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Mineral Sizers

Mineral Sizers are high-efficiency intelligent crushing equipment integrating crushing, particle size classification, and material shaping. They use two synchronously rotating toothed rollers to apply tension, shear, and compression for selective crushing and online size control.
With special alloy teeth and precise roller gap adjustment, they reduce over-crushing, increase yield, and overcome common issues of traditional crushers, such as high pulverization rates, limited capacity, and clogging with wet or sticky materials.
They are widely used in primary, secondary, and tertiary crushing of coal, clay, bauxite, gypsum, and hard rock.
how it works
How does the sizer s crusher how dose the sizer crusher how dose the sizer crusher
The mineral is gripped by the leading faces of opposed rotor teeth,and to be subjected to stress under the concentrated load of the rotor teeth.The stress causes mineral to be break along its natural texture. Mineral is broken in tension by being subjected to a three point loading, which between the front tooth faces on one rotor and rear tooth faces on the other rotor. For the mineral that has not been fully broken, through the rotor teeth and  fixed teeth of the breaker bar can be further broken to ensure the 3d dimension requirements of the discharging material.

MINERAL SIZER STRUCTURE  
 
Mineral sizer is a modern approach to crushing that uses shear force and tensile force between the toothed rollers to crush materials,which is the best choice for handling hard,wet,sticky materials. Mineral sizer is a type of graded crushing equipment which can provide primary,secondary and tertiary crushing operations for many kinds of mineral. Mineral sizer is mainly composed of drive device,toothed roller,synchromesh gear,housing,base frame,lubrication device,running gear and so on.
 mineral sizer structure declaration
MINERAL SIZER Teethed roller
sizers toothed roller
The crushing method of EXCT sizer is both compact and efficient. The operating principle of the sizer crusher is to generate continuous pressure between the tooth rollers through the reverse rotation of the two tooth rollers to continuously crush the material.
Based on our deep study of the processing material features, and drawn from the advantages of other brand Sizers, EXCT has produced a high efficiency, low maintenance cost crusher, the EXCT sizer. Its actual use effect is exactly equal to the crushers of
 other well-known brands.
MINERAL SIZERS COMPONENTS

sizers drive device

primary sizers toothed secondary sizers toothed roller
Drive Device Primary Sizers Toothed Roller Secondary Sizers Toothed Roller
sizers frame construction sizers synchromesh gear aizers lubrication system
Frame Construction Synchromesh Gear Lubrication System  
mineral-sizers-brochure
MINERAL SIZER FEATURES
High Capacity and Compact:
The EXCT mineral sizer features high processing capacity and a compact design, enabled by its unique crushing mechanism and modular construction, allowing for efficient material handling in space-constrained installations.  

Processing Hard Material:
The proprietary tooth alloy formulation enables reliable processing of materials ranging from soft coal (30 MPa) to hard brittle rock (200 MPa), ensuring durability and performance across diverse feed conditions.  

Accurately Control Product Size and Minimum Fines:
It provides precise control over product particle size while significantly minimizing the generation of fines and dust, offering superior sizing accuracy compared to conventional crushing equipment.  

Strongly adaptive design to handle complex materials:
The sizer is capable of effectively processing wet and sticky materials, dry and hard rocks, or a combination of both, thanks to its self-cleaning rotor design and optimized chamber configuration.  

Overload Protection:
Equipped with comprehensive overload protection at both mechanical and software levels, the system automatically detects and discharges uncrushable objects to prevent equipment damage.  

Automated Operation:
Integrated with a PLC-based control system, the EXCT sizer supports remote automated operation and real-time monitoring, ensuring consistent, optimal performance and seamless integration into modern processing plants.
 
Choosing the Right Crushing Technology For Your Project
Features Mineral Sizer Jaw Crusher Gyratory Crusher Roll Crusher Impact Crusher Cone Crusher
Core Advantage: Anti-blocking & Wet/Sticky Material Handling ★★★★★
Large-clearance interlaced toothed rolls handle wet, sticky, and clay ores without blockages, ensuring continuous, stable operation.
★☆☆☆☆Narrow crushing chamber easily traps wet/sticky material, causing frequent blockages and requiring constant cleaning. ★☆☆☆☆
Deep crushing chamber is prone to hanging up and accumulating wet/sticky material, leading to severe blockages.
★★☆☆☆Smooth rolls tend to stick and cake with wet material, and gaps can easily become jammed by clay balls. ★★☆☆☆
Wet material easily clogs the gaps between impact plates and hammers, resulting in a sharp drop in production.
★☆☆☆☆
Dead zones in the cone chamber cause sticky material to hang up and build up, leading to frequent chamber blockages.
Crushing Principle Combined shearing, tensile, and compressive forces for selective crushing. Pure compression crushing. Pure compression crushing. Pure compression crushing. Impact + counterattack crushing. Layered compression crushing.
Finished Product Size Uniform particle shape, low flakiness index, and minimal over-crushing. High flakiness index, moderate over-crushing. Average particle shape with localized over-crushing. Regular particle shape with slightly more fines. High flakiness index, significant fines generation. Good particle shape with slightly more fines.
Moisture Content Suitable for high-moisture (>15%), clayey, and sticky materials. Only suitable for dry, clean ores. Only suitable for dry ores. Only suitable for low-moisture materials. Only suitable for dry materials. Only suitable for dry, hard ores.
Equipment Failure Rate Low Maintenance & Downtime High. Frequent blockages and material jams. High. Frequent Blockages & Shutdowns. Medium. Sticky material can jam the roll surfaces. Medium. Clogging Causes Production Losses. High. Frequent chamber blockages and material build-up issues.
Large Feed Handling Capacity Strong. Large feed opening + excellent material gripping by toothed rolls. Strong. Very strong. Weak. Limited feed opening size. Medium. Medium.
Typical Applications For Wet, Sticky & Clayey Materials: Coal, Gangue, Limestone, Shale & C&D Waste Primary crushing of hard, dry ores. Primary crushing of dry ores in large-scale mines. Fine crushing of dry, brittle materials. Shaping and secondary/tertiary crushing of dry aggregates. Secondary/tertiary crushing of hard, dry ores.
MINERAL SIZER APPLIED TO VARIOUS INDUSTRIES
Partial Case Of Mineral Sizer

Specifications
Primary Crusher Technical Specifications
Model 2PLF800 2PLF1000 2PLF1200 2PLF1500
Teeth Roller Dia (mm) 800 1000 1200 1400
Roll length (mm) 1500-2500 1500-3000 1500-3000   2000-3500 
Max feed size (mm) 800 1000 1200 1500
Output size (mm) ≤300 ≤300 ≤300 ≤300
Capacity (t/h) ≤2000 ≤3500 ≤6000 ≤10000
 
Secondary Crusher Technical Specifications
Model 2PLS600 2PLS800 2PLS1000 2PLS1200
Teeth Roller Dia  ( mm ) 600 800 1000 1200
Roll length(mm) 1000-2500 1500-3000 2000-3500 2000-4000
Max feed size (mm) 200 300 350 400
Output size (mm) 50-80 50-100 50-120 50-140
Capacity  ( t/h ) 250-800 500-2000 600-3000 800-4000
 
Selection instructions

1.Which material to be crushed:______
2.Handling capacity:______t/h.
3.Bulk material density: ______t/m3
4.The material compressive strength:______Mpa
5.The material HGI (hardgrove grindability index) range:
6. Material particle distribution percentage?
7.Max. grain size of the feeding material: ______mm
8. What is the grain size of the finished product after crushing?
9.What equipment is used to feed the material into the sizer?
10.What equipment is used to discharge the material from the sizer?
11.As we know,the sizer should form a system with other equipment, do you have preliminary design or hand-drawn sketch? If have, please send it to our engineer for reference.

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