Secondary cyclone impurity removal device for starch milk

Abstract

The utility model discloses a secondary cyclone impurity removal device for starch milk, which comprises a starch milk feeding pipe, a starch milk tank, a starch milk pump, a first-stage cyclone, a first-stage automatic regulating valve, a second-stage cyclone, a second-stage automatic regulating valve, an impurity tank, a control module, a first-stage overflow pipe and a second-stage overflow pipe. The two-stage cyclone impurity removal cyclone is added, a secondary cyclone impurity removal device is adopted, the problem that fine sand and ironware brought by raw materials in the native starch milk affect production and product quality is solved, and compared with the prior art that a cyclone is not installed or a primary cyclone is installed for impurity removal, impurities in the native starch milk can be effectively removed, and the production efficiency is improved. And the influence of impurities in the starch milk on the subsequent process production and the influence on the final product quality are reduced.

Description

Technical Field

[0001] This utility model relates to the field of purification and separation of starch milk in the corn starch production process, and directly relates to a secondary cyclone impurity removal device for starch milk. Background Technology

[0002] Currently, in the corn starch production process, before further processing of the raw starch milk, impurities such as sand, gravel, and ironware brought in during corn harvesting, storage, and drying partially enter the starch milk during the corn processing. If these impurities are not effectively removed, they affect the difficulty of further processing and the final product quality. Traditional processes either do not install hydrocyclones or only install a primary hydrocyclone for impurity removal, resulting in poor impurity removal and high adjustment difficulty. Therefore, it is essential to research a secondary hydrocyclone impurity removal device for starch milk. Summary of the Invention

[0003] The purpose of this invention is to address the problem that impurities such as sand and ironware brought in during corn harvesting, storage, and drying enter the starch slurry during corn processing, affecting the difficulty of further processing and the quality of the final product. The invention proposes a secondary cyclone impurity removal device for starch slurry, the technical solution of which is as follows:

[0004] This utility model discloses a secondary cyclone impurity removal device for starch slurry, comprising a starch slurry inlet pipe 1, a starch slurry tank 2, a starch slurry pump 3, a primary cyclone separator 4, a primary automatic regulating valve 5, a secondary cyclone separator 6, a secondary automatic regulating valve 7, an impurity tank 8, a control module 9, a primary overflow pipe 10, and a secondary overflow pipe 11. The starch slurry inlet pipe 1 is connected to the upper inlet of the starch slurry tank 2. The inlet of the starch slurry pump 3 is connected to the outlet of the starch slurry tank 2 via pipes and valves. The outlet of the starch slurry pump 3 is connected to the inlet of the primary cyclone separator 4 via valves and pipes. The overflow port of the primary cyclone separator 4 is connected to the primary overflow pipe 10, delivering the qualified material after cyclone treatment to the production station. The underflow port of the primary cyclone separator 4 is connected to the primary automatic regulating valve 5 via pipes. The outlet of the primary automatic regulating valve 5 is connected to the inlet of the secondary hydrocyclone 6 through a pipe. The overflow port of the secondary hydrocyclone 6 is connected to the inlet of the starch slurry tank 2 through the secondary overflow pipe 11. The underflow port of the secondary hydrocyclone 6 is connected to the secondary automatic regulating valve 7 through a pipe. The outlet of the secondary automatic regulating valve 7 is connected to the inlet of the impurity tank 8 through a pipe. The control module 9 is electrically connected to the primary automatic regulating valve 5 and the secondary automatic regulating valve 7.

[0005] The purpose of this invention is achieved as follows: After the corn is crushed and separated into fibers and germ, the raw starch milk enters the starch milk tank and is then pressurized by the starch milk pump and sent to the first-stage hydrocyclone. In the first-stage hydrocyclone, the light stream is separated by swirling and flows through the overflow port to the production station for further processing; the heavy stream is discharged from the underflow port and passes through the first-stage automatic regulating valve, and then enters the second-stage hydrocyclone for a second swirling. The light stream that has swirled a second time in the second-stage hydrocyclone enters the starch milk tank through the second-stage overflow pipe; the heavy stream that has swirled a second time in the second-stage hydrocyclone is discharged from the underflow port and enters the impurity tank through the second-stage automatic regulating valve. The impurity tank collects sand and gravel impurities for further recycling.

[0006] Furthermore, the primary and secondary automatic regulating valves at the underflow ports of the primary and secondary hydrocyclones can adjust their openings according to the amount of impurities in the original starch slurry via data set by the control module: when there are many impurities, the primary and secondary automatic regulating valves open larger, resulting in a larger flow rate at the underflow port and the discharge of more impurities; conversely, when there are few impurities, the automatic regulating valves open smaller, resulting in a smaller flow rate at the underflow port and the discharge of fewer impurities. In actual production, the openings of the primary and secondary automatic regulating valves are adjusted according to the quality of the primary overflow starch slurry via data set by the control module.

[0007] The beneficial effects of this utility model are: through the secondary cyclone impurity removal device, the first cyclone impurity removal first cyclone out qualified light starch milk and transport it to the next process for continued production. The second cyclone controls the amount of impurities at the underflow outlet, ensuring that the maximum amount of impurities are separated, thereby improving the quality of starch milk separation. Impurities can be effectively separated, and the overflow of the second cyclone is returned to the starch milk tank for re-separation, improving the separation effect and separation quality. Attached Figure Description

[0008] Appendix Figure 1 A schematic diagram of the structure of a secondary cyclone impurity removal device for starch milk according to this utility model is shown.

[0009] Explanation of reference numerals in the attached figures:

[0010] 1. Starch milk feed pipe; 2. Starch milk tank; 3. Starch milk pump; 4. Primary hydrocyclone; 5. Primary automatic regulating valve; 6. Secondary hydrocyclone; 7. Secondary automatic regulating valve; 8. Impurity tank; 9. Control module; 10. Primary overflow pipe; 11. Secondary overflow pipe. Detailed Implementation

[0011] Now combined with the appendix Figure 1 The present invention provides a secondary cyclone impurity removal device for starch milk.

[0012] This utility model discloses a secondary cyclone impurity removal device for starch slurry, comprising a starch slurry inlet pipe 1, a starch slurry tank 2, a starch slurry pump 3, a primary cyclone separator 4, a primary automatic regulating valve 5, a secondary cyclone separator 6, a secondary automatic regulating valve 7, an impurity tank 8, a control module 9, a primary overflow pipe 10, and a secondary overflow pipe 11. The starch slurry inlet pipe 1 is connected to the upper inlet of the starch slurry tank 2. The inlet of the starch slurry pump 3 is connected to the outlet of the starch slurry tank 2 via pipes and valves. The outlet of the starch slurry pump 3 is connected to the inlet of the primary cyclone separator 4 via valves and pipes. The overflow port of the primary cyclone separator 4 is connected to the primary overflow pipe 10, delivering the qualified material after cyclone treatment to the production station. The underflow port of the primary cyclone separator 4 is connected to the primary automatic regulating valve 5 via pipes. The outlet of the primary automatic regulating valve 5 is connected to the inlet of the secondary hydrocyclone 6 through a pipe. The overflow port of the secondary hydrocyclone 6 is connected to the inlet of the starch slurry tank 2 through the secondary overflow pipe 11. The underflow port of the secondary hydrocyclone 6 is connected to the secondary automatic regulating valve 7 through a pipe. The outlet of the secondary automatic regulating valve 7 is connected to the inlet of the impurity tank 8 through a pipe. The control module 9 is electrically connected to the primary automatic regulating valve 5 and the secondary automatic regulating valve 7.

[0013] The working principle of this utility model is as follows: After the corn is crushed and separated into fibers and germ, the raw starch milk enters the starch milk tank and is then pressurized by the starch milk pump and sent to the first-stage hydrocyclone. In the first-stage hydrocyclone, the light stream is separated by swirling and flows through the overflow port to the production station for further processing; the heavy stream is discharged from the underflow port and passes through the first-stage automatic regulating valve, and then enters the second-stage hydrocyclone for a second swirling. The light stream that has swirled a second time in the second-stage hydrocyclone enters the starch milk tank through the second-stage overflow pipe; the heavy stream that has swirled a second time in the second-stage hydrocyclone is discharged from the underflow port and enters the impurity tank through the second-stage automatic regulating valve. The impurity tank collects sand and gravel impurities for further recycling.

[0014] This invention utilizes a secondary cyclone impurity removal device. The primary cyclone removes qualified light starch milk that is then transported to the next process for continued production. The secondary cyclone controls the amount of impurities at the underflow outlet, ensuring that the maximum amount of impurities are separated. This improves the quality of the starch milk after separation, effectively removing impurities. Furthermore, the overflow from the secondary cyclone returns to the starch milk tank for further separation, enhancing both the separation effect and the separation quality.

Claims

1. A secondary cyclone impurity removal device for starch milk, comprising a starch milk feed pipe (1), a starch milk tank (2), a starch milk pump (3), a primary cyclone separator (4), a primary automatic regulating valve (5), a secondary cyclone separator (6), a secondary automatic regulating valve (7), an impurity tank (8), a control module (9), a primary overflow pipe (10), and a secondary overflow pipe (11), characterized in that: The starch milk feed pipe (1) is connected to the upper inlet of the starch milk tank (2). The inlet of the starch milk pump (3) is connected to the outlet of the starch milk tank (2) through a pipe and valve. The outlet of the starch milk pump (3) is connected to the inlet of the first-stage hydrocyclone (4) through a valve and pipe. The overflow port of the first-stage hydrocyclone (4) is connected to the first-stage overflow pipe (10). The qualified material after hydrocyclone is sent to the production station. The bottom outlet of the first-stage hydrocyclone (4) is connected to the first-stage automatic regulating valve (5) through a pipe. The outlet of the first-stage automatic regulating valve (5) is connected to the inlet of the second-stage hydrocyclone (6) through a pipe. The overflow port of the second-stage hydrocyclone (6) is connected to the inlet of the starch milk tank (2) through a pipe. The bottom outlet of the second-stage hydrocyclone (6) is connected to the second-stage automatic regulating valve (7) through a pipe. The outlet of the second-stage automatic regulating valve (7) is connected to the inlet of the impurity tank (8) through a pipe. The control module (9) is electrically connected to the first-stage automatic regulating valve (5) and the second-stage automatic regulating valve (7).

2. The secondary cyclone impurity removal device for starch milk according to claim 1, characterized in that: The first-stage hydrocyclone (4) and the second-stage hydrocyclone (6) are connected in series, and the overflow starch milk and the quality of the underflow are adjusted by the opening of the bottom first-stage automatic regulating valve (5) and the second-stage automatic regulating valve (7).

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