FR2247869A1 - Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes - Google Patents

Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes

Info

Publication number
FR2247869A1
FR2247869A1 FR7440080A FR7440080A FR2247869A1 FR 2247869 A1 FR2247869 A1 FR 2247869A1 FR 7440080 A FR7440080 A FR 7440080A FR 7440080 A FR7440080 A FR 7440080A FR 2247869 A1 FR2247869 A1 FR 2247869A1
Authority
FR
France
Prior art keywords
electrodes
salt
parallel
heating
fused salt
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.)
Granted
Application number
FR7440080A
Other languages
French (fr)
Other versions
FR2247869B1 (en
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.)
HYPERFREQUENCES STE MODERNE
Original Assignee
HYPERFREQUENCES STE MODERNE
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
Application filed by HYPERFREQUENCES STE MODERNE filed Critical HYPERFREQUENCES STE MODERNE
Priority to FR7440080A priority Critical patent/FR2247869A1/en
Publication of FR2247869A1 publication Critical patent/FR2247869A1/en
Application granted granted Critical
Publication of FR2247869B1 publication Critical patent/FR2247869B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/60—Heating arrangements wherein the heating current flows through granular powdered or fluid material, e.g. for salt-bath furnace, electrolytic heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Resistance Heating (AREA)

Abstract

Normally the fused state is maintained due to the heat generated from the low but sufficient resistance of the fused salt which allows current flow between the tank electrodes. Without some alternate form of heating the main electrodes must be kept supplied at a level sufficient to maintain conduction since in its cooled solid state the salt is a poor conductor. The design employs heating resistances connected in parallel with the main electrodes and positioned between the electrodes. The solid salt is initially heated between the electrodes by the resistances to reduce the resistance of the salt in this region and allow current to flow between the electrodes.
FR7440080A 1974-12-06 1974-12-06 Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes Granted FR2247869A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7440080A FR2247869A1 (en) 1974-12-06 1974-12-06 Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440080A FR2247869A1 (en) 1974-12-06 1974-12-06 Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes

Publications (2)

Publication Number Publication Date
FR2247869A1 true FR2247869A1 (en) 1975-05-09
FR2247869B1 FR2247869B1 (en) 1977-03-25

Family

ID=9145682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440080A Granted FR2247869A1 (en) 1974-12-06 1974-12-06 Fused salt tank auxiliary heating system - has heating resistances connected in parallel to and between electrodes

Country Status (1)

Country Link
FR (1) FR2247869A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100462175C (en) * 2007-04-26 2009-02-18 上海交通大学 Liquid-electricity welding method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100462175C (en) * 2007-04-26 2009-02-18 上海交通大学 Liquid-electricity welding method

Also Published As

Publication number Publication date
FR2247869B1 (en) 1977-03-25

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse