CN208995479U - A kind of organic garbage of city processing system - Google Patents
A kind of organic garbage of city processing system Download PDFInfo
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- CN208995479U CN208995479U CN201821618622.0U CN201821618622U CN208995479U CN 208995479 U CN208995479 U CN 208995479U CN 201821618622 U CN201821618622 U CN 201821618622U CN 208995479 U CN208995479 U CN 208995479U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
Organic garbage of city processing system, kitchen garbage receives storehouse and garden garbage is received after storehouse is connect with crushing device and connect with kitchen garden garbage mixing bunker and garbage extruder；Garbage extruder is connect with dry garbage crushing device and rubbish blending tank respectively, and excrement and sludge receive storehouse and connect with rubbish blending tank；Dry garbage crushing device is connect with garbage derivatived fuel manufacture system, rubbish blending tank and pyrohydrolysis reactor tank, is connected to respectively with solid-liquid separation tank and tank for sewage gas after biogas biological hydrolysis tank and the connection of level-one anaerobic digestor；Solid-liquid separation tank is connected to biogas residue tank and level-one biogas slurry tank respectively, biogas residue tank is connected to desiccation apparatus, level-one biogas slurry tank is connected to second level biogas slurry tank and tank for sewage gas respectively after being connected to secondary anaerobic digester, second level biogas slurry tank is connected to desiccation apparatus and digestion liquid treating system respectively after being connected to dehydration equipment, and digestion liquid treating system is connected to desiccation apparatus and reservoir；Tank for sewage gas pass through methane purification system after respectively with aerating equipment and CO2Air accumulator connection.
Description
Technical field
The utility model relates to field of energy source environment protection, and in particular to recycling for community in urban areas debirs has
Machine refuse disposal system.
Background technique
With the propulsion of national urbanization work and the raising of Living consumption, the yield of China's domestic waste
Increasingly surge；According to statistics, until 2010, house refuse year yield in National urban has been approached 1.6 hundred million tons.However, due to long-term
Since China's Disposal of Municipal Refuse more fall behind, auxiliary facility build insufficient investment, lead to most of house refuses
Fail safely and effectively to be handled disposition, the secondary pollution problem that domestic waste is arbitrarily stacked and thus caused is convex
It shows and, and cause the extensive concern of society.
Currently, the processing disposition of China's domestic waste is mainly using the technologies such as landfill and burning.Landfill stabilization occupies
Limited land resource, while being also difficult to avoid that and discharging pollutants into air, surface water, underground water and soil environment, perhaps
More countries and regions are increasingly stringent to the prevention of secondary pollution requirement of this disposal options, and processing cost is consequently increased.It burns
Has many advantages, such as thorough reduction and can the partially recycled energy.But since Refuse Incineration Process will generate poisonous and harmful gas
Body, and the effective removing and purification of these gases need a large amount of facility investment and higher operating cost, thus the technology
It is faced with " operating cost height and the public are acceptable poor " two big challenges.In recent years, city is handled using anaerobic digestion techniques
Organic waste, but process system flow setting is unreasonable, leads to system complex, it is at high cost, it is unfavorable for large-scale promotion.
Summary of the invention
The technology of the utility model solves the problems, such as: overcome the deficiencies in the prior art, proposes at a kind of organic garbage of city
Reason system.
The technical solution of the utility model is: a kind of organic garbage of city processing system, comprising: kitchen garbage receives
Storehouse, garden garbage receive storehouse, and excrement and sludge receive storehouse, kitchen garbage breaking device, garden garbage crushing device, kitchen gardens
Rubbish mixing bunker, garbage extruder, rubbish blending tank, dry garbage crushing device, garbage derivatived fuel manufacture system, pyrohydrolysis are anti-
Answer tank, biogas biological hydrolysis tank, level-one anaerobic digestor, solid-liquid separation tank, tank for sewage gas, biogas residue tank, level-one biogas slurry tank, second level natural pond
Flow container, secondary anaerobic digester, dehydration equipment, desiccation apparatus digest liquid treating system, reservoir, methane purification system, aerating
Machine, aerating column and CO2Air accumulator；Kitchen garbage receives storehouse and is connect by conveying device with kitchen garbage breaking device, gardens rubbish
Rubbish receives storehouse and is connect by conveying device with garden garbage crushing device, kitchen garbage breaking device and garden garbage crushing device
It is connect respectively by conveying device with kitchen garden garbage mixing bunker, the outlet of kitchen garden garbage mixing bunker and garbage extruder
Connection；The dry garbage outlet and rubbish serum outlet of garbage extruder pass through conveying device and dry garbage crushing device and rubbish respectively
The connection of rubbish blending tank, excrement and sludge receive storehouse and are connect by conveying device with rubbish blending tank；Dry garbage crushing device outlet
Connect with garbage derivatived fuel manufacture system, rubbish blending tank outlet by conveying device successively with pyrohydrolysis reactor tank, biogas
Biological hydrolysis tank is connected to level-one anaerobic digestor, and the outlet of level-one anaerobic digestor passes through conveying device respectively and is separated by solid-liquid separation
Pond is connected to tank for sewage gas；The outlet of solid-liquid separation tank passes through conveying device respectively and is connected to biogas residue tank and level-one biogas slurry tank, biogas residue
The outlet of tank is connected to by conveying device with desiccation apparatus, and the outlet of level-one biogas slurry tank is digested by conveying device and secondary anaerobic
Tank connection, the outlet of secondary anaerobic digester pass through conveying device respectively and are connected to second level biogas slurry tank and tank for sewage gas, second level biogas slurry
The outlet of tank is connected to by conveying device with dehydration equipment, and dehydration equipment is equipped with solid outlet and liquid outlet, and solid outlet is logical
It crosses conveying device to be connected to desiccation apparatus, liquid outlet is connected to by conveying device with digestion liquid treating system, digestive juice processing
The outlet of system is connected to by conveying device with desiccation apparatus and reservoir；Tank for sewage gas outlet passes through conveying device and methane purification
System connection, methane purification system by conveying device respectively with dispenser and/or aerating column, CO2Air accumulator connection.
Further, digestion liquid treating system includes: conditioning tank, sub- digestion reactor, anaerobic ammonia oxidation reactor, precipitating
Pond, filter device, dehydration device；Dehydration equipment is connect by conveying device with conditioning tank, and conditioning tank, is detested sub- digestion reactor
Anaerobic ammonium oxidation reactor, sedimentation basin are sequentially connected by conveying device, and sedimentation basin is provided with liquid outlet, sludge outlet and sludge
Loop exit, liquid outlet are successively connect with filter device and reservoir by conveying device, and sludge outlet passes through conveying device
It is connect with dehydration device, sludge circulation outlet is connect with sub- digestion reactor, and dehydration device is provided with dehydration device liquid outlet
It is connect with the dehydration device liquid outlet of dehydration device solid outlet, dehydration device with filter device, the dehydration dress of dehydration device
Solid outlet is set to connect with desiccation apparatus.
Further, methane purification system includes: sequentially connected roots blower, grade one filter, surge tank, pressurization
Pump, water scrubber, moisture trap, desulfurizer, fire arrester, decarbonization device, dehydrohalogenation device, denitrogenation oxygen device, level-one pressure
Contracting machine, freezing type drier, secondary filter, split-compressor, carbon dioxide heat-pump, tertiary filter, primary heater, four
Grade filter, level-one film group, secondary heater, Pyatyi filter, secondary membrane group, natural gas storage tank, CNG compressor, gas storage dress
It sets；The entrance of roots blower is connected by the outlet of conveying device and tank for sewage gas；Caisson passes through conveying device and dispenser
And/or aerating column connection；Carbon dioxide heat-pump includes recycling sequentially connected carbon-dioxide gas compressor, condenser, expansion valve and
Regenerator.
Further, garbage derivatived fuel manufacture system includes dry rubbish receiving warehouse, garbage derivatived fuel mixing bunker, rubbish
Derivatived fuel reactor tank, press machine, garbage derivatived fuel collecting bin, quick lime supply warehouse, silicon carbide supply warehouse, dry refuse breaking
The outlet of device is connect by conveying device with dry rubbish receiving warehouse, and dry rubbish receiving warehouse, quick lime supply warehouse and silicon carbide supply
Pass through garbage derivatived fuel mixing bunker respectively to storehouse to connect, the outlet of garbage derivatived fuel mixing bunker by conveying device successively with
Garbage derivatived fuel reactor tank, press machine, the connection of garbage derivatived fuel collecting bin.
Further, level-one anaerobic digestor is identical with the structure of secondary anaerobic digester.
Further, level-one anaerobic digestor includes shell, driving device, goes up and down stirring rod, stirring parts, material inlet,
Biogas outlet, biogas slurry outlet, bracket；Housing bottom is fixed on bracket, and driving device is fixed on case top, and lifting is stirred
Mixing bar is hydraulic cylinder comprising cylinder body and piston rod, cylinder body one end are connect with driving device, and the other end, which is passed through, is located at shell with shell
In vivo, stirring parts are fixedly connected with piston rod.
Further, the cylinder body for going up and down stirring rod is connected to by detachable pipeline with the oil pump that hull outside is arranged in.
Further, material inlet and biogas slurry outlet are arranged at the lower part of housing sidewall, and the setting of biogas outlet exists
The top of housing sidewall.
Further, it the system comprises cinder notch is let out, unloads cinder notch and is arranged in housing bottom.
Further, stirring parts include 2 groups of stirring sheets, and every group of stirring sheet is in same level, relative to lifting stirring rod
Axisymmetrical setting, 2 groups of stirring sheets set gradually along the axis of lifting stirring rods.
The utility model compared with prior art the advantages of be:
1, the organic garbage of city processing system of the utility model carries out at recycling municipal sludge and kitchen garbage etc.
House refuse is finally converted to biogas with higher energy density, recycled water and with higher agronomy value by reason
Charcoal soil.
2, the organic garbage of city processing system of the utility model uses hydrolysis different twice, and hydrolysis thoroughly, can produce
Raw more soluble degradation objects, greatly improve biogas output.Such as: pyrohydrolysis can quickly make lignin and hemicellulose in stalk
Element degradation can make the solid cellulose softening degradation surrounded by lignin.Biological hydrolysis tank is entered back into later carries out biological enzymolysis
Afterwards, liquid phase send the souring tank of biogas fermentation device to carry out methane backeria fermentation again.
3, the organic garbage of city processing system of the utility model utilizes level-one anaerobic digestor, makes waste in anaerobic condition
It is stabilized by the metabolic activity of microorganism down, while the substances such as methane are generated, then biogas slurry is passed through into secondary anaerobic digestion,
Resource is set to be fully used.
4, the digestion liquid treating system of the organic garbage of city processing system of the utility model will contain ammonia nitrogen sludge-digestion liquid
Processing realizes the processing of the high sludge-digestion liquid containing ammonia nitrogen for the system of charcoal soil and recycled water；
5, desulfurizer, gas of the methane purification system of the organic garbage of city processing system of the utility model by setting
The devices such as separator, biogas compressor, cooling driers, level-one film group, secondary membrane group, biogas compressor cooperation successively to biogas into
Row processing, ensure that processing after final output gas in high-order calorific capacity, total sulfur, H2S、CO2、O2, the indexs such as water dew point reach
To the standard of vehicle fuel.It realizes and purification is carried out to biogas with lower investment and operating cost, better simply control
Processing, making that treated, output gas meets vehicle fuel standard requirements.
Detailed description of the invention
Fig. 1 is the schematic diagram of the organic garbage of city processing system of the utility model.
Fig. 2 is to digest the schematic diagram of liquid treating system in the organic garbage of city processing system of the utility model.
Fig. 3 is the schematic diagram of methane purification system in the organic garbage of city processing system of the utility model.
Fig. 4 is carbon dioxide heat-pump in methane purification system in the organic garbage of city processing system of the utility model
Schematic diagram.
Fig. 5 is the schematic diagram of garbage derivatived fuel manufacture system in the organic garbage of city processing system of the utility model.
Fig. 6 is the structural schematic diagram of anaerobic digestor in the organic garbage of city processing system of the utility model.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in figures 1 to 6, a kind of organic garbage of city processing system, comprising: kitchen garbage receives storehouse, and garden garbage receives
Storehouse, excrement and sludge receive storehouse, kitchen garbage breaking device, garden garbage crushing device, kitchen garden garbage mixing bunker, rubbish
Extruder, rubbish blending tank, dry garbage crushing device, garbage derivatived fuel manufacture system, pyrohydrolysis reactor tank, biogas Biological water
Solution tank, level-one anaerobic digestor, solid-liquid separation tank, tank for sewage gas, biogas residue tank, level-one biogas slurry tank, second level biogas slurry tank, secondary anaerobic disappear
Change tank, dehydration equipment, desiccation apparatus digests liquid treating system, reservoir, methane purification system, dispenser, aerating column and CO2
Air accumulator.
The kitchen garbage receives storehouse and is connect by conveying device with the kitchen garbage breaking device, the garden garbage
It receives storehouse to connect by conveying device with the garden garbage crushing device, the kitchen garbage breaking device and garden garbage are broken
Crushing device passes through conveying device respectively and connect with kitchen garden garbage mixing bunker, the outlet of the kitchen garden garbage mixing bunker with
The garbage extruder connection.
The dry garbage outlet and rubbish serum outlet of the garbage extruder pass through conveying device and dry refuse breaking respectively
Device is connected with rubbish blending tank, and the excrement and sludge receive storehouse and connect by conveying device with the rubbish blending tank.
The dry garbage crushing device outlet is connect with the garbage derivatived fuel manufacture system, and the rubbish blending tank goes out
Mouthful by conveying device successively with pyrohydrolysis reactor tank, biogas biological hydrolysis tank is connected to level-one anaerobic digestor, level-one anaerobism
The outlet of digester passes through conveying device respectively and is connected to solid-liquid separation tank and tank for sewage gas.
The outlet of solid-liquid separation tank passes through conveying device respectively and is connected to biogas residue tank and level-one biogas slurry tank, the outlet of biogas residue tank
It being connected to by conveying device with desiccation apparatus, the outlet of level-one biogas slurry tank is connected to by conveying device with secondary anaerobic digester,
The outlet of secondary anaerobic digester passes through conveying device respectively and is connected to second level biogas slurry tank and tank for sewage gas, the outlet of second level biogas slurry tank
It is connected to by conveying device with dehydration equipment, dehydration equipment is equipped with solid outlet and liquid outlet, and solid outlet passes through conveying dress
It sets and is connected to desiccation apparatus, liquid outlet is connected to by conveying device with digestion liquid treating system, and going out for liquid treating system is digested
Mouth is connected to by conveying device with desiccation apparatus and reservoir.
Tank for sewage gas outlet is connect by conveying device with methane purification system, and methane purification system is distinguished by conveying device
With dispenser and/or aerating column, CO2Air accumulator connection.
The digestion liquid treating system includes: conditioning tank, sub- digestion reactor, anaerobic ammonia oxidation reactor, sedimentation basin, mistake
Filter device, dehydration device；The dehydration equipment is connect by conveying device with the conditioning tank, and the conditioning tank, sub- digestion are anti-
Device, anaerobic ammonia oxidation reactor, sedimentation basin is answered to be sequentially connected by conveying device, the sedimentation basin is provided with liquid outlet, dirt
Mud outlet and sludge circulation outlet, the liquid outlet is successively connect with filter device and reservoir by conveying device, described
Sludge outlet is connect by conveying device with dehydration device, and the sludge circulation outlet is connect with the sub- digestion reactor, institute
It states dehydration device and is provided with dehydration device liquid outlet and dehydration device solid outlet, the dehydration device liquid of the dehydration device
Outlet is connect with the filter device, and the dehydration device solid outlet of the dehydration device is connect with the solar energy desiccation field.
Preferably, the filter device is membrane filtration device, and the filter membrane diameter of the filter device is 0.001-0.003
μm, to improve filtering accuracy.
Preferably, the dehydration equipment is sludge dewatering computer room, screw extruder or centrifugal dehydrator.
Preferably, the methane purification system includes: sequentially connected roots blower, grade one filter, surge tank, pressurization
Pump, water scrubber, moisture trap, desulfurizer, fire arrester, decarbonization device, dehydrohalogenation device, denitrogenation oxygen device, level-one pressure
Contracting machine, freezing type drier, secondary filter, split-compressor, carbon dioxide heat-pump, tertiary filter, primary heater, four
Grade filter, level-one film group, secondary heater, Pyatyi filter, secondary membrane group, natural gas storage tank, CNG compressor, gas storage dress
It sets；The entrance of the roots blower is connect by conveying device with the outlet of the tank for sewage gas；The caisson passes through conveying
Device is connect with dispenser and/or aerating column；The carbon dioxide heat-pump includes recycling sequentially connected carbon-dioxide gas compressor,
Condenser, expansion valve and regenerator.
Preferably, the methane purification system includes heat exchanger, the carbon dioxide working medium and one of the carbon dioxide heat-pump
The cooling backwater of grade heater and secondary heater is exchanged heat by the heat exchanger.
Preferably, the grade one filter be particulate filter, the secondary filter be coalescing filter, described three
Grade filter is water absorbing filter, and the level Four filter and Pyatyi filter are oil water separation filtering.
Preferably, the methane purification system includes CO2Air accumulator, the level-one film group and secondary membrane group are CH4/CO2
Seperation film, the CH of the level-one film group4Infiltration outlet and CO2Infiltration outlet respectively with the entrance of secondary heater and CO2Air accumulator
Entrance connection, the CH of the secondary membrane group4Infiltration outlet and CO2Infiltration outlet respectively with the entrance of natural gas storage tank and CO2Gas storage
The connection of tank entrance.
Preferably, the stage compressor and split-compressor are biogas compressor.
Preferably, it is provided with odorization machine on the pipeline between the CHG compressor and caisson, to meet civilian mark
Standard, it is more preferably safe.
Preferably, level-one anaerobic digestor is identical with the structure of secondary anaerobic digester.
Preferably, level-one anaerobic digestor and secondary anaerobic digester include shell 10, driving device 20, lifting stirring
Bar 30, stirring parts 40, material inlet 50, biogas outlet 60, biogas slurry outlet 70 let out cinder notch 80, bracket 90；The shell 10
Bottom is fixed on the bracket 90, and the driving device 20 is fixed on 10 top of shell, and the lifting stirring rod 30 is
Hydraulic cylinder comprising cylinder body 31 and piston rod 32, described 31 one end of cylinder body are connect with the driving device 20, the other end pass through with
The shell 10 is located in the shell 10, and the cylinder body 31 of the lifting stirring rod 30 by detachable pipeline and is arranged in shell
Oil pump connection outside 10；The stirring parts 40 are fixedly connected with the piston rod 32, the material inlet 50 and biogas slurry discharge
Mouth 70 is arranged at the lower part of 10 side wall of shell, and the top of 10 side wall of shell is arranged in the biogas outlet 60,
The cinder notch 80 that unloads is arranged in 10 bottom of shell.
Preferably, the driving device 20 is servo motor.
The preferred stirring parts 40 include 2 groups of stirring sheets, and every group of stirring sheet is in same level, relative to the lifting
The axisymmetrical of stirring rod 30 is arranged, and 2 groups of stirring sheets are set gradually along the axis of the lifting stirring rod 30, passes through 2 groups of stirrings
Piece improves stirring capacity.
The course of work of the organic garbage of city processing system of the utility model is as follows:
A), rubbish in storehouse is delivered to broken by kitchen garbage reception storehouse and garden garbage reception storehouse by conveying device respectively
It is sent into after the mixing of kitchen garbage mixing bunker after device is broken by conveying device and enters garbage extruder extruding, dry rubbish after extruding
It is delivered to after dry garbage crushing device is crushed by conveying device and prepares garbage derivatived fuel into garbage derivatived fuel manufacture system,
Rubbish slurries after extruding are delivered to rubbish blending tank by conveying device, and excrement and sludge receive storehouse for the excrement and sludge in storehouse
It is delivered to rubbish blending tank by conveying device, the mixture in blending tank successively passes through pyrohydrolysis reactor tank and carries out pyrohydrolysis,
Biogas biological hydrolysis tank carries out biological hydrolysis and level-one anaerobic digestor carries out level-one anaerobic digestion, what level-one anaerobic digestion generated
Biogas enters tank for sewage gas by conveying device, and remaining mixture enters solid-liquid separation tank, and the biogas residue of solid-liquid separation tank separation passes through
Conveying device enters biogas residue tank, and biogas slurry enters level-one biogas slurry tank by conveying device, and the biogas residue in biogas residue tank passes through conveying device
Into desiccation apparatus desiccation, the biogas slurry in level-one biogas slurry tank enters secondary anaerobic digester by anaerobic digestion by conveying device
Generating biogas and biogas slurry afterwards, biogas enters tank for sewage gas by conveying device, and biogas slurry enters second level biogas slurry tank by conveying device, and two
Biogas slurry in grade biogas slurry tank, which by conveying device enters dehydration equipment and carries out dehydration, forms filtrate and filter residue, and filter residue is filled by conveying
It sets and enters solar energy desiccation field desiccation formation charcoal soil.
B), filtrate enters conditioning tank storage by conveying device, and the filtrate of conditioning tank storage enters Asia by conveying device
Digestion reactor enter after denitrogenation anaerobic ammonia oxidation reactor and carries out secondary denitrogenation, the filtrate after denitrogenation enter sedimentation basin into
Row sludge settling, forms sludge and clear liquid, the sludge of partly precipitated enter dehydration device and is dehydrated, partly precipitated sludge circulation
Denitrogenation is repeated to sub- digestion reactor, dewatered sludge forms biological carbon soil after the drying and other treatment of solar energy desiccation field, clearly
Liquid enters reservoir formation recycled water after passing through membrane filtration.
C), after the biogas in tank for sewage gas is extracted out by roots blower, buffering is entered after particulate filter filters particulate matter
Tank buffering, biogas are exported from surge tank by successively passing through water scrubber, moisture trap, desulfurizer, resistance after force (forcing) pump pressurization
Firearm, decarbonization device, dehydrohalogenation device, denitrogenation oxygen device realize the removal of the impurity such as carbide, sulfide, hydrogen halides；It goes
Except the gas of related impurities passes sequentially through stage compressor, freezing type drier, secondary filter, split-compressor, titanium dioxide
Carbon heat pump, tertiary filter, primary heater, level Four filter, level-one film group, secondary heater, Pyatyi filter, secondary membrane
Group enters natural gas storage tank after realizing dehydration and carbon dioxide removal, and the natural gas of natural gas storage tank outlet is high by CNG compressor
Pressure, which is compressed and injected after foul smell by odorization machine, enters caisson for the aerating of natural gas commerial vehicle and/or for CNG tank car
Gas injection.
D), broken dry rubbish enters dry rubbish receiving warehouse by conveying device, the dry rubbish in dry rubbish receiving warehouse,
Lime stone in lime stone supply warehouse, the silicon carbide in silicon carbide supply warehouse pass through conveying device respectively and enter garbage derivatived fuel
Enter in garbage derivatived fuel reactor tank in mixing bunker to react at high temperature 2 hours or so after mixing and rear be entered by conveying device
It is pressed into molding in press machine and is sent by defeated device to collecting in garbage derivatived fuel collecting bin.
In the process, the carbon dioxide that level-one film group and secondary membrane group are precipitated, which enters in carbon dioxide air accumulator, to be stored.
Wherein, the workflow of carbon dioxide heat-pump is as follows: through the compressed high temperature and pressure dioxy of carbon-dioxide gas compressor
Change after carbon enters condenser heat exchange and forms cryogenic high pressure carbon dioxide；The cryogenic high pressure carbon dioxide passes through the expansion valve shape
At low-temp low-pressure carbon dioxide, the low-temp low-pressure carbon dioxide enters regenerator heat exchange, forms high-temperature low-pressure carbon dioxide, institute
It states high-temperature low-pressure carbon dioxide and enters carbon-dioxide gas compressor, form high temperature and pressure carbon dioxide, the gas of split-compressor outlet
Body realizes cooling by regenerator and the low-temperature carbon dioxide heat exchange of carbon dioxide heat-pump, described cold so as to the precipitation of liquid water
Condenser is connected to the heat exchanger, realizes that low temperature high temperature carbon dioxide and the cooling backwater of primary heater and secondary heater change
Heat.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of organic garbage of city processing system characterized by comprising kitchen garbage receives storehouse, and garden garbage receives storehouse,
Excrement and sludge reception storehouse, kitchen garbage breaking device, garden garbage crushing device, kitchen garden garbage mixing bunker, rubbish squeeze
Press, rubbish blending tank, dry garbage crushing device, garbage derivatived fuel manufacture system, pyrohydrolysis reactor tank, biogas biological hydrolysis
Tank, level-one anaerobic digestor, solid-liquid separation tank, tank for sewage gas, biogas residue tank, level-one biogas slurry tank, second level biogas slurry tank, secondary anaerobic digestion
Tank, dehydration equipment, desiccation apparatus digest liquid treating system, reservoir, methane purification system, dispenser, aerating column and CO2Storage
Gas tank；
Kitchen garbage receives storehouse and is connect by conveying device with kitchen garbage breaking device, and garden garbage receives storehouse and passes through conveying dress
Set and connect with garden garbage crushing device, kitchen garbage breaking device and garden garbage crushing device pass through respectively conveying device with
The connection of kitchen garden garbage mixing bunker, the outlet of kitchen garden garbage mixing bunker is connect with garbage extruder；
The dry garbage outlet and rubbish serum outlet of garbage extruder pass through conveying device and dry garbage crushing device and rubbish respectively
The connection of rubbish blending tank, excrement and sludge receive storehouse and are connect by conveying device with rubbish blending tank；
The outlet of dry garbage crushing device connect with garbage derivatived fuel manufacture system, rubbish blending tank export pass through conveying device according to
Secondary and pyrohydrolysis reactor tank, biogas biological hydrolysis tank are connected to level-one anaerobic digestor, the outlet difference of level-one anaerobic digestor
It is connected to by conveying device with solid-liquid separation tank and tank for sewage gas；
The outlet of solid-liquid separation tank passes through conveying device respectively and is connected to biogas residue tank and level-one biogas slurry tank, and the outlet of biogas residue tank passes through
Conveying device is connected to desiccation apparatus, and the outlet of level-one biogas slurry tank is connected to by conveying device with secondary anaerobic digester, second level
The outlet of anaerobic digestor passes through conveying device respectively and is connected to second level biogas slurry tank and tank for sewage gas, and the outlet of second level biogas slurry tank passes through
Conveying device is connected to dehydration equipment, dehydration equipment be equipped with solid outlet and liquid outlet, solid outlet by conveying device with
Desiccation apparatus connection, liquid outlet are connected to by conveying device with digestion liquid treating system, and the outlet for digesting liquid treating system is logical
Conveying device is crossed to be connected to desiccation apparatus and reservoir；
Tank for sewage gas outlet is connect by conveying device with methane purification system, methane purification system pass through conveying device respectively with add
Mechanism of qi and/or aerating column, CO2Air accumulator connection.
2. system according to claim 1, it is characterised in that: digestion liquid treating system includes: conditioning tank, sub- digestion reaction
Device, anaerobic ammonia oxidation reactor, sedimentation basin, filter device, dehydration device；Dehydration equipment is connected by conveying device and conditioning tank
It connects, conditioning tank, sub- digestion reactor, anaerobic ammonia oxidation reactor, sedimentation basin are sequentially connected by conveying device, sedimentation basin setting
Have liquid outlet, sludge outlet and sludge circulation outlet, liquid outlet by conveying device successively with filter device and reservoir
Connection, sludge outlet are connect by conveying device with dehydration device, and sludge circulation outlet is connect with sub- digestion reactor, dehydration dress
It installs and is equipped with dehydration device liquid outlet and dehydration device solid outlet, the dehydration device liquid outlet of dehydration device and filtering fill
Connection is set, the dehydration device solid outlet of dehydration device is connect with desiccation apparatus.
3. system according to claim 1, it is characterised in that: methane purification system includes: sequentially connected roots blower,
Grade one filter, surge tank, force (forcing) pump, water scrubber, moisture trap, desulfurizer, fire arrester, decarbonization device, dehydrohalogenation
Device, denitrogenation oxygen device, stage compressor, freezing type drier, secondary filter, split-compressor, carbon dioxide heat-pump, three
Grade filter, primary heater, level Four filter, level-one film group, secondary heater, Pyatyi filter, secondary membrane group, natural gas
Storage tank, CNG compressor, caisson；The entrance of roots blower is connected by the outlet of conveying device and tank for sewage gas；Caisson
It is connect by conveying device with dispenser and/or aerating column；Carbon dioxide heat-pump includes recycling sequentially connected pressurized carbon dioxide
Contracting machine, condenser, expansion valve and regenerator.
4. system according to claim 1, it is characterised in that: garbage derivatived fuel manufacture system includes dry rubbish rewinding
Storehouse, garbage derivatived fuel mixing bunker, garbage derivatived fuel reactor tank, press machine, garbage derivatived fuel collecting bin, quick lime supply
The outlet in storehouse, silicon carbide supply warehouse, dry garbage crushing device is connect by conveying device with dry rubbish receiving warehouse, dry rubbish rewinding
Storehouse, quick lime supply warehouse and silicon carbide supply warehouse pass through garbage derivatived fuel mixing bunker respectively and connect, garbage derivatived fuel mixing
The outlet in storehouse by conveying device successively with garbage derivatived fuel reactor tank, press machine, garbage derivatived fuel collecting bin connection.
5. system according to claim 1, it is characterised in that: the structure of level-one anaerobic digestor and secondary anaerobic digester
It is identical.
6. system according to claim 5, it is characterised in that: level-one anaerobic digestor includes shell, driving device, lifting
Stirring rod, stirring parts, material inlet, biogas outlet, biogas slurry outlet, bracket；Housing bottom is fixed on bracket, driving dress
It sets and is fixed on case top, lifting stirring rod is hydraulic cylinder comprising cylinder body and piston rod, cylinder body one end and driving device connect
It connects, the other end is passed through to be located in shell with shell, and stirring parts are fixedly connected with piston rod.
7. system according to claim 5, it is characterised in that: the cylinder body for going up and down stirring rod passes through detachable pipeline and setting
It is connected in the oil pump of hull outside.
8. system according to claim 5, it is characterised in that: material inlet and biogas slurry outlet are arranged at housing sidewall
Lower part, the top of housing sidewall is arranged in biogas outlet.
9. system according to claim 5, it is characterised in that: including letting out cinder notch, unload cinder notch and be arranged in housing bottom.
10. system according to claim 5, it is characterised in that: stirring parts include 2 groups of stirring sheets, and every group of stirring sheet is same
One horizontal plane, relative to the axisymmetrical setting of lifting stirring rod, 2 groups of stirring sheets are set gradually along the axis of lifting stirring rod.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115862A1 (en) * | 2021-12-24 | 2023-06-29 | 北京城市排水集团有限责任公司 | Sludge and kitchen collaborative digestion process coupled with intermediate thermal hydrolysis |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023115862A1 (en) * | 2021-12-24 | 2023-06-29 | 北京城市排水集团有限责任公司 | Sludge and kitchen collaborative digestion process coupled with intermediate thermal hydrolysis |
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