743results about How to "High reuse rate" patented technology

The utility model belongs to the technical field of frame dismounting devices, and relates to a photovoltaic module frame dismounting device capable of self-adapting to glass breaking of various sizes, which comprises a working table, and a long-edge frame dismounting mechanism and a short-edge frame dismounting mechanism which are respectively arranged on the working table, the long-side frame disassembling mechanisms and the short-side frame disassembling mechanisms are arranged in pairs, the paired long-side frame disassembling mechanisms are distributed at the positions close to the long sides of the photovoltaic panel frame in a mirror image mode relative to the central position of the workbench, and the long-side frame disassembling mechanisms downwards press the photovoltaic panel and then outwards push out the long sides of the photovoltaic panel frame. The paired short-edge frame disassembling mechanisms are distributed at the positions close to the short edges of the photovoltaic panel frame in a mirror image mode relative to the central position of the workbench, and the short-edge frame disassembling mechanisms downwards press the photovoltaic panel and then push the short edges of the photovoltaic panel frame outwards. According to the utility model, the paired long-side frame dismounting mechanisms and the paired short-side frame dismounting mechanisms are respectively arranged, so that the four frames are dismounted, the cutting of four corners is not needed, the frame dismounting operation is simple, and the reutilization rate of the frames is improved.

The invention relates to the field of recycled concrete, and discloses a high-strength recycled concrete formula and a preparation method thereof, the high-strength recycled concrete formula comprises the following raw materials by weight: 180-240 parts of cement, 600-800 parts of hydrophobic modified recycled coarse aggregate, 180-280 parts of recycled fine aggregate, 400-600 parts of sand, 300-500 parts of fly ash, 60-120 parts of silica fume, and 20-30 parts of a water reducer, the modified waste rubber powder is prepared from, by weight, 25-35 parts of modified waste rubber powder, 10-40 parts of polyethylene wax, 2-4 parts of m-phenylenediamine and 12-16 parts of tetramethyl orthosilicate. In the invention, by using a large amount of recycled aggregate (coarse aggregate and fine aggregate), the exploitation of new natural resources is effectively reduced, the reutilization rate of building wastes is improved, and by optimizing the proportion and adding a plurality of modifiers (such as silica fume, fly ash, modified waste rubber powder and the like), the mechanical properties such as compression resistance, fracture resistance and the like of the concrete are remarkably improved; by adding the hydrophobic modified recycled coarse aggregate and the penetrant, the impermeability and durability of the concrete are enhanced, so that the performance and the application range of the recycled concrete are improved.

The present invention relates to a photovoltaic support for a solar power station used in the field of converting infrared radiation, visible light or ultraviolet light to generate electric energy. The photovoltaic support comprises a support leg, a tripod rotatably mounted on the upper end of the support leg and a photovoltaic panel receiving frame hinged on the left end of the tripod. A support controller is fixedly mounted on the upper end of the tripod. The above-mentioned stabilizing sleeve, adaptive stabilizing group and photovoltaic support control system are used in combination to effectively improve the installation stability and portability of the photovoltaic support, improve the installation efficiency and installation automation of the photovoltaic support, and effectively promote the adaptability of the photovoltaic support to the installation environment, effectively promote the versatility of the photovoltaic support, and can be effectively applied to wasteland plains, deserts, large reservoirs and other environments, thereby reducing the construction cost of the solar power station, reducing cost losses, effectively reducing the subsequent maintenance difficulty and maintenance cost of the photovoltaic support, promoting the reuse rate of the photovoltaic support, and effectively promoting the economic adaptability of the photovoltaic support.

The invention discloses a wind turbine blade material degradation and recycling device in the technical field of wind turbine blade recycling, comprising a preheating tank and a Stirling engine, wherein the inner wall of the preheating tank is provided with a preheating chamber; the input end of the Stirling engine is connected with the preheating chamber, and the output end of the Stirling engine is provided with a crushing mechanism for crushing the wind turbine blades; a wind selection mechanism for screening wind turbine blade fragments is provided below the preheating tank, the wind selection mechanism comprises a base, a wind selection channel and a wind selection chamber are provided in the base, a recovery plate is provided in the wind selection chamber, a plurality of screening holes are provided on the recovery plate, and the screening holes are successively reduced in order from top to bottom; a fan is provided on the side of the recovery plate away from the wind selection channel, a heating chamber is further provided below the recovery plate, and an insulating mechanism for sealing the heating chamber is provided between the heating chamber and the recovery plate; the reuse rate of heat energy is improved by the Stirling engine and the wind selection mechanism, the wind turbine blades are preheated, and the processing efficiency of the blades is improved.

The invention discloses a mine movable hydraulic filling retaining wall and a using method thereof, and relates to the technical field of paste filling, the mine movable hydraulic filling retaining wall comprises a frame and a carry-scraper, the frame is provided with a flexible filling wall body, the flexible filling wall body is filled with a filling body, and the other side of the flexible filling wall body is detachably connected with a movable supporting structure; the movable supporting structure is connected with the filling hydraulic folding type support, accessory materials are transported to a construction site through the carry-scraper, then the carry-scraper is moved, and the filling hydraulic folding type support is erected through the upper fixing rod and the lower fixing rod. The movable supporting structure, the filling hydraulic folding type support and part of the flexible filling wall can be dismantled for cyclic utilization, the repeated utilization rate is high, rapid installation and dismantling can be achieved, the construction efficiency is improved, and secondly, the movable supporting structure and the filling hydraulic folding type support are both supported and fixed through hydraulic pressure, so that the safety and stability are improved.

The utility model discloses a macromolecular dust remover applied in a dust removal tower, which comprises a vertically arranged water collecting tank, and a rotating shaft is arranged at the top of the water collecting tank in a penetrating manner; the upper part of the rotating shaft is connected with a power mechanism; mounting rods are arranged on the two sides of the centrifugal impeller, and flow guide accelerators coaxial with the water collecting tank are arranged in the middles of the mounting rods. An adjusting rod is mounted at the bottom end of the mounting rod, a load adjusting plate is arranged on the adjusting rod, and the load adjusting plate is connected with an online adjusting mechanism arranged outside the tower; the edge of the bottom of the water collecting tank communicates with a plurality of vertically-arranged flow guide pipes. The dust removal device has the advantages of simple structure, good dust removal effect and convenience in cleaning.

The invention relates to the related technical field of transformers, in particular to transformer equipment capable of accelerating transformer oil circulation, which comprises a transformer body, an oil conservator is arranged at the top of the transformer body, the bottom of the oil conservator is connected to the transformer body through an oil inlet pipe, and the bottom of the transformer body is connected with an oil outlet pipe. A cooling cylinder is arranged on the outer side of the oil outlet pipe, the top of the oil outlet pipe is connected with a filter cylinder for filtering oil liquid, the top of the filter cylinder is provided with an oil return pipe through a detachable connecting pipe, a filter assembly for filtering the oil liquid is arranged in the filter cylinder, and a filter steel net for filtering the oil liquid is movably connected in the filter cylinder through an L-shaped limiting groove. The oil storage cylinder is matched with the cleaning cylinder to clean and spray the filtering steel mesh, the spraying effect is achieved by utilizing the oil liquid of the oil storage cylinder to brush the filtering steel mesh in a matched mode, the impurity cleaning effect is achieved by closing in the filtering cylinder, the cleaning effect is good, the cleaning efficiency is high, pollution is avoided, and the oil liquid repeated utilization rate is high.

The invention discloses a multistage fine-adjustable modular coaxial capillary micro-fluidic chip and an emulsion preparation method, and belongs to the technical field of micro-fluidic chips. The chip comprises a focusing capillary tube, a collecting capillary tube, a square capillary tube, a sliding rail base module, a feeding module and a liquid inlet platform module. Focusing capillary tubes are inserted into the first and second side connectors of the liquid inlet platform, square capillary tubes are inserted into the second and third side connectors of the liquid inlet platform, and a collecting capillary tube is inserted into the right connector of the third liquid inlet platform; and the focusing capillary tube and the collecting capillary tube jointly extend into the square capillary tube. The whole forms a single-stage chip module, and a plurality of single-stage modules are connected in series through a rubber hose to form a multi-stage chip which is used for preparing complex micro-droplets and the like. The device adopts a split type modular structural design, and has the advantages that the assembly is convenient, the standardization can be realized, and the preparation efficiency of complex micro-droplets is improved. And the precise 3D printing technology is combined, mold opening is not needed, flexible machining of parts is achieved, and cost is reduced.

The invention belongs to the technical field of foundation pit construction, and discloses an assembly type supporting structure and a rectangular foundation pit supporting method. The fabricated supporting structure comprises four supporting assemblies, a plurality of jacking assemblies and a plurality of jacking driving pieces, the four supporting assemblies are arranged at the four corners of the rectangular foundation pit and detachably connected with the rectangular foundation pit, and each supporting assembly comprises an inclined supporting piece, a first purline and a second purline, the two ends of the inclined supporting piece are connected with the first purline and the second purline correspondingly. The jacking assembly is arranged between the two adjacent first purlines or the two adjacent second purlines; the jacking driving parts are used for driving the two abutting and pushing parts of the corresponding jacking assemblies to move in the direction away from each other, and the abutting and pushing parts abut and push the adjacent supporting assemblies to abut against the pit wall of the rectangular foundation pit. According to the fabricated supporting structure and the rectangular foundation pit supporting method, the mounting and dismounting efficiency of the fabricated supporting structure is improved, the loss of the fabricated supporting structure is reduced, and the supporting cost of the rectangular foundation pit is reduced.

The invention discloses a BIM (Building Information Modeling)-based super high-rise structure variable full-matching model optimization method, which ensures that a template adapts to various non-standard layers by identifying cross section changes of a standard layer and a non-standard layer, determining a template modulus and optimally designing a matching model. By means of the BIM technology, small plates are combined into large plates, during conversion construction from a standard layer to a structure change layer, the small-size unit battens at the combination change positions are directly assembled and disassembled, the whole large-size standard aluminum formwork does not need to be directly replaced, and the construction efficiency is improved. The problems that the dependence degree of a traditional aluminum mold on the standard modulus size is high, and on-site arbitrary cutting is difficult to achieve are solved, the turnover rate of the mold plates is increased, and the configuration amount of newly-added mold plates is reduced. The formwork is made of aluminum alloy sections, and compared with a traditional wood formwork and aluminum-wood combination mode, the formwork is high in repeated utilization rate, can be turned over many times, does not need to be cut and machined on site, saves materials and is environmentally friendly.

The invention discloses a metal plastic deformation damage repair method based on high-frequency electric pulse, which comprises the following steps: S1, carrying out flaw detection on early damage of a damaged metal component, and determining a plastic deformation damage position in the metal component; s2, the damaged metal component is fixed to a pulse current processing device, and the damaged metal component and the exciting electrode are fastened through a clamp; s3, compressing the exciting electrode and the damaged metal component by using a high-temperature-resistant mica plate; and S4, pulse current signals are applied to the two ends of the damaged part, pulse current processing parameters are determined according to the size of the damaged metal component, and the damaged part is repaired through the determined pulse current parameters. According to the method, the problems of plasticity and toughness reduction, stress concentration, mechanical property reduction and the like caused by generation and accumulation of tiny plastic deformation of the material are effectively solved through pulse current repair, and meanwhile, the mechanical properties such as tensile strength of the material can be improved. And in-situ operation can be directly carried out by utilizing the electric pulse device, so that the material damage repair efficiency is improved.

The invention relates to the technical field of sewage treatment, in particular to a composition for degrading triazole bactericides and application of the composition. The invention provides a composition for degrading triazole bactericides. The composition comprises persulfate and a catalyst, the catalyst takes foamed nickel as a carrier and is loaded with a cobalt-nickel layered bimetallic oxide. The cobalt-nickel layered bimetallic oxide is rich in oxygen vacancies, and has a larger specific surface area, higher stability and a higher oxidation reduction rate. In the process of activating sulfate by the cobalt-nickel layered bimetallic oxide, a large amount of free radical sulfate free radical # imgabs0 # superoxide free radical # imgabs1 # and non-free radical singlet oxygen (1O2) are generated, and triazole bactericides are synergistically degraded based on a free radical path and a non-free radical path.

The invention discloses a pretreatment process for water reuse of silicon solar cell wastewater, which comprises a collection device, the output end of the collection device is communicated with a pretreatment device 1, the output end of the pretreatment device 1 is communicated with a pretreatment device 2, the output end of the pretreatment device 2 is communicated with a pretreatment device 3, and the output end of the pretreatment device 3 is communicated with a pretreatment device 4. The output end of the pretreatment device 3 is communicated with a rear-end reclaimed water recycling membrane system. The method has the advantages that specific pollutants influencing the reclaimed water reuse membrane system are subjected to targeted grading pretreatment, a new thought is provided for recycling of the silicon solar cell wastewater, and remarkable environmental benefits and economic benefits are achieved; the problems of low water production rate, short service life, high operation cost and incapability of continuous and stable operation of a reclaimed water recycling membrane system for silicon solar cell wastewater are solved.

The invention discloses a method for culturing seawater rotifers by using prawn shell leavening, which comprises the following steps: S1, cleaning prawn shells to obtain a fermentation substrate; s2, dynamically optimizing fermentation conditions by adopting a multi-agent collaborative reinforcement learning algorithm; s3, predicting the optimal completion time of fermentation by adopting a mixed graph convolutional neural network and an adaptive genetic algorithm, and providing dilution suggestions through a spectral analysis technology; s4, dynamically calculating the dilution ratio, and mixing the fermentation liquor with seawater; s5, pouring the diluent into a rotifer culture pond, predicting the health state of the rotifer by adopting a Vision Transform model, and automatically adjusting a nutrition formula or environmental conditions; s6, monitoring the density of the rotifers in real time through a YOLOv5 target detection model and a camera, and keeping the rotifers within a preset density range; and S7, performing intelligent management on waste treatment based on a multi-objective evolutionary algorithm of non-dominated sorting. According to the method, a multi-agent collaborative algorithm and a deep learning technology are adopted, and intelligent culture of seawater rotifers and optimized treatment of wastes are realized.

The invention discloses a photovoltaic module disassembling device and a photovoltaic module disassembling method. The photovoltaic module disassembling device comprises a control assembly, a cutting assembly and a driving assembly. The control assembly comprises a power supply sub-module and a transmitting coil which are electrically connected; the cutting assembly comprises a receiving coil and a hot cutting tool bit, the hot cutting tool bit is electrically connected with the receiving coil, and the hot cutting tool bit is used for carrying out hot cutting on the colloid; the driving assembly is used for controlling the cutting assembly to move in a gap between the photovoltaic assembly and the fixing body during thermal cutting. By means of the scheme, flexible arrangement of the photovoltaic module disassembling device can be achieved. The thermal cutting technology is used for cutting the colloid, lossless disassembly of the photovoltaic module can be achieved, damage to the photovoltaic module and a fixed body is avoided, the reutilization rate of the photovoltaic module is improved, the production cost can be reduced, the maintenance and replacement efficiency of the photovoltaic module is improved, and popularization and application of the solar energy utilization technology are facilitated.

The invention provides an air-drop data acquisition test device which comprises a projectile body, a projectile body empennage arranged at the tail of the projectile body and a power supply assembly arranged in the projectile body, a product to be tested and a data recorder are arranged at the bottom of the projectile body, the data recorder is connected with the product to be tested through an adapter, and the adapter is connected with the power supply assembly. The adapter is connected with the bottom of the projectile body so that the relative position of the to-be-tested product and the data recorder can be kept stable in the air-drop test process, and the adapter is connected with the bottom of the projectile body. The data recorder is simple in structure, convenient to operate, low in cost, easy to disassemble and assemble, high in repeated utilization rate and high in interchangeability, various data in the air-drop process can be directly collected and stored, it is guaranteed that the data recorder keeps stable and reliable in the air-drop data collection process, the failure of the data recorder in the complex atmosphere (pneumatic) environment of an air-drop test is avoided, and the data recorder is safe and reliable. And stable communication transmission between the to-be-tested product and the data recorder in the air-drop test process is ensured.

The invention belongs to the technical field of gas separation, and relates to an anhydrous solvent for carbon dioxide capture and a preparation method and application thereof. The anhydrous solvent provided by the invention is composed of effective components and auxiliaries, wherein the effective components are diethanol amine, N-methyldiethanol amine, ethanol amine, piperazine, diglycolamine, N-methylmonoethanol amine and ethylene glycol; the auxiliaries are a corrosion inhibitor, an antioxidant and a defoaming agent. Compared with an alcohol amine aqueous solution, the anhydrous solvent provided by the invention has stronger absorption capacity when being used for absorbing carbon dioxide, and shows better stability and higher absorption speed.

The invention discloses a cobalt transition metal coordination polymer as well as a preparation method and application thereof, and belongs to the technical field of metal organic complex material photocatalysts, the chemical formula of the cobalt transition metal coordination polymer is [Co (L) (2, 2-biby). 2H2O] n, L is 2-(3-carboxyl phenyl)-6-carboxyl benzimidazole, and n is 1-3. 2, 2, 2-biby is 2, 2 '-dipyridyl; n represents the degree of polymerization and is a positive integer; the cobalt transition metal coordination polymer belongs to a P212121 space group of an orthorhombic crystal system. According to the cobalt transition metal coordination polymer and the preparation method and application thereof, the cobalt transition metal coordination polymer can serve as a photocatalyst, has good photocatalytic performance and can serve as a potential photocatalyst to catalyze and degrade organic pollutants in water.

The invention relates to a manufacturing method of a roadbed material based on high-water-content tailing soil, and belongs to the field of road engineering and environmental geotechnical engineering. The roadbed material comprises high-water-content tailing soil, lime, cement and water; the preparation method comprises the following steps: crushing the high-water-content tailing soil, and measuring the initial water content of the high-water-content tailing soil; the method comprises the following steps: fully mixing high-water-content tailing soil with lime in different mass ratios, carrying out a lime precipitation test, crushing the tailing soil subjected to lime reaction, fully mixing the crushed tailing soil with cement and water in different mass ratios, carrying out a compaction test, and measuring the optimal water content and the maximum dry density under different cement dosages; according to the optimal water content and the maximum dry density, a California bearing ratio test is carried out, and the optimal cement mixing amount is preferably selected; and producing the high-water-content tailing soil roadbed material. According to the method, the quicklime is adopted for carrying out precipitation pretreatment on the high-water-content tailing soil, and compared with a drying method in a laboratory, the feasibility in large-scale industrial production is higher.

The invention relates to a test method, device, equipment, system and medium for a vehicle controller, in the method, data interaction between an upper computer end and a server end is established, for the upper computer end, input operation of a user for a test interface of the vehicle controller can be responded to, and the test interface of the vehicle controller can be tested. Target rack information and test demand information input by a user are obtained, and the vehicle controller test interface is displayed through a browser; according to the target rack information and the test demand information, sending a test case acquisition request to a server; obtaining a target test case returned by the server; and controlling the target rack to test the to-be-tested vehicle controller through the target test software according to the target test case, and obtaining a test result. According to the technical scheme, sharing of the test cases is realized, and the efficiency of testing the vehicle controller is improved.

The invention provides a process and equipment for secondary environment-friendly recycling of a waste solvent, which are applied to the technical field of production and manufacturing, and are characterized in that the waste solvent of an enameled wire is filtered, the filtered recycled solvent is sampled, the specific proportion of paint resin in the solvent is analyzed, and then the proportion of high-solid-content paint resin needing to be added is calculated according to a measurement result; and mixing the high-solid-content paint resin with the recovered solvent according to the calculated ratio, pumping the high-solid-content paint resin from the bottom of the container by using a circulating pump, and mixing the high-solid-content paint resin with the recovered solvent in an upward spraying manner, so that the high-solid-content paint resin and the recovered solvent are fully mixed to form the low-solid-content paint resin capable of being secondarily utilized. According to the secondary environment-friendly recycling process for the waste solvent, the recycling rate of the waste solvent is increased, the performance of the recycled solvent is ensured by accurately controlling the proportion of paint resin, and the dual requirements of environment protection and economic benefits are met.

The invention belongs to the technical field of oil-water emulsion demulsification, and provides a magnetic nano demulsifier as well as a preparation method and application thereof. The preparation method comprises the following steps: dissolving polydopamine in a phosphate buffer solution to obtain phosphoric acid polydopamine; the preparation method comprises the following steps: mixing phosphoric acid polydopamine with Fe3O4, and stirring under dark and aerobic conditions to obtain a Fe3O4 and polydopamine compound; and dissolving the compound in a phosphate buffer solution, mixing with block polyether, and stirring under ultraviolet irradiation and aerobic conditions. The invention also discloses the magnetic nano demulsifier prepared by the method and application of the magnetic nano demulsifier in oil-water emulsion treatment. The surfactant is firmly fixed on the surfaces of the magnetic nanoparticles through polydopamine, so that surface activity modification is realized, the surface wettability of the demulsifier is improved, the demulsifier is prevented from falling off, and the repeated utilization rate of the demulsifier is increased. The demulsifier has excellent demulsification efficiency and cyclic utilization performance, and has important application value and development potential in the field of emulsified oil treatment.

The utility model discloses a water-saving green belt which comprises a support frame and a filter belt, and the filter belt is arranged in the support frame. The water pumping pipe is arranged in the supporting frame, a stand column is connected to the upper end of the water pumping pipe, rotating rods are connected to the left end and the right end of the stand column, a base is arranged at the lower ends of the rotating rods, sleeves are installed at the outer ends of the rotating rods, and nozzles are arranged at the upper ends of the sleeves; and the supports are installed at the left end and the right end of the supporting frame, threaded rods are installed at the upper ends of the supports, installation blocks are arranged at the upper ends of the threaded rods, and installation shells are installed at the upper ends of the installation blocks. According to the water-saving green belt, water resources can be saved while automatic irrigation is achieved, the repeated utilization rate of water is increased, the water is sprayed to each corner at different angles, the irrigation coverage area can be increased conveniently, grass and trees in the green belt can be made to be neat in specification, the curbside can be beautified conveniently, and the situation that the road is blocked by too long branches, and traffic is affected can be avoided.

The invention relates to the field of house building, and discloses a detachable formwork for construction of an elevator shaft and a water-collecting well and an anti-floating reinforcing method.The detachable formwork comprises the following assemblies: a hollow box-shaped formwork composed of a side formwork assembly and a bottom formwork assembly which are connected through concave and convex points; the opposite-pull water stop screw comprises a screw body and a water stop piece, and the screw body penetrates through the side mold assembly and the bottom mold assembly of the hollow box-shaped mold plate and is used for connecting the side mold assembly and the bottom mold assembly in a fastening mode; the adjustable jacking comprises a lead screw and a supporting plate, the lower end of the lead screw is connected with the top of the hollow box-shaped formwork, and the supporting plate is fixed to the lead screw through threads and used for adjusting the supporting height of the top of the formwork. By adopting the light and high-strength box-shaped formwork and a detachable connecting mode, the formwork is more convenient and faster to build and disassemble, the construction efficiency is improved, meanwhile, the stability and accuracy of the formwork can be kept through the fixing effect of the pull water stop screw and the adjustable jacking, and therefore the construction quality is improved.

The invention relates to the field of gas detection, and discloses an electronic nose device with double gas inlet channels and a gas detection method. A filter, a double-cavity air inlet shell with a front-narrow rear-wide structure and a sensor annular placing hole, an air flow guide structure, a sensor array and an air exhaust shell are manufactured in a 3D printing mode; the sensor array is fixedly connected with the gas flow guide structure; the outer wall of the gas guide device is in contact with the inner wall of the gas inlet shell and is fixed in a magnetic attraction manner; the air exhaust shell is connected with an air pump through a rubber tube; the gas inlet shell and the gas exhaust shell are spliced together in a stepped mode, the purpose of detaching and replacing the sensors can be achieved, and through unique sensor combination and an advanced data processing algorithm, the components and concentration of target gas can be rapidly recognized and quantitatively analyzed. According to the invention, the contact time of the gas and the sensor is prolonged while rapid suction of the gas is guaranteed, and efficient and accurate detection of various different types of gas is realized.

The invention belongs to the field of salmon processing by-product utilization, and particularly relates to a method for obtaining salmon processing by-product active peptide through fermentation and application of the salmon processing by-product active peptide. According to the invention, five uric acid lowering peptides with relatively high xanthine oxidase inhibitory activity are prepared by combining a microbial fermentation method with an ultrafiltration and gel chromatographic column technology, and the specific sequences are IGAPDMAFPR, FDKPVSPLL, FVDPDNFRV, GEADFMDYGR and GNGPDWAKDL. The raw material adopted by the invention is salmon processing waste (brown meat), the price is low, the utilization rate of resources is improved, and waste and environmental pollution are avoided. The method is simple in process operation, low in production cost and good in application prospect.

The present invention relates to a temporary support frame for installing an assembled lattice steel structure and a method of using the frame, including a base section, a standard section, an adjustment section inner section, an adjustment section outer section, an adjustment top support, and a jack for unloading; the base section includes a base section column limb, a base section tie bar, and a base section cross beam; the standard section includes a standard section column limb, a standard section tie bar, and a standard section cross beam; the adjustment section inner section includes an adjustment section inner section column limb, an adjustment section inner section tie bar, and an adjustment section inner section cross beam. Through the present invention, the deficiencies of the prior art and devices are overcome, construction space is saved, the erection period is short, and the reuse rate is high; the lattice-type assembly section is light in weight, high in bearing capacity, and convenient to hoist; each assembly section can be flexibly assembled according to actual needs, and is easy to install; through multiple height adjustment devices, the installation elevation of the steel structure is ensured, and the installation of complex steel structures with variable elevations can be met, and the unloading operation after the steel structure is installed is convenient.

The utility model discloses a dust fall fence for road construction, which relates to the technical field of building construction dust fall and comprises a steel support, a supporting plate is welded at the bottom end of the steel support, a weighting block is fixedly connected to the bottom end of the supporting plate through bolts, and a first cross rod is fixedly connected to one side, close to the bottom end, of the steel support. Steel supports are fixedly connected to the two ends of the first cross rod respectively, a second cross rod is fixedly connected to the position, close to the top end, of one side of each steel support, a plurality of limiting angle irons are fixedly connected to the two sides of each steel support respectively, a plurality of surrounding baffles are fixedly connected between the first cross rod and the second cross rod through the limiting angle irons, and a base is fixedly connected to the upper surface of the second cross rod. A plurality of sound insulation plates are fixedly connected to the upper surface of the base, spraying heads are fixedly connected to the top ends of the sound insulation plates, water conveying branch pipes are fixedly connected to the interiors of the steel supports, disassembly, assembly and repeated use are facilitated through the assembly type design, and the sound insulation plates enable the spraying system to better improve the sound insulation and dust falling effects of a fence.

The invention discloses a hybrid power system based on an ammonia-hydrogen engine and a hydrogen fuel cell and application, the hybrid power system comprises an ammonia fuel supply mechanism, a hydrogen fuel cell power mechanism, an ammonia-hydrogen engine power mechanism and a tail gas recovery processing mechanism, the gasifier is respectively communicated with the hydrogen fuel cell power mechanism, the ammonia hydrogen engine power mechanism and the tail gas recovery processing mechanism; the hydrogen fuel cell power mechanism comprises an ammonia decomposer, an ammonia separator, a hydrogen fuel cell and a transmission device which are sequentially connected in series, and the hydrogen fuel cell is electrically communicated with the transmission device; the ammonia separator and the hydrogen fuel cell are both communicated with the ammonia-hydrogen engine power mechanism; the ammonia-hydrogen engine power mechanism is respectively communicated with the tail gas recovery processing mechanism and is connected with the transmission device. According to the hybrid power system based on the ammonia-hydrogen engine and the hydrogen fuel cell and application, efficient energy output is achieved, and efficient utilization of fuel is achieved.

The utility model discloses a combined type waste gas and waste liquid burner spray gun which comprises a spray gun barrel, a waste liquid pipe, an atomized air pipe, a waste gas pipe and a spray gun head. The waste liquid, the atomized air and the waste gas are jointly connected to the spray gun head through the waste liquid pipe, the atomized air pipe and the waste gas pipe, the waste liquid and the atomized air in the premixing chamber at the spray gun head are sprayed out from the outlet of the premixing chamber after being fully mixed for the first time, and then the waste liquid and the waste gas sprayed out from the waste gas spray head are secondarily mixed and fully combusted. The original spray gun spraying combustion mode that only a single raw material can be used as fuel is changed, combustible waste gas and waste liquid generated by a natural gas burner or a diesel burner can be combusted in a combined mode, the repeated utilization rate of the combustible waste gas and waste liquid is increased, and energy is saved.