Coating for frequency-adjustable high-sound-intensity soot blower sound production assembly, and preparation method for coating

A technology of soot blower and strong sound wave, which is applied in the direction of coating, surface reaction electrolytic coating, electrolytic coating, etc. It can solve the problems of affecting the matching accuracy of sounding components, the influence of sounding component matching accuracy, and deformation of sounding components, so as to avoid sounding Component mismatch, reduce repeated tooling, and reduce the effect of friction coefficient

Inactive Publication Date: 2015-03-11
NANJING UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using plasma electrolytic oxidation technology and solid lubricating coating deposition technology for composite treatment, it is necessary to repeatedly clamp the sounding component, which can easily cause deformation of the sounding component, thereby affecting its matching accuracy with the sounding component
At the same ti

Method used

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  • Coating for frequency-adjustable high-sound-intensity soot blower sound production assembly, and preparation method for coating
  • Coating for frequency-adjustable high-sound-intensity soot blower sound production assembly, and preparation method for coating
  • Coating for frequency-adjustable high-sound-intensity soot blower sound production assembly, and preparation method for coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Using HF-HNO 3 The solution activates the outer cylindrical thin-walled part 1 of the sound generating component;

[0033] (2) Measure 1000mL of deionized water, divide it into two parts, weigh 1g of sodium silicate, 5g of sodium phosphate and 0.3g of sodium hydroxide, and add them to 500mL of deionized water to dissolve in turn to make solution A, and weigh another ten Sodium Dialkylbenzene Sulfonate 0.015g, Nano MoS 2 Add 2g of particles and 100mL of absolute ethanol to 500mL of deionized water in turn to make solution B, then mix solution A and solution B evenly, pH=12, use magnetic stirring and ultrasonic dispersion for 30 minutes each;

[0034] (3) Partially immerse the outer cylindrical thin-walled part 1 into the suspension, keeping its axial direction parallel to the liquid surface;

[0035] (4) The outer cylindrical thin-walled part 1 is the anode, and is driven by the motor to rotate axially at a constant speed at a speed of 1r / min. It is subjected to pl...

Embodiment 2

[0037] (1) Using HF-HNO 3 The solution activates the outer cylindrical thin-walled part 1 of the sound generating component;

[0038] (2) Measure 1000mL of deionized water, divide it into two parts, weigh 2g of sodium silicate, 2g of sodium phosphate and 1g of sodium hydroxide, and add them to 500mL of deionized water to dissolve in order to make solution A, and weigh another twelve Sodium Alkylbenzene Sulfonate 0.02g, Nano MoS 2Add 10g of particles and 150mL of absolute ethanol to 500mL of deionized water in turn to make solution B, then mix solution A and solution B evenly, pH=14, use magnetic stirring and ultrasonic dispersion for 45 minutes each;

[0039] (3) Partially immerse the outer cylindrical thin-walled part 1 into the suspension, keeping its axial direction parallel to the liquid surface;

[0040] (4) The outer cylindrical thin-walled part 1 is the anode, and is driven by a motor to rotate axially at a constant speed at a speed of 3r / min. It is subjected to plasm...

Embodiment 3

[0042] (1) Using HF-HNO 3 The solution activates the outer cylindrical thin-walled part 1 of the sound generating component;

[0043] (2) Measure 1000mL of deionized water and divide it into two parts. Weigh 5g of sodium silicate, 1g of sodium phosphate and 0.6g of sodium hydroxide, and dissolve them in 500mL of deionized water to make solution A. Sodium Dialkylbenzene Sulfonate 0.025g, Nano MoS 2 Add 25g of particles and 250mL of absolute ethanol to 500mL of deionized water in turn to make solution B, then mix solution A and solution B evenly, pH=14, use magnetic stirring and ultrasonic dispersion for 60 minutes each;

[0044] (3) Partially immerse the outer cylindrical thin-walled part 1 into the suspension, keeping its axial direction parallel to the liquid surface;

[0045] (4) The outer cylindrical thin-walled part 1 is the anode, and is driven by a motor to rotate axially at a constant speed at a speed of 5 r / min. It is subjected to plasma electrolytic oxidation treatm...

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Abstract

The invention discloses a coating for a frequency-adjustable high-sound-intensity soot blower sound production assembly and a preparation method for the coating. The coating is arranged on the soot blower sound production assembly, and comprises an oxidation ceramic layer and nano solid lubricant particles, wherein the interior of the oxidation ceramic layer is filled with the nano solid lubricant particles; the oxidation ceramic layer is a hard anodizing coating; the nano solid lubricant particles comprise nano MoS2 particles or nano graphite particles. According to the coating, the nano solid lubricant particles are uniformly dispersed in an electrolyte solution, and a continuous oxidation ceramic layer/solid lubricant composite coating can be formed on the inner surface of an outer cylindrical thin-walled part in one time, repeated tooling times of the outer cylindrical thin-walled part are reduced, so that mismatching of a sound production assembly due to the deformation of the thin-walled part is avoided.

Description

technical field [0001] The invention relates to a wear-resisting and anti-friction technology for titanium alloy thin-wall workpieces vibrating at a wide frequency, in particular to a coating used for a sounding component of a frequency-adjustable high-sonic-intensity soot blower and a preparation method thereof. Background technique [0002] The frequency-adjustable high-sound intensity sonic soot blower is a new type of sonic soot blower developed based on high-sound-intensity sound generation and automatic control technology. It can be used for soot blowing on the heating surface of boilers in power plants. , the sounding component is two concentric cylindrical thin-walled parts (thickness 0.8 ~ 1.5mm), when the frequency-adjustable high-sonic soot blower is working, the airflow reaches the sounding component after being filtered, and the control system controls the reciprocating of the sounding component through electrical signals Vibrate, change to produce the desired a...

Claims

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Application Information

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IPC IPC(8): C25D11/26C25D15/00C25D7/04
CPCC25D7/04C25D11/26C25D15/00
Inventor 熊党生秦永坤张荣初李建亮闻小明刘宇清
Owner NANJING UNIV OF SCI & TECH
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