Apparatus for aerating effluents

专利摘要:

公开号:SU1058504A3
申请号:SU802897652
申请日:1980-03-25
公开日:1983-11-30
发明作者:Штэлер Тео
申请人:Тео Штвлер (ФРГ);；
IPC主号:

专利说明:

This invention relates to biochemical wastewater treatment by biofiltration. A device for aerating sewage is known, which contains a horizontal shaft installed in a tank with a rotor partially immersed in liquid in the form of a hollow body divided by rschialnye partitions into biooxidation chambers having ribs located coaxially along the periphery of the radial partitions with through channels between them l. However, the known device does not provide deep aeration of wastewater. The purpose of the invention is to increase the efficiency of using the device by intensifying the process of exchange decomposition. This goal is achieved by the fact that in a sewage aeration device containing a horizontal shaft installed in a tank with a rotor partially immersed in a liquid in the form of a hollow body divided by radial baffles, no bio-oxidation chamber is located coaxially along the periphery of the body and attached to the outer the ends of the radial partition walls are ribs with through channels between them, the rotor is equipped with additional radial partitions that do not reach the edges of the biooxidation chambers. In the horizontal shaft, holes are made, located between the radial partition of the bottom along the direct rotation and an additional radial partition in each biooxidation chamber. In addition, the device is provided with carcasses attached to the outside of the ribs. FIG. G shows the proposed device, top view; in fig. 2, section A-A in FIG. 1, in FIG. 3 embodiment of the device. The device comprises a rectangular-shaped tank 1 with a semicircular bottom 2 having racks 3 and 4. In the tank 1 a hollow body 5 is placed in the form of a drum, twelve-angled in cross section. Hollow body 5. has a hollow shaft 6 supported by bearings 7 and 8. Arrow B shows the direction of rotation of the body. When the cleaned fluid 9 fills the tank 1, the body 5 protrudes 1/41/3 of its diameter above its surface. The housing 5 is divided by radial partitions 10-1 into bio-oxidation chambers 16-21, which are closed from the sides by walls 22 and 23 and have through channels 24-29. These channels are formed by ribs 30-41-, of which the ribs 36-41 are shortened. In the biooxidation chambers placed. additional radial partitions 42-47 lying on the bisectors of the angles formed by the main partitions of the bio-oxidation chambers. In the hollow shaft 6, holes 48-53 are provided, which ensure penetration of the treated water and air into the shaft. Deposition plates 54 are installed in the biooxidation chambers, which have a wavy surface. Pockets 56 formed by walls 57-62 can be installed between the partitions of the bio-oxidation chambers while rotating the rotor of the bio-oxidation chambers, and a slot 63 is located between the walls 61 and 62. The device works as follows. When the rotor is immersed in a liquid, air is trapped by the chambers 16-21 of the biooxidation and is involved in the oxidation process. Volumes of air are transported right up to the bottom of the tank, and then discharged from the air bubbles 55 into the liquid to be purified, improving the aeration of the liquid. The air captured by the pockets 56, when this part of the rotor passes through the lowest point, partially escapes through the cutout 63, aerating the water, and partially accumulates in the pocket between the walls 59 and 61 and affects the operation of the drive to lift the rotor. The proposed wastewater aeration device allows to intensify the process of exchange decomposition by involving additional air, as well as to reduce the energy consumption for the rotor drive.

权利要求:
Claims (3)
[1]
1. DEVICE FOR WASTE WATER AERATION, comprising a horizontal shaft installed in the tank with a rotor partially immersed in the liquid in the form of a hollow body separated by radial baffles: on biooxidation chambers that are located coaxially around the periphery of the body and attached to the outer rails with through channels between them, characterized in that, in order to increase the efficiency of use by intensifying the process of exchange decomposition, the rotor is equipped with additional radial partitions, not reaching to the ribs of the biooxidation chambers
[2]
2. The device according to claim 1, wherein the holes are made in the horizontal shaft, located between the front radial partition in the direction of rotation and the additional partition in each biooxidation.
[3]
3. The device POPP; 1 characterized in that it is equipped with external mounted to the radar camera and 2, about which it
SU "1058504 relates to wastewater by aeration biochemical method

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE2911975A|DE2911975C2|1979-03-27|1979-03-27|Device for converting foreign substances contained in sewage or sewage sludge, in particular pollutants, into harmless substances|

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