166results about How to "Improve composting efficiency" patented technology

The invention discloses a fermentation device for sludge compost treatment and a treatment method using the same. The device comprises a fermentation cabin body, wherein the bottom of the fermentation cabin body is externally provided with a forced ventilation device; a filter layer is laid at the bottom of the inner cavity of the fermentation cabin body; a percolate collecting groove is arranged under the filter layer; and the top of the fermentation cabin body is connected with the bottom of a waste gas treatment system through a pipeline. The treatment method disclosed by the invention comprises the following steps of: firstly, adding an organic conditioner to regulate the water content and C/N of sludge so as to form sludge composting, and then simultaneously inoculating a composite bactericide suspension and a surfactant solution in the sludge composting; then placing the sludge composting in the fermentation device disclosed by the invention, and carrying out primary fermentation by adopting batch-type static forced ventilation treatment; and finally, carrying out secondary fermentation so as to complete compost treatment. The treatment method disclosed by the invention is high in resource utilization rate and treatment efficiency, is environment-friendly and safe, and is especially suitable for small-sized sewage treatment plants.

The invention provides a high-temperature-resistant bacillus licheniformis strain NJAU-ND8 for acceleration of compost maturity and application of the strain. The preservation number of the bacillus licheniformis strain NJAU-ND8 is CGMCC No.16737, and the strain is applied for acceleration of compost maturity. An application method includes the following steps of uniformly mixing manure of livestock and poultry with auxiliary materials according to a certain C/N rate, then inoculating the liquid strain, adopting a strip-shaped stack fermentation process after strip-shaped stacks are formed, and performing overturning and throwing for fermentation. Compared with a contrast without the strain, the application has the advantages that by adding the strain, temperature raising for the stacks inthe early stage of composting is facilitated, the stacks are pushed to enter a cooling period in advance, thus the increase of a germination index of a compost product is promoted, and the decline ofthe C/N rate of the stacks into a compost maturity range is accelerated.

The invention discloses a composting method capable of carrying out damp and hot preprocessing to accelerate the composting of livestock excrement. The composting method comprises the following specific steps: firstly, mixing the livestock excrement with conditioner to regulate a moisture content, a carbon nitrogen ratio and a pH (Potential of Hydrogen) value; then, heating, and maintaining damp and hot preprocessing for 1-4h after the temperature of materials is raised to 80-95 DEG C; after the materials are cooled to 50 DEG C, inoculating organic material decomposition agent to carry out secondary aerobic composting, and ensuring that the materials are completely composted until a fermentation temperature is lowered to environment temperature and does not change. Compared with conventional composting which does not carry out the damp and hot preprocessing, the composting method disclosed by the invention is characterized in that the damp and hot preprocessing is combined with organic material decomposition agent inoculation, so that composting temperature can be obviously improved, a composting period is shortened, meanwhile, nitrogen losses in a composting process can be reduced, a composting humification course is accelerated, the content of humus is improved, and the quality of the composting product is guaranteed.

The invention discloses a fertilizer special for a clausena dentate tree and a production method thereof. The fertilizer is characterized by being prepared from the following raw materials in parts by weight: 40 to 50 parts of inorganic fertilizer, 20 to 30 parts of organic matter, 10 to 15 parts of pineapple waste residues, 10 to 15 parts of edible fungi residues, 5 to 10 parts of compound amino acid, 0.1 to 0.5 parts of trace elements and 2 to 4 parts of pest repellent. The fertilizer has the effects of fixing nitrogen, activating phosphor and releasing potassium; meanwhile, due to the fact that the trace elements are contained, nutrition is timely supplemented in a clausena dentate tree growing process, the content of organic matter in soil can also be increased, and a soil environment is improved; the fertilizer also has the effect of propelling pests; after being fertilized, the clausena dentate tree is good in growing trend, the quality is improved, the yield is improved by over 10 percent, and the economic benefit is greatly improved.

The invention provides a pig manure and medicine slag fermentation organic fertilizer as well as a preparation method and application thereof, and belongs to the technical field of organic fertilizerpreparation. The organic fertilizer is prepared from the following raw materials in parts by weight through fermentation: 50 to 70 parts of pig manure, 25 to 40 parts of thoroughly decomposed anemarrhena pill medicine slag, 10 to 30 parts of corn stalk subjected to blasting pretreatment, 10 to 20 parts of oyster shell powder, 5 to 8 parts of potassium fulvic acid, 3 to 5 parts of molasses, 1.5 to3.5 parts of EM germ compost fermenting agents and 0.02 to 0.07 part of cellulase. The enzyme activity of the cellulase is one hundred thousand to two hundred thousand U/g, wherein the thoroughly decomposed anemarrhena pill medicine slag is obtained by fermenting and thoroughly decomposing medicine slag through trichoderma virens F7 strains; the preservation code of the trichoderma virens F7 strains is CGMCC 3.17613. The organic fertilizer is prepared from the raw materials through twice fermentation. The organic fertilizer has rich nutrition; the nutrition proportioning is reasonable; the organic fertilizer can be applied to crop planting.

The invention discloses an agricultural organic waste efficient composting method, belongs to the technical field of waste treatment and aims at solving the problem that composting efficiency is low in the prior art. The agricultural organic waste efficient composting method comprises the following steps: (1) putting crop straws, livestock breeding faeces, organic decomposable ingredients in ruralsolid household refuse and humus into a reaction barrel, mixing to obtain a compost fermentation raw material, adding decomposing microbial inoculums into the compost fermentation raw material to obtain a compost material, making the compost material in to a cone, fermenting, forcibly ventilating from the two sides of the reaction barrel in a fermentation process, turning over for three times every week in first two weeks during composting, then turning over twice every week, appropriately replenishing water during turning over, controlling moisture content to be 55%, and composting and continuously reacting for 30-36 days; and (2) lowering temperature of the compost material in the reaction barrel to be below 35% and adjusting the moisture content to be 50-70%, inoculating earthworm population according to a ratio of 4-6kg/m<3>, digesting and degrading, and completing digestive treatment after 60-80 days, so that the final product is obtained. The agricultural organic waste efficientcomposting method disclosed by the invention is applied to agricultural organic waste composting treatment.

The present invention relates to new technological process of aerobically composting sludge with suspended biological carrier normally used in sewage treatment as the amendment. The sludge material is added with wood dust in 5-15 wt% of sludge and suspending biological carrier stuffing in 5-10 wt% of sludge as the amendment to make the stirred material possess water content of 60-70 %. The aerobic fermentation apparatus is dynamically controlled I ventilation and stirring frequency for fast composing treatment. Finally, the suspending biological carrier stuffing is sieved out for reuse. The new amendment of the present invention has good attaching performance, no loss and reuse, and the present invention has high composing efficiency.

The invention discloses a method for making an organic fertilizer for Clivia miniata and relates to a method for making an organic fertilizer. The invention solves the technical problems that the conventional fertilizer which is composted by using manure of livestock and poultry and a common carbon source is weakly alkaline, is not suitable for the growth of the Clivia miniata, and is long in composting time. The method comprises the following steps of: 1, uniformly mixing fish scale or fishbone dust, leaves or straws, manure of livestock and poultry and soil, spraying a microbial fermentation inoculum, and regulating the moisture to obtain a material; 2, piling the material into a windrow, covering a plastic film on the surface layer of the windrow, and composting; and 3, drying and crushing to obtain the organic fertilizer for the Clivia miniata. By the method, the composting time is shortened from 15 months to 4 months; and the prepared organic fertilizer for the Clivia miniata is weakly acidic and meets requirement on the pH value of the soil for the growth of the Clivia miniata.

The invention discloses a method for rapid aerobic composting, comprising the following steps: uniformly mixing excess sludge after sewage treatment with straw, placing the mixture in a composting reactor for segmental aerobic composting, and then post-decomposing to obtain a fertilizer, wherein the segmented aerobic composting includes a medium temperature stage, a high temperature stage and a harmless stage. In the medium temperature stage, the composting temperature is controlled to 30-40 DEG C, and the composting time is 10-24 hours; in the high temperature stage, the composting temperature is controlled to 50-60 DEG C and the composting time is 46-60 h; and in the harmless stage, the composting temperature is controlled to 60-75 DEG C, and the composting time is 1-3 h. By the segmented aerobic composting, the composting reaction speed can be accelerated, and the time of composting compost materials is shortened to 72 hours. Thereby, composting cost is greatly saved, and the sanitary environment is remarkably improved. In addition, the segmented aerobic composting method can help realize thorough harmlessness of composting and eliminate secondary pollution of decomposing. Decomposed materials are odorless and tasteless, forced ventilation is not required, and the post-decomposing process is greatly simplified.

The invention relates to a roller type composting reactor with composting tail gas waste heat recovery and purification functions. The roller type composting reactor includes a fermentation roller, anaeration system, a tail gas recovery system, a tail gas utilization system, a power system and monitoring system; the fermentation roller is installed on a base, and the feed end and discharge end ofthe fermentation roller are connected with a raw-material pretreatment system and a subsequent processing device respectively; the air discharge end of the aeration system is communicated with the inside of the fermentation roller through the feed end of the fermentation roller; the tail gas recovery system is communicated with the inside of the fermentation roller through the discharge end of the fermentation roller; the tail gas utilization system is used for recycling tail gas in the fermentation roller, the power system is installed on a base on the lower portion of the middle of the fermentation roller and used for providing power to operation of the fermentation roller; the monitoring system is connected with the fermentation roller, the aeration system, the tail gas recovery system, the tail gas utilization system and the power system through a communication network. The reactor can be widely used in the field of composting.

The invention discloses an efficient aerobic composting oil removing preparation for kitchen waste. The efficient aerobic composting oil removing preparation comprises grease degradation bacteria, nutrition activators and surfactants. The grease degradation bacteria include bacillus subtilis, bacillus coagulans or/and bacillus licheniformis; the surfactants are neutral surfactants without disinfection effects. The invention further provides a method for preparing the efficient aerobic composting oil removing preparation. The method includes steps of (1), weighing the grease degradation bacteria and the nutrition activators according to a weight ratio, stirring the grease degradation bacteria, the nutrition activators and water, mixing the grease degradation bacteria, the nutrition activators and the water with one another to obtain mixed liquid and then allowing the mixed liquid to stand still at the room temperature for 2-4 hours; (2), adding the surfactants into the mixed liquid obtained at the step (1), mixing the surfactants and the mixed liquid with one another and dissolving the surfactants in the mixed liquid to obtain the efficient aerobic composting oil removing preparation. The efficient aerobic composting oil removing preparation and the method have the advantages that grease can be emulsified, the microbial grease degradation speeds can be increased, in other words, the composting efficiency of the kitchen waste can be improved, and the grease content can be reduced and reaches 5%-7% from the original 25%-28% within 48 hours.

The invention discloses a household garbage fermentation and fertilizer making device and method. A device body is a fermentation bin. A feed inlet and an air outlet are formed in the upper portion of the fermentation bin. A feeding baffle is arranged at the feed inlet. The lower portion of the fermentation bin is provided with a liquid outlet used for draining percolate and a discharge outlet used for outputting fermented materials. A breaking device is arranged in the fermentation bin and composed of a plurality of sets of breaking blades distributed in a cross shape, and has two perpendicular rotary dimensionalities. Household garbage to be treated passes through a spiral conveying machine through the feed inlet to enter the fermentation bin where a hot water pipeline is laid, is broken and fermented and then enters a dehydration pelleting and drying system from the position of a discharge baffle. According to the household garbage fermentation and fertilizer making device and method, breaking, stirring, heating, fermentation, dehydration pelleting and drying are integrated, garbage is converted into fertilizer, the energy is nature is effectively utilized, the running cost is reduced, the resources are effectively utilized while the environment problem is solved, the garbage is made profitable, and a new approach for effectively treating household garbage is provided.

The invention provides a multi-compartment energy-saving aerobic composting device and a composting method thereof. The device comprises a crushing and mixing chamber, a multi-compartment fermentationand decomposition chamber, a leachate treatment layer and a leachate indication layer. Peculiar smell and flies are removed by filling lemon grass, wormwood, lavender, coconut residues, cinnamomum camphora sawdust and mature fertilizer; a high-quality composting space is created, materials are accurately added into the crushing and mixing chamber, and the C/N ratio of the composting materials iscontrolled from the source, so that the temperature and the humidity of a compost body can be effectively controlled in a natural aerobic ventilated environment to obtain a high-quality composting product, and mechanical turning and aeration are not needed. According to the invention, fermentation, decomposition and leachate treatment are integrated under a natural aerobic condition, peculiar smell and flies are not generated, the environmental safety is maintained, and the utilization rate of raw materials is improved by multi-compartment co-composting.

The invention relates to organic fertilizer prepared from straw and a preparation technology of the organic fertilizer. The technology comprises steps as follows: pretreatment of straw: the prepared straw is divided into dry and wet straw according to the moisture content and aired, mixed and crushed; the straw, auxiliary materials and a leavening agent are mixed and sent into a mixer to be evenly stirred, and a proper amount of water is added; piling up and fermentation: the mixture is piled into trapezoid strip stacks in a fermentation field and signboards are inserted into the stacks for identification; pile turning is performed to facilitate full fermentation, the fermentation is finished until upper materials have no peculiar smell, and the materials are aired; fermented compost is evenly spread on an airing field, the spreading thickness is not larger than 20 cm, and the materials are turned frequently to be aired evenly and quickly; crushing and screening: the compost can be crushed and screened by a screen after aired until the moisture is lower than 25%; the crushed and screened fertilizer is packaged and put in storage. The organic fertilizer and the preparation technology have the advantages that the cost is low, the efficiency is high, the operation is convenient, the implementation is convenient, and the like.

The invention discloses rapid composting device and method suitable for rural areas in North China. Mainly aiming at the problems that during the composting treatment of husbandry wastes by the existing composting technology, the temperature of a compost body is easily influenced by ambient temperature and the compost body is poor in ventilation effect, is not overturned very well, and is fermented for a long term, the invention provides the rapid composting device suitable for rural areas in North China. The device can be adapted to the low temperature characteristic of northern areas in autumn and winter, so as to achieve the effects of improving the fermentation temperature of the compost body, shortening fermentation starting time, realizing mechanical overturning, shortening the composting temperature in autumn and winter in northern areas and improving fertilizer producing efficiency. Simultaneously, The invention provides a composting method utilizing the device. According to the method, the rapid composting device is used together with a cellulose fungicide extracted from a corn fermentation product, so that the composting and conversion efficiency of straw and the like is improved, and the composting time is shortened.

The invention discloses a three-stage inoculation process and microbial agents for composting a lignocellulose raw material. In three-stage inoculation, the microbial agents are a high temperature agent, a lignocellulose degrading agent and a cellulose degrading agent, the conventional one-time addition of the agents is changed into three-time addition, the high temperature agent is added in the early stage of piling to ensure that a pile body is subjected to high temperature and the influence of the high temperature on the lignocellulose degrading agent is avoided; the lignocellulose degrading agent is added in the later stage of high temperature and effectively degrades lignocellulose, and the lignocellulose is prevented from resisting cellulose degradation; and the cellulose degrading agent is added in the later stage of the action of the lignocellulose degrading agent to degrade cellulose. In the new three-stage composting fermentation inoculation process, the effects of the high temperature agent, the lignocellulose degrading agent and the cellulose degrading agent can be fully achieved, the composting efficiency is improved, the composting quality is improved, the composting period is shortened, and the process is a new process for composting the lignocellulose raw material.

The invention discloses a composite microbial agent and an application thereof in composting treatment of pathogen-infected animal carcasses. The composite microbial agent comprises mixed bacteria composed of acillus licheniformis and anoxybacillus beppuensis according to any proportion. The composite microbial agent can utilize different-stage physicochemical environments during a compost heaping process, overcomes adverse effects brought by inappropriate physicochemical properties, promotes rising of a pile temperature in a relay temperature rising manner, and effectively prolongs the duration time of a compost high temperature period. With combination of a mixed bacteria liquid culture medium provided by the invention, the composite microbial agent can be effectively applied to rapidly increase the compost pile body temperature, also is used for the composting treatment of the pathogen-infected animal carcasses, and improves the composting efficiency.