Corrosion-resistant over-voltage protection electric-heating water drainer

Abstract

The invention relates to an anticorrosive overvoltage protecting electric heating drainage device, including a device body system, a water inlet pipe system, a water outlet pipe system, a connecting tube system and a sewer pipe system. The invention is characterized in that the systems above adopting assembly structure are connected together in mechanical way. The internal walls of the device body system, the water inlet pipe system, the water outlet pipe system, connecting tube system and the sewer pipe system, as well as the contact parts of the systems contacting with sewage and coal gas adopt anticorrosive treatment. The method of the anticorrosive treatment is a chemical anticorrosive method of lining or coating, or a method combining chemical anticorrosion and electrochemical anticorrosion. Being capable of effectively solving the problems of corrosion and damager of the coal gas pipes caused by the drainage of various sewages of strong corrosion or coal gas medium, the invention has the advantages of simple fabrication and assembly and partial replacement.

Description

technical field [0001] The invention relates to the technical field of gas pipeline drainage facilities, and relates to a corrosion-resistant overvoltage protection electric heating drainer. Background technique [0002] In the gas transmission and distribution pipelines, the sewage and slag in it must be discharged by the drainer, but these sewage, slag, and gas media often contain strong corrosive media, which corrode the drainer very quickly, usually in about a year. Make it corrode and perforate, resulting in a large amount of gas leakage. At the same time, because the various systems of the drainer (body system, water inlet pipe system, water outlet pipe system, connecting pipe system, and sewer pipe system) are welded and combined into an overall structure, in After being damaged by strong corrosion, it can only be replaced as a whole, and the cost is relatively high. In addition, due to the overall structure in the prior art, it is difficult to install an anti-corros...

AI Technical Summary

Problems solved by technology

[0002] In gas transmission and distribution pipelines, the sewage and slag in it must be discharged by the drainer, but these sewage, slag, and gas media often contain strong corrosive media, which corrode the drainer very quickly, usually in about a year. Make it corrode and perforate, resulting in a large amount of gas leakage. At the same time, because the various systems of the drainer (body system, water inlet pipe system, water outlet pipe system, connecting pipe system, and sewer pipe system) are welded and combined into an overall structure, in After being damaged by strong corrosion, it can only be replaced as a whole, and the cost is high

In addition, due to the overall structure in the prior art, it is difficult to install an anti-corrosion structure inside the drainer; if the anti-corrosion structure is installed first and then welded, the anti-corrosion layer will be damaged by the welding process, which will cause the drainer to accelerate. corrosion

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