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What is screen filtration dehydration? Without considering the difference of dewatering machinery, the dehydration performance of sludge is mainly determined by the following aspects: 1. the size and density of sludge particles are based on the stourke formula. the larger the particles, the greater the density, and the faster the sedimentation, the easier it is to dehydrate. 2. the viscosity of the sludge bacteria form a bacteria glue group, which wraps the water into it, and it is difficult to separate it through mechanical dehydration. 3. on the one hand, the dosage of the agent is able to make the sludge particle bridging and flocculation, which is easy to dehydrate. on the other hand, the viscosity of the sludge becomes larger, making the mud cake become elastic and Q, further dehydration of sludge mud cake is hindered.

How can the filtration effect be good when irrigation? Drip irrigation will have a certain pressure of water,After filtration, the drip irrigation system and the drip device drip evenly and slowly into the local irrigation technology of the soil near the root of the plant.Drip irrigation has the advantages of water saving, uniform irrigation, energy saving, strong adaptability of soil and terrain, increasing production, saving labor and convenient field operation;The main drawback is the high investment,Easily blocked,High requirements for water quality.It is mainly suitable for irrigation in areas where fruit trees, vegetables, flowers, greenhouses and other economic crops and water sources are extremely short, high-lift pumping irrigation areas and areas with large terrain fluctuations,At the same time, there are certain development prospects for sandy soil with strong permeability and poor water retention and salt water areas.Drip irrigation systems are generally composed of water sources, he