CN106734092B - A kind of construction method of city Venous Industrial garden system - Google Patents

A kind of construction method of city Venous Industrial garden system Download PDF

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Publication number
CN106734092B
CN106734092B CN201611209325.6A CN201611209325A CN106734092B CN 106734092 B CN106734092 B CN 106734092B CN 201611209325 A CN201611209325 A CN 201611209325A CN 106734092 B CN106734092 B CN 106734092B
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China
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sludge
refuse
construction
remaining
nitrogenous
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CN201611209325.6A
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Chinese (zh)
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CN106734092A (en
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张悦
王子悦
唐建国
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北京汇园生态科技有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G17/00Cultivation of hops, vines, fruit trees, or like trees
    • A01G17/005Cultivation methods
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C01D5/06Preparation of sulfates by double decomposition
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • CCHEMISTRY; METALLURGY
    • C05FERTILISERS; MANUFACTURE THEREOF
    • C05DINORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D1/00Fertilisers containing potassium
    • C05D1/02Manufacture from potassium chloride or sulfate or double or mixed salts thereof
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023Methane
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/59Biological synthesis; Biological purification
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/20Sludge processing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/20Waste processing or separation

Abstract

A kind of construction method of city Venous Industrial garden system, including refuse classification:The domestic waste being made up of biomass class rubbish and fossil class rubbish is sorted, building waste and old household electrical appliances are sorted out from house refuse;Biomass separating treatment:To the house refuse after sorting after broken bag, separating dry space from moist space, dry rubbish and wet refuse are formed;Giving energy by burning refuse converts:Wet refuse and sludge are formed into biogas, nitrogenous filtrate and biological carbon soil by anaerobic digestion;Biogas forms natural gas by methane purification;Nitrogenous filtrate purifies to form recycled water and biological carbon soil by nitrogenous digestive juice;Recycled water and biological carbon soil educate tree for potted plant;Building waste, old household electrical appliances and dry rubbish obtain the renewable sources of energy and regrown material, the renewable sources of energy prepare fuel by garbage derivatived fuel by crushing, disassembling, sorting/separation.The construction method of the present invention, the closed loop mode of " resource-product-regenerated resources " is realized, realize that life and industrial refuse are turned waste into wealth, recycled.

Description

A kind of construction method of city Venous Industrial garden system

Technical field

The present invention relates to a kind of city house refuse treatment method, particularly a kind of structure of city Venous Industrial garden system Method.

Background technology

Urban Garbage Treatment in China lacks the Top Level Research, for origin caused by rubbish and corresponding mode classification etc. Lack the practice such as deep layer research, the categorised collection of rubbish, processing disposal and lack theoretical direction, thus cause garbage treatment efficiency with Effective levels are low.Due to lacking top layer theoretical direction, the technical research of Urban Garbage Treatment in China and application and go out foothold Hair loses count of, and basic goal is failed to understand, often relies on achievable, single " innoxious " treatment technology to dominate garbage disposal Process route, the directions and principles of " recycling " are deviated to a certain extent.The correlation theory of organic whole is used as using city Research is inadequate, and refuse collection, disposal and the utilization of resources have serious industry segmentation, technology segmentation, material segmentation, management, skill Art and engineering construction it is comprehensive not enough, be inclined in fragmentation.Generally lack the refuse classification for being adapted to Chinese characteristic, processing With the systems approach and best-of-breed technology route of the utilization of resources.

The content of the invention

The technology of the present invention solves problem:A kind of overcome the deficiencies in the prior art, there is provided city Venous Industrial garden system Construction method, its using conservation culture as instruct, using city be used as organic whole and life entity, visually use " artery " and The concept of " vein ", the purification of vein product is studied emphatically and recycles mechanism, it is proposed that centralized treatment of urban garbage and money Source utilizes new route, forms city Venous Industrial garden, prominent to embody globality, systematicness and practicality, realizes at municipal refuse Green, circulation, the low carbon development in reason field.

Wherein, city " artery " refers to natural resources is processed into product in city, and carries out consumption use to product, from And product is caused gradually to lose its function and become the industry process of discarded object.Simply it is summarized as:Resource --- product --- Process of consumption --- discarded object.City " vein " refers to discarded object is converted into regenerated resources in city, so that resource is again The industry process recycled, caused reconstituted product circulate participation " artery " process again.Simply it is summarized as:Discarded object --- Regeneration --- reconstituted product.City Venous Industrial garden refers to establish using Venous Industrial as leading eco industrial park, passes through vein Industry the linear economy pattern of traditional " resource --- product --- discarded object ", transform " resource --- production as much as possible The closed loop economic model of product --- regenerated resources ", realize that life and industrial refuse are turned waste into wealth, recycled.

The present invention technical solution be:A kind of construction method of city Venous Industrial garden system, comprises the following steps:

A), refuse classification

Domestic waste is sorted, the domestic waste includes biomass class rubbish and fossil class rubbish, from described Building waste and old household electrical appliances are sorted out in domestic waste;

B), biomass separating treatment

To by step A) sorting after domestic waste after broken bag, separating dry space from moist space, form dry rubbish and wet rubbish Rubbish;

C), municipal refuse energy conversion

C1), by step B) in wet refuse and sludge pass through anaerobic digestion formed biogas, nitrogenous filtrate and biological carbon soil; The biogas is formed into natural gas by methane purification technology, used for gas-fueled vehicles;The nitrogenous filtrate is passed through nitrogenous Digestive juice purification techniques forms recycled water and biological carbon soil;The recycled water and biological carbon soil educate tree for potted plant;

C2), by step A) in the building waste, old household electrical appliances and the step B that sort out) in dry rubbish by crushing, disassembling, Sorting/separation, obtains the renewable sources of energy and regrown material, the renewable sources of energy are fired by garbage derivatived fuel technology of preparing Material.

Further, step C) in anaerobic digestion comprise the following steps:

C111), sludge is entered behind sludge reception storehouse by carrying out pyrohydrolysis hot water used in system solution by conveying device;

C112), by step B) in formed wet refuse by conveying device enter wet refuse receive storehouse;

C113), the sludge after wet refuse and pyrohydrolysis is sent into after blending tank mixing in inflow heat exchanger by feed arrangement, Indirect heat exchange is carried out with recirculated water;

C114 the recirculated water after), exchanging heat is back to pyrohydrolysis system, as the hot water that thermal source is the sludge that sludge receives storehouse Solution provides heat, and the wet refuse and sludge fluid-mixing after heat exchange cooling enter anaerobic digestor, carry out anaerobic digestion reaction;

C115), biogas caused by anaerobic digestion reaction enters methane purification system progress methane purification;Anaerobic digestion is reacted The biogas slurry of formation is dehydrated into dewaterer, and drying and other treatment is carried out to the sludge after dehydration, forms biological carbon soil;Filtrate is nitrogenous filter Liquid, the nitrogenous filtrate enter nitrogenous digestion liquid purification system after entering dehydration filtrate pond.

Further, step C1) in methane purification technology comprise the following steps:

C121), step B) in wet refuse and sludge by biogas caused by anaerobic digestion pass through transfer pipeline enter store up Gas holder;

C122), the biogas of gas storage holder memory storage passes sequentially through supercharging, buffering, filtering, desulfurization, dehydration, decarburization, denitrogenation, de- Natural gas is formed after halide, denitrifying oxide, enters natural gas storage facility after the natural gas boosting;

C123), by the natural gas transportation in storage facility to aerating post or gas station, used for gas-fueled vehicles.

Further, step C1) in nitrogenous digestive juice purification techniques comprise the following steps:

C131), step C1) in nitrogenous filtrate by conveying device into storage pool store;

C132), the nitrogenous filtrate of storage pool storage is entered after sub- digestion reactor carries out denitrogenation by conveying device and entered Anaerobic ammonia oxidation reactor carries out secondary denitrogenation;

C133), the filtrate after denitrogenation enters sedimentation basin progress sludge settling, forms sludge and clear liquid;

C134), the sludge of precipitation enters dehydration machine room, and the sludge after dehydration forms biological carbon soil after drying and other treatment, Clear liquid after membrane filtration by forming recycled water.

Further, step C1) in recycled water and biological carbon soil be used to potted plant educate tree and comprise the following steps:

C141), take the step C1 of 45-55 parts by weight) formed biological carbon soil and crush after cross 0.1-2mm sieve, obtain Biological carbon soil major ingredient;

C142), take 15-25 parts by weight float stone or the zeolite of 15-25 parts by weight and crushing after cross 0.1-1mm sieve;Take 0.1-0.5mm sieve is crossed after the bentonite of 25-40 parts by weight and crushing;By the float stone to pulverize and sieve or zeolite and pulverize and sieve Bentonite mixing is used as auxiliary material;

C143 20-30 parts by weight step C1 is added after), major ingredient is mixed with auxiliary material) recycled water that is formed stir to be formed it is mixed Compound;

C144), with comminutor by step C143) a diameter of 3-6mm particular biological carbon soil is made in the mixture that is formed Soil conditioner;

C145), by step C144) formed particular biological carbon soil soil conditioner add soil in improve soil property, and Impose recycled water shower to pour, progress is potted plant to educate tree.

Further, step C2) in by step A) in the old household electrical appliances of building waste and step B that sort out) in dry rubbish By crushing, disassembling, sorting/separation, obtain the renewable sources of energy and regrown material, the renewable sources of energy pass through garbage derivatived fuel system Standby technology obtains fuel, comprises the following steps:

C151), by step A) in sort out big part metal, plastics, glass after the construction waste crushing that sorts out;

C152), by step C151) processing after remaining material carry out two-stage crushing, magnetic separation, the metal of smallclothes is selected;

C153), by step A) in the old household electrical appliances that sort out disassemble, isolate metal, plastic and glass;

C154), by step B) in formed dry refuse breaking after sort out metal, glass, plastics and battery;

C155), by step C151)-step C154) separation and/or sort out metal, plastic and glass classification, recovery Utilize, form regrown material;

C156), by step C154) processing after remaining material pass through garbage derivatived fuel technology of preparing formed fuel;

C157), by step C152) and step C153) processing after remaining material mixing after sieve, filter out granularity and be less than Reutilization technology is solidified by building waste after 40mm fritter building waste and forms renewable building material;

C158), by step C157) remaining granularity is burnt not less than 40mm remaining material after sieving, for heat Produce Electricity Federation;Remaining solid waste is used for brickmaking.

Further, by step C154) in battery be sent into hazardous waste processing center processing, reclaim metal, formed regenerated material Material.

Further, step C153) in, by step A) in the old household electrical appliances that sort out disassemble, isolate metal, plastics and glass Glass comprises the following steps:

C161 classification), is disassembled:Waste household appliances are disassembled and classified;

C162), to step C161) disassemble obtained CRT glass in classification and crushed, be calcined, reclaim in roasting process Caused mercurous class solid and glass;

C163), to step C161) printed circuit board (PCB) obtained in classification, the separation of metallo-plastic body are disassembled, isolate plastics And metal;

C164), to step C163) in metal carry out acidleach processing;Immersion liquid is entered successively again line replacement carry Ag, electrolysis carry Cu and alkali fusion carry Au, obtain metal.

Further, step C156) in, by step C154) processing after remaining material prepared by garbage derivatived fuel Technology forms fuel, comprises the following steps:

C171), by step C154) remaining crushing material after processing is to 15-25mm;

C172), by weight, using step C171) crush after material as standard weights, in step C171) crushing after Material in add 3%-5% quick lime and 2%-3%SiC, at 300-400 DEG C react 0.5-2 hours after, in 20MPa Pressure under it is compressing, dry after form garbage derivatived fuel.

Further, step C158) in, by step C157) sieving after remaining granularity be not less than 40mm remaining material Burnt, for cogeneration of heat and power;Remaining solid waste is used for brickmaking, comprises the following steps:By step C157) sieving after remaining grain Remaining material of the degree not less than 40mm is in burning in circulating fluid bed boiler, for cogeneration of heat and power, in burning in circulating fluid bed boiler Caused clinker after processing, for brickmaking;500-600 DEG C of boiler exhaust gas is cooled down rapidly by heat exchanger, heat is retained The thermal source to get off for brickmaking still kettle.

The present invention compared with prior art the advantages of be:

(1), the construction method of city Venous Industrial garden system of the invention, is an organic life entity by city, is introduced The concept of artery and vein:City artery supplies all kinds of raw materials, product, energy etc., maintains city operations, and in city production and All kinds of wastes are produced in process of consumption, as vein product, by the purification and regeneration in Venous Industrial garden, are converted into new resource And the energy, city artery is injected, then forms benign, healthy circulating system;

(2), the construction method of city Venous Industrial garden system of the invention, analyze, recognize from the top layer of humans-nature relationship Know two big origins, i.e. biomass class rubbish and fossil class rubbish caused by rubbish, wherein biomass class rubbish comes from natural, ecological Product, dependent on physical features such as sunlight, soil, air and water, using photosynthesis as Basic Mechanism, produce plant and spread out Lively thing, as people is lifted to the understanding and application level of these rules, cultivation culture is formed, efficiently output agro-farming product, And as the valuable source of city production and living;The waste being consequently formed, origin are agro-farming products, and essence is ecological product, tool There are Biomass Characteristics;Fossil class rubbish comes from the product of human industry, and with the development of human sciences, industrial revolution process adds It hurry up, especially the rapid lifting of the excavation to fossil material and Utilization ability, a large amount of fossils, chemical products come out, also as city The valuable source of city's production and living, the waste being consequently formed, origin are industrial products, and essence is artefact, have fossil class Non- ecosystem characterization;The construction method of the city Venous Industrial garden system of the present invention carries out refuse classification from origin, constructs rubbish Benign, the healthy circulating system of processing;

(3), the construction method of city Venous Industrial garden system of the invention is with the idea of development of " green, circulation, low-carbon ", Basic principle and requirement as city Venous Industrial garden structure, save, save land, less with chemical agent, reduction disposal of pollutants;

(4), the construction method of city Venous Industrial garden system of the invention realizes water circulation, energy circulation, nutrients Circulation, carbon dioxide recycle, all advanced treatment of wastewater in garden, reclaimed wastewater reuse, natural water source is substituted, makes every effort to zero-emission;Adopt With anaerobic digestion techniques, high grade methane is produced;Efficiently burned using rubbish or gasification technology, electric energy, heat energy are provided for garden, to the greatest extent Maximum possible realizes energy balance;Using biomass waste is innoxious, stabilization technology, production biological carbon soil, by organic matter and The nutrients such as nitrogen, phosphorus, potassium return soil, for forestry or agricultural;Using biological carbon soil, repaired in sandy bare land, salt-soda soil, mining area Ground, refuse landfill etc. are difficult to the place afforested, large area construction movement forest, form new carbon and converge.

Brief description of the drawings

Fig. 1 is the overview flow chart of the construction method of the city Venous Industrial garden system of the present invention;

Fig. 2 is anaerobic digestion techniques flow chart in the construction method of the city Venous Industrial garden system of the present invention;

Fig. 3 is methane purification techniqueflow chart in the construction method of the city Venous Industrial garden system of the present invention;

Fig. 4 is nitrogenous digestive juice purification techniques flow chart in the construction method of the city Venous Industrial garden system of the present invention;

Fig. 5 is used for potted plant educate for recycled water in the construction method of the city Venous Industrial garden system of the present invention and biological carbon soil The flow chart of tree;

Fig. 6 disassembles process flow diagram flow chart for old household electrical appliances in the construction method of the city Venous Industrial garden system of the present invention.

Embodiment

As shown in figures 1 to 6, a kind of construction method of city Venous Industrial garden system, comprises the following steps:

A), refuse classification

Domestic waste is sorted, the domestic waste includes biomass class rubbish and fossil class rubbish, the life Material class rubbish includes kitchen garbage, garden garbage, stalk, expired food, dead animal, sludge etc.;The fossil class rubbish Including plastic product, metal, glass, building concrete etc.;Building waste and old is sorted out from the domestic waste Household electrical appliances.

B), biomass separating treatment

To by step A) domestic waste after sorting overstocks lower complete by broken bag, in 80Ma-100Mpa high pressures After separating dry space from moist space, dry rubbish and wet refuse are formed.

C), municipal refuse energy conversion

C1), by step B) in wet refuse and sludge pass through anaerobic digestion formed biogas, nitrogenous filtrate and biological carbon soil; The biogas is formed into natural gas by methane purification technology, used for gas-fueled vehicles;The nitrogenous filtrate is passed through nitrogenous Digestive juice purification techniques forms recycled water and biological carbon soil;The recycled water and biological carbon soil educate tree for potted plant.

The anaerobic digestion comprises the following steps:

C111), sludge is entered behind sludge reception storehouse by carrying out pyrohydrolysis hot water used in system solution by conveying device.It is described Contain excrement in sludge, by high-temperature-hot-water solution, the mobility of sludge can be improved, while realize sanitary disinfecting, improve sludge Stability and dehydration property, improve the factor of created gase and capacity utilization of digestion, at the same reduce digestion sulfur content and The yield of scum silica frost.

C112), by step B) in formed wet refuse by conveying device enter wet refuse receive storehouse.

C113), the sludge after wet refuse and pyrohydrolysis is sent into after blending tank mixing in inflow heat exchanger by feed arrangement, Indirect heat exchange is carried out with recirculated water.

C114 the recirculated water after), exchanging heat is back to pyrohydrolysis system, as the hot water that thermal source is the sludge that sludge receives storehouse Solution provides heat, and the wet refuse and sludge fluid-mixing after heat exchange cooling enter anaerobic digestor, carry out anaerobic digestion reaction.

C115), biogas caused by anaerobic digestion reaction enters methane purification system progress methane purification;Anaerobic digestion is reacted The biogas slurry of formation is dehydrated into dewaterer, is carried out drying and other treatment by solar energy desiccation field to the sludge after dehydration, is formed biology Carbon soil;Filtrate is nitrogenous filtrate, and the nitrogenous filtrate enters nitrogenous digestion liquid purification system after entering dehydration filtrate pond.

The methane purification technology comprises the following steps:

C121), step B) in wet refuse and sludge by biogas caused by anaerobic digestion pass through transfer pipeline enter store up Gas holder.

C1221), the biogas of gas storage holder memory storage is pressurized to 1.5-2MPa by non-lubricated compressor, is preferably 1.7Mpa, use non-lubricated compressor, it is possible to reduce pollution of the lubricating oil to biogas.

C1222), the biogas after supercharging is buffered by conveyance conduit into surge tank, sets surge tank to ensure to tie up Hold biogas in subsequent process and maintain stable operating pressure.

C1223), the biogas in surge tank is completed by first filter, the second filter and the 3rd filter successively Filter three times, the first filter filtering accuracy is 3 microns, and the second filter filtering accuracy is 1 micron, the 3rd filter mistake It is 0.01 micron to filter precision, and maximum remaining oil content content is 0.01ppmw/w after filtering.

C1224 the biogas in surge tank), is passed sequentially through into desulfurizer, dehydration device, decarbonization device, nitrogen rejection facility, de- Desulfurization, dehydration, decarburization, denitrogenation, dehalogenation compound, denitrifying oxide formation day are completed after halide device, denitrifying oxide device Right gas;Wherein, desulfurization is in order to avoid etching apparatus and H2S is poisoned, if biogas combustion releases SO2, H can be compared2S causes bigger Harm, SO2Dew point can be reduced, production sulfurous acid is corrosive after being dissolved in water, it is preferred that using DDS desulfurization technologies;Dehydration is Because if having accumulated water can dissolve H in airway tube2S and corrosion pipeline;Decarburization mainly removes CO2, because CO2Reduce natural pond The energy density of gas, if biogas used needs to reach Natural gas standard or is used as motor vehicle fuel, then just must be right CO therein2It is removed;Preferably, dehydrohalogenation device removes halogenated hydrocarbon using the suction-operated of modified activated carbon, from And reach the purification purpose to pernicious gas.

C1225), natural gas enters natural gas storage facility, the natural gas compressor after compressor compresses are pressurized Driven using the low-pressure gas of large area piston and gases at high pressure are produced in small area piston, output pressure can pass through driving gas Press step-less adjustment;When driving gas to act on gas piston, working piston is achieved with larger output flow with gas drive is dynamic;Institute The phenomenon of biogas pressure deficiency can be improved by stating natural gas compressor, make combustion of natural gas more abundant, firepower is bigger;Compressor can Natural pressure is shortened into 1:200, special sled car can deliver 2000-5000m3 natural gases after compression.

C123), by the natural gas transportation in storage facility to aerating post or gas station, used for gas-fueled vehicles.

The nitrogenous digestive juice purification techniques comprises the following steps:

C131), step C1) in nitrogenous filtrate by conveying device into storage pool store.

C132), the nitrogenous filtrate of storage pool storage is entered after sub- digestion reactor carries out denitrogenation by conveying device and entered Anaerobic ammonia oxidation reactor carries out secondary denitrogenation.

C133), the filtrate after denitrogenation enters sedimentation basin progress sludge settling, forms sludge and clear liquid.

C134), the sludge of precipitation enters dehydration machine room, and the sludge after dehydration is by passing through solar energy desiccation field drying and other treatment Biological carbon soil is formed afterwards, and clear liquid after membrane filtration by forming recycled water.

The recycled water and biological carbon soil are used to potted plant educate tree and comprise the following steps:

C141), take the step C1 of 45-55 parts by weight) formed biological carbon soil and crush after cross 0.1-2mm sieve, obtain Biological carbon soil major ingredient.

C142), take 15-25 parts by weight float stone or the zeolite of 15-25 parts by weight and crushing after cross 0.1-1mm sieve;Take 0.1-0.5mm sieve is crossed after the bentonite of 25-40 parts by weight and crushing;By the float stone to pulverize and sieve or zeolite and pulverize and sieve Bentonite mixing is used as auxiliary material.

C143 20-30 parts by weight step C1 is added after), major ingredient is mixed with auxiliary material) recycled water that is formed stir to be formed it is mixed Compound.

C144), with comminutor by step C143) a diameter of 3-6mm particular biological carbon soil is made in the mixture that is formed Soil conditioner.

C145), by step C144) formed particular biological carbon soil soil conditioner add soil in improve soil property, and Impose recycled water shower to pour, progress is potted plant to educate tree.

C2), by step A) in the building waste, old household electrical appliances and the step B that sort out) in dry rubbish by crushing, disassembling, Sorting/separation, obtains the renewable sources of energy and regrown material, the renewable sources of energy are fired by garbage derivatived fuel technology of preparing Material, specifically comprises the following steps:

C151), by step A) in sort out big part metal, plastics, glass after the construction waste crushing that sorts out.

C152), by step C151) processing after remaining material carry out two-stage crushing, magnetic separation, the metal of smallclothes is selected.

C153), by step A) in the old household electrical appliances that sort out disassemble, isolate metal, plastic and glass.Specifically include as follows Step:

C161 classification), is disassembled:Waste household appliances are disassembled and classified;

C1621), crush:CRT glass breakings is in blocks;

C1622), it is calcined:By step C1621) obtained CRT glass fragments are in 500~600 DEG C of roasting temperature 1.5-2 Hour;Remaining CRT glass fragments are taken out cooling recovery;In roasting process, Hg gases caused by extraction and other gases; Under the temperature and time, Hg can be vaporized fully.

C1623), cool down:By step C1622) gas extracted out cooled down, obtains Hg liquid and collect, then extract out remaining Gas;

C1624), absorb:To step C1623) obtained gas KMnO4Further absorb;And the HgO to precipitating And Hg2(MnO2) solid reclaimed.Preferably, KMnO4Concentration be preferably 0.1N.

C163), to step C161) disassemble obtained printed circuit board (PCB), metallo-plastic body in classification and crush, sub-elect Iron, non-ferrous metal volume grain and plastics.

C1641), the concentrated sulfuric acid leaches:First step C163) obtained non-ferrous metal volume grain is immersed in H2SO4It is interior, it is preferred that H2SO4Concentration is 54%~66%, keeps reaction temperature at 70~80 DEG C, intermittent stirring 7-8 hours;

C1642 pH=2~3), are diluted with water to;Caused SO in extraction2Acid mist, with Ca (OH)2Solution is inhaled Receive, refilter to obtain filtrate and CaSO4Filter residue, reach zero-emission;

C1643), to step C1642) obtain filtrate and filter residue is handled, enter that line replacement carries Ag, electrolysis carries Cu successively and Alkali fusion carries Au, comprises the following steps that:

A), under normal temperature, in step C1633) add Cu powder, intermittent stirring fully reacts 7-8 hours;Refilter, obtain filtrate And filter residue, the filter residue is cleaned to silver.

B), the obtained filtrates of step a) are electrolysed;Use the CuSO that concentration of electrolyte is 200~250g/L4· 5H2O, electrolyte acidity are 50~70g/L H2SO4, electrode cathode is copper coin, is electrolysed at normal temperatures;In electrolytic process, alkali soluble is used Liquid absorbs the acid mist in recovery electrolytic process;Being reclaimed after electrolysis after whole cathode washing and drying.

C), the obtained filter residues of step a) are well mixed with KOH;Mixture is heated again and melted;Then it is cold to fused mass But add 9%~11% KOH solution to be impregnated afterwards, refilter obtained filter residue and filtrate, the filter residue is Au;

D), the obtained filtrates of step c) are diluted with water, to pH=9~10, now Pb (OH)2With Sn (OH)2Separate out, then It is filtrated to get filter residue and filtrate, heating filter residue Pb (OH)2With Sn (OH)2, produce PbO and SnO mixture, as scolding tin;

E), the filtrate that step d) is obtained is used for e);Again plus dilution filtrate H2SO4It is neutralized to pH=6~8;Then again by It is cooled to obtained solution no more than 0 DEG C, K2SO4Separate out;Then filtered to obtain filter residue and filtrate, the filter residue is K2SO4 That is potash fertilizer, filtrate are water, and water is used for step c).

C164), to step C163) in metal carry out acidleach processing;Immersion liquid is entered successively again line replacement carry Ag, electrolysis carry Cu and alkali fusion carry Au, obtain metal.

C154), by step B) in formed dry refuse breaking after sort out metal, glass, plastics and battery;Battery is sent Enter hazardous waste processing center processing, reclaim metal, form regrown material.

C155), by step C151)-step C154) separation and/or sort out metal, plastic and glass classification, recovery Utilize, form regrown material.

C156), by step C154) processing after remaining material pass through garbage derivatived fuel technology of preparing formed fuel.Tool Body comprises the following steps:

C171), by step C154) remaining crushing material after processing is to 15-25mm.

C172), by weight, using step C171) crush after material as standard weights, in step C171) crushing after Material in add 3%-5% quick lime and 2%-3%SiC, at 300-400 DEG C react 0.5-2 hours after, in 20MPa Pressure under it is compressing, dry after form garbage derivatived fuel.:It is described it is compressing after garbage derivatived fuel to be cylindric Solid, a diameter of φ 10-20mm, it is highly 20-80mm;Calorific value is 14600-21000kJ/kg.

C157), by step C152) and step C153) processing after remaining material mixing after sieve, filter out granularity and be less than Reutilization technology is solidified by building waste after 40mm fritter building waste and forms renewable building material.Specifically include following step Suddenly:By step C152) and step C153) processing after remaining material mixing after sieve, filter out granularity be less than 40mm fritter By the water of 40-45 parts by weight, the halogen piece of 20-25 parts by weight or halogen powder, the magnesia unslacked of 55-60 parts by weight, 0.2- after building waste After the fritter building waste of the regulator of 0.8 parts by weight and the granularity filtered out of 55-80 parts by weight less than 40mm stirs, Mould molding is poured into, renewable building material is made, the renewable building material can be made into non-burning brick, building block, making roadbed.

Preferably, the regulator is ferrous sulfate, copper sulphate, magnesium sulfate, potassium permanganate, Lauxite, ammonium chloride, salt One or more in acid, phosphoric acid, silicone emulsion.

C158), by step C157) remaining granularity is burnt not less than 40mm remaining material after sieving, for heat Produce Electricity Federation;Remaining solid waste is used for brickmaking.Specifically comprise the following steps:By step C157) sieving after remaining granularity be not less than 40mm remaining material for cogeneration of heat and power, is produced after burning in circulating fluid bed boiler processing in burning in circulating fluid bed boiler Raw clinker, for brickmaking;500-600 DEG C of boiler exhaust gas is cooled down rapidly by heat exchanger, heat is retained down and is used for The thermal source of brickmaking still kettle.

The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.

Claims (10)

1. a kind of construction method of city Venous Industrial garden system, it is characterised in that comprise the following steps:
A), refuse classification
Domestic waste is sorted, the domestic waste includes biomass class rubbish and fossil class rubbish, from the city Building waste and old household electrical appliances are sorted out in house refuse;
B), biomass separating treatment
To by step A) sorting after domestic waste after broken bag, separating dry space from moist space, form dry rubbish and wet refuse;
C), municipal refuse energy conversion
C1), by step B) in wet refuse and sludge pass through anaerobic digestion formed biogas, nitrogenous filtrate and biological carbon soil;By institute State biogas and natural gas is formed by methane purification technology, used for gas-fueled vehicles;The nitrogenous filtrate is passed through into nitrogenous digestion Liquid purification techniques forms recycled water and biological carbon soil;The recycled water and biological carbon soil educate tree for potted plant;
C2), by step A) in the building waste, old household electrical appliances and the step B that sort out) in dry rubbish by crushing, disassembling, point Choosing/separation, obtains the renewable sources of energy and regrown material, and the renewable sources of energy obtain fuel by garbage derivatived fuel technology of preparing.
2. the construction method of city Venous Industrial garden system according to claim 1, it is characterised in that:Step C) in detest Oxygen digestion comprises the following steps:
C111), sludge is entered behind sludge reception storehouse by carrying out pyrohydrolysis hot water used in system solution by conveying device;
C112), by step B) in formed wet refuse by conveying device enter wet refuse receive storehouse;
C113), the sludge after wet refuse and pyrohydrolysis is sent into after blending tank mixing in inflow heat exchanger, with following by feed arrangement Ring water carries out indirect heat exchange;
C114 the recirculated water after), exchanging heat is back to pyrohydrolysis system, is carried as the pyrohydrolysis that thermal source is the sludge that sludge receives storehouse Heating load, wet refuse and sludge fluid-mixing after heat exchange cooling enter anaerobic digestor, carry out anaerobic digestion reaction;
C115), biogas caused by anaerobic digestion reaction enters methane purification system progress methane purification;Anaerobic digestion reacts to be formed Biogas slurry into dewaterer be dehydrated, to after dehydration sludge carry out drying and other treatment, formed biological carbon soil;Filtrate is nitrogenous filtrate, The nitrogenous filtrate enters nitrogenous digestion liquid purification system after entering dehydration filtrate pond.
3. the construction method of city Venous Industrial garden system according to claim 1, it is characterised in that:Step C1) in Methane purification technology comprises the following steps:
C121), step B) in wet refuse and sludge gas storage holder is entered by transfer pipeline by biogas caused by anaerobic digestion;
C122), the biogas of gas storage holder memory storage passes sequentially through supercharging, buffering, filtering, desulfurization, dehydration, decarburization, denitrogenation, dehalogenation Natural gas is formed after thing, denitrifying oxide, enters natural gas storage facility after the natural gas boosting;
C123), by the natural gas transportation in storage facility to aerating post or gas station, used for gas-fueled vehicles.
4. the construction method of city Venous Industrial garden system according to claim 1, it is characterised in that:Step C1) in Nitrogenous digestive juice purification techniques comprises the following steps:
C131), step C1) in nitrogenous filtrate by conveying device into storage pool store;
C132), the nitrogenous filtrate of storage pool storage is entered after sub- digestion reactor carries out denitrogenation by conveying device and enters anaerobism Ammonia oxidation reactor carries out secondary denitrogenation;
C133), the filtrate after denitrogenation enters sedimentation basin progress sludge settling, forms sludge and clear liquid;
C134), the sludge of precipitation enters dehydration machine room, and the sludge after dehydration forms biological carbon soil, clear liquid after drying and other treatment By forming recycled water after membrane filtration.
5. the construction method of city Venous Industrial garden system according to claim 1, it is characterised in that:Step C1) in Recycled water and biological carbon soil are used to potted plant educate tree and comprise the following steps:
C141), take the step C1 of 45-55 parts by weight) formed biological carbon soil and crush after cross 0.1-2mm sieve, obtain biology Carbon soil major ingredient;
C142), take 15-25 parts by weight float stone or the zeolite of 15-25 parts by weight and crushing after cross 0.1-1mm sieve;Take 25-40 0.1-0.5mm sieve is crossed after the bentonite of parts by weight and crushing;By the float stone to pulverize and sieve or zeolite and the swelling to pulverize and sieve Soil mixing is used as auxiliary material;
C143 20-30 parts by weight step C1 is added after), major ingredient is mixed with auxiliary material) recycled water that is formed stirs to form mixture;
C144), with comminutor by step C143) a diameter of 3-6mm particular biological carbon soil soil is made in the mixture that is formed Modifying agent;
C145), by step C144) the particular biological carbon soil soil conditioner that is formed adds in soil and improves soil property, and impose Recycled water shower is poured, and progress is potted plant to educate tree.
6. the construction method of city Venous Industrial garden system according to claim 1, it is characterised in that:Step C2) in will Step A) in the old household electrical appliances of building waste and step B that sort out) in dry rubbish by crushing, disassembling, sorting/separation, obtain The renewable sources of energy and regrown material, the renewable sources of energy obtain fuel by garbage derivatived fuel technology of preparing, comprised the following steps:
C151), by step A) in sort out big part metal, plastics, glass after the construction waste crushing that sorts out;
C152), by step C151) processing after remaining material carry out two-stage crushing, magnetic separation, the metal of smallclothes is selected;
C153), by step A) in the old household electrical appliances that sort out disassemble, isolate metal, plastic and glass;
C154), by step B) in formed dry refuse breaking after sort out metal, glass, plastics and battery;
C155), by step C151)-step C154) separation and/or sort out metal, plastic and glass classification, recycle, Form regrown material;
C156), by step C154) processing after remaining material pass through garbage derivatived fuel technology of preparing formed fuel;
C157), by step C152) and step C153) processing after remaining material mixing after sieve, filter out granularity and be less than 40mm Fritter building waste after pass through building waste solidify reutilization technology formed renewable building material;
C158), by step C157) remaining granularity is burnt not less than 40mm remaining material after sieving, join for thermoelectricity Production;Remaining solid waste is used for brickmaking.
7. the construction method of city Venous Industrial garden system according to claim 6, it is characterised in that:By step C154) In battery be sent into hazardous waste processing center processing, reclaim metal, formed regrown material.
8. the construction method of city Venous Industrial garden system according to claim 6, it is characterised in that:Step C153) in, By step A) in the old household electrical appliances that sort out disassemble, isolate metal, plastic and glass comprises the following steps:
C161 classification), is disassembled:Waste household appliances are disassembled and classified;
C162), to step C161) disassemble obtained CRT glass in classification and crushed, be calcined, reclaim and produced in roasting process Mercurous class solid and glass;
C163), to step C161) printed circuit board (PCB) obtained in classification, the separation of metallo-plastic body are disassembled, isolate plastics and gold Category;
C164), to step C163) in metal carry out acidleach processing;Immersion liquid is entered successively again line replacement carry Ag, electrolysis carry Cu and Alkali fusion carries Au, obtains metal.
9. the construction method of city Venous Industrial garden system according to claim 6, it is characterised in that:Step C156) in, By step C154) processing after remaining material by garbage derivatived fuel technology of preparing formed fuel, comprise the following steps:
C171), by step C154) remaining crushing material after processing is to 15-25mm;
C172), by weight, using step C171) crush after material as standard weights, in step C171) crushing after thing 3%-5% quick lime and 2%-3%SiC is added in material, after reacting 0.5-2 hours at 300-400 DEG C, in 20MPa pressure It is compressing under power, form garbage derivatived fuel after drying.
10. the construction method of city Venous Industrial garden system according to claim 6, it is characterised in that:Step C158) In, by step C157) remaining granularity is burnt not less than 40mm remaining material after sieving, for cogeneration of heat and power;It is remaining Solid waste is used for brickmaking, comprises the following steps:By step C157) remaining granularity is being followed not less than 40mm remaining material after sieving Circulation fluidized bed boiler burns, for cogeneration of heat and power, the caused clinker after burning in circulating fluid bed boiler processing, for brickmaking; 500-600 DEG C of boiler exhaust gas is cooled down rapidly by heat exchanger, heat is retained down the thermal source for brickmaking still kettle.
CN201611209325.6A 2016-12-23 2016-12-23 A kind of construction method of city Venous Industrial garden system CN106734092B (en)

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CN107902843B (en) * 2017-11-29 2019-02-19 杨雨洁 The integrated gardens system of municipal wastewater trans-utilization
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CN106111671A (en) * 2016-07-11 2016-11-16 启迪桑德环境资源股份有限公司 House refuse and changing food waste cooperative processing method
CN106180119A (en) * 2016-06-30 2016-12-07 启迪桑德环境资源股份有限公司 The method and system of fortune terminal classification are received in the mixing of one way of life rubbish

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