18results about How to "Solve corrosion" patented technology

The utility model belongs to the technical field of building engineering, specifically discloses a heavy nonferrous metal smelting engineering existing pool anticorrosive and anti -infiltration structure. The reinforced concrete bottom plate and lateral wall of structure are closed into pool, the surface of reinforced concrete bottom plate is equipped with waterproof coating, geotextile I, high density polyethylene geomembrane, geotextile II, fine stone concrete layer, epoxy glass steel isolation layer and anticorrosive surface layer in proper order, the surface of reinforced concrete lateral wall is equipped with waterproof coating, geotextile I, high density polyethylene geomembrane, geotextile II, polymer cement mortar layer, epoxy glass steel isolation layer and anticorrosive surface layer in proper order, the layer of aforementioned same name of reinforced concrete bottom plate and lateral wall surface, geotextile and geomembrane correspond to head -tail link, and fine stone concrete layer and polymer cement mortar layer correspond to head -tail link. The utility model has the characteristics of simple structure, convenient construction, good anticorrosive and anti -infiltration performance and low cost.

The utility model relates to the technical field of steel pipes, and discloses a high acid-resistant seamless steel pipe, a steel pipe A and a steel pipe B are connected through a connecting assembly, the connecting assembly comprises an acid-resistant ring A fixedly installed on the left side of the steel pipe A, an acid-resistant ring B fixedly installed on the right side of the steel pipe B, a sealing ring and a fixing assembly, and a sealing groove A is formed in the left side wall of the acid-resistant ring A; a protruding ring A is fixedly arranged on the right side of the acid-resistant ring B. The sealing ring is located in the sealing groove A. The protruding ring A is inserted into the sealing groove A and connected with the sealing ring in an abutting mode. The acid-resistant ring A and the acid-resistant ring B are fixedly connected through fixing assemblies. The steel pipe A and the steel pipe B are fixedly connected through fixing assemblies. The inner side walls of the steel pipe A and the steel pipe B are each provided with an acid-resistant coating. The stainless steel pipe joint has the advantages that acid resistance is enhanced, the steel pipe A and the steel pipe B are prevented from being corroded, and the problem that chemical liquid leaks due to the fact that the joint of a seamless steel pipe is corroded most easily is solved.

The invention relates to the technical field of anti-corrosion coatings, in particular to a preparation method of conductive metal anti-corrosion paint, and the prepared coating can remarkably improve the corrosion resistance of the 304 type stainless steel surface. Compared with uncoated 304SS bare steel, the corrosion potential of 304SS under the protection of the coating is obviously increased, the corrosion current density is obviously reduced, the ZIFs / GO composite material is adopted as epoxy resin coating filler, and PPY is assisted to prepare the anti-corrosion coating. The ZIFs has unique crystal structure and chemical properties, the GO has excellent barrier property and mechanical property, the PPY has good conductivity and oxidation-reduction property, the ZIFs, the GO and the PPY cooperate with one another, so that the coating has better comprehensive performance, and the ZIFs / GO composite material can enhance the binding force between the coating and a matrix and improve the barrier property of the coating at the same time; and the PPY surface layer can further improve the conductivity of the coating and is beneficial to exerting the anodic protection performance in a corrosive environment, so that the matrix metal is better protected.

The present invention provides a water heater and an ultrasonic descaling and anti-corrosion device thereof, wherein the ultrasonic descaling and anti-corrosion device comprises: an ultrasonic generator; a vibrating rod connected to the ultrasonic generator and used to emit ultrasonic waves in the inner tank of the water heater; the vibrating rod comprises a first vibrating rod connected to the inner tank of the water heater; when the first vibrating rod contacts the liquid in the inner tank of the water heater, the first vibrating rod constitutes a sacrificial anode, and the inner tank of the water heater constitutes a protective cathode. The first vibrating rod of the ultrasonic descaling and anti-corrosion device of the present invention can be used as a sacrificial anode; the rust on the first vibrating rod caused by corrosion will automatically fall off, so that the uncorroded part of the first vibrating rod is in full contact with the liquid, effectively solving the problem of corrosion of the inner tank of the water heater caused by rust on the outer layer of the metal anode, the rust layer blocking the oxidation reaction of the metal anode and thus affecting the anti-corrosion function of the metal anode.

This utility model discloses a prefabricated bridge pier suspended platform, comprising multiple supports, with at least two supporting angle steels erected on each support. A grid is laid between the two supporting angle steels, and clips are installed on the supporting angle steels to limit and fix the grid. Each clip includes an upper clip plate, a lower clip plate, and fasteners. The lower clip plate is fixed to the bottom of the supporting angle steel, and the upper clip plate is "M"-shaped and can be inserted into the gaps of the grid. The upper clip plate is fixed to the lower clip plate by the fasteners. The suspended platform is assembled to adapt to bridge piers of different shapes and sizes, facilitating quick installation and disassembly, reducing the defects of on-site splicing and welding of traditional suspended platforms, and solving the problems of on-site corrosion prevention and welding difficulties.

The application discloses a modified graphene oxide water-based epoxy heavy-duty anticorrosive paint as well as a preparation method and application thereof. The anticorrosive paint comprises the following components in parts by mass: modified graphene oxide 0.1-0.5 parts, AlOOH@K-CNC composite material 0.5-1.5 parts, water-based epoxy resin 80-120 parts and water-based epoxy curing agent 10-30 parts. The modified graphene oxide is modified with arginine on graphene oxide and is covalently modified. The application simultaneously adds graphene oxide and nanocellulose, overcomes the corresponding shortcomings through modification treatment, greatly improves the anticorrosive performance and is suitable for marine environment.

The utility model discloses a barreled oil product storage system which comprises a track, an oil drum arrangement tool is connected to the track in a sliding mode, and an oil drum storage component is arranged below the track and the oil drum arrangement tool. The oil drum storage component is of a multi-layer frame structure, the top of the uppermost layer of the frame structure is open, frame doors are arranged on one side or two sides of the middle layer and the lower layer of the frame structure, and the frame doors are further connected with the frame body through hinges. The space utilization rate is effectively increased, the problems that offshore air is humid and large in salt content, and the bottom of the oil drum is prone to corrosion are effectively solved, and the oil drum is high in practicability and suitable for popularization.

The invention discloses a composite material bagged sand well electrode for combined electro-osmosis and pre-pressing, belongs to the technical field of soft soil foundation treatment by an electro-osmosis method, and solves the problem that an electrode is easy to corrode or poor in conductivity when a foundation is treated by an electro-osmosis method in the prior art. The device specifically comprises a conductive sand bag and a sand column, wherein the sand column is filled in the conductive sand bag; the conductive sand bag is made of a composite graphite material, the resistivity of the material is low, the conductivity of the material is superior to that of EKG conductive plastic, and the material has extremely high corrosion resistance and flexibility. According to the composite bagged sand well electrode, the conductive sand bag is filled with the sand columns to form the composite bagged sand well electrode, and the composite bagged sand well electrode integrates the functions of an electrode and a bagged sand well; the composite material bagged sand well electrode is inserted into a soft soil foundation, can be used as an electrode to play a conductive role, and can also be directly used as a bagged sand well of a vertical drainage body.

The utility model discloses a low-energy-consumption light corrosion-resistant foldable barrack capable of being spliced. The barrack comprises a fixing module, two ground modules, two front wall modules, two first gable wall modules, two second gable wall modules, two roof modules, four pneumatic supporting assemblies, a plurality of foot pad supporting assemblies, four pull rod modules, a plurality of pin shaft assemblies and reinforcing bolts. The fixing module comprises a frame assembly, a ground connecting assembly, two gable wall connecting assemblies, a roof connecting assembly and a skin assembly. According to the low-energy-consumption, light-weight and corrosion-resistant foldable barrack capable of being spliced, according to the scheme, a main frame is made of 6EXX-series high-strength and corrosion-resistant aluminum alloy, and keels and enclosure plate shells are made. The 6EXX aluminum alloy has high strength and super corrosion resistance, the corrosion resistance reaches the EA level, the tensile strength can be preferably 6E70 (the tensile strength is 400 MPa, and the yield strength is 382 MPa) or 6E63 according to needs, the problem that the folding house is prone to corrosion in the coastal area is solved, and the durability is greatly improved.

The invention provides a corrosion-free precast pile mechanical connection construction method, which relates to the technical field of precast pile connection and comprises the steps of precast pile preparation, connecting device preparation, pile splicing operation and the like. The durability of the pile foundation can be greatly improved, the later maintenance cost is reduced, and the service life of a building is prolonged.

The invention relates to the technical field of communication equipment, and provides an optical cable fiber distribution box which comprises a box body, heat dissipation grooves are uniformly formed in the two sides of the interior of the box body, and a door body is movably installed on one side of the box body. According to the invention, the dust removal structure is arranged, a pedal inflator pump is treaded, the pedal inflator pump inflates the interior of a built-in cavity through a connecting pipe, airflow drives an impeller and then is discharged into a dust removal pipe, air blowing and dust removal are carried out on an optical fiber adapter mounted in the box body through a nozzle, and meanwhile, the impeller drives a second straight bevel gear to rotate through a driving rod, so that the dust removal effect is improved. A second straight bevel gear drives a reciprocating screw rod to rotate through a first straight bevel gear, then the reciprocating screw rod drives a cleaning brush to reciprocate on one side of the protective net through a connecting block, the cleaning brush can clean dust attached to one side of the protective net, the protective net is prevented from being blocked, and the function that the device conveniently and automatically cleans dust is achieved; therefore, the service life of the optical cable distribution box is prolonged.

The utility model discloses a triangular split type assembly house which comprises a lower component and an upper component, and the upper component is embedded and installed at the upper end of the lower component. An opening I is formed in the upper end of the lower component, an annular boss is arranged on the periphery of the opening I, and the annular boss is located on the inner side of the upper end face and protrudes out of the upper end face; an annular groove is formed in the inner side of the lower end face of the upper component and matched with the annular boss, and a second opening is formed in the inner side of the annular groove. The first annular boss is embedded into the annular groove, and the upper end face and the lower end face of the first annular boss abut against each other for limiting. The problem that a steel frame serving as a supporting structure is prone to corrosion is solved, and the service life of the fabricated house is prolonged on the premise that the connecting strength and stability are guaranteed.

The utility model relates to the technical field of gas equipment, and discloses a meter case structure and a gas meter, the meter case structure comprises a meter case main body and a connecting plug-in, the meter case main body is provided with a through hole, the meter case main body extends along the direction far away from the inner cavity of the meter case main body to form a mounting part, the connecting plug-in penetrates through the meter case main body through the through hole, and the connecting plug-in is provided with a first limiting end face; the first limiting end face is in close contact with the inner wall of the meter shell body, the connecting insertion piece is inserted into the installation part, and at least one elastic sealing piece is arranged between the periphery of the connecting insertion piece and the inner circumferential wall of the installation part. According to the utility model, the elastic sealing element is arranged between the outer periphery of the connecting plug-in and the inner peripheral wall of the mounting part, when the connecting plug-in is mounted, the connecting plug-in and the mounting part extrude the elastic sealing element so as to block a gap between the connecting plug-in and the mounting part, and the first limiting end face is tightly attached to the inner wall of the meter shell main body, so that the contact between gas and the elastic sealing element is effectively reduced; corrosion of fuel gas to the elastic sealing piece is reduced, the sealing performance is guaranteed, and the sealing effect is improved.

The utility model discloses a ceramic sand core / open type double-control lyocomplexing part industrial pH electrode, which comprises an electrode main body (9), a reference structure (5), a reference electrolyte (6), an open type lyocomplexing part (7) and a ceramic sand core lyocomplexing part (8), and the reference structure (5) is arranged in the electrode main body (9) and is in contact with the reference electrolyte (6). The double-control liquid complexing part structure comprises the ceramic sand core and the open type liquid complexing part, the open type liquid complexing part is located at the upper end of the ceramic sand core liquid complexing part, when measurement is carried out in the high-temperature and high-pressure environment, the electrode can disperse pressure from the double-control structure of the ceramic sand core and the open type liquid complexing part, pressure balance is kept, and meanwhile the electrode can be used for measuring the pressure in the high-temperature and high-pressure environment. The double-control liquid complexing part structure containing the ceramic sand core and the open type liquid complexing part solves the two problems that the liquid complexing part is blocked and corroded, the accuracy of electrode measurement can be effectively improved, and the service life of the electrode can be effectively prolonged.

The utility model discloses a microbial fermentation tank, which relates to the technical field of biological bacterial fertilizer production and comprises a base, a fermentation tank body is arranged above the base, a stirring component is arranged on one side below the fermentation tank body, and a heating component is arranged in the fermentation tank body; the stirring assembly comprises a rotating motor, the rotating motor is fixedly connected with one side of the upper surface of the base, a transmission rod is arranged on one side of the rotating motor, and the output end of the rotating motor and the middle of the transmission rod are each fixedly connected with a first gear and are meshed with each other. The stirring assembly is arranged, so that the overall stirring effect is guaranteed, on one hand, the problem that the stirring rod cannot be stirred due to dead angles during stirring is solved, and on the other hand, the problem that the stirring rod is corroded is solved.

The application discloses a titanium-based positive plate grid of lead-acid battery and a preparation method thereof. The titanium-based positive plate grid of lead-acid battery comprises a titanium metal base body, an intermediate layer and a surface lead metal layer. The intermediate layer is composed of a metal oxide with good conductivity and corrosion resistance, is prepared by a thermal oxidation method, can prevent the titanium base body from being oxidized and improve the conductivity of the base body and the surface lead metal layer. The surface lead layer is prepared by an electrodeposition method. The positive plate grid structure of the lead-acid battery is a sandwich type structure of titanium / intermediate layer / lead, has the characteristics of light weight, strong corrosion resistance, good conductivity and good combination with active substances and the like, and can be used as a positive plate of a high-energy-density long-service-life lead-acid battery, a bipolar lead-acid battery plate and a current collector of other related batteries.

The utility model relates to a cable with a protective armor, which belongs to the technical field of cables, and comprises a cable body, the cable body is composed of a wire core and a reinforcing structure, an installation assembly is arranged outside the cable body, the reinforcing structure comprises an insulation sleeve arranged outside the wire core, a filling layer is arranged inside the insulation sleeve, and the protective armor is arranged in the filling layer. A heat insulation layer is arranged outside the insulation sleeve, a protective armor layer is fixedly connected outside the heat insulation layer, and a flame-retardant layer is fixedly connected outside the protective armor layer. According to the cable with the protective armor, through the arrangement of the reinforcing structure, the corrosion resistance and the aging resistance of the cable are enhanced, corrosion and aging of the cable caused by the external environment are reduced, and the problems that the fire resistance of the cable is enhanced through multiple fire prevention and thermal insulation, the corrosion resistance of the cable is not enhanced, and the cable cannot be damaged in the long-term use process of the cable are solved. And the external environment can cause aging of the cable, so that the fireproof performance and the service life of the cable are influenced.

This invention discloses a U-shaped positioning silver busbar casting mold and its casting method, comprising a mold base, a mold cover plate, and at least one clamp; the mold base is provided with a liquid inlet, and the bottom of the inner wall of the liquid inlet is provided with at least one venting channel, and at least one forming protrusion for forming a U-shaped positioning structure on the casting; the mold base and the mold cover plate are detachably fixedly connected by the clamp, and the connection position of the clamp with the mold base and / or the mold cover plate is adjustable. The U-shaped aperture of the silver busbar cast by this invention is equal to the diameter of the cylindrical conductive rod used in daily production, and fits perfectly, improving the point-line contact to curved surface contact, increasing the contact area, effectively solving the problem of easy slippage of the conductive rod on the busbar, increasing the conductivity of silver electrolysis, and improving production efficiency.