EP3074327B1 - Method for feeding in and for handling material, an input point and a wastes conveying system - Google Patents

Method for feeding in and for handling material, an input point and a wastes conveying system Download PDF

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Publication number
EP3074327B1
EP3074327B1 EP14866764.5A EP14866764A EP3074327B1 EP 3074327 B1 EP3074327 B1 EP 3074327B1 EP 14866764 A EP14866764 A EP 14866764A EP 3074327 B1 EP3074327 B1 EP 3074327B1
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EP
European Patent Office
Prior art keywords
shut
channel
aperture
input point
channel part
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EP14866764.5A
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German (de)
English (en)
French (fr)
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EP3074327A1 (en
EP3074327A4 (en
Inventor
Göran Sundholm
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Maricap Oy
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Maricap Oy
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/10—Refuse receptacles; Accessories therefor with refuse filling means, e.g. air-locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F1/00—Refuse receptacles; Accessories therefor
    • B65F1/14—Other constructional features; Accessories
    • B65F1/16—Lids or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F5/00—Gathering or removal of refuse otherwise than by receptacles or vehicles
    • B65F5/005—Gathering or removal of refuse otherwise than by receptacles or vehicles by pneumatic means, e.g. by suction

Definitions

  • the invention relates to an input point as defined in the preamble of claim 1.
  • the invention also relates to a method as defined in the preamble of claim 15.
  • the invention relates generally to material conveying systems, such as to pneumatic partial-vacuum transporting systems, more particularly to the collection and conveying of wastes, such as to the conveying of household wastes.
  • material conveying systems such as to pneumatic partial-vacuum transporting systems
  • wastes such as to the conveying of household wastes.
  • Such systems are presented in publications WO 2009/080880 , WO 2009/080881 , WO 2009/080882 , WO 2009/080883 , WO 2009/080884 , WO 2009/080885 , WO 2009/080886 , WO 2009/080887 and WO 2009/080888 , among others.
  • waste feeding means such as to input points or refuse chutes, with which waste is conveyed, typically by gravity, e.g. from higher input apertures in residential buildings to a lower collection space or corresponding container.
  • wastes are conveyed in piping by means of a pressure difference or suction.
  • wastes are conveyed long distances in the piping by sucking.
  • a partial-vacuum apparatus is used to bring about a pressure difference, in which apparatus negative pressure is brought about in the conveying pipe with partial-vacuum generators, such as with a fan, with vacuum pumps or with an ejector apparatus.
  • a conveying pipe typically comprises at least one valve means, by opening and closing which the replacement air coming into the conveying pipe is regulated.
  • Waste input points e.g.
  • rubbish containers or refuse chutes are used in the systems at the waste material input end, into which waste input points material, such as waste material, is fed and from which waste input points the material to be conveyed is conveyed into a conveying pipe by opening a discharge valve means, in which case, by means of the sucking effect brought about by means of the partial vacuum acting in the conveying pipe and also by means of the surrounding air pressure acting via the refuse chute, material such as e.g. waste material packed into bags, is conveyed from the refuse chute into the conveying pipe and onwards to a reception point, where the material to be transported is separated from the transporting air and conveyed for further processing or e.g. into a shipping container.
  • waste input points material such as waste material
  • a discharge valve means in which case, by means of the sucking effect brought about by means of the partial vacuum acting in the conveying pipe and also by means of the surrounding air pressure acting via the refuse chute, material such as e.g. waste material packed into bags, is conveyed from the refuse chute into the convey
  • the pneumatic waste conveying systems in question can be utilized particularly well in densely populated urban areas. These types of areas have tall buildings, in which the input of wastes into a pneumatic conveying system for wastes is performed via an input point, such as a refuse chute arranged, in the building.
  • Material can be conducted from an input point along a refuse chute into a container that is lower in the vertical direction, or an intermediate container can be in connection with the input points, into which intermediate container material fed from an input point is initially conducted and from where the waste material is conveyed onwards along the conveying piping to a reception point.
  • Input points have openable and closable hatches or valves. When suction is acting in an input point, the opening and/or closing of these can be difficult, owing to the pressure difference or transporting air flow, and can therefore require effective drive devices.
  • WO2011/099929A1 discloses an input point according to the preamble of claim 1, comprising an insertion aperture for a pneumatic waste conveying system. A hatch is provided for partially closing the input aperture.
  • WO2011/099929A1 also discloses a method according to the preamble of claim 15.
  • the aim of the present invention is to achieve a completely new type of solution in connection with the input points of a wastes conveying system, by means of which solution the drawbacks of prior art solutions are avoided.
  • One aim of the invention is to achieve a solution with which the apertures that are in connection with an input point can be opened and closed more efficiently than earlier.
  • the invention is based on a concept in which a shut-off means that is movable inside the channel part in the direction of the channel part is arranged in the channel part of an input point, which shut-off means is formed into a bushing means.
  • the input point according to the invention is defined in claim 1.
  • the input point according to the invention has a number of important advantages.
  • the force effects resisting the opening or closing of a shut-off means can be essentially reduced.
  • a shut-off means By arranging a shut-off means to be a bushing means, which can be moved in the channel space of the channel part of an input point, a solution that is functionally effective, and efficient in terms of manufacturing technology, is accomplished for opening and closing an input aperture and/or a replacement-air aperture of an input point.
  • the shut-off means according to an embodiment of the invention it is possible to keep the surface area of the shut-off means small, said surface area resisting the opening or closing of the input aperture and/or replacement-air aperture owing to the pressure difference and/or replacement air flow.
  • the first shut-off means or the second shut-off means can be moved with relatively small forces, in which case the drive devices of the shut-off means can be formed to be smaller than earlier in terms of their power.
  • the solution also enables a replacement-air aperture to be made the shape or size desired.
  • a flexing arrangement in connection with the moving arrangement of the shut-off means, a safety arrangement can be achieved in connection with an input aperture, with which safety arrangement overpowerful closing of the shut-off means is prevented if an object or part has remained between the input aperture and the shut-off means.
  • a limiter part in connection with an input point, the size of objects being fed into the input point can be effectively limited or the volume of the feed container section of the channel space of the channel part can be otherwise limited.
  • the input points which are the input points of waste, such as waste receptacles or refuse chutes, can be used for feeding in material.
  • the method and apparatus according to the invention are particularly well suited in connection with conveying systems of waste material, such as waste material arranged in bags.
  • Figs. 1a-1c present an input point 1 of a pneumatic pipe transport system for wastes.
  • the input point 1 is presented from the front, from the direction of the arrow A of Fig. 1b .
  • the input point 1 is presented from the side, from the direction of the arrow B of Fig. 1a , and in Fig. 1c from the rear, from the direction of the arrow C of Fig. 1b .
  • the input point 1 comprises an enclosure 13, which forms the walls 131, 132, 133, 134, 135 of the input point.
  • An input aperture 2 is formed in the enclosure of the input point, in the figure in the front wall 131 of it.
  • a shut-off means 3 is arranged in connection with the input aperture 2, which can be moved between at least two positions, a first position, in which it prevents the feeding in of material to inside the enclosure of the input point via the input aperture 2, and a second position, in which the input aperture 2 is open.
  • the front wall 131 of the input point 1 is formed to be curved.
  • the front wall connects the side walls 133, 134.
  • the rear wall 132 of the input point connects the side walls 133, 134 from the opposite side with respect to the front wall 131.
  • the top wall 135 of the input point is formed in the embodiment of the figure to be sloping from the front wall side downwards towards the rear wall.
  • FIG. 1 presents one embodiment of an input point 1, in which the connection of the input point with a coupling part 15 to the channel 20 is described. Also the grid parts or grating parts that are in connection with the apertures 14, which are arranged in the figure on the side walls 133 and on the rear wall 132, are presented clearly in the figure.
  • Figs. 2a-2c present a simplified view of an input point 1 according to one embodiment, sectioned on the vertical plane.
  • the input point is arranged with a fixing part 136 onto its mounting surface s.
  • the feed-in container 10, which in the figure is a vertical channel part, of an input point is connected at its bottom part to a material conveying channel 20 with a coupling part 15.
  • An input point thus has a vertical channel part 10, in the wall of which an aperture 201 is formed at the point of the input aperture 2 of the input point.
  • the aperture 201 is of mainly rectangular shape with rounded corners.
  • the aperture 201 of the channel part can be an input aperture 2 at least in an embodiment in which the channel part 10 forms the outer wall, or part thereof, of the input point.
  • the aperture is therefore in a curved wall type of envelope.
  • the cross-sectional shape of the channel can be also of some other shape, such as an ellipse, a polygon or some other suitable shape.
  • a replacement air pathway 60 i.e. a replacement air valve, for conducting replacement air from the input point via the channel part 10 into a material conveying channel 20 and onwards into a material conveying pipe.
  • replacement air is conducted from the replacement-air aperture 63 of the replacement air pathway 60, when the suction of a partial-vacuum generator, such as fans or a vacuum pump, of the pneumatic material conveying system acts via the conveying pipe in the input point.
  • the channel part 10 is closed at the top part with a wall 112 and is connected at the bottom part to a material conveying channel 20.
  • a first shut-off means 3, and its drive means 4, 5 are arranged in an input point 1, which first shut-off means in a first position ( Fig. 2a ) is adapted to close the connection via the input aperture 2 to inside the input point, into the feed-in container of it, which is in the space bounded by the channel part 10.
  • the first shut-off means 3 has a second position ( Fig. 2c ), in which the shut-off means does not prevent the feeding of material via the input aperture 2 into the feed-in container bounded by the channel space of the channel part.
  • the second position of the first shut-off means is downwards from the first position.
  • the first shut-off means 3 in the second position is also arranged to close the replacement-air aperture 63, i.e. the pathway 60 of the replacement air from outside the channel part 10 to inside the channel part 10.
  • a second shut-off means 61 is arranged in the input point, which shut-off means in the first position ( Fig. 2a ) closes the pathway for replacement air to inside the channel part via the access opening 63 for replacement air.
  • the second shut-off means 61 has a second position, in which the second shut-off means does not prevent the passage of replacement air to inside the channel part 10 via the access opening 63 for replacement air.
  • the second position of the second shut-off means 61 is presented in Fig. 2b , in which the second position is downwards from the first position.
  • a drive device 62, 621 is arranged to drive the second shut-off means 61.
  • the first shut-off means 3 is arranged according to the embodiment of Figs. 2a-2c and 1d inside the space bounded by the walls of the channel part 10.
  • the outer wall of the first shut-off means is directed towards the inner wall of the channel part 10.
  • the first shut-off means is a ring-like shut-off means in its cross-sectional shape.
  • the first shut-off means is a bushing means.
  • the bushing means is a mainly tubular means.
  • a bevel sloping inwards in the radial direction is formed in the top part 301 of the first shut-off means 3. It is adapted to suit the countersurface of the wall 111 of the input point, which in the embodiment of the figure is formed at the same point in the height direction as the top part of the edge of the input aperture 2 or of the aperture 201 of the channel part.
  • the drive means 4, 5 of the first shut-off means 3 in the embodiment of the figure comprise an actuator, such as a cylinder-piston combination.
  • a piston 501 is arranged in the cylinder space of the cylinder 4, the piston rod 5 of which piston is fixed at its opposite end with respect to the piston 501 to the shut-off means 3 with a coupling arrangement.
  • a support part 303 is arranged on the bottom part 302 of the shut-off means, which support part extends to outside the wall of the channel part.
  • the support part 303 is arranged on the piston rod 5 with a fixing part 304.
  • the moving means of the first shut-off means comprise a flexing arrangement 305.
  • the flexing arrangement comprises a flexing means 305 arranged between the support part 303 and the fixing part 304.
  • the flexing means 305 is adapted to displace the shut-off means 3 against the countersurface of the wall 111 when displacing said shut-off means into the first position. At the same time, it functions as a safety means and prevents the shut-off means from pressing against the countersurface if there is an obstacle between the shut-off means 3 and the edge of the input aperture 2 or the countersurface of the wall 11.
  • the flexing means 305 can be e.g. a spring means, such as a helical spring, arranged in connection with the support part and the fixing part. In the embodiment of Figs.
  • the inner surface of the channel part 10 can function as the guide surface of the first shut-off means 3.
  • the support part 303 is arranged on the bottom part 302 of the first shut-off means 3, e.g. on the end surface of the shut-off means.
  • the support part 303 comprises a ring-like section, which is arranged on the bottom end surface of the shut-off means, and the actual support part extending outwards in the radial direction from the ring-like section.
  • the support part extends from the aperture formed in the wall of the channel part, in the figure from the replacement-air aperture 63, to outside the channel section 10.
  • the moving device 4, 5 of the first shut-off means 3 is arranged in the embodiment of the figures in the space between the outer wall of the channel section 10 and the enclosure 13 of the input point.
  • the moving device is supported on the structures of the input point, e.g. on the wall of the channel section 10.
  • the first shut-off means 3 By arranging the first shut-off means 3 to be a ring-like means, such as a bushing means, an advantageous solution is achieved for moving the shut-off means in relation to the forces exerted by the suction and by the transporting air flow that are brought about by a partial-vacuum generator of a material conveying system acting in the channeling of an input point of a pneumatic material conveying system.
  • a partial-vacuum generator of a material conveying system acting in the channeling of an input point of a pneumatic material conveying system.
  • the input aperture can be formed to be that desired in terms of its surface area and the actuator of the shut-off means can nevertheless be formed to be relatively small, owing to the relatively small forces needed according to the embodiment to move a bushing-type shut-off means.
  • the second shut-off means 61 is arranged according to the embodiment of Figs. 2a-2c and 4 inside the space bounded by the walls of the channel part 10.
  • the outer wall of the second shut-off means 61 is directed towards the inner wall of the channel part 10.
  • the second shut-off means is a ring-like shut-off means in its cross-sectional shape.
  • the second shut-off means is a bushing means.
  • the top part 601 of the second shut-off means 61 is adapted to fit the countersurface of the bottom part 302 of the first shut-off means 3.
  • the top part 601 of the second shut-off means is in the first position arranged in the height direction close to the edge of the top part of the second aperture, i.e. of the replacement-air aperture 63.
  • the drive means 62, 620 of the second shut-off means 61 in the embodiment of the figure comprise an actuator, such as a cylinder-piston combination.
  • a piston 622 is arranged in the cylinder space of the cylinder 62, the piston rod 621 of which piston is fixed at its opposite end with respect to the piston 622 to the second shut-off means 61 with a coupling arrangement.
  • a support part 603 is arranged on the top part 601 of the shut-off means, which support part extends to outside the wall of the channel part.
  • the support part 603 is arranged on the piston rod 621 with a fixing part 604.
  • the moving means of the second shut-off means comprise a flexing arrangement 605.
  • the flexing arrangement comprises a flexing means 605 arranged between the support part and the fixing part.
  • the flexing means 605 is adapted to displace the shut-off means 61 against the countersurface of the bottom part of the first shut-off means 3 when displacing said shut-off means into the first position. At the same time, it functions as a safety means and prevents the shut-off means from pressing against the countersurface if there is an obstacle between the shut-off means 61 and the edge of the input aperture 63 for replacement air or the countersurface of the first shut-off means.
  • the flexing means 605 can be e.g. a spring means, such as a helical spring, arranged in connection with the support part and the fixing part. In the embodiment of Figs.
  • the inner surface of the channel part 10 can function as the guide surface of the second shut-off means 61.
  • the support part 603 is arranged on the top part 601 of the second shut-off means 61, e.g. on the end surface of the shut-off means.
  • the support part 603 comprises a ring-like section, which is arranged on the top end surface of the shut-off means, and the actual support part extending outwards in the radial direction from the ring-like section.
  • the support part 603 extends from the aperture formed in the wall of the channel part, in the figure from the replacement-air aperture 63, to outside the channel section 10.
  • the moving device 62, 621 of the second shut-off means 61 is arranged in the embodiment of the figures in the space between the outer wall of the channel section 10 and the enclosure 13 of the input point.
  • the moving device is supported on the structures of the input point, e.g. on the wall of the channel section 10.
  • the second shut-off means 61 By arranging the second shut-off means 61 to be a ring-like means, such as a bushing means, an advantageous solution is achieved for moving the shut-off means in relation to the forces exerted by the suction and by the transporting air flow that are brought about by a partial-vacuum generator of a material conveying system acting in the channeling of an input point of a pneumatic material conveying system.
  • relatively small surface areas e.g. the end surface of a shut-off means
  • the resultant of the forces of the pressure difference act because at least some of the radial forces acting on the rim of a ring-like bushing means compensate others).
  • a ring-shaped protrusion such as an O-ring seal, is arranged on the bottom part 602 of the second shut-off means 61, extending from the side surface of said means, which protrusion has a relatively small surface area on which the force effect resisting the movement direction or movement of the shut-off means is, for its part, exerted.
  • Figs. 2a-2c are further presented in the embodiments of Figs. 4 , 5 and 6 .
  • Figs. 4 , 5 and 6 the side wall and rear wall of the input point 1 have been removed for the sake of clarity.
  • a vertical strip has been removed from the channel section 10 so that the location of the first shut-off means and of the second shut-off means 61 in relation to each other and in relation to the input aperture 2 and replacement-air aperture 63 can be seen.
  • the location of the drive means is also more visible in Figs. 4 , 5 and 6 .
  • Figs. 2a-2c are presented in a diagrammatic and simplified manner for the sake of clarity, so that both drive means and their operating states can be presented in the same figure.
  • Fig. 2a and Fig. 4 present a situation in which both shut-off means, the first shut-off means 3 and the second shut-off means 61, are in the first position.
  • both the input aperture 2 and the access opening 63 for replacement air are closed.
  • material cannot be fed into the channel part 10 of the input point from the input aperture 2.
  • the replacement air pathway from the replacement-air aperture 63 into the channel space 10' of the channel part 10 is closed.
  • Fig. 2b and Fig. 6 present a situation in which the second shut-off means 61 has been displaced inside the channel part 10 with the drive means 62, 621 from the first position ( Fig. 2a ) into the second position ( Fig. 2b ).
  • replacement air is able to flow via the replacement-air aperture 63 of the wall of the channel part 10 into the channel space 10' of the channel part 10.
  • the replacement air flow is described with arrows passing through the aperture 63.
  • the first shut-off means 3 is in the first position closing the input aperture 2.
  • the first shut-off means 3 When it is desired to feed more material into the input point 1, the first shut-off means 3 is displaced into the second position ( Fig. 2c ) with the drive means 4, 5. In this case the first shut-off means 3 displaces away from the point of the input aperture 2 and material can be fed in from the input aperture into the feed-in container of the input point 1, i.e. into the channel space 10' of the channel part 10. In the embodiment of Fig. 2c and Fig. 5 the first shut-off means 3 has displaced into the second position, in which the bottom part 302 of the first shut-off means 3 is against the top part 601 of the second shut-off means 61 in the second position.
  • the inner wall of the shut-off means 3, 61 forms the inside surface of the channel space 10' of the feed-in container, or at least a part of the inside surface.
  • the first shut-off means 3 is a ring-like shut-off means, e.g. a bushing means.
  • the second shut-off means 61 is a ring-like shut-off means, e.g. a bushing means.
  • the drive means of a shut-off means 3, 61 can, in terms of their operating principle, be e.g. electrically-operated actuators, hydraulic actuators, pneumatic actuators or some other suitable actuators, depending on the application.
  • Figs. 7a-7d and 8a-8d present yet another embodiment, wherein means are arranged in connection with an input point for limiting the volume of the feed-in container.
  • the means for limiting the volume of the feed-in container comprise a limiter part 700, and also drive means for moving the limiter part between at least two positions.
  • the limiter part 700 is a wall, but it can also be some other suitable structure.
  • the limiter part 700 has at least two positions, a first position, in which the wall does not limit the volume of the feed-in container, and a second position, in which the wall limits the volume of the feed-in container. In the first position the limiter part 700 does not extend into the channel space 10' of the channel part 10 of the input point.
  • the limiter part 700 In the second position the limiter part 700 extends into the channel space 10' of the channel part 10 of the input point.
  • the limiter part In the embodiment of Figs. 7a-7d the limiter part is arranged in a turnable manner on the support part 702 arranged on the bottom part 302 of the first shut-off means 3.
  • a hinge or joint 701 is arranged on the support part 702, around which hinge the limiter part 700 is arranged to be turnable.
  • the limiter part is a wall, which is adapted to fit from an aperture, in the figure from the replacement-air aperture 63, formed into the channel part, when the limiter part is displaced between the first position and the second position.
  • Figs. 7a and 8a the limiter part is in the first position. In this case it does not essentially limit the volume of the channel part or prevent the displacement of the material in the channel space of the channel part.
  • the first shut-off means 3 of the input point is in the first position and the second shut-off means 61 is in the first position.
  • Figs. 7b and 8b the limiter part has been displaced with the drive means into the second position, in which the limiter part extends into the channel space 10' of the channel part.
  • the second shut-off means has displaced into the second position, opening the replacement air pathway via the replacement-air aperture 63.
  • the limiter part has turned at the hinge point 701 into the second position, which in the embodiment of the figure is in the transverse direction with respect to the conveying direction of the material of the channel part, e.g. in an orthogonal directional with respect to the vertical axis of the channel part.
  • the drive means comprise an actuator, such as a cylinder-piston combination in the embodiment of the figure.
  • the actuator is arranged on a support part 702, which is arranged on the wall of the first shut-off means, movably along with the first shut-off means.
  • the actuator comprises in the embodiment of the figure a cylinder part 704 and a piston part 706, which piston part is arranged to move in the cylinder space of the cylinder part.
  • a piston rod 705 Arranged on the piston part 706 is a piston rod 705, which in turn is arranged on the turning mechanism of the limiter part, said mechanism being a rod part 703, which in turn is arranged on the limiter part 700.
  • the actuator acts on the rod part 703, the rod part 703 and limiter part 700 turn in relation to the hinge point 701.
  • the limiter part and its turning means is presented.
  • Figs. 7c and 8c the input aperture 2 of an input point is opened by displacing the first shut-off means 3 into the second position with the drive means (which are presented in Figs, 2a-2c , 4 , 5 , and 6 ).
  • the limiter part 700 which is in the second position, displaces along with the first shut-off means 3.
  • Fig. 7c shows by way of example a material object w fed from the input aperture 2 into the channel space 10' of the channel part 10, i.e. into the feed-in container.
  • the material w can be e.g. waste material or recyclable material packed into bags or material as such put into the input point via the input aperture.
  • the limiter part 700 limits the feed-in container forming, in the embodiment of the figure, a wall closing a part of the cross-section of the channel.
  • the size or volume of the feed-in container can be regulated and at the same time, together with the shape and size of the input aperture 2, the size of objects that can be fed into the input point via the input aperture can be regulated.
  • the feeding of objects that are too long into the feed-in container of an input point can be prevented, such objects being undesirable from the viewpoint of the operation of the material conveying system.
  • the limiter part is between the bottom part of the first shut-off means and the top part of the second shut-off means.
  • the first shut-off means 3 has displaced into the first position and the limiter part 700 has displaced into the first position, in which case the material w is able to go onwards in the channel space of the channel part 10 towards the conveying channel 20, and onwards towards the actual material conveying pipe.
  • the material is conveyed along the material conveying pipe to the delivery end of the material conveying system, such as into a material container or separating device, where the material is separated from the transporting air.
  • the limiter part 700 has been displaced with the drive devices into the first position, in which it does not essentially extend into the material space of the channel part, and does not limit the volume of the feed-in container.
  • the limiter part has turned at the hinge point and displaced via the aperture formed in the wall of the channel part, in the figure via the replacement-air aperture 63, to outside the channel part.
  • the apparatus thus comprises means for conducting replacement air into the channel section of the input point.
  • An input aperture 2 is formed in the enclosure 13 of an input point 1, which enclosure forms the outer walls, or at least a part thereof, of the input point, for feeding material into the channel space 10' of the channel part 10 of the input point, as well as apertures 14 for conducting replacement air to inside the enclosure.
  • the replacement air passes to inside the enclosure 13 through the grating-type apertures 14 and onwards via the pathway 60 of the replacement air into the channel space 10' of the channel section 10.
  • Figs. 4 , 5 , 6 present the apertures 14 formed in the enclosure 13 of an input point for conducting replacement air to inside the enclosure 13.
  • the actuator of the first shut-off means and the actuator of the second shut-off means can be e.g. a medium-driven cylinder-piston unit or e.g. an electrically-operated drive device.
  • pneumatic wastes transporting systems are presented generally, e.g. in publications WO 2009/080880 , WO 2009/080881 , WO 2009/080882 , WO 2009/080883 , WO 2009/080884 , WO 2009/080885 , WO 2009/080886 , WO 2009/080887 , WO 2009/080888 , and WO/2011/110740 .
  • the material is waste material, such as waste material arranged in bags.
  • the input point can be adapted to be a part of a pneumatic waste conveying system or it can be a separate part, in which waste material is conducted into the waste room, waste container or corresponding.
  • a support part 603 is arranged on the second shut-off means 61, which support part extends from the channel space of the channel part 10 to outside the channel part via an aperture formed in the wall of the channel part 10, and that the second shut-off means 61 is moved with moving means from the support part 603.
  • the first shut-off means 3 in the second position at least most of the second aperture, i.e. the replacement-air aperture 63, formed in the wall of the channel part 10 is closed.
  • first shut-off means 3 and the second shut-off means 61 are moved from the first position into the second position at essentially the same time or that the second shut-off means 61 is first moved from the first position into the second position and after that the first shut-off means 3 is moved from the first position into the second position.
  • first shut-off means 3 and the second shut-off means 61 are moved from the second position into the first position at essentially the same time or that the first shut-off means 3 is first moved from the second position into the first position and after that the second shut-off means 61 is moved from the second position into the first position.
  • the size of an object that can be fed into the channel space 10' of the channel part 10 is limited and/or the volume of the feed container portion of the channel part 10 is limited.
  • a limiter part 700 is brought into the channel space 10' of the channel part 10, which limiter part is moved between at least two positions, a first position, in which the limiter part does not essentially extend into the channel space 10' of the channel part 10, and a second position, in which the limiter part 700 extends into the channel space 10' of the channel part 10.
  • the limiter part 700 is moved along with the first shut-off means 3.
  • the limiter part 700 is moved between the first position and the second position from an aperture, such as a replacement-air aperture 63, formed in the wall of the channel part 10.
  • the moving means of the first shut-off means 3 and/or the second shut-off means 61 comprise a flexing arrangement 305, 605.
  • the invention also relates to an input point 1 for a pneumatic material conveying system, which input point comprises an input aperture 2 for feeding material to inside the input point from outside the input point, means 3 for opening and closing the input aperture, and means for conducting replacement air in a regulated manner from the input point into the material conveying channel, which can be connected to a conveying pipe, into which conveying pipe the suction side of a partial-vacuum generator can be connected to act.
  • the input point 1 comprises a channel part 10, in the wall of which an aperture is formed for feeding material into the channel space 10' of the channel part 10 via the input aperture 2, that the means for opening and closing the input aperture 2 comprise a first shut-off means 3, which is a bushing means, and which first shut-off means is fitted inside the channel part 10 movably between at least one first position, in which the connection for feeding in material via the input aperture 2 is closed, and at least one second position, in which the connection for feeding in material via the input aperture 2 is open.
  • a first shut-off means 3 which is a bushing means
  • a second aperture 63 a replacement-air aperture, from outside the channel part into the channel space 10' of the channel part, and means for opening and closing the replacement-air aperture, which means comprise a second shut-off means 61, which is a bushing means, and which second shut-off means is fitted inside the channel part 10 movably between at least one first position, in which the connection into the channel space 10' of the channel part via the replacement-air aperture 63 is essentially closed, and at least one second position, in which the connection into the channel space 10' of the channel part 10 via the replacement-air aperture 61 is open.
  • a support part 303 is arranged on the first shut-off means 3, which support part extends from the channel space of the channel part 10 to outside the channel part via an aperture formed in the wall of the channel part 10, and that the moving means of the first shut-off means 3 are adapted to move the first shut-off means from the support part 303.
  • a support part 603 is arranged on the second shut-off means 61, which support part extends from the channel space of the channel part 10 to outside the channel part via an aperture formed in the wall of the channel part 10, and that the moving means of the second shut-off means 61 are adapted to move the second shut-off means from the support part 603.
  • first shut-off means 3 and the second shut-off means 61 are arranged in the channel space 10' of the channel part 10 in such a way that the bottom part 302 of the first shut-off means is towards the top part 601 of the second shut-off means 61 in the channel space of the channel part.
  • the first shut-off means 3 in the second position is adapted to close at least most of the second aperture, i.e. the replacement-air aperture 63, formed in the wall of the channel part 10,
  • means 700 are arranged in connection with an input point for limiting the volume of the feed-in container at least partly comprised in the channel space 10' of the channel part 10.
  • the input point 1 comprises a limiter part 700 and also drive means for moving the limiter part between at least two positions, a first position, in which the limiter part 700 does not essentially extend into the channel space 10' of the channel part 10, and a second position, in which the limiter part 700 extends into the channel space 10' of the channel part 10.
  • the limiter part 700 is arranged to be movable along with the first shut-off means 3.
  • the limiter part 700 is arranged turnably on the first shut-off means 3.
  • the limiter part 700 is adapted to extend into the channel space 10' of the channel part 10 from an aperture formed in the wall of the channel part, such as a replacement-air aperture 63.
  • the moving means of the first shut-off means 3 and/or the second shut-off means 61 comprise a flexing arrangement 305, 605.
  • the invention also provides a waste conveying system, which comprises an input point according to any of claims 1-13.
  • the material is waste material, such as waste material arranged in bags.
  • the input point can be adapted to be a part of a pneumatic waste conveying system or it can be a separate part, in which waste material is conducted into the waste room, waste container or corresponding.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Collection And Transfer (AREA)
EP14866764.5A 2013-11-26 2014-11-24 Method for feeding in and for handling material, an input point and a wastes conveying system Active EP3074327B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20136176A FI125219B (fi) 2013-11-26 2013-11-26 Menetelmä materiaalin syöttämiseksi ja käsittelemiseksi, syöttöpiste sekä jätteidensiirtojärjestelmä
PCT/FI2014/050895 WO2015079105A1 (en) 2013-11-26 2014-11-24 Method for feeding in and for handling material, an input point and a wastes conveying system

Publications (3)

Publication Number Publication Date
EP3074327A1 EP3074327A1 (en) 2016-10-05
EP3074327A4 EP3074327A4 (en) 2017-06-28
EP3074327B1 true EP3074327B1 (en) 2021-03-17

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EP14866764.5A Active EP3074327B1 (en) 2013-11-26 2014-11-24 Method for feeding in and for handling material, an input point and a wastes conveying system

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EP (1) EP3074327B1 (da)
DK (1) DK3074327T3 (da)
ES (1) ES2866628T3 (da)
FI (1) FI125219B (da)
WO (1) WO2015079105A1 (da)

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CN109849189A (zh) * 2018-11-28 2019-06-07 为海（泰州）建材有限公司 一种特殊的混凝土原料输送稳定座

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FI120678B (fi) * 2007-11-14 2010-01-29 Maricap Oy Menetelmä roska-astian täyttöaukon sulkemiseksi ja roska-astia sekä jätteiden alipainesiirtojärjestelmä
FI123782B (fi) 2007-12-21 2013-10-31 Maricap Oy Menetelmä ja laitteisto pneumaattisessa materiaalinsiirtojärjestelmässä
FI20085143L (fi) 2007-12-21 2009-06-22 Maricap Oy Menetelmä ja laitteisto pneumaattisessa materiaalinsiirtojärjestelmässä
FI124408B (fi) 2007-12-21 2014-08-15 Maricap Oy Menetelmä ja laitteisto pneumaattisessa materiaalinsiirtojärjestelmässä
FI20085149L (fi) 2007-12-21 2009-06-22 Maricap Oy Menetelmä ja laitteisto pneumaattisessa materiaalinsiirtojärjestelmässä
FI20085146L (fi) 2007-12-21 2009-06-22 Maricap Oy Menetelmä ja laitteisto pneumaattisessa materiaalinsiirtojärjestelmässä
FI123765B (fi) 2007-12-21 2013-10-31 Maricap Oy Menetelmä pneumattisessa materiaalinsiirtojärjestelmässä ja pneumaattinen materiaalinsiirtojärjestelmä
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Also Published As

Publication number Publication date
EP3074327A1 (en) 2016-10-05
FI125219B (fi) 2015-07-15
WO2015079105A1 (en) 2015-06-04
FI20136176A (fi) 2015-05-27
DK3074327T3 (da) 2021-05-17
ES2866628T3 (es) 2021-10-19
EP3074327A4 (en) 2017-06-28

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