22results about How to "Shorten aging time" patented technology

The invention relates to a technology for shortening the aging time of dried orange peel, and provides a method for improving nobiletin and hesperetin by co-fermenting dried orange peel with two microorganisms, which comprises the following steps: preparing a mixed bacteria solution by using Aspergillus sp. And Exophiala similia; mixing the sterilized pericarpium citri reticulatae powder and the sterilized rice meal to serve as a fermentation substrate, adding the mixed bacterial liquid and the sterilized water into the fermentation substrate to serve as a reaction system, fully stirring the reaction system, and placing the reaction system in a constant-temperature incubator for fermentation. By adopting the method disclosed by the invention, the contents of nobiletin and hesperetin in the dried tangerine or orange peel can be efficiently increased within a relatively short time, the aging time of the dried tangerine or orange peel is shortened, and the conversion efficiency of medicinal effect substances in the dried tangerine or orange peel is improved.

The invention provides a preparation method of a high-strength magnesium alloy, and belongs to the field of nonferrous metal materials. The invention provides a preparation method of a high-strength magnesium alloy, which comprises the following steps: carrying out hot rolling and aging treatment on a solid solution state Mg-Gd-Y series rare earth magnesium alloy to obtain a beta phase-containing high-strength magnesium alloy; the total mass fraction of the Gd element and the Y element in the solid solution state Mg-Gd-Y series rare earth magnesium alloy is smaller than 10%. According to the Mg-Gd-Y series rare earth magnesium alloy and the preparation method thereof, through the component types and content of the Mg-Gd-Y series rare earth magnesium alloy, a large number of beta phases generated after aging treatment of the rare earth magnesium alloy are evenly and dispersedly distributed in the rare earth magnesium alloy, the beta phases can greatly hinder dislocation movement and grain boundary growth, and therefore the tensile strength of the rare earth magnesium alloy is greatly improved.

The invention belongs to the technical field of nickel-based superalloy heat treatment, and particularly relates to a nickel-based superalloy rapid aging heat treatment method. The method comprises the following steps: firstly, carrying out solution treatment on the nickel-based superalloy, and cooling an alloy sample subjected to the solution treatment in water to obtain a solution sample; and then the solid solution sample is subjected to electric pulse N-stage aging treatment. The Joule heating effect and the electromigration effect generated by the pulse current in the nickel-based superalloy are utilized to promote the transfer of solute atoms and the precipitation of gamma'phase, so that the aging time of the SLM-GH4099 nickel-based superalloy is greatly shortened, and the aging energy consumption is reduced.

The invention relates to the technical field of polystyrene resin and a preparation method thereof, in particular to yellowing-resistant polystyrene resin for an optical plate and a preparation method thereof, the yellowing-resistant polystyrene resin for the optical plate comprises specific amounts of styrene monomer, a molecular weight regulator, a slipping agent, a polymerization solvent, an antioxidant, an antioxidant auxiliary agent, a light stabilizer and an ultraviolet absorbent. According to the preparation method disclosed by the invention, by adding a specific amount of additives such as the antioxidant, the antioxidant adjuvant, the ultraviolet absorbent and the light stabilizer, the prepared polystyrene resin material has the characteristics of high purity, high light transmittance, low chromaticity, low residual monomer content and the like; the thermo-oxidative aging resistance and the ultraviolet aging resistance of the polystyrene resin material can be improved, the aging time of the material is delayed, the long-term yellowing resistance effect is achieved, and the polystyrene resin material is particularly suitable for manufacturing optical-grade plates.

The utility model discloses a heat preservation air pipe which comprises a pipe body, a heat preservation mechanism is arranged on the pipe body, the heat preservation mechanism comprises an inserting plate and a fixing base, and a first heat preservation shell is inserted into the inserting plate. The heat preservation shell containing the heat preservation cotton is arranged on the outer wall of the pipe body, the heat preservation effect of the air pipe can be improved, due to the fact that the heat preservation cotton is arranged in the first heat preservation shell, the aging time of heat preservation materials can be shortened, and when the first heat preservation shell needs to be detached, a worker pushes the grip to enable the clamping rod to be separated from the groove in the clamping base, and the heat preservation effect is improved. Then the clamping rod is turned over with the connecting base as the axis, the clamping rod is made to be away from the clamping base, at the moment, the first heat preservation shell is not limited by the clamping rod and can be taken down from the pipe body, the first heat preservation shell can be rapidly detached and replaced, the air pipe can be protected through the first heat preservation shell, and the problem that the pipe body is sunken due to collision can be solved; and the service life of the air pipe is further prolonged.

This invention provides a method for manufacturing an aging catalyst based on an engine bench. The method includes: Step 1, performing state testing and aging tests on a new catalyst on an engine bench; Step 2, comparing whether the test parameters in Step 1 meet the requirements. If not, returning to Step 1 for aging tests; if they meet the requirements, installing it on a vehicle for emission testing; Step 3, if the emission test results do not meet the requirements, returning to Step 1 to continue the aging test; if they meet the requirements, ending the test. The state testing includes a combination or any one of the following: oxygen storage capacity test during the catalyst's ignition phase, emission test during the catalyst's ignition phase, and oxygen storage capacity test under hot conditions. This invention's manufacturing method ensures the engine operates in a richer state, resulting in more stable combustion, shorter aging time, and allows more air-fuel mixture to mix and burn in front of the catalyst during changes in operating conditions, thereby controlling the degree of aging inside the catalyst carrier and making it closer to real-world conditions.

This invention discloses a composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys, belonging to the field of aluminum-lithium alloy preparation technology. The composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys of this invention includes the following steps: (1) performing solution treatment, water quenching, and natural aging treatment on the aluminum-lithium alloy in sequence; (2) performing pre-deformation treatment on the aluminum-lithium alloy treated in step (1); (3) performing non-isothermal aging treatment on the aluminum-lithium alloy treated in step (3); wherein, the pre-deformation amount of the pre-deformation treatment is 4~10%; the non-isothermal aging treatment is to first raise the temperature from 40℃ to 140~200℃ and then lower the temperature to 100~160℃; the aluminum-lithium alloy treated by the composite deformation heat treatment process of this invention has both good mechanical properties and corrosion resistance.

This invention discloses a method for modifying 6000 series aluminum alloy profiles with recycled aluminum residue Sn and its preparation, belonging to the field of aluminum alloy preparation technology. The method includes the following steps: S1, melting and casting an aluminum alloy billet; S2, homogenizing the aluminum alloy billet; S3, preheating the aluminum alloy billet; S4, placing the aluminum alloy billet from step S3 into an extruder for hot extrusion forming to create an aluminum alloy profile, wherein the extruder outlet temperature is ≥525℃; S5, introducing the aluminum alloy profile from step S4 into an ultrasonic water quenching tank for 1-5 minutes of ultrasonic water quenching. This invention, through the combined process of recycling and modifying recycled aluminum residue Sn and ultrasonic quenching, not only solves the technical problem of recycling tin-containing aluminum, turning waste into treasure, but also produces extruded profiles with excellent comprehensive performance and significant economic and environmental benefits.

The utility model discloses a cold-resistant hard PVC (polyvinyl chloride) reflector, and relates to the technical field of reflectors. Comprising a reflector body, the reflector body comprises a hard PVC board, cold-resistant layers are fixed to the top and the bottom of the hard PVC board respectively, and a gum layer and an anti-sticking layer are sequentially arranged at the bottom of the cold-resistant layer located at the bottom of the hard PVC board from top to bottom; a microprism layer and a protective film are sequentially arranged on the top of the cold-resistant layer located on the top of the hard PVC board from bottom to top. The cold-resistant layers are fixed to the top and the bottom of the hard PVC board and made of polyurethane materials, the cold resistance of the PVC board can be improved through the arrangement of the cold-resistant layers, the PVC board is prevented from being broken due to low-temperature embrittlement, meanwhile, the elastic layer is arranged, the purpose of the elastic layer is that firstly, external impact force can be buffered, and therefore the impact force of the PVC board can be reduced, and the service life of the PVC board can be prolonged. The stability of the whole structure of the PVC reflector is improved, and the hard PVC plate is effectively prevented from being broken and damaged due to stress.

This invention provides a wine aging device. At the new wine supply end, the wine to be aged is input into the aging loop pipeline. A circulating motor circulates the wine within the loop pipeline, allowing it to pass through a temperature-regulating tank and a wine molecule cutting device. The temperature-regulating tank simulates the temperature differences of the four seasons, adjusting the temperature of the flowing wine to match the temperature of different seasons, thereby accelerating fermentation. Subsequently, as the wine passes through the wine molecule cutting device, large wine molecules are broken down into smaller molecules until aging is complete. Afterward, the wine output end receives the aged wine, while the new wine supply end inputs another wine to be aged into the aging loop pipeline. This cyclical process promotes and accelerates fermentation, producing an aging and softening effect while simultaneously breaking down undesirable flavors. This invention belongs to the technical field of brewing equipment.

The utility model relates to the technical field of tourism management indicating equipment, in particular to tourism management indicating equipment which comprises a fixed base, the upper surface of the fixed base is fixedly connected with a protective shell, the upper surface of the protective shell is fixedly connected with a fixed column, and the middle position of the upper surface of the fixed column is fixedly connected with a baffle plate. By opening and closing the baffle and placing the indication board on the inner wall of the inserting groove, tourists can observe the direction indicated by the indication board through the two sides of the display shell, the indication board is protected through the display shell in rainy and snowy days, and partial rain and snow are blocked in cooperation with the shielding board; therefore, the influence of weather factors on the sign can be reduced to a certain extent, the aging time of the sign is shortened, and the service life of the sign is prolonged.

The present invention specifically relates to a detection method for a rapid detection device for the water tree resistance of a cross-linked polyethylene cable, and belongs to the technical field of power cable insulation detection. The problem to be solved is to provide a detection method for a detection device that can quickly detect and evaluate the water tree resistance of a cross-linked polyethylene cable. The technical scheme adopted is: an organic glass cylinder inside a constant temperature box is arranged above an insulating base, a NaCl solution is contained in the organic glass cylinder, an upper port cover thereof is closed with an organic glass cover, a copper electrode penetrates the organic glass cover, the upper end of the copper electrode is grounded, a plurality of cable samples penetrate the cylinder wall of the organic glass cylinder, one end of the cable sample is connected to a high-voltage fuse through a wire, and the high-voltage fuse is connected to a high-frequency high-voltage power supply through a wire; the present invention can complete the water tree aging test of a plurality of cable samples at one time, and solves the technical problem that the quality of the incoming cables cannot be controlled.

This invention discloses a nanoscale α-alumina and its preparation method. Polyethylene glycol, citric acid, and ammonium aluminum sulfate are sequentially added to a urea solution and mixed to obtain a mixed solution. Ammonia water is then added dropwise to the mixed solution, and the mixture is allowed to stand and age to obtain a precursor suspension. The precursor suspension is then separated into solid and liquid phases, and the resulting solid phase is the alumina precursor. The alumina precursor is then calcined to obtain α-alumina. The α-alumina provided by this invention is a pure phase, free of impurities such as γ-Al₂O₃, with a complete crystal structure, a particle size ≤150 nm, a particle size distribution CV value <15%, excellent dispersibility, no obvious hard agglomerates, and a higher specific surface area, making it suitable for applications in high-end electronic ceramics, precision polishing, and other fields.

The invention discloses a high specific surface area nano FAU molecular sieve synthesis method, which comprises: 1) dissolving a silicon source, an aluminum source and an alkali source in water, and uniformly mixing in a premixing device to obtain a mixed solution A; standing and aging to obtain a guiding agent; 2) dissolving an alkali source and an aluminum source in water by taking a silicon source as a single material to obtain a mixed solution B; in premixing equipment, premixing a silicon source and the mixed solution B with the guiding agent prepared in the step 1) to form reaction initial gel; and 3) transferring the initial reaction gel in the premixing equipment into a crystallization kettle for hydrothermal crystallization reaction, taking out a product after the reaction is finished, filtering, washing and drying to obtain the FAU molecular sieve. The particle size of the nanosheet-shaped FAU molecular sieve is 20-450 nm, the specific surface area is 960-1100 m < 2 > / g, and the pore volume of mesopores is 0.1-0.8 cm < 3 > / g; more active sites can be provided, the diffusion path is shorter, and the molecular diffusivity can be improved.

The invention provides a TR assembly liquid cooling aging device and method. A TR assembly liquid cooling aging device comprises a cooling liquid pipeline, a plurality of cooling tools used for installing a TR assembly and a frame body, the plurality of cooling tools are installed on the frame body, and the cooling liquid pipeline is connected with the plurality of cooling tools. By designing the TR assembly liquid cooling aging device, a liquid cooling aging test can be conveniently carried out on a plurality of TR assemblies at the same time, the aging workload is reduced, the aging time is shortened, the equipment consumption is reduced, the cost is reduced, and the test efficiency is improved.

The utility model relates to the field of polypropylene film production, in particular to a film aging treatment device which comprises a treatment box, a driving mechanism arranged on the rear side of the treatment box, and a conveying mechanism used for carrying out aging treatment on a polypropylene film. According to the utility model, the plurality of conveying rollers are communicated through the flow guide pipes and the rotating seats at the front and rear ends of the plurality of conveying rollers, flowing cooling water is introduced into the conveying rollers to cool the conveying rollers, and the conveying belt is cooled step by step through the cooled conveying rollers, so that the aging time of a polypropylene film is shortened, and the production efficiency is improved. The cooling grid frame, the heating grid frame and the compression assembly are used for controlling the temperature of a polypropylene film area entering the treatment box, and the quality problem caused by too fast temperature reduction of the polypropylene film is prevented.

The present invention provides an ultra-high strength and high temperature resistant Cu-Ni-Sn alloy wire and a preparation method thereof, and relates to the technical field of copper alloys. The Cu-Ni-Sn alloy wire prepared by the present invention has a small and uniform grain size, an average grain size between 2 and 5 μm, a tensile strength of more than 1400 MPa, a number of special grain boundaries (low ΣCSL) of more than 40%, good high temperature oxidation resistance, and an oxidation weight gain of ≤0.1 mg / cm at 850°C / 1h. 2 By controlling the continuous casting and drawing annealing process, the obtained organization has a strong (111) silk texture, and the conductivity can reach 10% IACS, which can be used in electrical connectors in 5G communications, aerospace or smart terminals. The results of the examples show that the preparation method provided by the present invention has the characteristics of high batch stability, uniform performance, low energy consumption, high yield rate, low cost, and short processing flow, and has broad application prospects.

The invention discloses a device for aging yellow rice wine by using a deep ultraviolet LED (Light Emitting Diode) and a control method thereof. The device comprises a deep ultraviolet light source, an irradiation chamber, a wine inlet, an exhaust window, a temperature control system and a control unit, the deep ultraviolet light source is fixed to the top of the irradiation chamber, and an LED is provided with an AlN ceramic substrate and an aluminum radiator; the temperature control system monitors and adjusts the yellow wine temperature; the control unit controls on and off of the LED, irradiation time and temperature adjustment. The method comprises the steps that yellow wine to be aged is filtered and then placed in a closed container; a deep ultraviolet LED is adopted to irradiate the yellow wine, the LED emission wavelength is 255-275 nm, the irradiation intensity is 30-50 W / cm < 2 >, the irradiation distance is 10 cm, and the irradiation time is 10-30 days; the temperature is kept at 20-25 DEG C in the irradiation process; and after the irradiation is completed, standing and packaging in a dark environment. According to the method, the yellow wine can be naturally aged for 1-5 years within 10-30 days, the aging time is remarkably shortened, the storage cost is reduced, and the aging effect is stable and controllable.

The utility model relates to the technical field of air conditioner intelligent control, in particular to a DDCK-based air conditioner intelligent control device which comprises a base and an outer shell, the outer shell is installed at the upper end of the base, vent holes are additionally formed in the side end of the outer shell, the surface of the outer shell is fixedly connected with a display panel, a circuit board is installed on the surface of the base, and the circuit board is fixedly connected with the base. And the lower end of the base is connected with a mounting mechanism. The installation strip is hooked with an external batten and other structures, the fixing bolt is screwed to rotate on the supporting plate in a threaded mode, the installation strip cannot be separated from the external hooking position, glue on the surface of the double-faced adhesive layer on the outer wall of the installation strip can be bonded to the surface of a wall, the installation modes are diversified, and installation is more convenient.

The utility model relates to a quick cooling facility for a sand box, which comprises a cooling part, a casting and the sand box, the cooling part comprises cooling sand and a cooling pipe, the cooling sand and the casting are arranged in the sand box, and the cooling pipe is buried in the cooling sand and arranged around the casting. The cooling device has the effects that the cooling speed of a casting in the sand box is increased, sectional temperature control cooling can be realized, and additional power equipment is not needed.