US 12,290,054 B2
Recirculating aquaculture system using biofloc fermenter and aquaponics
Jeongho Lee, Gyeongsangnam-do (KR); Yeongsik Lee, Changwon-si (KR); Jun-young Song, Busan (KR); Hyeongsu Kim, Gyeongsangnam-do (KR); Nana Kim, Jeollonam-do (KR); and Jihwan Moon, Gyeongsangnam-do (KR)
Assigned to Republic of Korea (National Fisheries Research and Development Institute), Busan (KR)
Appl. No. 17/638,233
Filed by REPUBLIC OF KOREA (NATIONAL FISHERIES RESEARCH AND DEVELOPMENT INSTITUTE), Busan (KR)
PCT Filed Aug. 25, 2020, PCT No. PCT/KR2020/011289
§ 371(c)(1), (2) Date Feb. 25, 2022,
PCT Pub. No. WO2021/040365, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 10-2019-0104200 (KR), filed on Aug. 26, 2019.
Prior Publication US 2022/0312747 A1, Oct. 6, 2022
Int. Cl. A01K 63/04 (2006.01); A01G 31/02 (2006.01); A01K 61/10 (2017.01); A01K 61/17 (2017.01); B01D 33/073 (2006.01); C02F 1/00 (2023.01); C02F 3/20 (2023.01); C02F 101/16 (2006.01); C02F 103/20 (2006.01)
CPC A01K 63/045 (2013.01) [A01G 31/02 (2013.01); A01K 61/10 (2017.01); A01K 61/17 (2017.01); A01K 63/042 (2013.01); B01D 33/073 (2013.01); C02F 1/004 (2013.01); C02F 3/20 (2013.01); C02F 2101/166 (2013.01); C02F 2103/20 (2013.01); C02F 2301/046 (2013.01); C02F 2301/08 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A recirculating aquaculture system using a biofloc fermenter and aquaponics, comprising:
a breeding water tank that breeds farmed fish;
a first filtration unit that separates a solid from drain water of the breeding water tank;
a second filtration unit that secondarily filters water passing through the first filtration unit;
a biofloc fermenter that proliferates microorganisms of the water that passes through the second filtration unit and stabilizes water quality;
a cultivation unit that is formed to allow plant cultivation through the water passing through the biofloc fermenter; and
a third filtration unit that filters the water passing through the cultivation unit and transmits the filtered water back to the breeding water tank,
wherein the first filtration unit includes a drum filter formed to separate the solid by rotation, and the second filtration unit includes a backwash mode by changing a water flow direction,
wherein the biofloc fermenter is configured so that sludge and organic matter included in backwash water generated by backwashing of the second filtration unit are decomposed by heterotrophic bacteria to stabilize the water quality,
wherein the biofloc fermenter is formed in plurality, and is formed so that the breeding water is processed step by step, and
wherein the biofloc fermenter includes:
a supply pipe,
a fermenter in which biofloc breeding water supplied through the supply pipe is stored or fermented, and
an oxygen supply device for generating water flow formed inside the fermenter to (a) increase an amount of dissolved oxygen in the biofloc breeding water and (b) prevent organic matter from being precipitated through water flow generation.