Multi-Stage Linkage Roller Screen: Industrial Mud Stone Separator for High-Moisture Materials
Product Overview
The multi-stage linkage roller screen is a heavy-duty separation equipment engineered for processing high-humidity, high-viscosity mixtures where conventional vibrating screens fail. Manufactured under ISO 9001 quality management system, this mud stone separation machine serves mining operations, aggregate processing plants, and construction waste recycling facilities across Middle East, South America, South Asia, Southeast Asia, and Africa.
Also referred to as mud stone separator or soil stone separator, this equipment utilizes multiple parallel screening shafts with irregular disc attachments to achieve coarse-fine separation without blinding or clogging. Unlike standard vibrating screens, the linkage roller design handles feed materials up to 450mm (maximum 800mm) containing heavy clay content and moisture levels that would incapacitate other screening technologies.
The "linkage" configuration synchronizes all screening shafts through a single drive system, reducing power consumption while maintaining consistent material flow across the entire screening surface. Non-linkage configurations are available for specific operational requirements.
Product Gallery
Operation Video
Technical Specifications & Capacity Range
Model
Screen Width (mm)
Screen Length (mm)
Shaft Count
Motor Configuration
Power (kW)
Screening Area (m²)
Throughput (t/h)
HT-0806
800
1800
6
Single drive
11
1.44
54–144
HT-0807
800
2100
7
Single drive
15
1.68
63–168
HT-0808
800
2400
8
Single drive
15
1.92
72–192
HT-0809
800
2700
9
Single drive
18.5
2.16
81–216
HT-0810
800
3000
10
Single drive
18.5
2.40
90–240
HT-1006
1000
1800
6
Dual drive
15×2
1.80
68–180
HT-1007
1000
2100
7
Dual drive
15×2
2.10
78–210
HT-1008
1000
2400
8
Dual drive
18.5×2
2.40
90–240
HT-1009
1000
2700
9
Dual drive
22×2
2.70
101–270
HT-1010
1000
3000
10
Dual drive
22×2
3.00
112–300
HT-1012
1000
3600
12
Dual drive
22×2
3.60
135–360
HT-1014
1000
4200
14
Dual drive
22×2
4.20
158–420
Note: Model numbers indicate width and shaft count (e.g., HT-1008 = 1000mm width, 8 shafts). Custom shaft gaps and dimensions available upon request.
Primary Applications & Material Processing Capabilities
🪨 Mining & Quarry Operations
Effective for clay mud stone separation in rough stone yards where raw feed contains sticky clay binding aggregate. Pre-screening function removes fines before primary crushing, reducing crusher wear and improving downstream efficiency.
🏗️ Construction Waste Recycling
Processes mixed demolition debris including concrete, brick, soil, and wood. The construction waste separation screen configuration handles variable feed sizes without manual pre-sorting.
⚫ Coal & Mineral Processing
Coal gangue separation applications benefit from the non-clogging design when processing high-moisture fine coal or washery rejects.
🌊 River Dredging & Environmental Cleanup
Deployed in river course cleaning projects to separate organic silt from sand and gravel fractions. The soil stone separator function enables direct classification of dredged materials for reuse or disposal.
♻️ Landfill Mining & Stale Waste
Excavated landfill material screening for resource recovery, handling decomposed organic matter mixed with plastics, metals, and inert materials.
Equipment Design Features & Operational Advantages
Material Handling Performance
Maximum feed size: 450mm standard, 800mm capability for specific configurations
Moisture tolerance: Processes materials with high humidity and viscosity that blind standard mesh screens
Anti-blocking design: Irregular shaft disc geometry prevents material compaction between screening surfaces
Mechanical Construction
Wear-resistant components: Internal guard plates and manganese steel shaft discs extend service intervals in abrasive applications
Shaft protection system: Replaceable shaft sleeves protect main shafts from direct wear, reducing major component replacement costs
Linkage drive efficiency: Single motor drives multiple shafts through mechanical linkage, reducing power consumption versus independent drive systems
Operational Control
Variable frequency drive (VFD): Adjustable shaft rotation speed (optional) to optimize separation efficiency based on material characteristics
Integrated conveying: Bottom-mounted belt conveyor or collection hopper discharges fines directly, minimizing material handling stages
Low noise operation: Mechanical drive system generates less noise than high-frequency vibrating equipment
Operating Principle: How the Linkage Roller Screen Works
Feed material enters from the top of the machine onto the first set of screening shafts (typically 3 shafts in the initial section). Electric motors drive the rollers through a linkage mechanism, causing continuous rotation of the irregular disc attachments.
Three separation actions occur simultaneously:
Lifting and conveying: Large particles ride on top of the rotating discs, moving toward the discharge end through positive mechanical action
Size classification: Particles smaller than the gap between adjacent shafts or discs fall through to the collection zone below
Layer stratification: Material bed agitation allows finer particles to migrate downward while coarse material remains on top
The multi-stage configuration extends this process across 6 to 14 shafts depending on model, with shaft spacing customizable to target specific separation sizes. Discharge occurs at two points: oversize material exits the end of the machine, while undersize material is removed by the bottom conveyor system.
Customization Options for Specific Operating Conditions
Standard configurations accommodate common applications, but field conditions often require adaptation. Available modifications include:
Shaft gap adjustment: Custom spacing between 25mm and 150mm depending on target product sizing
Shaft quantity modification: Extended machines with up to 14+ shafts for difficult separation tasks
Drive configuration: Linkage or non-linkage arrangements based on power availability and redundancy requirements
Feed and discharge interfaces: Integration with existing crushing circuits or material handling systems
Corrosion protection: Enhanced coating systems for marine or chemical environments
Manufacturing Quality & Export Experience
Production facilities operate under ISO 9001:2015 quality management certification, with manufacturing processes documented from raw material inspection through final assembly testing. Equipment has been deployed in:
Middle East: Aggregate processing for infrastructure development projects
South America: Mining operations and construction material recycling
South Asia: River sand screening and construction aggregate production
Southeast Asia: Quarry operations and landfill mining projects
Africa: Mining pre-screening and construction waste processing
Export packaging follows international shipping standards for heavy equipment, with containerized or break-bulk shipment options depending on machine dimensions.
🛡️ Warranty & Service Commitment
Whole Machine Warranty: 1 year from date of commissioning
Wearing Parts: Excluded from warranty if damaged by improper operation or human factors
During Warranty Period: Free repair service; if repair fails, replacement with new machine
Lifetime Technical Support: Available for all customers
Frequently Asked Questions: Mud Stone Separator Equipment
Q1: What is the maximum moisture content the linkage roller screen can handle?
The multi-stage linkage roller screen processes materials with moisture content up to 30-40% without blinding or clogging, depending on material clay content and particle size distribution. Unlike vibrating screens that lose efficiency with damp feed, the mechanical disc action breaks up cohesive clay masses while conveying oversized material forward. For extremely sticky materials, variable frequency drive (VFD) allows speed adjustment to optimize separation.
Q2: How does shaft gap spacing affect separation efficiency?
Shaft gap spacing determines the cut point between coarse and fine fractions. Standard gaps range from 25mm to 150mm, with custom spacing available. Smaller gaps (25-50mm) target sand-clay separation or fine aggregate screening. Medium gaps (50-80mm) suit general construction waste processing. Larger gaps (80-150mm) handle pre-screening for primary crushing circuits. Multi-stage machines can incorporate progressive spacing—tighter gaps at the feed end, wider toward discharge—to handle variable feed conditions.
Q3: What maintenance intervals are required for the shaft discs and protective sleeves?
Wear component life depends on material abrasiveness and operating hours. Manganese steel shaft discs typically last 2,000-4,000 operating hours in moderate abrasion conditions (limestone, coal), or 800-1,500 hours in high-abrasion environments (quartzite, granite). Shaft sleeves protect the main shaft and are replaceable without removing the entire shaft assembly. Visual inspection every 250 operating hours is recommended; disc replacement when wear exceeds 30% of original thickness prevents shaft damage and maintains separation accuracy.
Q4: Can the roller screen be integrated with existing crushing circuits?
Yes. The multi-stage linkage roller screen functions as a pre-screening or scalping stage upstream of primary crushers, removing fines that bypass crushing and reduce crusher wear. Discharge height and chute configurations can be modified to match existing conveyor feed points. For mobile operations, skid-mounted or wheel-mounted configurations allow repositioning between stockpiles. Integration with automated control systems enables remote start/stop and capacity monitoring.
The multi-stage linkage roller screen operates as a standalone unit or integrates with complementary equipment to form complete material processing lines. Common system configurations include:
Crushing Equipment Integration
The mud stone separator pairs with hammer crushers to form cost-effective sand-making production lines. This combination handles medium-hardness materials (limestone, coal, gypsum, shale) through two-stage processing: the roller screen removes fines and clay pre-coating, while the hammer crusher performs size reduction and shaping.
System Configuration Examples
Application
Primary Equipment
Secondary Equipment
Output Products
Sand & Gravel Quarry
Chain plate feeder + Roller screen
Vibrating screen + Sand washer
Washed sand, 5-10mm, 10-20mm aggregate
Construction Waste Recycling
Plate feeder + Roller screen
Hammer crusher + Magnetic separator
Recycled aggregate, iron scrap, reject
Limestone Sand Making
Roller screen
Hammer crusher + Vibrating screen
Manufactured sand, crushed stone
Mining Pre-screening
Vibrating feeder + Roller screen
Jaw crusher + Belt conveyor
Crusher feed, scalpings, fines
Tailings Dewatering
Roller screen
Hydrocyclone + Dewatering screen
Dewatered solids, recycled water
Typical Process Flow:
Raw Ore → Vibrating Feeder → Roller Screen Pre-screening → Oversize to Jaw Crusher → Undersize to Stockpile → Crushed Material → Vibrating Screening → Finished Products
Equipment Selection Guidelines
Model selection depends on three primary factors:
Feed Characteristics: Maximum lump size, moisture content, and material abrasiveness determine shaft spacing and wear component specifications.
Capacity Requirements: The 54–420 t/h range covers small-scale quarry operations through high-volume mining pre-screening. Dual-drive models (HT-1000 series) handle higher tonnages and more difficult materials.
Product Specifications: Required separation size and downstream process requirements influence shaft count and machine length. More shafts provide longer retention time for thorough separation.
💡 Technical Consultation: Technical consultation is available to match equipment specifications to specific application requirements, including integration with existing crushing and screening circuits.
Service Commitment: Equipment Selection | Customized Solutions | Installation Guidance | Lifetime Support
Multi-stage linkage roller screen requires professional selection based on your material characteristics and capacity requirements. Welcome to inquire or visit our factory.
