Rotopress

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The Rotopress is a waste collection vehicle manufactured by the German company Faun Umwelttechnik and formerly by KUKA. It uses a rotating drum to compact waste, and has its origin in a series of designs built by KUKA since the 1920s. The name "Rotopress" was first used in 1977, and has been used on subsequent models by the company, and by other companies under licence.

KUKA is a German manufacturer of industrial robots and solutions for factory automation. It is owned by the Chinese company Midea Group..

Contents

Description

The Rotopress is a continuously compacting garbage truck. A massive rotating drum compacts and stores the garbage. [1] The outer edge of the drum acts as the loading hopper, and paddles on the drum convey the waste around an auger of decreasing pitch until it is small enough to be forced through a small ring-shaped gap between the drum and the auger, where it then enters the main section of the drum, which has helically shaped internal paddles which move the now-crushed waste towards the front of the vehicle.[ citation needed ] When emptying the drum, the direction of rotation is reversed. [1]

Screw conveyor

A screw conveyor or auger conveyor is a mechanism that uses a rotating helical screw blade, called a "flighting", usually within a tube, to move liquid or granular materials. They are used in many bulk handling industries. Screw conveyors in modern industry are often used horizontally or at a slight incline as an efficient way to move semi-solid materials, including food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat and bone meal, municipal solid waste, and many others. The first type of screw conveyor was the Archimedes' screw, used since ancient times to pump irrigation water.

History

The German company Keller und Knappich, Augsburg (KUKA), founded in 1898, built its first rotary waste collection vehicle in 1927. [2] Production of the original model continued until 1949, and its replacement, the Type 210, was launched the following year. Subsequent models included the "Shark", introduced to the United States in the 1960s [3] and so-named due to the serrated loading auger which was designed to tear up garbage sacks and other large soft items as they were dragged into the drum.[ citation needed ] The first model to carry the "Rotopress" name was the Type 215G, in 1977, and the name has been the company's subsequent rotary-drum designs including the 205. [4]

Both the Shark and the Rotopress have been produced under licence by other manufacturers, including the British company, Laird Anglesey Ltd, based in Anglesey. [1]

Anglesey Island in Wales

Anglesey is an island off the north-west coast of Wales forming the mainland of a principal area and historic county of the same name, which includes Holy Island to the west and some islets and skerries. Anglesey island, with an area of 260 square miles (673 km2), is by far the largest island in Wales, seventh largest in the British Isles, largest by area in the Irish Sea and second most populous after the Isle of Man. The local government area of Isle of Anglesey County Council measures 276 square miles (715 km2), with a population at the 2011 census of 69,751, of whom 13,659 live on Holy Island. The Menai Strait between Anglesey and mainland Wales is spanned by the Menai Suspension Bridge, designed by Thomas Telford in 1826, and by the Britannia Bridge, built in 1850 and replaced in 1980. The largest town is Holyhead on Holy Island, where the port handles over 2 million passengers a year to the Republic of Ireland. The next largest town is Llangefni, seat of the county council. From 1974 to 1996 Anglesey was administered as part of Gwynedd. Most of Anglesey's inhabitants are Welsh speakers. Ynys Môn, the Welsh name for the island, is used for the UK Parliament and National Assembly constituencies. The island is in the LL postcode area (LL58–LL78).

In 1983 KUKA's municipal vehicles division was acquired by Faun GmbH and production was moved to Osterholz. Manufacturing of waste collection vehicles became part of Faun's Environmental Technology sector, which was sold in 1987 to the Schmidt family (former owners of Faun) as a separate company with the name Faun Umwelttechnik. This was acquired by the Kirchhoff group in 1994. Laird Anglesey was acquired by Faun Eurotec, a subsidiary of Faun Umwelttechnik, in 1996. [5]

Osterholz is a district (Landkreis) in Lower Saxony, Germany. It is bounded by the districts of Wesermarsch, Cuxhaven, Rotenburg and Verden, and by the city of Bremen.

By 1999, over 33,500 Rotopress bodies had been built. [1] One of the key market niches which the Rotopress is aimed at is the collection of Green waste, as the action of the rotary drum system accelerates the homogenization of biodegradable material for composting.

A niche market is the subset of the market on which a specific product is focused. The market niche defines the product features aimed at satisfying specific market needs, as well as the price range, production quality and the demographics that it is intended to target. It is also a small market segment.

Green waste, also known as "biological waste," is any organic waste that can be composted. It is most usually composed of refuse from gardens such as grass clippings or leaves, and domestic or industrial kitchen wastes. Green waste does not include things such dried leaves, pine straw, or hay. Such materials are rich in carbon and considered "brown wastes," while green wastes contain high in concentrations of nitrogen. Green waste can be used to increase the efficiency of many composting operations and can be added to soil to sustain local nutrient cycling.

Compost organic matter that has been decomposed

Compost is organic matter that has been decomposed in a process called composting. This process recycles various organic materials otherwise regarded as waste products and produces a soil conditioner.

Products

As of 2011, the Rotopress is produced a range of sizes from smallest to largest: 008, 514, 516, 518, 520 and 522, as well as the Rotopress Dualpower hybrid vehicle, and the Rotopress 541 which is produced as either a stationary intermediate waste store or a semi-trailer. [6]

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References

  1. 1 2 3 4 Woods, Barrie C. (1999). Municipal refuse collection vehicles. Trans Pennine Publishing. p. 38. ISBN   978-0-9521070-4-0 . Retrieved 2011-09-04.
  2. Ferro, Michel (2006). "Classic Refuse Trucks: KUKA" . Retrieved 2011-09-04.
  3. Voytko, Eric (2009). "Rotary Refuse Bodies (Continued)" . Retrieved 2011-09-04.
  4. Ferro, Michel (2006). "Classic Refuse Trucks: KUKA: Type 215G "Groblagerung" and "Rotopress"" . Retrieved 2011-09-04.
  5. "164 years FAUN: The story of FAUN in detail" (PDF). Faun Umwelttechnik. Archived from the original (PDF) on 2012-03-28. Retrieved 2011-09-04.
  6. "Faun Umwelttechnik: Rotopress". Faun Umwelttechnik. Retrieved 2011-09-04.