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

A twin-screw extrusion and twin-screw extruder technology, which is applied in the directions of food forming, food science, and application, can solve the problems of lack of guidance in the processing of wheat bran and the general effect of processing and processing of wheat bran, and achieve easy Digestion and absorption, low production cost, beneficial effect of production

Active Publication Date: 2009-09-23
河北黑马面粉有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above technologies have a general effect on the processing of wheat bran, and some of them have no guiding significance for 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

Examples

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Embodiment Construction

[0028]The twin-screw extrusion processing method of wheat bran includes the following steps: (1) Wheat bran conditioning: using a mixer, first add (extracted from the wheat flour milling workshop) 40-60 mesh (pure) wheat bran Bran, then add 10-15% (optional 12%) (pure) water or food-grade sodium hydroxide solution with a concentration of 3-8% (optional 5%) accounting for the weight of wheat bran, and mix and stir for 3-6 minutes , mix well. (2) Extrusion treatment: Extrude the tempered wheat bran by using a co-rotating full-mesh twin-screw extruder. The working parameters of the twin-screw extruder are: the screw length-to-diameter ratio (L / D) is 15-30:1 (optionally 15:1 or 20:1 or 25:1 or 30:1), wherein, 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 to 8:1 (optional 2:1 or 5:1 or 8:1), where V1 is the volume of the screw groove of one pitch of the screw at the feeding end, and...

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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 for wheat bran, which belongs to the category of deep processing of by-products of grain processing, and is a processing method for instant release of wheat bran to normal pressure through high temperature, high pressure and high shearing. The invention also relates to a twin-screw extruder for carrying out the method. Background technique [0002] As a by-product of wheat flour milling, 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 resistant to storage and is unsafe to eat; wheat bran is rich in biological enzymes with high activity and is not easy to store; The taste is rough, slag, and the taste is very...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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