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51. 发明授权

US07309401B2 Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester 有权
标题翻译：气相和液相连续蒸煮器的顶部分离器和蒸煮器的转化方法
公开(公告)号：US07309401B2
公开(公告)日：2007-12-18
申请号：US10823763
申请日：2004-04-14
申请人： Keith P. Vogel , John F. Bolles , Patrick J. Sullivan , C. Bertil Stromberg
发明人： Keith P. Vogel , John F. Bolles , Patrick J. Sullivan , C. Bertil Stromberg
IPC分类号： D21C7/00
CPC分类号： D21C3/24 , D21C7/06 , D21C7/14
摘要： A continuous digester for producing chemical cellulose pulp from cellulose chips including: a digester vessel with an upper section attached to a top separator and said vessel at least partially filled with the cellulose chips and a liquor; a top separator at least partially in said upper section having a lower chip inlet port, a chip conveyor, a screen adjacent the conveyor, an upper chip discharge chute, and a liquor outlet facing a side of the screen opposite to the conveyor, and a chip inlet conduit extending into the vessel and having a first operational mode in fluid communication with the chip inlet port and a second operational mode in which the chip inlet conduit discharges directly into the vessel.
摘要翻译：一种用于从纤维素片制造化学纤维素纸浆的连续消化器，包括：具有上部连接到顶部分离器的所述蒸煮器容器，所述容器至少部分地填充有纤维素片和液体; 至少部分地在所述上部分中具有下部芯片入口的顶部分离器，切屑输送机，邻近输送机的筛网，上部切屑排出槽和面向筛网与输送机相对的一侧的液体出口，以及芯片入口导管延伸到容器中并且具有与芯片入口端口流体连通的第一操作模式和芯片入口导管直接排放到容器中的第二操作模式。

52. 发明授权

US06436233B1 Feeding cellulose material to a treatment vessel 失效
标题翻译：将纤维素材料送入处理容器
公开(公告)号：US06436233B1
公开(公告)日：2002-08-20
申请号：US09573046
申请日：2000-05-18
申请人： Mark D. Barrett , J. Robert Prough , C. Bertil Stromberg
发明人： Mark D. Barrett , J. Robert Prough , C. Bertil Stromberg
IPC分类号： D21C110
CPC分类号： D21C7/08 , D21C7/06
摘要： A feed system for a cellulose pulp treating vessel (such as a continuous digester) is not limited by the required L/W ratio of the pump feeding a wood chip slurry to a high pressure transfer device, the feed system may be kept at a low temperature to minimize flashing of liquid into steam, and a return conduit from the treatment vessel to the transfer device high pressure inlet may be eliminated. Some of the liquid is removed from the slurry just before the low pressure inlet to the transfer device, and/or just after the high pressure outlet, to reduce the L/W ratio of the slurry by at least 0.25, e.g. from 3.0:1 to 2.25:1 just before the low pressure inlet, and from 7.0:1 to 5.0:1 substantially immediately after the high pressure outlet.
摘要翻译：用于纤维素纸浆处理容器（例如连续蒸煮器）的进料系统不受供应木屑浆料与高压转移装置的泵的所需L / W比的限制，进料系统可以保持在低温度以最小化液体进入蒸汽的闪烁，并且可以消除从处理容器到转印装置高压入口的返回管道。一些液体刚刚在转移装置的低压入口之前和/或刚刚在高压出口之后从浆料中除去，以将浆料的L / W比降低至少0.25，例如。在低压入口之前的3.0:1至2.25:1，并且在高压出口之后基本上立即从7.0:1至5.0:1。

53. 发明授权

US06368453B1 Chip feeding to a comminuted cellulosic fibrous material treatment vessel 失效
标题翻译：向粉碎的纤维素纤维材料处理容器进行切片送料
公开(公告)号：US06368453B1
公开(公告)日：2002-04-09
申请号：US09520761
申请日：2000-03-07
申请人： Auvo K. Kettunen , Richard O. Laakso , C. Bertil Stromberg , J. Robert Prough , Jay J. Miele
发明人： Auvo K. Kettunen , Richard O. Laakso , C. Bertil Stromberg , J. Robert Prough , Jay J. Miele
IPC分类号： D21C706
CPC分类号： D21C7/06
摘要： In the feeding of a slurry of comminuted cellulosic fibrous material to a digester (continuous or batch) in the production of chemical pulp, one of the tanks used in the feed system (which preferably includes a high pressure feeder) may be eliminated without consequent loss of its function by providing a single tank with the combined functions of controlling the level of liquid in a slurrying conduit which supplies slurry to a slurry pump, and storing and substantially continuously supplying liquid to a make-up liquid pump connected to the digester. The single tank preferably surrounds the slurrying conduit and is substantially concentric, and in liquid communication, with it. A gap of 3-48 inches may be provided between the bottom of the conduit and a connection to the slurry pump. A screen or strainer may be provided in the gap, which is substantially surrounded by the tank. The return system from the low pressure outlet of the high pressure feeder to the slurrying device (like the conduit and tank surrounding it, or a conventional clip tube) may be devoid of one or more of an in-line drainer, level tank, centrifugal separator, and surge tank.
摘要翻译：在生产化学纸浆时将粉碎的纤维素纤维材料的浆料喂入蒸煮器（连续或间歇）中，可以消除在进料系统（优选包括高压进料器）中使用的一个罐，而不会随之而来的损失其功能是提供一个单一的罐，其具有控制在淤浆泵中提供浆料的浆料管道中的液体液面的组合功能，并且储存并基本上连续地向连接到蒸煮器的补充液体泵供应液体。单个罐优选地围绕着浆化管道并且与其基本上同心并且与液体连通。可以在管道的底部和与浆料泵的连接之间提供3-48英寸的间隙。可以在间隙中设置屏幕或过滤器，该间隙基本上被箱体包围。从高压给料器的低压出口到制浆装置（如围绕它的导管和罐或常规的夹管）的返回系统可以没有一个或多个在线排水器，液位罐，离心机分离器和缓冲罐。

54. 发明授权

US06248208B1 Pretreatment of chips before cooking 失效
标题翻译：烹饪前预处理薯片
公开(公告)号：US06248208B1
公开(公告)日：2001-06-19
申请号：US08460723
申请日：1995-06-02
申请人： Kaj O. Henricson , Aki Hannu Vilpponen , Hannu Olavi Ramark , Auvo Kimmo Kettunen , C. Bertil Stromberg
发明人： Kaj O. Henricson , Aki Hannu Vilpponen , Hannu Olavi Ramark , Auvo Kimmo Kettunen , C. Bertil Stromberg
IPC分类号： D21C102
CPC分类号： D21C1/06
摘要： The strength properties of chemical cellulose pulp (particularly kraft pulp) are improved by substituting a cold impregnation soak for conventional impregnation procedures. After steaming, wood chips are soaked in an alkaline liquid at a temperature of about 80-110° C. (preferably 80-100° C., or alternatively 90-105° C.) for between one-half-72 hours (typically about 2-4 hours) at a pressure of about 0-15 bar (preferably about 1-5 bar), to dissolve at least about 8% of the wood (preferably about 10-20%) and at least about 15% of the lignin. The alkaline liquid used preferably contains sulfide (e.g. black liquor, green liquor, white liquor, or mixtures thereof), but almost any alkaline liquid having an alkali concentration of about 1.0 mole of NaOH/liter or less (typically about 0.75 m/l or less) is suitable. The wood chips are then raised to a cooking temperature of about 145-180° C. and cooked to produce the cellulose chemical pulp. There may be an intermediate step, between soaking and raising the cooking temperature, of heating the wood chips to a temperature of about 110-150° C. (preferably about 120-140° C.) for about 10-90 minutes (preferably about 10-30 minutes). Alternatively or additionally the majority of the dissolved lignin (and/or other solids) may be removed before raising the wood chips to cooking temperature. The system for treating the wood chips need only include a low pressure soaking vessel (with an associated pump or other transfer device) in addition to conventional equipment.
摘要翻译：化学纤维素纸浆（特别是牛皮纸浆）的强度性能通过用常规浸渍方法的冷浸渍浸渍来改善。蒸汽之后，将木屑浸入碱性液体中，温度约为80-110℃（优选80-100℃，或90-105℃）浸渍半个小时之间（通常为约2-4小时），在约0-15巴（优选约1-5巴）的压力下溶解至少约8％的木材（优选约10-20％）和至少约15％木质素。使用的碱性液体优选含有硫化物（例如黑液，绿液，白液或其混合物），但几乎任何碱性浓度为约1.0摩尔NaOH /升或更低（通常约0.75米2 /升）或少）适合。然后将木屑升至约145-180℃的烹饪温度，并煮熟以生产纤维素化学纸浆。在浸泡和提高烹饪温度之间可以有一个中间步骤，将木片加热至约110-150℃（优选约120-140℃）的温度约10-90分钟（优选约为 10-30分钟）。或者或另外，在将木屑升高至烹饪温度之前，可以除去大部分溶解的木质素（和/或其它固体）。用于处理木片的系统除了常规设备之外仅需要包括低压均热容器（具有相关联的泵或其它转移装置）。

55. 发明授权

US06174411B1 Continuous digester with inverted top separator 有权
标题翻译：连续消化器，倒置顶部分离器
公开(公告)号：US06174411B1
公开(公告)日：2001-01-16
申请号：US09192578
申请日：1998-11-17
申请人： Richard Laakso , C. Bertil Stromberg , Kaj O. Henricson
发明人： Richard Laakso , C. Bertil Stromberg , Kaj O. Henricson
IPC分类号： D21C700
CPC分类号： D21C7/06 , D21C3/24
摘要： A cellulose pulp continuous digester (e.g. for producing kraft pulp) is operated so that it has an inverted top separator and is hydraulically filled to above the level of the inverted top separator, and may be substantially completely hydraulically full. A plurality of different liquor flows may be extracted from the inverted top separator, and an in-line drainer may be provided in a conduit through which liquid is extracted.
摘要翻译：操作纤维素纸浆连续蒸煮器（例如用于生产牛皮纸浆）的操作使得其具有倒置的顶部分离器，并且液压填充到反向顶部分离器的水平面之上，并且可以基本上完全液压地充满。可以从倒置的顶部分离器中提取多个不同的液流，并且可以在导管中设置在线的排水器，通过该导管抽出液体。

56. 发明授权

US5813758A Concentric ring fluidizing mixer 失效
标题翻译：同心环流化搅拌机
公开(公告)号：US5813758A
公开(公告)日：1998-09-29
申请号：US164889
申请日：1993-12-10
申请人： Thomas R. Delcourt , Johan Gullichsen , Ronald G. Bain , C. Bertil Stromberg
发明人： Thomas R. Delcourt , Johan Gullichsen , Ronald G. Bain , C. Bertil Stromberg
IPC分类号： B01F5/00 , B01F7/00 , B01F5/04
CPC分类号： B01F7/008 , B01F7/00191 , B01F7/00833 , B01F2005/0008
摘要： A mixer, having a unique rotor, is particularly suitable for mixing paper pulp having a consistency of about 6-15% (medium consistency) with a bleaching gas having an ozone content of at least one percent, and typically at least six percent. The rotor comprises a disc shaped base, a hub at the center of the base for connecting it to a drive mechanism for driving the rotor at an angular velocity of 1000-6000 rpm, and one or more rings concentric with the base and extending outwardly from the base at least about three inches (and of the same for different heights). A number of blades may extend radially through the center of the base along the contour of the rings, extending outwardly from the base, rings, and hub. Degassing holes may be formed in the hub and connected up to a suitable degassing structure in the mixer. The rings may have a cross-sectional shape corresponding to that of a truncated right circular cone frustum, or may have a rectangular cross-section. The rotor is mounted in a housing having a pulp inlet and outlet, and the stator has complimentary shaped cooperating surfaces with the rotor defining annular mixing volumes, the cooperating surfaces having a spacing of 0.5 inches or less (preferably 0.25 inches or less). The fluid to be mixed with the pulp is introduced into the inlet adjacent the rotor and into the mixing volumes, for example at the extremity of the rings from the base.
摘要翻译：具有独特转子的混合器特别适用于混合具有约6-15％（中等稠度）稠度的纸浆与臭氧含量至少为1％，通常至少6％的漂白气体。转子包括盘形基座，位于基座中心的轮毂，用于将其连接到用于以1000-6000rpm的角速度驱动转子的驱动机构，以及一个或多个与基座同心并且从底部向外延伸的环基座至少约三英寸（对于不同的高度也是相同的）。许多叶片可以沿着环的轮廓径向延伸穿过基部的中心，从基部，环和轮毂向外延伸。脱气孔可以在轮毂中形成并且在混合器中连接到合适的脱气结构。环可以具有对应于截头圆锥形截头锥体的横截面形状，或者可以具有矩形横截面。转子安装在具有纸浆入口和出口的壳体中，并且定子具有互补的成形配合表面，转子限定环形混合体积，配合表面具有0.5英寸或更小（优选0.25英寸或更小）的间距。要与纸浆混合的流体被引入到与转子相邻的入口中，并被引入到混合体积中，例如在环的离开底部的末端。

57. 发明授权

US4927312A Chip gates with air lock 失效
标题翻译：带气锁的芯片门
公开(公告)号：US4927312A
公开(公告)日：1990-05-22
申请号：US195890
申请日：1988-05-19
申请人： Michael D. Meredith , Joseph R. Phillips , Richard O. Laakso , C. Bertil Stromberg
发明人： Michael D. Meredith , Joseph R. Phillips , Richard O. Laakso , C. Bertil Stromberg
IPC分类号： B65D90/62 , D21B1/02 , D21C7/06
CPC分类号： B65D90/623 , D21B1/021 , D21C7/06
摘要： Chip gates are provided adjacent the lower end of an inlet chute to a presteaming vessel for a digester in a pulp production system. The chip gates are operated to maintain a level of chips within the inlet chute sufficient such that the chips preclude egress of noxious odorous gas from the presteaming vessel, while simulataneously the chips are discharged into the vessel.
摘要翻译：芯片浇口邻近入口槽的下端设置到纸浆生产系统中用于蒸煮器的预蒸发容器。操作芯片闸门以保持入口槽中的芯片水平足够，使得芯片排除来自预蒸发容器的有害恶臭气体的排出，同时将芯片排放到容器中。

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