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A kind of semi-automatic pickling method of low magnification test piece

A semi-automatic, test piece technology, applied in the preparation of test samples, etc., can solve the problems of high risk factor and high labor intensity, and achieve the effect of reducing labor intensity, improving surface quality, and improving production efficiency.

Active Publication Date: 2019-03-22
HENAN ZHONGYUAN SPECIAL STEEL EQUIP MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the disadvantages of the low-power pickling test of the metallographic test piece in the above-mentioned prior art, such as high labor intensity and high risk factor, and provide a method that reduces labor intensity, ensures the safety of the operator, and improves and increases the acidity of the test piece. Low-magnification test piece semi-automatic pickling method for surface quality after washing

Method used

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  • A kind of semi-automatic pickling method of low magnification test piece
  • A kind of semi-automatic pickling method of low magnification test piece
  • A kind of semi-automatic pickling method of low magnification test piece

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Embodiment Construction

[0029] The semi-automatic pickling method for low-magnification test strips of the present invention will be further elaborated and illustrated below in conjunction with specific embodiments and accompanying drawings.

[0030] A semi-automatic pickling method for a low-magnification test piece, the method comprises the steps of:

[0031] Step 1: Make an appointment to heat the acid solution in the automatic pickling pool, and set the temperature and corrosion time;

[0032]The method for preheating the acid liquid in the step 1 is as follows: when the preheating mode is started, the system automatically starts the hot acid circulation pump and the steam generator, at this time the acid inlet valve of the acid pool is automatically closed, the bypass valve is automatically opened, and the acid The liquid is extracted from the hot acid tank, enters the sedimentation tank through the first graphite exchanger or the second graphite exchanger and returns to the hot acid tank; the a...

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Abstract

The invention belongs to the field of detection of metallographic low power test blocks, and particularly relates to a low power test block semi-automatic pickling method. The method comprises the following steps that firstly, acid liquid is preheated in an automatic pickling bath, and temperature and etching time are set; secondly, test blocks are put into the pickling bath according to the etching degrees; thirdly, the test blocks are subjected to automatic pickling is conducted according to the set temperature and time, after the set picking time is reached, the automatic pickling bath discharges acid automatically, a fan operates at a rated maximum rotation speed, and after acid mist in the bath disappears, a pickling bath cover is automatically opened for lifting-out operation on a pallet; fourthly, the test block pallet is lifted into a cleaning pool, and test block automatic cleaning is conducted by operating a cleaning trolley travelling button; and fifthly, the test block pallet is lifted out, enters a drying device with set drying temperature and reaches a detection zone until detection is completed. The low power test block semi-automatic pickling method is capable of relieving the labor intensity, ensuring the safety of operators and improving and increasing the surface quality of the test blocks after pickling.

Description

technical field [0001] The invention belongs to the detection field of metallographic low-magnification test pieces, in particular to a semi-automatic pickling method for low-magnification test pieces. Background technique [0002] The low-power pickling test of the metallographic test piece is mainly used to detect the macroscopic defects of the cross-section after cutting and processing forging billets, continuous casting billets or rolling billets, etc., and can detect the defect types of various billets Draw macro conclusions to facilitate the improvement of process and product quality. [0003] In the past, the pickling low-magnification detection was all carried out manually. About 30-50 pieces of test pieces with a thickness of 15-35mm and 100-300mm were tested every day. First, the test pieces were moved into the pickling pool manually, and then hot acid After the pickling time is up, manually remove the test pieces one by one from the acid solution in the acid pool...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F1/08C23G3/00C23G1/02G01N1/32
CPCC23F1/08C23G1/02C23G3/00G01N1/32
Inventor 李树增王娟矫天林刘运峰刘广宇常春任黎明
Owner HENAN ZHONGYUAN SPECIAL STEEL EQUIP MFG CO LTD
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