介绍了制氢炉对流段炉管的化学清洗方法。
The chemical cleaning method of convection section tube for hydrogen manufacturing furnace was recommended.
针对辽阳石化分公司烯烃厂f 108裂解炉对流段炉管爆裂破坏进行了分析。
The burst part in convection section of a tube of F108 cracking furnace in alkene factory, Liaoyang Petrochmical Company, was analyzed.
因此一段炉辐射段不作改造，仅对流段作相应改造以满足主要介质的预热要求。
Therefore, it's not necessary to rebuild the radiation section of the first reformer, there is only need to transform the convertion to meet the pre-heating requirement of main materiel.
工艺应用实践表明，钎焊翅片管应用于炼油厂高压加氢加热炉对流段是安全可靠的。
Application of soldered finned tube to convection section of high hydrogenation heater in refinery is proved to be safe and reliable through industrial practice.
对流段的一个热门表面出现的，因为热空气的扩大，成为密度较低，而上升(见理想气体定律)。
Convection above a hot surface occurs because hot air expands, becomes less dense, and rises (see ideal gas law).
可以很好地用来判断现有裂解炉对流段对改变原料和操作条件的适应性和设计各种规模和适应各种原料的裂解炉。
It can be used to check the flexibility of the convection section when the feed and operation condition changes, and it can be used to design the cracking furnace of different scale and feedstocks.
同时，最初设计时F108炉对流段无超高压蒸汽过热段（HPSSH），其产生的饱和蒸汽送到蒸汽过热炉进行过热。
Meanwhile, F108 was initially designed without HPSSH in convection section, and the saturated vapor generated was sent to vapor superheating furnace for superheating.
一颗恒星其生命的绝大部分处于主序星阶段，在这一阶段它包含一个核心、辐射区和对流区、光球层、色球层和日冕。
A star during most of its life is a main-sequence star, which consists of a core, radiative and convective zones, a photosphere, a chromosphere and a corona.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
The friction and convective heat transfer of single phase water flow in a vertical heated tube at natural circulation condition were experimentally investigated.
文章论述了两段混合设备具有的对流混合、剪切混合、扩散混合等多重混合机理，对于进一步改进连续混药技术有一定参考价值。
In this paper, the author desserts the two section instrument has many principles such as: convective mix, shear mix, spread mix etc, gives some way of improvement of Continuous mixing system.
本文报道了水向上流经垂直多孔介质同心套管混合对流的传热实验装置和进口段对流换热的实验结果。
An experimental installation was designed and set up for investigating the mixed convection heat transfer when water flows upward through a vertical annuli filled with porous medium.
这一阶段的重点是对流通秩序和总收入。
The focus in this phase was on order flow and gross revenue.
实验结果表明，自然循环工况下上升加热段内工质的物性变化及由浮升力引起的自由流动对对流传热特性有重要影响。
The experimental results indicate that free convection caused by the buoyancy in the heated tube with natural circulation has great influence on the heat transfer characteristics.
在诸强迫项中，稳定性凝结加热对这一时段梅雨锋暴雨的贡献最大，而对流凝结加热的作用很小。
The stable condensation heating is the most important factor to the maintenance of the storm rainfall during this period.
第三阶段的云并合却是从云的中上部开始的，往往是那些比较成熟的对流云团发生并合。
The third stage of merger begins from the middle and upper parts, often between the mature cloud clusters.
通过实验研究了内置均匀加热板的垂直矩形通道入口段混合对流换热的温度场和阻力特性。
This paper investigated the behaviors of flow and heat transfer of single-phase in rectangular microchannels with three-dimensional numerical analysis.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
The investigation on heat transfer of single phase liquid flow in a tube with natural circulation is performed.
以常压去离子水为工质，对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
The investigation on heat transfer of single phase liquid flow in a tube with natural circulation is performed.
应用推荐