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Rice processing technology

A rice processing and technology technology, applied in the field of invention, can solve the problems of low rice cleanliness, low rice processing quality, incomplete filtering of impurities, etc., so as to reduce the broken rice rate, increase the quality, and increase the service life. Effect

Inactive Publication Date: 2018-11-20
安徽鑫泉米业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are certain disadvantages in the existing rice processing technology. First, the impurity is not filtered thoroughly, the cleanliness of the processed rice is not high, and the processing process is easy to cause damage to the machinery. Secondly, the rice broken rate is high, and the rice processing quality is low. Therefore, we propose a rice processing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Screening, put the harvested rice into the drum primary cleaning sieve to remove impurities such as straw, and the time is 5 seconds;

[0031] (2) remove the stone, put the rice screened in the step (1) into the stone remover to remove foreign matter such as soil, sandstone blocks mixed in the rice, the time is 5 seconds;

[0032] (3) magnetic separation, the paddy after stone removal in the step (2) is put into the magnetic separator to remove impurities such as iron filings, and the iron filings on the magnet of the magnetic separator should be removed before magnetic separation, with an impurity rate of 1%;

[0033] (4) dehumidification, the rice after the magnetic separation is spread in the drying room, and the thickness of the spread is 1cm, and the rice is repeatedly dried by hot air until the moisture content of the rice is 15%, and then the rice is cooled to room temperature;

[0034] (5) husking, put the dehumidified rice into the rice huller to remove the...

Embodiment 2

[0043] (1) Screening, put the harvested rice into the drum primary cleaning sieve to remove impurities such as straw, and the time is 7 seconds;

[0044] (2) remove the stone, put the rice screened in the step (1) into the stone remover to remove foreign objects such as soil, sand and stones mixed in the rice, and the time is 7 seconds;

[0045] (3) magnetic separation, the paddy after stone removal in step (2) is put into magnetic separator to remove impurities such as iron filings, before magnetic separation should remove the iron filings on the magnetic separator magnet, impurity rate 0.5%;

[0046] (4) dehumidification, the rice after the magnetic separation is spread in the drying room, the thickness of the spread is 1.3cm, and the hot air is used to dry the rice several times until the moisture content of the rice is 16%, and then the rice is cooled to room temperature;

[0047] (5) husking, put the dehumidified rice into the rice huller to remove the rice hulls, adjust ...

Embodiment 3

[0056] (1) Screening, put the harvested rice into the drum initial cleaning sieve to remove impurities such as straw, and the time is 10 seconds;

[0057] (2) Stone removal, put the rice screened in the step (1) into a stoner remover to remove foreign matter such as soil, sand and gravel blocks mixed in the rice, for 10 seconds;

[0058] (3) magnetic separation, the paddy after stone removal in the step (2) is put into magnetic separator to remove impurities such as iron filings, before magnetic separation should remove the iron filings on the magnetic separator magnet, impurity rate 0%;

[0059] (4) dehumidification, the rice after the magnetic separation is spread in the drying room, and the thickness of the spread is 1.5cm, and the rice is repeatedly dried by hot air until the moisture content of the rice is 17%, and then the rice is cooled to room temperature;

[0060] (5) husking, put the dehumidified rice into the rice huller to remove the rice hulls, adjust the gap betw...

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Abstract

The invention discloses a rice processing technology. The rice processing technology comprises the following specific steps of screening, specifically, harvested rice is put into a roller precleaner for removing straw and other impurities, and the time is 5 to 10 seconds; stone removing, specifically, the rice screened in the above step is put into a stone remover to remove soil, sandstone blocksand other foreign matters mixed in the rice, and the time is 5 to 10 seconds; magnetic separating, specifically, the rice with the stone removed in the above step is put into a magnetic separator to remove iron chips and other impurities, and the impurity rate is not more than 1%; and dehumidifying. According to the rice processing technology, through screening layer by layer, stone removal and magnetic separation, various impurities in the rice are effectively filtered out, so that the rice processing is cleaner; the cleanliness of the rice is increased, meanwhile the damage of the impuritiesto the processing machine is reduced, and the service life is prolonged; the white rice is graded twice, the broken rice rate of the rice is reduced, the qualified rate of the rice processing is ensured, the rice quality is increased, and better use prospects are brought.

Description

technical field [0001] The invention relates to the invention of a rice processing technology, improves the traditional rice processing field, and particularly relates to a rice processing technology. Background technique [0002] Rice processing is the process of removing the husk of rice. Rice grains are composed of husk, cortex, germ and endosperm. The purpose of rice processing is to separate the endosperm from other parts with the minimum degree of crushing and make rice with better eating quality. , Rice is very nutritious and is one of the main food of the Chinese people. In order to meet people's needs, it is necessary to continuously improve the processing technology of rice; [0003] There are certain disadvantages in the existing rice processing technology. First, the impurity is not filtered thoroughly, the cleanliness of the processed rice is not high, and the processing process is easy to cause damage to the machinery. Secondly, the rice broken rate is high, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02B5/02
Inventor 李菲菲
Owner 安徽鑫泉米业股份有限公司
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