Haoen guides the quality identification of vacuum drying oven

Firstly, from a structural perspective, generallyvacuum drying ovenThe shells are all made of cold-rolled steel plates, but there is a significant difference in thickness. Due to the vacuum environment inside the vacuum drying oven, in order to prevent the box from being damaged by atmospheric pressure, the thickness of the outer shell should be slightly larger than that of the blast drying oven. Generally, thicker steel plates are chosen for better quality and longer service life. For ease of observation, glass windows are installed on the doors of the drying oven, usually made of tempered glass and ordinary glass embedded in the doors,

Next, when it comes to temperature, we have to talk about insulation and sealing. At present, the insulation material for domestic drying ovens is mainly fiber cotton, with a few using polyurethane. Below are the different characteristics of the two materials. In terms of insulation effect, polyurethane has better temperature resistance and insulation effect than fiber cotton. Generally, polyurethane can keep the high temperature inside the box stable for several hours. It is worth mentioning that the efficient insulation performance of polyurethane can effectively prevent the operator from being scalded by the high temperature outside the box. The drying oven made of fiber cotton material can only rely on a temperature controller to continuously control and adjust the temperature inside the oven at high temperatures, which greatly increases the working intensity of the fan and controller, thereby reducing the service life of the drying oven. In terms of later maintenance, as polyurethane is injected into the box as a whole, it is particularly cumbersome to carry out repairs in the later stage. Before repair, all polyurethane needs to be removed and injected again after repair. Fiber cotton is not so complicated and the operation is simple. Finally, from the market perspective, fiber cotton is very cheap and can meet most insulation requirements. It is widely used, and the finer and thicker the fiber cotton, the higher the insulation quality. The drying oven is generally sealed with anti-aging silicone rubber, with good sealing effect.

In terms of cyclic heating performance, the selection of fans is crucial, mainly including domestic and imported fans.

Attachment selection: Generally, drying ovens do not have a time controller unless requested by the customer. In other words, the drying time can only be manually controlled. If it is necessary to add a time controller, it can be selected.