556results about How to "Stable production" patented technology

The invention relates to a hot-rolled wire rod for a 2100MPa-grade bridge cable and a manufacturing method of the hot-rolled wire rod, after the hot-rolled wire rod is formed by rolling high Si-Mn chemical components and spinning at the spinning temperature of more than or equal to 955 DEG C, the wire rod is cooled at the cooling speed of more than or equal to 36 DEG C / s through online molten salt sorbite regulation and control treatment, enters a sorbite phase region from an austenite state, promotes sorbite phase transformation and is subjected to isothermal treatment to remove stress; and finally, roller way slow cooling is conducted, the hot-rolled wire rod with the microscopic structure comprising tempered sorbite with the volume percentage larger than or equal to 95% and the balance being a mixed structure composed of ferrite and fused sorbite is prepared, deteriorated structures such as network carbide and martensite can be effectively controlled, wire rod structure regulation and control, strength and plasticity matching and stable production are achieved, and the effects that the tensile strength is 1500-1540 MPa, the tensile strength is high, and the tensile strength is high can be achieved. The composite material is used in the application fields of manufacturing of 2100MPa-grade ultrahigh-strength bridge cables and the like, and is beneficial to reduction of the risk of wire breakage.

The H-shaped steel post-process production line comprises a temporary storage station, an assembly station, a transfer system, a welding station and a cleaning and grinding system, H-shaped steel is taken out from the temporary storage station, transported to the assembly station through the transfer system, assembled and spliced manually, and transported to the welding station through the transfer system after being spliced; the whole production line is controlled in a coordinated mode through a production line master controller, signal exchange between the transfer conveying device and all the stations is achieved, automatic feeding and discharging of the components are completed, the conveying efficiency is improved, the safety of the production line is improved, and the production line is suitable for machining large-batch open type H-shaped steel beams. The production flow of the whole process is stable, the consistency of products is improved, and the requirement of dynamic production line assembly on the professional skill level of workers is reduced; welding workers are replaced by robot welding, the requirement for station workers is low, and meanwhile the cleaning and grinding workload is greatly reduced.

The invention provides a process for preparing cyclohexane-1, 2-dioctyl phthalate, which adopts a loop reaction process to perform hydrogenation reaction of dioctyl phthalate, and comprises the following steps: under the condition of excessive hydrogen atmosphere, firstly putting a catalyst, a solvent and a target product into a reaction tank to form a circulating material; when reaction liquid passes through the Venturi ejector, hydrogenation reaction can be carried out, the Venturi reactor can provide a high gas-liquid mixing ratio, the reaction rate is high, and the production efficiency is high. The catalyst and the reaction mixed liquid are separated by combining a membrane separation process, so that the catalyst is recycled, and the cost is reduced. The target product is added into the system to maintain material balance in the system, so that stable production is ensured. Compared with the traditional technical process, the method has the advantages that the reaction time is shortened, the energy consumption of the device and the investment cost are reduced, the high conversion rate of reactants and the high selectivity of target products can be kept, the operation period of the device is long, and continuous and stable production is realized.

The invention relates to a hot-rolled wire rod for a 2060MPa bridge cable and a manufacturing method of the hot-rolled wire rod, after C-Si-Mn-Cr-V-Nb component is rolled and spun into a wire rod, the wire rod is subjected to online molten salt strong isothermal treatment, so that the wire rod is cooled at a cooling speed of greater than or equal to 34 DEG C / s, and enters a sorbite phase region from an austenite state to form a structure mainly comprising fine lamellar spacing sorbite, and isothermal treatment is carried out; and finally, through roller way slow cooling, the hot-rolled wire rod with a microscopic structure mainly comprising tempered sorbite and the balance being a mixed structure composed of ferrite and microspheroidized carbide is prepared, a deteriorated structure influencing the performance of a wire rod finished product in the production process can be effectively controlled, stable production is achieved, and the strength and plasticity matching of the wire rod is improved. The tensile strength is 1440-1490 MPa, the percentage reduction of area is 42%-46%, and the method is suitable for efficient and stable production and manufacturing of the 2060 MPa bridge cable.

The invention discloses a PD-L1 immunohistochemical quality control product and a preparation method thereof, and relates to the technical field of biology. The PD-L1 immunohistochemical quality control product comprises cell slices prepared from a plurality of different types of tumor cells, the cell section comprises a positive quality control product and a negative quality control product which are marked by different colors. In the invention, different tumor cells are creatively adopted as raw materials of the quality control product, the quality control product can be efficiently and quickly prepared, and the limitation of the source of a human tissue sample is overcome; a BSA sealing buffer solution is used for soaking the section, so that long-term stable production of a quality control product can be realized, the dyeing background is reduced, and the dyeing effect is enhanced; besides, by preparing the cell slices with various proportions and different staining intensities, the quality control on the staining of the antibody can be ensured, and guidance can also be provided for accurate interpretation, namely comprehensive and accurate quality control and interpretation guidance are provided for the staining of the antibody, false negative and false positive are effectively eliminated, and the method has great clinical significance.

The invention discloses a rolling method for a high-uniformity Ti650 high-temperature titanium alloy sheet. The rolling method comprises the steps that S1, a Ti650 alloy ingot is subjected to cogging forging and circulating forging; s2, after a pure titanium plate is welded to the surface of the obtained intermediate forging blank, heating and heat preservation are conducted, and a first semi-finished plate blank is obtained through first-fire rolling; s3, the first semi-finished plate blank is subjected to edge cutting, saw cutting, heating, heat preservation and secondary fire rolling, and a second semi-finished plate blank is obtained; s4, the second semi-finished plate blank is subjected to grinding, edge cutting and saw cutting, then heating and heat preservation are conducted, and third-fire rolling is conducted to obtain a third semi-finished plate blank; s5, the third semi-finished product plate blank is subjected to water cutting sizing and pre-oxidation annealing, and a ply rolling bag is manufactured; and S6, the ply rolling bag is heated, subjected to heat preservation and subjected to fourth fire rolling, and the Ti650 high-temperature titanium alloy plate is obtained after treatment. According to the rolling method of the high-uniformity Ti650 high-temperature titanium alloy sheet, the problems that Ti650 alloy is prone to being damaged, the structure performance is not uniform, and the process is complex are solved.

The invention discloses a method for calling and synchronously controlling a working mode of a powder forming servo press. When formulating a programming module, a realization module of a mode parameter is firstly carried out, and it is defined that all modes have a common calling entry and result exit. Before carrying out a functional program, two classification methods are adopted for classification: a first type of mode: a manual mode and an automatic mode, each mode has a bit identifier, and then combined with a word identifier for uniqueness distinction; a second type of mode, from the perspective of a control axis, is divided into: operation control of three axes, an upper punch axis, a middle die axis and a powder feeding axis, which can cooperate with the operation control of the manual mode or the automatic mode of the first type of mode, and the calling entry uses the same variable symbol, and a certain mode uses different state identifiers and the same mode identifier for AND logic, and then different modes are linked in parallel and output to the same result variable symbol; the two types of modes are combined to make a selection that can be selected and coordinated.

The invention discloses a water electrolysis hydrogen production flexible ammonia synthesis coupling system, and relates to the technical field of energy utilization. Comprising a renewable energy power supply, a water electrolysis hydrogen production unit, a synthesis ammonia unit, an energy recovery and transfer unit, an information prediction unit and a control unit, the water electrolysis hydrogen production unit comprises an alkaline electrolytic bath, and the alkaline electrolytic bath is connected with a renewable energy power supply; the ammonia synthesis unit comprises an ammonia synthesizer; the hydrogen source supply device is connected with the hydrogen outlet end of the alkaline electrolytic bath; the energy recovery and transfer unit comprises a first heat exchanger, one end of the first heat exchanger is connected with the ammonia synthesizer, and the other end is connected with the alkaline electrolytic bath; the information prediction unit is used for acquiring power supply prediction information and ammonia load demand prediction information of renewable energy sources, and the control unit is used for performing scheduling control on the water electrolysis hydrogen production unit and the ammonia synthesis unit. The system provided by the invention can better adapt to the volatility of the renewable energy power supply, and ensures the stable proceeding of the production process.

The invention belongs to the technical field of magnetic materials, and particularly relates to a method for preparing a high-performance neodymium-iron-boron magnet in a one-stop mode. The method for preparing the high-performance neodymium-iron-boron magnet in the one-stop mode comprises the following steps that rapid-quenching neodymium-iron-boron magnetic powder is subjected to cold pressing to obtain a cold-pressed blank, the surface of the cold-pressed blank is coated with a release agent, then preheating is conducted, and then the cold-pressed blank is put into a heat flow deformation mold to be subjected to pre-pressing, heat flow deformation and forming; the heat flow change mold sequentially comprises a pre-pressing section, a heat flow change section and a forming section from top to bottom. According to the method, pre-pressing, heat flow change and forming are carried out in a one-stop mode in a heat flow change mold, densification-grain flow change, magnetic domain preferred orientation-orientation uniformization and finished product forming of the magnet are completed, the traditional hot pressing process is avoided, the production procedure is greatly simplified, the production cost is reduced, and the production efficiency is improved.

The invention discloses polyether modified silicone oil for improving polyol compatibility and application of the polyether modified silicone oil in a polyurethane foam composition. The structure of the polyether modified silicone oil simultaneously comprises the following chain segments: (a) a polyoxyethylene ether chain segment; and (b) alkylated polyoxyethylene polyoxypropylene ether chain segments, wherein EO and PO can be random copolymerization or block copolymerization. Wherein the molar ratio of the polyoxyethylene ether chain segment to the alkylated polyoxyethylene polyoxypropylene ether chain segment is 1: (0.6-4), preferably 1: (1-2). The polyurethane composition comprises a component A and a component B, the component A is an isocyanate reactive component and comprises polyol, a catalyst, a foaming agent and polyether modified silicone oil; and the component B is an isocyanate component. The polyether modified silicone oil has the functions of a compatilizer and a foam stabilizer, and a polyurethane composition has good storage performance and foaming stability and can be used for preparing a polyurethane foaming material.

The invention discloses a well spacing method, system and equipment in the middle and later periods of gas reservoir development and a storage medium, and the method comprises the following steps: S1, selecting a gas reservoir of which the water drive and the thickness meet the requirement and the reservoir is strong heterogeneity, and selecting a horizontal well for deployment when a primary well pattern of the gas reservoir cannot meet the development requirement of the stage or the recoverable reserves in the middle and later periods of development are greater than or equal to 50%; s2, if the high-permeability strip does not exist in the gas reservoir, the horizontal well is deployed close to the top of the reservoir; if the high-permeability strip exists in the gas reservoir, the longitudinal deployment position of the horizontal well is determined according to the position of the high-permeability strip; s3, determining the direction of the horizontal well in combination with geomechanics and fracture depiction; s4, calculating the length of the horizontal well under the condition that the productivity ratio of the vertical well is more than 1.5; and S5, horizontal well spacing is conducted according to the longitudinal deployment positions, directions and lengths of the horizontal wells in the steps S2 to S4. The effective well spacing adjustment strategy in the middle and later periods is achieved, and the gas reservoir recovery efficiency is effectively improved.

The invention relates to the field of data processing, in particular to a stacking method for a panel furniture processing production line, which comprises the following steps of: initializing data of a current processing layer in a stacking process, evaluating an effective placing space of the current processing layer based on the size and gravity center data of a panel in the stacking process, and selecting a proper panel for placing. And after the plates are placed each time, the gravity center data of the current processing layer and the whole stack are calculated and updated, so that the stability and safety of the stack are ensured. And finally, the system completes all stacking operations by setting stacking cut-off conditions. According to the intelligent stacking method, data analysis and robot automation technologies are combined, the stacking process of the panel furniture is optimized, the space utilization rate is increased, the stacking stability and safety are ensured, and finally the efficient and stable production process is achieved.

The utility model relates to the technical field of battery production, in particular to a battery cell pre-welding and cutting magnetic suspension production line and a battery production system. The battery cell pre-welding and cutting magnetic suspension production line comprises a magnetic suspension conveying assembly, a feeding assembly, a tab welding assembly, a tab cutting assembly, a rubberizing assembly and a discharging assembly. The magnetic suspension conveying assembly comprises a conveying line and a plurality of rotor carriers, the feeding assembly, the tab welding assembly, the tab cutting assembly, the rubberizing assembly and the discharging assembly are sequentially arranged at intervals in the conveying direction of the conveying line so as to form a plurality of cell processing stations on the conveying line, and the rotor carriers circularly move on the conveying line; and the battery cells are driven to shuttle to different battery cell processing stations along the conveying direction of the conveying line. The magnetic suspension conveying assembly replaces a traditional conveying mode, the rotor carrier flows back smoothly, the conveying time is saved, the automation degree is high, personnel investment is reduced, the occupied area is small, and the conveying efficiency between stations of the battery assembly line is effectively improved.

The invention relates to the technical field of milling machines, in particular to a milling machine positioning system which comprises a base, a sliding seat, a mounting seat, a driving box, a positioning mechanism, two supporting mechanisms, two rotating rods and a chuck. The chucks are installed on the opposite sides of the two driving boxes, a workpiece is located between the two rotating rods, and the ends, away from the workpiece, of the rotating rods are clamped in the chucks. The intelligent positioning tool for milling drum tool apron welding is suitable for the milling drum production process, and the high-precision milling drum is stably produced by adopting the intelligent positioning tool for milling drum tool apron welding. According to the positioning tool, accurate positioning between the milling drum tool apron and the milling drum is ensured, so that accurate matching of the milling drum tool and the workpiece is realized, and the milling efficiency and the machining precision are improved. Therefore, by using the positioning tool, the performance of the milling drum can be remarkably improved, the service life of the milling drum can be remarkably prolonged, meanwhile, the machining technological process is optimized, and the production efficiency is improved.

The invention relates to a preparation method of a lightweight reduced graphene oxide-silicon dioxide electromagnetic wave absorbing material. The invention belongs to the technical field of electromagnetic wave absorbing materials. The invention solves the problems that the impedance of the existing reduced graphene oxide is mismatched, the density of the modified reduced graphene oxide composite wave-absorbing material is increased and the preparation method is complicated. The method comprises the following steps: performing chemical crosslinking on graphene oxide, silicon dioxide and a silane coupling agent to obtain a precursor; and drying and sintering the precursor. The material prepared in the invention has good impedance matching and abundant interface polarization and relaxation effects, can effectively reduce the reflection loss value of electromagnetic waves and increase the effective absorption bandwidth of the electromagnetic waves, and has excellent electromagnetic wave absorption performance. When the thickness of the material is only 1.5 mm, the RL of the material can reach-54.08 dB, and when the thickness of the material is 1.7 mm, the effective absorption bandwidth of the material can reach 5.12 GHz. In addition, the density of the material is only 0.083 g / cm < 3 >, the process is simple, and stable batch production can be realized.

The utility model discloses a composite conductive elasticized yarn, which relates to the technical field of textile yarns and comprises a yarn body, the yarn body comprises non-conductive chemical fiber bunchy filament fibers and organic conductive bunchy filament fibers, and after the non-conductive chemical fiber bunchy filament fibers and the organic conductive bunchy filament fibers are stranded through an air network, the non-conductive chemical fiber bunchy filament fibers and the organic conductive bunchy filament fibers are stranded through an air network. And elasticizing by an elasticizer to form a curled structure. According to the utility model, the organic conductive bunchy filament fibers and the non-conductive chemical fiber bunchy filament fibers are combined, so that the surface friction of tows is reduced, the elasticity-enhancing crimp deformation processing of the low-denier conductive fibers is realized, the production state is greatly improved, the subsequent weaving is facilitated, and the production efficiency is improved. The purposes of stable production of the composite conductive elasticizing yarn and small damage to each part of elasticizing equipment are achieved.

The invention relates to the technical field of fault diagnosis models, and discloses an adaptive AI fault diagnosis model fusing reinforcement learning and an industrial equipment predictive maintenance system. Comprising an industrial equipment data acquisition and preprocessing module, a reinforcement learning-fused adaptive fault diagnosis model module, an equipment health degree evaluation and residual life prediction module, a predictive maintenance decision and execution module and a system management and integration module, and the output end of the industrial equipment data acquisition and preprocessing module is electrically connected with the input end of a self-adaptive fault diagnosis model module fusing reinforcement learning. According to the system, data during equipment operation are effectively collected, the equipment health degree evaluation module is matched to convert the feature deviation degree into 0-100 visual scores, the health trend visualization unit displays changes through a broken line diagram and a thermodynamic diagram, fault risk points are marked, historical backtracking and multi-equipment comparison are supported, non-professional personnel can also rapidly judge the equipment state, and the equipment health degree evaluation module is matched to convert the feature deviation degree into 0-100 visual scores. And the equipment management efficiency is improved by 30%.

The invention belongs to the technical field of thin film materials, and discloses an anti-adhesion and smooth nylon master batch as well as a preparation method and application thereof. The nylon master batch is prepared from the following raw materials: inorganic powder, a surface treating agent and nylon resin, the inorganic powder comprises silicon dioxide and / or glass beads, and the surface treating agent comprises fatty acid amide, (carboxyl decyl) terminated-polydimethylsiloxane and hexamethylenediamine. The nylon master batch provided by the invention also has the advantages of low net passing pressure, less film breaking times, no precipitation and the like caused by excellent dispersing performance on the basis of preventing the adhesion of the nylon film, and is particularly suitable for production of high-transparency nylon films, nylon base material films for high-speed packaging, especially nylon packaging films for shallow printing; and the influence on film transparency, corona treatment and printing composition is little.

The invention discloses an organic silicon monomer synthesis material collecting and returning device and process. A gas phase outlet in the top of a fluidized bed is connected with an inlet of a secondary cyclone separator; a gas phase outlet of the second-stage cyclone separator is connected with an inlet of the third-stage cyclone separator, and a solid phase outlet of the second-stage cyclone separator is connected with a receiving hopper of the second-stage cyclone separator; a receiving hopper of the secondary cyclone separator is connected with inlets of the fine powder tank A and the fine powder tank B; silicon powder and chloromethane react in the fluidized bed, most of silicon powder is separated through a built-in cyclone separator and directly returns to the bed through a dipleg, other gas-solid mixtures enter a secondary cyclone to collect fine powder, the fine powder is alternately and continuously returned to the bed, and the efficiency of the secondary cyclone is adjustable. The reaction of the fluidized bed is stabilized, the automation level and intrinsic safety of the device are improved, and the labor intensity is greatly reduced.

The invention discloses a disc shear shearing parameter optimization method and device, and relates to the technical field of cold-rolled strip steel production, and the method comprises the steps: collecting process data and production data, obtaining the collected process data and production data through the communication with a PLC, carrying out the image defect recognition of the edge part of the sheared strip steel through an industrial camera, and carrying out the image defect recognition of the edge part of the sheared strip steel; obtaining a classification result of the severity of the strip steel defects, and preprocessing the classification result; establishing a sample space, taking the trimming detection quality as a sample label, taking other data as sample features, forming a sample, selecting a KNN algorithm to carry out training completion, and storing a training model after training completion; calculating by constructing a parameter vector space and substituting the parameter vector space into the trained training model, selecting an optimal parameter set value, and maintaining an original value if the optimal parameter set value is not optimal. By means of the disc edge cutting device, the failure rate during disc edge cutting work can be reduced, the edge cutting production stability can be improved, and the edge cutting quality is improved.

The invention provides an annual crop rotation method for soybeans, rice and oilseed rapes, which comprises the following steps: continuously cropping soybeans, rice and oilseed rapes (spring soybean-late rice-oilseed rape annual crop rotation system) on the same land in the same year (within 12 months), and regulating and controlling rhizosphere local nutrients of crops by adopting a lateral deep fertilization technology, so that the soil health is improved, and the crop yield is increased. The multiple cropping index is increased, high yield of grain and oil feed is promoted, and multiple improvements of environmental and economic benefits are realized. According to the technical scheme, through crop rotation, a single rice continuous cropping mode is broken through, extension of root systems in the growth process of soybeans and oilseed rapes can be utilized, the soil structure is improved, the air permeability and the water-retaining property of soil are enhanced, an excellent growth environment is provided for succeeding crops, the comprehensive yield of rice, soybeans and oilseed rapes is increased, and high economic benefits are achieved; in addition, in a crop rotation system, application of lateral deep fertilization is closely combined with growth characteristics of soybeans, rice and oilseed rapes, and the goals of increasing yield and efficiency, saving cost and protecting environment are achieved.

The invention provides a control method for producing aluminum-silicon alloy liquid by an electro-eutectoid tank, which comprises the following steps: controlling the electro-eutectoid tank to enter a roasting stage, and obtaining the temperature of the electro-eutectoid tank corresponding to the roasting stage; when the temperature reaches a preset starting temperature, the electro-eutectoid tank is controlled to enter a starting stage; the step of controlling the electro-eutectoid tank to enter the production stage from the starting stage comprises the step of controlling the anode lifting height interval of the electro-eutectoid tank based on the voltage noise of the electro-eutectoid tank in the production stage; controlling the blanking amount of aluminum oxide and silicon dioxide based on the voltage of the electro-eutectoid tank in the production stage; the blanking amount of aluminum fluoride is controlled based on the working duration of the electro-eutectoid tank in the production stage; controlling the voltage corresponding to the suction amount of the silicon-aluminum alloy liquid based on the lifting height of the anode in the electro-eutectoid tank in the production stage; and controlling the voltage of the electro-eutectoid tank to be maintained in a preset range based on the voltage corresponding to the anode lifting height, the blanking amount of the aluminum oxide and the silicon dioxide, the blanking amount of the aluminum fluoride and the suction amount of the silicon-aluminum alloy liquid, so as to obtain the silicon-aluminum alloy liquid.

The invention discloses a preparation method of a PVA (polyvinyl alcohol) optical film for a waterless corrugated thin polarizer, which comprises the following steps: dissolving a PVA polymer and an additive in a solvent to prepare a film casting stock solution, extruding the film casting stock solution by an extruder, defoaming, filtering to form a liquid film, extruding the liquid film from a mouth mold, drying by a tape casting roller, and drying to obtain the PVA optical film for the waterless corrugated thin polarizer. And finally, the thin film enters a drying oven to be subjected to heat treatment, and the PVA optical film is obtained through rolling. According to the PVA optical film for the water-ripple-free thin polaroid and the preparation method of the PVA optical film, starting from the forming mechanism of water ripples, the forming rule of production parameters of extrusion casting on the water ripples is studied, and therefore the preparation technology of the water-ripple-free PVA optical film is formulated.

The utility model discloses a raw material conveying and mixing mechanism for washing machine observation window glass production, which comprises a screw conveyer and a feed hopper, a first support plate is arranged on the right side of the front side of the screw conveyer, a driving device is arranged on the top of the first support plate, a second support plate is arranged on the front side of the feed hopper, and the second support plate is arranged on the right side of the screw conveyer. A control device is arranged on the rear side of the second supporting plate, two transmission columns are arranged in an inner cavity of the feeding hopper, a plurality of control plates are evenly distributed on the curved surfaces of the transmission columns, and knocking devices are arranged on the left side and the right side of the feeding hopper. According to the spiral conveyor, the transmission column, the control panel, the driving device, the control device and the knocking device are matched for use, so that the problems that when an existing spiral conveyor is used for feeding, the speed of materials entering the inner cavity of the spiral conveyor from the inner cavity of the feeding hopper cannot be controlled, the feeding flow cannot be automatically controlled, the production process is more stable, and the production efficiency is improved are solved. And the problems of material blockage and overflow are avoided.

The invention relates to the technical field of warp knitting machine control, in particular to a carbon fiber warp knitting machine operation method based on the Internet of Things, which comprises the following steps: determining a knitting control state of a warp knitting machine, determining an initial knitting speed and matching a traction speed according to the initial knitting speed; determining a central area and an edge area of the braided fabric according to the raw material diameter of the carbon fiber raw material and the target fabric density; determining the motion trails of the warp knitting needle and the sinker in the knitting process so as to determine the equipment characterization state of the warp knitting machine; determining whether the warp knitting machine acquires a surface image of the braided fabric or not according to the equipment characterization state; acquiring a surface image of the braided fabric at each preset time node to determine a density characterization trend of the braided fabric; determining an operation characterization trend according to the density characterization trend to determine whether to adjust the initial knitting speed; according to the center flat state and the fabric edge state, the operation characterization trend is secondarily determined so as to determine whether to adjust the traction speed or not. Therefore, linkage among links of monitoring equipment, controlling the quality of braided fabric and optimizing the production process is realized.

The invention relates to a copper-iron bimetallic Fenton-like catalyst and a preparation method and application thereof.The preparation method comprises the steps that copper salt, iron salt and gamma-Al2O3 are mixed in deionized water and stirred through a mechanical stirring rod, and a mixed steeping liquor is obtained; carrying out spray drying on the mixed impregnation liquid on a spray dryer, and preliminarily removing moisture to obtain a precursor of the copper-iron bimetallic Fenton-like catalyst; and calcining the precursor of the copper-iron bimetallic Fenton-like catalyst in a tubular furnace to obtain the copper-iron bimetallic Fenton-like catalyst. The catalyst provided by the invention has the characteristics of easy recovery, high catalytic activity and the like, and solves the problems of low catalytic efficiency of an iron-based catalyst and difficult recovery of a copper-based catalyst in the prior art.

The invention relates to hydroxyl composite water fuel and a preparation method thereof, and relates to the technical field of fuel. The hydroxyl composite water fuel is prepared from the following raw materials: hydroxyl water, glycerol, Tween 80, diethylene glycol monobutyl ether, lignin and ethylene glycol. When the hydroxyl composite water fuel is prepared, the method comprises the following steps: (1) adding hydroxyl water into wood essence, uniformly stirring, standing and emulsifying to obtain a mixture A; (2) stirring and mixing glycerol, Tween 80 and diethylene glycol monobutyl ether, standing and emulsifying to obtain a mixture B; (3) adding the mixture A into the mixture B, stirring and mixing, and standing and emulsifying to obtain a mixture C; and (4) adding ethylene glycol into the mixture C, stirring, standing and emulsifying to obtain the hydroxyl composite water fuel. The hydroxyl composite water fuel prepared by the method is high in flash point, the calorific value can reach 5000 kal, the hydroxyl composite water fuel cannot be ignited by open fire in a liquid state, and safe use of the fuel can be guaranteed.

The utility model provides a material classification and recovery device, which relates to the technical field of cigarette preparation and comprises a material tank, an inspection part and a recovery part, and the inspection part comprises a metering tank, a weighing device and a liquid level meter; the recycling part comprises a first recycling pipe and a second recycling pipe, a recycling barrel is arranged at the lower end of the first recycling pipe, a rechecking barrel is arranged at the lower end of the second recycling pipe, a first valve is arranged at the conveying pipe, a second valve is arranged at the first recycling pipe, and a third valve is arranged at the second recycling pipe; the first valve, the second valve and the third valve are all electrically connected with the controller. The device is simple in structure, through cooperation of the three valves and weighing and liquid measuring at the metering tank, the material returning condition can be intelligently detected, automatic calculation and comparison of the material returning precision and the material liquid density are achieved, manual rechecking is informed when data are abnormal, reasonable and stable material returning is guaranteed, manpower consumption is reduced, and stable tobacco production is also guaranteed.

The invention belongs to the technical field of semiconductor processing, and particularly relates to a semiconductor trimming integration optimization system and method.According to the semiconductor trimming integration optimization system and method, sensitive points are avoided by dynamically adjusting cutting parameters and planning an avoiding route, and the influence on adjacent structures in the cutting process is minimized; a cutting environment is kept stable by applying a multi-stage cooling strategy, and material damage caused by overheating is prevented; in the cooling process, temperature changes are monitored in real time, the cutting speed is corrected in a self-adaptive mode, and the flexibility and accuracy of the cutting process are ensured; and finally, the product consistency is verified through strict quality control inspection. Through the combined action of the measures, the cutting quality and the yield are remarkably improved, defects are reduced, and the more stable production process and the higher semiconductor chip quality are achieved.

The invention discloses a grate-rotary kiln pellet process biomass-hydrogen-based fuel gas composite heat supply method, which comprises the following operation steps A, B and C in a grate-rotary kiln pellet production process: A: mixing biomass charcoal and a pellet material for pelletizing; b, the biomass solid fuel and the hydrogen-based fuel gas are injected into the rotary kiln at the same time; and C, fuel gas and / or air are / is injected to the joint of the chain grate machine and the rotary kiln head so as to regulate and control the oxygen content and temperature of the flue gas of the second preheating section. According to the method, under the condition that normal production of the pellets is not affected, due to the fact that a renewable, clean and low-carbon fuel structure is fully adopted, the number of CO2 and gas pollutants generated by combustion of fossil fuel is remarkably reduced.