6228 results about "Stover" patented technology

The invention provides an agricultural source solid waste pollution reduction and carbon reduction synergistic effect calculation method and system. According to the agricultural solid waste pollution reduction and carbon reduction synergistic effect calculation method, a livestock and poultry manure and straw mixture serves as a treatment object, an environmental parameter set of microbial metabolism intensity is obtained, and then a microbial agent feeding acceleration rate and a flora activity attenuation curve are dynamically matched. In the aerobic fermentation stage, through linkage of pile turning operation and a microbial inoculum adding strategy, activity balance of surface and deep flora is maintained, and a microbial inoculum adding time window is corrected in combination with historical data. And establishing a quantitative model with a carbon-nitrogen ratio imbalance threshold value as a constraint, iteratively optimizing a nonlinear association relationship between the inoculant feeding acceleration rate and the pile turning operation frequency, and outputting a full-period synergistic effect evaluation result. According to the technical scheme, the pollution reduction and carbon reduction synergistic effect of agricultural source solid waste treatment is improved, and the dual purposes of resource utilization and environmental protection are achieved.

The invention relates to the field of agricultural fertilization, in particular to a soil carbon nitrogen ratio fused straw returning fertilization optimization method, which comprises the following steps of: performing standardization processing on farmland static characteristic data to obtain a farmland standardization characteristic vector and a characteristic standardization threshold value; performing coupling analysis on the straw returning amount and the soil carbon-nitrogen ratio in the farmland standardized feature vector set to obtain risk factors; performing path gradient integration on the risk potential energy field function to obtain a symmetric path cost gain factor; performing path cost gain correction on the Euclidean distance to obtain adaptive distance measurement; and fuzzy C-means clustering is performed on the farmland standardized feature vectors through adaptive distance measurement to obtain differentiated fertilization management partitions, so that the problem of inaccurate fertilization decision caused by incapability of identifying key feature nonlinear coupling risks in existing management partitions based on Euclidean distance is solved.

The invention discloses a bacillus subtilis microbial agent for promoting decay of corn straws and application of the bacillus subtilis microbial agent, the preservation date of bacillus subtilis K15 is May 21, 2024, the preservation unit is China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.30716. The bacillus subtilis K15 has the advantages that the preservation number is CGMCC No.30716; the bacillus subtilis K15 is screened from soil in North China Plain, tests prove that the strain produces carboxymethyl cellulase, decomposition of corn straw can be effectively promoted, the decomposed straw provides a fertilizer source for wheat growth, growth of wheat plants and root systems is promoted, and the wheat yield is effectively increased. According to the invention, the function of the bacillus subtilis in straw decay promotion under the winter low-temperature condition in North China Plain is excavated, and a new strain resource is provided for a microbial fertilizer.

A preparation method and application of a red mud-enhanced magnetic straw biochar material includes the following steps of: naturally air-drying or artificial drying straws, and crushing the dried straws; drying red mud from Bayer process, and crushing the red mud into powder; then mixing the crushed straws and the powdery red mud by ball milling to prepare straw-red mud mixed powder; mixing water and biomass ash rich in alkali, and extracting the mixture to obtain a biomass ash extracting solution and dealkalized biomass ash solid residues; and uniformly mixing and stirring the straw-red mud mixed powder and the biomass ash extracting solution to obtain a pasty mixture, carrying out co-pyrolysis on the pasty mixture under a protective atmosphere, and washing magnetic straw biochar produced by co-pyrolysis with water until the magnetic straw biochar is neutral to obtain the red mud enhanced magnetic straw biochar material.

The invention relates to the technical field of agricultural machinery, and discloses a straw returning strip rotary tillage, ridging and pressing device which comprises a lightweight connecting frame serving as an installation foundation of the device and integrally designed to be hollowed out; the laser radar is embedded in the front end of the lightweight connecting frame and is used for scanning the advancing direction and providing topographic data; according to the device, straw returning, rotary tillage, ditching, sowing and pressing are completed at a time, integrated operation is achieved, the time consumed by multiple times of land entering operation of a traditional agricultural machine is shortened, the efficiency is improved by 30%-40%, and through laser radar terrain scanning and sensor feedback, the working efficiency is improved by 30%-40%. The rotary tillage depth, the ditching depth and the pressing pressure are automatically adjusted, the manual intervention time is shortened, terrain self-adaption is achieved, and the device has the advantages of being high in practicability and capable of achieving terrain self-adaption.

The invention discloses a straw feed fermentation treatment control system and method, particularly relates to the technical field of production control, and is used for solving the problem of insufficient identification and regulation of an imbalance phenomenon in a straw fermentation pile caused by non-uniform gas diffusion in the existing fermentation process. The method comprises the following steps: acquiring environmental parameters of a fermentation heap, performing three-dimensional gas concentration field reconstruction processing, identifying a layered air mass region in combination with a fuzzy clustering algorithm, measuring heap pressure distribution and deformation characteristics, analyzing a heap body structure abnormal region, and marking a risk analysis region; through a three-dimensional tensor model and a fractal analysis model, the time dependency and the gas diffusion equilibrium degree of the gas exchange and metabolism process are evaluated respectively, and finally fermentation pile structure parameters and ventilation device operation parameters are dynamically adjusted based on a closed-loop control system; through accurate region identification and a dynamic regulation and control mechanism, the uniformity of the fermentation process and the quality consistency of the straw feed are remarkably improved.

The invention relates to the field of agricultural soil improvement and ecological fertilization, and discloses an ecological fertilization method for improving the organic matter content of soil in a dry-hot valley region, and the method comprises the following steps: soil matrix improvement: improving the porosity and water binding capacity of the soil by adding charcoal and humic acid particles; the functional microbial preparation is put, and the activity of soil microorganisms is activated through the combined effect of cellulose decomposition bacteria, stabilization promoting flora and water retention flora; green manure crop planting and covering management: planting sweet clover and other leguminous crops to provide a carbon source and a nitrogen source for soil, and meanwhile, utilizing straw covering to inhibit water evaporation; turning over and stabilizing the green manure crops, namely turning over and stabilizing the organic matters in a blooming period of the green manure crops and combining with a stabilization promoting bacterial liquid and an adsorptive carrier; dynamic balance is maintained, and dynamic balance of decomposition, conversion and accumulation of organic matter is achieved step by step through multi-cycle planting and turning and pressing. The organic matter content and fertility of the soil can be improved, and the water-retaining property and microbial ecosystem of the soil are improved.

The invention discloses a zinc-iodine battery positive electrode material based on corn straw shell derived porous carbon and a preparation method of the zinc-iodine battery positive electrode material. According to the material, corn straw shells serve as the sole carbon source, an indigenous nitrogen-doped biomass charcoal carrier with a hierarchical pore structure is prepared through pre-carbonization and KOH activation processes, and the material is characterized in that the specific surface area is larger than or equal to 1500 m < 2 > / g, and the micropore proportion is larger than 90%. The iodine is loaded on the carrier (the iodine content is greater than or equal to 45wt%) through a vacuum sublimation method to form the indigenous nitrogen-doped biomass charcoal / iodine composite material. According to the positive electrode material, through the synergistic effect of physical confinement and pyridine nitrogen chemical adsorption, the multi-iodide shuttle effect is effectively inhibited, so that the capacity retention rate of the zinc-iodine battery is greater than or equal to 93% after 40000 cycles under the current density of 2A g <-1 >, and the capacity retention rate is greater than 45% under the rate of 10A / g. The method has double benefits of agricultural waste resource utilization and high-performance energy storage device development.

The invention relates to the technical field of saline-alkali soil improvement. The invention provides an extremely severe saline-alkali soil improvement method which comprises the following steps: (1) ploughing soil to be improved, ditching, and spreading a material A into ditches; (2) irrigation is carried out after crops are sown in the ditches, and field management is carried out in the crop growth period; (3) after crops are harvested, crop straw is smashed and subjected to rotary tillage into soil; and (4) repeating the steps (1)-(3), and carrying out continuous soil improvement treatment. According to the technical scheme, the soil structure and the microbial environment are improved through soil preparation and fertilization before sowing, the salt content of soil of a plough layer is reduced through a salt reducing measure, soil osmotic pressure is reduced, and the salt content of the soil is continuously reduced through a crop planting measure. According to the scheme, the soil saline-alkali improvement effect is good, a good soil environment is created for seed budding and seedling emergence stages, and the seed emergence rate is increased.

The invention discloses a straw drying state monitoring method based on multiple sensors, particularly relates to the field of straw drying state monitoring and control, and aims to solve the problems of low drying efficiency, inconsistent quality and inaccurate control caused by uneven stacking density and poor airflow permeability. A dry bottleneck area is accurately identified; accurately predicting drying parameters of each region by using a regional drying demand model; an intelligent optimization algorithm and real-time feedback control are combined, and dynamic adjustment and accurate matching of the drying process are achieved; by means of the straw drying device, the straw drying efficiency and uniformity are remarkably improved, the problem of insufficient drying or excessive drying caused by density and permeability differences is solved, meanwhile, energy consumption and safety risks in the drying process are effectively reduced, and the consistency of drying quality and the reliability of equipment operation are ensured.

The invention discloses a crop straw quantitative layering uniform mixing and returning device which comprises a straw collecting mechanism, a fan conveying mechanism, a flow dividing mechanism, a furrow opener assembly, a uniform mixing assembly and a soil covering assembly. A straw picking device and a straw conveyor are arranged at the front end of the device and used for collecting straw scattered in the field and conducting pretreatment before returning to the field; treated straw is sucked into a straw quantitative flow dividing box through a centrifugal fan, the straw is quantitatively distributed into a flow dividing guide pipe according to the returning-to-field requirement, the flow dividing guide pipe is discharged into a furrow opener, grooves with different depths are formed according to the straw returning-to-field depth requirement, and then the straw and soil are evenly mixed under the effect of a uniform mixing assembly. According to the invention, the flow distribution principle of the centrifugal fan is utilized, air ducts with different cross sections are arranged, so that straws with different volume numbers are obtained, and under the action of the furrow opener assembly and the uniform mixing assembly with different depths, the quantitative, layered and uniform mixing returning of the straws to the field is realized.

The invention discloses an enzymatic hydrolysis lignin PBAT composite material, a degradable film and a preparation method of the degradable film. The enzymatic hydrolysis lignin PBAT composite material comprises 8-45 parts by weight of enzymatic hydrolysis lignin, 55-92 parts by weight of PBAT and 1-10 parts by weight of a plasticizer. Therefore, the enzymatic hydrolysis lignin PBAT composite material meets the complete degradation requirement and is especially suitable for the field of preservative films and mulching films, the enzymatic hydrolysis lignin is wide in source and low in cost as a raw material, the national crop straw utilization rate can be increased, and environmental pollution can be reduced.

The invention discloses a straw returning deep scarification cultivation regulation and control method based on soil temperature and humidity, and particularly relates to the technical field of cultivation regulation and control. A plurality of soil temperature and humidity sensors and meteorological sensors are arranged in a field, soil temperature and humidity and meteorological environment data are collected in real time, preprocessing and feature extraction are carried out on the data, then a data prediction model is constructed to evaluate the accuracy of monitoring data, and if the accuracy of the monitoring data is high, the system directly adjusts the operation time and depth; if the accuracy is low, the data acquisition frequency is automatically increased by analyzing the severity of the deviation, so that the monitoring precision and the farming decision are optimized, farming errors caused by misjudgment of the soil humidity are effectively avoided, the farming effect and the crop yield are improved, and meanwhile, the soil quality is improved.

The invention relates to the technical field of sowing methods, and provides a full-amount straw returning sowing method for high rice yield and rice field emission reduction, which can realize the uniform penetration rate of straws to more than 90%, promote the increase of oxygen content in a plough layer and rhizosphere, effectively promote the oxidation of rice field methane, reduce methane emission and relieve the poison of reducing substances to rice roots. The method effectively relieves the problems of early-stage runt seedlings and later-stage withering of rice under straw returning, saves cost, realizes rice yield increase, and comprises the following steps: 7-10 days before rice harvesting, draining water in a rice field, and adopting a harvester with a straw crushing function and a throwing device for harvesting during harvesting, the method comprises the following steps: chopping straws, uniformly scattering the chopped straws in a field, turning over as soon as possible after rice is harvested, soaking the field in shallow water of 1-2 cm on the field surface for half a day before rice transplanting, performing rotary-tillage-free soil preparation and stubble burying, selecting a rice variety suitable for local climate and soil conditions for seeding, and performing field management and strengthening field disease and pest monitoring after seeding.

The invention discloses a special chicken manure fermented fertilizer for pear trees as well as a preparation method and application thereof and belongs to the technical field of fertilizers. The chicken manure fermented fertilizer is prepared from the following raw materials in percentage by weight: 70 to 85 percent of fresh chicken manure, 5 to 10 percent of plant ash, 5 to 10 percent of fly ash, 1 to 4 percent of persulfate, 0.5 to 1 percent of EM fungicide and 3 to 5 percent of modified biomass charcoal, wherein the modified biomass charcoal is rice straw biomass charcoal modified by acylated chitosan and bamboo charcoal biomass charcoal, and the mass ratio of the rice straw biomass charcoal to the bamboo charcoal biomass charcoal is (2-4): 1. The special chicken manure fermented fertilizer for pear trees can reduce soil hardening, improve the air permeability and water and fertilizer retention of soil, and reduce the contents of heavy metals and antibiotics in the soil, thereby achieving the effects of increasing the yield of fruits and improving the quality of the fruits.

The invention discloses a crop straw returning soil fertility evaluation method based on the Internet of Things, particularly relates to the technical field of agricultural soil evaluation, and is used for solving the problem that the risk that the negative effect of a soil physical structure exceeds the positive effect cannot be warned in time in the prior art. A straw returning area is divided into a plurality of sub-areas, straw returning uniformity and straw processing quality are analyzed based on the Internet of Things, and soil risk sub-areas are determined. And then, analyzing the time sequence data by adopting a long-short-term memory network model, predicting the probability that the negative effect exceeds the positive effect, evaluating the spatial effect of the adjacent sub-regions through a geographically weighted regression model, and finally comprehensively evaluating and early warning the out-of-control degree of the straw returning to the soil fertility. The dynamic monitoring and evaluation precision of the soil structure change is improved, and the problems of soil compaction, fertility decline and the like are effectively prevented.

A straw structure is provided. The straw structure includes a straw body, and the straw body has a first beveled edge at an opening of a bottom end of the straw body and a second beveled edge connected to a rear side of the first beveled edge. A puncturing end opening is formed at the first beveled edge and a side edge of the straw body, and the bottom end of the straw body has a beveled opening formed at the second beveled edge. The puncturing end opening is an acute angle that is less than 90 degrees, and a slope of the second beveled edge is greater than a slope of the first beveled edge.

The invention provides automatic straw collection underground incineration field returning equipment, and belongs to the technical field of agricultural machinery equipment, and the automatic straw collection underground incineration field returning equipment comprises a moving mechanism, a collection mechanism, a processing mechanism and a field returning mechanism. The moving mechanism comprises a vehicle body and a moving assembly; the collecting mechanism comprises a conveying and lifting assembly and a collecting shovel, the conveying and lifting assembly is arranged at the front end of the vehicle body and inclines upwards from front to back, and the collecting shovel is arranged at the front end of the conveying and lifting assembly; the machining mechanism comprises a cleaning and pressing assembly, a smashing assembly and a fuel mixing assembly which are sequentially arranged in the middle of the vehicle body from front to back. The field returning mechanism comprises a ditching assembly and a backfilling assembly which are sequentially arranged at the bottom of the vehicle body from front to back, the ditching assembly is located on the front side of the fuel mixing assembly, and the backfilling assembly is located on the rear side of the fuel mixing assembly. According to the automatic straw collecting underground incineration field returning equipment, the problems that open-air incineration control is difficult, fire disasters are prone to being formed, and open-air incineration pollution is large are solved.

The invention discloses an optimal control method for a straw pyrolysis carbonization process. The method comprises: performing multipoint temperature real-time acquisition and data processing on a carbonization zone of a carbonization furnace, obtaining temperature information and calculating a deviation from a preset ideal temperature curve (S01); dynamically adjusting an operating parameter of the combustion zone using a control algorithm based on the temperature deviation (S02); performing on-line monitoring on the flue gas components (S03); and regulating and controlling the return air flow and the secondary air supply amount of the combustion area in a linkage manner according to the flue gas monitoring result so as to optimize combustion and energy recovery (S04). Through accurate and intelligent process control, efficient, environment-friendly and high-valued utilization of the straw carbonization process is realized.

The invention relates to the field of agricultural fertilization, in particular to a corn straw returning-to-field and fertilization operation path collaborative scheduling optimization method, which comprises the following steps: performing standardization processing on farmland multi-source original data to obtain a field piece unit standardization feature vector; performing imbalance degree analysis on the feature dimension distance component to obtain a feature contribution balance factor; performing activeness evaluation on neighborhood membership distribution of the field units to obtain a spatial membership smoothing factor; obtaining adaptive distance measurement by combining a feature contribution balance factor and a space membership smoothing factor; and performing hardening processing on the final membership matrix to obtain an agricultural machinery path collaborative scheduling instruction set, thereby solving the problems of misalignment of a zoning result, fragmentation of a management boundary and unreasonable agricultural machinery path scheduling in an abnormal straw accumulation region based on a standard FCM clustering algorithm in the prior art.

The invention discloses a wheat and corn crop rotation straw returning carbon footprint evaluation method, and relates to the technical field of carbon emission evaluation, and the method comprises the steps: dividing growth stages according to a dynamic crop rotation time axis, fusing the carbon flux time sequence data of crops in a region with soil microbial activity indexes, and employing an interpretable machine learning method to evaluate the carbon footprint of wheat and corn crop rotation straw returning. Identifying a carbon sink stage and a carbon source stage of the wheat and the corn in different growth stages, and dynamically generating a stage carbon state sequence; based on the stage carbon state sequence, fusing soil basic attribute data and real-time regional climate data, fitting a nonlinear response relationship of straw mineralization rates by adopting an integrated learning method, and dynamically generating a carbon conversion factor sequence; performing space-time coupling on the carbon conversion factor sequence and the staged carbon state sequence, calculating CO2 and N2O emissions and soil organic carbon variation according to time periods and spatial ranges, and generating a carbon dynamic curve through time sequence integration. According to the invention, the timeliness and accuracy of carbon dynamic simulation are improved.

The invention relates to the technical field of organic fertilizers, and discloses an agricultural waste two-stage fermentation bio-organic fertilizer and a preparation method thereof.The bio-organic fertilizer comprises 70%-80% of a mixture of livestock and poultry manure and straw subjected to anaerobic fermentation and aerobic fermentation two-stage treatment, 5%-10% of auxiliary organic matter, 3%-5% of a soil improvement material, 2%-4% of a functional additive and 1%-3% of a microbial preparation. The preparation method comprises the following steps: mixing the livestock and poultry manure and the straw according to a carbon-nitrogen ratio of 30: 1, and performing pretreatment; carrying out anaerobic fermentation for 7 days, and collecting biogas; performing solid-liquid separation to obtain a solid material and biogas slurry; concentrating the biogas slurry to prepare a leaf fertilizer; adding a microbial preparation into the solid material, and carrying out aerobic fermentation for 10-15 days; after fermentation is completed, drying, functional component adding, granulating, screening and packaging are conducted, a finished product is obtained, collaborative integration of anaerobic-aerobic fermentation and full-quantitative utilization of agricultural waste are achieved, and the method has the remarkable advantages of being short in fermentation period, small in nutrient loss, high in functionality and the like.

The invention relates to the technical field of agricultural power machinery, in particular to a straw root harvesting device which comprises a walking frame and a connecting arm mounted at one end of the walking frame, and a ridge breaking and turning-up mechanism, a soil removing and conveying mechanism, a picking and crushing mechanism and a stirring and leveling mechanism are sequentially mounted in the walking frame; the ridge breaking and turning mechanism comprises a ridge breaking and soil turning assembly installed on the inner side of the walking frame and further comprises an arc-shaped baffle fixedly installed on the inner side of the walking frame and used for assisting in turning soil and straw roots and a photoelectric sensor used for detecting the positions of the straw roots. The soil removing and conveying mechanism is composed of a conveying part for conveying turned straw roots and an impact part for repeatedly impacting the straw roots with soil. The picking and crushing mechanism is composed of a picking assembly for gradually lifting the roots of the soil-removed straw and a crushing assembly for crushing the roots of the soil-removed straw, and ridge breaking, conveying, soil removing, picking and crushing can be achieved, and land can be leveled.

The invention discloses a CoFe-coated NBC composite catalyst and a preparation method and application thereof.The preparation method includes the steps that collected wheat straw is pretreated, wheat straw biomass powder is obtained after pretreatment is finished, the wheat straw biomass powder, Co (NO3) 2.6 H2O and Fe (NO3) 3.9 H2O are dissolved in water, isopropanol and ammonia water are added, the mixture is stirred to be uniform, then the solution is transferred into a high-pressure autoclave, and the CoFe-coated NBC composite catalyst is prepared through a hydrothermal method; a hydrothermal reaction is carried out, and a CoFe-coated NBC precursor is obtained after the hydrothermal reaction is finished; the CoFe-coated NBC precursor is placed in a tube furnace in the N2 atmosphere to be calcined, after calcination is finished, the material is cooled to the room temperature, then the material is taken out and ground, and the CoFe-coated NBC composite catalyst is obtained, the prepared CoFe-coated NBC composite catalyst has the high specific surface area, rich pore structures and a large number of active sites, and activation of PMS and degradation of pollutants are facilitated.

The invention discloses a coal gangue abandoned mine ecological restoration water retention technology, and belongs to the technical field of environmental protection. According to the remediation technology, after the surface soil of the mine is loosened, the alkaline waste and the heavy metal adsorbent are firstly added for neutralization and adsorption pretreatment, and then the composite soil conditioner is continuously added to sequentially cover and construct the improved composite layer soil in a gradient manner; the composite soil conditioner comprises fly ash, steel slag, local clay, straw fibers, water-retaining slow-release microcapsules, charcoal, papermaking white mud and humus soil, high-resistance vegetation is transplanted on the obtained improved composite layer soil, meanwhile, a microbial agent is inoculated, and remediation is completed after the soil is maintained to be stable. According to the method, multiple technical processes are integrated and matched and cooperated with one another, the purpose of long-acting water retention is finally achieved through the combined action of multiple remediation mechanisms of materials, vegetation and microorganisms, and compared with a traditional mine remediation technology, the method is better in stability and longer in acting time and has a good application prospect.

The invention discloses a whole corn plant harvesting, separating and packing machine, which belongs to the field of agricultural machinery and comprises a frame assembly, a corn header is arranged at the front end of the frame assembly, and a corn ear peeling device, a corn cob collecting device, a corn cob transferring device and a corn cob threshing device are arranged on the rear side of the corn header. A corn kernel storage chamber is arranged on the left side of the corn cob threshing device, and a corn cob transfer device and a corn cob storage chamber are arranged on the rear side of the corn cob threshing device; a straw smashing and screening device is arranged below the corncob peeling device, and a soft material conveying track, a hard skin conveying track, a soft material packaging machine, a film winding device, a fermentation liquor spraying device and a hard skin squeezing and bundling machine are arranged on the rear side of the straw smashing and screening device. Whole corn plants are harvested through one machine, and after being harvested, the whole corn plants are separated according to material attributes and are not wasted any more, so that the whole corn plants are fully utilized; people are intellectual; the effort is made to the best; the whole corn plants are completely eaten and squeezed on one machine.

A method for visually identifying crop rows includes acquiring imagery from at least one imaging device operatively connected to an agricultural vehicle while the agricultural vehicle is traversing a field, the imagery includes plants arranged in rows, processing the imagery at a computing device to preserve spatial information along a first dimension while reducing data complexity along a second dimension to generate processed data, analyzing the processed data to identify locations of the rows within the field. The method may include dividing the imagery into multiple sections along a direction of travel of the agricultural vehicle and for each section, performing statistical analysis to generate a one-dimensional intensity profile, applying an edge detection operation to identify predominantly vertical features within the imagery and filtering out predominantly horizontal features to isolate plant stalks, and / or identifying spatial relationships between neighboring rows and using the spatial relationships to validate row identification.

Methods and systems for preparing agricultural residue or other agricultural feedstock for use as a pulp. The method includes providing non-wood agricultural residue (e.g., corn stover) or other agricultural feedstock that includes agricultural fibers, chemically pulping the agricultural fibers in a preliminary alkaline chemical pulping process at a low consistency and at a low temperature to produce partially pulped agricultural fibers, such step including separating lignin and hemicellulose from the partially pulped agricultural fibers, introducing the partially pulped agricultural fibers into a first reactor, wherein the first reactor operates at a low temperature of less than 100° C. (e.g., 65° C.), introducing the agricultural fibers from the first reactor into a second reactor, where the second reactor operates at a low temperature, of less than 100° C. (e.g., 94-96° C.), the second reactor operating at a higher temperature than the first reactor, to produce pulped agricultural fibers.

The invention discloses an automatic straw bale feeding device which can be used for smoke dust removal and straw drying at the same time. The device enables straw bales (8) to be continuously dried in a straw bale dust removal and drying feeding bin (4) using hot air or waste heat smoke from a combustion system (1) or other sources, and the waste heat smoke is simultaneously dust removed and purified by the straw bales (8). Straw bales are put into and transported from a straw bale transport device A (13) at the front to a straw bale transport device B (14) at the rear, and dried and smoke dust removed at an air blowing opening (28). The dried straw bales enter a straw bale push bin (2) through a straw bale locking bin (3) and are finally sent to a combustion system (1). New straw bales are reloaded through a straw bale dust removal and drying feeding bin (4) which is provided with two pivot doors (9, 11), connected to the straw bale locking bin (3) and includes two straw bale transport devices.

The invention discloses a spiral drilling deep scarification straw organic fertilizer deep burying machine, which aims at solving the problems that the existing straw organic fertilizer application devices are less, the fertilizer application process is easy to block, the deep scarification resistance is larger, the fertilizer application is uneven and the like, and comprises a rack assembly, a straw collecting, storing and conveying device and a conical tooth ground drill deep burying device. The machine frame assembly is a base body of the spiral drilling deep scarification straw organic fertilizer deep burying machine, the straw collecting, storing and conveying device is located on the upper portion of the machine frame assembly and fixed to the machine frame assembly through bolts, and the bevel gear ground drill deep burying device is located on the lower portion of the machine frame assembly and assembled together with the main welding frame through a ground drill deep burying device U-shaped clamp. Wherein the disc furrow opener and the subsoiler are sequentially mounted at the front end of the rack assembly, so that secondary resistance reduction is realized, and the resistance of a subsequent ground drill deep burying device for drilling holes in soil is reduced; shaftless conveying auger blades are mounted in the straw collecting, storing and conveying device, so that blockage in the organic fertilizer conveying process can be avoided; a conveying pipeline is fixed to the rear portion of the upper end of a conical tooth turning box sleeve of the ground drill deep burying device, and the lower end of the conical tooth turning box sleeve is designed in a beveling mode, so that organic fertilizer evenly falls into a drilled hole in the fertilization process and is not blocked, and the fertilization efficiency in actual farming can be improved through the design.