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Wet Pan Mill

Wet pan mill is the optimal first grinding equipment for the majority of rock Gold Processing Plants, alternative equipment for ball mill.

  • Output size: <1 mm
  • Capacity: 0.5-3 t/h
  • Feeding size: <20 mm
  • Application: Mainly used for gold, silver, lead, zinc, tantalum niobium ore, molybdenum, copper, tin ore, etc.

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What’s a Wet Pan Mill?

The wet pan mill is the full name of the wet pan grinding mill, gold pan mill, or wheel pan mill. According to the different applications, it is divided into the gold mill, amalgam mill, iron mill, and electric mill;

According to the different structure, it is divided into single pan mill, double pan mill and three pan mill. The equipment is mainly composed of a power unit, a frame, a water basin, a grinding wheel, a grinding plate and other components.

It is used for grinding precious metals, gold or silver. Wet pan mill is the optimal first grinding equipment for the majority of rock gold processing plants, alternative equipment for ball mills. Wet pan mills are usually connected with equipment such as crushers, centrifuges, and shakers.

Wet Pan Mill grind rock gold ore to 100-150 mesh. Its low cost and high efficiency make it a favorite of miners in Sudan, Egypt and South Africa. It can also extract pure gold immediately after grinding, making it ideal for small scale gold mining companies.

Wet Pan Mill Process
Wet Pan Mill gold processing plants

Working Principle Of Wet Pan Mill

  • Motor drive: First, the motor transmits the power to the gearbox.
  • Power transmission and conversion: Driven by the speed reducer and via a large vertical spindle, the power is transmitted to the linkage above (e.g. whip drive mechanism).
  • Movement of the grinding rollers: The linkage drives two grinding rollers in clockwise rotation. These rollers not only rotate around the large vertical spindle, they also rotate on their own.
  • Grinding process: When the ore is added, the material rotates with the grinding rolls under the gravity compression of the grinding rolls and at the same time generates a huge friction force with the grinding substrate. This friction and squeezing force will grind the material to a fine powder.
  • Separation and collection: The ground material will be separated according to the particle size, the fine powder that meets the requirements will be collected, while the larger particles will continue to be ground.

Advantages of wet pan mill

  • A piece of multi-purpose grinding equipment, not only for grinding gold ore but also for gold amalgam;
  • Small investment, high output, low production costs, good benefits, well received by users, is the best equipment to replace the ball mill;
  • The products formed by the material milled by this machine have the advantages of high density, good strength, and non-porous ratio;
  • Through repeated rolling, rolling and crushing of the ore, the moisture content of the ore is balanced, the gas content is low, and the ratio is uniform, so as to improve the forming rate and quality of the gold ore;
  • A good casting process can ensure high rigidity of casting rollers, roller rings, and rollers, and ensure that the castings are wear-resistant, good toughness, and high density.


Wet Pan Mill is a commonly used equipment for mineral grinding. It mainly consists of grinding disk, grinding roller, spindle, motor and frame. When working, the motor drives the grinding roller to rotate on the grinding disk, and through the friction and extrusion between the grinding roller and the disk, the material is ground into fine powder. This equipment is simple in structure, low in cost, and capable of grinding a variety of ores to a fine degree, so it is widely used in small and medium-sized grinding systems.Wet Pan Mill is an economical and efficient choice for realizing fine grinding of minerals.

Structure of Wet Pan Mill
Structure of Wet Pan Mill

Customer site


ModelFeeding size(mm)Output size(mm)Capacity(t/h)Rotation speed
1400<20mm<1mm1-1.5 T/H18-21RPM15KW9.5T
1500<30mm<1mm1.5-2T/H18-22 RPM22KW11T
1600<30mm<1mm2-3 T/H18-20 RPM30/37KW12.5T

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