管式加热炉 meaning in English
cell type heater
fired coil
pipe furnace
pipe heater
pipe-still heater
tube heater
tube heating furnace
tube-type heating furnace
tubular heater
tubular oven
Examples
- After thermodynamic calculation on several operation conditions of the furnace , cold - state flow and resistance mensuration , the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1 . 25 surplus air to less than 1 . 15 , improving the combustion condition and convection and radiate heat transfer efficacy , resuling in reducing the waste - gas temperature 45 , decreasing exhaust gas loss , and saving fuel by 6 %
摘要通过对加热炉几种工况进行热力计算、冷态试验的流场分布及阻力测定和热态试验的炉膛温度场分布及管壁温度等参数的测定，确定将管式加热炉炉膛内直流燃烧改为旋流场燃烧和增加辐射筒，增设烟气含氧量分析，可以将燃烧的过剩空气系数从1 . 35减小到1 . 15以下，极好地改善炉膛内的燃烧状况和对流辐射传热效果，从而降低排烟温度45 ，减少加热炉排烟损失，节约了煤气量6 %以上。 - Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency , therefore measures for technical reform are offered , including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
文摘:针对早期建造的炼油厂和化工厂在役管式加热炉热负荷和热效率低的状况，提出了若干技术改造措施包括，增大对流管表面积以增大对流段的热负荷；增加辐射管的换热面积；修正烟囱高度；换用新型燃烧器，变自然通风为强制供风，以增大燃烧器的发热量，减小过剩空气系数，节省燃料2 % 3 % ；在对流段和烟囱之间增设空气预热器以提高空气入炉温度；采用高温辐射涂料增强辐射换热效果，从而增加热源对炉壁的辐射传热量和炉管的传热量等。 - The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency , therefore measures for technical reform are offered , including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging
针对早期建造的炼油厂和化工厂在役管式加热炉热负荷和热效率低的状况，提出了若干技术改造措施包括，增大对流管表面积以增大对流段的热负荷；增加辐射管的换热面积；修正烟囱高度；换用新型燃烧器，变自然通风为强制供风，以增大燃烧器的发热量，减小过剩空气系数，节省燃料2 % 3 % ；在对流段和烟囱之间增设空气预热器以提高空气入炉温度；采用高温辐射涂料增强辐射换热效果，从而增加热源对炉壁的辐射传热量和炉管的传热量等。