Ethylene glycol, diethylene glycol, ethylene trichloride, ethane, propylene, ethyl alcohol.

 

 

High flux heat exchanger can be used in phase change equipment, such as, carburetor, evaporator, condenser and reboiler, etc. To be specific, such as ethylene carburetor, the overhead condenser and reboiler of ethylene separation device , combination plant of ethylene glycol evaporation and aromatic, main condenser-evaporator of air separation unit. As well as the natural gas liquefaction, cryogenic refrigeration, air separation, and sea water desalination, etc.

 

1）Oil refining and petrochemical installations

 

Such as overhead condenser and reboiler of ethylene separation device, ethylene carburetor, catalytic slurry oil evaporator, ethanol evaporator and ethylene glycol evaporator, etc. It can reduce more than 80% heat transfer area, and can also lower refrigerator horsepower. In the long-term operation process, porous surface with enhanced boiling heat transfer is very stable, and no coking or scaling phenomenon has occurred. At the same time it can greatly reduce heat medium consumption, so far as to lower the heat medium temperature.

 

2）Natural gas purification and separation devices

 

For example, in the reboiler condensers of cryogenic air separation plant. On the one hand, it can reduce initial cost of evaporation - condensing (cooling) heat exchanger (cut down heat transfer surface); On the other hand, because of the small work temperature difference, it can reduce the power consumption.

 

3) Sea water desalination and waste heat utilization

 

 

To build a set of megaton ethylene equipment, the total investment is above 20 billion RMB commonly, according to history data, heat exchangers cost accounting for about 30% of the total investment , the cost of heat exchangers in each large ethylene project will reach neally 7 billion RMB. But since Chinas energy use efficiency is only 34%, equivalent to that of developed countries 20 years ago, ten percent lower than them now. Developing a higher efficient heat exchanger in smaller temperature difference and less heat transfer surface can be the first step  directly related to industrial energy saving development. Using High flux tube and high-efficiency heat exchangers are the most efficient, and also the most economical means to improve the use efficiency of energy.

 

At present the demand of High flux tube in China is increasing rapidly, in the ethylene industry and other fields, High flux tube and high-efficiency heat exchangers have broad application prospects, thus it has huge potential market demand. There are a lot of high efficient heat transfer tubes in the United States, Japan and Germany, but the technology is still a secret to China, so domestic ethylene industry was forced to use imported High flux tubes.

 

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