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 sectionInfo
- 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
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.
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)
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)
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 |
-
1971
- 1971-09-09 DE DE19712145232 patent/DE2145232A1/en active Pending
- 1971-09-13 FR FR7132892A patent/FR2106597A1/en active Granted
Patent Citations (3)
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 |