农田水利循环排灌系统,包括排水主沟和输水主管,它还包括储水桶、过滤池、排水小沟和输水支管,输水支管与排水小沟平行且间隔设置,输水支管与输水主管相通连接,排水小沟与排水主沟相连,排水主沟与过滤池的进水口相连,过滤池的出水口通过回水管与储水桶相连,输水主管的一端与储水桶相连,回水管上设置有用于将经过滤池过滤后的水抽到储水桶中的第一水泵,输水主管上设置有用于将储水桶中的水抽到输水支管中的第二水泵,输水支管上设置有若干个沿输水支管长度方向设置的喷头;该系统具有灌溉效果好,能够实现对水资源的回收利用,且能够避免水资源浪费的优点.%The farmland conservancy circulation irrigation and drainage system includes the main drain ditch and the main water conveyance pipe,and it also includes water tank,filter,little drainage ditches and water delivery pipes branch.Water delivery pipes branch and little drainage ditch are arranged interval,the branch and the main pipes are connected,the little and the main drainage are connected,the main ditch drainage ditch is connected to the water inlet of the filter,the water outlet of the filter is connected with the water storage bucket through a return pipe,and one end of the water delivery director is connected with the water storage bucket.The return pipe is provided with a first water pump for pumping filtered water to the storage bucket,the water delivery director is provided with a second water pump for pumping water from the bucket to a water delivery pipe branch,and the branch is arranged with several nozzles along the length direction of the water delivery pipe branch.The system has a good irrigation effect,can realize the recycling of water resources,and can avoid the waste of water resources
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