34results about How to "Long manufacturing cycle" patented technology

The invention discloses manufacturing equipment and a manufacturing method for an electrode of a power type lithium ion battery. The manufacturing equipment comprises a vibration disk, a foam metal die, an electrode solid-state filler powder box and foam metal, wherein the foam metal die is arranged on the vibrating disk; the electrode solid-state filler powder box is arranged above the foam metal die; and the foam metal is arranged in the foam metal die. The foam metal with the characteristics of high electric conductivity, high thermal conductivity, large specific surface area, uniform and small through holes and the like is adopted as a current collector, and a skeleton structure of the foam metal is inserted into powdery active substances for pressurization to obtain an electrode plate with strong binding force, so that the active substances difficultly fall, the electric conductivity of the active substances of the electrode is effectively improved, internal resistance is lowered, heat produced by the battery is reduced, radiation is facilitated, and the service life of the battery is prolonged; and in addition, a solid-state active substance is used for directly filling the foam metal without an aqueous solution or a non-aqueous solvent, so that the obtained electrode plate is not required to be baked to remove the solvent, the manufacture period of the battery is shortened, energy consumption is reduced, and production cost is saved.

The invention discloses a method for dispersing a nano combustion catalyst in a composite propellant, solving the problems of difficulty in dispersion, multiple steps and complicated process in the prior art. The dispersing method comprises the following steps: ultrasonically dispersing the nano combustion catalyst by utilizing a surfactant and a dispersion medium; adding the uniformly pre-mixed composite propellant into slurry of other components, and mixing, heating in low vacuum degree to remove the solvent in the dispersion medium, and dispersing the nano combustion catalyst in the composite propellant. According to the method disclosed by the invention, and the conventional ultrasonic dispersion and mixed dispersion by a kneading machine are adopted, so that uniform and stable dispersion between the nano combustion catalyst and the composite propellant is realized.

The invention relates to a method for preparing a cathode material lithium nickel cobalt aluminate for lithium ion battery by spray drying. A chemical general formula of the material is LiNi1-x-yCoxAlyO2, wherein x is more than 0.1 and less than 0.3, y is more than 0.01 and less than 0.15 and 1-x-y is more than 0 and less than 1. The preparation method comprises the following steps: mixing and sanding an insoluble nickel compound, an insoluble cobalt compound, an insoluble aluminum compound and a lithium compound for 2 to 8h, performing spray drying to obtain a lithium nickel cobalt aluminate precursor, and performing roasting to prepare the cathode material lithium nickel cobalt aluminate under an oxygen airflow by adopting a two-stage method. According to the method, spray drying is performed to rapidly evaporate water to obtain the uniform and dense spherical lithium nickel cobalt aluminate precursor after nickel, cobalt and aluminum are mixed on a nanometer scale by adopting an efficient sander, and the cathode material lithium nickel cobalt aluminate with stable electrochemical performance is finally obtained by stagewise roasting. The method is easy to operate and short in preparation cycle, and the product is high in quality and consistency, and can be continuously and industrially produced.

The invention provides a tank type fermentation process for preparing low-salt chili oil thick broad-bean sauce by premixing and feeding. The tank type fermentation process comprises the following steps: putting a fermented dried chili base material and broad-bean sauce, which are obtained by tank type fermentation, into a premixing groove according to the mass ratio of (7 to 7.5) to (2.5 to 3), and feeding a mixture into a chili base material fermentation tank by adopting an underflow pump; uniformly mixing to enable the salt concentration of the material to be 10 percent to 12 percent and the moisture content to be 70 percent to 75 percent; adding saccharomycete bacterial powder into the tank; keeping constant temperature of 25 DEG C to 40 DEG C and introducing sterile air and fermenting for 4 to 5 days; then adding cooled cooked rapeseed oil into the material subjected to fermentation and dehydration treatment; heating and sterilizing to obtain a chili oil thick broad-bean sauce product. According to the method provided by the invention, the flavor and umami of a product are further improved when the requirements on quality are met; a pollution problem in a production process is avoided; meanwhile, a unique flavor of traditional Pixian thick broad-bean sauce is also kept; an occupied land is small, so that the tank type fermentation process is suitable for large-scale industrial production and the market demand of the Pixian thick broad-bean sauce is satisfied.

The invention discloses a radiator fan wind scooper, and relates to the technical field of engineering machinery manufacturing. For the radiator fan wind scooper, a diversion block is arranged on each of at least two of four inner corner parts of the original wind scooper, so the straight ribs of the inner corner parts of the original radiator fan wind scooper is turned into rounding-off angles; and the hot air generated by the radiator is smoothly discharged out of the radiator without generation of turbulent flow blocking the flow while passing through the smooth curves of the diversion blocks on the inner corner parts of the radiator fan wind scooper, so the cooling efficiency of the radiator is improved. The radiator fan wind scooper disclosed by the invention has characteristics of being low in manufacturing cost and strong in university.

The invention relates to a preparation method of a carbinoxamine maleate sustained-release suspension, and belongs to the technical field of drug preparation; two techniques of ion exchange and reaction kettle emulsion solvent volatilization drying coating are creatively simultaneously used for controlling drug release, and the carbinoxamine maleate sustained-release suspension which can be sustained-released is obtained, so that the carbinoxamine maleate in-vivo blood drug concentration is more smooth and steady, and the drug effect is more lasting; compared with conventional suspension preparation technologies, the technology greatly reduces the production cost while ensuring the production capacity, moreover, the whole operation process can be operated in a reaction kettle, the utilization rate of equipment is effectively improved, and at the same time, the reaction kettle parameters are convenient to control and are not influenced by external conditions basically.

The invention discloses a low-salt-content tank fermentation method of Pixian thick broad-bean chili sauce by using premixed materials. The low-salt-content tank fermentation method of the Pixian thick broad-bean chili sauce by using the premixed materials comprises the following steps of putting broad-bean-half paste prepared by carrying out tank fermentation and fermented dried chili pepper bases into a material mixing tank at a mass ratio of 4 to 6, and carrying out premixing; introducing the premixed materials into a chili pepper base fermentation tank by adopting a slurry pump, and carrying out uniform mixing; making salinity of the mixture at 10-12%, and water content of the mixture at 60-65%; controlling the temperature at 15-20 DEG C, and introducing sterile air so as to carry out fermentation; adding yeast powder after 3-5 days of fermentation, and carrying out uniform mixing; carrying out fermentation for 75-90 days so as to obtain the Pixian thick broad-bean chili sauce; and then, performing vacuum dehydration treatment on the Pixian thick broad-bean chili sauce so as to obtain a Pixian thick broad-bean chili sauce product of which the water content is 50.00% or lower, and the salt content is 12.00-15.00%. The low-salt-content tank fermentation method of the Pixian thick broad-bean chili sauce by using the premixed materials meets quality requirements, and further improves aroma and delicious taste of the Pixian thick broad-bean chili sauce; moreover, pollution problems during preparation processes of the Pixian thick broad-bean chili sauce are also avoided. The method also retains unique flavor of traditional Pixian thick broad-bean chili sauce, and is small in floor area and suitable for large-scale industrial production; and thus, market demands for the Pixian thick broad-bean chili sauce is satisfied.

The invention belongs to the technical field of memory alloy processing, and discloses a special memory alloy for a tunnel smoke exhaust fire damper and a preparation method thereof. The special memory alloy is prepared from the following components in percentages by weight: 14.5% of nickel, 35.2% of palladium, 49.6% of titanium and the balance of copper. The preparation process of the special memory alloy comprises material mixing, compaction and SHS synthesis. The preparation cycle of the method disclosed by the invention is just several minutes to dozens of minutes, the phase-transition temperature of the prepared alloy is 230 to 250 DEG C, the completed restorability strain can reach about 4%, and the method is applicable to tunnel fire hazard and fire control fields.

The invention relates to a mask manufacturing method based on a fused deposition in-situ 3D printing technology, in particular to a replaceable filter element mask manufactured based on the fused deposition modeling in-situ 3D printing technology, and the mask comprises a main body general part of the mask and is manufactured on a large scale through an injection mold. The mask further comprises a face fitting customization part, firstly, the face three-dimensional features of a wearer are extracted through reverse engineering, a personalized customization part three-dimensional model is established according to the size of an injection mold part and the face features of the user, fused deposition modeling 3D printing is carried out, and finally the integrated mask is formed. The mask with the replaceable filter element is attached to the face of the user, more comfortable to wear, good in sealing performance, better in protection effect and capable of being recycled. According to the method, mold manufacturing and 3D printing manufacturing are combined, the actual use requirement can be well met, the machining period can be shortened, the cost can be reduced, and the method is suitable for batch production.