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Briquettes are formed by compressing agricultural, forestry, or solid waste into cylindrical shapes. This is accomplished with the assistance of a briquetting press machine. The Briquetting Machine aids in the binding of trash into complete briquettes, bio-coal, or white coal. The process involves pressing the raw material so hard that it becomes solidified with the help of the natural lignin found in the raw-material using briquetting press machines.

A high-quality biomass briquette machine is required to produce high-quality biomass briquettes. This machine can be purchased from a recognised manufacturer of biomass briquette machines. The briquette manufacturing unit could incorporate a variety of machinery, including a woodchipper, biomass shredder, hammer mill, drying system, and the briquetting press machine itself.
The production of biomass briquettes begins with the use of a crusher, shredder, or wood-chipper machine to crush raw material to a size of 20 &#; 50mm. Further, Hammer Mills are used to fine-grind the material even further. Additionally, the drying system removes the moisture from the raw material, which is then processed through the briquetting press machine. This entire system is known as a briquette plant.

Read More About: What is a Briquette Press?

How many types of briquetting presses exist?

Here is a list of the types of briquetting presses that can be used for manufacturing biomass briquettes.

&#; Piston Press
&#; Hydraulic Press
&#; Manual Press
&#; Screw press
&#; Roller Press

 

1. Piston Press

This mechanical briquetting press is made up of a ram (piston) and a die. It is powered by either an electric motor or a diesel engine. To make biomass briquettes with a briquetting press, a ram with a very high compaction pressure is reciprocated into a die to form a briquette. For large-scale production, the machine generates a compressive force of 200 MPa, with production ranging from almost 200 kg/h to 2,500 kg/h.

2. Hydraulic Press

The raw material is conveyed to the pre-compactor by the screw conveyor in a hydraulic briquetting press, after which it is pushed into the die by the main piston, which compresses the raw material into the final form. The pressure of the die in this type of briquette press can be modified, which changes the density of the final briquettes.

3. Manual Press

There are numerous varieties of manual briquette presses that aid in the densification of materials. These presses are operated with bare hands and rarely use electricity. They have an entirely manual operation, produce a little amount of briquettes, and are usually utilised in the home.

4. Screw press

Screw Briquette presses usually include three types: conical screw presses, cylindrical screw presses with heated dies, and cylindrical screw presses. In these presses, continuous feeding into a screw with heated dies to push the material into a cylindrical die to make lignin flow is used. This technology works with a special screw pressure that pushes raw material into a chamber to narrow it.

5. Roller Press

The roller briquette press is set up to make pillow-shaped briquettes from a variety of feedstocks. With dual cylindrical rollers rotating in opposite directions on parallel axes, it works on pressure and agglomeration. There are two rollers in the procedure to keep a tiny gap between them. It is usually determined by elements such as feedstock type, moisture content, particle size, binder addition, etc.

Process of producing briquettes

Below are the steps to produce high-quality biomass briquettes using different types of briquetting press machines:

&#; Collecting of Biomass Waste Raw-material
&#; Crushing
&#; Drying
&#; Compressing the waste material into the form of a briquette
&#; Packing and Loading of the Finished Good Briquettes

 

Uses of Biomass Briquettes

Biomass briquettes can be used by industrial, commercial, or household sectors. Biomass briquettes are used for electrical power generation or thermal applications, however, they are typically utilised for thermal applications in industries as an alternative to fossil fuels. It also helps to utilize the waste raw materials and use it as a fuel.

The following are the sectors where biomass briquettes are used:

&#; FMCG & Beverages Industry
&#; Pharmaceutical Industry
&#; Brick Kilns
&#; Dyeing Plants
&#; Honey Extraction Plants
&#; Milk Plants
&#; Food Processing Units
&#; Oil Extraction Plants
&#; Cooking & Baking
&#; Cement Plants
&#; Leather Industry
&#; Paper Mills
&#; Rubber Industry
&#; Chemical Plants
&#; Residential Heating & Many More

 

Benefits of using Biomass Briquettes

The compactness of Briquettes helps to increase the heating charge. As a result, briquettes can produce more intense heat than loose fuel. There is a considerable amount of thermal and lower ash content. It makes them hotter and longer lasting.

Biomass briquettes are also very sustainable and easy to store. You can collect them in heaps in, cylindrical, or rectangular shape blocks. The other most important factor to note is briquettes consist of plants and animal wastes. This factor makes them less expensive to produce and sell. Further briquettes are environment friendly.

Use of Biomass Briquettes

&#; Concentrated
&#; More Combustion Time
&#; Easy for Transportation
&#; Economical
&#; Tax Benefit
&#; Low Emission of Harmful Gases
&#; High Thermal Value
&#; Made from Leftover Biomass Waste

Conclusion

In today&#;s world where energy requirements have increased and agricultural waste is becoming a source of combustible material. It is beneficial for producing fuel for both industrial and domestic use.

Producing bio-coal briquettes with the help of a good-quality briquette press or briquetting press machine can be the best way to meet energy requirements. It is a sustainable and eco-friendly alternative to a new renewable energy source. Therefore, you should choose the best-quality biomass briquette machine from one of the leading biomass briquette machine manufacturers, ECOSTAN.

How does a briquette machine work &#; types and making process

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.

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How conditioning can improve pellet quality

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.

If you want to learn more, please visit our website Biomass Briquette Machine.

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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.

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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