Hot air circulation ovenAll adopt axial flow fans, equipped with automatic constant temperature control system, and equipped with computer control system for selection. The thermal efficiency reaches about 70%. It uses steam or electricity as a heat source and uses an axial flow fan to heat the air through convective heat exchange in the heat exchanger. The laminar flow of hot air passes through the dryer and transfers heat to the material. Fresh air is replenished from the air inlet, and waste humid and hot air is discharged from the dehumidification outlet, continuously replenishing fresh air and continuously discharging humid and hot air to maintain the relative humidity inside the oven.
Characteristics of hot air circulation oven
1. The control adopts advanced touch screen control or ordinary control, which is easy to operate and has a long service life.
2. Most of the hot air circulates inside the box, with high thermal efficiency and energy savings.
3. There is an adjustable air distribution plate inside the box, which utilizes forced ventilation to ensure even drying of materials.
4. The whole machine has low noise, stable operation, temperature self-control, and easy installation and maintenance.
5. Widely applicable and capable of drying various materials, it is a universal drying equipment.
6. The air inlet and outlet are equipped with filters for users to choose from.
The use and maintenance of a hot air circulation oven are also important. When powered on, avoid touching the electrical parts on the left side of the box with your hands or wiping them with a damp cloth or rinsing them with water. Do not squeeze the items inside the box too tightly, and leave space for natural convection of the atmosphere to slow down and escape the humid atmosphere on the top of the wind. The use of this instrument requires a dedicated person to handle it, and the external power supply should be cut off at the end of equipment use to prevent accidents from occurring. Do not disassemble or assemble electrical components and other parts of equipment at will, in order to avoid protecting the electrical control circuit and causing human errors in the equipment that may affect its function.
Hot air circulation ovenSuitable for baking, drying, heat treatment, etc. that are 5-200 degrees higher than room temperature, with a sensitivity of ± 1. There are many models, but the basic structure is similar, generally consisting of three parts: the box, the heat source system, and the automatic temperature control system. The hot air circulation oven is easy to use and runs stably. But there are still some precautions, which we summarize as follows:
1. The hot air circulation oven must be placed indoors in a dry and level place to prevent vibration and corrosion.
2. Attention should be paid to safe electricity use, and a power switch with sufficient capacity should be installed according to the power consumption of the hot air circulation oven. Select sufficient power conductors and have good grounding wires.
3. The temperature controller with an electric contact mercury thermometer should connect the two wires of the electric contact thermometer to the two terminal posts on the top of the box. Insert another ordinary mercury thermometer into the exhaust valve (the thermometer in the exhaust valve is used to calibrate the electric contact mercury thermometer and observe the actual temperature inside the box), and open the hole of the exhaust valve. Adjust the mercury thermometer to the desired temperature and tighten the screws on the steel cap to achieve constant temperature. But it must be noted not to turn the indicator iron outside the scale when adjusting.
4. The test sample can only be placed after all preparations are readyHot air circulation ovenInside, then connect and turn on the power. The red indicator light is on to indicate that the box is heated. When the temperature reaches the controlled temperature, the red light goes out and the green light comes on, and the constant temperature starts.