531results about "Fertiliser treatment control" patented technology

The invention discloses a method and a device for high-temperature rapid fermentation on agricultural waste to produce an organic fertilizer. The device comprises a material storage system, a heating system, a stirring system, a dehumidification and biodeodorization system, an oxygenation system, a feeding and discharging system and electric automatic control systems, wherein the material storage system comprises a U-shaped fermentation tank and an overall rack; the heating system comprises a heating insulating jacket, heat-conducting oil and an electric heating tube; the stirring system comprises a gear motor, a stirring shaft and a dual-layer spiral mixing blade; dehumidification and biodeodorization system comprises a dehumidifier and a biodeodorization filter material; the oxygenation system comprises an air compressor and an oxygen delivery pipeline; the feeding and discharging system comprises a feeding hole and a discharge hole; the electric automatic control systems of various units are uniformly connected to an electric control box. According to the method and the device, agricultural waste and thermophilic composite microbial agents can be evenly stirred and mixed, and are rapidly heated, so that the temperature in the device reaches 80-100 DEG C; harmful microorganisms and pathogens in the waste can be effectively inactivated; meanwhile, the activity of the thermophilic composite microbial agents is activated; and the organic fertilizer product is produced within 9 hours.

The present invention relates to a process wherein organic material derived from plant and animal material is processed to recover nutritional elements. In particular, there is provided a process for releasing nutritional elements from plant and animal material comprising the steps of treating the material with one or more enzymes to digest said material under appropriate conditions and separating the resulting liquid hydrolysate from the undigested material.

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.

The invention provides a fermented carbon-based bio-organic fertilizer and a preparation method thereof and relates to the technical field of preparation of bio-organic fertilizers. The fermented carbon-based bio-organic fertilizer is mainly prepared from, by mass, 10-18 parts of biomass charcoal, 3-8 parts of fish meal, 3-8 parts of bone meal, 5-9 parts of rice bran, 8-12 parts of vermiculite, 25-35 parts of common organic fertilizer, 60-80 parts of humus and 0.5-1 part of EM bacteria and biocontrol growth-promoting bacteria mixed according to the mass ratio of 1 to 1. The method comprises the following steps that 1, a fungicide is prepared and pretreated; 2, the carbon-based bio-organic fertilizer is prepared. The invention aims to prepare the carbon-based bio-organic fertilizer. Namely, the biomass charcoal, a functional microbe, the organic fertilizer and an organic substance including the rice bran, the bone meal, the fish meal or a cake fertilizer and the like are used as main raw materials, and a solid-state aerobiotic superficial layer fermentation technology is utilized to prepare the novel fertilizer having large functional microbe quantity, high activity and strong soil adaptability and effectively improving the soil fertility.

An inclined reactor of bottom gas-inlet type for aerobic fermentation and a method for aerobic fermentation are provided, a fermenter is provided with a circular inner tank, end covers and a jacket; an airtight fermentation space is formed in the fermenter by the inner tank, an upper end cover and a lower end cover; a feed opening and an exhaust outlet are arranged at an upper part of the fermenter, and a discharge opening is arranged at a lower part of the lower end cover of the fermenter; a length of the fermenter is greater than or equal to a diameter of the fermenter, the fermenter is fixed on a base having a height difference and is hence in an inclined state; an energy-saving stirrer is mounted in the fermenter, and the energy-saving stirrer is formed by connecting several groups of tangential plates or a spiral combination of tangential plates, a radial rod, a stirring rod and a stirring shaft; several groups of air chambers are arranged at an external wall at the bottom of the inner tank of the fermenter, the air chambers are arranged inside the jacket, several aeration nozzles are defined on an inner side of each air chamber, and the aeration nozzles are close to the inner tank.

The invention provides a vegetable residue, crop straw and livestock and poultry excrement combined composting process. An aerobiotic and anaerobic combined composting mode is adopted in the process. The process comprises the steps of material pretreating, mixing, composting, primary fermenting, secondary fermenting, thorough decomposing, sieving or smashing, compost preparing and the like. Crop straw with a high-carbon nitrogen ratio is used, and the problems of high moisture content, low carbon-nitrogen ratio and poor air permeability existing in the high-temperature aerobiotic composting process of vegetable residues are effectively solved; according to the process, the nutrients and moisture of the vegetable residues can be utilized, harmless treatment can be carried out on the vegetable residues, the crop straw and livestock and poultry excrement through high-temperature composting, organic compost is produced, and resource utilization of planting and breeding waste is achieved.

A composting system including a vertically-orientated vessel with a range of mechanisms attached to a vertically oriented central mounted rotating shaft, including rotatable size reduction blade(s), agitation mechanism(s), and discharge blade / mechanism(s). The composting system includes internal size reduction mechanism for reducing the size of waste and / or organic material introduced to the vessel. The composting system includes a loading hatch through which material may be introduced into the vessel, a discharge hatch through which material may be removed from the lower region of the vessel, and a source of air to maintain aerobic conditions within said vessel. When the apparatus is in use, material introduced to the vessel moves from the upper region of the vessel gravitationally and via agitation through a zone of size reduction to the lower region of the vessel. Process conditions within the vessel are controlled via intervention by an operator and via electronic control mechanism, which can monitor operating conditions such as temperature and loading rate (for example), to manage air injection, mechanical agitation and size reduction such that composting proceeds efficiently and at an optimal rate.

The invention relates to the technical field of organic solid waste treatment and renewable energy treatment, in particular to a kitchen waste, municipal sludge and forestry and agricultural residue fermentation tank ultrahigh-temperature aerobic fermentation composting method which comprises the following steps: (1) pretreating; (2) fermenting in a fermentation tank at ultra-high temperature: 1)adjusting physicochemical indexes; 2) building a pile; 3), aerating; 4), turning and throwing; 5), inoculating extreme thermophilic microorganisms; and (3) screening the decomposed material, transporting the undersize material as a finished product, and refluxing and utilizing the oversize material. According to the method, the kitchen waste, the municipal sludge and the forestry and agriculturalresidues are used as raw materials for mixed fermentation, decomposed substances are organic fertilizers and can be reused for soil, and waste is turned into wealth. According to the method, the fermentation temperature exceeds 80 DEG C, the highest fermentation temperature can reach 110 DEG C, the fermentation temperature is high, the fermentation period is short, organic matter decomposition isfast, germs, viruses and worm eggs in the garbage are effectively killed, and garbage reduction, harmlessness and resourceful treatment are fast achieved.

The present invention relates to a method of composting and treating food waste by using wood chips and an apparatus therefor. The method and apparatus for the composting and treatment of food waste in accordance with the present invention can recycle food waste as an organic compost by using wood chips in an eco-friendly manner and convert effluents generated from said food waste into an effluent satisfying water quality suitable for discharging by a combined biological and chemical process. Therefore, the present invention can be effectively used for recycling and treating food waste.

The invention provides a method for making a biological fertilizer by utilizing livestock and poultry waste. Feces (excrement) produced in a livestock and poultry farm area is delivered to a feces storage tank, a wind driven jet flow stirrer breaks feces into thin paste, the thin paste is fed into a biochemical hydrolysis tank through a water passing port formed in a partition wall for the feces storage tank and a biochemical hydrolysis tank for biochemical pretreatment, then a submersible sewage pump delivers the feces to a movable feces sprinkler through a pipe and is uniformly sprayed onto smashed crop straws in a device for making the biological fertilizer by utilizing the livestock and poultry waste, a liftable movable turning and throwing machine arranged on the b device for making the biological fertilizer by utilizing the livestock and poultry waste uniformly turns and throws the feces, a fungicide and the smashed crop straws, mixed fermentation is performed to make a biological organic fertilizer, percolate produced in the fermentation process flows back to the biochemical hydrolysis tank through a percolate draining pipe for reutilization, and a finished product fertilizer is discharged out of a feeding-discharging port. The method is novel, unique, scientific, reasonable and environment-friendly, the raw materials are rich and easy to produce, the effect is good, energy is saved, and economic and social benefits are huge.

The embodiment of the invention provides a river mud treatment method which comprises the following steps: (1) obtaining rotted river mud for composting; (2) uniformly mixing river mud to be treated, the rotted river mud for composting, a microbial agent and a carrier material, thus obtaining a mixture, wherein a ratio of the volume sum of the rotted river mud for composting, the microbial agent and the carrier material to the volume of the river mud to be treated is (0.06 to 0.15): 1, and the volume ratio of the rotted river mud for composting to the microbial agent to the carrier material is (1 to 3): (0.05 to 1): (15 to 30); and (3) stacking the mixture at a ventilating place for aerobic fermentation, turning the mixture in a fermentation process, and after fermentation is performed for 5 to 15 days, obtaining composted rotten river mud. According to the method provided by the embodiment of the invention, the use amount of the microbial agent in a river mud composting process can be reduced.

A composting system for promoting aerobic microbial activity in a composting bed. The system includes at least one composting bay for receiving composting material and an agitator for aerating and displacing composting material as it travels through the composting bay. Compost produced by the system is used in place of traditional woody amendment material for mixing with incoming material to be composted.

The present invention relates to a process wherein organic material derived from plant and animal material is processed to recover nutritional elements. In particular, there is provided a process for releasing nutritional elements from plant and animal material comprising the steps of treating the material with one or more enzymes to digest said material under appropriate conditions and separating the resulting liquid hydrolysate from the undigested material.

The invention relates to a resource utilization method for livestock breeding waste. The method comprises steps as follows: manure in a livestock farm is washed with clear water and sieved with a grid, and sieve residues and waste water are obtained; the waste water is introduced into a biogas fermentation unit to be fermented, and biogas is generated; biogas residues and a part of biogas slurry are returned to the biogas fermentation unit after fermentation, and the other part of the biogas slurry is made into a concentrated liquid fertilizer through a membrane concentration method; the sieve residues and dry livestock manure are mixed and sent to a pre-fermentation tank to be pre-fermented, and a fermentation substrate is obtained; the biogas residues and the fermentation substrate are fermented at a controlled temperature in a compost unit and crushed into fine powder, the fine powder is pelletized, dried and packaged, and an organic fertilizer is obtained. With the adoption of the method, high-value utilization and reduction of pollutants of the livestock breeding waste resources are realized, and the purposes of recycling the resources and reducing emission of the pollutants are achieved.

The invention discloses an automatic earthworm biological-composting sludge disposal system and an application method thereof. The system comprises a biological lixiviation pre-treatment system, a static decomposing pre-treatment system, an automatic feeding system, a modular composting system and an automatic earthworm / cocoon screening and collecting system. The biological lixiviation pre-treatment system and the static decomposing pre-treatment system are used for pre-treatment of materials for culturing earthworm, and the treated materials are delivered in the automatic feeding system for automatic feeding to an earthworm box; after feeding to the earthworm box is finished, earthworm cocoons are fed in, and the modular composting system is used for culturing the earthworm cocoons; the raw materials and auxiliary material in the earthworm culture box are screened and collected as three types of products, namely, earthworms, earthworm cocoons and wormcast through the automatic earthworm / cocoon screening and collecting system. The system has the advantages that manual work and cost are both reduced while output is increased by application of a high-automatic production mode; earthworms, earthworm cocoons and wormcast are separated thoroughly at one step and pure wormcast with good effect is obtained; the difficulty in thorough separation between the parent and the filial generation of earthworms is overcome.

The invention discloses a composting reactor system capable of achieving intelligent layered aeration. The composting reactor system capable of achieving the intelligent layered aeration comprises a tank, a feeding system, a discharging system, a stirring system, an aerating system and a control part, wherein a plurality of supporting beams with different heights are arranged inside the tank; the aerating system comprises aerating pipelines, gas concentration sensors, a gas supply manifold and valves; the aerating pipelines are arranged on first side surfaces of the supporting beams and are provided with a plurality of aerating holes; the gas concentration sensors are arranged on second side surfaces of the supporting beams and are used for detecting the concentration of predetermined gas at the heights of the supporting beams inside the tank; the gas supply manifold is communicated with each aerating pipeline and supplies gas; each valve is arranged inside each aerating pipeline, is positioned at a connecting end of each aerating pipeline and the gas supply manifold, and can be opened and closed under the control of the control part. When the gas concentration sensor arranged on the supporting beam detects that the concentration of the predetermined gas is lower than or higher than a predetermined value, the valve in the aerating pipeline arranged on the same supporting beam is opened under the control of the control part so as to aerate the tank through the aerating holes.

The invention relates to an intelligent control method and system for a microbial decomposition process of organic matters. The invention aims to provide the intelligent control method and the intelligent control system for the microbial decomposition process of the organic matters; the temperature, humidity and weight changes of a material during microbial decomposition can be fully utilized, the temperature, humidity and oxygen supply quantity in the decomposition process can be intelligently controlled, and the decomposition efficiency of the organic matters is improved. According to the method, through acquisition of the temperature data, weight data and humidity data in the process of microbial decomposition of the organic matters, and with combination of predetermined ideal state temperature-time change data, ideal state humidity-time change data and ideal state decomposition rate-time change data of microbial flora in the organic matter decomposition process, the temperature, humidity, oxygen supply and decomposition rate in the organic matter decomposition process are adjusted.

A bio-chamber and a method of making organic fertilizer from poultry manure. The bio-chamber has a chamber body that defines a receiving chamber and an aeration chamber. The aeration chamber underlies the receiving chamber and is divided therefrom by a partition. The partition has a plurality of holes formed therein. An oxygen probe and a temperature probe are positioned inside the receiving chamber. An air blower is connected to the aeration chamber and is operable to blow air therein. The method comprises: mixing the poultry manure with a carbon carrier; loading the mixture into the receiving chamber; monitoring the temperature and the oxygen concentration of the mixture; aerating the mixture; and regulating the temperature and the oxygen concentration by adjusting the operation of the air blower. The temperature and oxygen concentration are regulated to provide conditions that permit aerobic bacteria to propagate and biodegrade the mixture.

The invention discloses a special fermenting device for high-value development of a multifunctional fertilizer by utilizing straws. The special fermenting device comprises a double-tower fermenting tank, a crushing mechanism, an automatic feeding mechanism and an automatic discharging mechanism; one end of the automatic feeding mechanism is connected with a material outlet end of the crushing mechanism; the other end of the automatic feeding mechanism is connected with a material inlet section of the double-tower fermenting tank; the automatic discharging mechanism is connected with the bottom of the double-tower fermenting tank; an interlayer is arranged in an outer shell of the double-tower fermenting tank; the interlayer is connected with first heat exchange equipment; a heat exchange pipe is arranged in the first heat exchange equipment; the heat exchange pipeline is loaded with a refrigerant internally; an outlet of the heat exchange pipeline is connected with second heat exchange equipment. The overall equipment is high in automation degree and low in energy consumption, and can realize continuous scale production; the product decomposition period is short; the cost is low; the yield is high; the fertilizer efficiency is high; the technology is mature; the process is environment-friendly.

The invention discloses a method for preparing a microbial compound organic fertilizer from livestock and poultry manure. The method comprises the following steps: uniformly mixing 700-800 parts of livestock and poultry manure with 150-300 parts of sawdust, 100-150 parts of straw, 100-150 parts of mushroom culture waste and 3-5 parts of a compound microbial strain; carrying out static fermentation for 24-36 hours; carrying out high temperature overturning fermentation, wherein the temperature is kept at 60-70 DEG C, the water content is 42%-47%, and the materials are turned and pushed once every 24-36 h and are turned and pushed for 5-8 times in total; carrying out low temperature overturning fermentation, wherein the temperature is kept at 30-60 DEG C, the water content is gradually reduced, 2%-4% of water is reduced each time, and the materials are turned and pushed once every 12-24 h and are turned and pushed for 3-5 times in total; and drying and cooling the fermented material until the water content is lower than 30% to obtain the powdery microbial compound organic fertilizer. By adjusting the proportion of the livestock and poultry manure residues, the organic waste materials and the functional compound microbial agent and controlling the fermentation mode, the fermentation temperature and the fermentation time in the fermentation process, the prepared microbial compound organic fertilizer contains various functional microorganisms, the quality and the yield of crops, fruit and vegetable tea can be remarkably improved, and the environment of planting soil is improved.

The invention discloses a composting method capable of regulating a microbial community structure of unculturable microorganisms, relates to a composting method and solves the problem that the activity of the unculturable microorganisms is difficult to regulate due to failure of isolated culture to further effectively improve the composting quality. The composting method comprises steps as follows: 1, a few raw materials are taken for composting, samples at different stages are collected for PCR-DGGE (polymerase chain reaction-denaturing gradient gel electrophoresis) recognition and sequencing, and the physicochemical properties of the samples are acquired; 2, R key control factors of different microbial community structures are analyzed through RDA (representational difference analysis), and the regulation range of the key control factors is determined for different microorganisms; 3, a composting target function strain is determined according to requirements of composting targets, composting is performed, composting parameters are regulated correspondingly, and the composting process is controlled. The succession laws of microbial community structures of microorganisms in different composting natural environments can be rapidly and accurately analyzed, the response relation between environment factors and the microorganisms in the composting process is determined, and a process regulation technology in the composting environment is realized.

The invention discloses a vehicle-mounted organic garbage quick decomposition and fertilization system which comprises a vehicle body and a container shell, and the container shell is installed on thevehicle body; wherein a feeding unit, a pretreatment unit, an aerobic fermentation unit, a deodorization unit and a leachate treatment unit are arranged in the container shell; the integrated automatic control unit is used for controlling and monitoring the feeding unit, the pretreatment unit, the aerobic fermentation unit, the deodorization unit and the leachate treatment unit. The invention also discloses a method for treating organic garbage by using the vehicle-mounted organic garbage quick decomposition and fertilization system. The system is suitable for treatment of scattered garbage,organic garbage is subjected to on-site fertilization and energy utilization, and effective treatment of garbage leachate and odor emission can be realized.

The invention discloses an organic fertilizer aerobic fermentation method capable of being automatically controlled by utilizing film covering. The organic fertilizer aerobic fermentation method comprises the steps of selecting a fermentation field, digging a ventilation duct, building a heap, covering a film, fermenting and the like. According to the organic fertilizer aerobic fermentation method, a film covering type system, a ventilation system and a control system complement each other to form a unique, economical and effective high-temperature aerobic fermentation system; the method can help the film covering type system to keep temperature, and oxygen concentration and temperature in a material heap are uniformly distributed; a whole heap body can easily reach a temperature conditionof killing pathogens; the concentration of ozone can be reduced by 90 percent to 97 percent and the content of microorganisms in exhausted gas is reduced by 99 percent or more, so that the health ofon-site staff and nearby residents can be protected.

The invention discloses a strong-flavor distiller grain bio-organic fertilizer, which is mainly prepared from the following raw materials by weight: 40-60 parts of strong-flavor liquor distiller grain, 20-40 parts of auxiliary materials, 1-2 parts of dust urea, 0.1-5 parts of waste ammonia water, 0.5-1 part of a special decomposition agent, 5-10 parts of grease production wastes and 2-5 parts of calcium superphosphate. The preparation method of the organic fertilizer comprises the following steps: raw material mixing, high-temperature decomposition, cooling, aging, initial product adjustment and finished product delivery. According to the organic fertilizer, chemical waste is used for pH value adjustment and carbon-nitrogen ratio pretreatment of fermentation. Firstly, through the combination of enzyme and bacteria, the decomposition time is shortened, the water-soluble humic acid in the product is improved, and the fertilizer efficiency is improved; secondly, the technology can fully utilize chemical waste, and the production cost is lower. The organic fertilizer is used for fruits, vegetables, tea and other crops, can effectively improve the rhizosphere soil environment of the crops, promotes the absorption of various mineral elements by root systems, promotes the growth and development of the crops, and improves the yield and quality of the crops.

The invention relates to a film mulching aerobic composting reactor test apparatus. The film mulching aerobic composting reactor test apparatus comprises a film system, a tank body, a gas distribution sieve, sensor groups, a first pressure sensor, a right-angle elbow, a second pressure sensor, a filtrate collector, a gas inlet, a gas distribution system and a PLC control system. The film system is connected with the top of the tank body by virtue of a hollowed stainless steel ring. The gas distribution sieve is arranged on the lower part in the tank body; and three sensor groups are positioned above the gas distribution sieve and on the side wall of the tank body at intervals. The first pressure sensor is arranged on the top end of one side wall of the tank body; and the second pressure sensor is arranged at one side of the bottom of the tank body. The center position of the bottom of the tank body is connected with the filtrate collector by virtue of a pipeline, the gas inlet is formed in the pipeline, and the gas inlet is connected with the gas distribution system by virtue of a pipeline. The gas distribution system, each sensor group and each pressure sensor are separately electrically connected with the PLC control system, and the operation of the gas distribution system is controlled by the PLC control system. The test apparatus is compact in layout, convenient to operate and intelligent in monitoring.

The invention provides a sheep manure composting method, which belongs to the technical field of agriculture, and comprises the following steps: (1) adding agricultural plant enzymes and expanded perlite into sheep manure to obtain a mixture; and (2) adjusting the moisture content of the mixture to 60-70wt%, starting composting, and finishing composting when the temperature of the compost body is20-30 DEG C. The sheep manure composting method provided by the invention is mainly applied to the field of agriculture, agricultural plant enzymes and expanded perlite are added in the method, the synergistic effect of the agricultural plant enzymes and the expanded perlite promotes nitrogen retention of compost, nitrogen loss is greatly reduced, the high-temperature period time is prolonged, andthe compost can be thoroughly decomposed.

The disclosure provides a method of composting cattle waste comprising the steps of forming a windrow of beef cattle manure, adding moisture to the windrow, monitoring the temperature of the windrow, maintaining the moisture content of the windrow and mixing the windrow after a predetermined temperature drop. The windrow is formed in an outdoor environment, preferably without a carbon amendment. During active composting, the moisture content of the organic portion of the windrow is kept within a range of 40% to 65% by weight. Steps of monitoring the temperature, addition moisture, and mixing are repeated until such steps do not create a predetermined significant temperature increase following the step of mixing. The manure is cured and analyzed as final steps in the process before packaging and shipping.

The invention discloses a compost fermentation tank. The compost fermentation tank is characterized by comprising an outer tank body and an inner tank body, wherein the inner tank body is internally arranged in the outer tank body; the part between the outer tank body and the inner tank body is filled with a thermal insulation material; the top of the outer tank body is connected with a head cover; the head cover is connected with a gas recovery pipe and an exhaust pipe; an air supply device is arranged at the bottom of the inner tank body; and an input end of the air supply device penetrates out of the inner tank body and the outer tank body. The part between the outer tank body and the inner tank body is filled with the thermal insulation material, the air supply device is arranged at the bottom of the inner tank body, and the head cover is connected with the gas recovery pipe and the exhaust pipe, so that a compost can be fermented in proper temperature and humidity environments; the generated fermentation gas is small in concentration change amplitude; collection of the fermentation gas through the gas recovery pipe is simple and convenient, and an error caused by an environment change is reduced; meanwhile, the condition that the internal pressure of the tank body is in a safety range is ensured through the exhaust pipe; and the accuracy of online real-time measurement and laboratory detection of the fermentation gas is achieved.