Water treatment device

The invention discloses a water treatment device which comprises a shell, a water inlet assembly and a sewage disposal assembly, the water inlet assembly and the sewage disposal assembly are arranged on the shell, the water inlet assembly comprises a water inlet chamber connected with the shell, a water segregator and an energy dissipater, the water segregator and the energy dissipater are arranged on the water inlet chamber, and the water segregator is horizontally arranged in an inner cavity of the water inlet chamber; the energy dissipater is arranged at the bottom of the water inlet chamber, the sewage disposal assembly comprises an air distribution grid arranged on the inner bottom wall of the shell and an air inlet pipe connected with the air distribution grid, and the air inlet pipe is communicated with the air distribution grid. According to the water treatment device, the water inlet assembly is arranged, so that waste water can be subjected to three-time energy dissipation, meanwhile, the sewage dis