CN105675506A - Integrated earth pillar simulation device for multi-process on-line monitoring in condition with different temperatures and pressures - Google Patents
Integrated earth pillar simulation device for multi-process on-line monitoring in condition with different temperatures and pressures Download PDFInfo
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Abstract
The invention provides an integrated earth pillar simulation device for multi-process on-line monitoring in a condition with different temperatures and pressures. The device comprises a pressurization apparatus, a pressure chamber which is pressurized by using the pressurization apparatus and a gas-liquid collection apparatus; the pressurization apparatus comprises a servo motor, a decelerator, a leading screw, and a pressure sensor; the pressure chamber is provided with a sealed pressing part, a sealing part, and a sample chamber, wherein the sample chamber is provided with a drain tank and a screwed joint, and a sidewall of the pressure chamber is internally provided with a heating chamber and a probe hole opening; and the gas-liquid collection apparatus comprises a capillary, a gas-liquid separation apparatus, an air bag, a gas collection bag, a titration apparatus and a liquid collection bottle. Temperature, pressure, different environment factors and other real conditions are fully considered, and modern advanced sensing, automation and other technologies are integrated, so that real burying and evolution processes of unconsolidated sediments with large time scale are simulated, and remodeling and on-line monitoring of compacting, consolidating, dehydrating and diagenesis processes of the unconsolidated sediments in the condition with different temperature and pressure are carried out.
Description
Technical field
The present invention relates to the integrated earth pillar simulation device of many processes on-line monitoring when a kind of different temperature and pressure, mainly apply to geology technical field, it is also possible to apply to the technical fields such as geotechnical engineering, sedimentology and environmental science.
Background technology
Unconsolidated sediment is that one deposits in hydrostatic or weak circumstance of flowing water; formed through physical chemistry and biochemical action; unconsolidated particulate or particulate deposit; it forms complexity, has very high water content and organic content, complicated mineral composition, abundant microorganism and a certain amount of gas.
Burying in evolutionary process, argillaceous sediment is constantly covered by new settling, above covers load pressure and constantly increases, and hole is constantly compressed, and discharges a large amount of pore waters in adjacent aquifers. Meanwhile, its pore water, mineral, microorganism and gas constantly interact in the process. The research of this process, has important indicative significance for the natural groundwater origin cause of formation, diagenetic reaction and mineralization.
But, though burying of mud has been carried out lab simulation from different angles by the experiment research of the aspects such as organic matter hydrocarbon generation simulation at present, diagenesis simulation and biogas simulation all, but function singleness, Automated condtrol and on-line monitoring can not be realized, temperature under simulation stratum condition, pressure and fluid composition etc. are carried out seldom or too simplified, temperature and pressure can not be realized the function of auto-control, and in these existing analogue experiment installations, almost do not relate to the research to evolutionary process.
Therefore, it is necessary to provide a kind of new analogue experiment installation, for the experiment research burying evolution whole process to unconsolidated sediment.
Summary of the invention
In order to solve the deficiencies in the prior art, the integrated earth pillar simulation device of many processes on-line monitoring when the present invention provides a kind of different temperature and pressure, this experimental installation fully considers the practical situation such as temperature, pressure, different environmental factorss, and the technology such as integrated modern advanced sensing, automatization, can simulate comparatively really the big time scale of unconsolidated sediment bury evolutionary process, can reinvent and the compacting of on-line monitoring unconsolidated sediment when different temperature and pressure, consolidation, dehydration and diagenetic process.
The present invention is the technical scheme that its technical problem of solution adopts: the integrated earth pillar simulation device providing many processes on-line monitoring when a kind of different temperature and pressure, the pressure chamber comprise pressurizing device, utilizing pressurizing device to pressurize and gas-liquid collecting device, described pressurizing device comprises the servomotor being provided with speed reduction unit, described speed reduction unit is connected with pressure transmitter by leading screw, and described servomotor is connected with PC or micro-chip, upper end, described pressure chamber is provided with the sealing press member being connected with servomotor, the lower end of pressure chamber is provided with sealing element, the inside of pressure chamber is equipped with the sample chamber for filling sample, the lower end of sample chamber is provided with reverse frustoconic drainage tray, draining head is connected with threaded connector, threaded connector is connected by kapillary through the sealing element of the lower end in pressure chamber with gas-liquid collecting device, the heating chamber heated by thermopair for filling liquid medium it is provided with in the sidewall of pressure chamber, the wiring of described thermopair picks out through the outer wall of pressure chamber, the sidewall of pressure chamber is provided with one group of detection aperture of outside being connected pressure chamber and sample chamber, each detection aperture is provided with the sealing cover being provided with sample monitoring group, the outer wall of pressure chamber is provided with thermal insulation layer, described gas-liquid collecting device comprises the kapillary being connected with threaded connector, described kapillary is provided with tensimeter, fluid flow controller and gas-liquid separation device, the entrance of described gas-liquid separation device is connected with kapillary, the production well of gas-liquid separation device is connected with collection airbag by air bag, the liquid outlet of gas-liquid separation device is connected with liquid-collecting bottle by titration apparatus, titration apparatus is provided with liquid flow controller, described air bag and collection airbag are all connected with gas-monitoring group, and described titration apparatus and liquid-collecting bottle are all connected with liquid monitoring group, described pressure transmitter, tensimeter, fluid flow controller, liquid flow controller, sample monitoring group, gas detection group, liquid detecting group are all connected with PC.
Described sample detection group adopts electronic probe, and described gas detection group and liquid detecting group adopt spectrograph.
The room wall of described sample chamber adopts Hastelloy, and the inner and outer wall of sample chamber all indicates scale.
Described kapillary adopts PEEK material.
It is provided with radio temperature sensor in described sample chamber.
It is provided with radio temperature sensor in described pressure chamber.
Described radio temperature sensor is connected by wireless receptor with PC.
Filter membrane and tetrafluoroethylene filter screen it is placed with from top to bottom successively in described sample chamber.
Described threaded connector adopts Hastelloy material.
Described pressure chamber wall adopts lagging material.
The useful effect that the present invention has based on its technical scheme is:
(1) the integrated earth pillar simulation device of many processes on-line monitoring when the different temperature and pressure of the present invention, the pressure chamber be provided with pressurizing device, utilizing pressurizing device to pressurize and gas-liquid collecting device, also it is provided with the on-line monitoring system being made up of pressure transmitter, tensimeter, fluid flow controller, liquid flow controller, sample monitoring group, gas detection group, liquid detecting group and PC, it is possible to carry out in real time integration monitor and forecast what carry out simulated experiment simultaneously;
(2) the integrated earth pillar simulation device of many processes on-line monitoring when the different temperature and pressure of the present invention, except arranging the sample chamber for placing sample in pressure chamber, also it is provided with heating chamber and detection aperture, sample load can be completed and increase a series of processes such as temperature supercharging, it is possible to realize many temperature and pressure environmental Kuznets Curves;And the servomotor of pressurizing device is provided with pressure transmitter, being provided with temperature sensor in pressure chamber, pressure transmitter and temperature sensor are all connected with PC, for Automated condtrol provides hardware foundation;
(3) the integrated earth pillar simulation device of many processes on-line monitoring when the different temperature and pressure of the present invention, design for argillaceous sediment, sample collecting under different temperature and pressure effect is provided with Separate System of Water-jet, this system by kapillary by the Sample introduction after temperature and pressure effect, and then gathered and detection by gas-liquid separation device separation, it is possible to the monitoring pore texture of mud sample, mineral chemical composition and surface topography, temperature and pressure changing, water ratio, every index of pore water and every index of gas;
(4) the integrated earth pillar simulation device of many processes on-line monitoring when the different temperature and pressure of the present invention, geology evolutionary process can be simulated comparatively really, and can fully consider the geology evolutionary process of argillaceous sediment (or soil) under different environmental factors; PC can be utilized whole process accurately to be controlled, increasing temperature supercharging can be made to realize close to linear variation tendency; Can ensure to test under long-time; Can physics in real-time dynamic monitoring simulation process and chemical transformation situation; Multiple parameters can be measured: settling water-cut variation, mineralogical composition under dynamic monitoring differing temps different pressures change, every index of pore water changes and every index change etc. of gas.
Accompanying drawing explanation
The integrated earth pillar simulation device analysis process figure of many processes on-line monitoring when Fig. 1 is different temperature and pressure.
Fig. 2 is pressurizing device schematic diagram.
The integrated earth pillar simulation device assembling schematic diagram of many processes on-line monitoring when Fig. 3 is different temperature and pressure.
In figure, 1-pressurizing device, 1-1-PC machine, 1-2-servomotor, 1-3 speed reduction unit, 1-4-leading screw, 1-5-pressure transmitter, 2-pressure chamber, 2-1-seals press member, 2-2-thermal insulation layer, 2-3-thermopair, 2-4-detects aperture, 2-5-heating chamber, 2-6-sample chamber, 2-7-filter membrane, 2-8-sealing element, 2-9-drainage tray, 2-10-threaded connector, 3-gas-liquid collecting device, 3-1-kapillary, 3-2-tensimeter, 3-3-fluid flow controller, 3-4-gas-liquid separation device, 3-5-air bag, 3-6-collection airbag, 3-7-liquid flow controller, 3-8-titration apparatus, 3-9-liquid-collecting bottle.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, Fig. 2 and Fig. 3, the integrated earth pillar simulation device of many processes on-line monitoring when the present invention provides a kind of different temperature and pressure, the pressure chamber 2 comprise pressurizing device 1, utilizing pressurizing device to pressurize and gas-liquid collecting device 3, described pressurizing device comprises the servomotor 1-2 being provided with speed reduction unit 1-3, described speed reduction unit 1-3 is connected with pressure transmitter 1-5 by leading screw 1-4, and described servomotor 1-2 is connected with PC 1-1 or micro-chip, upper end, described pressure chamber 2 is provided with the sealing press member 2-1 being connected with servomotor 1-2, the lower end of pressure chamber is provided with sealing element 2-8, the inside of pressure chamber is equipped with the sample chamber 2-6 for filling sample, the lower end of sample chamber is provided with reverse frustoconic drainage tray 2-9, draining head is connected with threaded connector 2-10, threaded connector 2-10 is connected by kapillary 3-1 through the sealing element 2-8 of the lower end in pressure chamber with gas-liquid collecting device 3, the heating chamber 2-5 heated by thermopair 2-3 for filling liquid medium it is provided with in the sidewall of pressure chamber 2, the wiring of described thermopair picks out through the outer wall of pressure chamber, the sidewall of pressure chamber is provided with one group of detection aperture 2-4 of outside being connected pressure chamber and sample chamber, each detection aperture is provided with the sealing cover being provided with sample monitoring group, the outer wall of pressure chamber is provided with thermal insulation layer 2-2,Described gas-liquid collecting device 3 comprises the kapillary 3-1 being connected with threaded connector 2-10, on described kapillary, 3-1 is provided with tensimeter 3-2, fluid flow controller 3-3 and gas-liquid separation device 3-4, the entrance of described gas-liquid separation device 3-4 is connected with kapillary 3-1, the production well of gas-liquid separation device 3-4 is connected with collection airbag 3-6 by air bag 3-5, the liquid outlet of gas-liquid separation device 3-4 is connected with liquid-collecting bottle 3-9 by titration apparatus 3-8, titration apparatus 3-8 is provided with liquid flow controller 3-7, described air bag 3-5 and collection airbag 3-6 is all connected with gas-monitoring group, described titration apparatus 3-8 and liquid-collecting bottle 3-9 is all connected with liquid monitoring group, described pressure transmitter, tensimeter, fluid flow controller, liquid flow controller, sample monitoring group, gas detection group, liquid detecting group are all connected with PC.
Described sample detection group adopts electronic probe, and described gas detection group and liquid detecting group adopt spectrograph.
The room wall of described sample chamber adopts Hastelloy, and the inner and outer wall of sample chamber all indicates scale.
Described kapillary adopts PEEK material.
It is provided with radio temperature sensor in described sample chamber.
It is provided with radio temperature sensor in described pressure chamber.
Described radio temperature sensor is connected by wireless receptor with PC.
Filter membrane 2-7 and tetrafluoroethylene filter screen it is placed with from top to bottom successively in described sample chamber.
Described threaded connector adopts Hastelloy material.
Described pressure chamber wall adopts lagging material.
Heating chamber 2-5 can as shown in Figure 3, dig out in the inside, side of pressure chamber 2 chamber wall, and detection aperture 2-4 is connected the external world and is connected with sample chamber 2-6 in another side of pressure chamber wall; Can also directly around the chamber wall of whole pressure chamber 2, detection aperture 2-4 is not connected with it through the space of heating chamber, and detection aperture is still connected extraneous and sample chamber 2-6.
Utilize the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure provided by the invention, it is possible to complete multiple simulated experiment.
A, close to natural geologic condition mud increase temperature supercharging simulated experiment step as follows:
(1) sample collecting: choose representational (water content height, organic content height, microorganism enrich) mud in the seabed of near surface, lakebed or river bed and gather five groups of laboratory samples, utilize probing to gather five groups of natural geological samples at Different Strata buried depth;
(2) sample analysis before experiment: the natural geological sample getting initial experiment sample and different buried depth, carries out quantitatively characterizing to indexs such as its pore texture, pore water, mineral, organic matter and microorganisms respectively;
(3) sample preparation: freezing by carrying out after five groups of laboratory sample collections, sealing preserves, and makes it mate mutually with the cylindrical size of sample chamber 2-6;
(4) experimental installation assembling: the integrated earth pillar simulation device of many processes on-line monitoring when assembling different temperature and pressure by Fig. 3;
(5) sample load: prepare five groups of laboratory sample skins are scraped off, then puts into the sample chamber 2-6 that filter plate is housed, respectively label, and by five groups of natural geological samples label respectively;
(6) temperature supercharging is increased: control thermopair heating by temperature control heating device, pressurizeed by pressurizing device 1; The temperature control heating device of laboratory sample carried out preheating, more respectively optimum configurations in the data gathering calculating of experimental group and control device (i.e. PC) is set its cycle, final temperature and termination pressure by gradient;
(7) liquid, collection and confinement of gases: by the gas that produces in experiment and liquid by kapillary importing gravity type boat davit gas-liquid separation device 3-4, carry out gas-liquid separation;
(8) on-line monitoring: in experimentation, it is possible to the pore texture of on-line monitoring mud sample, mineral chemical composition and surface topography, temperature and pressure changing, water ratio, every index of pore water and every index of gas; By the image that exports and data in experiment by the real-time Acquire and process of PC;
(9) experiment after solid sample analysis: five groups tested after, get appropriate mud laboratory sample respectively, respectively the indexs such as its organic matter, microorganism analyzed;
(10) data that after last comprehensive each experimental group on-line monitoring gathers image, data and experiment, solid sample is analyzed, and be analyzed with the raw index of the physics and chemistry of different buried depth mud sample under natural geologic condition, increasing temperature Pressurization scheme is constantly adjusted, formulate mud under nature geologic condition and bury the scheme of evolution, reappear the geology evolutionary process that mud is very long.
It is as follows that b, dynamic monitoring mud bury the raw index change modeling experimental procedure of the physics and chemistry in evolutionary process:
(1) sample collecting: choose representational (water content height, organic content height, microorganism enrich) mud in the seabed of near surface, lakebed or river bed and gather five groups of laboratory samples.
(2) step of (2) to (9) in a is repeated to test according to the preferred plan formulated.
(3) data that finally comprehensive five groups of experiments obtain are analyzed, and quantitatively disclose the dynamic rule that mud buries the indexs such as physical structure in evolutionary process, pore water, mineral, gas, microorganism.
C, evaluate different environmental factors and buried by mud biomass geochemistry in process and develop to affect simulated experiment step as follows:
(1) with (1) to (2) step in experiment a.
(2) sample preparation and filling: carrying out freezing nearly after five groups of laboratory sample collections at the bottom of surface water, sealing preserves so that it is mate mutually with the cylindrical size of sample chamber. Prepare five groups of laboratory sample skins are scraped off, then the sample chamber 2-6 that filter plate is housed is put into, respectively label and five groups of experiments are carried out same degree envrionment conditions change process (such as, add the acid-basicity solution of equivalent, ionogen, organic carbon etc.), the mud under the different such environmental effects of simulation buries evolutionary process.
(3) step of (6) to (9) in a is repeated to test according to the preferred plan formulated.
(4) data that finally comprehensive five groups of experiments obtain are analyzed, it is determined that under different geology envrionment conditions, mud buries the difference of evolutionary process feature, evaluates different environmental factors and mud buries the impact that in process, biomass geochemistry develops.
Claims (10)
1. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure, the pressure chamber comprise pressurizing device, utilizing pressurizing device to pressurize and gas-liquid collecting device, it is characterized in that: described pressurizing device comprises the servomotor being provided with speed reduction unit, described speed reduction unit is connected with pressure transmitter by leading screw, and described servomotor is connected with PC or micro-chip, upper end, described pressure chamber is provided with the sealing press member being connected with servomotor, the lower end of pressure chamber is provided with sealing element, the inside of pressure chamber is equipped with the sample chamber for filling sample, the lower end of sample chamber is provided with reverse frustoconic drainage tray, draining head is connected with threaded connector, threaded connector is connected by kapillary through the sealing element of the lower end in pressure chamber with gas-liquid collecting device, the heating chamber heated by thermopair for filling liquid medium it is provided with in the sidewall of pressure chamber, the wiring of described thermopair picks out through the outer wall of pressure chamber, the sidewall of pressure chamber is provided with one group of detection aperture of outside being connected pressure chamber and sample chamber, each detection aperture is provided with the sealing cover being provided with sample monitoring group, the outer wall of pressure chamber is provided with thermal insulation layer,Described gas-liquid collecting device comprises the kapillary being connected with threaded connector, described kapillary is provided with tensimeter, fluid flow controller and gas-liquid separation device, the entrance of described gas-liquid separation device is connected with kapillary, the production well of gas-liquid separation device is connected with collection airbag by air bag, the liquid outlet of gas-liquid separation device is connected with liquid-collecting bottle by titration apparatus, titration apparatus is provided with liquid flow controller, described air bag and collection airbag are all connected with gas-monitoring group, and described titration apparatus and liquid-collecting bottle are all connected with liquid monitoring group; Described pressure transmitter, tensimeter, fluid flow controller, liquid flow controller, sample monitoring group, gas detection group, liquid detecting group are all connected with PC.
2. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: described sample detection group adopts electronic probe, and described gas detection group and liquid detecting group adopt spectrograph.
3. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: the room wall of described sample chamber adopts Hastelloy, and the inner and outer wall of sample chamber all indicates scale.
4. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure piece according to claim 1, it is characterised in that: described kapillary adopts PEEK material.
5. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: it is provided with radio temperature sensor in described sample chamber.
6. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: it is provided with radio temperature sensor in described pressure chamber.
7. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 5 or 6, it is characterised in that: described radio temperature sensor is connected by wireless receptor with PC.
8. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: it is placed with filter membrane and tetrafluoroethylene filter screen in described sample chamber from top to bottom successively.
9. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: described threaded connector adopts Hastelloy material.
10. the integrated earth pillar simulation device of many processes on-line monitoring when different temperature and pressure according to claim 1, it is characterised in that: described pressure chamber adopts lagging material.
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| CN105675506B (en) | 2016-12-14 |
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