the conventional drilling and blasting method has the prominent problems of poor roadway periphery forming, low efficiency, poor safety and the like.
At present, coal gangue is mostly used for filling a coal mine goaf in coal mining in China, but the coal gangue or coal gangue powder hydrate is conveyed from the ground to the underground for filling, a large amount of manpower, material resources and financial resources are consumed, and along with the gradual mining of deep coal resources in China, the filling effect of the coal gangue is not ideal under the condition of high ground stress.
Disclosure of Invention
Aiming at the technical defects, the invention aims to provide an energy-gathered jet rock breaking and fluidization carrying system and method, which can utilize pulse energy-gathered jet to break rock, quickly load and transport generated broken stones and waste water, avoid broken stones and accumulated water accumulation on a rock working face, realize quick tunneling of a rock roadway, directly convey the broken stones to a coal mine goaf to be filled through pneumatic conveying, and achieve the purpose of efficient and environment-friendly coal mining.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides an energy-gathered jet rock breaking and fluidization carrying system which comprises a pulse energy-gathered jet tunneling machine, a water-stone separating system, a stone crushing system, a stone pumping system and a filling coal mining hydraulic support, wherein the pulse energy-gathered jet tunneling machine is provided with a pulse energy-gathered jet generating system, a loading part, a transferring part and a walking part, the water-stone separating system, the stone crushing system and the stone pumping system are connected together through belt transmission, the filling coal mining hydraulic support is arranged at a coal mining working face, a bottom-discharge type scraper conveyor is arranged on the rear side of the filling coal mining hydraulic support, a plurality of uniformly distributed filling pipes are arranged between the bottom-discharge type scraper conveyor and a filling body, the directions of the filling pipes all point to the filling body and are respectively connected with the stone pumping system through feeding pipes, the.
Preferably, the water supply system comprises a high-pressure pump, a water inlet and a water outlet of the high-pressure pump are respectively connected with a water tank and the pulse energy-gathering jet flow generation system, the high-pressure pump is electrically connected with the power supply system, and the water tank is communicated with the water delivery pump room through a water delivery pipeline.
Preferably, the wastewater treatment system comprises a wastewater bin arranged in the roadway, and wastewater generated in the water-stone separation system is conveyed to the wastewater bin through another water conveying pipeline.
Preferably, the water-stone separation system, the stone crushing system and the stone pumping system are arranged at the rear side of the pulse energy-gathering jet tunneling machine.
Preferably, the number of filling tubes is determined according to the area of the filling body on site.
The invention also provides a using method of the energy-gathered jet rock breaking and fluidization carrying system, which specifically comprises the following steps:
a. firstly, starting a water feeding pump room arranged on the ground to provide a water source for a pulse energy-gathered jet flow tunneling machine, normally working the pulse energy-gathered jet flow tunneling machine to crush rocks at a certain point on a rock working surface, adjusting the position of a pulse energy-gathered jet flow generating system, and crushing a new target until the rock in the whole target area is crushed;
b. the method comprises the following steps that waste water and crushed stones are conveyed to a water-stone separation system through a loading part and a transfer part which are installed on a pulse energy-gathered jet flow heading machine, wherein the separated crushed stones are conveyed to a stone crushing system for crushing, the crushed stones are conveyed to a filling body area of a coal face through a stone pumping system and a conveying pipeline, and the separated waste water is conveyed to a waste water bin through a water conveying pipeline;
c. cutting coal according to a conventional coal mining method, spraying broken stones to a designated area of a filling body through a filling pipe, and tamping and filling the broken stone pile of the filling body by using a bottom discharge type scraper conveyor arranged on the rear side of a filling coal mining hydraulic support;
d. repeating the step b to finish the tamping filling of one step pitch;
e. and (4) after filling is completed at one step, moving the filling coal mining hydraulic support, the bottom discharge type scraper conveyor and the filling pipe forwards, repeating the steps a, b, c and d, and performing coal mining filling on the next step until filling of all goafs of the whole coal mining working face is completed.
Preferably, the crushed stone of the stone crushing system has the particle size of not more than 20 mm.
Preferably, in step b, the crushed stone is pneumatically conveyed to a filling body area of the coal face through a feeding pipeline by a stone pumping system.
The invention has the beneficial effects that:
1. by adopting a pulse energy-gathering jet technology, a high-frequency water hammer pressure can be generated on the surface of the rock by utilizing an energy-gathering nozzle and a pulse jet, cracks are generated in the rock, and the rock is further quickly crushed; compared with the traditional rock breaking mode, the technology does not need to carry out a drilling process in advance, the dust amount can be greatly reduced during rock breaking, the water consumption is low, the rock breaking efficiency is higher, and the rapid excavation of a rock roadway can be realized.
2. Adopt fluidization technique to carry out quick loading and transportation to the water stone mixture that broken back rock working face rubble and waste water formed, avoid during operation rock working face to produce rubble and pile up and ponding, carry water stone mixture to water stone piece-rate system after, the rubble is further broken into the littleer rubble of particle size, through building stones pumping system, adopts the pneumatic conveying mode, utilizes fluidization technique to carry the rubble to the coal mine goaf and does further processing.
3. Directly conveying crushed stone generated on a rock working face to a coal mine goaf in a fluidized manner under the shaft, and tamping and filling the filling body crushed stone by using a bottom-discharge scraper conveyor; compared with the traditional goaf filling mode, the goaf filling mode has the advantages that filling materials such as waste rocks do not need to be conveyed from the ground to the underground, goaf filling cost is reduced, filling efficiency is greatly improved, more stable support is provided for a coal mine roof, the risk of ground collapse is reduced, and meanwhile the goaf filling mode is simple in process and convenient to operate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall structural layout diagram of a rapid tunnel excavation system according to an embodiment of the present invention;
FIG. 2 is a structural layout diagram of a water-stone separating system, a stone crushing system and a stone pumping system in the embodiment of the invention;
fig. 3 is an overall work flow chart of a use method of the rapid tunnel excavation system in the embodiment of the invention.
In the figure: 1. a water pump house; 2. a wastewater bin; 3. a water delivery pipeline; 4. a feed line; 5. a power supply system; 6. a water tank; 7. a high pressure pump; 8. a pulse energy-gathered jet flow tunneling machine; 8-1, a walking part; 8-2, a loading part; 8-3, a pulse energy-gathered jet generating system; 8-4, a transport portion; 9. a water-stone separation system; 10. a stone crushing system; 11. a stone pumping system; 12. a rock face; 13. a coal face; 14. filling a coal mining hydraulic support; 15. a bottom discharge scraper conveyor; 16. a filling pipe; 17. and (4) filling the filler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, an energy-gathered jet rock breaking and fluidization carrying system comprises a pulse energy-gathered jet flow development machine 8 provided with a pulse energy-gathered jet flow generation system 8-3, a loading part 8-2, a transfer part 8-4 and a walking part 8-1, and also comprises a filling coal mining hydraulic support 14 arranged at a coal face 13, and a water-stone separation system 9, a stone crushing system 10 and a stone pumping system 11 which are arranged at the rear side of the pulse energy-gathered jet flow development machine 8 and are connected together through belt transmission, wherein the water-stone separation system 9 adopts a common stone crushing screening machine and a waste water collector to work in a combined manner, the stone crushing system 10 adopts a PEF150 x 250 jaw crusher, and the stone pumping system 11 adopts a stone pneumatic conveyor; the rear side of the filling coal mining hydraulic support 14 is provided with a bottom-discharge type scraper conveyor 15, a plurality of uniformly distributed filling pipes 16 are arranged between the bottom-discharge type scraper conveyor 15 and a filling body 17, the directions of the filling pipes 16 all point to the filling body 17 and are respectively connected with a stone pumping system 11 through a feeding pipeline 4, a pulse energy-gathering jet tunneling machine 8 is externally connected with a water supply system, and a water-stone separation system 9 is connected with a wastewater treatment system.
The water supply system comprises a high-pressure pump 7, a water inlet and a water outlet of the high-pressure pump 7 are respectively connected with a water tank 6 and a pulse energy-gathering jet flow generating system 8-3, the high-pressure pump 7 is electrically connected with a power supply system 5, and the water tank 6 is communicated with the water supply pump room 1 through a water conveying pipeline 3.
The wastewater treatment system comprises a wastewater bin 2 arranged in a roadway, and wastewater generated in the water-stone separation system 9 is conveyed to the wastewater bin 2 through another water conveying pipeline 3.
The number of the filling pipes 16 is determined according to the area of the filling body 17 on site.
The embodiment also provides a using method of the energy-gathered jet rock breaking and fluidization carrying system, which specifically comprises the following steps:
a. firstly, starting a water feeding pump room 1 arranged on the ground to provide a water source for a pulse energy-gathered jet flow tunneling machine 8, enabling the pulse energy-gathered jet flow tunneling machine 8 to normally work to crush rocks at a certain point of a rock working surface 12, adjusting the position of a pulse energy-gathered jet flow generating system 8-3, and crushing a new target until the crushing of rocks in the whole target area is completed;
b. the waste water and the crushed stones are conveyed to a water-stone separation system 9 through a loading part 8-2 and a transfer part 8-4 which are arranged on a pulse energy-gathered jet tunneling machine 8, wherein the separated crushed stones are conveyed to a stone crushing system 10 for crushing, the crushed stones are conveyed to a filling body 17 area of a coal face 13 through a stone pumping system 11 and a conveying pipeline 4, and the separated waste water is conveyed to a waste water bin 2 through a water conveying pipeline 3;
c. cutting coal according to a conventional coal mining method, spraying broken stones to a designated area of a filling body 17 through a filling pipe 16, and tamping and filling a broken stone pile of the filling body 17 by using a bottom-discharge type scraper conveyor 15 arranged on the rear side of a filling coal mining hydraulic support 14;
d. repeating the step b to finish the tamping filling of one step pitch;
e. and after filling is completed at one step, moving the filling coal mining hydraulic support 14, the bottom discharge type scraper conveyor 15 and the filling pipe 16 forwards, repeating the steps a, b, c and d, and performing coal mining filling on the next step until filling of all goafs of the whole coal face 13 is completed.
The crushed stone of the stone crushing system 10 has a particle size of not more than 20 mm.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A cumulative jet rock breaking and fluidization carrying system is characterized by comprising a pulse cumulative jet tunneling machine (8) provided with a pulse cumulative jet generating system (8-3), a loading part (8-2), a transferring part (8-4) and a walking part (8-1), and further comprising a water-stone separating system (9), a stone breaking system (10), a stone pumping system (11) and a filling coal mining hydraulic support (14) arranged at a coal mining working face (13) which are connected together through a belt, wherein a bottom-discharge type scraper conveyor (15) is arranged at the rear side of the filling coal mining hydraulic support (14), a plurality of uniformly distributed filling pipes (16) are arranged between the bottom-discharge type scraper conveyor (15) and a filling body (17), the directions of the filling pipes (16) are all directed to the filling body (17) and are respectively connected with the stone pumping system (11) through a feeding pipeline (4), the pulse energy-gathering jet flow heading machine (8) is externally connected with a water supply system, and the water-stone separation system (9) is connected with a wastewater treatment system.
2. The energy-gathered jet rock breaking and fluidization delivery system as claimed in claim 1, wherein the water supply system comprises a high-pressure pump (7), a water inlet and a water outlet of the high-pressure pump (7) are respectively connected with a water tank (6) and a pulse energy-gathered jet generating system (8-3), the high-pressure pump (7) is electrically connected with a power supply system (5), and the water tank (6) is communicated with the water supply pump room (1) through a water pipeline (3).
3. The energy-gathered jet rock breaking and fluidization delivery system as claimed in claim 2, wherein the wastewater treatment system comprises a wastewater bin (2) arranged in the roadway, and wastewater generated in the water-stone separation system (9) is conveyed to the wastewater bin (2) through another water conveying pipeline (3).
4. A shaped jet rock breaking and fluidisation carrier system as claimed in claim 1 in which the water and rock separation system (9), the rock breaking system (10) and the rock pumping system (11) are located behind a pulse shaped jet tunnelling machine (8).
5. A shaped jet rock breaking and fluidisation carrier system as claimed in claim 1 in which the number of filling tubes (16) is determined by the area of the in situ filling (17).
6. The use method of the energy-gathered jet rock breaking and fluidization carrying system as claimed in claim 3, is characterized by comprising the following steps:
a. firstly, starting a water feeding pump room (1) arranged on the ground to provide a water source for a pulse energy-gathered jet flow heading machine (8), enabling the pulse energy-gathered jet flow heading machine (8) to normally work to crush rocks at a certain point of a rock working surface (12), adjusting the position of a pulse energy-gathered jet flow generating system (8-3), and crushing a new target until the crushing of rocks in the whole target area is completed;
b. waste water and crushed stones are conveyed to a water-stone separation system (9) through a loading part (8-2) and a transfer part (8-4) which are arranged on a pulse energy-gathered jet flow heading machine (8), wherein the separated crushed stones are conveyed to a stone crushing system (10) for crushing, the crushed stones are conveyed to a filling body (17) area of a coal face (13) through a stone pumping system (11) and a conveying pipeline (4), and the separated waste water is conveyed to a waste water bin (2) through a water conveying pipeline (3);
c. cutting coal according to a conventional coal mining method, spraying broken stones to a designated area of a filling body (17) through a filling pipe (16), and tamping and filling broken stone piles of the filling body (17) by utilizing a bottom-discharge type scraper conveyor (15) arranged on the rear side of a filling coal mining hydraulic support (14);
d. repeating the step b to finish the tamping filling of one step pitch;
e. and after filling is completed in one step, moving the filling coal mining hydraulic support (14), the bottom discharge type scraper conveyor (15) and the filling pipe (16) forwards, repeating the steps a, b, c and d, and performing coal mining filling on the next step until filling of all goafs of the whole coal face (13) is completed.
7. Use of a shaped jet rock breaking and fluidisation carrier system as claimed in claim 6 in which the crushed rock of the rock breaking system (10) is no more than 20mm in size.
8. A method of using a shaped jet rock breaking and fluidisation conveyance system as claimed in claim 6 in which in step b the broken rock is pneumatically conveyed via a rock pumping system (11) through a feed conduit (4) to the area of the filling (17) of the coal face (13).
CN202010363286.5A 2020-04-30 2020-04-30 Energy-gathering jet rock breaking and fluidization carrying system and method Active CN111520156B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010363286.5A CN111520156B (en) 2020-04-30 2020-04-30 Energy-gathering jet rock breaking and fluidization carrying system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010363286.5A CN111520156B (en) 2020-04-30 2020-04-30 Energy-gathering jet rock breaking and fluidization carrying system and method

Publications (2)

Publication Number Publication Date
CN111520156A CN111520156A (en) 2020-08-11
CN111520156B true CN111520156B (en) 2021-01-29

Family

ID=71906483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010363286.5A Active CN111520156B (en) 2020-04-30 2020-04-30 Energy-gathering jet rock breaking and fluidization carrying system and method

Country Status (1)

Country Link
CN (1) CN111520156B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112922617B (en) * 2021-01-29 2022-02-15 中国科学院武汉岩土力学研究所 Hydraulic mechanical combined rock breaking and wastewater treatment integrated TBM system and method
CN117108283B (en) * 2023-09-06 2024-03-19 中国矿业大学 Fluidized coal mining method utilizing self energy storage of coal seam

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879057A (en) * 1996-11-12 1999-03-09 Amvest Corporation Horizontal remote mining system, and method
CN103216226A (en) * 2012-01-21 2013-07-24 刘素华 Water-jet cutting and impacting mining machine
CN105156107A (en) * 2015-07-06 2015-12-16 中国矿业大学 Ultrahigh-pressure rotary pulse water jet rock breaking mechanism
CN106246175A (en) * 2016-09-23 2016-12-21 中国矿业大学 A kind of pulsing jet and mechanical shock combined-breaking rock mechanism
CN109209385A (en) * 2018-11-20 2019-01-15 兰溪金程新能源科技有限公司 hydraulic mining device
CN109403974A (en) * 2018-09-30 2019-03-01 中国矿业大学 A kind of mine, which picks up, unloads pumping and fills lasting exploit design method
CN109812257A (en) * 2019-02-21 2019-05-28 山东大学 Water jet auxiliary rock intelligence control system and method
CN110298141A (en) * 2019-07-19 2019-10-01 辽宁工程技术大学 A kind of well industrial and mineral underground chamber layout optimization design method
CN110656937A (en) * 2019-10-29 2020-01-07 中国矿业大学 Fluidized coal gas simultaneous mining system and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9057262B2 (en) * 2012-07-27 2015-06-16 Tempress Technologies, Inc. Hyper-pressure pulse excavator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879057A (en) * 1996-11-12 1999-03-09 Amvest Corporation Horizontal remote mining system, and method
CN103216226A (en) * 2012-01-21 2013-07-24 刘素华 Water-jet cutting and impacting mining machine
CN105156107A (en) * 2015-07-06 2015-12-16 中国矿业大学 Ultrahigh-pressure rotary pulse water jet rock breaking mechanism
CN106246175A (en) * 2016-09-23 2016-12-21 中国矿业大学 A kind of pulsing jet and mechanical shock combined-breaking rock mechanism
CN109403974A (en) * 2018-09-30 2019-03-01 中国矿业大学 A kind of mine, which picks up, unloads pumping and fills lasting exploit design method
CN109209385A (en) * 2018-11-20 2019-01-15 兰溪金程新能源科技有限公司 hydraulic mining device
CN109812257A (en) * 2019-02-21 2019-05-28 山东大学 Water jet auxiliary rock intelligence control system and method
CN110298141A (en) * 2019-07-19 2019-10-01 辽宁工程技术大学 A kind of well industrial and mineral underground chamber layout optimization design method
CN110656937A (en) * 2019-10-29 2020-01-07 中国矿业大学 Fluidized coal gas simultaneous mining system and method

Also Published As

Publication number Publication date
CN111520156A (en) 2020-08-11

Similar Documents

Publication Publication Date Title
CN112360462B (en) Mining process for filling and grouting short-wall fully-mechanized mining gangue
WO2021068691A1 (en) Strong-weak-strong clean mining and full filling method for coal mine
CN101215976B (en) Down-hole gangue pump packing system and method
CN112377247B (en) In-situ grouting filling method for in-situ separation of coal mine underground gangue
CN111520156B (en) Energy-gathering jet rock breaking and fluidization carrying system and method
CN103216238A (en) Open pit coal mine mining process
CN111691885B (en) Efficient filling mining method for ultra-thick coal seam
CN109882239B (en) Open-pit end slope coal-pressing radial filling mining method
CN105507947B (en) A kind of networking waste filling method
CN112814732A (en) Preparation of mixed ground paste of barren rock and tailings and pump sending filling device
CN103133034A (en) Method and equipment for backfilling underground goaf with waste rock on well
CN112963149B (en) High-efficiency full-mining and full-filling mining method for near-horizontal thick coal seam
CN112145225A (en) Underground in-situ pulping and backfilling system and method for coal mine tunneling gangue
CN102877848B (en) Method for performing coal mining and gangue cementation stripe filling simultaneously
CN111365067A (en) Paste filling mining method
CN110107298A (en) Coal mine selecting, which is filled, stays integrated mining system
CN213928441U (en) Complete equipment for backfilling from top to bottom of well suitable for promoting ecological management in mine area waste rock treatment
CN110645044A (en) Grouting filling system
CN113460562B (en) Method for sealing and storing coal-electricity fly ash in abandoned coal mining space
CN105971605A (en) A non-waste mining method for underground mines
CN117646652A (en) Underground crushing and filling process for fixed divergent coal mine excavation gangue
WO2020243919A1 (en) Mining machine and mining method applicable to fluidized minging of ore bodies
WO2016065906A1 (en) Ground material feeding system and feeding process for solid backfilling mining of coal mine
CN114183140B (en) Mining and filling method for advanced replacement section coal pillar
CN113339054B (en) Coal mine caving zone filling process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230718

Address after: No. 1, Huatai Road, high tech Industrial Development Zone, Xuzhou, Jiangsu 221000

Patentee after: JIANGSU ZHONGJI MINE EQUIPMENT Co.,Ltd.

Address before: 221116 No. 1 Tongshan University Road, Xuzhou City, Jiangsu Province

Patentee before: CHINA University OF MINING AND TECHNOLOGY