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A kind of inoculation treatment method of cast iron

A technology of inoculation treatment and cast iron, which is applied in the field of cast iron preparation, can solve the problems of increased production cost, long residence time, poor inoculation effect, etc., and achieve the effect of reducing workload, reducing consumption, and reducing labor intensity

Active Publication Date: 2022-04-01
GUANGDONG FUHUA CASTING
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Problems solved by technology

[0002] In the production process of cast iron, the existing inoculation treatment method generally adopts the method of inoculation by pouring the ladle, that is, the first inoculation treatment is carried out in the ladle and then poured into the pouring furnace. However, the molten iron after the first inoculation Staying in the pouring furnace for a long time will lead to inoculation decline, poor inoculation effect, and easy to bring residue into the pouring furnace. At the same time, in order to deal with the problem of inoculation decline, it is often necessary to use long-acting inoculants and increase the dosage, resulting in production Increased costs

Method used

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Embodiment Construction

[0024] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.

[0025] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0026] I...

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Abstract

The invention discloses an inoculation treatment method of cast iron, which comprises the following steps: directly pouring molten iron without inoculation treatment into a pouring furnace; The second inoculant is added to the water outlet end through the flow inoculation device to carry out the second inoculation treatment. By adopting the inoculation treatment method of the present invention, the inoculation effect of molten iron is good and the production cost is low.

Description

technical field [0001] The invention relates to the technical field of cast iron preparation, in particular to an inoculation treatment method of cast iron. Background technique [0002] In the production process of cast iron, the existing inoculation treatment method generally adopts the method of inoculation by pouring the ladle, that is, the first inoculation treatment is carried out in the ladle and then poured into the pouring furnace. However, the molten iron after the first inoculation Staying in the pouring furnace for a long time will lead to inoculation decline, poor inoculation effect, and easy to bring residue into the pouring furnace. At the same time, in order to deal with the problem of inoculation decline, it is often necessary to use long-acting inoculants and increase the dosage, resulting in production Increased costs. Contents of the invention [0003] The purpose of the present invention is to solve at least one of the technical problems in the prior ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C33/08C21C1/08C21C7/00B22D1/00
CPCC22C33/08C21C1/08C21C7/0056B22D1/00
Inventor 吴志强高为君郭维伟李德佑张建勇
Owner GUANGDONG FUHUA CASTING
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