Continuous heat treatment production line and heat treatment method thereof

A production line and electrical connection technology, used in heat treatment furnaces, heat treatment equipment, heat treatment process control, etc., can solve the problems of long heating and heating time in the tempering process, inability to use waste heat, low production efficiency, etc., and achieve continuous feeding and program control. , Improve production efficiency and product quality, reduce energy consumption

Pending Publication Date: 2020-08-07
CHINA RAILWAY BAOJI BRIDGE GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unable to use the waste heat after normalizing, resulting in long heating time during tempering, low production efficiency and high energy consumption

Method used

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  • Continuous heat treatment production line and heat treatment method thereof
  • Continuous heat treatment production line and heat treatment method thereof
  • Continuous heat treatment production line and heat treatment method thereof

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Embodiment Construction

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only a part of the embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present invention.

[0029] Such as Figures 1 to 3 As shown, the continuous heat treatment production line of the present invention includes a feeding table 1, a medium temperature normalizing furnace 2, a rapid cooling table 3, a low temperature tempering furnace 4, a feeding table 5, a feeding roller table 6 and a PLC control system 7.

[0030] The transfer roller table 6 includes a first transfer roller table 61 , a second transfer roller table 62 , a third transfer roller table 63 , a fourth transfer roller table 64 and a fifth transfer roller table 65 .

[0031]...

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Abstract

The invention relates to a continuous heat treatment production line and a heat treatment method thereof. The continuous heat treatment production line comprises a feeding table, a medium temperaturenormalizing furnace, a quick cooling table, a low temperature tempering furnace and a discharging table; a medium temperature feeding furnace door is arranged at the feeding end of the medium temperature normalizing furnace, a medium temperature discharging furnace door is arranged at the discharging end of the medium temperature normalizing furnace, the quick cooling table is arranged on one sideof the discharging end of the medium temperature normalizing furnace in a matched mode, the low temperature tempering furnace is arranged on one side of the discharging end of the quick cooling tablein a matched mode, a low temperature feeding furnace door is arranged at the feeding end of the low temperature tempering furnace, and a low temperature discharging furnace door is arranged at the discharging end of the low temperature tempering furnace; and the discharging table is arranged on one side of the low temperature tempering furnace in a matched mode, and the feeding table, the mediumtemperature normalizing furnace, the quick cooling table, the low temperature tempering furnace and the discharging table are connected to one other through material transfer roller ways to transportworkpieces. Normalizing heating and rapid and uniform cooling of bainite alloy steel point rails are achieved, normalizing residual heat is used for entering the furnace for tempering, the layout of the production line is compact and reasonable, automatic furnace installing and discharging are achieved, and production efficiency and product quality are improved.

Description

technical field [0001] The invention belongs to the technical field of heat treatment equipment, and in particular relates to a continuous heat treatment production line and a heat treatment method thereof. Background technique [0002] At present, for the heat treatment production of bainite alloy steel core rail, the normalizing equipment used is a pit furnace, and the tempering equipment is a trolley-type box-type tempering furnace. Furnace loading and furnace removal all need manual operation, and the degree of automation is low. When normalizing, multiple core rails are hoisted vertically and heated. After the heating is completed, it is lifted out of the furnace at the same time, hung on the material rack, and an axial flow fan is used for open air blowing and rapid cooling. After reaching the process control temperature, stop the wind, continue air cooling to room temperature and then unload, adjust the core rail to be placed horizontally, and install a trolley-type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/04C21D1/28C21D11/00
CPCC21D1/28C21D9/0018C21D9/0062C21D9/04C21D11/00
Inventor 高尚君王磊郑会锋付涛任伟伟
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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