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Continuous casting cutting nozzle

A cutting nozzle and continuous casting technology, applied in the field of metal cutting devices, can solve the problems of low cutting speed, uneven cutting surface, high cutting cost, etc., and achieve the effects of fast cutting speed, good cutting effect and high cutting quality

Inactive Publication Date: 2012-02-01
陈寅明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the structural reasons of the existing continuous casting cutting nozzle, the firepower is not concentrated due to the flat injection of gas, which not only makes the cutting gap large, the cutting surface is uneven, the upper edge collapses, and the lower slag hangs, the cutting speed is not high, and the energy consumption is large. High cutting cost
And the slag is easy to stick to the cutting nozzle and block it, resulting in tempering phenomenon, and the cutting nozzle is easy to be damaged

Method used

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Embodiment Construction

[0012] The present invention will be further described through embodiment now in conjunction with accompanying drawing. Such as figure 1 As shown, the core seat is a flat head type core seat 1, the flat head type core seat 1 and the core head 2, and the core rod 3 are processed into one to form an integral core body 13; the free end of the flat head type core seat 1 (intake end ) The end face is provided with a concave ring groove 6 around the high pressure oxygen hole 7, and a number of mixed gas (cutting gas) holes 5 whose two ends are respectively connected to the energy storage chamber 4 and the concave ring groove 6 are arranged on the flat-headed core seat 1; The mixing air hole 5 and the high pressure oxygen hole 7 pass through the two convex ring platforms 1a and 1b formed on both sides by the concave ring groove 6 on the free end surface of the flat head type core seat 1 respectively, and constitute the sealing surface connected with the torch body.

[0013] The core...

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Abstract

The invention discloses a continuous casting cutting nozzle which has the advantages of simple structure, simple machining process, small size, concentrated flame, high cutting quality and speed and low energy consumption. The continuous casting cutting nozzle comprises a core body which is formed by connecting a nozzle core and a core seat, wherein the nozzle core comprises a frustum-shaped core head and a core rod, and the core body is provided with a frustum-shaped high-pressure oxygen hole.

Description

technical field [0001] The invention relates to a device for metal cutting, in particular to a continuous casting cutting nozzle for continuous casting of steelmaking. Background technique [0002] In steelmaking and continuous casting cutting, the cutting operation of the billet flame cutting machine is completed online and synchronized with the movement of the billet. Due to the limitation of the site and the process, the length of the billet to be cut should be as short as possible, so the cutting speed of the cutting nozzle has become a bottleneck for improving the production efficiency of continuous casting. Therefore, the cutting tool is required to have a higher cutting speed to meet the increasing Increased casting speed. In addition, with the increasing emphasis on energy, the cutting loss of steel billets and the quality requirements of the cut section are getting higher and higher, which requires the cutting tool to have a high cutting performance with a smooth s...

Claims

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Application Information

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IPC IPC(8): B22D11/126
Inventor 陈寅明
Owner 陈寅明
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