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Use method of copper anode plate casting release agent

A technology of copper anode plate and mold release agent, which is applied in the direction of casting molds, casting mold components, casting molding equipment, etc., can solve the problems of increased system maintenance costs, high energy consumption, etc., to reduce sticking phenomenon, reduce waste of resources, and improve Effects of Physical Specifications and Appearance Quality

Active Publication Date: 2018-08-03
KUNMING UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current solution to this problem is to increase the mold temperature and increase the copper water casting temperature, but this brings the disadvantages of increased system maintenance costs and high energy consumption.

Method used

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  • Use method of copper anode plate casting release agent
  • Use method of copper anode plate casting release agent
  • Use method of copper anode plate casting release agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] It is cast on a casting machine with an annual output of 150,000 tons of anode copper plates. The equipment is a double 14-mode disc casting machine. The mold material is anode copper, and the weight of the anode plate is about 270 kg.

[0017] The method for using the copper anode plate casting mold release agent, its specific steps include:

[0018] Step 1, compound 600 kilograms of barium sulfate-based composite release agent dry powder according to the components in Table 1, take out 60 kilograms from it and divide it into two buckets, as 1# plate and 2# plate cold mold casting anode plate Dry wipe release agent; the remaining 540 kg barium sulfate-based composite release agent dry powder is mixed with water in a mixing bucket to prepare a suspension with a specific gravity (mass ratio of barium sulfate-based composite release agent dry powder to water) of 1.35:1 solution, the temperature of the suspension is controlled at around 25°C (the range does not exceed 3°C)...

Embodiment 2

[0025] It is cast on a casting machine with an annual output of 200,000 tons of anode copper plates. The equipment is a double 18-mode disc casting machine. The mold material is anode copper, and the weight of the anode plate is about 350 kg.

[0026] The method for using the copper anode plate casting mold release agent, its specific steps include:

[0027]Step 1, compound 630 kilograms of barium sulfate-based composite release agent dry powder according to the components in Table 2, take out 70 kilograms therefrom and divide into two parts of barrels, as 1# plate and 2# plate cold mold casting anode plate Dry wipe release agent; divide the remaining 560 kg of barium sulfate-based composite release agent dry powder into two parts, and mix a part of 280 kg of dry powder with water in a 1# mixing bucket to prepare a specific gravity (barium sulfate-based composite release agent 790L suspension (mass ratio of agent dry powder to water) about 1.25:1, the temperature of the suspen...

Embodiment 3

[0035] The method for using the copper anode plate casting mold release agent, its specific steps include:

[0036] Step 1, compound the barium sulfate-based composite release agent dry powder according to the components in Table 4, take out 1 / 10 of the barium sulfate-based composite release agent dry powder from it and divide it into two buckets on average, as the cold mold casting anode plate Dry wipe release agent; mix the remaining barium sulfate-based composite release agent dry powder with water in a mixing bucket to prepare a suspension with a specific gravity (mass ratio of barium sulfate-based composite release agent dry powder to water) of about 1.2:1 , the temperature of the suspension is controlled at around 25°C (the amplitude does not exceed 3°C), and a polycarboxylic acid aqueous solution with a concentration of 10wt% is added to the suspension (dissolve the solid polycarboxylic acid in water at room temperature to prepare a solution with a mass concentration of ...

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Abstract

The invention relates to a use method of a copper anode plate casting release agent, and belongs to the technical field of copper smelting and casting technique. A conventional barium sulfate releaseagent or a barium sulfate-based composite release agent is mixed with water to be prepared into suspension; then polycarboxylic acid is added into the suspension and spread uniformly; then polyvinyl alcohol is added in and spread uniformly to obtain release agent suspension; after mould temperature rises above 180 DEG C, the release agent suspension is sprayed for use, wherein the adding amount ofthe polycarboxylic acid is 0.3%-2.5% of the total mass of conventional barium sulfate release agent or barium sulfate composite release agent dry powder which needs to be prepared into suspension, and the adding amount of the polyvinyl alcohol is 0.2%-2% of the total mass of conventional barium sulfate release agent or barium sulfate composite release agent dry powder which needs to be prepared into suspension. According to the use method, for overcoming the use defects of a current release agent, other materials are added; the surface tension and of the release agent suspension is changed, and dispersity of release agent particles is improved; the release agent suspension is sprayed on a hot copper mould, and a condense film with high adhesive force is formed during a water evaporation process; agglomerated particles formed on a mould plate are reduced; and the appearance quality of an anode plate is improved.

Description

technical field [0001] The invention relates to a method for using a release agent for copper anode plate casting, and belongs to the technical field of copper smelting and casting technology. Background technique [0002] During the copper anode plate casting process, a mold release agent is required to be applied on the surface of the hot copper mold to form a uniform and dense diaphragm layer on the surface of the copper mold to prevent the high-temperature copper liquid from sticking to the copper mold. The release agent also has a repairing effect on cracks, holes and pits on the surface of the mold. Due to the good lubricity of the release agent, the release agent attached to the wall along the mold can reduce the flash and burrs of the anode plate. In addition, the release agent is distributed on the mold by spraying, and when the suspension evaporates water, it can cool down the copper mold and increase the service life of the mold. At present, there are two types ...

Claims

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Application Information

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IPC IPC(8): B22C3/00B22C23/02
CPCB22C3/00B22C23/02
Inventor 沈强华贾玉波陈雯程东杰赵宗林
Owner KUNMING UNIV OF SCI & TECH
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