Wheat bran twin-screw extruding treatment method and twin-screw extruding machine thereof

A twin-screw extruder and twin-screw extrusion technology, applied in high-shearing action, can solve the problems of general wheat bran processing and no guiding significance in wheat bran processing, and achieve easy digestion and absorption and low production cost. Low, production-friendly effect

Active Publication Date: 2007-03-28
河北黑马面粉有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above technologies have a general effect on the processing of wheat bran,

Method used

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  • Wheat bran twin-screw extruding treatment method and twin-screw extruding machine thereof
  • Wheat bran twin-screw extruding treatment method and twin-screw extruding machine thereof
  • Wheat bran twin-screw extruding treatment method and twin-screw extruding machine thereof

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Embodiment Construction

[0027] The twin-screw extrusion processing method of wheat bran includes the following steps: (1) Wheat bran conditioning: using a mixer, first add 40-60 mesh (pure) wheat (extracted from the bran machine in the wheat flour milling workshop) Bran, then add 10-15% (optionally 12%) (purified) water or 3-8% (optionally 5%) food-grade sodium hydroxide solution of the weight of the wheat bran, mix and stir for 3-6 minutes , Mix well. (2) Extrusion treatment: The co-rotating fully intermeshing twin-screw extruder is used to extrude the tempered wheat bran. The working parameters of the twin-screw extruder are: screw length to diameter ratio (L / D) 15-30:1 (optional 15:1 or 20:1 or 25:1 or 30:1), where L is the effective length of the screw, and D is the diameter (major diameter) of the screw. The compression ratio (V1 / V2) of the twin screw is 2~8:1 (2:1 or 5:1 or 8:1 is optional), where V1 is the volume of the screw groove of one pitch of the screw at the feeding end, and V2 is the row T...

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Abstract

The present invention relates to a twin-screw extrusion processing treatment method for wheat bran and its twin-screw extruder. Said treatment method includes the following steps; thermal refining wheat bran; extruding treatment, adopting twin-screw extruder to treat thermal refined wheat bran, the draw ratio of screw rod is 15-30:1, compression ratio of twin-screw is 2-8:1, the rotating speed of screw rod is 150-500 rpm; rotary cutting; and pulverizing. Said invention can make the microorganism, biological enzyme and injurious insect eggs being in the wheat bran be completely killed and inactivated so as to make the wheat bran obtain further development and utilization.

Description

Technical field [0001] The invention relates to a twin-screw extrusion processing method of wheat bran, which belongs to the category of deep processing of food processing by-products, and is a processing method in which wheat bran undergoes high temperature, high pressure, and high shear effects and can be released to normal pressure instantly. The invention also relates to a twin-screw extruder used to realize the method. Background technique [0002] As a by-product of wheat flour, wheat bran is widely used in feed and food industries. Used in the production of feed, as one of the raw materials to produce vinegar, soy sauce, wine and other foods. The main reason for restricting the further application of wheat bran is that wheat bran contains a large number of microorganisms and parasite eggs, which is not tolerant to storage and unsafe to eat; wheat bran is rich in biological enzymes, has high activity and is not easy to store; The taste is rough, scumming, the taste is very ...

Claims

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Application Information

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IPC IPC(8): A23P1/12A23P30/20
Inventor 赵文华
Owner 河北黑马面粉有限责任公司
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