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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

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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.

What are the types of wood briquette machine?

Biomass is a renewable and green energy. It can be used as biomass molding fuel, biogas, bioethanol, biodiesel, etc. Biomass molding fuel is the simplest and the most widely used technology. It has 2 forms, wood pellets and biomass briquettes. They are different in size, density and application scope. Although wood pellets have wider application currently, biomass briquettes has many advantages and are popular in many areas.

Benefits of biomass briquettes

• The application of biomass briquettes can reduce deforestation. It can make full use of the crop wastes and forestry wastes. Briquettes also has better burning efficiency than wood logs.
• Biomass briquettes can make full use of wastes. The by-products of panel and furniture manufacturers take a great deal of money to tackle. By processing them into briquettes and sell to boiler users can make considerable profits.
• Residue derived fuel (RDF) and solid recovered fuel (SRF) requires high expenses to dispose. When made into fuel, they can be sold as an energy and make profits for the country.
• Biomass briquettes for stoves. Biomass briquettes can replace charcoal in stoves. Rural residents can make agriculture wastes into briquette fuel and use for heating or cooking.
• Make carbonized wood at low cost. Carbonized wood are hard to process due to high friction and low adhesive force. Biomass briquettes are cheap to make and convenient to carbonize.
• Increase the biogas production. Usually, wheat straw can’t be used in biogas production because it can’t absorb water. In the briquetting process, the high heat and mechanical compression change the straw structure. Adding 10% briquettes to the anaerobic digester can increase 150% biogas production.

Types of wood briquette machine

According to different mechanical principle, wood briquette machines can be classified into stamping briquette machine, hydraulic briquette machine, and screw briquette machine.

Stamping briquette machine

Stamping briquette machine is designed similar with eccentric press. The rotating eccentric part connected with the piston presses the raw materials into the tapered die and form into briquettes. Large flywheel ensures quiet and balanced operation, about 270 times per minute. The briquettes get cooled and harden in the cooling pipe, which transmit the briquettes out. The stamping briquette press works automatically and requires little maintenance. Sturdy design ensures long working life, about 7000-8000 hours per year.

The biomass briquettes made by stamping briquette machine can be used in wood-fired and coal-fired boiler. The length of briquettes can be random or the same. Stamping briquette machine features high capacity, low cost, and high density.

Hydraulic briquette machine

In a hydraulic briquette machine, the raw materials are fed to the compression chamber by the quantitative screw. Then the main piston press the raw materials into the mold and form into briquettes.

The compression process is slow in hydraulic briquette machine, about 6-25 cycles per minutes according to the feed quantity or briquette density. Traditionally, small hydraulic briquette machine has the capacity of 50-300kg/h. The diameter of cylindrical briquettes is 50-75mm, and the length is around 150mm. Currently, the hydraulic briquettes can be rectangle, and the size can be larger. The production capacity is up to 1.5t/h.

Rectangle briquettes has uniform size and easy to store. The density is lower than 1t/m3. The burning time is short. We can mix large-size materials to produce high-quality briquette, and used in fireplace and firewood stoves.

Screw briquette machine

The feed screw send the raw materials into the compression chamber, the cone compression screw press them into taper mold and extension mold. The compression screw rotates at the speed of 800r per minutes, and increase the temperature to 300℃ by the fraction and heating process.

The capacity of screw briquette press can reach up to 500kg/h. It is equipped with a small silo, PLC control panel, gas hood, and a saw. It requires uniform and fine materials, whose water content is 6-8%. With such materials, it can make high-density and high-quality briquettes that burn longer than other fuels.

How to select wood briquette machine?

Faced with so many types of briquette machine and manufacturers, how to choose a high quality briquette machine is a problem. You should pay attention to the following aspects: appearance, fastening condition, safety, test run, and final products quality.

• Inspect the machine appearance. The spray paint on the briquette machine should be uniform and steady, without exposed undercoat, sagging or peeling. The chrome plated part should be well polished, without peeling or corrosion. The stainless steel surface should be smooth, with neat polished pattern and no bumping.
• Check the fastening of main body, under-frame, drive engine. Check whether the fastening bolts are tight. Ensure the feeding port and discharge port are not blocked, the connecting parts are sealed tightly.
• Inspect the safety. The transmission system, whatever belt pulley, transmission shaft, or flange plate, should be shield with hood. These hoods should be tightly installed so that they can protect the safety of operators.
• Test run the briquette machine. During idling, there shouldn’t be any irregular vibration, crashing, or fraction. After confirming the idling is normal, you can feed some biomass materials, and check the quality of biomass briquettes.
• At last, make certain the capacity of the briquette machine meet your production requirement. Choose the briquette machines that can process various materials rather than those only applying to a certain material.

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