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Sewage treatment mixer

A sewage treatment and mixer technology, applied in mixers with rotating mixing devices, mixers, chemical/physical processes, etc., to achieve enhanced mixing effects, increased mixing width, and high stability

Inactive Publication Date: 2019-03-01
李党军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that multiple sewage treatment mixers need to be installed when the square pool is large, and provide a new type of double-impeller sewage treatment mixer. Only one mixer needs to be installed in a large square pool to meet the mixing requirements.

Method used

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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] Such as figure 1 As shown, a sewage treatment mixer includes a submersible motor 1, a double output shaft connected with the submersible motor 1, a reducer 2 and two identical impellers A3 and B4, and the impellers A3 and B4 are respectively connected to the double output The two output shafts of the shaft reducer 2 are connected.

[0014] Such as figure 2 As shown, the blade shapes of impeller A3 and impeller B4 are designed according to the lift line theory, and the appropriate NACA4406-NACA4415 airfoil is selected, with the middle part being large and the two ends being small. The thickness of the blade is uniformly thinned from the root to the top, and the length of the airfoil is uniformly shortened from the root to the top. The flow channel of this twisted airfoil blade can better meet the characteristics of the water flow line, ensuring...

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Abstract

The invention provides a sewage treatment mixer. The sewage treatment mixer is characterized by comprising a submersible motor (1), double output shafts connected with the submersible motor (1), a speed reducer (2), an impeller A (3) and an impeller B (4), wherein the impeller A (3) and the impeller B (4) are connected with two output shafts of the double output shaft speed reducer (2) respectively. When sewage is stirred, four large cycles are formed in a pool under the interaction of the two impellers and the pool wall, stirring width is obviously increased, the stirring volume can be greatly increased, and the stirring effect is obviously enhanced; one motor drives the two impellers through the speed reducer, so that energy is saved; and the device is symmetrical, has high stability during operation, and is safe and reliable.

Description

technical field [0001] The invention relates to a sewage treatment mixer, in particular to a novel double impeller sewage treatment mixer. Background technique [0002] With the rapid development of industry, my country's water resources are seriously polluted, and the country attaches great importance to the prevention and control of the environment. Especially in terms of sewage treatment, my country clearly pointed out in the "Twelfth Five-Year Plan" that we should vigorously improve the capacity of urban domestic sewage and garbage treatment. By 2015, the rate of urban sewage treatment and the rate of harmless treatment of domestic garbage will reach 85% and 80%. Sewage treatment is an important measure for environmental protection departments and enterprises to solve wastewater pollution in environmental pollution. Among them, sewage treatment mixer is an important sewage treatment mixing machine, suitable for urban and rural sewage treatment plants, and widely used in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/00
CPCB01F27/113B01F27/25B01F2101/305
Inventor 李党军
Owner 李党军
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