Dry operation involves a wide range of national economy, it is not only a large number of industrial and agricultural products indispensable basic production processes, drying is also China's energy consumption, the energy used in the national economy, the total energy consumption of about 12%. In addition, the pollution caused by the drying process is often an important source of environmental pollution in China, the progress of drying technology with the development of the national economy has a very close relationship.

In the face of severe energy and environmental challenges, China has recently developed a long-term energy and technology development strategy and development plan by 2020 with a comprehensive, coordinated and sustainable scientific development concept. This energy and environment development strategy has been formulated. , But also for the development of China's drying technology pointed out the direction of the new road to explore the development of dry technology is imperative.

Compared with other operational aspects of industrial and agricultural production, the energy saving and pollution prevention tasks in the drying process are particularly urgent. First, the dry operation involves a wide range of areas, while China's dry energy consumption accounts for almost half of the total industrial energy consumption, up to 12%. Second, the pollution of the environment is also quite serious. In the most widely used various types of conventional drying equipment, more than three quarters of the hot air drying, such drying equipment on the environment pollution is very serious, for the drying system of coal-fired furnace transformation has become an important issue to be solved.

Improve the energy efficiency of the drying process and control the pollution of the environment is complementary. Reduce the energy consumption of 100 million tons of standard coal in China can reduce more than 64 million tons of CO2 and SO2 emissions, the environmental benefits are very significant. Therefore, in exploring the new development path of drying technology, the energy efficiency, environmental protection and the quality of the products must be considered in order to achieve comprehensive, coordinated and sustainable development.
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To implement efficient and green dry development strategy, first of all to take the road of resource-saving development, change a single extensive drying for the combination of intelligent dry. Not only from the drying process on the fundamental transformation, but also a comprehensive, multi-level energy-saving technological transformation, and vigorously develop the application of renewable energy and industrial waste heat drying technology. From the government level, to establish and improve the comprehensive evaluation criteria for drying equipment and industry standards, the establishment of macro-control and market regulation mechanism to speed up the upgrading of drying technology.