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    • 42. 发明专利
    • Crushing equipment, crushing method and fluidized bed type classifier
    • 破碎设备,破碎方法和流化床类型分类器
    • JP2005095827A
    • 2005-04-14
    • JP2003335230
    • 2003-09-26
    • Kawasaki Heavy Ind Ltd川崎重工業株式会社
    • ICHITANI NOBORUHASHIMOTO SHINICHIANDO FUMINORI
    • B07B4/08B02C21/00B07B7/08B07B9/02
    • PROBLEM TO BE SOLVED: To provide crushing equipment which has a classifier giving high classification precision and achieves a high crushing efficiency, a crushing method using the equipment, and a classifier for the equipment. SOLUTION: A fluidized bed type classifier 1 disposed between a roller mill 31 and a tube mill 32 is constructed so as to cause fine powder components among blown up components to be carried by air and discharged. The construction prevents coarse powder components from, together with fine powder components, being discharged and charged into the mill 32, permitting improvement in the crushing efficiency in the mill 32 and the whole crushing efficiency. The entrainment of coarse powder components into the mill 32 can be prevented more reliably by controlling the thickness of the fluidized bed so as to make the supply and discharge pressures constant and keeping the flow rate of air constant. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供具有分级精度高,分级精度高,破碎效率高的破碎设备,使用该设备的破碎方法和设备分选机。 解决方案:设置在辊磨机31和管磨机32之间的流化床型分级器1被构造成使吹出部件中的细粉末成分由空气运送并排出。 该结构防止粗粉末组分与精细粉末组分一起排出并装入磨机32中,从而提高了磨机32的破碎效率和整体粉碎效率。 通过控制流化床的厚度,使供给和排出压力恒定并保持空气流量恒定,可以更加可靠地防止粗粉末组分夹带在磨机32中。 版权所有(C)2005,JPO&NCIPI
    • 43. 发明专利
    • SUPPORT APPLIANCE FOR ROTARY KILN
    • JP2003262471A
    • 2003-09-19
    • JP2002061862
    • 2002-03-07
    • KAWASAKI HEAVY IND LTD
    • ICHITANI NOBORUMURAO MIKIOYAMAJI SEIICHIKISHIDA KAZUTO
    • F27B7/22
    • PROBLEM TO BE SOLVED: To avoid an abnormal contact bearing pressure from being formed between a tire and a support roller and allow the whole surfaces of the tire and the support roller to uniformly contact with each other by a moving thruster roller. SOLUTION: A cylindrical kiln trunk 2 having an inclined axis is rotatably supported to a pair of left/right support rollers 4L and 4R in a part of the tire 3 provided therein. Bearing parts 6L and 6R of the support rollers 4L and 4R are fixed and supported to independent roller mount boards 7L and 7R respectively. The moving thruster roller 11a is fixed and supported on a thruster mount board 9 independent from the roller mount boards 7L and 7R. The moving thruster roller 11a regulates the movement of the tire 3 in the kiln axial direction and reciprocates the tire 3 on the support roller 4 in the kiln axial direction. The moving thruster roller 11a is provided between the roller mount boards 7L and 7R. The support bearings 13L and 13R restrict the roller mount boards 7L and 7R not to move in the kiln axial direction and support them to incline according to the inclination of the tire 3. COPYRIGHT: (C)2003,JPO
    • 45. 发明专利
    • METHOD FOR CONTROLLING APPARATUS FOR PRODUCING SOIL IMPROVER
    • JP2002317180A
    • 2002-10-31
    • JP2001122745
    • 2001-04-20
    • KAWASAKI HEAVY IND LTD
    • ICHITANI NOBORUHAYASHI ISAOMURAO MIKIO
    • F26B3/08C09K17/06C09K17/50C09K103/00F26B17/10F26B25/00
    • PROBLEM TO BE SOLVED: To maintain a stabilized fluidized bed and, simultaneously, stabilize the quality of a product against the variation of the amount introduced and water content of a raw material and to stabilize the firing chamber temperature against the variation of the amount of organic substances in sludge and the calorific value and, simultaneously, prevent adhesion and re-carbonation of a fine powder in a cyclone to recover a high quality product. SOLUTION: In the apparatus having a fluidized bed furnace 20 of the two-chamber type for drying a granulated raw material in a drying chamber 26, then conducting incineration of organic substances and decomposition/firing of hydrated lime in a firing chamber 28, removing dust from the exhaust gas of the furnace 20 by a cyclone 58, then mixing the resulting gas with an odor in a mixing chamber 59, and introducing this mixed gas into a heat exchanger 46 to recover heat, by controlling the drying chamber 26 temperature and the flow rate of each chamber even with a variation of the amount introduced and water content of the raw material, a stabilized fluidized bed can be maintained to stabilize quality, and by controlling the cyclone 58 outlet temperature, adhesion and re-carbonation of a fine powder can also be prevented to stabilize the burning chamber 28 temperature, and thus, a product of high quality can be recovered.
    • 46. 发明专利
    • SLUDGE TREATMENT METHOD AND EQUIPMENT THEREFOR
    • JP2002273492A
    • 2002-09-24
    • JP2001082219
    • 2001-03-22
    • KAWASAKI HEAVY IND LTD
    • ICHITANI NOBORUHAYASHI ISAOMURAO MIKIO
    • B04C5/14C02F11/06
    • PROBLEM TO BE SOLVED: To provide a treatment method and equipment which make the waste gas of a flash drying machine odorless without degrading heat consumption in flash drying sludge cake and firing it by a cement firing equipment. SOLUTION: This method comprises mixing and agitating the circulating dry powder of the flash dried sludge with the sludge cake and regulating the moisture thereof, then disintegrating the powder mixture in a disintegrating machine 24 of the flash drying machine 20, drying the powder mixture in a drying duct 26, collecting dust in a cyclone 28 to obtain the dry powder, blowing a specified amount of the dry powder into a rotary kiln 48 and utilizing the same as a portion of fuel for firing cement clinker, in which the high-temperature section of the cement firing equipment is utilized as a waste gas heating section for indirectly heating the waste gas of the drying machine and the waste gas of the flash drying machine is introduced into this waste gas heating section and is subjected to heating and deodorizing. The heated and deodorized waste gas is partly circulated to the disintegrating machine of the flash drying machine and the increased component of the gas is bled outside the system. The balance of the heated an deodorized waste gas and the waste gas from the cyclone 28 of the flash drying machine are heat exchanged with a heat exchanger 64 to preheat the waste gas from the cyclone.
    • 47. 发明专利
    • CALCINATION APPARATUS FOR CEMENT RAW MATERIAL
    • JP2001335347A
    • 2001-12-04
    • JP2000150057
    • 2000-05-22
    • KAWASAKI HEAVY IND LTD
    • KANAMORI SHOZOICHITANI NOBORUHAYASHI ISAOMURAO MIKIO
    • C04B7/44F27B7/32F27D13/00F27D17/00
    • PROBLEM TO BE SOLVED: To improve mechanism and structure of calcination furnace body in a calcination apparatus for cement raw material in order to improve supply of secondary air, supply of fuel, and flow of gas (mixed gas of kiln exhaust gas, fuel, raw material, and secondary air) in the furnace body so that a denitration rate of NOx in exhaust gas from the kiln of the calcination furnace in the above apparatus may be further enhanced. SOLUTION: In the calcination apparatus for cement raw material, reducing and denitrating action under an oxygen shortage atmosphere are promoted by generating circular flows in the rotary kiln exhaust gas in the furnace with the secondary air which is fed (46a) in a tangent line direction at a cylindrical part lower end of the furnace body (40) of the calcination furnace, and falling speed of the raw material is increased by making one part of a inside face of a conical part, which is located at the lower part of the furnace body, an plane face part flattened in a circumferential direction. When the secondary air feeding duct of the apparatus is tangentially connected to the furnace body, the secondary air feeding position is set to be a radial position of 0.5-0.8 Ro (wherein, Ro is an eccentric amount of the duct center).
    • 50. 发明专利
    • EXTERNAL HEATING ROTARY KILN
    • JP2000274949A
    • 2000-10-06
    • JP8271399
    • 1999-03-26
    • KAWASAKI HEAVY IND LTD
    • ICHITANI NOBORUMURAO MIKIO
    • F27B7/08F27B7/34
    • PROBLEM TO BE SOLVED: To reduce starting loss by disposing a heating furnace for heating the kiln body by introducing hot air to the periphery thereof and blowing a part of hot air for external heating into the kiln body thereby shortening the temperature rising time significantly when the operation is started. SOLUTION: When the operation is started, an on/off valve 26 is opened to introduce hot air generated from a hot air generator 23 into a heating chamber 3c from an air outlet 6. At the same time, it is introduced, along with an inert gas, into the kiln body 1 from a carrier gas introducing section 15a thus heating the kiln 1 simultaneously from the inside and the outside. When the temperature of the kiln body 1 increases to a specified level, the on/off valve 26 is closed. When a ferrite material A is fired under that state, it is carried by a screw conveyor 13 from a material throw-in section 14 into the kiln body 1. While turned the kiln body 1 slowly, heating chambers 3a-3c in a heating furnace 3 are heated up to set temperatures and the temperature on the inner wall face of a liner 21 in the kiln body 1 is measured by means of a thermocouple 18.