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General Contract Signed with Jinhua Huayu for the Ultra-Low Emission Transformation of the 4240 t/h Boilers
 
10 Dec, 2018
 
Recently, Jiangnan Environmental Protection Co., Ltd. and Shanxi Jinmei Huayu Coal Chemical Co., Ltd. (Jinmei Huayu) have once again cooperated and signed the EPC general contract for the ultra-low emission transformation of Jinmei Huayu' s 4×240t/h boilers FGD.

Shanxi Jinmei Huayu Coal Chemical Co., Ltd. is a wholly-owned subsidiary of Jinmei Group. It was established in October 2011 with a registered capital of 2.4 billion yuan. As of July 2018, the total assets of the company were 8.42 billion. In recent years, Jinhua Huayu has focused on promoting the "High-sulfur Coal Clean Utilization Circular Economy Industrial Park" (Shanxi Province "One City, Two Parks") project, and is committed to building a circular economy industrial chain system specializing in the clean use of high-sulfur coal and creating a first-class modern coal chemical recycling economy industrial park in China.

In May 2015, our company undertook the general contracting of boiler FGD for the first phase of Jinmei Huayu' s high-sulfur coal clean utilization thermoelectric integration demonstration project (annual production of millions of tons of methanol. This project has a total of 4 240t / h boilers. One FGD unit is designed for one boiler. The current FGD units cannot meet the latest ultra-low emission requirements. The aim of the project is the ultra-low emission transformation of the original FGD equipment. The concentration of SO2 in the flue gas from the existing unit is 1690mg/Nm3 (standard, dry, 6% oxygen). The new FGD units are designed based on in-absorber cooling crystallization, no flue gas bypass, and the clean flue gas back to the original chimney after desulfurization. The designed FGD efficiency is not less than 97.7%, and the annual operation time is 7200 hours. The SO2 concentration in the clean flue gas after the modification is not higher than 35mg/Nm3 ( standard, dry base, 6% oxygen) and the dust content at the outlet is not higher than 5mg/Nm3 (standard, dry base, 6% oxygen, when the dust content of the flue gas at the inlet of the absorber is not higher than 20mg /Nm3 ). The ammonia slip is not higher than 3mg/Nm3 (standard, dry base, 6% oxygen).
 
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