CN105003255B - Bottom plate Mining failure band multistage blocks synchronous leak detection method - Google Patents
Bottom plate Mining failure band multistage blocks synchronous leak detection method Download PDFInfo
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- CN105003255B CN105003255B CN201510354666.1A CN201510354666A CN105003255B CN 105003255 B CN105003255 B CN 105003255B CN 201510354666 A CN201510354666 A CN 201510354666A CN 105003255 B CN105003255 B CN 105003255B
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Abstract
The step of synchronous leak detection method being blocked the invention discloses a kind of bottom plate Mining failure band multistage, the leak detection method includes, lays capable drilling into roof strata in coal petrography tunnel, and clear up the drilling；The step of installing detection system, the test probe of the detection system is connected in turn by several probe units to be formed, and is detachably connected between adjacent probe unit by the formation of neck joint；The step of above-mentioned detection system is delivered into the initial position of drilling using the rig and drilling rod that supply in measurement system；The step of drilling is closed with plugging system；The step of water inlet pipe is delivered at the water source of specified pressure using water flood operations platform；The step of data being collected into are carried out forming the corresponding flowing water polar plot of survey section after Treatment Analysis etc..The inventive method can realize the multistage and synchro measure of bottom plate Mining failure band, and can according to the survey hop count mesh of the increase one-shot measurement of drillable length suitably, at double reduce workload, improve measurement accuracy.
Description
Technical field
The invention belongs to mine Mining failure band depth determination techniques field, and in particular to a kind of bottom plate Mining failure band is more
The synchronous leak detection method of section closure.
Background technology
Mine measurement of the bottom plate mining induced fissure with depth is the important parameter for indicating coal petrography occurrence status.Prevent in research mine
When harnessing the river, it is a critical underlying parameter, therefore to study the formation for the conduit pipe adopted in country rock, it is therefore necessary to
Grasp strata movement rule and the elevation measurement for determining Mining failure band, it is generally estimated, live using numerical simulation, empirical equation
The means such as actual measurement.
However, because field condition is complicated, to a certain extent, numerical simulation can not reflect field condition well, warp
Test that the estimated blindness of formula is larger, with deep increasing is adopted, empirical equation applicability is worse and worse.Measured in field measurement
When, the measurement length that one section, every section can only be measured every time is about 1.5m, and drillable length is about 30-50m, causes measuring apparatus
Number of times is moved in the borehole excessive, the head pressure error and equipment self-defect caused due to dip angle of hole causes original survey
The survey section of amount method every time can not be oversize, there is that survey hop count few (be usually 1 survey hop count), workload be big, measuring apparatus movement
Often, the problems such as measuring inaccurate.
The content of the invention
Synchronous leak detection method is blocked it is an object of the invention to provide a kind of bottom plate Mining failure band multistage, this method can be real
The multistage and synchro measure of existing bottom plate Mining failure band, and can be according to the survey hop count of the increase one-shot measurement of drillable length suitably
Mesh, at double reduce workload, improve measurement accuracy.
Its technical solution includes：
A kind of bottom plate Mining failure band multistage blocks synchronous leak detection method, and its leak detection system used includes detection and is
System, plugging system and supply measurement system, the detection system are arranged in the drilling for adopting band, and the plugging system is used to seal
The drilling is closed, the supply measurement system includes water flood operations platform and electronic logger, comprised the following steps：
Step a, drilling are simultaneously cleared up, and lay capable drilling into roof strata in coal petrography tunnel, and hole depth is 30-50m, and
Clear up the drilling；
Step b, installation detection system, the detection system include test probe, and the test probe is by several spies
Survey unit and be connected in turn what is formed, be detachably connected between adjacent probe unit by the formation of neck joint, each
Probe unit includes water inlet pipe, fixed pressure-regulating valve, detachable pressure-regulating valve and electronic flowmeter, and each detection is single
The two ends of the water inlet pipe of member are fastened on the neck joint respectively, in the neck joint of the probe unit at anterior and middle part
The fixed pressure-regulating valve is set, sets the detachable pressure to adjust in the neck joint of the probe unit of afterbody
Save and be provided with delivery port on valve, the water inlet pipe, the electronic flowmeter is installed in the water outlet, for recording the detection
The streamflow of unit；
Step c, the initial position that above-mentioned detection system is delivered to using the rig and drilling rod that supply in measurement system drilling；
Step d, with plugging system close drill, the plugging system include capsule connecting tube, fastening bung flange, closure capsule
Operating desk and several closure capsules, each closure capsule surrounds the outside of the neck joint, by described fastening spiral shell
Closure capsule is fastened on the neck joint by circle, and the capsule connecting tube is fastened on the neck joint, for by phase
Adjacent closure capsule connection, closure operating capsule platform conveying high-pressure into each closure capsule by the capsule connecting tube
Source of the gas, up to certain pressure is caused, forms closure room；
Step e, the gas pressure for being delivered at the water source of specified pressure in water inlet pipe, control closure capsule using water flood operations platform
The pressure of the water of return pipe in a little higher than methane gas pressure of power and closure room；
After step f, water pressure to be achieved, flowing water vector parameters measure is carried out, that is, opens electronic logger, and provide corresponding
Source pressure, after stable, the water flow data and other related datas of electronic flowmeter, electronics are received by electronic logger
The data being collected into formed the corresponding flowing water polar plot of survey section after Treatment Analysis by logger；
Step g, mobile test probe and repeat step b to step f, are measured to drilling successively.
The direct advantageous effects that above-mentioned technical proposal is brought：
Test probe is set to some sections i.e. several units, and passes through fixed pressure-regulating valve and detachable
Pressure-regulating valve adjusts pressure value, it is ensured that the pressure value of each probe unit keeps equal, due to there are several probe units,
The synchro measure to drilling can be realized again.
Each probe unit in test probe is engaged with blocking capsule in plugging system, can form several relatively independent
Probe unit, carry out multiple-unit synchro measure, the total length measured every time can be increased；And existing detection device, only one
Individual probe unit, and element length is shorter, causes that mobile, pendulous frequency is more, workload is big, poor accuracy.
Leak detection system of the present invention can make to measure that total length length, test probe movement number of times be few, workload is reduced at double every time,
When probe unit is measured, fixed pressure-regulating valve closure can make each probe unit relatively independent to each other, can reduce water
The error that head pressure is caused, realizes multistage synchro measure；When probe unit water shortage, fixed pressure-regulating valve and detachable
Pressure-regulating valve is opened, and each probe unit can be made to supplement pressure water source (first since positioned at anterior probe unit) successively,
Further, since fixed pressure-regulating valve Opening pressure is definite value in the system, its value is according to specific dip angle of hole and each
Individual probe unit surveys length to set, therefore the brill of the special angle of bottom plate Mining failure band only can be achieved using the system
Hole measurement.
As the preferred scheme of the present invention, the neck joint includes cylindrical chamber, water inlet pipe neck joint and envelope
Stifled capsule joint, the closure capsule joint is located at the top of the water inlet pipe neck joint, the top of the cylindrical chamber and
The flange extended laterally is arranged at bottom, and the closure capsule surrounds on the flange.
The direct advantageous effects that above-mentioned technical proposal is brought are：Flange fasten bung flange fix closure capsule when,
Play a supporting role, by fastening bung flange, closure capsule can be fixed on flange, closure capsule is formed with neck joint
Sealing space needed for swollen closure capsule.
As another preferred scheme of the present invention, the capsule connecting tube is divided into independent some sections, close to every section
The screw that is locked is provided with the front portion of capsule connecting tube and afterbody, positioned at the rounded baffle plate of capsule connecting tube of anterior and afterbody
Shape, to block the screw that is locked.
It is preferred that, it is in circular hole in the middle of the screw that is locked, is connected through a screw thread and capsule connecting tube is fastened on closure glue
On capsule joint.
The direct advantageous effects that above-mentioned technical proposal is brought are：
Due to also rounded baffle-like, therefore screw and the closure capsule joint of being locked can be passed through inside closure capsule joint
Coordinate, capsule connecting tube is embedded in closure capsule joint, and is pressed and sealed to each other.
It is preferred that, the detachable pressure-regulating valve include spring, set screw, sealing clamp, piston group, Kong Yi,
Hole two and limbers, the set screw are located at the top of the sealing clamp, and the spring is located at the bottom of sealing clamp, institute
Piston group is stated below the spring, the set screw changed by adjusting the position of sealing clamp initial tension of spring with
Corresponding Opening pressure is reached, current are controlled by the movement of the piston group.
It is preferred that, in the detachable pressure-regulating valve, if the pressure in hole one is more than the pressure in hole two, and reach described
During the Opening pressure value of set screw setting, piston group is moved up, and now piston group connects the limbers, the water of hole side just
By the side of limbers access aperture two, the purpose of supplement water is reached；If the pressure of the water of hole side is less than the pressure of the water of the side of hole two,
Under the action of the spring, piston group is in downside, and now, piston group seals the limbers just.
It is preferred that, the Opening pressure that the set screw in the detachable pressure-regulating valve is adjusted is set by testing
Water injection pressure determine.
The direct advantageous effects that above-mentioned technical proposal is brought：Detachable pressure-regulating valve can be according to different notes
The demand of water pressure and corresponding Opening pressure value is set by set screw in advance, then measurement is installed, and then is realized external
During pressure water source water filling, the Opening pressure value of setting must be reached, can just enter water inlet pipe, filtering is played, adjusts source pressure
Effect.
It is preferred that, the fixed pressure-regulating valve includes spring, piston group, Kong Yi, hole two and limbers, the piston
Group is located at below spring, and the pressure that the fixed pressure-regulating valve is opened is particular value.
The direct advantageous effects that above-mentioned technical proposal is brought：
The effect of fixed pressure-regulating valve is, one is obstructing, sealing adjacent probe unit, offsets last detection
Influence of the head pressure of unit to next probe unit, the second is when some probe unit water shortage, due to pressure differential, making solid
Fixed pattern pressure-regulating valve is opened, by last probe unit order supplement pressure water source, until reducing the fixed pressure of pressure official post
Regulating valve is closed；In addition, fixed pressure-regulating valve Opening pressure is definite value, therefore the system is only applicable to bottom plate water producing fractures
The borehole survey of the special angle of band.Fixed pressure-regulating valve and detachable pressure-regulating valve cooperate, and can both protect
The probe unit for demonstrate,proving water source order into the water shortage of specified pressure reaches the effect of moisturizing, can mutually obstruct to form relatively only again
Vertical probe unit.
It is preferred that, the supply measurement system includes water flood operations platform, electronic logger, rig and drilling rod, the water filling
Operating desk provides high-pressure water to the water inlet pipe, and the electronic logger is installed on water flood operations platform, for recording the electricity
The streamflow parameter of subflow gauge, the rig, drilling rod are used to move the detection system, and the water flood operations platform includes flow
Table, pressure gauge, are respectively used to observation injection flow and water injection pressure.
It is preferred that, probe unit includes 3-6, and each probe unit surveys drillable length for 2m.
The advantageous effects that the present invention is brought：
Bottom plate Mining failure band multistage of the present invention blocks synchronous leak detection method, and its leak detection system used mainly includes visiting
Examining system, plugging system and supply measurement system, compared with prior art, detection system of the present invention is adjusted by fixed pressure
Valve, realizes and is opened under fixation pressure, water source is automatically replenished, and while ensure that each survey section pressure is equal, can be divided into multiple
Section is surveyed, the error that head pressure is caused both had been reduced, the synchro measure of each survey section is realized again, intersegmental water source automatic sequence is surveyed and mends
Fill, at double reduce mobile number of times and workload, measurement accuracy is improved as far as possible., can be according to brill in surveying at the scene
The length in hole, appropriate increases the survey hop count mesh of one-shot measurement.As a result of electronic logger, the present invention can automatic phasing pass
Data periodically record, store and transmit, and reduce the number of times of artificial data record.
Because fixed pressure-regulating valve Opening pressure is definite value in the system, its value be according to specific dip angle of hole and
Each probe unit surveys length to set, therefore the drilling of the special angle of bottom plate Mining failure band only can be achieved in the system
Measurement
Brief description of the drawings
Further clear, complete explanation is done to the present invention below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of bottom plate Mining failure scope sectionalization test system of the present invention；
Fig. 2 is leak detection system working state schematic representation；
Fig. 3 is test probe structural representation；
Fig. 4 is middle part probe unit structure decomposition figure；
Fig. 5 is capsule connecting pipe structure schematic diagram；
Fig. 6 is anterior probe unit exploded view；
Fig. 7 is afterbody probe unit neck junction portion structural representation；
Fig. 8 is fixed pressure-regulating valve structural representation；
Fig. 9 is detachable pressure-regulating valve structural representation；
Figure 10 is detachable pressure-regulating valve top view；
In figure, 1, rock mass, 2, drilling, 3, test probe, 301, anterior probe unit, 302, middle part probe unit, 303,
Afterbody probe unit, 4, closure capsule, 5, fastening bung flange, 6, seal washer, 7, flange, 8, admitting pipe joint, 9, water inlet pipe,
10th, spring, 11, delivery port, 12, set screw, 13, sealing clamp, 14, piston group, 15, Kong Yi, 16, hole two, 17, water flowing
Hole, 18, capsule connecting tube, 19, be locked screw, 20, electronic flowmeter, 21, closure capsule joint, 22, end cap, 23, drilling rod,
24th, rig, 25, pressure hose, 26, high-pressure hose, 27, closure room, 28, closure operating capsule platform, 29, water flood operations platform, 30,
Electronic logger, 31, fixed pressure-regulating valve, 32, the front end of anterior probe unit, 33, neck joint, 34, pressure gauge,
35th, flowmeter, 36, detachable pressure-regulating valve.
Embodiment
The present invention is elaborated with reference to specific embodiment.
Bottom plate Mining failure band multistage of the present invention blocks synchronous leak detection method, and the leak detection system that it is used is as shown in Figure 1, Figure 2
Shown, mainly including detection system, plugging system and supply measurement system, detection system is arranged in the drilling of fissure zone, envelope
Stifled system is used to close the drilling, and supply measurement system is used to provide water source and source of the gas.
Detection system includes test probe, as shown in figure 3, test probe is unlike the prior art, it is not an entirety,
But be in turn connected to form by several probe units, the present embodiment illustrates by taking three probe units as an example, will stretch into bottom
The afterbody for middle part probe unit 302 and close to outside for anterior probe unit 301, middle part of plate rockhole most inner side is visited
Unit 303 is surveyed, with reference to shown in Fig. 4 and Fig. 6, each probe unit includes water inlet pipe 9, fixed pressure-regulating valve 31, removable
Formula pressure-regulating valve 36 and electronic flowmeter 20 are unloaded, the two ends of the water inlet pipe of each probe unit are fastened on neck joint respectively
On, it is detachably connected by the formation of neck joint, the structure of trailer card trough connection is as shown in fig. 7, the profile of neck joint is post
There is a flange 7 shape, its top and bottom laterally, and center section is cylindrical chamber, and the effect of flange is so as to block capsule 4 more preferable
It is wound on flange neck joint, admitting pipe joint 8 and closure capsule joint 21, admitting pipe joint 8 is provided with neck joint 33
It is connected with water inlet pipe 9, water inlet pipe 9 is connected with water supply installation in supply measurement system, positioned at the anterior probe unit with middle part
Fixed pressure-regulating valve is set in neck joint, detachable pressure is set in the neck joint of the probe unit of afterbody
Delivery port 11 is provided with regulating valve, water inlet pipe 9, the end of delivery port 11 is provided with an electronic flowmeter 20, and delivery port 11 is negative
Duty makes the water side in water inlet pipe 9 flow into drill hole inner wall, and the meter of electronic flow 20 is responsible for recording and transmitting the water-carrying capacity of the delivery port 11.
Electronic flowmeter is installed in the water outlet, the streamflow for recording the probe unit.
Water inlet pipe in above-mentioned each probe unit is detachable, and it is by the water inlet pipe one that is detachably connected and entered
Water pipe two is constituted, and is such as connected by buckle and neck, seal washer 6 is set in junction to be fully sealed, and water inlet pipe is with entering
Water pipe neck joint connect, the water inlet pipe of each probe unit is set to it is detachable, can be according to probe unit number, spreading
Probe unit；Meanwhile, also allow for installation, maintenance and change convenient.
Plugging system includes capsule connecting tube 18, fastening bung flange 5, closure operating capsule platform 28 and several closure capsules 4,
Each closure capsule surrounds the outside of above-mentioned neck joint, then by capsule 4 is blocked is fastened on neck joint by fastening bung flange 5
On, capsule connecting tube 18 is fastened on neck joint, can be connected adjacent closure capsule, and closure operating capsule platform 28 passes through glue
Capsule connecting tube conveying high-pressure source of the gas into each closure capsule.
Above-mentioned closure capsule 4 surrounds the outside of neck joint 33, a swollen space for formed closure capsule 4, fastening
Bung flange 5 is fastened on capsule 4 is blocked on neck joint 33, and 18 points of capsule connecting tube is independent some sections, as shown in figure 5,
The screw 19 that is locked is provided with the anterior and afterbody of every section of capsule connecting tube, positioned at the capsule connecting tube of anterior and afterbody
Rounded baffle-like, to block the screw that is locked, is in circular hole in the middle of the screw 19 that is locked, can be connected through a screw thread, by capsule
Connecting tube 18 is fastened in closure capsule joint 21, and high-pressure air source can be sent to by closure operating capsule platform 28 by pressure hose 25
Neck joint 33 with closure capsule 4 formation space in, formed closure room 27, with up to play a part of it is swollen block capsule 4.
End cap 22 is located at the front end of anterior probe unit 32, and end cap 22 is with neck joint 33 into threaded connection, and water inlet pipe 9 leads to
The neck joint 33 for crossing admitting pipe joint 8 and afterbody probe unit is threaded, water inlet pipe 9 and anterior probe unit and middle part
The neck joint 33 of probe unit afterbody is in being fixedly connected, and closure capsule joint 21 has two, positioned at the outside of admitting pipe joint 8,
A seal washer 6 is provided with the circular hole baffle plate for the indent that is connected, circular baffle plate, is sealed.
As shown in Figure 9, Figure 10, detachable pressure-regulating valve 36 is by spring 10, set screw 12, sealing clamp 13, work
Plug group 14, hole 1, hole 2 16 and limbers 17 are constituted, and set screw 12 changes spring 10 by adjusting the position of pressing plate 13
Pretightning force if the pressure in the water hole 1 in water inlet pipe 9 is more than the pressure in hole 2 16, and is reached with reaching corresponding Opening pressure
During the Opening pressure value that set screw 12 is set, piston group 14 is moved up, and now piston group 14 connects limbers 17, hole 1 just
The water of side reaches the purpose of supplement water by the side of 17 access aperture of limbers 2 16；If the pressure of the water of the side of hole 1 is less than hole two
The pressure of the water of 16 sides, in the presence of spring 10, piston group 14 is in downside, and now, piston group 14 seals limbers 17 just.
Detachable pressure-regulating valve 36 be located at the afterbody of test probe 3 neck joint 33 in, its upper and lower ends into convex,
Neck joint 33 being put into along tongue 7 after the Opening pressure of setting is mixed up, then connecting water inlet pipe 9, detachable pressure is adjusted
Water injection pressure that the Opening pressure that is adjusted of set screw 12 in section valve 36 can be set based on the test is determined.
As shown in figure 8, fixed pressure-regulating valve 31 is by spring 10, piston group 14, hole 1, hole 2 16, limbers 17
Composition, the Opening pressure for the spring 10 that fixed pressure-regulating valve 31 is controlled, is definite value, can not change, and is only applicable to specific
The measurement of length for 2 inclination angles and the survey section of drilling, Opening pressure can not only separate adjacent survey section space but also can balance because surveying section
UNICOM, the head pressure error caused.
Supplying measurement system includes water flood operations platform 29, electronic logger 30, rig 24, drilling rod 23 and high-pressure hose 26,
Water flood operations platform 29 provides the water source of specified pressure by high-pressure hose 26 to water inlet pipe 9, and rig 24 and drilling rod 23 are used to move
Test probe 3, the depth to determine the Mining failure band of diverse location in drilling 2, electronic logger installs water flood operations platform
On, for the streamflow parameter of recorded electronic flowmeter, rig, drilling rod are used for mobile detection system, and water flood operations platform includes stream
Scale 35, pressure gauge 34, are respectively used to observation injection flow and water injection pressure, electronic logger 30 is to receive electronic flowmeter
The water flow data of 20 transmission, and other related datas tested, are handled accordingly, form drilling stray arrow figure.
The observation procedure of bottom plate Mining failure scope sectionalization test system is elaborated below, key step includes：
(1) drilling：The descending of special angle is played into floor strata 1 in coal petrography tunnel with conventional coal mine drilling machine 24
Drilling 2, hole depth reaches 30-50m or so；
(2) detection system is installed：Debris in cleaning drilling 2, installs test probe 3 in drilling 2, is surveyed according to drilling 2
Length is measured, suitable measured hole hop count mesh is set, anterior probe unit, middle part probe unit and afterbody detection is sequentially connected single
Member, and it is sent to 2 initial positions of drilling using rig 24 and drilling rod 23；
(3) closing drilling and water filling：Probe header 3 to be measured is reached after initial position, and associated conduit is mounted and connected, envelope is utilized
The stifled formation of capsule 4 closure room 27, envelope is delivered to first with closure operating capsule platform 28 by pressure hose 25 by high-pressure air source
Stifled capsule 4, up to certain pressure is caused, forms closure room 27；Then using water flood operations platform 29 by high-pressure hose 26 by specific pressure
Water inlet pipe 9 is delivered at power water source, wherein, the gas pressure in closure capsule 4 is wanted in a little higher than methane gas pressure and closure room 27
The pressure of water in water inlet pipe 9；
(4) flowing water vector parameters are determined：After water pressure to be achieved, flowing water vector parameters measure is carried out, switch and electricity is opened
Sub- equipment 30, and corresponding source pressure is provided, after stable, the water-carrying capacity of electronic flowmeter 20 is received by electronic logger 30
Data and other pressure and related data, electronic logger 30 carry out the data being collected into form survey section after Treatment Analysis
Corresponding flowing water polar plot, then using rig 24 and the mobile test of drilling rod 23 probe 3, repeat step (2), (3) (4), successively
Drilling 2 is measured.
Should specification, above-described embodiment be only to the present invention one explanation, and and it is non-limiting, probe unit
Number, closure capsule and each probe unit are surveyed drillable length and can changed according to on-site actual situations, also, water inlet
The parameter such as pipe and return pipe can also be adjusted according to actual conditions.
Those skilled in the art are under the enlightenment of the present invention, and other probe units of the detachable connection drawn also should be
Within protection scope of the present invention.
Claims (9)
1. a kind of bottom plate Mining failure band multistage blocks synchronous leak detection method, its leak detection system used include detection system,
Plugging system and supply measurement system, the detection system are arranged in the drilling for adopting band, and the plugging system is used to close
The drilling, the supply measurement system includes water flood operations platform and electronic logger, it is characterised in that：Comprise the following steps：
Step a, drilling are simultaneously cleared up, and lay capable drilling into floor strata in coal petrography tunnel, hole depth is 30-50m, and is cleared up
The drilling；
Step b, installation detection system, the detection system include test probe, and the test probe is single by several detections
Member is connected in turn what is formed, is detachably connected between adjacent probe unit by the formation of neck joint, each detection
Unit includes water inlet pipe, fixed pressure-regulating valve, detachable pressure-regulating valve and electronic flowmeter, each probe unit
The two ends of water inlet pipe are fastened on the neck joint respectively, are set in the neck joint of the probe unit at anterior and middle part
The fixed pressure-regulating valve, sets the detachable pressure regulation in the neck joint of the probe unit of afterbody
Delivery port is provided with valve, the water inlet pipe, the electronic flowmeter is installed in the water outlet, for recording the detection list
The streamflow of member, the detachable pressure-regulating valve includes spring, set screw, sealing clamp, piston group, Kong Yi, hole two
And limbers, the set screw is positioned at the top of the sealing clamp, and the spring is positioned at the bottom of sealing clamp, the work
Plug group is located at below the spring, and the set screw is by adjusting the position of sealing clamp to change initial tension of spring to reach
Corresponding Opening pressure, current are controlled by the movement of the piston group；
Step c, the initial position that above-mentioned detection system is delivered to using the rig and drilling rod that supply in measurement system drilling；
Step d, with plugging system close drill, the plugging system include capsule connecting tube, fastening bung flange, closure operating capsule
Platform and several closure capsules, each closure capsule surround the outside of the neck joint, will by described fastening bung flange
Closure capsule is fastened on the neck joint, and the capsule connecting tube is fastened on the neck joint, for will be adjacent
Block capsule connection, closure operating capsule platform conveying high-pressure gas into each closure capsule by the capsule connecting tube
Source, up to certain pressure is caused, forms closure room；
Step e, using water flood operations platform the water source of specified pressure delivered into water inlet pipe, the gas pressure in control closure capsule is slightly
Higher than the pressure of the water of return pipe in methane gas pressure and closure room；
After step f, water pressure to be achieved, flowing water vector parameters measure is carried out, that is, opens electronic logger, and provide corresponding water source
Pressure, after stable, the water flow data and other related datas of electronic flowmeter, electronical record are received by electronic logger
The data being collected into formed the corresponding flowing water polar plot of survey section after Treatment Analysis by device；
Step g, mobile test probe and repeat step b to step f, are measured to drilling successively.
2. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：The card
Trough connection includes cylindrical chamber, water inlet pipe neck joint and closure capsule joint, and the closure capsule joint is located at the water inlet
There are the flange extended laterally, the closure capsule wrapping at the top and bottom of the top of pipe clamp trough connection, the cylindrical chamber
On the flange.
3. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：The glue
Capsule connecting tube is divided into independent some sections, and the screw that is locked is provided with the front portion close to every section of capsule connecting tube with afterbody,
Positioned at the rounded baffle-like of capsule connecting tube of anterior and afterbody, to block the screw that is locked.
4. bottom plate Mining failure band multistage according to claim 3 blocks synchronous leak detection method, it is characterised in that：The set
It is in circular hole in the middle of tight screw, is connected through a screw thread and capsule connecting tube is fastened on closure capsule joint.
5. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：It is described can
In detachable pressure-regulating valve, if the pressure in hole one is more than the pressure in hole two, and the unlatching pressure of the set screw setting is reached
During force value, piston group is moved up, and now piston group connects the limbers just, and the water of hole side passes through limbers access aperture two
Side, reaches the purpose of supplement water；It is living if the pressure of the water of hole side is less than the pressure of the water of the side of hole two, under the action of the spring
Plug group is in downside, and now, piston group seals the limbers just.
6. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：It is described can
The Opening pressure that set screw in detachable pressure-regulating valve is adjusted is determined by testing the water injection pressure of setting.
7. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：It is described solid
Fixed pattern pressure-regulating valve includes spring, piston group, Kong Yi, hole two and limbers, and the piston group is located at below spring, described solid
The pressure that fixed pattern pressure-regulating valve is opened is particular value.
8. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：It is described to supply
Include water flood operations platform, electronic logger, rig and drilling rod to measurement system, the water flood operations platform is provided to the water inlet pipe
High-pressure water, the electronic logger is installed on water flood operations platform, the streamflow parameter for recording the electronic flowmeter, institute
Stating rig, drilling rod is used to move the detection system, and the water flood operations platform includes flowmeter, pressure gauge, is respectively used to observation
Injection flow and water injection pressure.
9. bottom plate Mining failure band multistage according to claim 1 blocks synchronous leak detection method, it is characterised in that：Detection is single
Member includes 3-6, and each probe unit surveys drillable length for 2m.
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| CN201510354666.1A CN105003255B (en) | 2015-06-25 | 2015-06-25 | Bottom plate Mining failure band multistage blocks synchronous leak detection method |
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| CN201510354666.1A CN105003255B (en) | 2015-06-25 | 2015-06-25 | Bottom plate Mining failure band multistage blocks synchronous leak detection method |
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| CN105003255B true CN105003255B (en) | 2017-09-01 |
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| CN105547721B (en) * | 2015-12-09 | 2017-09-15 | 山东科技大学 | Double-end sealing leak detection integration observation procedure |
| CN105372410B (en) * | 2015-12-09 | 2017-03-01 | 山东科技大学 | Double-end sealing leak detection combined geometry |
| CN106248911B (en) * | 2016-09-27 | 2018-05-11 | 西安科技大学 | A kind of single power source binary channels country rock mining induced fissure detection system |
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