Denitrification and desulfurization equipment belongs to a kind of cement which usually chooses denitrification urea or ammonia (liquid ammonia, dangerous goods) as reducing agent, but urea and ammonia are converted from ammonia, but the comprehensive energy consumption per unit product of synthetic ammonia is very high, consuming about 15570 tons of synthetic ammonia - it must increase the comprehensive energy consumption of 25 691 tons of chemical plants (cousins) - this letter committees must increase chemical plants, and power quotas - it must increase for days. However, the discharge of synthetic ammonia (23.36 tons of chemical oxygen demand (cod), ammonia nitrogen, 9.3 tons, cyanide 0.047 tons, SS10.90 tons, petroleum 1.56 tons, 0.031 tons of volatile phenolic compounds, sulfides 0.156 tons, 155700 tons) urea, ammonia, involving the agricultural system will be the agricultural authorities. In the whole debugging stage of hot state (smoke), it is necessary to debug the limestone slurry regulating circuit. If the slurry concentration of the absorber is adjusted by controlling the cyclone separator, overflow and return flow to the absorber, then the adjusting circuit is usually in a complete set of debugging and debugging stage of hot smoke. Because the adjustment circuit is relatively simple, the final adjustment should be based on the effect of gypsum dehydration, so the adjustment circuit debugging work can also be in the hot state smoke exhaust (in) a complete set of debugging stage.
Deamination membrane
According to the type of desulfurizer, it can be divided into the following five ways: based on calcium carbonate (limestone), based on magnesium and sodium mud of MgO, based on NH3 ammonia method and organic alkali of organic alkali. Dry desulfurization technology absorbs desulfurization and dries products in a dry state. There is no waste acid discharged from the law, and equipment is corroded. There is no significant cooling and purification process from a small extent.
High temperature flue gas from ammonia removal membrane is beneficial to the diffusion of chimney tail gas and the reduction of secondary pollution, but the desulfurization efficiency is low, the reaction speed is slow, and the huge equipment, etc. In order to prevent the boiler from burning coal, there are too many nitrogen oxides polluting the environment. Before combustion, it is divided into denitrification, combustion denitrification and post-combustion denitrification.
Desulfurization and denitrification in desulfurization units are relatively advanced, and our company's water film desulfurizer, desulfurization tower and other effects are very good.
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