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511results about How to "Low energy consumption" patented technology

Drying unit of nitrogen-source heat pump

The invention discloses a drying unit of a nitrogen-source heat pump, comprising a drying box, a control system and an outdoor condenser, wherein the drying box comprises a box body, a heat pump chamber and a drying chamber; and the heat pump chamber and the drying chamber are arranged in the box body. The drying unit forms drying gas adjusting equipment with a nitrogen source, heat-pump equipment and a nitrogen device form a nitrogen heat-pump combining device so as to construct a closed circulation loop which adopts nitrogen as a medium to dry materials and effectively control the content of nitrogen in the drying chamber; and high-viscosity glass cement is used for sealing internal and external gaps of a drying room, a ventilating channel is modified, and a baffle, an arc-shaped air guide plate and an air uniformizing plate are added to enable the gas drying medium to be uniformly distributed in the drying chamber under certain air speed. The drying unit disclosed by the invention has the beneficial effects that the heat pump and a nitrogen combining device are used, the advantages of no pollution and low energy consumption of the heat pump can be fully utilized, the materials are dried under the condition of adopting nitrogen as a drying medium, the oxidation of the materials is prevented, the nutritional ingredients of the materials are retained, and the quality of dried products is improved.
Owner:HENAN UNIV OF SCI & TECH

Secondary aluminum production process

The invention relates to a secondary aluminum production process, relating to the waste aluminum smelting process field. The secondary aluminum production process is characterized in that the specific process flows are as follows: prefabricating a waste aluminum material, namely performing primary classification and disassembly on waste aluminum and removing other non-ferrous metal parts; selecting minor ingredients and calculating the dosages of various materials according to demands; smelting, namely sending the prepared waste aluminum material in a smelting furnace to smelt; introducing the smelted aluminum melt in a refining purification furnace to refine; detecting aluminum melt with a spectrograph, analyzing the contents of various chemical elements; using the refined aluminum melt to perform casting moulding; inspecting the finished products to ensure that the chemical element contents of the products all meet the national standard; and bundling up the qualified products, packaging and warehousing. The invention has the following beneficial effects: the secondary aluminum production process has the advantages of low energy consumption, fewer emissions and is resource-saving, and waste aluminum can be used to synthesize aluminum alloy ingots in one step which meet the national standards and are used for pressure casting and casting.
Owner:亳州市正和铝业有限公司

Long distance concentrated phase conveying system and method with auxiliary blowing apparatus

The invention relates to a long-distance dense-phase conveying system provided with an assistant blowing device and a method thereof. The conveying system comprises an air control apparatus formed by an air compressor, an air storage tank and a system control apparatus; a material storage bin and an on-line sub-bin which are formed by a material tank, a bin controller and a solid-air separator; a sending tank; a fluidization conveyor formed by a streamline casing, a guiding clapboard and an air inlet; a tube liner provided with air inlets arranged by an outer conveying pipe according to subsections and a dense-phase conveying pipeline formed by the assistant blowing device . The tube liner is fixedly connected with the inner upper wall of the outer conveying pipe; the assistant blowing device is fixedly connected and communicated with the outer pipe and tube liner. The dense-phase conveying method comprising the following steps: materials enters the sending tank from the material storage bin and then enters the dense-phase conveying pipeline through the fluidization conveyor and under the effect of compressed air to form a series of material plugs flowing in the conveying pipeline and finally the material reaches the sub-bin for processing and manufacturing. The invention has the advantages that the energy cost is low; the damage to material during the conveying process is less; the wearing to pipeline can be reduced; and the service life is long.
Owner:XIUYAN SHUNDA PNEUMATIC TRANSMISSION EQUIP MANUFACTORY

Method for preparing high-performance conductive fiber

The invention relates to a method for preparing a high performance conductive fiber, which comprises the following steps: V1ing, pretreatment and washing. V2ing, fiber is socked by coarsening agent to improve the surface structure of the fiber. V3ing, the fiber is socked by stannous chloride or cadmium chloride solution, and a layer of tin ions or cadmium ions are adsorbed on the surface of the fiber. V4ing, the fiber is socked by palladium chloride solution, and the tin ions or cadmium ions which are replaced by palladium colloid are adsorbed on the surface of the fiber. V5ing, electroless copper plating. V6ing, after being socked by oxalic acid solution, the fiber is dried. V7ing, the fiber which is plated with copper is socked and treated by tin dichloride solution. V8ing, the copper-plating fiber is socked by palladium chloride solution, and the tin ions or cadmium ions which are replaced by palladium colloid are adsorbed on the surface of the fiber. V9ing, chemical nickel plating. V10ing, after being socked by deionized water, the fiber is dried, and a product is obtained. The invention has small pollution to environment and less energy dissipation, and is easy to industrially produce. The conductive fiber which is prepared using the invention has excellent conductivity, the resistance of the specific surface area is 1-10 ohm, the original characteristics of the fiber is preserved, and the high performance conductive fiber is capable of being used for various non-woven fabrics.
Owner:江苏奈特纳米科技有限公司

System device for directly and effectively spray-drying high-solid-content sludge and method thereof

InactiveCN101781078ASmall particlesLow and small sludge particles after atomizationSludge treatment by de-watering/drying/thickeningPorositySludge
The invention provides a system device for directly and effectively spray-drying high-solid-content sludge, which comprises a hopper, wherein the hopper is connected with a feed pump and used for feed agitation, the feed pump is connected with one end of a nozzle in a spray drying tower through a pipeline, and the other end of the nozzle is connected with an air compressor; an air inlet at the lower part of the spray drying tower is connected with a hot blast furnace through the pipeline, the top of the spray drying tower is connected with a dust remover through the pipeline, the dust remover is connected with a smoke gas wet recovery tower through the pipeline provided with an exhaust fan, and the recovery tower is communicated with a pool arranged at the bottom of the recovery tower and a nozzle at the top through the pipeline provided with a water pump. The invention also provides a method adopting the system device for directly and effectively spray-drying the high-solid-content sludge. The invention has the effects that the energy consumption is low by using the method, and the atomized sludge has small grains, uniform diameter, good drying effect, high loosening degree and high porosity and is markedly superior to other drying forms. The produced drying sludge is adaptable to the paths of combustion heating, cement manufacture, greening, landfill and the like.
Owner:星河航天科技(天津)有限公司

Preparation method of flake-shaped aragonite calcium carbonate

The invention discloses a preparation method of flake-shaped aragonite calcium carbonate. The preparation method comprises the following steps: (1) performing dry method coarse grinding to a shell raw material, soaking the shell raw material in lotion for 4-48h at normal temperature, utilizing roller watering to remove a cuticle layer and a prismatic layer, and obtaining nacreous layer calcium carbonate by washing; (2) adding water to the nacreous layer calcium carbonate, performing high-speed agitation to prepare slurry with the concentration to be 30-80wt%, adding a grinding aid with the weight being 0.5-5% that of the nacreous layer calcium carbonate, and using a stripping machine to perform wet grinding for 60-180min with zirconia ball, alumina balls or ceramic balls serving as grinding mediums; and (3) performing filter pressing and drying grinding to obtain the flake-shaped aragonite calcium carbonate. The preparation method of the flake-shaped aragonite calcium carbonate is simple in process and does not use a poisonous harmful reagent, the operation conditions are mild, the surface activity of the prepared flake-shaped aragonite calcium carbonate is good, and the flake-shaped aragonite calcium carbonate can be widely applied to industries such as plastics, papermaking, rubber, ink, coating, building materials, medicines and food.
Owner:ZHEJIANG UNIV

Method for assembling zinc oxide nano-chain by using DNA as template

The invention discloses a method for assembling a zinc oxide nano-chain by using DNA as a template, comprising the following steps of: (1) mixing and stirring an aqueous solution of DNA, an aqueous solution of zinc nitrate and an aqueous solution of hexamethylenetetramine; (2) heating to 60 DEG C-80 DEG C and keeping the temperature for 0.5-4h; and (3) reducing the temperature to room temperature of 20 DEG C-25 DEG C and carrying out ultrasound treatment in an ultrasound wave dispersion instrument for 10-20 minutes and sampling to obtain the zinc oxide nano-chain by using the DNA as the template. The method is simple, easily obtains raw materials, consumes less energy and reduces the pollution to the environment; the equipment is less and the cost is low, so the method is suitable for batch production; the reaction time is short, the yield is high and no toxicity and harm exist, so that the method provides the possibility for preparing the zinc oxide nano-chain on a large scale; and zinc oxide nano-chains with different shapes can be constructed by operating the space structure of biological macromolecule DNA. The invention can simultaneously solve the problems of the control of the size and the shape of nanometer materials and the dispersion stability.
Owner:TIANJIN UNIV

Gyro-type dynamic self-balancing pan-tilt

The invention discloses a gyro-type dynamic self-balancing pan-tilt which comprises a frame component, a motor component, shooting equipment and a control component; the control component comprises a processor and an inertial sensor; the inertial sensor detects the posture information of the shooting equipment; the processor controls the motor component according to the posture information; the motor component directly drives the frame component to rotate in a manner relative to the shooting equipment so as to adjust the shooting angle of the shooting equipment; a connecting rod component for assisting the frame component is also arranged; and the connecting rod component rotates along with the frame component and supports the frame component. According to the gyro-type dynamic self-balancing pan-tilt, the motor component is adopted as the motive power to directly drive the frame component of the pan-tilt, so that less energy is consumed, and the electricity is saved; the connecting rod component and the frame component form a four-link component; the connecting rod component provides effective support for the frame component in a vertical direction, so that the load and the rigidity of the frame component are increased; when the load of the frame component is larger, the deformation of the frame component is effectively reduced; and meanwhile, the self-weight of the frame component is reduced, and the diameter of a motor is reduced.
Owner:SZ DJI TECH CO LTD
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