70results about How to "Short working time" patented technology

The invention relates to an electric control hydraulic driving system for an industrial vehicle. Only one electromotor and one microcomputer controller are used for driving a variable pump to conduct frequency control so as to convey hydraulic oil in a hydraulic oil tank to a travelling mechanism, an inclining mechanism, a lifting mechanism, a steering mechanism, a kinetic energy recycling mechanism, a potential energy recycling mechanism and a travelling speed limiting mechanism; kinetic energy recycle, overload potential energy recycle, and no-load and light-load unloading can be realized while the vehicle realizes actions of travelling, inclining, lifting and steering; through the adoption of the travelling speed limiting mechanism, the vehicle speed can be limited, and the vehicle travelling can be stable; during slope sliding and braking, the hydraulic system can automatically supply oil; during slope climbing of the vehicle, the variable pump automatically varies according to the load pressure set value to achieve the low-speed large-torque slope climbing function, and the slope climbing current is low. The electromotor consists of a permanent-magnet brushless motor, an inverter controller and a variable piston pump; zero current start to a load current is realized, the starting time is within the millimeter-level range, large current starting can be avoided, and energy can be saved.

The invention discloses a polymer cement-based waterproof coating with a photocatalytic function. The polymer cement-based waterproof coating consists of an inner layer coating and an outer layer coating. The invention also discloses a preparation method of the polymer cement-based waterproof coating. By adopting the polymer cement-based waterproof coating, the construction period can be greatly shortened, the surface drying time is finally reduced by 1 to 3 h, and the actual drying time is reduced by 2 to 4 h. Nano TiO2 is used as an ultraviolet shielding agent, a double-layer material is formed by utilizing the different particle size and crystal forms, the inner layer large-particle-size rutile-type nano TiO2 reflects the ultraviolet rays, and the outer layer small-particle-size anatase-type nano TiO2 absorbs the ultraviolet rays, so that the anti-aging performance of the coating is significantly improved.

The invention relates to a stacking forklift, in particular to a full-hydraulic electric stacking forklift. The full-hydraulic electric stacking forklift is mainly used for carrying, lifting and stacking goods. The invention is realized as follows: the full-hydraulic electric stacking forklift comprises a storage battery, a micro-computer controller, a motor, a hydraulic pump and a fuel tank, wherein the storage battery is a power source and provides power for a microprocessor and the motor; the motor is in driving connection with the hydraulic pump; and the hydraulic pump provides power for a hydraulic motor and an oil cylinder; and the full-hydraulic electric stacking forklift is characterized by further comprising a speed limiting valve, a forklift walking loop, a heavy-load potential energy recycling loop and a light-load potential energy releasing loop. The full-hydraulic electric stacking forklift has the advantages that only one motor, one controller and a variable displacement hydraulic system are used to implement walking, lifting, heavy-load potential energy recycling and light-load potential energy releasing of the forklift. By the combined type fuel tank, mechanical and electrical integrated oil-cooling type mounting is realized, electrical elements are not in contact with air, noises of a hydraulic system are reduced effectively, and functions of watertightness, explosion proofing and cooling are fulfilled.

The invention provides a coating material modifier, a modified epoxy resin of the coating material modifier, and a preparation method and application of the modified epoxy resin. The coating materialmodifier is characterized by using multiple mercapto functional group monomers and / or polymers thereof to shorten the surface drying time and the hard drying time of a coating material; the multiple mercapto functional group monomers refer to tetra-functional pentaerythritol mercaptopropionate. The modified epoxy resin provided by the invention can be used as a waterproof coating material and canbe quickly cured, high permeability is obtained, the permeability to a surface layer of concrete is good, the curing speed is fast, and dual functions of permeability resistance and reinforcement areobtained.

The invention discloses a preparation method of water-based fast dry low VOC alkyd paint, and relates to the field of paint. The preparation method is as follows: fast dry type alkyd resin is first synthesized, and then emulsified to obtain the alkyd resin, and finally the water-based fast dry low VOC alkyd resin paint is produced using the emulsion as raw material. By adopting a high polymerization method in the alkyd resin synthesizing technology, the hard drying time of the alkyd resin can be effectively shortened, then the drying time of the final water-based paint product is shortened, and the customer's construction cycle is shortened. The emulsion has low VOC content, excellent water resistance property, stability and film formation property. During the whole technological process, the self-made fast dry type alkyd resin is selected, and the content reaches 99% or above. In the process of emulsification and paint preparation, no organic solvent is added; the VOC content in the final paint is controlled to be 60 g / L or below, and the low VOC content water-based alkyd paint is actualized.

The invention discloses a high-performance waterborne glass wine bottle coating and a preparation method thereof. The high-performance waterborne glass wine bottle coating comprises the following components in parts by weight: a component A: 20-30 parts of waterborne acrylic resin, 40-50 parts of titanium dioxide slurry, 5-10 parts of amino resin, 0.2-1 part of a base material wetting agent, 0.1-1part of a leveling agent, 0.1-2 parts of a defoaming agent, 0.5-5 parts of an adherence promoter, 8-15 parts of a cosolvent, 0.2-1 part of a wetting dispersant, 0.1-0.5 part of a pH regulator and 5-20 parts of water; and a component B: a silane coupling agent of which the use amount accounts for 1-5% of the component A. The VOC content of the waterborne glass wine bottle coating is low, the waterborne glass wine bottle coating is low in pollution to the environment, the performance of the high-performance waterborne glass wine bottle coating is equivalent to that of a solvent type coating, during construction, the water addition amount can reach 50%, the coating can be dried within 15-20 minutes, the production efficiency is greatly improved, and the energy is saved.

The invention relates to a processing method of a herba epimedii decoction piece. The processing method sequentially comprises the following steps of sorting, rinsing, wetting, shredding and slicing,drying, spreading and airing, and sorting by air. The processing method has the advantages that the technology is simple, and the operation is simple and convenient; the medical part and nonmedical part of herba epimedii can be quickly and effectively separated, so that the production efficiency of the herba epimedii decoction piece is greatly improved; a large amount of labor and labor cost is reduced, and the quality of the processed herba epimedii decoction piece is high.

The invention relates to quick-drying hydroxyl acrylic resin for automobile refinishing coatings, and a preparation method of the quick-drying hydroxyl acrylic resin. The quick-drying hydroxyl acrylic resin is prepared from the following raw materials: a material A, a material B and a material C, wherein the material A is prepared from the following components by weight percent: 10-20% of butyl acetate and 15-25% of dimethylbenzene; the material B is prepared from the following components by weight percent: 1-2% of acrylic acid or methyl acrylic acid, 30-40% of methyl methacrylate or styrene, 10-20% of butyl acrylate or butyl methacrylate, 5-18% of hydroxyethyl acrylate or hydroxyethyl methacrylate, 10-30% of 4-hydroxybutyl acrylate and 5-10% of benzoyl peroxide, tert-butyl peroxybenzoate or di-tert-butyl peroxide; the material C is prepared from the following component by weight percent: 1-3% of benzoyl peroxide, tert-butyl peroxybenzoate or di-tert-butyl peroxide. Compared with the similar resin in the prior art, the quick-drying hydroxyl acrylic resin for the automobile refinishing coatings can obviously accelerate the reaction speed of paint films so as to enable the hardness of the paint films to be more rapidly increased in a drying process and further short the hard drying time, and can reach the requirements for polishing within 4h; furthermore, the working life, weather resistance and wear resistance of the resin are improved to different extents.

The invention provides an exposed waterproof coating with early rain resistance and a preparation method thereof. The coating is prepared from the following components in parts by mass: 60 to 80 parts of acrylic emulsion, 0.2 to 0.5 part of base material wetting agent, 0.3 to 0.6 part of dispersing agent, 0.2 to 0.6 part of defoaming agent, 3 to 8 parts of thixotropic thickening agent, 5 to 20 parts of pigment, 20 to 40 parts of filler, 0.1 to 0.5 part of cross-linking agent, 1 to 2 parts of triggering agent and 10 to 20 parts of water. Before application, a complex bond is formed between the triggering agent and the acrylic emulsion, when the coating is used, the crosslinking reaction between the acrylic emulsion and the crosslinking agent is triggered along with rapid volatilization of ammonia water or ammonium hydroxide, and the coating is high in drying speed and has weather resistance and early rain resistance.

The invention provides a photovoltaic module intelligent inspection system and a photovoltaic module intelligent inspection method applied to a photovoltaic power generation system. According to the invention, the voltage amplitude change of a reverse diode between the wiring terminals of a photovoltaic module is measured, and then the A / D detection technology is used for collecting voltage signals. The ZigBee wireless transmission technology is adopted, and collected signals are sent to a terminal receiving device. The system is directly connected with a photovoltaic panel wiring terminal through a high-voltage-resistant DC / DC non-isolated converter, so that the self-power supply of the system during the working state is achieved. In combination with three sets of measured voltage, illumination intensity and temperature, a fuzzy control algorithm is designed. Whether a fault belongs to a permanent fault or a temporary fault caused by cloud shielding or tree shielding is judged. Meanwhile, the aging degree of the photovoltaic module can be reflected, and the fault reporting of the system can be realized. The system and the method are suitable for the practical application of a photovoltaic power station and a distributed photovoltaic power generation system.

The invention relates to an arsenic trioxide purification system and method. The system comprises a purification furnace, two operation chambers, two material carrying boxes with openings in the topsand two feeding mechanisms, the two ends of the purification furnace are each provided with a first opening, and the two operation chambers are symmetrically distributed at the two ends of the purification furnace; one material carrying box is arranged in the operation chambers, the other material carrying box is arranged in the purification furnace, one ends of the two material carrying boxes areconnected through a connecting piece, the other ends of the two material carrying boxes are respectively connected with a cable, and winding mechanisms are respectively arranged in the two operationchambers; a second opening opposite to the first opening is formed in the side wall, close to the purification furnace, of each operation chamber, a bearing table is arranged in the purification furnace, and a cooling bed as high as the bearing table is arranged in the corresponding operation chamber; and the two feeding mechanisms are symmetrically arranged at the two ends of the purification furnace. The arsenic trioxide purification system is compact in structure and high in treatment efficiency, and the uninterrupted purification effect of the purification furnace can be achieved; and direct water spraying cooling is not needed, so the smoke generation amount is greatly reduced, and energy conservation and environmental protection are achieved.

The invention relates to high-temperature-resistant waterproof emulsified asphalt. The high-temperature-resistant waterproof emulsified asphalt with a pH (potential of hydrogen) value of 3-8 is characterized by comprising, by weight, 2%-4% of emulsifiers, 40%-45% of matrix asphalt, 10%-20% of latex, 0.1%-1% of additives I, 0.1%-1% of additives II and the balance water. The high-temperature-resistant waterproof emulsified asphalt has the advantages that the high-temperature-resistant waterproof emulsified asphalt is excellent in performance, and the heat resistance, the toughness and the storage stability can be effectively improved.

The invention discloses a polymer cement-based waterproof coating with a photocatalytic function. The polymer cement-based waterproof coating consists of an inner layer coating and an outer layer coating. The invention also discloses a preparation method of the polymer cement-based waterproof coating. By adopting the polymer cement-based waterproof coating, the construction period can be greatly shortened, the surface drying time is finally reduced by 1 to 3 h, and the actual drying time is reduced by 2 to 4 h. Nano TiO2 is used as an ultraviolet shielding agent, a double-layer material is formed by utilizing the different particle size and crystal forms, the inner layer large-particle-size rutile-type nano TiO2 reflects the ultraviolet rays, and the outer layer small-particle-size anatase-type nano TiO2 absorbs the ultraviolet rays, so that the anti-aging performance of the coating is significantly improved.

The invention discloses an epoxy ester modified aqueous alkyd resin and a preparation method thereof. The method comprises the following steps of: preparing alkyd resin, synthesizing epoxy ester, and synthesizing the epoxy ester modified aqueous alkyd resin: stirring and mixing epoxy ester and basic alkyd resin in mass ratio of 0.2:1-0.5:1, 1-3 parts of organic tin catalyst and 5-15 parts of dimethyl benzene, and performing reflux reaction at the temperature of 180 DEG C for 1-2 hours until the acid value is measured to be less than 7mgKOH / g; and water-dissolving the modified alkyd resin. A product provided by the invention keeps superior performances of paint dryness, glossiness, durability, flexibility, hardness, higher solubility and the like of the alkyd resin, has superior cohesive property, salt fog resistance and good self-drying property of the epoxy resin, and can keep that a coating has superior solvent resistance and chemical resistance.