Gravity Destoner,Rice Destoner

Gravity destoner,TQSF gravity destoner and rice destoner is widely used to separate stoner in seeds in accordance the different specific gravity and suspension spped between seedss and dinas.

TQSF gravity destoner make use of the combine effect of wind-force and vibration, to separate the stone in seeds. The husk and other right impurity discharge by the wind power.

Destoner,Rice Destoner is the TQSF series gravity grade stoner for destoner. Destoner is new and efficient multi-functional cleaning equipment to separate stone from the cereals under the comprehensive function of vibrating, screening and airflow.

Principle of TQSF gravity destoner:
- The sieve box which is normally equipped with two-layer sieves is supported by hollow rubber springs and is caused to oscillate by one or two vibrators depending on machine execution.
- The grain is spread by a feeder across the entire width of the machine, and then the product stream is stratified on the pre-separation screen according to its specific gravity by the oscillating motion of the screen and by the air flowing through the product from bottom to top. The light particles collect at the top, and the heavy ones including the stones at the bottom.
- The lower layer with the heavy particles flows upward and is fed to the final separation zone of the bottom de-stoning screen. Final separation of the stones from the grain is accomplished by a countercurrent of air.
- The stone-free product streams on the two screens float on cushions of air, flowing slowly toward the product outlet, and then are discharged through the squeezed rubber valves.
- To achieve the optimum degree of separation, the inclination of the screens, the air volume and final separation can be adjusted accordingly.
- There is a big difference in the suspended speed between grains and high-density matters such as stones, metal and glass, while the suspended speed for heavy and light grains also varies. Based on these, the mixed heavy impurities will be separated from grains, and effective gradation between heavy and light grains is achieved.

Features of TQSF gravity destoner:
- Advanced design and excellent fabricating.
- Reliable and excellent stone separation and efficient cleaning.
- High specific capacity.
- Easy operation and maintenance.

Scope of application of rice destoner:
The specific gravity destoner is used in grain milling for the classification and separation of granular materials into high-density (heavy), mixed and low-density fractions. It can classify and/or separate crushed corn (maize), corn germ and endosperm, light impurities from durum or ergot from wheat. The gravity stoner is mainly used for removing the coarse impurities, such as abreast stones, mud pieces and coal cinder, after wheat pre-cleaning. It also can be used for cleaning and choice of other food grains.

Gravity destoner, rice destoner technical data

Type Power(kw) Square of sieve Air volume(m³) Capacity
TQSF80 2*0.25 800*1000 100 9
TQSF100 2*0.25 1000*1000 150 10
TQSF125 2*0.25 1250*1000 170 12-14

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