96 results about "Duck feathers" patented technology

The invention relates to a leaf vegetable organic fertilizer and a preparation method thereof. The preparation method comprises the steps of grinding maize straws, wheat straws, soybean straws and sesame straws into straw particles according to a mass ratio of 3:3:2:2, pretreating the straw particles by adding water and ammonium hydroxide to obtain a mixture A; carrying out ultraviolet ray treatment on the taken duck manure and duck feathers, and then carrying out ozone treatment, thus obtaining a mixture B; adding aspergillus niger and saccharomycetes into a mixture of grinded manioc wastes, grinded kelp wastes and water, and fermenting to obtain a mixture C; mixing the mixtures A, B and C, shell powder, plant ash and sodium humate, and adding EM (Effective Microorganism) for fermentation to obtain a mixture D; and adding bone meal and charcoal dust into the mixture D, then carrying out ozone sterilization, drying, charging in a separating manner, and carrying out ultraviolet sterilization to obtain the leaf vegetable organic fertilizer. The prepared leaf vegetable organic fertilizer contains various nutritional ingredients needed by the growth of leaf vegetables, regulates soil, activates the activity of microorganisms in the soil, overcomes soil hardening, and improves the permeability of soil air.

The invention discloses a special basal fertilizer for peanut. The fertilizer comprises edible fungus residue, lees, fulvic acid, bentonite, microorganisms, ammonium carbonate, diammonium phosphate, potassium chloride, duck feather, carboxymethyl cellulose, 35% sulfuric acid, lime, zinc sulfate, boric acid, manganese sulfate, gelatin, radix euphorbiae fischerianae water extract, potassium feldspar nanopowder, and holly oil. According to the invention, acid hydrolysis on feather to generate amino acids is performed, and then chelating on secondary and trace elements is performed. Carboxymethyl cellulose increases chelating structure, facilitates effective utilization of secondary and trace elements, and avoids their ineffective release. Addition of inorganic sustained-release component bentonite and soil modifier fulvic acid modifies soil, facilitates effective release of fertilizer and sufficient absorption by crops. Biological pesticide radix euphorbiae fischerianae water extract can effectively reduce soil-borne disease and pest, is safe and harmless, and has no pollution to environment and crops. The fertilizer has the features of reasonable formula, comprehensive and balanced nutrition, good usage effect, obviously improved fertilizer utilization rate, greatly improved peanut yield and quality, and increased peanut economic benefits.

The invention discloses a foliar fertilizer for controlling various physiological diseases of crops. The foliar fertilizer is prepared by urea, calcium superphosphate, potash fertilizer, zinc sulfate, magnesium sulfate, borax, ferrous sulfate, duck feather, carboxymethylcellulose, 35% of sulfuric acid, lime, celangulin, sanguinarine, Azadirachtin and other materials. The foliar fertilizer has full nutrition, high concentration and obvious fertilizer efficiency. The plants grow vigorously after being applied with the foliar fertilizer, the yield of the crops is obviously increased, the quality is better, and the disease and lodging resistance is greatly improved. In addition, the safe and pollution-free botanical pesticides contained such as celangulin, sanguinarine and Azadirachtin can effectively reduce the insect and diseases of the crops, and do not pollute the environment and crops. The foliar fertilizer can be used for controlling the root rot of sweet potato, heart rot of maize, withered tip of maize leaf, maize stripe mosaic disease, cotton red leaf blight, cotton leaf cast, red leaf and yellow leaf cast of mint, yellow leaf dwarf of beans, rice red blight and the like, and the effect is remarkable.

The invention relates to a special man-made feather for a badminton, which consists of a feather stem (11) and a pinna (12). The feather stem (11) is a structure composed by an inner core (21) and an outer wrapping layer (22) which wraps the inner core, wherein the inner core (21) contains resin base composite materials reinforced by fibers, the pinna (12) is made independently and connected with the feather stem (11) through technical methods of adhesion, thermocompression bond or plastics welding and the like, or the pinna (12) and the inner core (21) are connected together in advance through technical methods of adhesion, thermocompression bond or plastics welding and the like, and then the periphery of the inner core (21) connected with the pinna (12) is coated with the outer wrapping layer (22). Thin bars of resin base composite materials reinforced by fibers, which are made through pultrusion technology, are most applicable to making the inner core; and the outer wrapping layer is made of plastic materials or foam plastic materials. When necessary, at least one reinforcing component with the function of reinforcing connection can be arranged between the feather stem (11) and the pinna (12). The man-made feather is very light in weight and very high in strength, and each indicator fundamentally achieves or exceeds goose and duck feathers. The invention also relates to the badminton made of the man-make feather.

The invention discloses a special base fertilizer for late rice. The special base fertilizer is prepared from the components of Chinese medicine residues, decomposed coal, attapulgite, ghem, urea, calcium superphosphate, potassium chloride, duck feather, carboxymethyl cellulose, 30% sulfuric acid, lime, zinc sulfate, copper sulfate, boric acid, buddleia powder, gelatin, nanometer calcium carbonate powder and wintergreen oil according to a certain weight ratio. According to the special base fertilizer, the feather is subjected to acid hydrolysis to generate amino acid, then mid-elements and trace elements are subjected to chelation, and the carboxymethy cellulose can be used for enhancing the chelation structures of the mid-elements and the trace elements, thereby being beneficial to the effective utilization of the mid-elements and the trace elements, and reducing the ineffective release of the mid-elements and the trace elements; according to the formula disclosed by the invention, the attapulgite serving as an inorganic controlled-release composition and the decomposed coal serving as a soil improvement composition can be used for improving soil, thus being beneficial to the effective release of the fertilizer and the adequate absorption of crops; and the buddleia powder serving as a biologic insecticide composition can effectively reduce plant diseases and insect pests on the soil, is safe and pollution-free and has on pollution on an environment and the crops. The special base fertilizer has the reasonable formula and a good use effect, is relatively comprehensive and balanced in nutrition, and can obviously improve the fertilizer utilization efficiency and greatly improve the yield and the quality of the late rise so as to improve the economic benefits of the late rice.

The invention discloses a preparation method and an application method of a low-temperature low-chromium dyeing auxiliary agent of an acidic medium dye for wool. The preparation method comprises the steps that: 1, protein powder is prepared by using waste duck feather, wherein (1) the duck feather is subjected to pretreatment; (2) the suck feather is subjected to a dissolving treatment; and (3) duck feather protein powder is prepared; 2, a sodium hydroxide solution is prepared, and the sodium hydroxide solution is used for dissolving the duck feather protein powder; 3, sodium hydroxide, triethanolamine, and epichlorohydrin are adopted for preparing a cationic quaternary ammonium salt cross-linking modification agent WLS; and 4, the low-temperature low-chromium dyeing auxiliary agent for the acidic medium dye is prepared. The auxiliary agent can be used as a wool modification agent. After wool fibers are modified, wool fiber dyeing properties of acidic medium dyes are greatly improved, dye uptake percentage rate can be improved, mordant absorption performance of the dye is improved, chromium pollution in dye wastewater is reduced, wool fiber low-temperature low-chromium dyeing is realized, and waste duck feather keratin is effectively utilized. After modification, the wearability of wool products is improved.

A nylon 11 composite system has significantly improved flexural modulus while keeping or even increasing the impact strength. This composite system may comprise a nylon 11 / filter / modifier. The flexural modulus and impact strength increases over 150% and 80%, respectively compared with neat nylon 11. The “ball” portion of badminton shuttlecocks made by this type of composite may more closely duplicate the flight capabilities of natural duck feather shuttlecocks than nylon 11. The nylon 11 / filler / modifier ay allow for a very close duplication of the restoration effects of shuttlecocks made from feathers therefore providing a product which can be a one for one aerodynamic performance substitution for the natural product (feathers).

The invention discloses an antimicrobial deodorizing down composite fiber which is prepared from the following raw materials in parts by weight: 10-15 parts of eiderdown, 15-20 parts of duck feather, 7-9 parts of cotton fiber, 6-10 parts of terylen fiber, 2.3-4.2 parts of polyvinyl alcohol nano fiber, 7-9 parts of vinylon fiber, 1-3 parts of liquid paraffin, 3-5 parts of argil, 1.2-3.1 parts of viscose fiber, 2-4 parts of Chinese yam, 1-3 parts of radix scutellariae, 0.4-0.7 part of ammonium polyphosphate, 0.02-0.04 part of sodium pentadecyl sulfonate, 0.6-0.9 part of polyethyleneimine, 0.5-0.8 part of tartaric acid, 120-130 parts of 1-butyl-3-methylimidazole acetate, 100-110 parts of dibutyl 1-butyl-3- methylimidazole phosphate, 2-4 parts of assistant and a right amount of water. The antimicrobial deodorizing down composite fiber can effectively prevent the down from mildewing and moth bite in the storage, transportation and use process for a long time, enables the corresponding product to have obvious antimicrobial and deodorizing functions, has the flame-retardant action, and has wide application prospects.

A feathered skirt that fits over hunting duck decoys to create a more realistic looking hunting duck decoy. The feathered skirt includes a plastic material wrap around skirt having simulated and / or real duck feathers. The plastic skirt is a thin plastic waterproof material which wraps around a duck decoy. The simulated and / or real duck feathers on the skirt resemble either a male drake or female hen of the mallard species.

The invention discloses a duck feather cleaning device used for poultry processing. The duck feather cleaning device used for poultry processing comprises a base plate and an L-shaped support, whereina cylinder is vertically and fixedly arranged at the bottom in the L-shaped support, a horizontal extension board is fixedly arranged on the L-shaped support, a telescopic rod of the cylinder slidably runs through the horizontal extension board, a vertical plate is vertically and fixedly arranged on the base plate, the bottom of the net bucket is of a wedge surface structure, a connecting rod ishorizontally and fixedly arranged at the bottom of a stirring shaft, and a first against pressure rod and a second against pressure rod which are against and connected with the inner bottom surface ofthe net bucket are respectively and fixedly arranged at the two ends of the connecting rod. The duck feather cleaning device used for the poultry processing has the advantages that duck feather cleaning effect is good, duck feathers are easy to take, rotary cleaning on the duck feathers is realized through rotation of stirring blades, dispersion of the duck feathers is promoted, cleaning effect is enhanced, the connecting rod drives the first against pressure rod and the second against pressure rod to be against and press the net bucket, the net bucket shakes up and down under elastic actionof a telescopic spring, shaking and dispersion of the duck feathers inside the net bucket are promoted, the duck feathers inside the net bucket are fully contacted with water, and duck feather cleaning effect is promoted.

The invention discloses a duck depilation process flow and a production line thereof. The production line comprises a conveying positioning apparatus, which includes two vertically symmetrical synchronous conveying belts. The upper conveying belt is provided with rotatable racks at regular intervals. The lower conveying belt is provided with rotatable duck head fixation racks corresponding to the rotatable racks. A duck hanging tool, a depilation tool and a duck unloading tool are arranged in order along the conveying direction of the conveying positioning apparatus. By the rotatable rack and the rotatable duck head fixation racks for locating the duck heads and hanging ducks upside down, by three depilation apparatuses for removing duck feather, the effect of depilation is ensured, while the duck's heads are prevented from hauling in a turntable which can result in twisted mouths, and the production line helps to greatly reduce the defective rate of duck heads and enhance the economic value.

The invention discloses a fertilizer special for rice. The fertilizer is prepared from, by weight, 11-13 parts of ammonium sulfate, 3-5 parts of ferric sulfate, 14-16 parts of potassium nitrate, 9-11 parts of calcium superphosphate, 7-9 parts of potassium chloride, 6-8 parts of horse dung, 7-9 parts of fish maw intestines, 3-5 parts of bone powder, 2-4 parts of duck feather, 6-8 parts of dammara leaves, 3-5 parts of oriental arborvitae leaves, 4-6 parts of mangnolia officinalis bark, 0.4-0.6 part of microbial strains and 0.3-0.5 part of a composite coated cementing agent. The dammara leaves, oriental arborvitae leaves and mangnolia officinalis bark achieve a quite good bacterium and insect killing function after being stir-fried, and rice planthopper insect attack can be effectively prevented; the composite coated cementing agent conducts coating processing on the fertilizer, and a good slow release effect can be achieved; multiple microbial strains are added, and after the fertilizer is applied to soil, the formed beneficial microbial strain group can effectively improve the soil structure, improve soil fertility and effectively prevent and treat bakanae disease.

The invention provides a method for preparing antibacterial deodorant high-filling-power down feathers. The method comprises the following steps: (1) performing color separation, screening and impurity removal on goose or duck feathers; (2) performing aerosol spray cleaning on the pretreated feathers, and drying in vacuum; (3) grinding the cleaned feathers by a grinder, adding composite alkali liquor at the temperature of 60-80 DEG C for treating for 2-4 hours, regulating the pH to be 7, filtering while hot to obtain grey feathers, washing with water and drying; (4) adding the grey feathers and a bleaching and dyeing liquid into a bleaching and dyeing cell for bleaching and dyeing, and soaking in a silver-loaded nano antibacterial agent aqueous solution. According to the method disclosed by the invention, the goose or duck feathers serve as a raw material for producing the down feathers, the raw material source is wide, the production cost is reduced, and the prepared down feathers are low in wing stem content and high in filling power and meet the high-quality requirement of consumers.

The invention discloses a piglet fattening feed and a production method thereof, the piglet fattening feed comprises the following materials by weight: 250-300 parts of soybean meal, 200-250 parts of flour, 200-230 parts of malt powder, 150-200 parts of duck feather powder, 70-80 parts of mushroom powder, 50-60 parts of squid paste, 40-50 parts of buckwheat powder, 20-30 parts of whole milk powder, 5-6 parts of tremella, 3-4 parts of lactose, 20-25 parts of fresh celery, 25-30 parts of cucumber, 2-3 parts of soy sauce, 1-2 parts of vinegar, 2-3 parts of semen raphani, 1-2 parts of rubiaceae borreria stricta, 2-3 parts of astragalus membranaceus, 1-2 parts of aloe leaf, 1-2 parts of asiatic bilberry, 20-30 parts of zea Mexicana, 10-20 parts of reed leaves, 110-20 parts of fresh sugarcane leaves, 20-30 parts of straw bran, 2-3 parts of leaf mold, 3-4 parts of talcum powder, 15-30 parts of an attractant and proper amount of water. The piglet fattening feed has the features of aromatic odor, crispy taste, rich nutrient, and the like, piglets fed by the feed are high in appetite, fast in growth, and short in growth cycle, and the feed enhances the piglet disease resistance, and improves the benefits of pig breeding.

The invention discloses a duck feather drying device for poultry processing. The duck feather drying device comprises an operation frame; a machine box is fixedly installed at the bottom of the interior of the operation frame, and a drying motor is fixedly installed in the machine box; a left hanging bracket and a right hanging bracket are vertically and fixedly installed at the top of the interior of the operation frame; the left hanging bracket is horizontally and rotationally provided with a limiting sleeve; the surfaces of a fourth rotary shaft and a first rotary are fixedly provided witha first driven belt wheel and a second driven belt wheel in a sleeved mode correspondingly; and the surfaces of a third rotary shaft and a second rotary are fixedly provided with a first driving beltwheel and a second driving belt wheel in a sleeved mode correspondingly. According to the duck feather drying device, air spraying heads spray hot air downwards, and fan blades blow air upwards, so that duck feather in a drying net cage is dried; meanwhile, the duck feather is rotationally scattered through rotation of a banister brush, and volatilization of moisture in the duck feather is accelerated; the rotation directions of the banister brush and the drying net cage are reverse, shaking scattering of the duck feather in the drying net cage is facilitated, airflow in the drying net cage isstrengthened, and the quick drying effect of the duck feather is improved.

The invention discloses a clothing processing technology. The technology is characterized by comprising the following steps of (a) preparation of surface layer fabric; (b) preparation of interlayer down feather, wherein dehydrated duck feather is placed in a fragrant dye liquid for soaking; (c) preparation of inner layer fabric, wherein moxa fiber strips, wula sedge fiber strips, acorus calamus fiber strips and cotton fiber strips are combined into a blended yarn material for preparing the inner layer fabric; (d) shearing and sewing; (e) examination of finished clothing. The clothing manufactured according to the process is not only antibacterial and great in odor resistance but also has a fragrance effect.

The invention relates to a feather removal machine used in a duck feather removal streamline. The machine is characterized in that two sides of an A-shaped frame are respectively transversely provided with three groups of cabinets, groups of feather removal discs are transversely arranged in each of the cabinets, each of the groups of feather removal discs is driven by a motor, the upper end of the A-shaped frame and the cabinets are suspended by a suspension arm through booms, and the booms can slide to the left and right on the suspension arm. The shaft roller of each of the feather removal discs is supported in a shaft sleeve through a bearing, and a plurality of feather removal rods are arranged at one end of the shaft roller. By adopting the above arrangement, ducks suspending on the streamline enter a space between each two of the cabinets, so the rapid feather removal of the ducks is realized. The machine has a high feather removal efficiency and saves the labor force.

The invention discloses a harmless processing method of sesame duck farm wastes. The processing method comprises steps: waste collecting, duck feather processing, duck manure and urine processing, duck corpse processing, earthworm culturing, and reasonable utilizing. The pollution caused by a large amount of duck feathers, duck manure, duck urine, and corpses of irregularly dead ducks in a large sesame duck farm is eliminated by the provided method; at the same time, the wastes are fully utilized; the environment is protected; the virtuous cycle is created; moreover, the cost is low, and the method is safe and reliable. The wastes are processed, at the same time, great benefits are generated for the farmers; farmers are pleasure to process the wastes; the wastes are biologically fermentedand decomposed by earthworms, the processing is timely and efficient, secondary pollution is avoided, ecological circle is formed, no pollution or residue is generated, and the method is feasible andenvironmentally friendly.

The invention discloses inner filler for a down quilt. The inner filler comprises, by weight, 5-10 parts of goose feather, 5-10 parts of duck feather, 5-10 parts of chicken feather, 1-3 parts of wool, 1-3 parts of camel's hair, 40-60 parts of polyester fiber, 20-30 parts of cotton fiber, 1-3 parts of bamboo fiber, 1-3 parts of silk, 1-5 parts of antioxidant, 2-5 parts of drying agent and 3-6 parts of auxiliary material. The inner filler made of the various raw materials has the advantages that the breathability of down is achieved while the close-fitting comfortableness of quilts is achieved, investment is lowered, the weight of the quilt is increased, and effects of close fitting and warm keeping are achieved.

The invention provides a duck feather treatment device. The device comprises a rack for providing a fixed mounting position and support, a cleaning device mounted on the rack and used for cleaning duck feather, a drying device mounted below the cleaning device and used for drying the duck feather, a sorting device installed on the side, away from the cleaning device, of the drying device and usedfor sorting the duck feather, and a vacuum adsorption device installed on the side, away from the drying device, of the sorting device and used for carrying out vacuum adsorption operation. Compared with the prior art, the duck feather treatment device shortens the duck feather processing time and improves the duck feather processing efficiency.

The invention discloses multifunctional duck feather processing equipment. The equipment comprises a bottom plate, and further comprises a rotating motor arranged in the middle of the bottom plate. The rotating motor is connected with a mounting column, a plurality of mounting plates which are distributed circumferentially around the rotating motor are installed on the mounting column, hydraulic cylinders which are symmetrically distributed in the length direction of the mounting plates are mounted on the mounting plates, and the hydraulic cylinders are connected with fixing frames. Each fixing frame is connected with a cleaning frame for storing duck feathers and a power mechanism which is matched with the cleaning frame to drive the cleaning frame to rotate and installed on the fixing frame. The bottom plate is provided with cleaning mechanisms which are circumferentially distributed around the rotating motor, drying mechanisms assisting in duck feather cleaning, cooling mechanisms assisting in duck feather cooling, and collecting mechanisms used for collecting cleaned duck feathers. The bottom plate is further provided with sliding grooves matched with the mounting plates. By means of the cooperation of the rotating motor, the hydraulic cylinders, the cleaning mechanisms, the drying mechanisms and the cooling mechanisms, the integrated operation of cleaning, drying and cooling is achieved.

The invention discloses a method for producing spicy duck wing roots. The method includes using frozen or fresh duck wing roots from non-epizootic areas as raw materials; washing and removing residual duck feathers and sundries; rolling and rubbing the washed duck wing roots for 2 h and statically pickling the duck wing roots at the temperature of 0-4 DEG C for 24 h; wrapping the statically pickled duck wing roots with flour, then deeply frying the duck wing roots at the temperature of 160+ / -5 DEG C for 3-5 min, fishing out the duck wing roots and cooling the duck wing roots; placing the deeply fried duck wing roots into plates and then quickly freezing the deeply fried duck wing roots in a cold storage at the temperature ranging from -30 DEG C to -32 DEG C for 3 h; bagging the quickly frozen duck wing roots, sealing bags, printing codes on the bags and carrying out freezing preservation on the duck wing roots at the temperature of -18 DEG C. The method has the advantages that degradation effects of papain on tendons of the duck wing roots are sufficiently utilized, and accordingly the difficult problems of poor flavor and difficulty in chewing finished products due to the fact that duck wing roots are high in tendon and connective tissue content can be solved; partial sodium chloride is replaced by potassium chloride, accordingly, the salt content can be lowered, dietary nutrition can be balanced, and the spicy duck wing roots have good flavor and taste and are ideal catering food.

The invention discloses a growing and fattening pig feed additive. The additive is prepared from the following materials: carrot, lettuce, tomato, wild roxburgh rose, dried tangerine or orange peel, hawthorn, rhubarb, algae, sweet potato, pumpkin, fish scale, fish skin, fish oil, hair, cornstalk, bagasse and yeast, wherein the hair is one or more types of chicken feather, drake feather and goose feather. The pig breeding and fattening feed additive provides enough nutritional energy for growing and fattening pigs, so as to balance nourishment, remarkably improve the body immunocompetence of the growing and fattening pigs, reduce the prevalence rate of the growing and fattening pigs, increase gastrointestinal beneficial bacteria, regulate gastrointestinal functions, improve gastrointestinal absorptivity, enhance appetites of the growing and fattening pigs, and promote healthy and rapid growth of the growing and fattening pigs. Therefore, the growing and fattening pigs with relatively high lean meat percentage can be obtained conveniently.

The invention relates to a full-automatic duck feather removing system and a duck feather removing method. The duck feather removing system comprises a vertical type feather removing machine, a horizontal type feather removing machine and a wax dipping device, wherein the vertical type feather removing machine is used for removing feathers of a back and a neck, the horizontal type feather removing machine is used for removing feathers of a body, and the wax dipping device is used for removing residual small feathers; the vertical type feather removing machine comprises a supporting box body, a first group of feather removing devices and a second group of feather removing devices; the first group of feather removing devices and the second group of feather removing devices are arranged on the left side and the right side in the supporting box body and face the front and the back of a duck respectively during feather removal; a plurality of feather removing brushes are movably connected to the inner wall of the horizontal type feather removing machine; and the wax dipping device comprises a head rising device used for fixing a duck head, a transmission rail used for transmitting the duck and a wax pool. By combining with the body structure features of the duck and through division and cooperation of the vertical type feather removing machine, the horizontal type feather removing machine and the wax dipping device, the full-automatic duck feather removing system provided by the invention automatically removes the duck feathers to the maximum and is capable of lowering the labor cost to the minimum and greatly improving the production efficiency of a duck making workshop.

The invention belongs to the field of writing brush processing, and in particular relates to a production method of a writing brush, comprising the following steps: 1) modifying nylon hair to obtain modified nylon hair; 2) washing rabbit hair, duck hair and pig hair with soap respectively Soak in water for 50-75 minutes, then soak in starch solution for 20-35 minutes, take it out and soak in acetic acid for 3-5 minutes; 3) Use the treated rabbit hair, duck hair, pig hair and modified nylon hair The combing machine mixes evenly in proportion, and picks a bunch of the mixed pen core hair when making the pen core, spreads the bunch of hair on a flat plate, after grooming, and then rolls up from one end to form a conical pen tip. Put the tied nib on the pen tube and connect it with glue. Through the improved nylon hair technology, this brush is more elastic, more durable, and has a long storage time; coupled with the elasticity of animal hair itself, this brush is vigorous and powerful in use, soft and hard, and suitable for a wide range of people.

A preparation method of marinated duck heads comprises the steps as follows: 1) slaughtering; 2) feather plucking; 3) dissection; 4) pickling; and 5) marinating. The preparation method of the marinated duck heads is ideal, the marinated duck heads taste good, cleaning is facilitated, and the marinated duck heads are flavored more easily during marinating. During slaughtering in the step 1), a little cooking wine is poured into ducks before the ducks are slaughtered, and pores of the ducks can relax in a while, so that duck feather can be plucked very easily during feather plucking and cleaningis facilitated; through the pickling in the step 4), the duck heads are flavored in advance, thus, the duck heads are flavored more easily during the marinating in the step 5), and the marinating time is shortened; and special red marinade is adopted for marinating, and thus, the marinated duck heads have unique fragrance, ruddy color, mellow taste and good appearance.

The invention discloses an antifreezing amino acid foliage fertilizer and a preparation method thereof. The antifreezing amino acid foliage fertilizer is prepared from the following raw materials in parts by weight: 20-35 parts of chicken feather, 15-20 parts of pig hair, 20-30 parts of duck feather, 160-200 parts of 6 mol / L dilute hydrochloric acid solution, 20-55 parts of saturated ammonia water, 5-10 parts of ethanol, 6-10 parts of ammonium molybdate, 25-35 parts of urea, 18-25 parts of potassium sulfate, 6-12 parts of ammonium humate, 12-18 parts of calcium monohydrogenphosphate, 4-6 parts of zinc sulfate, 4-5 parts of activator and a proper amount of water. The preparation method comprises the following steps: treating poultry feather with hydrochloric acid with a certain concentration to obtain a coarse mixed solution of amino acids, saccharides, minerals and the like, mixing with the chemical components of the inorganic nutrients under certain conditions, and chelating to obtain the foliage fertilizer. In order to improve the properties, the ethanol and special activator are added, so that the foliage fertilizer has the advantages of high absorption speed, high efficiency and the like, and the crop has higher capacities in the aspects of freezing damage tolerance, pest damage tolerance and other stress tolerances.

The invention discloses a mulberry fertilizer prepared from fowl feather and a preparing method thereof. The mulberry fertilizer is prepared from, by weight, chicken and duck feather, pig hair, dried humic acid, 50 wt% thin H2SO4, dried crop straw, coal ash, microelements, urea, profitable soil microbial agent, microorganism coating agent and a proper amount of water. Specifically, fowl feather is decomposed and transformed into crude amino acid compositions through hydrolysis of dilute sulphuric acid, so that feather waste is well utilized, pollution is reduced, and decomposed amino acid has moderate purity and can promote absorption of microelements when used for compounding of microelements.

The invention relates to a device for cleaning and drying duck feather, including a bottom plate. A cleaning tank is mounted on the bottom plate. A mount frame fixed on the bottom plate is arranged above the cleaning tank, the mounting frame is provided with hydraulic cylinders symmetrically distributed along the length direction of the bottom plate. The hydraulic cylinder is connected with a fixed frame, wherein the fixed frame is connected with a cleaning frame for storing the duck feather, and a power mechanism which is matched with the cleaning frame to drive the cleaning frame for rotarycleaning. A plurality of drying fans distributed parallel along the length direction of the bottom plate are installed on the mounting frame, and a waste water collection mechanism matched with the cleaning box is also installed on the bottom plate. The invention enlarges the contact area between the duck feather and a cleaning liquid by rotating cleaning in the cleaning box through the cooperation of the power mechanism and the cleaning frame, so that the impurities of the duck feather are completely removed and the quality of the duck feather is guaranteed; and the duck feather is fully contacted with the high-temperature gas by the cooperation of the drying fan and the power mechanism and the cleaning frame, so that the duck feather is completely dehydrated.

The invention relates to a method for making a hot oil duck, and the method comprises the following steps of: selecting and killing a wild duct, removing feathers cleanly, removing internal organs and pickling for 5-6 hours; cleaning and putting a wok on a cooking range, pouring cooked vegetable oil into the wok to heat, breaking rock sugar and putting the broken rock sugar into the wok, frying until the rock sugar is completely molten and is brownish red, instantly doping water and mixing uniformly; mixing pepper, anise, cinnamon, caraway seed, clove, amomum tsao-ko, fructus amomi, amomum globosum loureiro and liquorice and wrapping the mixture into a spice bag by utilizing a clean gauze; mixing a delicious soup in a saucepan, adding refined salt, cooking wine, caramel sauce, ginger slices, scallion and the spice bag, boiling with big fire, and boiling with soft fire; putting the pickled duck; and fishing out the braised duck, spraying boiled oil until the duck skin is crispy and brownish red, then fishing out the braised duck and brushing with malt syrup. The method for making the hot oil duck is simple and easy in processes, and the made hot oil duck has not only an appetizing color but also delicious taste, is fat but not greasy, and has lasting flavor.