FR2106597A1 - Heat pipe - for externally heated furnace has max possible internal cross section - Google Patents

Heat pipe - for externally heated furnace has max possible internal cross section

Info

Publication number
FR2106597A1
FR2106597A1 FR7132892A FR7132892A FR2106597A1 FR 2106597 A1 FR2106597 A1 FR 2106597A1 FR 7132892 A FR7132892 A FR 7132892A FR 7132892 A FR7132892 A FR 7132892A FR 2106597 A1 FR2106597 A1 FR 2106597A1
Authority
FR
France
Prior art keywords
heat pipe
section
externally heated
heated furnace
internal cross
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
FR7132892A
Other languages
French (fr)
Other versions
FR2106597B1 (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.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
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 Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Publication of FR2106597A1 publication Critical patent/FR2106597A1/en
Application granted granted Critical
Publication of FR2106597B1 publication Critical patent/FR2106597B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

Externally heated furnace, has heated pipe with the largest possible cross-sectional internal area, pref. with internal projections. Pref. apparatus, a heat pipe with internal helical ribs, at 60 degrees or less to the axis, is used. A typical application is for cracking naphtha.
FR7132892A 1970-09-18 1971-09-13 Heat pipe - for externally heated furnace has max possible internal cross section Granted FR2106597A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8124470 1970-09-18
JP11571970 1970-12-23

Publications (2)

Publication Number Publication Date
FR2106597A1 true FR2106597A1 (en) 1972-05-05
FR2106597B1 FR2106597B1 (en) 1974-05-31

Family

ID=26422276

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7132892A Granted FR2106597A1 (en) 1970-09-18 1971-09-13 Heat pipe - for externally heated furnace has max possible internal cross section

Country Status (2)

Country Link
DE (1) DE2145232A1 (en)
FR (1) FR2106597A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044797A (en) * 1974-11-25 1977-08-30 Hitachi, Ltd. Heat transfer pipe
CH668313A5 (en) * 1985-07-31 1988-12-15 Hans Gruber Dr Ing VESSEL FOR LIQUIDS TO ENHANCE THE EFFECTS OF TEMPERATURE DIFFERENCES.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601833A (en) * 1944-06-19 1948-05-13 Calumet And Hecla Cons Copper Method of preforming finned tubing and the product thereof
FR67901E (en) * 1952-06-04 1958-03-26 Y Le Cottier Et Cie Pants with elastic waistband keeping the garment on the body without any additional fastening element
FR1386501A (en) * 1963-12-13 1965-01-22 Tube for heating and cooling, especially for transformers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601833A (en) * 1944-06-19 1948-05-13 Calumet And Hecla Cons Copper Method of preforming finned tubing and the product thereof
FR67901E (en) * 1952-06-04 1958-03-26 Y Le Cottier Et Cie Pants with elastic waistband keeping the garment on the body without any additional fastening element
FR1386501A (en) * 1963-12-13 1965-01-22 Tube for heating and cooling, especially for transformers

Also Published As

Publication number Publication date
DE2145232A1 (en) 1972-03-23
FR2106597B1 (en) 1974-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse