Title:
WATER QUALITY CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH04343097
Kind Code:
A
Abstract:
PURPOSE: To prevent the corrosion and the like in the secondary system in a nuclear power plant by injecting medicine into the feed water for water quality control, and reducing metal oxide or eliminating dissolved oxigen for stopping the transport of metal oxide or dissolved oxigen to a steam generator even with the increase of them during a constant feed water flow.
CONSTITUTION: The amount of metal oxide or dissolved oxigen included in the feed water is measured with a potential monitor device 9 or dissolved oxigen meter and the injection rate of medicine from a medicine tank 6 is controlled by controlling the medicine pump 7 with a controller in accordance with the measured amount.
Inventors:
YAMAMOTO EIICHI
Application Number:
JP14261591A
Publication Date:
November 30, 1992
Filing Date:
May 20, 1991
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
G05D7/00; G05D11/13; G05D21/00; G21D3/08; (IPC1-7): G05D7/00; G05D11/13; G05D21/00; G21D3/08
Attorney, Agent or Firm:
Mitsuteru Soga (5 people outside)