CN217248533U - Stirring kettle with premixing function - Google Patents

Abstract

The utility model relates to the technical field of stirring equipment, and discloses a stirring kettle with premixing function, which comprises a kettle body, wherein a mixing line is carved on the kettle body, a stirring chamber is arranged inside the kettle body, a stirring paddle driven by a stirring motor is arranged in the stirring chamber, a premixing device communicated with the stirring chamber is arranged at the top of the kettle body, the premixing device comprises a guide cylinder, a central pipe is arranged in the guide cylinder, a spiral guide plate is arranged between the central pipe and the guide cylinder, the guide cylinder and the spiral guide plate form a mixing channel, a first inlet pipe communicated with the guide cylinder is arranged on the side surface of the guide cylinder, a second inlet pipe with sealed bottom is arranged in the central pipe, the top of the central pipe penetrates through the kettle body, a plurality of liquid outlet holes are arranged on the pipe wall of the central pipe, the liquid outlet holes are communicated with the second inlet pipe and the mixing channel, solid and liquid raw materials are premixed in the mixing channel through the inlet pipes and then enter the stirring chamber through the premixing device, so as to accelerate mixing, the solid-liquid mixing and caking phenomena are reduced, the production period is shortened, the power consumption of the stirring motor is reduced, and the cost is reduced.

Description

Stirring kettle with premixing function

Technical Field

The utility model relates to an agitated vessel technical field specifically is a stirred tank of function is mixed in advance in area.

Background

In chemical production, solid raw material and liquid raw material often need mix to carry out further production, therefore traditional solid-liquid mixing stirred tank most all comprises teeter chamber, charge door and agitating unit, and solid and liquid raw material get into the teeter chamber through same charge door, mix by agitating unit stirring again. The mechanical stirring kettle mainly comprises three parts: the stirring device comprises a stirring motor, a stirring paddle and a stirring kettle main body; the stirring motor is a power part and is fixed on the support, the speed of the stirring motor is adjusted by the speed regulator, the stirring paddle is connected with the stirring motor, after the power is switched on, the stirring motor drives the stirring paddle to rotate for stirring, and the stirring kettle main body enables the stirring process to be carried out in a sealed system to provide the container effect.

However, the existing stirring kettle has the condition that some raw materials are easy to agglomerate, the stirring resistance is increased when a large amount of raw materials are treated, and two materials are difficult to rapidly reach uniform mixing in the kettle, so that the technical requirements can be met only by stirring the raw materials in the stirring kettle for a long time, so that the power consumption of a stirring motor is increased, the heating is serious, the production period is long, and the production cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art exists, the utility model provides a stirred tank of function is mixed in area, the reactor comprises a kettle, the internal teeter chamber that is equipped with of cauldron, be equipped with in the teeter chamber by agitator motor driven stirring rake, cauldron body top be equipped with the premixing device of teeter chamber intercommunication, premixing device includes the draft tube, be equipped with the first inlet pipe rather than the intercommunication on the draft tube, install the center tube on the inside axis of draft tube, be equipped with the sealed second inlet pipe in the center tube, the pipe wall of center tube is equipped with a plurality of liquid holes, the outer wall of center tube with install the spiral stock guide between the inner wall of draft tube, the spiral stock guide with the draft tube inner wall forms the compounding passageway, go out liquid hole intercommunication the second inlet pipe reaches the compounding passageway.

Furthermore, the liquid outlet hole is arranged in an inclined shape with a high inside and a low outside, and the inner wall of the second feeding pipe is inclined to the mixing channel.

Further, the liquid outlet hole is formed below the highest point of the spiral material guide plate.

Further, the helix angle of the spiral material guide plate is set to be 45-60 degrees.

Furthermore, a mixing line is carved on the kettle body, the mixing line refers to an upper limit scale mark of the stirring feeding amount, and the bottom of the guide cylinder is arranged below the mixing line.

Further, the first feeding pipe is located above the highest point of the spiral material guide plate.

Further, the top of the central pipe penetrates through the kettle body.

Compared with the prior art, the utility model has the advantages of:

1. the raw materials carry out in the reentrant stirred tank after preliminary mixing through premixing device before getting into stirred tank, flash mixed is even to promote stirring efficiency, reduce the dwell time of material in stirred tank, shorten production cycle, reduce energy consumption and cost.

2. The premixing device utilizes the spiral mixing channel, so that the raw materials are automatically mixed when flowing downwards in the spiral channel, and the raw materials are not required to be mixed by external power, and the premixing function is satisfied while no extra energy is consumed.

3. The liquid raw materials are mixed with the solid raw materials through a plurality of liquid outlet holes distributed in a distributed manner in the central tube, so that the liquid raw materials and the solid raw materials have intersecting mixing points as much as possible, and the liquid raw materials and the solid raw materials are mixed more uniformly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the premixing device of the present invention.

Wherein: 1. a kettle body; 2. a stirring chamber; 3. a stirring paddle; 4. a draft tube; 5. a central tube; 6. a spiral material guide plate; 7. a mixing channel; 8. a second feed pipe; 9. a liquid outlet hole; 10. a mixing line; 11. a first feed tube.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings:

referring to fig. 1 and 2, the stirring kettle with the premixing function comprises a kettle body 1, wherein a mixing line 10 is carved on the kettle body 1, a stirring chamber 2 is arranged in the kettle body, a stirring paddle 3 driven by a stirring motor is arranged in the stirring chamber 2, and the stirring paddle 3 is controlled by the stirring motor to perform stirring operation, so that raw materials are fully mixed in the stirring chamber 2; the top of the kettle body 1 is provided with a premixing device communicated with the stirring chamber 2, the premixing device comprises a guide cylinder 4, and the bottom of the guide cylinder 4 is arranged below the mixing line 10 to prevent the feeding from exceeding the maximum feeding amount; a central tube 5 is arranged on a central axis in the guide shell 4, a spiral material guide plate 6 is arranged between the outer wall of the central tube 5 and the inner wall of the guide shell 4, the spiral material guide plate 6 and the inner wall of the guide shell 4 form a spiral material mixing channel 7, and the spiral angle of the spiral material guide plate 6 is set to be 45-60 degrees, so that the material flow rate and the mixing effect are controlled; the guide cylinder 4 is provided with a first feeding pipe 11 communicated with the guide cylinder, and the first feeding pipe 11 is positioned above the highest point of the spiral material guide plate 6, so that solid raw materials and liquid raw materials are premixed through the complete material mixing channel 7, and the premixing effect is ensured to the maximum efficiency; a second feeding pipe 8 with a sealed bottom is arranged in the central pipe 5, and the top of the central pipe 5 penetrates through the kettle body 1, so that liquid raw materials can be conveniently fed from the outside of the kettle body 1; a plurality of liquid outlet holes 9 are formed in the wall of the central tube 5, and the liquid outlet holes 9 are communicated with the second feeding tube 8 and the mixing channel 7, so that liquid raw materials are diffused from the middle of the mixing channel 7, and the mixing efficiency is improved; the liquid outlet holes 9 are arranged in an inclined shape with a high inside and a low outside, so that the liquid outlet holes 9 are prevented from being blocked, and the liquid flows out at a higher speed and is more fully mixed with the solid raw materials; the liquid outlet hole 9 is arranged below the highest point of the spiral material guide plate 6, so that the liquid raw material is mixed with the solid raw material at the first time when flowing out, and the mixing efficiency is improved.

The working principle is as follows: referring to fig. 1 and 2, the first feed pipe 11 is taken as a solid material inlet and the second feed pipe 8 is taken as a liquid material inlet in this embodiment. Two raw materials respectively enter a first feeding pipe 11 and a second feeding pipe 8 with certain external force, wherein when the solid raw materials enter a mixing channel 7 from the first feeding pipe 11, the solid raw materials are pushed downwards in the spiral mixing channel 7, meanwhile, after the liquid raw materials enter the second feeding pipe 8, the liquid raw materials are extruded into the mixing channel 7 from each liquid outlet hole 9 under the action of pressure, and a plurality of liquid outlet holes 9 are arranged and are dispersedly distributed on the pipe wall of a central pipe 5, so that the liquid raw materials can be provided with a plurality of intersection points with the mixing channel 7, the liquid raw materials can be contacted and mixed with the solid raw materials which are conveyed downwards in the mixing channel 7 due to gravity from a plurality of points, and the primary mixing effect of the two raw materials is achieved; the premixed raw materials enter the stirring chamber 2 through the guide cylinder 4, the stirring motor controls the stirring paddle 3 to carry out stirring operation, and the two raw materials are fully stirred and mixed until the technological requirements are met. As for the degree of preliminary mixing, the manufacturer can adjust the spiral angle of the spiral material guiding plate 6, the length of the spiral material guiding plate 6 and other parameters to control the mixing degree according to actual needs, so as to meet the requirement of the service performance.

The basic principles, main features and advantages of the present invention have been described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims (7)

1. The utility model provides a stirred tank of function is mixed in area, includes the cauldron body, the internal portion of cauldron is equipped with the teeter chamber, be equipped with in the teeter chamber by agitator motor driven stirring rake, a serial communication port, cauldron body top be equipped with the premixing device of teeter chamber intercommunication, premixing device includes the draft tube, be equipped with the first inlet pipe rather than the intercommunication on the draft tube, install the center tube on the inside axis of draft tube, be equipped with the sealed second inlet pipe in bottom in the center tube, the pipe wall of center tube is equipped with a plurality of liquid holes, the outer wall of center tube with install the spiral stock guide between the inner wall of draft tube, the spiral stock guide with the draft tube inner wall forms the compounding passageway, go out liquid hole intercommunication the second inlet pipe with the compounding passageway.

2. The stirring kettle with the premixing function as claimed in claim 1, wherein the liquid outlet is arranged in an inclined manner with a high inside and a low outside, and the inner wall of the second feeding pipe is inclined to the mixing channel.

3. The stirring kettle with the premixing function as recited in claim 1, wherein the liquid outlet is disposed below the highest point of the spiral material guiding plate.

4. The stirring kettle with the premixing function as claimed in claim 3, wherein the helix angle of the spiral material guiding plate is set to 45 ° to 60 °.

5. The stirring kettle with the premixing function as claimed in claim 1, wherein a mixing line is carved on the kettle body, and the bottom of the guide cylinder is arranged below the mixing line.

6. The stirring kettle with the premixing function as claimed in claim 1, wherein the first feeding pipe is located above the highest point of the spiral material guiding plate.

7. The stirred tank with premixing function of claim 1 wherein the top of the central tube extends through the tank body.

Images