CN102507420B - High-temperature high-flow-rate erosion dynamic simulation test tank - Google Patents
High-temperature high-flow-rate erosion dynamic simulation test tank Download PDFInfo
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- CN102507420B CN102507420B CN 201110316961 CN201110316961A CN102507420B CN 102507420 B CN102507420 B CN 102507420B CN 201110316961 CN201110316961 CN 201110316961 CN 201110316961 A CN201110316961 A CN 201110316961A CN 102507420 B CN102507420 B CN 102507420B
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Abstract
The invention relates to a high-temperature high-flow-rate erosion dynamic simulation test tank. A multi-head nozzle is arranged at the top of a tank body of the test tank, a flushing erosion sample clamp provided a plurality of flushing erosion samples is arranged at the lower part, over against the multi-head nozzle, of the tank body, and a material is fed into the multi-head nozzle through a material inlet of the test tank so as to flush and erode the plurality of flushing erosion samples. The flushing erosion sample clamp is arranged on the side wall of the tank body of the test tank via a sample dismounting and mounting port. The lower part of the tank body of the test tank is provided with a soaked sample clamp, and a plurality of soaked samples are vertically hung on the soaked sample clamp. An outlet pipeline of the material is arranged on the part above the soaked sample clamp, of the tank body, and the tank body beside the outlet pipeline is provided with a liquid lever meter and a liquid level boundary controller. The test tank disclosed by the invention can be used for simultaneously carrying out a flushing erosion experiment on a plurality of parallel samples and a soaking erosion experiment on a plurality of parallel samples, so that the test times are reduced, and the labor force and the material resources are saved greatly.
Description
Technical field
The present invention relates to a kind of high-temperature high-flow rate corrosion dynamic analog test jar, particularly the dynamic analog test jar of the immersion corrosion experiment of a kind of erosion-corrosion experiment that can carry out a plurality of parallel samples simultaneously and a plurality of parallel samples.
Background technology
Petroleum industry is processed crude oil with poor quality for a long time, brings naphthenic acid, sulfide corrosion and the synergy thereof of the equipment corrosion problem, particularly high temperature position that become increasingly conspicuous, is one of hot issue that needs to be resolved hurrily in the current petroleum refining industry.
For this reason, part colleges and universities, scientific research institutions and enterprise have carried out some high temperature corrosion experiments, and be early stage, the pyroreaction still that main experimental provision stirs for band, however low flow velocity makes it can't simulate actual condition well.Calendar year 2001, Chinese Academy of Sciences's metal has been developed a kind of high-temp high-flow-speed outwash device; On this basis, 2008, University of Science ﹠ Technology, Beijing developed the corrosion simulated device of a kind of high-temperature high-flow rate.Yet the test tank of present dynamic analog device has following deficiency: 1, each experiment can only be installed an erosion corrosion sample; 2, the immersion corrosion sample arbitrarily is placed at the bottom of the test tank, does not meet the code requirement of the vertical hanging of immersion corrosion experiment; 3, do not have independent sample dismounting hole, the nozzle of all will dismantling during each dismounting sample makes the test tank dismounting extremely inconvenient.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the dynamic analog test jar under a kind of high-temperature high-flow rate corrosion, to overcome the each experiment of existing test tank an erosion corrosion sample can only be installed, the immersion corrosion sample arbitrarily is placed at the bottom of the test tank, do not meet the code requirement of the vertical hanging of immersion corrosion experiment, there is not independent sample dismounting hole, the deficiency of the nozzle of all will dismantling during each dismounting sample.
The invention provides a kind of high-temperature high-flow rate corrosion dynamic analog test jar, a bull nozzle is installed at its tank body top, the one erosion specimen holder that a plurality of erosion samples are housed is set over against the below of bull nozzle, material enters the bull nozzle by the material inlet of test tank, the described a plurality of erosion samples of erosion corrosion; Described erosion specimen holder is installed on the tank wall of described test tank by sample dismounting mouth, and the installing port of described bull nozzle and sample dismounting mouth are installed in respectively on the top and tank wall of test tank, makes need not dismantle nozzle when changing the erosion sample; The tank body bottom of described test tank arranges one and soaks specimen holder, and a plurality of immersion samples are hung vertically on the described immersion specimen holder, with erosion corrosion and the immersion corrosion of realizing a plurality of parallel samples simultaneously; The discharge pipe of material is arranged on the tank body of described immersion specimen holder top, near the tank body the described discharge pipe liquid level is installed and takes into account liquid level circle position controller, with the liquid level of automatic maintenance material in tank.
Described erosion specimen holder can be regulated the setting angle of erosion sample.
Tank body bottom at material inlet and test tank is installed temperature element respectively, tests the medium temperature of erosion corrosion test and immersion corrosion test respectively.The tank body bottom of described test tank is equipped with the on-line corrosion monitoring probe.Described material inlet place is provided with flowmeter, near the tank body the described material inlet tensimeter is installed.
Dynamic analog test jar provided by the invention can carry out the immersion corrosion experiment of the erosion-corrosion experiment of a plurality of parallel samples and a plurality of parallel samples simultaneously, standard the requirement of soak test, reduced test number (TN), greatly saved manpower and materials; Liquid level realizes control automatically; Sample mounting hole and nozzle mounting hole be design separately, without release sprayhead, has solved the loaded down with trivial details problem of dismounting in the past when making the replacing sample.
Description of drawings
Fig. 1 is the structural representation of dynamic analog test jar among the present invention, wherein,
1.-material inlet and bull nozzle installing port; 2.-sample dismounting mouth;
1,8-temperature measurement on-line element; The 2-tensimeter; 3-erosion specimen holder; 4-soaks sample mount; The 5-liquid level is taken into account liquid level circle position controller; The 6-discharge pipe; 7-sewage draining exit pipeline; 9-on-line corrosion monitoring probe; 10-bull spraying system; The 11-safety valve; The 12-flowmeter
Embodiment
The invention provides a kind of high-temperature high-flow rate corrosion dynamic analog test jar.
A bull nozzle is installed at the tank body top of described dynamic analog test jar, the one erosion specimen holder 3 that a plurality of erosion samples are housed is set over against the below of bull nozzle, during each the experiment, material enters the bull nozzle by the material inlet of test tank, a plurality of parallel sample on the erosion of the erosion corrosion simultaneously specimen holder 3.Described erosion specimen holder 3 can be regulated the setting angle of erosion sample.
Described erosion specimen holder 3 is installed on the tank wall of described test tank by sample dismounting mouth, in addition, the installing port of described bull nozzle and sample dismounting mouth are installed in respectively on the top and tank wall of test tank, make and to dismantle nozzle when changing the erosion sample, solved the loaded down with trivial details problem of dismounting in the past.
The tank body bottom of described test tank arranges one and soaks specimen holder 4, a plurality of immersion samples are hung vertically on the described immersion specimen holder 4, can carry out the static immersing test simultaneously, standard the requirement of immersion test, and, the increase of parallel sample quantities has reduced experiment number, has greatly saved human and material resources.
The discharge pipe 6 of material is arranged on the tank body of described immersion specimen holder 4 tops, near the tank body the described discharge pipe 6 liquid level is installed and takes into account liquid level circle position controller 5, with the liquid level of automatic maintenance material in tank.
Tank body bottom at material inlet and test tank is installed temperature element 1,8 respectively, tests the medium temperature of erosion corrosion test and immersion corrosion test respectively, has solved former medium temperature and has measured inaccurate problem.
The tank body bottom of described test tank is equipped with on-line corrosion monitoring probe 9, and institute's monitoring of structures can confirm mutually with the static immersing test, estimates the corrosivity of medium etc.
Claims (6)
1. a high-temperature high-flow rate corrodes the dynamic analog test jar, it is characterized in that, at the tank body top of described test tank one bull nozzle is installed, the one erosion specimen holder (3) that a plurality of erosion samples are housed is set over against the below of bull nozzle, material enters the bull nozzle by the material inlet of test tank, the described a plurality of erosion samples of erosion corrosion; Described erosion specimen holder (3) is installed on the tank wall of described test tank by sample dismounting mouth, the installing port of described bull nozzle and sample dismounting mouth are installed in respectively on the top and tank wall of test tank, make need not dismantle nozzle when changing the erosion sample; The tank body bottom of described test tank arranges one and soaks specimen holder (4), and a plurality of immersion samples are hung vertically on the described immersion specimen holder (4), with erosion corrosion and the immersion corrosion of realizing a plurality of parallel samples simultaneously; The discharge pipe of material (6) is arranged on the tank body of described immersion specimen holder (4) top, near the tank body the described discharge pipe (6) liquid level is installed and takes into account liquid level circle position controller (5), with the liquid level of automatic maintenance material in tank.
2. dynamic analog test jar as claimed in claim 1 is characterized in that, described erosion specimen holder (3) can be regulated the setting angle of erosion sample.
3. dynamic analog test jar as claimed in claim 1 is characterized in that, in the tank body bottom of material inlet and test tank temperature element (1,8) is installed respectively, tests the medium temperature of erosion corrosion test and immersion corrosion test respectively.
4. dynamic analog test jar as claimed in claim 1 is characterized in that, the tank body bottom of described test tank also is equipped with on-line corrosion monitoring probe (9).
5. dynamic analog test jar as claimed in claim 1 is characterized in that, described material inlet place is provided with flowmeter (12).
6. dynamic analog test jar as claimed in claim 1 is characterized in that, near the tank body the described material inlet tensimeter (2) is installed also.
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| CN 201110316961 CN102507420B (en) | 2011-10-18 | 2011-10-18 | High-temperature high-flow-rate erosion dynamic simulation test tank |
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| CN 201110316961 CN102507420B (en) | 2011-10-18 | 2011-10-18 | High-temperature high-flow-rate erosion dynamic simulation test tank |
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| CN102507420A CN102507420A (en) | 2012-06-20 |
| CN102507420B true CN102507420B (en) | 2013-08-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630489B (en) * | 2012-08-28 | 2016-10-05 | 中国科学院金属研究所 | Self-circulation solid-liquid phase erosion corrosion experiment device |
| CN104297141B (en) * | 2014-10-28 | 2016-09-07 | 中国科学院合肥物质科学研究院 | A kind of axial erosion corrosion test device of sample and method |
| CN104634683B (en) * | 2015-01-27 | 2017-11-21 | 中国石油化工股份有限公司青岛安全工程研究院 | A kind of sample flushing device |
| CN105067509B (en) * | 2015-08-13 | 2018-05-15 | 中国石油化工股份有限公司青岛安全工程研究院 | Crude oil storage tank corrosion monitor |
| CN105891094B (en) * | 2016-04-05 | 2019-03-26 | 合肥通用机械研究院有限公司 | A kind of corrosion testing apparatus and its test method of analog complex environment |
| CN105866018B (en) * | 2016-04-19 | 2018-10-16 | 中国石油天然气集团公司 | Experimental rig and method for evaluating oil-gas pipeline erosion corrosion under high flow rate |
| CN109374430B (en) * | 2018-11-24 | 2021-01-01 | 佛山市杰欧壹凯精密机械有限公司 | Detection apparatus for metal material bending fatigue under corrosive environment |
| CN110398433B (en) * | 2019-08-31 | 2022-02-08 | 西南石油大学 | Multiphase flow erosion wear experiment table applied to tubular test piece |
| CN112611667B (en) * | 2020-11-03 | 2022-07-15 | 北京科技大学 | Physical simulation test device for steel ladle slag line resistant material erosion corrosion and use method |
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