32results about How to "Guaranteed anti-corrosion" patented technology

The invention relates to a corrosion inhibitor film coating pipe cleaning device for a high-sulfur-containing moisture gathering and transportation pipeline. The pipe cleaning device mainly comprises a corrosion inhibitor storage and spray coating cavity, a chemical reagent storage and release cavity and circular corrosion inhibitor film coating brushes. The multiple functions of corrosion inhibitor atomization first-stage spray coating, circular brush rotating second-stage film coating, removal of solid impurities at the front end of the pipe cleaning device and the like are integrated, all-dimensional multi-angle corrosion inhibitor film coating of the inner wall of the pipe is achieved, and the film coating quality is improved. The corrosion inhibitor storage and spray coating cavity is designed, the high-pressure natural gas drives a piston to move, corrosion inhibitor in the cavity is extruded, is sprayed out of small holes in a mist mode and then adheres to the inner wall of the pipe, and therefore the first-stage corrosion inhibitor film coating is achieved. The circular corrosion inhibitor film coating brushes are designed, the high-pressure natural gas drives the circular brushes to rotate, and therefore the corrosion inhibitor which is deposited in the pipe can be uniformly dispersed on the inner wall of the pipeline, and the corrosion inhibitor second-stage film coating is achieved. The chemical reagent storage and release cavity is designed, the solid impurities at the front end of the pipe cleaning device are dissolved by a chemical reagent, and therefore the situation that the pipe cleaning ball collection operation is safe and stable is guaranteed.

The invention discloses a high-voltage insulation bus and a coating process. The high-voltage insulation bus comprises a bus body, the bus body is coated with an anticorrosive layer and an insulationlayer, the anticorrosive layer is positioned on the bottom layer of the bus body, the insulation layer is positioned on the outer layer of the bus body, the anticorrosive layer is coated with organicsilicon coatings, and the insulation layer comprises, by weight, 60-75 parts of organic silicon resin, 40-45 parts of polyacrylate rubber, 5-7 parts of titanate coupling agents, 3-4 parts of zirconiumoxide, 20-24 parts of silicon dioxide, 3-7 parts of naphthenic oil, 4-6 parts of calcium stearate, 3-4 parts of alunite, 5-7 parts of vinyl trimethoxysilane, 2-6 parts of alkali-free glass fibers and9-17 parts of ethylene-propylene-diene monomer glue. A coating structure of the bus can effectively decrease electrical short circuit of the bus body, and the insulating property and the anticorrosive property of the bus are greatly improved, so that the service life of the bus is prolonged.

The invention discloses a steel frame reinforced type petroleum pipe. A layer of glass fiber reinforced plastic protective shell is arranged on the outer surface of an outer pipe body, a steel ring is arranged in a cavity positioned between the outer pipe body and an inner pipe body, the distance between the outer surface of the steel ring and the inner wall surface of the outer pipe body is equal to that between the inner surface of the steel ring and the outer wall surface of the inner pipe body, and a plurality of trapezoidal steel frames are arranged in a cavity between the steel ring and the outer pipe body as well as a cavity between the steel ring and the inner pipe body uniformly. The steel frame reinforced type petroleum pipe has the advantages that an anticorrosive coating is arranged on the inner surface of the inner pipe body, a glass fiber reinforced plastic protective shell structure is arranged on the outer surface of the outer pipe body, and accordingly heat preservation and insulation performances and corrosion resistance of the inner pipe body and the outer pipe body are guaranteed; the double-layer steel frames are additionally arranged between the outer surface of the inner pipe body and the inner surface of the outer pipe body and combined with the steel ring, so that service lives of the inner and outer pipe bodies are prolonged beneficially, and maintenance cost is lowered greatly.

The invention relates to an anti-corrosion submarine cable with low armoring loss for communication monitoring, comprising a wire core (1), a shielding layer (2), an insulating layer (3), an insulator shielding layer, an inner protective layer (4), an armoring inner bedding layer (5), an armoring layer (7) and an armoring outer protective layer (8) which are sequentially arranged from inside to outside, wherein the armoring layer (7) consists of a plurality of non magnetic anti-corrosion metal wires (71), and an optical cable layer (6) is arranged between the armoring layer (7) and the armoring inner bedding layer (5). The anti-corrosion submarine cable has the advantages that serious eddy and magnetic hysteresis loss caused by a zinc-coated wire armoring structure can be eliminated, the allowed carry current of the cable is higher than that of the zinc-coated wire armoring cable by nearly 30 percent, the tensile strength of a submarine crosslinking power cable is ensured, and the armoring layer is formed by the non magnetic anti-corrosion metal wires, thereby having good anti-corrosion effect; besides, as a polyethylene protective layer is not needed to be coated outside the non magnetic anti-corrosion metal wires, good heat radiating effect is achieved, thereby meeting the communication and monitoring demands of the anti-corrosion submarine cable with low armoring loss for communication monitoring, reducing the armoring loss, being beneficial to heat radiation and ensuring anti-corrosion performance of armoring.

The invention provides a cast-in-place light solid composite wall body of a light steel truss frame and a construction method thereof. The framework is a wall body light steel truss; the wall body light steel trusses are intermittently distributed in the composite wall body in the vertical direction; two chord rods are arranged at the internal side and the external side of the wall body respectively; the internal side of the light steel truss is covered by an internal side prefabricated plate; the external side of the light steel truss is fixedly connected with cushion blocks which are distributed in point shape; the external side of the cushion block is covered by an external side prefabricated plate; a heat-preservation filling material is filled between the internal side prefabricated plate and the external side prefabricated plate and in the clearance of the light steel trusses; the bottom of the light steel truss 4 is fixedly connected with the concrete foundation; and the top of the light steel truss is fixedly connected with the floor light steel truss. The wall body has the advantages of simple procedure, quick construction, high efficiency, low cost, and the like; simultaneously, the light steel composite structure also has the advantages of good sound insulation effect, good heat preservation performance, light load, and the like, and overcomes the hollow box characteristic of the traditional steel structure wall plate, and the filled foaming cement can lead the wall body to be solids.

The invention relates to a making method of an environmentally-friendly glove, and concretely relates to a processing making method of an environmentally-friendly thermoplastic composite material glove. The external portion of a comfortable wearing glove processed through a current technology is provided with a thermoplastic composite material through using a plasticizing machine, so the obtained product has the characteristic of comfortable wearing of a common glove, has effectively guaranteed heat, water, irritation and corrosion resistance due to the adoption of the external environmentally-friendly thermoplastic composite material, and is suitable for the chemical engineering, the printing and dyeing industry, the automobile industry, the glass industry, the transportation industry and the electric power industry.

The invention discloses a strippable composite film for an optical cable. The strippable composite film for the optical cable comprises a chrome-plated steel belt arranged on the innermost layer, a co-extrusion film arranged on the intermediate layer as well as a PE sheath layer arranged on the outermost layer, wherein the co-extrusion film comprises a layer A arranged on the outer layer of the chrome-plated steel belt, a layer B arranged on the outer layer of the layer A, and a layer C arranged on the outer layer of the layer B; the layer adheres to the chrome-plated steel belt; the layer C adheres to the PE sheath layer. The co-extrusion film is divided into three layers, the three layers exist as a whole; the layer A adheres to the chrome-plated steel belt; the layer B is the intermediate layer; the layer C adheres to the outer PE sheath layer; a controllable stripping interlayer is arranged between the layer B and the layer C and has certain layering strength; the layering strengthis about 3 N/cm.

The invention discloses a low-melting-point fiber-based thermoplastic type fiber-reinforced composite plate used for wood and a preparation method. The preparation method comprises the following steps: successively winding bottom-layer mixed fabrics, intermediate-layer mixed fabrics and surface-layer mixed fabrics on a solid wood board, and carrying out hot-pressing and cooling shaping via a molding press so as to obtain the low-melting-point fiber-based thermoplastic type fiber-reinforced composite plate used for the wood, wherein the bottom-layer mixed fabrics are made of hemp fibers and low-melting-point fibers; the intermediate-layer mixed fabrics are made of high-strength and high-elasticity fibers and the low-melting-point fibers; and the surface-layer mixed fabrics are made of surface-modified inorganic fibers and the low-melting-point fibers. According to the invention, binding compound fastness between the composite plate and the wood is obtained; deformation energy generated by the wood due to changes with temperature and humidity is absorbed, so fatigue life of a wood composite material is improved; fire prevention, damp prevention, mildew prevention, corrosion prevention, pest prevention, and illumination aging prevention of a FRP plate substrate are guaranteed; stripping resistance and high processing efficiency are obtained; and a plurality of options of materials and structures are realized, so production cost is reduced.

The invention discloses a repair method for solving water leakage of a water seal tank of a heating furnace, and relates to the technical field of steel production. The repair method specifically comprises the following steps: S1, conducting surface treatment on the bottom surface of a heating furnace water tank; S2, conducting leakage point treatment conducted on the corrosion leakage points, and adopting a steel plate rapid attaching mode; S3, conducting primary prime coating on the bottom face of the heating furnace water tank, and adopting a brush coating or roll coating mode; S4, arranging a first reinforcing layer on the bottom face of the heating furnace water tank, and adopting a carbon fiber spreading mode; S5,conducting secondary prime coating on the bottom face of the heating furnace water tank, and adopting a brush coating or roll coating mode; S6, conducting primary floating coating on the surface of the pipeline, and adopting a blade coating mode; S7, arranging a second reinforcing layer on the surface of the pipeline, and adopting a macroporous fiberglass mesh winding and spreading mode; S8, conducting secondary floating coating on the surface of the pipeline, and adopting a blade coating mode; and S9, enabling the surface of the pipeline to be subjected to surface coating, and adopting a brush coating or roll coating mode. The phenomenon of water leakage of the water seal tank at the bottom of the heating furnace is avoided, and the hidden danger of gas leakage of a water seal tank due to low water level is effectively prevented.

The invention relates to an airtight box for an intermediate head of a cable. The structure of the airtight box is characterized in that a through hole is formed along the axial direction inside a box body; the through hole is provided with outer edges at the two ends of the box body, and sealing strips are arranged between the outer edges and the cable. The airtight box disclosed by the invention is used for replacing a cable well to protect the intermediate head of the cable, which not only eliminates the cost for building the cable well but also greatly shortens the repair period; the airtight box is convenient to carry, simple to operate, capable of retaining sealing and corrosion resistances and mechanical strength for a long time under the ground, stable in test data and firm in structure, and the materials and manufacturing process satisfy the standards; therefore, the airtight box is worth of popularization and application.

The invention provides a maritime work underwater anti-corrosion adhesive tape, and belongs to the technical field of adhesive tapes, the maritime work underwater anti-corrosion adhesive tape comprises a polyethylene base material, the upper surface of the polyethylene base material is fixedly connected with a lower adhesion layer, the upper surface of the lower adhesion layer is fixedly connected with an upper adhesion layer, the upper surface of the upper adhesion layer is fixedly connected with glass fiber cloth, and the glass fiber cloth is fixedly connected with the polyethylene base material. The upper surface of the glass fiber cloth is fixedly connected with anti-corrosion primer. According to the maritime work underwater anti-corrosion adhesive tape, through the arrangement of the polyethylene base material, the lower adhesion layer, the upper adhesion layer, the glass fiber cloth, the anti-corrosion primer, the first waterproof layer, the anti-corrosion film and the anti-scraping layer, the polyethylene base material serves as a base material, the contact area between the lower adhesion layer and the upper adhesion layer is increased through the form arrangement of the lower adhesion layer and the upper adhesion layer, and the viscosity is enhanced; the glass fiber cloth reinforces the supporting performance of the adhesive tape and helps to resist corrosion, the anticorrosive primer helps to resist corrosion and helps to determine the color of the adhesive tape, the first waterproof layer is waterproof, the anticorrosive film helps to resist corrosion of the surface layer, and the scratch-resistant layer prevents the outer surface of the adhesive tape from being scratched and damaged.

The invention discloses a composite anti-corrosion structure comprising a board brick masonry layer, an anti-corrosive insulation layer, an adhesion layer and an equipment substrate. The composite anti-corrosion structure disclosed by the invention is particularly suitable for connecting the anti-corrosive insulation layer (rubber or glass fiber reinforced plastics) with the equipment substrate, the anti-corrosive insulation layer (the rubber or the glass fiber reinforced plastics) and the equipment substrate are adhered with the maximum intensity by virtue of a resin rubber paste to form a whole, and a quasi-viscous and non-viscous mode is formed. The composite anti-corrosion structure disclosed by the invention is taken as an independent corrosion-resistant structure layer to ensure that the anti-corrosion quality defects caused by heat expansion and cold contraction of different materials can be avoided, and the effects of anti-leakage, anti-corrosion and corrosion resistance of the composite anti-corrosion structure can be ensured.