Liquid return device, starch spraying and stewing equipment and starch liquefying device and method

A technology of jet cooking and starch liquefaction, applied in the field of starch deep processing

Active Publication Date: 2019-07-12
COFCO GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of how to increase the concentration of starch milk in the process of producing starch sugar from

Method used

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  • Liquid return device, starch spraying and stewing equipment and starch liquefying device and method
  • Liquid return device, starch spraying and stewing equipment and starch liquefying device and method
  • Liquid return device, starch spraying and stewing equipment and starch liquefying device and method

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0050] Example 1

[0051] Included figure 1 The starch sugar production device of the jet cooking equipment of the liquid return device provided by the present invention is shown to produce starch sugar with high-concentration starch milk.

[0052] Among them, the outer diameter of the inlet of the liquid return device (equal to the outer diameter D of the inner tube) is 3.2cm, the inner diameter (d) of the outlet of the liquid return device is 4cm; the length of the extending section of the inner tube inside the outer tube (L) is 5cm , The extension section is connected to the expansion section, the cone apex angle α of the expansion section is 30°, the outer diameter (F) of the inner pipe outlet is 3.85cm, and the inner diameter is 3.5cm. One liquid return pipe with an inner diameter of 1.5 cm, which is arranged perpendicular to the outer pipe 1.

[0053] On the starch milk jet cooking liquefaction device containing the liquid return device provided by the present invention with ...

Example Embodiment

[0059] Example 2

[0060] The outer diameter of the inlet of the liquid return device (equal to the outer diameter D of the inner tube) is 3.2cm, and the inner diameter (d) of the outlet of the liquid return device is 4cm; the length (L) of the extension section of the inner tube inside the outer tube is 5cm, The inlet section is connected to the expansion section, the cone apex angle α of the expansion section is 45°, the outer diameter (F) of the inner pipe outlet is 3.9cm, and the inner diameter is 3.55cm. One liquid return pipe with an inner diameter of 1.5 cm, which is arranged perpendicular to the outer pipe 1.

[0061] On the starch milk jet cooking liquefaction device containing the liquid return device provided by the present invention with a processing capacity of 1000L / h, the commercial dry starch and fresh process water are prepared into dry starch content of 38% by mass, 42% by mass and 44% by mass, respectively. Starch milk with three concentrations of mass%, and add...

Example Embodiment

[0067] Example 3

[0068] The outer diameter of the inlet of the liquid return device (equal to the outer diameter D of the inner tube) is 3.2cm, and the inner diameter (d) of the outlet of the liquid return device is 4cm; the length (L) of the extension section of the inner tube inside the outer tube is 5cm, The entrance section is connected to the expansion section, the cone apex angle α of the expansion section is 60°, the outer diameter (F) of the inner pipe outlet is 3.93 cm, and the inner diameter is 3.6 cm. One liquid return pipe with an inner diameter of 1 cm, which is set perpendicular to the outer pipe 1.

[0069] On the starch milk jet cooking liquefaction device containing the liquid return device provided by the present invention with a processing capacity of 1000L / h, the commercial dry starch and fresh process water are prepared into dry starch content of 40% by mass, 43% by mass, and 45% by mass, respectively. Starch milk with three concentrations of mass%, and add ...

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Abstract

The invention relates to the field of starch liquefying processing, and discloses a liquid return device, starch spraying and stewing equipment and a starch liquefying device and method. The liquid return device includes an inner pipe and an outer pipe which are in sealed communication, wherein the inner pipe includes a stretch-in segment arranged inside the outer pipe; a radial gap exists betweenthe outer pipe and the stretch-in segment; a liquid return pipe communicated with the radial gap is arranged on the portion, corresponding to the stretch-in segment, of the outer pipe and can be usedfor introducing first liquid into the radial gap, so that after entering the radial gap, the first liquid is injected into the outer pipe against the inner wall of the outer pipe. Return liquid can flow against the inner wall of the outer pipe, starch paste with high viscosity is transported to enter a subsequent liquefying process, starch is efficiently liquefied, and energy consumption is reduced.

Description

technical field [0001] The invention relates to the field of starch deep processing, in particular to a liquid return device, starch jet cooking equipment, a starch liquefaction device and a starch liquefaction method. Background technique [0002] In the process of producing starch sugar from starch, it is usually necessary to mix commercial starch with a water content of about 13-14% and water in a certain proportion to make starch milk, then add a certain amount of starch liquefaction enzyme to the starch milk, and then pass Jet cooking is used for gelatinization of starch, and then the high-viscosity starch paste is liquefied to obtain water-soluble dextrin or starch sugar with only one or several glucose groups. [0003] In the process of jet cooking and liquefaction of starch milk, under the existing technical conditions, when the mass concentration of dry starch (also known as dry base starch) in starch milk reaches about 36%, the concentration of starch milk should c...

Claims

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Application Information

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IPC IPC(8): C12M1/40C12M1/00C12P19/14C12P19/04
CPCC12M21/18C12M33/04C12P19/04C12P19/14
Inventor 佟毅许克家李义陶进孙本军陈博丁子元刘颖慰田芳王灿叔谋
Owner COFCO GROUP
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