CN107859500A - Rock body quality of mine drilling transmission increasing gas closure unit and measurement system - Google Patents
Rock body quality of mine drilling transmission increasing gas closure unit and measurement system Download PDFInfo
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- CN107859500A CN107859500A CN201710953973.0A CN201710953973A CN107859500A CN 107859500 A CN107859500 A CN 107859500A CN 201710953973 A CN201710953973 A CN 201710953973A CN 107859500 A CN107859500 A CN 107859500A
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- cavity
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- 238000005553 drilling Methods 0.000 title claims abstract description 44
- 239000011435 rock Substances 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 title abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 241001149930 Protura <class> Species 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000004880 explosion Methods 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 30
- 239000000523 sample Substances 0.000 claims description 21
- 239000002775 capsule Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 230000000994 depressogenic effect Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000605 extraction Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 239000003245 coal Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/122—Multiple string packers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/261—Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking the formation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/084—Obtaining fluid samples or testing fluids, in boreholes or wells with means for conveying samples through pipe to surface
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/087—Well testing, e.g. testing for reservoir productivity or formation parameters
- E21B49/0875—Well testing, e.g. testing for reservoir productivity or formation parameters determining specific fluid parameters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of rock body quality of mine drilling transmission increasing gas closure unit and measurement system, it solves the problems, such as that rock body quality of mine borehole sealing effect is poor in the prior art, extraction cost is high, picking rate is slower, with triple closure modes are used, borehole sealing effect ensure that；The anti-reflection processing of horizontal high voltage is entered to collection cavity surrounding rock body crack, ensure that the effect of rock mass gas collection；Its technical scheme is：Closure unit, two plugging systems including collection system and in drilling；It is connected between two plugging systems by collection tube and forms collection cavity with drill hole inner wall, the head of plugging system is connected with conehead；The closure unit is connected with the afterbody of plugging system by communicating pipe and forms sealing cavity with drill hole inner wall；The collection system is connected with blocking the afterbody of unit, and gas enters collection system by collection tube and carries out Gas explosion burns measure.
Description
Technical field
The invention belongs to rock body quality of mine hole pumping and mining technical field, and in particular to rock body quality of mine drilling transmission increasing gas closure
Unit and measurement system.
Background technology
Gas pressure and gas bearing capacity are the important parameters for indicating coal-bed gas occurrence status.In research mine coal and gas
When protrusion, Gas, gas drainage under suction, it is a critical underlying parameter, thus for research coal-bed gas preservation and
The rule gushed out, it is necessary to carry out the measure of coal-bed gas pressure and gas bearing capacity.According to coal industry standard MT/T638-
1996《The Direct Determination of coal mine underground coal bed gas pressure》Regulation, pressure measurement drill site should be selected in the tunnel of adjacent coal seam
In, it should typically select to stamp capable drilling in complete hard coal petrography.
Concrete filling material is filled into drilling or is installed in the borehole however, traditional borehole sealing mode uses
2 pieces of baffle plates, sealing space is formed, and filler, above-mentioned a variety of closure are irrigated into this sealing space by single pipeline
Many defects be present in mode, such as：
1. gas pumping pipeline is separate with blocking pipe in drilling, there is more pipelines (generally 2~3) easily hair
Raw pipeline winding problem, not only sealing of hole efficiency is low, troublesome in poeration, and less stable；
2. closure medium uses solid dielectric more, after cured, crack performance easily occurs or solid material can not be right
The wall of a borehole surrounding rock body crack of correspondent section is sealed, and uses two-part sealing means more, and sealing effectiveness is poor；
3. traditional gas drainage system is mostly expendable consumed product, it can not typically recycle, improve gas pumping
Cost；
4. pickup area rock cranny agensis, cause picking rate undesirable compared with slow or collection effect, it can be seen that, it is existing
It is problematic to be solved up for further.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides rock body quality of mine drilling transmission increasing gas closure unit and survey
Determine system, it, which has, uses triple closure modes, ensure that borehole sealing effect；Collection cavity surrounding rock body crack is carried out high
Anti-reflection processing is pressed, ensure that the effect of rock mass gas collection.
The invention provides one kind to block unit, including：
Tubular configured joint, its both ends are provided with lug boss, and groove is formed between the lug boss, and the side of the groove, which is provided with, to be led to
Hole；The inside of the tubular configured joint is provided with the passage for being used for accommodating plugging material；
Switch, in through hole, including block and spring, one end of the block pass through spring and the inwall of tubular configured joint
It is connected, the other end of the block is located at the outside of tubular configured joint；
Capsule is blocked, is coated on the outside of tubular configured joint, switch is placed in the cavity that closure capsule is formed with tubular configured joint；
The switch jacks up under pressure makes passage be connected with cavity.
Further, the block is in T-Type structure, and the inner side of the block is provided with block external member, the block external member
It is fixed on the outside of through hole and both sides and is provided with aperture；
In a free state, the block blocks aperture to spring；Spring under compression, upspring by block, described logical
Road is connected by aperture with cavity.
Present invention also offers a kind of plugging system, including：
Tubular configured joint, its one end are provided with depressed part, and the other end is provided with lug boss, formed between the depressed part and lug boss
Groove, the side of the groove are provided with through hole；The inside of the tubular configured joint is provided with the passage for being used for accommodating plugging material；
Switch, in through hole, including block and the first spring, one end of the block passes through spring and tubular configured joint
Inwall is connected, and the other end of the block is located at the outside of tubular configured joint；
Capsule is blocked, is coated on the outside of tubular configured joint, switch is placed in the cavity that closure capsule is formed with tubular configured joint；
The switch jacks up under pressure makes passage be connected with cavity；
Side leakage valve, it is connected with the depressed part, including basal body pipe and the ball inside basal body pipe.
Further, the block is in T-Type structure, and the inner side of the block is provided with block external member, the block external member
It is fixed on the outside of through hole and both sides and is provided with the first aperture；
In a free state, the block blocks the first aperture to first spring；First spring under compression, block
Upspring, the passage is connected by the first aperture with cavity.
Further, the side leakage valve also includes second spring, adjusting nut, and described matrix pipe inner back side is along axis pair
Title is provided with second orifice, and ball, the rear side of the ball and the end thereof contacts of second spring are provided with the second orifice,
The other end of the second spring contacts with adjusting nut.
Present invention also offers a kind of rock body quality of mine drilling transmission increasing firedamp testing system, including collection system and test to visit
Head, the test probe include closure unit and two plugging systems；
It is connected between two plugging systems by collection tube and forms collection cavity with drill hole inner wall, plugging system
Head is connected with conehead；The closure unit, which is connected with the afterbody of plugging system by communicating pipe and formed with drill hole inner wall, to be sealed
Cavity；
The collection system is connected with blocking the afterbody of unit, and gas enters collection system by collection tube and carries out gas ginseng
Number measure.
Further, the collection tube is provided with some 3rd apertures, is oppositely arranged in the 3rd aperture provided with two
One-way sealing strip of paper used for sealing；The opening towards collection inside pipe wall is formed between two one-way sealing strip of paper used for sealings, gas enters through one-way sealing strip of paper used for sealing
In collection tube, one-way sealing strip of paper used for sealing prevents plugging material from directly entering by the 3rd aperture in drilling.
Further, the collection tube is threadedly coupled with plugging system.
Further, the collection system includes collecting tank, electronic pressure gage and gas pressure table, the collecting tank, electricity
Sub- pressure gauge and gas pressure table are sequentially connected by pipeline, and the gas pressure table is connected by pipeline with closure unit.
Further, the pipeline between the collecting tank and electronic pressure gage is provided with unidirectional stop valve, the gas pressure
The pipeline of power table and closure unit is provided with the 3rd switch.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention by closure and extraction via same pipeline, reduce simultaneous closure in conventional borehole and take out
The quantity of pipeline is adopted, the interior conduit coiling that drills is solved the problems, such as, simplifies system architecture and closure process, improves closure effect
Rate；
2nd, the present invention coordinates flexible envelope using I types closure unit, II types closure unit and the triple closure modes of sealing cavity
Stifled medium, borehole sealing effect is not only enhanced, and sealing function is played in the surrounding rock body crack that can be drilled to seal section, can
Further improve effect；
3rd, the present invention blocks unit and an I types closure unit using two II types, using flexible blockage medium to collection
Cavity surrounding rock body crack pressurize anti-reflection, is flowed out by the 3rd aperture on collection tube, adds and treat extraction rock cranny
Permeability, extracting result is improved, accelerate extraction speed；And the 3rd be provided with aperture only opened to collection inside pipe wall it is unidirectional
Sealing strip, the gas in drilling can be made to enter by the opening between one-way sealing strip of paper used for sealing in collection tube, while play swollen I types envelope
Stifled unit, II types closure unit, can prevent flexible blockage medium from directly entering by the 3rd aperture in drilling；
4th, switch is equipped with I types of the invention closure unit and II types closure unit, switchs and kept in spring normality
Close, only when I types, which block, is filled with plugging material in unit and II types closure unit, pressed because plugging material applies to spring
Power makes switch upspring, and plugging material is flow in drilling by corresponding aperture；Increase the sealing and filling effect of equipment；
5th, the present invention uses Demountable, is conveniently replaceable in failure, is laid the foundation for stability measurement；It is easy to back
Receive and utilize, reduce drilling gas extraction cost.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the propulsion feed system structural representation of the present invention；
Fig. 2 is the gas pumping view of the present invention；
Fig. 3 is the test probe structural representation of the present invention；
Fig. 4 is the conehead structural representation of the present invention；
The I types that Fig. 5 is the present invention block cellular construction schematic diagram；
Fig. 6 is the 4th switch structure diagram of the present invention；
Fig. 7 is the collection tube structural representation of the present invention；
The collection tube partial enlarged drawing of Fig. 8 present invention；
Fig. 9 is the communicating tube structure schematic diagram of the present invention；
The II types that Figure 10 is the present invention block cellular construction schematic diagram；
Figure 11 is the side leakage valve arrangement schematic diagram of the present invention；
Figure 12 is the side leakage valve profile of the present invention；
Wherein, 1, coal and rock, 2, drilling, 3, conehead, 4, I types closure unit, 5, II types closure unit, 6, sealing cavity,
7th, cavity is gathered, 8, communicating pipe, 9, collection tube, 10, drilling rod, 11, flexible pipe, 12, rig, 13, supply operating desk, 14, first opens
Close, 15, pressure gauge, 16, flowmeter, 17, second switch, 18, collect operating desk, the 19, the 3rd switch, 20, gas pressure table,
21st, electronic pressure gage, 22, collecting tank, 23, unidirectional stop valve, 24, flexible blockage medium, 25, side leakage valve, 26, II type tubuloses connect
Head, the 27, second closure capsule, 28, block, the 29, first spring, the 30, first aperture, the 31, the 3rd aperture, 32, one-way sealing strip of paper used for sealing,
33rd, basal body pipe, 34, ball, 35, second spring, 36, second orifice, 37, adjusting nut, the 38, the 4th switch, 39, I-tube
Straight coupling, the 40, first closure capsule, the 41, the 5th switch.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, exist in the prior art rock body quality of mine borehole sealing effect is poor, extraction cost is high,
The slower deficiency of picking rate, in order to solve technical problem as above, present applicant proposes rock body quality of mine drilling transmission increasing gas
Block unit and measurement system.
In a kind of typical embodiment of the application, as shown in Fig. 3-Figure 12, there is provided a kind of rock body quality of mine drilling increases
Saturating type gas test probe, including conehead 3, I types closure unit 4 and two plugging systems, the I types closure unit 4 pass through company
Siphunculus 8 is connected with one end of plugging system, between two plugging systems by collection tube 9 be connected, the other end of plugging system with
Conehead 3 is connected.
The plugging system includes II types closure unit 5 and side leakage valve 25；I types block unit 4 by communicating pipe 8 with being located at
The side leakage valve 25 of the II types closure afterbody of unit 5 is connected.The II types closure unit 5 at middle part and the I types closure unit 4 of afterbody and drilling
2 inwalls form sealing cavity 6, block unit 5 with the II types on head and drilling 2 forms collection cavity 7.
As shown in figure 4, the conehead 3 is located at the head of test probe, with II types closure unit 5 to be threadedly coupled, play
Guide effect.
As shown in Figure 7 and Figure 8, for the collection tube 9 between two II types block unit 5, its one end passes through side leakage valve
25 are threaded with the II types on test probe head closure unit 5, the other end and the II types closure unit 5 in the middle part of test probe
Threaded connection；It is several that the 3rd aperture 31 is through with the collection tube 9, two one-way sealing strip of paper used for sealings are installed in the 3rd aperture 31 of institute
32, the tube wall of the one-way sealing strip of paper used for sealing 32 and collection tube 9 is in a certain angle, and the opening formed between two one-way sealing strip of paper used for sealings 32 is only
Opened to the inwall of collection tube 9, the gas in drilling 2 can be made to enter by the opening between one-way sealing strip of paper used for sealing 32 in collection tube 9,
Swollen I types closure unit 4, II types closure unit 5 are being played simultaneously, flexible blockage medium 24 can be prevented directly to enter by the 3rd aperture 31
Enter in drilling 2.
As shown in Figure 5 and Figure 6, I types closure unit 4 is located at the afterbody of test probe, including I-tube straight coupling 39,
First closure capsule 40 and the 4th switch 38, the I-tube straight coupling 39 is in the tubular structure of both ends projection intermediate recess, described
First closure capsule 40 is wrapped and is fixed on the intermediate recessed portions of I-tube straight coupling 39, and the inside of I-tube straight coupling 39, which is provided with, to be led to
Road；4th switch 38 is fixed in the middle part of the outside tube wall of I-tube straight coupling 39, and located at the interior of the first closure capsule 40
Portion.
4th switch 38 includes block 28, the first spring 29 and block external member, and the block 28 is in T-Type structure,
The top both sides of block 28 are provided with riser, the bottom of block 28 through I-tube straight coupling 39 to its inside, the two bottom sides of block 28
Provided with connecting plate, the connecting plate is connected by the first spring 29 with the inwall of I-tube straight coupling 39.
The outside that the block external member is fixed on I-tube straight coupling 39 is engaged with block 28, and the inside of block external member is
Cavity, both sides are provided with the first aperture 30；During normality, block 28 is closed in the presence of the first spring 29, and riser is proper
Ingeniously seal up the first aperture 30；During filling and blocking material, the plugging material of certain pressure jacks up block 28 upwards, I-tube shape
The inside of joint 39 forms path with the first aperture 30, and now plugging material enters the He of I-tube straight coupling 39 through the first aperture 30
In the cavity of first closure capsule 40, the first closure capsule 40 rises swollen.
The plugging material is flexible blockage medium 24, in flow-like.
The II types closure unit 5 is two, and as shown in Figure 10, each II types closure unit 5 includes the second closure capsule
27th, the switch of II types tubular configured joint 26 and the 5th 41, the structure and set-up mode of the 5th switch 41 are identical with the 4th switch 38,
Here is omitted.
One end of the II types tubular configured joint 26 is provided with depressed part, and the other end is provided with lug boss, the depressed part and projection
Groove is formed between portion, the side of the groove is provided with through hole；The inside of the II types tubular configured joint 26, which is provided with, to be used to accommodate envelope
The passage of stifled material.
The depressed part of the afterbody of II types tubular configured joint 26 is threaded with side leakage valve 25.
As is illustrated by figs. 11 and 12, the side leakage valve include the second spring 35, two of basal body pipe 33, two ball 34,
Two second orifices 36 and two adjusting nuts 37 form.Described matrix pipe 33 is cylinder tubular construction, and the inside of its one end is provided with
Stepped passage, for stepped passage with the depressed part of the II types closure afterbody of unit 5 to be threadedly coupled, the depressed part is located at ladder
The inside of shape passage.
The rear side of the stepped passage is provided with the cylindrical channel that internal diameter is less than stepped passage, the cylindrical channel
Both sides be arranged with second orifice 36, second orifice 36 is stepped hole, and its one end connects with stepped passage, the other end with bore
Hole 2 connects；Ball 34 is provided with the step of the second orifice 36, the rear side of the ball 34 is provided with second spring 35
With adjusting nut 37, the pretightning force of second spring 35 is can adjust by rotating adjusting nut 37, to adjust the unlatching of ball 34
Pressure.
Flexible blockage medium 24 can be entered in sealing cavity 6 by side leakage valve 25, not only salable drilling 2, and to boring
Play further sealing function in the surrounding rock body crack of hole 2.Flexible blockage medium 24 can also be entered by side leakage valve 25 and be gathered simultaneously
In cavity 7, acted on along collection cavity 7 surrounding rock body crack using its high pressure and further destroyed, increase fissure permeability, Zhi Hourou
Property closure medium 24 collection tube 9 is entered by the 3rd aperture 31 on collection tube 9 and one-way sealing strip of paper used for sealing 32 and discharged.
In the another embodiment of the application, as Figure 1-Figure 2, there is provided a kind of rock body quality of mine drilling transmission increasing watt
This extraction equipment, including propulsion system, feed system, test probe and measurement system, the structure of test probe and above-mentioned implementation
Mode is identical.
The propulsion system includes drilling rod 10 and rig 12, the afterbody of the connecting test of drilling rod 10 probe, plays spreading
With promoting double action, the rig 12 promotes test probe to drilling specified location by drilling rod 10.
The feed system is provided with supply operating desk 13, and the supply operating desk 13 is provided with first be sequentially connected and opened
14, pressure gauge 15, flowmeter 16, second switch 17 are closed, second switch 17 is connected by flexible pipe 11 with drilling rod 10.
The flexible blockage that the supply operating desk 13 provides certain pressure by flexible pipe 11, drilling rod 10 into test probe is situated between
Matter 24.
The pressure gauge 15 supplies the pressure for the flexible blockage medium 24 that operating desk 13 is provided, the flow to observe
Table 16 is reading the flow that flexible blockage medium 24 passes through.
The measurement system includes collection system and test probe, and the main body of the collection system is collection operating desk 18,
Including collecting tank 22, electronic pressure gage 21 and gas pressure table 20, the collecting tank 22, electronic pressure gage 21 and gas pressure table
20 are sequentially connected by pipeline, and the gas pressure table 20 blocks unit 4 with I types by pipeline and is connected.
Pipeline between the collecting tank 22 and electronic pressure gage 21 is provided with unidirectional stop valve 23, the gas pressure table
20 pipelines that unit 4 is blocked with I types are provided with the 3rd switch 19.
Described to collect operating desk 18 to collect the methane gas in collection cavity 7, the gas pressure table 20 is reading
Gas pressure registration is taken, the electronic pressure gage 21 mutually corrects with gas pressure table 20, ensures the accurate of gas pressure parameter
Property.Unidirectional stop valve 23 ensure methane gas can only one-way flow into collecting tank 22.
The assay method of rock body quality of mine drilling transmission increasing gas pumping equipment, concrete operation step are：
(1) mash gas pumping drilling 2 is beaten：Successively constructed and provided into top plate or bottom plate coal and rock 1 in tunnel with rig 12
The coal seam in extraction region is specified in the drilling 2 of angle to reaching.
(2) test probe is installed：Debris in cleaning drilling 2, it is sequentially connected conehead 3, II types closure unit 5, collection tube
9th, I types closure unit 4, communicating pipe 8 etc., and the I types closure unit 4 of test probe bottom is connected with drilling rod 10, utilize brill
Machine 12 pushes the test probe installed to specified extraction region.
(3) closing drilling 2 is anti-reflection with extraction crack：After probe header to be measured reaches designated area, connected and supplied using flexible pipe 11
To operating desk 13 and drilling rod 10, the flexible blockage medium 24 of offer certain pressure into test probe.
First, open the first switch 14 of supply operating desk 13, flexible blockage medium 24 by communicating pipe 8 and collection tube 9,
Enter via the switch 41 of the corresponding 4th switch the 38, the 5th in I types closure unit 4 and II types closure unit 5, play swollen first closure
Capsule 40, second blocks capsule 27, forms sealing cavity 6 and collection cavity 7 respectively.
Continue the pressure of increase flexible blockage medium 24, side leakage valve 25 is opened, and flexible blockage medium 24 is via second orifice
36 enter in sealing cavity 6, and sealing cavity 6 is filled, and further fill the surrounding rock body crack of sealing cavity 6, now,
I types closure unit 4, II types closure unit 5 and the sealing cavity 6 of test probe bottom form triple borehole sealings, meanwhile, it is flexible
Block medium 24 and collection cavity 7 is entered by side leakage valve 25, pressurization expansion is carried out to the collection Rockmass fractures of cavity 7.
After the registration of flowmeter 16 stabilization on operating desk 13 to be supplied, first switch 14 is closed, second switch 17 is opened, makes
Gather flexible blockage medium 24 in cavity 7 and first enter collection tube 9 via the 3rd aperture 31 on collection tube 9, flowed by communicating pipe 8
Go out, make to keep clear inside pipeline.
(4) pressure test：After closing drilling 2, do pressure test and sealing of hole effect is tested, if sealing of hole does not conform to
Lattice, then need sealing of hole again.
(5) Gas explosion burns are determined：After pressure test, Gas explosion burns measure is carried out, i.e. operating desk 18 is collected in connection, is beaten
The 3rd switch 19 is driven, methane gas is entered in collection tube 9 by the 3rd aperture 31 of collection tube 9, is entered through the grade of communicating pipe 8 and is collected
Operating desk 18, after gas pressure table 20 is stable, the registration of gas pressure table 20 is read, and compared with the reading of electronic pressure gage 21
Compared with, in the case where the two numerical value is roughly the same, take the average value of the two numerical value, as show collection cavity 7 in gas pressure
Numerical value, finally by collect in collecting tank 22 methane gas carry out analysis.
The part do not addressed in the present invention uses or used for reference prior art and can be achieved.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. one kind closure unit, it is characterised in that including：
Tubular configured joint, its both ends are provided with lug boss, and groove is formed between the lug boss, and the side of the groove is provided with through hole；
The inside of the tubular configured joint is provided with the passage for being used for accommodating plugging material；
Switch, in through hole, including block and spring, inwall phase that one end of the block passes through spring and tubular configured joint
Even, the other end of the block is located at the outside of tubular configured joint；
Capsule is blocked, is coated on the outside of tubular configured joint, switch is placed in the cavity that closure capsule is formed with tubular configured joint；It is described
Switch jacks up under pressure makes passage be connected with cavity.
2. a kind of closure unit according to claim 1, it is characterised in that the block is in T-Type structure, the lid
The inner side of cap is provided with block external member, and the block external member is fixed on the outside of through hole and both sides and is provided with aperture；
In a free state, the block blocks aperture to spring；Spring under compression, upspring by block, and the passage leads to
Small holes connect with cavity.
A kind of 3. plugging system, it is characterised in that including：
Tubular configured joint, its one end are provided with depressed part, and the other end is provided with lug boss, formed between the depressed part and lug boss recessed
Groove, the side of the groove are provided with through hole；The inside of the tubular configured joint is provided with the passage for being used for accommodating plugging material；
Switch, in through hole, including block and the first spring, one end of the block pass through spring and the inwall of tubular configured joint
It is connected, the other end of the block is located at the outside of tubular configured joint；
Capsule is blocked, is coated on the outside of tubular configured joint, switch is placed in the cavity that closure capsule is formed with tubular configured joint；It is described
Switch jacks up under pressure makes passage be connected with cavity；
Side leakage valve, it is connected with the depressed part, including basal body pipe and the ball inside basal body pipe.
4. a kind of plugging system according to claim 3, it is characterised in that the block is in T-Type structure, the lid
The inner side of cap is provided with block external member, and the block external member is fixed on the outside of through hole and both sides and is provided with the first aperture；
In a free state, the block blocks the first aperture to first spring；First spring under compression, block bullet
Rise, the passage is connected by the first aperture with cavity.
5. a kind of plugging system according to claim 3, it is characterised in that the side leakage valve also includes second spring, adjusted
Nut is saved, described matrix pipe inner back side is provided with second orifice along axisymmetrical, ball is provided with the second orifice, described
The rear side of ball and the end thereof contacts of second spring, the other end of the second spring contact with adjusting nut.
The transmission increasing firedamp testing system 6. a kind of rock body quality of mine drills, it is characterised in that including collection system and test probe, institute
State test probe include according to any described closure unit of claim 1 or 2 and two according to claim 3-5 it is any described in
Plugging system；
It is connected between two plugging systems by collection tube and forms collection cavity, the head of plugging system with drill hole inner wall
It is connected with conehead；The closure unit is connected with the afterbody of plugging system by communicating pipe and forms sealing sky with drill hole inner wall
Chamber；
The collection system is connected with blocking the afterbody of unit, and gas enters collection system by collection tube and carries out Gas explosion burns survey
It is fixed.
7. a kind of rock body quality of mine drilling transmission increasing firedamp testing system according to claim 6, it is characterised in that described to adopt
Collector is provided with some 3rd apertures, and two one-way sealing strip of paper used for sealings being oppositely arranged are provided with the 3rd aperture；Two one-way sealings
The opening towards collection inside pipe wall is formed between strip of paper used for sealing, gas enters in collection tube through one-way sealing strip of paper used for sealing, and one-way sealing strip of paper used for sealing prevents
Plugging material is directly entered in drilling by the 3rd aperture.
8. a kind of rock body quality of mine drilling transmission increasing firedamp testing system according to claim 6, it is characterised in that described to adopt
Collector is threadedly coupled with plugging system.
A kind of 9. rock body quality of mine drilling transmission increasing firedamp testing system according to claim 6, it is characterised in that the receipts
Collecting system includes collecting tank, electronic pressure gage and gas pressure table, and the collecting tank, electronic pressure gage and gas pressure table pass through
Pipeline is sequentially connected, and the gas pressure table is connected by pipeline with closure unit.
10. a kind of rock body quality of mine drilling transmission increasing firedamp testing system according to claim 6, it is characterised in that described
Pipeline between collecting tank and electronic pressure gage is provided with unidirectional stop valve, the gas pressure table with the pipeline of closure unit
Provided with the 3rd switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710953973.0A CN107859500B (en) | 2017-10-13 | 2017-10-13 | Mine rock drilling anti-reflection type gas plugging unit and measuring system |
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| CN201710953973.0A CN107859500B (en) | 2017-10-13 | 2017-10-13 | Mine rock drilling anti-reflection type gas plugging unit and measuring system |
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| CN107859500B CN107859500B (en) | 2023-06-09 |
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| CN107859500B (en) | 2023-06-09 |
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