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Device and method for drying a treated product

An article, drying technology, applied in the direction of drying gas arrangement, progressive dryer, drying solid materials, etc., can solve the problems of deflection or bending, ineffective drying, prolonged drying time, etc., to achieve the effect of gentle drying

Active Publication Date: 2006-11-22
ATOTECH DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Utilizing conventional dryers, these flexible printed circuit boards or printed circuit films cannot be dried to the desired degree of effectiveness because the treated item flexes or bends and through the stress created on the treated item— —The pressure is generated by the driving drying medium driven by the nozzle —and pressed on the nozzle or other parts
However, if the pressure is reduced appropriately, the required drying time is considerably extended

Method used

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  • Device and method for drying a treated product
  • Device and method for drying a treated product
  • Device and method for drying a treated product

Examples

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Embodiment Construction

[0030] figure 1 The structure and interaction of the different parts of the dryer according to the invention are schematically shown. The dryer comprises a housing 6 divided into two parts, compressed air fans 16, 17 arranged in the lower part of the housing 6, which independently supply compressed air to nozzles 4 and 5 called pressure nozzles, The compressed air is used as drying medium in this case. The nozzles 4 and 5 are located in the upper part of the housing 6 . The nozzle 4 is arranged above the conveying path extending from the inlet 7 of the housing 6 towards the outlet 31 , while the nozzle 5 is arranged below the conveying path. In each case, nozzle 4 and nozzle 5 are placed opposite each other with their outlet openings facing each other. Two pairs of nozzles 4, 5 are shown in this embodiment; however, there may be more pairs or only one pair of nozzles.

[0031] Located in the lower part of the housing 6 are regulating means 18 and 19 , for example flappers ...

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PUM

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Abstract

The invention relates to a device and to a corresponding method which is used to dry a treated product (1). Said device comprises transport means (3) which are used to transport the treated product (1) along a conveyor belt. Gas outlet devices (4, 5) which are disposed in an opposite manner are arranged above the conveyor belt. A gaseous drying medium is guided by blowing means to the gas outlets in a separate manner via supply pipes (8, 9). Pressure allocated to a respective gas outlet device (4, 5) is detected and a gas flow associated with the gas outlet device (4, 5) is controlled by control means according to said pressure.

Description

technical field [0001] The present invention relates to a method and apparatus for drying treated items. More specifically, the method and the device according to the invention are used to quickly, gently and uniformly dry, for example, treated plate-shaped objects, which are preferably treated in electroplating or etching plants. Background technique [0002] In many wet chemical, electrolytic or other coating processes, it is necessary to dry the article that has been treated and coated thereon as the final working step of the process. Often used for this purpose are dryers comprising a housing into which the treated items are conveyed continuously and after the drying process they are conveyed out of the housing. Drying is typically performed using a gaseous drying medium such as air. In order to increase the drying effect, the gaseous drying medium is heated, for example by means of a heat exchanger or a heating cartridge, in which case the housing is generally provide...

Claims

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Application Information

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IPC IPC(8): F26B21/10F26B15/12F26B21/00
CPCF26B15/12F26B21/004F26B21/10F26B3/02F26B3/04
Inventor 费迪南德·维纳乌韦·豪夫克劳斯·布雷姆
Owner ATOTECH DEUT GMBH
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