254results about How to "Solve for uniformity" patented technology

The invention relates to the technical field of automatic loading and logistics control, in particular to an automatic powder loading device based on visual identification, which comprises a visual identification module, a flexible grabbing module, a transfer module and a stacking module, the form, internal distribution and material characteristic data of the powder bag are obtained through a multi-mode sensor, a grabbing path is generated, and grabbing operation is completed through a flexible manipulator; the transfer module dynamically adjusts the transportation state of the powder bag in combination with path optimization and posture monitoring; the stacking module monitors stress of a stacking layer in real time on the basis of the stacking thermal distribution diagram, adjustment suggestion data are generated, stacking position and angle optimization is completed through a self-correction unit, and the stability of a stacking structure is ensured; the powder loading efficiency, the stacking precision and the long-term stability are remarkably improved, and the method is suitable for efficient logistics management of complex loading scenes.

According to the impedance matching type flexible SDBD electrode applied to skin surface treatment, high-voltage electrodes and ground electrodes are arranged on an SDBD electrode layer in a staggered mode, air gaps are reserved between the high-voltage electrodes and the ground electrodes, the high-voltage electrodes are connected with a positive pulse high-voltage potential interface of a power source, the ground electrodes are connected with a ground potential interface of the power source, and the high-voltage electrodes are connected with the ground potential interface of the power source. The surface of the high-voltage electrode and the surface of the ground electrode are firstly connected with polyimide in a pressing mode, then the polyimide is connected with a thin film material capable of making contact with a human body in a pressing mode, the regulation and control electrode arranged on the bottom layer of the SDBD electrode layer is a whole layer of copper sheet, and the whole plasma discharge area is wrapped by the area of the whole copper sheet. And the regulation electrode and the ground electrode are connected to the matched impedance network. The problems of non-uniform discharge and normal operation breakdown of the flexible electrode are solved, particularly in the actual application process and under the working condition that the flexible electrode is bent randomly, uniform discharge can be guaranteed, meanwhile, stable normal operation can be achieved, the surface temperature of the electrode is low, and electrical safety and reliability are achieved.

The invention provides a laminated member for a photovoltaic module and a laminating method. The laminated member comprises a base; the limiting column is arranged on the base, and a clamping groove part is arranged on a column body of the limiting column; and the limiting buckle is provided with a connecting part and a pressing part, the connecting part is matched with the clamping groove part to be used for positioning the limiting buckle, and the pressing part extrudes the upper surface of the photovoltaic module in the process of laminating the photovoltaic module. According to the technical scheme, when the photovoltaic module is laminated in a simple mode, the problem of over-voltage lamination can be effectively avoided, the problem of bubbles generated during lamination is solved, and the working efficiency is improved.

The invention discloses a continuous automatic micro-nano metal powder production device and method. The continuous automatic micro-nano metal powder production device comprises an ultrasonic atomization system, a high-temperature pyrolysis system, a product collection system and a tail gas treatment system which are sequentially connected. The product collection system comprises a physical separation device and an electrostatic-magnetic field synergistic adsorption device; the electrostatic-magnetic field synergistic adsorption device comprises an electrostatic collection device and a magnetic field adsorption device arranged on the outer side of the electrostatic collection device. The electrostatic collection device comprises a positive electrode electric field arrangement mechanism and a negative electrode electric field arrangement mechanism, and the positive electrode electric field arrangement mechanism is arranged in a cylindrical inner cavity of the negative electrode electric field arrangement mechanism; the positive electric field arrangement mechanism comprises a trunk and a plurality of positive electrode plates distributed in the axial direction of the trunk. Metal powder is collected in a physical separation, high-voltage static electricity and magnetic field cooperation mode, the problems that nanoscale and micron-sized fine powder is prone to leakage and difficult to collect are effectively solved, the powder collection rate is increased, and effective recycling of products is ensured.

The invention discloses a Neper-DEM-based apparent crystal rock modeling and calculation method with a bedding structure, relates to the field of numerical calculation of a tunnel engineering technology, and solves the problem that a simulation and calculation method for apparent crystal rocks with transverse isotropy such as gneiss and granite gneiss is lacked in the prior art. The method comprises the following steps: constructing a polycrystal structure with crystal characteristics in Neper, and generating a geometric parameter text of crystal grains from the polycrystal structure; constructing a discrete element rock sample model in the DEM; performing a numerical simulation test on the discrete element rock sample model to obtain a stress-strain curve and a sample failure mode, wherein the numerical simulation is realized by adopting a Brazilian splitting test and a triaxial test; according to a numerical simulation result, discrete element sample calculation parameters are calibrated, and the effectiveness of the modeling and calculation method of the discrete element rock sample model is verified; according to the modeling method, construction and assignment of the crystal structure and the bedding structure are achieved at the same time, so that the rock structure is closer to a real rock structure.

The invention relates to the technical field of data analysis and evaluation, in particular to a color fastness evaluation method and system, and the method comprises the following steps: setting test conditions to simulate external factors encountered in the actual use or processing process of textiles; under the simulated test condition, treating the textile sample for a preset time; acquiring a multispectral image of the textile by adopting a multispectral imaging technology, and capturing color change of the textile; developing a self-adaptive image enhancement algorithm, and performing preprocessing; comparing spectral information of the multi-spectral image of the textile before and after processing based on chromatic aberration evaluation analysis so as to quantify the color fastness; analyzing the multispectral image after image enhancement by using a deep learning technology, extracting color attenuation features, and comprehensively evaluating a color fastness score; according to the color fastness evaluation method, basic color difference information is considered, advanced features such as textures, edges and local color modes of the textile are further included, and the accuracy and reliability of color fastness evaluation are remarkably improved.

The invention relates to the technical field of building materials, and discloses fire-resistant decoration waste exterior wall external thermal insulation mortar and a preparation method thereof. The fire-resistant decoration waste exterior wall external thermal insulation mortar comprises the following raw material components in parts by weight: 60-410 parts of cement; 120 to 550 parts of decoration waste recycled aggregate; 36 to 75 parts of SiO2 aerogel; 8 to 17 parts of a silane coupling agent; 1.3 to 2.1 parts of dispersible latex powder; 0.5 to 1.0 part of methyl cellulose; 7-15 parts of a water reducing agent; 0.2 to 0.4 part of an air entraining agent; and 120 to 180 parts of water. According to the invention, the low-cost and high-strength decoration waste recycled aggregate is used for partially replacing expensive and low-strength aerogel, so that the thermal insulation performance of the mortar is ensured, and the material cost is greatly reduced; the decoration garbage exterior wall external thermal insulation mortar can resist high-intensity fire disasters with the highest temperature of 1000 DEG C and the fire receiving time of 2.5 h, and can be applied to exterior wall external thermal insulation systems of high-rise and super high-rise buildings with high fire extinguishing difficulty.

The invention provides a large polyester bio-fiber containing rose active ingredients and a preparation method of the large polyester bio-fiber. The large polyester bio-fiber comprises the following raw materials in parts by weight: 10-12 parts of polyester chips and 2-3 parts of rose extract microcapsules, the preparation method of the rose extract microcapsule comprises the following steps: adding tannic acid into a sodium alginate aqueous solution, stirring and mixing to obtain a solution A, adding nano-hydroxyapatite, a calcium chloride / glutaraldehyde composite cross-linking agent, a rose extract and lauryl sodium sulfate into a chitosan acetic acid aqueous solution, stirring and mixing to obtain a solution B, and uniformly stirring to obtain the rose extract microcapsule. And mixing and stirring the solution A and the solution B to obtain the rose extract microcapsule. According to the polyester large biological fiber containing the rose active component and the preparation method of the polyester large biological fiber, the rose active component is effectively and uniformly introduced into the polyester fiber, meanwhile, the original physical performance of the fiber is kept, the stability of the active component is further kept, the slow release time is prolonged, and the polyester large biological fiber is endowed with more health functions.

An internal combustion engine supplying gaseous fuel, in particular hydrogen, comprises, for each cylinder (1), a first intake duct (3A) and a second intake duct (3B) controlled by a first intake valve (VA) and a second intake valve (VB), respectively. In each operating cycle of the cylinder, first only the opening and closing movement of the first intake valve (VA) is activated while the second intake valve (VB) remains closed, and successively only the opening and closing movement of the second intake valve (VB) is activated while the first intake valve (VA) remains closed. According to the present invention, due to the cooling obtained during the opening of the first intake valve, gaseous fuel is directly supplied into the cylinder only from the moment after the first intake valve (VA) is closed and before the second intake valve (VB) is opened, thereby enabling regular combustion without a pre-ignition phenomenon or a tempering phenomenon.

The invention relates to the technical field of polyimide films, in particular to a polyimide film and a preparation method thereof.The polyimide film is prepared from a film casting solution composed of the following components through casting, two-way stretching, imidization and rolling technologies and comprises, by weight, 10%-12% of polyesteramide, 10%-20% of a solvent, 1%-5% of an antioxidant, 1%-5% of a lubricant and 1%-5% of a lubricant. The weight percentage of the polyamide acid in the membrane casting solution is 83%-88%; the weight percentage of the solvent in the membrane casting solution is 83%-88%; the weight percentage of the tertiary amine catalyst in the membrane casting solution is 2%-5%; the high interaction force between the molecules of the polyesteramide and the molecules of the solvent is utilized, so that the membrane casting solution is convenient to convey and defoam; the thermal cyclization reaction of the polyesteramide and the polyamic acid is more uniform by utilizing the alkaline strength of the tertiary amine catalyst; the polyimide film has the characteristics of high imidization degree, uniform structure, excellent mechanical property and the like.

The invention provides an amnion-loaded contact lens and a preparation method and application thereof. According to the invention, the bonding mode of the amniotic membrane and the contact lens is innovated, the previous mode of simply bonding the amniotic membrane and the contact lens by using medical biological glue is changed, the bonding procedure of the amniotic membrane and the contact lens is simplified, and the method is suitable for industrial application; the problems that the mechanical supporting force is reduced, the amniotic membrane is broken and the coverage is uneven due to the fact that the ocular surface coverage time of a traditional suture type amniotic membrane is prolonged are solved; in the aspect of material optimization and selection, the basic requirement of non-toxicity and harmlessness of the adhesive is met, and meanwhile, the requirements of biocompatibility and the oxygen permeability of the cornea on the contact lens are also considered; the amniotic membrane is more comfortable in the using process, complex operation procedures are not needed, and stimulation caused by no suture is avoided; the design scheme that the contact lens is used as the amniotic membrane support enables the amniotic membrane lens to provide better support and protection for the covered ocular surface.

The utility model discloses a bending device for bracket processing, which relates to the technical field of machining, and comprises a workbench and a bending mechanism, a bracket needing to be bent is clamped and fixed through a fixing frame, in the bracket bending process, a rotating shaft is driven by a motor to further drive the bracket to move and feed, and the bracket is bent by adjusting the length of a telescopic pipe. In the feeding process, impurities on the surface of the support are scraped off through a friction scraping plate, a support cleaning agent stored in a liquid storage box enters the limiting blocks through telescopic pipes and is sprayed to the surface of the support through through holes, stubborn impurities on the surface of the support are further removed, and the cleaning effect of the support is improved. The problem that the support is bent unevenly or deformed due to impurities is solved, the support is heated through the electromagnetic heating plate, the hardness and strength of materials are reduced, meanwhile, a cleaning agent is dried, and it is prevented that the cleaning agent stays on the surface of the support, secondary pollution is caused to the support, and the quality of the support is affected.

The present invention relates to the technical field of cutting fluids. The present invention discloses a device for preparing aluminum alloy cutting fluids and cutting fluids prepared by the device. The preparation device comprises a preparation tank, a multi-stage stirring component, a speed change mechanism, a linkage adjustment mechanism, and a homogenization channel. The multi-stage stirring component comprises a power source, a power shaft, a bottom stirring paddle, a middle stirring paddle, and an upper stirring paddle; and the homogenization channel is distributed inside the bottom stirring paddle. The cutting fluid comprises at least the following components in parts by weight: 19-26wt% of vegetable oil, 3-6wt% of lubricant, 2-5wt% of rust inhibitor, 1-2wt% of coupling agent, 7-11wt% of emulsifier, 11-15wt% of PH buffer, 0.5-1wt% of defoamer, 1-1.5wt% of corrosion inhibitor, 1-2wt% of antibacterial agent, and the balance is deionized water. The present application solves the problem of uneven mixing and dispersion in the existing aluminum alloy cutting fluid preparation process, and solves the problem of insufficient stability of the emulsifier in the aluminum alloy cutting fluid preparation process, easy stratification and demulsification, and affecting the cooling and lubrication effect.

The invention relates to a waste vinasse drying treatment method. The method comprises the following steps: carrying out mechanical pressure filtration on original waste vinasse provided in batches in a solid-liquid separation manner; dehydrating the waste distiller's grains in a manner of removing moisture in the waste distiller's grains and gas influencing the caking rate; and screening the high-fiber waste vinasse and the heated and dehydrated waste vinasse separated from the organic matter-enriched waste vinasse based on a protein content differential separation mode to obtain oversize products for pyrolysis and undersize products for feed. According to the method, more moisture is reserved in the waste distiller's grains with high caking rate in mechanical filter pressing, the water in the waste distiller's grains can enable the waste distiller's grains to be agglomerated more easily, meanwhile, the high heat capacity characteristic of water can provide more uniform heat conduction for the waste distiller's grains, and the situation that the internal and external dehydration uniformity is not uniform due to local overheating of the waste distiller's grains is avoided.

The invention relates to the technical field of magnetron sputtering coating, in particular to equipment for a method for improving the magnetron sputtering thickness and uniformity of a target material. Comprising a vacuum cavity and a connection protection cavity, and the connection protection cavity is fixedly connected to the upper portion of the vacuum cavity; a rotating disc is rotationally connected into the vacuum cavity, and a first rotating mechanism matched with the rotating disc is arranged in the vacuum cavity. A plurality of fixed control blocks are fixedly connected to the rotating disc, base plates are arranged on the fixed control blocks, and angle adjusting mechanisms matched with the corresponding base plates are arranged on the fixed control blocks; a target material fixing disc is arranged in the vacuum cavity, and the target material fixing disc is located above one of the substrates and concentrically corresponds to the substrate; and a first lifting mechanism matched with the target material fixing disc is arranged in the connecting protection cavity.

The invention relates to the field of functional food and pharmaceutical preparations, and discloses an active multienzyme preparation with spleen and stomach strengthening effects. The solid beverage is prepared from the following components in parts by weight: 10 to 20 parts of radix astragali seu hedysari extract, 5 to 10 parts of rhizoma atractylodis macrocephalae extract, 10 to 20 parts of poria cocos extract, 5 to 10 parts of pericarpium citri reticulatae extract, 5 to 10 parts of fructus crataegi extract, 5 to 10 parts of malt extract, 5 to 10 parts of alpha-amylase, 5 to 10 parts of protease, 2 to 5 parts of cellulase, 2 to 5 parts of pectinase, 2 to 5 parts of lipase, 10 to 15 parts of prebiotics, 2 to 5 parts of xylitol and 3 to 8 parts of microcapsule wrapping materials. The compound preparation with high stability and multiple functions is prepared by scientifically combining traditional Chinese medicine extracts and multiple active enzymes, combining with reasonable addition of prebiotics and auxiliary materials, adopting a micro-capsule wrapping technology to protect enzyme activity and optimizing traditional Chinese medicine extraction, component mixing and forming processes.

The utility model is applicable to the technical field of vegetable seedling raising, and provides an automatic substrate filling device for a planting plate for vegetable seedling raising, which comprises a base, and a rack is fixedly mounted at the top of the base; the stock bin is used for containing a matrix for vegetable seedling raising, and the bottom of the stock bin is fixedly communicated with a filling pipe; the collecting hopper is arranged on the base, and a placing seat is arranged in the collecting hopper; the placement seat is provided with a planting disc used for receiving and containing a matrix; and the adjustable trowelling plate is used for trowelling the matrix in the planting plate and is arranged in the collecting hopper. According to the automatic substrate filling device of the planting plate for vegetable seedling culture, provided by the scheme, the efficient and uniform filling of the substrate is realized by integrating the automatic discharging mechanism and the stirring and blending mechanism; and the problems of low efficiency and non-uniform filling in a traditional manual filling mode are also solved.

The invention belongs to the field of magnetic materials, and particularly discloses a magnetic core and a preparation method and application thereof. According to the method disclosed by the invention, the amorphous magnetic core is induced to realize nanocrystallization and grain homogenization through two times of heat treatment at certain pressure and temperature and then magnetic field heat treatment at specific temperature, so that the problems of nonuniform nucleation and excessive growth of nanocrystals in conventional heat treatment are effectively solved; the magnetic conductivity of the magnetic core under different frequencies is comprehensively improved, the purpose of improving the magnetic conductivity of the full-band magnetic core to the maximum extent is achieved, especially under the low frequency of 1 kHz, the effective magnetic conductivity of the magnetic core is larger than 250,000, and the defect that the magnetic conductivity of the low-band magnetic core is low is effectively overcome.

The invention discloses high-performance uniform subsea pipeline steel and a manufacturing method thereof. The high-performance uniform subsea pipeline steel comprises the following chemical components in percentage by weight: 0.02 to 0.06 percent of C, 0.10 to 0.30 percent of Si, 1.20 to 1.65 percent of Mn, less than or equal to 0.30 percent of Cu, less than or equal to 0.30 percent of Ni, 0.15 to 0.30 percent of Cr, less than or equal to 0.15 percent of Mo, 0.03 to 0.05 percent of Nb, less than or equal to 0.05 percent of V, 0.008 to 0.020 percent of Ti, 0.0012 to 0.0030 percent of Ca, 0.015 to 0.045 percent of Al and the balance of Fe and inevitable impurities. In addition, impurity elements such as P < = 0.01%, S < = 0.001%, B < = 0.0004%, N < = 0.005%, O < = 0.0025% and H < = 0.0002% need to be controlled. According to the manufacturing method of the subsea pipeline steel, an austenite recrystallization zone and non-recrystallization zone two-stage controlled rolling technology, broadening ratio control and controlled cooling are adopted, and the obtained subsea pipeline steel has good performance uniformity on the basis of having high performance.

The animal fat oil refining device comprises a water tank and a drainage pipe, the drainage pipe is arranged at the bottom end of the rear side of the water tank, and an inner cavity of the drainage pipe is communicated with an inner cavity of the water tank; the spherical valve is arranged on the outer wall of the drainage pipe; the supporting seat is arranged at the top end of the water tank. A vertically-through water tank is formed in the front side of the bottom end of an inner cavity of the supporting seat. The number of the second supporting cylinders is four, and the four second supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The number of the first supporting cylinders is four, and the four first supporting cylinders are arranged at the four corners of the bottom end of the inner cavity of the supporting base correspondingly. The device effectively solves the problems that raw materials are not uniform in particle size and easy to adhere after being cut, so that high efficiency and stability of subsequent oil refining steps are ensured, the overall oil yield and the product quality are improved, and the production cost and the equipment maintenance difficulty are remarkably reduced.

The invention belongs to the technical field of welding, and particularly relates to a laser arc hybrid welding method based on light beam scanning pattern optimization design. A laser-arc hybrid welding method based on light beam scanning pattern optimization design comprises the following steps that S1, the welding faces of two dissimilar material metal plates are pretreated, the two dissimilar material metal plates are placed on a welding operation table, the plane position of a welding focus is set, and parameters of a welding gun and a workpiece to be welded are set; s2, setting scanning laser-electric arc welding process parameters; and welding of the two metal plates made of the dissimilar materials is completed according to the set technological parameters. By means of the composite welding method, a melt-brazed joint with good weld forming and mechanical properties can be obtained, energy distribution in the whole welding track can be more uniform, and welding defects are reduced.

The invention provides a high-strength particle reinforced aluminum-lithium-based alloy as well as a preparation process and application thereof. The alloy comprises the following components in percentage by mass: 3.3 to 4.5 percent of Cu, 0.2 to 0.7 percent of Mg, 0.8 to 1.6 percent of Li, 0.2 to 0.8 percent of Ag, 0.2 to 0.6 percent of Mn, 0.01 to 0.2 percent of Zr, 0.2 to 0.6 percent of Zn, 0.1 to 0.8 percent of TiB2 and the balance of Al and inevitable impurity elements. The mass content of Ti is smaller than or equal to 0.15%, the mass content of Si is smaller than or equal to 0.1%, and the mass content of Fe is smaller than or equal The preparation of the aluminum-lithium alloy is realized through a method of combining a mechanical stirring and ultrasonic stirring composite refining process, extrusion / rolling and heat treatment, and the problem of performance reduction caused by TiB2 particle aggregation of the particle-reinforced aluminum-lithium-based alloy is effectively solved, so that the strength of the particle-reinforced aluminum-lithium-based alloy is improved, and the application range of the particle-reinforced aluminum-lithium-based alloy is expanded.

The invention relates to the technical field of biomass granulation, and discloses a granulation device for biomass fuel production and a granulation method.The granulation device comprises a granulation assembly, the granulation assembly comprises a shell, a feeding port is formed in the top of the shell, and a motor is fixedly connected to the bottom of the inner wall of the shell. The rotating shaft can drive the driving rod and the cutting knife to rotate together in the rotating process, the driving rod can drive the material pressing roller to rotate, in the rotating process of the material pressing roller, due to the friction force between the material pressing roller and the fixed disc, the material pressing roller can rotate with the driving rod as the axis, and then biomass raw materials falling on the top of the fixed disc can be ground; rolled raw materials can enter the through holes formed in the fixed disc, the raw materials entering the through holes can be pressed into long strips and exposed out of the bottom of the fixed disc along with continuous rolling of the pressing roller, and when the exposed length of the long-strip-shaped raw materials is large enough, the long-strip-shaped raw materials can be cut and knocked down by the rotating cutting knife.

The invention discloses an aluminum-magnesium co-doped cobalt carbonate precursor as well as a preparation method and application thereof. The preparation method comprises the following steps: respectively preparing a cobalt-aluminum mixed solution and a magnesium-containing precipitant solution; and adding the cobalt-aluminum mixed salt solution and the magnesium-containing precipitant solution into a base solution, and carrying out a co-precipitation reaction to obtain the aluminum-magnesium co-doped cobalt carbonate precursor. According to the method disclosed by the invention, the magnesium element is introduced into the precipitant solution in advance, so that magnesium ions can be complexed with the precipitant in advance, and the problems of nonuniform doping and segregation caused by difficult control of the precipitation rate of magnesium in the doping process are solved. According to the aluminum-magnesium co-doped cobalt carbonate precursor prepared by the method, magnesium and aluminum are uniformly doped, and the cycling stability of a lithium cobalt oxide battery can be effectively improved.

The invention belongs to the field of magnetic materials, and particularly discloses a high-permeability magnetic core and a preparation method and application thereof. According to the method, heat treatment is conducted twice at certain pressure and temperature, then magnetic field heat treatment is conducted, the amorphous magnetic core is induced to achieve nanocrystallization and grain homogenization, the problems of nonuniform nucleation and excessive growth of nanocrystals in conventional heat treatment are effectively solved, the magnetic conductivity of the magnetic core at different frequencies is comprehensively improved, and the magnetic conductivity of the amorphous magnetic core is improved. The purpose of improving the magnetic conductivity of the full-band magnetic core to the maximum extent is achieved.

The utility model discloses a kind of automatic post-treatment equipment of bolt hot galvanizing, belong to metal surface treatment technical field, it includes the mechanical arm for grabbing work, centrifuge and truss manipulator for throwing away excess zinc liquid, the mechanical arm and centrifuge are all located truss manipulator side, the mechanical arm is located centrifuge rear, cooling pool, passivation pool and blanking conveyor are respectively installed below the truss manipulator, and the passivation pool is located cooling pool and blanking conveyor adjacent side, wherein, it further includes zinc plating basket for containing workpiece, the zinc plating basket outer diameter is less than centrifuge inner diameter, in the utility model, adopt mechanical arm, truss manipulator and blanking conveyor and other automation equipment, the seamless docking of bolt hot galvanizing post-treatment process equipment is realized, to effectively improve the automation degree of device whole, to greatly reduce manual operation, greatly avoid the situation of low production efficiency and low capacity caused by manual operation.

The present invention provides a heat exchange tube, a heat exchanger and an air conditioner. The heat exchange tube includes: a tube base; an outer rib structure is provided on the outer wall of the tube base, and a flow channel structure is provided on the outer rib structure. The flow channel structure is in a snowflake shape, and the flow channel structure is used to provide a vaporization core required for the evaporation of liquid refrigerant. The present invention provides a heat exchange tube, which solves the problem of uniform distribution of liquid refrigerant in the axial and circumferential directions of a falling film evaporator, improves the area utilization rate of the heat exchange tube, and further improves the heat exchange performance of the falling film evaporator. The snowflake-shaped inter-wing flow channels on the outer surface of the present invention form a series of uniform hole clusters and flow channels through cross gaps, providing a large amount of vaporization cores required for the evaporation of liquid saturated refrigerant, which makes the vaporization core density of the heat exchange tube in the embodiment of the present invention large, and significantly enhances the heat exchange efficiency.

The invention discloses a cyaniding silver plating processing device and method for aero-engine parts, and belongs to the technical field of aero-engine part processing. The cyaniding silver plating processing method for the aero-engine parts mainly comprises the following process steps of acceptance check, water solution oil removal, liquid sand blowing, electrolytic oil removal, cyaniding copper pre-plating, cyaniding silver pre-plating, cyaniding silver plating, neutralization, hydrogen removal and inspection. According to the structural size of the wandering star gear roller bearing retainer, the technical characteristics of the cyaniding silver plating process are combined, the cyaniding silver plating process is optimized, a pulse power supply is adopted to replace a direct-current power supply for cyaniding silver plating processing, and distribution deposition of a silver plating layer is optimized by setting a proper duty ratio, electroplating time and current density; the problem of non-uniform thickness of a silver coating on the part surface is solved; meanwhile, a part pocket silver coating binding force detection tool is designed, and the problems that the thickness of a cyanide silver coating of the wandering star gear roller bearing retainer is not uniform and the binding force of a working face pocket is difficult to detect are solved.

The utility model discloses a cooling treatment mechanism for production of a food roasting machine, which comprises a fixing frame, a stir-frying bin is arranged on the fixing frame, a conveying device is arranged below the stir-frying bin, a control device is mounted at the bottom end of the stir-frying bin, the control device comprises a lead screw, a limiting plate, a supporting seat and a plugging block, and the plugging block is mounted on the lead screw. The limiting plate is connected to the bottom end of the stir-frying bin, one end of the stir-frying bin is connected with an adjusting device, and the adjusting device comprises a corrugated pipe, a connecting frame, a conveying pipe, a guide mechanism, a driven wheel, a rotating sleeve, a driving wheel, a first motor, a top block, a connecting plate, a flow choking block, a top sleeve, a limiting block, a limiting groove, a push spring and a spring, the corrugated pipe is connected to one side of the top sleeve, and the conveying pipe is connected to one end of the connecting pipe; the driven wheel is arranged on the outer side of the rotating sleeve, the driving wheel is connected with the first motor, the ejector block is connected with the flow choking block through the push spring, the ejector sleeve is installed on the outer side of the rotating sleeve, the limiting block is slidably installed on the inner side of the limiting groove, and the flow choking block is connected with the connecting plate through the spring.