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Analytic pretreatment machine for metal material and treatment method for analytic pretreatment machine

A technology of metal materials and flanges, which is applied in the field of metallurgical analysis and detection, can solve the problems of secondary oxidation, low degree of automation, and influence on analysis results, and achieve the effect of avoiding secondary oxidation, satisfying rapid analysis, and accurate detection results

Active Publication Date: 2013-07-17
NANJING HEAO ELECTROMECHANICAL EQUIP
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  • Description
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AI Technical Summary

Problems solved by technology

This process has the following problems: ①The whole process is carried out in the atmospheric environment, and there is a secondary oxidation problem, which affects the analysis results; ②It is difficult to completely remove the oxide layer around the sample obtained by shearing, and a new oxide layer generated by high-temperature oxidation will be generated; ③ The degree of automation is low, and it cannot meet the requirements of rapid analysis in the laboratory
However, this device is not suitable for the surface oxide layer removal treatment of metallurgical samples

Method used

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  • Analytic pretreatment machine for metal material and treatment method for analytic pretreatment machine
  • Analytic pretreatment machine for metal material and treatment method for analytic pretreatment machine

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Embodiment 1

[0019] The metal material analysis preprocessing machine of the present embodiment is as figure 1 As shown, the vertical cylindrical vacuum chamber is composed of a lower flange 9 and an upper flange 2 with opposite ring grooves on the upper and lower surfaces, and a glass cylinder 4 whose inner and outer diameters match the ring grooves. , The lower ends are respectively inserted into the ring grooves of the upper and lower flanges lined with sealing rings 3, and the sealing is firmly connected. One side of the cylinder body 4 has a sealed door (not shown in the figure), and the top flange of the vacuum chamber has an air extraction port 1 and a flange joint 28 for measuring the vacuum degree.

[0020] The bottom of the vacuum chamber is supported on the foot bar 12 through the bottom plate 11 . The bottom surface of the lower flange 9 of the vacuum chamber is insulated and fixedly connected to the cathode flange 18 connected to the high-voltage power supply through the seal...

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Abstract

The invention relates to an analytic pretreatment machine for a metal material, also relates to a corresponding treatment method and belongs to the technical field of metallurgy detecting and grinding equipment. The analytic pretreatment machine comprises a vertical cylindrical vacuum chamber provided with an air exhaust interface and a sealing door; the middle of the bottom surface of the vacuumchamber upwards extends to form a cathode tube connected with a high-voltage power supply; a cathode head with a placing area for a to-be-treated sample is arranged on the top of the cathode tube; a shielding device for covering the cathode head and the cathode tube is extended from the periphery of the placing area; a cooling channel which is externally connected with a cooling fluid source is arranged inside the cathode head; a grounded anode base is arranged at the middle of the top end of the vacuum chamber; the grounded anode base downwards extends to form an anode head opposite to the cathode head; an inert gas feeding pipe is arranged in the anode head; and a gas exhausting port of the gas feeding pipe is opposite to the sample placing area of the cathode head. Due to the adoption of the analytic pretreatment machine and the treatment method disclosed by the invention, secondary oxidation can be avoided; excellent effect and high speed can be obtained; and the demand for quick analysis can be better met, and thereby a more accurate detection result is obtained.

Description

technical field [0001] The invention relates to a device for removing an oxide layer on the surface of a metallurgical test piece, in particular to a metal material analysis preprocessing machine and a processing method thereof, belonging to the technical field of metallurgical analysis and detection. Background technique [0002] According to the applicant's understanding, the main steps for gas analysis of metallurgical samples are to first obtain the samples required for analysis by punching and shearing, and then put the samples into the analysis instrument for sample analysis. This process has the following problems: ①The whole process is carried out in the atmospheric environment, and there is a secondary oxidation problem, which affects the analysis results; ②It is difficult to completely remove the oxide layer around the sample obtained by shearing, and a new oxide layer generated by high-temperature oxidation will be generated; ③ The degree of automation is low, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G5/00
Inventor 杨洋金凯尹如
Owner NANJING HEAO ELECTROMECHANICAL EQUIP
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