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Treatment method for improving surface corrosion and wear resistance of pig iron casting

A corrosion-resistant and wear-resistant technology for pig iron castings, applied in liquid cleaning methods, chemical instruments and methods, cleaning methods and utensils, etc., can solve problems such as corrosion and wear, economic losses, etc., to improve corrosion and wear resistance and improve quality , the effect of prolonging the service life

Inactive Publication Date: 2021-02-02
安徽省含山县威建铸造厂(普通合伙)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, pig iron castings will be accompanied by corrosion and wear due to chemical and electrochemical reactions during use, causing serious economic losses.

Method used

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  • Treatment method for improving surface corrosion and wear resistance of pig iron casting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A treatment method for improving the corrosion and wear resistance of the surface of pig iron castings, comprising the steps of:

[0042] (1) Mud water immersion treatment:

[0043] Put river mud and pure water together in a mixing tank according to the weight-to-volume ratio of 1g:20mL, stir and mix evenly, then immerse the pig iron casting in the muddy water obtained, after ultrasonic treatment for 1 hour, filter the pig iron casting, and remove the muddy water on the surface of the pig iron casting Clean and dry for later use; the number of live bacteria in the river mud is 3000CFU / mL; during ultrasonic treatment, the frequency of ultrasonic wave is controlled to be 20kHz;

[0044] (2) Microwave activation treatment:

[0045] Place the pig iron casting obtained after soaking in muddy water in step (1) in a microwave environment for microwave activation treatment, and treat it at 400W for 20 minutes;

[0046] (3) Freezing treatment:

[0047] Take out the pig iron c...

Embodiment 2

[0053] A treatment method for improving the corrosion and wear resistance of the surface of pig iron castings, comprising the steps of:

[0054] (1) Mud water immersion treatment:

[0055] The river mud and pure water are placed in the stirring tank together according to the weight volume ratio of 1g:25mL and stirred evenly, then the pig iron casting is immersed in the muddy water obtained, after ultrasonic treatment for 1.5h, the pig iron casting is filtered, and the pig iron casting surface is Clean the muddy water and dry it for later use; the number of viable bacteria in the river mud is 4000CFU / mL; the frequency of the ultrasonic wave is controlled at 50kHz during ultrasonic treatment;

[0056] (2) Microwave activation treatment:

[0057] Place the pig iron casting obtained after soaking in muddy water in step (1) in a microwave environment for microwave activation treatment, and treat it at 450W for 25 minutes;

[0058] (3) Freezing treatment:

[0059] Take out the pi...

Embodiment 3

[0065] A treatment method for improving the corrosion and wear resistance of the surface of pig iron castings, comprising the steps of:

[0066] (1) Mud water immersion treatment:

[0067] Put river mud and pure water together in a mixing tank according to the weight-to-volume ratio of 1g:30mL, stir and mix evenly, then immerse the pig iron casting in the obtained muddy water, after ultrasonic treatment for 2 hours, filter the pig iron casting, and remove the muddy water on the surface of the pig iron casting Clean up and dry for later use; the number of live bacteria in the river mud is 5000CFU / mL; during ultrasonic treatment, the frequency of ultrasonic wave is controlled to be 80kHz;

[0068] (2) Microwave activation treatment:

[0069] Place the pig iron casting obtained after soaking in mud water in step (1) in a microwave environment for microwave activation treatment, and treat it at 500W for 30 minutes;

[0070] (3) Freezing treatment:

[0071] Take out the pig iron...

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Abstract

The invention discloses a treatment method for improving the surface corrosion and wear resistance of a pig iron casting, and belongs to the technical field of pig iron casting surface treatment. Thetreatment method comprises the following step (1) of mud water soaking treatment; the step (2) of microwave activation treatment; the step (3) of freezing treatment; the step (4) of dipping treatment;and the step (5) of laser shock wave strengthening treatment. According to the treatment method for improving the surface corrosion and abrasion resistance of the pig iron casting, the pig iron casting treated through the method has high resistance to acid, alkali and salt corrosion, the quality of the pig iron casting is effectively improved, and the service life of the pig iron casting is prolonged.

Description

technical field [0001] The invention belongs to the technical field of surface treatment of pig iron castings, and in particular relates to a treatment method for improving the corrosion and wear resistance of the surface of pig iron castings. Background technique [0002] With the advancement of science and technology and the development of modern industry, the working efficiency of mechanical equipment is constantly improving, and the speed of parts being worn out by friction is getting faster and faster. Therefore, the service life of parts has become one of the important factors affecting the production efficiency of industrial equipment. Wear is one of the main reasons for the failure of mechanical equipment parts. Although material wear rarely causes catastrophic damage, the energy and material consumption caused by it cannot be ignored, because wear not only leads to frequent replacement of parts and reduces productivity, but also It will lead to a significant reducti...

Claims

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Application Information

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IPC IPC(8): C21D10/00B08B3/12C21D6/04
CPCB08B3/12C21D6/04C21D10/005
Inventor 徐正平徐正东
Owner 安徽省含山县威建铸造厂(普通合伙)
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