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    • 3. 发明专利
    • Automtic ash discharging device for fluidized bed
    • 用于流化床的自动排气装置
    • JPS58213107A
    • 1983-12-12
    • JP9537582
    • 1982-06-02
    • Kawasaki Heavy Ind Ltd
    • SUZUKI KAZUHIKONAKAO KIMIHIROFURUYAMA MASAYUKI
    • F23J1/02F23C10/24F23J3/06
    • F23C10/24
    • PURPOSE:To easily control discharge of ashes by opening and closing a motor- operated valve in an air jet pipe, by a method wherein an ash discharge pipe connected to an under surface of a fluidized bed has an intermediate part bent in a V-shape, and the air jet pipe is linked to said bent part. CONSTITUTION:A coal burning fluidized bed type boiler 6 is constituted such that coal is charged into a fluidized bed 8 through a charging port 10, and the fluidized bed 8 is formed on an air dispersion plate 1 partitioning wind box 9 positioned at the lower part of the boiler. In which case, an ash discharge pipe 11 is connected in a downward manner to the air dispersion plate 1, the discharge pipe 11 is bent in an about V-shape outside the boiler 6, and is connected to an ash box 5 mounted on the side of the boiler 6. An air pipe 12 is coupled to the bent part of the ash discharge pipe 11, and a motor-operated valve 13 is situated on the pipe 12. With the motor-operated valve 13 opened when the worsening fluid state of the fluidized layer 8 is detected, a high pressure air is jetted through the jet pipe 12 to pneumatically convey the ashes through the ash discharge pipe 11 to the ash box 5.
    • 目的:为了通过打开和关闭空气喷管中的电动阀来容易地控制灰分排放,其中连接到流化床底表面的灰分排放管具有弯曲成V形的中间部分 并且空气喷射管与所述弯曲部连接。 构成:燃煤流化床型锅炉6构成为通过加料口10将煤加入到流化床8中,并且流化床8形成在分散在位于下部的风箱9的空气分散板1上 的锅炉。 在这种情况下,排灰管11向下与空气分散板1连接,排出管11在锅炉6外弯曲成大致V字状,并与安装在该散热板1上的灰箱5连接 锅炉6的一侧。空气管12与灰喷出管11的弯曲部分连接,电动阀13位于管12上。电动阀13在流化状态恶化时打开 检测流化层8时,通过喷射管12喷射高压空气,将灰分通过灰分排出管11气化输送到灰箱5。
    • 5. 发明专利
    • FLUIDIZED BED COMBUSTION EQUIPMENT PROVIDED WITH LOAD REGULATING FUNCTION AND OPTIMUM FLUIDIZING FUNCTION
    • JPS57166411A
    • 1982-10-13
    • JP5070681
    • 1981-04-04
    • KAWASAKI HEAVY IND LTD
    • SUZUKI KAZUHIKONAKAO KIMIHIROKATOU NAOKI
    • F23C10/00F23C10/14F23C10/28F23C11/02
    • PURPOSE:To realize favorable fluidized state to establish large turn down ratio and as well as contrive sharp cost reduction by a structure wherein an air dispersion plate equipped at the lower end of a fluidized bed combustion chamber is arranged at the central part of said lower end with the fixed distance apart from a vertical peripheral water-cooled wall of the fluidized bed combustion chamber. CONSTITUTION:The tubular fluidized bed combustion chamber 8 is formed by the water-cooled wall composed of a large number of straight water pipes 7 vertically arranged surrounding a fluidized bed 6. The air dispersion plate 10 is arranged at the lower part of the fluidized bed 6 with the fixed distance apart from said water-cooled wall. Owing to the structure as described above, the bending part of water-cooled wall and the installation of refractory material become unnecessary at all. Furthermore, the area of the air dispersion plate 10 is rendered to be smaller than the cross-sectional area at the lower part of the fluidized bed combustion chamber. The air dispersion plate 10 is located at the central part of the bottom of the fluidized bed combustion chamber so as to form a fluidizing zone 11 and a stationary zone 12. The inclination angle of the boundary 13 between the fluidizing zone 11 and the stationary zone 12 is so constituted as to be changed in accordance with the change of load. In other words, the fluidizing zone 11 and the stationary zone 12 can be changed in accordance with the change of combustion load so as to realize spontaneous fluidizing state by changing the inclination angle of the boundary 13 between the fluidizing zone 11 and the stationary zone 12.
    • 8. 发明专利
    • Starting device of fluidize-bed boiler
    • 流化床锅炉启动装置
    • JPS59107106A
    • 1984-06-21
    • JP21674082
    • 1982-12-09
    • Kawasaki Heavy Ind Ltd
    • SUZUKI KAZUHIKONAKAO KIMIHIROFURUYAMA MASAYUKI
    • F22B1/02F23C10/18
    • F23C10/18F23C2900/99006
    • PURPOSE:To reduce the number of fans, by a method wherein in-bed burners are connected to a main fan through branch pipes for feeding the air for combustion from the main fan. CONSTITUTION:The air for combustion, fed from a main fan 4, enters air boxes 3A-3D through control dampers 1A-1D from a main pipe 5 and is fed through an air dispersion branch 2 into fluidized beds A-D. In-bed burners 7A and 7D are mounted to the sides of only the two fluidized beds A and D selected from the four fluridized beds, and have small combustion chambers 8A and 8D, respectively, the burners being coupled to a main pipe 5 through branch pipes 5A and 5D provided with control dampers 2A and 2D located thereon. This permits elimination of a fan for the in-bed burner.
    • 目的:为了减少风扇数量,通过其中床上燃烧器通过用于从主风扇供给燃烧空气的分支管连接到主风扇的方法。 构成:从主风扇4供给的燃烧用空气从主管5通过控制阻尼器1A-1D进入空气箱3A-3D,并通过空气分散分支2进入流化床A-D。 床上燃烧器7A和7D安装在仅从四个氟化床中选择的两个流化床A和D的侧面,并且分别具有小的燃烧室8A和8D,燃烧器通过分支 管5A和5D设置有位于其上的控制阻尼器2A和2D。 这样可以消除床上燃烧器的风扇。
    • 9. 发明专利
    • STRUCTURE OF COMBUSTION CHAMBER IN BOILER OF FLUIDIZED-BED COMBUSTION TYPE
    • JPS5824711A
    • 1983-02-14
    • JP12345881
    • 1981-08-05
    • KAWASAKI HEAVY IND LTD
    • SUZUKI KAZUHIKONAKAO KIMIHIRO
    • F23C10/28F23C10/00F23C11/02
    • PURPOSE:To control the height of static bed of a fluidized medium to a predetermined value, by determining the height of a bulkhead to the extent that particles of fluidized medium can jump over it, as well as to provide passing holes to the bulkheads between adjoining small chambers in the range of the height of static bed of a fluidized medium. CONSTITUTION:The height Ha of a bulkhead 10 is determined so as to be higher than the maximum height of a fluidized bed 9 at the time when the fluid medium 5 is fluidized, and to the extent that scattering particles of fluidized medium can fly over it. Besides, passing holes 11 which interconnect adjoining small chambers 1a and 1b, and 1b and 1c, respectively, are provided to bulkheads 10 which partition off a combustion chamber 1 into a plurality of small chambers 1a-1c, in the lower positions than the height of static bed of fluid medium 5. When a small chamber 1b is operated, the particles, flying over from the fluidized bed 9, fall down into the adjoining small chambers 1a and 1c which are not working at the time. On the other hand, since the density of a fluidized medium 5 in the working small chamber 1b is lower than the small chambers 1a and 1c which are at rest, the fluidized medium 5 moves to the working chamber 1b from small chambers 1a and 1c which are at rest, passing through the passing holes 11. In such a manner, the height of static bed of a fluidized medium 5 can be kept on a fixed value.
    • 10. 发明专利
    • Fluidized bed structure of fluidized-bed boiler
    • 流化床锅炉的流化床结构
    • JPS59167609A
    • 1984-09-21
    • JP4095383
    • 1983-03-12
    • Kawasaki Heavy Ind Ltd
    • SUZUKI KAZUHIKONAKAO KIMIHIROFURUYAMA MASAYUKI
    • F22B1/02F23C10/00F23C10/18
    • PURPOSE: To enable the use of a starting fluidized bed part even during actual operation and to prevent excessive growth of air bubble, by a method wherein heat transfer tubes located in a fluidized bed are aligned so that they form wall surfaces which divide a fluidized bed into small vertically-divided sections, and are disposed so that they have spacings sufficient to allow free movement of fluid medium through the wall surface to an adjoining section.
      CONSTITUTION: Heat transfer tube 6 located in a fluidized bed are disposed so that they form wall surfaces which divide a fluidized bed into small sections. The wall surfaces are communicated with each other by means of spacings so that fluid medium, such as silica sand, limestone, can move to an adjoining section therethrough. Further, right below the heat transfer tubes mounted in the fluidized bed which are disposed in a manner to have the wall surface constitution in a manner described above, nozzle holes 4 for blow-off air are provided. Further, horizontal columns 9, being a non-pressure resistant part, are disposed in a checkered manner. The arrangement may be, of course, made in zigzag, and it is essential that air bubbles, being the air blown off through the holes 4, are properly divided by the horizontal columns 9 which are best disposed so that the air bubbles are prevented from being put together to grow into bigger than a given size.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:即使在实际操作中也能使用起始流化床部件,并且通过将位于流化床中的传热管排列成使其形成分隔流化床的壁表面的方法来防止气泡的过度生长 设置成小的垂直分割部分,并且被设置成使得它们具有足以允许流体介质通过壁表面自由移动到相邻部分的间隔。 构成:位于流化床中的传热管6被设置成使得它们形成将流化床分成小部分的壁表面。 壁表面通过间隔彼此连通,使得诸如硅砂,石灰石的流体介质可以移动到穿过其中的相邻部分。 此外,安装在以上述方式设置为具有壁面构造的流化床中的传热管的正下方,设置有用于吹出空气的喷嘴孔4。 此外,作为非耐压部分的水平柱9以方格方式设置。 该布置当然可以以锯齿形形成,并且必须使通过孔4吹出的空气的气泡被最佳布置的水平柱9适当地分开,使得防止气泡 被放在一起成长到比给定的大小更大。