Disposal feeding system including selective container control
First Claim
1. In a system of the class described:
- a. conveyor means for moving a succession of open containers of disposable combustible material for burning by delivering same to a furnace,b. means for grasping said containers including a clamping assembly for clamping same,c. a selective means for pushing said container to force same into the furnace for disposal, said means for grasping also dumping said material from the containers and returning said containers to the conveyor means,d. a dumping support on which said container is positioned for movement into a furnace comprising a dumping grid device providing a level surface on which a container is supported and across which said container may be pushed,e. an actuator for said dumping grid,f. an airlock housing having an opening with first closure means leading to said means for grasping,g. a second closure means having an opening leading to said furnace or kiln, said airlock housing enclosing said means for grasping so that the first closure means may be opened for loading and then closed and said second closure means may be opened for disposal and then closed after removal of the container,h. a selector switch in a control panel,i. a sequence timer switch including means for setting the rate of delivery of successive containers for dumping,j. a solenoid control for controlling the movement of the dumping grid,k. electrically controlled, hydraulic control means for said first door,l. a limit switch contactable by said container to actuate said first door,m. hydraulically operated electrical control means for opening the second door and a limit switch operated by said container to actuate same,n. a limit switch contacted by said ram assembly when it clears the second door to actuate said limit switch to close said second door,o. there being another limit switch contacted by said second door when it is fully closed to cause said first entry door to open whereupon as soon as said door is opened and as soon as said ram rod is fully retracted, said grid is down and the sequence timer is energized for a new cycle.
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Accused Products
Abstract
A system including apparatus for automatically and continuously, or intermittently, feeding disposal material such as highly combustible waste plastic in containers such as 55 gallon steel drums or in packages such as 30 gallon sizes into a rotary kiln or any other appropriate receiver. Highly combustible or explosive materials must be placed carefully into a rotary kiln or other type of combustible disposal equipment because of the likelihood of explosion or blow back when the material reaches the heat. Such material contained in packages of 55 gallon steel drums or in bales or disposable cartons is delivered by conveyor to a grid for raising same and in clamping means which holds the reclaimable drum and tilts same through an openable closure into the furnace or incinerator, dumps the container and returns it to reclaimable position to be moved on out another conveyor system. The system comprises basically four components, some of which may be eliminated or substituted: (1) four roller conveyors (2) a dumping grid (3) a clamping assembly (4) a ram cylinder (5) a feeding grid (optional) (6) an airlock housing, together with suitable electrical and hydraulic control devices. The motor driven conveyors deliver either the drums or self-contained packages to the clamping assembly whereat by automatic operation of the electrical control system the drum or pack is either clamped and dumped or pushed into the furnace and if it is to be clamped and dumped and reclaimed the drum is delivered back down the conveyor system. The operator is at a remote point and may at any time overpower the system by electrical control and buttons to interrupt the process or otherwise control the outcome.
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Citations
12 Claims
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1. In a system of the class described:
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a. conveyor means for moving a succession of open containers of disposable combustible material for burning by delivering same to a furnace, b. means for grasping said containers including a clamping assembly for clamping same, c. a selective means for pushing said container to force same into the furnace for disposal, said means for grasping also dumping said material from the containers and returning said containers to the conveyor means, d. a dumping support on which said container is positioned for movement into a furnace comprising a dumping grid device providing a level surface on which a container is supported and across which said container may be pushed, e. an actuator for said dumping grid, f. an airlock housing having an opening with first closure means leading to said means for grasping, g. a second closure means having an opening leading to said furnace or kiln, said airlock housing enclosing said means for grasping so that the first closure means may be opened for loading and then closed and said second closure means may be opened for disposal and then closed after removal of the container, h. a selector switch in a control panel, i. a sequence timer switch including means for setting the rate of delivery of successive containers for dumping, j. a solenoid control for controlling the movement of the dumping grid, k. electrically controlled, hydraulic control means for said first door, l. a limit switch contactable by said container to actuate said first door, m. hydraulically operated electrical control means for opening the second door and a limit switch operated by said container to actuate same, n. a limit switch contacted by said ram assembly when it clears the second door to actuate said limit switch to close said second door, o. there being another limit switch contacted by said second door when it is fully closed to cause said first entry door to open whereupon as soon as said door is opened and as soon as said ram rod is fully retracted, said grid is down and the sequence timer is energized for a new cycle. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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2. In a system of the class described:
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a. conveyor means for moving a succession of open containers of disposable combustible material for burning by delivering same to a furnace, b. means for grasping said containers including a clamping assembly for clamping same, c. a selective means for pushing said container to force same into the furnace for disposal, said means for grasping also dumping said material from the containers and returning said containers to the conveyor means, d. a dumping support on which said container is positioned for movement into a furnace comprising a dumping grid device providing a level surface on which a container is supported and across which said container may be pushed, e. an actuator for said dumping grid, f. an airlock housing having an opening with first closure means leading to said means for grasping, g. a second closure means having an opening leading to said furnace or kiln, said airlock housing enclosing said means for grasping so that the first closure means may be opened for loading and then closed and said second closure means may be opened for disposal and then closed after removal of the container, h. a selector switch in a control panel, i. a sequence timer switch including means for setting the rate of delivery of successive containers for dumping, j. a solenoid control for controlling the movement of the dumping grid, k. electrically controlled, hydraulic control means for said first door, l. a limit switch contactable by said drum to actuate said first door, m. hydraulically operated electrical control means for opening the second door and a limit switch operated by said drum to actuate same, n. said dumping grid device comprising a plurality of side-by-side and spaced members to lift and support a container or package from said conveyor, o. said spaced members providing a level surface on which a container is supported and across which said container may be pushed by the means for disposing of same, p. a dumping grid jack for initially elevating same to level, q. there being a solenoid control for said dumping grid jack, r. solenoid control means for said first and second doors, s. a limit switch contacted by said drum to stop the conveyor means and to close the first door which raises the dumping grid jack by actuation of the solenoid to a horizontal position, t. electrical means actuated to cause the feeding grid to raise, said first door contacting a limit switch and energizing the solenoid to open the second door, u. switch means operated to actuate said ram cyclinder to push a drum, package or container across the dumping grid onto the feeding grid, v. interlock means operable by the operator if he observes that a drum is not salvagable to unclamp the drum inside the feeder housing and dump it into the kiln including interlock means provided on the dumping grid shaft so that said drum can only be unclamped inside the feeder housing. - View Dependent Claims (11, 12)
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Specification