348 results about "Spray coating" patented technology

Methods and apparatus for vacuum forming and subsequently applying topical coatings fiber-based food containers. The slurry includes one or more of an embedded moisture barrier, vapor barrier, and oil barrier, and the topical coating comprises one or more of a vapor barrier, a moisture barrier, an oil barrier, and an oxygen barrier. For food containers having deep sidewalls, a spray coating system includes a first nozzle for applying a full cone spray pattern to the bottom surface of the container, and a second nozzle for applying a hollow cone spray pattern to the inside surfaces of the side walls.

The invention discloses an HVOF spraying coating and a preparation method and application thereof, and belongs to the technical field of high-end equipment manufacturing, and the preparation method of the HVOF spraying coating comprises the following steps that hypersonic flame spraying is adopted, and a transition layer and a working layer are sequentially sprayed on the surface of a base body; the transition layer is made of NiCr (nickel chromium)-CoCrFeNiMo (cobalt chromium) or NiCr (nickel chromium); and the working layer is at least one of the following components: 10 < CoCr > FeNi < 18 > NiCr < 72 > Cr3 < C2 >, 20 < CoCr > FeNi < 16 > NiCr < 64 > Cr3 < C2 >, 75 < NiCr > < 25 > Cr3 < C2 >, 25 < NiCr > < 75 > Cr3 < C2 > and 50 < NiCr > < 50 > Cr3 < C2 >. According to the HVOF spraying coating prepared through the method, collaborative optimization of high-temperature wear resistance and corrosion resistance is achieved, and an effective path is provided for design of a high-performance protective coating under the complex working condition.

The invention discloses a low-cost nano porous silicon-carbon composite material based on a solid waste silicon source as well as a preparation method and application thereof. The preparation method comprises the following steps: taking a solid raw material containing silicon dioxide as a silicon source; carrying out wet ball milling on the pretreated raw materials; mixing the ball-milled material with magnesium powder, aluminum chloride and lithium chloride; carrying out heating reduction reaction on the mixed material; sequentially performing hydrochloric acid pickling and hydrofluoric acid pickling on the reduction product, and then washing to be neutral; mixing the washed silicon particles with a carbon precursor containing nitrogen and sulfur, coating by adopting a spray coating method, and then carrying out carbonization treatment; the carbon precursor containing nitrogen and sulfur is composed of asphalt and thiourea; the carbonization temperature is 750-850 DEG C, the carbonization time is 1-2 hours, and the heating procedure comprises a desolventizing section, an asphalt decomposition section and a carbonization section. The preparation method is low in raw material cost, low in energy consumption, environment-friendly and excellent in product comprehensive performance, and has wide application prospects in the fields of power batteries, energy storage, catalysis and the like.

The present invention provides a TPU printable substrate film, comprising a first release film layer, a substrate layer, an installation adhesive layer and a second release film layer sequentially laminated; the first release film layer is provided on the substrate layer, the installation adhesive layer is provided underneath the substrate layer, and the second release film layer is provided underneath the installation adhesive layer; wherein a thickness of the first release film layer is 12˜188 μm; a thickness of the substrate layer is 2˜188 μm; a thickness of the installation adhesive layer is 20˜100 μm and a thickness of the second release film layer is 12˜188 μm. The present invention provides a TPU printable substrate film, configured for production and manufacturing of the printable decal films, and the TPU printable substrate films made by spraying coating have very good extension and anti-aging performance.

The invention discloses a high-insulativity coating treatment method of a metal soft magnetic composite material, which belongs to the technical field of metal soft magnetic materials, and comprises the following steps: firstly, performing vacuum dehydration treatment on metal soft magnetic powder, and controlling the moisture content to be not higher than 0.1%; carrying out ultrasonic dispersion treatment on the boron nitride nanosheets to form a suspension, and modifying the magnesium borate nanowires and a silane coupling agent for later use; preparing an inorganic coating solution and an organic coating solution; activating the powder in the fluidized bed by adopting radio frequency plasma of argon-oxygen mixed gas; enabling the activated powder to enter a three-fluid nozzle fluidized bed reactor, and implementing synchronous spray coating in two stages: in the first stage, spraying inorganic coating liquid and applying pulse plasma to form a composite bottom layer; in the second stage, spraying organic coating liquid and carrying out ultraviolet precuring to form a resin layer; and the coated powder is treated by a stepped thermocuring procedure to obtain a finished product. The technical problem of how to improve the insulation coating performance of the metal soft magnetic composite material is solved.

The utility model provides an automatic spraying device. The automatic spraying device comprises a robot, a spraying gun, a coating assembly, a cleaning assembly and an atomizing assembly. The robot is installed on the base plane, and the end, away from the base plane, of the robot is arranged to be a free end capable of moving. The spray gun is fixed to the free end and can move along with the free end. The coating assembly comprises a coating pipeline and a coating valve, the cleaning assembly comprises a cleaning pipeline and a cleaning valve, the spray gun is provided with a spraying connector and an atomization connector, and the coating pipeline and the cleaning pipeline are communicated with the spray gun through the spraying connector. The atomization assembly communicates with the atomization connector so as to provide atomized gas for the spray gun. The paint valve and the cleaning valve are communicated with the paint pipeline and the cleaning pipeline respectively, and one of the paint valve and the cleaning valve is selected to be conducted at the same time, so that the spray gun can spray paint or enable a cleaning agent to enter the spray gun to clean the spray gun, and the accuracy and the spraying effect of the spray gun during next spraying are guaranteed.

This invention relates to the field of refractory materials technology, specifically to an anti-slag-adhesion environmentally friendly refractory spray coating adapted to the contact surface of an tundish cover and its preparation method. The dry powder of this spray coating mainly consists of corundum aggregate, modified spinel powder, composite binder, and modified anti-slag additives. Through precise gradation and spatial decoupling of components, a strong and tough skeleton is constructed. During water addition, rheological changes, and baking, the anti-slag additives spontaneously target and migrate outwards, reconstructing a superhydrophobic slag-repellent armor on the slag-facing surface. Combined with the internal spinel-based slag-locking and deformation buffer defense lines, a gradient synergistic defense is achieved. This invention is completely chromium-free and environmentally friendly, completely eliminating the pain point of high-temperature slag adhesion and spalling, extending its service life to 40 heats, and is suitable for large-scale adaptation to special steel continuous casting conditions.

The invention relates to the technical field of full mold casting, and provides a lost foam casting method for a thin lower mold insert type casting, which comprises the following steps of: firstly, processing a foam model, and carrying out quantity increasing, hole processing and connecting rib adding on the foam model to prevent the defects of deformation and shrinkage porosity of a shrinkage cavity; then the model is placed on an anti-deformation support which is provided with a check block and has the thickness of 50-100 mm, and deformation generated in the molding sand burying process is avoided; then a bottom pouring type pouring system is arranged, one inner pouring gate is arranged at the thin position of the model, the inner pouring gate keeps away from the drilling position, a straight pouring gate is arranged at the end, and it is guaranteed that molten iron is rapidly and stably filled into the model; then, CAE simulation is carried out, defects are eliminated, positions where shrinkage cavities and shrinkage porosity possibly occur are positioned, sand isolation chillers and inner chillers are arranged, the chilling effect is enhanced, and shrinkage cavities and shrinkage porosity are avoided; then carrying out shower coating operation, drying and then reinforcing; then modeling is conducted, and pouring is conducted after modeling; and then stress relief annealing is carried out, and finally shot blasting is carried out to remove redundant paste.

The utility model relates to the technical field of spray coating treatment, in particular to a spray coating treatment device. Comprising a cylinder body, a group of bearing plates which are vertically arranged at intervals are arranged in the cylinder body, drainage holes are formed in the bearing plates, the diameters of the drainage holes are sequentially increased from top to bottom, the device further comprises a spray-washing mechanism and a flushing mechanism, and the spray-washing mechanism is located above the bearing plates and used for spraying washing liquid; the washing mechanism comprises a washing head corresponding to the bearing plate and is used for washing the workpiece, through the combination of spray washing and washing, washing liquid and impurities are mixed and then flow through drainage holes, the drainage holes with different hole diameters are used for improving the washing effect, meanwhile, the residual washing liquid is removed, and the device is further provided with a sewage draining outlet, an inspection opening and a liquid draining opening. And the washing liquid is convenient to discharge, observe and recycle, so that the coating quality is improved and the consumption of the washing liquid is reduced.

The invention discloses a preparation method of a high-quality perovskite thick film for an X-ray detector, and relates to the technical field of radiation detection materials and devices. The preparation method of the thick film comprises the following steps: preparing a precursor solution from lead iodide, cesium iodide, formamidine iodide, methylamine iodide, 4-guanidinobenzoic acid hydrochloride, N, N-dimethylformamide and acetonitrile; a bulk phase functional additive is introduced to optimize a large number of Schottky defects at the grain boundary of the perovskite thick film; depositing onto a heated conductive glass substrate using a spray coating technique; and in combination with a low-temperature solvent atmosphere annealing process, secondary growth of crystal grains and grain boundary healing are promoted, and a large-area polycrystalline thick film can be obtained.

The invention belongs to the technical field of energy materials, and discloses a preparation method of a zinc-based porous organic polymer coating and application of the zinc-based porous organic polymer coating to protection of a zinc negative electrode. Reaction raw materials of the zinc-based porous organic polymer provided by the invention are cheap soluble zinc salt and pyromellitic acid, and the zinc-based porous organic polymer is obtained through a one-step solvothermal reaction. Polyvinylidene fluoride (PVDF) is adopted as a binder, and Zn-POPs is loaded on the surface of the zinc negative electrode in the modes of spin coating, blade coating, spray coating and the like. According to the Zn-POPs protective coating provided by the invention, the concentration distribution of zinc ions on an interface can be dynamically regulated and controlled by an unsaturated coordinate bond, and a dendrite-free zinc negative electrode is realized. Meanwhile, the coating can isolate direct contact between the electrolyte and the negative electrode, so that corrosion of the zinc negative electrode and generation of byproducts are reduced; when the coating is applied to a symmetric battery and a total battery, the battery can show low polarization voltage and stable cycle performance, the advantages of the coating are further highlighted, and subsequent large-scale industrial production can be expected.

A curable composition for spray coating contains 100 parts by weight of a polyalkylene oxide-based polymer (A) having a reactive silicon group, 10 to 50 parts by weight of a hydrocarbon-based diluent (B), 30 to 90 parts by weight of a plasticizer (C) which is a dicarboxylic acid ester containing a cyclic hydrocarbon group, and 0.6 to 7 parts by weight of a polyamide-based rheology modifier (D). A cured film is produced by spraying the above curable composition on the surface of a substrate and curing it.

The utility model relates to the technical field of particle processing, and discloses a device for producing liquid sprayed outside particles, which comprises a bottom plate, a mixing drum is fixedly connected to the rear part of the left side of the bottom plate, a motor is fixedly connected to the top of the rear side of the mixing drum, and the output end of the motor is fixedly connected with a circular gear I; a chain is connected to the outer wall of the first circular gear in a meshed mode, a second circular gear is fixedly connected to the other side of the chain, a transmission shaft is fixedly connected to the middle of the second circular gear, a supporting frame is fixedly connected to the outer wall of the transmission shaft, and stirring rods are fixedly connected to the left side and the right side of the supporting frame. In order to achieve uniform stirring of spraying liquid, the motor drives the first circular gear to rotate, then the stirring rods and the stirring blades are driven to rotate through the chain, the second circular gear, the transmission shaft and the supporting frame, the supporting frame rotates to drive the scraping blocks to scrape the inner wall of the stirring barrel, liquid adhesion is prevented, and the working efficiency is improved.

A split volute for a centrifugal pump is disclosed that provides a manufacturing advantage by improving the yield of high-chrome iron casting, providing for full surface coating capability using line-of-sight spray coating systems. Performance improvements include improved pump efficiency, abrasion resistance, and volute lifetime. Additional operational cost savings are enabled through reduced time required for common volute maintenance procedures and an increased replacement interval for the volute. Taken together, these advantages reduce the total cost of ownership of the split volute pump system.

Methods, compositions, and composition packages are described for the spray coating of a membrane for waterproofing concrete tunnel applications. After the primer coating is applied to a tunnel surface, the coating composition is sprayed to form a membrane, and then concrete is poured or sprayed against the membrane to bond to it. The coating compositions comprise two or more acrylate monomers, as well as an initiator, an accelerator, and an optional additive. Preferably, the coating composition is prepared using a two-part package, one part containing the initiator, the other the accelerator, and each part containing the monomers and optional additives, so that the two parts can be shipped to the application site and mixed in a 1:1 ratio during spraying.The waterproofing coating composition provides excellent adhesion to concrete.

The invention belongs to the technical field of high-performance aluminum alloy surface functional coatings, and discloses an aluminum alloy composite wear-resistant coating and a preparation method thereof.The method comprises the steps that the surface of an aluminum alloy matrix is pretreated, so that the surface is clean and dry; through a laser-assisted cold spraying method, dry aluminum alloy powder is sprayed on the surface of the pretreated aluminum alloy matrix, and a laser-assisted cold spraying coating is formed on the surface of the aluminum alloy matrix; a laser-assisted cold spraying coating is polished, cleaned and dried, then micro-arc oxidation treatment is carried out, an Al2O3-based ceramic wear-resistant coating is formed on the surface layer of the laser-assisted cold spraying coating, then cleaning and drying are carried out, and the aluminum alloy composite wear-resistant coating is prepared on the surface of an aluminum alloy matrix. Through the synergistic effect of the two technologies of laser-assisted cold spraying and micro-arc oxidation, the surface friction performance of the aluminum alloy is remarkably improved, and the high requirements of the fields of mechanical manufacturing, aerospace and the like for the wear resistance of aluminum alloy components are met.

The application discloses a kind of based on cylindrical surface variable pose spray coating thickness prediction modeling method, it is related to signal processing technical field.Step one: establish three-dimensional model of spray gun cap and control domain based on cylindrical surface static spraying, carry out numerical simulation experiment and collect numerical simulation experimental data;Step two: data analysis, analyze the coating film thickness law under the variable pose spraying of different cylindrical diameter, obtain the adjustable range of variable pose spray gun;Step three: establish spray gun mathematical model, combined with the adjustable range of spray gun pose, carry out spraying experiment;Step four: collect experimental coating data, according to variable pose spray gun mathematical model, using Trust-Region optimization algorithm is fitted to experimental data, obtains cylindrical surface variable pose model to be identified parameter, carries out multiple linear regression analysis, obtains cylindrical surface variable pose spraying coating film thickness prediction model.

The utility model discloses a canvas bidirectional spraying protection device which comprises a machine shell, a feeding port and a discharging port are formed in the two sides of the outer wall of the machine shell respectively, a protection box is fixedly arranged in the machine shell, lifting plates are arranged at the upper end and the lower end of the outer wall of the protection box respectively, and a plurality of spraying heads are arranged on the two lifting plates respectively. First through grooves are formed in the upper end and the lower end of the protection box in a penetrating mode, second through grooves are formed in the two sides of the protection box, the multiple nozzles are communicated with hoses, a driving mechanism is arranged on the machine shell, two sealing mechanisms are arranged on the protection box, and an extraction mechanism is arranged on the machine shell. The heights of the two lifting plates and the multiple sprayers can be adjusted correspondingly, so that double-face paint spraying can be conveniently conducted on canvases with different thicknesses, harmful gas or particles generated in the paint spraying process can be prevented from leaking out of a first through groove through the arrangement of a sealing mechanism, and through the arrangement of an extraction mechanism, the paint spraying efficiency is improved. And finally, harmful gas or particles in the protection box can be pumped out.

The invention provides a coating machine for a vehicle, which can improve the cleaning performance of a pipeline in a coating head of a spraying mode even under low pressure. A coating machine for a vehicle is provided with: a supply path for supplying a coating material toward a spray coating head; a bypass flow path through which the paint in the supply path bypasses the coating head; a switching unit that switches the paint from the supply path between the head flow path and the bypass flow path; a supply unit that selectively supplies the cleaning liquid and air to the supply path; and a cleaning control unit that controls the switching unit and the supply unit so as to clean the coating head, the cleaning control unit supplies air in a supply state leading to the bypass flow path and in a state in which the supply path is filled with the cleaning liquid, and the cleaning control unit controls the switching unit and the supply unit so as to clean the coating head in a state in which the air and the cleaning liquid form two layers in the flow direction. The first three-way valve is switched to the head flow path side, and the cleaning liquid flows through the first three-way valve, so that the cleaning liquid in a gas-liquid mixed state is used for cleaning the coating head.

This utility model discloses a rotary drying integrated machine for strengthening the outer wall of pipes by spraying coating, including a drying chamber, a control chamber, a drying chamber door, a drying component, a rotating component, a hot air component, and an air outlet component. The control chamber is installed on the top of the drying chamber, and a control panel is nested on the front surface of the drying chamber. Heat dissipation base plates are installed on the two side walls of the drying chamber. The drying chamber door is installed on the front surface of the drying chamber via hinges. The hot air component and the air outlet component are installed inside the control chamber and are connected to each other. The rotating component is installed on the inner side wall of the drying chamber, and the drying component is installed on the output end of the rotating component. A water outlet pipe is connected to the bottom of the drying component. The heat dissipation base plates installed on the two side walls of the drying chamber can dissipate excess heat generated during the drying process, maintain a suitable working temperature inside the equipment, and ensure stable operation of the equipment.

The present invention provides a sol-gel photocatalytic clear coating composition comprising: (a) at least one aqueous solvent; (b) at least one photocatalyst precursor (TTIP); (c) at least one nonionic surfactant; (d) at least one epoxy silane; (e) at least one chelating agent; (f) at least one inorganic acid; (g) at least one inorganic salt; such compositions can be used with conventional means such as spray coatings, and ensure highly transparent photocatalytic coatings of very low thickness that can be applied on several substrates, which are stable over time, also have good weatherability, and have a relatively small amount of photocatalyst, which can be applied over time. And generally less than 10 wt%.

A profile rail for a floor of a vehicle has a base made of a first material and a top portion exposed during use of the profile rail in the floor of the vehicle. The top portion has a cold sprayed coating of a second material that is at least one of harder, more wear-resistant, or less corrosive as the first material. The top portion has a seat rail crown having a first hook element produced entirely from the second material.

The utility model provides spraying equipment, and relates to the technical field of robots. The spraying equipment comprises a spraying system, the spraying system comprises an up-down driving assembly, a sliding base assembly, a horizontal driving assembly, a crank arm assembly and a spraying gun, the sliding base assembly is in sliding fit with the up-down driving assembly in the up-down direction, and the up-down driving assembly is used for driving the sliding base assembly to move in the up-down direction; the horizontal driving assembly is in sliding fit with the sliding base assembly in the horizontal direction, and the sliding base assembly is used for driving the horizontal driving assembly to move in the horizontal direction. According to the spraying equipment provided by the utility model, the vertical driving assembly, the sliding seat assembly and the horizontal driving assembly are matched to drive the spraying gun to move up and down and horizontally, and the spraying gun can completely spray the surface of a workpiece to be sprayed in combination with the movement of the spraying device and the crank arm assembly; and compared with a six-degree-of-freedom mechanical arm structure, the number of degrees of freedom of the system is reduced, the structure of the mechanical arm is simplified, and the production cost is reduced.

This invention discloses a spray coating device for processing sliding guide pillars, including a processing box, a spray gun, a guide pillar body, and an opening / closing door. The opening / closing door is rotatably installed at an opening on one side of the processing box. A partition plate is horizontally fixedly installed near the bottom inside the processing box, and a bottom clamping component is embedded in the partition plate. The bottom clamping component includes two sets of clamping rods. This invention integrates a mechanism in the bottom clamping component that drives the movable support plate to move using an adjusting screw, making the clamping and centering adjustment of the guide pillars simpler and more precise. Combined with a protective cover to protect the transmission components, and by setting an air extraction component linked to the spray gun and a specifically shaped air cover body, a directional negative pressure airflow can be formed near the spray coating point, timely and efficiently collecting the paint mist generated during spray coating, preventing it from drifting and settling on the processed surface. This solves the problem of secondary pollution of the coating surface by paint mist from the source, improving the product's appearance and performance.

The invention discloses a spraying and coating material adding device and an electric arc spraying material adding method in the technical field of surface spraying material adding. The spraying and coating material adding device comprises a spraying pipe, a blocking cover and a wire guiding mechanism. The upper end of the spray pipe is communicated with a high-pressure protective gas source; a spraying space is defined by the blocking cover on the outer side of the spraying pipe, the spraying end is arranged in the spraying space, the upper end of the blocking cover is connected with the spraying pipe, and the lower end of the blocking cover is provided with an air leakage edge capable of elastically deforming. The wire guiding mechanisms are arranged on the two sides of the spraying pipe in pairs and used for conveying the metal wires to the lower side of the spraying end. According to the spray coating additive material device, in the additive material spraying process, air in the inner space is exhausted, the high-purity protective gas atmosphere is maintained, oxidation and pollution are reduced, and the additive material efficiency and quality are improved. And a gap is formed between the elastically-deformed gas release edge and the surface of the base material so as to discharge gas, so that the loss of shielding gas can be reduced, the device is self-adaptive to the uneven surface of the base material, and the material adding efficiency is improved.

A method for preparing niobium carbide (MXene) micro supercapacitors using a spray coating method includes the following steps: Using an HCl-LiF mixture as an etchant, a few-layer Nb₂CT is prepared by hydrothermal reaction at 180℃ for 24 hours. x MXene dispersion; a spray mask with a hollowed-out interdigitated pattern is prepared using laser marking; the mask is adhered to a flexible substrate and placed on a 200℃ heating platform, with a spraying pressure of 0.2-0.5 MPa and a nozzle distance of 10-20 cm, and the dispersion is uniformly sprayed onto the hollowed-out areas of the mask. By controlling the number of spray passes, a binder-free patterned interdigitated electrode is directly formed; a PVA / H2SO4 gel electrolyte is prepared and coated onto the electrode surface, and after encapsulation, a flexible micro supercapacitor is obtained. This invention has a simple and controllable process, and the resulting device has high capacity, excellent flexibility, and long cycle stability, making it suitable for wearable electronic devices.

The application discloses a ladle carrying and shifting device, relates to the technical field of ladle carrying equipment, and is characterized in that two movable ladle carrying frames are arranged on a rail car, the ladle carrying frames are used to carry and position a ladle to be processed by means of a ladle seat and an ear shaft of the ladle, and the angle of the carried ladle can be flexibly changed by means of pushing and lifting cooperation; the ladle carrying and shifting device has the technical effects that the ladle carrying and shifting device has high applicability, can flexibly adjust the posture of the carried ladle as required after carrying the ladle, has low safety risk during use, and can assist in cleaning, hot repair, and efficient spraying coating operation.

The invention relates to a method for producing solid fertilizer particles and a fertilizer composition. The present invention provides a method for producing solid fertilizer particles, comprising the steps of spraying coated seed particles with a sprayable suspension comprising micronized elemental sulfur particles dispersed in a solution of a predominant macronutrient fertilizer to form a coating layer on the seed particles, and drying the coating layer to form a dry shell of the primary macronutrient fertilizer having the micronized sulfur particles dispersed therein. The invention also provides a fertilizer composition which comprises seed particles and a coating layer.

The utility model relates to a double-sided spraying device of a neodymium iron boron magnet, which comprises a half-surrounded spraying box and a spraying mechanism, and is characterized in that a Y-direction track is arranged on the bottom surface of the half-surrounded spraying box, a movable support is arranged above the Y-direction track, a turnable positioning disc is arranged on the movable support, the spraying mechanism is fixed on the top of the half-surrounded spraying box, and the spraying mechanism is fixed on the bottom of the half-surrounded spraying box. The left Y-direction linear module and the right Y-direction linear module are arranged on the top face of the positioning frame, the left Y-direction guide rod and the right Y-direction guide rod are arranged on the outer sides of the left Y-direction linear module and the right Y-direction linear module, and the rear X-direction linear module is connected between the left Y-direction linear module and the right Y-direction guide rod. The front X-direction linear module is connected between the right Y-direction linear module and the left Y-direction guide rod, the spray gun assembly is fixedly connected with a sliding block of the front X-direction linear module, and the compressed cold air blowing cylinder is fixedly connected with a sliding block of the rear X-direction linear module. The device is convenient to operate, meanwhile, the curing and shaping speed of the sprayed coating is increased, the coating effect is enhanced, and the coating quality is improved.