CN109139116A - A kind of underground emergency water level monitoring system and method - Google Patents
A kind of underground emergency water level monitoring system and method Download PDFInfo
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- CN109139116A CN109139116A CN201811224195.2A CN201811224195A CN109139116A CN 109139116 A CN109139116 A CN 109139116A CN 201811224195 A CN201811224195 A CN 201811224195A CN 109139116 A CN109139116 A CN 109139116A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
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- 239000000523 sample Substances 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims 1
- 230000009172 bursting Effects 0.000 abstract description 10
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
Abstract
The invention discloses a kind of underground emergency water level monitoring system, monitor, control panel, the winch for being wrapped cable and the measuring probe for being placed in underground including being placed in well site；It further include float for fishing sounding gear, for measuring probe by cable connection control panel, monitor connects control panel, before float for fishing sounding gear is placed in measuring probe camera lens, and connects on the measurement probe, and provide a kind of method using the system.Beneficial effects of the present invention: real-time detection height of water level is realized by this system, and it draws water level and changes over time tendency chart, qualitative and quantitative assessment to water bursting in mine amount, anticipation water bursting in mine situation and water plugging effect of speedily carrying out rescue work in advance, help is provided for schedule ahead coal mine work in every, the continuity for improving work efficiency and monitoring.
Description
Technical field
The present invention relates to a kind of underground coal mine harness the river system and method more particularly to a kind of underground emergency water level monitoring
System and method.
Background technique
Ore body believes underground water (pore water water source, crevice water water source, karst water water source), surface water water in country rock gap
Source gushes out under pressure, referred to as water burst.Amount is big, gesture is violent, the water burst of burst, referred to as gushing water.Harmfulness is very big.Water blockoff is
Finger intercepts underground gushing water.For in prevention mining process suddenly water burst and causing involve full mine flood well accident, usually worn in tunnel
It crosses and water dam and mine dam is set on the suitable hair location of the water barrier of sufficient intensity.
On May 25th, 2017, the 12123 working face Di Chou lane connection roadways that two mine of Pan opens up the construction of 3rd areas, 303 team occur one
Water inrush accident is played, mine is caused to be flooded.Since downhole video monitoring system can not work, personnel can not go into the well, office's mine necks at different levels
Lead can not understand underground gushing water situation with expert and mine floods degree in time.At this crucial moment, exploration department's ground object
It visits team to be entrusted with a mission at a critical and difficult moment, carries video recording logging instrument in well all through the night and go to Pan Erkuang auxiliary well head, mine has promptly been built by auxiliary shaft
Well emergency water level monitoring system, becomes innings mine leaders and expert understands unique channel of underground gushing water situation in time.
Great water inrush accident once occurs for underground coal mine, and personnel can not go into the well, and underground equipment cannot work, and ground staff is not
Underground can be understood in time by the situation of flooding, bring great difficulty to rescue operation, can not prejudge in advance water bursting in mine situation and
It speedily carries out rescue work water plugging effect, provides help for schedule ahead work in every.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of to solve to implement to monitor in above-mentioned background technique
Underground water level can not prejudge the underground emergency water level monitoring system and method for underground gushing water situation in advance.
The present invention is to solve above-mentioned technical problem by the following technical programs: the present invention discloses a kind of underground emergency water level
Monitoring system, monitor, control panel, the winch for being wrapped cable and the measurement for being placed in underground including being placed in well site are visited
Head；Measuring probe connects control panel by cable connection control panel, monitor.
Preferably, further include float for fishing sounding gear, before float for fishing sounding gear is placed in measuring probe camera lens, and be connected to measurement
On probe.
Preferably, the float for fishing sounding gear includes setline, float for fishing, lead；Float for fishing is pretended to visit in measurement by fishing line
Before the camera lens of head, lead is connected to float for fishing bottom.
Preferably, the measuring probe is logging instrument of recording a video in SYKJ-18 type well.
Preferably, the cable is equipped with label.
The present invention also provides a kind of methods being monitored using underground emergency water level monitoring system, and specific steps are such as
Under:
(1) monitor, control panel, winch, measuring probe, float for fishing sounding gear are arranged, and according to real-time water level,
It draws water level and changes over time tendency chart；
(2) combined according to the SEA LEVEL VARIATION tendency chart drawn in step (1) with space of mine construction, judge water burst
The speed or size of amount, and calculate water yield；
(3) quantity that allotment pumps and then the water yield judged, maintains the basicly stable of water level.
Preferably, the formula of water yield is calculated in step (2) are as follows:
Qy=(Q1bΔT1+Q2bΔT2+·····QnbΔTn)/(ΔTIt takes out+ΔTIt is extensive)
Wherein, Q1bFor the pump amount of First pump, Δ T1For the time of pumping of First pump, Q2bThe pump amount pumped for second,
ΔT2The time of pumping pumped for second, QnbFor the pump amount of N platform pump, Δ TnFor drawing water for N platform pump
Time, Δ TIt takes outFor from turn on pump to the total time for closing pump, Δ TIt is extensiveThe recovery time for being water level from low water level to high water level, Qy is water burst
Amount.
Preferably, the formula of water yield is calculated in step (2) are as follows:
Qy=V*H
Wherein, V is the volume that auxiliary shaft height is one meter, and H is the height that water level rises per hour, and Qy is water yield.
The present invention has the advantage that the present invention is visited by monitor, control panel, winch, measurement compared with prior art
Head realizes real-time detection height of water level, records SEA LEVEL VARIATION, provides data source to draw water level time trend figure；
And float for fishing sounding gear has been installed additional in the camera lens front end of measuring probe, camera no longer contacts the water surface, to make water
Bit depth measurement and video monitor does not interfere with each other, greatly reduce mention cleaning camera number, improve work efficiency and
The continuity of monitoring；
And SEA LEVEL VARIATION tendency chart and space of mine structure are combined, by the qualitative and quantitative assessment to water bursting in mine amount,
Water bursting in mine situation can be prejudged in advance and water plugging effect of speedily carrying out rescue work, provide help for schedule ahead coal mine work in every.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of underground emergency water level monitoring system of the present invention；
Fig. 2 (a) is SEA LEVEL VARIATION tendency chart；
Fig. 2 (b) is SEA LEVEL VARIATION tendency chart；
Fig. 2 (c) is SEA LEVEL VARIATION tendency chart；
Fig. 2 (d) is SEA LEVEL VARIATION tendency chart；
Fig. 2 (e) is SEA LEVEL VARIATION tendency chart；
The pit shaft and tunnel schematic diagram of Fig. 3 method one；
One water inrush quantity of Fig. 4 method changes schematic diagram；
The pit shaft and tunnel schematic diagram of Fig. 5 method two.
Figure label: monitor 1, control panel 2, winch 3, cable 31, measuring probe 4, float for fishing sounding gear 5, fishing line
51, float for fishing 52, lead 53, auxiliary shaft 6, tunnel 7, inclined gallery 8.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
The water level monitoring system as shown in Figure 1, a kind of underground of the present embodiment is met an urgent need, monitor 1, control including being placed in well site
Panel 2, the winch 3 for being wrapped cable 31 and the measuring probe 4 for being placed in underground；Measuring probe 4 passes through the connection control of cable 31
Panel 2, monitor 1 connect control panel 2, touch water by the picture of the camera shooting of measuring probe 2 and according to measuring probe 4
When the water surface on the spray that rises change to judge water surface depth, and be transferred to control panel 2 and handled, and on display 1
Show underground picture.
The present embodiment further includes float for fishing sounding gear 5, before float for fishing sounding gear 5 is placed in 4 camera lens of measuring probe, and is connected to
On measuring probe 4.
The float for fishing sounding gear 5 includes setline 51, float for fishing 52, lead 53；Float for fishing 52 is pretended surveying by fishing line 51
Before the camera lens of amount probe 4, lead 53 is connected to 52 bottom of float for fishing, specifically, with fishing line 51 before the camera of measuring probe 4
400mm is held to install brightly painted float for fishing 52 (fish float) additional, 52 bottom of float for fishing is far from carrying additionally plummet 53 at the 10mm of lowest point.Float for fishing 52
After touching water, slave vertical state gradually becomes horizontal and lies low on the water surface to entire 52 level of float for fishing, and whole process is clearly shown
On monitoring display 1, and float for fishing 52 touches after water that become horizontality transit time from vertical state abundant, thus can benefit
Fluctuation in stage is tracked with float for fishing 52, records water level depth；
Under the premise of the setting of float for fishing sounding gear 5 can not influence original camera function, by observation float for fishing 52 in water
Whether face is in horizontality to measure water level, and camera no longer contacts the water surface, and a large amount of greasy dirts of floating on water is avoided to hold very much
Easily covering camera glass, keeps image smudgy, influences video monitor, the number that camera is cleaned is mentioned in reduction, and
The a large amount of sleepers that can be avoided floating on water break camera；It is not interfere with each other water level depth measurement and video monitor, is subtracted significantly
The number for above mentioning cleaning camera, the continuity for improving work efficiency and monitoring are lacked.
Preferably, the measuring probe is logging instrument of recording a video in SYKJ-18 type well.
And artificial counting is carried out to cable 31, it is direct in this way at interval of one meter of progress handmarking's counting in cable 31
Depth is measured from cable 31, it is accurate.
A large amount of water level monitoring data are depicted as patterned SEA LEVEL VARIATION tendency chart in time, is conducive to us and water level is become
Change and carry out long-term, continuous, intuitive research, is conducive to the situation of change for studying and judging water bursting in mine according to SEA LEVEL VARIATION tendency chart, and
Qualitative and quantitative assessment can be carried out to water bursting in mine amount.
Fig. 2 (a)-Fig. 2 (e) is partial level trend chart, can be analyzed according to trend in figure the underground flow of water,
Abscissa is the time in figure, and 1 hour/lattice, ordinate was depth, and from top to bottom data are incremented by depth, 1 meter/lattice；
Be analyzed as follows according to real use state: for Fig. 2 (a), 28~June 9 May the SEA LEVEL VARIATION tendency chart (longitudinal axis
Depth bounds 514-540m), display no manual intervention state goes down into a mine water burst SEA LEVEL VARIATION tendency chart, and water level rises naturally, mine
Well Water Level rises to 513 meters from 544 meters (well head is hereinafter, rear same), and several horizontal segments in figure are water bursting in mine in filling underground
Large stretch of tunnel or goaf.And rest part is then to keep rising by rough slope, be can reflect and in advance from a side
Sentence the size of water bursting in mine speed；
For Fig. 2 (b), SEA LEVEL VARIATION tendency chart on 10-June 22 June (longitudinal axis depth bounds 508-527m) is from June 10
Day, start to draw water to the progress manual intervention of gushing water process, water level decreasing when drawing water, water level restores to rise after termination of pumping, from twice
The slope of water level recovery curve sees that the two is essentially identical after termination of pumping.Indicate that water level resume speed is essentially identical, it is anti-from a side
It has answered the effect of underground water blockoff at that time not yet to show, has there is water pump to maintain operation ever since, kept water level basicly stable.
Fig. 2 (c) is the SEA LEVEL VARIATION tendency chart of 23-7 in the June month 5 (longitudinal axis depth bounds 508-527,527-541m), June
Start to be taken out by force at 29 days 6, water level is made to drop to 563 meters of July 8 in Fig. 2 (d) from 509 meters of straight lines.
It observes Fig. 2 (d), the SEA LEVEL VARIATION tendency chart of the 6-7 month in July 18 (longitudinal axis depth bounds 541-560m) and Fig. 2
(e) the SEA LEVEL VARIATION tendency chart of 19-7 in the July month 31 (longitudinal axis depth bounds 541-560m), by adjusting operation water pump quantity not
Together, the basicly stable of water level is maintained always, and in this course, water blockoff work in underground is carrying out always, keeps base in water level
In the case where this stabilization, the size of mine water outlet can also be qualitatively judged by the size of statistics operation water pump pump amount.
On the other hand, there is apparent notching curve at three in Fig. 2 (e), be caused by drawing water, concave curved under analyzing this at three
Line illustrates that inflow rate of mine water is subtracting, it is apparent that the time is increasingly longer from left to right when water level is restored to same position after termination of pumping
It is small, water blockoff also is reflected from side and has had already appeared effect, and water blockoff, which refers to, intercepts underground gushing water.
It can be seen that swallet, water blockoff situation can be learnt from by water table trend map analysis.
Furthermore the present invention also provides a kind of methods being monitored using underground emergency water level monitoring system, specifically
Steps are as follows:
(1) monitor 1, control panel 2, winch 3, measuring probe 4, float for fishing sounding gear 5 are arranged, and according to real-time
Water level draws water level and changes over time tendency chart；
(2) combined according to the SEA LEVEL VARIATION tendency chart drawn in step (1) with space of mine construction, judge water burst
The speed or size of amount, and calculate water yield；
(3) quantity that allotment pumps and then the water yield judged, maintains the basicly stable of water level.
Calculating for water provides two kinds of calculation methods herein:
Method one: calculating water yield using drawing water, and the quantitative assessment of water inrush quantity can effectively judge the stopping up water work later period of speedily carrying out rescue work
Water plugging effect.Method one combines water level recovery time after water pump pump amount, time of pumping, termination of pumping, and totally three parameters calculate gushing water
Amount, method are simple and convenient.
Its principle, in conjunction with shown in Fig. 3 (auxiliary shaft and tunnel connection schematic diagram, be not drawn into the space layouts such as goaf),
When water level changes to B from A, the water in all spaces between A and B absolute altitude can be drained, and when water level is restored to A from B
When setting, all spaces between A and B absolute altitude can be filled with water again, no matter this spatial volume be it is much, the two is equal
's.
It is assumed that starting turn on pump when auxiliary shaft water level reaches location A and drawing water (it is assumed that only opening a pump), Running pump time is
T1.After a period of time, water level decreasing is to B location, and the time is T2 at this time.Water level will be slow rising after termination of pumping, it is assumed that pass through
Water level is restored to location A again after at one section, and the time is T3 at this time.
T1~T2 stage total pump-out are as follows: Q1b (T2-T1), value are equal to the inflow rate of mine water Qy of T2-T1 this period
(T2-T1) and A is to the water-holding quantity of volumes all between B water level, and the mine that this water-holding quantity is equal to T2~T3 stage always gushes
Water is Qy (T3-T2).
That is: Q1b (T2-T1)=Qy (T2-T1)+Qy (T3-T2)
Water yield so hourly: Qy=Qb (T2-T1)/(T3-T1)
Wherein, Q1b is the pump amount of First pump, and Qy is water yield, and unit is cube m/h.
By above formula as it can be seen that there are relationship in Qy and pump amount and time, and it is not related with water body volume.
So for using N platform to pump, restores from Running pump time to after closing pump to the stage of original water level, calculate water yield
Formula are as follows:
Qy=(Q1bΔT1+Q2bΔT2+·····QnbΔTn)/(ΔTIt takes out+ΔTIt is extensive)
Wherein, Q1bFor the pump amount of First pump, Δ T1For the time of pumping of First pump, Q2bThe pump amount pumped for second,
ΔT2The time of pumping pumped for second, QnbFor the pump amount of N platform pump, Δ TnFor drawing water for N platform pump
Time, Δ TIt takes outFor from turn on pump to the total time for closing pump, Δ TIt is extensiveThe recovery time for being water level from low water level to high water level, Qy is water burst
Amount.
Using above-mentioned calculation method, water yield (the wherein flow hourly in a period of time) is calculated.
For example, as shown in figure 4, starting draw water (pump), water level is 550.89m at this time, until B when water level is in location A
Position (T2) termination of pumping, water level 558.21m are about 12 hours time-consuming.Hereafter water level starts slowly to restore, until location A (T3) water level
Reach 550.89m, it is about 26 hours time-consuming, it is known that the pump amount of this pump is 700m3/h.Then water yield:
Qy=Q1b (T2-T1)/(T3-T1)=700*12/ (12+26)=221.05m3/h
But in above-mentioned calculating process, we assume always Qy value be it is constant, this can be with when water plugging effect does not show
Set up, but in the water blockoff later period, water plugging effect gradually shows, up to 38 hours draw water and water level recovery process in, Qy value is agreed
Surely it can be gradually reduced.To reduce this error, we need not stick to variation of the water level from A to B, can shorten as far as possible between AB
Every, therefore can then minimize this error using ab sections in Fig. 4, as follows using ab sections of evaluations: we take a water
Place value 551.05m, b water level is 558.21m when termination of pumping, 8 hours time-consuming, and water level is restored to 551.05m after termination of pumping, and time-consuming 18 is small
When, it is known that the pump amount of this pump is 700m3/h.Then:
Qy=Q1b (T2-T1)/(T3-T1)=700*8/ (8+18)=215.38m3/h
It can be seen that calculating error can be effectively reduced by shortening AB value.
Method two: when water level is constantly in tunnel or less position, it can use wellbore volume and calculate total water yield；
In the stopping up water work later period, by water pump continuous pumpage, water level can be down to main entry in auxiliary shaft 6 with bottom
It sets, as shown in Figure 5.It is assumed that when water pump is wholly off draw water when water level be B, hereafter swallet can flow into auxiliary shaft by tunnel
Pit shaft makes water level gradually rise up to A.Since pit shaft perimeter is fixed, it is easy to learn the volume that pit shaft height is one meter.And on water level
Lifting speed we can by well record a video logging instrument accurately be measured.
So, water yield calculation formula hourly are as follows:
Qy=V*H
Wherein, V is the volume that auxiliary shaft height is one meter, and H is the height that water level rises per hour, and unit is rice, Qy
For water yield.
For example, about 80 cubic metres of every meter of volume of pit shaft, water level rises 0.70 meter per hour, thus:
Qy==80*0.70=56m3/h
By the foundation of underground emergency water level monitoring system, while by control panel 2 to auxiliary well head water level monitoring number
According to processing and analysis, and can from monitor 1 real-time monitoring SEA LEVEL VARIATION, can prejudge and water bursting in mine situation and speedily carry out rescue work in advance
Water plugging effect, provides help for schedule ahead work in every, be for gushing water emergency work it is indispensable, have it is great
Economy and practical value.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
- The water level monitoring system 1. a kind of underground is met an urgent need, which is characterized in that monitor, control panel, winding including being placed in well site The winch of cable and be placed in the measuring probe of underground；Measuring probe passes through cable connection control panel, monitor connection control Panel processed.
- The water level monitoring system 2. a kind of underground according to claim 1 is met an urgent need, which is characterized in that further include float for fishing depth measurement dress It sets, before float for fishing sounding gear is placed in measuring probe camera lens, and connects on the measurement probe
- The water level monitoring system 3. a kind of underground according to claim 2 is met an urgent need, which is characterized in that the float for fishing sounding gear Including setline, float for fishing, lead；Float for fishing is pretended before the camera lens of measuring probe by fishing line, and lead is connected to float for fishing bottom.
- The water level monitoring system 4. a kind of underground according to claim 1 is met an urgent need, which is characterized in that the measuring probe is It records a video in SYKJ-18 type well logging instrument.
- The water level monitoring system 5. a kind of underground according to claim 1 is met an urgent need, which is characterized in that the cable is equipped with people Work label.
- 6. a kind of method being monitored using any underground emergency water level monitoring system of the claims 2-5, special Sign is, the specific steps are as follows:(1) monitor, control panel, winch, measuring probe, float for fishing sounding gear are arranged, and according to real-time water level, is drawn Water level changes over time tendency chart；(2) combined according to the SEA LEVEL VARIATION tendency chart drawn in step (1) with space of mine construction, judge water yield Speed or size, and calculate water yield；(3) quantity that allotment pumps and then the water yield judged, maintains the basicly stable of water level.
- The water level monitoring system 7. a kind of underground according to claim 6 is met an urgent need, which is characterized in that calculate and gush in step (2) The formula of water are as follows:Qy=(Q1bΔT1+Q2bΔT2+·····QnbΔTn)/(ΔTIt takes out+ΔTIt is extensive)Wherein, Q1bFor the pump amount of First pump, Δ T1For the time of pumping of First pump, Q2bThe pump amount pumped for second, Δ T2 The time of pumping pumped for second, QnbFor the pump amount of N platform pump, Δ TnFor N platform pump time of pumping, ΔTIt takes outFor from turn on pump to the total time for closing pump, Δ TIt is extensiveThe recovery time for being water level from low water level to high water level, Qy is water yield.
- The water level monitoring system 8. a kind of underground according to claim 6 is met an urgent need, which is characterized in that calculate and gush in step (2) The formula of water are as follows:Qy=V*HWherein, V is the volume that auxiliary shaft height is one meter, and H is the height that water level rises per hour, and Qy is water yield.
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