专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4861577A Method for removing the sulphur content of a weak gas containing sulfur dioxide 失效
标题翻译：去除含二氧化硫的弱气体硫含量的方法
公开(公告)号：US4861577A
公开(公告)日：1989-08-29
申请号：US105553
申请日：1987-10-06
申请人： Timo T. Talonen , Jaakko T. I. I Poijarvi , Maija-Leena Metsarinta
发明人： Timo T. Talonen , Jaakko T. I. I Poijarvi , Maija-Leena Metsarinta
IPC分类号： C01B17/05 , B01D53/50 , B01D53/52 , B01D53/77
CPC分类号： B01D53/507 , B01D53/523
摘要： The invention relates to a method for cleaning exhaust gases weak in sulphur dioxide, or sulphur dioxide and hydrogen sulphide. In order to remove the sulphur content of an exhaust gas, the exhaust gas is absorbed into a solution containing sulphide. Thereafter into the solution is added an agent which causes any unstable compounds of sulphur and oxygen, such as thiosulphate and polythionates, which are formed in the scrubbing solution, to decompose into elemental sulphur and sulphate in the autoclave whereinto the scrubbing solution is fed. The pH of the solution emerging from the autoclave is adjusted to stay within the range 2.0-2.9.
摘要翻译：本发明涉及一种清洁二氧化硫或二氧化硫和硫化氢的废气的方法。为了除去废气中的硫含量，废气被吸收到含有硫化物的溶液中。然后向溶液中加入一种试剂，其导致在洗涤溶液中形成的任何不稳定的硫和氧的化合物，例如硫代硫酸盐和多硫代硫酸盐，分解为高压釜中的元素硫和硫酸盐，其中进料洗涤溶液。将从高压釜中出来的溶液的pH调节至2.0-2.9。

2. 发明授权

US4937057A Method for removing sulphur in elemental form from gases containing sulphur dioxide or sulphur dioxide and hydrogen sulphide 失效
标题翻译：从含有二氧化硫或二氧化硫和硫化氢的气体中除去元素形式的硫的方法
公开(公告)号：US4937057A
公开(公告)日：1990-06-26
申请号：US256120
申请日：1988-10-11
申请人： Timo T. Talonen , Jaakko T. I. Poijarvi
发明人： Timo T. Talonen , Jaakko T. I. Poijarvi
IPC分类号： C01B17/04 , B01D53/50 , B01D53/52 , C01B17/05
CPC分类号： C01B17/05 , B01D53/501 , B01D53/523
摘要： The present invention relates to a method for removing sulphur dioxide and possible hydrogen sulphide as well as nitric oxides from exhaust gases by means of sulphides in a liquid phase so that the sulphur is recovered in the form of molten elemental sulphur. The soluble sulphates formed in the scrubbing are regenerated after a known fashion by means of sulphides or by reducing back into sulphides and are conducted back into the sulphur dioxide absorption stage.
摘要翻译：本发明涉及通过液相中的硫化物从废气中除去二氧化硫和可能的硫化氢以及一氧化氮的方法，以便以熔融元素硫的形式回收硫。在洗涤中形成的可溶性硫酸盐以已知的方式通过硫化物再生，或通过还原回硫化物并被引回二氧化硫吸收阶段。

3. 发明授权

US4568065A Means for separating solid and molten particles from the exhaust gases of metallurgical furnaces and way to recover lead from such gases 失效
标题翻译：用于从冶金炉的废气中分离固体和熔融颗粒的方法以及从这些气体中回收铅的方法
公开(公告)号：US4568065A
公开(公告)日：1986-02-04
申请号：US461459
申请日：1983-01-27
申请人： Timo T. Talonen
发明人： Timo T. Talonen
IPC分类号： C22B13/02 , B04C5/08 , B04C5/081 , C22B5/02 , F27D17/00 , F27D99/00 , F27B15/12 , F27B11/00
CPC分类号： F27D99/00 , F27D17/001
摘要： The invention concerns a means for separating molten particles from the exhaust gases of metallurgical furnaces and for returning them to the furnace space (3). As taught by the invention, a molten dust cyclone has been provided substantially within the furnace space (3) or in its immediate vicinity, this cyclone comprising a vertical cylindrical chamber (4), a passage (8) leading from the furnace space (3) tangentially to chamber (4), an exit aperture (5) in the upper part of the chamber for removing the gas and a tap aperture (6) in the lower part of the chamber for returning to the furnace space (3) the solid and molten material that has separated from the gas.The invention furthermore concerns a way recover lead from the exhaust gases of a metallurgical furnace by regulating the oxygen partial pressure in the exhaust gases to be in the range of about 10.sup.-16 to 10.sup.-10 atmospheres at temperature 1250.degree.-1450.degree. K. and by subjecting the exhaust gases immediately to centrifugal separation to the purpose of separating lead fog droplets from the gas to the purpose of returning the molten lead to the furnace.
摘要翻译：本发明涉及用于从冶金炉的废气中分离熔融颗粒并将其返回到炉空间（3）的装置。如本发明所教导的，熔化粉尘旋流器基本上设置在炉空间（3）内或其附近，该旋风分离器包括垂直圆柱形室（4），从炉空间（3）引出的通道（8））与腔室（4）切向，在室的上部中用于去除气体的出口孔（5）和在室的下部中的抽头孔（6），用于返回到炉空间（3），固体和与气体分离的熔融材料。此外，本发明还涉及通过将废气中的氧分压调节在温度1250°-1450°K在约10-16至10-10大气压的范围内从冶金炉的废气中回收铅的方法。并且通过使废气立即进行离心分离，以将铅雾液从气体分离，以将熔融铅返回到炉的目的。

4. 发明授权

US4465512A Procedure for producing lead bullion from sulphide concentrate 失效
标题翻译：从硫化物精矿生产铅块的程序
公开(公告)号：US4465512A
公开(公告)日：1984-08-14
申请号：US461456
申请日：1983-01-27
申请人： Esko O. Nermes , Timo T. Talonen
发明人： Esko O. Nermes , Timo T. Talonen
IPC分类号： C22B5/14 , C22B13/02 , C22B13/00
CPC分类号： C22B13/02 , C22B5/14
摘要： A procedure based on suspension smelting has been developed for producing lead bullion from sulphidic concentrates in which the proportion of iron and of slag-forming substances is low. In the procedure oxygen or oxygen-enriched air is used. The slag containing lead oxide that is formed is in equilibrium with the sulphur-containing but refinable lead bullion. The lead oxide content of the slag may be lowered without increasing the sulphur content of the lead bullion by regulating the temperature, the FeO+CaO/SiO.sub.2 ratio and the degree of oxidation. In order that the highest possible amount of the lead contained in the concentrate might be recovered from the settler (3), the quantity of lead compounds in the gas phase is minimized and a hot cyclone is used in the uptake shaft (4) of the smelting furnace.
摘要翻译：已经开发了一种基于悬浮熔炼的方法，用于从硫化物浓缩物中生产铅块，其中铁和成渣物质的比例低。在程序中使用氧气或富氧空气。形成的含有氧化铅的炉渣与含硫但可精炼的铅块处于平衡状态。通过调节温度，FeO + CaO / SiO2比例和氧化度，可以降低炉渣的氧化铅含量，而不增加铅块的硫含量。为了从沉降器（3）中回收浓缩物中所含的铅的最高可能量，气相中的铅化合物的量被最小化，并且热旋风分离器被使用在吸收轴（4）中冶炼炉。

5. 发明授权

US5403380A Method for producing easily volatile metals, such as zinc, lead, mercury and cadmium, of sulfidic raw materials 失效
标题翻译：用于生产硫化物原料易挥发性金属如锌，铅，汞和镉的方法
公开(公告)号：US5403380A
公开(公告)日：1995-04-04
申请号：US61207
申请日：1993-05-13
申请人： Timo T. Talonen , Heikki J. Eerola
发明人： Timo T. Talonen , Heikki J. Eerola
IPC分类号： C22B5/16 , C22B4/04 , C22B5/08 , C22B9/02 , C22B11/02 , C22B13/02 , C22B17/02 , C22B19/00 , C22B19/04
CPC分类号： C22B11/02 , C22B13/02 , C22B17/02 , C22B19/04 , C22B4/04
摘要： The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450.degree.-1,800.degree. C., so that the zinc, lead and cadmium are volatilized, and the iron and copper remain in the molten metal or in the metal sulfide matte created in the furnace.
摘要翻译：本发明涉及一种在火法冶金工艺中由硫化物原料生产锌，镉，铅和其他易挥发的金属的方法。在该方法中，硫化锌浓缩物在大气条件下在1450〜-1800℃的温度下进料到熔融铜中，使得锌，铅和镉挥发，铁和铜残留在熔融金属中在炉中产生的金属硫化物磨砂。

6. 发明授权

US4737186A Method for continuous reduction of molten metallurical slag in an electric furnace 失效
标题翻译：在电炉中连续还原熔融金属渣的方法
公开(公告)号：US4737186A
公开(公告)日：1988-04-12
申请号：US33536
申请日：1987-04-03
申请人： Erkki V. S. Krogerus , Timo T. Talonen
发明人： Erkki V. S. Krogerus , Timo T. Talonen
IPC分类号： C22B5/10 , C22B7/04 , C22B13/02 , C22B15/00 , C22B23/02
CPC分类号： C22B23/02 , C22B13/02 , C22B15/0054 , C22B5/10 , C22B7/04 , Y02P10/212
摘要： A method for the continuous recovery of non-iron metals from a molten metallurgical slag containing lead, copper or nickel by continuously reducing the layer with carbon dust. The metal layer produced at the furnace bottom is maintained sufficiently thin so that it is between 0 and 20 mm thick. Injection of carbon dust into the metal layer is avoided.
摘要翻译：一种通过连续地还原含碳尘的层从含有铅，铜或镍的熔融冶金渣中连续回收非铁金属的方法。在炉底产生的金属层保持足够薄，使其在0和20mm之间。避免将碳粉注入金属层。

7. 发明授权

US4388111A Process for the recovery of lead from a lead-bearing sulfide concentrate 失效
标题翻译：从含铅硫化物精矿中回收铅的工艺
公开(公告)号：US4388111A
公开(公告)日：1983-06-14
申请号：US254413
申请日：1981-04-15
申请人： Timo T. Talonen , Tuula S. M. Makinen
发明人： Timo T. Talonen , Tuula S. M. Makinen
IPC分类号： C22B13/02 , C22B13/00
CPC分类号： C22B13/02
摘要： Lead is recovered from a lead-bearing sulfidic concentrate by heating the concentrate in such a manner that lead and its compounds pass into the gas phase. The oxygen pressure in the gas phase is adjusted by oxidation or reduction in order to cause the compounds of lead to react with each other to form lead, and the gas phase is cooled in order to condense the metallic lead out from the gas.
摘要翻译：通过以使铅及其化合物进入气相的方式加热浓缩物从含铅硫化物浓缩物中回收铅。通过氧化或还原来调节气相中的氧气压力，以使铅化合物彼此反应以形成铅，并且将气相冷却以将金属铅从气体中冷凝。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式