1. Kiln structure It is divided into three categories: aluminum alloy assembled
drying kilns, brick concrete structure drying kilns, and metal
structure (with a frame of square tubes, inner aluminum plates, and
outer color steel plates) drying kilns.
2. Heating system A drying kiln uses steam as the heat source and humid air as the
medium to scientifically dry wood by controlling the parameters of
the drying medium. By using steam heating, temperature and humidity
control inside the kiln can be achieved to obtain wood drying
products with good drying quality and uniform moisture content.
3. Air circulation system The top air type drying kiln belongs to a periodic forced
circulation drying kiln. The fan is placed on the top of the drying
kiln, and is assembled on the fan frame with a high-temperature and
high humidity resistant motor and anti-corrosion aluminum die cast
impeller. It is divided into positive pressure zone and negative
pressure zone according to the direction of the airflow. The fan
can rotate in both forward and reverse timing, and the airflow
changes the direction of circulation accordingly, achieving a
uniform distribution of airflow through the material stack and
achieving good drying quality.
4. Control system The integrated drying kiln is equipped with a semi-automatic
control cabinet installed in the centralized management operation
room, allowing one person to manage multiple kilns. Operators set
parameters based on tree species and drying standards; The
semi-automatic control cabinet achieves automatic control of the
temperature and humidity of the drying medium by controlling the
electromagnetic valves of the heater, steam spraying pipe, and
inlet and outlet butterfly valves, ensuring the drying standard
requirements and the quality and cycle of wood drying.
5. Detection system The temperature is measured using a thermal resistance thermometer
and its accompanying digital display instrument. The relative
humidity detection uses a dry and wet bulb temperature difference,
which means one is used as a dry bulb thermometer and the other is
used as a wet bulb thermometer. The difference between the two is
determined by checking the table to determine the relative humidity
of the medium in the kiln. The moisture content of wood is measured
using a weighing plate or an electrical measuring instrument.