45results about How to "Fast composting" patented technology

The invention relates to a technology for co-composting of blue-green algae and polluted bottom sediment, and belongs to the technical field of environmental engineering. The technology comprises the following steps: at first, heavy metal in the polluted bottom sediment is removed by adopting a bioleaching technology, then blue-green algae and the polluted bottom sediment are mixed, the physicochemical property of the mixture of the blue-green algae and the bottom sediment is regulated to the condition needed by growth of aerobic fermentation microorganisms through adopting conditioners such as straws, rice husks, bran, spent mushroom composts, dregs of decoctions, wood chips and the like by means of the characteristics of high water content of the blue-green algae and C/N ratio imbalance and the like, a certain quantity of nitrogen conserving agents is added, and then a forced ventilation fermentation manner is adopted in a compost factory, the temperature of the compost is increased to be more than 60 DEG C within an extremely short time, the high-temperature fermentation period is kept for about 15 days, and the compost is transferred in a secondary fermentation zone till the compost is decomposed thoroughly after the high-temperature fermentation period is ended. The technology achieves the cleanness of the polluted bottom sediment and large-scale treatment of the quick composting of blue-green algae and the polluted bottom sediment, and combines the harmlessness and the reclamation of the algae and the polluted bottom sediment organically.

A rapid composting method of a water plant by utilization of biomass charcoal is characterized by successively comprising the following steps: the first step, weighing raw materials: the raw materials comprises a base composting material and the biomass charcoal, the base composting material comprises a fresh water plant and air-dried straw, the ratio of the fresh water plant to the air-dried straw is configured based on that the range of the dry-basis carbon nitrogen ratio of the base composting material being 22-28, according to the actual water content, natural weight is obtained by conversion, an input amount of the biomass charcoal is 40%-50% of the dry-basis weight of the base composting material, and the water content after mixing of the three raw materials is controlled between 60% and 75%; the second step, evenly mixing the weighted three raw materials to produce a mixed material, and putting the mixed material to a composting place; and the third step, carrying out composting treatment of the mixed material until the mixed material forms a humic substance, namely a organic fertilizer product. Through use of the rapid composting method, a conventional dewatering volume-reduction pretreatment process of the high-water-content fresh water plant is omitted, and two-way synergy of rapid composting and ammonia emission reduction of the fresh water plant can be realized.

The invention relates to a biodegradable sludge-compost fermentation conditioning agent. The sludge-compost fermentation conditioning agent comprises an organic conditioning agent and decomposed sludge with the mass ratio of 1:4-10. In order to promote decomposing of compost, accelerate heating of compost, shorten fermentation period and effectively reduce odor for promote smooth performing of the fermentation process, a sludge compost additive can be added according to the circumstance. The addition amount of the sludge compost additive is 0.05%-1% by weight of decomposed sludge. The conditioning agent is biodegradable, free of residue, free of secondary pollution, high in mechanical strength and good in water adsorption property, is capable of effectively improving the sludge compost structure and improving oxygen diffusion efficiency, and also is recyclable through screening, helps to reduce the usage amount of the fresh conditioning agent and reduce sludge processing cost, and has good environment benefit and considerable economic benefit.

A method of preparing a plant cultivation medium by utilizing agriculture and forestry waste and the prepared cultivation medium are disclosed. The method includes 1) spraying the agriculture and forestry waste with water to adjust the water content of the agriculture and forestry waste, and 2) adding a fermentation catalyst, a microbe agent and brown sugar into the agriculture and forestry waste, fully stirring and fermenting. The plant cultivation medium is balanced in nutrition, high in nutrient contents, reasonable in structure, stable in physical properties, and convenient for plant absorption, meets plant growth needs and increases the survival rate of plant cultivation and ornamental effects.

The invention relates to a novel method for rapid composting by combining sludge of different types. The method is realized by three main steps, namely mixed blending, aerobic fermentation and discharging and storing. According to the method, the aerobic composting is realized by combining sludge from urban sewage treatment plants, sludge from wastewater treatment plants of beer enterprises and furfural residue discharged by furfural enterprises and particularly parameters of initial composting are adjusted by using the characteristics of different sludge and acidic furfural residue. The novel method has the advantages of reducing the ecological environment risk, increasing nutritive substances of composting products, reducing the cost of the composting, realizing rapid composting without adding extra microbe consortium and the like.

A continuous composter for continuously processing organic waste material from a generally heterogeneous state into a generally homogenous state. The composter includes a container rotatably mounted on a support frame about its longitudinal axis that defines an inner chamber containing an amount of the heterogeneous waste material for continuous circulation therein. An agitator located within the inner chamber is rotatably mounted on fixed end walls about its own longitudinal axis that is offset relative to the container axis. The agitator is located to selectively receive the circulated waste material from the rotating container, to separate the heterogeneous waste material into the homogenous waste material, and to aerate the homogenous waste material by projecting it within the chamber. Both the container and the agitator rotates in a same direction at a relatively slow and fast rotational speed respectively.

The invention discloses a photovoltaic enhanced compost waterless toilet and a composting method. The photovoltaic enhanced compost waterless toilet comprises a toilet room, an excrement storage roomand a collection room; the toilet room comprises a squatting pan, a pedal mechanism, a fly killing lamp and an exhaust fan; the excrement storage chamber is arranged below the toilet room and comprises a mechanical transmission device connected with the pedal mechanism, a mechanical stirring cage excrement collection box, an excrement decomposition collection box and a solar heater; The collectionchamber is arranged on the outer side of the excrement storage room and comprises an excrement decomposition collection box and a solar heater; the solar heater is connected with the solar energy storage mechanism; the pedal mechanism is connected with the mechanical transmission device and is connected with a transmission shaft of the mechanical stirring cage excrement collection box; and excrement decomposed by the solar heater is transmitted to the excrement decomposition collection box. According to the invention, a solar system and a composting system are integrated, and under the premise of protecting the environment, the resource utilization of excrement and the environmental sanitation of toilets are realized, so that a feasible technical basis is provided for dry toilets in ruralwater-deficient areas.

The invention relates to a method for paddy-upland rotation cropping of tobacco and rice and in-situ restoration of mineral nutrition. The method comprises the following process: tobacco planting: transplanting tobacco after fertilization; tobacco management: carrying out weeding, disinsection, irrigation and fertilization; tobacco harvesting: harvesting tobacco after the tobacco is matured; tobacco field management: subjecting harvested tobacco straw to harmless treatment, and covering a field with all treated straw so as to realize in-situ restoration of mineral nutrition; rice planting: transplanting rice seedlings, carrying out management for the field after transplanting, and carrying out harvesting after the rice is matured; and paddy field management: covering the paddy field with all harvested rice straw so as to realize in-situ restoration of mineral nutrition. The method provided by the invention has the following advantages: rice straw and husks are used as fertilizers and completely used for tobacco planting, or the tobacco straw is used as a fertilizer and completely used for rice planting, so the loss of elements can be effectively prevented; reutilization of the elements and circulation and balance of an ecological system are guaranteed; the environment can be easily protected; and application of a chemical fertilizer can be reduced.

The invention discloses a highly-efficient back-mixing roller-type aerobic composting reaction device. The highly-efficient back-mixing roller-type aerobic composting reaction device comprises a rotating cylinder body which is connected with a driving unit capable of realizing rotation around a shaft, wherein the rotating cylinder body is horizontally inclined downwards for a certain angle along the direction from a feeding inlet to a discharging outlet; a plurality of material shoveling plates are fixedly arranged on the inner peripheral wall of the rotating cylinder body; at least two groupsof material shoveling plates are distributed along the circumferential direction of the rotating cylinder body; each group of material shoveling plates are uniformly distributed along the axial direction of the rotating cylinder body at intervals; the material shoveling plates in each group are arranged in a staggered mode; each material shoveling plate is composed of a bottom plate and a baffleplate; one ends of bottom plates are fixed with the inner circumferential wall of the rotating cylinder body; and the other ends of the bottom plates face a feeding direction and incline towards the center of the rotating cylinder body with an inclination angle in a range of 45 degrees to 65 degrees. According to the invention, the material shoveling plates are used for pushing a decomposed material at a rear end position to efficiently flow back to the front end of the reactor for inoculation of a fresh material to increase the abundance of microorganisms in the fresh material and promote rapid degradation of organic wastes, so the composting efficiency is effectively improved, and the product quality is improved.

The invention discloses a biodegradable flowerpot material and a preparation method thereof. The material is prepared from the following raw materials in parts by mass: 100 parts of polylactic acid, 20-40 parts of vinasse, 30-50 parts of light calcium carbonate, 20 parts of tributyl citrate and 0.2-0.4 part of a silane coupler. The preparation method comprises the following steps: drying and pulverizing the vinasse at first; then blending the vinasse with the polylactic acid, the light calcium carbonate, the tributyl citrate and the silane coupler in a high-speed mixer to obtain a vinasse/ polylactic acid mixture; extruding the mixture by using a double-screw extruder and granulating to prepare a vinasse/ polylactic acid degradable composite material; and finally carrying out injection molding by using an injection molding machine to obtain a biodegradable plastic flowerpot. The biodegradable flowerpot material is simple in production and short in product degradation time, and can be used for compost; and therefore, wastes can be efficiently utilized in a recycled manner.

The invention discloses a method for producing an organic fertilizer special for tobacco by taking pig manure and cake fertilizer as raw materials and the organic fertilizer special for tobacco. The method comprises: introducing musca domestica ovum to the surface of a scientific compatible formula material, so as to enable hatched musca domestica larva to perform biological conversion on a culture material and to convert the formula material of the organic fertilizer special for tobacco into the organic fertilizer special for tobacco, wherein the formula material is composed of the following compositions in parts by weight: 80-90 parts of pig manure and 20-10 parts of a cake fertilizer, the cake fertilizer is rapeseed cake or a mixture of rapeseed cake and peanut bran, and the water content of pig manure is 70-80%. By utilizing musca domestica larva and employing the cake fertilizer commonly utilized in tobacco plantation and combining pig manure, the organic fertilizer special for tobacco is produced within 5-6 days and has the fertilizer efficiency higher than routine microbe compost and low cost, and the processing problem of pig manure and the technological problem of effective fertilizer supply during tobacco plantation are effectively solved. In the process of producing the organic fertilizer special for tobacco, musca domestica mature larva is produced, the compost cost is further reduced and economic benefit is increased.

The invention belongs to the technical field of composting treatment, and particularly relates to a method for aerobic composting by using pond sludge. The method comprises the following steps: putting a mixture containing pond sludge, silkworm excrement and mushroom residues as a composting raw material in an environment with initial water content of 40-55% and room temperature for natural fermentation, carrying out primary fermentation to a high temperature of 50-65 DEG C, maintaining the temperature, carrying out irregular turning, supplementing water to 40-55%, continuously conducting heating for secondary fermentation, completing compost maturity within 25-30 days, taking a compost sample, and determining the germination index which can exceed 80% which indicats that the pond sludge is thoroughly matured by the method. Silkworm excrement rich in microorganisms and mushroom residues rich in organic matter are added to serve as a conditioner, aerobic composting decomposition of thepond sludge is achieved, and fertilizer application of the pond sludge is achieved. By adopting the pond sludge, various nutrients can be supplied to crops, a plough layer can be thickened, the physical properties of soil can be improved, and the fertilizer retention capacity of the soil can be improved.

The invention discloses a kitchen garbage composting device. The device comprises a stainless steel hollow outer cylinder and an inner cylinder which are coaxial and have the equal height, and the outer cylinder and the inner cylinder are respectively provided with lead wires and are connected with a power supply to form an electric field in order to make microorganisms in the kitchen garbage accelerate the composting process under electrical stimulation; the inner wall of the outer cylinder and the outer wall of the inner cylinder are provided with packing layers to promote electricity conduction, continuously buffer salts and absorb water and adjust the pH value in the composting process, so the activity of the microorganisms is ensured; and the structures in the inner cylinder and the outer cylinder are designed to achieve temperature regulation in order to control the temperature in the composting process, so that the microorganisms are always at the most active temperature, the composting process is continuously carried out at an appropriate temperature, and the composting efficiency is the highest. The device of the invention can achieve the purposes of processing the kitchengarbage with zero power consumption and high efficiency and obtaining a compost.

The invention discloses a kitchen garbage collector which comprises a large bucket, wherein the upper end of the large bucket is connected with a small bucket; the joint of the large bucket and the small bucket is communicated; an electric cutting blade is arranged at the joint of the large bucket and the small bucket; a cover is arranged at the upper end of the small bucket; a collection hopper is arranged below the cover; a rotary contact switch is arranged at the joint of the cover and the small bucket; when the cover is opened, a power supply of the electric cutting blade can be conducted;a garbage distribution system is arranged in the large bucket below the electric cutting blade; multiple iron rods and multiple copper rods are fixed at the bottom of the large bucket; reaction tankswith opened upper parts are respectively fixed on the iron rods and copper rods; biological packing overgrown with biological films is fixed in the reaction tanks; an outlet is formed in one side atthe lower end of the large bucket; and a lifting table is arranged below the large bucket. The operation of the cutting blade is controlled by utilizing the cover, the kitchen garbage is smashed, themicrobial effects are enhanced by utilizing a current effect generated by bimetallic corrosion, and the composting process can be rapidly started after emptying.

The present invention is one kind of effective organic waste treating technology. The present invention produces compost through the cooperative effect of high-moisture easy-to-degrade organic waste and hard-to-degrade organic waste. Proper amount of high-moisture easy-to-degrade organic waste is added regularly to maintain the optimized compost producing condition with relatively higher density of easy-to-degrade organic waste and hard-to-degrade organic waste to provide high porous structure and unlimited oxygen transmission.

The invention discloses a method applicable to integrated treatment of multi-source organic waste in farming and stockbreeding tourist areas, belonging to the technical field of organic waste treatment. The method comprises the following steps: (1) preliminary separation; (2) solid material treatment; (3) waste oil treatment; and (4) treatment of high-concentration wastewater. Directed at the characteristics of multi-source organic wastes in farming and stockbreeding tourist areas in northwest regions and the regional characteristics of the tourist areas and based on local climatic characteristics, solar energy is used for supplying power and heat, so energy consumption is reduced, and energy cleanness and organic waste recycling are realized; by arranging two stages of buffer units including a solid material buffer bin and a rapid composting bin, rapid fermentation of organic wastes is realized; flexible treatment is conducted on the basis of the generation characteristics of organicwastes in the tourist areas and the changes of the components and quantities of the tourist areas; and separated wastewater is temporarily stored through a water buffer tank, and a fermentation tank is arranged according to the regional characteristics to produce a soil conditioner for resourceful treatment, or sewage treatment facilities are additionally arranged and cooperated with constructed wetlands so as to realize up-to-standard discharge of the waste water, thereby meeting requirements of environmental protection.

The invention discloses a method for producing an organic fertilizer special for tobacco by utilizing ptecticus aurifer larva and the organic fertilizer special for tobacco. The method comprises: introducing ptecticus aurifer ovum to the surface of a scientific compatible formula material, so as to enable hatched ptecticus aurifer larva to perform biological conversion on a culture material and to convert the formula material of the organic fertilizer special for tobacco into the organic fertilizer special for tobacco, wherein the formula material is composed of the following compositions in parts by weight: 80-90 parts of pig manure and 20-10 parts of a cake fertilizer, the cake fertilizer is rapeseed cake or a mixture of rapeseed cake and peanut bran, and the water content of pig manure is 70-80%. By utilizing ptecticus aurifer larva and employing the cake fertilizer commonly utilized in tobacco plantation and combining pig manure, the organic fertilizer special for tobacco is produced within about 15 days and has the fertilizer efficiency higher than routine microbe compost and low cost, and the processing problem of pig manure and the technological problem of effective fertilizer supply during tobacco plantation are effectively solved. In the process of producing the organic fertilizer special for tobacco, ptecticus aurifer mature larva is produced, the compost cost is further reduced and economic benefit is increased.

The invention discloses a compound microbial agent for resourceful treatment of vegetable residues as well as a preparation method and application of the compound microbial agent. The compound microbial agent is prepared from bacillus bh1 bacterial liquid, bacillus bh2 bacterial liquid, bacillus bh3 bacterial liquid, bacillus cereus bacterial liquid and gordonia bacterial liquid, wherein the effective viable bacteria contents of the bacillus bh1 bacterial liquid, the bacillus bh2 bacterial liquid, the bacillus bh3 bacterial liquid and the bacillus cereus bacterial liquid are all greater than or equal to 10<10>CFU/ml; and the effective viable bacteria content of the Gordonia bacteria liquid is greater than or equal to 10<9>CFU/ml. The compound microbial agent provided by the invention can increase the composting speed of straw, and increase the maturation degree and the recycling rate of resources.