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 »

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 »

Method for sorting raw ore, especially coal

Application Number: 00117953Application Date: 2000.05.24Publication Number: 1274620Publication Date: 2000.11.29Priority Information: 1999/5/24 DE 19923600.3International: B03B5/34;B04C3/06Applicant(s) Name: Haintz HohltAddress: Inventor(s) Name: Haintz Hohlt;P. Wel SchenskyPatent Agency Code: 72001Patent Agent: yang songlingAbstract The process involves using an inclined cylindrical separating vessel (1) with a separating medium directed in at least two partial streams through inlet tubes into the… 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 »

Coal powder gasifying fluid bed equipoment and technological process

Application Number: 00122983Application Date: 2000.09.11Publication Number: 1299859Publication Date: 2001.06.20Priority Information: International: C10J3/46Applicant(s) Name: Fushun Ende Machinery Co., Ltd.Address: Inventor(s) Name: Hong DunhuanPatent Agency Code: 21102Patent Agent: xu mengzhangAbstract The present invention discloses a boiling-bed powdered coal gasification equipment and its technological process, which is characterized by adopting a boiling-bed powdered coal gasification generation furnace with… 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 »

Boiler burning honeycomb briguette, fuel gas and bulk coal simultaneously

Application Number: 00123778Application Date: 2000.09.06Publication Number: 1284622Publication Date: 2001.02.21Priority Information: International: F23C1/04Applicant(s) Name: Li ShufanAddress: Inventor(s) Name: Li ShufanPatent Agency Code: 00000Patent Agent: Abstract The boilet of the present invention has a rotary furnace and a dynamic combination, which is changeable with fuel feeding passage, of coal retainer, flame baffle and detachable burner fender. It… Read More »

Coal smoke and smog treating apparatus, and coal smoke and smog treating system using the same apparatus

Application Number: 00119202Application Date: 2000.05.09Publication Number: 1322920Publication Date: 2001.11.21Priority Information: International: B01D47/06;F23J15/04Applicant(s) Name: Tolainax Co., Ltd.Address: Inventor(s) Name: Oyamato HiroshiPatent Agency Code: 11038Patent Agent: chen jianAbstract Coal smoke and mist treater and coal smoke and mist treater system have baffles with certain gap in between second guide plates in the space over the baffles inside… Read More »

Technological method of raising exploitation efficiency in work area of coal mine

Application Number: 00110901Application Date: 2000.02.20Publication Number: 1310285Publication Date: 2001.08.29Priority Information: International: E21C25/06;E21C41/18Applicant(s) Name: Yanzhou Mining Group Corp., Ltd.Address: Inventor(s) Name: Jin Tai;Lai Cunliang;Xi JingdePatent Agency Code: 37104Patent Agent: qu laiyiAbstract The present invention relates to a mining technology and the mining process includes cutting coal bed, shifting support, shifting front and back conveyer and blasting… Read More »

Process for preparing mortar ash from high-content powdered coal ash and boron mud

Application Number: 00122995Application Date: 2000.09.18Publication Number: 1343640Publication Date: 2002.04.10Priority Information: International: C04B18/04;C04B18/08;C04B22/08Applicant(s) Name: Ma GuizhenAddress: Inventor(s) Name: Wang Xianjin;Ma GuzhenPatent Agency Code: 00000Patent Agent: Abstract A process for preparing mortar powder uses powdered coal ash, boron mud, ardealite and trigger as raw materials. Its product can replace lime or part of cement (20%). Its advantages… Read More »

Wide-range peak regulation technique for electric generator set with coal powder furnace using coal gangue as fuel

Application Number: 00113015Application Date: 2000.06.13Publication Number: 1328235Publication Date: 2001.12.26Priority Information: International: F23K3/00Applicant(s) Name: Feng SuichengAddress: Inventor(s) Name: Feng SuichengPatent Agency Code: 00000Patent Agent: Abstract A wide-range peak regulation technique for the electric generator set with coal powder furnace under the condition of burning coal gangue instead of coal powder is disclosed. Said technique features that… Read More »

Method and apparatus for drying coal

Application Number: 00124159Application Date: 2000.08.18Publication Number: 1285388Publication Date: 2001.02.28Priority Information: 1999/8/18 JP 231045/1999International: C10B57/10Applicant(s) Name: Nippon Steel Corp.Address: Inventor(s) Name: Yokomizo Masahiko;Murasakibara Yasutaka;Fukunaga MasaokiPatent Agency Code: 11038Patent Agent: han deyingAbstract A method and apparatus for drying coal by fluidized bed dryer 7, using flue exhaust gas 31 of coke oven 1 as a portion or… Read More »

Process for preparing high-crystallinity X-type zeolite from coal gangue as raw material

Application Number: 00119586Application Date: 2000.08.10Publication Number: 1280956Publication Date: 2001.01.24Priority Information: International: C01B39/22Applicant(s) Name: Fudan UnivAddress: Inventor(s) Name: Dong Angang;Tang YiPatent Agency Code: 31200Patent Agent: yao jingfangAbstract A process for preparing high-crystallinity lambda-zeolite from coal gangue includes such steps as pretreating coal gangue with acidic iron remover, high temp. alkali fusion to activate is, then ageing… Read More »

Coal feeder for reciprocating supply of coal to grate

Application Number: 00110999Application Date: 2000.04.10Publication Number: 1317665Publication Date: 2001.10.17Priority Information: International: F23K3/08;F23K3/16Applicant(s) Name: Wu JianhuaAddress: Inventor(s) Name: Wu JianhuaPatent Agency Code: 00000Patent Agent: Abstract A coal feeder is composed of upper and lower coal feeding mechanisms and screening grate plate between them. The upper coal feeding mechanism applies the coal onto screening grate plate. The… Read More »

Hot air blowing coking coal grading and moisture controlled coal preparation process

Application Number: 00123021Application Date: 2000.09.22Publication Number: 1285387Publication Date: 2001.02.28Priority Information: International: C10B57/00Applicant(s) Name: Anshan Inst. of Heat Energy, Mionistry of Metallurgical IndustryAddress: Inventor(s) Name: Xie Zhen'an;Liu Shupig;Wang LifuPatent Agency Code: 21204Patent Agent: zhang qunAbstract The present invention discloses a coking coal preparation process capable of making hot-air classification and controlling water content, and is technically… Read More »

Process for preparing modified coal asphalt oil for building up highway

Application Number: 00113184Application Date: 2000.09.12Publication Number: 1342726Publication Date: 2002.04.03Priority Information: International: C08L95/00Applicant(s) Name: Coal Chemistry Co. Panzhihua Iron and Steel GroupAddress: Inventor(s) Name: Li Yinghai;Zhang Chuyong;Chen XinguiPatent Agency Code: 51124Patent Agent: li gaoxiaAbstract A high-grade road asphalt is prepared from coal-tar pitch, coking solvent oil, high-molecular material, and anti-ageing agent through physical and chemical modification.… Read More »

Steaming-pressing technology for forming high-strength powdered coal ash bricks

Application Number: 00126147Application Date: 2000.08.22Publication Number: 1338363Publication Date: 2002.03.06Priority Information: International: B28B3/00Applicant(s) Name: Hengtongyuan Industry Co Ltd, HenanAddress: Inventor(s) Name: Pu Songrong;Wang Guanli;Xu YazhongPatent Agency Code: 41104Patent Agent: chen gaoAbstract A technology for making high-strength powdered coal ash bricks features that its pressing step can be divided into three stages: pre-pressing, press shaping and maintaining.… Read More »

Preparation of activated carbon-zeolite composition with coal gangue

Application Number: 00119588Application Date: 2000.08.10Publication Number: 1280879Publication Date: 2001.01.24Priority Information: International: B01J20/20;B01J20/30Applicant(s) Name: Fudan UnivAddress: Inventor(s) Name: Tang Yi;Dong Angang;Gao ZiPatent Agency Code: 31200Patent Agent: yao jingfangAbstract A process for preparing activated carbon-zeolite composite from coal gangue as raw material includes such steps as activating coal gangue by high-temp. alkali fusion under protection of nitrogen… Read More »

High efficiency coal burner without pollution

Application Number: 00111293Application Date: 2000.08.18Publication Number: 1339668Publication Date: 2002.03.13Priority Information: International: F23B1/12;F23B1/34Applicant(s) Name: Wang ShuzhouAddress: Inventor(s) Name: Wang ShuzhouPatent Agency Code: 37103Patent Agent: ma dunrongAbstract The coal burner has two, a main and a subsidiary, burning chambers with communicated upper parts. The main burning chamber has annular hearth, coal feeding port and combustion assisting port… Read More »

Formula and technology for producing colour concrete tiles with powdered coal ash and other waste industrial dregs

Application Number: 00123261Application Date: 2000.11.16Publication Number: 1298845Publication Date: 2001.06.13Priority Information: International: C04B18/04;C04B18/08;C04B28/04Applicant(s) Name: Liaoning Academy of Building Material SciencesAddress: Inventor(s) Name: Zhou Zhihong;Yu Guangping;Chen XunPatent Agency Code: 21100Patent Agent: li dianzhongAbstract The raw material composition of colour concrete tile is as follows (mass portions): cement (no.525) 25-30 portions, flyash 15-25 portions, calcium enbancing slag and… Read More »

Method for stirring powdered coal ash mixture to building up ash dam of steam-electric power plant

Application Number: 00113676Application Date: 2000.09.11Publication Number: 1342813Publication Date: 2002.04.03Priority Information: International: E02D15/00Applicant(s) Name: Yao ZaisongAddress: Inventor(s) Name: Yao ZaisongPatent Agency Code: 43113Patent Agent: tang guobengAbstract A method for stirring the flyash mixture used to build up ash dam of steam electric power plant includes such steps as spreading a ground layer of slaked lime, spreading… Read More »