CN101226135B - Erosion simulation experiment method and apparatus - Google Patents
Erosion simulation experiment method and apparatus Download PDFInfo
- Publication number
- CN101226135B CN101226135B CN2008100576612A CN200810057661A CN101226135B CN 101226135 B CN101226135 B CN 101226135B CN 2008100576612 A CN2008100576612 A CN 2008100576612A CN 200810057661 A CN200810057661 A CN 200810057661A CN 101226135 B CN101226135 B CN 101226135B
- Authority
- CN
- China
- Prior art keywords
- reactor
- kettle
- motor
- support
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to a corrosion simulation test method and a relative device, which is characterized in that the invention uses one motor to rotate the sample rotation shafts in a plurality of autoclaves, respectively fixes and connects the motor and autoclaves with one rotary mount capable of being positioned, and adjusts the inclination angle of the mount to realize the sample corrosion simulation test under variable flow forms in the autoclaves. The device comprises a base which can be rotationally connected with a mount, a motor on the top of the mount, a plurality of autoclaves in the bottom of the mount, a multi-concave-channel belt wheel fixed on the extrusion shaft of the motor while the extrusion end of the sample rotation shaft in each autoclave is fixed with a multi-concave-channel belt wheel and each concave channel on the multi-concave-channel belt wheel is connected with one belt relative with the multi-concave-channel belt wheel on one sample rotation shaft. The invention is suitable for simulating the corrosion tests of collecting and feeding pipe of oil and natural gas.
Description
Technical field
The present invention relates to a kind of erosion simulation experiment method and device, particularly about a kind of dynamic high temperature normal pressure multithread attitude erosion simulation experiment method and device.
Background technology
The extraction liquid of oil gas field is generally the potpourri of Oil, Water, Gas, contained CO
2Oil-gas gathering and transferring pipeline and equipment are had very strong corrosivity, and therefore some facility causes corrosion leakage, even blasts.Crash analysis both domestic and external in recent years and research tendency show CO
2Corrosion more and more becomes one of principal element that influences the oil gas field safety in production.CO
2The mechanism of corrosion phenomenon and the research of rule need be carried out a large amount of simulated experiments, because often there is multiple fluidised form in the pumped (conveying) medium in the gathering line, for oil, water, the potpourri of gas, because density difference, oil in the experiment, water, gas meeting AUTOMATIC ZONING, laminar condition has only been considered in present corrosion simulated experiment, corrosion under disturbed flow condition does not also have suitable analogue experiment method and device and for multiphase medium, and can only carry out the simulated experiment under a kind of condition at every turn, limit carrying out of a large amount of simulated experiments, caused experimental period long, investment and maintenance cost are higher.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of erosion simulation experiment method and device that is applicable to tubing in the multiphase mediums such as Oil, Water, Gas.
For achieving the above object, the present invention takes following technical scheme: a kind of erosion simulation experiment method, it is characterized in that rotating with the sample turning axle that a motor drives in a plurality of reactors simultaneously, simultaneously described motor and each described reactor are fixedly connected on respectively on same rotatable angle and the orientable support, by adjusting the angle of inclination of support, in described reactor, realize the corrosion simulated experiment of institute's test agent under various fluidised forms.
Can be respectively charged into different medium in described each reactor, under different condition, to carry out the corrosion simulated experiment of multiphase medium simultaneously.
Described different condition is meant one of chemical composition, temperature, pressure and flow velocity of test medium or set.
A kind of device of realizing above-mentioned erosion simulation experiment method, it is characterized in that: it comprises a base, connect a support on the described base rotationally, the top of described support is provided with a motor, several reactors are set in the bottom of described support, fixedly connected more than one recessed road belt wheels on the projecting shaft of described motor, the sample turning axle that is provided with in each described reactor stretches out also fixedly connected more than the one recessed road belt wheels of end, each recessed road on the how recessed road belt wheel of described motor respectively with corresponding connection one belt of how recessed road belt wheel on the sample turning axle, described reactor is provided with well heater, tensimeter, temperature measurer advances, air outlet valve and advancing, liquid valve.
Described support is provided with two rotating shafts, and two described rotating shafts are rotatably installed on the described base, and wherein the described roller end of a side connects a worm gear, and one is rotatably connected on the described base with described worm gear engaged worm.
Reactor comprises the kettle of a central column, the top of described kettle and bottom are provided with a top cover and a steel ring by an O-ring seal respectively, the bottom of described steel ring is provided with a bottom by an O-ring seal, the center motive seal of described kettle and top cover is connected described sample turning axle, and by a plurality of thru-bolts described top cover, kettle are fixedlyed connected with steel ring and to be integral, by a plurality of lag bolts described bottom is fixed on the described steel ring again.
Described well heater, gas admittance valve, temperature measurer and outlet valve are arranged on the bottom of described reactor, and described water intaking valve, tensimeter, another gas admittance valve and air outlet valve are arranged on the described reactor top cover.
On described reactor top cover, also be provided with another gas admittance valve.
The material of described kettle is a transparent organic glass.
The present invention is owing to take above technical scheme, it has the following advantages: 1, the present invention is owing to be provided with a plurality of reactors of a driven by motor, therefore can carry out corrosion simulated experiment in the high-temperature pressure multiphase medium under the multiple condition simultaneously, shorten experimental period greatly, reduced investment and maintenance cost.2, the present invention particularly drives reactor rotating shaft rotation as the fluidised form regulator by worm and gear by gearing, can adjust the residing fluidised form of institute's test agent easily, sample is in laminar condition when upright, tilt and prostrate time institute's test agent be in the disturbed flow condition that oil gas water replaces.3, experimental provision of the present invention can carry out temperature control easily and measure owing to be provided with well heater and temperature measurer experimentation.4, experimental provision of the present invention has guaranteed the atmospheric pressure state of experimental provision owing to be equiped with the air outlet valve that is communicated with atmosphere on the reactor top cover.5, the present invention is provided with one with upper inlet valve, can charge into more than one experimental gas to reactor simultaneously.6, the reaction kettle body of experimental provision of the present invention is simple in structure, and safe ready particularly adopts the kettle of organic glass, can make things convenient for the flow state of observation experiment medium.The present invention not only can simulate the corrosion of pipeline middle level stream mode medium, and the corrosion that can also simulate disturbed flow condition is applicable to the corrosion experiment of simulating oil, rock gas collection and conveyance conduit.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is the schematic side view of Fig. 1
Fig. 3 is the schematic top plan view of Fig. 1
Fig. 4 is a reactor structural representation of the present invention
Fig. 5 is a reactor bottom structural representation of the present invention
Fig. 6 is the cap structure synoptic diagram that Fig. 4 section shows
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Shown in Fig. 1～4, the present invention includes a base 1, the both sides of a support 2 are rotationally connected in base 1 both sides, the top of support 2 is provided with a motor 3, be provided with several reactors 4 in the bottom of support 2, on the projecting shaft of motor 3, be fixedly connected with the belt wheel of recessed road more than one 5, also fixedly connected more than the one recessed road belt wheels 7 of sample turning axle 6 external parts that in each reactor 4, are provided with, each recessed road on the how recessed road belt wheel 5 of motor 3 respectively with a sample turning axle 6 on how recessed road belt wheel 7 corresponding connection one belt (not shown)s, thereby can rotate simultaneously by the sample turning axle 6 that a motor 3 drives in each reactor 4 simultaneously.
As described in Figure 4, reactor 4 of the present invention comprises the kettle 8 of a central column, the top of kettle 8 is provided with a top cover 10 by an O-ring seal 9, the bottom of kettle 8 is provided with a steel ring 12 by an O-ring seal 11, the bottom of steel ring 12 is provided with a bottom 14 by an O-ring seal 13, center motive seal at kettle 8 and top cover 10 is connected sample turning axle 6, and adopt a plurality of thru-bolts 15 that top cover 10, O-ring seal 9, kettle 8, O-ring seal 11 are fixedlyed connected with steel ring 12 to be integral, and then bottom 14 and O-ring seal 13 are fixed on the steel ring 12 with a plurality of lag bolts 16.As shown in Figure 5, on bottom 14, be provided with well heater 17, gas admittance valve 18, temperature measurer (thermopair) 19 and outlet valve 20.As shown in Figure 6, on top cover 10, be provided with water intaking valve 21, tensimeter 22, another gas admittance valve 23 and air outlet valve 24, a gas admittance valve 18,23 is set respectively on top cover 10 and the bottom 14, can charge into different gas for reactor 4.
In the foregoing description, support 2 is installed on the base 1 by two rotating shafts 25, connects a worm gear 26 in rotating shaft 25 ends of a side, and is rotatably connected on the base 1 with worm gear 26 engaged worm 27 one.When with spanner rotary worm 27, can drive worm gear 26 by the rotation of worm screw 27 rotates, and by worm gear 26 drive rotating shafts 25 rotations, and then each reactor 4 of all-in-one-piece tilts to the either side horizontal direction from vertical direction to make support 2 drive with it fixedly, and, be rotated in place the back transfixion by the auto-lock function of worm gear 26 with worm screw 27.The angle that support 2 tilts can be determined unspecified angle as required.
In the foregoing description, sample turning axle 6 lower ends in reactor 4 can be provided with a sample shaft collar 28, and institute's test agent that will carry out corrosion experiment during use is fixed on the sample shaft collar 28; Sample shaft collar 28 can take various versions to replace.Above-mentioned support 2 and base 1 can be formed by Metal Material Welding, also can take other version.The rotation of above-mentioned support 2 also can be taked other structure and type of drive, such as drive worm screw 26 rotations etc. by a stepper motor.The volume of aforesaid reaction vessel 4 can change, and such as adopting 2 liters, maximum operating temperature is 100 ℃ etc., and the material of the kettle 8 of reactor 4 can adopt organic glass, and O- ring seal 9,11,13 can adopt elastomeric material.Adopt the quantity of four reactors 4 to change in the foregoing description, the variation of this quantity should not influence protection scope of the present invention.
In sum, the inventive method is to drive the sample turning axle that is arranged in a plurality of reactors 4 simultaneously with a motor 3 to rotate as can be seen, simultaneously by a rotary support, make the motor 3 and any angle of reactor 4 inclinations that are fixed together with support, and then in reactor except being used for simulating the corrosion of pipeline middle level stream mode medium, can also simulate the corrosion of disturbed flow condition, particularly can simulate oil, the corrosion experiment of rock gas collection and conveyance conduit, can be used to evaluate the Corrosion of Pipeline degree, the inhibition efficiency of corrosion inhibiter and carry out corrosion prediction etc. can carry out the corrosion simulated experiment of high-temperature pressure multiphase medium under the multiple condition simultaneously.
Can be respectively charged into different medium in above-mentioned a plurality of reactor 4, can carry out the corrosion simulated experiment of multiphase medium simultaneously under different condition, different condition is meant the various combination of the chemical composition, temperature, pressure, flow velocity of test medium etc.
As shown in Figure 1, when the present invention uses, at first the top and the bottom of kettle 8 are put O-ring seal 9 respectively, 11, and be fixed on top cover 10 and the steel ring 12 by thru-bolt 15, then top cover 10 is fixed on the support 2, institute's test agent is fixed on the sample shaft collar 28, regulate worm screw 27 with spanner again, driving worm gear 26 rotates rotating shaft 25, reactor 4 is inverted, behind the injection experiments medium, bottom 14 and packing washer 13 usefulness lag bolts 16 is fixed on the steel ring 12, according to the angle of requirement of experiment conditioned reaction still 4 required inclinations, adjusting the back experimental session does not need to adjust again again.Test mediums can be simulated different fluidised forms in the reactor 4, when upright, rotate sample turning axle 6 such as reactor 4, and test medium is in laminar condition; When reactor 4 is in heeling condition, and the angle of inclination is big 0 °, and during less than 90 °, because the angle of sample shaft collar 28 and liquid level changes, the rotation of sample shaft collar 28 can make that test mediums produce different disturbed flow conditions in the reactor 4; When reactor 4 was in 90 °, the rotation of sample turning axle 6 can make test medium be in the disturbed flow condition that oil, water replace, and can also make test medium be in the state that oil, gas, water replace, and the rotational speed of sample shaft collar 28 can be determined as requested.The reaction kettle body of organic glass can make things convenient for the flow state of observation experiment medium.In order to simulate actual operating position, add the test medium that needs by water intaking valve 21, gas admittance valve 18,23, test medium is the aqueous solution that disposes as requested and the gas of certain pressure, carries out oil gas field CO
2The test medium of corrosion simulated experiment is a simulated formation water, CO
2Or other gas is that pressing force is considered, can be entered by gas admittance valve 18,23, and air outlet valve 24 is discharged.And keep the test medium of certain volumes by outlet valve 20 and air outlet valve 24, the volume of test medium can be determined (being generally 4～5 liters) according to concrete requirement of experiment, when test medium is liquid phase volume, the end opening of air outlet valve 24 in reactor 4 can add flexible pipe, when making reactor 4 half-twists, the end opening of its air outlet valve 24 in reactor 4 remains at above the liquid level.Heat by 17 pairs of test mediums of well heater, adopt 19 pairs of temperature of temperature measurer (thermopair) to measure and implement control, with tensimeter 22 experiments of measuring pressure.
After experiment finishes, adopt the step opposite to take off sample, institute's test agent is carried out corrosion evaluation by relevant assessment method and respective standard with said process.
The present invention only describes with the foregoing description, and all equivalent transformations that carries out according to the principle of the invention all should not got rid of outside protection scope of the present invention.
Claims (7)
1. corrosion simulated experiment device, it is characterized in that: it comprises a base, connect a support on the described base rotationally, described support is provided with two rotating shafts, two described rotating shafts are rotatably installed on the described base, wherein the described roller end of a side connects a worm gear, and one is rotatably connected on the described base with described worm gear engaged worm; The top of described support is provided with a motor, several reactors are set in the bottom of described support, fixedly connected more than one recessed road belt wheels on the projecting shaft of described motor, the sample turning axle that is provided with in each described reactor stretches out also fixedly connected more than the one recessed road belt wheels of end, each recessed road on the how recessed road belt wheel of described motor respectively with corresponding connection one belt of how recessed road belt wheel on the sample turning axle, described reactor is provided with well heater, tensimeter, temperature measurer is into and out of air valve and liquid inlet and outlet valve.
2. a kind of corrosion simulated experiment device as claimed in claim 1, it is characterized in that: reactor comprises the kettle of a central column, the top of described kettle is provided with a top cover by an O-ring seal, the bottom of described kettle is provided with a steel ring by an O-ring seal, the bottom of described steel ring is provided with a bottom by an O-ring seal, the center motive seal of described kettle and top cover is connected described sample turning axle, and by a plurality of thru-bolts described top cover, kettle are fixedlyed connected with steel ring and to be integral, by a plurality of lag bolts described bottom is fixed on the described steel ring again.
3. a kind of corrosion simulated experiment device as claimed in claim 2, it is characterized in that: described well heater, gas admittance valve, temperature measurer and liquid valve are arranged on the bottom of described reactor, and described feed liquor valve, tensimeter, another gas admittance valve and air outlet valve are arranged on the described reactor top cover.
4. as claim 1 or 2 or 3 described a kind of corrosion simulated experiment devices, it is characterized in that: the material of described kettle is a transparent organic glass.
5. the employing method of carrying out corrosion simulated experiment as device as described in claim 1 or 2 or 3 or 4, it is characterized in that: the sample turning axle that drives simultaneously in a plurality of described reactors with described motor rotates, simultaneously described motor and each described reactor are fixedly connected on respectively on same rotatable angle and the orientable support, by adjusting the angle of inclination of support, in described reactor, realize the corrosion simulated experiment of sample under various fluidised forms.
6. a kind of erosion simulation experiment method as claimed in claim 5 is characterized in that: can be respectively charged into different medium in described each reactor, to carry out the corrosion simulated experiment of multiphase medium simultaneously under different condition.
7. a kind of erosion simulation experiment method as claimed in claim 6 is characterized in that: described different condition is meant one of chemical composition, temperature, pressure and flow velocity of test medium or set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100576612A CN101226135B (en) | 2008-02-04 | 2008-02-04 | Erosion simulation experiment method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100576612A CN101226135B (en) | 2008-02-04 | 2008-02-04 | Erosion simulation experiment method and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101226135A CN101226135A (en) | 2008-07-23 |
| CN101226135B true CN101226135B (en) | 2011-08-24 |
Family
ID=39858255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100576612A Active CN101226135B (en) | 2008-02-04 | 2008-02-04 | Erosion simulation experiment method and apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101226135B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487364B (en) * | 2013-07-23 | 2016-08-10 | 西安石油大学 | Many group medium Dynamic Corrosion test devices and method of testing thereof |
| CN103760092B (en) * | 2013-12-27 | 2016-07-06 | 浙江台玖精密机械有限公司 | Worm screw grinding burn detection method |
| CN103740584B (en) * | 2014-01-28 | 2015-08-12 | 重庆大学 | A kind ofly study the experimental installation and method that hydraulic pipeline characteristic affects biofilm development |
| CN104634725B (en) * | 2015-01-27 | 2018-05-22 | 中国石油化工股份有限公司青岛安全工程研究院 | A kind of more kettle decompression corrosion simulated experiment devices |
| CN108273467A (en) * | 2018-03-23 | 2018-07-13 | 西北大学 | A kind of interior rotation homogeneous reaction device with positioning system |
| CN110749540B (en) * | 2019-12-05 | 2022-03-04 | 中国民用航空总局第二研究所 | System for be used for acid salt fog test |
| CN112782064B (en) * | 2021-01-29 | 2022-07-12 | 合肥国轩高科动力能源有限公司 | Device for detecting durability of lithium ion battery cell |
-
2008
- 2008-02-04 CN CN2008100576612A patent/CN101226135B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101226135A (en) | 2008-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101226135B (en) | Erosion simulation experiment method and apparatus | |
| CN201203571Y (en) | Corrosion simulated experiment apparatus | |
| EP3095753B1 (en) | Chemical dosing device and method for dosage metering and control | |
| CN103971577B (en) | CO 2replacement exploitation of gas hydrate experiment simulator | |
| CN103760066A (en) | High-pressure high-temperature liquid viscosity measuring device and method | |
| CN102507423A (en) | Testing apparatus for internal corrosion of circulating multiphase flow undulating pipeline | |
| CN203164005U (en) | Experiment apparatus of rock breaking by high-pressure water jet | |
| CN105467038B (en) | The device and method that the continuous large sample of dynamic measures soil respiration rates and isotopics | |
| CN104330320A (en) | Device for measuring combined action of washout and high-temperature corrosion of oil well tubular column | |
| CN104833788B (en) | Polluted soil restoration process simulation test system | |
| CN103485738A (en) | Horizontal well rock debris transportation simulation experiment set and experiment method | |
| CN204556598U (en) | A kind of hydrate slurry sedimentary simulating experiment device | |
| CN203931312U (en) | CO 2replacement exploitation of gas hydrate experiment simulator | |
| CN103471959A (en) | Determination method and determination system of solubility parameters of gas in liquid | |
| CN104792689B (en) | A kind of environmental corrosion split test device in wet hydrogen sulfide environment | |
| CN106568703A (en) | Underground storage cavern wellbore string corrosion experimental device and experimental method | |
| CN104880502B (en) | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline | |
| CN207081712U (en) | It is a kind of to be used for experimental provision of the hydrate generation with suppressing research under flox condition | |
| CN110905457A (en) | CO2Simulation device and method for gas drive shaft scaling | |
| CN102809562A (en) | Crude oil emulsion stability evaluating instrument | |
| CN101949289A (en) | Multi-medium coupling device for stratigraphic simulation experiment | |
| CN206701117U (en) | A kind of oil field water dispensing apparatus | |
| CN203658209U (en) | High-temperature and high-pressure liquid viscosity measuring device | |
| CN112504933B (en) | Porosity measuring device for shale oil geological dessert prediction | |
| CN204831989U (en) | Simulation stone oil pipe material corrodes test device of situation in alternative environment of gaseous phase liquid phase |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: University of Science and Technology Beijing Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: University of Science and Technology Beijing |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: University of Science and Technology Beijing Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: University of Science and Technology Beijing |
|
| CP01 | Change in the name or title of a patent holder |