When adjusting the coke oven fans, one fan always has normal pressure with a slightly higher value, while the other fan has high pressure and cannot be adjusted – is there anyone who can help?
Thread Content
This post was last edited by caocheng on 2019-3-14 at 18:09. The pressure of the furnace fans is always normal for one furnace, but slightly high for the other; it’s not possible to adjust this issue. Is there anyone who can help?
The problem is quite serious; there are many possible causes. Could you specify which company’s control system it is? Things like the production volume of coke ovens and changes in their operation, as well as the resistance before and after the blowers, etc.
The system is a standard DCS system; currently, there are jagged distortions on the screen when it’s operating at full capacity. These distortions are particularly severe during coal loading operations, with the pressure ahead of the machine being over 8,000 and the pressure behind it being 12,000
In this case, it can be considered normal, or it can also be considered abnormal. The normal reason is that when the production volume of the coke oven is high (resulting in shorter operating intervals), the amount of gas generated causes some fluctuations and disturbances in the operation of the fan. What’s abnormal is the excessive fluctuations in the suction force at your machine. Firstly, it relates to the resistance level of the negative pressure system equipment; Secondly, it has to do with the coordination between the linear range of operation of the suction pipe flap and the speed of the fan. Third is the standardization of coal feeding operations in coke ovens. For ease of use, opt for an industrial computer system for automatic control.
I can solve it. Do you want me to come up with a technical solution for you?