CN103191907A - Integrated technology process for processing kitchen waste - Google Patents
Integrated technology process for processing kitchen waste Download PDFInfo
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- CN103191907A CN103191907A CN2013101343659A CN201310134365A CN103191907A CN 103191907 A CN103191907 A CN 103191907A CN 2013101343659 A CN2013101343659 A CN 2013101343659A CN 201310134365 A CN201310134365 A CN 201310134365A CN 103191907 A CN103191907 A CN 103191907A
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Abstract
The invention discloses an integrated technology process for processing kitchen waste. The process comprises the following steps of: (1) collecting the kitchen waste; (2) separating kitchen waste components; (3) carrying out anaerobic fermentation on the kitchen waste; (4) carrying out aerobic biological treatment on the kitchen waste; and (5) carrying out wastewater biological treatment. According to the integrated technology process provided by the invention, a series of technologies such as transportation under monitoring, component separation, physical treatment and biological treatment are carried out on the kitchen waste, the coordinated process type kitchen waste treatment process is formed, finally, the aims of harmless, reduction and recycling of the kitchen waste are realized, and the integrated technology process provides a technical support for region sustainable economic development, energy conservation and emission reduction and the environment-friendly society.
Description
Technical field
The present invention discloses a kind of changing food waste processing method, and particularly a kind of integrated technology technology of handling diet and kitchen wastes belongs to environmental protection technical field, relates to streamlined integrated technology technologies such as waste resource management, discarded object conversion environment engineering.
Background technology
The food and drink custom of China is different from western countries, causes China's kitchen castoff to have characteristics such as generation is big, complicated component, the high and easy corruption of moisture content.Do not deal carefully with as if this changing food waste is not added, not only can cause serious environmental to pollute, but also can damage public health.At present, the rate of clearing of China's city kitchen castoff and resource rate are far below the international average level, not only the source decrement of house refuse, categorised collection are not popularized as yet, and the receipts of kitchen castoff fortune is also managed unordered, most of kitchen castoff is transported to the suburb by illegal retailer and directly feeds pigs as feed, or therefrom refine waste oil and return dining table, the waste oil that namely is commonly called as.Thereby formed non-normal logistics among the people and received the fortune system, administrative department is difficult to monitoring, and the product whereabouts is uncontrollable, has huge environmental pollution and food security hidden danger.
Summary of the invention
Handle nonstandard shortcoming at the above-mentioned changing food waste of mentioning of the prior art, the invention provides a kind of integrated technology technology of handling diet and kitchen wastes, it is by special PROCESS FOR TREATMENT, changing food waste is supervised in overall process from the source to the end product, the equal allow compliance with emission standards of emission has reduced the pollution to environment greatly.
The technical scheme that the present invention solves its technical problem employing is: a kind of integrated technology technology of handling diet and kitchen wastes, this technology comprises the steps:
(1), the receipts of changing food waste fortune;
(2), the changing food waste component separates;
(3), changing food waste anaerobic fermentation;
(4), the changing food waste aerobe is handled;
(5), biological wastewater treatment.
The technical scheme that the present invention solves its technical problem employing further comprises:
The collection of described step (1) changing food waste adopts the changing food waste collecting cart to collect, and is equipped with the GPS navigation system on the changing food waste collecting cart.
When described step (2) changing food waste component separates, by ventilation flotation mode with the biodegradable part in the changing food waste and non-biodegradation part.
Plastics in the described non-biodegradation part carry out burning disposal, and the weight in the non-biodegradation part carries out landfill after the magnetic separation.
Described biodegradable part is carried out Separation of Solid and Liquid by the mode of filtration or press filtration, and it is divided into solid refuse and liquid refuse.
Described liquid refuse is carried out water-oil separating, and grease wherein enters fatty acid ester production technology production biodiesel.
Described solid refuse carries out the anaerobism producing methane after pulverizing.
The natural pond liquid that described anaerobism producing methane produces carries out wastewater treatment, the natural pond slag by after the Aerobic Process for Treatment as organic fertilizer.
Described technology also comprises the foul smell processing.
The invention has the beneficial effects as follows: a series of technology such as the transhipment under the integrated changing food waste monitoring of the present invention, component separation, physical treatment, biological treatment, form one continuous line and handle kitchen castoff technology, final realize that changing food waste is innoxious, minimizing and resource target, for the regional sustained economic development, realize that energy-saving and emission-reduction, the friendly type of constructing environment society provide technical support.
The present invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is schematic flow sheet of the present invention.
The specific embodiment
Present embodiment is the preferred embodiment for the present invention, and other all its principles are identical with present embodiment or approximate with basic structure, all within protection domain of the present invention.
Please referring to accompanying drawing 1, the present invention is mainly a kind of integrated technology process that diet and kitchen wastes one continuous line is handled of handling, and it mainly comprises the steps:
(1), the receipts of changing food waste fortune;
(2), the changing food waste component separates;
(3), changing food waste anaerobic fermentation;
(4), the changing food waste aerobe is handled;
(5), biological wastewater treatment.
In the present embodiment, the collection step of changing food waste adopts special changing food waste collecting cart to collect, the changing food waste collecting cart comprises that mainly the container containing group of headstock and sealing becomes, the GPS navigation system is equipped with on the changing food waste collecting cart, by GIS technology (GIS-Geographic Information System (GIS, Geographic Information System) is a comprehensive branch of learning, Neo-Confucianism and cartography in combination, be applied in different fields widely, be for input, storage, inquiry, analyze and show the computer system of geodata, it is " geography information science " (Geographic Information Science) that the GIS of title is also arranged now.) in conjunction with the GPS navigation location, realize the centralized management to the changing food waste collecting cart.GIS be for the treatment of with the technology of locus related data, all be widely used in fields such as vehicle monitoring, GPS navigations at present, based on the Vehicular intelligent regulator control system of GIS technology in the application of industries such as logistics also report to some extent.Collection, transportation at kitchen castoff are not also promoted fully in China, it is unsound to receive the fortune system, and under the situation of the particularity that has of the receipts fortune process of kitchen castoff, the present invention adopts based on kitchen castoff receipts fortune intelligent control and the management platform of GIS and sets up the dispatching and monitoring centring system, to receiving fortune rubbish all-the-way tracking and management, not only improve operating efficiency, and guaranteed the transhipment quality.
Because the characteristics of Chinese meal self are different with other countries, cause that main component is solid refuse and liquid refuse in the changing food waste of Chinese meal, in the present embodiment, the flotation mode of at first ventilating in changing food waste component separating step is separated with non-biodegradable part biodegradable part wherein.Since in the changing food waste except containing leftovers, also contain such as polybag, throwaway chopsticks, broken china bowl, spoon etc., these foreign material need be separated, in the present embodiment, adopt the component knockout tower to separate, the component knockout tower is similar to the canned thing of a sealing, changing food waste is fed in the component knockout tower from component knockout tower one side top, simultaneously, to inner bubbling air, to its flotation of ventilating, it is fed in the knockout tower endlessly in component knockout tower bottom, advance by self thrust forward, in the process of advancing, utilize the proportion difference of different component, namely embody its sinking speed difference, in the process of advancing, polybag, lightweight things such as throwaway chopsticks can float on the surface, broken china bowl, spoons etc. can at first sink to the bottom, for the polybag of surface flotation, throwaway chopsticks etc. strike off, china bowl for the fragmentation of bottom, spoons etc. carry out batch (-type) to be pushed away and removes, and remaining intermediate layer is the biodegradable part of changing food waste.
Carry out directly carrying out burning disposal after drying dehydration or the airing for the polybag after separating, throwaway chopsticks etc.At first carry out magnetic separation for the china bowl of fragmentation, spoon etc. and handle, the iron of the inside is screened, remaining is some broken porcelain, directly carries out landfill disposal.
The biodegradable part of remaining changing food waste mainly comprises as leftovers, leftovers (or wheaten food) etc., at first carry out Separation of Solid and Liquid for this part, grease, waste water and the leftovers of the inside, leftovers etc. are separated, in the present embodiment, Separation of Solid and Liquid can adopt realizations such as filtration, press filtration or static layering.Mainly contain water and oil in the liquid after the Separation of Solid and Liquid, be mainly leftovers, leftovers (or wheaten food) etc. in the solid and be rich in cellulose biomass and a certain amount of protein starch etc., these biodegradable biological substances.
The liquid refuse of separating partly contains culinary art waste oil, it carries out water-oil separating by centrifugal drier or sedimentation centrifuge, grease is wherein separated with moisture, grease after the separation enters the fatty acid ester production technology, pre-fatization, fatization, distillation by routine are handled, production department's biodiesel makes it not to be re-used as waste oil and gets back on the dining table.In the present embodiment, can adopt routine techniques by the grease production biodiesel.Moisture after the water-oil separating is by conventional Aerobic Process for Treatment, Anaerobic Treatment etc., discharges after making it to reach discharge standard.
The solid portion of separating, namely leftovers, leftovers (or wheaten food) etc. directly enter anaerobic fermentation and produce methane technology production biogas.In the present embodiment, the changing food waste anaerobic fermentation is produced biogas and is carried out in methane-generating pit, in methane-generating pit through the synergies of anaerobe methane backeria and other microorganisms, can produce methane gas, the methane gas that anaerobic technique produces is transported to air accumulator through collection, be supplied to family, factory, dining room, restaurant etc. to act as a fuel, perhaps utilize biogas to generate electricity.This process of anaerobic fermentation is the Biochemical processes of a complexity, relates to the synergy of multiple microbial metabolism, monitors this process by molecular biology method, can realize optimizing reactor parameter, thereby reaches the High-efficient Production methane gas.The discarded object that this step produces comprises natural pond liquid and natural pond slag.The natural pond slag that produces behind the anaerobic fermentation, forward solid-state fermentation reactor to, under aeration status, not by the natural pond slag of anaerobic biodegradation, inoculation aerobic microbiological (or aerobic functional microorganism) carries out aerobic fermentation, the composite back of its product is as common fertilizer or fertilizers, and the processing of natural pond slag can be adopted the treatment process of natural pond slag conventional in the prior art.Natural pond liquid then is disposed to the waste water place, together handles with waste water.
Also include the foul smell treatment process among the present invention, the foul smell that produces in the entire process process or gas with foreign flavor collected focus on, in the present embodiment, the foul smell treatment process can adopt the mode of photocatalyst catalyzed combination UV-irradiation that it is handled, perhaps adopt the ozone oxidation method that foul smell is handled, changing food waste is handled reached zero-emission.
A series of technology such as the transhipment under the integrated changing food waste monitoring of the present invention, component separation, physical treatment, biological treatment, form one continuous line and handle kitchen castoff technology, final realize that changing food waste is innoxious, minimizing and resource target, for the regional sustained economic development, realize that energy-saving and emission-reduction, the friendly type of constructing environment society provide technical support.
Claims (9)
1. integrated technology technology of handling diet and kitchen wastes, it is characterized in that: described technology comprises the steps:
(1), the receipts of changing food waste fortune;
(2), the changing food waste component separates;
(3), changing food waste anaerobic fermentation;
(4), the aerobic composting of changing food waste;
(5), biological wastewater treatment.
2. the integrated technology technology of processing diet and kitchen wastes according to claim 1 is characterized in that: the collection of described step (1) changing food waste adopts the changing food waste collecting cart to collect, and is equipped with the GPS navigation system on the changing food waste collecting cart.
3. the integrated technology technology of processing diet and kitchen wastes according to claim 1 is characterized in that: when described step (2) changing food waste component separates, by ventilation flotation mode with the biodegradable part in the changing food waste and non-biodegradation part.
4. the integrated technology technology of processing diet and kitchen wastes according to claim 3 is characterized in that: the plastics in the described non-biodegradation part carry out burning disposal, and the weight in the non-biodegradation part carries out landfill after the magnetic separation.
5. the integrated technology technology of processing diet and kitchen wastes according to claim 3 is characterized in that: described biodegradable part is carried out Separation of Solid and Liquid by filtering or the mode of press filtration, and it is divided into solid refuse and liquid refuse.
6. the integrated technology technology of processing diet and kitchen wastes according to claim 5, it is characterized in that: described liquid refuse is carried out water-oil separating, and grease wherein enters fatty acid ester production technology production biodiesel.
7. the integrated technology technology of processing diet and kitchen wastes according to claim 5 is characterized in that: carry out the anaerobism producing methane after the described solid refuse pulverizing.
8. the integrated technology technology of processing diet and kitchen wastes according to claim 7 is characterized in that: the natural pond liquid that described anaerobism producing methane produces carries out wastewater treatment, the natural pond slag by after the Aerobic Process for Treatment as organic fertilizer.
9. according to the integrated technology technology of any described processing diet and kitchen wastes in the claim 1 to 8, it is characterized in that: described technology also comprises the foul smell processing.
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| CN2013101343659A CN103191907A (en) | 2013-04-17 | 2013-04-17 | Integrated technology process for processing kitchen waste |
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| CN2013101343659A CN103191907A (en) | 2013-04-17 | 2013-04-17 | Integrated technology process for processing kitchen waste |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103357647A (en) * | 2013-07-25 | 2013-10-23 | 何国森 | Garbage classification processing method |
| CN103752586A (en) * | 2014-01-24 | 2014-04-30 | 大连泰达环保有限公司 | Comprehensive utilization pretreatment method of kitchen waste |
| CN104651413A (en) * | 2014-10-11 | 2015-05-27 | 北京联合燃气技术研究发展中心 | Recycling treatment method and system for kitchen waste |
| CN104826852A (en) * | 2015-05-06 | 2015-08-12 | 天津理工大学 | Household garbage processing method adopting aerobic-anaerobic two-phase combined-type biological landfill treatment |
| CN110777895A (en) * | 2019-11-11 | 2020-02-11 | 长沙凯天工研院环保服务有限公司 | Kitchen waste treatment system |
| CN110818455A (en) * | 2019-12-04 | 2020-02-21 | 甘肃驰奈生物能源系统有限公司 | Multi-source organic waste integrated disposal method suitable for farming, pasturing and tourism areas |
| CN112028383A (en) * | 2020-07-10 | 2020-12-04 | 蔚复来(浙江)科技股份有限公司 | Wastewater purification device and method for kitchen waste treatment |
| CN112058854A (en) * | 2020-08-04 | 2020-12-11 | 北京环境工程技术有限公司 | Kitchen waste dehydration composting process and system |
| CN113501618A (en) * | 2021-07-07 | 2021-10-15 | 广州市土木金建筑工程有限公司 | Waste and wastewater separation process for urban sundry management |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104826852A (en) * | 2015-05-06 | 2015-08-12 | 天津理工大学 | Household garbage processing method adopting aerobic-anaerobic two-phase combined-type biological landfill treatment |
| CN110777895A (en) * | 2019-11-11 | 2020-02-11 | 长沙凯天工研院环保服务有限公司 | Kitchen waste treatment system |
| CN110818455A (en) * | 2019-12-04 | 2020-02-21 | 甘肃驰奈生物能源系统有限公司 | Multi-source organic waste integrated disposal method suitable for farming, pasturing and tourism areas |
| CN112028383A (en) * | 2020-07-10 | 2020-12-04 | 蔚复来(浙江)科技股份有限公司 | Wastewater purification device and method for kitchen waste treatment |
| CN112058854A (en) * | 2020-08-04 | 2020-12-11 | 北京环境工程技术有限公司 | Kitchen waste dehydration composting process and system |
| CN113501618A (en) * | 2021-07-07 | 2021-10-15 | 广州市土木金建筑工程有限公司 | Waste and wastewater separation process for urban sundry management |
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Application publication date: 20130710 |