We are a professional manufacturer of drying equipment in the mining machinery field, focusing on R&D, production and sales of industrial drying machines for more than 20 years. We provide reliable, energy-saving and customized drying solutions for global customers in construction, mining, metallurgy and building materials industries. Today we introduce our core product: river sand dryer, which is widely used for drying river sand, quartz sand, silica sand and other granular materials, and has been exported to more than 80 countries and regions.
What is a River Sand Dryer
Basic Overview
River sand dryer is a kind of rotary drum drying equipment specially designed for granular materials like river sand. It adopts the co-current or counter-current heat exchange principle, which can efficiently remove moisture from wet sand and meet the strict moisture requirements of construction, foundry and other industries. As a professional drying equipment manufacturer, we optimize the lifting plate structure, sealing system and heat exchange process of our river sand dryer to improve thermal efficiency, reduce energy consumption and ensure stable long-term operation.
Working Principle
Wet river sand is fed into the rotating drum through the feeding device. Under the action of the special lifting plate, the sand is continuously lifted and scattered to fully contact with the hot air generated by the combustion chamber. The moisture in the sand is evaporated and discharged with the exhaust gas, and the dried sand is discharged from the discharge end. The whole process is continuous and automated, which can realize large-scale industrial drying production.
Technical Parameter Table of River Sand Dryer
| Parameter Item | Φ1.2×12m | Φ2.5×7m | Φ3.0×7m | Φ3.6×8m |
|---|---|---|---|---|
| Capacity (t/h) | 3–8 | 20–30 | 30–40 | 60–70 |
| Initial Moisture Content | ≤15% | ≤15% | ≤15% | ≤15% |
| Final Moisture Content | 0.5%–1% | 0.5%–1% | 0.5%–1% | 0.5%–1% |
| Motor Power (kW) | 14.8 | 15 | 30 | 45 |
| Drum Speed (r/min) | 3–6 | 3–6 | 3–6 | 3–6 |
| Fuel Type | Coal, Gas, Oil, Biomass | Coal, Gas, Oil, Biomass | Coal, Gas, Oil, Biomass | Coal, Gas, Oil, Biomass |
| Machine Weight (kg) | ~8,000 | ~18,000 | ~26,000 | ~38,000 |
This complete parameter table helps customers select the most suitable model according to their output, moisture requirements and site conditions.
Main Application Scenarios of River Sand Dryer
Construction & Aggregate Industry
River sand dryer is the core equipment in the construction aggregate production line. It dries wet river sand to the standard moisture content for concrete and mortar production, which can improve the strength and durability of building materials. It is widely used in highways, railways, bridges, high-rise buildings and other infrastructure projects.
Foundry Industry
In foundry production, the drying degree of molding sand directly affects the quality of castings. Our river sand dryer can reduce the moisture content of molding sand to below 1%, avoid casting defects such as pores and sand holes, and improve the qualified rate of castings in automobile, machinery and other manufacturing fields.
Mining & Metallurgy Industry
It is used for drying mineral powder, tailings sand, quartz sand and other materials in mining and metallurgy production lines. Dried materials are easier to transport, store and process, which can improve the overall efficiency of mineral processing and reduce production costs.
Building Materials & Environmental Protection Industry
The river sand dryer is also applied in cement, ceramic, glass manufacturing and construction waste recycling industries. It can dry various industrial slag and waste sand, realizing resource reuse and conforming to the global green environmental protection development trend.
Key Advantages of Our River Sand Dryer
High Thermal Efficiency & Energy Saving
Our river sand dryer adopts a three-cylinder nested design and optimized lifting plate structure, which increases the heat exchange area by 60% compared with traditional single-cylinder dryers. The thermal efficiency is improved by 40%, and the coal consumption per ton of sand is less than 9 kg, saving 40% of energy costs.
Stable Performance & Low Failure Rate
The drum is made of high-strength wear-resistant steel plate, with a solid frame and stable transmission system. The sealing system adopts labyrinth and felt dual sealing, which completely prevents dust leakage and hot air loss, ensuring long-term stable operation under heavy load.
Wide Adaptability & Flexible Operation
It can adapt to different moisture contents (5%–15%) and particle sizes of river sand, and the drying temperature and speed can be adjusted freely. It supports multiple fuel types such as coal, gas, oil and biomass, suitable for different regional energy conditions.
Successful Project Cases of River Sand Dryer
Case 1: Construction Sand Drying Line in Nigeria
Customer demand: 25 t/h river sand drying, final moisture content ≤1% for concrete production.Equipment configured: Φ2.5×7m river sand dryer.
Result: The equipment runs stably, the drying effect is uniform, the energy consumption is 30% lower than the customer's previous equipment, and it has been in continuous operation for 2 years without major failures.
Case 2: Foundry Molding Sand Drying Project in Brazil
Customer demand: 15 t/h molding sand drying, moisture content reduced from 12% to 0.8%.Equipment configured: Φ1.5×12m river sand dryer.
Result: The casting qualified rate increased from 88% to 96%, and the customer saved a lot of new sand procurement costs every year, with remarkable economic benefits.
Case 3: Quartz Sand Drying Production Line in Australia
Customer demand: 50 t/h quartz sand drying for glass manufacturing.Equipment configured: Φ3.6×8m river sand dryer with natural gas combustion system.
Result: The equipment meets the high-standard drying requirements of the glass industry, with low emission and high automation, which is highly recognized by local environmental protection departments.
Recommended Related Equipment
To provide customers with a complete set of material handling solutions, we recommend the following supporting equipment:
1.Sand Washing Machine – For cleaning river sand before drying
2.Vibrating Screen – For classifying dried sand particles
3.Dust Collector – Supporting environmental protection equipment
Frequently Asked Questions (FAQ)
1. What is the difference between co-current and counter-current river sand dryer?
Co-current dryer: Hot air and wet sand flow in the same direction, suitable for materials with high initial moisture content, with fast drying speed and low material temperature. Counter-current dryer: Hot air and wet sand flow in opposite directions, with higher thermal efficiency, suitable for materials requiring low final moisture content. We will recommend the best type according to your material characteristics.
2. How long is the warranty period of your river sand dryer?
We provide a 12-month warranty period for the whole machine. During the warranty period, we provide free maintenance and replacement of non-wearing parts. We also provide lifelong technical support and original spare parts supply services.
3. Can your river sand dryer be customized according to our site conditions?
Yes, we are a professional manufacturer with independent R&D and design capabilities. We can customize the drum size, capacity, fuel type, control system and other parameters of the river sand dryer according to your site area, output demand, energy type and other specific requirements.
About of Baichy Heavy Industry
Baichy Heavy Industry is a high-tech mining equipment company integrating R&D, manufacturing, sales, and after-sales service. Focusing on crushing, grinding, and mineral processing equipment, we provide professional solutions to our customers. We are ISO9001:2015 、certified, and our products include mobile crushing palnts, crawler crushing plant, construction waste crushing plants, jaw crushers, sand making machines, cone crushers, fine crushers, grinding mills, ball mills, etc., all with reliable performance to meet diverse project needs.
Our advantages:
• Professional pre-sales support: Free project design and comprehensive solutions to help you accurately select the right equipment;
• Comprehensive on-site service: Providing installation guidance and worker training to ensure smooth equipment commissioning;
• Reliable after-sales guarantee: A complete after-sales system, timely response to technical inquiries and equipment maintenance, ensuring long-term stable operation.
To protect your rights, please contact us through the following official channels for professional service:
Official Website Customer Service
https://wa.me/+8615093222637
Email: [email protected]
We are committed to providing high-quality equipment and full-cycle services to deliver comprehensive intelligent solutions for the global mining industry!
