WO1983001226A1 - Appareil de production de briquettes combustibles - Google Patents

Appareil de production de briquettes combustibles Download PDF

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Publication number
WO1983001226A1
WO1983001226A1 PCT/SE1981/000286 SE8100286W WO8301226A1 WO 1983001226 A1 WO1983001226 A1 WO 1983001226A1 SE 8100286 W SE8100286 W SE 8100286W WO 8301226 A1 WO8301226 A1 WO 8301226A1
Authority
WO
WIPO (PCT)
Prior art keywords
cutter
engine
tube
sleeve
transport tube
Prior art date
Application number
PCT/SE1981/000286
Other languages
English (en)
Inventor
Sven E Olsson
Original Assignee
Olsson, Sven, E.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Olsson, Sven, E. filed Critical Olsson, Sven, E.
Priority to AU76478/81A priority Critical patent/AU7647881A/en
Priority to PCT/SE1981/000286 priority patent/WO1983001226A1/fr
Publication of WO1983001226A1 publication Critical patent/WO1983001226A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/34—Heating or cooling presses or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/26—Extrusion presses; Dies therefor using press rams

Definitions

  • the raw materials may be transformed into chips or the like; but this will bring about high transport costs, and it will also be difficult to maintain an even moisture content.
  • the aim of the present invention is to propose an apparatus; which is well suited to produce fuel briquettes from arbitrary raw material.
  • the briquettes consist of densely compacted matter; which will reduce transport costs, ' and furthermore will burn for a longer time than particulate chips. At many small furnaces it will then be possible to increase the intervals between the occasions for fuel supply.
  • a rational handling presupposes an efficient combina ⁇ tion of the units performing the chip-cutting and the com ⁇ pacting; as well as of the driving means therefor.
  • An apparatus according to the invention is characterized in a chip-cutter for fractionating raw materials into particles of suitable size; a compactor located directly at the out ⁇ let of the cutter and comprising a transport tube and a reciprocating piston in the compacting cylinder end there ⁇ of, an internal combustion engine driving the cutter and the piston mechanism, as well as means for transferring residual heat from the engine to the transport tube.
  • OMPI A lso the heat of the cooling water of the engine may be utilized for instance in a further sleeve enclosing an other portion of the transport tube; preferably close to the in l et end thereof.
  • heat can be transfer- red by way of air forced through the cooler of the engine, the heated air being expelled between the cutter and the compactor.
  • the chip-cutter; the compactor and the internal com ⁇ bustion engine are preferably mounted upon a platform adapted to be fitted upon a vehicle; the transport tube being arranged in such a manner; that its discharge end is located outside of; and at a higher level than the adjacent side of the platform.
  • the apparatus can easily be transferred between diffe- rent working cites or consumers; and may all the time being mobile. It should; however, * preferably be designed so it; at least occasionally; may be located stationary, 1 removed from the vehicle.
  • Figure 1 shows an elevation of the apparatus
  • Figure 2 shows a plan view of the apparatus
  • Figure 3 shows a detail of the feeding pocket of the com ⁇ pactor
  • Figure 4 shows an alternative embodiment using a number of tubes connected to a common,' compacting cylinder.
  • the raw material may; as is mentioned above, vary within wide limits; but the combination of pressure and heat will provide a final product having about uniform moisture content and with a high density.
  • Wood refuse from ⁇ coniferous trees has a high content of resin, turpentine and the like.
  • the lignin present in all kinds of wood material will furthermore be transformed when subjected to pressure and heat; as in the present apparatus,' and a rod shaped briquette is obtained; having a "hard sintered" outer shell. This ensures that the briquettes are held to ⁇ gether during a -subsequent transport, and do not fall apart into small particles.
  • OM briquettes can be subjected to external moisture, without swelling or breaking up. When straw or dry demolition re ⁇ fuse are used, it may sometimes be advantageous to add some binder before the compacting. 5
  • the apparatus shown in Figures 1 and 2 is mounted upon a platform 10, which is designed so as to permit an easy transportation upon a suitable vehicle, for instance a log forwarder, partly denoted by broken lines at 11 in Figure 1.
  • the platform is provided with telescopic support legs 10 12, " which are” used to stay the vehicle when the plant is in operation, but which will carry the plant separate from the vehicle.
  • Parts of the beam framing 13 of the platform may be designed as tanks for fuel oil and oil for the hydraulic rams.
  • the apparatus includes a chip-cutter 14, which may be of arbitrary known type, here mounted with its axis of rotation horizontally.
  • a compactor 16 of the piston type is fitted directly at the outlet 15 from the cutter.
  • the cutter comprises a transport tube 17, which is arranged so 0 it, from an inlet 18 just below the outlet of the cutter 14 is inclined upwardly, and it extends outside of and above the adjacent side of the platform 10. It will then be easy to arrange a recipient — a conveyor or a hopper - below the mouth 19 of the transport tube.
  • a piston 20, driven by a hydraulic ram 21, is reci- procably fitted in the inlet end of the transport tube acting as cylinder; and will, during a stepwise compacting of the chips falling down through the inlet 18 from the cutter, force the product outwards through the tube.
  • 0 Posssible moisture in the raw material will then be squeezed out, and due to the inclination of the tube it will drain away through openings at the lower end of the tube, or through openings arranged along the tube.
  • the transport tube may have arbitrary cross section, 5 for instance circular or square.
  • a portion of the tube, just downstream of the inner dead center of the piston, may be designed with a tapering cross section, so as to offer an efficient resistance to the compacting.
  • the raw material is fed by a conveyor 22, which in a manner known per se, is provided with a band comprising rods and chains which is supported by a number of rollers 23, * and is driven by a suitable power source 24, here an hydraulic motor.
  • the band is enclosed by side walls 25, which guide the raw material towards the inlet of the chip-cutter 14. Adjacent to the inlet thereof there is a lower fixed roller 26, and an upper roller 27, which is hung in swing- ing arms 2 ; and will perform a preliminary compression of the raw material which may be rather "bushy".
  • the cutter is driven by way of a belt transmission 30, and a hydraulic pump 31 is mounted directly at the engine.
  • the hydraulic pump supplies pressure fluid to the hydraulic ram 21 of the compactor; as well as to the motor 24 of the conveyor.
  • An electric generator, as well as inventional control means are not shown; as they form part of a well known technique. ,.
  • a sleeve 32 en- closes a portion of the transport tube 17, and the exhaust pipe 33 of the engine is connected to this sleeve.
  • the gases pass out into the atmosphere through an upwardly directed pipe 34.
  • the sleeve 32 therefore is provided with a fitting 35 for mounting a gaseous fuel burner 36 (indicated in broken lines) or the like.
  • a second sleeve 37 is fitted around an other portion of the transport tube 17, closer to the inlet thereof than sleeve 3?.. At least part of the cooling water of the engine is brought to pass this second sleeve by way of a conduit 38 from the cooling water pump 39.
  • the engine is provided with a cooler 40, which in a conventional manner is provided with a fan 41.
  • the air forced through the cooler is conveyed through a conduit 42 to the passage between the cutter and the inlet 18 to the transport tube; and is disitributed through a manifold 43.
  • Two square- section transport tubes 17a, b are arranged in parallel, and the manifold 43 extends in parallel thereto within the outlet 15 of the cutter; and is provided with suitably lo- cated outlet slots..
  • the piston mechanisms in the two parallel tubes may be coordinated so one piston 20 moves inwards, while the other moves outwards.
  • a cutting device 44 is prefer- ably fitted at the mouth of the tube, and comprises a knife means 44 which is operated by any suitable power source and intermittently cuts the rod.
  • the piston 53 is shown during its return stroke, and - its front face is thus located at a distance from the end 51 of the co oacted matter.
  • OMPI transport tubes 17a - d form extensions of the walls of the compacting cylinder 50.
  • a restriction of the total transport area is obtained by the passages 54, which sepa ⁇ rate the transport tubes.
  • the ends of the passages 54 turned towards the com ⁇ pacting cylinder are closed by knife members 55, which di ⁇ vide the matter preliminary compacted by the piston 53, and direct the flow of matter to the individual transport tubes 17a - d.
  • This transfer may mean a considerable throttling, and in order to facilitate the introduction into the individual tubes 17a - d the piston is provided with four pointed projections 56, located centrally with respect to longitudinal axes of the tubes.
  • These projec ⁇ tions will leave voids 57 within the matter just outside the inlets to the individual tubes, when the piston re ⁇ tracts. These voids will be filled when the parted mass is forced into the tubes, and they will further facilitate a draining of moisture within this chritical part of the transport path.
  • binders, or sintering aids which may be needed with certain raw materials are preferably supplied by way . of pipe 42 or the manifold 43.
  • a number of transport tubes may be arranqed in parallel and according to various patterns, two or three a-breast or located as indicated in Figure 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

Un appareil de production de briquettes combustibles comprend un dispositif de coupe de copeaux (14), un dispositif de compactage (16) connecté directement au dispositif de coupe et un moteur à combustion interne (29) entraînant celui-ci. La chaleur résiduelle dégagée par le moteur est utilisée de diverses manières pour favoriser les conditions de frittage des copeaux. Une première manche (32) enferme une partie du tube de transport (17) du dispositif de coupage, et l'on fait passer les gaz d'échappement du moteur dans cette manche. L'eau de refroidissement du moteur peut être utilisée dans une autre manche (37) enfermant une autre partie du tube de transport et/ou en conduisant l'air forcé au travers du dispositif de refroidissement (40) du moteur vers un collecteur de distribution (43) situé entre la sortie du dispositif de coupe (14) de copeaux et l'entrée (18) du tube de transport. Le produit obtenu se présente initialement comme une barre ayant une enveloppe ou coquille extérieure (10), laquelle barre est coupée en briquettes d'une épaisseur appropriée par un autre dispositif de coupe (44) à l'extrémité de sortie (19) du tube de transport.
PCT/SE1981/000286 1981-10-02 1981-10-02 Appareil de production de briquettes combustibles WO1983001226A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU76478/81A AU7647881A (en) 1981-10-02 1981-10-02 An apparatus for producing fuel briquettes
PCT/SE1981/000286 WO1983001226A1 (fr) 1981-10-02 1981-10-02 Appareil de production de briquettes combustibles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1981/000286 WO1983001226A1 (fr) 1981-10-02 1981-10-02 Appareil de production de briquettes combustibles

Publications (1)

Publication Number Publication Date
WO1983001226A1 true WO1983001226A1 (fr) 1983-04-14

Family

ID=20342918

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1981/000286 WO1983001226A1 (fr) 1981-10-02 1981-10-02 Appareil de production de briquettes combustibles

Country Status (2)

Country Link
AU (1) AU7647881A (fr)
WO (1) WO1983001226A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1349713A (en) * 1918-06-20 1920-08-17 Wesley W Blair Method of treating peat
US1656859A (en) * 1921-08-13 1928-01-17 Firm Dr Otto Sprenger Patentve Method of producing hard, homogeneous fuel or similar objects from peat, peat moss, lignite, and the like
FR699778A (fr) * 1929-10-28 1931-02-19 Flii Carra Fu Patrizio Machine à exprimer ou presser les rafles du raisin et les vinasses, avec dispositif pour désagréger et subdiviser les marcs de pressuragè
US2076315A (en) * 1932-12-30 1937-04-06 Joseph A Albrecht Method of forming fuel briquettes
DE868251C (de) * 1951-01-26 1953-02-23 Martin Schilling Schwingkolbenobstpresse
FR1370138A (fr) * 1963-07-11 1964-08-21 Pompes Et Machines Hydraulique Perfectionnement aux pressoirs à alimentation continue et cycle alternatif
US3348475A (en) * 1966-02-01 1967-10-24 Int Harvester Co Hay waferizer
FI60574B (fi) * 1978-09-15 1981-10-30 Oesterbergin Konepaja Anordning foer brikettering av avfallsved eller dylikt

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1349713A (en) * 1918-06-20 1920-08-17 Wesley W Blair Method of treating peat
US1656859A (en) * 1921-08-13 1928-01-17 Firm Dr Otto Sprenger Patentve Method of producing hard, homogeneous fuel or similar objects from peat, peat moss, lignite, and the like
FR699778A (fr) * 1929-10-28 1931-02-19 Flii Carra Fu Patrizio Machine à exprimer ou presser les rafles du raisin et les vinasses, avec dispositif pour désagréger et subdiviser les marcs de pressuragè
US2076315A (en) * 1932-12-30 1937-04-06 Joseph A Albrecht Method of forming fuel briquettes
DE868251C (de) * 1951-01-26 1953-02-23 Martin Schilling Schwingkolbenobstpresse
FR1370138A (fr) * 1963-07-11 1964-08-21 Pompes Et Machines Hydraulique Perfectionnement aux pressoirs à alimentation continue et cycle alternatif
US3348475A (en) * 1966-02-01 1967-10-24 Int Harvester Co Hay waferizer
FI60574B (fi) * 1978-09-15 1981-10-30 Oesterbergin Konepaja Anordning foer brikettering av avfallsved eller dylikt

Also Published As

Publication number Publication date
AU7647881A (en) 1983-04-27

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