Invention Grant
- Patent Title: Diagnosis method for boiler degradation, diagnosis apparatus for boiler degradation, diagnosis system for boiler degradation and recording medium that records operation program
- Patent Title (中): 锅炉降解诊断方法，锅炉退化诊断装置，锅炉降解诊断系统和记录操作程序的记录介质
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Application No.: US11147438Application Date: 2005-06-08
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Publication No.: US07260502B2Publication Date: 2007-08-21
- Inventor: Yoshiharu Hayashi
- Applicant: Yoshiharu Hayashi
- Applicant Address: JP
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP
- Agency: Dickstein, Shapiro, LLP.
- Priority: JP2004-189095 20040628
- Main IPC: G06F3/05
- IPC: G06F3/05
Abstract:
One of the thermal transmission rates that represent thermal transmission from gas to steam in a heat exchanger constituting a boiler is calculated based on thermal conductivity rate of pipes and thermal transfer of steam and gas, and the other is compared with the thermal conductivity rate calculated based on the thermal conductivity rate of the pipes and thermal transfer rate of steam and gas.
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