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Method for making anode tube of wet electrostatic precipitator by using non-metallic material

A wet electrostatic precipitator, non-metallic material technology, applied in the direction of electrode structure, external electrostatic separator, application, etc., can solve problems such as affecting the utilization rate of dust collection area, affecting dust removal efficiency, unable to form water film, etc., and achieve manufacturing costs. Low cost, simple production method, and the effect of optimizing performance and lifespan

Inactive Publication Date: 2018-08-17
JIAXING HUANENG ENVIRONMENT PROTECTION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to ensure the uniformity and coverage integrity of the water film on the inner wall of the anode tube directly affects the utilization rate of the dust collection area and affects the dust removal efficiency. Most non-metallic materials do not have essential conductivity. Currently, glass fiber reinforced plastics, plastics and other materials are widely used in After the anode tube is made, the surface is usually smooth and cannot form a complete water film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The method for making the anode tube of the wet electrostatic precipitator by using non-metallic materials comprises the following steps in sequence:

[0024] Step 1: Pipe inspection: Check the external dimensions of a single pipe, so that the concentricity deviation of the pipe is 2mm, and the deviation in the length direction of the pipe is 1 / 1000;

[0025] Step 2: Sandblasting treatment: perform sandblasting treatment twice on the inner wall of the qualified pipe in step 1 to ensure that the roughness of the inner wall of the pipe is Ry120, and the sandblasting sand material is glass sand;

[0026] Step 3: Cutting: Cut the pipe after sandblasting in step 2 into pipe body according to the length;

[0027] Step 4: Pipe body processing: process the grounding holes at the upper and lower ends of the pipe body after step 3 cutting;

[0028] Step 5: pipe body assembly welding: install the grounding module in the grounding hole of the pipe body processed in step 4, and the...

Embodiment 2

[0033] As described in Embodiment 1, the method for making the anode tube of a wet electrostatic precipitator using non-metallic materials, this embodiment has the following differences: the following steps are included in sequence:

[0034] Step 1: Pipe inspection: Check the external dimensions of a single pipe, so that the concentricity deviation of the pipe is 1mm, and the deviation in the length direction of the pipe is 1 / 1000;

[0035] Step 2: Sandblasting: Sandblasting is performed twice on the inner wall of the qualified pipe in step 1 to ensure that the roughness of the inner wall of the pipe is Ry50, and the sandblasting material is glass sand, and the particle size of the glass sand is 20 mesh;

[0036] Step 3: Cutting: Cut the pipe after sandblasting in step 2 into pipe body according to the length;

[0037] Step 4: Pipe body processing: process the grounding holes at the upper and lower ends of the pipe body after step 3 cutting;

[0038] Step 5: pipe body assembl...

Embodiment 3

[0042] The method for making the anode tube of the wet electrostatic precipitator as described in the first and second embodiments, the present embodiment has the following differences: the following steps are sequentially included:

[0043] Step 1: Pipe inspection: Check the external dimensions of a single pipe, so that the concentricity deviation of the pipe is -2mm, and the deviation in the length direction of the pipe is 1 / 1000;

[0044] Step 2: Sandblasting treatment: perform sandblasting treatment twice on the inner wall of the qualified pipe in step 1 to ensure that the roughness of the inner wall of the pipe is Ry200, and the sandblasting sand material is glass sand, and the particle size of the glass sand is 200 mesh;

[0045] Step 3: Cutting: Cut the pipe after sandblasting in step 2 into pipe body according to the length;

[0046] Step 4: Pipe body processing: process the grounding holes at the upper and lower ends of the pipe body after step 3 cutting;

[0047] St...

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Abstract

The invention relates to a method for preparing a wet-type electric precipitator anode tube from a nonmetallic material. The method comprises tube detection, sandblasting, cutting, tube processing, tube assembly welding, and tube bundle resistivity testing. An anode tube prepared through tube detection, sandblasting, cutting, tube processing, tube assembly welding and tube bundle resistivity testing can effectively solve the non-metallic material conductive problems and ensure that a water film and a grounding module are communicated in precipitator operation, and a grounding module lead is communicated with a grounding network so that charge enriched on the anode is released. The method has simple processes, realizes a low manufacturing cost and optimizes the use performances and life of the product. Through two glass sand blasting processes, roughness of the tube inner wall is uniform relative to those of other metal sand and other sand materials. Glass sand can prevent the wall roughness out of control and damage to the anode tube.

Description

technical field [0001] The invention relates to a method for making an anode tube of a wet electric precipitator by using non-metallic materials. Background technique [0002] The use of non-metallic materials to make anode tube bundles needs to solve the problem of module conductivity. In general, the conduction of the anode module is realized by the water film attached to the inner wall. How to ensure the uniformity and coverage integrity of the water film on the inner wall of the anode tube directly affects the utilization rate of the dust collection area and affects the dust removal efficiency. Most non-metallic materials do not have essential conductivity. Currently, glass fiber reinforced plastics, plastics and other materials are widely used in After the anode tube is made, the surface is usually smooth and cannot form a complete water film. Contents of the invention [0003] The technical problem to be solved by the invention is to provide a method for making the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03C3/49B03C3/16B29D23/00
CPCB03C3/16B03C3/49B29D23/001
Inventor 宋凯健姚荣平邵龙国夏明田光和班冬波梁茂尧吴敏凯
Owner JIAXING HUANENG ENVIRONMENT PROTECTION EQUIP CO LTD
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