45 results about "Cow dung" patented technology

This invention discloses a system and method for measuring the moisture content of cow manure during collection and storage, specifically relating to the field of agricultural waste treatment technology. It includes a sampling unit, a weighing unit, and a calculation and display unit. By weighing a fixed volume of wet cow manure sample, its wet density is calculated. Then, using a wet density-dry matter content relationship model and a specific model for cow manure, the moisture content of the collected cow manure is quickly calculated and displayed. This invention overcomes the bottleneck of time-consuming traditional drying methods and the disadvantage of electrical methods being susceptible to interference. It can complete accurate measurements within minutes at the production site, providing efficient and reliable data support for real-time control of cow manure collection, transportation, solid-liquid separation, composting, and other treatment processes.

The utility model provides a kind of combustion engine for cow dung biomass fuel, it is related to combustion engine technical field, and combustion engine includes furnace body, first air supply mechanism, second air supply mechanism and air direction adjusting mechanism;First air inlet is provided in the lower part of the side close to furnace body feeding, and this first air inlet is located below the fire grate in furnace body, and the air outlet end of first air supply mechanism is communicated with first air inlet;Air direction adjusting mechanism is set below fire grate, and its air inlet end is communicated with first air inlet, and the air outlet end is towards the fire grate of upper side, and the air outlet direction of air outlet end is adjustable;Second air inlet is provided in the upper part of the side close to furnace body flame exit, and the air outlet end of second air supply mechanism is communicated with second air inlet.The scheme can guarantee that biomass fuel is in the relatively optimal anoxic combustion state, while making the combustible gas at combustion engine outlet fully burn, so that the energy of biomass fuel is fully released, and the energy conversion efficiency of biomass fuel is improved.

This utility model relates to the field of cow manure collection technology, and is a cow manure collection device for cattle pens, including a walking support component, a manure collection component, and a solid-liquid separation component. The tracked walking device has a base plate, and a mounting plate is connected to one side of the base plate. A moving wheel is provided on one side of the mounting plate. A first-layer box is provided on the base plate; a second-layer box is provided on the first-layer box. The walking support component includes a tracked walking device, on which a base plate is provided, and a mounting plate is connected to one side of the base plate. The manure collection component is provided on the mounting plate. The solid-liquid separation component is provided on the top surface of the base plate. The manure collection component includes a first motor, a shovel, and a partition conveyor belt. The solid-liquid separation component includes a fixed frame, a buffer plate, and a linear reciprocating mechanism. This utility model of a cow manure collection device for cattle pens, including a walking support component, has the following advantages: it makes transporting cow manure more convenient and improves the efficiency of manure collection; it can directly perform solid-liquid separation treatment on the manure.

The present application belongs to the technical field of tobacco planting, and provides a whole-cycle planting method for improving quality and increasing yield of tobacco, comprising the following steps: (1) seed treatment: after cleaning the seeds with water, the seeds are soaked in an elicitor composed of gibberellin with a concentration of 50-1000 mg / L and 10-15 mL / L of Bacillus polymyxa dgnkzx004 fungicide fermentation liquor, then subjected to light treatment, and washed and dried; (2) seedling raising: mixed bacteria cow manure fermentation products are added to the seedling raising substrate, and Bacillus polymyxa dgnkzx004 fermentation liquor is applied for seedling raising; (3) transplanting: the tobacco seedlings are transplanted, and the mixed bacteria cow manure fermentation products are used as fertilizer for fertilization. The present application promotes seed germination rate, improves seedling emergence rate and seedling survival rate, and can significantly improve the growth potential of tobacco root system and the yield of tobacco, and significantly reduce the arsenic content in tobacco leaves.

This invention relates to a method for preparing nutrient soil based on coal gangue-induced gypsum crystallization and its application in saline-alkali land improvement. It belongs to the field of solid waste resource utilization technology and solves the technical problem of the lack of an integrated method for "coal gangue soil treatment, directional conversion of pyrite FeS2, and in-situ preparation of gypsum CaSO4·2H2O". The method includes the following steps: Step 1, crushing the coal gangue and activating the coal gangue powder; Step 2, mixing cow dung, straw, and FeS2 to obtain initial organic material, adjusting the carbon-nitrogen ratio, and performing aerobic fermentation on the initial organic material to obtain organic fermented material with peak sulfur-oxidizing bacteria abundance; Step 3, uniformly mixing the activated coal gangue powder and organic fermented material, and placing it in a fermentation tank for controlled maturation. The coal gangue-based nutrient soil produced by this method has excellent chemical properties, good porosity, and stable and abundant aggregates. Gypsum CaSO4·2H2O can be used as a core component for saline-alkali land improvement.

The application discloses a saline-alkali soil conditioner suitable for soybean cultivation and an application method thereof. The conditioner is composed of 70% of rotten cow manure, 25% of superphosphoric acid calcium, 5% of ferrous sulfate and 1000 ppm of ammonium molybdate. Through the synergistic effect of "organic fertilization + inorganic salt adjustment + micro-fertilizer synergism", the problems of poor structure, high salt content, strong alkalinity, low fertility and serious nutrient deficiency of the saline-alkali soil are solved simultaneously. In the preparation, the dry-wet mixing combination and medium-temperature fermentation process are adopted, and in the application, the conditioner is applied in stages according to the degree of salinization (0.2-0.6% of the adding amount), and is matched with rotary tillage and water management. The experiment shows that after the application, the soil pH is reduced to 7.0-7.7, the effective molybdenum is increased by 3.5 times, the soybean emergence rate is increased by 22%, and the biomass is increased by 35%. The application is especially suitable for soybean planting in the coastal saline-alkali land with pH of 8.0-9.5, and realizes the synergistic optimization of soil improvement and crop growth.

This invention discloses a method for preparing bio-organic fertilizer that reduces the incidence of tobacco root-knot nematodes. The bio-organic fertilizer consists of a fermentation substrate, microbial inoculant, and earthworm castings in a mass ratio of 10:0.2-0.4:2-3. The invention uses Bacillus subtilis, Trichoderma harzianum, and Bacillus mucilaginosus in a mass ratio of 15-25:8-13:30-40 to prepare the microbial inoculant. The fermentation substrate and microbial inoculant are mixed and fermented. The fermentation substrate includes cow dung, wheat bran, straw, and earthworm castings. The bio-organic fertilizer of this invention can reduce the incidence of tobacco root-knot nematodes and also promotes tobacco root growth and increases tobacco leaf yield.

This invention discloses a method for earthworm farming using forest manure resources, relating to the field of invertebrate farming technology. It uses cow manure collected by farmers in a dispersed manner or centrally collected by farms as the main raw material, and includes the following steps: S1. Cow manure pretreatment: The cow manure is subjected to aerobic fermentation to obtain mature material, which serves as the main component of the earthworm breeding bed; S2. Forest understory zoned farming: In selected forest understory areas, the mature material is laid as a farming substrate, and earthworms are inoculated for farming; S3. Product collection: The earthworms and vermicompost produced during farming are collected. This invention specifically addresses the challenges of high moisture content and slow degradation of cow manure. Through carbon-nitrogen ratio adjustment and multi-stage fermentation processes, it transforms cow manure into a stable and safe earthworm farming substrate, solving the risks of root burn and pests associated with directly returning cow manure to the field. Furthermore, the conversion efficiency is more than 40% higher than traditional composting. The modular crop rotation farming model is particularly suitable for the consumption cycle of the cow manure substrate, achieving continuous and large-scale utilization of cow manure.

The utility model discloses compressible cow dung transfer case, including tow case and tow frame, and the tow case detachable installation is in the tow frame, and the tow case has the storage chamber of loading cow dung, and the front end of storage chamber is provided with the hydraulic compression mechanism that pushes back and compresses cow dung, and the rear end of tow case is provided with rotatable revolving door, and the revolving door is locked between tow case through locking mechanism, and the top of tow case still has seted up the feeding port, and the top of tow case is provided with the opening and closing mechanism that opens or closes the feeding port. The utility model has the beneficial effects that: through built-in hydraulic compression mechanism, can be in the loading process to loose cow dung and carry out powerful compression, significantly reduce its volume, improve the volume utilization of box, and the single trip transportation efficiency is greatly improved, and the transportation cost is effectively reduced, and the locking reliability of revolving door and tow case is high, avoids the seepage liquid and peculiar smell leakage in the transportation process, and then has no secondary pollution.

This invention relates to the field of organic fertilizer technology, and more particularly to an organic fertilizer that promotes plant growth and soil improvement, and its preparation method. Addressing the problems of long fermentation cycles, unstable nutrient release, and soil acidification caused by traditional organic fertilizers, this invention utilizes a Schisandra chinensis stem polyphenol-sepiolite complex as a core additive. The process includes the following steps: extracting and concentrating Schisandra chinensis stem polyphenols using an ethanol solution; activating sepiolite with HCl solution to enhance its adsorption capacity; compounding the polyphenols with the activated sepiolite to form a stable complex; mixing the complex with basic organic materials such as well-rotted cow manure, soybean meal, humic acid, and a compound microbial agent, adjusting the moisture content, and then performing aerobic fermentation; finally, granulating and drying to obtain the organic fertilizer product. This invention can significantly improve plant growth indicators and soil fertility, realize the utilization of waste resources, and is low-cost and environmentally friendly.

The application provides a method for increasing carbon and yield and reducing greenhouse gas emission of farmland by returning straw to field and application thereof, and belongs to the technical field of returning straw to field. The method comprises the following steps: treating corn straw by using biogas slurry obtained by anaerobic fermentation of cow dung and corn straw, mixing the treated corn straw with EM microbial agent to carry out composting fermentation, and returning the fermented corn straw to field. The treatment and returning method of the corn straw can effectively seal the carbon source in the soil in the form of organic carbon, improve soil fertilizer, avoid emission of the carbon source in the form of greenhouse gas to the environment, and cause pollution to the environment, thereby achieving the technical effect of carbon sealing and fertilizer increasing, providing technical support for returning straw to field, and being helpful to the development of green agriculture.

This application relates to the field of agricultural and forestry solid waste resource utilization technology, and discloses a resource utilization product of cow dung and manure water and its preparation method. The preparation method of this application involves mixing fresh cow dung and cow manure water, adding citric acid and an iron-based oxidant, reacting at high temperature, and then separating the solid and liquid components. The resulting liquid is a humic acid liquid resource utilization product. Based on the characteristic that cow manure water is rich in N and P elements, this application uses cow manure water as a hydrothermal reaction medium, fresh cow dung as a reactant, and converts it into a humic acid liquid resource utilization product through a hydrothermal method by adding an iron-based oxidant and citric acid. This product contains abundant humic acid and elements such as N, P, K, and Fe, and achieves the fixation of heavy metals, the elimination of antibiotics, and the resource utilization of organic matter in cow dung / manure water.

The application discloses a special compound fertilizer for high-cold saline-alkali soil and belongs to the technical field of ecological improvement fertilizer for saline-alkali soil. The high-cold characteristics are obvious in the Heilongjiang, the northern part of Inner Mongolia, the Hetao and the Tumochuan plain regions in the central and western parts of China; the soil is high in degree of salinization and serious in compaction, and lacks organic matter; the conventional fertilizer is difficult to be activated in the low-temperature environment, and the absorption and utilization rate is extremely low, which seriously restricts agricultural production. The application is prepared by deep processing of potassium chloride, urea, coal gangue, coal slime, rotten sheep manure and rotten cow manure as basic raw materials and relying on the chelation complex chemical reaction mechanism and the organic matter endogenous chelation activation system. Through multi-stage material modification and chelation complex synthesis reaction, the free saline-alkali ions in the soil are passivated, the soil acid-base balance is adjusted, and the compacted soil layer is loosened. The product can balance the supply of nitrogen and potassium nutrients, improve the water and fertilizer retention performance of the soil, strengthen the cold and saline-alkali resistance and stress resistance of crops, and is precise in adaptation to the high-cold saline-alkali regions in the north of China, and the process is scientific and advanced, green, safe and residue-free.

The application discloses a method for one-step extraction of bleached cellulose from cow dung, and belongs to the technical field of cow dung-based paper pulp preparation. The one-step extraction method comprises the following steps: water washing is performed to remove excrement and impurities in the cow dung, thereby obtaining undigested plant fibers; the plant fibers are subjected to defatting and dewaxing; then, the plant fibers are added into a hydrogen peroxide solution containing activated carbon catalyst loaded with LaFeO3 perovskite for reaction, thereby obtaining cellulose. The application uses cow dung as raw material, attacks aromatic rings and ether bonds of lignin and glycosidic bonds of hemicellulose by using hydrogen peroxide, and additionally uses activated carbon catalyst loaded with perovskite to catalyze hydrogen peroxide, thereby enhancing the oxidation effect, and realizing the pulping and bleaching integrated technology by using cow dung as raw material. In the wastewater treatment stage, the wastewater generated by the one-step extraction and bleaching method only needs to be simply heated to be treated into normal water, and does not contain additional acid and alkali liquid, and the catalyst can be recycled and reused.

This invention discloses a method for enhancing the composting and humification of cow manure and the passivation of heavy metals using rapeseed cake, belonging to the field of organic solid waste resource utilization technology. The method of this invention mixes cow dung and rapeseed cake at a wet weight ratio of (3.5-4.5):1, adjusts the moisture content to 65%-75%, and composts for 25-35 days. This method significantly extends the high-temperature composting period (>50℃), increases the humic acid carbon content of the resulting compost by 40% or more, significantly improves the humification index and degree of polymerization, and achieves a seed germination index of over 94%. The passivation rates for Cu and Zn are 7.69% and 38.49%, respectively, higher than those of rice straw composting methods. Throughout the later stages of composting, the relative abundance of Ascomycota fungi remains above 96%, synergistically promoting the large-scale generation of humic acid and other humic substances, converting available heavy metals copper and zinc into stable forms, with a passivation rate significantly higher than traditional methods. This invention achieves efficient cow dung composting and resource utilization of rapeseed cake waste, with advantages of low cost, high efficiency, and environmental friendliness.

The present application relates to a kind of coastal saline soil improvement method, belong to saline-alkali soil improvement field.Use mechanical equipment to obtain the branch segment of 0.5 to 0.8 cm by pulverizing the branch of tree, shrub, green plant etc. obtained by landscaping department pruning, add special ferment and appropriate amount of water, fermentation is stacked for 45 to 60d, and branch segment fermentation product is obtained.The fermentation product is mixed uniformly with edible fungus residue, vinegar residue, cow dung, and the volume ratio of the four is 3:2:1:2.The above mixture is deeply turned into saline soil, which can reduce saline-alkali, reduce pH, increase porosity and improve fertility, etc.

This utility model discloses a dry-wet separation device for cow dung, belonging to the field of cow dung treatment technology. It includes a collection box with four sets of ear plates on its side. Support legs are located at the lower end of the ear plates, and support rods are located at the upper end of the ear plates. A housing is located at the upper end of the support rods, and a feed hopper is located at the upper side of the housing. A motor is located at the center of the upper end of the housing. This utility model incorporates a filter hole adjustment mechanism, which allows for flexible adjustment of the filter hole size according to the humidity of the cow dung and separation requirements, thereby improving the efficiency and effectiveness of dry-wet separation. This design not only ensures that the separated solid cow dung has a low moisture content, facilitating subsequent processing, but also adapts to cow dung with different humidity levels, improving the versatility and applicability of the equipment. The motor 975 drives the transmission component 97, achieving precise rotation of the rotating disk 93, further optimizing the adjustment accuracy of the filter holes and making the separation process more efficient and precise.

The utility model discloses a kind of microbial treatment systems of cattle dung treatment, including fermentation tank, the outside welding of fermentation tank has fixed shaft, the outside sleeve of fixed shaft has support rod, the inside of fermentation tank is equipped with fermentation chamber, the inside of support rod is equipped with movable slot, the inside bottom of fermentation tank has sliding push plate, the bottom of fermentation tank is equipped with clamping groove, the bottom of push plate is welded with clamping pipe, one side end surface of support rod is adsorbed with magnet, one side end surface of magnet is welded with push rod, the bottom of support rod is welded with base, the utility model can scrape off fermentation in fermentation chamber inside by constantly pushing push plate, and these fermentation are pushed to the top of fermentation tank by push plate, at this time operator can undertake fermentation, so that fermentation can be collected quickly, without artificial little collection, improve fermentation recovery efficiency.

The application discloses a kind of central plains area winter wheat and high-efficiency rotation of Konjac of bead bud, belongs to crop planting field, to solve central plains area winter wheat and soil continuous cropping obstacle in rotation of bead bud Konjac, technical problem of nutrient imbalance and pest intensification.The method comprises the following steps: sowing winter wheat in early October and harvesting in early June of next year; within 5 days after wheat harvesting, the straw is crushed and mixed with sulfur powder, and then deep ploughed back to the field; a sowing trench is dug, and phosphorus fertilizer and sulfur powder are applied at the bottom of the trench; before June 15, the Konjac seed tuber is placed in the trench, and the soil is covered and ridged; after the Konjac sprouts, potassium sulfate is applied during leaf expansion and tuber enlargement; in late October, after harvesting the Konjac, the remaining root system is removed, and composted cow manure is applied, followed by deep ploughing for wintering; in early October of the next year, winter wheat is planted as usual.The method is mainly used to improve the rotation efficiency and yield per unit area of farmland in central plains, and to improve the soil structure and sustainable fertility.

This invention relates to the field of soil remediation, and more particularly to a highly efficient remediation agent for acidic soils and its preparation method. The remediation agent consists of hydroxyapatite-modified biochar, MOF biochar composite, and lime. Compared with existing technologies, this invention not only regulates soil acidity but also provides abundant nutrients and improves soil structure. Lime can rapidly neutralize hydrogen ions in acidic soils, quickly increasing soil pH, enabling the remediation agent to improve soil acidity in a short time while achieving both short-term and long-term remediation effects. The raw materials for biochar preparation include agricultural waste such as cow dung, which are widely available and inexpensive, realizing the resource utilization of waste. Lime is also a common soil conditioner, relatively inexpensive and readily available, helping to reduce the overall production cost of the remediation agent and improve its economic feasibility and application scope.

This application relates to a method for preparing flue-cured tobacco bio-organic fertilizer based on cow dung, comprising the following steps: S1. Raw material pretreatment and blending: Fresh cow dung and crushed plant straw are mixed at a dry matter weight ratio of 6.5:3.5 to 7.5:2.5, the carbon-nitrogen ratio of the mixture is adjusted to 25-30:1, the moisture content is adjusted to 55%-60%, and a composting initiator is added; S2. Four-stage controllable high-temperature aerobic fermentation: The material obtained in S1 is fermented; S3. Functionalized post-fermentation treatment: Functional microbial agents and biochar-based nutrient carriers are uniformly mixed into the cow dung-based composted material obtained in S2, wherein the functional microbial agents contain Bacillus bacteria with the ability to solubilize phosphorus, potassium and / or produce plant growth hormones, and the material is piled and post-fermented at 30-40℃ for 5-10 days; S4. Aging and finished product preparation: The post-fermented material is aged under ventilated conditions for 10-15 days, and then dried and crushed to a particle size ≤5mm to obtain the flue-cured tobacco bio-organic fertilizer.

This invention relates to the field of dairy cow manure solids sampling technology, and more particularly to a multi-point sampling, mixing, and dispensing device for dairy cow manure solids. The multi-point sampling, mixing, and dispensing device for dairy cow manure solids includes a spiral sampling and conveying unit, a sample mixing and storage unit, and a sample collection and packaging unit. The spiral sampling and conveying unit is used for multi-point sampling of dairy cow manure solids. By integrating the sampling, mixing, and dispensing processes into the same device, the continuous and consistent acquisition process of complex dairy cow manure solids samples is achieved, improving work efficiency. The samples collected by the spiral sampling and conveying unit undergo preliminary mixing after entering the sample mixing and storage unit, and then the samples collected by the spiral sampling and conveying unit are mixed again through the sample mixing and storage unit, achieving secondary mixing of the samples. This ensures that samples from different sampling points are fully homogenized before entering the dispensing stage, effectively reducing the impact of heterogeneity on the detection results.

The application provides a cattle manure water rotting agent and a preparation method thereof. The cattle manure water rotting agent is obtained by mixing, fermenting and drying cattle manure and heat-retaining material immobilized rotting composite bacteria, and the heat-retaining material is a heat-generating aerogel sheet layer. The preparation method comprises the following steps: step 1, stirring and mixing the cattle manure and the heat-retaining material immobilized rotting composite bacteria, rotting treatment, composting fermentation for 10-15 days, continuously stirring during the fermentation process, and obtaining a fermentation product; and step 2, drying the fermentation product at 25-30 DEG C to obtain the cattle manure water rotting agent. The cattle manure rotting agent is obtained by mixing, fermenting and drying the cattle manure and the heat-retaining material immobilized rotting composite bacteria, has the effect of self-heating and heat preservation, can realize rapid heating fermentation at low temperature (below 0 DEG C), and can realize heat preservation rotting at the same time, so that the high-temperature period is advanced and prolonged, and the composting process is accelerated.

The present application relates to the field of biotechnology science, and more particularly to an ecological technology method for efficiently reducing antibiotic-resistant genes in cow dung; by introducing a certain amount of angelica residue and cow dung to improve the self-pollution control ability of earthworms, the antibiotic-resistant gene pollutants in the cow dung are efficiently eliminated, the removal rate of beta-lactam antibiotic-resistant genes can be increased to more than 80%, the removal rate of sulfonamide and tetracycline-resistant genes also reaches 60%-70%, and the reduction of mobile transmission elements is also increased from about 30% of the conventional conversion method to more than 60%, and further, the present application can also make full use of traditional Chinese medicine residue and cow dung waste, so as to achieve the purposes of waste-to-resource, harmless treatment and safe resource utilization.

The utility model discloses a kind of cattle dung rapid cleaning device of scraper conveying structure, scraping and conveying subassembly include the connecting rod of fixed connection in two supports one end, the top of two connecting rods is fixedly connected with fixed seat, the side of two fixed seats is rotatably connected with connecting block, the side of two connecting blocks is fixedly connected with support frame, the bottom of support frame is equidistantly fixedly connected with multiple lever, between two supports fixedly connected with inclined plate, between two supports rotatably connected with conveying belt, the top of two supports is fixedly connected with baffle, the utility model, when forwardly pushing cleaning device, the surface of the lever of front end is diamond shape, so that can push and scatter the cattle dung on ground, then shovel down through inclined plate, drop to the top of conveying belt and transport, so that when using, cattle dung can be cleaned more conveniently, improve the working efficiency in cattle dung cleaning process.

The application discloses a planting method for improving corn yield and belongs to the technical field of corn planting. The planting method comprises the following steps: applying a compound microbial fertilizer as base fertilizer before sowing and additionally applying the compound microbial fertilizer during the corn growth period; the compound microbial fertilizer contains the following components in parts by weight: 38 parts of compound microbial bacteria, 42 parts of rotten cow dung, 12 parts of corn straw powder, 20 parts of wood ash, 7 parts of humic acid and 4 parts of potassium sulfate. The compound microbial bacteria comprise bacillus subtilis, bacillus licheniformis and bacillus laterosporus, and the ratio of the three is 0.8:1:1.2. The application improves the soil structure by using the biological microbial fertilizer, increases the soil organic matter content, improves the soil aggregate structure, makes the corn grow more robust, has more large grains and increases the thousand-grain weight, and thus significantly improves the corn yield and quality.

The present application belongs to the technical field of industrial waste agricultural and forestry resource utilization, and particularly relates to a kind of asphalt mixing station recycled powder landscaping nutrient soil and a preparation method thereof.The asphalt mixing station recycled powder landscaping nutrient soil according to the present application is composed of the following raw materials in parts by weight: recycled powder 50-75 parts, biological organic fertilizer 20-45 parts, matured cow dung 3-25 parts, mushroom dregs 2-10 parts, furfural residue 1-5 parts, vermiculite 2-15 parts, landscaping nursery stock formula fertilizer 0.2-0.5 parts, and water-retaining agent 1-5 parts.The asphalt mixing station recycled powder landscaping nutrient soil according to the present application solves the technical problem of limited consumption capacity of industrial resource utilization of asphalt mixing station recycled powder, innovates the agricultural and forestry resource utilization technical method of preparing landscaping nutrient soil with asphalt mixing station recycled powder as the main component, and improves the digestion and disposal capacity of asphalt mixing station recycled powder.