Gallery type aeration tank
A technology of aeration tanks and corridors, applied in water aeration, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve problems such as blockage of flood water, damage to treatment systems, accumulation of fillers, etc., and achieve economical operation. cost, improve stability, and ensure the effect of mass transfer capacity
Active Publication Date: 2021-11-12
SOUTH CHINA UNIV OF TECH
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Problems solved by technology
The outlet of the aeration tank is often equipped with a screen to avoid the loss of filler, but it is easy to cause blockage and overflow, damage the treatment system, and in actual engineering, local filler accumulation is also easy to occur in the tank
Method used
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[0024] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0025] In describing the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom" etc. indicate an orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.
[0026] Such as Figure 1 to Figure 3 As shown, a co...
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The invention relates to the technical field of sewage treatment, and discloses a gallery type aeration tank, the left side and the right side of a horizontal screen are respectively connected to the left side wall and the right side wall of a tank body, the bottom of an inlet end screen and the bottom of an outlet end screen are respectively connected to the front end and the rear end of the horizontal screen, and the horizontal screen is separated from the bottom wall of the tank body; the two sides of the inlet end screen and the two sides of the outlet end screen are connected with the left side wall and the right side wall of the tank body, the horizontal screen, the inlet end screen, the outlet end screen and the left side wall and the right side wall of the pool body define a filler cavity provided with suspended filler, aeration discs are evenly distributed on the bottom wall of the pool body, and a first perforated pipe network is arranged on the front side of the inlet end screen. A second perforated pipe network is arranged on the rear side of the outlet end screen; the liquid inlet end of a reflux device is arranged at the rear end of the filler cavity, and the liquid outlet end of the reflux device is arranged at the front end of the filler cavity; with the adoption of the equipment, the oxygen utilization rate can be increased, the water treatment effect and treatment capacity are enhanced, and blockage caused by a fluidized suspended filler is effectively prevented.
Description
technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a corridor type aeration tank. Background technique [0002] With the development of society and economy, domestic sewage treatment plant effluent discharge standards continue to increase, and sewage treatment plants need to be upgraded and equipped with corresponding treatment facilities to meet the new standards. However, some sewage treatment plants have limited sites, which makes it difficult or The cost is too high. Therefore, in the existing aeration tank, the suspension filler is added to form the MBBR mud film composite process. By increasing the microbial biomass and microbial population, the biochemical treatment effect of the aeration tank is improved. The collision and shear action of the suspension filler in the water makes the air The air bubbles are finer, which increases the utilization rate of oxygen. In addition, each carrier has different types of or...
Claims
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Login to View More IPC IPC(8): C02F7/00
CPCC02F7/00C02F2201/002Y02W10/10
Inventor 梁仁礼马浩亮王洪艳杨苗青王京玉张相辉
Owner SOUTH CHINA UNIV OF TECH