317results about How to "Eliminate destruction" patented technology

The invention relates to a glass fiberreinforced thermoplastic composite and a continuous fiber-reinforced composite, which are prepared with the following raw materials percentagewise by weight: 35-60 % of resin, 35-60 % of dip treated glass fiber and 0.5-5 % of auxiliary agent. The invention adopts resin and dip treated glass fiber as main raw materials, mixtures of antioxidant, ultraviolet absorbent and light-stability agent as main auxiliary agents, with logical formulations, eliminates the damage to glass fibrous surface caused by twin-screw with continuous fiber-reinforced composite producted by this manufacturing technique, improves product lustrous surface, binding properties between fiberglass and resins by a treatment for glass fibrous surface and mechanical properties of products, protects the materials for long periods from destruction because of addition of various stabilizing agents, and solves the limitation that general materials can not be used for a long time in extreme conditions such as high temperature, high humidity, radiation and so on.

The invention relates to a method for preparing nano flyash zeolite. Flyash is used as a raw material in the method, and the method comprises the following steps of: firstly melting the flyash and sodium hydroxide at high temperature; mixing the molten flyash with concentrated seawater used as a solvent, stirring and aging to obtain silica-alumina gel; crystallizing the silica-alumina gel hydrothermally, and then washing with water to be neutral; and finally drying to obtain a powdery product. Based on the special aperture structure of zeolite, the synthesized zeolite can be applied to catalysis, adsorption, ion exchange and soil improvement. By using the flyash and the concentrated seawater which are both wastes, the method realizes the recycling of the flyash and the concentrated seawater and is a new environment-friendly production method which meets the requirement of sustainable development.

The invention provides an electrochemical device and a method for treating high-concentration ammonia organic wastewater and a method. The device is divided into an anode chamber and a cathode chamber through a diaphragm; a water inlet is formed in the top part of the anode chamber; a pipeline with a valve communicated with the top part of the cathode chamber is arranged on the bottom part of the anode chamber; a water outlet is formed in the bottom part of the cathode chamber; an alga-bacteria biofilm is arranged on the surface of a cathode; an ammonia nitrogen-resistant electroactive biofilm is arranged on the surface of an anode; the cathode and the anode are connected with an adjustable resistor and a photocell controlled by a timing relay. The device respectively removes an organic matter and ammonia nitrogen on the anode and the cathode, prevents the influence on the cathode caused by that a continuous flow from bringingcarrys the organic matters from the anode so as to influence the cathode, and eliminates the phenomenon that a nitration liquid reflows to the anode so as to bring oxygen and nitrate to influence on the anode caused by that nitration liquid reflows to the anode and brings oxygen and nitrate in. A cathode algae alternative dark light reaction and phycomycete synergism are utilized, so that multi-way denitrification such as bio-nitrification-denitrification, electrochemical reduction and algae absorption is realized. Meanwhile, the photocell discharges to intensify the operation of a drive device at night. The device is self-controlled in energy, and can be used for sustainably and high-efficiently treating the high-concentration ammonia organic wastewater.

The invention belongs to the field of battery materials, and specifically relates to a method for recovering positive active materials from battery material offcuts and slurry. The method comprises the following steps of: filling positive plate or dry positive slurry to be recovered into a pulverizer, screening into a powder, putting the powder into a fluidized bed and removing impurities of conductive carbon and a binder; letting a gas pass through a cyclone separator on the top of the fluidized bed to remove entrained powder, passing through a fixed bed to remove harmful gases, heating and blowing into the fluidized bed for cyclic utilization, cooling the powder at the bottom, and sieving to obtain a qualified positive powder. According to the invention, the process flow is short; the powder is in a fluidization state in the fluidized bed during the process of heat treatment; and the gas and the powder fully contact with each other and the reaction is complete. Therefore, the problems of high impurity content in the product and low recovery rate in a traditional technology are fundamentally resolved; in addition, cobalt and lithium elements are simultaneously recovered, the recovery rate of an active substance reaches up to 94%, and simultaneously side-effect will not be exerted on the active substance and it selectrochemical properties.

A LCD device includes a first base board, a second base board, a liquid crystal layer, multiple pixel electrodes, a common electrode and two diffusers, among which, the first base board is set opposite to the second base board, said LC layer is set between the two baseboards, said multiple pixel electrodes are set between said LC layer and said first base board, said common electrode is set between said pixel electrodes and the first base board, said two diffusers are set on the two base boards separately, said pixel electrode are reflective, at least one diffuser is set at the inside surface of the related base board.

The invention discloses an isolating net piece and a carrier vehicle for loading the isolating net pieces. The isolating net piece comprises an isolating net piece body, a support and an isolating barrier, wherein the isolating net piece body comprises a framework and a net piece arranged on the framework, the support comprises a regulating lever and regulating lever landing legs, is arranged at one side of the isolating net piece body, and is used for supporting the obliquely placed isolating net piece body and regulating the length of the regulating lever according to needs, and the isolating barrier inclining towards the same side is formed by serially connecting a plurality of isolating net piece bodies. The compartment body of the carrier vehicle is formed by a plurality of tank bodies, one isolating net piece is placed in each tank body, the isolating barrier formed by serially connecting the isolating net piece bodies is not easy to damage or incline, can prevent people from climbing and crossing and has a very good blocking effect, handling of the isolating net pieces is convenient and labor-saving, and since the carrier vehicle for loading the isolating net pieces is specially designed, loading of the isolating net pieces is fast, and the transportation process is safe and reliable.

The invention relates to a solid desulfurizer and a production method thereof, in particular to a composite calcium-based solid desulfurizer which is prepared from industrial waste residues and the production method thereof. The desulfurizer is prepared by the following steps of: directly mixing carbide slag slurry, dicyandiamide slag serving as a modifier, a chemical drying agent and magnesium slag powder which serves as another modifier; stirring and mixing; performing wet milling to prepare slurry; performing dry milling to prepare powder; and sieving. The prepared composite calcium-based solid desulfurizer is mainly compounded by calcium hydroxide or calcium hydroxide and calcium carbonate, wherein the desulfurizer contains an active magnesium oxide component, integrates the characteristics of a single calcium base or a magnesium-based desulfurizer and has composite effects. Moreover, the desulfurizer has the characteristics of saving a large amount of energy, protecting environment and reducing the cost of a flue gas desulfurizer, along with cheap and wide raw material resource, large amount of doped magnesium slag, carbide slag and dicyandiamide slag, no heat source, high dehydration speed, stable physical performance and the like; in addition, the desulfurizer has the advantages of small equipment investment, low operation cost, capability of eliminating the damage of limestone exploitation to the environment and the like.

The invention discloses a (thin and extremely thin ore body mining method) which is mainly used for mining a steep ore body. Hanging wall surrounding rocks of the steep ore body are unstable to moderately-stable and had better naturally collapse to form blocks, heading wall surrounding rocks of the steep ore body are moderately-stable, the ore body is extremely unstable or moderately-stable, a drilling drift is not supported, and a blast hole does not deform. The method is applicable to mining of an ore with regular morphology of the ore body, small thickness change, fewer horse-stones or no interlayer, no spontaneous combustion, no adhesion, collapsible grounds and surrounding rocks, obvious ore-rock boundary lines and complicated conditions. By the aid of a subsection caving method, mid-deep borehole drilling, pre-splitting blasting and reinforced concrete false roof laying is introduced, and actual mining is performed under a false roof (only by laying in a first sub-layer and generally in a middle roadway). The method has the advantages that safety of operators is good, ore block production capacity is high, mining equipment is simple, convenient to use and maintain and low inmining cost, and the mining method is used for mining a steep narrow vein with proper conditions with the development of a mining technology.

The invention relates to the field of protection of stones and stone cultural relic and provides a nanometer photocatalysis surface protection material for stones and stone cultural relic and a preparation method of the material. According to the invention, titanium alcoholate is taken as the main raw material; the titanium alcoholate, solvent, chelating agent, catalyst and the like are mixed, and are stirred fully under the condition of normal pressure and below the temperature of 100 DEG C to react, so as to obtain anatase titanium dioxide collosol surface protection liquid for stones and stone cultural relic; and a surface protection film made of anatase titanium dioxide photocatalysis material is formed on the surface of a stone, which is cleaned with solvent, through the method of brushing, soaking or the like. The nanometer photocatalysis surface protection material has the advantages that the reversibility is good; the compatibility with stones is good; the acid resistance is strong; the alkaline resistance is strong; the weatherability and the soil resistance are good; the self-cleaning capability is strong; the fungus resistance is good; and the appearance, the color and the hand feeling of the original stone are not affected.