492results about How to "Environmental performance" patented technology

The invention discloses a water permeable brick and a preparation method thereof. The water permeable brick comprises two parts, namely a surface layer and a base layer, wherein the material of the surface layer is prepared from the following components in percentage by mass: 60-70% of ceramic sand, 15-20% of sand and 15-20% of cement, and in addition to the solid components with the sum of 100% in percentage by mass, water accounting for 50-60% by mass of cement is further added; and the material of the base layer is prepared from the following components in percentage by mass: 45-65% of building silt unburned ceramsite, 10-15% of cement, 5-10% of fly ash, 10-15% of melon seed-shaped drug slices and 10-15% of sand, and in addition to the solid components with the sum of 100% in percentage by mass, the water accounting for 30-40% and a water reducer accounting for 1-1.5% relative to total mass of the cement and the fly ash are further added. The water permeable brick disclosed by the invention is prepared by using the building silt unburned ceramsite to replace natural aggregate or calcined ceramsite, on one hand, the using ways of the building silt unburned ceramsite can be expanded, the utilization rate of solid wastes is improved, and negative effects on an environment are reduced, and on the other hand, the obtained water permeable brick has excellent performance.

The invention discloses a before-coating metal surface treatment method. The before-coating metal surface treatment method comprises such steps as oil removal, alkali washing, acid washing, two times of water washing and phosphorization. Adopted environment-friendly alkaline cleaning liquid has the technical effects of energy conservation and environmental protection, and has an excellent cleaning effect on both black metal and nonferrous metal; adopted phosphorization liquid has such advantages as quick film formation, strong paint film bonding force, good corrosion resistance, capability of operating through brushing or spraying, simple operation and low cost; the prepared phosphorization liquid reduces phosphorization liquid sediments, and guarantees the quality of phosphorized film; and the film layers are uniform and exquisite, so that the metal surface treatment method can realize the before-coating metal surface treatment more environment-friendly and more efficiently, and has active effects on the coating process and the coating quality.

The invention discloses a self-supporting lightning-proof optical cable. The self-supporting lightning-proof optical cable comprises a cable core, a covered layer and a suspension wire, wherein the cable core is used for transmitting an optical signal and power; the covered layer is covered with the cable core; and the suspension wire is connected with the covered layer. The covered layer comprises a shielding layer, an outer sheath and a ground layer, wherein the shielding layer shields the cable core; the outer sheath coats the shielding layer; and the ground layer is arranged between the cable core and the shielding layer. The self-supporting lightning-proof optical cable of the invention can prevent communication equipment from being damaged by thunder and lightening, effectively prevent an electromagnetic field generated by the shielding cable from disturbing other communication cable signals and prevent external electromagnetic field from disturbing the cable core.

Soybean oil base offset printing ink and bonding material comprises bonding material A, auxiliary bonding material B and auxiliary bonding material C. The invention replaces most part or total petroleum mineral oil in printing ink with soybean oil, belonging to environment-friendly printing ink bonding material without significant petroleum components. The printing ink solves the technical problem that harmful contamination in the air and the surface of printing which is caused by large amount of petroleum solvent comprised in current common letterpress printing ink can further dangers the health of producers and users, has the advantages of environment-friendly, safety, extensive application range, excellent printability and prominent materialization index.

The invention belongs to the technical field of composite materials, and relates to a thermoplastic composite material and a preparation method and application thereof. The thermoplastic composite material comprises the following components in percentage by mass: 40-60% of jute fiber and 40-60% of polypropylene fiber. Compared with the prior art, the composite material provided by the invention is environment-friendly and can be degraded naturally; with certain mechanical strength, the composite material can meet the requirement of the automotive trim material for strength; moreover, the composite material also has excellent processing performance and safety performance; and through the invention, the technological flow is shortened, the production efficiency is improved, and more importantly, the green and light automotive trim material is realized. Through the invention, the technological flow is simple, the composite material is easy to manufacture, and the raw materials are widely available and low in price, thereby being favorable for lowering the cost of the composite material; and moreover, a composite board has perfect toughness and does not form an acute-angle section after being broken, thereby being safe and reliable.

The invention discloses a multigroup lightning protection optical cable which comprises cables and a coating layer covering the cables, wherein the cables are made of multigroup cable cores covered by an inside liner; and the coating layer comprises a shielding layer for shielding the cables, an outer jacket covering the shielding layer and a grounding layer arranged between the inside liner and the shielding layer. The multigroup lightning protection optical cable can prevent lightning from damaging communication equipment, and can effectively shield the interference of an electric magnetic field generated by the cables on other communication cable signals and the interference of an external magnetic field on the cables.

The invention discloses a high-pressure thin water spray fire-fighting injector used in submarine and ship, comprising injector shell, injector patchplug, central air spout, spherical air spout, outer air spout, internal filtering net, metallic sealing bale and dust shield. The shape of injector shell is two conical surfaces, the top of conical surface neat top part is plain, the central part is equipped with air spout; conical surface near to top is distributed with several spherical sir spouts; outer circle of conical surface near to top is next to another conical surface, a plurality of outer air spouts are installed on said conical surface. The air spouts on different installation surface are intercrossed, the injector shell and central air spout, spherical air spout and outer air spout, and injector shell and injector patch plug are all connected with each other through screw. The sealing employs metallic pad. The air spout is connected with the cavity of injector shell; the cavity of injector patch plug is equipped with stainless steel filtering net; another end of injector patch plug is connected with fire-fighting system through screw, and the injector shell is provided with dust cover.

The invention relates to a preparation method of a low-toxic environment-friendly type novel precious metal beneficiation agent. Raw materials of the low-toxic environment-friendly type novel precious metal beneficiation agent comprise a cyanate, sodium hydroxide, sodium sulfate, sodium ferrocyanide, a bromide, and a lead salt. The preparation method comprises following steps: sodium cyanate, sodium hydroxide, sodium sulfate, and sodium ferrocyanide are mixed at a certain ratio; an obtained mixture is delivered into a smelting pot which is heated to be slightly red, and is heated to 650 to 750 DEG C so as to obtain a fused material, temperature is maintained to be 750 DEG C for 30 to 50min of reaction, and then an obtained product is collected and cooled; the obtained product is smashed, the bromide and the lead salt are added for stirring, and the environment-friendly type precious metal beneficiation agent is obtained via combination. The environment-friendly type precious metal beneficiation agent can be widely used for precious metal beneficiation metallurgy of nonferrous metals ores, contains no hypertoxic compounds, is safe for human and animal, and is friendly to the environment. Compared with other metal beneficiation agents, the environment-friendly type precious metal beneficiation agent is excellent in effects, stable in performance, and low in production cost; the preparation method is simple; and environmental protection can be realized.

The invention relates to a phase-transition self-temperature-regulating heat-preserving facing brick of an external wall, which is an integrated structure compacted by a phase-transition heat-preserving layer and an inorganic facing layer, wherein the phase-transition heat-preserving layer is mixed by proportion and compacted by hull-type expanded perlite heat-preserving aggregates, phase-transition temperature-regulating aggregates and cements; the inorganic facing layer is mixed by quartz sand, calcium carbonate, calcium oxide, cement and silicon oxide powders; and the phase-transition temperature-regulating aggregate is made of phase-transition cores and encapsulated hulls. The manufacturing method not only effectively solves the encapsulation problem of the phase-transition material, leads the prepared phase-transition self-temperature-regulating heat-preserving facing brick of the external wall to have excellent heat-preserving performance, waterproof performance and permanent anti-ageing performance, but also radically solves the obsolescence of thermo-physical property and the leakage problem of phase-transition material in the circulation process. The facing brick has the advantages of light weight, strong adhesion strength, large compressive strength, heat insulation, heat preservation, waterproof and moisture-proof performances, obvious energy-saving effect, and the like.

The invention discloses an environment protective paint, which comprises the following parts: base material, adjuvant and 80wt% industrial hemp rod core powder. The paint possesses absorbent, dampproof, fungal resistant, bacteriostatic effect, which is fit for kinds of wall decoration.

The invention provides an aluminate cement material containing. Q phase mineral that weight percenge is 40-80. The invention cement material has advantages of excellent functin of early strength and quick hardening, low firing temp., chalk containing magnesium-silicon and low-grade bauxite can be used as raw material to produce the cement material with high aluminium and low calcium.

The invention belongs to the technical field of ironmaking, in particular relating to a coke passivator and process for preparation. The coke passivator is produced by the raw materials at different part by weight, including 15-30 parts of boracic acid, 15-30 parts of borax, 30-50 parts of high magnesium powder, 5-15 parts of aluminum silicon powder, and 5-20 parts of calcium silicon powder. The coke passivator can uniformly form a layer of protective coating, which can reduce the erosion of the coke caused by CO2, decrease the reactivity of the coke, increase the coke strength after reaction, improve the utilization coefficient and the service life of the blast fumace and reduce the coke ratio. Utilizing the concentration of 0.3kg/t can reduce the reactivity of the coke by 5%, increase the coke strength after reaction by 7% and improve the production of the blast furnace by more than 3%-5%. The invention is an ideal product for blast furnace ironmaking which has the advantages of saving energy, reducing consumption, increasing production, improving benefits and protecting environment.

The invention relates to a method for preparation of a waterborne polyurethane impregnated superfine fiber synthetic leather base. The method includes the steps: coating waterborne polyurethane slurry on release paper, pasting a superfine fiber nonwoven fabric and carrying out infrared heating and hot-air drying; after cooling, carrying out impregnation to obtain the waterborne polyurethane impregnated superfine fiber synthetic leather base. Since only moisture volatilization exists in a production process, environment friendliness is realized; no harmful gas is generated in a production environment, and operators are protected from health hazards; due to the fact that waterborne materials in the waterborne polyurethane impregnated superfine fiber synthetic leather base have hydrophilic groups, excellent moisture permeability is achieved; after alkali deweighting and splitting, the waterborne polyurethane impregnated superfine fiber synthetic leather base is excellent in breathability. Compared with a traditional methylbenzene deweighting process, the alkali deweighting process in production of the waterborne polyurethane impregnated superfine fiber synthetic leather base has the advantage of high sustainability.

The invention discloses a bio-enzyme modified plant protein base timber adhesive and a preparation method thereof. The preparation method of the plant protein base adhesive is as below: conducting homogenization, pH adjusting, enzymolysis, pH readjusting and anti-corrosion treatment on the components of, by weight, 20-30 parts of biomass containing plant protein, 60-120 parts of water, 0.20-1.50 parts of biological enzyme, 0.3-0.8 part of acid, 0.2-2.0 parts of alkali and 0.24-1.10 parts of a preservative. The adhesive uses renewable material sources, contains no toxic or harmful substance, is green and environment-friendly, has water endurance bonding strength reaching the level of grade II adhesive (indoor), and can be used for manufacturing of various indoor man-made boards. The preparation method of the adhesive reduces the use of chemicals, and has the effects of energy saving and emission reduction; and the adhesive overcomes the problems of harm to the health of producers and users and environment pollution caused by chemicals in ordinary adhesive.

The invention relates to a method of nano self-cleaning glass production in the float glass production line. At the end of annealing kiln and above the area between the emergency transverse cutting machines in the float glass production line, the method need add the on-line spray equipment for spraying the nano self-cleaning paint across the float glass production line; evenly and directly spray the nano self-cleaning paint in fine mist on the non-tin surface of the glass at temperature 60-120 DEG C obtained at the end of the annealing kiln to form the nano self-cleaning coating; and then continue to follow the cold end manufacturing process of the float glass line to perform the on-line production to eventually obtain the nano self-cleaning glass. The method of invention saves the glass cleaning process before painting the nano self-cleaning paint during the traditional self-cleaning glass manufacturing. It uses the on-line clean glass obtained at end of the annealing kiln, directly sprays the nano self-cleaning paint on the non-tin glass surface to form the film; and saves the glass cleaning process as well as the resources.

The invention provides a manufacturing method for impregnated wood and a preparation method for impregnating resin. The manufacturing method for the impregnated wood comprises the steps of primary drying, impregnating, secondary drying and hot and wet treatment. The mechanical property, the formaldehyde emission and the size stability of the impregnated wood manufactured through the method are obviously improved, and the impregnated wood can meet the using requirements of furniture and decoration such as cabinets, chests and doors and windows and wood floors. The preparation method for the impregnating resin comprises the steps of feeding, reacting and discharging, raw materials needed for preparing the resin are simple and easy to store, and under the condition that the water content of the wood is low, the resin can evenly impregnate the wood.

The invention discloses fluorine-silicon-epoxy-modified aqueous acrylate emulsion ink special for a PVC film and a preparation method of the ink. The ink consists of the following raw materials in parts by weight: 1-5% of a film forming additive, 0.5-3% of a surfactant, 0.5-3% of a drier, 0.5-3% of a leveling agent, 1-5% of a crosslinking agent, 15-20% of aqueous color paste, 50-60% of a fluorine-silicon-epoxy-modified aqueous acrylate emulsion and 20-30% of water. The fluorine-silicon-epoxy-modified aqueous acrylate emulsion ink takes the water as a solvent, so that the ink has no volatile odor; when the ink is applied to the PVC film, the wettability is good; an ink coating film with the thickness of 50 um can reach a surface drying state within 6 seconds at 50 DEG C, and the adhesion fastness reaches 99%; the ink can be scrubbed by 70% of an ethanol aqueous solution more than 100 times after curing completely, and the adhesion resistance reaches 95%; and the preparation process is simple, the production cost is low, and the ink is favorable for universal popularization and application.

The invention belongs to chemical paint technolgy, and relates to a rust-preventive pigment. It comprises phytate and mica or mica ferric oxide or ferro-phosphorus powder packing material, and the weight ratio between them is 1: 1- 9. It is prepared through deposition and polymerization with mentioned raw materials. The rust-preventive pigment only contains phytic acid and non- toxic packing material, no lead, chromium, cadmium and arsenic, so the rigidity, flexibility and adhesive force are dramatically increased, and can be modified with other pigment, packing material and resin.

The invention relates to construction waste crushing equipment, in particular to a mobile construction waste crushing station. In the mobile construction waste crushing station, a vibrating feeder (2) is arranged on the lower part of a raw material storage (1); a construction waste crushing machine feed hopper (4) is arranged on the upper middle part of another frame main beam (43) and is communicated with the raw material storage; the upper part of one end of a feeding belt conveyer A (10) is arranged on the lower part of a construction waste crushing machine A (6); a belt conveyer outlet hopper (12) at the other end of the feeding belt conveyer A is arranged above a feeding belt conveyer B (14); a belt conveyer receiving hopper (13) is connected with the feeding belt conveyer B; a returning belt conveyer A (7) is arranged on one side of the feeding belt conveyer A; and both of the tail part of the returning belt conveyer A (7) and the head part of a feeding belt conveyer B (15) are provided with a receiving hopper and a feed hopper. In the mobile construction waste crushing station, useful iron wires, reinforcing steel bars and various steel members are separated from the crushed construction waste, so occupied area of municipal refuse is effectively reduced and pollution is reduced.

The invention relates to a notebook PC case, consists of a body (1) formed by injection molding, a protecting layer (2) attached to the body (1) when injection molded, and a middle layer (2) positioned therebetween. The invention also provides a method for manufacturing the notebook PC case, comprising: processing PC or PET sheet material used as the protecting layer; combining the middle layer with the protecting layer by printing; processing the combination of the middle layer and the protecting layer; putting the combination into an injection molding mould cavity of the case, injection molding and forming the body integrated with the middle layer and the protecting layer. The embodiment of the invention has the following beneficial effects: the outer surface of the case of the notebook computer is durable, not easy to damage or scrape, the printed pattern thereon is not easy to drop off or pollute and has environment-protecting effect.