Rotary barrel type sewage precipitator with inclined plate

Abstract

The invention provides a rotary barrel type sewage precipitator with an inclined plate, which can be used for accelerating a precipitation process in sewage treatment, clarifying a water body and improving the sewage treatment effect. According to the rotary barrel type sewage precipitator, a movable barrel which is internally provided with overlapped and arrayed parallel arc-shaped plate sets is eccentrically and fixedly arranged on a rotary shaft; a plurality of shallow-layer precipitation tanks with great length are formed by gaps between the adjacent arc-shaped plates; the water body to be treated and deposited sediments move mutually stably and are separated in a precipitation shallow layer. When the rotary shaft rotates, the radius vectors from a rotary center to all tank walls are different and an eccentric barrel wall carries out displacement in the radial direction (the radial distance from the barrel wall to the rotary center is lengthened or shortened); the shape of the barrel wall enforces fluid to centrifugally or concentrically flow to form continuous fluid layer flow movement; retardation balance is damaged continuously and floc cores are contacted, collided, adhered and polymerized mutually to form dense floc which separated from water; raw mater is clarified and purified. The rotary barrel type sewage precipitator is rotated around the rotary shaft, and shearing flow is formed on the tank walls and has a flushing effect on sludge; the possible sludge and blocks can be cleaned very conveniently.

Description

technical field [0001] The invention relates to a rotary drum type sewage precipitator with inclined plates which can speed up the sedimentation process in sewage treatment, clarify water body and improve the sewage treatment effect. Background technique [0002] In recent years, with the rapid development of my country's economy, the discharge of urban sewage has continued to increase, and the urban water environment has been seriously polluted. The sewage problem has become a serious environmental and economic problem in China. Due to the high cost of sewage treatment and unsustainable financial investment, the rate of sewage treatment in my country is very low. The cost and efficiency of sewage treatment have greatly restricted the development of sewage treatment industry. Therefore, researching and developing low-cost, fast-speed and high-efficiency new sewage treatment processes and new equipment is the development direction of the sewage treatment industry. [0003] S...

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Problems solved by technology

[0023] In order to solve the problem that the traditional sedimentation structure is fixed, gravity settlement can only be achieved passively, and the sedimentation stagnation area cannot be eliminated, and the efficiency is low; and it is difficult to discharge mud, and it is necessary to configure additional special equipment for mud removal, which is costly; the inclined tube sedimentation tank is The ability to adapt to water impact load and water temperature change is not strong; the traditional sloping plate (pipe) is prone to sludge adhesion and blockage, which affects the sedimentation effect. technology, the movable sewage settler with sloping plate is eccentrically fixedly connected to the rotating shaft

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