40results about How to "Improve quality uniformity" patented technology

The invention relates to the technical field of activated carbon processing, and discloses catalyst activated carbon activation processing equipment and a using method thereof.The catalyst activated carbon activation processing equipment comprises a main body, a plurality of heating rods are fixedly connected to the interior of the main body, an inner cylinder is fixedly connected to the interior of the main body, a catalyst storage box is fixedly connected to the top of the inner cylinder, and a feeding port is formed in the top of the inner cylinder; and a discharging pipe is arranged at the bottom of the inner cylinder. The hollow gear shaft drives mixed materials to turn over and stir during rotation, and the situation of local accumulation among the materials is broken through in combination with vertical shaking of the two ends of the arc-shaped elastic plate, so that the materials are more fully mixed in the inner cylinder, and the material mixing uniformity is greatly improved; and the mixed material and the activation medium are in better contact, so that the mixing uniformity is improved.

The utility model discloses a photovoltaic solder strip correction device, which comprises a correction seat, a correction pressing plate and an adjusting bolt, the correction seat comprises a correction seat body, one end of the correction seat body is provided with a guide wheel support, the guide wheel support is provided with a photovoltaic solder strip guide wheel, and the other end of the correction seat body is provided with a correction seat mounting plate. A plurality of welding strip carrier rollers are installed on the correcting base body in parallel, a plurality of welding strip pressing rollers are installed on the correcting pressing plate in parallel, the welding strip carrier rollers and the welding strip pressing rollers are arranged in a staggered mode, a plurality of adjusting bolt inserting holes are symmetrically formed in the two sides of the correcting pressing plate, the adjusting bolt inserting holes are through unthreaded holes, and the adjusting bolt inserting holes are connected with the correcting pressing plate. A corresponding adjusting bottom hole is formed in the portion, under each adjusting bolt inserting hole, of the correcting base body, the adjusting bottom holes are inner threaded holes, and the ends of the adjusting bolts penetrate through the adjusting bolt inserting holes and then are connected with the adjusting bottom holes. By means of the mode, bending of the welding strip can be effectively corrected, and the uniformity of product quality is improved.

The utility model relates to the technical field of master batch machines, and discloses a double-color master batch machine which comprises an installation shell, a control display panel is fixedly installed on the front face of the installation shell, two sets of fixed partition plates are fixedly installed on the inner wall of the installation shell, and annular holes are formed in the tops of the fixed partition plates. And two groups of supporting frames are fixedly mounted at the top of the mounting shell. A motor I is arranged to drive a pinion to rotate, so that a first bull gear and a second bull gear which are meshed with the pinion are driven to synchronously rotate, independent and synchronous rotation of two heating and stirring barrels is realized, and heating resistance wires are uniformly distributed on the outer walls of the heating and stirring barrels in a matched manner, so that rapid and uniform heating of raw materials is ensured; and the motor II forcefully stirs the raw materials through the stirring rod and the anchor type stirring rod, so that the raw materials are fully mixed, and the effects of improving the stirring efficiency and the quality uniformity of the master batch are achieved.

The present invention belongs to the technical field of positive electrode active materials, and specifically relates to a nano single crystal lithium iron phosphate and its preparation method and application. The preparation method comprises the following steps: after ball milling a mixture containing a lithium source, an iron source and a phosphorus source in a supercritical fluid, roasting, removing impurities and drying to obtain lithium iron phosphate; after dispersing the lithium iron phosphate in propylene glycol and sintering, a nano single crystal lithium iron phosphate is obtained. The preparation method of the nano single crystal lithium iron phosphate of the present invention combines supercritical fluid technology with secondary sintering, so that the carbon coating on the surface of the lithium iron phosphate is uniform and the grain size of the lithium iron phosphate is refined, thereby improving the electron transmission rate and cycle stability of the lithium iron phosphate.

This invention provides a slurry brushing device. The device drives a brushing mechanism to move laterally above an operating table via a brushing moving component. A brushing preparation table and a substrate support are arranged on the upper surface of the operating table in the direction of the brushing mechanism's movement. A convex platform is provided on the brushing preparation table. During the brushing mechanism's movement, the bristles of the discharge cylinder roll against the surface of the convex platform and the substrate surface on the substrate support. This invention, through the convex platform, supplies slurry to bristles that are not fully covered. The bristles of the discharge cylinder are simultaneously penetrated by the slurry and rolled against the surface of the convex platform. The convex platform is large enough for the bristles of the discharge cylinder to roll around the entire surface, allowing the slurry at the discharge port to evenly penetrate the interior of the bristles under gravity. The process of the bristles being squeezed around the entire surface allows the slurry on the inner side of the bristles to better penetrate to the outer side, resulting in a more uniform and fine coating on the substrate surface.

The invention relates to a wet spinning preparation process of protein modified polyacrylonitrile fibers, and relates to the field of wet spinning preparation processes, the wet spinning preparation process comprises the following steps: S1, heating and softening a spinning stock solution, dropwise adding a protein solution, and fully dissolving to obtain a clear and transparent protein modified spinning solution; s2, the protein modified spinning solution is sequentially subjected to filtering, defoaming, spinning, coagulating bath and drafting, and then the protein modified polyacrylonitrile fiber is obtained; the spinning stock solution is an acrylonitrile-methyl acrylate-itaconic acid ternary copolymerized stock solution. The acrylonitrile-methyl acrylate-itaconic acid ternary copolymerized stock solution is adopted as a spinning matrix, the compatibility with natural protein is improved by introducing a polar group, and the protein is uniformly dispersed at a molecular level in cooperation with a mode of dropwise adding the protein solution after heating and softening, so that the protein agglomeration phenomenon is remarkably reduced, and the uniformity of the internal structure of the fiber is improved.

The invention discloses polyether ester, a preparation method thereof, cutting fluid containing the polyether ester and application. The polyether ester comprises a structural formula as shown in a formula I, R is C3-C12 alkyl, a is an integer selected from 1-50, b is an integer selected from 1-50, c is an integer selected from 0-50, and d is an integer selected from 0-50. The molecular weight distribution index of the polyether ester is 1.02 to 1.30. The polyether ester provided by the invention has good silicon powder dispersibility and wettability, and when the cutting fluid prepared from the polyether ester is applied to silicon wafer cutting, the obtained silicon wafer has good quality uniformity, and the number of qualified products obtained after cutting is large. # imgabs0 # I

The invention discloses a water-soluble percutaneous tissue hyperplasia agent as well as a preparation method and application thereof, and belongs to the technical field of plant tissue hyperplasia. The proliferation agent is prepared by the following steps: dissolving sodium indoleacetate in a substrate solution to prepare a 400-600mg / L solution; the substrate liquid is prepared from the following raw materials in parts by weight: 7-11 parts of water, 1-5 parts of water-soluble wool fat and 1-3 parts of glycerol. The preparation method comprises the following steps: taking water, water-soluble wool fat, glycerol and sodium indoleacetate according to a formula proportion; the preparation method comprises the following steps: heating water to 45-60 DEG C, adding water-soluble wool fat, stirring and dissolving, adding glycerol, uniformly mixing, cooling to serve as a substrate solution, adding sodium indoleacetate, and uniformly stirring; the method for promoting the growth of the softwood by using the proliferative agent comprises the following steps: picking and stripping the softwood in the period of abundant water content of bark, coating the stripped wound surface with the prepared proliferative agent with the dosage of 0.05-0.25 ml / cm < 2 >, and then wrapping the wound surface with a degradable film. The proliferation agent can promote regeneration and differentiation of a cork cambium, delay dormancy, increase the cork growth amount, reduce sand inclusion formation and improve the cork quality uniformity.

The invention discloses a paddy field culture water body control method and system, and the method comprises the following steps: obtaining oxygen content distribution condition data and water body pH value distribution condition data in a paddy field, the oxygen content distribution condition data being the oxygen content condition of each region in the paddy field, and the pH value distribution condition data being the pH value condition of the water body of each region in the paddy field; according to the oxygen content distribution condition data and the pH value distribution condition data, aquatic product distribution condition data in the paddy field are analyzed and recognized, and the aquatic product distribution condition data comprise first area position data with low aquatic product density, second area position data with high aquatic product density and third area position data with medium aquatic product density; and based on the aquatic product distribution condition data, feeding bait to a first area position in the paddy field, and increasing oxygen supply to a second area position in the paddy field. According to the technical scheme, the quality uniformity of aquatic products bred in the rice field can be effectively improved, the damage rate of the aquatic products is reduced, and the production efficiency and quality are improved.

The invention relates to a low glycemic index composition which comprises the following components in percentage by weight: 10-35% of a protein composition, 20-55% of a fat composition, 5-35% of a saccharide composition, 1-15% of a dietary fiber composition, 1-2% of a trace element composition, 0.1-1.5% of a vitamin composition and 5-20% of a macroelement composition, according to the composition with the low glycemic index, all the components are scientifically compounded, the digestion and absorption speed of carbohydrates is effectively controlled, the blood glucose level of diabetic patients or patients with impaired glucose tolerance is effectively controlled, comprehensive and balanced nutrition is provided for the diabetic patients or the patients with impaired glucose tolerance, and the composition is beneficial for repairing and improving the immunity of the diabetic patients or the patients with impaired glucose tolerance; and the feed also has the advantages of excellent quality uniformity, stability and fluidity, light taste, suitability for tube feeding and the like.

The utility model is suitable for the technical field of spheroidizing agent smelting, and provides spheroidizing agent smelting equipment which comprises a shell, a barrel assembly is arranged at the top of the shell, a liquid injection assembly is arranged at the top of the barrel assembly, and a stirring assembly is installed at the bottom of the barrel assembly. The liquid injection assembly comprises an iron liquid injection port for injecting iron liquid and a nodulizing agent injection port for injecting a nodulizing agent; the cylinder assembly comprises a cylinder, a spheroidizing agent diffusion module is arranged at the top of the cylinder and comprises an annular pipeline, a square hole is formed in the annular pipeline, the spheroidizing agent injection port is formed in the square hole, a plurality of sets of longitudinal pipelines are arranged at the bottom of the annular pipeline in a surrounding mode, the longitudinal pipelines are attached to the cylinder, and the longitudinal pipelines are connected with the cylinder. And a plurality of groups of discharge holes are formed in each group of longitudinal pipelines. The device solves the problem of non-uniform smelting reaction of the spheroidizing agent, and achieves the effects of uniform distribution and uniform reaction of the spheroidizing agent through the spheroidizing agent diffusion module and the stirring assembly.

The utility model discloses a wafer feeding and conveying system, which relates to the technical field of normal-pressure chemical deposition and comprises an equipment body. A wafer carrying platform, a robot, a wafer cooling rotating platform, a wafer lifting system, a main supporting plate, a first linear guide rail, a first driving motor, a wafer heating assembly, a wafer heating assembly support and a vacuum generation system are arranged in the equipment body. According to the system provided by the utility model, the non-metal material layer made of high-purity quartz, Si or SiC is arranged, so that the wafer is prevented from being polluted; after the wafer is moved out through the wafer lifting system and the first linear guide rail, the wafer is independently deposited under the wafer heating assembly; and the deposition surface of each wafer completes film deposition at one time, so that the limitation of gas diffusion and transmission is eliminated, and the thickness and quality uniformity of the deposited film are better. High-purity quartz, a robot and other transportation measures are adopted in a closed system, pollution of personnel to wafers is isolated, and the wafer coating efficiency and the equipment integration degree are improved.

The application discloses a method for improving the thickness and quality uniformity of crystal growth, a repairing method and a crystal. The method comprises the following steps: providing a growth system required for growing a group III nitride crystal by a flux method liquid phase epitaxy, forming a temperature gradient between a top layer part and a bottom layer part of a molten growth material, so as to form a closed circulation flow field of the molten growth material and a nitrogen source in the molten growth material; and in an initial stage of the growth of the group III nitride crystal, adjusting the temperature gradient to a positive temperature gradient, and then alternately switching the temperature gradient between the positive temperature gradient and a negative temperature gradient, so as to change the nitrogen source concentration distribution and the growth rate of different regions of a growth interface of the group III nitride crystal, until the growth interface of the group III nitride crystal presents as a flat surface. The method provided by the application is simple in operation and wide in application range, and can reduce the production cost and improve the yield of the crystal.

The utility model relates to galvanization composite material technical field, and disclose a kind of galvanization composite material spiral pultrusion forming device, including base, the base top left and right symmetrical fixedly connected with support seat, two the support seat top is provided with spiral pultrusion mechanism, the spiral pultrusion mechanism includes fixed base, the fixed base is fixedly connected in two support seat top, and the fixed base is in and is provided with feed channel. In spiral pultrusion mechanism, first screw rod and second screw rod are symmetrically distributed in front and back, and are driven by first motor, first gear and second gear are mutually engaged to realize synchronous reverse rotation. This design makes that material can be efficiently pushed, extruded in feed channel, not only guarantee the continuity of material conveying, but also can be preliminary compacted and formed in the pushing process to galvanization composite material, compared with traditional conveying mode, greatly improve processing efficiency, reduce the stagnation and accumulation problem of material in conveying process.

This invention discloses a feeding device for the production of hydroxyapatite powder, aiming to solve the problems of uneven feeding, clogging, and dust pollution caused by the poor flowability and easy agglomeration of this type of powder. The device includes a frame, a feeding channel, a crushing device and a dust removal assembly located within the channel. The crushing device includes a fixed rod and a movable crushing shovel driven by a drive assembly, effectively preventing material bridging and agglomeration through active, reciprocating crushing action. The dust removal assembly includes a suction chamber, a filter screen, and a cleaning roller brush. When the crushing shovel moves, this mechanism can be periodically actuated, driving the cleaning roller brush to automatically clean the dust accumulated on the filter screen. This invention cleverly combines active crushing with a mechanically linked self-cleaning dust removal function, eliminating the need for an additional power source for the cleaning function. Its compact structure enables uniform, stable, and dust-free feeding, effectively improving production efficiency and environmental quality.

This invention relates to the field of quick-freezing equipment and discloses a quick-freezing production line, including a quick-freezing chamber, a conveying mechanism, a first cleaning mechanism, and a second cleaning mechanism. The quick-freezing chamber has an inlet and an outlet. The conveying mechanism and the first cleaning mechanism are connected inside the quick-freezing chamber. The inlet end of the conveying mechanism extends to the outside of the quick-freezing chamber through the inlet, and the outlet end of the conveying mechanism extends to the outside of the quick-freezing chamber through the outlet. The first cleaning mechanism is used to clean the conveying mechanism, and the second cleaning mechanism is located outside the quick-freezing chamber. The second cleaning mechanism is used to clean the inlet end of the conveying mechanism. In practical applications, food is fed into the quick-freezing chamber through the conveying mechanism to complete quick-freezing, while the second cleaning mechanism is located outside the quick-freezing chamber. During the production process, the second cleaning mechanism can clean the inlet end of the conveying mechanism to remove residual food debris from the conveying mechanism. As a result, the conveying surface of the conveying mechanism can be kept clean, and the appearance quality of the food is more uniform.

The invention discloses composite high-strength black ceramic and a preparation method thereof, and relates to the technical field of ceramic manufacturing. The glaze is prepared from the following materials in parts by mass: 50 to 85 parts of mica, 65 to 90 parts of feldspar, 2 to 5 parts of nano silicon dioxide, 5 to 10 parts of red clay, 15 to 30 parts of quartz, 15 to 16.5 parts of calcite, 80 to 100 parts of kaolin, 20 to 30 parts of talc, 5 to 8 parts of nano ferrum dioxide, 2 to 5 parts of copper sulfate pentahydrate, 2 to 3 parts of potassium nitrate and 5 to 8 parts of borax decahydrate. The corrosion-resistant coating is prepared from, by mass, 5-8 parts of ethylene diamine tetraacetic acid, 3-5 parts of manganese dioxide, 2-5 parts of cobalt oxide, 1-3 parts of iron oxide, 2-5 parts of chromium oxide, 5-8 parts of silicon oxide and 10-20 parts of acetone. According to the composite high-strength black ceramic and the preparation method thereof, the oxide is added, so that the physical properties of the ceramic can be improved in the ceramic, a certain strengthening effect is achieved in the microstructure of the ceramic, and the ceramic can bear larger external force and abrasion.

The utility model belongs to the field of rolling pelletizers, and discloses a cold-bonding pelletizer capable of screening, which realizes the integration of pelletizing and screening of aggregates by arranging a feeding hole, an extruding structure, a screening structure and a collecting structure which are sequentially connected from top to bottom. A polygonal prism roller is adopted in the extrusion structure, and a plurality of grooves with different gradations and irregular shapes are formed, so that aggregate particles with different gradations can be formed in the extrusion process; and the screening structure is provided with a plurality of layers of circular hole screens with different grades, and the sizes of through holes are gradually reduced from top to bottom, so that aggregate particles with different sizes can be effectively separated. By adopting the pelletizer, the problem that a traditional pelletizer can only produce aggregate of the same grade is solved, the aggregate meeting the requirements of all grades required by concrete preparation can be directly produced, and the production efficiency and the concrete compactness are remarkably improved, so that the requirement of preparing high-quality concrete is met.

The invention belongs to the technical field of coke oven coking, and particularly discloses a method for improving the single-oven yield of a tamping coke oven, which comprises the following steps: firstly, uniformly loading crushed and screened coal into a coal box of a tamping machine; the tamping machine is started to tamp and compact the coal in the coal box, the thickness of the tamped coal is 80 cm, and then the coal continues to be added into the coal box and tamped to enable the height of the finally tamped coal cake to be 4 m; finally, coal cakes formed after tamping are pushed into a carbonization chamber through a coke pushing machine to be heated, so that the coal cakes are dried in the carbonization chamber, and the coal cakes are converted into coke after being decomposed. Aiming at the problems of low briquette bulk density and discontinuous internal structure caused by non-uniform coal distribution at present, the invention improves the overall bulk density and structural uniformity of the briquette by optimizing a feeding mode and a briquette forming form, so as to solve the problems of low briquette bulk density, discontinuous internal structure and poor structure uniformity caused by non-uniform coal distribution during tamping in the prior art. Therefore, the single-furnace yield of the tamping coke oven is influenced.

This application discloses a ring-shaped laser cladding device, relating to the field of laser cladding technology. It includes a fixing component, a ring-shaped feeding component, and a ring-shaped laser cladding component. The fixing component is used to fix one end of the workpiece to be processed. The ring-shaped feeding component is arranged around the workpiece to be processed and is used to supply powder to the circumferential surface of the workpiece. The ring-shaped laser cladding component is located on the side of the ring-shaped feeding component away from the fixing component. The ring-shaped laser cladding component generates a ring-shaped laser spot coaxial with the workpiece to be processed and performs laser cladding on the circumferential surface of the workpiece. It can uniformly irradiate the circumferential surface of the workpiece at the center of the ring without rotating the workpiece, avoiding the uneven heating problem caused by unilateral laser irradiation. This ensures that the cladding temperature is consistent at all positions along the circumference of the workpiece, effectively reducing defects such as porosity, cracks, and incomplete fusion in the cladding layer, and improving the forming quality and thickness uniformity of the cladding layer.

The invention relates to a mixing device, and provides a carbide slag adding device for aluminum oxide dissolution, which comprises a tank body, a feeding pipe arranged on the side wall of the tank body, a plurality of liquid suction pipes arranged on the outer wall of the tank body, a guide pipe simultaneously connected with the plurality of liquid suction pipes, a pump body connected with the guide pipe, and a grouting pipe connected with the pump body, the nozzle is arranged at the end of the grouting pipe and located in the tank body, the first driving device is used for driving the nozzle to move in the vertical direction, and the pH detection device is arranged on the side wall of the tank body; the multiple liquid suction pipes are distributed in the vertical direction, the side wall of the guide pipe is connected with a feeding pipe, and the feeding pipe is connected with a liquid storage box. According to the carbide slag adding device for dissolving out the aluminum oxide, the bauxite slurry can be efficiently mixed, the mixing efficiency of the slurry is improved, and the pH value of the slurry is more accurately regulated and controlled.

The present application relates to the field of biomedical technology, and more particularly to a sorting method of a mesenchymal stem cell subpopulation secreting high hepatocyte growth factor and a screening method of a sorting index. The application of cell surface protein CD10 as an index in sorting the mesenchymal stem cell subpopulation secreting high hepatocyte growth factor. The present application successfully associates CD10 with HGF secretion function and strong repair efficiency for the first time, providing an unprecedented method capable of directly and non-destructively screening and enriching a high therapeutic potential cell subpopulation from a heterogeneous cell population. The method overcomes the core bottleneck of traditional mesenchymal stem cell products, which are not uniform in function and unstable in efficacy, making it possible to sort based on the CD10 surface marker, thereby enabling the preparation of a mesenchymal stem cell subpopulation product with higher HGF expression level, more significant repair function and better quality uniformity. It has important clinical application value and industrialization prospect.

The invention discloses a method for processing a groove in a glass surface and a preparation method of unequal-thickness flexible glass, and the method comprises the following steps: S1, carrying out primary modification on a target groove area of the glass through ultrafast laser, and forming a microcrystalline layer at a specific depth of the target groove area; s2, performing secondary modification on the target groove area through ultrafast laser to form a latent image layer; s3, performing laser etching on the edge of the target groove; s4, forming a groove in the laser processing surface through chemical etching; the depth of the microcrystalline layer is 1 / 4-1 / 2 of the depth of the target groove, and the depth of the latent image layer is the target depth of the target groove. According to the method, the damage risk in the flexible glass processing process can be effectively reduced, meanwhile, the shape of the groove area can be accurately controlled, the thickness uniformity is greatly improved, and the product appearance and performance are remarkably improved.

The utility model relates to the technical field of plastic container processing discloses automatic deburring equipment of plastic container, including the bottom plate, the outer wall fixed connection of fixed column has the fixing frame, the outer wall fixed connection of fixing frame has the first motor, the output fixed setting of first motor has the first gear, the tooth end of first gear has the gear ring and engages the connection, the inside rotation of fixing frame is connected with second gear, the outer wall fixed connection of second gear has the first rotary plate, the outer wall rotation of first rotary plate is connected with second rotary plate, the outer wall rotation of second rotary plate is connected with polishing assembly. In the utility model, through first motor drive second gear rotation, through second gear rotation drive second rotary plate rotation, through three second rotary plate rotation drive polishing assembly movement, make polishing assembly's movement more stable, make polishing assembly up and down to different height work, reach the effect that promote deburring quality evenness.

The invention provides a two-stage needle coke production device and method. A two-section type needle coke production device comprises a heat exchange device, a raw material preheating furnace, a fractionating tower and an adjusting device, the heat exchange device is connected with the raw material preheating furnace through a pipeline, the raw material preheating furnace is connected with the fractionating tower through a pipeline, and the adjusting device is respectively connected with the raw material preheating furnace and the fractionating tower.

The application provides a high-speed rotating workpiece device for coating, and relates to the technical field of coating equipment.The high-speed rotating workpiece device for coating comprises a film detection head, a mounting frame, a first cylinder shaft, a second cylinder shaft and a third cylinder shaft.The first cylinder shaft, the second cylinder shaft and the third cylinder shaft are coaxially arranged from inside to outside, and the first cylinder shaft and the third cylinder shaft are fixedly arranged on the mounting frame.The second cylinder shaft is rotationally connected with the first cylinder shaft, and the second cylinder shaft is rotationally connected with the third cylinder shaft.One end of the second cylinder shaft is connected with a connecting frame for connecting a coating workpiece, the film detection head is arranged on the mounting frame and located at the one end of the second cylinder shaft away from the connecting frame, and the film detection head faces the connecting frame along the axial direction of the second cylinder shaft.Magnetic fluid sealing structures are arranged between the second cylinder shaft and the first cylinder shaft and the third cylinder shaft.The application can comprehensively improve the high-speed rotation stability, the ultra-high vacuum sealing reliability and the film thickness monitoring precision, and further improve the coating quality uniformity and the production efficiency.

The invention discloses a construction waste regenerated wallboard with a temperature adjusting function and a preparation method thereof, and relates to the technical field of construction waste regenerated wallboards, the construction waste regenerated wallboard comprises the following raw materials: waste foamed plastic, waste glass, waste tiles, waste concrete, cement, fly ash, stone powder, water, an additive, paraffin microcapsules and an epoxy resin coating. The paraffin microcapsule phase change material can store a large amount of heat energy in the wallboard and realize a temperature regulation function, so that the prepared building waste regenerated wallboard has an excellent temperature regulation function, the heat efficiency of the wallboard is improved, the indoor temperature of a building can be more effectively kept in cold and warm seasons, and through effective temperature regulation, the indoor temperature of the building can be effectively kept. Dependence on traditional energy is reduced, energy consumption of a building is reduced, the wallboards help smooth indoor temperature fluctuation by absorbing and releasing heat, and a more comfortable living environment is provided.

This invention belongs to the field of UV monitoring technology. It provides an online real-time UV energy monitoring system for automated UV coating lines, comprising: a data acquisition module that collects instantaneous raw UV energy values ​​and VOCs concentration values ​​around the detection window; a composite deposition characteristic quantity calculation module that obtains dimensionless characteristic quantities characterizing the degree of window contamination through product and time integration operations; an attenuation compensation model construction module that analyzes the correlation between the characteristic quantities and the transmission attenuation coefficient, and establishes a linear or nonlinear compensation model; and a true UV energy value correction module that calculates the true UV energy value to eliminate the influence of window attenuation through a preset formula. This invention can achieve accurate compensation for window contamination attenuation, avoid monitoring distortion, ensure the stability of the UV curing process, improve the consistency of the finished coating, has a simple structure, is easy to implement, and is suitable for precision monitoring scenarios in various automated UV coating lines.

The invention provides a falling film type devolatilization device which comprises a vertical container, a melt pressure chamber is arranged on the upper portion of the container, a discharging chamber is arranged at the bottom of the container, the melt pressure chamber is communicated with a material inlet, the discharging chamber is provided with a material outlet, and the vertical container is provided with a heat exchange chamber between the melt pressure chamber and the discharging chamber. The devolatilization device is provided with a plurality of falling film pipes, the inner wall surfaces of the falling film pipes are material falling film flowing contact surfaces, the diameter of the inscribed circle of each falling film pipe is 50-300 mm, and the falling film pipes penetrate through the heat exchange chamber; the lower end of the falling film pipe is communicated with the blanking chamber; a circle of multiple film distribution holes are formed in the inner side of a pipe opening in the upper end of the falling film pipe in the circumferential direction, the diameter of the inscribed circle of each film distribution hole ranges from 2 mm to 15 mm, and the length-diameter ratio L / D of the length L of each film distribution hole to the diameter D of the inscribed circle ranges from 2 to 15. And the melt pressure chamber is communicated with the falling film pipe through the film distribution holes. According to the invention, the film-forming flow uniformity of materials in the equipment is good, the heat and mass transfer efficiency is high, and the internal components are compact in structure and easy to industrially amplify.

The utility model provides a kind of economizer tube bank welding auxiliary alignment device, it is related to welding auxiliary equipment technical field, including bottom plate, further include: alignment subassembly, alignment subassembly includes the support seat being connected on bottom plate, in the utility model, the pipe body to be welded is placed in predetermined position, the output end of pneumatic cylinder promotes clamping block movement, and one end of pipe body is clamped and fixed, ensure the stability of welding process, subsequently, sliding block on guide rod is slid to predetermined position, limit rod and expansion spring drive pressure block down, by the elastic action of expansion spring, the other end of pipe body is limited by pressure block, prevent its displacement in welding process, ensure that pipe mouth accurate level alignment, second transmission motor drives rotating wheel rotation, drive rotating plate to rotate on support block, so that pipe body is rotated, convenient for pipe body to be welded, realize pipe body accurate positioning, stable clamping and rotating adjustment, guarantee welding alignment precision and welding efficiency.