8results about How to "Uniform distribution" patented technology

The invention discloses a rotary counter-hedge industrial waste gas desulfurization system and a process thereof, comprising a reaction cylinder, wherein a top cover is fixedly connected to the top of the reaction cylinder, and an air inlet pipe is arranged on one side of the top cover; the rotary stirring action of the transmission blades is helpful to maintain the uniform distribution and flow state of the gas-liquid two phases in the mixing cylinder, which can accelerate the material diffusion and mass transfer process, and can increase the gas-liquid contact surface, thereby improving the efficiency of the desulfurization reaction; at the same time, the dirt, sediment and residue on the inner wall surface of the reaction cylinder and the mixing cylinder are cleaned by a soft scraper and a cleaning brush, thereby reducing the obstruction of the dirt to the gas-liquid reaction, allowing the gas and liquid to flow and mix more smoothly, thereby improving the desulfurization efficiency of the equipment, and the continuously rotating nozzle can make the reaction liquid spray into the waste gas in a more uniform and wider manner, thereby increasing the contact area of ​​the gas-liquid two phases, thereby accelerating the mixing effect between the waste gas and the reaction liquid.

The invention discloses a low-frequency load shedding method, system, equipment and medium for a power grid containing new energy, and the method comprises the steps: firstly, considering the load shedding qualified rate, the load shedding deviation rate and the control stability, and putting forward a low-frequency load shedding method evaluation index system; then, by taking the minimum total load shedding amount and the minimum low-frequency load shedding evaluation index as targets, constructing a low-frequency load shedding setting model of the power grid containing the new energy; and finally, introducing chaotic mapping and a self-adaptive weight optimization Hereum optimization algorithm, and solving the model by adopting an improved Hereum optimization algorithm. According to the low-frequency load shedding method for the power grid containing the new energy, the load shedding amount and the dynamic frequency deviation are relatively smaller, the frequency recovery stability capability is higher, and the safe and stable operation level after the power grid breaks down is improved.

The invention belongs to the technical field of polyurethane, and proposes a vibration-damping and vibration-isolating polyurethane elastic pad capable of filtering low-frequency vibration and a preparation method thereof, wherein the raw materials include a polyol component and an isocyanate component in a mass ratio of 100:70; the polyol component includes 50-70 parts of polyether polyol I, 20-30 parts of polyether polyol II, 5-8 parts of a chain extender, 0.2-0.5 parts of water, 0.2-0.5 parts of a modified boron nitride nanosheet, 1-1.5 parts of a foam stabilizer, and 0.4-0.6 parts of a catalyst; the isocyanate component is carbodiimide-modified MDI; the modified boron nitride nanosheet uses melamine and cyanuric acid to perform surface modification on the boron nitride nanosheet. In the present invention, the modified boron nitride nanosheet can be evenly dispersed in the polyurethane raw material, so that the composite nanosheet can also maintain a relatively uniform distribution state in the elastomer after casting and foaming.

The utility model provides a kind of combined disc spring device's assembly structure, belong to disc spring assembly technical field, the assembly structure of this combined disc spring device, including disc spring body, compression sleeve ring and positioning pin, disc spring body is conical platform and is provided with central through-hole in center, the outer circumferential edge of disc spring body forms annular pressure surface downward, compression sleeve ring is circular ring structure and is sleeved in the outside of disc spring body, annular gap is formed between the inner circumferential surface of compression sleeve ring and the outer circumferential surface of disc spring body, positioning pin is arranged on the side wall of disc spring body, one end of positioning pin is fixed on disc spring body, the other end of positioning pin extends to the inside of compression sleeve ring and is abutted with the inner circumferential surface of compression sleeve ring, the upper end surface of compression sleeve ring is provided with annular boss, annular boss is evenly distributed with limit groove along the circumferential direction of compression sleeve ring, the extension end of positioning pin is inserted into limit groove, pre-compression space is formed between the lower end surface of disc spring body and the inner circumferential bottom surface of compression sleeve ring.

The application relates to the field of mechanical lubrication, in particular to a bearing grease injection mold and a grease injection method, which comprise a bearing grease injection mold, the mold comprising a grease injection mold, a radial positioning piece and a grease injection ring, one end of the grease injection mold is a fitting end which is fitted with a bearing end face, the other end is provided with a grease injection groove, a grease injection flow channel is arranged at the bottom of the groove; the radial positioning piece is connected with the grease injection mold and can be matched with the inner diameter / outer diameter of the bearing; the grease injection ring is connected with the fitting end, one end of the grease injection ring away from the fitting end can be embedded between the inner ring and the retainer or the outer ring and the retainer of the bearing, the grease injection ring is provided with a grease injection hole which is communicated with the grease injection flow channel, the grease injection ring further comprises an embedding ring, an inserting ring and the like, and the application further comprises a bearing grease injection method, such as A / B surface grease injection and the like. The application achieves the technical effects of accurately and efficiently injecting grease into the bearing, ensuring that the grease injection amount meets the requirements and improving the lubricating effect of the bearing.

This invention relates to the field of temperature control technology in refractory duct processing, and discloses an intelligent temperature control method and system for refractory duct processing. The method includes the acquisition and analysis of real-time temperature data and external environmental fluctuation data to achieve precise temperature control. The system analyzes temperature trends based on an initial temperature distribution map combined with a fuzzy rule base, identifies overheated areas, and adjusts the heating power. Power allocation is optimized through a multi-physics coupling model and historical processing data to generate a temperature equilibrium model. Further, by combining a temperature prediction model and feedback data, the power allocation is iteratively corrected to ensure a stable heating process and eliminate residual temperature differences, ultimately outputting a balanced heat distribution, improving material performance consistency and processing quality. This method can adjust power in real time to cope with dynamic changes in the external environment and material properties, thereby improving processing quality.

The application discloses an immune elicitor for inducing the resistance of apple trees to aphids and application thereof, relates to the field of agricultural ecological technology, and aims to solve the technical problem of easy oxidation and inactivation of active components in the long-term storage process of the current immune elicitor for apple trees. The preparation mode of the elicitor is limited domain coating matrix construction, active elicitor system introduction and response regulation component introduction. In the spraying process of the response regulation component, the wettability and spreading ability of the pesticide solution on the surface of the apple tree leaves are improved through the organic silicon component. The three-dimensional composite network coating system composed of modified nanocellulose and sodium alginate is constructed, so that the active elicitor component is stably limited in a low diffusion environment. Meanwhile, the ion action mechanism of the response regulation component in the spraying process is combined, the gradual release of the active elicitor component in the application stage is realized, and the synergistic balance between the storage stability and the application effectiveness is realized.

The present invention relates to a high-compatibility and high-strength PCABS alloy material and a preparation method thereof, wherein the high-compatibility and high-strength PCABS alloy material comprises the following components by mass: 40-60 parts of PC resin, 15-30 parts of ABS resin, 1-5 parts of modified compatibilizer, 5-10 parts of silica, and 3-5 parts of auxiliary agent; wherein the modified compatibilizer is a product of PP-g-MAH and modified silica after melt blending reaction; and the modified silica is a product of silica grafted with gluconic acid. The present invention effectively improves the affinity of polymer resin and filler, and promotes the improvement of various properties such as stability and mechanical strength of PCABS alloy. At the same time, the present invention has simple steps and low raw material cost, and solves the problems in the prior art.