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Rice husk pelletizing equipment, renewable and sustainable energy


Rice husk, also the most common being rice hull or chaff, is the outermost layer of the seed or grain which is separated from the rice grains during the milling process. It is a yellowish color and has a convex shape. It is formed from hard material, such as silica and lignin, in order to protect the seed during the growing season.

According to the research of IRRI(The International Rice Research Institute), about 20 percent of grain weight is husk, each kg of milled rice can release approximately 0.28 kg of rice husk as the by-product.

rice husk


As for the appearance, rice husk is slightly larger than a grain of rice, and the length maybe up to 7mm, the dimensions maybe 4mm by 6mm. It is lightweight compared to other things, and have a ground bulk density of 340kg/m3 to 400kg/m3.
Generally speaking, rice husk is abundantly available in rice production countries such as China, Bangladesh, Brazil, US, India, Cambodia, Vietnam, Myanmar, and South East Asia. Annually, there maybe about 770 million tons of husk produced in Asia.

rice husk and rice husk pellets
How to deal with rice husk?

In the past, rice husk was always considered as the waste product, they were burned or dumped in the rivers or on landfills, which can cause serious environment problem and related human health problems.

But in recent years, the uses of rice husk are continually growing, now it is increasingly used as biomass to fuel and co-fuel power plants or feed animals. This is because that the shortage of energy is one of the most biggest challenges human faced, with the consumption and dried up of the fossil fuels such as petroleum and coal, to find some alternative source is becoming more and more urgent, this is the strategy each country should give priority to develop. Biomass fuel is on the agenda, it means utilize the biomass pelletizing equipment, such as rice husk pelletizing machine to process some waste things into pellets to solve the energy problem.

rice husk pellets combustion effect
Rice husk pellets

So according to the trend of market, rice husk is also always processed into rice husk pellets as biofuels or the fodder of many animals, such as chicken, fish, pig, cow, sheep and etc. In fact, in most countries, rice husk is not waste anymore, some enterprising companies are turning it into various products and pellets not only used in the eco-conscious market place but also for the industrial usage. The finished rice husk pellets are cylindrical granule with uniform size.

Rice husk pelletizing machine

Rice husk pellets are produced by rice husk pelletizing machine, the density of rice husk pellets are much higher than the raw material of rice husk, and there is perfect combustion performance for rice husk pellets. So it is proven that rice husk pellets are mainly used in industrial boilers or home stoves as a substitute for fossil fuel.

Usage of rice husk pellets

The burning performance of rice husk is much better, and there is not sulfur and heavy metal, the pollution is pretty tiny. What’s more, the combustible component of rice husk can up to 70 percent, the calorific value is 12.5 to 14.6 MJ/kg, which is appropriately the half of coal, so make rice husk into pellets with rice husk pelletizing machine has the brightly prospect.
Due to the bulk density of rice husk is small, generally 100-140kg/m3, and the surface is rigidity, both are have limitation to the usage. While, with the help of rice husk pelletizing machine, rice husk can easily processed into pellets, which can improve the combustion efficiency and reduce the cost of transportation and storage.

Suggestions on choosing rice husk pelletizing machine

Now that rice husk pellets have so many advantages such as lower pollution, high combustion ratio and higher economic effectiveness, it’s time for you to act, to find the most suitable rice husk pelletizing equipment.

corn stalk pellet press
Consider the production capacity
The price, if the rice husk pelletizing equipment is cost-efficient with a competitive price or not will absolutely effect the choice of it. What’s more, the production capacity of pelletizing machine also should be put into consideration.
pellet mill spare parts
Consider the raw material
If the rice husk pelletizing machine is made of superior alloy steel, generally, the manufacturers are prefer to adopt alloy steel to make rice husk pelletizing machine. Let along the professional pelletizing equipment manufacturer, GEMCO.
making corn stalk pellet
Consider the spare parts
If the roller and die of the rice husk pelletizing machine is easy to change, these two parts are quite important and damageable spare parts, so when choosing rice husk pelletizing machine, the change of roller and die is also significant.
Our cetifications
Founded in 1997, Anyang GEMCO Energy Machinery Co, Ltd(GEMCO) is one of chinese earliest companies engaged in biomass energy machinery development. Such as flat die pellet press with electric motor, diesel engine, gasoline and PTO. What's more, we have got many certifications all over the world.
    Certificate
  • China Association Of Rural Energy Industry(CAREI)
  • China Flat die biomass briquetting technology standard-making group
  • ISO9001 international quality system and EU CE Certification
  • 10 patents on biomass briquetting and flat die pellet press
  • Chinese customs class A enterprise, over 80% products for export
  • High quality supplier for made-in-china.com and Alibaba

100 patented applied technologies. Based on professional team, strong research capability and strict testing standards, GEMCO can guarantee you the top-class Biomass Energy Machineries.

D type
APPEARANCE DRIVEN BY MODEL POWER CAPACITY (kg/h) WEIGHT (nw/gw) PACKING SIZE (mm)
Electric motor pellet mill Electric motor ZLSP-D 150B 5.5kW 50-100 95/110 800x450x700
ZLSP-D 200B 7.5 kW 80-120 200/230 1050x480x930
ZLSP-D 230B 11 kW 120-200 290/320 1180x540x1000
ZLSP-D 260B 15 kW 160-250 320/360 1240x540x950
ZLSP-D 300B 22 kW 250-400 350/380 1300x560x1100
electric motor pellet mill with enclosure Electric motor
with enclosure		 ZLSP-D 150C 5.5kW 60-110 105/125 1000x480x780
ZLSP-D 200C 7.5 kW 80-120 210x230 1050x550x830
ZLSP-D 230C 11 kW 120-200 290/320 1200x560x950
ZLSP-D 260C 15 kW 160-250 340/370 1240x560x1000
ZLSP-D 300C 22 kW 250-400 425/465 1300X620X1100
diesel engine pellet mill Diesel engine ZLSP-D 150A 8HP 50-100 180/220 100x500x750
ZLSP-D 200A 15 HP 80-120 210/240 1460x750x900
ZLSP-D 230A 22 HP 120-200 280/310 1560x850x1100
ZLSP-D 260A 30 HP 160-250 330/360 1200x500x1070
ZLSP-D 300A 41 HP 250-400 410-450 1220x600x1000
gasoline engine pellet mill Gasoline engine ZLSP-150Q 7.5HP 90-120 180-220 1000x500x750
PTO pellet mill PTO ZLSP-D 150P ≥8 HP 50-100 90-110 900x540x1020
ZLSP-D 200P ≥15 HP 80-120 130/150 1000x540x1020
ZLSP-D 230P ≥22 HP 120-200 175/200 1000x540x1020
ZLSP-D 260P ≥33 HP 160-250 235/255 1050x540x900
ZLSP-D 300P ≥41 HP 250-400 305/325 1100x540x1000
R type
APPEARANCE DRIVEN BY MODEL POWER CAPACITY (kg/h) WEIGHT (nw/gw) PACKING SIZE (mm)
electric motor pellet mills Electric motor ZLSP-R 200B 7.5kW 80-120 215/245 950x450x1050
ZLSP-R 300B 22 kW 250-350 540/575 1350x750x1400
ZLSP-R 400B 30 kW 350-450 770/810 1400x800x1450
ZLSP-R 420B 37 kW 400-600 700/1100/1200 1630*620*1400
ZLSP-R 550B 55 kW 500-800 1770 2300x750x1850
diesel engine pellet mills Diesel engine ZLSP-R 200A 15HP 80-120 320/350 1460x950x1100
ZLSP-R 300A 41 HP 250-350 850/890 1100x700x2480
ZLSP-R 400A 55 HP 350-450 1010/1050 1300x800x2600


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