The difference between a high-temperature oven and a high-temperature furnace are mainly the following:

First, from the temperature. High-temperature oven temperature range for the ambient temperature to 800 ℃ (from HOCHECK), in this temperature range can choose a high-temperature oven; high-temperature oven temperature is higher than 800 ℃ temperature when used;

From the size of the size. High-temperature oven size can be large or small (10-1000L) varies, while the high-temperature furnace size is usually very small (10-70L) or so;

From the cleanliness. High-temperature oven made of SUS304 or 310 stainless steel, relatively clean; high-temperature furnace using silicon carbide or fiberboard (such as: ceramic fiberboard, polycrystalline mullite fiberboard, zirconium fiberboard, etc.) such furnace liner is fragile, slagging, etc., so the cleanliness is not good;

From the heating material. High-temperature oven more stainless steel heating tube, a few manufacturers use resistance wire, quartz tube, etc.; high-temperature furnace low-temperature section of the resistance wire, high-temperature section of the silicon-carbon rods and silicon molybdenum rods.

The above is the main difference between high-temperature oven and high-temperature furnace, I hope it can help you. (Information from HOCHECK)