Some little tips on RTO for waste gas treatment

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Most chemical companies are involved in waste gas treatment, and the main equipment used for this purpose is the RTO. In my humble opinion, there might be other better options available. Briefly describe the principle of RTO and the precautions during use. RTO primarily uses the high temperature in the furnace to oxidize waste gases into carbon dioxide and water. It is mainly divided into 2-chamber and 3-chamber types. 2 furnace models – relatively old-fashioned; the exhaust gas is circulated and fed into both furnaces. Saddle ring packing is used, resulting in a short residence time for the exhaust gas. Medium. The temperature difference at the upper layer is more effective for treating exhaust gas with a lower LEL value. When operating, attention should be paid to the ratio of natural gas to air, as well as the temperature during slow cooking; these factors have a direct impact on the amount of natural gas used. Of course, many programs are written into the PLC, so I won’t go into details here. As a department head, it is essential to understand the underlying causal relationships and sequential actions. 3 Furnace models – The exhaust gas enters, exits, and is purged in sequence through furnaces 1, 2, and 3; generally, a dedicated air compressor is required to power the lift valves. This furnace uses honeycomb coal-type regenerative ceramic bricks, which have the advantage of good heat storage and heat transfer capabilities. However, if the workers installing them do not follow the standard installation procedures, it can lead to a sharp rise in temperature in the middle part of the furnace, resulting in its shutdown. Furnace 3 is suitable for higher LEL levels. The LEL program also needs to be programmed into the PLC. Due to its high LEL value, once it enters the smoldering mode, as long as the LEL value remains stable, almost no natural gas is consumed. As for chain and furnace stability, as well as fan speed and processing capacity, which vary from one furnace to another, they will not be discussed in detail here. Of course, it mostly relates to company confidentiality.