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1. 发明授权

US4943317A Agent for desulphurizing iron melts, a process for the production thereof and a process for desulphurizing iron melts with the use of said agent 失效
标题翻译：铁熔体脱硫剂，其生产方法和使用所述试剂脱硫铁熔体的方法
公开(公告)号：US4943317A
公开(公告)日：1990-07-24
申请号：US407422
申请日：1989-09-14
申请人： Helmut Lischka , Werner Gmohling , Gerd Hieber
发明人： Helmut Lischka , Werner Gmohling , Gerd Hieber
IPC分类号： C21C1/02
CPC分类号： C21C1/025
摘要： The present invention provides an agent for desulphurizing iron containing calcium carbide and a metallic component, wherein the calcium carbide and the metallic component are present in such a form that the bulk densities and grain sizes thereof lie in the same range.The present invention also provides a process for producing this agent, as well as a process for desulphurizing iron using this agent.
摘要翻译：本发明提供了一种用于对含有碳化钙的铁和金属成分进行脱硫的试剂，其中所述碳化钙和所述金属组分以其体积密度和晶粒尺寸在相同的范围内的形式存在。本发明还提供了一种制备该试剂的方法，以及使用该试剂使铁脱硫的方法。

2. 发明授权

US4592777A Method, process and composition for desulfurizing pig-iron melts 失效
标题翻译：生铁熔体脱硫的方法，工艺和组成
公开(公告)号：US4592777A
公开(公告)日：1986-06-03
申请号：US681174
申请日：1984-12-13
申请人： Heinrich Rellermeyer , Walter Meichsner , Werner Gmohling
发明人： Heinrich Rellermeyer , Walter Meichsner , Werner Gmohling
IPC分类号： C21C1/02
CPC分类号： C21C1/025
摘要： A method and composition for desulfurization of hot metal is disclosed. To the hot metal there is added a composition comprising calcium carbide, a hydrogen releasing compound and magnesium.
摘要翻译：公开了一种用于铁水脱硫的方法和组合物。向热金属中加入包含碳化钙，释放氢的化合物和镁的组合物。

3. 发明授权

US5114693A Process for the production of silicon nitride and product made according to the process 失效
标题翻译：根据工艺生产硅酸盐和产品的方法
公开(公告)号：US5114693A
公开(公告)日：1992-05-19
申请号：US666225
申请日：1991-05-09
申请人： Jochen Hintermayer , Ernst Graf , Werner Gmohling , Georg Schroll , Wolfgang Kobler
发明人： Jochen Hintermayer , Ernst Graf , Werner Gmohling , Georg Schroll , Wolfgang Kobler
IPC分类号： C01B21/068 , C04B35/584
CPC分类号： C01B21/0682 , C04B35/584 , C01P2004/50 , C01P2006/14
摘要： The present invention provides a process for the production of silicon nitride by the reaction of silicon and nitrogen, wherein, in one reaction step, silicon powder is reacted with nitrogen which continuously rotates at a temperature of from 1000.degree. to 1800.degree. C. and at a pressure of from 1.01 to 1.8 bar up to a nitrogen content of 1 to 39.5% by weight.The present invention also provides a silicon nitride produced by this process wherein it is obtained in porous form and has the following properties.a) grain size of 0.1 to 20 mm.b) nitrogen content of 1 to 39.5% by weight,c) oxygen content of 1%,d) ratio of .alpha.:.beta.-phase of 1:9 to 9:1.
摘要翻译：本发明提供了一种通过硅和氮的反应生产氮化硅的方法，其中在一个反应步骤中，硅粉与氮气反应，氮气在1000〜1800℃的温度下连续旋转，压力为1.01至1.8巴，至氮含量为1至39.5重量％。本发明还提供了一种通过该方法生产的氮化硅，其中多孔形式获得并具有以下特性。 a）晶粒尺寸为0.1〜20mm。 b）氮含量为1至39.5重量％，c）氧含量为1％，d）α：β相比例为1:9至9:1。

4. 发明授权

US4260413A Desulfurizing composition, process for producing them and desulfurization of pig iron and steel 失效
标题翻译：脱硫组合物，生产工艺及生铁和脱硫脱硫
公开(公告)号：US4260413A
公开(公告)日：1981-04-07
申请号：US60149
申请日：1979-07-24
申请人： Alfred Freissmuth , Werner Gmohling , Heinrich Rock
发明人： Alfred Freissmuth , Werner Gmohling , Heinrich Rock
IPC分类号： C21C1/02 , C21C7/064 , C21C7/02
CPC分类号： C21C1/025 , C21C7/0645
摘要： Improved desulfurization of ferrous melts is obtained by injecting into the melt a readily-flowable desulfurization composition composed of a desulfurization agent, such as calcium carbide or the like and, if desired, an additional component in which the particles are finely ground with about 3 to 20% by weight of carbon for at least about five minutes to coat the particles with a solid, lubricating coating of carbon.
摘要翻译：通过向熔体中注入由脱硫剂如碳化钙等组成的容易流动的脱硫组合物，如果需要的话，将颗粒精细研磨的附加成分约3〜 20重量％的碳至少约5分钟，用碳的固体润滑涂层涂覆颗粒。

5. 发明授权

US4764211A Fine-grained agent for desulfurizing molten iron 失效
标题翻译：用于铁水脱硫的细粒剂
公开(公告)号：US4764211A
公开(公告)日：1988-08-16
申请号：US942469
申请日：1986-12-16
申请人： Walter Meichsner , Werner Gmohling , Manfred Tutte , Karl-Heinz Peters
发明人： Walter Meichsner , Werner Gmohling , Manfred Tutte , Karl-Heinz Peters
IPC分类号： C21C1/02 , C21C7/02
CPC分类号： C21C1/025
摘要： A fine-grained agent for desulfurizing molten iron comprising industrial calcium carbide, dried coal which contains at least 15% by weight of volatile constituents and which, immediately after being passed into the molten iron, releases at least 80 standard liters of gas per kg of coal, and optionally contains fine-grained magnesium. The coals used are lignites, flame coal, gas-flame coal, gas coal or coking coal. The agent is prepared by addition of the dried coal to the calcium carbide, if appropriate, pre-crushed, and common comminuted to a grain size of 90%
摘要翻译：用于脱硫铁水的细粒剂包括工业碳化钙，含有至少15重量％挥发性成分的干燥煤，并且在其进入铁水后，每kg释放至少80标准升的气体煤，并且任选地含有细粒度的镁。所使用的煤是褐煤，火焰煤，气体火焰煤，煤气或焦煤。通过将干燥的煤添加到碳化钙中，如果合适，预先粉碎并且通常粉碎至90％<200μm的粒度，来制备试剂。细粒状镁以均匀分布的形式存在于试剂中，或者与碳化物/煤混合物分开储存和流化，并在输送管线或喷枪中加入到适当的变化中的碳化物/煤混合物中在注射期间。

6. 发明授权

US4540436A Treatment agent for cast iron melts and a process for the production thereof 失效
标题翻译：铸铁熔化处理剂及其生产方法
公开(公告)号：US4540436A
公开(公告)日：1985-09-10
申请号：US626634
申请日：1984-07-02
申请人： Friedrich Wolfsgruber , Ernst A. Weiser , Werner Gmohling , Hans Kern , Karl J. Reifferscheid
发明人： Friedrich Wolfsgruber , Ernst A. Weiser , Werner Gmohling , Hans Kern , Karl J. Reifferscheid
IPC分类号： B22F1/00 , C21C1/10 , C22C33/08 , C22C1/02
CPC分类号： C22C33/08 , B22F1/0011 , C21C1/105
摘要： The present invention provides a treatment agent for cast iron melts based upon ferrosilicon magnesium with a silicon content of from 40 to 80% by weight and a magnesium content of from 0.5 to 15% by weight, said agent being in the form of granules with a specific surface area of from 0.2 to 0.8 m.sup.2 /g. according to BET.The present invention also provides a process for the production of this treatment agent, wherein a jet of molten ferrosilicon magnesium alloy is directed on to a bounce plate made of fire-resistant material and the melt droplets which bounce back from bounce plate are allowed to solidify in a liquid-filled collection receiver.
摘要翻译：本发明提供一种基于硅含量为40〜80重量％，镁含量为0.5〜15重量％的硅铁镁的铸铁熔体处理剂，所述试剂为颗粒形式，比表面积为0.2〜0.8m2 / g。根据BET。本发明还提供了一种制备该处理剂的方法，其中将熔融硅铁镁合金的射流引导到由耐火材料制成的反弹板上，并使从反弹板反弹的熔体液滴固化在充满液体的收集器中。

7. 发明授权

US4832739A Process for desulfurizing molten iron 失效
标题翻译：铁水脱硫工艺
公开(公告)号：US4832739A
公开(公告)日：1989-05-23
申请号：US208324
申请日：1988-06-17
申请人： Walter Meichsner , Werner Gmohling , Manfred Tutte , Karl-Heinz Peters
发明人： Walter Meichsner , Werner Gmohling , Manfred Tutte , Karl-Heinz Peters
IPC分类号： C21C1/02
CPC分类号： C21C1/025
摘要： A process for desulfurizing molten iron using a fine-grain agent consisting essentially of industrial calcium carbide, a dried coal, the coal containing at least 15% by weight of volatile components, and fine-grained magnesium and which agent is injected in fluidized form into an iron melt by means of a gas, comprising separately storing fine-grained magnesium and a calcium carbide/coal mixture, separately fluidizing the fine-grained magnesium and calcium carbide/coal mixture, combining the fluidized fine-grained magnesium and calcium carbide/coal mixture in a conveying line or lance and injecting the resultant combined fluidized mixture into an iron melt.A process for desulfurizing molten iron using a fine-grain agent consisting essentially of industrial calcium carbide, a dried coal, the coal containing at least 15% by weight of volatile components, and fine-grained magnesium and which agent is injected in fluidized form into an iron melt by means of a gas, comprising separately storing fine-grained magnesium, calcium carbide and coal, separately fluidizing the fine-grained magnesium, the calcium carbide and the coal, combining the fluidized fine-grained magnesium, the calicum carbide and the coal in a conveying line or lance and injecting the resultant combined fluidized mixture into an iron melt.
摘要翻译：使用基本上由工业碳化钙，干燥煤，含有至少15重量％的挥发性组分的煤和细粒的镁组成的细粒剂，以及将流化形式注入的试剂，将铁水脱硫的方法，通过气体的铁熔体，其包括分别存储细粒的镁和电石/煤混合物，分别使细晶的镁和碳化钙/煤混合物流化，将流化的细晶的镁和碳化钙/煤混合物在输送管线或喷枪中，并将所得的组合流化混合物注入铁熔体中。使用基本上由工业碳化钙，干燥煤，含有至少15重量％的挥发性组分的煤和细粒的镁组成的细粒剂，以及将流化形式注入的试剂，将铁水脱硫的方法，通过气体的铁熔体，包括分别存储细粒度的镁，碳化钙和煤，分别使细晶的镁，电石和煤流化，将流化细晶的镁，碳酸钙和输送线或喷枪中的煤，并将所得的组合流化混合物注入铁熔体中。

8. 发明授权

US4194902A Desulfurization agent for ferrous melts and method of using the same 失效
标题翻译：黑色金属的脱硫剂及其使用方法
公开(公告)号：US4194902A
公开(公告)日：1980-03-25
申请号：US941659
申请日：1978-09-12
申请人： Werner Gmohling
发明人： Werner Gmohling
IPC分类号： C21C1/02 , C21C7/02
CPC分类号： C21C1/025
摘要： Improved desulfurization of ferrous melts is obtained by injecting into the melt in finely divided form a mixture by weight 48% to 95% calcium carbide, 2% to 40% of carbon-containing calcium carbonate and from about 1% to 12% of high volatile, bituminous coal dust.
摘要翻译：通过以细碎的形式将熔体中的重量为48％至95％的碳化钙，2％至40％的含碳碳酸钙和约1％至12％的高挥发性成分的混合物注入到熔融物中，可以获得改进的脱硫，烟煤粉尘。

9. 发明授权

US4430118A Desulfurization agent 失效
标题翻译：脱硫剂
公开(公告)号：US4430118A
公开(公告)日：1984-02-07
申请号：US427110
申请日：1982-09-29
申请人： Alfred Freissmuth , Werner Gmohling , Walter Meichsner
发明人： Alfred Freissmuth , Werner Gmohling , Walter Meichsner
IPC分类号： C21C1/02 , C21C7/064 , C21C7/02
CPC分类号： C21C7/0645 , C21C1/025
摘要： The present invention provides a desulphurizing agent, especially for iron melts, based upon calcium carbide and diamide lime, wherein it contains a diamide lime which has been post-treated by flotation or air sifting. The diamide lime used preferably contains 18 to 40% of free carbon.
摘要翻译：本发明提供了一种脱硫剂，特别是基于碳化钙和二酰胺石灰的铁熔体，其中含有通过浮选或空气筛选后处理的二酰胺石灰。使用的二酰胺石灰优选含有18〜40％的游离碳。

10. 发明授权

US4315773A Desulfurization mixture and process for desulfurizing pig iron 失效
标题翻译：脱硫混合物和生铁脱硫工艺
公开(公告)号：US4315773A
公开(公告)日：1982-02-16
申请号：US97858
申请日：1979-11-27
申请人： Alfred Freissmuth , Werner Gmohling , Heinrich Rock
发明人： Alfred Freissmuth , Werner Gmohling , Heinrich Rock
IPC分类号： C21C1/02 , C21C7/02
CPC分类号： C21C1/025
摘要： Process and composition for desulfurizing pig iron in which the desulfurization agent consists essentially of calcium carbide, a gas-evolving component and fluorspar; the advantage of the process and composition is that it reduces dust pollution and danger of flaming in the handling of the slag after the desulfurization of pig iron.
摘要翻译：脱硫剂主要由碳化钙，气体成分和氟石组成的脱铁生铁的工艺和组成; 该方法和组成的优点在于，在生铁脱硫后，可以减少灰尘污染和燃烧处理中的炉渣的危险。

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