CN104267150B - A kind of new gas hydrate generates experimental provision - Google Patents
A kind of new gas hydrate generates experimental provision Download PDFInfo
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- CN104267150B CN104267150B CN201410516257.2A CN201410516257A CN104267150B CN 104267150 B CN104267150 B CN 104267150B CN 201410516257 A CN201410516257 A CN 201410516257A CN 104267150 B CN104267150 B CN 104267150B
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Abstract
A kind of new gas hydrate generates experimental provision, is made up of, gas delivery system, mainly comprises gas cylinder 1, gas-holder 2, compressor 16 and gas meter 17 etc. gas delivery system, cooling system, reactor; Described cooling system, be made up of cold water tank 5 and cooling bath 6 etc., described reactor comprises hydrate generation system and strengthening generation system, described hydrate generation system, comprise temperature sensor 7, pressure transducer 8, water filling port 9, safety valve 10, visual windows 11, reactor (12) and microbubble generator 13 etc., described strengthening generation system, comprises fairing 19, paddle 20 and motor 21.Advantage of the present invention is: improve hydrate formation speed, realize Gas hydrate latent heat and remove fast, is beneficial to and researchs and analyses hydrate generation feature; Investment cost is lower, is beneficial to scientific experiment.
Description
Technical field
The invention belongs to gas hydrate application and storaging and transport technology field, refer in particular to a kind of gas hydrate and generate experimental provision.
Background technology
Gas hydrate refers to light gas, as: methane, ethane, propane, CO
2, H
2the non-stoichiometric solid crystalline material that S etc. and water generate under uniform temperature and pressure (being generally cryogenic high pressure).Gas hydrate is a kind of high density energy material, has the features such as technology of preparing condition is simple, stable performance, storage safe, in rock gas accumulating etc., have good industrial prospect.These application of hydrate are closely related with the facilitation of gas hydrate.The obstruction of the factor such as be subject to that its gas storage density is low, formation speed is slow and induction time is long, the maximum technology barrier that especially current Application of Hydrate technology faces is exactly the generating rate and the efficiency that how to improve hydrate.Such as, when methane pressure in static pure aquatic system is 5.76MPa, temperature is 4.3 DEG C, form the induction time of hydrate more than 28 hours, the speed of growth of hydrate crystal directly affects the popularization of Application of Hydrate slowly.For addressing these problems, have employed the formation that multiple method promotes hydrate, by stirring the speed of growth that can improve hydrate, but stirring brings again some other unfavorable factors: energy ezpenditure increase, the reduction of hydrate gas storage density etc.; Adopt ultrasonic atomization, increase gas-water contact area, hydrate formation speed can be improved, but the ultrasonic ultrasonic delay line memory not only investment cost increase that system is added, and also operating cost also increases; Such as, patent " a kind of natural gas hydrate synthesizing device realizing multiple preparation method " (publication number: CN101880561A) relates to a kind of natural gas hydrate synthesizing device integrating multiple preparation method, but this device only relies on degree of supercooling etc. to promote, and hydrate generates, have ignored important factor in order---the gas liquid interfacial area affecting hydrate and generate, therefore formation speed is slower, in the hydrate experiment of reality, cause a lot of difficulty, and the real-time monitored of hydrate generation can not be realized.
The key that gas hydrate generates is removing in time of gas-liquid two-phase contact area and Gas hydrate latent heat.The formation of microbubble is a kind of physical phenomenon of biphase gas and liquid flow, is widely used in the fields such as power, chemical industry, mining, nuclear energy, environment, oil, metallurgy, medical science by people.Microbubble diameter is less, and its total surface area is larger, is applied to by microbubble in gas hydrate strengthening generation technique, significantly can improves gas-liquid two-phase contact area in hydrate formation; And fairing is introduced in hydrate generating apparatus, both can improve gas-liquid two-phase contact area further, Gas hydrate latent heat can have been removed fast again.
Summary of the invention
The object of the invention is for the huge application prospect of gas hydrate, and from experiment condition, propose a kind of new gas hydrate generation experimental provision, for the practical application of hydrate provides theoretical direction.The technical problem to be solved in the present invention develops the device and technique that can gas hydrate be promoted to generate efficiently, rapidly, for gas hydrate utilizes the popularization of technology to provide technical equipment.By adopting the condition such as micro bubble generation device and fairing, increasing substantially gas liquid interfacial area, removing Gas hydrate latent heat fast, gas hydrate is generated fast in reactor, and real-time monitored hydrate generates feature.
In order to achieve the above object, the present invention realizes by the following technical solutions:
A kind of new gas hydrate generates experimental provision, is made up of, for gas delivery system, mainly comprises gas cylinder, gas-holder, compressor and gas meter etc. gas delivery system, cooling system, reactive system, described cooling system, be made up of cold water tank and cooling bath etc., described reactive system is a reactor, comprise hydrate generation system and strengthening generation system, described hydrate generation system, mainly comprise temperature sensor, pressure transducer, water filling port, safety valve, heat-insulation layer, visual windows and microbubble generator etc., described strengthening generation system, mainly comprise fairing, paddle and motor, gas is generated containing hydrate in described gas cylinder, gas cylinder is connected with gas-holder, gas-holder is connected with cold water tank, cooling bath is connected with cold water tank, coil pipe is provided with in cold water tank, one end of compressor is connected with coil pipe, the other end is connected with gas meter, cooling bath is connected with reactor, described microbubble generator is located at the below of reactor, microbubble generator comprises air intake opening and is located at some micropores on microbubble generator surface, described air intake opening is connected with gas meter, described paddle is connected with motor through microbubble generator, the inside of reactor is located at by described fairing, the wall flowing hole of described fairing is mainly two kinds: first for circular, internal diameter is 0.01-0.1 times of fairing top diameter, distribute in regular shape, second is strip, its width is 0.05-0.1 times of fairing top diameter, it is highly 0.6-0.8 times of fairing height, described fairing top is uniformly distributed 3 pillars, be connected with 3 supported holes of inside reactor, described visual windows is located at the surface of hydrate reaction still, and temperature sensor and pressure transducer are contained in hydrate reaction still top, hydrate reaction still top is also containing water filling port and safety valve, and reactor outside is containing heat-insulation layer.
As preferred embodiment, described microbubble generator is an annular hollow ceramic wafer, and its external diameter is identical with reactor inside diameter, and the diameter of inner ring is 0.2-0.4 times of reactor inside diameter;
As preferred embodiment, the bottom of described reactor is provided with 3 regulators.
As preferred embodiment, described reactor connects cold water tank by a surge tank.
As preferred embodiment, described reactor is connected with gas-holder and forms gas phase loop.
New gas hydrate productive experiment device of the present invention, solves following a few hang-up: 1. adopt Micro-bubble type generator, namely with the ceramic wafer of micropore, significantly improves gas-liquid two-phase contact area, improves hydrate formation speed; 2. adopt fairing, improve gas liquid interfacial area further, gas-liquid two-phase is fully mixed, realize Gas hydrate latent heat and remove fast; 3. watch window is set, is beneficial to and researchs and analyses hydrate generation feature; 4. investment cost is lower, is beneficial to scientific experiment.
Remarkable advantage of the present invention is in the following aspects:
(1) use Micro-bubble type generator, namely with the ceramic wafer of micropore, significantly improve gas-liquid two-phase contact area, improve hydrate formation speed;
(2) adopt fairing, improve gas liquid interfacial area further, gas-liquid two-phase is fully mixed, realize Gas hydrate latent heat and remove fast;
(3) put watch window, be beneficial to and research and analyse hydrate generation feature;
(4) investment cost is lower, is beneficial to scientific experiment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of microbubble generator of the present invention;
Fig. 3 is fairing schematic diagram of the present invention;
Fig. 4 is the connection diagram of fairing of the present invention;
Wherein 1-gas cylinder; 2-gas-holder; 3-drain valve; 4-drain valve; 5-cold water tank; 6-cooling bath; 7-temperature sensor; 8-pressure transducer; 9-water filling port; 10-safety valve; 11-visual windows; 12-heat-insulation layer; 13-microbubble generator; 14-regulator; 15-surge tank; 16-compressor; 17-gas meter; 18-fairing and pillar junction; 19-fairing; 20-paddle; 21-motor; 22-pillar and reactor junction; 23-pillar; 24-supported hole; 25-micropore; 26-air intake opening.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present invention is further described in detail:
As shown in Figure 1, the invention provides a kind of new gas hydrate productive experiment device, be made up of gas delivery system, cooling system and reactor.For gas delivery system, mainly comprise gas cylinder 1, gas-holder 2, compressor 16 and gas meter 17 etc.; For cooling system, be made up of cold water tank 5 and cooling bath 6 etc.; Described reactor comprises hydrate generation system and strengthening generation system, for hydrate generation system, mainly comprises temperature sensor 7, pressure transducer 8, water filling port 9, safety valve 10, heat-insulation layer 12, visual windows 11 and microbubble generator 13 etc.For strengthening generation system, mainly comprise fairing 19, paddle 20 and motor 21 etc.Gas is generated containing hydrate in gas cylinder 1, when starting to test, open gas cylinder 1 valve, make hydrate generate gas and enter gas-holder 2, cooling bath 6 pairs of cold water tanks 5 are lowered the temperature, make its temperature control at 1 ~ 5 DEG C, hydrate generates gas and lowers the temperature through the coil pipe of illegally occupying in cold water tank 5, then enters hydrate reaction still by compressor 16.Gas phase flow rate carries out Real-Time Monitoring by gas meter 17.Cooling bath 6 is lowered the temperature to hydrate reaction still simultaneously, makes its temperature maintain 1 ~ 5 DEG C to promote the generation of hydrate.Hydrate generation gas through compressor 16 directly enters microbubble generator 13.
As shown in Figure 2, are annular hollow ceramic wafers about microbubble generator 13, its external diameter is identical with reactor internal diameter, and the diameter of inner ring is 0.4 times of reactor internal diameter.The gas having gas phase pipeline to come enters ceramic wafer inside by air intake opening 26, and gas is entered in reactor by the micropore 25 on ceramic wafer surface.The frequency regulating water pump is 25Hz, and the number of bubbles density range in reactor is 1.49 × 10
7individual/m
3.After microbubble generator 13 produces microbubble, it can slowly rise; The microbubble that microbubble generator 13 is produced by blade by paddle 20 and reaction liquid Homogeneous phase mixing, gas-liquid two-phase contact area is significantly improved, and its power is provided by motor 21; Along with bubble rises gradually, progress into fairing 19 inner, paddle 20 drives microbubble and liquid, and the strip space avoided at fairing 19 tubular moves back and forth, and improves gas-liquid two-phase contact area further, and Gas hydrate latent heat is removed fast.
As shown in Figure 3,4, for fairing 19, its wall flowing hole is strip, and its width is 0.05 times of fairing 19 top diameter, and it is highly 0.8 times of fairing 19 height.Be uniformly distributed 15 along one week, fairing 19 top is uniformly distributed 3 pillars 23, is connected, plays fixation with 3 supported holes 24 of inside reactor.Can realize generating features of shape when the monitoring of track and hydrate generate around microbubble and rule etc. to microbubble by visual windows 11.The temperature and pressure that hydrate reaction still top is contained in temperature sensor 7 and pressure transducer 8 pairs of reactors carries out Real-Time Monitoring.Reactor head contains water filling port 9 and safety valve 10, to ensure carrying out smoothly of experiment.Muff 12 is contained, to maintain temperature in the kettle in reactor outside; The bottom of reactor is provided with 3 regulators 14, by can the vertical placement of realization response still to the adjustment of regulator.Residue water in reactor can first be emitted in surge tank 15, and then enters cold water tank to test the circulation of liquid phase; In reactor, residual gas enters gas-holder 2 by gas phase loop.
Claims (5)
1. a new gas hydrate generates experimental provision, comprise gas delivery system, cooling system and reactive system, it is characterized in that: described gas delivery system, mainly comprise gas cylinder (1), gas-holder (2), compressor (16) and gas meter (17), gas-holder (2) bottom is provided with the first drain valve (3), described cooling system, is made up of cold water tank (5) and cooling bath (6), and cold water tank (5) bottom is provided with the second drain valve (4), described reactive system is a reactor, comprise hydrate generation system and strengthening generation system, described hydrate generation system, mainly comprises temperature sensor (7), pressure transducer (8), water filling port (9), safety valve (10), visual windows (11) and microbubble generator (13), described strengthening generation system, mainly comprise fairing (19), paddle (20) and motor (21), gas is generated containing hydrate in described gas cylinder (1), gas cylinder (1) is connected with gas-holder (2), described gas-holder (2) is connected with cold water tank (5), described cooling bath (6) is connected with cold water tank (5), described cold water tank is provided with coil pipe in (5), one end of described compressor (16) is connected with coil pipe, the other end is connected with gas meter (17), described cooling bath (6) is connected with reactor (12), described microbubble generator (13) is located at the below of inside reactor, the below of reactor outside is located at by described motor (21), microbubble generator (13) comprises air intake opening (26) and is located at some micropores (25) on microbubble generator surface, described air intake opening (26) is connected with gas meter (17), described paddle (20) is connected with motor (21) through microbubble generator (13), the inside of reactor is located at by described fairing (19), the wall flowing hole of described fairing is mainly two kinds: first for circular, internal diameter is 0.01-0.1 times of fairing (19) top diameter, distribute in regular shape, second is strip, its width is 0.05-0.1 times of fairing (19) top diameter, it is highly 0.6-0.8 times of fairing (19) height, described fairing (19) top is uniformly distributed 3 pillars (23), 3 supported holes (24) inner with reactor (12) are connected, described visual windows (11) is located at the surface of reactor, reactor head contains temperature sensor (7) and pressure transducer (8), and reactor head is also containing water filling port (9) and safety valve (10).
2. new gas hydrate according to claim 1 generates experimental provision, it is characterized in that: described microbubble generator (13) is an annular hollow ceramic wafer, its external diameter is identical with reactor inside diameter, and the diameter of inner ring is 0.2-0.4 times of reactor inside diameter.
3. new gas hydrate according to claim 1 generates experimental provision, it is characterized in that: described reactor connects cold water tank (5) by a surge tank (15).
4. new gas hydrate according to claim 1 generates experimental provision, it is characterized in that: the bottom of described reactor is provided with 3 regulators (14).
5. new gas hydrate according to claim 1 generates experimental provision, it is characterized in that: described reactor is connected with gas-holder (2) and forms gas phase loop.
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| CN104749323B (en) * | 2015-03-21 | 2016-06-15 | 三峡大学 | A kind of reaction unit and method relating to methane water_air exchange |
| CN105004849B (en) * | 2015-08-14 | 2016-09-07 | 西南石油大学 | A kind of method of gas hydrate solid state fluidizing exploitation digging indoor experimental apparatus |
| WO2017050142A1 (en) * | 2015-09-23 | 2017-03-30 | 中国石油大学(华东) | Simulation experiment test system and test method for gas hydrates in porous medium |
| CN105301205A (en) * | 2015-11-30 | 2016-02-03 | 中国科学院广州能源研究所 | Visual gas hydrate dynamic experimental device |
| CN108130146B (en) * | 2017-12-07 | 2020-07-21 | 中国科学院广州能源研究所 | Gas hydrate crystal culture device |
| 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 |
| CN109735374A (en) * | 2019-03-19 | 2019-05-10 | 中国石油大学(华东) | The preparation facilities and preparation method of methane hydrate under a kind of normal pressure |
| CN112244184B (en) * | 2020-09-30 | 2022-08-12 | 广东省农业科学院蚕业与农产品加工研究所 | Device and method for concentrating liquid food by hydrate under assistance of frequency conversion ultrasound |
| CN112426990A (en) * | 2020-10-23 | 2021-03-02 | 大连理工大学 | Device and method for promoting hydrate generation by nano bubbles |
| CN113304714A (en) * | 2021-06-09 | 2021-08-27 | 青岛科技大学 | Gas hydrate preparation system |
| CN114113550B (en) * | 2021-08-17 | 2023-04-25 | 大连理工大学 | Experimental method for improving petroleum recovery ratio by utilizing carbon dioxide microbubbles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762565A (en) * | 2005-09-20 | 2006-04-26 | 南京工业大学 | Complete equipment system for gas hydrate simulate composition and decomposition and reaction kettle |
| CN101249405A (en) * | 2008-04-03 | 2008-08-27 | 中国石化扬子石油化工有限公司 | Air-lift type circular current reactor |
| CN101415802A (en) * | 2006-04-05 | 2009-04-22 | 三井造船株式会社 | Apparatus for manufacturing and dewatering gas hydrate |
| CN101880561A (en) * | 2010-06-30 | 2010-11-10 | 中国科学院力学研究所 | Natural gas hydrate synthesizing device capable of realizing kinds of preparation methods |
| CN103611478A (en) * | 2013-11-12 | 2014-03-05 | 常州大学 | Pipeline type experiment device for generating gas hydrate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001139965A (en) * | 1999-08-31 | 2001-05-22 | Mitsubishi Rayon Co Ltd | Formation-controlling agent for gas hydrate and control of the gas hydrate formation |
| JP2004155747A (en) * | 2002-09-11 | 2004-06-03 | Jfe Engineering Kk | Method for producing gas clathrate and apparatus therefor |
-
2014
- 2014-09-29 CN CN201410516257.2A patent/CN104267150B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762565A (en) * | 2005-09-20 | 2006-04-26 | 南京工业大学 | Complete equipment system for gas hydrate simulate composition and decomposition and reaction kettle |
| CN101415802A (en) * | 2006-04-05 | 2009-04-22 | 三井造船株式会社 | Apparatus for manufacturing and dewatering gas hydrate |
| CN101249405A (en) * | 2008-04-03 | 2008-08-27 | 中国石化扬子石油化工有限公司 | Air-lift type circular current reactor |
| CN101880561A (en) * | 2010-06-30 | 2010-11-10 | 中国科学院力学研究所 | Natural gas hydrate synthesizing device capable of realizing kinds of preparation methods |
| CN103611478A (en) * | 2013-11-12 | 2014-03-05 | 常州大学 | Pipeline type experiment device for generating gas hydrate |
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Effective date of registration: 20201225 Address after: 221400 building B2, science and innovation base, No.9 Zhejiang Road, Xinyi Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu zhuoken Intellectual Property Operation Co.,Ltd. Address before: 213164 No. 1, middle Lake Road, Wujin District, Changzhou, Jiangsu Patentee before: CHANGZHOU University |