CN2569899Y

CN2569899Y - Mixing grout

Info

Publication number: CN2569899Y
Application number: CN 02280417
Authority: CN
Inventors: 吴国林; 王跃敏; 方维平; 赵愉生
Original assignee: China Petroleum and Chemical Corp; Sinopec Fushun Research Institute of Petroleum and Petrochemicals
Current assignee: China Petroleum and Chemical Corp; Sinopec Fushun Research Institute of Petroleum and Petrochemicals
Priority date: 2002-10-10
Filing date: 2002-10-10
Publication date: 2003-09-03
Anticipated expiration: 2012-10-10

Abstract

The utility model discloses a stirring paddle which evenly mixes liquid and gas, or liquid and liquid, or liquid and solid in a container. The stirring paddle is composed of a vertical cylindrical stirring shaft and blades connected to the stirring shaft, wherein, the blades thereof are composed of three parts; when the blade on the upper part of the stirring shaft rotates, liquid on the upper part both circularly flows in a horizontal plane and slantways flows downwards; the blade on a middle part is a sheet frame type, when the sheet frame rotates, liquid on the middle part circularly flows in a horizontal plane; when the blade on a lower part rotates, liquid on the lower part both circularly flows in a horizontal plane and slantways flows upwards. The utility model, which has good whole stirring effect, is particularly suitable for the stirring process of materials with a higher liquid level and a great density difference.

Description

A kind of paddle

1, technical field

The utility model relates to the paddle that liquid and gas or liquid and liquid or liquid and pressed powder are mixed in container, particularly relate to the paddle that uses under the higher situation of vessel level.

2, background technology

In chemical industry, medicine production, often run into the mixed problem of liquid and gas or liquid and liquid or liquid and pressed powder, addressing this problem effective ways commonly used is to use paddle in mixer.But the paddle of Shi Yonging only is provided with a pair of blade (Fig. 1) in the agitator bottom the earliest, and the major defect of this paddle is that upper liquid is mobile slow relatively, and mixed effect is relatively poor.In order to remedy this shortcoming, designed plate and frame paddle (Fig. 2) thereafter.But this paddle can only make liquid carry out the horizontal plane circumference to flow, cause easily certain component along vessel axis to there being concentration gradient.Also have a kind of water coal oar mixer in addition, fix two-layer paddle on shaft, two-layer paddle inclination direction is opposite.During stirring, the upper strata paddle produces downward thrust, and lower floor's paddle produces upwards thrust.But the overall mixing effect for larger container is undesirable.

3, summary of the invention

The purpose of this utility model provides a kind of paddle that liquid and gas or liquid and liquid or liquid and pressed powder are efficiently mixed in container.

Paddle of the present utility model comprises shaft and stirs paddle, main feature is to stir paddle and comprises three groups, the paddle of upper and lower position is a vane type, the angle of paddle blade face and shaft is an acute angle, and the inclination direction of the paddle of upper and lower position is opposite, and the top paddle is adopted when rotating and given birth to downward eddy flow, the bottom paddle is adopted when rotating and is given birth to eddy flow upwards, the paddle of medium position is vane type or plate and frame, and the paddle plane is parallel with shaft, adopts the flat eddy flow of unboiled water when rotating.

Paddle of the present utility model has the paddle that presses down with castering action being provided with respectively up and down, can be used to have the stirring of two-phase or multiphase material of density contrast, and be difficult for producing the dead angle, stir, when vessel level is higher, also can use simultaneously, owing at the agitator middle part the bigger paddle of mixing power is set, can makes the mixing effect of bulk container desirable more.

4, description of drawings

Fig. 1 is the paddle structural representation that has single vane type paddle in the prior art;

Fig. 2 is the paddle structural representation that has the plate and frame paddle in the prior art;

Fig. 3 is the utility model paddle structural representation.

5, the specific embodiment

Paddle of the present utility model is made up of with the blade that is connected with shaft a vertical cylindrical shaft, its blade is made up of three parts: the blade at the shaft upper position can be a planar structure, also curved-surface structure, when being planar structure, should have certain inclination angle with shaft, make it when rotating, to adopt and give birth to downward eddy flow, can adopt the flat eddy flow of unboiled water simultaneously; When blade is curved surface, can design and installation be form with downward cyclonic action.The angle of blade and shaft is generally 15～75 °, and the inclination direction of upper and lower paddle blade is opposite, and the inclination angle size can be identical according to the material situation design of stirring, also can be different.The blade of shaft bottom when agitator rotates, produce eddy flow direction and top opposite.The shaft medium position paddle can be the blade of plate and frame or other structure, when agitator rotates, produce level rotary flow.The paddle of upper-lower position can comprise 2～4 single blades, and central panel frame blade can be 1, also can be equally distributed 2～3.The center line of upper blade and the projection of the center line of lower blade on horizontal plane preferably are non-overlapping even distribution.The concrete structure of three paddles, size, mutual alignment and material can specifically be determined according to the size of stirred vessel and the character of stirring material.

Use the designed paddle of the utility model, can make liquid both carry out the horizontal plane circumference and flow, seethe up and down again mobile, thereby improve liquid and gas or liquid and liquid, the perhaps mixed effect of liquid and pressed powder.The utility model can be used for mixing of the material that material, particularly liquid level are higher, density contrast is bigger that various needs stir.

Claims

1, a kind of paddle comprises shaft and stirs paddle, it is characterized in that stirring paddle and comprise three groups, the paddle of upper and lower position is a vane type, the angle of paddle blade face and shaft is an acute angle, and the inclination direction of the paddle of upper and lower position is opposite, and the top paddle produces downward eddy flow when rotating, the bottom paddle produces eddy flow upwards when rotating, the paddle of medium position is vane type or plate and frame, and the paddle plane is parallel with shaft, produces the eddy flow of level when rotating.

2,, it is characterized in that the paddle blade face of described upper and lower position and the angle of shaft are 15～75 ° according to the described paddle of claim 1.

3,, it is characterized in that the angle of the paddle blade face of described upper and lower position and shaft is identical or different according to the described paddle of claim 2.

4, according to claim 1,2 or 3 described paddles, the paddle blade that it is characterized in that described upper and lower position is plane or curved surface.

5,, it is characterized in that the paddle of described upper and lower position comprises 2～4 blades according to the described paddle of claim 1.

6,, it is characterized in that the described upper blade center line and the lower blade line of centres nonoverlapping interval that is projected as on horizontal plane evenly distributes according to the described paddle of claim 5.

7,, it is characterized in that described central panel frame blade is 1 or equally distributed 2～3 according to the described paddle of claim 1.