Galvanization apparatus and process of tube-type crystallizer

A technology of tubular crystallizer and electroplating equipment, which is applied in the field of electroplating tungsten-cobalt alloy and tubular crystallizer electroplating equipment, and achieves the effects of preventing the coating layer from falling off into pieces, low stress and easy disposal of waste liquid

Inactive Publication Date: 2004-03-17
鞍山冶金集团工业有限公司鞍山一炼钢分公司
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Problems solved by technology

The crystallizer of the billet continuous casting machine is a section o

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  • Galvanization apparatus and process of tube-type crystallizer
  • Galvanization apparatus and process of tube-type crystallizer
  • Galvanization apparatus and process of tube-type crystallizer

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Embodiment Construction

[0030] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0031] like figure 1 , 2 , Shown in 3, tubular crystallizer electroplating equipment of the present invention comprises plating solution storage tank 17, temperature control heater and electrolytic purification device 15, filter 21, filter suction pipeline 16, filter inlet pipe 19 , filter return liquid pipeline 22, PH value controller 18, AD486 automatic adding device 20, plating solution return pipeline 14, crossing liquid input pipeline 1, it is characterized in that this electroplating equipment has an electroplating tank, is used as electroplating cathode Tubular crystallizer copper tube 5, clamping upper sealing cover 3 of the fixture for copper tube 5, lower sealing cover 8 of the fixture, and cathode splint 6 clamped on the side of copper tube 5 are formed. The square columnar anode titanium basket 11 and its anode frame 12 are c...

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Abstract

The present invention provides one kind of electroplating apparatus for electroplating inner wall of copper tube for tubular crystallizer and the corresponding electroplating process. The electroplating apparatus includes electroplating solution storing tank, filter, relevant controller and pipeline; and the electroplating bath has tubular crystallizer copper tube as electroplating cathode, fixture sealing cover and anode titanium basket. The electroplating process includes the deoiling treatment of the inner surface of the crystallizer; and electroplating with W-Co electroplating solution comprising cobalt sulfamate, sodium tungstate, HCl, boric acid, lauryl sodium sulfate and AD486 to form coating of 0.1-1 mm thickness. The electroplating process can obtain W-Co alloy coating with small friction coefficient, high wear resistance, heat expansion coefficient near that of copper and no peeling off and production process produces easy-to-process effluent and no harmful gas.

Description

technical field [0001] The invention belongs to the technical field of electroplating, in particular to electroplating equipment for a tubular crystallizer and a process for electroplating tungsten-cobalt alloys using the equipment. Background technique [0002] Tubular mold is an important part of billet continuous casting machine. The output of continuous casting billet accounts for about 40% of the steel output, and the inner wall of the tubular crystallizer or copper plate needs to be electroplated with an alloy layer. The inner cavity of the currently used tubular crystallizer is only plated with 0.08-0.15mm of metal chromium. Because the waste gas, waste water and waste residue generated during chromium electroplating are highly toxic, and the cost of harmless treatment is very high, it is necessary to develop a new electroplating equipment and process. However, the thickness of the chromium coating is thin, the edge effect is small, and the inner surface of the tubu...

Claims

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Application Information

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IPC IPC(8): B22D11/059C25D7/04
Inventor 苏钢方克明张宏杰李毓昌殷洪岩
Owner 鞍山冶金集团工业有限公司鞍山一炼钢分公司
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