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6137 results about "Domestic waste" patented technology
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"Domestic waste" means any nonputrescible waste, consisting of combustible materials, such as paper, cardboard, yard clippings, wood, or similar materials, generated in a dwelling, including the real property upon which it is situated, containing four living units or less. Stay Connected.
Multiple row sectional drive combined type domestic garbage incinerator
The invention relates to multi-column sectional drive combined type domestic incinerator. It is set three fire-grates that drying section, burning section, and firing section. The middle fire grate is connected between them. There is altitude fall between them that the drying section is the highest point; the firing one is the lowest point. The primary air chamber is respectively set under them. The incinerator fire grate system of the invention has independent drive mechanism, air supply system, and air chamber for each section which is convenient for controlling technical parameter that traveling speed, air quantity, air temperature, air pressure etc to realize full drying and burning for whole garbage layer.
Owner:CHONGQING SANFENG ENVIRONMENTAL IND GRP
Method using solar energy, microwaves and plasmas to produce a liquid fuel and hydrogen from biomass or fossil coal
ActiveUS20100258429A1Promote gasificationImproving thermal inertiaElectrical coke oven heatingSolar heating energySludgeFractionating column
A system uses thermal solar energy coupled with microwaves and plasma for producing carbon monoxide (CO) and dihydrogen (H2) from carbonated compounds (biomass, domestic waste, sludge from waste water, fossil coal), wherein the obtained gaseous mixture yields, amongst others, hydrocarbon fuels (olefins, paraffin), esters, and alcohols via a Fischer-Tropsch synthesis. In a first step the carbonated compounds are roasted and pyrolized to produce char and dry coal, and a mixture of superheated gases containing CO2, steam, tars and non-condensable volatile materials. The method includes in a second step, and from the pyrolyis products (char or coal, gas mixture), generating a syngas substantially containing a mixture of carbon monoxide and dihydrogen, the mixture being used in Fischer-Tropsch synthesis units. After the Fischer-Tropsch step, the synthesis products are separated in a distillation column after heating in solar furnaces of mixed furnaces (solar / microwave).
Owner:UGOLIN NICOLAS
Combined anaerobic fermentation process for organic solid wastes
InactiveCN101337838AReduce consumptionImprove mass transfer efficiencyBio-organic fraction processingClimate change adaptationSludgeAnimal feces
The invention discloses a combined anaerobic fermentation method of organic solid wastes. The organic solid wastes used for the combined anaerobic fermentation include domestic wastes, excess sludge, feces, kitchen waste, straws, etc. The method comprises the following steps: carrying out different pre-processing processes to obtain organic materials with a granularity less than 5 mm; passing through a cutting pump, adjusting the C / N ratio, adjusting the water content, etc. to obtain a homogeneous fermentation substrate with a solid holdup of 2 to 10%; hydrolyzing and acidifying the fermentation substrate in the presence of a hydrolase; fermenting for a period of 15 to 25 days under the condition of stirring at a middle temperature of 32-38 DEG C to obtain biogas, which can be used for energy supply or output of a system; aging and desalting the biogas liquid to obtain a liquid humic acid fertilizer; and processing the biogas residues to a granular humic acid fertilizer. The fermentation substrate has proper C / N ratio to obviate feedback suppression of the substrate during the fermentation of a single material and simultaneously can enhance the hydrolysis effects of celluloses, lignin, hemicelluloses, etc. The method has the advantages of easy flow pattern control, low energy consumption, and no generation of sewages, and can obtain the high-quality biogas fluid and the high-quality granular humic acid fertilizer.
Owner:鄂尔多斯市城市矿产研究开发有限责任公司
Automatic sorting system for household refuse
Disclosed is an automatic sorting system for household refuse. The system comprises a refuse target identification unit, a refuse sorting control unit, a mechanical arm and a sampling camera which is mounted at the fixed position of a conveying belt for conveying household refuse; the sampling camera shoots the household refuse on the conveying belt in real time and transmits obtained optical images to the refuse target identification unit; the refuse target identification unit receives the optical images in real time and displays the images, according to the characteristics of presorted target refuse, the optical images are treated, targets in the images are identified, and target posture information frames are obtained, and are input into the refuse sorting control unit; and the refuse sorting control unit judges whether a target enters the working section of the leisure mechanical arm or not according to the input target posture information frames and the opposite position of the mechanical arm and the conveying belt, the posture information of the target entering the working section of the mechanical arm is converted into a mechanical arm coordinate system and sent to the corresponding mechanical arm, and the corresponding mechanical arm is controlled to grab the corresponding target.
Owner:BEIJING XINCHANGZHENG TIANGAO INTELLIGENT MACHINE TECH CO LTD
Organic/inorganic drought resisting compound fertilizer and preparation method thereof
InactiveCN102503723AImprove problems such as hardeningIncrease heatFertilizer mixturesSoil sciencePeat
The invention provides an organic / inorganic drought resisting compound fertilizer and a preparation method thereof. The preparation method comprises the following special steps of: at first, carrying out harmless treatment on raw materials of an organic fertilizer, such as livestock excrement, crop straws, kitchen garbage, fallen leaves, turf and peat, humic acid and the like, so as to obtain the organic fertilizer; then adding a macromolecule moisture retention material and an inorganic fertilizer at a certain ratio and uniformly stirring; and finally obtaining the organic / inorganic drought resisting compound fertilizer by extruding granulation. The organic / inorganic drought resisting compound fertilizer disclosed by the invention has functions of drought resistance and moisture retention, nutrient slow release and soil fertilization, so that the effects of increasing production and income of the crops are achieved. Furthermore, the organic / inorganic drought resisting compound fertilizer can effectively solve the environment pollution caused by the livestock excrement, straw burning and domestic garbage.
Owner:ANHUI AGRICULTURAL UNIVERSITY
Method for sequentially processing consumer waste
ActiveCN101352721AHarmless treatmentIncrease throughputSludge treatment by de-watering/drying/thickeningSolid waste disposalLitterMature technology
The invention discloses a method for continuously treating domestic garbage, more specifically belongs to a method for continuously treating domestic garbage according to the process flows of pretreatment, crushing, dehydration, drying, cracking, incineration, etc. Dioxin C2H4O2 is not produced in the garbage treatment process; and the method can realize various requirements of massive and continuous treatment, reclamation (the energy in the garbage is stored in a manner of collecting hydrocarbon oil), energy saving, environmental protection, high efficiency, and the like, in domestic garbage treatment. The devices adopted in the method belong to standardized commodities for industrial use, and have the advantages of reliable operation, mature technology, simple structure and low investment. The method of the invention belongs to the continuous garbage treatment process, can completely and thoroughly implement reduction, harmless treatment and reclamation of mountains of domestic garbage, and is characterized by good novelty, creativity and industrial applicability.
Owner:北京康乔世纪环境科技有限公司 +1
Comprehensive treating system for domestic wastes
InactiveCN102527701AIncrease productionImprove qualityBio-organic fraction processingWaste processingSludgeOrganic manure
The invention discloses a comprehensive treating system for domestic wastes. Reutilizing comprehensive treatment for mixed wastes is realized by the system according to a comprehensive sorting technology and a combined anaerobic fermentation technology, wherein the advanced sorting techniques, such as, crushing, magnetic separating, sieving, air classifying, and the like, are adopted in the comprehensive sorting technology; reutilized products, such as metal, plastics, organic matters, and the like, are screened out; the screened organic matters are prepared into slurry together with sludge and excrements and are then subjected to the combined anaerobic fermentation; the reutilized products, such as methane, organic fertilizer, and the like, can be produced under the action of anaerobic fermentation; and after the methane is purified, the methane is used for generating power, domestic fuel or vehicle-mounted fuel. According to the technology, the intensified treatment for organic wastes, such as domestic wastes, sludge, excrements, kitchen wastes, and the like, can be realized. The comprehensive treating system is high in mechanical and automated degree. Compared with the prior art, the comprehensive treating system has the advantages of simplification, effectiveness, less labor power, and the like.
Owner:BEIJING HAOHAI TIANJI TECH +1
House refuse treatment method
InactiveCN101274331ANo spillageNo generationBio-organic fraction processingSolid waste disposalBrickSewage
The invention provides a household garbage processing method, comprising the following processing steps which are technique process of sorting, high-temperature and high-pressure hydrolysis and hydrothermal oxidation of organic substances, composting with organic substances, fuel brick production with non-recoverable and combustible substances, building material production with inorganic substances, plastic grain production, recyclable substances recycling, waste gas processing, sewage water processing and thermal power supply, etc. The household garbage processing method of the invention hasthe advantages of occupying little land area and having short processing time, pollution avoidance, low running cost, effective processing of noxious gas, high product quality, high-efficiency and environmental protection, and can be widely used for the processing of household garbage in various regions.
Owner:ENVIRONMENTAL PROTECTION EQUIP SHANGHAI JI MING
Domestic garbage transformation technique, system and apparatus without conventional fuel for combustion supporting
InactiveCN101468789AReduce pollutant contentLow investment costBio-organic fraction processingSolid waste disposalBrickClean energy
The invention provides a process, a system and equipment for converting household garbage without support combustion of the prior fuels, which relates to a process and equipment for processing garbage. The process is characterized in that the household garbage is sent into a gasification furnace or an incinerator after separating, dehydrating by rolling compaction and air-drying treatment; garbage fuel is converted in the furnace by a mode of gasification or incineration, and is subjected to baking, pyrogenation, gasification and carbon residue burn-out in the furnace; the converted synthesis gas is used for cleaning energy; waste heat of incineration is absorbed by heat-exchange equipment for reclamation; garbage rolling liquid is sent into a digesting machine for anaerobic fermentation so as to produce biogas, the biogas is used as auxiliary fuel of the incinerator, and the digested residue and residual liquid are used for fertilizing crops; and inorganic substances separated from the garbage are used as raw materials to manufacture bricks, and clinker discharged from the incinerator or the gasification furnace is used for producing cement or fertilizer. The process, the system and the equipment comprehensively utilize the garbage so as to achieve complete dissolving treatment, and the equipment has a simple structure and low investment cost, and is easy to popularize..
Owner:周开根
Advanced treatment system and method for high-concentration percolate in comprehensive garbage disposal plant
InactiveCN102503046AEasy to handleRequirements to meet emission concentration limitsMultistage water/sewage treatmentActivated carbon filtrationReverse osmosis
The invention discloses an advanced treatment system and method for high-concentration percolate in a comprehensive garbage disposal plant, belonging to the field of industrial waste water treatment. The system is formed by connecting a regulating tank, a coagulative precipitation tank, an upflow anaerobic sludge bed reaction tank, a primary anoxic and aerobic membrane bioreactor, advanced oxidation treatment equipment, a secondary anoxic and aerobic membrane bioreactor, nanofiltration membrane treatment equipment, an ozone contact tank and an active carbon filtering tower in sequence. According to the system, garbage percolate can be treated comprehensively, different pollutants in garbage percolate are treated in a classified way by combining physical, chemical and biological treatment,advanced treatment of garbage percolate is realized, and classified treatment for removing pollutants such as organic matters, heavy metals, ammonia, nitrogen and the like is performed, so that treated effluent strictly reaches the requirement of water pollution discharge degree limit in the Household Garbage Landfill Pollution Control Standard, the system runs stably for a long time, and treatment cost is lower than that of a secondary disc pipe reverse osmosis membrane process.
Owner:BEIJING YIPU INT WATER AFFAIRS
Composite microbial inoculum organic multielement compound fertilizer and production method thereof
ActiveCN102690151AImprove physicsGood biological propertiesFertilizer mixturesThiobacillus ferrooxidansBran
The invention discloses a composite microbial inoculum organic multielement compound fertilizer which is prepared from microbial inoculum, organic component and inorganic fertilizer. The microbial inoculum is a composite microbial inoculum which comprises the following three types of microbial inocula: resource type microbial inoculum, which contains Bacillus megaterium, thiobacillus thiooxidans, Bacillus mucilaginosus and Bacillus circulans; environment-friendly microbial inoculum, which contains Arthrobacter and Alcaligenes; and antibiotic microbial inoculum, which contains Streptomycs micuoflavus and Streptomyces jingyangensis. The organic component is one or more of cereal crop straw, subsidiary agricultural product dreg, sugar mill bagasse, bran coat, municipal and rural domestic waste, and livestock and poultry dung. The inorganic fertilizer is one or more of nitrogen fertilizer, phosphate fertilizer, potash fertilizer and medium / micro-nutrient element fertilizer. The weight proportion of microbial inoculum to organic constituent to inorganic fertilizer is (5-25):(18-28):(47-77).
Owner:赵大伟
Municipal domestic waste resource recovery processing method with zero pollution, zero release and harmlessness
ActiveCN102327888ANo spillageNo pollution in the processSolid waste disposalResource utilizationSmall footprint
Owner:严大春
Refuse incineration fly ash solidification/stabilization treatment method
The invention discloses a refuse incineration fly ash solidification / stabilization treatment method comprising the following steps of: firstly, sufficiently mixing a heavy metal stabilizer and water into a solution; mixing the solution, refuse incineration fly ashes and a little amount of cement, stirring and curing so that fly ashes has double-effect stabilization and certain intensity at the same time; finally, landfilling the fly ashes in a domestic refuse landfill site. The refuse incineration fly ash solidification / stabilization treatment method realizes fly ash decontamination and achieves the purpose of slightly increasing volume at the same time, thereby increasing the overall efficiency and the economical efficiency of a fly ash treating and disposing system and solving the problem of large increasing volume after the traditional cement solidification treatment.
Owner:天津渤海环保工程有限公司
Life refuse treating process
InactiveCN1583299AAvoid secondary pollutionReduce labor intensitySolid waste disposalEnvironmental engineeringDomestic waste
A process for treating life garbage includes such steps as breaking, sorting them by wind separation and magnetic separating to obtain inorganic substance, organic garbage and waste plastics, using inorganic substance to prepare building material, treating the waste plastics by the plastics-treating system, hydrolyzing and dewatering the organic garbage and then spray drying, and further sorting to obtain inorganic substance used to prepare building material, organic substance used to prepare fertilizer and waste plastics treated by said plastic treating system.
Owner:LUZHOU ENVIRONMENTAL PROTECTION SCI & TECH XINCHANG COUNTY
Method and installation for conversion into fuel of organic material originating for instance from domestic waste
InactiveUS20060123697A1Solution value is not highReduce outputBiofuelsSolid fuelsEnvironmental engineeringEngineering
A method is provided for converting organic material from domestic refuse into fuel for use in a pulverized coal power plant, comprising of mixing the organic material with at least one flammable material while adding binder, and pressing the mixture to form hard, relatively brittle agglomerates. Further provided is an installation for converting organic material from domestic refuse into fuel, comprising a device for mixing the organic material with at least one flammable material while adding binder, and device for pressing the mixture to form hard, relatively brittle agglomerates.
Owner:NEDCOAL PATENT IO
Cull eliminator of home scrap
The domestic garbage separator includes a feeder, a magnetically separating conveyer with discharge port and discharge duct, a garbage winnowing device with powder discharge port and glass and pebble discharge port, a garbage beater, a cylindrical sieve, an oversize winnowing device with several discharge ports, an undersize winnowing device with several discharge ports, and a frame. The present invention has clear domestic garbage classification, high recovering rate, environment friendship and other advantages, and can reduce amount of domestic garbage, make best utilization of domestic garbage resource and treat domestic garbage harmlessly.
Owner:攀枝花市再丰环保设备有限公司
Method for treating solid organic wastes by biological method
InactiveCN101709006AAchieve recyclingAchieve reductionBio-organic fraction processingAnimal corpse fertilisersEcological environmentFermentation
The invention relates to a process for treating solid organic waste resources (food residues, domestic garbage, vegetable market garbage, wastes and leftovers of slaughter houses and food products factories, beer lees, distilled spirit lees, stevia rebaudiana residues, Chinese medicinal herbal dregs and the like), which comprises the following steps of: removing impurities (plastic bags, bottle caps, napkins, metals and the like) from solid organic wastes; adding mixed bacteria, an enzyme preparation and auxiliary materials into the organic wastes; stirring the mixture and controlling the temperature by hot blast; performing fermentation treatment on the mixture by adopting a staged temperature raising method; and drying and crushing the mixture to obtain an organic fertilizer. The invention finds a process capable of effectively treating the solid organic wastes, which can convert the solid organic wastes into the organic fertilizer by using microorganisms to change the organic wastes into valuable and realize the recycling use and the quantity reduction of waste resources; besides, the used microorganisms are harmless to human and the ecological environment.
Owner:TIANJIN UNIV OF SCI & TECH
Method for resource recovery and classification utilization of urban domestic waste
ActiveCN102247969AHigh thermal efficiencyEasy to wash and separateSolid waste disposalFurniture waste recoveryEngineeringFuel oil
The invention discloses a method for resource recovery and classification utilization of urban domestic wastes, which at least comprises the following steps of: a magnetic separation step, a waste cutting step, a elutriation flotation step, a waste extrusion dehydration step, an anaerobic treatment step and a sludge deposition concentration step; scrap iron is separated by the magnetic separationstep for the recovery and utilization of the scrap iron; anaerobic organic matter is crushed by the waste cutting step; pasty organic matter and block non-anaerobic wastes are thoroughly separated bythe elutriation flotation step so as to allow the pasty anaerobic organic matter to enter a biogas generation pool or tank for an anaerobic reaction and to allow the clean non-anaerobic wastes to be extruded, dehydrated and dried for individual treatment, and the waste decrement is above 90%; after elutriation, the left 10% non-anaerobic wastes are prepared into fuel oil by a cracking reaction; or are recycled through screening with no screening difficulty being caused by dust and organic matter containing in the wastes; or are delivered into a gasifier for fuel gas production, which preventsthe energy consumption of water-containing organic matter during waste incineration treatment, and greatly increases the thermal efficiency of waste treatment.
Owner:刘振亮
Combined treatment method for oilfield solid waste
InactiveCN101963358AHigh recovery rateLess investmentIncinerator apparatusCombustion chamberOil sludge
The invention provides a new combined treatment process for oilfield solid waste (oil sludge, industrial solid waste and household garbage). In the process, liquid-solid separation is performed on the oil sludge of an oilfield by adopting a conditioning-centrifugal separation process; the separated liquid enters oil-water separation equipment constructed on the oilfield for recovering crude oil; the oil recovery rate is up to 65 to 90 percent; after drying separated solid residue, the separated solid residue and pre-crushed industrial solid waste and household garbage are mixed and enter a countercurrent-type rotary gasification incinerator; combustible components in the oilfield solid waste are decomposed and gasified into combustible gases which are combusted partially in the incinerator; the combustible gases are combusted completely in a secondary combustion chamber; high-temperature smoke gas afterheat is recovered by a conduction oil afterheat boiler and air preheating equipment; and low-temperature smoke gas of which the afterheat is recovered is harmlessly exhausted after being treated by a sharp-quenching deacidification tower, an activated carbon adsorption tower and a bag-type dust remover. The process realizes the purposes of decrement, harmlessness and resources of oilfield solid waste treatment.
Owner:KUNMING UNIV OF SCI & TECH
Double-loop double-pyrogenation incinerator for garbage harmless treatment and its usage method
InactiveCN101101120APrevent external consumptionPlay the role of thermal insulationIncinerator apparatusRefluxCombustion chamber
The invention relates to double loop double pyrolysis incinerator and its using method. Its features are that drying apparatus is formed by horizontal rotary kiln drying device, steam separator, and fume reflux line; the feed port of the horizontal rotary kiln is connected with discharge port of the feeding device; its discharge port is connected with the feed port above secondary burning chamber. While running, part of high temperature fume of secondary burning chamber can enter the rotary kiln to process reverse drying preheat and pyrolysis for the garbage; cooled fume is inducted into the secondary burning chamber by secondary fan after dehydrating by steam separator. Compared with exiting technique, the invention has the advantages of continual heat transfer, fast gasification rate, full burning, processing domestic garbage without auxiliary fuel etc.
Owner:福建省丰泉环保控股有限公司
System and method for comprehensively recycling for household refuse pyrolysis
ActiveCN104178226AStable combustionSolve difficult problems that are not well utilizedSolid waste disposalSpecial form destructive distillationCombustorFixed bed
The invention provides a system and a method for comprehensively recycling for household refuse pyrolysis. The system comprises a pretreatment device, a heat accumulating type revolving bed pyrolysis furnace, an oil-gas separating and purifying device, a fixed bed gasifying device, a pyrolysis gas storage device and a combustible gas recycling device. The method comprises the following steps: after carrying out pretreatment such as sorting, crushing, drying and forming on household refuse raw materials, carrying out pyrolysis in the heat accumulating type revolving bed pyrolysis furnace to obtain a high-temperature oil gas and pyrolysis carbon; and gasifying the pyrolysis carbon to produce a gasified combustible gas which is used as a fuel of a heat-accumulating type fuel gas radiant tube combustor. According to the system and the method, the operation cost is low, the economic benefits are good, the produced gasified combustible gas with a low heating value is ventilated into the heat-accumulating type fuel gas radiant tube combustor to combust, so that the problems that the gasified pyrolysis refuse carbon is poor in economic benefits and the recycling for household refuse pyrolysis is difficult to industrially popularize are solved.
Owner:BEIJING SHENYUAN ENVIRONMENTAL PROTECTION CO LTD
Appliance for converting household waste into energy
ActiveUS20070099039A1Reduce the total massEliminating garbage requiring landfillsFuel cell heat exchangeSolid waste disposalSteam reformingNuclear engineering
A method and reactor system is configured as an appliance for the destruction of residential and building waste to form hydrogen-rich syngas. This syngas is used to power a fuel cell for the generation of electric power, steam and heat or cooling for use in residences and buildings as well as hydrogen fuel for vehicles. The waste conversion rector that carries out the endothermic reactions of steam reforming is heated with the waste heat and electrical power. Alternatively, this reactor can be heated by a natural gas burner. This reactor is designed as a rotary drum, into which are placed bags of waste that can consist of normal garbage as well as toilet solid waste. Glass and metal are not melted in this drum and are recovered as completely sterilized at the end of the process cycle.
Owner:RAVEN SR INC
Method for repairing urban house refuse compost heavy-metal composite pollution by synergistic lawn plant
InactiveCN1709834AImprove enrichment capacityPlay a repairing roleClimate change adaptationOrganic fertilisersHeavy metal compoundLitter
The invention relates to the method of a kind of using synergizing lawn plant to restore the heavy metal compound pollution in city life waste compost. In the period from seeding to mowing of grasses on lawn, fertilize EDTA into the waste compost base substance as per 5 - 30 mmol / kg; through fertilize EDTA, increase the extracting effect of lawn grasses to heavy metal in city life waste compost base substance, to make the effect of lawn glasses corresponding to the effect of heavy metal super-enriching plant. The application of the invention can not only rebuild waste compost industry, and realize the effective resource use of waste compost, but also provide scientific basis for complexing restoration of lawn grasses to heavy metal pollution area.
Owner:TIANJIN NORMAL UNIVERSITY
Method for comprehensively treating and utilizing household garbage incineration slag
The invention discloses a method for comprehensively treating and utilizing household garbage incineration slag.. The method comprises the following steps: A. screening and primary crushing of slag; B. primary magnetic separation; C. secondary crushing: the slag subjected to the primary magnetic separation is conveyed into a flushing water continuous injection type sanding machine through a conveying belt, the slag is crushed in the sanding machine, and the crushed slag granules flow out of the sanding machine together with the flushing water; D. secondary magnetic separation: the mixture of the slag and the flushing water flowing out of the outlet of the sanding machine flows by a drum magnetic iron remover, and magnetic metals contained in the slag are picked out by secondary magnetic separation; E. buoyancy gravity concentration on other metals; and F. precipitation of non-metallic tailings. Since other metals are picked up by secondary magnetic separation and buoyancy gravity concentration, the metal content in the slag is effectively decreased, the quality of bricks or cement is guaranteed when the treated slag is used to make bricks or cement; and since the flushing water is continuously injected into the sanding machine, most of disgusting odor can be removed and dust is eliminated, and the water circulation manner is adopted, the advantages of saving energy and protecting the environment are achieved.
Owner:山东环兴再生资源科技有限公司
Method for comprehensively treating municipal solid waste
The invention relates to a method for comprehensively treating municipal solid waste. The method comprises mechanical treatment steps of manual sorting, bag breaking, magnetic separation, screening with a roller, winnowing and pulpifying and biological treatment steps of anaerobic digestion and aerobic composting. By combining all the steps for use, different components in the municipal solid waste are classified according to physicochemical properties of the components and then are treated; magnetic metal, plastic paper and the like which are obtained through sorting are recycled; organic waste obtained through sorting is crushed and pulpified and then is subjected to anaerobic digestion so as to produce methane; sludge is subjected to aerobic composting so as to produce organic fertilizer; the residual inorganic substances which cannot be treated or recycled can be subjected to sanitary landfill; and odor which is produced in the waste treatment process is treated in a centralized way, and then is discharged after reaching the standard. The method has great significance for treating the increasing municipal solid waste.
Owner:北京昊业怡生科技有限公司
Technology for full classification recycling treatment on household waste
InactiveCN102728601ASolve problems in the treatment processRealize recycling of resourcesBio-organic fraction processingSolid waste disposalRefuse-derived fuelPlastic packaging
The invention discloses a technology for full classification recycling treatment on household waste and relates to the field of recycling integrated utilization of household waste. A main process route of the technology comprises that household waste is homogenized by a homogenizer, is subjected to large object sorting (wherein large objects comprise large combustibles and inorganic matters), is treated by a bag breaking device (for scratching a plastic packaging bag), is treated by a magnetic separator (for separating out magnetic materials), is treated by an eddy sorting machine (for separating out nonferrous metals), is subjected to artificial sorting, then is broken, is fed into a hydrothermal degradation tank, is treated by a light material separator (for separating out papers and plastics), and then is crushed; then mixed organic matters and percolate are mixed and then are subjected to methane fermentation so that methane is produced; and methane residues and a methane liquid are prepared into an organic fertilizer and inorganic matters are prepared into a building material and the combustibles are prepared into a refuse derived fuel (RDF). The technology really realizes reduction, harmlessness and recycling of waste.
Owner:张希曾 +1
Building brick produced by using fly ash or residues obtained after burning domestic wastes, and production method thereof
The invention relates to a building brick produced by using fly ash or residues obtained after burning domestic wastes, and a production method thereof, and belongs to the field of building materials. The building brick comprises, by weight, 45-50 parts of aggregates, 10-15 parts of a cementing material, 0-10 parts of an alkaline exciting agent and 30-35 parts of silica sand (with the SiO2 content being not smaller than 65%), wherein the aggregates are at least one of fly ash and residues obtained after burning domestic wastes; the cementing material comprises at least three of quicklime, quartz sand, coal ash, slag and waste bricks; and the alkaline exciting agent comprises at least two of cement, water glass, water quenching slag and soda ash. The building brick produced in the invention has excellent performances, and fully and highly utilizes fly ash and residues obtained after burning the domestic wastes, coal ash, slag and other industrial waste residues, the above produced product has the advantages of only need of high pressure saturated steam maintenance, energy saving, and cost reduction, and the pollutant toxicity leaching concentration of the solidified and stabilized product is low.
Owner:SICHUAN FANGDA NEW BUILDING MATERIAL DEV CO LTD
Garbage disposer
A garbage disposer (1), in one embodiment, is composed of a crushing means (4) which crushes garbage supplied through a plughole (Sa) and connection member (3) of a sink (S), a transverse conveyance means (5) which transversely conveys the garbage crushed by the crushing means (4), a dewatering means(6) which internally introduces the crushed garbage conveyed via the transverse conveyance means (5) and dewaters the crushed garbage while conveyed upward, a drying means (7) which internally supplies via a shute (9) the crushed garbage discharged via the dewatering means(6) and dries the crushedgarbage while rotated, and a garbage container (B) which is drawably disposed under the drying means (7). The crushed garbage dried to be reduced in volume by the drying means (7) is dropped therefrom down into the garbage container.
Owner:新矢 浩一
Method for recycling metal and combustibles from domestic waste incineration slag
The invention relates to a method for recycling metal and combustibles from domestic waste incineration slag, and belongs to the field of the solid waste harmless and recycling technology. By means of multi-stage gradient magnetic separation, separation of magnetic metal in the slag is achieved. By means of two-stage eddy current, nonferrous metal in the slag is separated and recycled. According to the grain size distribution and chemical morphological characteristics of the metal in the slag, the metal is crushed and screened in multiple steps so that separated slag particles can be uniform, the recycling rate of magnetic separation and eddy current separation is effectively increased, and finally, according to the density difference of materials, air separation is used for recycling the combustibles in the slag. Finally, the magnetic separation recycling rate of iron in the technological process is 60-80%, the recycling rate of the nonferrous metal aluminum is 60-70%, the recycling rate of the nonferrous metal copper is 40-50%, and separation of the metal in the slag and slag particles can be effectively achieved. The separated metal products can be directly sold or sold after refining, the combustibles can serve as waste incinerator fuel, and the remaining slag can be used as building materials.
Owner:TONGJI UNIV
Energy sources regeneration of urban domestic garbage and non-waste comprehensive utilization processing technique
InactiveCN101433904AEffective generationAchieve conversionWaste processingSolid waste disposalFiltrationFuel oil
The invention relates to a manufacturing technique for energy regeneration and non-waste comprehensive utilization of municipal domestic waste, which is characterized by comprising the steps of waste classification, pretreatment and treatment of nonmetallic inorganic substances, schizolysis, filtration and reforming of organic substances, synthesis of fuel oil and treatment of organic substance byproducts. The manufacturing technique completely treats waste, has no secondary pollution during the whole treatment, and really realizes complete conversion and utilization of the waste. When the technology is used for treating organic substance waste and so on, including organic substance parts of the municipal domestic waste and various animal and plant waste, not only the environmental problem caused by the municipal domestic waste and the waste problem of the waste can be solved but also energy and slow release fertilizer which returns to earth can be efficiently generated, so that green circulation of renewable energy resources is realized. The applied proposal has reasonable energy consumption in the whole process, has no pollution, has controllable products, high output value and stable and reliable sources of raw materials, and realizes sustainable development.
Owner:深圳开普蓝生能源环保有限公司
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