Seek production equipment for sodium-based desulfurization (sodium pyrosulfite)

Sodium-based desulfurization involves the use of sodium pyrosulfite (CASS) to react with SO2 in flue gases from combustion, thereby producing sulfates and achieving desulfurization. The following are the recommended production equipment for sodium-based desulfurization: 1. Multi-stage piston-driven centrifuge: used to separate the flue gas purification liquid containing sodium pyrosulfite from the flue gas from combustion. 2. Exhaust gas treatment system: Includes equipment such as dust collectors and absorption towers, used to treat particulates and other pollutants in combustion exhaust gases. 3. Sodium metabisulfite preparation device: Used to react sodium metabisulfite in the flue gas purification liquid with other raw materials to produce a sodium metabisulfite solution. 4. Reactor: Used for the reaction process in which sodium pyrosulfite reacts with SO2 in the flue gas to produce sulfates. 5. Separation equipment: Used to separate and purify sulfates from the solution after the reaction. 6. Concentration equipment: Used to concentrate the separated solution to obtain a high-concentration sodium metabisulfite solution or solid product. 7. Crystallization equipment: Used to crystallize the concentrated solution to obtain sodium metabisulfite crystals. 8. Filtration and drying equipment: Used to filter and dry the sodium metabisulfite crystals obtained through crystallization, to produce the final sodium metabisulfite product. The above is the general configuration of equipment for sodium-based desulfurization production; the specific selection of equipment must be determined by taking into account factors such as production scale, process requirements, and investment budget. .

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