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Hazards of tower blockage in the desulfurization system: 1. High power consumption – The direct consequence of tower blockage is an increase in the pressure difference across the entire desulfurization system, which leads to higher electrical current, increased load on the motors, and greater power consumption. Additionally, after blocking the tower, to ensure the H2S levels in the desulfurization system remain within acceptable limits, it is common practice for many companies to increase the circulation rate, which in turn increases electricity consumption. 2. Low desulfurization efficiency: The tower clogging process results in a layer of sulfur paste forming on the surface of the packing, which inevitably reduces the effectiveness of the packing’s distribution. This leads to uneven flow of the liquid, a decrease in the gas-liquid contact area, and a shorter contact time, all of which affect the desulfurization efficiency. 3. Equipment maintenance work increases, with frequent repairs required. Desulfurization maintenance is already a demanding and tiring task; there is usually high staff turnover. When the tower gets blocked, it causes pump failure, and the packing used for sealing can easily be blown away. In severe cases, it is necessary to close all the inlet and outlet valves before new packing can be added. Furthermore, in order to ensure desulfurization efficiency, increasing the circulation rate will also cause severe erosion and corrosion of the outlet valve elements and pipes, which will significantly shorten the pump’s service life. 4. High consumption of auxiliary materials: Tower blockage inevitably leads to an increase in gas velocity, which easily causes the desulfurization liquid to be carried out of the tower ； Also, after blocking the tower, many manufacturers have to resort to increasing the composition of the desulfurization solution in order to maintain the H2S level in the subsequent processing stages; this leads to increased consumption of auxiliary materials. 5. Safety hazards exist: If the desulfurization tower becomes clogged, the pressure at the outlet of the Roots pump will continue to rise, which can easily lead to the shutdown of the pump. If the outlet is not closed in time, the pump may start rotating in reverse, and in severe cases, this could even result in the pump being destroyed. Furthermore, frequent pump startups and shutdowns, as well as regular maintenance, inevitably increase safety risks and affect safe production. 6. High gas resistance results in a lower production volume; blockages in the tower inevitably lead to poor flow of gas through the purification section, which affects the compression capacity of the compressors and ultimately impacts production volume.