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Patent Searching and Data


Title:
DRYING APPARATUS WITH ENERGY RECUPERATION
Document Type and Number:
WIPO Patent Application WO/2010/094913
Kind Code:
A3
Abstract:
A drying apparatus for drying a fibrous material is described. The drying apparatus comprises a heater arranged to heat a first gas stream and a fibrous material, the first gas stream is arranged to enter the drying apparatus at an inlet, the gas stream including steam, a separator for separating a said fibrous material from the first gas stream to form a second gas stream. The drying apparatus further includes a heat exchanger arranged to condense and separate a steam component and a water component from the second gas stream, and a compressor arranged to compress the steam component and return the steam component to the inlet. In an alternative the compressor is arranged to compress the second gas stream directly and before the heat exchanger arranged to condense and separate a steam component and a water component from the second gas stream, and return the steam component to the inlet. A method of drying is also described. The invention as disclosed seeks to recover the energy content of the exhaust from the drying apparatus and return this to the dryer for re-use.

Inventors:
WHITE THOMAS HENRY (GB)
JAMES ALAN DAVID (GB)
FAVARO MANSUETO (IT)
Application Number:
PCT/GB2010/000279
Publication Date:
December 29, 2010
Filing Date:
February 17, 2010
Export Citation:
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Assignee:
DICKINSON LEGG LTD (GB)
WHITE THOMAS HENRY (GB)
JAMES ALAN DAVID (GB)
FAVARO MANSUETO (IT)
International Classes:
F26B17/10; F26B21/08; F26B23/00
Domestic Patent References:
WO2010051572A22010-05-14
Foreign References:
CA2346138A12000-05-11
EP1843114A12007-10-10
DE3323000A11984-01-19
EP1707910A22006-10-04
Attorney, Agent or Firm:
BONNER, Catherine (20 Staple GardensWinchester, Hampshire SO23 8SR, GB)
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