China Drying Network At present, China is engaged in drying equipment manufacturing enterprises as many as more than 400, drying equipment annual production value of 1.7 billion to 2 billion yuan, the product can not only meet the basic needs of the domestic market, and a small amount of exports to foreign countries. However, compared with the world's drying technology, the level of drying technology and equipment automation in China is still at the middle and low level.
Drying equipment industry is engaged in the development of small businesses, new products, and perfect introduction of new products is mainly to imitate each other. Experts suggest that the development of advanced automation technology to improve product quality is of great significance. In the current market, product homogeneity is serious, automation is low, and technology is low. With China's accession to the WTO, there will be more international counterparts entering the domestic market, and with increasingly serious international competition, it will face enormous competitive pressures.
At present, there are major deficiencies in domestic drying technologies: 1. There are widespread problems such as large heat loss, low thermal efficiency, high coal consumption, difficulty in controlling the discharge of water, and low relative output; 2. Use of waste heat gas with a temperature of less than 350°C as a heat source. Drying materials can not be adapted; 3. Can not adapt to the drying of crystal water containing materials, can not adapt to the drying of high moisture materials; 4. The phenomenon of large particle size of the materials in the drying process can not be solved, greatly affecting the material Drying effect; 5. Drying system does not use automatic computer detection and control system, can not accurately on-line materials, wind, coal, etc. for accurate online detection and control, resulting in the drying system can not play the best effect.
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