22results about How to "Improve composting efficiency" patented technology

The invention relates to the technical field of aerobic composting, in particular to a material turning device for aerobic composting and a layered turning method. The material turning and throwing device for aerobic composting comprises a walking mechanism, a supporting frame and a turning and throwing assembly, the turning and throwing assembly comprises a first turning and throwing roller assembly and a second turning and throwing roller assembly, and the first turning and throwing roller assembly is higher than the second turning and throwing roller assembly and turns and throws materials entering a turning and throwing channel in a layered mode; the second turning and throwing roller assembly comprises a roller shaft, a cutter structure and an adjusting structure used for driving the cutter structure to stretch out and draw back in the radial direction of the roller shaft, a telescopic part of the adjusting structure and the roller shaft are coaxially arranged, the adjusting structure is used for driving an adjusting rod to move in the axial direction of the roller shaft, and a mounting base corresponding to the cutter structure is arranged on the adjusting rod; the cutter structure is connected with the mounting seat through a connecting rod. According to the material turning and throwing device for aerobic composting, the turning and throwing effect is improved, the uniformity of turning and throwing materials is improved, the energy consumption is reduced, and the fermentation period of aerobic composting is shortened.

The invention discloses a bio-fertilizer composting device based on microbial agent addition. The bio-fertilizer composting device comprises a composting tank, the first feeding pipe is connected to the middle part above the composting tank; the multiple inclined retarding plates are connected into the first feeding pipe; the second feeding pipe is obliquely arranged and is connected to the upper part of the composting tank; the annular water pipe is connected to the interior of the composting tank and corresponds to the upper part of the second feeding pipe; the atomizing nozzles are connected to the lower part of the annular water pipe; the discharging pipe is connected to the middle part below the composting tank; the outer gear ring can drive the material scattering box to rotate in the rotating process, so that centrifugal force can be generated when fungicide particles or dry substances fall, and the fungicide particles or the dry substances can be uniformly scattered on the upper surface of a compost material under the action of the centrifugal force, so that the fungicide particles or the dry substances can be uniformly scattered; therefore, the microbial inoculum particles or the dry substances can be uniformly mixed with the composting material, and the composting quality of the fertilizer can be improved while the composting efficiency can be improved.

The present invention discloses a strain of Pseudocanthomonas NJAU‑273, which is classified and named as Pseudocanthomonas Pseudoxanthomonas sp., deposited in the General Microbiology Center of China Microorganism Culture Collection Committee, with a deposit date of March 25, 2024 and a deposit number of CGMCC No.30114. The present invention discloses its application in straw composting. The present invention also discloses the microbial agent prepared by the present invention and the application of the microbial agent in straw composting. Compared with the treatment without inoculation of microbial agent, the treatment with inoculation of NJAU‑273 microbial agent effectively promotes the increase of the temperature of the compost pile, accelerates the composting process, improves the germination index of the compost product, and increases the total nutrients of the compost product.

The invention relates to the technical field of functional microorganism screening and application, in particular to a composting agent capable of composting at low temperature, normal temperature and medium-high temperature as well as a preparation method and application thereof. The decomposition agent comprises an active component and an adsorption carrier; wherein the active ingredients are lysine bacillus, klebsiella and enterobacter; the rice hull biochar is used as a carrier, and the obtained compound microbial agent is a powder microbial agent and can be used for composting and aeration in different temperature environments such as low temperature, normal temperature and medium-high temperature. By screening and optimizing strains and combining with reasonable formula design, the activity of the decomposition agent in low-temperature, normal-temperature and medium-high-temperature environments is remarkably improved, the technical problems of narrow applicable temperature range, low efficiency, poor product quality, potential environmental risk and the like of the decomposition agent in the prior art are solved, annual decomposition can be realized, and the decomposition efficiency is improved. The method is not affected by seasons, resources are fully utilized, and the resource utilization efficiency is improved.

The present invention discloses a composite bacterial agent, including Bacillus NJAU‑190 and Pseudoxanthomonas NJAU‑273. The present invention also discloses its application in straw composting. Bacillus NJAU‑190 helps to increase the temperature in the early stage of composting, and Pseudoxanthomonas NJAU‑273 helps to increase the temperature in the later stage of composting. Compounding the two strains can promote the temperature rise of the entire composting cycle, improve the composting efficiency and improve the composting conversion rate. Compared with the treatment without inoculation of bacterial agent, the treatment with inoculation of NJAU‑190+NJAU‑273 composite bacterial agent effectively promotes the increase of the temperature of the compost pile, accelerates the composting process, significantly improves the germination index of the compost product, and significantly increases the total nutrients of the compost product. Compared with the treatment with inoculation of NJAU‑190 bacterial agent or NJAU‑273 bacterial agent, the treatment with inoculation of NJAU‑190+NJAU‑273 composite bacterial agent also significantly increases the total nutrients of the compost product.

The present invention relates to the technical field of waste treatment, and discloses an integrated kitchen waste recycling and treatment system, comprising a first treatment unit and a second treatment unit, wherein the first treatment unit comprises a pulverizing device, a pretreatment device, a solid-liquid separation device and a composting box connected in sequence, wherein the pretreatment device is used to perform wet heat pretreatment on the kitchen waste, the composting box is connected to the solid outlet of the solid-liquid separation device, the second treatment unit comprises a liquid fertilizer tank, the liquid outlet of the solid-liquid separation device is connected to the liquid inlet of the liquid fertilizer tank, and the liquid fertilizer tank comprises an oil-water separation component. The integrated kitchen waste recycling and treatment system provided by the present invention adopts graded and phased fermentation, can process kitchen waste to the maximum extent, obtain three products of waste oil, liquid fertilizer and solid fertilizer, and can also operate continuously, and is suitable for schools, restaurants and construction sites to carry out separate kitchen waste treatment.

The utility model discloses a waste organic matter compost fermenter which comprises a support, a stirrer, a rotating handle, a locking device and a rotating drum, the rotating drum is used for containing waste organic matter and arranged on the support through a bearing, the locking device is arranged on the support and used for locking the rotating drum so as to lock rotation, and the stirrer is arranged on the rotating drum. When the locking device unlocks the rotating drum, the rotating drum can rotate on the support, the stirrer is rotationally arranged in the rotating drum, the rotating handle is connected with the stirrer and drives the stirrer to rotate in the rotating drum, a solid-liquid separation plate is arranged in the rotating drum, dripping holes are formed in the solid-liquid separation plate, and waste organic matter is located on the solid-liquid separation plate. A liquid discharge pipe, an air inlet pipe and an air outlet are arranged on the rotary drum, the liquid discharge pipe is arranged below the solid-liquid separation plate, the liquid discharge pipe is used for discharging liquid fertilizer, a valve is arranged on the air inlet pipe, the air inlet pipe is used for supplying air into the rotary drum, a filter is arranged at the air outlet, the air outlet is used for discharging gas, and the filter is used for filtering the discharged gas. The waste organic matter compost fermentation barrel can convert organic waste into fertilizer, protects the environment and is suitable for the rural environment.

A method for aerobic composting of Auricularia auricula-judae mushroom residue, relating to the field of Auricularia auricula-judae mushroom residue treatment, is disclosed to address the problems of slow temperature rise, insufficient composting, and unstable product quality associated with existing methods. The method comprises: 1. Mixing Auricularia auricula-judae mushroom residue, cow dung, and chicken dung to obtain a mixture; 2. Inoculating the mixture with lignocellulose-degrading bacteria; 3. Performing aerobic composting fermentation on the mixture after inoculation with lignocellulose-degrading bacteria, employing a staged intermittent composting process. This method promotes the composting and lignocellulose degradation of Auricularia auricula-judae mushroom residue, significantly increasing the composting rate, promoting the biotransformation of Auricularia auricula-judae mushroom residue, improving composting efficiency, and resulting in higher product quality stability. This invention is for the aerobic composting of Auricularia auricula-judae mushroom residue.

The invention discloses a preparation method of a modified additive suitable for low-temperature composting, and belongs to the technical field of waste recycling, and the preparation method comprises the following steps: (1) pretreatment of natural montmorillonite: crushing natural montmorillonite, screening, and adding screened montmorillonite fine powder into a sulfuric acid solution; filtering and separating out unreacted solid impurities, and washing the filtered montmorillonite with deionized water until the pH value of the washing liquid is close to neutral; drying the washed montmorillonite, and further grinding; and (2) montmorillonite modification: dissolving chitosan in glacial acetic acid, dissolving montmorillonite in water, adding the solution into a chitosan acetic acid solution, adjusting the pH value of the solution to 9-11, stirring and aging, and carrying out suction filtration, washing, drying and grinding to obtain the product. According to the preparation method of the modified additive, the natural montmorillonite is modified to improve the physicochemical properties and functionality of the montmorillonite, the modified additive with good compatibility and smooth surface is prepared, and the composting effect can be greatly enhanced.

The invention relates to the technical field of urban residual sludge treatment, and particularly discloses a sludge aerobic composting method based on a carbon-loaded functional fungicide, which comprises the following steps: A1, mixing sludge powder and straw powder, fully soaking the mixture with a pore-forming agent solution, drying, and heating and calcining at high temperature to obtain biomass charcoal; a2, livestock manure, biomass charcoal and straw powder are mixed, aspergillus niger liquid is added into the mixture for fermentation, then compound bacteria liquid is added, fermentation continues, after fermentation is finished, strain protection liquid is added, drying is conducted, and a charcoal-loaded functional bacterial agent is obtained; and A3, uniformly mixing the sludge, the straw powder and the carbon-loaded functional fungicide, and carrying out aerobic composting on the sludge. According to the method, the aerobic composting temperature of the sludge can be increased, the composting time can be shortened, the form of heavy metals in the compost can be changed, the bioavailability of the heavy metals can be reduced, and harmless, reduction and resource utilization of the residual sludge can be realized.

The utility model relates to the technical field of compost turners, and discloses a rake tooth type straw and cow dung compost turner which comprises a fermentation tank, the upper portion of the fermentation tank is connected with a fixed rail, the upper side of the fixed rail is provided with a moving wheel, the middle of the moving wheel is connected with a connecting shaft, and the curved surfaces of the two ends of the connecting shaft are each rotationally connected with a baffle through a bearing. The tops of the two baffles are fixedly provided with the same supporting plate, the driving structure is rotationally arranged between the two baffles and comprises a turning roller, a spiral blade, rake teeth and a cutter, the turning roller is rotationally arranged at the bottoms of the two baffles, the spiral blade is fixedly arranged on the curved surface of the turning roller, the rake teeth are fixedly arranged on the turning roller, and the cutter is fixedly arranged on the turning roller. The cutters are movably arranged between the turning and throwing roller and the rake teeth, centrifugal force generated when the turning and throwing roller rotates enables the cutters on the two sides to be thrown out to cut straw between the rake teeth, blockage caused by the fact that the straw winds the rake teeth is avoided, and then the composting efficiency is improved.

The utility model discloses a combined compost fermentation system, and relates to the technical field of compost barrels, the combined compost fermentation system comprises at least one fermentation barrel, the fermentation barrel comprises a combined barrel body and a barrel cover separably arranged at an upper opening of the barrel body, and the combined compost fermentation system further comprises an electric auxiliary heating system and an oxygen supply system arranged on the barrel body, the electric auxiliary heating system is used for increasing the temperature in the fermentation cavity, the oxygen supply system comprises an oxygen supply pipeline installed on the inner wall of the barrel body and at least one air inlet valve installed on the side wall of the barrel body, the air inlet valve is communicated with the oxygen supply pipeline, the air inlet amount of the air inlet valve can be adjusted, and the oxygen supply pipeline is communicated with the barrel body. A plurality of water guide grooves extending in the vertical direction are formed in the inner wall of the barrel body, and the corresponding vent holes located in the lower plane of the oxygen supply pipeline correspond to the corresponding water guide grooves in position. The air inflow can be adjusted, and meanwhile the composting efficiency is high through the electric auxiliary heating system.

This invention provides a method and application for preparing bio-organic fertilizer through synergistic composting of biochar-containing biogas residue, belonging to the field of organic fertilizer preparation technology. The method includes: preparing biogas residue through anaerobic fermentation of livestock and poultry manure and crop straw; adding biochar and a compound microbial agent; conducting high-temperature aerobic composting; and obtaining bio-organic fertilizer through maturation and aging. The amount of biochar added is 5%-10% of the dry basis weight of the composting raw materials; the aerobic composting time is 35-45 days; and the high-temperature composting temperature is 55-65℃. The compound microbial agent includes *Bacillus steatophilus*, *Bacillus amyloliquefaciens*, and *Bacillus mucilaginosus*. The bio-organic fertilizer obtained by this invention can be used for crop soil improvement. This invention, through the synergistic effect of biogas residue, biochar, and compound microbial agent, effectively shortens the composting cycle, improves compost maturity, reduces nitrogen loss, passivates heavy metals, and significantly improves the quality of organic fertilizer.

The invention belongs to the technical field of waste resource utilization, discloses an agricultural waste rapid composting inoculant and a method for producing an organic fertilizer by using the agricultural waste rapid composting inoculant, and separates a strain NJZ5 capable of rapidly decomposing various cellulose-rich wastes at the temperature of 50 DEG C. When the agricultural waste rapid composting microbial inoculum fertilizer is applied to agricultural production, not only can a specific fertilizer effect be obtained, but also sufficient energy is provided for functional microorganisms through sufficient organic substances, so that the functional microorganisms are easy to colonize in soil, and the yield of the functional microorganisms is improved. The effects of promoting absorption of crops to nutrient elements, stimulating plant growth, antagonizing some soil-borne pathogenic microorganisms and the like are fully exerted; the NJZ5 composting inoculant can obviously improve the composting temperature and shorten the composting period, and the composting period can be controlled to be about 30 days.

The invention discloses a tobacco waste organic fertilizer containing fruit tree branches and a preparation method thereof, and relates to the technical field of chemical fertilizers, and the preparation method comprises the following steps: taking fruit tree branch particles, tobacco waste particles and auxiliary material particles, and uniformly mixing to prepare a compost material; adding 0.1-0.2% of a decomposition microbial inoculum, and uniformly mixing for later use; stacking the uniformly mixed compost material into strip stacks; after the strip pile is stacked, turning the pile in time, and maintaining the temperature of the pile body at 55 DEG C for at least 15 days; moving out of the composting site, continuously stacking for 20-30 days, and turning during the period to obtain a fermented fertilizer; drying the fertilizer with high water content until the water content is lower than 30%, crushing the caked fertilizer, and storing the crushed fertilizer in a shady, cool, ventilated and dry place to obtain a compost product. According to the invention, the composting process is accelerated, the content of nicotine in the tobacco waste organic fertilizer is reduced, organic matters in the tobacco waste are fully utilized, and the contents of total nitrogen, total phosphorus and total potassium are increased.

The invention provides a human manure composting method, and belongs to the technical field of aerobic composting. According to the method disclosed by the invention, the crushed agricultural wastes are used as auxiliary materials for composting the human manure, so that the humification degree of the compost can be improved, the composting temperature can be increased, the high-temperature time can be prolonged, the degradation of cellulose and hemicellulose can be promoted, the structure and composition of a microbial community can be changed, the positive interaction of microorganisms can be promoted, and the composting efficiency and the composting quality can be improved. The crushed agricultural wastes and the human manure are mixed according to a C / N ratio of 20, so that the growth and metabolic activity of microorganisms can be ensured, and the compost decomposition speed is further ensured. In addition, the moisture content of the mixture is adjusted to be 50%-70%, so that microbial activity is facilitated, organic matter decomposition is accelerated, and the composting efficiency and effect are improved. According to the method, through reasonable arrangement, resource utilization of agricultural waste is achieved while high-efficiency composting is achieved, and the method has the advantages of being easy to operate, wide in raw material source and low in cost.

The invention discloses a detonating compound microbial agent for activating aerobic composting carbon and nitrogen emission reduction and application thereof, and belongs to the technical field of microbial agent preparation. The preparation method comprises the following steps: screening bacillus subtilis, pseudomonas aeruginosa and gamma-aminobutyric acid to form a compost detonating agent, using chlorella, spirulina platensis and staphylococcus pasteurii to form a phycomycete symbiont as an auxiliary agent, and using a mixture of corncob powder and zeolite powder as a strain carrier; the prepared detonating compound microbial agent for activating aerobic composting carbon nitrogen emission reduction has the advantages of promoting carbon nitrogen emission reduction, being small in addition amount, high in composting efficiency and high in environment adaptability, is suitable for fermentation of organic matter such as crop straw and livestock and poultry manure, is wide in application range and has wide market application prospects.

The invention discloses a landscape garden waste resource recycling device in the technical field of waste resource recycling, the device comprises a box body, the box body is internally provided with a crushing chamber, a sieve plate, a collection chamber and a fermentation chamber from top to bottom, one side of the collection chamber is communicated with an opening, and one side of the top end of the fermentation chamber is communicated with a crushed material inlet; one side of the bottom of the box body is communicated with a fertilizer outlet; one side of the box body is provided with an electric control cylinder; an output shaft of the electric control cylinder is fixedly connected with a sealing plate; a first driving part is arranged in the crushing chamber; a controller is arranged above the first motor, the first motor and the second motor are electrically connected with the controller, and the electric control cylinder is in signal connection with the controller. The garden waste treatment device is simple and easy to operate, sucked garden waste is screened and crushed through the crushing assembly and the sieve plate in the box body, and therefore the problem that compost impurities are too many is solved.

The invention discloses a directional domestication method of an acid-resistant cellulose degradation flora and application of the acid-resistant cellulose degradation flora in phosphogypsum composting, the directional domestication method comprises the steps of bacterium source collection, microorganism enrichment, acid screening and directional domestication, an acid screening culture medium is prepared from 1g / L of KH2PO4, 0.3 g / L of MgSO4. 7H2O, 0.1 g / L of CaCl2, 0.01 g / L of FeCl3, 2.5 g / L of NaNO3, 0.1 g / L of NaCl and 20-40g / L of waste biomass, and the pH is 3-6; a domestication culture medium is an acidic screening culture medium and 8-24g / L of phosphogypsum. The acclimatization is carried out to obtain the acid-resistant cellulose degradation flora, the degradation of waste biomass can be carried out in a composting system with the pH value of 3-6 and ardealite as a raw material, the acid-resistant cellulose degradation flora has the advantages of good acid tolerance, strong adaptability and low competitiveness, and the composting efficiency is improved.

The utility model is suitable for the technical field of treatment equipment, and provides a composting device. The composting device comprises a composting container which is provided with a composting space for accommodating composting materials and can rotate; the cutting piece is arranged in the composting space, can rotate relative to the composting container and is used for cutting the composting materials in the composting space; the spraying piece is arranged in the composting space and is used for spraying liquid into the composting space. The rotating composting container can enable composting materials in the composting space to be continuously turned over and mixed, the rotating cutting piece can cut and crush the composting materials, and under the combined action of the composting container and the cutting piece, the contact area of the composting materials, air and microorganisms can be remarkably increased, so that the composting materials can be effectively decomposed. Therefore, the decomposition effect of microorganisms in the composting process is effectively accelerated, the time consumed by composting is shortened, and the composting efficiency is improved.

The utility model relates to the technical field of fertilizer discloses a compost spraying device, including support leg, the inside sliding joint of support leg has support frame, the inner top of support frame is fixedly connected with the fender, the lateral wall of support frame is opened and is equipped with the adjusting groove, the top of support frame is provided with the water tank, the lateral wall of water tank is connected with the water pipe, the lateral wall fixedly connected with servo motor of support frame, the output fixedly connected with first belt pulley of servo motor, the outer surface of first belt pulley is provided with the mechanism of turning over, in the utility model, through the setting of servo motor, first belt pulley, belt, second belt pulley, turning over frame, spray pipe and spray head, satisfy the effect of turning over and spraying to compost, avoid the top humidity of compost in the process of spraying to reach the standard but the internal humidity is not enough, lead to the situation that the microbial activity drops, compost is difficult to rot, be favorable to the efficiency of compost and the quality of compost product of improvement.

The utility model discloses an animal excrement composting device, including composting bucket, composting bucket is cylindrical structure, and the bottom of composting bucket is plane structure and is provided with four supporting legs, and the top of composting bucket is open type interface and is hinged with upper cover plate. The device improves the composting efficiency of animal excrement through the synergies of stirring mechanism, gas injection mechanism and heating plate. The spiral stirring blade ensures uniform mixing of materials, promotes full contact between aerobic microorganisms and excrement, the annular pipe design of the gas injection mechanism uniformly delivers oxygen through multiple exhaust ports, optimizes the aerobic fermentation environment, and the heating plate is attached to the inner wall to provide stable heat, maintain the appropriate fermentation temperature, and shorten the composting period. The temperature sensor monitors in real time and automatically adjusts the operating state of each component through the controller to avoid temperature fluctuations during the fermentation process. This multifunctional integrated design makes the composting process more efficient, especially suitable for small and medium-sized farms to quickly process excrement and produce high-quality organic fertilizer.