The author explains this problem in detail as follows:

First of all, let's look at the origin of industrial enamel technology: with the need of production, people use enamel technology to compound acid resistant glass materials which are close to the industrial glass properties on the metal matrix, so as to obtain the composite with the dual characteristics of glass corrosion resistance and metal strength. Because the enamel covered on its inner surface basically retains most of the properties of glass, such as transparent, smooth, insulating, dense and non porous, chemical stability, etc., these properties are beyond the ordinary daily enamel, so it is called "enamel glass". Here we need to note that because the production process of glass enamel equipment is equivalent to the enamel process, it still belongs to the category of enamel equipment. Because of its high acid and alkali resistance, it is also known as acid resistant enamel, chemical enamel and so on.

When it comes to industrial enamel, we must be specific about enamel. Enamel is divided into daily use enamel and industrial enamel, industrial enamel is enamel glass; because the content of silicon dioxide in industrial enamel is close to glass, it becomes enameled glass. Enamel glass is the standard name, that is, professional terminology, while industrial enamel is popular. We all know that the National Technical Committee for the standardization of enamel equipment is not called the National Technical Committee for the standardization of enamel equipment.

Therefore, the differences between "enamel equipment" and "glass enamel equipment", "enamel reactor" and "glass enamel reactor" mentioned in chemical equipment are only different in terms of names, but in fact there is no essential difference. For glass enamel equipment, it refers to industrial enamel equipment. Glass enamel is industrial enamel and ordinary enamel. The main components of both are silicon dioxide, but the content is obviously different. The higher the content of silicon dioxide, the closer the content of silica in glass is, the closer the corrosion resistance of glass is. Compared with ordinary glass, enamel can be made with special formula It is closely attached to the metal matrix and has relative flexibility, so it can be compounded into excellent corrosion-resistant equipment, while ordinary glass is not. It can be seen that the composition of the porcelain layer of industrial enamel is closer to that of glass, so it is called enamel.

The following conclusions can be drawn: enamel, generally refers to the daily use of enamel, enamel glass is industrial enamel.