CN204330585U - Based on the shale gas environmental change simulation tracing device of terahertz light spectral technology - Google Patents
Based on the shale gas environmental change simulation tracing device of terahertz light spectral technology Download PDFInfo
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- CN204330585U CN204330585U CN201420722194.1U CN201420722194U CN204330585U CN 204330585 U CN204330585 U CN 204330585U CN 201420722194 U CN201420722194 U CN 201420722194U CN 204330585 U CN204330585 U CN 204330585U
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- inner bag
- terahertz light
- environmental change
- shale gas
- outer casing
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Abstract
The utility model is a kind of shale gas environmental change simulation tracing device based on terahertz light spectral technology, this device includes cylindrical outer casing and the tubular inner bag of coaxial setting, the outer circumferential walls face of tubular inner bag is wound around and is provided with resistance wire, outside resistance wire, be provided with insulating layer; The two ends of cylindrical outer casing are respectively equipped with the housing window of transmission Terahertz light wave; The two ends of tubular inner bag are respectively equipped with the inner bag window of transmission Terahertz light wave; Housing window and inner bag window are all axially arranged with one heart; The outer wall of cylindrical outer casing is provided with draft tube and escape pipe, and draft tube and escape pipe seal and conduct the inner chamber in tubular inner bag; Draft tube and escape pipe are respectively equipped with electric-air valve.This device can utilize the characteristic of terahertz pulse, allows THz wave to detect gas while environmental change, to realize utilizing tera-hertz spectra Technical Follow-Up gaseous environment to change, solves shale gas environmental change for a long time and cannot realize the synchronous difficult problem detected.
Description
Technical field
The utility model is about a kind of down-hole shale gas environmental change simulation tracing device, particularly relates to a kind of Terahertz Technology that utilizes and carries out the device of real-time tracking analysis to down-hole shale gas environmental change.
Background technology
Shale gas is as the huge energy frontier of resource potential, more and more be subject to the great attention of countries in the world, but in actual recovery process, there is very big-difference in subsurface environment and ground environment, the shale gas of underground is outward in output procedure, great changes will take place possibly for the structure of shale gas, character, composition, is difficult to catch its primitive character.Increasing research both at home and abroad focuses on this field gradually, therefore, and being changing in order to a great problem of the structure of shale gas during the change of shale compression ring border under simulation well, character, composition.
Detection at present for gas componant often adopts all kinds of detector, namely can the sensor of certain gas concentration of perception.A kind of sensor has good response for the specific gas of one, and for other gas, then sensitivity is lower even without response, and if desired the gas concentration of each composition in measurement mixed gas, then need the gas sensor of multiple correspondence to combine.If particularly wherein a certain or certain several sensor all has response to multiple gases composition time, need extra sensor as a supplement, could effectively carry out differentiating and analyzing.
The photon energy (photon energy that 1THz is corresponding is 4.14meV) that terahertz electromagnetic wave is lower, compared with X-ray diffraction technology, THz can not cause the damage of sample because of ionization.THz pulse has picosecond pulsewidth, and it can be utilized to carry out time-resolved research to various organic biomolecules.And the time frame of shale gas Middle molecule vibration is 10
-9-10
-15second, corresponding to terahertz wave band, the change of composition, molecular structure, character when therefore can catch shale gas environmental change.
Thus, the present inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes a kind of shale gas environmental change simulation tracing device based on terahertz light spectral technology, to overcome the defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of shale gas environmental change simulation tracing device based on terahertz light spectral technology, this device can utilize the characteristic of terahertz pulse, while environmental change, allow THz wave to detect gas, to realize utilizing tera-hertz spectra Technical Follow-Up gaseous environment to change, solve shale gas environmental change for a long time and cannot realize the synchronous difficult problem detected.
The purpose of this utility model realizes like this, a kind of shale gas environmental change simulation tracing device based on terahertz light spectral technology, described simulation tracing device includes cylindrical outer casing and the tubular inner bag of coaxial setting, the circumferential inner wall of described cylindrical outer casing and the outer circumferential walls of tubular inner bag have gap, the outer circumferential walls face of tubular inner bag is wound around and is provided with resistance wire, outside resistance wire, be provided with insulating layer; The two ends of described cylindrical outer casing are respectively equipped with the housing window of transmission Terahertz light wave; The two ends of described tubular inner bag are respectively equipped with the inner bag window of transmission Terahertz light wave; Described housing window and inner bag window are all axially arranged with one heart; The outer wall of described cylindrical outer casing is provided with draft tube and escape pipe, and described draft tube and escape pipe seal and conduct the inner chamber in tubular inner bag; Described draft tube and escape pipe are respectively equipped with electric-air valve.
In a better embodiment of the present utility model, described cylindrical outer casing is provided with resistance wire interface; Pressure transducer and temperature sensor is provided with in described inner bag; Described resistance wire, pressure transducer and temperature sensor are electrically connected on control device.
In a better embodiment of the present utility model, described electric-air valve is connected to described control device.
In a better embodiment of the present utility model, described simulation tracing device is provided with pressure, temperature indicating device.
From the above mentioned, the utility model is based on the shale gas environmental change simulation tracing device of terahertz light spectral technology, for THz time domain spectrum instrument provides supporting gas test device, this device can utilize the characteristic of terahertz pulse, while environmental change, allow THz wave to detect gas, to realize utilizing tera-hertz spectra Technical Follow-Up gaseous environment to change, solve shale gas environmental change for a long time and cannot realize the synchronous difficult problem detected.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: for the utility model is based on the structural representation of the shale gas environmental change simulation tracing device of terahertz light spectral technology.
Fig. 2: be the sectional structure schematic diagram of Fig. 1.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and embodiment of the present utility model is described.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of shale gas environmental change simulation tracing device 100 based on terahertz light spectral technology, described simulation tracing device 100 includes cylindrical outer casing 1 and the tubular inner bag 2 of coaxial setting, and described tubular inner bag 2 can be fixed together by multiple screw by two ends with cylindrical outer casing 1; Described tubular inner bag 2 is withstand voltage airtight container; The cylindrical shell of tubular inner bag 2 is made up of refractory metal material, the circumferential inner wall of described cylindrical outer casing 1 and the outer circumferential walls of tubular inner bag 2 have gap, the outer circumferential walls face of tubular inner bag 2 is wound around and is provided with resistance wire 3, be provided with insulating layer 4 outside resistance wire 3, insulating layer is made up of alumina silicate or refractory ceramic fibre goods; The two ends of described cylindrical outer casing 1 are respectively equipped with the housing window 11 of transmission Terahertz light wave 9, described housing window 11 can be two open-works of axially center line setting in the both ends of the surface of cylindrical outer casing 1, and the both ends of the surface that also can be made by the material (polythene material that alternative costs are relatively low) not absorbing Terahertz light wave are directly formed; The two ends of described tubular inner bag 2 are also respectively equipped with the inner bag window 21 of transmission Terahertz light wave 9, and described inner bag window 21 is that the both ends of the surface made by the material not absorbing Terahertz light wave (selecting the Tsurupica material of high temperature high voltage resistant) are directly formed; Described two housing window 11 and two inner bag windows 21 are all axially arranged with one heart; The outer wall of described cylindrical outer casing 1 is provided with draft tube 12 and escape pipe 13, and described draft tube 12 and escape pipe 13 seal and conduct the inner chamber in tubular inner bag 2, and are connected with gas cylinder and pressure control unit (not shown); Described draft tube 12 and escape pipe 13 are respectively equipped with electric-air valve 121,131; Described cylindrical outer casing 1 is provided with resistance wire interface 14,15, and described resistance wire 3 derives cylindrical outer casing 1 by resistance wire interface 14,15; Pressure transducer and temperature sensor (not shown) is provided with in described tubular inner bag 2; Described resistance wire, pressure transducer and temperature sensor are electrically connected on control device (not shown); Described electric-air valve 121,131 is also connected to this control device; Described simulation tracing device is also provided with pressure, temperature indicating device 5, shale gas environmental change in real time record inner bag, this display device not only can displays temperature pressure, can also experimentally require to set temperature required, pressure.
During use, first this shale gas environmental change simulation tracing device 100 based on terahertz light spectral technology is connected with gas cylinder, temperature control, voltage operated device, sets corresponding air pressure, temperature according to requirement of experiment; Opening power, inflates, and when gas is stabilized to and imposes a condition in tubular inner bag 2, measures terahertz time-domain spectroscopy figure (Terahertz light wave 9 is along the axis direction of cylindrical outer casing 1); Experimentally condition, accurate adjustment tubular inner bag 2 temperature or pressure, measure terahertz time-domain spectroscopy figure respectively.
From the above mentioned, the utility model is based on the shale gas environmental change simulation tracing device of terahertz light spectral technology, for THz time domain spectrum instrument provides supporting gas test device, this device can utilize the characteristic of terahertz pulse, while environmental change, allow THz wave to detect gas, to realize utilizing tera-hertz spectra Technical Follow-Up gaseous environment to change, solve shale gas environmental change for a long time and cannot realize the synchronous difficult problem detected.
The utility model tool has the following advantages:
1. down-hole shale gas environmental change and terahertz light spectral technology can be closely linked by the utility model, can Terahertz be utilized to carry out real-time follow-up monitoring in the process changing shale gas pressure and temperature.
2. the utility model is easy to use, and structure is simple, and one-piece construction considers the requirement of air seal, and light path design is simple, and the window of inner bag and shell have employed the material of unlike material, all faint to the absorption of THz wave, wherein high pressure resistant, the high temperature of internal layer window.
3. the utility model observes the gas molecule interior change process under environmental change online, with the fast dynamic processes of terahertz time-domain signal trace gas molecule at picosecond magnitude, characterized the change of shale gas subsurface environment by the power change of terahertz time-domain signal.
4. in order to the pressure needed for accurate Control release, automatic control mode is taked in gas charge and discharge, completes the accurate control to setting pressure by pressure transducer, electrically operated valve, pressure control unit.Overcome manual adjustments valve in the past and accurately can not control the shortcoming of pressure.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (4)
1. the shale gas environmental change simulation tracing device based on terahertz light spectral technology, it is characterized in that: described simulation tracing device includes cylindrical outer casing and the tubular inner bag of coaxial setting, the circumferential inner wall of described cylindrical outer casing and the outer circumferential walls of tubular inner bag have gap, the outer circumferential walls face of tubular inner bag is wound around and is provided with resistance wire, outside resistance wire, be provided with insulating layer; The two ends of described cylindrical outer casing are respectively equipped with the housing window of transmission Terahertz light wave; The two ends of described tubular inner bag are respectively equipped with the inner bag window of transmission Terahertz light wave; Described housing window and inner bag window are all axially arranged with one heart; The outer wall of described cylindrical outer casing is provided with draft tube and escape pipe, and described draft tube and escape pipe seal and conduct the inner chamber in tubular inner bag; Described draft tube and escape pipe are respectively equipped with electric-air valve.
2., as claimed in claim 1 based on the shale gas environmental change simulation tracing device of terahertz light spectral technology, it is characterized in that: described cylindrical outer casing is provided with resistance wire interface; Pressure transducer and temperature sensor is provided with in described inner bag; Described resistance wire, pressure transducer and temperature sensor are electrically connected on control device.
3., as claimed in claim 2 based on the shale gas environmental change simulation tracing device of terahertz light spectral technology, it is characterized in that: described electric-air valve is connected to described control device.
4., as claimed in claim 2 based on the shale gas environmental change simulation tracing device of terahertz light spectral technology, it is characterized in that: described simulation tracing device is provided with pressure, temperature indicating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722194.1U CN204330585U (en) | 2014-11-26 | 2014-11-26 | Based on the shale gas environmental change simulation tracing device of terahertz light spectral technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722194.1U CN204330585U (en) | 2014-11-26 | 2014-11-26 | Based on the shale gas environmental change simulation tracing device of terahertz light spectral technology |
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| Publication Number | Publication Date |
|---|---|
| CN204330585U true CN204330585U (en) | 2015-05-13 |
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ID=53166934
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420722194.1U Expired - Fee Related CN204330585U (en) | 2014-11-26 | 2014-11-26 | Based on the shale gas environmental change simulation tracing device of terahertz light spectral technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721739A (en) * | 2020-05-21 | 2020-09-29 | 中国地质科学院水文地质环境地质研究所 | Oil shale pyrolysis gas analysis device |
-
2014
- 2014-11-26 CN CN201420722194.1U patent/CN204330585U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721739A (en) * | 2020-05-21 | 2020-09-29 | 中国地质科学院水文地质环境地质研究所 | Oil shale pyrolysis gas analysis device |
| CN111721739B (en) * | 2020-05-21 | 2023-05-16 | 中国地质科学院水文地质环境地质研究所 | Oil shale pyrolysis gas analysis device |
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| 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: 20150513 Termination date: 20161126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |