66results about How to "Wear-resistant surface" patented technology

The invention relates to a process for preparing asphaltic concrete with conducting function, which is characterized in that the process includes the procedures of 1), preliminary treatment of aggregates, which means washing away the foreign matters of the steel slag with water. 2), raw materials preparation, which means that the percentage by weight of each component is that rough aggregates is 55%-80%, fine aggregates is 13%-30%, mineral filler is 7%-15%, the rough aggregates, fine aggregates and mineral filler are selected to reserve as aggregates, consumption of asphalt cement is 6%-8% of the weight of the aggregates, consumption of fabric stabilizer is 0.1%-0.5% of the gross weight of the aggregates and the asphalt cement, consumption of conducting material is 10-30% of the weight of the asphalt cement, and gradation design of SMA mixture is employed. 3), mixture blending, which means charging fractionally and blending multitime, the temperature is kept not lower 150 DEG C when molding. The preparing process has simple technique and low cost. The prepared asphaltic concrete has good conducting function and pavement using property.

The invention discloses a manufacturing process for a shield ring for a wheel type engineering machinery wheel and a special mould, and belongs to the technical field of engineering machinery. The manufacturing process comprises the following working procedures: heating, in which an annular ring blank is heated to be between 700 and 900 DEG C to form a heating workpiece; necking, in which the heating workpoece is subjected to necking and pressing by using a necking mould to prepare a necking workpiece; and forming, in which the necking workpiece is subjected to forming and pressing by using a forming mould to prepare a finished shield ring. The special mould comprises an upper mould body and a lower mould body, and the upper mould body comprises a necking upper mould body and a forming upper mould body. The manufacturing process and the special mould are applicable to manufacturing the shield ring for the wheel type engineering machinery wheel.

The invention belongs to the technical field of textile, and in particular relates to a production process of a high-strength oxhide non-woven leather fabric. The production process comprises the following steps: mixing 20% of polyester fiber with 80% of nylon fiber, carrying out cross-laying by a lapping machine, and preparing a non-woven fabric through a spun-laced machine; mixing 93% of oxhidefibers with 7% of polyester fiber to form a mixed fiber layer, carrying out cross-laying by the lapping machine, putting the prepared non-woven fabric under the mixed fiber layer for transportation bya conveyor belt during cross-laying, and carrying out high-pressure spunlace on the mixed fiber layer and the non-woven fabric together through a spun-laced machine to form an oxhide non-woven leather fabric; shaping the prepared oxhide non-woven leather fabric in an oven, flattening and polishing the surface of the fabric, and passing the fabric through a hot roller; and finally, arranging a layer of PU on the surface of the fabric. According to the production process of the high-strength oxhide non-woven leather fabric, provided by the invention, the produced product has high tear strength,high wear resistance on the surface and high scratch resistance. Moreover, making full use of scraps of real leather to turn waste into valuables not only reduces the production cost, but also reduces the pollution to the environment.

The invention discloses a treatment process for an abrasion-resistant and corrosion-resistant metal substrate. The process comprises the following steps of S1, primary rust removing treatment, S2, primary cleaning, S3, leaching with acid liquor, S4, abrasive blasting treatment, S5, electroplating treatment, S6, anodic oxidation treatment, S7, coloring treatment and S8, drying treatment. The production process is simple, and the abrasion resistance and the corrosion resistance of the metal substrate can be effectively improved.

The invention relates to a scratch resistant environmental low-smoke halogen-free flame resistant sheath material for a special optical cable. The sheath material comprises the following components by weight percent: 15-25% of ethylene-vinyl acetate copolymer, 5-10% of polyethylene, 5-10% of polyethylene elastomer, 45-60% of flame retardant, 5-10% of compatilizer, 0.5-2% of antiwear agent, 0.5-1.0% of lubricant and 0.1-0.5% of antioxidant. The material of the invention has no halogen, low pollution to the environment, good flame resistant performance, low smoke caused by burning and low irritation to human. The outer sheath of the cable prepared by the sheath material of the invention has excellent surface abrasion resistance and scratch resistant so that the surface of the outer sheath is not easy to scratch during construction and used processes and can maintain good appearance quality.

The invention discloses a sweet and cool tipping paper gravure alcohol-soluble surface coating and tipping paper prepared therefrom. The sweet and cool tipping paper gravure alcohol-soluble surface coating comprises the following raw materials by weight: 0.1 to 0.3% of a sweetening agent prepared from neotame, mannitol, a rosvenor momordica fruit extract and fine moringa seed powder with a particle size of 1000 meshes, 15 to 20% of WS-23(N,2,3-trimethyl-2-isopropylbutanamide) cooling agent, 30 to 36% of polyvinyl butyral, 4 to 5% of castor oil, 1.6 to 2% of wax micropowder, 2.5 to 3% of whitecarbon black and 33.7 to 46.8% of edible ethanol. According to the invention, the tipping paper printed by using the sweet and cool tipping paper gravure alcohol-soluble surface coating provided by the invention is smoother, brighter, stain-resistant, water-resistant and wear-resistant in surface, has special sweet and cool tastes, and tastes cool and sweet; wear resistance, folding resistance andfunctionality of a printed product are reinforced to a great extent; and the reputation of he product is improved.

The invention discloses a check ring special die for a wheel type engineering machinery cartwheel, belonging to the technical field of engineering machinery. The die comprises an upper die body an a lower die body; the upper die body is composed of a necking upper die body and a forming upper die body; the necking upper die body is formed by fixed connection of an upper die seat, a necking die and a guide pillar; the underhorn of the interior of the necking die is provided with a necking groove; the forming upper die body is formed by fixed connection of an upper die seat, a forming die and a guide pillar; the underhorn of the interior of the forming die is provided with a forming groove; the lower die body comprises a cylindrical annular terrace die; the inner side surface of the terrace die is connected with a guide sleeve; the lower end surface of the terrace is fixedly connected with a lower die seat; the outer side surfaces of the terrace die and the lower die seat are in sliding connection with a stepped ejector plate which is in elastic connection with a positioning plate upwards; the outer surfaces of the positioning plate and the lower die seat are fixed with annular limit plates; and the lower die seat is fixedly connected with a baseplate downwards. The invention is suitable for preparing check rings for wheel type engineering machinery cartwheels.

The invention discloses ultraviolet (UV) curing ink screen printing technology for a UV highlight veneer, which relates to UV ink screen printing technology. Ink is printed on the surface of the UV highlight veneer, and a UV curing measure of ink is adopted, so that a pattern is firm and durable. The technology is characterized by comprising the following process steps of: stretching a screen; sizing; drying; printing down; developing; drying; cleaning and drying the UV highlight veneer; printing; and performing UV curing. The technology has the advantages that: environmentally-friendly high-polymer UV resin ink has the properties of fresh color, difficult breakage, acid resistance and alkali resistance; after the UV highlight veneer which is subjected to screen printing is used, a clear pattern, high adhesion, surface wear and flexible and plain tone are realized; and impurities in resin can be filtered better through the screen in the printing process, so that a printed pattern has a bright and flexible color, and the problems of unavailable UV ink printing on the UV highlight plate in the prior art and making of UV on a UV surface are solved.

The invention discloses a nano TiO2-containing cellulose-based low-temperature phase change energy storage microcapsule and a preparation method thereof; the low-temperature phase change energy storage microcapsule comprises a capsule core and a capsule wall, wherein the capsule core is a core-shell structure composite phase change material formed by wrapping the surface of paraffin with ethylene glycol, and the capsule wall is formed by a carboxymethyl cellulose membrane doped with nano TiO2 particles; the preparation method comprises the steps of firstly, preparing a composite phase change material by using an aqueous phase ethylene glycol solution and oil phase liquid paraffin through a micro-emulsion method; then, preparing the capsule wall by using a carboxymethyl cellulose water solution containing tetrabutyl titanate and a silane coupling agent through a sol-gel reaction to obtain the microcapsule; the microcapsule has average particle size of 3-10 microns, phase-transition temperature of minus 12 to 5 DEG C and an enthalpy value of 170-200J/g; furthermore, the microcapsule also has good heat-conducting property; the microcapsule is simple in preparation technology and easy in large-scale production, and products of the preparation method do not contain inorganic salt and an organic solvent which can easily corrode a container, so that the preparation method is green and environment-friendly.

The invention discloses a flue gas denitrification system and denitrification method for a particle material industrial boiler. The denitrification system comprises an exhaust pipeline, a heat accumulator, a denitrification heat accumulator, a cyclone separation device, a desulfurization device and a chimney, wherein the exhaust pipeline is connected to a flue gas outlet of the particle material industrial boiler, and a reducer nozzle is arranged on the exhaust pipeline; the heat accumulator is arranged in the exhaust pipeline and is located in the downstream of the reducer nozzle, and the heat accumulator is suitable for pre-recovering waste heat of the flue gas; the denitrification heat accumulator is arranged in the exhaust pipeline and is located at the downstream of the heat accumulator, and the denitrification heat accumulator is suitable for recovering the waste heat of the flue gas and denitrifying the flue gas; the cyclone separation device is connected to a gas outlet of the exhaust pipeline and is suitable for dedusting the flue gas; the desulfurization device is connected to the cyclone separation device and is suitable for removing sulfur oxides in the flue gas; and the chimney is connected to the desulfurization device. By using the denitrification system, a denitrification reaction can be performed on the flue gas without dedusting, so that the denitrification system is simple to operate and high in denitrification efficiency.

The invention discloses a buckling deformation resisting impregnated film paper veneered plywood and a production process thereof. The plywood comprises a board core, a middle board, a surface board and impregnated film paper. The production process comprises the production of the board core and the production of the plywood, and the production of the plywood comprises the steps of gluing, assembling, cold press forming, hot pressing, pressure relief, putty maintenance, fixed-thickness sanding, gluing and pasting of the surface board, cold press forming, hot pressing, sanding, edge sawing, andpressing and pasting of the impregnated film paper. The buckling deformation resisting impregnated film paper veneered plywood and the production process thereof solve the problems of deformation ofkitchen and cabinet door boards in furniture decoration, and harm of formaldehyde in plywood to air pollution and human bodies.

The invention belongs to the technical field of composite plates, and relates to a pine and bamboo particle recombination board and a manufacturing method thereof. The manufacturing method comprises the following steps: weaving bamboo skin strips in a staggering manner to form a bottom mesh grid and a surface mesh grid; placing a pine particle blended sizing material between the bottom mesh grid and the surface mesh grid in a filling manner, performing high-temperature and high-pressure treatment to obtain a pine and bamboo particle recombination board blank, grinding and polishing the bottom and the surface of the pine and bamboo particle recombination board blank, and cutting to obtain the pine and bamboo particle recombination board finished product. According to the pine and bamboo particle recombination board and the manufacturing method thereof, the problem that the conventional multilayer bonded board is easy to degum and open is thoroughly solved, and the surface bonding strength of the board is greatly enhanced.

The invention discloses a denitration system and a denitration method for fuel gas of a pulverized coal industrial boiler. The denitration system comprises the pulverized coal industrial boiler, a cyclone separation device, a denitration heat accumulator, a desulfurization device and a chimney, wherein a reducing agent nozzle is formed in the side wall of a combustion chamber of the pulverized coal industrial boiler; the reducing agent nozzle is suitable for spraying a reducing agent into the combustion chamber, mixing the reducing agent and the flue gas of the pulverized coal industrial boiler in the combustion chamber and carrying out pre-denitration treatment; the cyclone separation device is connected with a flue gas outlet of the pulverized coal industrial boiler; the denitration heat accumulator is connected with the cyclone separation device; the denitration heat accumulator is suitable for recycling waste heat of the flue gas and carrying out denitration treatment of the flue gas; the desulfurization device is connected with the denitration heat accumulator; the chimney is connected with the desulfurization device. By utilizing the denitration system disclosed by the invention, the denitration treatment can be effectively carried out on the flue gas of the pulverized coal industrial boiler, and the denitration efficiency is remarkable.

The invention discloses a vertical stop catch with a wear plate and a method for preventing fracture of a steel spring. The wear plate is embedded to the top of a rubber body, and the rigidity of the vertical stop catch can be adjusted by adjusting the diameter or height of the wear plate; a base is embedded into the rubber body and is used for limiting the rubber body of the vertical stop catch, and the rigidity of the vertical stop catch can be adjusted by adjusting the height of the base; the upper end of the rubber body is configured to have two or more annular flat-straight sections, and the variable rigidity of the vertical stop catch can be adjusted by adjusting an included angle between the annular flat-straight sections and a horizontal plane; and by adjusting the rigidity, the variable rigidity and a limiting position of the vertical stop catch, the vertical load born by the steel spring can be reduced, and metal fatigues generated by the steel spring during running of a locomotive can be reduced, thereby preventing the fracture of the steel spring. The vertical stop catch also has the characteristics that the structure is firm and cannot be damaged easily, the wear plate, the rubber body and the base are combined compactly and cannot be loosened and divorced easily, and the vertical stop catch is wide in application range and strong in universality.

The invention provides a wearable alloy block, and belongs to the technical field of compound. The alloy comprises a base body, a nickel-cadmium alloy layer and a cobalt-based alloy layer, wherein the nickel-cadmium alloy layer is coated on the surface of the base body; and the cobalt-based alloy layer is coated on the surface of the nickel-cadmium alloy layer. The wearable alloy block provided by the invention has the advantages that the heat resistance and toughness of an iron base body are remained, and the surface wearable characteristic is achieved, therefore, the service life of iron parts is greatly prolonged; and meanwhile, the wearable alloy layer is thin, so the alloy materials which are high in cost can be saved.

The invention discloses a flue gas heat accumulation and denitrification device and a denitrification method for an industrial furnace. The flue gas heat accumulation and denitrification device comprises a first heat accumulation portion and a second heat accumulation portion, wherein a high-temperature heat accumulator is arranged in the heat accumulation portion, and a first opening is formed in the upper portion of the heat accumulation portion; and the second heat accumulation portion is successively divided into an ammonia spraying region and a denitrification and heat accumulation region from bottom to top, a reducer nozzle is arranged in the ammonia spraying region, a denitrification and heat accumulator is arranged in the denitrification and heat accumulation region, a second opening is formed in the upper portion of the second heat accumulation portion, and the bottom end of the second heat accumulation region is communicated with the bottom end of the first heat accumulation portion. The flue gas heat accumulation and denitrification device for the industrial furnace integrates a heat accumulating combustion system and the flue gas denitrification system, so that the denitrification treatment on the flue gas is realized while flue gas waste heat is recovered. The flue gas heat accumulation and denitrification device has double functions of heat accumulation and denitrification.

The invention discloses a modified asphalt waterproof roll for tunnel engineering. The modified asphalt waterproof roll comprises a special roll, wherein a roller shaft is mounted inside the special roll; square supporting plates are mounted at the two ends of the roller shaft; a roll side bulge is arranged on the bottom surface of one side of the special roll; a roll side groove is formed in thebottom surface of the other side of the special roll; the special roll comprises a lining base layer, an anticorrosive layer, a buffer layer, a second isolating membrane, a surface waterproof layer, afireproof layer and a waterproof thick adhesive layer; the second isolating membrane is mounted above the waterproof thick adhesive layer; the buffer layer is mounted on the upper end surface of thesecond isolating membrane; the anticorrosive layer is mounted on the upper end surface of the buffer layer; the lining base layer is mounted on the upper end surface of the anticorrosive layer; the fireproof layer is mounted on the upper end surface of the lining base layer; the surface waterproof layer is mounted on the outer surface of the fireproof layer. The modified asphalt waterproof roll isstrong in waterproofness, has fireproof, cold-resistant and buffering performance and the like and is high in safety.