31results about How to "Granulation realization" patented technology

The invention discloses a method for preparing a cathode material of tin-carbon lithium ion cathode material. The method comprises the following steps: (1) performing doping modification on tin dioxide, namely weighing certain amounts of nano tin dioxide and red copper oxide in a ratio of 100:(10-50), performing dry-method ball milling for 1 hour; and performing carbon heat reduction in an atmosphere furnace; (2) performing composite pelletizing on a tin dioxide modification product with graphite; (3) performing secondary wrapping modification. According to the method, as the tin dioxide is subjected to doping modification with the red copper oxide, the expansion property of a tin-carbon compound can be degraded, and the circulation property can be improved; due to two times of pelletization with processes of molding, roasting and dispersion formation, the method is short in time, simple in process and easy in industrial large-scale production; meanwhile, advantages of pelletization oftin dioxide and graphite and graphite and graphite can be achieved, and a function of surface modification upon the graphite with the tin dioxide can be also achieved; due to two times of coating, surface defects caused in the two times of pelletization process can be remarkably alleviated, and the first efficiency and the circulation property of a product can be improved.

The invention discloses a preparation method for trimanganese tetraoxide. The preparation method comprises the following steps: pumping a manganese sulfate solution into a disc granulator, performing crystallization decomposition and rotary granulation under radiation of microwave irradiation, and washing and drying granules obtained by granulation to obtain the trimanganese tetraoxide, wherein the temperature of the microwave irradiation is 900 to 1,200 DEG C; the rotating speed of a disc of the disc granulator is 10 to 30r / min. In addition, the invention further discloses application of the trimanganese tetraoxide prepared by the preparation method to preparation of a cathode material. According to the preparation method and the application, crystallization and granulation are performed under the synergistic action of a rotating parameter of the disc granulator and the microwave radiation, so that preparation of the trimanganese tetraoxide with high purity, large specific gravity and uniform granularity distribution is facilitated, and problems about treatment of ammonium salt wastewater produced by an existing universal process of preparing trimanganese tetraoxide by virtue of a wet manganese sulfate oxidization method are solved; the method is short in process flow, easy to control and suitable for industrial production.

The invention discloses a preparation method and a preparation system for insoluble sulfur. The preparation system includes a polymerization kettle, a quenching device, a drying and curing unit; The outlet of the cooling device is connected to the inlet of the drying unit through a pipeline; the quenching device includes a shell, and the inside of the shell includes a feed quenching section, a material conveying section and a discharge section according to the flow direction of the material; the feed The quenching section is equipped with a feed distributor and a quenching liquid distributor. The material conveying section includes several layers of conveyor belts. Both ends of each layer of conveyor belts are equipped with fixed shafts, and a discharger is installed in the discharge section. At the same time, a method for preparing insoluble sulfur using the above preparation system is also provided. The insoluble sulfur preparation method and preparation system of the present invention can realize continuous quenching and continuous extraction of polymerized sulfur through continuous granulation, continuous transportation, and continuous cycle extraction of the extractant, so as to ensure the purity, thermal stability and yield of the product, and are suitable for large-scale continuous chemical production.

The invention relates to a microcapsule granulation device. The microcapsule granulation system is provided with a granulation tower, a slurry supply pipeline, a drying fluidized bed, a finished product storage hopper, an encrusting auxiliary material storage hopper and a feed mechanism. Encrusting auxiliary material is delivered into the granulation tower through the bottom of the encrusting auxiliary material storage hopper; slurry enters a granulation head through the slurry supply pipeline and is thrown into the granulation tower to form innumerable spherical liquid beads; the spherical liquid beads are enwrapped by the encrusting auxiliary material, and water is extracted to form microcapsule granules; the microcapsule granules and most of the encrusting auxiliary material fall into the drying fluidized bed from the granulation tower to be dried for the second time, and the microcapsule granules and the encrusting auxiliary material are separated while drying, then the encrusting auxiliary material is delivered into the encrusting auxiliary material storage hopper for cyclic utilization; and the microcapsule granules enter the finished product storage hopper. The invention performs drying granulation through the encrusting auxiliary material. For general materials, the encrusting auxiliary material is heated to certain temperature through hot air for granulation according to the requirement, and for heat-sensitive and oxidizable materials, low-temperature granulation can be realized. The granule circular degree of the products is good, and the granulation effect is perfect.

The invention relates to the technical field of processing systems in the powdery material process and discloses an inert atmosphere granulation system. The inert atmosphere granulation system comprises a feeding device, a granulation device, an inert atmosphere device and an exhaust device, wherein the granulation device comprises a high-temperature spraying granulating machine, a condensing tower and a discharging hole, the high-temperature spraying granulating machine is distributed in the condensing tower, and the discharging hole is formed in the bottom of the condensing tower; the inert atmosphere device comprises an inert gas source and a wind supply pump; the feeding device is connected with the high-temperature spraying granulating machine and is used for conveying materials in the feeding device to the high-temperature spraying granulating machine, the high-temperature spraying granulating machine is used for spraying the materials into the condensing tower, and the inert gas source is in tight connection with an wind inlet of the condensing tower through the wind supply pump and is used for conveying inert gas into the condensing tower so as to granulate the materials sprayed into the condensing tower by the high-temperature spraying granulating machine in an inert gas environment; the exhaust device is used for exhausting waste gas in the condensing tower. By utilizing the inert atmosphere granulation system, the granulation of high-melting-point substances or water and oxygen sensitive powder is realized.

The invention discloses an extrusion die for biomass fuel. The extrusion die comprises a positioning head, wherein a plurality of through holes are formed in the positioning head; granulation units are arranged in the through holes in a detachable manner; a rotating shaft is arranged on the positioning head; a segmenting knife is arranged on the rotating shaft; and the rotating shaft is connectedwith a positioning shaft. According to the extrusion die disclosed by the invention, the granulation units are arranged in the detachable manner, so that granulation of different types of biomass fuelis realized, the application range of the device is widened, the maintenance is convenient, and the manpower and material resources are saved. Moreover, the produced biomass fuel has a hollow structure, and is large in contact area with oxygen and high in combustion efficiency.

The invention discloses a composite modifier and a high-scattering-resistance drainage asphalt concrete prepared through the same and relates to the field of road engineering materials. The composite modifier is composed of base materials, fiber, comprehensive additives, cross-linking agent and cross-linking promoter, wherein the base materials are composed of SBS (styrene-butadiene-styrene) modifier, SBR (styrene butadiene rubber) modifier and solubilizer. The drainage asphalt concrete prepared through the composite modifier is high in scattering resistance. Through field deployment of conventional asphalt, aggregate, mineral powder and the composite modifier, a high-performance and stable-performance drainage mixture can obtained and meanwhile is more stable in properties compared with those applying modified asphalt, so that worries on storage segregation and performance degradation of the modified asphalt can be saved, and meanwhile construction deficiencies of dispersing non-uniformity of fiber deployment and grease spots can be completely avoided.

The invention discloses a continuous quenching device for insoluble sulfur. The quenching device includes a shell, and the inside of the shell includes a feeding quenching section, a material conveying section and a discharging section according to the flow direction of the material; the feeding The quenching section is equipped with a feed distributor and a quenching liquid distributor. The material conveying section includes several layers of conveyor belts. Both ends of each layer of conveyor belts are equipped with fixed rotating shafts, and a discharge device is installed in the discharge section. The insoluble sulfur continuous quenching device can realize continuous quenching of polymerized sulfur through continuous granulation and continuous transportation, achieve the consistency of quenching time of polymerized sulfur, and ensure the yield and thermal stability of quenched products.