US1150876A - Scraping-machine for filter-beds. - Google Patents

Scraping-machine for filter-beds. Download PDF

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Publication number
US1150876A
US1150876A US1140815A US1140815A US1150876A US 1150876 A US1150876 A US 1150876A US 1140815 A US1140815 A US 1140815A US 1140815 A US1140815 A US 1140815A US 1150876 A US1150876 A US 1150876A
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Prior art keywords
machine
frame
conveyer
scraping
filter
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US1140815A
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Eugene M Nichols
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Eugene M Nichols
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/02Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor with moving adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00Ion-exchange processes in general; Apparatus therefor
    • B01J47/10Ion-exchange processes in general; Apparatus therefor with moving ion-exchange material; with ion-exchange material in suspension or in fluidised-bed form

Description

E. M. NICHOLS.

SCRAPING MACHINE FOR FILTER BEDS.

APPLICATION FILED MAR. I. I915.

Patented Aug. 24., 1915..

3 SHEETS-SHEET I.

i!rllllzltlllli I WH I I llllllflflllld COLUMBIA PLANOUIAPH $0.. WASHINGTON. n. c.

E. M. NICHOLS.

SCRAPING MACHINE FOR FILTER BEDS.

APPLICATION FILED MAR. 1. I915.

Patented Aug. 24, 1915.

3 SHEETS-SHEET 2.

Elma/"lion 8M.

.Fa ezz wuuemo Gum/M43 COLUMBIA PLANOaRAPl-l C0..WA5HINOTON, |:|v c.

E. M. NICHOLS.

SCRAPING MACHINE FOR FILTER BEDS.

APPLICATION FILED MAR. 1. 1915.

1 150,87, Patented Aug. 24, 1915.

3 SHEETS-SHEET 3.

wl-r/vsssss atfozucu COLUMBIA PLANOCIRAPH CO.,WASHINGTON n. c.

EUGENE M. NIQH OLSQ PHILADELPHIA, PENNSYLVANIA.

SCRAPING-IVTAGHINE FOB FILTER-BEDS.

Specification of Letters Patent.

Patented Aug. 24, 1915.

. Application filed March 1, 19 15. Serial No. 11,403,

To all whom it may concern:

7 Be it known that I, EUGENE M. NICHOLS, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and Stateof Pennsylvania, have invented certain new and useful Improvements. in Scraping Machines for Filter Beds, of which the following is a specification.

My invention relates to improvements in scraping machines for filter beds, the object of the invention being to provide a machine of the character stated which is adapted to be moved over a filter bed, and which will remove the sand from the surface of the bed as the machine is moved over the bed.

A further object is to provide a machine of the character stated having an endless movable combined scraper and conveyor p0- sitioned at an angle to the plane of the filter bed, and adapted to scrape the surface of.

the bed and convey the sand upwardly and rearwardly and deposit the sameinto a hopper from which itis discharged.

With these and other objects in View, the invention consists in certain novel features of construction and combinations and arrangements of parts as will be more fully hereinafter described and pointed out in the claims. 1

In the accompanying drawings: Figure 1 is a view in side elevation illustrating Improved machine. Fig. 2 is a View in section through the combined scraper and coni eyer, the section taken on the line 22 of Fig. 1,, other parts of the'machine being omitted for purposes of clearness. Fig. 3 is a top plan view of the machine showing a part of the conveyer casing broken away. Fig. 4 is a view in elevation showing my improved separator detached, and Fig. 5 is a view at right angles to Fig. 4, 1, 1, represent boards which are laid upo the filter bed 2, and serve as tracks upon which the wheels 3 of my improved machine are adapted to move.

4.- is the frame of the machine supported on axles 5 mounted in the Wheels 3, and on the frame 1 a separator 6 is located and is connected by a pipe 7 with the lowerend of ahopper 8. I M

A water jet is utilized to convey the sand from the bottom of the hopper 8 through the pipe 7 into the separator 6, and 9 represents the water supply pipe for thisjct.

The details of the separator and the cooperating parts form no part of the present invention, and hence need not be described.

in detail, except to say that they care for the sand which is deposited in the hopper by my improved conveyor 10 which will now be described in detail. The conveyor 10 com- .prisesan endless flexible member which may consist of a belt as illustrated, having a series of blades 11 secured thereto and projecting at right angles therefrom. The conveyer 10 issupported upon three pulleys 12, 13, and 141, so that it' assumes a general triangular shape, and is positioned at an angle to the filter bed as shown clearly in Figs. 1 and 3. The several runs of the conveyer varyin length. The front and lower run 15 of the conveyor extends transversely across the front of the machine, with the blades or vanes located at an angle so that their lower corners operate to cut into the filter bed and carry the sand to the side of the machine, the conveyor moving in the direction of. the arrow. This front run of the conveyer is strengthened by a backing plate 16 which holds the scrapers up to their work, and relieves the belt of'undue strains. The run 17 of the conveyer, between pulleys 12 and 13, is in a general upward and rearward direction, and through a tubular casing .18 which extends partially around the pulley 12 at its lower end, which lower end constitutes an entrance into which the sand is carried by the blades 11 of the conveyor. The bottom of this tubular casing 18 is open as shown at 19v where it rounds the pulley 13, and this opening 19 communicates with the hopper 8, so that the sand which is carried up the tubular casing 18 is dropped into the hopper by the blades 11. The run 20. of the conveyer, between pulleys 13 and 14, is preferably incased as. shown at 21 to house the vconveyer and prevent injury thereto.

.While my invention is not limited to any power transmission means, I have illustrated amotor.21'supported on the frame 4, and driving a pulley 22, which latter is con. nected by a belt 23 with a pulley 24011 a shaft 25. The shaft 25 is supported in a bracket 26, and in a bearing 27 on the casing 1S,and at one end is provided with a beveled pinion 28 meshing with a beveled gear 29 on the shaft 3,0, to which pulley 13 is secured, so that by reason of the mechanism above described, the conveyor is operated at the desired speed. It is also to'be understood that, the machine will be moved over the filter bed in accordance with the work as it is performed, and this movement of the machine may be accomplished in any desired manner. 7

A. represents the discharge pipe for the dirty water'after'the clean sand has been precipitated in the separator and discharged through pipe B, thereby performing the entire Work of scraping, removing and depositing the clean sand on the filter bed, approximately in its original position, without removing from the inclosure of the filter. The details of the separator and cooperating parts are fully described in my discharged through the pipe 7 into separator 6, as above explained. The operation therefore of scraping and conveying is a continuous one, and is performed by'a single endless conveyer, and while I have referred .to the conveyer as a belt, it is to be understood that I may employ otherforms of endless flexible mechanism for supporting the blades, and do not limit myself to the precise details of construction, but consider myself at liberty to make such changes and alterations as fairly fallv Within the spirit and scope of the appended claims.

'I-Iaving thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. The combination with. a frame, of a combined transverse scraper and elevating 1 conveyer, comprising a single unit supported on the frame, and located at an angle thereto, substantially as described.

2. The combination With a horizontal frame, wheels supporting the frame, and a combined elevating conveyer, comprising a single unit and transverse scraper located at an angle to the horizontal frame, substan ti ally as described.

3. In a machine of'the character d'eQ scribed, .the combination with 'a frame, wheels supporting the frame, and a'com-' bin ed elevating conveyer and transverse scraper comprising a single unit located at an angle to the frame and having its front run located. at the front of the frameand .movable transversely of the frame, substantiallyas described.

- 4. In a machine of the character described, the combination with a frame, and Wheels supporting the frame, of an inclined tubular casing supported on the frame, and an endless conveyer movable through the Copies of thispatent may be obtained for fivecents each, by addressing the Commissioner of Batents, 1

tubularcasing and across the front of the machine, substantially as described.

5. In a machine of the character described, the combination with a wheeled frame, anda hopper on the frame, of a plurality of pulleys supported on the frame, an endless conveyer on. the pulleys, said conveyer having a series ofblades thereon,-a

tubular casing through which one run of the conveyer moves, saidtubular casing at one end communicating with the lowest point of the conveyer and atits other end communicating with the hopper, substantially as described.

6. In a machine of the character described, the combination with 'a-wheeled frame of an endless combined scraper and conveyer comprising a single unit'located at an angle to the frame and having one run of the conveyer extending across the front of the frame, substantially as described.

7. A scraping .machine for filter beds comprising a wheeled frame, and a com-' bined scraper and conveyer supported on the wheeled frame and having a series of blades or vanes thereon, said combined scraper and conveyer located at an angle tending across the front of the frame with the blades at an acute angle to the filter bed,

whereby the lower corners'of the blades cut into the filter bed, substantially as described;

to the filter bed and having its front run ex-r 8. A scraping machine for filterf' beds comprising a wheeled frame, and a combined scraper and conveyer supported on the Wheeled frame andhaving a series of 7 blades or vanes thereon, said combined scraper and conveyer located atian angle to the filter bed and having its front run ex;

tending across the front of the frame with I the blades at an'acutc angle to the filter bed,-

whereby the lower corners of the. blades cut into the filter bed, a hopper on the frame,

a'tubular casing i'nclosing a run of the conveyer, and extending from the filterbed up toythe upper end of the hopper, substantially as described.

scribed,"a combination of a wheel name, of

9. In a machine of the character dea' combined scrapingronveyer, a hopper connecting with a liquid supply and" discharge for 1 sand and liquid, a separator to Etienn M. NIcHoLs;

Witnesses: i i I MARIE J AcKsoN, CHAs. E. Po'r'rs;

Washington, D. G.

separate the clean sand'from the dirty Water

US1140815A 1915-03-01 1915-03-01 Scraping-machine for filter-beds. Expired - Lifetime US1150876A (en)

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US1140815A US1150876A (en) 1915-03-01 1915-03-01 Scraping-machine for filter-beds.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1140815A US1150876A (en) 1915-03-01 1915-03-01 Scraping-machine for filter-beds.

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042208A (en) * 1961-01-31 1962-07-03 John B Holmes Combined washer, separator and grader for loose materials
EP1007184A1 (en) * 1997-05-15 2000-06-14 Orange County Water District Method and system for cleaning a water basin floor
US6228256B1 (en) * 1998-04-08 2001-05-08 Weda Poolcleaner Ab Apparatus for cleaning a pool bottom having a sand bed
GB2368541A (en) * 1998-04-08 2002-05-08 Weda Poolcleaner Ab A sand bed cleaner
US10737199B2 (en) * 2016-07-15 2020-08-11 Doppstadt Familienholding Gmbh Clearing device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042208A (en) * 1961-01-31 1962-07-03 John B Holmes Combined washer, separator and grader for loose materials
EP1007184A1 (en) * 1997-05-15 2000-06-14 Orange County Water District Method and system for cleaning a water basin floor
EP1007184A4 (en) * 1997-05-15 2004-07-21 Orange County Water Distr Method and system for cleaning a water basin floor
US6228256B1 (en) * 1998-04-08 2001-05-08 Weda Poolcleaner Ab Apparatus for cleaning a pool bottom having a sand bed
US6306309B2 (en) 1998-04-08 2001-10-23 Weda Poolcleaner Ab Method for cleaning sand in a sand bed
GB2368541A (en) * 1998-04-08 2002-05-08 Weda Poolcleaner Ab A sand bed cleaner
GB2368541B (en) * 1998-04-08 2002-07-17 Weda Poolcleaner Ab Device for cleaning bottoms of pools with sand beds
US10737199B2 (en) * 2016-07-15 2020-08-11 Doppstadt Familienholding Gmbh Clearing device

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