Tag Archives: slag

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 »

Mixed cement material with fine active steel slag powder and method of preparing high grade cement with it

Application Number: 00124821Application Date: 2000.09.18Publication Number: 1290667Publication Date: 2001.04.11Priority Information: International: C04B7/00;C04B7/147Applicant(s) Name: China Building Material Science Inst.Address: Inventor(s) Name: Chen Yimin;Zhang Hongtao;Guo SuihuaPatent Agency Code: 11029Patent Agent: wang xinchaAbstract The fine active steel slag powder has a specific surface area greater than 300 sq m/Kg, a 40 micron below particle content greater than 65… Read More »

White ceramic producing method and product by utilizing blast furnace slag

Application Number: 00119612Application Date: 2000.08.16Publication Number: 1337374Publication Date: 2002.02.27Priority Information: International: C04B33/13;C04B33/32Applicant(s) Name: Hongji Special Ceramic Co., Ltd., HanghaiAddress: Inventor(s) Name: Qi Guoqiang;Wu Shengchen;Tang ShuhuiPatent Agency Code: 31128Patent Agent: li gaodongAbstract The present invention uses the blast-furnace slag whose TiO2 content is less than 3% as raw material to make white ceramics, and adopts the… Read More »

Method for producing active carbon by using white carbon black waste slag

Application Number: 00120553Application Date: 2000.11.07Publication Number: 1351957Publication Date: 2002.06.05Priority Information: International: C01B31/08;C01B33/12;C09C1/28Applicant(s) Name: Wuliangye Group Co., Ltd., Yibin, Sichuan Prov.Address: Inventor(s) Name: Li Yanghua;Lian Shuncai;Liu FengxiangPatent Agency Code: 51124Patent Agent: yao jingAbstract During the active carbon producing process by using waste slag after white carbon black extraction, the waste slag is first produced into low… Read More »

Converter slag scavenger

Application Number: 00110979Application Date: 2000.03.31Publication Number: 1287180Publication Date: 2001.03.14Priority Information: 2000/3/8 CN 002138352International: C21C5/46Applicant(s) Name: Steelworks, Laiwu Iron &. Steel Corp., Ltd.Address: Inventor(s) Name: Lu Yulong;Yang Junsheng;Xing DongfangPatent Agency Code: 37108Patent Agent: zhang zhenzhongAbstract The slag scavenger consists of a hydraulic cylinder, a slag eliminating head and a supporting and regulating mechanism. By adjusting the… Read More »

Slag returning process of raising the amount of treated industrial effluent in coal-water fluid method

Application Number: 00121451Application Date: 2000.07.24Publication Number: 1335268Publication Date: 2002.02.13Priority Information: International: B09B3/00;C02F1/16Applicant(s) Name: Zhang ShuliangAddress: Inventor(s) Name: Ma Shuhuan;Ma Guoqiang;Zhang LijiePatent Agency Code: 00000Patent Agent: Abstract The slag returning process of raising the amount of treated industrial effluent in coal-water fluid method is to return partial flyash to the compounding of coal-water fluid so that… Read More »

Slag decomposing agent for smelting steel

Application Number: 00112564Application Date: 2000.09.21Publication Number: 1343793Publication Date: 2002.04.10Priority Information: International: C21C5/36;C21C7/076Applicant(s) Name: Bada Metallurgical Materials Co Ltd, Maanshan CityAddress: Inventor(s) Name: Meng QizhenPatent Agency Code: 34100Patent Agent: gao guizhenAbstract A slag decomposing agent for smelting steel is composed of powdered Mn ore, Mn-Si alloy, lime stone and coke through high-temp sinter and calcining in… Read More »

Method of preparing cobelt chloride with colbalt slag containing Fe and Mg

Application Number: 00122064Application Date: 2000.08.15Publication Number: 1337360Publication Date: 2002.02.27Priority Information: International: C01G51/08Applicant(s) Name: Hengchang Chemical Co., Ltd., ShantouAddress: Inventor(s) Name: Zhuang JingfaPatent Agency Code: 00000Patent Agent: Abstract The production method of cobalt chloride by using cobalt slag containing iron and manganese includes the folloiwng steps: dissolivng cobalt slag in acid, when the acid-solution is reached… Read More »

Final slag modifier for smelting steel in converter

Application Number: 00112705Application Date: 2000.02.22Publication Number: 1264745Publication Date: 2000.08.30Priority Information: International: C21C5/28;C21C5/36;C21C7/076Applicant(s) Name: Wu FaguiAddress: Inventor(s) Name: Wu FaguiPatent Agency Code: 51123Patent Agent: kang haiyanAbstract A final slag modifier for smelting steel in converter contains MgO (45-55 wt.%), CaO (4-9 wt.%), C (3-10 wt.%) and SiO2 (3-10 wt.%), as well as additive. It serves to… Read More »

Method for recovering silver-platinum from platinum containing silver iodide slag

Application Number: 00122340Application Date: 2000.08.25Publication Number: 1339611Publication Date: 2002.03.13Priority Information: International: C22B11/00Applicant(s) Name: Guiyan Platinum Industry Co., Ltd.Address: Inventor(s) Name: He Xiaotang;Wu Xilong;Bai JunPatent Agency Code: 53100Patent Agent: liu juanyiAbstract The silver and platinum recovering process from waste liquid containing silver iodide from platinum type anticancer medicine production includes: reducing of hydrazine hydrate, dissolution with… Read More »

Pre-smelted steel ladle slag reductant and its preparation

Application Number: 00115431Application Date: 2000.04.25Publication Number: 1271021Publication Date: 2000.10.25Priority Information: International: C21C7/06;C21C7/076Applicant(s) Name: Baoshan Iron & Steel Corp., Ltd.Address: Inventor(s) Name: Shi Hongzhi;Zhu LixinPatent Agency Code: 31209Patent Agent: he wenxinAbstract The invented reductant contains regulator component and reductant component including metal aluminium 25-40 wt%, pre-smelted material CaO 25-45 wt%, Al2O3 20-35 wt%, and reaction promoter… Read More »

Oil product denitrifying and slag settling process

Application Number: 00123061Application Date: 2000.10.10Publication Number: 1347962Publication Date: 2002.05.08Priority Information: International: C10G17/10Applicant(s) Name: Jinzhou Petroleum Additive Co., Ltd.Address: Inventor(s) Name: Jiang Lili;Jiang ZhenyuPatent Agency Code: 00000Patent Agent: Abstract The process for the denitrifying and slag settlings treatment of oil product after denitrification with phosphoric acid includes the technological steps of primary extraction, secondary extraction, removing… Read More »

Cement, flyash and steel slag pile and its production process

Application Number: 00115934Application Date: 2000.08.02Publication Number: 1278520Publication Date: 2001.01.03Priority Information: International: C04B18/08;C04B18/14;C04B28/04;E02D5/38Applicant(s) Name: Wuhan Exploration Research Inst., Ministry of Metallurgical IndustryAddress: Inventor(s) Name: Huang Tao;Wang Xiaozhang;Liu JingxianPatent Agency Code: 42102Patent Agent: li shuangquanAbstract The present invention relates to a cement flyash slag pile and its pile-forming process. It uses cement, flyash and slag as raw… Read More »

Copper-nickel slag treating method

Application Number: 00123066Application Date: 2000.10.12Publication Number: 1348999Publication Date: 2002.05.15Priority Information: International: C22B7/04;C22B15/00;C22B23/02Applicant(s) Name: Inst. of Metals, Chinese Academy of SciencesAddress: Inventor(s) Name: Xiao AipingPatent Agency Code: 21002Patent Agent: zhang chenAbstract A treatment method for copper-nickel thermometallurgy furnace slag is to place the reducing carbon in the bottom of slag washing furnace, inject a layer of… Read More »

Method for producing briquetted iron ore using fine iron powder extracted from steel slag

Application Number: 00116007Application Date: 2000.09.08Publication Number: 1288068Publication Date: 2001.03.21Priority Information: International: C22B1/14Applicant(s) Name: Wuhan Smelter Slag Environmental Protection Engineering Co., Ltd., WuhanAddress: Inventor(s) Name: Ji Gengxin;Xiao Zhurong;Wang YinghongPatent Agency Code: 42104Patent Agent: hu qingtangAbstract A technology for preparing spheroidized ore with refined iron powder extracted from steel slags refined iron powder (40-60 wt.%) and ferrous… Read More »

Charge mixture of hollow partition board with high slag content

Application Number: 00123272Application Date: 2000.11.20Publication Number: 1354154Publication Date: 2002.06.19Priority Information: International: C04B14/18;C04B14/42;C04B18/04;C04B28/04;E04C2/04Applicant(s) Name: Wang DingAddress: Inventor(s) Name: Wang DingPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to a partition strap board with high addition quantity of slag and its raw material composition. Said composotion includes (wt%) 30-40% of low-alkali early-strength cement as gelation… Read More »

Combined system for processing superfine steel slag powder

Application Number: 00116038Application Date: 2000.09.20Publication Number: 1289732Publication Date: 2001.04.04Priority Information: International: B09B3/00;B09B5/00;C04B5/00;C21B3/06Applicant(s) Name: Jinjiang Superfine Powder Co Ltd (Wuhan)Address: Inventor(s) Name: Cai Xiaojin;Wang Yihua;Song YiyiPatent Agency Code: 42102Patent Agent: zhong fengAbstract A combined system for preparing fine (325-1250 meshes) and superfine steel slag powder is composed of more than 1 pre-treating system and a post-treating… Read More »

Steel slag magnetically dressing and re-treating process and equipment

Application Number: 00123358Application Date: 2000.12.05Publication Number: 1308136Publication Date: 2001.08.15Priority Information: International: B03C1/00;C21B3/06Applicant(s) Name: Fang XinguiAddress: Inventor(s) Name: Fang Xingui;Wang YueliPatent Agency Code: 21217Patent Agent: huang keAbstract The retreatment process of magnetically separated steel slag is characterized by using steel slag whose grade is 40-60% and grain size is 0-20mm as raw material and feeding the… Read More »

Oxygen sprayer and slag isolating and detaching agent for metallurgical furnace

Application Number: 00116065Application Date: 2000.09.30Publication Number: 1289740Publication Date: 2001.04.04Priority Information: International: C04B35/84Applicant(s) Name: Refractory Metallurgical Powder Plant, Wuhan Iron and Steel CoAddress: Inventor(s) Name: Song Xudong;Jiang Siyuan;Cheng KaiqinPatent Agency Code: 42102Patent Agent: duan jiaojiaoAbstract A slag-isolating and slag-detaching agent for oxygen sprayer and metallurgical furnace contains low-calcium aluminate cement (15-25%), graphite powder (2-2.6), graphite fibre… Read More »

Slag processing apparatus

Application Number: 00123694Application Date: 2000.08.29Publication Number: 1282795Publication Date: 2001.02.07Priority Information: International: C21B3/06Applicant(s) Name: Baoshan Iron Steel Co., Ltd.Address: Inventor(s) Name: Xiao YongliPatent Agency Code: 11019Patent Agent: ren jiAbstract A slag processing apparatus is composed of a horizontally arranged fixed cylinder with uniform grates at lower part and feed inlet on its top, feed hopper above… Read More »

Cold setting slag making agent

Application Number: 00110231Application Date: 2000.03.17Publication Number: 1280201Publication Date: 2001.01.17Priority Information: International: C21C5/36;C21C7/076Applicant(s) Name: No.2 Refractory Plant, Jilin Prov. Tonggang Enterprise Co.Address: Inventor(s) Name: Yang Guangwa;Chen PizhenPatent Agency Code: 22205Patent Agent: zhang weiAbstract Cold setting slay making agent for smelting consists of ferric scale, converter mud and blast furnace dust as steel works waste as well… Read More »

Composite slag melting agent for steelmaking

Application Number: 00109905Application Date: 2000.07.06Publication Number: 1333381Publication Date: 2002.01.30Priority Information: International: C21C7/00Applicant(s) Name: Wu FaguiAddress: Inventor(s) Name: Wu FaguiPatent Agency Code: 51123Patent Agent: hu ronghuiAbstract The compound slag-transforming agent for smelting steel is characterized by that the composition of said slag-transforming agent is made of (wt%) fluorite 0-20%, FeO 25-50%, steel smelting sludge 20-40 %… Read More »

Porcelain slag firming agent and its use

Application Number: 00109845Application Date: 2000.07.11Publication Number: 1280110Publication Date: 2001.01.17Priority Information: International: C04B18/04;C04B18/16;C04B28/22Applicant(s) Name: Zhongtuaotesaite Science and Technology Development Co., Ltd., BeijingAddress: Inventor(s) Name: Mi Zhonglu;Chen Yimin;Li JiePatent Agency Code: 11225Patent Agent: xu jinweiAbstract A firming agent for ceramic dregs consists of chamotte 5-20%, industrial waste residue 40-70%,lime 5-30%, gypsum 5-30% and excitant 1-5%. It has… Read More »

Complex utilization method for coal burning boiler smoke and ash slag

Application Number: 00109011Application Date: 2000.06.02Publication Number: 1326912Publication Date: 2001.12.19Priority Information: International: C05G1/00;C05D9/00;C05B11/08;C03C13/06;B09B3/00;B01D53/34Applicant(s) Name: Zhao ShaomaoAddress: Inventor(s) Name: Zhao Shaomao;Zhang Zhao;Xiao DazhuangPatent Agency Code: 11230Patent Agent: zhang ejunAbstract THe complex utilization of coal burning boiler smoke and ash slag features the sulfur circulation process to produce sulfuric acid and phosphoric acid as well as sulfur fertilizer… Read More »

Method and apparatus for convecter tapping capable of preventing slag from flowing off

Application Number: 00108104Application Date: 2000.04.26Publication Number: 1320708Publication Date: 2001.11.07Priority Information: International: C21C5/46Applicant(s) Name: Pohang Iron & Steel Co., Ltd.Address: Inventor(s) Name: So Sung-Mak;Im Chang-Hi;Lee Chong-MoPatent Agency Code: 11105Patent Agent: li xiaoshuAbstract A steel-tapping method and device for converter for preventing slags from flowing out features that the male plugs, which are made of refractory material… Read More »

Process for producing alcohol with xylose slag

Application Number: 00107969Application Date: 2000.06.02Publication Number: 1327068Publication Date: 2001.12.19Priority Information: International: C12P7/10Applicant(s) Name: Jidong Solvent Plant, Tangshan CityAddress: Inventor(s) Name: Xia Liming;DAi Shumei;Cen PeilinPatent Agency Code: 13103Patent Agent: wang yonggongAbstract The alcohol producing process includes the steps of solid fermentation of xylose slag, curshed corn straw, bran and strain through yeast culture tank in a… Read More »

Method of extracting zinc from zine slag

Application Number: 00107360Application Date: 2000.05.11Publication Number: 1323909Publication Date: 2001.11.28Priority Information: International: C22B7/04;C22B19/04Applicant(s) Name: Central-South China Polytechnic Univ.Address: Inventor(s) Name: Qiu Keqiang;Chen QiyuanPatent Agency Code: 43200Patent Agent: yuan xiangAbstract A recovery process of zinc from the zinc residues puts the zinc residue slags into the vacuum distillation furnace as keeping the vacuum degree of the furnace… Read More »

Slag modifier for refining molten steel

Application Number: 00107235Application Date: 2000.04.29Publication Number: 1286312Publication Date: 2001.03.07Priority Information: International: C21C7/076Applicant(s) Name: Xing ChaoAddress: Inventor(s) Name: Xing Chao;Li Jizong;Liao FangmingPatent Agency Code: 11019Patent Agent: bai jiajuAbstract A slag modifier for refining molten steel contains CaO (20-45 wt.%), Al2O3 (20-45 wt.%), one or more of Al, Si, Ca, Ba and Re (5-15 wt.%), CaF2 (4-6… Read More »

Method for directly converting liquid exhaust boiler slag into asbestos

Application Number: 00103206Application Date: 2000.03.16Publication Number: 1314319Publication Date: 2001.09.26Priority Information: International: C03B37/04;C03C13/06;E04B1/76Applicant(s) Name: Zhao ShanmaoAddress: Inventor(s) Name: Zhao Shanmao;Zhang Zhao;Xiao DazhuangPatent Agency Code: 11230Patent Agent: zhang ejunAbstract In a liquid state slag-off boiler, coal, ardealite, ophiolite, limestone, quartzite, dolomite and other ore are converted into liquid state glass pulp through high temperature combustion and slag… Read More »

Method for extracting plant solid slag to obtain anti-oxidant through self anaerobic fermentation and produced extract

Application Number: 00103155Application Date: 2000.03.17Publication Number: 1314449Publication Date: 2001.09.26Priority Information: International: A23K1/16;A23L3/34;A61K47/44;C09K15/34;C12P1/00Applicant(s) Name: Wen RishengAddress: Inventor(s) Name: Wen Risheng;Yang QimingPatent Agency Code: 72002Patent Agent: gan lingAbstract The antioxidant preparing process includes anaerobic fermentation of plant materials, separation of fermented liquid and collection of precipitated solid slag, extraction of the precipitated solid slag with proper solvent… Read More »