APPARATUS FOR REDUCING WASTE LITHOGRAPHIC PRINTING PLATE DEVELOPING LIQUID

Title:

APPARATUS FOR REDUCING WASTE LITHOGRAPHIC PRINTING PLATE DEVELOPING LIQUID

Document Type and Number:

WIPO Patent Application WO/2011/037080

Kind Code:

A1

Abstract:

Disclosed is an apparatus (1) for reducing waste lithographic printing plate developing liquid, which comprises: an antifoaming agent tank (40) for storing an antifoaming agent; a processing liquid tank (10) for storing waste positive lithographic printing plate developing liquid; a first container (20) that is connected to the antifoaming agent tank (40) and the processing liquid tank (10) and comprises a heating coil (60) for heating and concentrating the waste liquid; a second container (22) that comprises a cooling coil (64) for cooling and condensing the water vapor evaporated from the first container (20); a compressor (61) and a capillary tube (68) that are connected to the heating coil (60) and the cooling coil (64) so as to configure a heat pump system; a pressure reducing means for reducing the pressures of the first container (20) and the second container (22), said pressure reducing means comprising a water-jet tank (80), an aspirator (81) and a water-jet pump (82); and a cleaning water tank (90) which recovers the water cooled and condensed by the second container (22) and is connected to the water-jet tank (80).

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Inventors:

GOI HIROSHI (JP)
NISHIYAMA MIKIO (JP)
YANAGIDA TAKAYUKI (JP)
SASAKI DAISUKE (JP)
KAKUGAWA KIKUJI (JP)
KOUKAWA HISATSUNE (JP)

Application Number:

PCT/JP2010/066157

Publication Date:

March 31, 2011

Filing Date:

September 17, 2010

Export Citation:

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Assignee:

FUJIFILM GRAPHIC SYSTEMS CO LTD (JP)
GOI HIROSHI (JP)
NISHIYAMA MIKIO (JP)
YANAGIDA TAKAYUKI (JP)
SASAKI DAISUKE (JP)
KAKUGAWA KIKUJI (JP)
KOUKAWA HISATSUNE (JP)

International Classes:

C02F1/04; B01D1/02; B01D5/00; B01D19/04; G03F7/00; G03F7/30

Foreign References:

JPH0857202A	1996-03-05
JPH09262401A	1997-10-07
JPH04366964A	1992-12-18
JPH05104075A	1993-04-27
JPH04311959A	1992-11-04
JPH05341535A	1993-12-24
JPH02157084A	1990-06-15

Other References: