The brazed Plate Heat Exchanger (BPHE) is a type of heat exchanger construction in which metal plates with flat surface offer an effective and efficient method of heat transfer. These plates are joined together by brazing (mainly copper), typically stainless steel. Due to the close contact between the two surfaces, there is a very high heat transfer coefficient, leading to a low overall unit size. They therefore provide much greater efficiency than a Shell And Tube Heat Exchanger.
Brazed Plate Heat Exchangers are widely used in air-conditioning and refrigeration, power generation, and other process applications. For example, within a cooling cycle, a BPHE can be used to transfer heat from one fluid to another. Typical fluids in such coils and systems are either glycol or water. In a power system, a BPHE can be used to cool oils, recirculating lubricants, fuels, and other fluids.
The major advantages of BPHE are their compact size, efficient heat transfer and minimal pressure loss. BPHEs also have low maintenance requirements and a long service lifetime. Furthermore, because of their flat surface design, BPHEs have no patterns or turns and thus lower energy costs and minimize fouling. Finally, the material used in BPHEs makes them resist to corrosion and heat, making them ideal for high temperature and hostile environments.
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Jiangsu takes the lead in implementing the monitoring and control of hazardous chemicals transportation network
A few days ago, the Jiangsu Safe Production Emergency Rescue Command Center completed and launched its mobile hazard source monitoring platform, along with the 13 provincial municipal monitoring stations. This initiative marks a significant step forward for the province in implementing a provincial intranet system for real-time monitoring and management of hazardous chemical transportation.
Jiangsu is home to nearly 4,000 hazardous chemical manufacturing companies, over 20,000 hazardous chemical business units, and more than 12,000 vehicles dedicated to the storage and transport of dangerous materials. On any given day, more than 20,000 hazardous chemical vehicles—both those operating within the province and passing through—are on the road. The risk associated with these vehicles is immense; even a single traffic accident involving hazardous chemicals can lead to catastrophic consequences.
To address this challenge, Jiangsu has taken the lead in establishing a mobile hazard monitoring and control network that provides 24/7 real-time tracking of mobile hazards across roads and waterways. The system aims to regulate drivers’ behavior, ensure safe and continuous transportation routes, and collect operational hazard data in real time. This will help reduce the likelihood of accidents and improve overall safety in the transportation of dangerous goods.
It is also reported that the mobile hazard monitoring platform will gradually expand to cover all 60 counties and districts in the province. In addition, local GPS platforms from different departments will be integrated into the system, unifying existing monitoring services under one comprehensive network. This will enable centralized information sharing, timely data compatibility, and improved supervision for the entire hazardous chemical transportation monitoring and control service platform.
According to another report, once the system is fully operational, vehicles from other provinces entering Jiangsu will be required to install portable vehicle terminals. The monitoring system will track these vehicles within the province for 24 hours, transforming the previous disorganized and static management approach into a well-structured and orderly operation. This move is expected to significantly enhance safety and efficiency in the handling of hazardous materials across the region.