SE9401147L - Method and apparatus for securing thermal shield between parts of different temperature - Google Patents

Method and apparatus for securing thermal shield between parts of different temperature

Info

Publication number
SE9401147L
SE9401147L SE9401147A SE9401147A SE9401147L SE 9401147 L SE9401147 L SE 9401147L SE 9401147 A SE9401147 A SE 9401147A SE 9401147 A SE9401147 A SE 9401147A SE 9401147 L SE9401147 L SE 9401147L
Authority
SE
Sweden
Prior art keywords
flow
inlet pipe
thermal shield
chamber
container
Prior art date
Application number
SE9401147A
Other languages
Swedish (sv)
Other versions
SE9401147D0 (en
Inventor
Bo Borrman
Ingemar Greis
Ernoe Legath
Original Assignee
Asea Atom Ab
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 Asea Atom Ab filed Critical Asea Atom Ab
Priority to SE9401147A priority Critical patent/SE9401147L/en
Publication of SE9401147D0 publication Critical patent/SE9401147D0/en
Priority to PCT/SE1995/000366 priority patent/WO1995027983A1/en
Publication of SE9401147L publication Critical patent/SE9401147L/en
Priority to FI963980A priority patent/FI963980A0/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C13/00—Pressure vessels; Containment vessels; Containment in general
    • G21C13/02—Details
    • G21C13/032—Joints between tubes and vessel walls, e.g. taking into account thermal stresses
    • G21C13/036—Joints between tubes and vessel walls, e.g. taking into account thermal stresses the tube passing through the vessel wall, i.e. continuing on both sides of the wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Furnace Details (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The present invention relates to a method and a device for introducing a medium, a primary flow (B), with a first temperature via an inlet pipe (9) into a container (2) which encloses the same medium with a second temperature, wherein the first and second temperatures differ considerably from each other. The invention comprises ensuring a thermal shield between the inlet pipe and that part of the container (10) which surrounds the inlet pipe, wherein the thermal shield consists of a secondary flow (C) which is adapted to flow in a secondary-flow gap (11) between the inlet pipe (9) and the container part (10). Te thermal shield is ensured by causing the primary flow (B) to pass through a throttle member (13) which is arranged in the inlet pipe (9) and has a limited extent in the longitudinal direction of the channel. The throttle member (13) comprises a chamber (14) which opens out downstream of the throttle member. Part of the primary flow (B) is supplied to the chamber (14) via a gap (16), and at least part of the secondary flow (C) is supplied to the chamber (14) via the secondary-flow gap (11), the primary flow (B) and the secondary flow (C) being mixed in the chamber (14). The flows are then caused, in mixed form, to join the main primary flow (B) flowing in the inlet pipe (9). To further ensure the thermal shield, a flow shield (19) is arranged around the inlet pipe (9) in the flow path of the medium (A) flowing in the container (2) for reduction of the velocity thereof at the inlet of the secondary-flow gap (11).
SE9401147A 1994-04-06 1994-04-06 Method and apparatus for securing thermal shield between parts of different temperature SE9401147L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9401147A SE9401147L (en) 1994-04-06 1994-04-06 Method and apparatus for securing thermal shield between parts of different temperature
PCT/SE1995/000366 WO1995027983A1 (en) 1994-04-06 1995-04-05 Method and device for ensuring a thermal shield between parts with different temperatures
FI963980A FI963980A0 (en) 1994-04-06 1996-10-04 A method and a plant for securing heat protection between parts with different temperatures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9401147A SE9401147L (en) 1994-04-06 1994-04-06 Method and apparatus for securing thermal shield between parts of different temperature

Publications (2)

Publication Number Publication Date
SE9401147D0 SE9401147D0 (en) 1994-04-06
SE9401147L true SE9401147L (en) 1995-10-07

Family

ID=20393544

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9401147A SE9401147L (en) 1994-04-06 1994-04-06 Method and apparatus for securing thermal shield between parts of different temperature

Country Status (3)

Country Link
FI (1) FI963980A0 (en)
SE (1) SE9401147L (en)
WO (1) WO1995027983A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE405651B (en) * 1977-05-16 1978-12-18 Asea Atom Ab PRESSURE CLEAR FOR NUCLEAR REACTOR
US4168071A (en) * 1978-03-17 1979-09-18 General Electric Company Thermal isolator
US4212594A (en) * 1978-07-24 1980-07-15 General Electric Company Liquid feeding and mixing arrangement including an ejector thermal sleeve
US4247262A (en) * 1978-12-26 1981-01-27 General Electric Company Liquid feeding and mixing arrangement including a flow-shielding ejector thermal sleeve

Also Published As

Publication number Publication date
FI963980A (en) 1996-10-04
SE9401147D0 (en) 1994-04-06
WO1995027983A1 (en) 1995-10-19
FI963980A0 (en) 1996-10-04

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