Abstract: The present inventions relates to an apparatus for purifying wastewater and a method thereof, which comprises: a stirring part to make bubbles impregnated into floc through high speed stirring by adding floc forming materials to influent and stirring them; an air supply part to supply air to the stirring part to make more bubbles impregnated; a pumping part to conduct pressurized conveying of the floc included treatment water; a cyclone part to separate high density floc to downstream and treatment water with low density floc to upstream from the pressurized treatment water; and a flotation part to separate floc from the treatment water with floc supplied from the cyclone part. Therefore, the present invention have an effect that it is possible to improve purification speed of wastewater and obtain good quality of purified water.
Type:
Grant
Filed:
August 24, 2012
Date of Patent:
May 24, 2016
Assignees:
POSCO ENGINEERING & CONSTRUCTION CO., LTD., BLUEGREENLINK CO., LTD.
Inventors:
Joo Hyung Ko, Kwan Yeop Kim, Yun Jung Kim, Hyun Bae Kim, Hyoung Gun Kim, Hae Wook Nam, Hee Chul Yoon, Yu Seong Won, Jae Woong Park, Young Hwa Choi
Abstract: The present inventions relates to an apparatus for purifying wastewater and a method thereof, which comprises: a stirring part to make bubbles impregnated into floc through high speed stirring by adding floc forming materials to influent and stirring them; an air supply part to supply air to the stirring part to make more bubbles impregnated; a pumping part to conduct pressurized conveying of the floc included treatment water; a cyclone part to separate high density floc to downstream and treatment water with low density floc to upstream from the pressurized treatment water; and a flotation part to separate floc from the treatment water with floc supplied from the cyclone part. Therefore, the present invention have an effect that it is possible to improve purification speed of wastewater and obtain good quality of purified water.
Type:
Application
Filed:
August 24, 2012
Publication date:
January 22, 2015
Applicants:
POSCO ENGINEERING & CONSTRUCTION CO., LTD., BLUEGREENLINK CO., LTD.
Inventors:
Joo Hyung Ko, Kwan Yeop Kim, Yun Jung Kim, Hyun Bae Kim, Hyoung Gun Kim, Hae Wook Nam, Hee Chul Yoon, Yu Seong Won, Jae Woong Park, Young Hwa Choi