Dry Powder Briquetting Machine

Dry Powder Briquetting Machine For Sale

Dry powder briquetting machine, also known as dry powder briquetting machine, can be used to suppress coal, iron powder, coking coal, aluminum powder, iron scrap, tin oxide, carbon, coal, slag, gypsum, tailings, sludge, kaolin, activated carbon and other low water content or do not contain water powder materials. The material formed by the ball press is energy saving, environmental protection and convenient for transportation, which improves the utilization rate of waste materials and has good economic and social benefits.

Why Should You Briquette Your Dry Powders?

Briquettes are simply better than powder. When you briquette your fine powders, you create a product that is dense, uniform in size, and easy to manage. This solves several major problems. It drastically reduces dust, leading to a safer and cleaner workplace. It makes the material easier to store and transport without loss. Most importantly, for industries like steelmaking or chemical processing, briquettes provide a consistent, predictable feed for furnaces and reactors, improving process efficiency. This turns a low-value or waste powder into a premium industrial product.

What is the Features of Dry Powder?

The biggest challenge with dry powders is air. Fine powders like quicklime or mineral fines can be over 70% air by volume. If you try to compress this in a standard press, the air gets trapped. When the briquette leaves the rollers, this trapped, high-pressure air expands, causing the briquette to crack or even explode back into dust. A true dry powder briquetting machine is designed specifically to solve this de-aeration problem before compaction.

What is the Dry Powder Briquetting Machine?

A dry powder briquetting machine, also known as a high pressure roller press, is an industrial machine built for extreme compaction. Unlike standard briquetting machines that rely on binders and moisture, this machine uses immense mechanical and hydraulic force to press dry materials directly into solid blocks. The entire machine, from the feeding system to the frame, is engineered to handle the unique challenges of dry, abrasive powders and the massive forces required for powder compaction.

What is the Structure of the Dry Powder Briquetting Machine?

The structure of this machine is all about strength and pressure.

• Massive Frame: The frame is not a simple welded structure. It is a solid block of cast steel or a heavily engineered, stress-relieved plate frame. It acts like an anvil, absorbing the constant shockwaves of the pressing process without flexing or failing.
• Force-Feeder: This is the machine’s secret weapon. It is a specially designed tapered screw auger that actively forces the powder towards the rollers, squeezing out the trapped air before the main pressing stage.
• High-Alloy Rollers: These are the heart of the machine. They are made from forged high-chromium alloy steel (like 9Cr2Mo) and are heat-treated for extreme hardness to resist the abrasion from dry minerals.
• Hydraulic System: A powerful hydraulic system provides consistent, adjustable pressure to the rollers, ensuring each briquette reaches the target density.

How Does a High-Pressure Dry Powder Briquetting Machine Work?

The process is a masterclass in pressure management.

1. Forced Feeding: Dry powder is fed into a hopper that leads to a pre-pressurizing screw feeder.
2. De-aeration: The screw auger aggressively pushes the material forward, compressing it and forcing out most of the air.
3. High-Pressure Compaction: The de-aerated powder is then forced into the gap between two counter-rotating rollers. The hydraulic system applies immense pressure, compacting the powder into the pockets on the roller surfaces.
4. Demolding and Discharge: As the rollers turn, the newly formed, dense briquettes are released from the pockets and fall onto a discharge conveyor below.

The Dry Powder Briquetting Machine offers Several Performance Advantages

• Functional and compact construction
• High degree of compression and high briquette output
• Comfortable silent running and Low maintenance expenses
• Environment protection and energy conservation
• Convenient transportation and high waste utilization rate

Features of Dry Powder Briquetting Machine

The Dry Powder Briquetting Machine Applications

Dry powder briquette machine is suitable for the cold pressing of magnesium powder, iron powder, manganese powder, activated carbon, bauxite, caustic soda, graphite powder, clay, cryolite, fertilizers, plastics, limestone, pigment, potassium salt, ilmenite concentrate powder, titanium powder, manganese powder, silicon manganese alloy, aluminum, aluminum powder,  dolomite, calcium carbide, sludge, dust, oxide, copper powder, zinc powder, flux, soil vanadium ore and various industrial powder, waste powder, stainless steel, non-ferrous metal powder, metallurgy powder and so on. The pressed briquettes can be directly used in metallurgy, coal, building materials, chemical industry, electric power, refractory, and other industries.

Applications of Dry Podwer Briquetting Machine

Working Principle of Dry Powder Briquetting Machine

The dry powder ball press is transmitted to the reducer by the main motor through the v-shaped belt, and the reducer passes through the coupling to the driveshaft and then ensures the synchronization of the two rollers by a pair of gears (equal speed reverse). The piston of the passive roller hydraulic cylinder is supported (the constant pressure is supported by the inclined iron), and the pressure of the system is guaranteed by the hydraulic circuit, hydraulic control valve, and accumulator.

Materials from the storage bin into the molding machine hopper, by adjusting the gate on the hopper, the material uniform into the middle of the roller. The pressure of the material compressed by the roller with equal speed reverse operation increases from small to large, and the forming pressure reaches the maximum at the connecting line of the center of the matching roller. After the material passes the line, the forming pressure decreases rapidly, making the material enter the state of falling off the ball and falling off the ball smoothly.

What Makes This Machine Different from Wet Briquetting Presses?

The difference is night and day. A wet briquetting press uses low to medium pressure and relies on a binder (like starch) and water to stick the particles together. The resulting briquettes are weak and must be sent to a large, energy-intensive dryer for hours to cure and gain strength. A binderless briquetting machine uses 5 to 10 times the pressure. It requires no binder and no water, which means there is no need for a dryer. The strength comes entirely from achieving extreme density, which mechanically interlocks the particles. This saves massive costs on binders and energy.

Which Materials are Suitable for Briquetting?

This technology is ideal for a wide range of dry, inorganic powders that are difficult to handle.

• Mineral Fines: Iron ore concentrate, manganese ore, chrome ore, magnesium powder.
• Industrial Dust: Quicklime powder, dolomite dust, aluminum dross, copper powder, converter dust from steel plants.
• Chemical Powders: Desulfurization gypsum, fluorite powder, various salt powders.

At ZONEDING, we always recommend a material test first, as different powders require specific machine configurations for optimal results.

How Do You Choose the Right Dry Powder Briquetting Machine?

Choosing the right machine is critical for long-term success. You must look beyond the basic specs.

1. Ask About the Rollers: Do not accept standard cast steel. Insist on forged high-chromium alloy (e.g., 9Cr2Mo). Ask for the material certificate. This is the single most important factor for wear life and operational cost.
2. Inspect the Frame: Look at the machine. Does it look like a fabricated chassis or a solid block of steel? A heavy, cast steel frame is a sign of a machine built to last under extreme pressure.
3. Confirm the Feeder Type: Ensure the machine includes a dedicated, pre-pressurizing force-feeder. A simple gravity feeder will not work for fine dry powders.
4. Discuss Your Target Density: A professional supplier will ask about your material and your required final briquette density. The entire machine should be configured to achieve this target, not just to produce a certain tonnage.

What is the Price of a Dry Powder Briquetting Machine?

The price of a dry powder briquetting machine can vary significantly, from around $50,000 for a small, basic model to over $500,000 for a large-scale, high-performance system. The price is much higher than a standard wet briquetting press because every component is massively over-engineered to handle extreme pressure and abrasion. Investing in a cheaper, under-built machine is a common mistake that leads to constant downtime and a very short service life. The lime powder briquetting machine price, for example, is directly tied to the quality of its wear parts.

What Factors Influence the Final Price of the Machine?

The final price is determined by the machine’s specification and capabilities.

• Capacity: Higher tons per hour requires a larger, more powerful, and more expensive machine.
• Roller Material: Forged high-chromium rollers can cost several times more than standard rollers but are essential for abrasive materials.
• Motor and Hydraulics: Using premium brands like Siemens motors and high-quality hydraulic pumps adds to the cost but ensures reliability and efficiency.
• System Scope: The price increases if you need a complete system, including feeders, conveyors, screens, and a fines recycling loop—which is highly recommended for maximizing profit.

How to Maintain the Dry Powder Briquetting Machine?

Maintenance is focused on managing wear and pressure.

• Roller Inspection: The rollers are your primary wear part. Regularly inspect the pocket surfaces for wear. Depending on the abrasiveness of your material, rollers may need to be resurfaced or replaced periodically.
• Bearing Lubrication: The roller bearings handle immense loads. A strict, regular lubrication schedule is absolutely critical to prevent catastrophic failure.
• Hydraulic System: Check hydraulic oil levels, temperature, and for any leaks. Clean filters as recommended.
• Feeder Inspection: Ensure the screw auger of the force-feeder is not excessively worn, as this will reduce de-aeration efficiency.

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General Specification