82results about How to "Strong construction adaptability" patented technology

The invention discloses single component air-drying water-based rust inhibiting primer with curtaining capacity and used for an electrical equipment housing. The primer comprises components in percentage by weight as follows: 30%-50% of water-based resin, 1%-5% of a wetting dispersant, 0.1%-1% of a pH regulator, 5%-15% of rust inhibiting pigment, 15%-30% of pigment packing, 1%-8% of a coalescing agent, 0.5%-1.5 % of a wetting levelling agent, 0.5%-2% of a flash rust remover, 0.1%-1.5% of an antifoaming agent, 0.5%-2% of a thickener, 0.1%-1% of a mould-proof sterilizing agent and 5%-20% of deionized water. The invention further discloses a preparation method of the water-based rust inhibiting primer. The water-based rust inhibiting primer has lower film forming temperature, any cross-linking agent and curing agent is not required to be added, the primer can be rapidly dried and cured at normal temperature or a low-temperature baking environment ranging from 50 DEG C to 80 DEG C, construction is simple and convenient, and the product performance is comparable with that of solvent based paint.

The invention discloses a room-temperature-curable aqueous anticorrosion primer used for coating the external surface of a construction crane. The primer comprises the following components by weight: 35-45% of an aqueous resin, 5-8% of a curing agent, 1-3% of a dispersant, 5-12% of an antirust pigment, 20-35% of a pigment filling material, 1-2% of an anti-settling agent, 0.5-1% of a wetting agent, 0.5-1% of a thixotropic agent, 0.5-1% of an antifoaming agent, 0.1-0.8% of a flash etching inhibitor, 0.1-0.8% of a mildew inhibitor, 1-3% of a film-forming auxiliary agent and 10-20% of deionized water. The invention also discloses a preparation method of the aqueous anticorrosion primer. The aqueous anticorrosion primer has a room-temperature-curable paint film, is energy-saving and environment friendly, and can satisfy safe production requirements of enterprises; the primer is high in solidity, low in viscosity, convenient for construction; and the coating of the primer has good corrosion resistance and water proofness, and the comprehensive properties of the coating reach performance indexes of same-type oiliness products.

The invention relates to a burner comprising two half shells, one of which is perforated, that are tightly joined together along at least a portion of their edges, so as to form a tubular body communicating with a venturi tube. At least two corresponding ends of the two half shells have a truncated profile, providing the tubular body has at least one truncated end. The invention also relates to a venturi tube for said burner that is composed of two half shells The invention further relates to a mounting for a thermocouple and for an igniter of said burner, the mounting having coupling means that cause mutual contact surfaces to be oriented in at least three non-parallel planes and that prevent mounting rotation, so that the position thereof is accurately defined. The invention also relates to a process for fabricating said burner.

The invention relates to quick-drying hydroxylated acrylic resin water dispersion and a preparation method and use thereof, in particular to quick-drying aqueous automobile repair solid color paint prepared from the hydroxylated acrylic resin dispersion. The invention discloses a method for preparing the hydroxylated acrylic resin dispersion, which comprises: A, preparing a prepolymer of hydroxylated acrylic resin; and B, preparing aqueous prepolymer of the hydroxylated acrylic resin. And the invention also discloses a method for preparing quick-drying aqueous automobile repair solid color paint by using the dispersion. The coating of the quick-drying aqueous automobile repair solid color paint is accomplished at a low temperature or even at normal temperature, so the volatile organic compound (VOC) emission in a coating process of an automobile is reduced and energy conservation and emission reduction are realized. Thus, the quick-drying aqueous automobile repair solid color paint can be promoted and used easily.

The invention discloses a torpedo tank lining gunning repairing material, a preparation method and applications thereof, wherein the torpedo tank lining gunning repairing material comprises, by weight, 60-67 parts of a Al2O3-containing fireproof material after-using regenerating material, 3-7 parts of fireproof clay, 2-5 parts of flaky graphite, 3-7 parts of silicon carbide, 10-15 parts of an alumina homogeneous material, 3-6 parts of kyanite, 2-5 parts of alpha-Al2O3 micro-powder, 3-11 parts of a binder, and 1.2-3.4 parts of an admixture. According to the present invention, the torpedo tank lining gunning repairing material has characteristics of low raw material cost, wide regeneration material source, convenient cold-hot state gunning repairing, excellent thermal shock stability, strong repairing layer interface bonding strength, strong slag iron corrosion resistance, high torpedo tank operation rate, long service life, and the like.

The invention discloses a lifting platform for shaft construction, comprising an operating platform, a lifter and an electrical control system, wherein the electrical control system controls the lifter to lift the operating platform via a working steel cable, the operating platform is composed of 6 to 12 trapezoid unit joints, at least four groups of anti-collision wall-against wheels are annularly arranged around the operating platform, and the bottom of the operating platform is circumferentially provided with at least four lead screw supporting components. The lifting platform for shaft construction has the advantages of strong construction adaptability, unlimited construction height, small floor area, good construction quality, high construction efficiency, great convenience of erection and disassembly, less labor, low labor intensity and the like. The trapezoid units, which are combined as required by construction, adapt to the construction requirement under different shaft situations, excellent convenience and flexibility are obtained during installation and usage, construction time is saved, and construction cost is lowered; the anti-collision wall-against wheels and the lead screw supporting components can be adjusted to adapt to the different requirements of shaft construction, and the lifting platform can conveniently and safely prevent the operating platform from shaking and becomes more stable and reliable as a whole.

The invention relates to a cement-based self-leveling mortar, and more particularly relates to a macromolecular adhesive cement. The macromolecular adhesive cement comprises the components in parts by weight: 80-100 parts of water-borne epoxy resin, 16-20 parts of water-borne epoxy curing agent, 120-150 parts of complex portland cement, 30-50 parts of quartz silt powder, 10-15 parts of water, 35-50 parts of pigments and fillers, 0.3-0.5 parts of wetting dispersant, 2-6 parts of self-leveling additives, and 2-5 parts of water-borne color paste. The macromolecular adhesive cement disclosed by the invention is a single-component, dry-powder-shaped and water-borne self-leveling cement-based hard/soft type waterproof adhesion-blocking and leveling material which is processed via scientific proportioning, integrates the functions of water prevention, adhesion, blockage and leveling, as well as is non-toxic and odorless, and belongs to cement-based macromolecular polymer water-borne dry-powder waterproof mortars.

The invention relates to an electric welding rod for welding large scale low temperature spherical tank steel, consisting of a core welding-wire, an electrode covering and adhesive. The electric welding rod is manufactured according to the conventional manufacturing technique of the electric welding rod; the strength and the toughness of the electric welding rod can be enhanced by strictly controlling the lower percentage composition of S and P in auxiliary materials of the core welding-wire and the electrode covering. The invention has the advantages that the ultralow hydrogen sodium type electric welding rod has high strength and toughness, good welding technological properties, easy arc initiation, soft voltaic arc, little splatter, convenient slag detachability, delicate shaped weld mark, beautiful appearance and all-position welding; deposited metal is well purified and thinned, and has excellent low-temperature impact ductility and cracking resistance, low content of diffusible hydrogen as well as good performances of hot crack and cold crack resistance as well as reheating crack resistance; the welded deposited metal adapts to wide range of heat treatment parameter and has good actual construction adaptability, thus being applicable to welding a spherical tank, especially large scale spherical tanks made of propylene, ethylene and LPG.

The invention discloses a fast-curing indentation-proof water-based paint for galvanized sheets. A formula of the paint comprises the following components by weight: 30-45% of water-based resin, 1-3% of a dispersant, 20-35% of a pigment filler, 0.3-1% of a wetting leveling agent, 0.5-1% of a thixotropic agent, 0.3-1% of a defoaming agent, 0.1-0.8% of a flash rust inhibitor, 1-3% of a coalescing agent, 0.1-0.5% of a pH regulator and 10-40% of deionized water. The invention also discloses a preparation method of the water-based paint. The paint film provided by the invention can cure fast, and is safe, energy-saving, environment-friendly and simple for construction, so as to meet the fast production requirements of an assembly line. The obtained galvanized sheet has excellent properties and performance indicators reaching the industrial standard for galvanized sheet coating.

The invention relates to a normal-temperature quick-drying aqueous hydroxy acrylic resin, specifically to a quick-drying aqueous automobile repairing solid color paint prepared from an aqueous hydroxy acrylic resin. The invention discloses a preparation method of the aqueous hydroxy acrylic resin, a preparation of a hydroxy acrylic resin prepolymer and water-borne modification of the hydroxy acrylic resin prepolymer, and a method for preparing the quick-drying aqueous automobile repairing solid color paint by the use of the above dispersion. According to the invention, the coating process is completed at normal temperature, VOC discharge during the automobile coating process is reduced, production efficiency is raised, vehicle delivery time is shortened, and the resin is convenient for popularization and application.

The invention belongs to the technical field of corrosion-resistant coatings, and particularly relates to waterborne nano long-acting corrosion-resistant finishing coat and a preparation method thereof. The finishing coat consists of a component A and a component B. The component A consists of the following raw materials in parts by weight: 30-40 parts of acrylic acid modified polyurethane emulsion, 10-20 parts of modified nano silicon dioxide sol, 0.5-1 part of a defoaming agent, 0.3-0.8 part of a leveling agent, 5-10 parts of a cosolvent, 0.5-1 part of a thickening agent, 1-3 parts of a wetting agent and the balance of deionized water. The component B is a waterborne curing agent. The waterborne nano long-acting corrosion-resistant finishing coat has the advantages of long-lasting and excellent corrosion resistance, high substrate adhesion, high hardness, excellent friction resistance, excellent salt fog resistance, high construction adaptability and the like. The preparation method is simple, the cost is low, operation is facilitated, the waterborne nano long-acting corrosion-resistant finishing coat is environmentally friendly and pollution-free, a coated film is dry quickly, and the construction period is short.

The invention belongs to the technical field of anticorrosive coating, and in particular, relates to a metal substrate long-lasting anticorrosive inter-coat and a preparation method thereof, wherein the inter-coat is composed of a component A and a component B, and the component A is composed of the following raw materials in parts by weight: 50-60 parts of an epoxy-organosilicone resin modified acrylic resin emulsion, 12-18 parts of functionalized modified graphene, 10-20 parts of a filler, 8-15 parts of a cosolvent, 0.1-0.5 part of a defoamer, 0.5-1 part of a leveling agent, 0.3-0.8 part ofa water-based drier, 0.3-0.8 part of a thickener, 0.5-1 part of a wetting agent, and 30-35 parts of deionized water; the component B is composed of the components in parts by weight: 40-50 parts of anisocyanate curing agent, and 10-20 parts of a cosolvent. The inter-coat has the advantages of long-term excellent anticorrosive performance, strong adhesion force of the substrate, high mechanical strength, excellent friction resistance, excellent salt spray resistance, good water resistance, chemical resistance, oil resistance and impact resistance, high construction adaptability and the like.

The invention belongs to the technical field of gas storage, and relates to a preservation method of high-pressure gas deeply embedded underground. According to the invention, an area with hard geological structure is selected as a gas preservation site; a base is dug on the selected gas preservation site; a construction channel or a working chamber is preserved in the base; a cylindrical steel liner is welded in the inner cavity of the base through the construction tunnel and the working chamber; network steel bar concrete or network steel bar asphalt mixture is filled in the space between the steel liner and the base, and an anti-corrosion treatment is carried out on the periphery of the steel liner; compressed gas to be stored is filled into the steel liner through a gas inlet pipe and a valve on the top of the steel liner under the control of a compression pump, and the state in the steel liner is controlled through a monitoring device; high-pressure gas stored in the steel liner is monitored regularly, such that gas pressure, temperature, water content, and density parameters of high-pressure gas stored in the steel liner are controlled in real time. The process principle is reliable, storage safety is good, control is flexible, operation cost is low, and the method is environment-friendly.

A concrete brick taking shell-animal shells as coarse aggregate is mainly prepared by adding proper amount of water into the following raw materials in parts by weight: 28-32 parts of shell aggregate, 20-25 parts of a fishing net, 405-412 parts of sand, 120-128 parts of fly ash, and 370-375 parts of portland cement. The shell aggregate is a mixed aggregate of natural snail shells with different dimensions, and the fishing net is fragments which is obtained by performing crushing processing on waste fishing nets and has the maximum width no more than 1 cm. The concrete brick product is high in strength, light in self weight and strong in construction adaptability, and has the advantages of sound insulation, thermal insulation and the like at the same time because of addition of the shell aggregate. Some islands are far from mainland, high-quality construction materials and construction teams are difficult to obtain, so the manner of using local materials is well accepted, and the local characteristics of islands are be fully embodied.

The invention discloses a construction method of a cast-in-place pile passing through a karst cave. Firstly, the existing technology is used in drilling a hole on an upper covering layer of the karstcave, and then the expandable enclosure device is lowered into the karst cave by hoisting equipment. When the expandable enclosure device is lowered to the middle position of the karst cave, the expandable enclosure device is opened by inflating the air bag. Expanding materials are filled into the top and the bottom of the expandable enclosure device, so that the gap between the expandable enclosure device and the top and the bottom of the karst cave is filled up. After that, the air bag is recovered, and the pile hole drilling construction is carried out on the rock stratum at the bottom of the karst cave until the drilling depth reaches the designed depth of the pile body. The hole forming quality of the pile hole is detected, and the next step is carried out when the detection is qualified. The reinforcement cage is put down, and the concrete is poured into the pile body by the guide pipe. After the pile body is solidified, the construction of the cast-in-place pile is finished. Theconstruction method has the advantages of simple construction process, low cost, improved bearing capacity, small disturbance to the geological environment of the karst cave and the like.

The invention discloses a low-cost wall brick, belonging to the technical field of building materials. The low-cost wall brick is prepared from the following raw materials: 20-30 parts by weight of cinder, 35-45 parts by weight of construction waste soil, 25-28 parts by weight of grinding wheel ash, 3-5 parts by weight of straw, 5-10 parts by weight of limestone, 1-2 parts by weight of vermiculite and 80-90 parts by weight of river water; the low-cost wall brick is prepared by the steps of pre-activating, crushing, aging in a sealing way, making adobe, drying and sintering. The low-cost wall brick is scientific in material selection and fully utilizes industrial construction waste, thus reducing the production cost and increasing the enterprise profit; a preparation method of the low-cost wall brick is advanced, and improves the activity and adhesiveness of raw materials through a pre-activating method so as to enable the raw materials to be blended together closely; therefore, the low-cost wall brick is close in texture, non-powdered, high in compressive strength and wear resistance and good in anti-cracking performance, can be used for a long time in a low-temperature environment, and is long in service life, wide in use and strong in adaptability to construction.

The invention discloses an antifreeze wall brick, and the antifreeze wall brick is prepared from the following raw materials by weight: 30-40 parts of basalt, 5-8 parts of bamboo scraps, 20-25 parts of calcite, 20-30 parts of river silt, 10-20 parts of chalk soil, 50-100 parts of water, 5-10 parts of grinding wheel ash and 5-15 parts of montmorillonite by pre-activation, crushing, sealing aging, blank forming, drying and sintering. The preparation method is scientific, and the antifreeze wall brick is convenient to make, low in production cost and good in economic effect. The antifreeze wall brick is prepared from waste residues, energy is saved, the ecological environment is protected, the prepared antifreeze wall brick is strong in frost resistance, high in strength, fine and close in texture, free of crack and resistant to wear and tear, can be used under the condition of low temperature for a long time, and has strong construction adaptability.