The tunnel furnace can be categorized into various types based on different classification criteria such as:

Single-Channel Tunnel Oven and Multi-Channel Tunnel Oven, categorized by the number of channels.

Two: Categorized by whether the flame enters the tunnel: open flame tunnel furnace, flame-separated tunnel furnace, and semi-flame-separated tunnel furnace.

Section 3: By kiln internal transport equipment: car-type tunnel kiln, pusher-type tunnel kiln, roller-bottom tunnel kiln, conveyor belt tunnel kiln, step-type tunnel kiln, and air cushion tunnel kiln.

Four: Low-temperature tunnel furnace, medium-temperature tunnel furnace, high-temperature tunnel kiln, and warm tunnel furnace.

Fifth, by firing type: refractory tunnel kilns, ceramic tunnel kilns, red brick tunnel kilns.

Six: By heat source, flame tunnel furnace, electric heat tunnel furnace.