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0533-8053583

Zibo Taylor Heat Exchange Equipment Co., Ltd.


Telephone: 0533-8053583


Address: Boshan District, Zibo City, Shandong Province


Contact: Gao Qing


Mobile phone: 13409069825


Fax: 0533-8053583


E-mail: tlgaoqing@163.com




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Correct maintenance of plate heat exchanger

2019-01-14 Source: Author: Anonymous read: 【Print this page】

As we all know, no matter what mechanical equipment will inevitably have problems after use, this requires us to repair, and plate heat exchangers are no exception. I will introduce the correct method of plate heat exchanger maintenance for everyone, let's take a look.
Before disassembly, the medium inlet valve should be closed, and the high-pressure side valve should be closed first, and then the outlet valve should be closed, and the heat exchanger should be slowly cooled to 40 C before being discharged. Then the connected pipes are removed and the whole can be lifted off.
After the system gas, pressure, temperature and other parameters meet the maintenance requirements, they can enter the site construction. Remove the tube first, and then loosen the fixing bolts in the diagonal direction. During the disassembly process, the width of the movable platen should not exceed 10mm, and the vertical deviation should not exceed 25mm. The movable platen should always be moved in a parallel state. When removing the plate, tilt the plate 15 -20 to one side and lift it upwards to remove it. Do not remove it forcibly to prevent the upper positioning groove from deforming or damaging. Then follow the installation order of the pieces. .
When inspecting the heat exchanger plate, the plate should be free of cracks, scratches, deformations, and other defects. The uneven thickness deviation should not exceed 5 percent. The periphery of the plate should be smooth and flat. The shape of the sealing groove should meet the requirements of the drawing and its depth. The allowable deviation is 0.1mm, and the sealing surface is not allowed to have defects such as bumps, wrinkles, twists, and scratches that affect the sealing performance. The allowable deviation of the plate corrugation depth is 0.2mm, and its unevenness must not be greater than 1 percent. For perforated plates, hydrogen arc welding can be used to repair and smooth them.
The above is the content of the plate heat exchanger introduced for everyone, I hope to bring you some help.
Zibo Taylor Heat Exchange Equipment Co., Ltd.
Contact: Gao Qing Phone: 0533-8053583
Address: Boshan District, Zibo City, Shandong Province Mobile: 13409069825
Email: tlgaoqing@163.com Postcode: 255000

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