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    • 1. 发明专利
    • Thermal spraying material
    • 热喷涂材料
    • JP2008150235A
    • 2008-07-03
    • JP2006338498
    • 2006-12-15
    • Jfe Refractories CorpJfe Steel KkJfeスチール株式会社Jfe炉材株式会社
    • MITSUI HARUOISOO NORIOOKAMOTO TAKUMITANIGUCHI TORUEGUCHI TAKESHIROKONDO TOSHIHIKOTSUKIHARA YUJIBABA SHINJIRO
    • C04B35/66C10B29/06C23C4/06F27D1/16
    • PROBLEM TO BE SOLVED: To develop a thermal spraying repairing material which fulfills the requirements for increasing severity of using condition and for extending the life of the oven for a long period of time in a coke oven of the recent years and which does not hinder the operation. SOLUTION: The thermal spraying material is one that contains a mixture of refractory particles and metal particles, and that is used by melting the mixture by an oxidation exothermic reaction of the metal particles through spraying the mixture onto a repairing body of a high temperature together with oxygen and by welding onto the repairing body, wherein the refractory particles have a particle size of 2 mm or smaller and contain as a main component a raw material having a composition of 65 wt.% or less SiO 2 and 35-70 wt.% Al 2 O 3 and 1 wt.% or less of an alkali component (Na 2 O, K 2 O), and the metal particles are formed by blending metallic silicon having a particle size of 150 μm or smaller. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:开发一种热喷涂修复材料,其满足了近年来在焦炉中长时间使用条件的苛刻度和延长烤箱寿命的要求, 不妨碍操作。 解决方案:热喷涂材料是含有难熔颗粒和金属颗粒的混合物的热喷涂材料,其通过将金属颗粒的氧化放热反应通过将混合物喷射到高度的修复体上而被熔融而使用 温度与氧气并通过焊接到修复体上,其中耐火颗粒具有2mm或更小的粒度,并且以组成为65重量%或更少的SiO 2 SB的原料为主要成分, / SB>和35-70重量%的Al(SB)2 3 和1重量%以下的碱成分(Na SB 2 O ,K SB 2,O),并且金属颗粒通过混合具有150μm或更小的粒度的金属硅形成。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Thermal spraying material
    • 热喷涂材料
    • JP2005336001A
    • 2005-12-08
    • JP2004155713
    • 2004-05-26
    • Jfe Refractories CorpJfe Steel KkJfeスチール株式会社Jfe炉材株式会社
    • MITSUI HARUOKISHI TADAKATSUTANIGUCHI TORUHONMA MICHIOBABA SHINJIROFUKUSHIMA YASUMASAMATSUNAGA HISAHIRO
    • C04B35/66F27D1/16
    • PROBLEM TO BE SOLVED: To increase adhesive strength between a siliceous stone brick used in a carbonization chamber of a coke oven and a repair material, and to enhance the service life. SOLUTION: A thermal spraying material contains refractory particles formed of unfired siliceous stone or silica sand, metal particles formed of metallic silicon, and a crystallization accelerator formed of one or more kinds of a sodium salt, potassium salt, and lithium salt. Preferable refractory particles have such a particle size that the content of particles having particle diameters of ≥600 μm is ≤10 wt%, the content of particles having particle diameters of 425-2,000 μm is 30-60 wt%, the content of particles having particle diameters of ≤75 μm is ≤10 wt%, and the remainder has particle diameters of 75-425 μm. The metallic silicon particles are added in an amount of 10-30 wt%, and have such a particle size that the content of particles having particle diameters of ≥150 μm is ≤10 wt%, the content of particles having particle diameters of 20-300 μm is 5-50 wt%, the content of particles having particle diameters of ≤2 μm is 10-40 wt%, and the remainder has particle diameters of 2-20 μm. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提高焦化炉碳化室中使用的硅质石砖与修补材料之间的粘合强度,并提高使用寿命。 解决方案:热喷涂材料包含由未烧成的硅质石或硅砂形成的耐火颗粒,由金属硅形成的金属颗粒和由一种或多种钠盐,钾盐和锂盐形成的结晶促进剂。 优选的耐火材料粒子的粒径为粒径≥600μm的粒子的含量≤10重量%,粒径为425〜2000μm的粒子的含量为30〜60重量%,粒子的含量为 ≤75μm的粒径≤10重量%,其余粒径为75〜425μm。 金属硅粒子的添加量为10〜30重量%,粒径为≥150μm的粒子的含量为10重量%以下,粒径为20〜 300μm为5-50重量%,粒径≤2μm的粒子的含量为10〜40重量%,其余粒径为2-20μm。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Thermal spraying material
    • 热喷涂材料
    • JP2009120406A
    • 2009-06-04
    • JP2007292805
    • 2007-11-12
    • Jfe Refractories CorpJfe Steel CorpJfeスチール株式会社Jfe炉材株式会社
    • MITSUI HARUOISOO NORIOOKAMOTO TAKUMIEGUCHI TAKESHIROYOSHIOKA AKINORIOHIRA YASUYOSHISHIMOHATA TAKESHI
    • C04B35/66C10B29/06F27D1/16
    • PROBLEM TO BE SOLVED: To provide a thermal spraying material used for repairing a refractory damaged part of an industrial furnace of a metal melting container, wherein the thermal spraying material is easily and excellently thermally deposited on a material to be repaired by melting the refractory particles and low melting point particles using an exothermic oxidation reaction of metal particles contained in the thermal spraying material.
      SOLUTION: As for the thermal spraying material, a mixture of refractory particles and the metal particles of an oxidizing powder is sprayed together with oxygen on the material to be repaired which is made of silica brick and is melted by the exothermic oxidation reaction to be thermally deposited on the material to be repaired. The refractory particles consist essentially of pulverized powder of the silica brick, having ≤2,000 μm particle diameter and the metal particle is preferably made of metal silicon.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于修理金属熔化容器的工业炉的耐火损坏部分的热喷涂材料,其中热喷涂材料容易且极好地热沉积在待熔化的材料上 使用包含在热喷涂材料中的金属颗粒的放热氧化反应的耐火材料颗粒和低熔点颗粒。 解决方案:对于热喷涂材料,将耐火颗粒和氧化性粉末的金属颗粒的混合物与氧一起喷涂在由硅砖制成并被放热氧化反应熔化的待修复材料上 被热沉积在待修复的材料上。 难熔颗粒基本上由二氧化硅砖的粉碎粉末组成,粒径≤2,000μm,金属颗粒优选由金属硅制成。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Gunning mixture
    • GUNNING MIXTURE
    • JP2006160558A
    • 2006-06-22
    • JP2004353977
    • 2004-12-07
    • Jfe Refractories CorpJfe炉材株式会社Nakayama Steel Works Ltd株式会社中山製鋼所
    • MITSUI HARUOFUNABIKI KIYOTOMOTAWARA KATSUAKIOKITA KAZUO
    • C04B35/66F27D1/16
    • PROBLEM TO BE SOLVED: To improve the durability of a metal melting vessel by firmly sticking a gunning mixture for repairing a refractory damaged part of the metal melting vessel to the repairing part to suppress the infiltration of slag to a body to be gunned. SOLUTION: In the gunning mixture refractory material is prepared by adding 1-4 wt.% powdery sodium silicate or potassium silicate, 1-3 wt.% pitch, 0.5-5 wt.% phenol resin, 1-5 wt.% sagging preventing agent, 1-5 wt.% hardening accelerator and 0.1-1 wt.% powder fluidity accelerator into a refractory material of one or more kinds of magnesia, dolomite, spinel, high alumina, fused alumina, sintered alumina, chamotte or the like, 25-45 wt.% of the gunning mixture refractory material has 1,000-3,500 μm particle diameter, 20-40 wt.% of that has ≤75 μm particle diameter and the remainder has 75-1,000 μm particle diameter. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提高金属熔化容器的耐久性,通过牢固地将用于修复金属熔化容器的难熔损坏部分的喷射混合物粘附到修复部分以抑制炉渣渗入被枪身的物体的渗透 。 解决方案:在喷涂混合物中,耐火材料是通过加入1-4重量%的硅酸钠或硅酸钾,1-3重量%的沥青,0.5-5重量%的酚醛树脂,1-5重量% %下垂防止剂,1-5重量%硬化促进剂和0.1-1重量%粉末流动性促进剂转化成一种或多种氧化镁,白云石,尖晶石,高铝,熔融氧化铝,烧结氧化铝,耐火砖或耐火材料的耐火材料 类似的,25-45重量%的喷射混合物耐火材料具有1,000-3,500μm粒径,其中20-40重量%具有≤75μm粒径,剩余部分具有75-1,000μm粒径。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Oxidation preventing coating material for graphite-containing refractory
    • 氧化预防涂料用于含石墨的耐火材料
    • JP2008120608A
    • 2008-05-29
    • JP2006303484
    • 2006-11-09
    • Jfe Refractories CorpJfe炉材株式会社
    • MITSUI HARUOTAKEYAMA HIROBUMINAKAJIMA MASAYOSHI
    • C04B41/87F27D1/00
    • PROBLEM TO BE SOLVED: To provide an oxidation preventing coating material for graphite-containing refractory which can prevent oxidizing and weakening of the surface of brick when being constructed on the inside of a metal melting vessel and heated to raise the temperature before a molten metal is received in use of graphite-containing refractory for lining of the metal melting vessel in iron works.
      SOLUTION: The oxidation preventing coating material prepared by adding 3-15 wt.% boron carbide, 0.5-8 wt.% aluminum salt, 1-10 wt.% clay and the balance frit having ≤1 mm particle diameter and 600-1,000°C melting point and further in external multiplication, 1-10 wt.% lithium salt, 0.1-1 wt.% thickener and 0.1-1 wt.% anti-foaming agent is applied on the surface of the graphite-containing refractory before heat-treated.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于石墨的耐火材料的防氧化涂层材料,其可以防止当在金属熔化容器的内部构造时,砖表面的氧化和弱化,并加热以提高在 使用含铁石墨的耐火材料在金属熔炼炉中接受金属熔化炉衬里的熔融金属。

      解决方案:通过加入3-15重量%的碳化硼,0.5-8重量%的铝盐,1-10重量%的粘土和具有≤1毫米粒径的余量的玻璃料制备的防氧化涂层材料和600 -1000℃熔点,进一步在外部增殖中,将1-10重量%锂盐,0.1-1重量%增稠剂和0.1-1重量%消泡剂施加在含石墨的耐火材料的表面上 热处理前。 版权所有(C)2008,JPO&INPIT

    • 6. 发明专利
    • Sealing material for blocking gas of coke oven, etc.
    • 用于堵塞焦炉烟的密封材料等
    • JP2006328128A
    • 2006-12-07
    • JP2005150512
    • 2005-05-24
    • Jfe Refractories CorpJfe炉材株式会社
    • MITSUI HARUOWATANABE TOSHIO
    • C10B25/16C04B35/66C09K3/10F27D1/00F27D1/16
    • PROBLEM TO BE SOLVED: To provide a sealing material for blocking gas, having a good working property, filling property and gas-sealing property at a door part of a carbonizing chamber, etc., of a coke oven in an iron mill. SOLUTION: This sealing material 1 used so as not to form a gap or crack between a metal oven frame 3 of the door 2 and outer wall bricks 4 of the carbonizing chamber, etc., of the coke oven is provided by containing frit, clay and silica fine powder, effective for the bonding of the bricks 4, and a phosphoric acid salt effective for the bonding of the metal oven frame 3 and capable of obtaining a prescribed viscous state by kneading with water and the clay used simultaneously. It is preferable to use 3-30 wt.% frit powder, 1-10 wt.% phosphoric acid salt, 5-20 wt.% silica fine powder, 1-10 wt.% clay and rest of granules/powder of a refractory material. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于阻塞气体的密封材料,其具有在铁炼机中的焦炉的碳化室等的门部处具有良好的加工性能,填充性能和气体密封性能 。 解决方案:这种密封材料1用于在炉门2的金属烤箱架3和碳化室等的外壁砖4之间不形成间隙或裂纹,其通过包含 玻璃料,粘土和二氧化硅细粉末,有效地粘合砖4,和有效用于金属烤架框架3的接合的磷酸盐,并且能够与水和同时使用的粘土捏合而获得规定的粘稠状态。 优选使用3-30重量%的玻璃料粉末,1-10重量%的磷酸盐,5-20重量%的二氧化硅细粉末,1-10重量%的粘土和剩余的颗粒/耐火材料粉末 材料。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Thermal spraying material
    • 热喷涂材料
    • JP2009107865A
    • 2009-05-21
    • JP2007279923
    • 2007-10-29
    • Jfe Refractories CorpJfe炉材株式会社
    • MITSUI HARUOISOO NORIOOKAMOTO TAKUMITANIGUCHI TORUEGUCHI TAKESHIROKONDO TOSHIHIKO
    • C04B35/66F27D1/16
    • PROBLEM TO BE SOLVED: To provide a thermal spraying material which can be used for quickly thermal-spray repairing in a limited time so as not to interfere with the operation and which can withstand temperature rising by abnormal operation, while there are problems of increasing severity in using conditions and long-period life extension demand for life of a coke oven in the recent years' coke oven. SOLUTION: Thermal spraying material is one that contains a mixture of refractory particles and metal particles, and that is used by melting the mixture by an oxidation exothermic reaction of the metal particles through spraying the mixture onto a repairing body of a high temperature together with oxygen and by welding onto the repairing body, wherein the refractory particles have a particle size of 2 mm or smaller and fire resistance of SK20-30, and use a 40 wt.% or more SiO 2 -Al 2 O 3 raw material having a composition of 10-30 wt.% SiO 2 and 70-90 wt.% Al 2 O 3 and the metal particles are formed by blending metallic silicon having a particle size of 150 μm or smaller. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种热喷涂材料,其可以在有限的时间内用于快速热喷涂修复,以免干扰操作,并且可以承受异常操作的温度上升,同时存在问题 在近些年的焦炉中使用条件和焦炉长期使用寿命长期寿命延长的需求越来越严重。 解决方案:热喷涂材料是含有难熔颗粒和金属颗粒的混合物的材料,其通过将金属颗粒的氧化放热反应通过将混合物喷涂到高温修复体上来使其熔化 与氧气一起并通过焊接到修复体上,其中耐火颗粒具有2mm或更小的粒度和SK20-30的耐火性,并且使用40wt。%或更高的SiO 2 SB / 具有组成为10-30重量%SiO 2 SBB和70-90重量%Al SB的原料的组合物 3 > 2 3 ,并且金属颗粒通过混合具有150μm或更小的粒度的金属硅形成。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Force feed device for castable refractory or the like
    • 用于铸造耐火材料的强制进给装置或类似物
    • JP2006038310A
    • 2006-02-09
    • JP2004216865
    • 2004-07-26
    • Jfe Refractories CorpJfe炉材株式会社
    • MITSUI HARUOMUROI SHINJIKANZAKI TOSHIAKI
    • F27D1/16F04B15/02
    • PROBLEM TO BE SOLVED: To smoothly carry out force feed and to carry out a refurbishment process in a force feed device for a castable refractory or the like without causing clogging of fine powder.
      SOLUTION: In a force feed holder part 4 carrying out force feed of concrete, the castable refractory, or the like, a drain hole 9 is provided so as to freely open and close such that water left in a pump hopper of the force feed device 1 can be easily drawn out, and a mortar paste filler hole 7 is provided so as to freely open and close for filling a mortar paste. A slide gate 11 capable of cutting off influent cleaning water and high pressure air is provided so as to freely open and close in the force feed holder part 4 such that cleaning water and high pressure air flowing in from the drain hole 9 and the mortar paste filling hole 7 do not flow backwards toward an upstream pump side. A water filling tool 22 is formed so it can be connected to the drain hole 9, a high pressure air supplying tool 22 is formed so it can be connected to the mortar paste filling hole, and it is preferable to provide the drain hole 9 directly below the mortar paste filling hole 7.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了平稳地进行强力供给,并且在不会导致细粉末堵塞的可浇注耐火材料等的加压装置中进行翻新处理。 解决方案:在执行混凝土,浇注耐火材料等的强力供给的力供给保持器部件4中,设置排水孔9,以便自由地打开和关闭,使得留在泵料斗中的水 能够容易地拉出力供给装置1,并且,为了填充砂浆而自由地打开和关闭砂浆填充孔7。 提供能够切断流入清洗水和高压空气的滑动门11,以便在力供给保持器部分4中自由地打开和关闭,使得从排水孔9流出的清洁水和高压空气和砂浆 填充孔7不向后流向上游侧泵。 一个注水工具22被形成为可以连接到排水孔9上,形成一个高压空气供给工具22,可以连接到砂浆填充孔,最好直接设置排水孔9 在砂浆填充孔7下面。(C)2006,JPO&NCIPI
    • 9. 发明专利
    • Coke oven sealant
    • 焦炉烤箱
    • JP2005298711A
    • 2005-10-27
    • JP2004118636
    • 2004-04-14
    • Jfe Refractories CorpJfe炉材株式会社
    • MITSUI HARUOCHATANI NORIKOKISHI TADAKATSU
    • C10B25/16C10B25/20
    • PROBLEM TO BE SOLVED: To provide an inexpensive sealant which inhibits wear of slurry-storing hopper, valves of a slurry feeder, etc. of a coke oven and offers a good sealability between a coal-feeding aperture and a lid. SOLUTION: The inexpensive sealant requires a low cost for pulverizing because it is soft and easily pulverized, inhibits wear of the valves of the slurry feeder etc., has low risk of inducing pneumoconiosis etc. because it is easily dissolved in body liquid when it enters human body and offers a good sealability between the coal-feeding aperture and the lid. The sealant comprises a calcium carbonate powder wherein particles of ≤75 μm, ≤45 μm and ≤10 μm account for ≥99 wt.%, ≥80 wt.% and ≥50 wt.%, respectively, or further comprises at most 5 wt.% at least one chosen from a water-reducing agent, a thickener and a bubble inhibitor. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种廉价的密封剂,其抑制了浆料储存料斗的磨损,焦炉的浆料给料机的阀等,并且在给煤孔和盖之间提供了良好的密封性。

      解决方案:廉价的密封剂需要低成本的粉碎,因为它是柔软的并且容易粉碎,抑制了浆料给料器等的阀门的磨损,因为它容易溶解在体液中,因此具有诱发肺尘埃沉着病的风险低 当它进入人体并且在给煤孔和盖子之间提供良好的密封性时。 密封剂包括碳酸钙粉末,其中≤75μm,≤45μm和≤10μm的颗粒分别占≥99重量%,≥80重量%和≥50重量%,或者还包含至多5重量% %至少一种选自减水剂,增稠剂和气泡抑制剂。 版权所有(C)2006,JPO&NCIPI