CN204630876U - A kind of experimental provision of water under high pressure compound slurry stream sex change test - Google Patents
A kind of experimental provision of water under high pressure compound slurry stream sex change test Download PDFInfo
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- CN204630876U CN204630876U CN201520262802.XU CN201520262802U CN204630876U CN 204630876 U CN204630876 U CN 204630876U CN 201520262802 U CN201520262802 U CN 201520262802U CN 204630876 U CN204630876 U CN 204630876U
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Abstract
The utility model provides the experimental provision of a kind of water under high pressure compound slurry stream sex change test, and the experimental provision of water under high pressure compound slurry stream sex change test comprises: main gas cylinder, autoclave system, volume pump, water-bath and flow graph; Autoclave system comprises autoclave, data acquisition system (DAS) and stirring apparatus; Main gas cylinder is connected with flow graph with autoclave respectively, for give in autoclave with flow graph supply gas and adjustable pressure; Stirring apparatus comprises motor and paddle, prepares uniform hydrate slurry for stirring solution in autoclave; Water-bath is for regulating the temperature in autoclave and volume pump; Data acquisition system (DAS) is used for the temperature and pressure data in Real-Time Monitoring and record still; Volume pump one end is connected with autoclave, and the other end is connected with flow graph, for transferring in flow graph by hydrate slurry in autoclave; Flow graph is used for the hydrate slurry that measuring pump exports.
Description
Technical field
The utility model relates to hydrate slurry transportation art, espespecially a kind of experimental provision of water under high pressure compound slurry stream sex change test.
Background technology
In ocean and land pipelines gathering system, the application of oil gas water multiphase mixed transportation technology is very extensive.The application of multiphase mixed transportation technology simplifies marine and Land petroleum and mixes defeated facility, makes oil gas can be delivered directly to treatment plant and focuses on, and do not need first to carry out oil and gas and water from.For submarine pipeline, because environment temperature is low, the fluid under pipe inner high voltage is often in the generation district of hydrate, just may form hydrate under normal production conditions, very likely can cause the blocking of pipeline after accumulation, namely usually said " ice blocks up phenomenon ".In recent years, along with the development and application of low dosage hydrate inhibitor, study from suppressing hydrate to generate the exploratory development having turned to flowing safety risk management completely.Propose hydrate slurry multiphase technology as a kind of new method preventing Hydrate Plugging, namely for sea-bottom natural gas---condensed liquid mixed transporting tube line, polymerization inhibitor is injected by well head, the condensed liquid in pipeline and water is made to form rapidly stable Water in Oil emulsion, the water droplet disperseed in emulsion fluid under the environment of cryogenic high pressure and the gas reaction be dissolved in oil phase generate hydrate particle, and then it is mixed defeated together with gas phase to form hydrate/white oil suspending liquid.So only need to adopt traditional suppressing method under the special operation conditions such as stopping transportation startup, reduce and the possibility that ice blocks up accident occurs, save the huge cost of this kind of accident of process.For realizing the engineer applied of hydrate slurry conveying technology, the rheological of this special mixture must be furtherd investigate, setting up effective Forecasting Viscosity model.But at present also fewer and not deep enough to the research of hydrate slurry rheological, mainly measuring, analyze data and sum up experiment law, drawing some conclusions qualitatively.Thus be the basis of carrying out hydrate slurry conveying to the research of gas hydrate slurry liquid viscosity Changing Pattern and flow characteristics, be necessary to carry out experimental study.
Utility model content
For solving the problem, the utility model object is the experimental provision providing the sex change of water under high pressure compound slurry stream to test, and provides industry personnel a kind of easy hydrate slurry proving installation with this.
For reaching above-mentioned purpose, the experimental provision that the utility model specifically provides a kind of water under high pressure compound slurry stream sex change to test, the experimental provision of described water under high pressure compound slurry stream sex change test comprises: main gas cylinder, autoclave system, volume pump, water-bath and flow graph; Described autoclave system comprises autoclave, data acquisition system (DAS) and stirring apparatus; Described main gas cylinder is connected with described flow graph with described autoclave respectively, for give in described autoclave with described flow graph supply gas and adjustable pressure; Described stirring apparatus comprises motor and paddle, prepares uniform hydrate slurry for stirring solution in autoclave; Described water-bath is for regulating the temperature in autoclave and volume pump; Described data acquisition system (DAS) is used for the temperature and pressure data in Real-Time Monitoring and record still; Described volume pump one end is connected with described autoclave, and the other end is connected with described flow graph, for transferring in described flow graph by hydrate slurry in autoclave; Described flow graph is used for the hydrate slurry that measuring pump exports.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, the experimental provision of described water under high pressure compound slurry stream sex change test also comprises gas bomb, described gas bomb is arranged between described main gas cylinder and described autoclave, for storing the gas of main gas cylinder output and regulating described autoclave and described flow graph internal gas pressure to described autoclave and described flow graph input gas with trace.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, be also connected with supercharge pump between described main gas cylinder and gas bomb, described supercharge pump is for regulating described gas bomb internal gas pressure.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described paddle is pusher paddle and/or anchor formula oar.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described volume pump is connected with described flow graph with described autoclave respectively by connecting pipe, and described connecting pipe internal diameter is not less than 4mm.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, between described volume pump and described flow graph, be provided with valve, between described volume pump and described autoclave, be provided with valve.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described main gas cylinder and be provided with valve between described autoclave and described flow graph, described valve exports gas to described autoclave for controlling described main gas cylinder or exports gas to described flow graph.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described main gas cylinder and described gas bomb are respectively arranged with tensimeter, described tensimeter is in order to show described main gas cylinder or described gas bomb current gas pressure value.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, in described flow graph, force value is no more than 15MPa.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described data acquisition system (DAS) is in order to show in real time and to record the temperature and pressure data in reactor.
In the experimental provision of above-mentioned water under high pressure compound slurry stream sex change test, preferably, described data acquisition system (DAS) also comprises the online particle size analyzer of FBRM, and the online particle size analyzer of described FBRM is used for measuring hydrate slurry domain size distribution state in real time.
Advantageous Effects of the present utility model is: study different water cut, temperature, pressure, stir speed (S.S.) by autoclave and add the impact that dosage generates hydrate; Hydrate slurry Rheological Regularity is studied by arranging corresponding rheometry program; Finally can obtain the Forecasting Viscosity computing formula of hydrate slurry.This device is simple, easy to operate, determination hydrate slurry rheological that can be qualitative, quantitative.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiment of the present utility model or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings:
The experimental provision schematic diagram of the water under high pressure compound slurry stream sex change test that Fig. 1 provides for the utility model;
The experimental provision schematic diagram of the water under high pressure compound slurry stream sex change test that Fig. 2 provides for the utility model one embodiment;
In the emulsion fluid of Fig. 3 inhibitor concentration 3wt%, the distribution of water droplet is along with the Changing Pattern of mixing time.
Drawing reference numeral
1-main gas cylinder, 2-autoclave, 3-water-bath, 4-volume pump, 5-flow graph, 6-motor, 7-data acquisition system (DAS), 8-stirring apparatus, 9-breather line, 10-gas bomb, P-tensimeter
Embodiment
Clearly understand for making the object of the utility model embodiment, technical scheme and advantage, below in conjunction with the accompanying drawing in specific embodiment, technical scheme in the utility model patent Example is clearly and completely described, obviously, described embodiment is only a part of embodiment of the utility model patent, instead of whole embodiments.Based on the embodiment in the utility model patent, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of the utility model patent protection.
Please refer to shown in Fig. 1, the utility model one embodiment provides the experimental provision of a kind of water under high pressure compound slurry stream sex change test, and the experimental provision of described water under high pressure compound slurry stream sex change test comprises: main gas cylinder 1, autoclave system, volume pump 4, water-bath 3 and flow graph 5; Described autoclave system comprise autoclave 2, data acquisition system (DAS) 7 and stirring apparatus-; Described main gas cylinder is connected with described flow graph 5 with described autoclave 2 respectively, for giving in described autoclave 2 and described flow graph 5 supply gas and adjustable pressure; Described stirring apparatus comprises motor 6 and paddle 8, prepares uniform hydrate slurry for stirring solution in autoclave 2; Described water-bath 3 is for regulating the temperature in autoclave 2 and volume pump 4; Described data acquisition system (DAS) 7 is for the temperature and pressure data in Real-Time Monitoring and record still; Described volume pump 4 one end is connected with autoclave 2, and volume pump 4 other end is connected with flow graph 5, for transferring in flow graph 5 by hydrate slurry in autoclave 2; The hydrate slurry that described flow graph 5 exports for measuring pump 4.
In the above-described embodiments, described main gas cylinder 1 and be provided with valve between described autoclave 2 and described flow graph 5, described valve exports gas to described autoclave 2 for controlling described main gas cylinder 1 or exports gas to described flow graph 5.In real work, by being all provided with valve between described main gas cylinder 1 and described autoclave 2 and between described main gas cylinder 1 and described flow graph 5, so that autoclave 2 described in staff's handled easily and the air pressure in described flow graph 5.In actual tests, staff, by injecting relevant hydrate feed to autoclave 2, injects associated gas by main gas cylinder 1 and by after autoclave 2 air pressure adjustment to the specific atmospheric pressure value of needs; The paddle 8 controlled in autoclave 2 by motor in stirring apparatus 6 rotates as push-paddle and anchor formula oar, above-mentioned hydrate feed is fully mixed with gas, prepares uniform hydrate slurry; In this preparation process, for ensureing the high pressure low temperature environment of autoclave 2, the utility model regulates temperature in described autoclave 2 in real time by circulator bath 3.After prepared by described hydrate slurry, described hydrate slurry has exported in flow graph 5 by volume pump 4 from autoclave 2, and staff obtains the correlation test parameter of above-mentioned hydrate slurry by flow graph 5, completes test.In the above-described embodiments, be also provided with breather line 9, for inputting gas or exhaust, particular location as shown in Figure 1.
In data acquisition system (DAS) 7 described in above-mentioned autoclave system for showing in real time and recording temperature and air pressure in described autoclave 2; Staff can control related valve and water-bath in time according to described pressure and temperature registration and adjust pressure and temperature value in autoclave 2, to ensure to be in suitable experimental enviroment in described autoclave system.
Please refer to again shown in Fig. 2, in another embodiment of the present utility model, the experimental provision of described water under high pressure compound slurry stream sex change test also can comprise gas bomb 10, described gas bomb 10 is arranged and between described main gas cylinder 1 and described autoclave 2, for storing gas that main gas cylinder 1 exports and inputting gas to described autoclave 2 and flow graph 5 and trace regulates described autoclave and flow graph 5 internal gas pressure.Consider that main gas cylinder 1 operates in real work comparatively to bother, the utility model provides gas bomb 10 to carry out the microoperation of alternative main gas cylinder 1 in the present embodiment, make staff's operation for fractional value in process of the test, as the operations such as atmospheric pressure value fine setting can directly have been come by gas bomb 10, make test parameters in process of the test more accurate on regulating, and operation is more convenient.Preferably, also can be connected with compressor and/or air compressor etc. between described main gas cylinder and gas bomb, as shown in Figure 2, described compressor and/or air compressor can be used for regulating described gas bomb internal gas pressure.Described main gas cylinder 1 and described gas bomb 10 are respectively arranged with tensimeter, and described tensimeter is in order to show described main gas cylinder or described gas bomb current gas pressure value.
Described volume pump 4 can be the hand volume pump of JB-3 model in the above-described embodiments; Described flow graph is Anton Paar Mcr101 flow graph.
Be provided with valve between described volume pump 4 and described flow graph 5 in the above-described embodiments, between described volume pump 4 and described autoclave 2, be provided with valve.In real work, first the valve between described volume pump 4 and described autoclave 2 is opened, described volume pump 4 first extracts hydrate slurry out from autoclave 2, then this valve is closed, open the valve between described volume pump 4 and described flow graph 5, the hydrate slurry of above-mentioned extraction is drawn in described flow graph 5.In the above-described embodiments, in described flow graph 5, force value is no more than 15MPa.
Please refer to again shown in Fig. 2, for the experimental provision structural representation of the water under high pressure compound slurry stream sex change test that the utility model one embodiment provides, the device of this test to hydrate slurry rheology impact comprises: based on autoclave 2, be its cooling by water-bath 3 (such as circulator bath), to realize generating hydrate slurry object; High-pressure spray becomes test macro, connects flow graph 5 form by hand volume pump 4, is transferred in flow graph 5 by the hydrate slurry generated measures its viscosity in autoclave 2 by hand volume pump 4.
In the above-described embodiments, in described autoclave, paddle can adopt two oar design, one of them oar in two oar can adopt anchor formula oar, the hydrate particle that may be attached on autoclave inwall in experiment is scraped off by anchor formula oar, but due to anchor formula oar, to be subject to the resistance of fluid larger again, the power consumed is higher, runs and easily causes motor overheating, and mix insufficient under the slow-speed of revolution under high rotating speed.And if in autoclave, form wall cling phenomenon, hydrate particle to be substantially only attached at the bottom of still and 1/3rd places at the bottom of distance still sidewall on.Therefore, take the strategy reducing anchor formula oar height further, can be retained it and scrape wall effect, cpable of lowering power consumption again.Another oar can select the axial flow type representative-pusher paddle having radial and tangential flowing concurrently, and be applicable to the occasion of low glutinous, large discharge, stirring power demand is less; Be mainly used in the mixing of liquid liquid, in the solid-liquid system of low concentration, prevent sedimentation.With this, by the cooperation of two oar, the reaction rate of aqueous solution in large raising autoclave can be use up.
Secondly, in the above-described embodiments, for improving the emulsifying effectiveness of hydrate slurry in autoclave, a particle size analyzer can be added further, described hydrate slurry is formed under high pressure low temperature condition by water-in-oil emulsion, therefore the character of slurries will be subject to the impact of emulsion fluid feature to a great extent, and mixing time affects to add one of most important factor of agent water-oil emulsion stability.Under same speed of agitator, different mixings time, the emulsifying effectiveness of emulsion fluid can be caused different, and emulsifying effectiveness is determined by the domain size distribution of the water droplet after measuring different mixing time, in prior art, whether usually up to standard by operating personnel's micro-judgment hydrate slurry emulsifying effectiveness, the different experience of different work personnel standard is different, causes later stage measurement result also to there will be certain error; For overcoming this situation, the utility model also provides a kind of particle size analyzer of real-time detection hydrate slurry, the domain size distribution of water droplet in hydrate slurry in current autoclave is measured in real time by this particle size analyzer, thus obtain reference value comparatively accurately, also can better help operating personnel to determine best mixing time by this reference value; Described particle size analyzer can adopt the online particle size analyzer of FBRM to perform the domain size distribution measuring water droplet in emulsion fluid in real time, the online particle size analyzer of wherein said FBRM is Switzerland plum Teller-Tuo benefit FBRM (Focused Beam Reflectance Measurement, Focused Beam Reflectance is measured) online grain analyser D600PST, measure particle size range 0.5 ~ 1000 μm, temperature range-20 ~ 150 DEG C, maximum pressure 150bar, for the situation of change of online tracing particle and drop.But the utility model is not as limit.
Fig. 3 is the Changing Pattern of distribution along with mixing time of water droplet in emulsion fluid, and wherein preparation condition is water percentage 10%, inhibitor concentration 3wt%, speed of agitator 800r/min, and mixing time is respectively 10min, 15min, 20min and 25min.As shown in Figure 3, along with the increase of mixing time, next is not determined the chord length of water droplet under water droplet particulate accumulation percentage and diminishes in the same time, and namely in whole system, drop particle diameter diminishes, and illustrates that emulsion fluid more tends towards stability.Simultaneously, time mixing time is increased to 25min by 20min, in emulsion fluid, the domain size distribution change of water droplet is very little, coalescence and the dispersion of the water droplet at this moment in emulsion fluid reach balance, emulsion fluid tends towards stability, and the mixing time of 20min is defined as the best mixing time under this emulsion fluid configuration condition.Exceed the stirring of this time, little on the impact of droplet size distribution in emulsion fluid, the coalescence of water droplet and the balance of dispersion in emulsion fluid cannot be broken, this also shows that the stability of the mixing time under certain speed of agitator to emulsion fluid has boundedness, at this moment wanting to make the particle diameter of water droplet in emulsion fluid less, cannot reach by improving mixing time.Can be determined by data results, the temperature-fall period used time of this experimental system before hydrate generates all is greater than best mixing time, and the emulsion fluid namely before generation is fully stable.
In hydrate formation, because experimental provision volume is less and speed of agitator is higher, make the hydrate slurry that generates more homogeneous, and hydrate particle is better dispersed, grain diameter is less.And in the transfer process of hydrate slurry, because flow velocity is less, relative to the beating action in autoclave, its shear action is more weak, and due to the hydrophilic nmature of hydrate itself, very easily forms the larger aggregation of particle diameter, thus blocking pipeline, affect flow liquid transmission; For avoiding the problems referred to above, volume pump described in this experimental provision, connecting pipe between described autoclave and described flow graph adopt internal diameter to be not less than the connecting line of 4mm, even if hydrate particle is assembled like this, also can not affecting flowing and the transfer of fluid, namely eliminating by increasing caliber the plugging phenomenon that particle aggregation causes.
For ease of understanding, the utility model provides a specific embodiment, specific as follows:
Described autoclave 2 is for generating hydrate slurry container, and volume is 400ml, can generate hydrate slurry in different water cut, temperature, pressure, stir speed (S.S.) with under adding agent condition.
Described high-pressure spray becomes test macro volume pump used 4 and can be hand volume pump, and model is JB-3, and range 100ml is connected with the entrance of autoclave 2; Described flow graph 5 is Anton Paar Mcr101 flow graph, and the highest 15MPa of design pressure, exports with hand volume pump and be connected.
In actual tests, with reference to the schematic diagram that figure 2 provides, preferably, each control element all adopts high pressure resistant material.For the experiment condition of measuring tempeature 3 DEG C, original pressure 7MPa, water percentage 30%, inhibitor concentration 3wt% and speed of agitator 800r/min, operating process is described:
(1) hydrate slurry preparation process
1. air tightness test: close all exhaust of experimental provision and draining valve, by main gas cylinder 1 or gas bomb 10 to experimental provision nitrogen injection to 9MPa after close air intake valve.Open water-bath 3, adjust the temperature to 20 DEG C and maintain half an hour, if when temperature-resistant, the pressure in half an hour is also constant, and illustrative experiment device impermeability is good.Otherwise, utilize valve experimental provision to be divided into independently a few part, each several part impermeability checked respectively.Gas leakage is found to put and after repairing, repeat above-mentioned test process, until the impermeability of device reaches requirement of experiment.After test process terminates, Open valve carries out pressure release to the whole experimental provision except gas cylinder.
2. emulsion fluid preparation: joined by test medium in autoclave 2, comprise 210mL diesel oil, 90mL water and 2.7g polymerization inhibitor, after sealing, inject natural gas straight reach 9MPa to pressure to autoclave 2, closes air intake valve.Open stirring apparatus, and to set speed of agitator be 800r/min, control paddle 8 by motor 6 and rotate.Setting water-bath 3, makes reaction under high pressure temperature in the kettle within half an hour, maintain 20 DEG C, prepares diesel emulsion.In whipping process, gas can dissolve in a large number, if pressure is lower than 7MPa, then Open valve tonifying Qi is until pressure reaches 7MPa.
3. the preparation of hydrate slurry: after the preparation process of emulsion fluid completes, regulate the temperature of water-bath 3 to be set as 0 DEG C, autoclave 2 enters temperature-fall period.Maintain speed of agitator and observed at 800r/min the data gathered in whole process by data acquisition system (DAS) 7, if in certain hour, (30min) pressure and temperature all no longer changes after generation hydrate slurry, show that now hydrate formation terminates, now pressure gauge reading is 3.6MPa.
(2) hydrate slurry viscosity measuring process
1. start flow graph 5, utilize flow graph 5 temperature control module to set empty cavity temperature at 3 DEG C.Editor's flow graph 5 test procedure, makes hydrate slurry be subject to a series of constant shear effect, and records corresponding shear rate, shear stress and viscosity etc.
2. open volume pump 4 imported valve, utilize hand volume pump 4 to extract 18mL hydrate slurry in autoclave 2.
3. close volume pump 4 imported valve, open outlet valve, hydrate slurry is driven in flow graph 5, close outlet valve.
4., after hydrate slurry transfer process completes, the test procedure editted is started.
5., when carrying out repeated experiment, need to change the sample in flow graph 5.After closing flow graph 5, first utilize the cooperation between valve, disconnect the connection of autoclave 2 and rheological 5 experiments of measuring device side.Then open the valve that flow graph 5 communicates with air, utilize pressure reduction to be discharged by most of sample of rheology tests device side.Open after flow graph 5 cleans out residual fluid, re-assemblied experimental provision.To the side tonifying Qi of rheology tests device to 3.6MPa, repeat step 1. ~ 4..
6. after measuring process terminates, open drain tap and carry out pressure release, when pressure drops to 0.5MPa, open the draining valve on autoclave 2 end and flow graph 5, utilize the fluid in pressure reduction discharge system.
7. clear up whole experimental provision, then purge with nitrogen.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. an experimental provision for water under high pressure compound slurry stream sex change test, is characterized in that, the experimental provision of described water under high pressure compound slurry stream sex change test comprises: main gas cylinder, autoclave system, volume pump, water-bath and flow graph;
Described autoclave system comprises autoclave, data acquisition system (DAS) and stirring apparatus;
Described main gas cylinder is connected with described flow graph with described autoclave respectively, for give in described autoclave with described flow graph supply gas and adjustable pressure;
Described stirring apparatus comprises motor and paddle, prepares uniform hydrate slurry for stirring solution in autoclave;
Described water-bath is for regulating the temperature in autoclave and volume pump;
Described data acquisition system (DAS) is used for the temperature and pressure data in Real-Time Monitoring and record still;
Described volume pump one end is connected with described autoclave, and the other end is connected with described flow graph, for transferring in described flow graph by hydrate slurry in autoclave;
Described flow graph is used for the hydrate slurry that measuring pump exports.
2. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, the experimental provision of described water under high pressure compound slurry stream sex change test also comprises gas bomb, described gas bomb is arranged between described main gas cylinder and described autoclave, for storing the gas of main gas cylinder output and regulating described autoclave and described flow graph internal gas pressure to described autoclave and described flow graph input gas with trace.
3. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, be also connected with supercharge pump between described main gas cylinder and gas bomb, described supercharge pump is for regulating described gas bomb internal gas pressure.
4. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, described paddle is pusher paddle and/or anchor formula oar.
5. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, described volume pump is connected with described flow graph with described autoclave respectively by connecting pipe, and described connecting pipe internal diameter is not less than 4mm.
6. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, is characterized in that, be provided with valve between described volume pump and described flow graph, be provided with valve between described volume pump and described autoclave.
7. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, described main gas cylinder and be provided with valve between described autoclave and described flow graph, described valve exports gas to described autoclave for controlling described main gas cylinder or exports gas to described flow graph.
8. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 3, it is characterized in that, described main gas cylinder and described gas bomb are respectively arranged with tensimeter, and described tensimeter is in order to show described main gas cylinder or described gas bomb current gas pressure value.
9. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, in described flow graph, force value is no more than 15MPa.
10. the experimental provision of water under high pressure compound slurry stream sex change test according to claim 1, it is characterized in that, described data acquisition system (DAS) is in order to show in real time and to record the temperature and pressure data in reactor.
The experimental provision of 11. water under high pressure compound slurry stream sex change tests according to claim 10, it is characterized in that, described data acquisition system (DAS) also comprises the online particle size analyzer of FBRM, and the online particle size analyzer of described FBRM is used for measuring hydrate slurry domain size distribution state in real time.
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| CN104964898A (en) * | 2015-04-28 | 2015-10-07 | 中国石油大学(北京) | Experiment apparatus for high pressure hydrate slurry rheological property test |
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