Product Parameters
Model |
Efficiency of production:m³/H |
Turning radius:mm |
Motor power:Kw |
Motor speed: R/min |
Fan power:Kw |
Air volume:m³/H |
S8340 |
40 |
700 |
18.5 |
970 |
7.5 |
5730 |
S8380 |
80 |
800 |
30 |
980 |
15 |
10850 |
S83120 |
120 |
900 |
45 |
980 |
15 |
12780 |
S83160 |
160 |
1150 |
75 |
1490 |
22 |
17463 |
Detailed Photos

Product Description
Introducing the groundbreaking Customizable Sand Cooler Multi-Cooler from Qingdao Sanzhuji Technology Co., Ltd. This state-of-the-art marvel is expertly crafted for the efficient rejuvenation and cooling of old green sand. Seamlessly unifying the temperature, humidity, and composition of the sand, it ensures a flawless cooling process. With its sleek design and reliable performance, this machine is engineered for minimal energy use while consistently delivering exceptional cooling results. The high-pressure fan elevates the sand to a boiling state, maximizing cooling efficiency. The user-friendly adjustable unloading door provides precise material discharge control, making it a sophisticated component of an optimal sand cooling system. With an advanced automatic temperature and humidification system, blower, induced fan, and integrated water system, it presents a comprehensive solution to transform sand cooling.
Our machine provides unmatched adaptability with two distinct discharging options: the straight line type and the vertical type, perfectly adaptable to diverse installation scenarios. Customers can specify the preferred unloading direction—left or right—during the order process, ensuring seamless integration into existing workflows.
In the ever-evolving landscape of foundry workshops, effectively cooling high-temperature wet sand (80-150ºC with a water content of 3-8%) is crucial. It significantly affects the recycling rate of molding sand and the overall quality of castings. Our double-disc stirring cooler leads the way in innovation, offering a highly efficient, energy-saving, and customizable solution. By employing boiling heat exchange and precise multi-parameter control technology, this equipment sets a new standard in energy efficiency for sand processing. This document explores the thermodynamic principles and process adaptability, underscoring the sophisticated intelligent control system and its applications across numerous industries, reshaping sand processing standards.
1. Technical principle and core component design
Leveraging the physical properties of old sand particles (particle size 0.15-1.2mm), our equipment achieves unprecedented success through two core technologies: fluidized cooling and dynamic homogenization, setting new benchmarks in the industry.
Boiling state heat exchange system:
Our high-pressure centrifugal fan, with a remarkable air volume capacity of 8000-25000m³/h, elevates the sand layer to a suspended boiling state (300-600mm). This significantly expands the contact surface between sand particles and cool air, boosting cooling efficiency to an extraordinary 30-80t/h, while achieving a substantial 40% energy saving compared to traditional vibrating cooling beds.
Stepped air distribution plate: The innovative porous ceramic hood, with a 35% porosity and integrated guide vanes, ensures uniform airflow distribution (speed deviation <5%), effectively preventing localized overheating or agglomeration, guaranteeing consistent cooling performance.
Coordinated control of temperature and humidity:
Dual-fluid nozzle system: This system meticulously harmonizes compressed air (0.6MPa) with atomized water (particle size 10-50μm), maintaining the old sand's humidity at an optimal 2.5±0.3% and reducing its temperature to a stable ≤35ºC, optimizing conditions for subsequent processing.
Infrared thermal imager: Equipped for real-time monitoring of the sand layer's temperature field (accuracy ±1ºC), it enables dynamic adjustments to fan speeds and water spray volumes, effectively eliminating cooling inconsistencies and boosting overall system reliability.
Modular structural design:
Linear/vertical dual mode:
Linear type (L series): Custom-designed for sand processing lines with ample ground space, this series offers a phenomenal processing capacity of up to 100t/h, ensuring remarkable throughput and efficiency.
Vertical type (V series): Engineered with a compact tower layout that occupies minimal space (≤8), this model is ideal for tight production areas with ceiling heights exceeding 8m, maximizing vertical space utilization.
Two-way unloading door: Featuring a pneumatically adjustable gate valve (0-100%), our design allows precision unloading accuracy up to ±2%, with customizable left/right discharge directions, enhancing operational flexibility.
2. Full-Process Integrated Solution for Foundry Sand Treatment
Our cutting-edge equipment is seamlessly woven into the complete sand-sanding-screening-cooling-regeneration chain. This innovative system crafts an intelligent cooling unit that is set to revolutionize the industry by transforming the way foundry sand is treated.
Pretreatment of High-Temperature Old Sand:
Working harmoniously with the vibrating conveyor, our unit initiates a groundbreaking pre-cooling process. It reduces the 600ºC red-hot sand to a more manageable 150-200ºC. This critical step prevents deformation at high temperatures, ensuring the fluidized bed is perfectly primed for the next stages of processing.
Our state-of-the-art magnetic separation module, boasting a magnetic induction intensity of no less than 1200Gs, meticulously removes iron bean impurities. This protects the air distribution plate from impact wear and tear, ensuring longevity and reliability.
Revolutionary Closed-Loop Water Circulation System:
By merging a cyclone separator with a phenomenal removal rate of over 95% and a plate heat exchanger maintaining a temperature difference of ≤5ºC, wastewater is ingeniously recycled. This innovation leads to an impressive 70% water saving rate, making it a sustainable solution.
Advanced Intelligent Dust Removal System:
Leading this system is an ultra-efficient pulse bag dust collector, which achieves a filtration efficiency of 99.9%. Emission concentrations are kept under <10mg/m³, and noise levels are maintained at a comfortable ≤75dB(A), ensuring a serene working environment.
3. Comparative Analysis: Core Advantages and Economic Gains
Compared to traditional cooling apparatus, our machine redefines efficiency with its unique combination of energy recovery and next-generation digital twin control technology, setting new standards in the industry.
Optimized Energy Consumption Strategies:
The sophisticated heat pipe waste heat recovery system efficiently transforms exhaust gas heat (ranging from 80-120ºC) into valuable hot water (50-70ºC). This leads to an extraordinary annual saving of over 800,000 yuan in steam costs, on a processing capacity of 50t/h, showcasing unmatched efficiency.
With the synergy of a variable frequency fan and permanent magnet motor, power consumption per ton of sand is impressively decreased to ≤1.2kW·h. This represents a remarkable 35% reduction compared to similar equipment, marking a new benchmark for economic efficiency.
Data-Driven Quality Enhancement:
The fluctuation in molding sand compaction rate has been impressively minimized from ±2.5% to ±0.8%. This innovation has reduced the incidence of porosity defects in castings by an astounding 75%, enhancing product quality to new heights.
The reuse rate of old sand has surged to an impressive 90%, effectively halving the costs associated with replenishing new sand by 50%. This pivotal improvement not only boosts sustainability but also drives significant cost savings.
Maintenance Made Effortless:
With its quick-detachable hood design, replacing a single hood is swift and simple, taking less than 3 minutes. This design greatly enhances maintenance efficiency and reduces downtime.
Both the observation window and maintenance platform adhere to OSHA standards, providing seamless and safe online maintenance support. This ensures that the system is user-friendly and operation-ready at all times.
Certifications
Factory Panorama

Factory Address
QINGDAO SANZHUJI
With a proud legacy spanning over 14 years, Qingdao Sanzhuji Technology Co., Ltd. stands at the forefront of innovation in the sand casting machinery industry. Our expertise stretches across a diverse range of specialized production lines, including those for green sand casting, furan resin sand casting, lost foam casting, and coated sand steel sand buried casting. Our commitment to excellence and quality has cemented our reputation as a trusted leader in the field.
Contact Us
Address: Nestled in the strategic location of North of G204 National Road, Poli Town, within the dynamic West Coast New Area of Qingdao, China, our address is a hub of manufacturing prowess and innovation.