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SUNFUN Group specializes in intelligent and sustainable industrial development. Driving quality advancement in manufacturing across China and the globe through technological innovation, we are committed to creating green value for a better human life.
We have deep expertise in smart energy and smart manufacturing, consistently achieving breakthroughs in precision production. Our capabilities range from 0.001-mm precision machining to the manufacture of components weighing from 0.1 grams to 150 tons. We maintain energy consumption within 0.1% and implement fully intelligent process management—all supported by four decades of specialized experience!
Innovation is the foundation of the growth of our group. We have built an open and collaborative innovation ecosystem, partnering with governments, enterprises, universities, and institutions to enable cooperative innovation and shared value, injecting sustained momentum into the industry.<br/>
As an accredited technology enterprise with its own institute and talent academy, SUNFUN has completed more than ten national-level R&D tasks and undertaken major projects commissioned by agencies such as the NDRC, MOST, and MIIT.
Total weight of the cylinder: 16072Kg Length: 4210mm*Width: 4340mm*Height: 3130mm
Product Overview
The 2A32 Rear Cylinder is a critical structural component of a steam turbine, engineered for high-performance energy conversion. Its architecture is primarily integrated through the following components:
● Exhaust Volute
● Horizontal Center Face Flange
● Exhaust Port Flange
● Bearing Seat
The cylinder body is constructed using high-quality carbon steel, utilizing advanced welding techniques including arc welding, tungsten inert gas (TIG) shielded welding, and metal arc welding in accordance with SQZ43.112 standards.
Technical Manufacturing & Quality Control
● The production of the 2A32 Rear Cylinder follows a rigorous technical process to ensure structural integrity and dimensional precision:
● Welding Standards: Weld inspection defect levels adhere strictly to ISO 5817-B and 5817-C.
● Non-Destructive Testing (NDT): * 100% Ultrasonic Testing (UT) conducted per SQB49.49 for welded joints.
● 100% Surface Defect Inspection to ensure external structural reliability.
● Heat Treatment: Post-weld heat treatment (PWHT) is executed according to SQZ43.143 (Technical Specifications for Purchasing of Welded Inner Cylinders and Exhaust Cylinders of Low-Pressure Parts).
● Machining Process: Rough and fine processing are managed via a distributed workflow including CNC boring and milling, large-scale drilling, vertical lathes, and benchwork.
● Finalization: Post-processing includes comprehensive cleaning and rust-proofing prior to final assembly.
Key Advantages & Strategic Importance
● As a core component of thermal power units, the 2A32 Rear Cylinder offers significant advantages within the current energy landscape:
● Proven Reliability: Benefits from mature technology and a relatively short construction period.
● Economic Efficiency: Compatible with systems utilizing abundant and cost-effective combustibles.
● Grid Stability Support: Essential for providing peak frequency capacity. As the proportion of volatile wind and solar energy increases, these flexible thermal power units are indispensable for maintaining power system stability.
● Versatility: Capable of meeting the sustained electricity demand brought by economic growth.
Product Applications
● The 2A32 Rear Cylinder is designed for versatile use across multiple industrial sectors:
● Thermal Power Generation: Serving as the core equipment for thermal power plants, the primary method of domestic power generation.
● Industrial Drive Systems: Depending on model size, it is utilized to drive large-scale industrial machinery, including:
● Large Fans
● Water Pumps
● Compressors
● Marine Propulsion: Applied on ships to drive propellers and provide primary propulsion power.
