US3592205A - Washing apparatus with sludge separator - Google Patents
Washing apparatus with sludge separator Download PDFInfo
- Publication number
- US3592205A US3592205A US861577A US3592205DA US3592205A US 3592205 A US3592205 A US 3592205A US 861577 A US861577 A US 861577A US 3592205D A US3592205D A US 3592205DA US 3592205 A US3592205 A US 3592205A
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- US
- United States
- Prior art keywords
- tank
- cleaning equipment
- equipment according
- container
- propeller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
Definitions
- PATENTEDIJULI 3 ran SHEET 2 BF 2 2x2 .g r. u 3 w %%M@ Twi 5.. w. H 0 liiL @w m WASHING APPARATUS WITH SLUDGE SEPARATOR BACKGROUND OF THE INVENTION
- the invention is particularly concerned with equipment for cleaning mechanical or structural parts by their immersion in cleaning solution within a tank equipped with opposed propellers operating to agitate and displace the solution in flow patterns and velocities conducive to efficient removal of dirt, grease and the like from the parts surfaces and which in the past has been allowed to accumulate as sludge in the bottom of the tank.
- One characteristic of such equipment has been cavitation of the end walls of the tank for accommodation of the propellers as illustrated in the Bland U.S. Pat. Nos. 2,960,991; 3,048,277 and 2,990,302.
- One major object of the invention is to provide for sludge removal without limitations by sludge accumulations within the tank and in a manner obviating necessity for shutdowns of the cleaning operation by reason of sludge accumulations.
- the invention can eliminate the need for more expensive separate external sludge removal systems, i.e. pumps, tanks and filters etc.
- the invention particularly contemplates the use of one or a pair of relatively small volume containers in the nature of sludge traps accommodated in the tank to receive what may be termed side streams of the propeller-displaced tank solution in a manner such that in the course of side stream flow through and return to the tank liquid from the container, sludge is separated from the side stream to a degree maintaining the tank solution at an acceptably low sludge concentration.
- Removability of the relatively small volume sludge trap container may be accomplished without interruption of the cleaning functions of the solution being circulated in the tank.
- Structurally contemplated is departure from the use of cavitated end walls of the tank proper as typified in the Bland patents, by mounting the propeller housing inside the tank inwardly from its vertical planar end walls, such accommodation of the housing inside the tank providing support for the sludge container on and in overlying relation to the housing, and also economizing the tank construction by reason of eliminating need for watertight welds around propeller housing and of the accommodation afforded solution heaters at the tank comers within spacings laterally beyond the propeller housings. Eliminating the sump from the tank bottom permits a significant reduction in overall tank height.
- the invention provides for the stated association of the sludge container upon the propeller housing with the chamber configuration being such as to receive upwardly directed flow of the propeller displacement and sufficient retention of the solution to allow for sludge dropout before return of the side stream to the tank liquid.
- the sludge collects incrementally in the container until such time as to warrant clean out, for which purpose the container is manually removable from the tank and by reason of its relatively small capacity, can be cleaned and returned to the tank in a short period of time.
- FIG. 1 is a view showing in perspective the treating solution tank, certain parts of which are broken away to more clearly reveal the inside constructions;
- FIG. 2 is an inside elevation showing the removable sludge container and its association with the top of the propeller housing;
- FIG. 3 is a cross section on line 3-3 of FIG. 2;
- FIG. 4 is a vertical section taken on line 4-4 of FIG. 3;
- FIG. 5 is a fragmentary showing in perspective of one of the propeller housings and associated tank and walls, the sludge container being removed.
- the tank generally indicated at 10 and of rectangular configuration having vertical side and end walls 11 and 12, is used to contain a cleaning solution suitable for the removal of dirt, grease and other contaminations from the surfaces of industrial parts, typically machine and engine components immersed in the solution along with supporting racks, baskets or other carriers, not shown, for which the tank may have interior adaptations as indicated at 13, 14 and 15 with which the invention is not concerned.
- the tank solution has agitated displacement in flowing contact with the parts surfaces by means of propellers 16 at opposite ends of the tank, the propellers being driven by motors within their housings 17 mounted to the endwalls 12.
- various solution flow patterns and velocities may be maintained within the tank by different directional and speed operation of the propellers 16 having various sizes to match motor sizes.
- One of the end walls 12 may mount beneath the top extension 18 a control unit 19 for the various tank facilities including the propellers 16 and also solution heaters generally indicated at 20 and positioned within one or more of the tank corner locations. lnwardly from one of the extensions 18 the tank may carry a hinged cover, one fragmentized section 211 appears in FIG. 1.
- sludge resulting from cleaning of the parts has been allowed to accumulate in the bottom of the tank, a normal rate of accumulation being such as to require cleaning of the tank at about one week intervals following continuous operation.
- the invention is intended to obviate the usual tank cleaning necessities by the provision of relatively small removable containers in the nature of sludge traps, generally indicated at 21, and positioned at either or both ends of the tank above the propellers 16 so as to receive what may be termed side streams of the cleaning solution being circulated from and returned to the body of liquid in the tank.
- the propeller accommodation in accordance with the invention departs from the conventional by positioning the propellers within recessed housings at both ends of the tank and shown most clearly in FIG. 5 to be of essentially frustopyramidal shape having top and lateral sides 23 and 24 which diverge inwardly of the tank from junctures with the end walls 12 about the motor 17, these divergent sides terminating at rectangular flange 25 which serves to direct the propeller displacement into the tank liquid at the propeller depth.
- the housing may be cut out, perforated or screened at 231 on the bottom to prevent trapping of heavy sludge between the agitation housing and the tank bottom.
- a generally rectangular duct 26 extends upwardly from end opening 27, see FIG. 4, in the top wall 23 of the propeller housing and in such a proximity to the propeller that its rotation displaces the treating solution side stream upwardly and outwardly through the elevated side openings 28 into the container 21, as will now appear.
- the sludge trap 21 is a hollow removable container having front and rear sides 30 and 31 with a fiat or inclined bottom 32 resting upon and conforming to the slope of the upper propeller housing wall 23 upon which the container 21 is supported.
- the container 21 is positioned in centered relation to the duct 26 so as to receive the propeller displacement into compartments 33 through the container openings 34 at the rear of baffles 35 extending angularly or diagonally within the container compartments as particularly illustrated in FIG. 3.
- These baffles contain openings 36 through which the flow passed and reverses within the compartment 37 in returning over a flat or V-shaped weir 38 to the tank liquid.
- the side stream flow courses as depicted by the arrows in FIG. 1, is from the propeller 16 upwardly through the duct 26, thence outwardly through openings 28 into registering chamber openings 34, the flow thence being through compartments 33, openings 36 into compartment 37 and over the weir 38.
- the tank liquid may stand at different levels in the tank but with propeller l6 submerged so that the side stream will be displaced through the container 21 as described.
- propeller size and the type, size and weight of sludge particles
- I may mount at the top of duct 26 a valve 40 positioned within the duct chamber and operable by adjustable stem with lock pins 41 to raise or lower the valve and thus control the outflow through the container openings 34.
- a pair of such valves 400 may be provided within the duct passages at opposite sides of a flow divider 42 within the duct.
- the sludge contamination in the tank liquid is constantly depleted by the side stream displacements into the containers 21 wherein their capacities allow for sludge settling and accumulation with the compartments 33 and 37, the flow return to the tank liquid consequently having low level contamination. From time to time as sludge accumulates in the containers, the latter are manually removable from the tank without disturbing the propeller operations, and are returnable to the tank after short cleaning intervals.
- the present construction permits reduction of both the propeller housing and tank widths with ample space in one or more corners of the tank beyond the housings for the heater accommodation.
- Eliminating the sump from the tank bottom permits e.g. 6 inches to 12 inches reduction in tank height. Heavy structural components which previously made up the tank bottom type sump in order to support the weight of the part basket are eliminated in favor of the lighter nonload bearing sludge containers which are removable from the top.
- Parts cleaning equipment comprising a relatively large volume cleaning liquid tank for reception of soiled parts, a-
- a relatively small volume sludge trap container positioned near the propeller to receive a side stream of tank liquid being displaced thereby and forming a sludge settling chamber from which the side stream returns to the tank liquid, said trap container being separable from the tank for removal of its sludge accumulation.
- Cleaning equipment according to claim 1 including a duct through which said side stream is elevated b the propeller above the tank ilqUld level for delivery into sai contamer.
- valve means for variably controlling side stream flow through said duct.
- Cleaning equipment including means for selectively controlling delivery through said duct of separate portions of the side stream to said chambers.
- Cleaning equipment according to claim 11 including a duct extending upwardly through said top side and through which said side stream is elevated by the propeller to flow into chambers in the container at opposite sides of said duct.
Abstract
Description
Claims (14)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86157769A | 1969-09-29 | 1969-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3592205A true US3592205A (en) | 1971-07-13 |
Family
ID=25336177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US861577A Expired - Lifetime US3592205A (en) | 1969-09-29 | 1969-09-29 | Washing apparatus with sludge separator |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812869A (en) * | 1972-04-13 | 1974-05-28 | H Szczepanski | Hot-water mask-washing machine |
US4078942A (en) * | 1977-01-21 | 1978-03-14 | Allegheny Ludlum Industries, Inc. | Method and apparatus for cleaning strip in a molten salt bath |
FR2381111A1 (en) * | 1977-02-17 | 1978-09-15 | Allegheny Ludlum Ind Inc | METHOD AND APPARATUS FOR CLEANING STRIP, IN PARTICULAR STRIP |
US4366058A (en) * | 1981-06-02 | 1982-12-28 | Donaldson Company, Inc. | High efficiency settling system |
US4460005A (en) * | 1981-04-01 | 1984-07-17 | The C. A. Rubio Company | Washing apparatus for tubular members |
US4651762A (en) * | 1985-07-01 | 1987-03-24 | Bowden Industries, Inc. | Agitation parts degreaser |
EP1418254A3 (en) * | 2002-11-11 | 2004-09-29 | Francesco Cozzo | Process and apparatus for the preparation of materials to be subjected to finishing treatments |
US20050257810A1 (en) * | 2001-02-15 | 2005-11-24 | Bigott James W | Kitchenware washers and related methods |
US20060237047A1 (en) * | 2001-02-15 | 2006-10-26 | Bigott James W | Kitchenware washers and methods of manufacturing the same |
US20060237046A1 (en) * | 2005-04-22 | 2006-10-26 | Bigott James W | Kitchenware washers and methods of manufacturing the same |
WO2006115929A3 (en) * | 2005-04-22 | 2007-03-15 | Steelkor L L C | Commercial kitchenware washers and related methods |
US7763119B2 (en) * | 2005-04-22 | 2010-07-27 | Steelkor, L.L.C. | Kitchenware washers and methods of manufacturing the same |
US9265400B2 (en) | 2005-04-22 | 2016-02-23 | Duke Manufacturing Co. | Commercial kitchenware washers and related methods |
US20170348878A1 (en) * | 2014-12-25 | 2017-12-07 | Lang Yuzer Otomotiv Yan Sanayi Ve Ticaret Anonim Sirketi | Method for Cleaning a Full-Mold of Vehicle Tires |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1826015A (en) * | 1930-05-26 | 1931-10-06 | Morton Alberta Irene | Fruit washer |
GB516556A (en) * | 1937-10-18 | 1940-01-04 | Sidney Wilfred Laurence | Apparatus for washing dishes, cutlery, and the like |
GB597765A (en) * | 1945-08-25 | 1948-02-03 | Cedric Morris | Improvements in or relating to dish washing machines |
US2720771A (en) * | 1953-01-28 | 1955-10-18 | Kermit W Lewis | Liquid circulating means for washing machines and the like |
US2960991A (en) * | 1958-07-25 | 1960-11-22 | Turco Products Inc | Apparatus for agitating cleansing liquid |
US2970819A (en) * | 1957-01-18 | 1961-02-07 | Alfred A Kleebauer | Tub-type dishwashing machine |
-
1969
- 1969-09-29 US US861577A patent/US3592205A/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1826015A (en) * | 1930-05-26 | 1931-10-06 | Morton Alberta Irene | Fruit washer |
GB516556A (en) * | 1937-10-18 | 1940-01-04 | Sidney Wilfred Laurence | Apparatus for washing dishes, cutlery, and the like |
GB597765A (en) * | 1945-08-25 | 1948-02-03 | Cedric Morris | Improvements in or relating to dish washing machines |
US2720771A (en) * | 1953-01-28 | 1955-10-18 | Kermit W Lewis | Liquid circulating means for washing machines and the like |
US2970819A (en) * | 1957-01-18 | 1961-02-07 | Alfred A Kleebauer | Tub-type dishwashing machine |
US2960991A (en) * | 1958-07-25 | 1960-11-22 | Turco Products Inc | Apparatus for agitating cleansing liquid |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3812869A (en) * | 1972-04-13 | 1974-05-28 | H Szczepanski | Hot-water mask-washing machine |
US4078942A (en) * | 1977-01-21 | 1978-03-14 | Allegheny Ludlum Industries, Inc. | Method and apparatus for cleaning strip in a molten salt bath |
FR2381111A1 (en) * | 1977-02-17 | 1978-09-15 | Allegheny Ludlum Ind Inc | METHOD AND APPARATUS FOR CLEANING STRIP, IN PARTICULAR STRIP |
US4460005A (en) * | 1981-04-01 | 1984-07-17 | The C. A. Rubio Company | Washing apparatus for tubular members |
US4366058A (en) * | 1981-06-02 | 1982-12-28 | Donaldson Company, Inc. | High efficiency settling system |
US4651762A (en) * | 1985-07-01 | 1987-03-24 | Bowden Industries, Inc. | Agitation parts degreaser |
US20060237047A1 (en) * | 2001-02-15 | 2006-10-26 | Bigott James W | Kitchenware washers and methods of manufacturing the same |
US20050257810A1 (en) * | 2001-02-15 | 2005-11-24 | Bigott James W | Kitchenware washers and related methods |
US7527062B2 (en) * | 2001-02-15 | 2009-05-05 | Steelkor, L.L.C. | Kitchenware washers and methods of manufacturing the same |
US7578305B2 (en) * | 2001-02-15 | 2009-08-25 | Steelkor, L.L.C. | Kitchenware washers and related methods |
EP1418254A3 (en) * | 2002-11-11 | 2004-09-29 | Francesco Cozzo | Process and apparatus for the preparation of materials to be subjected to finishing treatments |
US20060237046A1 (en) * | 2005-04-22 | 2006-10-26 | Bigott James W | Kitchenware washers and methods of manufacturing the same |
WO2006115929A3 (en) * | 2005-04-22 | 2007-03-15 | Steelkor L L C | Commercial kitchenware washers and related methods |
US7475698B2 (en) * | 2005-04-22 | 2009-01-13 | Steelkor, L.L.C. | Kitchenware washers and methods of manufacturing the same |
US7763119B2 (en) * | 2005-04-22 | 2010-07-27 | Steelkor, L.L.C. | Kitchenware washers and methods of manufacturing the same |
US9265400B2 (en) | 2005-04-22 | 2016-02-23 | Duke Manufacturing Co. | Commercial kitchenware washers and related methods |
US20170348878A1 (en) * | 2014-12-25 | 2017-12-07 | Lang Yuzer Otomotiv Yan Sanayi Ve Ticaret Anonim Sirketi | Method for Cleaning a Full-Mold of Vehicle Tires |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: TP INDUSTRIAL, INC. Free format text: CHANGE OF NAME;ASSIGNOR:PUREX CORPORATION;REEL/FRAME:004561/0588 Effective date: 19860418 |
|
AS | Assignment |
Owner name: TURCO PRODUCTS, INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TP INDUSTRIAL, INC., A CORP OF CA.;REEL/FRAME:004561/0581 Effective date: 19860603 Owner name: PUREX CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:PUREX CORPORATION, LTD.;REEL/FRAME:004561/0586 Effective date: 19851211 Owner name: TURCO PRODUCTS, INC., 5101 CLARK AVENUE, LAKEWOOD, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:TP INDUSTRIAL, INC., A CORP OF CA.;REEL/FRAME:004561/0581 Effective date: 19860603 |