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1, Summarize
The water is sequencing Batch Reactor Seguencing Batch Reactor (SBR Process Sludge trailer for abbreviation) of sewage treatment will match a mechanical device. Intermittent activated sludge sewage treatment system and common activated sludge, the difference is that the same original sewage not change flows through each treatment unit but discharge to a single reaction in the pool, according to the time sequence to realize the purpose of the different operation, its basic operation procedure by water (fill), reaction (react), precipitation (settle), water (draw) and standby (such as idle) five basic process composition. From sewage into began to standby time to end a cycle. The water through the electric control of time relay and spiral in advance within the device switch, and realize process lead time, the emission standard treatment, quantitative water to achieve continuous SBR pool of sewage treatment the ultimate goal.
2, Elucidation of the classification
According to the structure of the water forms can be divided into mechanical, siphon type, full-revolving floating, simple style, etc from several. At present the more widely used in domestic for rotary (a decanter of mechanical).
2.1 Revolving water decanter were studied
By Bi water YanKou, tubes, mains, 360 ¡ã rotation for the rotary support, sliding support, and drive device, automatic control equipment etc. When work in driving devices, the function of water in the bottom Bi YanKou water decanter turn support for shaft centerline to variable speed under circular motion, in this process the SBR reaction pool of qing liquid will Bi water flows into Bi through YanKou water pipe, then through Bi water mains eduction. Bi water after completion of work, Bi water decanter YanKou to the bottom of the shaft centerline support for turning up more uniformly and in a circular motion, make Bi water YanKou stops in the standby position, to enter the water and biochemical reactions, such as precipitation process again after the completion of the next time Bi water process.
2.2 water decanter buoys
Mainly by the pontoon, Bi conduit, hose, connectors, and stents composition. Working principle based on gravity, buoyancy and flow pressure, thus performance is stable, no maintenance, no power consumption; While general buoys water decanter like revolving water decanter were studied, sleeve water decanter is same, need the elastic, spring by mechanical force, electric power, control components and seal friction, complicated structure, not only need the energy consumption, regular maintenance, there is also easy to cause the incorrect operation, mechanical fault, control components failure and all kinds of trouble.