12.18.2025 / 5-minute read

Bagged Powder Continuous Elevator

Overview

This document outlines a custom-engineered vertical conveying solution designed and supplied for a chemical processing client in Baiyin, Gansu.

The project involved the delivery and integration of a Continuous Vertical Chain Plate Elevator, specifically configured to transport bagged powder reagents between two production levels.

The core requirement was to provide a reliable, safe, and efficient lifting mechanism that operates within a potentially explosive atmosphere, interfaces seamlessly with the client’s existing material handling system, and meets precise operational cadence demands.

This solution emphasizes robust construction, certified safety components, and tailored design to fit exact spatial and functional parameters.

Basic Parameters

Item	Specification
Project Reference	ZD-WXQ20250807
Equipment Model	Continuous Vertical Elevator SJD0.05-8.0
Load Capacity	50 kg per bag
Throughput	8 bags / minute
Lift Height	8,000 mm
Conveyor Path	Z-type (infeed and discharge on opposite sides)
Plate Dimensions (L x W)	700 mm x 600 mm
Infeed / Discharge Height	Level 1: 650 mm; Level 2: 8,000 mm (from ground)
Drive Motor	Explosion-Proof Motor Certification: Ex d IIC T4 Gb / Ex d IIB T4 Gb, 120°C Db
Main Frame Material	Aluminum Alloy Profile (SD-8-8080)
Conveying Element	16A Roller Chain
Safety Enclosure	Diamond-pattern Steel Mesh
Installation	Floor-mounted, fixed with expansion bolts
Control Interface	Designed for integration with client’s central production line PLC
Finish Color	Light Grey (RAL 7035)

Challenge

Hazardous Environment Compliance: The operational area required equipment with a certified explosion-proof rating due to the presence of combustible powder, mandating strict adherence to ATEX/IECEx-equivalent safety standards.
Spatial and Flow Constraints: The need for a vertical lift of 8 meters within a limited footprint necessitated a compact Z-type layout, requiring precise mechanical design to ensure stable transfer at both levels.
Synchronized Production Integration: The elevator had to achieve a consistent cycle time of 8 bags per minute to match the upstream and downstream production rhythms, and its control system needed to be seamlessly integrated with the plant’s master control system for unified operation.
Durability & Maintenance: Handling 50kg bags in continuous operation required a robust structure and reliable driving components to minimize downtime and ensure a long-term service life.

Solution

Certified Explosion-Proof Safety

Equipped with an Ex d IIC T4 Gb / Ex d IIB T4 Gb explosion-proof motor and matching electrical components
Fully compliant with hazardous-area requirements
Effectively minimizes ignition risks during operation

Z-Type Vertical Conveying Design

8 m high Z-type continuous chain plate elevator
Smooth vertical lifting with 180° direction change at the top
Connects 650 mm infeed height (ground floor) to 8,000 mm discharge height (second floor)
Direct docking with the client’s belt conveyor system

Reliable Performance and Throughput

Heavy-duty 16A roller chain and reinforced aluminum alloy frame
Designed for 50 kg load per cycle
Calculated capacity of 8 bags per minute
PLC-based control system with Profibus / Ethernet/IP for easy system integration and remote control

Robust and Maintenance-Friendly Construction

High-strength aluminum profiles for rigidity and corrosion resistance
Diamond steel mesh enclosure for safety, ventilation, and visual inspection
Easy access to key components such as the drive unit and chains

Workflow

Automatic Loading: A bag from the upstream conveyor is placed onto the chain plate at the ground floor infeed point (650mm height).
Continuous Vertical Lift: The explosion-proof motor drives the loaded plate up the 8-meter Z-type frame at a fixed speed, meeting the 8 bags/minute cycle.
Automatic Unloading: At the top (8,000mm), the bag is smoothly transferred onto the client’s downstream conveyor at the second-floor workstation.
Continuous Return: The empty plate returns down the frame to the starting position, ready for the next cycle. This process runs continuously, synchronized with the overall production rhythm.