394 results about "Sweet sorghum" patented technology

This invention relates to a method and system of preparing ethanol based on the solid state fermentation of sweet sorghum stem, belonging to the ethanol production technology of solid state fermentation. It includes the following key processes and device: raw materials smash is to choose the suitable mill to smash sweet sorghum stalk, strain addition is to add ethanol bacteria at the entrance of solid-state fermentation tank, solid-state fermentation is that the raw materials added bacteria is fermented in the slant rotor solid-state fermentation tank, solid distillation is to distill the solid-state fermented materials to obtain ethanol.

The invention discloses a wood-plastic composite material using sweet sorghum slag as an enhanced phase and a preparation method for the wood-plastic composite material. The wood-plastic composite material comprises 10 to 80 parts of sweet sorghum slag and 20 to 90 parts of recycled plastic, wherein the sweet sorghum slag and the recycled plastic serve as a matrix phase; and the sweet sorghum slag is subjected to combined pretreatment by an alkali-oxygen method and a steam explosion method. Sectional materials such as a sweet sorghum slag wood-plastic four-pore board, a sauna board, garden protective process, walls and the like are manufactured by extruding a fixed die and forming, or sweet sorghum slag wood-plastic products are manufactured by formation such as injection molding, pressing and the like. The sweet sorghum slag wood-plastic products can be suitable for large-scale continuous batch production and has the advantages of high performance, low cost, moth resistance, moisture resistance, no formaldehyde and the like. Compared with the conventional wood powder fillings, the wood-plastic composite material has the advantages of light weight, high performance, low cost, high extrusion speed, low processing temperature and the like, wherein the mechanical performance of the sweet sorghum slag subjected to treatment is superior to that of wood powder. The sweet sorghum slag wood-plastic composite material has good economic benefits, social benefits and ecological benefits of reducing environmental pollution, protecting forest resource and promoting economic development.

The invention relates to a method for separating ethanol by using Chinese sorghum straw through solid fermentation method and the system, belonging to field of ethanol produ ction process through solid fermentation. It comprises following steps: disintegrating Chinese sorghum straw, solid fermenting and getting fermentation material, conveying it to distilling system through compact channel convey belt; feeding fermentation material into annular rotary disk, contacting with steam from high- efficiency gas distributor to make ethanol converse into gas phase from solid phase, discharging slag continuously; separating ethanol with distilling- rectifying coupled process, getting industrial ethanol of 95.5% (w / w). The ethanol productivity is increased by employing istilling- rectifying coupled process, the ethanol volatilisation is dramatically reduced during conveying process by employing compact channel blet convey; the transiation is improved and continuous production is realized by employing annular rotary disk for solid distillation.

The present invention provides a method for co-producing ethanol, biodiesel, biogas and other biological energy sources by using organic waste as a raw material. The method comprises that: a lignocellulose raw material is pretreated, enzymolysis sugar production and ethanol fermentation are performed, livestock and poultry manure is added to the enzymolysis residue, anaerobic fermentation is performed to produce biogas, the biogas residue is converted through saprophagous insects, organic wastewater is adopted to culture microalgae, and the insects and the microalgae are adopted to prepare the biodiesel; and an energy source plant conversion and utilization system is adopted to collect the process wastewater, the biogas liquid, the waste gas, the biogas residue and other solids and separate and enrich the biogas process carbon dioxide so as to be used for culture of sweet sorghum, sugar cane and other sugar-containing energy source plants, purple sweet potato and other starch-containing energy source plants, aspen and other cellulose-containing energy source plants, and sapium sebiferum and other grease-containing energy source plants, and the biomass produced by the energy source plants can further be used for extracting sugar sources, starch, fat and cellulose for biological energy source production.

A method and system to produce alcohol from a combination of sweet sorghum and other agro-based feedstock is described. The base or major raw material is sweet sorghum and the agro feedstock may be molasses, cantaloupe fruits, mango, pineapple etc. Juice is extracted from sweet sorghum and the molasses (or juice from other feedstock) are mixed and heated to about 105 degree C. and then rapidly cooled down to about 30 degree C. when yeast is added and the fermentation takes place for about a period of 72 hours. Thereafter, the fermented juice is distilled to produce alcohol. The water consumed in this process is very less compared to traditional methods. Unique and distinct flavored alcohol / spirit can be produced without any special equipment or modifications to existing machinery. Damaged, over-ripen and unmarketable fruits may also be utilized for production of alcohol in combination with sweet sorghum juice.

The invention relates to a production method in circulation mode for raising livestock and poultry by virtue of interplanting forage grass in flue-cured tobacco land. In the method, the forage grass is interplanted in the land for planting flue-cured tobacco, the collected forage grass is used for raising the livestock, such as sheep, or raising the poultry, such as geese, the sheep or the geese can also be directly driven into the interplanting land for raising after middle tobacco leaves of the flue-cured tobacco are picked, excrement generated by the raised livestock and the poultry can be used as a raw material for producing biogas, and remaining biogas residue and biogas slurry after the biogas is produced can also be used for fertilizing for planting the flue-cured tobacco; and sweet sorghum is planted on the periphery of the land for planting the flue-cured tobacco and interplanting the forage grass so as to be used as an isolation belt, and the sweet sorghum can also be used as a feed for cultivation. By adopting the production method in the circulation mode, not only can the problem of the cultivation land be solved, but also the weeding process step in planting of the flue-cured tobacco is eliminated, and higher economic benefits can be obtained.

A process for converting lignocellulosic materials which are field residues such as cotton stalks and corn stover, process residues such as sugarcane bagasse and sweet sorghum bagasse, woody parts of energy crops such as switchgrass and miscanthus, forest residues or byproducts of the wood processing industries such as sawdust from sawmills to a liquid biofuel by a series of processing steps wherein the feed materials are hydrolysed in three stages and withdrawn as three product streams each consisting of solubilized fragments of one of the three major components of the feed materials and a set of concurrently operating processing steps wherein each of the three product streams is transformed through chemical or biochemical processes into products, such as pure lignin and ethanol, that have a high calorific value and process wherein these products with high calorific value are combined to form a liquid biofuel.

The invention discloses a planting method of sweet sorghum in coastal server saline-alkali soil. The method comprises the following steps: A, preparing soil, and constructing a strip or platform field; B, irritating with salt water in winter, and icing; C, covering with a plastic film; D, sowing; E, managing in a growing phase; and F, harvesting when the sweet sorghum is ripe. According to the method, by means of a series of measures, such as soil preparation, salt water irrigation and icing in winter, salt water ice melting and showering in spring, plastic film covering to inhibit salt and preserve soil moisture and the like, the salt content of the soil at the root layer of the sweet sorghum is reduced, and the sweet sorghum grows normally. The method is operated simply, has low cost, is applicable to coastal saline-alkali areas to promote development of sugar making and biological energy industries in China, and has remarkable economic, social and ecological benefits.

The invention discloses a film mulching and ridging salt-tolerance planting method for sweet sorghum in coastal beach saline-alkali soil, and belongs to the technical field of crop growing. According to the method, base fertilizer is sufficiently applied in the saline-alkali soil in a coastal beach area, wherein the salt content of the saline-alkali soil is lower than 0.5%; after the soil is finely prepared, ditching is carried out to make beds according to the standard that the width of each bed face is 3-4m; the sweet sorghum is planted in large lines and small lines in suitable density according to the salt content of the soil, wherein the large line spacing is 80cm, and the small line spacing is 40cm; sweet sorghum species of which the growth period ranges from 110 days to 120 days are selected and used to be seeded in the last ten-day period of May and the first ten-day period of June; if soil moisture content is low, irrigation can be carried out to improve the soil moisture content, and seeding is carried out after the soil moisture content reaches a suitable value; after seeding and earthing, the small lines are covered by mulching film, small high ridges with the height of about 5cm and the width of about 10cm are heaped at the film edges, and seedlings are led out of the film timely after emerging. The high-yield culture techniques such as final singling and seedling keeping management, base fertilizer application, jointing fertilizer dressing and disease pest and weed integrated control are adopted after seedling emerging for field management, and the high yield of the sweet sorghum with the stem and leave fresh weight reaching 4-5ton per mu can be achieved.

A harvesting system and method providing a row insensitive plant cutting and gathering capability, suitable for harvesting tall, stalky plants such as sweet sorghum, cane, and the like, in high volume, which also billet cuts the harvested plants. Multiple plants are cut simultaneously on a continuous basis at any locations across a header of the system, and the cut plants are gathered into a continuous overlapping flow having a vertical extent or thickness of several stalks or canes and their associated foliage. The flow is then vertically compacted into a mat of reduced thickness while being conveyed into a billet cutter, which cuts the stalks or canes into billets of a desired length and discharges the billets to a desired location, all while the harvester is moving through a field harvesting. The system can be incorporated into a conventional sugarcane harvester in place of conventional base cutters and row dividers.

The invention discloses a method for producing butane diacid through continuous fermentation or semi-continuous fermentation, which belongs to the bioengineering technical field. The invention provides application of Actinobacillus succinogenes in the method for continuously or semi-continuously preparing the butane diacid by utilizing carbohydrate raw materials such as cane molasses, corn starch syrup, Jerusalem artichoke hydrolysis syrup, sweet sorghum straw syrup, and lignocellulose hydrolysis syrup and so on. The method utilizes multi-step continuous fermentation or two-step semi-continuous fermentation, which can improve germ concentration and cell activity and can obtain high butane diacid output and high butane diacid production intensity; the method is easy to realize automatic and continuous operation; compared with batch fermentation, the method can save non-fermentation time such as repeated tank cleaning, sterilization and so on, so the production efficiency can be greatly improved; the semi-continuous fermentation for producing the butane diacid is easier to control fermentation parameters than the continuous fermentation, has high sugar utilization rate, target product yield and target product output, has simple and easy equipment and operation, and is suitable for industrialized production.

The invention discloses a continuous-coupling solid fermentation method and a solid bioreactor thereof. The invention has the operation method that: material is fermented in a horizontal tank first and then extracted in a vertical tank; or the material first finishes an enzymatic hydrolysis process in the horizontal tank, and then is fermented and extracted in the vertical tank. The bioreactor is characterized in that: a material inlet is provided with an airlock that can cause the material to continuously enter a fermentation tank and separate the fermentation tank with outside; the enzymatic hydrolysis, the fermentation and the extraction processes of the material are integrated into one reactor and are continuously done. The invention is suitable for the solid fermentation processes such as biomass alcohol, biomass hydrogen-production, fermentation alcohol by sweet sorghum, fermentation xanthan by inert carrier, etc.; the method realizes the continuously fermentation and coupling of every process stage; compared with fermentation in batch, the steps of reactor inoculation, cleaning and sterilization, etc., are reduced and the middle operation are also spared, thus saving manpower and material; in addition, the whole process has no turning and stirring device for solid material, thus avoiding the damage to mycelium.

The invention relates to a solid-state fermentation method for ethanol production based on sweet sorghum stalks (including other sugar raw materials, such as, sugar beet, sugar cane, Jerusalem artichoke, etc) and a system, which pertains to the technical field of the processing of biomass liquid fuel. The method mainly includes the following key processes and core equipments: (1) smashed materials are fed into a tank with the help of the rotary motion of a cylinder body of a rotating drum type solid-state fermentation tank and the dual-function of the inclined angle of the tank body (1 to 15 degrees) and a feeding stirring board so as to be evenly mixed with the high-yield ethanol TSH-Sc-1 yeast liquid which is prayed from a sprayer; (2) the solid-state fermentation is carried out in the facultative oxygen environment, the fermentation tank is rotated at an even speed to promote the mixing of materials and the strengthening of heat transfer, thus the fermentation is always in a best condition and the fermentation time is shortened; (3) on-line monitoring is carried out: the solid-state fermentation is affected by a plurality of factors, such as, the distribution of the on-line regulation temperature of a computer, spray amount, the concentration of dissolved O2, filling factors, the mixing degree of the smashed materials and the yeast liquid, the pH value of yellow slurry, CO2 concentration, ethanol concentration, the migration of bacteria species and other parameters so as to ensure that the solid-state fermentation is carried out under a best working condition; (4) the automatic discharge of the fermentation material from the tank is realized with the help of the rotation of the tank body and the push of a discharging stirring board, and a closed tunnel belt is adopted for conveying the fermentation material to an ethanol-dreg separation unit.

The invention discloses a process for preparing ethanol by solid fermentation and distillation of sweet sorghum stalks, which comprises, (1) comminuting the harvested mature sweet Chinese sorghum stalk into small fragments with comminuting machines, (2) charging yeast activating liquid, (3) loading the fermentation raw material into fermentation tank and sealing, (4) distilling the fermented raw material in distillation flask.

The invention relates to a sweet sorghum comprehensive utilization system comprising process of planting sweet sorghum, producing the sweet sorghum to obtain ethanol, and using the branches and leaves of harvested sweet sorghum and the dregs obtained in the ethanol production process as feedstuff. The system which can realize the comprehensive utilization of sweet sorghum can produce products mainly comprises sorghum rice gluten flour, biodiesel and biological gasoline, thereby, great economic benefit and social benefit can be realized.

A method for clarifying the juice mixture obtained by squeezing the sugar-contained crops (sugar cane, sweet sorghum, etc) features use of the composite bentone-chitosan flocculant. Its filtered mud can be used as organic fertilizer.

The invention relates to the biotechnology processing field, and especially relates to a method for preparing silage by using sweet sorghum, and the method comprises the following steps: harvesting, cutting into short part, filling, sealing, performing silage management. In the filling step, a lactobacillus fermentation mother liquor is sprayed on a cut silage raw material. The method is characterized in that sweet sorghum at a heading period is harvested at sunny day, and dried for 1-3 hours, the moisture of sweet sorghum is kept between 68-76%, cutting is carried out according to 1-2cm length, filling and compressing are carried out layer by layer, in the filling process, a spraying method of the lactobacillus fermentation mother liquor is used for making up the disadvantages of insufficient lactobacillus of the plants, the silage is capable of rapidly forming lactobacillus for fermentation during the production process, and thereby the silage with high quality can be produced, the color of the silage presents yellow and green, the sour fragrance is obvious, and nutrient loss can kept less than 8%.

The invention discloses a comprehensive utilization method of sweet sorghum straw and juice thereof, which comprises the following steps: juicing sweet sorghum straw, separating the juice from straw residues, performing steam explosion of the sweet sorghum straw residues to obtain steam exploded straw and a steam exploded straw eluate; performing enzymatic hydrolysis of the steam exploded straw, mixing with the sweet sorghum juice, controlling the sugar content to be 6%-7%, adding a nitrogen source, performing acetone butanol fermentation to produce acetone, butanol and ethanol; inoculating bacteria into the fermentation residues to produce feed protein; performing decoloration, detoxification, and enzymatic hydrolysis of the steam exploded straw eluate to extract xylo-oligosaccharides. The invention realizes graded utilization of saccharides, cellulose and hemicellulose in sweet sorghum, can produce xylo-oligosaccharides, and can produce fermentation products such as acetone, butanol, ethanol, feed protein and the like through biotransformation. The invention realizes the comprehensive utilization of sweet sorghum straw resources, has no waste material or pollutant discharge during the production, realizes cleaner production, and has good social benefit and economic benefit.

The invention provides an effective method for improving saline-alkali soil through physical and biological combination. The method comprises the following steps that S1, the saline-alkali soil is deeply ploughed and loosened; S2, the saline-alkali soil is flattened, water storage and field steeping are conducted around a dam, and salt is washed through fresh water; S3, soil replacement is conducted on the saline-alkali soil, wherein newly-added soil is a manually-prepared special soil matrix; S4, biological organic fertilizer is applied to the saline-alkali soil; S5, the saline-alkali soil isimproved through a biological technology; S6, salt-resistant crop sweet sorghum is planted on the saline-alkali soil; S7, water and fertilizer management of improved planting of sweet sorghum on thesaline-alkali soil is conducted; S8, the steps above are repeated in two successive years, after sweet sorghum is planted in the third year, the saline-alkali soil is improved. According to the effective method, two years after sweet sorghum is planted on the saline-alkali soil, the soil salt content of the saline-alkali soil can be lowered from 0.3-0.6% to about 0.125%, and the organic matter isincreased from 0.7% to about 2.23%; 3 years after sweet sorghum is planted, the soil salt content of the saline-alkali soil can be lowered to a normal cultivated land level, the saline-alkali soil becomes desalted soil, and the saline-alkali soil is successfully improved.

The invention discloses a sclerotium rolfsii solid fermentation culture medium and an application thereof. The solid fermentation culture medium comprises a solid substrate and water, wherein the solid substrate comprises wheat bran and agricultural wastes, the wheat bran accounts for 20%-60% of the total weight of the solid substrate, and the weight ratio of the water to the solid substrate is (20-45):100; and the agricultural wastes select rice husk, sweet sorghum straw, an organic fertilizer, a wheat bran substrate, vinegar residue, wine lees, garden dead twigs or sawdust. The sclerotium rolfsii solid fermentation culture medium prepared by the preparation method disclosed by the invention is low in cost, the preparation process is simple, and a herbicide prepared by adopting the solid fermentation culture medium can be preserved at room temperature.

The invention discloses a biological sweet sorghum seed-pelleting coating agent, which comprises the following components in percentage by weight: 20 to 30 percent of compound bacteria culture, 5 to 10 percent of streptomycs micuoflavus culture, 0.03 to 0.07 percent of plant growth regulating substance, 6 to 10 percent of super absorbent resin, 0.05 to 0.15 percent of micronutrient element, 55 to65 percent of attapulgite and 3 to 5 percent of water-soluble adhesive. The biological sweet sorghum seed-pelleting coating agent can be used for preparing a biological sweet sorghum seed-pelleting agent, and the biological sweet sorghum seed-pelleting agent can absorb salt in the soil and immobilize the salt in vivo of organisms of efficacious colony so as to reduce the salt around sweet sorghumseeds and saline soil damage; simultaneously, the efficacious colony is propagated in the soil so as to activate mineral nutrition in the soil and increase mineral nutrition for the seeds; and the secretion of the efficacious colony in the propagating process has the effect of regulating substances, and can improve the anti-salt capacity of the sweet sorghum seeds and the germination rate.

The invention discloses a method for preparation of viscose fiber using sweet sorghum stalk. The cellulose pulp of sweet sorghum stalk is made by using sweet sorghum stalk as raw material. The viscose fiber is produced by cellulose pulp of sweet sorghum stalk. The steps of preparing viscose fiber using sweet sorghum stalk are as follow: stock, cooking, discharge, dressing by washing, desanding, chlorination, basification, bleeching by sodium hypochlorite, washing, condensing, paper making, dipping, compression, aging, etiolation, grinding, dissolution, blending, filtrating, debubbling, filtrating, spinning, drafting, post-processing and etc. The invention can effectively removed the impurities in the sweet sorghum stalk, therefore a high-quality viscose fiber of sweet sorghum stalk is obtained, with high cellulose content, good whiteness, lower impurity contents of pentose, crozzle and so on.

A method for preparing acetone-butanol by using sweet sorghum straw and sweet corn straw comprises the steps extracting juice from sweet sorghum straw and sweet corn straw and diluting sugar content of juice to 10-6, adding phosphates, calcium salt, nitrogen source and minim growth factor, sterilizing at up to 121 DEG C then cooling to 32-37 DEG C to obtain fermentation medium, inoculating acetone-butanol production strain in corn culture medium, heat activating at 100 DEG C and anaerobic cultivation at 37 DEG C to obtain seed liquor, accessing the seed liquor into fermentation medium according to fermentation medium volume ratio 2-5, anaerobic fermentation at 32-37 DEG C to obtain acetone and butyl alcohol fermentation broth, at last testing the content of acetone and butyl alcohol. The feature of the invention is in one aspect utilize straw in season, in another aspect, can utilize different kinds lower sugar-content sweet sorghum straw and sweet corn straw cultured in different areas and different season. The problem of conserving fresh straw for fermenting and preparing in large scale is settled.

The invention relates to a method for improving activated sludge concentration in the alcohol wastewater full-distillage anaerobic digestion process. Corn, wheat, paddy rice, sweet potato, sugar-cane, cassava, sweet sorghum and plant straw containing cellulose from the alcohol production process serve as raw materials; and full-distillage waste mash produced in the alcohol production process is subjected to processes of two-stage anaerobic, aerobic, anaerobic activated sludge separation, anaerobic activated sludge concentration and recovery, liquid solid separation, dry-distillage combustion and advanced wastewater treatment. Primary anaerobic effluent containing sludge exhausted from a primary anaerobic jar is fed to an activated sludge recovery device. In the activated sludge recovery device, the primary anaerobic effluent passes through screening equipment to obtain an undersized material of the activated sludge-enriched primary anaerobic water and a sludge-enriched oversized material; and the COD concentration of secondary anaerobic effluent is below 500mg through the aerobic operation in an aerobic jar. The aerobic jar effluent is fed to an advanced wastewater treatment device, the COD concentration of the sewage subjected to the advanced treatment can be less than 100mg / L, and the sewage is discharged after reaching the standard.

The invention relates to a method for promoting growth of sweet sorghum in a saline-alkali land with arbuscular mycorrhizal fungi and an organic fertilizer, sweet sorghum seeds are sown in the saline-alkali land, the arbuscular mycorrhizal fungi are inoculated and the organic fertilizer is applied simultaneously, and conventional field management is performed in the growing process of the sweet sorghum until harvesting. According to the method, the buffering performance and adsorption capacity of the soil can be enhanced by the aid of the actions of adsorption, complexing, reduction, volatilizing and the like of the organic fertilizer, the toxic action of saline ions is reduced, and the plant growth is promoted; the effectiveness of the saline ions is reduced by the aid of the chelation, the hypha immobilization function and the like of the arbuscular mycorrhizal fungi, the plant tolerance is improved in various ways of improving the plant nutriture, changing the rhizosphere physical and chemical properties, changing the root morphology, adjusting the expression of some salt-resistant genes and the synthesis of related proteins and the like, and the arbuscular mycorrhizal fungi and the organic fertilizer are applied simultaneously, so that saline-alkali stress can be relieved synergistically.

The present invention provides a sweet sorghum plant characterized by altered lignin content and / or altered lignin composition compared to a wild plant and this is achieved by manipulating the expression of caffeoylCoA-O-methyltransferae (CCoAOMT) in particular and optionally caffeic acid-O-methyltranferase (COMT) in sweet sorghum by incorporation of a construct comprising an isolated DNA sequence represented by SEQ ID NO 2 and optionally SEQ ID NO 1.

The invention relates to a method for promoting growth of sweet sorghum in saline-alkali soil through arbuscular mycorrhizal fungi. The method includes the steps of preparing and applying an arbuscular mycorrhizal fungi agent. When the arbuscular mycorrhizal fungi agent is prepared, a mixture of farmland soil and organic fertilizer serves as a substrate, and the organic fertilizer and decomposed products of the organic fertilizer can be used as a fungi protecting agent to have a buffering effect on saline ions in soil around the arbuscular mycorrhizal fungi in the early period when the fungi agent is applied to the saline-alkali soil so as to help the arbuscular mycorrhizal fungi to resist saline-alkali stress; the symbiotic relationship is smoothly formed between the arbuscular mycorrhizal fungi and the sweet sorghum, the mineral nutrition of the sweet sorghum is remarkably improved, the sweet sorghum can be helped to resist saline-alkali stress, and the growth of the sweet sorghum is promoted.

The invention discloses mixed silage containing sweet sorghum and alfalfa, and a preparation method of the mixed silage. The mixed silage comprises the following components by weight percent: 20-40% of sweet sorghum and 60-80% of alfalfa. The preparation method comprises the following steps: harvesting the raw materials, chopping, mixing, filling and compacting, sealing and carrying out silage fermentation. After the mixed silage is used, the problems that the alfalfa is low in content of soluble sugar, high in buffer capacity and difficult to directly silage can be solved, and the problems that the sweet sorghum is higher in coarse fiber content and lower in protein content when being separately silaged can be solved. The prepared novel mixed silage has the characteristics of being high in protein content, low in fiber content and excellent in quality.

The invention discloses a mixed feed made with sweet sorghum straw powders. The mixed feed contains rice bran powder, corn meal, soybean meal, cake, sweet sorghum seed powder and grain powder. The invention is characterized in that the mixed feed further contains sweet sorghum straw powder; the weight ratio of sweet sorghum straw powder to sweet sorghum seed powder to soybean meal to rice bran powder is (5.5 to 10):(5 to 15):(0.4 to 15):(0.2 to 5); the consumption of grains is reduced; and since the sweet sorghum straw powder is rich in sucrose and glucose, the mixed feed is extremely easy to be absorbed by poultry and livestock and has good palatability. Besides, the sweet sorghum straw powder contains 18 kinds of amino acids, the content of amino acids accounts for 3.03% of the total weight of straw dry substances, and the content of lysine is 0.19%. The mixed feed is nutritious. The consumption of feed grains is greatly reduced and the feed cost is reduced.

The invention belongs to the technical field of a protein feed, and particularly relates to a method for producing mycoprotein feed by utilizing sweet sorghum straws and / or related waste residues. The method comprises the following steps: firstly, adding diluted acid for pre-soaking the sweet sorghum straws and / or related waste residues, and performing steam explosion; preparing aspergillus niger and trichoderma reesei mixture by using a shallow tray solid fermentation method, and respectively culturing candida utilis and lactobacillus casei by using a liquid submerged fermentation method; spreading 0.1-1% of urea into the exposed sweet sorghum straws and / or related waste residues, inoculating the aspergillus niger and trichoderma reesei mixture and candida utilis respectively according to the inoculum sizes of 10-20% and 5-10%, evenly stirring, and performing normal-temperature aerobic fermentation for 6-8 days; inoculating lactobacillus casei to the aerobic-fermented straws according to the inoculum sizes of 3-10%, regulating the moisture content to be 60-70%, and packaging through a vacuum compression packaging machine and an anaerobic fermentation feed bag. The produced mycoprotein feed has the advantages that the content of crude protein reaches 21.5-26.1%, the content of coarse fibers are up to 6.4-8.3%, the coarse ash content reaches 2.3-4.7%, the palatability is strong, and the mycoprotein feed is easily absorbed and utilized by animals.