CN205091004U - Coal petrography goes upward drilling gas parameter's survey system - Google Patents
Coal petrography goes upward drilling gas parameter's survey system Download PDFInfo
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- CN205091004U CN205091004U CN201520895354.7U CN201520895354U CN205091004U CN 205091004 U CN205091004 U CN 205091004U CN 201520895354 U CN201520895354 U CN 201520895354U CN 205091004 U CN205091004 U CN 205091004U
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- drilling
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- coal petrography
- boring
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Abstract
The utility model discloses a coal petrography goes upward drilling gas parameter's survey system, it receives the device including visiting, plugging device and survey device, it installs in drilling to visit the receipts device, plugging device is used for sealing drilling, it includes first body to visit the receipts device, second body and third body, the third body stretches into the drilling bottom, first body lies in the outside of drilling, first body and second body, be detachable the connection between second body and the third body, the afterbody upper surface interval of third body is even is provided with a plurality of tubulation holes, the cylinder hoop has been put to the cover between the tube hole of adjacent column number. The utility model discloses the survey system has mainly solved the middle and upper capable drilling of soft coal petrography and has easily subsided, influences gas parameter's measurement scheduling problem, in addition, because this survey system has adopted electron device, can carry out periodic record, storage and transmission to gas pressure data automatically, reduce artifical data record's number of times.
Description
Technical field
The utility model belongs to the determination techniques field of the up drilling gas parameter of mine coal petrography, is specifically related to the Analytical system of the up drilling gas parameter of a kind of coal petrography.
Background technology
Gas pressure and gas bearing capacity are the important parameters of mark coal-bed gas occurrence status.When studying mine coal and gas prominent, Gas, gas drainage, it is a critical underlying parameter, is therefore the rule that the tax of research coal-bed gas is deposited and gushed out, is necessary the mensuration of carrying out coal-bed gas pressure and gas bearing capacity.According to the regulation of coal industry standard MT/T638-1996 " Direct Determination of coal mine underground coal bed gas pressure ", pressure measurement drill site should be selected in the tunnel of adjacent coal seam, generally should select in complete hard coal petrography, stamp row boring, if punching is measured in soft coal petrography, easily occur drill hole caves, pressure buries gas surveying hole, cannot mash gas extraction, cause Gas explosion burns to be measured inaccurate, affect the mensuration effect of Gas explosion burns.
But, when stratigraphic structure complex shape or roadway layout at weak stratum, be necessary to adopt in soft coal petrography, stamp the extraction measurement that Gas explosion burns is carried out in row boring, and gas surveying problem in the soft coal petrography that traditional gas surveying device can not effectively solve.
Utility model content
The purpose of this utility model is the Analytical system providing the up drilling gas parameter of a kind of coal petrography, and this system mainly solves up boring in soft coal petrography and easily subsides, and affects the problems such as the measurement of Gas explosion burns; In addition, because this Analytical system have employed electronic installation, can automatically gas pressure data periodically be recorded, store and be transmitted, decrease the number of times of artificial data record.
Its technical solution comprises:
An Analytical system for the up drilling gas parameter of coal petrography, it comprises visits receiving apparatus, plugging device and determinator, and described spy receiving apparatus is arranged in described boring, and described plugging device is used for closing described boring,
Described spy receiving apparatus comprises the first body, the second body and the 3rd body, described 3rd body stretches into described foot of hole, described first body is positioned at the outermost of described boring, described first body is with the second body, be detachable connection between the second body with the 3rd body, the afterbody upper surface interval of described 3rd body is provided with some tubulation holes uniformly, is equipped with cylinder iron hoop between the pore of adjacent columns;
Described plugging device comprises shutoff capsule, capsule connecting pipe and operating capsule platform, described shutoff capsule has several, each shutoff capsule is spaced and is nested with at the front portion of described 3rd body and middle part, shutoff room is formed between adjacent shutoff capsule and boring, described shutoff room is connected with plugging operations platform by high-pressure rubber pipe, and described plugging operations platform is used for providing liquid for plugging to described shutoff indoor;
The front portion of described first body connects described determinator, and described determinator is for measuring the Gas explosion burns in boring.
As a preferred version of the present utility model, described determinator comprises the gas pressure table, electron pressure measuring instrument and the gas collection analysis tank that connect successively, and described gas pressure table is connected with the front portion of the first body.
As another preferred version of the present utility model, the afterbody upper surface interval of described 3rd body is provided with 3 ~ 6 tubulation holes uniformly, and the pore often arranged is provided with 3.
Preferably, the two ends of described second body are provided with screw thread, and described first body is connected by threaded engagement with the 3rd body with the second body, the second body.
At above-mentioned first body and the second body, the junction of the second body and the 3rd body is undertaken sealing by built-in rubber washer and shutoff capsule is provided with two, is nested with respectively at the front portion of the 3rd body and middle part.
The Advantageous Effects that the utility model brings:
The utility model coal petrography up drilling gas parametric measurement system, compared with prior art, on the one hand, visit receiving apparatus to be made up of dismountable first body, the second body and the 3rd body, three sections of bodys can realize quick-detachment and be connected, and be threaded connection easy for installation, can select according to drilling depth the length visiting receiving apparatus; On the other hand, some tubulation holes are provided with uniformly in interval along its length at the afterbody upper surface of the 3rd body, cylinder iron hoop is equipped with between the pore of adjacent columns, 3rd body is installed in the borehole, the effect of cylinder iron hoop can suppress drill hole caves, can ensure that gas flows in pore smoothly, guarantee gas pumping effect.
Plugging device is used for closing boring, and shutoff yolk coal lithofraction gap, prevents gas dissipation from crack, affect the mensuration of Gas explosion burns.
The utility model is under the combination visiting receiving apparatus and plugging device, and then select determinator to carry out Gas explosion burns mensuration, can overcome the up boring of traditional soft coal petrography preferably easily subsides on the impact of Gas explosion burns mensuration, be particularly useful for the mensuration to Gas explosion burns in the up boring of soft coal petrography, ensure that the Accurate Measurement of soft coal petrography gas pumping and Gas explosion burns thereof.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the utility model coal petrography up drilling gas parametric measurement system;
Fig. 2 is drilling construction figure in coal petrography up drilling gas parametric measurement system;
Fig. 3 visits receiving apparatus structural representation in coal petrography up drilling gas parametric measurement system;
Fig. 4 is plugging device part-structure schematic diagram in coal petrography up drilling gas parametric measurement system;
In figure, 1, boring, the 2, the 3rd body, 3, shutoff capsule, 4, the second body, 5, shutoff room, 6, liquid for plugging, 7, capsule connecting pipe, 8, high-pressure rubber pipe, 9, operating capsule platform, 10, plugging operations platform, 11, switch, 12, gas pressure table, 13, electron pressure measuring instrument, 14, gas collection analysis tank, 15, cylinder iron hoop, 16, pore, 17, built-in rubber washer, the 18, first body, 19, rig, 20, concrete shutoff material, 21, coal seam.
Embodiment
Below in conjunction with specific embodiment, explanation clear, complete is further done to the utility model.
The utility model coal petrography up drilling gas parametric measurement system, shown in composition graphs 1 and Fig. 2, mainly comprises and visits receiving apparatus, plugging device and determinator.
Visit receiving apparatus, comprise the first body 18 connected successively, second body 4 and the 3rd body 2, wherein, 3rd body 2 stretches into bottom boring 1, first body 18 is positioned at the outermost of boring 1, first body 18 can be drilling rod of the prior art etc., the two ends of the second body 4 are provided with screw thread, its two ends respectively with the first body, structure in 3rd body matches, quick distachable can be realized connect, shown in composition graphs 3 and Fig. 4, tightr in order to connect, can preferably at the first body 18 and the second body 4, the junction of the second body 4 and the 3rd body 2 is sealed by built-in rubber washer 17, first body of detachable connection, second body and the 3rd body can meet the demand for different depth boring in practical measurement process, when as darker in boring, can select to change the second longer body, can increase and decrease as one sees fit.
Some tubulation holes 16 are provided with uniformly in interval along its length at the afterbody of above-mentioned 3rd body, the utility model is preferably provided with 4 row, the pore 16 of this quantity can meet the utility model and measure requirement, cylinder iron hoop 15 is equipped with between the pore of adjacent columns, cylinder iron hoop is that solid construction can prevent drill hole caves, every tubulation hole is preferably 3, and the pore of adjacent column separates by cylinder iron hoop, and can not stop pore.
Plugging device, comprise shutoff capsule 3, capsule connecting pipe 7, operating capsule platform 9, plugging operations platform 10 and high-pressure rubber pipe 8, shutoff capsule can be provided with multiple according to actual conditions, or arrange according to the degree of depth of the 3rd body and boring, the preferred shutoff capsule of the utility model has two, two shutoff capsules are nested with at the front portion of the 3rd body and middle part in interval successively, two shutoff capsules are connected with operating capsule platform 10 by capsule connecting pipe 7, in shutoff capsule, liquid for plugging 6 is injected by operating capsule platform 10, shutoff room 5 is formed between two shutoff capsules 3 filling liquid for plugging and boring, shutoff room 5 is connected with plugging operations platform 10 by high-pressure rubber pipe 8, in shutoff room 5, liquid for plugging 6 is provided by plugging operations platform 10.
The structure of above-mentioned operating capsule platform 9 and plugging operations platform 10 for providing liquid for plugging can adopt structure of the prior art, no longer does superfluous in detail stating herein.
Determinator, comprise switch 11, gas pressure table 12, electron pressure measuring instrument 13 and gas collection analysis tank 14, wherein, gas pressure table 12 is connected with the first body, and switch 11 is for the open and close of control gas stream, and gas pressure table 12 is mechanical compression table, for detecting gas pressure, electron pressure measuring instrument 13 can connect computing machine and obtain the real-time gas pressure data monitored, and forms electronic data, and mutually monitors correction with gas pressure table 12.
Operating capsule platform 9 should be greater than the pressure of liquid for plugging 6 in gas pressure and shutoff room 5 to the pressure that shutoff capsule 3 inputs liquid for plugging 6.
The concrete assay method of said determination system, specifically comprises the following steps:
(1) drilling: stamp row boring to coal seam 21 with conventional coal mine drilling machine 19 in coal petrography tunnel, hole depth reaches coal seam;
(2) gas is installed and visits receiving apparatus: the foreign material in cleaning boring 1, in boring 1, the 3rd body 2 is installed, the 3rd body 2 is connected by screw thread fast with the second body 4, and utilizes rig 19 and the first body 18 to be sent to boring 1 deep;
(3) boring is closed: be first connected with plugging operations platform 10 by high-pressure rubber pipe 8 by shutoff capsule 3, in shutoff capsule 3, liquid for plugging is injected by plugging operations platform 10, expand when the liquid for plugging in shutoff capsule 3 reaches a certain amount of, shutoff room is formed with boring, then shutoff room is connected with plugging operations platform by high-pressure rubber pipe, and provide liquid for plugging by plugging operations platform to shutoff indoor, wherein, control the pressure of liquid for plugging in a little higher than methane gas pressure of liquid for plugging pressure in shutoff capsule and shutoff room, concrete shutoff material 20 is finally utilized remainder to be carried out sealing process,
(4) withstand voltage test: after sealing of hole, does withstand voltage test and tests to sealing of hole effect, if sealing of hole is defective, then needs sealing of hole again;
(5) Gas explosion burns is measured: after withstand voltage test, carry out Gas explosion burns mensuration, namely switch is opened, after tensimeter 12 is stable, read tensimeter 12 registration, the numerical value of gas pressure in tensimeter 12 reading display sealing of hole, gas pressure numerical value periodically records, stores, transmits by electron pressure measuring instrument 13, finally gas is collected in gas collection analysis tank 14, carries out analysis.
The above-mentioned part do not addressed adopts or uses for reference prior art and can realize.
Above-described embodiment is only to an explanation of the present utility model; and and non-limiting; shutoff capsule and drillable length that each body is surveyed all can change according to on-site actual situations; those skilled in the art are under enlightenment of the present utility model, and other body of the detachable connection drawn also should within protection domain of the present utility model.
Claims (4)
1. an Analytical system for the up drilling gas parameter of coal petrography, it comprises visits receiving apparatus, plugging device and determinator, and described spy receiving apparatus is arranged in described boring, and described plugging device is used for closing described boring, it is characterized in that:
Described spy receiving apparatus comprises the first body, the second body and the 3rd body, described 3rd body stretches into described foot of hole, described first body is positioned at the outermost of described boring, described first body is with the second body, be detachable connection between the second body with the 3rd body, the afterbody upper surface interval of described 3rd body is provided with some tubulation holes uniformly, is equipped with cylinder iron hoop between the pore of adjacent columns;
Described plugging device comprises shutoff capsule, capsule connecting pipe and operating capsule platform, described shutoff capsule has several, each shutoff capsule is spaced and is nested with at the front portion of described 3rd body and middle part, shutoff room is formed between adjacent shutoff capsule and boring, described shutoff room is connected with plugging operations platform by high-pressure rubber pipe, and described plugging operations platform is used for providing liquid for plugging to described shutoff indoor;
The front portion of described first body connects described determinator, and described determinator is for measuring the Gas explosion burns in boring.
2. the Analytical system of the up drilling gas parameter of coal petrography according to claim 1, it is characterized in that: described determinator comprises the gas pressure table, electron pressure measuring instrument and the gas collection analysis tank that connect successively, and described gas pressure table is connected with the front portion of the first body.
3. the Analytical system of the up drilling gas parameter of coal petrography according to claim 1, is characterized in that: the afterbody upper surface interval of described 3rd body is provided with 3 ~ 6 tubulation holes uniformly, and the pore often arranged is provided with 3.
4. the Analytical system of the up drilling gas parameter of coal petrography according to claim 1, is characterized in that: the two ends of described second body are provided with screw thread, described first body is connected by threaded engagement with the 3rd body with the second body, the second body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895354.7U CN205091004U (en) | 2015-11-11 | 2015-11-11 | Coal petrography goes upward drilling gas parameter's survey system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520895354.7U CN205091004U (en) | 2015-11-11 | 2015-11-11 | Coal petrography goes upward drilling gas parameter's survey system |
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| CN205091004U true CN205091004U (en) | 2016-03-16 |
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| CN201520895354.7U Expired - Fee Related CN205091004U (en) | 2015-11-11 | 2015-11-11 | Coal petrography goes upward drilling gas parameter's survey system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333905A (en) * | 2015-11-11 | 2016-02-17 | 山东科技大学 | Coal rock upward borehole gas parameter measurement system |
| CN109296361A (en) * | 2018-10-25 | 2019-02-01 | 平顶山天安煤业股份有限公司 | A kind of Seam Mining crack field gas pressure measurement system |
-
2015
- 2015-11-11 CN CN201520895354.7U patent/CN205091004U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333905A (en) * | 2015-11-11 | 2016-02-17 | 山东科技大学 | Coal rock upward borehole gas parameter measurement system |
| CN109296361A (en) * | 2018-10-25 | 2019-02-01 | 平顶山天安煤业股份有限公司 | A kind of Seam Mining crack field gas pressure measurement system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |