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The National Drying Center continuously explored the CTA/PTA drying theory and industrial tests based on the successful development of the 325,000-tonne PTA dryer developed by Sinopec Luoyang Branch. It verified and perfected the drying mathematical model and mastered the CTA/PTA drying process. Key equipment design technology. In 2007, the development and design tasks of the 600,000-ton PTA plant CTA/PTA dryer undertaken by Jialong Chemical Fiber Co., Ltd. were delivered.
In February of this year, China Labeled the Sinopec Yizheng Chemical Fiber 1 million tons PTA project CTA/PTA dryer development contract. Yizheng Chemical Fiber 1 million tons PTA project is China's independent intellectual property rights process technology, supporting the CTA/PTA dryer is also the largest independently developed domestic steam tube rotary dryer, will be delivered in March 2009 installation.
Coking coal moisture control is a technology for improving quality and reducing consumption. It is the heat exchange of the coal loaded to dry coal, which controls the moisture content of coal entering the furnace from 10% to 6%, so as to reduce coke oven coke heat loss and improve coke quality. The purpose also ensures the continuous stability of coke oven production. The steam drying technology developed by the National Drying Center uses the low-pressure steam generated by CDQ steam or other low-pressure steam in the factory as a heat source to indirectly exchange heat with wet coal through an efficient steam tube rotary dryer. The dust recycling and treatment system has been widely used in Baoshan Iron and Steel Co., Ltd., Shanxi Huijin Stainless Steel Co., Ltd., and Panzhihua Iron and Steel Co., Ltd. for its remarkable energy saving, environmental protection, and economic benefits.
Relying on Tianhua Institute, China's drying technology and equipment development results are gratifying
Relying on Tianhua Chemical Machinery and Automated Research and Design Institute, the “National Drying Technology and Equipment Engineering Technology Research Center†was established. Since the Ministry of Science and Technology approved the establishment in November 2007, the objectives and tasks have progressed smoothly and the task of engineering and technology development has been fully carried out. The development of large-scale drying technologies and equipment with localization in key projects has yielded gratifying results: The petrochemical industry's one-million-tonne PTA drying technology and equipment and the steel industry's coke oven coal moisture control device have reached the advanced level of the current international similar technologies. The domestic market replaced imports.