Guangdong Jielang Thermal Energy's tubular air preheater is renowned for its efficient heat exchange. This preheater is composed of numerous parallel and staggered steel tubes, with both ends of the tubes welded to the tube sheets, forming a cubic tube box structure with a large heat-receiving area. Its simple design, mature processing technology, and excellent sealing performance are highly regarded in the industry. Featuring low wear, it is widely used in waste heat recovery projects, especially prevalent in the petroleum, chemical, and metallurgical industries....