CN107321771A - A kind of processing method of kitchen garbage - Google Patents

A kind of processing method of kitchen garbage Download PDF

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Publication number
CN107321771A
CN107321771A CN201710742851.7A CN201710742851A CN107321771A CN 107321771 A CN107321771 A CN 107321771A CN 201710742851 A CN201710742851 A CN 201710742851A CN 107321771 A CN107321771 A CN 107321771A
Authority
CN
China
Prior art keywords
transported
dimension
reservoir
machine
sorted
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.)
Pending
Application number
CN201710742851.7A
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Chinese (zh)
Inventor
郭旭
张波
刘涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Urban Construction Design & Reserrch Institute Co Ltd
Original Assignee
China Urban Construction Design & Reserrch Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201710742851.7A priority Critical patent/CN107321771A/en
Publication of CN107321771A publication Critical patent/CN107321771A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023Methane
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • 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
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/20Waste processing or separation

Abstract

The embodiment of the present invention provides a kind of processing method of kitchen garbage, including:Enter planet-shaped sorting to kitchen garbage to sort out with the bulk materials that will be greater than pre-set dimension, the unclassified stores sorted out and liquid are transported into material storing box keeps in;Then the unclassified stores and liquid in material storing box are transported in gas transfer pot by spiral conveying mechanism;Unclassified stores and liquid are transported into wet solution tank with the pressure of air compressor air storage tank to carry out with pressure after high warm and humid solution is handled being transported to surge tank;Material in surge tank is slightly squeezed, thin material is transported to the first reservoir;Thin material in first reservoir is sorted and sorts out and exports after being dehydrated so that particle diameter to be more than to the solid material of the machine pre-set dimension;Then the small material less than the machine pre-set dimension is transported to the second reservoir;Then the material in the second reservoir is separated by three phase separation mechanism.

Description

A kind of processing method of kitchen garbage
Technical field
The present invention relates to garbage collection process technical field, and in particular to a kind of processing method of kitchen garbage.
Background technology:
Now with deepening continuously for food wastes processing, curbing environmental pollution also turns into a key content.Pass The food wastes processing mode of system is to use cracking and sorting, high-speed stirred slurrying, slagging-off, the technological measure of sand setting, is separated Solid material and sand be sent to household refuse landfill sites or incineration plant.From practical experience for many years, the slurrying of this method Effect is not ideal, there is problems with:
One be organic matter loss it is big;
Two, which be that full dose is broken, can make many inorganic matters be broken to form substantial amounts of fine sand, can to subsequent pump conveying and Helical feed brings very big difficulty, i.e., the wear liner of various equipment is serious, and maintenance cost is too high and maintenance difficult
Three be that can produce substantial amounts of percolate in assorting room, and this solid material containing percolate is difficult conveying and causes car Between internal secondary pollution.
This traditional reception sorts mode processing time length, labor intensity is big, working environment is poor, secondary pollution is serious, Quick at this stage, efficiently, environmentally friendly garbage disposal requirement is not adapted to.
The content of the invention:
For the problem of food waste treatment equipment is present in the prior art, the technical problem to be solved of the embodiment of the present invention Be propose a kind of high treating effect, the processing method of highly efficient and short equipment chain kitchen garbage, at least part of solution shows There is problem present in technology.
In order to solve the above problems, the embodiment of the present invention proposes a kind of processing method of kitchen garbage, including:
Enter planet-shaped sorting to kitchen garbage to sort out with the bulk materials that will be greater than pre-set dimension, then to sorting out Bulk materials carry out extrusion dehydration, and the unclassified stores sorted out and liquid are transported to material storing box kept in;Then by storing Unclassified stores and liquid in case are transported in transfer pot by spiral conveying mechanism;When the unclassified stores and liquid in transfer pot Reach during preset height and to be transported to wet solution tank using air compressor machine;
It is carried out in wet solution tank after high warm and humid solution processing, obtained material with pressure is transported to surge tank;
Material in surge tank is slightly squeezed, while being sorted, the bulk noncombustibility more than pre-set dimension sorted out Material carries out extrusion dehydration, and other thin materials are transported to the first reservoir;
Thin material in first reservoir is sorted particle diameter is more than to the solid material of the machine pre-set dimension Exported after sorting out and being dehydrated;Then the material less than the machine pre-set dimension is transported to the second reservoir;
Then the material in the second reservoir is separated by three phase separation mechanism, oil phase, aqueous phase, slag phase is entered Row separation, then exports the crude oil isolated, and aqueous phase and slag phase are formed methane by the fermentation of anaerobic methane production mechanism.
Wherein, methods described also includes:
The organic materials containing cellulose that anaerobic methane production mechanism is produced is transported to compost mechanism to carry out secondary become thoroughly decomposed;
The particle diameter sub-elected in first reservoir is more than after the solid material of the machine pre-set dimension is dehydrated and led to Spiral conveying mechanism output is crossed, and is transported to compost mechanism to carry out secondary become thoroughly decomposed.
Wherein, methods described also includes:
The bulk materials sorted out after star-like sorting are carried out after extrusion dehydration, landfill yard is transported to and is filled;
Extrusion dehydration is carried out to the bulk materials more than the machine pre-set dimension that the Material Sorting after thick squeezing goes out, is transported to Landfill yard is filled.
Wherein, methods described also includes:The waste gas produced in surge tank is transported into other wet solution tanks to recycle, by natural pond The steam that gas boiler is produced is transported to wet solution tank and carries out wet solution.
The above-mentioned technical proposal of the present invention has the beneficial effect that:Above-mentioned technical proposal proposes a kind of place of kitchen garbage Reason method, anaerobism produces biogas and provides preferable raw material, maximized to realize recycling treatment, and the biogas being made turns into one kind New energy is generated electricity, and investment and floor space are small, and processing workshop condition is good, and process cycle is short, and operating cost is low.
Brief description of the drawings
Fig. 1 is the method flow diagram of the embodiment of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool Body embodiment is described in detail.
As shown in Figure 1, the processing method for the kitchen garbage that the embodiment of the present invention is proposed includes:
Star-like sorting (sorting out bulk materials), (the big part sorted out is transported to and filled out through extrusion dehydration extrusion dehydration Field is buried, rest materials return to material storing box with percolate);Material storing box (keeps in rest materials and percolate);Helical feed (material in material storing box is delivered to transfer pot);Transfer pot (air compressor machine when reaching liquid level into the material in tank Gas pressure is delivered to wet solution tank);Wet solution tank (high warm and humid solution processing is carried out to the material of entrance);Surge tank is (in wet solution tank Material web pressure enters in this tank body);Thick squeezing (thick slag is transported to landfill yard after squeezing, and thin material enters in reservoir 1);Storage Liquid bath 1;Pump is conveyed;Big material sorting (sub-electing the solid material more than the machine pre-set dimension);Reservoir 2;Pump is conveyed;Three-phase Separate (isolating crude oil fat);Anaerobic methane production (water, slag mixing produce biogas);Compost;Sewage disposal;Marsh gas power generation.
Percolate after star-like sorting is mixed together with the small material of solid while enter liquid reserve tank, is entered by helical feed Transfer pot and material is delivered to wet solution tank by the mode conveyed by using pressed gas.
Wet solution reaction kettle is used during the wet solution wet solution of tank, after reactor charging, being passed through high-temperature steam reaches tank body temperature The condition of certain pressure and temperature, insulation a period of time, makes organic matter obtain with pressure after fully degraded be discharged into surge tank.
Bulky grain separator is the all-in-one constituted by the way of vibration and the ingenious combination of screw extrusion dehydration, can be quick The convenient solid material by after wet solution more than the machine pre-set dimension is sorted out, and solid material is reached the purpose of dehydration.
Specifically, as shown in Figure 1, the method for the embodiment of the present invention is specifically included:
(1) star-like sorting:The material of bulk is elected with star-like screening, by extrusion dehydration, Solid material transfer is extremely Landfill yard, rest materials and liquid are delivered to material storing box;
(2) extrusion dehydration:Bulk materials are sloughed into free water with the mode of screw extrusion screen cloth leak;
(3) material storing box:Store the undersize material of star-like sieve and possess the function of bottom conveying;
(4) helical feed;Material in material storing box is transported out in bottom is delivered to transfer pot with sealing screw.
(5) transfer pot:Transfer pot possesses certain pressure tolerance and detection and liquid level detection, and the material for filling tank body exists It is delivered in the presence of air pressure in the short time in wet solution tank.
(6) wet solution tank;Wet solution tank is the reactor for possessing certain pressure ability to bear, by certain pressure and the steam of temperature It is passed through in wet solution tank, temperature of charge is reached preset temperature and be incubated a period of time, the organic matter in rubbish is fully dropped Solution, then discharge with pressure.
(7) surge tank;Surge tank possesses certain pressure tolerance and detection and liquid level detection, is to receive wet solution tank material The quick function of discharging and possess broken organic matter.
(8) thick squeezer;Possess the function of dragging for material drainage and extrusion dehydration, receive the material of surge tank discharge, pull out big In the solid aqueous material of the machine pre-set dimension, and output is extracted to transport box.
(9) reservoir 1:Possess certain storage capacity, through thick squeezer can pull the material in surge tank out bulk noncombustibility All stored after material.
(10) pump is conveyed:Possesses the ability of chopped fiber of the conveying with winding performance.
(11) bulky grain is sorted:The all-in-one constituted by the way of ingenious combination is dehydrated using vibration and screw extrusion, can be fast Speed easily sorts out the solid material more than the machine pre-set dimension after wet solution, and solid material is reached the mesh of dehydration 's.
(12) reservoir 2:Possess certain storage capacity, the material in reservoir 1 can be sorted through big material separator Go out the rest materials after solid material all to store.
(13) pump is conveyed:Possess ability of the conveying less than the following solid particle of the machine pre-set dimension, and it is smaller to wear and tear.
(14) three-phase separator:Using gravity separation principle and possess separation oil phase, aqueous phase, the ability of slag phase, by oil, Water, slag are separated.
(15) anaerobic methane production:The ability that system possesses temperature adjustment, desanding, slagged tap, is put into biogas strain so as to continual production Raw biogas.
(16) biogas generator:Generated electricity, produced new using the biogas combustion driven by engine generating set after desulfurization, dehydration The energy.
(17) sewage disposal:Ripe sewage treatment process is selected for the specific composition of sewage after anaerobism.
(18) compost treatment:Secondary become thoroughly decomposed is carried out to the organic matter containing a large amount of celluloses.
The embodiment of the present invention proposes a kind of brand-new conveying and processing method, and producing biogas for anaerobism provides preferable original Material, realizes recycling treatment, the biogas being made is generated electricity as a kind of new energy, and investment and floor space are small, handles car Between environment it is good, process cycle is short, and operating cost is low.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (4)

1. a kind of processing method of kitchen garbage, it is characterised in that including:
Enter planet-shaped sorting to kitchen garbage to sort out with the bulk materials that will be greater than pre-set dimension, it is then big to what is sorted out Block material carries out extrusion dehydration, and the unclassified stores sorted out and liquid are transported into material storing box kept in;Then by material storing box Unclassified stores and liquid be transported to by spiral conveying mechanism in transfer pot;When the unclassified stores and liquid in transfer pot reach During preset height wet solution tank is transported to using the pressure of air compressor machine;
Unclassified stores and liquid are carried out after high warm and humid solution processing in wet solution tank, obtained material with pressure is transported to surge tank;
Material in surge tank is slightly squeezed, so as to sort out de- more than the bulk materials progress extruding of the machine pre-set dimension Water, other thin materials are transported to the first reservoir;
Thin material in first reservoir is sorted and sorted with the solid material that particle diameter is more than to the machine pre-set dimension Out and after being dehydrated export;Then the small material less than the machine pre-set dimension is transported to the second reservoir;
Then the material in the second reservoir is separated by three phase separation mechanism, oil phase, aqueous phase, slag phase is divided From then the crude oil isolated being exported, and aqueous phase and slag phase are mixed formed methane by the fermentation of anaerobic methane production mechanism.
2. the processing method of kitchen garbage according to claim 1, it is characterised in that methods described also includes:
The organic materials containing cellulose that anaerobic methane production mechanism is produced is transported to compost mechanism to carry out secondary become thoroughly decomposed;
The particle diameter sub-elected in first reservoir is more than after the solid material of the machine pre-set dimension is dehydrated by spiral shell Conveying mechanism output is revolved, and is transported to compost mechanism to carry out secondary become thoroughly decomposed.
3. the processing method of kitchen garbage according to claim 1, it is characterised in that methods described also includes:
The bulk materials sorted out after star-like sorting are carried out after extrusion dehydration, conveying is transported to landfill yard and filled;
Extrusion dehydration is carried out to the bulk materials more than the machine pre-set dimension that the Material Sorting after thick squeezing goes out, conveying is transported to Landfill yard is filled.
4. the processing method of kitchen garbage according to claim 1, it is characterised in that methods described also includes:Will buffering The interior waste gas produced of tank is transported to other wet solution tanks and recycled, and it is wet that the steam that methane boiler is produced is transported into wet solution tank progress Solution.
CN201710742851.7A 2017-08-25 2017-08-25 A kind of processing method of kitchen garbage Pending CN107321771A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710742851.7A CN107321771A (en) 2017-08-25 2017-08-25 A kind of processing method of kitchen garbage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710742851.7A CN107321771A (en) 2017-08-25 2017-08-25 A kind of processing method of kitchen garbage

Publications (1)

Publication Number Publication Date
CN107321771A true CN107321771A (en) 2017-11-07

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Application Number Title Priority Date Filing Date
CN201710742851.7A Pending CN107321771A (en) 2017-08-25 2017-08-25 A kind of processing method of kitchen garbage

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005330448A (en) * 2004-05-17 2005-12-02 Yukie Matsuo Fuel from food waste material (cooking waste, and the like) and method for producing the same
CN101537423A (en) * 2009-04-27 2009-09-23 韩洪波 Domestic garbage treatment method of first cooking and then wet separation
CN102827888A (en) * 2012-07-17 2012-12-19 浙江省长三角循环经济技术研究院 Technology for producing amino acid through kitchen wastes
CN102921704A (en) * 2012-11-12 2013-02-13 都市高科(北京)环境科技有限公司 Harmless disposal method of kitchen garbage
CN103272828A (en) * 2013-05-28 2013-09-04 都市高科(北京)环境科技有限公司 Pretreatment method for kitchen waste
CN103480634A (en) * 2013-09-24 2014-01-01 中国科学院广州能源研究所 Method and device for co-production of animal feed and biodiesel feedstock by using kitchen waste through hydrothermal treatment
CN106903137A (en) * 2017-04-06 2017-06-30 环创(厦门)科技股份有限公司 Kitchen, fruits and vegetables, the harmless treatment process of food market rubbish and equipment
CN106943786A (en) * 2017-05-12 2017-07-14 中国城市建设研究院有限公司 The equipment for separating liquid from solid and method of the wet solution material of kitchen garbage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005330448A (en) * 2004-05-17 2005-12-02 Yukie Matsuo Fuel from food waste material (cooking waste, and the like) and method for producing the same
CN101537423A (en) * 2009-04-27 2009-09-23 韩洪波 Domestic garbage treatment method of first cooking and then wet separation
CN102827888A (en) * 2012-07-17 2012-12-19 浙江省长三角循环经济技术研究院 Technology for producing amino acid through kitchen wastes
CN102921704A (en) * 2012-11-12 2013-02-13 都市高科(北京)环境科技有限公司 Harmless disposal method of kitchen garbage
CN103272828A (en) * 2013-05-28 2013-09-04 都市高科(北京)环境科技有限公司 Pretreatment method for kitchen waste
CN103480634A (en) * 2013-09-24 2014-01-01 中国科学院广州能源研究所 Method and device for co-production of animal feed and biodiesel feedstock by using kitchen waste through hydrothermal treatment
CN106903137A (en) * 2017-04-06 2017-06-30 环创(厦门)科技股份有限公司 Kitchen, fruits and vegetables, the harmless treatment process of food market rubbish and equipment
CN106943786A (en) * 2017-05-12 2017-07-14 中国城市建设研究院有限公司 The equipment for separating liquid from solid and method of the wet solution material of kitchen garbage

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Application publication date: 20171107

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