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Valve steel continuous casting crystallizer functional protection material

A continuous casting crystallizer and protection material technology, which is applied in the field of metallurgical auxiliary materials, can solve the problems of excessive use of carbonaceous materials and insufficient stability of billet quality, and achieve improved billet quality, improved melting uniformity, and good melting characteristics Effect

Inactive Publication Date: 2020-06-05
西峡县西保冶金材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The protective material has the characteristics of good quality, low loss, high shrinkage rate, and strong toughness. However, the protective material uses a large amount of carbonaceous materials, and the quality stability of the slab is insufficient. The demand for continuous casting with high standards is still can not satisfy

Method used

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  • Valve steel continuous casting crystallizer functional protection material
  • Valve steel continuous casting crystallizer functional protection material
  • Valve steel continuous casting crystallizer functional protection material

Examples

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Embodiment Construction

[0018] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0019] The present invention is described in detail through the following seven embodiments. The functional protection material for continuous casting mold for valve steel provided by the present invention is shown in tabular form. The functional protection material for continuous casting mold for valve steel provided by the seven embodiments The raw materials and their weight percentages are shown in Table 1.

[0020] Table 2 shows the chemical components and weight percentages of the functional protective materials for continuous casting molds for valve steel provided in Examples 1-7.

[0021] Table 3 shows the chemical composition and weight percentage of the premelt of the continuous casting mold functional protection material for valve steel provided in Examples 1-7.

[0022] Table 4 shows the physical and chemical properties of the contin...

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Abstract

The invention discloses a valve steel continuous casting crystallizer functional protection material. The material comprises the following raw material components including, by weight, 36.0-42.0% of pre-melt materials, 14.0-17.0% of wollastonite, 9.0-11.0% of fine glass powder, 3.0-5.0% of lithium carbonate, 7.0-9.0% of fluorite, 2.0-4.0% of sodium fluoride, 3.0-5.0% of cryolite, 10.0-12.0% of graphite carbon, 2.0-3.5% of carbon black and 2.0-3.5% of a binder. According to the valve steel continuous casting crystallizer functional protection material, the thermal insulation effect and the melting effect are guaranteed, furthermore, pulling break, slag inclusion and depression of casting blanks are effectively prevented, and the non-cleaning rate of the surfaces of the obtained casting blanks reaches up above 98%.

Description

technical field [0001] The invention belongs to the technical field of metallurgical auxiliary materials, and in particular relates to a continuous casting crystallizer functional protection material for valve steel. Background technique [0002] Internal combustion engines include gasoline engines and diesel engines, which are used in automobiles, motorcycles, tractors, ships, diesel locomotives, tanks, oil drilling rigs, construction machinery, mobile power stations, etc., and play an important role in the national economy and even national defense and military industries. The development of internal combustion engine valve steel is closely related to the development of internal combustion engines in my country. For decades, especially since the reform and opening up, advanced internal combustion engines from Germany, the United States, Japan, France and other countries have been introduced into my country, which has rapidly improved the level of internal combustion engine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/111
CPCB22D11/111
Inventor 江波李伟锋
Owner 西峡县西保冶金材料有限公司
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