CN104761302A - System for processing kitchen wastes - Google Patents
System for processing kitchen wastes Download PDFInfo
- Publication number
- CN104761302A CN104761302A CN201510177448.5A CN201510177448A CN104761302A CN 104761302 A CN104761302 A CN 104761302A CN 201510177448 A CN201510177448 A CN 201510177448A CN 104761302 A CN104761302 A CN 104761302A
- Authority
- CN
- China
- Prior art keywords
- kiln
- dividing plate
- sorter
- photochemical catalysis
- dry tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010806 kitchen waste Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000006148 magnetic separator Substances 0.000 claims abstract description 9
- 238000005057 refrigeration Methods 0.000 claims abstract description 9
- 238000006555 catalytic reaction Methods 0.000 claims description 25
- 239000010813 municipal solid waste Substances 0.000 claims description 25
- 230000001877 deodorizing effect Effects 0.000 claims description 22
- 230000018044 dehydration Effects 0.000 claims description 21
- 238000006297 dehydration reaction Methods 0.000 claims description 21
- 239000010794 food waste Substances 0.000 claims description 19
- 239000011941 photocatalyst Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002912 waste gas Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 102000002322 Egg Proteins Human genes 0.000 abstract description 3
- 108010000912 Egg Proteins Proteins 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract description 3
- 210000004681 ovum Anatomy 0.000 abstract description 3
- 230000003071 parasitic effect Effects 0.000 abstract description 3
- 241000700605 Viruses Species 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 238000005453 pelletization Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 231100000678 Mycotoxin Toxicity 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002636 mycotoxin Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a system for processing kitchen wastes. The system comprises a waste storage box, a magnetic separator, a sorting machine, a dehydrating and de-odorizing drying tower, a light catalyst chamber, a drying chamber, a lifting stirrer, a far infrared heating lamp, an ultraviolet lamp, a movable heat resistant partition plate, a flexible heat resistant partition plate, a rotatable metal inner container with a mesh-shaped side wall, a pelletizer, a filtering device, a top plate coated with a light catalyst at the inner side and a refrigeration device. By utilizing the system, three steps of drying, de-odorizing and pelletizing are realized in one processing tower; the wastes processed by the system are heated to reach a high temperature by far infrared ray, thereby killing most parasitic ovum and virus; the water content of the wastes dried by the system is 5-10%, the water content is lower than that of other methods, and the volume of the wastes is reduced further.
Description
Technical field
The present invention relates to a kind of system 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 system 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 system processing changing food waste, comprise garbage storing box, magnetic separator, sorter, dehydration deodorizing dry tower, photochemical catalysis room, kiln, liftable agitator, far-infrared heating lamp, ultraviolet lamp, removable heat-resisting dividing plate, movable heat-resisting dividing plate, sidewall are netted rotatable metallic inner bag, the top board, refrigeration plant etc. of tablets press, filtration unit, inner side coating photocatalyst, wherein the discharge port of garbage storing box connects the entrance of sorter by airtight delivery line, the top of sorter is provided with a magnetic separator, the outlet at bottom of sorter connects the top entry of dehydration deodorizing dry tower by airtight delivery line, dehydration deodorizing dry tower is a cylindrical structure, its top is the top board of inner side coating photocatalyst, this top board is provided with some ultraviolet lamps, the removable heat-resisting dividing plate having one can extract out in the middle part of dehydration deodorizing dry tower, this dividing plate is made up of two semicircle dividing plates, it is provided with some far-infrared heating lamps, dehydration deodorizing dry tower is separated into photochemical catalysis room and kiln two parts by this removable heat-resisting dividing plate, the inside of photochemical catalysis room is provided with a refrigeration plant, the inside of kiln is a sidewall is netted rotatable metallic inner bag, it is a movable heat-resisting dividing plate bottom its inner bag, a liftable agitator is installed at the center of the top board of inner side coating photocatalyst, the bottom deslagging outlet of kiln is by connecting tablets press by airtight delivery line, below the sidewall of kiln, drain outlet connects filtration unit by pipeline, the spoil disposal outlet of filtration unit connects the top entry of dehydration deodorizing dry tower by airtight delivery line, garbage storing box, the top vent pipeline of sorter and tablets press is connected to the inlet mouth of photochemical catalysis room.
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
The system of process changing food waste as shown in Figure 1, comprises garbage storing box 1, magnetic separator 2, sorter 3, dehydration deodorizing dry tower 4, photochemical catalysis room 5, kiln 6, liftable agitator 7, far-infrared heating lamp 8, ultraviolet lamp 9, removable heat-resisting dividing plate 10, movable heat-resisting dividing plate 11, sidewall is netted rotatable metallic inner bag 12, the top board 15, refrigeration plant 16 etc. of tablets press 13, filtration unit 14, inner side coating photocatalyst; Wherein the discharge port of garbage storing box 1 connects the entrance of sorter 3 by airtight delivery line, the top of sorter 3 is provided with a magnetic separator 2, after changing food waste enters sorter 3, first by magnetic separator 2, metallics in rubbish is separated, and then by sorter 3, the plastics such as the plastics bag in changing food waste, plastic lunch box are separated, the outlet at bottom of sorter 3 connects the top entry of dehydration deodorizing dry tower 4 by airtight delivery line, sort complete changing food waste and be transported in dehydration deodorizing dry tower 4 by airtight delivery line by the outlet at bottom of sorter 3.Dehydration deodorizing dry tower 4 is a cylindrical structure, its top is the top board 15 of inner side coating photocatalyst, this top board is provided with some ultraviolet lamps 9, the removable heat-resisting dividing plate 10 having one can extract out in the middle part of dehydration deodorizing dry tower 4, this dividing plate is made up of two semicircle dividing plates, it is provided with some far-infrared heating lamps 8, dehydration deodorizing dry tower 4 is separated into photochemical catalysis room 5 and kiln 6 two parts by this removable heat-resisting dividing plate 10, the inside of photochemical catalysis room 5 is provided with a refrigeration plant 16, the inside of kiln 6 is a sidewall is netted rotatable metallic inner bag 12, it is a movable heat-resisting dividing plate 11 bottom its inner bag, a liftable agitator 7 is installed at the center of the top board 15 of inner side coating photocatalyst, the bottom deslagging outlet of kiln 6 connects tablets press 13 by airtight delivery line, below the sidewall of kiln 6, drain outlet connects filtration unit 14 by pipeline.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, far-infrared heating lamp 8 is opened, heat drying is carried out to rubbish, 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, the gas entered is cooled, the foul gas evaporated, the obnoxious flavoures such as volatile organic matter apply photocatalyst under the irradiation of ultraviolet lamp 9 top board 15 with inner side contacts, 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 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.The spoil disposal outlet of filtration unit 14 connects the top entry of dehydration deodorizing dry tower 4 by airtight delivery line, 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, garbage storing box 1, the top vent pipeline of sorter 3 and tablets press 13 is connected to the inlet mouth of photochemical catalysis room 5, garbage storing box 1, sorter 3 and the interior foul gas etc. produced of tablets press 13 enter the waste gas produced with kiln 6 in photochemical catalysis room 5 and handle together.Optimal temperature in photochemical catalysis room 5 is 0 ~ 90 DEG C; The wavelength region of ultraviolet lamp 9 is 185 ~ 254nm, and inside top board 15, the photocatalyst of coating is nano titanium dioxide photocatalyst, and waste gas is about 5 ~ 10min in the residence time of photochemical catalysis room 5.The temperature of reaction of kiln 6 220 ~ 280 DEG C, the wavelength region of far-infrared lamp 9 is 2.5 ~ 6 μm.The heat-up time of rubbish in kiln 6 is 30min.
Claims (3)
1. process a system for changing food waste, it is characterized in that this system comprises garbage storing box, magnetic separator, sorter, dehydration deodorizing dry tower, photochemical catalysis room, kiln, liftable agitator, far-infrared heating lamp, ultraviolet lamp, removable heat-resisting dividing plate, movable heat-resisting dividing plate, sidewall are netted rotatable metallic inner bag, the top board, refrigeration plant etc. of tablets press, filtration unit, inner side coating photocatalyst, wherein the discharge port of garbage storing box connects the entrance of sorter by airtight delivery line, the top of sorter is provided with a magnetic separator, the outlet at bottom of sorter connects the top entry of dehydration deodorizing dry tower by airtight delivery line, dehydration deodorizing dry tower is a cylindrical structure, its top is the top board of inner side coating photocatalyst, this top board is provided with some ultraviolet lamps, the removable heat-resisting dividing plate having one can extract out in the middle part of dehydration deodorizing dry tower, this dividing plate is made up of two semicircle dividing plates, it is provided with some far-infrared heating lamps, dehydration deodorizing dry tower is separated into photochemical catalysis room and kiln two parts by this removable heat-resisting dividing plate, the inside of photochemical catalysis room is provided with a refrigeration plant, the inside of kiln is a sidewall is netted rotatable metallic inner bag, it is a movable heat-resisting dividing plate bottom its inner bag, a liftable agitator is installed at the center of the top board of inner side coating photocatalyst, the bottom deslagging outlet of kiln is by connecting tablets press by airtight delivery line, below the sidewall of kiln, drain outlet connects filtration unit by pipeline, the spoil disposal outlet of filtration unit connects the top entry of dehydration deodorizing dry tower by airtight delivery line, garbage storing box, the top vent pipeline of sorter and tablets press is connected to the inlet mouth of photochemical catalysis room.
2. the system of 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 system of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177448.5A CN104761302B (en) | 2015-04-16 | 2015-04-16 | A kind of system for handling kitchen garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177448.5A CN104761302B (en) | 2015-04-16 | 2015-04-16 | A kind of system for handling kitchen garbage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104761302A true CN104761302A (en) | 2015-07-08 |
| CN104761302B CN104761302B (en) | 2017-10-03 |
Family
ID=53643464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510177448.5A Active CN104761302B (en) | 2015-04-16 | 2015-04-16 | A kind of system for handling kitchen garbage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104761302B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107583935A (en) * | 2017-09-12 | 2018-01-16 | 灵璧鸿峰科技环保设备有限责任公司 | A kind of house refuse emission-control equipment |
| CN107983752A (en) * | 2017-12-10 | 2018-05-04 | 宁波高新区若水智创科技有限公司 | A kind of device and method of energy conservation and environmental protection processing kitchen garbage |
| WO2019104776A1 (en) * | 2017-11-30 | 2019-06-06 | 苏州美洁生环保工程有限公司 | Intelligent biochemical all-in-one kitchen garbage disposal machine |
| CN109956766A (en) * | 2017-12-26 | 2019-07-02 | 内蒙古神舟光伏电力有限公司 | A method of food waste fertilizer is prepared using photovoltaic electric energy processing rubbish from cooking |
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| CN204035178U (en) * | 2014-07-18 | 2014-12-24 | 江苏大学 | A kind of device of changing food waste process |
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2015
- 2015-04-16 CN CN201510177448.5A patent/CN104761302B/en active Active
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107583935A (en) * | 2017-09-12 | 2018-01-16 | 灵璧鸿峰科技环保设备有限责任公司 | A kind of house refuse emission-control equipment |
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| CN107983752A (en) * | 2017-12-10 | 2018-05-04 | 宁波高新区若水智创科技有限公司 | A kind of device and method of energy conservation and environmental protection processing kitchen garbage |
| CN109956766A (en) * | 2017-12-26 | 2019-07-02 | 内蒙古神舟光伏电力有限公司 | A method of food waste fertilizer is prepared using photovoltaic electric energy processing rubbish from cooking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104761302B (en) | 2017-10-03 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiang Jinglai Inventor before: Li Wenxin |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170728 Address after: Sand town street in Longwan District of Wenzhou City, 325025 city of Zhejiang province No. 719 Applicant after: Xiang Jinglai Address before: A village of 311800 Zhejiang city in Shaoxing Province, Zhuji City, East Street Licun Applicant before: Li Wenxin |
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Effective date of registration: 20191217 Address after: 423000 block B, building 10, innovation and entrepreneurship Park, Linyi Avenue, bailutang Town, Suxian District, Chenzhou City, Hunan Province Patentee after: Hunan province Jun Peng Environmental Protection Technology Co., Ltd. Address before: Sand town street in Longwan District of Wenzhou City, 325025 city of Zhejiang province No. 719 Patentee before: Xiang Jinglai |