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A process of controlling phosphated residue content

A technology of phosphating slag and content, applied in phosphating, metal material coating process, measuring device and other directions, can solve the problem of easy misjudgment, inaccurate slag content in phosphating solution, phosphating slag remover and regular pouring Can not adjust and other problems to achieve the effect of eliminating pits and accurate readings

Active Publication Date: 2015-02-11
ZHEJIANG GEELY HLDG GRP CO LTD +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a phosphating slag removal machine and regular pouring tanks that cannot be adjusted according to the actual situation of the phosphating solution. At present, the slag content of the phosphating solution is not accurate enough and easy to be misjudged by manual visual inspection experience. Slag content control process

Method used

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  • A process of controlling phosphated residue content
  • A process of controlling phosphated residue content

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Embodiment

[0023] Embodiment: a kind of phosphating slag content control technology, adopts such as figure 1 The sedimentation measuring device shown was used for the measurement. figure 1 The shown device includes a support, and the support includes a base 1 placed on the table. The upper surface of the base 1 is provided with a vertical pole 2. The vertical pole 2 is provided with a cantilever 3 adjustable up and down, and the end of the cantilever is connected with a ring bracket 7 . The ring-shaped support is provided with a tapered measuring cup 5 with a large top and a small bottom. The upper side wall of the tapered measuring cup 5 is engraved with a scale for reading the amount of phosphating solution, and the bottom side wall is engraved with a scale for reading the amount of sediment. The bottom cone top of the conical measuring cup 5 is blocked by a detachable plugging screw 6, which can be unscrewed during cleaning.

[0024] Such as figure 1 , 2 As shown, cantilever 3 is f...

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Abstract

The invention relates to a process of controlling phosphated residue content, and solves the problems that a phosphated residue removing machine and regular trough inverting cannot adjust according to the actual situation of a phosphating solution, and currently, it is not accurate enough to estimate the residue content of the phosphating solution according to human visual experience so that it is easy to estimate wrongly. The process adopts a precipitation measuring device for auxiliary measurement. The precipitation measuring device comprises a support. The support is provided with a circular bracket. A conical measuring cup with a big end up is erected on the circular bracket. A scale for reading the pouring amount of the phosphating solution is provided on the side wall of the upper part of the conical measuring cup. A scale for reading the height of the precipitate is provided on the side wall of the bottom of the conical measuring cup. The cone top of the bottom of the conical measuring cup is further provided with a detachable plugging screw. 1000 ml phosphating solution is taken and poured into the conical measuring cup. After precipitating for 30-40 min, the precipitate content is read for judging whether the residue removing machine needs to be checked or the trough needs to be inverted. The process of the invention realizes quantification measurement of the phosphated residue to make the control for the phosphated residue of the phosphating solution more accurate. The reasonable design of the measuring device guarantees the accurate reading of the precipitate content.

Description

technical field [0001] The invention relates to a measurement technology, in particular to a process for controlling the content of phosphating slag. Background technique [0002] After being welded and welded, the automobile body-in-white needs to be painted in order to have its beautiful appearance and high added value. In the coating process, the phosphating process before electrophoresis is very important, and a better phosphating film can facilitate electrophoresis film formation. In the process of phosphating and film formation, phosphating sludge will inevitably be generated. In addition, due to improper control of the ratio of phosphating solution, excessive sludge will be generated. If the content of phosphating sediment in the bath is too high, it will adhere to the workpiece and affect the performance of the coating film. If it is brought into the electrophoresis tank, the phosphating residue will destroy the stability of the electrophoresis tank and affect the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/73C25D11/36C25D13/22
CPCG01N15/06
Inventor 张凯吴艳华石旭辉安聪慧冯擎峰
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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