CN111005753B - Coal mine floor drainage roadway cross-layer pore-forming hydraulic punching and cave-building construction method - Google Patents
Coal mine floor drainage roadway cross-layer pore-forming hydraulic punching and cave-building construction method Download PDFInfo
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- CN111005753B CN111005753B CN201911184599.8A CN201911184599A CN111005753B CN 111005753 B CN111005753 B CN 111005753B CN 201911184599 A CN201911184599 A CN 201911184599A CN 111005753 B CN111005753 B CN 111005753B
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- 239000003245 coal Substances 0.000 title claims abstract description 111
- 238000004080 punching Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 9
- 238000009435 building construction Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005553 drilling Methods 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 238000012216 screening Methods 0.000 abstract description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
- B65G15/64—Arrangements for supporting or guiding belts, e.g. by fluid jets for automatically maintaining the position of the belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a hydraulic punching and cave-making construction method for cross-layer pore-forming in a coal mine floor drainage roadway, which is characterized in that a totally-enclosed blowout preventer of a mine is matched to carry out positioning drilling operation through a crawler drill, then drilling or punching is carried out by utilizing the matching among a high-pressure sealing drill rod, a high-pressure and low-pressure water jet conversion device and a high-pressure rotary joint, coal-water separation is carried out through a vibrating screen type solid-liquid separator after the operation is finished, automatic coal feeding transportation operation is carried out on the coal discharged by a vibrating screen through an automatic coal feeding device, and the coal powder on the automatic coal feeding device is subjected to accurate coal quantity metering on the coal powder through; and the metered coal powder is transported outside through a main coal flow belt and is approved by matching with an ICS electronic belt scale. According to the invention, through the matching use of all parts, five-position integrated continuous operation of drilling, hole making, coal-water separation, coal powder metering and coal powder transferring, namely drilling, flushing, screening and conveying are formed, so that the acknowledged labor intensity is effectively reduced, and the hydraulic hole making efficiency is improved.
Description
The technical field is as follows:
the invention relates to a punching and cave-making construction method, in particular to a coal mine floor drainage roadway layered pore-forming hydraulic punching and cave-making construction method.
Background art:
in order to ensure that the gas drainage drill hole can be operated in a standard mode, the measurement of the coal output during the gas drainage drill hole operation becomes a key link, the measurement and the transportation of the coal output of the drill hole can be accurately and quickly completed, the construction effect and the working efficiency of the gas drainage drill hole operation can be directly influenced, the traditional measurement mode cannot realize continuous measurement, the machine needs to be stopped to clean the coal hopper after the coal output per meter reaches the standard, the next period of operation is carried out, the working efficiency is reduced, and the field fallen coal is cleaned in a multi-purpose manual coal cleaning mode, so that the labor intensity is high, and the efficiency is extremely low.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the method overcomes the defects of the prior art, and through the matched use of the crawler drilling machine, the vibrating screen, the self-discharging metering device and the belt pulley, five-position integrated continuous operation of drilling, hole forming, coal water separation, coal powder metering and coal powder transportation is formed, the recognized labor intensity is effectively reduced, the hydraulic hole forming efficiency is improved, and the problem that in the prior art, the manual coal cleaning mode causes the occurrence of the situation of cleaning on-site coal breakage is solved.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the utility model provides a colliery bottom plate drainage lane cross-layer pore-creating water conservancy hole punching and cave-building construction method, punches through punching and high-pressure punching equipment and makes the cave, through the coal water separation back, carries out automatic coal feeding transportation operation to the buggy to carry out continuous measurement to the buggy under the circumstances of not shutting down, carry out the transportation work of buggy at last, realize boring and dash five integrative continuous operations of sieve volume fortune, its concrete step is: step one, positioning drilling operation is carried out through a crawler drill by matching with a mine totally-enclosed blowout preventer; secondly, the high-pressure sealing drill rod, the high-pressure and low-pressure water jet conversion device and the high-pressure rotary joint are matched, and the conversion of drilling and punching is controlled by water pressure; step three, after coal-water separation is carried out through a vibrating screen type solid-liquid separator, automatic coal feeding transportation operation is carried out on the coal discharged by a vibrating screen through an automatic coal feeding device; step four, the pulverized coal on the automatic coal feeding device is accurately metered to the coal amount through a self-discharging metering device arranged on a track in the direction of the main coal flow belt; and fifthly, transporting the metered coal powder outside through a main coal flow belt, and matching with an ICS electronic belt scale to approve the coal powder.
The automatic coal feeding device comprises a movable bracket and a resistance belt which is obliquely arranged on the movable bracket and conveys the coal powder sent out by the vibrating screen type solid-liquid separator to the self-discharging metering device, the resistance belt is annular and is sleeved on the rollers arranged at the two ends of the movable bracket and rotates along with the rollers,
the resistance belt is provided with a resistance strip, and the movable support is provided with a resistance belt deviation prevention device and a tensioning roller.
In the fourth step, the self-discharging metering device moves horizontally above the main coal flow belt and along the vertical direction of the moving direction of the main coal flow belt by utilizing the track through the roller.
The self-discharging formula metering device includes the weighing hopper, the weighing hopper middle part is provided with the division board of cutting apart into two same volume cavities with it, fixed being provided with on the track cooperates the use in proper order and accomplishes sealed realization in proper order and keep in the fixed baseplate of measurement to fine coal to two cavity bottoms, the weighing hopper sets up on the fixed bolster, the weighing hopper utilizes hydraulic pressure push-and-pull rod and hydraulic cylinder to be connected through the hangers.
The invention has the beneficial effects that:
1. according to the invention, through the matching use of the crawler drilling machine, the vibrating screen, the self-discharging metering device and the belt pulley, five-in-one continuous operation of drilling, cave building, coal water separation, coal powder metering and coal powder transferring, namely drilling, flushing, screening and transporting is formed, the acknowledged labor intensity is effectively reduced, the hydraulic cave building efficiency is improved, and the problem that the on-site coal dropping condition is cleaned due to the manual coal cleaning mode in the prior art is solved.
2. The invention can accurately and quickly complete the measurement and transportation of the coal output of the drilled hole, directly influences the construction effect and the working efficiency of the gas extraction drilling operation, overcomes the defects that the traditional measurement mode can not realize continuous measurement, and the coal output per meter reaches the standard, and then the coal hopper needs to be stopped to clean and the next period of operation is carried out, and improves the working efficiency.
3. The automatic coal feeding device and the self-discharging metering device are matched for use, automatic coal feeding is realized through the automatic coal feeding belt device, the gas drainage single-hole coal amount is continuously and accurately metered without stopping through the self-discharging metering device, manual coal cleaning is not needed, and the automatic coal feeding device has high originality and practicability.
4. The invention relates to a layer-crossing drilling hydraulic punching 'drilling, punching, screening and transporting' five-in-one continuous operation mode, which is a method for gas control in coal mine floor drainage roadway punching construction, which is formed by summarizing advanced gas control experience and introducing advanced gas control equipment and technology, and aims to solve the problems of large labor amount, low construction efficiency, inaccurate metering, incapability of continuous operation and the like of layer-crossing drilling hydraulic punching.
5. The resistance belt is provided with the resistance strips, so that the coal feeding device can be used in a narrow underground place with a limited horizontal distance, the condition that the coal slips down and cannot be normally conveyed to the upper part due to insufficient belt resistance caused by steep gradient of the belt is prevented, the belt resistance is increased, the normal and smooth running of the belt is not influenced, and the coal feeding effect is good.
6. In order to facilitate debugging of field equipment, the movable support of the automatic coal feeding device is designed into an adjustable lifting support, 10 height gears are arranged, the structure of the adjustable lifting support is the same as the telescopic structure of an umbrella rod, the height of the equipment can be adjusted according to actual requirements on the field, and the adjustable lifting support is convenient to use on the field.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an automatic coal feeding device in the coal mine floor drainage roadway cross-layer pore-forming hydraulic punching cave-making construction method;
FIG. 2 is a schematic diagram of the structure of the resistance belt and resistance strip of FIG. 1;
fig. 3 is a schematic structural diagram of a self-discharging metering device in the coal mine floor drainage roadway layered pore-forming hydraulic punching cave-making construction method.
The specific implementation mode is as follows:
referring to fig. 1, 2 and 3, in the drawings, 1-a movable support, 2-a resistance belt, 3-an anti-deviation device, 4-a tensioning roller, 5-a roller, 6-a track, 7-a weighing hopper, 8-a fixed bottom plate, 9-a fixed support, 10-a hydraulic push-pull rod, 11-a hydraulic oil cylinder, 12-a roller and 13-a resistance strip.
Example (b): the utility model provides a colliery bottom plate drainage lane cross-layer pore-creating water conservancy hole punching and cave-building construction method, punches through punching and high-pressure punching equipment and makes the cave, through the coal water separation back, carries out automatic coal feeding transportation operation to the buggy to carry out continuous measurement to the buggy under the circumstances of not shutting down, carry out the transportation work of buggy at last, realize boring and dash five integrative continuous operations of sieve volume fortune, its concrete step is: step one, positioning drilling operation is carried out through a crawler drill by matching with a mine totally-enclosed blowout preventer; secondly, the high-pressure sealing drill rod, the high-pressure and low-pressure water jet conversion device and the high-pressure rotary joint are matched, and the conversion of drilling and punching is controlled by water pressure; step three, after coal-water separation is carried out through a vibrating screen type solid-liquid separator, automatic coal feeding transportation operation is carried out on the coal discharged by a vibrating screen through an automatic coal feeding device; step four, the pulverized coal on the automatic coal feeding device is accurately metered to the coal amount through a self-discharging metering device arranged on a track in the direction of the main coal flow belt; and fifthly, transporting the metered coal powder outside through a main coal flow belt, and matching with an ICS electronic belt scale to approve the coal powder.
The automatic coal feeding device comprises a movable support 1 and a resistance belt 2 which is obliquely arranged on the movable support 1 and conveys coal powder sent out by the vibrating screen type solid-liquid separator to the self-discharging type metering device, the resistance belt 2 is annular and is sleeved on rollers 12 arranged at two ends of the movable support 1 and rotates along with the rollers,
the resistance belt 2 is provided with a resistance strip 13, and the movable support 1 is provided with a resistance belt 2 deviation prevention device 3 and a tensioning roller 4. In the fourth step, the self-discharging metering device moves horizontally above the main coal flow belt and along the vertical direction of the moving direction of the main coal flow belt by using the track 6 through the roller 5.
Self-discharging formula metering device includes weighing hopper 7, and weighing hopper 7 middle part is provided with the division board of two same volume cavities of cutting apart into it, and fixed being provided with on track 6 cooperates the use in proper order and accomplishes sealed realization in proper order and keep in fixed baseplate 8 of measurement to fine coal to two cavity bottoms, and weighing hopper 7 sets up on fixed bolster 9, and weighing hopper 7 utilizes hydraulic pressure push-pull rod 10 to be connected with hydraulic cylinder 11 through the hangers.
During operation, the positioning drilling operation is carried out by matching with a totally-closed blowout preventer of a mine through a crawler drill, then drilling or punching is carried out by matching and punching among a high-pressure sealing drill rod, a high-pressure and low-pressure water jet conversion device and a high-pressure rotary joint, coal water separation is carried out by a vibrating screen type solid-liquid separator after the operation is finished, automatic coal feeding transportation operation is carried out on coal discharged from a vibrating screen by an automatic coal feeding device, and coal quantity of coal powder is accurately measured by coal powder on the automatic coal feeding device through a self-discharging type metering device arranged on a track 6 in the direction of a main coal flow belt; and the metered coal powder is transported outside through a main coal flow belt and is approved by matching with an ICS electronic belt scale.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a colliery bottom plate drainage lane cross-layer pore-creating water conservancy hole punching and cave-building construction method, punches through punching and high-pressure punching equipment and makes the cave, through the coal water separation back, carries out automatic coal feeding transportation operation to the buggy to carry out continuous measurement to the buggy under the circumstances of not shutting down, carry out the transportation work of buggy at last, realize boring and dash five integrative continuous operations of sieve volume fortune, its concrete step is: step one, positioning drilling operation is carried out through a crawler drill by matching with a mine totally-enclosed blowout preventer; secondly, the high-pressure sealing drill rod, the high-pressure and low-pressure water jet conversion device and the high-pressure rotary joint are matched, and the conversion of drilling and punching is controlled by water pressure; step three, after coal-water separation is carried out through a vibrating screen type solid-liquid separator, automatic coal feeding transportation operation is carried out on the coal discharged by a vibrating screen through an automatic coal feeding device; step four, the pulverized coal on the automatic coal feeding device is accurately metered to the coal amount through a self-discharging metering device arranged on a track in the direction of the main coal flow belt; fifthly, the metered coal powder is transported outside through a main coal flow belt and is approved by matching with an ICS electronic belt scale;
the self-discharging metering device is horizontally moved above the main coal flow belt by a roller through a track and along the vertical direction of the moving direction of the main coal flow belt; the self-discharging formula metering device includes the weighing hopper, the weighing hopper middle part is provided with the division board of cutting apart into two same volume cavities with it, fixed being provided with on the track cooperates the use in proper order and accomplishes sealed realization in proper order and keep in the fixed baseplate of measurement to fine coal to two cavity bottoms, the weighing hopper sets up on the fixed bolster, the weighing hopper utilizes hydraulic pressure push-and-pull rod and hydraulic cylinder to be connected through the hangers.
2. The coal mine floor drainage roadway layered pore-forming hydraulic punching and cave-building construction method according to claim 1, characterized in that: the automatic coal feeding device comprises a movable support and a resistance belt which is obliquely arranged on the movable support and used for conveying pulverized coal sent out by the vibrating screen type solid-liquid separator to the self-discharging metering device, and the resistance belt is annular, is sleeved on rollers arranged at two ends of the movable support and rotates along with the rollers.
3. The coal mine floor drainage roadway layered pore-forming hydraulic punching and cave-building construction method according to claim 2, characterized in that: the resistance belt is provided with a resistance strip, and the movable support is provided with a resistance belt deviation prevention device and a tensioning roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184599.8A CN111005753B (en) | 2019-11-27 | 2019-11-27 | Coal mine floor drainage roadway cross-layer pore-forming hydraulic punching and cave-building construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911184599.8A CN111005753B (en) | 2019-11-27 | 2019-11-27 | Coal mine floor drainage roadway cross-layer pore-forming hydraulic punching and cave-building construction method |
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| Publication Number | Publication Date |
|---|---|
| CN111005753A CN111005753A (en) | 2020-04-14 |
| CN111005753B true CN111005753B (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911184599.8A Active CN111005753B (en) | 2019-11-27 | 2019-11-27 | Coal mine floor drainage roadway cross-layer pore-forming hydraulic punching and cave-building construction method |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106223997B (en) * | 2016-09-21 | 2018-05-01 | 中国矿业大学 | A kind of projecting coal bed drilling of high methane and waterpower blanking blowout prevention outburst prevention device and method |
| CN106733684B (en) * | 2017-01-22 | 2023-01-03 | 杨宝祥 | Mineral dry separation system and method |
| CN109184664B (en) * | 2018-10-16 | 2022-06-24 | 辽宁工程技术大学 | Hydraulic punching coal output real-time measuring device and using method thereof |
| CN109403948B (en) * | 2018-10-25 | 2024-02-23 | 河南理工大学 | Metering method for jet flow punching coal yield and coal collecting device |
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