Adjusting type water quality temperature control breeding device for fishery

The invention discloses an adjustable water quality temperature control breeding device for fishery, which comprises a filter cartridge, a filter screen cover is detachably connected in the filter cartridge, the inner wall of the filter screen cover is provided with a filter membrane, and the side wall of the filter cartridge is communicated with a first water pump; the device further comprises a nitration reaction tank, the outlet end of the first water pump is communicated with the nitration reaction tank, a plurality of first microorganism attachment plates are arranged in the nitration reaction tank, a denitrification reaction tank communicated with the nitration reaction tank is arranged on one side of the nitration reaction tank, and a plurality of second microorganism attachment plates are arranged in the denitrification reaction tank; one side of the denitrification reaction tank is provided with a sterilization tank communicated with the denitrification reaction tank, the inner wall of the sterilizat