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

A technology of overpressure protection and drainer, which is applied in the pipeline system, mechanical equipment, gas/liquid distribution and storage, etc., can solve the problems of drainer corrosion, anti-corrosion layer damage, difficult implementation, etc., and achieve cost saving and long service life Improve the effect of easy maintenance and repair

Inactive Publication Date: 2008-04-30
于连第
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  • Abstract
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  • Claims
  • Application Information

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 sew

Method used

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

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[0022] See Figure 1. A corrosion-resistant over-voltage protection electric heating drain, including body system A, water inlet pipe system B, water outlet pipe system C, connecting pipe system D, down water pipe system E, and flanges are used between the systems and components The way of connection is assembled together. Before assembling, the inner wall of each system and the parts in contact with sewage and gas in the drain are treated with chemical anti-corrosion treatment of lining or paint, or after the chemical anti-corrosion treatment, an electrochemical anti-corrosion device 22 is installed on the inner wall. The device 22 can adopt a sacrificial anode or an external current facility; an electric heating device is installed on the surface of the drain, and an electric heating element is installed in the inner cavity of the drain system.

[0023] The body system A is located at the lower part of the drain device, including body 3, body flange 4, water inlet 5, water inlet ...

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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...

Claims

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Application Information

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IPC IPC(8): F17D3/14
Inventor 于晓峰于晓波于帆于连第
Owner 于连第
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