517 results about "Poultry manure" patented technology

The invention discloses a method for fertilizing dry land white slurry soil by coupling liquid fermentation cow dung and straw to return to field. The Baijiang soil fertilizing method provided by the invention comprises the following steps of: throwing crop straws and stubbles into the field in a full amount, then sowing liquid fermented cow dung, and turning over and burying soil; the liquid fermented cow dung dirt is a product obtained by anaerobic fermentation of cow dung, urine and colony house flushing sewage. According to the method, the liquid fermented cow dung and the straws are fully crushed and returned to the field to jointly fertilize the Baijiang soil, so that the cultivated land quality of the Baijiang soil can be remarkably improved, the straw decomposition and nutrient release rate can be accelerated, planting and breeding circulation and livestock and poultry manure resource utilization can be promoted, and the method has important significance on guaranteeing the national food safety.

The invention provides a microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and a preparation method of the microbial agent type bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening comprises the following raw materials: an organic material, a microbial agent, an inorganic nutritional ingredient, vinasse and an additive, wherein the organic material is composed of livestock and poultry manure, crop straw, tobacco waste and a fermentation inoculant; the additive is prepared from humic acid, seaweed extract and amino acid. The organic fertilizer contains rich organic materials and humic acid, the content of organic matters in soil can be increased, the granular structure of the soil can be improved, the growth of soil-borne pathogenic bacteria can be inhibited by the added multiple beneficial microorganisms, the micro-ecological environment of the soil can be improved by the photosynthetic bacteria, and the incidence rate of diseases such as tobacco black shank and bacterial wilt can be reduced.

The invention discloses an ecological planting method for remarkably improving the amino acid content of citrus, which comprises the following steps: (1) mixing and fermenting pruned citrus branches, weed straws, livestock and poultry manure and indigenous probiotic ferment powder to prepare a basic microbial fertilizer, and adding a calcium magnesium phosphate fertilizer and monopotassium phosphate to prepare a special microbial fertilizer for citrus, applying as a base fertilizer in winter; (2) after citrus pruning, in key phenological periods such as a flower bud period, a young fruit period and a fruit swelling period, an indigenous probiotic enzyme diluent with a specific dilution ratio is used for systematic foliage spraying on a tree body. The indigenous probiotic enzyme contains bacillus amyloliquefaciens, saccharomycetes, active enzymes and a plurality of nutrient elements. The method can significantly increase the total amino acid content of citrus fruits, greatly increase the yield, improve the taste of the fruits, enhance the tree body resistance, reduce the use of chemical pesticides, improve soil, and realize quality improvement, yield increase and green sustainable development of citrus planting.

The invention provides a saline-alkali soil multi-source carbon sequestration synergistic wheat yield-increasing and quality-improving fertilization method, and belongs to the technical field of crop cultivation. The fertilizing method comprises the following steps: applying a base fertilizer to wheat, wherein the base fertilizer comprises decomposed livestock and poultry manure and biochar; the base fertilizer contains 4-6t / hm < 2 > of organic carbon, and the organic carbon input ratio of the decomposed livestock and poultry manure to the biochar is (1-3): (1-3). The soil carbon sequestration capacity is improved through the synergistic effect of the multi-source carbon sequestration materials, the wheat yield and the grain zinc content are remarkably improved by combining precise nutrient regulation and control, meanwhile, the content of organic matter in saline-alkali soil is improved, and the method is suitable for wheat cultivation in saline-alkali soil with the pH being 8-9 and the salt content being smaller than or equal to 0.3%.

The invention provides a biological organic fertilizer and a preparation method thereof. The biological organic fertilizer is prepared from the following raw materials in parts by weight: 10 to 15 parts of rice husk, 8 to 12 parts of peanut shell, 10 to 15 parts of bagasse, 15 to 20 parts of straw, 20 to 25 parts of livestock manure, 5 to 10 parts of pond sludge, 3 to 5 parts of plant ash, 5 to 10 parts of oil meal, 5 to 10 parts of ammonium phosphate, 2 to 5 parts of low-temperature complex microbial inoculants, 3 to 6 parts of seaweed oligosaccharide, 5 to 10 parts of modified vermiculite powder and 10 to 20 parts of photothermal conversion microspheres. According to the invention, waste is taken as a basic raw material and is matched with ammonium phosphate to rapidly supplement available nutrients, and meanwhile, the low-temperature complex microbial inoculant, the modified vermiculite powder and the photothermal conversion microspheres are introduced to form a synergistic interaction system. Vermiculite powder is modified, so that the nutrient adsorption and slow release capability is improved, a carbon source and low-temperature protection are provided for microorganisms, and the cell membrane stability is enhanced. The photothermal conversion microspheres efficiently absorb sunlight and convert the sunlight into heat energy, a local and mild heat island effect is formed around the fungicide, the microenvironment temperature is increased, breeding of the fungicide is remarkably accelerated, and therefore organic matter decomposition and nitrogen conversion are accelerated.

The invention belongs to the technical field of microorganisms, and particularly discloses a nitrogen-preserving and deodorizing microbial agent as well as a preparation method and application thereof in livestock and poultry manure compost, and the nitrogen-preserving and deodorizing microbial agent is particularly suitable for efficiently removing ammonia gas and hydrogen sulfide. The microbial agent is composed of two kinds of functional deodorization strains, and the two kinds of functional deodorization strains are the bacillus subtilis for composting and the bacillus sojae for soybean, and the two kinds of functional deodorization strains are the bacillus subtilis for composting and the bacillus sojae for soybean. Experiments prove that the two strains have no antagonism, and show good synergistic nitrogen conservation and deodorization capability after being compounded. In practical application, the complex microbial inoculant not only enables the total nitrogen to be increased by 24.95%-31.58% compared with a control group, but also can remarkably reduce the release concentration of NH3 and H2S in the livestock and poultry manure composting process, and the removal efficiency reaches 73.75%-82.32% and 79.73%-96.11% respectively. In addition, the microbial inoculum is simple and convenient in preparation process, convenient to operate in the using process and low in cost, effectively solves the problems of weak nitrogen conservation and deodorization effects, slow effect and the like of the existing microbial inoculum, and has good engineering application value and popularization prospect.

The invention discloses a special organic fertilizer for soybeans and a preparation method thereof, and belongs to the technical field of organic fertilizers. The special organic fertilizer for soybeans is prepared from the following raw materials in parts by weight: 8-10 parts of fish protein modified charcoal, 40-50 parts of decomposed soybean meal, 20-25 parts of decomposed livestock and poultry manure, 15-20 parts of humic acid, 10-15 parts of plant ash, 3-5 parts of a seaweed extract and 0.1-0.3 part of ammonium molybdate. According to the organic fertilizer, the soybean meal fermented by the trichoderma reesei and the aspergillus awamori and the fish protein modified biochar are added, the two components are compounded with the cooked livestock and poultry manure, the humic acid, the plant ash, the seaweed extract and the ammonium molybdate to form the organic fertilizer, the nitrogen fixation capacity of the soybeans is effectively improved through the synergistic effect of various substances, and the growth and development of the soybeans are remarkably promoted; the soybean yield and quality are improved. In addition, the whole organic fertilizer preparation process is free of strong acid and strong alkali treatment, the environmental pollution risk is reduced, and the standard of organic agriculture is met.

The invention discloses an organic fertilizer and a preparation method thereof, and belongs to the technical field of agricultural waste resource utilization and fertilizer preparation. The preparation method of the organic fertilizer comprises the following steps: mixing the livestock and poultry manure with the straw powder, adding the biological compound enzyme for enzymolysis, and fermenting by using the compound bacteria liquid and the nitrogen-retaining agent to obtain the organic fertilizer. The problems that existing organic fertilizers are low in fermentation efficiency, large in nitrogen loss, poor in nutrient effectiveness and low in raw material utilization rate are solved. Through the integrated agricultural waste treatment technology of enzymolysis pretreatment, compound bacteria synergistic fermentation and adsorption, slow release and nitrogen conservation, agricultural waste resource utilization is achieved, the organic matter content of the prepared organic fertilizer is larger than or equal to 68%, the nitrogen retention rate is larger than or equal to 92%, the total nutrient is larger than or equal to 8.2%, the nutrient effectiveness is high, and the organic fertilizer is suitable for planting of various crops.

The utility model discloses a dehydrator for livestock and poultry manure, relates to the technical field of manure dehydration, and provides the following scheme aiming at the problems that in the prior art, along with gradual extrusion dehydration of the manure, the manure is easy to cake in a cylinder, and the difficulty of discharging the cake-shaped manure is increased, the dehydrator comprises a bottom plate, and a conveying cylinder is arranged above the bottom plate; and a spiral conveying roller is rotationally connected into the conveying cylinder. The spiral conveying roller rotates, excrement in the conveying cylinder is conveyed and extruded towards the conical pipe, the dehydrated excrement is gradually extruded into cakes to be stacked in the discharging ring along with continuous conveying and extruding of the excrement, the rotating rod rotates, then the connecting pipe, the connecting rod and the discharging ring rotate, and the excrement is discharged through the discharging ring. The different discharging rings are sequentially located between the baffle and the conical pipe, when the discharging ring with cake-shaped excrement is located on one side of the baffle, the push rod motor stretches out and draws back, and the cake-shaped excrement is pushed out of the discharging ring through the push plate.

The invention discloses a method for improving soil fertility of an orchard in a Yellow River old lane area. The orchard is covered with green grass; after the fruits are harvested and before leaves fall, a first fertilization ditch is dug at a crown water drip, and smashed straw, base fertilizer and surface soil are sequentially laid in the first fertilization ditch from bottom to top; meanwhile, digging 3-4 radial second fertilization ditches according to a water drip from a trunk to a crown, sequentially laying dry branches and fallen leaves, wheat straws and livestock and poultry manure in the second fertilization ditches from bottom to top, and putting earthworms into surface straws of the second fertilization ditches; a humic acid-containing water-soluble fertilizer is applied in a drip irrigation manner during topdressing. Therefore, through the synergistic effect of multiple technical measures such as orchard grass covering, organic fertilizer layer application, earthworm density increasing and bio-fertilizer application increasing, a benign soil ecological system is constructed, and therefore the problems that the content of organic matter in orchard soil in the Yellow River old road area is low, and the water and fertilizer retention capacity is weak are effectively solved, the soil fertility is remarkably improved, and the yield of the orchard is increased. And the fruit yield and quality are improved.

The utility model provides a livestock and poultry manure impurity removal device which comprises a material box, a feeding device, a screening device and a stirring device, materials enter the material box from the feeding device, and most impurities in the materials can be removed through stirring and pushing of the stirring device and screening of the screening device. Materials are primarily screened through the feeding device, are homogenized and pushed through the stirring device, and are secondarily screened through the screening device, and most impurities in the materials can be removed, so that the cost of manually picking the impurities is saved, the failure rate of the reactor is reduced, and the production efficiency is improved. The agricultural solid waste treatment effect is improved, impurities left on the second sieve plate can be removed through a conveyor belt scraper in the operation process, the material screening efficiency is improved, and the second sieve plate is prevented from being blocked.

This invention relates to the technical field of poultry manure treatment equipment, and discloses a livestock and poultry manure drying and treatment mechanism, including a preheating furnace and a drying furnace. Both the preheating furnace and the drying furnace have stirring components installed in their inner cavities. The preheating furnace has a jacket on its outer wall. The inner cavity of the drying furnace communicates with the jacket, and a cyclone dust collector is installed between the inner cavity of the drying furnace and the jacket. One end of the cyclone dust collector's air inlet communicates with the inner cavity of the drying furnace, and one end of the cyclone dust collector's air outlet communicates with the air inlet of the jacket. This livestock and poultry manure drying and treatment mechanism achieves highly efficient dehydration: by installing a unique stirring component inside the drying furnace, especially an inclined trowel, the fluid livestock and poultry manure can be continuously and evenly spread onto the inner wall of the drying furnace and scraped, greatly increasing the contact area between the manure and hot air, accelerating the evaporation rate of moisture, and achieving rapid dehydration. Compared with traditional treatment methods, the dehydration efficiency is significantly improved.

The invention provides a top-spraying feeding type high-temperature activation furnace and a control method thereof.The activation furnace comprises a vertical furnace body, and a fuel nozzle, a first combustion-supporting air nozzle, a cooling liquid nozzle and a cold air nozzle are sequentially arranged on a first section, a second section, a third section and a fourth section in a hearth of the vertical furnace body from top to bottom; a reduction gasification area, a peroxidation combustion area, a primary cooling area and a secondary cooling area are sequentially defined in the hearth so as to control the temperature in different areas; the fuel nozzles are arranged in pairs and arranged around the center circle of the hearth in a symmetrical tangent circle opposite spraying mode so that opposite flow can generate turbulent disturbance in the center area of the hearth to establish a first swirling flow field, and a feeding nozzle is arranged on the furnace top of the vertical furnace body to be communicated with the hearth and spray materials towards the first swirling flow field to form top combustion. Therefore, the high-temperature activation treatment of the livestock and poultry excrement is realized.

The present invention provides a method for enhancing the removal of resistance genes and promoting humification in aerobic composting. The method comprises the following steps: mixing livestock and poultry manure with a composting auxiliary material, adjusting the moisture content to 55%-65%, and adding a MnFe2O4 additive to obtain a composting raw material; aerobically composting the material, turning the compost every 2-3 days during a temperature rise period and a high temperature period, and every 7 days during a temperature fall period and a mature period, with the aerobic composting time being 20-30 days. Compared with a conventional composting method, the relative abundances of sulfonamide, tetracycline, macrolide, and aminoglycoside resistance genes in the mature compost obtained by the method are reduced by 60%-73%, 50%-57%, 20%-80%, and 45%-66%, respectively, and the humic acid (HA) content is increased by about 15%. Meanwhile, the method achieves efficient harmlessness and resource utilization of organic solid waste, and has the potential for large-scale production.

The invention belongs to the technical field of agricultural fertilizers, and discloses a preparation process and application of a medical stone double-effect organic fertilizer with soil improving and growth promoting functions, the medical stone double-effect organic fertilizer comprises the following components by weight: 20-40 parts of activated medical stone powder with a particle size of less than or equal to 0.1 mm, and activated by a citric acid solution; the decomposed organic material is prepared by mixing livestock and poultry manure and crop straw according to the mass ratio of 2: 1-4: 1 and performing aerobic composting fermentation through a compound microbial agent, and the water content is smaller than or equal to 30%; the microbial agent contains phosphate solubilizing bacteria, nitrogen-fixing bacteria and rhizosphere growth-promoting bacteria, and the effective viable count is greater than or equal to 2 * 10 CFU / g; the auxiliary material comprises bentonite, a polyacrylamide water-retaining agent and a pH (Potential of Hydrogen) regulator, and the proportion of the bentonite is greater than or equal to 30 percent. The adsorption-desorption performance of the medical stone is enhanced by activating the medical stone through citric acid, and a synergistic system of water retention, fertilizer supply and growth promotion is formed by combining decomposed organic materials and functional microorganisms. According to the fertilizer, the stability of a soil aggregate structure can be remarkably improved (increased by 15-20%), the yield increasing rate of crops reaches 20-30%, and 30% of chemical fertilizer dosage is reduced. The method is suitable for acid soil remediation, continuous cropping obstacle treatment and economic crop planting.

A method for enhancing resistance gene removal and promoting humification in an aerobic compost, which method comprises mixing livestock and poultry manure with compost auxiliary materials, adjusting the water content, adding an MnFe2O4 additive, and then performing aerobic composting for 20-30 days. Compared with conventional composting methods, the mature compost product obtained by means of the method exhibits a 60%-73% reduction in the relative abundance of sulfonamide resistance genes, a 50%-57% reduction in tetracycline resistance genes, a 20%-80% reduction in macrolide resistance genes, and a 45%-66% reduction in aminoglycoside resistance genes, and shows approximately a 15% increase in humic acid HA. This method achieves both efficient harmless treatment and resource utilization of organic solid waste.

The utility model discloses a livestock manure anaerobic fermentation device, and belongs to the technical field of manure fermentation. The livestock manure anaerobic fermentation device comprises a fermentation tank and further comprises two sliding blocks which are both arranged in the fermentation tank, a transversely-arranged supporting rod is fixedly connected between the inner walls of the fermentation tank, one sliding block is in sliding connection with the supporting rod, and a driving part for driving the sliding blocks to transversely slide is arranged on the fermentation tank; the fixed plate is fixedly connected between the two sliding blocks, stirring blades are rotatably mounted below the fixed plate through a stirring shaft, a connecting part is arranged on the fermentation tank, and when the driving part drives the sliding blocks to slide, the connecting part drives the stirring blades to rotate; according to the stirring device, the sliding block transversely slides along the supporting rod through the driving part, then the stirring blades are driven to synchronously move through the fixing plate, the stirring blades are driven to rotate through the connecting part, movable stirring is carried out, stirring is more sufficient, and the fermentation efficiency is improved.

The invention discloses a method for intelligently regulating and controlling the carbon nitrogen ratio of straw and livestock and poultry manure and efficiently decomposing the straw and the livestock and poultry manure, and belongs to the technical field of agricultural waste resourceful treatment technology and environmental engineering, and the method comprises the following steps: S1, carrying out online component detection on input straw and livestock and poultry manure, automatically mixing the materials to a preset initial carbon-nitrogen ratio based on a detection result, and inoculating a microbial agent; meanwhile, on the basis of the initial material component data, a personalized digital twinborn body of the batch of materials is constructed; the in-situ spectrum technology is used for monitoring the change of the carbon-nitrogen ratio in the pile body in real time, the unbalance trend of the pile body is predicted in combination with the digital twinborn model, the execution unit is driven to carry out local and trace material supplement adjustment, and the lag mode of traditional static matching and off-line sampling inspection is fundamentally changed. The dynamic closed-loop regulation and control can accurately control the fluctuation range of the carbon-nitrogen ratio in the whole decomposition period within + / -5, and a continuous and stable optimal nutrition environment is created for microorganisms.

The invention discloses a composite high-temperature bacterial agent and a method for promoting humification of compost by using the composite high-temperature bacterial agent. The composite high-temperature bacterial agent comprises at least one or two of bacillus thermotolans and Novibacillus thermophilus. The complex microbial inoculant disclosed by the invention is a thermophilic complex microbial inoculant, can directly utilize nutrient substances in organic solid wastes such as municipal sludge, livestock and poultry manure, agricultural residues, kitchen wastes and the like to grow and breed, and meanwhile, humus in compost is reduced; hydroxyl free radicals are continuously generated along with the change of anaerobic / aerobic alternating conditions of the compost, and the humification process of the compost is promoted through the free radicals.

The invention relates to the technical field of intelligent regulation and control, and discloses an intelligent regulation and control method for combined composting of waste mushroom sticks and livestock manure based on the Internet of Things. The method comprises the following steps: performing three-dimensional monitoring on a composting site through an Internet of Things sensor, constructing a strong-connectivity directed topological graph based on the cellulose content of mushroom sticks and the nitrogen-phosphorus ratio of livestock and poultry manure, generating a feasibility detection report by applying a biochemical reaction adaptability detection algorithm, distributing tasks of multi-actuator equipment according to the emergency degree, and planning a collaborative operation path. And performing precise regulation and control by utilizing a regulation and control parameter combination of the mushroom stick-excrement mixing proportion coefficient regulation equipment, and finally evaluating a regulation and control effect and adaptively updating a mixing proportion coefficient parameter. According to the invention, the problems of insufficient regulation and control precision, low equipment cooperation efficiency and lack of parameter optimization capability caused by lack of an intelligent cooperative regulation and control method based on the Internet of Things in the existing waste mushroom stick livestock and poultry manure composting technology are solved.

The invention provides a compound fertilizer for improving acid soil as well as a preparation method and application thereof, and belongs to the technical field of fertilizer preparation. The compound fertilizer comprises the following components in percentage by weight: 40-55% of poultry manure biochar, 20-35% of a medium element compound, 10-20% of a compound conditioner and 5-10% of a binder. The compound fertilizer can quickly and enduringly neutralize soil acidity, effectively passivate aluminum and manganese ion poison, accurately supplement calcium, magnesium, sulfur and other salt-based nutrients, improve the soil structure and fertilizer retention ability, and overcome the oneness and short-term effect of a traditional lime improvement method. The perfect combination of agricultural waste recycling and acid soil comprehensive treatment is realized, and the fertilizer is an efficient, environment-friendly and multifunctional soil improvement type fertilizer.

The invention relates to the technical field of organic fertilizer production, in particular to a mixed organic fertilizer based on livestock and poultry manure and a production process thereof, and the mixed organic fertilizer comprises the following raw materials: livestock and poultry manure, straw powder, plant ash, modified humic acid, a complex microbial inoculant, a modified water-retaining agent, a trace element additive and a binder. According to the invention, the modified humic acid is subjected to activation and integration treatment, so that the capability of exciting soil activity and stabilizing nutrients of the modified humic acid is remarkably improved; the complex microbial inoculant adopts a microcapsule embedding technology, so that the activity of functional microorganisms is effectively protected, and the functional microorganisms can stably survive and continuously play a role in a fertilizer environment; the modified water-retaining agent forms a three-dimensional network structure through graft copolymerization, and has excellent water absorption and retention performance and nutrient slow release function.

The utility model discloses a livestock and poultry manure two-phase hydrolysis device which comprises a hydrolysis tank body, a water seal tank used for conveying livestock and poultry manure, a shaftless screw conveyor used for conveying livestock and poultry manure and a jacket installed on the outer wall of the hydrolysis tank body in a matched mode, and a two-phase partition plate is installed in the hydrolysis tank body. According to the utility model, the hydrolysis tank body is divided into the anaerobic zone and the aerobic zone by utilizing the two-phase partition plate, and the livestock and poultry manure is pretreated by utilizing the characteristics of two-phase hydrolysis and combining the advantages of aerobic hydrolytic bacteria and anaerobic hydrolytic bacteria, so that the hydrolysis efficiency of raw materials is improved, and the loss of the raw materials in the stage can be reduced.

The utility model relates to livestock and poultry manure processing technical field discloses livestock and poultry manure automatic separation processing structure, including work box, the outer wall fixed connection of work box has the motor, the output fixed setting of motor has the connecting shaft, both ends of connecting shaft all are fixedly connected with eccentric holder, the inner wall sliding connection of eccentric holder has the gyro wheel, the inside rotation of gyro wheel is connected with transmission frame, the upper surface fixed connection of transmission frame has the screen cloth, the inside sliding connection of screen cloth has the sliding block, the lower surface fixed connection of screen cloth has the spring, the outer wall of work box is provided with the male plate. In the utility model, through the cooperation between motor, connecting shaft, eccentric holder, gyro wheel, transmission frame and sliding block, livestock and poultry manure is fully turned over and vibrated on the screen surface, improves the efficiency of solid -liquid separation, and through the spring, the collision or impact between screen cloth and other components is slowed down, thereby prolonging the service life of screen cloth and related components.

The invention relates to the technical field of fertilizer processing, and provides a method and a device for preparing farmyard manure by quickly decomposing livestock and poultry manure, the method comprises the following steps: S1, raw material pretreatment: mixing fresh livestock and poultry manure with crushed straw to obtain a mixture; s2, pre-activating a complex microbial inoculant, wherein the complex microbial inoculant comprises an anaerobic microbial inoculant group and an aerobic microbial inoculant group; s3, performing two-stage fermentation: performing first-stage anaerobic fermentation, namely uniformly inoculating the anaerobic bacterium agent group pre-activated in the step S2 into the mixed material pretreated in the step S1; second-stage aerobic fermentation: uniformly inoculating the aerobic microbial agent group pre-activated in the step S2 to the material subjected to anaerobic fermentation, and placing the material in a horizontal fermentation tank for aerobic fermentation; stacking the materials in the horizontal fermentation tank into strip stacks for aerobic fermentation; and S4, post-treatment: carrying out decomposition degree detection on the material in the step S3, and completing fermentation to obtain the decomposed farmyard manure. The invention solves the problems of incomplete decomposition, odor pollution and nutrient loss in the existing farmyard manure prepared by decomposing livestock and poultry manure.

The production method comprises the following steps: S1, raw material pretreatment: mixing livestock and poultry manure, straws and humic acid according to a mass ratio of (3-5): (2-4): (1-2), crushing the mixture until the particle size is less than or equal to 5mm, and adjusting the moisture content of the mixture to 50-60% and the pH value to 6.5-7.5; s2, composite strain inoculation: inoculating the pretreated mixture with a composite microbial strain, wherein the inoculation amount is 0.5-2% of the total mass of the mixture. In the process level, the nutrient utilization rate and the biological activity of the finished fertilizer are improved by scientifically proportioning the raw materials, optimizing fermentation parameters and adding a synergist; on the device level, efficient turning and automatic sampling detection are integrated, the moisture content in the raw materials is detected through multiple times of sampling and extrusion, the production quality of the organic fertilizer is ensured, and intelligent regulation and control of the production process are achieved.

The invention provides an excrement-water separation device for livestock and poultry excrement, and belongs to the technical field of livestock breeding. Comprising a semi-enclosed working cavity with an opening in the upper portion, a frame body arranged on the opening side of the working cavity, a plastic drainage belt arranged on the frame body, an extrusion assembly arranged on the side, close to the interior of the working cavity, of the frame body, and a drainage channel used for drainage. According to the manure-water separation device for the livestock and poultry manure, water in the manure is discharged out of the working space in the vertical direction through the plastic drainage belt and the extrusion assembly for generating positive pressure in the closed space, and the manure-water separation work can be efficiently completed through the solid-liquid separation mode.

This application discloses a desalination system and method for kitchen waste. The system includes a filter press chamber, a feeding chamber, a washing chamber, an oil-water buffer tank, and a solid material silo connected in sequence. The filter press chamber is equipped with a cross-shaped rotating filter plate and a filter press pusher cylinder to achieve preliminary desalination of kitchen waste through filter pressing. The feeding chamber transports the solid material after filter pressing to the washing chamber through a feeding mechanism. The spray pipes and circulating pump in the washing chamber form a hot water circulating spray system. The oil-water mixture at the bottom of the washing chamber enters the oil-water buffer tank through an overflow hole, and the oil and water are automatically separated by a capacitive oil level sensor and an electrically controlled valve. The receiving screen sends the desalinated solid material into the solid material silo. By adopting the above solution, this invention can solve the technical problems of low salt removal efficiency and waste of resources, difficulty in separating oil and water layers that easily leads to secondary pollution, low degree of process automation resulting in cumbersome and unstable operation, low equipment integration and poor compatibility with existing production lines of livestock and poultry manure treatment enterprises in the current pretreatment of kitchen waste.

The livestock manure collecting and fermenting device comprises a guide groove, a portal frame body, a film rolling shaft, an unwinding supporting assembly and a rolling plate, the guide groove is formed above a retaining wall, the portal frame body can slide on the guide groove, and the portal frame body can move among a plurality of composting grooves through a movement mechanism; the film rolling shaft is rotationally connected to the portal frame body, the nanometer film can be rolled on the film rolling shaft, the unwinding supporting assembly is fixedly connected to the portal frame body and arranged on the side of the film rolling shaft, the unwinding supporting assembly can support the nanometer film between the film rolling shaft and the surrounding wall when the nanometer film is laid, the winding plate is fixedly connected to the portal frame body, and the winding plate is fixedly connected to the portal frame body. The film rolling shaft is arranged between the rolling plate and the unwinding supporting assembly, when the nanometer film is rolled, the rolling plate supports the nanometer film, and the technical problem that in the related technology, when the nanometer film is used for composting, time and labor are wasted when the nanometer film is uncovered and laid during pile turning is solved.

The utility model discloses integrated fermentation equipment for recycling cow dung and bedding in bed, and relates to the technical field of resource utilization of livestock and poultry manure. The equipment comprises an aerobic fermentation system and a solid-liquid re-separation system, wherein the solid-liquid re-separation system comprises a machine body, and a transfer mechanism, a re-separation mechanism and a scraping mechanism which are mounted on the machine body; a discharging port of the transfer mechanism is connected with a feeding port of the aerobic fermentation system, the re-separation mechanism and the scraping mechanism are located above the transfer mechanism, the re-separation mechanism is close to a feeding port of the transfer mechanism, and the scraping mechanism is close to a discharging port of the transfer mechanism. According to the equipment disclosed by the utility model, solid-liquid re-separation operation is carried out on a mixed material with relatively high humidity while the carbon-nitrogen ratio is ensured, so that an initial material with the moisture content of about 50-60% is obtained; material conveying and material feeding can be completed, the material scraping mechanism can complete downward-pressing material touching and translation material scraping, and marginalized materials or overturning scattering residual materials on the excrement bearing belt are avoided.