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

Biomass molding fuel is called BMF in short. They are briquettes, bars, pellets compressed from farming and also forestry wastes. The manufacturing procedure of biomass gas consists of: raw material collection, squashing, blending, drying, molding, discharge, air conditioning and also packing. The molding procedure is performed by specialized biomass equipment Biomass molding gas has high warmth value as well as reduced contaminant exhaust, so it is an ideal replacement for nonrenewable fuel source.



Exactly how are biomass fuels made?

Biomass molding describes compressing dry and also smashed agriculture wastes right into compact and solid briquettes or pellets. As hydraulic pellet press machine consists of high lignin material, it will melt under heat and also work as binders that glue the products with each other. Often they need to be included with some binders or ingredients. The biomass molding devices has the procedures of crushing, warm molding and also form maintenance.



The pressed biomass gas are utilized in heating stove, commercial boiler and also power plant. They have the advantages of high thickness, excellent burning performance, high heating efficiency, low ash deposit, as well as low contaminant emission. Besides, they are easy to fire up, store, as well as transportation, with large market establishing prospect.



Biomass gas molding devices.

According to different molding technology, the biomass gas molding tools can be identified right into 4 types: marking briquette press, screw squeezing out briquette machine, ring die pellet machine, and also level die pellet machine.



Marking briquette press

Stamping briquette press utilize the two-way squeeze of reciprocating pistons to mold biomass materials right into briquettes. By replacing the extrusion mold and mildew, stamping briquette press can produce briquettes of various sizes and shapes. As marking briquette press has brief extrusion time, so the density of briquettes is relatively reduced.



Screw squeezing out briquette press

Screw squeezing out briquette press has the comparable structure as meat grinder. The molding structure includes a screw prop, compression chamber, openings on mold and mildews, and also a slicer. When richi pellet mill are fed to the briquette press, the screw prop press them forward until they go through the holes on the moulds, where they are created into round bars. After that, the slicer reduced benches right into specific length.




Ring die pellet machine

The molding part is a ring die with several holes on it, and also 2 or 3 press roller inside the ring die. When the raw materials are fed to the compression chamber, the roller press the raw products exterior, as well as squeeze them right into the holes on the ring die. When the raw materials go through the holes and appear, they end up being strong round pellets. After that slicers cut them short. Ring die pellet machine has huge capability, suitable for medium and also big wood pellet manufacturing facility.



Apartment die pellet machine

In flat die pellet machine, the roller is mounted on a vertical shaft as well as hold on to the advantage of the flat die. The raw materials fall on the flat die and also the roller press them downward. Then they are ejected from the holes on flat die and also reduced by a slicer. Flat die pellet machine has smaller sized dimension and affordable, ideal for home usage and little wood pellet factory.



Requirement on products to make molding gas

Small size and also high density


The greater the density and also fluidity of raw materials, the greater the production. The suitable size of basic materials is under 5mm. It is recommended to crush the plant straws into fine granules with a timber pulverizer. If you make use of a knead machine to process the raw materials, there will certainly be numerous silks, which is hard to feed, and the production is reduced.



Appropriate water web content

The suitable wetness web content of raw materials need to be 15%-18%. Too high or also low tide content will both influence the manufacturing and top quality of biomass fuel. If the wetness web content is too high, the raw material will certainly trigger sliding in between the inner wall surface and also moulds, and even block the mould. If the dampness material is lower than 14%, the raw product will cause extreme friction to the moulds, as well as the production is reduced.


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