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    • 2. 发明专利
    • Heating method of continuous annealing furnace for metallic strip
    • 用于金属条的连续退火炉的加热方法
    • JPS61117228A
    • 1986-06-04
    • JP23766284
    • 1984-11-13
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • HARADA MASAHIROYANAGI KENICHIFUKUSHIMA TAKEOFURUKAWA KUSUOSOEDA NAOHIKO
    • C21D9/56C21D11/00
    • PURPOSE: To heat a strip in a manner as to adapt itself to the thickness change thereof by injecting a gas which is adjustable in temp. and flow rate to both or one side of the strip in a short period.
      CONSTITUTION: The strip 1 is heated only by the radiant tubes in the stage of stationary operation. The combustion rate of the radiant tube burners is increased when the thickness of the strip 1 increases. Gaseous HN is at the same time supplied from the bottom of a pebble heater 11 through a dust 13 and the gas heated to a high temp. is supplied to a plenum chamber 2. The gas is injected from gas jet nozzles 3 to both or one surface of the strip 1 so that the strip 1 attains the prescribed temp. in a short period. Part of the gaseous NH is bypassed when the thickness decreases. The mixing ratio of the gas in the heater 11 is then adjusted and the gas of low temp. is supplied for a short period.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过注入温度可调的气体来加热条带以适应其厚度变化。 并且在短时间内对带的两侧或一侧的流速。 规定:条带1仅在静止操作阶段由辐射管加热。 当带1的厚度增加时,辐射管燃烧器的燃烧速率增加。 气体HN同时由卵石加热器11的底部通过灰尘13供应,并将气体加热至高温。 被供应到增压室2.气体从气体喷嘴3喷射到条1的两个或一个表面,使得带1达到规定温度。 在短时间内。 当厚度减小时,部分气态NH被旁路。 然后调节加热器11中的气体的混合比,并且将低温气体 供应短期。
    • 3. 发明专利
    • Heating device of metallic strip continuous annealing furnace
    • 金属条连续退火炉加热装置
    • JPS61113727A
    • 1986-05-31
    • JP23408984
    • 1984-11-08
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • HARADA MASAHIROYANAGI KENICHIFUKUSHIMA TAKEOFURUKAWA KUSUONAKAJIMA YASUHISA
    • C21D9/56
    • PURPOSE: To obtain a titled heating device for controlling quickly a heating temperature in accordance with a variation of a heat load quantity by constituting it so that a gas jet device is provided extending from an appropriate area of the rear part of a heating zone to a heating area, and a gas for controlling a plate temperature is jetted to a metallic strip.
      CONSTITUTION: In a heating zone 14 and a soaking zone 15 of a metallic strip continuous annealing furnace, a gas jet device consisting of many radiant tubes 19, and plenum chambers 21 being adjacent to said tubes is provided as a heating device for heating a metallic strip 11 which runs through the inside of said furnace. As for said gas jet device, its front end part becomes the front end of the rear area of said heating zone 14 corresponding to 20W30% of a heat load variation quantity, and on the other hand, its rear end part is provided extending over the last part of the heating area, or on the whole of the soaking zone 15. When annealing the metallic strip 11, a plate temperature is controlled quickly by jetting a gas which has been set to the necessary temperature and flow rate, to the metallic strip 11, in accordance with a setting change of a heat cycle, a line speed, a plate thickness, etc.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了获得一种标称的加热装置,用于通过构成热容量的变化来快速控制加热温度,使得设置从加热区的后部的适当区域延伸到 加热区域和用于控制板温度的气体被喷射到金属带。 构成:在金属条连续退火炉的加热区域14和均热区域15中,提供由多个辐射管19和与所述管相邻的增压室21组成的气体喷射装置,用于加热金属 条11穿过所述炉的内部。 对于所述气体喷射装置,其前端部成为所述加热区域14的后部区域的前端,其对应于热负荷变化量的20-30%,另一方面,其后端部设置为延伸 在加热区域的最后部分,或整个均热区域15上。当对金属条11进行退火时,通过将已经设定为必要温度和流速的气体喷射到 金属带11,根据热循环的设定变化,线速度,板厚等
    • 4. 发明专利
    • Heating method of continuous annealing furnace for metallic strip
    • 用于金属条的连续退火炉的加热方法
    • JPS61117229A
    • 1986-06-04
    • JP23766384
    • 1984-11-13
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • HARADA MASAHIROYANAGI KENICHIFUKUSHIMA TAKEOFURUKAWA KUSUOSATO KUNIAKI
    • C21D9/56C21D11/00
    • PURPOSE: To prevent the deformation, etc., of nozzles owing to the thermal stress thereof by changing the combustion rate of radiant tubes and changing at the same time the gas flow rate from the nozzle prior to the change of a strip thickness.
      CONSTITUTION: The fuel supply rate from the combustion burners of the radiant tubes 4 is decreased before the stage of changing conditions in the stage of decreasing a heating rate when the thickness of the strip 1 decreases. On the other hand, the supply of a high temp. gas to a pebble heater 11 is stopped and gaseous NH is supplied from the bottom of the heater 11. The gaseous NH is increased in temp. by contacting with pebbles 10 up to the max. temp. in a short period and such high-temp.l gas is supplied to a plenum chamber 2. The gas heater to the high temp. is supplied gradually by as much as the quantity corresponding to the quantity of heat deficient for heating. As a result, the thermal deformation and breakdown of gas jet nozzles 3 by the effect of high temp. are prevented.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过改变辐射管的燃烧速率,同时在条带厚度变化之前同时改变喷嘴的气体流量,防止由于其热应力引起的喷嘴变形等。 构成:当带1的厚度减小时,在降低加热速率的阶段的变化条件的阶段之前,来自辐射管4的燃烧燃烧器的燃料供给速率降低。 另一方面,供应高温 停止向卵石加热器11的气体,并且从加热器11的底部供给气态NH。气态NH的温度升高。 通过与鹅卵石10接触达到最大值。 温度 在短时间内将这样的高温气体供给至增压室2。 逐渐提供与加热量不足的量相当的量。 结果,由于高温的影响,气体喷嘴3的热变形和击穿。 被阻止
    • 5. 发明专利
    • Cooling apparatus in continuous annealing line
    • 连续退火线上的冷却装置
    • JPS6130631A
    • 1986-02-12
    • JP14886584
    • 1984-07-18
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • MURAKAMI SHINJIROSAMEJIMA ICHIROFUKUSHIMA TAKEOYANAGI KENICHI
    • C21D9/573
    • PURPOSE: To heat-treat many kinds of steel sheet suitably to characteristics thereof, by combining suitably coolings by gas jet, roll and water in a strip cooling apparatus of the continuous annealing line.
      CONSTITUTION: A strip 0 is introduced to the first cooling zone 2 from a soaking zone 1, and can be cooled by blowing gas by a gas jet cooling means 21. Thereat, cooling quantity of the strip can be controlled by adjusting quantity of gas blowing. Next, the strip 0 is introduced to the second cooling zone 3 and cooled by winding it to the roll cooling the inner part of a roll cooling means 31. Winding angle of the strip can be regulated by moving the roll 31 in an arrow 35 direction. Next, the strip 0 is entered to the third cooling zone 4, can be held thermally or cooled slowly by a gas jet cooling means 41, then can be roll cooled by means 51 at the fourth cooling zone 5. At last, the strip 0 is entered to the fifth cooling zone 6, and can be cooled by dipping it in a water cooling vessel 61.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在连续退火线的带式冷却装置中通过气体喷射,辊和水的适当冷却来适当地对多种钢板进行热处理以达到其特性。 构成:条带0从均热区域1引入第一冷却区域2,并且可以通过气体喷射冷却装置21吹送气体来冷却。可以通过调节气体吹送量来控制带材的冷却量 。 接下来,条带0被引入第二冷却区域3并通过将其卷绕到冷却辊冷却装置31的内部部分的辊来冷却。可以通过沿着箭头35方向移动辊31来调节带材的卷绕角度 。 接下来,条带0进入第三冷却区域4,可以通过气体喷射冷却装置41被热保持或缓慢地冷却,然后可以在第四冷却区域5由装置51进行辊式冷却。最后,条带0 进入第五冷却区6,并且可以通过将其浸入水冷却容器61中来冷却。
    • 6. 发明专利
    • Method for controlling cooling speed of metal strip
    • 用于控制金属条的冷却速度的方法
    • JPS59104436A
    • 1984-06-16
    • JP21276682
    • 1982-12-06
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • SHIRAISHI NORIHISAHASHIMOTO OSAMUFUKUSHIMA TAKEOYANAGI KENICHI
    • B21B27/08C21D9/56C21D9/573
    • C21D9/561
    • PURPOSE:To properly control the cooling speed of a metal strip without changing a roll position, by adjusting the heat conductivity of an atmospheric gas by performing the compositional adjustment of the atmospheric gas of a cooling chamber having a cooling roll received therein. CONSTITUTION:A metal strip 4 subjected to heat treatment is guided to a cooling chamber 6 through a deflection roll 5 and a pair of seal rolls 7 for preventing the mutual communication of the atmospheric gases between a heating, holding and gradual cooling section 3 and the cooling chamber 6 and subsequently cooled to a predetermined temp. during the passing through the cooling rolls 8 in the chamber 6 in a zigzag pattern while successively contacted with said rolls 8. During this time, the H2-concn. in the atmospheric temp. in the chamber 6 is always monitored by a monitor device 10 and N2 and H2 are regulated to predetermined concns. through an H2-concn. indicator 11 by manipulating flow amount control valves 12, 13 of N2 and H2. In addition, the temp. of the metal strip 4 is measured by the outlet side strip temp. meter 18 provided to the outlet side of the chamber 6 while the difference of an objective temp. and the actual strip temp. is investigated and the H2-concn. in the chamber 6 is controlled corresponding to the deviation thereof by TIC 19 to control a cooling speed so as to obtain a desired outlet side strip temp.
    • 目的:通过对其中容纳有冷却辊的冷却室的气氛气体进行组合调节,通过调节大气气体的导热率来适当地控制金属带的冷却速度而不改变辊位置。 构成:经受热处理的金属带4通过偏转辊5和一对密封辊7被引导到冷却室6,用于防止加热,保持和逐渐冷却部分3之间的大气气体相互连通, 冷却室6,随后冷却至预定温度。 在腔8中以锯齿形图案通过冷却辊8,同时与所述辊8依次接触。在此期间,H2- 在大气温度 在室6中始终由监测装置10监测,并且N2和H2被调节到预定的浓度。 通过H2-concn。 指示器11通过操纵N2和H2的流量控制阀12,13。 另外, 通过出口侧带材温度测量金属带材4的厚度。 设置在室6的出口侧的仪表18, 和实际钢带温度。 被调查和H2-浓度。 通过TIC19对腔室6的偏差进行控制,以控制冷却速度,从而获得期望的出口侧带材温度。
    • 7. 发明专利
    • Heating method of continuous annealing furnace for metallic strip
    • 用于金属条的连续退火炉的加热方法
    • JPS61117227A
    • 1986-06-04
    • JP23766184
    • 1984-11-13
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • HARADA MASAHIROYANAGI KENICHIFUKUSHIMA TAKEOFURUKAWA KUSUOOOTA NORIO
    • C21D9/56C21D11/00
    • PURPOSE: To heat a strip in a manner so as to adapt itself to the thickness change thereof by injecting a gas which is controllable in temp. and flow rate for a short time to the strip from between radiant tubes.
      CONSTITUTION: The strip 1 is heated only by the radiant tubes 4 in the stage of stationary operation. The combustion rate of the burner of the tubes 4 is increased when the thickness of the strip 1 increases. Gaseous HN is at the same time supplied from the bottom of a pebble heater 11 through a duct 13 and the gas heated to a high temp. is supplied to a plenum chamber 2. The gas is injected from gas jet nozzles 3 to the strip 1 so that the strip 1 attains the prescribed temp. in a short period. Part of the gaseous HN is bypassed when the thickness of the strip decreases. The mixing ratio of the gas in the heater 1 is then adjusted and the gas of low temp. is supplied in a short period.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过注入温度可控的气体来加热条带以适应其厚度变化。 并且从辐射管之间到条带的短时间的流速。 构成:条1在静止操作阶段仅被辐射管4加热。 当带1的厚度增加时,管4的燃烧器的燃烧速率增加。 气体HN同时从卵石加热器11的底部通过管道13供应,并且气体被加热到高温。 被供应到增压室2.气体从气体喷嘴3喷射到条带1,使得条带1达到规定温度。 在短时间内。 当带的厚度减小时,部分气态HN被旁路。 然后调节加热器1中的气体的混合比,并将低温气体 在短时间内提供。
    • 8. 发明专利
    • Roll cooling method of thin steel sheet in continuous annealing
    • 连续退火薄钢板的冷轧冷轧方法
    • JPS5956532A
    • 1984-04-02
    • JP16636582
    • 1982-09-24
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • HASHIMOTO OSAMUSAKAMOTO YOSHIOFUKUSHIMA TAKEOYANAGI KENICHI
    • C21D1/00C21D9/573
    • C21D9/573
    • PURPOSE:To improve an aging characteristic, yield characteristic and ductility by bringing a thin steel sheet into contact with plural cooling rolls after soaking and cooling the same under the specific conditions for the radius of a cooling roll having the larger diameter of two cooling rolls, the max. winding angle of the thin steel sheet on the cooling rolls, the distance between the two faces bisecting the winding angle of the two adjacent rolls and the passing speed of the thin steel sheet. CONSTITUTION:A thin steel sheet is brought into contact with plural cooling rolls after soaking in continuous annealing of said sheet and is cooled under the conditions satisfying the equation I and the equation II. In the equations, R; the radius (m) of the cooling roll having the larger diameter of the two adjacent cooling rolls, thetaM; the max. winding angle (angle of roll center) (degree) at which the thin steel sheet can be wound on the cooling rolls), LS; the passing speed (m/min) of the thin steel sheet, D; the distance (m) between the two faces bisecting the respective winding angles of the two adjacent rolls.
    • 目的:通过在具有两个冷却辊的直径较大的冷却辊的半径的特定条件下使薄钢板与多个冷却辊接触并冷却之后,通过使多个冷却辊接触而提高老化特性,屈服特性和延展性, 最大 薄钢板在冷却辊上的卷绕角度,将两个相邻辊的卷绕角度相等的两个面之间的距离和薄钢板的通过速度。 构成:在所述片材的连续退火中浸泡之后,使薄钢板与多个冷却辊接触,并在满足式I和式II的条件下冷却。 在等式中,R; 两个相邻的冷却辊的直径较大的冷却辊的半径(m) 最大 LS为冷却辊上卷绕薄钢板的卷绕角度(卷轴中心角度)(度)) 薄钢板的通过速度(m / min)D; 两个面之间的距离(m)将两个相邻辊的各个卷绕角度相等。
    • 9. 发明专利
    • Method and device for cooling metallic strip
    • 用于冷却金属条的方法和装置
    • JPS5931830A
    • 1984-02-21
    • JP13979482
    • 1982-08-13
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • YANAGI KENICHIFUKUSHIMA TAKEOSUGANUMA NAMIOSAMEJIMA ICHIROU
    • C21D1/00C21D9/573
    • C21D9/5737
    • PURPOSE:To prevent the generation of shape defects in a metallic strip by cooling the metallic strip with cooling rolls which permit cooling of a gaseous heat medium sealed therein and evaporating at high temp. with heat transmission tubes for cooling provided in said rolls. CONSTITUTION:A metallic strip 1 is put on >=1 pieces of hollow cooling rolls 2 provided in a cooling zone in a heat treatment line and is brought into contact with the rolls 2, by which the strip is cooled. The gaseous heat medium 5 sealed in the rolls 2 is cooled and condensed on the outside surface of heat transmission tubes 12 for cooling and forms liquid drops 13, which fall onto the inside walls of the rolls 2 and stick thereon, then the medium is again gasified by the heat from the strip 1. The temp. difference between the temp. at which the contact of the strip 1 initiates and the temp. of the rolls 2 is maintained within a permissible limit by a method of controlling the gaseous pressure of the medium 5, etc. and the generation of the shape defects in the strip 1 is prevented according to the above-mentioned method.
    • 目的:为了防止金属带形成缺陷,通过用冷却辊冷却金属带,该冷却辊允许密封在其中并在高温下蒸发的气态热介质的冷却。 在所述辊中设置用于冷却的传热管。 构成:将金属带1放置在设置在热处理线的冷却区中的= = 1个空心冷却辊2上,并与辊2接触,通过该辊2冷却带。 密封在辊2中的气态热介质5在传热管12的外表面被冷却并冷凝,以冷却,并形成液滴13,液滴13落在辊2的内壁上并粘贴在其​​上,然后介质再次 由带钢1的热量气化。 温度差 条带1的接触开始时, 通过控制介质5的气体压力等的方法将辊2保持​​在允许的极限内,并且根据上述方法防止了条带1中的形状缺陷的产生。
    • 10. 发明专利
    • Cooling method of metallic strip by cooling roll
    • 通过冷却辊冷却金属条的方法
    • JPS5923826A
    • 1984-02-07
    • JP13045782
    • 1982-07-28
    • Kawasaki Steel CorpMitsubishi Heavy Ind Ltd
    • FUKUSHIMA TAKEOYANAGI KENICHIUMEMOTO SUMIOSAMEJIMA ICHIROU
    • C21D1/00C21D9/573
    • C21D9/573
    • PURPOSE:To cool continuously and efficiently a high temp. metalllic strip without disturbance in its shape by specifying the fall rate of the critical temp. for each one piece of cooling rolls in said strip. CONSTITUTION:A high temp. metallic strip is run at a specified speed in contact with a cooling roll and is thus cooled. The flow of the refrigerant to be flowed in cooling rolls and rolls is set within the range where the fall rate DELTATSCR of the critical temp. for each one piece of the rolls is expressed as the related equation (the temp. in the strip before contact with the roll TS1, the temp. difference in temp. before and after the contact with the roll DELTATS). The high temp. metallic strip is continuously cooled by combining 1- plural pieces of such rolls. The generation of crease, buckling, etc. in the strip is virtually eliminated by the above-mentioned cooling method, and the commodity value is improved.
    • 目的:持续高效地冷却高温。 通过指定临界温度的下降率,在其形状上无干扰的金属条带。 对于所述条中的每一个冷却辊。 构成:高温 金属带以与冷却辊接触的指定速度运行并因此被冷却。 在冷却辊和辊中流动的制冷剂的流量设定在临界温度的下降率DELTATSCR的范围内。 对于每一个辊,表示为相关方程(在与辊TS1接触之前的条中的温度,与辊DELTATS接触之前和之后的温度差)。 高温 金属条通过组合1-多片这样的辊而连续冷却。 通过上述冷却方法实际上消除了带材中的折痕,屈曲等的产生,并且商品价值得到改善。