Title:
HYDROGEN GAS CONCENTRATION MONITORING SYSTEM AND HYDROGEN GAS CONCENTRATION MONITORING METHOD
Document Type and Number:
Japanese Patent JP2015145859
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hydrogen gas concentration monitoring system capable of preventing deterioration of a sensor caused by hydrogen gas.SOLUTION: A hydrogen gas concentration monitoring system 400 according to an embodiment includes: a neutron hydrogen detection part 140 for acquiring information on the total hydrogen concentration by radiating fast neutrons, and thereby measuring the thermal neutron; state detection parts 110, 120, and 130 for acquiring information on the vapor concentration in a monitoring object atmosphere; and calculation part 200 for calculating the hydrogen concentration in the vapor on the basis of the measurement values measured by the state detection parts, and calculating the hydrogen gas concentration by deducting the hydrogen concentration in the vapor from the total hydrogen concentration. The calculation part 200 may also calculate the hydrogen gas concentration by calculating the vapor concentration on the basis of the measurement values measured by the state detection parts 110, 120, and 130, calculating the hydrogen concentration in the vapor from the vapor concentration, and deducting the hydrogen concentration in the vapor from the total hydrogen concentration.
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Inventors:
KATO YASUHIRO
KONO SHIGEHIRO
KUROSAKI MASASHI
AOKI MASASHI
KONO SHIGEHIRO
KUROSAKI MASASHI
AOKI MASASHI
Application Number:
JP2014019428A
Publication Date:
August 13, 2015
Filing Date:
February 04, 2014
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G01N23/09; G01N27/00
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office