94results about How to "Guaranteed environmental performance" patented technology

The invention relates to an adhesive for wallpaper industry and particularly relates to sticky rice wet glue added with an emulsion stabilizer and a preparation method thereof. According to the invention, the emulsion stabilizer is added in a production process of the sticky rice glue to produce a sticky rice wet glue product. The sticky rice wet glue product has strong binding power and can be mixed with water 100%, the wallpaper adhesion area is increased, the decoration cost of users is reduced, the preparation process is simple, the production cost is low, and the product is stable to store and is convenient to use.

The invention discloses a nitrogen supercharging vehicle which comprises a chassis, a chassis girder and chassis auxiliary beams, wherein the chassis is provided with an upload prying case body; the chassis girder is fixedly connected with the chassis auxiliary beams; the chassis auxiliary beams are fixedly connected with the upload prying case body; supercharging equipment is arranged in the upload prying case body; and the supercharging equipment comprises a gas inlet pipeline, a primary steam separator, a secondary steam separator, a tertiary steam separator, a supercharger, a diesel engine, a composite cooler, a gas exhaust pipeline and a control system. The whole equipment has the advantages of convenient and quick operation and maintenance, high work efficiency, high degree of automation control, energy saving, environmental protection, low requirements for working conditions, and convenient management, and provides a convenient high-pressure high-flow gas source for oil field drilling, gas exploitation and other related fields.

The invention provides a resin production system, comprising a polymerization reaction kettle, a vertical condenser, a horizontal condenser and a buffer recovery tank, wherein the polymerization reaction kettle is provided with a feeding hole and a gas outlet hole; the gas outlet hole is communicated with a tube pass entrance of the vertical condenser, a tube pass exit of the vertical condenser iscommunicated with a tube pass entrance of the horizontal condenser, a tube pass exit of the horizontal condenser is communicated with an inlet of the buffer recovery tank, and an outlet of the bufferrecovery tank is communicated with the gas outlet hole. The resin production system is provided with the vertical condenser and the horizontal condenser which are cooperatively used, thus guaranteeing the condensation effect of ethyl acetate gas; the buffer recovery tank is arranged, and the whole system is enabled to form a closed loop, so that the system is not limited by the high temperature vaporization of ethyl acetate, the cooling time is shortened, the system power consumption and energy consumption are reduced, the machine abrasion is reduced, and the production cost is further lowered; furthermore, part of the uncondensed ethyl acetate gas is recovered by means of the buffer recovery tank and is not discharged into the atmosphere, so that the pressure for environmental protectionis reduced.

The invention discloses a friction material for a brake pad, which is characterized by comprising epoxy resin, mica, Lauren fiber, glass fiber, mineral fiber, graphite, coke, antimony sulphide, barite, friction powder, tyre powder, friction adding agent, potassium feldspar, flame retardant and vermiculite. Through the steps of mixing the raw materials, grinding the raw materials, hot pressing process and shaping process, the preparation of the friction material for the brake pad is finished, so that the friction material for the brake pad with good environmental protection performance and high abrasion resistance coefficient is obtained.

The invention discloses a desulfurization and denitrification method of a desulfurization and denitrification system. The system comprises a tower body, wherein a flue gas inlet is formed in the lower part of the tower body; an oxidizing section is arranged at a lower position, corresponding to the flue gas inlet, in the tower body; a concentrating section, an absorbing section, a purifying and water washing section and a defogging section are sequentially arranged from bottom to top at an upper position, corresponding to the flue gas inlet, in the tower body. The invention also discloses a desulfurization and denitrification method of the desulfurization and denitrification system. The desulfurization and denitrification system provided by the invention is ingenious and reasonable in structural design, effectively solves the problem of high operation cost, and is stable in process; absorption, concentration and crystallization are carried out integrally, no any waste liquid is discharged, ammonia fugitive emission is limited, and the problems of ammonia escape and aerosol are thoroughly solved. The desulfurization and denitrification method provided by the invention is simple and easy in process steps, not only realizes the effects of desulfurization and denitrification, but also has the characteristics of high desulfurization and denitrification efficiency, energy conservation and environment protection, low cost and stable operation safety, and can make waste profitable.

The invention discloses a shielding cable for an environment-friendly car. A thermoplasticity irradiation vulcanized rubber insulation layer is arranged on the outer layer of a copper core soft conductor to form an insulation wire core, a plurality of insulation wire cores are stranded to form a cable wire, filling layers are arranged at gaps of the cable core, a belt wrapping layer, an inner shielding layer and an outer shielding layer are arranged on the outer portions of the filling layers and the cable core in sequence, and an outer protecting sleeve layer is arranged on the outermost layer of a cable. The filling layers are low-smoke-zero-halogen filling ropes. The inner shielding layer is a tinned copper wire braid shielding layer. The outer shielding is an aluminum foil lapping shielding layer. The outer protecting sleeve layer is a 125-DEG-C low-smoke-zero-halogen flame-retarding elastic body protecting sleeve layer. The shielding cable for the environment-friendly car has flame-retarding performance, high-temperature-resisting performance, low-temperature-resisting performance, acid-base-resisting performance, oil-water-resisting performance, anti-tearing performance, softness and environment-protecting performance.

The invention discloses a glutinous rice wet glue with high bonding strength, wherein the glutinous rice wet glue comprises the raw materials in parts by weight: 115-125 parts of a main material, 2-8parts of urea, 1-2 parts of hydrogen peroxide, 1-2 parts of sodium benzoate, 1-2 parts of a bactericide, 2-5 parts of an epoxidized soybean oil compound, 2-4 parts of sodium polyacrylate, 10-16 partsof alum, and 200-300 parts of deionized water. The main material comprises the raw materials in parts by weight: 60-80 parts of glutinous rice flour, 15-35 parts of japonica rice flour, 15-25 parts ofbaked dextrin, and 4-10 parts of carboxymethylated starch. The glutinous rice wet glue with high bonding strength is relatively low in cost, rich in raw material sources, high in bonding strength, safe, environmentally friendly, degradable and not easy to harden after being stored for a long time, and has the viscosity and stability improved.

The invention discloses catalyst composition for allantoin preparation and a preparation method of the catalyst composition. The preparation method comprises the steps as follows: 1) a molecular sieve, tetrabutyl titanate, a cerium source, sodium tungstate, amino acid, ethanol and water are subjected to a hydrothermal reaction, and a modified molecular sieve is prepared; 2) the modified molecularsieve is soaked in an acid solution and an active molecular sieve is prepared; 3) the active molecular sieve, aluminum oxide, diatomite, sodium dodecyl benzene sulfonate and rosin are subjected to ball milling, and the catalyst composition for allantoin preparation is prepared. The catalyst composition can efficiently catalyze synthesis of allantoin and has the advantages of being environmentallyfriendly and easy to recover, and besides, the preparation method has the advantages that the process is simple and raw materials are easy to obtain.

The invention discloses a high-flexibility anti-bending robot cable. A power system unit and a control system unit are stranded into a cable conductor; a cotton rope filling layer is arranged in a gap of the cable conductor; an aluminium foil shielding layer and a shielding layer woven with tinned copper wires are sequentially wrapped outside the cable core and the cotton rope filling layer; a thermoplastic elastomer outer sheath is extruded on the outermost layer of the cable; and each of the power system unit and the control system unit is formed by a conductor and a polyvinyl chloride insulation layer extruded on the outer layer of the conductor. The invention provides the high-flexibility anti-bending robot cable which has high flexibility, bending resistance, high wear resistance, anti-interference capacity, resistance to acid and alkali, oil-water resistance, tear resistance, high toughness, aging resistance and excellent weather resistance and simultaneously also has excellent electrical insulation property and environment-friendly performance.

The invention relates to the technical field of a plastic track, in particular to a manufacturing process of a polyether polyurethaneurea prefabricated plastic track. The process is characterized inthat a product structure is divided into three layers: a surface layer, a strong power layer and an elastic layer. The raw materials comprise terminated isocyanate, polysiloxane, hydroxyl-terminated polybutadiene, polyurethane polyurethane adhesives, talcum powder, kaolin, lead salt, organic tin, phthalocyanine blue, red clay, stearate, phthalate, EPDM rubber particles and damping particles. The process has the advantages that the thickness of the laid track has uniform thickness; the appearance is attractive; durability is realized; the level and grade of the sports field are greatly improved;the construction speed is high; the harmful smell radiation and pollution due to volatile matters generated during the plastic slurry laying and injection in the prior art on the environment can be avoided; the social benefits and the life quality of people are greatly improved.

The invention discloses a vehicle wheel hub balancing strip. The invention comprises a balancing strip main body (1) and an installing part arranged on the main body and used for installing the main body at the inner side of the wheel hub; the balancing strip main body (1) is a flexible outer sleeve with the both ends to be closed and a pipe cavity (2) inside; metal grains (3) are arranged in the pipe cavity (2); the volume of the residual space which is not occupied by the metal grains (3) in the pipe cavity is 1/3 to 1/2 of the total volume of the pipe cavity (2); the diameter of the metal grain (3) is equal to or smaller than 400 meshes; the metal grain (3) is a stainless steel grain or iron sand grain. The invention has the advantages that the cost is low, and the default that the wheel hub balancing because the non-balancing point test exists the error or the balancing strip equipment error is not ideal can be made up through effective automatic calibration (adjustment) of the wheel hub balancing.

The invention discloses a turboprop engine-based hybrid power unmanned aerial vehicle and a take-off and landing control method thereof. The unmanned aerial vehicle comprises an vehicle body, a left wing, a right wing, a left aileron, a right aileron, a left flap, a right flap, a main propeller, a left wing motor, a left wing propeller, a right wing motor, a right wing propeller, a horizontal stabilizer, a vertical stabilizer, an elevator, a rudder, a turboprop engine, a turboprop engine reducing mechanism, a clutch A, a clutch B, an inverter, a power generation/electric all-in-one machine, astorage battery pack, an oil tank, a temperature sensor, a pressure sensor, a state-of-charge estimation module and a control module. the turboprop engine and the motors are jointly arranged on the unmanned aerial vehicle, so that the unmanned aerial vehicle has multiple flight modes and can well adapt to various flight requirements; and in addition, the turboprop engine is higher in efficiency, better in stability and longer in service life compared with a piston engine, and cheap aviation kerosene can be used for the turboprop engine.

The invention relates to the field of coatings, the invention discloses a spraying coating, and a preparation method and a spraying method thereof. The spraying coating is prepared from 40 to 45 partsof a waterborne epoxy resin emulsion, 5 to 10 parts of a waterborne acrylic emulsion, 0.5 to 2 parts of propylene glycol butyl ether, 0.5 to 1.5 parts of a dispersoid, 1 to 2 parts of a dispersing agent, 0.1 to 0.5 part of a leveling agent, 0.04 to 0.05 part of antifoaming agent, 20 to 25 parts of deionized water, 1 to 2 parts of a pigment and 1 to 2 parts of a filler. According to the spraying coating prepared by the invention, deionized water is used as a diluent; impurity introduction can be further avoided; the waterborne acrylic emulsion is added, the spraying coating can be matched withwaterborne epoxy resin emulsion to obtain the spraying coating which is easy to spray, good in adhesive force and toughness; spraying can be carried out more quickly and better; the propylene glycolbutyl ether is added, so that the coalescence performance of the spraying coating is improved, the toxicity of the propylene glycol butyl ether is extremely low, the environment-friendly performance of the spraying coating can be guaranteed, the dispersoid and the dispersing agent are added, stirring and dispersing can be better and faster conducted in the spraying coating preparation process, andthe more uniform spraying coating is obtained.

The invention discloses a preparation method of high-yield allantoin, comprising: 1) subjecting molecular sieve, tetrabutyl titanate, a zirconium source, sodium tungstate, amino acids, ethanol and water to hydrothermal reaction to obtain modified molecular sieve; 2) soaking the modified molecular sieve in an acid liquid to obtain activated molecular sieve; 3) subjecting the activated molecular sieve, cyclodextrin, nitrates and water to contact reaction, and drying to obtain a catalyst to prepare allantoin; 4) subjecting glyoxal and nitric acid to oxidation reaction to obtain glyoxylic acid, and subjecting the glyoxylic acid, urea and the catalyst to condensation reaction to obtain allantoin. The preparation method imparts high yield to allantoin and has the advantages that environmental friendliness is achieved and the catalyst is easy to reclaim.

The invention relates to the technical field of medical paper-plastic bags, in particular to a medical paper-plastic bag with high bacterial resistance, a second surface layer is arranged above a first surface layer, three connected side edges of the first surface layer and the second surface layer are sealed through heat sealing edges, and openings are formed in the other side edges of the first surface layer and the second surface layer. The sealing device is novel in design, the environment-friendly effect can be achieved through repeated utilization, cost waste is reduced, the auxiliary sealing mechanism can enable an opening to be closed more tightly, the problem that gap bonding is not firm easily due to long-time opening and closing of mother and child sealing strips is solved, the sealing performance is improved, repeated use is convenient, internal gas can be emptied through the gas discharging mechanism, and the sealing effect is improved. And the stored instruments can be conveniently fixed through the object fixing assembly, the problem that bacteria enter the paper-plastic bag due to air leakage caused by the fact that the instruments pierce the paper-plastic bag is solved, and the overall bacterium blocking performance is improved.