变速技术在引风机节能改造中的选型及计算.pdfVIP

变速技术在引风机节能改造中的选型及计算 1 2 3 4 1 1 李玲忠 ，张振文 ，杨世璠 ，吴六虎 ，闫宗涛 ，杜建民 1. 国电兰州热电有限责任公司，甘肃省兰州市城关区嘉峪关东路 143 号，730020 ； 2. 中广核风力发电有限公司西北分公司，甘肃省兰州市城关区东岗西路 6388 号，730020 ； 3. 国电甘肃电力有限公司，甘肃省兰州市城关区雁南路588 号，730010 ； 4. 国电靖远发电有限责任公司，甘肃省白银市平川区电力路4 号，730919 Acalculation and choice of speed inverter technique on energy-saving retrofit of induced draft fans 1 2 3 4 Li ling-zhong , Yang shi-fan , Zhang zhen-wen , Wu liu-hu ,Yan zong-tao1 ,Du jian-min1 1. Guodian Lanzhou Co-generation Power Plant , No.143 Jia Yu-guan East Road, Chengguan District, Lanzhou City,.Gansu Province, 730020 2. Zhongguanghe Wind Power Co., Ltd.,Westnorth Co., No.588 Yan-Nouth Road, Chengguan District, Lanzhou City,.Gansu Province, 730020 3. Guodian Gansu Electric Co., Ltd, No.588 Yan-Nouth Road, Chengguan District, Lanzhou City,.Gansu Province, 730010 4. Guodian Jingyuan Power Generation Co., Ltd, No.4 Electric Road, Pingchuan District, Baiyin City,.Gansu Province, 730919 ABSTRACT: Draft fans and water pumps are the speed control retrofit was proposed in the basis of main energy-consuming machines in thermal power efficiency of fans.The practical example proves that plants. Ordinarily 20%~30% of the input energy of using the liquid resistor speed control in high-power draft fans and water pumps was consumed by the motors can achieve steady regulation, reliable baffles, so energy-saving retrofit has large potential. operation and remarkable