Results 1 to 10 of about 53 (52)
Development and Practice of Low Alloy High Strength 30CrMnTi Steel Wire Rod
Teshugang, 2021 采用120 t BOF-LF-180 mm×180 mm连铸坯-线材轧制工艺,成功开发30CrMnTi钢盘条（/%:0.26～0.27C、0.84～0.86Mn、1.07～1.08Cr、0.055～0.066Ti）。通过采用LF精炼前期喂铝线,后期喂钙线,精炼渣碱度5～6,中间包钢水过热度20～40℃,控冷控轧精轧后温度890℃等工艺措施,结果表明,Φ6.5 mm盘条[O]（15～19）×10-6,[N]（45～58）×10-6,D细0.5～1.0级,其余0～0.5级,平均抗拉强度706 MPa ...
赵满堂 +4 more
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Teshugang, 2021 采用宏观观察、化学分析、微观分析等方法对20钢管内折缺陷产生的原因进行了分析和研究。结果表明,内折缺陷周围存在大量大级别的夹杂物,在穿管过程中夹杂物逐渐靠近内壁而形成内折缺陷。在生产中,通过采用精炼渣面用SiC替代铝粒脱氧、精炼软吹时间保持在≥15 min和连铸拉速由原2.1 m/min降至1.9 m/min等措施,管坯钢中大型B类夹杂物级别由3降至0,避免了穿孔过程中内折缺陷的产生。
季德静, 齐晓峰
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美拉德生香源反应制备浓香芝麻油工艺优化Optimization of preparation of fragrant sesame oil by Maillard reaction
Zhongguo youzhi, 2022 以精炼芝麻油为原料，采用芝麻饼、芝麻粕和芝麻渣3种底物在不同酶解液状态下基于美拉德生香源反应制备浓香芝麻油，通过感官评价确定最佳反应底物和酶解液状态，再通过单因素实验和正交实验优化浓香芝麻油的制备工艺。结果表明，美拉德生香源反应制备浓香芝麻油的最优工艺条件为：酶解pH 8.0，酶解时间3.0 h，以芝麻粕酶解上清液与酶解沉淀质量比1∶ 1为原料，还原糖添加量2.5%，不添加甘油。在最优条件下制备的浓香芝麻油符合一级成品芝麻油国家标准，与市售芝麻油相比，芝麻风味更浓郁，香味持久性更强，感官综合评分达5 ...
刘春晓1，王斌1，高盼1,2，胡传荣1,2，何东平1,2 LIU Chunxiao1, WANG Bin1, GAO Pan1,2, HU Chuanrong1,2, HE Dongping1,2
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Application of Environmental Protection Fluorine-Free Slagging Agent in Steelmaking at Pangang Group
Teshugang, 2021 The reaction mechanism of refining slagging of aluminum deoxidized steel at Pangang Group Xichang Steel and Vanadium Co Ltd has been studied. According the theoretical analysis, the refining slag must be high alkalinity, high CaO activity, high melting ...
喻林 +5 more
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Teshugang, 2021 采用化学成分分析、金相检验、硬度分析、断口形貌分析和氧氮含量检测等方法,分析了SWRCH15A钢螺栓断头的原因。结果表明,合格螺栓T[O]和[N]分别为0.002 0%%～0.002 1%和0.006 2%～0.006 4%,而断头螺栓T[O]达0.006 3%～0.0064%,[N]为0.010 3%～0.0108%,导致材料在冷变形过程中塑性降低,螺栓头部HRB硬度值超过100,易在应力集中的头部和杆部过渡区断裂,是螺栓断头的主要原因。通过控制精炼渣(FeO+MnO)≤1.0 ...
李永超 +4 more
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Zhongguo youzhi旨在为橄榄油的掺假鉴定提供数据与理论依据，首先根据GB/T 23347—2021《橄榄油、油橄榄果渣油》规定的44个质量指标对10个过期特级初榨橄榄油（EVOO）样品进行测定，然后对过期EVOO进行软精炼处理(包括软脱酸和软脱臭)，考察软精炼工艺对过期EVOO质量指标的影响。结果表明：所有过期EVOO样品的蜡含量、紫外吸光度(E268，异辛烷）和部分样品的实际与理论等效碳数42（ECN42）甘三酯含量差值的绝对值（ΔECN42）、酸值、脂肪酸乙酯含量超出国标限值；软精炼工艺可以使过期EVOO的酸值降低 ...
朱静怡1， 宗晶萌2， 裴栋3， 范春婷1， 杨阳2， 陆慧媛1， 沈伟健1ZHU Jingyi1, ZONG Jingmeng2, PEI Dong3, FAN Chunting1, YANG Yang2, LU Huiyuan1, SHEN Weijian1
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Gongye shui chuli, 2016 采用TMT-20重金属捕集剂沉淀+氧化沉淀+精滤工艺对冶炼废水进行深度处理与回用,工程改造及调试运行结果表明,处理出水可满足《铅锌工业污染物排放标准》(GB 25466-2010)水污染物特别排放限值的要求。处理后废水全部回用于冲渣工段及湿式除尘系统,每年可回用水21.6万m3,节约新鲜水费108万元。该项目年减排CODCr12.96 t,总锌319.68 kg,总铅15.12 kg,总镉14.04 kg,总砷41.04 kg,总汞1.94 kg。该综合治理工程具有明显的环境效益、经济效益和社会效益。
崔燕平, 曾科
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Teshugang, 2021 The Q195 steel is produced by M120 t BOF→LF→Ca addition→160 mm x 160 mm CC” process. It was found by tracing test that the number of ≥27μm large size inclusions at test area 50 x 400 mm2in the billet is 31 and generated by LF top slag entrapped during ...
蒋鲤平, 徐建飞, 于飞
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Teshugang, 2012 Aim to optimum-desulfurize the pipeline steel 37Mn (/%: 0. 37C, 0. 21 Si, 1. 44Mn, 0. 010P, 0.003 4 S) in 90t RH refining process at steelworks, in laboratory the desulfurization test on the pipeline steel with 17 schemes including original works slag ...
姜桂连 +5 more
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Control of Silicon Content in Low Silicon Steel ST30A1 for Seamless Tube in LF Refining Process
Teshugang, 2018 The effect of factors including increasing phosphorus content in liquid, aluminium content in liquid, refining slag binary basicity, and Al2O3content in refining slag on increasing silicon content in liquid of low silicon steel ST30A1 (/%: 0.06~0.10C, ≤0.
印传磊 +5 more
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