CN102954977B - A kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus - Google Patents
A kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus Download PDFInfo
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- CN102954977B CN102954977B CN201210452296.1A CN201210452296A CN102954977B CN 102954977 B CN102954977 B CN 102954977B CN 201210452296 A CN201210452296 A CN 201210452296A CN 102954977 B CN102954977 B CN 102954977B
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Abstract
<b> the invention discloses a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it comprises the probe pipe that porous medium sample is equipped with in inside, a vacuum pump is connected with above described probe pipe, be connected with tank and saturation device and heating arrangement below described probe pipe, described tank and saturation device are by carrying water vapor in probe pipe after heating devices heat; The sample of probe pipe inside can vacuumize by described vacuum pump, thus clears up the air of sample pore interior, liquid, impurity; The present invention, compared with traditional core magnetic resonance rock core pick-up unit, solves the problem of sample micropore desaturation by saturated vapor; The design that the present invention is saturated, heating, vacuum plant are connected with probe, in guarantee experimentation, the temperature of sample and sealing state, improve nuclear magnetic resonance to the accuracy of detection of core sample and accuracy.</b>
Description
Technical field
The present invention relates to a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus.
Background technology
Coal petrographys etc. are by the porous medium of various organic matter, inorganic mineral and hole cranny structure, when the factor of porosity, permeability, saturation degree and the distribution of pores situation that adopt magnetic nuclear resonance method to study wherein, need to adopt and conventional magnetic resonance spectroscopy analysis and imaging analysis difference method.Because sample itself does not produce nuclear magnetic signal, the gas in sample hole, liquid and impurity must be found time by experimenter, and inject distilled water and seal, and after completing above pre-treatment step, just can obtain reliable experimental data.
But coal petrography sample is oozed for low hole, conventional full water device is difficult to even can not enter in sample mesoporosity, causes full water incomplete.This can cause the decline of magnetic resonance detection precision.
The present invention recognizes the drawback of above traditional means and equipment, therefore adopts method sample being continued online to saturated vapor, to realizing optimum detection effect.
Summary of the invention
The present invention seeks to: provide a kind of and the saturated nuclear magnetic resonance apparatus probe corollary apparatus of water vapour is carried out to porous medium.
Technical scheme of the present invention is: a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it comprises the probe pipe that porous medium sample is equipped with in inside, a vacuum pump is connected with above described probe pipe, be connected with tank and saturation device and heating arrangement below described probe pipe, described tank and saturation device are by carrying water vapor in probe pipe after heating devices heat.
Preferably, described vacuum pump vacuumizes outlet conduit by gas and manages be connected with probe, described gas vacuumizes outlet conduit and stretches into probe Guan Zhongyu sample and be connected, and the sample of probe pipe inside can vacuumize by vacuum pump, thus clears up the air of sample pore interior, liquid, impurity.
Preferably, described probe pipe is built with organic glass packing material, and sample is being popped one's head in by organic glass packing material fixed position in pipe, and ensures the impermeability in probe pipe, and described probe pipe outer wall is made up of the vacuum insulation polyfoam with effect of heat insulation.
Preferably, vacuumize on outlet conduit at the gas between described vacuum pump and described probe pipe and be provided with the first airtight operation valve, probe pipe inside is provided with temperature, pressure transducer, described heating arrangement is connected to below probe pipe by water back, described water back is through tank and saturation device, described tank and saturation device are connected to below probe pipe by the saturated inlet duct of gas, the saturated inlet duct of described gas stretches into probe pipe bottom and is connected with sample, and the saturated inlet duct of described gas is provided with the second airtight operation valve.
Preferably, described heating arrangement is heated tank and saturation device by water back, the water vapor produced after tank and saturation device are heated is transported in probe pipe by the saturated inlet duct of gas, and described heating arrangement can be maintained by the temperature of water back to probe pipe.
Preferably, described probe pipe outer wall is made up of the vacuum insulation polyfoam with effect of heat insulation.
Advantage of the present invention is:
1. the present invention is compared with traditional core magnetic resonance rock core pick-up unit, is solved the problem of sample micropore desaturation by saturated vapor.
2. saturated, the heating of the present invention, the design that is connected with probe of vacuum plant, in guarantee experimentation, the temperature of sample and sealing state, improve nuclear magnetic resonance to the accuracy of detection of core sample and accuracy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the nmr probe corollary apparatus connection diagram of saturated steam;
Fig. 2 is workflow diagram of the present invention.
Wherein: 1, vacuum pump; 2, the first airtight operation valve; 3, permanent magnet; 4, magnetic body module shell; 5, probe pipe outer wall; 6, organic glass packing material; 7, core sample; 8, the second airtight operation valve; 9, tank and saturation device; 10, heating arrangement; 11, the saturated inlet duct of gas; 12, gas vacuumizes outlet conduit; 13, water back; 14, temperature, pressure transducer.
Embodiment
Embodiment: as shown in Figure 1, the present invention includes probe pipe, vacuum pump 1, tank and saturation device 9 and heating arrangement 10, also comprises the airway passage connecting each module, and airtight valve and temperature, pressure transducer; But do not comprise permanent magnet 3, magnetic body module shell 4 and the core sample 7 as detected object of continuing to use nuclear magnetic resonance apparatus.
Probe pipe outer wall 5 selects vacuum insulation polyfoam.
The first airtight operation valve 2 is provided with between probe pipe and vacuum pump 1; The saturated inlet duct of described gas 11 is provided with the second airtight operation valve 8, is provided with temperature, pressure transducer 14 in probe pipe, in order to ensure that probe pipe internal pressure and temperature meet requirement of experiment.
The principle of work of the present embodiment is as follows:
Before experiment, core sample 7 by organic glass packing material 6 fixed position, ensures the impermeability in probe pipe in sample hose.In experiment utilization process, first, open the first airtight operation valve 2 of gas outlet, close the second airtight operation valve 8 at gas access place; Vacuum pump 1 is used to vacuumize in probe pipe; Secondly, open the second airtight operation valve 8 at gas access place, close the first airtight operation valve 2 of gas outlet, heating arrangement 10 is used to make the distilled water in tank and saturation device 9 vaporize, and water vapor is poured in sample hose by the saturated inlet duct 11 of gas, the temperature in the probe pipe obtained by temperature, pressure transducer 14 and pressure determine whether the water vapor in sample 7 gap reaches capacity.After the water vapour in sample 7 gap reaches capacity, again close the second airtight operation valve 8 at gas access place, heating arrangement 10, by heating water back 13, allows heat by tube metal heat conducting mode, the temperature of probe pipe be maintained; Nuclear magnetic resonance apparatus is used to carry out signals collecting to sample 7; Finally, open the first airtight operation valve 2 of gas outlet, experimentally require to repeat said process.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (5)
1. one kind is carried out the saturated nuclear magnetic resonance apparatus probe corollary apparatus of water vapour to porous medium, it is characterized in that: it comprises the probe pipe that porous medium sample (7) is equipped with in inside, a vacuum pump (1) is connected with above described probe pipe, be connected with tank and saturation device (9) and heating arrangement (10) below described probe pipe, after described tank and saturation device (9) are heated by heating arrangement (10), conveying water vapor is to popping one's head in pipe, vacuumize on outlet conduit (12) and be provided with the first airtight operation valve (2) being positioned at the gas between described vacuum pump (1) and described probe pipe, probe pipe inside is provided with temperature, pressure transducer (14), described heating arrangement (10) is connected to below probe pipe by water back (13), described water back (13) is through tank and saturation device (9), described tank and saturation device (9) are connected to below probe pipe by the saturated inlet duct of gas (11), the saturated inlet duct of described gas (11) stretches into probe pipe bottom and is connected with sample (7), the saturated inlet duct of described gas (11) is provided with the second airtight operation valve (8).
2. according to claim 1 a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it is characterized in that: described vacuum pump (1) vacuumizes outlet conduit (12) by gas and manages be connected with probe, described gas vacuumize outlet conduit (12) stretch into probe Guan Zhongyu sample (7) be connected, the sample (7) of probe pipe inside vacuumizes by vacuum pump (1), thus clears up the air of sample (7) pore interior, liquid, impurity.
3. according to claim 1 a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it is characterized in that: described probe pipe is built with organic glass packing material (6), sample (7) is being popped one's head in pipe by organic glass packing material (6) fixed position, and ensureing the impermeability in probe pipe, probe pipe outer wall is made up of the vacuum insulation polyfoam with effect of heat insulation.
4. according to claim 1 a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it is characterized in that: described heating arrangement (10) is heated tank and saturation device (9) by water back (13), the water vapor produced after tank and saturation device (9) are heated is transported in probe pipe by the saturated inlet duct of gas (11), and described heating arrangement (10) is maintained by the temperature of water back (13) to probe pipe.
5. according to claim 1 a kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus, it is characterized in that: probe pipe outer wall (5) be made up of the vacuum insulation polyfoam with effect of heat insulation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210452296.1A CN102954977B (en) | 2012-11-13 | 2012-11-13 | A kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210452296.1A CN102954977B (en) | 2012-11-13 | 2012-11-13 | A kind of to porous medium carry out water vapour saturated nuclear magnetic resonance apparatus probe corollary apparatus |
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| CN102954977A CN102954977A (en) | 2013-03-06 |
| CN102954977B true CN102954977B (en) | 2016-02-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103344354B (en) * | 2013-07-01 | 2015-10-28 | 大连理工大学 | A kind of In-porous-medium fluid temperature visualization measurement mechanism |
| CN103776490B (en) * | 2014-01-13 | 2016-03-02 | 大连理工大学 | The MR imaging method of a kind of porous medium fluid velocity inside and temperature synchro measure |
| CN105973314B (en) * | 2016-07-14 | 2017-12-22 | 河海大学 | Porous media saturation unsaturation measuring system and method under surface water SEA LEVEL VARIATION |
| CN106525887A (en) * | 2016-09-22 | 2017-03-22 | 大连工业大学 | Temperature-changeable low-field nuclear magnetic resonance detecting device |
| CN109540957A (en) * | 2018-12-29 | 2019-03-29 | 北京泓泰天诚科技有限公司 | A kind of Permanent magnetic MR spectrometer |
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| CN202196178U (en) * | 2011-07-29 | 2012-04-18 | 中国海洋石油总公司 | Basket for NMR imaging instrument |
| CN102680373A (en) * | 2012-05-23 | 2012-09-19 | 辽宁工程技术大学 | Double-purpose vapor and electric-heating three-shaft desorption and permeation test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7576538B2 (en) * | 2006-03-14 | 2009-08-18 | Thomas Meersmann | Nuclear electric quadrupolar properties of hyperpolarized gases to probe surfaces and interfaces |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196178U (en) * | 2011-07-29 | 2012-04-18 | 中国海洋石油总公司 | Basket for NMR imaging instrument |
| CN102680373A (en) * | 2012-05-23 | 2012-09-19 | 辽宁工程技术大学 | Double-purpose vapor and electric-heating three-shaft desorption and permeation test device |
Non-Patent Citations (1)
| Title |
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| 煤体结构及渗流特性的核磁共振成像实验研究;石强;《CNKI优秀硕士学位论文全文库工程科技Ⅰ辑》;20060615(第6期);第B021-9页 * |
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Address after: 100000 Haidian District, Xueyuan Road, No. 29, Patentee after: China University of Geosciences (Beijing) Patentee after: SUZHOU NIUMAG ELECTRONIC TECHNOLOGY CO., LTD. Address before: 100000 Haidian District, Xueyuan Road, No. 29, Patentee before: China University of Geosciences (Beijing) Patentee before: Suzhou Niumai Electronics Co., Ltd. |
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Granted publication date: 20160203 Termination date: 20161113 |