Northeast Jilin Engineering & Testing Company Jilin Yaxin Testing Branch Company completed the overall heat treatment construction task of the second crystallizer of PTA Phase II project of Xianglu Petrochemical (Zhangzhou) Co., Ltd. in Sinopec Ningbo Tianyi Petrochemical Heavy Equipment Manufacturing Co., Ltd., creating a large domestic pressure The heat treatment of the container as a whole has the shortest construction time, the thickest wall thickness, the highest quality, and the highest quality of construction. It has been verified by authoritative experts that the overall heat treatment quality is excellent.
The overall heat treatment task of the pressure vessel undertaken by Jilin Yaxin Testing Branch is the biggest difficulty in the construction of the project. The crystallizer has a diameter of 10 meters, a height of 24.26 meters, a wall thickness of 150 mm and a net weight of 890 tons. It is currently the largest pressure vessel in China. Due to the product's wall thickness and weight, the equipment is particularly high and cannot be heat-treated in the furnace, and only the internal heat treatment of horizontal whole heat treatment can be performed.
Jilin Yaxin Inspection Branch has carefully designed and fully demonstrated key technologies such as combustion technology and diversion technology, formed a complete technical method, and passed a technical demonstration by a multi-faceted expert group of domestic experts, Japanese experts, and owners. .
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