METHOD OF INSTALLING CORROSION RESISTANT LINING IN DUCT AND CORROSION RESISTANT DUCT WITH LINING

Title:

METHOD OF INSTALLING CORROSION RESISTANT LINING IN DUCT AND CORROSION RESISTANT DUCT WITH LINING

Document Type and Number:

Japanese Patent JP2001263645

Kind Code:

A

Abstract:

To easily install a corrosion resistant lining in a duct.

Lining plate (11) each having a hole (14) are arranged on the inner surface of an existing duct (10) such that gaps C between adjacent ends or gaps C' between the corners of the duct and the adjacent ends of the lining plates becomes a predetermined value, temporarily fixed to the duct by appropriate means if necessary, welded thereto at the ends of the lining plates as shown by W1 or plug-welded thereto at the edge of the holes as shown by W2. Next, connection plates (12) and corner connection plates (13) are placed across adjacent lining plates to close the gaps C and C', temporarily fixed thereto if necessary, and welded to the lining plates as shown by W3, and cover members (15) are arranged to cover the holes, temporarily fixed thereto by appropriate means if necessary and welded to the lining plates as shown by W4.

Inventors:

HASEGAWA YORIYUKI
HIROMOTO TAKESHI
NUKUSHINA NOBUYUKI
MANABE YUKIO

Application Number:

JP2000072068A

Publication Date:

September 26, 2001

Filing Date:

March 15, 2000

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD

International Classes:

F23J13/02; F27D17/00; (IPC1-7): F23J13/02; F27D17/00

Attorney, Agent or Firm:

Takashi Ishida (4 others)

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