762 results about "Manure" patented technology

The invention provides a method for regulating and controlling fertilization based on a soil carbon sequestration rate and a land manure nutrient demand quantity, and relates to the technical field of agricultural fertilization methods. According to soil background carbon and a target nitrogen demand quantity, initial manure is calculated and applied according to a preset carbon-nitrogen ratio to start microbial activity; soil biophysical signals are monitored in real time and compared with the efficient carbon sequestration signals, when the matching degree is lower than a first threshold value, it is judged that a window period is entered, and if the matching degree is further lower than a second threshold value in the window period, second manure is immediately and dynamically calculated and dressed on the basis of the descending duration and the average value of the matching degree; when the matching degree is recovered or naturally increased to be higher than a third threshold value through a preset interval after topdressing, the window period is ended; based on the sum of all the topdressing amounts in the current period, the base fertilizer amount in the next period is corrected, and finally before the critical period of nitrogen demand, the third final fertilizer is accurately calculated and supplemented by measuring soil available nitrogen and deducting the expected nitrogen supply contribution of early-stage topdressing, so that sufficient nitrogen supply in the yield forming period is ensured.

The invention belongs to the technical field of coastal saline-alkali soil remediation, and particularly relates to a composite microbial agent for coastal saline-alkali soil remediation. The microbial agent is in a granule form, and comprises a carrier, which is a mixture of straw powder and duck manure; the active flora comprises bacillus licheniformis, bacillus megaterium, brevibacillus laterosporus, trichoderma harzianum spore powder, paenibacillus polymyxa, halomonas and pseudomonas fluorescens, the active flora is adsorbed in the carrier, and the halomonas and the pseudomonas fluorescens are subjected to embedding treatment; and the spraying film is sprayed on the surface of the carrier. Through the synergistic effect of multiple strains, the improvement effect on saline-alkali soil and the growth promoting effect on crop growth are improved, and the defect that the function of a single strain is limited is overcome.

The invention provides a Yellow River water irrigation area non-point source pollution load space-time analysis method, and relates to the technical field of Yellow River water irrigation area non-point source pollution monitoring and analysis, and the method comprises the following steps: S1, collecting and preprocessing multi-source basic data; according to the Yellow River water irrigation area non-point source pollution load space-time analysis method, total nitrogen and ammonia nitrogen are accurately recognized as core pollutants through three-stage fuzzy comprehensive evaluation, the recognition accuracy is improved to 90% or above, and the problem that recognition is fuzzy in a traditional method is solved; by combining nitrogen and oxygen isotopes and a flora active chip, the manure sewage is determined as a main source of nitrogen for the first time, the traceability error is controlled within 10%, and the pollution source analysis blank is filled up; a core pollution area is defined through a gravity center migration model, the pollution load space-time distribution visualization degree is improved by 60%, and area differentiation treatment is achieved; a coupling migration model is constructed, the mechanism of reverse migration of pollutants caused by irrigation return water is clarified for the first time, and the interpretation precision reaches 85%.

The invention relates to the technical field of animal cub culture, in particular to an animal cub culture device for animal husbandry veterinarians, which comprises a culture box, a transparent door plate slidably connected to the culture box, a hollow plate inserted into the culture box, an excrement groove hung at the rear end of the culture box, a diversion groove formed in the lower end in the culture box, and a discharge groove formed in the rear wall of the culture box. The driving assembly is located in the incubator and comprises two movable blocks, the upper ends of the movable blocks are fixedly connected with push blocks, a guide rail is fixedly arranged on the top face of the upper end of the incubator, the upper ends of the two push blocks are slidably connected with the guide rail, and the outer walls of the two sides of each movable block are communicated with a plurality of nozzles. The flushed and disinfected area is dried through hot air, the cleaning effect of excrement of the cubs is improved, excrement residues are reduced, bacterium breeding is reduced, a healthy environment is provided for cub culture, and the morbidity of diarrhea, skin diseases and the like of the cubs is reduced.

The invention provides a nutrient balance calculation method, device and equipment and a storage medium, and the method comprises the steps: obtaining crop related data of crops in a target region, the nutrient content of an organic fertilizer, the heavy metal content of manure, and soil related data of the target region, determining the maximum application amount and the safety upper limit of the manure based on the related data, the manure heavy metal content, the organic fertilizer nutrient content and the soil related data, and determining the safety upper limit of the manure based on the safety upper limit and the maximum application amount of the manure; determining total nutrient data of the crop in the whole growth period based on the related data, and determining restrictive elements based on the total nutrient data; determining the maximum application amount of the organic fertilizer based on the restrictive elements, the manure safety upper limit and the total nutrient data; and based on the maximum application amount of the organic fertilizer, the total nutrient data and the manure nutrient content, determining the chemical fertilizer supplement amount of the target area.

The utility model discloses a fermented bacterial fertilizer preparation device, and belongs to the technical field of bacterial fertilizer preparation. The preparation device comprises a bottom plate, a mounting frame fixedly mounted at the top of the bottom plate, a storage box slidably mounted on the mounting frame and used for storing bacterial manure, a conveying table fixedly mounted at the top of the bottom plate and a conveying belt arranged on the conveying table. The drying chamber is fixedly installed at the top of the conveying table, the electric heating pipe is fixedly installed in the drying chamber and used for drying bacterial manure, a discharging mechanism used for discharging the bacterial manure is arranged in the storage box, and the discharging mechanism comprises a guide plate fixedly installed in the storage box and a moving plate installed in the storage box in a sliding mode; through cooperative use of the devices, the bacterial fertilizer can fall onto the conveying table through the storage box, the conveying belt on the conveying table can drive the bacterial fertilizer to enter the drying chamber to be dried, meanwhile, the bacterial fertilizer can be driven to be separated from the device after drying is completed, and the burden of workers is relieved.

The invention discloses a domestication method for efficiently degrading tobacco waste to produce hydrogen by using mixed flora, which comprises the following steps: carrying out anaerobic enrichment domestication culture by taking manure compost as a bacterial source and cellulose prepared from tobacco waste as a core component of a domestication culture medium; the domestication culture medium contains cellulose, ammonium bicarbonate and monopotassium phosphate, and the cellulose concentration gradient is gradually increased without adjusting the pH value; stopping culturing when the hydrogen content in the biogas is reduced by 10%, transferring the biogas to a fresh domestication culture medium for passage according to an inoculum size of 10-20%, and continuously domesticating for 20-40 rounds; inoculating the domesticated mixed flora culture solution into a cellulose liquid fermentation culture medium containing microcrystalline cellulose, ammonium bicarbonate, monopotassium phosphate and a nutrient solution according to the inoculum size of 10-20%; the initial pH of the fermentation liquor is adjusted to 6.5-7.5, high-purity nitrogen is introduced to create an anaerobic environment, and hydrogen is produced through fermentation under the conditions of 35 + / -1 DEG C and 120 r / min. According to the method, flora is easy to culture, hydrogen production is efficient and stable, tobacco waste resources can be utilized, flora stability is high, adaptability is high, and strict sterile conditions are not needed.

This invention relates to the field of manure cleaning devices, and discloses a manure cleaning device for dairy farming, including a fixing mechanism, which further includes a connecting column. A limiting rod is slidably connected to the outer wall of the connecting column. A first connecting head is fixedly connected to the front of the limiting rod, and a second connecting head is fixedly connected to the back of the limiting rod. A pressure rod is provided, and the rotating pressure rod squeezes the manure in segments, so that the subsequent scraper applies a pushing force to the manure, causing the manure on both sides and the water inside the manure to converge towards the middle. This prevents the water inside the manure from moving to the bottom of the ditch when the scraper squeezes the solid-liquid mixture of manure. Because a large amount of liquid moves downward, it will increase the viscosity of the manure at the bottom, causing a large amount of manure to remain stuck to the bottom of the ditch after being scraped by the scraper, which is difficult to remove, resulting in a reduction in the effective volume of the manure ditch.

This utility model relates to the technical field of harmless treatment of manure, and in particular to a harmless treatment device for pig manure, which improves the uniformity of manure and facilitates the mixing of manure with microorganisms, thereby improving the quality of subsequent composting and fermentation and increasing resource utilization efficiency. It includes a tank and a discharge valve connected to the bottom of the tank; it also includes a separation component, a stirring component, a separation box, a feed hopper, a drain pipe, and a conveying channel. The separation box is installed at the top of the tank, the feed hopper is connected to the top of the separation box, the drain pipe is connected to the lower part of the outer wall of the separation box, and the conveying channel is connected between the separation box and the tank. The separation box contains a separation component for separating the solid and liquid components of the manure, and the tank contains a stirring component for mixing the manure.

The utility model discloses a heat preservation, sterilization and packaging device for sheep manure organic fertilizer granules, and aims to provide a heat preservation, sterilization and packaging device for sheep manure organic fertilizer granules, which can enhance the sterilization effect and improve the separation and packaging efficiency. The device comprises a feeding bin, the feeding bin is provided with a feeding port, and the feeding port is provided with a switch structure; the upper end of the heat preservation and sterilization bin is connected with the lower end of the feeding bin, an inner cavity of the feeding bin is communicated with an inner cavity of the heat preservation and sterilization bin through a feeding port, the lower end of the heat preservation and sterilization bin is connected with a spreading plate, and the heat preservation and sterilization bin is connected with an irradiation lamp; a plurality of distribution hoppers; a plurality of material distribution pipes; a material collecting bin is movably connected below the feeding bags and the heat preservation sterilization bin, a plurality of material collecting grooves are formed in the material collecting bin, the feeding bags are arranged in the material collecting grooves, and the lower ends of the material distributing pipes are matched with the positions of the material collecting grooves. The utility model has the beneficial effects that the continuous temperature sterilization packaging operation of the equipment is realized; heat preservation and sterilization are uniform; the sterilization effect is efficiently enhanced; quantitative subpackaging is convenient for batch rapid operation.

The invention discloses a pig farm sewage treatment system and method, and belongs to the technical field of farm sewage treatment, the pig farm sewage treatment system sequentially comprises a water collecting tank, a dosing mixing tank, a solid-liquid separator, an adjusting tank, a HiRAD anaerobic device, a reaction sedimentation tank, a water quality adjusting tank, an SBR biochemical tank, a C-MBR biochemical tank, a disinfection tank and a reuse water tank; by means of the system and the method, sewage discharged by the pig farm through the liquid manure technology can be effectively purified, organic carbon in the sewage can be converted into methane to the maximum extent, the methane becomes a high-quality biomass resource, waste is turned into wealth, emission of toxic gas is avoided, it is guaranteed that the pig farm is clean and sanitary, and the economic benefits of the pig farm are improved. Infection and spreading of diseases are avoided; meanwhile, a large number of nutrient sources, such as nitrogen and phosphorus, in the sewage are converted into organic fertilizer; the purified wastewater is deeply cleaned, so that the recycling standard is met, and the cyclic utilization of resources is realized.

The invention discloses a water-absorbing material for soil water retention and fertilizer self-supply as well as a preparation method and application thereof, and relates to the technical field of soil water retention functional materials and preparation thereof. The water absorbing material is particulate matters with a graded micro-nano structure prepared by reacting natural agricultural and forestry wastes, animal wastes, acrylic acid or derivatives thereof, an initiator, a cross-linking agent and inorganic minerals; the mass ratio of the natural agricultural and forestry waste to the animal waste to the acrylic acid or the derivative thereof to the initiator to the cross-linking agent to the inorganic mineral is 100: (10-300): (500-6000): (5-100): (2-50): (10-200). The water absorbing material not only can be degraded under ultraviolet light, but also has high water absorption rate, can maintain water absorption performance after circulating freezing and thawing treatment, and spontaneously provides nutrients for soil.

This invention relates to the field of low-temperature fermentation formulation technology. The invention provides a low-temperature resistant compound bacterial enzyme formulation, its preparation method, and its application in the co-fermentation of straw and manure. The compound bacterial enzyme formulation comprises the following raw materials in parts by weight: 8-10 parts of compound bacterial agent, 1-1.4 parts of compound enzyme agent, and 88.6-91 parts of excipients. The compound bacterial enzyme formulation of this invention can ferment straw and manure under conventional conditions as well as at low temperatures of around 15°C, effectively meeting the fermentation requirements in low-temperature regions. By combining the excipients with the bacteria and enzymes, substances and nutrients during the fermentation process can be effectively adsorbed, avoiding acid inhibition, and providing attachment sites for the bacteria and enzymes, thus prolonging their activity.

The application discloses a manure liquid dynamic proportioning regulation and control method based on sensing feedback, and particularly relates to the technical field of waste fluid control, and comprises the following steps: a plurality of sensors are arranged in a manure liquid conveying pipeline, multi-parameter data such as flow, conductivity and solid content rate are collected, load fluctuation entropy values and control conflict count values are calculated, a current control state is determined, and the priority and execution frequency of proportional integral derivative control and adaptive control are dynamically adjusted based on the state result, a dilution ratio control signal is generated, a variable frequency pump and an electric valve are driven in linkage, clean water injection and manure liquid mixing control are realized, and the solid content rate is stabilized in a target range; the application realizes accurate regulation under steady state and disturbance by jointly identifying the system state through the entropy value and the conflict count and dynamically switching the control strategy priority and frequency; meanwhile, the dilution ratio control signal is linked with the variable frequency pump and the electric valve, a closed-loop dilution control path is constructed, and the intelligence and stability of the solid content rate regulation and control are improved.

This invention provides a method for monitoring and evaluating the risk of pathogenic bacteria transmission in poultry farm feces, belonging to the field of livestock and poultry biosecurity control technology. The method includes evaluating the risk of Salmonella transmission during the poultry physiological cycle, assessing the risk of antibiotic resistance associated with drug administration behavior, and monitoring the function during composting based on microbial community structure and metabolic function. This invention can accurately locate the highest-risk nodes of pathogen contamination and antibiotic resistance evolution during the breeding cycle, solving the problem of inaccurate identification of risk sources in existing technologies and avoiding poultry product contamination due to missed risk assessments. It overcomes the single-dimensional limitation of existing technologies that only detect the quantity of pathogens, comprehensively evaluating pathogen risk from phenotypic, molecular, and functional levels. The assessment results are more in line with the actual biosecurity needs of poultry farming, ultimately reducing the safety risks of poultry product contamination and the spread of antibiotic resistance.

The invention provides a black membrane oxidation pond-MBR combined system and method suitable for winter and summer dual-mode treatment of pig manure water in a cold region, and aims to solve the problems of low treatment efficiency, poor seasonal adaptability and low resource utilization rate of the pig manure water in the cold region. The system comprises a pretreatment unit, a black membrane oxidation pond unit, an MBR treatment unit, a winter and summer mode switching unit and a tail water utilization / discharge unit, by optimizing a heat preservation structure and MBR process parameters of the black membrane oxidation pond, tail water can be used for farmland resource irrigation after reaching the standard in a summer mode, and pollutant removal is enhanced in a winter mode so as to meet the emission standard. The problems of low pig manure water treatment efficiency, high cost and poor seasonal adaptability in the cold region are solved, both resource recovery and environmental safety are considered, and technical support is provided for sustainable treatment of livestock and poultry breeding wastewater in the cold region. The invention belongs to the technical field of livestock and poultry breeding wastewater treatment.

The invention relates to the technical field of fermentation, and discloses an efficient fermentation device and process for preparing organic fertilizer through livestock and poultry breeding fecund.The efficient fermentation device for preparing the organic fertilizer through the livestock and poultry breeding fecund.The efficient fermentation device comprises a fermentation barrel, a discharging pipe is arranged at the bottom of the fermentation barrel, and a rotating barrel is arranged on the inner side of the fermentation barrel; a plurality of stirring rods are symmetrically distributed on the outer side of the rotating cylinder, an aeration cylinder is further arranged at the bottom of the rotating cylinder, and the device further comprises an aeration exhaust unit arranged on the fermentation barrel. According to the efficient fermentation device for preparing the organic fertilizer from the livestock and poultry breeding feces, through the structural design of the electric push rod, the cross plate linkage sliding block and the movable plate, the opening degree of the opening can be dynamically adjusted according to the fermentation stage, and accurate matching of the aeration rate is achieved. By matching with rotary aeration of the aeration cylinder, local oxygen deficit or peroxidation is avoided, stable activity of aerobic microorganisms is guaranteed, the fermentation period is shortened, and meanwhile the organic matter content and the harmless standard-reaching rate of the organic fertilizer are increased.

The present application relates to the technical field of livestock breeding, and discloses a livestock breeding excrement fermentation treatment device, which comprises a liquid storage tank, a filtrate tank arranged above the liquid storage tank, a squeezing assembly arranged in the filtrate tank and used for squeezing excrement to remove water, and a moving assembly arranged outside the filtrate tank and used for driving the squeezing assembly to move along the length direction of the filtrate tank. A treatment box is fixedly arranged on the top of the liquid storage tank, a manure adding pipe is fixedly arranged on one end of the treatment box corresponding to the filtrate tank, and air inlet pipes and air outlet pipes are fixedly arranged on the two sides of the treatment box respectively and used for blowing out hot air along the length direction of the filtrate tank. The livestock breeding excrement fermentation treatment device can effectively solve the problem that the excrement solids are difficult to be further dried in the prior art, thereby prolonging the excrement moisture adjustment period.

The invention discloses a preparation method and application of a wormcast granular bacterial fertilizer, and the wormcast granular bacterial fertilizer is prepared by adopting a base material ratio of wormcast to humus of 7: 3 through mechanical granulation, 80 DEG C constant temperature drying, particle cooling and functional bacterial agent spraying. The product has a remarkable application effect on various crops such as corn (grain corn, fresh corn and silage corn), hot peppers, tomatoes, traditional Chinese medicinal materials (radix glehniae, radix saposhnikoviae and radix achyranthis bidentatae) and the like, can give full play to the synergistic interaction effect of organic matrixes and functional microorganisms, and is stable in fertilizer efficiency, convenient to apply and suitable for industrial continuous production and large-area popularization and application.

This invention relates to the field of water treatment, specifically to an iron-doped biomass resource-based water treatment catalyst, its preparation method, and its application. The preparation of the water treatment catalyst includes the following steps: Step 1, drying and dehydrating recovered pigeon manure; Step 2, finely sieving the dried pigeon manure; Step 3, heat-treating the purified pigeon manure in a muffle furnace to obtain resource-based biochar; Step 4, ball milling dopamine hydrochloride, ferric chloride hexahydrate, and resource-based biochar at a mass ratio of 1:(5-15):(80-100); Step 5, calcining the ball-milled material in a tube furnace at 850-950℃. The water treatment catalyst provided by this invention can rapidly reduce the antibiotic content in wastewater, while accelerating antibiotic removal under ammonia nitrogen conditions. It achieves long-term continuous purification during long-term reaction, exhibiting good stability and removal effect, and is beneficial for achieving low-cost treatment of agricultural waste and efficient purification of new pollutant wastewater.

The invention discloses a preparation method and application of a novel southern beef cattle fermentation bed, belongs to the technical field of beef cattle breeding, and aims to solve the problems that a fermentation bed is easy to harden in a southern high-humidity environment, the utilization rate of agricultural wastes is low and intelligent regulation and control of the fermentation bed are lacked. The novel southern beef cattle fermentation bed comprises an anti-leakage base layer, a fermentation main body layer and an intelligent monitoring assembly, and the fermentation main body layer adopts southern special agricultural waste sugarcane tail leaf straw and mulberry twig straw as padding and is matched with an adsorption conditioner and a compound microbial agent which are matched in a layered mode; a fermentation bed intelligent control system is linked through a LoRa wireless technology, an LSTM algorithm is combined to identify a fermentation stage and a DDPG model is combined to generate a regulation and control strategy, and an intelligent aeration device and a mechanical turning device are controlled to optimize the fermentation environment of the southern novel beef cattle fermentation bed. According to the invention, beef cattle manure in-situ degradation, agricultural waste resource utilization and beef cattle breeding environment intelligent regulation and control can be realized, pollution is reduced, breeding ecology and economic benefits are improved, and the method is suitable for large-scale breeding of beef cattle in the south.

The application provides a preparation of a fermentation bed and application of waste of the fermentation bed in preparation of special organic fertilizer for rice, belongs to the technical field of livestock breeding, and specifically relates to a fermentation bed for cattle breeding, which comprises raw materials: rice straw, rice husk, quicklime, corn flour, wheat bran, sawdust and mixed bacteria liquid A; the mixed bacteria liquid A comprises Bacillus subtilis, Clostridium butyricum, Rhodopseudomonas palustris, Saccharomyces cerevisiae and Lactobacillus acidophilus; and a special organic fertilizer for rice, which comprises components: the above-mentioned waste fermentation bed, rice straw, rice husk, wood ash, mixed bacteria liquid B and mixed enzyme preparation; the provided fermentation bed can effectively degrade cattle manure, solve the problem of dirty and smelly breeding environment, and effectively reduce the incidence of diseases such as cattle diarrhea; and the provided special organic fertilizer for rice meets the nutritional requirements of rice planting, improves the yield and stress resistance of rice, and prevents or reduces the occurrence of diseases.

The utility model relates to the technical field of quail breeding, in particular to an excrement cleaning device for quail breeding. An excrement cleaning device for quail breeding comprises an excrement frame, an excrement containing groove and a water pipe, the excrement containing groove is formed in the excrement frame, a plurality of flow dividing pipes are connected to one side of the excrement frame, the water pipe is communicated among the flow dividing pipes, water outlet grooves communicated with the flow dividing pipes in a one-to-one correspondence mode are formed in the side, close to the flow dividing pipes, of the excrement containing groove, and an electric sliding rail is installed on the excrement frame. A connecting rod is installed on a sliding block of the electric sliding rail, a sliding rod is slidably connected to the connecting rod, a sliding groove is formed in the inner side face of the excrement containing groove, a scraping plate matched with the excrement containing groove is slidably connected into the sliding groove, and the scraping plate is fixedly connected with the sliding rod. Through the water outlet groove, water is dispersed outwards when entering the excrement containing groove under the flow guide effect of the water outlet groove, excrement at the whole inner bottom of the excrement containing groove can be conveniently flushed, and meanwhile through driving of the electric sliding rail, the scraping plate automatically scrapes the inner bottom of the excrement containing groove to clean the excrement.

An automated computer-controlled sampling system and related methods for collecting, processing, and analyzing agricultural samples for various chemical properties such as plant available nutrients. The sampling system allows multiple samples to be processed and analyzed for different analytes or chemical properties in a simultaneous concurrent or semi-concurrent manner. Advantageously, the system can process soil samples in the “as collected” condition without drying or grinding. The system generally includes a sample preparation sub-system which receives soil samples collected by a probe collection sub-system and produces a slurry (i.e. mixture of soil, vegetation, and / or manure and water), and a chemical analysis sub-system which processes the prepared slurry samples for quantifying multiple analytes and / or chemical properties of the sample. The sample preparation and chemical analysis sub-systems can be used to analyze soil, vegetation, and / or manure samples. A soil collection system is disclosed which captures and directs samples to the sampling system for processing.

This utility model discloses a manure-urine separation device for dairy farming, relating to the field of dairy farming technology. It includes a support frame and a housing fixedly installed on top of the support frame, comprising a drain pipe and a feed pipe, a filter cylinder disposed inside the housing with open ends, and a spiral rod disposed inside the filter cylinder. One end of the spiral rod extends to the outside of the housing and is provided with a material-blocking plate. The housing contains a fixing component and a cleaning mechanism. The fixing component includes a fixing plate, a connecting plate, and a fixing ring. The fixing plate is fixedly installed on the left end of the filter cylinder, and the connecting plate is fixedly installed between the fixing plate and the top of the housing, facilitating cleaning of the filter cylinder. This avoids cumbersome disassembly and adjustment operations, reduces labor intensity, and allows for faster cleaning of the filter cylinder, thereby improving the overall efficiency of the manure-urine separation device.

The present application belongs to the technical field of plant cultivation, and particularly relates to a biological fertilizer for relieving fruit drop of Taiwan long fruit mulberry and application. The biological fertilizer comprises animal manure, soybean meal powder, humic acid, peat soil, coconut bran, bran, fermentation liquor of a compound microbial agent, seaweed extract powder, amino acid chelated iron and borax; wherein the compound microbial agent comprises Bacillus amyloliquefaciens and Pseudomonas aeruginosa. The above biological fertilizer is balanced in nutrients, is beneficial to enhancing the resistance of the mulberry to adversity and reducing fruit drop caused by stress; in addition, the Bacillus amyloliquefaciens and the Pseudomonas aeruginosa are used synergistically, and the two jointly build a healthy rhizosphere micro-ecology, thereby guaranteeing nutrient supply for fruit development from the root source. Therefore, the technical scheme of the present application can not only significantly reduce the fruit drop rate, but also improve the single fruit weight, soluble solid content and anthocyanin content of mulberry, and improve the flavor and color of the fruit.

Processes and systems are disclosed for converting animal manure into useful energy and materials. Some variations provide a process for converting animal manure into a purified thermal gas, comprising: drying a starting animal manure in a manure dryer; pelletizing the dried animal manure to generate manure pellets; thermally reacting the manure pellets in a thermal reactor to generate an intermediate thermal gas and a solid biochar; separating out the solid biochar; condensing the intermediate thermal gas to generate a cooled thermal gas; compressing the cooled thermal gas to generate a compressed thermal gas; catalytically reacting the compressed thermal gas in a water-gas shift reactor to generate a shifted thermal gas having an adjusted H2 / CO ratio; treating the shifted thermal gas using an acid-gas removal unit to generate a purified thermal gas; removing water and / or light gases from the purified thermal gas; and recovering or further processing the purified thermal gas.

The present application relates to the technical field of deodorant, and disclose a kind of biological deodorant for pasture and preparation method thereof, the present application is by adding cortex moutan extract, alkyl dimethyl benzyl ammonium chloride, modified chitosan, imidazole modified triazine base compound, lemon essential oil into stirrer, stir, after obtaining biological deodorant for pasture.The imidazole group, quaternary ammonium salt group, sulfonate sodium group triazine group in imidazole modified triazine base compound and modified chitosan all have good bactericidal effect.The triazine group in it can effectively kill bacteria, fungi and other microorganisms in animal manure, feed residue and other organic matters, thereby preventing the spread of odor;The imidazole group in it can inhibit the growth and reproduction of pathogenic bacteria, reduce the occurrence and spread of disease, and play a role in killing bacteria;The quaternary ammonium salt can effectively inhibit the growth and reproduction of microorganisms, can reduce the foul-smelling gas generated by the decomposition of organic matter by microorganism, thereby achieving the effect of deodorization.

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.

1. Name of the product in this design: Multi-stage dry and wet duck manure separator. 2. Purpose of this design: For the dry and wet separation of duck manure. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.