Welded Plate Heat Exchanger belongs to Recuperative Heat Exchanger, and is fully welded between every two plates to form channels through which the fluids with different temperature can flow and exchange heat. The high temperature fluid transfers heat to the low temperature fluid through the plates, thereby realize heat exchanging. The flow velocity of each fluid can be controlled by plates distance, so as to meet the working condition perfectly. In addition, there is also the semi-welded type plate heat exchange.
Welded Plate Heat Exchanger is mainly for vapor condensing and liquid to liquid heat exchanging, to meet with various requirements from industries like power sector, petrochemical, petroleum coking, pharmacy, metallurgy, refrigeration, paper processing etc. Optimal arrangement of various channels also make sure of high heat transfer efficiency and minimal pressure loss. Besides, its frame is detachable, and therefore it is convenient to have either mechanical cleaning or chemical cleaning as per actual situations.
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Automobile parts can be divided into metal parts, plastic parts, and electronic parts according to different raw materials.
Common plastic parts plastic raw materials include: PP, PE, PVC, ABS alloy, PC, PA, EVA or polyurethane. The proportion of plastic parts used in different vehicle exteriors accounts for a percentage of the total amount of plastic used in the vehicle. According to incomplete research, economic models account for 25%-28%; mid-range models account for 20%-22%; and high-end models account for 15%- 18%.
The primary feature of the development of the automotive industry today is light weight and environmental protection, and the use of plastic parts and components just can achieve the above goals. Among them, experimental data shows that using plastic parts can reduce body weight by at least 10%, corresponding fuel consumption can be reduced by 6-8%, and carbon dioxide emissions can be reduced by 13%. Therefore, plastic strip can be reduced and energy-saving achieved.
Demand for domestic automotive plastic parts increased significantly