Notes

Biomass gas molding devices as well as modern technology<br>
What is biomass molding fuel?

Biomass molding gas is called BMF basically. They are briquettes, bars, pellets compressed from farming and forestry wastes. The manufacturing procedure of biomass fuel includes: resources collection, crushing, blending, drying out, molding, discharge, cooling and also packing. The molding procedure is executed by specialized biomass equipment Biomass molding fuel has high heat value as well as low pollutant emission, so it is a perfect substitute for nonrenewable fuel source.



How are biomass fuels made?

Biomass molding refers to pressing completely dry as well as crushed agriculture wastes into small as well as solid briquettes or pellets. As the biomass products includes high lignin content, it will thaw under high temperature as well as act as binders that adhesive the materials together. Often they need to be added with some binders or additives. The biomass molding tools has the processes of crushing, warm molding as well as shape maintenance.



The compressed biomass gas are utilized in heating cooktop, commercial central heating boiler and power plant. pelletising machine have the advantages of high density, excellent burning performance, high heating performance, reduced ash residue, as well as low pollutant exhaust. Besides, they are very easy to ignite, store, as well as transport, with huge market establishing prospect.



Biomass fuel molding tools.

According to various molding technology, the biomass gas molding tools can be classified into 4 types: stamping briquette press, screw squeezing out briquette machine, ring die pellet machine, and level die pellet machine.



Marking briquette press

Stamping briquette press make use of the two-way squeeze of reciprocating pistons to mold and mildew biomass products into briquettes. By replacing Richi machine , marking briquette press can generate briquettes of different shapes and sizes. As marking briquette press has brief extrusion time, so the density of briquettes is fairly low.




Screw squeezing out briquette press

Screw squeezing out briquette press has the similar framework as meat mill. The molding structure consists of a screw propeller, compression chamber, holes on molds, and a slicer. When the raw materials are fed to the briquette press, the screw propeller press them onward up until they go through the holes on the moulds, where they are developed into cylindrical bars. Afterwards, the slicer reduced the bars into particular length.



Ring die pellet machine

The molding part is a ring die with lots of openings on it, and also 2 or 3 press roller inside the ring die. When the raw products are fed to the compression chamber, the roller press the raw products exterior, as well as press them right into the holes on the ring die. When the raw products go through the holes and also come out, they become solid round pellets. Then slicers reduced them short. Ring die pellet machine has huge ability, ideal for medium and big wood pellet manufacturing facility.



Flat die pellet machine

In flat die pellet machine, the roller is set up on an upright shaft as well as cling to the benefit of the flat die. The raw products fall on the level die and the roller press them downward. Then they are ejected from the holes on flat die and reduced by a slicer. Flat die pellet machine has smaller dimension as well as inexpensive, appropriate for residence use and tiny timber pellet factory.



Requirement on products to make molding fuel


Little dimension as well as high thickness

The higher the thickness and also fluidity of resources, the higher the production. The ideal size of raw materials is under 5mm. It is advised to crush the crop straws right into great granules with a wood pulverizer. If you make use of a knead machine to refine the raw materials, there will be several silks, which is tough to feed, as well as the manufacturing is low.



Proper water content

The ideal wetness material of resources should be 15%-18%. Too high or too low water material will both influence the production and high quality of biomass fuel. If the moisture web content is expensive, the raw material will cause slipping between the inner wall and also moulds, as well as even obstruct the mould. If the wetness material is lower than 14%, the raw material will create severe rubbing to the moulds, and also the manufacturing is low.


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