KR100349026B1 - Resources circulation management system - Google Patents
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- KR100349026B1 KR100349026B1 KR1020020028707A KR20020028707A KR100349026B1 KR 100349026 B1 KR100349026 B1 KR 100349026B1 KR 1020020028707 A KR1020020028707 A KR 1020020028707A KR 20020028707 A KR20020028707 A KR 20020028707A KR 100349026 B1 KR100349026 B1 KR 100349026B1
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- Prior art keywords
- waste
- wastes
- sorting
- drying
- hopper
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- 239000002699 waste material Substances 0.000 claims abstract description 236
- 238000000034 method Methods 0.000 claims abstract description 112
- 238000001035 drying Methods 0.000 claims abstract description 42
- 239000010791 domestic waste Substances 0.000 claims abstract description 30
- 238000000265 homogenisation Methods 0.000 claims abstract description 21
- 239000010815 organic waste Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010276 construction Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 238000004056 waste incineration Methods 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 239000006148 magnetic separator Substances 0.000 claims description 11
- 239000010802 sludge Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 150000002739 metals Chemical class 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000010850 non-combustible waste Substances 0.000 claims 1
- 238000003915 air pollution Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 235000019645 odor Nutrition 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000000197 pyrolysis Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2200/00—Waste incineration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
본 발명은 매립지로 반입되는 폐기물의 과학적 처리를 통하여 폐기물의 자원화를 극대함과 동시에 매립부지의 안정적, 효율적 활용도 가능케 하는 폐기물 자원화를 위한 순환시스템에 관한 것으로, 매립지로 반입되는 생활폐기물, 건축폐기물, 유기성폐기물 및 가내폐기물의 각 중량을 계량하여 각 폐기물의 처리량을 파악하는 폐기물 계량공정과, 폐기물 계량공정을 거친 각 폐기물중 생활폐기물 및 유기성폐기물에 포함된 수분을 소정의 건조수단을 통해 일정비율의 함수율까지 건조시키는 폐기물 건조공정과, 폐기물 계량공정을 거친 건축폐기물, 가내폐기물 및 폐기물 건조공정을 거친 생활폐기물, 유기성폐기물에 포함된 불연물 및 유용물을 분리하여 최종적으로 가연물을 선별하는 폐기물 선별공정과, 폐기물 선별공정을 거친 각 폐기물을 연소에 적합한 형태로 다시 혼합ㆍ파쇄ㆍ건조하여 최종적으로 연료화 하는 폐기물 균질화공정 및 폐기물 균질화공정을 거친 각 폐기물을 소각하는 폐기물 소각공정으로 이루어진 것을 특징으로 한다. 이와 같은 본 발명에 의하면, 폐기물의 건조 및 선별을 통해 유용물을 최대한 회수할 수 있고, 열회수를 극대시킬 수 있는 동시에 유해 배출가스에 의한 대기오염을 최소화할 수 있다.The present invention relates to a circulatory system for waste resources that maximizes resource utilization of waste through scientific treatment of waste brought into landfills and enables stable and efficient utilization of landfill sites, including household wastes, construction wastes, Waste weighing process to determine the throughput of each waste by weighing each weight of organic waste and home waste, and water contained in household waste and organic waste of each waste that has passed through waste weighing process A waste drying process for drying up to a moisture content, a waste sorting process for finally sorting combustibles by separating building wastes, household wastes, household wastes, and household wastes, organic wastes, and non-combustibles and useful materials Burn each waste after the waste sorting process Again mixed in a suitable form and is characterized by being a waste incineration process of crushing and drying the waste incineration each subjected to homogenization process waste and waste homogenization step of the final yeonryohwa. According to the present invention, it is possible to recover the useful goods as much as possible through the drying and sorting of the waste, to maximize the heat recovery and to minimize the air pollution by harmful emissions.
Description
본 발명은 폐기물의 처리공정에 관한 것으로서, 더욱 상세하게는 매립지로 반입되는 각종 폐기물을 각 폐기물의 성상에 적합한 형태로 처리하여 폐기물의 자원화를 극대화시킬 수 있으며, 매립부지의 안정적ㆍ효율적 활용에도 크게 기여할 수 있는 폐기물 자원화를 위한 순환시스템에 관한 것이다.The present invention relates to a waste treatment process, and more particularly, it is possible to maximize the recycling of waste by treating various wastes brought into the landfill in a form suitable for the characteristics of each waste, and greatly improve the stable and efficient utilization of the landfill site. It relates to a circulatory system for waste resources that can contribute.
최근 들어, 산업발달과 경제규모가 확대됨에 따라 가정 및 산업현장에서 발생되는 폐기물발생량도 매년 꾸준하게 증가되고 있다.In recent years, as industrial development and economic scale expand, the amount of waste generated at home and industrial sites has been increasing steadily every year.
이와 같은 폐기물발생량은 주로 산업구조와 소비패턴에 따라 맞물려 변화되는데, 근래에는 쓰레기 종량제, 분리수거, 1회용품 사용억제 등의 지속적인 폐기물 발생억제정책과 폐기물 소각처리시설의 확충을 통해 최종적으로 매립장에 매립되는 폐기물의 양을 줄이고자 하는 노력이 계속적으로 진행되고 있다.The amount of waste generation is mainly changed in accordance with the industrial structure and consumption patterns. Recently, the landfill site is finally reclaimed through the continuous waste generation control policy such as waste-based payment system, separate collection and one-time use control and expansion of waste incineration facilities. Efforts are being made to reduce the amount of waste generated.
한편, 현재 매립장에 반입되는 폐기물은 크게 생활폐기물과 사업장폐기물이 주종을 이루고 있으며, 이중 생활폐기물은 위와 같은 폐기물발생억제정책과 소각처리시설 확충 및 재활용율의 증가로 점차 감소추세에 있지만, 반면 사업장폐기물은 산업활동 증가와 자원 다소비형 산업구조 등으로 인하여 점차 높은 증가율을 보이고 있다.On the other hand, the current wastes to landfills are mainly composed of household wastes and workplace wastes. Among them, household wastes are gradually decreasing due to the above-mentioned waste generation control policy and expansion of incineration facilities and recycling rate. Waste has been gradually increasing due to the increase in industrial activities and the rather expensive industrial structure.
이러한, 반입 폐기물은 소각처리 시설확충 및 재활용의 노력에도 불구하고대부분 자원화가 가능한 폐기물도 현재 매립장에 단순 매립되고 있으며, 이 과정에서 발생되는 악취, 침출수, 먼지, 해충 등에 의해 환경 오염문제가 대두되어 매립장 주변지역 주민들의 민원의 대상이 되고있다.Despite the efforts to expand and recycle incineration wastes, most of the wastes that can be recycled are simply landfilled at landfill sites, and environmental pollution is a problem due to odors, leachate, dust, and pests. It has been the subject of complaints from residents around the landfill site.
이에, 본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 매립지로 반입되는 각종 폐기물을 그 성상에 따라 건조 및 선별하여 유용물질을 분리한 후 최종적으로 연소에 적합한 형태로 폐기물을 연료화하여 열분해함으로써 유용물질의 회수를 극대화할 수 있고, 동시에 배출가스로 인한 환경오염을 최소화할 수 있는 폐기물 자원화를 위한 순환시스템을 제공함에 있다.Accordingly, the present invention has been made in order to solve the above problems, the object of the present invention is to dry the various wastes to be landfilled and sorted according to their properties to separate the useful materials and finally waste in a form suitable for combustion It is possible to maximize the recovery of useful materials by fuelizing and pyrolysis, and at the same time to provide a circulation system for the recycling of waste resources to minimize the environmental pollution caused by the exhaust gas.
도 1은 본 발명에 따른 폐기물 자원화 순환시스템의 전체공정을 나타낸 블럭도.1 is a block diagram showing the overall process of the waste recycling circulation system according to the present invention.
도 2a는 도 1에 도시된 생활폐기물 처리과정을 구체적으로 나타낸 블럭도.Figure 2a is a block diagram showing in detail the waste treatment process shown in FIG.
도 2b는 도 1에 도시된 생활폐기물 처리과정에서 건조피트의 단면도,Figure 2b is a cross-sectional view of the drying pit in the municipal waste treatment process shown in FIG.
도 3은 도 1에 도시된 건축폐기물 처리과정을 구체적으로 나타낸 블럭도.Figure 3 is a block diagram showing in detail the construction waste treatment process shown in FIG.
도 4는 도 1에 도시된 유기성폐기물의 처리과정을 구체적으로 나타낸 블럭도.Figure 4 is a block diagram showing in detail the process of the organic waste shown in FIG.
도 5는 도 1에 도시된 가내폐기물의 처리과정을 구체적으로 나타낸 블럭도.5 is a block diagram showing in detail the process of home waste shown in FIG.
도 6은 본 발명에 따른 소각재의 처리과정을 구체적으로 나타낸 블럭도.Figure 6 is a block diagram showing in detail the process of incineration ash according to the present invention.
* 도면의 주요부분에 대한 설명 *Description of the main parts of the drawing
311 : 파봉기 312 : 건조피트311: bongbonggi 312: dry feet
313,322,333 : 체선별기 314 : 수선별313,322,333: Sorting machine 314: Sort by sorting
315,325,342 : 자력선별기 317,335 : 공기여과기315,325,342: Magnetic separator 317,335: Air filter
318,336 : 압입송풍기 321,331,341,351 : 호퍼318,336: Press-fit blower 321,331,341,351: Hopper
323,343 : 파쇄기 324 : 풍력선별기323,343: Crusher 324: Wind sorter
334 : 분쇄기 353 : 소성설비334 grinder 353 firing equipment
상기와 같은 목적을 달성하기 위한 본 발명에 따른 폐기물 자원화를 위한 순환시스템은 매립지로 반입되는 각종 폐기물을 처리하기 위한 폐기물 처리공정에 있어서, 상기 매립지로 반입되는 생활폐기물, 건축폐기물, 유기성폐기물 및 가내폐기물의 각 중량을 계량하여 각 폐기물의 처리량을 파악하는 폐기물 계량공정과; 상기 폐기물 계량공정을 거친 각 폐기물중 상기 생활폐기물 및 유기성폐기물에 포함된 수분을 소정의 건조수단을 통해 일정비율의 함수율까지 건조시키는 폐기물 건조공정과; 상기 폐기물 계량공정을 거친 상기 건축폐기물, 가내폐기물 및 상기 폐기물 건조공정을 거친 상기 생활폐기물, 유기성폐기물에 포함된 불연물 및 유용물을 분리하여 최종적으로 가연물을 선별하는 폐기물 선별공정과; 상기 폐기물 선별공정을 거친 각 폐기물을 연소에 적합한 형태로 다시 혼합ㆍ파쇄ㆍ건조하여 최종적으로 연료화 하는 폐기물 균질화공정; 및 상기 폐기물 균질화공정을 거친 각 폐기물을 소각하는 폐기물 소각공정으로 이루어진 것을 특징으로 한다.According to the present invention, there is provided a circulation system for recycling wastes according to the present invention in a waste treatment process for treating various wastes carried into landfills, household wastes, construction wastes, organic wastes and households brought into the landfills. A waste weighing step of weighing each weight of the waste to grasp the throughput of each waste; A waste drying step of drying the water contained in the domestic waste and the organic waste among the wastes which have passed through the waste measuring process to a predetermined rate of water content through a predetermined drying means; A waste sorting step of finally sorting combustibles by separating the building wastes, household wastes, and household wastes, organic wastes, and non-combustibles from the wastes measuring process; A waste homogenization step of finally mixing, crushing and drying each waste that has undergone the waste sorting process in a form suitable for combustion and finally fueling it; And a waste incineration process for incinrating each waste that has been subjected to the waste homogenization process.
상기 폐기물 계량공정을 거친 생활폐기물은, 파봉기를 이용하여 폐기물을 파봉하는 파봉 단계와, 상기 파봉된 폐기물을 건조피트에서 건조하는 건조 단계와, 체선별기를 통해 상기 건조된 폐기물에 포함된 불연물을 제거하는 체선별 단계와, 상기 체선별을 거친 폐기물 중에 포함된 이물질을 수선별을 통해 제거하는 인력선별 단계 및 상기 인력선별을 거친 폐기물중 금속류를 자력선별기에 의해 선별하는 자력선별 단계를 거쳐 상기 폐기물 균질화공정으로 투입된다.The household waste that has undergone the waste measuring process includes a paring step of digging waste using a sacking machine, a drying step of drying the crushed waste on a drying foot, and a nonflammable material contained in the dried waste through a sieve separator. After the screening step of removing the, through the manpower screening step of removing the foreign matter contained in the screening waste through the screening and the magnetic screening step of selecting the metals in the waste screened through the screening by a magnetic separator It is fed into the waste homogenization process.
상기 폐기물 계량공정을 거친 건축폐기물은, 폐기물을 호퍼에 투입하는 호퍼투입 단계와, 상기 호퍼로부터 이송되는 폐기물중 불연물을 체선별기를 이용하여 선별하는 체선별 단계와, 상기 체선별을 거친 폐기물을 파쇄기를 통해 일정 크기로 파쇄하는 파쇄단계와, 상기 파쇄과정을 거친 폐기물을 다시 풍력선별기를 통해 가연물과 불연물로 선별하는 풍력선별 단계와, 상기 풍력 선별과정을 거친 불연물은 자력선별기로 투입되고 가연물은 상기 폐기물 균질화공정으로 투입된다.The construction waste that has undergone the waste measuring process includes a hopper input step of injecting waste into a hopper, a screening step of sorting non-combustibles among wastes transferred from the hopper using a sieve separator, and a crusher of the waste that has undergone the sifting. The crushing step of crushing to a predetermined size through, and the windscreening step of sorting the wastes undergoing the crushing process back to the combustibles and non-combustibles through the wind sorter, the non-combustibles undergoing the windscreening process is put into the magnetic separator and the combustibles are the It is fed into the waste homogenization process.
상기 폐기물 계량공정을 거친 유기성폐기물은, 폐기물을 호퍼에 투입하는 호퍼투입 단계와, 상기 호퍼를 거친 폐기물을 건조기에서 건조시키는 건조 단계와, 상기 건조된 폐기물을 체선별기를 통해 크기별로 선별하는 체선별 단계와, 상기 체선별를 거친 폐기물을 다시 분쇄기를 통해 분쇄하는 분쇄 단계를 거쳐 상기 폐기물 균질화공정 또는 전용연소로로 투입된다.The organic waste that has undergone the waste measuring process includes a hopper input step of injecting waste into a hopper, a drying step of drying the waste passed through the hopper in a dryer, and a sifting to select the dried waste by size through a sieve separator. And a crushing step of crushing the waste that has undergone the screening again through a crusher, and is introduced into the waste homogenization process or the dedicated combustion furnace.
상기 폐기물 계량공정을 거친 가내폐기물은, 폐기물을 호퍼에 투입하는 호퍼투입 단계와, 상기 호퍼로부터 이송되는 폐기물중 금속류를 자력선별기를 이용하여 선별하는 자력선별 단계와, 상기 자력선별된 폐기물을 다시 파쇄기를 통해 일정 크기로 파쇄하는 파쇄 단계를 거쳐 상기 폐기물 균질화공정으로 투입된다.The home waste that has passed through the waste metering process includes a hopper input step of injecting waste into a hopper, a magnetic separation step of selecting metals in the waste transported from the hopper using a magnetic separator, and a crusher of the magnetic selected waste again. Through the shredding step of shredding to a predetermined size through the waste homogenization process.
상기 매립지로 반입되는 각 폐기물 중에는 소각재가 더 포함되고, 상기 소각재는 상기 폐기물 계량공정을 거친 다음, 최초 반입된 소각재를 호퍼에 투입하는 호퍼투입 단계와, 상기 호퍼를 거친 소각재를 건조기를 통해 건조하는 건조 단계 및 상기 건조된 소각재를 소성설비를 통해 용융 등 중금속 용출 방지처리를 한후 일정 형태로 소성시키는 소성 단계를 거쳐 처리된다.Incineration ash is further included in each waste brought into the landfill, and the incineration ash goes through a waste weighing process, and then a hopper input step of injecting the first incineration ash into the hopper, and drying the incineration ash passed through the hopper through a dryer. The drying step and the dried incineration ash is processed through a firing step of firing a certain form after heavy metal leaching prevention treatment such as melting through a firing facility.
이에 따라, 매립지로 반입되는 각종 폐기물의 건조, 선별, 및 열분해(발전) 과정을 통해 활용자원의 회수를 극대화하고, 연소에 적합한 형태로 처리된 폐기물연료만을 연소시킴으로써 최종적으로 매립지에 매립되는 폐기물의 양을 현저하게 감소시킬 수 있고, 매립량의 감소로 인한 제반의 환경오염 및 배출가스의 오염을 최소화할 수 있다.Accordingly, through the drying, sorting, and pyrolysis (development) process of various wastes brought into the landfill, the recovery of utilization resources is maximized, and only the waste fuel processed in a form suitable for combustion is burned to finally discharge the landfilled landfill. The amount can be significantly reduced, and the general environmental pollution and the emission of the exhaust gas due to the reduction of landfill amount can be minimized.
이하, 첨부된 도면을 참조하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 폐기물 자원화 순환시스템의 전체공정을 나타내는 블럭도이다.1 is a block diagram showing the overall process of the waste recycling circulation system according to the present invention.
여기서, 매립지로 반입되는 각종 폐기물중 생활폐기물은 일반적으로 가정 등지에서 발생되어 종량제 봉투에 담겨진 형태로 반입되고, 건축폐기물은 건설현장 등지에서 발생되는 콘크리트, 철근, 목재, 종이, 합성수지 등이 주를 이루는 폐기물을 말하며, 가내폐기물은 소규모의 가내 수공업에서 발생된 폐합성수지, 직물류등을 포함하며, 유기성폐기물은 주로 하수 처리장 등지에서 반입되는 슬러지가 주종을 이룬다.Here, among the various wastes brought into the landfill, household wastes are generally generated in homes and are carried in the form of pay-as-you-go bags, and construction wastes include concrete, reinforcing bars, wood, paper, and synthetic resins generated at construction sites. Domestic wastes include waste synthetic resins and textiles generated from small domestic handicrafts, and organic wastes are mainly composed of sludge brought in from sewage treatment plants.
도 1에 도시된 바와 같이, 매립장으로 최초로 반입되는 생활폐기물, 유기성폐기물, 건축폐기물 및 가내폐기물은 각 폐기물의 반입, 반출량 및 폐기물 처리량의 파악이 가능하도록 하기 위하여 폐기물차량에 각 폐기물이 담긴 상태로 계량기를 통해 중량이 계량된다.(200)As shown in FIG. 1, the household wastes, organic wastes, construction wastes, and household wastes first introduced into a landfill site contain each waste in a waste vehicle in order to be able to grasp each waste's import, export amount, and waste throughput. The weight is metered through the meter. 200
상기 폐기물 계량공정(200)을 거쳐 계량된 각 폐기물 중에서 수분 함량이 많고 불균질한 생활폐기물 및 유기성폐기물은 이후의 폐기물 선별공정이 원활이 진행될 수 있도록 하기 위하여 건조장치를 통해 일정 함수율까지 건조된다.(300)Water content and heterogeneous domestic waste and organic waste among the wastes measured through the waste metering process 200 are dried to a predetermined moisture content through a drying apparatus in order to facilitate the subsequent waste sorting process. (300)
이후, 상기 폐기물 건조공정(300)을 거쳐 건조 균질화된 생활폐기물, 유기성폐기물과 상기 계량과정을 거친 건축폐기물, 가내폐기물은 체선별기, 인력선별, 자력선별기 및 풍력선별기 등을 거치면서 재활용이 가능한 유용물질 및 불연물 등이 선별되고 최종적으로 연소 가능한 가연물 만이 분리되어진다.(400)Thereafter, the dry and homogenized household waste, organic waste and building waste, home waste, which have undergone the measurement process through the waste drying process 300, can be recycled while going through a sieve sorter, manpower sorter, magnetic sorter, and wind sorter. Substances and incombustibles are selected and finally only combustible combustibles are separated.
그리고, 상기 폐기물 선별공정(400)을 거친 각 폐기물은 혼합기를 통하여 다시 균질하게 혼합되고 건조기를 통해 일정 함수율까지 건조 된 후에 연료로 활용할 수 있는 적절한 크기 및 형태로 파쇄되어 최종적으로 연소에 적합하게 균질화된다.(500)Then, each waste that passed through the waste sorting process 400 is mixed homogeneously again through a mixer and dried to a constant moisture content through a dryer, and then crushed into an appropriate size and shape that can be utilized as fuel, and finally homogenized for combustion. (500)
이러한 균질화 공정(500)은 불규칙한 성상을 가진 폐기물을 연료화하기 위하여 폐기물의 성상(입자크기, 수분, 칼로리 등) 등을 일정한 수준으로 균질화시키는 것으로서, 상기 건조 및 선별 등의 처리과정을 거친 생활폐기물, 건축폐기물 및 가내폐기물을 1단계로 혼합기를 통하여 잘 섞어주고, 2단계로 혼합된 폐기물을 연소하기에 적당한 20∼25Cm 크기로 파쇄한 후, 3단계로 간접열에 의해 20~25% 정도의 일정 수분함량으로 건조하여 4단계로 최종적으로 10∼15Cm 크기로 파쇄 및 혼합을 통해 균질한 성상을 갖는 폐기물 연료로 만들어 준다.The homogenization process 500 is to homogenize the properties of the waste (particle size, moisture, calories, etc.) to a certain level in order to fuel the waste having irregular properties, such as household waste, which has undergone the process of drying and screening, Mix the construction waste and home waste in the first stage through the mixer, and crush the waste mixed in the second stage into 20 ~ 25cm size suitable for burning, and then, in the third stage, 20 ~ 25% of moisture by indirect heat. It is dried to a content and finally made into four stages, and finally made into waste fuel having a homogeneous property by crushing and mixing to a size of 10 to 15 cm.
이와 같은 폐기물 균질화공정(500)을 거친 폐기물은 최종적으로 소각로를 통해 열분해되고, 이 과정에서 발생되는 폐열은 발전 시스템을 통해 전기 및 지역난방을 위한 열원으로 생성되어 회수된다.(600) 또한, 상기 열분해 과정에서 회수된 폐열은 전술한 건조기의 열원으로서도 제공된다.Waste that has undergone such a waste homogenization process 500 is finally pyrolyzed through an incinerator, and waste heat generated in this process is generated and recovered as a heat source for electricity and district heating through a power generation system. The waste heat recovered in the pyrolysis process is also provided as a heat source of the dryer described above.
이하, 상기 전체공정을 기본으로 하여 각 폐기물의 처리과정을 공정별로 상세히 나누어 설명한다.Hereinafter, the process of treating each waste in detail based on the entire process will be described.
제1공정 : 생활폐기물 처리공정First step: household waste treatment process
도 2a와 도 2b는 도 1에서 폐기물 계량공정(200)을 거친 생활폐기물이 폐기물 균질화공정(500)으로 투입되기 직전까지의 과정을 구체적으로 설명하는 블록도 및 건조피트의 단면도이다.2A and 2B are block diagrams and cross-sectional views specifically illustrating a process up to just before inputting the domestic waste that has passed through the waste metering process 200 into the waste homogenization process 500 in FIG. 1.
도 2에 도시된 바와 같이, 폐기물 계량공정(200)을 거친 생활폐기물은 종량제 봉투에 싸여져 있는 상태이므로 건조피트(312)에 투입하기 전에 파봉기(311)에 의해 파봉된다.As shown in FIG. 2, the household waste that has passed through the waste metering process 200 is enclosed in a pay-as-you-go bag so that it is broken by the bagging machine 311 before being put into the drying pit 312.
이러한 파봉과정을 거친 폐기물은 건조피트(Dry pit:312)에 투입되어 일정기간 동안 저장되고, 이 저장된 폐기물은 크레인을 통해 균질하게 혼합되면서 이후에 진행되는 폐기물 선별작업이 용이하도록 약 30%의 함수율까지 건조된다.Wastes that go through this digging process are put into dry pit (312) and stored for a certain period of time, and the stored waste is homogeneously mixed by a crane, and the water content of about 30% is facilitated to facilitate the subsequent waste sorting operation. To dry.
구체적으로, 도 2b에 도시된 바와 같이 상기 건조피트(312)는 격벽으로 구분된 3실 규모로 설치되고, 이 건조피트(312)에 최초 투입된 폐기물은 크레인을 통해 적절히 혼합되면서 제1실, 제2실 및 제3실로 순차적으로 옮겨지며 건조된다.Specifically, as shown in FIG. 2B, the drying feet 312 are installed on a three-chamber scale separated by partition walls, and the waste first introduced into the drying feet 312 is properly mixed through a crane, and thus, the first chamber and the first chamber. It is transferred to 2 and 3 chambers sequentially and dried.
이때, 폐기물의 건조시 발생되는 악취는 도시된 바와 같이 압입송풍기(318)의 흡인력을 통해 공기여과기(317) 및 압입송풍기(318)를 거쳐 소각공정(600)에서 열분해되어 처리된다.At this time, the odor generated during the drying of the waste is thermally decomposed and processed in the incineration process 600 through the air filter 317 and the press-fit blower 318 through the suction force of the press-fit blower 318 as shown.
한편, 상기 건조피트(312)는 폐기물의 열분해 과정에서 발생되는 폐열을 이용한 간접가열방식에 의해 가열된다. 즉, 상기 건조피트(312)의 외벽 및 격벽에는 온수공급장치로부터 공급되는 온수가 통과되는 다수의 온수공급관이 설치되어 있으며, 폐기물의 열분해 과정에서 회수된 폐열을 이용하여 온수를 일정온도로 가열시킨 후 온수공급장치를 통해 가열된 온수를 상기 온수공급관에 제공함으로써, 건조피트(312)의 내부를 80℃ 내외 까지 승온시켜 내부에 저장된 폐기물을 건조시킬 수 있도록 되어있다.On the other hand, the drying pit 312 is heated by an indirect heating method using waste heat generated during the pyrolysis of waste. That is, a plurality of hot water supply pipes through which the hot water supplied from the hot water supply device passes is installed on the outer wall and the partition wall of the drying pit 312, and the hot water is heated to a predetermined temperature by using the waste heat recovered during the pyrolysis of waste. After providing hot water heated through the hot water supply device to the hot water supply pipe, the interior of the drying pit 312 is heated to about 80 ℃ to dry the waste stored therein.
그리고, 상기 건조피트(312) 내의 폐기물 크레인은 이후에 진행되는 폐기물 선별작업을 보다 용이하게 할 수 있도록 건조피트(312) 내에 저장된 폐기물을 적절히 혼합하여 폐기물에 포함되어 있는 수분을 균등하게 조절하는 역할을 담당한다.In addition, the waste crane in the drying pit 312 serves to uniformly control the moisture contained in the waste by appropriately mixing the waste stored in the drying pit 312 so as to facilitate the subsequent waste sorting operation. In charge of.
이와 같은 과정을 통해 상기 건조피트(312) 내에서 일정 함수율까지 건조된 폐기물은 체선별기(313)로 투입되어 폐기물중에 함유된 불연물질을 선별한다.Through this process, the waste dried up to a predetermined moisture content in the drying pit 312 is input to the sieve sorter 313 to sort the non-combustible substances contained in the waste.
상기 체선별기(313)로는 통상 조목스크린과 세목스크린의 2단식으로 구성된 회전식 스크린(Trommel Screen) 사용되며, 이와 같은 체선별기(313)를 거치는 과정에서 폐기물에 포함된 토사, 유리, 돌등의 미세한 불연물이 선별된다.The sieve sorter 313 is typically a two-stage rotary screen (Trommel Screen) consisting of a wood screen and a small-screen screen, fine incombustibles such as soil, glass, stone, etc. contained in the waste in the process of passing through the sieve sorter 313 Is screened.
여기서, 필요에 따라서는 상기 체선별기(313)에 구비된 스크린의 간극 크기, 길이 및 직경비, 회전속도, 경사도 등을 적절하게 조절함으로써 체선별기(313)의 선별효율을 폐기물의 성상에 맞도록 조절할 수 있다.Here, if necessary, by appropriately adjusting the gap size, length and diameter ratio, rotational speed, inclination, etc. of the screen provided in the sieve sorter 313 so as to match the sorting efficiency of the sieve sorter 313 to the characteristics of the waste. I can regulate it.
이후, 상기 체선별기(313)를 거친 폐기물은 컨베이어를 통해 이송되며 작업자의 수작업에 의해 진행되는 수선별(314)을 통해 폐기물 중에 포함된 플라스틱류나 알루미늄 등이 선별된다.Thereafter, the waste that has passed through the sieve sorter 313 is transferred through a conveyor, and the sorted plastics or aluminum included in the waste are sorted through the sorting 314 performed by a worker's manual work.
이러한, 수선별(314) 단계에서는 작업자가 폐기물로부터 나오는 악취에 직접적으로 노출되므로, 악취제거를 위한 별도의 공조시스템이 설치된다.In this sorting step 314, since the worker is directly exposed to the odor coming from the waste, a separate air conditioning system for removing the odor is installed.
다음으로, 상기 수선별(314)을 거친 폐기물은 자력선별기(315)에 투입되어 상기 체선별 및 수선별을 통해 제거되지 않은 금속류가 선별되고, 이렇게 상기 자력선별기(315)를 통해 선별된 금속류는 최소 1,200㎏/㎥ 정도의 밀도를 갖도록 재생되어 재활용된다.Next, the waste that has passed through the sorting 314 is input to the magnetic sorter 315 and the metals not removed through the sorting and sorting are sorted, and the sorted metals are sorted through the magnetic sorting 315. Recycled and recycled to have a density of at least 1200 kg / m 3.
이후, 상기 자력선별기(315)를 통해 선별된 폐기물은 균질화공정(500)으로 투입되어 혼합, 건조, 파쇄된 후 소각로에서 최종적으로 연소된다.Thereafter, the waste sorted through the magnetic separator 315 is introduced into the homogenization process 500, mixed, dried and crushed, and finally burned in an incinerator.
이와 같이, 상기 체선별기(313), 수선별(314) 및 자력선별기(315)를 통한 선별과정을 거친 폐기물은 폐기물중에 포함된 불연물 및 재활용이 가능한 유기물이 선별됨으로써 최종적으로 연소에 적합한 가연물만이 남게 되므로 폐기물의 소각시 보다 우수한 열효율을 얻을 수 있을 뿐만 아니라, 소각과정에서 발생되는 유해가스의 양도 대폭 감소되어 대기오염을 줄일 수 있다.As such, the waste that has undergone the screening process through the sieve sorter 313, the water sorting 314, and the magnetic separator 315 is selected from the non-combustible and recyclable organic matter included in the waste so that only the combustibles suitable for combustion are finally obtained. As it remains, not only can the thermal efficiency be obtained better when incineration, but also the amount of harmful gases generated during the incineration process is greatly reduced, thereby reducing air pollution.
또한, 여러 단계의 선별과정을 거치면서 최종적으로 소각되는 절대 폐기물량이 현저하게 감소되어 실질적으로 매립되는 폐기물의 양도 자연히 감소시킬 수 있다.In addition, the absolute amount of waste finally incinerated during the various stages of the screening process is significantly reduced, so that the amount of waste actually buried can be naturally reduced.
제2공정 : 건축폐기물 처리공정Second Process: Construction Waste Treatment Process
도 3은 도 1에서 폐기물 계량공정(200)을 거친 건축폐기물이 폐기물 균질화공정(500)으로 투입되기 직전까지의 과정을 구체적으로 나타낸 블록도이다.FIG. 3 is a block diagram illustrating in detail the process up to just before input of the construction waste which passed through the waste measuring process 200 to the waste homogenizing process 500 in FIG. 1.
도 3에 도시된 바와 같이, 폐기물 계량공정(200)을 거친 건축폐기물은 크레인을 통해 호퍼(321)에 투입되어 일시적으로 저장됨과 동시에 균질하게 혼합된다.As shown in FIG. 3, the building waste that has undergone the waste metering process 200 is introduced into the hopper 321 through a crane, temporarily stored and homogeneously mixed.
그리고, 상기 호퍼(321)를 통해 배출되는 폐기물은 다시 컨베이어를 통해 체선별기(322)로 투입되어 폐기물중에 포함된 콘크리트, 자갈, 토사 등의 미세 불연물이 제거된다.Then, the waste discharged through the hopper 321 is again fed to the sieve sorter 322 through a conveyor to remove fine non-combustibles such as concrete, gravel, earth and sand contained in the waste.
상기 체선별기(322)를 거친 폐기물은 세립물이 제거되고 조립물만 남겨진 상태이므로 파쇄기(323)로 투입되어 일정 크기를 갖도록 파쇄된다.The waste that has passed through the sieve 322 is removed from the fines and only the granulated material is left in the crusher 323 and is crushed to have a predetermined size.
상기 파쇄기(323)를 거쳐 일정크기로 파쇄된 폐기물은 다시 풍력선별기(324)로 투입되어 폐기물중에 포함된 불연물 및 가연물을 풍력에 의해 분리하고, 불연물은 다시 자력선별기(325)에 투입하여 금속류를 제거시킨 후 나머지 폐기물은 매립장 복토재로 활용되며, 상기한 가연물은 균질화공정(500)으로 투입되어 최종적으로 소각공정(600)에서 소각처리 된다.Waste crushed to a certain size through the crusher 323 is again fed to the wind selector 324 to separate the non-combustibles and combustibles contained in the waste by the wind, the non-combustibles are added to the magnetic separator 325 again to the metals After removal, the remaining waste is used as landfill cover material, and the combustibles are introduced into the homogenization process 500 and finally incinerated in the incineration process 600.
제3공정 : 유기성폐기물 처리공정Third Process: Organic Waste Treatment Process
도 4는 도 1에서 폐기물 계량공정(200)을 거친 유기성폐기물이 폐기물 균질화공정(500)으로 투입되기 직전까지의 과정을 상세하게 나타낸 블록도이다.FIG. 4 is a detailed block diagram illustrating the process up to just before the organic waste that has passed through the waste measuring process 200 in FIG. 1 is introduced into the waste homogenizing process 500.
도 3에 도시된 바와 같이, 폐기물 계량공정(200)을 거친 유기성폐기물(이하 '슬러지'라 한다.)은 호퍼(331)에 투입되어 일시적으로 저장, 혼합된다.As shown in FIG. 3, the organic waste (hereinafter referred to as 'sludge') that has passed through the waste measuring process 200 is introduced into the hopper 331 and temporarily stored and mixed.
여기서, 상기 슬러지는 통상 하수처리장 등지에서 함수율 약 80% 전후의 탈수 케이크(cake) 형태로 반입되며, 후술되는 건조기(332)를 통해 건조된 후 호퍼(331)에 투입되는 함수율 약 10% 정도의 슬러지와 함께 혼합된다.Here, the sludge is usually carried in the form of a dehydration cake of about 80% water content in a sewage treatment plant or the like, and dried through a dryer 332 to be described later, and then introduced into the hopper 331 of about 10% water content. It is mixed with the sludge.
상기 호퍼(331)를 거친 폐기물은 건조기(332)에 투입되어 최초 함수율 약 80%의 습슬러지 상태로부터 함수율 약 10%정도 될 때까지 건조된다.The waste that has passed through the hopper 331 is introduced into the dryer 332 and dried from the wet sludge of the initial moisture content of about 80% to about 10% water content.
이때, 상기 건조기(332) 내에서 폐기물의 건조에 사용되는 열원으로서는 전용연소로(337)로부터 회수되는 폐열이 이용되며, 이 폐열에 의한 열풍으로 건조기(332) 내의 폐기물을 직접적으로 가열하는 직접 가열방식을 채용하고 있다.At this time, waste heat recovered from the dedicated combustion furnace 337 is used as a heat source used for drying waste in the dryer 332, and direct heating for directly heating the waste in the dryer 332 by hot air by the waste heat. I adopt the method.
그리고, 상기 건조기(332)를 통해 나온 건조상태의 슬러지는 체선별기(333)로 투입되고, 여기서 다시 크기 별로 선별되어 직경 4mm이하의 건조슬러지는 별도의 전용연소로(337)에서 소각되거나 균질화공정(500)으로 투입되어 최종적으로 소각공정(600)에서 소각되기도 한다.And, the sludge in the dry state coming out through the dryer 332 is introduced into the sieve sorter 333, where it is again sorted by size and the dry sludge having a diameter of 4 mm or less is incinerated or homogenized in a separate dedicated combustion furnace 337. Injected to 500 may be finally incinerated in the incineration process (600).
그러나, 직경 4mm이상의 건조슬러지는 분쇄기(334)로 보내져 분쇄된 후 상기 호퍼(331)에 투입되는 최초 슬러지와 혼합되는 과정을 반복하게 된다.However, the dry sludge having a diameter of 4 mm or more is repeatedly sent to the grinder 334 to be pulverized and mixed with the first sludge introduced into the hopper 331.
이때, 상기 전용연소로(337)는 배기가스를 직접 건조에 투입되는 열풍으로 이용함으로써 상대적으로 높은 열회수율을 얻을 수 있는 싸이클론 방식을 채용하여, 별도의 보조연료 사용 없이도 건조기(332)의 열원으로서 사용 가능하다.At this time, the dedicated combustion furnace 337 employs a cyclone method that can obtain a relatively high heat recovery rate by using the exhaust gas as hot air directly injected into the drying, the heat source of the dryer 332 without using a separate auxiliary fuel It can be used as.
또한, 상기 건조기(332)에서 폐기물의 건조시 발생되는 악취는 압입송풍기(336)의 흡인력에 의해 공기여과기(335) 및 상기 압입송풍기(336)를 거쳐 전용연소로(337)에 보내져 약 850℃의 높은 온도에서 태워지기 때문에, 악취 발생이 전혀 유발하지 않으며 대기오염 방지시설에 의해 대기환경 기준치 이하로 충분히 만족시킬 수 있다.In addition, the odor generated when the waste is dried in the dryer 332 is sent to the dedicated combustion furnace 337 through the air filter 335 and the press-in blower 336 by the suction force of the press-in blower 336, and is about 850 ° C. Because it is burned at high temperature, it does not cause any odor and it can satisfy satisfactorily below atmospheric standard by air pollution prevention facilities.
제4공정 : 가내폐기물 처리공정4th process: home waste treatment process
도 5는 도 1에서 폐기물 계량공정(200)을 거친 가내폐기물이 폐기물 균질화공정(500)으로 투입되기 직전까지의 과정을 구체적으로 나타낸 블록도이다.FIG. 5 is a detailed block diagram illustrating a process up to just before input of the domestic waste that has passed through the waste metering process 200 into the waste homogenization process 500 in FIG. 1.
도 5에 도시된 바와 같이, 폐기물 계량공정(200)을 거쳐 계량된 폐합성수지, 직물류 등이 함유된 가내폐기물은 호퍼(341)에 투입되어 크레인에 의해 균질하게 혼합된 후 콘베이어를 통해 자력선별기(342)로 이송되어 폐기물 중에 포함된 금속류를 선별하게 된다.As shown in FIG. 5, the home waste containing waste synthetic resin, fabrics, etc., measured through the waste metering process 200 is introduced into a hopper 341 and homogeneously mixed by a crane, and then a magnetic separator through a conveyor ( 342) to sort the metals contained in the waste.
이와 같이, 상기 자력선별기(342)를 거치면서 금속류가 제거된 폐기물은 다시 밸트 컨베이어를 통해 파쇄기(343)로 이송되어 일반적으로 전단파쇄 또는 압축파쇄 방식에 의해 일정크기를 갖도록 파쇄된 후 폐기물 균질화공정(500)으로 투입되어 혼합, 건조, 파쇄되고 최종적으로 소각공정(600)에서 소각처리 된다.As such, the waste from which metals are removed while passing through the magnetic separator 342 is transferred back to the crusher 343 through a belt conveyor, and is generally crushed to have a predetermined size by a shear crushing or compression crushing method. Injected to 500, mixed, dried, crushed and finally incinerated in an incineration process (600).
제5공정 : 소각재 처리공정5th Process: Incineration Ash Treatment Process
도 6은 본 발명에 의한 매립장 반입 폐기물 중 소각재의 처리과정을 단계별로 설명하는 볼록도이다.6 is a convex diagram illustrating a step-by-step process of incineration ash in landfill-loaded waste according to the present invention.
전술한 도 1에서 나타낸 매립장 반입 폐기물 중에는 일반적으로 이미 소각된소각잔재 형태로 반입되는 소각재가 더 포함되며 처리과정은 아래와 같다.Among the landfill-loaded wastes shown in FIG. 1 described above, incinerator ash generally carried in the form of incineration residues already incinerated is further included, and the processing is as follows.
매립지에 최초 반입된 소각재는 다른 종류의 폐기물과 같이 폐기물 계량공정(200)을 거쳐 중량을 계량한 다음, 호퍼(351)에 투입되어 일시적을 저장된다.The incineration ash first introduced into the landfill is weighed through the waste metering process 200, like other types of waste, and then put into the hopper 351 to be temporarily stored.
이때, 상기 호퍼(351)에는 상기 최초 투입 소각재와 더불어서 전술한 생활폐기물, 유기성폐기물, 건축폐기물, 가내폐기물의 최종적인 처리과정인 소각공정 후 발생되는 내부처리 소각재가 함께 투입되고, 상기 최초반입 소각재와 내부처리 소각재는 호퍼(351)에 상호 균질하게 혼합된다.At this time, the hopper 351 is injected together with the first incineration ash, and the internally treated incineration ash generated after the incineration process, which is the final treatment process of the above-mentioned household waste, organic waste, construction waste, and household waste, is added together with the first incineration ash. And the internal incineration ash are mixed homogeneously with the hopper 351.
상기 호퍼(351)를 통해 혼합된 소각재는 이후 건조기(352)로 이송되어 소성을 위한 적정 함수율로 건조된 후에 소성설비(353)에서 최종적으로 용융 또는 첨가물의 혼합을 통해 중금속 용출 방지처리를 한 후 도로기층재, 건축자재 등으로 재활용된다. 이에 따라, 소각재의 직매립에 의한 중금속의 용출을 미연에 방지할 수 있다.The incineration material mixed through the hopper 351 is then transferred to the dryer 352 and dried at an appropriate moisture content for firing, and finally, in the calcination plant 353, after the heavy metal dissolution prevention treatment through melting or mixing of additives. It is recycled into road substrates and building materials. Thereby, the elution of the heavy metal by the direct embedment of an incineration ash can be prevented beforehand.
이상에서 설명한 본 발명에 따르면, 매립지로 반입되는 각종 폐기물을 건조, 선별하는 과정을 통해 재활용이 가능한 유용물을 분리하여 재사용하며, 연소화할 수 있는 가연물의 량도 최소화 형태로 처리하고, 이를 다시 균질화시켜 연료로서의 효율을 높일 수 있는 형태로 재생하여 최종적으로 소각 처리함으로써, 폐기물의 소각시 보다 우수한 열효율을 가지며 연소시킬 수 있고, 또한 최종적으로 소각되는 가연성 폐기물에 포함된 불순물의 함량이 적으므로 소각과정에서 발생되는 유해가스의 양도 대폭 줄어들기 때문에 배출가스에 의한 대기오염을 최소화할 수 있다.According to the present invention described above, through the process of drying and sorting the various wastes brought into the landfill, the reusable useful materials are separated and reused, and the amount of combustibles that can be combusted is also treated in a minimized form, and homogenized again. By incineration and finally incineration to improve efficiency as a fuel, which can be burned with better thermal efficiency than incineration of waste, and also because the content of impurities contained in the combustible waste finally incinerated is small. In addition, the amount of harmful gas generated by the gas is greatly reduced, thereby minimizing the air pollution caused by the emitted gas.
또한, 여러 단계의 선별과정을 거치면서 최종적으로 소각되는 절대 폐기물량이 현저하게 감소되어 실질적으로 매립되는 폐기물의 양도 자연히 감소되기 때문에 매립부지의 안정적, 효율적 활용에도 크게 기여할 수 있다.In addition, the absolute amount of waste finally incinerated during the various stages of the screening process is significantly reduced, so that the amount of waste actually buried is naturally reduced, which can greatly contribute to the stable and efficient use of the landfill site.
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