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Material dynamic corrosion resistance testing device and testing method

A test device and anti-erosion technology, which is applied in measuring devices, analysis materials, weather resistance/light resistance/corrosion resistance, etc., can solve the problems of inability to truly simulate materials, and achieve the effects of improving test efficiency, convenient operation, and improving accuracy

Active Publication Date: 2017-11-17
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a material dynamic anti-corrosion performance testing device and its testing method. The device and method overcome the current shortcomings of being unable to truly simulate the actual use environment of the material, and have the ability to truly and dynamically simulate the actual service environment of the material and improve the accuracy of the test.

Method used

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  • Material dynamic corrosion resistance testing device and testing method
  • Material dynamic corrosion resistance testing device and testing method
  • Material dynamic corrosion resistance testing device and testing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The method for testing the dynamic anti-erosion performance of materials using the above-mentioned material dynamic anti-corrosion performance testing device, the steps are:

[0049] Select a group of BN-based ceramic samples, numbered A1, A2, A3...A8, and process them into Figure 8 , 9 The structure shown is spare; corundum material is selected as the connecting main part material, and processed into Figure 4 , 5 The structure shown; choose aluminum carbon material as the connecting accessory material, and process it into Figure 6 , 7 structure shown. according to figure 1 In the assembly mode, the sample 15 is connected with the connection accessory 14;

[0050] Select low-carbon steel and mold slag as experimental materials, place the low-carbon steel material in the crucible, put the mold slag into the feeding tank 21, use the hydraulic platform 29 to lift the crucible to a suitable position, and then put the upper cover 10 and the lower cover Cover 28 and...

Embodiment 2

[0057] The method for testing the dynamic anti-erosion performance of materials using the above-mentioned material dynamic anti-corrosion performance testing device, the steps are:

[0058] Select a group of refractory samples, numbered B1, B2, B3...B8, and process them into Figure 8 , 9 The structure shown is spare; the cordierite material is selected as the connecting main part material, and processed into Figure 4 , 5 The structure shown; choose aluminum carbon material as the connecting accessory material, and process it into Figure 6 , 7 structure shown. according to figure 1 In the assembly method, the sample, the connecting main part and the connecting auxiliary part are assembled, and hung on the sample hanger 12;

[0059] Select alloy steel and mold slag as experimental materials, place the alloy steel material in the crucible, put the mold slag into the feed tank 21, use the hydraulic table 29 to raise the crucible to a suitable position, and then put the up...

Embodiment 3

[0066] The method for testing the dynamic anti-erosion performance of materials using the above-mentioned material dynamic anti-corrosion performance testing device, the steps are:

[0067] Select a group of temperature-resistant concrete samples, numbered C1, C2, C3...C6, and process them into Figure 8 , 9 The structure shown is spare; the cordierite-mullite composite material is selected as the main connecting material, and processed into Figure 4 , 5 The structure is shown; zirconium carbonaceous material is selected as the connection auxiliary material, and processed into Figure 6 , 7 structure shown; figure 1 In the assembly method, assemble the sample, connecting main parts and connecting auxiliary parts, and hang them on the sample rack;

[0068] Select molten salt as the experimental material, place the molten salt material in the crucible, use the hydraulic table 29 to raise the crucible to a suitable position, and then cover the upper cover 10 and the lower cov...

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Abstract

The invention discloses a material dynamic corrosion resistance testing device. The material dynamic corrosion resistance testing device comprises a support mechanism, an experimental furnace mechanism, a testing mechanism, and a lifting mechanism; the support mechanism comprises a vertical support, a transverse support, a guide pillar, and a movable support rod; the experimental furnace mechanism comprises a furnace body and a sleeve pipe; the two ends of the sleeve pipe are provided with an upper seal cap and a lower seal cap respectively; the lower seal cap is provided with a gas inlet; the testing mechanism comprises a crucible; the crucible is arranged in the sleeve pipe; a sample hanging support is arranged above the crucible, the upper end of the sample hanging support is connected with a suspension main rod, and the lower end is connected with a sample via a connecting piece; the two end of the suspension main rod are connected with the movable support rod and the sample hanging support respectively; one end of a gas jet guide pipe is connected with a gas jet device, and the other end is designed to pass through the suspension main rod and the sample hanging support, stretch into the crucible, and be connected with a nozzle; a vacuum pump and a protection gas cylinder are connected with a gas inlet respectively; the bottom of the crucible is provided with a thermocouple. The invention also provides a testing method used for testing material dynamic corrosion resistance. The material dynamic corrosion resistance testing device is capable of realizing real dynamic simulation of material practical service environment.

Description

technical field [0001] The invention belongs to the application field of material testing, and in particular relates to a material dynamic anti-corrosion performance testing device and a testing method thereof. Background technique [0002] During the iron and steel smelting process, the refractory lining will be eroded by molten steel and enter the molten steel, polluting the molten steel, changing the composition of the molten steel, and reducing the quality of the steel. The reduction of the service life of the refractory lining will also affect the continuous production of steel, and at the same time, it will also increase the production cost. Therefore, the research on the high-temperature erosion performance of refractory linings (industrial ceramics, refractory materials and heat-resistant concrete) used in the iron and steel industry has important practical significance. [0003] At present, the testing methods of refractory corrosion resistance test used in China m...

Claims

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Application Information

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IPC IPC(8): G01N17/00
CPCG01N17/006
Inventor 刘孟陈华圣韩斌刘继雄徐国涛
Owner 武汉钢铁有限公司