74results about How to "Fully moist" patented technology

The invention discloses an agricultural thin-film laminating device on which water can be sprayed. The agricultural thin-film laminating device comprises a transverse plate, a film rolling wheel with thin film is installed on a rotary shaft, a guide roller is installed on a mounting frame, a piston is arranged inside a cylinder, a piston rod of which one end protrudes out of the cylinder is arranged at the right end face of the piston, a second support is provided with a transverse shaft, the transverse shaft is provided with a semicircular tooth gear, the semicircular tooth gear is located between two rackrs, one end of the transverse shaft is connected with a driving motor arranged on the second support, the other end of the transverse shaft is connected with one end of a conveying shaft through a conveying mechanism, the bottom ends of two water outlet pipes are connected with a spray pipe installed at the bottom of the transverse plate, the spray pipe is provided with multiple nozzles, and the water inlet branch pipes and the water outlet pipes are all provided with one-way valves; a crushing mechanism is further arranged at the lower end face of the transverse plate. The agricultural thin-film laminating device on which water can be sprayed is simple in structure, high in laminating efficiency, easy to operate and high in practicability, and can crush soil and effectively lower manual labor.

The invention discloses a method for selectively enriching scandium from Bayer process red mud. The method is characterized in that the Bayer process red mud is used as a raw material, the red mud isfully wet by adding an appropriate amount of water, the red mud is sulphated by using concentrated sulfuric acid and is then calcined at a high temperature, the solid calcined product is mechanicallyactivated by grinding and is then subjected to four-stage water immersion and washing, so that a scandium-rich leaching solution, scandium-rich washing liquid and low-alkali iron-rich slag are obtained. The method enables most of scandium to be leached, but the leaching rates of impurity iron and aluminum are low, and silicon and titanium are not leached substantially, so that the formation of colloidal silicate in the leaching solution is avoided, and the selective absorption and extraction of the scandium in the subsequent leaching solution are facilitated; the generated sulfur dioxide and sulfur trioxide can be reused in the preparation of sulfuric acid, so that the production of a large amount of waste acid is avoided; the pH of the low-alkali iron-rich slag is close to neutral, and can be used in the industries such as iron making, adsorbents, ceramics, construction and the like, so that a new way is provided for the extraction of the scandium and the comprehensive utilization ofthe red mud.

The invention discloses a plating auxiliary for hot dip aluminum plating and a hot dip aluminum plating process for a steel structural part and belongs to the technical field of metal corrosion prevention surface engineering. The plating auxiliary is characterized by being composed of the following components, by weight, of 1.5%-3% of NaCl, 3.8%-5.2% of KF, 1.8%-2.5% of ZnCl2 and the balance water. The plating auxiliary and the hot dip aluminum plating process are adopted for steel part surface aluminum plating, the plating is smooth and bright, generation of plating leakage and convex points is avoided on the surface of the plating, the thickness of the plating is more than 140 [mu]m, and the thicknesses of the plating and an alloy layer are even. After steel part assisted plating, the plating auxiliary forms a uniform covering layer, iron salt and oxides remaining on the workpiece surface can be removed, a workpiece can be prevented from being oxidized before dipping in a melting alloy, and the workpiece can be quickly decomposed or melted when meeting the melting alloy again, it is guaranteed that the molten metal fully wets the workpiece, and strong corrosion inhibition and plating assisting effects are achieved.

The invention relates to a cleaning device for inner tubes of solar vacuum tubes. The cleaning device comprises a cleaning tank, a partition plate is arranged in the cleaning tank and partitions the cleaning tank into a cleaning cavity and a drying cavity, a cleaning drum is transversely arranged in the middle of the cleaning cavity, two ends of the cleaning drum penetrates out of the left side wall of the cleaning cavity and the partition plate respectively, a wiping through hole is longitudinally formed in the center of a drying block which is arranged in the middle of the drying cavity, and the right side wall of the drying cavity is provided with an inner pipe outlet. At least one water nozzle is arranged at the edge of the upper opening of the cleaning tank and aligned to the cleaning drum, and the bottom of the cleaning tank is provided with at least one drainage outlet. The cleaning device for the inner tubes of the solar vacuum tubes is simple in structure and high in cleanliness, water can be saved while complete moisture of flexible cleaning strips is guaranteed by adopting the nozzles for spraying; owing to drying blocks, a drying function can be realized during cleaning.

The invention relates to the field of coatings and provides a water-oil universal color paste prepared by a reasonable dispersant system. A hydrophilic nonionic surfactant is used as a first dispersant, and a second dispersing agent synergistically interacting with the first dispersing agent is adopted, so that a pigment can be sufficiently dispersed in a water-oil system. At the same time, wateris adopted as a main solvent, and the paste is environmentally friendly and free of toxicity. The color paste production cost is reduced. A preparation method of the water-oil universal color paste isfurther provided. The process is simple and feasible and easy to popularize.

The invention discloses a Chinese medicinal preparation for treating cold stuffy nasal obstruction. The Chinese medicinal preparation is prepared from the following raw material medicaments in parts by weight: 3-15 parts of lonicera japonica, 3-15 parts of weeping forsythiae capsule, 5-10 parts of houttuynia cordata, 3-5 parts of ephedra herb, 2-6 parts of ginger, 8-12 parts of burdock, 5-15 parts of divaricate saposhnikovia root, 1-3 parts of Cherokee rose fruit, 1-3 parts of illicium verum, 3-8 parts of azalea, 10-40 parts of mung beans, and 2-4 parts of tuber onion seed. Through clinical application and observation, the Chinese medicinal preparation for treating the cold stuffy nasal obstruction has the advantages of quick response, good curative effective, complete cure and no toxic and side effects.

The invention discloses a preparation method of a modified coating of a carbon fiber surface, relating to the field of preparation of carbon fiber. The invention aims at solving the problem of a weak interface between the carbon fiber and resin matrix in the existing carbon fiber composite material. The invention comprises the following operations of 1. prepolymerization of phenolic resin slurry; 2. coating of phenolic resin slurry; 3. curing of phenolic resin; and 4. carbonization of phenolic resin. The interlayer shearing strength of the full-carbon coating of the carbon fiber surface prepared by the preparation method is improved by 12-15%; the fiber absorption ability is obviously improved and the full-carbon coating is a good catalyst carrier. The carbon fiber full-carbon coating structure disclosed by the invention is controllable, and can provide different functions to the carbon fiber or can be applied to different varieties of resin matrix composite materials by adjusting the chemical ingredients and ingredient proportions of phenolic aldehyde. According to the preparation method disclosed by the invention, the simplicity, high efficiency and good effect are realized and industrial production is easy. The preparation method is applied to the fields such as aviation, spaceflight, military affairs, buildings and the like.

The invention relates to a preparation method of a self-humidifying membrane electrode for a fuel cell. The preparation process of the membrane electrode comprises the following steps: pretreating a proton exchange membrane; preparing an anode hydrophilic catalytic layer; preparing a cathode catalyst layer; respectively laminating gas diffusion layers to prepare the self-humidifying membrane electrode; wherein the anode hydrophilic material chitin can play a good role in water retention, moisture generated by reaction in the cathode catalyst layer is absorbed and retained, the proton exchange membrane is fully wetted, and good proton conduction capability of the proton exchange membrane is kept; the self-humidifying membrane electrode can have excellent performance under a low-humidity condition, the influence of adding hydrophilic substances on the electrical conductivity and resistance of the electrode is reduced, and the preparation process of the membrane electrode is simplified.

The invention discloses a method and a device for cleaning sand gravel. The method for cleaning the sand gravel comprises the following steps of: allowing fine aggregate which is fed by primary sieving conveying equipment (6) to fall into a mortar mixer (1), injecting clean water from a water filling nozzle (4), rotating a stirring arm (2) under the drive of a drive motor (3) to stir and extrude the fine aggregate in water, and fully wetting and dissolving soil adhered to the sand gravel in water; and extruding from a discharge hole (5) when the fine aggregate is stacked to the height of the discharge hole (5), and allowing the fine aggregate to fall onto secondary sieving conveying equipment, and sieving and washing. In the device for cleaning the sand gravel, the primary sieving conveying equipment (6) is arranged above the left side of the mortar mixer (1), the water filling nozzle (4) is formed above the right side of the mortar mixer (1), the discharge hole (5) is formed on the right side of a machine body of the mortar mixer (1) and above the stirring arm (2), and the secondary sieving conveying equipment (7) is arranged below the discharge hole (5).

A hot air convection type microwave oven with a steaming function comprises an oven body of which the top is provided with a hot air generator. A water tank is arranged in the oven body; one end of a pumping pipeline is connected with the water tank through a water pump and the other end reaches into a heating cavity of the hot air generator so as to generate high-temperature steam from liquid water directly running through the high-temperature heating cavity. The hot air generator comprises a heat collecting cover, a fan and a heating pipe. The bottom face of the heat collecting cover is connected with a roof plate of an oven cavity, and the inner bottom face of the heat collecting cover is provided with a fan. A shaft core of the fan reaches out the roof of the heat collecting cover and then is in transmission connection with a cooling motor. The heating pipe is arranged in the heating cavity between the heat collecting cover and the oven cavity. In order to better control water output, a nozzle is arranged at a water outlet end of a pumping pipeline; a concave face corresponding to the nozzle which contains and fully evaporates the liquid water is arranged on the roof plate of the oven cavity. The hot air convection type microwave oven has a simple and reasonable structure, high energy efficiency, a low manufacturing cost and a plurality of cooking functions, and uniformly heats and is easily cleaned.

The invention discloses a flower and plant planting greenhouse. The flower and plant planting greenhouse comprises a greenhouse body, wherein the top part of the greenhouse body is provided with a greenhouse ceiling; the exterior of the greenhouse ceiling is provided with a solar cell panel and a storage battery box; the bottom part of the inner chamber of the greenhouse body is provided with a plurality of flower and plant planting boxes; the side walls of the greenhouse body are respectively provided with a heat storage plate; the inner side of the greenhouse ceiling is provided with a waterspray pipe which is provided with a plurality of spray heads; an LED lamp is arranged between every two adjacent spray heads; LED lamps are electrically connected with a storage battery arranged in the storage battery box; the water spray pipe communicates with a water tank located at the exterior of the greenhouse body; and a high-pressure water pump is arranged in the water tank. The flower andplant planting greenhouse provided by the invention has novel structure design and good heat-preserving effect, can realize automatic spraying at the same time, and can improve the planting efficiency of flowers and plants.

The invention relates to a cleaning device, a scrubber and a sweeper. The cleaning device comprises a support, cleaning cloth, a scraper and a structure used for wetting the cleaning cloth, the support is used for supporting the cleaning cloth and the scraper, the working face of the scraper is arranged below the cleaning cloth and abuts against the cleaning cloth, the working face of the scraper is further provided with a suction port, the cleaning cloth is used for mopping the floor, the cleaning cloth can move relative to the scraper, the working face of the scraper is used for scraping the cleaning cloth and squeezing sewage on the cleaning cloth when the scraper and the cleaning cloth move relative to each other, the squeezed sewage and the scraped dirt fall into the suction port, and a sewage channel communicated with the suction port is further formed in the scraper. After the cleaning cloth is wetted, the ground can be mopped in a wet mode, after the cleaning cloth becomes dirty, dirt on the cleaning cloth can be scraped off through the scraper, sewage on the cleaning cloth is squeezed, the cleaning cloth can be cleaned in time, the sewage and the dirt fall into the suction port and can be treated in time through the sewage channel, no trace is left on the ground, and the ground cleaning effect is good.

The invention relates to a coal water slurry dispersing stabilizer, and belongs to the technical field of coal water slurry processing. The coal water slurry dispersing stabilizer is composed of the following raw materials by weight: 10 parts of sodium lignosulfonate, 3.2-3.5 parts of modified starch, 1.7-2.0 parts of hydroxymethyl cellulose, 2.3-2.7 parts of poly methyl acrylate, 1.8-2.3 parts of polyepoxysuccinic acid and 1.2-1.5 parts of methyl benzotriazole. According to the invention, the existing surface active agents are selected and combined according to a certain ratio, so that the surface active agents with different functions mutually coordinate to realize excellent dispersion effect. Specifically, the dispersing stabilizer can reduce the surface tension of water, increase the surface tension of coal, reduce the interfacial tension between the two liquid, so that the coal water slurry can be fully wet. The hydration film can separate the coal particles and reduce the resistance of the coal particles, so as to reduce the viscosity effect.

The invention relates to automatic equipment, in particular to automatic equipment for laser cutting of a belt. The fully automatic equipment for the laser cutting of the belt comprises a laser device, a water spraying mechanism, a traction mechanism, a material conveying mechanism, a working table and a bracket, wherein the working table is fixedly connected to the bracket; the traction mechanism is fixedly connected to the working table; the material conveying mechanism is fixedly connected to the working table; the water spraying mechanism is fixedly connected to the bracket; the laser device is fixedly connected to the bracket; the laser device is located above the working table. Due to the cooperative operation of the water spraying mechanism, the traction mechanism and the material conveying mechanism, the operations such as stretching, cutting and material falling are repeatedly performed so as to fully automatically realize automatic laser cutting of the belt and control the laser cutting effect of the belt; and therefore, the production efficiency and the quality of a product are improved.

The invention discloses a spiral propelling device which comprises an outer tube, a rotating shaft and a spiral conveying plate. The rotating shaft and the spiral conveying plate are arranged inside the outer tube, the spiral conveying plate is provided with a scraper blade which protrudes out of the spiral conveying plate. Thus, the spiral propelling device is capable of effectively solving the problems of unevenness of water moistening humidity caused by inconsistent density of materials needing to be transported.

According to the high-thickness high-strength light-cured silicon nitride ceramic and the preparation method thereof, in the preparation process, a low-temperature pore-forming agent PEG is added into ceramic paste, so that in the later degreasing process, the maximum degreasing thickness of the silicon nitride ceramic is increased to 8 mm, the degreasing time is only 60 h, and the degreasing rate can reach 99% or above. According to the characteristics that PEG is volatilized at the temperature of 200-300 DEG C and spherical holes are left, firstly, macromolecular cracking and low-temperature pore-forming agent removal are carried out in an argon atmosphere, the low-temperature pore-forming agent can be almost completely removed at the temperature of 300 DEG C, and a channel is provided for follow-up escape of small molecules. In the process, a channel is reserved in a green body in advance in the ceramic green body degreasing process, so that subsequent high-temperature removal of photosensitive resin is facilitated (cracking deformation is avoided, and the limit degreasing thickness is increased).

The invention discloses a circular-net humidifying device of a wool top outlet rack. The circular-net humidifying device comprises a fixing rack, a net cylinder and a suction fan. A steam humidifying pipeline supporting frame is fixed on the upper surface of the fixing rack. The net cylinder is arranged above the fixing rack, a plurality of humidifying air suction holes are evenly formed in the outer surface of the net cylinder, and supporting rollers are arranged at the two ends of the net cylinder. An air suction pipeline is arranged at one end of the net cylinder, a driving wheel is arranged at the other end of the net cylinder, and the driving wheel is driven by a motor to rotate. A steam humidifying pipeline is arranged above the net cylinder, and a plurality of humidifying air outlet holes are evenly formed in the outer surface, right opposite to the net cylinder, of the steam humidifying pipeline. The suction fan is connected to the other end of the air suction pipeline, and the lower end of the suction fan is connected with a drying oven. The circular-net humidifying device of the wool top outlet rack has the advantages of being reasonable in design, simple in structure, convenient to operate, good in humidity effect, even in dyeing, capable of saving cost and convenient to popularize.

The invention discloses an LED support electroplating method and an LED support. The invention relates to the technical field of electroplating. The method comprises the following steps of: 1, performing electroplating pretreatment on an LED support, cleaning dust and impurities on the surface of an LED support material, performing smooth surface treatment, uniformly fixing the LED support material by using a hanger, flushing the surface of the LED support material by using clear water, and activating the surface of the LED support material by using a plating aid; 2, carrying out first-stage electroplating. According to the invention, after first-stage electroplating, second-stage electroplating, third-stage electroplating and fourth-stage electroplating are performed, the surface of eachcoating is uniformly sprayed by using a flame gun; the coatings are made to tend to be melted, homogenized and then naturally cooled to form a coating crystallization structure, molecules are compactand uniform, the coverage rate is good, good heat conductivity and heat conduction performance are guaranteed, the LED support is connected with a heat conduction rod, the LED support is integrally heated and annealed, all structural layers of the LED support are fused, the integration degree is high, and the overall physical performance of the support is improved.

The invention relates to a preparation method of a carbon fiber surface full-carbon coating, relating to the field of preparation of carbon fibers and solving the problem of weak interface between the carbon fiber and a resin matrix in the existing carbon fiber composite material. The preparation method comprises the following steps of: 1, treating a carbon fiber; 2, pre-polymerizing phenolic resin; 3, coating phenolic resin slurry; 4, curing the phenolic resin; and 5, carbonizing the phenolic resin. The interlaminar shear strength of the prepared carbon fiber surface full-carbon coating is respectively improved by 12-53 percent; and the fiber adsorption capacity is remarkably improved; and the carbon fiber surface full-carbon coating is a good catalyst carrier. The carbon fiber surface full-carbon coating is controllable in structure; different functions can be endowed on the carbon fiber or the carbon fiber can be applied to different kinds of resin matrix composite materials through regulating the chemical composition and the component proportioning of phenolic aldehyde. The preparation method has the advantages of simplicity in operation, high efficiency and good effect; and the industrialized production is easily realized. The carbon fiber surface full-carbon coating is applied to the fields such as aviation, aerospace, military and building.