Summary of performance advantages of applying full-oxygen combustion technology to baking ovens
2025-06-16
Most existing domestic baking ovens primarily use a mixed combustion of air and gas. In this conventional combustion process, only the O2 in the air reacts with the fuel. N2 and inert gases not only fail to aid combustion but also reduce the contact surface area between O2 and the fuel, resulting in incomplete combustion, uneven heating, and the easy generation of local high temperatures. This causes N2 to react with O2 at high temperatures, producing a large amount of NOx, thus greatly reducing the probability of O2 and fuel colliding and reacting.
Advantages of Zhongwei Energy Saving's Full-Oxygen Combustion:
1. Higher Combustion Temperature Compared to air-assisted combustion, approximately 79% of the nitrogen in the air does not participate in combustion in the full-oxygen combustion process, significantly increasing the temperature of the pure oxygen burner flame.
2. Higher Heat Transfer Efficiency Since the main products of full-oxygen combustion are triatomic substances (CO2 and H2O), and triatomic substances have better heat transfer effects than diatomic substances (N2), heating efficiency is significantly improved.
Lower Pollutant Emissions After Combustion. Because N2 does not participate in the full-oxygen combustion process, theoretically no NOx is produced. However, due to imperfect sealing during combustion, a small amount of N2 is drawn in from the atmosphere. Because the N2 concentration is low, NOx generation is reduced by 70%~80% compared to air combustion.
4. High-Efficiency Combustion Pure Oxygen Burner Zhongwei Energy Saving's new generation of jet-type pure oxygen burner has: Automatic Gas and Oxygen Ratio Control Pre Mixed Combustion These two major characteristics significantly improve steel ladle baking efficiency, especially suitable for low calorific value gas, reducing fuel operating costs for users. The design of the pure oxygen burner is unique. It utilizes the Bernoulli principle in fluid mechanics, using a special conical device to increase the flow rate around the cone, creating a local negative pressure By adjusting the gas flow rate, the vacuum degree is controlled to achieve automatic mixing and proportioning with the supporting oxygen.
In addition, the higher flow rate forms a premixing chamber inside the burner, where the gas and oxygen are fully mixed to form premixed combustion. The fully mixed gas is no longer limited by physical conditions such as gas diffusion speed.
5. Fully Automatic Baking Control Function One-button manual baking and one-button automatic baking are set. Automatic baking can also be performed according to the baking curve. Current baking data and curves can be transmitted to the control room in real time, allowing operators to understand the baking situation and perform remote control in real time. It also has automatic monitoring, cut-off, and alarm functions for gas leaks to ensure efficient and safe operation of the equipment.
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