GB574810A - Heat exchanger for heating gases and vapours to a high temperature - Google Patents

Heat exchanger for heating gases and vapours to a high temperature

Info

Publication number
GB574810A
GB574810A GB9003/43A GB900343A GB574810A GB 574810 A GB574810 A GB 574810A GB 9003/43 A GB9003/43 A GB 9003/43A GB 900343 A GB900343 A GB 900343A GB 574810 A GB574810 A GB 574810A
Authority
GB
United Kingdom
Prior art keywords
tubes
heat
vapours
high temperature
june
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
Application number
GB9003/43A
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.)
BBC Brown Boveri AG Germany
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Germany
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Germany, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Germany
Publication of GB574810A publication Critical patent/GB574810A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B9/00—Stoves for heating the blast in blast furnaces
    • C21B9/10—Other details, e.g. blast mains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/12—Forms of water tubes, e.g. of varying cross-section
    • 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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/08—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geometry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

574,810. Heat-exchangers. AKT.-GES. BROWN, BOVERI, & CIE. June 4, 1943, No. 9003. Convention date, June 23, 1942. [Class 64 (iii)] In a tubular heat-exchanger for heating gases and vapours by waste gases of high temperature, density and velocity of flow, the tubes each consist of several tube lengths of different diameter, the internal diameter of the tubes and the free cross-sectional area therebetween being so dimensioned that the product of the velocity and density of the media passing in parallel flow along both sides of the tubes increases by stages with increasing temperature on the heat absorbing side and decreases by stages on the heat discharging side. The tubes are preferably assembled in nests, each nest having upper and lower collecting pieces 13 with tubular extensions 14 which are connected to headers 15 in a fluid-tight manner, e.g., by glands 17, and being resiliently supported, as shown, by a spring 12 acting through a rod 18 coupled to the upper connecting piece 13.
GB9003/43A 1942-06-23 1943-06-04 Heat exchanger for heating gases and vapours to a high temperature Expired GB574810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH574810X 1942-06-23

Publications (1)

Publication Number Publication Date
GB574810A true GB574810A (en) 1946-01-22

Family

ID=4521136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9003/43A Expired GB574810A (en) 1942-06-23 1943-06-04 Heat exchanger for heating gases and vapours to a high temperature

Country Status (1)

Country Link
GB (1) GB574810A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852350A (en) * 1952-12-27 1958-09-16 Rheinpreussen Ag Fur Bergbau A Carbon monoxide hydrogenation synthesis reactors
WO1994004870A1 (en) * 1992-08-19 1994-03-03 Siemens Aktiengesellschaft Steam generator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852350A (en) * 1952-12-27 1958-09-16 Rheinpreussen Ag Fur Bergbau A Carbon monoxide hydrogenation synthesis reactors
WO1994004870A1 (en) * 1992-08-19 1994-03-03 Siemens Aktiengesellschaft Steam generator
US5701850A (en) * 1992-08-19 1997-12-30 Siemens Aktiengesellschaft Steam generator

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