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Efficient, aging-resistant, corrosion-resistant and novel heat-insulating substation housing

An anti-aging and corrosion-resistant technology, applied in the field of shirt fabrics, can solve the problems of poor heat insulation performance of box-type substations, life of box-type substations less than 30 years, poor corrosion resistance, etc., and achieve good hydrophobicity and high insulation , good corrosion resistance

Inactive Publication Date: 2018-09-28
陈安相
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Resist the problem of poor heat insulation in box-type substations; with the gradual deterioration of the air environment, acid rain environment, and ultraviolet environment, high-end box-type substation shells also have shortcomings such as poor corrosion resistance and poor aging resistance. Average life expectancy is less than 30 years

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A silicone polyimide thermosetting precursor A, in parts by weight, the preparation method of which is: under the protection of nitrogen, add 13 parts of 1,4,5,8-naphthalene tetraphthalene to a reaction kettle with a mechanical stirrer Formic anhydride and 25 parts of tetrahydrofuran, add 20 parts of amino-terminated linear dimethylpolysiloxane (relative molecular weight 800) to it, first heat to 100°C for reflux reaction for 2h, then heat to 130°C for reflux reaction for 1h, to obtain the pre- After cooling the polymer solution, add 4 parts of azodicarbonamide to dissolve and mix evenly, then distill off tetrahydrofuran under reduced pressure to obtain organosilicon polyimide thermosetting precursor A.

[0018] The organosilicon polyimide thermosetting precursor A was heated at 260° C. for 5 hours to obtain the organosilicon polyimide heat insulating material a.

Embodiment 2

[0020] A kind of organosilicon polyimide thermosetting precursor B, in parts by weight, its preparation method is: under the protection of nitrogen, add 13 parts of 1,4,5,8-naphthalene tetra Formic anhydride and 15 parts of tetrahydrofuran, add 14 parts of amino-terminated linear dimethylpolysiloxane (relative molecular weight: 300), first heat to 120°C for reflux reaction for 1h, then heat to 150°C for 0.5h to obtain After cooling the prepolymer solution, add 2 parts of azodicarbonamide to dissolve and mix evenly, then distill off tetrahydrofuran under reduced pressure to obtain organosilicon polyimide thermosetting precursor B.

[0021] The organosilicon polyimide thermosetting precursor B was heated at 200° C. for 8 hours to obtain the organosilicon polyimide heat insulating material b.

Embodiment 3

[0023] A kind of organosilicon polyimide thermosetting precursor C, in parts by weight, its preparation method is: under the protection of nitrogen, add 13 parts of 1,4,5,8-naphthalene tetrachloride to the reaction kettle with mechanical stirrer Formic anhydride and 19 parts of tetrahydrofuran, add 16 parts of amino-terminated linear dimethyl polysiloxane (relative molecular weight: 400), first heat to 1120 ° C for 1.5 h, then heat to 140 ° C for 0.7 h, To obtain a prepolymer solution, after cooling, add 3.5 parts of azodicarbonamide to dissolve and mix evenly, and then distill under reduced pressure to remove tetrahydrofuran to obtain organosilicon polyimide thermosetting precursor C.

[0024] The organosilicon polyimide thermosetting precursor C was heated at 240° C. for 6 hours to obtain the organosilicon polyimide heat insulating material c.

[0025] Test the performance of the silicone polyimide heat insulation material in Examples 1-3 as shown in Table 1. From Table 1, i...

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Abstract

The invention relates to an efficient, aging-resistant, corrosion-resistant and novel heat-insulating substation housing, which is formed by assembling a titanium-aluminum alloy polyimide composite board, wherein the titanium-aluminum alloy polyimide composite board is composed of an outer protection reflective coating, a housing layer and a sandwich core; the outer protection reflective coating is located on the outer surface of the housing layer, and the sandwich core is located inside the housing layer; the outer protection reflective coating has a thickness of 0.2-0.8 mm, the housing layerhas a thickness of 2-5 mm, and the sandwich core has a thickness of 2-5 cm; the outer protection reflective coating is located on the outer surface of the housing layer, and the sandwich core is located inside the housing layer; the outer protection reflective coating is composed of a sparkling silver-based photocurable organic fluorine coating, the housing layer is titanium aluminum alloy, and the sandwich core is a silicone polyimide heat insulating material. The efficient, aging-resistant, corrosion-resistant and novel heat-insulating substation housing in the invention has the advantagesof ultraviolet resistance, corrosion resistance and good heat insulation.

Description

technical field [0001] The invention relates to a novel heat-insulating substation shell with high efficiency, aging resistance and corrosion resistance, which belongs to the technical field of shirt fabrics. Background technique [0002] Box-type substation, also known as prefabricated substation or prefabricated substation. It is a kind of high-voltage switchgear, distribution transformer and low-voltage power distribution device. It is a factory prefabricated indoor and outdoor compact power distribution device arranged according to a certain wiring scheme, which is to organically combine functions such as transformer step-down and low-voltage power distribution. Together, they are installed in a moisture-proof, rust-proof, dust-proof, rodent-proof, fire-proof, theft-proof, heat-insulated, fully enclosed, and movable steel structure box, which is especially suitable for urban network construction and transformation. A brand new substation. The box-type substation is sui...

Claims

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Application Information

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IPC IPC(8): H02B7/06H02B1/46C08G73/10C09D175/14C09D5/33C09D5/08B32B15/08B32B27/28B32B33/00B32B37/02
CPCH02B7/06B32B15/08B32B27/28B32B33/00B32B37/02B32B2255/06B32B2255/26B32B2307/206B32B2307/304B32B2307/306B32B2307/3065B32B2307/71B32B2307/714B32B2307/718B32B2307/73C08G73/106C09D5/004C09D5/08C09D175/14H02B1/46
Inventor 陈安相
Owner 陈安相
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