CN103399135A - Coal gangue dynamic identification experiment table and experiment method - Google Patents
Coal gangue dynamic identification experiment table and experiment method Download PDFInfo
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- CN103399135A CN103399135A CN2013103099279A CN201310309927A CN103399135A CN 103399135 A CN103399135 A CN 103399135A CN 2013103099279 A CN2013103099279 A CN 2013103099279A CN 201310309927 A CN201310309927 A CN 201310309927A CN 103399135 A CN103399135 A CN 103399135A
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- 239000003245 coal Substances 0.000 title claims abstract description 73
- 238000002474 experimental method Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 34
- 239000007858 starting material Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract 3
- 238000000605 extraction Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010879 coal refuse Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
A coal and gangue dynamic identification experiment table and an experiment method are provided, wherein the experiment table is composed of a steel table top, a detector, a funnel, a flat cart, a blanking box, a lifter, a motor, table legs, a base, a baffle and a hinge. The experimental method comprises the following steps: the coal and gangue mixture is contained in the hopper, the inclined angle is adjusted through the elevator, the detecting instrument is installed on the flat-plate trolley, the detecting instrument and the blanking box are placed, the distance between the detecting instrument and the coal discharge opening of the experiment table is adjusted, then the baffle plate is laterally drawn out, the coal and gangue mixture in the hopper flows out to fall into the blanking box, the coal discharge process of the top coal hydraulic support is simulated, and the mixing degree of discharged coal and gangue is measured. When the coal and gangue mixture falls down, relevant data are collected through a detector, and the data are processed and experimentally simulated to determine reasonable coal caving height and the inclination angle of the tail beam of the hydraulic support for caving the top coal, so that the gangue content of the top coal is reduced, the extraction rate is improved, and the method has guiding significance for optimizing the technological parameters of the field caving coal.
Description
Technical field
The present invention relates to a kind of experiment table and experimental technique, especially a kind of experiment table and experimental technique that is applicable to the bastard coal Dynamic Recognition.
Background technology
At present, the colliery top coal caving is in China's widespread use, in the Sub-Level Caving process, gangue is in flow state always, the opening and closing of coal discharge outlet rely on workman's the coal experience of putting mostly, can not accurately control the time that coal discharge outlet is closed, and close too early, can cause the top coal losses, close the refuse content that will increase coal evening.In addition, existing bastard coal dynamic recognition technique is ripe not enough, and it is larger affected by subsurface environment.So, the top coal refuse content of emitting is high, recovery ratio is low is the problem that exists in the Sub-Level Caving technology always, for head it off, the present invention is namely that the top coal to hydraulic support tail boom let-down carries out bastard coal identification, determine the bastard coal blending ratio, then further optimize drawing interval, taking and placing and the technological parameter such as compare, realize the top coal caving automation technolo.
Summary of the invention
Technical matters: the objective of the invention is the problem of mixing for the bastard coal that exists in the Sub-Level Caving process, the simulation caving roof coal hydraulic support is put coal, provide a kind of simple in structure, identification spoil accuracy is high, simulate effect good, bastard coal Dynamic Recognition experiment table and the experimental technique of measurement bastard coal degree simple to operate.
Technical scheme: bastard coal Dynamic Recognition experiment table of the present invention comprises steel table top, detection instrument, funnel, plate pusher, blanking box, lifter, platform leg, base, baffle plate, bracing frame; The both sides of described steel table top one end are hinged with respectively a platform leg, other end centre position is hinged with a lifter, platform leg and lifter are separately fixed on base, described funnel is located on the steel table top, the funnel material outlet is by platform leg one side, the material outlet place is provided with baffle plate, and the material outlet below is provided with blanking box, and the material outlet opposite is provided with detection instrument; Described detection instrument is fixed on plate pusher through bracing frame; Described lifter (3) comprise through brandreth be fixed on motor on base, through motor-driven crane.
Described leg is welded on a side of base, and lifter is hinged on the opposite side of base; Described base is T shape.
Use the bastard coal Dynamic Recognition experimental technique of above-mentioned experiment table, comprise the steps:
(1) by baffle plate, material outlet is closed, starter motor, make steel table top be up to the standard state, then disable motor by regulating lifter;
(2) the gangue potpourri is put into to funnel;
(3) starter motor, rise to lifter the height of requirement of experiment, makes the steel table top reach the angle of inclination of requirement of experiment, so that simulated field is put the coal situation during roof caving coal hydraulic support tail beam differing tilt angles while putting coal;
(4) plate pusher that will be loaded with detection instrument is placed on the material outlet dead ahead of funnel, makes detection instrument over against material outlet, and need to adjust the distance between detection instrument and material outlet according to experiment;
(5) blanking box is placed on to the below of material outlet, is used for the bastard coal potpourri of access material outlet let-down;
(6) pull handle, open material outlet, and by baffle plate, regulate the size of material outlet, the bastard coal potpourri is flowed out, be located at the detection instrument collection in material outlet dead ahead the data of storage bastard coal potpourri;
(7) utilize data line will be stored in analyzing and processing in the data importing computer in detection instrument, draw the cash amount that the contains size in the gangue potpourri.
Beneficial effect: the present invention can effectively simulate caving roof coal hydraulic support puts the coal process, and detects the blending ratio of this Coal During and spoil.With lifter, regulate the angle of inclination of experiment table, by detection instrument over against coal discharge outlet, utilize plate pusher to adjust the distance between detection instrument and coal discharge outlet, blanking box is placed under coal discharge outlet, then open coal discharge outlet, the gangue potpourri flows out, and detection instrument namely gathers related data, data acquisition can utilize data line to transfer data to Treatment Analysis on computer after finishing.By the processing to data and experimental simulation, determine the angle of inclination of rational caving coal height and roof caving coal hydraulic support tail beam, in order to reduce the refuse content emit the top coal, improve recovery ratio, the optimization of on-the-spot caving coal technology parameter is had to directive significance.It is simple in structure, the accuracy of identification spoil is high, simulate effect good, simple to operate.
The accompanying drawing explanation
Fig. 1 is the structural representation of bastard coal identification experiment table of the present invention.
In figure: 1-steel table top, 2-platform leg, 3-lifter, 4-base, 5-brandreth, 6-motor, 7-funnel, 8-baffle plate, 9-handle, 10-detection instrument, 11-plate pusher, 12-bracing frame, 13-blanking box.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Bastard coal Dynamic Recognition experiment table of the present invention, mainly consist of steel table top 1, detection instrument 10, funnel 7, plate pusher 11, blanking box 13, lifter 3, platform leg 2, base 4, baffle plate 8, bracing frame 12; The both sides of described steel table top 1 one ends are hinged with respectively a platform leg 2, other end centre position is hinged with a lifter 3, and platform leg 2 and lifter 3 are separately fixed on base 4, and described base 4 is T shape, platform leg 2 is welded on a side of base 4, and lifter 3 is hinged on the opposite side of base 4.Described funnel 7 is welded on steel table top 1, and the material outlet of funnel 7 is by platform leg 2 one sides, and there are the baffle plate 8 that can extract out along side direction, the size that is used for regulating coal discharge outlet in the coal discharge outlet place.Baffle plate 8 is stuck in groove following on coal discharge outlet, and an end band jug, is convenient to twitch.The material outlet place is provided with baffle plate 8, and material outlet below is provided with blanking box 13, is used for the bastard coal potpourri of access let-down.The material outlet opposite is provided with detection instrument 10; Described detection instrument 10 is fixed on plate pusher 11 through bracing frame 12; Plate pusher 11 has four wheels, can move, and bracing frame 12 directly is welded on above plate pusher 11, is used for fixing detection instrument 10, and detection instrument 11 is installed on above bracing frame 12, and relative motion does not occur between detection instrument 12 and plate pusher; Described lifter 3 comprise through brandreth 5 be fixed on motor 6 on base 4, through the crane that motor 6 drives, rotating and reverse of motor makes respectively lifter 3 rise and descend.Detection instrument 10 customizes on market, model is REN6800, and detection instrument 10 contains storer, and the data available line links together detection instrument 10 and computer, transfers data on computer, in order to carry out the data analysis processing.
Bastard coal Dynamic Recognition experimental technique of the present invention, comprise the steps:
(1) by baffle plate 8, material outlet is closed, starter motor 6, make steel table top 1 state that is up to the standard by regulating lifter 3, and then disable motor 6;
(2) the gangue potpourri is put into to funnel 7;
(3) starter motor 6, lifter 3 risen to the height of requirement of experiment, make steel table top 1 reach the angle of inclination of requirement of experiment, so that simulated field is put the coal situation during roof caving coal hydraulic support tail beam differing tilt angles while putting coal;
(4) plate pusher 11 that will be loaded with detection instrument 10 is placed on the material outlet dead ahead of funnel 7, makes detection instrument 10 over against material outlet, and need to adjust the distance between detection instrument 10 and material outlet according to experiment;
(5) blanking box 13 is placed on to the below of material outlet, is used for the bastard coal potpourri of access material outlet let-down;
(6) pull handle 9, open material outlet, and by baffle plate 8, regulate the size of material outlet, the bastard coal potpourri is flowed out, be located at the data that the detection instrument 10 in material outlet dead ahead gathered and stored the bastard coal potpourri this moment;
(7) after experiment finishes, utilize data line will be stored in the data importing computer in detection instrument 10 and carry out analyzing and processing, draw the cash amount that the contains size in the gangue potpourri.
Claims (4)
1. bastard coal Dynamic Recognition experiment table, it is characterized in that: it comprises steel table top (1), detection instrument (10), funnel (7), plate pusher (11), blanking box (13), lifter (3), platform leg (2), base (4), baffle plate (8), bracing frame (12); The both sides of described steel table top (1) one end are hinged with respectively a platform leg (2), other end centre position is hinged with a lifter (3), platform leg (2) and lifter (3) are separately fixed on base (4), described funnel (7) is located on steel table top (1), the material outlet of funnel (7) is by platform leg (2) one sides, the material outlet place is provided with baffle plate (8), the material outlet below is provided with blanking box (13), and the material outlet opposite is provided with detection instrument (10); Described detection instrument (10) is fixed on plate pusher (11) through bracing frame (12); Described lifter (3) comprises the crane that is fixed on motor (6) on base (4), drives through motor (6) through brandreth (5).
2. bastard coal Dynamic Recognition experiment table according to claim 1, it is characterized in that: described leg (2) is welded on a side of base (4), and lifter (3) is hinged on the opposite side of base (4).
3. bastard coal Dynamic Recognition experiment table according to claim 1 and 2 is characterized in that: described base (4) is T shape.
4. the bastard coal Dynamic Recognition experimental technique of experiment table as claimed in claim 1, is characterized in that, comprises the steps:
(1) by baffle plate (8), material outlet is closed, starter motor (6), make steel table top (1) be up to the standard state, then disable motor (6) by regulating lifter (3);
(2) the gangue potpourri is put into to funnel (7);
(3) starter motor (6), lifter (3) is risen to the height of requirement of experiment, make steel table top (1) reach the angle of inclination of requirement of experiment, so that simulated field is put the coal situation during roof caving coal hydraulic support tail beam differing tilt angles while putting coal;
(4) plate pusher (11) that will be loaded with detection instrument (10) is placed on the material outlet dead ahead of funnel (7), make detection instrument (10) over against material outlet, and need to adjust the distance between detection instrument (10) and material outlet according to experiment;
(5) blanking box (13) is placed on to the below of material outlet, is used for the bastard coal potpourri of access material outlet let-down;
(6) pull handle (9), open material outlet, and by baffle plate (8), regulate the size of material outlet, the bastard coal potpourri is flowed out, be located at the data that the detection instrument (10) in material outlet dead ahead gathered and stored the bastard coal potpourri;
(7) utilize data line will be stored in analyzing and processing in the data importing computer in detection instrument, draw the cash amount that the contains size in the gangue potpourri.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310309927.9A CN103399135B (en) | 2013-07-23 | 2013-07-23 | Coal gangue dynamic identification experiment table and experiment method |
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| CN201310309927.9A CN103399135B (en) | 2013-07-23 | 2013-07-23 | Coal gangue dynamic identification experiment table and experiment method |
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| CN103399135A true CN103399135A (en) | 2013-11-20 |
| CN103399135B CN103399135B (en) | 2015-08-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223013A (en) * | 2018-02-11 | 2018-06-29 | 山东科技大学 | A kind of coal rock detection pilot system based on vibration |
| CN109727522A (en) * | 2019-03-18 | 2019-05-07 | 中国矿业大学(北京) | Coal experiment porch and test method are put in a kind of large scale intelligence |
| CN109917100A (en) * | 2017-12-12 | 2019-06-21 | 辽宁工程技术大学 | A kind of residual coal second mining Sub-Level Caving analog simulation experimental rig |
| CN113027505A (en) * | 2021-05-24 | 2021-06-25 | 天津美腾科技股份有限公司 | Multi-hydraulic support control method and device and multi-hydraulic support control system |
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2013
- 2013-07-23 CN CN201310309927.9A patent/CN103399135B/en not_active Expired - Fee Related
Patent Citations (4)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917100A (en) * | 2017-12-12 | 2019-06-21 | 辽宁工程技术大学 | A kind of residual coal second mining Sub-Level Caving analog simulation experimental rig |
| CN108223013A (en) * | 2018-02-11 | 2018-06-29 | 山东科技大学 | A kind of coal rock detection pilot system based on vibration |
| CN109727522A (en) * | 2019-03-18 | 2019-05-07 | 中国矿业大学(北京) | Coal experiment porch and test method are put in a kind of large scale intelligence |
| CN109727522B (en) * | 2019-03-18 | 2022-08-30 | 中国矿业大学(北京) | Large-size intelligent coal caving experiment platform and method |
| CN113027505A (en) * | 2021-05-24 | 2021-06-25 | 天津美腾科技股份有限公司 | Multi-hydraulic support control method and device and multi-hydraulic support control system |
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| CN103399135B (en) | 2015-08-12 |
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Granted publication date: 20150812 |