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Protection device for quick-changing mechanisms

A technology of protection device and supervisor, which is applied to casting melt containers, metal processing equipment, casting equipment, etc., can solve problems such as inconvenience of use, and achieve the effect of convenient cooling operation process.

Inactive Publication Date: 2014-02-12
泰州市旺鑫耐火材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a quick-change mechanism protection device to solve the problem of inconvenient use

Method used

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  • Protection device for quick-changing mechanisms

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Embodiment Construction

[0008] The embodiment of the present invention is now described in conjunction with the drawings. The structure of the present invention includes a main pipe 1. One end of the main pipe 1 is provided with a joint 4 for cooling gas to enter. The other end of the main pipe 1 is closed, and a valve 3 is provided near the joint 4. The main pipe 1 A number of branch pipes 6 are connected in parallel at intervals, the top of the branch pipe 6 is provided with a quick joint 8 that cooperates with the gas nozzle on the quick-change mechanism 5, and the middle part of the branch pipe 6 is provided with a branch pipe joint 7; the main pipe 1 and the branch pipe 6 It is a metal hose, the cross-sectional area of ​​the first hole of the main pipe is greater than the sum of the cross-sectional areas of the six holes of the branch pipes, and the cooling gas is argon or nitrogen.

[0009] When in use, connect the branch pipes to the quick-change mechanism in advance according to the needs, ope...

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Abstract

The invention provides a protection device for quick-changing mechanisms, which is used for cooling and protecting quick-changing mechanisms of steel-iron continuous-casting tundish nozzles. The protection device comprises a main tube (1), wherein one end of the main tube is provided with a joint (4) through which cooling gas enters, and the other end of the main tube is enclosed; a valve (3) is arranged at a position close to the joint (4); a plurality of branch tubes (6) are connected in parallel to the main tube at certain intervals; rapid joints (8) which are matched with nozzles on quick-changing mechanisms (5) are arranged at the top ends of the branch tubes; branch tube joints (7) are arranged at the middle positions of the branch tubes; the main tube and the branch tubes are metal hoses; the section area of the main tube is larger than the sum of the section area of each branch tube; the cooling gas is argon or nitrogen. The protection device is convenient and rapid for operating, the gas pressure of each branch tube is balanced, the gas flow is ensured, and the cooling effect is improved.

Description

technical field [0001] The invention relates to a protection device for a quick-change mechanism of a nozzle in a steel continuous casting tundish, in particular to a device for cooling the quick-change mechanism. Background technique [0002] The quick change mechanism of the tundish nozzle is equipped with upper and lower guide plates to clamp the upper nozzle and the lower nozzle, so that the surface contact between the upper nozzle and the lower nozzle can eliminate the phenomenon of steel leakage and steel leakage and quickly replace the lower nozzle. The clamping is realized by the force of the tension spring set between the upper and guide plates. During the molten steel pouring process, the upper and lower nozzles absorb heat and have a high temperature, which makes the contact surface of the nozzle oxidized and damaged. At the same time, the heat is transferred to the spring to make Spring fatigue affects the clamping of the upper and lower nozzles, so cooling measu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/56B22D41/60
Inventor 高桂航
Owner 泰州市旺鑫耐火材料有限公司