Abstract
China industry boilers have characteristics that huge total amount, wide distribution, high energy consumption and heavy pollution. Since the Chinese government revised the energy conservation law in 2007, boiler and other high energy consuming special equipment energy conservation supervision was more and more concerned, and in 2014 the Chinese government has enacted the new revision “atmospheric pollution prevention and control law” in which boiler emissions management requirement was increased. But because of boiler energy conservation and environmental protection work started late in China, relevant working basis is weak and the indicators for boiler efficiency, emissions are not perfect, to a certain extent, it restricted the progress of boiler energy conservation and environmental protection work in China. In this paper, we analysis on the effect of energy efficiency standards of industry boiler in China, and give a suggestion to promote China industry boilers to more energy saving.
Highlights
Due to China’s industrial boiler huge total amount, wide distribution, high energy consumption and heavy pollution, since the Chinese government revised the energy conservation law in 2007, boiler and other high energy consuming special equipment energy conservation supervision was more and more concerned, and in 2014 the Chinese government has enacted the new revision “atmospheric pollution prevention and control law” in which boiler emissions management requirement was increased[1,2]
Because of boiler energy conservation and environmental protection work started late in China, relevant working basis is weak and the indicators for boiler efficiency, emissions are not perfect, to a certain extent, it restricted the progress of boiler energy conservation and environmental protection work in China
When the boiler output is less than 1t/h, the average exhaust gas temperature of the industrial boiler is significantly higher than other boilers; since flue gas loss is one of the major heat losses among the boiler heat loss, generally the flue gas loss increases 1% and energy consumption increases 1.4% with exhaust gas temperature exceeding 15°C; according to the overall analysis of steam boiler of which boiler rating is less than 1t/h and the application of the current energy-saving technology, energy-saving technology can be adopted for the steam boiler of which boiler rating is less than 1t/h to reduce exhaust gas temperature and flue gas loss appropriately, and there is still some space for improving boiler thermal efficiency
Summary
Due to China’s industrial boiler huge total amount, wide distribution, high energy consumption and heavy pollution, since the Chinese government revised the energy conservation law in 2007, boiler and other high energy consuming special equipment energy conservation supervision was more and more concerned, and in 2014 the Chinese government has enacted the new revision “atmospheric pollution prevention and control law” in which boiler emissions management requirement was increased[1,2]. Because of boiler energy conservation and environmental protection work started late in China, relevant working basis is weak and the indicators for boiler efficiency, emissions are not perfect, to a certain extent, it restricted the progress of boiler energy conservation and environmental protection work in China. Current energy efficiency conditions of industrial boilers after the execution of the latest energy efficiency standard in China, in this paper, we listed the basic condition of China industry boilers, and analysis barriers of industry boilers energy efficiency from the market side and manufacture side. We got the conclusion which will give the clue to analysis the effect of China industry boilers energy efficiency
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