CN103675056A - Electrochemical on-line test electrode under high hydrostatic pressure - Google Patents

Electrochemical on-line test electrode under high hydrostatic pressure Download PDF

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Publication number
CN103675056A
CN103675056A CN201310577177.3A CN201310577177A CN103675056A CN 103675056 A CN103675056 A CN 103675056A CN 201310577177 A CN201310577177 A CN 201310577177A CN 103675056 A CN103675056 A CN 103675056A
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electrode
metal
fixed cover
tapered sleeve
sleeve
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CN201310577177.3A
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CN103675056B (en
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方志刚
刘斌
王虹斌
邵亚薇
马守军
回志澎
王涛
赵茹
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NO92537 UNIT OF PEOPLE'S LIBERATION ARMY
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NO92537 UNIT OF PEOPLE'S LIBERATION ARMY
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Abstract

The invention discloses an electrochemical on-line test electrode under high hydrostatic pressure and belongs to the field of measurers. The electrode comprises a test electrode, a fixed pressing cap, a metal sleeve, an electrode fixing sleeve, an insulating top cap, a wiring metal electrode, a first insulating O-shaped sealing ring, a conical sleeve, a metal connector and a second insulating O-shaped sealing ring. Peripheral equipment comprises a high-pressure kettle. The electrochemical on-line test electrode can monitor the corrosion behavior of a material under a simulated deepwater environment in real time and on line in a laboratory, so that the problems of long test period, single data, high cost and the like of an actual deepwater test are solved.

Description

Galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure
Technical field
The present invention relates to galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure, be specially a kind of electrode that carries out online various electro-chemical tests under simulated deep-sea environment, relate to the monitoring electrode of the corrosion behavior of material under deep-marine-environment, belong to surveying instrument field.
Background technology
In ocean, containing the natural resourcess such as very abundant oil, rock gas; exploit these resources and need a large amount of instrument and equipments such as lash ship, underwater operation robot and transport line; wherein a lot of equipment need to carry out operation by the deep-marine-environment below 200m, and this just inevitably runs into the etching problem of material under deep-marine-environment.Since the sixties in last century; the developed countries such as the U.S., Russia, Britain have carried out the investigation corrosion of material in deep-marine-environment in succession; India has also actively developed relevant research work, and their research means is all to carry out hanging test at actual deep-marine-environment substantially.Yet it is long to carry out actual deep-sea test required time, and data type is single, need huge business models.The test of simulating deep-sea corrosion in laboratory just becomes researchist's first-selection.Conventionally utilize autoclave simulated deep-sea environment.The key problem that realizes corrosion electrochemistry test in autoclave is exactly how to make test electrode, contrast electrode and auxiliary electrode and autoclave insulate to contact and test signal is not subject to again the interference of autoclave.Patent about this respect is not appeared in the newspapers.Therefore develop a kind of electrode that can carry out online electro-chemical test in simulated deep-sea environment significant.
Summary of the invention
The object of the present invention is to provide galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure; described electrode can be realized the corrosion behavior of on-line monitoring material under simulated deep-sea environment in laboratory, to solve long, the problem such as data are single, expense is high of actual deep-sea test test period.
Object of the present invention is realized by following technical scheme:
A galvanochemistry on-line testing electrode under high hydrostatic pressure, described electrode comprises test electrode, fixedly pressure cap, metal sleeve, electrode fixed cover, insulated top cap, wiring metal electrode, first insulation " O " RunddichtringO, tapered sleeve, metal connector and second insulation " O " RunddichtringO; Peripherals comprises autoclave;
The hollow circle tube structure that fixedly pressure cap is upper end open, lower end is provided with through hole; Electrode fixed cover sidewall is provided with radial direction through hole; Insulated top cap is provided with the mounting groove of tapered sleeve and metal connector; Tapered sleeve is taper type structure, and is provided with the through hole that runs through upper and lower bottom surface; Metal connector is cylindrical structural, and lower end is provided with " inversed taper platform " connected in star making progress matching with tapered sleeve;
Electrode fixed cover end portion matches with the fixing endoporus of pressure cap, and lower end is stretched into fixedly in pressure cap, and is connected with fixing pressure cap; Metal sleeve is placed in electrode fixed cover internal cavities, and lower end and fixedly pressure cap are conflicted; Insulated top cap lower end cover installs in electrode fixed cover, is connected with electrode fixed cover, conflicts in insulated top cap lower end and metal sleeve upper end; Between insulated top cap and electrode fixed cover, by first insulation " O " RunddichtringO, seal; Tapered sleeve is placed in the mounting groove bottom of insulated top cap; Metal connector is placed in tapered sleeve top, and is connected with tapered sleeve; Insulated top cap upper end and autoclave kettle cover inside surface are connected by screw, and by second insulation " O " RunddichtringO sealing; Wiring metal electrode is fixed on autoclave kettle cover, and and autoclave kettle cover between by insulating part, insulate, conflict in wiring metal electrode lower surface and metal connector upper surface; Wiring metal electrode upper end is connected with wire;
Test electrode and metal sleeve lower end are by being connected through the fixing copper cash of pressure cap; Between metal sleeve upper end and tapered sleeve, by the copper cash through insulated top cap, be connected;
Wherein, test electrode, fixedly pressure cap, metal sleeve, electrode fixed cover, insulated top cap, first insulation " O " RunddichtringO, tapered sleeve, metal connector and second insulation " O " RunddichtringO are positioned at autoclave;
Described test electrode is working electrode, contrast electrode or the auxiliary electrode of electro-chemical test;
Described electrode fixed cover and being fixedly threaded connection between pressure cap;
Between described metal connector and tapered sleeve, be threaded connection;
Described electrode fixed cover is polytetrafluoro electrode fixed cover;
Described tapered sleeve is red copper tapered sleeve.
Principle of work
Test electrode is by being connected conducting through the fixing copper cash of pressure cap with metal sleeve lower end, metal sleeve upper end is connected conducting with tapered sleeve by the copper cash through insulated top cap, tapered sleeve and metal connector closely cooperate, realize thus the conducting of test electrode and metal connector, again by realizing the conducting of the wiring metal electrode outside test electrode and autoclave kettle cover with the wiring metal electrode of metal connector conducting, wiring metal electrode external wire is connected on testing tool, thereby realize, the electrochemical in-situ of test electrode is measured.During test, the liquid that seawater etc. can simulated deep-sea environment is housed in autoclave, it is inner that the through hole of liquid by electrode fixed cover sidewall enters electrode fixed cover, and electrode fixed cover external and internal pressure is equated.
Beneficial effect
1, the present invention can be for connecting working electrode, contrast electrode and auxiliary electrode online electro-chemical test in simulated deep-sea environment, solved long, the problem such as data are single, expense is high of actual deep-sea test test period.
2, the present invention utilizes red copper tapered sleeve and is connected with the wiring metal electrode of autoclave kettle cover insulation, can guarantee being connected of test electrode and wiring metal electrode, and the while insulate with kettle cover again, realizes online electro-chemical test;
3, in the present invention, usining polytetrafluoro electrode fixed cover can be fixed under autoclave kettle cover test electrode as protective casing; mainly play a supportive role; by two insulation " O " RunddichtringO, realize sealing, thereby stop the medium osmosis in autoclave, contact with red copper tapered sleeve.
Accompanying drawing explanation
Fig. 1 is galvanochemistry on-line testing electrode schematic diagram under high hydrostatic pressure of the present invention.
The pressure cap of 1-test electrode, 2-fixedly, 3-metal sleeve, 4-electrode fixed cover, 5-insulated top cap, 6-wiring metal electrode, 7-the first insulation " O " RunddichtringO, 8-tapered sleeve, 9-metal connector, 10-the second insulation " O " RunddichtringO.
Embodiment
Below in conjunction with the drawings and specific embodiments in detail the present invention is described in detail, but is not limited to this.
Embodiment 1
As shown in Figure 1, a galvanochemistry on-line testing electrode under high hydrostatic pressure, described electrode comprises test electrode 1, fixedly pressure cap 2, metal sleeve 3, electrode fixed cover 4, insulated top cap 5, wiring metal electrode 6, first insulation " O " RunddichtringO 7, tapered sleeve 8, metal connector 9 and second insulation " O " RunddichtringO 10; Peripherals comprises autoclave;
The hollow circle tube structure that fixedly pressure cap 2 is upper end open, lower end is provided with through hole; Electrode fixed cover 4 sidewalls are provided with radial direction through hole; Insulated top cap 5 is provided with the mounting groove of tapered sleeve 8 and metal connector 9; Tapered sleeve 8 is taper type structure, and is provided with the through hole that runs through upper and lower bottom surface; Metal connector 9 is cylindrical structural, and lower end is provided with " inversed taper platform " connected in star making progress matching with tapered sleeve 8;
Electrode fixed cover 4 end portions match with the fixing endoporus of pressure cap 2, and lower end is stretched into fixedly in pressure cap 2, and are connected with fixing pressure cap 2; Metal sleeve 3 is placed in electrode fixed cover 4 internal cavities, and lower end and fixedly pressure cap 2 are conflicted; Insulated top cap 5 lower end covers install in electrode fixed cover 4, are connected with electrode fixed cover 4, conflict in insulated top cap 5 lower ends and metal sleeve 3 upper ends; Between insulated top cap 5 and electrode fixed cover 4, by first insulation " O " RunddichtringO 7, seal; Tapered sleeve 8 is placed in the mounting groove bottom of insulated top cap 5; Metal connector 9 is placed in tapered sleeve 8 tops, and is connected with tapered sleeve 8; Insulated top cap 5 upper ends and autoclave kettle cover inside surface are connected by screw, and by second insulation " O " RunddichtringO 10 sealings; Wiring metal electrode 6 is fixed on autoclave kettle cover, and and autoclave kettle cover between by insulating part, insulate, conflict in wiring metal electrode 6 lower surfaces and metal connector 9 upper surfaces; Wiring metal electrode 6 upper ends are connected with wire;
Test electrode 1 and metal sleeve 3 lower ends are by being connected through the fixing copper cash of pressure cap 2; Between metal sleeve 3 upper ends and tapered sleeve 8, by the copper cash through insulated top cap 5, be connected;
Wherein, test electrode 1, fixedly pressure cap 2, metal sleeve 3, electrode fixed cover 4, insulated top cap 5, first insulation " O " RunddichtringO 7, tapered sleeve 8, metal connector 9 and second insulation " O " RunddichtringO 10 are positioned at autoclave;
Working electrode, contrast electrode or auxiliary electrode that described test electrode 1 is electro-chemical test;
Described electrode fixed cover 4 and being fixedly threaded connection between pressure cap 2;
Between described metal connector 9 and tapered sleeve 8, be threaded connection;
Described electrode fixed cover 4 is polytetrafluoro electrode fixed cover;
Described tapered sleeve 8 is red copper tapered sleeve.
Principle of work
Test electrode 1 is by being connected conducting through the fixing copper cash of pressure cap 2 with metal sleeve 3 lower ends, metal sleeve 3 upper ends are connected conducting with tapered sleeve 8 by the copper cash through insulated top cap 5, tapered sleeve 8 closely cooperates with metal connector 9, realize thus the conducting of test electrode 1 and metal connector 9, again by realizing the conducting of the wiring metal electrode 6 outside test electrode 1 and autoclave kettle cover with the wiring metal electrode 6 of metal connector 9 conductings, wiring metal electrode 6 external wires are connected on testing tool, thereby realize, the electrochemical in-situ of test electrode 1 are measured.During test, the liquid that seawater etc. can simulated deep-sea environment is housed in autoclave, liquid enters electrode fixed cover 4 inside by the through hole of electrode fixed cover 4 sidewalls, and electrode fixed cover 4 external and internal pressures are equated.
The present invention includes but be not limited to above embodiment, every any being equal to of carrying out under the principle of spirit of the present invention, replaces or local improvement, all will be considered as within protection scope of the present invention.

Claims (6)

1. galvanochemistry on-line testing electrode under a high hydrostatic pressure, it is characterized in that, described electrode comprises test electrode (1), fixing pressure cap (2), metal sleeve (3), electrode fixed cover (4), insulated top cap (5), wiring metal electrode (6), first insulation " O " RunddichtringO (7), tapered sleeve (8), metal connector (9) and second " O " RunddichtringO (10) that insulate; Peripherals comprises autoclave;
The hollow circle tube structure that fixedly pressure cap (2) is upper end open, lower end is provided with through hole; Electrode fixed cover (4) sidewall is provided with radial direction through hole; Insulated top cap (5) is provided with the mounting groove of tapered sleeve (8) and metal connector (9); Tapered sleeve (8) is taper type structure, and is provided with the through hole that runs through upper and lower bottom surface; Metal connector (9) is cylindrical structural, and lower end is provided with " inversed taper platform " connected in star making progress matching with tapered sleeve (8);
Electrode fixed cover (4) end portion matches with the fixing endoporus of pressure cap (2), and lower end is stretched into fixedly in pressure cap (2), and is connected with fixing pressure cap (2); Metal sleeve (3) is placed in electrode fixed cover (4) internal cavities, and lower end and fixedly pressure cap (2) are conflicted; Insulated top cap (5) lower end cover installs in electrode fixed cover (4), is connected with electrode fixed cover (4), conflicts in insulated top cap (5) lower end and metal sleeve (3) upper end; Between insulated top cap (5) and electrode fixed cover (4), by first insulation " O " RunddichtringO (7), seal; Tapered sleeve (8) is placed in the mounting groove bottom of insulated top cap (5); Metal connector (9) is placed in tapered sleeve (8) top, and is connected with tapered sleeve (8); Insulated top cap (5) upper end and autoclave kettle cover inside surface are connected by screw, and by second insulation " O " RunddichtringO (10) sealing; Wiring metal electrode (6) is fixed on autoclave kettle cover, and and autoclave kettle cover between by insulating part, insulate, conflict in wiring metal electrode (6) lower surface and metal connector (9) upper surface; Wiring metal electrode (6) upper end is connected with wire;
Test electrode (1) and metal sleeve (3) lower end are by being connected through the fixing copper cash of pressure cap (2); Between metal sleeve (3) upper end and tapered sleeve (8), by the copper cash through insulated top cap (5), be connected.
2. galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure according to claim 1, is characterized in that, working electrode, contrast electrode or auxiliary electrode that described test electrode (1) is electro-chemical test.
3. galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure according to claim 1, is characterized in that, described electrode fixed cover (4) and being fixedly threaded connection between pressure cap (2).
4. galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure according to claim 1, is characterized in that, between described metal connector (9) and tapered sleeve (8), is threaded connection.
5. galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure according to claim 1, is characterized in that, described electrode fixed cover (4) is polytetrafluoro electrode fixed cover.
6. galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure according to claim 1, is characterized in that, described tapered sleeve (8) is red copper tapered sleeve.
CN201310577177.3A 2013-11-18 2013-11-18 Galvanochemistry on-line testing electrode under a kind of high hydrostatic pressure Active CN103675056B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792839B (en) * 2015-03-27 2017-04-19 中国科学院金属研究所 Ceramic film electrode capable of realizing electrochemical testing of high-temperature and high-pressure water
CN106644917A (en) * 2016-08-22 2017-05-10 中国船舶重工集团公司第七二五研究所 Electrolytic bath apparatus used for simulating deep-sea environment for electrochemical testing
CN110376257A (en) * 2019-07-24 2019-10-25 中国人民解放军海军航空大学青岛校区 A kind of novel and multifunctional electrolytic cell
CN110530942A (en) * 2019-07-31 2019-12-03 西安交通大学 A kind of clamping of electrochemistry experiment bench microprobe and fixed device

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4218299A (en) * 1979-07-06 1980-08-19 Beckman Instruments, Inc. Short path liquid junction structure for electrochemical electrodes
US4507521A (en) * 1982-09-29 1985-03-26 The Clark-Reliance Corp. High pressure electrical conductivity probe
CN101470093A (en) * 2008-04-16 2009-07-01 中国科学院金属研究所 Working electrode for implementing electro-chemical test of high-temperature high-pressure water solution system
CN102445478A (en) * 2011-09-22 2012-05-09 中国科学院金属研究所 Working electrode for realizing electrochemical test of high-temperature high-pressure water system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218299A (en) * 1979-07-06 1980-08-19 Beckman Instruments, Inc. Short path liquid junction structure for electrochemical electrodes
US4507521A (en) * 1982-09-29 1985-03-26 The Clark-Reliance Corp. High pressure electrical conductivity probe
CN101470093A (en) * 2008-04-16 2009-07-01 中国科学院金属研究所 Working electrode for implementing electro-chemical test of high-temperature high-pressure water solution system
CN102445478A (en) * 2011-09-22 2012-05-09 中国科学院金属研究所 Working electrode for realizing electrochemical test of high-temperature high-pressure water system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104792839B (en) * 2015-03-27 2017-04-19 中国科学院金属研究所 Ceramic film electrode capable of realizing electrochemical testing of high-temperature and high-pressure water
CN106644917A (en) * 2016-08-22 2017-05-10 中国船舶重工集团公司第七二五研究所 Electrolytic bath apparatus used for simulating deep-sea environment for electrochemical testing
CN110376257A (en) * 2019-07-24 2019-10-25 中国人民解放军海军航空大学青岛校区 A kind of novel and multifunctional electrolytic cell
CN110530942A (en) * 2019-07-31 2019-12-03 西安交通大学 A kind of clamping of electrochemistry experiment bench microprobe and fixed device

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