Burried Scraper Chain Conveyor

Buried Scraper Chain Conveyor

A Buried Scraper Chain Conveyor, also known as an En-Masse Conveyor, is a type of material handling equipment designed for the efficient and enclosed transport of bulk materials. It uses a chain-driven system with attached scrapers or paddles that move the material through an enclosed trough. This system is highly effective for horizontal or inclined conveying of powdery, granular, and small lumpy materials.

Features of Buried Scraper Chain Conveyors

1. Versatile Material Handling:
   • Suitable for materials such as coal, ash, clinker, cement, limestone, grains, sand, and more.
   • Can handle materials with different flow properties, including abrasive, sticky, and fragile materials.
2. Enclosed Design:
   • Ensures minimal spillage and dust emission, making it environmentally friendly and cleaner to operate.
3. Compact Structure:
   • The enclosed trough allows for space-efficient installation in facilities with limited space.
4. Efficient Transport:
   • Can convey materials horizontally, vertically, or at an incline, providing flexibility for various layouts.
   • En-Masse Effect: Material moves uniformly as a solid column with minimal disturbance, reducing wear and tear.
5. Durable Construction:
   • Made from abrasion-resistant materials for long service life, even with highly abrasive materials.
   • Heavy-duty chains and paddles ensure consistent performance in demanding environments.
6. Energy Efficiency:
   • Operates with relatively low power consumption compared to other conveyor types.

How a Buried Scraper Chain Conveyor Works

• A continuous chain is fitted with scrapers or paddles that travel along a sealed trough.
• Bulk material enters the conveyor through an inlet and is moved forward by the scrapers.
• The material forms a solid column that moves together, ensuring efficient conveying.
• The chain is driven by a motorized drive unit and circulates within the conveyor’s housing.

Applications of Buried Scraper Chain Conveyors

1. Power Plants:
   • Ash Handling: Transporting bottom ash and fly ash from boilers to silos or disposal areas.
   • Coal Handling: Moving coal from storage to feeding systems.
2. Cement Industry:
   • Conveying materials like clinker, gypsum, raw meal, and finished cement.
3. Biomass and Waste-to-Energy Plants:
   • Efficient transport of biomass ash, slag, and other residues.
4. Chemical and Fertilizer Plants:
   • Handling powdery and granular materials like fertilizers, chemicals, and phosphates.
5. Food and Grain Industry:
   • Transporting grains, sugar, salt, and other food-grade materials.
6. Mining and Aggregate Industry:
   • Moving minerals, ores, sand, and crushed stone.

Advantages of Buried Scraper Chain Conveyors

1. High Efficiency:
   • Capable of transporting large volumes of material over long distances.
2. Reduced Maintenance:
   • Durable components minimize the frequency of repairs and replacements.
3. Customizable Design:
   • Available in various sizes, materials, and configurations to suit specific applications.
4. Dust-Free Operation:
   • Fully enclosed design prevents dust leakage, ensuring a cleaner work environment.
5. Cost-Effective:
   • Low operational and maintenance costs compared to alternative conveying systems.
6. Flexibility:
   • Can be adapted to handle different material types and flow rates.

Key Design Considerations

1. Material Characteristics:
   • Flowability, abrasiveness, moisture content, and temperature of the material.
2. Conveyor Layout:
   • Horizontal, inclined, or vertical transport requirements.
3. Trough and Chain Material:
   • Choose abrasion-resistant materials for handling abrasive materials.
4. Capacity and Speed:
   • Designed to match the required throughput and flow rate of the material.
5. Power Requirements:
   • Motor and drive system should be designed to handle the load efficiently.

Maintenance Tips for Buried Scraper Chain Conveyors

1. Chain Tensioning:
   • Regularly inspect and adjust chain tension to prevent slack and wear.
2. Lubrication:
   • Ensure chains and moving parts are properly lubricated to reduce friction.
3. Wear Monitoring:
   • Inspect chains, paddles, and trough linings for wear and replace as needed.
4. Cleaning:
   • Periodically clean the conveyor to prevent material buildup that could hinder performance.
5. Drive System Inspection:
   • Check motors, gearboxes, and drive shafts for proper operation.

Conclusion

The Buried Scraper Chain Conveyor is a robust and versatile solution for handling bulk materials in a wide range of industries. Its ability to operate in challenging conditions, transport materials over long distances, and maintain a clean, dust-free operation makes it an essential tool for efficient material handling.

Would you like assistance with the design, installation, or integration of a buried scraper chain conveyor for your application?

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:

Step 2: Define Your Working Conditions

Please prepare the following parameters before contacting us:

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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