PROCESS FOR UTILIZING COMBUSTION PRODUCTS ENERGY IN COAL-BURNING POWER PLANTS AND APPARATUS FOR MAKING THE SAME

摘要

The method consists in passing the flue gas to the lower part of the washing machine, desulfurizing it in the wet, and cooling it to the dew point of the water while passing through the droplet separator and using the heat to be preheated to the condenser. In the flue gas energy utilization device, a washing machine (1) is provided downstream of the steam boiler, which includes a sump, a lower inlet portion, a central wash zone and an upper outlet portion in front of which a droplet separator (3) is arranged. The droplet separator (3) is provided with cooling tubes (4) in the lower wave sections of its impact surfaces (15) and / or is composed of cooling tubes (4) leading through the straight membrane plates (16). In the energy utilization method, the desulphurized flue gas is cooled in the droplet separator (3) before the flue gas outlet to the water dew point and the sensible and latent heat is used to preheat the condenser (14) directly downstream of the condenser and the extraction steam needed for this purpose is used for a first low pressure preheating stage (13) for additional power generation