General purpose overhead crane
New Chinese Explosion-Proof Hoist Double-Beam Crane
Product Overview
The New Chinese Explosion-Proof Hoist Double-Beam Crane is a specialized material handling solution engineered by Weiyuan, featuring advanced explosion-proof technology combined with cutting-edge crab mode electric hoist 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 BNRT mode New Chinese crab 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
Comprehensive Explosion-Proof Certification
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.
Advanced BNRT Crab Electric Hoist
Features cutting-edge BNRT mode New Chinese crab explosion-proof electric hoist with superior performance capabilities, providing exceptional hoisting performance with enhanced reliability and reduced maintenance requirements for demanding explosion-proof applications.
Integrated Safety Design
Incorporates explosion-proof three-phase induction motors with variable frequency electromagnetic braking, fully enclosed hardened face gear reducers with 58-62HRC hardness, and comprehensive protection systems specifically engineered for hazardous environments.
Enhanced Dual Brake System
Features optional second brake interface on the reducer to greatly meet user safety requirements, providing redundant braking systems for critical applications in explosive atmospheres with enhanced operational safety.
Variable Frequency Control Technology
Utilizes state-of-the-art variable frequency speed regulation for hoisting mechanism, crab, and trolley traveling, reducing product shaking during hoisting and improving overall safety in 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 up to 20t capacity.
Paint and Coating Manufacturing
Perfect for paint shops, coating operations, and solvent-based manufacturing where volatile organic compounds create explosive atmospheres requiring certified explosion-proof material handling solutions with precise control.
Pharmaceutical and Fine Chemical Production
Ideal for pharmaceutical facilities and fine chemical production where solvents and volatile compounds create hazardous environments requiring reliable explosion-proof lifting equipment with contamination-free operation.
Food Processing and Alcohol Production
Designed for food processing facilities, breweries, and alcohol production where organic vapors and combustible materials create explosive atmospheres requiring safe material handling with hygienic design considerations.
Product Specifications and Dimensions
| Specification | Parameters |
|---|---|
| Lifting Capacity | 3t to 20t load range |
| Span Coverage | 3m to 50m maximum span |
| Lifting Height | 6m to 30m 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 full safety compliance
✓ Advanced BNRT Hoist: New Chinese crab explosion-proof electric hoist with superior performance and reliability
✓ Variable Frequency Control: Precise speed regulation with explosion-proof control systems for enhanced safety
✓ Dual Brake System: Optional second brake interface for enhanced safety in critical applications
✓ Integrated Transmission: Hoisting motor, reducer, and brake arranged for energy-saving and high efficiency
✓ Silent Operation: Advanced transmission technology with low noise operation and hardened gear faces
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, toluene, 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 advantage of the BNRT mode crab electric hoist over standard hoists?
A: The BNRT mode provides enhanced explosion-proof protection, superior lifting performance, integrated transmission design, and comprehensive safety features specifically engineered for crab-style operation in hazardous environments.
Q: How does the dual brake system enhance safety in explosion-proof applications?
A: The optional second brake interface provides redundant braking capability, ensuring safe load handling even if the primary brake system experiences issues, which is critical in explosive atmospheres where safety margins must be maximized.
Q: What maintenance considerations are important for explosion-proof operation?
A: Regular inspection of explosion-proof enclosures, verification of IP65 protection ratings, monitoring of surface temperatures below T4 limits, and certified maintenance procedures ensure continued safe operation in hazardous environments.
Q: Can this crane be integrated with automated systems in explosion-proof environments?
A: Yes, the crane features wireless expansion capabilities for connection to the Crane Industrial Internet Platform, enabling full lifecycle management and remote monitoring while maintaining explosion-proof safety standards.
