CN211636069U

CN211636069U - Stirring paddle

Info

Publication number: CN211636069U
Application number: CN201921651557.6U
Authority: CN
Inventors: 孙永军; 刘猛; 王晨曦; 米拉; 王卓; 赵建港
Original assignee: China University of Mining and Technology Beijing CUMTB
Current assignee: China University of Mining and Technology Beijing CUMTB
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-10-09
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a stirring paddle, including top stirring paddle leaf, below stirring paddle leaf and (mixing) shaft, top stirring paddle leaf, below stirring paddle leaf use in pairs, and equal trompil on top stirring paddle leaf, the below stirring leaf, top stirring paddle leaf are installed on the (mixing) shaft with certain angle, and top stirring paddle leaf installation angle scope is 20 degrees<θ₁<70 degrees, the lower stirring paddle is arranged on the stirring shaft at a certain angle, and the installation angle range of the lower stirring paddle is 20 degrees<θ₂<70°。

Description

Stirring paddle

Technical Field

The utility model belongs to the technical field of agitator stirring rake and specifically relates to paddle formula stirring rake.

Background

The stirrer is used for stirring and mixing materials, wherein the stirring blade is an important component of the stirrer. Basic stirring blade types include paddle stirring blades, turbine stirring blades, propeller stirring blades. The flow field generated by the fluid under the rotation of the stirring blade has two forms of radial flow and axial flow. At present, the stirring paddle used in production and scientific research has some defects, and in the rotating process of the stirring paddle, the mixed fluid generates single radial flow or axial flow, so that the fluid mixing efficiency is low. In addition, the stirring blades used in production and scientific research mainly have a pushing effect on the mixed fluid in rotation, so that the mass transfer coefficient of the fluid cannot be further improved, and the turbulence degree of the fluid cannot be increased. Therefore, there is a need in the market for a blade that can simultaneously generate radial flow and axial flow while enhancing the degree of turbulence in the fluid.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a trompil, top paddle and below paddle installation angle are opposite on the paddle, top paddle and the stirring paddle blade that the below paddle used in pairs.

The utility model discloses a following technical scheme realizes:

1. a stirring paddle comprises an upper stirring paddle, a lower stirring paddle and a stirring shaft, and is characterized in that,

the upper stirring paddle is provided with a hole, and the upper stirring paddle is arranged on the stirring shaft at a certain angle;

the lower stirring paddle is provided with a hole, and is arranged on the stirring shaft at a certain angle;

the upper stirring blades and the lower stirring blades are used in pairs, and the number of the upper stirring blades and the number of the lower stirring blades are equal;

the mounting angle of the upper stirring paddle is that the included angle between the paddle and the horizontal direction is 20 DEG<θ₁<70 degrees; the installation angle of the lower stirring paddle is that the included angle between the paddle and the horizontal direction is 20 DEG<θ₂<70°。

The open pores may be square, circular or irregularly shaped.

The upper stirring blade can be 2 blades, 3 blades, 4 blades or multiple blades; the lower stirring blade can be 2 blades, 3 blades, 4 blades or multiple blades.

The shape of the upper opening of the upper stirring blade and the shape of the upper opening of the lower stirring blade can be the same or different.

The mounting angles of the upper stirring blade and the lower stirring blade can be the same or different.

Drawings

Fig. 1 is a schematic view of the present invention, in which the upper stirring blade is 2 blades and the lower stirring blade is 2 blades;

fig. 2 is a left-side view schematic diagram of the blade installation angle when the upper stirring blade and the lower stirring blade of the utility model are in the form of fig. 1.

Detailed Description

For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a stirring blade, which includes a stirring shaft 1,

upper stirring blades

3 and 6, and lower stirring blades 4 and 5. The

upper stirring blades

3 and 6 are arranged on the stirring shaft 1 at a certain angle, and the installation angle is theta₁Therein at 20 °<θ₁<70 degrees; the lower stirring blades 4 and 5 are arranged on the stirring shaft 1 at a certain angle, and the installation angle is theta₂Therein at 20 °<θ2<70 degrees. The upper stirring blade is provided with a hole 2 which can be a square hole; the lower stirring blade is provided with a hole, and the hole can be a square hole. The upper stirring paddle and the lower stirring paddle are used in pairs.

Claims

1. The utility model provides a stirring paddle leaf, includes top stirring paddle leaf, below stirring paddle leaf and (mixing) shaft, its characterized in that:

the upper stirring paddle is provided with a hole and is arranged on the stirring shaft;

the lower stirring paddle is provided with a hole, and is arranged on the stirring shaft;

the upper stirring paddle and the lower stirring paddle are used in pairs;

the mounting angle of the upper stirring paddle is that the included angle between the paddle and the horizontal direction is 20 DEG<θ₁<70 degrees; the mounting angle of the lower stirring blade is the blade andthe included angle range of the horizontal direction is 20 DEG<θ₂<70°。

2. The stirring blade according to claim 1, wherein the openings are square, circular or irregularly shaped.

3. The stirring blade according to claim 1 or 2, wherein the upper stirring blade is 2 blades, 3 blades, 4 blades, or multiple blades; the lower stirring blade can be 2 blades, 3 blades, 4 blades or multiple blades.

4. The stirring blade according to claim 2, wherein the shape of the upper opening of the upper stirring blade and the shape of the upper opening of the lower stirring blade may be the same or different.

5. The stirring blade according to claim 1 or 2, wherein the mounting angle of the upper stirring blade and the mounting angle of the lower stirring blade may be the same or different.