CN2427805Y - High temp., high pressure metal corrosion measuring instrument - Google Patents
High temp., high pressure metal corrosion measuring instrument Download PDFInfo
- Publication number
- CN2427805Y CN2427805Y CN 00233403 CN00233403U CN2427805Y CN 2427805 Y CN2427805 Y CN 2427805Y CN 00233403 CN00233403 CN 00233403 CN 00233403 U CN00233403 U CN 00233403U CN 2427805 Y CN2427805 Y CN 2427805Y
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- Prior art keywords
- high pressure
- temperature
- metal erosion
- high temperature
- pressure metal
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Abstract
The utility model provides a high temperature high pressure metal corrosion tester, which comprises a heating device, an automatic temperature control device, a pressure device and a metal corrosion test device. The utility model has the scope of application that the temperature is from room temperature to 230 DEG, and the pressure is from 0 to 10 MPa. The utility model solves the problem of difficult test of the metal static corrosion rate in high temperature and high pressure condition.
Description
The utility model relates to a kind of High Temperature High Pressure metal erosion tester, is applicable to the mensuration of rate of metal corrosion.
At present, the method that normal temperature and pressure conditions is measured down rate of metal corrosion is a lot, and gravimetric method, volumetric method, method of polarization curve, linear approach etc. are arranged, and the wherein wt method is a kind of comparatively classic methods, also is to measure one of the most reliable method of metal erosion speed.Relevant testing tool is also a lot.But under harsh conditions, for example high temperature or high pressure, especially high-temperature and high-pressure conditions (T 〉=100 ℃, P 〉=2MPa) measures then difficulty relatively of metal static etch rate down, corresponding device thereof is also seldom.Particularly, (T 〉=100 ℃, the device that P 〉=2MPa) measures the metal static etch rate does not down appear in the newspapers high-temperature and high-pressure conditions up to now both at home and abroad as yet.Along with the development of offshore oil exploration and exploitation, (T 〉=100 ℃, the need for equipment that P 〉=2MPa) measures the metal static etch rate down seems more and more urgent to high-temperature and high-pressure conditions.High Temperature High Pressure metal erosion tester is exactly to adopt the static steel weight-loss method in the gravimetric method to measure corrosion of metal speed.The test temperature scope is a room temperature-230 ℃, and the test pressure scope is 0-10MPa.
The purpose of this utility model is just in order to solve in high-temperature and high-pressure conditions (T 〉=100 ℃, P 〉=2MPa) measures the difficult problem of metal static etch rate down and provides that a kind of (T≤230 ℃, P≤10MPa) can accurately measure the High Temperature High Pressure metal erosion tester of metal static corrosion speed down at high-temperature and high-pressure conditions.
The utility model provides a kind of High Temperature High Pressure metal erosion tester, and this tester comprises heating arrangement, automatic temperature control, pressue device and metal erosion proving installation.
According to High Temperature High Pressure metal erosion tester of the present utility model, wherein, described heating arrangement is made of heater housing, thermal insulation medium, well heater inner casing, high temperature heat conductive oil, electric heater.
According to High Temperature High Pressure metal erosion tester of the present utility model, wherein, described automatic temperature control is made of digital temperature controller, transformer, rectifier bridge, DC relay and temperature sensor.
According to High Temperature High Pressure metal erosion tester of the present utility model, wherein, described pressue device is made of forcing pump, precision pressure gauge.
According to High Temperature High Pressure metal erosion tester of the present utility model, wherein, described metal erosion proving installation is made of test still, high pressure sealing gland, lacing film support, thermometer hole and pressure tap.
Brief Description Of Drawings Fig. 1 is the structural representation of High Temperature High Pressure metal erosion tester of the present utility model.Fig. 2 is the circuit diagram of High Temperature High Pressure metal erosion tester of the present utility model.
Below in conjunction with accompanying drawing High Temperature High Pressure metal erosion tester of the present utility model is elaborated.
Fig. 1 is the structural representation of High Temperature High Pressure metal erosion tester of the present utility model.Fig. 2 is the circuit diagram of High Temperature High Pressure metal erosion tester of the present utility model.As shown in Figure 1, Fig. 1 comprises heating arrangement 1 for High Temperature High Pressure metal erosion tester of the present utility model, automatic temperature control 2, pressue device 3 and metal erosion proving installation 4, wherein, described heating arrangement 1 is made of heater housing 101, thermal insulation medium 102, well heater inner casing 103, high temperature heat conductive oil 104, electric heater 105; Described automatic temperature control 2 is made of digital temperature controller 201, transformer 202, rectifier bridge 203, DC relay 204 and temperature sensor 205.In High Temperature High Pressure metal erosion tester of the present utility model, be provided with two sleeving temperature automatons, 2, one covers and be used for control and experiments of measuring temperature, another set of control and the measurement heating medium temperature of being used for; Described pressue device 3 is made of forcing pump 301, precision pressure gauge 302 and pressure control valve 303; Described metal erosion proving installation 4 is made of test still 401, high pressure sealing gland 402, lacing film support 403, thermometer hole 404 and pressure tap 405, wherein, thermometer hole 404 is two, and one is used for the experiments of measuring temperature, and another is used to measure the heating medium temperature.
With High Temperature High Pressure metal erosion tester of the present utility model in High Temperature High Pressure (T 〉=100 ℃, when measuring the metal static etch rate under the condition of P 〉=2MPa), at first the corrosive medium for preparing is joined in the test still 401, metal testing plate is hung on the lacing film support 403.Connect pressurized pipeline, temperature sensor 205 is inserted thermometer hole 404, pressure is added to 1MPa earlier, temperature controller 201 temperature are set to required test temperature with forcing pump 301, when test temperature reaches the test temperature that sets, again test pressure is added to designed test pressure.Under the constant condition of test temperature and test pressure, through after the test period of some hrs, decrease temperature and pressure is also taken out the lacing film test specimen, through removing operations such as corrosion product, dehydration, drying, weighing, calculates corrosion of metal speed.
Adopt High Temperature High Pressure metal erosion tester of the present utility model, under high-temperature and high-pressure conditions, can accurately measure the metal static etch rate, suitable temperature range is a room temperature-230 ℃, and pressure limit is 0-10MPa.
Adopt High Temperature High Pressure metal erosion tester of the present utility model, to adding or do not add the single salt solution (CaBr of corrosion inhibiter
2) test fluid corrosion rate to steel under different temperatures measures, and the results are shown in Table 1.Wherein, the test group of the test fluid that do not add corrosion inhibiter is called control group, the test group of the test fluid that adds corrosion inhibiter is called experimental group.
Table 1 does not add and is added with the single CaBr of corrosion inhibiter
2The corrosion rate of salt solution under different temperatures
(CaBr
2, ρ=1.7g/cm
3, the test duration is 120h)
* the test duration is 48h
Adopt High Temperature High Pressure metal erosion tester of the present utility model, to adding or do not add the compound salt solution (CaBr of corrosion inhibiter
2+ ZnBr
2) test fluid corrosion rate to steel under different temperatures measures, and the results are shown in Table 2.Wherein, the test group of the test fluid that do not add corrosion inhibiter is called control group, the test group of the test fluid that adds corrosion inhibiter is called experimental group.
Table 2 does not add and is added with the corrosion rate of complex salt salt solution under different temperatures of corrosion inhibiter
(CaBr
2+ ZnBr
2, ρ=2.0g/cm
3, the test duration is 168h)
Claims (5)
1, a kind of High Temperature High Pressure metal erosion tester is characterized in that this tester comprises heating arrangement, automatic temperature control, pressue device and metal erosion proving installation.
2, High Temperature High Pressure metal erosion tester according to claim 1 is characterized in that, described heating arrangement is made of heater housing, thermal insulation medium, well heater inner casing, high temperature heat conductive oil, electric heater.
3, High Temperature High Pressure metal erosion tester according to claim 1 is characterized in that described automatic temperature control is made of digital temperature controller, transformer, rectifier bridge, DC relay and temperature sensor.
4, High Temperature High Pressure metal erosion tester according to claim 1 is characterized in that described pressue device is made of forcing pump, precision pressure gauge.
5, High Temperature High Pressure metal erosion tester according to claim 1 is characterized in that, described metal erosion proving installation is made of test still, high pressure sealing gland, lacing film support, thermometer hole and pressure tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00233403 CN2427805Y (en) | 2000-05-19 | 2000-05-19 | High temp., high pressure metal corrosion measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00233403 CN2427805Y (en) | 2000-05-19 | 2000-05-19 | High temp., high pressure metal corrosion measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2427805Y true CN2427805Y (en) | 2001-04-25 |
Family
ID=33595760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00233403 Expired - Fee Related CN2427805Y (en) | 2000-05-19 | 2000-05-19 | High temp., high pressure metal corrosion measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2427805Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561428B (en) * | 2009-05-22 | 2012-07-11 | 王利兵 | Device for intelligently testing metal corrosivity of hazardous chemicals |
| CN105928867A (en) * | 2016-06-17 | 2016-09-07 | 中国石油大学(北京) | High-temperature high-pressure corrosion inhibition performance evaluation device and method |
| CN108548838A (en) * | 2018-03-28 | 2018-09-18 | 高铁检测仪器（东莞）有限公司 | A kind of superhigh temperature plastics dimension card and heat distortion test machine |
| CN109738486A (en) * | 2019-01-22 | 2019-05-10 | 华北水利水电大学 | H2 heat management experimental rig and test method are put in a kind of suction of hydrogenation magnesium fuel cell |
-
2000
- 2000-05-19 CN CN 00233403 patent/CN2427805Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561428B (en) * | 2009-05-22 | 2012-07-11 | 王利兵 | Device for intelligently testing metal corrosivity of hazardous chemicals |
| CN105928867A (en) * | 2016-06-17 | 2016-09-07 | 中国石油大学(北京) | High-temperature high-pressure corrosion inhibition performance evaluation device and method |
| CN105928867B (en) * | 2016-06-17 | 2018-10-23 | 中国石油大学(北京) | A kind of high temperature and pressure corrosion inhibition evaluating apparatus and its evaluation method |
| CN108548838A (en) * | 2018-03-28 | 2018-09-18 | 高铁检测仪器（东莞）有限公司 | A kind of superhigh temperature plastics dimension card and heat distortion test machine |
| CN109738486A (en) * | 2019-01-22 | 2019-05-10 | 华北水利水电大学 | H2 heat management experimental rig and test method are put in a kind of suction of hydrogenation magnesium fuel cell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |