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52results about How to "Improve utilization" patented technology

Castable for ladle collector nozzle adopting corundum collector nozzle reclaimed material as aggregate and preparation method of castable

The invention discloses castable for a ladle collector nozzle adopting a corundum collector nozzle reclaimed material as aggregate. The castable is characterized by being prepared from the following raw materials in percentage by weight: 60 to 70 percent of acid-pickled corundum collector nozzle reclaimed material, 10 to 15 percent of corundum fine powder, 10 to 18 percent of corundum micro powder, 5 to 8 percent of binding agent and 0.1 to 1 percent of dispersion agent. The preparation method comprises the following steps: recovering the corundum collector nozzle from a steel factory, and packaging the corundum collector nozzle reclaimed material for standby use after the treatment of the sorting, iron removing, crushing and acid pickling process; weighing the raw materials according to the weight percentage; uniformly mixing the weighed materials, and uniformly mixing the materials with water; pouring the mixture into a designed ladle collector nozzle mold, and vibrating, pouring, drying and molding the castable. The corundum fine powder adopts the mixture of plate-type sintered corundum fine powder with the granularity of 20 to 45 micrometers and the granularity of 0 to 20 micrometers, and the mixing ratio is optimized, so that not only can the mobility of the castable be improved, but also the gap of the castable can be effectively filled, the dense of the castable can be enhanced, and the strength is remarkably improved.
Owner:WUHAN IRON & STEEL (GROUP) CORP

Monocrystalline silicon surface composite microstructure based on full-wave band anti-reflection and a preparation method thereof

The invention discloses a monocrystalline silicon surface composite microstructure based on full-band anti-reflection and a preparation method of the monocrystalline silicon surface composite microstructure. The preparation method comprises a part of or all of the following steps (1) - (4), and each step is executed for one or more times: (1) carrying out hydrophilic treatment on a silicon wafer,preparing a polystyrene sphere mixed solution, and paving a mask, polystyrene spheres, on the surface of the silicon wafer; (2) introducing oxygen for etching the wafer, and then introducing sulfur hexafluoride and octafluorocycloalkane for an etching-passivation-etching circulation to obtain monocrystalline silicon with a nano-pillar structure; (3) soaking the monocrystalline silicon with the nano-pillar structure into an acidic etching solution containing silver nitrate for surface corrosion to obtain monocrystalline silicon with a nano pencil-shaped structure; (4) carrying out magnetron sputtering on the monocrystalline silicon with the microstructure for plating an anti-reflection layer on the front surface, or the back surface or both, of the monocrystalline silicon. According to theinvention, the anti-reflection effect on full-band solar energy is effectively improved, so that the conversion efficiency of the solar cell is improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Ficus carica fruit whey polypeptide containing fermented milk and preparation method thereof

The present invention discloses a ficus carica fruit whey polypeptide containing fermented milk, and belongs to the technical field of dairy products. Milk and ficus carica fruit whey polypeptide hydrolyzed by ficin are used as raw materials, and fermented by mixed bacterial strains of lactobacillus bulgaricus, streptococcus thermophiles and bifidobacterium to obtain the fermented milk containing whey active polypeptides. The protease contained in the ficus carica fruit juice is used to hydrolyze whey, and the addition of the ficus carica fruit juice enables the fermented yogurt to have a unique fragrance of the ficus carica fruits. The ficus carica fruit whey polypeptide containing fermented milk effectively improves the utilization efficiency of the whey protein and increases the additional value of dairy products. The ficus carica fruit whey polypeptide containing fermented milk meets the nutritional needs of human body health, is moderate in acidity and pleasant in taste, and contains more than and equal to 10^6 CFU of active lactic acid bacteria. At the same time the product contains the whey polypeptides with a molecular weight of 1290-8492, and is easily digested and absorbed by the human body. Meanwhile, the ficus carica fruit whey polypeptide containing fermented milk and the preparation method thereof can provide technical supports for the large-scale technological production of whey polypeptide fermented milk.
Owner:LINYI GERUI FOOD

Method and equipment for NMP recovery and heat-pump rectification in lithium electric production

The invention provides a method and equipment for NMP recovery and heat-pump rectification of in lithium electric production. The method comprises the following steps that NMP waste gas is absorbed byusing water so as to obtain NMP waste liquid; the NMP waste liquid is conveyed to a first dewatering rectifying tower for separation; heavy components extracted from a tower kettle of the first dewatering rectifying tower are conveyed to a second dewatering rectifying tower for separation; and heavy components extracted from a tower kettle of the second dewatering rectifying tower are conveyed toan NMP rectifying tower for separation, overhead light component gas of the first dewatering rectifying tower is further pressurized and heated to be high-pressure saturated steam through a compressor, and the high-pressure saturated steam serves as a heat source of a reboiler of a tower kettle of the NMP rectifying tower. According to the method, the volatile NMP waste gas in lithium battery production can be recovered and purified so as to obtain the electronic-grade NMP solvent, the electronic-grade NMP solvent can be directly used as a solvent for anode and cathode materials in lithium battery production, and the NMP utilization degree is high; and a rectification technology is coupled with a heat pump technology, heat energy of overhead steam of a rectifying device is converted intohigh-grade heat energy from low-grade heat energy, the high-grade heat energy is used as the heat source of the reboiler of the tower kettle, so that the energy of the waste gas in the equipment is fully utilized, and the overall energy consumption of the equipment is reduced.
Owner:TIANJIN ZHONGFU ENG TECH

Automatic dust-free slag removing machine for smelting magnesium through Pidgeon process

The invention relates to the technical field of magnesium metal smelting, in particular to an automatic dust-free slag removing machine for smelting magnesium through a Pidgeon process. The slag removing machine comprises a main slag removing machine part, a slag removing machine body and a rail travelling platform. The main slag removing machine part is fixed above the slag removing machine body. The rail travelling platform is arranged below the slag removing machine body and in sliding fit with the slag removing machine body. The main slag removing machine part comprises a slag removing machine spindle, a spindle action machine case, a translation sliding platform, a first motor and a second motor. One end of the slag removing machine spindle is installed on the spindle action machine case through a slag removing machine spindle supporting bearing seat, and the other end of the slag removing machine spindle aims at the center of a reduction pot. The first motor and the second motor are arranged in the spindle action machine case. The spindle action machine case is arranged on racks of the translation sliding platform. Through the automatic dust-free slag removing machine for smelting the magnesium through the Pidgeon process, slag can be removed completely, no dust flies on a working site, and the magnesium slag can be collected. The production efficiency can be improved, and a slag collecting device is arranged, so that secondary utilization of the slag is facilitated.
Owner:JILIN UNIV

Technical process of fragrant and sweet black tea powder for tea noodle food

ActiveCN106889217AImprove utilizationSweet and fragrant
The invention discloses a technical process of fragrant and sweet black tea powder for a tea noodle food. The technical process comprises the steps: fresh leaves picking; withering; rolling; fermenting; drying; and crushing. The rolling process and a biological enzymolysis process are combined. The process specifically comprises the following steps: lightly pressing the withered leaves at natural room temperature to roll for 20+/-5min; adding an enzyme; heavily pressing and rolling the leaves for 10+/-3min; and then intermediately pressing and rolling the leaves for 50+/-10min, wherein the enzyme is selected from at least one of cellulase, protease and tannase. According to the technical process of fragrant and sweet black tea powder for the tea noodle food disclosed by the invention, by taking fresh leaves of summer and autumn leaves as raw materials, in a conventional bulk black tea technical process, a biological enzymolysis technology is blended to degrade and convert macromolecular tea proteins, tea fibers and tea polyphenol substances at a targeted manner so as to form the fragrant and sweet black tea for the tea noodle food which is prominently fragrant and sweet. Then the black tea is crushed to obtain black tea powder, and the fragrant and sweet black tea powder has the characteristics of being prominent in sweetness and fragrance and easy to crush.
Owner:HANGZHOU TEA RES INST CHINA COOP

Tile comprehensive displaying device for industrial design

ActiveCN108836036AImprove utilizationRaise awareness
The invention relates to the technical field of industrial design displaying, in particular to a tile comprehensive displaying device for industrial design. The device comprises a base, a fixed rod isfixedly connected to the top of the base, and the top of the fixed rod penetrates through and is movably connected with a hollow rotating column; the top of the hollow rotating column successively penetrates through and is fixedly connected with a first installing plate, a second installing plate and a third installing plate, a first locating frame is fixedly connected to the side surface of thetop of the first installing plate, and a tile body is clamped in a locating groove formed in the top of the first locating frame; the top of the tile body is clamped in a locating groove formed in thebottom of the second locating frame, and the top of the second locating frame is fixedly connected to the bottom of the second installing plate through a telescopic locating rod. Compared with a placement mode that the tile is placed flatwise, through the comprehensive displaying mode, customers can visually observe the front and back surfaces of the tile and conveniently know the material and style of the tile, tiles of different materials and styles can be placed on a selling frame, and the customers can conveniently observe different tiles.
Owner:芜湖文青机械设备设计有限公司

Traditional Chinese medicine maggot active peptide and preparation method and application thereof

The invention belongs to the technical field of medicines, and particularly relates to a traditional Chinese medicine maggot (dried larva of chrysomyia megacephala) active peptide. The invention further relates to a preparation method and application of the traditional Chinese medicine maggot active peptide. The traditional Chinese medicine maggot active peptide can be prepared by the following method of taking dry traditional Chinese medicine maggot degreased dregs; adding NaCl of which the mass is 5-8 times that of the maggot degreased dregs, stirring for 4-5 hours at room temperature, centrifuging and taking supernatant, wherein the concentration of NaCl is 1-2wt%; and adjusting pH, separating out precipitate, dialyzing, centrifuging, taking precipitate, freeze-drying to obtain traditional Chinese medicine maggot protein, preparing a solution with the substrate concentration of 7-13%, adding pepsase accounting for 0.5-1.5 wt% of the mass of the traditional Chinese medicine maggot protein, extracting at 35-40 DEG C, heating to boil, cooling, filtering, freeze-drying to obtain a product. According to the method, the resource utilization of the traditional Chinese medicine maggot is improved, the raw material cost is reduced, the degreasing step in the preparation process of the traditional Chinese medicine maggot active peptide is reduced, and the yield of the traditional Chinese medicine maggot active peptide is remarkably improved.
Owner:大连麦琪克生物技术有限公司

Wall type folding chair for cylindrical wall manned vessel

PendingCN107117182AImprove utilizationReasonable use of space
The invention relates to a wall type folding chair for a cylindrical wall manned vessel. The wall type folding chair comprises a chair back; the upper end of the chair back is connected with the cylinder wall through a first rotating part; the lower end of the chair back is connected with a chair face through a second rotating part; a supporting part is arranged between the chair back and the cylinder wall; the supporting part comprises a supporting rod and guiding rods; one end of the supporting rod is rotatably connected on the cylinder wall, and the other end of the supporting rod can slide along the guiding rods; the guiding rods are fixed to the two side faces of the chair back; when the supporting rod slides up and down along the chair back, the chair back is away from or close to the cylinder wall with a shaft of the first rotating part of the chair back and the cylinder wall as the axis, and the chair face is away from or close to the chair back with a shaft of the second rotating part as the axis, so that the cylinder wall, the supporting rod and the chair back form a triangle; and a supporting seat is arranged at the lower end of the chair back to limit the chair face. The wall type folding chair can be tightly attached and hung on the cylinder wall to occupy a small space, using of the space near the ground is improved, and space use is more reasonable; and the comfort level is high, and work carrying out and rest of workers are facilitated.
Owner:烟台福皓医疗设备有限公司

Rotating disc type automatic assembly line

The invention discloses a rotating disc type automatic assembly line and belongs to the technical field of battery processing. The rotating disc type automatic assembly line comprises a box body; theupper surface of the inner wall of the box body is fixedly connected with the upper surface of a driving mechanism; the output shaft of the driving mechanism is fixedly connected with the lower surface of a rotating disc; the upper surface of the box body is fixedly connected with the lower surface of a supporting plate; and the front face and the back face of the inner wall of the supporting plate are fixedly connected with the front face and the back face of a protection box. According to the rotating disc type automatic assembly line, a partition plate, a shell and a rubber sheet are arranged, when a sliding block moves rightwards, the rubber sheet is pushed through a second transmission rod, so that the rubber sheet and a rubber ring are matched to seal the shell, the gas in a hose cannot be communicated, then a suction cup loses negative pressure suction force, and automatic separation is completed. By means of the structure, feeding and discharging are more convenient in the using process, meanwhile, the structure is simple, and compared with a traditional sucker feeding structure in the disc rotating process, the structure is lower in cost and more stable and convenient to use due to the mode of continuous rotating of an air pump and automatic discharging.
Owner:武汉孚特锂能科技有限公司

Manufacturing method of PCB

ActiveCN105530770Aimprove utilizationImprove signal transmission quality and speed
The invention discloses a manufacturing method of a PCB. The manufacturing method comprises the following steps: S10, providing a pored inner layer core plate and a prepreg, and laminating the pored inner layer core plate and the prepreg to form a sub-plate; S20, forming an avoidance hole in the sub-plate; S30, manufacturing a rubber blocking bulge on the end surface of the sub-plate and at the position of the edge of the avoidance hole; and S40, providing a non-pored core plate and a prepreg, and laminating the non-pored core plate, the prepreg and the sub-plate to form a laminating plate with a sealing cavity. In the scheme, through twice laminating forming, firstly the pored inner layer core plate is laminated to form the sub-plate, and the avoidance hole is integrally formed in the sub-plate, so that the smoothness of inner wall shape of the avoidance hole is guaranteed; and then the rubber blocking bulge is arranged at the edge of the avoidance hole, and the sub-plate and the non-pored core plate are laminated to form the laminating plate, so that internal gumming of the sealing cavity can be effectively controlled, the integrality of the inner wall shape is guaranteed; and meanwhile, the application of high-frequency and high-speed materials in the PCB is widened, and the quality and speed of signal transmission are promoted.
Owner:DONGGUAN SHENGYI ELECTRONICS
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