49results about How to "Continuous in and out" patented technology

The invention discloses a method for continuously preparing high-purity low-chloride electroplating copper oxide. According to the method, pure copper, liquid ammonia and high-purity carbon dioxide are taken as raw materials for producing high-purity basic cupric carbonate, so that the problem of impurities such as chlorine and the like in the conventional method for producing the raw materials of the basic cupric carbonate is avoided and the purity of the basic cupric carbonate is improved; and the high-purity basic cupric carbonate is calcined through a rotary electric furnace without scale on the inner wall for continuously preparing the electroplating copper oxide, so that the shortcomings of low content of the basic cupric carbonate due to no complete combustion of the basic cupric carbonate at the low-temperature part and complete combustion of the copper oxide at the high-temperature part in the static calcining process of a pushed slab kiln, loss of activity, high impurity content, high labor intensity, discontinuity in production, long cycle, high energy consumption, high cost and the like are overcome, the product activity is guaranteed, the product quality is high, the energy consumption is low, the cost is low, and the environment is more protected.

The invention discloses a rotary electric furnace and a method for preparing high-activity electro-plated copper oxide by using the rotary electric furnace. At least one percussion device is arranged on the outer wall of the furnace barrel of the rotary electric furnace, wherein the furnace barrel percussion device comprises a hollow cavity and a sphere; one end of the hollow cavity is open and the other end of the hollow cavity is closed, wherein the opening end is fixed on the outer wall of the furnace barrel; the sphere is movably arranged in the hollow cavity; the sphere moves up and down in the hollow cavity to form a clearance percussion status with the outer wall of the furnace barrel during the rotary process of the furnace barrel; the method for preparing the high-activity electro-plated copper oxide comprises the following steps of: preparing high-purity alkali type copper carbonate by adopting pure copper, liquid ammonia and high-purity carbon dioxide as materials; and obtaining the high-activity electro-plated copper oxide through roasting in the rotary electric furnace. According to the rotary electric furnace and the method for preparing the high-activity electro-plated copper oxide by using the rotary electric furnace, the defect that the low-temperature part is insufficient due to insufficient burning and the high-temperature part is burnt through during a static roasting process of the pushed slab kiln is overcome; moreover, the defects such as inactivity, a plurality of impurities, discontinuous production, long period, high energy consumption, high cost and the like are overcome, so that the activity of the product is ensured. Besides, the product quality is high, the energy consumption is less, the cost is low and the environment-friendliness is better.

The invention relates to a high-solid anaerobic reaction device and method for organic garbage. The device comprises a pulverizer, a pretreatment pond and an anaerobic fermentation tank, wherein the pulverizer is arranged above the pretreatment pond; a spiral conveying device is arranged below the material outlet of the pretreatment pond and connected with the anaerobic fermentation tank; a liquid-collecting pipe is connected to the bottom of the anaerobic fermentation tank and connected to a four-way pipe fitting; the other three ports of the four-way pipe fitting are connected with a water draining pipe, a pretreatment pond backflow pipe and a biogas slurry spraying return pipe respectively; the anaerobic fermentation tank is internally sequentially provided with a spraying perforated plate and a sieve plate from top to bottom. According to the anaerobic reaction device for the organic garbage with the high solid content, the material pulverization, pretreatment and fermentation are integrated, the material uniformity is guaranteed, an anaerobic fermentation process is facilitated, the solid concentration and uniformity of a material are regulated through fermentation liquor backflow, and the stable fermentation of organic garbage is realized; the anaerobic reaction device has the characteristics of wide adaptability, high treatment efficiency, compact layout, stable operation, small land occupation area and the like.

The invention relates to a technology for jointly producing ammonium sulfate and chloromethane. The technology specifically comprises steps of: S1, premixing ammonium chloride with sulfuric acid at normal pressure; S2, pumping the sulfuric acid solution of the ammonium chloride obtain in step S1 into a tubular reactor, and thus obtaining ammonium bisulfate and hydrogen chloride gas; S3, preparing the ammonium bisulfate obtained in step S2 to form aqueous solution, and performing ammonolysis reaction in an ammonification column so as to obtain ammonium sulfate; S4, guiding the hydrogen chloride gas obtained in step S2 into a drying column 1 to be dried, and filling the dried hydrogen chloride gas into a fluidized bed reactor together with gaseous methanol so at to obtain a chloromethane crude product; sequentially feeding the chloromethane crude product obtained in S4 into a water washing tower, an alkaline washing tower and a drying tower 2 so as to obtain pure chloromethane, and compressing and condensing the pure chloromethane to form high-purity liquid chloromethane. By utilizing the technology, ammonium and chlorine elements in ammonium chloride are fully and reasonably utilized, so that the joint production of ammonium sulfate and chloromethane is realized, the industrial structure is optimized, and a new method is provided for comprehensively utilizing the ammonium chloride.

The invention discloses an electrochemical preparation method of rhodium trichloride. The electrochemical preparation method comprises: 1, arranging an electrolytic cell, wherein the electrolytic cellis divided into at least two tank bodies by a first separation plate arranged in the electrolytic cell, the first separation plate is provided with an overflow hole, the tank body is divided into twoelectrode chambers by a second separation plate arranged in the tank body, the bottom portions of the two electrode chambers are communicated, and electrodes are respectively arranged in the two electrode chambers; 2, adding rhodium powder to the bottom portion of the tank body, adding a hydrochloric acid solution, applying voltage on the electrode, and carrying out electrolysis treatment on therhodium powder to obtain a product stream containing rhodium trichloride; and 3, carrying out distillation and crystallization treatment on the product stream to obtain RhC13.xH2O, wherein x is 0-5. According to the present invention, the preparation method is simple and advanced; with the electrolytic cell provided with the plural groups of the tank bodies, a large amount of rhodium powder can becontinuously dissolved; and by supplementing hydrochloric acid and rhodium powder, the continuous production of rhodium trichloride is achieved, such that the automation degree is high.

The invention relates to a method and device for microwave calcination of a uranium chemical concentrate, and belongs to the technical field of microwave metallurgy. The method comprises leading the uranium chemical concentrate into high-temperature waste heat flue gas for preheating the cold uranium chemical concentrate, and performing three segments of calcination. The device is composed of a microwave generator, a spiral stirring device, a microwave control device, a temperature measuring device and a flue gas circulation purifying system. According to the method, industrial continuous production is realized; the high-temperature waste heat flue gas is fully utilized; and self-circulation treatment is implemented. The uranium chemical concentrate can be directly and fast heated; the heat loss of the material is reduced; and the energy utilization rate is increased. The uniformity of the product is improved; emission of harmful impurities and gas is avoided; and clean production is realized. The device is high in equipment automation degree and strong in controllability.

The invention relates to lotus seed processing machinery, and particularly relates to a lotus seed peel-grinding machine with an abrasive belt. The lotus seed peel-grinding machine with the abrasive belt is composed of three parts, i.e., a drive device, a charge device and a peel-grinding device; and effective peel-grinding processing for lotus seeds is realized by virtue of a grinding principle, the elastoplasticity of the abrasive belt, and the relative movement of a screw conveying rod and the abrasive belt. The lotus seed peel-grinding machine with the abrasive belt disclosed by the invention has the advantages of being high in peeling rate, low in loss rate, simple and convenient in operation, low in manufacturing and processing costs, pollution-free to environment, and suitable for large-scale production.