Title:
TREATMENT APPARATUS OF BOILER FEED WATER
Document Type and Number:
Japanese Patent JP2003136065
Kind Code:
A
Abstract:
To provide a boiler feed water treatment apparatus which can the corrosion of a boiler pipe and prevent scale without adding an alkaline chemical, and can produce alkaline water having excellent properties as supply water for a boiler.
This boiler feed water apparatus includes an electric deionizer 101, which can produce treated water having a pH higher than that of water to be treated by 1.0 or more when the water to be treated having a pH equal to or lower than 8.5 is treated without adding the alkaline chemical. The alkaline water obtained by the electric deionization of the water to be treated with the electric deionizer 101 is used as the supply water.
Inventors:
SATO SHIN
OSAWA KIMINOBU
IWASAKI KUNIHIRO
OSAWA KIMINOBU
IWASAKI KUNIHIRO
Application Number:
JP2001339508A
Publication Date:
May 13, 2003
Filing Date:
November 05, 2001
Export Citation:
Assignee:
KURITA WATER IND LTD
International Classes:
F22D11/00; B01D19/00; B01D61/08; B01D61/18; C02F1/20; C02F1/469; (IPC1-7): C02F1/469; B01D19/00; B01D61/08; B01D61/18; C02F1/20; F22D11/00
Domestic Patent References:
| JP2001113281A | 2001-04-24 | |||
| JPH07136648A | 1995-05-30 | |||
| JPH11244853A | 1999-09-14 | |||
| JP2001286738A | 2001-10-16 | |||
| JPH08108184A | 1996-04-30 |
Attorney, Agent or Firm:
Okuyama Shoichi (2 outside)