CN104774046A - Kitchen garbage disposal method - Google Patents

Kitchen garbage disposal method Download PDF

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Publication number
CN104774046A
CN104774046A CN201510177454.0A CN201510177454A CN104774046A CN 104774046 A CN104774046 A CN 104774046A CN 201510177454 A CN201510177454 A CN 201510177454A CN 104774046 A CN104774046 A CN 104774046A
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food waste
changing food
rubbish
garbage
photochemical catalysis
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CN201510177454.0A
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CN104774046B (en
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李文新
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Zhejiang Hongdian Environmental Protection Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kitchen garbage disposal method. Garbage is disposed after being sequentially passing through a garbage storage box, a magnetic separator, a sorting machine, a dehydration, deodorization and drying tower, a photocatalytic chamber, a drying chamber, a stirrer capable of lifting and dropping, a far infrared heating lamp, an ultraviolet lamp, a removable heat-resisting partition plate, a movable heat-resisting partition plate, a rotatable metal liner with a reticulate side wall, a pelletizer, a filtering device, a top plate of which the inner side is coated with a photocatalyst, and a refrigerating device. According to the method, three steps of drying, deodorizing and crushing are completed in a disposal tower; garbage disposed by using the method is heated to a high temperature by far infrared light, so that most of parasitic ova and viruses are killed; and according to the invention, the moisture content of garbage subjected to drying treatment is 5-10%, which is lower than that in other methods; and the volume of garbage is further reduced.

Description

A kind of method processing changing food waste
Technical field
The present invention relates to a kind of method processing changing food waste, belong to the field of solid waste treatment in environment protection.
Background technology
Changing food waste is the sanitary waste that resident is formed in personal consumption process, and main component comprises rice and flours food residues, vegetables, vegetable and animals oils, meat bone etc., chemically on composition, has starch, Mierocrystalline cellulose, protein, lipid and inorganic salt.Principal feature more than kitchen is that organic content is abundant, moisture content is high, perishable, and its proterties and smell all can make a very bad impression to environmental health, and easily grow the objectionable impurities such as pathogenic micro-organism, mycotoxin.Food waste treatment method conventional at present mainly contains landfill method, feed method, composting process, burning method, pyrolysis method and biological process etc.
1, conventional garbage treatment process contains the more treatment steps such as magnetic separation, sorting, drying, fragmentation, needs to configure more equipment, takes up room, invest higher.
2, contain more microorganism, germ, parasitic ovum etc. in changing food waste, the treatment process such as landfill, compost cannot be killed.
3, because changing food waste water content is higher, garbage dewatering is important step, and the water ratio after more common Physical (centrifuge dehydration+hot air drying) process is 10-20%.
Summary of the invention
For prior art Problems existing, the invention provides a kind of method processing changing food waste, after changing food waste enters sorter, first by magnetic separator, metallics in rubbish is separated, and then by sorter by the plastics bag in changing food waste, the plastics such as plastic lunch box are separated, sorting complete changing food waste is transported in dehydration deodorizing dry tower by the outlet at bottom of sorter by airtight delivery line, when changing food waste is sent into, removable heat-resisting dividing plate is extracted out to side, liftable agitator is raised up to photochemical catalysis room, after treating changing food waste charging, removable heat-resisting dividing plate homing, sidewall is that netted rotatable metallic inner bag starts high-speed rotation, centrifugal force makes changing food waste contained humidity discharge, mesh through sidewall flows out, below the sidewall of self-desiccation room, drain outlet enters filtration unit by pipeline, treat moisture emptying, sidewall is that netted rotatable metallic inner bag stops operating, far-infrared heating lamp is opened, heat drying is carried out to rubbish, the gas evaporated is evacuated to photochemical catalysis room through air exchange system by kiln, in photochemical catalysis room, refrigeration plant is opened, the gas entered is cooled, the foul gas evaporated, the obnoxious flavoures such as volatile organic matter apply the top plate contact of photocatalyst with inner side under the irradiation of ultraviolet lamp, the semi-conductor of catalyst surface is subject to the hydroxyl radical free radical or the contour active group of superoxide anion that excite generation Strong oxdiative performance, organic substance decomposing in waste gas is CO by these active groups 2and H 2o, after the sufficient reaction times, the venting port of purified gas from photochemical catalysis room is discharged, the water port of water from photochemical catalysis room of condensation is discharged, after drying garbage, removable heat-resisting dividing plate is extracted out to side, liftable agitator drops to kiln, carrying out stirring to dried rubbish makes it loose, and the rubbish of bulk is pulverized, after stirring, movable heat-resisting dividing plate is opened, the bottom deslagging outlet of rubbish self-desiccation room is transported to tablets press by airtight delivery line, rubbish makes fertiliser granulates by tablets press, in the rubbish of discharging in kiln moisture content after filtration device filter after, sludge part imports the airtight delivery line connected bottom sorter, together enter dehydration deodorizing dry tower with the complete changing food waste of sorting again to process, percolate is sent to percolation liquid treating system, garbage storing box, sorter and the interior foul gas etc. produced of tablets press enter the waste gas produced with kiln in photochemical catalysis room and handle together.
The optimal temperature of photochemical catalysis indoor is 0 ~ 90 DEG C; The wavelength region of ultraviolet lamp is 185 ~ 254nm, and the photocatalyst applied inside top board is nano titanium dioxide photocatalyst, and waste gas is about 5 ~ 10min in the residence time of photochemical catalysis room.
The temperature of reaction of kiln 220 ~ 280 DEG C, the wavelength region of far-infrared lamp is 2.5 ~ 6 μm.The heat-up time of rubbish in kiln is 30min.
The invention has the advantages that:
(1) in a treating column, complete drying, deodorizing and pulverizing three steps, reduce floor space, invest also lower relative to multiple equipment;
(2) rubbish is heated to comparatively high temps through far red light, has killed most of parasitic ovum and virus;
(3) msw water content after drying process is 5-10%, and comparatively additive method is low, and volume reduces further.
Accompanying drawing explanation
Fig. 1 is equipment schematic diagram of the present invention.
In figure: 1-garbage storing box, 2-magnetic separator, 3-sorter, 4-dewater that deodorizing dry tower, 5-photochemical catalysis room, 6-kiln, the liftable agitator of 7-, 8-far-infrared heating lamp, 9-ultraviolet lamp, the removable heat-resisting dividing plate of 10-, the movable heat-resisting dividing plate of 11-, 12-sidewall are netted rotatable metallic inner bag, apply top board, the 16-refrigeration plant of photocatalyst inside 13-tablets press, 14-filtration unit, 15-.
Embodiment
As shown in Figure 1, after changing food waste enters sorter 3, first by magnetic separator 2, metallics in rubbish is separated, and then by sorter 3 by the plastics bag in changing food waste, the plastics such as plastic lunch box are separated, sorting complete changing food waste is transported in dehydration deodorizing dry tower 4 by the outlet at bottom of sorter 3 by airtight delivery line, when changing food waste is sent into, removable heat-resisting dividing plate 10 is extracted out to side, liftable agitator 7 is raised up to photochemical catalysis room 5, after treating changing food waste charging, removable heat-resisting dividing plate 10 homing, sidewall is that netted rotatable metallic inner bag 12 starts high-speed rotation, centrifugal force makes changing food waste contained humidity discharge, mesh through sidewall flows out, below the sidewall of self-desiccation room 6, drain outlet enters filtration unit 14 by pipeline, treat moisture emptying, sidewall is that netted rotatable metallic inner bag 12 stops operating, wavelength region is that the far-infrared heating lamp 8 of 2.5 ~ 6 μm is opened, 220 ~ 280 DEG C are heated to rubbish and carry out drying about 30min, the gas evaporated is evacuated to photochemical catalysis room 5 through air exchange system by kiln 6, in photochemical catalysis room 5, refrigeration plant 16 is opened, by gas cooling to 0 ~ 90 DEG C entered, the foul gas evaporated, the obnoxious flavoures such as volatile organic matter are that the top board 15 applying photocatalyst under the irradiation of the ultraviolet lamp 9 of 185 ~ 254nm with inner side contacts in wavelength region, the semi-conductor on catalyzer (nano titanium oxide) surface is subject to the hydroxyl radical free radical or the contour active group of superoxide anion that excite generation Strong oxdiative performance, organic substance decomposing in waste gas is CO by these active groups 2and H 2o, after 5 ~ 10min, the venting port of purified gas from photochemical catalysis room 5 is discharged, the water port of water from photochemical catalysis room 5 of condensation is discharged, after drying garbage, removable heat-resisting dividing plate 10 is extracted out to side, liftable agitator 7 drops to kiln 6, carrying out stirring to dried rubbish makes it loose, and the rubbish of bulk is pulverized, after stirring, movable heat-resisting dividing plate 11 is opened, the bottom deslagging outlet of rubbish self-desiccation room 6 is transported to tablets press 13 by airtight delivery line, and rubbish makes fertiliser granulates by tablets press 13.In kiln 6 discharge rubbish in moisture content after filtration device 14 filter after, sludge part imports the airtight delivery line connected bottom sorter 3, together enter dehydration deodorizing dry tower 4 with the complete changing food waste of sorting again to process, percolate is sent to percolation liquid treating system.The foul gas etc. produced in garbage storing box 1, sorter 3 and tablets press 13 enters the waste gas produced with kiln 6 in photochemical catalysis room 5 and handles together.

Claims (3)

1. one kind processes the method for changing food waste, after it is characterized in that changing food waste enters sorter, first by magnetic separator, metallics in rubbish is separated, and then by sorter by the plastics bag in changing food waste, the plastics such as plastic lunch box are separated, sorting complete changing food waste is transported in dehydration deodorizing dry tower by the outlet at bottom of sorter by airtight delivery line, when changing food waste is sent into, removable heat-resisting dividing plate is extracted out to side, liftable agitator is raised up to photochemical catalysis room, after treating changing food waste charging, removable heat-resisting dividing plate homing, sidewall is that netted rotatable metallic inner bag starts high-speed rotation, centrifugal force makes changing food waste contained humidity discharge, mesh through sidewall flows out, below the sidewall of self-desiccation room, drain outlet enters filtration unit by pipeline, treat moisture emptying, sidewall is that netted rotatable metallic inner bag stops operating, far-infrared heating lamp is opened, heat drying is carried out to rubbish, the gas evaporated is evacuated to photochemical catalysis room through air exchange system by kiln, in photochemical catalysis room, refrigeration plant is opened, the gas entered is cooled, the foul gas evaporated, volatile organic matters etc. apply the top plate contact of photocatalyst with inner side under the irradiation of ultraviolet lamp, the semi-conductor of catalyst surface is subject to exciting the hydroxyl radical free radical that produces Strong oxdiative performance or superoxide anion etc., be CO by the organic substance decomposing in waste gas 2and H 2o, after the sufficient reaction times, the venting port of purified gas from photochemical catalysis room is discharged, the water port of water from photochemical catalysis room of condensation is discharged, after drying garbage, removable heat-resisting dividing plate is extracted out to side, liftable agitator drops to kiln, carrying out stirring to dried rubbish makes it loose, and the rubbish of bulk is pulverized, after stirring, movable heat-resisting dividing plate is opened, the bottom deslagging outlet of rubbish self-desiccation room is transported to tablets press by airtight delivery line, rubbish makes fertiliser granulates by tablets press, in the rubbish of discharging in kiln moisture content after filtration device filter after, sludge part imports the airtight delivery line connected bottom sorter, together enter dehydration deodorizing dry tower with the complete changing food waste of sorting again to process, percolate is sent to percolation liquid treating system, garbage storing box, sorter and the interior foul gas etc. produced of tablets press enter the waste gas produced with kiln in photochemical catalysis room and handle together.
2. the method for process changing food waste according to claim 1, is characterized in that, the optimal temperature of photochemical catalysis indoor is 0 ~ 90 DEG C; The wavelength region of ultraviolet lamp is 185 ~ 254nm, and the photocatalyst applied inside top board is nano titanium dioxide photocatalyst, and waste gas is about 5 ~ 10min in the residence time of photochemical catalysis room.
3. the method for process changing food waste according to claim 1, is characterized in that, the temperature of reaction of kiln 220 ~ 280 DEG C, and the wavelength region of far-infrared lamp is 2.5 ~ 6 μm, and the heat-up time of rubbish in kiln is 30min.
CN201510177454.0A 2015-04-16 2015-04-16 A kind of method for handling kitchen garbage Active CN104774046B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106365958A (en) * 2016-11-10 2017-02-01 宁夏龙江化工科技有限公司 Deodorization device for coal-to-methanol by-product fusel oil
CN107790484A (en) * 2017-11-13 2018-03-13 深圳市三盛环保科技有限公司 Food waste fruits and vegetables rubbish mixed processing all-in-one and mixed processing method
CN108728350A (en) * 2018-07-20 2018-11-02 杭州洁洁环保科技有限公司 Negative pressure freeze-day with constant temperature equipment
CN109013038A (en) * 2018-08-29 2018-12-18 深圳市旭发智能科技有限公司 A kind of waste disposal method
CN109107743A (en) * 2018-08-29 2019-01-01 深圳市旭发智能科技有限公司 A kind of refuse disposal system
CN109127668A (en) * 2018-08-31 2019-01-04 济宁市兖州区阅木家具有限公司 A kind of garbage treatment device
CN112279691A (en) * 2020-10-28 2021-01-29 北京石油化工学院 System for kitchen garbage low-temperature crushing and strengthening drying treatment
CN112679286A (en) * 2021-02-03 2021-04-20 河北环境工程学院 Method for preparing bio-organic fertilizer by using kitchen garbage

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CN101612630A (en) * 2009-06-24 2009-12-30 北京国宗元投资有限公司 House refuse as harmless resource real-time processing method and system
CN102746034A (en) * 2012-07-16 2012-10-24 惠州市神州创宇低碳技术发展有限公司 Method for producing microorganism luminous energy organic fertilizer by utilizing table/kitchen wastes
CN102921703A (en) * 2012-11-09 2013-02-13 北京嘉博文生物科技有限公司 Kitchen garbage pre-treatment technology and system thereof
CN103447237A (en) * 2013-02-09 2013-12-18 山东华绿餐处科技股份有限公司 Automatic sorter of kitchen waste

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JP2009023849A (en) * 2007-07-17 2009-02-05 Komatsu Denshi Kk Method and device for garbage disposal
CN101612630A (en) * 2009-06-24 2009-12-30 北京国宗元投资有限公司 House refuse as harmless resource real-time processing method and system
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106365958A (en) * 2016-11-10 2017-02-01 宁夏龙江化工科技有限公司 Deodorization device for coal-to-methanol by-product fusel oil
CN107790484A (en) * 2017-11-13 2018-03-13 深圳市三盛环保科技有限公司 Food waste fruits and vegetables rubbish mixed processing all-in-one and mixed processing method
CN107790484B (en) * 2017-11-13 2024-03-26 深圳市三盛环保科技有限公司 Kitchen waste, fruit and vegetable and garbage mixing treatment integrated machine and mixing treatment method
CN108728350A (en) * 2018-07-20 2018-11-02 杭州洁洁环保科技有限公司 Negative pressure freeze-day with constant temperature equipment
CN109013038A (en) * 2018-08-29 2018-12-18 深圳市旭发智能科技有限公司 A kind of waste disposal method
CN109107743A (en) * 2018-08-29 2019-01-01 深圳市旭发智能科技有限公司 A kind of refuse disposal system
CN109127668A (en) * 2018-08-31 2019-01-04 济宁市兖州区阅木家具有限公司 A kind of garbage treatment device
CN112279691A (en) * 2020-10-28 2021-01-29 北京石油化工学院 System for kitchen garbage low-temperature crushing and strengthening drying treatment
CN112679286A (en) * 2021-02-03 2021-04-20 河北环境工程学院 Method for preparing bio-organic fertilizer by using kitchen garbage

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Inventor after: Liu Shilian

Inventor after: Cao Tianxiang

Inventor before: Li Wenxin

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Effective date of registration: 20170615

Address after: Sand town in Longwan District of Wenzhou City, Zhejiang Province, 325025 Permanent Road No. 135

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Address before: A village of 311800 Zhejiang city in Shaoxing Province, Zhuji City, East Street Licun

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Effective date of registration: 20180207

Address after: 321002 Zhejiang province Jinhua City Jindong Kangji No. 878 North Street No. 2 workshop

Patentee after: ZHEJIANG HOODI ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd.

Address before: Sand town in Longwan District of Wenzhou City, Zhejiang Province, 325025 Permanent Road No. 135

Patentee before: Xiang Saisai

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Address after: 321000 No. 2, No. 878, North Kang Jie street, Jindong District, Jinhua, Zhejiang.

Patentee after: ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION Co.,Ltd.

Address before: 321002 No. 878 Kangji North Street, Jindong District, Jinhua City, Zhejiang Province

Patentee before: ZHEJIANG HOODI ENVIRONMENTAL SCIENCE & TECHNOLOGY Co.,Ltd.

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Denomination of invention: A method for treating kitchen waste

Effective date of registration: 20220427

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Address before: 321000 No. 2, No. 878, North Kang Jie street, Jindong District, Jinhua, Zhejiang.

Patentee before: ZHEJIANG HONGDIAN ENVIRONMENTAL PROTECTION Co.,Ltd.