加热炉

Forge company: It has 4 t/3 t electric hammer, 1000 t, 300 t, 100 t/80 t drop press; 450 kg, 250 kg air hammer; heating furnace and other equipments.

该公司拥有1000 t 、300 t 、100 t 、80 t 模锻压力机，4 t 、3 t 电液锤，1 t 、450kg 、250kg 空气锤，大小煤加热炉和煤气加热炉10多台。

The influence of excess air coefficient upon the thermal efficiency of heater has been discussed based on actual measurement and theoretical analysis on the relation between the excess air coefficient and flue gas loss, incomplete combustion loss and thermal efficiency of heater,the optimal excess air coefficient is given.

通过实际测试和理论分析过剩空气系数与排烟热损失、气体不完全燃烧热损失及加热炉热效率的关系，讨论了过剩空气系数对原油加热炉热效率的影响，给出了过剩空气系数的最佳范围。

Through the production practice, reasons to deflagration of the furnace hearth of the heating furnace were analyzed, and the different circumstances of the explosion to prevent the measures and methods were put forward.

结合生产实践，对加热炉炉膛爆燃的原因进行了分析，并针对不同情况提出了防止爆燃的措施和方法，确保加热炉安全运行。

The effect of switching modes on the entrancement,combustion and billet heating process in furnace were analyzed numerically,and the computational results were compared with production records and onsite measurement,which verified the practicability of this CFD system.

结果表明：采用分段同侧换向控制的HTAC加热炉能获得很好的流场和温度场分布，基本满足高质量的钢坯加热需要，但该炉在生产条件下的温度制度存在不合理之处，在今后设计和操作中应进一步优化和改进；全同侧换向控制的火焰布置方式不利于钢坯的均匀、快速加热；而采用交叉换向控制的火焰布置方式可以改善加热炉内的流场和温度分布，更有利于满足钢坯的加热工艺要求。

The heating furnace has a high combustion intension, the volume of firebox is only dozens percents as much as general heating furnace, the thermal efficiency is as high as 90% and save energy as much as 30%, it has a wonderful application prospect.

该加热炉燃烧强度高，燃烧室体积只相当于普通加热炉的几十分之一，热效率已达到90%以上，节省能源在30%左右。有很好的应用前景。

Integrating many years' experience in using regenerative heating furnace s in our plant,we'd like to exchange it with persons of the same trade,in order to further consummate the application techniqu.

结合型钢厂多年使用蓄热式加热炉的经验，与同行们进行交流，进一步完善蓄热式炉的使用技术，提高蓄热式加热炉的加热能力，降低煤气消耗，促进蓄热式炉推广应用。

Edge communications companies seamless steel pipe production line length of 400 meters, 100 meters wide by more than 300 sets of ancillary equipment, of which there is tube grinding, sawing equipment, tube furnace, piercing machine, rolling machine, stepper heating furnace, micro-stretch reducing mill, cooling bed, straightening machine, pipe cutting machine, testing machines, finishing equipment.

力通联公司无缝钢管生产线全长400米，宽100米，由300多套附属设备组成，其中有管坯修磨、锯切设备、管坯加热炉、穿孔机、轧管机、步进式加热炉、微张力减径机、冷床、矫直机、切管机、探伤机、精整设备等。

Generally, the steel rolling furnace's service life is 3-10 years, the wrought steel chamber furnace is about 2 years, and the soaking pit side nozzle furnace's is 3-6 years.

轧钢加热炉的使用寿命一般为 3 ～ 10 年，锻钢室式加热炉的寿命约为 2 年，单侧上烧嘴均热炉的使用寿命一般为 3 ～ 6 年。

An accurate mathematical model was constructed through the method of system identification, and then the fuzzy PD control strategy was used. First, suitable controller rules and parameters were gained by computer simulation methods. Then this controller was used to control the temperature of the electric heating stove to reach a perfect level.

通过系统辨识方法得到电加热炉的准确数学模型，使用模糊PD控制策略，先通过计算机仿真方式得到合适的控制器规则和参数，再将此控制器应用到对电加热炉的实际控制当中，对电加热炉的炉温进行控制，达到了较为理想的控制效果。

Main work is as follows:(1) According to the product practice of the reheating furnace and complexity of modern industry, the application and research situation of optimal control of the reheating furnace are elaborated. The problems in the reheating furnaces optimal control are also pointed out.

本文主要做了以下工作：(1)从钢坯加热炉生产实际和现代工业复杂化的实际出发，阐述了加热炉优化控制的应用现状与研究现状，并指出了目前加热炉优化控制中存在的问题。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。