CN109882153A - A kind of coal-bed gas exploitation monitoring device - Google Patents
A kind of coal-bed gas exploitation monitoring device Download PDFInfo
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- CN109882153A CN109882153A CN201910211744.0A CN201910211744A CN109882153A CN 109882153 A CN109882153 A CN 109882153A CN 201910211744 A CN201910211744 A CN 201910211744A CN 109882153 A CN109882153 A CN 109882153A
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Abstract
The invention discloses a kind of coal-bed gas exploitation monitoring devices, the present invention is by the way of concentrating regional area extraction, extraction efficiency and reliability can effectively be improved, excessive extraction power is not needed, extracting result can be greatly improved, the highly concentrated position of coal bed gas can be accurately monitored out by the monitoring device, in order to realize emphasis extraction；Walking component of the invention can assist the axial direction of hollow stem to be moved along extraction, can be very good to realize the monitoring to the coal bed gas of different location, improve the efficiency of coal bed gas extraction monitoring；Equipment rack component of the invention can make the walking component moment and groove of walking carries out cooperation movement, guarantee wheel efficiency, and guidance set can carry out position restriction and walk to be oriented to equipment rack component, guarantee the reliability of walking；Suction concentration monitor component of the invention can quickly realize that the suction to coal bed gas monitors, in order to provide position foundation to the extraction of subsequent emphasis part.
Description
Technical field
The present invention relates to Coal-seam Gas Recovery Technologies field, specifically a kind of coal-bed gas exploitation monitoring device.
Background technique
Coal bed gas is previously stored in coal seam using methane as main component, to be adsorbed on based on matrix of coal particle surface, part
The hydrocarbon gas for being free in coal hole or being dissolved in coal seam water is the associated minerals resource of coal, belongs to Unconventional gas.Its
It is very clean after burning, it is nearly free from any exhaust gas, is first-class industry, chemical industry, power generation and resident living fuel.Coal bed gas is empty
When gas concentration reaches 5%-16%, meeting open fire will explode, this is the root of Gas Explosion Accidents in Coal Mines.Coal bed gas direct emission
Into atmosphere, greenhouse effects are about 21 times of carbon dioxide, extremely strong to ecological environment destruction.If first opened before coal mining
Mining coal seam gas, coal mine gas from explosion rate will reduce by 70% to 85%.The development and utilization of coal bed gas have effects that achieve many things at one stroke, clean
Net energy source, commercialization can generate huge economic benefit.
For coal bed gas, since its content has concentration to have certain locality, coal bed gas extraction is come
It says, needs to carry out it local emphasis extraction, and current extraction strategy is typically only to carry out extraction to entire extraction borehole
Whole extraction, this results in extraction low efficiency, needs great extraction power, and power consumption is larger, influences the efficiency of coal bed gas extraction
With reliability.And the extraction of local emphasis can greatly improve the reliability of extraction efficiency and extraction, still, this part
The extraction way of emphasis needs to be monitored highly concentrated local location, in order to the extraction of the emphasis band of position.
Therefore, mentioned above in the background art to solve the present invention provides a kind of coal-bed gas exploitation monitoring device
Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of coal-bed gas exploitation monitoring devices, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of coal-bed gas exploitation monitoring device, the monitoring device is for monitoring different depth position in coal bed gas extraction borehole
The coal seam gas concentration set, in order to which emphasis carries out extraction to the highly concentrated regional area of coal bed gas；It is characterized in that,
The monitoring device includes equipment rack component, walking component, guidance set and suction concentration monitor component, wherein
The two sides of the width direction of the equipment rack component, which are fixedly connected, is provided with the walking component, the equipment rack component
The side of length direction is provided with the guidance set, and the other side of the length direction of the equipment rack component is provided with described
Aspirate concentration monitor component；
It is protruded into the coal bed gas extraction borehole and is provided with auxiliary hollow stem, setting in the centre bore of the auxiliary hollow stem
There is the extraction bar for carrying out regional area extraction to coal bed gas, is provided with direction axially along on the outer wall of the auxiliary hollow stem
The walking groove of extension；
Two opposite inner sidewalls cooperation of the walking component and the walking groove rolls movement, to drive described set
Standby rack components is moved along the extending direction of the walking groove；
The T-type guide chute parallel with the walking groove, the guiding are provided in the inner bottom wall of the walking groove
Component is oriented to sliding in the T-type guide chute, and the T-type guide chute can be auxiliary to equipment rack component progress
Help the limit in the radial direction of hollow stem；
The suction concentration monitor component can be adsorbed and be taken out to the inner wall of the different location of coal bed gas extraction borehole
It adopts, and the concentration of the coal bed gas of extraction is monitored during extraction.
Further, preferably, the equipment rack component includes arc expansion bracket one, arc expansion bracket two and centre
Frame, wherein the central axis of the central axis of the arc expansion bracket one and arc expansion bracket two and the auxiliary hollow stem exists
On straight line, and the arc expansion bracket one is located at the outside of arc expansion bracket two, and the arc expansion bracket one and arc are stretched
Contracting frame two includes outer sleeve frame, interior stock and adjusting clamping screw, wherein one end of the interior stock is telescopic to be set in outside
One end of stock, the other end of the interior stock and the other end of the outer sleeve frame are provided with the walking component, the tune
The interior stock is locked in the outer sleeve frame by section clamping screw, and institute is used between the interior stock and the outer sleeve frame
Middle frame is stated to be fixedly connected.
Further, preferably, the walking component includes positive transport wheel, driven traveling wheel, connecting spring seat and row
Walk motor, wherein the arc expansion bracket one is respectively adopted connecting spring seat with the both ends of arc expansion bracket two and connects setting
There are positive transport wheel and driven traveling wheel, and two positive transport wheels are arranged diagonal, and are sequentially connected on the positive transport wheel
There is movable motor, the connecting spring seat is close to the positive transport wheel, driven traveling wheel against the walking groove
Inner sidewall.
Further, preferably, the guidance set includes connecting column, guide runner, wherein the guide runner uses
Connecting column is connected on the equipment rack component, and the guide runner is oriented to sliding in the T-type guide chute.
Further, preferably, being provided with the big groove extended along its extending direction on the bottom wall of the walking groove,
The bottom wall outer of the walking groove is fixedly installed auxiliary arc plate, and the position that big groove is corresponded on the auxiliary arc plate is provided with
Little groove, the little groove and big groove structure are set as the T-type guide chute.
Further, preferably, the suction concentration monitor component includes elastic expansion outer projection seat, rigid holder, filter, pumping
Inhale arc plate, suction generator and coal bed gas concentration monitor sensor, wherein the rigid holder is arcuate structure, and its surrounding is set
It is equipped with towards projection seat outside the elastic expansion of the inner hole wall direction of coal bed gas extraction borehole extension, the rigid holder is bored towards extraction
The inner wall direction in hole is additionally provided with suction arc plate, and the outside of the suction arc plate is additionally provided with filter, the rigid holder with it is described
Suction chamber is additionally provided between suction arc plate, the coal bed gas concentration monitor sensor is arranged in the suction chamber, and described
The suction connector being connected to the suction chamber is additionally provided on rigid holder, the suction connector is connected to suction generator.
Further, preferably, the outer projection seat of the elastic expansion is elastic sack body structure, and the outer projection seat of the elastic expansion
Inner cavity connect by pipe fitting with control air pump, by controlling elastic expansion control of the air pump realization to projection seat outside elastic expansion
System.
Further, preferably, it is described auxiliary hollow stem inner end be additionally provided with it is highly concentrated to coal bed gas for emphasis
Regional area carries out the local extraction device of extraction, and the part extraction device can carry out the highly concentrated regional area of the coal bed gas
It seals and carries out local extraction operation.
Further, preferably, the outside of the extraction borehole is additionally provided with ring flange locating piece, the auxiliary hollow stem
It can extend into the ring flange locating piece, and the central axis of the auxiliary hollow stem can be with the central axis of ring flange locating piece
Line is adjusted within the scope of certain angle, in order to hollow stem be assisted to protrude into extraction borehole in the form of swinging.
Further, preferably, the monitoring device is two sets, and at the two sides for being arranged symmetrically on auxiliary hollow stem.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention can effectively improve extraction efficiency and reliability, no by the way of concentrating regional area extraction
Excessive extraction power is needed, extracting result can be greatly improved, which can be accurately dense by coal bed gas
It spends high position to be monitored out, in order to realize emphasis extraction；
(2) walking component of the invention can assist the axial direction of hollow stem to be moved along extraction, can be very good reality
Now to the monitoring of the coal bed gas of different location, the efficiency of coal bed gas extraction monitoring is improved；
(3) equipment rack component of the invention can make the walking component moment and groove of walking carries out cooperation movement, protect
Demonstrate,prove wheel efficiency, and guidance set can to equipment rack component carry out position restriction and walking be oriented to, guarantee walking can
By property；Suction concentration monitor component of the invention can quickly realize that the suction to coal bed gas monitors, in order to subsequent
The extraction of emphasis part provides position foundation.
Detailed description of the invention
Fig. 1 is a kind of mounting arrangements schematic view of the front view of coal-bed gas exploitation monitoring device；
Fig. 2 is a kind of schematic view of the front view of the installation site in coal-bed gas exploitation monitoring device；
Fig. 3 is a kind of main view enlarged structure schematic diagram of coal-bed gas exploitation monitoring device.
Fig. 4 is that concentration monitor component structure diagram is aspirated in a kind of coal-bed gas exploitation monitoring device；
Specific embodiment
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of coal-bed gas exploitation monitoring device, the monitoring device is for supervising
The coal seam gas concentration of different depth position in coal bed gas extraction borehole is surveyed, in order to which emphasis is to the highly concentrated regional area of coal bed gas
Carry out extraction；It is characterized in that,
The monitoring device 3 includes equipment rack component, walking component, guidance set and aspirates concentration monitor component 11,
In, the two sides of the width direction of the equipment rack component, which are fixedly connected, is provided with the walking component, the equipment rack group
The side of the length direction of part is provided with the guidance set, and the other side of the length direction of the equipment rack component is provided with
The suction concentration monitor component；
It is protruded into the coal bed gas extraction borehole and is provided with auxiliary hollow stem 2, set in the centre bore of the auxiliary hollow stem 2
It is equipped with the extraction bar 1 for carrying out regional area extraction to coal bed gas, is provided with axially along on the outer wall of the auxiliary hollow stem 2
The walking groove 6 that direction extends；
The cooperation of two opposite inner sidewalls 19 of the walking component and the walking groove 6 rolls movement, to drive
Equipment rack component is stated to move along the extending direction of the walking groove 6；
The T-type guide chute parallel with the walking groove, the guiding are provided in the inner bottom wall of the walking groove 6
Component is oriented to sliding in the T-type guide chute, and the T-type guide chute can be auxiliary to equipment rack component progress
Help the limit in the radial direction of hollow stem；
The suction concentration monitor component 11 can adsorb simultaneously the inner wall of the different location of coal bed gas extraction borehole
Extraction, and the concentration of the coal bed gas of extraction is monitored during extraction.
In the present embodiment, the equipment rack component includes arc expansion bracket one, arc expansion bracket two and middle frame 14,
Wherein, the central axis of the central axis of the arc expansion bracket one and arc expansion bracket two and the auxiliary hollow stem 2 is one
On straight line, and the arc expansion bracket one is located at the outside of arc expansion bracket two, and the arc expansion bracket one and arc are flexible
Frame two includes outer sleeve frame 12, interior stock 16 and adjusting clamping screw 15, wherein the telescopic set in one end of the interior stock 16
It is located at one end of outer sleeve frame 12, the other end of the interior stock 16 and the other end of the outer sleeve frame are provided with the walking group
The interior stock is locked in the outer sleeve frame by part, the adjusting clamping screw 15, the interior stock and the housing
It is fixedly connected between frame using the middle frame 14.
As preferred embodiment, the walking component includes positive transport wheel, driven traveling wheel 10, connecting spring seat 18
With movable motor 9, wherein the company of connecting spring seat 18 is respectively adopted in the both ends of the arc expansion bracket one and arc expansion bracket two
It connects and is provided with positive transport wheel and driven traveling wheel 10, and two positive transport wheels are arranged diagonal, on the positive transport wheel
It is sequentially connected with movable motor 9, the connecting spring seat 18 is close to the positive transport wheel, driven traveling wheel 10 against institute
State the inner sidewall 19 of walking groove 6.
Wherein, such as Fig. 3, the guidance set includes connecting column 8, guide runner 7, wherein the guide runner is using company
It connects column 8 to be connected on the equipment rack component, the guide runner 7 is oriented to sliding in the T-type guide chute.
As more preferably embodiment, it is provided on the bottom wall of the walking groove 6 along the big recessed of its extending direction extension
Slot, the bottom wall outer of the walking groove 6 are fixedly installed auxiliary arc plate 17, the position of big groove are corresponded on the auxiliary arc plate 17
It installs and is equipped with little groove, the little groove and big groove structure are set as the T-type guide chute.
In addition, in the present embodiment, the suction concentration monitor component include the outer projection seat 22 of elastic expansion, rigid holder 25,
Filter 21, suction arc plate 27, suction generator and coal bed gas concentration monitor sensor, wherein the rigid holder 25 is arc knot
Structure, and its surrounding is provided with towards projection seat 22 outside the elastic expansion of 20 direction of inner hole wall of coal bed gas extraction borehole extension, it is described
The inner wall direction towards extraction borehole of rigid holder 25 is additionally provided with suction arc plate 27, and the outside of the suction arc plate 27 is also set up
There is filter 21, suction chamber 24, the coal bed gas concentration monitor are additionally provided between the rigid holder 25 and the suction arc plate 27
Sensor is arranged in the suction chamber 24, and the suction connector being connected to the suction chamber is additionally provided on the rigid holder
26, the suction connector 26 is connected to suction generator.
The outer projection seat 22 of the elastic expansion is elastic sack body structure, and the inner cavity of the outer projection seat 22 of the elastic expansion passes through pipe
Connector 23 is connect with control air pump, realizes that the elastic expansion to projection seat 22 outside elastic expansion controls by control air pump.
In the present invention, such as Fig. 1, the inner end of the auxiliary hollow stem 2 is additionally provided with for emphasis to coal seam gas concentration height
Regional area carry out the local extraction device 4 of extraction, the part extraction device can be by the highly concentrated regional area of the coal bed gas
It is sealed and carries out local extraction operation.The outside of the extraction borehole is additionally provided with ring flange locating piece 5, and the auxiliary is empty
Core bar can extend into the ring flange locating piece 5, and the central axis of the auxiliary hollow stem can be with ring flange locating piece 5
Central axis is adjusted within the scope of certain angle, in order to hollow stem be assisted to protrude into extraction borehole in the form of swinging.
In addition, for the ease of monitoring and detection to different circumference positions, which can be set to two sets, and at
It is arranged symmetrically on the two sides of auxiliary hollow stem 1.
The present invention can effectively improve extraction efficiency and reliability, be not required to by the way of concentrating regional area extraction
Excessive extraction power is wanted, extracting result can be greatly improved, which can be accurately by coal seam gas concentration
High position is monitored out, in order to realize emphasis extraction；Walking component of the invention can assist hollow stem along extraction
Axial direction moved, can be very good to realize the monitoring to the coal bed gas of different location, improve the effect of coal bed gas extraction monitoring
Rate；Equipment rack component of the invention can make the walking component moment and groove of walking carries out cooperation movement, guarantee that walking is imitated
Rate, and guidance set position restriction can be carried out to equipment rack component and walking is oriented to, and guarantees the reliability of walking；This hair
Bright suction concentration monitor component can quickly realize that the suction to coal bed gas monitors, in order to locally take out to subsequent emphasis
It adopts and position foundation is provided.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of coal-bed gas exploitation monitoring device, the monitoring device is for monitoring different depth position in coal bed gas extraction borehole
Coal seam gas concentration, in order to emphasis to the highly concentrated regional area of coal bed gas carry out extraction；It is characterized in that,
The monitoring device (3) includes equipment rack component, walking component, guidance set and aspirates concentration monitor component (11),
In, the two sides of the width direction of the equipment rack component, which are fixedly connected, is provided with the walking component, the equipment rack group
The side of the length direction of part is provided with the guidance set, and the other side of the length direction of the equipment rack component is provided with
The suction concentration monitor component；
It is protruded into the coal bed gas extraction borehole and is provided with auxiliary hollow stem (2), set in the centre bore of auxiliary hollow stem (2)
It is equipped with the extraction bar (1) for carrying out regional area extraction to coal bed gas, is provided on the outer wall of auxiliary hollow stem (2) along it
The walking groove (6) that axial direction extends；
Two opposite inner sidewalls (19) cooperation of the walking component and walking groove (6) rolls movement, to drive
The extending direction that equipment rack component is stated along walking groove (6) is mobile；
The T-type guide chute parallel with the walking groove, the guiding group are provided in the inner bottom wall of walking groove (6)
Part is oriented to sliding in the T-type guide chute, and the T-type guide chute can assist the equipment rack component
The limit in the radial direction of hollow stem；
The suction concentration monitor component (11) can be adsorbed and be taken out to the inner wall of the different location of coal bed gas extraction borehole
It adopts, and the concentration of the coal bed gas of extraction is monitored during extraction.
2. a kind of coal-bed gas exploitation monitoring device according to claim 1, which is characterized in that the equipment rack component
Including arc expansion bracket one, arc expansion bracket two and middle frame (14), wherein the arc expansion bracket one and arc expansion bracket two
Central axis and auxiliary hollow stem (2) central axis point-blank, and the arc expansion bracket one is located at arc
The outside of shape expansion bracket two, the arc expansion bracket one and arc expansion bracket two include outer sleeve frame (12), interior stock (16) and
It adjusts clamping screw (15), wherein telescopic one end for being set in outer sleeve frame (12) in one end of the interior stock (16), it is described
The other end of interior stock (16) and the other end of the outer sleeve frame are provided with the walking component, the adjusting clamping screw
(15) the interior stock is locked in the outer sleeve frame, the centre is used between the interior stock and the outer sleeve frame
Frame (14) is fixedly connected.
3. a kind of coal-bed gas exploitation monitoring device according to claim 2, which is characterized in that the walking component includes
Positive transport wheel, driven traveling wheel (10), connecting spring seat (18) and movable motor (9), wherein one He of arc expansion bracket
The both ends of arc expansion bracket two are respectively adopted connecting spring seat (18) and are connected with positive transport wheel and driven traveling wheel
(10), and two positive transport wheels are arranged diagonal, and movable motor (9), the company are sequentially connected on the positive transport wheel
Connecing spring base (18) makes the positive transport wheel, driven traveling wheel (10) be close to the inner sidewall against walking groove (6)
(19)。
4. a kind of coal-bed gas exploitation monitoring device according to claim 1, which is characterized in that the guidance set includes
Connecting column (8), guide runner (7), wherein the guide runner is connected on the equipment rack component using connecting column (8),
The guide runner (7) is oriented to sliding in the T-type guide chute.
5. a kind of coal-bed gas exploitation monitoring device according to claim 4, which is characterized in that the walking groove (6)
Bottom wall on be provided with along its extending direction extend big groove, it is described walking groove (6) bottom wall outer be fixedly installed
It assists arc plate (17), the position that big groove correspond on auxiliary arc plate (17) is provided with little groove, the little groove and recessed greatly
Slot structure is set as the T-type guide chute.
6. a kind of coal-bed gas exploitation monitoring device according to claim 1, which is characterized in that the suction concentration monitor
Component includes the outer projection seat (22) of elastic expansion, rigid holder (25), filter (21), suction arc plate (27), suction generator and coal seam
Gas concentration monitors sensor, wherein the rigid holder (25) is arcuate structure, and its surrounding is provided with towards coal bed gas extraction and bores
The outer projection seat (22) of the elastic expansion that inner hole wall (20) direction in hole extends, the inner wall towards extraction borehole of the rigid holder (25)
Direction is additionally provided with suction arc plate (27), and the outside of suction arc plate (27) is additionally provided with filter (21), the rigid holder
(25) it is additionally provided with suction chamber (24) between the suction arc plate (27), the coal bed gas concentration monitor sensor is arranged in institute
It states in suction chamber (24), and is additionally provided with the suction connector (26) being connected to the suction chamber, the suction on the rigid holder
Connector (26) is connected to suction generator.
7. a kind of coal-bed gas exploitation monitoring device according to claim 6, which is characterized in that the elastic expansion evagination
Seat (22) is elastic sack body structure, and the inner cavity of the outer projection seat (22) of the elastic expansion is connected by pipe fitting (23) and control air pump
It connects, realizes that the elastic expansion to projection seat outside elastic expansion (22) controls by control air pump.
8. a kind of coal-bed gas exploitation monitoring device described in -7 any one according to claim 1, which is characterized in that described auxiliary
The inner end of hollow stem (2) is helped to be additionally provided with the local extraction device for carrying out extraction to the highly concentrated regional area of coal bed gas for emphasis
(4), the highly concentrated regional area of the coal bed gas can be sealed and carry out local extraction operation by the local extraction device.
9. a kind of coal-bed gas exploitation monitoring device described in -7 any one according to claim 1, which is characterized in that the pumping
The outside of borehole is additionally provided with ring flange locating piece (5), and the auxiliary hollow stem can extend into the ring flange locating piece
(5), and the central axis of the auxiliary hollow stem can be with the central axis of ring flange locating piece (5) within the scope of certain angle
It adjusts, in order to hollow stem be assisted to protrude into extraction borehole in the form of swinging.
10. a kind of coal-bed gas exploitation monitoring device described in -7 any one according to claim 1, which is characterized in that the prison
Controlling equipment is two sets, and at the two sides for being arranged symmetrically on auxiliary hollow stem (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211744.0A CN109882153B (en) | 2019-03-19 | 2019-03-19 | Monitoring equipment for exploitation of coal bed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211744.0A CN109882153B (en) | 2019-03-19 | 2019-03-19 | Monitoring equipment for exploitation of coal bed gas |
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| CN109882153B CN109882153B (en) | 2020-04-03 |
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ID=66933205
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910211744.0A Active CN109882153B (en) | 2019-03-19 | 2019-03-19 | Monitoring equipment for exploitation of coal bed gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927429A (en) * | 2020-07-29 | 2020-11-13 | 北京理工大学 | Detection and early warning device and method for carbon dioxide stored in oil and gas field exploitation layer |
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| CN111927429B (en) * | 2020-07-29 | 2022-02-11 | 北京理工大学 | Detection and early warning device and method for carbon dioxide stored in oil and gas field exploitation layer |
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| CN109882153B (en) | 2020-04-03 |
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