GAS CLEANING SYSTEMS

High efficiency Gas Cleaning Systems are vital for the reliable operation and long campaign life of high temperature hot blast systems and steam generation facilities. The Paul Wurth Gas Cleaning systems are designed to the highest levels of cleaning efficiency, safety and reliability and provide the best possible environmental protection. We design and supply the full range of the Gas Cleaning and Gas Distribution System equipment and processes. Our range of Gas Cleaning Plant process equipment includes: Axial Cyclone Compact design High efficiency dust separation (up to 85% of the total dust content) for removal of coarse (larger size) dust particles Adjustable Guide Vane Design accommodates changing furnace operation conditions Adapts to existing plants – replacing the existing dustcatcher without requiring additional downcomer support Can be equipped with highly reliable Paul Wurth dry dust extraction equipment – such as our GRITZKO® II Dust Valves Paul Wurth also designs and supplies conventional, expansion type dustcatchers Annular Gap Scrubber High dust particle separation efficiency with minimum gas pressure loss High efficiency cooling of the gas Designed for long operational life and ease of maintenance Provided with shell protection to suit the expected plant operations and gas properties Effective moisture removal from the associated demister unit Efficient furnace top pressure control Energy Recovery Turbine High efficiency electrical power generation when used to recover mechanical energy from ‘high’ pressure BF gas Results: Clean BF gas for distribution to the hot blast stoves, steam generation plant or other units – with a dust content < 5 mg/Nm3 Significantly higher dry dust collection in the axial cyclone with an associated reduction of scrubber sludge by as much as 70% High efficiency of the axial cyclone dust collection results in low zinc content in the dry dust – suitable for recycling to the sinter plant/furnace.