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Ac Motor Pace Regulation Know-how Of Modern Chemical Industry Has Change into A necessary Expertise

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1 Introduction Shenzhen Huaneng Corporation is engaged in certainly one of the first inverter technology. The first utility of various load frequency know-how has Shenzhen Huaneng’s participation, comparable to oil Pump (87 years of Daqing Oil Production Plant and Station eleven items), 20-ton bridge crane (89 years Dushanzi refinery), coking overhead crane (91 Maoming Petrochemical Firm), 20 tons of converter tilting and oxygen gun down (ninety three Chengde Steel three years), acrylic fiber production line (94 in Daqing Chemical Fiber Factory), 2.8m 44m rotary kiln (ninety years of non-ferrous metals Zhuzhou Smelter), 3.6m 30m calciner (92 years of Tangshan Alkali Manufacturing facility), a big roll (ninety three medium-sized plant in Anshan Iron and evacuation process transformation frequency converter 50 sets), offshore platforms Power provide (92 Western oil firms in the South China Sea Tools Division), 150HZ/160V200KW energy (89 years, 9 units of Shaoyang Chemical Fiber Manufacturing unit, Jilin Chemical Fiber Manufacturing facility 28 sets, 14 sets of Hubei Chemical Fiber Manufacturing facility, Jiujiang Chemical Fiber Manufacturing unit 12 sets, eight units of Yibin Chemical Fiber Manufacturing facility), 1250KW / 6000V Electric Fan (Xinhua plant in Daqing two units of 98), Excessive pressure Ammonia pump (ninety seven years Changling refinery, Liaohe fertilizer plants). Within the chemical fiber trade, lots of their performance, the next one after the other.

2 acrylic fiber manufacturing line Spinning process advanced, multi-station require tension management, position control, some requested. Daqing Acrylic Fiber Plant ninety five years of its introduction by the United States U.S. CHEMTEX ACC expertise company’s annual 50,000 tons of acrylic fiber manufacturing line frequency PLC Transformation. We use a “synchronous operation mode”, set “no tension management hyperlink”, “elastic body synchronizer”, “bus velocity management mode”, “Torque vector control” strategies, in order that the whole production line of 20 tow processing unit synchronous operation, stable and reliable, drawing charge from 1.04 to 1.Four-12 months yield as much as 382 tons, reducing failures, saving maintenance costs 575,000 yuan, the annual improve product high quality, improve financial effectivity grade pass price up to 3.25 million, the annual Saving 580 000 kW. 97 years, the undertaking appraisal by China Petrochemical Company, the specialists concluded 90 years of worldwide superior degree.

Lan of China Chemical Fiber Plant in 1965 from the UK examination Tao Scholz (Courtaulds) introduced the primary set of 8000t / a acrylic fiber production plant, one-step manufacturing process using sodium thiocyanate.

Acrylic fiber production process is a very superb manufacturing course of, velocity accuracy is very excessive. In addition to fiber-forming and publish-processing as well as straight dependent top processing velocity, the spinning preparatory and liquid system, liquid degree, stress, circulation management, and manufacturing of stationary, tow the standard of power consumption are all related to speed efficiency straight or indirectly. The spinning production line up to 170m, the working procedure tow velocity is about in accordance with process necessities. The unique design velocity control system which is slip motor, DC motor and its matching Electronic System to achieve, but since the unique British unit has been working 20 years, tools is aging and failure fee, coupled with the machine itself advanced, upkeep of large, often a fluctuation in manufacturing will lead to volatility throughout the board, and even the entire line to cease manufacturing of stable poor, the number of unplanned shutdowns and tougher to ensure product high quality.

1995 years spinning production line speed management system and main gear, a comprehensive reform governor. A total of three spinning production line installed frequency converter 113 units, all out of the slip motor and DC motor, significantly increase the stability of production, steadily lowered the number of unplanned shutdowns, silk waste, waste plastic was considerably lowered, product high quality has considerably improved.

Frequency control technology, the 1995 annual output petroleum refining handbook pdf 6d of 16000t / a, doubling the unique design capacity. These achievements, along with equipment modification updates, aggressive extensive frequency control expertise are also key elements, to increase manufacturing just one, you possibly can create effective 12 months nearly 500 million yuan.

Frequency conversion expertise because of its good stability, high reliability and enormously enhance the operating cycle of the tools, so that up to now due Electric Instrument causes a significant decline within the number of unplanned shutdowns, enhance the output of practically 150 tons per year, nearly a million additional advantages. Creator Box gaga has 1 articles on-line

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