CN214503240U - Mining gas continuous analyzer - Google Patents
Mining gas continuous analyzer Download PDFInfo
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- CN214503240U CN214503240U CN202120669760.7U CN202120669760U CN214503240U CN 214503240 U CN214503240 U CN 214503240U CN 202120669760 U CN202120669760 U CN 202120669760U CN 214503240 U CN214503240 U CN 214503240U
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Abstract
The utility model provides a mining gas continuous analysis appearance, including measuring a section of thick bamboo, coal sample bucket, be equipped with the air duct on the coal sample bucket, measure a section of thick bamboo top and be equipped with the air inlet, the air inlet is connected with the air duct, is equipped with the two-way breather valve on the air inlet, measures bobbin base portion and is equipped with delivery port and water inlet, and water inlet department is connected with the inlet tube. By adopting the utility model, the air inlet is arranged at the top of the measuring cylinder, and the air is exhausted when the two-way scavenging valve is used for filling water, so that the measuring cylinder can be fully filled with water, the volume utilization rate is improved, the range is increased, and the waste of water spraying is avoided; the gas is not influenced by the pressure of the water column when entering the measuring cylinder, so that the resistance error is reduced, and the measuring result is more accurate. And the water inlet can not move and soak, further reducing the error. The number of the measuring cylinders is two, air inlets of the two measuring cylinders are connected with the air guide pipe through a tee joint, and water inlets of the two measuring cylinders are connected with the water inlet pipe through a tee joint.
Description
Technical Field
The utility model relates to a colliery check out test set technical field, concretely relates to mining gas continuous analysis appearance.
Background
The gas content of the coal seam is the amount of gas per unit volume or weight of coal in a natural state. The coal seam gas content is one of the coal seam gas basic parameters, and has a vital role in predicting the risk of the coal seam, carrying out coal seam mining design in a targeted manner, and making anti-burst measures. At present, a drainage and gas collection measuring method is generally adopted for underground measurement of gas content, coal samples are placed into an analysis barrel, analyzed gas is guided into an analysis instrument, a water column in a measuring cylinder is replaced, and the change speed and the size of a liquid level are read to measure the gas analysis speed and the gas analysis amount.
Chinese patent publication No. CN108625900A discloses an automatic underground gas analyzer and a method for using the same, in which an air inlet, a water outlet, and a water filling channel are provided at the bottom of the gas analyzer, the air inlet is communicated with a coal sample tank through an air duct, and a bottom plug is provided in the water filling channel. When the gas analyzer is used, the bottom plug is firstly pulled out, the gas analyzer is filled with water, a coal sample is filled into the coal sample tank, the analyzed gas enters the gas analyzer through the gas guide pipe, the water in the gas analyzer is replaced, and the gas is discharged through the water outlet. However, when water is poured, the original gas in the gas analyzer is not easy to discharge, and water is easy to spray out from the water outlet and the air inlet, so that the water is difficult to fill, and the measuring range cannot be fully played; when the pressure in the gas analyzer rises, the bottom plug is easy to soak and move, so that the measurement result is inaccurate; in addition, the influence of the pressure of the water column is received, the resistance of gas entering is large, and the measurement error is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a mining gas continuous analysis appearance.
The utility model discloses a following technical scheme can realize.
The utility model provides a mining gas continuous analyzer,
the utility model provides a mining gas continuous analysis appearance, including measuring a section of thick bamboo, coal sample bucket, be equipped with the air duct on the coal sample bucket, measure a section of thick bamboo top and be equipped with the air inlet, the air inlet is connected with the air duct, is equipped with the two-way breather valve on the air inlet, measure the bobbin base portion and be equipped with delivery port and water inlet, water inlet department is connected with the inlet tube.
The number of the measuring cylinders is two, and air inlets of the two measuring cylinders are connected with the air guide pipe through a tee joint.
The water inlets of the two measuring cylinders are connected with a water inlet pipe through a tee joint.
The water inlet is provided with a water inlet valve.
The upper portion of the coal sample barrel is provided with a sealing cover, an elastic sealing gasket is arranged on the sealing cover, and the sealing cover is connected with the coal sample barrel through a tower buckle.
The middle part of the sealing cover is provided with a filter, and the outlet of the filter is connected with the air duct.
And an air guide valve is arranged at the outlet of the filter.
The top of the measuring cylinder is also provided with an ultrasonic liquid level meter, and the direction of ultrasonic waves emitted by the ultrasonic liquid level meter points to the bottom of the measuring cylinder.
The beneficial effects of the utility model reside in that:
by adopting the utility model, the air inlet is arranged at the top of the measuring cylinder, and the air is exhausted when the two-way scavenging valve is used for filling water, so that the measuring cylinder can be fully filled with water, the volume utilization rate is improved, the range is increased, and the waste of water spraying is avoided; the gas is not influenced by the pressure of the water column when entering the measuring cylinder, so that the resistance error is reduced, and the measuring result is more accurate. And the water inlet can not move and soak, further reducing the error.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a measuring cylinder; 2-coal sample barrel; 3-gas guide tube; 4-an air inlet; 5-a two-way ventilation valve; 6-water outlet; 7-a water inlet; 8-water inlet pipe; 9-a water inlet valve; 10-sealing cover; 11-a filter; 12-a gas guide valve; 13-ultrasonic level gauge.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the structure of the present invention is schematically illustrated:
the utility model provides a mining gas continuous analysis appearance, including measuring a section of thick bamboo 1, coal sample bucket 2, be equipped with air duct 3 on the coal sample bucket 2, measure 1 top of a section of thick bamboo and be equipped with air inlet 4, air inlet 4 is connected with air duct 3, is equipped with two way breather valve 5 on the air inlet 4, 1 bottom of a measurement section of thick bamboo is equipped with delivery port 6 and water inlet 7, and 7 departments of water inlet are connected with inlet tube 8.
The using method comprises the following steps: firstly, the two-way ventilation valve 5 is adjusted to a ventilation channel, the water outlet 6 is closed, the water inlet 7 is opened, the measuring cylinder 1 is filled with water through the water inlet pipe 8, then the two-way ventilation valve 5 and the water inlet 7 are closed, a coal sample is put into the coal sample barrel 2, the two-way ventilation valve 5 is switched to the gas guide pipe 3 channel, the water outlet 6 is opened, gas analyzed from the coal sample enters the measuring cylinder 1 through the gas guide pipe 3, water is replaced, and the replaced water flows out through the water outlet 6. The liquid level in the measuring cylinder 1 is read at regular time, and the analysis speed and the analysis amount of the gas can be calculated.
By adopting the utility model, the air inlet 4 is arranged at the top of the measuring cylinder 1, and the air is exhausted when the water is filled through the two-way scavenging valve 5, so that the measuring cylinder 1 can be fully filled with water, the volume utilization rate is improved, the range is increased, and the waste of water spraying is avoided; when gas enters the measuring cylinder 1, the gas is not influenced by the pressure of the water column, so that the resistance error is reduced, and the measuring result is more accurate. And the water inlet 7 can not move and be soaked, so that the error is further reduced.
The number of the measuring cylinders 1 is two, and air inlets 4 of the two measuring cylinders 1 are connected with the air guide pipe 3 through a tee joint. By switching the two-way ventilation valve 5 of the two measuring cylinders 1, the simultaneous measurement of one measuring cylinder 1 and the irrigation of the other measuring cylinder can be realized, the two measuring cylinders 1 alternately perform the processes of measurement and irrigation, the uninterrupted continuous measurement by an analyzer with smaller volume is realized, the measuring range is greatly improved, and the equipment volume is reduced.
The water inlets 7 of the two measuring cylinders 1 are connected with a water inlet pipe 8 through a tee joint. The water can be supplied by one water inlet pipe 8, and the water supply pipelines are reduced.
The water inlet 7 is provided with a water inlet valve 9. The water inlet sequence and time can be conveniently controlled, and the operation is convenient during continuous measurement.
The upper portion of the coal sample barrel 2 is provided with a sealing cover 10, an elastic sealing gasket is arranged on the sealing cover 10, and the sealing cover 10 is connected with the coal sample barrel 2 through a tower buckle. The cover closing operation after the coal sample is put in is convenient, the operation speed is high, and the gas loss is reduced.
The middle part of the sealing cover 10 is provided with a filter 11, and the outlet of the filter 11 is connected with the air duct 3. When putting into the rubbing crusher in coal sample bucket 2, prevent that the dust that smashes the production from getting into air duct 3, improve the gas cleanliness, prevent to pollute measuring section of thick bamboo 1.
An air guide valve 12 is arranged at the outlet of the filter 11. Before the two-way ventilation valve 5 is switched to the channel of the air duct 3, the air guide valve 12 is closed, so that the gas loss and the error are avoided.
The top of the measuring cylinder 1 is also provided with an ultrasonic liquid level meter 13, and the direction of ultrasonic waves emitted by the ultrasonic liquid level meter 13 points to the bottom of the measuring cylinder 1. The liquid level is convenient to measure regularly, is not influenced by underground light, and the measuring time interval and the measured value are accurate.
Claims (8)
1. The utility model provides a mining gas continuous analysis appearance which characterized in that: including measuring a section of thick bamboo (1), coal sample bucket (2), be equipped with air duct (3) on coal sample bucket (2), measure a section of thick bamboo (1) top and be equipped with air inlet (4), air inlet (4) are connected with air duct (3), are equipped with two way breather valve (5) on air inlet (4), measuring a section of thick bamboo (1) bottom is equipped with delivery port (6) and water inlet (7), and water inlet (7) department is connected with inlet tube (8).
2. The mining gas continuous analyzer of claim 1, characterized in that: the number of the measuring cylinders (1) is two, and air inlets (4) of the two measuring cylinders (1) are connected with the air guide pipe (3) through a tee joint.
3. The mining gas continuous analyzer of claim 2, characterized in that: the water inlets (7) of the two measuring cylinders (1) are connected with a water inlet pipe (8) through a tee joint.
4. The mining gas continuous analyzer of claim 3, characterized in that: the water inlet (7) is provided with a water inlet valve (9).
5. The mining gas continuous analyzer of claim 1, characterized in that: the coal sample barrel is characterized in that a sealing cover (10) is arranged on the upper portion of the coal sample barrel (2), an elastic sealing gasket is arranged on the sealing cover (10), and the sealing cover (10) is connected with the coal sample barrel (2) through a tower buckle.
6. The mining gas continuous analyzer of claim 5, characterized in that: the middle part of the sealing cover (10) is provided with a filter (11), and the outlet of the filter (11) is connected with the air duct (3).
7. The mining gas continuous analyzer of claim 6, characterized in that: an air guide valve (12) is arranged at the outlet of the filter (11).
8. The mining gas continuous analyzer of claim 1, characterized in that: the top of the measuring cylinder (1) is also provided with an ultrasonic liquid level meter (13), and the direction of ultrasonic waves emitted by the ultrasonic liquid level meter (13) points to the bottom of the measuring cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669760.7U CN214503240U (en) | 2021-04-01 | 2021-04-01 | Mining gas continuous analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120669760.7U CN214503240U (en) | 2021-04-01 | 2021-04-01 | Mining gas continuous analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214503240U true CN214503240U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120669760.7U Active CN214503240U (en) | 2021-04-01 | 2021-04-01 | Mining gas continuous analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214503240U (en) |
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2021
- 2021-04-01 CN CN202120669760.7U patent/CN214503240U/en active Active
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