24 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 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 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 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.

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 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 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.

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.

This invention relates to a standard composite specimen of UHPC (Ultra-High Performance Concrete) with a fully enclosed core concrete and a method for determining its compressive strength, belonging to the field of ultra-high performance concrete. It comprises a core concrete block, made of C20-C60 grade ordinary concrete, in a cubic shape; and a six-sided UHPC fully enclosed layer, made of ultra-high performance concrete, uniformly and completely enclosing the six outer surfaces of the core concrete block, forming a fully enclosed structure. This invention fills the gap in standardized test specimens for UHPC fully enclosed concrete structures, providing a unified and accurate calculation basis for engineering design, and has significant technical and economic advantages.

The process of the present invention provides high recovery and low capital cost giving it an economic advantage over previously known purification processes. The present process has particular applicability to the purification of synthesis gases comprising at least hydrogen (H2), carbon monoxide (CO), methane (CH4), CO2, and H2O to obtain a gas stream including at least H2, CO, and CH4, that is substantially free of H2O and CO2. The process also has applicability to the purification of natural gases inclusive of at least CH4, N2, CO2, and H2O to produce a gas stream including at least CH4 and N2, but which is substantially free of H2O and CO2.

The invention discloses a construction method and application of squalene-producing saccharomyces cerevisiae, and belongs to the technical field of biology. According to the invention, an auxotroph strain of S.cerevisiae BY4742 is taken as an original strain, and by optimizing an intracellular mevalonic acid pathway, the expression level of a key enzyme is enhanced and the metabolic bottleneck is relieved, so that the flux of intermediate metabolites is remarkably improved; by introducing an exogenous NADH dependent HMGR and strengthening an Acetyl-CoA supply approach, supply and demand of cofactors are effectively balanced, the availability of a precursor is improved, the yield of the constructed engineering strain AG15 fermented for 240 hours in fermentation at a 5-L fermentation tank level reaches 20.9 g / L, the production efficiency of squalene and the applicability of a carbon source are greatly improved, and the method has important industrial application potential and economic advantages.

The utility model relates to a plastic EGR valve device which comprises a plastic cover plate, a valve body assembly, an ejector rod shaft, a valve bowl, two O-shaped rings, a plastic lining, an ejector rod support, a metal shaft, a transmission gear, a deep groove ball bearing and a motor, the valve body assembly is an insert injection molding part, the plastic cover plate is installed on the valve body assembly, one end of the ejector rod shaft is fixedly connected with a metal insert of the ejector rod support, and the other end of the ejector rod shaft is fixedly connected with the valve bowl. One end of the ejector rod shaft is fixedly connected with the valve bowl and penetrates through the sliding bush, the two O-shaped rings and the plastic bush of the valve body assembly, the other end of the ejector rod shaft is fixedly connected with the valve bowl, the plastic bush is installed between the two O-shaped rings, the ejector rod support is fixedly connected with the ejector rod shaft, and the metal shaft is installed on the ejector rod support in a pressing mode. By the adoption of the plastic EGR valve device, the corrosion resistance can be improved, the service life can be prolonged, the reliability of the EGR valve in the life cycle is guaranteed, and the reliability of an EGR system is improved; subsequent assembly procedures are reduced, the production efficiency is high, the production cost is low, and the product cost performance is improved; and the lightweight design of the whole vehicle is realized, and remarkable technical and economic advantages are achieved.

The problem addressed by the invention described in claim 1 is that of reducing the energy consumption of electrical systems to the minimum required value depending on the operating conditions, without having to make changes to the existing system structure. The method and the device for reducing the energy consumption of existing electrically operated systems containing consumers whose power feed from a network (#1A) is controlled in each case via control modules are characterized in that the power is supplied to the control modules of the existing system via a control device according to the invention having a power supply (#1B) that is independent of the network (#1A) and in that all relevant operating parameters of the consumers of the existing system are updated in the control modules of the existing system and are maintained in the event of the consumers of the existing system losing power. The device according to the invention is thus used to achieve considerable economic advantages by virtue of reducing the energy consumption of existing electrical systems with minimal changes to the existing systems.

The application discloses a method for realizing harmless treatment and resource utilization of silkworm excrement and cocoon boiling wastewater simultaneously, which comprises the following steps: mixing the silkworm excrement and cocoon boiling wastewater according to a certain proportion, separating the silkworm excrement residue and the silkworm excrement water extract after heat preservation treatment, mixing the silkworm excrement with garden soil, inoculating chlorella in the water extract, and separating after culture, and using the algal cells to prepare composite aquatic feed.The advantages of the method are as follows: the method can effectively prevent the pollution of silkworm excrement, cocoon boiling wastewater and other wastes of the sericulture industry to the environment, and can transform the resource advantage into economic advantage, which is of great significance to the in-depth development of the sericulture industry chain and the formation of the circular economy mode, and is beneficial to environmental protection.In addition, the silkworm excrement fertilizer can significantly promote the growth of vegetables, the aquatic feed can significantly improve the growth rate and survival rate of aquatic animals such as fish, and the method has the characteristics of high conversion efficiency, good product effect, simple operation and the like, and is easy to realize industrialized production.

The utility model discloses an energy-saving and emission-reducing asphalt pavement internal and external disease maintenance structure, which is characterized by comprising a micro-surfacing structure, an original asphalt pavement structure and a grouting repair material, the original asphalt pavement structure comprises an upper surface layer, a middle surface layer, a lower surface layer, a base layer and a reflection crack, the upper surface layer is positioned on the outer surface of the lower end of the micro-surfacing structure, and the lower surface layer is positioned on the outer surface of the lower end of the micro-surfacing structure; the middle surface layer is located on the outer surface of the lower end of the upper surface layer, the lower surface layer is located on the outer surface of the lower end of the middle surface layer, the base layer is located on the outer surface of the lower end of the lower surface layer, the reflection cracks are cracks which are developed upwards from cracks of the base layer to the upper surface layer, and the grouting repair material is used for filling and compacting the reflection cracks. The energy-saving and emission-reducing asphalt pavement internal and external disease maintenance structure provided by the utility model is simple in structural principle, high in disease treatment efficiency and excellent in economical efficiency, and can effectively treat the internal and external diseases of a high-grade asphalt pavement and improve the anti-skid performance of a road surface.

According to the old bridge transformation construction method for converting the arch bridge system into the continuous steel box girder bridge, the arch bridge system can be quickly converted into the continuous steel box girder bridge, only a cross beam and a bridge deck system of the old bridge are dismantled, meanwhile, an original foundation is utilized and transformed, and aesthetic characteristics of the original bridge are reserved. And meanwhile, the structural form shared by dismounting the construction support cross beam and mounting the steel box girder is innovatively used, the construction link is obviously simplified, the defect that a traditional construction method is complex in procedure is overcome, the material consumption is effectively reduced, and the construction period is greatly shortened. The construction method is reasonable in technology, safe and reliable, has outstanding construction period advantage and economic advantage, and provides feasible technical reference for similar old bridge reconstruction projects.

The invention provides a variable field intensity electric field demulsification and dehydration process for a water-in-oil type emulsion, aiming at the problems of high energy consumption, high operation cost, secondary liquid drops and the like caused by the adoption of high field intensity and high voltage during electric field demulsification and dehydration of a W / O type emulsion with a complex structure and relatively high water content. The method comprises the following steps: removing mechanical impurities from a water-in-oil emulsion needing to be demulsified and dehydrated by using an oil pump through a filter, heating the water-in-oil emulsion to 20-30 DEG C in an oil heater, then feeding the water-in-oil emulsion into a pulsed electric field demulsification and dehydration device, and carrying out demulsification and dehydration treatment by using a pulsed electric field. According to the method, low-field-intensity efficient demulsification and dehydration are realized, secondary emulsification is avoided, the stability and reliability of the demulsification effect are improved, the process energy consumption and the operation cost are remarkably reduced, and the technical and economic advantages are very prominent.