126 results about "Yellow Nutgrass" patented technology

The invention discloses a sieve plate type cyperus esculentus harvester, relating to an agricultural machine for harvesting cyperus esculentus. The sieve plate type cyperus esculentus harvester comprises a rotary tillage rake, a shoveling plate, a sieve plate type sieve-conveyer belt, a sieve cage, a conveyer belt, a collecting box, a framework, wheels and a power transmission assembly, wherein the shoveling plate is arranged at the front part below the framework; the sieve plate type sieve-conveyer belt is mounted on the framework; the sieve cage is arranged above the back part of the framework; the collecting box is mounted above the sieve plate type sieve-conveyer belt; the conveyer belt is mounted above the collecting box; the rotary tillage rake is mounted in front of the shoveling plate; the sieve plate type sieve-conveyer belt comprises a driving wheel, a driven wheel, two belts, slender shafts and sieve plates; and two belts are mounted at both sides of the driving wheel and the driven wheel, the multiple slender shafts are evenly mounted between the two belts, the sieve plates of which the quantity is equivalent to the quantity of the slender shafts are laid on the slender shafts, and one side of each sieve plate is hinged with the corresponding slender shaft. By using the rotary tillage rake and the sieve plate type sieve-conveyer belt, the working efficiency of the harvester is greatly improved and the energy consumption is lowered.

The invention relates to agricultural product deep processing, and relates to a production technology for continuously extracting starch, oil and sugar from cyperus esculentus. The method comprises the steps that: raw materials are crushed and grinded into a first slurry; water with a volume two times than that of the residue from the previous step is added to the residue, and a second grinding step is carried out; an obtained slurry is separated such that a second slurry is separated from the residue; the first slurry and the second slurry are mixed for extracting starch and oil, and the residue is used for extracting sugar; oil is extracted through an aqueous enzymatic method; the obtained oil is layered through centrifuging and is enzyme-killed, such that upper layer oil and cyperus esculentus crude oil are obtained; sugar is extracted; extracted sugar is in a form of transparent light yellow syrup, and serves as a raw slurry for the preparations of various sugars.

The invention provides a double-cage harvester for cyperus esculentus, referring to a farm machine for harvesting the cyperus esculentus, comprising a depth setting wheel, a rotary tillage rake, a clay shoveling plate, a conveying belt, a distributing rotation wheel, a sieving cage, a collecting box, a sieving cage bracket, a frame, wheels and a gear box, wherein the depth setting wheel, the rotary tillage rake and the clay shoveling plate are arranged below the front part of the frame; the conveying belt is arranged on the frame, and the ends of the conveying belt lead to the sieving cage which is arranged at the rear part of the frame; the collecting box is arranged at the rear part of the sieving cage; the sieving cage is divided into two layers, namely the inner sieving cage and the outer sieving cage; the inner sieving cage is arranged in the outer sieving cage and fixed by the bracket; the central shaft of the sieving cage passes through the middle of the inner sieving cage so as to be fixed by the bracket; the rear end in the outer sieving cage is provided with a digging plate; the rear end of the conveying belt is extended into the inner sieving cage and provided with the distributing rotation wheel; the distributing rotation wheel is connected with the rear end wheel of the conveying belt through a belt or chain so as to obtain power. The two-grade sieving action of the dual-layer sieving cage can effectively separate the clay.

The invention discloses a method for extracting Cyperus esculentus oil by the combination of aqueous enzymatic extraction and freeze-thaw, selecting plump Cyperus esculentus without insect diseases, removing impurities on the surface by washing with the use of water, and drying water on the surface; crushing, weighing 500kg of a Cyperus esculentus powder, adding a mixed buffer solution of sodium carbonate and sodium bicarbonate at the solid-liquid ratio of 1:7 (m / v), adjusting pH value to 7, immersing for 1 hour at the temperature of 50 DEG C, killing enzyme for 10 min at the temperature of 90 DEG C; adopting a compound enzyme of alkali protease and cellulase mixed at the mass ratio of 2:1 (m / m) while the solid-liquid ratio is 1:6, the enzymatic hydrolysis time is 6 hours, the enzyme addition is 2.5% and the enzymatic hydrolysis temperature is 70 DEG C; placing the enzymatic hydrolysis solution into an ultralow temperature refrigerator at the temperature of minus 30 DEG C for 30 min after enzymatic hydrolysis, followed by thawing at room temperature; centrifuging for 20 min at the rotating speed of 4000r / min, carrying out secondary centrifugation, and separating crude oil to obtain the product. According to the invention, the oil extraction rate is raised, and good grease quality is also maintained.

The invention discloses a large-scale ecological grazing pig cultivation method, and belongs to the technical field of animal husbandry cultivation. A female miniature pig is hybridized with a female Taihu pig; a hybridized first generation young sow is selected as a female parent, and hybridized with two male black pigs as male parents; and the hybridized second generation is ecologically cultivated. A luxuriant grass is taken as a sports ground type grazing district; renascent herbs are mixed sown on the grass; various pastures are mixed sown on the grass every year; an ecological hog house is built; strains, fermented grass and natural nutrition healthcare pills or the like are prepared; when the pigs are cultivated, one or more of black wheat, cyperus esculentus, prepared soybean, endive, alfalfa, fermented grass meal and natural nutrition healthcare sugared pills are fed to the pigs in the hog house in variable interval; after the pigs freely eat, the pigs are driven to the sports yard to graze in a short time. Various pastures are planted on the sports yard until the sports grass per Mu can allow more than 100 pigs to be cultivated, and thus the large-scale ecological cultivation is achieved.

The invention discloses a method for preparing Cyperus esculentus edible oil. The method comprises the following steps of: 1) winnowing to remove residues and mud; 2) spraying and cleaning a Cyperus esculentus material; 3) air drying the water on the surface of the material; 4) cooking at the temperature of between 105 and 115DEG C for 15 to 25 minutes until the flesh of the Cyperus esculentus is light yellow; 5) grinding the cooked Cyperus esculentus material into particles with the particle size of 3-9mm; 6) squeezing the ground material or separating oil from the Cyperus esculentus by using a leaching method; 7) filtering crude oil, keeping the temperature between 60 and 70DEG C, and conveying to a temporary storage tank; 8) reducing the temperature of the crude oil to 20DEG C, and adding a filter aid; and 9) reducing the temperature of the crude oil to 5DEG C, standing for 48 hours, filtering, and conveying to a finished product tank. The edible oil prepared by the method can supplement microelements such as calcium, magnesium and selenium which are required by human bodies, contains high content of comprehensive oleic acid, can reduce fat deposition in blood vessels and has an obvious effect of preventing cardiovascular and cerebrovascular diseases.

The invention relates to products which are fermented with probiotic lactic bacteria from milk or a shake comprising almonds (Prunus Amygdalus, var. dulcis), other non-vegetable dried fruits or orgeat obtained from chufa tubers (Cyperus esculentus). The inventive products deliver the nutritional benefits of the dried fruits, the orgeat and the added probiotic bacteria, with a unique flavour and a consistency, acidity and aroma similar to yoghurt. Optionally, if the sugar content is kept low, the products have astringent and intestinal flora re-establishment properties. In addition, the products can be combined with additives and flavours and enriched with minerals, vitamins, fibre or oligosaccharides having a bifidogenic effect, etc. or pasteurised following fermentation. In almost all cases, the products form an excellent nutritional supplement for adolescents, athletes or elderly persons.

The invention relates to a sunscreen composition, a sunscreen product and a preparation method and application thereof. The sunscreen composition is composed of the following components by weight: 0.1-8.0 parts of ximenia seed oil, 0.1-10.0 parts of calophyllum tacamahaca seed oil, 0.1-12.0 parts of cyperus esculentus root oil and 0.1-8.0 parts of carapa guaianensis seed oil. The sunscreen composition has natural plant constituents, has the advantages of refreshing and rapid absorption, has good dispersibility, strong stability, good spreadability, good sunscreen effect, high SPF value, waterresistance and moisturizing capability, is easy to spread evenly on the skin surface and not prone to balling, and achieves the effect of being anti-inflammatory, scavenging free radicals and resisting erythema.

The invention discloses a production method of cyperus esculentus oil and cyperus esculentus flour. Water-soluble characteristics of water-soluble components of cyperus esculentus and properties that starch can form starch milk dispersing in water, protein is soluble in water under alkaline conditions and can be enzymed and the cyperus esculentus oil exists in cells and can break through walls to be released are utilized, the cyperus esculentus is smashed and soaked with water prior to being ground into thick liquid, protein, pectin and cellulose are sequentially enzymed to break through the walls to release the oil, an oil-water mixture is obtained after mixed materials are separated through pulp residues, and the oil-water mixture is subjected to oil-water separation to obtain cyperus esculentus crude oil and cyperus esculentus extract; the cyperus esculentus crude oil is dried and filtered to obtain the cyperus esculentus oil; the cyperus esculentus extract is subjected to heating and gelatinizing into starch, homogenizing, concentrating and spray drying to obtain the cyperus esculentus flour. The method is easy to implement, convenient in operation, low in cost, free from organic solvents, free from refining of oil, high in utilization rate of raw materials, sufficient in extraction of active ingredients and nutrient substances, good in solubility property, remarkable in healthcare function, good in taste and mechanized.

The invention provides a cyperus esculentus harvester and a cyperus esculentus harvesting method, and belongs to the field of agricultural machinery. The cyperus esculentus harvester mainly comprises a frame, a vibrating shovel blade, a sandy soil separator, a scraper conveyer, a vibrating screen and a power system. The vibrating shovel blade is used for shoveling cyperus esculentus plants in the soil and then conveying the cyperus esculentus plants to the sandy soil separator for primary separation, and finally the cyperus esculentus plants are conveyed into the vibrating screen for vibrating screening through the scraper conveyer. Through vibration generated by rotation of an eccentric wheel, friction between the vibrating shovel blade and the soil can be reduced, digging efficiency can be increased, and power consumption during harvesting can be reduced. The cyperus esculentus plants are conveyed into the sandy soil separator after being dug out from the soil by the vibrating shovel blade, the cyperus esculentus plants and cyperus esculentus fruits can be separated primarily by the sandy soil separator and then conveyed into the vibrating screen for vibrating screening through the scraper conveyer, and finally the cyperus esculentus fruits can be obtained by separating the cyperus esculentus fruits from the cyperus esculentus plants.

The invention relates to a method for preparing cyperus esculentus beverage, which is characterized by comprising the following steps of: pulverizing pretreated cyperus esculentus; adding water and grinding the cyperus esculentu into slurry; carrying out separation deslagging treatment on the slurry, heating to 90-115 DEG C, curing and sterilizing; and adding sugar and cooling. The invention has the advantages of mature process, simple operation, less investment and obvious effect and can produce pure nature green beverage. In addition, the beverage produced according to the method of the invention can be produced by the prior mature art, and the operation is convenient and simple.

The invention discloses a cyperus esculentus plantation method which comprises land selection and soil working, seed selection, planting, intertill earthing, irrigation and harvesting. Seed soaking and germination acceleration help germination and earlier seedling emergence of the cyperus esculentus, the total plantation period of the cyperus esculentus is shortened, plantation and management conditions are further controlled, the output and quality of the cyperus esculentus are stable under the proper plantation and management conditions, the high-quality high-output cyperus esculentus can beharvested, and the mu output of dry cyperus esculentus can be kept over 1000kg.

The invention provides a cyperus esculentus harvester and a threshing device, and belongs to the field of agricultural machines. The threshing device mainly comprises a roller, a beating mechanism, a first driving mechanism and a second driving mechanism. When the threshing device is in use, the roller is driven by the first driving mechanism to rotate at a certain speed, and therefore plants inside the roller are thrown into air inside the roller; at the moment, due to the fact that the beating mechanism is rotated, a beating rod on a first rotating shaft beats the plants in air in the rotating process of the beating rod, cyperus esculentus is disengaged from the plants under the effect that the plants are beaten by the beating rod and collide with the inner wall of the roller, and the cyperus esculentus falls down from a first through hole in the wall of the roller. The cyperus esculentus harvester comprises a machine frame and the threshing device. The threshing device is connected to the machine frame. The cyperus esculentus harvester can collect a vast majority of cyperus esculentus from the cyperus esculentus plants.

The invention relates to a method for pressing Cyperus esculentus oil at an ultralow temperature and dedicated pressing equipment for the method. The pressing method comprises the following steps of: removing impurities, oven-drying, powdering, steaming, pressing at an ultralow temperature, separating oil from sugars, and filtering, to obtain the purified pressed oil of Cyperus esculentus. The dedicated pressing equipment comprises a frame, a driving motor, a pressing device, a feeder, a large gear case, a power transfer transmission device, a cooling device and a cooling power transmission device. The pressing spiral shaft of the pressing device is a hollow shaft, the cooling cylinder of the cooling device is provided with a cooling interlayer, and the hollow pressing spiral shaft, the cooling interlayer of the cooling cylinder, a liquid reservoir and connecting pipes form a cooling circulation system. The urea cooling liquid is circulated in the circulation system to carry heat awayfrom the cooling cylinder and the pressing chamber, so as to ensure that the Cyperus esculentus material is processed under the ultralow temperature (10 DEG C to 28 DEG C) condition all the time in the pressing process and thus to achieve mechanical pressing production of Cyperus esculentus oil.

The invention relates to a planting method for saline-alkali soil cyperus esculentus-chenopodium quinoa intercropping, and belongs to the technical field of crop planting. The method specifically comprises the following steps of (1) soaking seeds and germinating; (2) conducting soil preparation and fertilizing; (3) ridging cyperus esculentus, conducting mulching film covering planting, and intercropping two rows of the chenopodium quinoa in two ridges of the cyperus esculentus; (4) conducting field management. Through the intercropping of the cyperus esculentus and the chenopodium quinoa, it is avoided that the yield is seriously reduced after the planting of chenopodium quinoa continuous cropping, the phenomenon of 'land resting' caused by the long-term single cropping of the chenopodiumquinoa is prevented, the utilization of soil is improved, the yield of the cyperus esculentus and the chenopodium quinoa is improved, higher economic benefits are obtained, and the intercropping planting model lays the foundation for the large-scale popularization and planting of the saline-alkali soil cyperus esculentus and chenopodium quinoa.

The invention provides a method for planting plants in desertificated land and application of the method in cyperus esculentus planting and relates to the technical field of planting. The method for planting plants in desertificated land comprises the following steps that plants are planted in backfilled soil in planting furrows laid with water-retaining layers and are instantly irrigated thoroughly, and field management is performed until harvesting is achieved. By adopting the planting method, the technical problem is solved that after planting by adopting a traditional planting method, thewater-retaining property of land is poor, water loss is caused, thus plant hydropenia is caused, limited crop growth and development are caused, and accordingly crop yield decrease is caused. The method for planting plants in desertificated is applied to cyperus esculentus planting.

The invention relates to a health-caring and freshness-retaining bean curd containing squillid heads and squillid shells and a preparation method thereof. Raw materials of the beverage includes, by weight, 55-75% of soybean, 15-25% of cyperus esculentus, 2-5% of a squillid fermentation liquid, 3-6% of glucosamine hydrochloride and 5-9% of caryopteris incana juice. The bean curd is prepared from above raw materials in different processing methods, is high in production rate, is good in elasticity, is strong in toughness, is not liable to break, is fine in texture and is delicious in taste. Not only are problems that the squillid enzymolysis protein liquid is thick in bitter and fishy smell and cannot be used as a food base material solved, but also the bean curd is better in health-caring value and meanwhile is more unique in flavor, is long in preservation time and shelf life and is high in edible safety. The bean curd, when being eaten often, can enhance human body immunity, can improve physiological functions, can reduce glucose and fat, has an anti-microbial effect and an anti-inflammation effect, has an anti-cancer and anti-aging function, can prolong life, can alleviate osteoporosis, can prevent diseases in heart and cerebral vessels and alimentary canals and the like, allows waste materials to be comprehensively reused, and has huge social, ecological, environmental and economic benefits.

A traction-type oily bean harvester, including a harvesting mechanism, a conveying mechanism, a screening mechanism and a collecting mechanism on the car body. The transmission mechanism and the screening mechanism are respectively driven by the gearbox on the car body through the transmission mechanism. The ripper, planer and recovery board under the front part are composed of the conveying mechanism consisting of the conveying chain plate and the matching sprocket. The screening mechanism is a double-layer vibrating screen. The collecting mechanism is composed of a bean storage box, a double-layer collection box and The bean storage box is arranged in the middle of the car body, the upper layer of the double-layer collection box is the impurity box, and the lower layer is the transfer box. In the present invention, the mixture of oily beans and soil is planed out by a soil planer, transported to the screening mechanism by a conveying mechanism, and the impurities and oily beans are screened out, and then fall into the impurity box and the transfer box respectively, and then the oil in the transfer box is removed by a hoist. The sand beans are transported to the bean storage box. The whole mechanism is compact, the power transmission is clear, the residue is small, and the separation effect is good, which solves the problem that the oil sand beans are easy to grow and difficult to harvest.

The invention provides a Cyperus esculentus harvester. The Cyperus esculentus harvester comprises a frame, walking wheels, a Cyperus esculentus temporary storage hopper, a power mechanism, a transmission mechanism, a soil-turning rotary-tillage roll, a shovel plate located behind the rotary-tillage roll, a lifting conveyor belt connected with the shovel plate, a double-layer cylindrical sieve-drumroller sieve connected with the lifting conveyor belt, a spiral blade propeller arranged in an inner sieve drum, an axial pushing plate arranged in an outer sieve drum, a circular arc Cyperus esculentus grain receiving groove arranged at the outer end of the outer sieve drum, a stirring sheet extending into the receiving groove from the outlet end of the inner sieve drum, and a conveyor connecting the receiving groove with the Cyperus esculentus temporary storage hopper, wherein the sieve pore of the inner sieve drum is larger than a Cyperus esculentus grain; the sieve pore of the outer sievedrum is smaller than a Cyperus esculentus grain; sieve drums are supported by a roller and driven by a gear ring and a power gear arranged on the outer circumference of the sieve drums. The Cyperus esculentus harvester provided by the invention has the following positive effects: mechanized harvesting of the Cyperus esculentus with grains dispersed and born in soil is realized; and compared withconventional artificial harvesting, the Cyperus esculentus harvester has the following advantages: few Cyperus esculentus grains are remained in the the soil; labor intensity is greatly reduced; production efficiency is tens times higher than the production efficiency of artificial harvesting; and the Cyperus esculentus harvested by the Cyperus esculentus harvester is clean and has few impurities.

The invention discloses a cyperus esculentus plough layer replacement cultivation method. The cyperus esculentus plough layer replacement cultivation method comprises the following steps that 1, a furrow 15-20 cm wide and 15-20 cm deep is dug in a cyperus esculentus planting row manually or mechanically in advance; 2, before cyperus esculentus is planted, the furrow is filled with special nutrition media for cyperus esculentus plough layer replacement, the filled nutrition media reach the position 2-3 cm away from the ground, water is added to permeate the land, soil of 2-3 cm is filled on the special nutrition media for cyperus esculentus plough layer replacement, then seeds are sown at the planting row according to the planting density requirements of the cyperus esculentus, cyperus esculentus seeds are directly arranged on the soil surface, and then soil 2-3 cm thick covers the seeds; 3, other measures are the same with ordinary cultivation. The cyperus esculentus plough layer replacement cultivation method can solve the problem that cyperus esculentus can not be harvested easily and can provide necessary nutrition substances for growth of the cyperus esculentus, the media can improve the soil condition, growth of the cyperus esculentus is facilitated, and after the cyperus esculentus is harvested, residues of the media in the soil can play a role in improving the soil and fertilizing the soil.

The invention discloses a cyperus esculentus harvest threshing, separating and cleaning system, and belongs to the technical field of agricultural machinery. The system comprises a frame, a threshingcylinder, a straw shaker, a cleaning fan and a transverse conveyor, the threshing cylinder is arranged at the end of one side of the frame through bolts, and the threshing cylinder comprises a threshing shaft component, an upper cover arc plate and a lower screen arc plate. The upper cover arc plate and the lower screen arc plate are fixedly connected through bolts to form a cylindrical structure,a feeding port is formed at one end, a discharging port is formed at the other end, and the threshing shaft component is arranged in the cylindrical structure. The whole set of threshing and cleaningsystem has good separability, liquidity and multiple cleaning functions through working components such as the tangential flow type threshing cylinder, a double-layer multi-stage four-box type strawshaker separation device, the cleaning fan and the transverse conveyor with the soil leakage function; and faults and problems such as winding of rhizomes, blocking of a screen and incomplete separation can be effectively prevented.

The invention discloses a composition with moistening, moisturizing and anti-allergy effects. The composition is prepared from the following components in parts by weight: 5 to 10 parts of xylitol, 5to 10 parts of lactitol, 3 to 5 parts of avocado oil, 3 to 5 parts of camellia seed oil, 3 to 10 parts of macadimia nut seed oil, 2 to 9 parts of argania spinosa kernel oil, 2 to 4 parts of cyperus esculentus root oil, 1 to 5 parts of bisabolol and 0.5 to 1 part of ceramide-3. The composition disclosed by the invention is applied to a factory, can be applied to a skin care product, has the effectsof moisturizing, retaining moisture and the like, can assist in relieving, resisting allergy, whitening and the like, and can repair a lipid barrier of skin and improve good nourishment and skin feeling; the hair conditioner can be used in hair washing and caring products, can deeply repair and nourish damaged hair, enables the hair to be smooth and elastic, and has a good hair moisturizing effect.

The present invention discloses a Chinese clinopodium herb palatable pig feed, which is made from the following raw materials in parts by weight: 90-100 parts of wheat grain, 40-50 parts of yellow foxtail millet, 20-30 parts of defatted rice bran, 20-30 parts of rice beans, 10-12 parts of cyperus esculentus, 4-5 parts of flos sophorae immaturus, 5-6 parts of cassava residues, 20-25 parts of Chinese clinopodium herb, 10-15 parts of purslane, 6-7 parts of edible ironweed, 7-10 parts of malt wort, 10-13 parts of dried date powder, 1-2 parts of selaginella uncinata, 1-2 parts of spikenard, 1-2 parts of smut fungi of wheat, 3-4 parts of yeast, 3-4 parts of attractant and a proper amount of water. The heat-clearing palatable pig feed uses wheat grain, yellow foxtail millet, defatted rice bran, rice bean and cyperus esculentus as main raw materials. The added Chinese clinopodium herb has effects of expelling wind and clearing heat, and detoxifying for detumescence. The purslane has effects of clearing heat and promoting diuresis, removing toxicity for detumescence, eliminating inflammation, quenching thirst and increasing urine excretion. The produced feed can enhance the immunity of piglets, improve the daily weight gain of pigs and reduce the feed conversion ratio, and has very good application prospects.

The invention discloses a method for comprehensive utilization of cyperus esculentus meal. The method comprises the following steps of (1) performing crushing and screening: taking cyperus esculentus meal, and performing crushing with a stainless crushing machine to obtain cyperus esculentus meal powder; (2) adding water, performing soaking, enabling protein to dissolve, and obtaining a cyperus esculentus meal aqueous extract mixed material: adding water to the cyperus esculentus meal; (3) performing slurry and residue separation: under the condition of continuous stirring, adding the cyperus esculentus meal aqueous extract mixed material of which the protein is dissolved to a starch pulping machine, and performing slurry and residue separation so as to obtain cyperus esculentus slurry and cyperus esculentus residues; (4) performing separation and refining on the cyperus esculentus starch: enabling the cyperus esculentus slurry obtained by a centrifugal separation method to be separated; (5) preparing cyperus esculentus isolated protein: taking a cyperus esculentus solution in which starch is removed; (6) preparing a cyperus esculentus aqueous solubility component extract: concentrating the cyperus esculentus aqueous extract in which the starch and the protein are removed by a concentration method so as to obtain a cyperus esculentus meal concentrated solution; and (7) preparing cyperus esculentus dietary fibers. The method is easy to implement and simple and convenient to operate, raw materials are completely and comprehensively used, and main products are developed according to main components, and the cost is low, and the method can realize mechanized production.

The invention discloses a high-yield cyperus esculentus cultivation method suitable for sandy loam in an arid region, and belongs to the technical field of high-yield cyperus esculentus cultivation methods. The high-yield cyperus esculentus cultivation method comprises the following steps of seed selection, airing, winter storage, soil preparation, sowing, irrigation, field management and harvesting. According to the high-yield cyperus esculentus cultivation method suitable for the sandy loam in the arid region, the yield of the cyperus esculentus tubers in the sandy loam in the arid area is increased through comprehensive measures such as seed optimization, sowing density regulation and control and field management in an arid sandy land, the water content of the tubers is 10% or below through tuber optimization, seed reservation and airing, the tuber vitality of cyperus esculentus stored at the normal temperature is effectively kept, the sowing germination rate is increased, and the yield of the cyperus esculentus tubers is increased to the maximum by adjusting the sowing density to 20-40 cm line spacing.

The invention discloses a three-level separation type cyperus esculentus harvester. The three-level separation type cyperus esculentus harvester is characterized by comprising a rack body, a traction frame, fixed depth wheels, a rotary tillage rake, a soil shoveling plate, a storage box and advancing wheels. A transition plate, a first-level screening device, a second-level screening device and a third-level screening device which are connected in an end-to-end mode and arranged in a front and back mode are arranged on the rack body behind the soil shoveling plate. A draught fan and the storage box are arranged below the tail ends of the three levels of screening devices. The three-level separation type cyperus esculentus harvester has the advantages that the first-level screening device, the second-level screening device and the third-level screening device are arranged, and cyperus esculentus is classified and screened step by step when conveyed from front to back and are completely screened when harvested; waste of resources is avoided, the net output rate of the harvested cyperus esculentus is high, the harvested cyperus esculentus can be directly bagged after being dried without manual secondary separation and secondary operation; besides, when the cyperus esculentus falls into the storage box finally, impurities in the cyperus esculentus are blown out by the draught fan, and the net output rate is further increased.

The invention relates to the technical field of extraction and application of total flavonoids of plants and relates to extract of total flavonoids of cyperus esculentus, an active monomer orientin and an extraction method and application thereof. The preparation method of the extract of total flavonoids of cyperus esculentus comprises carrying out reflux extraction on aerial stems and leaves of cyperus esculentus through an ethanol solution, mixing the extract, carrying out reduced pressure concentration to obtain extract, carrying out macroporous resin column chromatography on the pretreatedextract, carrying out elution in separation orderly through water and an ethanol solution with the content of 30% to obtain eluate of the ethanol solution with the content of 30%, and orderly carrying out reduced pressure concentration and freeze drying through the eluate of the ethanol solution with the content of 30% to obtain the extract of total flavonoids of cyperus esculentus. The inventiondiscloses the application of the extract of total flavonoids of cyperus esculentus and the active monomer orientin in preparation of drugs for treating ischemic stroke. The pharmacological experimentresult shows that the extract of total flavonoids of cyperus esculentus and the active monomer orientin can protect I / R injury.