33results about How to "Raise the grade" patented technology

This invention discloses a high-temperature molten slag granulation system coupled with cyclone heat exchange and water mist, including a granulation chamber, a high-temperature molten slag transition device disposed at the top of the granulation chamber, a granulation disc disposed inside the granulation chamber and below the high-temperature molten slag transition device, and a transmission shaft and motor for driving the rotation of the granulation disc. A slag outlet is provided at the bottom of the granulation chamber, and multiple spray nozzles are evenly arranged circumferentially on the upper part of the inner side wall of the granulation chamber. At least four tangential high-pressure air inlets are provided circumferentially below the spray nozzles on the side wall of the granulation chamber, each high-pressure air inlet being connected to a high-pressure blower. An arc-shaped guide baffle is provided on the inner side of each high-pressure air inlet. The system of this invention has a compact structure and no additional moving parts. It can adapt to different working conditions such as blast furnace slag and steel slag by only adjusting the air pressure and water volume, and has broad industrial application value.

The utility model relates to the technical field of fiber plastic wood processing device, disclose a kind of fiber plastic wood production and processing device, including fixed frame, the inside lower side of the fixed frame is rotatably connected with lower press roll, the inside upper side of the fixed frame is provided with roller, the outside of the roller is equipped with embossed pattern, the left and right sides of roller are both provided with installation adjusting assembly, the left and right sides surface of roller is both fixedly connected with connecting cylinder, the inside fixed connection of connecting cylinder is equipped with sealed bearing, the side fixed connection of sealed bearing away from roller is equipped with connecting pipe. In the utility model, the cooperation of the connecting cylinder, the sealed bearing, the connecting pipe, the fixed cylinder, the partition, the deflector, the fixed plate and the communication pipe that are arranged, the temperature on the surface of the roller can be distributed in gradient, and the gradient interval can be changed continuously, so that the embossed depth changes randomly, the natural texture formed by the difference of growth environment of wood is simulated, the natural wood grain without repeated rule is realized, and the product grade is significantly improved.

This utility model relates to the field of window frame technology, and in particular to a luminous window frame, comprising a window frame body, a photovoltaic panel installed on the peripheral sidewall of the window frame body, a battery drive box installed inside the window frame body, and two right-angle lamps respectively installed at the two bottom corners of the inner cavity of the window frame body. The photovoltaic panel is electrically connected to the battery drive box, and the two right-angle lamps are also electrically connected to the battery drive box. The light emitted by the two right-angle lamps crosswise illuminates two opposite sides of the inner cavity of the window frame body. This utility model has a simple structure and low cost. By combining photovoltaic power generation and lighting decoration on the window frame, the window frame has a novel structure and good decorative effect, which helps to enhance visual impact and visual enjoyment, thereby improving the grade of the window frame. Moreover, photovoltaic power generation is energy-saving and environmentally friendly.

The utility model relates to the technical field of sports goods, specifically, relates to a bow. The bow comprises a bow body, the bow body is installed with a bowstring, the bow body is installed with a push-pull rod capable of moving forwards and backwards, the push-pull rod has a launching channel extending in the forward and rear direction, the front end and both sides of the launching channel are open, the bowstring passes through the side of the launching channel, and the push-pull rod is installed with an operating device for fixing and releasing the bowstring. The application has the advantages that: 1, the combination of the push-pull rod and the operating device is used to pull and release the bowstring, which is more convenient and less likely to hurt the hand compared with directly pulling the bowstring with the fingers in the traditional method; 2, arrows or projectiles are launched through the launching channel, are guided through the launching channel, are convenient to aim at, have higher precision, and are favorable to improving the result.

The application discloses a preparation method of low-shrinkage low-heat low-carbon concrete, and has the technical characteristics that high-water-absorption autoclaved silicate functional aggregate is used to replace gravel and yellow sand, and the mass sum of fly ash and mineral powder in the cementing material can be up to 60% at most. The high-water-absorption water-saturated autoclaved silicate functional aggregate and the expanding agent are added into the concrete, the humidity is released through the functional aggregate, the internal curing and the expansion of the expanding agent are cooperated, the self-shrinkage, the drying shrinkage and the hydration heat shrinkage of the concrete are reduced, and the strength of the concrete is improved; the grading of the fine aggregate of the superfine yellow sand is improved through the addition of the fine functional aggregate, the working performance of the concrete is improved, and the low-carbon environmental protection of the concrete is realized through the large amount of mineral admixtures.

The utility model discloses an embedded flip parking stall lock convenient to maintain, including parking stall lock bottom cavity seat, the parking stall lock bottom cavity seat top surface rotation is connected with the flap component, and the flap component one side is provided with first access cover, and the flap component other side is provided with second access cover, and the parking stall lock bottom cavity seat inside is provided with monitoring part, and the monitoring part includes geomagnetic sensor and radar, and the parking stall lock bottom cavity seat inside still is provided with battery box, and the battery box is with monitoring part setting in first access cover just below, and the parking stall lock bottom cavity seat inside is provided with rotating mechanism, and the flap component one side is provided with angle sensor, and embedded installation reduces the damage of vehicle rolling and external force impact to parking stall lock, and good waterproof, anti -rust design can avoid internal component because of damp, rust and damage to prolong the service life of parking stall lock, and beautiful practical, and the design of ground level makes parking lot whole looks more neat and beautiful.

The invention discloses a data sample screening and reconstruction method in high nickel matte flotation process modeling, relates to the technical field of high nickel matte flotation process data modeling, and solves the technical problem of data validity in an actual modeling process. The method comprises the following steps: selecting a system lag parameter p according to the actual process of a high nickel matte flotation system, and reconstructing data samples; marking invalid data; integrating discontinuous data in time, and constructing mutually independent sample data sets; carrying out matrix recombination on the extracted samples, and carrying out RNN modeling. According to the invention, data are preprocessed according to the actual working condition of high nickel matte, invalid data are removed, and some data blocks which are discontinuous in time are obtained.

A biological agent packing material, its preparation method, and its reactor for the simultaneous removal of ammonia nitrogen and nitrate are disclosed. The steps include: sludge enrichment and acclimatization, preparation of biological agent, preparation of steel slag and coal gangue micro-packing material, and biofilm formation. The reactor includes, from top to bottom, steel slag and coal gangue microporous packing material, porous aeration plates, guide plates, a support layer, a microporous aeration system, and filter plates. A backwash valve is installed at the bottom of the reactor, and the flow rate is controlled by a backwash water tank through a backwash flow meter. Backwashing is achieved by an inlet pump pumping water in conjunction with the porous aeration plates. An exhaust port is provided at the top of the reactor, and the water discharged through the outlet enters a sedimentation tank for sedimentation and drainage. The steel slag and coal gangue microporous packing material used in this invention simultaneously removes ammonia nitrogen and nitrate under the driving action of iron circulation. The preparation process is simple, suitable for domestic sewage and industrial wastewater, and features no secondary pollution, high biological activity, low cost, and simple operation and management. It has significant effects in the simultaneous removal of ammonia nitrogen and nitrate.

This application provides a method for flotation separation of chalcopyrite and pyrite, relating to the field of mineral flotation. The method involves mixing and flotation of the minerals to be processed, including chalcopyrite and pyrite, with a chalcopyrite collector to obtain chalcopyrite concentrate and pyrite tailings. The general structural formula of the chalcopyrite collector is: [Formula omitted]. This chalcopyrite collector utilizes the high selective affinity of its propyne ester group for copper-active sites on the chalcopyrite surface and its inertness to iron sites on the pyrite surface, achieving precise identification and collection of chalcopyrite from the molecular structure of the reagent, significantly improving the grade and recovery rate of the copper concentrate. The R group is a hydrophobic group facing the pulp, significantly enhancing the surface hydrophobicity of the chalcopyrite particles, thereby enabling them to adhere to flotation bubbles and float.

This invention discloses a flotation recycling method for waste lithium-ion batteries that produces no fluorine and no carbon emissions. The method includes: subjecting a mixture of positive and negative electrodes from waste lithium-ion batteries to low-temperature treatment, causing the surface binder to deform and exposing the surface of the positive electrode material particles; performing at least one of the following steps: adjusting the treated material to obtain a flotation slurry; sequentially adding an organic hydrophilic inhibitor, a collector, and a frother to the flotation slurry for flotation to obtain sediment; adjusting the sediment, adding the collector and frother, and performing flotation again to obtain ternary lithium concentrate. This invention utilizes low-temperature treatment to shrink and deform the organic film on the surface of the positive electrode material particles, exposing the particles and amplifying the hydrophilicity / hydrophobicity difference between the positive electrode material and graphite. The organic hydrophilic inhibitor binds to the hydrophilic surface of the positive electrode material particles, inhibiting the floating of the positive electrode material, thereby enhancing the flotation separation effect.

This utility model discloses a rainproof and water-blocking structure for the lower frame of doors and windows, mainly composed of a water-blocking plate, a slot seat, and a snap-on edge with a snap-on head at one end and fixedly connected to the water-blocking plate at the other end. The slot seat has an upper fixed end and a lower fixed end located below the upper fixed end. The water-blocking plate is connected to the upper fixed end through its upper edge, and the snap-on edge is connected to the lower fixed end through its snap-on head. This utility model guides rainwater flow through the physical structure of the water-blocking plate, rather than relying on chemical waterproofing methods such as sealant to achieve waterproofing. Therefore, it reduces the dependence on auxiliary waterproofing methods such as sealant and significantly improves the reliability of waterproofing.

This invention proposes a honeysuckle fermented tea and its preparation method, including selecting unopened honeysuckle buds, blanching them to obtain honeysuckle bud blanching material; taking honeysuckle flowers and fragrant lotus flowers, withering them at low temperature, drying them, and pulverizing them to obtain composite flower powder; pre-treatment of honeysuckle branches and leaves: taking honeysuckle branches and leaves, withering them naturally to obtain withered branches and leaves; mixing some of the honeysuckle bud blanching material, flower powder, and withered branches and leaves, inoculating them with lactic acid bacteria solution, micro-fermenting them, mixing the micro-fermentation product with the honeysuckle bud blanching material, stirring, and steam drying to obtain honeysuckle fermented tea. The honeysuckle fermented tea obtained by this invention has a chlorogenic acid content of 1.75-2.14%. It has a fine, tight, uniform, clean, and greenish-yellow appearance. The aroma is harmonious with the floral fragrance, pure and long-lasting. The taste is sweet, smooth, fresh, and mellow. The tea soup is clear and bright. The tea leaves are tender, uniform, and bright. The sensory evaluation score is 97 points. It is of good quality, high grade, and has excellent brewing resistance. All tested items meet the requirements of GH / T1091-2014 "Substitute Tea". The product quality is stable.

This utility model discloses a beverage bottle with a puncture function, relating to the field of beverage packaging. The beverage bottle includes a bottle body, a storage bottle, a puncture component, an inner cap, and an outer cap. The outer diameter of the storage bottle is the same as that of the bottle body and is screwed onto the first opening of the bottle body via threads. The puncture component is axially movable within the sealed cavity of the storage bottle. The inner cap is screwed onto the second opening at the top of the storage bottle, and its driving structure is coupled with the movement of the puncture component. When screwed on, it pushes the puncture component downwards to puncture the bottom of the storage bottle through a sliding transmission on an inclined plane. The outer cap has the same outer diameter as the bottle body and is fitted over the inner cap. This utility model achieves a smooth transition in appearance, is easy and convenient to operate, and improves safety and product quality.

This invention discloses an enhanced leaching and purification method for tellurium in arsenic-antimony-tellurium alkaline slag, belonging to the field of solid waste resource utilization and rare and dispersed metal extraction in non-ferrous metal smelting. Using high-arsenic-antimony-tellurium alkaline slag as raw material, a mixed leaching method with tellurium-directed leaching agents is employed. Through the synergistic effect of "strong alkali complexation-reduction solubilization-high salt stable solubility," efficient tellurium leaching and directional retention of arsenic and antimony are achieved, resulting in a low-impurity tellurium-containing solution after solid-liquid separation. After pH adjustment, a one-step tellurium purification agent is added for reduction purification, directly preparing high-grade elemental tellurium. This invention overcomes the limitations of traditional step-by-step processes, with high tellurium recovery as the core technical objective, achieving efficient separation and one-step purification of tellurium from arsenic and antimony: tellurium leaching rate ≥95%, reduction purification rate ≥98%, total recovery rate ≥93%, product grade ≥99.5%; arsenic and antimony leaching rates ≤3.5% and ≤5.0%, respectively. The leaching residue and purified liquid can be recycled. The process is short, the reagent consumption is low, it is compatible with conventional equipment, and it is suitable for industrial promotion.

This invention discloses an automatic cotton picking robot, including a walking chassis with a ground clearance greater than the height of the cotton plant. A picking arm is installed at the front end of the walking chassis, and a suction-type picking head is provided at the end of the picking arm. An interception and clamping component is installed inside the picking head. When the suction picks cotton, it intercepts and clamps the cotton inside the picking head, and positive pressure pulse blowing is performed. A machine box is fixed on the chassis, and the machine box contains a cotton collection box, a negative pressure fan, a positive pressure fan, valve a, and valve b. This invention uses a "suction-clamp-blowing-suction" pre-impurity removal process to blow away most of the impurities before the cotton enters the conveying pipeline. This avoids impurities from entering the pipeline, cotton collection box, and getting entangled with the cotton fibers again during packaging and transportation, thereby reducing the impurity content from the source, improving the grade of lint cotton, and greatly reducing the impurity removal costs in the subsequent factory.

This invention relates to a method for enhancing the stirring intensity during vanadium extraction, belonging to the field of steel pretreatment. The method includes the following three steps: first, vanadium-containing molten iron is added to a converter; then, a top-and-bottom blowing process is used for smelting; coolant is added according to the composition and temperature at the smelting endpoint; finally, semi-steel is removed from the lance at the smelting endpoint. The top-blown gas is an oxygen-nitrogen mixture, and the total flow rate of the oxygen-nitrogen mixture is 31,000~35,000 Nm³. 3 / h; the oxygen consumption per ton of iron, the top blowing lance position, and the nitrogen consumption per ton of iron are controlled in segments according to the blowing period; the bottom blowing gas is nitrogen, and the nitrogen supply intensity is controlled in segments according to the blowing period. This invention significantly enhances the stirring intensity of the molten pool without significantly increasing the temperature rise rate through the synergistic effect of the high-flow-rate oxygen-nitrogen mixed gas from the top and the variable-flow-rate nitrogen from the bottom, thereby shortening the mixing time and enhancing the slag-metal reaction, further increasing the vanadium oxidation amount and further reducing the TFe content in the vanadium slag.

A device and method for selective reduction and stepwise smelting of limonite laterite nickel ore to produce nickel-cobalt alloy and molten iron belong to the field of mineral processing and metallurgical technology. The device includes a silo, a screw feeder, a multi-stage cyclone preheating and drying system, a flue gas dust removal system, a fluidized bed roasting main furnace heating system, a first cyclone separator, a fluidized bed reduction reactor, a second cyclone separator, a first electric furnace smelting reactor, and a second electric furnace smelting reactor. The method steps are as follows: limonite laterite nickel ore is placed in the silo; it is fed into the multi-stage cyclone preheating and drying system, preheated, and then enters the roasting main furnace for heating, dehydration, and decomposition to form dried material; after gas-solid separation, the solid material enters the reduction reactor, and the high-temperature flue gas is returned to the system for preheating and drying; nitrogen and reducing gas are introduced into the inlet of the reduction reactor respectively, forming reduced material that flows out from the outlet; the solid material after gas-solid separation enters the smelting reactor, and excess gas is burned for heating; the iron-rich slag is melted and reduced, and then discharged after smelting.

This invention belongs to the field of mineral resource recycling technology, specifically disclosing a beneficiation method for recovering ultra-low-grade scheelite from molybdenum tailings. For refractory scheelite with severe alteration and mudding, the method employs pre-slurry conditioning, enhanced pretreatment with reagents moved forward, followed by grinding and classification of the raw ore. By combining collectors, the refractory scheelite is synergistically recovered, ultimately obtaining a tungsten concentrate with a grade >26%, achieving a comprehensive actual recovery rate of 77%. This invention's process achieves full recovery and utilization of refractory scheelite resources in tailings, while reducing the operating costs of refractory ore recovery, creating considerable economic and social benefits.

The application provides a multi-modal automatic evaluation method and system for text-to-video, wherein the method comprises the following steps: constructing a Q-Save evaluation dataset, wherein the Q-Save evaluation dataset comprises a Prompt set containing dynamic elements, text-to-video, and labeled data, attribution text and MOS scores for each video; constructing an initial model based on a visual-linguistic large model, training the initial model by using the Q-Save evaluation dataset to obtain an evaluation model; taking a to-be-predicted text-to-video as an input of the evaluation model, and performing weighted average processing on the model output to obtain a final prediction score and attribution. The application can guarantee the video quality scoring capability and also provides reliable fine-grained attribution capability.

The utility model belongs to the field of packing carton, concretely relates to a pull-out type packing carton with electronic instruction manual two-dimensional code, including flat square outer box and inner box, its characterized in that the top surface and right side of outer box are open design, are equipped with outer box top surface opening and outer box right side opening respectively, the left side of inner box is open design, is equipped with inner box left side opening, the right end of outer box bottom plate is equipped with the turnover board extending outward, the crease line between the turnover board and the right end of outer box bottom plate is equipped with, the outer wall of inner box right side board and turnover board are pasted together, and the outer wall of one of inner box or outer box side board is printed with electronic instruction manual two-dimensional code. The utility model has the advantages of reasonable structure, convenient production, flexible and convenient use. The utility model adopts the opening mode of rotary pull-out, and the opening mode is novel, and the electronic instruction manual two-dimensional code can be hidden, and the utility model is flexible and convenient to use and has certain anti-fake effect.

This invention discloses a rotary reaction apparatus and process suitable for high-temperature molten salt pyrolysis of biomass. The reaction apparatus includes a molten salt purging device, a molten salt inlet, a compartmentalized molten salt tank, an integrated stage, a nickel-based alloy mesh, a motor, a reaction apparatus shell, a gas detection system, a temperature detection and control system, baffles, and a heating layer. The apparatus is made of high-temperature and corrosion-resistant materials, making it suitable for high-temperature and highly corrosive environments. Based on the synergistic effect of the molten salt characteristics and the reaction apparatus, the utilization efficiency of the molten salt is effectively improved and the mass and heat transfer processes are enhanced through the significant thinning and renewal rate of the liquid film under hypergravity conditions. By adjusting the molten salt feed rate and the rotation speed of the rotary table, the pyrolysis process under different mass and heat transfer efficiencies can be explored. This invention can be extended to reaction systems such as liquid metals. The assembly of this invention is relatively efficient, with low investment, and it can explore the influence of mass and heat transfer during the pyrolysis process on the products, thereby obtaining relevant thermodynamic and kinetic parameters.

The application provides a supercritical carbon dioxide heat exchange system and a waste heat recovery method, and belongs to the technical field of energy and thermal equipment. The system adopts a differential flow channel design combining a large-pitch channel on the flue gas side and a micro-channel on the carbon dioxide side, and integrates an online pulse soot blowing device taking preheated compressed air as a medium. Meanwhile, the heat exchange core adopts a nickel-based alloy material with smooth surface treatment to inhibit ash adhesion. The heat exchanger can be integrated in a supercritical CO2 Brayton cycle power generation system, soot blowing is triggered by intelligently monitoring pressure drop or temperature difference, and soot blowing is realized without stopping. The application fundamentally solves the problems of blockage and ash deposition of high-efficiency heat exchangers under the working condition of ash-containing flue gas, ensures that the waste heat recovery system can operate long-term, stably and efficiently, and significantly improves the energy utilization efficiency and system economy.

This invention discloses a method for preparing 4N ammonium permanganate from low-concentration rhenium-containing waste acid, which is divided into a crude refining stage and a refining stage. The crude refining stage includes a rhenium precipitation process, a leaching process, a hydrolysis process, an acidification process, an extraction process, a back-extraction process, and a crystallization process. The refining stage includes a crude ammonium permanganate dissolution process, an ion exchange process, an extraction process, a back-extraction process, a crystallization process, and a nitration-recrystallization process, ultimately obtaining ammonium permanganate with a purity of 99.99%. In the crude refining stage, this invention first prepares 4N ammonium permanganate from low-concentration rhenium-containing waste acid. Rhenium is efficiently and selectively enriched in concentrated waste acid to obtain a 1% grade rhenium precipitate. Then, a weak oxidation leaching process is used to remove impurities from the precipitate, followed by calcium hydroxide hydrolysis, acidification, high-efficiency extraction, back-extraction, and crystallization to obtain a crude ammonium perrhenate product with a grade of ≥99%. In the refining stage, the crude ammonium perrhenate is dissolved a second time, and a resin ion exchange, extraction, back-extraction, and crystallization process is used to obtain a refined ammonium perrhenate with a grade of ≥99.9%. Finally, a nitration-recrystallization process is used to remove impurities from the refined ammonium perrhenate to achieve a 4N grade quality.

This utility model discloses an ambient light for rail transit, comprising a housing, a light diffusion substrate, a light source assembly, and a light-shielding layer. The housing has a mounting groove, in which the light diffusion substrate is embedded. The back side of the light diffusion substrate has a receiving slot extending along its length. The light source assembly is disposed inside the receiving slot and includes a flexible PCB board and LED particles arrayed thereon. The light-shielding layer covers the light source assembly, so that the top side of the light diffusion substrate serves as the light-emitting surface. The sidewall of the housing has a clamping structure for detachable connection. Through the above methods, this utility model has a compact structure, is easy to install, and offers rich colors. The light is concentrated and emitted from the side, achieving the purpose of a linear light source. It can effectively adapt to the complex environment of rail transit, providing a stable and comfortable lighting atmosphere inside the carriage.

The application belongs to the field of pellet binders, and particularly relates to a plastic iron ore tailing-based pellet binder, a preparation method thereof and application. The preparation method comprises the following steps: mixing and modifying raw materials of plastic iron ore tailing and a modifier to obtain the plastic iron ore tailing-based pellet binder. The modifier comprises at least one of component A and component B. The component A comprises a sodium humate component. The component B is a raw material for preparing the component A. The plastic iron ore tailing is mixed and modified by the component A and / or the component B, so that the binding performance of the prepared iron ore-based binder can be significantly optimized based on the physicochemical characteristics of the components, and good green ball and indurated pellet indexes can be obtained at a lower addition amount.

This invention belongs to the field of waste gas recovery technology, specifically relating to a treatment process and apparatus for low-grade ammonia-containing waste heat steam. The process involves compressing and heating the ammonia-containing waste heat steam to obtain superheated steam. A portion of the superheated steam is exchanged with the bottom liquid of a deammoniation tower to obtain dilute ammonia water and a heated bottom liquid. The remaining superheated steam is exchanged with cold water to obtain dilute ammonia water and hot water. The hot water is then flash-evaporated to obtain secondary steam and saturated water. The secondary steam is then compressed, humidified, and saturated to obtain high-grade steam. The dilute ammonia water undergoes deammoniation treatment to obtain concentrated ammonia water. This invention's treatment process fully utilizes the heat from the ammonia-containing waste heat steam to heat the bottom liquid and cold water of the deammoniation tower, which is beneficial for energy saving in the deammoniation process, recovering ammonia resources, and co-producing high-grade steam. This eliminates the need for large amounts of process water, improves ammonia recovery efficiency, and avoids the generation of ammonium salt waste liquid, reducing water treatment costs and possessing high economic value.

The application provides a compressed gas energy storage device, which comprises a heat storage subsystem, a cold storage subsystem and a cold and heat energy generation subsystem; the heat storage subsystem comprises a first motor, a first compressor and a heat storage device, the outlet of the first compressor is connected with the inlet of the heat storage device, and the first motor is electrically connected with the first compressor; the cold storage subsystem comprises a cold storage device; the cold and heat energy generation subsystem comprises a second compressor and a first expander which are coaxially arranged; a first three-way valve and a second three-way valve are arranged on a pipeline; the first passage of the first three-way valve is connected with the outlet pipeline of the cold storage device, the second passage is connected with the inlet pipeline of the second compressor, and the third passage is connected with the inlet pipeline of the cold storage device; the fourth passage of the second three-way valve is connected with the outlet pipeline of the heat storage device, the fifth passage is connected with the inlet pipeline of the first expander, the sixth passage is connected with the outlet pipeline of the first compressor, and the second compressor is connected with the inlet pipeline of the heat storage device through a pipeline.

The application discloses a preparation method of sunflower seed protein powder based on dry separation. The method combines subcritical extraction, drying treatment, fine crushing, screening and airflow classification technology to efficiently prepare sunflower seed protein powder with high natural functional property retention rate. The specific steps include: firstly, finely crushing selected sunflower seeds to obtain sunflower seed coarse powder, then using subcritical extraction technology to defat the sunflower seed coarse powder to obtain sunflower seed meal; then, fine crushing the sunflower seed meal and drying treatment to adjust the moisture content; then, the crushed product after drying treatment is preliminarily screened through a vibrating screen; then, the undersize components obtained by screening are separated through an airflow classifier, and finally, sunflower seed protein powder is successfully prepared. The application takes dry separation technology as the core to prepare sunflower seed protein powder, and has high protein content and extraction rate. Compared with the traditional wet method, the method is simple in process and low in cost, can effectively reduce protein denaturation and environmental pollution, and is more conducive to retaining the natural functional properties of sunflower seed protein.

This invention discloses a method for preparing a microcapsule-structured specialty coffee extract, the extract itself, and its applications, belonging to the field of fragrance and flavor technology. The method includes: adding an emulsifier to the specialty coffee extract and emulsifying it at 1530°C to obtain an emulsion; preheating a melamine resin prepolymer to 4045°C and adding it to the emulsion; raising the temperature to 4550°C within 15 minutes and adjusting the pH to 4.5-5.5 for the first stage reaction; then raising the temperature to 6080°C for the second stage reaction; and finally cooling and adjusting the pH to 7.5-8.5 to terminate the reaction, thus obtaining the microcapsule-structured specialty coffee extract. This invention, through room-temperature emulsification and a two-stage temperature-controlled process, effectively preserves the complex aroma of the specialty coffee extract. The resulting microcapsule structure is dense and stable, possessing both sustained-release and rapid aroma release via friction, significantly extending the aroma retention time. This invention also provides the application of the microcapsule-structured specialty coffee extract in the preparation of pet products.

The application discloses a kind of automatic wharf horizontal transport equipment dirty detection method and device, construct first level convolutional neural network for detecting IGV from image and second level convolutional neural network for detecting dirty area from IGV, first level convolutional neural network and second level convolutional neural network are constructed into double-branch cascade detection model, the original image obtained from the automatic wharf operation scene is input as the double-branch cascade detection model, and the first level convolutional neural network identifies IGV from complex scene, and outputs the image labeled IGV boundary box, according to the boundary box, IGV subgraph containing only IGV image is cut out from image, so as to remove background interference and transmit to second level convolutional neural network, and second level convolutional neural network focuses on detecting dirty area from IGV subgraph, so as to improve the detection efficiency and detection precision of IGV dirty area.