Tag Archives: smelting

Mixed pellet for iron smelting

Application Number  00129527 Application Date  2000.09.30 Publication Number  1288960 Publication Date  2001.03.28 Priority Information     International Classification  C21B5/00;C22B1/244   Applicant(s) Name  Lu Yong   Address     Inventor(s) Name  Lu Yong   Patent Agency Code  13112 Patent Agent  bai haijing AbstractThe present invention discloses a mixed type briquette congtaining the following components of (by… Read More »

Successive electroslay smelting casting process of crank shaft blank

Application Number  00129506 Application Date  2000.09.29 Publication Number  1288793 Publication Date  2001.03.28 Priority Information     International Classification  B22D23/10   Applicant(s) Name  Xu Denghong   Address     Inventor(s) Name  Xu Denghong   Patent Agency Code  12100 Patent Agent  yan dunfen AbstractThe present invention provides a sucessive electric slag fusion casting process for making crank… Read More »

Start method for directly smelting technology

Application Number: 00120449Application Date: 2000.07.10Publication Number: 1280199Publication Date: 2001.01.17Priority Information: 1999/7/9 AU PQ1522International: C21B11/00;C21B13/00Applicant(s) Name: Technology Source Co., Ltd.Address: Inventor(s) Name: Sasil P.Betz;Peter D.BockPatent Agency Code: 11105Patent Agent: zhang bengyuanAbstract A procedure for starting up a direct smelting process for producing iron from a metalliferous feed material in a metallurgical vessel is disclosed. The vessel… Read More »

Multi-component Si-Ca-Ba deoxidizer and desulfurizer for steel smelting

Application Number: 00110542Application Date: 2000.06.14Publication Number: 1278559Publication Date: 2001.01.03Priority Information: International: C21C7/00;C21C7/06;C21C7/064Applicant(s) Name: Li ChundeAddress: Inventor(s) Name: Li Chunde;Li Yi;Li GangPatent Agency Code: 21117Patent Agent: zhang zhongdaAbstract The present invention discloses a kink of silicon-calcium-barium multi-component deoxidant and desulfurizer for smelting steel. It is characterized by that its production process includes the following steps: mixing… Read More »

Apparatus for supporting smelting furnace

Application Number: 00126393Application Date: 2000.09.13Publication Number: 1288144Publication Date: 2001.03.21Priority Information: 1999/9/13 FI 19991942International: F27D1/10;F27B3/04Applicant(s) Name: Outokumpu OYJAddress: Inventor(s) Name: Markus KankiPatent Agency Code: 11038Patent Agent: liu zhibengAbstract A support device for a furnace, particularly for the bottom furnace of a flash smelting furnace, includes a pillar element (1) and a fastening device (2) for the… Read More »

Technological process of smelting high-strength and high-toughness nodular cast iron with common high-phosphorus pig iron

Application Number: 00112948Application Date: 2000.05.16Publication Number: 1323912Publication Date: 2001.11.28Priority Information: International: C21C1/10;C22C33/08;C22C37/04Applicant(s) Name: Hu DezhiAddress: Inventor(s) Name: Hu DezhiPatent Agency Code: 00000Patent Agent: Abstract A process of utilizing normal high phosphoric contented pig iron to produce high quality of spheriodal iron with high strength and high stiffness drops the silicon iron powder on the liquid… Read More »

Prepn. process of material with graded resistance and high smelting point gradient

Application Number: 00121189Application Date: 2000.07.31Publication Number: 1336249Publication Date: 2002.02.20Priority Information: International: B01J3/06;B22F3/14Applicant(s) Name: Beijing Science &. Technology Univ.Address: Inventor(s) Name: Li Jiangtao;Ling Yunhang;Ge ChangchunPatent Agency Code: 11207Patent Agent: liu rueAbstract The present invention relates to preparation of material possessing successive changed resistance and high melting point differential gradient which can quickly manufacture ceramic/metal, metal/ceramic gradient… Read More »

Power-saving electric smelting furnace with six electrodes

Application Number: 00110550Application Date: 2000.06.16Publication Number: 1278592Publication Date: 2001.01.03Priority Information: International: F27D11/10Applicant(s) Name: Wang WeiminAddress: Inventor(s) Name: Wang Weimin;Wang XiyouPatent Agency Code: 21204Patent Agent: zhang qunAbstract The six-electrode electric smelting energy-saving furnace is characterized by that the arrangement of these electrodes are formed into four triangular smelting zones. As compared with three-electrode smolting funnace it… Read More »

Process for enriching germanium and silver in zinc smelting process of heat acid leaching-ferro-alum method

Application Number: 00126604Application Date: 2000.09.25Publication Number: 1345981Publication Date: 2002.04.24Priority Information: International: C22B3/08;C22B3/20Applicant(s) Name: Zhongnan Univ.Address: Inventor(s) Name: Liu Zhongqing;Tang Motang;He JingPatent Agency Code: 43200Patent Agent: gong canfanAbstract The method for concentrating germanium and silver from zinc calcined ore is characterized by adopting improved traditional thermal pickling-iron vitriol method and zinc-smelting process, changing iron precipitation reagent… Read More »

Reduction and sulfonium making smelting process with non-ferrous sulfide ore and sulfide containing material

Application Number: 00113284Application Date: 2000.02.22Publication Number: 1310241Publication Date: 2001.08.29Priority Information: International: C22B5/00;C22B13/02Applicant(s) Name: Zhongnan Polytechnic Univ.Address: Inventor(s) Name: Tang Motang;Tang Chaobo;Yao WeiyiPatent Agency Code: 43200Patent Agent: gong canfanAbstract Non-ferrous sulfide ore is first ground and mixed with sulfonium making agent, reductant and additive and the mixture is then sulfonium making smelted at 900-1300 deg.c. Without… Read More »

Dearsenicating method during smelting lead-antimony alloy

Application Number: 00121824Application Date: 2000.07.14Publication Number: 1295135Publication Date: 2001.05.16Priority Information: International: C22B9/10;C22C1/06;C22C11/08Applicant(s) Name: Huandong Metal Material Plant, LiuzhouAddress: Inventor(s) Name: Li Jianmin;Du Zhenxiong;Wei YijiangPatent Agency Code: 45102Patent Agent: huang weishiAbstract Impurity-containing lead-antimony is heated and molten in metal crucible and under stirring, sodium hydroxide or sodium carbonate as dearsenicating agent is added to the molten… Read More »

Supersonic flame smelting and painting method

Application Number: 00110774Application Date: 2000.08.10Publication Number: 1278461Publication Date: 2001.01.03Priority Information: International: B05B7/20;B05C5/04Applicant(s) Name: Shenyang Aviation Industry CollegeAddress: Inventor(s) Name: Shen ZhenhuaPatent Agency Code: 21207Patent Agent: zhen yuchuoAbstract The supersonic flame molten drop spray coating process is characterized by that firstly the blocky coating bulk has no need of being powdered or sliced, and is heated… Read More »

Method to prevent high-temp ablation and improving antiwear power for blast tuyere in smelting iron and crystallizer in smelting steel

Application Number: 00126678Application Date: 2000.11.15Publication Number: 1353214Publication Date: 2002.06.12Priority Information: International: C22C19/03;C23C30/00Applicant(s) Name: Yu ZhongAddress: Inventor(s) Name: Yu ZhongPatent Agency Code: 00000Patent Agent: Abstract A method for preventing high-temp. ablation and improving antiwear power for the blast tuyere in smelting iron and the crystallizer in smelting steel features that the Ni-Fe-Co-W alliy or Ni-Co-W alloy… Read More »

Process for smelting high-grade manganese blocks directly from electrolytic manganese as raw material

Application Number: 00113501Application Date: 2000.06.23Publication Number: 1331351Publication Date: 2002.01.16Priority Information: International: C22B47/00Applicant(s) Name: Special Metal Material Factory, Hunan ProvAddress: Inventor(s) Name: Tan Zhuzhong;Zeng Kexin;Shuai ZhiquanPatent Agency Code: 43008Patent Agent: zhao hongAbstract A process for smelting high-grade metal Mn blocks directly with electrolytic manganese features that the electrolytic magnanese with different qualities is smelted in different-type… Read More »

Technology for smelting iron in blast furnace by two-segment blowing of powdered coal

Application Number: 00123294Application Date: 2000.11.23Publication Number: 1300858Publication Date: 2001.06.27Priority Information: International: C21B5/00;C21B7/00;F27D3/18Applicant(s) Name: Shen FengmangAddress: Inventor(s) Name: Shen Fengmang;Li Yongxiang;Yuan GuangxuPatent Agency Code: 21109Patent Agent: an yuhongAbstract A two-segment coal powder blowing technology for smelting iron in blast furnace, based on existing technology, features that the second sigment of coal powder blowing holes is arranged… Read More »

Continuous two-step process for preparing magnesium sand by electric smelting

Application Number: 00110800Application Date: 2000.08.17Publication Number: 1280961Publication Date: 2001.01.24Priority Information: International: C04B2/00;C04B35/05Applicant(s) Name: Sun ShougangAddress: Inventor(s) Name: Sun ShougangPatent Agency Code: 21202Patent Agent: wang changminAbstract A continuous two-step process for preparing electrosmelted magnesia includes such steps as crushing the magnesite ore into 8-12 cm blocks, calcining at 900-1100 dge.c in vertical reflecting furnace, discharging the… Read More »

Process for directly producing super fine antimony trioxide by volatilizing smelting in blast furnace and its special equipment

Application Number: 00113633Application Date: 2000.08.18Publication Number: 1339612Publication Date: 2002.03.13Priority Information: International: C01G30/00;C22B30/02Applicant(s) Name: Xia YanboAddress: Inventor(s) Name: Xia YanboPatent Agency Code: 43005Patent Agent: xia zanxiAbstract During volatilizing smelted in blast furnace, antimony containing material is mixed with dearsenifying agent and deleading agent produces gaseous antimony trioxide particles in the reaction chamber; the gaseous antimony trioxide… Read More »

Tapping unit of metal smelting crucible

Application Number: 00123300Application Date: 2000.11.24Publication Number: 1355414Publication Date: 2002.06.26Priority Information: International: F27B14/10;F27B14/18Applicant(s) Name: Zhou QianfengAddress: Inventor(s) Name: Zhou QianfengPatent Agency Code: 21107Patent Agent: li fenglaiAbstract A tapping unit for metal-smelting crucible is arranged at the bottom of the crucible and features that there is a guide hole above the discharge tap and the discharging hole… Read More »

Process for smelting cast iron dregs

Application Number: 00110985Application Date: 2000.04.03Publication Number: 1316533Publication Date: 2001.10.10Priority Information: International: C22B1/248;C22B9/16;C22C33/08Applicant(s) Name: Li XiantuAddress: Inventor(s) Name: Li XiantuPatent Agency Code: 00000Patent Agent: Abstract A method for smelting cast iron filings generated by mechanically cutting the cast iron parts features that said cast iron filings are loaded into used iron drum, and after the iron… Read More »

Heat-resistant flame-retarded compression casting magnesium alloy and smelting cast technology thereof

Application Number: 00115299Application Date: 2000.03.29Publication Number: 1266105Publication Date: 2000.09.13Priority Information: International: B22D17/00;B22D21/04;C22C23/02Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Zeng Xiaoqin;Ding Wenjiang;Wang QudongPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract The present invention relates to a heat-resistant flame-retardant die-cast magnesium alloy and its smelting-casting process. It is characterized by that its smelting-casting process includes the following steps:… Read More »

New method for smelting industrial silium and ferro-silicon and its equipment

Application Number: 00123714Application Date: 2000.08.31Publication Number: 1281819Publication Date: 2001.01.31Priority Information: International: C01B33/025;C22C33/00Applicant(s) Name: Qi GuoqingAddress: Inventor(s) Name: Qi GuoqingPatent Agency Code: 11139Patent Agent: sun haochenAbstract The invented method includes the following steps: firstly, cleaning silica in which SiO2 content is above 99%, breaking and grinding into fine powder with 100-200 meshes, then breaking and grinding… Read More »

Copper smelting technology and air-tight smelting furnace

Application Number: 00111412Application Date: 2000.01.03Publication Number: 1302996Publication Date: 2001.07.11Priority Information: International: F27B5/05Applicant(s) Name: Wang XiaobangAddress: Inventor(s) Name: Wang XiaobangPatent Agency Code: 31128Patent Agent: li gaodongAbstract A technique for smelting copper features that after the copper is fully molten, a low-pressure refining in an air-tight furnace is performed to obtain high-density copper billet with low air… Read More »

V2O3 electro-aluminothermic process for smelting FeV

Application Number: 00116109Application Date: 2000.09.21Publication Number: 1343794Publication Date: 2002.04.10Priority Information: International: C22B5/04;C22B4/06;C22B34/22Applicant(s) Name: Panhong Vanadium Products Co Ltd, PanzhihuaAddress: Inventor(s) Name: Li Sizhong;Du Yong;Wang YonggangPatent Agency Code: 51124Patent Agent: ren gongAbstract A technology for smelting FeV80 by electro-aluminothermic method includes mixing raw materials including V2O3, aluminium powder, iron particles and lime, smelting in electric furnace,… Read More »

Modified iron for electric furnace steel smelting and its usage in smelting steel

Application Number: 00123756Application Date: 2000.09.05Publication Number: 1284569Publication Date: 2001.02.21Priority Information: International: C21C5/52Applicant(s) Name: Anyang Iron &. Steel Group Ltd.Address: Inventor(s) Name: Shi Meilun;Ma Zhiming;Li ShuangjinPatent Agency Code: 11019Patent Agent: bai jiajuAbstract The present invention belongs to the field of iron and steel smelting technology. The modified iron consists of molten blast furnace iron 70-80 wt%… Read More »

Process for utilizing waste smelting dregs of rare-earth ferrosilicon

Application Number: 00112002Application Date: 2000.01.01Publication Number: 1302910Publication Date: 2001.07.11Priority Information: International: C21B3/04;C22C33/04Applicant(s) Name: Fang XingboAddress: Inventor(s) Name: Fang Xingbo;Hu Liangzai;Tan RongshengPatent Agency Code: 32200Patent Agent: wang zhiziAbstract A process for utilizing the waste slags after smelting rare-earth ferrosilicon includes such steps as adding the following Wt.% of the said waste slags of lime 10-45%, scrap… Read More »

Process for firing silicate cement clinker by using wet lead-zinc smelting slag

Application Number: 00117236Application Date: 2000.07.04Publication Number: 1280107Publication Date: 2001.01.17Priority Information: International: C04B7/02Applicant(s) Name: Huanan Univ. of Science and EngineeringAddress: Inventor(s) Name: Wu Qingren;Lai Hongguang;Liu ZhendePatent Agency Code: 44201Patent Agent: sheng peizhenAbstract A portland cement clinker is producted by using a formulation of materials including limestone 86-90 wt%, dry lead-zinc slay 3-10 wt%, clay 3-8 wt%… Read More »

Modified iron for electric furnace steel smelting and its smelting process

Application Number: 00123757Application Date: 2000.09.05Publication Number: 1284570Publication Date: 2001.02.21Priority Information: International: C21C5/52Applicant(s) Name: Anyang Iron &. Steel Group Co., Ltd.Address: Inventor(s) Name: Shi Meilun;Ma Zhiming;Li ShuanjinPatent Agency Code: 11019Patent Agent: bai jiajuAbstract The present invention belongs to the field of iron and steel smelting technology. The modified iron consists of molten blase furnace iron 70-80… Read More »

Secondary combustion process of steel smelting in superhigh power electric arc furnace

Application Number: 00112435Application Date: 2000.07.29Publication Number: 1336443Publication Date: 2002.02.20Priority Information: International: C21C5/52Applicant(s) Name: Jiangsu Huaigang Group Corp., Ltd.Address: Inventor(s) Name: He Daping;Han Jianhuai;Zhang FengjunPatent Agency Code: 32110Patent Agent: zhu gerenAbstract The present invention relates to secondary burning technology in super high power electric arc furnace for steel smelting, its main system has secondary burning composite… Read More »

Apparatus for recovering and smelting non-ferrous metals

Application Number: 00119632Application Date: 2000.08.18Publication Number: 1338605Publication Date: 2002.03.06Priority Information: International: F27B14/00Applicant(s) Name: Hu JingaoAddress: Inventor(s) Name: Hu JingaoPatent Agency Code: 33100Patent Agent: chen xiangqunAbstract An apparatus for recovering and smelting non-ferrous metal is composed of smelting furnace, smoke-reducing duster, and afterheat utilizing unit. Said smelting furnace consists of furnace body with refractory, liner, furnace… Read More »

One-step process of smelting RE-Si-Mg alloy in arc furnace

Application Number: 00123959Application Date: 2000.10.20Publication Number: 1350064Publication Date: 2002.05.22Priority Information: International: C22B4/06Applicant(s) Name: Jin XijinAddress: Inventor(s) Name: Li Qingxiang;Wang Lin'an;Zhang ZhiyongPatent Agency Code: 37106Patent Agent: fan qiangnianAbstract The technological process for smelting rare earth-silicone-iron-magnesium alloy by using one-step method of arc furnace includes the following steps: according to the component requirements for rare earth-silicone-ion-magnesium alloy… Read More »