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Same-disc pouring process of special-shaped ingot and special-shaped ingot

A special-shaped and same-disc technology, applied in the field of steel ingot processing, can solve the problems of insufficient furnace steel small specification (batch) orders, increase energy consumption and auxiliary material consumption, refractory material consumption and excess steel increase, etc., to improve the utilization of ingots and trays efficiency, reducing labor intensity, and reducing the effect of excess steel

Inactive Publication Date: 2021-04-02
浙江三门太和大型锻造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Special-shaped ingots are steel ingots with different specifications and different weights. Usually, they need to be poured separately, which not only occupies the pouring chassis, but also adds a middle injection pipe, and the corresponding consumption of refractory materials and remaining steel will increase.
[0003] In addition, in order to meet the needs of small and medium-sized orders, it is impossible to arrange production for small-sized (batch) orders that are less than one batch of steel

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides a casting process for special-shaped ingots, which includes the following steps:

[0023] S1. Design steel ingot molds with different tonnage specifications, and produce steel ingots with different weight specifications at the same height. Wherein, the steel ingot includes the following components in terms of mass percentage: C 0.35%, Si 0.25%, Mn 0.45%, V 0.03%, Ca 0.0008%, S 0.001%, P 0.001%, Cr 13%, Fe 85.9182%.

[0024] S2. Take two kinds of steel ingots with different weight specifications and place them at a temperature of 1900° C. for melting treatment respectively to obtain two kinds of molten steels.

[0025] S3. Immediately place the above two molten steels in the same tray and pour them at a temperature of 1700° C. and a pouring speed of 1 t / min to obtain a special-shaped ingot.

Embodiment 2

[0027] This embodiment provides a casting process for special-shaped ingots, which includes the following steps:

[0028] S1. Design steel ingot molds with different tonnage specifications, and produce steel ingots with different weight specifications at the same height. Wherein, the steel ingot includes the following components in terms of mass percentage: C 0.4%, Si 0.4%, Mn 0.65%, V 0.08%, Ca 0.004%, S 0.005%, P 0.025%, Cr 14.5%, Fe 83.936%.

[0029] S2. Take two kinds of steel ingots with different weight specifications and place them at a temperature of 2000° C. for melting treatment respectively to obtain two kinds of molten steels.

[0030] S3. Immediately place the above two molten steels in the same tray and pour them at a temperature of 1800° C. and a casting speed of 5 t / min to obtain a special-shaped ingot.

Embodiment 3

[0032] This embodiment provides a casting process for special-shaped ingots, which includes the following steps:

[0033] S1. Design steel ingot molds with different tonnage specifications, and produce steel ingots with different weight specifications at the same height. Wherein, the steel ingot includes the following components in terms of mass percentage: C 0.36%, Si 0.26%, Mn 0.48%, V 0.04%, Ca 0.001%, S 0.002%, P 0.005%, Cr 13.2%, Fe 85.652%.

[0034] S2. Take two kinds of steel ingots with different weight specifications and place them at a temperature of 1920° C. for melting treatment respectively to obtain two kinds of molten steels.

[0035] S3. Immediately place the above two molten steels in the same tray and pour them at a temperature of 1720° C. and a casting speed of 2 t / min to obtain a special-shaped ingot.

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Abstract

The invention is suitable for the technical field of steel ingot processing, and provides a same-disc pouring process of a special-shaped ingot and the special-shaped ingot. The same-disc pouring process of the special-shaped ingot comprises the following steps that steel ingot molds with different tonnage specifications are designed, and steel ingots with different weight specifications are produced at the same height; at least two kinds of steel ingots with different weight specifications are taken and are separately subjected to melting treatment to obtain at least two kinds of molten steel; and the at least two kinds of molten steel are placed in the same disc to be poured, and the special-shaped ingot is obtained. According to the same-disc pouring process provided by the embodiment,two or more specifications of steel ingots are poured on the same disc by designing the specific ingot type and matching the weight with the height, so that the consumption of refractory materials isreduced, the residual steel amount is reduced, the product quality is improved, the quality is superior to that of multi-disc pouring steel ingots, the labor intensity of bottom plate masonry and pouring workers is reduced, and the direct production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of steel ingot processing, and in particular relates to a same-pan pouring process for special-shaped ingots and the special-shaped ingots. Background technique [0002] Special-shaped ingots are steel ingots with different specifications and different weights. Usually, they need to be poured in separate plates, which not only occupies the pouring chassis, but also adds an intermediate injection pipe, and the corresponding consumption of refractory materials and remaining steel will increase. [0003] In addition, in order to meet the demand for small and medium-sized orders, it is impossible to arrange production for small-sized (batch) orders that are less than one batch of steel. In order to meet the needs of customers, it can only be used with other specifications to prepare the warehouse and accumulate funds. Due to collocation with other specifications, one batch of steel with more than 2 specificatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D7/00
CPCB22D7/00
Inventor 叶君志刘玉娇叶萧藩
Owner 浙江三门太和大型锻造有限公司
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