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There are several types of briquette machines with different working principles, they work on different pressures and are suitable for different materials. So how they work differently? What are their advantages and disadvantages? Let's follow this article.
What is a briquette machine
A briquette machine is used to turn the waste fine/powder into a regular shape block, which can help to improve the physical or chemical conditions for those powder, make it easy for transportation, storage, reduce the generated dust and be more useful for further applications.
The briquette system is able to deal with all kinds of materials under suitable sizes and moisture.
Briquetting work always takes place with the binder as the raw particles need the binding effect to get enough strength when they are turned to briquette, whatever it's internal or extra additives. Biomass and industrial waste are sometimes different from each other when briquetting due to the binder source they are using.
Types of briquette machines and how they work
Screw type
The screw type briquette machine uses the auger to press the raw material, with different materials, it can be equipped with or without the heating system.
The heating system is a special design for those briquetters deal with materials containing lignin or any material that significantly improve plasticity under high temperature. Lignin is a material alway can be found on biomass but needs high temperature to improve its performance. So the heating system is usually used for biomass briquetting. Other materials like coal, charcoal, etc. binders are always needed when briquetting with this type of machine due to their poor plasticity.
When making briquette from a screw briquetter, the suitable material will be first fed to the hopper and then conveyed by the screw inside the briquette machine. With the rotating screw takes the material from the feed port, and compacts it against a die which assists the build-up of a pressure gradient along the screw.
Finished briquette output from the end like a stick. Normal cross-section shapes we usually find can be square, round, plum blossom, etc.
As the screw briquette machine works with a pressure not that high, binders are always needed forming the briquette. Equip with a heating system will help the biomass material melt the internal lignin and turn it into a high-performance binder. Besides, other materials also work with this briquetter like coal, charcoal, etc. These materials should be well mixed with the binder to get the briquette forms.
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Examples:
Hydraulic type
The hydraulic type works with a hydraulic pump station which supplies a very big pressure. Because of its high pressure, almost all the materials can be briquette with this system.
Metal, as a raw material that reflects plasticity under high pressure, is specially suitable to be briquette by the hydraulic type briquette machine.
The briquette working process is in a chamber where materials are fed into, these materials are briquetting under very high pressure. It causes their plasticity and makes them binding stably together as a block.
Hydraulic type takes a long pressure keeping time on the briquette compare to other types, it causes more elastic deformation be transformed into plastic deformation. Elastic deformation is an unstable deformation. After the pressure is relaxed, the density of the briquette gradually decreases due to its existence. Transforming the deformation can improve the quality of the briquette to a certain extent. On the other hand, the longer heat generated by briquetting keeps the bonding of the lignin more stable. That makes the briquetting performance better and as well as the quality of briquette.
Examples:
Piston type
The piston type uses the rotary power of the mechanical device or the thrust of the hydraulic cylinder to reciprocate the piston (or the plunger), and the piston (or plunger) drives the ram to reciprocate in the forming sleeve to generate a pressing force to form the material to briquette.
A big pressure will be generated as the movement of the flywheel and punch the briquette time after time in a short time, it raises the temperature of the raw material. As the raw material moves, it fractionates with the inside, another kind of heat ' friction heat generates. With the action of these two kinds of heat, material raises its own temperature to a high level and melt the lignin. Particle materials then bind together and become strong enough.
The honeycomb briquette machine is a simple type of piston briquette machine, it uses the wheel as well but briquette only punched once to form.
Examples:
Roller Type
Roller press works with two close rotating rollers at the same speed but with opposite direction. The two rollers, with the same width and diameter, have holes on the surface. When they move, the same two holes on the different roller will coincide at the intersection of the midline and the briquette will be pressed there.
With different pressure requirement, roller press can be designed into several types.
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A normal roller press will use a wedge iron or a spring to fix the movable roller as it works on a low pressure. The hydraulic pump station also can be used to fix the roller and supply a much bigger but flexible support to the roller to work stable under high pressures.
Examples:
With the consideration of investment and facility requirement, choosing the right type will help to make the briquette business much efficient and make briquette with high quality.
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As this scientific article highlights, briquetting is often used for environmental purposes. It allows businesses to reduce the amount of biomass residue that might otherwise be wasted. Examples include banknotes, wood, lignite, paper and cardboard dust and charcoal.
However, our briquetting machines are more than capable of dealing with a host of other materials. Banknotes, dust and even metallic waste products can all be compacted in such a manner. Once these materials have been compressed to a specific point, they can be sent off for recycling or otherwise repurposed.
Now that we have gained a basic understanding of the purpose of briquetting, what does it truly entail? Let us examine the process in greater detail.
We can think of briquetting similarly to compressing a material (such as when using a trash compactor). However, there are two main differences:
For instance, Hunkeler Systeme can offer various shapes and sizes when briquetting metal waste. In this case, their dimensions can be reduced by up to 40 times the initial volume.
The processes are still generally the same for different products. First, the material is fed into a silo. This substance is then compressed either through the use of a screw or a hydraulic press. As an example, the HHB briquetting press provided by our team employs hydraulics to achieve a compression level of 1:15.
Thanks to superior levels of automation, many briquetting machines can be operated manually or through using advanced software. This helps to increase throughput while reducing any human-based errors.
Briquetting machines share many common features (although their exact configurations may vary slightly). Here are some of the core components:
Thanks to the user-friendly layout offered by our machines, implementation is also straightforward.
Although the descriptions above were somewhat simplified, they provide a basic overview of how briquetting works. It is now wise to examine some of the benefits that businesses can leverage from this technique.
It is important to remember that these machines can deal with a variety of materials. Three common examples include wood, dust and paper-based products. When these are compressed into briquettes, they can be used as a source of fuel. In other words, this process will provide businesses with a sustainable edge over their competitors.
Many nations have embraced a 'green' approach to their manufacturing processes. That is why some countries will provide valuable subsidies to firms that compact their materials for subsequent recycling. While such a possibility will vary from region to region, it is still an important advantage to note.
Companies are always eager to reduce operational costs while enhancing their return on investment (ROI). Briquettes can offer the best of both worlds. First, the machines reduce the amount of on-site space occupied by waste products.
Also, the hydraulic slider configurations offered by Hunkeler Systeme will allow these products to be easily transported. This factor massively reduces logistical costs.
Although the notion of briquetting has existed for some time, the associated technology has evolved at a breakneck pace. Our team is pleased to provide a wide array of options based on your bespoke requirements.
If you would like to learn more, please take a moment to contact one of our specialists. We will be happy to answer any questions that you may have.
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