CN103913196A - Gas flow measuring device - Google Patents
Gas flow measuring device Download PDFInfo
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- CN103913196A CN103913196A CN201410150727.8A CN201410150727A CN103913196A CN 103913196 A CN103913196 A CN 103913196A CN 201410150727 A CN201410150727 A CN 201410150727A CN 103913196 A CN103913196 A CN 103913196A
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- gas flow
- gas
- concentration measurement
- methane concentration
- wireway
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Abstract
The invention provides a gas flow measuring device which comprises a ball type quick connector, a gas guide tube and a gas flow instrument. A port of the gas guide tube is hermetically connected with a port, which is far away from a ball, of the ball type quick connector; another port of the gas guide tube is hermetically connected with the gas flow instrument. The gas flow measuring device has the advantages that live working can be omitted, the problem of measured data distortion due to the fact that a plurality of instruments are used together can be effectively solved, the coal seam gas emission quantity measurement speed can be increased, and the coal seam gas emission quantity measurement accuracy can be improved.
Description
Technical field
The present invention relates to a kind of gas flow determinator, belong to mine safety field of engineering technology.
Background technology
Along with the raising day by day of the constantly soaring and modernization process for stoping of coal resources demand, thereby cause coal digging speed constantly to accelerate to have caused gas emission increase.In order to prevent the Abnormal Methane Emission of gas in mining process, taking in advance gas govenance is one of precondition of safe digging, and outburst amount quick, Accurate Determining coal-bed gas provides foundation for formulating gas govenance.
At present, mainly adopt outburst danger forecast instrument to measure the outburst amount of gas in coal seam, this type instrument not only needs school inspection, hot line job in mensuration process, and needs many parallel uses.After well behaved this type instrument charging, can use continuously 8 hours, after this type instrument charging of poor-performing, lower than 8 hours, moreover, also there is the problem of measurement data distortion in service time continuously in the parallel use procedure of many instruments.Therefore, how to develop a kind of can be fast, the device of Accurate Determining coal-bed gas outburst amount is the target that those skilled in the art pursue always.
Summary of the invention
The object of the present invention is to provide a kind of gas flow determinator, this device, without hot line job, has effectively avoided many instruments to use the problem that causes measurement data distortion, has improved speed and the accuracy of measuring gas emission in coal seam.
The invention provides a kind of gas flow determinator, comprise ball-type rapid-acting coupling, wireway and gas flow instrument;
One port of described wireway and port airtight be connected of described ball-type rapid-acting coupling away from ball;
The another port of described wireway and described airtight connection of gas flow instrument.
In the specific embodiment of the present invention, described gas flow determinator also comprises methane Concentration Measurement mouth and can measure the gas machine of gas density, for example optics gas machine, wherein, described methane Concentration Measurement mouth is located at outward on the tube wall of described wireway, and with described wireway conducting; Described gas machine and described airtight connection of methane Concentration Measurement mouth.Utilize this gas flow determinator can also detect the gas density in coal seam in measuring coal-bed gas outburst amount.Particularly, described methane Concentration Measurement mouth can arrange and be processed into and can match with the detection architecture of described gas machine, need to obtain gas density data time, described gas machine is connected to wireway by described methane Concentration Measurement mouth.Methane Concentration Measurement mouth also can be by rubber tube with being connected of gas machine, have more versatility,, one methane Concentration Measurement mouth is set on the outer wall of described wireway, sheathed hose on this methane Concentration Measurement mouth, makes this methane Concentration Measurement mouth close and be connected with optics gas secret by hose.
In the specific embodiment of the present invention, described methane Concentration Measurement mouth is vertebra body, and described methane Concentration Measurement mouth bore self-conductance tracheal wall is to being gradually-reducing shape with described gas machine link.In the present invention, described methane Concentration Measurement mouth is designed to vertebra physique structure, is the outburst amount in order to control gas in wireway, avoids the gas in wireway to pour out.
In the specific embodiment of the present invention, described methane Concentration Measurement mouth is connected by rubber tube with described gas machine, and the outer wall of described methane Concentration Measurement mouth has the hermetically-sealed construction that can realize between itself and rubber tube.If this design is mainly to consider that the excessive impact of gas emission may make methane Concentration Measurement mouth separate with gas machine, cause device in Gas to reveal, hermetically-sealed construction by methane Concentration Measurement mouth outer wall increases the resistance that rubber tube comes off, and increases the fastness that gas machine is connected with methane Concentration Measurement mouth.
In the specific embodiment of the present invention, the hermetically-sealed construction of described methane Concentration Measurement mouth outer wall can be multiple bulge-structures or helicitic texture, not only more firm after rubber tube is sheathed, is also beneficial to the sealing between rubber tube and methane Concentration Measurement mouth.
In the specific embodiment of the present invention, described wireway is zinc-plated irony wireway.In actual production, selected wireway can be the body that caliber is identical, also can be reducing body,, the situation of the match condition between the gas exhaust pipe arranging according to coal seam and the gas flow instrument access port using or mensuration environment, adopts the different wireway of two ends bore, for example, four points of changes six are in charge of, or the body of other specification.For the benefit of fast, the outburst amount of Accurate Determining coal-bed gas, the total length of wireway design is generally no more than 0.5m.No matter be the wireway of single bore, or reducing wireway, preferably one-body molded, be beneficial to the sealing of assurance system.Can be purchased the wireway of choice criteria specification.
In the specific embodiment of the present invention, in order to facilitate wireway to be connected with gas flow instrument, and the applicable situation that detects place, can be according to actual needs, between described wireway and gas flow instrument, set up elbow and change the air guide direction of wireway, use elbow also can regulate mating between wireway and the air intake opening of gas flow instrument, guarantee better the sealing of whole detection system.
The present invention has following beneficial effect than prior art:
1, gas flow determinator provided by the invention is without hot line job, and effectively avoided many instruments to use the problem that causes measurement data distortion, effectively improved speed and the accuracy of measuring gas emission in coal seam.
2, the conduit plug and play in ball-type rapid-acting coupling and the coal seam using in gas flow determinator provided by the invention, guarantee to connect reliable, without gas leak phenomenon in, in the time that Test Field need to dock multiple coal seams exhausr port, can very conveniently between the exhausr port of multiple coal seams, switch safely.
3, gas flow determinator provided by the invention is by arranging the methane Concentration Measurement mouth that can be connected with gas machine on the wireway connecting between gas flow instrument and coal seam exhausr port, not only realize the mensuration to gas flow in coal seam, can also directly measure gas density.
4, gas flow determinator provided by the invention can directly be read the outburst amount of gas in the unit interval from gas flow instrument.
Accompanying drawing explanation
Fig. 1 is the structural representation of gas flow determinator of the present invention.
Reference numeral:
The rapid-acting coupling of 1-ball-type; 2-methane Concentration Measurement mouth; Tetra-points of changes six of 3-are in charge of; Six points of elbows of 4-; 5-gas flow instrument.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and Examples of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of gas flow determinator, as shown in Figure 1, described gas flow determinator comprises the present embodiment scheme: ball-type rapid-acting coupling 1, methane Concentration Measurement mouth 2, four points become six be in charge of 3, six points of elbows 4 and gas flow instrument 5;
Described four points become six and are in charge of in 3 four points of pipe ports and port airtight be connected of described ball-type rapid-acting coupling 1 away from ball; Described four points became for six airtight connections of a port of being in charge of in 3 six points of pipe ports and described six points of elbows 4; The another port of described six points of elbows 4 and described airtight connection of gas flow instrument 5.
Described methane Concentration Measurement mouth 2 is outer to be located on described four points of change six four points of tube walls being in charge of in 3, and is in charge of 3 conductings with described four points of changes six; Described optics gas machine (not shown, lower same) and described airtight connection of methane Concentration Measurement mouth 2.Described methane Concentration Measurement mouth 2 can, by rubber tube, have more versatility with being connected also of optics gas machine, i.e. sheathed hose on this methane Concentration Measurement mouth 2, makes this methane Concentration Measurement mouth 2 close and be connected with optics gas secret by hose.
In embodiment, described methane Concentration Measurement mouth 2 is specifically as follows cone-shaped body, described methane Concentration Measurement mouth 2 bores become six from four points and are in charge of 3 tube walls to being gradually-reducing shape with described optics gas machine link, and opening end becomes six and is in charge of in 3 four tube walls of being in charge of by airtight connection of mode of welding with described four points.In the present invention, described methane Concentration Measurement mouth 2 is designed to vertebra physique structure, is the outburst amount in order to control gas in wireway, avoids the gas in wireway to pour out.Particularly, the hermetically-sealed construction of described methane Concentration Measurement mouth 2 outer walls can be multiple bulge-structures or helicitic texture, not only more firm after rubber tube is sheathed, is also beneficial to the sealing between rubber tube and methane Concentration Measurement mouth 2.Moreover, described hermetically-sealed construction can be multiple bulge-structures or helicitic texture, if mainly consider, the excessive impact of gas emission may make methane Concentration Measurement mouth 2 separate with optics gas machine, cause device in Gas to reveal, hermetically-sealed construction by methane Concentration Measurement mouth 2 outer walls increases the resistance that rubber tube comes off, and increases the fastness that optics gas machine is connected with methane Concentration Measurement mouth 2.
In the specific embodiment of the present invention, the wireway using is zinc-plated irony wireway.In actual production, selected wireway can be the body that caliber is identical, can be also reducing body, and for example, in the present embodiment, four points of changes six are in charge of 3 as shown in Figure 1.For the benefit of fast, the outburst amount of Accurate Determining coal-bed gas, the total length of wireway design is generally no more than 0.5m.
In embodiment, in order to facilitate wireway to be connected with gas flow instrument 5, can be according to actual needs, between described wireway and gas flow instrument 5, set up elbow, example is six points of elbows 4 as shown in Figure 1, and the bore of its elbow can convert according to the bore of the air intake opening of the bore of selected wireway and gas flow instrument 5.Can certainly omit elbow, wireway is directly carried out to airtight connection with gas flow instrument 5.
The course of work of gas flow determinator of the present invention:
As shown in Figure 1, the gas exhaust pipe (not shown) arranging in coal seam is inserted to the port that approaches ball of ball-type rapid-acting coupling 1; Ball-type rapid-acting coupling 1 is in charge of to four points of airtight connections of pipe port of 3 away from the port of ball with four points of changes six, became for six airtight connections of a port of being in charge of in 3 six points of pipe ports and six points of elbows 4 by four points, the another port of six points of elbows 4 is connected with gas flow instrument 5 is airtight; Wherein, described methane Concentration Measurement mouth 2 is outer to be located at described four points and to become six and be in charge of on four points of tube walls of 3, and with four points become six and be in charge of 3 conductings; Meanwhile, can also on methane Concentration Measurement mouth 2, connect hose, again by this hose and optics gas machine airtight connection of (not shown),, in the time that the gas in coal seam enters this device, can on gas flow instrument 5 and optics gas machine, read respectively the gas density in gas emission and the coal seam in the unit interval.
Gas flow determinator provided by the invention, can be more directly perceived, Quick Measuring obtains gas emission and gas density in coal seam, make staffs in coal mine can further understand the gas situation in coal seam, this gas flow determinator has advantages of fast, accurately, directly, is not subject to the aspects such as electric weight restriction, has good result of use and application value widely.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a gas flow determinator, is characterized in that, comprises ball-type rapid-acting coupling, wireway and gas flow instrument;
One port of described wireway and port airtight be connected of described ball-type rapid-acting coupling away from ball;
The another port of described wireway and described airtight connection of gas flow instrument.
2. gas flow determinator according to claim 1, is characterized in that, also comprises methane Concentration Measurement mouth and the gas machine that can detect gas density, wherein,
Described methane Concentration Measurement mouth is located at outward on the tube wall of described wireway, and with described wireway conducting; Described gas machine and described airtight connection of methane Concentration Measurement mouth.
3. gas flow determinator according to claim 2, is characterized in that, described methane Concentration Measurement mouth is vertebra body, and described methane Concentration Measurement mouth bore self-conductance tracheal wall is to being gradually-reducing shape with described gas machine link.
4. gas flow determinator according to claim 3, is characterized in that, described methane Concentration Measurement mouth is connected by rubber tube with described gas machine, and the outer wall of described methane Concentration Measurement mouth has the hermetically-sealed construction that can realize between itself and rubber tube.
5. gas flow determinator according to claim 4, is characterized in that, the hermetically-sealed construction of described methane Concentration Measurement mouth outer wall comprises multiple bulge-structures or helicitic texture.
6. according to the gas flow determinator described in any one in claim 1-5, it is characterized in that, described wireway is zinc-plated irony wireway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150727.8A CN103913196A (en) | 2014-04-15 | 2014-04-15 | Gas flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410150727.8A CN103913196A (en) | 2014-04-15 | 2014-04-15 | Gas flow measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN103913196A true CN103913196A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410150727.8A Pending CN103913196A (en) | 2014-04-15 | 2014-04-15 | Gas flow measuring device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622093U (en) * | 2010-03-10 | 2010-11-03 | 光阳产业股份有限公司 | Gas meter connector |
| CN201810350U (en) * | 2010-10-21 | 2011-04-27 | 三正集团股份有限公司 | Coal mine single-hole gas measuring device |
| CN203772322U (en) * | 2014-04-15 | 2014-08-13 | 淮南矿业(集团)有限责任公司 | Gas flow measuring device |
-
2014
- 2014-04-15 CN CN201410150727.8A patent/CN103913196A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201622093U (en) * | 2010-03-10 | 2010-11-03 | 光阳产业股份有限公司 | Gas meter connector |
| CN201810350U (en) * | 2010-10-21 | 2011-04-27 | 三正集团股份有限公司 | Coal mine single-hole gas measuring device |
| CN203772322U (en) * | 2014-04-15 | 2014-08-13 | 淮南矿业(集团)有限责任公司 | Gas flow measuring device |
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Application publication date: 20140709 |