Page 9 of Pressure Vessel News

Why the Heat Exchanger Resistance Will Exceed the Allowable Value?

Why the Heat Exchanger Resistance Will Exceed the Allowable Value?

  • Apr 14, 2021
  • Hits: 33

What is the reason that the heat exchanger resistance will exceed the allowable value? (1)Filter failure (2)Scaling inside and outside of casing and pipe   How to deal with the problem that the heat...

read more


Why Is There Poor Heat Transfer of the Heat Exchanger?

Why Is There Poor Heat Transfer of the Heat Exchanger?

  • Apr 14, 2021
  • Hits: 37

What is the reason for the poor heat transfer of the heat exchanger? (1)Heat exchange tube scaling (2)Poor water quality, oil pollution and many microorganisms (3)Clapboard short circuit How to deal with...

read more


What Is the Cause of Seal Leakage at the Flange of the Heat Exchanger?

What Is the Cause of Seal Leakage at the Flange of the Heat Exchanger?

  • Mar 25, 2021
  • Hits: 41

What is the cause of seal leakage at the flange of the heat exchanger? (1)Gaskets are under pressure, corrosion, deterioration. (2)Bolts are weak, loose or corroded. (3)Flanges lack of rigidity with sealing...

read more


What Is the Cause of the Inner-leakage?

What Is the Cause of the Inner-leakage?

  • Mar 17, 2021
  • Hits: 34

What is the cause of the inner-leakage between the two media in the heat exchanger? (1)Perforation and cracking of heat exchange tubes due to corrosion (2)The expansion mouth...

read more


What Are the Common Faults and Treatment of Heat Exchangers?

What Are the Common Faults and Treatment of Heat Exchangers?

  • Mar 13, 2021
  • Hits: 68

The common faults and treatment of heat exchangers are shown in Table 2-2.   No. Fault  Cause Solution 1 Two kinds of media mingling together (internal leakage) Corrosion perforation and...

read more


What Are the Common Methods to Enhance Heat Transfer by Heat Exchange Equipment?

What Are the Common Methods to Enhance Heat Transfer by Heat Exchange Equipment?

  • Mar 01, 2021
  • Hits: 51

What are the common methods to enhance heat transfer by heat exchange equipment? The main methods to enhance heat transfer of heat exchange equipment are: first, to adopt the structure of increasing...

read more


Why Do We Need to Repair and Maintain the Heat Exchanger?

Why Do We Need to Repair and Maintain the Heat Exchanger?

  • Feb 21, 2021
  • Hits: 39

Why do we need to repair and maintain the heat exchanger? In oil refining and chemical production, some of the media passing through the heat exchanger contain coke and other deposits, and some are...

read more


Cleaning Method of Heat Exchangers

Cleaning Method of Heat Exchangers

  • Feb 21, 2021
  • Hits: 36

What are the maintenance standards for heat exchangers? (1) In the operation of core-pulling, core-loading, transportation and hoisting of heat exchanger bundle, the exposed wire rope shall...

read more


What Does the Daily Maintenance of Heat Exchangers Include?

What Does the Daily Maintenance of Heat Exchangers Include?

  • Feb 07, 2021
  • Hits: 15

The operation cycle of the heat exchanger should be consistent with the production cycle of the production device. In order to ensure the normal operation of the heat exchange equipment and meet the requirements...

read more