Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

High-speed steel electrode blank horizontal continuous casting producing method

A technology of horizontal continuous casting and production method, applied in the field of iron and steel metallurgy, can solve the problems of rising production costs, waste, and discontinuous production, and achieve the effects of improving productivity, reducing related costs, and ensuring continuity

Active Publication Date: 2010-06-30
SOUTHEAST UNIV +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It costs more than 10,000 yuan to prepare a tundish, and the replacement of the tundish needs to interrupt production for about half an hour, which leads to discontinuous production and great waste, and the production cost also rises sharply

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-speed steel electrode blank horizontal continuous casting producing method
  • High-speed steel electrode blank horizontal continuous casting producing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The technical solution of the present invention is: in the continuous casting process, set the Nth steel as A steel, 1≤N≤6, and the tapping temperature of the last ladle of molten steel added in the continuous casting is 60% higher than its liquidus temperature ~70°C, the weight of the molten steel in the tundish is at least T tons when the continuous casting works normally; assuming that the N+1th type of steel is B steel, the weight of the first batch of molten steel for smelting B steel is K tons, and the composition is according to B X 1 = B X ( T + K ) - T × A X K control, the formula B X1 is the mass percentage content of element X in ...

Embodiment 2

[0012] 1) At the end of the continuous casting of the first type of steel (W9Mo3Cr4V steel), the tapping temperature of the molten steel is 1640 °C, and the tundish heating device is working at the same time; the weight of the molten steel in the tundish is at least 1.0-1.1 tons when the continuous casting is working normally;

[0013] 2) Continuous casting of the second type of steel (W6Mo5Cr4V2 steel) for the smelting of the first batch of molten steel is 3 tons, the content control of each component is shown in the table below, and the tapping temperature is 1630°C; The temperature is 1620°C;

[0014] element

C

W

Mo

Cr

V

mn

Si

First heat, %

0.86

5.10

5.65

4.10

2.10

0.23

0.30

Second furnace, %

0.85

6.10

5.00

4.10

1.95

0.30

0.30

[0015] 3) When the first type of steel (W9Mo3Cr4V steel) is continuously cast to 1.0-1.1 tons, inject the first molte...

Embodiment 3

[0019] 1) At the end of the continuous casting of the first type of steel (W6Mo5Cr4V2 steel), the tapping temperature of molten steel is 1630°C, and the tundish heating device is working at the same time; the weight of molten steel in the tundish is at least 1.0-1.1 tons when the continuous casting is working normally;

[0020] 2) The second type of steel (W4Mo3Cr4VSi steel) is smelted with 3 tons of molten steel in the first heat, and the content control of each component is shown in the table below, and the tapping temperature is 1640°C; 1630°C;

[0021] element

C

W

Mo

Cr

V

mn

Si

[0022] First heat, %

0.95

3.30

2.33

4.10

1.35

0.30

0.90

Second furnace, %

0.93

4.00

3.00

4.10

1.50

0.30

0.75

[0023] 3) When the first type of steel (W6Mo5Cr4V2 steel) is continuously cast to 1.0-1.1 tons, inject the first heat of molten steel of the second...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a high-speed and continuous horizontal casting and producing method of steel electrode ingots, which comprises the following production steps: when a pouring box of the continuous casting of a steel with an N kind has residues of T to T+0.1 tons, first stove molten steel of a steel with an N+1 kind is injected into the pouring box through a ZrO protective casing pipe, argon gas with the pressure of 0.15 to 0.35 MPa is blown into the pouring box and the pouring box is agitated, and the continuous casting speed is controlled at 0.4 meter per minute; after the first stovemolten steel of the steel with the N+1 kind is injected, second stove molten steel of the steel with the N+1 kind is added into the pouring box after 5 minutes; after that the second stove molten steel of the steel with the N+1 kind is added into the pouring box and continuously cast after 10 minutes, and the continuous casting speed is increased until the speed of 0.7 to 1.0 meter per minute with the acceleration speed of 0.1 to 0.2 meter per minute; the ingots which are cast during 5 minutes after that the first stove molten steel of the steel with the N+1 kind is added are processed as wastes, and continuous casting ingots that are subsequently produced are qualified electrode ingot materials of the steel with the N+1 kind.

Description

1. Technical field [0001] The invention belongs to the field of iron and steel metallurgy, in particular to a production method for horizontal continuous casting of high-speed steel electrode blanks. 2. Background technology [0002] Existing technology: high-speed steel is a special steel in special steel due to its high hardness and red hardness, and is widely used in the manufacture of various tools such as turning tools and drill bits, especially processing tools for high-speed cutting and difficult-to-cut materials , the market demand is very broad. With the high-speed development of modern processing industry and the further improvement of processing speed, the performance requirements of high-speed steel are getting higher and higher, and the demand for high-speed steel is increasing at a rate of 20% per year. In 2006, the world's total demand for high-speed steel reached more than 300,000 tons. At present, the production process of high-speed steel is mainly: [0...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/18B22D11/10
Inventor 方峰蒋建清周雪峰李德辉朱旺龙
Owner SOUTHEAST UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com