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Sealing rapid cooling chamber

A technology of cold chamber and cold heat exchanger, which is applied in the field of bright heat treatment equipment for alloy steel, which can solve the problems of large metallographic structure and hardness dispersion of workpieces, large mass dispersion, and low material utilization rate, etc., and achieve stable quality And reliable, rapid and uniform cooling, solve the effect of uneven cooling

Active Publication Date: 2009-02-11
HANGZHOU JINZHOU TECH CO INC
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] At present, the isothermal normalizing technology is mostly carried out in the pusher furnace production line, and the cooling of the fast cooling chamber is not uniform enough, so that the metallographic structure and hardness of workpieces with different thicknesses and sizes are relatively large, that is, there is mass dispersion. The problem of large difference; in addition, there is also the disadvantage that the oxidation and decarburization seriously lead to the low utilization rate of materials

Method used

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  • Sealing rapid cooling chamber
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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] As shown in Figure 1, this sealed fast cooling chamber mainly includes the fast cooling chamber shell 3, the fast cooling chamber front door 1, the fast cooling chamber rear door 10, the fan 4 and the fan blades 5, and consists of the fast cooling chamber shell 3, the fast cooling chamber The front door 1 of the chamber and the rear door 10 of the fast cooling chamber form a sealed whole, and the housing 3 of the fast cooling chamber is provided with an infrared temperature measuring device 9 . In the inner cavity of the fast cooling chamber housing 3, a set of upper blowing outlets 8 and a group of lower blowing outlets 12 are arranged, and the upper blowing outlets 8 and the lower blowing outlets 12 are arranged opposite to each other up and down; the fast cooling chamber housing 3 is provided with a fan 4 , the below of fan blade 5 air inlet i...

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Abstract

The invention relates to a sealed fast cooling chamber which mainly comprises a fast cooling chamber shell, a front door of the fast cooling chamber, a back door of the fast cooling chamber, a fan and fan blades. The fast cooling chamber shell, the front door of the fast cooling chamber and the back door of the fast cooling chamber form a sealed body, an upper blow-off nozzle and a lower blow-off nozzle which can be controllably opened and closed are arranged inside the inner cavity of the fast cooling chamber shell, the upper blow-off nozzle and the lower blow-off nozzle are oppositely arranged; the fan is arranged on the fast cooling chamber shell, an air inlet pipe is arranged under the air inlet of the fan blades, a cold-heat exchanger is arranged between the air inlet of the fan blades and the air inlet pipe, and air circulation is formed between the air inlet pipe and the air outlet pipe; the air outlet of the fan blades is respectively communicated with an upper air outlet pipe and a lower air outlet pipe, the upper blow-off nozzle is communicated with the upper air outlet pipe by an upper blow-off pipe, and the lower blow-off nozzle is communicated with the lower air outlet pipe by a lower blow-off pipe. The sealed fast cooling chamber has the advantages of providing a protective atmosphere fast cooling chamber with a novel sealed structure, solving the problem of uneven cooling, ensuring stable and reliable quality of the bright isothermal normalizing, and realizing the purposes of saving materials and reducing energy consumption.

Description

technical field [0001] The invention belongs to the field of bright heat treatment equipment for alloy steel, in particular to a sealed fast cooling chamber, which is suitable for fast and uniform cooling of automobile gears and precision mechanical parts bright isothermal normalizing technology. Background technique [0002] In recent years, ordinary normalizing has been replaced by advanced isothermal normalizing technology. The isothermal normalizing process technology can make mechanical parts have good mechanical properties, high strength, good toughness, and give full play to the potential of materials; in addition, it can also reduce heat treatment deformation and improve grinding processing efficiency during final heat treatment. The best way to save energy and materials. In order to improve the finished product rate more effectively, we have developed bright isothermal normalizing technology to avoid oxidation and decarburization of workpieces during normalizing he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/28
Inventor 於文德韩志根张洪飞
Owner HANGZHOU JINZHOU TECH CO INC
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