A system for comminuting solid waste material including a casing defining a comminution chamber having two side walls and adapted for connection in a solid waste disposal channel. The system includes a first shredding device and a second shredding device disposed along a line extending perpendicular to a flow direction in the channel to faun a pair of interactive shredding members. A rotating screening drum disposed within the casing upstream of the first and second shredding devices and positioned between the first and second shredding devices, the rotating screening drum configured to permit fluid to pass therethrough and to move solids toward one of the shredding devices. The rotating screening drum is configured to rotate clockwise and counter clockwise to alternately distribute solids captured thereon to one of the first and second shredding devices.

An automatic paper shredder with a staple removing structure and a staple removing method using the same. The automatic paper shredder includes a shredder cover, a paper holding box, a shell, a paper holding plate, a paper inlet, a paper shredding component, a drive motor, a paper pick-up component, a paper pressing plate, a straight through-hole, a waste paper bin and a staple removing component. The automatic paper shredder removes a staple (or clip) on a stack of paper through cooperation with a paper shredding structure. Paper can be automatically picked up in batches. Meanwhile, damage caused by staples to the whole shredder is prevented, and thus, the whole shredder is protected in use and has a longer service life.

A method of processing coir, comprising using counter-rotating blades to shred compressed coir into dry, shredded coir.

A comminution apparatus, a method for replacing wear parts of such an apparatus and a cutting table unit for use in such an apparatus are disclosed. The apparatus comprises a cutting module, a drive module and a top module. The main wear parts are present in the cutting module, which may be replaced, in its entirety or in part, without disconnecting the drive module from the apparatus or from an external power source.

A conveying screw for a food waste disposal device that can stir, crush and cut food waste generated from homes or restaurants, while transferring the food waste, to reduce the amount of the food waste, includes a rotational shaft, and a plurality of spiral rotor blades installed to an outer peripheral surface of the rotational shaft in a spiral pattern to stir, crush and cut food waste. Each of the rotor blades is provided with a plurality of air supply holes penetrating the rotor blade to supply external air to the food waste between the opposite rotor blades, thereby generating bubbles from the food waste and then discharging vapor.

A method for processing coir comprising processing dry coir by shredding, hydrating the coir up to a specified moisture content, and pelletizing the coir. An apparatus for pelletizing coir comprising a metal disk having flat, cylindrical openings. A soil additive composition comprising coir, seed, basalt, root stimulant, lime, worm castings, fish meal, molasses, and polymer.

Provided is a hair cutting assembly. The hair cutting assembly includes at least one first shearing wheel, first transmission shaft that drives the first shearing wheel to rotate, at least one second shearing wheel and second transmission shaft that drives the second shearing wheel to rotate. Opposite end surfaces of each first shearing wheel and the corresponding second shearing wheel are attached to each other. The first cutting blades, formed by intersecting end surface of the first shearing wheel with side wall, and the second cutting blades, formed by intersecting end surface of the second shearing wheel with side wall, oppositely move in a feed direction, such that long and thin linear sundries such as hairs and fabrics can be continuously shorn. A floor drain with the hair cutting assembly is also provided.

A waste destruction device for sharps, needles and solid waste preferably includes a material intake member, a destruction device and a storage member. The material intake member includes an intake housing and an intake cover. The intake cover pivots from an open to a closed orientation to receive objects to be shredded. At least one microprocessor board is used to control devices of the waste destruction device. The waste destruction device preferably includes a cutter housing, a first cutter member, a second cutter member, a cutter motor and a cutter intake housing. The waste destruction device preferably contains disinfection devices for disinfecting thereof. The storage member preferably includes a storage housing, a container drawer and a waste container. The container drawer is slidably received by the storage housing.

A waste disposer comprising a primary dehydrating chamber, a grinding device, a secondary dehydrating chamber, and a storage chamber. The primary dehydrating chamber is adapted to allow waste to be heated therein to partly dehydrate the waste. The primary dehydrating chamber has: a first waste inlet for receiving the waste, a first vapor outlet for exhausting vapor from the waste, a drainage outlet for draining free liquid from the waste, and a first waste outlet for outputting the partly dehydrated waste. The grinding device is adapted to receive the waste from the first waste outlet and grind the waste to reduce the size thereof. The secondary dehydrating chamber is adapted to allow the ground waste to be heated therein to further dehydrate the waste. The secondary dehydrating chamber has a second waste inlet for receiving the ground waste, a second vapor outlet for exhausting vapor from the waste, and a second waste outlet for outputting the further dehydrated waste. The storage chamber is adapted to receive the waste from the second waste outlet and store the waste in the storage chamber.

A waste management system, primarily intended to be for waste floating in water, though it can also be used on land. A shredding device will reduce the size of the particles of waste. Ocean water is removed by a drying device. The dried waste material is cryogenically frozen using liquid nitrogen or other suitable means. The frozen waste material is then pulverized and ground into a powder. The powder may then be sprayed into a gas-filled chamber and heated. Temperature, pressure and humidity are maintained within the chamber for more than one minute. Microwave or other radiation and catalysts may be used to enhance the process of extraction. The processed material is then removed from the chamber. Carbon and water may be recycled. The carbon may be used as fuel by the ship. Water may also be used by the ship or returned to the ocean in a non-toxic condition.