CN108723065A - A kind of method for separating of house refuse - Google Patents
A kind of method for separating of house refuse Download PDFInfo
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- CN108723065A CN108723065A CN201810683806.3A CN201810683806A CN108723065A CN 108723065 A CN108723065 A CN 108723065A CN 201810683806 A CN201810683806 A CN 201810683806A CN 108723065 A CN108723065 A CN 108723065A
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- food waste
- house refuse
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- waste
- refuse
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/60—Glass recycling
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to field of domestic garbage treatment, provide a kind of method for separating of house refuse.Include the following steps：House refuse is sent into broken bag roller, obtains solid waste；Selection by winnowing is carried out, heavy rubbish, waste plastics and light refuse are obtained；Light refuse is sent into and is crushed cement slurry preparing barrel, food waste slurries and polybag residue are obtained by filter screen；Food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object.The present invention is filtered by be crushed after slurrying to light refuse with filter screen, can get polybag residue and food waste slurries；Then food waste slurries are handled.The method that the present invention is implemented, it is high to house refuse especially rubbish from cooking separating purity, it is convenient for preferably corresponding subsequent recovery and utilizes.
Description
Technical field
The invention belongs to field of domestic garbage treatment more particularly to a kind of method for separating of house refuse.
Background technology
With the development of economy with the raising of living standards of the people, garbage problem becomes increasingly conspicuous.668, China city, 2/3
It is surrounded by rubbish annulus.These rubbish, which bury, to be unequal to burying, and is burnt and is unequal to burning, causes a series of serious harms, such as：Serious contaminant water
Body；Many of rubbish pathogenic microorganisms, while rubbish is often the breeding place of mosquito, fly, cockroach and mouse, these are necessarily endangered
Vast civic health.
According to various regions environmental sanitation data in 2017, China city permanent resident population's scale and average generate for each person every day is given birth at present
1.6 kilograms or so of rubbish living.Wherein, rubbish from cooking accounts for about 60%, is accustomed to according to people's lives, and most rubbishes from cooking are all
Pass through plastic bag packaging.And it is mixed in simultaneously in rubbish from cooking and generally also has metal object, dregs cullet and waste plastics etc..Thus
Be treated in journey in rubbish from cooking, need first to sort rubbish from cooking, mainly by hardness in kitchen garbage it is larger,
It is screened the part for being not easy to crush (i.e. foreign matter or sundries)；Then the rubbish from cooking residue of foreign matter (or sundries) will be removed again
Crush slurrying.
And the overwhelming majority local house refuse in the whole nation is not classified at present, or classification is not thorough, or transport is loaded in mixture after classification,
Cause rubbish from cooking usually to mix with other class house refuses, how to improve processing house refuse and be especially mingled in other
The separating purity of most most rubbishes from cooking is accounted in rubbish becomes most important problem.
Invention content
It is an object of the present invention to provide a kind of method for separating of house refuse, to solve existing house refuse especially
It is the low technical problem of the sorting process purity of rubbish from cooking.
A kind of method for separating of house refuse, includes the following steps：
House refuse is sent into broken bag roller, is centrifuged out greasy dirt waste liquid, obtains solid waste；
Wind turbine carries out selection by winnowing to the solid waste, obtains heavy rubbish, waste plastics and light refuse；
The heavy rubbish is screened using electromagnet, isolates metal object and glass dregs waste；
The light refuse is sent into and is crushed cement slurry preparing barrel, food waste slurries and polybag residue are obtained by filter screen；
Food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object.
Preferably, the broken bag roller is the roller that arrival end is obliquely installed upward, and inner wall is fixed with two groups of rotation sides
To opposite broken bag knife.
Preferably, in the step of solid waste being carried out selection by winnowing, two vortex fans being arranged using vertical spacing,
The vortex fan wind speed being located above is 7-12m/s, and the underlying vortex fan wind speed is 15-20m/s.
Preferably, further include setting up ultraviolet light dissipation lamp and spraying to disappear in the step of house refuse being sent into broken bag roller
Malicious deodorant liquid.
Preferably, metal object is isolated with after glass dregs waste, and subsequent step further includes picking out useless electricity therein
Pond.
Preferably, wind turbine carries out selection by winnowing to the solid waste, obtain heavy rubbish, waste plastics and light refuse step it
Afterwards, further include that the waste plastics is subjected to catalytic pyrolysis fractionation, obtain oil product and combustible gas.
Preferably, it after obtaining the polybag residue, carries out being granulated regeneration recovery processing after carrying out cleaning treatment.
Preferably, the filter screen is the metal mesh of multilayer setting, and the mesh size of the filter screen is 200-400mm.
Preferably, food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object step
After rapid, subsequent step includes：
Organic fertilizer is made by techniques such as high warm and humid solution, high temperature anaerobic, drying and dehydratings in the food waste solid.
Preferably, food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object step
After rapid, subsequent step includes：
The food waste liquid object and the greasy dirt waste liquid are mixed into liquid, the liquid is by grease point
From waste water enters the fuel that methane boiler becomes workshop cooker after anaerobic fermentation generation biogas is purified, and grease passes through
Commercial grease is made in rectification systems.
The present invention is centrifuged by broken bag drum broken bag, can be carried out dehydrating solid waste；According to proportion difference drop point
Difference can be sorted solid waste at heavy rubbish, waste plastics and light refuse using the double-deck vortex fan；To light refuse into
It is filtered with filter screen after the broken slurrying of row, can get polybag residue and food waste slurries；Then food waste slurries are carried out
Processing.The method that the present invention is implemented, it is high to house refuse especially rubbish from cooking separating purity, it is convenient for preferably corresponding
Subsequent recovery utilize.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of flow chart of the method for separating for house refuse that the embodiment of the present disclosure provides.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wirelessly connected, can also be wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
Referring to Fig. 1, embodiment of the present disclosure one side is designed to provide a kind of method for separating of house refuse, to solve
The low technical problem of the sorting process purity of existing house refuse especially rubbish from cooking.
Referring to Fig. 1, a kind of method for separating of house refuse includes the following steps：S0, S1, S2, S4 and S5.
S0：House refuse is sent into broken bag roller, is centrifuged out greasy dirt waste liquid, obtains solid waste.
It should be noted that before house refuse is sent into broken bag roller, it can be by larger rubbish for example：Strip timber or
Bulk plastic block etc. is selected manually.
The especially various encapsulated plastic bags of house refuse are ruptured by broken bag roller will not make so as to cause subsequent step
At the inaccurate result of sorting.
Particularly, broken bag roller is the roller that arrival end is obliquely installed upward, and inner wall is fixed with two groups of direction of rotation phases
Anti- broken bag knife.Therefore, broken bag is more thorough.
Particularly, end cap can be arranged in broken bag roller, prevent house refuse from spilling outside roller.Cylinder bottom is provided with can be partly living
The reclaiming plate of dynamic formula covers reclaiming plate when carrying out broken bag to house refuse；After the completion of to Domestic garbage bag-breaking, remain in
It is solid waste in broken bag roller.Reclaiming plate is opened, solid waste is sent into next step.
It should be noted that when house refuse carries out broken bag, the greasy dirt and various liquid that are mingled in house refuse are broken
Drainage hole discharge, the collection that bag basket centrifuges act through broken bag cylinder bottom obtain greasy dirt waste liquid.
Moreover, when house refuse carries out broken bag, that is, step S0, while also step T0.
T0：Further include setting up ultraviolet light dissipation lamp and spray disinfectant deodorant liquid.
It should be noted that ultraviolet light dissipation lamp can kill mosquitos and flies etc., disinfecting, deodorizing liquid is to the micro- of house refuse
Biology carries out dissipation and deodorization.
Wherein, ultraviolet dissipation lamp can emit ultraviolet light, pass through the spoke to microorganism (pathogen such as bacterium, virus, gemma)
Penetrating the function of damage and destruction nucleic acid keeps microorganism lethal, to achieve the purpose that disinfection.
Wherein, adsorptivity deodorant, masking deodorant, oxidation deodorant, salt deodorant, soda acid may be used in deodorant
Preparation one of which or several combinations.
S1：Wind turbine carries out selection by winnowing to solid waste, obtains heavy rubbish, waste plastics and light refuse.
The principle of selection by winnowing is：Using gas as separating medium, under the action of gas flows, light refuse such as rubbish from cooking,
Broken polybag etc. is blown to level remotely；Middle matter rubbish rubbish such as waste plastics etc. is blown to medium position；And heavy
The quality such as rubbish such as metal object, dregs, glass are larger, to fall on the position nearest from pneumatic separator.By collecting three
The rubbish of different distance paragraph point so that obtain light refuse, waste plastics and heavy rubbish respectively.
Particularly, in the step of solid waste being carried out selection by winnowing, two vortex fans being arranged using vertical spacing are located at
The vortex fan wind speed of top is 7-12m/s, and underlying vortex fan wind speed is 15-20m/s.
The diameter of air outlet is about designed as 600mm, passes through the required time 0.3s of distance of 600mm up and down, selection by winnowing
Length then may be configured as 4000mm.In view of material from the speed flowed to as air-flow into gas when need a period of time, and
600mm is wind turbine maximum gauge, conservative that the length of wind turbine is set to 1600mm.Winnowing machine is divided into three sections, is heavy respectively
The i.e. middle matter rubbish (being about 600mm) of rubbish (being about 400mm), waste plastics and light refuse (being about 600mm).
Vortex fan wind speed is more concentrated, therefore has better selection by winnowing effect.The design of Dual-layer vortex fan can be with
Preferably sorting light refuse and middle matter rubbish, middle matter rubbish and heavy rubbish.
Moreover, further include step T2 after step S1.
T2：Further include that waste plastics is subjected to catalytic pyrolysis fractionation, obtains oil product and combustible gas.
It should be noted that general waste plastics recycling number is more, thus oil gas combustion is made after being suitble to catalytic pyrolysis fractionation
Material.
It should be noted that the kind of plastics is more, mainly there are polyethylene, polypropylene, polyvinyl chloride and polyester.They
Raw materials for production are different, and the product after waste degradation is also different.In order to improve the utility value of recycling product, preferably will first collect
Waste plastic category filter be subject to using different recovery and utilization technologies then according to different materials and different requirements
Processing.
Solid waste plastic is melted under relatively mild conditions, thermal cracking, by the oil of generation at a temperature of 200 DEG C
Distillation removes light fraction and part residue, and remaining oily (calling heavy oil in the following text) is transported to the catalytic pyrolysis work for being located at center again
Factory is as raw material.Through treated heavy oil in this way, uniformly, good fluidity can obtain high-grade gasoline after catalytic pyrolysis.
S5：Heavy rubbish is screened using electromagnet, isolates metal object and glass dregs waste.
It should be noted that metal object and non-magnetic glass and dregs can be detached by carrying out magnetic separation to heavy rubbish.Glass
Glass can be further processed with dregs waste.Wherein, magnetic separation is carried out using electromagnet, the convenient attraction for metal object with
Transfer.
Moreover, further include step T1 after step S5.
T1：Further include picking out refuse battery therein.Refuse battery can be sub-elected by artificial mode, individually be located
Reason prevents pollution environment.
S2：Institute's light refuse is sent into and is crushed cement slurry preparing barrel.
S3：Food waste slurries and polybag residue are obtained by filter screen.
Wherein, the sieve of cement slurry preparing barrel is crushed using the thick 304 stainless steel plate bending and moldings of 8mm, combined rotary design, appearance
Face is equipped with helix drum hairbrush sweeper and spray equipment, prevents sieve blocking or material hanging hole phenomenon.And remaining nothing can be reduced
Clast caused by the impact of machine object hardness.
Broken cement slurry preparing barrel is divided into three regions：
The first, fracture area：The blade of broken cement slurry preparing barrel can be with spinning special designing according to material running orbit, can after abrasion
Positive and negative to be used interchangeably, material can be potassium steel.Coordinate fixed tooth form liner plate on above-mentioned sieve can be effectively all kinds of organic
Matter crushes completely, due to the special designing of tooth form and blade, will not be crushed to some flexibility matter materials.Hammer leaf is crushed section length and reaches
800-1400mm。
The second, helical feed Disengagement zone：Intermediate blade uses helical alignment, and certain wind is generated through main shaft high speed rotation
Preceding road institute broken material, is drawn flowing, then pat through high-speed centrifugal by amount, and external bath and the rotation of discharging sieve match
It closes, polybag is detached with the organic matter after crushing completely, while cleaning action can also be done to polybag.Major class bone is because of it
It is heavier to be pumped as film, then can discharge port be delivered to by helical blade.
Third, high-pressure blast send discharge zone：Blade is welded into fan blade shape in main shaft unloading position, high speed rotation generates high pressure
Wind, the material blowout after separation, circumferentially there are two outlets for tangential direction for discharge port, with the density weight according to airflow pressure and material
Amount, is automatically divided into material two layers, light material is just blown away in top layer first outlet.The big heavy material of density is just on bottom edge
Tangent to periphery direction is scraped by blade.
Wherein, pulp using spiral be discharged, can prevent because temperature or viscosity and for a long time shut down caused by lump or
The generation of clogging.Complete machine uses variable frequency adjustment, and is equipped with fiberglass observation panel in grout outlet upper cover, convenient for sampling and inspection
It surveys.
It should be noted that light refuse includes most of rubbish from cooking and a small amount of broken polybag.Lightweight
Rubbish is sent into the broken pulp making operations for being crushed and more being refined after cement slurry preparing barrel, and rubbish from cooking has been fractured into food waste slurries at this time,
And broken polybag is also broken more scrappy, generally strip.
Then, after being filtered net filtration, the broken polybag of strip snarls interception by filter screen, to obtain plastics
Bag residue；And the then acquisition food waste slurries for passing through filter screen.
Particularly, filter screen is the metal mesh of multilayer setting, and the mesh size of filter screen is 200-400mm.Net at this time
Hole can snarl the broken polybag for intercepting strip without influencing passing through for food waste slurries.And the design of multilayer also can be to polybag
That filters is more thorough.
Moreover, further include step T3 after step S3.
T3：After obtaining polybag residue, carry out being granulated regeneration recovery processing after carrying out cleaning treatment.In general, modeling
Material bag regeneration times are few, more high-quality.
S4：Food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object.
It should be noted that food waste slurries are collected in size barrel after mechanical homogenisation respectively, solid is obtained respectively
With liquid object.
Moreover, further include step T4 after step S4.
T4：Subsequent step includes：Food waste solid is formed with by techniques such as high warm and humid solution, high temperature anaerobic, drying and dehydratings
Machine fertilizer.
Wherein, in wet solution preocess, 0.8MPa, 180 DEG C or so of saturated steam, by kitchen will be passed through in wet solution tank
Remaining solid is rapidly heated 1~1.5h, boosting, pressurize 1.5h, so that rubbish is completed a series of physical chemistry in wet solution tank anti-
It answers, during the reaction：
One, organic matter fully degraded in tank accelerates the abjection speed of carbohydrate, data and experiment display, wet
Carbohydrate can deviate from 50% or more after solution；
Two, the macromolecular chains such as protein, sugar, cellulose are denaturalized, and keep amino acid equimolecular fully exposed, this process
It is also abundant decomposed process；
Three, cooked plant rubbish from cooking, the lignin components in cell are destroyed, and lignin is as in cell tissue one
Kind filling bonds, preservative substance, its destruction can make rubbish structure become loose, to be more advantageous to the separation of free water,
Speed of rotting is accelerated.
It should be noted that the salt in food waste solid, is dissolved in the water in wet solution preocess and is separated from rubbish,
Reduce the content of chlorion in rubbish.
Moreover, further include step T5. after step S4
T5：Further include that step S0 is obtained greasy dirt waste liquid to mix with the food waste liquid object that step S4 is obtained.
Moreover, further include step T6. after step T5
T6：Subsequent step includes：Food waste liquid object and greasy dirt waste liquid are mixed into liquid and carry out water-oil separating.
It should be noted that obtaining waste water and grease after water-oil separating.
Wherein, water-oil separating can be used：Gravitational separation process, filtration method, centrifugal separation, floatation are one such or more
Kind synergy.Preferred embodiment is floatation, also known as Bubble-floating Method, is passed through air in water or other gases generate micro air bubble,
Some tiny suspension oil droplets and solid particle in water are made to be attached on bubble, floating to the water surface with bubble forms dross
(oil-containing froth bed), is then skimmed oil using oil skimmer appropriate.
Moreover, further include step T7 and T8. after step T6
T7：Waste water enters the fuel that methane boiler becomes workshop cooker after anaerobic fermentation generation biogas is purified.
Wherein, using the metabolic characteristic of anerobe, under conditions of not needing to provide external source energy, with quilt in waste water
Organic matter is restored as hydrogen acceptor, while having the methane gas of energy value.The biogas generated while degradation of organic substances
(containing gaseous materials such as CH4, CO2, N2, H2, O2, H2S), can actively be utilized and generate economic value.
T8：Commercial grease is made by rectification systems in grease.
It should be noted that in above-mentioned recyclable rubbish, 850 kilograms of good paper are made in one ton of waste paper recoverable, change
It is 300 kilograms to be counted as into timber, is produced than equivalent and reduces pollution 74%；Each ton of polybag waste can get 0.8 ton of two level
Plastic raw materials, each ton of waste plastics cleavable obtain 0.9 ton of Oil/gas Fuels；Each ton of old metal (being all generally steel) can perfect
0.9 ton of steel, it is more cost-effective by 47% than with ore smelting, air pollution 75% is reduced, while 97% water pollution and solid can be reduced
Body waste.
Wherein, the best rubbish from cooking of house refuse is accounted for, obtained food waste solid is handled, each ton of food waste solid-state
Object can get 0.5 ton of organic fertilizer, and each ton of food waste liquid object can get 0.6 ton of commercial grease.It is great by refuse classification
The resource-effective of society is improved, while solving the intractable problem of a large amount of house refuses.
The present invention is centrifuged by broken bag drum broken bag, can be carried out dehydrating solid waste；According to proportion difference drop point
Difference can be sorted solid waste at heavy rubbish, waste plastics and light refuse using the double-deck vortex fan；To light refuse into
It is filtered with filter screen after the broken slurrying of row, can get polybag residue and food waste slurries；Then food waste slurries are carried out
Processing.The method that the present invention is implemented, it is high to house refuse especially rubbish from cooking separating purity, it is convenient for preferably corresponding
Subsequent recovery utilize.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of method for separating of house refuse, which is characterized in that include the following steps：
House refuse is sent into broken bag roller, is centrifuged out greasy dirt waste liquid, obtains solid waste；
Wind turbine carries out selection by winnowing to the solid waste, obtains heavy rubbish, waste plastics and light refuse；
The heavy rubbish is screened using electromagnet, isolates metal object and glass dregs waste；
The light refuse is sent into and is crushed cement slurry preparing barrel, food waste slurries and polybag residue are obtained by filter screen；
Food waste slurries are sent into size barrel and carry out mechanical homogenisation, obtain food waste solid and food waste liquid object.
2. the method for separating of house refuse as described in claim 1, which is characterized in that the broken bag roller be arrival end upward
The roller being obliquely installed, inner wall are fixed with the opposite broken bag knife in two groups of direction of rotation.
3. the method for separating of house refuse as described in claim 1, which is characterized in that the solid waste is carried out selection by winnowing
In step, two vortex fans being arranged using vertical spacing, the vortex fan wind speed being located above is 7-12m/s, position
The vortex fan wind speed in lower section is 15-20m/s.
4. the method for separating of house refuse as described in claim 1, which is characterized in that house refuse is sent into broken bag roller
Further include being provided with ultraviolet light dissipation lamp and spray disinfectant deodorant liquid in step.
5. the method for separating of house refuse as described in claim 1, which is characterized in that it is useless with glass dregs to isolate metal object
After gurry, subsequent step further includes picking out refuse battery therein.
6. the method for separating of house refuse as described in claim 1, which is characterized in that wind turbine is to the solid waste into sector-style
Choosing further includes that the waste plastics is carried out catalytic pyrolysis fractionation after obtaining heavy rubbish, waste plastics and light refuse step,
Obtain oil product and combustible gas.
7. the method for separating of house refuse as described in claim 1, which is characterized in that the filter screen is the gold of multilayer setting
Belong to net, the mesh size of the filter screen is 200-400mm.
8. the method for separating of house refuse as described in claim 1, which is characterized in that after obtaining the polybag residue,
It carries out being granulated regeneration recovery processing after carrying out cleaning treatment.
9. the method for separating of house refuse as described in claim 1, which is characterized in that food waste slurries are sent into size barrel and are carried out
Mechanical homogenisation, after obtaining food waste solid and food waste liquid object step, subsequent step includes：
Organic fertilizer is made by techniques such as high warm and humid solution, high temperature anaerobic, drying and dehydratings in the food waste solid.
10. the method for separating of house refuse as described in claim 1, which is characterized in that by food waste slurries be sent into size barrel into
Row mechanical homogenisation, after obtaining food waste solid and food waste liquid object step, subsequent step includes：
The food waste liquid object and the greasy dirt waste liquid are mixed into liquid, the liquid passes through water-oil separating, gives up
Water enters the fuel that methane boiler becomes workshop cooker after anaerobic fermentation generation biogas is purified, and grease is by refining system
Controlling is at commercial grease.
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| WO2021046855A1 (en) * | 2019-09-14 | 2021-03-18 | 南京大学（溧水）生态环境研究院 | Comprehensive utilization method for kitchen waste |
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