38results about How to "Optimal structural composition" patented technology

The invention belongs to the field of chemicals and discloses a metal complex catalyzer and application thereof for synthesizing cyclic carbonate. The catalyzer is one of metal complexes of zinc element, copper element, cadmium element, aluminum element, tin element, iron element, cobalt element or nickel element and can also be composited with metal salt synergistic adjuvant to prepare a composite catalyzer, and CO2 (carbon dioxide) and epoxy compound are utilized to prepare the cyclic carbonate by cycloaddition. The metal complex catalyzer for synthesizing the cyclic carbonate is simple to prepare, high in catalytic activity, low in cost, easy to separate, good in stability and reusability, can form a homogeneous catalyzer system, and has a good industrial application prospect. Besides, the metal salt synergistic adjuvant is easy to obtain.

The invention provides a preparing method for a modified wood powder amphiprotic dehydrating agent. The method is characterized by comprising the steps that dispersing treatment is carried out on wood powder, after alkalization is carried out, etherification reaction is carried out by adding a certain amount of 3-chloropropionic acid, a carboxyethylation product is obtained, graft copolymerization reaction is carried out on the carboxyethylation product and acrylamide, a graft copolymerization product is obtained, mannich reaction is further carried out on the graft copolymerization product, and the modified amphiprotic dehydrating agent is obtained. According to the amphiprotic dehydrating agent, due to the fact that the hydration effect and the electrostatic repulsion effect between particles with different sizes in sludge are lowered, the mutual structural constitution is improved, new sludge particles with appropriate sizes are formed, the sludge positive pressure dehydrating effect is achieved, the good dissoluvability is achieved, during processing of the sludge, generated flocculating constituents are big, the sedimentation is rapid, the water yield is high, and the processing efficiency of the sludge is improved. Compared with a traditional dehydrating agent, the amphiprotic dehydrating agent has the advantages that the pollution is low, the degradation is easy to carry out, the toxicity does not exist, the effect is good, the application range is wide, and the secondary pollution in the sludge processing process is avoided.

The invention relates to the technical field of automatic stacking equipment, and discloses a clamping gripper mechanism based on logistics transportation loading and unloading. The clamping gripper mechanism comprises two sets of movable clamping blocks, a connecting support is arranged at the top end of each movable clamping block, a pushing clamping block is movably connected to a side face ofeach movable clamping block, and a fixed support is fixedly installed in the middle of a side face of each pushing clamping block. According to the clamping gripper mechanism based on logistics transportation loading and unloading, through arrangement of the movable clamping blocks and the pushing clamping blocks, when the pushing clamping blocks are subjected to pulling force and vertically moveupwards, under the effect of the inclined faces of the pushing clamping blocks, the movable clamping blocks can automatically move inwards to automatically clamp goods; and compared with an existing clamping mechanism, the clamping gripper mechanism based on logistics transportation loading and unloading has the advantages that other power output devices do not need to be arranged for clamping thegoods, the whole power structure composition and a control system are simple, the structure composition of a whole clamping gripper is greatly optimized, the energy consumption and the configurationcost are low, and the application range is wide.

The invention discloses a porous graphene / molecular sieve composite film acid catalyst, and a preparation method and applications thereof. According to the preparation method, synthesis of a quasi-two-dimensional graphene / molecular sieve composite film material is realized via the interface interaction of graphene sheets with molecular sieve particles. The obtained quasi-two-dimensional graphene / molecular sieve composite film material possesses fully exposed catalytic activity sites and shorter mass transfer pore passages, so that excellent acid catalytic properties are achieved. The preparation method possesses following advantages: the raw materials are widely available; operation technology is simple; operation is convenient to control; repeatability is high; compared with conventional solid acid, the porous graphene / molecular sieve composite film acid catalyst is capable of improving the acidity strength, catalytic performance, and cycling stability of molecular sieve, and industrialized large scale production is convenient to realize. The porous graphene / molecular sieve composite film acid catalyst is high in purity, excellent in structure composition, is of a multistage pore structure, is excellent in mechanical properties, possesses excellent catalytic performance in the field of acid catalysis, can be recycled for a plurality of times, and is promising in application prospect in the field of organic catalytic reaction.

The invention relates to the technical field of konjac bean curd food processing and particularly relates to konjac bean curd and a production method thereof. The method comprises the steps: lime and clear water are mixed according to a certain proportion for preparing, and then, the contact reaction time and the contact reaction temperature of the lime and the clear water are controlled, and the lime is digested relatively completely in clear water, so that the quality of obtained lime water is relatively good; and the content of calcium hydroxide in the lime water reaches a relatively saturated level, so that the microcosmic biochemical reaction of the lime water and konjac can be sufficiently performed when the lime water contacts with the konjac, and therefore, the structural composition of nutrient components in the raw material konjac of the konjac bean curd is improved, and the guarantee is provided for keeping the mouthfeeel and the strength of the konjac bean curd in the follow-up konjac bean curd food production process.

The invention discloses a CO2 emission reduction system and method synergized with hydrogen production by step-by-step conversion of biomass energy. The system comprises a CO2 photothermal reduction device, a graphene photothermal reduction furnace, a chemical chain hydrogen production device and a combustion furnace auxiliary heating device. High-efficiency conversion of biomass energy into synthesis gas, preparation of reduced graphene oxide and continuous and stable preparation of high-quality hydrogen are realized respectively by adopting renewable biomass as a raw material and utilizing aconcentrating solar energy technology, a novel graphene oxide photothermal reduction technology and a multi-stage fuel reactor chemical chain hydrogen production technology. The energy input of the system is inexhaustible solar energy, renewable biomass energy with zero-carbon emission in a life cycle, and high-quality hydrogen and graphene materials are prepared continuously and efficiently on the premise of ensuring the system self-heating, and the step-by-step conversion and utilization of non-fossil energy as well as the continuous emission reduction, fixation and reuse of CO2 gas under self-heating conditions of the system are realized.

The invention relates to a construction method of a large-particle-size cement regenerated base pavement structure. The problems that an existing pavement has the defect of reflection cracks and is low in heavy load resistance, and a flexible base layer is prone to net cracks and sinking are solved. According to the technical scheme, the building material comprises a main aggregate, a filling material and a caulking material. The method comprises the following steps: paving a main aggregate, rolling the main aggregate, paving a filling material, uniformly mixing the filling material and the main aggregate, conducting rolling, spreading a caulking material, and conducting rolling and preserving for 7 days. The rebound modulus is about 1200 MPa, the main aggregate is large-particle-size broken stone, the nominal particle size of the main aggregate is 53-73 mm or 37.5-63 mm, the filling material and the caulking material adopt an on-site cement cold recycled asphalt surface layer milling material, the cement cold recycled asphalt surface layer milling material is formed by mixing an old road asphalt pavement structure layer milling material, cement and water in regeneration equipment, the maximum particle size of the cement cold recycled asphalt surface layer milling material is smaller than 16 mm, the continuous grading curve requirement is met, the cement dosage range is 5-12%, and the 7d unconfined compressive strength representative value is not lower than 3 Mpa.

The invention relates to a high temperature resistant salt-resistant no-solid-phase environment-friendly well completion drilling fluid, which can effectively overcome the shortcomings in the performance and the application of the prior well completion drilling fluid, in particular can avoid damage to stratum, and can meet the strict requirements for environment protection. The invention has the technical proposal that the well completion drilling fluid is made up from water, formate, viscosity increaser, filtration loss reducing agent, oil layer protective solute and polymeric-alcohol collapse preventing agent. The well completion drilling fluid is ensured to contain no solid-phase component, reduces the damage to the stratum greatly, has fine structural components, not only optimizes the overall performances of the system, but also improves the stability of heat resistance and salt resistance of the system. The constituents adopted by the invention are all water-soluble substances, the pollution on the environment caused by emissions is reduced, the system also can be recovered and recycled, and high-priced fluid preparing cost can be reduced greatly.

The invention discloses ceramsite foamed concrete which is composed of ordinary Portland cement, ceramsite, fly ash, river sand, nano zeolite powder, albite, composite foaming agent, water reducing agent, carbon fiber, vanadium carbide, cellulose ether, triethanolamine and sodium lauryl sulfate. The ceramsite foamed concrete is prepared by combining foamed concrete and ceramsite concrete; at the same time, by the optimization of the composition of the raw materials and contents thereof, the fluidity of the concrete is improved, the pore structure distribution is optimized, and the heat insulation performance is improved.

The invention relates to a hardening and tempering stirring kettle for mariculture solid waste and a hardening and tempering method. The hardening and tempering stirring kettle comprises a kettle body; a feeding pipe is arranged on the kettle body; the kettle body comprises a conical cavity, a stirring drainage assembly is arranged at the bottom of the conical cavity, and a power assembly provides rotation power for the stirring drainage assembly; a discharging assembly is arranged on the kettle body; an end opening of the discharging assembly is connected to the wall of the conical cavity in a sealed mode; an air heater assembly and a water supply assembly are further arranged, and an air supply end opening of the air heater assembly and a water supply end opening of the water supply assembly are communicated with an inner cavity of the kettle body; and the stirring drainage assembly comprises a stirring impeller and a spherical filter cap, a wheel shaft of the stirring impeller is a hollow shaft, the spherical filter cap is mounted at an upper port of the wheel shaft, and a lower port of the wheel shaft is connected with a sewer line arranged at the bottom of the kettle body. The process and the device are used for performing dehydration and desalination treatment on the mariculture solid waste, the speed is high, and the mode is flexible. Small amount of testing is carried out, and after parameters are adjusted, automatic operation can be carried out.

The invention relates to the technical field of automatic palletizing equipment, and discloses a gripper mechanism based on logistics transportation and loading and unloading. A connecting support is provided, the side of the movable clamping block is movably connected with a pushing clamping block, and the middle part of the side of the pushing clamping block is fixedly installed with a fixed bearing. The clamping handle mechanism based on logistics transportation and loading and unloading, through the setting of the movable clamping block and the pushing clamping block, when the pushing clamping block is subjected to tension and moves vertically upwards, under the action of its inclined surface, the movable clamping block can move toward the Automatic inner movement and automatic clamping of goods, compared with the existing clamping mechanism, there is no need to configure other power output devices to clamp goods, the entire power structure composition and control system are relatively simple, greatly optimized The structural composition of the entire clamping handle has low energy consumption and configuration costs, and a wide range of applications.

The invention discloses a porous graphene / molecular sieve composite film acid catalyst, and a preparation method and applications thereof. According to the preparation method, synthesis of a quasi-two-dimensional graphene / molecular sieve composite film material is realized via the interface interaction of graphene sheets with molecular sieve particles. The obtained quasi-two-dimensional graphene / molecular sieve composite film material possesses fully exposed catalytic activity sites and shorter mass transfer pore passages, so that excellent acid catalytic properties are achieved. The preparation method possesses following advantages: the raw materials are widely available; operation technology is simple; operation is convenient to control; repeatability is high; compared with conventional solid acid, the porous graphene / molecular sieve composite film acid catalyst is capable of improving the acidity strength, catalytic performance, and cycling stability of molecular sieve, and industrialized large scale production is convenient to realize. The porous graphene / molecular sieve composite film acid catalyst is high in purity, excellent in structure composition, is of a multistage pore structure, is excellent in mechanical properties, possesses excellent catalytic performance in the field of acid catalysis, can be recycled for a plurality of times, and is promising in application prospect in the field of organic catalytic reaction.

The invention discloses a production device and method for edge grooving of a mineral wool board. The production device comprises a tenoning cutter unit, a grooving cutter unit and a conveying workbench; and the conveying workbench comprises a first conveying workbench body and a second conveying workbench body which are perpendicular to each other in the conveying direction. The production methodincludes the steps that the mineral wool board is cut into a target size; the mineral wool board is arranged on the first conveying workbench body with the decoration surface facing upwards; the tenon edge forming operation of the first set of opposite edges of the mineral wool board is completed through the tenoning cutter unit, and the groove forming operation of the first set of opposite edgesof the mineral wool board is completed through the grooving cutter unit; conveying along the first conveying workbench body continues, and conveying onto the second conveying workbench body is performed; and the tenon edge forming operation of the second set of opposite edges of the mineral wool board is completed through the tenoning cutter unit, and the groove forming operation of the second set of opposite edges of the mineral wool board is completed through the grooving cutter unit.

The invention discloses a ceramsite foam concrete and a preparation method thereof. The concrete consists of ordinary portland cement, ceramsite, fly ash, river sand, nano zeolite powder, albite, a composite foaming agent, a water reducing agent, carbon fiber, vanadium carbide, cellulose ether, triethanolamine and sodium dodecyl sulfate. In the invention, a ceramsite foam concrete and a preparation method thereof are developed by combining foam concrete and ceramsite concrete; and meanwhile, by optimizing the raw materials and content thereof, the concrete fluidity is improved, the pore structure distribution is optimized, and the thermal insulation property is enhanced.

The invention discloses a tubular TiO2 / carbon lithium ion battery negative electrode material and preparation method and application thereof. The preparation method comprises the steps of (1) preparing a precursor solution; (2) preparing an organic titanium precursor; and (3) sintering. According to the method, polyhydric alcohols, monohydric alcohol and ether are used as a carbon source, titanylsulfate is used as a titanium source, the organic titanium precursor is prepared by solvothermal synthesis, and a finished product is obtained by inert atmosphere calcination. The prepared material isin a tubular shape assembled by a nanosheet, has richer porosity, larger specific surface area and shorter lithium ion transmission passage, so that excellent lithium battery performance is displayed. The preparation method is wide in raw material source, simple in operation process and high in repeatability and is easy to control. Compared with a traditional titanium-based material, the materialhas higher specific capacity, excellent rate performance and long-term cycle stability and has wide application prospect in the lithium ion battery negative electrode.

The invention relates to the technical field of glass molding equipment, and discloses a high-precision glass molding machine, including a lower mold, the outer surface of the lower mold is movably connected with a connecting sleeve through a pin-connected connecting rod, and the connecting sleeve The bottom of the outer surface is fixedly fitted with clamping helical teeth, and the top of the connecting sleeve is provided with a groove. The active socket has an upper die. In this high-precision glass molding machine, the expansion air bag is set so as to use the pressure generated by the expansion of the inert gas filled in it to squeeze the glass raw material on the glass molding machine and mold it into The specific shape does not require other power output devices, thereby effectively reducing the power consumption of the glass molding machine in the working process, and at the same time reducing the preparation and maintenance costs of the glass molding machine.

The invention relates to an omnibearing camera security system, which comprises a platform management workstation, an embedded hard disk video recorder, an analog camera, a network camera and a network switch; the information output end of the network camera is connected with the information input end of the network switch; the embedded hard disk video recorder is in communication connection withthe network switch; the network switch is in communication connection with the platform management workstation; a network hard disk video recorder; the network switch is in communication connection with the network hard disk video recorder. Through the combined data transmission effect of the platform management workstation, the embedded hard disk video recorder, the analog camera, the network camera, the network switch and the network hard disk video recorder, the system structure composition is more stable and more convenient; after the outdoor equipment is composed of a supporting column, acontrol box, a camera device, a lightning rod, a grounding wire anda grounding steel bar, a reasonable and stable structure is formed, the lightning protection effect is obvious, and the popularization and use value is achieved.

The invention discloses a low-solid-phase high-temperature-resistant salt-resistant completion fluid as well as a preparation method and application thereof. The low-solid-phase high-temperature-resistant salt-resistant completion fluid comprises the following components in parts by weight: 100 parts of water, 1-6 parts of bentonite, 10-260 parts of formate, 1-10 parts of a high-temperature-resistant tackifier, 2-10 parts of a high-temperature-resistant filtrate reducer, 1-6 parts of an oil layer protective agent, 1-10 parts of a flow pattern regulator and 1-5 parts of a high-temperature stabilizer. The low-solid-phase, high-temperature-resistant and salt-resistant completion fluid has good rock debris carrying suspension capacity in a deep well, can be used for deep exploration and development, is high in adaptability, can be used for formation of high-temperature, low-pressure and low-permeability sandstone, mudstone and mudstone shale reservoirs and salt layers, has good shale hydration expansion inhibition capacity and reservoir protection effect, and is mainly used for deep well completion construction.

The invention relates to the technical field of transformers, and discloses an intelligent dry-type distribution transformer, which includes a fixed base, fans are arranged inside both sides of the fixed base, and a dry-type transformer group is fixedly installed in the middle of the top of the fixed base , and the top of the dry-type transformer group is fixedly installed with a mounting bracket, and the two sides of the top of the mounting bracket are respectively provided with a control mechanism and a feedback mechanism, and the feedback mechanism includes a fixed sleeve. For the intelligent dry-type distribution transformer, for the setting of elastic airbags, conductive heating bulbs and current wires, when the dry-type transformer is in an overloaded state, the conductive heating bulbs will generate more heat, thereby forcing the elastic airbags to generate heat. Expansion until it ruptures due to excessive expansion, causing the conductive heating ball to fall off due to the loss of the support valve of the fixing cable, and then cut off the circuit connection between the two sets of current wires to realize the tripping action of the dry-type transformer.

The invention relates to an automobile roof lining structure which comprises a roof lining body and a plurality of mushroom hasps connected to the roof lining body in a positioning mode, the front edge of the roof lining body is in an arc shape, the rear edge of the roof lining body is straight, and the outline shape of the roof lining body is matched with that of a roof. A front ceiling lamp frame opening is formed in the front portion of the top cover lining body, a skylight frame opening and two side ceiling lamp frame openings are formed in the middle of the top cover lining body, and the two side ceiling lamp frame openings are located in the two sides of the skylight frame opening, the top cover lining body is of a layered structure and is composed of a base body layer, an adhesive layer, a sponge sound absorption layer and a decorative layer, the sponge sound absorption layer is adhered to one surface of the base body layer through the adhesive layer, and the decorative layer covers the sponge sound absorption layer; and a plurality of reinforcing ribs are arranged on the other surface of the base body layer. The plastic bracket is simple in composition structure, light in weight, high in strength, simple in forming process, low in mold cost and capable of saving raw materials, reducing cost and peculiar smell and overcoming the defect of appearance wrinkles caused by degumming and deformation of the plastic bracket.

The invention relates to a full automatic grooving machine, comprising a main frame, a mainframe board installed on the main frame, a feeder bracket installed at one side of the mainframe board, a funnel type feeding device installed on the feeder bracket, a transmission cutting magazine tool installed at the other side of the mainframe board, a workpiece propelling device installed under the funnel type feeding device, a feeding bracket installed under the workpiece propelling device, and a program controlled electric installation installed on the main frame and used for controlling the fullautomatic grooving machine to work. The full automatic grooving machine can realize mechanical and automatic operation of pipe grooving. The full automatic grooving machine is high in working efficiency, suitable for large batch machining production, simple and convenient for structural composition, reliable in working and low in manufacturing cost, and can satisfy multidirectional grooving without deformation; the operations of feeding, grooving and exiting are free; and the machine is suitable for multi-direction grooving operations of relevant products such as metal, plastic cement and wood glue.