35results about How to "Improve composting effect" patented technology

The invention discloses a sludge aerobic composting method. The method disclosed by the invention is a method for carrying out sludge aerobic composting by taking afforest wastes (such as branch sections) as a conditioner, and comprises the following steps: (1) mixing sludge and the afforest wastes according to a mass ratio of (2-4):1, specially 3:1, so as to obtain a mixture; and (2) composting the mixture obtained in the step (1) and monitoring the temperature of a pile body in the composting process; in the composting process, turning for one time when the temperature of the pile body is more than 60 DEG C; finishing the composting after a plurality of times of turning and when the temperature of the pile body is reduced to be lower than 30 DEG C and is not raised. According to the sludge aerobic composting method, the high-temperature aerobic composting of organic wastes is used as the basis and the afforest wastes are used as the conditioner to treat the municipal sludge so as to consume a large amount of the afforest wastes while the harmlessness and the reclamation of the sludge are realized, so that the two aims can be realized by one action. Visibly, the sludge aerobic composting method has a wide application prospect.

The present invention relates to a food waste composting pre-treatment method, which comprises that: 1) food waste is fed, wherein food waste is poured onto a chain plate bag-breaking conveying integration machine through a special food waste transporter; 2) a roller bag-breaking device is arranged on the head section of the chain plate bag-breaking conveying integration machine to cut a big bag in materials so as to carry out preliminary bag breaking; 3) the food waste being subjected to preliminary solid-liquid separation and bag breaking is conveyed to a drum sieve through a chain belt conveyor to carry out screening; 4) the undersize material enters a pressing dewatering device through a screw conveyor; 5) the pressed and dewatered food waste is conveyed to a uniform material distribution garbage bin through the screw conveyor; and 6) the oversize material is discharged into a compressible garbage bin through the oversize material outlet of the drum sieve. The food waste composting pre-treatment method is mainly used for carrying out bag breaking, water filtration, screening and pressing dewatering on food waste so as to meet composting process requirements and improve composting effect.

The invention discloses a decomposition device for treating rural domestic waste composting waste gas with biomass, which belongs to the technical field of agricultural waste utilization. The decomposition device comprises: a composting barn in which a leachate collecting pipe is disposed, and on which a biomass processing exhaust pipe is disposed; a leachate collecting pool which is communicated with the leachate collecting pipe. The decomposition device of the invention performs aerobic composting of rural solid waste; the composting temperature is easy to insulate and control; and the waste gas generated during the composting process is processed by using biomass corn cores and straw cores as special gas adsorption materials. The leachate is collected and sprayed back during the composting process, which can not only ensure the water content of the compost, but also realize zero discharge of waste water; the device can perform positive or negative pressure adjustment of the gas in the barn at any time, makes full use of the existing rural biomass resources, and can effectively purify peculiar smell generated by the compost.

The invention belongs to the technical field of aerobic fermentation equipment, and in particular relates to aerobic fermentation equipment capable of dynamically regulating and controlling substratemoisture-temperature. The aerobic fermentation equipment includes a machine frame, a fermentation tank is fixedly installed on the top of the machine frame, a fermentation cover is fixedly installed on the top of the fermentation tank, a fermentation chamber is formed between the fermentation tank and the fermentation cover, and a feeding component communicating with the fermentation chamber is fixedly installed on the top of the fermentation cover. Through cooperation of a stirring device, an aeration component, an aeration mechanism and a regulating and controlling mechanism, the temperatureand moisture of stack in the fermentation tank are monitored in real time through the regulating and controlling mechanism, so that users can determine which period the stack is in; the stirring device and the aeration mechanism are controlled by the regulating and controlling mechanism, so that the ventilation frequency, ventilation cycle, uniformly-turning times and uniformly-turning speed areadjusted, the whole aerobic fermentation composting process is in the best strategy, and the composting efficiency and the composting effect are improved.

The invention discloses a microorganic aerobic composting method of kitchen garbage. The microorganic aerobic composting method comprises the following steps: water is used for cleaning kitchen waste so as to obtain an oil-water mixture and solid garbage; wood chips and alicyclobacillus are added into the solid garbage, and then aerobic composting is carried out so as to obtain a composting product. According to the invention, reducing, harmless and resourceful treatment to kitchen waste is carried out by adopting a microbic aerobic composting way. According to the invention, oil-water separation and reverse osmosis water treatment methods are adopted for treating kitchen waste, so as to reduce oil components in the kitchen waste and improve the composting effect, and the water resource reutilization is achieved. In the aerobic composting treating process, carbon-nitrogen ratio and water content are adjusted by adding cunninghamia lanceolata chips, the high-temperature-resistant and acid-proof alicyclobacillus are used, during linked optimization processes of heating, stirring and time controlling, energy conservation is achieved, the treatment efficiency is improved, the composting product meeting national standards and industrial standards is produced, and requirements of environment protection and sustainable development are met.

The invention relates to a pile turning machine applied to organic fertilizers and provided with an adjustment function. The pile turning machine comprises a main body, pile turning devices, two control rooms and two moving devices and also comprises a water spraying mechanism and two lifting mechanisms, wherein each lifting mechanism comprises a first motor, a rotating rod, a connecting rod and amoving plate; the water spraying mechanism comprises a water tank, a rotating box, a communicating pipe, a water spraying component and two driving components; the water spraying component comprisesa reciprocating unit, an oscillating rod and two oscillating units; and each oscillating unit comprises a flexible pipe, a support shaft and a nozzle. According to the pile turning machine applied tothe organic fertilizers and provided with the adjustment function, the water spraying mechanism is capable of spraying water to organic fertilizer piles, so that compost is fully fermented; the composting effect is improved; through the lifting mechanisms, the height of the pile turning devices can be adjusted, so that the pile turning depth can be adjusted so as to meet different composting requirements.

The invention relates to the technical field of riverway garbage treatment devices, in particular to a device capable of conveniently separating riverway floating garbage. The device comprises a floating garbage collecting device, a shell, a separating device, a movable floating body and a hydraulic cylinder B; the movable floating body is arranged on the lowermost position, and the shell is fixedto the upper surface of the movable floating body; the separating device is mounted in the shell, and the left end of the floating garbage collecting device is hinged to two side plates of the shell;and the output end of the hydraulic cylinder B is hinged to a side plate of the floating garbage collecting device, and a cylinder barrel of the hydraulic cylinder B is hinged to the right side of the shell. According to the device capable of conveniently separating the riverway floating garbage, in the process of conveying the riverway floating garbage through a conveying belt, through the conveying belt with the certain gradient, bottles doped in the riverway floating garbage roll down under the action of gravity, plant garbage cannot roll down, and thus the plant garbage and the bottles ina riverway are separated.

The invention discloses a kitchen waste composting barrel. The kitchen waste composting barrel comprises a barrel body and a barrel lid, wherein the barrel body is internally provided with a water filtering board; the circumferential outer side of the water filtering board is in contact with the barrel wall of the barrel body; the water filtering board divides the barrel body into a composting area and a filtered water collecting area; a plurality of grooves are formed in the inner side of the barrel wall; a mesh plate is arranged at the outer surface of each groove; the mesh plates and the grooves form vertical cavities; the cavities are communicated with the filtered water collecting area; the bottom surface of the inner wall of the barrel lid is inclined or curved; the lowest end of thebottom surface of the inner wall of the barrel lid corresponds to one of the cavities and import condensed water formed on the inner wall of the barrel lid into the cavity through a collecting plate;and an intake valve and an exhaust valve are fixed on the barrel body. The condensed water on the barrel lid is collected at the lowest end of the bottom surface of the inner wall of the barrel lid,so that the outflow of the condensed water in the composting barrel is facilitated, and the humidity in the composting body can be changed by collecting the condensed water; and in addition, the air flow in the composting body can be adjusted through the intake valve and the exhaust valve.

The invention provides a method and a device for treating residual sludges. The method for treating residual sludge comprises the steps of mixing the residual sludges and conditioners evenly, placing the mixture in a ventilation location for 7-16 d, artificially stirring once every 12-36 h, after mixing the residual sludges and a conditioner for 7-16 d, adding earthworms to form compost, waiting for 56 - 63 d to obtain an earthworm fecal sludge product. The earthworm fecal sludge product is applied in high efficient fertilizers or soil conditioners. By adding cow dung as conditioners, the adverse effects of residual sludge on the earthworms are alleviated, and the growth and reproduction of earthworm in the compost are improved, the earthworm biomass balance is ensured, the organic matter degradation ability of earthworm in the compost is enhanced, thus the composting efficiency is improved. The method and device for treating residual sludges provide an effective way for the resource utilization of sludges in towns and villages.

The invention provides a microorganism, a microbial agent containing the microorganism, as well as a preparation method and application thereof. The microorganism is bacillus siamensis which is preserved in China General Microbiological Culture Collection Center, under the preservation number of CGMCC No. 18688, from October 15, 2019 on. The microorganism provided by the invention has relatively good ability to decompose cellulose, and can be effectively applied in straw composting so as to obviously accelerate temperature rise rate in an early stage of composting, raise fermentation temperature, increase straw weight loss rate after the composting, decrease C / N content and achieve high compost maturity; and thus, the microorganism is suitable for large-scale application.

The invention provides a composite microbial agent and application thereof. The composite microbial agent comprises an aspergillus awamori preparation and a bacillus siamensis preparation, wherein aspergillus awamori in the aspergillus awamori preparation is collected in China General Microbiological Culture Collection Center of China Committee for Culture Collection of Microorganisms on October,15, 2019 and has an accession number of CGMCC No. 18595, and bacillus siamensis in the bacillus siamensis preparation is collected in China General Microbiological Culture Collection Center of China Committee for Culture Collection of Microorganisms on October, 15, 2019 and has an accession number of CGMCC No. 18688. The composite microbial agent provided by the invention has relatively good cellulose decomposing capability and can be effectively applied to straw composting, a temperature rise speed of a primary stage of composting is obviously accelerated, a fermentation temperature is increased, the rate of weight loss of straws after composting is increased, the C / N content is lowered, the well-composted degree of composting is high, and thus, the composite microbial agent is applicableto large-scale application.

The present invention relates to a straw microorganism decomposing bacterial agent, which is prepared mainly from a straw microorganism decomposing bacterial liquid and a protein nutrition agent according to a volume ratio of 1:1, wherein the straw microorganism decomposing bacterial liquid preparation method comprises: carrying out sealed fermentation on a straw mixture to obtain bacteria, and carrying out in vitro culture on the bacteria by using a microorganism culture medium to obtain the straw microorganism decomposing bacterial liquid. According to the present invention, the composting heat generation bacteria are obtained by using the straw mixture fermentation process, and are subjected to enrichment culture, the obtained composting heat generation bacteria are mixed with the protein-rich protein nutrition agent to obtain the straw microorganism decomposing bacterial agent; the obtained straw microorganism decomposing bacterial agent can produce the heat during the straw composting process so as to effectively supply the temperature required by bacterial breeding; and the protein nutrition agent supplies the nitrogen source, such that a lot of the microorganism can be bred by using the nitrogen source supplied by the protein nutrition agent at the early microorganism fermentation stage so as to improve the compositing rate, effectively shorten the time required by the fertilization, and solve the problems of less functional microorganism, slow breeding and serious nitrogen loss at the early fertilization stage in the fertile soil fertilization process using the straw composting fertilizer.

The invention discloses a method for mixing deer feces and corn straw to prepare organic fertilizer. A fermentation device comprises a fermentation tank (1), a liquid pump (8) refilling system and anair pump (6) oxygen supplementing system; a fermentation chamber (2) is refilled with leachate collected by a liquid storage chamber (5) through a sprayer (9), and an air pump (6) intermittently supplies air through a control switch (7). The ventilation rate is 0.5-0.9 L / min, and ventilation is continuously conducted for 10-18 min per hour; 3-5 min after a liquid pump (8) conducts pumping drainageand refilling, air is supplied for the ventilation of the fermentation tank. Mixed fermented materials in the fermentation room (2) are the deer feces and the corn straw, the initial water content is50-70%, the initial carbon-nitrogen ratio is 28:1-33:1, the crushed length of the straw is less than 3.5 cm, the fermentation temperature is controlled at 50 DEG C or above, and the fermentation timeis 12-15 days. The organic fertilizer prepared by means of the method is high in fertilizer efficiency and low in cost.

The invention discloses an efficient and energy-saving continuous type composting fermentation device. The composting fermentation device comprises a pre-treatment device, a composting fermentation device and a transmission device, wherein after composting raw materials and a conditioner are pre-treated and uniformly mixed, the mixture is conveyed to the composting fermentation device; when the transmission device is used for driving a scraping blade fixed on a stirring shaft connecting rod of the composting fermentation device to overturn the composting raw materials and the conditioner to get close to a thin-layer composting material of a cabin wall of a composting cabin, air exchange is finished through a ventilation hole formed in the inclined lower side of the composting cabin; the composting material is pushed to move in a direction from a feeding opening to a discharging opening; the composting fermentation device adopts a continuous or intermittent and continuous feeding mannerand the staying time of compositing material in the composting cabin is 5 to 8 days; each layer of the compositing material can be in contact with air by adopting a composting manner, with relativelylow driving power, so that the oxygenation efficiency is improved; first-phase compositing is finished in relatively short time and automatic continuous feeding and discharging can be realized; the compositing efficiency is improved and the operation cost and the labor cost of equipment are reduced; the efficient and energy-saving continuous type composting fermentation device is suitable for being popularized and applied to most of village and town regions with continuous production of organic solid wastes and less output in China.

The invention discloses a method and a device for intensifying kitchen waste microorganism compost by using cooking fume. The method comprises the following steps: crushing kitchen wastes, adding a microorganism auxiliary material, guiding cooking fume into the kitchen wastes, and mixing with the kitchen wastes for a preset time so as to prepare a biological organic fertilizer, continuously stirring the kitchen wastes when being mixed, and controlling the mixing temperature to be constant temperature. The invention further discloses a device for applying the method. The device comprises a tank body, wherein a microorganism auxiliary material inlet and a kitchen waste inlet are formed in one end of the tank body; a biological organic fertilizer outlet is formed in the other end of the tank body; a stirring shaft is arranged inside the tank body and is used for stirring the kitchen wastes inside the tank body; the kitchen wastes are pushed to the biological organic fertilizer outlet form the kitchen waste inlet when being stirred; a cooking fume inlet and a tail gas outlet are formed in the upper part of the tank body.

The invention discloses a swamp cabbage planting method. The planting method comprises the steps of seedling bed preparation, seed soaking, seedling bed treatment, sowing, planting management and harvesting. Chicken manure serves as a fertilizer, various nutritional ingredients are provided, a decomposition agent and a thin film are combined to act so that the temperature rising speed of the compost is increased, quick fermentation of the fresh chicken manure is promoted, the composting time is reduced, the decomposition effect of the compost is improved, insect pest eggs and harmful germs are killed thoroughly, diseases and insect pests are completely eradicated, and the quality of the organic fertilizer is ensured. Saccharomycetes, lactic acid bacteria, nitrogen-fixing bacteria, cellulose decomposition bacteria and actinomycetes are adopted to serve as additives in the method. The loss of Nitrogen elements is controlled, the compost effect is improved, and a good effect on accelerating the completion of the compost is achieved; rapid conversion of easily degradable organic matter, the stabilization of the organic matter and the formation of humus are achieved, so that the passivation effect on heavy metals is achieved, the content of the heavy metals in swamp cabbages is effectively reduced, and a guarantee is provided for food safety.

The invention discloses compost fermentation equipment, and relates to the field of compost fermentation, and the compost fermentation equipment is characterized by comprising a fermentation box, a separation ring wall is arranged in the fermentation box, a main shaft is rotatably connected to the middle of the separation ring wall, a motor connected with the main shaft is arranged in the separation ring wall, a fan located at the lower end of the separation ring wall is connected to the main shaft, an electric heating pipe is arranged at the upper end of the separation ring wall, a ventilation mechanism for supplementing oxygen is arranged in the fermentation box, a baffle mechanism for controlling the ventilation state of the ventilation mechanism is arranged at the upper end of the fermentation box, and a stirring mechanism located on the lower side of the separation ring wall and connected with the main shaft is arranged in the fermentation box. The invention has the technical effects that the running fan keeps air circulation in the fermentation box, in cooperation with the separation ring wall and the ventilation mechanism, air which does not contain oxygen and contains fermentation waste gas is discharged preferentially, the utilization rate of supplied oxygen is increased, the oxygen supply equipment operates intermittently, and the energy consumption of the equipment is reduced.

The invention relates to a uniform ventilation system for a compost reactor. The ventilation system comprises a ventilation device, a ventilation control device and a temperature control device, the ventilation device comprises a fan, a ventilation pipeline and an air outlet, the ventilation pipeline is arranged below the compost reactor, and ventilation holes are formed in the ventilation pipeline; the air outlet is formed above the compost reactor; the fan is arranged at the inlet of the ventilation pipeline; the ventilation control device comprises a frequency converter, a flow meter and afirst controller, the frequency converter is connected with the fan and the controller, the flow meter is arranged on the ventilation pipeline and connected with the controller, and the controller calculates the speed of airflow in the ventilation pipeline according to the ventilation flow measured by the flow meter and controls the frequency converter; and the temperature control device comprisesa thermometer, a heater and a second controller, the probe of the thermometer is mounted in the compost reactor, the thermometer is connected with the second controller, and the second controller isconnected with the heater. The air inlet temperature, and the air outlet angle and the air outlet speed of small holes in the air pipe can be controlled.

The invention discloses a composting method for livestock harmless treatment. The method comprises the steps of stockpiling, first-stage composting, turning, second-stage composting and drying so as to obtain waste. The composting mode adopted by the invention has the advantages of simple operation, high biological safety and no pollution to the environment, prevents odor from diffusing into the air in the process, realizes harmless treatment, and also realizes resource utilization of turning waste into wealth.

The invention discloses a composting fermentation auxiliary agent for garden and park greening waste, wherein the composting fermentation auxiliary agent is prepared from the following raw materials by weight: 6-8 parts of aluminum residue, 3-5 parts of sodium perborate, 2-4 parts of sodium lignosulfonate, 4-8 parts of sorbitol, and 3-5 parts of calcium hydrogen phosphate. With the composting fermentation auxiliary agent of the present invention, the garden and park greening waste composting effect can be significantly improved.

The invention relates to a multistage instant back-mixing aerobic composting reaction device and a working method thereof, belonging to the field of solid waste treatment. The multistage instant back-mixing aerobic composting reaction device comprises a cylindrical body, wherein an inclination angle of 3-5 degrees is kept between the cylindrical body and a horizontal plane, and the cylindrical body is divided into a feeding area, a rotating barrel and a discharging area; an interception shaft is arranged at the middle axis of the rotating barrel, the two ends of the interception shaft are fixed to the feeding area and the discharging area respectively and do not rotate along with the rotating barrel, and a plurality of sets of interception pieces are evenly fixed to the interception shaft located in the area of the rotating barrel; and the discharging area is provided with an aeration device, the interception shaft is provided with an aeration hose, and the parts, located at the interception pieces, of the aeration hose are provided with a plurality of ventilation interfaces. The device disclosed by the invention not only retains the advantages of a short composting period, reduced ammonia gas generation, high treatment efficiency and high compost product quality of a back-mixing composting device, but also overcomes the defect that the back-mixing composting device generates a large amount of nitrous oxide, and avoids secondary pollution caused by generation of nitrous oxide in back-mixing compost.

The invention relates to the field of waste recovery, and discloses a gasification slag fertilizer and a composting method, and the method comprises the following steps: mixing gasification slag, livestock manure and a cellulose raw material to obtain a composting raw material; and stacking and fermenting the compost raw materials to obtain compost. Based on the total weight of the compost raw materials, the content of the gasified slag is 55 wt% or less; and the gasified slag is gasified slag obtained after floating bead removal treatment, and the water content of the gasified slag is 20 wt% or below. By adopting the method for composting, the decomposition of organic matter is effectively promoted, the loss of nitrogen is reduced, the concentration of phosphorus and potassium is increased, and the retention of nutrients is enhanced, so that the gasification slag fertilizer with rich nutrition is formed.

The invention provides a microorganism, a microbial inoculum and a preparation method and application thereof. The microorganism is Aspergillus awamori, was preserved in China General MicrobiologicalCulture Collection Center on October 15, 2019, and has a preservation number of CGMCC No. 18595. The microorganism provided by the invention has good cellulose decomposition ability, and can be effectively applied to straw compost; and the early-stage temperature rise speed of the compost is obviously increased, the fermentation temperature is increased, the weight loss rate of the straw after composting is increased, the C / N content is reduced, compost maturity is high, and the microorganism is suitable for large-scale application.