Dry tunnel

Drying wood and bricks and tiles requires a lower drying speed and adopts tunnel drying. The hot air circulates in the tunnel closed. The material car can walk on the light rail, open the closed doors on both sides, take out a car of dry materials, remove part of the water vapor, and enter a car of wet materials to supplement part of the air. The length of the tunnel can reach 30-40 meters.

Performance characteristics:

advantage:
①It has very flexible control conditions, which can make the food under the airflow under almost the required temperature-humidity-speed conditions, so it is especially suitable for experimental work;
②The direction of the air flow is changed every time the feeder moves forward, and the moisture content of the product is more uniform.

Disadvantages:
①The structure is complex, the sealing requirements are high, and special devices are needed;
②The pressure loss is large and the energy consumption is high.