Converting paddy to rice in a rice mill

What is the conversion of scarf into rice at the Shalikobi factory?

✔️ Harvest from the farm

After the stages of planting and planting, the rice plant in the fields is often harvested by industrial machines to be transferred to the factory to convert paddy into rice. Before starting the harvesting operation, farmers cut off the water in their fields for ten days so that the land dries up and prepares for the harvest machines (combines). At this stage, the rice plants also dry up a bit and turn light brown. Then they harvest the rice in the traditional way (with a sickle), or in an industrial way. The rice shipments are transferred to the rice milling or rice milling factory.

✔️ Drying of the product to start the steps of turning scarf into rice

The first step, drying the rice, is very important and sensitive. The moisture content of rice should be reduced to about eight percent in order to provide a quality product to the customer. Also, if the speed or time of drying is not suitable, it may cause spoilage or excessive fragility of the seeds, and finally, the product will be of poor quality or very small. To increase the accuracy in this step, many people tend to use pre-washed devices to perform the drying operation as delicately as possible. Although some still tend to use traditional methods to go through this and other steps. Industrial dryers are divided into two general categories; continuous flow (standing) and fixed bed (lying). The load of rice is normally left in the dryer for 48 to 72 hours to dehumidify it. In the traditional method, before sending the rice to the factory, the farmers would spread it on mats or stones and turn it over every few hours until it was completely dry.

✔️ Cleaning the shawl

Rice has waste such as dried stalks, stones and dust grains; Therefore, it should be completely cleaned to maintain the quality of the final product. Also, if the paddy is not cleaned well, it may affect the life of the peeler. For this, it is necessary to sieve the rice. During sieving, straw and other foreign materials are separated from the seeds. There is also a special device for sieving rice, which removes extra materials and even dust from the paddy with proper suction.

✔️ Separate the rice from rice, turning paddy to rice

Actually, at this stage, which is also called peeling, it is done to separate the paddy, or the cellulosic shell, from the grains of whole grain rice. . This work is done by peeling machines, which have different types. For example, rice threshers use machines such as blade huskers, plate huskers, rubber roller machines and centrifugal huskers. Of course, the output of the peeling machines is a mixture of paddy, healthy brown rice and broken brown rice.

✔️ Whitening of rice without skin

To turn brown rice into white rice, we need to separate the bran layer from the seeds. To do this, it is necessary to grind the rice. Therefore, they are put into the bleaching machine to change their color from brown to white due to rubbing. The deeper the abrasion, the whiter the color of the rice. To prepare the brown rice available in the market, the amount of abrasion will be less and for completely white rice, the abrasion will be more. Whitening of rice is usually done by special devices in which the type of blades, horizontal or vertical wear, and the type of friction are different. As a result of these rubbings, a powdery and cream-colored substance is extracted from the seeds, which is called bran.

✔️ Sale of bran for other uses

The effect of using rice bran in the treatment of many diseases has been proven. According to tests, this substance is very rich in useful substances, such as vitamins B and E, iron, phosphorus and antioxidants. Consuming this substance has a positive effect on the functioning of the digestive system, regulating sugar and blood pressure, as well as strengthening hair and skin.

✔️ Rice grading

Among the polished rice, a separation is done again for healthy and broken rice to be packed and prepared for sending to customers. This separation is done by machines with four sieving stages, and half-grain rice is completely separated from healthy rice.

Mrs. Javadzadeh

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