Tag Archives: COAL

Advanced grid anchored minerless mining method for coal mine

Application Number  00129360 Application Date  2000.11.27 Publication Number  1355374 Publication Date  2002.06.26 Priority Information     International Classification  E21C41/18   Applicant(s) Name  Resource and Environment Engineering College, Shandong Science and Technology Un   Address     Inventor(s) Name  Tan Yunliang;Wang Yingjian;Guan Jie   Patent Agency Code  37104 Patent Agent  zhao rongqun AbstractA grid mining method… Read More »

Kindling coal and flammable high-effective briquette and production method thereof

Application Number: 00114273Application Date: 2000.05.17Publication Number: 1272528Publication Date: 2000.11.08Priority Information: International: C10L11/04Applicant(s) Name: Yang ChuanmiaoAddress: Inventor(s) Name: Yang ChuanmiaoPatent Agency Code: 44104Patent Agent: Abstract The present invention relates to a kindling coal and an inflammable high-effective briquette and their production method. The kindling portion of said invention is formed from coal and combustion improver as… Read More »

Multi-purpose enamelled coal stove for heating water

Application Number: 00126648Application Date: 2000.10.26Publication Number: 1338591Publication Date: 2002.03.06Priority Information: International: F24B1/183Applicant(s) Name: Liu TangzhiAddress: Inventor(s) Name: Liu TangzhiPatent Agency Code: 43105Patent Agent: xiao meizheAbstract A multi-purpose enamelled water heater using coal as fuel is composed of water inlet tube, main body, combustion box, water outlet tube and firedoor. Said main body is a enamelled… Read More »

Process for preparing heavy coal tar from high-temp coal tar

Application Number: 00120621Application Date: 2000.12.22Publication Number: 1309161Publication Date: 2001.08.22Priority Information: International: C10C1/00Applicant(s) Name: Changsheng Energy Development and Fuel Oil Factory, Xishan District, Kunming CitAddress: Inventor(s) Name: Zhang LingfenPatent Agency Code: 53108Patent Agent: zhan xihanAbstract A process for preparing heavy coal tar from high-temp coal tar includes such steps as demulsifying (dewatering), reducing viscosity, reducing solidifying… Read More »

Technological process for producing aluminium salt and silicate by using coal gangue

Application Number: 00112070Application Date: 2000.02.01Publication Number: 1281820Publication Date: 2001.01.31Priority Information: International: C01B33/26;C01B33/32;C01F7/06Applicant(s) Name: Liu ChengzhangAddress: Inventor(s) Name: Liu ChengzhangPatent Agency Code: 32107Patent Agent: zhang jingAbstract the production process of aluminium salt and silicate by utilizing coal gangue is characterized by that is adopts the processes of alkali fusion, hydrolysis, carbonization, causticization and correspondent acid solving… 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 »

Environment-protecting and energy-saving type coal

Application Number: 00114495Application Date: 2000.04.18Publication Number: 1268551Publication Date: 2000.10.04Priority Information: International: C10L5/04Applicant(s) Name: Ruan HuiyeAddress: Inventor(s) Name: Ruan HuiyePatent Agency Code: 42104Patent Agent: yu hongAbstract The present invention discloses and environment protection energy-saving coal briquette which is made up by mixing raw coal, clay, additive and water. During burning of said environment protection energy-saving coal,… Read More »

Equipment and method for high-pressure shaping of biomass coal

Application Number: 00120787Application Date: 2000.07.14Publication Number: 1276501Publication Date: 2000.12.13Priority Information: International: F23K1/00Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Xu Kangfu;Hao Jiming;Ma YongliangPatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract The equipment for high-pressure shaping of biomass briquettes is composed of base consisting of chassis, top cover and end cover, cylinder/piston unit, a pair of fixed shaping wheel… Read More »

Shooting breakdown method for blast mining face in coal mine

Application Number: 00112369Application Date: 2000.06.28Publication Number: 1331378Publication Date: 2002.01.16Priority Information: International: E21C37/14Applicant(s) Name: Zhang HuaAddress: Inventor(s) Name: Zhang Hua;Sui JinfengPatent Agency Code: 32200Patent Agent: zhang lianqunAbstract A shooting breakdown method for the blast mining face in coal mine features that the holes are drilled at intervals on different gravitalionally vertical lines segment by segment, the… Read More »

Automatically controlled coal distributing system and its autocontrol method

Application Number: 00123295Application Date: 2000.11.23Publication Number: 1355400Publication Date: 2002.06.26Priority Information: International: F23K1/00;F23K3/00;G05B15/02Applicant(s) Name: Dalian Science and Engineering UnivAddress: Inventor(s) Name: Wang Zhanjie;Guo XiaopingPatent Agency Code: 21200Patent Agent: hou mengyuanAbstract An automatically controlled coal distributing system and its autocontrol method are disclosed. The said system is composed of a control unit and an operating unit, and… Read More »

Preparation method of coal series needle type coke

Application Number: 00115132Application Date: 2000.03.24Publication Number: 1268544Publication Date: 2000.10.04Priority Information: International: C10B53/06Applicant(s) Name: Shanghai Baogang Group Co.Address: Inventor(s) Name: Wei Guorui;zhang Jiadai;Wu ChengxingPatent Agency Code: 31209Patent Agent: he wenxinAbstract The present invention relates to a prepn. method of coal series needle-like coke which uses pit asphalt as raw material. The raw material is purified by… Read More »

Decorative colour composite tile of powder coal ash and its production technology

Application Number: 00110532Application Date: 2000.06.14Publication Number: 1273956Publication Date: 2000.11.22Priority Information: International: B28B19/00;C04B18/06;C04B18/08;C04B28/04;C04B41/50Applicant(s) Name: Sun JingkuanAddress: Inventor(s) Name: Sun JingkuanPatent Agency Code: 21217Patent Agent: huang keAbstract A decorative composite colour tile as building decoration is composed of powdered coal ash-concrete tile as substrate and natural or dyed decorative colour layer as surface layer. Its advantages include… Read More »

High-concentration industrial effluent treating method with coal slime

Application Number: 00121452Application Date: 2000.07.24Publication Number: 1335267Publication Date: 2002.02.13Priority Information: International: C02F1/00;C02F11/12;C10L1/32Applicant(s) Name: Zhang ShuliangAddress: Inventor(s) Name: Ma Shuhuan;Ma Guoqiang;Zhang LijiePatent Agency Code: 00000Patent Agent: Abstract The method of treating high concentration industrial effluent with coal slime features that before being mixed with high concentration industrial effluent, the coal slime is treated in a double-layered… Read More »

Powder emulsified explosive for coal mine and productive method thereof

Application Number: 00112373Application Date: 2000.07.05Publication Number: 1275557Publication Date: 2000.12.06Priority Information: International: C06B31/28;C06B45/00Applicant(s) Name: Dongnan Univ.Address: Inventor(s) Name: Chen Zhiming;Shao Li;Li YanyunPatent Agency Code: 32200Patent Agent: shen lianAbstract A coal mine-permitted powdery emulsified explosive is formed from (wt%) 60-90% of ammonium nitrate, 1-15% of sodium nitrate, 1-10% of calcium nitrate, 0.1-2% of urea, 4-10% of water,… Read More »

Method for charging granular coal to top of blast furnace instead of coke

Application Number: 00123374Application Date: 2000.12.08Publication Number: 1356399Publication Date: 2002.07.03Priority Information: International: C21B5/00Applicant(s) Name: Deng ShouqiangAddress: Inventor(s) Name: Deng ShouqiangPatent Agency Code: 21109Patent Agent: liang yanAbstract A technology for charging granular coal instead of coke from the top of blast furnace includes choosing coal, granulating and charging. Its advantages include quickly taking its effect and low… Read More »

Prepn. of defluorinated phosphate by using coal as fuel in boiling furnace

Application Number: 00115684Application Date: 2000.05.16Publication Number: 1323736Publication Date: 2001.11.28Priority Information: International: A23K1/00;C01B25/26Applicant(s) Name: Shan GuangyuAddress: Inventor(s) Name: Shan Guangyu;Cao Judi;Zhang WenlongPatent Agency Code: 00000Patent Agent: Abstract The present invention relates to manufacturing method of defluorinated phosphate in boiling kiln using phosphorus ore as main raw material and coal as fuel, said product is a high… Read More »

Environment-protecting efficient additive for fuel coal

Application Number: 00110682Application Date: 2000.07.19Publication Number: 1334323Publication Date: 2002.02.06Priority Information: International: C10L9/10Applicant(s) Name: Qu YunhuaAddress: Inventor(s) Name: Qu Yunhua;Zhou HongPatent Agency Code: 21002Patent Agent: xu zongfuAbstract An efficient environmentally friendly fuel coal additive is prepared from calcium oxide (10-30 pts.wt), potassium permanganate (3-15 pts.wt.), MnO2 (3-15 pts.wt.), magnesium oxide (1-5 pts.wt.), potassium chloride (1-5 pts.wt.)… Read More »

Sulfur-fixating combustion promoter for fuel coal and its preparing process

Application Number: 00121530Application Date: 2000.08.10Publication Number: 1304984Publication Date: 2001.07.25Priority Information: International: C10L10/00Applicant(s) Name: Fu YinlinAddress: Inventor(s) Name: Fu YinlinPatent Agency Code: 13108Patent Agent: li xianminAbstract A sulfur-fixating combustion promoter for fuel coal is prepared from magnesium oxide, calcium oxide, boron oxide and SiO2 through proportional mixing, breaking, neutralizing and drying. It can decrease the SO2… Read More »

Coal mine allowable powdered emulsified explosive and its production process

Application Number: 00112441Application Date: 2000.08.02Publication Number: 1336355Publication Date: 2002.02.20Priority Information: International: C06B23/00;C06B31/28;C06B45/00Applicant(s) Name: Nanjing Science &. Engineeirng Univ.Address: Inventor(s) Name: Ni Ouqi;Wu Jiehong;Zhang XingmingPatent Agency Code: 32203Patent Agent: zhu xianguoAbstract The present invention relates to mfg. method of powdered emulsified explosive permitted for use in coal mines, it is composed of (mass%) ammonium nitrate 75-85,… Read More »

Method for producing iron alloy by raw coal instead of coke

Application Number: 00123461Application Date: 2000.08.17Publication Number: 1290758Publication Date: 2001.04.11Priority Information: International: C22B4/06;C22B5/10Applicant(s) Name: Yang XiaokangAddress: Inventor(s) Name: Yang XiaokangPatent Agency Code: 11230Patent Agent: zhang ejunAbstract The method of the present invention features that raw coal is used to replace 35-100 % of coke used as reductant in iron alloy production. It can reduce electric power… Read More »

Apparatus and process for producing sponge iron by using coal gas-making shaft furnace to reduce iron ore

Application Number: 00116216Application Date: 2000.05.30Publication Number: 1275624Publication Date: 2000.12.06Priority Information: International: C21B13/02Applicant(s) Name: Baoshan Iron & Steel Co., Ltd.Address: Inventor(s) Name: Shen Chengxiao;Li Yongquan;Chen HongPatent Agency Code: 31209Patent Agent: he wenxinAbstract The presenti nvention is a technology for producing sponge iron and its equipment, and includes the following steps: milling coal and water to obtain… Read More »

Powder coal hot press forming technology heated by double waste gas circulating vertical pipes

Application Number: 00110793Application Date: 2000.08.18Publication Number: 1339555Publication Date: 2002.03.13Priority Information: International: C10L5/06Applicant(s) Name: Li ZhujunAddress: Inventor(s) Name: Li ZhujunPatent Agency Code: 00000Patent Agent: Abstract The present invention features that of the four vertical pipes, the coal powder drying pipe and the heating pipe are connected serially to constitute one independent coal powder heaitng waste gas… Read More »

Smoke-less coal briquette producing process with bituminite as material

Application Number: 00122063Application Date: 2000.08.15Publication Number: 1337449Publication Date: 2002.02.27Priority Information: International: C10L5/04Applicant(s) Name: Meng XiangyunAddress: Inventor(s) Name: Meng XiangyunPatent Agency Code: 15104Patent Agent: shi yuzhongAbstract The method for producing smokeless formed coal by using bituminous coal is characterized by that it uses raw coal of bituminous coal or bituminous coal slurry as raw material, and… Read More »

Coal saving technique for 35T spreader boiler and chain boiler

Application Number: 00112448Application Date: 2000.08.01Publication Number: 1336509Publication Date: 2002.02.20Priority Information: International: F23C1/06Applicant(s) Name: Miao JianxinAddress: Inventor(s) Name: Miao JianxinPatent Agency Code: 00000Patent Agent: Abstract The invention relates to a method and technique for saving coal and lowering cost used for 35-ton coal feeding boiler and chain style boiler. The main points are as follows. (1)… Read More »

Coal gangue material for carving on it and its preparing process

Application Number: 00123467Application Date: 2000.08.18Publication Number: 1304899Publication Date: 2001.07.25Priority Information: International: C04B18/12;C04B28/26Applicant(s) Name: Shenzhou Briquettes Developments Co Ltd, ShanxiAddress: Inventor(s) Name: Li ZimingPatent Agency Code: 14001Patent Agent: wei shuweiAbstract A coal gangue mateial for carving on it is prepared through preparing binder from water glass (75-90%), water-proofing agent (50-20%) and inorganic settling promoter (5-10%) through… Read More »

Process for preparing light building blocks of powdered coal ash for wall

Application Number: 00117264Application Date: 2000.07.15Publication Number: 1313259Publication Date: 2001.09.19Priority Information: International: B28B1/50;C04B18/08;C04B38/02Applicant(s) Name: Huanan Science and Engineering UnivAddress: Inventor(s) Name: Wu Xiaomei;Fan Yueming;Yan YiboPatent Agency Code: 44201Patent Agent: luo guanxiangAbstract A process for preparing building blocks of powdered coal ash, which can be used for light wall, includes such steps as grinding powdered coal ash,… Read More »

Gel retardant for preventing coal from self-ignition in coal mine

Application Number: 00110855Application Date: 2000.01.25Publication Number: 1307089Publication Date: 2001.08.08Priority Information: International: C10L5/00Applicant(s) Name: Dong YuexiAddress: Inventor(s) Name: Dong Yuexi;Sun Xikui;Zhang ChuanyePatent Agency Code: 00000Patent Agent: Abstract Gel retardant is mixture of sodium silicate in 2-6 pts.wt. and coagulation accelerator in 10-32 pts.wt., including calcium hydroxide, clay and magnesium chloride. It is adsorbed onto surface of… Read More »

Screening apparatus used to prepare raw coal for coking

Application Number: 00122121Application Date: 2000.07.18Publication Number: 1313377Publication Date: 2001.09.19Priority Information: International: C10B57/08Applicant(s) Name: Xuanhua Iron and Steel Group Co LtdAddress: Inventor(s) Name: Zhang Bingsheng;Zhao Pingjiang;Hao GuolingPatent Agency Code: 13109Patent Agent: zhang yanbengAbstract A screening apparatus for preparing raw coal to coke is composed of stretching unit, lower supporting axle of sieve, sieve frame, sieve strings,… Read More »

Energy-saving efficient coal pulverizer

Application Number: 00112745Application Date: 2000.03.10Publication Number: 1313147Publication Date: 2001.09.19Priority Information: International: B02C4/10Applicant(s) Name: Siruide Science and Technology Co Ltd, Deyang City, SichuanAddress: Inventor(s) Name: Jiang Yuanyao;Jiang XingPatent Agency Code: 00000Patent Agent: Abstract An energy-saving efficiency coal pulverizing is composed of machine frame, conic rotor with toothed plate, stator with toothed plate on its internal conic… Read More »

High efficiency coal saving sweetening agent

Application Number: 00123631Application Date: 2000.08.25Publication Number: 1339573Publication Date: 2002.03.13Priority Information: International: C10L10/00Applicant(s) Name: Du LiwenAddress: Inventor(s) Name: Du LiwenPatent Agency Code: 00000Patent Agent: Abstract The efficient coal saving sweetening agent for various coal burning boiler, industrial furnace and domestic stove consists of synergistic combustion promoter, efficient combustion promoter, and high activity pollution reducing agent. When… Read More »