Flash tank in starch sugar production process

Abstract

The utility model relates to the technical field of starch sugar preparation devices, in particular to a flash tank in a starch sugar production process, which comprises an upper tank body, a tank body and a lower tank body, wherein the upper tank body, the tank body and the lower tank body are sequentially communicated from top to bottom; a steam outlet is formed in the top end of the upper tank body, a material outlet is formed in the bottom end of the lower tank body, and the tank body comprises a main body, a conical baffle, a sprayer and a heat exchanger; wherein the conical baffle, the sprayer and the heat exchanger are sequentially and fixedly arranged in the main body from top to bottom; wherein the conical baffle comprises a baffle main body which forms a conical curved surface of an assumed cone in a surrounding manner, and the bottom surface of the assumed cone faces the upper tank body; a plurality of through holes are formed in the baffle main body, an opening is formed in the baffle main body at the bottom surface of the assumed cone, and a drainage hole is formed in the baffle main body at the cone tip of the assumed cone; and rapid and uniform heat energy transfer is realized, the flash evaporation time is shortened, the product quality is improved, the production rhythm is accelerated, and the overall productivity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of starch sugar preparation devices, in particular to a flash tank in a starch sugar production process. Background Art

[0002] At the forefront of starch sugar preparation technology, flash technology has become an indispensable part and plays an important role in the stability of the production process. By using an efficient flash evaporator, not only can the production efficiency be ensured, but also the liquid entrainment phenomenon can be effectively avoided, which is crucial for maintaining the reliable operation of the starch sugar production process. However, the existing flash processes generally have the problem of high energy consumption, and the energy required to heat the medium to the evaporation point is huge. In addition, limited by the small heating area and uneven heat distribution, the material flash process takes a long time, which are all bottlenecks faced by the existing technologies.

[0003] In view of the above challenges, the industry urgently needs an innovation aimed at designing a better solution to improve the system energy efficiency, ensure uniform and rapid heat transfer, and thus shorten the flash cycle. At the same time, reducing equipment wear and optimizing the ratio of investment to maintenance costs to achieve long-term economic benefits are the key directions for the current innovation of starch sugar manufacturing technology. To sum up, the in-depth optimization of the existing flash technology not only concerns a leap in energy efficiency but also is an important step in promoting the entire industry towards a more efficient, more economical, and more sustainable future. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a flash tank in a starch sugar production process for the deficiencies in the existing technology.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A flash tank in a starch sugar production process includes: an upper tank body, a tank body, and a lower tank body; wherein,

[0007] The upper tank body, the tank body, and the lower tank body are connected and arranged in sequence from top to bottom; a steam outlet is opened at the top end of the upper tank body, and a material outlet is opened at the bottom end of the lower tank body. The tank body includes: a main body, a conical baffle, a sprayer, and a heat exchanger;

[0008] Among them, the conical baffle, the sprayer, and the heat exchanger are fixedly arranged inside the main body in sequence from top to bottom; wherein, the conical baffle includes: a baffle main body surrounding a conical surface forming a hypothetical cone, and the bottom surface of the hypothetical cone faces the upper tank body; a plurality of through holes are opened on the baffle main body, an opening is formed at the bottom surface of the hypothetical cone of the baffle main body, and a drain hole is opened at the tip of the hypothetical cone of the baffle main body;

[0009] Among them, several spray pipes fixedly arranged inside the main body, and several spray nozzles fixedly arranged at the bottom ends of the spray pipes; the several spray pipes are interconnected, at least one spray pipe penetrates through the main body, and the spray pipe penetrating through the main body is communicated with the material pipeline; the spray nozzles are communicated with the corresponding spray pipes, and spray holes are opened at the bottom ends of the spray nozzles;

[0010] Among them, several heat exchange pipes fixedly arranged inside the main body; both ends of the heat exchange pipes penetrate through the main body, the first end of the heat exchange pipe is communicated with the first diversion cavity, the second end of the heat exchange pipe is communicated with the second diversion cavity, a heat exchange medium inlet is opened in the first diversion cavity, and a heat exchange medium outlet is opened in the second diversion cavity.

[0011] Preferably, the upper tank body is semi-elliptical.

[0012] Preferably, the lower tank body is conical, and the bottom surface of the cone faces the tank body.

[0013] Preferably, a pressure reducing valve is fixedly arranged at the top of the upper tank body.

[0014] Preferably, a pressure alarm is fixedly arranged at the top of the upper tank body.

[0015] Preferably, a visual window is fixedly arranged in the middle of the tank body.

[0016] Preferably, several annular baffles inclined from top to bottom are fixedly arranged on the inner wall of the tank body.

[0017] Preferably, the inclination angle of the annular baffle is 45 degrees.

[0018] Preferably, the material outlet is connected to the water outlet pipe, the water outlet pipe is respectively connected to the discharge pipe and the circulation pipe through a three-way valve, and the circulation pipe is connected to the material pipeline.

[0019] The present utility model adopts the above technical solutions, compared with the prior art, has the following technical effects:

[0020] By adding a sprayer and a conical baffle, the present utility model can expand the heat receiving area of the material, reduce the energy consumption required in the process of heating the medium to the evaporation temperature, directly reduce the production cost, solve the problems of small and uneven heat receiving area in the prior art, realize fast and uniform heat energy transfer, shorten the flash evaporation time, improve the product quality, speed up the production rhythm, and improve the overall production capacity. The detachable design of the upper tank body can be maintained and repaired in time, reduce the wear of key components, extend the service life of the equipment, promote the technological innovation and industrial upgrading of the starch sugar manufacturing industry, and enhance the overall competitiveness and sustainable development ability of the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic cross-sectional view of the present utility model;

[0022] Upper tank body 1; tank body 2; lower tank body 3; pressure reducing valve 11; pressure alarm 12; visual window 13; conical baffle 21; sprayer 22; heat exchanger 23; annular baffle 24; spray pipe 221; spray nozzle 222; material pipeline 223; heat exchange pipe 233; first diversion cavity 232; second diversion cavity 234; heat exchange medium inlet 231; heat exchange medium outlet 235. Specific embodiments

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without making creative efforts belong to the scope of protection of the present invention.

[0024] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but it is not limited to the present invention.

[0026] Embodiment

[0027] As Figure 1 shown, the present invention provides a flash tank in a starch sugar production process, which includes: an upper tank body 1, a tank body 2, and a lower tank body 3; wherein,

[0028] The upper tank body 1, the tank body 2, and the lower tank body 3 are connected in sequence from top to bottom; a steam outlet is provided at the top of the upper tank body 1, and a material outlet is provided at the bottom of the lower tank body 3. The tank body 2 includes: a main body, a conical baffle 21, a sprayer 22, and a heat exchanger 23;

[0029] Among them, the upper tank body 1 is semi-elliptical, a pressure reducing valve 11 is fixedly provided at the top of the upper tank body 1, and a pressure alarm 12 is fixedly provided at the top of the upper tank body 1;

[0030] Among them, a visual window 13 is fixedly provided in the middle of the tank body 2;

[0031] Among them, the lower tank body 3 is conical, and the bottom surface of the cone faces the tank body 2;

[0032] Among them, the conical baffle 21, the sprayer 22, and the heat exchanger 23 are fixedly arranged inside the main body in sequence from top to bottom; among them, the conical baffle 21 includes: a baffle main body surrounding a conical surface of a hypothetical cone, the bottom surface of the hypothetical cone facing the upper tank body 1; a plurality of through holes are formed in the baffle main body, the baffle main body forms an opening at the bottom surface of the hypothetical cone, and a drain hole is formed at the tip of the cone of the hypothetical cone on the baffle main body;

[0033] Among them, a plurality of spray pipes 221 fixedly arranged inside the main body, and a plurality of spray nozzles 222 fixedly arranged at the bottom ends of the spray pipes 221; a plurality of the spray pipes 221 communicate with each other, at least one of the spray pipes 221 penetrates through the main body, and the spray pipe 221 penetrating through the main body communicates with the material pipeline 223; the spray nozzles 222 communicate with the corresponding spray pipes 221, and spray holes are formed at the bottom ends of the spray nozzles 222;

[0034] Among them, a plurality of heat exchange pipes 233 fixedly arranged inside the main body; both ends of the heat exchange pipes 233 penetrate through the main body, the first end of the heat exchange pipes 233 communicates with the first shunt cavity 232, the second end of the heat exchange pipes 233 communicates with the second shunt cavity 234, a heat exchange medium inlet 231 is formed in the first shunt cavity 233, and a heat exchange medium outlet 235 is formed in the second shunt cavity 234;

[0035] Among them, the material outlet is connected to the water outlet pipe through a pipeline, the water outlet pipe is respectively connected to the discharge pipe and the circulation pipe through a three-way valve, and the circulation pipe is connected to the material pipeline 223 through a pipeline.

[0036] As a preferred embodiment, a plurality of annular baffles 24 inclined from top to bottom are fixedly arranged on the inner wall of the tank body 2, and the inclination angle of the annular baffles 24 is 45 degrees.

[0037] During use, the material enters the spray pipe through the material pipeline, enters the inner cavity of the tank in a spraying manner through the spray pipe, undergoes heat exchange through the heat exchanger, the water vapor obtained through heat exchange evaporates upward, the flashed material enters the lower tank body, and is discharged through the discharge pipe connected to the water outlet pipe. When the material needs secondary processing, it can also flow back through the circulation pipe connected to the water outlet pipe. A part of the water vapor obtained by flashing is intercepted by a part of the conical baffle, and is subjected to secondary heat exchange in the tank by using the special design of the conical baffle, and the other part flows out through the steam outlet.

[0038] In summary, by adding a sprayer and a conical baffle, the utility model can expand the heat receiving area of the material, reduce the energy consumption required in the process of heating medium to evaporation temperature, directly reduce the production cost, solve the problems of small and uneven heat receiving area in the prior art, achieve rapid and uniform heat energy transfer, shorten the flash evaporation time, improve the product quality, accelerate the production rhythm, and improve the overall production capacity. The detachable design of the upper tank can be maintained and serviced in time, reduce the wear of key components, extend the service life of the equipment, promote the technological innovation and industrial upgrading of the starch sugar manufacturing industry, and enhance the overall competitiveness and sustainable development ability of the industry.

[0039] The above are only the preferred embodiments of the utility model, and do not limit the implementation mode and protection scope of the utility model. For those skilled in the art, it should be realized that all the equivalent replacements and obvious changes made by using the description and illustrations of the utility model should be included in the protection scope of the utility model.

Claims

1. A flash tank in a starch sugar production process, characterized in that: include: An upper tank body (1), a tank body (2), and a lower tank body (3); wherein, The upper tank body (1), the tank body (2), and the lower tank body (3) are sequentially connected from top to bottom; a steam outlet is provided at the top end of the upper tank body (1), and a material outlet is provided at the bottom end of the lower tank body (3); the tank body (2) comprises: a main body, a conical baffle (21), a sprayer (22), and a heat exchanger (23); The conical baffle (21), the sprayer (22), and the heat exchanger (23) are fixedly arranged in sequence from top to bottom inside the main body; the conical baffle (21) comprises: a baffle body surrounding a conical surface forming an assumed cone, the bottom surface of the assumed cone faces the upper tank body (1); a plurality of through holes are formed on the baffle body, an opening is formed on the baffle body at the bottom surface of the assumed cone, and a drainage hole is formed on the baffle body at the tip of the assumed cone; Wherein, a plurality of spray pipes (221) are fixedly arranged inside the main body, and a plurality of spray nozzles (222) are fixedly arranged at the bottom ends of the spray pipes (221); the plurality of spray pipes (221) are interconnected, at least one of the spray pipes (221) is arranged through the main body, and the spray pipe (221) penetrating the main body is connected to a material pipeline (223); the spray nozzles (222) are connected to the corresponding spray pipes (221), and a spray hole is provided at the bottom ends of the spray nozzles (222); Among them, a plurality of heat exchange tubes (233) are fixedly arranged inside the main body; both ends of the heat exchange tube (233) are arranged through the main body, the first end of the heat exchange tube (233) is connected to the first diversion cavity (232), the second end of the heat exchange tube (233) is connected to the second diversion cavity (234), the first diversion cavity (232) is provided with a heat exchange medium inlet (231), and the second diversion cavity (234) is provided with a heat exchange medium outlet (235).

2. The flash tank in the starch sugar production process according to claim 1, characterized in that: The upper tank body (1) is semi-elliptical.

3. The flash tank in the starch sugar production process according to claim 1, characterized in that: The lower tank body (3) is in a conical shape, and the bottom surface of the cone is arranged toward the tank body (2).

4. The flash tank in the starch sugar production process according to claim 1, characterized in that: A pressure reducing valve (11) is fixedly arranged on the top of the upper tank body (1).

5. The flash tank in the starch sugar production process according to claim 1, characterized in that: A pressure alarm (12) is fixedly arranged on the top of the upper tank body (1).

6. The flash tank in the starch sugar production process according to claim 1, characterized in that: A visual window (13) is fixedly arranged in the middle of the tank body (2).

7. The flash tank in the starch sugar production process according to claim 1, characterized in that: A plurality of annular baffles (24) inclined from top to bottom are fixedly arranged on the inner wall of the tank body (2).

8. The flash tank in the starch sugar production process according to claim 7, characterized in that: The inclination angle of the annular baffle (24) is 45 degrees.

9. The flash tank in the starch sugar production process according to claim 1, characterized in that: The material outlet is connected to a water outlet pipe, the water outlet pipe is respectively connected to a material outlet pipe and a circulation pipe through a three-way valve, and the circulation pipe is connected to the material pipeline (223).

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