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Title:
BACKWASHING WASTEWATER HEAT RECOVERY EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2015/152439
Kind Code:
A1
Abstract:
The present invention provides backwashing wastewater heat recovery equipment comprising: a wastewater tank, in which high-temperature wastewater is stored, and which is provided with a wastewater outlet; a fresh water tank, in which low-temperature fresh water is stored; a heat exchanger for exchanging heat between the high-temperature wastewater and the low-temperature fresh water, the heat exchanger comprising a fresh water inlet connected to the fresh water tank, a wastewater inlet connected to the wastewater tank, a fresh water outlet for discharging the fresh water, which has flowed into the fresh water inlet, and a wastewater outlet for discharging the wastewater, which has flowed into the wastewater inlet; a wastewater discharge port connected to the wastewater outlet; a hot water tank connected to the fresh water outlet; a first particle filter, which allows backwashing by comprising a wastewater inlet, which is connected to the wastewater outlet and has a third valve installed therein, a wastewater outlet, which discharges the wastewater passing through the wastewater inlet, is connected to the wastewater inlet of the heat exchanger, and has a fourth valve installed therein, and a first backwashing pipe, which is installed between the wastewater inlet and wastewater outlet and has one end connected to the wastewater inlet and the other end connected to the wastewater outlet and has a fifth valve installed therein; and a second particle filter installed between a wastewater inlet, which is connected to the wastewater outlet, and a wastewater outlet, which is connected to the wastewater outlet so as to discharge the wastewater passing through the wastewater inlet.

Inventors:
KIM CHAN HO (KR)
Application Number:
KR2014/002805
Publication Date:
October 08, 2015
Filing Date:
April 01, 2014
Export Citation:
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Assignee:
SNS ENERGY INC (KR)
International Classes:
F28D7/00; F28D7/10
Foreign References:
KR100991733B12010-11-03
KR101019120B12011-03-07
KR101199434B12012-11-09
KR101348952B12014-01-16
KR100635532B12006-10-18
Attorney, Agent or Firm:
B&IP-JOOWON PATENT AND LAW FIRM (KR)
특허법인주원 (KR)
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