KR20020080539A - method for sorting a refuse - Google Patents

method for sorting a refuse Download PDF

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Publication number
KR20020080539A
KR20020080539A KR1020010020157A KR20010020157A KR20020080539A KR 20020080539 A KR20020080539 A KR 20020080539A KR 1020010020157 A KR1020010020157 A KR 1020010020157A KR 20010020157 A KR20010020157 A KR 20010020157A KR 20020080539 A KR20020080539 A KR 20020080539A
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KR
South Korea
Prior art keywords
waste
organic components
metals
synthetic polymer
polymer compounds
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KR1020010020157A
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Korean (ko)
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KR100445535B1 (en
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정수영
김재국
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주식회사 명현엔지니어링
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Priority to KR10-2001-0020157A priority Critical patent/KR100445535B1/en
Publication of KR20020080539A publication Critical patent/KR20020080539A/en
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Publication of KR100445535B1 publication Critical patent/KR100445535B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/08—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

PURPOSE: Provided is a selection method of wastes which finely selects organic components, non-metals, chemicals, waste polymers or so, thereby recycling organic components, non-metals, chemicals, waste plastics or so on. CONSTITUTION: The selection method of wastes comprises the steps of: (i) finely crushing the wastes by a crusher(20); (ii) on a basis of appropriate specific gravity, selecting the wastes and discharging through an upper aperture(32) for small particles and a lower aperture(33) for the waste plastics; (iii) selecting the chemicals and the non-metals and storing the chemicals in a vessel(41) and the non-metals in a vessel(42); (iv) receiving small particles among organic components through a first transfer line and collecting small particles by a cyclone(70); (v) receiving waste plastics through an air conveyer(50), selecting by a wind selector(60), storing humid organic components and waste plastics in a vessel(61) and discharging humid organic components; and (vi) collecting humid organic components with a collector(80).

Description

폐기물을 선별하는 방법{method for sorting a refuse }Method for sorting a refuse}

본 발명은 일차적으로 자력선별에 의해 철금속류가 분리된 후 파쇄기에서 분쇄되어 건조기에서 열풍에 의해 경량물(종이, 비닐 등)이 분리된 생활폐기물 및 산업폐기물 중에서 유기성분류, 폐합성 고분자 화합물류, 비철금속류, 초자기류를 종류별로 세밀하게 분리하는 선별 방법에 관한 것이다.In the present invention, organic components, waste synthetic polymer compounds, and the like are mainly contained in household wastes and industrial wastes in which iron metals are separated by magnetic screening and then crushed in a crusher and separated from light dryers (paper, vinyl, etc.) by hot air in a dryer. It relates to a screening method for finely separating nonferrous metals and super magnetics by type.

종래의 폐기물 선별방법은 폐기물 수거차량에 의해 수거된, 봉지에 담긴 폐기물을, 저장실에 투입하여 저장실에 저장하였다가 크레인과 같은 투입기로 파봉하면서 선별장치에 투입되는 폐기물을 사람과 자력선별기에 의해 재활용될 수 있는 철금속류, 비철금속류, 초자기류, 비닐, 종이류, 폐합성 고분자 화합물류 및 유기성분류로 선별하였다.In the conventional waste sorting method, waste contained in a bag collected by a waste collection vehicle is put into a storage compartment, stored in a storage compartment, and then trashed into a sorting device such as a crane and recycled by humans and a magnetic separator. Possible ferrous metals, nonferrous metals, super magnetics, vinyl, paper, waste synthetic polymer compounds and organic components were selected.

상기와 같은 종래의 폐기물 선별방법은 사람이 육안으로 확인하여 수작업으로 분리하였기 때문에 작업능률이 낮으며, 특히 먼지와 악취가 많은 작업환경으로 인하여 장시간 작업이 곤란하게 되었다.The conventional waste sorting method as described above is difficult to work for a long time due to the human visually identified and separated by manual work, especially due to a lot of dust and odor working environment.

상기 종래의 폐기물 선별방법의 단점을 해결하기 위해, 폐기물 수거차량에 의해 수거된, 봉지에 담긴 폐기물을, 저장실에 저장하였다가 크레인과 같은 투입기로 파봉하면서 선별장치에 투입되는 폐기물을 자력선별기에 의해 철금속을 선별시킨 뒤에 탈수 또는 건조시킨 후 풍력 선별하여 비닐, 종이류를 선별하고, 그 다음 진동 선별하여 비철금속을 선별하고, 풍력에 의해 초자기류를 선별할 수 있는 선별방법이 개발되었다.In order to solve the shortcomings of the conventional waste sorting method, the waste collected in the bag, which is collected by the waste collection vehicle, is stored in a storage room and sealed by an input device such as a crane, and the waste introduced into the sorting device by a magnetic separator. After screening ferrous metals, dehydration or drying, wind screening to sort vinyl, paper, and then vibrating screening to select nonferrous metals and windscreens have been developed.

하지만, 상기 개발된 종래의 선별방법은 전처리 공정에서 단지 파쇄처리 및 건조처리만 수행된 폐기물을 비중에 의하여 선별하는 것이어서, 파쇄된 형상크기에 따라 그 중량을 달리하는 비철금속류, 초자기류 및 폐합성 고분자 화합물류와 그리고 함수율에 따라 그 중량을 달리하는 유기성분류(음식물 등)을 세밀하게 선별할 수 없어서, 비철금속류, 초자기류 및 폐합성 고분자 화합물류는 재활용되기에 부적합하게 되었고, 유기성분류를 폐기물 고형연료나 건조사료로 만들 경우에 원하는 품질을 얻을 수 없었고, 유기성분류를 소각처리시 폐합성 고분자 화합물류가 상기 유기성분류에 함유되어 대기를 오염시켰다.However, the conventional sorting method developed above is to sort wastes subjected to only crushing and drying in the pretreatment process by specific gravity, so that nonferrous metals, supermagnetics, and waste synthesis varying in weight depending on the crushed shape size. Due to the inability to select high-molecular compounds and organic ingredients (foods, etc.) that vary in weight depending on the water content, non-ferrous metals, supermagnetics, and waste synthetic polymer compounds are not suitable for recycling, and organic ingredients are not used for waste. In the case of solid fuel or dry feed, the desired quality could not be obtained. When the organic components were incinerated, waste synthetic polymer compounds were contained in the organic components to contaminate the air.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 전처리 공정에서 철금속과 가연성 폐기물인 폐비닐, 폐지류가 선별 제거되어 건조된 산업 및 생활 폐기물 중에서, 유기성분류, 비철금속류, 초자기류, 폐합성 고분자 화합물류 등을 세밀하게 선별할 수 있는 선별 방법을 제공하는 것을 목적으로 하고 있다.Accordingly, the present invention has been made in order to solve the above problems, organic metals, non-ferrous metals, super It is an object of the present invention to provide a screening method capable of finely screening porcelains, waste synthetic polymer compounds, and the like.

도 1은 본 발명에 따라 폐기물을 선별하는 방법을 설명하는 도면.1 illustrates a method for sorting waste in accordance with the present invention.

본 발명은 상기와 같은 목적을 달성하기 위해, 전처리 공정에서 종이류, 비닐류가 제거되어 건조된 원료인 폐기물을 분쇄기에 의해 미세하게 분쇄하는 단계; 상기 분쇄기에서 미세하게 분쇄된 폐기물을 진동 흡출기의 진동에 의해 소정된 비중 이상의 것(비철금속류, 초자기류)과 소정된 비중 이하의 것(유기성분류, 폐합성 고분자 화합물류)으로 선별하고, 상기 소정된 비중 이하의 것을 상기 진동에 의해 상기 진동 흡출기에 형성된 흡출부에 유입하여 풍력에 의해 선별하여서 유기성분류중 경량의 작은 입자들을 상기 흡출부의 상부개구를 통하여 배출시키고, 상기 유기성분류중 수분이 많은 것과 폐합성 고분자 화합물류를 상기 흡출부의 하부개구를 통하여 배출시키는 단계; 상기 진동 흡출기에서 선별된 소정된 비중 이상인 것을 받아 들여 진동 선별기의 진동에 의해 초자기류와 비철금속류를 선별하여서, 초자기류를 용기에 그리고 비철금속류를 용기에 저장시키는 단계; 상기 상부개구에서 배출되는 유기성분류의 경량의 작은 입자를 제 1이송라인을 통하여 받아 들여 사이클론에 의해 상기 유기성분류의 작은 입자를 포집하는 단계; 상기 하부개구에서 배출되는 유기성분류의 수분이 많은 것과 폐합성 고분자 화합물류를 공기운송기를 통하여 받아 들여 풍력선별기에 의해 선별하여서 폐합성 고분자 화합물류를 용기에 저장시키고 유기성분류의 수분이 많은 것을 배출시키는 단계; 그리고 상기 풍력선별기에서 배출되는 유기성분류의 수분이 많은 것을 포집기에 의해 포집하는 단계를 포함하는 것으로 되어 있다.In order to achieve the above object, the present invention comprises the steps of finely pulverizing the waste material, which is a raw material dried by removing papers and vinyls in a pretreatment process; The finely pulverized waste in the pulverizer is sorted into one having a specific gravity or more (non-ferrous metals, supermagnetics) and a predetermined specific gravity or less (organic components, waste synthetic polymer compounds) by vibration of the vibrating extractor, and What is below a predetermined specific gravity flows into the draft portion formed in the vibration aspirator by the vibration and is sorted by wind power to discharge small particles of light weight among the organic components through the upper opening of the draft portion, Discharging the waste synthetic polymer compound through the lower opening of the draft portion; Accepting an amount equal to or greater than a predetermined specific gravity selected by the vibration evacuator and sorting the super magnetic stream and the nonferrous metals by the vibration of the vibrating separator, and storing the super magnetic stream in the container and the non-ferrous metal in the container; Accepting small particles of the organic components discharged from the upper opening through a first transfer line and collecting small particles of the organic components by a cyclone; The organic components discharged from the lower opening and the waste synthetic polymer compounds are picked up by an air transporter and sorted by a wind separator to store the waste synthetic polymer compounds in a container and to discharge the moisture of the organic components. step; And it is to include a step of collecting by the collector the moisture of the organic components discharged from the wind selector.

이하, 도 1을 참조하여, 본 발명에 따른 일실시예를 상세히 설명한다.Hereinafter, an embodiment according to the present invention will be described in detail with reference to FIG. 1.

본 실시예의 선별 방법에 의해 선별 처리될 원료는 폐기물 하치장에 수거된 생활 폐기물을 파봉하여 일차적으로 자력선별기에 의하여 철금속을 분리한 후 파쇄기로 파쇄된 상태로 일차건조를 거쳐 종이류, 비닐류 등의 경량물이 제거된 폐기물이거나, 또는 폐기물 하치장에 수거된 산업 폐기물을 일차적으로 자력선별에 의하여 철금속을 분리한 후 파쇄기로 파쇄된 상태로 건조를 거쳐 종이류, 비닐류 등의 경량물이 제거된 폐기물이다.The raw materials to be screened by the screening method of this embodiment is to seal the domestic waste collected in the waste dump, and to firstly separate the ferrous metal by a magnetic separator, and then to dry it with a crusher and then dry it to light weight such as paper, vinyl, etc. It is a waste from which water has been removed, or a waste from which waste materials such as papers and vinyls are removed by drying the industrial waste collected in a waste dump, primarily by separating the ferrous metal by magnetic screening, and then crushed by a crusher.

전처리 공정에서 종이류, 비닐류가 제거되어 건조된 원료인 폐기물이 생활 폐기물인 경우에는 상기 생활 폐기물이 유기성분류인 음식물을 대다수 포함하고 있는 관계로 함수율이 높아 전처리 공정에서 한 번의 건조공정으로 원하는 함수율까지 건조시킬 수 없어 한 번더 2차 건조기(10)에서 건조 처리되어 분쇄기(20)에 투입되지만, 산업 폐기물인 경우에는 상기 산업 폐기물이 유기성분류인 음식물을 거의 포함하고 있지 않은 관계로 함수율이 높지 않아 전처리 공정에서의 한 번의 건조공정만으로 원하는 함수율까지 건조시킬 수 있어 또 다시 건조 처리되지 않고 그대로 분쇄기(20)에 투입된다.In the case of waste material, which is a raw material dried by removing papers and vinyls from the pretreatment process, is a household waste, since the waste contains most of the organic foods, the water content is high, so it is dried to the desired moisture content in one drying process in the pretreatment process. Since it is not possible to make it, it is dried in the secondary dryer 10 once more and put into the grinder 20. However, in the case of industrial waste, the industrial waste does not contain almost any food containing organic ingredients, so the water content is not high. Only one drying step in the can be dried up to the desired moisture content, and is again put into the grinder 20 without being dried again.

여기에서, 상기 생활 폐기물이 선별 처리되기 전에 한 번더 2차 건조기(10)에서 원하는 함수율로 건조 처리되는 이유는 함수율에 따라 그 중량을 달리하는 유기성분류인 음식물을 10% 이하로 건조시키지 않으면, 음식물을 비철금속류, 초자기류 및 폐합성 고분자 화합물류로 부터 선별할 수 없기 때문이다.Here, the reason why the household waste is dried in the desired moisture content in the secondary dryer 10 once more before the sorting treatment is that the food, which is an organic ingredient whose weight varies depending on the moisture content, is not dried to 10% or less. This is because it cannot be selected from nonferrous metals, supermagnetics and waste synthetic polymer compounds.

상기 분쇄기(20)에서 상기 원료를 진동 및 풍력을 이용하여 초자기류, 비철금속류, 폐합성 고분자 화합물류, 유기성분류 등을 선별하기 전에 미세하게 분쇄하는 이유는 상기 원료에 함유된 초자기류, 비철금속류, 폐합성 고분자 화합물류가 전처리 공정에서 파쇄된 형상의 크기에 따라 그 중량을 달리하기 때문이다.The reason that the raw material is finely pulverized in the pulverizer 20 before screening the raw material using vibrating and wind power is selected for the ultra magnetic materials, nonferrous metals, waste synthetic polymer compounds, organic components, and the like. This is because waste synthetic polymer compounds vary in weight depending on the size of the crushed shape in the pretreatment process.

건조기에 의해 거의 일정한 함수율을 가지고 있고 분쇄기에 의해 미세하게 분쇄된 원료는 진동 흡출기(30)에 투입된다.The raw material having a substantially constant moisture content by the dryer and finely pulverized by the pulverizer is introduced into the vibration evacuator 30.

상기 진동 흡출기(30)에 투입된 원료는 상기 진동 흡출기(30)의 진동에 의해 비중이 2이상의 것(비철금속류, 초자기류 등)과 2이하의 것(유기성분류, 폐합성 고분자 화합물류 등)으로 선별되어, 2이상의 비중을 가진 것은 도 1에 도시된 바와 같이, 진동 선별기(40)로 유입되고, 그리고 2이하의 비중을 가진 것은 흡출부(31)에 유입된다.The raw material introduced into the vibration extractor 30 has a specific gravity of 2 or more (nonferrous metals, supermagnetics, etc.) and 2 or less (organic components, waste synthetic polymer compounds, etc.) by the vibration of the vibration extractor 30. 1), the one having a specific gravity of 2 or more is introduced into the vibration separator 40, and the one having a specific gravity of 2 or less is introduced into the suction part 31.

상기 진동 선별기(40)에 유입된 2이상의 비중의 것은 상기 진동 선별기(40)의 진동에 의해 초자기류와 비철금속류 별로 선별되어 별개로 일정 용기(41, 42)에 저장된다.The two or more specific gravity introduced into the vibrating separator 40 are sorted for each of the supermagnetic and nonferrous metals by the vibration of the vibrating separator 40 and are separately stored in the predetermined containers 41 and 42.

상기 흡출부(31)는 상측에 상부개구(32)와 하측에 하부개구(33)를 가지고 있다. 상기 흡출부(31)의 상측에 형성된 상부개구(32)는 제 1이송라인(34)을 경유하여 사이클론(70)에 연결되어 있고, 상기 흡출부(31)의 하측에 형성된 하부개구(33)는 공기운송기(50)에 연결되어 있다.The suction part 31 has an upper opening 32 on the upper side and a lower opening 33 on the lower side. The upper opening 32 formed on the upper side of the draft portion 31 is connected to the cyclone 70 via the first transfer line 34 and the lower opening 33 formed on the lower side of the draft portion 31. Is connected to the air transporter (50).

따라서, 상기 흡출부(31)에 유입된 2이하의 비중의 것은 상기 상부개구(32)를 경유한 상기 사이클론(70)에서의 흡입력에 의해 가벼운 유기성분류의 작은 입자들과 그리고 수분이 많은 유기성분류 및 폐합성 고분자 화합물류로 선별되어, 상기 유기성분류의 작은 입자들은 상기 상부개구(32)를 통하여 상기 사이클론(70)에 유입되고, 그리고 상기 수분이 많은 유기성분류 및 폐합성 고분자 화합물류는 상기 공기운송기(50)에 유입된다.Accordingly, the specific gravity of 2 or less introduced into the suction part 31 is due to the suction force in the cyclone 70 via the upper opening 32 and the small particles of light organic components and the organic components with high moisture content. And waste synthetic polymer compounds, the small particles of the organic components flow into the cyclone 70 through the upper opening 32, and the juicy organic components and the waste synthetic polymer compounds are the air. Flows into the transporter 50.

상기 사이클론(70)에 유입된 유기성분류의 작은 입자들은 상기 사이클론(70)에 의해 포집된다. 그리고, 상기 공기운송기(50)에 유입된 수분이 많은 유기성분류 및 폐합성 고분자 화합물류는 상기 공기운송기(50)에 의해 상기 풍력선별기(60)에 유입되어, 폐합성 고분자 화합물류는 상기 풍력선별기(60)에 의해 상기 수분이 많은 유기성분류와 선별되어 일정 용기(61)에 저장된다.Small particles of the organic component introduced into the cyclone 70 are collected by the cyclone 70. In addition, the moisture-containing organic components and the waste synthetic polymer compounds introduced into the air transporter 50 are introduced into the wind selector 60 by the air transporter 50, and the waste synthetic polymer compounds are the wind sorter. By 60, the moisture is separated from the organic components and stored in a predetermined container 61.

상기 풍력선별기(60)에 의해 상기 폐합성 고분자 화합물류와 선별 건조되어 상기 풍력선별기(60) 밖으로 배출된 수분이 많은 유기성분류는 포집기(80)에 유입되어 포집기(80)에 의해 포집된다.The waste synthetic polymer compounds are selectively dried by the wind separator 60, and the organic components having high moisture discharged out of the wind separator 60 are introduced into the collector 80 and collected by the collector 80.

상기한 바와 같은 본 발명은 전처리 공정에서 철금속과 가연성 폐기물인 폐비닐, 폐지류가 선별 제거되어 건조된 산업 및 생활 폐기물중에서, 유기성분류, 비철금속, 초자기류, 폐합성 고분자 화합물류 등을 세밀하게 선별할 수 있는 선별 방법을 제공하여, 비철금속, 초자기류 및 폐합성 고분자 화합물류를 재활용되기에 적합하게 할 수 있고, 유기성분류를 폐기물 고형연료나 건조사료로 만들 경우에 이물질이 거의 함유되지 않은 양질의 원료가 되게 하였으며, 유기성분류를 소각처리시 폐합성 고분자 화합물류가 상기 유기성분류에 거의 함유되지 않아 대기 오염을 방지할 수 있었다.In the present invention as described above, in the industrial and household wastes, in which waste metals and waste papers, which are iron metals and flammable wastes, are selectively removed and dried in a pretreatment process, organic components, nonferrous metals, supermagnetics, waste synthetic polymer compounds, etc. By providing a sorting method for sorting, it is possible to make nonferrous metals, supermagnetics, and waste synthetic polymer compounds suitable for recycling, and high quality that contains little foreign matter when organic components are made from solid waste fuel or dry feed. When the organic components were incinerated, the waste synthetic polymer compounds were hardly contained in the organic components, thereby preventing air pollution.

Claims (3)

전처리 공정에서 철금속과 가연성 폐기물인 폐비닐, 폐지류가 선별 제거되어 건조된 폐기물중에서, 유기성분류, 비철금속류, 초자기류, 폐합성 고분자 화합물류를 선별하는 선별 방법에 있어서, 전처리 공정에서 종이류, 비닐류가 제거되어 건조된 원료인 폐기물을 분쇄기(20)에 의해 미세하게 분쇄하는 단계; 상기 분쇄기(20)에서 미세하게 분쇄된 폐기물을 진동 흡출기(30)의 진동에 의해 소정된 비중 이상의 것(비철금속류, 초자기류)과 소정된 비중 이하의 것(유기성분류, 폐합성 고분자 화합물류)으로 선별하고, 상기 소정된 비중 이하의 것을 상기 진동에 의해 상기 진동 흡출기(30)에 형성된 흡출부(31)에 유입하여 풍력에 의해 선별하여서 유기성분류중 경량의 작은 입자들을 상기 흡출부(31)의 상부개구(32)를 통하여 배출시키고, 상기 유기성분류중 수분이 많은 것과 폐합성 고분자 화합물류를 상기 흡출부(31)의 하부개구(33)를 통하여 배출시키는 단계; 상기 진동 흡출기(30)에서 선별된 소정된 비중 이상인 것을 받아 들여 진동 선별기(40)의 진동에 의해 초자기류와 비철금속류를 선별하여서, 초자기류를 용기(41)에 그리고 비철금속류를 용기(42)에 저장시키는 단계(40); 상기 상부개구(32)에서 배출되는 유기성분류의 경량의 작은 입자를 제 1이송라인을 통하여 받아 들여 사이클론(70)에 의해 상기 유기성분류의 작은 입자를 포집하는 단계; 상기 하부개구(33)에서 배출되는 유기성분류의 수분이 많은 것과 폐합성 고분자 화합물류를 공기운송기(50)를 통하여 받아 들여 풍력선별기(60)에 의해 선별하여서 폐합성 고분자 화합물류를 용기(61)에 저장시키고 유기성분류의 수분이 많은 것을 배출시키는 단계; 그리고 상기 풍력선별기(60)에서 배출되는 유기성분류의 수분이 많은 것을 포집기(80)에 의해 포집하는 단계를 포함하는 것을 특징으로 하는 선별 방법.In the pretreatment process, the organic metals, non-ferrous metals, super magnetics, and waste synthetic polymer compounds are sorted out from the wastes which have been selectively removed from the waste metals and waste vinyl and waste papers, which are combustible wastes. Finely pulverizing the waste, which is a raw material, from which the vinyls are dried, by the crusher 20; The finely pulverized waste in the pulverizer 20 has a specific gravity or more (non-ferrous metals, supermagnetics) and a predetermined specific gravity or less (organic components, waste synthetic polymer compounds, etc.) by vibrating the vibration extractor 30. ), The less than or equal to the predetermined specific gravity flows into the draft part 31 formed in the vibration drawer 30 by the vibration and is sorted by wind power to collect small particles of light weight among the organic components. Discharging through the upper opening 32 of 31) and discharging the high molecular weight and the waste synthetic polymer compound among the organic components through the lower opening 33 of the draft part 31; The super magnetic stream and the non-ferrous metals are sorted by the vibration of the vibrating separator 40, and the super magnetic stream is placed in the container 41 and the non-ferrous metals are placed in the container 42. 40); Receiving small particles of the organic components discharged from the upper opening 32 through the first transfer line and collecting small particles of the organic components by the cyclone 70; The moisture-containing organic compounds discharged from the lower opening 33 and the waste synthetic polymer compounds are received through the air transporter 50 and sorted by the wind selector 60 to collect the waste synthetic polymer compounds in the container 61. Storing in the air and draining the moisture of the organic components; And collecting by the collector 80 the moisture content of the organic components discharged from the wind power separator 60. 제 1항에 있어서, 전처리 공정에서 철금속과 가연성 폐기물인 폐비닐, 폐지류가 선별 제거되어 건조된 폐기물이 생활 폐기물인 경우에는 상기 분쇄기(20)에 앞서서 상기 생활 폐기물을 건조기에 의해 한 번 더 건조시키는 단계를 포함하는 것을 특징으로 하는 선별 방법.The method of claim 1, wherein in the pretreatment process, when the waste metal, which is the waste vinyl and the waste paper that are selectively removed and dried, is a household waste, the household waste is once again dried by a dryer. And a drying step. 제 1항 또는 제 2항에 있어서, 상기 소정된 비중은 2인 것을 특징으로 하는 선별 방법.The method according to claim 1 or 2, wherein the predetermined specific gravity is two.
KR10-2001-0020157A 2001-04-16 2001-04-16 method for sorting a refuse KR100445535B1 (en)

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