US3789752A - Apparatus for compressing refuse - Google Patents

Apparatus for compressing refuse Download PDF

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Publication number
US3789752A
US3789752A US00183055A US3789752DA US3789752A US 3789752 A US3789752 A US 3789752A US 00183055 A US00183055 A US 00183055A US 3789752D A US3789752D A US 3789752DA US 3789752 A US3789752 A US 3789752A
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United States
Prior art keywords
refuse
compacted
pressure
discharge
casing
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Expired - Lifetime
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US00183055A
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English (en)
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H Wirz
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3089—Extrusion presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3003—Details
    • B30B9/3025—Extrusion chambers with adjustable outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
    • B30B9/3057—Fluid-driven presses

Definitions

  • the nozzle is formed by an S-shaped 3,559,823 2 1971 Ostrin, 100 98 R UX be and has a hinged wall portion biassed into the 3,585,924 6/1971 1901 11,... 100 127 x tuba 947,013 l/l9l0 Dowd 100/192X 3,467,000. 9/1969 Seltzer 100/192 X 7 Claims, 7 Drawing Figures PATENTEDFEYB 5W SHEEI 1 [IF 3 FIG. 1 I
  • the object of the invention is to provide an apparatus for compressing untreated refuse which can permanently compress the refuse without the need for special vessels and in which can operate largely automatically without the need for expensive controls.
  • an apparatus for pressing untreated refuse comprising a press device arranged to act on the refuse, and a refuse discharge nozzle connected to the press device, which nozzle has at least one movable, biassed wall portion adapted to resiliently yield under the pressure of the compressed refuse to increase the nozzle opening.
  • FIG. 1 is a vertical cross-section through an apparathe accompanying schematic drawings, in
  • FIG.- 2 is a plan view of the apparatus of FIG. 1,
  • FIG. 3 is a front viewof the discharge nozzleof the.
  • FIG. 4 is a longitudinal section of the discharge noz-
  • FIG. 5 is a diagram of the hydraulic circuit of the apparatus of FIGS. 1 and 2,
  • FIG. 6 is a side view, partly in section, of a further embodiment of the invention.
  • FIG. 7 shows features of a further variation of the apparatus according to the invention.
  • the drawing shows an apparatus for compressing refuse having a casing l in which a drawer-form press member 2 is movable to and fro.
  • This press member is driven by a piston rod 3, the piston of which moves in a hydraulic cylinder 4.
  • a loading hopper 5 for the supply of refuse to be treated is positioned on top of the casing 1.
  • the forward end of the casing l carries a replaceable discharge nozzle 6 :through a flange 7.
  • the bottom wall 8, both side walls 9 and 10 and the top wall 11 of nozzle 6 are inclined towards one another in forward direction so that the nozzle 6 tapers forwardly, whereby the refuse pressed forward through the nozzle 6 by the press member 2 is compressed.
  • the top wall 11 is in the form of a flap which can be lifted about a hinge 12.
  • Linked-t0 this flap 2 l 1 isa piston rod 13, the piston of which moves in a hydraulic cylinder l4.
  • the flap 11 is held under bias by the hydraulic pressure acting on the piston rod 13; This bias enables the following to be achieved.
  • the flap 11 At the beginning of the compressing operation, the flap 11 at least partly restricts the passage of refuse through the discharge nozzle 6. Since this passage is partly closed, the material delivered is compressed in r the interior space 37 of the nozzle. However, a substantial part of the compression occurs at the forward surface 38 of the drawer-form pressgmember 2, with the result that compression takes place over the whole cross-sectional surface of the member 2. The material compressed in this way is thus pushed into the interior of the nozzle, producing an impact effect and increasing the pressure on the flap 11. Since this flap is yieldably mounted, it automatically opens only sufficiently wide as to obtain a predetermined degree of compres-- sion.
  • the biasing of the flap 11 hasthe further result' that the majority of refuse in the nozzle 6 iscrushed and compressed, while larger, uncompressible objects will raise the flap 11 further against the biassing so that such objects can also pass through the nozzle.
  • V-form inserts 15 are built-into the inner surface of the flap 11 to augment the compression effect, and ribs l6,'e'.'g., of welded metal strips, are provided on the'inner side of the bottom wall'8 for the purpose of shredding the refuse. These metalstrips can be in the form of knives or be provided with cutting teeth 32. Further, angle members 17 are welded trans versely to the bottom wall'8 and flap 11 to impart a preliminary compression to the refuse and to serve as abutments holding back the refuse in the nozzle 6 to pre-' vent-reverseflow of the same.
  • a drain-off channel 18 is provided in the press casing '1 to allow liquid pressed out of the refuse to be drained off if necessary.
  • oil is delivered from a reservoir 19, through a pump 20 and a control valve 21 to the hydraulic cylinder 4 to operate the press member 2.
  • a second pump 22 delivers oil to the hydraulic cylinder 14, to which is connected an adjustable pressure'regulating valve 23 through which the oil can be returned to the reservoir 19.
  • the biassing-force applied to the flap 1 1 can be adjusted by means of this pressure regulating valve 23. If the pressure produced in the discharge nozzle 6 by the press member 2 exceeds the biassing force applied to the flap 11 by the cylinder 14, the flap 11 will be pushed up so that the oil in the hydraulic cylinder will flow back to the oil reservoir 19 through the pressure regulating valve 23. Should the pressure in the discharge nozzle fall off, the flap 11 will closeand oil will be pumped to the cylinder 14 by pump 22. Pump 22 has only a small delivery volume to avoid producing unnecessary heat. v V
  • V hydraulic cylinder 14 could be fed from a branch of the conduit to hydraulic cylinder'4, allowing pump 22 to be omitted.
  • the diameter of the piston in cylinder 14 and thereby the biassing applied to the flap 11 must be co-ordinated with the press performance.
  • discharge nozzle 6 As the discharge nozzle 6 is removably secured to the press casing 1 by the flange 7 in the described apparatus, it can be removed as a whole and replaced by a different discharge nozzle. Discharge nozzles constructed according to the type of refuse or with different inserts can then be used.
  • an Sf-form curved tube 26 is' connected to flange 7; it essentially comprises a first tubular curve 27, a second tubular curve 28 and a straight part 33 therebetween.
  • the curves in tube 26 have the effect of producing a resistance, which is a prerequisite for compression by press member 2.
  • the resistanceto the material in the S-form tube is not however adjustable, and in particular cannot adapt to different materials, the composition of which can vary. According to the invention, such a discharge nozzle in the form of an S-form tube 26 can be used to advantage.
  • a flap form wall part 24 is provided, the hinge of which is designated 34 and which is influenced by a spring 29 adapted to be regulated by a screw 35.
  • wall part 24 at the position described is to be preferred since the compression is not uniform across the cross section of the tubular curve. It has been found that compression is greater on the inner side of the first curve than in the outer region so that the advantageous effect of the movable, biassed wall part 24 at the position referred to takes effect.
  • FIG. 7 shows another variation of the invention which'also uses an S-form curved tube 26.
  • a brake strip 31 at the inner side of this second curve to avoid, at least partly, the disadvantageous layering of the material which is indicated by chain lines 39.
  • a device for delivering liquid can be provided in the discharge nozzle to moisten paper and cardboard. Such materials loose their residual stress under the influence of moisture so that they no longer have inherent springiness.
  • the apparatus of the invention is particularly suitable 6 be used for example as a baling press for old paper or for pressing sewage.
  • Apparatus for uniformly compressing refuse comprising, in combination, an elongated casing, having a forward opening; 7
  • fluid-pressure-operated press-member means recip' rocatingly supported in said casing for movement beneath said hopper and including a forward, enlarged pressure portion for driving refuse toward said forward opening of the casing while a rear portion behind said forward portion underlies said hopper and prevents additional refuse from entering said casing;
  • pressure-responsive discharge nozzle means connected to the forward end of said casing and communicating therewith for receiving compacted refuse therein until a predetermined pressure is developed therein whereby compacted refuse is pushed out of said discharge-nozzle means during a forward stroke of said press-member means, said discharge-nozzle means'comprising a plurality of forwardly converging, generally planar walls forming a generally converging rectangular crosssectioned forward opening for refuse after it has been compacted to a predetermined degree, one of said walls being hinged on a transverse pivot axis rearwardly of the exit for the compacted refuse, said one wall being pivotal between adjacent side walls and substantially engageable adjacent an underlying wall for substantially closing said forward opening and retaining refuse in said dischargenozzle means until the refuse is compacted to a certain degree; and automatically operated pressureresponsive biasing means engaging said one wall and urging it toward said underlying wall whereby as refuse is compacted to the predetermined degree, application of pressure on refuse by said press member means will overcome said pressureresponsive biasing means and urge the
  • retaining means comprising a piston-'and-cylinder fluidmotor assembly pivotally connected to said one wall and a fixed portion normally urging the one wall toward a closed position, and pressure relief valve means operatively connectedto said fluid motor assembly for permitting the one wall to pivot away from the underlying wall and substantially open the forward end of the discharge nozzle means after the one wall is subjected to a predetermined internal pressure from within the discharge nozzle means while refuse is compacted.
  • the apparatus for uniformly compressing refuse comprising, in combination, an elongated casing, having a forward opening;
  • a refuse hopper opening downwardly into said casing for permitting refuse to descend therein; fluid-pressure-operated press-member means reciprocatingly supported in said casing for movement beneath said hopper and including a forward, en-
  • pressure-responsive discharge nozzle means connected to the forward end of said casing and communicating therewith for receiving compacted refuse therein until a predetermined pressure is developed therein whereby compacted refuse is pushed out of said discharge-nozzle means during a forward stroke of said press-member means, said discharge-nozzle means comprising a plurality of forwardly'converging, generally planar walls forming a generally converging rectangular crosssectioned forward opening for refuse after it has been compacted to a predetermined degree, one of said walls being hinged on a transverse pivot axis rearwardly of the exit for the compacted refuse, said one wall being pivotal between adjacent side walls and substantially engageable adjacent an underlying wall for substantially closing said forward opening and retaining refuse in said dischargenozzle means until the refuse is compacted to a certain degree; and automatically operated pressureresponsive biasing means engaging said one wall and urging it toward said underlying wall whereby as refuse is compacted to the predetermined degree, application of pressure on refuse by said press member means will overcome said pressureresponsive biasing means and urge the compacte
  • the apparatus means as claimedin claim 3 in wich said abutment means comprises a pair of. opposed, transversely disp'osed plate elements projecting into said discharge-nozzle means at a rear portion of said discharge-nozzle means.
  • the apparatus foruniformly compressing refuse comprising, in combination, an elongated casing, having a forward opening;
  • fluid-pressure-operated press-member means reciprocatingly supported in said casing for movement beneath said hopper and including a forward, enlarged pressure-portion for driving refuse toward said forward opening of the casing while a'rear portion behind said forward portion underlies said hopper and prevents additional refuse from entering said casing;
  • pressure-responsive discharge nozzle means connected to the forward end of said casing and communicating therewith for receiving compacted refuse therein until a predetermined pressure is developed therein whereby compacted refuse is pushed out of said discharge-nozzle means during a forward stroke of said press-member means, said discharge-nozzle means comprising a plurality of forwardly converging, generally planar walls forming a generally converging rectangular crosssectioned forward opening for refuse after it has been compacted to a predetermined degree, one of said walls being hinged on a transverse pivot axis rearwardly of the exit for the compacted refuse, said one wall being pivotal between adjacent side walls and substantially engagable adjacent an underlying wall for, substantially closing said forward opening and retaining refuse in said dischargenozzle means until the refuse is compacted to a certain degree; and automatically operated pressureresponsive biasing means engaging said one walland urging it toward said underlying wall whereby as refuse is compacted to the predetermined degree, application of pressure on refuse by said press member means will overcome said pressureresponsive biasing means and urge
  • the apparatus as claimed in claim 5 including abutment means projecting into said compression chamber means, rearwardly of the forward opening and comprising opposed, transversely disposed members for retaining compressed refuse in said dischargenozzle means, and longitudinally-extending rib means in said compression chamber toward said forward end, said rib means including cutter portions for shredding the refuse as it is being compressed.
  • the apparatus for uniformly compressing refuse comprising, in combination, an elongated casing, having a forward opening;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Refuse Collection And Transfer (AREA)
US00183055A 1970-09-29 1971-09-23 Apparatus for compressing refuse Expired - Lifetime US3789752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1437070A CH521848A (de) 1970-09-29 1970-09-29 Vorrichtung zum Verdichten von Müll

Publications (1)

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US3789752A true US3789752A (en) 1974-02-05

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US00183055A Expired - Lifetime US3789752A (en) 1970-09-29 1971-09-23 Apparatus for compressing refuse

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US (1) US3789752A (sv)
AT (1) AT321818B (sv)
BR (1) BR7106450D0 (sv)
CH (1) CH521848A (sv)
DE (1) DE2146556C2 (sv)
ES (1) ES395493A1 (sv)
FR (1) FR2108638A5 (sv)
GB (1) GB1361785A (sv)
SE (1) SE386428B (sv)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893385A (en) * 1970-07-17 1975-07-08 Lewis P White Horizontal trash compactor
US4158332A (en) * 1977-03-07 1979-06-19 Diemme S.P.A. Continuous cycle demuster press with coaxial pistons
US4185446A (en) * 1976-11-24 1980-01-29 Gebr. Claas Maschinenfabrik Gmbh Bale-forming device
US4410340A (en) * 1981-03-06 1983-10-18 Rieter Machine Works Limited Apparatus for separating fibre material
US4413554A (en) * 1980-07-11 1983-11-08 Hydropress Wallander & Co. Ab Refuse compacting device
US4565123A (en) * 1984-05-10 1986-01-21 Sanders Gerald W Tension control for baling machine
DE3500382C1 (de) * 1985-01-08 1986-08-21 Hoesch Ag, 4600 Dortmund Schrottentsorgung von Restbunden
DE3607352A1 (de) * 1986-03-06 1987-09-10 Heinz Bergmann Vorrichtung zum verdichten von aus verpackungsmaterial und leicht pressbaren abfaellen bestehendem muell
US4817520A (en) * 1987-07-16 1989-04-04 Marathon Corporation Compactor with control apparatus for offsetting operation between a gate and a ram
WO1993005952A1 (en) * 1991-09-16 1993-04-01 Sebright Products, Inc. Apparatus for extracting liquid from a composite mass
US5406883A (en) * 1992-04-11 1995-04-18 Sulzer Escher Wyss Gmbh Dewatering press for compressibly dewaterable material
US6197041B1 (en) 1991-06-26 2001-03-06 United States Surgical Corporation Trocar
EP1118455A2 (de) * 2000-01-20 2001-07-25 Kampwerth Umwelttechnik GmbH & Co. KG Vorrichtung zum Verpressen von Abfallstoffen
NL1017884C2 (nl) * 2001-04-20 2002-10-22 Rimetaal B V Afvalsluis met ingebouwde pers en werkwijze voor het verdichten en storten van afval.
WO2005037532A1 (en) * 2003-10-15 2005-04-28 Nordic Water Products Ab Apparatus and method for treating sludge
US7318376B1 (en) 2006-09-12 2008-01-15 Agco Corporation Knotter blower for agricultural balers
FR2948060A1 (fr) * 2009-07-16 2011-01-21 Andre Gonod Dispositif de mise en route pour presse manuelle de densification
US9174406B1 (en) 2015-02-05 2015-11-03 Msw Power Corporation Waste compactor system
US9346231B1 (en) 2015-02-05 2016-05-24 Msw Power Corporation Waste compactor system
US9399552B1 (en) 2015-02-05 2016-07-26 Msw Power Corporation Waste compactor system for vehicles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO153367C (no) * 1983-09-28 1986-03-05 Eivind Baas Neset Innretning for komprimering av voluminoes masse, saerlig husholdningsavfall.
CN110127146B (zh) * 2019-06-04 2024-04-12 郑州协力建工设备有限公司 卧式打包机推盘驱动油缸的安装结构及推盘驱动装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US947013A (en) * 1909-04-15 1910-01-18 John A Dowd Rotary press.
CA457753A (en) * 1949-06-28 T. Bowling Robert Briquetting means
FR995966A (fr) * 1948-09-23 1951-12-11 Dispositifs de presse pour le pressage de jus de fruits ou d'huiles végétales
CA510901A (en) * 1955-03-15 S. Messing Hjalmar Continuous-flow press for removing moisture from material such as bark, bagasse, peat moss and the like
US3070006A (en) * 1960-03-08 1962-12-25 Avco Corp Crop wafering mechanism
US3467000A (en) * 1966-07-21 1969-09-16 American Baler Co The Relief valve
US3559823A (en) * 1969-03-14 1971-02-02 Albert Ostrin Ram feed for incinerators
US3585924A (en) * 1969-03-10 1971-06-22 William J Nolan Apparatus for the removal of liquids from fibrous materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425237A (en) * 1943-02-19 1947-08-05 Flakice Corp Pneumatic nozzle
FR1368883A (fr) * 1963-06-26 1964-08-07 Dispositif auto-régulateur de compacité pour pressoir continu

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA457753A (en) * 1949-06-28 T. Bowling Robert Briquetting means
CA510901A (en) * 1955-03-15 S. Messing Hjalmar Continuous-flow press for removing moisture from material such as bark, bagasse, peat moss and the like
US947013A (en) * 1909-04-15 1910-01-18 John A Dowd Rotary press.
FR995966A (fr) * 1948-09-23 1951-12-11 Dispositifs de presse pour le pressage de jus de fruits ou d'huiles végétales
US3070006A (en) * 1960-03-08 1962-12-25 Avco Corp Crop wafering mechanism
US3467000A (en) * 1966-07-21 1969-09-16 American Baler Co The Relief valve
US3585924A (en) * 1969-03-10 1971-06-22 William J Nolan Apparatus for the removal of liquids from fibrous materials
US3559823A (en) * 1969-03-14 1971-02-02 Albert Ostrin Ram feed for incinerators

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893385A (en) * 1970-07-17 1975-07-08 Lewis P White Horizontal trash compactor
US4185446A (en) * 1976-11-24 1980-01-29 Gebr. Claas Maschinenfabrik Gmbh Bale-forming device
US4158332A (en) * 1977-03-07 1979-06-19 Diemme S.P.A. Continuous cycle demuster press with coaxial pistons
US4413554A (en) * 1980-07-11 1983-11-08 Hydropress Wallander & Co. Ab Refuse compacting device
US4410340A (en) * 1981-03-06 1983-10-18 Rieter Machine Works Limited Apparatus for separating fibre material
US4565123A (en) * 1984-05-10 1986-01-21 Sanders Gerald W Tension control for baling machine
DE3500382C1 (de) * 1985-01-08 1986-08-21 Hoesch Ag, 4600 Dortmund Schrottentsorgung von Restbunden
DE3607352A1 (de) * 1986-03-06 1987-09-10 Heinz Bergmann Vorrichtung zum verdichten von aus verpackungsmaterial und leicht pressbaren abfaellen bestehendem muell
US4817520A (en) * 1987-07-16 1989-04-04 Marathon Corporation Compactor with control apparatus for offsetting operation between a gate and a ram
US6197041B1 (en) 1991-06-26 2001-03-06 United States Surgical Corporation Trocar
WO1993005952A1 (en) * 1991-09-16 1993-04-01 Sebright Products, Inc. Apparatus for extracting liquid from a composite mass
US5215007A (en) * 1991-09-16 1993-06-01 Sebright Products, Inc. Apparatus for extracting liquid from a composite mass
US5406883A (en) * 1992-04-11 1995-04-18 Sulzer Escher Wyss Gmbh Dewatering press for compressibly dewaterable material
EP1118455A2 (de) * 2000-01-20 2001-07-25 Kampwerth Umwelttechnik GmbH & Co. KG Vorrichtung zum Verpressen von Abfallstoffen
EP1118455A3 (de) * 2000-01-20 2001-10-17 Kampwerth Umwelttechnik GmbH & Co. KG Vorrichtung zum Verpressen von Abfallstoffen
NL1017884C2 (nl) * 2001-04-20 2002-10-22 Rimetaal B V Afvalsluis met ingebouwde pers en werkwijze voor het verdichten en storten van afval.
US7410568B2 (en) 2003-10-15 2008-08-12 Nordic Water Products Ab Sludge treatment
WO2005037532A1 (en) * 2003-10-15 2005-04-28 Nordic Water Products Ab Apparatus and method for treating sludge
US20050092694A1 (en) * 2003-10-15 2005-05-05 Jesper Christopherson Sludge treatment
US7335311B2 (en) 2003-10-15 2008-02-26 Nordic Water Products Ab Sludge treatment
US20080099384A1 (en) * 2003-10-15 2008-05-01 Nordic Water Products Ab Sludge treatment
US7318376B1 (en) 2006-09-12 2008-01-15 Agco Corporation Knotter blower for agricultural balers
FR2948060A1 (fr) * 2009-07-16 2011-01-21 Andre Gonod Dispositif de mise en route pour presse manuelle de densification
US9174406B1 (en) 2015-02-05 2015-11-03 Msw Power Corporation Waste compactor system
US9346231B1 (en) 2015-02-05 2016-05-24 Msw Power Corporation Waste compactor system
US9399552B1 (en) 2015-02-05 2016-07-26 Msw Power Corporation Waste compactor system for vehicles

Also Published As

Publication number Publication date
GB1361785A (en) 1974-07-30
ES395493A1 (es) 1975-09-16
CH521848A (de) 1972-04-30
DE2146556C2 (de) 1983-01-05
FR2108638A5 (sv) 1972-05-19
SE386428B (sv) 1976-08-09
BR7106450D0 (pt) 1973-05-03
AT321818B (de) 1975-04-25
DE2146556A1 (de) 1972-03-30

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