969results about How to "Sufficient source" patented technology

The invention relates to the technical field of coke oven flue gas integrated utilization and pollution treatment and in particular relates to a coke oven flue gas waste heat utilization and purification method. The method is characterized in that flue gas waste heat is recovered by utilizing a flue gas waste heat recovery device, the temperature of the flue waste gas is reduced, and integrated desulfurization and denitration of the flue waste gas is realized by utilizing the activated adsorption capacity and low-temperature denitration catalytic capability of the coke. Compared with an existing process, the method has the beneficial effects that the flue waste gas desulfurization and denitration is performed under low-temperature working conditions, an additional heating system is not needed, and the energy consumption is reduced. In order to realize the desulfurization and denitration under low-temperature working conditions, the flue waste gas is cooled through the waste heat recovery device, so that the waste heat of the flue waste gas is fully utilized. The coke serves as a main catalyst for desulfurization and denitration and comes from a coking plant, the source is sufficient, and waste loss is avoided. The method disclosed by the invention can be widely applied to pollution treatment and integrated utilization of coke oven heated flue waste gas in coking production enterprises.

This invention discloses a method for manufacturing an insecticidal organic fertilizer. The fertilizer is composed of human or animal excrement, straw powder, tree leaves, wine lees, drug residues, sawdust, edible fungi residues, furfural residues, lime powder, fermentation agent, phosphorus- and potassium-leaching bacteria, tobacco powder, Ricinus communis leaf powder, Zanthoxylum cake powder, Datura and Strychnos nuxvomica. The fertilizer has such advantages as wide raw material resources, low cost, convenient usage, abundant nutrition, low fertilizer application amount, high efficiency, no toxicity, no pollution and no residues.

The invention relates to an SBS (styrene-butadiene-styrene) / scrap rubber powder composite modified asphalt which comprises the following components in parts by weight: 75-96 parts of matrix asphalt, 0.5-12 parts of scrap rubber powder, 0.5-6 parts of SBS, 0.2-8 parts of modified inorganic substance powder, 0.1-8 parts of compatilizer and 0.1-3 parts of crosslinking agent. The preparation method comprises the following steps: preparing the scrap rubber powder; heating the matrix asphalt to 160-180 DEG C, adding the compatilizer while stirring, and evenly mixing; adding the SBS scrap rubber powder and modified inorganic substance powder, stirring at the speed of 1000-5000 rpm for 5-125 minutes while keeping the temperature, and adding the crosslinking agent; and quickly stirring for 20-300 minutes while keeping the temperature. The key technical indexes of the product are higher than those of the SBS modified asphalt; and the invention enhances the high / low-temperature properties and aging resistance, prolongs the high-temperature storage stabilization period, and completely satisfies the property requirements for national high-grade roads.

The present invention discloses one kind of antiwear high-boron cast steel and its preparation process. The antiwear high-boron cast steel has the chemical components including C 0.10-0.50 wt%, B 0.8-5.0 wt%, Cu 0.3-0.6 wt%, Mn 0.8-2.0 wt%, Cr 1.0-2.5 wt%, Si less than 1.5 wt%, Ti 0.08-0.20 wt%, Ce 0.04-0.12 wt%, Mg 0.02-0.18 wt%, N 0.06-0.18 wt%, S less than 0.05 wt%, P less than 0.05 wt%, and Fe and inevitable impurity for the rest. Its preparation process includes smelting in an electric furnace while adding ferromanganese, frrroboron and Al to deoxidize, composite modification of molten steel, fast cooling, and low temperature tempering to eliminate stress. The present invention has simple production process, low production cost and other advantages.

The invention relates to a cutting seedling raising method inside a light substrate mesh bag containers for tree species which are difficult to root. The method of the invention is characterized in that a frame-typed youth cutting orchard is established firstly; quicksets are cut on mother plant for cutting; after the foundation of the quicksets are disposed by rooting hormone, the quicksets are inserted into the light substrate mesh bag container which is internally provided with light substrates so as to prepare the cutting seedlings and to carry out the cultivation. The cutting seedling raising method of the invention can obviously improve the rooting rate and the transplanting survival rate of the tree species which are difficult to root, especially the afforestation survival under severe conditions. Furthermore, the substrate used for preparing the light substrate mesh bag container can be made from local materials, has low comprehensive cost and is easy to be generalized on production.

The invention discloses a tobacco moistening agent and application thereof. After alkali metal salt, sea algae extracts, natural moisturizing factors, amino acid and polyhydric alcohols are evenly mixed under a heating condition, a required tobacco moistening agent is obtained. The tobacco moistening agent can be applied to pipe tobacco, paper-making mode reconstruction tobacco, cigarette paper, a cigarette holder and other tobacco products. Taking the pipe tobacco as a sample, if the weight of 0.5-2% of the pipe tobacco is added, the pipe tobacco has the function of obviously keeping moisture of the pipe tobacco, enables cigarette to keep original style, increases smoke wetness, reduces stimulation, and obviously improves comfort of a throat. Raw materials of products are non-toxic and harmless, sufficient in source, simple in technological process, convenient to manufacture, low in cost, and simple in adding technology, does not change existing cigarette production technology, is beneficial to improving core competitiveness of an enterprise, and brings substantial benefits for the enterprise.

The invention relates to a preparation method of a soil conditioner, belonging to the technical field of fertilizer preparation. The soil conditioner is mainly prepared from the following raw materials in parts by weight: 50-70 parts of plant straw carbon, 20-35 parts of fowl / livestock dung, 10-15 parts of bone meal, 1-8 parts of potassium sulfate, 2-8 parts of wood vinegar liquid, 3-9 parts of plant growth regulator and 0.5-1 part of active agent. The preparation method comprises the following steps: preparing carbon powder, pretreating the fowl / livestock dung, preparing a mixture, assaying and detecting, granulating and packaging. The soil conditioner is prepared by mixing the crop straw / bamboo / wood / grass carbon, which is used as the main component, with certain amounts of trace elements, plant growth regulator and bamboo / wood / grass vinegar liquid; since the soil conditioner not only is rich in the three main nutrient elements (nitrogen, phosphorus and potassium) which are essential for crops, but also contains secondary and trace elements, such as calcium, magnesium, sulfur, iron, boron, molybdenum, copper, cobalt and the like, the nutrient proportion of the soil conditioner is reasonable; and when being used as a conditioner, the soil conditioner can increase the organic content of soil and provide more comprehensive nutrients for crops, so that the crops have the advantages of good growth vigor, plump grains and much higher yield.

The invention relates to avermectin B2a / 2b amine derivatives and derivative salts thereof, and a preparation method and an application of the avermectin B2a / 2b amine derivative salts. The avermectin B2a / 2b amine derivatives comprise six types of compounds. The avermectin B2a / 2b amine derivative salts are salts formed by reactions of the six types of avermectin B2a / 2b amine derivatives and organic acid and inorganic acid. The preparation method of the avermectin B2a / 2b amine derivative salts comprises the steps that: (1) avermectin B2a / 2b is subjected to a protective reaction with tert-butyl dimethyl chlorosilane or allyl chloroformate; (2) protected B2a / 2b is subjected to a reaction with an oxidant, such that an avermectin B2a / 2b ketone compound is obtained; (3) the ketone compound is subjected to an amination reaction, such that protected amine derivative is obtained; and (4) the protective agent is removed, such that B2a / 2b amine derivative is obtained; the derivative is subjected to a reaction with organic or inorganic acid, such that avermectin B2a / 2b amine derivative salt is obtained. According to the invention, avermectin B2 is adopted as a matrix for synthesizing avermectin B2a / 2b amine derivative and avermectin B2a / 2b amine derivative salt, such that avermectin B2 applciation range is widened.

The invention relates to an artificial feed of sesamia inferens walker as well as a preparation method and a feeding method thereof, belonging to the technical field of insect feeding. The artificial feed comprises soybean meal, corn meal, wheat germ, yeast powder, casein, cane sugar, honey, fresh wild rice shoots or fresh rice stems, ascorbic acid, cholesterol, choline chloride, Fiske salt, vitamin B complex, vitamin E, sorbic acid, methyl parahydroxybenzoats, 40 percent formaldehyde, 98.18 percent rice ketone, agal-agal and water. A long-term and successive feeding method of the sesamia inferens walker is carried out by adopting a wild rice shoots (young larva) and artificial feed (old larva until pupation). The fed larva of the sesamia inferens walker have development period of 24.8 days, larva survival rate of 76.6 percent, percentage of pupation of 87.7 percent, eclosion rate of 91.3 percent, egg laying amount of 101.9 for single adult and egg hatching rate of 88.8 percent. The invention has the advantages of low cost, practicability, simple preparation, and the like, and is suitable for massive, long-term and successive feeding of standard test sesamia inferens walkers.

A liquid fertilizer containing biogas slurry is composed of 50-80 weight parts (the same as below) of biogas slurry concentrated solution, 20-30 parts of urea, 15-25 parts of potassium dihydrogen phosphate, 1-3 parts of calcium chloride, 2 -4 parts of magnesium sulfate heptahydrate, 1-1.5 parts of ferric chloride hexahydrate, 0.8-1 parts of zinc sulfate heptahydrate, 0.5-1 parts of boric acid, 0.4-0.7 parts of ammonium molybdate tetrahydrate, 0.2-0.3 parts of cupric sulfate pentahydrate, 0.1-0.2 parts of manganese chloride tetrahydrate, 3-5 parts of citric acid monohydrate, 1-5 parts of ascorbic acid, 1-5 parts of tween 80, whose pH value is 7-8.5, the use of liquid fertilizer is diluted 500-2000 times with water, the pH value is adjusted to 6-7 by acid, the liquid fertilizer can be used as soilless culture and / or foliage fertilizer to spray, has advantages of stable fertilizer, rich and perfect nutrient ingredients, abundant sources of material, low cost, environmental protection, large usable floor area due to convenient transportation.

The process of preparing biological diesel oil with palm oil includes the steps of: hydrating and degumming coarse palm oil, distilling to eliminating acid, dewatering, adding low carbon alcohol and catalyst for ester exchange reaction to obtain coarse biological diesel oil and coarse glycerin, evaporating to separate out low carbon alcohol and to obtain biological diesel oil and glycerin as side product, and recovering the evaporated low carbon alcohol for reuse. The present invention has abundant material source, low cost, high biological diesel oil converting rate and yield, simple technological process and less environmental pollution.

The invention discloses a method for cultivating agaric with mulberry branches. The formula for cultivating agaric with mulberry branches consists of the following raw materials by weight: 80-85 parts of mulberry branch, 1-5 parts of rice bran, 1-5 parts of bran, 1-5 parts of corn meal, 1-5 parts of silkworm excrement, 1-5 parts of gypsum powder, 0.1-1 parts of lime powder, 1-3 parts of sugar, 1-5 parts of cottonseed meal, 1-3 parts of soybean powder and 0.1-1 parts of calcium carbonate. To cultivate agaric with mulberry branches has ample raw material sources, simple technology, low cost and quick effectiveness. Moreover, to cultivate agaric with mulberry branches can solve the contradictions between fungus and forest. To cultivate agaric with mulberry branches instead of forest logs not only has the effect of turning waste into treasure and improving the economic benefit of sericulture production, but also has great significance in the protection of the forest resource.

The invention discloses a composite additive and application, which is composed of tobacco extract, alkaline metal salt and metal hydroxide to reduce harmful component such as amine nitrite, condensed-nuclei aromatics and carbon monoxide. The composite additive is fit for cigarette, which can modify and improve the quality of cigarette.

The invention relates to a self-heat-insulating fly ash autoclaved aerated concrete block which comprises the following components in parts by weight: 1400-2200kg of fly ash, 330-400kg of cement, 390-550kg of quicklime, 100-200kg of white lime, 50-100kg of desulfurized gypsum, 255-420kg of block waste, 2.15-2.90kg of aluminum powder paste and 0.20-0.50kg of foam stabilizer. According to the invention, the fly ash, desulfurized gypsum and excessive cut waste from a power plant are fully utilized, and meanwhile, the Level B04, Level B05, Level B06 and Level B07 self-heat-insulating fly ash aerated concrete blocks can be prepared. The block products contain a large amount of micro and macro pores, and are uniform in pore size, low in heat conductivity coefficient and favorable in self-heat-insulating property.

An organic biofertilizer is prepared from the excrement and urine of animals, water hyacinth, and duckwed and / or straw (stalk) and / or saw dust through proportional mixing and fermenting. It is rich in N,P,K and other necessary elements.

The invention relates to the technical field of synthetic leather materials, in particular to an aqueous polyurethane emulsion for synthetic leather and a preparation method thereof. Environment-friendly aqueous polyurethane resins with different adaptabilities are manufactured by selecting materials with different functions, such as isocyanate, polyester polyol, a modified nano-silicon dioxide and the like by a high-molecular alloy technology. The aqueous polyurethane resin has the advantages of adequate raw material sources, reliable process and high solid content up to 30-40%, no organic solvent in a product, environmental protection and wide application range. The synthetic leather prepared by the aqueous polyurethane emulsion has the advantages of excellent abrasive resistance, high tear strength, high extensibility up to 400-700% and high tensile strength up to 20-45MPa and can replace PVC artificial leather, PU leather and natural leather; the synthetic material has the advantages of good hand feeling, comfort and good recoverability, as well as good water resistance, good abrasive resistance, good acid resistance, good alkali resistance, high temperature resistance and the like; and compared with the traditional synthetic leather, various technical performances of the synthetic material are obviously improved.

Disclosed is a rice field eel fodder which is prepared from fish meal, flour, soya bean waste, brewer's yeast grease, cereal meal, calamari marrow powder, fish oil, anti-fungus agent, oxyneurine, rice field eel multivitamin, rice field eel minerals through the steps of weighing raw material, first mixing with blenders, ultramicro disintegrating, cleaning and roguing, second mixing with blenders, low-temperature bulking with swelling machines, drying with drying-machines, spraying fish oil through a grease outside spraying system, drying with a refrigerator, sifting with grading sieves and sacking.

The present invention provides a method for producing high-carbon primary alcohols by catalytic conversion of ethanol. Even-number-carbon primary alcohols are prepared in a fixed bed by catalytic conversion of ethanol by use of transition metal-compound oxide as a catalyst prepared by co-precipitation method. Compared with the prior art, a raw material used in the method is bio-ethanol, the bio-ethanol has the advantages of being rich in reserves, environmentally friendly, green, pollution-free and the like, the prepared even-number-carbon primary alcohols include butanol, hexanol and octanol, and have the advantages of being highly-economical, wide in use ways, and the like. In addition, in the process, the catalyst is low in price, the reaction selectivity is high, stability is good, products are easy to separate, and the method has important economic value and potential industrial prospects.

The invention discloses an organic high molecular composite flocculant which is mainly used for municipally or industrially dewatering sludge and a preparation method thereof, which solve the problems of complex treatment process, agent waste, secondary pollution and the like existing in the prior art. The flocculant comprises polyacrylamide, polydimethyldiallylammonium chloride and modified starch serving as raw materials and the dry weight ratio of polyacrylamide to polydimethyldiallylammonium chloride to modified starch is 4-9:0.5-5:0.5-5, wherein tap water or de-ionized water is used as a dispersing agent; and the liquid organic high molecular composite flocculant, of which the molecular weight is 4,000,000 to 12,000,000, the ionization degree is 40 to 80 percent and the effective content of the raw material is 1 to 5 percent based on dry weight, is prepared by dispersing the materials in a reactor at the temperature of between 10 and 50 DEG C with stirring and compounding for 0.5 to 3 hours. The flocculant has the advantages of sufficient raw material sources, low cost, simple process flow, stable performance and high suspension separation speed, is reasonably prepared and quickly dissolved and is safe to operate, and convenient to use, saves the amount, obviously improves the dehydration efficiency, expands the application range, prevents fluctuation of treatment effect and reduces secondary pollution.

The invention discloses a novel steel for a non-magnetic drill collar and a preparation method thereof. The steel for non-magnetic drill collar is made from the following chemical compositions by weight: not higher than 0.03% of C, not higher than 1.0% of Si, 18-22% of Mn, not higher than 0.045% of P, not higher than 0.03% of P, 13.0-18.5% of Cr, 0.4-0.8% of Mo, 0.4-3.0% of Ni, 0.25-0.6% of N andnot higher than 0.10% of Nb. The preparation method comprises the following steps: taking scrap steel, high carbon ferrochrome, low phosphor scrap steel, ferrosilicon and the like as raw materials; primarily melting the raw materials into molten steel by an electric furnace and refining by a nitrogen and oxygen decarburization refinery furnace and an electroslag remelting furnace in three stages,pouring to form keel blocks; and cogging and stretching, cutting ends and rough turning, forging and strengthening, and the like. The steel has stronger resistance to inter-granular corrosion and completely meet Standard method for detecting sensitivity of resistance to inter-granular corrosion of austenitic stainless steel GB / T 4334-2008 and ASTM A262-08; the steel has tensile strength 10-20% greater than API standard, high impact energy up to 100J and twice more than the standard of petroleum and natural gas industries, good magnetic property, relative magnetic permeability mur controllablebelow 1.005 (standard 1.01), excellent forging and machining performances and the like, and is also applicable to machining products such as nonmagnetic stabilizer, nonmagnetic extra-heavy drill rod,nonmagnetic bearing drill rod and nonmagnetic hanging pup joint.

The invention discloses a water-borne inflation type refractory coating and a preparation method thereof. The refractory coating is prepared from the following components: 30-40% of emulsion compound, 40-58% of modified antiflaming system of a nanometer material, 0.3-0.6% of emulsifying agent, 0.2-0.4% of plasticizer, 0.4-0.8% of reinforcing agent, 0.1-0.15% of pigment filler, 0.2-0.6% of dispersing agent and the balance of water. Compared with the prior art, the water-borne inflation type refractory coating has the advantages of excellent environmental performance, simple technology, sufficient raw material resources, proper price and the like and can be widely applied.

The invention relates to a liquid fertilizer used for eggplant based on biogas slurry and its application method, which comprises the following steps by weight: 70-90 parts of biogas slurry, 10-15 parts of ammonium nitrate, 3-5 parts of dipotassium hydrogen phosphate, 5-8 parts of potassium chloride, 1-3 parts of calcium nitrate, 0.8-1.5 parts of ferrous sulphate, 0.5-0.8 parts of magnesium chloride, 0.2-0.5 parts of zinc sulfate, 0.5-1.5 parts of boric acid, 0.3-0.5 parts of manganese sulfate and 0.2-0.5 parts of ammonium molybdate. According to the invention, the biogas slurry which is obtained by anaerobic fermentation of livestock and poultry excrement and crop straw through a methane tank, the nutrient composition required by the growth of the eggplant can be scientifically added to prepare the liquid fertilizer. The liquid fertilizer has the advantages of comprehensive nutrition, sufficient raw material source, low cost and safe environmental protection. The liquid fertilizer is diluted by using clear water, and is taken as an eggplant foliar fertilizer for spraying or a nutrient solution for soilless culture, and can obviously improve the growth property of the eggplant, the incidence of disease is reduced, and the output is increased to more than 14%. The liquid fertilizer solves the problems of difficult application, difficult transportation and environmental pollution due to secondary discharge.

The invention provides a method for enhancing recovery ratio of coal-bed gas by injecting hot carbon dioxide into a coal bed, which comprises the following steps: 1) after implementing a coal-bed gas multi-branch horizontal well on the ground, draining water of a single well to reduce the pressure, and naturally generating gas until the yield is lower than the industrial gas flow standard; 2) draining water to reduce the pressure, and injecting hot carbon dioxide into the well, wherein the temperature of the injected hot carbon dioxide is 180-220 DEG C, and the injection pressure does not exceed 5 MPa; 3) shutting in the gas well for soaking; 4) draining water to reduce the pressure, and generating gas; 5) separating carbon dioxide and coal-bed gas from the generated gas; and 6) repeating the steps 2)-5) until the yield is lower than the industrial gas flow standard, and shutting in the well. The method provided by invention can effectively lower the coal-bed methane content and greatly enhance the coal-bed gas yield, thereby achieving the goal of industrialized development of coal-bed gas.

The invention relates to a metal ion modified collagen protein-polyvinyl alcohol composite fibre. On the basis containing collagen protein and polyvinyl alcohol it also contains metal ions capable of producing chelation crosslinking action. Said invention also relates the preparation method of said composite fibre, and said method includes the following steps: adding metal salt into the collagen protein-polyvinyl alcohol mixed solution to make chelation crosslinking modification to obtain spinning solution, and adopting a series of after processes so as to obtain the new type collagen protein-polyvinyl alcohol composite fibre.

The invention relates to a method for cultivating the Krause's crayfish in pool, which comprises that preparing the pool, cultivating parental crayfish, cultivating the parent crayfish by itself and cultivating the seed. The pool preparation comprises that 1, cleaning the pool; 2, embedding organic fertilizer into the bottom and stacking the fertilizer at the slope; 3, filling water; 4, planting grass; 5, arranging tubular hidden material. And the cultivation of parental crayfish comprises that 1, disinfecting the parental crayfish; 2, cultivating the parental crayfish; 3, strengthening the cultivation. The self-cultivation of parental crayfish comprises that crossing, laying eggs, and cultivating the seed. The seed cultivation comprises that 1, spraying biological organic fertilizer into the water; 2, putting artificial feed; 3, cultivating the mature parental crayfish; 4, taking off. The invention can cultivate benthic organism to feed the parental crayfish, seed or the like, to improve efficiency and reduce pollution.

This invention relates to using chitosan nanometer fabric compound membrane for the immobilized enzyme. It soluts chitosan and polyvinyl alcohol in mixed solvents of acetic acid and water to form a transparent solution, through static electricity spinning to form chitosan nanometer fabric compound membrane, and take it as immobilized enzyme carriers, through chemical bonding in ways to fix enzyme on composite membrane. The invention uses nanometer composite membrane of high specific surface area and high porosity, and chitosan which is the reactive amino biocompatibility and can be set with high-volume, high specific activity, high catalytic efficiency of chitosan nanometer fabric compound membrane immobilized enzyme.

The invention relates to a plugging technology, especially plugging technology with gravel for cracking leakage. First 2-5t gravel with the uneven grain size is poured and entered gravel with different grade blocks relative crack. Then one drill extends to pull gravel out so that gravel enters into relative crack at the greatest level. Naked drill-stem extends to the position in 20-60m to the top layer of leakage layer and cement is injected. Because gravel is resorted in crack and cement paste flowing further is hindered cement plug is formed. The technology is used to solve extra crack leakage in Luohe formation of Longdong area, especially extra malignancy leakage with leakage amount more than 130 stere per hour, still fluid face less than 150m and bridge plug leakage stoppage so on.

The invention relates to a composite additive which can reduce the carbon monoxide content of smoke gas, and relative application. Wherein, said composite additive comprises that tobacco extract, alkali metal salt, transition metal hydroxide, or metal hydroxide; the composite additive can be used in variable tobaccos as flue-cured tobacco, suncured tobacco leaf, oriental tobacco leaf, expansion pipe tobacco, etc. The inventive composite additive can be used in tobacco to reduce carbon monoxide content 1.5-3.0mg / n of smoke gas and reduce the tar content.

The invention relates to dry-mixed mortar with coal gangue, and a preparation method thereof. The dry-mixed mortar with coal gangue is characterized in that the dry-mixed mortar with coal gangue is mainly prepared by coal gangue sand, coal gangue powder, lime, gypsum, plasticizer and cement, and dry-mixed mortar with coal gangue comprises the following components according to parts by weight: 75-77.5 parts of coal gangue sand, 12.5-17.5 parts of coal gangue powder, 0-2.5 parts of lime, 1 parts of gypsum, 0-0.02 parts of plasticizer and 1-6 parts of cement; the coal gangue is calcined and activated at the temperature of 750-850 DEG C through the coal gangue sand and the coal gangue powder, then the friction separation of mechanical force is performed to the scalcined and activated coal gangue, the scalcined and activated coal gangue is sieved through a screen with 4.75 mm, and the materials sieved out are coal gangue sand and coal gangue powder. A small amount of cement is only required to be doped to obtain dry-mixed mortar materials with different intensity levels, the main raw materials are solid wastes for production in coal mine, the raw materials can be widely obtained, the cost is low, a great amount of coal gangue can be treated, therefore, the environmental pollution is reduced, and the social benefit and the economic benefit are obvious.

The invention relates to a granular feed for megalobrama amblycephala parent fish and a preparation method thereof. The granular feed for parent fish comprises the following raw material components: fish meal, squid meal, bean pulp, rapeseed meal, cottonseed meal, common flour, wheat middling, washed rice bran, fish oil, linseed oil, vitamin additive, mineral substance additive, monocalcium phosphate, 50% choline chloride, zeolite powder, granulesten powder, 50% vitamin E and potassium sorbate mildewproof agent. The preparation method comprises the following steps: coarsely smashing fish meal, the squid meal, the bean pulp, the rapeseed meal, the cottonseed meal, the common flour, the wheat middling, the rice peel and the potassium sorbate mildewproof agent into mixed coarse material, andscreening by a screen of 10-20 meshes; then, stirring and comptely mixing the mixed coarse material, fish oil, the linseed oil, the granulesten powder, 50% vitamin E, premix for fish, the vitamin E, the zeolite powder and the monocalcium phosphate to obtain mixed material; finely smashing the mixed material and screening by a screen of 40-60 meshes; and finally, pelletizing, drying, cooling and packaging. The granular feed has the functions of improving the reproductive capacity and disease-resistant capability of the megalobrama amblycephala parent fish.