CN107311708A - The production system and method for fertilizer are prepared using kitchen garbage - Google Patents
The production system and method for fertilizer are prepared using kitchen garbage Download PDFInfo
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- CN107311708A CN107311708A CN201710443769.4A CN201710443769A CN107311708A CN 107311708 A CN107311708 A CN 107311708A CN 201710443769 A CN201710443769 A CN 201710443769A CN 107311708 A CN107311708 A CN 107311708A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/989—Flow sheets for biological or biochemical treatment
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
Prepare fertilizer production system and method using kitchen garbage the invention provides one kind, its method its comprise the following steps：(1)：Kitchen garbage breaking slurrying；(2)：Dispensing adjusts moisture；(3)：Stir refining；(4)：Aerobic fermentation；(5)：Fertilizer is processed；Utilization kitchen garbage provided by the present invention prepares fertilizer production system, including slurrying subsystem, fermentation subsystem, fertilizer processing subsystem；The fermentation subsystem is connected to the output end of slurrying subsystem, and fertilizer processing subsystem is connected to the output end of fermentation subsystem.
Description
Technical field
The invention belongs to field of garbage disposal, more particularly to a kind of kitchen garbage environmentally friendlyization processing and recycling profit
Use technical field.
Background technology
According to the statistics for having shutting mechanism, to 2016, the yield of the annual kitchen garbage of China reached more than 4,300 ten thousand tons, extremely
The year two thousand twenty, it is contemplated that annual yield is up to nearly 50,000,000 tons, the processing situation very severe of kitchen garbage.At present, China
Kitchen garbage handling rate it is still very low, the 10% of total amount is not reached also, untreated kitchen garbage largely flows into individual workship, into
In order to refine the raw material of gutter oil, seriously threaten China food security and the people it is healthy.
Environmental protection and the healthy livelihood issues of people are concerned in order to solve this, national relevant ministries and commissions' tissue from 2010
Carry out urban kitchen waste recycling and harmless treatment pilot work, built a batch processing demonstrative project, obtain
Certain actual effect.But demonstrative project is also faced with, and treatment technology is more single, profit model is unintelligible, market operation is lack of standardization etc.
Outstanding problem, most projects can not normally be run, and restriction China kitchen garbage handles the fast development of industry.Study carefully it former
The restriction of cause, mainly technical problem, the technology of the current kitchen garbage processing of China mainly selects anaerobic fermentation technology, technology list
One and complex process, processing procedure does not realize the complete processing of kitchen garbage with utilizing, also substantial amounts of pollution produce
Life, i.e. kitchen garbage are handled after collecting by sorting, separation of solid and liquid, water-oil separating, slurrying, anaerobic fermentation, biogas residue, biogas slurry
Wastewater treatment, and the product obtained is biogas, but biogas residue sludge, the high concentration biogas slurry waste water of processing end still fail to row up to standard
Put, in addition it is also necessary to which substantial amounts of cost is handled, and the handling subsidy of the energy of biogas income and government can not cover natural pond at all
The processing cost of slag sludge and sewage, directly resulting in constructed item largely can not normal operation.Therefore, research and development department's science and engineering
Skill is simpler directly, cost is lower, technology without contaminant remaining is still very urgent and necessary.
The content of the invention
It is an object of the invention to provide the production system and method that a kind of utilization kitchen garbage prepares fertilizer, to be solved
Technical problem be to make the harmless treatment of kitchen garbage and the simpler practical, feature of environmental protection of resource utilization process is higher, place
Manage cost lower, and solve harmless treatment and the technical problem of recycling of kitchen garbage with settling at one go.
The object of the invention to solve the technical problems is realized using following technical scheme.
The invention provides a kind of method that utilization kitchen garbage prepares fertilizer, it is characterised in that：It comprises the following steps：
(1)：Kitchen garbage breaking slurrying：It is into moisture by broken pulping equipment crushing grinding by kitchen garbage
60%-95% kitchen garbage slurry；
(2)：Dispensing adjusts moisture：By the kitchen garbage slurry of obtained moisture 60%~95% in step (1) with it is organic
Dry material is blended, regulation moisture to 35%~55%；
(3)：Stir refining：Kitchen garbage slurry and organic dry material are stirred by mixing plant；
(4)：Aerobic fermentation：The kitchen garbage organic materials for completing stirring is delivered into pellet type or/and belt solid hair
Aerobic fermentation is carried out in ferment equipment；
(5)：Fertilizer is processed：The kitchen garbage fermented organic material that fermentation is completed in step (4) is used to process fertilizer
Expect product.
Preferably, a part for the kitchen garbage fermented organic material of fermentation is completed in the step (5) to be used to process life
Fertilizer product is produced, another part is additionally operable to step (2) and blends circulating fermentation, described kitchen garbage fermentation with kitchen garbage slurry
Organic materials is back to ratio >=30% that described organic dry material is accounted in step (2).
Preferably, separation of solid and liquid, and/or the step are first passed through before kitchen garbage breaking slurrying in the step (1)
(1) manually or mechanically equipment is first passed through in before kitchen garbage breaking slurrying to be separated inorganic impurity therein, after separation
Pure kitchen garbage is delivered carries out broken slurrying into broken pulping equipment；Kitchen rubbish slurry particle is flat in the step (1)
Equal particle diameter is less than 10mm.
Preferably, the organic materials and other fermentations after organic dry material in step (2) ferments for kitchen garbage are organic
Material or/and do not ferment and have the mixture of material；The dispensing is completed by Automatic batching equipment.
Preferably, other described fermented organic material are the fermented livestock excrement that moisture is less than 35%, described not ferment
Organic materials includes afforestation rubbish.
Preferably, the kitchen garbage organic materials that step (3) also includes completing to stir passes through the broken powdering of disintegrating apparatus.
Preferably, the aerobic fermentation time described in step (4) is 2-15 days.
Preferably, step (5) also includes the direct processing and packing of kitchen garbage fermented organic material of fermenting-ripening into powder
Shape organic fertilizer product, or particulate form organic fertilizer products are squeezed into by extruding granulation equipment, or add big-and-middle micronutrient member
Element processing powdering source (functional) organic fertilizer product is squeezed into particulate form source (functional) organic fertilizer product by extruding granulation equipment, had
Machine-inorganic fertilizer product.
The object of the invention to solve the technical problems is also applied to the following technical measures to achieve further.
Fertilizer production system, including slurrying are prepared the invention provides a kind of utilization kitchen garbage for the above method
System, fermentation subsystem, fertilizer processing subsystem；The fermentation subsystem is connected to the output end of the slurrying subsystem, institute
State the output end that fertilizer processing subsystem is connected to the fermentation subsystem；
Described slurrying subsystem is by inorganic impurity separation equipment or/and solid-liquid separating equipment, and pulping equipment is constituted, described
Pulping equipment is connected to the rear end of the inorganic impurity separation equipment or/and solid-liquid separating equipment, kitchen waste inorganic impurity
Separation equipment separates inorganic impurity therein, or/and described pulping equipment will be conveyed into after separation of solid and liquid；
The fermentation subsystem is made up of pellet type or/and belt stereoscopic fermentation equipment successively；
The fertilizer processing subsystem includes extruding granulation equipment.
Preferably, described pellet type or belt stereoscopic fermentation equipment equipped with the fermentation batches device being linked in sequence or/
With fermentation agitating device, fermentation breaker, fermentation conveyer.
Preferably, described pellet type or belt stereoscopic fermentation equipment rear end are also connected with being provided with fermentation clinker screening plant
And/or fermentation clinker Automatic Weighing and Packing Equipment, described fermentation clinker screening plant is connected by the fermentation conveyer to be installed
In the pellet type or/and the rear end of belt stereoscopic fermentation equipment, described fermentation clinker Automatic Weighing and Packing Equipment is defeated by fermenting
Device connection is sent to be arranged on the rear end of described fermentation clinker screening plant.
Preferably, described fertilizer processing subsystem is by processing proportioner and/or processing agitating device, the broken dress of processing
Put, process conveying device, extruding granulation equipment, particle screening device and particle Automatic Weighing and Packing Equipment are constituted；Wherein, it is described plus
Work proportioner is connected to the front end of described processing agitating device, and described processing breaker is connected to the processing stirring
The rear end of device, the extruding granulation equipment is arranged on after the processing breaker by the processing conveying device connection
End, described particle screening device is arranged on the rear end of described extruding granulation equipment by the processing conveying device connection,
Described particle Automatic Weighing and Packing Equipment installs the rear end of particle screening device described in city by described processing conveying device connection.
Preferably, it is also connected with that cooling device is installed between described extruding granulation equipment and particle screening device, it is described
Cooling device be cylindrical drum cooler or net belt type cooler.
The present invention has clear advantage and beneficial effect compared with prior art.By above-mentioned technical proposal, the present invention
The production system and method for preparing fertilizer using kitchen garbage at least have advantages below and beneficial effect：
One is that technical matters is simple and practical, and kitchen garbage harmless treatment is settled at one go with recycling.Kitchen garbage
The whole processings of integrated slurrying are converted into fertilizer after collecting, during kitchen garbage need not carry out separation of solid and liquid, oil
The complicated procedures of forming such as water separation, anaerobic fermentation, biogas residue processing, biogas slurry wastewater treatment, realize complete processing and the full dose of kitchen garbage
Utilize, non-secondary pollution thing is produced and discharged.
Two be that production cost is low, good in economic efficiency, more conducively promotion and popularization.Because technical matters is simple, kitchen garbage
Processing procedure energy loss is few, and need not handle the secondary pollutions such as biogas slurry waste water, biogas residue sludge, and processing cost is more existing to detest
Oxygen processing producing methane technical matters is significantly reduced.
Three be that can convert the fertilizer product for producing high-quality, and recycling remarkable in economical benefits can be greatly reduced
The handling subsidy of government, processing item adaptability is stronger, more conducively the promotion and popularization of technology, more preferably solves kitchen garbage
The social concern of processing.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the process chart that the present invention prepares fertilizer method using kitchen garbage.
Fig. 2 is the front view of the structure of the embodiment of the present invention one.
Fig. 3 is the schematic top plan view of the structure of the embodiment of the present invention one.
Fig. 4 is the schematic front view of the structure of the embodiment of the present invention two.
Fig. 5 is the schematic top plan view of the structure of the embodiment of the present invention two.
Fig. 6 is the schematic front view of the structure of the embodiment of the present invention three.
Fig. 7 is the schematic top plan view of the structure of the embodiment of the present invention three.
【Main element symbol description】
1：Slurrying subsystem 11：Inorganic impurity sorting device
12：Pulping equipment 2：Fermentation subsystem
21：Tray-type three-dimensional Zymolysis Equipment 22：Belt stereoscopic fermentation equipment
23 fermentation batches devices 24 fermentation agitating device
The 25 fermentation fermentation conveyers of breaker 26
The fermentation clinker Automatic Weighing and Packing Equipment of 27 fermentation clinker screening plants 28
3：The extruding granulation equipment of fertilizer processing subsystem 31
The 32 processing processing agitating devices of proportioner 33
The 34 processing processing conveying devices of breaker 35
The particle screening device of 36 cooling device 37
38 particle Automatic Weighing and Packing Equipments
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to collar plate shape wet-film humidifying device proposed by the present invention its embodiment, structure, feature
And its effect, describe in detail as after.
Embodiment 1：
Present embodiment describes a kind of method that utilization kitchen garbage prepares fertilizer, comprise the following steps：
S1：Kitchen garbage breaking slurrying：The kitchen garbage of collection is delivered into inorganic impurity sorting device, makes drink therein
The inorganic impurities such as batch can, packaging bag are separated with organic kitchen garbage, and kitchen garbage pure after separation is delivered and set into broken slurrying
Standby crushing grinding is less than 5mm particle into average grain diameter, and is configured to the kitchen garbage slurry that moisture is 75%；
S2：Dispensing adjusts moisture：By kitchen garbage fermentation of the moisture for 75% kitchen garbage slurry, moisture 25%
Organic materials, the fermentation pig manure of moisture 30% deliver the storehouse that feeds intake into proportioner respectively, and proportioner is by the 1 of setting：1：0.3
Ratio is delivered, and makes the moisture regulation that kitchen garbage slurry, kitchen garbage fermented organic material and fermentation pig manure are blended to 47.4%；
S3：Stir refining：Kitchen garbage slurry, kitchen garbage fermented organic material and the fermented-pig of dispensing will be completed in S2
Excrement is delivered in mixing plant and stirred, and then delivers and uniform granular material is broken into chain breaker；
S4：Aerobic fermentation：Stirring will be completed and broken kitchen garbage mixing organic materials is delivered into tray-type three-dimensional hair
Ferment system carries out aerobic fermentation 4 days, and 6~12 hours therebetween, the fermentation temperature of material was increased to after more than 60 DEG C, 96~96 hours
The fermentation temperature of material, which starts to gradually reduce, returns to normal temperature, and kitchen garbage, which mixes organic material fermentation, to be terminated, and is converted into moisture and is contained
The kitchen garbage fermented organic material of amount 25%；
S5：Fertilizer is processed：40% that the kitchen garbage fermented organic material of fermentation will be completed is squeezed by extruding granulation equipment
Particulate form organic fertilizer products are pressed into, remaining 60% is back to S2 steps and fresh kitchen garbage slurry blending circulating fermentation.
Embodiment 2：
Present embodiment describes a kind of method that utilization kitchen garbage prepares fertilizer, following steps are specifically included：
S1：Kitchen garbage breaking slurrying：By the kitchen garbage of collection directly deliver into broken pulping equipment crushing grinding into
Average grain diameter is 6-10mm particles, and is configured to the kitchen garbage slurry that moisture is 60%；
S2：Dispensing adjusts moisture：The kitchen garbage slurry and moisture for being 60% by obtained moisture are 35%
Fermentation pig manure deliver the storehouse that feeds intake into proportioner, blending allotment moisture is adjusted to 35%；
S3：Stir refining：The kitchen garbage slurry of dispensing, fermentation pig manure will be completed in S2 and delivers stirring in mixing plant
Uniformly；
S4：Aerobic fermentation：Stirring will be completed and broken kitchen garbage mixing organic materials is delivered into tray-type three-dimensional hair
Ferment system carries out aerobic fermentation 15 days, and 6~12 hours therebetween, the fermentation temperature of material was increased to more than 60 DEG C, 96~120 hours
The fermentation temperature of material, which starts to gradually reduce, afterwards returns to normal temperature, and kitchen garbage, which mixes organic material fermentation, to be terminated, and is converted into kitchen
Rubbish fermentation organic materials；
S5：Fertilizer is processed：The kitchen garbage fermented organic material for completing fermentation is squeezed into by extruding granulation equipment
Grain state organic fertilizer products.
Embodiment 3：
Present embodiment describes a kind of method that utilization kitchen garbage prepares fertilizer, following steps are specifically included：
S1：Kitchen garbage breaking slurrying：By the kitchen garbage of collection directly deliver into broken pulping equipment crushing grinding into
Average grain diameter is 1-3mm particles, and is configured to the kitchen garbage slurry that moisture is 95%；
S2：Dispensing adjusts moisture：The kitchen garbage slurry and moisture for being 95% by obtained moisture are 15%
Fermentation pig manure delivers the storehouse that feeds intake into proportioner, and blending allotment moisture is adjusted to 55%；
S3：Stir refining：The kitchen garbage slurry of dispensing, fermentation pig manure will be completed in S2 and delivers stirring in mixing plant
Uniformly；
S4：Aerobic fermentation：Stirring will be completed and broken kitchen garbage mixing organic materials is delivered into tray-type three-dimensional hair
Ferment system carries out aerobic fermentation 2 days, and 6~12 hours therebetween, the fermentation temperature of material was increased to more than 60 DEG C, 96~120 hours
The fermentation temperature of material, which starts to gradually reduce, afterwards returns to normal temperature, and kitchen garbage, which mixes organic material fermentation, to be terminated, and is converted into kitchen
Rubbish fermentation organic materials；
S5：Fertilizer is processed：The kitchen garbage fermented organic material for completing fermentation is squeezed into by extruding granulation equipment
Grain state organic fertilizer products.
Embodiment 4：
Present embodiment describes a kind of method that utilization kitchen garbage prepares fertilizer, the present embodiment and the basic phase of embodiment 1
Together, difference is：
In S1, separation of solid and liquid is first carried out before kitchen garbage breaking slurrying, the solid portion after separation is delivered into inorganic miscellaneous again
Matter sorting device, makes the inorganic impurities such as beverage can therein, packaging bag be separated with organic kitchen garbage, by kitchen pure after separation
Rubbish delivers the particle into 3~5mm into broken pulping equipment crushing grinding, and is configured to the kitchen rubbish that moisture is 75%
Rubbish slurry；
In S2, by moisture for 75% kitchen garbage slurry, moisture 35% kitchen garbage fermented organic material, water
Point 10% fermentation pig manure, non-fermented organic material:Afforestation rubbish delivers the storehouse that feeds intake into proportioner respectively, wherein,
The ratio of kitchen garbage fermented organic material and fermentation pig manure is 3:7, regulation kitchen garbage slurry, kitchen garbage fermentation are organic
Material and the moisture of fermentation pig manure blending are to 50%；
In S5：By the direct processing and packing powdering organic fertilizer production in the kitchen garbage fermented organic material part of fermenting-ripening
Product, partly add big Meso- and micro-nutrients and are processed into powdery source (functional) organic fertilizer product.
Embodiment 5：
Present embodiment describes one kind fertilizer production system is prepared using kitchen garbage.Refer to shown in Fig. 2, Fig. 3, this
The production system that the utilization kitchen garbage of embodiment description prepares fertilizer is processed by slurrying subsystem 1, fermentation subsystem 2, fertilizer
Subsystem 3 is constituted；Described fermentation subsystem 2 is connected to the output end of described slurrying subsystem 1, described fertilizer processing
System 3 is connected to the output end of described fermentation subsystem 2.
To reduce impurity in order to avoid influenceing the quality of subsequent product and accelerating microbial fermentation process, kitchen garbage is carried out
The decomposition of height, needs kitchen garbage slurrying, described slurrying subsystem 1 is by nothing before aerobic fermentation is carried out to kitchen garbage
Machine impurity separating equipment 11 and pulping equipment 12 are constituted, and described kitchen garbage pulping equipment 12 is connected to the inorganic impurity point
From the rear end of equipment 11, kitchen waste inorganic impurity separation equipment 11 separates inorganic impurity therein, conveys afterwards
Enter described kitchen garbage pulping equipment 12 and slurry is made.
In order to improve fermentation efficiency, the feature of environmental protection of kitchen garbage, while improving the utilization rate in place, described hair as far as possible
Leavening dough system 2 is made up of tray-type three-dimensional Zymolysis Equipment 21.In order to improve the efficiency of fermentation operation while obtaining preferably fermentation
Effect, described tray-type three-dimensional Zymolysis Equipment 21, which is equipped with, to be provided with fermentation batches device 23, fermentation agitating device 24, ferments and break
Crushing device 25 and fermentation conveyer 26, wherein described fermentation batches device 23 is to automatically control proportioner, described hair
Ferment agitating device 24 is Double-axis screw mixing machine, and described fermentation breaker 25 is vertical chain breaker, described fermentation
Conveying device 26 is belt conveyor.
In order to meet demand of the market to granular fertilization product, kitchen garbage complete microbe conversion into after fermentation clinker often
It is required to be processed into granular pattern product, while in order to accurately add various big Meso- and micro-nutrients in the product,
Improve production efficiency and product quality, described fertilizer processing subsystem 3 by extruding granulation equipment 31, processing proportioner 32,
Process agitating device 33, processing breaker 34, processing conveying device 35, particle screening device 37 and particle Automatic Weighing and Packing Equipment
38 are constituted, wherein described extruding granulation equipment 31 is flat-die Squeezinggranulator, described processing proportioner 32 is automatic control
Proportioner processed, described processing agitating device 33 is Double-axis screw mixing machine, and described processing breaker 34 is Verticle chained
Formula disintegrating machine, described processing conveying device 35 is belt conveyor, and described particle screening device 37 is vibrating screen classifier, institute
The particle Automatic Weighing and Packing Equipment 38 stated is automatic weighing, bagging, seam bag packing machine, the described connection peace of processing proportioner 32
Mounted in the described front end of processing agitating device 33, described processing breaker 34 connection is stirred installed in described processing
The rear end of device 33 is mixed, described extruding granulation equipment 31 is arranged on described add by the described connection of processing conveying device 35
The rear end of work breaker 34, described particle screening device 37 is arranged on institute by the described connection of processing conveying device 35
The rear end for the extruding granulation equipment 31 stated, described particle Automatic Weighing and Packing Equipment 38 is connected by described processing conveying device 35
The rear end of particle screening device 37 described in city is installed.
Embodiment 6：
Refer to shown in Fig. 4, Fig. 5, the utilization kitchen garbage of the present embodiment description prepares production system and the implementation of fertilizer
Example 5 is similar, differs only in：
Described fermentation subsystem 2 is made up of belt stereoscopic fermentation equipment 22.When kitchen garbage completes microbe conversion into hair
Needed after ferment clinker directly as organic fertilizer in use, being sequentially connected installation in the described rear end of belt stereoscopic fermentation equipment 22
Fermentation clinker screening plant 27 and fermentation clinker Automatic Weighing and Packing Equipment 28, described fermentation clinker screening plant 27 passes through the hair
The connection of ferment conveying device 26 is installed in the rear end of the belt stereoscopic fermentation equipment 22, described fermentation clinker Automatic Weighing and Packing Equipment
28 connect the rear end for being arranged on described fermentation clinker screening plant 27 by fermentation conveyer 26；Described fermentation clinker sieve
Separating device 27 is vibrating screen classifier；Described fermentation clinker Automatic Weighing and Packing Equipment 28 is Automatic weighing and packaging machine.
Embodiment 7：
Refer to shown in Fig. 6, Fig. 7, the utilization kitchen garbage of the present embodiment description prepares production system and the implementation of fertilizer
Example 5 is similar, differs only in：
When system needs to produce and process the granular fertilization product of low moisture content, granular fertilization product temperature is higher after extruding
, it is necessary to carry out weighing and bagging after carrying out pressure cooling to granular fertilization product when not reaching the temperature requirement of packaging, therefore in institute
The fertilizer processing subsystem 3 stated, which is set, installs particle cooling device 36；Described particle cooling device 36 is by processing conveying dress
35 connections are put installed in the rear end of described extruding granulation equipment 31, the front end of described particle screening device 37；Described
Grain cooling device 36 is cylindrical drum cooler or straight line cooler.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent variations and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (13)
1. a kind of method that utilization kitchen garbage prepares fertilizer, it is characterised in that：It comprises the following steps：
(1)：Kitchen garbage breaking slurrying：By kitchen garbage by broken pulping equipment crushing grinding into moisture be 60%-
95% kitchen garbage slurry；
(2)：Dispensing adjusts moisture：By the kitchen garbage slurry and organic dry of obtained moisture 60%~95% in step (1)
Material blending adjusts moisture to 35%~55%；
(3)：Stir refining：Kitchen garbage slurry and organic dry material are stirred by mixing plant；
(4)：Aerobic fermentation：The kitchen garbage organic materials for completing stirring is delivered and set into pellet type or/and belt stereoscopic fermentation
Standby middle carry out aerobic fermentation；
(5)：Fertilizer is processed：The kitchen garbage fermented organic material for completing fermentation in step (4) is used to process fertilizer production
Product.
2. the method that utilization kitchen garbage according to claim 1 prepares fertilizer, it is characterised in that：In the step (5)
Completing a part for the kitchen garbage fermented organic material of fermentation is used to process fertilizer product, and another part is additionally operable to step
(2) circulating fermentation is blended with kitchen garbage slurry, described kitchen garbage fermented organic material, which is back in step (2), accounts for described
Organic dry material ratio >=30%.
3. the method that utilization kitchen garbage according to claim 1 prepares fertilizer, it is characterised in that：In the step (1)
First passed through before kitchen garbage breaking slurrying in separation of solid and liquid, and/or the step (1) and first pass through people before kitchen garbage breaking slurrying
Work or plant equipment are separated inorganic impurity therein, and kitchen garbage pure after separation is delivered into broken pulping equipment to enter
The broken slurrying of row；The average grain diameter of kitchen rubbish slurry particle is less than 10mm in the step (1).
4. the method that utilization kitchen garbage according to claim 1 prepares fertilizer, it is characterised in that：Having in step (2)
Machine dry material is organic materials and other fermented organic material after kitchen garbage ferments or/and does not ferment and have the mixing of material
Thing；The dispensing is completed by Automatic batching equipment.
5. the method that utilization kitchen garbage according to claim 4 prepares fertilizer, it is characterised in that：Other described fermentations
Organic materials is the fermented livestock excrement that moisture is less than 35%, and the non-fermented organic material includes afforestation rubbish.
6. the method that utilization kitchen garbage according to claim 1 prepares fertilizer, it is characterised in that：Step (3) also includes
The kitchen garbage organic materials for completing stirring crushes powdering by disintegrating apparatus.
7. the method that utilization kitchen garbage according to claim 1 prepares fertilizer, it is characterised in that：Described in step (4)
The aerobic fermentation time be 2-15 days.
8. the method that utilization kitchen garbage according to claim 1 or 2 prepares fertilizer, it is characterised in that：Step (5) is also wrapped
Include the direct processing and packing powdering organic fertilizer product of kitchen garbage fermented organic material of fermenting-ripening, or pass through extruder grain
Equipment is squeezed into particulate form organic fertilizer products, or the big Meso- and micro-nutrients of addition are processed into powdery source (functional) organic fertilizer product
Or particulate form source (functional) organic fertilizer product, Organic-inorganic fertilizer product are squeezed into by extruding granulation equipment.
9. a kind of utilization kitchen garbage prepares the production system of fertilizer, it is characterised in that：Including slurrying subsystem, fermentation subsystem
System, fertilizer processing subsystem；The fermentation subsystem is connected to the output end of the slurrying subsystem, and the fertilizer processes subsystem
System is connected to the output end of the fermentation subsystem；
Described slurrying subsystem is made up of inorganic impurity separation equipment or/and solid-liquid separating equipment, pulping equipment, the slurrying
Equipment is connected to the rear end of the inorganic impurity separation equipment or/and solid-liquid separating equipment, the separation of kitchen waste inorganic impurity
Equipment separates inorganic impurity therein, or/and described pulping equipment will be conveyed into after separation of solid and liquid；
The fermentation subsystem is made up of pellet type or/and belt stereoscopic fermentation equipment successively；
The fertilizer processing subsystem includes extruding granulation equipment.
10. utilization kitchen garbage according to claim 9 prepares fertilizer production system, it is characterised in that：Described pallet
Formula or belt stereoscopic fermentation equipment are equipped with the fermentation batches device or/and fermentation agitating device, the broken dress of fermentation being linked in sequence
Put, fermentation conveyer.
11. the utilization kitchen garbage according to claim 9 or 10 prepares fertilizer production system, it is characterised in that：Described
Pellet type or belt stereoscopic fermentation equipment rear end are also connected with being provided with fermentation clinker screening plant and/or fermentation clinker weighing and bagging
Device, described fermentation clinker screening plant is arranged on the pellet type or/and belt by fermentation conveyer connection
The rear end of stereoscopic fermentation equipment, described fermentation clinker Automatic Weighing and Packing Equipment is arranged on described by fermentation conveyer connection
The rear end of fermentation clinker screening plant.
12. utilization kitchen garbage according to claim 1 prepares fertilizer production system, it is characterised in that：Described fertilizer
Processing subsystem is processed breaker, is processed conveying device, extruder grain by processing proportioner and/or processing agitating device
Equipment, particle screening device and particle Automatic Weighing and Packing Equipment are constituted；Wherein, described processing proportioner is connected to described add
The front end of work agitating device, described processing breaker is connected to the rear end of the processing agitating device, the extruder grain
Equipment is arranged on the rear end of the processing breaker by the processing conveying device connection, and described particle screening device leads to
The processing conveying device connection is crossed installed in the rear end of described extruding granulation equipment, described particle Automatic Weighing and Packing Equipment is led to
Cross the rear end that particle screening device described in city is installed in described processing conveying device connection.
13. utilization kitchen garbage according to claim 12 prepares fertilizer production system, it is characterised in that：Described extruding
It is also connected with that cooling device is installed between Granulation Equipments and particle screening device, described cooling device is cylindrical drum cooler
Or net belt type cooler.
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Application publication date: 20171103 |