Metal can and electrochemical device for detecting corrosion strength of same
A detection device and metal can technology, which is applied in measurement devices, weather resistance/light resistance/corrosion resistance, scientific instruments, etc., can solve the problems of interfering with test results, inability to reliably estimate the remaining life of beverages, and accelerating the process of solution spoilage. Cost savings, reuse, and easy installation
Active Publication Date: 2015-06-24
ORG TECH CO LTD
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Problems solved by technology
[0003] However, once the metal beverage can is damaged, the solution in it will be exposed to the air immediately, and the oxygen in the air will accelerate the corrosion process of the inner wall of the tank and the spoilage process of the solution, which seriously interferes with the test results, and the metal beverage after the test The state of the can is also no longer the same as that of other unopened metal beverage cans, which cannot truly reflect the corrosion development process in the metal beverage can, which will also result in the unreliable deduction of the beverage contained in the same batch of metal beverage cans. remaining life
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[0010] figure 1 It is a structural schematic diagram of an embodiment of the electrochemical detection device for corrosion resistance of metal cans of the present invention; figure 2 for figure 1 top view of the screw; see figure 1 with figure 2 , the embodiment of the present invention provides an electrochemical detection device for corrosion resistance of metal tanks, including: an insulating screw 1, the top of the screw 1 is a screw head, and the bottom is a threaded part; the bottom of the screw 1 is screwed with an insulating positioning member 2 , the screw 1 is respectively fixed with a metal reference electrode column 101, a working electrode column 102 and an auxiliary electrode column 103, and the bottom end of the auxiliary electrode column 103 runs through the screw 1 and extends out of the bottom surface of the positioning member 2; 2 is provided with a hollowed out auxiliary electrode 13, the central axis of the auxiliary electrode 13 is parallel to the e...
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The invention provides a metal can and an electrochemical device for detecting the corrosion strength of the metal can. The electrochemical device comprises an insulating screw. The bottom end of the insulating screw is threadedly connected with an insulating positioning component; a metal reference electrode column, a metal work electrode column and an metal auxiliary electrode column are fixed on the screw in a penetrating way; the bottom end of the auxiliary electrode column penetrates through the screw; an auxiliary electrode is arranged below the positioning component; a positioning metal sheet is fixedly arranged on the top end of the auxiliary electrode; the bottom end of the auxiliary electrode column penetrates through the positioning metal sheet and is fixedly connected with the auxiliary electrode; a reference electrode is arranged on the positioning component at the center axis of the auxiliary electrode in a penetrating way; the top end of the reference electrode is connected with the bottom end of the reference electrode column; and the screw is also provided with a first conductor sheet for connecting the electrode column with the metal can. The electrochemical device can be used for carrying out in situ electrochemical detection to the metal can without causing damage to the metal can and reflecting the corrosion strength of the metal can truly and is convenient to install.
Description
technical field [0001] The invention relates to an electrochemical corrosion detection technology, in particular to an electrochemical detection device for the corrosion resistance of a metal can and the metal can. Background technique [0002] Since the solution in the metal beverage can is usually corrosive, the metal beverage can easily reacts electrochemically with the solution in it, causing corrosion of the metal beverage can, and when the corrosion of the metal beverage can (such as a beverage can made of tinplate) When the condition exceeds a certain level, the iron ions precipitated in the solution due to electrochemical reaction will exceed the limit value, which not only affects the taste, but also may corrode the perforated metal beverage can, causing the solution to leak or deteriorate, making the solution unable to And then for people to drink, that is, the beverage has corroded and failed within the shelf life. Therefore, it is necessary to use electrochemica...
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IPC IPC(8): G01N17/02
Inventor 赵宇晖曾科宋莉华李众
Owner ORG TECH CO LTD