What is the relationship between high temperature fan performance and air volume.Heater Fan direct sales

　　There is no doubt that high temperature fans are very important in industrial production. Many current fans can adjust the air volume, and high temperature fans are no exception. Usually, when we operate a high-temperature fan, we set its air volume at a fixed value. Then maybe everyone will be curious about what kind of law the performance of the high-temperature fan will show with the change of air volume.

　　ask

　　How to determine the air volume? When the air volume of the high temperature fan is reduced to a certain level, what is the first phenomenon?

　　answer

　　Theoretically speaking: the air volume of the high-temperature fan is determined by the coal consumption. The quality of the coal consumption is determined by the online analyzer to determine its CO content or oxygen content. In fact, this is not completely correct.

　　1. The level of coal consumption is caused by many factors, such as: the distribution of secondary and tertiary air, the adjustment of burners, the temperature of secondary air, etc. The coal consumption can be reduced only if the coal consumption is well connected. Only have the conditions to reduce the high temperature fan to pull the wind;

　　2. It is correct that the wind is large and the coal consumption is high, but it is not necessarily that the good clinker can be fired; unfavorable calcination;

　　3. The measurement data of the online analyzer has no reference due to the small change in the measurement position or measurement accuracy; even if it is accurate, we cannot adjust the CO content by adjusting other operating parameters instead of increasing the wind. .

　　4. There is no controversy about the high wind, high power consumption, and high coal consumption.

　　So how much is it suitable for us to pull the wind, and what will happen if the wind is too small:

　　1. Theoretically, the high-temperature fan is designed according to the heat consumption, and the air volume is very small. In the case of 15% overproduction, the usage of the high-temperature fan is less than 80%. Please calculate the detailed data by yourself. However, due to the unreasonable operating parameters, the coal consumption is high. The air leakage is large, and the high temperature fan is relatively high. According to my experience, in the case of 25% overproduction, the pulling air can fully meet the production air volume at 85%, including combustion and material conveying. In this case, electricity consumption and coal consumption are also relatively economical.

　　2. In operation, it is forbidden to adjust the air volume of the high-temperature fan to meet the calcination requirements, but to stabilize the air volume of the high-temperature fan and adjust the air volume by adjusting other parameters.

　　3. The performance of the high-temperature fan with small air pulling is first of all that the adaptability of various parameters in calcination is small, that is to say, when the wind is strong, the small and small changes of the parameters will not affect it, but when the pulling air is small, the kiln condition is unstable. In severe cases, it is easy to form a collapse material in a certain position. Of course, as mentioned above, the CO rises, the oxygen content decreases, and the kiln tail, calciner, 5-stage cylinder, and first-stage cylinder have significant changes (pressure, temperature). Its change, the greater the air volume, the greater the negative pressure, but the temperature is not necessarily proportional, he has to find the best through experience.

　　To sum up, the air volume of the high temperature fan is mainly determined by the energy consumption. Through a series of studies, it can be seen that too large or too small air volume is not conducive to the working condition of the high temperature fan. When we adjust the air volume of the high temperature fan, we should proceed from the actual situation and fully consider the operating conditions of the high temperature fan itself.

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