CN201184496Y - Visual apparatus of gas hydrated compound cold storage / gas storage - Google Patents
Visual apparatus of gas hydrated compound cold storage / gas storage Download PDFInfo
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- CN201184496Y CN201184496Y CNU2008200560624U CN200820056062U CN201184496Y CN 201184496 Y CN201184496 Y CN 201184496Y CN U2008200560624 U CNU2008200560624 U CN U2008200560624U CN 200820056062 U CN200820056062 U CN 200820056062U CN 201184496 Y CN201184496 Y CN 201184496Y
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Abstract
The utility model relates to a visualization device with gas hydrate cool storage/gas storage, which comprises a high-pressure reaction kettle, a low constant temperature water tank, a pressure-stabilizing air inlet device, and a video monitor device, wherein a temperature sensor and a pressure sensor are arranged on the end cover of the high-pressure reaction kettle, a liquid inlet, an air inlet and an electronic endoscope; a permanent magnet stirring motor is fixedly arranged on the end cover of the reaction kettle and is positioned at the middle part of the reaction kettle; stirring blades are connected with the lower end of the stirring motor; the pressure-stabilizing air inlet device is connected with the air outlet; a signal data is transmitted to the video monitor device; and the entire high-pressure reaction kettle is arranged in the low constant temperature water tank to achieve a working temperature. The device with the visualization structure can clearly observe and collect the images of the reaction process in time, and a magnetic coupling stirring device is adopted to solve the problem of high-pressure sealing and has reliable operation and no noise.
Description
Technical field
The utility model relates to a kind of preparation technology of gas hydrate, specially refers to the device that the carbon dioxide hydrate generates fast.
Background technique
The energy and environmental problem are one of focuses of current international concern.On February 16th, 2005, Kyoto Protocol was formally effective, indicated that whole world reply greenhouse gas emission begins to move towards the concrete new stage of implementing.China CO
2The situation of discharging is very severe, and between nineteen ninety～calendar year 2001, CO2 emissions has a net increase of 8.23 hundred million tons, occupies the second in the world.Predict according to International Energy Agency: China may surpass the U.S. in 2009, became CO in the world
2The greenhouse gases first discharging big country reaches 5,200,000,000 tons of CO2 equivalents.Therefore, adopt an effective measure control the CO of thermal power plant
2Discharging for reply global warming, the aggravation that slows down " greenhouse effect " crucial meaning is arranged, and become the key subjects that can't avoid at present.
In recent years, utilize the gas hydrate method to reclaim and store CO
2Technology receives international scholar's concern.Countries such as the U.S., Japan, Britain, Norway drop into substantial contribution and carry out CO
2The research that Hydrate Technology and seabed thereof store, and the research of domestic this respect is blank substantially.Gas hydrate is as cool storage medium of new generation in addition, applied chemistry mode cold-storage, and the cold-storage efficient that has overcome ice is low, and the storage density of cold of water is little, and the heat exchange efficiency of eutectic salts is low, easily weakness such as ageing failure.At present more, but in the selection of refrigerant hydrate cold-storage working substance, focus mostly in conventional refrigeration agent to the research of refrigerant gas hydrate, and on some alternative refrigerants subsequently as R134a, on the R141b, but ignored natural refrigerant CO
2Carbon dioxide hydrate has the decomposition enthalpy up to 500KJ/kg during as cool storage medium, and R11, R141b is respectively 334KJ/kg and 344KJ/kg, so carbon dioxide hydrate has certain advantage as cool storage medium.
The carbon dioxide hydrate is water and CO
2A kind of cage type crystalline compounds that gas forms under certain temperature and pressure condition.With respect to methane, the easier generation hydrate of CO2 gas.Fixing and the storage of carrying out CO2 gas with hydrate has the excellent development prospect, and mainly show: (1) gas storage density is big.Studies show that 1m
3Hydrate portability under standard state reaches 150～160m
3Gas; (2) the preparation technology condition is easy.Can under 1-4Mpa, 0 ~ 10 ℃ of condition, be prepared with carbon dioxide hydrate, avoid the low temperature requirement in the dry ice preparation.(3) thermophysical property of hydrate is more stable, storage safe; (4) can carry out the gasification again of hydrate effectively, solid shape hydrate is directly changed into available gaseous state CO
2(5) application is wide.The carbon dioxide hydrate can be used for food fresh keeping and storage as refrigerant, carries out desalination of sea water, also can be used for industrial and agricultural production, and simple possible has reached the purpose of waste utilization.
Characteristics such as the generation of gas hydrate is a crystallization process slowly, is accompanied by the solid heterogeneous heat and mass transfer process of complicated gas-liquid, exists induction time long, and Subcoold temperature is big, and growth velocity is slow.The carbon dioxide hydrate that utilizes of success carries out cold-storage/gas storage technology, must solve hydrate and generate problem rapidly and uniformly, improves the gas storage density and the storage density of cold of hydrate.
Summary of the invention
The utility model is at existing induction time long in the existing gas hydrate preparation technology, Subcoold temperature is big, growth velocity is not enough slowly, has proposed a kind of visualization device of gas hydrate cold-storage/gas storage, and this device is simple suitable, easy to operate, test is accurate, cost is low.
The technical solution of the utility model is: a kind of visualization device of gas hydrate cold-storage/gas storage, comprise autoclave, Low Constant Temperature Water Baths, voltage stabilizing air inlet system, video monitoring device, design has 5 perforates on the described autoclave end cap, is respectively that temperature transducer is installed screw mouth and pressure transducer is installed screw mouth; A liquid entering hole; A suction port and an electronics introscope pipe are installed screw mouth; The permanent magnet stirring motor is fixedly mounted on the end cap of reactor, be positioned at the middle part of reactor, following termination mixing blade, the electronics introscope is installed screw mouth by electronics introscope pipe and is connected with autoclave, temperature transducer is installed by screw mouth and pressure transducer is installed screw mouth jointing temp and pressure transducer respectively, the external voltage stabilizing air inlet system of suction port, the signal data of temperature transducer, pressure transducer, electronics introscope is conveyed into video monitoring device, and whole autoclave places Low Constant Temperature Water Baths for reaching operating temperature.Described autoclave material selection 316L stainless steel.Described sensor is installed and is adopted the moving cutting ferrule of conveniently adjusted insertion depth to be threaded, the polytetrafluoroethylene gasket sealing.Described mixing blade is driven by the permanent magnet stirring motor, rotating speed adjustable.Described electronics introscope and kettle cover are threaded, two stainless steel packing rings and the fine O type of a fourth washer sealing.
The beneficial effects of the utility model are: the design of visualization structure is Real Time Observation and collection course of reaction image clearly; Adopt magnetic force coupling stirring system, solve the high pressure rotary sealing problem, and reliable, noise free.
Description of drawings
Fig. 1 is the visualization device structural representation of the utility model gas hydrate cold-storage/gas storage.
Embodiment
As shown in Figure 1, the utility model apparatus main body is an autoclave 9, and design has 5 perforates on reactor 9 end caps 10, is respectively that temperature transducer is installed screw mouth 2 and pressure transducer is installed screw mouth 3; A liquid entering hole 4; A suction port 7 and an electronics introscope pipe are installed screw mouth 6; Permanent magnet stirring motor 5 is fixedly mounted on the end cap 10 of reactor 9, is positioned at the middle part of reactor 9, and following termination mixing blade 5A adopts magnetic force coupling stirring technique, has replaced motive sealing with static seal, has solved the high-pressure leakage problem.Electronic image pickup device 1 can be installed screw mouth 6 by electronics introscope pipe and be connected with autoclave 9, can be observed autoclave 9 internal-response situations.Temperature transducer is installed by screw mouth 2 and pressure transducer is installed screw mouth 3 jointing temp and pressure transducer respectively, the situation of quantitative test reactor 9 inside.Suction port 7 external voltage stabilizing air inlet systems, the voltage stabilizing air inlet system comprises stop valve 11,11A, 11B, 11C, 11D, vacuum pump 12, one-way valve 13, mass flowmenter 14, reduction valve 15, gas holder 16 plays smoothly carbon dioxide is sent into autoclave 9 by suction port 7, the balance pressure effect.The signal data of temperature transducer, pressure transducer, electronics introscope 1, mass flowmenter 14 can be conveyed in the external computer 100, the composition data acquisition system.
The visualization device that gas hydrate of the present utility model generates fast mainly is made up of autoclave, Low Constant Temperature Water Baths, voltage stabilizing air inlet system, video monitoring device etc.
The reactor main body: the autoclave material is the 316L stainless steel, and maximum is born pressure 20MPa, adopts the nitrile rubber washer sealing, operating temperature-20 ℃-30 ℃.The installation that on the reactor end cap, is respectively equipped with platinum sensor, pressure transducer, CCD detector tube, the air inlet pipeline mouth that is threaded.The installation of platinum sensor adopts movable cutting ferrule to be threaded, the convenient insertion depth of regulating platinum resistor, polytetrafluoroethylene gasket sealing.CCD detector tube and kettle cover are threaded, two stainless steel packing rings and the fine O type of a fourth washer sealing.Be provided with mixing blade in the reactor, adopt magnetic force coupling stirring technique, mixing blade is driven by the permanent magnet stirring motor, rotating speed adjustable.It has replaced motive sealing with static seal, has solved insoluble seal failure of mechanical seal and packing seal and high-pressure leakage problem, can realize the chemical reaction of hydrate under the high pressure.
Constant temperature device: utilize temperature in the thermostatic bath 8 conditioned reaction stills.Thermostatic water bath connects with refrigeration system and according to temperature in the accurate control flume of setting value, keeps the required cryogenic conditions of reaction, and the hydrate generation is hot in the sensible heat of gas and liquid and the course of reaction in the still derives through the reactor wall.The thermostatic bath temperature regulating range is-20 ℃-100 ℃.
The voltage stabilizing air inlet system: form outlet pressure by gas holder, reduction valve, gas mass flowmeter and one-way valve etc.: 0-6MPa is adjustable.
Video-unit: on computers by electronics introscope and ccd image acquisition system, can onlinely clearly observe and gather the course of reaction image, by parameters such as the real-time measuring recording hydrate of automatic data acquisition system preparation feedback process temperature, pressure, gas flows.
When utilizing this device to carry out visual gas hydrate cold-storage/gas storage, can under the constant volume condition, perhaps under constant-pressure conditions, carry out the preparation of hydrate, can be chosen in the static system or in the mechanical agitation system and carry out.By adding suitable surface active agent, can promote the quick generation of hydrate effectively, improve the cold-storage/gas storage density of hydrate.
Claims (5)
1, a kind of visualization device of gas hydrate cold-storage/gas storage, comprise autoclave, Low Constant Temperature Water Baths, voltage stabilizing air inlet system, video monitoring device, it is characterized in that design has 5 perforates on the described autoclave end cap, is respectively that temperature transducer is installed screw mouth and pressure transducer is installed screw mouth; A liquid entering hole; A suction port and an electronics introscope pipe are installed screw mouth; The permanent magnet stirring motor is fixedly mounted on the end cap of reactor, be positioned at the middle part of reactor, following termination mixing blade, the electronics introscope is installed screw mouth by electronics introscope pipe and is connected with autoclave, temperature transducer is installed by screw mouth and pressure transducer is installed screw mouth jointing temp and pressure transducer respectively, the external voltage stabilizing air inlet system of suction port, the signal data of temperature transducer, pressure transducer, electronics introscope is conveyed into video monitoring device, and whole autoclave places Low Constant Temperature Water Baths for reaching operating temperature.
2,, it is characterized in that described autoclave material selection 316L stainless steel according to the visualization device of the described gas hydrate cold-storage/gas storage of claim 1.
3,, it is characterized in that the moving cutting ferrule of the conveniently adjusted insertion depth of described sensor installation employing is threaded the polytetrafluoroethylene gasket sealing according to the visualization device of the described gas hydrate cold-storage/gas storage of claim 1.
4,, it is characterized in that described mixing blade is driven rotating speed adjustable by the permanent magnet stirring motor according to the visualization device of the described gas hydrate cold-storage/gas storage of claim 1.
5,, it is characterized in that described electronics introscope and kettle cover are threaded, two stainless steel packing rings and the fine O type of a fourth washer sealing according to the visualization device of the described gas hydrate cold-storage/gas storage of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200560624U CN201184496Y (en) | 2008-03-11 | 2008-03-11 | Visual apparatus of gas hydrated compound cold storage / gas storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200560624U CN201184496Y (en) | 2008-03-11 | 2008-03-11 | Visual apparatus of gas hydrated compound cold storage / gas storage |
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| CN201184496Y true CN201184496Y (en) | 2009-01-21 |
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| CNU2008200560624U Expired - Fee Related CN201184496Y (en) | 2008-03-11 | 2008-03-11 | Visual apparatus of gas hydrated compound cold storage / gas storage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916081A (en) * | 2010-07-29 | 2010-12-15 | 云南大红山管道有限公司 | Monitoring and detecting device on stirring tank |
| CN106051458A (en) * | 2016-07-25 | 2016-10-26 | 中国计量大学 | Hydrogen absorption stress change detection device of metal hydride hydrogen storage container |
| CN109142436A (en) * | 2018-09-21 | 2019-01-04 | 中国科学院广州能源研究所 | The experimental provision of temperature characterisitic research in a kind of hydrate formation |
| CN112362690A (en) * | 2020-11-06 | 2021-02-12 | 西南石油大学 | Hydrate generation induction time measuring device |
| CN113063094A (en) * | 2021-05-06 | 2021-07-02 | 青岛科技大学 | Natural gas hydrate storage and decomposition integrated device |
-
2008
- 2008-03-11 CN CNU2008200560624U patent/CN201184496Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916081A (en) * | 2010-07-29 | 2010-12-15 | 云南大红山管道有限公司 | Monitoring and detecting device on stirring tank |
| CN106051458A (en) * | 2016-07-25 | 2016-10-26 | 中国计量大学 | Hydrogen absorption stress change detection device of metal hydride hydrogen storage container |
| CN109142436A (en) * | 2018-09-21 | 2019-01-04 | 中国科学院广州能源研究所 | The experimental provision of temperature characterisitic research in a kind of hydrate formation |
| CN112362690A (en) * | 2020-11-06 | 2021-02-12 | 西南石油大学 | Hydrate generation induction time measuring device |
| CN113063094A (en) * | 2021-05-06 | 2021-07-02 | 青岛科技大学 | Natural gas hydrate storage and decomposition integrated device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 |