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Patent Searching and Data


Title:
METHOD FOR IMPROVING EFFICIENCY OF HEATING WITH STEAM AND METHOD FOR MAKING PAPER
Document Type and Number:
WIPO Patent Application WO/2019/159469
Kind Code:
A1
Abstract:
According to the present invention, in a heating step for heating an object to be heated with steam via a metal material, to improve the efficiency of heating with steam by adding a condensed-water film formation-inhibiting amine, the amount of the condensed-water film formation-inhibiting amine to be added is controlled on the basis of any one among the concentration of the condensed-water film formation-inhibiting amine in a drain, the pH of the drain, the conductivity of the drain, the draining amount, the amount of the steam, the temperature of the drain, the temperature of the metal material, and the elution amount of the metal material in the drain.

Inventors:
MORI SHINTARO (JP)
NISHIDA HIDEKI (JP)
UJIIE SHOGO (JP)
LIN QIAN (JP)
Application Number:
PCT/JP2018/042945
Publication Date:
August 22, 2019
Filing Date:
November 21, 2018
Export Citation:
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Assignee:
KURITA WATER IND LTD (JP)
International Classes:
D21F5/02; D21H17/07; F26B3/20; F26B23/10
Foreign References:
JP2011012921A2011-01-20
JP2011033301A2011-02-17
JP2015117913A2015-06-25
JP2003532051A2003-10-28
JP2017119893A2017-07-06
JP2011012921A2011-01-20
JP2017181476A2017-10-05
JP2018025228A2018-02-15
Other References:
See also references of EP 3754108A4
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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