CN201896613U - Gas pressure measuring device - Google Patents
Gas pressure measuring device Download PDFInfo
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- CN201896613U CN201896613U CN2010206528988U CN201020652898U CN201896613U CN 201896613 U CN201896613 U CN 201896613U CN 2010206528988 U CN2010206528988 U CN 2010206528988U CN 201020652898 U CN201020652898 U CN 201020652898U CN 201896613 U CN201896613 U CN 201896613U
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- gas
- steel body
- pressure measurement
- cylinder
- measurement mechanism
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Abstract
The utility model discloses a gas pressure measuring device, which comprises a steel tank, a gas-vapor separation device and a pressure measuring device. The steel tank receives mixture of gas and water vapor in a measurement environment through a gas inlet and stores the mixture; the gas-vapor separation device is connected with a gas outlet on the upper part of the steel tank and is used for separating the gas and the vapor in the mixture output by the steel tank; and the pressure measuring device is used for measuring the pressure of the gas output by the gas-vapor so as to obtain the gas pressure after gas-vapor separation. Since the pressure can be generated in the steel tank after the gas-vapor mixture passes through the steel tank and the gas-vapor separation device and the pressure value can be displayed in the pressure measuring device, the actual value of the gas pressure of a coal seam can be measured.
Description
Technical field
The utility model relates to measuring technique of gas pressure in coal seam, specially refers to a kind of gas pressure measurement mechanism.
Background technology
The size of coal-bed gas pressure is an important indicator of assessment coal seam outburst hazard and coal seam gas-bearing capacity size, can take corresponding outburst prevention measures and gas pumping mode according to this index.Therefore, the size that accurately measures the gas pressure of coal seam reality just seems particularly important.
The method of existing measurement coal-bed gas pressure size mainly is that a pressure meter directly is installed outside the boring of sealing the hole, needs the people during reading and removes to read manometric numerical value to the scene.The method of this measurement gas pressure need expend a manpower and arrive the collection in worksite data specially, can not directly read the size of pressure from the ground monitoring chamber, simultaneously, the measured pressure size of this method is inaccurate, if in the boring water is arranged, what record will be the blend pressure of gas G﹠W.If obtain gas pressure accurately, generally also to remove the pressure of water generates.
In sum, coal-bed gas pressure measuring method of the prior art can't accurately record the actual pressure of coal-bed gas, and simultaneously, the method for image data is also relatively backward, and unreliable.And then directly have influence on coal seam outburst hazard prediction accuracy, thus taked inappropriate extinction measure, come very big hidden danger for the colliery safety belt.
The utility model content
The utility model discloses a kind of gas pressure measurement mechanism, cross tomography in order to solve the colliery deep mining, structural belt gas air water mixes, can't thoroughly methane gas and hydraulic pressure be separated, and accurately measure the problem of coal-bed gas pressure, thereby avoid measuring the inaccurate potential safety hazard of bringing, for the coal mine gas comprehensive regulation provides technical guarantee because of coal-bed gas pressure.
The utility model provides a kind of gas pressure measurement mechanism, comprising:
The cylinder of steel body, described cylinder of steel body receives the methane gas in measurement environment and the mist of water vapour by its air inlet port, and described mist is stored;
Gas and water separator, described gas and water separator links to each other with the gas outlet that is positioned at described cylinder of steel body top, is used for the mist from described cylinder of steel body output is carried out gas-water separation;
Device for pressure measurement is used for the gas of described gas and water separator output is carried out the measurement of pressure, with the gas pressure after the acquisition gas-water separation.
The gas pressure measurement mechanism that the utility model provides by with behind air-water mixture process cylinder of steel body and the gas and water separator, produces pressure in the cylinder of steel body, its size shows in device for pressure measurement, records the actual value of coal-bed gas pressure.
Description of drawings
For clearer explanation the utility model embodiment or technical scheme of the prior art, to do with simple introduction the accompanying drawing of required use in embodiment or the description of the Prior Art below, conspicuous, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The gas pressure measurement mechanism structural representation that Fig. 1 provides for the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in the present embodiment is carried out clear, complete description, obviously, described embodiment is this a part of embodiment, rather than whole embodiment.Based on the embodiment in the basis, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of this protection.
The structural representation of the gas pressure measurement mechanism that Fig. 1 provides for the utility model embodiment, as shown in Figure 1, this gas pressure measurement mechanism comprises: cylinder of steel body 1, gas and water separator 2 and device for pressure measurement 3.Wherein, cylinder of steel body 1 receives the methane gas in measurement environment and the mist of steam by its air inlet port 11, and mist is stored.Gas and water separator 2 links to each other with the gas outlet that is positioned at cylinder of steel body 1 top, is used for the mist of output in the cylinder of steel body 1 is carried out gas-water separation, and the water of separating can also be back in the cylinder of steel body 1 by the liquid back pipe of gas and water separator 2 bottoms.Device for pressure measurement 3 is used for the gas of gas and water separator 2 outputs is carried out the measurement of pressure, with the gas pressure after the acquisition gas-water separation.Generally, air inlet port 11 is positioned at the top of cylinder of steel body 1, is higher than the early warning liquid level of cylinder of steel body 1.Air inlet port 11 can link to each other with the boring in title hole by devices such as flexible pipes, because the effect of coal-bed gas pressure, the mist family of Device in Gas in the coal seam and steam enters in the cylinder of steel body 1 by air inlet port 11.
Wherein, also be provided with between gas and water separator 2 and the device for pressure measurement 3: gasholder 4.This gasholder 4 is used to store the gas that gas and water separator 2 is separated.
Further, also be provided with between gas and water separator 2 and gasholder 4: unidirectional conducting valve 5, this unidirectional conducting valve 5 are used to limit the gas flow direction and are: gas and water separator 2 is to the direction of gasholder 4.The conducting during greater than the pressure in the gasholder 4 of the pressure of this unidirectional conducting valve 5 in cylinder of steel body 1, the pressure in cylinder of steel body 1 end during less than the pressure in the gasholder 4, and after unidirectional conducting valve 5 ended, it is constant that the pressure in the gasholder 4 keep.
Further, also be connected with outlet valve on the gasholder 4, this outlet valve is used for getting rid of the gas of gasholder 4.Behind the gas pressure in measuring gasholder 4, can the gas in the gasholder 4 be carried out emptying, with convenient measurement next time by this outlet valve.
Further, this gas pressure measurement mechanism can also comprise: the motor operated valve 6 and the controller 7 that discharges water automatically.Wherein, motor operated valve 6 carries out switch motion in the place, dewatering outlet of cylinder of steel body 1 according to the control command of the controller 7 that discharges water automatically.Automatically the controller 7 that discharges water is arranged on the outside of cylinder of steel body 1, is electrical connected with motor operated valve 6, is used for sending control command according to the liquid level in the cylinder of steel body 1.Need to prove, in mist enters cylinder of steel body 1 after, water is because self action of gravity, major part has dropped into the bottom of cylinder of steel body 1, has only not entered into gas and water separator 2 by the mist of gas-water separation fully on a small quantity.Along with the water in the cylinder of steel body 1 is more and more, when liquid level has reached the height that sets in advance, automatically the controller 7 of discharging water can send control command to the motor operated valve 6 that is positioned at place, cylinder of steel body 1 dewatering outlet, and motor operated valve 6 is opened according to control command, realizes the discharge of water in the cylinder of steel body 1.The time of opening of motor operated valve 6 need be carried out suitable control, closes at once so that the liquid level of cylinder of steel body 1 interior water is lower than one way valve 6 motor operated valve 6 before the height on the cylinder of steel body 1, leaks from motor operated valve 6 to avoid gas.
Wherein, can also detect the liquid level of cylinder of steel body 1 by the liquid level sensor 8 that is positioned at cylinder of steel body 1.The height of liquid level sensor 8 can be set according to actual needs, is installed in usually on the early warning liquid level.A liquid level sensor 8 can also be installed on the height of motor operated valve 6 again, whether drop under the height of motor operated valve 6, so that the controller 7 that discharges water automatically controls cutting out of motor operated valves 6 to detect liquid level.
Further, this gas pressure measurement mechanism can also comprise: deslagging device 9, this deslagging device 9 is positioned at cylinder of steel body 1, is used for the waste residue that accumulates in the cylinder of steel body 1 is removed.Here need to prove,, comprise solids such as a lot of cinders because the applied environment of this device is more abominable, when mist enters cylinder of steel body 1, may carry the solid impurity of fine particle, therefore, after this device work regular hour section, need remove this part waste residue.Generally, deslagging device 9 is positioned at the lower position of cylinder of steel body 1, to make things convenient for staff's operation.
Further, in order to realize remote monitoring, this gas pressure measurement mechanism can also comprise: long distance monitoring device 10.This long-distance monitorng device 10 can be used for receiving and showing the measuring-signal of device for pressure measurement 3.On the ordinary meaning, long-distance monitorng device 10 can be equipment such as computer.The gas pressure measurement mechanism that has comprised long-distance monitorng device 10, can be so that the staff need to enter into dangerous working sites such as tunnel, but carry out on-the-spot monitoring by the long-distance monitorng device 10 that is positioned at ground or work station, improved staff's work safety and operating efficiency.
Further, also be provided with mixture pressure measurement mechanism 12 at air inlet port 11 places of cylinder of steel body 1, this mixture pressure measurement mechanism 12 is measured the mixture pressure at air inlet port 11 places.Accordingly, long-distance monitorng device 10 also is used to receive and show the measuring-signal of mixture pressure measurement mechanism 12, with the contrast and the analysis of the gas pressure after realization and the gas-water separation.
Need to prove that mixture pressure measurement mechanism 12 can be connected air inlet port 11 places of cylinder of steel body 1 by threeway.
The concrete operating principle of gas pressure measurement mechanism in the present embodiment can for:
After the air-water mixture that comes out by holing enters cylinder of steel body 1 and gas and water separator 2, produce pressure in the cylinder of steel body, its size shows in mixture pressure measurement mechanism 12.When cylinder of steel body 1 internal pressure during greater than the pressure in the gasholder 4, unidirectional conducting valve 5 conductings, the force value in the gasholder 4 show in device for pressure measurement 3.Along with the water in the cylinder of steel body 1 is more and more, when water level reaches the position of liquid level sensor 8, liquid level sensor 8 passes to the controller 7 that discharges water automatically with liquid level, automatically the controller 7 control motor operated valves 6 that discharge water are opened and are discharged water, open a period of time, motor operated valve 6 cuts out, and the controller 7 of wherein discharging water automatically cuts out before can the liquid level in cylinder of steel body 1 dropping to the dewatering outlet of cylinder of steel body 1 at once, leaks to avoid gas.When discharging water, the pressure of cylinder of steel body 1 descends, and unidirectional conducting valve 5 ends, and the pressure size in the gasholder 4 is constant, and when the pressure in the cylinder of steel body 1 was returned to the force value that is higher than in the gasholder 4, the conducting once more of unidirectional conducting valve 5 went round and began again.Thereby record the maximum value of coal-bed gas pressure, simultaneously, water has been bled off, and its pressure can not act on the device for pressure measurement 3, and what device for pressure measurement 3 recorded is exactly the actual value of gas pressure.
The gas pressure measurement mechanism that the utility model embodiment provides has solved and has crossed tomography in the deep mining process of colliery, gas air water blend pressure is excessive when meeting structural belt, can't be thoroughly with methane gas and moisture from after carry out the problem that gas pressure is measured, for the coal mine gas comprehensive regulation provides reliable guidance.
It should be noted that at last: above embodiment is only in order to explanation the technical solution of the utility model but not limit it, although with reference to preferred embodiment to originally having been described in detail, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement this technical scheme, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. a gas pressure measurement mechanism is characterized in that, comprising:
The cylinder of steel body, described cylinder of steel body receives the methane gas in measurement environment and the mist of water vapour by its air inlet port, and described mist is stored;
Gas and water separator, described gas and water separator links to each other with the gas outlet that is positioned at described cylinder of steel body top, is used for the mist from described cylinder of steel body output is carried out gas-water separation;
Device for pressure measurement is used for the gas of described gas and water separator output is carried out the measurement of pressure, with the gas pressure after the acquisition gas-water separation.
2. gas pressure measurement mechanism according to claim 1 is characterized in that, also is provided with between described gas and water separator and the described device for pressure measurement: gasholder;
Described gasholder is used to store the gas that described gas and water separator is separated.
3. gas pressure measurement mechanism according to claim 2 is characterized in that, also is provided with between described gas and water separator and the described gasholder: unidirectional conducting valve;
Described unidirectional conducting valve is used to limit the gas flow direction: described gas and water separator is to described gasholder;
And the pressure in the described cylinder of steel body is during greater than the pressure in the described gasholder, described unidirectional conducting valve conducting; Pressure in the described cylinder of steel body is during less than the pressure in the described gasholder, and described unidirectional conducting valve ends.
4. according to claim 2 or 3 described gas pressure measurement mechanisms, it is characterized in that, also be connected with on the described gasholder: outlet valve;
Described outlet valve is used for getting rid of the gas of described gasholder.
5. gas pressure measurement mechanism according to claim 1 is characterized in that, also comprises: the motor operated valve and the controller that discharges water automatically;
Described motor operated valve is positioned at the place, dewatering outlet of described cylinder of steel body, carries out switch motion according to the control command of the described controller that discharges water automatically;
Described controller and the described motor operated valve of discharging water automatically is electrical connected, and is used for sending control command according to the liquid level in the described cylinder of steel body.
6. gas pressure measurement mechanism according to claim 5 is characterized in that, also comprises: liquid level sensor;
Described liquid level sensor is positioned at described cylinder of steel body, is used to detect the liquid level in the described cylinder of steel body, and described liquid level is sent to the described controller that discharges water automatically.
7. gas pressure measurement mechanism according to claim 1 is characterized in that, also comprises: deslagging device;
Described deslagging device is positioned at described cylinder of steel body, is used for the waste residue that accumulates in the described cylinder of steel body is removed.
8. gas pressure measurement mechanism according to claim 1 is characterized in that, also comprises: long-distance monitorng device;
Described long-distance monitorng device is used to receive and show the measuring-signal of described device for pressure measurement.
9. gas pressure measurement mechanism according to claim 8 is characterized in that, the air inlet port place of described cylinder of steel body also is provided with the mixture pressure measurement mechanism, is used to measure the mixture pressure at described air inlet port place;
Accordingly, described long-distance monitorng device also is used to receive and show the measuring-signal of described mixture pressure measurement mechanism.
10. gas pressure measurement mechanism according to claim 9 is characterized in that, described mixture pressure measurement mechanism is connected the air inlet port place of described cylinder of steel body by threeway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206528988U CN201896613U (en) | 2010-12-06 | 2010-12-06 | Gas pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206528988U CN201896613U (en) | 2010-12-06 | 2010-12-06 | Gas pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896613U true CN201896613U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206528988U Expired - Fee Related CN201896613U (en) | 2010-12-06 | 2010-12-06 | Gas pressure measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201896613U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486426A (en) * | 2010-12-06 | 2012-06-06 | 淮南矿业(集团)有限责任公司 | Gas pressure measurement device |
| CN102877833A (en) * | 2012-06-19 | 2013-01-16 | 淮南矿业(集团)有限责任公司 | Compensated pressure measurement drilling gas-water separation drainage device |
| CN103993873A (en) * | 2014-05-29 | 2014-08-20 | 淮南矿业(集团)有限责任公司 | Pressure measuring device |
| CN104989383A (en) * | 2015-07-08 | 2015-10-21 | 淮南矿业(集团)有限责任公司 | Gas pressure measuring device and gas pressure measuring system |
-
2010
- 2010-12-06 CN CN2010206528988U patent/CN201896613U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486426A (en) * | 2010-12-06 | 2012-06-06 | 淮南矿业(集团)有限责任公司 | Gas pressure measurement device |
| CN102877833A (en) * | 2012-06-19 | 2013-01-16 | 淮南矿业(集团)有限责任公司 | Compensated pressure measurement drilling gas-water separation drainage device |
| CN103993873A (en) * | 2014-05-29 | 2014-08-20 | 淮南矿业(集团)有限责任公司 | Pressure measuring device |
| CN103993873B (en) * | 2014-05-29 | 2017-02-01 | 淮南矿业(集团)有限责任公司 | Pressure measuring device |
| CN104989383A (en) * | 2015-07-08 | 2015-10-21 | 淮南矿业(集团)有限责任公司 | Gas pressure measuring device and gas pressure measuring system |
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Legal Events
| 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: 20110713 Termination date: 20161206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |