35results about How to "No cumulative effect" patented technology

The invention relates to a method for recycling sulfur-containing refining waste residue generated in the process of liquid steel refining for refining slag, which is characterized by taking cooling pulverization pretreatment fine powders, roasting the sieving fine powders in the weak oxidizing atmosphere that an oxygen partial pressure is between 0.08 and 0.15atm at a temperature of more than or equal to 1100 DEG C to convert a harmful component CaS to an effective component CaO so as to remove sulfur impurities, and decomposing calcium hydroxide. In the method, the recycling of the sulfur-containing refining waste residue is directly used for reusing the refining slag with high utilization value, and the maximum utility value of the abandoned sulfur-containing refining slag is fully exerted. Compared with the conventional technology application, the invention can increase the value added for each ton of the abandoned sulfur-containing refining slag by more than 800 RMB. Moreover, the sulfur in the sulfur-containing refining waste residue is removed by a simple oxidizing and roasting process to guarantee the cleanliness of the recyling product, the liquid steel resulfurization can not be caused in the recycling process of carrying out the liquid steel desulfuration, the cumulative effect of the sulfur can not be generated in the metallurgy process, and a novel way of recycling the sulfur-containing refining slag is developed.

The present invention relates to a deep treatment reuse method for cellulose ethanol production wastewater. The method mainly comprises three systems, wherein a pretreatment system adopts processes such as neutralization precipitation, gas dissolution gas flotation and cooling, a biological treatment system adopts a two stage anaerobic biological treatment and aerobic SBR, a deep treatment adopts a combination process, the combination process comprises electrolytic catalysis oxidation, a membrane bioreactor treatment, an ultrafiltration-reverse osmosis treatment and the like, and the effluent treated by the processes is completely adopted as water for cellulose ethanol production to be recycled so as to achieve purposes of water saving and emission reducing of cellulose ethanol production.

The invention provides a power chip type LED light source for an LCD backlight module, which is formed by a plurality of grid-shaped semiconductors, and at least two LED semiconductors are arranged in each grid. The LED light source comprises a printed circuit board (PCB), an LED chip arranged at the upper side of the PCB and a light-emitting lens arranged at the light-emitting surface of the LED chip; a radiator is arranged under the PCB, PCB leads are distributed around the radiator, and the radiator is assembled with electrical connection structure and a corresponding control circuit; and the radiator and the PCB are fixed into a whole by a mechanical fastening part and the same extended light source. The power chip type LED light source has stable and shockproof structure, good color rendition and heat dissipation effect, no incomplete shadow, electricity conservation and long service life, and can remarkably improve the color expressive force of liquid crystal display.

The invention discloses a duty ratio calibration circuit of a precharge logical digital clock, which comprises an input buffer stage BUF, a cycle delay line HCDL, a matching delay line MDL, a RS trigger and a power control module PM. The duty ratio calibration circuit of the invention has the advantages of rapid establishment (1.5 clock cycles), relative stability and no accumulative effect of duty ratio calibration errors. Compared with some duty ratio calibration circuits based on digital detection and adjustment mode, differential precharge logic is adopted in the invention to construct a basic delay unit, so that the calibration circuit of the invention has smaller delay time, thereby obviously improving the upper limit of the working frequency of the circuit and the calibration accuracy. In the invention, the RS trigger with a novel structure is used for realizing more accurate matching of time delay of paths from a setting end to an output end and from a resetting end to the output end and keeping consistent characteristics under the condition of each technological angle.

The embodiment of the invention discloses an environment-friendly nano antifouling algicide and a preparation method thereof. The environment-friendly nano antifouling algicide is prepared from the following raw materials by mass percent: 5 to 10 percent of water-based nano silver dispersoid size, 10 to 20 percent of 4,5-dichloro-N-octyl-4-isothiazoline-3-one, 5 to 10 percent of 2-octyl-4-isothiazoline-3-one, 5 to 10 percent of benzimidazole, 3 to 5 percent of emulsifier, 5 to 8 percent of antifreeze, 1 to 3 percent of penetrant, 1 to 3 percent of amine neutralizer, 1 to 3 percent of thickener, 5 to 10 percent of solubilizing stabilizer, 5 to 10 percent of synergist, 5 to 8 percent of ethanol and 20 to 30 percent of deionized water. The environment-friendly nano antifouling algicide and the preparation method thereof disclosed by the invention have the characteristics of low manufacturing cost, low toxicity, safety for water source and environment, and are of great significance for saving energy, protecting the environment and creating a harmonious relationship between human and nature.

The invention discloses a novel long-acting broad-spectrum bacteriostatic and antibacterial multifunctional water-based building coating and a preparation method thereof. The coating is prepared by compounding the following raw materials: water-based emulsion, pigment filler, a water-based functional aid, a water-based nano-composite bacteriostatic and antibacterial agent, deionized water and thelike. The coating is environment-friendly, does not generate drug resistance, does not have in-vivo accumulation, forms effective protection after coating the surface of a base material, and is long-acting, broad-spectrum and durable in bactriostasis and antibacterial effect while being strong in decoration. According to the invention, nano metal ions with stable functional ions are further introduced, and the water-based nano composite bacteriostatic and antibacterial agent is prepared by grafting and nano composite technologies, so that the defects of high toxicity, low activity, poor application performance in different environments and the like of the traditional bacteriostatic and antibacterial material product are overcome. The product provided by the invention can form an automaticadjustment bacteriostatic and antibacterial base system in a severe environment, inhibits mutual aggregation and derivation of microorganisms and bacteria in a long-acting and broad-spectrum manner, and is a long-acting and ecological bacteriostatic, antibacterial and mildew-proof material.

The embodiment of the invention discloses a waterborne wood enamel seal primer and a preparation method thereof. The waterborne wood enamel seal primer is prepared from the following components in percentage by mass: 30 to 50 percent of waterborne nanometer enamel seal emulsion, 5 to 8 percent of waterborne nanometer flame-retardant dispersion slurry, 0.5 to 1 percent of waterborne nanometer silver dispersion slurry, 10 to 20 percent of waterborne polyurethane emulsion, 1 to 3 percent of a waterborne wetting dispersant, 5 to 10 percent of a lead-free filler, 1 to 3 percent of a penetrant, 0.5 to 1 percent of a solubilizing stabilizer, 0.3 to 0.5 percent of an ultraviolet absorption stabilizer, 0.2 to 0.5 percent of a mildew preventive, 0.5 to 2 percent of an anti-fouling agent, 1 to 3 percent of an amine neutralizer, 2 to 5 percent of an antifreezing agent, 0.5 to 2.5 percent of a coalescing agent and 10 to 25 percent of deionized water. The waterborne wood enamel seal primer has excellent properties such as water resistance, early compression resistance, reinforcement expansion resistance and sanding property; the burning of wood products can be effectively prevented and reduced; and the waterborne wood enamel seal primer has active mildew-resisting and antibacterial properties.

The invention relates to an environment-friendly fluorine-contained water-based defoaming wetting agent and a preparation method thereof. The environment-friendly fluorine-contained water-based defoaming wetting agent is prepared from the following raw materials by mass percent: 10%-20% of natural fatty alcohol, 10%-20% of higher fatty alcohol, 1%-2% of an emulgator I, 2%-5% of an emulgator II, 1%-3% of a fluorine monomer, 2%-5% of siloxane, 5%-10% of silicon dioxide, 1%-2% of an antifreezing agent and 45%-60% of deionized water. The environment-friendly fluorine-contained water-based defoaming wetting agent is capable of, through rigorous raw material selection, and cooperating with an optimized synthetic mode, introducing a perfluor group to change a polymer structure, greatly improvinguniversality, weather resistance, pollution tolerance, high anti-corrosion and self-cleaning property of a product, and extensive in application prospect. The provided fluorine-contained water-based defoaming wetting agent is polymerized and prepared by the non-toxic harmless raw materials, and the product is green and environmentally friendly, and does not contain volatile matters, such as formaldehyde and a VOC, harmful to the environment.

The embodiment of the invention provides an aqueous environmentally-friendly nano-copolymer multifunctional defoamer and a preparation method thereof. The raw materials of the defoamer comprise, by mass, 20-26% of a natural vegetable fatty alcohol, 10-15% of a higher fatty alcohol, 5-10% of an amide, 5-8% of a nano-hydrophobic agent, 0.5-1% of a fluorine monomer, 3-6% of a silane, 2-5% of an initiator, 1-2% of an active polymerization agent, 0.5-1% of a catalyst, 1-2% of a thickener, 1-2% of an antifreeze agent and 30-45% of deionized water. The defoamer provided by the embodiment of the invention is prepared by raw material selection and a copolymerization synthesis mode, a nano-material group is introduced to change the polymer structure, and harmful substances such as a conventional emulsifier, formaldehyde and silicone oil are not used, so the versatility, the weather resistance, the stain resistance, the high corrosion resistance and the auto-cleaning property are improved. The product can be decomposed by hydrolysis, photodegradation and biodegradation without causing cumulative effects, so the product is very safe to water sources and the environment.

The invention relates to the technical field of natural rubber primary processing, and in particular relates to an ammonia-free preservative for natural fresh latex. An oxidation-type bactericide is selected from a large amount of solid, water-soluble, non-volatile and broad-spectrum bactericides aiming at pollution problems of ammonia and ammonia composite preservatives, and the oxidation-type bactericide is compounded with an alkaline stabilizer to be used as a preservation system of the natural latex. The novel preservation system provided by the invention has the characteristics of a goodpreservation effect, low costs, no ammonia, no volatilization, no irritation, easy solubility in water and convenient use, and can preserve the natural latex for a plurality of days, and the preparedraw rubber has excellent properties, especially has significantly-improved aging resistance; and in addition, the preservative can also be applied to early-stage preservation in the ammonia-free concentrated latex preparation process, and the overall costs are lower than those of a currently-used ammonia and TT/ZnO systems.

The invention relates to the technical field of centrifuge balancing, and specifically discloses a dynamic unbalanced force adjustment system and a geotechnical centrifuge. The dynamic unbalanced force adjustment system comprises a first pressure vessel, a second pressure vessel, shells and a control unit, the first pressure vessel and the second pressure vessel are separately placed on two sidesof a rotating axis of a rotating device, the first pressure vessel and the second pressure vessel have the same structure, pistons which separate inner cavities of the shells to form gas cavities andliquid cavities are arranged in the shell, and the liquid cavity of the first pressure vessel communicates with the liquid cavity of the second pressure vessel through a communicating device pipeline;and the output end of the control unit communicates with the gas cavities of the first pressure vessel and the second pressure vessel. The dynamic unbalanced force adjustment system has the advantages that the total amount of liquid remains constant, and the gas pressure and gas volume in the pressure vessels on two sides can be supplied and exhausted at the right time according to the demand, sothat the reciprocating trimming process has no cumulative effect and can realize reciprocating continuous reversibility adjusting.

The invention discloses a preparation process of a gel combination with a sweating function, and relates to the technical field of gels, the technical scheme is as follows: the preparation process comprises preparation of sweating active gel and preparation of conductive solids, and the preparation of the sweating active gel comprises the following specific steps: S1, preparing the conductive solids; the preparation method comprises the following steps: dissolving pilocarpine or nitrate or choline receptor stimulant or organic matter and agar in deionized water according to a certain proportion, heating, stirring to fully dissolve the components after heating, pouring into a gel grinding tool after dissolving, standing, and cooling and solidifying; the preparation process of the gel combination with the sweating function has the beneficial effects that active substances can be excited in a current path to enter a body so as to achieve the sweating function, the gel combination is convenient, can be randomly adjusted, has no side effect on a human body and can be used for a long time, a product can be quickly metabolized by acetylcholine enzyme in the body, and the sweating function is realized. And the method is safe and effective.