The Mechanism And Machine Control System Of River (Drainage) Self-cleaning Filter

With the shortage of water resources in Xinjiang, and the increasingly serious water pollution, micro-irrigation, especially drip irrigation is the most water-saving irrigation technology, and advanced, can achieve good economic and social benefits. However, Xinjiang River (drainage) particles suspended solids and impurities, which is why the key equipment of the micro-irrigation system - the system of filtration equipment and components used to do more rigorous, traditional filtering devices can not achieve completely. The purpose of clean, prone to plug drip irrigation belt, causing a huge waste of human material and financial resources. Must seek a new self-cleaning filtration system to replace the traditional filtration systems to meet the actual needs of the local Xinjiang. In this paper, filter and control in self-cleaning filtration system designed to conduct research, such as the following main aspects:Filter home and abroad of advanced technology and usage in more detail the right filter and control section of the Design status and micro research status were summarized into considerationTo filter the classic formula - Darcy formula, based, were established in the self-cleaning filtration system the filter medium and filter cake formed by the pressure drop model office, and the calculation model through the degrees of two key factorsï¿¡and K ,and the porosity formation mechanism was analyzed and summarized the general method and applies to being self-cleaning filters.The control center of the filtration system. control system was more in-depth study on the filter pressure drop through the model calculation, select the appropriate filter and control computer, a complete filter start, operation, self cleaning, parking control system design, make hardware circuit diagram. Design not only be equipped with a line to adjust operating parameters of the ability to filter and real-time control but also self-cleaning process, to detect and report working status, time to repairThe main innovation of this thesis: it is mostly gray area under Cotton calcium soil, sediment large, the filter particles in the accumulation of certain impurities, which is commonly used in manual washing method is typically used to clean high frequency of large projects , time-consuming to clean and convenient, so the dual filter system uses self-cleaning system. During operation without stopping filtration, and the ability of irrigation machine (load about 1,000 acres), reduced the rate of input-output hardware.