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A kind of composite release agent for copper anode casting and preparation method thereof

A technology of release agent and copper anode, which is used in casting and molding equipment, molds, and mold components, etc., can solve the damage of release agent, the inability of release agent to form adhesion, and the difficulty of releasing agent when the anode plate is quenched by water. Whiteboard rate and other issues, to achieve the effect of reducing sticking, reducing sticking phenomenon, and improving physical specifications

Active Publication Date: 2016-08-24
YUNNAN COPPER CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem that the release agent for ordinary copper anode casting cannot form a dense film with strong adhesion, the release agent is easily washed away by copper water and damage the copper mold, and the release agent is not easy to detach when the anode plate is quenched in water, resulting in high white board rate. , the invention provides a composite release agent for copper anode casting, comprising the composition of barium sulfate and oxide, characterized in that:

Method used

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  • A kind of composite release agent for copper anode casting and preparation method thereof
  • A kind of composite release agent for copper anode casting and preparation method thereof
  • A kind of composite release agent for copper anode casting and preparation method thereof

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preparation example Construction

[0040] The present invention also provides a preparation method of a composite release agent for copper anode casting, which is characterized in that it comprises the following steps:

[0041] Prepare the composition of the composite release agent according to the following mass ratio:

[0042] BaSO 4 30%~70%

[0043] B 2 o 3 2.5%~15%

[0044] SiO 2 20%~45%

[0045] Al 2 o 3 1%~7%

[0046] CaO 1%~8%

[0047] where BaSO 4 The particle size is 1000-1200 mesh, B 2 o 3 , SiO 2 、Al 2 o 3 , The particle size of CaO is 150-200 mesh;

[0048] Add to the blender and mix evenly, then pack into bags for later use;

[0049] When in use, the prepared powdery composite mold release agent is mixed with water at a certain temperature in a certain proportion to form an emulsion and stirred evenly.

[0050] The temperature is 65-85°C, preferably 80°C.

[0051] The ratio is a liquid-solid ratio of 1.8-2.2:1.

[0052] The present invention will be further described below in c...

Embodiment 1

[0054] Using the composite release agent composed in Table 1, mix water and release agent according to the mass liquid-solid ratio of 1.8:1, the water temperature is 70°C, stir evenly, control the temperature of the copper mold on the disc casting machine at about 150°C, and then put the prepared A good release agent emulsion is connected with the spraying system, and the normal production order is started. When the copper mold on the casting machine is transferred to the spraying station of the spraying system, the control console directly sprays the release agent emulsion, and each piece of copper The amount of emulsion sprayed on the mold surface is 2.23kg / m 2. When the copper mold sprayed with release agent arrives at the pouring station, the console controls copper water to pour into the copper mold. The casting temperature of copper water is 1180°C. When copper water is poured on the copper mold covered with release agent, the powder The release agent is sintered to for...

Embodiment 2

[0059] Using the compound release agent composed in Table 2, mix water and release agent according to the mass liquid-solid ratio of 2.2:1, the water temperature is 85°C, stir evenly, control the temperature of the copper mold on the disc casting machine at about 170°C, and then put the prepared A good release agent emulsion is connected to the spraying system to start the normal production order. When the copper mold on the casting machine is transferred to the spraying station of the spraying system, the console controls the direct spraying of the release agent emulsion. Each piece of copper The amount of emulsion sprayed on the mold surface is 1.98kg / m 2 . When the copper mold sprayed with release agent arrives at the pouring station, the console controls copper water to be poured into the copper mold. The casting temperature of copper water is 1240°C. When copper water is poured on the copper mold covered with release agent, the powder The release agent is sintered to for...

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Abstract

The invention discloses a composite release agent for copper anode casting, which comprises a composition of barium sulfate and an oxide, the barium sulfate is precipitated barium sulfate, and the composition of the oxide includes B 2 o 3 , SiO 2 、Al 2 o 3 and CaO, prepared by the following mass ratio: BaSO 4 30%~70%, B 2 o 3 2.5%~5%, SiO 2 20%~45%, Al 2 o 3 1% to 7%, CaO 1% to 8%. The invention also provides a preparation method of the composite release agent for copper anode casting. The invention belongs to the technical field of copper smelting, and mainly solves the problem that the common copper anode casting mold release agent cannot form a dense film with strong adhesion, the mold release agent is easily washed away by copper water and damages the copper mold, and the release agent is not easy to quench the anode plate into water. Detachment brings the problem of high whiteboard rate.

Description

technical field [0001] The invention relates to the technical field of copper smelting, in particular to a composite release agent for copper anode casting and a preparation method thereof. Background technique [0002] The current copper smelting process Riotokump disc casting machine has been widely used in copper anode casting. The types of molds used by Outokumpu disc casting machines are divided into steel molds and copper molds. During the production process, steel molds will not have the phenomenon of anode plate sticking, but copper manufacturers cannot complete repair and processing after steel molds are damaged. to other related enterprises for processing, delaying production progress and increasing production costs. After the copper mold is damaged, it can be cast by the production enterprise itself, which greatly improves the convenience of production. [0003] Due to the large temperature gradient between the copper water and the copper mold during casting, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C3/00B22D25/04
Inventor 于海波沈强华王家波刘中华杨小陆陈雯谷丞马涛蒋鸿黄智超何军孙安平
Owner YUNNAN COPPER CO LTD
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