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Pressing machine: What’s the difference between dry pressing and wet pressing?
Time：Jun 27,2022
Ball press machines can be divided into two main categories based on material type: dry powder ball presses and wet powder ball presses. The key distinction between these two types lies in their forming processes—dry powder ball presses rely solely on the pressing force of the machine to shape the pellets, using no binders for physical formation. As a result, the resulting pellets retain their original material properties with relatively low moisture content. In contrast, wet powder ball presses not only depend on pressure during pellet formation but also incorporate binders to achieve chemical bonding, leading to stronger pellets that exhibit some degree of change in their original material characteristics.
The dry powder ball press machine is primarily used to compress powdery materials that are difficult to shape due to their low moisture content, such as quicklime powder, magnesium oxide powder, copper concentrate powder, chromite ore powder, lead-zinc waste materials, aluminosilicate clay, non-ferrous metal powders, refractory materials, and ceramic raw materials. Its main purposes include reducing dust emissions, controlling bulk density, enabling material reuse, and enhancing transportation efficiency. Widely applied across industries like metallurgy, chemical processing, and refractory manufacturing, this equipment stands out for its high forming pressure, adjustable main unit rotation speed, and equipped spiral feeding mechanism.
Application Fields of the Dry Powder Briquetting Machine: This machine can be used to compress a variety of powders, including iron powder, aluminum powder, iron oxide scale, carbon powder, slag, gypsum, tailings, sludge, kaolin, activated carbon, and coke fines—effectively transforming waste materials into high-quality, spherical briquettes. The machine is capable of producing specially shaped briquettes such as square, egg-shaped, round, goose-egg-shaped, and pillow-shaped designs. Users can even customize the exact shape according to their specific needs. Economic Benefits: Materials processed into briquettes using this machine are not only energy-efficient and environmentally friendly but also easier to transport. Additionally, they significantly enhance the utilization rate of waste materials, delivering substantial economic and social benefits.
After years of industrial use and continuous improvement, the wet powder balling machine boasts notable advantages such as a high balling efficiency, low power consumption, and a compact design that makes maintenance and adjustments convenient. Widely applied across various industries, this machine can be used to agglomerate, granulate, or form balls from materials including kaolin, aluminum chips, activated carbon, alumina, bauxite, caustic soda, charcoal, clay, coke fines, coal, cryolite, fertilizers, plastics, limestone, pigments, urea, potassium salts—and many others. Its primary purpose is to minimize dust generation, control bulk density, enable material reuse, and enhance transportation properties.
There isn’t a clear-cut distinction between dry and wet powder balling machines when it comes to handling materials. For the same material: if the moisture content is high, requiring the addition of a binder, a wet powder balling machine is used; but if the moisture level is low—making it impossible to add binders without altering the material’s properties—then a dry powder balling machine is the right choice. Since the dry powder balling process relies solely on physical pressure to form the pellets, machines operating this method consume significantly more energy for the same production capacity compared to wet powder balling machines, which are far more energy-efficient.
In summary, when selecting a pelletizing machine, it's crucial to choose based on the material properties and the requirements for forming pellets—never follow trends blindly.
Zhengzhou Hongxin Mining Equipment Co., Ltd. develops and manufactures complete sets of magnesium oxide pelletizing equipment, customizable to meet specific customer needs. We offer well-designed, cost-effective production line solutions tailored to your requirements. As a direct manufacturer, we provide competitive pricing straight from the factory. We warmly welcome friends from all industries to visit us for discussions and collaborations! For more product information, feel free to contact Hongxin Mining—our 24-hour hotline is available anytime: Manager Sun, at 13703990669.
We provide professional briquetting machine equipment and competitive quotes.
We will contact you within 24 hours of receiving your message.
Tel:+86-13703990669
Tel:+86-18182214485
Email:zzhxjixie@126.com
Address: Longgang Development Zone, Xingyang City, Zhengzhou City, Henan Province
Email:zzhxjixie@126.com
Tel:+86-13703990669
Tel:+86-371-64696918
Address: Longgang Development Zone, Xingyang City, Zhengzhou City, Henan Province
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