En-Masse Chain Conveyors
En-Masse Chain Conveyors
En-Masse Chain Conveyors are specialized bulk material handling systems designed to transport materials in a continuous “en-masse” flow. They rely on a chain and flight system within an enclosed trough, making them highly efficient, dust-free, and versatile for a wide range of industries such as power plants, waste-to-energy facilities, cement plants, and agriculture.
What Does “En-Masse” Mean?
The term “en-masse” refers to the movement of material as a single, uniform body, where particles are moved in unison without significant internal friction. The conveyor’s design ensures that the material fills the trough and is transported by the chain’s gentle push.
Key Features of En-Masse Chain Conveyors
- Compact Design:
- The enclosed system allows for horizontal, inclined, or vertical configurations, making it ideal for tight spaces.
- Gentle Material Handling:
- Low-speed operation minimizes material degradation, making it suitable for fragile, abrasive, or high-value materials.
- Dust-Free Operation:
- Fully enclosed design prevents spillage and protects materials from contamination.
- Versatile Material Handling:
- Suitable for a wide range of materials, from fine powders to coarse, abrasive solids.
- Energy Efficiency:
- The low-speed, friction-based transport system requires less energy than other conveyors.
- Customizable:
- Can be tailored to specific capacities, layouts, and material characteristics.
Applications of En-Masse Chain Conveyors
- Power Plants:
- Bottom ash, fly ash, and coal transport.
- Waste-to-Energy Plants:
- Handling ash, slag, and other combustion byproducts.
- Cement Plants:
- Transporting raw materials, clinker, and gypsum.
- Agriculture:
- Moving grains, seeds, and feed in silos and storage facilities.
- Mining:
- Handling ore, coal, and other bulk materials in harsh environments.
- Chemical and Fertilizer Plants:
- Transporting corrosive or fine granular materials.
Components of an En-Masse Chain Conveyor
- Chain and Flights:
- Heat-treated, wear-resistant chain with flights that push material in the trough.
- Enclosed Trough:
- Provides a dust-tight housing for the material, preventing contamination or spillage.
- Drive Unit:
- Powers the chain for consistent and controlled material movement.
- Head Section:
- Discharges the material at the end of the conveyor.
- Tail Section:
- Allows material to enter the conveyor while maintaining chain tension.
- Tensioning System:
- Keeps the chain taut to ensure smooth and efficient operation.
- Inspection Ports:
- For maintenance and monitoring of the conveyor system.
Working Principle of En-Masse Chain Conveyors
- Material Loading:
- Bulk material enters the conveyor trough at the inlet.
- Transport:
- The chain with attached flights moves through the trough, pushing the material forward in a uniform “en-masse” flow.
- Friction between the material particles and the flights ensures that material moves in unison.
- Discharge:
- Material is discharged through gravity or via a controlled outlet at the head section.
Advantages of En-Masse Chain Conveyors
- High Efficiency:
- Handles large volumes of material with minimal energy consumption.
- Space-Saving:
- Can be configured for horizontal, inclined, or vertical transport.
- Low Maintenance:
- Fewer moving parts and durable construction reduce wear and tear.
- Environmental Compliance:
- Enclosed design minimizes dust emissions and spillage.
- Durability:
- Constructed with wear-resistant materials for long service life in harsh environments.
- Flexibility:
- Can handle a wide variety of bulk materials, including hot, abrasive, or corrosive substances.
Comparison with Other Conveyors
| Feature | En-Masse Chain Conveyor | Belt Conveyor | Screw Conveyor |
|---|---|---|---|
| Material Types | Wide range (fine to coarse) | Limited (non-abrasive) | Limited (non-fragile) |
| Space Efficiency | High | Medium | Low |
| Dust Control | Excellent | Moderate | Moderate |
| Energy Efficiency | High | Medium | Low |
| Maintenance Needs | Low | Moderate | High |
Types of En-Masse Chain Conveyors
- Horizontal En-Masse Conveyors:
- Designed for long-distance transport on a horizontal plane.
- Inclined En-Masse Conveyors:
- Suitable for moving materials at an upward or downward angle.
- Vertical En-Masse Conveyors:
- Used for lifting materials vertically to silos or higher levels.
- Reversing En-Masse Conveyors:
- Capable of transporting materials in both directions, increasing operational flexibility.
Why Choose En-Masse Chain Conveyors?
- Efficiency:
- High throughput with minimal energy use.
- Versatility:
- Handles a wide range of materials in different configurations.
- Environmental Benefits:
- Fully enclosed system reduces dust, spillage, and contamination.
- Cost-Effectiveness:
- Durable construction and low maintenance reduce operational costs over time.
- Adaptability:
- Customizable to specific plant layouts and capacity requirements.
If you’re considering an En-Masse Chain Conveyor for your operations, I can help design a solution tailored to your material handling needs. Let me know your requirements, and we can explore the most efficient and cost-effective options!
SELECTION & TECHNICAL QUESTIONS
Q1: How do I select the right conveyor model? What information should I provide?
> To recommend the most suitable solution, please provide the following details:
> 1. Material type: What material are you conveying? (e.g., fly ash, wood chips, biomass pellets, bottom ash, etc.)
> 2. Material properties: Particle size, temperature, moisture content, abrasiveness
> 3. Capacity requirement: How many tons per hour (t/h) do you need?
> 4. Installation conditions: Conveying distance, incline angle, space limitations
> 5. Application industry: Which industry is this for? (e.g., waste-to-energy plant, biomass power plant, cement plant)
> You can also email us or contact us via WhatsApp. Our engineers will get back to you within 24 hours.
Q2: What is the difference between screw conveyors and chain conveyors? Which one should I choose?
> Both types have different applications:
> – Screw Conveyors: Best for powdery and small-grain materials (e.g., fly ash, cement powder). Good sealing performance, simple structure, low maintenance cost.
> – Chain Scraper Conveyors: Best for bulky, highly abrasive materials (e.g., bottom ash, municipal solid waste, biomass fragments). Supports multiple inlet and outlet points.
> – Bucket Elevators: Ideal for vertical or steep-incline material lifting.
> If you are not sure, tell us your material and working conditions, and our engineers will help you choose.
Q3: Can your equipment handle high-temperature materials? What is the maximum temperature?
> We can customize equipment according to material temperature:
> – Standard type: 0~80°C, carbon steel
> – Medium temperature type: 80~200°C, thickened wear-resistant liner
> – High temperature type: 200~400°C, special heat-resistant steel, optional cooling jacket
> Please tell us your material temperature, and we will recommend the most suitable material solution.
Q4: Are there any limits on conveying distance and lifting height?
> Standard design range:
> – Screw conveyor: Single section up to 70 meters; multiple sections can be connected for longer distances
> – Chain conveyor: Single machine up to 60 meters
> – Bucket elevator: Lifting height up to 50 meters
> We can also customize for extra-long distances or special angles. Contact us for detailed solutions.
Q5: Do you provide explosion-proof design?
> Yes. For explosive and flammable conditions such as pulverized coal and biomass dust, we offer:
> – Explosion-proof motors (Ex d IIB T4 standard)
> – Reserved openings for explosion vents / rupture discs
> – Fully sealed structure to prevent dust leakage
> Please specify your explosion-proof rating requirements.
CUSTOMIZATION & MANUFACTURING
Q6: Do you support customization? What is the lead time?
> Over 90% of our equipment is customized according to customer working conditions. Standard models take about 90–120days. Special customizations take 120–180 days, depending on configuration complexity.
Q7: What material options do you offer?
> Common materials include:
> – Carbon steel (Q235B): Standard working conditions
> – Wear-resistant steel (NM400/NM500): Highly abrasive materials
> – Stainless steel 304/316L: Food, chemical, corrosion-resistant requirements
> – Bi-metal wear-resistant composite plate: Extreme abrasion conditions
> We will recommend the most cost-effective material solution based on your material properties.
Q8: What certifications do you have?
> We hold the following certifications:
> – ISO 9001:2015 Quality Management System
> – ISO 14001 Environmental Management System
> – ISO 45001 Occupational Health & Safety Management
> – CE Certification (EN 1090 Steel Structure)
> If you need scanned copies of specific certificates, please contact us.
DELIVERY & LOGISTICS
Q9: Which countries do you export to? Do you have export experience?
> Our equipment has been exported to more than 20 countries worldwide, including:
> – Europe: Germany, France, Poland, Turkey, etc.
> – Southeast Asia: Singapore, Thailand, Indonesia, Vietnam, etc.
> – Middle East: Saudi Arabia, UAE, etc.
> – South America**: Brazil, Chile, etc.
> We are familiar with the full export process: packaging, customs declaration, and ocean freight. We can provide FOB, CIF, and other trade terms.
Q10: What is your packaging method? Is it suitable for long-distance ocean shipping?
> Export-standard packaging:
> – Large items / complete machines**: Rust prevention + waterproof film + fumigated solid wood pallet
> – Precision components: Wooden case with shock-absorbing filling
> – Random accessories: Categorized packing with detailed packing list
> All wooden packaging meets IPPC fumigation standards for direct customs clearance.
Q11: What is your minimum order quantity?
> We do not have a strict minimum order quantity. Single-unit orders are welcome. Bulk orders can enjoy more favorable pricing.
INSTALLATION & AFTER-SALES
Q12: Do you provide installation guidance? Do engineers need to come to site?
> We offer two service options:
> 1. Remote guidance: Detailed installation drawings and operation manuals, video guidance for installation (free of charge)
> 2. On-site service: Dispatch engineers to site for installation and commissioning (travel costs are additional)
> Most customers choose remote guidance. Our equipment is designed as a modular structure for easy installation.
Q13: What is the warranty period? What are the wearing parts?
> Standard warranty period is 12 months (from the date of arrival at port).
> Wearing parts list:
> – Chain / screw flights: Approximately 1–3 years, depending on material abrasiveness
> – Liners: Approximately 2–4 years
> – Bearings: Approximately 2–3 years
> We recommend ordering a wearing-parts spare kit together with your first order.
Q14: How do you solve problems during operation?
> We provide 7×24 technical support:>
> – Response within 24 hours for technical issues
> – Remote video troubleshooting guidance
> – Engineer on-site service when necessary
> – Common spare parts in stock for fast delivery
QUOTATION & COOPERATION
**Q15: How can I get a quote? How long does it take?
> Quotation process:
> 1. You provide material parameters, capacity, installation conditions, and other requirements
> 2. Our engineers evaluate and select the appropriate model
> 3. Formal quotation and technical proposal provided within 7 working days
> You can contact us via email, or the online inquiry form.
Q16: What are your payment terms?
> Standard payment terms:
> – 30% advance payment: After contract signing, to start production
> – 70% balance: Before shipment, or against copy of Bill of Lading
For long-term cooperative customers, more flexible payment terms can be negotiated.
Follow these 3 steps to find your ideal conveyor solution
Step 1: Identify Your Material Type
Different materials require different conveyor designs. Tell us what you are conveying:
| Material Category | Examples | Recommended Conveyor Type |
| Powder / Fine Granules | Fly ash, cement powder, lime powder | Screw Conveyor |
| Small Granules / Pellets | Biomass pellets, plastic granules, grain | Screw Conveyor / Belt Conveyor |
| Fragments / Chips | Wood chips, bark, agricultural residues | Chain Scraper Conveyor |
| Bulky / Abrasive | Bottom ash, slag, MSW, clinker | Chain En-Masse Conveyor |
| Vertical Lift | Any bulk material needs vertical transport | Bucket Elevator |
Step 2: Define Your Working Conditions
Please prepare the following parameters before contacting us:
| Parameter | Why It Matters | Example |
| Capacity (t/h) | Determines conveyor size and power | 10 t/h, 50 t/h, 100 t/h |
| Conveying Distance (m) | Determines machine length | 15m horizontal, 30m incline |
| Incline Angle (°) | Affects capacity and design | 0° horizontal, 30° incline |
| Material Temperature (°C) | Determines material grade | Ambient, 150°C, 300°C |
| Moisture Content (%) | Affects discharge design | Dry, damp, wet (needs dewatering) |
| Abrasiveness | Determines liner thickness | Low, medium, high |
| Application Industry | Determines certification needs | Power plant, cement, mining, recycling |
Step 3: Choose Configuration Options
Based on your answers above, our engineers will recommend:
Material grade — carbon steel / wear-resistant steel / stainless steel
Sealing type — open trough / fully enclosed / gas-tight
Drive system — motor power, gearbox brand, speed range
Auxiliary options — explosion-proof motor, cooling jacket, cleaning device, level sensors
Not Sure Where to Start?
Send us your basic requirements, and our engineers will design a customized solution for you — completely free.
Email: bootec@bootecgroup.com Response time: Within 24 hours
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