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61. 发明专利

JPS62177217A INFUSIBILIZATION FURNACE OF CONTINUOUS CARBON FIBER BELT 失效
公开(公告)号：JPS62177217A
公开(公告)日：1987-08-04
申请号：JP1725686
申请日：1986-01-29
申请人： MITSUBISHI HEAVY IND LTD
发明人： YOSHIHARA AKIYO , HAMANAKA SUKEAKI , YUZAKI YOSHIHIRO , SUEDA MINORU , IIFUSHI JUNICHI , TSUKAMOTO HIDEO
IPC分类号： D01F9/32 , D01F9/14 , D01F9/145
摘要： PURPOSE:To miniaturize a furnace and reduce production cost, by providing air-permeable belt conveyors in plural stages in a furnace, moving a cottonlike fiber group on a continuous belt in a zigzag direction, independently controlling the temperature of each stage and dividing the stages with partition walls. CONSTITUTION:A fiber group continuous belt 10 is moved in a zigzag direction from an opening part (1a) to an opening part (1b) and air 3 is blown through manholes 2. The temperature of each stage is controlled by the calorific value of heaters (6a)-(6e) and an air flow rate controlling mechanism of partition walls (4a)-(4e). The heaters (6a)-(6e) are arranged in many rows and rising hot air streams are passed therethrough, heated and then direction upward.

62. 发明专利

JPS62112792A DESCALING DEVICE FOR STAINLESS STEEL SHEET 失效
公开(公告)号：JPS62112792A
公开(公告)日：1987-05-23
申请号：JP25282885
申请日：1985-11-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： FURUSAWA YUJI , YOSHIHARA AKIYO
IPC分类号： C23G3/02
摘要： PURPOSE:To speed up the descaling of stainless steel by using a coating roll which is touched with stainless steel sheet and coated with an alkali aq. soln. thereon in combination with a transfer roll transferring the alkali aq. soln. on this roll. CONSTITUTION:After stainless steel 1 is annealed in an annealing furnace 2, it is cooled with cooler 5. Then it is alkali-coated by means of an alkali coating device 4 and thereafter it is heated, washed with water and pickled to be descaled. The coating device 4 consists of a rubber roll 22, a metallic roll 23 and the tank 24 of an alkali soln. and the alkali aq. soln. incorporated in the tank 24 is transferred on the surface of the rubber roll 22 and entered into the groove of the roll 23 and coated on the surface of steel sheet 1 to perform descaling. In descaling of stainless steel sheet due to this device, the consumption of alkali can be reduced and the speedup of a line is enabled.

63. 发明专利

JPS6250008A ROLLING MILL 失效
公开(公告)号：JPS6250008A
公开(公告)日：1987-03-04
申请号：JP18979985
申请日：1985-08-30
申请人： MITSUBISHI HEAVY IND LTD
发明人： OTSUKA SHINICHIRO , NAKAMURA MICHIHIRO , YANAGI KENICHI , YOSHIHARA AKIYO
IPC分类号： B21B1/46 , B21B13/00
摘要： PURPOSE:To control the size of a sheet thickness with good accuracy by backing up and bending work rolls by the high-pressure fluid injected from backup nozzles and controlling the pressure of the high-pressure fluid. CONSTITUTION:The spacing between the upper and lower work rolls 11 and 12 is set in the stage of rolling a thin sheet 10 fed from a temp. controller B. The backup nozzles 23, 24 are also vertically moved in this stage while the spacings from the rolls 11, 12 are maintained. The work rolls 11, 12 are respectively pressurized by the backup rolls 13, 15 in the case of rolling the thin sheet 10 by the work rolls 11, 12. The high-pressure water is at the same time forced into the backup nozzles 23, 24 so that the high-pressure water is injected from injection holes 25, 28 to the rolls 11, 12 respectively. The sheet thickness size in the transverse direction of the rolled sheet 10 is measured by a sheet thickness control device and the pressure of the high-pressure water, i.e., the bending rate of the respective rolls 11, 12 is adjusted by which the size of the sheet thickness is accurately controlled.

64. 发明专利

JPS61293638A DEVICE FOR PREVENTING BULGING 失效
公开(公告)号：JPS61293638A
公开(公告)日：1986-12-24
申请号：JP13310685
申请日：1985-06-20
申请人： MITSUBISHI HEAVY IND LTD
发明人： YANAGI KENICHI , YOSHIHARA AKIYO
IPC分类号： B22D11/06 , B22D11/16
摘要： PURPOSE:To prevent the generation of bulging and to stably and continuously cast a thin sheet by supplying gas to the space between twin drums and box bodies having labyrinth seals from the box bodies so that the pressure in the space is balanced with the static pressure of a molten steel. CONSTITUTION:The sealing space 14 is formed of the box bodies 8, 8' having the labyrinth seals on the opposed surfaces of a pair of the horizontally and parallel disposed drums 1, 1' an ingot 3, the above-mentioned drums 1, 1', the ingot 3 and side sealing plates (not shown) in a twin drum type continuous casting machine for a thin sheet which yields the ingot 3 by rotating the drums 1, 1', cooling the molten metal in the space therebetween and joining the solidified shells formed on the surfaces of the drums 1, 1'. the pressure in the above- mentioned space 14 is fed as a pressure signal 10 back to a valve 11 which supplies the gas such as Ar or N2 from a gas supply source 12 via the above- mentioned box bodies 8, 8' to the space 14, thereby balancing the pressure in the sealing space with the static pressure up to a molten steel level 15.

65. 发明专利

JPS61289953A POURING NOZZLE FOR CONTINUOUS CASTING MACHINE FOR THIN SHEET 失效
公开(公告)号：JPS61289953A
公开(公告)日：1986-12-19
申请号：JP12821585
申请日：1985-06-14
申请人： MITSUBISHI HEAVY IND LTD
发明人： YANAGI KENICHI , YOSHIHARA AKIYO , TANIE MASAFUNE
IPC分类号： B22D11/06 , B22D11/119 , B22D41/50
摘要： PURPOSE:To uniformly pour a molten metal into a casting mold at a low speed and to obtain a good product by providing a perforated plate into a pouring nozzle to once receive the molten metal flow from a tundish and pouring the molten metal through the many holes of the perforated plate into the casting mold. CONSTITUTION:A piece or plural pieces of nozzles 9 are provided to the lower part of the tundish 5 to supply the molten steel 4 to the pouring nozzle 10. The perforated plate 11 is provided to the pouring nozzle 10 so that the molten steel 4 forms a head on the plate 11 and is supplied at a low speed through the many holes into the casting mold formed of a drum 1 and side gates 2, 2'. Since the nozzle 10 has the shape long in the transverse direction, the molten metal flow from the plate 11 is uniform in the transverse direction. The uneven solidification is thereby eliminated and the waving of a molten steel level 8 is prevented.

66. 发明专利

JPS61232045A CONTINUOUS CASTING METHOD FOR THIN SHEET 失效
公开(公告)号：JPS61232045A
公开(公告)日：1986-10-16
申请号：JP7109285
申请日：1985-04-05
申请人： MITSUBISHI HEAVY IND LTD
发明人： YOSHIHARA AKIYO , IDEUE KAZUO , TANIE MASAFUNE
IPC分类号： B22D11/06 , B22D11/18
摘要： PURPOSE:To make the prevention of the transverse crack and bulging of an ingot possible by changing the flow rate of a molten metal or the rotating speed of drums according to the change of the space between the drums thereby adjusting the molten steel level between the drums. CONSTITUTION:The space between the drums is detected by a change detector 18 and is fed back to the input of a tundish flow rate controller 19 which controls the molten steel level between the drums. The opening degree of a stopper valve 10 in the tundish 1 is adjusted to change the molten steel level between the drums, by which the thickness of the sheet is made constant. The thickness of the shell formed by the respective drums is thus made optimum by adjusting the contact length of the molten steel even if the thickness of the shell changes with the temp. change of the molten steel, the change of the cooling condition of the drums, etc. The cracking and bulging are thereby prevented.

67. 发明专利

JPS61219453A IMMERSION NOZZLE FOR CONTINUOUS CASTING 失效
公开(公告)号：JPS61219453A
公开(公告)日：1986-09-29
申请号：JP6080285
申请日：1985-03-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： YANAGI KENICHI , YOSHIHARA AKIYO
IPC分类号： B22D11/10 , B22D41/60
摘要： PURPOSE:To prevent bridging and to make possible the omission of part or the greater part of a rolling stage by providing a heating element to the surface layer part of a nozzle and coating a ceramic refractory material to the outside of the heating element. CONSTITUTION:The heating element 11 is constituted on the surface layer part of the nozzle 3 and the outside of the heating element 11 is subjected to coating 12 of the refractory material. The temp. of the heating element 11 rises to heat the coating 12 when electricity is passed to the heating element 11. The coating 12 is maintained at the solidification point of the molten steel or above or at the temp. at which bridging does not arise or above. The bridging is thus obviated even in the stage of casting a thin ingot.

68. 发明专利

JPS6192760A Belt type continuous casting machine for slab 失效
标题翻译：皮带类型连续铸造机
公开(公告)号：JPS6192760A
公开(公告)日：1986-05-10
申请号：JP21152984
申请日：1984-10-11
申请人： Mitsubishi Heavy Ind Ltd
发明人： SHIMOZATO YOSHIO , YOSHIHARA AKIYO
IPC分类号： B22D11/06
CPC分类号： B22D11/066
摘要： PURPOSE:To make possible the high-speed casting of a slab having a stable shape by inserting hoops into the contact parts between long-side belts and short-side belts constituting a casting mold and driving synchronously the long- side belts, short-side belts and hoops. CONSTITUTION:The long sides and short sides of the casting mold in a belt type continuous casting machine for a slab are respectively constituted of the long-side belts 2' and short-side belts 12. The belts 12 are supported by ribs 14 of stationary guides 13 from the rear side. On the other hand, the long-side belts 2' are held and slid between stationary retaining blocks 11 and the above- mentioned guides 13 at both side ends thereof. The hoops 15 each having an angle shape, etc. are inserted into the contact parts of the belts 2', 12, then the belts 2', the belts 12 and the hoops 15 are synchronously driven. The metal penetration to the above-mentioned contact parts is prevented by the hoops 15 drawn together with the slab, by which the shape of the slab is made stable and the sliding of the slab with the synchronously driven belts 2' and belts 12 is averted. The high-speed continuous casting is thus made possible.
摘要翻译：目的：通过将箍插入构成铸模的长边带和短边带之间的接触部分中，使长边带，短边的同时驱动，可以实现具有稳定形状的板坯的高速铸造腰带和箍。构成：用于板坯的带式连续铸造机中的铸模的长边和短边分别由长边带2'和短边带12构成。带12由固定的肋14支撑从后侧引导13。另一方面，长边带2'在其固定保持块11和上述引导件13的两侧端部保持滑动。每个具有角度形状等的环15插入带2'，12的接触部分中，然后带2'，带12和环15被同步地驱动。通过与板坯一起拉伸的环15来防止金属穿透到上述接触部分，由此使板坯的形状稳定，并且平板与同步带2'和带12的滑动被避免。因此，高速连铸成为可能。

69. 发明专利

JPS6163344A Belt type continuous casting machine for slab 失效
标题翻译：皮带类型连续铸造机
公开(公告)号：JPS6163344A
公开(公告)日：1986-04-01
申请号：JP18270384
申请日：1984-09-03
申请人： Mitsubishi Heavy Ind Ltd
发明人： SHIMOZATO YOSHIO , YOSHIHARA AKIYO
IPC分类号： B22D11/06
CPC分类号： B22D11/066
摘要： PURPOSE:To produce safely a continuously cast slab at a high speed by using side endless belts which have water cooing devices and move at the same speed along stationary guides for the closed members on both sides of endless traveling belts in a belt type continuous casting machine for the slab. CONSTITUTION:A molten steel is poured into the space 1 constituted of a pair of the endless belts 2, 2 for casting and the side blocks 9 disposed to the end parts of both side faces thereof in the belt type continuous casting device. The molten steel is water-cooled to solidify by cooling water nozzles 7 by which the continuously cast slab is produced. The side blocks in such a case are constituted of the endless belts 12 which are made of the same material as the material of the belts 2 and are supported on the rear side by the stationary guides 13 having ribs 14 and form cooling water passages. The belts 12 move in the same direction at the same speed as the speed of the belt 2 and are water-cooled from the rear side as well and therefore the continuously cast slab 1 is safely cast continuously without the generation of a breakout accident by flash, etc.
摘要翻译：目的：通过使用具有水冷却装置的侧面环形带，通过带式连续铸造机的无端行驶带两侧的封闭构件的静止导轨以相同的速度移动，以高速度安全地生产连续铸造的板坯为板。构成：在带式连续铸造装置中，将钢水倒入由一对铸造环形带2,2构成的空间1和设置在其两侧面的端部的侧块9。通过冷却水喷嘴7将钢水水冷却固化，由此制造连续铸造的板坯。在这种情况下的侧块由环带12构成，环形带12由与带2的材料相同的材料制成，并且通过具有肋14的固定导向件13支撑在后侧，并形成冷却水通道。皮带12以与皮带2的速度相同的速度在相同的方向上移动，并且也从后侧进行水冷，因此连续铸造的板坯1被安全地铸造，而不会产生闪光事故等等

70. 发明专利

JPS6127152A Drum type continuous casting method 失效
标题翻译：鼓式连续铸造方法
公开(公告)号：JPS6127152A
公开(公告)日：1986-02-06
申请号：JP14590884
申请日：1984-07-16
申请人： Mitsubishi Heavy Ind Ltd
发明人： SHIMOZATO YOSHIO , YANAGI KENICHI , YOSHIHARA AKIYO
IPC分类号： B22D11/06 , B22D11/126
CPC分类号： B22D11/126 , B22D11/0622
摘要： PURPOSE:To produce slabs having a desired width at a good yield and high speed by producing a broad and thin walled slab by a drum type continuous casting method and cutting online the slab to plural pieces in the transverse direction. CONSTITUTION:The slab 4 which is formed between drums 1, 1 and side gates 2 and is supported by guide roll 6 groups is parted to plural pieces of slab products 8 in a drum type continuous casting method for producing thin steel sheets. The slab 4 is produced by using about 8m broad drums as compared to ordinary about 2m drums. End parts 9 are removed by the prescribed width in the stage of parting the slab by cutters 7. The high-speed production of the slabs having the desired width at a good yield is thus made possible.
摘要翻译：目的：通过鼓式连续铸造法生产宽而薄壁的板坯，并将板坯横向切割成多片，以高产率和高速度生产所需宽度的板坯。构成：在鼓1,1和侧浇口2之间形成并被引导辊6组支撑的板坯4以制造薄钢板的滚筒连续铸造方法分成多个板坯产品8。与普通约200毫米桶相比，使用约8米宽的鼓来生产板坯4。在切割器7分割板坯的阶段，将端部9除去规定的宽度。因此，能够以高产率高速生产具有期望的宽度的板坯。

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