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64results about How to "Promotes anaerobic fermentation" patented technology

Kitchen waste disposal method

The invention relates to a kitchen waste disposal method which is characterized by comprising the following steps of: (1) sorting and removing impurities; (2) crushing a mixture the particle diameter of which is not greater than 8mm; (3) centrifugally separating to obtain a light phase and a heavy phase; (4) centrifugally separating the light phase into grease and a high-concentration solution; (5) hydrating for pulping and acidifying: carrying out water mill on the heavy phase and the high-concentration solution to prepare dense slurry and carrying out hydrolysis acidification on the dense slurry to obtain ground masses; and (6) carrying out anaerobic fermentation in an upflow anaerobic sludge bed to obtain methane. Compared with the prior art, the invention mainly improves the content of organic matter in the materials and greatly reduces the biogas residue yield through sorting, impurity removal and crushing; the grease which is not easy to acidified is removed through the centrifugal separation process and the oil and water separation process, which is beneficial to carrying out anaerobic fermentation; the insoluble organic matter is gradually converted into solvable organic matter through the hydration pulping process and the hydrolysis acidification process, and thereby, the anaerobic fermentation gas yield is improved, the sludge load factor is high and the biogas residue yield is very low.
Owner:NINGBO KASEEN ECOLOGY TECHNOLOGY CO LTD

Concentrated harmless treatment method for excrements of breeding industry

The invention relates to a concentrated harmless treatment method for excrement of the breeding industry, particularly relates to a method for concentrated harmless treatment of livestock excrements to produce methane and an organic fertilizer and harmless treatment of sick and dead animal bodies to produce the organic fertilizer, and belongs to technique and equipment required in the fields of resources and environments. The method comprises four parts of excrement treatment, production of the organic fertilizer, treatment of sick and dead livestock, and intelligent control; the four parts are mutually related and mutually complement functionally, the methane can provide energy to conveniently realize high temperature sterilization, the fermentation of the organic fertilizer also requires the temperature, meanwhile, an organic fertilizer fermentation strain is also helpful for making the fertilizer through fermenting the sick and dead livestock in the later period, and the intelligent control is central nervous of the system, and has huge actions on efficient treatment and improvement of the treatment efficiency. The treatment method is reasonable in structure, the system is equipped, intelligent and efficient, and the method is suitable for popularization and application.
Owner:新疆舒创环保科技有限公司

Method of treating feces in breeding industry

The invention relates to a method of treating feces in breeding industry, in particular relates to a method and a device for treating livestock feces in a breeding house underground to produce biogas and an organic fertilizer and belongs to the technology and equipment needed by resource and environment field. The device comprises a breeding house, a breeding house equipment room, a breeding house aisle, a feces gutter, a feces output pipe, a precipitation and impurity removal system, a solid-liquid separation system, a biogas digester system, a biogas temperature improvement and insulation system, a biogas reflux house flushing and crust breaking system and a biogas storage and purification system, wherein the breeding house, the breeding house equipment room, the breeding house aisle, the feces gutter, the feces output pipe, the precipitation and impurity removal system, the solid-liquid separation system, the biogas digester system, the biogas temperature improvement and insulation system, the biogas reflux house flushing and crust breaking system and the biogas storage and purification system are connected with one another. According to the method disclosed by the invention, the main treatment equipment is mounted in the breeding house underground, is small in occupied area, high in resource comprehensive utilization ratio and remarkable in economical and environmentally friendly benefits and is capable of purifying the biogas and producing the organic fertilizer.
Owner:新疆沃土壮苗农业科技有限公司

Resourceful and clean sorting method of household garbage

The invention discloses a resourceful and clean sorting method of household garbage. The method comprises the following steps: breaking bags after sterilizing and deodorizing; tearing the garbage to pieces of 1-25cm and sterilizing and deodorizing again; crushing the treated garbage; squeezing the crushed garbage; placing squeezed waste liquid in an anaerobic fermentation system; sorting the squeezed garbage with a 2-15mm garbage screen, wherein the substance below the screen drops into water, and is screened by a 50-100 mesh screen to obtain paper slurry and the obtained paper slurry is dewatered and squeezed to obtain paper slurry crude product; mud and sand are removed from heavy substance after the paper slurry is separated and the heavy substance enters a construction material production line for sorting out of colored metal and is made to construction materials; the substance above the screen enters a floating sorting water box; substance with relative light specific weight such as plastic is separated; the light substance flows to a 1-5mm screen with the water and is transmitted to a plastic essence production line after being spinning-dried and dewatered. According to the method, the household garbage is effectively separated and is finally all processed to products and zero burning, zero land filling and zero emission are realized.
Owner:青岛福创环境科技有限公司

Sewage and sludge treatment system and environmental-friendly recycling method thereof

The invention discloses a sewage and sludge treatment system and an environmental-friendly recycling method thereof. The sewage and sludge treatment system comprises a collecting tank (1) and is characterized in that the bottom of the collecting tank (1) is connected with a sludge treatment device (2), a discharging port is formed in the bottom of the sludge treatment device (2), a control valve (7) is arranged on the discharging port, a sludge sedimentation cylinder (5) is mounted below the discharging port, more than one anaerobic reaction devices (6) are arranged on the outer side of the sludge sedimentation cylinder (5), an outlet of a reaction sludge dewatering device (12) is connected with a coulter mixing machine (14) through a screw conveyer (13), an outlet in the bottom of the coulter mixing machine (14) is connected with a pressure filtration device (16), and the pressure filtration device (16) is connected with a water reducing ball-making machine (19). According to the sewage and sludge treatment system, sewage and sludge treatment cost is low, the sewage and the sludge can be separated at low energy consumption, the recycling rate of energy sources in the sewage and the sludge is increased, and energy-saving and environmental-friendly effects are remarkable.
Owner:WUHAN TAIKANGXIANG TECH CO LTD

Mechanical and pneumatic combined dry anaerobic fermentation system and fermentation method

ActiveCN112812940AAnaerobic fermentation is efficientReduce energy consumption of mechanical stirringBioreactor/fermenter combinationsBiological substance pretreatmentsMethane productionProcess engineering
The invention discloses a mechanical and pneumatic combined dry anaerobic fermentation system. The system comprises a horizontal fermentation tank, a mechanical stirring assembly and a pneumatic stirring assembly, wherein the mechanical stirring assembly comprises a stirring shaft arranged in the axial direction of the horizontal fermentation tank and a plurality of blades arranged on the stirring shaft; the pneumatic stirring assembly comprises a first pneumatic pipe, a second pneumatic pipe and an air supply pipeline connected with the first pneumatic pipe and the second pneumatic pipe, and the first pneumatic pipe and the second pneumatic pipe are sequentially arranged in the axial direction of the horizontal fermentation tank. Through combination of the mechanical stirring assembly and the pneumatic stirring assembly, energy consumption of mechanical stirring is reduced, gas generated through fermentation is used for stirring, energy is saved, the first pneumatic pipe corresponds to the material acid production stage, the second pneumatic pipe corresponds to the material methane production stage, materials in the two stages are stirred in a differentiated mode, the stirring requirements of the materials in different stages are met, and efficient anaerobic fermentation of the fermented materials is facilitated.
Owner:上海环境保护有限公司

Method for feeding live pigs through full-plant green corn bundled fermentation and assorted harvester

The invention discloses a method for feeding live pigs through full-plant green corn bundled fermentation and an assorted harvester. The harvester comprises a vehicle body, a harvesting mechanism, a chopping mechanism, a delivering mechanism, a compression bundling mechanism, a juice recycling and spraying mechanism and the like. When the harvester walks forward in a field, full-plant green corn is slotted after being cut from the root and then enters a compressing cavity of the compression bundling mechanism, an auxiliary mixed with a fermentation inoculant on the harvester synchronously enters the compression cavity to be compressed and bundled, extruded juice is sprayed to the surface of the bundled full-plant corn, and then the corn is packed into a plastic sealing bag containing a unidirectional breather valve, and is put on the field after being covered with a plastic woven bag; the corn is transferred to a suitable place from the field, and is mixed with other feed after being stacked, stored, fermented, pulped and smashed to feed live pigs. Harvesting, smashing, mixing with inoculating microbes, compression bundling and bagging of the full-plant green corn are all completed in one harvester, and the full-plant green corn feed in accordance with live pig feeding is obtained through integration production.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

Solid state fermentation device and solid state fermentation method

The invention relates to a solid-state fermentation device and a solid-state fermentation method, and belongs to the technical field of white spirit brewing. Through the structural design of the solid-state fermentation device, the production mode of a traditional pit mud cellar is changed, a traditional brewing container becomes an automatic modern fermentation tank, and automatic transformation of brewing fermentation is facilitated; in the method, yellow water and alcohol fragrance are circulated up and down in the fermentation process, so that the fermented grains at the upper part and the lower part in the fermentation tank are in relatively consistent environmental conditions, and the fermentation quality of the fermented grains at the upper layer and the lower layer is kept consistent. Through staged control of heat preservation of the tank body, pit mud can be kept in a proper fermentation temperature stage, the influence of the external environment on the microbial fermentation process in the pit mud is reduced, and aroma-producing fermentation of pit mud is promoted. According to the invention, the innovation of an automatic production mode of a traditional mud pit fermentation mode is successfully realized, the production automation degree is improved, and the labor cost is reduced; meanwhile, the uniformity and consistency of fermentation are regulated and controlled, and the stability of fermentation quality is promoted.
Owner:JIANGNAN UNIV +1

Soil conditioner based on kitchen waste, preparation method thereof and soil improvement method

The invention belongs to the technical field of waste treatment, and particularly relates to a soil conditioner based on kitchen waste, a preparation method of the soil conditioner and a soil improvement method. The preparation method of the soil conditioner comprises the following steps: (1) treating raw materials; (2) washing and desalting; (3) performing centrifugal dehydration; (4) performingsecondary de-oiling; and (5) preparing the soil conditioner. The soil conditioner is applied to soil, mixed, irrigated and covered with a film, the salt content of the soil can be greatly reduced, thecontent of organic matters, total nitrogen, quick-acting phosphorus and quick-acting potassium in the soil can be increased, meanwhile, the pH of the soil can be increased, the volume weight of the soil can be reduced, formation of a soil aggregate structure can be promoted, and the porosity of the soil can be increased. Soil continuous cropping obstacles are reduced, and the incidence rate of crop soil-borne diseases caused by continuous cropping soil is reduced. The soil improvement method is high in treatment speed and free of pollution residues after treatment is completed, the physical and chemical properties of the secondary salinized soil can be remarkably improved, meanwhile, a new direction is provided for recycling of the kitchen waste, and the application prospect is great.
Owner:HUNAN VEGETABLE RES INST

Method for improving biogas generation property of anaerobic fermentation of chicken manure by adding charcoal

The invention discloses a method for improving the biogas generation property of anaerobic fermentation of chicken manure by adding charcoal. The method comprises steps of adding rice hull charcoal into chicken manure and implementing anaerobic fermentation to make biogas. The rice hull charcoal is prepared through rapid thermal cracking of rice hull in a biomass waste production liquid fuel device, the rice hull charcoal is adopted as an external additive to promote the chicken manure anaerobic fermentation biogas generation process, the problem of ammonia inhibition in chicken manure anaerobic fermentation biogas generation engineering can be solved, and the fermentation stability can be improved. By adopting the method, efficient and stable biogas production with chicken manure can be achieved, the fermentation cycle is short, the fermentation gas yield is large, the methane content is high, the operation is stable, the problem that a system is easy to break down in the chicken manure anaerobic fermentation process can be solved, meanwhile, fermentation residues rich in charcoal can be obtained, and agricultural production and soil improvement can be facilitated when the fermentation residues are used as organic fermentations. By adopting the method, theoretical foundations and data support are provided for energy and resource utilization of chicken manure and effective utilization of biogas slurry and biogas residues.
Owner:SHANGHAI JIAO TONG UNIV

Efficient anaerobic fermentation device for straw feed and application method thereof

ActiveCN104544511AFermentation temperature difference narrowedIncrease cooling areaFeeding-stuffInsulation layerCore temperature
The invention provides an efficient anaerobic fermentation device for straw fee. The device comprises a supporting seat pit, a synchronous lifting mechanism, a guide heat transfer part, a heat insulation layer, a steel bottom plate, a heat preserving fermenting box body, a pressure exhausting pipe, a side surface temperature measuring sensor and a core temperature measuring sensor; the steel bottom plate and the heat insulation layer are sequentially arranged on an upper opening of the supporting seat pit; the synchronous lifting mechanism is arranged in the supporting seat pit; the guide heat transfer part and the core temperature measuring sensor are respectively inserted into guide holes formed in the steel bottom plate and the heat insulation layer by sleeving; the lower ends of the guide heat transfer part and the core temperature measuring sensor are both mounted on the synchronous lifting mechanism; the heat preserving fermenting box body is arranged above the steel bottom plate to cover the supporting seat pit; the pressure exhausting pipe is arranged on a top plate of the heat preserving fermenting box body; the side surface temperature measuring sensor is arranged on the sidewall of the heat preserving fermenting box body; the core temperature measuring sensor is arranged in a distribution area of the guide heating part. With the adoption of the device, the straws can be subjected to efficient anaerobic fermentation; the temperature in straw fermentation can be kept stable and uniform, and thus the straws can be industrially fermented into base feed.
Owner:李文跃

Whole plant green maize automatic fermenting and transporting device for livestock and poultry

The invention relates to a whole plant green maize automatic fermenting and transporting device for livestock and poultry, and relates to the field of breeding. The whole plant green maize automatic fermenting and transporting device comprises a fixing frame, wherein a middle part stirring barrel is arranged in the fixing frame; a discharging opening is formed in the lower part of the middle partstirring barrel; a pipeline is arranged just below the discharging opening; screw conveyors are arranged in the pipeline; material leaking plates are arranged under the pipeline; material leaking holes are formed in each material leaking plate; a livestock and poultry material tank is arranged under the material leaking holes; and a material self-adjusting mechanism and an inserting and clamping type material mechanism are arranged on the fixing frame. According to the whole plant green maize automatic fermenting and transporting device disclosed by the invention, a green maize material storing tower adopts a carbon dioxide anaerobic environment, so that the anaerobic fermentation and the long-term storage of whole plant green maize and the falling of wet materials of the whole plant greenmaize are facilitated; the green maize material storing tower cooperates with a conventional dry material storage tank, so that dry material feeding and the whole plant green maize wet feeding are convenient, and the palatability of a feed is improved; besides, the insufficiency of nutrients of the whole plant green maize is complemented, and the nutritive requirements of pigs and poultry are met; and the shifting of automatic adjusting of wet materials is realized by own counter weight of the material self-adjusting mechanism, so that the design is ingenious and the cost is low.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI +1

High-efficiency cycle straw anaerobic fermentation system

PendingCN107988054AImprove efficiencyPlay the role of filtering particulate impuritiesBiological substance pretreatmentsApparatus sterilizationParticulatesReflux
The invention relates to a high-efficiency cycle straw anaerobic fermentation system. The high-efficiency cycle straw anaerobic fermentation system comprises a straw pretreatment workshop, a biogas slurry input valve, a biogas slurry filtering workshop, a biochar filtering tank, a horizontal moving device, a suspended traction device, a filtrate output pipe mouth, a post treatment workshop, an anaerobic fermentation tank, a biogas slurry reflux pipeline, a biogas slurry output valve and a biogas slurry reflux valve. According to the high-efficiency cycle straw anaerobic fermentation system disclosed by the invention, the biochar filtering tank is utilized in a filtering process of the biogas slurry and also can realize an effect of better filtering particulate impurities; meanwhile, by filtering the biogas slurry through straws and carrying out degradation treatment on the straws by the biomass slurry, the high-efficiency cycle straw anaerobic fermentation system has the characteristics of complementation of each other's advantages, easiness in operation and high efficiency; multistage treatment of the straws is performed from the pretreatment workshop to the anaerobic fermentationtank, so that anaerobic fermentation of the straws is better facilitated; meanwhile, transportation and transfer of a regular hexahedronal box body are realized by horizontally moving a lifting device, so that labor force and material resources are reduced; on the whole, the high-efficiency cycle straw anaerobic fermentation system disclosed by the invention has the characteristics of simple structure and convenience in operation.
Owner:NORTHWEST A & F UNIV

Decrement processing system and method for excrement sources of large and medium-sized live pig farms

The invention provides a decrement processing system and method for excrement sources of large and medium-sized live pig farms. The decrement processing system comprises hog houses, wastewater collection pipes, excrement collection ditches, water collection tanks and excrement collection tanks, wherein the hog houses are divided into hog lots by virtue of spacing walls, water collection trenches are formed in the ground in the hog houses at intervals along the length directions of the hog houses and have the same lengths with the hog houses, the adjacent water collection trenches are mutually parallel, the water collection trenches are communicated with the wastewater collection pipes, the wastewater collection pipes are connected with the water collection tanks, and the water collection tanks are arranged at one ends of the hog houses; the floors of the hog houses are cement floors, and self-cleaning water permeable bricks are paved on the floors of the hog houses and cover the water collection trenches; and the excrement collection ditches are located on one sides of the hog houses along the length direction, are communicated with the hog lots and are connected with the excrement collection tanks. According to the decrement processing system, the production amount of sewage after excrement in the excrement collection tanks is subjected to solid-liquid separation can be effectively reduced and is reduced by 91.7% at a source, the processing difficulty of the decrement is reduced, and the processing cost is saved.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI

Dry anaerobic fermentation treatment equipment for high-content organic solid waste

The invention discloses dry anaerobic fermentation treatment equipment for high-content organic solid waste. The equipment comprises a feed hopper, a crushing chamber, a crushing device, a dry anaerobic fermentation machine body and socles, wherein the socles are vertically connected to the bottom of the dry anaerobic fermentation machine body, the feed hopper is connected to the top of the dry anaerobic fermentation machine body, the feed hopper is communicated with the crushing chamber, and the crushing chamber is provided with the crushing device connected with the dry anaerobic fermentation machine body. Compared with the prior art, the equipment is advantaged in that alternate pulverization is performed, a scraping sleeve is taken as a static tool, a pulverizing knife is taken as a moving tool, so the organic solid waste attached to the crushing knife can be scraped in time; the situation that more organic solid waste is attached to surfaces of pulverizing cutters, and pulverizingof the organic solid waste is consequently affected is avoided, the pulverizing quality of the organic solid waste of the pulverizing cutters is improved, the organic solid waste is pulverized more thoroughly, follow-up anaerobic fermentation of the organic solid waste is facilitated, moreover, equipment does not stop, and pulverizing efficiency is greatly improved.
Owner:张杰

Kitchen waste disposal method

The invention relates to a kitchen waste disposal method which is characterized by comprising the following steps of: (1) sorting and removing impurities; (2) crushing a mixture the particle diameter of which is not greater than 8mm; (3) centrifugally separating to obtain a light phase and a heavy phase; (4) centrifugally separating the light phase into grease and a high-concentration solution; (5) hydrating for pulping and acidifying: carrying out water mill on the heavy phase and the high-concentration solution to prepare dense slurry and carrying out hydrolysis acidification on the dense slurry to obtain ground masses; and (6) carrying out anaerobic fermentation in an upflow anaerobic sludge bed to obtain methane. Compared with the prior art, the invention mainly improves the content of organic matter in the materials and greatly reduces the biogas residue yield through sorting, impurity removal and crushing; the grease which is not easy to acidified is removed through the centrifugal separation process and the oil and water separation process, which is beneficial to carrying out anaerobic fermentation; the insoluble organic matter is gradually converted into solvable organic matter through the hydration pulping process and the hydrolysis acidification process, and thereby, the anaerobic fermentation gas yield is improved, the sludge load factor is high and the biogas residue yield is very low.
Owner:NINGBO KASEEN ECOLOGY TECHNOLOGY CO LTD

Fertilizer for saline-alkali soil based on coal-fired flue gas desulfurization gypsum and sludge and preparation method of fertilizer

The invention discloses fertilizer for saline-alkali soil based on coal-fired flue gas desulfurization gypsum and sludge and a preparation method of the fertilizer. The fertilizer is prepared from thefollowing components in parts by weight: 20 to 40 parts of the coal-fired flue gas desulfurization gypsum, 20 to 40 parts of sewage treatment sludge, 40 to 80 parts of fresh plant waste and 5 to 10 parts of ammonium sulfate; Ca<2+> and Mg<2+> in the coal-fired flue gas desulfurization gypsum replace total exchangeable sodium in the saline-alkali soil, so that the content of the total exchangeablesodium in the saline-alkali soil is reduced, and a better soil environment for the normal growth of crops is provided; the sewage treatment sludge contains a large amount of nutrient substances whichhas rich organic matters, nitrogen, phosphorus and potassium, contains a large amount of anaerobic bacteria, and is convenient for quickly performing anaerobic fermentation on a compost pile; fresh plant waste powder is subjected to microbial decomposition and conversion to form humus, can improve the buffer ability of the soil, and can act with sodium carbonate to form sodium humate, so as to reduce the alkalinity of the soil; main raw materials of a soil modifier provided by the invention are taken from industrial and agricultural wastes, and are low-cost, and the improvement cost and the improvement efficiency of the saline-alkali soil are improved.
Owner:WEIFANG YOURONG IND

Rural domestic sewage treatment system

The invention relates to a rural domestic sewage treatment system which comprises a water storage module and a percolation module; a water storage cavity is formed in the water storage module, the water storage module is provided with a first water inlet and a first water outlet, and the first water inlet is higher than the first water outlet; a percolation cavity is formed in the percolation module, the percolation module is provided with a second water inlet and a second water outlet, the second water inlet is higher than or flush with the second water outlet, and the second water inlet and the first water outlet are communicated and are the same in height; a percolation structure for sewage to pass through is arranged in the percolation cavity, the percolation structure comprises a first perforated plate, a multi-stage percolation layer and a second perforated plate, the multi-stage percolation layer comprises a quartz gravel layer, a first limestone gravel layer and a second limestone gravel layer, and the average particle size of the second limestone gravel layer is larger than that of the first limestone gravel layer; and the average particle size of the first limestone gravel layer is larger than that of the quartz gravel layer. According to the invention, the problems of poor harmless effect and poor sanitary condition of rural domestic sewage treatment are effectively improved.
Owner:四川省生态环境科学研究院
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