US518238A - Alwin georg eugen fullmer - Google Patents

Alwin georg eugen fullmer Download PDF

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US518238A
US518238A US518238DA US518238A US 518238 A US518238 A US 518238A US 518238D A US518238D A US 518238DA US 518238 A US518238 A US 518238A
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pulp
water
tank
pipe
alwin
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B01D29/03Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0024Inlets or outlets provided with regulating devices, e.g. valves, flaps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042Baffles or guide plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30Control equipment
    • B01D21/34Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2201/00Details relating to filtering apparatus
    • B01D2201/48Overflow systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86236Tank with movable or adjustable outlet or overflow pipe
    • Y10T137/8626Swinging outlet pipe or spout

Definitions

  • a pipe'n the mouth of which is situated at the bottom of the tank a extends to about the middle of the receptacle formed by the parts a and d where it passes through the side of the tank a and is coupled by a socket o to an elbow-pipe p in such a manner that the latter may be turned about its horizontal axis /r-n c
  • the discharge extremityof theelbow-pipe is closed ⁇ by a cock or valve s.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Description

LNo Model.)
A. G. E. FULLNER.
PULPUCATGHERA'POR PAPER MANUPATORIES Patented Apr THE NATIONAL LIYHCGRAPHING COMPANY.
wAamNomn. n. c.
UNITED STATES PATENT OFFICE.
ALWIN GEORG EUGEN FLLNER, OF WARMBRUNN, GERMANY.
PULP-CATCHAER FOR PAPERv iVlANUFACTORIES.
SPECIFICATION forming part ofY Letters Patent No. 518,238, dated. April 17, 1894.
Applica-H011 filed September 23, 1892. Serial No. 446,646. (No model.) Patented in France Tuly 9, 1892, No. 222,886; in Belg'ium July 26,1892,No. 100,712; in England July 30, 1892, No. 13,893,| in Norway July 30, 1892, No. 2,833; in Sweden August 6,1892, N0- 41090; in Switzerland September 19, 1892, No. 5,876 in Italy September 30,1892,XXVI, 32,438, LXIII, 437, enclin Austria-Hungary November 19, 1892, No. 34,409 and No. 65,618. v
To all whom t may concern:
Be it known that I, ALWIN GEORG EUGEN FLLNER, a subject of the King of Prussia, residing at Warmbrunn, in the Kingdom of Prussia, German Empire, have invented certain new and useful Improvements `in Pulp- Catchers for Paper Manufactories; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
This invention has been patented in France July 9, 1892, No. 222,886; in Belgium July 26, 1892, No. 100,712; in Great Britain July 30, 1892, No. 13,893; in Norway July 30, 1892, No. 2,833; in Sweden August 6, 1892, No. 4,090; in Switzerland September 19, 1892, No. 5,876; in Austria-Hungary November 19, 1892, No.
34,409 and No. 65,618, and in Italy September 30, 1892, XXVI, 32,438, LXIH, 437.
This invention has reference to improvements in pulp catchers or savers' (hereinafter termed pulp catchers) for use in paper manufactories the object being to providea pulp catcher which shall becompact and eiiicient and which provides for regulating the density of the outiiowing pulp.
The pulp catcher comprises a settling or depositing vessel or tank of inverted truncated conical shape into which the water containing the pulp iiberstlows from a circumferential channel in a uniform manner so as to flow down the inclined inner surface of the tank to the lowest point thereof where the force of the uniformly l'lowing water is balanced and the pulp fibers deposited while the water rises in the center portion of the tank and discharges uniformly over the circumferential upper edge of the same. From the lowest point of the tank, the deposited pulp, which is supplied uniformly `from all parts thereof, is conducted through a curved pipe into a suitable vessel, the discharge being eifected' by the pressure of water which presses the pulp through the pipe, and at the same time, the density of the discharging pulp may be easily regulated by raising or lowering thedisoharge opening of the curved plpe.
In the accompanying drawings, Figure 1 is a vertical section of a pulp catcher according to this invention. Fig. 2 is a plan ofthe same, the upper sieve being removed.
The pulp catcher comprises an inverted truncated cone shaped tank or receptacle (hereinafter termed a tank) a of sheet iron supported by means of brackets b fixed upon standards c. The tank a. may however be supported by suitable brickwork. The upper edge of the tank a is surmounted by an annular extension d having about half way up an external circumferential channel e communicating by means ofi-openings f in the wall of the extension d with the interior of the tank a. Within the extension d and above the openings f is fixed a ring g of inverted truncated conical form and which extends to a suitable depth below the openings f. The external wall h of the channel e projects over the upper edge d of the extension d and is connected somewhat below that upper edge to the cylinder d by suitable i shaped stays t upon which rests a plate lo of sheet iron or wood, another circumferential channel Z being thus formed, which receives the cleaned water and Aconducts the same to the waste channel or gutter m. A pipe'n the mouth of which is situated at the bottom of the tank a extends to about the middle of the receptacle formed by the parts a and d where it passes through the side of the tank a and is coupled by a socket o to an elbow-pipe p in such a manner that the latter may be turned about its horizontal axis /r-n c The discharge extremityof theelbow-pipe is closed` by a cock or valve s. v
The apparatus operates as follows:-Water still containing a considerable quantity of pulp fibers is supplied through the pipe t receiving its supplyfrom a source higher than the level of the tank to the channel e whence it uniformly iiows into the tank a. It will be understood that the outer wall h of the chan- IOO t into the channel e is shown at tx Fig. 1. By the inclined walls of the ring g the water is immediately conducted downwardly so that it flows along the inclined surface of the tank a to the lowest point of the same which may have preferably a rounded form. The ringg prevents thewinliowing water mixing with the waste or cleaned water, which latter rises in the center portion.
It has been observed that the pulp fibers are conducted longitudinally in the direction of the current, so that the descent of all the ibers is facilitated to the lowest point of the tank a where the force of the uniformly flowing and concentrating water is balanced and Where it is comparatively at rest. The fibers still maintain a part of their motion due to the current of water and to their own weight and tend to set themselves lengthwise upon the walls of the tank and to move thus to the bottom thereof. In this manner all the pulp fibers are deposited on the bottom of the tank a whereas the cleaned water rises in the middle part thereof. In order to catch any pulp fibers still remaining in the rising water a sieve u may be arranged in the upper part of the tank on the under side of which the fibers will accumulate and form flakes which will fall by their own weight or are caused to drop by a sudden reduction in the velocity of the overow water. Instead of a single sieve u any desirable form of filter may be einployed. The flow of the water takes place in a perfectly calm manner which is accounted for by the fact that the entrance of the water is situated below the upper water level, and that the flowing off takes place uniformly over a large circumferential area. The cleaned water which rises through the sieves or filter, Hows over the upper odge d l of the extension d into the channel Z whence est the mouth of the pipe fn flows off.
As mentioned above the pipe p being coupled to the pipe n it can be raised or lowered as desired whereby the density of the outiiowing pulp may be regulated. When the pipe p is turned in such a position that its discharge opening is in its lowest position (indicated in dotted lines in Fig. l) the maximum pressure will be obtained and the discharge will be greater than would be the case if the pipe p be more or less raised so that more water will pass through the pipe with the bers and the pulp will not be so concentrated. 0n the other hand if the discharge opening be raised the pressure will be thus diminished, and a thicker or more concentrated` pulp will be forced through the pipe.
The discharge of the deposited pulp may be continuous or intermittent. In the latter case the intervals may be determined after a short observation. The supply of water however may be in both cases continuous. The discharged pulp may be led to a reservoir or tank (not shown in the drawings) and may thence be conducted to a drainer and treated as ordinary wood pulp. i
For the purpose of enabling the pulp catcher to be cleaned, the bottom of the tank a is provided with an opening for running off the water, said opening being closed when the apparatus is in use by a valve w attached to a rod as. Then the valve is opened, the water flows off through the pipe fu titted to the opening.
Having now particularly described and ascertained the nature of the said invention and in whatmanner the same is to be performed, I declare that what I claim is- 1. In a pulp catcher the combination of an inverted truncated conical vessel a, an annular channel in connection with the water and pulp supply, discharging into said vessel, an outlet for the cleaned water above the level of the inlet, and a discharge pipe for the deposited pulp, leading from the bottom of the vessel, substantially as described.
2. In combination, with the vessel a, an inlet for the water and pulp, an outlet for the water above the level of the inlet, a channel n, for the outlet of the pulp and a discharge pipe in connection therewith adapted to be adjusted to raise or lower the discharge end, substantially as described.
3. In a pulp catcher the combination of a truncated conical vessel having above its upper edge a circumferential channel for the supply of pulp-water an internal ring of inverted truncated conical form, an upper annular channel for the outtlowing cleaned water, and an outlet for the pulp, substantially as described for the purpose specified.
l. In a pulp catcher, the combination of an inverted truncated conical vessel having an annular supply channel above its upper edge and surmounted by an upper channel for the discharging water, a filter or sieve near the upper edge of the vessel, andan outlet for the pulp, substantially as described and for the purpose specified.
In testimony whereof I affix mysignature in presence of two witnesses.
ALWIN GEORG EUGEN FIILNER.
Tit nesses:
EMIL HOFFMANN, W. HAUPT.
IOO
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667273A (en) * 1950-12-23 1954-01-26 Honan Crane Corp Manifold for clarifier intakes
US2728694A (en) * 1952-02-15 1955-12-27 Graver Tank & Mfg Co Inc Sugar juice clarifier
US2787281A (en) * 1953-03-25 1957-04-02 Phillips Petroleum Co Proportioning of fluids
US3224593A (en) * 1961-05-23 1965-12-21 Nebolsine Ross Apparatus for separation of oil from aqueous mixtures
US4536295A (en) * 1982-10-20 1985-08-20 Ab Spray Technics S.T. Method for separating coarse particles from a liquid

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667273A (en) * 1950-12-23 1954-01-26 Honan Crane Corp Manifold for clarifier intakes
US2728694A (en) * 1952-02-15 1955-12-27 Graver Tank & Mfg Co Inc Sugar juice clarifier
US2787281A (en) * 1953-03-25 1957-04-02 Phillips Petroleum Co Proportioning of fluids
US3224593A (en) * 1961-05-23 1965-12-21 Nebolsine Ross Apparatus for separation of oil from aqueous mixtures
US4536295A (en) * 1982-10-20 1985-08-20 Ab Spray Technics S.T. Method for separating coarse particles from a liquid

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