CN201594066U - Simulated petrochemical pipeline erosion-corrosion monitoring test device - Google Patents
Simulated petrochemical pipeline erosion-corrosion monitoring test device Download PDFInfo
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- CN201594066U CN201594066U CN2009202782313U CN200920278231U CN201594066U CN 201594066 U CN201594066 U CN 201594066U CN 2009202782313 U CN2009202782313 U CN 2009202782313U CN 200920278231 U CN200920278231 U CN 200920278231U CN 201594066 U CN201594066 U CN 201594066U
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Abstract
The utility model relates to the field of petrochemical industry, in particular to a simulated petrochemical pipeline erosion-corrosion monitoring test device. The device comprises an anti-corrosion medium chest (7) connected with a tubular sample test segment (6) through a corrosion resisting pump (1), and further comprises an anti-corrosion test pipeline (2) and an electrochemical test pipeline (9) which are in fluid connection with the tubular sample test segment (6) side by side; the electrochemical test pipeline (9) is connected with an electrochemical workstation (8); a flowmeter (3) is connected to the exit end of the corrosion resisting pump (1) and is connected with a variable-frequency governor mounted on a multifunctional control cabinet (4); and a test component connector (5) is mounted on the tubular sample test segment (6). The device can perform erosion-corrosion test to an electrode probe, a hanger sample and a tubular sample at the same time under accurately controlled flow velocity, flow pattern and temperature, and can achieve on-line measurement of electrochemical performance through connecting the electrochemical working station with the electrode probe.
Description
Technical field
The utility model relates to petrochemical industry, particularly a kind of simulation petrochemical industry pipeline erosion corrosion prison test experience device.
Background technology
Erosion corrosion is called erosion corrosion again, is the bigger local corrosion of a kind of harm, extensively exists in industries such as oil, chemical industry, mine, metallurgy, water conservancy, power plant.The petrochemical industry pipeline is oil, gas, water multiphase pipeline normally, and the mobile influence that is subjected to multiple factor of polyphasic flow, and the metal parts that contacts with Korrosionsmedium often bears the erosion corrosion wearing and tearing of serious liquid fixed double phase flow or polyphasic flow, causes component failure or scraps.On the corrosion mechanism of two-phase pipeline flow, the mobile corrosion in the pipeline comprises CO
2Burn into H
2S corrosion and erosion.CO
2Product to pipeline corrosion is generally FeCO
3And Fe
2O
3, the temperature of pipeline inner fluid can influence FeCO
3Generate and dissolution equilibrium.Temperature raises and has reduced H
2The solubleness of S in water, but also accelerated the rate of propagation of hydrogen, both cause H at combined action
2The S corrosion speed is very big when a certain temperature.In addition, the speed of pipeline inner fluid is also very complicated to the influence of pipeline corrosion, and speed increases can hinder or destroy diaphragm, and the shear stress that can increase tube wall is again removed surperficial Fe
3The ability of C.In the polyphasic flow of pipeline, have fluid, gas and the grains of sand, thereby also have erosive wear, but this erosion often betides under the corrosion environment, thereby exist the synergy of corrosion and erosion, i.e. erosion corrosion.This moment, the corrosion of tube wall was not the simple superposition of corrosion and erosion, and its reciprocation is very complicated, and drop, bubble, the grains of sand can impact tube wall, and the corrosion thing that the surface is produced comes off, and simultaneously, can directly act on pipe surface yet and produce wearing and tearing.Therefore erosion corrosion is the process of a complexity, and influence factor mainly comprises material factor, electrochemical factors, solid phase particles factor, mechanics factor, these factor weave ins, and the further investigation of wearing and tearing to erosion corrosion brings difficulty.
At present, the experimental provision of studying erosion corrosion wearing and tearing both at home and abroad mainly contains fluid-guiding type, injecting type, rotary and combined type etc.What use always under laboratory condition is the rotating circular disk experimental provision, causes the reduction of speed of related movement with the disk motion but the rotation of disk causes eddy current and fluid.The fluid-guiding type test is a kind of conduit component working condition test method of simulating preferably, can be good at setting forth the mechanism of material erosion corrosion, but conventional pipe stream device can not be studied measurement to electrode probe, lacing film sample and tubulose sample simultaneously, in addition because recycling of the interior medium of pipeline causes medium temperature to raise easily.
Summary of the invention
The purpose of this utility model provides a kind of simulation petrochemical industry pipeline erosion corrosion prison test experience device, this experimental provision can be simulated pipelines and petrochemical pipelines and be carried out accelerated test, and factors such as flow velocity, concentration of solid particles, specimen shape and material are studied the influence of erosion corrosion.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of simulation petrochemical industry pipeline erosion corrosion prison test experience device comprises:
Anti-corrosion medium box (7) is connected with tubulose specimen test section (6) by corrosion free pump (1), with tubulose specimen test section (6) the Kesternich test pipeline (2) and the electrochemical test pipeline (9) that are connected of fluid side by side, described electrochemical test pipeline (9) connects electrochemical workstation (8), the endpiece of corrosion free pump (1) is connected with flowmeter (3), flowmeter (3) links to each other with described variable-frequence governor, variable-frequence governor is installed on the described multifunctional controlled cabinet (4), and test assembly interface (5) is installed on the described tubulose specimen test section (6).
Electrode probe and lacing film sample are installed on the Kesternich test pipeline (2), and the tubulose sample is installed on the tubulose specimen test section (6), and electrode probe, lacing film sample and tubulose sample can be tested simultaneously.
Have temperature probe in the described anti-corrosion medium box (7), described temperature probe is connected to described multifunctional controlled cabinet (4).
Also has the heating and cooling assembly in the described anti-corrosion medium box (7).
Electrochemical workstation (8) is connected with electrode probe, realizes the on-line measurement of chemical property.
Compared with prior art, the beneficial effects of the utility model are: can be implemented under the situation of accurate control flow velocity, fluidised form and temperature, electrode probe, lacing film sample and tubulose sample are carried out the erosion corrosion test simultaneously, and the installing electrodes probe can be connected the on-line measurement that realizes chemical property with electrochemical workstation.
Description of drawings
Fig. 1 is simulation petrochemical industry pipeline erosion corrosion prison test experience device synoptic diagram.
Reference numeral
1 corrosion free pump, 2 Kesternich test pipelines
3 flowmeters, 4 multifunctional controlled cabinets
5 test assembly interfaces, 6 tubulose specimen test sections
7 anti-corrosion medium box 8 electrochemical workstations
9 electrochemical test pipelines
Embodiment
The utility model is described in further detail with reference to the accompanying drawings below:
As shown in Figure 1, a kind of simulation petrochemical industry pipeline erosion corrosion prison test experience device comprises: variable-frequence governor, corrosion free pump 1, anti-corrosion pipe system 2, flowmeter 3, multifunctional controlled cabinet 4, test assembly interface 5, tubulose specimen test section 6, anti-corrosion medium box 7, electrochemical workstation 8, electrochemical test pipeline 9.Flowmeter 3 links to each other with described variable-frequence governor, and variable-frequence governor is installed in the described multifunctional controlled cabinet 4.Media flow adopts the circulation pipe streaming, and fluidised form steady 0 is fixed in the test section, and custom-designed heating and cooling assembly is arranged in the anti-corrosion medium box 7, avoids because the temperature that medium and casing and pipeline friction cause raises, to reach the convection cell accuracy control over temperature.The electrode probe and the lacing film sample system of design are installed on the anti-corrosion pipe system 2, and the tubulose sample is installed on the tubulose specimen test section 6, and electrode probe, lacing film sample and tubulose sample carry out simultaneous test.Have temperature probe in the anti-corrosion medium box 7, described temperature probe is connected to multifunctional controlled cabinet 4; Electrode probe is connected the on-line measurement that realizes corrosion potential, linear polarization and electrochemical impedance etc. with electrochemical workstation 8, the tubulose sample can be used to study the influence of erosion corrosion to different tube diameters.
The course of work of the present invention is as follows:
At first electrode probe, lacing film sample and tubulose sample are installed by shown in Figure 1, be full of test(ing) medium in the anti-corrosion medium box 7, and start the heating and cooling assembly by multifunctional controlled cabinet 4.When treating that temperature reaches testing requirements on multifunctional controlled cabinet 4 panel boards, open corrosion free pump 1, medium is circulated, in Kesternich test pipeline 2 by velocity of medium in the variable-frequence governor pilot piping.By multifunctional controlled cabinet 4 control heating and cooling assemblies, medium temperature keeps constant in the warranty test pipeline section in the process of the test.
In the device operational process, test(ing) medium flows into electrochemical test pipeline 9 simultaneously, by the electrochemical workstation 8 that is attached thereto can the on-line monitoring electrode corrosion potential, can also realize electro-chemical tests such as polarization curve, AC impedance.After the off-test, close variable-frequence governor, heating and cooling assembly, stop circulation, cut off the electricity supply.After treating the liquid cooling, take out sample and analyze.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. the test experience device is supervised in simulation petrochemical industry pipeline erosion corrosion, it comprises: anti-corrosion medium box (7) is connected with tubulose specimen test section (6) by corrosion free pump (1), it is characterized in that, this device also comprises: with tubulose specimen test section (6) the Kesternich test pipeline (2) and the electrochemical test pipeline (9) that are connected of fluid side by side, described electrochemical test pipeline (9) connects electrochemical workstation (8), the endpiece of corrosion free pump (1) is connected with flowmeter (3), flowmeter (3) links to each other with described variable-frequence governor, variable-frequence governor is installed on the described multifunctional controlled cabinet (4), and test assembly interface (5) is installed on the described tubulose specimen test section (6).
2. simulation petrochemical industry pipeline erosion corrosion prison test experience device as claimed in claim 1, it is characterized in that, electrode probe and lacing film sample are installed on the Kesternich test pipeline (2), the tubulose sample is installed on the tubulose specimen test section (6), and electrode probe, lacing film sample and tubulose sample can be tested simultaneously.
3. simulation petrochemical industry pipeline erosion corrosion prison test experience device as claimed in claim 2 is characterized in that having temperature probe in the described anti-corrosion medium box (7), and described temperature probe is connected to described multifunctional controlled cabinet (4).
4. simulation petrochemical industry pipeline erosion corrosion prison test experience device as claimed in claim 3 is characterized in that also having the heating and cooling assembly in the described anti-corrosion medium box (7).
5. simulation petrochemical industry pipeline erosion corrosion prison test experience device as claimed in claim 4 is characterized in that electrochemical workstation (8) is connected with electrode probe, realizes the on-line measurement of chemical property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202782313U CN201594066U (en) | 2009-12-21 | 2009-12-21 | Simulated petrochemical pipeline erosion-corrosion monitoring test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202782313U CN201594066U (en) | 2009-12-21 | 2009-12-21 | Simulated petrochemical pipeline erosion-corrosion monitoring test device |
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| Publication Number | Publication Date |
|---|---|
| CN201594066U true CN201594066U (en) | 2010-09-29 |
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| CN2009202782313U Expired - Lifetime CN201594066U (en) | 2009-12-21 | 2009-12-21 | Simulated petrochemical pipeline erosion-corrosion monitoring test device |
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|---|---|---|---|---|
| CN102706794A (en) * | 2012-07-02 | 2012-10-03 | 西南石油大学 | High-temperature high-pressure multiphase flow corrosion testing device |
| CN103115863A (en) * | 2013-01-23 | 2013-05-22 | 中国石油化工股份有限公司江苏油田分公司 | Simulated test device and method for corrosion nearby suction port of downhole oil pump |
| CN103926191A (en) * | 2014-03-26 | 2014-07-16 | 中国石油化工股份有限公司 | Simulation experimental pipeline device and simulation experimental method of multi-phase fluid erosion and flow states |
| CN104880502A (en) * | 2014-02-27 | 2015-09-02 | 中国科学院金属研究所 | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline |
| CN105403478A (en) * | 2015-12-03 | 2016-03-16 | 东方电气集团东方汽轮机有限公司 | Solid-liquid-containing multi-phase flow washout test system and test method |
| CN105842097A (en) * | 2016-03-24 | 2016-08-10 | 西南石油大学 | High-temperature high-pressure tubular-flow erosion corrosion experiment device |
| CN106525708A (en) * | 2016-12-06 | 2017-03-22 | 中国船舶重工集团公司第七二五研究所 | Chanel type dynamic medium electrochemical test apparatus and method |
| CN107219138A (en) * | 2017-07-13 | 2017-09-29 | 中国船舶重工集团公司第七二五研究所 | A kind of both arms backward erosion corrosion testing apparatus |
| CN107655776A (en) * | 2017-10-19 | 2018-02-02 | 中国海洋大学 | A kind of experimental rig for being used to simulate oil gas field compliant riser erosion situation |
| CN108535178A (en) * | 2018-04-28 | 2018-09-14 | 西安热工研究院有限公司 | A kind of corrosive pipeline rate on-Line Monitor Device and on-line monitoring method |
| CN108844840A (en) * | 2018-05-16 | 2018-11-20 | 广东海洋大学 | A kind of fluid-guiding type erosion-corrosion experiment device |
| CN109632619A (en) * | 2018-12-29 | 2019-04-16 | 陕西延长石油(集团)有限责任公司研究院 | A kind of simulated high-pressure Multiphase Flow fluctuating corrosion of piping experimental provision |
| CN109765134A (en) * | 2018-12-14 | 2019-05-17 | 大连理工大学 | A kind of inner wall of the pipe erosion corrosion monitoring device and its monitoring method |
| CN109900579A (en) * | 2019-04-04 | 2019-06-18 | 中国船舶重工集团公司第七0四研究所 | Realize impeller of sea water pump erosion corrosion test device |
| CN110702595A (en) * | 2019-10-18 | 2020-01-17 | 西安石油大学 | Multifunctional automatic simulation test device for top corrosion of wet gas pipeline |
| CN111678825A (en) * | 2020-06-08 | 2020-09-18 | 首钢集团有限公司 | Erosion corrosion experimental device and using method thereof |
| CN112986037A (en) * | 2021-05-20 | 2021-06-18 | 西南石油大学 | Experimental device for simulating stratum sand production and eroding oil pipe column |
| CN113702274A (en) * | 2021-08-31 | 2021-11-26 | 中国石油化工股份有限公司 | Testing equipment and testing method for scouring resistance of coating and application |
| CN115078240A (en) * | 2022-08-01 | 2022-09-20 | 西南石油大学 | Oil gas pipeline corrosion monitoring test device |
-
2009
- 2009-12-21 CN CN2009202782313U patent/CN201594066U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102706794B (en) * | 2012-07-02 | 2014-04-02 | 西南石油大学 | High-temperature high-pressure multiphase flow corrosion testing device |
| CN102706794A (en) * | 2012-07-02 | 2012-10-03 | 西南石油大学 | High-temperature high-pressure multiphase flow corrosion testing device |
| CN103115863A (en) * | 2013-01-23 | 2013-05-22 | 中国石油化工股份有限公司江苏油田分公司 | Simulated test device and method for corrosion nearby suction port of downhole oil pump |
| CN103115863B (en) * | 2013-01-23 | 2015-05-20 | 中国石油化工股份有限公司江苏油田分公司 | Simulated test device and method for corrosion nearby suction port of downhole oil pump |
| CN104880502A (en) * | 2014-02-27 | 2015-09-02 | 中国科学院金属研究所 | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline |
| CN104880502B (en) * | 2014-02-27 | 2017-05-17 | 中国科学院金属研究所 | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline |
| CN103926191B (en) * | 2014-03-26 | 2019-01-04 | 中国石油化工股份有限公司 | Multiphase Flow and fluidised form simulated experiment piping installation and analogue experiment method |
| CN103926191A (en) * | 2014-03-26 | 2014-07-16 | 中国石油化工股份有限公司 | Simulation experimental pipeline device and simulation experimental method of multi-phase fluid erosion and flow states |
| CN105403478A (en) * | 2015-12-03 | 2016-03-16 | 东方电气集团东方汽轮机有限公司 | Solid-liquid-containing multi-phase flow washout test system and test method |
| CN105842097A (en) * | 2016-03-24 | 2016-08-10 | 西南石油大学 | High-temperature high-pressure tubular-flow erosion corrosion experiment device |
| CN106525708A (en) * | 2016-12-06 | 2017-03-22 | 中国船舶重工集团公司第七二五研究所 | Chanel type dynamic medium electrochemical test apparatus and method |
| CN107219138A (en) * | 2017-07-13 | 2017-09-29 | 中国船舶重工集团公司第七二五研究所 | A kind of both arms backward erosion corrosion testing apparatus |
| CN107219138B (en) * | 2017-07-13 | 2023-06-30 | 中国船舶重工集团公司第七二五研究所 | Double-arm reverse scouring corrosion test device |
| CN107655776A (en) * | 2017-10-19 | 2018-02-02 | 中国海洋大学 | A kind of experimental rig for being used to simulate oil gas field compliant riser erosion situation |
| CN108535178A (en) * | 2018-04-28 | 2018-09-14 | 西安热工研究院有限公司 | A kind of corrosive pipeline rate on-Line Monitor Device and on-line monitoring method |
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| CN108844840A (en) * | 2018-05-16 | 2018-11-20 | 广东海洋大学 | A kind of fluid-guiding type erosion-corrosion experiment device |
| CN108844840B (en) * | 2018-05-16 | 2024-02-09 | 广东海洋大学 | Pipe flow type erosion corrosion experimental device |
| CN109765134A (en) * | 2018-12-14 | 2019-05-17 | 大连理工大学 | A kind of inner wall of the pipe erosion corrosion monitoring device and its monitoring method |
| CN109765134B (en) * | 2018-12-14 | 2021-05-25 | 大连理工大学 | Pipeline inner wall abrasion corrosion monitoring device and monitoring method thereof |
| CN109632619A (en) * | 2018-12-29 | 2019-04-16 | 陕西延长石油(集团)有限责任公司研究院 | A kind of simulated high-pressure Multiphase Flow fluctuating corrosion of piping experimental provision |
| CN109632619B (en) * | 2018-12-29 | 2023-09-29 | 陕西延长石油(集团)有限责任公司研究院 | Experimental device for simulating corrosion of high-pressure multiphase flow fluctuation pipeline |
| CN109900579B (en) * | 2019-04-04 | 2024-03-01 | 中国船舶重工集团公司第七0四研究所 | Device for realizing erosion corrosion test of sea water pump impeller |
| CN109900579A (en) * | 2019-04-04 | 2019-06-18 | 中国船舶重工集团公司第七0四研究所 | Realize impeller of sea water pump erosion corrosion test device |
| CN110702595A (en) * | 2019-10-18 | 2020-01-17 | 西安石油大学 | Multifunctional automatic simulation test device for top corrosion of wet gas pipeline |
| CN110702595B (en) * | 2019-10-18 | 2022-06-17 | 西安石油大学 | Multifunctional automatic simulation test device for top corrosion of wet gas pipeline |
| CN111678825A (en) * | 2020-06-08 | 2020-09-18 | 首钢集团有限公司 | Erosion corrosion experimental device and using method thereof |
| CN112986037B (en) * | 2021-05-20 | 2021-07-27 | 西南石油大学 | Experimental device for simulating stratum sand production and eroding oil pipe column |
| US11630043B2 (en) | 2021-05-20 | 2023-04-18 | Southwest Petroleum University | Experimental devices for simulating erosion of tubing strings caused by sand production |
| CN112986037A (en) * | 2021-05-20 | 2021-06-18 | 西南石油大学 | Experimental device for simulating stratum sand production and eroding oil pipe column |
| CN113702274A (en) * | 2021-08-31 | 2021-11-26 | 中国石油化工股份有限公司 | Testing equipment and testing method for scouring resistance of coating and application |
| CN115078240A (en) * | 2022-08-01 | 2022-09-20 | 西南石油大学 | Oil gas pipeline corrosion monitoring test device |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO NCS TESTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CISRI QINGDAO MARINE CORROSION INSTITUTE Effective date: 20121204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121204 Address after: 266071 entrepreneurship center of hi tech Development Zone, Shandong, Qingdao province 143-A Patentee after: Qingdao CISRI Nanogram Detection Protection Technology Co., Ltd. Address before: 266071 Shandong province Qingdao city fushansuo No. 727 Patentee before: CISRI Qingdao Marine Corrosion Institute |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100929 |