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lianggong

Rice Polisher(LIANGGONG) machine is designed and improved by introducing foreign advanced technology, which is the leading polishing set in rice processing field. The highlight of this polisher machine is the spraying part that sprays uniformly vaporific water on the surface of the rice under the hight pressure of water & air, which improve the damage and nonuniform state in the process of polishing, ensuring the rice smooth and luster.

Rice polisher machine features

1. Equipped with water pump and air pump to achieve spraying water automatically and conveniently in the constant temperature.

2. Advanced polishing technology to make sure the high quality and low breakage rate.

3. Convenient to operate with the current and negative pressure display device.

4. Innovative appearance and reliable machine properties.

5. Polished rice has a longer shelf life.

6. Higher and bigger sparing and polishing efficiency & productivity.

7. Muti-functional appliance for brown rice, black rice, and red rice and so on.

8.The appropriate air suction device guarantees the precision of polishing, increasing the rate of rice bran and reducing the temperature and moisture of polishing rice.

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lianggong

Rice Whitener(LIANGGONG) incorporates advanced techniques for whitening of brown rice. It uses the vertical abrasive grinding wheel and follows top to bottom working principle.

The rice is whitened very gently between grinding wheel & screen without distracting the original shape of the rice kernel. These are installed with silicon carbide wheels to reduce the breaking of grains during the whitening process. A specially designed aspiration system takes away the bran produced during the whitening process. This vertical rice whitening machine is equipped with a mechanism for adjusting the degree of whiteness. The accurate & precise assembly techniques ensure lowest broken content.

The product is subjected to abrasion in the whitening chamber between the sievesand grinding wheels to remove a thin layer of bran. To attain the desired whiteness the rice is subject to additional passes in the whiteners. These are also equipped with a mechanism that allows customers to control the amount of grain whitening to suit their requirements.

Rice whitener features:

Silicon carbide grinding wheels

Adjustable CNC punched sieves

Spring controlled whitening adjustment

Stainless steel discharge

Exhaust connection for bran suction

Available Range: 1.5 tph to 12 tph

Advantages of rice whitener:

Whiteners are designed for superior output of whitened rice with less percentage of broken

This machine can be used on all types of machines

These machines are available in wide range of capacities

Provides uniform whiteness on all the grains

Mounted with a differential type manometer for accurate control of chamber pressure

Capable of handling Raw, Steamed and Parboiled Rice

Vertically mounted silicon carbide grinding wheels assures higher head rice yield and reduced broken yield

Differential manometer for precise control of chamber air pressure

Ensures uniform whiteness on all grains

Sturdy rigid and heavy duty construction lowers the maintenance costs

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lianggong

Fortunately, an increasing number of rice mills are turning to innovative rice polishing technology to deliver new standards,use Rice Polisher(LIANGGONG),improve quality, enhance food safety and deliver the degree of whiteness and silkiness that consumers demand.

Polished rice has benefits for food producers and retailers too. It improves the appearance of the grain, making it more visually appealing at the point of sale, meaning it can command a higher price. It also removes traces of bran left after the whitening process. This is particularly important, as glycerides in the bran turn rancid when exposed to oxygen. If they are not removed, they reduce the shelf life and eventually result in a product that is unfit for consumption.

However, the demand for high-gloss, transparent-looking rice in some parts of the world has been so high that unsafe, unapproved methods have been used to give the desired result. For instance, glazing the rice with non-food-safe additives, such as oil or talcum powder.

Prior to the advent of modern polishers, several simpler methods were used including pounding the rice using a pestle and mortar, rubbing it on the floor, beating gently with clubs in jute bags and treading by humans and animals.

These makeshift means, often carried out in poor hygiene conditions, not only required significant time and energy, but usually resulted in a poorly-finished and significantly damaged rice, with high levels of wastage.

The first commercial rice polisher is widely believed to have been patented by the British engineer Sampson Moore. The inventor, a prominent engineer during the British Industrial Revolution, was credited in the London Gazette for his invention on June 21st 1861, for “improvements in the machinery or apparatus for dressing and polishing rice”.Since those early days, a range of machines have improved the efficiency and quality of milled, polished rice.

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lianggong

The product quality of Rice Whitener(LIANGGONG) process has largely dependent on operation experiences, which is a key problem for this type of food processing systems that might lead to variability in the final product quality. An intelligent automatic control system has been proposed for rice whitener machines based on expert database system. The new control system replaces the traditional mechanical actuators with stepper motors, along with sensors and supervisory control and data acquisition (SCADA), achieving digital visualization of the rice whitener process. The operation experiences can be conveniently transferred into the expert database system in real time, allowing the control system to automatically select the relevant operation parameters. The developed scheme has been implemented in an industrial system at the trial stage. The preliminary results are positive in improving product quality and reducing labor intensity.

Rice is one of the most important cereals in the world. In recent years, with the emerging of large-scale rice processing production line, the most of them have realized the automation of production process. which has solved the rice processing line flow control and production process monitoring, improving production efficiency, and greatly reducing the labor intensity of workers. However, the operation of the rice whitener machine in the rice processing line is entirely dependent on skilled workers at present. The rice whitener machine, which determines the quality of processing, is the key milling equipment in the rice processing line. The control of whiteness (degree of milling) and percentage of broken kernels is done by skilled workers who adjust the pressure door in the outlet, according the color, translucent, temperature etc. of the milled rice. Due to the low cost of electricity at night, rice processing mills usually produce at night. It will make the workers who operated rice whitener machine very tired. All the facts together with the poor working environment (noisy and dusty) which may cause workers leave, will result in unstable production quality.

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