55 results about "Sweet potato storage" patented technology

The invention relates to the field of automatic control, in particular to an environment control device for a sweet potato storage cellar. The environment control device comprises an air feeding device, a humidity removing device, a refrigerating and heating device, a timing device and an intelligent control system. The air feeding device, the humidity removing device and the refrigerating and heating device are connected with the output end of the intelligent control system. The input end of the intelligent control system is connected with a temperature sensor, a humidity sensor and the timing device. The device can control the sweet potato storage cellar automatically, sweet potatoes can be stored in an optimal environment and prevented from going mouldy and decaying in a storing process, and the device is suitable for large-batch storage of sweet potatoes.

The invention relates to a low temperature resistant sweet potato storage cellar and application. The storage cellar comprises a cellar chamber and a tunnel, wherein the cellar chamber is positioned under the ground; the tunnel is positioned on the ground; the cellar chamber is an inverted trapezoid earth ditch which has a wider upper part and a narrower lower part; two side walls of the cellar chamber in a length direction incline inwards; a ventilation opening and a goods delivering opening are formed on the side surface of the tunnel; goods delivering steps are arranged on one side inside the cellar chamber; both ends of the cellar chamber in the length direction are provided with an inlet respectively; and each inlet is provided with a fire wall inside which a flue is formed. The storage cellar overcomes the defects of poor thermal insulation property, high internal humidity and difficult ventilation of a well cellar, and has the advantages of low cost, high storage capacity, easy operation and suitability for popularization and application.

The invention relates to an inverted steamed sweet potato processing method, belonging to the agricultural product deep processing field. The inverted steamed sweet potato processing steps compris: choosing material and cleaning-> peeling-> slivering-> boiling by water-> draining-> first dehydrating-> steaming to soft-> second dehydrating-> re-steaming-> third dehydrating-> packaging-> sterilizing-> cooling-> inspecting-> finishing and warehousing; the method can be implemented by using modern technology and mechanized equipment, and the sterilization treatment is concerned in each step according to the fence principle. The invention overcomes the insufficient of product quality and flavor changeable in high pressure sterilization and not thoroughly in pasteurizing sterilization; keeps the nutrient compositions and peculiar flavor of sweet potato better; avoids the loss caused by fresh sweet potato storage; has a strong practicality, and is one of the domestic ideal methods for sweet potato deep processing.

The invention discloses a sweet potato storage method and device, and belongs to the technical field of agricultural product storage. The storage device comprises a semi-underground type library body,and the library body is provided with a ventilation unit, a heat preservation unit, a monitoring unit, a disinfecting unit and a control unit; the ventilation unit, the heat preservation unit, the monitoring unit and the disinfecting unit are communicated and connected with the control unit separately, and a humidifier is installed inside the library body; the peripheral walls of the library bodyare of a brick concrete structure, and the wall bodies include two layers of 240 mm thick brick walls and a layer of heat preservation board clamped between the two brick walls; the top of the library body is arranged in an inverted-V shape, the library body comprises a wooden plate, a heat preservation plate and a rainproof layer which are sequentially arranged from interior to exterior, and theplates are supported by means of the support. By adopting the semi-underground type library body, meanwhile, the sweet potato storage method is utilized, sweet potatoes can be stored for a long time,and energy resources are saved.

The invention relates to the technical field of storing agricultural products, in particular to a sweet potato storage method which is suitable to be used in South area in China and solves the technical problems of higher cost, poorer economy performance and the like in the prior art. The sweet potato storage method comprises the following steps: A. sorting of sweet potatoes; B. processing of sweet potatoes; C preparation of soil; and D. stacking and covering of sweet potatoes. Compared with the prior art, the sweet potato storage method has the advantages of being easy to implement, lower in economic cost, not easy to cause rotting or overlarge moisture consumption of the sweet potatoes, and capable of effectively ensuring the quality of the sweet potatoes.

The invention relates to a mould-proof high-permeable preservative film special for purple sweet potatoes. The preservative film is prepared from linear low-density polyethylene resin, low-density polyethylene resin, calcium carbonate master batch, antifog master batch, antibacterial master batch, silane coupling agent, oleamide, ethylene absorbent, CO2 absorbent, sprout inhibitor, thickening agent, antioxidant, thymol essence oil and methyl jasmonate. The prepared preservative film disclosed by the invention is bright in surface; strength, ageing resistance and stretchability of the film are enhanced; the preservative film has performance of breathability, moisture penetrability, sprout inhibition, mould prevention and fog prevention; the risk caused by high CO2 concentration in a purple sweet potato storage process is reduced; compared with other preservative films, the preservative film has more pertinence on refreshment of the purple sweet potatoes.

The invention discloses a storing method of sweet potatoes, belongs to the technical field of agricultural product preservation, and comprises three steps of sweet potato treatment, sweet potato cellar excavation and sweet potato storage; the beneficial effects are that: the sweet potato storage effect is good; the preservation time is long; the taste and the water content of sweet potatoes are maintained.

The invention discloses a storage system for keeping sweet potatoes fresh and a sweet-potato storage method and particularly relates to the field of sweet potato storage. The storage system comprisesa fresh-keeping storage device for storing the sweet potatoes and is characterized in that fresh-keeping storage device comprises a hollow sweet-potato storage chamber, a spreading device for spreading the sweet potatoes and a temperature and humidity regulating device for regulating temperature and humidity in the sweet-potato storage chamber, and the spreading device and the temperature and humidity regulating device are located inside the sweet-potato storage chamber. By the storage system, the shelf life of the sweet potatoes can be prolonged.

The invention relates to the technical field of sweet potato storage and discloses sweet potato storage pretreatment equipment and a pretreatment method. The sweet potato storage pretreatment equipment comprises an access door, a healing room and a cooling room with access doors oppositely arranged, wherein the end, departing from the cooling room, of the healing room is connected with a first air-supply fan, and a heat device is arranged between the outlet of the first air-supply fan and the healing room; and the end, departing from the healing room, of the cooling room is connected with a second air-supply fan. According to the sweet potato storage pretreatment equipment, sweet potatoes are subjected high-temperature short-time healing-cooling pretreatment after production and before storage, formation of sweet potato tuberous root healing tissues can be effectively accelerated by an environment-friendly pollution-free physical method, and the pretreatment time can be shortened, so that the aims of reducing rot and moisture loss of sweet potatoes during storage, ensuring the storage quality and prolonging the storage period can be achieved.

The invention discloses a green fresh-keeping sweet potato storage method, and particularly relates to a sweet potato storage method. The sweet potato storage method comprises the steps that mixed forage is used for smudging the interior of a sweet potato storage chamber for 60-80 min; after smudging is completed, a potassium permanganate solution with the concentration of 0.1 mol/L is sprayed onthe side walls, ground and top in the storage chamber; after spraying, the sweet potato storage chamber is tightly closed, and the closed state lasts for 100-120 min; the peripheral wall and ground ofthe sweet potato storage chamber are coated with photocatalyst, a light is turned on, irradiation lasts for 20-30 h, and at the time, pretreatment of the sweet potato storage chamber is completed; after being put in baskets, the sweet potatoes are placed in the pretreated sweet potato storage chamber for high-temperature healing treatment, and ventilation is kept during the period; after the high-temperature healing treatment is completed, the temperature in the sweet potato storage chamber is controlled to be 10-13 DEG C, the relative humidity is 80-90%, and ventilation is kept during the sweet potato storage period. The method has the advantages that the fresh-keeping storage time of sweet potatoes can be prolonged, and the operation is convenient.

The invention provides a preservation method capable of prolonging a sweet potato storage life. The preservation method comprises the following steps of S10 sweet potato selection, S11 warehouse selection, S12 warehouse disinfection, S13 preservation processing, S14 air-drying processing and S15 storage processing. A preservative is simple to prepare, the selected raw materials are high in safety performance and are harmless to a human body, the sweet potatoes preserved by adopting the preservative do not contain any substance harmless to the human body, the edible safety is high, the method of preservation of the sweet potatoes is simple, and a preservation effect of the sweet potatoes is good. The preservation time can be at least nine months or longer at room temperature by adopting the preservative, the sweet potatoes basically have no difference with fresh sweet potatoes in the aspects of color, luster, taste and nutrition, and the original color and taste of the sweet potatoes are retained.

The invention discloses a damp-proof bag for storing a purple sweet potato for extracting anthocyanin and relates to the technical field of purple sweet potato storage. The damp-proof bag is prepared from the following raw materials in parts by weight: 15-20 parts of coal ash, 5-10 parts of microcrystalline cellulose, 5-10 parts of activated clay, 5-10 parts of pregelatinized starch, 3-5 parts of polyglutamic acid crosslinked polyvinylpyrrolidone, 3-5 parts of pre-gelled starch, 2-3 parts of polyvinyl alcohol resin, 1-2 parts of polyaluminum ferric chloride, 1-2 parts of hydrogenated castor oil, 0.5-1 part of poly-dimethyl diallyl ammonium chloride, 0.5-1 part of monopotassium phosphate and 0.3-0.5 part of N-hydroxymethyl acrylamide. The damp-proof bag prepared by the invention can effectively regulate the humidity of the purple sweet potato surface, can prevent the purple sweet potato from absorbing moisture and rotting, can prolong the storage time of the purple sweet potato and can guarantee the storage quality of the purple sweet potato. The damp-proof bag can be dried and then reused, so that the preparation cost of the damp-proof bag can be lowered.

The invention discloses a sweet potato storage method which comprises the following specific steps: putting collected sweet potatoes into bags, constructing a sweet potato fresh-keeping storehouse, sterilizing in the fresh-keeping storehouse by use of a germicide, and stacking the bags filled with the sweet potatoes in the fresh-keeping storehouse, wherein each vertical sweet potato bag stack comprises six layers; then putting a temperature gauge at the bottoms of every two layers of bags; enabling a working personnel to respectively enter the fresh-keeping storehouse to check the stability of the temperature gauges in the morning, at noon and in the evening each day; if the temperature is less than 10DEG C, starting a heating furnace, and heating the interior of the fresh-keeping storehouse; if the temperature is greater than 13DEG C, taking off bags filled with grass, performing aeration cooling on the interior of the sweet potato fresh-keeping storehouse, and taking out the sweet potatoes from the sweet potato fresh-keeping storehouse on march of the next year. The sweet potato storage method has the advantages of low possibility of sweet potato frost damage, and the like.

The invention relates to a sweet potato storage device and relates to the technical field of sweet potato processing assisting. The device is composed of a cylinder body, a placement plate and a fixing device. An upper cover is arranged on the cylinder body, the fixing device is arranged on the upper cover and composed of adjustment blocks, a fixing block and an insertion head, and the adjustmentblocks are arranged on the side surface wall of the upper cover and provided with the fixing block; the insertion head is arranged on the fixing block, fixing holes and vent holes are formed in the side surface wall of the cylinder body separately, and the fixing holes and the insertion head are correspondingly arranged; shelves are arranged on the inner side surface wall of the cylinder body, anda placement plate is arranged on each shelf and provided with a lifting handle and a placement groove separately. The sweet potato storage device is simple in structure and convenient to operate, sweet potatoes can be conveniently and efficiently placed, and the effect of storing the sweet potatoes is effectively improved.

The invention discloses a sweet potato cellar ventilating device with a water storage function, and relates to the technical field of sweet potato storage devices. The sweet potato cellar ventilating device is composed of a reservoir, a ventilating pipe and a filter screen; the reservoir is arranged on the ground; a through hole is formed in the reservoir; the ventilating pipe is arranged on the through hole of the reservoir; one end of the ventilating pipe is connected onto the reservoir through the through hole and is communicated with the reservoir, and the other end of the ventilating pipe passes through the ground to be arranged in a sweet potato cellar; the filter screen is arranged at the top of the reservoir; a water outlet is formed in the bottom of the reservoir. The sweet potato cellar ventilating device is simple in structure and convenient in operation, and the sweet potato cellar can be ventilated effectively; moreover, the sweet potato cellar can also be prevented from being invaded and attacked by rainwater in rainy days effectively, and the air environment inside the sweet potato cellar is guaranteed; meanwhile, the risk of oxygen deficit when people enter into the cellar is reduced.

The invention discloses a washing cleaning device for sweet potato storage, and particularly relates to a sweet potato cleaning device which can rotate while driving sweet potatoes to move up and down. In addition, during cleaning, water is pumped in the device constantly, and the problem that an existing sweet potato cleaning tool has no comprehensive cleaning or washing function is effectively solved. A distribution box is fixedly installed at one side of a workbench, a flange on the distribution box is provided with a motor electrically connected with the flange, a driving shaft is rotationally connected with the output end of the motor, a small gear meshed with a large gear is fixedly connected to the upper portion of the driving shaft, and the large gear is fixed to the outer wall ofa cleaning barrel; a jacking mechanism comprises a driven shaft rotationally arranged below the workbench, a bevel gear set for being connected with the driven gear and the driving gear, and a cam fixed to the driven shaft; the upper portion of the cam abuts against and penetrates through the center of the bottom of the cleaning barrel and the lower end of an ejector rod in sliding connection withthe cleaning barrel, and a tray is fixedly arranged at the upper end of the ejector rod.

The invention relates to a storage method for sweet potato fresh keeping. The method comprises the steps of sweet potato screening, sweet potato airing, plant ash airing, and mixing and storage of plant ash and sweet potatoes. The storage process of the invention does not need any chemical sterilization disinfectant or preservative, does not need investment of special shed cellars and thermoregulation and humidifying facilities, saves resources, has low costs, is environment-friendly, has no decay phenomenon in storage time, has long sweet potato storage time of up to 12 months or above. The obtained sweet potatoes basically have no difference from fresh sweet potatoes in color, mouth feel and nutrient aspect, and maintain the primary color and original taste of sweet potatoes. The storagemethod has advantages of simple operation, good fresh-keeping effect, long preservation time, low costs, has no harm to the human body, and high edible safety performance. The method can reduce the loss of sweet potato farmers and avoid pollution to environment, can enlarge population who eat sweet potatoes, increase consumption quantity, increase sweet potato value, increase the income of the sweet potato farmers and generate large social benefits, facilitates grain storage for people, and also makes greatly contribution for alleviating potential grain strategy safety in China.

The invention provides a sweet potato storage device and storage method. A storage device body comprises walls and a ceiling, the walls are fixedly connected with the ceiling, damp-proof layers are arranged on the inner walls of the walls, at the bottoms of the walls and on the inner wall of the ceiling, the walls are provided with an entrance, loopholes and a temperature and humidity controller,and an ozone generator is arranged at the joint of the ceiling and the walls. The storage method includes the steps: 1 selecting healthy sweet potatoes; 2 soaking the sweet potatoes in lime water; 3 air-drying the soaked sweet potatoes; 4 disinfecting the storage device; 5 storing the sweet potatoes; 6 disinfecting the sweet potatoes; 7 monitoring temperature and humidity; 8 performing daily management; 9 discharging the sweet potatoes. The temperature and the humidity in the storage device can be strictly controlled within the optimal temperature and humidity range of sweet potato storage. Moreover, ventilation effects are good, the disease resistance of the sweet potatoes can be improved, morbidity and rotting of the sweet potatoes are decreased, and the device is reasonable in design and worthy of vigorous promotion.

The invention discloses a new method for preventing sweet potato soft-rot disease. The new method for preventing sweet potato soft-rot disease is characterized by comprising the following steps: timely harvesting the sweet potatoes, avoiding mechanical damages, carefully selecting healthy sweet potatoes, safely storing the sweet potatoes in a cellar, carrying out early-stage storage, carrying out middle-stage storage, and carrying out late-stage storage and the like, so that the method is capable of realizing the purpose of preventing sweet potato soft-rot disease. The method is easy to operate, well in effect, free of additional cost input and especially suitable to the northern regions for sweet potato storage. The method is capable of effectively preventing and treating sweet potato soft-rot disease as well as reducing disease incidence.

The invention discloses a resistance identification method for sweet potato scurf, and belongs to resistance identification methods for crop diseases and pests. 30 healthy and strong sweet potato seedlings of a to-be-identified sweet potato are shorn from a seedling bed with a high seedling shearing method at three times in the middle of June, and 10 seedlings are shorn each time. When the sweet potato seedlings are planted, the roots are dipped with bacterial suspension having the concentration being 1.0*10<6> bacteria/ml, and a conventional mode is adopted for planting and daily field management. After being planted for 120 days, the sweet potato seedlings are harvested and stored in a sweet potato storage house, and during the storage, the temperature is controlled to be about 12-15 DEG C and the relative humidity is controlled to be 80%-90%. In 150 days, sweet potato blocks are taken out, cleaned and dried in air, the disease grades are classified according to the surface area of scurf scabs in the sweet potato blocks, the disease index is calculated, grading is carried out by the disease index, and the anti-infection property of a variety is evaluated. The identification method is scientific, effective and simple to operate; the test cycle covers the whole infection and extension cycle of the sweet potato scurf during field growth and winter storage of sweet potatoes; and an identification result can comprehensively reflect the resistance level of the sweet potato variety on the scurf.

The invention discloses an overground energy-efficient sweet potato storage greenhouse and relates to the technical field of agriculture. The overground energy-efficient sweet potato storage greenhouse comprises a buffer chamber, a stove and a storage greenhouse. The storage greenhouse comprises a roof and a greenhouse body. A plurality of groups of pillars and cross beams are connected to form a load-bearing greenhouse roof support body. The periphery of the greenhouse roof support body is connected with a greenhouse front wall, a greenhouse rear wall and greenhouse gables on two sides to form the greenhouse body. The roof is disposed on the greenhouse body and is provided with a chimney. A flame path is disposed in the storage greenhouse, and two ends of the flame path are connected with the stove disposed outside the storage greenhouse. The chimney is communicated with the flame path. The buffer room is communicated with the storage greenhouse through a greenhouse entry. Both the greenhouse front and rear walls are provided with air vents. The overground energy-efficient sweet potato storage greenhouse is reasonable in design, simple in structure and low in cost, allows flexible temperature and humidity control and is convenient to operate, energy-efficient, environment-friendly, widely applicable and high in storing capacity, sweet potatoes can be stored through application steps, and the greenhouse is durable, safe and reliable and convenient to popularize and apply.

The invention discloses an intelligent sweet potato storage cellar comprehensive adjustment control system, which includes a central processing unit, a signal acquisition unit and an execution unit; the central processing unit includes a power module and a central processor; the signal acquisition unit includes a temperature sensor , humidity sensor, described temperature sensor links to each other with central processor, and described temperature sensor is used for collecting the temperature signal in the sweet potato storage cellar, and the temperature signal that gathers is sent to central processor, and described humidity The sensor is used to collect the humidity signal in the sweet potato storage cellar, and sends the collected humidity signal to the central processor; the execution unit includes an air heating module, and the air heating module is connected to the central processor. The air heating module described above is used to adjust the temperature and humidity inside the sweet potato storage cellar according to the processing results of the central processor. The invention has the advantages of high intelligence degree, convenient use and the like.

The invention discloses an assembly type sweet potato intelligent fresh-keeping storage warehouse based on the Internet of Things technology, the assembly type sweet potato intelligent fresh-keeping storage warehouse comprises a warehouse body assembly, the warehouse body assembly comprises a base, a sweet potato storage pool, a wall body, a roof and a cross beam, the wall body is fixedly installed on the side wall of the base through screws, and the roof is arranged at the top of the wall body. Through the arrangement of the bin body assembly, the wall bodies, the roof and the base can be separately installed during installation, the whole building can be achieved only by assembling the wall bodies and the roof and assembling the base and the wall bodies, the building cost is reduced, meanwhile, the building efficiency is improved, and through the arrangement of the high-temperature healing assembly, wound healing on the surfaces of sweet potatoes can be promoted; through the arrangement of the fresh-keeping assembly, the humidity in the bin body can be adjusted, low-temperature fresh keeping can be performed on sweet potatoes, and through the arrangement of the sterilization assembly, dust and bacteria in control can be filtered while gas exchange with the outside is performed.

The invention discloses a storage system for sweet potato preservation, and particularly relates to the field of sweet potato preservation. The storage system comprises a freshness storage device forstoring sweet potatoes, a drying device for drying the surface of the cleaned sweet potatoes, and a conveying device for conveying the sweet potatoes processed by the drying device to the sweet potatopreservation room; the freshness storage device comprises the sweet potato preservation room with a hollow inner part, a paving device for paving the sweet potatoes and a humidity adjusting device for adjusting humidity of the sweet potato preservation room; the paving device and the humidity adjusting device are located at the inner hollow part of the sweet potato preservation room; one side ofthe sweet potato preservation room towards the drying device is provided with a closeable sweet potato inlet; an output end of the conveying device is aligned to the inlet of the sweet potato. The storage system has the advantage of prolong the expiration date of the sweet potatoes.