Detection system and method for corrosion resistance of tin plate
A technology of corrosion resistance and detection system, which is applied in the direction of weather resistance/light resistance/corrosion resistance, measuring devices, instruments, etc., can solve problems such as low automation level, few product types, food safety hazards, etc., to improve detection accuracy, The effect of ensuring food safety and a high level of automation
Inactive Publication Date: 2016-11-23
SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE
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[0003] At present, all kinds of tinplate corrosion resistance testing devices are basically non-standard products, and there are few types of products, and the automation level is low, which affects the effective detection of tinplate corrosion resistance and poses certain safety hazards to food safety.
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[0028] like figure 1 As shown, the tinplate corrosion resistance detection system of the present invention includes a degreasing unit 1, a detinning unit 2, a corrosion unit 3, a detection unit 4 and a control unit 5, and the tinplate sample is successively degreased by the degreasing unit 1, and the detinning unit 2 detinning treatment and corrosion treatment in corrosion unit 3, detection unit 4 detects the corrosion current of the sample in corrosion unit 3, control unit 5 controls the degreasing treatment process of sample in degreasing unit 1, the detinning treatment process and corrosion of detinning unit 2 respectively The corrosion treatment process of unit 3, as well as collecting the corrosion current information of the detection unit 4 and obtaining the corrosion resistance performance of the sample according to the corrosion current information.
[0029] preferred, such as figure 2 As shown, the degreasing unit includes a degreasing tank 11, a graphite anode 12, ...
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The invention discloses a detection system and method for corrosion resistance of a tin plate. The detection system comprises a degreasing unit, a detinning unit, a corrosion unit, a detection unit and a control unit. A tin plate sample successively undergoes degreasing, detinning and corrosion treatment; the corrosion current of the sample is detected in the process of corrosion treatment; and the control unit controls the degreasing process, detinning process and corrosion treatment process of the sample and acquires information about the corrosion current. The method sets current density and time for forward and reverse currents between an anode and a cathode during degreasing of the sample until the sample is totally degreased; the method sets direct current voltage and a current between the anode and the cathode during detinning of the sample until the sample is totally detinned; and the method detects the corrosion current of the sample and determines the corrosion resistance of the tin plate sample according to the corrosion current. The system realizes accurate detection of the corrosion resistance of the tin plate; and the method has a high automation level, improves detection precision of the corrosion resistance of the tin plate and guarantees food safety.
Description
technical field [0001] The invention relates to a detection system and method for the corrosion resistance performance of a tinplate. Background technique [0002] With the development and progress of production technology, tinplate is widely used in the field of food and beverage packaging, such as beer and beverage cans, food cans, food packaging bottle caps, etc. Due to the high requirements of food quality, the corrosion resistance of tinplate is also put on new requirements. It is very necessary to effectively detect the corrosion resistance of tinplate to ensure food safety. [0003] At present, all kinds of tinplate corrosion resistance testing devices are basically non-standard products, and there are few types of products, and the automation level is low, which affects the effective detection of tinplate corrosion resistance and poses certain safety hazards to food safety. Contents of the invention [0004] The technical problem to be solved by the present inven...
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IPC IPC(8): G01N17/02
Inventor 施振岩朱子平袁焕张晓峰王君祥
Owner SHANGHAI BAOSTEEL IND TECHNOLOGICAL SERVICE