CN214252265U - Gas content basic data measuring equipment - Google Patents
Gas content basic data measuring equipment Download PDFInfo
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- CN214252265U CN214252265U CN202022885242.7U CN202022885242U CN214252265U CN 214252265 U CN214252265 U CN 214252265U CN 202022885242 U CN202022885242 U CN 202022885242U CN 214252265 U CN214252265 U CN 214252265U
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Abstract
The utility model discloses a gas content basic data measuring device, which comprises a first shell for storing coal blocks, a gap capable of being pressurized is reserved between the upper part of the coal blocks and the inner wall above the first shell, the device also comprises a heating unit for heating the coal blocks, when the pressurizing unit pressurizes in the first shell, the speed of the gas released by the coal blocks correspondingly changes, after the gas released by the coal blocks is released for a certain time, water in a second shell is pumped into a third shell by moving a piston upwards, so that the gas released by the coal blocks above the first shell is supplemented into a cavity above the second shell, the inner wall above the second shell is provided with a monitoring unit capable of monitoring the gas content, the content of the gas is convenient to observe, when the coal blocks are heated by the heating unit, the speed of the gas released by the coal blocks correspondingly changes, the device can measure the release amount of the gas at different temperatures and different pressures, has important significance.
Description
Technical Field
The utility model relates to a gas content basic data survey equipment technical field, concretely relates to gas content basic data survey equipment.
Background
The coal mine gas accident is one of major disasters of a coal mine, occurrence conditions of the coal mine gas are important influence factors of the coal mine gas accident, and rapid and accurate determination of coal seam gas content is a technology which needs to be solved urgently.
The method for measuring the coal bed gas content is divided into an indirect method and a direct method. The indirect method is mainly determined according to the pressure of the underground coal seam and the basic parameters of the laboratory measured coal, and has the defects of long measuring period and large engineering quantity. The direct method comprises the following steps: the method comprises the steps of directly measuring the gas content of the coal bed in the geological exploration period and directly measuring the gas content of the underground coal bed in the production period. The method for directly measuring the coal bed gas content in the geological exploration period is used for measuring the coal bed gas content in the geological exploration period before mine exploitation, is a foundation and basis for mine design, construction and production, and also has the problems of long measuring period, large engineering quantity and high cost.
At present, the most common coal bed gas content measuring method is direct underground measurement, and the principle is as follows: collecting a fresh original coal sample underground, actually measuring the gas desorption amount of the coal sample, calculating the loss gas amount of the coal sample in the sampling process according to the gas desorption rule of the coal sample, then measuring the residual gas amount of the coal sample in a laboratory, and finally calculating the gas content of the coal bed according to the sampling loss gas amount of the coal sample, the underground gas desorption amount, the residual gas amount and the weight of the coal sample. Although the underground direct measurement method is relatively simple and relatively low in cost, the residual gas content measurement process in a laboratory is long, and the working face gas condition cannot be quickly known. Therefore, the rapid gas content tester has important significance for predicting the coal and gas outburst risk of the working face.
Therefore, the gas content basic data measuring equipment is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a gas content basic data survey equipment, including the first casing of storage coal cinder, this device measurable quantity gas release amount under different temperatures and different pressures has important meaning.
In order to achieve the above object, the utility model discloses a pair of gas content basic data measuring equipment, include:
the coal briquette discharging device comprises a first shell for storing coal briquettes, wherein a pressurizable gap is reserved between the upper part of the coal briquettes and the inner wall above the first shell, the upper part of the first shell is provided with an opening, a sealing cover is sealed at the opening, a pressurizing unit for pressurizing the inside of the first shell above the coal briquettes is arranged on the sealing cover, and the discharging speed of gas in the coal briquettes can be changed when the pressurizing unit pressurizes the gap above the coal briquettes;
the heating unit is arranged in the heating cavity at the outer ring of the first shell, and can change the discharge speed of gas in the coal briquette when the heating unit generates heat and transfers the heat to the coal briquette;
the water storage device comprises a first shell, a second shell and a piston, wherein the first shell is arranged on one side of the first shell and used for storing water, the upper end of the second shell is communicated with the gap at the upper end of the first shell, a third shell is arranged on one side of the second shell, the bottom of the third shell is communicated with the bottom of the second shell, the third shell is internally provided with the piston which can move upwards and pump water in the second shell into the third shell in the moving process, when the piston moves upwards and pumps water in the second shell into the third shell, a low-pressure cavity is formed above the second shell, gas exhausted from the gap above the first shell through a coal briquette is supplemented into the cavity above the second shell, and a monitoring unit for monitoring the gas content in the cavity above the second shell is arranged on the inner wall above the second shell.
As a further optimization of the above scheme, a protective barrel is connected to the outer ring of the first housing in a threaded fit manner, and the protective barrel is protected outside the heating cavity.
In this embodiment, the pressurizing unit may use a gas pump, when the pressurizing unit pressurizes the first casing, the speed of the gas released by the coal briquette is changed accordingly, after the gas released by the coal briquette is released for a certain time, the piston is moved upward to pump the water in the second casing into the third casing, so that the gas released by the coal briquette above the first casing is fed into the cavity above the second casing, and the inner wall above the second casing is provided with a monitoring unit capable of monitoring the content of the gas, so as to facilitate the observation of the content of the gas, when the coal briquette is heated by the heating unit, the speed of the gas released by the coal briquette is changed accordingly, after the gas released by the coal briquette is released for a certain time, the piston is moved upward to pump the water in the second casing into the third casing, so that the gas released by the coal briquette above the first casing is fed into the cavity above the second casing, wherein, the temperature that the coal cinder is heated does not generally not exceed thirty-five degrees because of exceeding the highest safe temperature, and the protection section of thick bamboo protection is in the outside in heating chamber for the heat that the heating unit produced can fully be utilized by the coal cinder, is difficult for effluvium, and has the effect of protection to the heating unit, and the heating unit can use devices such as electric heating board, and the monitoring unit can use devices such as electronic pressure gauge.
As a further optimization of the above scheme, the lower end of the pressurizing unit is provided with a pressurizing pipe communicated with the gap above the first shell, and a one-way valve body allowing gas to enter the gap above the first shell in a one-way mode is arranged in the pressurizing pipe.
It should be noted that the pressurizing unit can apply pressure to the gap above the first housing in a one-way manner through the pressurizing pipe, so that the gas in the gap above the first housing does not flow out to affect the accuracy of measurement.
As a further optimization of the above scheme, an air pipe communicated with a gap between the upper end of the second shell and the upper end of the first shell is arranged at the upper end of the sealing cover, and a one-way air valve for allowing air at the gap between the upper end of the first shell to enter a cavity above the second shell in a one-way manner is arranged in the air pipe.
Furthermore, the one-way air valve in the air pipe ensures that the gas at the gap above the first shell flows into the second shell in one way, and the phenomenon of inaccurate measurement caused by reverse flow can not be formed.
As a further optimization of the scheme, one end of the air pipe, which is close to the second shell, is communicated with a hose which can elastically deform, the end part of the hose is fixedly provided with a splicing pipe, and the upper end of the second shell is provided with a splicing hole for the splicing pipe to be connected in a threaded fit manner.
Specifically, concatenation pipe accessible screw-thread fit connects on the concatenation hole, makes things convenient for the dismouting, the separation and the maintenance of the first casing of being convenient for and second casing, convenient to use.
As a further optimization of the above scheme, the bottom of the second shell is communicated with the bottom of the third shell through a water pipe.
When the piston in the third shell moves upwards, water in the second shell enters the inside of the third shell through the water pipe, and the volume of the third shell is larger than half of the volume of the second shell and smaller than the volume of the second shell, so that gas in a gap above the second shell is ensured to be arranged above the third shell and cannot flow into the third shell.
As a further optimization of the above scheme, a push rod movably penetrating through the upper surface of the third housing is fixedly arranged on the upper surface of the piston.
The push rod can drive the piston to ascend and descend, the use is convenient, the push rod can push water in the third shell to the second shell in the reverse direction when driving the piston to descend, the recycling of the device can be completed, the energy is saved, the environment is protected, the practicability is high, the device can measure the release amount of gas at different temperatures and different pressures, and the device has important significance.
The utility model discloses a gas content basic data survey equipment possesses following beneficial effect:
the utility model discloses a gas content basic data survey equipment, including the first casing of storage coal cinder, but leave the pressor space between the top of coal cinder and the first casing top inner wall, still include the heating unit who gives the coal cinder heating, when the pressurization unit pressurizes to the first casing in, the corresponding change of speed of coal cinder release gas, through upwards moving the piston and in the third casing with the water suction in the second casing in the certain time back of coal cinder release gas, make the gas that is released by the coal cinder above the first casing fill in the cavity of second casing top, and the inner wall is provided with the monitoring unit that can monitor gas content above the second casing, conveniently observe gas content, when heating the coal cinder through the heating unit, the corresponding change of speed of coal cinder release gas, through upwards moving the piston and in the third casing with the water suction in the second casing after the coal cinder release gas for a certain time, make first casing top by the gaseous replenishment of gas that the coal cinder released in second casing top cavity, this device measurable quantity gas release volume under different temperature and different pressure has important meaning.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are capable of numerous changes, modifications and equivalents within the spirit and terms of the appended claims.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of a structure in fig. 1 according to the present invention.
In the figure: the device comprises a first shell 1, a second shell 2, a third shell 3, a push rod 4, a piston 5, a water pipe 6, an air pipe 7, a one-way air valve 8, a pressurizing unit 9, a pressurizing pipe 10, a sealing cover 11, a protective cylinder 12, a coal briquette 13, a heating cavity 14, a heating unit 15, a hose 16, a splicing pipe 17, a splicing hole 18 and a monitoring unit 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail by the embodiments and the accompanying drawings. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-2 of the specification, the utility model provides a technical scheme: a gas content basic data measuring apparatus comprising:
the coal briquette recycling device comprises a first shell 1 for storing coal briquettes 13, wherein a pressurizable gap is reserved between the upper part of the coal briquettes 13 and the upper inner wall of the first shell 1, the upper part of the first shell 1 is provided with an opening, a sealing cover 11 is sealed at the opening, a pressurizing unit 9 for pressurizing the inside of the first shell 1 above the coal briquettes 13 is arranged on the sealing cover 11, and when the gap above the coal briquettes 13 is pressurized through the pressurizing unit 9, the discharging speed of gas in the coal briquettes 13 can be changed;
a heating unit 15 for heating the coal block 13, the heating unit 15 being disposed in the heating chamber 14 at the outer circumference of the first housing 1, and the discharge speed of the gas in the coal block 13 being varied when the heating unit 15 generates heat and transfers the heat to the coal block 13;
set up in first casing 1 one side and be used for the second casing 2 of storage water, the upper end of second casing 2 and the space department intercommunication of first casing 1 upper end, one side of second casing 2 is provided with third casing 3, the bottom of third casing 3 and the bottom intercommunication of second casing 2, be provided with in the third casing 3 can the rebound and in the in-process water suction third casing 3 in the second casing 2 piston 5, when piston 5 moves upwards with the water suction third casing 3 in the second casing 2, form the low pressure cavity above the second casing 2, the gas that first casing 1 top space department discharged through coal cinder 13 is mended in the cavity above the second casing 2, second casing 2 top inner wall is provided with monitoring unit 19 of monitoring the gas content in the cavity above the second casing 2.
A protective barrel 12 is connected to the outer ring of the first housing 1 through screw thread fit, and the protective barrel 12 is protected outside the heating cavity 14.
In this embodiment, the pressurizing unit 9 may use a device such as an air pump, when the pressurizing unit 9 pressurizes the first casing 1, the speed of the gas released by the coal block 13 changes correspondingly, after the gas released by the coal block 13 has a certain time, the piston 5 moves upward to pump the water in the second casing 2 into the third casing 3, so that the gas released by the coal block 13 above the first casing 1 is fed into the cavity above the second casing 2, the monitoring unit 19 capable of monitoring the gas content is disposed on the inner wall above the second casing 2, so as to facilitate the observation of the gas content, when the coal block 13 is heated by the heating unit 15, the speed of the gas released by the coal block 13 changes correspondingly, after the gas released by the coal block 13 has a certain time, the piston 5 moves upward to pump the water in the second casing 2 into the third casing 3, so that the gas released by the coal block 13 above the first casing 1 is fed into the cavity above the second casing 2, the temperature of the coal briquette 13 to be heated does not exceed the highest safe temperature, generally does not exceed thirty-five degrees, and the protection cylinder 12 protects the outside of the heating cavity 14, so that the heat generated by the heating unit 15 can be fully utilized by the coal briquette 13, is not easy to be dissipated, and has a protection effect on the heating unit 15, the heating unit 15 can use devices such as an electric heating plate, and the monitoring unit 19 can use devices such as an electronic pressure gauge.
The lower end of the pressurizing unit 9 is provided with a pressurizing pipe 10 communicated with the gap above the first shell 1, and the pressurizing pipe 10 is internally provided with a one-way valve body which can allow gas to enter the gap above the first shell 1 in a one-way mode.
It should be noted that the pressurizing unit 9 can apply pressure to the gap above the first casing 1 in a single direction through the pressurizing pipe 10, so that the gas in the gap above the first casing 1 does not flow out to affect the accuracy of measurement.
The upper end of the sealing cover 11 is provided with an air pipe 7 communicated with the gap between the upper end of the second shell 2 and the upper end of the first shell 1, and the air pipe 7 is internally provided with a one-way air valve 8 for allowing air at the gap between the upper end of the first shell 1 to enter a cavity above the second shell 2 in a one-way manner.
Furthermore, the one-way air valve 8 in the air pipe 7 ensures that the gas at the gap above the first shell 1 flows into the second shell 2 in one way, and the phenomenon of inaccurate measurement caused by reverse flow can not be formed.
But trachea 7 one end intercommunication near second casing 2 sets up elastically deformable's hose 16, and the end fixing of hose 16 is provided with concatenation pipe 17, and the upper end of second casing 2 is provided with the concatenation hole 18 that supplies concatenation pipe 17 to pass through screw-thread fit connection.
Specifically, concatenation pipe 17 accessible screw-thread fit connects on concatenation hole 18, makes things convenient for the dismouting, the separation and the maintenance of the first casing 1 of being convenient for and second casing 2, convenient to use.
The bottom of the second casing 2 is communicated with the bottom of the third casing 3 through a water pipe 6.
When the piston 5 in the third shell 3 moves upwards, the water in the second shell 2 enters the inside of the third shell 3 through the water pipe 6, the volume of the third shell 3 is more than half of the volume of the second shell 2 and less than the volume of the second shell 2, and the gas in the gap above the second shell 2 is ensured to be arranged above the third shell 3 and not to flow into the third shell 3.
The upper surface of the piston 5 is fixedly provided with a push rod 4 which movably penetrates through the upper surface of the third shell 3.
Wherein, push rod 4 can drive piston 5 and rise the decline, convenient to use, can push the water reversal in the third casing 3 to the second casing 2 when push rod 4 drives piston 5 and descends, can accomplish the used circulation of device, and energy-concerving and environment-protective, the practicality is strong, but this device measurable quantity gas release amount under different temperature and different pressure has important meaning.
The embodiment provides a gas content basic data survey equipment, working process as follows:
when the pressurizing unit 9 pressurizes the first shell 1, the speed of the coal block 13 releasing gas is correspondingly changed, after the coal block 13 releases gas for a certain time, the piston 5 is moved upwards to suck water in the second shell 2 into the third shell 3, so that the gas released by the coal block 13 above the first shell 1 is replenished into the cavity above the second shell 2, the monitoring unit 19 capable of monitoring the content of the gas is arranged on the inner wall above the second shell 2, the content of the gas is convenient to observe, when the coal block 13 is heated by the heating unit 15, the speed of the coal block 13 releasing gas is correspondingly changed, after the coal block 13 releases gas for a certain time, the piston 5 is moved upwards to suck water in the second shell 2 into the third shell 3, so that the gas released by the coal block 13 above the first shell 1 is replenished into the cavity above the second shell 2, the temperature of the coal briquette 13 to be heated does not exceed the maximum safe temperature, generally does not exceed thirty-five degrees, and the protection cylinder 12 is protected outside the heating cavity 14, so that the heat generated by the heating unit 15 can be fully utilized by the coal briquette 13, is not easy to be dissipated, and has a protection effect on the heating unit 15.
It should be understood, however, that the intention is not to limit the invention to the particular embodiments described, but to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. A gas content basic data measuring apparatus, comprising:
the coal briquette discharging device comprises a first shell for storing coal briquettes, wherein a pressurizable gap is reserved between the upper part of the coal briquettes and the inner wall above the first shell, the upper part of the first shell is provided with an opening, a sealing cover is sealed at the opening, a pressurizing unit for pressurizing the inside of the first shell above the coal briquettes is arranged on the sealing cover, and the discharging speed of gas in the coal briquettes can be changed when the pressurizing unit pressurizes the gap above the coal briquettes;
the heating unit is arranged in the heating cavity at the outer ring of the first shell, and can change the discharge speed of gas in the coal briquette when the heating unit generates heat and transfers the heat to the coal briquette;
the water storage device comprises a first shell, a second shell and a piston, wherein the first shell is arranged on one side of the first shell and used for storing water, the upper end of the second shell is communicated with the gap at the upper end of the first shell, a third shell is arranged on one side of the second shell, the bottom of the third shell is communicated with the bottom of the second shell, the third shell is internally provided with the piston which can move upwards and pump water in the second shell into the third shell in the moving process, when the piston moves upwards and pumps water in the second shell into the third shell, a low-pressure cavity is formed above the second shell, gas exhausted from the gap above the first shell through a coal briquette is supplemented into the cavity above the second shell, and a monitoring unit for monitoring the gas content in the cavity above the second shell is arranged on the inner wall above the second shell.
2. The gas content basic data measuring apparatus according to claim 1, wherein: the outer ring of the first shell is connected with a protective barrel in a threaded fit mode, and the protective barrel protects the outside of the heating cavity.
3. The gas content basic data measuring apparatus according to claim 1, wherein: the lower end of the pressurizing unit is provided with a pressurizing pipe communicated with the gap above the first shell, and a one-way valve body allowing gas to enter the gap above the first shell in a one-way mode is arranged in the pressurizing pipe.
4. The gas content basic data measuring apparatus according to claim 1, wherein: the upper end of the sealing cover is provided with an air pipe communicated with a gap between the upper end of the second shell and the upper end of the first shell, and a one-way air valve for allowing air at the gap between the upper end of the first shell to enter a cavity above the second shell in a one-way mode is arranged in the air pipe.
5. The apparatus for determining gas content basic data according to claim 4, wherein: but the trachea is close to the one end intercommunication of second casing and sets up elastically deformable's hose, the end fixing of hose is provided with the concatenation pipe, the upper end of second casing is provided with the concatenation hole that supplies the concatenation pipe to pass through screw-thread fit and connect.
6. The gas content basic data measuring apparatus according to claim 1, wherein: the bottom of the second shell is communicated with the bottom of the third shell through a water pipe.
7. The gas content basic data measuring apparatus according to claim 1, wherein: and a push rod movably penetrating through the upper surface of the third shell is fixedly arranged on the upper surface of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885242.7U CN214252265U (en) | 2020-12-04 | 2020-12-04 | Gas content basic data measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022885242.7U CN214252265U (en) | 2020-12-04 | 2020-12-04 | Gas content basic data measuring equipment |
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| Publication Number | Publication Date |
|---|---|
| CN214252265U true CN214252265U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022885242.7U Active CN214252265U (en) | 2020-12-04 | 2020-12-04 | Gas content basic data measuring equipment |
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| CN (1) | CN214252265U (en) |
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2020
- 2020-12-04 CN CN202022885242.7U patent/CN214252265U/en active Active
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