CN214106606U - System for be used for continuous liquid solid phase to mix and heat - Google Patents

Abstract

The utility model relates to a system for continuous liquid-solid phase mixing and heating, which comprises a mixing tank, a circulating pump and a grading filter which are communicated in sequence; the material mixing tank is a closed container, the top of the material mixing tank is provided with a material inlet and a material return port, and the grading filter is communicated with the material return port at the top of the material mixing tank; the mixing tank is provided with a stirrer for stirring the materials in the mixing tank; the bottom of compounding jar is provided with the steam heating device who improves the inside compounding of compounding jar. The utility model provides a system of continuous liquid solid phase mixture and heating can effectively heat and mix the material, has realized the continuous cycle operation simultaneously, has effectively promoted and has mixed and heating efficiency, can be better even material.

Description

System for be used for continuous liquid solid phase to mix and heat

Technical Field

The utility model belongs to the technical field of heterogeneous mixing, especially, relate to a system that is used for continuous liquid solid phase to mix and heat.

Background

In the liquid-solid fermentation process of biomass in the field of light industry, continuous liquid-solid mixing heating is a common system. The continuous mixing heating system is characterized in that a solid phase and a liquid phase are continuously and dynamically mixed in the production process, and a heating medium is used for continuously providing a heat source for the whole device to maintain the temperature.

The existing liquid-solid mixing heating system has the following problems: after the biomass starch-containing raw material is mixed with water, the viscosity is high, the mixing is uneven, a large number of raw powder clusters (the inside is a dry powder raw material and the outside is coated with mixed slurry) can be generated after mixing and heating, the outer diameter of the raw powder clusters is generally 2-20mm, and after subsequent liquefaction and fermentation processes, the structure of the raw powder clusters in the mixed feed liquid is still difficult to damage, so that the mass transfer speed is low, the fermentation yield is poor, and pipelines and heat exchangers are easy to block.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a system for mixing and heating continuous liquid and solid phases so as to improve the mixing and heating efficiency of the liquid and solid phases.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows:

a system for continuous liquid-solid phase mixing and heating comprises a mixing tank, a circulating pump and a grading filter which are sequentially communicated; the material mixing tank is a closed container, the top of the material mixing tank is provided with a material inlet and a material return port, and the grading filter is communicated with the material return port at the top of the material mixing tank; the mixing tank is provided with a stirrer for stirring the materials in the mixing tank; the bottom of compounding jar is provided with the steam heating device who improves the inside compounding of compounding jar.

Furthermore, the steam heating device comprises a steam pipeline and a branch pipe, the steam pipeline is arranged at the bottom of the mixing tank, and the steam pipeline penetrates from the outside of the mixing tank to the inside of the mixing tank and then penetrates to the outside of the mixing tank; the branch pipe is longitudinally arranged above the part of the steam pipeline in the mixing tank and is communicated with the steam pipeline, and the branch pipe and the steam pipeline are arranged at an angle; preferably, the branch pipe is provided with a plurality of pipes; and a plurality of steam holes for spraying steam are formed in one side of the branch pipe, which faces the bottom of the mixing tank. Steam enters into the branch pipe from steam conduit both sides, sprays in the compounding jar through a plurality of steam holes of branch pipe again, carries out compounding and heating to the material in the compounding jar.

Further, the steam holes are arranged in the range of 150 degrees of included angle below the branch pipes.

Further, the steam holes are arranged in the range of 120 degrees of included angle below the branch pipes.

Furthermore, the diameter of the steam hole is 6-8 mm.

Furthermore, the bottom of the mixing tank is conical, and the conical bottom of the mixing tank is communicated with the circulating pump.

Further, the agitator is including setting up the stirring body and setting up the agitator motor in the compounding jar top outside in compounding jar inside.

Further, the end part of the stirring body, which faces the bottom of the mixing tank, is provided with a shearing blade.

The utility model provides a system for be used for continuous liquid solid phase to mix and heat has following advantage:

1. the steam heating device is arranged at the bottom of the mixing tank, the steam jet forms strong shearing and mixing actions in the mixing tank, and forms a downward-pressing upward-returning flow state together with the stirrer with the shearing blades, so that the functions of overlapped shearing and uniform mixing of materials are achieved, the content of 2-20mm raw dough can be effectively reduced by more than 80%, the functions of uniform mixing, strong shearing and crushing of raw dough are achieved, and the materials are directly heated.

2. The system adopts continuous work, after being filtered by a grading filter, the raw powder dough liquid of 2-20mm circulates back to the mixing tank to be mixed evenly, the even material is sent to the next procedure, and the fermentation yield of the raw material is improved by 1-5%.

3. Steam enters the mixing tank from two sides of the steam pipeline, which is beneficial to avoiding the generation of blind ends; meanwhile, the branch pipe is arranged on the steam heating device, so that the steam channel is short, the steam inlet resistance is small, the shearing effect is good, and the hole is not easy to block when the hole is formed in the lower included angle.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view of the branch pipe taken along the direction B-B in FIG. 2.

Reference is made to the accompanying drawings in which: 1-mixing tank; 101-a feed inlet; 102-material returning port; 2-a circulating pump; 3-a classifying filter; 4-a stirrer; 401-stirring the body; 402-a stirring motor; 403-shearing blades; 5-a steam pipeline; 6-a branch pipe; 601-steam vents.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A system for continuous liquid-solid phase mixing and heating is shown in figures 1 to 3 and comprises a mixing tank 1, a circulating pump 2 and a grading filter 3 which are communicated in sequence; the material mixing tank 1 is a closed container with a conical bottom, and the conical bottom of the material mixing tank 1 is communicated with the circulating pump 2; the top of the mixing tank 1 is provided with a feed inlet 101 and a return port 102, and the grading filter 3 is communicated with the return port 102 at the top of the mixing tank 1 to form a circulating working mode; the mixing tank 1 is provided with a stirrer 4 for stirring the materials in the mixing tank 1 to ensure uniform mixing and heating; the stirrer 4 comprises a stirring body 401 arranged inside the mixing tank 1 and a stirring motor 402 arranged outside the top of the mixing tank 1, and the end part of the stirring body 401 facing the bottom of the mixing tank 1 is also provided with a shearing blade 403.

The bottom of the mixing tank 1 is also provided with a steam heating device for improving the mixing inside the mixing tank 1, the steam heating device comprises a steam pipeline 5 and a branch pipe 6, the steam pipeline 5 is arranged at the bottom of the mixing tank 1, and the steam pipeline 5 penetrates from the outside of the mixing tank 1 to the inside of the mixing tank 1 and then penetrates to the outside of the mixing tank 1; the branch pipe 6 is longitudinally arranged above the part of the steam pipeline 5 in the mixing tank 1 and is communicated with the steam pipeline 5, and preferably, a plurality of branch pipes 6 are arranged; the branch pipe 6 and the steam pipeline 5 are arranged at an angle; a plurality of steam holes 601 with the diameter of 6-8 mm for spraying steam are formed in one side of the branch pipe 6 facing the bottom of the material mixing tank 1; the steam holes 601 are arranged in the range of an included angle of 150 degrees below the branch pipe 6, and preferably, the steam holes 601 are arranged in the range of an included angle of 120 degrees below the branch pipe.

During the use, carry to mixing bowl 1 through feed inlet 101 after the liquid-solid mixture in, through steam conduit 5 and bleeder 6 in to mixing bowl 1 steam, carry to hierarchical filter 3 through circulating pump 2 after the compounding is accomplished and carry out the stage filtration, the material up to standard is sent to next process, and all the other materials not up to standard are through returning to the material mouth 102 and carry back in mixing bowl 1 again. The heat of the whole system is provided by a special steam heating device, the temperature of materials in the tank and the addition amount of steam are adjusted in a correlation manner to maintain the heating temperature in the required tank, and the stirrer 4 continuously works after the materials are added to ensure that the materials are mixed with water and are uniformly heated.

The invention has the advantages that the steam heating device is arranged at the bottom of the mixing tank 1, so that the functions of directly heating materials, uniformly mixing, and strongly shearing and crushing green powder balls are achieved. Steam is sprayed in the mixing tank 1 to form strong shearing and mixing effects, and forms a downward-pressing upward-returning flow state together with the stirrer 4 with the shearing blades 403, so that the functions of overlapped shearing and uniform mixing of materials are achieved, and the content of green powder dough of 2-20mm can be effectively reduced by more than 80%; a continuous working mode is adopted, raw powder dough liquid with the diameter of 2-20mm is circulated back to the mixing tank 1 to be mixed uniformly after being filtered by the grading filter 3, the uniform materials are sent to the next working procedure, and the fermentation yield of the raw materials is improved by 1-5%. Meanwhile, steam enters the mixing tank 1 from two sides of the steam pipeline 5, which is beneficial to avoiding the generation of blind ends; meanwhile, the branch pipe 6 is arranged on the steam heating device, so that the steam channel is short, the steam inlet resistance is small, the shearing effect is good, and the hole is not easy to block due to the opening with the lower included angle of 120 degrees. By adopting the mixing and heating system, materials can be effectively heated and mixed, continuous cycle operation is realized, mixing and heating efficiency is effectively improved, and the materials can be better and uniformly distributed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A system for continuous liquid-solid phase mixing and heating, characterized by: comprises a material mixing tank (1), a circulating pump (2) and a grading filter (3) which are communicated in sequence; the mixing tank (1) is a closed container, the top of the mixing tank is provided with a feed inlet (101) and a return port (102), and the grading filter (3) is communicated with the return port (102) at the top of the mixing tank (1); the mixing tank (1) is provided with a stirrer (4) for stirring the materials in the mixing tank (1); the bottom of the mixing tank (1) is provided with a steam heating device for improving the mixing inside the mixing tank (1).

2. A system for continuous liquid-solid mixing and heating according to claim 1, wherein: the steam heating device comprises a steam pipeline (5) and a branch pipe (6), the steam pipeline (5) is arranged at the bottom of the mixing tank (1), and the steam pipeline (5) penetrates from the outside of the mixing tank (1) to the inside of the mixing tank (1) and then penetrates to the outside of the mixing tank (1); the branch pipe (6) is longitudinally arranged above the part, located inside the mixing tank (1), of the steam pipeline (5) and is communicated with the steam pipeline (5), and the branch pipe (6) and the steam pipeline (5) are arranged at an angle; and a plurality of steam holes (601) for spraying steam are formed in one side of the branch pipe (6) facing the bottom of the mixing tank (1).

3. A system for continuous liquid-solid mixing and heating according to claim 2, wherein: the branch pipe (6) is provided with a plurality of pipes.

4. A system for continuous liquid-solid mixing and heating according to claim 2, wherein: the steam holes (601) are arranged in the range of 150 degrees of included angle below the branch pipe (6).

5. The system for continuous liquid-solid mixing and heating of claim 4, wherein: the steam holes (601) are arranged in the range of 120 degrees of included angle below the branch pipe (6).

6. A system for continuous liquid-solid mixing and heating according to claim 2, wherein: the diameter of the steam hole (601) is 6-8 mm.

7. A system for continuous liquid-solid mixing and heating according to claim 1, wherein: the bottom of the mixing tank (1) is conical, and the conical bottom of the mixing tank (1) is communicated with the circulating pump (2).

8. A system for continuous liquid-solid mixing and heating according to claim 1, wherein: the stirrer (4) comprises a stirring body (401) arranged inside the mixing tank (1) and a stirring motor (402) arranged outside the top of the mixing tank (1).

9. The system for continuous liquid-solid mixing and heating of claim 8, wherein: and a shearing blade (403) is arranged at the end part of the stirring body (401) facing the bottom of the mixing tank (1).

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