Forecasting the oil temperatures along the proposed China–Russia Crude Oil Pipeline using quasi 3-D transient heat conduction model

2010 ◽  
Vol 64 (3) ◽  
pp. 235-242 ◽  
Author(s):  
Guoyu Li ◽  
Yu Sheng ◽  
Huijun Jin ◽  
Wei Ma ◽  
Jilin Qi ◽  
...  
Keyword(s):  
Heat Conduction ◽  
Crude Oil ◽  
Transient Heat Conduction ◽  
Conduction Model ◽  
Oil Pipeline ◽  
Heat Conduction Model

scholarly journals APPLICATION OF A TRANSIENT HEAT CONDUCTION MODEL FOR DESIGN OF UREA PRILLING TOWER

2018 ◽  
Vol 56 (2A) ◽  
pp. 43-50
Author(s):  
Vu Dinh Tien
Keyword(s):  
Heat Conduction ◽  
Animal Feed ◽  
Transient Heat Conduction ◽  
Total Production ◽  
Conduction Model ◽  
Manufacturing Plants ◽  
Heat Conduction Model ◽  
Fundamental Knowledge ◽  
Engineering Company ◽  
Engineering Parameters

Urea has highest nitrogen content up to 46.65 % in comparison with other fertilizers. Therefore, it is used widely in agriculture, forestry and additives for animal feed. Recently, Vietnam has 04 urea manufacturing plants in Bac Giang, Ninh Binh, Phu My and Ca Mau with total production estimated in 2014 to be 2,660 million Ton/year. Except for Ca Mau plant using granulator to produce urea granular, other plants are using prilling tower to produce prill urea. In a prilling tower, molten urea is sprayed form the top distributor. The droplets fall along the tower to exchange heat with countercurrent air flow for cooling and solidification. Until now, there is not any Vietnam engineering company having ability to design a prilling tower due to lack fundamental knowledge. In this paper, a transient heat conduction model was applied to determine the engineering parameters like cooling time and prilling tower high.

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