CN215781546U

CN215781546U - Super-concentrated evaporating device for corn steep liquor

Info

Publication number: CN215781546U
Application number: CN202121409359.6U
Authority: CN
Inventors: 于海彦; 王红艺
Original assignee: Beijing Weisen Green Technology Co ltd
Current assignee: Beijing Weisen Green Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-02-11
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a corn steep liquor ultra-concentration evaporation device which comprises a tank body and an evaporator, wherein the left side and the right side above the evaporator are respectively provided with a steam inlet and an evaporation material outlet, the evaporation material outlet is connected with the tank body through a pipeline, the upper part of the tank body is provided with a defoaming assembly, a steam compressor is arranged between the upper end of the tank body and the steam inlet, steam pipelines are respectively arranged between the steam compressor and the tank body and between the steam compressor and the steam inlet, the left side and the right side below the evaporator are respectively provided with a material inlet and a condensed water outlet, the lower end of the tank body is provided with a circulation port, a centrifugal pump is arranged between the material inlet and the circulation port, and the centrifugal pump is respectively connected with the material inlet and the circulation port through pipelines. The utility model has high concentration efficiency on the thick corn steep liquor and low power consumption.

Description

Super-concentrated evaporating device for corn steep liquor

Technical Field

The utility model belongs to the technical field of corn steep liquor processing equipment, and particularly relates to a corn steep liquor ultra-concentration evaporation device.

Background

And (3) soaking the corn in a sulfur dioxide solution in a counter-current manner, finally pumping out soaking water containing 6-7% of dry substances, and concentrating the soaking water to a concentrated solution containing 50% of the dry substances by adopting triple-effect vacuum evaporation, wherein the concentrated solution is called corn steep liquor. Corn steep liquor is a byproduct of corn starch production, and is usually mixed with recovered corn protein and coarse and fine residues to be used as animal feed, as a nutrient material for antibiotics and as a raw material for manufacturing phylum phenanthrene and inositol.

In the production and manufacturing process of corn steep liquor, the corn steep liquor is often required to be concentrated, more methods are adopted for evaporation concentration to ensure the content of nutrient components in the corn steep liquor, however, the existing corn steep liquor concentration evaporation equipment has low concentration efficiency on the thick corn steep liquor, and the power consumption is large, and needs to be improved.

For this reason, we propose an ultra-concentrated corn steep liquor evaporation device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the concentration efficiency of the corn steep liquor concentration and evaporation equipment in the prior art is low and the power consumption is large for the concentrated corn steep liquor, and provides the corn steep liquor super-concentration and evaporation device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

corn steep liquor ultra-concentrated evaporation plant, including a jar body and evaporimeter, the top left and right sides of evaporimeter is equipped with steam inlet and evaporation material respectively and exports, through the pipe connection between evaporation material export and the jar body, the upper portion of the jar body is equipped with defoaming subassembly, be equipped with vapor compressor between the upper end of the jar body and the steam inlet, be equipped with steam conduit between vapor compressor and the jar body and the steam inlet respectively, the below left and right sides of evaporimeter is equipped with material import and comdenstion water export respectively, the lower extreme of the jar body is equipped with the circulation mouth, be equipped with the centrifugal pump between material import and the circulation mouth, pass through the pipe connection between centrifugal pump and material import and the circulation mouth respectively.

In the corn steep liquor ultra-concentrated evaporation device, the left side of the tank body is provided with the shunt pipe communicated with the evaporation material outlet.

In the above-mentioned corn steep liquor ultra-concentration evaporation plant, the inside of evaporimeter is equipped with the evaporimeter lamella, the evaporimeter lamella is the two V structures of mirror image.

In the above-mentioned corn steep liquor ultra-concentration evaporation plant, the steam compressor adopts a screw compressor.

In the maize pulp super-concentration evaporation device, the inner walls of the steam pipeline, the tank body and the shunt pipe are all subjected to Teflon spraying treatment.

In foretell corn steep liquor ultra-concentrated evaporation plant, the defoaming subassembly includes the internal defoaming chamber of fixed connection at the jar, the lower extreme in defoaming chamber is equipped with down the otter board, the upper end in defoaming chamber is equipped with the otter board, the upside middle part of going up the otter board is equipped with driving motor, driving motor's lower extreme output shaft fixedly connected with pivot, the ring side of pivot is equipped with a plurality of blades.

Compared with the prior art, the utility model has the beneficial effects that:

1. the steam compressor is arranged to heat the steam in the steam pipeline, so that the power consumption required by heating is reduced, and the purpose of waste heat utilization is achieved;

2. the centrifugal pump is a spiral centrifugal pump, so that material circulation can be performed on the thick corn steep liquor, and the blockage problem is effectively avoided;

3. the evaporator plate in the evaporator is arranged to be a mirror image double-V channel, so that the blockage problem can be further prevented;

4. set up the upper portion that the defoaming subassembly is in the jar body, can effectively avoid the maize thick liquids in the foam to get into in the steam compressor to further improved the gas-liquid separation effect of maize thick liquids, thereby improved concentration efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an ultra-concentrated corn steep liquor evaporator according to the present invention;

FIG. 2 is a schematic diagram of the inner structure of the defoaming assembly of the super-concentrated corn steep liquor evaporator.

In the figure: 1 tank body, 2 defoaming subassembly, 21 defoaming chamber, 22 lower otter board, 23 last otter board, 24 driving motor, 25 pivot, 26 blades, 3 centrifugal pump, 4 shunt tubes, 5 evaporimeters, 6 vapor compressor, 7 steam conduit, 8 material import, 9 circulation mouths, 10 comdenstion water export, 11 steam import, 12 evaporation material exports.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, the corn steep liquor ultra-concentrated evaporation device comprises a tank body 1 and an evaporator 5, wherein a steam inlet 11 for high-temperature steam to enter and an evaporation material outlet 12 for liquid to flow out are respectively arranged at the left side and the right side above the evaporator 5, the evaporation material outlet 12 is connected with the tank body 1 through a pipeline, a defoaming assembly 2 for eliminating bubbles generated by material boiling is arranged at the upper part of the tank body 1, a steam compressor 6 for heating the steam is arranged between the upper end of the tank body 1 and the steam inlet 11, a steam pipeline 7 is respectively arranged between the steam compressor 6 and the tank body 1 and the steam inlet 11 for facilitating the transmission of the steam, a material inlet 8 and a condensate outlet 10 are respectively arranged at the left side and the right side below the evaporator 5, a circulation port 9 is arranged at the lower end of the tank body 1, a centrifugal pump 3 is arranged between the material inlet 8 and the circulation port 9, and the centrifugal pump 3 is respectively connected with the material inlet 8 and the circulation port 9 through a pipeline, the circulation of the materials is realized through a centrifugal pump 3, and the centrifugal pump 3 adopts a spiral centrifugal pump with the model number of CDLF 42-60.

The left side of the tank body 1 is provided with a shunt pipe 4 communicated with the evaporation material outlet 12, most of the heated liquid flows out of the shunt pipe 4, and the steam flows upwards.

The evaporator 5 is internally provided with an evaporator plate which is in a mirror image double-V structure, so that blockage can be effectively prevented.

The vapor compressor 6 adopts a screw compressor, model number SL20, and can compress and heat vapor.

The inner walls of the steam pipeline 7, the tank body 1 and the shunt pipe 4 are all subjected to Teflon spraying treatment, so that corrosion of acid and alkali salts to the stainless steel surface is prevented.

Defoaming subassembly 2 is including fixed connection defoaming chamber 21 in jar body 1, the lower extreme in defoaming chamber 21 is equipped with down otter board 22, the upper end in defoaming chamber 21 is equipped with otter board 23, the upside middle part of otter board 23 is equipped with driving motor 24, driving motor 24 adopts YE2-80M2-4YE2 motor, driving motor 24's lower extreme output shaft fixedly connected with pivot 25, the ring side of pivot 25 is equipped with a plurality of blades 26, material in jar body 1 is when receiving the heating boiling, in the bubble that produces, big bubble receives down otter board 22 blocks the breakage, little bubble is broken and is strikeed the inner wall in defoaming chamber 21 under the effect of blade 26, and then breaks, flow back to jar body 1 under the action of gravity.

The operating principle of the present invention will now be described as follows:

steam heats back through steam compressor 6 and gets into in evaporimeter 5 through steam inlet 11, the corn steep liquor in the evaporimeter 5 heats, the material that has corn steep liquor and steam to mix gets into jar 1 from the pipeline between evaporation material export 12 and the jar body 1 in, the material in jar body 1 is when receiving the heating boiling, in the bubble of production, big bubble receives the breakage that blocks of otter board 22 down, little bubble is broken up and is strikeed the inner wall in defoaming chamber 21 under the effect of blade 26, and then break, flow back to jar body 1 under the action of gravity, steam then normally passes through defoaming subassembly 2 and in steam pipeline 7 gets into steam compressor 6, carry out waste heat recovery, reutilization, the corn steep liquor then stays in jar body 1, in getting into evaporimeter 5 through centrifugal pump 3 circulation, constantly carry out gas-liquid separation, thereby reach concentrated purpose.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The maize pulp super-concentration evaporation device comprises a tank body (1) and an evaporator (5), and is characterized in that the left side and the right side of the upper portion of the evaporator (5) are respectively provided with a steam inlet (11) and an evaporation material outlet (12), the evaporation material outlet (12) is connected with the tank body (1) through a pipeline, the upper portion of the tank body (1) is provided with a defoaming assembly (2), a steam compressor (6) is arranged between the upper end of the tank body (1) and the steam inlet (11), a steam pipeline (7) is respectively arranged between the steam compressor (6) and the tank body (1) and the steam inlet (11), the left side and the right side of the lower portion of the evaporator (5) are respectively provided with a material inlet (8) and a condensed water outlet (10), the lower end of the tank body (1) is provided with a circulation port (9), and a centrifugal pump (3) is arranged between the material inlet (8) and the circulation port (9), the centrifugal pump (3) is connected with the material inlet (8) and the circulating port (9) through pipelines respectively.

2. A corn steep liquor ultra-concentrated evaporation plant as claimed in claim 1, characterized in that a shunt tube (4) is provided on the left side of the tank (1) and communicates with the evaporation material outlet (12).

3. A corn steep liquor ultra-concentrated evaporation device according to claim 1, characterized in that the evaporator (5) is internally provided with an evaporator plate, and the evaporator plate is a mirror image double-V structure.

4. A corn steep liquor ultra-concentrated evaporation plant as claimed in claim 1, characterized in that said steam compressor (6) is a screw compressor.

5. A corn steep liquor ultra-concentrated evaporation plant as claimed in claim 1, characterized in that the steam pipe (7) and the inner walls of the tank (1) and the shunt tube (4) are all treated by Teflon coating.

6. The corn steep liquor ultra-concentrated evaporation device as claimed in claim 1, wherein the defoaming assembly (2) comprises a defoaming chamber (21) fixedly connected in the tank body (1), a lower mesh plate (22) is arranged at the lower end of the defoaming chamber (21), an upper mesh plate (23) is arranged at the upper end of the defoaming chamber (21), a driving motor (24) is arranged in the middle of the upper side of the upper mesh plate (23), a rotating shaft (25) is fixedly connected to an output shaft at the lower end of the driving motor (24), and a plurality of blades (26) are arranged on the ring side of the rotating shaft (25).