Recently, the pilot project of the first heating coal-fired hot water boiler in Tianjin Binhai New Area is under intense construction and is expected to be put into operation next year. The pulverized coal boiler not only increases the coal combustion efficiency from 70% to 92%, but also saves coal and reduces emissions. It also eliminates spillage and dusting caused by coal transportation and storage from the source and minimizes the impact on the surrounding environment.
The media learned from the Environment Bureau of Tianjin Binhai New Area that the pilot project for the first heating coal-fired hot water boiler in the New District is currently under intense construction and is expected to be put into operation next year. Compared with the boilers currently used in heating stations, pulverized coal boilers not only increase the efficiency of coal combustion from 70% to 92%, but also save energy and reduce emissions. The entire process from pulverized coal transportation to storage and use realizes sealed treatment. For the first time, coal-fired heating stations will have a “seeing coal†scenario, eliminating the spillage and dusting caused by coal transportation and storage from the source and minimizing the impact on the surrounding environment.
In Tianjin Huijinghua Thermal Power Co., Ltd., located in the Hujiayuan area, the media saw two adjacent rectangular buildings have been erected, and a tall building with a cylindrical appearance was also under construction. “Two rectangular buildings will become the 'home' of two pulverized coal boilers in the future. The cylindrical building is a desulphurization equipment specially built for pulverized coal boilers.†The person in charge of the company introduced that the capacity of the two pulverized coal boilers Achieving 58 MW, the capacity of the 29 MW chain boiler used in the current heating station has doubled, and they use pulverized coal as a fuel. "If the coal used in the chain furnace is 'coarse grain', then the pulverized coal boiler is to eat 'fine grain', which is finer than flour." The person in charge said that the refinement of fuel also ensures the efficiency of combustion. A substantial increase. Compared with the chain furnace, the coal combustion efficiency of pulverized coal boilers has reached 92% and carbon reduction has been achieved.
"Pulverized coal will be produced by a special pulverized coal plant, and transported to a heating station through a special tank truck. It will directly enter the sealed silo and will be used by pulverized coal boilers in powder silos. The transportation, production and use will be fully closed. The person in charge said that this will ensure that no coal and dust are visible in the heating station, avoiding pollution from spillage of stored vehicles, storage of coal dust, etc., so that coal-fired heating stations can be as clean as gas boilers. And clean. The heating station is also equipped with pulverized coal boilers with high-efficiency desulfurization, denitrification and dust removal and other specialized equipment. After the pulverized coal boiler is put into use, the discharge of major pollutants will be much lower than the national standard. According to preliminary calculations, after the use of pulverized coal boilers, the emission of sulfur dioxide is 50 milligrams per cubic meter, which is a quarter of the national standard, and the particulate matter discharge is 10 milligrams per cubic meter, which is one-half the national standard. Nitrogen oxides The emission of material is 150 milligrams per cubic meter, which is three quarters of the national standard emission.
At present, the construction of two pulverized coal hot water boilers is progressing smoothly and is expected to be put into use next year. By then, the heating area will be expanded from the current 1 million square meters to 3 million square meters, providing protection for residents of the Xintang No.
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