KR200396640Y1 - Hopper for food waste processing equipments - Google Patents
Hopper for food waste processing equipments Download PDFInfo
- Publication number
- KR200396640Y1 KR200396640Y1 KR20-2005-0020015U KR20050020015U KR200396640Y1 KR 200396640 Y1 KR200396640 Y1 KR 200396640Y1 KR 20050020015 U KR20050020015 U KR 20050020015U KR 200396640 Y1 KR200396640 Y1 KR 200396640Y1
- Authority
- KR
- South Korea
- Prior art keywords
- food waste
- hopper
- leachate
- food
- fermentation
- Prior art date
Links
- 239000010794 food waste Substances 0.000 title claims abstract description 70
- 238000000855 fermentation Methods 0.000 claims abstract description 37
- 230000004151 fermentation Effects 0.000 claims abstract description 37
- 238000005273 aeration Methods 0.000 claims abstract description 17
- 230000018044 dehydration Effects 0.000 claims abstract description 17
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 17
- 230000002441 reversible effect Effects 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 230000000813 microbial effect Effects 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 17
- 235000013305 food Nutrition 0.000 abstract description 13
- 239000002775 capsule Substances 0.000 abstract description 10
- 244000005700 microbiome Species 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 8
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 238000005276 aerator Methods 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 235000021067 refined food Nutrition 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000006148 magnetic separator Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021107 fermented food Nutrition 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/26—Hoppers, i.e. containers having funnel-shaped discharge sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2812/00—Indexing codes relating to the kind or type of conveyors
- B65G2812/05—Screw-conveyors
- B65G2812/0505—Driving means, constitutive elements or auxiliary devices
- B65G2812/0511—Conveyor screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
본 고안은 뒤섞기에 의한 탈수로 음식물 캡슐의 파괴를 억제하여 침출수의 탁도를 개선하고, 탈수된 음식물쓰레기를 예비적으로 발효시켜 발효장치에서의 발효가 촉진되도록 전처리하는 음식물쓰레기처리설비용 호퍼와, 이 호퍼를 이용하여 방류되는 침출수의 수질개선과 발효촉진에 기여하는 음식물쓰레기처리방법을 제공하기 위한 것으로서, 투입된 음식물쓰레기가 체류하는 동안 가역형 스크류 컨베이어를 역구동시켜 체류 음식물쓰레기를 뒤섞는 방법으로 탈수하고, 염분과 중금속 등이 함유된 침출수는 폭기시켜 탁도를 낮춘 후에 폐수처리계통 등으로 배출하는 한편, 온풍을 주입하여 건조시킴으로써 1차적으로 함수율을 낮추는 탈수 폭기와; 1차적으로 처리된 음식물쓰레기를 가역형 스크류 컨베이어로 회류시켜 뒤섞으면서 재차 탈수하고, 미생물의 투입과 함께 온풍을 공급하여 건조 및 발효시키며, 침출수는 폭기시켜 탁도를 낮춘 후에 배출하는 예비발효과정을 한 대의 호퍼 내에서 수행할 수 있게 구성한 호퍼와; 상기 호퍼 내에서의 재차 뒤섞기에 의한 탈수와 미생물의 투입, 그리고 건조와 폭기로써 본격적인 발효에 적합한 수준으로 함수율을 낮추면서도 음식물 캡슐의 파괴는 극력 억제하여 침출수의 탁도를 낮춤으로써 침출수의 방류로 인한 하천수의 오염을 방지하고, 발효도 신속하고도 원활하게 이뤄지도록 처리하는 음식물쓰레기처리방법을 특징으로 한다.The present invention improves the turbidity of leachate by inhibiting the destruction of food capsules by dehydration by mixing, and the hopper for food waste treatment equipment for pretreatment to promote fermentation in the fermentation apparatus by preliminarily fermenting dehydrated food waste, This hopper is to provide food waste treatment method which contributes to water quality improvement and fermentation promotion of leachate discharged by using hopper, and dehydration by mixing the food wastes by reverse driving the reversible screw conveyor while the food wastes are staying. And a dehydration aerator for reducing the water content primarily by aeration of the leachate containing salt and heavy metals to lower turbidity and to discharge the wastewater to the wastewater treatment system, and by injecting and drying hot air; Firstly, the processed food waste is recirculated with a reversible screw conveyor, dehydrated again, mixed with microorganisms, supplied with warm air, dried and fermented, and the leachate is aerated to lower the turbidity and discharge it. A hopper configured to be performed in a large hopper; In the hopper, while the water content is lowered to a level suitable for full-scale fermentation by mixing and aeration, and drying and aeration, the destruction of food capsules is suppressed as much as possible, and the turbidity of leachate is lowered by lowering turbidity of leachate. To prevent contamination of the food, and fermentation is also characterized in that the food waste treatment method to be processed quickly and smoothly.
Description
본 고안은 음식물쓰레기가 체류하는 동안 뒤섞기에 의한 탈수에도 음식물 캡슐의 파괴를 억제하여 침출수의 탁도를 낮춤으로써 하천에 방류하더라도 하천수의 오염도가 낮고, 온풍 공급과 미생물의 분해작용을 빌어 본격적인 발효에 앞선 예비적 발효도 가능한 음식물쓰레기처리설비용 호퍼에 관한 것이다. The present invention reduces the turbidity of leachate by suppressing the destruction of food capsules even by dehydration by mixing while food waste stays, so that even if it is discharged to the river, the pollution of river water is low, The present invention relates to a hopper for food waste treatment facility, which can be preliminarily fermented.
수거차량을 이용하여 이송돼 오는 음식쓰레기를 호퍼에 일시 저장하다가 파쇄선별기로 옮겨 이물질을 파쇄하고 비닐파편 등의 이물질을 선별하여 수거한 후 순음식쓰레기만 활용방안에 따라 사료화하거나 발효시켜 퇴비화하게 된다.Temporarily store the food waste transported by using the collecting vehicle in the hopper, move it to the crusher, crush the foreign matter, collect and collect the foreign matter such as vinyl debris, and then feed or ferment only the pure food trash according to the utilization method for composting. .
음식물쓰레기처리설비에 관련된 선행기술로 특허 제372163호가 있다. 이 선행기술에서도 여느 음식물쓰레기처리설비에 투입되는 음식물쓰레기와 마찬가지로 함수율은 90%를 상회할 정도로 아주 높다. 이같이 함수율이 높은 음식물쓰레기를 일시저장용 호퍼에서 파쇄선별과정으로 이송하여 처리하게 되면 음식물쓰레기 중에서도 특히 호분이 많은 밥알(캡슐)이 으깨어져서 죽탕으로 변하게 된다. 묽은 죽탕은 높은 함수율에다 입자가 작아 입자간 공기 소통공간이 아주 좁기 때문에 발효가 더디고, 침출수의 탁도는 높아 정화에 오랜 시간이 걸릴 뿐만 아니라 폐수처리비용도 높다.Patent No. 372163 is a related art related to food waste treatment facilities. In this prior art, the water content is very high, exceeding 90%, like the food waste put into any food waste treatment facility. When food wastes with high moisture content are transferred to a crushing sorting process from a temporary storage hopper, rice grains (capsules), which are especially rich in food waste, are crushed and turned into bamboo soup. Diluted bamboo water has high water content and small particles, so the air communication space between particles is very narrow, so fermentation is slow, turbidity of leachate is high, it takes long time to purify and waste water treatment cost is high.
또, 이제까지의 음식물쓰레기의 임시저장용 호퍼는 미생물을 투입하는 기술이 제안된 바 없다. 그리고 호퍼 내에서 음식물쓰레기가 체류하는 시간을 정해진 것은 아니지만, 후속 처리가 연속적으로 진행되기 위해서는 쉼없이 음식물쓰레기를 공급해야 하므로 호퍼 내에 음식물쓰레기를 의도적으로 체류시킬 이유는 없다.In addition, the hopper for the temporary storage of food waste so far has not been proposed a technology for injecting microorganisms. And although the food waste in the hopper is not set time, there is no reason to intentionally retain the food waste in the hopper because the food waste must be supplied without rest in order for the subsequent processing to proceed continuously.
이러한 관점에서, 음식물쓰레기처리설비용 호퍼는 음식물쓰레기의 체류시간을 의도적으로 연장하더라도 탈수시켜 함수율을 낮추고, 미생물의 투입과 효과적인 뒤섞기 및 온기의 주입에 의한 예비적 숙성으로 발효시간의 단축과 발효의 효율성을 높이면서도 음식물 캡슐의 파괴는 억제하여 침출수의 혼탁도를 낮춤으로써 하천수의 오염방지와 폐수처리비용을 절감하는 방향으로 구조를 개선할 필요성이 대두된다.From this point of view, the hopper for food waste treatment facilities dehydrates food waste even if it purposely extends the residence time of food waste, and lowers the moisture content, and reduces fermentation time and preliminary fermentation by preliminary aging by the introduction of microorganisms and effective mixing and warmth. While increasing the efficiency while suppressing the destruction of food capsules to reduce the turbidity of the leachate, there is a need to improve the structure to prevent pollution of river water and reduce the cost of wastewater treatment.
따라서 본 고안의 목적은 음식물쓰레기가 체류하는 동안 뒤섞기에 의한 탈수로 함수율을 낮춰 후처리시간을 단축하고, 그 과정에서 음식물 캡슐의 파괴를 억제하여 침출수의 탁도를 현저히 낮춤으로써 방류수의 수질 개선에 기여하며, 발효장치에서의 발효에 앞서 예비적 발효를 선행함으로써 발효촉진 및 발효 효율성의 제고에 기여할 수 있는 음식물쓰레기처리설비용 호퍼를 제공하는 것이다.Therefore, the object of the present invention is to reduce the water content by dehydration by mixing while food wastes stay, shorten the post-treatment time, and by reducing the turbidity of leachate by inhibiting the destruction of food capsules in the process, contributing to improving the quality of effluent water. In addition, the preliminary fermentation prior to the fermentation in the fermentation apparatus to provide a hopper for food waste treatment equipment that can contribute to the promotion of fermentation and enhance the fermentation efficiency.
본 발명의 다른 목적은 상기 호퍼를 이용하여 음식물쓰레기를 방류수의 수질개선과 함께 효과적으로 발효시킬 수 있는 음식물쓰레기 처리방법을 제공하는 것이다.Another object of the present invention is to provide a food waste treatment method that can effectively ferment food waste with improved water quality of the discharged water using the hopper.
상기 제1 과제를 달성하기 위하여, 본 고안은 투입된 음식물쓰레기가 체류하는 동안 가역형 스크류 컨베이어를 역구동하여 계류 중인 음식물쓰레기를 뒤섞어 탈수시키되 음식물 캡슐의 파괴를 억제하여 침출수의 탁도를 낮추고, 염분과 중금속 등이 함유된 침출수를 폭기시켜 탁도를 더욱 낮춘 후에 폐수처리계통 등으로 배출하는 한편, 온풍을 주입하여 건조시킴으로써 1차적으로 함수율을 낮추는 탈수 폭기과정과; 1차적으로 처리된 음식물쓰레기를 가역형 스크류 컨베이어를 역구동하여 뒤섞으면서 재차 탈수하고, 미생물의 투입과 함께 온풍을 공급하여 건조 및 발효시키며, 거기서 발생하는 침출수는 폭기시켜 탁도를 낮춘 후에 배출하는 발효과정을 한 대의 호퍼 내에서 수행할 수 있도록 구성한 호퍼를 제공한다.In order to achieve the first object, the present invention is to reverse drive the reversible screw conveyor while the food waste is put in, to mix and dehydrate the food waste pending, to suppress the destruction of food capsules to lower the turbidity of leachate, salinity and A dewatering aeration process primarily by lowering the water content by aeration of the leachate containing heavy metals to further reduce turbidity and discharge to the wastewater treatment system; The dehydrated food waste is dehydrated again by reverse driving the reversible screw conveyor, mixed with microorganisms, supplied with warm air, dried and fermented, and the leachate generated there is aerated to reduce turbidity and discharge. Provide a hopper configured to perform the process in one hopper.
또, 상기 제2의 과제를 달성하기 위한 방안으로써, 본 고안은 상기 호퍼 내에서의 1차 뒤섞기에 의한 탈수와 건조, 침출수의 탁도 저하를 도모하고, 2차 처리과정에서 미생물의 투입과 온풍의 공급으로 건조와 예비적 발효가 이뤄지게 하는 한편, 폭기로 침출수의 탁도를 낮추는 예비적 발효과정을 거쳐 발효장애요인인 음식물 캡슐의 파괴를 극력 억제하고, 침출수의 탁도도 두드러지게 낮춤으로써 혼탁한 침출수의 방류로 인한 하천수의 오염을 방지하고, 발효도 신속하고 원활하게 이뤄지도록 처리하는 음식물쓰레기처리방법을 제공한다.In addition, as a way to achieve the second problem, the present invention aims to reduce the dehydration and drying of the leach by the first mixing in the hopper, turbidity of the leachate, and the introduction of microorganisms and warm air in the secondary treatment process Drying and preliminary fermentation are carried out by supply, while preliminary fermentation process to reduce turbidity of leachate by aeration is suppressed the destruction of food capsules, which are obstacles to fermentation, and the turbidity of leachate is significantly reduced by significantly lowering turbidity of leachate. It provides a food waste treatment method that prevents contamination of river water due to discharge and treats fermentation to be carried out quickly and smoothly.
도 1에서, 수거돼오는 음식물쓰레기를 일시적으로 저장하다가 파쇄선별기(20)로 보내 파쇄하고 비닐, 젓가락 파편 등의 이물질을 선별한 후 순 음식물쓰레기만 발효장치(30)로 이송하여 발효시키도록 된 음식물쓰레기처리설비에는 음식물쓰레기를 일시적으로 저장하는 본 고안의 호퍼(10)가 있다. In FIG. 1, the collected food waste is temporarily stored and then sent to a crushing sorter 20 for crushing and screening foreign substances such as vinyl and chopsticks debris, and then only pure food waste is transferred to the fermentation device 30 for fermentation. The food waste treatment facility has a hopper 10 of the present invention for temporarily storing food waste.
도 2에서, 상기 호퍼(10)는 천장에 해치(11)로 여닫는 음식물쓰레기 투입구(12)가 설치되어 있고, 내부 중앙에 경사형 스크류 컨베이어(13)가 설치되어 있다. 상기 스크류 컨베이어(13)의 스크류(13a)는 호퍼(10) 내의 음식물쓰레기를 뒤섞으면서 탈수시킬 때에는 역구동하고, 1,2차에 걸쳐 발효된 음식물쓰레기를 파쇄선별기로 반출할 때에는 정구동하는 가역형이다. In FIG. 2, the hopper 10 is provided with a food waste inlet 12 that is opened and closed by a hatch 11 on the ceiling, and an inclined screw conveyor 13 is installed at an inner center thereof. The screw 13a of the screw conveyor 13 is reverse driven when dehydrating while mixing food waste in the hopper 10, and is reversible type which is driven forward when discharging the food waste fermented in the first and second stages to the crusher. to be.
그리고 스크류 컨베이어(13)의 실린더 중에서 호퍼(10)에 잠입된 부분은 타공망(13c)으로 되어 있다. 음식물쓰레기가 뒤섞이면서 배어나오는 침출수는 이 타공망(13b)을 통해 침출수조(14)로 유출된다. And the part immersed in the hopper 10 among the cylinders of the screw conveyor 13 becomes the perforation network 13c. The leachate leaked out as the food waste is mixed is discharged to the leachate tank 14 through this perforated network 13b.
호퍼(10)의 저부에는 침출수실(14)이 위치한다. 침출수실(14)에는 음식물쓰레기가 뒤섞이면서 탈수가 이뤄지는 동안에 열풍을 주입하여 건조시키기 위한 건조장치(15)와, 침출수와 음식물쓰레기에서 배어나온 오수 그리고 염분과 중금속 등을 분리시키기 위하여 공기를 주입해 폭기시켜 정화하는 폭기장치(16)가 설치되어 있고, 침출수실(14)에서 가장 낮은 곳에는 침출수 배출구(17)가 형성되어 있다.At the bottom of the hopper 10 is a leachate chamber 14. In the leachate chamber 14, a drying apparatus 15 for injecting and drying hot air while dehydration takes place while food waste is mixed, and injects air to separate leachate and wastewater from salt and heavy metals, etc. An aeration device 16 for aeration and purification is provided, and a leachate outlet 17 is formed at the lowest point in the leachate chamber 14.
호퍼(10)의 천장에서 투입구(11)를 벗어난 일점에는 음식물쓰레기의 건조와 동시에 분해를 촉진시키기 위한 미생물을 저장하다가 필요할 때 공급하기 위한 미생물 저장통(18)도 설치되어 있다.One point away from the inlet 11 from the ceiling of the hopper 10 is also provided with a microbial reservoir 18 for storing and supplying microorganisms to facilitate the decomposition of food waste and to supply when needed.
또, 호퍼(10) 내에서 스크류 컨베이어(13)의 기단(13c)이 위치하는 곳에서 조금 올라간 곳에 음식물쓰레기에 섞인 자성을 띈 금속을 흡착하는 자석선별기(19)가 위치하도록 호퍼(10)의 천장 또는 해치(11)의 저면에 매달아 흡착된 자성 금속을 수거하기 용이하게 한다. In addition, the hopper 10 of the hopper 10 is located in the hopper 10 so that the magnetic separator 19 which adsorbs the magnetic metal mixed with food waste is located slightly above the base 13c of the screw conveyor 13. Suspended magnetic metal suspended from the ceiling or the bottom of the hatch 11 to facilitate the collection.
도 3은 호퍼(10)의 평면도이다. 도면부호 (a)는 음식물쓰레기가 처리되는 과정에서 발생하는 가스를 대기 중으로 확산시키기 위해 설치한 배기구를 표시한다. 3 is a plan view of the hopper 10. Reference numeral (a) denotes an exhaust port provided for diffusing gas generated in the process of processing food waste into the atmosphere.
다음으로, 상기 호퍼(10)를 이용하여 음식물쓰레기를 처리하는 방법에 대하여 설명한다.Next, a method of treating food waste using the hopper 10 will be described.
도 2에서, 해치(11)가 열린 투입구(12)로 수거해 온 음식물쓰레기(b)를 투입하고 스크류(13a)를 역가동시켜 뒤섞으면서 건조장치(15)로 도시하지 아니한 열풍기에서 생성되는 온풍을 주입하고, 폭기장치(16)로는 역시 도시하지 아니한 콤프레서에서 생성되는 공기를 주입한다.In FIG. 2, hot air generated in a hot air fan not shown in the drying device 15 is introduced by mixing the food waste b collected by the hatch 11 into the open inlet 12 and inverting and stirring the screw 13a. And the air generated by the aerator 16, which is also not shown, is injected.
스크류(13a)의 저속 역회전에 의하여 음식물쓰레기(b)는 스크류 컨베이어(13)의 기단(13c)으로부터 위쪽으로 서서히 이동하고, 이러한 움직임이 이어지면서 음식물쓰레기(b)는 화살표 d1 방향으로 느리게 회류하면서 뒤섞인다. 이 과정에서 오수와 음식물쓰레기의 내부 수분, 염분, 중금속 등은 호퍼(10)의 하부와 타공망(13b)을 거쳐 침출수조(14)에 고이고, 음식물쓰레기(b)를 따라 회류하던 자성을 띈 금속은 자석선별기(19)에 흡착된다. 건조장치(15)를 통하여 공급되는 온풍에 의하여 탈수되는 음식물쓰레기(b)는 아래쪽에서부터 서서히 건조되고, 폭기장치(16)로 공급되는 공기에 의해서는 침출수(c)가 폭기된다. 이 탈수 폭기과정은 1일이면 충분하고, 탈수 폭기과정을 거친 후의 침출수(c)는 침출수 배출구(17)로 방류한다.Due to the low speed reverse rotation of the screw 13a, the food waste b gradually moves upward from the base end 13c of the screw conveyor 13, and as the motion continues, the food waste b slowly rotates in the direction of the arrow d1. Shuffled together. In this process, the internal water, salt, and heavy metals of the wastewater and food waste are collected in the leachate tank 14 through the lower part of the hopper 10 and the perforated network 13b, and the magnetic metal which flows along the food waste (b) Is adsorbed on the magnetic separator 19. Food waste (b) dehydrated by the warm air supplied through the drying device 15 is gradually dried from the bottom, the leachate (c) is aerated by the air supplied to the aeration device (16). This dewatering aeration process is sufficient for one day, and the leachate c after the dehydration aeration process is discharged to the leachate outlet 17.
도 4에서, 상기의 탈수 폭기과정을 거친 후에 스크류(13a)를 역구동하여 뒤섞기를 계속한다. 그러면 1차 처리된 음식물쓰레기(b') 내부에 잔여수분까지 탈수되어 함수율이 65 내지 68%가 되도록 한다. 그러면서 건조장치(15)를 통한 온풍의 공급과 폭기장치(16)를 이용한 침출수(c')의 폭기로 탁도를 낮춘다. 화살표 d2는 음식물쓰레기(b')의 회류방향을 표시한다.In FIG. 4, after the dehydration aeration process, the screw 13a is driven back to continue mixing. Then, the water is dehydrated to the residual moisture in the food waste (b ') treated first, so that the moisture content is 65 to 68%. The turbidity is lowered by supplying warm air through the drying device 15 and aeration of the leachate c 'using the aeration device 16. Arrow d2 indicates the flow direction of the food waste (b ').
음식물쓰레기(b')의 잔류 염분과 중금속 등은 잔여수분이 침출될 때 섞여 침출수조(14)에 고인다. 또, 잔류 자성 금속도 자석선별기(19)에 마저 흡착된다. Residual salts and heavy metals of the food waste (b ') are mixed in the leachate tank 14 when the residual moisture is leached. In addition, the residual magnetic metal is also adsorbed to the magnetic separator 19.
그러면서 적기에 미생물 저장통(18)을 개방하여 음식물쓰레기(b')에 미생물을 공급하여 발효를 촉진한다. While opening the microorganism storage tank 18 in a timely manner, microorganisms are supplied to the food waste (b ') to promote fermentation.
음식물쓰레기(b')는 또한 건조장치(15)에서 공급되는 온풍에 의하여 발효에 적합한 온도로 가열돼 밑으로부터 서서히 건조되면서 동시에 발효되고, 폭기장치(16)를 통해 공급되는 공기에 의해서는 음식물쓰레기(b')의 발효에 필요한 급기와 함께 침출수(c')의 탁도가 낮아진다. 이같은 예비적 발효과정도 1일이면 충분하다. 발효된 음식물쓰레기는 스크류(13a)를 정구동시켜 도 1의 파쇄선별기(20)로 보내고, 수질이 개선된 침출수(c')는 침출수 배출구(17)로 방류시키며, 자석선별기(19)에 흡착된 금속은 음식물쓰레기(b')가 배출된 후에 투입구(12) 밖으로 끌어올려 수거하고 재위치시킨다. 이 예비적 발효과정도 1일로 충분하다. Food waste (b ') is also heated to a temperature suitable for fermentation by warm air supplied from the drying device (15) and is simultaneously fermented while gradually drying from the bottom, and food waste by air supplied through the aeration device (16) The turbidity of the leachate c 'is lowered along with the air supply necessary for the fermentation of (b'). This preliminary fermentation is also sufficient for one day. The fermented food waste is sent to the crushing sorter 20 of FIG. 1 by driving the screw 13a forward, and the leachate having improved water quality is discharged to the leachate outlet 17 and adsorbed to the magnetic sorter 19. The metal is pulled out of the inlet 12 after the food waste b 'is discharged and collected and repositioned. This preliminary fermentation process is also sufficient for one day.
음식쓰레기가 뒤섞이면서 탈수, 건조, 및 예비적으로 발효되는 과정에서 음식물 캡슐은 거의 온전한 상태로 유지된다. 이는 함수율이 높은 음식물쓰레기를 호퍼에서 그대로 파쇄선별기에 투입하여 파쇄시킬 때 음식물 캡슐이 으깨어져서 묽은 죽탕으로 바뀜으로써 침출수의 탁도가 높아지는 원인이 되고 발효도 더디게 진행되던 종래에 비하면 침출수의 수질이 획기적으로 개선되고, 함수율도 낮게 예비적으로 발효시킨 음식물쓰레기를 발효장치로 보낼 수 있어 발효도 빠르고 효율좋게 진행시키는 것이 가능해진다. The food capsules remain almost intact during food dehydration, dehydration, drying, and preliminary fermentation. This causes food turbidity to be crushed and changed to a thin bamboo bath when food waste with high moisture content is put into the crusher as it is, causing turbidity of the leachate, and the quality of the leachate is significantly lower than that of the conventional fermentation process. It is possible to send the food waste, which has been improved and preliminarily fermented with low water content, to the fermentation apparatus, so that the fermentation can be carried out quickly and efficiently.
이러한 탈수와 침출수의 탁도 저하 및 예비적 발효기능을 수행할 수 있는 호퍼(10)는 도 1에 예시한 바와 같이 2조 이상을 병렬로 설치하여 쉬지 않고 투입되는 음식물쓰레기를 축차적으로 처리하고, 개개의 호퍼(10)에서 탈수와 예비적 발효과정을 거쳐 배출되는 음식물쓰레기는 모두 1조의 파쇄선별기(20)로 공급되도록 음식물쓰레기처리설비를 설계하면 쉼없는 가동으로 음식물쓰레기의 처리효율을 한껏 높일 수 있다.The hopper 10 capable of performing such dehydration and leachate decrease in turbidity and preliminary fermentation functions, as illustrated in FIG. If the food waste treatment facility is designed so that all of the food waste discharged through dehydration and preliminary fermentation process from the hopper 10 is supplied to a set of crushing separators 20, the processing efficiency of the food waste can be improved to the maximum with no rest. have.
이상 설명한대로 본 고안의 음식물쓰레기설비용 호퍼는 차량으로 수거돼오는 음식물쓰레기를 일시적으로 보관하는 동안 탈수와 건조, 염분과 중금속이 함유된 침출수의 탁도 저하, 그리고 자성 금속 등의 이물질 제거, 및 예비적 발효기능까지 수행이 가능하다. As described above, the food waste equipment hopper of the present invention is dehydrated and dried during the temporary storage of food waste collected by vehicles, deterioration of turbidity of leachate containing salt and heavy metals, and removal of foreign substances such as magnetic metal, and preliminary It is possible to carry out red fermentation function.
또, 뒤섞기에 의한 탈수 및 발효과정에서 음식물 캡슐의 파괴를 극력 억제할 수 있으므로 침출수의 탁도를 개선할 수 있다. 그 결과, 침출수의 방류로 인한 하천수의 오염도 효과적으로 방지할 수 있다. In addition, since the destruction of food capsules during the dehydration and fermentation process by mixing can be suppressed as much as possible, turbidity of the leachate can be improved. As a result, contamination of the river water due to the discharge of the leachate can also be effectively prevented.
게다가, 탈수에 의해 적정 수준의 함수율 조정과, 미생물의 투입과 온기의 공급에 의한 건조 및 예비적 발효를 통하여 발효장치에서의 발효시간을 단축시킬 수 있는 데다, 비료화 비용도 크게 절감할 수 있다.In addition, it is possible to shorten the fermentation time in the fermentation apparatus by adjusting the moisture content at an appropriate level by dehydration, drying and preliminary fermentation by adding microorganisms and supplying warmth, and also greatly reducing fertilizer costs.
도 1은 본 고안의 호퍼에 연계된 음식물쓰레기처리설비의 개념도 1 is a conceptual diagram of a food waste treatment facility associated with the hopper of the present invention
도 2는 본 고안에 의한 호퍼의 종단면도(탈수 폭기과정)Figure 2 is a longitudinal cross-sectional view of the hopper according to the present invention (dehydration aeration process)
도 3은 동 평면도3 is a plan view of the copper
도 4는 예비발효과정도4 is a preliminary effect
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
10: 호퍼 13: 가역형 스크류 컨베이어10: Hopper 13: Reversible Screw Conveyor
14: 침출수조 15: 건조장치14: leaching tank 15: drying device
16: 폭기장치 17: 침출수 배출구16: Aerator 17: Leachate outlet
18: 미생물 저장통 19: 자석선별기18: Microbial Reservoir 19: Magnetic Separator
20: 파쇄선별기 30: 발효장치20: crusher 30: fermentation apparatus
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| KR20-2005-0020015U KR200396640Y1 (en) | 2005-07-09 | 2005-07-09 | Hopper for food waste processing equipments |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100784787B1 (en) * | 2006-11-16 | 2007-12-14 | 윤봉중 | Food garbage disposal apparatus |
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| U107 | Dual application of utility model | ||
| REGI | Registration of establishment | ||
| T201 | Request for technology evaluation of utility model | ||
| T701 | Written decision to grant on technology evaluation | ||
| G701 | Publication of correction | ||
| EXTG | Ip right invalidated |