General purpose overhead crane
New Chinese Explosion-Proof Windlass Double-Beam Crane
Product Overview
The New Chinese Explosion-Proof Windlass Double-Beam Crane is a specialized material handling solution engineered by Weiyuan, featuring advanced explosion-proof technology combined with cutting-edge windlass crab hoisting mechanisms for safe operation in hazardous environments. This sophisticated double-beam crane system incorporates superior performance, safety, reliability, energy efficiency, and environmental sustainability through innovative lightweight, modular, and parametric design principles specifically engineered for explosive atmospheres. The crane utilizes a BNR mode New Chinese low-headroom explosion-proof electric hoist with state-of-the-art technology, while the trolley traveling mechanism employs a sophisticated three-in-one drive device paired with advanced variable frequency speed regulation control systems, ensuring safe and precise operational control in potentially explosive environments.
Product Advantages
Advanced Explosion-Proof Technology
Meets rigorous national standards including Explosion-proof Overhead Crane (JB/T 5897), Explosive Environment Part 1 (GB3836.1), and Explosive Environment Part 2 (GB3836.2), ensuring safe operation in explosive gas environments with explosion-proof levels up to ExdⅡCT4.
Comprehensive Safety Certifications
Certified for operation in Zone 1 and Zone 2 hazardous areas with temperature ratings from -20°C to +40°C, suitable for environments with combustible gas, steam, and air mixtures with ignition temperature groups not lower than T4 (135°C).
Superior Windlass Crab System
Features advanced New Chinese windlass explosion-proof crab with exceptional performance capabilities, providing superior hoisting performance with enhanced reliability and reduced maintenance requirements for demanding explosion-proof applications.
Integrated Explosion-Proof Design
Incorporates explosion-proof three-phase induction motors with variable frequency electromagnetic braking, fully enclosed hardened face gear reducers, and comprehensive protection systems specifically engineered for hazardous environments.
Advanced Variable Frequency Control
Utilizes state-of-the-art variable frequency speed regulation with intelligent manufacturing capabilities, providing precise control, stable operation, and enhanced safety features specifically designed for explosion-proof environments.
Application Scenarios
Chemical and Petrochemical Industries
Essential for chemical processing plants, refineries, and petrochemical facilities requiring safe material handling in explosive atmospheres with gases such as hydrogen, acetylene, ethane, propane, and other hazardous substances.
Oil and Gas Operations
Perfect for offshore platforms, drilling sites, and gas processing facilities where reliable explosion-proof lifting capabilities are crucial for equipment maintenance and material handling in potentially explosive environments.
Paint and Coating Facilities
Ideal for paint shops, coating operations, and solvent-based manufacturing where volatile organic compounds create explosive atmospheres requiring certified explosion-proof material handling solutions.
Mining and Extractive Industries
Designed for underground mining operations, coal processing facilities, and extractive industries where methane, coal dust, and other combustible materials create hazardous environments requiring explosion-proof lifting equipment.
Product Specifications and Dimensions
| Specification | Parameters |
|---|---|
| Lifting Capacity | 5t to 75t load range |
| Span Coverage | 3m to 50m maximum span |
| Lifting Height | 6m to 40m vertical range |
| Work Level Classification | A5 duty cycle rating (M5 for hoist) |
| Operating Temperature | -20°C to +40°C environmental range |
| Explosion-Proof Rating | ExdⅡBT4 and ExdⅡCT4 certified |
| Hazardous Area Classification | Zone 1 and Zone 2 approved |
| Motor Protection Grade | IP65 with F-class insulation |
Features at a Glance
✓ Explosion-Proof Certification: ExdⅡBT4 and ExdⅡCT4 ratings for comprehensive hazardous gas compatibility
✓ Zone 1 & 2 Approved: Certified for operation in Zone 1 and Zone 2 hazardous areas with comprehensive safety compliance
✓ Advanced Windlass Technology: New Chinese windlass explosion-proof crab with superior performance and reliability
✓ Variable Frequency Control: Precise speed regulation with explosion-proof control systems for enhanced safety
✓ Comprehensive Safety Systems: Multiple protection devices including overload, lifting limits, overcurrent, and short-circuit protection
✓ Silent Operation: Advanced transmission technology with low noise operation for comfortable working environments
✓ Temperature Resistant: Operational range from -20°C to +40°C for diverse environmental conditions
FAQ
Q: Which hazardous gases are compatible with this explosion-proof crane?
A: The crane is certified for ExdⅡBT4 gases (ethane, propane, gasoline, acetone, benzene, methanol, etc.) and ExdⅡCT4 gases (hydrogen, water gas, acetylene), covering most industrial explosive atmospheres with ignition temperatures not lower than T4 (135°C).
Q: What is the difference between Zone 1 and Zone 2 hazardous area classifications?
A: Zone 1 areas have explosive gas mixtures that may occur under normal conditions, while Zone 2 areas have explosive mixtures that cannot appear under normal conditions but may occur occasionally due to equipment failure or mis-operation.
Q: How does the explosion-proof windlass crab enhance safety?
A: The windlass crab features explosion-proof enclosures, variable frequency electromagnetic braking, integrated transmission design, and comprehensive protection systems specifically engineered to prevent ignition sources in explosive atmospheres.
Q: What maintenance requirements are needed for explosion-proof operation?
A: Regular inspection of explosion-proof enclosures, verification of protection grade ratings, monitoring of temperature limits, and certified maintenance procedures ensure continued safe operation in hazardous environments.
Q: Can this crane be customized for specific explosion-proof requirements?
A: Yes, the modular design allows customization for specific explosion-proof ratings, hazardous area classifications, temperature requirements, and specialized safety features based on your facility’s hazardous environment characteristics.
