Industrial kiln

An industrial kiln, employing a tunnel kiln design, and comprising a kiln body and a transporting mechanism that is configured to convey a member to be fired to pass through an internal chamber of the kiln body, wherein the kiln body is of a structure with an arched middle portion, and comprises a rising portion, a middle portion, and a descending portion;

• a front end of the rising portion is connected to a front horizontal portion, and a rear end of the descending portion is connected to a rear horizontal portion;
• the transporting mechanism passes through the internal chamber of the kiln body in a parallel manner, and therefore the transporting mechanism is also correspondingly divided into a front horizontal portion, a rising portion, a middle portion, a descending portion, and a rear horizontal portion, wherein in the transporting mechanism, the front horizontal portion and the rising portion, the rising portion and the middle portion, the middle portion and the descending portion, and the descending portion and the rear horizontal portion are connected by means of curved surfaces with smooth transitions, respectively;
• the middle portion is a portion with a highest temperature in the kiln body, and a high-temperature firing region is formed in the middle portion;
• at least one part of the front horizontal portion and at least one part of the rising portion form a pre-heating region with a gradually increasing temperature, and at least one part of the descending portion and at least one part of the rear horizontal portion form a cooling region with a gradually decreasing temperature;
• and the transporting mechanism conveys the member to be fired to sequentially pass through the front horizontal portion, the rising portion, the middle portion, the descending portion, and the rear horizontal portion.