CN104833627A - Seawater corrosion testing device - Google Patents
Seawater corrosion testing device Download PDFInfo
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- CN104833627A CN104833627A CN201510204189.0A CN201510204189A CN104833627A CN 104833627 A CN104833627 A CN 104833627A CN 201510204189 A CN201510204189 A CN 201510204189A CN 104833627 A CN104833627 A CN 104833627A
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Abstract
The invention discloses a seawater corrosion testing device, and relates to the field of seawater corrosion tests. The device comprises a testing box, a seawater box, and a control cabinet; the discharge pipeline and seawater inlet pipeline of the testing box are respectively connected to the seawater recovery inlet and seawater outlet of the seawater box; the testing box is also provided with a fresh water inlet pipeline and a seawater circulation loop; a heater II, a temperature/humidity sensor, and an ultrasonic sensor for detecting the liquid level of the testing box are arranged in the upper part of the texting box; a heater I, a temperature sensor, and a salinity sensor are arranged in the lower part of the testing box; and a PLC control system in the control cabinet can control a water discharge electromagnetic valve, a seawater recovery pump, a freshwater input electromagnetic valve, and a seawater circulation pump, which are arranged on the pipelines mentioned above, the heater I, and the heater II according to the liquid level, salinity, and humidity in the testing box and temperature information of different positions. The provided seawater corrosion testing device can carry out seawater corrosion tests under different salinities, temperatures, and humidity, and is capable of meeting the requirements of seawater immersion corrosion tests and high-temperature and high-humidity corrosion tests.
Description
Technical field
The present invention relates to sea water corrosion test technical field, be specifically related to a kind of sea water corrosion test case that can carry out immersion corrosion in seawater test and hot and humid corrosion test.
Background technology
Seawater is a kind of electrolyte solution containing multiple salt, and the high salinity feature of seawater, makes seawater have severe corrosive to metal.For meeting the anticorrosion demand of various new material under marine environment, and shortening the R&D cycle of metal protection coating, needing that dissimilar sea water corrosion test is carried out to hardware and can adapt to research and development the protective coating that different rotten seawater loses situation.And meet the immersion corrosion in seawater test under different salinity and temperature, and the sea water corrosion test device that the hot and humid corrosion test under high humidity hot environment requires is more rare.
Summary of the invention
The object of this invention is to provide a kind of sea water corrosion test device, the sea water corrosion test under different salinity, different temperatures, different humiture can be integrated in one by it, adapts to the requirement of immersion corrosion in seawater test and hot and humid corrosion test.
For achieving the above object, technical scheme of the present invention is: a kind of sea water corrosion test device, comprises chamber, sea water tank and switch board, the discharge pipe of chamber and the seawater of sea water tank reclaim entrance and are connected, and the seawer outlet of sea water tank is connected with the seawater intake line of chamber, chamber are also provided with freshwater input pipeline and seawater circulation loop, described discharge pipe, seawater intake line, freshwater input pipeline and seawater circulation loop are respectively equipped with drain solenoid valve, seawater recovery pump, freshwater input solenoid valve and sea water circulating pump, the top in chamber is provided with well heater II, Temperature Humidity Sensor and the ultrasonic sensor for liquid level in detection experiment case, the bottom in chamber is provided with well heater I, temperature sensor and salinity sensor, the PLC control system in described switch board is according to the liquid level in chamber, salinity, the temperature information of humidity and diverse location is to described drain solenoid valve, seawater recovery pump, freshwater input solenoid valve, sea water circulating pump, well heater I and well heater II control.
Be hung with sample erecting frame in described chamber, sample erecting frame be provided with three sample installing plates from top to bottom, three sample installing plates are respectively used to high humidity high temperature corrosion test, soak and hot and humid Comparison on Corrosion is tested and immersion corrosion in seawater is tested.
Beneficial effect: the present invention by the temperature information in the liquid level in the PLC control system detection experiment case of switch board, salinity, humidity and different tests district, and then on Control experiment case in each pipe system and chamber the work of the well heater in different tests district to regulate the experimental enviroment in chamber.The size in chamber maritime interior waters immersion corrosion test site and hot and humid corrosion test district is regulated by the height of liquid level in Control experiment case, the metal specimen of carrying out different sea water corrosion test is installed by sample erecting frame, thus achieves the simulation to immersion corrosion in seawater test and hot and humid corrosion test.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing of sea water corrosion test device of the present invention;
Fig. 2 is the structural representation of sample hanger of the present invention.
Be labeled as in figure: 1, chamber, 2, switch board, 3, case lid, 4, sample erecting frame, 5, hanger installing plate, 6, freshwater input solenoid valve, 7, drain solenoid valve, 8, sea water circulating pump, 9, seawater recovery pump, 10, sea water tank, 11, well heater I, 12, well heater II, 13, ultrasonic sensor, 14, sample hanger, 15, temperature sensor, 16, salinity sensor, 17, Temperature Humidity Sensor, 18, mounting frame for sensor, 19, touch-screen, 20, seawater input interface, 21, freshwater input interface, 22, drainage interface, 23, seawater circulation output interface, 24, seawater circulation input interface.
Embodiment
As shown in the figure, a kind of sea water corrosion test device, comprises chamber 1, sea water tank 10 and switch board 2, the discharge pipe of chamber 1 reclaims entrance with the seawater of sea water tank 10 and is connected, the seawer outlet of sea water tank 10 is connected with the seawater intake line of chamber 1, chamber 1 is also provided with freshwater input pipeline and seawater circulation loop, described discharge pipe, seawater intake line, freshwater input pipeline and seawater circulation loop are respectively equipped with drain solenoid valve 7, seawater recovery pump 9, freshwater input solenoid valve 6 and sea water circulating pump 8, the top in chamber 1 is provided with well heater II 12, Temperature Humidity Sensor 17 and the ultrasonic sensor 13 for liquid level in detection experiment case 1, the bottom in chamber 1 is provided with well heater I 11, temperature sensor 15 and salinity sensor 16, the PLC control system in described switch board 2 is according to the liquid level in chamber 1, salinity, the temperature information of humidity and diverse location is to described drain solenoid valve 7, seawater recovery pump 9, freshwater input solenoid valve 6, sea water circulating pump 8, well heater I 11 and well heater II 12 control.
Described switch board 2 is provided with touch-screen 19, touch-screen 19 is provided with sea water corrosion test optimum configurations interface and sea water corrosion test monitoring interface, the communication interface of touch-screen 19 is connected with the communication interface of the PLC control system in switch board 2, PLC control system by test parameterss such as temperature, salinity, humidity and the liquid levels in each Sensor monitoring chamber in chamber, and makes the experimental enviroment in chamber meet Test Condition Requirements according to the valve in each test parameters control piping system, pump.
Described chamber 1 adopts titanium mesh to weld and makes, and the top of chamber 1 is provided with case lid 3, and case lid 3 is made up of titanium mesh, case lid 3 is provided with to remove and unloads handle, the top of described chamber 1 is provided with seawater input interface 20, freshwater input interface 21, drainage interface 22 is provided with bottom described chamber 1, the immersion corrosion in seawater test site, bottom of described chamber 1 is provided with seawater circulation output interface 23 and seawater circulation input interface 24, wherein seawater input interface 20, freshwater input interface 21, drainage interface 22 respectively with the output interface of seawater recovery pump 9, the output interface of freshwater input solenoid valve 6, the input interface of drain solenoid valve 7 connects, seawater circulation output interface 23 and seawater circulation input interface 24 are connected with the input interface of sea water circulating pump 8 and output interface respectively, the output interface of drain solenoid valve 7 reclaims entrance with the seawater of sea water tank 10 and is connected, the seawer outlet of sea water tank 10 is connected with the input interface of seawater recovery pump 9, the output interface of seawater recovery pump 9 is connected with the seawater input interface 20 of chamber 1.
In chamber 1, in the setting liquid level of seawater testing liquid, carry out immersion corrosion in seawater test, more than setting liquid level, carry out hot and humid corrosion test, by the size regulating the setting liquid level of chamber 1 maritime interior waters testing liquid to regulate two test sites.Described Temperature Humidity Sensor 17, temperature sensor 15, salinity sensor 16 and ultrasonic sensor 13 are installed on the mounting frame for sensor 18 of setting on case lid 3.Temperature Humidity Sensor 17 and ultrasonic sensor 13 are positioned at hot and humid corrosion test district, i.e. the top of chamber, and temperature sensor 15 and salinity sensor 16 are positioned at immersion corrosion in seawater test site, i.e. the bottom of chamber.Well heater I 11 is arranged on the bottom in chamber 1, is positioned at immersion corrosion in seawater test site, and well heater II 12 is arranged on the tank wall of chamber 1 internal upper part, is positioned at hot and humid corrosion test district, and two well heaters adopt titanium well heater.
Be hung with sample erecting frame 4 in described chamber 1, sample erecting frame 4 is arranged on the hanger installing plate 5 of setting on case lid 3, and sample erecting frame 4 is arranged on hanger installing plate 5 by plastic fastener.Hanger installing plate 5 and sample erecting frame 4 are combined into sample hanger 14, can arrange multiple sample hanger 14 in chamber 1.Sample erecting frame 4 is provided with three sample installing plates from top to bottom, three sample installing plates are respectively used to high humidity high temperature corrosion test, soak and hot and humid Comparison on Corrosion is tested and immersion corrosion in seawater is tested.Test specimen for carrying out different sea water corrosion test is arranged on different sample installing plates, regulates the position of three sample installing plates according to the liquid level of the seawater testing liquid in chamber 1.
Claims (2)
1. a sea water corrosion test device, is characterized in that: comprise chamber (1), sea water tank (10) and switch board (2), the discharge pipe of chamber (1) reclaims entrance with the seawater of sea water tank (10) and is connected, the seawer outlet of sea water tank (10) is connected with the seawater intake line of chamber (1), chamber (1) is also provided with freshwater input pipeline and seawater circulation loop, described discharge pipe, seawater intake line, freshwater input pipeline and seawater circulation loop are respectively equipped with drain solenoid valve (7), seawater recovery pump (9), freshwater input solenoid valve (6) and sea water circulating pump (8), the top in chamber (1) is provided with well heater II (12), Temperature Humidity Sensor (17) and the ultrasonic sensor (13) for detection experiment case (1) interior liquid level, the bottom in chamber (1) is provided with well heater I (11), temperature sensor (15) and salinity sensor (16), the PLC control system in described switch board (2) is according to the liquid level in chamber (1), salinity, the temperature information of humidity and diverse location is to described drain solenoid valve (7), seawater recovery pump (9), freshwater input solenoid valve (6), sea water circulating pump (8), well heater I (11) and well heater II (12) control.
2. a kind of sea water corrosion test device as claimed in claim 1, it is characterized in that: in described chamber (1), be hung with sample erecting frame (4), sample erecting frame (4) is provided with three sample installing plates from top to bottom, three sample installing plates are respectively used to high humidity high temperature corrosion test, soak and hot and humid Comparison on Corrosion is tested and immersion corrosion in seawater is tested.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105259101A (en) * | 2015-10-30 | 2016-01-20 | 中国船舶重工集团公司第七二五研究所 | Testing apparatus for simulating marine engineering material under marine mud corrosion environment |
CN106483064A (en) * | 2016-12-22 | 2017-03-08 | 马鞍山钢铁股份有限公司 | A kind of accelerated corrosion experimental rig and accelerated corrosion test method |
CN106501164A (en) * | 2016-11-08 | 2017-03-15 | 洛阳理工学院 | A kind of seawater corrosion prevention coating corrosion resistance test device and its control method |
CN107870146A (en) * | 2017-12-05 | 2018-04-03 | 广西玉柴机器股份有限公司 | Exemplar inner chamber water flowing corrosion testing apparatus |
CN108181232A (en) * | 2018-02-12 | 2018-06-19 | 南京航空航天大学 | Loop control acid and alkali-resistance saline solution corrosive environment case |
CN108845600A (en) * | 2018-04-18 | 2018-11-20 | 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) | A kind of precision seawater corrosion fatigue experimental bench automatic control system and method |
CN112798515A (en) * | 2020-12-31 | 2021-05-14 | 淮安市中亚试验设备有限公司 | Equipment for simulating corrosion resistance of hydraulic cylinder in marine climate and seawater environment |
US11333598B1 (en) | 2021-07-27 | 2022-05-17 | United Arab Emirates University | Material degradation monitoring system |
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CN103257104A (en) * | 2012-02-17 | 2013-08-21 | 中国科学院金属研究所 | Protection material hot-cold pulse fatigue resistance test apparatus |
CN204679398U (en) * | 2015-04-27 | 2015-09-30 | 洛阳理工学院 | A kind of sea water corrosion test device |
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CN101482482A (en) * | 2009-02-04 | 2009-07-15 | 北京科技大学 | Marine corrosion simulated acceleration test apparatus |
CN101769853A (en) * | 2010-01-08 | 2010-07-07 | 康科联(北京)新技术有限公司 | Experiment device for testing corrosion performance of material in simulated deep-sea environment |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105259101A (en) * | 2015-10-30 | 2016-01-20 | 中国船舶重工集团公司第七二五研究所 | Testing apparatus for simulating marine engineering material under marine mud corrosion environment |
CN105259101B (en) * | 2015-10-30 | 2018-03-23 | 中国船舶重工集团公司第七二五研究所 | A kind of experimental rig for being used to simulate ocean engineering material under ooze corrosion environment |
CN106501164A (en) * | 2016-11-08 | 2017-03-15 | 洛阳理工学院 | A kind of seawater corrosion prevention coating corrosion resistance test device and its control method |
CN106501164B (en) * | 2016-11-08 | 2019-04-12 | 洛阳理工学院 | A kind of seawater corrosion prevention coating corrosion resistance test device and its control method |
CN106483064A (en) * | 2016-12-22 | 2017-03-08 | 马鞍山钢铁股份有限公司 | A kind of accelerated corrosion experimental rig and accelerated corrosion test method |
CN107870146A (en) * | 2017-12-05 | 2018-04-03 | 广西玉柴机器股份有限公司 | Exemplar inner chamber water flowing corrosion testing apparatus |
CN108181232A (en) * | 2018-02-12 | 2018-06-19 | 南京航空航天大学 | Loop control acid and alkali-resistance saline solution corrosive environment case |
CN108181232B (en) * | 2018-02-12 | 2023-11-14 | 南京航空航天大学 | Environment box capable of circularly controlling corrosion resistance of acid-base salt water solution |
CN108845600A (en) * | 2018-04-18 | 2018-11-20 | 中国船舶科学研究中心(中国船舶重工集团公司第七0二研究所) | A kind of precision seawater corrosion fatigue experimental bench automatic control system and method |
CN112798515A (en) * | 2020-12-31 | 2021-05-14 | 淮安市中亚试验设备有限公司 | Equipment for simulating corrosion resistance of hydraulic cylinder in marine climate and seawater environment |
US11333598B1 (en) | 2021-07-27 | 2022-05-17 | United Arab Emirates University | Material degradation monitoring system |
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