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    • 2. 发明授权
    • Induction furnace with linear flux concentrator
    • 带线性通量集中器的感应炉
    • US5578233A
    • 1996-11-26
    • US244290
    • 1994-05-23
    • Giovanni ArvediGosio Giovanni
    • Giovanni ArvediGosio Giovanni
    • H05B6/10C21D1/34C21D1/42C21D9/60F27D99/00H05B6/02H05B6/36H05B6/42
    • F27D99/0006C21D1/42H05B6/365H05B6/42C21D9/60F27D2099/0015F27D2099/0058Y02P10/253
    • An induction furnace for homogeneously heating flat steel products fed therethrough in a continuous line in a predetermined feeding direction includes a succession of heating assemblies and pairs of rollers placed between the heating assemblies for supporting and moving the flat products in the feeding direction. Each heating assembly has a narrow induction coil fed by a separate frequency converter and a linear flux concentrator. The coil extends transverse to the feeding direction. The size of the coil in the feeding direction of the flat products is 350 mm. or less. The flux concentrator is in proximity of the coil and extends along the longitudinal orientation of the coil. The flux concentrator has ends, an upper portion and a lower portion. The upper and lower portions are joined at each of the ends, and establish a central gap therebetween for the flat products to pass therethrough. The gap extends through the heating assembly in a direction transverse to the longitudinal orientation of the coil. The upper and lower portions are each formed as a packet of generally C-shaped magnetic sheet irons arranged side by side and directed at right angles to both a longitudinal orientation of the coil and a plane defined by the flat products to be heated. The sheet irons are oriented parallel to the feed direction. The upper and lower portions facing each other and house the inductor coil in the gap.
    • PCT No.PCT / IT92 / 00164 Sec。 371日期1994年5月23日 102(e)日期1994年5月23日PCT提交1992年12月17日PCT公布。 出版物WO93 / 12628 日期1993年6月24日在用于均匀加热在预定进料方向上连续输送的扁钢产品的感应炉包括一系列加热组件和放置在加热组件之间的成对辊,用于在进料中支撑和移动扁平产品 方向。 每个加热组件具有由单独的变频器和线性集流器馈送的窄感应线圈。 线圈横向于进给方向延伸。 扁平产品的进给方向的线圈尺寸为350mm。 或更少。 磁通集中器位于线圈附近并且沿线圈的纵向方向延伸。 集流器具有端部,上部和下部。 上部和下部在每个端部连接,并在其间形成中间间隙,以使扁平制品从中穿过。 该间隙在横向于线圈的纵向定向的方向上延伸穿过加热组件。 上部和下部各自形成为大致C形的磁性薄片铁排,并排设置,并且与线圈的纵向方向和由待加热的扁平产品限定的平面成直角。 片状铁杆平行于进给方向定向。 上部和下部彼此面对并将电感线圈放置在间隙中。
    • 6. 发明授权
    • Concentric electrode DC arc systems and their use in processing waste materials
    • 同心电极直流弧系统及其在处理废料中的应用
    • US06421500B2
    • 2002-07-16
    • US09742739
    • 2000-12-21
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • E21B715
    • C03B5/005C03B5/025F23G5/10F23G2202/20F23G2900/51001F27B3/085F27B3/12F27D1/0006F27D11/08F27D99/0006F27D2003/161F27D2099/0023F27D2099/0058F27D2099/006H05B7/06H05B7/109
    • An electrode assembly comprising concentric tubular electrodes is provided for high temperature processing of materials. The electrode assembly is connected with a power supply that includes switching means for alternatively operating the electrode assembly in a transferred mode of operation, in a non-transferred mode of operation, or according to a controlled sequence of non-transferred and transferred modes of operation. The power supply system includes variable inductors, such as leakage-coupled reactors, for controlling the electrical power supplied to the electrodes for producing a DC arc. The electrode assembly can be incorporated into an arc furnace for processing waste material in the furnace. The electrode assembly is also suitable for use in the practice of in-situ vitrification and remediation of contaminated soil. During in-situ vitrification, the electrode assembly may also be operated in the non-transferred mode, while being withdrawn from holes in the earth, to produce vitrified columns of soil. The vitrified columns of soil can be coalesced with similar adjacent columns of soil in order to form a composite or unitary subterranean mass or barrier for contaminated material in a selected area. Multiple electrode assemblies can be employed to treat contamination located within a large area. An AC potential can be applied to adjacent electrode assemblies in order to promote coalescence of the adjacent columns of treated soil to form a composite or unitary mass.
    • 提供包括同心管状电极的电极组件用于材料的高温处理。 电极组件与包括切换装置的电源连接,该开关装置用于以非转移的操作模式或按照受控顺序的非转移和转移的操作模式在转移的操作模式中操作电极组件 。 电源系统包括可变电感器,例如泄漏耦合电抗器,用于控制提供给电极的电力以产生直流电弧。 电极组件可以并入电弧炉中,用于在炉中处理废料。 电极组件也适用于实际的现场玻璃化和污染土壤的修复。 在原位玻璃化期间,电极组件也可以在非转移模式下操作,同时从地球中的孔中取出,以产生玻璃化的土壤柱。 土壤的玻璃化柱可以与类似的相邻的土壤柱聚结,以便在选定的区域中形成用于受污染材料的复合或整体地下物质或屏障。 可以使用多个电极组件来处理位于大面积内的污染物。 可以将AC电势施加到相邻的电极组件,以便促进经处理的土壤的相邻列的聚结,以形成复合或单一质量。
    • 7. 发明授权
    • Concentric electrode DC arc systems and their use in processing waste
materials
    • 同心电极直流弧系统及其在处理废料中的应用
    • US5673285A
    • 1997-09-30
    • US266209
    • 1994-06-27
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • J. Kenneth WittleRichard A. HamiltonCharles S. Titus
    • C03B5/00C03B5/02F27B3/08F27D99/00H05B7/06F27D3/00
    • F27D99/0006C03B5/005C03B5/025F27B3/085H05B7/06F27D2099/0023F27D2099/0058F27D2099/006
    • An electrode assembly comprising concentric tubular electrodes is provided for high temperature processing of materials. The electrode assembly is connected with a power supply that includes switching means for alternatively operating the electrode assembly in a transferred mode of operation, in a non-transferred mode of operation, or according to a controlled sequence of non-transferred and transferred modes of operation. The power supply system includes variable inductors, such as leakage-coupled reactors, for controlling the electrical power supplied to the electrodes for producing a DC arc. The electrode assembly can be incorporated into an arc furnace for processing waste material in the furnace. The electrode assembly is also suitable for use in the practice of in-situ vitrification and remediation of contaminated soil. During in-situ vitrification, the electrode assembly may also be operated in the non-transferred mode, while being withdrawn from holes in the earth, to produce vitrified columns of soil. The vitrified columns of soil can be coalesced with similar adjacent columns of soil in order to form a composite or unitary subterranean mass or barrier for contaminated material in a selected area. Multiple electrode assemblies can be employed to treat contamination located within a large area. An AC potential can be applied to adjacent electrode assemblies in order to promote coalescence of the adjacent columns of treated soil to form a composite or unitary mass.
    • 提供包括同心管状电极的电极组件用于材料的高温处理。 电极组件与包括切换装置的电源连接,该开关装置用于以非转移的操作模式或按照受控顺序的非转移和转移的操作模式在转移的操作模式中操作电极组件 。 电源系统包括可变电感器,例如泄漏耦合电抗器,用于控制提供给电极的电力以产生直流电弧。 电极组件可以并入电弧炉中,用于在炉中处理废料。 电极组件也适用于实际的现场玻璃化和污染土壤的修复。 在原位玻璃化期间,电极组件也可以在非转移模式下操作,同时从地球中的孔中取出,以产生玻璃化的土壤柱。 土壤的玻璃化柱可以与类似的相邻的土壤柱聚结,以便在选定的区域中形成用于受污染材料的复合或整体地下物质或屏障。 可以使用多个电极组件来处理位于大面积内的污染物。 可以将AC电势施加到相邻的电极组件,以便促进经处理的土壤的相邻列的聚结,以形成复合或单一质量。