公开(公告)号：US5481789A

公开(公告)日：1996-01-09

申请号：US202514

申请日：1994-02-28

Applicant: John Thomas

Inventor： John Thomas

IPC: B01D21/06 ,  B23P19/00

CPC classification number: B01D21/06 ,  B01D21/0006 ,  B01D21/20 ,  B01D21/2427 ,  Y10T29/4973 ,  Y10T29/49822

Abstract: Disclosed herein is a simple and inexpensive system for removing a single piece ring gear from a tank of a circular clarifier without the need to completely remove a bridge mounted on a pier in the clarifier. The bridge remains useable while the gear is removed, repaired, or replaced.

Abstract translation: 本文公开了一种用于从圆形澄清器的罐移除单件环形齿轮的简单且便宜的系统，而不需要完全移除安装在澄清器中的码头上的桥。 当齿轮拆卸，维修或更换时，桥梁仍然可用。

公开(公告)号：US5249597A

公开(公告)日：1993-10-05

申请号：US958658

申请日：1992-10-08

Applicant: John Thomas

Inventor： John Thomas

IPC: F16K17/19 ,  F16K17/194

CPC classification number: F16K17/194 ,  F16K17/19 ,  Y10T137/7771 ,  Y10T137/7914

Abstract: A pressure relief valve selectively permitting fluid flow through the valve if the pressure on one side of the valve exceeds the pressure on the other side of the valve by a set amount, the pressure relief valve including a first valve member having a valve seat surface, and a movable valve member adapted to releasably engage the first valve member. The movable valve member includes a body portion having a periphery, the periphery having a downwardly extending annular flange engaging the valve seat surface. The downwardly extending annular flange includes a generally spherical valve surface adapted to provide a seal with the valve seat surface by engaging a resilient sealing ring on the valve seat surface. A flexible diaphragm causes movement of the movable valve member away from the valve seat when the pressure on the other side of the valve exceeds the pressure on the one side of the valve by a selected amount. Further, the movable valve member moves away from the valve seat without the action of the diaphragm when the pressure on the one side of the valve exceeds the pressure on the other side of the valve by a selected amount.

Abstract translation: 如果阀的一侧上的压力超过阀的另一侧的压力一定量，则压力释放阀选择性地允许流体流过阀，该压力释放阀包括具有阀座表面的第一阀构件， 以及适于可释放地接合第一阀构件的可动阀构件。 可移动阀构件包括具有周边的主体部分，周边具有与阀座表面接合的向下延伸的环形凸缘。 向下延伸的环形凸缘包括大致球形的阀表面，其适于通过将弹性密封环接合在阀座表面上来提供与阀座表面的密封。 当阀的另一侧的压力超过阀门一侧的压力一个选定的量时，柔性隔膜引起可动阀构件远离阀座移动。 此外，当阀的一侧的压力超过阀的另一侧的压力一定数量时，可移动的阀构件不受隔膜的作用而远离阀座移动。

公开(公告)号：US4961854A

公开(公告)日：1990-10-09

申请号：US213321

申请日：1988-06-30

Applicant: John W. Wittmann ,  Donald J. Thiel ,  George W. Smith

Inventor： John W. Wittmann ,  Donald J. Thiel ,  George W. Smith

IPC: B01F3/04 ,  B01F13/10 ,  C02F3/12 ,  C02F3/20

CPC classification number: C02F3/121 ,  B01F3/04113 ,  B01F3/04269 ,  C02F3/201 ,  B01F13/1013 ,  B01F2003/04148 ,  B01F2003/04297 ,  B01F2013/1052 ,  Y02W10/15 ,  Y10S210/903 ,  Y10S210/906

Abstract: Wastewater and recycled activated sludge are homogeneously mixed in a first aeration zone by injecting an oxygen-containing gas such as air into the lower portion of the zone under conditions which produce a complete mix reaction and sufficient oxygen is supplied to meet the biological oxygen demands of the mixed liquor. The gas is introduced, preferably by a plurality of fine bubble membrane diffusers, in the form of fine bubbles having a diameter less than about 4 mm. The bubbles provide both the mixing to keep solids in suspension and the oxygen required to maintain the overall dissolved oxygen content in the first aeration zone as close to 0 as possible. The mixed liquor is sequentially contacted with an oxygen-containing gas in second and third aeration zones under conditions which produce a complete mix reaction, preferably by fine bubble membrane diffusers, clarified and a portion of the settled sludge is recycled to the first aeration zone.

Abstract translation: 废水和再循环的活性污泥在第一曝气区中均匀混合，通过在产生完全混合反应的条件下将含氧气体如空气注入该区域的下部，并提供足够的氧以满足生物需氧量 混合酒。 优选通过多个细气泡膜扩散器引入气体，其形式为直径小于约4mm的细小气泡。 气泡提供混合以保持固体悬浮，并且将第一曝气区中的总溶解氧含量保持在尽可能接近0的所需的氧气。 在产生完全混合反应的条件下，优选通过细气泡膜扩散器澄清，并将一部分沉淀的污泥再循环到第一曝气区，在第二和第三通气区中，将混合液依次与含氧气体接触。

公开(公告)号：US4932927A

公开(公告)日：1990-06-12

申请号：US175620

申请日：1988-03-25

Applicant: John A. Fillar

Inventor： John A. Fillar

IPC: B65G17/38 ,  F16G13/02 ,  F16G13/06 ,  F16G13/14

CPC classification number: B65G17/38 ,  F16G13/02 ,  F16G13/06 ,  F16G13/14 ,  B65G2201/02

Abstract: A link assembly for a lightweight, non-metallic, conveyor or load transmission chain having significantly greater strength and other performance improvements compared to previous non-metallic chain links is disclosed. Each link assembly includes: a pair of identical sidebars each comprised of high-strength filamentary material wound in an elongated loop configuration and fixed in a matrix of hardened resin; a connecting pin having a stiff reinforced composite core and a skin-tight sleee of non-abrasive material; low friction bushing means between the sidebars and connecting pin; and retaining means for holding the assembly together.Methods of making the unique sidebar and connecting pin components are also disclosed.

Abstract translation: 公开了一种与以前的非金属链节相比具有显着更大的强度和其他性能改进的轻质，非金属，输送机或负载传动链的连杆组件。 每个连杆组件包括：一对相同的侧杆，每个侧杆由缠绕在细长环形构造中并固定在硬化树脂基体中的高强度丝状材料构成; 连接销具有刚性增强的复合芯和非磨蚀性材料的表层紧密滑动; 低摩擦衬套意味着侧杆和连接销之间; 以及用于将组件保持在一起的保持装置。 还公开了制造独特侧杆和连接销部件的方法。

公开(公告)号：US4568457A

公开(公告)日：1986-02-04

申请号：US546800

申请日：1983-10-31

Applicant: Richard A. Sullivan

Inventor： Richard A. Sullivan

IPC: C02F11/04 ,  C02F3/08 ,  C02F3/28

CPC classification number: C02F3/286 ,  C02F3/082 ,  C02F3/2806 ,  Y02E50/343 ,  Y02W10/15

Abstract: An industrial waste anaerobic digester is disclosed having separate sections therein, in which the acid forming and gas forming phases of the digestion process can occur separately under conditions optimized for each phase. A rotating biological contactor is provided in each section for increasing the liquid/gas interface to facilitate the anaerobic reaction. A series of partitions is provided in each section to create zones in which the waste concentration is extremely high and on which the biota can react at maximal reaction rates. The CO.sub.2 produced in the acid forming phase is used in both acid and gas forming sections to mix and achieve pH adjustment, and the methane can be used in the gas forming sections for mixing. A thermophilic chamber in the center of the tank is surrounded by the mesophyllic chamber to minimize and utilize conductive heat loss.

Abstract translation: 公开了一种工业废物厌氧消化器，其中具有分开的部分，其中消化过程的酸形成和气相形成阶段可以在针对每个相优化的条件下分开发生。 在每个部分中提供旋转的生物接触器，用于增加液体/气体界面以促进厌氧反应。 在每个部分中提供一系列隔板以产生废物浓度极高的区域，并且生物群可以以最大反应速率反应。 在酸形成阶段生成的二氧化碳用于酸性和气体形成部分，以混合和实现pH调节，并且甲烷可用于气体形成部分进行混合。 罐中心的嗜热室被叶肉室包围，以最小化和利用传导性热损失。

公开(公告)号：US4038187A

公开(公告)日：1977-07-26

申请号：US654811

申请日：1976-02-03

Applicant: Edward P. Saffran

Inventor： Edward P. Saffran

IPC: B01D33/06 ,  B01D33/067

CPC classification number: B01D33/067 ,  B01D2201/282

Abstract: The specification discloses an improvement in rotary drum screens for the filtration of liquids which comprise (a) a drum having a central horizontal axis and a radially outer surface, (b) a plurality of microscreen grids mounted on the radially outer surface of the drum, each of the microscreen grids comprising a screen which is divided into a large number of small cells by walls which extend radially with respect to the drum, (c) means for introducing the liquid to be filtered into the interior of the drum, (d) means for rotating the drum about its central axis, (e) a backwash header mounted outside the radially outer surface of the drum, and (f) a backwash receiving trough mounted within the drum for collecting filtrate accumulated on the screen. The liquid to be filtered is introduced into the drum at one end thereof, and the drum is supported so that it is partially submerged in the filtered liquid. The improvement resides in the fact that at least some of the walls which divide the microscreen grids into cells are at least generally parallel to the central axis of the drum and extend radially outwardly from the microscreen a distance sufficient so that, during use of the rotary drum screen to filter a given liquid, the said walls retain an amount of the liquid which just has time to drain through the microscreen between the time each cell emerges from the filtered liquid and the time it arrives underneath the backwash header.

公开(公告)号：US2975487A

公开(公告)日：1961-03-21

申请号：US65670557

申请日：1957-05-02

Applicant: BELL TELEPHONE LABOR INC

Inventor： WILLIAMS JR GEORGE H

IPC: B29C43/18 ,  B29C70/72 ,  H01B3/18 ,  H01G9/10

CPC classification number: H01G9/10 ,  B29C43/18 ,  B29C70/72 ,  B29K2001/00 ,  B29K2001/12 ,  B29K2105/256 ,  B29L2031/3406 ,  H01B3/18 ,  Y10S264/65 ,  Y10S264/76

公开(公告)号：US5584996A

公开(公告)日：1996-12-17

申请号：US64497

申请日：1992-05-19

Applicant: Pete Petit

Inventor： Pete Petit

IPC: B01F5/06 ,  B01J8/18 ,  B01J8/24 ,  C02F1/00 ,  B01D24/24 ,  B01D24/26

CPC classification number: B01J8/1827 ,  B01F15/0264 ,  B01J8/1818 ,  C02F1/006 ,  B01F5/0601

Abstract: A reactor for treating a liquid containing evolvable and entrained gas has a vessel for containing a bed of particulate media, and a liquid flow distributor mounted in the vessel that includes a manifold connected to receive liquid and introduce it into the bed. The manifold includes a liquid conveying passage having an upper region where any gas that evolves from the liquid can collect and at least one discharging nozzle having an inlet in open communication with the upper region for receiving the liquid, evolved gas or a mixture thereof, and an outlet for uniformly discharging the liquid, gas or mixture thereof into the bed. A method for treating a liquid containing evolvable and entrained gas includes the steps of providing a reactor vessel having a bed of particulate media and a manifold with a liquid conveying passage having a lower region wherein liquid predominates and an upper region wherein evolved gas can collect; introducing the liquid into the passage; providing a discharging nozzle in the manifold having a nozzle inlet located in open communication with the upper region; introducing liquid, evolved gas, or a mixture thereof into the nozzle inlet only from the upper region to avoid coalescing of gas into large pockets; passing the liquid, evolved gas or mixture thereof generally downward through the nozzle outlet into the reactor bed; passing the liquid, gas or mixture through the bed of the reactor to treat the liquid; and removing treated liquid from the reactor.

Abstract translation: 用于处理含有可发芽和夹带的气体的液体的反应器具有容纳颗粒介质床的容器和安装在容器中的液体流动分配器，其包括连接以接收液体并将其引入床中的歧管。 歧管包括液体输送通道，其具有上部区域，其中从液体中放出的任何气体可以收集，并且至少一个排出喷嘴具有与上部区域开放连通的入口，用于接收液体，放出的气体或其混合物，以及 用于将液体，气体或其混合物均匀排出到床中的出口。 一种用于处理含有可演化和夹带的气体的液体的方法包括以下步骤：提供具有颗粒介质床和歧管的反应器容器，所述歧管具有液体输送通道，所述液体输送通道具有液体占优势的下部区域和放出气体可以收集的上部区域; 将液体引入通道中; 在所述歧管中提供排放喷嘴，其具有位于与所述上部区域开放连通的喷嘴入口; 将液体，放出气体或其混合物仅从上部区域引入喷嘴入口以避免气体聚集成大口袋; 使液体，放出的气体或其混合物大体向下通过喷嘴出口进入反应器床; 使液体，气体或混合物通过反应器的床处理液体; 并从反应器中除去处理过的液体。

公开(公告)号：US5534140A

公开(公告)日：1996-07-09

申请号：US210312

申请日：1994-03-17

Applicant: Robert A. Brummond ,  Roger Scheel ,  James L. Heidner

Inventor： Robert A. Brummond ,  Roger Scheel ,  James L. Heidner

IPC: E03F5/14 ,  E02B8/02 ,  B01D39/10

CPC classification number: E02B8/026

Abstract: A bar screen for screening a flow of wastewater, the bar screen comprising a frame, a first bar rack supported by the frame and extending across the flow of wastewater, the first bar rack including a plurality of generally parallel, elongated first bars each having a top end and a bottom end, the plurality of first bars defining therebetween a plurality of upstream spaces, a first bar rack top support engaged with the top end of each first bar and a first bar rack bottom support engaged with the bottom end of each first bar, a second bar rack supported by the frame and extending across the flow of wastewater, the second bar rack including a plurality of generally parallel, elongated second bars each having a top end and a bottom end, a second bar rack top support engaged with the top end of each second bar and a second bar rack bottom support engaged with the bottom end of each second bar, the second bar rack bottom support overlying a portion of the first bar rack bottom support, and a mounting arrangement for fixing the first bar rack to the frame and for releasably mounting the second bar rack on the frame, the first and second bar racks thereby defining a fine screen compound bar rack wherein the second bars have a portion extending into a respective upstream space.

Abstract translation: 用于筛选废水流的棒筛，所述棒筛包括框架，由所述框架支撑并横跨所述废水流延伸的第一条架，所述第一条架包括多个大致平行的细长的第一杆，每个杆具有 顶端和底端，多个第一杆在其间限定多个上游空间，与每个第一杆的顶端接合的第一杆架顶部支撑件和与每个第一杆的底端接合的第一杆架底部支撑件 所述第二条架由所述框架支撑并延伸穿过废水流，所述第二杆架包括多个大致平行的细长的第二杆，每个具有顶端和底端，第二杆架顶部支撑件与 每个第二杆的顶端和与每个第二杆的底端接合的第二杆架底部支撑件，第二杆架底部支撑件覆盖在第一杆架底部支撑件的一部分上，以及 用于将第一杆架固定到框架并且用于将第二杆架可释放地安装在框架上的安装装置，第一和第二杆架因此限定了精细的筛网复合杆架，其中第二杆具有延伸到相应上游的部分 空间。

公开(公告)号：US5470475A

公开(公告)日：1995-11-28

申请号：US110305

申请日：1993-08-20

Applicant: William H. Boyle

Inventor： William H. Boyle

IPC: B01D21/00 ,  B01D21/04 ,  B01D21/24 ,  C02F1/40

CPC classification number: B01D21/04 ,  B01D21/0042 ,  B01D21/2405 ,  B01D21/2444

Abstract: A clarifier for separating suspended solids from waste water to provide clarified water, including a generally rectangular tank for containing waste water to be separated, the tank including generally parallel spaced apart first and second sidewalls, each sidewall having upper and lower sidewall portions, and the tank also including upper and lower regions; a first influent passage extending along at least a portion of the first sidewall and comprising an aperture for introducing waste water into the tank; a first effluent passage proximate the influent passage and including a weir over which clarified water flows for removing clarified water from the upper region of the tank. The clarifier preferably includes a baffle mounted to define a space between the first sidewall and the baffle, and a distribution baffle proximate the aperture.

Abstract translation: 一种用于从废水中分离悬浮固体以提供澄清水的澄清器，包括用于容纳要分离的废水的大致矩形的罐，所述罐包括大致平行间隔开的​​第一和第二侧壁，每个侧壁具有上侧壁部分和下侧壁部分， 坦克还包括上下区域; 第一流入通道，​​沿着第一侧壁的至少一部分延伸，并且包括用于将废水引入罐中的孔; 靠近流入通道的第一流出物通道，并且包括堰，澄清的水流过该堰，以从罐的上部区域除去澄清的水。 澄清器优选地包括安装以限定第一侧壁和挡板之间的空间的挡板和靠近孔的分配挡板。