公开(公告)号：US08181888B2

公开(公告)日：2012-05-22

申请号：US12772650

申请日：2010-05-03

申请人： Todd S. Grace ,  David Hollis Gordy ,  David Brin Tidwell

发明人： Todd S. Grace ,  David Hollis Gordy ,  David Brin Tidwell

IPC分类号： B05B17/00

CPC分类号： B08B3/022 ,  D21D1/40 ,  Y10T29/49826

摘要： A method to assemble a nozzle-fastener assembly including: inserting a hollow stem through a wash liquid direction device; inserting the hollow stem through a mounting block; positioning an inside surface of the mounting block against a curved surface of a wash liquid distribution pipe and an outside surface of the block against the wash liquid direction device; attaching the nozzle-fastener to an aperture in the pipe such that an inlet to the hollow stem is in fluid communication with a wash liquid passage in the pipe, wherein the stem extends through the mounting block and the wash liquid direction device, and the stem includes a outlet for the wash liquid passing through the hollow stem and to the wash liquid direction device, and wherein the wash liquid direction device and mounting block are held together by the attachment of the nozzle-fastener to the aperture in the wash liquid pipe.

摘要翻译： 一种组装喷嘴紧固件组件的方法，包括：通过洗涤液体方向装置插入中空杆; 通过安装块插入中空杆; 将安装块的内表面抵靠洗涤液体分配管的弯曲表面和块体的外表面抵靠洗涤液体方向装置; 将所述喷嘴紧固件附接到所述管中的孔，使得所述中空杆的入口与所述管中的洗涤液通道流体连通，其中所述杆延伸穿过所述安装块和所述洗涤液体方向装置，并且所述杆 包括通过中空杆和洗涤液方向装置的洗涤液的出口，并且其中通过将喷嘴紧固件附接到洗涤液管中的孔将洗涤液方向装置和安装块保持在一起。

公开(公告)号：US07293659B2

公开(公告)日：2007-11-13

申请号：US11443272

申请日：2006-05-31

申请人： Todd S. Grace

发明人： Todd S. Grace

IPC分类号： B01D33/067 ,  B01D33/073

CPC分类号： B01D33/067 ,  B01D33/073 ,  B01D33/74

摘要： A drum structure for corrugated type rotary filters has relatively high filtering efficiency and relatively low manufacturing and/or installation costs. More specifically, a corrugated deck section is rigidly connected to a rotary drum structure by means of solid non-apertured divider grids which establish a drain channel. The drain channel is subdivided into respective compartments by means of intermediate solid non-apertured grids which are unconnected to the corrugated deck, but provide subjacent radial support thereto. Drainage slits are provided in the corrugated deck in alignment with each of the compartments. Plug dams are provided in the corrugation spaces between the upper edge of the intermediate grids and the lower corrugated deck surface so as to prevent substantially filtrate flow between individual compartments. Filtrate may thus flow through the drainage slits and into a respective one of the compartments where it can then subsequently be drained transversely and longitudinally into a respective port associated with the drum filter.

摘要翻译： 用于波纹型旋转过滤器的鼓结构具有相对较高的过滤效率和相对低的制造和/或安装成本。 更具体地，通过建立排水通道的固体非孔径分隔栅极将波纹板层段刚性连接到旋转鼓结构。 排水通道借助于未连接到瓦楞纸板的中间固体无孔栅格细分成相应的隔间，但是向下提供其下径向支撑。 在瓦楞纸板中设置有与每个隔间对准的排水狭缝。 在中间格栅的上边缘和下波纹甲板表面之间的波纹空间中设置有塞坝，以防止基本上滤液在各隔室之间流动。 因此，滤液可以流过排水狭缝并进入相应的一个隔间，然后可随后将横向和纵向排出到与鼓式过滤器相关联的相应端口中。

公开(公告)号：US5338366A

公开(公告)日：1994-08-16

申请号：US997711

申请日：1993-01-04

申请人： Todd S. Grace ,  Mark D. Barrett ,  Vic L. Bilodeau ,  Gary L. McCarty ,  Brian F. Greenwood ,  J. Robert Prough ,  Louis O. Torregrossa

发明人： Todd S. Grace ,  Mark D. Barrett ,  Vic L. Bilodeau ,  Gary L. McCarty ,  Brian F. Greenwood ,  J. Robert Prough ,  Louis O. Torregrossa

IPC分类号： C12P7/10 ,  C13B10/14 ,  C13K13/00 ,  D21C1/04 ,  C13D1/14 ,  D21B1/12

CPC分类号： C13B10/14 ,  C12P7/10 ,  C13K13/00 ,  D21C1/04 ,  Y02E50/16

摘要： Biomass, such as bagasse, is pre-hydrolyzed, to ultimately effect hydrolysis of hemicellulose to sugars. Biomass is mixed with a mineral acid solution to form a slurry having a consistency of about 8 to 12% so that the acid solution properly wets the biomass. Then the slurry is dewatered to about 35 to 50% consistency, and is heated to reaction temperature (e. g. about 320.degree. F.) by direct contact with steam in the vapor phase of a vertical pressurized reactor, having a pressure of about 40 psig. A fluffer is preferably provided in the top of the reaction vessel. After a reaction time of about 30 minutes, the biomass is diluted and cold blown out of the bottom of the reactor. Pressate from the dewatering has acid added to it and is heated by indirect heat exchange with a sugar solution obtained by washing of the biomass discharged from the reactor, and is then mixed with the biomass as the acid solution.

摘要翻译： 生物质如甘蔗渣被预水解，以最终将半纤维素水解成糖。 将生物质与无机酸溶液混合以形成具有约8至12％浓度的浆料，使得酸溶液适当地润湿生物质。 然后将浆料脱水至约35％至50％的稠度，并通过与垂直加压反应器的气相中的蒸汽直接接触将其加热至反应温度（例如约320°F），压力为约40psig。 优选在反应容器的顶部设置起绒毛。 在约30分钟的反应时间后，将生物质稀释并冷却从反应器的底部吹出。 从脱水中加入酸加入，并通过与通过洗涤从反应器排出的生物质洗涤得到的糖溶液进行间接热交换加热，然后与作为酸溶液的生物质混合。

公开(公告)号：US08349060B2

公开(公告)日：2013-01-08

申请号：US12336061

申请日：2008-12-16

申请人： Kimmo Peltonen ,  Todd S. Grace

发明人： Kimmo Peltonen ,  Todd S. Grace

IPC分类号： B01D47/10

CPC分类号： B01D47/10 ,  B01D47/06 ,  B01D2247/103 ,  B01D2247/106

摘要： A scrubber removes matter (e.g., particulate, gaseous, or liquid) from a gas stream in order to recover the matter and/or to clean the gas. In particular aspects, the scrubber contains multiple venturis that may provide additional flexibility and increased efficiency. The invention also pertains to related methods.

公开(公告)号：US08281936B2

公开(公告)日：2012-10-09

申请号：US11617273

申请日：2006-12-28

申请人： Todd S. Grace

发明人： Todd S. Grace

IPC分类号： B01D

CPC分类号： B01D33/073 ,  B01D33/742

摘要： A vacuum drum washer including: a cylindrical drum including a screen and deck defining an exterior cylindrical surface; a plurality of outer filtrate channels disposed inward of the screen, the outer filtrate channels extending along a longitudinal axis of the drum and substantially an entire length of the drum; an radial array of filtrate end conduits extending radially inward from the outer filtrate channels towards a rotational axis of the drum, the radial filtrate conduits have an inlet positioned at a first end of the drum and draining filtrate from the outer filtrate channels; a filtrate chamber at the first end of the drum and receiving filtrate discharged from the end conduits, and an array of radial filtrate drainage conduits coupled to receive filtrate from the filtrate channels, the drainage conduits each having an inlet proximate to the filtrate channels, the inlets are arranged between a center of the drum and a second end of the drum, and the radial drainage conduits directing filtrate to the filtrate chamber.

摘要翻译： 一种真空鼓垫圈，包括：圆筒形滚筒，其包括限定外圆筒表面的筛网和甲板; 多个外滤液通道，其设置在筛网的内部，外滤液通道沿滚筒的纵向轴线和滚筒的大致整个长度延伸; 径向阵列的滤液末端导管从外部滤液通道径向向内延伸到滚筒的旋转轴线，径向滤液导管具有位于滚筒第一端的入口，并从滤液外滤液排出; 在滚筒的第一端处的滤液室，并接收从末端导管排出的滤液，以及一组径向滤液排出导管，其连接以接收来自滤液通道的滤液，排水管道各自具有靠近滤液通道的入口， 入口布置在滚筒的中心和滚筒的第二端之间，并且径向排出导管将滤液引导至滤液室。

公开(公告)号：US07780815B2

公开(公告)日：2010-08-24

申请号：US11762111

申请日：2007-06-13

申请人： Todd S. Grace

发明人： Todd S. Grace

IPC分类号： D21C9/02

CPC分类号： D21C9/18 ,  B30B9/20

摘要： In a rotary drum for condensing pulp from a pulp slurry vat, the drum including radial conduits delivering filtrate from a pulp mat on an outer surface of the drum to at least one filtrate conduit coaxial with a drum rotational axis, a valve segment in the filtrate conduit including: an outer surface juxtaposed against drainage outlets of the radial conduits as the conduits pass through an angular range extending from an upper drum position to an immersed in a vat position, wherein the valve segment does not block the drainage outlets during a majority of the rotation of the drum; at least one inlet aperture on the outer surface aligned with the drainage outlets, said inlet aperture extending at least a majority of a width of the valve segment, and a closed passage extending from the inlet aperture to a gas vent external to the filtrate conduit, wherein the closed passage is offset from and below a centerline of the filtrate conduit.

摘要翻译： 在用于从纸浆浆桶中冷凝纸浆的旋转鼓中，滚筒包括径向导管，其将滤液从滚筒的外表面上的纸浆垫传送到与滚筒旋转轴线同轴的至少一个滤液导管，滤液中的阀段 导管包括：当导管穿过从上鼓位置延伸到浸入位槽位置的角度范围时，外表面与径向导管的排出口并置，其中阀段在大多数情况下不阻塞排水出口 滚筒的旋转; 所述外表面上的至少一个入口孔与所述排出口对准，所述入口孔延伸至所述阀段的宽度的至少大部分，以及从所述入口孔延伸到所述滤液导管外部的气体通道的封闭通道， 其中所述封闭通道偏离所述滤液导管的中心线和下方。

公开(公告)号：US07347916B2

公开(公告)日：2008-03-25

申请号：US11210268

申请日：2005-08-24

申请人： Todd S. Grace

发明人： Todd S. Grace

IPC分类号： D21C9/02

CPC分类号： D21C9/06 ,  B07B1/22 ,  B07B1/50

摘要： A vacuum drum washer is designed to enable the use of an end-draining drum for drum lengths exceeding 20 feet. The drum washer includes a cylindrical drum having a mesh screen defining an exterior wall. A plurality of outer filtrate channels are disposed radially inward from the mesh screen. A plurality of inner filtrate channels are disposed radially inward from the outer filtrate channels and extend along generally less than an entire length of the drum. A transfer channel connects the outer filtrate channels and the inner filtrate channels. A plurality of radial drainage chutes are disposed adjacent a head end of the outer and inner filtrate channels, which direct the filtrate to a drain valve.

摘要翻译： 真空鼓垫圈设计成能够使用超过20英尺的鼓长度的排气鼓。 滚筒洗衣机包括具有限定外壁的网眼筛的圆筒形滚筒。 多个外部滤液通道从筛网径向向内设置。 多个内部滤液通道从外部滤液通道径向向内设置并且沿着通常小于滚筒的整个长度延伸。 转移通道连接外滤液通道和内滤液通道。 多个径向排水滑槽邻近外部和内部滤液通道的头端设置，将滤液引导到排水阀。

公开(公告)号：US06375795B2

公开(公告)日：2002-04-23

申请号：US09726393

申请日：2000-12-01

申请人： David J. Lebel ,  Todd S. Grace

发明人： David J. Lebel ,  Todd S. Grace

IPC分类号： D21C1106

CPC分类号： D21C7/06

摘要： The release of malodorous TRS-containing gases from a comminuted cellulosic fibrous material feed system for a digester is minimized utilizing a particular arrangement associated with a pressure isolation device. Material is fed through the pressure isolation device and the pressure of the material increases from the inlet to the outlet, and the material is discharged from the pressure isolation device into a treatment vessel, such as a horizontal steaming vessel. Malodorous gases from the pressure isolation device are discharged substantially independently of the material discharged from the isolation device, and at least some of the malodorous gases discharged from the pressure isolation device are pressurized (e.g. in an eductor or thermocompressor) and reintroduced into the flow of cellulosic material downstream of the pressure isolation device (for example into the horizontal steaming vessel or a vessel downstream of it). In the horizontal steaming vessel the gases can be removed from a top portion thereof and fed to an NCG system associated with the pulp mill.

摘要翻译： 使用与压力隔离装置相关联的特定布置，使来自用于蒸煮器的粉碎的纤维素纤维材料进料系统的含恶臭TRS的气体的释放被最小化。 材料通过压力隔离装置进料，并且材料的压力从入口到出口增加，并且材料从压力隔离装置排出到诸如卧式蒸汽容器的处理容器中。 来自压力隔离装置的恶臭气体基本上独立于从隔离装置排出的材料排出，并且从压力隔离装置排出的至少一些恶臭气体被加压（例如在喷射器或热压缩机中），并被重新引入到 压力隔离装置下游的纤维素材料（例如进入卧式蒸汽容器或其下游的容器）。 在卧式蒸汽容器中，气体可以从其顶部部分去除，并被供给到与纸浆厂相关的NCG系统。

公开(公告)号：US07981248B2

公开(公告)日：2011-07-19

申请号：US12860991

申请日：2010-08-23

申请人： Todd S. Grace

发明人： Todd S. Grace

IPC分类号： D21C9/02

CPC分类号： D21C9/18 ,  B30B9/20

摘要： A method of treating pulp on a porous surface of a rotating drum cylinder having a lower drum portion in a vat of pulp slurry and a radial array of filtrate conduits including: as the porous surface of the drum rotates through the vat, drawing filtrate from the slurry through the porous surface by the application of a suction to the filtrate conduits vacuum; draining the filtrate from the filtrate conduits into the filtrate chamber and to a filtrate suction conduit extending to an elevation below the vat; forming a pulp mat on the porous surface which passes filtrate and substantially blocks fibers in the pulp slurry; removing the pulp mat on the porous surface from the vat as the drum rotates; draining filtrate from the filtrate suction conduit, and before excessive gases passing through the porous surface enter the filtrate conduits, switching a fluid flow downstream of the filtrate conduits to a gas vent passage offset and below from a drum rotational axis.

摘要翻译： 一种处理滚筒圆筒的多孔表面上的纸浆的方法，所述滚筒在具有大量纸浆的槽中具有下鼓部分和滤液导管的径向阵列，该方法包括：当滚筒的多孔表面通过槽旋转时，将滤液从 浆料通过多孔表面通过抽吸到滤液管道进行真空; 将滤液从滤液管道排出到滤液室中，并将滤液抽吸管道延伸至大桶下面的高度; 在多孔表面上形成纸浆垫，其通过滤液并基本上阻挡纸浆中的纤维; 当滚筒旋转时从桶中去除多孔表面上的纸浆垫; 从滤液抽吸管道排出滤液，并且在通过多孔表面的过量气体进入滤液导管之前，将滤液导管下游的流体流转换到从滚筒旋转轴线偏移并且低于鼓轮旋转轴线的气体通道。

公开(公告)号：US20100205796A1

公开(公告)日：2010-08-19

申请号：US12772650

申请日：2010-05-03

申请人： Todd S. Grace ,  David Hollis Gordy ,  David Brin Tidwell

发明人： Todd S. Grace ,  David Hollis Gordy ,  David Brin Tidwell

IPC分类号： B23P17/04

CPC分类号： B08B3/022 ,  D21D1/40 ,  Y10T29/49826

摘要： A method to assemble a nozzle-fastener assembly including: inserting a hollow stem through a wash liquid direction device; inserting the hollow stem through a mounting block; positioning an inside surface of the mounting block against a curved surface of a wash liquid distribution pipe and an outside surface of the block against the wash liquid direction device; attaching the nozzle-fastener to an aperture in the pipe such that an inlet to the hollow stem is in fluid communication with a wash liquid passage in the pipe, wherein the stem extends through the mounting block and the wash liquid direction device, and the stem includes a outlet for the wash liquid passing through the hollow stem and to the wash liquid direction device, and wherein the wash liquid direction device and mounting block are held together by the attachment of the nozzle-fastener to the aperture in the wash liquid pipe.

摘要翻译： 一种组装喷嘴紧固件组件的方法，包括：通过洗涤液体方向装置插入中空杆; 通过安装块插入中空杆; 将安装块的内表面抵靠洗涤液体分配管的弯曲表面和块体的外表面抵靠洗涤液体方向装置; 将所述喷嘴紧固件附接到所述管中的孔，使得所述中空杆的入口与所述管中的洗涤液通道流体连通，其中所述杆延伸穿过所述安装块和所述洗涤液体方向装置，并且所述杆 包括通过中空杆和洗涤液方向装置的洗涤液的出口，并且其中通过将喷嘴紧固件附接到洗涤液管中的孔将洗涤液方向装置和安装块保持在一起。