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Straw pellets are used as biomass fuel and horse bedding

Date: 07/24/2020 08:33:02 From: Clicks:

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A customer from the UK wanted to build a straw pellet production line to produce biomass fuel and horse bedding. Ask if we can produce. Of course, no matter what kind of biomass raw material, we can produce it. Straw pellets are a perfect substitute for natural hay/straw, and can be used as bedding for horses or other animals. The pellets are easy to pour and economically transport longer distances. Straw pellets have characteristics very similar to those of natural straw. The main export markets for straw pellets are: Germany, Belgium, Sweden, France, Finland and Austria.

Straw pellets are used as biomass fuel
Straw pellets are used as biomass fuel

How To Make Straw Pellets?

Preparation of raw materials

The harvesting process leaves straws mixed with dusts and other alien materials like stones, metals and plastics. These foreign components have the potential to damage pelleting mills and also lower the quality of the pellets. They must therefore be removed.


Straw biomass is basically a tube-like material that needs to be crushed to the required size that can then be used in the aforementioned applications. Grinding mainly involves cutting and chopping the straw the appropriate dimensions usable in pelleting machines.


This process is often bypassed yet is still worth mentioning as part of straw pellet formation. Straw is delivered containing about 15% moisture content which is ideal for producing pellets. When saw dust is also used, then drying is added to the process.


This is basically the process of increasing straw hardness to the desired state. It involves application of steam or water as well as binding agents and additives. Conditioning is necessary for achieving right temperature that allows malleability and melting of the lignin (which is found in raw straw) to act as the binding agent. Increasing hardness prevents excessive abrasion when pelletizing.


Straw ring die pellet press is the main phase of producing straw pellets. During this proves, consider aspects of moisture content in the straw,fibre strength, particle size and natural binders. All these influence the pellet quality. It is also important to prevent pellet breakage, overheating and pellet die blocking. These challenges may lead to increased energy costs, damaging the pellet mill and poor pellet quality. It is thus important to use high quality straw and also use thicker pellet die to increase compression length and yield favourable quality.

Cooling and Screening

After pelletizing, the straws will generally be hot and soft. They should then be cooled down to attain desirable hardness while refining fine particles. The final product will have reduced moisture content yet depicting increased bulk density. The moisture is often reduced from the 15-20% to below 10% while density rises from 130 to about 600 kg/m³.

Straw pellets application

1) Straw pellets as fuel

Straw pellets as fuels are usually burning at pellet boilers, pellet stoves and other pellet appliance at household. While large scale straw pellets usually co-fires with traditional fuels, such as coals, oil and others, at large scale boilers or power plant or factory, etc.

2) As animal bedding

Beside being used as fuel and animal fodders, straw pellets can also be used as animal bedding, such as horse bedding, cat litter, etc. Straw pellets used as animal bedding are popular for straw pellets are , natural products without additives and of high hygienic, they are the best products for animal bedding.

Straw pellets are used as horse bedding
Straw pellets are used as horse bedding

3) As animal feed

Straw pellets can be good pellet fodder for animals. Comparing with straw, the straw pellets fodders has the advantages of cleanness, balance nutrition, easy to store and longer quality guarantee period.

Straw Husk Pellet Line Case

Indonesia 3-5T/H Alfalfa Straw Husk Pellet Line

Name: Alfalfa Straw Husk Pellet Line

Country: Indonesia

Capacity: 3-5T/H

Date: April 9th,2018

Installation cycle: 30 Days

Pellet Size: 6-12mm Alfalfa Straw Husk pellet

The main raw materials of customers are straw, alfalfa, husk, corn and soybean meal. Therefore, we customized a 3-5T / H Alfalfa Straw Husk Pellet Line according to the customer's raw materials. This line can used for produce different size the ruminant animal feed pellet.

Richi Machinery produces straw pellet machines, wood pellet machines, biomass pellet machines, wood pellet machines, alfalfa pellet machines, pasture pellet machines, etc. If you want to know more, please send us an email or consult at school, we will contact you as soon as possible!

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