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WO2006123019A1 - Transporteur de tube destine a des objets presentant une forme specifiee et procede de transport d'objets dotes d'une forme specifiee - Google Patents

Transporteur de tube destine a des objets presentant une forme specifiee et procede de transport d'objets dotes d'une forme specifiee Download PDF

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Publication number
WO2006123019A1
WO2006123019A1 PCT/FI2006/050196 FI2006050196W WO2006123019A1 WO 2006123019 A1 WO2006123019 A1 WO 2006123019A1 FI 2006050196 W FI2006050196 W FI 2006050196W WO 2006123019 A1 WO2006123019 A1 WO 2006123019A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor
tube
specified form
protrusions
objects
Prior art date
Application number
PCT/FI2006/050196
Other languages
English (en)
Inventor
Timo Alastalo
Esko Partanen
Original Assignee
Timo Alastalo
Esko Partanen
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 Timo Alastalo, Esko Partanen filed Critical Timo Alastalo
Publication of WO2006123019A1 publication Critical patent/WO2006123019A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/52—Adaptations of pipes or tubes
    • B65G53/523—Wear protection

Definitions

  • the present invention relates to a tube conveyor for objects in a specified form, which includes a pushing device, together with a connector flange, for an object of a specified form, a conveyor tube, and an exit tube.
  • the invention also relates to a method for conveying objects in a specified form, in which method objects of a specified form are pushed in a conveyor tube.
  • Fine-particle materials release dust with the wind into the near environment of the conveyors .
  • the material being moved by the conveyor often starts burning due to a spark or to the overheating of the equipment arising, for example, from damaged bearings.
  • the transportation distances of the material being moved are relatively short and the substantial lengthening of the transportation distances lead to significant increases in the drive power required, mainly due to friction factors .
  • fine-particle material refers to any powder-like, chip-like, dust-like, granular, or similar material, which can be compressed into briquettes by a press device.
  • briquette refers to a billet-like compressed product of a specified form and constant size, which is compressed from the aforementioned fine-particle materials.
  • the bri- quette is drawn with broken lines with a round cross-section, but a briquette can also have a cross-section that is square, rectangular, or of any other shape.
  • the essential feature is that the tube conveyor according to the new invention can be dimensioned and designed to suit each bri- quette size, briquette type, and briquette material.
  • a carrier agent is a gaseous or liquid substance, which can be circulated in the conveyor tube and carrier-agent circulation channels, and which can, with the aid of pressure, lift a briquette billet or similar clear of the bottom of the conveyor tube and the upper surface of its protrusion.
  • the carrier agent can be, for example, water, some other liquid, compressed air or some other gas, for example, an inert gas, which cannot ignite from a spark.
  • the type, grade, and properties of the carrier agent are determined by the grade and properties of the briquette. If the carrier agent is compressed air or gas, a fan or compressor suitable for its circulation and compression and dimensioned according to its initial values is used to circulate it. If the carrier agent is water or some other liquid, a circulation pump is used for is circulation and compression.
  • the lifting power and direction of the carrier agent is shown in Figures 5 and 6 by a direct arrow and the code F 1, and the pushing power of the device pushing the briquette with the code F.
  • the briquetting machine or some other push- ing device can act as the pushing device.
  • the invention is intended to create an entirely new type of transfer conveyor, with the aid of which the drawbacks of the traditional types of conveyors, referred to above, can be avoided, by means of the following operations and technical construction solutions :
  • the fine-particle material is first compressed to form dense briquettes, which are moved by the transfer conveyor ⁇ on top' of a carrier agent, in such a way that dusty fine particles are not created to any significant extent, and if they arise, are filtered out in the circulation channel.
  • the conveyor tube is tightly enough sealed that no fine particles can create dust in the environ- ment under any conditions .
  • the tube conveyor according to the invention is suitable precisely for applications, in which heavy material must be trans- ferred over long transport distances with low investment and operating costs, safely and in an environmentally friendly manner.
  • the tube conveyor according to the invention consists or one or more conveyor-tube elements, with a length L, at the connection points of which there is a pressure-holding, tight connector-flange construction.
  • the tube conveyor according to the invention essentially includes equipping each conveyor-tube element, of a length L, with such equipment and a circulation channel, that by circulating the carrier agent of the briquette billet or briquette queue, and by suitably increasing its pressure between the lower part of the conveyor tube and the briquettes, the briquette queue or briquette billet is raised off the protrusion of the conveyor tube, in which case the sliding friction is reduced to a fraction of what it would be without the lifting force of the carrier agent.
  • other objects in a specified form can also be moved using the tube conveyor.
  • the bri- quettes are guided, in such a way that they are kept in the centre of the tube, through the conical part of the connector flange, through the connector seal.
  • the connector seal is pressed against the outer surface of the briquette being moved, in such a way that the necessary tightness and pressure of the carrier agent are retained.
  • the spring-loaded element can be suitably steplessly tightened using an automatic control device, in situations in which, for example, at the start of a downward slope, gaps of such a size begin to arise between the bri- quettes in the queue, that the pressure of the carrier agent begins to decrease excessively.
  • briquette tube conveyor using the briquette tube conveyor according to the invention, other piece goods than briquettes, of constant dimensions, uniform quality, and size can be moved, in the conveyor-tube element, for example, tin cans, oil drums, various containers, artillery shells, bricks, tubes equipped with protector plugs, shafts, and other bar-shaped piece goods, etc.
  • the essential requirement for the aforementioned piece goods is that they can be placed and pushed in the conveyor tube in such a tightly unbroken queue that the carrier agent cannot to a significant extent discharge uncontrollably from between the piece-goods components .
  • the tube conveyor, according to the invention, for objects in a specified form is characterized by what is stated in the characterizing portion of Claim 1.
  • the method, according to the invention, for conveying objects in a specified form is characterized by what is stated in the characterizing portion of Claim 8.
  • the tube conveyor, according to the invention, for objects in a specified form is examined in greater detail with reference to the parts lists, page 11, and the accompanying drawings appended here, of which;
  • FIG. 1 shows a conveyor-tube element and a briquette coming from the exit end, seen from above the exit tube
  • FIG. 2 shows a longitudinal cross-section, A-A, of the aforementioned figure, in addition, the carrier-agent circulation channels and circulation devices are drawn schematically,
  • FIG. 3 shows the flange connection between the briquette pushing device and the tube conveyor according to the invention, detail 1
  • FIG. 4 shows a cross-section of the carrier-agent outlet connection, to be installed in the middle of each conveyor-tube element, detail 2,
  • FIG. 5 shows a cross-section, C-C, of the conveyor-tube element, at the location of the aforementioned car- rier-agent outlet connection, detail 2,
  • FIG. 6 shows a cross-section B-B, of the conveyor-tube element, at the location of the c a r r i e r - a g en t (compressed air or gas) return connection, detail 1.
  • the c r o s s - s e c t i o n is the same at all the carrier-agent return connections.
  • the direction of the lifting force created by the pressure of the carrier agent is shown by the straight direction arrow and the code F 1.
  • the circulation direction of the carrier agent is shown by the curved direction arrow,
  • FIG. 7 shows the flange connection between the tube conveyor according to the invention and the briquette exit tube, detail 3.
  • the connections between all the sepa ⁇ rate elements of a tube conveyor assembled from sev- eral conveyor-tube elements are otherwise similar, except that the rearmost conical part is omitted and the connector flange is the same as in Figure 3 (FIG. 3) , detail 1.
  • FIG. 8 shows a cross-section, C-C, detail 2, at the location of the carrier-agent exit connection, of such a con- veyor-tube element, the carrier agent of which is water or some other liquid.
  • the carrier-agent circulation channels and circulation devices are drawn schematically in the figure.
  • FIG. 9 shows a cross-section of the aforementioned con- veyor-tube element at all other points up to the connector-flanges of the conveyor tube, and
  • FIG. 10 shows a cross-section, D-D, details 1 and 3, at the location of the flange-connection compressive connectors of the conveyor-tube element. All the compres- sive connectors of the tube conveyor are similar.
  • FIG. 1 - FIG. 10 show various embodiments of the inven- tion for both compressed air and gas, or pressurized water or some other pressurized liquid.
  • the previously unknown technical implementation is represented by the devices and their operation between the flange connector 1 of the pushing device and the briquette exit tube 18.
  • the tube conveyor is also suitable for conveying other kinds of objects in a specified form.
  • the briquettes are pushed into the tube conveyor according to the invention using a briquetting machine or some other pushing device.
  • FlG. 2 shows the direction of the pushing force of the briquette-pushing device with the code F, and the connector flange 1 of the pushing device.
  • the actual conveyor tube 5 is partly of a known previous type of tube conveyor, but all the device technologies presented in the following are previously unknown device solutions.
  • the briquette billet or queue is, according to the invention, lifted clear of the conveyor-tube protrusions 6 by leading compressed air through an inlet opening 7 to the lower part of the conveyor tube 5 over the entire distance to the connector flanges 4 and 16, in such a way that the carrier agent is able to push into the upper part of the conveyor tube between the protrusions 6 and the briquette and from there through the carrier-agent return connections to the carrier-agent circulation channels 9.
  • the briquette is raised off the conveyor-tube protrusion 6 only to the extent, for example 0,5 - 1 mm, required to eliminate the friction between them, so that the amount of the flows of carrier agent is not very great.
  • the circulation and filtering devices for the carrier agent are not previously unknown, but their use for the appli- cation according to the invention is a new technology, i.e. their combination in connection with use in the conveyor tube is a previously unknown technique.
  • the carrier agent is compressed air or some other gaseous substance
  • the carrier agent is led through carrier-agent return-connections 8 located symmetrically in the upper part of the conveyor tube 5 to carrier-agent circulation channels 9 constructed symmetrically, in which there are shut-off valves 10, throttle valves 11, a carrier-agent dirt filter 12, and a circulation device 13 suitable for circulating a gaseous substance, for example a fan or compressor, which are essential for operation.
  • each separate tube-conveyor element 5' is made tight by using compressive connectors 2 and connector seals 3, and is also separated by a first connector flange 16 and a second connector flange 17, to form a separate, pressure-tight, chamber.
  • the pressure seal is ensured in the flange connectors by spring-loaded elements 19 according to Figure 10 (FIG. 10) pressing the connector seal 3 against the outer surface of the briquette being moved, by means of the compressive connectors 2.
  • FIG. 10 Figure 10
  • the fine particles that collect at the conical part are removed with the aid of compressed air, from the fine-particle exit connection 14, by opening the fine-particle exit valve 15.
  • sufficient tightness in a horizontal or rising tube conveyor can be achieved at the connection point by using the spring-loaded element 19.
  • the carrier-agent return connections 8 are openings made the side wall of the conveyor tube 5, above the protrusion, through which the liquid flows into the carrier-agent circulation channel 9 under the conveyor tube, from where, after filtering, it is transferred under pressure to the lower part of the conveyor tube 5 through the inlet connection 7, by a circulation device 13, pump, or similar.
  • the two different conveyor types according to figures FIG.l - FIG. 10 are model applications of the present invention, of which there are also others.
  • the conveyor tube 5 there can be many more carrier-agent inlet and return connections and their locations can differ from those referred to above. However, they share the common feature of symmetricalness, as the pressure below the briquette billet or queue should be uniform over the entire length of the conveyor tube while, in addition, the aforementioned lower pressure above the briquettes should also be of the same order of magnitude over the entire length L of the conveyor tube .
  • Carrier-agent circulation device (fan, compressor, pump, or similar)
  • Conveyor-tube first connector flange 20 Conveyor-tube second connector flange

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

L'invention concerne un transporteur de tubes destiné à des objets présentant une forme spécifiée. Ledit transporteur comprend un dispositif poussoir associé à un rebord de raccord (1) pour un objet à forme spécifiée, un tube de transporteur (5) et un tube de sortie (18). Des protubérances (6) sont disposées sur le côté interne de la partie inférieure du tube du transporteur (5). Par ailleurs, ledit transporteur présente un dispositif de circulation (13) servant à mettre sous pression et à déplacer un agent porteur liquide ou gazeux dans la zone entre les protubérances (6). La pression de l'agent porteur soulève un objet doté d'une forme spécifiée ou une série d'objets hors de la surface supérieure des protubérances (6). En outre, l'agent porteur s'écoule entre les protubérances (6) et les objets dotés d'une forme spécifiée, à travers des raccords de retour (8) au-dessus des protubérances (6) du tube du transporteur (5) de manière à retourner au dispositif de circulation (13). Par ailleurs, des soupapes d'arrêt (10), des robinets d'étranglement (11) et un filtre à poussière (12) sont reliés au dispositif de circulation (13). Cette invention a, également, pour objet un procédé de transport d'objets comprimés présentant une forme spécifiée.
PCT/FI2006/050196 2005-05-16 2006-05-16 Transporteur de tube destine a des objets presentant une forme specifiee et procede de transport d'objets dotes d'une forme specifiee WO2006123019A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20050519 2005-05-16
FI20050519A FI20050519A0 (fi) 2005-05-16 2005-05-16 Määrämuotoisten puristeiden putkikuljetin

Publications (1)

Publication Number Publication Date
WO2006123019A1 true WO2006123019A1 (fr) 2006-11-23

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Family Applications (1)

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PCT/FI2006/050196 WO2006123019A1 (fr) 2005-05-16 2006-05-16 Transporteur de tube destine a des objets presentant une forme specifiee et procede de transport d'objets dotes d'une forme specifiee

Country Status (2)

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FI (1) FI20050519A0 (fr)
WO (1) WO2006123019A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144021A (en) * 1976-01-16 1979-03-13 Oxy Metal Industries Corporation Fluid rail conveying apparatus
DE3235038A1 (de) * 1982-09-22 1984-03-22 Josef 5000 Köln Buchholz Verfahren und vorrichtung zum brikettieren von losen stoffen, insbesondere von faserigen abfallstoffen
EP0268578A2 (fr) * 1983-06-30 1988-05-25 E.B. Eddy Forest Products Limited Eléments de convoyeurs pneumatiques
DE8708816U1 (de) * 1987-06-25 1988-08-04 Frank, Gabriele, 6333 Braunfels Vorrichtung zum pneumatischen Transport
DE19514143A1 (de) * 1995-04-15 1996-10-17 Putzmeister Maschf Verfahren und Vorrichtung zur Druckförderung von Dickstoffen
US6336775B1 (en) * 1998-08-20 2002-01-08 Matsushita Electric Industrial Co., Ltd. Gas floating apparatus, gas floating-transporting apparatus, and thermal treatment apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4144021A (en) * 1976-01-16 1979-03-13 Oxy Metal Industries Corporation Fluid rail conveying apparatus
DE3235038A1 (de) * 1982-09-22 1984-03-22 Josef 5000 Köln Buchholz Verfahren und vorrichtung zum brikettieren von losen stoffen, insbesondere von faserigen abfallstoffen
EP0268578A2 (fr) * 1983-06-30 1988-05-25 E.B. Eddy Forest Products Limited Eléments de convoyeurs pneumatiques
DE8708816U1 (de) * 1987-06-25 1988-08-04 Frank, Gabriele, 6333 Braunfels Vorrichtung zum pneumatischen Transport
DE19514143A1 (de) * 1995-04-15 1996-10-17 Putzmeister Maschf Verfahren und Vorrichtung zur Druckförderung von Dickstoffen
US6336775B1 (en) * 1998-08-20 2002-01-08 Matsushita Electric Industrial Co., Ltd. Gas floating apparatus, gas floating-transporting apparatus, and thermal treatment apparatus

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