爐子壽命長(zhǎng)。由于高溫作用、機(jī)械磨損和腐蝕等因素的綜合作用，爐子不可避免會(huì)有損壞，必須定期對(duì)爐子進(jìn)行檢修，應(yīng)盡可能延長(zhǎng)爐之的使用壽命，降低費(fèi)用。

勞動(dòng)條件好。要求爐子的機(jī)械化及自動(dòng)化程度高，操作條件好，安全衛(wèi)生，對(duì)環(huán)境無污染。

The furnace has a long life. Due to the combined action of high temperature, mechanical wear and corrosion, the furnace will inevitably be damaged. It is necessary to overhaul the furnace regularly, so as to prolong the service life of the furnace and reduce the cost of repair.  

The working conditi are good. It is required that the mechanization and automation of the furnace are high, the operating conditi are good, and the environment is safe and sanitary, and the environment is not polluted.

在使燃料能完全燃燒的情況下希望空氣過剩系數(shù)越低越好。但過低可能造成燃燒不完全，而過高將增加了爐內(nèi)空氣量，降低爐子的熱效率，對(duì)于強(qiáng)制通風(fēng)或引風(fēng)，還將增加動(dòng)力消耗，煙氣中的氧含量過多也將增加對(duì)爐管和其他部件的損失。

It is hoped that the higher the air surplus coefficient, the better the fuel can be completely burned. But too low may cause incomplete combustion, and too high will increase the volume of air in the furnace and reduce the thermal efficiency of the furnace. For forced ventilation or induced draught, it will also increase power cumption and excessive oxygen content in the flue gas will also increase the loss of furnace tubes and other components.

蓄熱式加熱爐的傳導(dǎo)傳熱：傳導(dǎo)傳熱是溫度不同的物體直接接觸（或物體存在溫差）由于自由電子的運(yùn)動(dòng)（對(duì)于鋼材）或分子的運(yùn)動(dòng)（對(duì)于爐氣）而發(fā)生的熱交換現(xiàn)象，此種傳熱發(fā)生在鋼材表面及內(nèi)部和鋼材及爐底之間。

Conduction of conduction in a regenerative heating furnace: conduction heat transfer is the direct contact of a different temperature (or the existence of a temperature difference between a body) due to the movement of free electr (for steel) or the movement of molecules (for furnace gas), which occurs between the surface and inside of the steel and between the steel and the bottom of the furnace.