26results about How to "Avoid foaming" patented technology

The invention relates to the technical field of epoxy resin coatings, and discloses an inorganic composite nano anticorrosive coating material and a preparation method thereof. The inorganic composite nano anticorrosive coating material comprises a component A, a component B and a component C, wherein the component C is obtained by mixing a functional modified inorganic composite nano material and aluminum sorbate; the component A is obtained by mixing modified epoxy resin, a defoaming agent and an anti-settling agent, and the component B comprises a polyamide curing agent. The inorganic composite nano anticorrosive coating material disclosed by the invention has excellent toughness, wear resistance, corrosion resistance, antibacterial and antifouling properties and ultraviolet resistance.

The utility model relates to the technical field of house repairing, in particular to a waterproof layer structure for repairing an old house, which comprises a base surface layer and a concrete mortar layer, and a waterproof layer is arranged between the base surface layer and the concrete mortar layer. The waterproof layer comprises a cement-based permeable crystallization self-healing coating layer, an asphalt waterproof coating layer is arranged on the cement-based permeable crystallization self-healing coating layer, and a gridding cloth layer is arranged on the asphalt waterproof coating layer. The utility model has the characteristics that the structure is simpler and more reasonable, blistering and peeling can be better avoided, the waterproof effect can be improved, and moisture overflow can be avoided.

The invention relates to an aluminum honeycomb panel six-face seamless integrated forming paint spraying process which comprises the steps of plain panel inspection, cleaning, anti-corrosion treatment, edge sealing and adhesion primer polishing, then polishing, spraying of high-definition primer, polishing and color repairing, and finally spraying of finish paint after polishing is completed. Then the upper panel and the lower panel are folded into a point to play a supporting role, and then edge sealing is carried out, so that the connected seam is not located at the edge seam position of each aluminum honeycomb panel, in this way, the internal seamless integrated forming process is achieved through multiple times of polishing and primer spraying, the room temperature is adjusted through heat of a drying box, and dust prevention operation is carried out through liquid obtained after cleaning; the paint spraying six surfaces are seamlessly and integrally formed, the overall performance is good, resources are saved, and the coating smoothness in the spraying process is good.

The invention relates to the technical field of flocking adhesives, in particular to a flocking adhesive and a preparation method thereof.The flocking adhesive is at least prepared from, by weight, 15-35 parts of polyether polyol, 1-5 parts of hydroxy acrylic resin, 0.5-2.5 parts of chain extender, 20-70 parts of solvent, 0.1-1.0 part of dehydrating agent, 10-35 parts of curing agent, 0.1-1.0 part of initiator, 0.1-1.0 part of defoaming agent and 1.0-3.0 parts of catalyst. By optimizing a product formula system, the provided flocking glue can be directly used, a curing agent does not need to be additionally added in subsequent use, the drying speed is high, the firmness is excellent after drying, the ageing resistance is high, and the actual use requirements are better met.

The present invention discloses a compression and aggregation treatment device for livestock and poultry manure and its use method, which belongs to the field of compression and aggregation treatment of livestock and poultry manure, and comprises an operation box having an installation space therein; a translation component which is detachably arranged on the top of the operation box; and a collecting component which is detachably arranged in the installation space of the operation box, and is used to collect livestock and poultry manure to be compressed and aggregated. The compression and aggregation treatment device for livestock and poultry manure of the present invention and its use method, through the arranged blowing component, will simultaneously drive the hook plate to move upward during the process of the overall lifting of the collecting component, and when the hook plate rises, the extrusion plate can squeeze the airbag, so that the airbag squeezes the gas into the nozzle, and blows air into the oscillation box through the nozzle, so as to further prevent the liquid of the livestock and poultry manure to be compressed and aggregated from bubbling through blowing.

The application discloses a kind of antifouling self-cleaning cooling multifunctional coating and preparation method thereof.Coating main component has: water-based commercial white paint, alpha phase phosphogypsum (alpha-HPG), water-based polyurethane (WPU), ethyl acetate (EA), stearic acid (SA), N, N-dimethylformamide (DMF).First, water-based commercial white paint and alpha-HPG are modified respectively, then slurry is prepared by using simple blending method at room temperature, and coating is plated by doctor blade method, i.e. the double functional composite coating with excellent hydrophobicity and non-energy consumption cooling effect can be prepared.

This invention provides a cleaning mechanism, comprising a conveying component and a cleaning device. The cleaning device includes a fixed frame, a sweeping component mounted on the fixed frame, a blowing component, and a suction component. The suction component is located between the sweeping component and the blowing component. The sweeping component includes a cylinder, a mounting bracket mounted on the cylinder, and a long brush fixed on the mounting bracket. In this cleaning mechanism, when a lithium battery is conveyed to the bottom of the cleaning device via the conveying component, the cylinder drives the mounting bracket to move downwards, thereby causing the long brush to block debris and loose dust on the surface of the lithium battery. The blowing component blows air to separate the dust from the lithium battery surface, and the suction component sucks in the dust blown away by the blowing component. When the lithium battery surface separates from the long brush, the long brush carries debris away from the lithium battery. This ensures effective cleaning of the lithium battery surface while improving cleaning efficiency, thereby increasing processing capacity. After cleaning, the lithium battery surface can be labeled, effectively preventing label bubbling.

The present application relates to the technical field of deep treatment of brine for preparation of potassium hydroxide by electrolysis, and discloses a method and operation system for removing chlorate produced in preparation of potassium hydroxide by ion-exchange membrane electrolysis, step one: introducing the brine discharged from the electrolysis procedure into a buffer homogenizing tank, mixing after stirring, proportionally shunting through a double-path variable frequency pump, and respectively conveying to a titanium-based electrolytic cell and a dechlorination raw material buffer tank, the titanium-based electrolytic cell being supplied with nitrogen until the oxygen content in the cell is ≤0.5%; step two: starting the power supply of the titanium-based electrolytic cell, setting the initial cell voltage, adjusting the current density through a rectifier, and simultaneously dynamically adjusting the electrolysis parameters based on the free chlorine concentration in the brine to control the hydrogen production. The method and operation system for removing chlorate produced in preparation of potassium hydroxide by ion-exchange membrane electrolysis can accurately control the generation and residual amount of chlorate in the electrolysis system, avoid the chlorate from passing through the ion-exchange membrane into the cathode to cause the chlorate in the finished product to exceed the standard, and significantly improve the purity and quality grade of the potassium hydroxide product.

This invention discloses a method for desulfurization by reacting hydrogen sulfide and sulfur dioxide in brine. Hydrogen sulfide and sulfur dioxide are introduced into a brine solution, and a liquid-phase Claus reaction is accelerated using a stirring paddle and steam to achieve rapid sulfur preparation and separation. Using the process method and apparatus of this invention, the sulfur dioxide and hydrogen sulfide gases are vigorously stirred in the brine solution by a bladed stirring paddle, which not only increases the contact area and reaction efficiency between the gas and liquid phases, but also solves the problem of difficult separation of sulfur suspension due to the salting-out effect. Furthermore, the process flow of this invention is simple and easy to operate, and the brine in the sulfur solution can be recycled after separation, reducing operating costs.

The utility model relates to the technical field of engine oil sump, especially an oil sump of in-line piston engine, an engine and an aircraft, the oil sump is installed in the lower part of engine crankcase body assembly, the oil sump is formed as a basin -like structure with the basically level inner bottom surface, the inner bottom surface of the oil sump is concave downward and forms the oil storage groove that the structure is further outward protruding relative to the outer bottom surface of the oil sump, the upper part inboard of the oil sump is provided with the oil return interface, the bottom of the oil storage groove is provided with the through oil drain hole, the oil drain bolt is sealed in the oil drain hole, the wide edge sealing pad is installed on the sealing edge contact surface of the oil sump and engine crankcase body assembly connection, and the width of wide edge sealing pad is greater than the width of sealing edge contact, the utility model simplifies the oil sump structure, so that can adapt to the large inclination of aircraft ±45 DEG movement, greatly reduces the oil leakage risk simultaneously, and reduces the maintenance cost.

The present application relates to fire extinguishing agent production equipment technical field, specifically to a kind of wetting agent adding device for water-based fire extinguishing agent production, including U-shaped frame, the middle part of one end of the U-shaped frame is slidably connected with connecting plate, one end of the connecting plate is fixedly installed with adjusting mechanism, the adjusting mechanism includes fixed round plate, rotating round plate is rotatably installed in the upper portion of the middle part of the fixed round plate, a plurality of straight line guide grooves are evenly formed in the outer side of the middle part of the fixed round plate.The present application can accurately change the flow area by adjusting the opening and closing of the adjusting plate, allowing users to control the flow rate of wetting agent as needed;At the same time, by driving the screw with the motor, the discharge pipe is immersed below the liquid level to add material silently, avoiding the occurrence of foaming phenomenon when adding wetting agent from the source, and cooperating with the tapered conduit diameter reduction slow flow and baffle shunt structure, it can effectively disperse high viscosity additives, prevent agglomeration, make the wetting agent mixture more uniform, and thus greatly improve production efficiency and product quality.

The invention discloses a pot with good ductility and cracking resistance and a preparation method thereof, and belongs to the field of household appliances. The cookware comprises a cookware base body and a meltallizing layer with the thickness of 20-150 microns, and the meltallizing layer is meltallizing from meltallizing raw materials to the inner surface of the cookware base body; the meltallizing layer comprises, by weight, A% wt of Ti, B% wt of O and C% wt of ductile elements, and (A + C) / B is larger than or equal to 1.2 and smaller than or equal to 2.5; wherein the hardness of the meltallizing layer is larger than that of the cookware base body, and the ductility of a simple substance formed by the ductility elements is better than that of the meltallizing layer. The ductility element is added into the meltallizing layer of the cookware, and (A + C) / B is controlled to be larger than or equal to 1.2 and smaller than or equal to 2.5, so that the ductility and the cracking resistance of the meltallizing layer can be improved, meanwhile, the corrosion resistance of the cookware is improved, and the service life of the cookware is prolonged.

The utility model discloses a device for automatic gluing and lamination of magnets, which comprises a workbench, a feeding station, a laminating station, a gluing station, a laminating station, a gluing station, a laminating station and a gluing station, wherein the feeding station and the laminating station are sequentially arranged on the workbench; the glue smearing station is used for smearing glue on the magnets on the workbench; the lamination station is used for stacking the glued magnets; the working table is further provided with a movable platform, the movable platform is located between the stations, at least four grooves for containing magnets are formed in the movable platform, and the movable platform translates in the arrangement direction of the stations so that the grooves can correspond to the different stations respectively. According to the equipment for automatic glue smearing and lamination of the magnets, automatic detection glue smearing is used for products, blistering caused by glue stirring can be prevented in the glue smearing process, the uniformity and consistency of glue can be ensured through automatic glue smearing, and waste of the glue is greatly reduced. And after glue is smeared, the glue smearing faces and the back faces of the products are stacked together one by one in an automatic stacking mode, and compared with manual stacking, the stacking mode can completely prevent glue from being smeared off, so that the structural stability of a product assembly is guaranteed. And the glued magnets are automatically laminated, so that the problem of low manual stacking efficiency can be solved, the production efficiency is greatly improved, and the requirements of large-scale production are met.

The invention relates to the technical field of rail transit, in particular to a composite sandwich structure forming process and a sandwich structure. The forming process comprises the steps of part forming, wherein a plurality of profiles are sequentially spliced end to end to form an annular framework, and the annular framework is provided with a hollow cavity; the skin and the filler are cut, so that the skin and the filler are matched with the annular framework in size; composite molding: coating one side surface of the skin and two side surfaces of the framework with resin; the filler is put into the hollow cavity of the framework, then the skin fully coated with the resin is attached to the framework, the framework is turned over, the skin on the other side is attached to the framework, and a sandwich structure is formed; and the compounded sandwich structure is pressurized, the pressure is relieved after pressurization is conducted for preset time, and preparation of the sandwich structure is completed. By means of the method, the first-pass yield of the large-size composite material part is increased, and follow-up working hours such as repairing, shaping and polishing are reduced.

The invention discloses a multi-layer composite amorphous carbon coating of a metal bipolar plate and a preparation method of the multi-layer composite amorphous carbon coating, and particularly relates to the technical field of preparation of surface coatings of metal bipolar plates. The coating sequentially comprises an anchoring layer, an ion selective barrier layer and an amorphous carbon layer from inside to outside. The anchoring layer is preferably chromium nitride / chromium carbonitride with a gradient structure and is used for enhancing the binding force of the coating and a matrix; the ion selective barrier layer is preferably silicon-doped diamond-like carbon and is used for inhibiting metal ions from migrating to the surface; and the outermost amorphous carbon layer is diamond-like carbon with high sp3 content, so that excellent corrosion resistance and conductivity are provided. According to the preparation method, the transition layer is deposited by adopting a closed field unbalanced magnetron sputtering technology, and the barrier layer and the amorphous carbon layer are deposited by adopting a plasma enhanced chemical vapor deposition technology in sequence. The coating is clear in structural design, the preparation process is controllable, and the long-term durability of the metal bipolar plate in a severe environment of a fuel cell can be remarkably improved.

This utility model relates to the field of epoxy flooring technology and discloses an epoxy flooring with interlayer anti-slip textures. It includes an anti-stick layer, an anti-slip layer at the lower end of the anti-stick layer, protrusions at the upper end of the anti-slip layer, anti-slip textures on the upper surface of the protrusions, drainage grooves on both sides of the upper surface of the anti-slip layer, and a waterproof layer at the lower end of the anti-slip layer. This epoxy flooring with interlayer anti-slip textures significantly increases the friction between the ground and the contact surfaces of shoes, wheels, etc., through the combined arrangement of the anti-slip layer, protrusions, and anti-slip textures. Compared to traditional smooth epoxy flooring, the three-dimensional structure effectively disperses the dynamic pressure of pedestrians or vehicles, preventing relative sliding of the contact surfaces, shortening the sudden braking distance between the protrusions and anti-slip textures, and significantly reducing the risk of slipping in wet, oily, or dusty environments. This improves safety in industrial sites, parking lots, and other similar settings. Furthermore, the combined arrangement of drainage grooves and a waterproof layer allows for the rapid drainage of accumulated water.

The utility model relates to the technical field of pipeline surface anti-corrosion coating, and discloses a rapid coating device for a high-pressure pipeline surface anti-corrosion coating, which comprises a base and a high-pressure pipeline, a processing box is fixedly arranged at the top of the base, and a hollow placing plate is arranged in the processing box; and coating assemblies are arranged on the inner side and the outer side of the processing box and located on the top of the base. By arranging the coating assembly, the surface of the high-pressure pipeline is subjected to anti-corrosion coating operation, manual work is replaced with a mechanical structure, it is guaranteed that the surface of the high-pressure pipeline is always stressed evenly when brush coating is conducted, cracking or bubbling caused by too thick coating during manual brush coating is avoided, meanwhile, it is avoided that the anti-corrosion performance is reduced when the coating is too thin, and the anti-corrosion performance of the high-pressure pipeline is improved; and by arranging the inner clamping assembly, the outer sides of the two arc-shaped clamping plates and the inner side of the high-pressure pipeline are tightly clamped, and the top of the hollow containing plate is prevented from shaking or falling off.

The application discloses a display module and a manufacturing method thereof. The display module comprises a display panel, a touch panel and a cover plate which are sequentially stacked, and further comprises a first flexible circuit board and a second flexible circuit board. In a flat state, the first flexible circuit board has a spacing or a contact surface with a side of the second cover plate part facing the first flexible circuit board. When the contact surface is formed, the area of the orthogonal projection of the contact surface on the second cover plate part accounts for 1 / 8-1 / 5 of the area of the second cover plate part. The display module improves the reliability of the flexible circuit board, reduces the peeling of the cover plate and the probability of bubble generation in the display area. The manufacturing method is simple in steps, avoids bubble generation in the display area during the preparation process and does not need a bubble removal step.

This carbodiimide composition is characterized by comprising a carbodiimide compound (A), a phosphite-based antioxidant (B), and a hindered phenol-based antioxidant (C), and is characterized in that the phosphite-based antioxidant (B) is contained in an amount of 1.5-5 parts by mass with respect to 100 parts by mass of the carbodiimide compound (A), and the hindered phenol-based antioxidant (C) is contained in an amount of 1.5-6 parts by mass with respect to 100 parts by mass of the carbodiimide compound (A). The carbodiimide composition can suppress foaming in a resin during molding, and provides a resin molded article having excellent hydrolysis resistance.

The invention discloses a method for preparing a low-molecular-weight and high-purity active fragment of kelp polysaccharide, and belongs to the technical field of polysaccharide degradation. The operation steps are as follows: (1) the uniform component of kelp polysaccharide is dissolved in acetic acid-sodium acetate buffer and ultrasonically stretched, the chain structure of the polysaccharide is stretched, β-mannanase is added for enzymolysis, and fixed-point cutting is implemented to obtain a low-molecular-weight kelp polysaccharide mixture; (2) after separation and purification by dextran gel, a uniform low-molecular-weight active fragment of kelp polysaccharide is obtained, and the active fragment of kelp polysaccharide is powdered, with a molecular weight of 1371 Daltons, and mainly contains glucose, mannose and galactose. The present invention has the advantages of simple operation, no pollution, and stable reaction, and the degraded polysaccharide has obvious activity of inhibiting macrophage foaming.

The pressure-sensitive adhesive film of the present invention comprises a thermoplastic resin and has a thickness of 150 µm or more and 2000 µm or less, in which an amount of change in thickness of a test sample A in a predetermined compression creep test performed is 50 µm or more and 325 µm or less, and an adhesive force to a polycarbonate base material, as measured by a predetermined pressure-sensitive adhesive force measurement method, is 100 N or more. The laminate of the present invention comprises the pressure-sensitive adhesive film of the present invention, a first organic material substrate, and at least one base material of second organic material substrate and inorganic material substrate. The liquid crystal display of the present invention and the laminated glass of the present invention each comprises the laminate of the present invention. According to the present invention, there can be provided a pressure-sensitive adhesive film, a laminate comprising the pressure-sensitive adhesive film, and a liquid crystal display and a laminated glass each comprising the laminate, in which a transparency in low-temperature sticking is favorable, foaming in an end portion in low-temperature sticking is small, and adhesiveness to a resin material such as a polarization film is favorable.

The invention relates to the technical field of clamping claw feeding for plastic products, in particular to a clamping claw combined feeding device for plastic products, which comprises a processing table, a conveying frame fixedly connected to the processing table, a rotating frame rotationally connected to the processing table, a moving frame arranged on one side of the rotating frame, and a clamping claw mechanism fixedly connected to the moving frame. An adjusting frame is arranged on one side of the movable frame in a sliding fit mode, a dust sticking mechanism is rotationally connected to the adjusting frame, a pressing frame is arranged on the adjusting frame in a sliding fit mode, and a transmission mechanism is rotationally connected to the adjusting frame. The adhesive tape on the adhesive tape roll can be driven to be attached to the position, to be labeled, of a plastic product, dust and impurities in a label area can be rapidly and effectively removed, therefore, the adhesion effect of a label is guaranteed, the requirement for manual intervention is reduced, the production efficiency is improved, and the labor intensity is reduced.

The utility model discloses a gluing machine capable of preventing blistering during plastic flooring compounding. The gluing machine comprises a rack, a compression roller mounted on the rack, and a gluing roller arranged on one side of the compression roller, and bulges are arranged on the circumferential surface of the gluing roller. Due to the arrangement of the protrusions, the plastic flooring passing through the space between the glue coating roller and the pressing roller can be tightly compacted, meanwhile, glue can be conveniently smeared on the plastic flooring, and the glue is promoted to be distributed on the plastic flooring at intervals through the gaps between the protrusions; therefore, when the plastic flooring is attached, air flows out through the gaps between the protrusions, and the phenomenon that the plastic flooring is blistered when attached is avoided. On the basis, the embossments are adopted to form the patterns on the gluing roller, so that air can be effectively exhausted when the plastic flooring is attached, and the bulging phenomenon is prevented.

The invention discloses a boiling-resistant modified polypropylene material and a preparation method thereof. The boiling-resistant modified polypropylene material is prepared from the following raw materials in parts by mass: 50-70 parts of low-melt-index polypropylene, 2-10 parts of ultrahigh-melt-index polypropylene, 20-30 parts of talcum powder, 3-15 parts of a toughening agent, 1-5 parts of a compatilizer, 0.2-1 part of an antioxidant and 0.3-2 parts of carbon black. The low-melt-index polypropylene is co-polypropylene with the melt index of 10-50g / 10min at 230 DEG C / 2.16 kg; the ultrahigh melt index polypropylene is homo-polypropylene of which the melt index is 1200-1800g / 10min at 230 DEG C / 2.16 kg. The boiling-resistant modified polypropylene material disclosed by the invention has better high-temperature boiling resistance and can meet the experimental requirement of boiling for 4 hours at 99 DEG C, the foaming grade can reach 0-1 grade, and the color difference value change is less than 1.

The utility model relates to cable technical field, and disclose a kind of low voltage cable processing's printing equipment, including fixed frame, further include: setting in the conveying mechanism of fixed frame top, the top of the fixed frame is provided with printer body, the top of the fixed frame is provided with PLC controller;Drying assembly, setting in the outside of conveying mechanism, the drying assembly includes the drying rack of fixed connection in the top of fixed frame, the inside of the drying rack is provided with hot blast pipe, the top of the hot blast pipe is connected with connecting pipe, the outside of the drying rack is provided with hose, the top of the drying rack is fixedly connected with hot blast box, the top of the fixed frame is fixedly connected with preheating frame;The utility model can dry low voltage cable by setting drying assembly to complete printing operation, and then can prevent the overflow or scratch of printing ink, to improve printing efficiency to some extent.

The invention discloses an energy storage battery cooling liquid composition and a preparation method thereof, a mineral type cooling liquid is prepared from base oil and an antioxidant, a light stabilizer and an anti-foaming agent which are added, the mineral type cooling liquid has a high flash point and good low-temperature fluidity, the cooling performance is effectively improved, and meanwhile, the energy storage battery cooling liquid composition has a good application prospect. In addition, the cooling liquid also has good insulativity, biodegradability and chemical stability, is low in biotoxicity, and can be suitable for immersed direct cooling of an electrochemical energy storage system.