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Which mill is the best for limestone desulfurization systems?
Asker: YeynyAsk date: 12/3/2014 09:17:01AM
Question: Which mill is the best for limestone desulfurization systems?
Reply：
Dear Yeyny,
At present, dry and wet FGD desulphurization are the main desulfurization process used by thermal power plant. Both of them needs limestone to be made into desulfurization agent, so the mill has become indispensable equipment of desulfurization system.
For different requirements of limestone powder fineness in dry and wet FGD desulphurization, we can provide different specialized milling equipment configuration.
Dry FGD absorber used calcium carbonate or calcium oxide or calcium hydroxide, fineness requirements are within 1mm, Kefid's vertical mill, superpressure trapezium mill, European type grinding mill and other equipment are able to meet the requirements of this fineness.
Wet limestone flue gas desulfurization process is the most widely used coal-fired power plant flue gas desulfurization process. It requires desulfurization absorber limestone fineness should be determined according to the features of limestone and the comprehensive optimization of limestone FGD system and grinding-system. For burning low sulfur fuel from coal boilers, limestone powder fineness should ensure 91% through sieve rate for 250 mesh; when burning high sulfur-containing coal, limestone powder fineness should ensure 90 % pass rate for 325 mesh.
For this fineness and through sieve rate, Kefid's VM vertical mill, MTW European mill, TGM superpressure trapezium mill and other equipment are very applicable. In large power plants in both home and abroad,they has a very extensive application, the desulfurization effect is significant. And, for the entire power plant desulfurization limestone milling system, we can provide one-stop total solution. From the pre-testing of raw materials to the late installation, commissioning and acceptance, Kefid provide full guidance and production detection of main and auxiliary equipment, and a professional technical service team for your post-system maintenance, to ensure smooth post-desulfurization project continues.
Regards!
Kefid
