Used Slow-Running Tooth Roller Mill for sale (22,644)

Condition: used, functionality: fully functional, Slow-running plastic granulator – only 25 rpm, preventing thermal damage. Gear roller mill Goliath Plus 1 Hnsdsy Azp Ejpfx Ai Njk Milling chamber size (feed chute): 228 x 172 mm Power requirement only 1.5 kW Weight 230 kg (built like a tank) Dust-reduced, consistent granulate quality. Easy cleaning in 2–3 minutes! Very quiet operation. Low energy consumption. Rotatable cutter elements for double the cutter unit service life Paddle level indicator in the discharge hopper: No "grinding in its own juice" possible, as the mill shuts down in advance.

Condition: ready for operation (used), Year of construction: 1997, functionality: fully functional, wheel diameter: 275 mm, wheel width: 150 mm, travel distance X-axis: 640 mm, travel distance Y-axis: 870 mm, workpiece diameter (max.): 275 mm, TECHNICAL DETAILS Wheel diameter: 275 mm Wheel width: 150 mm Maximum module: 6 Minimum module: 1.5 Workpiece diameter: 275 mm Maximum face width: 5.5 mm Spiral angle: 0 - 60° Number of teeth: 5 - 120 Minimum gear ratio: 1:1 Maximum gear ratio: 1:10 Milling Depth Axis (X-Axis) Travel: -25 to 640 mm Max. traverse speed: 6 m/min Workpiece Positioning Axis (Y-Axis) Travel: 870 mm Max. traverse speed: 4.5 m/min Axis Shift (Z-Axis) Travel range: +/- 50 mm Max. traverse speed: 0.657 m/min Generating Rotation Axis (A-Axis) Swivel range: 315° Hnedpfx Aeywgy Ssi Njk Max. swivel speed: 40°/s Workpiece Spindle (B-Axis) Max. workpiece spindle speed: 300 rpm Outer cone (1:4) clamping diameter: 140 mm Inner cone (1:20): 99.218 mm Workpiece spindle bore: 90 mm Workpiece Swivel Axis (C-Axis) Swivel range: -8.5 to 98° Max. swivel speed: 21.5°/s Tool Spindle (D-Axis) Spindle speed: 60 to 350 rpm Tool Positioning Axis (E-Axis) Swivel range: 0 to 360° Max. swivel speed: 19.5°/s Machine Distance (V-Axis) Travel: 150 mm Max. traverse speed: 1.6 m/min MACHINE DETAILS Cutter drive motor Power: 20 kW Workpiece drive Power: 14.5 kW Total connected load: 62 kVA Dimensions & Weight Machine weight: approx. 12 t Space requirement: approx. 4,700 x 4,387 x 2,450 mm EQUIPMENT 13 cutters

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 900-485-425 RA1876 Make: Knapp Running direction: both directions Roller width (RB): 425 mm Nominal/outer width (NB): 485 mm Length: 900 mm Roller diameter: 50 mm Roller distance: 75 mm Motor overslide belts: SEW-Motor 3x 300-500V 0,25 kW Motor Roller conveyors: Interroll EC300 24V Height frame: 170 mm Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Pneumatic end stop and pneumatic lifting of the transfer belt Scope of delivery: without supports Optionally available: Supports Side guide one and both sides Condition: functional and visually good condition For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Hnjdpok Abixofx Ai Njk Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 750-510-450 RA1875 Make: Knapp Running direction: both directions Roller width (RB): 450 mm Nominal/outer width (NB): 510 mm Length: 750 mm Roller diameter: 50 mm Roller distance: 55 & 90 mm Angle between roller conveyors: 15° Hjdpfxsk Abiuo Ai Nsnk Motor overslide belts: SEW-Motor 3x 300-500V Motor Roller conveyors: Interroll EC300 24V Height frame: 420 mm Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Scope of delivery: without supports Optionally available: Supports Side guide one and both sides Condition: functional and visually good condition For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 525-690-625 RA1890 Make: Knapp Running direction: both directions Roller width (RB): 625 mm Nominal/outer width (NB): 690 mm Hnsdpfjr R D Acsx Ai Nok Length: 525 mm Roller diameter: 50 mm Roller distance: 75 mm Motor overslide belts: SEW-Motor 3x 300-500V 0,25 kW Motor Roller conveyors: Interroll EC300 24V Height frame: 170 mm Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Pneumatic lifting of the transfer belt Scope of delivery: without supports Optionally available: Supports Side guide one and both sides Condition: functional and visually good condition For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 675-690-625 RA1891 Make: Knapp Running direction: both directions Roller width (RB): 625 mm Nominal/outer width (NB): 690 mm Length: 675 mm Roller diameter: 50 mm Roller distance: 75 mm Motor overslide belts: SEW-Motor 3x 300-500V 0,25 kW Motor Roller conveyors: Interroll EC300 24V Height frame: 170 mm Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Pneumatic lifting of the transfer belt Scope of delivery: without supports including end stop Optionally available: Supports Side guide one and both sides Condition: functional and visually good condition For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. Hnjdpok Abi Rsfx Ai Nok We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Year of construction: 2008, Transnorm roller curve combination right and left 45°-1200-900-800 IR800 1551 mm RA2232 Make: Transnorm Running direction: Curve combination clockwise/anticlockwise Roller width (RB): 800 mm conical, plastic coating Nominal/outer width (NB): 900 mm Inner radius (IR): 800 mm Center section length: 1200 mm Offset: 1551 mm Frame height: 80 mm Overall height including motor: 450 mm Drive/transmission: Chain Electrical data: 300-500 V, 0.37 kW Gear motor: SEW, R17DT71D4/TH Conveying speed: please contact us Scope of delivery: without supports Optionally available: Hjdpjrixi Tefx Ai Nonk Supports Lateral guide on one and both sides Frequency inverter for stepless speed change Length adjustment (longer/shorter) Other roller conveyors/roller curves with chain transmission Prices net plus VAT ex central warehouse Dr. Sonntag GmbH & Co KG, 97076 Würzburg For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 750-485-425 RA1856 Make: Knapp Running direction: both directions Roller width (RB): 425 mm Nominal/outer width (NB): 485 mm Length: 750 mm Distance between the roller conveyors: 95 mm Distance between the overslide belts: 400 mm Roller diameter: 50 mm Roller distance: 75 mm Motor overslide belts: SEW-Motor 3x 300-500V Motor Roller conveyors: Interroll EC300 24V Hsdpfx Aiok Abhwe Nonk Height frame: 245 mm Currently set high: 620 mm Pneumatic overslide belts Pneumatic end stop Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Optionally available: Side guide one and both sides For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Knapp transfer roller conveyor Toothed belt slider 90° 900-485-425 RA1893 Make: Knapp Running direction: both directions Roller width (RB): 425 mm Nominal/outer width (NB): 485 mm Length: 900 mm Roller diameter: 50 mm Roller distance: 75 mm Hjdpfxek Abi Us Ai Njnk Motor overslide belts: SEW-Motor 3x 300-500V Motor Roller conveyors: Interroll EC300 24V Height frame: 275 mm inkluding Pneumatic overslide belts and end stop Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Optionally available: Supports Side guide one and both sides For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: excellent (used), Year of construction: 1988, functionality: fully functional, Technical Data Grinding/Workpiece Diameter: up to approx. 300 mm (partially up to 350 mm) Grinding Length/Stroke: approx. 550 mm (slide travel) Module range (for hobbing cutter resharpening): min. module approx. 0.5 to max. module approx. 25 Hodjxtiunjpfx Ai Njnk Number of flutes: typically 1–99 pieces (depending on tool set) Grinding wheel diameter: approx. 150–300 mm Grinding wheel speed: up to about 2,700 rpm Centre distance (workpiece spindle): typical range 400–800 mm Swivel/Pitch range: e.g. grinding wheel head swivel 0–15° Machine weight and space requirement: approx. 4.2–4.9 t weight; space approx. 3 × 2.6 × 2.3 m Electrical data: operating voltage e.g. 380 V three-phase, control 24 V, auxiliary voltage 220 V

Condition: used, Year of construction: 1994, Dry grist mill - 6 rollers The malt is dry-crushed between rollers arranged in pairs. Additional title: Dry milling Hnjdpfx Aiovcqpvo Nok Capacity: 5 t/h Power: 22 kW Voltage: 400 V Frequency: 50 Hz Length: 1,8 m Width: 2,14 m Height: 2,0 m Weight: 5 t Features: Foundation with vibration insulation; rotational speed monitor; fine-adjustment of milling distance via electric motor; Pressure release; magnetic grating

Condition: refurbished (used), functionality: fully functional, - Bedeschi RS toothed crusher; - Haendle WMZ toothed crusher 412 A; - GHH 2366 WH 75/60 impact crusher; - Alfa paper shredders; Sawdust grinder, Wood chipper - Haendle HM2080 wet pan mill; Hsdoyl Tmmepfx Ai Nsnk - Haendle HM2080a wet pan mill - Breitenbach fine roller mill type PWF 812 800*1200, gap from 0.6 mm, roller shell thickness 95 and 105 mm, drive 90 kW, drive pulley ⌀650, motor pulley ⌀224, productivity at a gap of 0.6-0.8 mm: 40-50 t/h; - Haendle fine roller mill type Alpha WFZH8100b. Commissioned in 1996. Not in operation since 2012. Gap adjustable from 0.6 mm. New roller shells installed. Bearings replaced with the participation of Haendle specialists; - Kema roller mill 1000x800, gap 1-3 mm; - Rieter fine roller mill type GSA 1000x800, gap 1-1.5 mm; - Rieter-Werke Haendle roller mill type HW 80х80-HM, gap 0.6 mm; - Haendle mechanical roller mill type WFZ 880A, gap 0.8 mm, 42 t/h

Year of construction: 2015, condition: as good as new (ex-display), Knapp transfer roller conveyor Toothed belt slider 90° 2900/2270-710-650 RA2415 Make: Knapp Running direction: both directions Roller width (RB): 650 mm Nominal/outer width (NB): 710 mm Length: 2900 mm and 2270 mm Roller diameter: 50 mm Roller spacing: 90 mm Frame height: 90 mm Drive section height: +250 mm downwards Distance between belts: 330 mm Belt width: 250 mm Number of accumulation positions: 5 Accumulation position size: 700 mm Motor overslide belts: SEW-Motor 3x 300-500V Motor Roller conveyors: Interroll EC300 24V inkluding Pneumatic overslide belts and end stop Hsdowyqrkspfx Ai Nenk Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Optionally available: Supports Side guide one and both sides Price: plus VAT ex central warehouse Dr. Sonntag GmbH & Co. KG 97076 Würzburg For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Year of construction: 2015, condition: as good as new (ex-display), Knapp transfer roller conveyor Toothed belt slider 90° 2900/2270-510-450 RA2417 Make: Knapp Running direction: both directions Roller width (RB): 450 mm Nominal/outer width (NB): 710 mm Length: 2900 mm and 2270 mm Roller diameter: 50 mm Roller spacing: 90 mm Frame height: 90 mm Drive section height: +250 mm downwards Distance between belts: 330 mm Belt width: 250 mm Number of accumulation positions: 5 Accumulation position size: 700 mm Motor overslide belts: SEW-Motor 3x 300-500V Hedjwyqrwepfx Ai Nonk Motor Roller conveyors: Interroll EC300 24V inkluding Pneumatic overslide belts and end stop Conveyor speed: freely adjustable up to 1,25m/s with Interroll EC300 Motor Optionally available: Supports Side guide one and both sides Price: plus VAT ex central warehouse Dr. Sonntag GmbH & Co. KG 97076 Würzburg For individual, expert advice, simply get in touch with us. Simply contact us by phone or email. We will be happy to help you plan and implement your projects. We look forward to hearing from you. With kind regards Your team at Dr. Sonntag GmbH & Co. KG Your specialist and contact for intralogistics

Condition: used, Schulz roller curve conveyor right with pre- and post-run 90°-450-390 IR1570+2x250-450-390 RA1187 Hsdjk Aa Iajpfx Ai Nsnk Roller curve: Manufacturer: Schulz Useful width (NUB): 390 mm Nominal/outside width (NB): 450 mm Inner radius (IR) = 1570 mm Speed: v = 0.33 m/s Straight section: Conveying length (FL): 2x 250 mm, inlet and outlet Useful width (NUB): 390 mm Nominal/outer width (NB): 450 mm Rollers: galvanized Pitch: 75 mm Castors: plain bearings with conical plastic molded part Transport dimensions: L x W x H = 2000 x 800 x 400 Transport weight: 120 kg Scope of delivery: incl. side guides on both sides without supports (please enquire if required) Supports optionally available: 2 double supports height-adjustable OK roller +/-100 mm Frequency converter for stepless speed change Price plus VAT ex central warehouse Dr. Sonntag KG 97076 Würzburg Für eine individuelle, fachmännische Beratung setzten Sie sich einfach mit uns in Verbindung. Kontaktieren Sie uns einfach telefonisch oder per Mail. Wir helfen Ihnen gerne bei der Planung und Umsetzung Ihrer Projekte. Wir freuen uns darauf von Ihnen zu hören. Mit freundlichen Grüßen Ihr Team der Dr. Sonntag GmbH & Co. KG Ihr Spezialist und Ansprechpartner für Intralogistik

Condition: excellent (used), Year of construction: 1982, functionality: fully functional, Due to the comprehensive technological modernization of our corn milling plant, originally built in the 1980s, our milling equipment has become available for sale. Over the decades, the machinery operated reliably and stably in our facility, supported by continuous maintenance and professional operation. Throughout these years, our company earned long-term trust from its partners, largely thanks to the consistently high product quality ensured by this technology. The plant primarily specialized in the production of corn grits as its main product, alongside feed flour, food-grade flour, corn germ, and other by-products. The offered equipment: - has been continuously maintained - can be inspected while in operation - is sold together with the existing spare parts inventory All available spare parts are included in the sale, representing a significant advantage for the future owner in terms of operational security and maintenance planning. Hodpfxoylhhfe Ai Nonk The listed price refers to one unit. We have a total of 4 units. There is also the possibility to purchase all advertised equipment as a complete package, for which a customized and preferential price can be offered. This is an ideal opportunity for companies considering the establishment of a complete corn mill, capacity expansion, or technological development. The earliest planned removal date of the equipment is February 2027.

Condition: used, Year of construction: 1995, functionality: unexamined, machine/vehicle number: 2031306, type of input current: three-phase, overall weight: 9,200 kg, Roller mill from Bühler, previously used in cornflakes production. Pre-installed are a metal detector and a vibratory channel. Control cabinet is included. Weight of the roller mill approx. 9,200 kg. Hedpfxoxgq Rks Ai Nonk

Condition: used, MAKE CHIRON MODEL MILL 800 5 axis 5 axis machininng center (milling/turning from bar) Under power in our warehouse in Gussago BS Italy Mimu Machine tools CNC Fanuc 18iMBS (5 simoultaneous axis 1*) X, Y, Z (mm) 800 – 500 - 550 Rapids (Highspeed) 60 m/min Swivelling head CNC controlled (B axis) +/- 100° Turning spindle Peiseler Milling spindle 12.000 giri / 140 Nm (v nota 2) Tools 65 Tool type HSK-A 63 DIN 69893 Hnsdpfsgmi Unsx Ai Nek Tool-change time 1,5 sec (v nota 3) Table 1400x500 Max table load 1200 kgs 90fjsieew Coolant through spindle 70 bar (see note 4) CNC controlled clamping/rotating unit for 6th face machining (v. nota 5) Pressurised linear encoders Swarf conveyor Renishaw-ready Y.O.M. 2006 Weight 7500 kgs Turning package Max dia 65mm RPM: 15 / 4500 Max 42,5 KW / 90 Nm. Hydraulic clamping 800 Nm. Bar loader ILS-RBK- 10012 65 Diameters min/max 5/65 mm L= 600-1200 mm Highspeed (2) 60m/min. Spindle ...

Condition: new, Number of milling spindles 2 St. fence 1 ja workpiece ja Cross rung milling machine STEGHERR TYPE KSF-mini including standard stop with 2 sliding stops, without tools With the KSF-mini, all of those that occur in practice can be used Crossbar connections can be made quickly and precisely. The Precise execution is achieved by having the workpiece in one Clamping is machined on three sides. The tool is driven by two three-phase motors; the tension of the Workpieces pneumatically. The profile cutter is designed for the web width. The saw blades that... Hnsdpfsyrtzqsx Ai Nok If you carry out flattening, spacer rings are used to match the dimensions of the Profile milling cutter adjustable. The swivel device is free of play. The machine is designed for a maximum workpiece cross section of 56 x 46mm. Voltage Europe: 400V(+/-10%)/3Ph/50Hz, USA: 440V(+/-10%)/3Ph/60Hz Other voltages on request. Operating instructions in German or English. Table base EUR 1.070.00 Foot switch EUR 900.00 Adjustment optics EUR 130.00 Profile milling cutter in HM-Wepla version, available for selection: Ø 5,7,9,11,13 mm. Price per piece EUR 650.00 1 set of replacement insert knives for profile milling cutters (=10 pieces) EUR 190.00 HM saw blade, price EUR 170.00 per piece (For a web of e.g. 10 mm, 3 saw blades are required) Setting the machine to the tools provided by the customer, price EUR 700.00 per individual tool Packaging in a crate (suitable for land transport) EUR 650.00 Packaging shrink-wrapped on a pallet (only within Europe, not for air freight) EUR 340.00 Pricing ex works, unpacked, uninsured, for delivery within Germany plus the VAT valid at the time of delivery. (all technical information according to the manufacturer, without guarantee!)

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 660x460x1200 mm Hjdpfx Aiovz Hgue Nsnk Weight 49 kg Total power requirement 0,85 kw

Condition: ready for operation (used), Koller Roller Mill,Roller mill, Roller Pan mill, Pan mill,Pan mixer, Used Machinery Model: Gebrüder Netzsch 205 ST; 251283 Dimensions: 1400 x 1300 mm Weight: 735 kg Year: 1965 Hnodpfx Aijuh Rkxs Nsk Electrical Data: 400 V; 50 Hz; 4/2.9 A Stone Size: 500 x 150 mm Koller mills are designed to ensure excellent grinding quality for all industrial applications. Whether it’s for minerals, cereals, or food products, Koller mills provide reliability and durability. Choose Koller mills to experience outstanding performance and long-lasting reliability!

Condition: good (used), Year of construction: 2013, travel distance X-axis: 1,000 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 530 mm, spindle speed (max.): 8,000 rpm, table width: 406 mm, table length: 1,372 mm, rotational speed (max.): 8,000 rpm, overall weight: 3,100 kg, space requirement width: 2,280 mm, space requirement length: 2,900 mm, space requirement height: 2,550 mm, Equipment: documentation/manual, rotational speed infinitely variable, X-axis: 1.000 mm Hnodpfx Ajvpl I Toi Nek Y-axis: 500 mm Z-axis: 530 mm Table size: 406 x 1.372 mm Spindle nose: BT 40 Spindle speeds: 1 - 8.000 rpm Controller: Fagor Featured with: - Cooling unit - User Manuals Country of origin: Taiwan Motor power: 10 HP Machine LxWxH: 2.900 x 2.280 x 2.550 mm Machine weight: 3.100 kg

Condition: new, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners. Transmission system: Includes motor, reducer, small transmission gear, and electrical control. Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) Cylinder speed: 18–38 r/min Power: 18.5–4500 kW Liner material: High manganese steel, rubber, or alloy steel Grinding media load: 30–45% of cylinder volume Operating Modes: Dry grinding: Suitable for materials that must remain moisture-free, such as cement clinker, limestone, and quartz. Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity. Hnedpeq Nf U Eefx Ai Nok Application in Mining Plants In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use. Common Applications: Gold, copper, iron, and zinc ore grinding Cement clinker and slag processing Silicate and ceramic powder production Coal and mineral powder preparation Conclusion A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.

Condition: new, functionality: fully functional, Year of construction: 2026, Dry and Wet Ball Mill: Structure, Operation, and Technical Details A ball mill is a fundamental grinding device used in mineral processing, cement manufacturing, chemical production, and other industrial applications. It works by rotating a cylindrical shell filled with grinding media—usually steel balls—causing impact and friction that reduce materials to fine powder. Based on the grinding environment, ball mills are classified into dry and wet types, each suited for specific materials and process requirements. Working Principle Both dry and wet ball mills operate on the same mechanical principle. The rotating cylinder, driven by a motor through a gear system, lifts the grinding media and material along the inner wall. As the rotation continues, the balls fall under gravity, striking and grinding the material. The difference lies in the presence or absence of a liquid medium during grinding. Dry Ball Mill A dry ball mill is used when the material must remain moisture-free or when water could affect product quality. It is commonly applied in cement clinker, limestone, quartz, and refractory material grinding. The discharge can be either grate type or overflow type, depending on the desired fineness. Technical Features: Feeding size: ≤25 mm Discharge size: 0.075–0.4 mm Capacity: 0.65–90 t/h Liner material: High manganese steel or wear-resistant alloy Hsdpfx Aieq Nx Alj Nenk Drive system: Gear-driven or direct-coupled motor Dust control: Equipped with air exhaust and dust collector Advantages: Suitable for materials sensitive to moisture No drying process required after grinding Lower corrosion risk and simpler maintenance Easier material classification and separation Limitations: Dry grinding produces more dust and heat, requiring efficient ventilation and dust collection systems. Wet Ball Mill A wet ball mill operates with water or another liquid medium added to the material. The slurry formed during grinding improves efficiency by reducing friction and preventing excessive heat buildup. It is widely used in ore beneficiation, ceramics, and chemical industries. Technical Features: Feeding size: ≤25 mm Discharge size: 0.074–0.2 mm Capacity: 0.65–615 t/h Liner material: Rubber or high-chromium steel Discharge method: Overflow or grate type Auxiliary equipment: Classifier, pump, and thickener for slurry circulation Advantages: Higher grinding efficiency and finer particle size Reduced dust and noise levels Continuous operation suitable for beneficiation circuits Better control of particle uniformity Limitations: Requires drying if the final product must be in powder form and involves more complex slurry handling. The selection between dry and wet grinding depends on the material characteristics, downstream process, and environmental conditions. Dry mills are preferred for materials that must stay moisture-free, while wet mills are ideal for fine grinding and slurry-based processes. Conclusion Dry and wet ball mills share the same mechanical structure but differ in their grinding environment and application scope. The dry type offers simplicity and low maintenance for moisture-sensitive materials, while the wet type provides higher efficiency and finer output for mineral and chemical processing. Understanding their technical parameters and operational differences ensures optimal equipment selection, improved productivity, and reliable performance in industrial grinding operations.

Condition: new, power: 55 kW (74.78 HP), Year of construction: 2026, A hammer crusher is a machine that uses high-speed rotating hammers to crush and break materials into smaller pieces. It is commonly used in various industries, including mining, cement, construction, metallurgy, and chemical processing. The basic principle of a hammer crusher involves a central rotor with hammers or blades that rotate and impact the material being crushed against a hard surface. Here are the key features and components of a typical hammer crusher: 1. Rotor: - The rotor is a central component of the hammer crusher. It usually consists of a shaft with multiple discs or hammers attached. - The rotor's rotation causes the hammers to swing outward, impacting the material. 2. Hammers: - Hammers are the striking or crushing elements attached to the rotor. They can be fixed or pivotally attached. - The material is crushed as the hammers impact it, generating kinetic energy. 3. Casing or Housing: - The casing or housing encloses the rotor and hammers, providing structural support and safety. - It also serves to contain the crushed material and direct it to the desired discharge point. Hnodpfxoq I Nxds Ai Nsk 4. Grate Bars or Screens: - Positioned at the bottom of the crusher casing, grate bars or screens control the size of the crushed material by allowing smaller particles to pass through while keeping larger ones inside for further crushing. 5. Impact Plate: - Located near the bottom of the crusher, the impact plate absorbs the impact energy generated by the hammers and prevents excessive wear on the casing. 6. Drive System: - The hammer crusher is powered by a motor connected to the rotor through a drive belt or coupling. - The motor provides the necessary power to rotate the rotor, enabling the hammers to crush the material. 7. Adjustable Discharge: - Some hammer crushers feature an adjustable discharge, allowing users to control the size of the crushed material by adjusting the gap between the impact plate and the hammers. 8. Applications: - Hammer crushers are used for crushing a variety of materials, including coal, limestone, gypsum, aggregates, and various minerals. - They are commonly employed in the mining industry for primary and secondary crushing of ore. - In the cement industry, hammer crushers are used to crush limestone and other materials before they are mixed into the raw meal. 9. Maintenance and Safety: - Regular maintenance is essential to ensure the efficient operation of a hammer crusher. This includes checking and replacing worn hammers, inspecting the rotor, and lubricating moving parts. - Safety features, such as access doors and safety guards, are typically incorporated to prevent accidents during operation and maintenance. Technical Specifications (Typical MINGYUAN Series) Model Category,Max Feed Size,Capacity (t/h),Motor Power (kW),Rotor Speed (rpm) Small (PC-400), ≤100mm, 5 – 10, 11, "1,000" Medium (PC-800),≤200mm, 20 – 50, 55, 750 – 900 Heavy (PC-1200),≤350mm, 80 – 110, 132 – 160, 600 – 750 Heavy Hammer,"≤1,200mm", "500 – 1,000+ ","400 – 1,000" ,Variable