The hottest Pacific complete set realizes the loca

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On March 9, the science and technology guiding project of the China Textile Industry Federation, "complete sets of domestic equipment and technology for large capacity polyester staple fiber with an annual output of 50000 tons and above", undertaken by Shanghai Pacific Textile Machinery Complete Equipment Co., Ltd., passed the scientific and technological achievement appraisal organized by the China Textile Machinery Industry Association in Dongtai City, Jiangsu Province. Gao Yong, vice president of China Textile Industry Federation, Zhu Xianmin, vice president of China Textile machinery and equipment industry association, Jiang Shicheng, academician of Chinese Academy of engineering, Zhang huailiang, honorary vice president of China Textile Engineering Society, Ling Baoyin, senior consultant of China Textile machinery and equipment industry association and other industry experts attended the appraisal meeting

the appraisal committee agreed that the complete set of equipment has advanced design concept, reasonable structure, high control accuracy, strong process flexibility, stable production, excellent product quality, and the overall technology of the project has reached the international advanced level. Now the completion of the project is of great significance to promote the high-capacity equipment and technological innovation of polyester staple fiber in China. It has realized the localization of complete sets of equipment and technology for large capacity polyester staple fiber with an annual output of 50000 tons and above, met the requirements of the task statement, has independent intellectual property rights, and achieved the industrialization of scientific research achievements, with economic and social benefits shown in the plane control test block

"a complete set of domestic equipment and technology for large capacity polyester staple fiber with an annual output of 50000 tons and above" has many innovative achievements. Its fully enclosed outer ring blowing device and single spinning position air inlet volume closed and set up benchmarking ring control and exhaust air open-loop control technology have solved the balance problem of cooling air stability and air inlet and outlet volume control, and the tow cooling and forming is good; The developed new porous spinning components and spinning box melt distribution technology enable the temperature difference between spinning positions to be controlled ≤± 0.5 ℃; The developed spinning oiling agent circulation system reduces the consumption of oiling agent; The manufacturing technology of large tonnage track reciprocating device makes the tow stable and smooth; The flooding draft water bath developed has high stability and temperature control accuracy of ± 0.5 ℃; The configuration of drafting machine and tension setting machine is flexible and reliable, which meets the needs of spinning varieties and processes; Cascade flash pressure/differential pressure gradient temperature control energy-saving technology makes rational use of heat sources and reduces energy consumption; The developed 20 roll 4-zone drive tension setting machine and double-layer low-density laminating and high-speed double denier crimping machine have improved the fiber uniformity; The structure of the cutter is reasonable, which meets the needs of industrialized production of large capacity polyester staple fiber; The fully digital frequency conversion synchronous drive technology developed ensures the speed accuracy between each unit machine; Developed high-power power supply system and medium voltage frequency conversion and high-power rectifier DC bus inverter technology. Smart, ultrabook, led and smart home appliances are the highlights of the electronic information and electrical appliance industry, and the equipment operates stably; The upper computer monitoring software and the industrial network technology based on Fieldbus and industrial Ethernet have been developed to realize the digital informatization of the control system of the complete set of equipment

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