KR100760722B1 - Tunnel type food waste drying treatment device and method using waste heat - Google Patents
Tunnel type food waste drying treatment device and method using waste heat Download PDFInfo
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- KR100760722B1 KR100760722B1 KR1020060036469A KR20060036469A KR100760722B1 KR 100760722 B1 KR100760722 B1 KR 100760722B1 KR 1020060036469 A KR1020060036469 A KR 1020060036469A KR 20060036469 A KR20060036469 A KR 20060036469A KR 100760722 B1 KR100760722 B1 KR 100760722B1
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- 238000001035 drying Methods 0.000 title claims abstract description 93
- 239000010794 food waste Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002918 waste heat Substances 0.000 title claims abstract description 11
- 239000002699 waste material Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 235000013339 cereals Nutrition 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000013505 freshwater Substances 0.000 claims abstract description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 4
- 235000009566 rice Nutrition 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims abstract description 4
- 240000007594 Oryza sativa Species 0.000 claims abstract 2
- 238000000746 purification Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000010813 municipal solid waste Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 abstract 1
- 238000004056 waste incineration Methods 0.000 abstract 1
- 238000007373 indentation Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 235000013324 preserved food Nutrition 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
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Classifications
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- 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
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- 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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
이 발명은 폐열 이용 터널방식 음식물쓰레기 건조처리장치 및 방법에 관한 것으로서, 더 상세히는 음식물 쓰레기를 곡물쓰레기, 기타쓰레기로 분리하여 폐열을 이용하여 저함수율로 건조시키는 폐열 이용 터널방식 음식물쓰레기 건조처리장치 및 방법에 관한 것이다.The present invention relates to a tunnel-type food waste drying apparatus and method using waste heat, and more particularly, to waste food waste-drying tunnel-type food waste drying apparatus for separating food waste into grain waste and other waste to dry it at low water content using waste heat. And to a method.
음식물쓰레기의 압출액 배출을 최대한 억제하기 위해, 장치는 음식물쓰레기 이송 컨베어, 세척선별회전드럼, 절단장치, 내부에 건조회전드럼 및 건조 컨베어가 부설되어 이루어지는 터널방식으로 되는 건조장치로서 구성되고, 이물질을 제거시킨 음식물쓰레기를 강철망으로 이루어진 세척선별회전드럼에 이송시켜 청수를 분사하여 염분을 씻어내리면서 밥알이 주가 되는 곡물쓰레기와 기타쓰레기로 분리하여 곡물쓰레기는 그대로 터널건조장치로 이송시키며, 기타쓰레기는 절단처리를 행하여 동일 터널 건조장치에 함께 이송시키거나, 혹은 각각의 터널건조장치에 이송시키고, 폐기물 소각에서 발생한 폐열을 공급받아 열풍으로 압입시켜 15% 이하의 함수율로 건조시키며, 한편 세척에 사용한 분사오염수와 건조과정에서 발생한 수증기를 냉각시킨 냉각수를 정화처리하여 배출하는 터널방식의 건조처리장치를 제공한다.In order to minimize the discharge of food waste from the food waste, the device is configured as a food waste conveying conveyor, a washing sorting drum, a cutting device, and a tunneling drying device in which a drying rotating drum and a drying conveyor are installed therein. Transfer the food waste to the washing sorting drum made of steel net and spray fresh water to wash down the salt and separate it into grain waste and other waste, which are mainly rice grain, and transfer the grain waste to the tunnel drying device. The wastes are cut and transported together to the same tunnel drying device or to each tunnel drying device, and the waste heat generated from the waste incineration is fed into hot air to be pressed into the hot air and dried at a water content of 15% or less. Used sprayed contaminated water and water vapor generated during drying By purifying the gaksu provides a tunnel system of the drying processing apparatus for discharge.
음식물쓰레기, 터널방식, 건조장치, 곡물쓰레기, 기타쓰레기, 폐열이용 Food waste, tunnel method, drying equipment, grain waste, other waste, waste heat use
Description
도 1은 건조처리장치의 연결도 1 is a connection diagram of the drying treatment apparatus
도 2는 건조회전드럼 상세도 Figure 2 is a detailed view of the drying drum
도 3은 건조회전드럼에 부설된 분산날개 상세도 Figure 3 is a detailed view of the dispersing wing attached to the drying drum
〈도면의 주요부분에 대한 부호의 설명〉 <Explanation of symbols for main parts of drawing>
T: 제1터널방식 건조장치 T-1: 제2터널방식 건조장치 T: First Tunnel Dryer T-1: Second Tunnel Dryer
D: 세척선별회전드럼 D-1: 이송 컨베어 D: Cleaning sorting drum D-1: Transfer conveyor
D-2: 하부 이송컨베어 D-3: 절단장치 D-2: Lower conveying conveyor D-3: Cutting device
C: 제1건조회전드럼 C-1: 제2건조회전드럼 C: 1st dry rotating drum C-1: 2nd dry rotating drum
C-2: 수증기 이송관 C-3: 흡입이송팬 C-2: Steam Transfer Pipe C-3: Suction Feed Fan
C-4: 배출로 1·2·3·4 건조컨베어 C-4: 1, 2, 3, 4 Drying Conveyor
C-5: 냉각장치 C-6: 투입구 C-5: Chiller C-6: Inlet
F: 열 공급원 F-1: 송풍장치 F: heat source F-1: blower
F-2·F-3·F-4·F-5: 열풍압입관 F-6: 열 이송관 F-2, F-3, F-4, F-5: Hot air inlet pipe F-6: Heat transfer pipe
W: 집수조 W-1: 정화처리장치 W: sump tank W-1: purifier
P·P-1 분산날개 G : 분쇄기 P · P-1 Dispersion Wing G: Grinder
이 발명은 폐열 이용 터널방식 음식물쓰레기 건조처리장치 및 방법에 관한 것으로서, 더 상세히는 음식물 쓰레기를 곡물쓰레기, 기타쓰레기로 분리하여 폐열을 이용하여 저함수율로 건조시키는 폐열 이용 터널방식 음식물쓰레기 건조처리장치 및 방법에 관한 것이다. The present invention relates to a tunnel-type food waste drying apparatus and method using waste heat, and more particularly, to waste food waste-drying tunnel-type food waste drying apparatus for separating food waste into grain waste and other waste to dry it at low water content using waste heat. And to a method.
종래의 기술로서, 음식물 쓰레기 건조처리방법의 예를 보면, 장치는 이송컨베어, 분쇄기, 압출기, 건조기 등으로 구성되고, 반입된 음식물쓰레기를 그대로 컨베어로 이송하면서 이물질을 제거한 후, 분쇄기에 이송시켜 청수를 분사하면서 압착에 준하는 미세분쇄처리를 행하고, 다시 압출기에 이송시켜 고형물과 압출액으로 분리 토출시키며, 분리된 고형물은 함수율을 저감시키기 위해 가스, 또는 전기를 열원으로 하는 건조처리를 행한 후, 수요처에 반출하며, 한편 분쇄과정에서 사용된 분사수 등에 의한 오염수 및 압출액의 혼합수는 해양투기를 행한다.As a conventional technique, in the example of the food waste drying treatment method, the apparatus is composed of a conveying conveyor, a pulverizer, an extruder, a dryer, and the like. The fine grinding treatment according to the pressing is carried out while spraying, and the liquid is transferred to the extruder and separated and discharged into solids and extrudates. The separated solids are subjected to a drying process using gas or electricity as a heat source in order to reduce the moisture content. The mixed water of the contaminated water and the extruded liquid by the sprayed water or the like used in the grinding process is subjected to ocean dumping.
그런데, 미세분쇄 및 압출장치에서 압착을 행하기 때문에 음식물 쓰레기의 70% 정도가 압출액이 되어 배출되며, 더욱이 처리과정에서 사용한 분사수와 혼합해도 수질이 BOD·COD·부유물질(SS) 기준으로 적게는 수만 - 십만 ppm에 가까운 고농도로서 정화처리가 어렵고, 이로 인해 해양투기를 하여 왔으나, 해양투기가 금지되게 되어 정화처리를 행하여야 하는데 정화처리에는 많은 비용이 소요되며, 또 건조처리에 있어서도 가스, 또는 전기를 열원으로 사용함으로 비용이 많이 소요되는 문제점을 지니고 있다.However, since the fine grinding and extrusion is performed, about 70% of the food waste is discharged as an extruding liquid. Moreover, even if mixed with the sprayed water used in the treatment process, the water quality is based on BOD, COD and SS. It is difficult to purify at low concentrations of as few as tens of thousands-100,000 ppm, and this has led to ocean dumping, but it has been necessary to carry out purification because ocean dumping is prohibited. Using electricity as a heat source, or has a costly problem.
이 발명은 위에서 본 문제점을 해결하기 위해, 음식물쓰레기의 압출액 배출을 최대한 억제시켜 오염 농도를 줄여서 정화처리를 행하고, 음식물 쓰레기를 저 함수율로 건조시켜 분쇄를 가능하게 하여 재활용이 용이하게 하는데 목적이 있다.In order to solve the above problems, the present invention is to suppress the discharge of the food waste as much as possible to reduce the pollution concentration to perform the purification process, and to dry the food waste at a low moisture content to enable the pulverization to facilitate recycling. have.
상기의 목적을 달성시키기 위해서, 음식물쓰레기에 포함된 이물질은 컨베어 이송과정에서 제거하여 둘레가 강철망으로 이루어진 세척선별회전드럼에 이송하며, 세척선별회전드럼에서 음식물쓰레기에 청수를 분사하여 염분을 씻어내면서 밥알이 주가되는 곡물쓰레기는 망을 빠져나오게 하여 곡물쓰레기와 기타쓰레기로 분리시키고, 분리된 곡물쓰레기는 바로 터널방식으로 된 건조장치로 이송시키며, 기타쓰레기만을 절단장치로 이송시켜 단순절단을 행하여 건조장치로 이송하는데, 이때 곡물쓰레기와 기타쓰레기를 함께 터널방식으로 된 건조장치에 이송·투입하거나, 또는 각각 별도의 터널방식으로 된 건조장치에 이송·투입시키고, 터널방식으로 된 건조장치에는 외부에서 고온의 열을 공급받는 송풍장치를 작동하여 열풍을 압입시켜 15% 이하의 함수율로 건조시켜 배출시키도록 하며, 한편 건조과정에서 발생하는 수증기는 냉각하여 냉각수로 환원시키고, 이 냉각수와 분사에 사용한 오염수는 함께 정화처리하여 방류시킨다.In order to achieve the above object, the foreign matter contained in the food waste is removed in the conveyer conveying process and transported to the washing sorting rotating drum made of steel mesh around the circumference, and spraying fresh water to the food waste in the washing sorting rotating drum to wash the salt. Grain trash, which is mainly used for rice grains, is taken out of the net and separated into grain trash and other trash, and the separated grain trash is immediately transferred to the tunnel-type drying device, and only other trash is transferred to the cutting device for simple cutting. In this case, grain and other wastes are transported and introduced together into the tunnel-type drying device, or each is transported and introduced into a separate tunnel-type drying device, and external to the tunnel-type drying device. Operate blower that receives high temperature heat in And dried with the water content and to the discharge, while the water vapor generated in the drying process, and reduction in the cooling water to the cooling, be contaminated with the coolant and the spray is then discharged to the purification treatment together.
이상과 같은 처리과정을 거침으로서, 음식물쓰레기에서 압출액 배출은 억제되어 정화처리가 용이하게 되며, 한편 음식물쓰레기는 저함수율로 건조되어 분쇄가 가능하여 재활용이 용이하고, 또 장기 보관이 가능하게 된다.By going through the above process, the discharge of the extruded liquid from the food waste is suppressed to facilitate the purification treatment, while the food waste is dried at low water content and can be crushed to facilitate recycling and long-term storage. .
도 1은 건조처리장치의 연결도로서, T는 제1터널방식 건조장치, T-1는 제2터널방식 건조장치로서, 양 터널방식 건조장치는 동일 형이며, 양 측면 및 상부 면은 보수를 위해 개폐가 용이하도록 되면서 단열처리가 되고, 제1터널방식 건조장치는 음식물쓰레기가 투입되는 투입구(C-6)를 통해서 절단장치(D-3)에 연결되며, 제2터널방식 건조장치는 투입구(C-6)를 통해서 하부 이송컨베어(D-2)와 연결되고, 각 터널방식 건조장치 상부 측에는 건조과정에서 발생한 수증기를 흡입하여 냉각장치(C-5)로 강제 이송시키는 흡입이송팬(C-3) 및 열풍압입관(F-2·F-3·F-4·F-5)이 부설되어 있으며, 이 열풍 압입관은 송풍장치(F-1)에 연결되어 있고, 이 송풍장치는 열 이송관(F-6)을 통해서 외부의 열 공급원(F)에 연결되게 되며, 터널방식 건조장치 후미에는 건조처리된 음식물쓰레기를 배출하는 배출로(C-4)가 부설되어 있고, 이 배출로는 소요의 통로를 통해서 분쇄기(G)로 연결되어 있으며, 터널방식 건조장치 내부에는 건조를 행하는 건조회전드럼 및 건조 컨베어가 내장부설되어 있다.1 is a connection diagram of a drying apparatus, wherein T is a first tunnel type drying apparatus, T-1 is a second tunnel type drying apparatus, and both tunnel type drying apparatuses are the same type, and both sides and the upper surface thereof are repaired. For easy opening and closing, heat treatment is performed, and the first tunnel drying device is connected to the cutting device (D-3) through an inlet (C-6) through which food waste is input, and the second tunnel drying device is an inlet. (C-6) is connected to the lower conveying conveyor (D-2), the suction conveying fan (C) for suctioning the water vapor generated during the drying process on the upper side of each tunnel type drying apparatus forcibly transferred to the cooling device (C-5) -3) and hot air press-fit pipes (F-2, F-3, F-4, F-5) are installed, and this hot air press-fit pipe is connected to the blower (F-1). It is connected to the external heat source (F) through the heat transfer pipe (F-6), the dried food waste at the rear of the tunnel-type drying device A discharge path (C-4) for discharging is installed, and this discharge path is connected to a grinder (G) through a required passage, and a drying rotary drum and a drying conveyor for drying are installed inside the tunnel type drying device. It is.
C·C-1은 동일 형의 건조회전드럼으로서, C는 제1건조회전드럼, C-1은 제2건조회전드럼이고, 내부에 분산날개가 부설되고, 1·2·3·4는 미세한 메시의 강철 망으로 이루어진 건조 컨베어이며, 1은 제1건조컨베어로서 제1건조회전드럼에 연결되고, 2는 제2건조컨베어로서 제1건조회전드럼과 제2건조회전드럼을 연결하며, 3은 제3건조컨베어로서 제2건조회전드럼과 제4건조컨베어를 연결하고, 4는 제4건조컨베어로서 제3건조컨베어에 연결되어 배출로에 연결되어 있으며, 건조회전드럼과 건조컨베어의 위치는 서로 바꿀 수 있으며, 투입되는 음식물쓰레기는 이 건조 컨베어 및 건조회전드럼을 통과하면서 건조되게 되고, C-5는 냉각장치로서 흡입이송팬(C-3)에서 이송시키는 수증기를 냉각시켜 냉각수로 환원시키며, C-2는 흡입이송팬과 냉각장치(C-5)를 연결하는 수증기 이송관이다.C · C-1 is the same type of dry rotating drum, C is the first dry rotating drum, C-1 is the second dry rotating drum, dispersing blades are provided inside, and 1 · 2 · 3 · 4 is fine A drying conveyor made of mesh steel mesh, 1 is a first drying conveyor connected to the first dry rotating drum, 2 is a second drying conveyor connecting the first dry rotating drum and the second dry rotating drum, and 3 is The 3rd drying conveyor connects the 2nd dry rotating drum and the 4th drying conveyor, 4 is the 4th dry conveyor connected to the 3rd drying conveyor, and it is connected to the discharge path, and the position of the dry rotating drum and the drying conveyor is mutually It is possible to change, and the food waste to be introduced is dried while passing through this drying conveyor and drying rotary drum, and C-5 is a cooling device to cool down the water vapor transferred from the suction feed fan (C-3) to reduce the cooling water, C-2 connects suction feed fan and cooling device (C-5). A vapor transport pipe.
상기에서 터널방식 건조장치에 내장부설되는 건조회전드럼 및 건조컨베어의 개수는 서로 늘리고 줄이는 조정이 가능하며, 또는 추가로 증가시킬 수도 있다.The number of drying drums and drying conveyors embedded in the tunnel type drying apparatus may be increased or decreased with each other, or may be further increased.
F는 열 공급원이며, 이 열 공급원은 폐기물 소각장치의 폐열, 가연성 폐기물의 가연성가스를 연소시키는 열, 또는 가스 등에 의한 열 등이 될 수 있고, F-1은 송풍장치이며, F-6은 송풍장치와 열 공급원을 연결하는 열 이송관이며, F-2·F-3·F-4·F-5는 송풍장치에 연결된 열풍 압입관이고, F-2은 1단계 열풍 압입관, F-3는 2단계 열풍 압입관, F-4는 3단계 열풍 압입관, F-5는 4단계 열풍 압입관으로서 각 단계별로 열풍의 압입량이 조절된다.F is a heat source, which may be waste heat of a waste incinerator, heat for burning combustible gas of a flammable waste, or heat by gas, etc., F-1 is a blower, and F-6 is a blower F-2, F-3, F-4 and F-5 are hot air press-fit pipes connected to the blower, F-2 is a one-stage hot air press-fit pipe, F-3 Is a two-stage hot air indentation tube, F-4 is a three-stage hot air indentation tube, F-5 is a four-stage hot air indentation tube, and the inlet amount of hot air is adjusted at each stage.
D는 세척선별회전드럼으로서, 둘레는 미리 정한 메시의 강철망으로 되고, 내부에는 이송 작용을 하는 나선형 철판이 둘레 망에 접합·부설되며, 가운데에 청수 분사노즐이 부설되어 이송되는 음식물 쓰레기에 청수를 분사하여 음식물 쓰레기의 염분을 씻어내리고, D-1은 이송 컨베어로서, 음식물 쓰레기를 세척선별회전드럼으로 이송하는데, 이송중에 이물질을 제거하게 되며, D-2는 세척선별회전드럼의 하부에 부설된 하부 이송컨베어로서, 이 컨베어는 미세 강철망으로 이루어지고, 세척선별회전드럼의 망을 통해서 낙하되는 곡물쓰레기를 받게되며, 이 작동에 의해서 곡물쓰레기와 기타쓰레기로 분리되고, 낙하 된 곡물쓰레기는 제2터널방식 건조장치 투입구로 이송시키게 되고, 곡물쓰레기와 같이 낙하된 분사오염수는 집수조로 흘러 내리게 된다. D is a washing sorting drum, and the circumference is made of steel mesh of a predetermined mesh, and a spiral iron plate for conveying action is bonded and laid on the circumferential mesh, and the fresh water spray nozzle is placed in the center to clean the food waste. D-1 is used to wash down the salinity of food waste, and D-1 is a conveying conveyor, which transports food waste to the washing sorting drum, which removes foreign substances during transport, and D-2 is placed at the bottom of the washing sorting drum. As a lower conveying conveyor, this conveyor is made of fine steel mesh, and receives grain waste falling through the mesh of washing sorting rotating drum, which is separated into grain waste and other waste by this operation. It is transferred to the second tunnel type drying apparatus inlet, and dropped sprayed contaminated water, such as grain waste, flows into the sump.
W는 이송 컨베어(D-1) 및 세척선별회전드럼(D) 하부에 부설되어 있는 집수조로서, 세척선별회전드럼(D)에서 흘러내리는 세척에 사용된 분사오염수 등을 집수하고, W-1은 정화처리장치로서, 집수조에 집수 된 오염수를 유입시켜 정화처리를 행하게 되고, D-3는 절단장치로서, 세척선별회전드럼에서 이송되어 오는 기타쓰레기를 절단하여 제1터널방식 건조장치로 이송한다.W is a water collecting tank installed under the conveying conveyor (D-1) and the washing sorting drum (D), and collects the polluted water used for washing flowing down from the washing sorting drum (D), and W-1. Is a purification treatment device, and the contaminated water collected in the collection tank is purged, and D-3 is a cutting device that cuts the other garbage from the washing sorting rotary drum and transfers it to the first tunnel drying device. do.
도 2는 건조회전드럼(C·C-1)의 상세도로서, 이 회전 드럼은 내열 강재판에 미세구공이 가공되어 이루어진 원통형이며, 내부에는 다수 개의 분산날개가 부착되는데, P는 길이 15-20cm 폭 5cm의 평판 분산날개이고, P-1은 길이 15-20cm 폭 7cm 의 평판을 가운데서 135도 각으로 절곡시킨 절곡 분산날개이고, 이 분산날개(P·P-1)는 건조회전드럼 면에 길이로 직각이 되게 접합되는데, 도시된 바와 같이 열을 이루면서 경사지게 접합되며, 평판 분산날개(P) 열, 절곡 분산날개(P-1) 열로 교차 된다.Figure 2 is a detailed view of the drying drum (C · C-1), the rotating drum is a cylindrical formed by processing the micro-pores on the heat-resistant steel plate, a plurality of dispersing wings are attached inside, P is 15-20cm in length Dispersion blade of 5cm in width, P-1 is a bending dispersion blade which is bent at a angle of 135 degrees in the middle of a plate of 15-20cm in width and 7cm in width. They are bonded at right angles to each other, and are joined at an angle to form a row as shown in the figure, and are intersected by a plate spreading blade (P) row and a bending spreading blade (P-1) row.
도 3은 건조회전드럼에 부설된 분산날개 상세도로서, A·B는 하부면을 표시한 것이고, A-1·B-1은 건조회전드럼을 말하며, 화살표는 회전방향을 표시한 것이고, A-1 건조회전드럼에서, P는 하부에 기점을 둔 평판 분산날개로서, a-1·a-2·a-3는 평판 분산날개가 회전에 의해서 이동한 지점에서의 모양을 보여주며, S는 음식물쓰레기로서, 투입되는 음식물쓰레기가 평판날개에 담겨서 이송되어 낙하되는 모양을 설명하고 있고, 이 도에서는 음식물쓰레기가 우측으로만 낙하되는 것으로 보이지만 이 분산날개는 길이 후미측으로 45도 각으로 경사지게 접합되어 있어 a-1 지점에서는 후미측으로 상당한 양이 낙하 분산되고, a-2·a-3 지점에서 잔량이 우측으로 낙하분산되며, 이러한 낙하분산 작동이 반복됨으로서 음식물쓰레기는 후미측으로 이송이 이루어지게 되고, B-1 건조회전드럼에서도 A-1 건조회전드럼에서와 같은 작동이 이루어지며, 다만 분산날개 중간에서 135도 각으로 절곡되어 분산날개에 담겨진 음식물쓰레기의 낙하지점이 회전방향으로 더 이동되어져서 우측 낙하가 행하여 지는 것을 보여주고 있다.Figure 3 is a detailed view of the dispersing blades laid on the dry rotating drum, A · B is the bottom surface, A-1 · B-1 is the dry rotating drum, arrows indicate the rotation direction, A In the -1 dry rotating drum, P is the flat plate dispersing vane starting from the bottom, a-1 · a-2 · a-3 shows the shape at the point where the plate dispersing vanes move by rotation, and S is As the food waste, the food waste that is introduced is transported in a flat blade to be transported and dropped. In this figure, the food waste appears to fall only on the right side, but the scattering wing is inclined at an angle of 45 degrees to the rear end of its length. In the a-1 point, a considerable amount is dropped and dispersed to the rear side, and the remaining amount falls and disperses to the right side at the a-2 · a-3 point, and the food dispersion is transported to the rear side by repeating this drop dispersion operation.The same operation as in the A-1 dry rotating drum is performed in the B-1 dry rotating drum, except that the falling point of the food waste contained in the dispersing wing is bent at an angle of 135 degrees from the middle of the dispersing wing to the right. The drop is shown.
상기에서 분산날개의 각도를 135도 이내로 줄이면 낙하 지점은 회전방향으로 더 이동해서 낙하되며, 고르게 낙하분산을 하기 위해서 같은 열에서 다른 각도의 날개를 혼합하거나, 새롭게 분산날개 열을 만들 수도 있다.When the angle of the dispersing blade is reduced to within 135 degrees, the drop point moves further in the rotational direction and falls, and the blades of different angles may be mixed in the same row, or a new dispersal blade row may be formed in order to evenly disperse the falling blade.
상기에서 후미측으로 이송 낙하의 양을 조절하기 위해서는 45도인 각도를 45도 이내로 조정할 수 있다. In order to adjust the amount of the conveyance drop to the rear side in the above it can be adjusted to an angle of 45 degrees within 45 degrees.
상기에서 분산날개의 크기는 건조회전드럼의 크기에 따라서 조정되며, 그 개수도 조정될 수 있다.The size of the dispersal wing is adjusted according to the size of the drying drum, the number can also be adjusted.
상기와 같이 구성된 실시 예의 작동에 대하여 설명한다.The operation of the embodiment configured as described above will be described.
이 예는 열원이 폐기물 소각장치가 되며, 소각과정에서 발생한 폐열을 공급받아서 열풍으로 압입시킨다.In this example, the heat source is a waste incinerator, and receives the waste heat generated during the incineration process and presses it into the hot air.
장치를 작동시키면 송풍장치(F-1)는 작동하여 양 터널방식 건조장치 내부로 열풍이 압입되어 터널방식 건조장치 내부는 가열된다.When the device is operated, the blower (F-1) is operated to inject hot air into both tunnel-type dryers and the inside of the tunnel-type dryers is heated.
음식물쓰레기를 이송 컨베어(D-1)에 탑재시켜 이물질을 제거하며, 이물질이 제거된 음식물쓰레기는 세척선별회전드럼(D)으로 이송되고, 이송된 음식물쓰레기는 분사장치에서 청수가 분사되어 세척되면서 염분이 씻겨지며, 한편 밥알이 주가 되는 곡물쓰레기는 분사오염수와 함께 망을 통과하여 하부로 빠져나와 하부 이송 컨베어(D-2) 상에 낙하 됨으로서 곡물쓰레기와 기타쓰레기로 분리되고, 분사오염수는 미세 강철망으로 된 하부 이송 컨베어(D-2)를 통과하여 집수조로 흘러들어가며, 한편 세척선별회전드럼(D)의 망을 통과하지 못한 기타쓰레기는 절단장치(D-3)로 이송·절단되어 제1터널방식 건조장치로 이송되고, 하부의 이송컨베어로 낙하된 곡물쓰레기는 제2터널방식 건조장치로 이송되며, 각 터널방식 건조장치로 이송되는 음식물쓰레기의 함수율은 90% 전후가 된다.The food waste is mounted on the conveying conveyor (D-1) to remove foreign substances, and the food waste from which foreign substances have been removed is transferred to the washing sorting drum (D), and the transported food waste is sprayed with fresh water from the injector and washed. The salt is washed away, and grains, which are mainly rice grains, are separated by grains and other wastes by passing through the net with sprayed contaminated water and falling down to the lower conveying conveyor (D-2). Passes through the lower conveying conveyor (D-2) made of fine steel mesh and flows into the sump, while other wastes that do not pass through the mesh of the washing sorting rotating drum (D) are transported and cut by the cutting device (D-3). The grain is dropped into the first tunnel type drying apparatus, and the grain waste dropped to the lower conveying conveyor is transferred to the second tunnel type drying apparatus, and is a function of food waste transferred to each tunnel type drying apparatus. The rate is around 90%.
터널방식 건조장치는 열풍압입으로 미리 정한 온도로 가열되어 있으며, 이송된 음식물쓰레기는 앞쪽에 위치한 제1건조컨베어(1)로 투입되고, 제1열풍압입관(F-2)에서 압입되는 열풍에 의해서 건조가 진행되면서 이송되어 제1건조회전드럼으로 투입되며, 제2열풍압입관(F-3)에서 열풍이 집중적으로 압입되고, 건조회전드럼의 회전 작동에 의해서 건조회전드럼에 투입된 음식물쓰레기는 하부에서 분산날개(P·P-1)에 담겨 회전되어 상부로 올라가면서 각각 다른 지점에서 후미측 및 옆쪽으로 낙하·분산되고, 낙하되는 음식물쓰레기는 열풍과 접촉이 잘 이루어져 건조는 급속도로 진행되며, 제1건조회전드럼을 통과하는 음식물쓰레기의 함수율은 50% 전후가 되고, 이 함수율을 달성하기 위해서 열풍의 압입량은 조절되며, 제2건조컨베어를 통과하여 제2건조회전드럼으로 이송되면 제3열풍압입관(F-4)으로부터 열풍이 압입되어 제1건조회전드럼에서와 같은 작동에 의해서 건조는 진행되고, 이 건조회전드 럼을 통과하면 25% 전후의 함수율로 건조되며, 여기에 미달 되지 않도록 열풍의 압입량을 조절하고, 제2건조회전드럼에서 건조된 음식물쓰레기는 제3건조컨베어로 이송되며, 제4열풍압입관(F-5)으로부터 열풍이 압입되고, 제4건조컨베어를 통과하면서 건조는 진행되어 배출로(C-4)로 이송될 때는 15% 이하의 함수율로 건조되어 배출된다.The tunnel-type drying apparatus is heated to a predetermined temperature by hot air intrusion, and the conveyed food waste is introduced into the
건조처리되어 배출되는 건조 음식물쓰레기는 분쇄기(G)로 이송되어 재활용에 용이하도록 분쇄처리된다. Dry food waste that is dried and discharged is transferred to a grinder (G) and is pulverized to facilitate recycling.
열풍 압입에 있어서, 제1열풍압입관(F-2)은 제1건조컨베어에 많은 양의 열풍을 압입·확산시키며, 제2열풍압입관(F-3)은 제1건조회전드럼(C)에 집중적으로 많은 양의 열풍을 압입시키고, 제3열풍압입관(F-4)은 제2건조회전드럼(C-1)에 중간 양의 열풍을 압입시키고, 제4열풍압입관(F-5)은 제3·제4 건조컨베어에 압입·확산시키는데 적은 양의 열풍을 압입시키며, 이것은 건조가 진행됨에 따라 함수율이 낮아진 음식물 쓰레기의 탄화를 예방하기 위한 것이고, 각 건조 단계에서 미리 정한 함수율로 건조시키기 위해, 열풍 압입량은 조절된다.In hot air indentation, the first hot air inlet pipe (F-2) presses and diffuses a large amount of hot air into the first drying conveyor, and the second hot air inlet pipe (F-3) is the first dry rotating drum (C). Presses a large amount of hot air intensively into the air, and the third hot air press-fit pipe (F-4) presses a medium amount of hot air into the second dry rotating drum (C-1), and the fourth hot air press-fit pipe (F-5) ) Presses and diffuses a small amount of hot air into the third and fourth drying conveyors, which is intended to prevent carbonization of food waste that has decreased in moisture content as drying proceeds. In order to achieve this, the amount of hot air indentation is controlled.
이 예에서는 분리된 음식물쓰레기를 각각으로 건조처리를 행하였으나, 절단처리된 기타쓰레기를 혼합 투입하여 건조시킬 수도 있다.In this example, the separated food waste was dried for each, but the cut other waste may be mixed and added to dry.
분리 건조된 음식물쓰레기는 각각으로 이용할 수도 있고, 혼합해서 이용할 수도 있으며, 한편 재활용이 용이하게 분쇄하여 이용할 수도 있고, 포장하여 장기보관 할 수도 있다.Separately dried food wastes may be used individually, or may be mixed and used. On the other hand, they may be easily crushed and recycled, or may be packaged and stored for a long time.
건조과정에서 발생한 수증기는 흡입이송팬(C-3)의 작동에 의해서 수증기 이 송관(C-2)을 통해 냉각장치(C-5)로 이송하여 냉각수로 환원시켜 정화처리장치(W-1)로 유입시킨다.The steam generated during the drying process is transferred to the cooling unit (C-5) through the steam transfer pipe (C-2) by the operation of the suction transfer fan (C-3) and reduced to cooling water to purify the processing unit (W-1). Inflow to
건조처리 과정에서 사용한 분사오염수 및 수증기를 냉각시킨 냉각수는 정화처리장치(W-1)에서 정화처리를 행하여 방류한다.The sprayed contaminated water and the cooling water cooled in the water vapor used in the drying process are purged by the purification treatment apparatus W-1 and discharged.
이 발명은 처리과정에서 음식물 쓰레기를 압착하지 않으므로 고농도의 압출액의 배출을 억제하여 정화처리가 용이하게 된다.In the present invention, the food waste is not compressed in the treatment process, so that the discharge of a high concentration of the extruded liquid is suppressed to facilitate the purification process.
이 발명은 건조과정에서 발생한 수증기를 냉각시켜 냉각수로 환원시키고 이를 정화처리하여 방류함으로 환경을 오염시키지 않는다.The present invention does not pollute the environment by cooling the water vapor generated during the drying process to reduce the cooling water and purify it to discharge.
이 발명은 폐기물 소각장 내에 설치하여 폐열을 이용할 수 있어 열 비용을 절감하게 된다.The present invention can be installed in the waste incinerator to use the waste heat to reduce the cost of heat.
이 발명은 건조된 음식물쓰레기를 재활용에 적합한 분말로 분쇄하여 이용할 수도 있고, 장기 보관이 가능하게 된다. The present invention can be used by grinding the dried food waste into a powder suitable for recycling, it is possible to long-term storage.
이 발명은 일반 슬러지를 효율적으로 건조시킬 수도 있다.This invention can also dry ordinary sludge efficiently.
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| KR20060056295A (en) * | 2006-04-09 | 2006-05-24 | 손을택 | Food waste recycling apparatus and method |
| KR200417441Y1 (en) * | 2006-03-14 | 2006-05-29 | 김동식 | a conveyer style drier of waste foods |
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| KR20050012883A (en) * | 2005-01-14 | 2005-02-02 | 김용 | Automatic drier for food waste |
| KR200417441Y1 (en) * | 2006-03-14 | 2006-05-29 | 김동식 | a conveyer style drier of waste foods |
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