Rice milling process
How delicious rice is produced
In order to deliver safe and secure products to customers, the rice milling plant has established a system that enables thorough prevention of foreign material contamination and traceback* under a strict multi-layered check system.
*Trace back: record of the manufacturing history of goods
rice polishing
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- ■ Acceptance Inspection
- When brown rice arrives at the mill, it undergoes a quality check of more than 10 items at the receiving inspection room.
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- ■Hopper
- Only brown rice that meets quality standards is fed into the plant's stakeout hopper and passes through the mesh.
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- ■ Pneumatic conveying
- Rice is conveyed with the "Soft Pneumatic Conveying System " *. Since the rice is transported with air, it is resistant to cracking and prevents foreign matter from mixing with the rice.
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- ■Roughing Machines
- Relatively large foreign objects such as wood chips and straw dregs, as well as immature and crushed rice, are removed.
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- ■Unpolished rice tank
- Only good quality brown rice is sent to the brown rice tank.
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- ■Rice milling machine
- The rice is polished to a uniform white rice by a rice milling machine. At the end of milling, every grain of residual rice is discharged cleanly.
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- ■Sorting Machines
- Crushed rice and nuka balls are removed.
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- ■Digital color sorters
- Glass, plastic, stones, and colored rice contaminated during milling are removed.
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- ■Insect separator
- Foreign objects lighter than rice, such as hair and powder, are removed.
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- ■Packer tank
- Rice is differentiated according to brand, variety, use, etc., and sent to the packer tanks.
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- ■ Packaging
- Checks barcodes on bags of rice to eliminate errors during packaging changeover, such as mismatches between bags and contents.
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- ■Metal Detectors
- All products are run through a metal detector for a final check for metal contamination.
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- ■Shipping line
- Mechapare system is installed for high-speed loading. Automated shipping system.
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- ■Traceback System
- The lot number printed on the rice bag allows instant confirmation of the production history up to the time of receipt of raw materials.
- See "How Good Food is Made
Soft pneumatic pneumatics are unique to the Sachiura Plant.
centralized control room
The centralized control room manages the entire production process from brown rice to white rice. Computers control all the equipment in the plant, the types of brown rice and products, and product shipment plans, thereby realizing product manufacturing that eliminates errors and waste, from the arrival of brown rice to the final shipment of products.
Related Links
See Mitsuhashi Rice's approach to product creation.