CN102423662B - Multi-parameter visual test apparatus for marine gas hydrate generation and decomposition - Google Patents
Multi-parameter visual test apparatus for marine gas hydrate generation and decomposition Download PDFInfo
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- CN102423662B CN102423662B CN201110322566.2A CN201110322566A CN102423662B CN 102423662 B CN102423662 B CN 102423662B CN 201110322566 A CN201110322566 A CN 201110322566A CN 102423662 B CN102423662 B CN 102423662B
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- reaction vessel
- gas hydrate
- decomposition
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Abstract
The invention relates to a multi-parameter visual test apparatus for marine gas hydrate generation and decomposition, which comprises a reaction container, a seawater case, a methane gas bottle, an air compressor, and a marine gas hydrate generation and decomposition apparatus. Several observation windows are provided on a casing of the reaction container, the lower part of the marine gas hydrate generation and decomposition apparatus is provided in the reaction container, the upper part of the marine gas hydrate generation and decomposition apparatus is extended from the top of the reaction container and exposed outside the reaction container, a liquid nitrogen outlet and a liquid nitrogen inlet are respectively provided at the top end and the bottom end close to sidewall of the reaction container, the top of the reaction container is respectively connected with a temperature sensor and a pressure transducer through wires. The invention has the advantages of simple and compact structure, high integrated level and automation degree, and convenient operation; the pressure environment of water depth with 600m-2000m and the seabed temperature environment with temperature below 5 DEG C required by the generation of gas hydrate can be simulated, simultaneously the balance condition of temperature and pressure required by generation and decomposition of the gas hydrate can be regulated; the observation windows are reserved on the apparatus, thereby the visualization degree is high.
Description
Technical field
The present invention relates to a kind of experimental rig, relate in particular to a kind of Multi-parameter visual ocean gas hydrate and generate and decomposition run device.
Background technology
The main component of ocean gas hydrate is methane; methane and hydrone a kind of energy minerals that combination forms under cryogenic high pressure environment in bottom sediment; have that energy density is high, stock number is huge, clean clean feature; be a kind of 21st century novel energy of generally acknowledging, have great importance at aspects such as development of resources, environmental protection and Global climate change.Owing to being subject to ocean gas hydrate to compose the restriction of depositing mode and production technique level, current ocean gas hydrate is developed general several method, as voltage drop method, heating power method, chemical reagent injection method, CO
2the major technique such as displacement method, fluorine gas+microwave method, but all rest at present experimental stage.Existing experimental rig is often only focused on ocean gas hydrate generative process and is designed, and the analogue means of the related gas hydrate decomposable process of a certain production technique of being correlated with comparatively lacks, and the experimental rig of integrated generation-decomposable process is close to blank.
The generation of ocean gas hydrate and decomposition are complicated dynamic processes, and its restraining factors are the variation of temperature, pressure condition, i.e. the combination of low temperature, high pressure, and lack separately obvious specific border condition.Existing experimental provision is generally based on inquiring into ocean gas hydrate generative process and governing factor thereof, and the device of integrated decomposable process and influence factor not yet emerges.Meanwhile, compose and deposit and need hyperbaric environment due to ocean gas hydrate, therefore, the visualization of existing experimental rig is poor, and the real-time monitored of hydrate formation has to be optimized and improves.
Summary of the invention
The object of this invention is to provide a kind of Multi-parameter visual ocean gas hydrate and generate and decomposition run device, to overcome prior art above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of Multi-parameter visual ocean gas hydrate generates and decomposition run device, collecting ocean gas hydrate generates with decomposable process in same high-pressure bottle, comprise reaction vessel, sea water tank, methane gas bottle, air compressor machine and ocean gas hydrate decomposer, the shell of described reaction vessel is provided with some observation windows, the bottom of ocean gas hydrate decomposer is arranged in reaction vessel, the top of ocean gas hydrate decomposer passes and is exposed to outside reaction vessel from reaction vessel top, for replaceable assembly unit, according to the difference of requirement of experiment, can change decomposer at this interface, the bottom of reaction vessel is connected with methane gas bottle and sea water tank respectively by pipeline, the connecting line of reaction vessel and sea water tank is provided with water pump, the bottom of reaction vessel is also communicated with extraneous air by pipeline and the first ball valve, for tapping, on the sidewall of described reaction vessel, be respectively equipped with liquid nitrogen outlet and liquid nitrogen import near top and bottom place, wherein the below of liquid nitrogen import is provided with temperature controller, in order to regulate the temperature cooling velocity of liquid nitrogen to reaction vessel interior seawater, the top of described reaction vessel connects air compressor machine and the second ball valve by pipeline respectively, the second ball valve is communicated with extraneous air by pipeline, the connecting line of air compressor machine and reaction vessel is provided with booster pump, the top of reaction vessel is also respectively by connection temperature sensor and pressure sensor, and the probe of temperature sensor and pressure sensor is separately positioned on the inside of described reaction vessel.
The connecting line of described reaction vessel and methane gas bottle is provided with the first pressure regulator valve, and the connecting line of reaction vessel and booster pump is provided with the second pressure regulator valve.
Beneficial effect of the present invention is: this apparatus structure is simple, compact, can adjust according to different experiment demands the temperature and pressure combination condition of different sizes in pressure vessel; Integrated level, automaticity are high; Easy to operate; Can generate the pressure environment of required depth of water 600m ~ 2000m and the bottom-water temperature environment below 5 ℃ by real simulation gas hydrate, can generate, decompose required temperature and pressure equilibrium condition by adjustments of gas hydrate simultaneously; Equipment is reserved observation window, and visualization is high; Reserved more alias of decomposer, can carry out the experiment of different decomposition of hydrate methods simultaneously; Contribute to university student, the researcher of the association area such as oil, ocean to understand the generative process of ocean gas hydrate on the one hand; On the other hand, no matter the exploitation utilization of ocean gas hydrate from now on, adopt voltage drop method, heating power method, chemical reagent injection method, CO
2displacement method, or fluorine gas+microwave method, be all directly associated with the decomposable process of hydrate without exception.Therefore, the present invention is in focusing on gas hydrate generative process, and integrated method, process and the ambient parameter that causes decomposition of hydrate set, for actual from now on production practices provide technical support.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is that the Multi-parameter visual ocean gas hydrate described in the embodiment of the present invention generates and the structural representation of decomposition run device.
In figure:
1, reaction vessel; 2, sea water tank; 3, methane gas bottle; 4, air compressor machine; 5, observation window; 6, ocean gas hydrate decomposer; 7, water pump; 8, the first ball valve; 9, liquid nitrogen outlet; 10, liquid nitrogen import; 11, temperature controller; 12, the second ball valve; 13, booster pump; 14, temperature sensor; 15, pressure sensor; 16, the first pressure regulator valve; 17, the second pressure regulator valve.
The specific embodiment
As shown in Figure 1, a kind of Multi-parameter visual ocean gas hydrate described in the embodiment of the present invention generates and decomposition run device, comprise reaction vessel 1, sea water tank 2, methane gas bottle 3, air compressor machine 4 and ocean gas hydrate decomposer 6, the shell of described reaction vessel 1 is provided with some observation windows 5, the bottom of ocean gas hydrate decomposer 6 is arranged in reaction vessel 1, the top of ocean gas hydrate decomposer 6 passes and is exposed to outside reaction vessel 1 from reaction vessel 1 top, the bottom of reaction vessel 1 is connected with methane gas bottle 3 and sea water tank 2 respectively by pipeline, reaction vessel 1 is provided with water pump 7 with the connecting line of sea water tank 2, the bottom of reaction vessel 1 is also communicated with extraneous air by pipeline and the first ball valve 8, on the sidewall of described reaction vessel 1, be respectively equipped with liquid nitrogen outlet 9 and liquid nitrogen import 10 near top and bottom place, wherein the below of liquid nitrogen import 10 is provided with temperature controller 11, in order to controlled pressure liquid in container cooling velocity, the top of described reaction vessel 1 connects air compressor machine 4 and the second ball valve 12 by pipeline respectively, the second ball valve 12 is communicated with extraneous air by pipeline, air compressor machine 4 is provided with booster pump 13 with the connecting line of reaction vessel 1, the top of reaction vessel 1 is also respectively by connection temperature sensor 14 and pressure sensor 15, and the probe of temperature sensor 14 and pressure sensor 15 is separately positioned on the inside of described reaction vessel 1.
Described reaction vessel 1 is provided with the first pressure regulator valve 16 with the connecting line of methane gas bottle 3, and reaction vessel 1 is provided with the second pressure regulator valve 17 with the connecting line of booster pump 13.
When Multi-parameter visual ocean gas hydrate described in the embodiment of the present invention generates decomposition run device specific works, methane gas in methane gas bottle 3 injects the reaction vessel 1 that possesses observation window 5, can be by regulating the air inflow of air compressor machine 4 and the pressure and temperature environment that chiller is simulated 2000m degree of depth seabed natural conditions, set and generate parameter, observe gas hydrate generative process by observation window 5; As: 3 ℃ of design temperatures, 8Mp, setting-up time 48 hours, the methane gas that given flow is suitable, generates in the marine sediment of gas hydrate in reaction vessel 1.According to experiment demand, by preset interface, in the marine sediment that ocean gas hydrate decomposer 6 is inserted in reaction vessel 1, set resolution parameter, observe gas hydrate decomposable process.Utilize heater to heat up simultaneously, observe hydrate by the solid-state conversion decomposable process to gaseous state.This apparatus structure is simple, compact, can be according to the pressure vessel of the different different sizes of experiment demand assembling; Integrated level, automaticity are high; Easy to operate; Can generate the pressure environment of required depth of water 600m ~ 2000m and the bottom-water temperature environment below 5 ℃ by real simulation gas hydrate, can generate, decompose required temperature and pressure equilibrium condition by adjustments of gas hydrate simultaneously; Equipment is reserved observation window, and visualization is high; Reserved more alias of decomposer, can carry out the experiment of different decomposition of hydrate methods simultaneously; Contribute to university student, the researcher of the association area such as oil, ocean to understand the generative process of ocean gas hydrate on the one hand; On the other hand, no matter the exploitation utilization of ocean gas hydrate from now on, adopt voltage drop method, heating power method, chemical reagent injection method, CO
2displacement method, or fluorine gas+microwave method, be all directly associated with the decomposable process of hydrate without exception.Therefore, the present invention is in focusing on gas hydrate generative process, and integrated method, process and the ambient parameter that causes decomposition of hydrate set, for actual from now on production practices provide technical support.
The present invention is illustrated by example above, and still, the present invention is not limited to particular example as described herein and embodiment.Any those of skill in the art are easy to be further improved without departing from the spirit and scope of the present invention and perfect, therefore the present invention is only subject to the restriction of content and the scope of the claims in the present invention, and its intention contains all alternative and equivalents that are included in the spirit and scope of the invention being limited by appendix claim.
Claims (3)
1. a Multi-parameter visual ocean gas hydrate generates and decomposition run device, comprise reaction vessel (1), sea water tank (2), methane gas bottle (3), air compressor machine (4) and ocean gas hydrate decomposer (6), it is characterized in that: the shell of described reaction vessel (1) is provided with some observation windows (5), the bottom of ocean gas hydrate decomposer (6) is arranged in reaction vessel (1), the top of ocean gas hydrate decomposer (6) passes and is exposed to outside reaction vessel (1) from reaction vessel (1) top, the bottom of reaction vessel (1) is connected with methane gas bottle (3) and sea water tank (2) respectively by pipeline, reaction vessel (1) is provided with water pump (7) with the connecting line of sea water tank (2), the bottom of reaction vessel (1) is also communicated with extraneous air by pipeline and the first ball valve (8), on the sidewall of described reaction vessel (1), be respectively equipped with liquid nitrogen outlet (9) and liquid nitrogen import (10) near top and bottom place, the below of wherein liquid nitrogen import (10) is provided with temperature controller (11), temperature controller (11) is arranged on the inner heater of reaction vessel (1) by connection, the top of described reaction vessel (1) connects air compressor machine (4) and the second ball valve (12) by pipeline respectively, the second ball valve (12) is communicated with extraneous air by pipeline, air compressor machine (4) is provided with booster pump (13) with the connecting line of reaction vessel (1), the top of reaction vessel (1) is also respectively by connection temperature sensor (14) and pressure sensor (15), and the probe of temperature sensor (14) and pressure sensor (15) is arranged on the inside of described reaction vessel (1).
2. Multi-parameter visual according to claim 1 ocean gas hydrate generates and decomposition run device, it is characterized in that: described reaction vessel (1) is provided with the first pressure regulator valve (16) with the connecting line of methane gas bottle (3).
3. Multi-parameter visual according to claim 1 and 2 ocean gas hydrate generates and decomposition run device, it is characterized in that: reaction vessel (1) is provided with the second pressure regulator valve (17) with the connecting line of booster pump (13).
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| CN201110322566.2A CN102423662B (en) | 2011-10-21 | 2011-10-21 | Multi-parameter visual test apparatus for marine gas hydrate generation and decomposition |
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| CN201110322566.2A CN102423662B (en) | 2011-10-21 | 2011-10-21 | Multi-parameter visual test apparatus for marine gas hydrate generation and decomposition |
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| CN102423662B true CN102423662B (en) | 2014-07-02 |
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| CN103278374B (en) * | 2013-06-14 | 2015-04-22 | 中国科学院广州能源研究所 | In situ Raman analysis device for representing hydrate and in situ Raman analysis method of hydrate sample |
| CN104697888A (en) * | 2015-03-19 | 2015-06-10 | 中国石油大学(北京) | Experimental device for ultrasonically promoting gas in CO2 (Carbon Dioxide) drive produced liquid to desorb |
| CN105372392B (en) * | 2015-10-30 | 2017-02-15 | 中国科学院力学研究所 | Simulation experiment device for methane gas leakage caused by natural gas hydrate decomposition |
| CN108318655B (en) * | 2018-01-25 | 2023-09-26 | 广州海洋地质调查局 | Liquid nitrogen frozen hydrate sample decomposition gas quantitative sampling system |
| CN109458164B (en) * | 2018-12-25 | 2024-04-19 | 西南石油大学 | Visual reaction device and simulation method of variable-temperature variable-pressure dynamic reaction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451985A (en) * | 2008-12-24 | 2009-06-10 | 大连理工大学 | Detection device for synthesizing and decomposing gas hydrate |
| CN101532936A (en) * | 2009-04-14 | 2009-09-16 | 中国地质大学（武汉） | Method and device for evaluating inhibiting ability of drilling fluid on formation and decomposition of hydrate |
| CN102052065A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | Simulation exploiting experiment device for natural gas hydrate |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451985A (en) * | 2008-12-24 | 2009-06-10 | 大连理工大学 | Detection device for synthesizing and decomposing gas hydrate |
| CN101532936A (en) * | 2009-04-14 | 2009-09-16 | 中国地质大学（武汉） | Method and device for evaluating inhibiting ability of drilling fluid on formation and decomposition of hydrate |
| CN102052065A (en) * | 2010-07-01 | 2011-05-11 | 青岛海洋地质研究所 | Simulation exploiting experiment device for natural gas hydrate |
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