What Is the Inspection Range of Heat Exchangers?
- Aug 19, 2021
- Hits: 48
With inspection at different stages of the manufacturing process, the inspector examines the work and documents the inspection results. The inspection range of heat exchangers is listed below: (1) Identification...
Why Testing the Water Pressure after Overhauling the Heat Exchanger?
- Aug 05, 2021
- Hits: 207
The purpose of the pressure test after maintenance is to check whether the heat exchanger has the ability to withstand the design pressure safely (i.e. the compressive strength), the tightness, the quality...
How to Stipulate the Maintenance Cycle of Shell and Tube Heat Exchangers?
- Jul 05, 2021
- Hits: 117
How to stipulate the maintenance cycle of shell and tube heat exchangers? According to the requirements of "Pressure Vessel Safety Technical Supervision Regulations", combined with the production...
What Are the Causes of the Internal Leakage of the Tubular Heat Exchanger?
- Jun 16, 2021
- Hits: 257
What are the causes of the internal leakage of the tubular heat exchanger? The internal leakage of the heat exchanger may have the following reasons: (1) The heat exchange tube is corroded, perforated,...
How to Repair Leaking Heat Exchange Tubes?
- Jun 01, 2021
- Hits: 113
What are the leaking situations of the heat exchanger? The heat exchanger leaks due to cracks and perforations caused by fluid medium corrosion, wear, scouring, assembly strain, defects in the tube itself,...
What Are the Main Reasons for the Failure of the Plate Heat Exchanger?
- May 17, 2021
- Hits: 50
What combined load may make the fixed tube sheet heat exchanger fail to meet the strength conditions, and use other forms of heat exchangers (such as U-shaped tube type)? Under the combined action...
How to maintain the tube sheet gasket?
- May 07, 2021
- Hits: 63
How to maintain the tube sheet gasket? Under normal circumstances, horizontal placement can prevent deformation or damage. Why do the gaskets on both sides of the tube plate have to be of the same material?...
How Does the Bolt Fastening of Heat Exchangers Perform Correctly?
- Apr 22, 2021
- Hits: 56
How do the bolt fastening sequence of heat exchanger tube boxes and tube plates perform correctly? Generally, diagonal bearing and cross-bearing are adopted for fastening, and a torque wrench is used...
What Are the Causes of Severe Heat Exchanger Vibration?
- Apr 22, 2021
- Hits: 31
What are the causes of severe heat exchanger vibration? （1）Resonance caused by medium frequency （2）Resonance caused by external pipe vibration How to deal with severe vibration of heat exchangers? （1）Changing...
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