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1. 发明专利

AU2328877A PRODUCING LAYER-LIKE CLAD METAL MATERIALS 未知
公开(公告)号：AU2328877A
公开(公告)日：1978-09-28
申请号：AU2328877
申请日：1977-03-16
申请人： KAWASAKI STEEL CO
发明人： EMI TOSHIHIKO , KAWANA MASASHI , KINOSHITA KATSUO , ADACHI SHINICHIRO
IPC分类号： B22D7/02 , B22D19/08 , B22D37/00 , B32B15/02

2. 发明专利

DE2713020A1 Composite ingot free from defects - made by casting molten metal round solid metal core coated with varnish to prevent oxidn. 未知
公开(公告)号：DE2713020A1
公开(公告)日：1978-09-28
申请号：DE2713020
申请日：1977-03-24
申请人： KAWASAKI STEEL CO
发明人： EMI TOSHIHIKO , KAWANA MASASHI , KINOSHITA KATSUO , ADACHI SHINICHIRO
IPC分类号： B22D7/02
摘要： Composite metal ingots are made, where a core metal(a) with a surface free from an oxide layer is coated with a film(b) of organic material contg. C and H, to obtain a film (b) 50-3000 mu m thick. The coated core(a,b) is then suspended in a mould, and moulten metal(c) of the same or different compsn. to metal(a) is fed upwards via bottom pouring to fill the mould and make an ingot(a,c). The ingot(a,c) is rolled or forged into a semi-finished prod. which is hot worked and opt. cold worked. Film(b) is pref. a drying varnish or synthetic resin, esp. 100-3000 mu m thick. During casting, a non-oxidising atmos. is pref. used in the mould, which is closed to preclude entry of air. The bottom end of the core(a) is pref. 5-30cm. above the bottom of the mould; and the molten metal(b) is poured to a height of min. 5cm. above the top of core(a). Provides an inexpensive method for mfg. composite ingots, where film(b) burns to form gas which reacts with any O2 present and blows inclusions and foam to the top of the mould so a sound bond is obtd. between metals(a, c).

3. 发明专利

CA1111623A METHOD OF PRODUCING LAYER-LIKE CLAD METAL MATERIALS 未知
公开(公告)号：CA1111623A
公开(公告)日：1981-11-03
申请号：CA300394
申请日：1978-04-04
申请人： KAWASAKI STEEL CO
发明人： EMI TOSHIHIKO , KAWANA MASASHI , KINOSHITA KATSUO , ADACHI SHINICHIRO
IPC分类号： B22D19/00
摘要： A method of producing layer-like clad metal materials is disclosed. The layer-like clad metal material is produced by applying at least one organic substance selected from the group consisting of phenolic resin, amino resin, epoxy resin, polyamide resin, acrylic resin, polyester resin and vinyl acetate resin, on a surface of a metallic core material having at its surface substantially no oxide film to form a coating film having a thickness of 50 to 3,000 .mu.m, placing said core material in a casting mold, pouring a molten metal having the same or different composition around said core material into said mold by a bottom pouring process to form a clad metal ingot, subjecting said ingot to slab rolling or forging to form an intermediate product, and then subjecting said intermediate product to a hot working and, if necessary, a cold working.

4. 发明专利

CA1318766C IMMERSION NOZZLE FOR CONTINUOUS CASTING 未知
公开(公告)号：CA1318766C
公开(公告)日：1993-06-08
申请号：CA585951
申请日：1988-12-15
申请人： KAWASAKI STEEL CO
发明人： SAITO KENJI , NOZAKI TSUTOMU , OGUCHI YUKIO , SORIMACHI KENICHI , NAKATO HAKARU , OKUDA HARUJI , HOSOTANI KOJI , KINOSHITA KATSUO , MURATA KENJI
IPC分类号： B22D11/115 , B22D41/50 , B22D11/10 , B22D27/02
摘要： 62-316,144 comb. IMMERSION NOZZLE FOR CONTINUOUS CASTING In an immersion nozzle for continuous casting, at least one portion of reducing a sectional area of a passage for molten metal is formed in an immersion nozzle near to the bottom of the nozzle and plural discharge ports symmetrically arranged with respect to the axis of the nozzle are arranged above and below the sectional area reducing portion in the longitudinal direction of the nozzle. Further, molten metal is continuously cast by using the above immersion nozzle together with static magnetic field.

5. 发明专利

JPH07176397A HOLLOW, CYLINDRICAL COPPER ELECTRODE PLAMSA TORCH AND METHOD FOR CONTROLLING SAME 失效
公开(公告)号：JPH07176397A
公开(公告)日：1995-07-14
申请号：JP33363193
申请日：1993-12-27
申请人： KAWASAKI STEEL CO , TOKYO ELECTRIC POWER CO
发明人： KINOSHITA KATSUO , HAYASHI AKIHIKO , YAMAZAKI TAKETOSHI
IPC分类号： H05H1/34 , C22B9/20
摘要： PURPOSE:To prevent abnormal melting losses by setting the ratio of the bore of a hollow, cylindrical copper electrode to the aperture of a collimator to within a fixed range, and setting the pressure difference of a plasma gas between the center portion of the electrode and a wall surface to a certain value or higher near the outlet of the electrode. CONSTITUTION:The ratio of the bore Dr of a hollow, cylindrical copper electrode 31 to the aperture Dc of the collimator 38 of a component for converging an arc E is set to be 0.75

6. 发明专利

JPH0312348A AIR CRUSHING METHOD AND APPARATUS THEREFOR 失效
公开(公告)号：JPH0312348A
公开(公告)日：1991-01-21
申请号：JP14305889
申请日：1989-06-07
申请人： KAWASAKI STEEL CO , TOKYO ELECTRIC POWER CO
发明人： KINOSHITA KATSUO , YAMAZAKI TAKETOSHI , OHASHI HIDETOSHI , NAKAGAWA TOSHIHIKO
IPC分类号： C04B5/02
摘要： PURPOSE:To easily produce a fine aggregate having high strength while obviating the necessity of large area by subjecting molten slag to grain refining, to cooling, and to solidification by blowing high-speed air against the falling stream of molten slag and allowing the molten slag to collide against a collision plate. CONSTITUTION:High-speed air flow 5 is blown through a nozzle 4 provided on the side face against the falling stream of molten slag 1 falling through a chute 2 to blow off the molten slag 1, by which the molten slag is powdered, cooled and solidified, and allowed to collide against a collision plate 6, followed by recovering. By this method, the molten slag from the molten ash of municipal refuse can be converted into a worked fine aggregate, and waste disposal costs can be reduced.

7. 发明专利

JPH01111498A DEHYDRATION PROCESS OF SEWAGE SLUDGE 失效
公开(公告)号：JPH01111498A
公开(公告)日：1989-04-28
申请号：JP26662287
申请日：1987-10-23
申请人： KAWASAKI STEEL CO
发明人： YASUI TAKAYUKI , KAWASAKI KIYOO , KINOSHITA KATSUO
IPC分类号： C02F11/14
摘要： PURPOSE:To form sludge cakes with small water content by adding an aggregating agent to the sewage sludge, mixing a dehydration auxiliary with the aggregated sludge composed of aggregated and precipitated solid substances and then pressure dehydrating the formed and mixed sludge. CONSTITUTION:An aggregating agent is added to sewage sludge to aggregate and precipitate solid substances and form an aggregated sludge. A dehydration auxiliary is mixed with said aggregated sludge to form mixed sludge, and then the mixed sludge is pressure dehydrated. As for the aggregated agent, an inorganic and an organic aggregated agent generally used are utilized, while as a dehydrating auxiliary, pulp, wood shavings and the like generally used are utilized and the kind and quantity to be used can be selected according to the state of sewage sludge and the kind of a device to be used. As for a mechanical dehydration device, a belt, press, a filter press or the like is used.

8. 发明专利

JPS63230258A METHOD AND APPARATUS FOR CONTINUOUSLY CASTING STEEL BY USING STATIC MAGNETIC FIELD 失效
公开(公告)号：JPS63230258A
公开(公告)日：1988-09-26
申请号：JP913487
申请日：1987-01-20
申请人： KAWASAKI STEEL CO
发明人： HOSOYA KOJI , OGUCHI MASAO , KAYANO TOMOO , SAITO KENJI , NAKATO SAN , TANMACHI KENICHI , YAO SHO , KINOSHITA KATSUO
IPC分类号： B22D11/10 , B22D11/115
摘要： PURPOSE:To surely prevent entrapping phenomenon of non-metallic inclusion and to stably and continuously cast a cast slab having good quality by pouring molten steel in center part of static magnetic field in a mold of continuous casting machine and immediately controlling flow of the molten steel by the static magnetic field, to reduce the flowing speed. CONSTITUTION:In the continuous casting apparatus, one pair of first static magnetic poles 3 are arranged almost at the center part of wide width side face of upper part of the mold 1 for the continuous casting machine. The center line linking the centers C of the magnetic poles almost coincides with the discharging hole 8 of a submerged nozzle 7 for pouring the molten steel. The max. magnetic flux density of the above static magnetic pole 3 is to be >=about 1000G and desirably >=1700G under condition of about 1-4 ton/min practically pouring speed of the molten steel. By this method, the molten steel 5 poured in the mold 1 is smoothly flowed immediately by reducing flow speed without development of turbulent flow at the high magnetic flux density part 9. Speed of this flow is further reduced at the equal density line 11 to become uniform dispersing molten steel flow 12. By this method, the entrapment of generated non-metallic inclusion is prevented by the high speed molten steel flow as showing by the broken line arrow, and held to the top part of the meniscus part in the mold 1.

9. 发明专利

JPS62254954A CONTROL METHOD FOR MOLTEN STEEL FLOW IN MOLD OF CONTINUOUS CASTING 失效
公开(公告)号：JPS62254954A
公开(公告)日：1987-11-06
申请号：JP9804086
申请日：1986-04-30
申请人： KAWASAKI STEEL CO
发明人： KINOSHITA KATSUO , HOSOYA KOJI , MURATA KENJI , OGUCHI MASAO , EJIMA AKIO
IPC分类号： B22D11/10 , B22D11/103 , B22D11/114 , B22D11/115
摘要： PURPOSE:To reduce product defect, such as UT defect, blister, bulging, etc., by arranging plural magnetic poles and changing alternately direction of static magnetic field at vertical direction, which molten steel injecting flow discharged encounters in order, along the advancing direction of the molten steel flow. CONSTITUTION:As the molten steel flow from a nozzle discharging hole 1a is passed through magnetic flux B toward from the left to the right faced to the advancing direction of the molten steel flow, the induction current (i) is generated at downward. The flowing speed of the molten steel is reduced as receiving a braking force F by an interaction between this induction current (i) and the magnetic flux B to control by the braking. Thus, the molten metal, whose speed of the discharged flow is reduced, is flowed successively in next magnetic pole gap, and passed trough magnetic flux B' from the right to the left, to generate the induction current (i') toward upward, and its speed is further reduced as receiving a braking force F' by an interaction between this current (i') and magnetic flux B'. In this way, the currents (i) and (i') induced by between pairs of the magnetic poles lined up toward the molten metal discharged flow direction, are reverse direction to each other and easily formed into the short line closed circuit, and so the effect of the magnetic pole braking is effectively displayed.

10. 发明专利

JPS62156057A CONTINUOUS CASTING METHOD FOR SB-CONTAINING STEEL 失效
公开(公告)号：JPS62156057A
公开(公告)日：1987-07-11
申请号：JP29532385
申请日：1985-12-27
申请人： KAWASAKI STEEL CO
发明人： MIYAGAWA SHOJI , SUZUKI KENICHIRO , OGUCHI MASAO , MURATA KENJI , KINOSHITA KATSUO
IPC分类号： B22D11/00 , B22D11/10 , B22D11/11 , B22D11/112 , B22D11/116 , B22D11/12 , C21C7/00 , C22C33/04 , C22C33/06
摘要： PURPOSE:To improve the surface quality of an ingot in continuous casting of a steel contg. Sb at the ratio controlled to specific weight % or below by adding Ti thereto and adjusting the relation of the concns. between Ti and N to specific conditions. CONSTITUTION:Ti is added to the steel contg. =910 deg.C range in conjunction with the addition of Ti. The region of the amt. to reduce in area of tensile rupture at a high temp. where the generation of a crack in the continuous casting stage is obviated is determined when the concns. of Ti and N are adequately set. The cracking of the ingot is prevented by such determination coupled with setting of the ingot leveling temp. at >=910 deg.C. The surface quality of the ingot is thus improved.

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