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61. 发明专利

JPH0828844A METHOD AND APPARATUS FOR FLUIDIZED BED REFUSE INCINERATION 失效
公开(公告)号：JPH0828844A
公开(公告)日：1996-02-02
申请号：JP18645094
申请日：1994-07-15
申请人： KAWASAKI HEAVY IND LTD
发明人： TAKADA TOMOAKI , TSUTSUMI KAZUO , KATAHATA TADASHI , MURAOKA TOSHINORI
IPC分类号： F23G5/30 , B01D53/68
摘要： PURPOSE:To provide a method and an apparatus for fluidized bed refuse burning in a fluidized bed refuse burning furnace in which there is reduced an influence of harmful gas such as hydrogen chloride in a heat exchanger part, etc. CONSTITUTION:There are provided processes of (a) a drying/thermal decomposition process in which refuse is dried and thermally decomposed with hot air in a drying furnace 12 and is separated to unburnt gas containing water vapor and hydrogen chloride and unburnt solid, (b) an unburnt solid burning process in which the unburnt solid is introduced into a fluidized bed burning furnace 16 and a desalting agent is supplied to a fluidized bed 18 for burning, and (c) an unburnt gas burning/desalting process in which unbburnt gas containing water vapor and hydrogen chloride is introduced into the fluidized bed burning furnace 16 and is burned, and the hydrogen chloride and a desalting agent contained in waste gas are brought into a reaction for desalting.

62. 发明专利

JPH07167408A INDUCTION DISPERSING METHOD FOR FLUIDIZED BED AND INDUCTION DISPERSING PLATE 失效
公开(公告)号：JPH07167408A
公开(公告)日：1995-07-04
申请号：JP34354393
申请日：1993-12-15
申请人： KAWASAKI HEAVY IND LTD
发明人： TSUTSUMI KAZUO , TAKADA TOMOAKI
IPC分类号： F23C10/00 , B01F3/06 , B01J8/00 , B01J8/24 , F23C10/18 , F23C11/02
摘要： PURPOSE:To easily manufacture a low-cost apparatus by forming a gas dispersing plate in an ejector structure, and regulating a pressure of a wind box (or a free board of a lower stage) and a pressure of the board of an upper side to substantially atmospheric pressure in a method for dispersing gas to form a fluidized bed and the plate. CONSTITUTION:A gas dispersing plate for forming a fluidized bed by dispersing gas into fluidized medium comprises a fluidized bed support plate 30 provided on a lower surface of a fluidized bed 12 and formed with an opening 32, a diffuser 34 having an outlet mounted in the opening 32, and a gas injection nozzle 36 disposed in the inlet of the diffuser 34. Gas near the nozzle is sucked into a suction chamber 38 of the inlet of the diffuser 34 to form an ejector 40.

63. 发明专利

JPH07163945A CENTRIFUGAL FLUIDIZED BED SEPARATION FOR MIXTURE OF DIFFERENT POWDERS AND DEVICE THEREFOR 失效
公开(公告)号：JPH07163945A
公开(公告)日：1995-06-27
申请号：JP34354493
申请日：1993-12-15
申请人： KAWASAKI HEAVY IND LTD
发明人： TSUTSUMI KAZUO , TAKADA TOMOAKI
IPC分类号： B07B4/08 , B01J8/38
摘要： PURPOSE:To effectively separate particles even when they are solid by fluidizing a mixture of different powders in a centrifugal fluidized bed and keeping a space velocity not more than that obtained in such a condition as not to fluidize at least one kind of powder particle to generate the particle segregation. CONSTITUTION:A casing 10 has an introducing port 12 for fluidizing gas opened in the upper part and also accomodates a gas dispersing plate 14. The gas dispersing plate 14 is provided with end plates 16, 18 at both ends and rotated around a central axis line C, and also centrifugal fluidized beds 20, 22 for a mixture of different powders are formed inside the gas dispersing plate 14. An exhaust pipe 29 is connected to one end plate 16. The mixture of different powders is introduced into the casing 10 and particles of large particle diameter or of high density are segregated on the gas dispersing plate 14 side to form a nonfluidized bed 48, and also a fluidized bed 50 consisting of particles of small particle diameter or of low density is formed inside the bed 48. After that, the fluidized bed 50 is taken out to the outside of the system to allow the separation of one powder particles.

64. 发明专利

JPH0783422A REMOVING METHOD FOR HYDROGEN CHLORIDE OF FLUIDIZED BED REFUSE INCINERATOR 失效
公开(公告)号：JPH0783422A
公开(公告)日：1995-03-28
申请号：JP18544393
申请日：1993-06-28
申请人： KAWASAKI HEAVY IND LTD
发明人： TAKADA TOMOAKI , TSUTSUMI KAZUO , KATAHATA TADASHI , MURAOKA TOSHINORI
IPC分类号： B01D53/34 , F23G5/30
摘要： PURPOSE:To raise a contact efficiency of desalting agent with hydrogen chloride, to reduce a using amount of the agent and to decrease corrosion of a heat transfer tube by mixing the agent with refuse to be discarded in a fluidized bed. CONSTITUTION:A fluidized bed refuse incinerator 10 has a fluidized bed 12 at a bottom, and an air dispersing plate 14, an exhaust tube 16, a free board 18, a refuse inlet 20 and a desalting agent supply port 22. Desalting agent is previously mixed with refuse 21, and charged from the inlet 20. In this case, it is preferable to sprinkle powder particles of the agent over the refuse 21 and to charge it. The agent charged in the layer 12 is reacted with HCl generated by combustion of the refuse 21 to become metal oxide, and desalted. Further, the agent is mixed with the refuse 21, supplied, and the agent can be also supplied from the port 22. When CaO is used as the agent, as the layer temperature is controlled to 400-600 deg.C, HCl concentration can be set to about 320ppm or less.

65. 发明专利

JPH06165916A CENTRIFUGAL FLUIDIZED BED DUST REMOVAL/DESULFURIZING/ DENITRIFYING DEVICE 失效
公开(公告)号：JPH06165916A
公开(公告)日：1994-06-14
申请号：JP34124792
申请日：1992-11-27
申请人： KAWASAKI HEAVY IND LTD
发明人： TSUTSUMI KAZUO , TAKADA TOMOAKI , SAKAKIDA YASUSHI
IPC分类号： B01D46/32 , B01D53/34 , B01D53/60 , B01D53/74 , B01D53/86 , B01D53/94 , B01J8/38 , B01D53/36
摘要： PURPOSE:To perform dust removal, desulfurization and denitrification with high performance for a long period by constituting a device so that waste gas contg. soot and dust, SOx and NOx may be introduced into a two-stage centrifugal fluidized bed to perform the dust removal by a dispersing plate, the desulfurization in a 1st stage fluidized bed and the denitrification in a 2nd stage fluidized bed. CONSTITUTION:An inside dispersing plate 17 consisting of a perforated cylinder is installed inside the dispersing plate 16 of a reactor 14. Desulfurizing fluidization particles 44 are filled into inside the outside dispersing plate 16 and simultaneously denitrifying fluidization particles 46 are filled into inside the inside dispersing plate 17. The soot and dust having coarse particles in waste gas are stuck to the outer surface of the outside dispersing plate 16 ant the deposited soot and dust are flied by centrifugal force to be retained in a soot and dust receiver provided on the lower part of a casing 12. The SOx in waste gas is removed by an outside desulfurizing fluidizd bed 40 and the NOx is removed by an inside denitrifying fluidized bed 42. The soot and dust of small particle diameter is removed by the desulfurizing fluidized bed 40 and the denitrifying fluidized bed 42. Consequently since gas throughput is made large, the whole equipment is miniaturized. Also waste gas is treated with high performance for a long period without inactivating the nitrifying catalyst by SOx.

66. 发明专利

JPH0674435A METHOD AND DEVICE FOR CONTROLLING COMBUSTION IN FLUIDIZED BED FURNACE 失效
公开(公告)号：JPH0674435A
公开(公告)日：1994-03-15
申请号：JP22862492
申请日：1992-08-27
申请人： KAWASAKI HEAVY IND LTD
发明人： YAMAMOTO KAZUMITSU , MIYAMOTO YUICHI , HAYASHI MASATO , MIYAZAKI HIDETAKA , FUJIYAMA HIROSHI , NANBU EIICHIRO , TAKEMOTO KINYA , TAKADA TOMOAKI
IPC分类号： F23G5/50
摘要： PURPOSE:To suppress an increase of CO concentration and the generation of dioxin caused thereby by a method wherein, when the load current flowing to a driving motor for feeding the subject for incineration has increased, the flow-rate of secondary air is increased in keeping with the elevation of the furnace-gas temperature. CONSTITUTION:A time lag TD is set by detecting, by the use of a current detective means 23, the load current flowing to a motor 14 which is provided in a means 10 for feeding the subject for incineration. The period of time selected for the time lag TD is the interval from the change of the load current to the change of the furnace pressure when a damper 17 keeps the flow-rate of secondary air constant. At the time that the time lag TD has elapsed, the furnace-gas temperature is measured by a temperature detective means 28 provided in the freeboard of the furnace body 2. When the load current to the motor 14 has increased and the furnace-gas temperature has risen, the flow-rate of secondary air is increased. As a result, an increase of CO concentration is suppressed.

67. 发明专利

JPH0532673B2 失效
公开(公告)号：JPH0532673B2
公开(公告)日：1993-05-17
申请号：JP14027884
申请日：1984-07-06
申请人： KAWASAKI HEAVY IND LTD
发明人： TAKADA TOMOAKI , TATEBAYASHI JUN
IPC分类号： F27B15/10

68. 发明专利

JPH0596150A GRAVITY VARIABLE FLUIDIZED BED EQUIPMENT 失效
公开(公告)号：JPH0596150A
公开(公告)日：1993-04-20
申请号：JP25661291
申请日：1991-10-03
申请人： AGENCY IND SCIENCE TECHN , KAWASAKI HEAVY IND LTD
发明人： KAWABATA JUNICHI , TAKEUCHI HIROSHI , CHIBA SHIGEO , TAKADA TOMOAKI , TSUTSUMI KAZUO , SAKAKIDA YASUSHI , MATSUMURA HIROYUKI
IPC分类号： B01J8/24 , B01J8/38 , B22F3/02 , B22F3/03 , B22F3/035 , F23C10/00
摘要： PURPOSE:To perform extremely slow operation and reaction in a fluidized bed. CONSTITUTION:In a cylindrical vessel 1, for example, an fan for feeding air and a motor for turning the cylindrical vessel 1 are installed and the revolution of the motor is determined so that the acceleration of centrifugal force generated by the rotation of a fluidized bed part formed by the cylindrical vessel 1 may range from 10 G to 1G. In the fluidized bed part 4, for example, silicon nitride is put. Air fed by the fan passes through blowholes 6 from a introducing pipe part 5 and flows in the fluidized bed 4 from the peripheral part of the fluidized bed 4 by dispersing plates 7, causing solid particles inside the bed to be fluidized. Therefore, with an acceleration field of 1G or less, extremely show operation and reaction are performed.

69. 发明专利

JPH0524891A POWDER GRANULATING FACILITIES 失效
公开(公告)号：JPH0524891A
公开(公告)日：1993-02-02
申请号：JP20241491
申请日：1991-07-16
申请人： KAWASAKI HEAVY IND LTD
发明人： TSUTSUMI KAZUO , TAKADA TOMOAKI , KUMAGAI CHIKANORI
IPC分类号： C04B7/45 , B01J2/16 , C04B7/40
摘要： PURPOSE:To inexpensively control accuracy of particle size and to improve simplification of granulating operation by granulating raw material powder by facilities consisting of two furnaces of a granulating furnace of seed nucleus formation and a granulating furnace for adhesion and granulation. CONSTITUTION:Cement raw material powder is collected by a cyclone C2, etc., and thrown through a sealing valve 4 and an electrically-driven distributing valve 5 to a powder granulating device A. Then, part of the raw material powder distributed by the valve 5 is sent from a chute 6 to a seed nucleus forming furnace 7 for granulation of jet flow type and the rest is fed from a chute 8 to a granulating furnace 9 for adhesion and granulation. Then the raw material powder thrown to the furnace 7 is heated by a burner 10 to form seed nuclei (fine particles), the prepared fine particles are sent through an airtight discharging device 11 to the furnace 9, the cement raw material powder to which a fluidized medium (BM) is stuck is bonded to the fine particles and enlarged to give granules having desired particle diameters of 2-3mm. Then the prepared granules are fed through an L valve 13 to a burning furnace 14 and burnt to give cement clinker.

70. 发明专利

JPH0416705B2 失效
公开(公告)号：JPH0416705B2
公开(公告)日：1992-03-24
申请号：JP7546387
申请日：1987-03-27
申请人： KAWASAKI HEAVY IND LTD
发明人： TATEBAYASHI JUN , TAKADA TOMOAKI , KUMAGAI CHIKANORI
IPC分类号： C04B7/45 , F27B15/00

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