GB575749A - Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use therein - Google Patents
Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use thereinInfo
- Publication number
- GB575749A GB575749A GB628244A GB628244A GB575749A GB 575749 A GB575749 A GB 575749A GB 628244 A GB628244 A GB 628244A GB 628244 A GB628244 A GB 628244A GB 575749 A GB575749 A GB 575749A
- Authority
- GB
- United Kingdom
- Prior art keywords
- header
- tar
- tubes
- vapour
- flows
- 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
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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
- C10C1/04—Working-up tar by distillation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/103—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
575,749. Heat-exchangers. MIDLAND TAR DISTILLERS, Ltd., and DAVIES, E. B. April 4, 1944, No. 6282. [Class 64 (iii)] A viscous fluid, e.g., pitch, is cooled by heat exchange with a cooling fluid, e.g., tar, which is separated from the viscous liquid by two walls with a space between them, this space being maintained full of a vapour of a liquid with a boiling point between the temperatures of the two walls. In the apparatus shown, hot pitch flows from a header 16 with an inlet 17 through tubes 11, a number of which are arranged side by side, to a header 19 with an outlet 20. The tubes 11 are each composed of two U-shaped parts connected by a union 18. Each U-shaped' part is surrounded by a U-tube 12 opening into the intermediate header 23 and into either the header 22 or the header 24. Steam supplied to the header 22 flows through the outer U-tubes 12 and header 23 to the header 24 which is connected to a steam trap 26. Tar flows through the casing 10 surrounding the tubes, from the inlet 13 to the outlet 14. Baffles 15 are provided. Volatile fractions distilled from the tar escape through the outlet 27. Another form of apparatus comprises three concentric tubes of which the outermost is sealed at its ends to the middle tube, which is sealed at its ends to the innermost tube. The pitch to be cooled flows through the latter, and the cooling fluid through the outermost tube. Instead of the vapour space being closed against egress of vapour, vapour may be allowed to flow continuously through the space. Instead of steam, a fraction from the distillation of tar may be used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB628244A GB575749A (en) | 1944-04-04 | 1944-04-04 | Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use therein |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB628244A GB575749A (en) | 1944-04-04 | 1944-04-04 | Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use therein |
Publications (1)
Publication Number | Publication Date |
---|---|
GB575749A true GB575749A (en) | 1946-03-04 |
Family
ID=9811658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB628244A Expired GB575749A (en) | 1944-04-04 | 1944-04-04 | Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use therein |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB575749A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2583865A1 (en) * | 1985-06-19 | 1986-12-26 | Commissariat Energie Atomique | COAXIAL U TUBE HEAT EXCHANGER WITH NEUTRAL GAS INTERMEDIATE FLOW AND NUCLEAR FAST NEUTRON REACTOR COMPRISING EXCHANGERS OF THIS TYPE. |
WO2007144911A1 (en) * | 2006-06-14 | 2007-12-21 | Villa Scambiatori S.R.L. | Heat exchange |
-
1944
- 1944-04-04 GB GB628244A patent/GB575749A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2583865A1 (en) * | 1985-06-19 | 1986-12-26 | Commissariat Energie Atomique | COAXIAL U TUBE HEAT EXCHANGER WITH NEUTRAL GAS INTERMEDIATE FLOW AND NUCLEAR FAST NEUTRON REACTOR COMPRISING EXCHANGERS OF THIS TYPE. |
EP0206921A1 (en) * | 1985-06-19 | 1986-12-30 | Commissariat A L'energie Atomique | Heat exchanger with coaxial U-tubes and intermediate circulation of neutral gas, and fast neutron reactor comprising such a heat exchanger |
WO2007144911A1 (en) * | 2006-06-14 | 2007-12-21 | Villa Scambiatori S.R.L. | Heat exchange |
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