CN205379833U - Many vortex agitator - Google Patents

Abstract

The utility model discloses a multi-vortex stirrer, the outer wall of the stirring kettle is provided with a jacket, the inner axis of the stirring kettle is provided with a group of spiral double-belt stirring paddles, and multiple sets of single spiral ribbons are arranged around the spiral double-band stirring paddles. The top of the stirring tank is connected to the vacuum pump through the vacuum nozzle. The upper middle part of the spiral double-belt stirring paddle is a spiral double-belt shape, and the lower part is composed of a double-blade stirring paddle that is tangent to the bottom arc of the stirring tank. The helical direction of the slurry surface of the double-ribbon stirring impeller is opposite to that of multiple groups of helical ribbon-shaped stirring impellers. The utility model can realize forward and reverse vortex mechanical stirring of high-viscosity protein materials in a low-shear environment at a low stirring speed, and at the same time, the active ingredients are not damaged, and the low-speed stirring can effectively reduce the bubbles generated by the stirring, and can It meets the needs of preheating, dissolving and even sterilization before uniform mixing of highly viscous materials.

Description

A multi-vortex mixer

technical field

The utility model relates to a stirrer, in particular to a stirrer capable of not only shearing intolerable high-viscosity linear protein mixed gel, but also stirring and heating sterilization, and belongs to the technical field of biomechanics.

Background technique

Regarding the stirring of the high-viscosity mixture liquid, the traditional conventional mechanical stirring device, whether it is a paddle type or a filter screen type, will cause problems such as a large number of bubbles and uneven stirring in the system feed liquid; if it is to achieve a high uniformity stirring effect , often use a homogenizer or a colloid mill, but both of them will generate high shear force during work. Although the material liquid will be effectively emulsified and dispersed, it is inevitable for materials that are not resistant to shear. It will not be destroyed by crushing and lose its efficacy, especially for the material system containing high molecular protein. In addition, the high-viscosity protein mixing system is different from the general gel system. During the mixing process, heat treatment is often required, such as solubilization, degassing, and sterilization. In the chemical production, the process is greatly optimized and the cost is reduced. Therefore, there is an urgent need for a stirring and heating device that can not only stir the high-viscosity protein mixture material with shear intolerance uniformly without bubbles, but also can perform suitable heat treatment.

Contents of the invention

The purpose of this utility model is to provide a multi-vortex agitator suitable for large-scale production of high-viscosity protein mixing system, which can mix high-viscosity protein that is not tolerant to shear force under the action of low shear force The material liquid can be uniformly mixed without air bubbles, and the heat treatment and moist heat sterilization of the material liquid can be realized according to specific needs.

The utility model realization process is as follows:

A multi-vortex stirrer, the outer wall of the stirring tank 8 is provided with a jacket 1, the inner axis of the stirring tank 8 is provided with a set of helical double-ribbon stirring paddles 6, and multiple groups of single helical ribbons are arranged around the helical double-ribbon stirring paddles 6 Shaped stirring paddle 2, the top of the stirred tank 8 is connected with the vacuum pump 15 through the vacuum nozzle 14.

The upper middle part of the helical double-ribbon stirring impeller 6 is helical double-ribbon-shaped, and the lower part is composed of a double-blade agitating impeller tangent to the bottom arc of the stirring tank 8 .

The helical direction of the double-ribbon stirring paddle 6 is opposite to that of multiple groups of single-helical ribbon-shaped stirring paddles 2 . When working, the high-viscosity mixed liquid not only plays the role of rotating, pulling and stirring, but also produces forward and reverse vortex stirring at the same time during the stirring, so as to achieve in-situ spiral stirring and realize multi-vortex stirring, so as to realize low-shear and non-toxicity of materials. Uniform mixing of air bubbles, all materials are stainless steel or non-toxic engineering plastics.

The driving gear 18 located at the center of the shaft and multiple sets of driven gears 16 meshing with it drive the helical double-belt-shaped stirring paddles 6 and multiple sets of single-helical ribbon-shaped stirring paddles 2 to rotate respectively. Multiple groups of single-helical ribbon-shaped stirring paddles 2 are evenly distributed on a circle that is 2/3 radius away from the axis line between the axis line and the kettle wall. The driving gear 18 drives the driving shaft A22 to rotate through the stirring motor 11 fixed on the tank top, and the driven gear 16 is fixed on the frame 23 framed by the static shaft A24 and the static shaft B21 above the driving gear. The lower part of the driven gear 16 is connected to the moving shaft B26 of the single helical ribbon-shaped stirring paddle 2 through an inverted cone weldment 25 .

The upper part of the jacket 1 of the utility model has a water vapor inlet 7 and a water vapor outlet 17, and the lower part is provided with an emptying port 20 to realize heating and sterilization of materials in the stirring tank 8. The top of the stirred tank 8 is provided with a temperature electrode probe port 9, a feed port 10, a pH value electrode probe port 12 and a sight glass 13, and a discharge port 19 is provided at the bottom to realize the addition, detection and discharge of materials in the stirred tank 8.

The new type of gel stirrer with the unique design above has the following remarkable effects when dealing with high-viscosity shear-intolerant mixed materials: (1) The spiral ribbon-shaped stirring blade can achieve low stirring speed at low stirring speed. While the positive and reverse vortex mechanical stirring of high-viscosity protein materials in the shear environment, the active ingredients are not damaged; (2) low-speed stirring can effectively reduce the bubbles generated by stirring; (3) vacuuming measures can make the stirring (4) It can meet the requirements of preheating, dissolving or even sterilization treatment before uniform mixing of high-viscosity material liquid; (5) When stirring under moderate heating, it can effectively reduce the viscosity of the mixed material and reduce the Bubble generation. In order to obtain the best effect of stirring and degassing, heating, stirring and vacuuming can be carried out at the same time, and the regulation of heating temperature can be realized through the monitoring of jacket circulating water and temperature probe. Experiments have shown that after being processed by the above-mentioned equipment, the low-shear resistant high-viscosity protein mixture material can be mixed uniformly without obvious air bubbles remaining. The utility model has a relatively simple structure, is easy to implement, and has remarkable effects. It not only reduces the impact of high shear on protein denaturation caused by pure mechanical stirring, but also ensures the homogeneous mixing of the high-viscosity protein mixture material system.

Description of drawings

Fig. 1 is the structural representation of the utility model agitator;

Fig. 2 is the layout sketch map of driving gear and driven gear of the agitator of the present utility model;

Fig. 3 is a schematic diagram of the combined structure of the stirring paddle, the driving gear and the driven gear of the agitator of the present invention;

In the above drawings, 1—jacket, 2/3/4/5—single helical ribbon stirring impeller, 6—helical double ribbon stirring impeller, 7—water vapor inlet, 8—stirring tank, 9—temperature electrode probe port , 10—feeding port, 11—stirring motor, 12—pH electrode probe port, 13—sight mirror, 14—vacuumizing nozzle, 15—vacuum pump, 16—stirring driven gear, 17—water vapor outlet, 18—driving gear, 19—feeding port, 20—empty port, 21—static shaft B, 22—moving shaft A, 23—steel frame, 24—static shaft A, 25—inverted cone weldment, 26—moving shaft B.

detailed description

In order to illustrate the utility model in detail, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Figure 1-3, a new type of multi-vortex tank agitator for linear protein high viscosity system includes a jacket 1 and a stirring tank 8, the outer wall of the stirring tank 8 is provided with a jacket 1, and there are five A group of stirring paddles, one group is a spiral double-ribbon stirring paddle 6 composed of a spiral double-belt stirring paddle in the upper middle part and a double-blade stirring paddle tangent to the arc of the bottom of the kettle, and the other four groups are evenly distributed around the axis line and the bottom of the kettle. The single helical ribbon-shaped stirring paddles 2/3/4/5 on a circle of 2/3 radius from the axis line between the walls are respectively driven by the driving gear 18 located on the axis of the stirring tank 8 and four sets of secondary gears meshing with it. Driven gear 16 drives and rotates in original position. The driving gear 18 drives the driving shaft A22 to rotate through the stirring motor 11 fixed on the tank top, and the driven gear 16 is fixed on the frame 23 framed by the static shaft A24 and the static shaft B21 above the driving gear. The lower part of the driven gear 16 is connected to the driving shaft B26 of the single helical ribbon-shaped stirring paddle 2/3/4/5 through the inverted cone weldment 25, and the driven gear 16 is driven by the driving gear 18 to drive the driving shaft B26 to drive the surrounding stirring paddles to the original position turn.

The rotation directions of the central helical double ribbon agitator 6 and the four sets of single helical ribbon agitator 2/3/4/5 around the shaft are opposite, and the double blades at the bottom of the helical double ribbon agitator 6 eliminate the bottom stirring dead zone Thereby, the stirring state of low-speed, low-shear force, multi-vortex and no dead angle is realized for the whole material in the kettle. Four sets of single-helical ribbon-shaped impellers 2/3/4/5 have the same structure.

The upper part of the jacket 1 has a water vapor inlet 7 and a water vapor outlet 17, and the lower part is provided with an emptying port 20 to realize heating and sterilization of materials in the stirring tank 8. The top of the stirred tank 8 is provided with a temperature electrode probe port 9, a feed port 10, a pH value electrode probe port 12 and a sight glass 13, and a discharge port 19 is provided at the bottom to realize the addition, detection and discharge of materials in the stirred tank 8.

The top of the stirred tank 8 is connected to a vacuum pump 15 through a vacuum nozzle 14, which is used for vacuuming during the stirring process, and a negative pressure is formed in the tank to reduce and eliminate the bubbles formed by stirring in the high-viscosity system.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that does not go through creative labor ideas should be covered by the scope of protection of the utility model Inside.

Claims (9)

1. vortex stirrer more than a kind, it is characterized in that: stirred tank (8) outer wall is provided with chuck (1), stirred tank (8) internal axis is provided with one group of spiral dual band shape stirring paddle (6), spiral dual band shape stirring paddle (6) is provided with many groups single-screw banding stirring paddle (2), and stirred tank (8) top is connected with vacuum pump (15) by the evacuation mouth of pipe (14).

2. many vortex stirrers according to claim 1, it is characterised in that: the upper middle part of described spiral dual band shape stirring paddle (6) is spiral dual band shape, the bilobate stirring paddle composition that bottom is and stirred tank (8) end arc is tangent.

3. many vortex stirrers according to claim 1, it is characterised in that: spiral dual band shape stirring paddle (6) is in opposite direction with the slurry surface helix of many groups spiral shape stirring paddle (2).

4. many vortex stirrers according to claim 1, it is characterised in that: the driving gear (18) being positioned at axle center and the many groups driven gear (16) engaged drive spiral dual band shape stirring paddle (6) and many group single-screw banding stirring paddle (2) rotary motion respectively.

5. many vortex stirrers according to claim 4, it is characterised in that: many groups single-screw banding stirring paddle (2) are evenly distributed on the circle of distance axial line 2/3 radius between axial line and still wall.

6. many vortex stirrers according to claim 4, it is characterized in that: driving gear (18) by be fixed on still top stirring motor (11) drive moving axis A(22) rotate, driven gear (16) is fixed on dead axle A(24) with driving gear above dead axle B(21) institute's framework framework (23) on.

7. many vortex stirrers according to claim 4, it is characterised in that: driven gear (16) bottom connects the moving axis B(26 of single-screw banding stirring paddle (2) by inverted cone-shaped weldment (25)).

8. many vortex stirrers according to claim 1, it is characterised in that: steam import (7) and moisture outlet (17) are arranged at chuck (1) top, and bottom is provided with evacuation port (20), it is achieved stirred tank (8) interior heating material and sterilizing.

9. many vortex stirrers according to claim 1, it is characterized in that: stirred tank (8) top is provided with temperature electrode probe mouth (9), charge door (10), pH value electrode probe mouth (12) and visor (13), bottom is provided with discharging opening (19), it is achieved addition, detection and the discharge of stirred tank (8) interior material.