Tag Archives: cement

Formula for preparing high-strength cement

Application Number: 00113675Application Date: 2000.09.06Publication Number: 1304896Publication Date: 2001.07.25Priority Information: International: C04B7/42Applicant(s) Name: Xie SuichengAddress: Inventor(s) Name: Xie Suicheng;Hu Xi'anPatent Agency Code: 43107Patent Agent: shu binAbstract A high-strength cement is prepared from lime stone, clay, iron powder and coal, and features that an activating agent (slag of Sd, Mn, Steel, Sn, or Pb) is used… Read More »

Quick calcium content measuring method for ground raw material of non-outkiln decomposed cement kiln batch

Application Number: 00118583Application Date: 2000.07.07Publication Number: 1285511Publication Date: 2001.02.28Priority Information: International: G01N31/16Applicant(s) Name: Xi YongjunAddress: Inventor(s) Name: Xi Yongjun;Qi JinshenPatent Agency Code: 36100Patent Agent: hu lichengAbstract In invented detection method, cane sugar and calcium oxide react to produce calcium sucrate, and the calcium sucrate is titrated by hydrochloric acid solution to measure out calcium oxide… Read More »

Composite grinding aiding and reinforcing stabilizer for cement

Application Number: 00123250Application Date: 2000.11.15Publication Number: 1351973Publication Date: 2002.06.05Priority Information: International: C04B22/14;C04B22/16Applicant(s) Name: Wang XianjinAddress: Inventor(s) Name: Wang Xianjin;Sun Zhongxiang;Wang QuanPatent Agency Code: 00000Patent Agent: Abstract A composite grinding aiding and reinforcing stabilizer for cement consists of pyrite slag, waste sulfuric acid, ferrous sulfate, sulfur-contained mineral or dewatered ardealite, magnesium sulfate, flyash and diglycol. Compared… Read More »

Cement concrete modifying method with condensate of melamine sulfonate and formaldehyde

Application Number: 00114140Application Date: 2000.03.22Publication Number: 1267649Publication Date: 2000.09.27Priority Information: International: C04B24/16;C04B24/30Applicant(s) Name: Guangzhou Inst. of Chemistry, Academia SinicaAddress: Inventor(s) Name: Luo Guangjian;Xie Yifu;Liu WeiquPatent Agency Code: 44001Patent Agent: li jilanAbstract The condensate of melamine sulfonate and formaldehyde is used as additive and added in the amount of 0.75-1.00% cement water into cement paster. It… Read More »

Radioactive cement contaiing rare earth waste sludg and its usage in treating sewage

Application Number: 00119351Application Date: 2000.06.28Publication Number: 1277165Publication Date: 2000.12.20Priority Information: International: C02F1/00;C04B7/24;G21H5/00Applicant(s) Name: Inst. of Technical Physics, Heilongjiang Prov. Academy of SciencesAddress: Inventor(s) Name: Wang Chang'an;Piao Yongjian;Zhao HongtaoPatent Agency Code: 23109Patent Agent: yue quanqingAbstract The radioactive cement containing rare earth waste sludge consists of mixed cement in 60-84wt% and 100-200 mesh RE waste sludge in… Read More »

Benzene containing cement board and its production process

Application Number: 00123275Application Date: 2000.11.20Publication Number: 1295045Publication Date: 2001.05.16Priority Information: International: C04B16/00;C04B18/08;C04B28/04;E04B1/62Applicant(s) Name: Sheng ZhongzhangAddress: Inventor(s) Name: Sheng ZhongzhangPatent Agency Code: 21209Patent Agent: liu zhongdaAbstract Of the polystyrene containing cement board, each cubic meter is produced with cement 70 Kg, flyash 30 Kg, polystyrene grain 15 Kg, coarse fiber of waste woven bag, gunnybag and… Read More »

Ecological cement prepared from industrial and city wastes

Application Number: 00114925Application Date: 2000.03.15Publication Number: 1313256Publication Date: 2001.09.19Priority Information: International: C04B7/24Applicant(s) Name: Shanghai Cement MillAddress: Inventor(s) Name: Yang Weidong;Ma Yong;Yu WeihuaPatent Agency Code: 00000Patent Agent: Abstract A process for preparing cement, especially the slag-silicate cement No.425 and ordinary silicate cement No.525, from city and industry waste is disclosed. Its advantages include less investment, low… Read More »

Method for producing low-alkali cement

Application Number: 00119388Application Date: 2000.07.11Publication Number: 1333195Publication Date: 2002.01.30Priority Information: International: C04B7/02;C04B7/43Applicant(s) Name: Neimenggu Mengxi New and High Material Co., Ltd.Address: Inventor(s) Name: Liu Ailin;Zhao Jianguo;Wang YingjiePatent Agency Code: 15105Patent Agent: gao yongzhenAbstract The production method of low-alkali cement is technically characterized by that it strictly selects and uses low-alkali raw material, adopts scientific raw… Read More »

Light efficient heat insulating lining for vertical cement kiln

Application Number: 00124223Application Date: 2000.08.11Publication Number: 1284645Publication Date: 2001.02.21Priority Information: International: F27D1/10Applicant(s) Name: Xi YongjunAddress: Inventor(s) Name: Xi Yongjun;Qu Jinshen;Ye ZifangPatent Agency Code: 36100Patent Agent: hu lichengAbstract The heat insulating lining is semi-circular plate pressed with heat insulating mixture. Because of being thin, it results in saving in efficient space inside cement kiln and increased… Read More »

Inorganic mineral reinforcer for cement and its prepn.

Application Number: 00115681Application Date: 2000.05.15Publication Number: 1323755Publication Date: 2001.11.28Priority Information: International: C04B22/14Applicant(s) Name: Shanghai Normal Univ.Address: Inventor(s) Name: Ling YixinPatent Agency Code: 31100Patent Agent: chen wenjingAbstract The present invention relates to inorganic mineral material reinforcing agent for cement, it includes (wt.%): alum stone 20-50%, anhydrite 30-60%, coal gangue 10-25%, sepiolite 0-30%. The invented reinforcing agent… Read More »

Burning method for producing cement

Application Number: 00119915Application Date: 2000.06.30Publication Number: 1290668Publication Date: 2001.04.11Priority Information: 1999/7/2 FR 9908562International: F23D23/00;F23B7/00;C04B7/44Applicant(s) Name: L'air Liquid Societe Anonyma Pour L'Etu de Et L'Exploitation Des Procedes GeorgeAddress: Inventor(s) Name: Yak Deegay;Owidiwa Maran;Tiery BaurisofPatent Agency Code: 11038Patent Agent: zhang jinxiAbstract Combustion process especially applicable to cement works, in which process it is desired to use fuels… Read More »

Composite stalk balls as raw material of cement vertical kiln

Application Number: 00110963Application Date: 2000.03.30Publication Number: 1315298Publication Date: 2001.10.03Priority Information: International: C04B7/42Applicant(s) Name: Liuyuan Cement Co Ltd, ShandongAddress: Inventor(s) Name: Zhu Jianwei;Du Peishan;Wang JihaiPatent Agency Code: 37100Patent Agent: chong daobeiAbstract A composite raw material ball of stalk and straw for vertical cement kiln is prepared from lime stone, coal, clay, iron ore and powdered stalk… Read More »

Super-fine colour cement and its preparing process

Application Number: 00124651Application Date: 2000.09.28Publication Number: 1286233Publication Date: 2001.03.07Priority Information: International: C04B7/14;C04B7/26;C04B22/06Applicant(s) Name: Cui HuaAddress: Inventor(s) Name: Cui HuaPatent Agency Code: 00000Patent Agent: Abstract A superfine colour cement is prepared from cement, industrial slags, powdered ore, pigment, bulking agent and water-reducing agent through pre-grinding, superfine grinding, mixing, etc. Its advantages are high specific surface area… 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 »

Method for making sound-absorbing wood-foam cement plate

Application Number: 00120631Application Date: 2000.12.27Publication Number: 1296876Publication Date: 2001.05.30Priority Information: International: B28B1/00;B28B1/50;B28B1/52;E04B1/86Applicant(s) Name: Heguang Hi-Tech Development Co., Ltd, Sichuan ProvAddress: Inventor(s) Name: Yue Yulun;Xu Keqin;Zhou JiyaoPatent Agency Code: 51126Patent Agent: yang dunhuaAbstract A sound absorbing wood-foam cement plate is prepared from cement foamer, cement and wood dust through mixing the cement foamer (organic substance containing… Read More »

Process for preparing cement

Application Number: 00111364Application Date: 2000.09.11Publication Number: 1342620Publication Date: 2002.04.03Priority Information: International: C04B7/00Applicant(s) Name: Dayu Cement Co Ltd, QingdaoAddress: Inventor(s) Name: Mao Xiaogang;Yang Minxiu;Wu ChangyongPatent Agency Code: 37108Patent Agent: xiang jiaqiAbstract A process for preparing cement includes such steps as grinding clinker, proportionally mixing it with other raw materials, and homogenizing. Its advantages include no need… 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 »

Water-proofing additive of dissolved used plastics for cement

Application Number: 00116058Application Date: 2000.09.29Publication Number: 1289796Publication Date: 2001.04.04Priority Information: International: C04B24/24;C08L25/06Applicant(s) Name: Zhang XihuaAddress: Inventor(s) Name: Zhang Xihua;Li ZhongcaiPatent Agency Code: 00000Patent Agent: Abstract A water-proofing additive of cement mortar and concrete is prepared from used plastics through dissolving in mixed organic solvent, and physical mixing for modification. Its advantages include low cost and… Read More »

PP fiber reinforced cement slab and use thereof

Application Number: 00121185Application Date: 2000.07.31Publication Number: 1277947Publication Date: 2000.12.27Priority Information: International: C04B14/18;C04B16/06;C04B24/00;C04B28/04;E04C2/288Applicant(s) Name: Inst. of Chemistry, Chinese Academy of SciencesAddress: Inventor(s) Name: Pei Meishan;Wang Dujin;Wang JiajunPatent Agency Code: 00000Patent Agent: Abstract The composition of this invented polypropylene fiber cement plate is: cement 100 (weight portions), polypropylene short fiber 0.05-0.5, water reducer 0.5-1.0, expanded perlite 0-20,… Read More »

Method of treating dangerous waste by utilizing cement rotary kiln

Application Number: 00111640Application Date: 2000.01.31Publication Number: 1259638Publication Date: 2000.07.12Priority Information: International: F23G7/00Applicant(s) Name: Wan'an Enterprise Gen. Corp., ShanghaiAddress: Inventor(s) Name: Dai Minhua;Fang Wei;Qian DebiaoPatent Agency Code: 31100Patent Agent: gu junfengAbstract The present invention relates to a simple and rational method of treating liquid, solid, semisolid state dangerous waste material by utilizing cement rotary kiln. For… Read More »

Method for washing mixture of cement concrete with water and its product

Application Number: 00124879Application Date: 2000.09.21Publication Number: 1343555Publication Date: 2002.04.10Priority Information: International: B28B17/02Applicant(s) Name: Wang LiyunAddress: Inventor(s) Name: Wang LiyunPatent Agency Code: 00000Patent Agent: Abstract A method for washing the mixture of cement-concrete with water before moulding is disclosed, which can remove the instant harmful substances, such as K, Na, etc to prevent alkali reaction. Its… Read More »

Quick-solidified wooden cement shaving board and its production method

Application Number: 00116538Application Date: 2000.06.15Publication Number: 1328977Publication Date: 2002.01.02Priority Information: International: B28B3/00;C04B18/26;C04B24/28;C04B28/24Applicant(s) Name: Zhejiang Forestry InstituteAddress: Inventor(s) Name: Ye Liangming;Ma Lingfei;Bao BinfuPatent Agency Code: 33101Patent Agent: han xiaoyanAbstract The present invention relates to a quickly cured wooden cement shaving board, containing (wt%) 15-17% of shavings 43-54% of cement, 3.5-8% of sodium silicate and the rest… Read More »

Vacuum extrusion process and equipment of fiber reinforced cement board

Application Number: 00121228Application Date: 2000.08.08Publication Number: 1337372Publication Date: 2002.02.27Priority Information: International: C04B28/00;C04B18/08;C04B14/04;C04B16/02;C04B16/06;B28B1/52;B28B3/20;B28D1/22Applicant(s) Name: Beixin Building Material (Group) Corp., Ltd.Address: Inventor(s) Name: Han Xiuzhi;Chen Zhiyu;He HongbiPatent Agency Code: 11223Patent Agent: wang mengxiaAbstract The technological process for producing fibre cement board by adopting vacuum extrusion method incldues the following steps: metering all the raw materials of cement,… Read More »

Construction method for assembling shutterings of multi-storey building at same time and pouring cement grout once

Application Number: 00111675Application Date: 2000.02.14Publication Number: 1309219Publication Date: 2001.08.22Priority Information: International: E04G11/02Applicant(s) Name: Lai NianhongAddress: Inventor(s) Name: Lai NianhongPatent Agency Code: 31128Patent Agent: li gaodongAbstract A construction method for building up multi-storey building by setting up all shutterings at same time and then pouring cement grout once includes setting up multiple shuttering screw bolts, constructing… Read More »

Non-hydroconsolidalion cement and its preparation method

Application Number: 00126521Application Date: 2000.09.12Publication Number: 1321618Publication Date: 2001.11.14Priority Information: 2000/4/29 CN 00112909.0International: C04B12/00Applicant(s) Name: Jiang JilinAddress: Inventor(s) Name: Jiang JilinPatent Agency Code: 51123Patent Agent: kang haiyanAbstract A non-hydration cement is characterized by that it is formed from 5-40% of calcium oxide and 60-95% of active loess (or clay), the calcium oxide also can be… Read More »

Plastic cement track, sports ground and manufacturing method thereof

Application Number: 00116553Application Date: 2000.06.16Publication Number: 1329199Publication Date: 2002.01.02Priority Information: International: C09D175/04;E01C13/06Applicant(s) Name: Shanghai Hangwei Science & Technology Development Co. Ltd.Address: Inventor(s) Name: Wu Zhengyong;Zhuang WeiyiPatent Agency Code: 31113Patent Agent: chen zhiliangAbstract A preparation method of plastic cement track and sports ground includes the following steps: on the asphalt or cement base ground laying polyurethane… Read More »

Soil stabilizing cement

Application Number: 00121540Application Date: 2000.08.11Publication Number: 1338502Publication Date: 2002.03.06Priority Information: International: C09K17/10Applicant(s) Name: Tianjin Desing Inst of Cement Industry, State Building Material Industry BureauAddress: Inventor(s) Name: Chen Yunbo;Xu PeitaoPatent Agency Code: 12100Patent Agent: wang rongshengAbstract A soil-stabilizing cement is prepared from alkali dregs and calcium material through proportional mixing, calcining, adding gypsum, and grinding. Its… Read More »

Preparation method of fly ash sintered brick by-product cement component material

Application Number: 00112082Application Date: 2000.02.12Publication Number: 1263069Publication Date: 2000.08.16Priority Information: International: B09B3/00;C04B7/24;C04B18/04;C04B35/18Applicant(s) Name: Wang YuqiangAddress: Inventor(s) Name: Wang YuqiangPatent Agency Code: 00000Patent Agent: Abstract The preparation method of flyash sintered brick by-product cement component material is characterized by that firstly the limestone-contained gangue and burden are undergone the processes of screening, breaking and washing treatment… Read More »

Method and apparatus for treating urban domestic refuse by waste heat of cement raw material calcining furnace

Application Number: 00126610Application Date: 2000.09.27Publication Number: 1345637Publication Date: 2002.04.24Priority Information: International: B09B3/00Applicant(s) Name: Gong ZhefuAddress: Inventor(s) Name: Gong ZhefuPatent Agency Code: 43117Patent Agent: cai dashengAbstract On the top of cement raw material calciner a heat-conducting steel pot is mounted, the interior of said steel pot is equipped with heat-conducting pie, and the high-temp. produced when… 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 »