Algae culture system for offshore platform based on carbon neutralization

The invention provides an algae culture system for an offshore platform based on carbon neutralization. The algae culture system comprises a floating plate, a seawater bin, a treated domestic sewage bin, a carbon dioxide bin and a culture bin, a main pipe is arranged on the floating plate and is connected with a water source inlet pipe, a nutrient solution inlet pipe and a carbon dioxide supplementing pipe; the water source inlet pipe is connected with the seawater bin, the nutrient solution inlet pipe is connected with the treated domestic sewage bin, and the carbon dioxide supplementing pipe is connected with the carbon dioxide bin; the multiple breeding bins are installed on the floating plate. The breeding bin is transparent; a branch pipe communicated with an inner cavity of the breeding bin is arranged on the breeding bin and is connected with the main pipe; the breeding bin is provided with a ventilation pipe communicated with an inner cavity of the breeding bin. According to the algae culture system f