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Pneumatic numerical control shot blasting strengthen machine
The invention discloses a numerical control shot peening strengthening machine; the shot peening chamber of the numerical control shot peening strengthening machine is provided with a numerical control rotating working platform which is controlled by CNC and is provided with two freedoms with C-direction rotation and Y-direction moving; a numerical control mechanical arm which is provided with four freedoms of B and C-direction rotation as well as X and Y-direction moving. A workpiece is clamped on the working platform; an outer wall lance is clamped by the numerical control mechanical arm to carry out shot peening strengthening on the outer surface of the workpiece. The Z-direction trailing bar of the moving mechanism of the numerical control mechanical arm is vertically provided with a dismountable inner hole lance which can carry out shot peening strengthening on the surface of the inner hole of the workpiece. Aiming at the programming processing procedure of different parts, the invention can carry out accurate and uniform shot peening strengthening processing on each shape of surface thereof. Compared with the prior art, the numerical control shot peening strengthening machine of the invention has high automatization degree and can realize precious control on the position and the angle as well as the moving speed of a spot flow and the flux of the spot. The numerical control shot peening strengthening machine of the invention solves the defect that the shot peening strengthening on the parts with complex surface shapes can not preciously control the distance between a lance and the surface of the part, the spot angle as well as the flow and the speed of the spot.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP
High-temperature phase-change heat storage microcapsule and preparation method thereof
The invention relates to a high-temperature phase-change heat storage microcapsule and a preparation method thereof. The preparation method is characterized by comprising the steps of evenly stirring aluminum and silicon alloy powder and a surface active agent; under water bath and stirring condition, adding an aluminum dihydrogen phosphate solution at a constant speed; stirring to obtain mixed slurry; under water bath and stirring condition, adding anhydrous organic alcohol into the mixed slurry; continuing stirring, standing and filtering to obtain precipitate. Washing the precipitate until the pH value is neutral, drying to constant weight, and obtaining a high-temperature phase-change heat storage microcapsule green body. Thermally insulating the high-temperature phase-change heat storage microcapsule green body for 2 to 8h under condition of oxidizing atmosphere and 600 to 1300 DEG C to obtain the high-temperature phase-change heat storage microcapsule of a compound shell layer or thermally insulating the high-temperature phase-change heat storage microcapsule green body for 2 to 8h under the condition of oxidizing atmosphere and 1300 to 1500 DEG C to obtain the high-temperature phase-change heat storage microcapsule of an aluminum oxide shell layer. The preparation method disclosed by the invention has low raw material cost, simple preparation technology and easiness in achieving industrial production. The prepared product has high heat utilization rate and utilization efficiency and high utilization temperature.
Owner:WUHAN UNIV OF SCI & TECH
Saltless dyeing method for fabric modified by cationic polymer
ActiveCN106498770AMolecular weight controllableSmall dispersionDyeing processInorganic saltsCooking & baking
The invention relates to a saltless dyeing method for a fabric modified by a cationic polymer. The method comprises the steps that the fabric is placed in a pretreatment solution to be pretreated; pretreatment includes steeping or padding, baking, cold washing and drying are performed to obtain a modified fabric; the modified fabric is placed into a dye bath, and a dip dyeing technology or padding-rolling-steaming technology is adopted for dyeing to obtain the saltless dyeing fabric. The method is easy and convenient to implement and environmentally friendly; meanwhile, a polymer modifier is low in consumption, easy to recycle and capable of meeting the requirements of energy conservation, emission reduction and environmental friendliness of a dyeing and printing enterprise; the traditional salt dyeing effect can be achieved without any inorganic salt or leveling agent, and the requirements for leveling property and color fastness are met.
Owner:DONGHUA UNIV
High-calcium coal ash cement and preparation method thereof
The invention discloses high-calcium coal ash cement and a preparation method thereof. The high-calcium coal ash cement comprises the following components by mass percent: 30-50% of silicate cement clinker, 40-60% of high-calcium coal ash, 3.1-3.3% of desulfurization gypsum, 4.8-5.0% of silica fume, 1.0-1.1% of water glass and 0.7-1.0% of a composite activator, wherein the composite activator is a mixture of triethanolamine and sodium sulfate. According to the high-volume high-calcium coal ash cement provided by the invention, the utilization rate of coal ash can be increased, the consumption of the silicate cement clinker can be reduced, the industrial byproducts-desulfurization gypsum and silica fume are used as the raw materials, and the treatment and recycling requirements of industrial waste residues can be met.
Owner:BEIJING GEOENVIRON ENG & TECH
Direct current furnace condensate recovery system and method based on high and low pressure condensate flash tanks
ActiveCN108870372AReduce the loss of working fluid and heatIncrease initial investment and operation and maintenance costsFeed water supplyBoiler cleaning apparatusWater storage tankCondensate pump
The invention discloses a direct current furnace condensate recovery system and method based on high and low pressure condensate flash tanks. The direct current furnace condensate recovery system comprises a separator, a separator water storage tank, the high pressure condensate flash tank, the low pressure condensate flash tank, a deaerator, a condenser, a unit drain tank, other steam users and astarting condensate pump. Condensate of the separator passes through the separator water storage tank to enter the high pressure condensate flash tank. Steam in the high pressure condensate flash tank is conveyed to the deaerator and other steam users for heat recovery, redundant steam is discharged to the low pressure condensate flash tank and is discharged to the atmosphere through an exhaust pipe. When water is qualified, the condensate is discharged to the deaerator for heat recovery, or redundant condensate is discharged to the condenser, and the working medium is recovered. When water is unqualified, the condensate is discharged into the low pressure condensate flash tank and is discharged to the unit drain tank through the starting condensate pump.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
High-temperature phase change heat storage microcapsule based on aluminum-silicon alloy and preparation method thereof
InactiveCN108300426ALow costSimple preparation processHeat-exchange elementsMicroballoon preparationWater bathsMass ratio
The invention relates to a high-temperature phase change heat storage microcapsule based on aluminum-silicon alloy and a preparation method thereof. The preparation method has the technical scheme that under the water bath and stirring condition, aluminum-silicon alloy power, aluminum trichloride and ethyl acetate are mixed according to a mass ratio of 1:(0.01 to 0.05):(200 to 800) to obtain mixedliquid; absolute ethyl alcohol is added into the mixed liquid according to the mass ratio of the aluminum-silicon alloy power to the ethyl alcohol being 1:(100 to 500); then, acetic acid is added according to the mass ratio of the aluminum-silicon alloy power to the acetic acid being 1:(400 to 800); still standing, filtering, washing and drying are performed; then, the mixture is put into a muffle furnace; under the oxidizing atmosphere, the temperature is raised to 900 to 1300 DEG C; heat insulation is performed for 2 to 8h; cooling is performed to room temperature; the high-temperature phase change heat storage microcapsule based on aluminum-silicon alloy is prepared. The preparation method has the advantages that the cost is low; the process is simple; the industrial production is easy. The prepared high-temperature phase change heat storage microcapsule based on aluminum-silicon alloy has the advantages that the dispersibility is high; the number of heat cycle times is high; the compression strength is great; the use temperature and the heat utilization rate are high.
Owner:WUHAN UNIV OF SCI & TECH
Recovery device for steam condensation water
InactiveCN101818925AReduce flashImprove heat recovery efficiencyLighting and heating apparatusSpace heating and ventilation detailsSteam condensationWater quality
The invention provides a recovery device for steam condensation water, belongs to the field of electromechanical technology, and solves the technical problems of high cost, low recovery heat, poor quality of the recovered steam condensation water and the like in a traditional recovery device for the steam condensation water. The recovery device for the steam condensation water is arranged between steam equipment and a hot water exchanger of a domestic hot water system and comprises a heat-insulating water collection tank and a hot water pump, wherein one end of the heat-insulating water collection tank is communicated with the steam equipment, and the other end of the heat-insulating water collection tank is connected with the hot water pump through a pipeline 1; the other end of the hot water pump is communicated with the hot water exchanger through a pipeline 2; the heat-insulating water collection tank is an open heat-insulating water collection tank; and a U-shaped water collection pipe is arranged between the heat-insulating water collection tank and the steam equipment. The recovery device has the advantages of simple structure, low cost, high recovery efficiency, easy control, high quality of the recovered steam condensation water and the like.
Owner:沈道永
Multi-stage cold source swimming pool heat pump dehumidifier and working method thereof
PendingCN109595703AImprove energy efficiencyReduce loadMechanical apparatusCompression machines with reversible cycleAir preheaterCondensation temperature
The invention discloses a multi-stage cold source swimming pool heat pump dehumidifier and a working method thereof. The multi-stage cold source swimming pool heat pump dehumidifier comprises an air preheater, two or more than two refrigerating circulation systems and an air heater, and the air preheater, the two refrigerating systems and the air heater are sequentially arranged in the air flow direction; in the more than two refrigerating circulation systems which are arranged in parallel, the first refrigerating system is provided with an evaporator and a condenser, and refrigerating or heatpump heating can be achieved; and the second system is provided with a first evaporator and two parallel condensers, and refrigerating dehumidifying, air temperature rising and pool water heating circulating can be achieved. According to the multi-stage cold source swimming pool heat pump dehumidifier and the working method thereof, air can be treated step by step, various energy sources with different kinds of quality are fully utilized, and the purpose of improving the comprehensive energy efficiency is achieved; meanwhile, unit condensation heat is recycled and reutilized, the air feedingstate is adjusted and improved, and the pool hall temperature and humidity and the pool water temperature are adjusted; and in addition, air exhaust energy is recycled and used for lowering the unit condensation temperature or increasing the evaporation temperature, and the energy efficiency is improved.
Owner:江苏致远高科能源科技有限公司
Phase change heat storage material with core-shell structure and preparation method of phase change heat storage material
InactiveCN108251073ALow costSimple preparation processHeat-exchange elementsMuffle furnaceOxygen rich
The invention relates to a phase change heat storage material with a core-shell structure and a preparation method of the phase change heat storage material. The technical scheme comprises the following steps: putting aluminum-silicon alloy powder in pretreatment liquid in a mass ratio of the aluminum-silicon alloy powder to the pretreatment liquid of 1 to (10-100), performing stirring for 10-30min, and performing filtration and drying to obtain surface-modified aluminum-silicon alloy powder; uniformly mixing the surface-modified aluminum-silicon alloy powder with a catalyst in a mass ratio ofthe surface-modified aluminum-silicon alloy powder to the catalyst of 1 to (0.001-0.005) to obtain catalyst-adsorbed aluminum-silicon alloy powder; and putting the catalyst-adsorbed aluminum-siliconalloy powder in a muffle furnace, performing roasting for 2-8h at 600-850 DEG C in oxygen-rich atmosphere, and cooling to room temperature to obtain the phase change heat storage material with the core-shell structure. The preparation method has the characteristics of low cost, simple process and easy industrial production, and the prepared phase change heat storage material with the core-shell structure has good dispersibility, multiple times of thermal circulation and high heat utilization ratio.
Owner:WUHAN UNIV OF SCI & TECH
Compact aluminum oxide shell high-temperature phase-changing heat-storage microcapsule and preparation method thereof
InactiveCN108384518ALow costSimple processHeat-exchange elementsMicroballoon preparationDispersityWater baths
The invention relates to a compact aluminum oxide shell high-temperature phase-changing heat-storage microcapsule and a preparation method thereof. The preparation method is characterized by comprising the following steps: mixing iodine, absolute ethyl alcohol and a catalyst according to a weight ratio of 1: (3000 to 8000): (0.1 to 1), thus obtaining a solution; adding aluminum-silicon alloy powder into the solution according to a weight ratio of iodine to aluminum-silicon alloy powder being 1: (100 to 500) under a water bath and stirring condition, then adding acetic acid according to a weight ratio of iodine to acetic acid of 1: (400 to 800); standing filtering, washing, and drying; placing in a muffle furnace, thermally preserving for 2 to 8 hours at 900 to 1300 DEG C in an oxidation atmosphere, cooling to the room temperature, and obtaining the compact aluminum oxide shell high-temperature phase-changing heat-storage microcapsule. The compact aluminum oxide shell high-temperature phase-changing heat-storage microcapsule has the characteristics of low cost, simple process and ease in industrialized production; and the compact aluminum oxide shell high-temperature phase-changingheat-storage microcapsule prepared by using the method is good in dispersity, more in heat cycles, high in shell strength and high in heat utilization rate.
Owner:WUHAN UNIV OF SCI & TECH
Efficient swimming pool heat pump dehumidifier and working method thereof
ActiveCN109595704AFlexible switching of cooling functionsFlexible switching of heating functionMechanical apparatusCompression machines with reversible cycleCondensation temperatureProcess engineering
The invention discloses an efficient swimming pool heat pump dehumidifier and a working method thereof. The efficient swimming pool heat pump dehumidifier comprises a multipurpose heat exchanger and two or more than two refrigerating circulation systems, the multipurpose heat exchanger is installed between evaporators and reheating condensers of the two refrigerating circulation systems, differentmedia are introduced into the multipurpose heat exchanger in different seasons, and then different functions are achieved. According to the efficient swimming pool heat pump dehumidifier and the working method thereof, the multipurpose heat exchanger can meet different using requirements as needed, air can be treated step by step, various energy sources with different kinds of quality are fully utilized, and the purpose of improving the comprehensive energy efficiency is achieved; meanwhile, unit condensation heat is recycled and reutilized, the air feeding state is adjusted and improved, andthe pool hall temperature and humidity and the pool water temperature are adjusted; and in addition, air exhaust cold is recycled and used for lowering the unit condensation temperature, and the energy efficiency is improved. The unit integrated structure is adopted, an outdoor unit is omitted, energy loss brought to the refrigerating systems by long distance and large altitude difference is avoided, and the whole energy efficiency is improved from the multiple aspects.
Owner:江苏致远高科能源科技有限公司
All-steel radial tyre and preparation method thereof
The invention provides all-steel radial tyre. The all-steel radial tyre comprises the components in parts by weight: 16.5 parts of butylbenzene resins, 10 parts of rubber powder, 3.5 parts of zinc oxide, 3.0 parts of stearic acid, 1.0 part of a rubber anti-aging agent RD, 10 parts of reinforcing resins, 100 parts of natural rubber STR20, 50 parts of carbon black N375, 4.7 parts of aromatic hydrocarbon oil, 10 parts of high styrene resins, 1.0 part of microcrystalline wax, 2.74 parts of insoluble sulfur, 1.0 part of a rubber accelerator DZ, 1.0 part of a rubber accelerator HMT, 0.4 part of a rubber anti-scorching agent CTP and 50.2 parts of small powder. According to a raw material preparation unit, a rubber compound unit, a semi-finished part unit, all part molding rough tyre units and a rough tyre vulcanization unit, the all-steel radial tyre is manufactured. The all-steel radial tyre has the advantages that in the manufacturing process, the viscosity of the materials is moderate, winding cloth is convenient to separate so as to avoid the adhesion phenomenon of winding parts, the production efficiency is improved, and the production cost is reduced.
Owner:WEIFANG YUELONG RUBBER
Potato cleaning machine
The invention discloses a potato cleaning machine which comprises a casing and supporting legs.The upper end of an inner cavity of the casing is provided with a first rotating shaft, and the outer surface of the first rotating shaft is provided with a hair brush.The lower end of the outer surface of the first rotating shaft is provided with a baffle, the first rotating shaft is in transmission connection with a first motor through a first belt, the first motor is arranged on the upper surface of a first supporting plate, the first supporting plate is arranged at the middle end of the right side of the outer surface of the casing, the lower end of the inner cavity of the casing is provided with a second rotating shaft, and the outer surface of the second rotating shaft is provided with a hair brush.The second rotating shaft is in transmission connection with a second motor through a second belt, the second motor is arranged on the upper surface of a second supporting plate, the second supporting plate is arranged at the bottom of the left side of the outer surface of the casing, and the bottom of the inner cavity of the casing is provided with a water tank.The potato cleaning machine is provided with the two groups of hair brushes, effectively improves a potato cleaning effect and brings great convenience to users' cleaning work.
Owner:陈建荣
Treatment method of fluorine-containing nickel slag generated in nitrogen trifluoride preparation process
ActiveCN112645396AImprove solubilityEasy to operateIron oxides/hydroxidesNickel halidesFerric hydroxideSlag
The invention relates to a treatment method of fluorine-containing nickel slag generated in a nitrogen trifluoride preparation process, and belongs to the technical field of harmless treatment of nickel-containing hazardous wastes. The method comprises the following steps: (1) crushing the fluorine-containing nickel slag into solid powder; (2) dissolving the fluorine-containing nickel slag solid powder by using a hydrofluoric acid solution, performing stirring at 30-60 DEG C, and adding an oxidizing substance in the stirring dissolution process until the fluorine-containing nickel slag is completely dissolved to obtain a mixed solution a; (3) adjusting the pH value of the mixed solution a to 3.5-4.5 by using ammonia water, and performing filtering to obtain ferric hydroxide precipitate and a mixed solution b; and (4) continuing to adjust the pH value of the mixed solution b to 6.5-7.5 with the ammonia water, performing filtering to obtain nickel fluoride and a mixed solution c, heating and concentrating the mixed solution c, and performing cooling crystallizing to obtain ammonium fluoride and a mixed solution d. The method realizes recovery and cyclic utilization of nickel metal resources and ammonium fluoride, and can significantly reduce the production cost of nitrogen trifluoride.
Owner:PERIC SPECIAL GASES CO LTD
Plate glass packaging device
InactiveCN112173421AMeet export requirementsMeet recyclingClosuresContainer/bottle contructionFlat glassConstruction engineering
The invention discloses a plate glass packaging device, and relates to the technical field of glass plate packaging tools. The plate glass packaging device comprises four corner protection assemblies;an edge protection assembly is arranged between every two corner protection assemblies; and every two corner protection assemblies and the corresponding edge protection assembly are connected with each other through connecting assemblies. According to the plate glass packaging device, the four sides and corners of a glass plate are protected through the four corner protection assemblies and the four edge protection assemblies correspondingly, the four corner protection assemblies and the four edge protection assemblies can be connected together through the connecting assemblies correspondingly to form a firm whole structure to clamp and protect the glass plate, and the packaging device is mainly made of metal materials and does not contain harmful organisms and worm eggs, so that inspection and quarantine treatment is not needed during exporting, and export requirements are met; recycling is convenient, the structure is simple, and the size is small after dismounting; and wood is saved, a large amount of labor can be saved, repeated use can be achieved, cost is saved, and practicability is high.
Owner:合肥潜望镜机械科技有限公司
Intelligent modularized boiler flue gas waste heat energy water heating device
InactiveCN102538512AReduce volumeEasy to install and maintainHeat exchanger casingsStationary tubular conduit assembliesSafety monitoringHeat pipe heat exchanger
The invention provides an intelligent modularized boiler flue gas waste heat energy water heating device. The device mainly comprises an intelligent controller, a tubular heat exchanger, a superconducting heat pipe heat exchanger, a clean water flow pipeline and a high-temperature flue gas passage. Both the tubular heat exchanger and the superconducting heat pipe heat exchanger are formed by combining a plurality of single modules with the same structure and the uniform specification. The clean water flow pipeline is arranged in each module by section, and the clean water flow pipeline and the high-temperature flue gas passage respectively form a main pipeline and a main passage which are communicated by combination of the modules. Because of the modularized combined structure, the device is small in integral volume and fast and convenient in installation, maintenance and module replacement, and does not affect the integral operation; the number of the modules can be increased or reduced according to the actual requirement, so that the device meets the requirement for recycling the heat energy of flue gas or other waste gas of boilers of different tonnage, and has strong adaptability and universality and high heat efficiency; and the device can realize automatic operation and safety monitoring in the whole process.
Owner:HUAIAN YINYUAN ENERGY SAVING EQUIP
Preparation process for improving phloroglucinol by membrane method
PendingCN111925278AImprove responseHigh yieldOrganic compound preparationHydrocarbon from halogen organic compoundsPotassium hydroxidePhysical chemistry
The invention discloses a preparation process for improving phloroglucinol by a membrane method. The preparation process comprises the following steps: S1, dissolving 2,6-dichlorophenol or 2,4-dichlorophenol served as a reaction substrate in an inert solvent, adding a potassium hydroxide solution to eliminate dimolecular hydrogen chloride, carrying out addition with water to generate a phloroglucinol potassium salt solution, and acidifying the phloroglucinol potassium salt solution with a hydrochloric acid solution to obtain a mixed solution of phloroglucinol and potassium chloride; S2, filtering the mixed solution, and separating through an electrodialysis system to respectively obtain a phloroglucinol crude product and a potassium chloride solution; S3, introducing the potassium chloridesolution into a three-compartment bipolar membrane electrodialysis system to respectively obtain a potassium hydroxide solution and a hydrochloric acid solution; and respectively refluxing the potassium hydroxide solution and the hydrochloric acid solution into the potassium hydroxide solution and the hydrochloric acid solution in S1. The method has the advantages of simple operation, no generation of by-products and process wastewater, high realization of resource utilization, high automation degree, great reduction of the production cost, and good industrial application prospect.
Owner:HANGZHOU BLUETEC ENVIRONMENTAL TECH
Enteromorpha hydrogel for rapidly removing pollutants as well as preparation method and application of enteromorpha hydrogel
PendingCN114573834ADirect useSolve the difficulty of usingOther chemical processesWater contaminantsAcetic acidFreeze-drying
The invention belongs to the technical field of environmental remediation materials, and relates to enteromorpha hydrogel for rapidly removing pollutants as well as a preparation method and application of the enteromorpha hydrogel, the preparation method comprises the following steps: (1) removing impurities from enteromorpha, cleaning, freeze-drying, crushing, screening with a 90-120-mesh screen to obtain large-particle-size enteromorpha powder, and screening with a 300-500-mesh screen to obtain small-particle-size enteromorpha powder; (2) dissolving chitosan in an acetic acid aqueous solution, adding the large-particle-size and small-particle-size enteromorpha powder into the acetic acid aqueous solution, and stirring to obtain a mixed solution; (3) dropwise adding a cross-linking agent into the mixed solution while stirring, and freeze-drying after gel is formed; and cleaning to obtain the enteromorpha gel. The high-strength enteromorpha hydrogel is prepared by interpenetrating network crosslinking of enteromorpha with different particle sizes and a natural biological material chitosan, and a new composite material is provided for removal of pollutants; the method can be used for removing methyl orange dye in a water environment; meanwhile, the problems that existing enteromorpha is difficult to utilize, deep processing is needed in the preparation process and the like are solved.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY
Automatic recovery system of scutching machines for hemp fibers
ActiveCN105239216AReduce manual labor intensityReduce manufacturing costContinuous processingFibre feedersHemp fiberProcess engineering
Owner:WUHAN HEMP BIOLOGICAL TECH CO LTD
Horizontal type micro equipped water-turbine generator set
InactiveCN107178461AUse low headReduce trafficMachines/enginesEngine componentsBall bearingWater turbine
The invention discloses a horizontal micro-integrated hydro-generator set, which comprises a chassis arranged on the ground foundation, a micro-turbine fixedly installed on the left side of the upper part of the chassis, and a miniature water turbine fixedly installed on the right side of the upper part of the chassis. Brush excitation generator; the internal rotation of the miniature brushless excitation generator is provided with a main shaft, and the front end of the main shaft is arranged in the front end cover of the miniature brushless excitation generator through two ball bearings, and the front end of the main shaft It is fixedly arranged on the runner of the micro-turbine; the rear end of the main shaft is arranged in the rear end cover of the miniature brushless excitation generator through a cylindrical roller bearing, and the rear end of the main shaft is fixedly connected with a flywheel. The invention can not only develop and utilize the recyclable or multi-functional hydraulic resources hidden in daily production and daily life, but also has a simple structure and does not require complex on-site assembly and debugging, which greatly shortens the construction time of hydropower stations.
Owner:河南瑞发水电设备有限责任公司
Ta metallurgical by-product composite salt recycling method
The invention discloses a Ta metallurgical by-product composite salt recycling method. The method comprises the following steps: (1) after separating by-product composite salt produced during the Ta metallurgical process from Ta powder, the composite salt is rinsed with deionized water to remove the residue Na, and then the rinsed composite salt is crushed by a crusher and dried to obtain the treated composite salt; and (2) the treated composite salt is used as diluent, and is mixed with potassium fluotantalate based on certain proportion according to the process requirements and the mixture is taken to a furnace, and the Na is inlet for metallurgy process restoration to obtain the Ta powder. The by-product composite salt produced during the Ta metallurgical production process is used to produce the metallurgical-level Ta powder as the diluent, so that the recycling of the by-product composite salt is realized, the environmental problem caused by the by-product composite salt is avoided, and at the same time, cost is greatly saved. The method also has the advantages that the reuse of waste resources is realized, environmental pollution is reduced, direct yield of the Ta powder is effectively improved, and the Ta powder prepared according the recycling method meets the industry standard of metallurgical Ta powder.
Owner:ZHUZHOU HARD ALLOY GRP CO LTD
Garden pruning auxiliary tool and garden pruning crushed leaf collecting method
InactiveCN108834606AMeet recyclingSimple structureCuttersCutting implementsEngineeringCollection methods
The invention discloses a garden pruning auxiliary tool and a garden pruning crushed leaf collecting method. The device comprises a sector groove which comprises a wide end and a narrow end, the wideend converges to the narrow end in a sector shape and achieves diversion from high to low, a falling opening is formed in the portion, close to the narrow end of the sector groove, of the bottom faceof the sector groove, and a fence is arranged on the downstream portion of the falling opening upwards enclosedly; a collection bag is connected to the lower end of the falling opening; a damping articulation piece is arranged at the narrow end of the sector groove, a clamping plate is connected to the narrow end of the sector groove through the damping articulation piece, the clamping plate converges for clamping towards the outer contour surface of the narrow end of the sector groove and is clamped on the pot wall, and an angle support structure is arranged on the outer contour surface of the narrow end of the sector groove; the falling opening is a material falling channel, and the falling opening is internally provided with an electric breaking structure. Accordingly, the structure issimple, the pruning collecting method is simple, and crushed leaf and crushed branch recovery processing during daily pruning maintenance of a garden can be effectively met.
Owner:丁安君
Glycerin monobutyrate preparation process and magnetic solid catalyst
PendingCN114749209AAvoid reunionEasy to separateCatalyst protectionOrganic compound preparationPtru catalystSolid acid
The invention belongs to the technical field of preparation of glyceryl monobutyrate, and discloses a preparation process of glyceryl monobutyrate and a magnetic solid catalyst, the magnetic solid catalyst comprises: a carrier composed of Fe3O4 magnetic nanoparticles; the dispersed modification layer is formed by coating the carrier with polyacrylic acid; the porous composite layer is formed by crystallizing activated carbon, silicon dioxide and concentrated sulfuric acid and is attached to the outside of the dispersion modification layer, and sulfonic acid groups are distributed in pore channels of the porous composite layer; in conclusion, the magnetic material is introduced into the solid acid catalyst, so that the solid acid catalyst has certain magnetism and reaction stability under the condition of keeping relatively high catalytic activity; and the magnetic material carrier is coated with polyacrylic acid, so that the agglomeration phenomenon of nanoparticles of the magnetic material is effectively avoided, and the magnetic solid catalyst can effectively form uniform catalysis in the esterification reaction.
Owner:SHANDONG CHENGWU YIXIN ENVIRONMENTAL TECH CO LTD
Plate withdrawing mechanism with stable and efficient separation
PendingCN110371673AMeet recyclingReasonable structural designDischarging arrangementArticle unpackingBrickEngineering
Owner:天津鑫凯达精密机械有限公司
Industrial waste comprehensive management platform
PendingCN111798319ARealize dynamic supervisionMeet recyclingSustainable waste treatmentFinanceWaste processingWaste product
The invention provides an industrial waste comprehensive management platform, and relates to the field of waste treatment platforms. The invention relates to an industrial waste comprehensive management platform which comprises a solid waste data processing unit and a solid waste circulating transaction unit, wherein the solid waste data processing unit is used for collecting solid waste processing data of a plurality of enterprises, and the solid waste circulating transaction unit is connected with the solid waste data processing unit so as to carry out transaction according to the solid waste processing data of different enterprises. The problems of industrial pollution and serious waste are solved.
Owner:天津泰达低碳经济促进中心有限公司
Plating liquid separating-recovering system and control method of brush plating machine
The invention particularly discloses a plating liquid separating-recovering system and a control method of a brush plating machine. The plating liquid separating-recovering system comprises a liquid storage box which is divided into a plurality of independent liquid storage compartments, wherein an outlet of each liquid storage compartment is connected with an independent liquid separating compartment of a liquid separating device communicated with the liquid storage compartment, and a hydraulic pump I and a solenoid valve I are connected in series on a connection loop of the outlet and the liquid separating compartment; a loop returning to the liquid storage compartment is arranged between the solenoid valve I and the hydraulic pump I and is provided with an overflow valve; an outlet of the liquid separation device is communicated with an inner hole of a brushed piece; a plating liquid outlet of the brushed piece is communicated with the plating liquid separating-recovering device; the plating liquid separating-recovering device is connected with the inlets of the liquid storage box and a waste liquid box which are communicated with the plating liquid separating-recovering device. The plating liquid separating-recovering system can be used for recovering six types of plating liquids as well as the waste liquid which is generated after loops are cleaned by distilled water, and meanwhile the manufacturing cost is low.
Owner:SHANDONG UNIV
Automatic dispensing and recovering operation system of assembled type pipe connector
InactiveCN101492027ASignificant positive effectSave storage spaceVehicle with tipping movementTransportation itemsContainerizationLine tubing
The invention relates to an operating system for automatically distributing and recovering assembled pipeline connectors, which comprises a general vehicle chassis provided with a self loading and unloading mechanism, and an integrally assembling and disassembling operating shelter connected with the self loading and unloading mechanism. The operating system is characterized in that the integrally assembling and disassembling operating shelter comprises a connector storage rack, a longitudinal delivery mechanism, a transverse delivery mechanism and a vertical delivery mechanism. The operating system adopts a modern containerizing technique, an integrally assembling and disassembling technique, an automatic distribution (recovery) technique, and the like to achieve the containerization storage, the mechanized integral loading, unloading and transportation, and the automatic distribution and recovery of the assembled pipeline connectors and rubber gaskets, saves the storage space and the transportation capability of the connectors and the rubber gaskets, greatly reduces the labor intensity for loading, unloading, and distribution (recovery), and greatly improves the operating speed. The system has the advantages of scientific structure, high work reliability, strong environmental suitability, and convenient operation and maintenance.
Owner:LOGISTICAL ENGINEERING UNIVERSITY OF PLA
A method for fabricating flexible friction-piezoelectric hybrid energy harvesters by micro-stereolithography
ActiveCN110365246BIncrease potential differenceSatisfy mass productionPiezoelectric/electrostriction/magnetostriction machinesPiezoelectric/electrostrictive/magnetostrictive devicesPhoto irradiationEnergy harvester
A method for preparing flexible tribo-piezoelectric composite energy harvesters by micro-stereolithography, the dispersion of advanced piezoelectric materials, and then the preparation of piezoelectric photosensitive resins, and then the preparation of microstructured wave-shaped piezoelectric energy harvesters , the piezoelectric photosensitive resin is irradiated with ultraviolet light, and the microstructure wavy piezoelectric film is prepared by using the micro three-dimensional curing process. The substrate, the upper and lower metal electrodes are connected to the power supply, and thermally polarized in an oven. After the oven is cooled to room temperature, the voltage is removed to obtain a microstructure wave-shaped piezoelectric energy harvester; finally, a flexible friction-piezoelectric composite energy harvester is performed. The preparation of the microstructure wave-shaped piezoelectric energy harvester is placed on the conductive substrate with friction material to form a flexible friction-piezoelectric composite energy harvester; the invention has simple process, low cost, and greatly improves the output of the energy harvester performance.
Owner:XI AN JIAOTONG UNIV
Trimming equipment for furniture composite board production
ActiveCN114029827ATrimming meetsEasy accessBelt grinding machinesGrinding feedersElectric machineDust control
The invention discloses trimming equipment for furniture composite board production. The trimming equipment comprises a trimming chamber, a support plate mechanism is slidably mounted in the trimming chamber, trimming mechanisms are fixedly mounted on two sides of the trimming chamber, a lifting air cylinder is fixedly mounted at the top of the outer wall of the trimming chamber, and a dust removal mechanism is connected to the end of a piston rod of the lifting air cylinder. Through the support plate mechanism, the position of a furniture composite board on a supporting seat can be adjusted through a plurality of rotating rollers which are rotationally arranged; the feeding and discharging of the furniture composite board before and after trimming can be facilitated; furniture composite boards with different widths can be clamped through a limiting air cylinder and a limiting plate; the supporting seat can be driven to rotate through a rotating air cylinder, so that the trimming of the four edges of the furniture composite board is achieved; and the trimming angle of a trimming belt can be adjusted through a rotating motor and an overturning air cylinder, so that the trimming requirements of different angles are met.
Owner:ANHUI YOUSHUN WOOD IND
Wave-absorbing electromagnetic shielding regenerated polyester fiber and preparation method thereof
ActiveCN113818101AIntelligent and efficient cleaningGuarantee the quality of spinningElectroconductive/antistatic filament manufactureConjugated synthetic polymer artificial filamentsPolyesterFiber
The invention discloses wave-absorbing electromagnetic shielding regenerated polyester fiber. The fiber comprises a double-opening resonator area formed by conductive polyester and an enhanced wave-absorbing area formed by magnetic polyester; the double-opening resonator area comprises outer ring conductive polyester, an outer ring opening, inner ring conductive polyester and an inner ring opening; the outer ring opening and the inner ring opening need to be designed in opposite directions and at corresponding positions; and the enhanced wave-absorbing area comprises core magnetic polyester, inner-layer magnetic polyester and outer-layer magnetic polyester, and the three parts of polyester are mutually connected and communicated and fill all areas, except the conductive polyester, of the fiber. According to the wave-absorbing electromagnetic shielding regenerated polyester fiber, a vibration wave absorber structure is applied to regenerated polyester fiber by using the regenerated polyester fiber, conductive particles and magnetic particles, so that the regenerated polyester fiber is endowed with effective wave-absorbing and shielding functions. The invention also discloses a preparation method of the wave-absorbing electromagnetic shielding regenerated polyester fiber.
Owner:XI'AN POLYTECHNIC UNIVERSITY
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