We understand that standard steel lifts often shed metallic flakes, contaminating high-purity polysilicon melts, while rough transfers tear delicate bags and halt 24/7 production. To eliminate these process nightmares, we developed this zero-contamination Z-type continuous vertical conveyor.
Snag-Free 304 Stainless Trays: We utilize smooth, contamination-free steel square tubes to prevent bag snags.
Sealed Dust-Barrier Cladding: Our clean PP enclosure isolates moving chain oils and airborne particles from bags.
High-Throughput Non-Stop Loop: We engineered a continuous multi-carrier flow to sustain steady 24/7 furnace feeding.
| Technical Parameter | Standard Specification | Customization Options |
| Target Cargo Weight | 30 kg per bag | Configured from 5 kg up to 100 kg (Fully Customizable) |
| Standard Bag Dimensions | 330 mm x 230 mm x 260 mm | Engineered to support any chemical bag dimensions (Fully Customizable) |
| System Throughput Capacity | 3 Tons per hour | Scaled up to 15 Tons per hour with high-frequency loops (Fully Customizable) |
| Inlet Port Deck Height | 700 mm | Adjustable to match client’s existing belt lines (Fully Customizable) |
| Outlet Port Deck Height | 4200 mm | Tailored to any mezzanine platform or silo height (Fully Customizable) |
| Carrying Tray Material | 304 Stainless Steel (15x30x3mm) | Option for 316L stainless steel or clean polymer trays (Fully Customizable) |
| Primary Mast Framework | 80 mm x 80 mm powder-coated carbon steel | Available in full 304 stainless steel framework (Fully Customizable) |
| Cladding Material | PP protective plates | Clear polycarbonate or stainless steel mesh panels optional (Fully Customizable) |
| Drive Gearmotor Brand | SEW or Nord (2.2 kW) | Rated based on required speed and throughput load (Fully Customizable) |
| Speed Control Inverter | Siemens VFD | PLC integration with custom Profinet communication (Fully Customizable) |
| Docked Conveyors | 2 sets of belt conveyors (Length 1000 mm) | Sized to match in-feed and out-feed buffer needs (Fully Customizable) |
Polished 304 Stainless Steel Trays: To prevent micro-scale iron shedding from ruining high-purity melts, our engineering team selected 15x30x3mm square stainless steel tubes for all product-contact carriers.
Sealed Dual-Lip Internal Bearings: Liquid lubricants and grease from standard tracks are blocked from reaching the silicon bags by our integration of premium, grease-sealed stainless steel bearings.
Leachate-Resistant PP Cladding Enclosure: Enclosing the structural carbon steel frame inside thick, non-offgassing PP panels isolates all moving chain oils from the processing channel.
3-Ton Hourly Throughput: The system achieves continuous vertical transit via a synchronized multi-tray loop powered by a high-efficiency SEW gearmotor.
Low-Vibration Vertical Travel: Heavy-duty Donghua carbon steel chains distribute load forces equally across the carriage track to ensure smooth movement.
Soft-Start Speed Modulation: We integrated a Siemens VFD to govern lift speeds between 700mm and 4200mm, providing precise velocity control.
Dust-Repellent Bronze Bushings: The severe problem of fine silicon dust causing bearings to bind is solved by our choice of dry-running composite bushings.
Quick-Access Visual Inspection Ports: Side PP panels include tool-free hatch doors, allowing your plant operators to verify chain tensions safely without interrupting the continuous 24/7 furnace feed line.
Full 12-Month Structural Guarantee: To protect your investment in automated high-throughput lines, our packages include a comprehensive warranty and remote PLC diagnostic support.
Zero-Impact Motorized Belt Handovers: Plastic bag tearing risks are eliminated by our synchronized in-feed and out-feed motorized belt conveyors that transfer bags with gentle, non-contact precision.
Instant-Action Slack Chain Detents: Catastrophic chain binding or cargo jams are prevented by our direct-acting mechanical sensors that drop drive power immediately upon tension loss.
Interlocked Steel Perimeter Isolation Caging: Operators are isolated from dangerous vertical moving components by our modular wire caging equipped with solenoid-locked access doors.
Industry Standards & Compliance:
Manufactured to conform strictly to ANSI/ASME B20.1 conveyor safety codes for continuous vertical elevators.
Designed in strict accordance with OSHA automated warehousing standards to safeguard process plant technicians.
CE certified under the European Machinery Directive 2006/42/EC for our specialized continuous vertical lifts.
Elevating bagged granular polysilicon from ground-level filling stations to upper raw material dosing platforms.
Continuous vertical transport of delicate photovoltaic materials between floor levels in solar cell manufacturing plants.
Conveying bagged highly sensitive chemical powders requiring contamination-free carrying platforms.
In-line bag elevator integration for automated palletizing and secondary cartoning lines.
Vertical buffering of high-purity chemical bags prior to pneumatic discharge feeding.
Automated floor-to-floor logistics of boxed or bagged semiconductor silicon wafers in cleanrooms.
For this heavy-duty series, we can engineer load capacities up to [300] tons, with platform dimensions and lifting heights customized to your operational envelope. Requirements exceeding our standard engineering matrix will undergo a Finite Element Analysis (FEA) by our engineering team to ensure structural viability before proposing a solution.
To initiate the engineering proposal, please provide the following baseline data:
Rated Load Capacity
Maximum Lifting Height & Closed Height
Platform Dimensions (L x W)
Duty Cycle (e.g., operational cycles per hour/day)
Environmental Conditions (e.g., indoor/outdoor, washdown, explosion-proof)
Pit depth or overhead clearance constraints
Yes. The control systems can be equipped with standard communication protocols (e.g., Profinet, Modbus, Ethernet/IP) utilizing [Siemens / Allen-Bradley / Omron] PLCs. This ensures seamless I/O signal synchronization with upstream/downstream conveyors, AGV/AMR units, and your central control room.
Every custom unit undergoes a mandatory Factory Acceptance Test (FAT) prior to dispatch. This includes continuous operational testing at 100% rated load, static overload testing at [120% / 125%] capacity, and the physical triggering of all mechanical anti-fall and hydraulic safety interlocks. FAT documentation and video proof are included in your engineering package.
Upon final approval of the General Arrangement (GA) drawings, the manufacturing lead time is typically 4 to 8 weeks. Oversized structural components are engineered with a modular design to fit into standard shipping containers (20FT/40HQ). On-site assembly utilizes pre-engineered bolted flange connections and heavy-duty aviation plugs, strictly eliminating the need for field welding.
We provide a standard [12/24]-month warranty covering the structural frame and primary hydraulic/electrical components. To minimize operational downtime, a comprehensive set of standard consumables (e.g., cylinder seal kits, travel switches, relays) is shipped alongside your equipment. During the warranty period, replacement parts for non-human-induced failures are dispatched via priority air freight (DHL/FedEx) within 48 hours.
Beyond the warranty, we guarantee lifetime engineering support. Your custom equipment's CAD drawings, electrical schematics, and BOM (Bill of Materials) are permanently archived in our system. This ensures you receive uninterrupted remote troubleshooting, maintenance guidance, and exact spare parts matching for the entire lifecycle of the equipment.
Gradin Machinery is a leading manufacturer specializing in aerial work platforms and hydraulic lifting solutions. With ISO & CE certifications, we provide safe, reliable, and customized equipment for global industrial needs
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