721 results about "Organic solid waste" patented technology

The invention relates to a system for producing methane through biogas reflux coupling microbial electrolysis cell (MEC) enhanced anaerobic digestion and application. A reactor system comprises an MEC anaerobic digestion system and a biogas reflux system. The MEC anaerobic digestion system is provided with a biological anode plate and a biological cathode plate, electroactive microorganisms attached to the biological anode plate convert organic matters into carbon dioxide and generate electrons, and electroactive microorganisms attached to the biological cathode plate convert carbon dioxide into methane; a secondary biogas separation tank is adopted for biogas separation in the biogas backflow system, carbon dioxide in the biogas is more effectively separated out, and the carbon dioxide intermittently flows back to a biological cathode plate of the MEC anaerobic digestion system after being collected. Compared with the prior art, the anaerobic digestion treatment of the organic solid waste is realized, and the in-situ upgrading of the biogas is also realized; and the separated carbon dioxide reflux can be efficiently methanated, so that the emission of the carbon dioxide is reduced, the in-situ treatment of the carbon dioxide is realized, the intermediate links are reduced, and the cost is reduced.

The invention belongs to the field of microbial electrochemistry and solid organic waste recycling, and discloses a microbial electrosynthesis enhanced solid wastewater hydrolysis and anaerobic digestion biogas high-value utilization system coupling microbial electrosynthesis, organic solid waste electrochemical-biological synergistic hydrolysis oxidation and anaerobic digestion. The system comprises a cathode chamber and an anode chamber which are separated by an ion exchange membrane, an electrochemical driving device and an anaerobic digestion unit communicated with the anode chamber. And the cathode chamber is provided with a cathode electrode and an anaerobic acetic acid production microbial system and is communicated with biogas generated by anaerobic digestion, so that carbon dioxide in the biogas is reduced at the cathode to generate acetic acid and methane-enriched gas is output. The anode chamber is provided with an anode electrode, organic solid waste and a hydrolytic microorganism system are added, electrochemical-biological synergistic hydrolytic oxidation of the organic solid waste and hydrolysates of the organic solid waste is used as an anode reaction, oxygen evolution is inhibited, and oxygen transmembrane migration is reduced; and the hydrolysate in the anode chamber flows into the anaerobic digestion unit to produce biogas, so that the integrated operation of solid wastewater hydrolysis and biogas upgrading is realized.

The invention discloses an operation method and system for distributed organic solid waste centralized treatment and quality improvement and application, and relates to the field of chemical engineering, the operation method comprises the following steps: respectively carrying out pyrolysis treatment on organic solid waste distributed in different areas to obtain combustible gas and solid combustible materials and / or pyrolysis oil, using the combustible gas as fuel for pyrolysis treatment, and using the solid combustible materials and / or pyrolysis oil for pyrolysis treatment; the solid combustible comprises carbon powder and / or pyrolysis residues; concentrating and gasifying the solid combustibles and / or pyrolytic oil obtained in different areas to obtain mixed gas, dedusting the mixed gas, and converting the dedusted mixed gas by using water vapor to obtain a hydrogen crude product; purifying the hydrogen crude product to obtain a hydrogen product; packaging, storing or conveying the hydrogen product; the method solves the problem that large-scale industrial treatment and economic benefit improvement are difficult to realize due to the fact that the organic solid waste in a distributed area or a remote area has the characteristics of multiple types, small quantity, dispersive distribution, high transportation, recovery and treatment cost and the like.

The invention discloses a horizontal solid organic waste pyrolyzing furnace with a multi-stage shearing structure, belongs to the technical field of pyrolyzing furnaces, and aims to improve a traditional single straight-through furnace body structure and divide the whole pyrolyzing furnace into a pyrolyzing part and a preheating part. A shearing discharging column in a preheating part is used for carrying out continuous batch grinding smashing and preheating treatment on organic solid waste, the material granularity is reduced, the pyrolysis speed is increased, in the main pyrolysis link, a double-barrel furnace type structure composed of a pyrolysis barrel and a pyrolysis part is arranged, and under the rotation effect of multiple sets of shearing plates, the pyrolysis barrel and the pyrolysis part can be used for carrying out pyrolysis on the organic solid waste. Small-particle solid waste is in a continuous'upward turning-downward scattering 'multi-stage shearing state, materials are conveyed to the end part of the pyrolysis part along the inclined surface of the shearing plate in the upward turning process, and in the process, generated waste gas, carbon residues and pyrolysis oil are continuously separated through an exhaust passage, a residue discharge opening and an oil discharge hole respectively; and the heat-conducting property in the furnace is improved.

The invention relates to the field of waste polymer material recovery and resource utilization, and particularly discloses a method for realizing ultra-fast recovery of fluorine-containing organic waste through a self-propagating reaction. According to the method, liquid sodium-potassium alloy (NaK) is used as a reaction medium, under the protection of inert atmosphere, fluorine-containing organic solid waste is in contact with NaK, electron transfer is induced through mechanical friction, C-F bond breakage is catalyzed and induced, a defluorination reaction is triggered, reaction heat is released, a self-propagating combustion reaction is initiated, and finally, carbon materials and metal fluoride products are recycled. The method is rapid in reaction, does not need external heating, can efficiently recover fluorine-containing waste and prepare high-added-value materials, and is suitable for green large-scale treatment of waste fluoropolymers and preparation of functional materials.

The utility model relates to the technical field of organic solid waste resource utilization, and discloses an anaerobic digestion device for high-yield methane, which comprises an anaerobic reactor, a feed port and a discharge port are respectively arranged at the lower end and the upper end of the side wall of the anaerobic reactor, and an exhaust port is arranged at the top of the anaerobic reactor. A plurality of layers of electrodes which are horizontally arranged are arranged at the upper end in the anaerobic reactor, the electrodes are silk screen filler electrodes, the electrodes comprise positive electrodes and negative electrodes, and the positive electrodes and the negative electrodes are connected with an external power supply through wires. The water electrolysis device is arranged in the anaerobic reactor, the positive electrode generates oxygen, a micro-oxygen-consumption environment is generated around the positive electrode, hydrolytic bacteria are promoted to convert organic matter into low-molecular organic acid, a substrate is provided for methanogens, and methane generation is promoted; the negative electrode produces hydrogen, a hydrogen environment is generated around the negative electrode, hydrogen nutrition type methanogens are promoted to convert hydrogen and CO2 dissolved in the system into methane, and the purposes of reducing the carbon dioxide and improving the methane yield are achieved.

The invention relates to a method for enhancing hydrolytic acidification performance of a mixed raw material by biogas residue biochar prepared from anaerobic fermentation discharged materials, and belongs to the field of anaerobic digestion of organic solid wastes. According to the method, the kitchen waste and the corn straw are used as the mixed raw material, the biogas residue biochar is prepared from the wet anaerobic digestion discharged material added with the shell powder and the nano ferroferric oxide, and the biogas residue biochar is applied to the acid production stage of the mixed raw material to improve the hydrolytic acidification performance, so that the hydrogen production performance, the system stability and the biogas production performance of the mixed raw material are improved. Compared with a control group, the accumulated hydrogen yield of the mixed raw material is increased by 126.8%-133.0%, and the maximum hydrogen production peak is increased by 48.7%-67.9%. The maximum daily volatile fatty acid yield of an anaerobic system is improved by 33.7%-51.4% compared with that of a control group, and the stability of the system is also obviously enhanced. In the biogas production stage, the biogas yield is improved by 42.0%-51.8% compared with that of a control group. The method can significantly improve the hydrolytic acidification and biogas production performance of the mixed raw material.

The invention belongs to the technical field of carbon neutralization, and discloses an organic solid waste pyrolysis gasification tar hydrocarbon co-production quality-divided utilization method, which comprises the following steps of: firstly, dividing tar generated in an organic solid waste pyrolysis gasification process into light tar, medium tar and heavy tar according to boiling range difference through in-situ thermal-state quality division; the light tar is subjected to catalytic steam reforming to obtain hydrogen-rich synthesis gas, the medium tar is subjected to steam reforming to obtain synthesis gas and semicoke generated by condensation polymerization, and the semicoke and the heavy tar are subjected to steam activation to obtain synthesis gas and porous carbon; and carrying out water-gas shift, CO2 capture and pressure swing adsorption purification treatment on the obtained synthesis gas to obtain battery-grade hydrogen. According to the method, the tar is converted into high-value porous carbon and high-purity hydrogen step by step through stage treatment and quality-divided utilization of the tar, so that the problems of rapid deactivation of a catalyst, waste of high-temperature energy and the like in the tar treatment process are effectively solved, and resource utilization of the tar is realized.

The invention discloses a modular combined organic solid waste horizontal aerobic fermentation tank, and relates to the technical field of fertilizer manufacturing, one side of a first end cover mechanism is sequentially connected with at least one group of fermentation mechanism, one side of the outer part of each group of fermentation mechanism is provided with a docking mechanism, and each fermentation mechanism comprises a fermentation tank, a heating cavity, a circulation insertion frame and an insertion groove. The modular combined design is adopted, the core fermentation unit is based on multiple fermentation mechanisms, the number of the fermentation mechanisms can be flexibly increased or decreased through the movable frame according to the actual treatment capacity requirement of organic solid waste, and the whole set of equipment does not need to be replaced; according to the invention, energy waste caused by idle large tanks during small and medium-scale treatment can be avoided, additional pipelines and control coordination cost for parallel connection of multiple small tanks during large-scale treatment can be saved, the system is adaptive to treatment scenes of organic solid wastes of different types and different scales such as municipal sludge, agricultural straws, kitchen garbage, livestock manure and the like, and the universality and application economy of equipment are improved.

The invention belongs to the technical field of organic solid waste resource utilization, and particularly relates to iron modified waste residue biochar as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing lignin-rich waste residues with a specific ferric salt solution, obtaining a carbon precursor by virtue of an impregnation method, and promoting biomass pyrolysis to form a graphitized structure by virtue of pyrolysis calcination, so as to obtain the Fe-loaded modified waste residue biochar. The obtained iron-modified waste residue biochar is added into an anaerobic digestion system with organic waste as a substrate, the stability of the anaerobic system can be enhanced by means of the high adsorption and buffering capacity of the biochar, Fe loaded on the surface of the iron-modified waste residue biochar can serve as an electronic mediator, the activity of related enzymes in the anaerobic system is enhanced, and the anaerobic digestion efficiency is improved. Meanwhile, the electrochemical performance of the biochar is enhanced, microelements required by growth can be provided for microorganisms, and the digestion efficiency of the system is improved, so that the total yield of methane subjected to anaerobic digestion is increased, and harmless treatment and resource utilization of organic wastes can be realized.

The invention provides a battery negative electrode high-valued regeneration system based on multi-source solid waste. Heat energy and electric energy generated by a power generation module can be efficiently received and stored through a heat and energy storage module. The system utilizes the electric energy to drive the reaction module to perform low-temperature pyrolysis on the multi-element organic solid waste to generate a carbon-based negative electrode material precursor. And then, the carbon-based negative electrode material precursor and the waste negative electrode material are mixed, and the reaction module further adopts a flash Joule heat treatment technology to realize high-valued regeneration of the waste material, so that the recycling rate of resources is effectively improved, and the environmental pressure is reduced. In addition, the system further burns and recovers volatile component gas generated by the reaction module through a burner, and efficient cyclic utilization of energy is achieved. According to the method, the sustainability of the whole system is improved by utilizing renewable energy sources and multi-element organic solid waste, an innovative thought is provided in the aspects of waste treatment and energy storage device performance improvement, and good economic and environmental benefits are achieved.

The invention discloses a preparation method of red-mud-based artificial soil, which comprises the following steps: A, mixing and stirring red mud, calcium-based solid waste, industrial ferric salt, manganese slag and water according to a mass ratio, and fully stirring to fully react to obtain dealkalized red mud; wherein the mass ratio of the red mud to the calcium-based solid waste to the industrial ferric salt to the manganese slag to the water is 100: (1-5): (0.1-1): (0.1-1): (10-50); b, mixing the dealkalized red mud with the fly ash, the biomass and the stable organic solid waste, and fully and uniformly stirring to obtain a mixture; and C, naturally stacking the mixture and fertilizing. The method can accelerate the red mud harmlessness and soil treatment process, and reduces the environmental pollution risk of the storage yard.

Organic solid waste treatment equipment of the technical field of organic solid waste treatment is provided, including a box body, the top of the box body is fixedly connected with a feeding port. When in use, waste is poured into the box from the feeding port, driven by the extended hydraulic rod to move the squeezing plate, pushing the waste towards the drainage groove; the waste is pushed to the filter screen surface by the squeezing plate, squeezed and drained by its pressure, and repeatedly squeezed by the hydraulic rod's extension and retraction to dry, and waste is crushed in the barrel, slides down the plates into the hopper, and then into the conveying pipe. By activating the third motor, the auger flights are driven to rotate, pushing the waste out from the end face of the conveying pipe to complete the discharging.

The invention discloses a comprehensive utilization method and system for high-value organic wastes and adjustable target products, and belongs to the technical field of resource utilization of organic wastes. The system comprises gasification and carbonization equipment, an afterburning type waste heat boiler, a gas generator set, steam explosion equipment, activated carbon preparation equipment, anaerobic fermentation equipment, a methanol preparation system, flue gas waste heat recycling equipment, an ammonia gas preparation system, biomass charcoal pure oxygen combustion equipment, a green hydrogen preparation system and a biodiesel preparation system. The three technologies of gasification carbonization, steam explosion and anaerobic fermentation are coupled, the treatment efficiency is greatly improved, deep resource utilization of organic solid waste and organic wastewater is achieved through the same set of equipment, the equipment investment is reduced, and the occupied area is reduced; biomass green electric power generated by the gas generator set is used for splitting water to produce hydrogen and oxygen; and secondary gradient utilization and material reutilization of the waste heat of the flue gas are realized.

The invention provides a high-crystallinity modified iron oxide as well as a preparation method and application thereof, and relates to the technical field of organic solid waste treatment. The preparation method comprises the following steps: preparing a precursor MIL-88B by utilizing a hydrothermal method; the precursor MIL-88B is subjected to calcination treatment, and an iron oxide with the MIL-88B as the precursor is obtained; the temperature condition of the calcination treatment is 550-850 DEG C. The high-crystallinity modified iron oxide prepared by the preparation method improves methane production efficiency and stability, avoids competition of iron reducing bacteria, is stable in long-term operation and low in cost, and has both environmental and economic benefits.

The invention relates to the technical field of waste treatment, and particularly discloses an intelligent environment-friendly organic solid waste resource utilization method and system. Before organic solid wastes enter a crushing mechanism, the organic solid wastes are identified and classified based on a computer vision technology; the mechanical arm is controlled to remove the impurities when it is detected that the impurities exist in the organic solid waste, then the organic solid waste is fed into the smashing mechanism to be smashed, and the smashed powdery waste is dissolved through a dissolving solution; and separating the liquid in which the organic substance is dissolved and the solid powder from which the organic substance is removed. In this way, the overall process of resource utilization of the organic solid waste is effectively optimized, efficient and pure utilization of the organic solid waste is facilitated, and the waste treatment efficiency and the resource utilization quality are improved.

The invention discloses a high-efficiency aerobic fermentation corncob-based biological conditioner and application thereof. Aiming at the common problems of unstable carrier effect, poor environmental adaptability, easiness in inactivation of the microbial inoculum, difficulty in continuously exerting efficacy and the like existing in the existing composting microbial inoculum, the agricultural waste corncob with a porous structure and excellent water-retaining and fertilizer-retaining natural characteristics is pretreated and modified; and the immobilized carrier of the aerobic fermentation inoculant with high activity and high stability is constructed. The carrier matrix can be used for efficiently loading and remarkably improving the expanding culture core aerobic fermentation functional flora to prepare a solid biological conditioner. The corncob-based biological conditioner is applied to the composting process of organic solid wastes, promotes the humification process of organic materials, shortens the composting period, improves the fermentation efficiency of the materials, and effectively improves the resource utilization level of the organic solid wastes.

The invention discloses a method for accelerating straw composting by utilizing magnetite and compound microorganisms to drive biological advanced oxidation, and belongs to the technical field of efficient composting of agricultural organic solid wastes. The method comprises the following steps: (1) uniformly mixing straws and excrement as a compost body, adjusting the C / N ratio and the water content, adding magnetite, a bacillus subtilis liquid and a crushed white rot fungus liquid, and putting the mixture into a composting device; (2) intermittent aeration is carried out, the temperature is 28-32 DEG C, and the composting period is 40-50 days. According to the composting method, through intermittent aeration, controllable aerobic conditions and anoxic conditions are formed in a compost body, under the anoxic conditions, ferric iron is subjected to dissimilatory iron reduction to generate ferrous iron, and under the aerobic conditions, compound microorganisms reduce oxygen through extracellular electron transfer to form hydrogen peroxide, so that the composting effect is improved. Divalent iron and hydrogen peroxide are subjected to a Fenton-like reaction to generate hydroxyl free radicals with high oxidizing property, so that decomposition of straw lignocellulose is accelerated, and the composting efficiency of compost is improved.

The invention relates to the technical field of organic solid waste resourceful treatment, in particular to a method for enhancing degradation of biodegradable plastic compost based on white-rot fungi and manganese modified charcoal. According to the method, manganese modified charcoal and white-rot fungi are subjected to synergistic treatment, and the efficient method for intensively degrading the biodegradable plastic through aerobic composting is constructed. The method effectively overcomes the technical bottlenecks of slow degradation starting, long degradation period and easy generation of micro-plastic residues of the biodegradable plastic in traditional compost, and realizes rapid and thorough degradation of the biodegradable plastic. Besides, the method also promotes the conversion of humus precursor substances in the compost material and accelerates and stabilizes the synthesis of humus, so that the decomposition degree of the compost product is remarkably improved, and the quality and environmental safety of the final compost product are synchronously improved while the biodegradable plastic is efficiently degraded. And an efficient and reliable solution is provided for recycling of organic solid wastes and degradation of biodegradable plastic compost.

The present invention relates to the field of organic solid waste treatment, and specifically to an industrial organic solid waste resource utilization treatment device and method, comprising a box body, the top of the box body is fixedly connected to a feed barrel, a crushing mechanism and a material guiding mechanism are arranged inside the box body, and the crushing mechanism is located below the feed barrel, and the material guiding mechanism is located below the crushing mechanism. When the hydraulic rod is driven to extend, the present invention can drive the extrusion plate to move in the direction of the first baffle plate to compact the waste, and there is no need to stop crushing the waste when compacting the waste, and after completing the compaction of the waste, the waste can be pushed out of the box body immediately to complete a single compaction treatment of the waste, and then when the hydraulic rod is reset, it can drive the extrusion plate, the first baffle plate, the second baffle plate, etc. to reset synchronously, so that only the hydraulic rod needs to be driven to move a stroke at a fixed time, and the waste can be continuously compacted and discharged, thereby effectively improving the waste treatment efficiency.

The invention belongs to the technical field of organic solid anaerobic digestion, and provides an organic solid waste treatment device and method based on microbial electron transfer intensification. A central electrode and an inner wall electrode are arranged in a cylindrical anaerobic digestion reaction tank, and electron transfer in a system is driven by a voltage-stabilized direct-current power supply; the stirring paddles are arranged on the two sides to strengthen the rheological property and electron transfer capacity of the organic solid waste, and a dispersive conductive material adding system is arranged, so that the resistivity of materials in the tank is further reduced, and an efficient anaerobic digestion electron transfer way is constructed. The bottleneck problems that in the anaerobic digestion process, electron transfer driving force of biological metabolism reaction is insufficient, and transfer ways are lacked are solved, the methane conversion rate of organic solid waste is increased, the methane concentration ratio in biogas is increased, and the method has good application prospects.

The invention discloses a method and a system for efficiently producing short-chain fatty acid by utilizing waste molasses in the sugar industry and municipal sludge through synergistic anaerobic fermentation, and belongs to the technical field of organic solid waste recycling. Waste molasses and municipal sludge are mixed according to a specific ratio, the carbon-nitrogen ratio is optimized to 20-30: 1, trace metal catalysts (Fe < 2 + >, Co < 2 + > and Ni < 2 + >) are added, and two-stage pH regulation (the initial pH is 6.0-7.0, and the later pH is 5.5-6.0) and a medium-temperature (35-37 DEG C) anaerobic fermentation process are combined, so that the yield of short-chain fatty acid is remarkably increased to 5.2-6.8 g COD / L and is increased by 200-300% compared with that of traditional sludge single-substrate fermentation. The method realizes recycling and high-value conversion of the organic solid waste, and has the characteristics of low cost, high acid production efficiency and environmental friendliness.

The invention relates to the technical field of organic solid waste recycling and hydrogen energy, in particular to a hydrogen, electricity and heat co-production system and method for organic solid waste combustion and synergistic gasification. Organic solid waste is divided into high-calorific-value organic solid waste and low-calorific-value organic solid waste based on the calorific value and the water content, the high-calorific-value organic solid waste is used for calcining limestone, and the low-calorific-value organic solid waste is used for gasification; the organic solid wastes with different heat values and water contents are fully digested, and the problem of unstable operation caused by complex components of the organic solid wastes is solved. A three-stage energy gradient utilization module is constructed, and a traditional single power generation and single heat supply mode is innovated into a heat energy, electric energy and hydrogen energy co-production mode. A calcium-based material circulation system is systematically constructed, and hydrogen production-pollution control synergic integration is realized. The method has remarkable economic and environment-friendly benefits, and a solution is provided for high-value utilization of organic solid waste and preparation of green hydrogen.

A strengthening method for aerobic co-compost of kitchen waste anaerobic biogas residues and hermetia illucens feces belongs to the technical field of organic solid waste treatment, and the specific scheme comprises the following steps: step 1, uniformly mixing kitchen waste biogas residues, hermetia illucens feces and auxiliary materials to obtain a mixed material I; step 2, adding tea leaf residues and iron oxide into the mixed material I, and uniformly mixing to obtain a mixed material II, and step 3, carrying out aerobic composting on the mixed material II until the temperature rise period, the high-temperature period, the cooling period and the decomposition period of a compost body are normally completed. On the basis of a biogas residue-fecula aerobic co-composting system, by adding the tea leaf residues and the iron oxide, the content of humus precursor substances is increased, and conversion of the precursor substances to humus is promoted, so that formation of humic acid is facilitated, the fertilizer efficiency and application potential of a composting product are improved, and meanwhile nitrogen loss in the composting process is reduced.

The invention relates to the field of high-value utilization of organic solid wastes, in particular to a biomass pyrolysis poly-generation device with a baking pretreatment system, which comprises a pretreatment furnace, a low-temperature pyrolysis furnace and a high-temperature carbonization furnace. Besides, the invention also provides a pyrolysis poly-generation method, raw materials pass through the pretreatment furnace and then enter the low-temperature pyrolysis furnace to be pyrolyzed, pyrolysis gas and pyrolysis carbon are generated, the pyrolysis gas is collected through a channel and discharged, and gas and liquid products with high combustion performance are obtained through subsequent separation and condensation treatment. Pyrolytic carbon enters a high-temperature carbonization furnace to be further carbonized into activated carbon, and waste heat is recycled for the pretreatment process. According to the invention, pretreatment, low-temperature pyrolysis and high-temperature carbonization are coupled in one system, water vapor generated by pretreatment is used for providing an activator for the carbonization process, waste heat generated by the high-temperature carbonization process is used for providing heat required by pretreatment, efficient pyrolysis and carbonization co-production is realized, and the system has the advantages of efficient energy utilization, energy conservation and environmental protection.

The invention discloses an organic solid waste in-situ pyrolysis oxidized carbon-steam integrated device and method.The device comprises a pyrolysis oxidized carbon-steam integrated furnace, and the pyrolysis oxidized carbon-steam integrated furnace is divided into a pyrolysis carbonization chamber, a pyrolysis gas oxygen control combustion chamber and a pyrolysis gas peroxidation combustion chamber; the peroxidation incineration chamber is divided into a pyrolysis gas peroxidation incineration area and a steam generation area in the vertical direction, the pyrolysis gas oxygen control combustion chamber is located above the pyrolysis carbonization chamber and communicated with the interior of the pyrolysis gas peroxidation incineration area, and the pyrolysis carbonization chamber is divided into a pyrolysis area, an air activation area and a steam activation area in the material conveying direction; the pyrolysis gas oxygen control combustion chamber receives pyrolysis gas for oxygen control combustion, heat generated by combustion is radiated to the pyrolysis carbonization chamber to provide energy for pyrolysis activation in situ, the pyrolysis gas which is not completely combusted is subjected to peroxidation incineration in the pyrolysis gas peroxidation incineration area to obtain smoke, and heat carried by the smoke generates steam in the steam generation area and is supplied to the steam activation area. Equipment can be reduced, and the heat utilization rate is increased.

The invention provides an organic solid waste drying and metal extracting integrated device and a using method thereof, and belongs to the field of environmental science and engineering. A series of problems of low utilization rate of organic solid waste heat energy, more pollutants generated in the extraction process of metal-containing wastes, high metal oxidation loss rate and the like in the prior art are solved. The integrated device comprises a pyrolysis chamber, a high-temperature cracking chamber, a material drying chamber, a steam boiler, a cyclone dust removal chamber, a spraying chamber, an electrostatic dust removal chamber, a water bath purification chamber, a biomass gas treatment chamber and a metal carbonization chamber, the pyrolysis chamber is connected with the high-temperature cracking chamber through an air passing opening, and a first biomass air inlet is formed in the pyrolysis chamber; a second biomass air inlet is formed in the high-temperature cracking chamber, the high-temperature cracking chamber is connected with the material drying chamber through a lower hot air pipe and an upper hot air pipe, an air drying cylinder is arranged in the material drying chamber, the upper hot air pipe is communicated with the interior of the air drying cylinder, and the lower hot air pipe is communicated with the outer space of the air drying cylinder. The device is mainly used for drying organic solid waste and extracting metal in waste.

The invention discloses industrial organic solid waste layered curing equipment and method, and relates to the technical field of organic waste treatment. The two support frames are respectively screwed and inserted into the corresponding differentiation frames through support bearings; the two curing frames are inserted into the corresponding supporting frames correspondingly, and the upper end protrusions of the curing frames are clamped to the upper ends of the supporting frames. The clamping columns are equal in number and are fixedly arranged on the inner top face of the protrusion in an equal-fillet distribution mode, and the clamping columns are inserted into clamping grooves formed in the upper end of the supporting frame. The two swing assemblies are arranged on the rear side of the supporting frame. The two supporting tables are fixedly arranged in the differentiation frame, and the supporting tables are arranged on the lower side of the supporting frame. The two ejection assemblies are arranged on the lower side of the supporting table. According to different types of organic waste materials, the organic waste materials can be selectively placed in different curing frames, materials and curing agents can be added in the stirring process to improve the curing effect, and the materials and the curing agents can be conveniently taken out after being cured and formed.

The invention relates to a method for producing acid and improving dehydration performance through anaerobic fermentation of paper waste and multisource organic waste, which comprises the following steps: S1, settling multisource organic solid waste, removing supernatant, and adding into an anaerobic fermentation reactor; s2, crushing paper wastes, adding the crushed paper wastes into the anaerobic fermentation reactor in the step S1, and mixing the crushed paper wastes with the multi-source organic solid wastes; s3, removing oxygen in the anaerobic fermentation reactor, and performing sealed constant-temperature fermentation; and S4, product separation. Compared with the prior art, the method disclosed by the invention has the advantages that the reaction period is greatly shortened compared with the conventional anaerobic digestion method, and the organic acid in the generated supernate is more easily recycled than methane; by adding the paper wastes, the dehydration performance of the organic solid wastes can be improved, and the stability of the fermentation liquor can be adjusted; for paper wastes such as waste tissues and waste paper meal boxes which are difficult to directly recycle due to organic pollution, the method is an important way for realizing carbon reduction and recycling.

The invention belongs to the technical field of garbage recycling treatment, and discloses organic solid waste heat treatment drying equipment which comprises a drying assembly. Through cooperation of structures such as a flow dividing assembly and a supporting cylinder, a motor drives a threaded conveying rod to rotationally convey waste to the top of a bearing plate through a driving shaft and a bevel gear, the weight of the motor presses the bearing plate to descend, the threaded conveying rod stops rotating, and arc-shaped rods on the edge of an arc-shaped support flatly spread the waste to the top of the bearing plate; the microwave emitted by the magnetron evaporates moisture in the waste, the weight of the waste is gradually reduced, the spring slowly supports the arc-shaped bracket to return to the initial position, the arc-shaped bracket pushes the waste to fall off from the gap between the edge of the bearing plate and the inclined surface of the inner wall of the working box, and the helical gear is located in the notch in the threaded conveying rod again; and in the circulating conveying process, each part of waste can be independently dried, so that the heat treatment efficiency of the device is further improved.