Abstract: A method for growing plants includes both a seeder and a harvester both of which include arrangements for singulating the seeds and for measuring parameters of the seeds while singulated. This can be used for seeding selected seeds and for harvesting particular plants. The system operates by correlating information from the individual seeded seeds and from the harvested seeds in respect of a particular location on the growth medium and may include information relating the growth medium at the location. The location can be determined by seeding the plants in patterns which can be detected by a reader on the harvester. The system can be used to control selection of seeds to take into account soil conditions at the plant.

Abstract: The invention relates to a conveyor belt arrangement of a material processing device having a conveyor belt (20) and a receiving and adjustment mechanism for adjusting the conveyor belt between a transport position and a working position. To this end, the conveyor belt is mounted on bearing elements (40, 60), which are rotatably connected to receiving elements (30, 50) of the receiving and adjusting mechanism. According to the invention, the receiving elements are each coupled to a pivot bearing each having a pivot axis (30.1, 50.1) for the pivotable attachment to the material processing device, and at least one bearing element is connected to the conveyor belt in a linearly adjustable manner, and/or between the conveyor belt and the pivot bearing of at least one receiving element, a compensating mechanism is provided, by means of which a spacing change between the bearing elements can be compensated for.

Abstract: A mobile aggregate processing plant for screening aggregate material comprising a mobile chassis, a vibrating screening unit mounted on the mobile chassis and able to provide at least one aggregate discharge stream therethrough, and an underscreen conveyor located wholly or substantially beneath the vibrating screening unit to wholly or substantially receive said at least one aggregate discharge stream, wherein the underscreen conveyor is driveable in an uphill direction so as to be able to discharge the aggregate discharge stream at a height higher than receiving the aggregate discharge stream, relative to the mobile chassis.

Abstract: A towable conveyor for transporting and elevating articles and a method and system for towing a conveyor and conveying articles up inclines is provided. The conveyor system has an elevating carriage and a plurality of support elements for conveying articles up the conveyor. Specifically, the towable conveyor system comprises a conveyor having a support frame, a plurality of support elements, a drive end with a motor, and an idle end; an elevating carriage having a first end interconnected to the support frame of the conveyor, a second with two or more wheels, and a support member extending upwardly from the elevating carriage; a cable system for raising the conveyor into a position of use and for lowering the conveyor into a towing position; one or more locking mechanisms; and a hitch for connecting the conveyor to a rear end of a towing vehicle.

Abstract: A vibrating screen for screening particulate material fed into an inlet hopper of a conveyor features a screen comprising a first mesh portion locating openings therein that are sized for receiving individual particles of the particulate material therethrough. The vibrating screen includes a mounting assembly arranged for removably mounting to the inlet hopper that features a frame sized and shaped to be contained within the inlet hopper at a location above the conveyor so as to be supported thereabove by engagement with the side walls of the inlet hopper. The vibrating screen also features a suspension system resiliently supporting the screen on the mounting assembly such that the screen spans across at least a portion of an inlet opening at a top of the inlet hopper. A vibrating device supported on the screen is arranged for vibrating the screen relative to the inlet hopper of the conveyor.

Abstract: Implementations for measuring resource consumption in a cloud provider system are disclosed.

Abstract: A swing conveyor that is segmented. In one embodiment, the swing conveyor comprises an incline section that pivotally connects to an intake of a main conveyor, and includes a first belt. The swing conveyor further comprises an intake section that receives a flow of material via a second belt, and transfers the flow of material to the incline section. The first belt of the incline section transfers the flow of material received from the intake section to the intake of the main conveyor. The intake section connects to the incline section via a hinge mechanism so that the intake section pivots in relation to the incline section.

Abstract: A mobile variable angle vibrating screen with the ability to process aggregate material in a horizontal orientation and at incrementally higher angles of inclination where changes in angles of inclination can be affected without the need to dismantle the vibrating screen and without the use of hand tools. The variable angle screen being configured: to blend output at all of the various operating angles of inclination, be transportable with a detachable bolt on feeder module; have an overhead feed conveyor which operates at a substantially horizontal configuration and at various operating angles of inclination.

Abstract: The use of self-powered, autonomous vehicles in agricultural and other domestic applications is provided. The vehicles include a self-propelled drive system, tracks or wheels operatively connected to the drive system, a power supply operatively connected to the drive system, an attachment mechanism for attaching equipment to the vehicle, and an intelligent control operatively connected to the drive system, power supply, and attachment mechanism. The vehicle is configured to connect to the equipment to perform agricultural operations based upon the equipment. Multiple vehicles can be used in a field at the same time. Furthermore, the invention includes the ability to move one or more of the autonomous vehicles from field to field, home to field, or from generally any first location to a second location.

Abstract: A multi-deck screening assembly includes a plurality of vertically-stacked downwardly-sloping screen decks, each with grading apertures through which under-sized material may pass, while over-sized material passes over a lower discharge end of each screen deck. The screen decks are mounted on a common frame, which is mounted on a chassis and provided with vibration device. The screen decks include an upper deck, an intermediate deck below for receiving under-sized material from the upper deck, and a lower deck below the intermediate deck for receiving under-sized material from the intermediate screen deck. A first chassis-mounted stockpile conveyor receives over-sized material from the lower deck, a second chassis-mounted stockpile conveyor receives over-sized material from the intermediate deck, and a third stockpile conveyor receives over-sized material from the upper deck.

Abstract: A thermoplastic endless belt has a smooth outer surface substantially free of discontinuities and an inner surface with a plurality of teeth at a given belt pitch. The teeth are adapted to engage a pulley with circumferentially spaced sheaves at a pulley pitch greater than the belt pitch. The belt is slightly stretchable so that the pulley can drive the endless belt when engaging the teeth within a range of load on the belt. Means are provided to minimize friction between the belt and the drive pulley. Also, a position limiter ensures that the driven tooth stays engaged optimally with the drive sheave.

Abstract: A compact mobile variable angle vibrating screen with an overhead feed conveyor drive system configured to accommodate nesting into the feedbox of the vibrating screen by use of a 90-degree input shaft speed reducer; a V-belt drive and a drive shaft coupling the two and a motor mounted in front of and perpendicular to the head pulley of the feed conveyor, all arranged in a configuration to nest within a feed box of the vibrating screen and to minimize the need for offset feeding with the conveyor.

Abstract: A mobile screening apparatus includes a support chassis. The support chassis is configured for carrying at least one screening assembly having a top screen deck and at least one further screen deck below the top screen deck. At least at least one primary feed mechanism is configured for arrangement in communication with any one or more of the top and further screen decks to feed material to be screened onto said any one or more of the top and further screen decks.

Abstract: A cooler for particulate product includes a substantially enclosed housing. A first cooling screen is disposed in the housing and is configured to receive the product. The first cooling screen is configured to move the product along a surface by gravity when the first cooling screen vibrated. A duct is coupled to the first cooling screen to move cooling fluid through the first cooling screen. A second cooling screen is disposed in the housing below the first screen and is configured to receive the product after discharge from the first screen. The second screen is configured to move the particulate product along a surface when vibrated. A second duct is coupled to the second screen to move cooling fluid through the screen. A collector receives the particulate product after moving along a surface of the second screen. A vibrator is coupled to the housing and vibrates the housing.

Abstract: A method for separating a granular synthetic material from a loose mass of various synthetic materials includes: conveying the granular mass along a trajectory having a rubbing surface subjecting the mass falling from the rubbing surface to an electrical field; and collecting at least one of the masses separated by the electrical field. The mass advances in a single layer on the rubbing surface, while maintaining the single layer contact with the rubbing surface, the rubbing surface being subjected to repeated acceleration in opposite directions in the plane of the rubbing surface, or tangential thereto to move the mass on the surface in order to improve the electrostatic charge. The rubbing surface is made of or clad with a material having intermediate triboelectric properties with respect to those of the granular mass, and is clad with a same material as that which it is intended to separate from the mass.

Abstract: A material processing apparatus comprising: a base; a first material processing unit, for example a crusher; a feed conveyor; and a second material processing unit, for example a screening unit. The feed conveyor and the second material processing unit are both movable with respect to the first material processing unit and with respect to each other so that material can be fed into the first material processing unit directly from the feed conveyor, or indirectly from the feed conveyor via the second material processing unit. The second material processing unit can be stored beneath the feed conveyor when not in use.

Abstract: An apparatus for separating and sizing particulate matter, comprising a main frame, infeed conveyor, collection conveyor and a screening assembly including a frame, screen, and an underscreen conveyor mounted underneath the screen. In exemplary embodiments at least one crusher is included. The apparatus converts configuration from a transport mode to an operating mode. Material deposited onto the infeed conveyor is moved forward into the screening assembly. Material falling through the screen is deflected by a deflector onto a collection conveyor. Material passing over the screen drops into the crusher and crushed material drops onto the collection conveyor. Material on the collection conveyor is conveyed to a discharge location. The apparatus components are arranged such that material moves in a uni-directional flow through the apparatus without reversing direction. The apparatus may be mounted on a mobilizing assembly, such as one including endless tracks or wheels, for portability.

Abstract: A method and apparatus for supplying filtered slush molding powder or other granular material using a material feeder and angled sieve. The feeder includes a feeding member for moving the granular material, a feeder loading region, and a feeder unloading region. The sieve is positioned relative to the feeder unloading region so that it receives the granular material exiting the feeder. The sieve is positioned at an angle of inclination greater than zero degrees. An agitator that causes vibration of the sieve can be included to help sift the granular material through the angled sieve.

Abstract: A system and method to excavate and fill is disclosed. The system includes a canister adapted to receive and store excavated material. In addition, a plurality of blades are mounted inside of the canister about a horizontal shaft proximate a bottom end of the canister. A motor is adapted to rotate the plurality of blades to move the excavated material stored in the canister to the bottom end of the canister and a blower is adapted to blow the excavated material at the bottom end of the canister out of an opposing side of the canister through a discharge port. The canister includes a downward sloping lip disposed above the plurality of blades, where the downward sloping lip funnels the excavated material on to a downwardly rotating blade of the plurality of blades.

Abstract: A separator system for separating the solids debris from a slurry flowing over a spillway from a storage pit includes a horizontal conveyor horizontally disposed across a flowpath of the slurry below the spillway and including a channel defined by a pair of opposed side members extending upward from a bottom plate having a pattern of perforations formed therein. A plurality of spaced apart paddles oriented in a direction parallel to the channel are fixed to continuous conveyor drive running along the bottom of the trough. A conveyor has a pickup end disposed below the downstream end of the trough and is positioned to catch solid debris that has been carried along by the paddles and convey the solid debris out of the slurry stream.

Abstract: A device for supplying glue pellets to a machine includes a screen for segregating pellets according to size, a passageway for carrying into the machine pellets that do not pass through the screen, and a container for containing glue pellets at a higher elevation than an elevation of the screen, and directing away from the machine pellets that pass through the screen.

Abstract: One aspect provides a distribution auger. The distribution auger comprises a fill hopper, a flighting, and an outer covering surrounding the flighting. The fill hopper is located at a first end of the distribution auger and the outer covering includes a plurality of openings located on a bottom side such that, when the distribution auger is horizontally configured, solid matter introduced to the fill hopper located at the first end of the distribution auger falls through the plurality of holes when propelled by the flighting.

Abstract: The present invention relates to waste screening apparatus and methods, particularly but not exclusively for screening waste material streams for recycling and the like. It also relates to an apparatus for separating portions or fractions of a waste material stream, generally to facilitate recycling of one or more of said fractions, and a method therefor; and to combinations of same.

Abstract: A rake conveyor comprises a horizontal movable part and a rotating-swinging part and/or an inclined part. A screen is located above part of the rake conveyor. The rotating-swinging part and/or the inclined part of the rake conveyor is followed by a first bucket conveyor or the a part of the dual bucket conveyor, which lifts the used loose material into equipment for sorting of loose material. At least one of the outputs of equipment for sorting of loose materials is followed by a second bucket conveyor or by a second part of the dual bucket conveyor. The outlet of the second bucket conveyor or the second outlet of the dual bucket conveyor leads to a silo, which is additionally equipped with an outlet mouth, leading into a container. Once used abrasive material has accumulated, the excess abrasive material is taken out of the container above the rack conveyor.

Abstract: A cart is towed behind a combine harvester for collecting corn cobs and includes a conveyer belt feeding into a system for separating cobs from residue to be discharged and a tank for receiving and transporting the cobs. An unload auger is provided from the tank to one side of the cart while the cart moves forward. Power for driving the cart is obtained from a chopper drive of the combine harvester. The separating arrangement includes a series of sequential blower fans for blowing air through the discharged material as it is discharged from a conveyor and into a spreading guide disperses the residue. The cobs are conveyed using a series of augers where the auger to flight distance is at least 2 inches and particularly a pair of augers feed the cobs through a front wall of the tank so as to push cobs upwardly into the tank.

Abstract: A screening apparatus for processing excavated material from a ditch into fines and roughs is disclosed. The screening apparatus includes an inclined lift conveyor for moving the excavated material upward and depositing the excavated material onto a convex vibrating screen surface. A transfer conveyor having an arcuate belt path as disposed below the separator for introducing the fines to the excavation. The separator includes a reversible motor for providing a first vibration and a second vibration to the separator.

Abstract: A method and apparatus for separating multiple food pieces and removing clumps from food pieces in order to process individual pieces for subsequent packaging includes a vibrating conveyor bed which receives a substantially continuous supply of a dried product, such as RTE cereal or another snack product, and delivers the dried product to a screen unit including a plurality of spaced slots through which only individual food pieces can pass for further processing. Prior to the screen unit, the bed can be provided with an upstanding deflector member which diverts the traveling food product away from a discharge chute and onto the screen unit. In any case, the screen unit includes an upwardly angling portion, extending away from the discharge chute, for retaining product which needs to be further processed, while the discharge chute also has an associated, raised lip for product retention purposes.

Abstract: In a system to separate shredded vegetable pieces, a slicer cuts a vegetable having leaves and a core into pieces to form a mixture of leaf and core pieces. The mixture then passes through a sorting mechanism that separates the core pieces from the mixture.

Abstract: A screening apparatus for processing excavated material from a ditch into fines and roughs is disclosed. The screening apparatus includes an inclined lift conveyor for moving the excavated material upward and depositing the excavated material onto a convex vibrating screen surface. A transfer conveyor having an arcuate belt path as disposed below the separator for introducing the fines to the excavation. The separator includes a reversible motor for providing a first vibration and a second vibration to the separator.

Abstract: A cooler for particulate product includes a substantially enclosed housing. A first cooling screen is disposed in the housing and is configured to receive the product. The first cooling screen is configured to move the product along a surface by gravity when the first cooling screen vibrated. A duct is coupled to the first cooling screen to move cooling fluid through the first cooling screen. A second cooling screen is disposed in the housing below the first screen and is configured to receive the product after discharge from the first screen. The second screen is configured to move the particulate product along a surface when vibrated. A second duct is coupled to the second screen to move cooling fluid through the screen. A collector receives the particulate product after moving along a surface of the second screen. A vibrator is coupled to the housing and vibrates the housing.

Abstract: A portable screening trommel having a chassis, at least one wheel assembly at a rear portion of the chassis, a hopper for receiving a material, a rotary trommel being chain driven at a discharge end and which receives the material from a feed conveyor beneath the hopper, a first product conveyor extending from a rearward end of the chassis to a forward end and feeding a rotatable stacking conveyor, and a second product conveyor receiving material from within the trommel and being rotatable between an operating position and a traveling position. The stacking conveyor is positioned at the forward end of the chassis and is rotatable between a first operating position and a second traveling position.

Abstract: An asphalt recycling plant is described that is oriented vertically with an elevator to convey ground-up road material to a top of the plant. The material moves does the plant by force of gravity through a sifter, sorter, crusher and return facility such that the dust and debris of the recycling process is substantially contained within the facility.

Abstract: Mobile metal scrap recovery apparatuses and methods of operating them to remove scrap metal from scrap metal-contaminated soil are disclosed. In a preferred embodiment, a mobile metal scrap recovery apparatus comprises first and second wheeled components, each of which is road transportable. The first wheeled component comprises a unit for screening the metal scrap-contaminated soil into at least a coarser fraction and a finer fraction. The second wheeled component comprises a magnet separator, an eddy current separator, and a manual picking station. Methods for conducting the business of scrap metal recovery are also disclosed. Such business methods involve the use of a mobile metal scrap recovery apparatus to remove scrap metal from scrap metal-contaminated soil.

Abstract: A vehicle for separating a mixed debris stream is disclosed. The vehicle includes an elongate vehicle frame; a separating assembly mounted on the vehicle frame and configured to contact the mixed debris stream with a fluid stream to separate the mixed debris stream into at least a first debris stream and a second debris stream, wherein the second debris stream includes at least some material of a higher density than material from the first debris stream, and at least one of the first debris stream and the second debris stream includes fluid from the fluid stream; a first conveyor; and a second conveyor, wherein at least one of the first conveyor and the second conveyor includes a non-mesh conveyor belt configured to drain at least some fluid from at least one of the first debris stream and the second debris stream.

Abstract: A portable screening trommel having a chassis, at least one wheel assembly at a rear portion of the chassis, a hopper for receiving a material, a rotary trommel being chain driven at a discharge end and which receives the material from a feed conveyor beneath the hopper, a first product conveyor extending from a rearward end of the chassis to a forward end and feeding a rotatable stacking conveyor, and a second product conveyor receiving material from within the trommel and being rotatable between an operating position and a traveling position. The stacking conveyor is positioned at the forward end of the chassis and is rotatable between a first operating position and a second traveling position.

Abstract: An aggregate storing and classifying mechanism for production of asphalt in plants, comprising a body (2) having plurality of circular sections (6) arranged in a manner of substantially surrounding the body (2) for storing aggregate material comprising different gradation levels plurality of foot means (1) holding said body (2); corridor means (7) and channel means (15) arranged tree branch-like manner in the body (2) for distributing and storing the aggregate in the body (2) as homogenously; plurality of discharge mouths (4) and discharge covers (8) for discharging the aggregate material from the body (2) and feeding the aggregate material to conveyors placed under the body (2) through plurality of discharging axis.

Abstract: An apparatus for providing free wire reclamation from a granulated stream of mixed metallic and nonmetallic material comprises a vibratory conveyor having a trough assembly mounted on a suspension system and coupled to a motor for causing the suspension system to vibrate. The trough assembly includes upper and lower vibrating troughs extending parallel to one another, the upper trough including at least one gap of a predetermined width. Each trough is arranged so as to feed a different output collection point, and at least one declumping zone comprising at least one perforated deck is situated in-line with the upper and lower troughs. A magnetic separator is arranged above the gap in the upper trough so as to pick up free metal. Rubber granules fall through the gap and are deposited in a receptacle, while metal is deposited on the upper trough which feeds a separate receptacle.

Abstract: A hydraulic ram assembly adapted to move parts of a conveyor between a number of pre-defined positions. In one embodiment of the invention, the hydraulic ram assembly consists of a single hydraulic ram, pivotally coupled at one end to the chassis of a trommel, and pivotally coupled at the other end to at least one of a number of mechanical linkages. The mechanical linkages are configured to link the hydraulic ram and at least two parts of a trommel conveyor. At least one mechanical linkage is lockable and unlockable such that in operation, the hydraulic ram can move the parts of the trommel conveyor between (a) a first, lowered, extended, operational position; (b) a second, raised, extended, operational position; and (c) a third, folded, retracted position, suitable for transportation.

Abstract: A mobile screening unit for screening bulk material. The screening unit comprises a first screener, a second screener, and an elongated mobile support frame having a longitudinal axis. The first screener is mounted to the support frame and extends longitudinally thereon. The first screener has an inlet for receiving the bulk material containing large-sized, medium-sized, and small-sized particles. The first screener also has a first outlet for releasing large-sized particles and a second outlet for releasing medium-sized and small-sized particles. The first screener is used for screening the bulk material along a first direction substantially parallel to the longitudinal axis of the support frame. The second screener is mounted to the support frame and extends longitudinally thereon.

Abstract: A bulk material processing apparatus having a longitudinally extending main frame and a supply conveyor mounted on, and extending length wise of the main frame to convey a supply of bulk material from a forward lower end of the conveyor to an upper and rearward discharge end. A material processing device is mounted on the main frame and arranged to receive material from the discharge end of the supply conveyor, to process the material, and to discharge processed material. A discharge conveyor is mounted on the main frame below the processing device to receive processed material discharged by the processing device and to discharge the material to a discharge point located rearwardly of the apparatus. The processing device is moveable between a raised operating position and a lowered transport position. Likewise, the discharge conveyor is moveable between a raised operative position and a lowered inoperative position.

Abstract: A mobile screening machine with a frame on tracks, having a hopper and a main conveyor mounted to a frame. The main conveyor conveys particulate matter from the hopper to a screening device positioned beneath the upper end of the main conveyor. The particulate is screened into three grades of coarseness, with the coarsest falling into a chute, the middle coarseness falling onto one lateral conveyor and the finest falling onto an underscreen conveyor, which preferably is driven downhill onto another lateral conveyor. The tracks permit the machine to be driven around the work site and onto and off of a trailer, and the entire machine can be remotely controlled. The downhill conveyor permits loading of the hopper from both sides of the frame.

Abstract: A method for providing an alternative periodic cover material for landfills by separating materials in a salvage operation. A non-sorted material stream including metallic and non-metallic components, which preferably includes automobile scrap, is fed to a shredder. After shredding, the non-sorted material stream is separated. The non-sorted material stream is first separated into two streams, namely, a heavy material stream and a light material stream. The heavy material stream is conveyed to a magnetic separator where ferrous metals are separated from non-ferrous materials. The light material stream is passed under a cross belt magnetic separator where the light ferrous metals are separated. The remaining light material stream is conveyed to a rotary trommel which separates the light material stream into two fractions based on size, with the fine material becoming relatively inert through processing and being used as a cover material for landfills.

Abstract: A feed system for a cellulose pulp treating vessel (such as a continuous digester) is not limited by the required L/W ratio of the pump feeding a wood chip slurry to a high pressure transfer device, the feed system may be kept at a low temperature to minimize flashing of liquid into steam, and a return conduit from the treatment vessel to the transfer device high pressure inlet may be eliminated. Some of the liquid is removed from the slurry just before the low pressure inlet to the transfer device, and/or just after the high pressure outlet, to reduce the L/W ratio of the slurry by at least 0.25, e.g. from 3.0:1 to 2.25:1 just before the low pressure inlet, and from, 7.0:1 to 5.0:1 substantially immediately after the high pressure outlet.

Abstract: A method for recovering a fuel substance by separating materials in a salvage operation based on BTU content is provided. A non-sorted material stream including metallic and non-metallic components, which preferably includes automobile scrap, is fed to a shredder which shreds or fragments the materials. After shredding, the non-sorted material stream is separated by a series of separators. The non-sorted material stream is first conveyed to a gravity separator where the materials are separated into two streams, namely, a heavy material stream and a light material stream. The heavy material stream is then conveyed to a magnetic separator where ferrous metals are separated from a number of non-ferrous materials. The heavy ferrous metals are collected for recycling whereas the heavy non-ferrous materials are conveyed to a screen and further separated into non-ferrous metal and non-metallic material.

Abstract: A mobile material handling apparatus (10) having a frame (11), an input arrangement (13) for receiving a bulk supply of raw material to be handled, a screen box (16) or other material processing device, a conveyor (17) to transfer the material from the input arrangement (13) to the material processing device (16), one or more discharge conveyors (14, 15) to discharge the processed material, and a wheel set (12) supporting the frame (11) to render the apparatus mobile e.g. to be transported along the public highway via a fifth wheel coupling or low loader. In order to provide the apparatus with a capability of being manoeuvred on site, a set of endless tracks (20) is mounted on the apparatus frame (11) and is adjustable between an inoperative condition out of contact with the ground, and an operative ground-engaging position when it is required to manoeuvre the apparatus on site.

Abstract: A combination of a tractor unit (10) and a wheeled trailer combination, preferably a mobile screening plant (100), in which the tractor unit (10) has endless tracks (11) to render the combination highly maneuverable, and carries an upwardly and downwardly adjustable “fifth wheel coupling” (13) which pivotally connects the forward end (115) of the screening plant (100), the latter having a wheelset (118) at its rear end, and in which the screening plant (100) has an input hopper (114), an elevator (112) for conveying material to be screened from the hopper to a screen box (117), and one or more discharge conveyors (121, 123) for discharging screened material to form one or more stockpiles of screened material.

Abstract: Dense, tramp material, is efficiently separated in a comminuted cellulosic fibrous material feed system, for example in a chemical cellulose digester feed system, in a simple but effective matter. By merely utilizing a generally vertical conduit and a slurry flow within it (which may be augmented by high speed liquid introduction), that is caused to turn in a radiused path, centrifugal force allows separation of the tramp material into a cavity beneath the radius transition without requiring any mechanical element to engage the slurry. Appropriate purges, baffles, and discharge mechanisms may be provided. Alternatively, a tramp material separator may be built into an otherwise conventional metering screw in a digester feed system, or one or more centrifugal separators can be provided downstream of the slurry pump in a chip slurry transport system or digester feed system.

Abstract: Dense, tramp material, is efficiently separated in a comminuted cellulosic fibrous material feed system, for example in a chemical cellulose digester feed system, in a simple but effective matter. By merely utilizing a generally vertical conduit and a slurry flow within it (which may be augmented by high speed liquid introduction), that is caused to turn in a radiused path, centrifugal force allows separation of the tramp material into a cavity beneath the radius transition without requiring any mechanical element to engage the slurry. Appropriate purges, baffles, and discharge mechanisms may be provided. Alternatively, a tramp material separator may be built into an otherwise conventional metering screw in a digester feed system, or one or more centrifugal separators can be provided downstream of the slurry pump in a chip slurry transport system or digester feed system.

Abstract: A self-propelled material-processing apparatus (10) comprises a chassis (12), an engine (13) mounted on the chassis near the forward end thereof, and endless tracks (14) permanently supporting the chassis (12) and power-operated by the engine (13). A supply conveyor (18) has a material-receiving end (15) which projects forwardly of the forward end of the chassis (12) and an opposing upper discharge end (21). A material processing device (11), e.g., a screen box, is mounted directly or indirectly on the chassis (12) generally above the rear end of the chassis (12). The material processing device is arranged to receive material from the discharge end (21) and is configured for movement between an operative position and a transport position. The weight of the apparatus, when in the operative position, is generally balanced by the engine (13) and forward end (15) of the conveyor (18) at the forward end of the chassis and the screen (11) and discharge conveyor (121) at the rear of the chassis.

Abstract: A portable trommel has a chassis, including support wheels at one end thereof for movement of the trommel. A trommel is rotatably mounted on the chassis and has an input and an output end. A hopper and an input conveyor, for supplying material to be screened to the input end of the trommel, are mounted on the chassis adjacent the input end of the trommel. An output or fines conveyor, for collecting material passing through the trommel screen, is mounted on the chassis, below the trommel. A stockpiling conveyor is mounted on the chassis and has a lower end adapted to receive screened material from the fines conveyor and an upper end for discharging screened material to form a stockpile. The stockpiling conveyor can be in two parts, which can be folded into a retracted position for storage and transportation, and further can be mounted for rotation about a vertical axis to enable an arcuate storage pile to be formed.