Product Parameters
Model |
Efficiency of production:T/H |
Motor power:Kw |
Fan power:Kw |
Delamination rate |
Recovery rate |
Micronized powder content |
S5310 |
10 |
2×18.5 |
15 |
25% |
90% |
5% |
S5315 |
15 |
2×22 |
18.5 |
25% |
90% |
5% |
S5320 |
20 |
2×30 |
20 |
25% |
90% |
5% |
S5330 |
30 |
2×37 |
30 |
25% |
90% |
5% |
Detailed Photos
Product Description
Presenting the state-of-the-art S53 Scrubber Recycling Machine by Qingdao Sanzhuji Technology Co., Ltd. This next-generation machine stands at the pinnacle of sand grain restoration. Equipped with a powerful double-axis mechanism, it expertly eradicates residual resin curing agents that cling to sand grains. Through dynamic rubbing and advanced de-filming techniques, this machine ensures unparalleled sand rejuvenation.
The machine’s efficiency is further enhanced by a meticulously designed high-performance fan at the base, which effectively separates any residual old film and dust, delivering impeccable cleanliness. Post-treatment, the rejuvenated sand maintains outstanding integrity with beautifully rounded grains. This superior quality drastically reduces the necessity for extra liquid materials during subsequent mixing, facilitating a more cost-effective and streamlined process. Discover the future of sand recycling, reimagined through the S53 Scrubber Recycling Machine.
As the core apparatus for the renewal of foundry old sand, this formidable rubbing regeneration machine achieves efficient stripping and rejuvenation of aged sand types, such as resin sand and water glass sand. It accomplishes this through the combined prowess of dual-axis mechanical rubbing and airflow assistance. We present a thorough analysis covering technical principles, structural design, process flow, and real-world application effects:
1. Technical principles and core mechanisms
The dual-axis regeneration machine operates with two transmission main shafts rotating at high speeds in opposite directions (reaching up to 720-970r/min), equipped with wear-resistant alloy blades or cast iron rubbing discs. As sand enters the regeneration chamber, it undergoes repeated rubbing and collision due to the linear shear force and convection from the blades. This mechanical action efficiently strips away the resin film and curing agent from the sand's surface and achieves surface rounding through particle friction, minimizing edge damage. Compared to traditional three-axis designs, the dual-axis configuration optimizes chamber space, enhances material throughput by 10-30t/h, and simultaneously reduces energy consumption.
2. Boiling airflow aids film stripping. A bottom blower (air volume > 3700m³/h) injects adjustable airflow into the chamber via a boiling orifice plate, creating a fluidized mixing environment of sand and air. This airflow boosts the collision frequency between sand particles and discharges stripped inert film and dust through the dust removal vent. This 'mechanical + airflow' dual effect elevates the film stripping rate to over 80%, while the sand temperature can be diminished by 30-50ºC.
3. Wear-resistant and vibration-reducing design. The rubbing blade utilizes a carbide convex rib welding process, enhancing wear resistance by more than threefold. The chamber body and frame are connected through rubber elasticity to effectively dampen vibrations caused by high-speed operations, ensuring equipment stability.
4. Applicable sand mold and regeneration effect
Furan resin sand: The brittle resin film is efficiently removed with a rubbing duration of 180 seconds, resulting in a burn loss of less than 1.0%. The tensile strength of regenerated sand is restored to 90% of its original state.
Water glass sand: Requires a combination with wet regeneration (sand-water ratio 1:1.5) or low-temperature freezing centrifugal process (-40ºC). However, employing dry regeneration as a pretreatment can significantly reduce the subsequent wet load.
Alkali phenolic resin sand: Demands higher rubbing strength for film removal, such as wheel rolling pressurization. Post-regeneration, the sand particles exhibit improved roundness, and gas emissions are reduced by 30%.
5. Technical advantages and economy
Experience enhanced regeneration efficiency. In comparison to traditional centrifugal machines (power 22kW/stage) or airflow impact equipment, the double-axis regeneration machine reduces unit energy consumption by 40%. It maintains the sand particle crushing rate within 5%, ensuring superior integrity over vibration-based regeneration methods.
Experience a revolution in production cost efficiency with our Turnkey Mechanical Rubbing and Regeneration of Coated Sand Services. By achieving a resin active film residue on regenerated sand of less than 0.3%, we enable a remarkable reduction in the amount of curing agent used—slashing it by 30% to 50% during the sand mixing process. Additionally, our innovative approach adjusts the sand-iron ratio from an equal 1:1 to an optimized 1:1.5. This strategic improvement dramatically decreases the need to purchase new sand, resulting in significant savings and cost-effective operations.
Embrace unparalleled environmental compatibility with our cutting-edge solutions that feature dry regeneration processes, eliminating any need for wastewater discharge. Our state-of-the-art pulse back-blowing dust removal system centralizes dust processing, achieving a dust removal efficiency greater than 99%. This ensures compliance with the ultra-low emission standards required by the stringent regulations of the foundry industry, advocating for a cleaner and more sustainable future.
Certifications
Factory Panorama

Factory Address
QINGDAO SANZHUJI
Pioneers in sand casting machinery innovation, Qingdao Sanzhuji Technology Co., Ltd. excels with over a decade of expertise, offering a diverse range of casting production lines. From green sand to furan resin, lost foam to coated sand steel buried casting production lines, our 14-year legacy is marked by cutting-edge technology and unmatched craftsmanship.
Contact Us
Address: Located at the strategic heart of Qingdao, our factory resides North of G204 National Road, in the bustling Poli Town of the West Coast New Area, China. Discover seamless access and a hub of industrial excellence.