CN105137502B - Segmental observation system for growth height of top-board water guiding fissure zone - Google Patents
Segmental observation system for growth height of top-board water guiding fissure zone Download PDFInfo
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- CN105137502B CN105137502B CN201510358029.1A CN201510358029A CN105137502B CN 105137502 B CN105137502 B CN 105137502B CN 201510358029 A CN201510358029 A CN 201510358029A CN 105137502 B CN105137502 B CN 105137502B
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Abstract
The invention discloses a segmental observation system for the growth height of a top-board water guiding fissure zone. The segmental observation system comprises a detection system, a plugging system and a supply determination system, the detection system comprises a test probe, the test probe is formed by connecting detection units successively, the adjacent detection units are detachably connected via a slot joint, each detection unit comprises a water inlet pipe, a water return pipe, a pressure regulator valve and an electronic flow meter, the two ends of the water inlet pipe and the two ends of the water return pipe of the detection unit in the middle/tail portion are clamped on the slot joints respectively, one end of the water inlet pipe and one end of the water return pipe of the detection unit in the front portion is connected to the slot joint, the other end of the water inlet pipe and the end of the water return pipe of the detection unit in the front portion is connected to a U-shaped pipeline, and the water current pressure in each detection unit is kept equivalent. The test probe is provided with multiple units, the pressure regulator value is used to regular the pressure, it is ensured that the pressure of each detection unit is kept equivalent, and bores can be measured synchronously due to existence of the detection units.
Description
Technical field
The invention belongs to mine height of water flowing fractured zone determination techniques field, and in particular to the development of top board leaking crevice belt is high
Degree segmentation observation system.
Background technology
The measurement of mine height of water flowing fractured zone is the important parameter for indicating coal petrography occurrence status.In research mine water management
When, it is a critical underlying parameter, therefore the formation of the conduit pipe in country rock is adopted for research, it is necessary to grasp rock
Layer movement law and determine the elevation measurement of water flowing fractured zone, in the prior art generally using numerical simulation, empirical equation it is estimated,
The means such as field measurement are measured.
However, because field condition is complicated, to a certain extent, numerical simulation can not well reflect field condition, warp
Test that the estimated blindness of formula is larger, with deep increasing is adopted, the applicability of empirical equation is worse and worse;And field measurement is used
Equipment can only measure one section every time, every section of measurement length is about 1.5m, and drillable length is about 30-50m, causes measurement to set
It is excessive for number of times is moved in the borehole.The head pressure error and equipment self-defect caused due to dip angle of hole, are caused existing
The survey section that equipment is each in technology can not be oversize, simultaneously as equipment self-defect occurs a series of problem, such as can not be same
When measurement it is multiple survey sections, measurement workload it is big, it is mobile often, measurement it is inaccurate etc..
The content of the invention
It is an object of the invention to provide a kind of top board leaking crevice belt development height segmentation observation system, the system can be real
Show top board water flowing fractured zone multistage and synchro measure at any angle, and can be according to the appropriate increase one-shot measurement of drillable length
Survey hop count mesh, at double reduce workload, improve certainty of measurement.
Its technical solution includes:
A kind of top board leaking crevice belt development height is segmented observation system, and it includes detection system, plugging system and supply
Measurement system, the detection system is arranged in the drilling of fissure zone, and the plugging system is used to close the drilling,
The detection system includes test probe, and the test probe is connected in turn by several probe units
Formed, formed by draw-in groove joint between adjacent probe unit and be detachably connected, each probe unit includes water inlet pipe, returns
Water pipe, pressure-regulating valve and electronic flowmeter, the water inlet pipe and return pipe are in parallel arrangement, positioned at the detection of middle part and afterbody
The two ends of its water inlet pipe of unit and return pipe are fastened on the draw-in groove joint respectively, positioned at the water inlet pipe of anterior probe unit
It is connected on the draw-in groove joint with one end of return pipe, the other end is connected with U-tube road, the water inlet of adjacent probe unit
Pipe, return pipe keep point-blank, the pressure-regulating valve being set in the inside of draw-in groove joint, are set on the return pipe
There is delivery port, the electronic flowmeter is installed in the water outlet, the streamflow for recording the probe unit, each detection
Water flow pressure in unit keeps equal;
The plugging system includes capsule connecting tube, fastening bung flange, closure operating capsule platform and several closure capsules, often
Individual closure capsule surrounds the outside of the draw-in groove joint, and the draw-in groove is fastened on by capsule is blocked by described fastening bung flange
On joint, the capsule connecting tube is fastened on the draw-in groove joint, for adjacent closure capsule to be connected, the closure glue
Capsule operating desk blocks conveying high-pressure source of the gas in capsule by the capsule connecting tube to each;
The supply measurement system connect with the water inlet pipe, for water filling in water inlet pipe, show and record each and join
Number.
The Advantageous Effects that above-mentioned technical proposal is directly brought are:Test probe is set to some sections i.e. several lists
Unit, and pressure value is adjusted by pressure-regulating valve, it is ensured that the pressure value of each probe unit keeps equal, some due to existing
Individual probe unit, can realize the synchro measure to drilling again.
Each unit in test probe is engaged with closure capsule in plugging system, can form several relatively independent spies
Unit is surveyed, multiple-unit synchro measure is carried out, the total length of each measurement can be increased;And existing detection device, only one of which spy
Unit is surveyed, and element length is shorter, cause that mobile, pendulous frequency is more, workload is big, poor accuracy.
Leak detection system of the present invention can make to measure every time that total length is long, test probe movement number of times is few, workload is reduced at double,
When probe unit is measured, pressure-regulating valve closure can make each probe unit relatively independent to each other, can reduce head pressure
The error for causing, realizes multistage synchro measure;When probe unit water shortage, pressure-regulating valve is opened, and can make each probe unit
Supplement pressure water source successively (first since positioned at anterior probe unit).Further, since pressure-regulating valve Opening pressure can root
Survey length to adjust according to the inclination angle and each probe unit of drilling, therefore top board water flowing fractured zone can be realized using the system
Borehole survey at any angle.
Used as a preferred scheme of the invention, the draw-in groove joint includes cylindrical chamber, water inlet pipe draw-in groove joint, backwater
Pipe clamp trough connection and closure capsule joint, the closure capsule joint are located at the top of the return pipe draw-in groove joint, the post
There is the flange for extending laterally at the top and bottom of shape chamber, the closure capsule is surrounded 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 draw-in groove joint
Sealing space needed for swollen closure capsule.
Used as another preferred scheme of the invention, the capsule connecting tube is divided into independent some sections, near every section
The screw that is locked is provided with the anterior and afterbody of capsule connecting tube, positioned at the rounded baffle plate of capsule connecting tube of anterior and afterbody
Shape, is used to block the screw that is locked.
Preferably, it is connected through a screw thread and capsule connecting tube is fastened on closure glue in circular hole in the middle of the screw that is locked
On capsule joint.
The direct Advantageous Effects that above-mentioned technical proposal is brought are:Due to also rounded gear inside closure capsule joint
Tabular, therefore capsule connecting tube can be embedded in closure capsule joint by screw and the cooperation of closure capsule joint of being locked,
And compacting sealing to each other.
Preferably, the water inlet pipe in each probe unit is made up of the water inlet pipe one and water inlet pipe two that are detachably connected,
The return pipe of each probe unit is made up of the return pipe one and return pipe two being detachably connected.
What above-mentioned technical proposal was brought directly has the beneficial effect that:The water inlet pipe of each probe unit be it is detachable,
Can be according to probe unit number, spreading probe unit;Meanwhile, also allow for installation, maintenance and change convenient.
Preferably, the pressure-regulating valve includes spring, set screw, sealing clamp, piston group, Kong Yi, hole two and leads to
Water hole, the set screw is located at the top of the sealing clamp, and the spring is located at the bottom of sealing clamp, the piston group
Positioned at spring lower section, it is corresponding to reach that the set screw changes initial tension of spring by adjusting the position of sealing clamp
Opening pressure, current are controlled by the movement of the piston group.
What above-mentioned technical proposal was brought directly has the beneficial effect that:The effect of pressure-regulating valve is, one is intercept, it is close
The adjacent probe unit of envelope, offsets influence of the head pressure of last probe unit to next probe unit, the second is working as certain
During probe unit water shortage, due to pressure differential, pressure-regulating valve is opened, pressure water source is supplemented by last probe unit order, directly
Closed to pressure official post pressure-regulating valve is reduced;In addition, pressure-regulating valve Opening pressure can be according to the inclination angle of drilling and each spy
Survey unit to survey length to adjust, therefore the borehole survey at any angle of top board water flowing fractured zone can be realized using the system.
Preferably, in the pressure-regulating valve, if the pressure in hole one is more than the pressure in hole two, and the set screw is reached
During the Opening pressure value of setting, moved in piston group, now piston group connects the limbers just, the water of hole side passes through water flowing
The side of hole access aperture two, reaches the purpose of supplement water;If the pressure of the water of hole side is less than the pressure of the water of the side of hole two, in spring
Under effect, in downside, now, piston group seals the limbers to piston group just.
Preferably, in the pressure-regulating valve in anterior probe unit, the Opening pressure that set screw is adjusted passes through
The water injection pressure of setting is tested to determine;In the pressure-regulating valve of middle part probe unit and afterbody probe unit, spiral shell is adjusted
The Opening pressure that silk is adjusted surveys length to determine by the inclination angle for drilling and each probe unit.
The Advantageous Effects that above-mentioned technical proposal is brought are:Install pressure-regulating valve before, according to drilling inclination angle and
Each probe unit surveys length to adjust the Opening pressure in each pressure-regulating valve;Pressure regulation in anterior probe unit
Opening pressure is the pressure-regulating valve of the numerical value for making water injection pressure reach regulation, middle part probe unit and afterbody probe unit in valve
Middle Opening pressure is, to form relatively independent probe unit, to offset the influence of head pressure error, for example each unlatching of operating method
Pressure can be adjusted to corresponding pressure scale by set screw.
Preferably, the supply measurement system includes water flood operations platform, pressure of return water table, electronic logger, rig and brill
Bar, the water flood operations platform provides high-pressure water to the water inlet pipe, and the electronic logger is installed on water flood operations platform, is used for
The streamflow parameter of the electronic flowmeter is recorded, the pressure of return water table is used to be corrected the pressure of return water in return pipe
Detection, the rig, drilling rod are used to move the detection system, and the water flood operations platform includes flowmeter, pressure gauge, uses respectively
In observation injection flow and water injection pressure.
Preferably, probe unit includes 3-6, and each probe unit surveys drillable length for 2m.
The Advantageous Effects that are brought of the present invention are:
The present invention proposes top board leaking crevice belt development height segmentation observation system, compared with prior art, the present invention
Detection system employs dual circuit (water inlet pipe and return pipe and connected mode) and realizes that water flows to return pipe from top, reduces
Head pressure error, at the same in water return pipeline be provided with pressure-regulating valve, and pressure-regulating valve can by set screw come
Regulation pressure, realizes unlatching under fixation pressure, and water source is automatically replenished, and while ensure that each survey section pressure is equal, enters one
Walking reduces the error that head pressure is caused, and realizes the synchro measure of many surveys section of the arbitrarily angled drilling of top board, at double
Mobile number of times and workload (existing system can only typically survey 1.5m or so) are reduced, certainty of measurement is improve as far as possible.
In surveying at the scene, can be installed on water flood operations platform according to the length of drilling, the appropriate survey hop count mesh for increasing one-shot measurement
Electronic logger, being capable of achieving automatic phasing pass data periodically record, store and transmit, and reduces artificial data record
Number of times.
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 that top board leaking crevice belt development height of the present invention is segmented observation system;
Fig. 2 is test probe view;
Fig. 3 is test probe overall schematic;
Fig. 4 is pressure-regulating valve structural representation;
Fig. 5 is the side view of pressure-regulating valve;
Fig. 6 is the top view of pressure-regulating valve;
Fig. 7 is capsule connecting pipe structure schematic diagram;
Fig. 8 is water inlet pipe structure schematic diagram;
Fig. 9 is backwater pipe structure schematic diagram;
Figure 10 is the structural representation (basically illustrating pressure-regulating valve part) of anterior probe unit;
Figure 11 is the front view of anterior probe unit draw-in groove joint;
Figure 12 is the structural representation of anterior probe unit draw-in groove joint;
Figure 13 is the structural representation of afterbody probe unit draw-in groove joint;
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, water inlet pipe draw-in groove joint, 9, backwater
Pipe clamp trough connection, 10, water inlet pipe, 11, return pipe, 12, set screw, 13, sealing clamp, 14, piston group, 15, Kong Yi, 16,
Hole two, 17, limbers, 18, capsule connecting tube, 19, be locked screw, 20, electronic flowmeter, 21, closure capsule joint, 22, spiral shell
Line is switched, 23, drilling rod, 24, rig, 25, pressure hose, 26, high-pressure hose, 27, correction flexible pipe, 28, closure operating capsule platform,
29th, water flood operations platform, 30, electronic logger, 31, pressure-regulating valve, 32, the front end of anterior probe unit, 33, draw-in groove joint,
34th, pressure gauge, 35, flowmeter, 36, pressure of return water table, 37, delivery port, 38, spring, 39, closure room.
Specific embodiment
Further clear, complete explanation is done to the present invention with reference to specific embodiment.
Top board leaking crevice belt development height of the present invention is segmented observation system, as shown in figure 1, mainly include detection system,
Plugging system and supply measurement system.
Detection system includes test probe 3, and with reference to shown in Fig. 2 and Fig. 3, unlike the prior art, it is not test probe
One entirety, but be in turn connected to form by several probe units, the present embodiment is illustrated by taking three probe units as an example,
By stretch into rockhole most inner side for anterior probe unit 301, middle part is middle part probe unit 302 and the tail near outside
Portion's probe unit 303, with reference to shown in Figure 10-Figure 13, each probe unit includes that water inlet pipe 10, return pipe 11, pressure are adjusted
Valve 31 and electronic flowmeter 20, water inlet pipe and return pipe are in parallel arrangement, and the probe unit 302 and afterbody positioned at middle part detect single
The two ends of first 303 its water inlet pipe and return pipe are fastened on draw-in groove joint respectively, and Figure 13 shows the structure of trailer card trough connection
Schematic diagram, Figure 11 shows the structural representation of anterior draw-in groove joint, as can be seen from Figure 10 the front end of anterior probe unit
At 32, the position relationship of capsule joint, admitting pipe joint and returning pipe joint is blocked in draw-in groove joint, the profile of draw-in groove joint is
There is flange 7 column, its top and bottom laterally, and center section is cylindrical chamber, and the effect of flange is so that closure capsule 4 is more preferable
Be wound on flange draw-in groove joint, have in the cylindrical chamber water inlet pipe draw-in groove joint, return pipe draw-in groove joint and closure capsule connect
Head, closure capsule joint is located at the top of return pipe draw-in groove joint, positioned at the water inlet pipe and return pipe of anterior probe unit
One end is connected on draw-in groove joint, and the other end is connected with U-tube road, and the water inlet pipe of adjacent probe unit, return pipe are maintained at
On straight line, pressure-regulating valve 31 is set in the inside of draw-in groove joint, delivery port 37, electronic flow are provided with return pipe 11
Meter 20 is installed at delivery port 37, 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 enters
Water pipe two is constituted, as shown in figure 8, the return pipe of each probe unit is by two groups of return pipe one and return pipe being detachably connected
Into, such as it is connected by buckle and draw-in groove, setting seal washer 6 in junction can be fully sealed, and water inlet pipe and return pipe are distinguished
Be connected with water inlet pipe draw-in groove joint 8 and return pipe draw-in groove joint 9, the water inlet pipe of each probe unit be it is detachable, can root
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 draw-in groove joint, then is fastened on draw-in groove joint by capsule 4 is blocked by fastening bung flange 5
On, capsule connecting tube 18 is fastened on draw-in groove joint, can be connected adjacent closure capsule, and closure operating capsule platform 28 passes through glue
Capsule connecting tube is to conveying high-pressure source of the gas in each closure capsule.
Supply measurement system is as shown in figure 1, can wherein be broadly divided into feeder, water supply installation and measure device, difference
It is water flood operations platform 29, high-pressure hose 26, corrects flexible pipe 27, pressure of return water table 36, electronic logger 30, rig 24, drilling rod 23,
Water flood operations platform 29 provides high-pressure water by high-pressure hose 26 to the water inlet pipe 10 in detection system, and water flood operations platform 29 includes
Flowmeter 35, pressure gauge 34, are each responsible for observing injection flow and water injection pressure, and electronic logger 30 installs water flood operations platform 29
On, it is responsible for the streamflow parameter of electronic flowmeter 20 in record detection system, and other pressure, flow parameter are carried out accordingly
Record treatment, pressure of return water table 36 is responsible for the correction detection of 11 pressure of return waters in return pipe, it is ensured that each water flow pressure for surveying section
Roughly equal, the drilling rod 23 of rig 24 is responsible for mobile detection system, so as to ensure the measurement work of the diverse location in drilling 2.
Above-mentioned pressure of return water table 36 can detect whether the pressure of the reclaimed water of return pipe 11 reaches regulation by correcting flexible pipe 27
The pressure of side leakage water, rig 24 and drilling rod 23 are used for mobile test probe 3, and the water guide for being used to determine diverse location in drilling 2 splits
The height of gap band.
Electronic logger 30 is used to receive the water flow data of the meter transmission of electronic flow 20, and other dependency numbers tested
According to, processed accordingly, form drilling stray arrow figure.
Above-mentioned closure capsule 4 surrounds the outside of draw-in groove joint 33, a swollen space of formed closure capsule 4, fastening
Bung flange 5 is fastened on capsule 4 is blocked on draw-in groove joint 33, and 18 points of capsule connecting tube is independent some sections, as shown in fig. 7,
The screw 19 that is locked is provided with every section of anterior and afterbody of capsule connecting tube, positioned at the capsule connecting tube of anterior and afterbody
Rounded baffle-like, is used to block the screw that is locked, and 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 can be sent to for high-pressure air source by pressure hose 25 by closure operating capsule platform 28
Draw-in groove joint 33 with closure capsule 4 formed space in, formed closure room 39, with up to play a part of it is swollen block capsule 4.
With reference to shown in Fig. 4-6, pressure-regulating valve 31 is both provided with each draw-in groove joint, pressure-regulating valve 31 is by spring
38th, set screw 12, sealing clamp 13, piston group 14, hole 1, hole 2 16 and limbers 17 constitute, and set screw 12 passes through
Adjust the position of sealing clamp 13 to change the pretightning force of spring 38 to reach corresponding Opening pressure, if the water hole one in return pipe
15 pressure is more than the pressure in hole 2 16, and when reaching the Opening pressure value of the setting of set screw 12, is moved in piston group 14, now
Piston group 14 connects limbers 17 just, and the water of the side of hole 1 reaches the purpose of supplement water by the side of limbers access aperture 2 16,
If the pressure of the water of the side of hole 1 less than the side of hole 2 16 water pressure, in the presence of spring 38, piston group 14 in downside, this
When, piston group 14 seals limbers 17 just.
Above-mentioned pressure-regulating valve, in the pressure-regulating valve in positioned at anterior probe unit, what set screw was adjusted opens
Pressure is opened to determine by testing the water injection pressure of setting;Positioned at middle part probe unit and the pressure-regulating valve of afterbody probe unit
In, the Opening pressure that set screw is adjusted surveys length to determine by the inclination angle for drilling and each probe unit, and pressure is adjusted
The section upper and lower ends of valve 31 after the Opening pressure for regulating setting, return pipe are connected after putting draw-in groove joint 33 into again into convex
11。
The present invention, the observation procedure key step of top board leaking crevice belt development height segmentation observation system includes:
(1) drilling:With conventional coal mine drilling machine 24 in coal petrography tunnel to roof strata 1 in stamp row drilling 2, hole depth
Reach about 30-50m;
(2) detection system is installed:Debris in cleaning drilling 2, test probe 3 is installed in drilling 2, is measured according to drilling 2
Length, sets suitable measured hole hop count mesh, with spreading test probes 3 such as water inlet pipe 10, return pipe 11 and draw-in groove joints 33, and
2 initial positions of drilling are sent to using rig 24 and drilling rod 23;
(3) closing drilling:After probe header to be measured 3 reaches initial position, associated conduit is mounted and connected, using blocking capsule
4 form closure room 39, and high-pressure air source is delivered into closure capsule by pressure hose 25 first with closure operating capsule platform 28
4, up to certain pressure is caused, form closure room 39;Then high-pressure hose 26 is passed through by specified pressure water source using water flood operations platform 29
Water inlet pipe 10 is delivered to, wherein, the gas pressure in closure capsule 4 wants return pipe in a little higher than methane gas pressure and closure room 39
The pressure of 11 water;
(4) return pipe water pressure is corrected:After sealing of hole 2 is finished, connection correction flexible pipe 27 and pressure of return water table 36 open screw thread
Whether switch 22, the water pressure in detection return pipe 11, if improper, needs to debug pressure again in rational range hydraulic pressure
The grade associated components of regulating valve 31, then test the water pressure of return pipe 11;
(5) flowing water vector parameters are determined:After correction water pressure, thread switch 22 is closed, carries out flowing water vector parameters measure,
Switch and electronic logger 30 are opened, and corresponding source pressure is provided, after after stabilization, electronics is received by electronic logger 30
The water flow data of flowmeter 20 and other pressure and related data, the data that electronic logger 30 will be collected into carry out treatment point
The corresponding flowing water polar plot of survey section is formed after analysis, is then popped one's head in using rig 24 and the mobile test of drilling rod 23, be repeated in
Step 2 is measured to step 5 to drilling 2.
Above-described embodiment is only that one of the invention is illustrated, and and it is non-limiting, the number of probe unit, closure capsule with
And each probe unit is surveyed drillable length and can be changed according to on-site actual situations, also, the ginseng such as water inlet pipe and return pipe
Number is adjusted also dependent on actual conditions.
Under enlightenment of the invention, other probe units of the detachable connection for drawing also should be for those skilled in the art
Within protection scope of the present invention.
Claims (9)
1. a kind of top board leaking crevice belt development height is segmented observation system, and it includes that detection system, plugging system and supply are surveyed
Determine system, the detection system is arranged in the drilling of fissure zone, the plugging system is used to close the drilling, and its feature exists
In:
The detection system includes test probe, and the test probe is to be connected in turn to be formed by several probe units
, being formed by draw-in groove joint between adjacent probe unit and be detachably connected, each probe unit includes water inlet pipe, backwater
Pipe, pressure-regulating valve and electronic flowmeter, the water inlet pipe and return pipe are in parallel arrangement, positioned at middle part and the detection list of afterbody
The two ends of first its water inlet pipe and return pipe are fastened on the draw-in groove joint respectively, positioned at anterior probe unit water inlet pipe and
One end of return pipe is connected on the draw-in groove joint, and the other end is connected with U-tube road, the water inlet pipe of adjacent probe unit,
Return pipe keeps point-blank, the pressure-regulating valve being set in the inside of draw-in groove joint, is provided with the return pipe
Delivery port, the electronic flowmeter is installed in the water outlet, the streamflow for recording the probe unit, and each detection is single
Water flow pressure in unit keeps equal;
The plugging system includes capsule connecting tube, fastening bung flange, closure operating capsule platform and several closure capsules, each envelope
Stifled capsule surrounds the outside of the draw-in groove joint, and the draw-in groove joint is fastened on by capsule is blocked by described fastening bung flange
On, the capsule connecting tube is fastened on the draw-in groove joint, for adjacent closure capsule to be connected, the closure capsule behaviour
Make platform and conveying high-pressure source of the gas in capsule is blocked to each by the capsule connecting tube;
The supply measurement system is connected with the water inlet pipe, for water filling in water inlet pipe, show and record parameters;
The pressure-regulating valve includes spring, set screw, sealing clamp, piston group, Kong Yi, hole two and limbers, the tune
Section screw is located at the top of the sealing clamp, and the spring is located at the bottom of sealing clamp, and the piston group is located at the bullet
Spring lower section, the set screw changes initial tension of spring by adjusting the position of sealing clamp and is pressed with reaching corresponding unlatching
Power, current are controlled by the movement of the piston group.
2. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:The card
Trough connection includes cylindrical chamber, water inlet pipe draw-in groove joint, return pipe draw-in groove joint and closure capsule joint, and the closure capsule connects
Head is located at the top of the return pipe draw-in groove joint, there is the flange for extending laterally, institute at the top and bottom of the cylindrical chamber
Closure capsule is stated to surround on the flange.
3. top board leaking crevice belt development height according to claim 1 is segmented observation system, 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 being close at every section of anterior and afterbody of capsule connecting tube,
Positioned at the rounded baffle-like of capsule connecting tube of anterior and afterbody, it is used to block the screw that is locked.
4. top board leaking crevice belt development height according to claim 3 is segmented observation system, 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. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:Each is visited
The water inlet pipe surveyed in unit is made up of the water inlet pipe one and water inlet pipe two that are detachably connected, the return pipe of each probe unit by
The return pipe one and the composition of return pipe two being detachably connected.
6. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:The pressure
In force regulating valve, if the pressure in hole one is more than the pressure in hole two, and when reaching the Opening pressure value of the set screw setting, it is living
Moved in plug group, now piston group connects the limbers just, the water of hole side reaches supplement by the side of limbers access aperture two
The purpose of water;If the pressure of the water of hole side less than the side of hole two water pressure, under the action of the spring, piston group in downside,
Now, piston group seals the limbers just.
7. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:Positioned at preceding
In pressure-regulating valve in portion's probe unit, the Opening pressure that set screw is adjusted is by testing the water injection pressure of setting come really
It is fixed;In the pressure-regulating valve of middle part probe unit and afterbody probe unit, the Opening pressure that set screw is adjusted passes through
The inclination angle of drilling and each probe unit survey length to determine.
8. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:The confession
Include water flood operations platform, pressure of return water table, electronic logger, rig and drilling rod to measurement system, the water flood operations platform is to institute
State water inlet pipe and high-pressure water is provided, the electronic logger is arranged on water flood operations platform, for recording the electronic flowmeter
Streamflow parameter, the pressure of return water table be used for detection, the rig, drilling rod are corrected to the pressure of return water in return pipe
For moving the detection system, the water flood operations platform includes flowmeter, pressure gauge, is respectively used to observe injection flow and note
Water pressure.
9. top board leaking crevice belt development height according to claim 1 is segmented observation system, it is characterised in that:Detection is single
Unit includes 3-6, and each probe unit surveys drillable length for 2m.
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CN105372410B (en) * | 2015-12-09 | 2017-03-01 | 山东科技大学 | Double-end sealing leak detection combined geometry |
CN107725101B (en) * | 2017-10-13 | 2019-04-16 | 临沂矿业集团有限责任公司 | Rock body quality of mine drilling multisection type gas pumping method |
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