There are two types of combustion methods for gas stoves: one is atmospheric combustion, which is characterized by injecting primary air into the burner after the gas is sprayed from the nozzle, and the amount of primary air is less than the amount of air required for complete combustion of the gas; After the mixture of gas and primary air is sprayed from the fire hole and comes into contact with the ignition source, it immediately undergoes a chemical reaction, producing aldehydes and alcohols as intermediate substances, releasing a small amount of heat; The intermediate substance comes into contact with the secondary air around the burner, further reacts, achieves complete combustion, and releases a large amount of heat.
The large-scale production of domestic gas stoves began in the 1990s, with desktop stoves being the main type. It was not until around 2000 that embedded gas stoves appeared in China. Due to their more high-end appearance and ease of cleaning, they quickly developed and became the main selling product of various gas stove enterprises, deeply loved by urban consumers.
In this way, the heating at the center of the heated pot is more concentrated, and the rotating flame enhances the heat exchange between the flame and the heated pot, while also prolonging the flame's residence time at the bottom of the pot. Therefore, compared with traditional direct flame stoves, internal flame stoves have higher thermal efficiency and better flame concentration, making them more suitable for Chinese cooking.
According to the secondary air replenishment method required for gas combustion in atmospheric combustion mode.
Embedded stoves can be divided into lower inlet stoves and upper inlet stoves. Secondary air can enter the embedded stove in the gas combustion area through the bottom shell of the stove, which is called a down inlet stove. The general feature is the panel opening, which can directly see the bottom shell of the stove; The embedded stove with secondary air entering the gas combustion area above the stove panel is called an upper inlet stove, which is generally characterized by no openings on the panel and no visible bottom shell of the stove.