What is the difference between a kiln and a boiler

Kilns and boilers are two different types of equipment, the main difference being in the field of application, working principle, and purpose in which they are used.
Kiln is a device mainly used for heating and changing the properties of objects. It is usually a closed container that can be heated to a high temperature to cause chemical or physical changes to the object at high temperatures. Common kilns include rotary kilns, tunnel kilns, and electric heating kilns. Kilns are mainly used in fields such as sintering, roasting, smelting, heat treatment, etc., and are suitable for various materials such as ceramics, cement, casting, metallurgy, etc.
A boiler is a device that generates heat by burning fuel and heats water into steam. The boiler is usually composed of a furnace, smoke pipe, steam chamber, water inlet, sewage outlet, etc. Boilers are mainly used in fields such as heating, power generation, and industrial production, and are widely used in industries such as electric power, chemical engineering, textiles, paper making, and shipping.
Therefore, there are significant differences between kilns and boilers in their application fields, working principles, and uses.
Kilns are widely used in the following fields:
Ceramic: Ceramic manufacturing is one of the earliest and most typical fields of kiln application. Kilns can perform ceramic heating, sintering, and drying processes, such as plate kilns, tunnel kilns, and tank kilns.
Cement: Cement production requires burning the mixture into clinker, cooling it, and grinding it into powder. This process requires the use of rotary kilns, vertical sintering kilns, low-temperature kilns, and other types of kilns.
Metallurgy: Kilns also play an important role in the field of metallurgy, such as blast furnaces, electric furnaces, coke ovens, etc. These kilns can be used in processes such as iron ore refining, casting, sintering, and smelting.
4. Glass: Glass manufacturing requires the use of furnaces for heating and melting. Common kilns include glass pot kilns and glass baking kilns.
5. Food: Kilns can also be used for food production, such as bread baking, barbecue, grilled fish, etc.
New energy: One of the main fields of kilns is applied to the battery industry, and kiln equipment is used in the production of raw materials.
In short, kilns play an important role in industrial production, not only changing the properties of objects, but also turning different substances into useful products through heating and firing methods.