CN104259179A - Kitchen waste treatment process - Google Patents
Kitchen waste treatment process Download PDFInfo
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- CN104259179A CN104259179A CN201410468647.7A CN201410468647A CN104259179A CN 104259179 A CN104259179 A CN 104259179A CN 201410468647 A CN201410468647 A CN 201410468647A CN 104259179 A CN104259179 A CN 104259179A
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- food waste
- changing food
- treatment process
- oil
- separation
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- 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
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- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kitchen waste treatment process. The process comprises the following treatment steps: firstly, pre-treating kitchen waste; secondly, mechanically selecting the kitchen waste, removing impurity and pulping to obtain slurry; thirdly, pumping the slurry into a pressure kettle, performing high temperature digesting for sterilizing and disinfecting by using saturated steam; and fourthly, feeding the slurry into a three-phase separation device to obtain an organic fertilizer and industrial crude oil. According to the kitchen waste treatment process provided by the invention, the kitchen waste which is used as raw materials, the solid-liquid separation and the oil-water separation of the kitchen waste are realized by using the process, so that feed additives, the organic fertilizers and the industrial crude oil are prepared; in the whole production process, the closed production can be realized and the secondary pollution is avoided.
Description
Technical field
The present invention relates to one way of life garbage treating process, particularly relate to a kind of changing food waste treatment process.
Background technology
Changing food waste is topmost one in food refuse, comprise the food process leftover bits and pieces of the generations such as family, school, dining room and catering industry and edible remnants, its complicated component, mainly comprises the mixture of the many kinds of substances such as oil, water, pericarp, vegetables, rice and flour, fish, meat, bone and useless tableware, plastics, paper handkerchief.China's changing food waste quantity is very huge, and in quick ascendant trend.Along with the continuous quickening of urbanization process, the environment that changing food waste brings and ecological problem day by day remarkable.The harm that changing food waste produces mainly contains the following aspects: the first, affect the city appearance of the city and human settlement.Changing food waste shows as greasy pollutant more, affect the vision of people and the comfort of sense of smell and living-hygienic, most changing food waste has very high moisture content and organic component, makes it become the place of microbial growth, and high-moisture percentage also brings garbage transporting and intractability to increase simultaneously.In addition, changing food waste can increase aerogenesis and the percolate precipitation of landfill yard, can cause earth's surface and underground water pollution.The second, changing food waste Chang Zuowei forage feed domestic animal, also just says the swill pig be commonly called as.At present, generally livestock and poultry are raised with changing food waste with vast raising family, the agriculture district adjoined mutually in considerable province of China, city and vast rural area, city suburbs, particularly feed pigs and become a kind of traditional habit, swill collection, keeping, deposit in start fermentation, acidifying, mouldy even corruption, and be often mixed with impurity and foreign matter in swill, as gravel, iron wire, shell, bone, toothpick, plastic products etc., physical injury is caused to livestock and poultry alimentary tract.In addition, kitchen castoff is very easily subject to the pollution of the heavy metals such as aluminium, mercury, cadmium and organic compound, benzene-like compounds, after being used by pig feed, harmful substance is accumulated in the tissue such as liver, kidney, fat, muscle of pig, people has eaten after such pork acquires a certain degree, and the systemic immune function such as liver, kidney will be caused to decline.More seriously, the harmfulness of changing food waste to be also far from be familiar with by people, the changing food waste in most domestic city is still transported to pig farm, outskirts of a town and raises swill pig.Three, recycled wood materials produces harm.Under the ordering about of interests, some illegal retailers reclaim the oil-containing swill in changing food waste production process, and by heating, filter, a series of means such as distillation extract grease, then utilize these greases to sell some little food and manage point, restaurant etc. and seek interests.The waste oil that process refinement obtains is with impurity, and the noxious material such as aflatoxins, benzene can be infected with in the inside, and the long-term edible generation that can cause the chronic diseases such as tumour, as the tumour of stomach, the tumour of liver.In addition, waste oil through complicated biochemical reaction, produces the tool material frowzy such as aldehyde, acid that a series of composition is complicated in water body, and the odor dispersion of these stink substances is to aerial, and atmosphere pollution, worsens living environment.
The main method processing changing food waste in prior art is: one, pulverizing is direct is afterwards removed by row of conduits.But this method is only only applicable to the less situation of changing food waste amount, and there is drawback, as easily caused drainage pipeline to block, increasing the weight of municipal sewage and getting rid of burden, and causing secondary pollution.Two, direct landfill.Although the process simple to operate of this method is convenient, does not meet energy-conserving and environment-protective, the idea of development recycled, easily cause the waste of available resources.Three, energy process.This method mainly comprises burning method, thermal decomposition method, ferment for hydrogen production etc.This processing method can realize the recycling of the energy, but cost of investment is large, vent gas treatment difficulty.
In sum; for the harm that changing food waste exists; the deficiency that existing Food waste treatment method exists, and the policy theory of preserving the ecological environment for implementing, ensureing food security, Renewable Energy Development, improving energy resource structure, the present invention proposes a kind of changing food waste treatment process.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of changing food waste treatment process, take changing food waste as raw material, realize changing food waste Separation of Solid and Liquid and water-oil separating by this technique, be made into organic fertilizer and raw material of industry oil, whole production technology realizes airtight production, non-secondary pollution.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of changing food waste treatment process, comprising following treatment step;
The first step, pretreatment is carried out to changing food waste; First changing food waste by garbage removing cart impouring meal kitchen pretreatment pool, realizes elementary Separation of Solid and Liquid at pretreatment pool, manually fishes for the foreign material such as band large-scale metal, ceramics;
Second step, machinery select impurity elimination, making beating; After salvaging, changing food waste is entered after impurity elimination selected by machinery and enter making beating link.
3rd step, the slurry made to be pumped in reactor with saturated vapor thermophilic digestion and sterilization.
4th step, the slurry after disinfection is entered three phase separation equipment, utilize the different in kind of material in slurries, in High Rotation Speed centrifugal field, heavy and light material there will be separation, synchronously realizes solid phase, oil phase is separated with three of water.The solid matter obtained makes the organic fertilizer being rich in the multiple activating substances such as the trace element such as organic matter and nitrogen, phosphorus, potassium, calcium, zinc, iron, manganese and auxin, vitamin, organic acid, amino acid; Waste water after water-oil separating, receives tube drainage by cutting a dirt; Grease after separation extracts the raw material of industry oil be made into for oil and fat chemical, daily-use chemical industry.
Above-mentioned a kind of changing food waste treatment process, wherein, carries out airtight to workshop in this process implementing process, collects the waste gas produced in production with negative pressure method, high tower discharge after combustion apparatus Thorough combustion.
Above-mentioned a kind of changing food waste treatment process, wherein, is carrying out pretreatment to changing food waste application de-burring machine.
Above-mentioned a kind of changing food waste treatment process, wherein, applies elevator and changing food waste is put into pulverizer and carry out making beating and process, slurry is pumped into reactor thermophilic digestion dissipation in making beating link.
Above-mentioned a kind of changing food waste treatment process, wherein, synchronously realizes solids, oil, water three separation by the slurry after dissipation by three phase separation link.
Above-mentioned a kind of changing food waste treatment process, wherein, the solid matter after described Separation of Solid and Liquid is made into organic fertilizer, packaging after drying.
Above-mentioned a kind of changing food waste treatment process, wherein, the raw material of industry oil after described Separation of Solid and Liquid puts into oil storage tank by oil pump.
The present invention contrasts prior art following beneficial effect: changing food waste treatment process provided by the invention; with protection and environmental protect, prevent with decreasing pollution, improve the ecological environment into guidance; take into account as principle with environmental benefit, Social benefit and economic benefit, product development and resource recycling are organically combined.Through present treatment technique, the solid matter after three phase separation, is made into the organic fertilizer being rich in the multiple activating substances such as the trace element such as organic matter and nitrogen, phosphorus, potassium, calcium, zinc, iron, manganese and auxin, vitamin, organic acid, amino acid.Liquid substance after Separation of Solid and Liquid is used for the raw material of industry oil of oil and fat chemical, daily-use chemical industry; Rational technology process manual operation provided by the invention and the relation automatically controlled, follow recycling economy guiding theory, and strengthening comprehensive utilization, realizes the benign cycle of the ecosystem.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of changing food waste treatment process of the present invention;
Fig. 2 is the flow chart of changing food waste treatment process of the present invention.
In figure:
Rear making beating 3 three phase centrifugation seperator selected by 1 artificial separation solid-liquid primary separation platform 2 machinery
4 sterilization tank 5 storage tank 6 oil storage tanks
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Refer to Fig. 1 and Fig. 2.A kind of changing food waste treatment process provided by the invention, wherein, comprises following treatment step;
The first step, pretreatment is carried out to changing food waste; First changing food waste by garbage removing cart impouring meal kitchen pretreatment pool, realizes elementary Separation of Solid and Liquid at pretreatment pool, manually fishes for the foreign material such as band large-scale metal, ceramics;
Second step, machinery select impurity elimination, making beating; After salvaging, changing food waste is entered after impurity elimination selected by machinery and enter making beating link.
3rd step, the slurry made to be pumped in reactor with saturated vapor thermophilic digestion and sterilization.
4th step, the slurry after disinfection is entered three phase separation equipment, utilize the different in kind of material in slurries, in High Rotation Speed centrifugal field, heavy and light material there will be separation, synchronously realizes solid phase, oil phase is separated with three of water.The solid matter obtained makes the organic fertilizer being rich in the multiple activating substances such as the trace element such as organic matter and nitrogen, phosphorus, potassium, calcium, zinc, iron, manganese and auxin, vitamin, organic acid, amino acid; Waste water after water-oil separating, receives tube drainage by cutting a dirt; Grease after separation extracts the raw material of industry oil be made into for oil and fat chemical, daily-use chemical industry.
Carry out airtight to workshop in this process implementing process, collect the waste gas produced in production with negative pressure method, high tower discharge after combustion apparatus Thorough combustion.Pretreatment is being carried out to changing food waste application de-burring machine.In making beating link, apply elevator changing food waste put into pulverizer and carry out making beating process, changing food waste is put into sterilization tank after pulling an oar and is carried out heating and sterilizing, then enters three-phase separator and carry out solid, oily, water lock out operation.Solid matter after described Separation of Solid and Liquid is made into organic fertilizer post-drying packaging.Raw material of industry oil after described Separation of Solid and Liquid puts into oil storage tank by oil pump.
Changing food waste treatment process provided by the invention; with protection and environmental protect, prevent with decreasing pollution, improve the ecological environment into guidance; take into account as principle with environmental benefit, Social benefit and economic benefit, product development and resource recycling are organically combined.Through present treatment technique, solid matter, is made into the organic fertilizer being rich in the multiple activating substances such as the trace element such as organic matter and nitrogen, phosphorus, potassium, calcium, zinc, iron, manganese and auxin, vitamin, organic acid, amino acid.Liquid substance after Separation of Solid and Liquid is used for the raw material of industry oil of oil and fat chemical, daily-use chemical industry; Rational technology process manual operation provided by the invention and the relation automatically controlled, follow recycling economy guiding theory, and strengthening comprehensive utilization, realizes the benign cycle of the ecosystem.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (7)
1. a changing food waste treatment process, is characterized in that: comprise following treatment step;
The first step, pretreatment is carried out to changing food waste; First changing food waste by garbage removing cart impouring meal kitchen pretreatment pool, realizes elementary Separation of Solid and Liquid at pretreatment pool, manually fishes for the foreign material such as band large-scale metal, ceramics;
Second step, machinery select impurity elimination, making beating; After salvaging, changing food waste is entered after impurity elimination selected by machinery and enter making beating link.
3rd step, the slurry made to be pumped in reactor with saturated vapor thermophilic digestion and sterilization.
4th step, the slurry after disinfection is entered three phase separation equipment, utilize the different in kind of material in slurries, in High Rotation Speed centrifugal field, heavy and light material there will be separation, synchronously realizes solid phase, oil phase is separated with three of water.The solid matter obtained makes the organic fertilizer being rich in the multiple activating substances such as the trace element such as organic matter and nitrogen, phosphorus, potassium, calcium, zinc, iron, manganese and auxin, vitamin, organic acid, amino acid; Waste water after water-oil separating, receives tube drainage by cutting a dirt; Grease after separation extracts the raw material of industry oil be made into for oil and fat chemical, daily-use chemical industry.
2. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: carry out airtight to workshop in this process implementing process, collects the waste gas produced in production with negative pressure method, high tower discharge after combustion apparatus burning.
3. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: carrying out pretreatment to changing food waste application de-burring machine.
4. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: in making beating link, apply elevator changing food waste put into pulverizer and carry out making beating process, changing food waste is put into reactor after pulling an oar and carried out heating and sterilizing.
5. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: the slurry after heating disinfection is entered three-phase separating device and obtain solid, oily, water three separation.
6. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: the solid matter after described separation carries out drying and packaging after being made into organic fertilizer.
7. a kind of changing food waste treatment process as claimed in claim 1, is characterized in that: the raw material of industry oil after described Separation of Solid and Liquid puts into oil storage tank by oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468647.7A CN104259179A (en) | 2014-09-12 | 2014-09-12 | Kitchen waste treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468647.7A CN104259179A (en) | 2014-09-12 | 2014-09-12 | Kitchen waste treatment process |
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| CN104259179A true CN104259179A (en) | 2015-01-07 |
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| CN201410468647.7A Pending CN104259179A (en) | 2014-09-12 | 2014-09-12 | Kitchen waste treatment process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695049A (en) * | 2019-09-25 | 2020-01-17 | 上海正均环境科技有限公司 | Process and device suitable for continuous treatment of wet garbage |
| CN110759756A (en) * | 2019-10-23 | 2020-02-07 | 上海臻漫环保设备有限公司 | Wet waste treatment method and system |
| CN111069236A (en) * | 2019-12-20 | 2020-04-28 | 上海耀嵘环保科技有限公司 | Advanced treatment process for kitchen waste |
| CN113333430A (en) * | 2021-04-29 | 2021-09-03 | 徐丹波 | Organic garbage waste resource pretreatment system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695049A (en) * | 2019-09-25 | 2020-01-17 | 上海正均环境科技有限公司 | Process and device suitable for continuous treatment of wet garbage |
| CN110759756A (en) * | 2019-10-23 | 2020-02-07 | 上海臻漫环保设备有限公司 | Wet waste treatment method and system |
| CN111069236A (en) * | 2019-12-20 | 2020-04-28 | 上海耀嵘环保科技有限公司 | Advanced treatment process for kitchen waste |
| CN113333430A (en) * | 2021-04-29 | 2021-09-03 | 徐丹波 | Organic garbage waste resource pretreatment system and method |
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Address after: 314000 Zhejiang Province, Haining City Zhen Li Qun Cun Ding Qiao Friendship Group No. 26 Applicant after: Zhejiang Oasis Environmental Energy Co., Ltd. Address before: 314000 Zhejiang Province, Haining City Zhen Li Qun Cun Ding Qiao Friendship Group No. 26 Applicant before: HAINING OASIS ENVIRONMENTAL PROTECTION ENERGY CO., LTD. |
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Application publication date: 20150107 |