10 results about "Iron oxide yellow" patented technology

A system for producing iron oxide yellow from coal gangue leachate comprises a first reaction tank, a second reaction tank, a mixing tank and a filter press, a first inlet and a second inlet are formed in the top of the first reaction tank, a first pipeline is arranged at the bottom of the first reaction tank to supply materials to the second reaction tank, a second pipeline is arranged to supply materials to the mixing tank, and a third inlet and a fourth inlet are formed in the top of the second reaction tank. A first aeration pipe is arranged in the second reaction tank, an overflow pipe is arranged on the side wall of the second reaction tank, a fifth valve is arranged to control opening and closing, a third pipeline is arranged at the bottom of the second reaction tank to supply materials to the mixing tank, a fifth inlet is formed in the top of the mixing tank, a second aeration pipe is arranged in the mixing tank, and a fourth pipeline is arranged at the bottom of the mixing tank to supply materials to the filter press; a fourth valve is arranged on the fourth pipeline, and a solid-phase discharge port of the filter press is used for discharging iron oxide yellow outwards. The device is simple in structure and low in production cost, and can effectively avoid environmental pollution on the basis of improving the utilization value of the coal gangue leachate.

This application belongs to the technical field of building repair materials, and particularly relates to a red brick restoration agent and its restoration method. The red brick restoration agent is composed of the following components by weight: 30-40 parts polymer dry powder mortar, 8-12 parts aldehyde-free alcohol adhesive, 0.1-0.3 parts iron oxide red powder, 0.05-0.15 parts iron oxide yellow powder, and 8-12 parts clean water. This restoration agent, through the synergistic effect of "nano-mineral color matching + polymer micro-reinforcement + aldehyde-free alcohol adhesive bonding," enables the repair layer to be "integrated" with the old brick in four dimensions: visual appeal, mechanical properties, durability, and environmental friendliness, achieving "original appearance restoration and lifespan extension."

The invention provides an acrylic polyurethane coating composition for a wet-on-wet process and a preparation method of the acrylic polyurethane coating composition. The composition consists of a floating coat and a finishing coat, the main agent in the finish paint is prepared from the following components in parts by weight: 35 to 40 parts of hydroxypropyl resin, 1 to 3 parts of propylene glycol methyl ether acetate, 1.3 to 3.5 parts of S-100A, 1 to 3 parts of BYK163, 0.1 to 0.6 part of polyethylene wax, 0.5 to 1.4 parts of pigment yellow No.83, 3.5 to 4.5 parts of titanium dioxide, 2 to 6 parts of superfine precipitated barium sulfate, 12 to 18 parts of iron oxide yellow, 4.1 to 8 parts of butyl acetate, 14 to 18 parts of hydroxypropyl resin, 0 to 8 parts of hyperbranched polyester, 0.2 to 0.7 part of BYK358, 0.02 to 0.1 part of BYK300, 0.2 to 0.6 part of Tinuvin292, 0.6 to 1 part of Tinuvin1130 and 0.2 to 0.6 part of 10 percent DBTDL. According to the invention, the paint film meets the requirements of mechanical properties, and the overall appearance of the paint film is improved.

The invention relates to the technical field of grinding machines, in particular to a heat-resistant iron oxide yellow pigment particle energy-saving fine grinding machine which comprises a shell, a crushing hopper is arranged at the upper end in the shell, a crushing roller is arranged in the crushing hopper, the crushing roller is connected with an upper driving assembly for driving the crushing roller to reciprocate, and a plurality of discharging holes are formed in the bottom of the crushing hopper. A cleaning assembly for preventing the discharge hole from being blocked is arranged in the shell below the crushing hopper, a receiving hopper is arranged in the shell, an opening and closing assembly is arranged in the shell below the receiving hopper, a left grinding roller and a right grinding roller are rotationally connected in the shell below the opening and closing assembly, and the left grinding roller and the right grinding roller are connected with a lower driving assembly; the lower driving assembly is connected with the cleaning assembly through the transmission assembly, and a downward pressing assembly for assisting rapid grinding is connected into the material receiving hopper, rapid crushing and grinding of iron oxide yellow pigment particles are achieved, blockage of a discharging hole is avoided, energy is saved, and the iron oxide yellow pigment particle crushing and grinding device has wide application prospects in the technical field of grinding machines.

This utility model relates to the field of iron oxide yellow production technology, and discloses a feeding device for producing low-sulfur iron oxide yellow. The device includes a support frame, a weighing mechanism on the inner side of the support frame, a pad at the bottom of the support frame, and multiple support legs fixedly connected to the top left side of the pad. The tops of the multiple support legs are fixedly connected to the same storage tank, and the storage tank has an anti-blocking mechanism inside. The weighing mechanism includes a fulcrum rod, which is fixedly connected to the middle of the inner side of the support frame. A balance rod is rotatably connected to the outer wall of the fulcrum rod. In this utility model, when the weights at both ends of the balance rod are equal, a trigger switch is activated to close the electric valve, and cylinder two is activated, causing the balance rod to rotate 90 degrees. Subsequently, cylinder one is activated to push the moving block to slide, causing the opening and closing plate to move to both sides of the material container, allowing the material inside the container to fall downwards, thus achieving a quantitative feeding process.

The invention belongs to the field of solid waste treatment, and particularly relates to a method for separating iron, aluminum and chromium in serpentine neutralized iron slag, which comprises the following steps: mixing the serpentine neutralized iron slag with acid liquor for acid treatment; directly carrying out reduction treatment on the slurry subjected to acid treatment, so that ferric ions in the slurry are reduced into ferrous ions; then carrying out solid-liquid separation to obtain a reduction solution containing ferrous iron, aluminum and chromium; the method comprises the following steps: dropwise adding a reducing solution serving as a titration solution A and magnesium oxide slurry serving as a titration solution B into a base solution based on a double titration mode for impurity removal and precipitation treatment, and then carrying out solid-liquid separation to obtain a ferrous purified solution and impurity-removed slag enriched with aluminum and chromium. According to the method, selective separation of iron, aluminum and chromium can be achieved, and high-quality iron oxide yellow can be obtained.

The invention discloses a preparation method of a hydrophobic colorful coating, which comprises the following steps: step 1, base material pretreatment: cleaning the surface of a calcium silicate board until no oil stain or floating ash exists, and carrying out sealing treatment by using an alkali-resistant sealing primer; step 2, preparation of a colorful functional layer: mixing protective glue magnesium lithium silicate (2wt%), aqueous acrylic emulsion EQ143 (40wt%), aqueous color paste iron oxide red, iron oxide yellow, carbon black (2wt%), kaolin (2wt%), an aqueous dispersant SN-5040 (0.5 wt%), texanol (1wt%), propylene glycol (0.5 wt%) and deionized water (52wt%), granulating to prepare an aqueous colorful coating, and spraying and drying to prepare the colorful stone-like coating; and 3, constructing a hydrophobic layer: preparing the super-hydrophobic surface composite coating with a secondary structure by adopting micron and nano silicon dioxide. The hydrophobic colorful coating prepared by the preparation method of the hydrophobic colorful coating provided by the invention is excellent in hydrophobic performance (the contact angle reaches 162.5 degrees) and strong in pollution resistance; and the stone imitation effect is vivid.

The invention relates to the technical field of wood coloring agents, in particular to the technical field of research and development of dye / pigment mixed type wood coloring agent products, and particularly relates to a coloring agent containing 2-methyl resorcinol and a preparation technology of the coloring agent. 3-8 parts of iodopropyl functionalized iron oxide yellow; 0.3 to 1 part of copper phthalocyanine; the adhesion function modifier is a multifunctional 2-methyl resorcinol derivative containing a vinyl sulfone functional group and a secondary amine functional group; 25-30 parts of a filler; 1-3 parts of a composite additive; 0.5 to 1.5 parts of hydroxyethyl cellulose; and 30-40 parts of deionized water. The adhesive force of the prepared coloring agent on a wood base material reaches 0 level, and the coloring agent shows excellent adhesion performance.

The invention relates to the technical field of protective coatings, in particular to an antibacterial coating for a vehicle chassis and a preparation method of the antibacterial coating. The antibacterial coating for the vehicle chassis is prepared from the following components in parts by weight: 30 to 50 parts of acrylic emulsion, 10 to 20 parts of a compound additive, 6 to 10 parts of nano calcium carbonate, 2 to 5 parts of silicon carbide, 2 to 4 parts of carbon black, 1 to 2 parts of bentonite, 2 to 3 parts of nano zinc oxide, 2 to 3 parts of dipropylene glycol butyl ether, 3 to 5 parts of tetraphenyl bisphenol-A-diphosphate, 0.6 to 1.2 parts of zinc strontium phosphate and 0.8 to 1.5 parts of iron oxide yellow. The coating is prepared from the following components in parts by weight: 0.2 to 0.5 part of 2-methyl-4-isothiazolin-3-ketone, 0.5 to 1 part of a flatting agent, 0.6 to 1.2 parts of a wetting agent, 0.5 to 1 part of a defoaming agent, 0.3 to 0.8 part of a dispersing agent and 10 to 20 parts of water. The antibacterial coating prepared by the invention not only has excellent antibacterial performance, but also has excellent wear resistance, so that the wear resistance of the vehicle chassis is effectively improved, and the probability that the vehicle chassis is scratched is reduced; and meanwhile, microbial erosion in a humid environment can be resisted, the durability and reliability of vehicle chassis protection are remarkably improved, and the service life of the vehicle chassis is prolonged to a certain extent.

This invention discloses a method for preparing arsenic-cadmium lattice mineralized and immobilized silicate mineral materials based on mechanochemical ball milling and its application. The invention aims to solve the technical problems of poor arsenic and cadmium immobilization and ineffective immobilization in existing silicate mineral materials. Preparation method: 1. Mix iron oxide yellow and serpentine evenly to obtain an iron-serpentine composite silicate mineral material; 2. Place the iron-serpentine composite silicate mineral material in a ball mill jar and ball mill it at a controlled speed to obtain an arsenic-cadmium lattice mineralized and immobilized silicate mineral material. Application: This invention involves adding the arsenic-cadmium lattice mineralized and immobilized silicate mineral material to polluted water or soil. This invention uses a mechanochemical method to form a surface bond between iron manganese oxides and serpentine, constructing a composite interface with multiple synergistic effects, improving the adsorption performance of cadmium and arsenic, and significantly promoting the diffusion and immobilization process of heavy metal ions into the serpentine lattice.