1) hot steel billet
热钢坯
1.
Described are the usage, technical features and the main structure, parameters and operation of the special flat car for transport of hot steel billets of one hundred tons on the curve with small radius.
介绍了小曲线热钢坯运输专用平车的用途、技术特点及车辆的主要结构、参数和运用情况。
2) billet heating
钢坯加热
1.
The entrancement,combustion and billet heating process in a 80 t/h regenerative reheating furnace of Xinyu Iron and Steel Company were analyzed numerically,and the computational results were compared with production records and onsite measurements,which verified the practicability of this CFD system.
结果表明,蓄热式加热炉能获得较好的流场和温度场分布,钢坯出炉前温度达到1460 K以上,钢坯内各节点的温差不超过10 K,基本满足高效、低耗的钢坯加热工作需要。
3) hot-rolled steel billet
热轧钢坯
4) billet heating furnace
钢坯加热炉
1.
From the view of economizing energy resources and improving the quality of products,this paper discussed the key factors affecting the temperature of billet heating furnace,analyzes the key technology of microcomputer control of furnace s temperature,and put forward an implementation method of microcomputer control of billet heating furnace based on MCU.
从节能和提高产品质量的角度,论述了影响钢坯加热炉温度的关键因素,分析了炉温微机控制的关键技术,提出了一种基于单片机的炉温微机控制实现方法。
5) transport hot square billets
热送方钢坯
6) steel billet surface heat flux
钢坯表面热流
补充资料:钢坯热处理
钢坯热处理
billet heat-treatment
gongPi reel一uli钢坯热处理(billet heat一treatment)在钢坯生产中,对要求以退火、回火和高温回火状态交货的钢坯进行的退火或回火处理。不同钢种和断面尺寸的钢坏有不同的热处理工艺。(见图) !66D_7二 脚一/l}、、 侧}/”‘n们r、毛刃℃八 。…{)一\空冷 l)3一4h 1 18一30hi, 时间/h la }680℃ 、!/{{\_,一, 哎{//!{,~匆汽簇30℃/h 侧一’:u因与、 蛆’:、 {{:空冷 })4h}24h{. 时间/h !‘ {660℃ ,、{/11\撼30℃/h 护{/{}\义Ju七产11 侧{}}‘m,、 一:l五三f中, {)4h{3oh}, 时间/h 乙 钢坯的热处理工艺曲线 图a的热处理工艺曲线中,钢坯的入炉温度为250一600℃,该曲线的适用钢号有:40一soC:,35一SOMn,20一50CrNi,38一40Crsi,40一50CrV,15一40CrMnMo,24一45SIMnMoV,CrZ,12CrMnsiMoV,gCrZ,SV,CrZMn,6SIMnW,4CrVMoW及成分相近的其他钢号等。 图b的热处理工艺曲线中,钢坯的入炉温度为250一sooC,该曲线的适用钢号有:D55一D6o,60CrZMo,20CrZMnZMo,16一45SIMnMoWV,30Mn-TIB,gMn,gMnZVB,13Cr12NIWMoV及成分相近的其他钢号等。 图:的热处理工艺曲线中,钢坯入炉温度为250~500℃,该曲线的适用钢号有:12CrNiZ,12一37CrNiZ,32SIMnZWV,15SIMn3MoWV.60SIMMoV,37SIMnZMowV等。下列钢号的入炉温度可降到150~3OOC:40~45CrNIMo,30CrNi4Mo,18~25CrZNi4W等。钢坯断面不同,其加热、升温、保温和降温时间有所不同,断面大,时间长。 (王和)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条