11results about How to "Realize green development" patented technology

The invention relates to the technical field of forestry engineering, in particular to a preparation method and application of urea-based phenolic resin based on urea-formaldehyde waste glue depolymerization. The preparation method comprises the following steps: pretreating urea-formaldehyde waste glue, depolymerizing and reactivating to obtain a waste glue hydrolysate; the waste glue hydrolysate is added in the synthesis process of the phenolic resin to prepare the ureido phenolic resin. Aiming at the problem of treatment of the urea-formaldehyde resin waste glue solution, the invention combines the actual production of artificial board products, develops the reactivation process research of the waste glue solution to realize the resource utilization research of urea-formaldehyde resin, and has certain creativity. The invention aims at reducing the pollution of the waste glue solution to the environment, changing the urea-formaldehyde resin waste glue into wealth and realizing the green development of the artificial board industry. The research scheme has feasibility, the project has good application prospects, double economic benefits will be generated, and good ecological and social benefits are achieved.

The invention relates to the technical field of microorganisms, in particular to a lactobacillus buchneri strain LB-09 and application thereof. The preservation number of the lactobacillus buchneri strain LB-09 is CGMCC (China General Microbiological Culture Collection Center) No.31193, and the preservation date of the lactobacillus buchneri strain LB-09 is July 8, 2024. The lactobacillus buchneri strain LB-09 is subjected to submerged fermentation culture, fermentation liquor is applied to soil, leaf surfaces or seed surfaces, including soil application, leaf surface spraying, seed soaking or root dipping and the like, the disease resistance and the growth condition of crops are improved, and the lactobacillus buchneri strain LB-09 has the advantages of being good in biological safety, high in decomposition capacity, easy to apply and the like, and has a good application prospect. And green development and modernization of agriculture can be realized.

The invention discloses an efficient calcium-based carbon trapping and recycling system and method based on steel slag, in the system, firstly, a Solvay process is applied to steel slag treatment, efficient leaching of free Ca < 2 + > and effective fixation of CO2 in the steel slag are achieved through ammoniation treatment, high-purity CaCO3 is generated, then a novel plasma hydrogen activation CaCO3 decomposition technology is introduced, and the calcium-based carbon trapping and recycling system based on the steel slag is obtained. CaCO3 can be efficiently decomposed into synthesis gas and CaO at a low temperature through plasma hydrogen generated by the plasma generator, the synthesis gas returns to a blast furnace to replace metallurgical coke to reduce iron ore, CO2 resource recycling is achieved, CaO serves as a value-added product, and economic benefits are improved. According to the method, recycling of calcium ions in the steel slag and low-energy-consumption and low-cost trapping of the CO2 in the flue gas are achieved through cooperation of the steel slag and CO2 mineralization fixation and in-situ conversion. And meanwhile, CaO and synthesis gas value-added products are co-produced, so that the method has great economic value and social effect.

The invention relates to the technical field of carbon emission reduction evaluation, and particularly provides a carbon emission reduction evaluation method and device for a power grid engineering project, and the method comprises the steps: obtaining the index value of each last-stage evaluation index of the power grid engineering project in a pre-constructed carbon emission reduction evaluation system; determining a weight coefficient of each final-stage evaluation index based on the first weight coefficient and the second weight coefficient of each final-stage evaluation index; based on the index value of each final-stage evaluation index and the weight coefficient of each final-stage evaluation index, a fuzzy evaluation method is adopted to obtain a carbon emission reduction evaluation result of the power grid engineering project; wherein the first weight coefficient and the second weight coefficient are respectively obtained based on an analytic hierarchy process and an entropy weight method. According to the technical scheme provided by the invention, the evaluation criterion of the low-carbon power grid construction project is comprehensively analyzed, a comprehensive evaluation index system suitable for carbon emission evaluation of the power grid construction project is obtained, and the method has important significance for improving the carbon emission reduction capability of an enterprise and realizing green development of a power grid.

The present invention provides a plastic admixture for vacuum extrusion molding of ridged vanadium tailings and a preparation method thereof, belonging to the technical field of plastic admixtures. The plastic admixture of the present invention comprises 6 to 36 parts of fiber, 0.5 to 5 parts of water retaining agent, 0.3 to 36 parts of plasticizer and 0.5 to 1.2 parts of coupling agent. The plastic admixture of the present invention solves the problem that the ridged vanadium tailings have low plasticity and cannot be vacuum extruded, realizes the transformation of vanadium tailings into assembled plates by vacuum extrusion, and at the same time enhances the crack resistance and compression resistance of vanadium tailings after extrusion, realizes the comprehensive utilization of vanadium tailings, saves energy and reduces consumption, and turns waste into treasure; at the same time, it reduces the occupation of land resources by tailings storage, reduces the risk of environmental pollution and personnel safety hazards, and realizes green, energy-saving, environmentally friendly and resource-based solid waste utilization.

The invention relates to an air-ground cooperative multi-rotor unmanned aerial vehicle automatic connection device and a connection method thereof. The accurate butt joint of an unmanned aerial vehicle and a ground connection system in a hovering state can be realized. The device comprises an unmanned aerial vehicle connection system frame, a set of unmanned aerial vehicle connection mechanical arm system composed of four mechanical arms, and four connection mechanical claw modules. The unmanned aerial vehicle hovers above the connection system through GNSS positioning and vision assistance, the connection device achieves accurate connection through a mechanical arm and vision assistance, and the operation efficiency and safety of the unmanned aerial vehicle are improved. The technology can be applied to the fields of logistics and the like, and the efficiency of the unmanned aerial vehicle in the automation process can be remarkably improved. The device and the method have the advantages of high efficiency, accuracy, simple and reliable structure, wide application and the like, so that the production cost and the operation difficulty are effectively reduced, high-efficiency and flexible deployment in a flexible scene is realized, large-scale application of the unmanned aerial vehicle is promoted, and green development is promoted.

The invention discloses a circulating water mechanism for automobile cylinder cover processing, which comprises a separating box, a placing platform, a circulating water assembly and a cooling pipe, a plurality of water leakage holes are distributed on the placing platform, a separating plate is arranged in the separating box, the separating plate extends towards one side and is gradually inclined downwards, an inclined overflowing inclined surface is formed on the upper surface of the separating plate, and the water leakage holes are formed in the water leakage holes. A plurality of retention grooves are distributed in the overflowing inclined face, each retention groove is provided with a discharging assembly, a control component used for controlling the discharging assemblies is arranged in the separating box, and a collecting assembly connected with each discharging assembly is arranged in the separating box. And a guide plate for guiding cooling water to fall to the high position of the overflowing inclined plane is arranged in the separation box and located between the separation plate and the placement platform. The device has the following advantages and effects that green separation of cooling water and metal scraps can be achieved, so that the use cost of an enterprise is reduced, pollution is reduced, and green and environment-friendly development is achieved.

The present invention provides a multifunctional outdoor exhibition hall and corner splicing panel, including a wall panel and a corner splicing panel; the corner splicing panel includes a first limiting body, a second limiting body and a main body panel; the cross section of the main body panel is arc-shaped; the first side end of the main body panel located in the arc direction is provided with a first limiting body, and the second side end is provided with a second limiting body; a vertical concave installation groove is provided on the side wall surface of the wall panel; one corner splicing panel is limited and spliced ​​with the vertical concave installation groove at one end of at least one wall panel through the first limiting body to form a basic splicing unit; a plurality of basic splicing units are spliced ​​through the vertical concave installation groove at the other end of the wall panel in a basic splicing unit and the second limiting body in another basic splicing unit to form an exhibition hall frame. The present invention can be applied to the requirements of rapid assembly of houses such as exhibition halls, reduces the manpower requirements in house assembly, and saves time costs.

The present invention provides a light-assisted rechargeable zinc-air battery and a preparation method thereof, belonging to the technical field of metal-air batteries. The technical scheme adopted is: dissolving 2-methylimidazole in anhydrous methanol for ultrasound; placing copper sheet, Zn(NO3)2·6H2O and Fe(NO3)3·9H2O in anhydrous methanol for ultrasound; mixing the above two solutions, centrifuging, washing and drying to obtain FeCu-ZIF powder; dropping N-methylpyrrolidone into a mixture of FeCu-ZIF powder, carbon black and polyvinylidene fluoride, grinding into a paste solid, applying the paste solid on nickel foam, calcining, cooling to room temperature to obtain FeCu-ZIF photoelectrode; assembling the FeCu-ZIF photoelectrode and zinc electrode using a zinc-air battery device, i.e., obtaining a light-assisted rechargeable zinc-air battery. The battery of the present invention uses a FeCu-ZIF photoelectrode with a porous structure, a bimetallic active center and good conductivity on the surface, realizing the synergistic conversion of solar energy, electrical energy and chemical energy in one device, with low economic cost and high energy utilization efficiency.

The invention discloses a special package fertilizer for apple trees in Shandong producing areas, and belongs to the field of fruit tree planting, a base fertilizer comprises a microbial compound fertilizer, a balanced potassium sulfate compound fertilizer and an inorganic fiber soil conditioner, and provides 37 + / -3% of nitrogen fertilizer, 75 + / -3% of phosphate fertilizer and 25 + / -3% of potash fertilizer in the whole growth period; a nitro-sulfenyl high-nitrogen compound fertilizer and humic acid urea are additionally applied in the germination stage, and 31 + / -3% of nitrogen fertilizer, 8 + / -3% of phosphate fertilizer and 6 + / -3% of potash fertilizer in the whole growth stage are provided; a nitro-sulfenyl high-nitrogen compound fertilizer is additionally applied in the first fruit swelling period, and 18 + / -3% of nitrogen fertilizer, 8 + / -3% of phosphate fertilizer and 6 + / -3% of potash fertilizer in the whole growth period are provided; in the second fruit swelling period, the nitro-sulfenyl high-potassium compound fertilizer and potassium sulfate are topdressed, and 12 + / -3% of nitrogen fertilizer, 8 + / -3% of phosphate fertilizer and 61 + / -3% of potash fertilizer are provided in the whole growth period. The special package fertilizer for the apple trees is beneficial for realizing green development of the Shandong apple industry by improving soil, saving cost, promoting growth, improving quality, improving efficiency and increasing production and income.