The 5th and 9th coal-fired boiler flue gas desulphurization and dust removal control project of Sichuan Vinylon Plant commenced the whole process on December 18th to achieve a successful trial run. The successful operation of the project will allow the Sichuan-Weifang region to reduce annual sulfur dioxide emissions by 13,000 tons.
The existing five coal-fired boilers in the Sichuan-Weiyue plant are not only constructed early, have no desulphurization facilities, and are located in high-sulfur coal areas. Due to the difficulty in purchasing low-sulfur coal, the emission concentration of sulfur dioxide in the boiler flue gas is high. In 2007, Chongqing proposed "livable Chongqing", which issued near-rigorous targets for sulfur dioxide emissions from five coal-fired boilers in the Sichuan-Weifang Plant. To this end, the company launched the project, Chongqing Municipal Government also strongly supported, allocated 17 million yuan from the municipal finance to support the implementation of the project.
The project took eight months to complete in advance. The total investment of the project is 88 million yuan, and the wet desulfurization process is adopted. The monitoring data after the operation shows that the desulfurization effect of the device is over 98%. After the successful implementation of the first-phase treatment project, the second-phase treatment project is being planned. The remaining three medium-temperature medium-pressure boilers with high energy consumption and unsatisfactory emissions will be updated and technological transformation will be implemented to complete the task of reducing sulfur dioxide emissions.
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