This invention provides a circumferential welding device for boiler pressure vessel end panels. It includes a fixed disc, a rotatable ring driven by a motor, and movable plates with suction cups for secure clamping. A laser welding unit is mounted on an adjustable support, allowing precise control and automation of the welding process.

A rotary pyrolysis system for solid waste featuring an automatic discharge channel composed of two connected ducts. The rotating drum and helical structures enable continuous material movement and discharge, improving energy efficiency and operational convenience.

An innovative carbon black refinement system that connects a jet mill, powder collector, and dual-stage dust removal units to achieve uniform particle size, reduced energy consumption, and minimal environmental impact—ideal for scalable industrial applications.

A separation device featuring dual screw conveyors and air-assisted separation to isolate carbon black and steel wires post-pyrolysis. It enhances storage and transportation efficiency with clean and reliable output.

This distillation system enables efficient, safe, and clean processing of waste engine oil. Its integrated circulation and multi-stage distillation towers deliver high oil recovery, reduced energy usage, and extended equipment lifespan.

This equipment features a sealed, indirect heating system with a remote thermal circulation loop. It ensures uniform heating, reduced fuel consumption, and automated feeding—suitable for modern asphalt production with energy-saving goals.

A continuous pyrolysis system for waste tires, integrating conveyors, condensers, and a complete combustible gas recovery setup. It improves safety, durability, and energy recovery, while reducing emissions and waste.

An energy-efficient oil refining process that captures residual heat for power generation and improves the condensation of oil vapors. It enhances thermal efficiency and fuel utilization, offering a sustainable solution for tire-derived oil production.

This pyrolysis device adjusts to material changes via multi-tube mixing and heat exchange. It increases cracking efficiency and product consistency by enabling multidirectional material flow and dynamic thermal interaction.