CN203643428U - Safety evaluation device for simulating fluid flow in oil and gas pipeline - Google Patents
Safety evaluation device for simulating fluid flow in oil and gas pipeline Download PDFInfo
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- CN203643428U CN203643428U CN201320849500.3U CN201320849500U CN203643428U CN 203643428 U CN203643428 U CN 203643428U CN 201320849500 U CN201320849500 U CN 201320849500U CN 203643428 U CN203643428 U CN 203643428U
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Abstract
The utility model discloses a safety evaluation device for simulating fluid flow in an oil and gas pipeline. The device comprises a multi-phase flow circulation system, a separation system, a fluid injection system and a waste gas recovery system. The device is born at the right moment on the basis that the current fluid flow safety hot issue is fully considered, a low-temperature high-pressure environment can be simulated, the device is used for performing safety evaluation on fluid flow of the oil and gas pipeline, and solves the problem oil and gas pipeline blockage caused by hydrate and wax deposit and oil and gas delivery safety problem caused by pipeline corrosion. However, the device is not limited to evaluation and can be used for researches in multiple aspects such as discuss in multi-phase fluid flow rule and evaluation of performance of a hydrate inhibitor. The device has the characteristics of reasonable structure, elaborate design, flexibility in operation and measurement accuracy.
Description
Technical field
The utility model relates to the mobile safety evaluation device of a kind of simulated oil feed channel fluid.Belong to the mobile safety guarantee technical field of oil and gas pipes fluid.
Background technology
In pipe-line, can be because the line clogging that the problems such as hydrate, wax deposit cause and the safety problem that causes because of corrosive pipeline, thus cause security incident.In addition,, under the cryogenic high pressure environment at deep-sea, deep water seabed, gas pipe line is also very easy to stop up and initiation security incident because the generation of hydrate produces.Along with deep-sea gas extraction is more and more paid attention to, further strengthen the requirement to deep-sea production gas technology, also further the security of deep-sea gas production is had higher requirement.
U.S.'s Gulfian crude oil leakage of 2010 is exactly because failure is sealed in the existence of a methane bubble because of oil pipeline sealing part, finally cause " deep water local horizon " drilling platform that is positioned at the Gulfian blast and cause big fire, thereby cause a series of economic loss and environmental pollution.And 2013 Qingdao Huang Island oil pipelines explode one of them reason because corrosive pipeline causes.As can be seen here, the fluid delivery safety problem of oil and gas pipes should not be underestimated, also imperative about the evaluation of oil and gas pipes fluid delivery safety, particularly needs just can obtain by rational evaluating apparatus the evaluation method of science.Various countries scholar has set up many heterogeneous fluid delivery safety experimental provisions, as French IFP-lyre loop, Archimedes (Archimede flow loop) loop, Mobil (ExxonMobil) experiment loop, these loops have such as the advantage such as novel in design, easy to operate, although utilize these loops can obtain the experimental data of some science, be also nowhere near for evaluating the mobile secure context of fluid.Based on this, design the mobile safety evaluation device of a kind of oil and gas pipes fluid, can simulate cryogenic high pressure environment, complex-terrain landforms, concavo-convex state of ground etc., be used for carrying out the oil and gas pipes fluid safety evaluatio that flows, the safety problem that comprises line clogging that the problems such as research hydrate, wax deposit cause and cause because of corrosive pipeline.
Utility model content
The purpose of this utility model is to provide the mobile safety evaluation device of a kind of simulated oil feed channel fluid.By oil, gas, one in solid mutually or heterogeneous circulating in loop, add the outer circulation effect of refrigerant, can under cryogenic high pressure condition, carry out the research of hydrate fluid delivery safety rule.
The utility model object is achieved through the following technical solutions:
The mobile safety evaluation device of a kind of simulated oil feed channel fluid, comprises the polyphasic flow circulation system, piece-rate system, infusion fluid systems, gas recovery system,
The described polyphasic flow circulation system comprises by auxiliary line and is in turn connected to form the air and liquid mixer of closed circuit, some detachable pipeline sections being connected in series mutually by flange, the 8th gate valve, surge tank, multiphase mixing transmission pump, the second retaining valve, between described detachable pipeline section, be also connected with curve pipe by flange
Single detachable pipeline section outside surface is enclosed with circulation jacket pipe, on described circulation jacket pipe, be provided with the refrigerant circulation interface that connects refrigerant, single detachable pipeline section is also provided with the sensor interface for connecting temperature sensor and pressure transducer near the two ends of flange, its stage casing is connected with focused beam reflection measuring set, on described detachable pipeline section or curve pipe, is also connected with vacuum pump;
Described piece-rate system comprises and is provided with gas chromatograph interface, the second safety valve, the second manometric knockout drum, the entrance of described knockout drum connects the detachable pipeline section exit of serial connection mutually by the 7th gate valve, described gas-liquid separation tank top is provided with gas exhaust piping, and bottom is provided with liquid chromatograph and the adaptor for product discharge with the 3rd gate valve;
Described infusion fluid systems comprises that liquid injects circuit and gas inject circuit, and described liquid injects circuit and is formed by connecting by pipeline successively by reservoir, high-pressure plunger pump, air and liquid mixer,
Described gas inject circuit comprises the gas cylinder, gas meter, gas boosting pump, the second gate valve, the first retaining valve that are connected in sequence by pipeline, the delivery outlet of described the first retaining valve is connected with air and liquid mixer, between the delivery outlet of the delivery outlet of described gas meter and the second gate valve, be also arranged in parallel the pipeline of tool the first gate valve, the delivery outlet of described gas boosting pump is provided with the first safety valve and the first tensimeter;
Described gas recovery system comprises gas returnable bottle, described gas returnable bottle connects the gas exhaust piping of described gas-liquid separation tank top by pipeline and the 5th gate valve, described gas exhaust piping is also connected with gas cylinder 1 by the 4th gate valve, between described the 5th gate valve and described gas returnable bottle, is connected with the output terminal of gas boosting pump 4 by pipeline and the 6th gate valve.
Further, described detachable pipeline section is linear and/or bent.
Further, described curve pipe is " U " shape, " V " shape, " N " shape, " M " shape, " W " shape, serpentine.
Further, described detachable pipeline section is at least serially connected with one section of visible segments testing tube of making taking sapphire as material.
Further, described knockout drum and surge tank outside surface are enclosed with circulation jacket pipe, are provided with the refrigerant circulation interface that connects refrigerant on described circulation jacket pipe.
Further, described polyphasic flow circulation system working pressure range is 0.1MPa ~ 30MPa, and operating temperature range is-70 DEG C ~ 100 DEG C, and flow rates is 0 ~ 2m/s.
Further, in described detachable pipeline section or curve pipe, be provided with video probe.
Further, described flange is connected with concentric reducer joint.
Described curve pipe can be horizontally outward protruding installation, level concave installation, at right angle setting, face upward or downward installation.
In said apparatus, described gas chromatographicanalyzer is connected with gas chromatograph interface, and described chromatographic analyzer of liquid phase is connected with the 3rd gate valve.
The utility model device is taked above technical scheme, has the following advantages:
(1) detachably convenient, flexible for installation: the detachable pipeline section in polyphasic flow circulation line and curve pipe, not only can realize detachable, reducing, the functions such as inclination certain angle installation, and " on curve pipe, can accomplish to be out of shape function, be that described curve pipe can be horizontally outward protruding placement, the level placement that concaves, vertical placement, face upward or downward placement, curve pipe is replaceable is " V " shape, " N " shape, " M " shape, " W " shape, the curve shapes such as serpentine, this dirigibility, can be according to the goal in research of actual experiment, carry out reducing, tilt install or curve pipe carried out to the arrangement of any direction, greatly improve the research range of hydrate flowing law.
(2) measurement science: the detachable pipeline section in the polyphasic flow circulation system and curve pipe are provided with respectively the instruments such as pressure transducer, temperature sensor, video probe, focused beam reflection measuring set, visible segments testing tube at the center section of two ends and pipeline section, can real-time online measuring and collect experimental data, make experimental technique more scientific, experiment content is abundanter, and experiment image data more comprehensively.
(3) temperature control is accurate: some sections of detachable pipeline sections and curve pipe in the polyphasic flow circulation system all adopt jacket type temperature control mode.The temperature of the each pipeline section of outer circulation control by refrigerant.Each pipeline section is taked refrigerant outer circulation, is connected in parallel, with entering with going out.Middle part and the shank of each pipeline section are respectively arranged with temperature sensor, because collecting pipeline section actual temperature by temperature sensor, thus the watt level of adjustment refrigeration unit, and then adjust to realistic objective temperature.Operating temperature range is-70 DEG C ~ 100 DEG C, and this experimental provision adopts chuck mode to carry out temperature control, and adopts ultra-low temperature refrigerating device temperature control, powerful, advanced technology, and precision reaches 0.01 DEG C.
(4) powerful: the utility model device has adopted the heterogeneous ebullator of high pressure.Can carry out gas, liquid, solid three-phase carries simultaneously.Adopt Variable Frequency Speed Regulation Principle to carry out frequency control to pump.Because high pressure multiphase mixing transmission pump can carry out multi-phase mixed delivering function, therefore unnecessaryly to carry out as before mixing again after gas-liquid separation defeated, the similarity that this has improved experiment and actual conditions greatly, more tallies with the actual situation the data obtained.Ensure stability and the security of pressure in pipeline.And can under pressure, carry out experimental study arbitrarily.In conjunction with function of temperature control, can realize the hydrate composite experimental study under cryogenic high pressure condition completely again.
(5) strong adaptability: gas fills into circuit and the gas in gas cylinder can be added in circulation line by gas boosting pump, controls thus manifold pressure, by refrigerant circulation, can control tube road in temperature, two variablees are separate.
(6) cost-saving: the gas after separation from knockout drum out, increase pump with gas cylinder and gas respectively and be connected.When experiment finishes, in the time that pipeline internal gas pressure is very large, gas can directly be recovered in empty gas cylinder, and in the time reaching balance, gas recovery is opened gas boosting pump, reclaims in gas cylinder through reclaiming the gas in pipeline to be all pumped into, and has greatly saved gas usage.
(7) security is good: above-mentioned gas-liquid separation pot bottom is provided with liquids recovery pipeline, and on knockout drum, is provided with blowdown valve, can under emergency, in time liquid or gas be discharged.
Brief description of the drawings
Fig. 1 is the one-piece construction schematic diagram of the utility model embodiment mono-.
Fig. 2 is the polyphasic flow circulation system partial structurtes schematic diagram of the utility model embodiment bis-.
Fig. 3 is the polyphasic flow circulation system partial structurtes schematic diagram of the utility model embodiment tri-.
1-gas cylinder, 2-gas meter, 3-the first gate valve, 4-gas boosting pump, 5-the first safety valve, 6-the first tensimeter, 7-the second gate valve, 8-the first retaining valve, 9-high-pressure plunger pump, 10-air and liquid mixer, 11-visible segments testing tube, 12-curve pipe, 13-flange, 14-circulation jacket pipe, 15-refrigerant circulation interface, 16-sensor interface, the detachable pipeline section of 17-, 18-surge tank, 19-multiphase mixing transmission pump, 20-the second retaining valve, 21-gas chromatograph interface, 22-knockout drum, 23-the second safety valve, 24-the second tensimeter, 25-the 3rd gate valve, 26-the 4th gate valve, 27-the 5th gate valve, 28-gas returnable bottle, 29-the 6th gate valve, 30-the 7th gate valve, 31-the 8th gate valve (closing surge tank 8 when extracting in pipeline waste material and discharge), 32-focused beam reflection measuring set.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is further described in detail.
Embodiment 1
As shown in Figure 1, a kind of simulated oil feed channel fluid safety evaluation device that flows, comprises the polyphasic flow circulation system, piece-rate system, infusion fluid systems, gas recovery system,
The described polyphasic flow circulation system comprises by auxiliary line and is in turn connected to form the air and liquid mixer 10 of closed circuit, some detachable pipeline section 17, the 8th gate valve 31, surge tank 18, multiphase mixing transmission pump 19, the second retaining valves 20 being connected in series mutually by flange 13, between described detachable pipeline section 17, be also connected with curve pipe 12 by flange 13
Single detachable pipeline section 17 outside surfaces are enclosed with circulation jacket pipe 14, on described circulation jacket pipe 14, be provided with the refrigerant circulation interface 15 that connects refrigerant, single detachable pipeline section 17 is also provided with the sensor interface 16 for connecting temperature sensor and pressure transducer near the two ends of flange 13, its stage casing is connected with focused beam reflection measuring set 32, on described detachable pipeline section 17 or curve pipe 12, is also connected with vacuum pump;
Described piece-rate system comprises the knockout drum 22 that is provided with gas chromatograph interface 21, the second safety valve 23, the second tensimeter 24, the entrance of described knockout drum 22 connects detachable pipeline section 17 exits of serial connection mutually by the 7th gate valve 30, described knockout drum 22 tops are provided with gas exhaust piping, and bottom is provided with liquid chromatograph and the adaptor for product discharge with the 3rd gate valve 25;
Described infusion fluid systems comprises that liquid injects circuit and gas inject circuit, and described liquid injects circuit and is formed by connecting by pipeline successively by reservoir, high-pressure plunger pump 9, air and liquid mixer 10,
Described gas inject circuit comprises the gas cylinder 1, gas meter 2, gas boosting pump 4, the second gate valve 7, the first retaining valve 8 that are connected in sequence by pipeline, the delivery outlet of described the first retaining valve 8 is connected with air and liquid mixer 10, between the delivery outlet of the delivery outlet of described gas meter 2 and the second gate valve 7, be also arranged in parallel the pipeline of tool the first gate valve 3, the delivery outlet of described gas boosting pump 4 is provided with the first safety valve 5 and the first tensimeter 6;
Gas is gases at high pressure out from gas cylinder 1, when beginning, gas directly enters in the middle of the polyphasic flow circulation system through gas meter 2 and the first gate valve 3, the first retaining valve 8 from gas cylinder 1, the first retaining valve 8 does not reflux in order to ensure the gas on gas inject circuit, can ensure that like this gas is injected in the polyphasic flow circulation system smoothly.
In the time that air pressure reaches balance, open gas boosting pump 4, the gas in gas cylinder 1 can be pumped in the polyphasic flow circulation system until reach specified pressure in the polyphasic flow circulation system, can adjust air inflow by the data that collect on pressure transducer simultaneously.
Described gas meter 2 can instantly measure be pumped into the amount of the gas in the polyphasic flow circulation system.
The first safety valve 5 and the first tensimeter 6 are installed on described gas boosting pump 4, can at-once monitor manifold pressure situation.Once there is overpressure situation, the first safety valve 5 is automatically opened and is carried out pressure release, guarantees the safety of air inlet pipeline.
Described gas recovery system comprises gas returnable bottle 28, described gas returnable bottle 28 connects the gas exhaust piping at described knockout drum 22 tops by pipeline and the 5th gate valve 27, described gas exhaust piping is also connected with gas cylinder 1 by the 4th gate valve 26, between described the 5th gate valve 27 and described gas returnable bottle 28, is connected with the output terminal of gas boosting pump 4 by pipeline and the 6th gate valve 29.
Described detachable pipeline section 17 is linear, and described curve pipe 12 is " U " shape.
Described detachable pipeline section 17 is serially connected with one section of visible segments testing tube 11 of making taking sapphire as material.
Described knockout drum 22 and surge tank 18 outside surfaces are enclosed with circulation jacket pipe 14, are provided with the refrigerant circulation interface 15 that connects refrigerant on described circulation jacket pipe 14.
Described polyphasic flow circulation system working pressure range is 0.1MPa ~ 30MPa, and operating temperature range is-70 DEG C ~ 100 DEG C, and flow rates is 0 ~ 2m/s.
In described detachable pipeline section 17 or curve pipe 12, be provided with video probe, can be used for situation in observation tube.
Described flange 13 is connected with concentric reducer joint.
The pipeline that detachable pipeline section 17 is grown up by flange 13 serial connections, is provided with temperature and pressure sensor in every two adjacent detachable pipeline section 17 junctions, by data acquisition unit, and temperature and pressure that can Real-Time Monitoring interface.
Above-mentioned detachable pipeline section 17, is also provided with pressure and temperature sensor each section of horizontal straight tube middle part, by data acquisition unit, and temperature and pressure that can Real-Time Monitoring interface.
Object at detachable pipeline section 17 joints and middle part set temperature and pressure transducer is, can judge whether fluid certain position in pipeline exists leakage situation by the temperature difference differential pressure detecting.Above-mentioned detachable pipeline section 17 and curve pipe 12 all adopt chuck mode to carry out refrigerant circulation, and its object has two, one, are used to form the temperature conditions that hydrate generates; The 2nd, take away the heat producing when hydrate forms, the environmental baseline that keeps hydrate to form.For ensureing enough amount of cooling water, detachable pipeline section 17 and curve pipe 12 all adopt the mode that is connected in parallel of refrigerant circulation, by refrigeration machine cooling medium liquid out, through the effect of outer circulation pump, enter into the chuck of detachable pipeline section 17 and curve pipe 12 simultaneously, then be back to simultaneously and in refrigeration machine, carry out refrigeration cycle again.This kind of design ensured the abundant refrigerating function and the temperature control level that has improved package unit of refrigerant greatly.
For in multiphase flow experiment, can the in the situation that of different fluid transport path, observe multiphase flow experiment situation, above-mentioned detachable pipeline section 17 can be installed with certain angle of inclination, the pipeline section that also curve pipe 12 can be replaced by other curve shape is installed, also can be by curve pipe 12 with level, vertical or install with surface level inclination certain angle.Be conducive to find from different perspectives the flowing law of polyphasic flow.
Knockout drum 22 and surge tank 18 adopt jacket type refrigerant circulation structure too, are all designed to jacket type structure at knockout drum and surge tank outside, adopt equally refrigerant circulation mode to carry out thermostatic control.
The device such as visible segments testing tube 11 and focused beam reflection measuring set of making taking sapphire as material can be installed on certain section of detachable pipeline section 17, current intelligence that can Real Time Observation tube fluid.
For reaching needed vacuum environment of when experiment, can be in polyphasic flow circulation system pipeline arbitrarily tool interface system place vacuum pump is set, because whole pipeline is intercommunication, therefore, can make to reach in pipe required vacuum tightness requirement by the mode vacuumizing completely.
In order to carry out under same flow concrete conditions in the establishment of a specific crime the variation of the flow morphology when through different tube diameters, can carry out reducing replacing in the place of needs, adopt concentric reducer joint, then be aided with flange 13 and can connect.
For measuring the evaluation of corrosive nature of certain material, the detachable pipeline section 17 of stainless steel material customized can be replaced with to the detachable pipeline section 17 of other materials, can carry out the testing experiment of the corrosive nature under specific hydrate slurry condition.
The pipeline exit of the heterogeneous circulation system, connects a threeway, and one of threeway is connect surge tank 18 and carried out the circulation experiment of gas-liquid two-phase by the 8th gate valve 31, and the other end connects knockout drum 22 by the 7th gate valve 30.Carrying out in the middle of multiphase flow experiment process, what use due to us is high pressure multiphase mixing transmission pump, therefore can close knockout drum 22 access ports, opens the 8th gate valve 31, closes the 7th gate valve 30, can realize like this polyphasic flow circulation experiment.
Gas phase while end for reaching experiment and the analysis result of liquid composition and the recovery of gas-liquid two liquid, in the time that experiment finishes, open the 7th gate valve 30 and close the 8th gate valve 31, can make polyphasic flow enter into knockout drum 22 and carry out gas-liquid separation, the gas chromatograph of recycling gas-liquid separation tank top just can carry out sample analysis gas phase component, utilizes the liquid chromatograph of gas-liquid separation pot bottom just can carry out sample analysis liquid phase component.
In order to ensure the security in surge tank 18 pooling features and polyphasic flow cyclic process, tensimeter and safety valve are installed on surge tank, once hypertonia in pipeline can be passed through safety valve pressure release.
While end in order to ensure to test, gas reclaims completely, in knockout drum 22 top gas exits, one three-way interface is installed, threeway one interface is directly linked in gas returnable bottle 28 by the 5th gate valve 27, another interface is linked into gas boosting pump 4 by the 4th gate valve 26, then is linked into returnable bottle 28 by the 6th gate valve 29 from gas boosting pump 4.Concrete operations are that, in the time that experiment finishes, gas in pipelines pressure is larger, gas can directly be recovered in gas returnable bottle 28, once reach after balance, can utilize the effect of gas boosting pump 4, gas in pipelines is pumped in gas returnable bottle 28, has greatly increased the efficiency that gas utilizes.Be recovered in gas returnable bottle 28 gas, can, in upper once experiment, by another circuit, recycle through gas boosting pump 4.
In the polyphasic flow circulation system, medium can be the phase of one in gas, liquid, solid three-phase or heterogeneous, and wherein, gas phase percentage range is 0 ~ 100%, and liquid phase percentage range is 0 ~ 100%, and solid phase number percent is 0 ~ 30%, and solid phase particles size is 0 μ m ~ 500 μ m scope.Wherein liquid phase can be water, oil or has slight corrosive liquid, and solid phase can be ice, hydrate slurry and wax.
In order to ensure promptness and the accuracy of data acquisition in experimentation, can adopt data acquisition software.Data acquisition software is mounted in the software in computing machine, can show counting, editing interface, and the data that gather are carried out to record.High speed acquisition board is hardware, and it is connected with the signal wire on each measurement instrument, and transfers signals in computing machine, and namely one end connects instrument, and the other end connects computing machine.A computer control is all used in the collection of all target datas, has ensured unitarity and the stability of data acquisition.
The using method of device
The operating procedure of package unit is: 1. by high-pressure plunger pump 9 need to liquid be injected in the heterogeneous circulation system, then connect vacuum pump by choosing any interface in the heterogeneous circulation system, repeatedly vacuumize, to remove the air in pipeline; 2. start cooling medium liquid circulating loop, control the temperature in whole return; 3. utilize gas boosting pump 4 that the gas boosting in gas cylinder 1 is entered into pipeline, reach and specify after experimental pressure, then close gas cylinder 1; 4. open multiphase mixing transmission pump 19, gas-liquid two-phase is circulated in circulation line; 5. open the data collecting instrument of connecting sensor, start to test, and collect data.When experiment starts, close the 7th gate valve 30, the three gate valves 25, multiphase mixing transmission pump 19 circulates gas-liquid two-phase, by data collecting instrument image data in the polyphasic flow circulation system.Can judge the time length that in polyphasic flow cyclic process, hydrate forms, the information such as position by the variation of temperature, the pressure etc. at arbitrary position in the pipeline collecting.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
Existing hydrate experiment pipeline can only reach single high pressure or low temperature requirement, also can only do the experimental study of single object, has greatly limited the scope of hydrate research.One of the present utility model realizes hydrate polyphasic flow Multi-function experimental loop device, first can simulate the environment of cryogenic high pressure, again each pipeline section can be changed flexibly, can arbitrarily change construction section switch, and can be by arbitrarily angled installation, there is good detachability, this device of package unit not only can be used for carrying out the researchs such as hydrate generation, gathering, blocking mechanism, inhibitor, corrosion inhibiter evaluation, can also simulate deep sea low temperature hyperbaric environment and carry out the researchs such as the research of heterogeneous fluid safety experiment, slug flow characteristic, wax deposit.
Embodiment 2
As shown in Figure 2, the difference of the present embodiment and embodiment mono-is: described detachable pipeline section 17 parts are linear, and a part is bent as shown in the figure, and described curve pipe 12 is serpentine.
Embodiment 3
As shown in Figure 3, the difference of the present embodiment and embodiment mono-is: described detachable pipeline section 17 parts are linear, a part is " V " shape, described curve pipe 12 is " M " shape, described 32-focused beam reflection measuring set is arranged on the corner of detachable pipeline section 17, and the flowable component while getting final product on-line analysis measurement fluid through corner changes or particle changes.
Be to be understood that; the detailed description of above the technical solution of the utility model being carried out is illustrative and not restrictive; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; the technical scheme that each embodiment is recorded is modified; or part technical characterictic is wherein equal to replacement, all should be considered as belonging to the definite scope of patent protection of claims that the utility model is submitted to.
Claims (8)
1. the mobile safety evaluation device of simulated oil feed channel fluid, is characterized in that: comprise the polyphasic flow circulation system, piece-rate system, infusion fluid systems, gas recovery system,
The described polyphasic flow circulation system comprises by auxiliary line and is in turn connected to form the air and liquid mixer (10) of closed circuit, some detachable pipeline section (17), the 8th gate valve (31), surge tank (18), multiphase mixing transmission pump (19), the second retaining valves (20) being connected in series mutually by flange (13), between described detachable pipeline section (17), be also connected with curve pipe (12) by flange (13)
Single detachable pipeline section (17) outside surface is enclosed with circulation jacket pipe (14), on described circulation jacket pipe (14), be provided with the refrigerant circulation interface (15) that connects refrigerant, (17 are also provided with the sensor interface (16) for connecting temperature sensor and pressure transducer near the two ends of flange (13) to single detachable pipeline section, its stage casing is connected with focused beam reflection measuring set (32), on described detachable pipeline section (17) or curve pipe (12), is also connected with vacuum pump;
Described piece-rate system comprises the knockout drum (22) that is provided with gas chromatograph interface (21), the second safety valve (23), the second tensimeter (24), the entrance of described knockout drum (22) connects detachable pipeline section (17) exit of serial connection mutually by the 7th gate valve (30), described knockout drum (22) top is provided with gas exhaust piping, and bottom is provided with liquid chromatograph and the adaptor for product discharge with the 3rd gate valve (25);
Described infusion fluid systems comprises that liquid injects circuit and gas inject circuit, and described liquid injects circuit and is formed by connecting by pipeline successively by reservoir, high-pressure plunger pump (9), air and liquid mixer (10);
Described gas inject circuit comprises the gas cylinder (1) being connected in sequence by pipeline, gas meter (2), gas boosting pump (4), the second gate valve (7), the first retaining valve (8), the delivery outlet of described the first retaining valve (8) is connected with air and liquid mixer (10), between the delivery outlet of the delivery outlet of described gas meter (2) and the second gate valve (7), be also arranged in parallel the pipeline of tool the first gate valve (3), the delivery outlet of described gas boosting pump (4) is provided with the first safety valve (5) and the first tensimeter (6),
Described gas recovery system comprises gas returnable bottle (28), described gas returnable bottle (28) connects the described knockout drum (gas exhaust piping at 22 tops by pipeline and the 5th gate valve (27), described gas exhaust piping is also connected with gas cylinder (1) by the 4th gate valve (26), between described the 5th gate valve (27) and described gas returnable bottle (28), is connected with the output terminal of gas boosting pump (4) by pipeline and the 6th gate valve (29).
2. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: described detachable pipeline section (17) is linear and/or bent.
3. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: described curve pipe (12) is " U " shape, " V " shape, " N " shape, " M " shape, " W " shape or serpentine.
4. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: described detachable pipeline section (17) is at least serially connected with one section of visible segments testing tube (11) of making taking sapphire as material.
5. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, it is characterized in that: described knockout drum (22) and surge tank (18) outside surface are enclosed with circulation jacket pipe (14), on described circulation jacket pipe (14), be provided with the refrigerant circulation interface (15) that connects refrigerant.
6. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: described polyphasic flow circulation system working pressure range is 0.1MPa ~ 30MPa, and operating temperature range is-70 DEG C ~ 100 DEG C, and flow rates is 0 ~ 2m/s.
7. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: in described detachable pipeline section (17) or curve pipe (12), be provided with video probe.
8. the mobile safety evaluation device of simulated oil feed channel fluid according to claim 1, is characterized in that: described flange (13) is connected with concentric reducer joint.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849500.3U CN203643428U (en) | 2013-12-20 | 2013-12-20 | Safety evaluation device for simulating fluid flow in oil and gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849500.3U CN203643428U (en) | 2013-12-20 | 2013-12-20 | Safety evaluation device for simulating fluid flow in oil and gas pipeline |
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| CN203643428U true CN203643428U (en) | 2014-06-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675213A (en) * | 2013-12-20 | 2014-03-26 | 华南理工大学 | Simulating device for fluid flow safety evaluation of oil-gas pipelines |
| CN107340357A (en) * | 2017-08-10 | 2017-11-10 | 海安县石油科研仪器有限公司 | Hydrate circulation loop experimental provision |
| CN114719190A (en) * | 2022-04-25 | 2022-07-08 | 西南石油大学 | Pipeline system flow pattern and pressure drop experimental device |
-
2013
- 2013-12-20 CN CN201320849500.3U patent/CN203643428U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675213A (en) * | 2013-12-20 | 2014-03-26 | 华南理工大学 | Simulating device for fluid flow safety evaluation of oil-gas pipelines |
| CN103675213B (en) * | 2013-12-20 | 2015-09-02 | 华南理工大学 | A kind of simulated oil feed channel fluid flowing safety evaluation device |
| CN107340357A (en) * | 2017-08-10 | 2017-11-10 | 海安县石油科研仪器有限公司 | Hydrate circulation loop experimental provision |
| CN114719190A (en) * | 2022-04-25 | 2022-07-08 | 西南石油大学 | Pipeline system flow pattern and pressure drop experimental device |
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