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一、基本情况:总排干沟是河套灌区排水系统的主体工程,也是灌区排退水的总出路。为排泄后套灌区地下水、山洪、灌溉余水及改土治碱,发展农牧业生产起着重要作用。总排干沟于1967年挖通,西起杭锦后旗太阳庙公社永明五队(张大圪旦),东至乌拉特前旗树林子公社红圪卜扬水站尾水入乌梁素海止,长206.28公里,途经杭锦后旗、临河县、乌拉特后旗、五原县、乌拉特中旗、乌拉特前旗六个旗县,控制排水面积966.2万亩。原设计扬水流量30立米/秒,自流泄洪能力60立米/秒。
First, the basic situation: The total drainage ditch Hetao irrigation drainage system is the main project, but also the drainage of the irrigation area of the total outlet. In order to excrete irrigation water, flood irrigation, irrigation water and soil and alkali, development of agriculture and animal husbandry production plays an important role. The total drainage ditches dug in 1967, west from Hangjinhouqi Sun Temple commune Yongming five teams (Zhangda Dan Dan), east to Wulateqianqi woods commune red trowel pumping station tail water into Wuliangsuhai only 206.28 kilometers long, Through the Hangjinhou Banner, Linhe County, Wulatehouqi, Wuyuan County, Wulatezhongqi, Wulateqianqi six flag counties, drainage area 9662000 mu. The original design flow 30 liters / second, self-flow discharge capacity of 60 cubic meters / second.