Zhejiang out samples of 200 years of coal saving energy saving 2.26 million tons – Zhejiang, energy – the environmental protection industry
Record high international oil, coal, electricity prices one after another, monetary tightening … … how do? Recently, nearly 200 gathered to do cement Zhejiang West Lake, to discuss Energy Mitigation and business investment, financing and other issues. Use of waste heat power generation, waste recycling Energy Emission reduction measures as the highlight. China Cement Net, according to organizers
person in charge the past few years, cement, local development in Zhejiang, Zhejiang addition, the footprint throughout the country, including Yunnan, Sichuan, Fujian, Jiangxi, Anhui, Hubei and other places, with new dry-process cement production lines more than 120, capacity 120 million tons, accounting for a national new dry cement production capacity of more than 20%. This new dry cement production line with coal consumption decreased, significantly improve productivity, quality, stability, and environmental compliance, etc easily. In Zhejiang, the local, to this year, the province 705 High energy Polluting shaft kiln production line has been completely eliminated, has become the nation's first no shaft kiln cement production provinces; new dry cement production line 85, the proportion of new dry process 100%.
Provincial Economic and Trade Commission Building Department official says the province cement production consumes about 9 million each year to 1000 tons of standard coal, accounting for the province's industrial 9% of total energy consumption, energy consumption is really big. In recent years, Zhejiang Cement Co., Ltd. and other enterprises through new dry cement production line frequency transformation of the motor, using new technology and reducing energy-saving grinding heat consumption of clinker production control technology, the energy consumption of cement production decreased. The province's standard coal consumption per ton of cement clinker from 134.7 kg in 2000 down to 113.5 kg last year. Annual production of 70 million tons of clinker per year savings of 1.48 million tons of standard coal.
Cement enterprises in Zhejiang Province also actively explore the pure low temperature waste heat power generation technology. The so-called low-temperature waste heat power generation technology, through the recycling of steel, cement, petrochemical, and other enterprises continued almost every day to Atmospheric Environment In emissions, temperatures below 300 ~ 400 in the temperature of the waste steam, gas contained in low-grade heat to generate electricity, it will generate business in production of low grade or waste heat into high-level Energy ?? Power, is a change waste into highly efficient energy-saving technology.
End of last year, have been built in Zhejiang Province Cement Waste Heat Power Generation's 28 new dry cement production line, installed capacity of 122MW, annual generation capacity of 908 million kwh. This year there are 36 new dry cement production line of pure low temperature waste heat power generation project is completed, installed capacity of 177.5MW, power generation capacity will reach 2.23 billion kwh, annual energy savings of 780,200 tons of standard coal, combined with the previous 1.48 million tons, a total of 2.26 million tons of coal equivalent.
In addition, new building materials companies such as Ningbo Ke Central also uses advanced technology to a number of steel companies in Ningbo originally drained, easy recycling of environmental pollution cement production, currently handling 100 tons per day Solid Waste , While reducing production costs.
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