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A processing method and rice technology, which is applied in the field of food processing and grain processing, can solve the problem of high power consumption per ton of rice, and achieve the effects of reducing storage costs, increasing the rate of rice production, and reducing the rate of broken rice
Inactive Publication Date: 2017-03-15
WUHAN POLYTECHNIC UNIVERSITY
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Problems solved by technology
Therefore, in the processing of rice, it is easy to produce broken rice, and the power consumption per ton of rice is also high
Method used
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Embodiment 1
[0022] (1) According to the existing conventional method, select the paddy that has just been harvested and has a moisture content between 25% and 26%.
[0023] (2) Cleaning, grading, and impurity removal are carried out to the paddy according to existing conventional methods to become clean and fresh paddy.
[0024] (3) Put the net fresh grain into a batch dryer with a volume of 30 tons, and use hot air at 50°C to 65°C to dry the rice in the dryer, and control the temperature of the grain in the machine to be less than 38°C. The precipitation rate is between 0.6% and 1.1%. The clean and fresh grains are circulated and dried in the dryer, and the moisture value of the clean and fresh grains is detected online. When the moisture value detected online is greater than 18%, repeat the above cycle drying process; when the moisture value detected online is less than or equal to 18%, control the temperature of the hot air between 45°C and 55°C, and control the grain temperature in t...
Embodiment 2
[0030] (1) Transport the rice with a moisture content of 15% to 16% from the warehouse to the rice processing workshop according to a conventional method.
[0031] (2) Cleaning, grading, husking, separating paddy and whitening the rice according to conventional methods to obtain raw rice.
[0032] (3) Put the raw rice into the dryer, and carry out circulation drying according to the fresh-keeping and drying process of raw rice, so that the moisture content of the raw rice is between 12% and 12.5%.
[0033] (4) Cool the gross rice, control the ventilation temperature in the cool rice warehouse at 5°C to 30°C, and the ventilation rate per ton of gross rice at 30m 3 / h~60m 3 / h, cold rice time is 20 to 40 hours.
[0034] (5) According to conventional methods, sorting, selecting, color sorting, polishing, measuring and packaging are carried out, which is the product.
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Abstract
The invention discloses a fresh keeping processing method of rice. The method has the following technical key points: drying fresh rice to enable the water content of the fresh rice to be 15 to 16 percent within 48 hours after the rice is harvested; controlling the rainfall speed to be 0.3 to 0.8 percent every hour, and controlling the temperature of hot air to be 40 to 60 DEG C; then, laying the rice with the water content being 15 to 16 percent into a barn with a ventilating system, so as to temporarily store the rice; leading fresh air into the barn every day during temporary storage, and ensuring that the ventilation quantity for each ton of rice every day is 50m3 to 200m3; ensuring that the fresh keeping processing is to prepare brown rice through the rice with the water content of 15 to 16 percent, to perform 3 to 6 times of emery roll whitening on the brown rice to prepare rice not completely processed, and to perform fresh keeping drying on the rice not completely processed, so as to ensure that the water content of the rice not completely processed is controlled within 12 to 12.5 percent; performing finishing, grading and vacuum package on the dried rice not completely processed, putting the rice not completely processed into storage, so as to temporarily store the rice, and then ensuring that the rice not completely processed comes into the market and is circulated. The method has the benefits that the method is beneficial to mould prevention and insect prevention of rice and the reduction of storage cost, prolongs the expiration life of the rice, and is beneficial to the improvement of economic benefit of rice processing enterprises and the additional valve of the rice.
Description
[0001] The invention relates to the technical field of food processing, in particular to the technical field of grain processing, in particular to a fresh-keeping processing method for rice. Background technique [0002] At present, my country's rice production and consumption mainly adopt the model of rice circulation. After the rice is harvested, it is dried, and then put into the warehouse for storage or temporary storage, and then out of the warehouse to be processed into rice, and then enter the market for circulation and consumption. When rice is stored in storage for more than one year, the safe moisture content of rice storage is 13.5% to 14.5%; the safe moisture content of rice storage temporarily is 15% to 16%. However, when the rice is processed out of the warehouse, the optimum processing moisture is 15% to 16%. Therefore, there is a problem that the storage moisture of paddy and the processing moisture of paddy do not match. In addition, the optimum storage mois...
Claims
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Application Information
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