Calcium carbonate circulating desulfurization equipment

• Main Authors: XIE WENQING, LUO WEI, SU CHENGYAN, ZHENG XINYAN
• Format: Patent
• Language: English
• Published: 29.04.2015
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model discloses calcium carbonate circulating desulfurization equipment, which is small in consumable items, and low in cost, and is capable of transforming vulcanized gypsum into calcium carbonate again to recycle. The calcium carbonate circulating desulfurization equipment comprises a desulfurization tower, a calcium carbonate slurry preparation pool, a slurry input pump, a gypsum pool, a carbonate neutralization pool, hydrochloric acid neutralization pool, a sewage treatment pool and a water supply system, wherein the desulfurization tower is provided with a smoke opening and a spray device; the slurry input pump is arranged in the calcium carbonate slurry preparation pool, and is connected with the spray device; the gypsum pond is arranged at the bottom of the desulfurization tower; a gypsum output pump which is connected with the carbonate neutralization pool is arranged in the gypsum pond; a slurry outlet of the carbonate neutralization pool is connected with the hydrochloric acid neutralization pool; a material outlet of the hydrochloric acid neutralization pool is connected with the calcium carbonate slurry preparation pool; the sewage treatment pool is respectively connected with the gypsum pond, the carbonate neutralization pool and a drain outlet of the hydrochloric acid neutralization pool; and the water supply system is respectively connected with the a calcium carbonate slurry preparation pool, the carbonate neutralization pool and the hydrochloric acid neutralization pool.