CN208568822U - More drilling water-bearing layer water flow flow rate and directions measure system - Google Patents
More drilling water-bearing layer water flow flow rate and directions measure system Download PDFInfo
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- CN208568822U CN208568822U CN201821031769.XU CN201821031769U CN208568822U CN 208568822 U CN208568822 U CN 208568822U CN 201821031769 U CN201821031769 U CN 201821031769U CN 208568822 U CN208568822 U CN 208568822U
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Abstract
The utility model relates to hydrogeological parameter determination techniques systems, and in particular to a kind of more drilling water-bearing layer water flow flow rate and directions measurement systems, comprising: drilling, there have to be multiple, and setting is not less than the soil water-containing layer depth of target area in target area ground, drilling depth；Electrode has multiple, is separately positioned on bore inner, and electrode tip is contacted with water-bearing layer water flow, for conduction；Power supply unit is connect with one of electrode, for by electrode, into water-bearing layer, water flow to be powered；Measuring device is connect with remaining electrode, for passing through the current potential in electrode measurement electrode end water-bearing layer.Technical solution provided by the utility model is to be arranged test macro using mise-a-la-masse method based on more borehole conditions in multiple drillings, measured by isopotential point, can efficiently, fast, accurately, "dead" pollution measure the flow rate and direction of deep hole underground water.
Description
Technical field
The utility model relates to hydrogeological parameter determination techniques systems, and in particular to a kind of water-bearing layer water flow streams that drill more
Flow speed and direction measures system.
Background technique
In engineering practice, many engineering projects need to carry out hydrogeology and engineering in the multiple drillings of engineering ground construction
Geologic parameter reconnaissance, with can the construction of more accurate evaluation engineering when hydrogeologic condition, such as mine pit shaft engineering can be in well
Before tube construction, a series of pilot hole of shaft of constructing；It is passed through in pit shaft and needs to carry out using the more outer freezing holes of construction in Moderate and Thick Unconsolidated Formation
During which Freezing stratum as rapid etc. needs to be grasped the parameters such as flow rate of water flow and the flow direction of aquifer, effectively instruct pit shaft perfusion slurry
Equal engineering constructions.
Disclosing during drilling construction has Deep Groundwater water-bearing layer, and flow rate of water flow, the flow direction in water-bearing layer etc. are one
Important hydrogeological parameter.The grasp of these parameters has for understanding the engineering constructions such as Groundwater Flow and boredpile
Important directive significance.
Currently, the method for measurement groundwater velocity and direction mainly has indirect water pumping experiment method and direct trace method.Between
It connects water pumping experiment method and water level contour map is drawn to obtain by triangular countersink method, calculate to obtain flow rate and direction indirectly, and bailing test can disturb
Natural flow field, result reliability and representativeness are poor, and this method is complicated for operation, are especially more difficult reality in water-bearing layer great burying
It applies.Direct trace method is mainly Single well isotope dilution technology, using radioactive isotope as tracer.Nineteen fifty-seven Germany scientist
Moser is proposed to measure groundwater velocity and direction in individual well using radioactive isotope as indicator first, up to now, is somebody's turn to do
The seepage velocity flow direction of underground water achieves great success in method measurement water-bearing layer.But still there is can not for this method
The shortcomings that ignorance, the dilution test of isotope single hole belong in tracer launch process with hot operation, the same position of radioactivity
The storage of element, scene are launched, are protected, test and support staff's cooperating are easy to happen radioactive accident, to staff
Health of human body and environment cause extremely serious injury.And radioactive tracer type is rare and is all needed again using preceding every time
It examines whether it is applicable in, has some limitations.
Direct trace method generally comprises porous tracer test and single well tracer is tested:
Porous tracer test generally comprises a throwing source aperture and several monitoring holes, puts into tracer throwing in source aperture,
The variation of monitoring tracer concentration in monitoring holes, since the quantity in hole is more, so experimentation cost is high, the test period is long；
Single well tracer test is a kind of flow rate and direction detection method theoretical based on single hole dilution, in current groundwater velocity
It has a wide range of applications in flow direction detection, but in detection process, needing to pop one's head in could accurately be measured positioned at drilling center
Flow velocity and flow direction, and since probe size and drilling size have a certain distance, can all occur generally in measurement process partially
The case where heart, so as to cause measurement distortion.Also, in existing detection device, the probe of device is generally large, to place
The module needed, due to the effect of probe, underground water can because probe there are due to be interfered, therefore produce the result detected
Raw error.And the general buried depth in water-bearing layer of deep drill is larger, correlation technique is not suitable for carrying out borehole measurement,
Therefore, a kind of more safely, quickly accurate deep hole groundwater velocity and direction measuring method and system are needed.
Utility model content
In consideration of it, the utility model provides one kind mostly drilling water-bearing layer water flow flow rate and direction measurement system, based on more drillings
Condition arranges test macro in multiple drillings, measured by isopotential point using mise-a-la-masse method, can efficiently, it is quick, accurate,
Measure to "dead" pollution the flow rate and direction of deep hole underground water.
To achieve the goals above, the utility model provides the following technical solutions:
The utility model provides one kind mostly drilling water-bearing layer water flow flow rate and direction measurement system, comprising:
Drilling, the drilling have multiple, and on target area ground, drilling depth contains not less than the soil of target area for setting
Water depth；
Electrode, the electrode have multiple, are separately positioned on bore inner, electrode tip is contacted with water-bearing layer water flow, is used for
It is conductive；
Power supply unit, the power supply unit are connect with one of electrode, for by electrode, into water-bearing layer, water flow to be supplied
Electricity；
Measuring device, the measuring device are connect with remaining electrode, for passing through electrode measurement electrode end water-bearing layer
Current potential.
In above-mentioned more drilling water-bearing layer water flow flow rate and direction measurement systems, it is preferable that further include:
Time set, the time set carry out the operating time to electrode or drilling for recording；
Preferably, the time set be used for record to drilling launch electrolyte time and every time measure current potential when
Between.
In above-mentioned more drilling water-bearing layer water flow flow rate and direction measurement systems, it is preferable that the drilling is according to certain rules
Distribution；
Preferably, the drilling is arranged in M shape or cross；
More preferably, electrode includes current electrode and measuring electrode, and the current electrode is arranged in cross or M shape
The bore inner of center, multiple measuring electrodes are separately positioned on remaining bore inner；
More preferably, the current electrode is connect with power supply unit, and the measuring electrode is connect with measuring device；
More preferably, the current electrode and measuring electrode end are in the same depth in water-bearing layer.
In above-mentioned more drilling water-bearing layer water flow flow rate and direction measurement systems, it is preferable that the measuring device includes surveying
Test instrument, measurement cable and pulley, on the external ground that drills, the pulley is fixed at drilling hole for the test equipment setting
Above mouthful, described measurement cable one end connecting test instrument, the other end protrudes into drilling after bypassing pulley vertically and connects in drilling
The measuring electrode in portion；
Preferably, the power supply unit includes power supply, service cable and pulley, and the power supply setting is drilling externally
Face, the pulley are fixed above drilling orifice, and service cable one end connecting test instrument, the other end bypasses pulley
Drilling is protruded into vertically afterwards and connects the current electrode of bore inner.
Compared with the immediate prior art, technical solution provided by the utility model has following excellent effect:
The utility model provides one kind mostly drilling water-bearing layer water flow flow rate and direction measurement system, has as follows
The utility model has the advantages that
1, the measuring method working principle of the utility model is clear, and measurement process is simple and convenient, high production efficiency, as a result quasi-
It is really reliable, there is wide applicability；
2, component used in the measuring method of the utility model is universal, is not necessarily to specially treated, and cheap, method is easy real
It is existing；
3, charge bulk scale used by the measuring method of the utility model is bigger, bury it is more shallow, using the effect of mise-a-la-masse method
Fruit is more ideal, and measuring point is arranged in drilling water-bearing layer this method, and charge bulk is larger, opposite to bury shallower, method application
It is ideal；
4, the measuring method of the utility model launches electrolyte, and radioactive accident will not occur, will not be to staff people
Body health and environment cause extremely serious injury.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Wherein:
Fig. 1 is the process of more drilling water-bearing layer water flow flow rate and direction measuring methods provided by an embodiment of the present invention
Schematic diagram；
Fig. 2 is the stream of more drilling water-bearing layer water flow flow rate and direction measuring methods provided by another embodiment of the utility model
Journey schematic diagram；
Fig. 3 is the stream of more drilling water-bearing layer water flow flow rate and direction measuring methods provided by another embodiment of the utility model
Journey schematic diagram；
Fig. 4 is the schematic illustration that normal equipotential line and abnormal equipotential line determine flow direction；
Fig. 5 is that the structure that more drilling water-bearing layer water flow flow rate and directions measure system provided by the utility model embodiment is shown
It is intended to；
Fig. 6 is the measurement dress that more drilling water-bearing layer water flow flow rate and directions measure system provided by the utility model embodiment
Set structural schematic diagram；
Fig. 7 is more drilling water-bearing layer water flow flow rate and directions measurement systems provided by the utility model embodiment for Denso
Set structural schematic diagram.
Description of symbols:
1- centre-drilling hole；The normal equipotential line of 2-；The abnormal equipotential line of 3- first；4- first is flowed to；The abnormal equipotential line of 5- second；
6- second is flowed to；7- is eventually flowed to；8- measurement drilling；9- service cable；10- pulley；The water-bearing layer 11-；12- current electrode；13-
Power supply；14- test equipment；15- measures cable；16- measuring electrode.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.
In the description of the present invention, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of description the utility model rather than requires the utility model that must be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.Term used in the utility model " connected ", " connection " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be directly connected, it can also be indirect by intermediate member
It is connected, for the ordinary skill in the art, can understands the concrete meaning of above-mentioned term as the case may be.
As shown in Figure 1, embodiment according to the present utility model, provides one kind mostly drilling water-bearing layer water flow flow rate and direction and surveys
Determine method, comprising the following steps:
Step S101, electrode is set in multiple drillings；The target water-bearing layer center in drilling, so-called mesh is arranged in electrode
Water-bearing layer is marked, as needs to measure the water-bearing layer of direction of groundwater flow flow velocity.
Step S102, it powers to the electrode in one of drilling；Suitable position is chosen according to the direction of groundwater flow of prediction
Drilling, the electrode of the bore inner is powered.For example, prediction direction of groundwater flow is from West to East, then to choose close to west
The drilling of side is powered the electrode in it；For example, unpredictable direction of groundwater flow, then choose in multiple drillings
It drills at heart position, the electrode in it is powered.
Step S103, electrolyte is put into the drilling of current electrode, and records the release time.
Step S104, the electrode potential in remaining drilling is measured, and records the potential measurement time.
Step S105, the flow velocity and flow direction of water-bearing layer water flow are determined.It launches the target water-bearing layer position studied in the borehole
Electrolyte is as indicator, because drilling discloses water-bearing layer, is put into electrolyte in the borehole, electrolyte will be constantly by underground water
It dissolves and brings into water-bearing layer, and the electrolyte low-resistance extended along water (flow) direction can be formed in the water-bearing layer around drilling
Band, this low-resistance belt are in an equipotential body in the electric field.Pass through the equal electricity generated in the electric field to electrolyte low-resistance belt in water-bearing layer
The displacement of bit line at any time measures direction of groundwater flow and groundwater velocity.More drilling water-bearing layer flow rate of water flow streams of the present embodiment
It is measured to hydrogeological parameters such as measuring method achievable mine deep hole water-bearing layer flow rate and directions.
As shown in Fig. 2, embodiment according to the present utility model, provides another specific water-bearing layer water flow streams that drill more
Flow speed and direction measuring method, comprising the following steps:
Step S201, arrange that multiple drillings, multiple drillings are distributed according to certain rules on target area ground；By certain
Geometry rule be distributed drilling, for the landform of different situations, select different distribution of boreholes rules, be more advantageous to record and survey
The location information for measuring drilling, can also be used to the existing drilling of engineering site, regular to choose some drillings.
Step S202, the position data of each drilling is measured and recorded；Drilling location information is recorded, to draw equipotential
More intuitive hydrogeological parameter is provided when line or calculating flow velocity.
Step S203, electrode is set in multiple drillings.
Step S204, it powers to the electrode in one of drilling；Current electrode is powered by DC power supply, it should
Current electrode and current electrode nearby obtain high current potential.
Step S205, remaining drilling electrode current potential is measured, normal equipotential line is obtained；Using infinite point as zero-potential point,
Isopotential point is measured and found in the borehole for the current potential of a certain predetermined value, for the drilling by the distribution of certain geometry rule
And electrode, multiple isopotential points will be obtained, by the bore position of multiple isopotential points, centered on being drilled by current electrode, will be drawn
The equipotential line of the current potential of the predetermined value, as normal equipotential line, theoretic normal equipotential line is circle.
Step S206, electrolyte is put into the drilling of current electrode, and records the release time；Put into electrolyte salinization mesh
The underground water for marking water-bearing layer forms the electrolyte low-resistance belt extended along water (flow) direction in the water-bearing layer around drilling, this
Low-resistance belt is in an equipotential body in the electric field.
Step S207, launch electrolyte certain time (depending on apparent groundwater velocity, generally 2h~3h；It is very slow in flow velocity
Area, sometimes need to be every 5h~6h) after, measure remaining drilling in electrode potential, obtain abnormal equipotential line.Institute in the utility model
The certain time that the dispensing electrolyte of finger starts after a certain period of time in measurement drilling in electrode potential is according to production application
What middle geologic aspects was set, the utility model does not limit this.
Step S208, electrode potential in remaining drilling of duplicate measurements, obtains a plurality of abnormal equipotential line.
Step S209, abnormal equipotential line is compared with normal equipotential line, obtains the flow direction of water-bearing layer water flow；It is multiple different
Normal equipotential line is ellipse, and transverse is directed toward Groundwater Flow direction, due to measurement and the influence of geological environment, will be gone out
The existing a plurality of long axis not being overlapped, choose long axis intensively locate or the long axis in middle position as water-bearing layer groundwater flow most
Flow direction eventually；The precision that direction of groundwater flow measures can be improved in selection in this way, ignores subtle brought by measurement and geological environment
Error.
As shown in figure 4, Fig. 4 is the schematic illustration that normal equipotential line and abnormal equipotential line determine flow direction；It is theoretical normal etc.
Bit line 2 is circle, by the equal sites measurement of two batches, obtains two abnormal equipotential lines, the respectively first exception 3 He of equipotential line
Second abnormal equipotential line 5 respectively obtains first by the first abnormal equipotential line 3 and the second abnormal equipotential line 5 and flows to 4 and second flow direction
6, first flow to 4 and second flow to 6 middle position determination eventually flow to 7.
Step S210, the sites such as carry out to the electrode in multiple drillings in the same direction to monitor, and respectively record monitoring when
Between.
Step S211, according to the position and monitoring time for the sites such as measuring, water-bearing layer flow rate of water flow is calculated；It chooses closest
Drilling on one ray of direction of groundwater flow carries out equal sites measurement, and record measures the time for waiting sites respectively, by measuring
Time and equipotential displacement can calculate flowing velocity of the underground water on the ray, finally according to the directions of rays and underground
The angle between flow direction between water, in conjunction with trigonometric function, calculate water-bearing layer underground water final flow rate.
In the present embodiment, after groundwater salinization, the drilling for a direction carries out isopotential point observation three times, can obtain
It drills the distance away from centre-drilling hole, and the time of measurement isopotential point three times to isopotential point is measured three times, utilizes following public affairs
Formula carries out groundwater velocity calculating:
Wherein, t1, t2, t3For the time for measuring isopotential point three times；S1, S2, S3To measure isopotential point three times away from center
The displacement of point.
The direction and the angle between eventually flowing to are denoted as θ, according to trigonometric function speed method for splitting, final flow rate V=
v/cosθ。
In conclusion calculating to obtain target area water-bearing layer direction of groundwater flow and flow velocity.
As shown in figure 3, embodiment according to the present utility model, provides another specific water-bearing layer water flow streams that drill more
Flow speed and direction measuring method, comprising the following steps:
Step S301, multiple drillings are arranged in target area M shape；The multiple drillings of engineering site construction, drilling are in rice word
Shape distribution, at M shape center centered on drill, the East, West, South, North direction of centre-drilling hole is denoted as E, W, S, N, therefore rice respectively
The boring direction of font distribution is denoted as N, NE, E, SE, S, SW, W, NW respectively, distinguishes the multiple brills of spaced set along 8 directions
Hole.
Step S302, each drilling is measured and recorded at a distance from centre-drilling hole；To the direction N, NE, E, SE, S, SW, W, NW
Drilling be numbered, measure and record it is each drilling at a distance from centre-drilling hole.
Step S303, electrode is set in multiple drillings；Current electrode is set in centre-drilling hole, is set in remaining drilling
Measuring electrode is set, current electrode is placed in the target water-bearing layer center in centre-drilling hole, using infinite point as zero-potential point, is supplied
After electrode power supply, water-bearing layer electrode is gradually decreased from centre-drilling hole to infinite point, and infinite electrode is away from about aqueous layer depth
10 times of degree；Measuring electrode is placed in the target water-bearing layer center in remaining drilling.
Step S304, it powers to the electrode in centre-drilling hole；Current electrode is powered by DC power supply, centre drill
The electrode and electrode in hole nearby obtain high current potential.
Step S305, remaining drilling electrode current potential is measured, normal equipotential line is drawn；Using infinite point as zero-potential point,
Isopotential point is measured and found in the borehole for the current potential of a certain predetermined value, drilling and electrode for M shape distribution,
8 isopotential points will be obtained, by the bore position of 8 isopotential points, centered on centre-drilling hole, draw the electricity of the predetermined value
The equipotential line of position, as normal equipotential line, theoretic normal equipotential line is circle.
Step S306, salt is put into centre-drilling hole, and records the release time；Salt is preferable as a kind of conductivity
Centre-drilling hole electrode may be implemented in electrolyte
Step S307, it launches salt after a certain period of time, measures electrode potential in remaining drilling, obtain abnormal equipotential line；It will
Infinite point measures in the borehole and finds isopotential point as zero-potential point, for the current potential of the predetermined value, for rice word
The drilling of shape distribution and electrode, will obtain 8 isopotential points, by the bore position of 8 isopotential points, with centre-drilling hole be
The heart draws the equipotential line of the current potential of the predetermined value, as abnormal equipotential line, as shown in figure 4, theoretic exception equipotential line is
Ellipse, elliptical long axis direction are maximum displacement direction of the abnormal equipotential line relative to normal equipotential line, with being considered as water-bearing layer
It is lauched flow direction.
Step S308, electrode potential in remaining drilling of duplicate measurements, obtains a plurality of abnormal equipotential line；Separated in time
Afterwards, find the distributing position of the current potential of the predetermined value in remaining drilling, with the flowing of water-bearing layer underground water salt solution with
Diffusion, it will obtain another different abnormal equipotential line；At interval of the regular hour, the equal electricity of the predetermined value are found in repetition
Site obtains a plurality of different abnormal equipotential lines.
Step S309, abnormal equipotential line is compared with normal equipotential line, obtains the flow direction of water-bearing layer water flow；It is multiple different
Normal equipotential line is ellipse, due to measurement and the influence of geological environment, a plurality of long axis not being overlapped will occurs, chooses long axis
The long axis in intensive place or middle position is eventually flowed to as water-bearing layer groundwater flow；Underground can be improved in selection in this way
Water flow ignores fine error brought by measurement and geological environment to the precision of measurement.
As shown in figure 4, Fig. 4 is the schematic illustration that normal equipotential line and abnormal equipotential line determine flow direction；It is theoretical normal etc.
Bit line 2 is circle, and normal equipotential line 2 is the circle with centre-drilling hole 1 for the center of circle, by the equal sites measurement of two batches, is obtained
Two abnormal equipotential lines, the respectively first abnormal equipotential line 3 and the second abnormal equipotential line 5, by the first abnormal equipotential line 3 and second
Abnormal equipotential line 5, which respectively obtains first and flows to 4 and second, flows to 6, flows to 4 and second first and flows to 6 middle position and determine
Eventually flow to 7.
In the other embodiments of the utility model, the sites such as more multiple batches of measurement wait until more abnormal equipotential lines,
So that more accurately determination eventually flows to.
Step S310, the sites such as carry out to the electrode in multiple drillings in the same direction to monitor, and respectively record monitoring when
Between；This 8 directions are considered as 8 rays by the available 8 distribution of boreholes directions of drilling of M shape distribution, and selection most connects
The ray closely eventually flowed to carries out the direction of equal sites monitoring the most.
Step S311, according to the position and monitoring time for the sites such as measuring, water-bearing layer flow rate of water flow is calculated；M shape distribution
Drilling present 8 rays, drilling and electrode be then distributed on this 8 rays, common origin is centre-drilling hole, by being surveyed
The direction of groundwater flow obtained may not be overlapped with 8 rays, therefore be chosen closest to the brill on a ray of direction of groundwater flow
Hole carries out equal sites measurement, and record measures the time for waiting sites respectively, can be calculated by measuring time and equipotential displacement
Flowing velocity of the underground water on the ray, finally according to the angle between the flow direction between the directions of rays and underground water, knot
Close trigonometric function, calculate water-bearing layer underground water final flow rate.
In the present embodiment, after groundwater salinization, the drilling for a certain directions of rays carries out isopotential point observation three times,
Distance of the isopotential point drilling away from centre-drilling hole can be measured three times, and measures the time of isopotential point three times, using such as
Lower formula carries out groundwater velocity calculating:
Wherein, t1, t2, t3For the time for measuring isopotential point three times；S1, S2, S3To measure isopotential point three times away from center
The displacement of point.
The ray and the angle between eventually flowing to are denoted as θ, according to trigonometric function speed method for splitting, final flow rate V=
v/cosθ。
In conclusion calculating to obtain target area water-bearing layer direction of groundwater flow and flow velocity.
In other specific embodiments of the utility model, drilling can use cross arrangement mode.
In in more drilling water-bearing layer water flow flow rate and direction measuring methods specific implementation of the utility model, all parts can
According to following selection:
1, electrode selects:
The current electrode of the utility model can use iron or aluminum alloy anode, measuring electrode should use red copper electrode bar,
Stainless steel electrode stick etc..
2, instrument and equipment:
The potential test device that this method uses does not require specifically, and the electricity of blanket measurement potential difference can be used
Method instrument, such as DWD-2A microcomputer electrical measuring instrument, high-density electric instrument, parallel electrical prospecting apparatus etc..
3, arrangement of measuring-line (survey line, that is, distribution of boreholes direction ray):
For carrying out the measurement of groundwater velocity and direction using multiple drillings, here with more drilling pit shaft slip castings of certain construction
It is illustrated for drilling.Multiple drillings of its pit shaft injected hole are radially distributed, centered on the drilling of wellbore centre position
Survey line is arranged according to certain azimuthal spacings in hole, and the direction of survey line uses plane coordinates orientation, is divided into N (north), E (east), S
(direction NE, SE, SW, NW or N, NE, E, SE, S, SW, W, the side NW can be used depending on scene drilling construction situation in (south), W (west) direction
To arrangement survey line).The measuring point of every survey line selects the drilling of the position as measuring point hole.
Live arrangement of measuring-line specifically depending on engineering site construction drill situation, drills centered on a selected drilling, selectes
Measuring point hole need to be evenly distributed on centre bore surrounding, and every survey line measuring electrode is impartial consistent away from (measuring point away from).
More drilling water-bearing layer water flow flow rate and direction measuring methods of the utility model are based on more borehole conditions, utilize charging
Method arranges test macro in multiple drillings, and electrolyte is launched as indicator in the target water-bearing layer position studied in hole, because
Drilling discloses water-bearing layer, is put into electrolyte in the borehole, and electrolyte will constantly be dissolved by underground water and be brought into water-bearing layer,
And the electrolyte low-resistance belt extended along water (flow) direction can be formed in the water-bearing layer around drilling, this low-resistance belt is in the electric field
In an equipotential body.By the displacement to the equipotential line that electrolyte low-resistance belt generates in the electric field in water-bearing layer at any time, survey
Determine direction of groundwater flow and groundwater velocity, the hydrogeological parameters such as this method achievable mine deep hole water-bearing layer flow rate and direction are surveyed
It is fixed.
As shown in figure 5, embodiment according to the present utility model, additionally provides one kind mostly drilling water-bearing layer water flow flow rate and direction
Measurement system, comprising: drilling, the drilling have multiple, and setting is on target area ground, and drilling depth is not less than target area
Soil water-containing layer depth.Electrode, the electrode have multiple, are separately positioned on bore inner, electrode tip connects with water-bearing layer water flow
Touching, for conduction.Power supply unit, the power supply unit are connect with one of electrode, for passing through electrode to water-bearing layer Nei Shui
Stream power supply.Measuring device, the measuring device are connect with remaining electrode, for passing through electrode measurement electrode end water-bearing layer 11
Current potential.Further include: time set, the time set carry out the operating time to electrode or drilling for recording.Time set is used
The time of electrolyte and the time of each measurement current potential are launched to drilling in record.Drilling is arranged in cross.
In the present embodiment, drilling includes centre-drilling hole 1 and measurement drilling 8, and centre-drilling hole 1 is to carry out to its internal electrode
The drilling of power supply, remaining drilling are then measurement drilling 8.Multiple drillings are distributed in cross-like radiation shape, are with center drilling
Centre-drilling hole arranges survey line according to certain azimuthal spacings, and the direction of survey line uses plane coordinates orientation, is divided into N (north), E
(east), S (south), W (west) direction (depending on scene drilling construction situation can be used the direction NE, SE, SW, NW or N, NE, E, SE, S, SW,
W, survey line is arranged in the direction NW).The measuring point of every survey line selects the drilling of the position to drill as measurement.The second can be selected in time set
Table, or solidify timing small routine on the computer connecting with test equipment.
Electrode includes current electrode 12 and measuring electrode 16, and current electrode 12 is arranged in the drilling of cruciform central position
Portion, measuring electrode 16 are separately positioned on inside measurement drilling 8；Current electrode 12 is connect with power supply unit, the measuring electrode 16
It is connect with measuring device；Current electrode 12 and 16 end of measuring electrode are in the same depth in water-bearing layer 11.
In the present embodiment, current electrode 12 can use iron or aluminum alloy anode, and measuring electrode 16 should use red copper electricity
Pole stick, stainless steel electrode stick etc..
In the other embodiments of the utility model, preferably, multiple drillings are distributed in M shape or X font,
No matter drill and how to be distributed, do not influence the utility model calculate target area water-bearing layer direction of groundwater flow and the step of flow velocity and
Principle.
It, preferably, can be in 8 difference of centre-drilling hole 1 and measurement drilling in the other embodiments of the utility model
Quick conductivity test control head is added, carries out the test of water-bearing layer conductivity, collects data and carries out comprehensive descision.
As shown in fig. 6, Fig. 6 is more drilling water-bearing layer water flow flow rate and direction measurement systems provided by the utility model embodiment
The measuring device structural schematic diagram of system；Measuring device includes that test equipment 14, measurement cable 15 and pulley 10, test equipment 14 are set
It sets on the external ground that drills, pulley 10 is fixed above 8 apertures of measurement drilling, measures 15 one end connecting test instrument of cable
14, the other end protrudes into measurement drilling 8 after bypassing pulley vertically and connects the measuring electrode 16 inside measurement drilling 8.
In the present embodiment, the electrical prospecting apparatus of blanket measurement potential difference can be used in test equipment, for example DWD-2A is micro-
Machine electrical measuring instrument, high-density electric instrument, parallel electrical prospecting apparatus etc..
As shown in fig. 7, Fig. 7 is more drilling water-bearing layer water flow flow rate and direction measurement systems provided by the utility model embodiment
The power supply unit structural schematic diagram of system；The power supply unit includes power supply 13, service cable 9 and pulley 10, and the power supply 13 is set
It sets on the external ground that drills, the pulley 10 is fixed above 1 aperture of centre-drilling hole, 9 one end of service cable connection
Power supply 13, the other end protrude into centre-drilling hole 1 after bypassing pulley 10 vertically and connect the current electrode 12 inside centre-drilling hole 1.
In the present embodiment, power supply 13 uses DC power supply.
In another specific embodiment of the utility model, preferably, there are two current electrodes 12, power supply electricity
Pole A is connected to 13 anode of power supply, current electrode B ground connection or connection 13 cathode of power supply, and electrodes of A is placed in centre-drilling hole 1
In 11 center of target water-bearing layer, current electrode B is placed in infinite point, infinite electrode away from about aqueous layer depth 10
Times.
In another specific embodiment of the utility model, preferably, each group of measuring electrode 16 includes
Two electrodes, measuring electrode M are placed in 1 aperture of centre-drilling hole, and electrode embedded depth is greater than 20cm, guarantee to connect with the close of soil layer
Touching, measuring electrode N are placed in 11 center of target water-bearing layer in measurement drilling 8, and measuring electrode N is for measuring target water-bearing layer 11
Current potential.
More drilling water-bearing layer water flow flow rate and directions measurement system of the utility model is based on more borehole conditions, is using this
System implements mise-a-la-masse method, arranges test macro in multiple drillings, and the target water-bearing layer position studied in hole is launched electrolyte and made
It is put into electrolyte in the borehole because drilling discloses water-bearing layer for indicator, electrolyte will constantly be dissolved and band by underground water
Enter in water-bearing layer, and the electrolyte low-resistance belt extended along water (flow) direction can be formed in the water-bearing layer around drilling, this is low
Stopband is in an equipotential body in the electric field.By to the equipotential line that electrolyte low-resistance belt generates in the electric field in water-bearing layer at any time
Between displacement, measure direction of groundwater flow and groundwater velocity, the hydrology such as this method achievable mine deep hole water-bearing layer flow rate and direction
Geologic parameter measurement.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of more drilling water-bearing layer water flow flow rate and directions measure system characterized by comprising
Drilling, the drilling have multiple, and on target area ground, drilling depth is not less than the soil aquifer of target area for setting
Depth；
Electrode, the electrode have multiple, are separately positioned on bore inner, and electrode tip is contacted with water-bearing layer water flow, for conduction；
Power supply unit, the power supply unit are connect with one of electrode, for by electrode, into water-bearing layer, water flow to be powered；
Measuring device, the measuring device are connect with remaining electrode, for passing through the current potential in electrode measurement electrode end water-bearing layer.
2. more drilling water-bearing layer water flow flow rate and directions as described in claim 1 measure system, which is characterized in that further include:
Time set, the time set carry out the operating time to electrode or drilling for recording.
3. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 2 measure system, which is characterized in that the timing dress
It sets for recording the time from electrolyte to drilling and the time of each measurement current potential of launching.
4. more drilling water-bearing layer water flow flow rate and directions as described in claim 1 measure system, which is characterized in that the drilling is pressed
Certain rule distribution.
5. drilling water-bearing layer water flow flow rate and directions much more as claimed in claim 4 measure systems, which is characterized in that the drilling is in
M shape or cross arrangement.
6. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 5 measure system, which is characterized in that electrode includes supplying
Electrode and measuring electrode, the bore inner of cross or M shape center is arranged in the current electrode, multiple described
Measuring electrode is separately positioned on remaining bore inner.
7. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 6 measure system, which is characterized in that the power supply electricity
Pole is connect with power supply unit, and the measuring electrode is connect with measuring device.
8. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 6 measure system, which is characterized in that the power supply electricity
Pole and measuring electrode end are in the same depth in water-bearing layer.
9. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 6 measure system, which is characterized in that the measurement dress
It sets including test equipment, measurement cable and pulley, the test equipment setting is in the external ground that drills, the pulley fixed setting
Above drilling orifice, described measurement cable one end connecting test instrument, the other end protrudes into drilling and company after bypassing pulley vertically
Connect the measuring electrode of bore inner.
10. more drilling water-bearing layer water flow flow rate and directions as claimed in claim 6 measure system, which is characterized in that the power supply
Device includes power supply, service cable and pulley, and on the external ground that drills, the pulley is fixed at drilling for the power supply setting
Above aperture, service cable one end connecting test instrument, the other end protrudes into drilling after bypassing pulley vertically and connects drilling
Internal current electrode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031769.XU CN208568822U (en) | 2018-06-28 | 2018-06-28 | More drilling water-bearing layer water flow flow rate and directions measure system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821031769.XU CN208568822U (en) | 2018-06-28 | 2018-06-28 | More drilling water-bearing layer water flow flow rate and directions measure system |
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| CN208568822U true CN208568822U (en) | 2019-03-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802417A (en) * | 2018-06-28 | 2018-11-13 | 安徽理工大学 | More drilling water-bearing layer flow flow rate and direction assay methods and system |
| CN111141928A (en) * | 2020-01-21 | 2020-05-12 | 中国矿业大学 | Tracer agent feeding device and using method thereof |
| CN114859074A (en) * | 2022-04-25 | 2022-08-05 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
-
2018
- 2018-06-28 CN CN201821031769.XU patent/CN208568822U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802417A (en) * | 2018-06-28 | 2018-11-13 | 安徽理工大学 | More drilling water-bearing layer flow flow rate and direction assay methods and system |
| CN108802417B (en) * | 2018-06-28 | 2024-03-29 | 安徽理工大学 | Method and system for measuring flow speed and flow direction of water flow in multi-borehole aquifer |
| CN111141928A (en) * | 2020-01-21 | 2020-05-12 | 中国矿业大学 | Tracer agent feeding device and using method thereof |
| CN111141928B (en) * | 2020-01-21 | 2021-09-21 | 中国矿业大学 | Tracer agent feeding device and using method thereof |
| CN114859074A (en) * | 2022-04-25 | 2022-08-05 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
| CN114859074B (en) * | 2022-04-25 | 2024-04-16 | 无锡水文工程地质勘察院有限责任公司 | Underground water flow direction measuring method |
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