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Semicircle and variable-section air duct of drying room of automotive body

A technology of automobile body and air supply duct, which is applied in the field of air supply duct with variable cross-section in automobile body drying room, which can solve the problems of backflow and inability to achieve uniform air supply, and achieve the effect of avoiding fresh air backflow and good air supply uniformity

Active Publication Date: 2012-05-16
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the phenomenon that the traditional equal-section rectangular air duct cannot achieve uniform air supply and the fresh air will flow back at the tuyere, the present invention proposes a semi-circular deformation of the car body drying room that can uniformly supply air and keep the static pressure of the entire air duct constant. cross section air duct

Method used

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  • Semicircle and variable-section air duct of drying room of automotive body
  • Semicircle and variable-section air duct of drying room of automotive body
  • Semicircle and variable-section air duct of drying room of automotive body

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Embodiment Construction

[0024] refer to Figure 1-3 , the semi-circular variable-section air supply duct of the car body drying room, side holes 2 are evenly distributed on the side of the air duct, the air duct is composed of several pipe sections 1, and the section of the pipe section 1 is semicircular, And the section radius of the pipe section 1 decreases successively.

[0025] The lengths of the pipe sections 1 are equal.

[0026] The calculation formula of the section size of the pipe section 1 is as follows:

[0027] A 1 = ( 1 - n i n ) · ...

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Abstract

The invention discloses a semicircle and variable-section air duct of a drying room of an automotive body, which is characterized in that: the side face of the air duct is uniformly provided with lateral holes; the air duct consists of a plurality of pipe sections; the pipe section is semicircle; and the radiuses of the sections of the pipes decrease in turn. The air duct has the advantages of achieving high air-supply uniformity and avoiding the phenomenon of new-air backflowing.

Description

technical field [0001] The invention relates to a variable-section air supply channel of a car body drying room. Background technique [0002] In the automobile body coating production line, the drying room occupies an important position. After the surface of the workpiece is coated with paint, it needs to be dried and cured in a drying room to form a beautiful and firm coating. High-performance coatings not only have strict requirements on curing temperature and time, but also have high requirements on the internal environment of the drying room equipment, that is, the temperature uniformity in the working area of ​​the drying room. Only the superior drying environment and conditions can fully guarantee the drying quality. Therefore, how to better ensure the uniformity of the temperature in the drying room has become the primary issue. [0003] In the air duct structure of the car body drying room, a rectangular air duct with equal cross-section is generally used. Althou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B21/06
Inventor 叶永伟蒋建东陈建刘志浩江叶峰林海陈贵
Owner ZHEJIANG UNIV OF TECH