50 results about "Economic advantage" patented technology

The invention discloses a stiff composite pile structure for a fan foundation and a design method, a composite pile comprises an anti-corrosion outer core reinforcement body, an anti-corrosion inner core rigid pile and a pile end bearing mechanism, and the anti-corrosion outer core reinforcement body, the anti-corrosion inner core rigid pile and the pile end bearing mechanism are coaxially nested or fixedly connected to form a composite anti-corrosion and cooperative bearing structure; the design method covers the whole process of geological survey, parameter design, performance checking calculation and the like. The problems that under the plain complex geology, the pile body is poor in corrosion resistance, not matched in bearing capacity and large in construction difficulty are solved in a targeted mode, the beneficial effects of being long in corrosion resistance service life, high in cooperative bearing efficiency, high in adaptability and excellent in economical efficiency are achieved, and the long-term service requirement of a draught fan foundation can be met.

The invention relates to a green residue-reducing epoxypropane production device and method, and belongs to the field of energy-saving and environment-friendly chemical equipment. The production device disclosed by the invention not only reduces the concentration of hydrogen chloride in chlorohydrin entering a saponification system and the dosage of lime milk in saponification, but also remarkably reduces the amount of filter residues needing to be additionally treated, so that more effective cost control is realized while the production efficiency is improved and green residue reduction is promoted; the production cost of the epoxypropane is greatly reduced, and the economic advantage is remarkable.

The invention relates to a molasses-added binder-containing formulation for use in the production of wood-based composite boards, which provides cost savings and environmentally friendly production, as well as a preparation method of this binder-containing formulation. The invention aims to introduce a binder-containing formulation capable of maintaining the physical and mechanical properties of wood-based composite boards at a high level, while reducing the amount of free formaldehyde by up to 70%. Furthermore, another object of this invention is to propose an economical binder-containing formulation in the production of wood-based composite boards. Within the scope of the invention, a binder-containing formulation with high biobinding properties is created, thus enabling an environmentally friendly production process. In this way, a binder-containing formulation is made possible that both supports environmental sustainability and provides economic advantages.

The invention belongs to the field of petrochemical engineering, discloses a high-temperature change-membrane reactor coupled water gas shift hydrogen production process comprehensively considering heat energy utilization, and provides a set of two-stage series water gas shift process of a high-temperature reactor and a membrane reactor. And the reaction temperature of the second-stage conversion is matched with the high-temperature conversion, so that the reduction of the energy grade is avoided, and the yield of high-quality steam is increased. And meanwhile, the selective separation of hydrogen also promotes the liquefaction latent heat of water to be fully utilized on the reaction side, and the quality of the produced steam is further improved. Compared with the traditional process, the hydrogen production system provided by the invention has the advantages that under the condition of a certain raw material conversion rate, the hydrogen recovery rate reaches 93.8%, the steam output value is increased by 16.2% on year-on-year basis every year, the total equipment investment of the whole system process is saved by 42.1% on year-on-year basis, the operation cost is saved by 12.1% on year-on-year basis every year, and remarkable economic advantages are achieved.

The invention discloses a high-durability mask system and an application method of the high-durability mask system in mechanical shot peening selective area strengthening, and belongs to the technical field of surface engineering. The invention provides a mask design of a multi-layer composite structure, a precise positioning and fixing system and a special process parameter system. The mask plate adopts a composite structure of the matrix layer, the wear-resistant layer and the anti-fatigue layer, so that the shock resistance and the wear resistance of the mask plate are improved; the positioning system is beneficial to keeping the stability and the repeated positioning precision of the mask plate under the working condition of strong vibration; and the special process parameters are matched and optimized aiming at the application scene of the mask plate. The invention aims to improve key technical problems when a mask shielding method is applied to a mechanical shot peening process, improve the precision and efficiency of selective shot peening strengthening, reduce the comprehensive manufacturing cost, and enable the service life of a mask system and the boundary precision of a selective strengthening region to be generally superior to those of a traditional scheme. And the method has a certain economic advantage while the fatigue performance is improved.

The invention discloses a safe and efficient epoxypropane saponification reaction device and a safe and efficient epoxypropane saponification reaction method. The saponification reaction device comprises an outer wall, and tower plates, a feeding hole and a discharging hole which are arranged in the outer wall, wherein the top pressure of the saponification reaction device is P1, and the kettle pressure of the saponification reaction device is P2, P2gt; the difference value meets the relational expression of 0 kPad; (1), P2-P1 < = 20 kPa. According to the device, the condition that a saponification reaction device is easy to block is greatly improved, the production efficiency is remarkably improved, and the economic advantage is remarkable. In addition, the saponification reaction device also remarkably improves the safety and reduces the accident rate.

The invention discloses a method for marking strontium in enhanced and released crustacean yoke cardia bones, and relates to the field of fishery resources and environments. The method comprises the following steps: culturing the crustacean aquatic animals in a strontium-containing water body, and labeling the yoke cardia bones of the crustacean aquatic animals with strontium. According to the method, various potential target tissues of crustaceans are systematically screened, it is determined that the yoke cardia bone is the most suitable target organ marked by the strontium element for the first time, the enrichment effect of the strontium element is remarkable and stable, the marking characteristics are clear and easy to detect, and the problem that due to shell molting, a traditional marker is prone to falling off is effectively solved. Compared with a conventional method, the marking cost is greatly reduced, and the economical advantage is outstanding; and meanwhile, by virtue of the strong specificity of the element fingerprints, a release group and a natural group can be accurately distinguished, the core requirements of enhancement release on the stability and traceability of a marking technology can be met, and an efficient and reliable technical support is provided for release effect evaluation and population tracking management in crustacean wild resource restoration.

The invention provides a power system inertia evaluation method and system without frequency differential, and belongs to the technical field of power system inertia evaluation, and the method comprises the steps: carrying out the frequency slope test of a converter when a power supply or a load which takes the converter as a grid-connected interface operates in a grid-connected manner, enabling the frequency of a power grid to generate slope change, and carrying out the frequency slope test; recording converter power data measured in the frequency slope test process; the method comprises the following steps: preprocessing converter power data measured in a frequency slope test process, and then separating a constant component from the converter power data; and evaluating the inertia of the power system according to the separated constant component. According to the method, the existing power step test is replaced by the frequency slope test, so that frequency differential and differential operation which is susceptible to interference in the prior art is avoided, and the inertia evaluation precision is obviously improved; the established inertia evaluation model can reflect the influence of the speed regulator of the synchronous machine in the power system, and the inertia evaluation precision is further improved; and a special inertia evaluation device does not need to be additionally invested, so that the method has a relatively high economic advantage.

The invention provides a bending and loading device for a fiber reinforced thermoplastic resin composite material stirrup, an assembling method and a using method, and belongs to the field of fiber reinforced thermoplastic resin composite material stirrup preparation devices. The problem that an FRTP stirrup bending die with the economical advantage and a special loading device capable of accurately simulating the actual loading boundary need to be developed urgently is solved. Based on the reversible phase change characteristic that the thermoplastic composite material rib is softened during heating and cured during cooling, in the stirrup manufacturing stage, the loading block and the radius adjusting block are assembled according to needs so that the loading block and the radius adjusting block can cooperate to form the bending mold. After the stirrup is manufactured, the assembled bending die can be combined with the limiting block and the loading knot conveniently to form a set of stirrup loading device matched with the tensile machine. Through modular design of the radius adjusting block, the length adjusting block and the like, one set of device can adapt to production and loading of stirrups of multiple specifications.

The utility model relates to the field of underground engineering building construction, in particular to a construction trestle which comprises a trestle bearing reinforced concrete frame structure and a bridge deck, the trestle bearing reinforced concrete frame structure comprises trestle columns, trestle longitudinal beams and trestle cross beams, and the bridge deck is formed by combining steel members. And the bridge deck slab is simply supported and fixed on the trestle cross beam. According to the bridge deck assembled by the steel members, the trestle can be quickly mounted and dismounted, the input of non-renewable resources and the generation of construction waste are reduced, the construction efficiency is remarkably improved, the whole life cycle cost is reduced, and the bridge deck has remarkable technical and economic advantages. The bridge deck slab adopts modular design and factory standardized production, and reduces field processing time, so that the construction period is shortened, the bridge deck slab can be reused, and resources are saved.

An improved Ocean Thermal Energy Conversion system (called OTEC) is presented herein by the addition of a closed heat transfer loop. In conventional OTEC, warm surface waters are used to vaporize a working fluid for use in a turbine, and cold waters are then brought up from deep water, typically more than 1000 meters, to condense the working fluid. In simple terms conventional OTEC brings the cooling potential up to the warm surface. In contrast the disclosed OTEC system brings the heat down to the deep cold waters by using a separate heat transfer fluid loop. We refer to this as Enhanced OTEC or E-OTEC. A key feature of the process is descending to the depths as a dense fluid thereby gaining a gravitational boost in pressure and temperature. This leads to several technological, performance, and economic advantages over prior art.

The invention belongs to the technical field of nonlinear synthetic crystals, and particularly relates to a method for improving the intense laser-induced damage resistance of nonlinear synthetic crystals. The method comprises: electrifying nonlinear synthetic crystals by means of a stabilized DC power supply under a certain atmosphere. The invention can effectively decrease the density of pinpoint damage in nonlinear synthetic crystals by means of an “electrification method”, thus optimizing the intense laser-induced damage resistance of the nonlinear synthetic crystals and particularly fulfilling a more obvious improvement effect on defects with a greater damage threshold. The electrification method provided by the invention is expected to further reduce the damage probability in a case where an ultraviolet nanosecond pulse laser fluence with a wavelength of 355 nm or 351 nm is greater than 8J / cm2 to improve the damage resistance of crystals. The electrification method further implemented based on laser conditioning provided by the invention is a novel comprehensive method for improving the damage resistance of crystals and has a great has a great economical advantage.

A cable-stayed bridge comprises a midspan area, near-tower areas and side span areas, the midspan area is arranged in the middle of the cable-stayed bridge, the near-tower areas are located on the left side and the right side of the midspan area, and the side span areas are located on the left side and the right side of the near-tower areas. The midspan area adopts a steel-ultra-high performance concrete combined bridge deck slab, the near-tower area adopts an ultra-high performance concrete bridge deck slab, and the side span area adopts a common concrete bridge deck slab; the midspan area and the near-tower area are connected through a first variable-thickness ultrahigh concrete combination section, and the near-tower area and the side span area are connected through a second variable-thickness concrete combination section. The structure not only well adapts to and meets the stress requirement, but also is convenient to construct and lower in later maintenance cost, and has obvious engineering technical economic advantages.

The utility model relates to the technical field of cable trays, in particular to a multifunctional integrated tray system for submarine cable turnover, which comprises a cable tray and a trestle main body, the trestle main body is arranged at the upper end of the cable tray, and the trestle main body comprises a rotary driving shaft, a cross beam trestle and a take-up and pay-off adjusting device. A cross beam trestle is arranged at the upper end of the rotary driving shaft, and one side of the cross beam trestle is slidably connected with a take-up and pay-off adjusting device. According to the finished product tray, the defects that a traditional finished product tray is single in cable storage specification and a plurality of finished product trays need to be arranged for cables of various specifications are effectively overcome, the trestle on the upper portion can rotate by 360 degrees, when the tray is not used, the tray can be matched with a factory trestle and used for cable transmission, the problem that a traditional bow trestle is large in turnover quantity is solved, and the production efficiency is improved. The multifunctional integrated tray system provides an efficient, economical and reliable solution, is used for turnover and management of submarine cables, and has remarkable technical and economic advantages.

This invention relates to a method for preparing and using a biopolymer chitosan-modified magnetic sepiolite adsorbent. First, sepiolite (Sep) is co-precipitated with a magnetic core (Fe3O4) to magnetically modify it, yielding magnetic sepiolite (MSep). Then, chitosan (CTS) is extensively cross-linked onto the MSep surface using glutaraldehyde as a cross-linking agent, preparing a functionalized magnetic solid adsorbent (MSep@CTS) with a complete core-shell structure and abundant adsorption sites. Importantly, this material exhibits excellent adsorption performance for antimony ions and synergistic adsorption capacity for both Sb(III) and Sb(V) co-occurring in water. This "easy to obtain, easy to prepare, highly efficient, and clean" characteristic provides significant economic advantages and sustainable development potential while achieving high-performance adsorption, laying a solid foundation for large-scale practical applications.

The present invention relates to a method for improving strong-laser-damage resistance of a nonlinear artificial crystal, comprising using a direct-current regulated power supply to energize a nonlinear artificial crystal under a certain atmosphere condition. By means of an energization method, the density of pinpoint damage in the structure of a nonlinear artificial crystal can be effectively reduced, thereby optimizing strong-laser-damage resistance of the nonlinear artificial crystal; and the effect is more obvious particularly for the defects having higher damage thresholds. The provided energization treatment is expected to further reduce the damage probability when the fluence of an ultraviolet nanosecond pulse width laser having a wavelength of 355 nm or 351 nm exceeds 8 J / cm2, thereby improving the damage resistance of a crystal. On the basis of laser pretreatment, further performing energization treatment is a new comprehensive method for improving the damage resistance of a crystal, having huge economic advantages.

The present invention discloses a manufacturing method and structure of a glass substrate with a high aspect ratio. In this case, low-aspect-ratio vias are respectively formed on two substrates through steps A to C, and then the two substrates are stacked and bonded using anisotropic conductive adhesive, significantly reducing the manufacturing difficulty and improving the via formation accuracy and yield. In step D, a seed layer is deposited on the low-aspect-ratio vias, reducing the process capability requirements, breaking through the industry limitations, saving production costs, and at the same time improving the deposition quality and yield. Steps E and F are based on the already fabricated low-aspect-ratio vias, electroplating to fill the vias, and then using the anisotropic conductive adhesive to the bottom of the vias, greatly reducing the process capability requirements for electroplating via filling, saving costs, ensuring uniform filling, reducing the porosity, and improving the conductivity and reliability. Overall, the solution in this case simplifies the process, reduces the difficulty, improves the efficiency and yield, and has significant technical and economic advantages.

The utility model is suitable for the technical field of printed circuit board manufacturing, and provides a printed circuit board inner layer target exposing device which comprises a conveying mechanism used for conveying a printed circuit board, and a pressing plate mechanism used for pressing and fixing the printed circuit board is installed on the conveying mechanism. A positioning ablation assembly is further arranged on the upper side and / or the lower side of the conveying mechanism, the positioning ablation assembly comprises a visual mechanism, an X-direction module, a Y-direction module and a laser, the X-direction module is installed on the Y-direction module, and the visual mechanism and the laser are further installed on the X-direction module. According to the utility model, through a mode of ablating the copper sheet on the surface layer by laser and combining with machine vision positioning, rapid, high-precision, low-cost and consumable-free inner-layer target exposure is realized, and the device is particularly suitable for processing the printed circuit board with the thickness range of 0.075-2.4 mm, and has remarkable technical and economic advantages.

The present invention, using a power supply to connect a nonlinear artificial crystal to an electrical source under certain atmospheric conditions, can effectively reduce the density of point damage in the nonlinear artificial crystal by means of the "electrical connection method," thereby optimizing the resistance of the nonlinear artificial crystal against damage caused by a powerful laser, particularly the effect being more pronounced for defects with a higher damage threshold. The electrical connection treatment is expected to further reduce the probability of damage caused by an ultraviolet nanosecond pulse-width laser flux with a wavelength of 355 nm or 351 nm that exceeds 8 J / cm² and improve the crystal's resistance to damage. Based on laser pretreatment, this novel method for improving crystal resistance to damage offers a significant economic advantage.

The present invention relates to a long-endurance flight backpack based on turbo-electric hybrid power, comprising a power system, an electric propulsion system, a skeleton, a manned portion, and a flight control system; the power system comprises an energy storage component and an energy conversion component. This invention achieves efficient power utilization for long-endurance flight, flexible power distribution for optimal flight performance, and offers environmental and economic advantages, suitable for low-altitude flight, with broad development prospects.

The invention relates to a low-temperature service life prolonging device for an energy storage system suitable for various natural cold source conditions. The low-temperature service life prolonging device is used for prolonging the service life of an onshore energy storage system or an offshore energy storage system in a random complex scene. The equipment is communicated with a low-temperature water body in an external natural cold source through a pipeline, the external natural cold source is used for direct cooling, heat dissipation consumption can be reduced, the service life of the equipment is prolonged, and meanwhile a large amount of cost is saved. Compared with the prior art, the accumulative service life of the battery module is remarkably prolonged by designing a low-temperature environment, the battery capacity fluctuation and the long-term maintenance cost are reduced, higher economical efficiency and reliability are achieved, and the method is particularly suitable for new energy storage scenes such as wind power and solar energy; compared with the prior art, although the seabed energy storage system can also utilize an external natural cold source, the scheme has obvious economic advantages on this point due to the special sealing requirements, environmental requirements, technical difficulty and extremely high cost of the seabed energy storage system.

This invention provides a circumferential support structure to improve the overall rigidity of the stator foundation. The circumferential support structure is arranged circumferentially between two adjacent stator foundation piers, and it passes through the inner side of the ventilation channel between the two stator foundation piers in a sealed manner. This invention features a compact structure. While ensuring the ventilation channel is adequately utilized, a circumferential support beam is installed between two adjacent stator foundation piers, connecting the circumferentially spaced stator foundation piers into a unified whole. This invention not only guarantees the required area of ​​the ventilation channel within the stator foundation but also improves the overall rigidity of the stator foundation, especially the circumferential rigidity of the structure. This is beneficial for improving the overall structural integrity and load-bearing capacity of the stator foundation, reducing unit vibration effects, and enhancing the safety of the stator foundation. This invention has a wide range of applications and significant technical and economic advantages.

The application discloses a novel attitude control system and method of a wind turbine, which comprises a data measurement part, a processor and an executing mechanism.The data measurement part is used to measure the attitude of the structure of the wind turbine based on sensors and input the attitude variables to the processor.The processor is used to correct and calculate the control variables based on the attitude variables input by the data measurement part and transmit the calculation results to the executing mechanism.The executing mechanism is used to execute corresponding actions according to the calculation results transmitted by the processor.The application can realize the yawing of the cabin and the variable pitch of the blades of the conventional wind turbine, and additionally realize the coordinated control of the inclination angle of the main shaft and the cone angle of the wind wheel, so that the novel wind turbine can more flexibly cope with various complex wind conditions, meanwhile, the novel wind turbine can keep higher power output efficiency, guarantee the best wind power capture and structural stability of the novel wind turbine under any wind speed section, and finally, the novel wind turbine can reflect obvious technical advantages and economic advantages compared with the conventional wind turbine.

The present application relates to the field of heterocyclic synthesis and the field of organic photocatalysis, in particular to a preparation method and application of pyrrolo [3,4-c] pyrrole-1,3(2H,5H)-dione derivatives. The present application realizes one-step synthesis of a new photocatalyst, pyrrolo [3,4-c] pyrrole-1,3(2H,5H)-dione derivatives, from tetrahydroisoquinoline and methylene succinimide compounds under catalysis of elemental iodine in an air atmosphere. The technical scheme has the following advantages: (1) the required reagent is stable in nature, does not need pretreatment, is cheap and easy to obtain; (2) one-pot synthesis, obvious economic advantage in steps, no need for water-free and oxygen-free operation, time and labor saving; (3) the molecule itself does not contain metal elements, and no transition metal catalyst is needed, which fundamentally eliminates the problem of metal residues; (4) the use of cheap elemental iodine catalysis reduces environmental pollution and saves reaction cost; (5) the series of derivatives all have suitable oxidation-reduction potentials, and can be used as photocatalysts to catalyze multiple reactions; (5) as a catalyst, the catalytic efficiency is high, and only 0.5-1% loading is needed to catalyze the reaction.

The present invention relates to prefabricated shear reinforcement that is built in the interior of a slab around a column, more specifically to prefabricated shear reinforcement that is capable of having a plurality of bottom and top main bars whose one end extending into a column and a spiral stirrup bent continuously to form a plurality of rectangular shapes surrounding the bottom and top main bars, thereby having excellent fabrication, constructability, and space utilization, providing economical advantages, minimizing labors needed on a construction site, and reducing a period of construction.

The utility model discloses a simple measuring device for the elasticity modulus of a rubber part, which comprises a base, a digital display altimeter is arranged on the base, a bottom plate for placing a rubber sample piece to be measured is also arranged on the base, a pressing plate is arranged above the rubber sample piece to be measured, the digital display altimeter comprises a dial indicator, and a measuring pin of the dial indicator is propped against the upper surface of the pressing plate. According to the utility model, the structure is simple, the arrangement of the dial indicator, the pressing plate, the hook and the double-hook weight helps a worker to obtain the elastic modulus of the rubber sample piece to be measured, and the measuring tool is easy to manufacture, low in cost, simple and uncomplicated to operate, low in professional requirement for the operator, capable of being operated by hand after demonstration once, and almost free of potential safety hazards; the numerical value can be directly read or obtained through simple addition and subtraction, the device is simple, reliable, convenient to move and not prone to damage, and compared with a method for calculating the elastic modulus by measuring stress and strain through a professional computer system, the manufacturing cost and the personnel training cost are greatly reduced, and the economic advantage is obvious.

The invention belongs to the technical field of calcium carbonate materials, and relates to fusiform calcium carbonate dispersible ultrafine particles as well as a preparation method and application thereof. The fusiform calcium carbonate dispersible ultrafine particle has a specific surface area of 5.5-9.5 m < 2 > / g, D50 of 2.20-2.80 [mu] m, D97 of 5.20-6.50 [mu] m, an oil absorption value of 32-45g DOP / 100g and a sedimentation volume of 4.5-7.8 mL / g, has the characteristics of narrow particle size distribution, large sedimentation volume and good covering power, is free of additives, is particularly suitable for manufacturing high-grade cigarette paper, and has a wide market application prospect. Meanwhile, the invention also provides a preparation method of the calcium carbonate, the method can be used for preparing narrow-distribution superfine calcium carbonate at a relatively high concentration, the product index is stable and controllable, and the method has certain economic advantages and is suitable for industrial large-scale production and application.

This invention discloses a functional magnesite composite material and its preparation method, belonging to the field of building materials technology. This invention introduces specific functional groups onto the surface of magnesite powder through chemical modification, significantly improving the material's adsorption performance and stability. The method is simple, with mild reaction conditions, and the resulting composite material possesses high specific surface area, abundant active sites, and excellent chemical stability, making it widely applicable in wastewater treatment. Compared to magnesite composite materials, the composite material prepared by this invention has adjustable functions, low cost, and is easy to scale up, exhibiting significant technical and economic advantages.

The invention relates to the field of charging piles, and provides an all-weather charging pile thermal management system which can automatically adjust a thermal management strategy in real time according to different weather conditions, such as the situation that raindrops possibly intrude into a charging pile through a heat dissipation window in rainfall weather and the situation that a large amount of floating dust possibly intrudes into the charging pile through the heat dissipation window in sandstorm weather. According to the heat management system, the electric baffle is controlled to pivot or slide to adjust the current ventilation caliber of the heat dissipation window based on the real-time temperature in the pile and the invasion amount of foreign matter in unit time, so that the dual requirements of charging pile heat dissipation and foreign matter invasion prevention are met. According to the heat management system, the operation cost is reduced while the safety and the heat dissipation efficiency are guaranteed, and compared with a liquid cooling heat dissipation system which is complex in structure and high in cost, the heat management system has remarkable economic advantages and can adapt to different weather conditions, and it is guaranteed that the charging pile stably and safely operates in different outdoor environments. Meanwhile, the invention further provides a management method of the thermal management system.

The embodiment of the invention discloses an SMC recycled multi-layer material, a preparation mold and a preparation method.The SMC recycled multi-layer material comprises an SMC semi-finished product and a foaming material layer, the SMC semi-finished product comprises a top plate and a surrounding edge arranged around the outer edge of the top plate, a cavity is formed by the top plate and the surrounding edge, and the foaming material layer is arranged in the cavity. The cavity is filled with the foaming material layer, and the interior of the foaming material layer is evenly filled with crushed SMC recycled materials. According to the multi-layer material for recycling the SMC, the mechanical performance of the multi-layer material is guaranteed, and meanwhile efficient recycling of the waste SMC is achieved. The filling of the foaming material layer reduces the density, improves the sound insulation characteristic, optimizes the processing adaptability, reduces the production cost, and has the advantages of environmental protection and economy.