Processing flow of Parboiling Rice Mills
Precleaner–destoner — soaking — steaming — drying — rice husking–rice separator — rice milling — rice polishing and grading — rice corlor sorting –rice packing.
Product Process Details Description of Parboiling Rice Mills
1) Pre-cleaner & destoner– In this stage we remove the dust from the paddy, if the paddy has dust when it is soaking it will pollute the water and influence the nutrition of rice.
2) Soaking– The aim of soaking is make paddy absorb enough water, creat conditions for starch pasting.During the course of starch pasting paddy must absorb above 30% water,or it will not be able to fully steam the paddy in next step and thus to influence the quality of rice.
3)Steaming– After soaking the inside of endosperm has got many water, now its time to steam the paddy to realize starch pasting.Steaming can change the physical structure of rice and keep the nutrition, to increase the production ratio and make rice easy to store.
4) Drying and Cooling– The aim of drying is to make moisutre reduced from around 35% to around 13%.To reduce moisture can greatly increase the production ratio and make rice easy to store and transport.
5) Husking The machine is used to remove paddy peel,after soaking and steaming it will be very easy to husk the paddy and save energy.
6) Rice Separator The machine is used to separate mixture of paddy and husked rice(also called brown rice),then paddy will go to rice husk machine again to remove shell.
7) Rice Milling The pearling of pre-boiled rice cost much more time than normal paddy. The reason is that after soaking the rice is easy to become smectic. In order to avoid this problem we use blowing rice miller, and increase the rotating speed of rice miller,the rice bran transmission adopt pneaumatic type to reduce the friction.
8) Rice Polishing(mist type) Rice come through the polishing machine, it will make the milling rice become more beautiful color and more smooth, thus to increase the quality of rice.
9) Rice Grading Grading machine is used to separate different quality rice and separate broken rice from the good ones.
10) Color Sorting The rice we get from above step still has some bad rice, black rice,yellow rice or some other grains or stone.So here we use color sorting machine to select the bad rice,black rice,yellow rice and other grains.Color sorting machine is an important machine to ensure we can get high quality rice.
Specification of Parboiling Rice Mills
|Application||White Rice Processing|
|Usage||Remove the rice shell|
|Our service||Offering installation and debugging|
|Product capacity||10-300 tons capacity per day , 24 hours|
Successful project of Parboiling Rice Mills
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