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The Resin Sand Mixer is a core equipment in chemically bonded sand molding and core-making processes, specifically designed for the continuous or batch mixing of furan resin sand, alkaline phenolic sand, sodium silicate sand, and other no-bake sand systems. Utilizing high-speed powerful agitation + precise metering + fully automatic control, the mixer ensures thorough blending of base sand, resin, hardener, and additives within seconds—producing stable, highly flowable, high-strength molding or core sand that meets the demanding quality requirements of large, complex, and precision castings.
This mixer is suitable for standalone operation or integration into automated sand lines, widely used in the production of large steel and iron castings for wind power, shipbuilding, metallurgy, heavy machinery, construction equipment, valves, and rail transit. Available in continuous and batch modes, with a capacity range of 1–30 tons/hour, it can be flexibly configured based on customer process requirements.
Core Functions & Process Flow
1. Precise Metering System Equipped with high-precision load cells and frequency-controlled screw feeders for real-time dynamic measurement of base sand (accuracy ±0.5%). Resin and hardener are dosed by corrosion-resistant metering pumps (e.g., gear or screw pumps) at preset ratios, with flow control accuracy ±1%.
2. High-Efficiency Mixing System Features a twin-shaft counter-flow agitator or planetary high-speed rotor, with mixing blades made of wear-resistant alloy steel (e.g., NM400) or ceramic coating for long service life. Mixing time: 15–45 seconds; homogeneity ≥98%, ensuring complete resin coating without "raw spots" or lumps.
3. Intelligent Control System Integrated PLC + 10" HMI enables multi-recipe storage, automatic calling, parameter setting, fault alarms, data logging/export. Optional remote monitoring module allows real-time status viewing via smartphone/PC—enabling unattended operation.
4. Cooling & Dust Collection Mixing chamber equipped with water-cooled jacket or air cooling to control temperature rise and prevent premature resin curing.Pulse cartridge dust collectors at inlets/outlets (emission ≤5 mg/m³) ensure a clean workshop environment.
5. Discharge & Conveying Mixed sand is discharged quickly via pneumatic or electric flip gate, ensuring smooth, residue-free discharge. Can be directly connected to belt conveyor, bucket elevator, or pneumatic system for continuous feeding to molding stations.
Key Features
Uniform Mixing, Stable Performance High-speed agitation ensures complete resin-sand blending—high strength, low gas emission, excellent flowability—reducing blowholes and veining.
Precise Metering, Controlled Ratios Fully automatic proportioning of sand, resin, and hardener with minimal error—ensuring consistent sand properties.
High Automation, Easy Operation One-button start; automatic metering, mixing, and discharge. User-friendly interface—minimal training required.
Compatible with Multiple Resin Systems Supports furan, alkaline phenolic, modified silicate, PU resins—process changeover via recipe switch.
Safe & Reliable, Comprehensive Protection Features emergency stop, overload protection, interlocked doors, temperature monitoring—ensures stable operation in harsh environments.
Main Technical Specifications
Parameter
Specification
Model Series
ZS-1000 / ZS-2000 / ZS-3000 / ZS-5000
Operation Mode
Continuous / Batch
Capacity
1 ~ 30 t/h Expandable
Mixing Time
15–45 <br>seconds
Mixing Homogeneity
≥98%
Metering Accuracy
Sand: ±0.5%/ Resin/Hardener: ±1%
Control System
PLC + 10" HMI + <br>Optional remote monitoring
Total Power
15 ~ 185 kW<br>Depending on model
Weight
3–25 tons
Discharge Method
Pneumatic flap / Electric ram
Protection Rating
IP54 (electrical), IP65 (critical parts)
Typical Applications
No-bake sand mixing for large steel castings (wind turbine hubs, marine crankshafts, rolls)
Resin sand molding for complex parts (pumps, valves, housings)
Mass production of rail transit and construction machinery chassis components
Integrated with continuous sand lines, automated molding lines, and central control systems
Small-batch high-performance sand preparation for labs or pilot plants
Company Profile
Qingdao Dingli Machinery Co., Ltd.
Qingdao Dingli Machinery Co., Ltd. is a company specializing in the production of casting machinery equipment. It mainly manufactures equipment for casting clay sand, resin sand, coated sand, wet sand drying, lost foam casting, sodium silicate sand, etc. It can undertake various turnkey projects, including the design, manufacturing, installation and commissioning of mechanical sand processing. Our factory has strong technical strength and advanced processing equipment. We have long-term and close technical cooperation with many senior experts and scholars from domestic universities and research institutions. We can provide users with high-performance, reliable products and satisfactory services. Our company adheres to the principles of promoting enterprise development through technology, prioritizing quality, continuous improvement and customer satisfaction. We are willing to sincerely cooperate with friends from all walks of life to achieve common prosperity. Our company mainly undertakes the following projects: 20-180t/h mechanized clay sand processing production line and single machine equipment turnkey project. Annual production of 1000 to 20,000 tons of consolidated resin sand casting mechanized production line and single machine equipment turnkey project. Annual production of 3,000 to 10,000 tons of hot processing coated sand complete equipment and single machine equipment turnkey project. Annual production of 3,000 to 7,000 tons of hot coating sand regeneration complete equipment and single machine equipment turnkey project. 5-15t/h sodium silicate mechanical production line and single machine equipment turnkey project. 5-30t/h three-stage sand drying equipment and single machine equipment turnkey project. 5-40t/h lost foam casting complete equipment and single machine equipment turnkey project and other types of shot blasting cleaning equipment, lifting equipment, conveying equipment, cooling equipment, magnetic separation equipment, environmental protection dust removal equipment. Welcome to contact us~
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2013
Ecer Certification：
Verified Supplier
Qingdao dingli machinery Co., Ltd is located in the famous coastal city, the hometown of casting machine - Qingdao, since its establishment, we are always adhering to the traditional industries with the aim of combined closely with the foreign advanced technology, through the introduction, cooperati... Qingdao dingli machinery Co., Ltd is located in the famous coastal city, the hometown of casting machine - Qingdao, since its establishment, we are always adhering to the traditional industries with the aim of combined closely with the foreign advanced technology, through the introduction, cooperati...
