DE68901269D1 - EQUIPMENT FOR CATHODICAL PROTECTION IN CIRCUIT SYSTEMS OF CORROSIVE LIQUIDS. - Google Patents

EQUIPMENT FOR CATHODICAL PROTECTION IN CIRCUIT SYSTEMS OF CORROSIVE LIQUIDS.

Info

Publication number
DE68901269D1
DE68901269D1 DE8989100352T DE68901269T DE68901269D1 DE 68901269 D1 DE68901269 D1 DE 68901269D1 DE 8989100352 T DE8989100352 T DE 8989100352T DE 68901269 T DE68901269 T DE 68901269T DE 68901269 D1 DE68901269 D1 DE 68901269D1
Authority
DE
Germany
Prior art keywords
cathodical
protection
equipment
circuit systems
corrosive liquids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8989100352T
Other languages
German (de)
Inventor
Noboru Kikuna
Yuuj Nishino
Katsunari Ohi
Katsuaki Tanaka
Shuichi Inagaki
Sunao Wada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63006717A external-priority patent/JPH07110999B2/en
Priority claimed from JP63090221A external-priority patent/JPH076073B2/en
Priority claimed from JP63210501A external-priority patent/JPH0261079A/en
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE68901269D1 publication Critical patent/DE68901269D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/004—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using protective electric currents, voltages, cathodes, anodes, electric short-circuits
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Prevention Of Electric Corrosion (AREA)
DE8989100352T 1988-01-14 1989-01-10 EQUIPMENT FOR CATHODICAL PROTECTION IN CIRCUIT SYSTEMS OF CORROSIVE LIQUIDS. Expired - Lifetime DE68901269D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63006717A JPH07110999B2 (en) 1988-01-14 1988-01-14 Circulating water system anticorrosion equipment using seawater
JP63090221A JPH076073B2 (en) 1988-04-14 1988-04-14 Method and apparatus for cathodic protection of all titanium heat exchanger
JP63210501A JPH0261079A (en) 1988-08-26 1988-08-26 Electrolytic protection device for full-titanium heat exchanger

Publications (1)

Publication Number Publication Date
DE68901269D1 true DE68901269D1 (en) 1992-05-27

Family

ID=27277307

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989100352T Expired - Lifetime DE68901269D1 (en) 1988-01-14 1989-01-10 EQUIPMENT FOR CATHODICAL PROTECTION IN CIRCUIT SYSTEMS OF CORROSIVE LIQUIDS.

Country Status (3)

Country Link
EP (1) EP0324440B1 (en)
KR (1) KR920004508B1 (en)
DE (1) DE68901269D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE511110C2 (en) 1997-12-15 1999-08-09 Avonni Ab Corrosion protection for water treatment device in a closed pipe system
KR100485953B1 (en) * 2002-12-13 2005-05-06 한국전력기술 주식회사 Method for cathodic protection for metal structure
US7198707B2 (en) 2002-12-13 2007-04-03 Korea Power Engineering Co. Inc. Apparatus for cathodic protection in an environment in which thin film corrosive fluids are formed and method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT280728B (en) * 1968-09-16 1970-04-27 Herbert Rose Method and device for cathodic corrosion protection of surfaces wetted by an electrolyte
US4457821A (en) * 1983-01-17 1984-07-03 Pennwalt Corporation Cathodic protection apparatus for well coated metal vessels having a gross bare area

Also Published As

Publication number Publication date
KR890012148A (en) 1989-08-24
KR920004508B1 (en) 1992-06-08
EP0324440B1 (en) 1992-04-22
EP0324440A1 (en) 1989-07-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)