364 results about "Vitreous enamel" patented technology

The invention discloses a fluoride salt-free nitrate-free cast iron enamel semitransparent glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, sodium carbonate, potassium carbonate, calcium carbonate, potassium feldspar, zinc oxide, lithium carbonate, zirconium silicate, titanium dioxide, aluminum oxide, trisodium phosphate, antimony oxide, magnesium carbonate and barium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and low-temperature firing adaptability, and is suitable for cast iron matrixes, the firing temperature is 740-760 DEG C, and the firing time is 2-3 hours. The method can be used for producing green and environment-friendly enamel products.

The invention discloses an enamel plate surface defect detection method based on machine vision, and relates to the technical field of enamel plate surface defect detection. The method comprises the following steps: acquiring an original image of an enamel plate, and fusing the original image through a point-by-point optimal gray fusion method to obtain a real-time reflection suppression image; a defect-free reflection suppression image of the enamel plate is collected, matching analysis is conducted on the defect-free reflection suppression image and the real-time reflection suppression image through an improved PaDiM algorithm, a difference texture area is obtained, and coordinates of the difference texture area are recorded; in the difference texture area, two types of image features are extracted through a scale attention feature extraction method and fused, a real-time and standard fusion matrix is obtained, and a defect detection result is obtained through similarity matching; and converting the coordinates of the difference region to obtain a defect positioning result, calculating a defect comprehensive score based on a defect detection result, and grading to complete the surface defect detection of the enamel plate.

The invention discloses fluoride-salt-free and nitrate-free medium-temperature semitransparent glaze for steel plate enamel as well as a preparation method and application of the medium-temperature semitransparent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, potassium feldspar, anhydrous borax, sodium carbonate, titanium dioxide, monopotassium phosphate and zinc oxide according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 800-840 DEG C and the firing time of 20-30 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention discloses fluoride-salt-free and nitrate-free high-temperature acid-resistant translucent glaze for steel plate enamel as well as a preparation method and application of the translucent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, titanium dioxide, trisodium phosphate, potassium carbonate, lithium carbonate, aluminum oxide, zinc oxide and sodium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 840-880 DEG C and the firing time of 820-830 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention discloses fluoride salt-free and nitrate-free low-temperature matte glaze for steel plate enamel as well as a preparation method and application of the low-temperature matte glaze, and belongs to the technical field of enamel. The matte glaze is prepared from quartz, borax pentahydrate, sodium carbonate, titanium dioxide, magnesium oxide, monopotassium phosphate, calcium carbonate, zinc oxide, magnesium carbonate, lithium carbonate, aluminum oxide and zirconium silicate according to a specific mass ratio. The preparation method comprises the following steps: mixing the raw materials, melting at 1300 + / -10 DEG C in a pure oxygen environment, and quenching after wiredrawing to detect a molten state. The matte glaze completely avoids the use of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are eliminated from the source, the fluorine content of the product is not detected through detection, and the limit value requirements of European Union REACH regulations are met. Zinc oxide and ZnO / TiO2 are added, so that the liquid phase viscosity is reduced, ion diffusion is accelerated, and the opacity (opacification performance) and gloss of the porcelain glaze are enhanced.

The invention discloses a fluoride-salt-free and nitrate-free cast iron enamel zirconium white glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The zirconium white glaze is prepared from quartz, borax pentahydrate, magnesium carbonate, potassium carbonate, potassium feldspar, zinc oxide, aluminum hydroxide, calcium carbonate, zirconium silicate, sodium tripolyphosphate and lithium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The zirconium white glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, and meanwhile, the zirconium white glaze has good porcelain surface, luster and firing adaptability, is suitable for cast iron matrixes, has the firing temperature of 740-760 DEG C and the firing time of 87-87 hours, and can be widely applied to cast iron substrates. The method can be used for producing green and environment-friendly enamel products.

The invention discloses fluoride-salt-free and nitrate-free low-temperature pearlescent glaze for steel plate enamel as well as a preparation method and application of the pearlescent glaze, and belongs to the technical field of enamel. The pearlescent glaze is prepared from quartz, anhydrous borax, titanium dioxide, magnesium carbonate, sodium tripolyphosphate, potassium carbonate, lithium carbonate, potassium feldspar, zinc oxide and V-26 according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The pearlescent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the pearlescent glaze has good porcelain surface, luster and low-temperature firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 760-800 DEG C and the firing time of 10-20 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention discloses fluoride-salt-free and nitrate-free low-temperature acid-resistant translucent glaze for steel plate enamel as well as a preparation method and application of the translucent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, titanium dioxide, trisodium phosphate, potassium carbonate, lithium carbonate, aluminum oxide, zinc oxide and sodium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and low-temperature firing adaptability, and is suitable for steel plate substrates, the firing temperature is 760-800 DEG C, and the firing time is 2-3 hours. The method can be used for producing green and environment-friendly enamel products.

The invention belongs to the technical field of enamel glaze, and particularly relates to enamel glaze based on transient template in-situ reaction and a preparation method and application thereof. The enamel glaze is prepared by mixing basic enamel glaze slip and a core-shell structure functional precursor, wherein the basic enamel glaze slip is water suspension prepared by mixing and grinding basic enamel frits and auxiliaries; the core-shell structure functional precursor is inorganic composite powder, and the original structure of the core-shell structure functional precursor is as follows: silicon nitride micron particles are used as a core, and a layer of Y-Zr-Ti composite oxide is coated on the surface as a shell. According to the invention, a real chemical bonding strong interface is realized, and a firm chemical bond is constructed in situ between a reinforced phase and a glass matrix by using a high-activity oxide shell layer as a solder in a final sintering stage. The problem that an interface is weak in traditional physical blending is fundamentally solved, and stress can be effectively transmitted from a matrix to a high-strength reinforced phase.

The invention belongs to the technical field of talc, and provides a method for detecting fluorescent substances in talc raw ore, which comprises the following steps: S1, carrying out ball milling on the talc raw ore in a ball mill, sieving to obtain sieved powder, and adding deionized water into the sieved powder to obtain slurry; s2, adding the slurry into the mixture to enable the pH value of the slurry to be 5, stirring, and standing in a water bath for 2-3 hours to obtain a first precipitate; s3, adding a thiourea-ascorbic acid solution into the first precipitate to obtain a second precipitate; and S4, carrying out secondary ball milling on the second precipitate, and spreading the second precipitate in an enamel plate to detect whether the talc raw ore contains the fluorescent substances or not. The hydrochloric acid can dissolve quartz and mica to avoid generation of background fluorescence or quenching effect, and the nonionic surfactant polyethylene glycol can be adsorbed on the surface of the mineral to reduce interfacial tension, so that the hydrochloric acid is easier to infiltrate tiny pores, the pit defect caused by local over-corrosion is reduced, the pickling uniformity is improved, and the detection sensitivity is improved.

The utility model discloses a full-closed enamel furnace which comprises a closed enamel furnace assembly, a closed enamel furnace body and a closed enamel furnace body. The containing and cleaning assembly comprises a telescopic rod, a placement plate, a stop lever, a guide rail, a sliding block and a push plate; the two telescopic rods are fixed to the two sides of the bottom end in the furnace cavity respectively, the containing plate is fixed between the top ends of the telescopic rods, the stop rods are arranged in one set and placed in the center of the top end of the containing plate at equal intervals, the guide rails are fixed to the two sides of the containing plate, the sliding blocks are slidably connected to the surfaces of the guide rails, and the push plate is fixed between the opposite ends of the sliding blocks. By arranging the containing and cleaning assembly, each drying object can be limited, the objects to be dried are prevented from colliding with one another due to the impulsive force of movement of the track, the push plate can move on the placing plate, so that the push plate cleans and pushes a coating on the placing plate, cleaning of the accumulated coating is achieved, the cleanliness of the interior of the furnace chamber is kept, and the drying efficiency is improved. And artificial participation is not needed.

The utility model discloses a kind of water heater inner container casted porcelain coil fixing device, including water heater inner container and inside spiral casted porcelain coil.The coil of spiral casted porcelain coil is externally equipped with the pull bar of multiple surface casted porcelain, pull bar is evenly distributed along the coil spiral direction vertically, and its bottom is equipped with metal welding portion;Spiral casted porcelain coil below is provided with integrally-formed connecting rod, including sequentially connected first connecting section, second connecting section and U-shaped bending section arranged obliquely.The U-shaped bending section is fixedly connected with the metal welding portion of pull bar bottom, and the first connecting section is fixedly connected with connecting rod fixed seat arranged on the inner wall of water heater inner container.The utility model is through the middle part auxiliary support system of pull bar and connecting rod composition, and the fixed point of coil two ends jointly constitute stable multi-point linkage rigid structure, effectively inhibit the swing and stress in the process of transportation and use, prevent the porcelain explosion of welding portion and base material cracking, improve the reliability and service life of product.

The large-swing high-performance sealing device comprises a shaft piece, a shaft sleeve is fixedly sleeved outside the shaft piece, a kettle opening flange is sleeved outside the shaft sleeve at intervals, and more than two groups of sealing assemblies are stacked between the shaft sleeve and the kettle opening flange along the axial direction; each single sealing assembly comprises a ring seat, an outer sealing ring is pressed between the outer circumferential wall surface of the ring seat and the kettle opening flange, a gap is formed between the inner circumferential wall surface of the ring seat and the shaft sleeve, a polytetrafluoroethylene ring is coaxially pressed on the end surface of the ring seat, and the inner wall surface of the polytetrafluoroethylene ring is tightly attached to the outer wall surface of the shaft sleeve; the gas storage ring is assembled between the two sealing assemblies and is coaxially arranged, a gas nozzle which outwards penetrates through the kettle opening flange and is communicated with an external gas source is assembled on the gas storage ring, a gap is formed between the inner circumferential wall surface of the gas storage ring and the shaft sleeve to form a gas storage space, and gas is stored into the gas storage space through the gas nozzle to form a gas layer; in actual use, the inner wall face of the polytetrafluoroethylene ring is attached to the shaft sleeve and combined with the gas layer to form sealing between the shaft sleeve and the kettle opening flange, gas isolation can be guaranteed, and the sealing structure is particularly suitable for the using situation of a large-swing enamel shaft.

The application discloses a built-in radio frequency antenna for a radio frequency negative hydrogen ion source and a manufacturing process, the radio frequency antenna has 2.5-3.5 turns, and the average loop diameter is 58mm; the coating of the built-in radio frequency antenna is an enamel structure, when the enamel structure simultaneously satisfies the conditions that the coating thickness is 0.6-0.7mm, the relative dielectric constant is less than 30, and the coating resistivity is greater than 45000Ω.cm, the warping voltage is close to 0; the process method comprises the following steps: manufacturing a sheet-shaped porcelain enamel; covering layer dipping; drying the copper antenna with the covering layer; firing the finished product; putting the dried copper antenna with the glaze into a melting furnace for firing and heat preservation; taking out the finished product and cooling to normal temperature. The steps (2) to (4) are repeated until the thickness of the glaze layer reaches about 0.6-0.7mm. The application effectively solves the problem of plasma back-bombing antenna, and the enamel coating is adopted, so that the cost is low, the manufacturing is simple, the material is solid, and the adhesion, impact resistance and thermal shock resistance are excellent.

The application discloses a cast iron enamel high-temperature matte glaze without fluorinated salt and nitrate, and a preparation method and application thereof, and belongs to the technical field of enamel. The matte glaze is prepared from quartz, borax pentahydrate, titanium dioxide, sodium carbonate, calcium carbonate, barium carbonate, aluminum oxide, sodium tripolyphosphate, potassium carbonate and lithium carbonate according to specific mass proportions. The preparation comprises raw material mixing, smelting at 1300+ / -10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the smelting state. The matte glaze completely avoids the use of fluorinated salt and nitrate, eliminates the problems of fluoride emission and environmental protection equipment blockage from the source, and the fluorine content of the product is not detected through detection, thereby meeting the limit value requirements of the EU REACH regulation. Meanwhile, the matte glaze has good enamel surface, excellent firing performance and matte performance, is suitable for a cast iron substrate, has a firing temperature of 780-800 DEG C, and can be used for the production of green and environmentally-friendly enamel products.

The utility model discloses a quick switch feeding device, which relates to the technical field of enamel reaction kettles and comprises a connecting flange, a quick feeding component is mounted at the top of the connecting flange in a penetrating manner, and the quick feeding component is convenient for adding materials into the enamel reaction kettles. The rapid feeding assembly comprises a feeding pipe, a feeding opening, a switch cover and clamping assemblies, the feeding pipe is installed at the top of the connecting flange in a penetrating mode, the feeding opening is formed in the top end of the feeding pipe, the switch cover is installed at the top of the feeding opening through a hinge, and the clamping assemblies are symmetrically installed on the outer side of the feeding pipe; the clamping assembly is used for fixing the switch cover to the top of the feeding port. According to the utility model, the connecting rod is pulled outwards through the pull ring, and the switch cover is not limited by the positioning groove any more, so that a worker opens the switch cover through the switch ring and can directly add materials from the feeding port, and the feeding port of the enamel reaction kettle is more convenient to open.

The utility model relates to the technical field of enamel product processing, and discloses a multi-dimensional enamel shaft material spraying coating device which comprises a box body, an enamel product and a working plate, a driving assembly is arranged at the bottom of the box body, coating assemblies are arranged at the bottom and on the two sides of the box body, a clamping assembly is arranged in the working plate, and the clamping assembly is arranged on the working plate. The enamel product is arranged on the top of the working plate, a drying assembly is arranged on the top of the inner wall of the box body, and coating assemblies are arranged on the two sides of the inner wall of the box body and located on the two sides of the drying assembly. By arranging the coating assembly and cooperating with rotation of the working plate, the surface of the enamel product is sprayed, the problem that the working efficiency is reduced due to continuous consumption of physical strength of workers is avoided, the working efficiency is improved, the productivity is further increased, and the practicability of the equipment is improved; and through the arrangement of the coating assembly, feeding can be conveniently conducted on a spray gun in the coating assembly, and normal operation of work is guaranteed.

The application discloses a cast iron enamel low-temperature ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is prepared from quartz, zero-water borax, soda ash, potassium carbonate, barium carbonate, potassium feldspar, magnesium carbonate, copper oxide, manganese oxide, aluminum oxide and recycled ternary battery positive electrode material according to specific mass proportions. The preparation comprises raw material mixing, smelting at 1230±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the smelting state. The ground glaze completely avoids the use of fluorinated salt and nitrate, eliminates the problems of fluoride emission and environmental protection equipment blockage from the source, the fluorine content of the product is not detected, and the limit value requirement of the EU REACH regulation is met. Meanwhile, by introducing the recycled ternary battery material, the adhesion of the ground glaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The application discloses a steel plate enamel medium-temperature cobalt-nickel ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is prepared according to specific mass proportions of quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, copper oxide, iron oxide and recovered ternary battery positive material iron oxide. The preparation comprises raw material mixing, smelting at 1260±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of a molten state. The ground glaze completely avoids the use of fluorinated salt and nitrate, eliminates fluorine emission and environmental protection equipment blockage problems from the source, the fluorine content of the product is not detected, and the product meets the limit value requirements of the EU REACH regulation. Meanwhile, by introducing the recovered ternary battery material, the adhesion of the ground glaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

A coated cooking element for a cooking utensil or electrical cooking appliance includes a metal substrate coated on at least one face with at least the following layers and in this order proceeding from the metal substrate: an enamel base layer, optionally one or more intermediate layers having of one or more coloring agents and optionally one or more silicone resins, and / or one or more thermoplastic polymers, and / or one or more fillers, and / or one or more additives, a finishing layer that is to come in contact with food and consists of one or more silicone resins and optionally one or more thermoplastic polymers, and / or one or more fillers, and / or one or more additives, and / or flakes. The invention also relates to a process for manufacturing said cooking element.

The invention discloses fluoride-salt-free and nitrate-free high-temperature semitransparent glaze for steel plate enamel as well as a preparation method and application of the high-temperature semitransparent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, potassium feldspar, borax pentahydrate, sodium carbonate, titanium dioxide, sodium tripolyphosphate and zinc oxide according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 840-880 DEG C and the firing time of 820-830 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention discloses fluoride-salt-free and nitrate-free medium-temperature acid-resistant translucent glaze for steel plate enamel as well as a preparation method and application of the translucent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, titanium dioxide, trisodium phosphate, potassium carbonate, lithium carbonate, aluminum oxide, zinc oxide and sodium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 800-840 DEG C and the firing time of 20-30 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

This utility model provides an enamel-lined reactor with an anti-clogging structure, including a reactor body; a discharge port is provided at the bottom of the reactor body; a lifting mechanism is installed at the top of the reactor body, and a round rod is fixed at the bottom of the lifting mechanism, extending into the reactor body, with a tamping disc connected to the bottom end of the round rod via a locking mechanism; the tamping disc is located above the discharge port; the locking mechanism consists of multiple telescopic rods; the multiple telescopic rods are arranged in a circular array at the bottom end of the round rod, and a connecting sleeve is fixed at the center of the top of the tamping disc, and the connecting sleeve is inserted into the bottom end of the round rod, with a positioning hole on the inner wall of the connecting sleeve for the insertion of the end of the telescopic rod; the telescopic rod is connected to a pumping mechanism. When the discharge port is blocked by large pieces of material, the lifting mechanism can drive the round rod and the tamping disc to move downwards, pushing the blockage in the discharge port through the tamping disc until the tamping disc moves below the gate valve, realizing the automatic discharge of the blockage without manual cleaning.

The application discloses a steel plate enamel high-temperature acid-resistant ground enamel free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground enamel is composed of quartz, titanium white powder, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, lithium carbonate, copper oxide, iron oxide and recycled ternary battery positive material according to specific mass proportions. The preparation comprises the steps of raw material mixing, high-temperature smelting under pure oxygen condition, wire drawing detection and rapid cooling. The ground enamel is completely free of fluorinated salt and nitrate, avoids fluorine emission and environmental protection equipment blockage problems from the source, the fluorine content of the product is not detected through detection, and the product meets the requirements of the EU REACH regulation. Meanwhile, by introducing the recycled ternary battery material, the adhesion of the ground enamel is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The present disclosure relates to an enamel composition, a method for preparation thereof, and a cooking appliance using the same, which provide excellent cleaning performance, reduce a defect caused by carbon gases when an enamel coating is implemented on a base material made of cast iron, and provides excellent thermal shock resistance and durability. In the enamel composition according to the disclosure, components implementing glass and components having catalytic performance have an optimal component system, thereby ensuring excellent thermal shock resistance and durability. The enamel composition of the present disclosure has a component system that helps enamel cast iron as well as low carbon steel, thereby ensuring excellent cleaning performance, thermal shock resistance and durability. The enamel composition of the present disclosure is appropriate for a cooktop grate, a hob burner, and the like which directly contact a fire and are exposed to repetitive thermal shock.

The utility model belongs to the enamel technical field, concretely relates to a kind of automatic dip-coating equipment, including the feeding conveyor device, transfer dip-coating device, soaking device and discharging conveyor device sequentially arranged along the conveying direction;Soaking device is equipped with soaking cavity;Transfer dip-coating device includes dry lifting drive mechanism, transfer conveying mechanism and clamping mechanism;Dry lifting drive mechanism is connected to transfer conveying mechanism;Clamping mechanism is connected to dry lifting drive mechanism;The clamping end of clamping mechanism is arranged between soaking cavity and feeding conveyor device;And the clamping end of clamping mechanism is arranged between discharging conveyor device and soaking cavity.The utility model can reduce manual enamel soaking and manual feeding and discharging operation, and is favorable to ensure the completeness of enamel dip-coating;Therefore, it is favorable to improve enamel dip-coating quality and operation efficiency.

The invention relates to a powder coating application pump comprising three suction pressure chambers (EB1, EB2, EB3) for a thermosetting / thermoplastic / enamel powder coating coating process. In addition to having a regular flow of paint, the invention also allows precise control of powder paint. Although the three suction chambers (EB1, EB2, EB3) in the invention operate with the same work cycle (WT), the start times of these cycles are different from each other. When the first pressure suction chamber (EB1) starts to operate at the moment T = 0, the second pressure suction chamber (EB2) starts to operate after one third of the work cycle (T = WT / 3), and the third pressure suction chamber (EB3) starts to operate after two thirds of the work cycle (T = 2WT / 3).

The present invention relates to an enamel paste, a method for forming an enamel coating using said enamel paste, an enamel-coated substrate obtainable or obtained by said method, and the use of said enamel-coated substrate as a decorative and / or functional article in the fields of automotive, marine, aerospace, consumer electronics, laboratory ware and tableware, pharmaceutical packaging, architecture, and information technology.

The utility model belongs to the technical field of enamel processing and enameling equipment, and particularly relates to efficient enamel processing and enameling equipment which comprises a bottom frame, a turn-over mechanism, a first spraying mechanism and a second spraying mechanism are arranged above the bottom frame, and the turn-over mechanism comprises two fixing plates which are fixedly connected to the upper end face of the bottom frame and distributed front and back. A rotating shaft is rotationally connected between the two fixing plates, the outer wall of the rotating shaft is fixedly connected with an overturning plate, a U-shaped groove is formed in the upper end of the overturning plate in a penetrating mode, electric push rods are installed at the front end and the rear end of the overturning plate, and the output ends of the two electric push rods penetrate through the overturning plate and are fixedly connected with clamping plates; the first spraying mechanism comprises a first support fixedly connected to the rear end of the bottom frame, and a first air cylinder is installed at the upper end of the first support. According to the enameling machine, the cylindrical blank can be turned over automatically, the inner wall and the outer wall of the blank can be enamelled conveniently, and the enameling efficiency is improved.

The utility model relates to the technical field of reaction kettles, in particular to a horizontal enamel reaction kettle for producing an oil and gas gathering and transportation pour point depressant. The horizontal enamel reaction kettle for producing the oil and gas gathering and transportation pour point depressant comprises a kettle body, a bearing assembly for supporting the kettle body is arranged below the kettle body, and a mixing assembly for stirring pour point depressant raw materials is arranged in the kettle body. According to the horizontal enamel reaction kettle for producing the oil and gas gathering and transportation pour point depressant, in the using process, the kettle body can be controlled to rotate firstly so as to poke raw materials in the kettle body for the first time, and in the process, buffer blades in the mixing assembly can be controlled to rotate reversely so as to poke the raw materials for the second time; therefore, bidirectional stirring and mixing of the raw materials can be realized at the same time, and the mixing efficiency of the device in use can be improved.