12results about How to "Good aging effect" patented technology

The utility model provides a brick making pug aging device which comprises a tank, a supporting beam is fixed to the top of the tank, a transverse plate is laid on the supporting beam, a plurality of through holes are formed in the transverse plate, a smoke inlet pipe is inserted into one end of the tank, a smoke outlet pipe is inserted into the other end of the tank, and side walls defining a stacking tank are vertically fixed to the periphery of the transverse plate. According to the brickmaking pug aging device, brickmaking pug is stacked at the upper end of the transverse plate, and the brickmaking pug stacked at the upper end of the transverse plate is heated by introducing high-temperature flue gas into the groove box at the lower end of the transverse plate. The temperature is increased, so that the aging effect of the brick making pug can be effectively improved, water in the middle and lower layers of the brick making pug can be evaporated upwards, the interpenetration effect of the water is accelerated, and the aging efficiency is improved.

The application provides a high-strength rare earth magnesium alloy based on a room-temperature rotary swaging composite process and a preparation method thereof.The method comprises the following specific steps: according to designed components, raw materials are smelted to obtain a semi-continuous casting ingot, the rare earth magnesium alloy ingot is subjected to homogenization treatment, then is preheated and kept warm to be subjected to differential temperature extrusion, the extruded rare earth magnesium alloy is subjected to multi-pass rotary swaging treatment with a small deformation at room temperature, and finally is subjected to artificial aging treatment.Through the composite process with the room-temperature rotary swaging, the grains can be refined, the texture can be improved, and a large number of dislocations and twins can be introduced into the grains, so that the nucleation sites and precipitation power of precipitated phases in the aging process are improved, the aging strengthening capacity is more excellent, and the high-strength rare earth magnesium alloy is obtained.The application of the light-weight high-strength rare earth magnesium alloy in the fields of aerospace, rail transportation and automobiles can be accelerated.

The invention discloses an anti-radiation metal layered composite material and a preparation method thereof. The preparation method comprises the following steps: smelting and casting an Al-3. 5Cu-2Mg-Ni alloy cast ingot; the Al-3. 5Cu-2Mg-Ni alloy cast ingot is subjected to homogenization treatment, hot rolling and annealing; the annealed Al-3. 5Cu-2Mg-Ni alloy cast ingot and a tantalum-tungsten alloy plate are subjected to composite rolling, and the anti-radiation metal layered composite material is obtained; wherein the Al-3. 5Cu-2Mg-Ni alloy ingot comprises the following components in percentage by weight: less than or equal to 0.5% of Si, 0.2-0.6% of Fe, 3-3.8% of Cu, less than or equal to 0.05% of Mn, 1.8-2.4% of Mg, 0.8-1.2% of Ni, less than or equal to 0.3% of Zn, less than or equal to 0.5% of Ti, less than or equal to 0.05% of single content of other elements, less than or equal to 0.15% of total amount and the balance of aluminum. According to the Al-3. 5Cu-2Mg-Ni alloy disclosed by the invention, a certain amount of Cu, Mg and Ni are added into the Al-3. 5Cu-2Mg-Ni alloy, so that the resistance of the alloy to extranuclear electrons is improved, precipitated phases such as Al2Cu and Al2CuMg can be formed in the aging process, and the aging strengthening effect is improved.

The invention provides a direct current EMI filter energy circulation electric aging circuit and method, and the circuit comprises a direct current power supply which is used for providing direct current; the load is used for providing adjustable load resistance; the plurality of EMI filters are sequentially cascaded between the direct current power supply and the load to form a structure to be aged; the input end of the constant current source is connected with the two ends of the load, the positive output end of the constant current source is connected between the positive output end of the direct current power supply and the positive input end of the to-be-aged structure, and the negative output end of the constant current source is connected between the negative output end of the direct current power supply and the negative input end of the to-be-aged structure; and the constant current source is used for recovering the energy received by the two ends of the load and then returning the energy to the to-be-aged structure, and the output of the constant current source is adjustable. The circuit can achieve batch aging, is simple in structure, and can meet the aging requirements of the EMI filter.

The invention discloses an aluminum alloy profile for a rocket stringer and a preparation method of the aluminum alloy profile. The aluminum alloy profile for the rocket stringer consists of the following elements in percentage by weight: 2.2-2.4% of Cu, 2.9-3.4% of Mg, 7.3-7.9% of Zn, 0.05-0.15% of Zr, less than or equal to 0.05% of Fe, less than or equal to 0.1% of Si and the balance of Al. The preparation method comprises the steps of extrusion, solid solution heat treatment, stretch straightening, aging heat treatment and the like. The advantages of high purity, high strength, high rigidity, high safety and the like of the 7050-8 aluminum alloy material are utilized, development of the 7050-8 aluminum alloy profile product for the launch vehicle stringer is developed, core technologies such as mold design, extrusion forming, heat treatment strengthening and finishing treatment are overcome in the development process, the launch vehicle structure efficiency in China is improved, and the production cost is reduced. The prepared profile meets the application requirements of a new-generation carrier rocket structure, and application and iteration of a new aluminum alloy material are promoted.

The invention belongs to the technical field of rare earth magnesium alloy materials, and discloses a high-toughness rare earth magnesium alloy deformed material which is prepared from the following raw materials in percentage by mass: 5.1-7% of Sm, 1-3% of Yb, 0.6-1% of Zn, 0.4-0.6% of Zr and the balance of Mg. A preparation method comprises the steps of smelting and casting, homogenizing treatment, variable-speed isothermal extrusion treatment, aging treatment and the like. According to the rare earth magnesium alloy deformation material and the preparation method thereof, the Sm and Yb elements are added into the Mg-Zn-Zr series alloy, the proportion of all the metal elements in the alloy is adjusted, the rare earth magnesium alloy deformation material shows excellent comprehensive mechanical performance, the yield strength ranges from 459 MPa to 469 MPa, the tensile strength ranges from 477 MPa to 484 MPa, and the ductility ranges from 9.3% to 10.0%.

This invention relates to the field of hot extrusion manufacturing technology, specifically to a high-strength weldable 6xxx series aluminum alloy profile, its manufacturing method, and its application. The aluminum alloy profile is composed of the following weight percentages: Si: 0.80%~1.2%, Fe≤0.20%, Cu: 0.40%~0.80%, Mn: 0.30%~0.70%, Mg: 0.70%~1.1%, Cr≤0.25%, Zn≤0.10%, Ti≤0.10%, Zr: 0.05%-0.20%, Pb<0.01%, with the balance being Al and unavoidable impurities. The profile meets the following performance requirements: tensile properties, R... m ≥420MPa, R p0.2 ≥330MPa, A 50mm ≥8.0%; Fatigue performance: at r=0.1, N=1×10 7 Under the same conditions, the fatigue strength σ of the smooth sample is ≥145MPa, realizing the lightweight manufacturing of high-speed trains.

The present invention relates to the technical field of aging equipment for processing nano calcium carbonate, and discloses an aging device for processing nano calcium carbonate. The present invention comprises an aging barrel, the top of which is fixedly connected with an aging cover, when the upper rotating shaft moves in the opposite direction, the threaded plate falls inside the water storage barrel, because the water storage barrel and the reflux box are both sealed, the threaded plate refluxes the water inside the reflux box during the falling process, the threaded plate drives the elastic rope to fall, the elastic rope drives the annular scraper to rise inside the cooling shell, the annular scraper drives the auxiliary cotton block to rise, and the auxiliary cotton block drives the buoyancy ring to rise, so as to clean the water and rust that will be attached to the outer wall of the aging barrel after long-term work, and in the rising process of water and rust, due to the setting of the activated carbon plate, the rust debris can be adsorbed, the purity of water is enhanced, and the nano calcium carbonate can be water-cooled for multiple times, thereby enhancing the aging effect of the nano calcium carbonate.

The utility model relates to the technical field of perfume, and discloses a perfume aging accelerating device which comprises a machine frame, an aging barrel is hinged to the inner wall of the machine frame, a feeding pipe is fixedly installed on the top of the aging barrel, a pipe cover is in threaded connection with the outer wall of the feeding pipe, a discharging pipe is fixedly installed at the bottom of the aging barrel, and the discharging pipe is in threaded connection with the pipe cover. The perfume aging accelerating device comprises a rack, an aging barrel is arranged on the rack, a discharging pipe is arranged on the rack, a solenoid valve is arranged on the discharging pipe, a swing mechanism for improving the aging accelerating effect is arranged on the rack, a turbulent flow mechanism is arranged in the aging barrel, the swing mechanism comprises a motor, the motor is fixedly installed at the top of the rack, and a sliding groove is formed in the outer wall of the aging barrel. Meanwhile, the ageing barrel can swing on the inner wall of the rack in a reciprocating mode through cooperation of a sliding block and a sliding groove, perfume in the barrel can be fully mixed through reciprocating swing of the ageing barrel, ageing of the perfume is accelerated, and the production quality and the production efficiency are improved.

The invention belongs to the technical field of thermosetting rigid polyurethane foam, and discloses environment-friendly rigid polyurethane foam as well as a preparation method and application thereof. The environment-friendly rigid polyurethane foam disclosed by the invention is prepared from the following components in parts by weight: 95 to 100 parts of polyol, 1.8 to 2.5 parts of foam stabilizer, 1.5 to 2.3 parts of catalyst, 15 to 30 parts of foaming agent, 130 to 150 parts of organic isocyanate and 1.5 to 2.3 parts of water, the foam stabilizer is a silicon foam stabilizer containing a Si-C structure; the catalyst comprises a foaming catalyst, a gel catalyst and a trimerization catalyst; the foaming agent is 2-chloro-3, 3, 3-trifluoropropene, and the foaming agent is 2-chloro-3, 3, 3-trifluoropropene. The environment-friendly rigid polyurethane foam disclosed by the invention is fine and uniform in foam holes and excellent in heat conductivity coefficient, so that the product is more energy-saving. The production process is simple and suitable for large-scale production. The device can be widely applied to the field of household appliances such as refrigerators, freezers and water heaters.

The utility model relates to the technical field of liquor storage equipment, in particular to a device for improving the aging effect of Maotai-flavor liquor, which comprises a liquor storage tank, the top of the liquor storage tank is provided with an opening and a tank cover movably sealing the opening, the bottom of the liquor storage tank is provided with a liquor outlet pipe, the bottom end of the liquor outlet pipe is provided with a liquor outlet control valve, and the liquor outlet control valve is connected with the liquor storage tank. A plurality of through windows are formed in the side wall of the top of the wine storage tank; the heating sleeve is arranged on the outer side of the wine storage tank in a sleeving mode, and a controller electrically connected with the heating sleeve is arranged on the outer portion of the wine storage tank; the multiple ultraviolet lamps are arranged, the multiple ultraviolet lamps are arranged outside the corresponding windows respectively, and all the ultraviolet lamps are electrically connected with the controller. According to the utility model, the wine body is irradiated by the ultraviolet lamp, so that the physical and chemical reactions of the wine body are accelerated, the synthesis of chemical substances such as higher fatty acid and esters is promoted, and the wine body has richer flavor.

The present invention provides a polyurethane rigid foam under acidic conditions and a preparation method thereof. An organic acid is added to the polyurethane rigid foam during the preparation process. The acidic conditions can reduce the reaction activity of the polyurethane catalyst, thereby increasing the content of the catalyst, and the carboxyl group in the organic acid can react with isocyanate to produce CO2, thereby reducing the water content in the formula and improving the adhesion of the foam surface. In the later stage of the reaction, the foam begins to gel and the acid disappears. The high catalyst content can make the foam surface solidify rapidly and reduce the bubbles on the surface, thereby showing a more excellent comprehensive performance.