Grizzly feeders are the type of feeders that perform both feeding and separation functions in the same equipment. The body consists of pan and a one or two stepped grizzly section.
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MGF Series
Grizzly Feeder
With many structural and design features, MEKA Grizzly Feeders are installed under primary hoppers to ensure a consistent feed to the primary crusher. They also efficiently screen out undersized material, reducing crusher load and wear while significantly lowering operating costs.
Looking for a strong and efficient grizzly feeder?
Meet MEKA Grizzly Feeders.
Grizzly Feeder Gallery
More efficient plants with extra durable MEKA Grizzly Feeders and consistent feeding
MEKA Grizzly Feeders increase your plant efficiency by ensuring uniform distribution and regular material flow across the feeder tray. During primary feeding, unwanted fines are separated to improve final product quality. The conical and deep-profile grizzly design of the MGF series prevents material build-up and clogging.
MEKA Grizzly Feeders, with heat-treated drive consoles and high-quality vibro motors or eccentric shaft drives, guarantee maximum efficiency, reliable feeding, and long-lasting performance with minimum downtime.
Applications
Used in mining, aggregate production, and recycling applications; ideal for feeding basalt, limestone, recycled materials, and river gravel.
Looking for a grizzly feeder that delivers superior performance under the toughest conditions and applications?
Learn about the key features and highlights of MEKA Grizzly Feeders in this video. To watch more videos about our other products and reference projects, visit our MEKA Global YouTube channel.
Grizzly Feeder Technical Specifications
MGF 0625 |
MGF 0942 |
MGF 1152 |
MGF 1260 |
MGF 1360 |
MGF 1460 |
MGF 1660 |
MGF 6530 |
MGF 1160 |
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| Width x Length (mmxmm) | 620x2500 | 900x4200 | 1100x5200 | 1200x6000 | 1300x6000 | 1400x6000 | 1600x6000 | 650x3000 | 1066x6000 |
| *Capacity (mtph) | 100-200 | 250-400 | 400-640 | 450-750 | 500-825 | 550-875 | 650-1000 | 100-200 | 400-640 |
| Single Section | Single Section | Double Section | Double Section | Double Section | Double Section | Double Section | Single Section | Double Section | |
| Length of Grizzly (mm) | 1000 | 1500 | 2000 | 2800 | 2000 | 2800 | 2000 | 1000 | 1400 |
| Maximum Feed Size (mm) | 350 | 600 | 800 | 900 | 975 | 1050 | 1200 | 350 | 800 |
| Vibromotor | |||||||||
| Power @50hz (kW) | 2x3.8 | 2x6.1 | 2x10.1 | 2x11.9 | 2x13.9 | 2x13.9 | 2x13.9 | 2x3.2 | 2x10.1 |
| Speed (rpm) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| Power @60hz (kW) | 2x4.3 | 2x7.5 | 2x10.6 | 2x11 | 2x16.5 | 2x16.5 | 2x16.5 | 2x3.4 | 2x10.6 |
| Speed (rpm) | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 | 900 |
| Exciter Drive | |||||||||
| Power (kW) | - | - | 22 | 22 | 30 | 30 | 37 | - | 22 |
| Speed (rpm) | - | - | 500-800 | 500-800 | 500-800 | 500-800 | 500-800 | - | 500-800 |
*At specified inclination and for material weighing 1.6 t/m³ or 100 lbs/ft³. Capacity values are indicative only and depend not only on feeder size but also on feeder inclination, feed gradation, etc.
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Grizzly Feeder Information Form
What are Grizzly Feeder?
Grizzly feeders produce a linear motion in their pan and grizzly sections and are used in the primary feeding stage for the simultaneous performance of feeding and separation processes.
The grizzly opening of the feeder is selected according to the feed curve and closed side setting of the crusher to be fed . As a result, material smaller than the crusher setting is prevented from entering the crusher. The dirty material in the feed bypasses the crusher and is fed to a screen to be discarded as waste and the remaining clean material is fed to the post-crusher process.
Although it is possible to install grizzly feeders inclined, horizontal installation is widely preferred for separation efficiency. If an increase in capacity is needed, the installation angle can be increased by several degrees without loss of separation efficiency.
Types of Grizzly Feeder
How Does Grizzly Feeder Work?
Advantages of Using Grizzly Feeder
Grizzly Feeder Processes Applications
The grizzly feeder is mounted on springs mounts allowing it to vibrate freely.The vibration action can be generated by being driven by an electric motor or vibrating motors.
Feeding and scalping on the same equipment ; performing both functions in one equipment means low first investment cost,low maintenance cost.
Grizzly feeders are primary stage equipment and are available in different widths and lengths for different capacities to be used in a wide range of applications such as mining, aggregate or reclaiming. It also protects the crusher from the impact of large rocks and ensures regular and continuous feeding of the crusher.
MEKA Grizzly Feeder Options
Two drive system options
Wire mesh option
Custom design and manufacturing capability
Extra durable grizzly options
Do you need different options or configurations for MEKA Grizzly Feeders?
As standard, MEKA Grizzly Feeders are equipped with a Vibro motor drive system for optimum efficiency, while an Exciter drive system can also be used when required.
For low-capacity operations with a small amount of fine material in the feed, this type of feeder with a steel wire mesh mounted under the grizzly offers efficient operation with the advantage of low investment cost.
Thanks to MEKA’s extensive manufacturing program and superior design expertise, optimum feeders can be redesigned by our R&D team with suitable liner quality and thickness for different operational needs.
In MPF Series feeders, grizzlies are generally manufactured from high-Mn austenitic alloy steel castings. Depending on the application, welded AR400 grizzlies with fixed opening sizes are also available.
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