The utility model relates to a heat treatment quenching furnace net belt, comprising a net belt body and a sleeve, the net belt body comprises a first chain plate and a second chain plate, both ends of the first chain plate and the second chain plate are actively connected with the sleeve, the outer part of the sleeve and both sides of the first chain plate and the second chain plate are provided with a roller. A first inner chain plate and a second inner chain plate are arranged between the first chain plate and the second chain plate, the first inner chain plate and the second inner chain plate are arranged on both sides of the roller, and the two adjacent second chain plates are arranged between the first outer chain plate and the second outer chain plate, the outer surface of the network belt body is provided with a waterproof layer, the outer surface of the waterproof layer is provided with a corrosion resistant layer, and the second chain plate is provided with a waterproof layer. The outer surface of the corrosion resistant layer is provided with a high temperature anti-corrosion coating, and the outer surface of the high temperature anti-corrosion coating is provided with an anti-rust coating.

The utility model has the advantages of simple installation and disassembly, high flatness of the net surface, good corrosion resistance and high temperature resistance.