Multi-stage separation device for solid waste treatment

The multistage separation device comprises a main separation chamber, a crushing chamber, a waste gas treatment chamber and a waste liquid treatment chamber, a screen is arranged in the middle of themain separation chamber, the bottom of one end of the screen is connected with the telescopic end of an electric telescopic rod in a welded mode, and an electric heating wire is embedded in a shell ofthe main separation chamber. A crushing chamber is arranged on one side outside the main separation chamber, a waste gas treatment chamber is arranged on the side, adjacent to the crushing chamber, outside the main separation chamber, an exhaust fan is installed on one side inside the waste gas treatment chamber, and an activated carbon adsorption net is installed on the other side inside the waste gas treatment chamber. A waste liquid treatment chamber is arranged on the other side, adjacent to the smashing chamber, outside the main separation chamber, a water pump is installed on one side in the waste liquid treatme