Coated transmission line net outdoor device and coating method thereof
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A technology for power transmission lines and outdoor installations, applied in coatings, anti-corrosion coatings, textiles and papermaking, etc., can solve problems such as limited followability, serious injury accidents, and shortened anti-corrosion life.
Active Publication Date: 2016-09-21
ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2
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[0006] Many anti-corrosion methods used in the past, such as: coating anti-corrosion coatings, metal spraying, cement covering, bottom zinc-rich primer and protective cover, etc., due to the limited followability of the covering material itself, cannot keep up with the steel parts caused by external forces. The resulting expansion and contraction, bending, and deformation lead to cracks, which affect the anti-corrosion effect and life; for the corroded uneven steel surface, especially pitting, cracks, and protruding edges, it is difficult to match well, so that moisture, air, etc. The penetration of corrosive media shortens the anti-corrosion life, leading to hidden dangers in production safety and even serious injury accidents
Another example is the comprehensive anti-corrosion method disclosed in the prior art. Although it is effective for steel buildings in factories and mines, it is not suitable for complex materials and multiple corrosion complex environments in independent outdoor substations, as well as multiple corrosion complex environments for line iron tower foundations. , still affects the anti-corrosion effect and shortens the anti-corrosion life
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preparation example Construction
[0067] The present invention also provides a method for preparing an outdoor device for a covered transmission line network, comprising the following steps:
[0068] A) After smearing the oxidative polymerization type anti-corrosion paste on the surface of the outdoor device of the transmission line network, the first step of anti-corrosion semi-finished product is obtained;
[0069] B) filling the anti-corrosion cement in the irregularly shaped concave-convex position on the surface of the first-step anti-corrosion semi-finished product obtained in the above steps, to obtain the second-step anti-corrosion semi-finished product with a smooth surface;
[0070] C) Wrap the anti-corrosion tape on the surface of the second-step anti-corrosion semi-finished product obtained in the above steps, and then apply the protective agent to obtain the third-step anti-corrosion semi-finished product;
[0071] D) after the surface of the third-step anti-corrosion semi-finished product obtaine...
Embodiment 1
[0085] This embodiment is to describe the present invention in detail according to the construction of the flanges, bolts, nuts and connection parts of the outdoor device of the transmission line network of the protected object according to the above-mentioned coating anti-corrosion method as an example:
[0086] 1) For the outdoor devices, bolts, nuts and connection parts of the protected transmission line network, use an inspection hammer to tap the bulge to detect whether there is a rust layer under the paint film; use a spatula to remove all floating rust and bubbling; Sand with sandpaper or wire brush to remove floating rust, dust, water and oil.
[0087] see figure 1 , figure 1 It is a photo of the surface treatment step provided by Example 1 of the present invention.
[0088] 2) Evenly smear anti-corrosion paste on the surface of the treated object to be protected. Anti-corrosion paste formula: by weight percentage, the composition is polybutene 57%, organic bentonite...
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Abstract
The invention provides a coated transmission line net outdoor device and a preparation method thereof. Directed at the special corrosion environment and corrosion factors of a transmission line net outdoor device, the invention adopts a comprehensive coating anticorrosion method, firstly an oxidative polymerization type anticorrosive paste is employed to form a first anticorrosive layer, then anticorrosion clay and an anticorrosion tape are used to cooperate with the first anticorrosive layer, the substances interpenetrate to form a second anticorrosive layer, and the two layers also compose a comprehensive anticorrosive structure. And the adopted anticorrosion tape, protective agent, winding non-woven fabric and resin, re-winding glass fiber product and roller coated resin form quadruple winding and multilayer comprehensive protection, the layers interpenetrate to form a another comprehensive stereo-network anticorrosion structure, thus giving full protection to a protected object-transmission line net outdoor device under a complex corrosion environment and corrosive factors, also the corrosion protection effect is good, and the anti-corrosion life is long.
Description
technical field [0001] The invention belongs to the technical field of transmission line network anticorrosion, and in particular relates to a coated transmission line outdoor device and a coating method thereof. Background technique [0002] Power transmission is achieved by using a transformer to boost the power generated by the generator, and then connecting it to the transmission line through circuit breakers and other control equipment. Usually during the laying process, the transmission line network includes various devices such as substations, transmission lines, transmission line towers, etc., and the substation is a place for changing voltage. In order to transmit the electric energy from the power plant to a distant place, the voltage must be raised to high-voltage electricity, and the voltage must be lowered as needed near the user. Overhead transmission lines are composed of line towers, wires, insulators, line fittings, guy wires, tower foundations, grounding d...
Claims
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Application Information
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