34results about How to "High Strength Corrosion Resistance" patented technology

The invention provides a high-intensity low-stretchability polysulfonamide high-temperature-resisting membrane filter material and a preparation method thereof. The filter material disclosed by the invention is formed by compounding a PTFE (Polytetrafluoroethylene) high-compactness microporous membrane layer and a punched felt in sequence from top to bottom. The punched felt is formed by compounding a first polysulfonamide fiber surface layer, a high-intensity low-stretchability base cloth layer and a second polysulfonamide fiber surface layer in sequence from top to bottom. The preparation method comprises steps of: preparation of the punched felt, high-temperature thermoforming, singeing and pressing treatment, full-saturation immersion treatment, predrying, baking curing, and high-temperature high-pressure coating with the PTFE high-compactness microporous membrane. The high-intensity low-stretchability polysulfonamide high-temperature-resisting membrane filter material has high intensity and low stretchability, longitude and latitude strengths are both larger than 3000N / 50mm; the longitude and latitude elongations at break are both smaller than 10%; and the filter material can resist a high temperature grade of 250 DEG C and has high corrosion resistance, good oxidization resistance, smooth surface, high deashing efficiency and wide application range.

This invention relates an underground prefabricated pump station, relates to equipment for storing and lifting rainwater, sewage, drainage, wastewater and the like, and belongs to the technical field of water supply and drainage. The underground prefabricated pump station comprises a prefabricated glass-reinforced-plastic cylinder body (1), a crushing grating (2), a water pump (3), a water pump coupler (4), a liquid level control system (5), a cylinder bottom self-cleaning device (6), a cat ladder (7), a water inlet pipe (8), a water outlet pipe (9), a gas vent (10) and a control box (11), has the characteristics of small occupied area, short installation period, low capital cost, time and labor conservation in maintenance and no sludge deposit in the cylinder body, and is highly intelligent.

The invention discloses an elastic anti-aging plastic rope and a manufacturing method thereof. The plastic rope includes a rope body (1) and an EPDM rubber layer (2); the rope body (1) is twisted by polypropylene fibers and polyamide fibers; and a surface of the rope body (1) is covered by the EPDM rubber layer (2). The manufacturing method includes: preparing the anti-aging EPDM rubber layer, preparing the rope body, and covering the rope body with the anti-aging EPDM rubber layer. In the preparation process of the EPDM rubber layer, graphene is added and can enhance the elasticity of rubber,an antioxidant and an anti-aging agent are added which can improve the anti-aging performance of the rubber. The rope body is twisted by the polypropylene fibers and the polyamide fibers, and the polypropylene fibers and the polyamide fibers are light in weight, are high in strength, are good in wear resistance, and are excellent in corrosion resistance. The plastic rope is high in strength, is excellent in wear resistance and corrosion resistance, is good in elasticity, and is excellent in anti-aging performance.

The invention relates to a high-strength bend-resistant anti-corrosion adhesive tape which is sequentially compounded from five layers, namely an aluminum foil reflecting layer, a PE (Polyethylene) high-strength mesh layer, a polyolefine heat-shrinkable layer, a polytetrafluoroethylene layer and a composite bonding layer, in all to form a tape shape. The PE high-strength mesh layer is in a through hole structure, the aluminum foil reflecting layer can be connected with the polyolefine heat-shrinkable layer through a through hole, and the surface of the polytetrafluoroethylene layer is in a wave-shaped structure. The high-strength bend-resistant anti-corrosion adhesive tape disclosed by the invention has the advantages of convenience for use, ultraviolet resistance, high tensile and compressive strength and high corrosion-resistant property, achieves very high bending strength without being broken under relatively high strength bending and achieves good sealing property due to the stress action of the polyolefine heat-shrinkable layer.

The invention discloses a mixture for quickly repairing an asphalt pavement and a repairing method thereof. The mixture comprises a cold mixed asphalt composite material and a grouting material. The cold mixed asphalt composite material comprises bio-based cold-filled asphalt, scrap steel slag and mineral powder. The grouting material comprises Portland cement, quartz sand, a water reducing agent,an early strength agent and rubber powder. A preparation method of the mixture comprises: blending raw materials of the cold mixed asphalt composite material according to a mass ratio, blending raw materials of the grouting material and water to obtain grouting material slurry, cutting, digging and removing the damage parts of the asphalt pavement, spray-coating the asphalt pavement with a waterproof bonding material, paving the cold mixed asphalt mixture, carrying out rolling, pouring the grouting material slurry into the cold mixed asphalt mixture until overflow and carrying out curing. Through combination of the asphalt cold-filled material and the grouting composite material, the mixture has high strength, durability and corrosion resistance, can quickly repair the pavement, effectively shortens a construction period, reduces a cost and prolongs a service life of the pavement.

The invention relates to an offshore well power assisting device, in particular to an offshore well power assisting device with chromium and manganese alloy welding springs. The upper hole end of a welding spring buffer is connected to each platform hinge of an operation platform, and the lower hole end of each welding spring buffer is connected and fixed to a fixing supporting leg. A well drilling swing rod is rotationally fixed to a swing rod shaft pin on a swing rod base, a large well drilling rope is fixedly connected with one side end of the well drilling swing rod, and the large well drilling rope penetrates through a platform drilling hole in the operation platform and then goes deep to a seabed oil well bed. The offshore well power assisting device is characterized in that an isolation component is arranged on a front end cover in a squirrel cage type flameproof triangular belt wheel motor, all the bending moment loads are shared, a motor rotating shaft is made to only bear pure torque, the squirrel cage type flameproof triangular belt wheel motor and the welding spring buffers are combined together through the operation platform, meanwhile, the two problems, namely the power source motor rapid wear problem and the overall buffering problem of oil well facilities, troubling offshore wells are solved, and unexpected effects are achieved.

The invention relates to brazing filler metal, in particular to aluminum and silicon-based brazing filler metal. The aluminum and silicon-based brazing filler metal comprises Al, Si, Cu, Zn and Mn. The aluminum and silicon-based brazing filler metal has the advantages of low melting temperature, excellent wettability, flowability, plating property, machinability and performance, low manufacturing cost, high welded joint strength, corrosion resistance and cost performance and good toughness.

The invention discloses a preparation method of high-strength corrosion-resistant industrial filter cloth, belongs to the field of industrial filter cloth, and aims to solve the problems that the conventional industrial filter cloth is relatively low in strength, the surface of the conventional industrial filter cloth is damaged after being used for a long time, and the conventional industrial filter cloth is in contact with a high-corrosion solvent during filtering, so that the surface is corroded, and the filtering effect is reduced. In the process of preparing the industrial filter cloth, reinforcing particles and corrosion-resistant particles are prepared, the reinforcing particles contain benzoxazine structures, the benzoxazine structures have good wear resistance, an intermediate 6 is grafted on graphene, so that the toughness of the reinforcing particles is improved, the molecular structure of the reinforcing particles is in a net shape through polymerization, and the strength is greatly enhanced; the surfaces of the corrosion-resistant particles are wrapped with epoxy resin structures, the good corrosion-resistant effect is achieved; meanwhile, due to a large number of naphthalene biphenyl structures, the toughness of polyester fibers is further improved, and the reinforcing particles and the corrosion-resistant particles can be evenly dispersed in the polyester fibers.

The invention relates to a plastic chain riveting, the raw materials of which are calculated by weight: 40-60 portions of nylon, 40-60 portions of glass fiber, 0-10 portions of mineral powder, 0.1-0.5 portion of coupling agent, 0.1-0.5 portion of antioxidant, and 0.3-2 portions of lubricant. The plastic chain riveting made by the invention is characterized by long service life without treatment and comparatively long-term high strength and high rigidity maintenance, which is applicable to common electrical or air staple guns, with good comprehensive mechanical property, strong corrosion resistance, light mass and simple forming of products, and grinding and shaving can be done during usage, thus various components with complex shapes can be easily machined.

The invention discloses an oil filter adhesive. The adhesive is prepared from 3-4 parts of a sulfonated modified graphite powder / silicon micropowder composite, 15-25 parts of silane modified epoxy resin, 5-8 parts of butyl rubber, 1-2 parts of diaminodiphenyl methane, 0.5-1 part of bis(2-ethylhexyl) phthalate, 1-1.5 parts of a silane coupling agent KH-550, 0.4-0.7 part of an initiator, 0.3-0.5 part of a stabilizer and 0.4-0.6 part of an emulsifier. The prepared oil filter adhesive has the advantages that the adhesive has high adhesion performance through the synergistic effect of all components; meanwhile, the corrosion resistance is high, the high-temperature resistance is excellent, after curing, the surface is flat, the toughness is good, the service life is long, and the sealing performance of a filter is ensured.

The invention relates to a composite tile and discloses a stainless steel composite tile. The stainless steel composite tile comprises a plastic plate (10) which is integrally formed into a bending shape in an injection molding mode; the upper surface of the plastic plate (10) is sequentially provided with a first composite glue layer (11) and a first stainless steel plate (12); the first stainless steel plate (12) is the same as the plastic plate (10) in shape; and the first stainless steel plate (12) is fixed to the plastic plate (10) through the first composite glue layer (11). The lower surface of the plastic plate (10) is sequentially provided with a second composite glue layer (14) and a second stainless steel plate (15); the second stainless steel plate (15) is the same as the plastic plate (10) in shape; and the second stainless steel plate (15) is fixed to the plastic plate (10) through the second composite glue layer (14). The two end faces of the plastic plate both can be glued with the stainless steel plates, the stainless steel plates and the plastic plate are connected in a glued mode through the composite glue layers, connection is firm, the process is simple, and the manufactured composite tile is high in strength, high in corrosion resistance, long in life, and meanwhile low in manufacturing cost.

The invention provides a powder formation hydraulic machine comprising a machine body, a stand column, an upper pressing head cylinder, a lower pressing head cylinder, a sliding block connected with the upper pressing head cylinder, a pressing mold platform arranged between the upper pressing head cylinder and the lower pressing head cylinder and a pressing platform arranged below the pressing mold platform. The powder formation hydraulic machine further comprises a protective plate, a power system and an electrical system. The stand column is made of 30 CrMnSi, and the stand column is manufactured through quenching and tempering treatment. The powder formation hydraulic machine has high strength and high corrosion resistance since the powder formation hydraulic machine is provided with the stand column subjected to quenching and tempering treatment.

The invention discloses novel alumite. The novel alumite comprises a base membrane layer, a stripping layer, a coloring layer, an aluminum plating layer and an adhesive layer, wherein a carbon fiber layer is arranged between the stripping layer and the coloring layer. The novel alumite not only is waterproof, but also can effectively absorb moisture attached to the alumite in humid air, the coloring layer of the alumite can be kept dry in a certain degree, and the hot stamping effect can be kept for a longer time; and the conductivity of a carbon fiber material is between non-metal and metal,good electrical conductivity can be achieved, the carbon fiber material has high corrosion resistance to organic solvent, acid, alkali and the like and has strong abrasion resistance, and therefore, the damage to the conductivity caused by corrosion or abrasion can be effectively reduced.

A process for recovering phosphoric acid and zinc chloride in the chemical production of activated carbon by use of phenolic glass includes such steps as preparing phenolic glass from phenolic resin and glass fibres, making washing tower with said phenolic glass, spreading said phenolic glass in two circulating pools to form their lining layers, introducing the waste gas of rotary kiln to absorption tower to recover diluted phosphoric acid, depositing while cooling, returning absorbing liquid back to absorption tower, separating dregs from liquid, introducing the liquid to circulating pool, washing the primary cleaned gas in washing tower, depositing the dreg liquid, separating washing liquid from acidic liquid, returning the washing liquid back to washing tower, and introducing the acidic liquid to another circulating pool.

The invention relates to a cooking fume separation and purification all-in-one machine. The cooking fume separation and purification all-in-one machine comprises a cooking fume cover body, a cooking fume separation disc and a waste gas treatment device, wherein the cooking fume separation disc and the waste gas treatment device are arranged in the cooking fume cover body. A cooking fume inlet and a cooking fume outlet are formed in the two ends of the cooking fume cover body correspondingly, and the cooking fume outlet communicates with an air duct. The cooking fume separation disc comprises fan blades, a rotating shaft, a motor and a bracket which are connected in sequence, and the fan blades are arranged at the cooking fume inlet. The waste gas treatment device comprises a filter screen arranged at the lower end of the cooking fume outlet and a UV purification lamp arranged on the inner wall and / or the top of the cooking fume cover body. The cooking fume separation and purification all-in-one machine can effectively separate oil, water and air when cutting cooking fume, can filter and decompose waste gas, reduces pollution to the atmosphere, guarantees the air quality of a kitchen, and enables the kitchen to be free of peculiar smell.

The invention belongs to the technical field of IT (Information Technology) industry, and particularly relates to a ZC intelligent differential pressure balancing flowmeter. The intelligent differential pressure balancing flowmeter comprises a pressure sensor, a temperature sensor and a display and is characterized in that a dual self-locking protection regulating valve is arranged at the front end of a throttling element; the front part and the rear part of the throttling element are respectively provided with a pressure tapping ring; the pressure sensor is arranged at the front end of the throttling element; the temperature sensor is arranged at the front end of the throttling element; a capacitance-type pressure difference capsule sensor is connected with the rear end of the throttling element; each parameter signal line is connected with a central processing unit; and the central processing unit is connected with the display. The invention can obviously eliminate the vortex phenomenon generated at both sides of the throttling element and is inimitable by other throttling elements. Moreover, the flowmeter has strong rot resistance and low purchasing cost and can realize bidirectional flow measurement. The high-intelligent meter integrating three elements of pressure, temperature and flow is powered by a lithium battery, does not generate pollution and realize bidirectional flow. The intelligent differential pressure balancing flowmeter has the precision up to 0.3 percent, reaches the world advanced level and fills the domestic blank.

The invention discloses an elastic anti-aging plastic rope and a manufacturing method thereof. The plastic rope includes a rope body (1) and an EPDM rubber layer (2); the rope body (1) is twisted by polypropylene fibers and polyamide fibers; and a surface of the rope body (1) is covered by the EPDM rubber layer (2). The manufacturing method includes: preparing the anti-aging EPDM rubber layer, preparing the rope body, and covering the rope body with the anti-aging EPDM rubber layer. In the preparation process of the EPDM rubber layer, graphene is added and can enhance the elasticity of rubber,an antioxidant and an anti-aging agent are added which can improve the anti-aging performance of the rubber. The rope body is twisted by the polypropylene fibers and the polyamide fibers, and the polypropylene fibers and the polyamide fibers are light in weight, are high in strength, are good in wear resistance, and are excellent in corrosion resistance. The plastic rope is high in strength, is excellent in wear resistance and corrosion resistance, is good in elasticity, and is excellent in anti-aging performance.

The invention provides a four-column type hydraulic machine which comprises stand columns, an upper transverse beam connected with the stand columns, a lower transverse beam, a movable transverse beam, an upper anvil below the movable transverse beam and a lower anvil below the movable transverse beam. The four-column type hydraulic machine further comprises a working cylinder, a working plunger connected with the working cylinder and a return plunger connected with a return cylinder; and raw materials of the stand columns are27SiMn, and the stand columns are prepared through subcritical quenching and high-temperature tempering. The four-column type hydraulic machine is provided with the stand columns obtained after subcritical quenching and high-temperature tempering, and has the abrasion-resistant and corrosion-resistant performance.

The invention discloses a seamless sinking double-drawing-wire locking type building integrated waterproof photovoltaic support, which comprises a sunken longitudinal water guide groove and an H-shaped sunken reinforcing member, wherein the H-shaped sunken reinforcing member is arranged between two side walls of the sunken longitudinal water guide groove, V-shaped transverse water guide groove bayonets are formed in the two side walls of each sunken longitudinal water guide groove respectively, and a V-shaped transverse water guide groove is connected between the V-shaped transverse water guide groove bayonets in the side walls of every two adjacent sunken longitudinal water guide grooves in a clamped mode. In conclusion, the seamless sinking double-drawing-wire locking type building integrated waterproof photovoltaic support overcomes the defects in the prior art, the design is reasonable, and a novel roof is formed by combining the integrated waterproof photovoltaic support and a photovoltaic power generation assembly to replace traditional color steel tiles; and the combination and connection of the waterproof photovoltaic support structures all adopt the modes of laser welding, insertion, clamping, opposite drawing wire locking, U-shaped bolt fixing and the like, so that the construction modes, such as trepanning and self-tapping punching fixing, which destroy the sealing performance of the structure during field installation are avoided.

The invention discloses an anti-corrosion aluminum alloy.The anti-corrosion aluminum alloy is prepared from, by weight, 50-60 parts of aluminum, 6-10 parts of nickel, 5-8 parts of chromium, 2-3 parts of iron, 1-3 parts of magnesium, 1-5 parts of silicon, 1-5 parts of zinc, 2-4 parts of manganese, 1-2 parts of boron and 1-2 parts of titanium.The anti-corrosion aluminum alloy is high in strength, hardness and corrosion resistance, can meet the situation that corrosive gas in a modern environment becomes more and more, and is convenient to manufacture, low in cost and easy to popularize.

The invention relates to a steel forging with an ultra-high strength and an ultra-high low-temperature impact on the box body of a fracturing pump valve and a manufacturing method of the steel forging. The steel forging is used for solving the technical problems of low mechanical performance, bad corrosion resistance, short service life, and high cost of the existing steel materials. The steel forging comprises the following chemical ingredients in percentage by weight: 0.25-0.3% of C, 0.15-0.35% of Si, 0.6-0.9% of Mn, 1.8-2.2% of Cr, 4.05-4.25% of Ni, 0.46-0.6% of Mo, 0.12-0.18% of V, not greater than 0.01% of P, not greater than 0.01% of S, not greater than 0.12% of Nb, not greater than 0.12% of Re, not greater than 0.2% of Cu, not greater than 0.00016% of H, not greater than 0.0035% of O, not greater than 0.0065% of N, and the balance of Fe and inevitable impurities. The steel forging disclosed by the invention can be used in the fields of petroleum exploitation and shale gas exploitation.

The invention relates to a high-strength optical cable filler and a preparation method thereof, and belongs to the technical field of optical cables. The preparation method comprises the following steps: putting high-temperature-resistant ethylene resin, a curing agent TBPO, a curing agent TBPB, a release agent PUL24 and a filler into a liquid tank, and uniformly stirring to obtain a resin mixed solution; heating a to-be-used mold, and taking glass fibers and strands to form a required wire diameter; enabling the stranded glass fiber wire diameter to pass through a liquid tank filled with the resin mixed solution, then enabling the stranded glass fiber wire diameter to pass through the heated mold, stripping the mold, and pulling and winding the stripped optical cable to obtain the high-strength optical cable filler. The high-strength optical cable filler disclosed by the invention is prepared by taking the glass fibers and the high-temperature-resistant ethylene resin as main raw materials, is high in impact strength and non-conductive, and is not influenced by high voltage and thunder and lightning. Therefore, the service life is long.

The invention discloses a corrosion-resisting water heating radiator, and relates to the technical field of household water heating radiators. The radiator specifically comprises an isolation pipe anda water filter mechanism. A radiating pipe is connected to the inner side of the isolation pipe. One end of the isolation pipe is connected with a water inlet. The water filter mechanism is arrangedinside the water inlet. A hook hole is fixedly formed in the back face of the isolation pipe. A bolt penetrates through a hook plate. According to the dual-layer active anticorrosive material composite radiator, due to an acrylic cotton layer, particular impurities in water can be filtered away, in cooperation with a coal residue layer, impurities can be prevented from entering the radiating pipe,and therefore the interior of the radiating pipe is prevented from being blocked. Due to an ion exchange resin layer, chloride ions, calcium ions, magnesium ions, metal ions and the like in water canbe filtered away, the hardness of the water is lowered, and therefore the water scale generation rate is lowered. Due to cooperative use of the water filter mechanism and the radiating pipe, the corrosion resistance of the radiator can be further improved, and therefore the service life of the radiator is prolonged.

The invention provides a high-strength corrosion-resistant aluminum alloy door and window and a preparation method thereof, belonging to the technical field of aluminum alloy door and window production. The corrosion-resistant aluminum alloy material includes the following components by weight: 1-4 parts of zinc, 0.5-1 parts of manganese, 1-5 parts of iron, 1-5 parts of magnesium, 0.5-1 parts of copper, and 0.1-0.5 parts of cobalt , 0.5-1 part of nickel, 0.5-1 part of zirconium, 0.1-0.5 part of strontium and 0.5-1.5 part of modified rare earth element, the balance is aluminum and inevitable impurities, and the content of said impurities does not exceed 1 part. The high-strength corrosion-resistant aluminum alloy door and window is made of a mixture of various metals, and has high metal strength and good corrosion resistance; the preparation method of the high-strength corrosion-resistant aluminum alloy door and window is simple and has a wide range of sources. , suitable for large-scale industrial promotion.

The invention provides a high-strength dual-wave pipeline and a preparation method thereof. According to the high-strength double-wave pipeline and the preparation method thereof, the prepared high-strength double-wave pipeline is high in ring stiffness, high in corrosion resistance and more reasonable in bearing structure. The high-strength double-wave pipeline comprises inner-layer polyethylene,outer-layer polyethylene, a hole net steel belt, adhesive resin, anti-corrosion layers, reinforcing belts and thermal contraction belts, and the hole net steel belt is arranged above the inner-layerpolyethylene; the cross section of the hole net steel belt is provided with M-shaped double-wave peaks, the outer-layer polyethylene is arranged above the hole net steel belt in an attached mode, theadhesive resin is arranged in the outer-layer polyethylene, gaps are formed between the double-wave peaks, and anti-corrosion layers, reinforcing belts and thermal contraction belts are further arranged between the gaps; and the anti-corrosion layers are arranged to be tightly attached to the outer-layer polyethylene, the reinforcing belts and the thermal contraction belts are arranged outside theanti-corrosion layers, and the thermal contraction belts are arranged above the reinforcing belts.

The invention relates to an aluminum plastic combined section for high-energy-saving heat-preservation doors and windows. The aluminum plastic combined section for the high-energy-saving heat-preservation doors and windows comprises an aluminum plastic combined flat-opening frame structure and an aluminum plastic combined mullion structure, wherein the aluminum plastic combined flat-opening framestructure is of an L-shaped structure formed by an inner-side multi-cavity aluminum plastic combined flat-opening frame plastic profiled bar, an outer-side aluminum plastic combined flat-opening framebridge-cutoff aluminum alloy section and a fastener; and the aluminum plastic combined mullion structure is of a T-shaped structure formed by an inner-side multi-cavity aluminum plastic combined mullion plastic profiled bar, an outer-side aluminum plastic combined mullion bridge-cutoff aluminum alloy section and a fastener. According to the aluminum plastic combined section for the high-energy-saving heat-preservation doors and windows provided by the invention, an aluminum material and a plastic material are mainly utilized for manufacturing a multi-cavity structure, a convex-concave structure design is combined with the outer fasteners, the whole doors and windows achieve a high energy-saving performance of plastic profiled bar doors and windows and high strength and corrosion resistance of bridge-cutoff aluminum alloy doors and windows after assembling, and meanwhile, the sales unit price is lower than the price of the bridge-cutoff aluminum alloy doors and windows, so that the aluminum plastic combined section for the high-energy-saving heat-preservation doors and windows is a trend product for old house modification and new house decoration in the future.