320 results about "Corncob" patented technology

The invention discloses an endoglucanase truncated mutant and an application of the endoglucanase truncated mutant. According to the invention, based on endoglucanase BsEGL from bacillus subtilis DLG, a truncated mutant is constructed by deleting a carbohydrate binding domain (CBM) of the endoglucanase BsEGL, and the truncated mutant is named as BsEGL [delta] CBM. Compared with BsEGL, the truncated mutant BsEGL delta CBM has the advantages that the thermal stability, the pH stability, the organic solvent tolerance and the like are remarkably improved, and the activity of degrading phosphoric acid expanded cellulose and corncob xylan is obtained. In addition, the enzymatic activity of the truncated mutant BsEGL delta CBM is remarkably improved by 6.41%, and the catalytic efficiency is remarkably improved. Due to the characteristics, the mutant can be suitable for industrial processes such as feed processing, papermaking, biological energy sources, spinning and food brewing, and is particularly suitable for enzyme catalytic reaction under extreme environments such as high temperature and low pH. The invention provides an enzyme preparation tool with excellent performance for efficient degradation of cellulose biomass, and has important application value.

The invention relates to a compound soil improvement fertilizer and a preparation process thereof, and belongs to the technical field of agricultural environmental protection. The fertilizer is prepared from a modified biochar carrier, a compound microbial agent, an organic fermentation substrate and an inorganic mineral component. The modified charcoal carrier forms a hierarchical pore structure through acid modification and mineral loading; the compound microbial agent comprises phosphate solubilizing bacteria, nitrogen-fixing bacteria and organic matter degrading bacteria; the organic fermentation substrate is prepared from mushroom bran, activated sludge and corncob through segmented fermentation; the inorganic mineral component comprises attapulgite and dolomite powder. The preparation process comprises the steps of biochar modification treatment, microorganism composite culture, organic matrix segmented fermentation and slow-release coating granulation. The fertilizer can synchronously improve the physical structure, chemical properties and microbial ecology of soil, significantly improve the nutrient utilization efficiency, reduce the application amount of the chemical fertilizer, effectively repair degraded soil and enhance the stress resistance of crops.

The invention discloses a high-efficiency aerobic fermentation corncob-based biological conditioner and application thereof. Aiming at the common problems of unstable carrier effect, poor environmental adaptability, easiness in inactivation of the microbial inoculum, difficulty in continuously exerting efficacy and the like existing in the existing composting microbial inoculum, the agricultural waste corncob with a porous structure and excellent water-retaining and fertilizer-retaining natural characteristics is pretreated and modified; and the immobilized carrier of the aerobic fermentation inoculant with high activity and high stability is constructed. The carrier matrix can be used for efficiently loading and remarkably improving the expanding culture core aerobic fermentation functional flora to prepare a solid biological conditioner. The corncob-based biological conditioner is applied to the composting process of organic solid wastes, promotes the humification process of organic materials, shortens the composting period, improves the fermentation efficiency of the materials, and effectively improves the resource utilization level of the organic solid wastes.

The invention discloses a PVA / urea / CC lignocellulose composite mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching films. The composite mulching film disclosed by the invention is obtained by adding PVA (Polyvinyl Alcohol) into a corncob lignocellulose HTP-CC dispersion liquid subjected to hydrothermal pretreatment, then sequentially adding glutaraldehyde, urea and glycerol and carrying out cross-linking reaction. The mechanical property of the PUCH mulching film prepared by the invention meets the GB / T35795-2017 standard, and the PUCH mulching film has excellent water vapor barrier property, ultraviolet shielding property, urea controlled release property, heat insulation property and biodegradability. The characteristics not only can promote crop growth, but also can reduce agricultural environmental pollution. Therefore, the PUCH mulching film shows huge potential to replace the traditional plastic mulching film, and has important application prospects in agricultural planting.

The invention discloses marasmius albus DCY6478 as well as a culture medium and application thereof, and belongs to the technical field of microorganisms. The invention discloses a Marasmilla sp. DCY6478 strain, and the preservation number of the Marasmilla sp. DCY6478 strain is GDMCC (China General Microbiological Culture Collection Center) No.65883. The Marasmilla sp. Experimental verification results show that the culture medium formula most suitable for growth of the white marasmius is prepared from the following components in percentage by weight: 40% of apple sawdust, 36% of corncob, 14% of cottonseed hull, 1% of lime and 1% of gypsum; the fermentation liquor is verified to have an inhibition effect on a plurality of pathogenic bacteria; the DPPH free radical scavenging capacity of the fermented hyphae is verified, the superoxide dismutase activity and catalase activity are both higher than those of sporocarp, and the fermented hyphae can be used as a natural antioxidant source; it is verified that fermented hyphae or sporocarp of the strain have the capacity of secreting amino acid and polysaccharide and producing crude protein, and a new raw material selection is provided for the industries of food, medicine and the like.

The invention provides a viscosity-improving filtrate reducer as well as a preparation method and application thereof. The viscosity-improving filtrate reducer is a polymerization product of modified corncob powder and a polymer, the modified corncob powder is corncob powder modified by an alkaline compound. The viscosity-improving and filtrate-reducing agent has the advantages of environmental protection, tackifying property and filtrate-reducing property, is low in production cost, and is a low-cost drilling fluid treating agent with tackifying property, filtrate-reducing property and environmental protection property.

The invention provides a water-retaining material as well as a preparation method and application thereof, and finds that corn glume has extremely high water absorption rate and can be used as an excellent water-retaining material. The glume is obtained by crushing corncobs and then carrying out winnowing and gradient sieving, and the particle size is 2-3mm. In order to effectively utilize the material, the obtained corn glume, a binder, an expanding agent and water are mixed and granulated to prepare water-retaining agent particles, and the water-retaining agent particles are easy and convenient to apply, high in water-retaining capacity and capable of effectively improving the water-retaining capacity of soil and improving the temperature, humidity, conductivity and bulk density of the soil; therefore, the method has important commercial value for soil and land improvement.

The utility model discloses an ear picking box and a corn harvester header thereof, which relate to the technical field of agricultural harvester equipment and comprise a power input part, a first power output part and a second power output part, the power input part is in transmission connection with a power supply device through a transmission system; the power input part is connected with the first power output part through a transmission shaft; according to the header of the corn harvester, the pair of seedling pulling assemblies corresponding to the corncob picking rollers composed of the adjacent corncob picking rollers is creatively in transmission connection with the corncob picking box through the transmission device, that is, the power of the pair of seedling pulling assemblies is provided by the corncob picking box, and the problem that in the prior art, the corncob picking rollers are prone to being damaged is solved. And when the seedling pulling chain is clamped and cannot rotate normally, the chain or the belt and the conveying belt for connecting the small elevator driving shaft and the small elevator driven shaft are broken.

The invention discloses a cultivation method for fruiting stropharia rugoso-annulata fruiting bodies without covering soil. The cultivation method comprises the following steps: 1) preparing a fruiting culture material; 2) primary composting fermentation; 3) secondary turning fermentation; 4) performing secondary fermentation in a greenhouse; (5) spreading materials; (6) sowing; 7) spawn running; 8) bud pressing; 9) cultivating mushrooms; and 10) harvesting. And 11) tide turning management. According to the method, the cotton residues, the sawdust, the rice chaff, the corncob, the rice straw, the wheat bran and the lime are adopted to form the fruiting culture material, and a cultivation method of fruiting without earthing is combined, so that the working procedures of excavating, disinfecting, covering and the like of an earthing material are reduced, meanwhile, the quality of sporocarp is improved, the high-quality mushroom rate is improved to 72.2% from 35.3% of field cultivation, the cleanliness of the sporocarp is improved to 92.5% from 20.3%, and the yield of the sporocarp is improved. Meanwhile, cotton residues and rice straw are effectively utilized, economic and ecological benefits are remarkable, after the first flush of mushrooms is harvested, holes are punched in the bed surface, water is sprayed on the bed surface, the humidity of compost is effectively supplemented, and high-quality sporocarps can be produced all the year round.

The invention relates to the technical field of flammulina velutipes planting, in particular to a flammulina velutipes culture method and compost, which comprises the following steps: S1, preparing purple sweet potato water; the preparation method comprises the following steps: washing fresh purple sweet potatoes, mixing with water in proportion, boiling, cooling, filtering, and taking filtrate as purple sweet potato water for later use; s2, preparing a culture material; the raw materials comprise corncobs, rice bran, bran, cottonseed hulls, sugar beet pulp, soybean hulls, corn flour, brewer's grains, calcium carbonate and shellfish fossils. The preparation method comprises the following steps: weighing solid raw materials in proportion, stirring the raw materials in a stirrer for 10 minutes to obtain a mixture, uniformly mixing the mixture, adding the purple sweet potato water prepared in the step S1, fully stirring the mixture until the mixture is uniformly mixed, and controlling the water content of a final culture material to be 62-68% to obtain the culture medium. The purple sweet potato water is used for completely replacing tap water to serve as a culture material component, the purple sweet potato water is not only a solvent, but also a natural nutrient solution rich in anthocyanin, polysaccharide, vitamins and mineral substances, flammulina velutipes hyphae can absorb and convert the substances, and the anthocyanin content in sporocarp is remarkably increased.

The invention provides a composition and application thereof in ecological restoration, and the composition is granular and is prepared from glume of corncob, polyvinyl alcohol, sodium bentonite and water. The composition can keep soil moisture and improve the soil structure, the raw materials are biomass materials, water retention is achieved, food sources can be provided for microorganisms and soil animals in soil, microcirculation of moisture and soil organisms is formed around the composition, the soil organisms can further increase nutrients in the soil, and the soil quality is improved. Soil carbon-solid continuous increase of soil organic matters and aggregates is realized, and the method has great significance on ecological restoration.

The invention belongs to the technical field of biomass resource utilization, and particularly relates to a production method for preparing high-activity humic acid based on corncobs, and the high-activity humic acid is prepared from the following raw materials in parts by weight: 10 parts of corncobs, 20-50 parts of DES and 40-80 parts of an oxidation substrate, the method comprises the following steps: performing microwave pretreatment on corncobs by using DES to realize activation and molecular depolymerization of humic acid precursor substances, catalyzing humic acid molecules to perform condensation reconstruction through an oxidation matrix and an electromagnetic heating process, and realizing one-step low-temperature preparation of high-activity humic acid and fulvic acid in a single reaction system. The production efficiency and the raw material utilization rate of agricultural and forestry waste recycling are greatly improved.

The invention relates to the technical field of interior wall building decoration coatings, discloses an anti-condensation thermal insulation coating and a preparation method thereof, and aims at solving the problem that an existing anti-condensation coating is poor in thermal insulation effect. The coating is of a double-component structure, and the weight mixing ratio of a component A (liquid material) to a component B (powder material) is 1: (2.5-3.5); the component A comprises 28-42 parts by weight of water and 58-82 parts by weight of a self-made soil modifier, and the component B comprises 68-82 parts by weight of a modified soil mixture, 0.8-1.6 parts by weight of auxiliary agents such as sodium hexametaphosphate and functional filler. Through physical and chemical reaction between the component A and the component B, a three-dimensional reticular porous structure is formed, moisture absorption and skeleton effects of the modified corncob particles, the loofah sponge fibers and the like and a heat preservation and heat insulation synergistic effect of the hollow glass beads and the like are combined, so that anti-condensation, high moisture absorption, low heat conduction, cracking resistance and high bonding strength are achieved, waste can be turned into wealth, and the environment is protected.

The invention provides a one-step furfural preparation method taking biomass as a raw material, and relates to the technical field of resource utilization of agricultural and forestry wastes. The method comprises the steps of raw material pretreatment, catalytic liquid preparation, hydrolysis dehydration reaction, solid-liquid separation, washing liquid reuse, product purification, catalytic liquid recovery and the like. The reaction is completed by adopting a closed reactor under the condition of not introducing external steam, so that the energy consumption is obviously reduced; the catalytic liquid is formed by compounding sulfuric acid and Lewis acid, so that the reaction efficiency is high; closed circulation of the catalytic liquid and recycling of water resources are realized through rectification and ceramic membrane filtration. The method is simple in process flow, low in pollution emission and suitable for green and efficient bran preparation of various hemicellulose raw materials such as corncobs and straw, the purity of the obtained product can reach 99% or above, and the method has good industrial application prospects.

A fermented traditional Chinese medicine feed additive for catfish, its preparation method, and its application are disclosed, relating to the field of aquatic feed additives. The preparation method involves activating and expanding the culture of *Saccharomyces cerevisiae*, *Bacillus subtilis*, and *Lactobacillus plantarum*; pulverizing *Paeonia suffruticosa* leaves, *Smilax china*, *Scutellaria baicalensis*, *Rhus chinensis*, hawthorn, *Polygonum cuspidatum*, ginkgo, and forsythia suspensa* to obtain traditional Chinese medicine powders; preparing a solid fermentation medium using the traditional Chinese medicine powders, soybean meal powder, corn cob granules, and wheat bran; inoculating *Saccharomyces cerevisiae* seed culture and *Bacillus subtilis* seed culture for aerobic fermentation; and inoculating *Lactobacillus plantarum* seed culture for anaerobic fermentation to obtain the fermented traditional Chinese medicine feed additive. The resulting fermented traditional Chinese medicine feed additive promotes the absorption and metabolic elimination of enrofloxacin in catfish, shortens the withdrawal period, has preventive and adjunctive therapeutic effects on bacterial diseases in catfish, promotes growth, reduces feed conversion ratio, and improves survival rate.

The utility model is suitable for the technical field of corn disease and pest control, provides a kind of water-saving quantitative pesticide application soil device for preventing and treating fall armyworm, including double lid pesticide application bottle [1], the double lid pesticide application bottle is used to place the pesticide soil for preventing and treating fall armyworm, the double lid pesticide application bottle includes inner lid and outer lid, the outer lid and the inner lid are all arranged on the double lid pesticide application bottle, including: the medicine outlet [2] being opened on the outer lid of the double lid pesticide application bottle, the medicine outlet is used to discharge, apply pesticide soil and the baffle [3] and two edges two through ports [4] being opened on the inner lid of pesticide application bottle for preventing and treating fall armyworm pesticide soil, the baffle is used to limit the activity range of steel ball between bottle outer lid and baffle, the through port is used to flow the pesticide soil for preventing and treating fall armyworm in pesticide application bottle;Steel ball [5] placed in the pesticide application bottle, the steel ball is located between the inner lid (baffle) and the outer lid, for opening / shutting medicine outlet.The water-saving quantitative pesticide application soil device for preventing and treating fall armyworm provided in the scheme can apply pesticide to prevent and treat fall armyworm larvae in the gap of corn core leaf, while water can be saved, quantitative pesticide application can be carried out, the effect of applying pesticide to prevent and treat pests on corn can be improved, and the use of chemical pesticide (insecticide) is reduced.

The invention discloses a biological solid slow-release carbon source as well as a preparation method and application thereof, and relates to the technical field of environmental science. The biological solid slow-release carbon source is prepared from corncob powder and polycaprolactone. The corncob powder and the polycaprolactone are compounded, so that the carbon release capability and the carbon release stability of the slow-release carbon source are improved. Compared with a skeleton type biological solid slow-release carbon source, the preparation method has simple steps and is more beneficial to practical application. Compared with the prior art, polyvinyl alcohol and sodium alginate are omitted, and the nitrogen removal capacity of the slow-release carbon source synergistic strain Pseudomonas stutzeri strain YC-34 is improved.

The invention discloses a corn genome breeding 45K chip and application thereof, the chip covers 44, 637 SNP loci and 27 InDel loci, and the SNP loci are uniformly distributed on 10 chromosomes and part of scaffold of a corn genome and have rich polymorphism. Compared with an existing corn chip, the SNP marker of the 45K chip is derived from re-sequencing results of 507 corn varieties, has better variety representativeness, and contains 925 key functional gene loci for close planting and high yield and 96 corn variety authenticity identification loci; the method can be more effectively used for functional gene identification, genetic diversity analysis, heterosis group division, whole genome selection analysis and variety authenticity identification.

The invention relates to an organic edible fungus culture medium and application thereof, and the organic edible fungus culture medium comprises the following components in percentage by mass: 20-45% of sawdust, 45-65% of corncob, 1-15% of tenebrio molitor manure and 1-10% of shell powder calcined product. The organic edible mushroom culture medium is prepared by scientifically compounding sawdust, corncobs, tenebrio molitor dung and shell powder calcined products, acidification of the culture medium can be effectively inhibited, the mushroom stick pollution rate is reduced, rich nutrient substances are provided for edible mushrooms, the yield and quality of organic edible mushrooms are remarkably improved, the biological efficiency is high, and the nutritive value and commercial value are high; raw materials are simple and easy to obtain, waste recycling can be achieved, and the cost of the culture medium is reduced; the method is used for field production to improve quality and yield stability.

The invention provides an energy-saving production process of xylose. The energy-saving production process comprises the following steps: crushing corncobs; a hydrolysis step; decolorizing with activated carbon; removing carbon; performing high-pressure membrane concentration; a step of adding calcium for neutralization; a step of over-carbon saturation reaction; ion exchange; performing secondary membrane concentration; carrying out secondary decolorization and interchange; moisture is removed through a triple-effect or higher-effect evaporator, and the sugar degree is increased to 65%; cooling and crystallizing the high-concentration liquid to generate high-purity xylose powder, and drying the xylose powder; warehousing finished products, sealing boxes of the obtained finished products, bagging and entering a warehouse; the energy-saving xylose production process has the advantages that the membrane concentration equipment is introduced into the production process before neutralization, so that the volume of all subsequent liquid is reduced, and the scale of subsequent treatment equipment and the consumption of water are reduced. A large amount of organic acid is removed in the concentration process, occupation of the organic acid on resin is reduced, and the exchange rate is increased; all substances except the organic acid are concentrated, and after the concentration is increased, a large amount of salt is removed through neutralization, so that the treatment content of a subsequent impurity removal procedure is reduced.

The application discloses a method for planting agaricus bisporus by using amomum tsao-ko stalks, and belongs to the technical field of edible mushroom planting. The amomum tsao-ko stalks, corn cobs, wild rice shoots and beer dregs which are soaked in a suspension liquid extracted from the amomum tsao-ko stalks and then fermented are used as planting substrates. After the agaricus bisporus mycelium grows on the planting substrates and covers the mushroom soil, trehalose and bamboo joint ginseng extract solution are sprayed, so that the agaricus bisporus mycelium germination can be effectively promoted, the mushroom speed can be improved, and the agaricus bisporus fruiting body yield and the agaricus bisporus cap diameter can be increased.

The invention discloses a dense mycelium-based high-efficiency and durable sound-insulating composite material and a rapid preparation method thereof, relating to the field of biological building materials. The method comprises the following steps: uniformly mixing straw powder, corn cob powder, sawdust powder, bran powder, soybean meal powder and an alkaline mixed additive, adding aerogel particles, graphene nanosheets and water, and stirring to form a culture medium; simultaneously and uniformly inoculating oyster mushroom species or ganoderma fungus species on the culture medium by multi-point injection, with the injection depth being the same; then controlling the temperature to 30-35°C and the humidity to 65%-75%, heating the culture medium by microwave heating under ventilation conditions, and obtaining a culture system after the mycelium completely covers the culture medium; and pressing the culture system into shape under a pressure of 2-5 MPa, and then vacuum drying the culture system to control the total water content to below 4%, thereby obtaining a dense mycelium-based high-efficiency and durable sound-insulating composite material, thereby improving production efficiency and material performance, and avoiding chemical pollution.

The invention provides an oyster mushroom culture medium which comprises the following raw materials in percentage by weight: 40-50% of cottonseed hull, 10-15% of corncob, 8-15% of sawdust, 6-10% of purple perilla composite powder, 5-8% of tea seed cake pretreatment powder, 3-5% of mint composite powder, 5-8% of wheat bran, 1-2% of gypsum and 0.5-1% of calcium superphosphate, the water content of the culture medium is 65-70%, and the pH value is 6.5-7.5. The invention also provides a preparation method of the oyster mushroom culture medium, which comprises the following steps: mixing the materials according to the formula proportion, and uniformly stirring; adding clear water to adjust the water content to 65-70%, stirring, and standing for 12 hours to enable the raw materials to fully absorb water; the filling amount of each bag is 1.2 kg, sterilizing for 2-3 hours by adopting 121 DEG C high-pressure steam, and cooling to 25 DEG C or below for later use. By adding the purple perilla, the sasangua cake and the mint, the insect prevention performance of the culture medium is remarkably improved, the infectious microbe contamination rate is controlled to be 3% or below, the pest invasion rate is remarkably reduced, and the biological conversion rate and the oyster mushroom quality are remarkably superior to those of a traditional culture medium.

The invention relates to the technical field of biological waste treatment, in particular to a preparation method and application of a silkworm sand feed additive. The invention provides a technical scheme for preparing a silkworm and mulberry sand feed additive rich in acid protease, pectinase and cellulase by taking silkworm sand as a core matrix and performing directional pretreatment, adaptive strain fermentation and standardized post-treatment. According to the invention, silkworm sand-corncob powder is used as a composite substrate, and the silkworm sand and the corncob powder complement each other in function, so that the problems of unbalanced nutrition and poor air permeability of a single substrate are solved. Specific aspergillus niger is used for segmented solid-state fermentation, parameters are set in a differentiated mode, and full-amount utilization of the silkworm sand is achieved; the product quality and enzyme activity are improved by optimizing the process, and the resource value is improved from the low-added-value field to the high-added-value enzyme preparation industry.

The application relates to the technical field of biomass utilization, and relates to a continuous preparation technology of furfural from corncob, which comprises the following steps: S1: corncob is crushed into powder, then is mixed with sulfur trioxide, and is subjected to steam explosion under steam pressure; S2: acid catalysis-extraction reaction; S3: the once-extracted phase is subjected to solid-liquid separation, the liquid phase is subjected to secondary extraction by using an extracting agent, and a secondary extraction phase is obtained; S4: the once-extracted phase and the secondary extraction phase are combined and are sent into a rectifying tower for rectification, and furfural with a purity greater than 99% is obtained. The application has the beneficial effects that: 1. after the corncob is crushed, the corncob is mixed with sulfur trioxide and is subjected to steam explosion, hemicellulose can be effectively stripped from lignin, the subsequent reaction of preparing furfural from hemicellulose by acid catalysis can be more easily carried out, and the yield is higher; 2. in the method, acetic acid and aluminum chloride are used as mixed acid catalysts, the reaction temperature is reduced by 20-40 DEG C compared with one-pot method, and the reaction pressure is reduced by 0.4-0.7 MPa.G compared with one-pot method, so that the requirement of the reaction on equipment is reduced.

Infill composition for artificial turf fields comprising at least one layer of particles comprising woody strip corn-based particles, comprising a particle size distribution with an initial dry size of 0.5 to 5 mm and a final size of 0.6 to 7 mm after wetting. The composition can be installed by spreading a layer of dry woody strip corn-based particles onto a provided mat on a compacted stone base; watering the particle layer so that the dry particles expand after watering; brushing the particle layer; and decompacting the particle layer so that the woody strip corn-based particles are evenly distributed over the mat.

The invention discloses a CO2 response type multistage fluidity control gel particle and a preparation method thereof, and relates to the technical field of oilfield chemistry. The preparation method comprises the following steps: taking 18-25 parts of acrylamide, 2-6 parts of a CO2 response monomer, 1-7 parts of perfluorinated acrylate and 4-12 parts of corncob, polymerizing under the action of a cross-linking agent, an initiator and a surfactant, and crushing and drying after the polymerization is finished, thereby obtaining the water-soluble polymer. The gel particles disclosed by the invention can be quickly dispersed in water, the injection allocation process is simple, and the construction cost is relatively low; the gel particle disclosed by the invention can realize two-stage water absorption expansion in CO2 flooding, and shows relatively good mobility control capability; the CO2 oil displacement efficiency can be greatly improved, and the highest CO2 oil displacement efficiency can reach 30% or above.

This invention discloses a method for extracting xylose syrup from corn cobs, relating to the field of xylose production. The invention includes equipment for extracting xylose syrup from corn cobs, comprising: a sieving machine for removing dust and fine debris from the corn cobs; and a drum-type washing machine for cleaning the dust and debris from the corn cobs. This invention, through a specially designed soaking device and a timed control system, precisely controls the absorption amount, allowing for more complete hydrolysis of hemicellulose in the corn cob particles into xylose. This reduces incomplete reactions or side reactions caused by insufficient or excessive absorption. The process eliminates the need for frequent manual intervention and can automatically perform detection at preset time intervals, significantly saving labor and time costs. Because the weight of dilute sulfuric acid absorbed by the corn cob particles can be precisely controlled, the reaction conditions for each batch are more consistent, thus ensuring the stability and consistency of the xylose syrup product quality.

This utility model discloses a packaging structure for corn cob powder briquettes, including a ton bag and corn cob powder briquettes. The ton bag has a square cross-section, and the side length of the square matches the sum of the length and width of the corn cob powder briquettes. Multiple corn cob powder briquettes are stacked layer by layer inside the ton bag, with four briquettes per layer. The four briquettes are arranged in a circular arrangement, with their ends adjacent to each other, and a square hole for loose material is formed at the center. The square hole holds loose corn cob powder for counterweighting. This utility model ensures that the material weight in each ton bag is consistent, meeting the requirement for precise feeding before mixing.

The utility model relates to the technical field of corncob crushing, in particular to a corncob crushing device which comprises a crushing box and a crushing mechanism for crushing corncobs, a screening mechanism is arranged on the lower portion in the crushing box, and the crushing mechanism is located on the upper portion in the crushing box. The smashing mechanism comprises a discharging assembly used for discharging corncobs and a smashing assembly used for smashing the corncobs. The corncob discharging device has the beneficial effects that corncobs accumulated at the discharging port of the discharging bin are scrabbed downwards through mutual rotation of a first scrabbling roller and a second scrabbling roller in the discharging assembly, the discharging port of the discharging bin is dredged, and the phenomenon that a large number of corncobs are blocked at the discharging port of the discharging bin is reduced; and meanwhile, the vibration assembly is used for driving the discharging bin to generate certain vibration, the corncobs in the discharging bin are promoted to flow downwards, discharging of the corncobs is more convenient, the discharging fluidity of the corncobs is improved, and the later smashing efficiency is improved.