CN104675429A - Mining multistage intelligent drainage apparatus and method - Google Patents
Mining multistage intelligent drainage apparatus and method Download PDFInfo
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- CN104675429A CN104675429A CN201510046950.2A CN201510046950A CN104675429A CN 104675429 A CN104675429 A CN 104675429A CN 201510046950 A CN201510046950 A CN 201510046950A CN 104675429 A CN104675429 A CN 104675429A
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- 238000005065 mining Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 227
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000013442 quality metrics Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- E21F16/00—Drainage
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Abstract
The invention discloses a mining multistage intelligent drainage apparatus and method. The apparatus comprises a working face water speed control and drainage unit. The working face water speed control and drainage unit comprises a water speed data acquiring module, a water speed data processing unit, a control unit and a water speed warning unit; the water speed data acquiring unit, the control unit and the water speed warning unit are all connected with the water speed data processing unit. The working face water speed control and drainage unit is capable of monitoring water incoming speed of a water bin throughout the day, quantity basis is provided for pump starting of a regular drainage unit, problems of overflow, overload and switch ageing, caused by frequent start-stop of a centrifugal pump, are decreased, the service life of the centrifugal pump is prolonged, necessary time is provided workers to evacuate from a site, especially in water inrush emergency, and life safety of staff is further ensured.
Description
Technical field
The present invention relates to mine field, particularly the mining multistage intelligent dewatering installation of one and method.
Background technology
In subterranean body under mine there is crack, joint, fault structure face in the overwhelming majority, and there is water table, this just causes work plane infiltration, water burst, gushing water event often to occur, for produced on-site brings inconvenience, for employee's life security brings threat.
At present, use ground to control the measure of drainage underground though there is part article to propose, because cost is higher and be not suitable for the adverse circumstances of down-hole, many mines still use manual control electric pump, air pump, centrifugal pump to carry out draining.Under the stagnant overall background of mineral products industry, save production cost, manpower are obviously the most important thing.Traditional artificial drainage is exactly water just row, does not anhydrously arrange.On the one hand, consider that electricity price has peak, flat, Gu Zhifen, and when the electricity price of peak period is approximately valley about 2 times.Present water discharge method causes certain unnecessary waste in electric energy.On the other hand, start and stop motor continually, can cause the phenomenons such as overcurrent, overload, switching damage, substantially reduces the application life of machinery, increases the input of equipment cost to a certain extent.Few time many during infiltration situation, when workman slack off or draining not in time, probably have influence on the normal production of work plane.Especially at present the domestic emergent management measure for gushing water event is still deficient, badly influences employee's life security and Business Economic Benefit.
At the control end of drainage system, the operating process of centrifugal pump is still more loaded down with trivial details.Especially in the upper water stage of the pump housing, for the adjustment of valve, experienced veteran worker's situation is better, but for new person, controls bad probably causing and burn pump phenomenon, thus affects work plane and normally produce.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the mining multistage intelligent dewatering installation that a kind of cost is low, drainage effect good, security performance is high, and a kind of mining multistage intelligent water discharge method is provided.
The technical scheme that the present invention solves the problem is: a kind of mining multistage intelligent dewatering installation, comprise work plane water speed control dewatering installation, described work plane water speed control dewatering installation comprises water speed data acquisition unit, water speed data processing unit, control unit and water speed prewarning unit, and described water speed data acquisition unit, control unit, water speed prewarning unit are connected with water speed data processing unit respectively.
In above-mentioned mining multistage intelligent dewatering installation, described water speed data processing unit comprises host computer and PLC, PLC are connected with host computer, and described water speed data acquisition unit comprises hollow pipeline I, hollow pipeline II, wooden unit, iron block, belt, fluorescent belt, searchlight I, searchlight II, camera I, camera II, camera III, pipeline base I, pipeline base II, pipeline base I, pipeline base II is arranged on bottom sump, is provided with water seepage hole bottom hollow pipeline I, is plugged with sealed rubber plug bottom hollow pipeline II, and hollow pipeline I is parallel to each other with hollow pipeline II and respectively vertically inserts pipeline base I, in pipeline base II, wooden unit vertical hanging is in hollow pipeline I, and iron block vertical hanging is in hollow pipeline II, and belt two ends are separately fixed at wooden unit, on iron block, and belt middle and horizontal plane keeping parallelism, camera I, searchlight I, camera II, searchlight II, camera III is arranged on the crossbeam above sump successively, camera I, camera II, camera III signal output part is connected with PLC, and fluorescent belt spray is put on belt, and is in camera I, camera II, in camera III coverage.
In above-mentioned mining multistage intelligent dewatering installation, described control unit comprises main drainpipe, secondary gutter, emptying pipeline and Multi-channel controller, every road control device includes centrifugal pump, centrifugal pump motor, automatic valve motor, automatic valve, manually-operated gate, water inlet pipe, electromagnetic valve, centrifugal pump motor is connected with centrifugal pump, the lower end of described water inlet pipe is positioned at sump, water inlet pipe inner bottom is provided with water inlet pipe level sensor, water inlet pipe upper end is connected with centrifugal pump water inlet, the exhaust opening of centrifugal pump is connected with emptying pipeline through electromagnetic valve, the delivery port of centrifugal pump is connected with secondary gutter through manually-operated gate, main drainpipe is connected on the pipeline between the delivery port of centrifugal pump and manually-operated gate through automatic valve, described automatic valve motor is connected with automatic valve, described water speed prewarning unit comprises the early warning water speed alarm be arranged in sump upper cross-beam, centrifugal pump motor, automatic valve motor, electromagnetic valve, early warning water speed alarm is connected with PLC.
In above-mentioned mining multistage intelligent dewatering installation, described automatic valve comprises valve handle, occlusal end, contact jaw, bearing, occlusal end is engaged just with valve handle, and contact jaw is closely connected with occlusal end back and concordant with valve handle, and bearing is closely connected with contact jaw center back.
Above-mentioned mining multistage intelligent dewatering installation also comprises work plane water-level control apparatus, and described work plane water-level control apparatus comprises waterlevel data collecting unit and water level prewarning unit, and waterlevel data collecting unit comprises level sensor I, upper level sensor II, lower level sensor I, lower level sensor II, early warning level sensor I, early warning level sensor II, upper level sensor I, upper level sensor II and the water surface are equidistantly and be relatively embedded in hollow pipeline I upper face two ends, lower level sensor I, lower level sensor II is concordant with bottom water inlet pipe and be relatively embedded in hollow pipeline I lower surface two ends, early warning level sensor I and early warning level sensor II to be positioned at above upper level sensor I and to be relatively embedded in the surperficial two ends of hollow pipeline I, early warning level sensor I and early warning level sensor II place straight line parallel are in upper level sensor I and upper level sensor II place straight line, water level prewarning unit comprises the early warning water level alarm be arranged in sump upper cross-beam, upper level sensor I, upper level sensor II, lower level sensor I, lower level sensor II, early warning level sensor I, early warning level sensor II, early warning water level alarm is connected with PLC respectively.
Above-mentioned mining multistage intelligent dewatering installation also comprises timing water drainage device, and timing water drainage device comprises timer I and timer II, and timer I is connected with PLC respectively with timer II.
A kind of mining multistage intelligent water discharge method, comprises the following steps:
1) prepare before draining: searchlight I, searchlight II, camera I, camera II and camera III whole day are opened;
2) obtain SEA LEVEL VARIATION rate according to the horizontal movement calculating of fluorescent belt, be multiplied by sump floor space by SEA LEVEL VARIATION rate and obtain into water speed;
3) compare water inlet speed size, if water inlet speed be flow per hour be less than S (
h 1 ﹣
h 0 during)/17, then enter step 4), adopt work plane timing drainage pattern; If water inlet speed be flow per hour between S (
h 1 ﹣
h 0 )/17 ~ S (
h 2 ﹣
h 0 )/17+3
q 0 between time, then enter step 5), adopt work plane water level control drainage pattern; If water inlet speed be flow per hour be greater than S (
h 2 ﹣
h 0 )/17+3
q 0 time, then enter step 6), adopt work plane water speed control discharging mode; Wherein
h 2 : early warning level sensor and sump bottom surface distance,
h 1 : upper level sensor and sump bottom surface distance,
h 0 : lower level sensor and sump bottom surface distance, S: sump floor space,
q 0 : single channel control device drain discharge hourly;
4) work plane timing drainage pattern: timer I timing at 22:00 to PLC drain signal, drain signal is dealt into host computer by PLC, when host computer receives drain signal, according to the water inlet speed of electricity price crest segment, at ordinary times section, determine the electric pump number now should opened, send draining order to PLC, after PLC receives draining order, open the centrifugal pump motor required by host computer and electromagnetic valve immediately, by vacuum pumping state in centrifugal pump body, then turn off electromagnetic valve, then give the energising of automatic valve motor, at the uniform velocity regulate automatic valve; When water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining; Timer II stops drain signal at 5:00 to PLC mono-, and PLC receives and stops after drain signal, controls the reversion of automatic valve motor, and the speed of reversion and time are identical with the time with the speed of rotating forward when carrying out draining;
5) work plane water level control drainage pattern: detect hollow pipeline I middle water level, if water level arrives
h 0 , lower level sensor I, lower level sensor II send the signal of telecommunication and turn off all centrifugal pump motor and electromagnetic valve to PLC, PLC; If water level arrives
h 1 upper level sensor I, upper level sensor II send the signal of telecommunication to PLC, PLC opens all centrifugal pump motor and electromagnetic valve, by vacuum pumping state in centrifugal pump body, then turn off electromagnetic valve, then give the energising of automatic valve motor, at the uniform velocity regulate automatic valve, when water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining; If water level arrives
h 2 , early warning level sensor I, early warning level sensor II send the signal of telecommunication and are energized to early warning water speed alarm to PLC, PLC, notify that workman withdraws;
6) work plane water speed control discharging mode: host computer sends draining order and is energized to early warning water speed alarm to PLC, PLC, notifies that workman withdraws; PLC opens centrifugal pump motor and the electromagnetic valve of all control device simultaneously, by vacuum pumping state in centrifugal pump body, then electromagnetic valve is turned off, give the energising of automatic valve motor again, at the uniform velocity regulate automatic valve, when water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining.
In above-mentioned mining multistage intelligent water discharge method, the concrete steps of described step 1) are: fluorescent belt moves to right along with the rising of water level, camera I, camera II, the horizontal movement of fluorescent belt to be filmed with the speed of 24 frames/s and to reach host computer through PLC by camera III continuously, obtained Video Quality Metric is become continuous print picture format by host computer, color three dimension picture processing after conversion is become denoising after the two-dimension picture of black and white, extract the stain representing fluorescent belt, calculate the grid number of fluorescent belt process between 1/24s again, in conjunction with the ratio of single grid and real displacement, obtain SEA LEVEL VARIATION rate, be multiplied by sump floor space by SEA LEVEL VARIATION rate to obtain into water speed.
In above-mentioned mining multistage intelligent water discharge method, in described step 4), if water level arrives before 5:00
h 0 place, then descend level sensor I, lower level sensor II to stop drain signal to PLC mono-, after PLC receives and stops drain signal, controls automatic valve motor and reverse, and the speed of reversion and time are identical with the time with the speed of rotating forward when carrying out draining.
Beneficial effect of the present invention is:
1) this dewatering installation comprises work plane water speed control dewatering installation, work plane water speed control dewatering installation can be monitored the water inlet speed 24h of sump, for timing water drainage device provides the quantity basis of turn on pump, reduce the generation of overcurrent, overload and the switch aging phenomenon caused due to frequent start-stop centrifugal pump, extend the application life of centrifugal pump, especially tackle urgent gushing water event, provide necessary time for workman withdraws scene, ensure the life security of employee further;
2) this dewatering installation comprises work plane water-level control apparatus, work plane water-level control apparatus can be large at sump water yield, but timely draining under not reaching gushing water degree situation, for work plane percolation-proof provides strong guarantee, for employee's life security provides another layer guarantee;
3) this dewatering installation comprises timing water drainage device, and because peak position electricity price is about 2 times of paddy position electricity price, timing water drainage device carries out timing drainage in the electricity price paddy position period as far as possible, saves production cost, increase economic efficiency as production unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of dewatering installation of the present invention.
Fig. 2 is the left view at A-A position in Fig. 1.
Fig. 3 is the upward view at B-B position in Fig. 1.
Fig. 4 is the structural representation of hollow pipeline I.
Fig. 5 is the structural representation of hollow pipeline II.
Fig. 6 is the structural representation of automatic valve handle.
Fig. 7 is the front view of automatic valve.
Fig. 8 is the right view of automatic valve.
In figure: 1, early warning water level alarm, 2, early warning water speed alarm, 3, camera I, 4, camera II, 5, camera III, 6, searchlight I, 7, searchlight II, 8, automatic valve motor I, 9, automatic valve I, 10, manually-operated gate I, 11, electromagnetic valve I, 12 centrifugal pump motor I, 13, centrifugal pump I, 14, belt, 15, water inlet pipe I, 16, early warning level sensor I, 17, early warning level sensor II, 18, upper level sensor I, 19, upper level sensor II, 20, hollow pipeline I, 21, wooden unit, 22, lower level sensor I, 23, lower level sensor II, 24, sump, 25, sewage, 26, pipeline base I, 27, automatic valve motor II, 28, automatic valve II, 29, manually-operated gate II, 30, electromagnetic valve II, 31, centrifugal pump motor II, 32, centrifugal pump II, 33, water inlet pipe II, 34, automatic valve motor III, 35, automatic valve III, 36, manually-operated gate III, 37, electromagnetic valve III, 38, centrifugal pump motor III, 39, centrifugal pump III, 40, water inlet pipe III, 41, hollow pipeline II, 42, iron block, 43, main drainpipe, 44, secondary gutter, 45, emptying pipeline, 46, pipeline base II, 47, water inlet pipe level sensor, 48, fluorescent belt, 49, water seepage hole, 50, sealed rubber plug, 51, valve handle, 52, occlusal end, 53, contact jaw, 54, bearing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, this dewatering installation comprises work plane water speed control dewatering installation, work plane water-level control apparatus and timing water drainage device, described work plane water speed control dewatering installation comprises water speed data acquisition unit, water speed data processing unit, control unit and water speed prewarning unit, and described water speed data acquisition unit, control unit, water speed prewarning unit are connected with water speed data processing unit respectively.
In above-mentioned mining multistage intelligent dewatering installation, described water speed data processing unit comprises host computer and PLC, PLC are connected with host computer, and described water speed data acquisition unit comprises hollow pipeline I 20, hollow pipeline II 41, wooden unit 21, iron block 42, belt 14, fluorescent belt 48, searchlight I 6, searchlight II 7, camera I 3, camera II 4, camera III 5, pipeline base I 26, pipeline base II 46, pipeline base I 26, pipeline base II 46 is arranged on bottom sump 24, is provided with water seepage hole 49 bottom hollow pipeline I 20, is plugged with sealed rubber plug 50 bottom hollow pipeline II 41, and hollow pipeline I 20 is parallel to each other with hollow pipeline II 41 and respectively vertically inserts pipeline base I 26, in pipeline base II 46, and two spacing between pipes are greater than the spacing between level sensor I 18 and lower level sensor I 22, wooden unit 21 vertical hanging is in hollow pipeline I 20, and iron block 42 vertical hanging is in hollow pipeline II 41, and belt 14 two ends are separately fixed at wooden unit 21, on iron block 42, and in the middle part of belt 14 with horizontal plane keeping parallelism, the weight of iron ball is less than wooden unit 21, makes by stretching for belt 14 under sewage 25 buoyancy, camera I 3, searchlight I 6, camera II 4, searchlight II 7, camera III 5 is arranged on the crossbeam above sump 24 successively, camera I 3, camera II 4, camera III 5 signal output part is connected with PLC, and fluorescent belt 48 spray is put on belt 14, and is in camera I 3, camera II 4, in camera III 5 coverage.
Described control unit comprises main drainpipe 43, secondary gutter 44, emptying pipeline 45, centrifugal pump motor I 12, centrifugal pump motor II 31, centrifugal pump motor III 38, automatic valve motor I 8, automatic valve motor II 27, automatic valve motor III 34, automatic valve I 9, automatic valve II 28, automatic valve III 35, manually-operated gate I 10, manually-operated gate II 29, manually-operated gate III 36, water inlet pipe I 15, water inlet pipe II 33, water inlet pipe III 40, centrifugal pump I 13, centrifugal pump II 32, centrifugal pump III 39, electromagnetic valve I 11, electromagnetic valve II 30, electromagnetic valve III 37, in above-mentioned control unit, indicate I below, II, the parts of III, No. 1 control device is formed respectively with there is no rear target parts, totally No. three control device, its effect is identical, only control device I is explained below, control device II, control device III in like manner, centrifugal pump motor I 12 is connected with centrifugal pump I 13, the lower end of described water inlet pipe I 15 is positioned at sump 24, water inlet pipe I 15 inner bottom is provided with water inlet pipe level sensor 47, water inlet pipe I 15 upper end is connected with centrifugal pump I 13 water inlet, the exhaust opening of centrifugal pump I 13 is connected with emptying pipeline 45 through electromagnetic valve I 11, the delivery port of centrifugal pump I 13 is connected with secondary gutter 44 through manually-operated gate I 10, main drainpipe 43 is connected on the pipeline between the delivery port of centrifugal pump I 13 and manually-operated gate I 10 through automatic valve I 9, described automatic valve motor I 8 is connected with automatic valve I 9, described water speed prewarning unit comprises the early warning water speed alarm 2 be arranged in sump 24 upper cross-beam, centrifugal pump motor I 12, automatic valve motor I 8, electromagnetic valve I 11, early warning water speed alarm 2 is connected with PLC.
Described automatic valve comprises valve handle 51, occlusal end 52, contact jaw 53, bearing 54, occlusal end 52 is engaged just with valve handle 51, contact jaw 53 is closely connected with occlusal end 52 back and concordant with valve handle 51, and bearing 54 is closely connected with contact jaw 53 center back.
Described work plane water-level control apparatus comprises waterlevel data collecting unit and water level prewarning unit, and waterlevel data collecting unit comprises level sensor I 18, upper level sensor II 19, lower level sensor I 22, lower level sensor II 23, early warning level sensor I 16, early warning level sensor II 17, upper level sensor I 18, upper level sensor II 19 and the water surface are equidistantly and be relatively embedded in hollow pipeline I 20 upper face two ends, lower level sensor I 22, lower level sensor II 23 is concordant with bottom water inlet pipe and be relatively embedded in hollow pipeline I 20 lower surface two ends, early warning level sensor I 16 and early warning level sensor II 17 to be positioned at above upper level sensor I 18 and to be relatively embedded in the surperficial two ends of hollow pipeline I 20, early warning level sensor I 16 and early warning level sensor II 17 place straight line parallel are in upper level sensor I 18 and upper level sensor II 19 place straight line, water level prewarning unit comprises the early warning water level alarm 1 be arranged in sump 24 upper cross-beam, upper level sensor I 18, upper level sensor II 19, lower level sensor I 22, lower level sensor II 23, early warning level sensor I 16, early warning level sensor II 17, early warning water level alarm 1 is connected with PLC respectively.
Timing water drainage device comprises timer I and timer II, and timer I is connected with PLC respectively with timer II.
For Yangquan Coal Industry (Group) Co., Ltd. ore deposit, mine multilevel drainage device design of the present invention is as follows:
Hydrogeology: stratum residing for this work plane is moisture abundant, and crack, mature fault, transmissibility is strong, and water yield is large, and norm al discharge rate is 15 ~ 25m
3/ h; Maximum flooding quantity is 45m
3/ h.The type selecting of centrifugal pump and number of units design: adopt model to be the centrifugal pump of 65-100, single Centrifugal pump drainage amount
q 0 for 25m
3/ h, efficiency is 69 %, and motor power (output) is 1.5KW.This work plane multistage intelligent dewatering installation adopts 6 centrifugal pumps, 3 one group, and one overhauls with one.Water drainage system design: work plane sump 24 is designed to two, commonly uses for one, and for subsequent use when another overhauls, long × wide × dark=15m × 8m × 3m, sump 24 floor space S is 120 ㎡, and its reservoir capacity is 360 m
3.Upper level sensor is positioned at the depth of water
h 1 for 2.7m place, lower level sensor is positioned at the depth of water
h 0 for 0.2m place, early warning level sensor is positioned at the depth of water
h 2 for 2.8m place, hollow pipeline I 20 and hollow pipeline II 41 spacing are 3m.Host computer being arranged maximum water burst speed is 93.35 m
3/ h, exceedes this value and is just judged to be gushing water.
A kind of mining multistage intelligent water discharge method, comprises the following steps:
1) prepare before draining: searchlight I 6, searchlight II 7, camera I 3, camera II 4 and camera III 5 whole day are opened;
2) the water speed data acquisition unit in work plane water speed control dewatering installation can be timing water drainage device to be provided into water data, calculates and obtains SEA LEVEL VARIATION rate, be multiplied by sump floor space obtain into water speed by SEA LEVEL VARIATION rate according to the horizontal movement of fluorescent belt 48; Concrete steps are: fluorescent belt 48 moves to right along with the rising of water level, camera I 3, camera II 4, camera III 5 mutually make up the other side clap less than the visual field, with the speed of 24 frames/s the horizontal movement of fluorescent belt 48 be filmed continuously and reach host computer through PLC, realizing water speed data acquisition function.With MATLAB software, obtained Video Quality Metric is become continuous print picture format in host computer, color three dimension picture processing after conversion is become denoising after the two-dimension picture of black and white, extract the stain representing fluorescent belt 48, calculate the grid number of fluorescent belt 48 process between 1/24s again, in conjunction with the ratio of single grid and real displacement, obtain SEA LEVEL VARIATION rate, be multiplied by sump floor space by SEA LEVEL VARIATION rate and obtain into water speed.Then obtained water inlet speed continuity point is fitted on host computer a smooth curve;
3) size of water inlet speed is compared, if water inlet speed is that flow per hour is less than 17.65m
3during/h, then enter step 4), adopt work plane timing drainage pattern; If water inlet speed is that flow per hour is between 17.65m
3/ h ~ 93.35m
3time between/h, then enter step 5), adopt work plane water level control drainage pattern; If water inlet speed is that flow per hour is greater than 93.35m
3/ h
time, then enter step 6), adopt work plane water speed control discharging mode;
4) work plane timing drainage pattern: the timing cycle of timer I and timer II is 24h, timer I timing at 22:00 to PLC drain signal, drain signal is dealt into host computer by PLC, when host computer receives drain signal, according to electricity price crest segment, the water inlet speed of section at ordinary times, determine now to open two centrifugal pumps, send draining order to PLC, after PLC receives draining order, open the centrifugal pump motor I 12 required by host computer immediately, centrifugal pump motor II 31 and electromagnetic valve I 11, electromagnetic valve II 30, by centrifugal pump I 13, vacuum pumping state in centrifugal pump II 32 pump housing, then electromagnetic valve I 11 is turned off, electromagnetic valve II 30, give automatic valve motor I 8 again, automatic valve motor II 27 is energized, automatic valve I 9 is at the uniform velocity regulated with a slower speed, automatic valve II 28, when water inlet pipe level sensor 47 has detected that water enters, give automatic valve I 9, automatic valve II 28 power-off immediately, carried out draining, timer II stops drain signal at 5:00 to PLC mono-, and PLC receives and stops after drain signal, controls automatic valve motor I 8, automatic valve motor II 27 reverses, and the speed of reversion and time are identical with the time with the speed of rotating forward when carrying out draining, if when before 5:00, water level arrives 0.2m, then descend level sensor I 22, lower level sensor II 23 to PLC mono-termination drain signal, after PLC receives and stops drain signal, this termination drain signal of direct process, control automatic valve motor I 8, automatic valve motor II 27 with the same time of phase same rate reversion correspondence, terminate drainage procedure.
5) work plane water level control drainage pattern: detect hollow pipeline I 20 middle water level, if water level arrives 0.2m, lower level sensor I 22, lower level sensor II 23 send the signal of telecommunication and turn off all centrifugal pump motor and electromagnetic valve to PLC, PLC, if water level arrives 2.7m, upper level sensor I 18, upper level sensor II 19 sends the signal of telecommunication to PLC, PLC opens all centrifugal pump motor (i.e. centrifugal pump motor I 12, centrifugal pump motor II 31, centrifugal pump motor III 38) and electromagnetic valve (i.e. electromagnetic valve I 11, electromagnetic valve II 30, electromagnetic valve III 37), by centrifugal pump I 13, centrifugal pump II 32, vacuum pumping state in centrifugal pump III 39 pump housing, then electromagnetic valve I 11 is turned off, electromagnetic valve II 30, electromagnetic valve III 37, give automatic valve motor I 8 again, automatic valve motor II 27, automatic valve motor III 34 is energized, at the uniform velocity regulate automatic valve I 9, automatic valve II 28, automatic valve III 35, when water inlet pipe level sensor 47 has detected that water enters, give automatic valve I 9 immediately, automatic valve II 28, automatic valve III 35 power-off, carry out draining, if water level arrives 2.8m, early warning level sensor I 16, early warning level sensor II 17 send the signal of telecommunication and are energized to early warning water speed alarm 2 to PLC, PLC, notify that workman withdraws,
6) work plane water speed control discharging mode: host computer sends draining order and enables sump 24 for subsequent use draining to PLC, PLC and be energized to early warning water speed alarm 2, notifies that workman withdraws, PLC opens centrifugal pump motor (the i.e. centrifugal pump motor I 12 of all control device simultaneously, centrifugal pump motor II 31, centrifugal pump motor III 38) and electromagnetic valve (i.e. electromagnetic valve I 11, electromagnetic valve II 30, electromagnetic valve III 37), by centrifugal pump I 13, centrifugal pump II 32, vacuum pumping state in centrifugal pump III 39 pump housing, then electromagnetic valve I 11 is turned off, electromagnetic valve II 30, electromagnetic valve III 37, give automatic valve motor I 8 again, automatic valve motor II 27, automatic valve motor III 34 is energized, at the uniform velocity regulate automatic valve I 9, automatic valve II 28, automatic valve III 35, when water inlet pipe level sensor 47 has detected that water enters, give automatic valve power-off immediately, carry out draining.Until water level arrives 0.2
mtime, when PLC receives termination of pumping signal, allow automatic valve motor I 8, automatic valve motor II 27, automatic valve motor III 34 with the reversion of phase same rate and rotating forward time same time.
In sum, this mining multistage intelligent dewatering installation can tackle various water burst situation automatically.
Describe the present invention by way of example above, but the invention is not restricted to above-mentioned specific embodiment, under the prerequisite not changing flesh and blood of the present invention, all any changes of doing based on the present invention or modification all belong to the scope of protection of present invention.
Claims (9)
1. a mining multistage intelligent dewatering installation, it is characterized in that: comprise work plane water speed control dewatering installation, described work plane water speed control dewatering installation comprises water speed data acquisition unit, water speed data processing unit, control unit and water speed prewarning unit, and described water speed data acquisition unit, control unit, water speed prewarning unit are connected with water speed data processing unit respectively.
2. mining multistage intelligent dewatering installation as claimed in claim 1, is characterized in that: described water speed data processing unit comprises host computer and PLC, PLC are connected with host computer, and described water speed data acquisition unit comprises hollow pipeline I, hollow pipeline II, wooden unit, iron block, belt, fluorescent belt, searchlight I, searchlight II, camera I, camera II, camera III, pipeline base I, pipeline base II, pipeline base I, pipeline base II is arranged on bottom sump, is provided with water seepage hole bottom hollow pipeline I, is plugged with sealed rubber plug bottom hollow pipeline II, and hollow pipeline I is parallel to each other with hollow pipeline II and respectively vertically inserts pipeline base I, in pipeline base II, wooden unit vertical hanging is in hollow pipeline I, and iron block vertical hanging is in hollow pipeline II, and belt two ends are separately fixed at wooden unit, on iron block, and belt middle and horizontal plane keeping parallelism, camera I, searchlight I, camera II, searchlight II, camera III is arranged on the crossbeam above sump successively, camera I, camera II, camera III signal output part is connected with PLC, and fluorescent belt spray is put on belt, and is in camera I, camera II, in camera III coverage.
3. mining multistage intelligent dewatering installation as claimed in claim 2, is characterized in that: described control unit comprises main drainpipe, secondary gutter, emptying pipeline and Multi-channel controller, every road control device includes centrifugal pump, centrifugal pump motor, automatic valve motor, automatic valve, manually-operated gate, water inlet pipe, electromagnetic valve, centrifugal pump motor is connected with centrifugal pump, the lower end of described water inlet pipe is positioned at sump, water inlet pipe inner bottom is provided with water inlet pipe level sensor, water inlet pipe upper end is connected with centrifugal pump water inlet, the exhaust opening of centrifugal pump is connected with emptying pipeline through electromagnetic valve, the delivery port of centrifugal pump is connected with secondary gutter through manually-operated gate, main drainpipe is connected on the pipeline between the delivery port of centrifugal pump and manually-operated gate through automatic valve, described automatic valve motor is connected with automatic valve, described water speed prewarning unit comprises the early warning water speed alarm be arranged in sump upper cross-beam, centrifugal pump motor, automatic valve motor, electromagnetic valve, early warning water speed alarm is connected with PLC.
4. mining multistage intelligent dewatering installation as claimed in claim 3, it is characterized in that: described automatic valve comprises valve handle, occlusal end, contact jaw, bearing, occlusal end is engaged just with valve handle, contact jaw is closely connected with occlusal end back and concordant with valve handle, and bearing is closely connected with contact jaw center back.
5. mining multistage intelligent dewatering installation as claimed in claim 3, it is characterized in that: also comprise work plane water-level control apparatus, described work plane water-level control apparatus comprises waterlevel data collecting unit and water level prewarning unit, and waterlevel data collecting unit comprises level sensor I, upper level sensor II, lower level sensor I, lower level sensor II, early warning level sensor I, early warning level sensor II, upper level sensor I, upper level sensor II and the water surface are equidistantly and be relatively embedded in hollow pipeline I upper face two ends, lower level sensor I, lower level sensor II is concordant with bottom water inlet pipe and be relatively embedded in hollow pipeline I lower surface two ends, early warning level sensor I and early warning level sensor II to be positioned at above upper level sensor I and to be relatively embedded in the surperficial two ends of hollow pipeline I, early warning level sensor I and early warning level sensor II place straight line parallel are in upper level sensor I and upper level sensor II place straight line, water level prewarning unit comprises the early warning water level alarm be arranged in sump upper cross-beam, upper level sensor I, upper level sensor II, lower level sensor I, lower level sensor II, early warning level sensor I, early warning level sensor II, early warning water level alarm is connected with PLC respectively.
6. mining multistage intelligent dewatering installation as claimed in claim 3, is characterized in that: also comprise timing water drainage device, and timing water drainage device comprises timer I and timer II, and timer I is connected with PLC respectively with timer II.
7. a mining multistage intelligent water discharge method, comprises the following steps:
1) prepare before draining: searchlight I, searchlight II, camera I, camera II and camera III whole day are opened;
2) obtain SEA LEVEL VARIATION rate according to the horizontal movement calculating of fluorescent belt, be multiplied by sump floor space by SEA LEVEL VARIATION rate and obtain into water speed;
3) compare water inlet speed size, if water inlet speed be flow per hour be less than S (
h 1 ﹣
h 0 during)/17, then enter step 4), adopt work plane timing drainage pattern; If water inlet speed be flow per hour between S (
h 1 ﹣
h 0 )/17 ~ S (
h 2 ﹣
h 0 )/17+3
q 0 between time, then enter step 5), adopt work plane water level control drainage pattern; If water inlet speed be flow per hour be greater than S (
h 2 ﹣
h 0 )/17+3
q 0 time, then enter step 6), adopt work plane water speed control discharging mode; Wherein
h 2 : early warning level sensor and sump bottom surface distance,
h 1 : upper level sensor and sump bottom surface distance,
h 0 : lower level sensor and sump bottom surface distance, S: sump floor space,
q 0 : single channel control device drain discharge hourly;
4) work plane timing drainage pattern: timer I timing at 22:00 to PLC drain signal, drain signal is dealt into host computer by PLC, when host computer receives drain signal, according to the water inlet speed of electricity price crest segment, at ordinary times section, determine the electric pump number now should opened, send draining order to PLC, after PLC receives draining order, open the centrifugal pump motor required by host computer and electromagnetic valve immediately, by vacuum pumping state in centrifugal pump body, then turn off electromagnetic valve, then give the energising of automatic valve motor, at the uniform velocity regulate automatic valve; When water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining; Timer II stops drain signal at 5:00 to PLC mono-, and PLC receives and stops after drain signal, controls the reversion of automatic valve motor, and the speed of reversion and time are identical with the time with the speed of rotating forward when carrying out draining;
5) work plane water level control drainage pattern: detect hollow pipeline I middle water level, if water level arrives
h 0 , lower level sensor I, lower level sensor II send the signal of telecommunication and turn off all centrifugal pump motor and electromagnetic valve to PLC, PLC; If water level arrives
h 1 upper level sensor I, upper level sensor II send the signal of telecommunication to PLC, PLC opens all centrifugal pump motor and electromagnetic valve, by vacuum pumping state in centrifugal pump body, then turn off electromagnetic valve, then give the energising of automatic valve motor, at the uniform velocity regulate automatic valve, when water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining; If water level arrives
h 2 , early warning level sensor I, early warning level sensor II send the signal of telecommunication and are energized to early warning water speed alarm to PLC, PLC, notify that workman withdraws;
6) work plane water speed control discharging mode: host computer sends draining order and is energized to early warning water speed alarm to PLC, PLC, notifies that workman withdraws; PLC opens centrifugal pump motor and the electromagnetic valve of all control device simultaneously, by vacuum pumping state in centrifugal pump body, then electromagnetic valve is turned off, give the energising of automatic valve motor again, at the uniform velocity regulate automatic valve, when water inlet pipe level sensor has detected that water enters, give automatic valve power-off immediately, carried out draining.
8. mining multistage intelligent water discharge method as claimed in claim 7, it is characterized in that: the concrete steps of described step 1) are: fluorescent belt moves to right along with the rising of water level, camera I, camera II, the horizontal movement of fluorescent belt to be filmed with the speed of 24 frames/s and to reach host computer through PLC by camera III continuously, obtained Video Quality Metric is become continuous print picture format by host computer, color three dimension picture processing after conversion is become denoising after the two-dimension picture of black and white, extract the stain representing fluorescent belt, calculate the grid number of fluorescent belt process between 1/24s again, in conjunction with the ratio of single grid and real displacement, obtain SEA LEVEL VARIATION rate, be multiplied by sump floor space by SEA LEVEL VARIATION rate to obtain into water speed.
9. mining multistage intelligent water discharge method as claimed in claim 7, is characterized in that: in described step 4), if water level arrives before 5:00
h 0 place, then descend level sensor I, lower level sensor II to stop drain signal to PLC mono-, after PLC receives and stops drain signal, controls automatic valve motor and reverse, and the speed of reversion and time are identical with the time with the speed of rotating forward when carrying out draining.
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