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1. 发明授权

US4451332A Method for delignification of ligno-cellulose containing fiber material with an alkali-oxygen extraction stage 失效
标题翻译：用碱 - 氧萃取阶段木质纤维素含纤维材料去木质的方法
公开(公告)号：US4451332A
公开(公告)日：1984-05-29
申请号：US403070
申请日：1982-07-29
申请人： Goran E. Annergren , Tjell-Ake Hagglund , Per-Olov Lindblad , Lars-Ake T. Lindstrom , Lars E. Nasman
发明人： Goran E. Annergren , Tjell-Ake Hagglund , Per-Olov Lindblad , Lars-Ake T. Lindstrom , Lars E. Nasman
IPC分类号： D21C9/10 , D21C9/147 , D21C9/12 , D21C9/14 , D21C11/04
CPC分类号： D21C9/1026
摘要： A method is disclosed for delignification of ligno-cellulose containing fiber material comprising mixing an oxygen-containing gas with the cellulose fiber material so as to atomize the gas and form a foam of the gas and the cellulose fiber material, and without an intervening oxidation step, subjecting the foam to upwardly flowing, substantially non-pressurized, alkali extraction. The alkali extraction step is conducted at a temperature of from about 40.degree. to about 80.degree. C. and at a pH, ligno cellulose containing fiber concentration and oxygen containing gas concentration sufficient to provide a bleached, delignified cellulose fiber without bleaching the lignin substance extracted from the material and to suppress lignin condensation reaction during the extraction.
摘要翻译：公开了一种用于木素纤维素含纤维材料的脱木质素的方法，包括将含氧气体与纤维素纤维材料混合，以雾化气体并形成气体和纤维素纤维材料的泡沫，并且不需要介入氧化步骤，使泡沫体向上流动，基本上不加压的碱提取。碱提取步骤在约40至约80℃的温度下进行，并且在pH下，含有纤维浓度和含氧气体浓度的木质纤维素足以提供漂白的脱木素纤维素纤维而不漂白提取的木质素物质从材料中提取中抑制木质素缩合反应。

2. 发明授权

US4531892A Apparatus for pumping of pulp 失效
标题翻译：纸浆泵送装置
公开(公告)号：US4531892A
公开(公告)日：1985-07-30
申请号：US577827
申请日：1984-02-07
申请人： Lars E. Nasman , Alf I. Lindstrom
发明人： Lars E. Nasman , Alf I. Lindstrom
IPC分类号： B01F13/10 , D21C7/08 , F04B23/14 , F04D7/04 , F04D13/12
CPC分类号： B01F13/1025 , F04D13/12 , F04D7/04 , Y10S417/90
摘要： The apparatus comprises a centrifugal pump (1) fed by a screw feeder (8). The screw feeder comprises a screw (9) with a partially open thread (11). The screw (9) is driven separately in opposed direction to and with a lower speed than the impeller (3) of the pump (1). By this arrangement pulp of high concentration can be pumped.
摘要翻译：该装置包括由螺旋进料器（8）供给的离心泵（1）。螺旋给料机包括具有部分开放螺纹（11）的螺钉（9）。螺杆（9）以与泵（1）的叶轮（3）相反的方向相对于并且以比其低的速度分开驱动。通过这种方式，可以泵送高浓度的纸浆。

3. 发明授权

US4416548A Apparatus for gas or liquid admixture 失效
标题翻译：气体或液体混合物的装置
公开(公告)号：US4416548A
公开(公告)日：1983-11-22
申请号：US234786
申请日：1981-02-17
申请人： Olof G. Carre , Paul W. Josefsson , Lars E. Nasman , Stig B. H. Zetterqvist
发明人： Olof G. Carre , Paul W. Josefsson , Lars E. Nasman , Stig B. H. Zetterqvist
IPC分类号： B01F7/02 , B01F5/00 , B01F7/00 , B01F7/12 , D21B1/34 , D21C9/00 , D21C9/10
CPC分类号： B01F7/008 , D21B1/342 , D21C9/10 , B01F2005/0005
摘要： Methods and apparatus for continuously mixing fluid processing media with pulp suspensions are disclosed. The method includes supplying pulp suspensions to the central portion of the substantially planar radial face of a cylindrical rotor, feeding a fluid processing medium to the pulp suspension as it approaches the rotor face, forming an annular gap at the axial outer surface of the rotor, so that the rapid rotation of the rotor causes the pulp suspension and fluid processing medium to flow radially outward along the planar face and to pass axially through the annular gap, and effecting turbulence between the pulp suspension and the fluid processing medium at the entrance to that gap. The apparatus disclosed includes a cylindrical rotor having a substantially planar radial face and an axial outer surface, a housing surrounding the rotor including a pulp suspension inlet facing the center of the radial face of the rotor, and an outlet proximate to its axial outer surface, an annular gap between the axial outer surface and the housing along a predetermined portion of the axial outer surface of the rotor, a processing medium inlet for feeding the fluid processing medium to the pulp suspension inlet, and turbulence creating fingers located at the periphery of the substantially planar radial face of the rotor to create turbulence in the pulp suspension at the entrance to the annular gap.
摘要翻译：公开了用于连续混合流体处理介质与纸浆悬浮液的方法和装置。该方法包括将纸浆悬浮液供应到圆柱形转子的基本上平面的径向面的中心部分，当流体处理介质接近转子面时将流体处理介质供给到纸浆悬浮液，在转子的轴向外表面处形成环形间隙，使得转子的快速旋转导致纸浆悬浮液和流体处理介质沿着平坦表面径向向外流动并且轴向通过环形间隙，并且在该入口处的纸浆悬浮液和流体处理介质之间产生湍流间隙。所公开的装置包括具有基本上平面的径向面和轴向外表面的圆柱形转子，围绕转子的壳体，包括面向转子的径向面的中心的纸浆悬浮入口和靠近其轴向外表面的出口，所述轴向外表面和所述壳体之间的环形间隙沿着所述转子的轴向外表面的预定部分，用于将所述流体处理介质供给到所述纸浆悬浮入口的处理介质入口，以及产生位于所述转子的周边的手指的湍流转子的基本上平面的径向面，以在环形间隙的入口处在纸浆悬浮液中产生湍流。

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