US 12,376,572 B2
Industrialized fish and algae farming system and method with recirculating water
Jiarui Chen, Haidong (CN); Lizhi Li, Haidong (CN); and Weijun Bai, Haidong (CN)
Assigned to Qinghai Photon Ecology Co., Ltd., Haidong (CN)
Filed by Qinghai Photon Ecology Co., Ltd., Haidong (CN)
Filed on Apr. 4, 2023, as Appl. No. 18/130,457.
Claims priority of application No. 202310034381.4 (CN), filed on Jan. 10, 2023.
Prior Publication US 2024/0224958 A1, Jul. 11, 2024
Int. Cl. A01K 63/04 (2006.01); A01G 33/00 (2006.01); A01K 61/10 (2017.01); A01K 63/10 (2017.01); B01D 21/00 (2006.01); B01D 21/01 (2006.01); B01D 33/21 (2006.01); B01D 33/50 (2006.01); C02F 1/00 (2023.01); C02F 1/48 (2023.01); C02F 1/52 (2023.01); C02F 11/12 (2019.01); C02F 103/20 (2006.01)
CPC A01K 63/045 (2013.01) [A01G 33/00 (2013.01); A01K 61/10 (2017.01); A01K 63/10 (2017.01); B01D 21/0009 (2013.01); B01D 21/01 (2013.01); B01D 33/21 (2013.01); B01D 33/50 (2013.01); C02F 1/004 (2013.01); C02F 1/488 (2013.01); C02F 1/5236 (2013.01); C02F 11/12 (2013.01); B01D 2201/16 (2013.01); B01D 2201/184 (2013.01); C02F 2001/007 (2013.01); C02F 2103/20 (2013.01); C02F 2201/005 (2013.01); C02F 2301/08 (2013.01); C02F 2303/16 (2013.01); C02F 2303/18 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An industrialized fish and algae farming system with recirculating water, comprising: a fish and algae farming system, a fiber rotary disc filter system, and a magnetic loading flocculation system:
wherein the fish and algae farming system comprises a fishpond body, a water inlet device, and a water outlet device:
the fiber rotary disc filter system comprises a first fiber rotary disc filter device and a second fiber rotary disc filter device; the first fiber rotary disc filter device is located in a first filter pond: the second fiber rotary disc filter device is located in a second filter pond; the first fiber rotary disc filter device and the second fiber rotary disc filter device each comprise a fiber rotary disc filter, a backwash device, a sludge discharge device, and a supporting electric control device; the first fiber rotary disc filter device and the second fiber rotary disc filter device have equal filtration flux for same aquaculture sewage: filtering pores of filter cloths in a first fiber rotary disc filter have a diameter ranging from 15 μm to 30 μm: filtering pores of filter cloths in a second fiber rotary disc filter have a diameter ranging from 1 μm to 5 μm: a filtered water collecting tank is arranged between the first filter pond and the second filter pond: the filtered water collecting tank is provided with a filtered water outlet: the first fiber rotary disc filter device and the second fiber rotary disc filter device share the filtered water collecting tank, the filtered water outlet, a back suction pump and a drain outlet:
the water outlet device of the fish and algae farming system communicates with the first filter pond and the second filter pond through pipelines, respectively:
the filtered water outlet of the fiber rotary disc filter system communicates with the water inlet device of the fish and algae farming system through a pipeline:
the drain outlet of the fiber rotary disc filter system communicates with a water inlet of the magnetic loading flocculation system through a pipeline:
the magnetic loading flocculation system comprises a mixing pond, a coagulation pond, a flocculation pond, a sedimentation pond, a magnetic powder recovery device, and a sludge dewatering device:
the sedimentation pond of the magnetic loading flocculation system is provided with a clarified water outlet, and the clarified water outlet communicates with the first filter pond and the second filter pond through pipelines.