CN114486709A - Three-phase corrosion test device and test method - Google Patents
Three-phase corrosion test device and test method Download PDFInfo
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- CN114486709A CN114486709A CN202210252954.6A CN202210252954A CN114486709A CN 114486709 A CN114486709 A CN 114486709A CN 202210252954 A CN202210252954 A CN 202210252954A CN 114486709 A CN114486709 A CN 114486709A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 154
- 230000007797 corrosion Effects 0.000 title claims abstract description 153
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 239000012071 phase Substances 0.000 claims abstract description 136
- 239000007791 liquid phase Substances 0.000 claims abstract description 56
- 238000010992 reflux Methods 0.000 claims abstract description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 239000003758 nuclear fuel Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 9
- 238000011156 evaluation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 28
- 239000007788 liquid Substances 0.000 description 14
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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Abstract
The invention discloses a three-phase corrosion test device and a test method, wherein the three-phase corrosion test device comprises a corrosion container, a connecting container and a condenser; the corrosion container, the connecting container and the condenser are sequentially arranged from bottom to top; the corrosion container is used for containing a liquid phase corrosion medium and a liquid phase sample, and the liquid phase corrosion medium generates a gas phase corrosion medium in the corrosion container; the connecting container is used for circulating a gas-phase corrosion medium generated by the corrosion container, the gas-phase corrosion medium is introduced into the condenser through the connecting container, and a gas-phase sample is arranged on a gas-phase corrosion medium flowing path; the condenser is used for condensing an entering gas-phase corrosion medium into a condensed phase, and a condensed phase sample is arranged on a condensed phase reflux path. The invention can meet the requirement of carrying out corrosion tests on the material for the nuclear fuel chemical reactor under the conditions of gas phase, liquid phase and condensed phase at the same time, thereby realizing the evaluation of the corrosion performance of the material for the nuclear fuel chemical reactor.
Description
Technical Field
The invention relates to the technical field of corrosion, in particular to a three-phase corrosion test device and a test method.
Background
In the actual working condition of nuclear fuel chemical industry, the materials for the nuclear fuel chemical reactor are simultaneously in three different corrosion environments, namely a nitric acid solution (liquid phase), nitric acid steam (gas phase) generated by boiling and liquid drops (condensed phase) which meet cold condensation and backflow, and a single full-immersion corrosion (liquid phase) test selected in a laboratory cannot comprehensively evaluate the corrosion resistance of the materials for the nuclear fuel chemical reactor. Therefore, there is a need for an apparatus and method that can satisfy three-phase (gas, liquid and condensate) corrosion tests.
Through research on corrosion devices at home and abroad, a patent CN201811610143.9 designs and provides a high-temperature high-pressure gas, liquid and solid three-phase erosion corrosion test device and a test method, and the patent mainly aims at simulating the corrosion condition of a metal material in a pipeline and carries out a gas, liquid and solid three-phase erosion corrosion test; patents CN201010521260.5 and CN 202010654784.5 both propose a gas-liquid two-phase flow corrosion test device, but cannot synchronously carry out a condensed phase corrosion test.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the prior art is lack of a technology for satisfying a three-phase (gas phase, liquid phase and condensed phase) corrosion test, and the invention provides a three-phase corrosion test device and a test method for solving the problems.
The invention is realized by the following technical scheme:
a three-phase corrosion test device comprises a corrosion container, a connecting container and a condenser; the corrosion container, the connecting container and the condenser are sequentially arranged from bottom to top; the corrosion container is used for containing a liquid phase corrosion medium and a liquid phase sample, and the liquid phase corrosion medium generates a gas phase corrosion medium in the corrosion container; the connecting container is used for circulating a gas-phase corrosion medium generated by the corrosion container, guiding the gas-phase corrosion medium into the condenser through the connecting container, and arranging a gas-phase sample on a gas-phase corrosion medium flow path; the condenser is used for condensing an entering gas-phase corrosion medium into a condensed phase, and a condensed phase sample is arranged on a condensed phase reflux path.
The corrosion container is positioned at the bottom of the three-phase corrosion test device and is used for containing a liquid-phase corrosion medium and a liquid-phase sample and carrying out a liquid-phase corrosion test; the connecting container is positioned in the middle part of the three-phase corrosion test device and is used for carrying out a gas phase corrosion test; the condenser is positioned at the top of the three-phase corrosion test device, and condenses and refluxes steam into condensed liquid drops for carrying out a condensed phase corrosion test. The invention can meet the requirement of carrying out corrosion tests on the material for the nuclear fuel chemical reactor under the conditions of gas phase, liquid phase and condensed phase at the same time, thereby realizing the evaluation of the corrosion performance of the material for the nuclear fuel chemical reactor. The test device can realize long-period operation of corrosion test under high-temperature conditions of high-oxidizing-ion and high-concentration boiling nitric acid.
Further preferably, the top port of the corrosion vessel and the bottom port of the connection vessel are connected by a first clamp, and the top port of the connection vessel and the bottom port of the condenser are connected by a second clamp.
Preferably, a liquid phase sample rack is arranged in the corrosion container and used for installing a liquid phase sample and carrying out a liquid phase corrosion test.
Further preferably, a gas phase sample rack is arranged in the connecting container and used for installing a gas phase sample to perform a gas phase corrosion test.
Further preferably, the connecting container is further provided with a first port, and the first port is used for installing a thermometer.
Further preferably, the device also comprises a thermometer blind pipe; a thermometer blind pipe is arranged at the first port, and the blind end of the thermometer blind pipe extends into the connecting container from the first port; and the thermometer blind pipe is used for containing heat conduction oil and a thermometer.
Further preferably, a second port is further arranged on the connecting container, and the second port is used as a supplementary port for a liquid phase corrosive medium and a test sample; the test sample comprises a liquid phase sample, a gas phase sample and/or a condensed phase sample.
Preferably, a condensed phase sample rack is arranged in the condenser and used for installing a condensed phase sample and carrying out a condensed phase corrosion test; the lowest point of the condenser is designed as a condensate collecting point, and a condensate phase sample arranged on a condensate phase sample rack is positioned below the condensate collecting point.
Further preferably, a serpentine condenser pipe is adopted in the condenser.
A three-phase corrosion test method adopts the three-phase corrosion test device, and comprises the following steps:
placing a liquid phase corrosion medium and a liquid phase sample in a corrosion container; installing the gas phase sample in a connecting container; installing the condensed phase sample in a condenser; heating the corrosion container to a specified temperature, generating a gas-phase corrosion medium in the corrosion container by using the liquid-phase corrosion medium, and allowing the gas-phase corrosion medium to enter a condenser through a connecting container; the gas phase corrosive medium is condensed, refluxed and dropped on a condensed phase sample in the condenser; and after the corrosion period is reached, taking out the sample for subsequent operation.
The invention has the following advantages and beneficial effects:
the invention provides a three-phase corrosion test device and a test method, which are a gas-liquid-condensation three-phase corrosion test device and a test method, and can simulate corrosion tests of a material for a nuclear fuel chemical reactor under three different corrosion environments, namely a nitric acid solution (liquid phase), nitric acid vapor (gas phase) generated by boiling and liquid drops (condensed phase) which are subjected to condensation and backflow when meeting cold, so that the evaluation of the corrosion performance of the material for the nuclear fuel chemical reactor is realized. The test device can realize long-period operation of corrosion test under high-temperature conditions of high-oxidizing ions and high-concentration boiling nitric acid, conveniently monitor the temperature of the corrosion simulation feed liquid, quickly supplement the simulation feed liquid and remotely extract a sample.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a three-phase corrosion test apparatus according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-corrosion vessel, 2-connection vessel, 21-first port, 22-second port, 23-gas phase sample holder, 3-condenser, 31-condensed phase sample holder, 41-first clamp, 41-second clamp, 5-liquid phase sample holder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a three-phase corrosion test device, which comprises a corrosion container, a connecting container and a condenser; the corrosion container, the connecting container and the condenser are sequentially arranged from bottom to top, a top port of the corrosion container and a bottom port of the connecting container are in sealing connection through a first clamp, and a top port of the connecting container and a bottom port of the condenser are in sealing connection through a second clamp. The corrosion container, the connecting container and the condenser are all made of corrosion-resistant materials, such as glass, ceramics and other materials, so that the corrosion resistance of the three-phase corrosion test device is ensured; the first clamp and the second clamp are made of stainless steel materials, ports of two adjacent containers are connected and fixed, and sealing performance is guaranteed.
The corrosion container is used for containing a liquid phase corrosion medium and a liquid phase sample, and the liquid phase corrosion medium generates a gas phase corrosion medium in the corrosion container; the connecting container is used for circulating a gas-phase corrosion medium generated by the corrosion container, the gas-phase corrosion medium is led into the condenser through the connecting container, and a gas-phase sample is arranged on a gas-phase corrosion medium flow path; the condenser is used for condensing the entering gas-phase corrosive medium into a condensed phase, and a condensed phase sample is arranged on a condensed phase reflux path. Thereby realize adopting the device that this embodiment provided to carry out liquid phase corrosion test, gaseous phase corrosion test and condensate phase corrosion test simultaneously. The following detailed description describes some structures:
first, corrosion container
The corrosion container is internally provided with a liquid phase sample rack, a suspension bracket with at least three support legs can be adopted as the liquid phase sample rack, and when the corrosion container is used, the corrosion container is suspended on the liquid phase sample rack and immersed in a liquid phase corrosion medium in a constant temperature control system to carry out a liquid phase corrosion test. The corrosion container is of a cylindrical structure made of corrosion-resistant transparent glass.
Two, connecting container
The connecting container is provided with three ports: a first port, a top port, and a second port. A thermometer blind pipe is arranged at the first port, and the blind end of the thermometer blind pipe extends into the connecting container from the first port; heat conducting oil with a certain height is injected into the thermometer blind pipe, and the thermometer is inserted into the heat conducting oil; the thermometer blind pipe is inserted below the liquid level of the liquid phase corrosive medium, the temperature of the liquid phase corrosive medium transfers heat to the heat transfer oil, and the thermometer displays the temperature of the simulation feed liquid. The second port is used as a supplement port for a liquid phase corrosion medium and a test sample; the test samples refer to liquid phase samples, gas phase samples and condensed phase samples. The top port serves as a gas phase flow channel connecting the vessel to the condenser. And the top channel of the connecting container is provided with a necking close to the top port, the inner diameter of the necking is smaller than that of the top port, and the gas-phase corrosive medium is released into the condenser through the necking and the top port in sequence, so that the flow rate of the gas-phase corrosive medium entering the condenser is favorably reduced, and the influence on a condensed sample is reduced.
An annular gas phase sample frame is arranged at the upper position of the middle part of the connecting container, two connecting rods are arranged on the annular gas phase sample frame along the circumferential direction, one end of each connecting rod is connected with the annular gas phase sample frame, and the other end of each connecting rod is connected with the inner side wall of the connecting container. And (3) hanging the gas-phase sample on an annular gas-phase sample rack through an S-shaped hook. The flow of the condensate flowing back along the inner wall of the connecting container to the gas phase sample is avoided.
Third, condenser
The bottom port of the condenser is connected with the connecting container, and the top port of the condenser is used for discharging redundant gas-phase corrosive medium. A snakelike condensing pipe is adopted as a condensing pipe in the condenser, and a snakelike condensing reflux device is adopted to increase the cooling area, so that gas generated in the container is rapidly condensed, and the pressure in the container is reduced; the serpentine condenser tube is used for circulating a condensing medium. The shell of the condenser adopts a cylindrical structure made of corrosion-resistant transparent glass.
The condensation liquid collection point is designed at the lowest point of the snakelike condenser pipe, the collection piece of the funnel structure can be adopted, the large-diameter end of the collection piece of the funnel structure is installed at the lowest point of the snakelike condenser pipe, a condensation phase sample rack is arranged under the small-diameter end of the collection piece of the funnel structure, and the condensation phase sample rack is used for hanging a condensation phase sample to ensure that the condensation liquid drops on the condensation sample.
Example 2
The embodiment provides a three-phase corrosion test method, and the three-phase corrosion test device provided in embodiment 1 is characterized by comprising the following specific steps:
step 1: preparing a sample
The test specimen was sized according to the test requirements, and a hole of 2mm diameter was placed in the center of the top of the liquid and gas phase specimens for hanging the specimens. And (3) polishing, deoiling, cleaning, washing, weighing and measuring the liquid phase sample, the gas phase sample and the condensed phase sample.
Step 2: preparing corrosive solution as liquid phase corrosive medium
Test solutions were prepared according to the test requirements and placed in a clean corrosion vessel.
And step 3: initiation of corrosion test
Placing a liquid phase corrosion medium and a liquid phase sample in a corrosion container; installing the gas phase sample in a connecting container; installing the condensed phase sample in a condenser; cooling water flows through the condenser;
heating the corrosion container to a specified temperature by adopting a constant-temperature oil bath kettle, boiling a liquid-phase corrosion medium in the corrosion container to generate a gas-phase corrosion medium, and feeding the gas-phase corrosion medium into a condenser through a connecting container; the gas phase corrosive medium is condensed, refluxed and dropped on a condensed phase sample in the condenser; and starting to record time when the temperature of the liquid phase corrosive medium is raised to a specified temperature.
And 4, step 4: end of the test
When the specified corrosion time is reached, closing a switch of the constant-temperature oil bath kettle, and when the temperature of the liquid phase corrosion medium is reduced to room temperature, closing the cooling water, opening the corrosion device, and taking out each sample rack; each test specimen was subjected to washing, drying and weighing operations.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A three-phase corrosion test device comprises a corrosion container, and is characterized by also comprising a connecting container and a condenser;
the corrosion container, the connecting container and the condenser are sequentially arranged from bottom to top;
the corrosion container is used for containing a liquid phase corrosion medium and a liquid phase sample, and the liquid phase corrosion medium generates a gas phase corrosion medium in the corrosion container; the connecting container is used for circulating a gas-phase corrosion medium generated by the corrosion container, guiding the gas-phase corrosion medium into the condenser through the connecting container, and arranging a gas-phase sample on a gas-phase corrosion medium flow path; the condenser is used for condensing an entering gas-phase corrosion medium into a condensed phase, and a condensed phase sample is arranged on a condensed phase reflux path.
2. The apparatus of claim 1, wherein the top port of the corrosion vessel is connected to the bottom port of the connection vessel by a first clamp, and the top port of the connection vessel is connected to the bottom port of the condenser by a second clamp.
3. The apparatus of claim 1, wherein a liquid phase sample holder is arranged in the corrosion container, and the liquid phase sample holder is used for mounting a liquid phase sample to perform a liquid phase corrosion test.
4. The apparatus of claim 1, wherein a gas phase sample holder is disposed in the connection container, and the gas phase sample holder is used for mounting a gas phase sample for performing a gas phase corrosion test.
5. The apparatus of claim 1, wherein the connection container further comprises a first port for receiving a thermometer.
6. The three-phase corrosion testing device according to claim 5, further comprising a thermometer blind pipe; a thermometer blind pipe is arranged at the first port, and the blind end of the thermometer blind pipe extends into the connecting container from the first port; and the thermometer blind pipe is used for containing heat conduction oil and a thermometer.
7. The apparatus according to claim 1, wherein the connection container is further provided with a second port, and the second port is used as a supplementary port for liquid phase corrosive medium and test sample; the test sample comprises a liquid phase sample, a gas phase sample and/or a condensed phase sample.
8. The three-phase corrosion test device according to claim 1, wherein a condensed phase sample holder is arranged in the condenser, and is used for mounting a condensed phase sample to perform a condensed phase corrosion test; the lowest point of the condenser is designed as a condensate collecting point, and a condensate phase sample arranged on a condensate phase sample rack is positioned below the condensate collecting point.
9. The apparatus of claim 1, wherein a serpentine condenser tube is used in the condenser.
10. A three-phase corrosion test method using a three-phase corrosion test apparatus according to any one of claims 1 to 9, comprising the steps of:
placing a liquid phase corrosion medium and a liquid phase sample in a corrosion container; installing the gas phase sample in a connecting container; installing the condensed phase sample in a condenser;
heating the corrosion container to a specified temperature, generating a gas-phase corrosion medium in the corrosion container by using the liquid-phase corrosion medium, and allowing the gas-phase corrosion medium to enter a condenser through a connecting container; the gas phase corrosive medium is condensed, refluxed and dropped on a condensed phase sample in the condenser;
and after the corrosion period is reached, taking out the sample for subsequent operation.
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| CN202210252954.6A CN114486709A (en) | 2022-03-15 | 2022-03-15 | Three-phase corrosion test device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112551A (en) * | 2022-06-24 | 2022-09-27 | 中国核动力研究设计院 | Acid corrosion resistant dissolution kinetic reaction device and experimental method thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718567Y (en) * | 2004-06-30 | 2005-08-17 | 宝山钢铁股份有限公司 | Dynamic high-pressure autoclave corrosion sample clamp |
| CN201222028Y (en) * | 2008-07-08 | 2009-04-15 | 浙江大学 | Experimental device for static high-temperature naphthenic acid corrosion |
| US20100147056A1 (en) * | 2008-12-12 | 2010-06-17 | Stolle Joseph W | Top of the Line Corrosion Apparatus |
| CN101929945A (en) * | 2009-08-21 | 2010-12-29 | 昆明理工大学 | Low-temperature dew point corrosion experiment method for phosphorus in yellow phosphorus tail gas on boiler material and device thereof |
| CN102004074A (en) * | 2010-10-27 | 2011-04-06 | 中国石油化工股份有限公司 | High-temperature high-pressure gas-liquid two-phase corrosion simulated experiment device and experimental method thereof |
| CN202869674U (en) * | 2012-10-09 | 2013-04-10 | 山东新华医疗器械股份有限公司 | Temperature detection device for freeze dryers |
| CN203572756U (en) * | 2013-10-23 | 2014-04-30 | 中国石油化工股份有限公司 | Corrosion simulation device of environment containing volatile substances |
| CN103983507A (en) * | 2014-04-28 | 2014-08-13 | 北京科技大学 | A test device of high temperature stress corrosion of a large-size specimen |
| CN209927695U (en) * | 2019-05-09 | 2020-01-10 | 南京工业大学 | Simulation test device for corrosion of petrochemical equipment by oil containing organic matters |
| CN214010559U (en) * | 2020-12-16 | 2021-08-20 | 天津中科首创仪表有限公司 | Anti-corrosion thermal resistor |
| CN113777021A (en) * | 2021-08-23 | 2021-12-10 | 中国科学院金属研究所 | Experimental device for simulating spent fuel aftertreatment boiling nitric acid three-phase corrosion |
-
2022
- 2022-03-15 CN CN202210252954.6A patent/CN114486709A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2718567Y (en) * | 2004-06-30 | 2005-08-17 | 宝山钢铁股份有限公司 | Dynamic high-pressure autoclave corrosion sample clamp |
| CN201222028Y (en) * | 2008-07-08 | 2009-04-15 | 浙江大学 | Experimental device for static high-temperature naphthenic acid corrosion |
| US20100147056A1 (en) * | 2008-12-12 | 2010-06-17 | Stolle Joseph W | Top of the Line Corrosion Apparatus |
| CN101929945A (en) * | 2009-08-21 | 2010-12-29 | 昆明理工大学 | Low-temperature dew point corrosion experiment method for phosphorus in yellow phosphorus tail gas on boiler material and device thereof |
| CN102004074A (en) * | 2010-10-27 | 2011-04-06 | 中国石油化工股份有限公司 | High-temperature high-pressure gas-liquid two-phase corrosion simulated experiment device and experimental method thereof |
| CN202869674U (en) * | 2012-10-09 | 2013-04-10 | 山东新华医疗器械股份有限公司 | Temperature detection device for freeze dryers |
| CN203572756U (en) * | 2013-10-23 | 2014-04-30 | 中国石油化工股份有限公司 | Corrosion simulation device of environment containing volatile substances |
| CN103983507A (en) * | 2014-04-28 | 2014-08-13 | 北京科技大学 | A test device of high temperature stress corrosion of a large-size specimen |
| CN209927695U (en) * | 2019-05-09 | 2020-01-10 | 南京工业大学 | Simulation test device for corrosion of petrochemical equipment by oil containing organic matters |
| CN214010559U (en) * | 2020-12-16 | 2021-08-20 | 天津中科首创仪表有限公司 | Anti-corrosion thermal resistor |
| CN113777021A (en) * | 2021-08-23 | 2021-12-10 | 中国科学院金属研究所 | Experimental device for simulating spent fuel aftertreatment boiling nitric acid three-phase corrosion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112551A (en) * | 2022-06-24 | 2022-09-27 | 中国核动力研究设计院 | Acid corrosion resistant dissolution kinetic reaction device and experimental method thereof |
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