CN104407649A - Temperature control pressurization device for natural gas hydrate crystal growth optical observation - Google Patents
Temperature control pressurization device for natural gas hydrate crystal growth optical observation Download PDFInfo
- Publication number
- CN104407649A CN104407649A CN201410606200.1A CN201410606200A CN104407649A CN 104407649 A CN104407649 A CN 104407649A CN 201410606200 A CN201410606200 A CN 201410606200A CN 104407649 A CN104407649 A CN 104407649A
- Authority
- CN
- China
- Prior art keywords
- gas hydrate
- stage body
- hollow structure
- temperature
- temperature control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a temperature control pressurization device for natural gas hydrate crystal growth optical observation, belongs to the new energy and new material field, solves temperature and pressure control problems in the natural gas hydrate crystal growth optical observation process, and realizes natural gas hydrate crystal in-situ growth optical observation researches. According to the temperature control pressurization device, a natural gas hydrate sample can be disposed on a sample table, in-situ generation and decomposition of the natural gas hydrate are carried out, temperature and pressure data and microscope images can be connected with a computer terminal through a line, and temperature and pressure program control and image editing can be realized. The temperature control pressurization device has a novel structure design, an end cover is convenient to open and close, sample replacement is easy, and the temperature control pressurization device has wide application prospects in aspects of natural gas hydrate in-situ generation and decomposition and the crystal growth optical observation researches.
Description
Technical field
The present invention relates to a kind of temperature control pressue device for the optical observation of gas hydrate crystal growth, belong to energy scientific research Instrument technology field.
Background technology
Gas hydrate worldwide extensively exist, and this point has obtained generally acknowledging of numerous researchers.Equally, in China, gas hydrate reserves are also very huge, strengthen gas hydrate study and are exploitation China 21st century new forms of energy, improve the important channel of energy structure, enhancing overall national strength and international competitiveness, guarantee economic security.
Current gas hydrate study, pays attention to hydrate macroscopic property and physical property Quality Research more, seldom has dynamic microexamination hydrate being generated to Sum decomposition process.The generation Sum decomposition of hydrate is exactly in fact the generation Sum decomposition process of crystal, and carrying out optical observation for gas hydrate crystal growth is a kind of well research means.This hydrate microscopic research is belonged to the research of crystal aspect.This often need use microscope and carry out the structure change that observational study hydrate generates crystal in decomposable process.The observation objective table of tradition lacks the control of the temperature, pressure to environment residing for sample, has a lot of inconvenience to the dynamic observational study of hydrate.
Summary of the invention
In order to solve Problems existing in above-mentioned gas hydrate study, the invention provides the temperature control pressue device of a kind of gas hydrate crystal growth optical observation, the crystal optics observational study under its object is to facilitate gas hydrate steady state (SS) and in dynamic decomposition process.
The technical solution used in the present invention is:
For a temperature control pressue device for gas hydrate crystal growth optical observation, comprise end cap, form, sample stage, coolant entrance, gas access, heating rod, pressure transducer, temperature sensor, gas vent, coolant outlet, cylindric stage body and resistance wire.Wherein cylindric stage body is hollow structure, hollow structure centre bit be equipped with cylindric stage body bottom the cylindrical sample platform that is connected, coolant channel is provided with in stage body, cooling medium flows through in passage, to reduce the temperature in cavity, between coolant entrance and outlet, have five ducts and pass into hollow structure inside, gas access respectively, heating rod mounting hole, pressure transducer mounting hole, temperature sensor fixing hole and gas vent, gas enters from gas access, flow out from gas vent, control the pressure of gas hydrate sample, resistance wire is installed around sample stage be connected with heating rod, sample is heated, pressure transducer detects the pressure of gas hydrate sample, temperature sensor detects the temperature of gas hydrate sample, cylindric stage body top is provided with form and end cap, the light path that form is used for optical observation is passed through, end cap is used for fixing form, by turning on end cap, and take off glass vision panel, gas hydrate sample can be put into, and carry out in-situ preparation and the decomposition of gas hydrate, all registrations and MIcrosope image by connection on terminal, the programmed control of temperature and pressure and the editor of image can be realized.
Beneficial effect of the present invention
1) dynamic in-situ research is realized: this device is placed on microscope stage, design pressure position 0 ~ 10MPa, design temperature is-30 ~ 20 DEG C, can carry out generating to gas hydrate and the process such as decompose and carry out original position gas hydrate crystal optics observational study;
2) adopt gases at high pressure pressure control in center cavity, utilize circulating coolant to lower the temperature, adopt heating rod and Resistant heating, and temperature program(me) control can be realized by calculating and programming terminal;
3) end cap and shell adopt stainless steel material, temperature and pressure requirements in energy assurance device, and form adopts sapphire to make, and can meet pressure requirements, and transparency is good, on observation substantially without impact;
4) structure is simple, and be easy to processing and manufacture, project organization is compact, can reuse, and experimentation is convenient and simple for operation to be suitable for.
Accompanying drawing explanation
Fig. 1 is temperature control pressue device wiring layout of the present invention.
Fig. 2 is temperature control pressue device vertical view of the present invention.
Fig. 3 is A-A sectional structure chart in Fig. 2 and B-B sectional structure chart.
In figure: 1 end cap; 2 forms; 3 sample stages; 4 coolant entrances; 5 gas accesses; 6 heating rods; 7 pressure transducers; 8 temperature sensors; 9 gas vents; 10 coolant outlets; 11 cylindric stage bodies; 12 resistance wires.
Embodiment
There is shown a kind of temperature control pressue device for the optical observation of gas hydrate crystal growth.The cylindric stage body of this device has center cavity, and center cavity center is provided with sample stage; There is coolant channel cylindric stage body inside, and stage body sidewall coolant entrance is connected with coolant channel with coolant outlet, can be connected to cooling medium storage device, to change center cavity temperature.In center cavity, be provided with the resistance wire be connected with heating rod around sample stage, can heat sample.The temperature sensor stretching into center cavity inside from cylindric stage body sidewall detects and FEEDBACK CONTROL temperature.Cylindric stage body sidewall is provided with and passes into gas access in center cavity and outlet, connects the pressure of gases at high pressure control center cavity, and the pressure transducer stretched in center cavity from cylindric stage body sidewall detects and feedback controlled pressure.
Utilize the experimental procedure of above-mentioned gas hydrate device as follows:
The first step, takes off end cap and the form of device, by the sample stage of gas hydrate sample embedding device center cavity, again builds airtight;
Second step, puts into microscope stage by this device, finds the gas hydrate sample for surveying in field of microscope;
3rd step, according to the needs of actual experiment, passes into cooling medium to peripheral channel during cooling, the power supply of several barrels of heating rods during heating, and gas inlet and outlet connects the gas of required pressure, passes into gas;
4th step, in a computer set temperature control program in terminal, observe temperature and pressure until when temperature, pressure all reaches and is stabilized in desirable value, realizes temperature program(me) change, can start experiment by temperature control program;
5th step, by regulating microscopical various parameter and field range, observing crystal change in the generation Sum decomposition process of gas hydrate, obtaining best observed image on computer terminals, and carrying out seizure preservation to image.
Claims (2)
1. the temperature control pressue device for the optical observation of gas hydrate crystal growth, it is characterized in that, this temperature control pressue device comprises end cap (1), form (2), sample stage (3), coolant entrance (4), gas access (5), heating rod (6), pressure transducer (7), temperature sensor (8), gas vent (9), coolant outlet (10), cylindric stage body (11) and resistance wire (12); It is characterized in that, described stage body (11) and end cap (1) form hollow structure, are provided with sample stage (3) in hollow structure; End cap (1) is arranged on the top of stage body, and center is fixed with the form (2) observing sample variation situation; Coolant entrance (4) and coolant outlet (10) are all positioned on the outside of cylindric stage body (11), coolant channel is around the center of circle of cylindric stage body (11) through stage body, cooling medium flows through in passage, to reduce the temperature of hollow structure; The lateral wall of cylindric stage body (11) is provided with gas access (5) and gas vent (9), gas access (5) is used for connecting gases at high pressure, and circulation gases at high pressure enter hollow structure from gas access (5); When the internal pressure of hollow structure is greater than set pressure, excessive gas is discharged from gas vent (9); Be provided with the resistance wire (12) connecting heating rod (6) around sample stage (3), sample is heated; The pressure transducer (7) of hollow structure is stretched into, for detecting the pressure in hollow structure from cylindric stage body (11) sidewall; The temperature sensor (8) of hollow structure is stretched into, for detecting the temperature in hollow structure from cylindric stage body (11) sidewall.
2. temperature control pressue device according to claim 1, is characterized in that, end cap (1) and cylindric stage body (11) adopt stainless steel material to make, and described form (2) adopts sapphire material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606200.1A CN104407649B (en) | 2014-10-31 | 2014-10-31 | A kind of temperature control pressue device for gas hydrates crystal growth optical observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606200.1A CN104407649B (en) | 2014-10-31 | 2014-10-31 | A kind of temperature control pressue device for gas hydrates crystal growth optical observation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104407649A true CN104407649A (en) | 2015-03-11 |
| CN104407649B CN104407649B (en) | 2016-07-27 |
Family
ID=52645287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410606200.1A Active CN104407649B (en) | 2014-10-31 | 2014-10-31 | A kind of temperature control pressue device for gas hydrates crystal growth optical observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104407649B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478468A (en) * | 2017-05-24 | 2017-12-15 | 北京美嘉图科技有限公司 | Microcell sampling instrument annex |
| CN107643370A (en) * | 2017-11-02 | 2018-01-30 | 海南大学 | Minitype high voltage original position gas hydrate comprehensive experimental device |
| CN108646038A (en) * | 2018-04-17 | 2018-10-12 | 中国地质大学（武汉） | A kind of temperature-control pressure-control sample stage and temperature and pressure control system |
| CN111044555A (en) * | 2019-12-24 | 2020-04-21 | 大连理工大学 | Experimental method for capturing full-period form of gas hydrate crystal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699258A (en) * | 2009-10-23 | 2010-04-28 | 中国科学院力学研究所 | Device and method thereof for testing synthesis and decomposition parameters of hydrate sediment |
| CN102053081A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | High-pressure temperature control experiment device for micro laser-Raman spectrum |
| US20120082590A1 (en) * | 2010-10-05 | 2012-04-05 | Korea Institute Of Industrial Technology | Gas hydrate reactor comprising thermoelectric module |
-
2014
- 2014-10-31 CN CN201410606200.1A patent/CN104407649B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699258A (en) * | 2009-10-23 | 2010-04-28 | 中国科学院力学研究所 | Device and method thereof for testing synthesis and decomposition parameters of hydrate sediment |
| CN102053081A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | High-pressure temperature control experiment device for micro laser-Raman spectrum |
| US20120082590A1 (en) * | 2010-10-05 | 2012-04-05 | Korea Institute Of Industrial Technology | Gas hydrate reactor comprising thermoelectric module |
Non-Patent Citations (2)
| Title |
|---|
| 姚蕾等: ""天然气水合物实验检测与分析技术"", 《能源与环境》 * |
| 宋永臣等: ""天然气水合物生成与分解实验检测技术进展"", 《天然气工业》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478468A (en) * | 2017-05-24 | 2017-12-15 | 北京美嘉图科技有限公司 | Microcell sampling instrument annex |
| CN107478468B (en) * | 2017-05-24 | 2024-03-19 | 北京美嘉图科技有限公司 | Accessory of micro-area sampling instrument |
| CN107643370A (en) * | 2017-11-02 | 2018-01-30 | 海南大学 | Minitype high voltage original position gas hydrate comprehensive experimental device |
| CN108646038A (en) * | 2018-04-17 | 2018-10-12 | 中国地质大学（武汉） | A kind of temperature-control pressure-control sample stage and temperature and pressure control system |
| CN111044555A (en) * | 2019-12-24 | 2020-04-21 | 大连理工大学 | Experimental method for capturing full-period form of gas hydrate crystal |
| CN111044555B (en) * | 2019-12-24 | 2021-10-15 | 大连理工大学 | Experimental method for capturing full-period form of gas hydrate crystal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104407649B (en) | 2016-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104407649A (en) | Temperature control pressurization device for natural gas hydrate crystal growth optical observation | |
| CN106680308A (en) | Atmosphere laser heating in-situ thermal shock/fatigue test device | |
| KR101741650B1 (en) | Culture apparatus for microscope viewing and method therefor | |
| CN102636503B (en) | CT (Electronic Computed X-ray Tomography technique) reformer for natural gas hydrate nature core and using method thereof | |
| CN204550812U (en) | Produce the fiber beam cooling apparatus of special fibre | |
| US20190153379A1 (en) | Cell culture incubator and method for operating same | |
| CN207483612U (en) | Full-automatic optical fibre drawing cooling system | |
| CN101856630B (en) | Superfluidhelium constant temperature bath device | |
| CN205817917U (en) | Can metal melting formula automatic water-removing deoxygenation glove box | |
| CN110677938A (en) | System for utilize conductive ceramic to carry out rapid heating based on electromagnetic induction principle | |
| CN105742143A (en) | Plasma modifying apparatus and processing method for improving surface hydrophilicity of powder material | |
| CN103808560B (en) | For 500-4.2K material static mechanical properties temperature control test macro | |
| CN205360626U (en) | Concentrated appearance | |
| CN204671911U (en) | Dual regulation can concentrate the enrichment facility of speed | |
| CN205850898U (en) | A kind of temperature control device for water bath | |
| CN203740397U (en) | Circulating heat conduction oil storage tank | |
| CN106970066B (en) | A kind of microscopic heating stand device based on gas meltage in Raman spectroscopy measurements high-temperature molten salt system | |
| CN206390033U (en) | Aquatile visualizes circulation | |
| CN104955185A (en) | Heater and box type multi-purpose furnace capable of realizing quick cooling | |
| CN212955154U (en) | Cell culture environment heating and cooling device | |
| CN109470684A (en) | A kind of device and method of quartz ampoule combination Raman spectrometer monitoring hydrothermal liquefaction process | |
| CN211563015U (en) | Large-diameter liquid nitrogen thermostat | |
| CN220194797U (en) | Variable temperature short focal length high-temperature high-pressure visual kettle | |
| CN213801253U (en) | Elevated tank for formaldehyde production | |
| CN202671599U (en) | Casting aging treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Yongchen Inventor after: Dong Hongsheng Inventor after: Zhao Jiafei Inventor after: Lv Qin Inventor after: Liu Weiguo Inventor after: Yang Mingjun Inventor after: Zhang Yi Inventor after: Wang Dayong Inventor after: Pei Fei Inventor before: Song Yongchen Inventor before: Zhao Jiafei Inventor before: Dong Hongsheng Inventor before: Lv Qin Inventor before: Liu Weiguo Inventor before: Yang Mingjun Inventor before: Zhang Yi Inventor before: Wang Dayong Inventor before: Pei Fei |
|
| COR | Change of bibliographic data |