US3801023A

US3801023A - Arrangement for the removal of waste material

Info

Publication number: US3801023A
Application number: US00222870A
Authority: US
Inventors: J Altvater
Original assignee: Individual
Current assignee: Individual
Priority date: 1971-02-15
Filing date: 1972-02-02
Publication date: 1974-04-02
Anticipated expiration: 1991-04-02
Also published as: IT965577B; NL165079C; BE779374A; AT316424B; CH541489A; FR2114940A5; SE391909B; AU3882272A; NL7201489A; GB1325984A; NL165079B; ES399810A1; JPS5024786B1; AU459991B2; DK134669C; DK134669B

Abstract

An arrangement for the removal of waste material is disclosed in which waste material is loaded into cylindrical containers at each of a number of filling stations. After being filled, the containers are sealed and transported by lorry, rail or water to a discharge station at which the material in the containers is discharged into a suitable processing plant. Each container is provided with a hatchway engageable with filling means at a filling station, whilst the container is rotated about its longitudinal axis to cause waste material introduced into the container to be compressed by interaction with a helical blade which projects from the peripheral wall towards the interior of the cylindrical container. At the discharge station, the waste material is discharged from the cylindrical container whilst the container rotates in a direction opposite to its direction of rotation of the filling station. At the filling station, the container is mounted on a mono-rail, along which it is propelled to cause its hatchway to engage means for introducing waste material into the container. Each filling station is provided with rails extending transversely of the mono-rail and each container is rolled by a winch across these rails for loading on to a lorry or barge for transporting it to the discharge station. At the discharge station, an arrangement analogous to that which has been described at the filling station is provided, except that means for receiving waste material from the containers replaces the means for introducing the waste material therein. The filled containers, after being sealed, may be arranged to be sufficiently buoyant to float and may therefore be towed along waterways to a discharge station, such as a remote off-shore island.

Description

United States Patent 1191 Altvater Apr. 2, 1974 [54] ARRANGEMENT FOR THE REMOVAL OF WASTE MATERIAL [76] Inventor: Jakob Altvater, 5,Furst-Erich-Str.,

7954 Bad Wurzach, Germany 22 Filed: Feb. 2, 1972 [21] Appl. No.: 222,870

[30] Foreign Application Priority Data Feb. 15, 1971 Germany 2107094 [52] US. Cl 241/83, 214/38 D, 214/41, 214/300, 294/4 [51] Int. Cl B60p 1/64 [58] Field of Search 214/38 R, 38 D, 83.32, 214/507, 1 QB, 300, 301, DIG. 1, DIG. 3, DIG.-4; 198/215; 294/4; 241/83 [56] References Cited UNITED STATES PATENTS 3,013,675 12/1961 Schronrock 21'4 41 1,991,297 2/1935 Schluter 214/83.32 X 3,178,044 4/1965 Phillips 2l4/85.1 2,385,321 9/1945 Miller 214/340 FOREIGN PATENTS OR APPLICATIONS 10/1951 France 214/17 C Primary Examiner-Robert G. Sheridan Attorney, Agent, or FirmSughrue, Rothwell, Mion, Zinn & Macpeak [57] ABSTRACT An arrangement for the removal of waste material is disclosed in which waste material is loaded into cylindrical containers at each of a number of filling stations. After being filled, the containers are sealed and transported by lorry, rail or water to a discharge station at which the material in the containers is discharged into a suitable processing plant. Each container is provided with a hatchway engageable with filling means at a filling station, whilst the container is rotated about its longitudinal axis to cause waste material introduced into the container to be compressed by interaction with a helical blade which projects from the peripheral wall towards the interior of the cylindrical container. At the discharge station, the waste material is discharged from the cylindrical container whilst the container rotates in a direction opposite to its direction of rotation of the filling station. At the filling station, the container is mounted on a monorail, along which it is propelled to cause its hatchway to engage means for introducing waste material into the container. Each filling station is provided with rails extending transversely of the mono-rail and each container is rolled by a winch across these rails for loading on to a lorry or barge for transporting it to the discharge station. At the discharge station, an arrangement analogous to that which has been described at the filling station is provided, except that means for receiving waste material from the containers replaces the means for introducing the waste material therein. The filled containers, after being sealed, may be arranged to be sufficiently buoyant to float and may therefore be towed along waterways to a discharge station, such as a remote off-shore island.

19 Claims, 14 Drawing Figures PMENTED APR 2 I974 SHEET 1 OF 7 PATENTED APR 2 i974 SHEET 2 BF 7 PMENTEU APR 2 I974 SHEET 3 OF 7 MENTED APR 2 I974 sum u 0? 7 MENTEU APR 21974 SHEET 5 BF 7 PAIENTEDAPR 2 m4 SHEET 8 OF 7 mm mm ARRANGEMENT FOR THE REMOVAL OF WASTE MATERIAL BACKGROUND OF THE INVENTION The present invention relates to improvements in an arrangement for the removal of waste material, such as domestic sewage sludge and industrial rubbish slag.

Such waste material has hitherto, apart from a few exceptions, been deposited on dumps on plots in the proximity of the local catchment areas from which they are drawn, i.e. communities, towns and trade or industrial undertakings. Such numerous rubbish tips spoil the landscape, cause pollution, and promote vermin. Due to the enormous incease of rubbish and other waste material, the present rubbish tips no longer suffice and suitable new depositing places are becoming increasingly difficult to find. For these reasons the legislators of different states have decided to supervise the removal of solid and liquid waste material by laws on environmental protection and regulations for its removal. Under such regulations the number of rubbish tips are not to be multiplied but are planned to be reduced and the target is their total removal by the construction of rubbish incineration plants. The procurement and the operation of such expensive plants is however economically tolerable only when a plant is supplied with rubbish from a large number of local catchment areas. The wide distribution of such catchment areas necessitates long driving distances to a central incineration plant. Such long journeys necessitate a substantial increase in the fleet of dust carts and in the personnel required to service them, and correspondingly high cost.

An object of the present invention is to provide a cheaper and more efficient means for the removal of waste material and for transporting it to special refuse disposal plants than has been available hitherto.

SUMMARY OF THE INVENTION According to the present invention, there is provided an arrangement for the removal of waste material comprising a plurality of elongate cylindrical containers for waste material, a plurality of filling stations each provided with filling means for introducing waste material through a hatchway on each of the containers when the respective container is so mounted on guide means extending from the filling means that the longitudinal axis of the container is substantially parallel to the guide means, transport means for transporting the containers, and a discharge station provided with means for receiving waste material discharged from the containers transported to the discharge station and so mounted on guide means extending from the receiving means that the longitudinal axis of the container is substantially parallel to the last mentioned guide means, the arrangement being such that each container is rollable from support means extending transversely of the guide means at the respective filling station on to the guide means, is displaceable along the guide means to engage its hatchway with the filling means for filling the container, is displaceable along the guide means to disengage its hatchway from the filling means, is rollable from the guide means on to the support means and thence on to the transport means, and each container on being transported to the discharge station, is rollable from the transport means on to support means extending transversely of the guide means at the discharge station and thence on to the guide means, is displaceable along the guide means to engage its hatchway with the receiving means, is displaceable along the guide means to disengage its hatchway from the receiving means, is rollable from the guide means on to the support means and thence on to the transport means for returning the respective container to one of the filling stations.

BRIEF DESCRIPTION OF THE DRAWINGS An embodiment of the invention will now be more particularly described with reference to the accompanying drawings, in which:

FIG. 1 shows a side elevational view of a generally cylindrical elongate container for waste material;

FIG. 2 shows a front-end elevational view of the container shown in FIG. 1;

FIG. 3 shows a sectional view of part of the container shown in FIGS. 1 and 2;

FIG. 4 shows a forward part of the container shown in FIGS. 1 to 3 and an unloading chute in median longitudinal section with a bearing pedestal of the container in side elevation;

FIG. 5 shows a filling station in plan view;

FIG. 6 shows a section along the line VI-VI of FIG.

5, with a bearing pedestal of the container in front elevation;

FIG. 7 shows discharge station in side elevation;

FIG. 8 shows a plan view of FIG. 7;

FIG. 9 shows a cable winch for facilitating transport of the container shown in FIGS. 1 to 3 in a direction transverse to its longitudinal axis;

FIG. 10 shows a detail of the cable winch shown in FIG. 9;

FIG. 11 shows a filling station in side elevation;

FIG. 12 shows a plan view of FIG. 11;

FIG. 13 shows a side elevational view of a transport vehicle carrying one of the containers shown in FIGS. 1 to 3; and

FIG. 14 shows a rear elevational view of the vehicle and container shown in FIG. 13.

DESCRIPTION OF THE PREFERRED EMBODIMENT FIGS. 1 to 3 show a large volume generally cylindrical container which has a capacity of 64 cubic metres,

a length of 13 metres and a diameter of 2.5 metres. It

comprises a cylindrical steel shell with tightly connectable sections 4 and a rearward floor l. The container is stiffened by a plurality of metal bands 2 of U-shaped cross-section and is provided with two stronger metal bands 3 of U-shaped cross-section. These latter bands 3 serve as guide rails for the rotation of the container on loading and unloading as well as to guide the containers for rolling along suitably positioned rails. On the inside, the container is provided at its circumference with a helically shaped, radially projecting metal sheet, which forms a conveying helix 5. At the front end of the container, that is the right-hand end in FIG. 1, there is a hatchway provided with a generally frustro-conically shaped funnel 6 terminating in a flange 8. Around the inner circumference of the funnel 6, twelve strong metal blades 7 are distributed which project radially up to the funnel opening and are arranged to be staggered each by 15 against the longitudinal median plane. A metal band 9 of T-shaped cross-section facilitates rolling the container by means of a cable winch. The container is also provided with a detachable lid, which is not shown in FIGS. 1' to 3, but which is indicated by the reference numeral 16 in FIG. 12.

FIG. 4 illustrates the mode of operation of the arrangement on the filling of the container shown in FIGS. 1 to 3 with waste material. The container rests on two bearing pedestals of which one is indicated in FIG. 4 by the reference numeral 10. The container is supported on the pedestal units and these units are displaceable along a concrete mono-rail track 11. The container is so supported on roller means of the pedestal units as to be rotatable about its longitudinal axis. Waste material is discharged from a conventional dust cart into a filling funnel 12 arranged at one end of a discharge ramp for the dust carts. Contiguous with the funnel 12 is a generally cylindrical chute 13 which is open underneath. As shown in FIG. 4, the axis of the chute 13 is displaced upwardly relative to the longitudinal axis of the container. The upper half of the chute 13 is formed by a sloping surface 14 inclined at 45 to the longitudinal axis of the container. This part of the chute 13 extends into the funnel 6 of the container and forms a counter-pressure die in conjunction with the metal blades 7 thereof. The waste material discharged from the chute 13 enters the container below the counter-pressure die, is seized by the blades 7 which are rotated with the container. The waste material is entrained in the hollow space narrowing upwardly between the inner surface of the wall of the funnel 6 and the counter-pressure die formed by sloping surface 14. The waste material is thus comminuted and compressed and falls after being released by the blades 7 onto the sloping surface 14, from which it slides into the container. A plate 15 extends downwardly as shown in FIG. 4 and forms a closure member of the counterpressure die to prevent the direct ingress of the waste material into the container. The comminuted and precompressed rubbish is now seized by the conveying helix 5 and conveyed into the rear part of the container. In this, it experiences once again a compression and is reduced altogether to 0.4 of its'volume when tipped. When the container is full, it is driven back some distance and closed by a lid 16, which is provided with a seal and which, as shown by FIG. 12, is mechanically swivelled in from the side by means of a locally fixed lever 17. Tight closure of the container by means of the lid 16 facilitates partial evacuation of air from the filled container. Such partial evacuation interrupts the fermentation of certain waste materials during longer storage. Similarly,'a certain percentage of water present on filling the container with sewage sludge may be withdrawn so as to render the remaining contents of the container more readily combustible.

FIGS. 5 and 6 show two views, on different scales, of a filling station with containers positioned thereat. The filling station comprises the discharge ramp provided with the chute 13 and the counter-pressure die 14, as has been described with reference to FIG. 4. In the tilling station shown in FIGS. 5 and 6 the length of the mono-rail track 11 is double the length of a container. Two pairs of rails 18 extending perpendicularly from the mono-rail track 11 and provide transverse support means along which the containers may be rolled. A contiguous drive track or rail arrangement is provided for transport vehicles on which the containers are transported from filling stations to a discharge station. The bearing pedestals 10, which may be seen in FIGS.

4 and 6, serve simultaneously for rendering the container drivable on the mono-rail track and for the rotation of the container on filling and emptying, wherein the rotating device of the bearing pedestals is so constructed that the container can roll laterally off or onto the bearing pedestals. The construction of the two bearing pedestals at each station will now be described with reference to the one shown in FIG. 6. On a carrier 19, which is box-shaped in profile, there are mounted on both sides of the vertical plane of symmetry two cylinder shaped carrier rollers 20 and on lower outriggers two similar supporting rollers 21. At both ends of the carrier, there are two rollers which engage with one of the U-shaped rails 3 of the container. The roller 22 shown on the left in FIG. 6 is driven by a motor 23 and effects, by means of friction or in other manner, the rotation of the container. The right-hand roller 24 serves merely as a support roller and rests on a roller seating 25, which is so mounted in the carrier 19 as to be vertically slidable. The roller seating 25 is lowerable pneumatically by means of air cushions 26, or by hydraulic means (not shown), to render possible rolling displacement of the container onto the rails 18 or from these onto the bearing pedestals. On rolling of the container, its rails 3 run on the rails 18, which are arranged at the spacing of the rails 3 and at the same height as the bearing pedestals 10.

The discharge station, as shown in FIGS. 7 and 8, which is located at the rubbish incinerating plant, is similarly equipped as the filling station shown in FIGS. 5 and 6. In place of the discharge ramp co-operating with the chute 13, a rubbish bunker 27 is provided into which the containers are emptied directly, the rubbish being conveyed out of the container by the conveying helix by rotation of the container in a direction opposite to that which obtained on filling.

For the lateral transport of the container by rolling from the mono-rail track over the transverse rails 18 to the transport vehicle, and vice versa, cable winches 28 are provided at the stations and on the vehicles. FIGS. 9 and 10 show a cable winch arranged between two transverse rails. A cable 31, the free end of which is provided with a gripping claw 32, is clamped to an endless cable 30 running over two rollers 29. The gripping claw 32 comprises a scissor device 33 with two rollers 34 which are hooked onto a rail 9 disposed around the circumference of the container. As shown in FIG. 10, the rail is T-shaped in cross-section so that the rollers under cable tension engage behind the T-shaped rail. The cable 31 maintains its direction of pull by the gripping claw gliding on the T-shaped rail on the rolling off of the container, so that the container can be rolled off by pulling of the cable.

FIGS. 11 and 12 show a filling station and illustrate the mode of operation on exchange of the containers. A full container 35 is at first driven back so far from the filling funnel of the discharge ramp that the lid 16 can be put on by means of the swivel lever 17, when the sealing of the lid can be effected pneumatically. Then, the container is driven back to the end of the mono-rail and from there rolled, by means of a cable winch, into the position 36 indicated by broken lines, from where the transport vehicle takes it over. The now free bearing pedestals are advanced for the reception of an empty container which is already deposited on the forward transverse rails. This container 37 is rolled by means of the cable winch onto the bearing pedestals and, after removal of the lid, advanced to the filling funnel, where it lies ready until it is filled; To ensure that an empty container is always available for filling, for example because a transport vehicle does not arrive in time with an empty container, it is advantageous always to keep a reserve container in readiness. At the discharge station, an emptied container is exchanged in like manner against a full container brought by a vehicle. The movements of the container and the pedestals can be controllable from a central point.

FIGS. 13 and 14 show a lorry for the transport of the containers from the filling stations to the discharge station and vice versa. When there is a rail connection, the containers can also be conveyed by freight wagons of the railway. The containers may also be conveyed by barges. The height of the loading surface on the transport means agrees with the height of the transverse rails 18 as shown by FIG. 6. So that one can stably rest the container on the lorry as well as transport it to and fro and discharge it, the loading platform is provided with two roller devices identical with the bearing pedestals as well as with a cable winch. The rollers retain the container firmly in its U-shaped rails 3. The roller 22 is drivable by the motor 23, in order, for example, to be able to unload a container filled with rubbish slag directly from the vehicle onto a slag heap. The other roller 24 and the roller seating 25 is vertically mounted and pneumatically raisable and lowerable by means of the air cushions 26 in order to enable the container to be rolled onto and off the vehicle. The cable winch transports the container from the transverse rails 18 of a station onto the vehicle.

I claim:

1. An arrangement for the removal of waste material comprising, in combination:

a plurality of elongate cylindrical containers for the reception of waste material each provided with an opening in an end face thereof;

transport means to transport said containers;

a filling station provided with filling means to introduce waste material into respective ones of said containers through said opening, a mono-rail track extending from said filling means, pedestal support means to support said container and displaceable along said track to convey said container on said track in the direction of the longitudinal axis of said container, and rails extending transversely from said mono-rail track to rollingly transport said container; whereby said container is rollably displaceable from said transport means via said transverse rails to said pedestal support means, is displaceable on said pedestal support means along said mono-rail track towards said filling means to engage said opening therewith for filling said container, after being filled is displaceable along said mono-rail track away from said filling means to disengage said opening therefrom, and is rollably displaceable from said pedestal support means on to said transverse rail and thence on to said transport means; and v a discharge station to receive waste material discharged via said opening from a respective one of said containers transported thereto by said transport means.

2. An arrangement as defined in claim 1, wherein said opening in each said container comprises a conically shaped funnel disposed at one end thereof and diverging towards said container, wherein the inner circumferential wall of said funnel is provided with a plurality of inwardly projecting and obliquely orientated blades.

3. An arrangement as defined in claim 2, wherein the said filling means comprises a substantially cylindrical counter pressure die, which in the lower part is provided with an opening for the exit of the waste materials and in the upper part with a plate inclined with respect to the longitudinal axis of said container and which projects into said funnel of said container when said container is set in engagement with the filling means; whereby the waste materials enter through said opening into said funnel, are comminuted by cooperation of the cylindrical part of said counter pressure die with said blades of said funnel and conveyed to said inclined plate, when the container is rotated about its longitudinal axis, and fall from said plate into the front part of the container, from where the waste materials are compressed and conveyed by helically shaped conveyor blades provided in the interior of said container.

4. An arrangement as defined in claim 1, comprising a detachable lid member to sealingly close said opening in said container to the exclusion of air, when the container is displaced along the said mono-rail track to disengage said filling device.

5. An arrangement as defined in claim 1, wherein said pedestal support means is provided with first support rollers to support said pedestal support means on said mono-rail track and with further rollers for rotatably supporting said container, wherein said further I rollers are arranged on mutually opposite sides of said pedestal support means, said further rollers on the side of said pedestal support means next adjacent said transversely extending rails being provided with means for vertical displacement to enable said container to be rolled from said pedestal support means on to said rails and to enable said container to be rolled from said rails on to said pedestal support means.

6. An arrangement as defined in claim 5, wherein said pedestal support means is provided with elongate members extending transversely thereof to support said container during the rolling off and on to said pedestal support means, and wherein said transversely extending rails are arranged at substantially the same height as said elongate members.

7. An arrangement as defined in claim 5, wherein said container is provided with bands around the outer circumference thereof to contact said further rollers, and wherein said bands and said further rollers are provided with interengaging means for the guidance of said container during the rotation of said container about its longitudinal axis.

8. An arrangement as defined in claim 7, wherein said bands and said transversely extending rails are provided with interengaging means for the guidance of said container during its rolling motion along said transversely extending rails.

9. An arrangement as defined in claim 1, comprising a cable winch device, which extends in the direction of said transversely extending rails and which is provided with roller means to engage the outer circumference of said container to rollingly move said container from said transport means over said transversely extending rails onto said pedestal support means and vice versa.

10. An arrangement as defined in claim 1, wherein said transport means comprise a plurality of vehicles, each of which is provided with a platform at substantially the same height as the said transversely extending rails and with means for retaining at least one said container on said platform.

11. An arrangement for the removal of wastematerial comprising, in combination:

a plurality of elongate cylindrical containers for the reception waste material each provided with an opening in an end face thereof;

transport means to transport said containers;

a filling station provided with filling means to introduce waste material into respective ones of said containers through said opening; and

a discharge station provided with means to receive waste material discharged via said opening from a respective one of said containers transported thereto by said transport means, a mono-rail track extending from said receiving means, pedestal support means to support said container and displaceable along-said track to convey said container on said track in the direction of the longitudinal axis of said container, and rails extending transversely from said mono-rail track to rollingly transport said container; whereby, after being transported to said discharge station by said transport means, said container is rollably displaceable therefrom on to said transversely extending rails and thence on to said pedestal support means, is displaceable along said mono-rail track towards said receiving means for discharging waste material from said container, is displaceable along said mono-rail track away from said receiving means, is rollably displaceable from said pedestal support means on to said transversely extending rails and from thence on to said transport means for returning said container to said filling station.

12. An arrangement as defined in claim 11, wherein said opening in each said container comprises a conically shaped funnel disposed at one end thereof and diverging towards said container, wherein the inner circumferential wall of said funnel is provided with a plurality of inwardly projecting and obliquely orientated blades.

13. An arrangement as defined in claim 11, comprising a detachable lid member to sealingly close said opening in said container to the exclusion of air, when the container is displaced along the said mono-rail track to disengage said filling device.

l4.- An arrangement as defined in claim 11, wherein said pedestal support means is provided with first support rollers to support said pedestal support means on said mono-rail track and with further rollers for rotatably supporting said container, wherein said further rollers are arranged on mutually opposite sides of said pedestal support means, said further rollers on the side of said pedestal support means next adjacent said transversely extending rails being provided with means for vertical displacement to enable said container to be rolled from said pedestal support means on to said rails and to enable said container to be rolled from said rails on to said pedestal support means.

15. An arrangement as defined in claim 14, wherein said pedestal support means is provided with elongate members extending transversely thereof to support said container during the rolling off and on to said pedestal support means, and wherein said transversely extending rails are arranged at substantially the same height as said elongate members.

16. An arrangement as defined in claim 14, wherein said container is provided with bands around the outer circumference thereof to contact said further rollers, and wherein said bands and said further rollers are provided with interengaging means for the guidance of said container during the rotation of said container about its longitudinal axis.

17. An arrangement as defined in claim 16, wherein said bands and said transversely extending rails are provided with interengaging means for the guidance of said container during its rolling motion along said transversely extending rails.

18. An arrangement as defined in claim 11, comprising a cable winch device, which extends in the direction of said transversely extending rails and which is provided with roller means to engage the outer circumference of said container to rollingly move said container from said transport means over said transversely extending rails on to said pedestal support means and vice versa.

19. An arrangement as defined in claim 11, wherein said transport means comprise a plurality of vehicles, each of which is provided with a platform at substantially the same height as the said transversely extending rails and with means for retaining at least one said container on said platform.

Claims

1. An arrangement for the removal of waste material comprising, in combination: a plurality of elongate cylindrical containers for the reception of waste material each provided with an opening in an end face thereof; transport means to transport said containers; a filling station provided with filling means to introduce waste material into respective ones of said containers through said opening, a mono-rail track extending from said filling means, pedestal support means to support said container and displaceable along said track to convey said container on said track in the direction of the longitudinal axis of said container, and rails extending transversely from said mono-rail track to rollingly transport said container; whereby said container is rollably displaceable from said transport means via said transverse rails to said pedestal support means, is displaceable on said pedestal support means along said monorail track towards said filling means to engage said opening therewith for filling said container, after being filled is displaceable along said mono-rail track away from said filling means to disengage said opening therefrom, and is rollably displaceable from said pedestal support means on to said transverse rail and thence on to said transport means; and a discharge station to receive waste material discharged via said opening from a respective one of said containers transported thereto by said transport means.

3. An arrangement as defined in claim 2, wherein the said filling means comprises a substantially cylindrical counter pressure die, which in the lower part is provided with an opening for the exit of the waste materials and in the upper part with a plate inclined with respect to the longitudinal axis of said container and which projects into sAid funnel of said container when said container is set in engagement with the filling means; whereby the waste materials enter through said opening into said funnel, are comminuted by co-operation of the cylindrical part of said counter pressure die with said blades of said funnel and conveyed to said inclined plate, when the container is rotated about its longitudinal axis, and fall from said plate into the front part of the container, from where the waste materials are compressed and conveyed by helically shaped conveyor blades provided in the interior of said container.

5. An arrangement as defined in claim 1, wherein said pedestal support means is provided with first support rollers to support said pedestal support means on said mono-rail track and with further rollers for rotatably supporting said container, wherein said further rollers are arranged on mutually opposite sides of said pedestal support means, said further rollers on the side of said pedestal support means next adjacent said transversely extending rails being provided with means for vertical displacement to enable said container to be rolled from said pedestal support means on to said rails and to enable said container to be rolled from said rails on to said pedestal support means.

11. An arrangement for the removal of waste material comprising, in combination: a plurality of elongate cylindrical containers for the reception waste material each provided with an opening in an end face thereof; transport means to transport said containers; a filling station provided with filling means to introduce waste material into respective ones of said containers through said opening; and a discharge station provided with means to receive waste material discharged via said opening from a respective one of said containers transported thereto by said transport means, a mono-rail track extending from said receiving means, pedestal support means to support said container and displaceable along said track to convey said container on said track in the direction of the longitudinal axis of said container, and rails extending transversely from said mono-rail track to rOllingly transport said container; whereby, after being transported to said discharge station by said transport means, said container is rollably displaceable therefrom on to said transversely extending rails and thence on to said pedestal support means, is displaceable along said mono-rail track towards said receiving means for discharging waste material from said container, is displaceable along said mono-rail track away from said receiving means, is rollably displaceable from said pedestal support means on to said transversely extending rails and from thence on to said transport means for returning said container to said filling station.

14. An arrangement as defined in claim 11, wherein said pedestal support means is provided with first support rollers to support said pedestal support means on said mono-rail track and with further rollers for rotatably supporting said container, wherein said further rollers are arranged on mutually opposite sides of said pedestal support means, said further rollers on the side of said pedestal support means next adjacent said transversely extending rails being provided with means for vertical displacement to enable said container to be rolled from said pedestal support means on to said rails and to enable said container to be rolled from said rails on to said pedestal support means.