• Title/Summary/Keyword: 트롬멜

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Development and Performance Evaluation of Single Process Separating and Sorting Pilot for Mixed Construction Waste (혼합건설폐기물의 단일 공정 분리·선별 장치 개발 및 성능평가)

  • Song, Tae-Hyeob;Park, Ji-Sun
    • Journal of the Korean Recycled Construction Resources Institute
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    • v.4 no.4
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    • pp.371-378
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    • 2016
  • In this study, a small portable sorting pilot for separation that can be used in dismantling construction site, which is the stage of construction waste generation, was developed, and its separation efficiency was evaluated to increase the actual recycling rate of the construction waste. The pilot was developed as portable sorting pilot for separation of 6 ton capacity that can handle one arm roll box within a $15m^2$ area in consideration of narrow places in the downtown area where a number of dismantling sites are located and various processes performed in the dismantling sites. In order to evaluate the efficiency performance of the developed device, the separation and sorting were carried out ten times with respect to trommel rotational speed RPM 2-3, 4-6 and 7-8. According to the results, the highest efficiency of about 90% was shown at RPM 6-7.

A Landfill Mining Technology by Trommel Screen System (트롬멜 스크린 시스템을 이용한 Landfill Mining기술)

  • Choe, Gap-Seok;Choe, Dong-Sun;Na, Gyeong-Deok;Lee, Byeong-Seon
    • 연구논문집
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    • s.34
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    • pp.1-10
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    • 2004
  • Landfill Mining is becoming more widely used in many closed landfill sites in the world. Many of existing landfills will be excavated inevitably owing to building the clean environment with the new structures and developing the cities in cramped country. This paper aimed at the introducing the design technology of the trommel screen and its in-site applied performance of the trommel screen system through experiments , which system is under developing by one of the national project and the analysis results of influencing factors to the environment . The result of the theoretical estimation agrees well with the experimental data, so that the sorting system could be able to be applied with the requirements of the purpose of end-items. As a result of the analysis, any hazardous materials including heavy metals met the limitions of the criteria in this experiment. In geotechnical enngineering, it will. desireable to use the sorted soils mixing with another soils in accordance with the requirements of the usages.

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Fabrication of Movable Separator for Site to Discharge Medium and Large-Scale Mixed Construction Waste from Agricultural Areas and Its Efficiency Evaluation (농촌지역 혼합건설폐기물의 중·소규모 배출현장용 이동식 분리선별기 제작 및 선별 효율 성능평가)

  • Kim, Byung-Yun;Park, Ji-Sun
    • Journal of the Korean Institute of Rural Architecture
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    • v.23 no.1
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    • pp.1-8
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    • 2021
  • In this study, a real-sized experimental equipment (pilot plant) was built at the site based on the preliminary research data to develop a movable separator for the mixed construction waste that can be implemented in agricultural areas to review its feasibility through the evaluation of its separation efficiency by waste types. The final construction of the movable separator and experimental results of the separation efficiency are summarized as follows. 1) The separation performance according to the blade type was the best for the combustible wastes either with 26 numbers of L-type blades and 32 numbers of pin type blades. As far as combination of blade types, when the L-type and pin-type were combined, the best separation efficiency was achieved. 2) The separation efficiency for waste wood by the conveyor type and angle of inclination (slope) of the trommel was the best when the conveyor had ribs of seagull shape with the angle of inclination 45°. 3) The separation efficiencies by process showed that 65.9% was separated as inorganic demolition wastes, 18.2% as waste woods, and 16.0% as combustible wastes at conveyor speed of 2-3 rpm, and the error rate was the least from the waste types generated in the dismantle site.