Title:
COOLING TOWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/159300
Kind Code:
A1
Abstract:
When recirculation and supply of cooling water from a cooling tower 1 to a heat exchanger 4 is continued, the water level inside a pit 1d gradually decreases and electrical conductivity gradually increases. A submersible pump 8 starts operation once the electrical conductivity reaches an intermediate value C2. The water supply from the submersible pump 8 undergoes RO treatment by an RO device 13, concentrate is discharged outside the system, and permeate is guided to the pit 1d. Once the water level decreases to a lower limit H0, a ball tap 21 opens, and replenishment water is supplied until the water level increases to an upper limit H1. The submersible pump 8 stops when the electrical conductivity decreases to a prescribed value C1 in conjunction with the replenishment water supply.
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Inventors:
ITOU KOUJI (JP)
MIWA MASAYUKI (JP)
MIWA MASAYUKI (JP)
Application Number:
PCT/JP2018/005176
Publication Date:
September 07, 2018
Filing Date:
February 15, 2018
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
F28F27/00; B01D61/02; B01D61/12; B01D61/14; B01D61/58; C02F1/44; F28G13/00
Foreign References:
| JP2016190224A | 2016-11-10 | |||
| JP2016040031A | 2016-03-24 | |||
| JP2001317883A | 2001-11-16 | |||
| JPS49126945U | 1974-10-30 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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