Submersible mixer with cutting function

A submersible mixer, belt cutting technology, applied in the direction of aerobic process treatment, sustainable biological treatment, etc., can solve the problems of easy entanglement of dirt fibrous dirt, easy entry of particulate impurities, easy damage of mechanical seals, etc., to achieve mechanical seal Good, prevents dirt from entanglement, and protects mechanical seals

Active Publication Date: 2013-04-03
浙江丰球克瑞泵业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Dirt, especially fibrous dirt, is easy to entangle, resulting in motor overload;
[0005] 2. Particle impurities are easy to enter the mechanical seal chamber, resulting in easy damage to the mechanical seal

Method used

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  • Submersible mixer with cutting function
  • Submersible mixer with cutting function
  • Submersible mixer with cutting function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] like figure 1 Shown: the preferred embodiment 1 of the present invention includes a submersible motor 1, a rotating shaft 2 arranged at the output shaft end of the submersible motor 1, a bearing seat 3 arranged on the outer circumference of the rotating shaft 2, a mechanical seal seat 5 arranged below the bearing seat 3, and the rotating shaft 1. The fixedly connected propeller 6 also includes a cutting device. The cutting device is composed of a fixed knife 7 and a rotating knife 8 that fit in clearance. The fixed knife 7 is arranged on the mechanical seal seat 5, and the rotating knife 8 is arranged on the propeller 6. The area is located at the inlet of the propeller 6 .

[0023] The fixed knife 7 is connected with the mechanical seal seat 5 and the bearing seat 3 through the screw 20, and the rotary knife 8 is connected with the propeller 6 through a tight fit. The propeller 6 is coaxial with the submersible motor 1. When working, the submersible motor 1 drives the ...

Embodiment 2

[0025] Preferred Embodiment 2 of the present invention: the basic structure is the same as that of the preferred embodiment 1, the difference is that the number of cutting grooves 9 is 18, the number of water passages 10 on the rotary knife 8 is 5, and the shafts of the guide rings 11 and 12 are The inclination angle is 50°.

Embodiment 3

[0026] Preferred Embodiment 3 of the present invention: the basic structure is the same as that of the preferred embodiment 1, the difference is that the number of cutting grooves 9 is 24, the number of water passages 10 on the rotary knife 8 is 5, and the shafts of the guide rings 11 and 12 are The inclination angle is 60°.

[0027] In the present invention, since the fixed knife 7 and the rotary knife 8 are matched with a gap, and the gap is small, before the dirt enters the inlet side of the propeller 6, the guide rings 11 and 12 of the rotary knife 8 are first introduced into the cutting area and cut, and the fixed knife The number of cutting grooves 9 on 7 is relatively large, ranging from 12 to 24, and the number of water passing grooves 10 on the rotary knife 8 is 3 to 5. Therefore, the dirt of the present invention is cut more than 300 times per second, so The cutting effect is good, and the dirt is effectively chopped, thereby effectively preventing the dirt from wrap...

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PUM

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Abstract

The invention discloses a safe and reliable submersible mixer with cutting function, which can effectively prevent the winding of dirt and avoid the motor overload, and has favorable mechanical sealing. The mixer comprises a submersible motor, a rotation shaft arranged at the output shaft end of the submersible motor, a bearing seat arranged at the peripheral region of the rotation shaft, a mechanical sealing seat arranged below the bearing seat, a propeller fixedly connected with the rotation shaft, and a cutting device consisting of a fixed knife and a rotary knife in clearance fit, whereinthe fixed knife is arranged on the mechanical sealing seat while the rotary knife is arranged on the propeller; and a cutting area is arranged at the inlet of the propeller. The invention is suitablefor the submersible mixer.

Description

technical field [0001] The invention relates to a sewage treatment equipment, in particular to a submersible mixer. Background technique [0002] In the prior art, submersible mixers are mainly divided into mixing and stirring type submersible mixers and push flow type submersible mixers, which are mainly used in biochemical reaction tanks of modern sewage plants. The main functions of submersible mixers are stirring, pushing flow, suspension, homogenization, and Prevent sludge from settling. The existing submersible mixer has the characteristics of compact structure, large thrust, wide mixing area, convenient operation and maintenance, etc., so it is widely used in sewage treatment projects. [0003] However, with the deepening of sewage treatment technology and the expansion of application fields, especially the application of submersible mixers in industrial and mining enterprises and agricultural environmental protection, the existing submersible mixers mainly have the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/02
CPCY02W10/10
Inventor 何智锋徐乃江魏汤尧
Owner 浙江丰球克瑞泵业有限公司
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