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    • 77. 发明授权
    • Compressor unit
    • 压缩机单元
    • US5591000A
    • 1997-01-07
    • US561576
    • 1995-11-21
    • Peter Fischer
    • Peter Fischer
    • F04D23/00F04D29/62F04D5/00
    • F04D29/624F04D23/008
    • A compressor unit is provided, which has at least two side-channel compressors arranged axially next to one another, and in which housing halves within each compressor each have, on a housing wall extending between an axially extending hub extension and a housing protrusion caused by a side channel, an axial extension 11. Side-channel compressors of different sizes can be assembled into a unit by the fact that the axial extension extends in each case into the parting plane of the housing halves, and is in each case equipped with a centering rim, projecting beyond the parting plane that mates with a centering step provided on the axial extension of the adjacent housing half and standing back from the parting plane. The inner housing halves are attached to one another at the axial extensions. The outer housing halves are attached to the inner housing halves by the attachment elements introduced into the passthrough openings.
    • 提供了一种压缩机单元,其具有至少两个侧向通道压缩机,其彼此轴向地布置,并且每个压缩机内的壳体半部分在每个压缩机中具有在由轴向延伸的毂延伸部和壳体突出部之间延伸的壳体壁上, 侧通道,轴向延伸部11.不同尺寸的侧通道压缩机可以通过以下事实组装成单元:轴向延伸部在每种情况下都延伸到壳体半部的分型平面内,并且在每种情况下都配备有 定心边缘突出超过分离平面,与设置在相邻壳体半部的轴向延伸部上并从分型平面垂直的定心台阶配合。 内壳半部在轴向延伸部处彼此附接。 通过引入穿通开口的附接元件将外壳半部附接到内壳半部。
    • 79. 发明授权
    • Continuous process of smelting metallic lead directly from lead- and
sulfur-containing materials
    • 直接从含铅和含硫材料冶炼金属铅的连续工艺
    • US4397688A
    • 1983-08-09
    • US271078
    • 1981-06-08
    • Werner SchwartzPeter Fischer
    • Werner SchwartzPeter Fischer
    • C22B5/02C22B13/02C22B13/06C22B15/00
    • C22B13/02
    • A slag phase and lead phase are conducted in a counter-current to each other in an elongated horizontal reactor, in which a gas atmosphere is conducted in a counter-current to the slag phase. To maintain the molten bath at a constant temperature and to permit an operation at the lowest possible temperatures whereby an undercooling of the melt is prevented, the temperature of the molten bath in the reducing zone is maintained constant by a controlled supply of additional heat, the temperature of the molten bath in the oxidizing zone is maintained constant by a control of the ratio of oxidizable sulfur to oxygen in such a manner that in case of a temperature rise the ratio of sulfur to oxygen is increased in order to decrease the lead oxide content of the slag and in case of a temperature drop of the ratio of sulfur to oxygen is decreased in order to increase the lead oxide content of the slag and the increase and decrease of the ratio of sulfur to oxygen are controlled allowing for the fact that the heat content of the gases entering the oxidizing zone from the reducing zone is changed with the lead oxide content of the slag.
    • 炉渣相和铅相在细长的水平反应器中以相反的方式进行,其中气体气氛以与炉渣相逆流的方式进行。 为了将熔浴保持在恒定温度并允许在最低可能的温度下进行操作,由此可以防止熔体的过冷,通过受控的额外的热量使还原区中的熔池的温度保持恒定, 通过控制可氧化硫与氧的比例,氧化区中的熔融液的温度保持恒定,使得在升高硫与氧的比率的情况下,为了降低氧化铅含量, 的炉渣,并且在硫与氧的比例的温度降低的情况下,为了增加炉渣的氧化铅含量而降低硫的比例,并且控制硫与氧的比例的增加和减少,这允许以下事实: 从还原区进入氧化区的气体的热含量随炉渣的氧化铅含量而变化。