CN203061092U - Multi-cavity continuous-fluid high-speed mixer - Google Patents

Abstract

The utility model discloses a multi-cavity continuous fluid fast mixer, which comprises a stirring tank, a stirring shaft, a motor and a reduction box, the rotating shaft of the motor is connected with the input shaft of the reduction box, the output shaft of the reduction box is connected with the stirring shaft, The side wall of the mixing tank and the bottom of the mixing tank are provided with a separation layer. The separation layer divides the mixing tank into four connected mixing chambers, and a stirrer is installed on the stirring shaft in each stirring chamber. The top of the mixing tank is provided with a material inlet, and the bottom of the mixing tank is provided with a material outlet. The mixer of the utility model is used for stirring liquids, liquids with high density or high viscosity, and even emulsions containing many solid particles. The stirring liquid is continuously stirred from top to bottom at one time, and the stirring time is short and the efficiency is high. Multiple mixing chambers can give full play to the advantages of various stirrers. According to the viscosity of the stirring material, the frequency conversion motor is selected to control the stirring speed, so as to achieve a better stirring effect, and it is energy-saving and environmentally friendly.

Description

Multi-chamber continuous fluid fast mixer

technical field

The utility model belongs to the field of mixing machinery, in particular to a multi-cavity continuous fluid fast mixer.

Background technique

At present, there are many kinds of stirring equipment, and its structure is mainly composed of a transmission device, a stirrer, a stirring shaft, and a stirring container. The mixing barrel of commonly used mixing equipment is vertical cylindrical or horizontal cylindrical, the internal structure of the mixing barrel is single-chamber, and the stirring blade is a single-acting structure blade. Most liquid mixers are batch mixers, the swirling phenomenon of the liquid in the mixing container is serious, the liquid flows periodically, the mixing is slow, the stirring time is long, and the efficiency is low. For liquids with large density differences, or even solid particles, it is difficult to ensure the stirring quality of existing mixers, and the stirring efficiency is relatively low. In order to improve the stirring efficiency, make the materials continuously stirred and fully and evenly mix, and reduce or eliminate the phenomenon of liquid swirling, the present invention proposes to design a multi-cavity continuous fluid rapid stirring equipment.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the utility model is to provide a multi-cavity continuous fluid fast mixer suitable for mixing several substances with large density differences or containing solid particles.

In order to realize above-mentioned task, the utility model adopts following technical scheme to realize:

A multi-chamber continuous fluid fast mixer, including a stirring tank, a stirring shaft, a motor and a gearbox, the motor shaft is connected to the input shaft of the gearbox, the output shaft of the gearbox is connected to the stirring shaft, and the side of the stirring tank Both the circumference of the wall and the bottom of the mixing tank are provided with a separation layer, which divides the mixing tank into four connected mixing chambers;

The four connected stirring chambers are successively the first stirring chamber, the second stirring chamber, the third stirring chamber and the fourth stirring chamber from the top of the stirring tank to the bottom of the stirring tank; the first stirring chamber The first stirrer is installed on the stirring shaft of the second stirring chamber, the second stirrer is installed on the stirring shaft of the second stirring chamber, the third stirrer is installed on the stirring shaft of the third stirring chamber, and the stirring of the fourth stirring chamber A fourth agitator is installed on the shaft;

The top of the mixing tank is provided with a material inlet, and the bottom of the mixing tank is provided with a material outlet.

The utility model also has the following technical characteristics:

The motor is a variable frequency motor.

A backing plate is laid between the top of the mixing tank and the reduction box.

The top of the stirring tank is a detachable flat cover, and the feed inlet is arranged on the flat cover.

The height of the stirring tank is greater than 1.5 times the diameter.

The separation layer arranged on the inner wall of the stirring tank is formed by reverse welding of two arc-shaped circular steel plates, and the separation layer arranged at the inner bottom of the stirring tank is a piece of arc-shaped circular steel plate.

The first agitator is a propulsion agitator.

The second agitator is a radial agitator.

The third agitator is a paddle type straight blade agitator.

The fourth agitator is a propulsion agitator.

The mixer of the utility model is used for mixing liquids, liquids with high density or high viscosity, and even emulsions containing many solid particles. The stirring liquid is continuously stirred from top to bottom at one time, and the stirring time is short and the efficiency is high. Multiple mixing chambers can play the advantages of various stirrers. According to the viscosity of the stirring material, the frequency conversion motor is selected to control the stirring speed, so as to achieve a better stirring effect, and it is energy-saving and environmentally friendly.

Description of drawings

Fig. 1 is a schematic cross-sectional view of the overall structure of the utility model.

Fig. 2 is a schematic diagram of the A-A section structure of the stirring tank.

Figure 3 is a schematic structural view of a propulsion stirrer.

Fig. 4 is a structural schematic diagram of a radial agitator.

Fig. 5 is a schematic structural view of a paddle-type straight blade agitator.

The meaning of each label in the figure is: 1-motor, 2-reduction box, 3-backing plate, 4-stirring tank, 5-inlet, 6-separation layer, 7-outlet, 8-flat cover, 9 -the first stirring chamber, 10-the first stirring chamber, 11-the second stirring chamber, 12-the second stirring chamber, 13-the third stirring chamber, 14-the third stirring chamber, 15-the fourth stirring chamber Body, 16-the fourth stirrer, 17-stirring shaft.

Below in conjunction with accompanying drawing and embodiment the concrete content of the present utility model is described in further detail.

Detailed ways

The specific embodiments of the present utility model are provided below, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solution of the application all fall into the protection scope of the present utility model.

According to the above technical scheme, as shown in Figures 1 to 5, a multi-cavity continuous fluid fast mixer includes a stirring tank 4, a stirring shaft 17, a motor 1 and a reduction box 2, the rotating shaft of the motor 1 and the speed reduction box 2 The input shaft is connected, the output shaft of the reduction box 2 is connected with the stirring shaft 17, and the side wall circumference in the stirring tank 4 and the bottom in the stirring tank 4 are all provided with a separation layer 6, and the separation layer 6 separates the stirring tank into four Connected stirring chamber;

The four connected stirring chambers are successively the first stirring chamber 9, the second stirring chamber 11, the third stirring chamber 13 and the fourth stirring chamber 15 from the top of the stirring tank 4 to the bottom of the stirring tank 4 The first stirrer 10 is installed on the stirring shaft 17 of the first stirring chamber 9, the second stirrer 12 is installed on the stirring shaft 17 of the second stirring chamber 11, and the stirring shaft 17 of the third stirring chamber 13 A third stirrer 14 is installed, and a fourth stirrer 17 is installed on the stirring shaft 16 of the fourth stirring cavity 15;

The top of the stirring tank 4 is provided with a feed inlet 5 , and the bottom of the stirring tank 4 is provided with a discharge port 7 .

The motor 1 is a variable frequency motor, which is used to control the stirring speed according to the viscosity of the stirring material, so as to achieve a better stirring effect.

A backing plate 3 is laid between the top of the mixing tank 4 and the reduction box 2 .

The top of the mixing tank 3 is a detachable flat cover 8, and the feed inlet 5 is arranged on the flat cover 8, which provides support for the motor 1 and the reduction box 2; Easy installation and maintenance.

The height of the stirring tank 4 is greater than 1.5 times the diameter. The filling height-to-diameter ratio of the mixing tank 4 has a great influence on the stirring power, heat transfer and material stirring reaction characteristics. After determining the liquid filling height-to-diameter ratio, as long as the height and diameter of the stirring tank 4 are within the requirements of the liquid filling height-to-diameter ratio within the range.

The separation layer 6 arranged on the inner side wall of the stirring tank 4 is formed by reverse welding of two arc-shaped circular steel plates, and the separation layer 6 arranged at the inner bottom of the stirring tank 4 is a piece of arc-shaped circular steel plate. The separation layer 6 is the separation interface of the stirring chamber. The separation layer 6 makes the stirring chamber all arc-shaped, eliminating the dead angle of stirring. flow of materials.

The first stirring chamber 9 is because at the top, the stirring material cannot be filled, so the first stirring chamber 9 is slightly larger than the second stirring chamber 11 and the third stirring chamber 13; the second stirring chamber 11 and the third stirring chamber The three stirring chambers 13 have the same size; the fourth stirring chamber 15 is the chamber where the discharge port 7 is located, so the fourth stirring chamber 15 is slightly larger than the second stirring chamber 11 and the third stirring chamber 13 .

The first agitator 10 adopts a propulsion agitator, which is used for axially propelling and dispersing the material that has just entered the mixing tank 4 .

The second agitator 12 is a radial agitator for radially dispersing the stirred materials.

The third agitator 14 is a paddle-type straight-bladed agitator for axially and radially dispersing the agitated materials.

The fourth agitator 16 is a propulsion agitator, which is used to make the stirred material flow out rapidly along the axial direction.

The working process of the present utility model is as follows:

Turn on the motor 1 before stirring, and the motor 1 drives the stirring shaft 17 to rotate through the reduction box 2. The stirring material is injected from the feed port 5 and enters the first stirring chamber 9. The stirring material is sucked from the top of the first agitator 10 and discharged into the second stirring chamber 11 in a cylindrical spiral along the axial direction of the stirring shaft 17. , the stirring material entering the second stirring chamber 11 is dispersed by the second stirrer 12, and dispersed along the radial flow of the stirring tank 4, and the stirring material flows into the third stirring chamber 13 along the edge of the separation layer 6, and the third stirring The device 14 disperses the stirring material axially and radially to fully disperse the stirring material and reduce the swirling phenomenon of the stirring material. The stirred material finally enters the fourth stirring cavity 15 , passes through the fourth agitator 16 , makes the stirred material flow downward in the axial direction, and the stirred material flows out from the outlet 7 at the bottom of the mixing tank 4 .

During the stirring process, the motor 1 can control the rotating speed of the stirring shaft 17, and adjust the rotating speed according to the viscosity of the specific material. The stirring material is continuously injected from the feed port 5, and after being fully dispersed in the stirring tank 4, it is continuously output from the discharge port 7. Therefore, rapid and continuous stirring is realized for the stirring materials during the stirring process, the stirring time is reduced, and the stirring efficiency and stirring quality are improved.

Claims (10)

1. multi-cavity body continous way fluid quick mixer, comprise agitator tank (4), shaft (17), motor (1) and reduction box (2), the rotating shaft of motor (1) links to each other with the power shaft of reduction box (2), the output shaft of reduction box (2) links to each other with shaft (17), it is characterized in that, sidewall in agitator tank (4) circumferentially and the bottom in the agitator tank (4) be provided with separate layer (6), separate layer (6) is separated into agitator tank (4) the stirring cavity of four connections;

The stirring cavity of described four connections is followed successively by first from agitator tank (4) top to agitator tank (4) bottom and stirs cavity (9), the second stirring cavity (11), the 3rd stirring cavity (13) and the 4th stirring cavity (15); On the shaft (17) of the first stirring cavity (9) first agitator (10) is installed, on the shaft (17) of the second stirring cavity (11) second agitator (12) is installed, on the shaft (17) of the 3rd stirring cavity (13) the 3rd agitator (14) is installed, on the shaft (17) of the 4th stirring cavity (15) the 4th agitator (16) is installed;

Agitator tank (4) top is provided with charging aperture (5), and agitator tank (4) bottom is provided with discharging opening (7).

2. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that described motor (1) is variable-frequency motor.

3. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, is equipped with backing plate (3) between described agitator tank (4) top and the reduction box (2).

4. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that described agitator tank (4) top is dismountable flat cover (8), and charging aperture (5) is arranged on the flat cover (8).

5. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, the height of described agitator tank (4) is greater than 1.5 times diameter.

6. multi-cavity body continous way fluid quick mixer as claimed in claim 1, it is characterized in that, the described separate layer (6) that is arranged on agitator tank (4) madial wall is that two arc ring steel plate left-hand threads are welded, and the separate layer (4) that is arranged on agitator tank (4) inner bottom part is a slice arc ring steel plate.

7. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, described first agitator (10) adopts propeller agitator.

8. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, described second agitator (12) adopts the radial agitator.

9. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, described the 3rd agitator (14) adopts the straight leaf agitator of oar formula.

10. multi-cavity body continous way fluid quick mixer as claimed in claim 1 is characterized in that, described the 4th agitator (16) adopts propeller agitator.

Images