CN209990484U - Giant magnetostrictive forced vibration permeability increasing system - Google Patents
Giant magnetostrictive forced vibration permeability increasing system Download PDFInfo
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- CN209990484U CN209990484U CN201920612655.2U CN201920612655U CN209990484U CN 209990484 U CN209990484 U CN 209990484U CN 201920612655 U CN201920612655 U CN 201920612655U CN 209990484 U CN209990484 U CN 209990484U
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Abstract
The utility model relates to the technical field of coal mine gas treatment and extraction, and discloses a giant magnetostrictive forced vibration permeability increasing system, which comprises an experiment cabin, wherein a coal sample clamping device is arranged in the experiment cabin; the vibration unit comprises a giant magnetostrictive vibration rod and a detector; the giant magnetostrictive vibrating rod is arranged in the experiment cabin and used for generating waves through vibration to act on the experiment coal sample; the detector is connected with the coal sample clamping device; and the adsorption and desorption unit is connected with the coal sample clamping device through a pipeline and is used for regulating and controlling the gas content and pressure in the experimental coal sample and detecting the gas desorption amount under the vibration action. The utility model discloses a design giant magnetostrictive induced vibration anti-reflection system simulation institute experimental coal sample's geological environment adopts giant magnetostrictive vibration technique, takes out the problem that the utilization ratio is low to present colliery gas, according to the gas coal seam that contains of different nature, confirms the seismic source parameter of different grade type, forms gas "incessant" anti-reflection and takes out new technology, promotes colliery gas and takes out technical level, promotes colliery safety in production.
Description
Technical Field
The utility model relates to a colliery gas is administered and is taken out and adopt technical field, in particular to giant magnetostrictive actuation forced vibration anti-reflection system.
Background
The gas permeability increase is a main technical means for ensuring the safe production of coal mines, improving the environment and improving the mining and utilizing efficiency of mine gas. The coal seam gas permeability increasing device system based on the super-magneto induced seismic source forced vibration adopts advanced super-magneto induced equipment as a seismic source, applies 'uninterrupted' forced vibration action to the coal seam, utilizes vibration waves to communicate pores and cracks of various scales in the coal seam, and simultaneously promotes the desorption of gas adsorbed in the coal seam, thereby achieving the purpose of improving the utilization rate of gas extraction.
The existing gas permeability-increasing technology and equipment have a certain effect on permeability increasing of coal mine gas, but the technical problem of gas permeability increasing is not fundamentally solved, and the defects of heavy equipment, poor construction flexibility, high cost, long permeability-increasing period, non-ideal permeability-increasing effect and the like generally exist. The mine gas extraction and utilization still face the practical problems of great extraction difficulty, low extraction concentration, great drilling engineering quantity, higher investment cost, low extraction efficiency and the like which need to be solved urgently.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the technical defects and application requirements, the application provides a giant magnetostrictive forced vibration permeability increasing system to solve the problems that the permeability increasing effect of the existing gas permeability increasing technology is not ideal, the extraction difficulty is large, the extraction concentration is low and the like.
(II) technical scheme
In order to solve the above problem, the utility model provides a giant magnetostrictive vibration forced vibration anti-reflection system, include:
the coal sample clamping device is arranged in the experiment cabin;
a vibration unit including: giant magnetostrictive vibrating rods and detectors; the giant magnetostrictive vibrator is arranged in the experiment cabin and is used for generating waves through vibration to act on an experiment coal sample containing gas; the detector is connected with the coal sample clamping device;
and the adsorption and desorption unit is connected with the coal sample clamping device through a pipeline and is used for regulating and controlling the gas content and pressure in the experimental coal sample and detecting the gas desorption amount in the experimental coal sample.
Further, the adsorption-desorption unit includes:
the standard chamber is connected with the coal sample clamping device;
the exhaust unit is connected with the standard chamber through a pipeline and is used for exhausting gas in the experimental coal sample;
the gas charging unit is connected with the standard chamber through a pipeline and is used for carrying out gas charging on the experimental coal sample;
and the gas detection unit is connected with the coal sample clamping device through a pipeline and is used for detecting the gas desorption amount in the experimental coal sample row.
Further, the exhaust unit includes: the system comprises a vacuum pump, a first valve, a first pressure gauge, a buffer and a second valve; the vacuum pump, the first valve, the first pressure gauge, the buffer, the second valve and the standard chamber are sequentially connected through pipelines.
Further, the inflation unit includes: the air source, the pressure regulating valve, the second pressure gauge and the third valve; the air source, the pressure regulating valve, the second pressure gauge, the third valve and the standard chamber are sequentially connected through pipelines.
Further, the gas detection unit includes: the gas production collecting device, a fourth valve, a gas flowmeter and a fifth valve; the gas production collecting device, the fourth valve, the gas flowmeter, the fifth valve and the coal sample clamping device are sequentially connected through pipelines.
Further, the vibration unit further includes: a super magnetic wave control device; the giant magnetic wave control device is electrically connected with the giant magnetostrictive vibrating rod and used for controlling the giant magnetostrictive vibrating rod.
Further, still include: a warm-pressure control unit;
the warm-pressure control unit includes:
the pressure control device is connected with the experiment cabin and is used for adjusting the pressure in the experiment cabin;
and the temperature control device is connected with the experiment cabin and is used for adjusting the temperature in the experiment cabin.
Further, the pressure control device includes: a booster pump and a sixth valve; the booster pump, the sixth valve and the experiment cabin are sequentially connected through a pipeline;
the temperature control device includes: the hot water tank, the liquid feeding pump, the seventh valve and the heating pipe; the hot water tank, the liquid feeding pump, the seventh valve and the heating pipe are sequentially connected through pipelines, and the heating pipe is arranged in the experiment cabin.
Furthermore, a sliding rail is arranged in the experiment chamber, and the coal sample clamping device is fixed on the experiment chamber; the giant magnetostrictive vibrating rod is movably arranged in the experiment cabin.
Furthermore, a drain hole is formed in the bottom of the experiment chamber, and a third pressure gauge and a thermometer are connected in the experiment chamber.
(III) advantageous effects
The utility model provides a super magnetic forced vibration anti-reflection system, through the geological environment that super magnetic forced vibration anti-reflection system of design simulated the experiment coal sample of adopting, adopt super magnetic vibration technique, to the problem that present colliery gas drainage utilization ratio is low, according to the gas coal seam that contains of different properties, confirm the focus parameter of different grade type, and desorption effect and coal body microcosmic crack under the effect of different vibration parameters of different coal types, hole evolution law, explore new coal seam anti-reflection mode, promote the development of colliery gas drainage technique, form gas "incessant" anti-reflection and take out new technology, promote colliery gas drainage technical level, promote colliery safety in production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a giant magnetostrictive forced vibration anti-reflection system provided in an embodiment of the present invention;
wherein, 1: an experiment cabin; 2: a vibration unit; 3: an adsorption/desorption unit; 4: a warm-pressure control unit; 11: a coal sample holding device; 12: a fixing device; 21: a giant magnetostrictive vibrating rod; 22: a detector; 23: a super magnetic wave control device; 31: a standard chamber; 301: a vacuum pump; 302: a first valve; 303: a first pressure gauge; 304: a buffer; 305: a second valve; 306: a gas source; 307: a pressure regulating valve; 308: a second pressure gauge; 309: a third valve; 310: a gas production collection device; 311: a fourth valve; 312: a gas flow meter; 313: a fifth valve; 401: a booster pump; 402: a sixth valve; 403: a hot water tank; 404: a liquid adding pump; 405: a seventh valve; 406: heating the tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a giant magnetostrictive actuation forced vibration anti-reflection system, as shown in figure 1, this giant magnetostrictive actuation forced vibration anti-reflection system includes: the experimental cabin 1, the vibration unit 2 and the adsorption and desorption unit 3. Wherein, be equipped with coal sample clamping device 11 in the experiment cabin 1 for place experiment coal sample, coal sample clamping device 11 is fixed through fixing device 12. The vibration unit 2 includes: a giant magnetostrictive vibrator 21 and a detector 22. The giant magnetostrictive vibrator 21 is arranged in the experiment chamber 1 to generate waves through vibration to act on an experiment coal sample containing gas to promote gas desorption. The detector 22 is simultaneously connected with the giant magnetostrictive vibrator 21 and the coal sample clamping device 11 respectively to detect the effect of the vibration waves in the experimental coal sample. The adsorption and desorption unit 3 is connected with the coal sample clamping device 11 through a pipeline and is used for regulating and controlling the gas content and pressure in the experimental coal sample and detecting the gas desorption amount in the experimental coal sample.
The working process is as follows: the method comprises the steps of firstly detecting the sealing performance of the giant magnetostrictive forced vibration permeability-increasing system and the communication performance of various pipelines, and ensuring the complete sealing of the system and the smooth communication of various pipelines. An experimental coal sample, for example, an experimental coal sample having a standard of 10cm × 10cm × 20cm is prepared. Put into coal sample clamping device 11 with the experiment coal sample, carry out the evacuation with absorption desorption unit 3, carry out the degasification operation to the experiment coal sample, carry out gas inflation to the experiment coal sample after that, make the experiment coal sample reach gas adsorption balance under experiment temperature and pressure. The vibration unit 2 is adjusted, the excitation parameters (amplitude, frequency and the like) of the giant magnetostrictive vibration rod 21 are controlled, the gas desorption quantity is measured through the adsorption and desorption unit 3, and the vibration wave propagation condition in the experimental coal sample is detected through the wave detector 22. The steps are repeated, so that the desorption effect and the coal body micro-fracture and pore evolution rule of different coal types under the influence of different vibration parameters can be completed, a new coal bed permeability increasing mode is explored, and the development of the coal mine gas extraction technology is promoted.
The embodiment of the utility model provides a giant magnetostrictive induced forced vibration anti-reflection system, through the geological environment that design giant magnetostrictive induced forced vibration anti-reflection system comes simulation institute to adopt experimental coal appearance, adopt giant magnetostrictive vibration technique, to the problem that present colliery gas drainage utilization ratio is low, according to the gas coal seam that contains of different properties, confirm the focus parameter of different grade type, and desorption effect and coal body microcosmic fracture under the influence of different vibration parameter effects of different coal types, the pore evolution law, explore new coal seam anti-reflection mode, promote the development of colliery gas drainage technique, form gas "incessant" anti-reflection new technology of adopting, promote colliery gas drainage technical level, promote coal mine safety in production.
In one embodiment according to the present invention, as shown in fig. 1, the adsorption/desorption unit 3 includes: a standard cell 31, a vent unit, an inflator unit, and a gas detection unit. The standard chamber 31 is connected to the coal sample holding device 11. The exhaust unit is connected with the standard chamber 31 through a pipeline and is used for exhausting gas in the experimental coal sample. The gas charging unit is connected with the standard chamber 31 through a pipeline and is used for gas charging of the experimental coal sample. That is, the gas discharge unit and the gas charging unit are connected to the standard chamber 31, the standard chamber 31 serves as an intermediate communication chamber, the coal sample holding device 11 is communicated with other units, and the gas content pressure in the experimental coal sample is controlled by adjusting the standard chamber 31. The gas detection unit is connected with the coal sample clamping device 11 through a pipeline and is used for detecting the gas desorption amount in the experimental coal sample row.
Wherein, the exhaust unit includes: a vacuum pump 301, a first valve 302, a first pressure gauge 303, a buffer 304 and a second valve 305. The vacuum pump 301, the first valve 302, the first pressure gauge 303, the buffer 304, the second valve 305, and the standard chamber 31 are connected in sequence by piping. The gas content in the standard chamber 31 can be controlled by adjusting the vacuum pump 301, the buffer 304, the first valve 302 and the second valve 305, and monitoring the first pressure gauge 303, so as to control the gas content and the pressure in the experimental coal sample.
Wherein, the inflation unit includes: a gas source 306, a pressure regulating valve 307, a second pressure gauge 308, and a third valve 309. The gas source 306, the pressure regulating valve 307, the second pressure gauge 308, the third valve 309 and the standard chamber 31 are connected in sequence by pipelines. Similarly, the gas content and pressure in the experimental coal sample can be controlled by adjusting the gas source 306, the pressure regulating valve 307 and the third valve 309, and monitoring the second pressure gauge 308, so as to control the gas content and pressure in the standard chamber 31.
Wherein, gaseous detecting element includes: gas production collection device 310, fourth valve 311, gas flowmeter 312 and fifth valve 313. The gas production collecting device 310, the fourth valve 311, the gas flowmeter 312, the fifth valve 313 and the coal sample clamping device 11 are sequentially connected through a pipeline, so that the desorption amount of gas in the experimental coal sample can be measured.
Wherein the vibration unit 2 further includes: and a super magnetic wave control device 23. The giant magnetic wave control device 23 is electrically connected to the giant magnetic vibration rod 21 and is used for controlling the giant magnetic vibration rod 21.
The working process is as follows: the method comprises the steps of firstly detecting the sealing performance of the giant magnetostrictive forced vibration permeability-increasing system and the communication performance of various pipelines, and ensuring the complete sealing of the system and the smooth communication of various pipelines. An experimental coal sample is prepared and placed in the coal sample holding device 11. The method comprises the steps of vacuumizing by using an exhaust unit, degassing the experimental coal sample, opening a first valve 302 and a second valve 305, starting a vacuum pump 301 and a buffer 304, observing the pressure by using a first pressure gauge 303, and closing the vacuum pump 301, the buffer 304, the first valve 302 and the second valve 305 after the preset value is reached. And then, gas is filled into the experimental coal sample through the gas filling unit, the third valve 309 is opened, the opening degree of the pressure regulating valve 307 is adjusted, and the gas in the gas source 306 is controlled to enter the standard chamber 31, so that the experimental coal sample reaches the gas adsorption balance under the experimental temperature and pressure. Excitation parameters of the giant magnetostrictive vibration rod 21 are controlled by a giant magnetostrictive wave control device 23, the gas desorption quantity is measured by a gas detection unit, and the propagation condition of vibration waves in the experimental coal sample is detected by a wave detector 22. The steps are repeated, so that the desorption effect and the coal body micro-fracture and pore evolution rule of different coal types under the influence of different vibration parameters can be completed, a new coal bed permeability increasing mode is explored, and the development of the coal mine gas extraction technology is promoted.
In an embodiment according to the present invention, as shown in fig. 1, the giant magnetostrictive vibration anti-reflection system further includes: and a warm-pressure control unit 4. The warm-pressure control unit 4 includes: a pressure control device and a temperature control device. The pressure control device is connected with the experiment chamber 1 and is used for adjusting the pressure in the experiment chamber 1. The temperature control device is connected with the experiment cabin 1 and is used for adjusting the temperature in the experiment cabin 1. Meanwhile, a third pressure gauge and a thermometer are connected in the experiment chamber 1 for measuring the temperature and the pressure in the experiment chamber 1 in real time.
Wherein, pressure control device includes: a booster pump 401 and a sixth valve 402. The booster pump 401, the sixth valve 402 and the experiment chamber 1 are sequentially connected through a pipeline. The pressure in the experiment chamber 1 can be adjusted by the booster pump 401.
Wherein, temperature control device includes: a hot water tank 403, a charge pump 404, a seventh valve 405 and a heating pipe 406. The hot water tank 403, the charging pump 404, the seventh valve 405 and the heating pipe 406 are sequentially connected through a pipeline, the heating pipe 406 is arranged in the experiment chamber 1, and the temperature in the experiment chamber 1 can be controlled by adjusting the temperature of the heating pipe 406 through the hot water tank 403, the charging pump 404 and the seventh valve 405.
The working process is as follows: the method comprises the steps of firstly detecting the sealing performance of the giant magnetostrictive forced vibration permeability-increasing system and the communication performance of various pipelines, and ensuring the complete sealing of the system and the smooth communication of various pipelines. The temperature and the pressure in the experiment chamber 1 are measured, if the experiment environment in the experiment chamber 1 is different from the geological environment of the coal sample to be sampled, the pressure in the experiment chamber 1 can be controlled by adjusting the booster pump 401 and the sixth valve 402, and the pressure in the experiment chamber 1 can be controlled by adjusting the hot water tank 403, the liquid adding pump 404 and the seventh valve 405, so that the experiment environment is similar to the geological environment of the coal sample to be sampled. Then, the experimental coal sample is prepared and put into the coal sample holding device 11. Vacuumizing by using an exhaust unit, degassing the experimental coal sample, opening a first valve 302 and a second valve 305, starting a vacuum pump 301 and a buffer 304, observing the pressure by using a first pressure gauge 303, and closing the vacuum pump 301, the buffer 304, the first valve 302 and the second valve 305 after the pressure reaches a preset value. And then, gas is filled into the experimental coal sample through the gas filling unit, the third valve 309 is opened, the opening degree of the pressure regulating valve 307 is adjusted, and the gas in the gas source 306 is controlled to enter the standard chamber 31, so that the experimental coal sample reaches the gas adsorption balance under the experimental temperature and pressure. Excitation parameters of the giant magnetostrictive vibration rod 21 are controlled by a giant magnetostrictive wave control device 23, the gas desorption quantity is measured by a gas detection unit, and the propagation condition of vibration waves in the experimental coal sample is detected by a wave detector 22. The steps are repeated, so that the desorption effect and the coal body micro crack and pore evolution rule under the influence of different vibration parameters of different coal types under different temperature and pressure conditions can be completed, a new coal bed permeability increasing mode is explored, and the development of the coal mine gas extraction technology is promoted.
Different from the above embodiments, in the embodiment, the temperature and pressure control unit is additionally arranged to ensure that the experimental environment in the experimental cabin is the same as the geological environment of the coal sample to be extracted, so as to ensure the accuracy of the experiment, and meanwhile, the desorption effect and the coal body micro fracture and pore evolution rule of different coal types under the influence of different vibration parameters under different temperature and pressure conditions can be completed, a new coal bed permeability increasing mode is explored, and the development of the coal mine gas extraction technology is promoted.
In an embodiment according to the present invention, as shown in fig. 1, in order to simulate the effect of the vibration effect on the permeability-increasing parameters of the experimental coal sample gas within different distance ranges, in this embodiment, the giant magnetostrictive vibrating rod 21 is movably disposed in the experimental chamber 1.
In this embodiment, a drain hole is provided at the bottom of the experiment chamber 1. The drain hole is generally arranged at the bottommost position of the bottom of the experiment chamber 1 so as to completely drain the high-pressure water of the experiment chamber 1 and restore the normal pressure environment. .
In addition, in order to facilitate the control of the whole giant magnetostrictive vibration anti-reflection system, a measurement and control unit can be arranged in the giant magnetostrictive vibration anti-reflection system, and the measurement and control unit mainly comprises: the whole giant magnetostrictive forced vibration anti-reflection system is controlled by a computer and related software, a data connecting line, a display instrument and other equipment through a measurement and control unit so as to simplify the experimental process.
To sum up, the super-magnetic forced vibration permeability increasing system that the embodiment of the utility model provided simulates the geological environment of the experimental coal sample of adopting through designing super-magnetic forced vibration permeability increasing system, adopts super-magnetic vibration technology, to the problem that present colliery gas drainage utilization ratio is low, according to the gas-containing coal seam of different properties, confirms the focus parameter of different grade type to and desorption effect and the coal body microcosmic crack, the pore evolution law of different coal types under the influence of different vibration parameter effects, explore new permeability increasing mode, promote the development of colliery gas drainage technology, form the new technology of gas "incessant" permeability increasing drainage, promote colliery gas drainage technical level, promote coal mine safety in production.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A giant forced vibration anti-reflection system, comprising:
the coal sample clamping device is arranged in the experiment cabin;
a vibration unit including: giant magnetostrictive vibrating rods and detectors; the giant magnetostrictive vibrator is arranged in the experiment cabin and is used for generating waves through vibration to act on an experiment coal sample containing gas; the detector is connected with the coal sample clamping device;
and the adsorption and desorption unit is connected with the coal sample clamping device through a pipeline and is used for regulating and controlling the gas content and pressure in the experimental coal sample and detecting the gas desorption amount in the experimental coal sample.
2. The system of claim 1, wherein the adsorption desorption unit comprises:
the standard chamber is connected with the coal sample clamping device;
the exhaust unit is connected with the standard chamber through a pipeline and is used for exhausting gas in the experimental coal sample;
the gas charging unit is connected with the standard chamber through a pipeline and is used for carrying out gas charging on the experimental coal sample;
and the gas detection unit is connected with the coal sample clamping device through a pipeline and is used for detecting the gas desorption amount in the experimental coal sample row.
3. The system of claim 2, wherein the exhaust unit comprises: the system comprises a vacuum pump, a first valve, a first pressure gauge, a buffer and a second valve; the vacuum pump, the first valve, the first pressure gauge, the buffer, the second valve and the standard chamber are sequentially connected through pipelines.
4. The system of claim 2, wherein the gas cell comprises: the air source, the pressure regulating valve, the second pressure gauge and the third valve; the air source, the pressure regulating valve, the second pressure gauge, the third valve and the standard chamber are sequentially connected through pipelines.
5. The system of claim 2, wherein the gas detection unit comprises: the gas production collecting device, a fourth valve, a gas flowmeter and a fifth valve; the gas production collecting device, the fourth valve, the gas flowmeter, the fifth valve and the coal sample clamping device are sequentially connected through pipelines.
6. The giant magnetostrictive system according to claim 1, wherein the vibration unit further comprises: a super magnetic wave control device; the giant magnetic wave control device is electrically connected with the giant magnetostrictive vibrating rod and used for controlling the giant magnetostrictive vibrating rod.
7. The giant magnetostrictive system according to claim 1, further comprising: a warm-pressure control unit;
the warm-pressure control unit includes:
the pressure control device is connected with the experiment cabin and is used for adjusting the pressure in the experiment cabin;
and the temperature control device is connected with the experiment cabin and is used for adjusting the temperature in the experiment cabin.
8. A giant magnetostrictive system according to claim 7, wherein the pressure control means comprises: a booster pump and a sixth valve; the booster pump, the sixth valve and the experiment cabin are sequentially connected through a pipeline;
the temperature control device includes: the hot water tank, the liquid feeding pump, the seventh valve and the heating pipe; the hot water tank, the liquid feeding pump, the seventh valve and the heating pipe are sequentially connected through a pipeline, and the heating pipe is arranged in the experiment cabin.
9. The system of claim 1, wherein the coal sample holding device is fixed in a laboratory; the giant magnetostrictive vibrating rod is movably arranged in the experiment cabin.
10. The system of claim 1, wherein a drain hole is formed in the bottom of the chamber, and a third pressure gauge and a thermometer are connected to the chamber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029978A (en) * | 2019-04-29 | 2019-07-19 | 中国煤炭地质总局勘查研究总院 | A kind of super anti-reflection system of mangneto forced vibration |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029978A (en) * | 2019-04-29 | 2019-07-19 | 中国煤炭地质总局勘查研究总院 | A kind of super anti-reflection system of mangneto forced vibration |
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