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42results about How to "Steady consumption" patented technology

High-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting crystallizer covering slag and preparation method thereof

The invention discloses high-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting crystallizer covering slag which comprises the following components in percentage by weight: 54-57% of wollastonite, 9-13% of fluorite, 9-13% of sodium carbonate, 0-1% of lithium carbonate, 5-7% of glass dust, 8-12% of vanadine soil, 2.5-2.7% of soot carbon and 3-3.5% of graphite, and comprises the chemical components in percentage by weight: 31.9-34.9% of calcium oxide, 32.1-35.1% of silicon dioxide, 7.3-8.3% of aluminium oxide, 0.5-1.5% of magnesium oxide, 0.5-1.4% of iron sesquioxide, 4.4-6.4% of fluorion, 6.5-7.5% of sodium oxide, 0-0.39% of lithium oxide, 4.5-6.0% of fixed carbon and 4-7% of gas volatile matters. The alkalinity of the covering slag, namely the ratio of CaO to SiO2, is 0.91 to 1.00, the melting point of the covering slag is 1100 DEG C to 1160 DEG C, and the viscosity of the covering slag is 0.3 to 0.6 Pa.s at 1300 DEG C. The invention can solve the problems of easy crusting, slag entrainment, slag inclusion, slag sticking on casting blank surfaces, bubbles under skins, cracks, deep chatter mark, felting, bleed-out, and the like of the covering slag in the crystallizer during high-manganese high-nitrogen low-nickel stainless steel plate blank continuous casting, and has the advantages of uniform and stable slagging in the crystallizer, good casting blank quality, difficult felting and bleed-out, and the like.
Owner:XIXIA LONGCHENG METALLURGICAL MATERIALS CO LTD

Iron-based electrode material with pure copper transition layer and surface pure metal molybdenum or tungsten coating and preparation method for electrode material

The invention discloses an iron-based electrode material with a pure copper transition layer and a surface pure metal molybdenum or tungsten coating and a preparation method for the electrode material. The preparation method comprises the following steps: coating pure copper with certain thickness on the surface of an iron-based material to serve as a transition layer by electric brush plating or chemical plating and sputter plating technologies; and depositing metal molybdenum or tungsten by a sputter plating technology to form the novel iron-based electrode material with the pure copper transition layer and the surface pure metal molybdenum or tungsten coating. The iron-based material serves as the electrode material, so the electrode material has high processability, high conductivity, high strength and low cost. One layer of copper is plated on the electrode material, so the conductivity is enhanced; and the copper layer serves as the transition layer, so the film substrate bonding strength of the surface pure metal molybdenum (or tungsten) layer is enhanced; and the surface pure metal molybdenum (or tungsten) has the advantages of corrosion resistance, high strength and hardness and low electrical resistivity, so the specific energy and the specific power of the electrode can be greatly increased, the contact resistance maintains constant and the electric energy consumption is stable and low.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Novel composite electrode material of iron base, copper transitional layer and surface nitride coating and preparation method thereof

The invention discloses a novel composite electrode material of an iron base, a copper transitional layer and a surface nitride coating and a preparation method thereof. The novel composite electrode material of the iron base, the copper transitional layer and the surface nitride coating is formed through firstly coating pure copper with certain thickness on the surface of an iron-based material to serve as a transitional layer by using electroplating and brush electroplating technologies or chemical plating and sputtering plating technologies and depositing nitrides on the transitional layer by using a sputtering plating technology. Through using the iron-based material as the electrode material, the novel composite electrode material of the iron base, the copper transitional layer and the surface nitride coating, disclosed by the invention, has the advantages of good machining performance, good conductivity, high strength and low cost. A copper layer is plated on the surface of the electrode material to serve as the transitional layer to increase electrical conductivity and to increase film-based bonding strength of the surface nitride layer; the nitride layer on the surface has the advantages of corrosion resistance, high wear resistance, high strength, high hardness and lower resistance; the specific energy and specific power of an electrode can be greatly increased, the contact resistance is kept constant and electric energy consumption is stable and lower.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Novel electrode material with surface subjected to molybdenum infiltration and titanium nitride deposition and preparation method thereof

The invention discloses a novel electrode material with the surface subjected to molybdenum infiltration and titanium nitride deposition and a preparation method thereof. The preparation method comprises the following steps: firstly infiltrating an alloy element molybdenum into the surface of an iron-based material by utilizing a plasma surface alloying and multi-arc ion plating composite processing technology so as to form a molybdenum-containing infiltrated layer in metallurgical bonding, and then depositing titanium nitride by sputter plating so as to form the novel electrode material with the surface subjected to molybdenum infiltration and titanium nitride deposition. According to the invention, the steel and iron materials with high quantity, wide range and low price are adopted as the electrode material, and the electrode material has the advantages of good processing property, good conductivity, high strength and low cost. After the surface of the electrode material is subjected to molybdenum infiltration and titanium nitride deposition, the electrode material has the advantages of corrosion resistance, abrasion resistance, high strength and hardness, low resistivity and high bonding force; the specific energy and specific power of the electrode can be improved greatly; the contact resistance is constant; the electricity energy consumption is stable and low.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Red mud modified PP (polypropylene) composite and method of using same to produce double-wall bellows

InactiveCN106147012ASolve the problem of poor fluidity and difficult processingIncrease stiffnessTubular articlesRed mudDouble wall
The invention discloses red mud modified PP (polypropylene) composite and a method of using the same to produce a double-wall bellows; the component is composed of the following components according to parts by weight: 100 parts of propylene mixed resin, 60-80 parts of red mud powder, 10-20 parts of anti-impact agent, 0-10 parts of a compatibilizer, 0-10 parts of a defoaming agent, and 0-10 parts of other aids; the red mud powder is added into a mixing kneader and rotated at a controlled speed of 1000 r / m at a temperature of 100-110 DEG C for 2-5 min; calcium stearate and solid filler aligning agent P2010 are added and stirred for 5-10 min; kneading temperature is lowered to 48-52 DEG C, the polypropylene mixed resin, the compatibilizer, the anti-impact agent are added and mixed with erucamide, and the red mud modified PP composite is then added into a double-master conical twin-screw apparatus to extrude a pipe, and the pipe is molded, vacuum-processed, cool-formed, cut and packaged to obtain the double-wall bellows. The double-wall bellows produced herein has high rigidity and toughness, the red mud has good flowability in PP material and is easy to process, low in cost and environment-friendly.
Owner:LINYI DONGLI PLASTIC BUILDING MATERIAL CO LTD

Water-saving blast furnace cooling wall structure with multiple layers of water supply pipes and application process thereof

ActiveCN111440909AImprove the processing speed of engineering applicationsMeet minimum cooling intensity requirementsCooling devicesWater savingRefractory
The invention discloses a water-saving blast furnace cooling wall structure with multiple layers of water supply pipes. The water-saving blast furnace cooling wall structure comprises a furnace shell,a refractory material lining and a cooling wall, wherein the cooling wall is located between the furnace shell and the refractory material lining; cooling water pipes are arranged in the cooling wall; the cooling water pipes are of a multi-layer water pipe structure; multiple layers of water pipes are of a nested structure; the cooling water pipes comprise an inner-layer water pipe; the water passing amount of the inner-layer water pipe 2 is larger than or equal to 30 percent of a water amount required by blast furnace cooling strength; end parts of the multiple layers of water pipes are arranged in a stepped way; and distances between the end parts of the multiple layers of water pipes are larger than or equal to 30 mm, so as to meet the field construction requirement for rapid switchingof the water pipes. The cooling water pipes are designed into the multi-layer water pipe structure, so that the guarantee requirement that each water supply point on the blast furnace cooling wall can always supply water safely for a plurality of times is met; and after water supply pipes at each water supply point of the blast furnace cooling wall are damaged, standby water pipes can be switchedrepeatedly to keep stable water supply for cooling. The invention further discloses an application process of the water-saving blast furnace cooling wall structure with multiple layers of water supply pipes.
Owner:MAANSHAN IRON & STEEL CO LTD

Powder feeding device used for manufacturing three-dimensional object and powder feeding method of powder feeding device

The invention discloses a powder feeding device used for manufacturing a three-dimensional object and a powder feeding method of the powder feeding device. The powder feeding device comprises a powderstorage trough, powder feeding hoppers, a powder feeding box, a powder feeding rotating shaft, a first gear, a second gear, a drive mechanism and a control system. The powder storage trough is sequentially provided with at least one first feeding station switch and at least one first discharging station switch from top to bottom. Butterfly valves are arranged at the bottoms of the powder feedinghoppers and are used for controlling whether powder falls to the powder storage trough or not under control of the control system. One end of the powder feeding rotating shaft is connected with the first gear, the second gear is connected with the drive mechanism, and the first gear and the second gear are engaged. When the second gear is driven by the drive mechanism to rotate, the first gear isdriven to rotate, and therefore the powder feeding rotating shaft is driven to rotate, so that powder of the powder storage trough falls to the powder feeding box under rotating of the powder feedingrotating shaft and falls to the powder feeding position through an outlet of the powder feeding box. According to the powder feeding device used for manufacturing the three-dimensional object and thepowder feeding method of the powder feeding device, the rotating speed is stable, the rotating powder discharging speed is stable and fluent, and gear transmission is stable.
Owner:HUNAN FARSOON HIGH TECH CO LTD

Target material and treatment method thereof

The invention relates to the technical field of film coating machines, in particular to a target material and a treatment method thereof. The target material comprises a target material body, according to the magnetic field strength in the target material sputtering process, the upper surface of the target material body sinks towards the center of the upper surface of the target material body, sothat a cambered-surface groove is formed, therefore target material atoms are evenly sputtered on a base plate in the target material sputtering process, that is, the target material atoms can sufficiently gather towards the center in the sputtering process, then the target material atoms are evenly sputtered to the base plate, the situation that the thickness of a functional film formed on the base plate is uneven due to the fact that rapid sputtering is conducted by the place where the magnetic field of the target material body is strong, and the target material atoms are directly sputteredto the base plate can be avoided, and therefore the thin film evenness of a thin film square resistor can be effectively improved. Compared with the prior art, the target material treatment method hasthe above advantages, and no more detailed description is made here.
Owner:KONFOONG MATERIALS INTERNATIONAL CO LTD

Slowly digestible highland barley whole flour, preparation method thereof and premixed flour for Muffin cake

The invention discloses a slowly digestible highland barley whole flour preparation method, which comprises: crushing highland barley, conducting screening, adjusting the water content of the highland barley flour to 30%, and carrying out heat-moisture synergistic pullulanase treatment at a heat-moisture treatment temperature of 110 DEG C for 90 min, with the addition amount of pullulanase being 40 U/g dry starch. The invention also discloses an application of the slowly digestible highland barley whole flour in premixed flour of Muffin cakes. According to the preparation method provided by the invention, the content of resistant starch in the highland barley powder is increased, the content of quickly digestible starch is reduced, and meanwhile, the content of total dietary fibers is also correspondingly increased. The Muffin cake obtained by processing the Muffin cake premixed powder provided by the invention has little difference from commercial Muffin cakes in sensory score, hardness and specific volume, but retains the peculiar smell and taste of coarse cereals, and the starch digestion rate of the Muffin cake is lower than that of the commercial Muffin cake, so that the Muffin cake is slowly digested in vivo and is stable in digestion rate, and is suitable for diabetics and people who need to maintain stable blood sugar level to eat.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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