Anode protection anticorrosion method for acid separating device

An anodic protection and anti-corrosion technology, applied in the field of electrochemical anti-corrosion anodic protection, can solve the problems of many changes in flow direction, many accessories, inability to protect the acid branch pipe and acid drop pipe, etc., and achieve the effect of reducing the weight of the equipment

Inactive Publication Date: 2003-04-09
兰州兴业材料保护有限公司
View PDF1 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the sulfuric acid in the acid separation device used in the drying tower and absorption tower for the production of sulfuric acid should be evenly distributed on the circular surface in the tower, it is required that the acid separation device be equipped with several acid branch pipes and acid drop pipes, the flow rate of concentrated acid in the pipe is high and There are many changes in the fl

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Anode protection anticorrosion method for acid separating device
  • Anode protection anticorrosion method for acid separating device
  • Anode protection anticorrosion method for acid separating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Below in conjunction with the preferred embodiment shown in accompanying drawing, be described in further detail:

[0023] See figure 1 In Example 1 of the present invention, the acid distribution tank 6 and the acid fallout tube 7 of the cathode external trough type acid distribution device, the cathode 2, the reference electrode 3, the potentiostat 4, the acid distribution tank 6 and the acid fallout tube 7 pass through as the anode The wire is connected to the positive pole of the potentiostat 4 and the zero potential, the negative pole of the potentiostat 4 is connected to the cathode 2 of the five acid-distributing tanks of the acid-distributing device through a wire, and the reference junction of the potentiostat 4 is connected to the positive pole of the potentiostat 4 through a wire. On the reference electrode 3 located in the acid distribution tank. Cathode 2 is a super-elongated rod ( figure 2 ), located on the acid-distributing tank 6 outside the acid-dist...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention relates to electrochemical corrosion preventing anode protecting technology and is used especially for acid separator in acid producting equipment. The anode protecting device includes acid separating pipes, cathode, reference electrode and constant potential instrument and features that the acid separating pipes as the anode are connected via wires to the positive electrode and zero potential of the constant potential instrument, the cathodes of the acid separating pipes in the acid separator are connected to the negative electrode of the constant potential instrument and the reference electrodes of the acid separating pipes are connected to the reference electrode of the constant-potential instrument. The said method can expand the anode protecting area to 2.5 m over area to protect the inner surfaces of the acid separating branches.

Description

Technical field: [0001] The invention mainly relates to an electrochemical anti-corrosion anode protection technology, in particular to an electrochemical anti-corrosion anode protection technology for an acid division device in acid production equipment. Background technique: [0002] The acid separation device used in the drying tower and absorption tower of the prior art for producing sulfuric acid generally adopts the groove type acid separation device in its structure, and the material adopts ball mill cast iron, low chromium cast iron and other alloy materials. Due to the corrosion of sulfuric acid in the tank, the acid distributor depends on the consumption of wall thickness to ensure its use, and the impurities in the tank often block the acid branch pipe. The acid separation device is heavy and has a short service life. During the annual overhaul, considerable parts need to be replaced. The working environment is quite harsh and the maintenance cost is very high. I...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C23F13/06
Inventor 沈国栋温士军高平王艳春王田才周帆
Owner 兰州兴业材料保护有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap