Industrial News
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Non-Destructive Testing in Pressure Vessel Production (Part Three)

Non-Destructive Testing in Pressure Vessel Production (Part Three)

Non-Destructive Testing in Pressure Vessel Applications   Non-destructive testing (NDT) is a crucial aspect of evaluating pressure vessels, offering numerous advantages. However, it is essential to acknowledge the limitations of NDT and the necessity of combining it with destructive testing methods for a comprehensive assessment.   Integration of Destructive and Non-Destructive Testing   In the evaluation of pressure vessel equipment, it is imperative to compare and verify non-destructive...

Feb 15, 2019 Industrial News
Non-Destructive Testing in Pressure Vessel Production (Part Two)

Non-Destructive Testing in Pressure Vessel Production (Part Two)

4. Penetration Testing for Pressure Vessels   Process Unveiled: Initiates by coating the component surface with a penetrant containing fluorescent or coloring dye, allowing capillary action to facilitate penetration into surface defects. After removal of excess penetrant, an imaging agent is applied to attract retained penetrant in defects. Under a specific light source, the trace of penetrant at defects is displayed, unveiling defect appearance and distribution.   Its Major Characteristics...

Feb 14, 2019 Industrial News
Non-Destructive Testing in Pressure Vessel Production (Part One)

Non-Destructive Testing in Pressure Vessel Production (Part One)

In the contemporary era marked by technological strides, the evolving landscape of industry places heightened emphasis on product safety, quality assurance, and optimal performance. Within this paradigm, the utilization of non-destructive testing (NDT) technology emerges as a cornerstone, wielded strategically in both the manufacturing and deployment phases of pressure vessel products. In the following paragraphs, the common Non-Destructive methods for Pressure Vessel will be discussed.   Common...

Feb 13, 2019 Industrial News
Selection of Pressure Vessel Welding Materials for Varied Conditions (Part Two)

Selection of Pressure Vessel Welding Materials for Varied Conditions (Part Two)

  Navigate challenges in sub-zero operations with low-temperature alloys. Ensure welding quality in diverse applications, from base and acid welding rods to austenitic stainless steel. Explore low-alloy high-strength steel and carbon steel for versatile load-bearing solutions. Understand low-alloy heat-resistant steel's oxidation resistance. Technicians play a crucial role in upholding welding quality for pressure vessel safety and service life. In the following parts, there will be discussing...

Feb 12, 2019 Industrial News
Selection of Pressure Vessel Welding Materials for Varied Conditions (Part One)

Selection of Pressure Vessel Welding Materials for Varied Conditions (Part One)

Pressure vessels play a crucial role in diverse applications, necessitating intricate manufacturing processes. Ensuring the quality of pressure vessels requires a meticulous focus on various aspects, with welding standing out as a key process susceptible to safety hazards. 1. Importance of Welding in Pressure Vessel Manufacturing   Welding holds a pivotal role in the fabrication of pressure vessels, but it comes with inherent safety challenges. Strategic measures are essential during the operation...

Jan 21, 2019 Industrial News
Guarding Against Corrosion: Strategies for Pressure Vessel Integrity (Part Two)

Guarding Against Corrosion: Strategies for Pressure Vessel Integrity (Part Two)

In the realm of pressure vessel maintenance, the quest for structural integrity requires a nuanced strategy for comprehensive corrosion prevention. Let's delve into detailed considerations and innovative methods aimed at ensuring prolonged service life and unwavering performance of the pressure vessels. 1. Selecting the Right Corrosion Inhibitor   Precision in applying corrosion inhibitors to the metal surface significantly enhances corrosion resistance and reduces corrosion rates. Corrosion...

Jan 10, 2019 Industrial News
Guarding Against Corrosion: Strategies for Pressure Vessel Integrity (Part One)

Guarding Against Corrosion: Strategies for Pressure Vessel Integrity (Part One)

A pressure vessel, meticulously engineered to contain liquids or gases under heightened pressure, is prone to an array of malfunctions, ranging from corrosion and cracking to erosion, deterioration, and alteration. The consequences of neglecting these issues are grave, potentially leading to damage, shortened service life, and, in extreme cases, safety accidents. Thus, a nuanced comprehension of these challenges is essential, coupled with the implementation of specific operational and scientific...

Jan 07, 2019 Industrial News
Optimizing Plate Heat Exchanger Transfer Efficiency (Part Two)

Optimizing Plate Heat Exchanger Transfer Efficiency (Part Two)

1. Improving Heat Transfer: Finding the Right Balance   Enhancing the average flow rate within the flow channel has the potential to augment the heat transfer coefficient and diminish the heat exchanger area. Nevertheless, this comes with trade-offs such as increased heat exchanger resistance, elevated power consumption by the circulating pump, and heightened equipment costs. Given that the power consumption of the circulation pump is proportional to the third power of the medium flow rate,...

Jan 02, 2019 Industrial News
Optimizing Plate Heat Exchanger Transfer Efficiency (Part One)

Optimizing Plate Heat Exchanger Transfer Efficiency (Part One)

In recent years, plate heat exchangers have evolved into a mature technology with high heat transfer efficiency, compact design, lightweight construction, low temperature resistance coefficients, and convenient disassembly. This versatile heat exchanger type finds extensive use in the heating industry, offering various assembly methods such as detachable, welded, brazed, and plate-and-shell configurations. Detachable plate heat exchangers, known for easy disassembly, cleaning, and flexible area...

Dec 27, 2018 Industrial News
Corrosion Resistance in Air Cooled Heat Exchanger: Testing and Prevention

Corrosion Resistance in Air Cooled Heat Exchanger: Testing and Prevention

Corrosion rate testing plays a pivotal role in assessing the corrosion resistance of metals, offering valuable insights into changes in weight, structure, shape, surface state, and mechanical properties. In the context of air cooled heat exchanger tube bundles, three common corrosion rate tests—electrical resistance, weight loss, and linear polarization methods—provide essential data for understanding and managing corrosion of air cooled heat exchanger. 1. Corrosion Rate Test  ...

Dec 06, 2018 Industrial News
Corrosion Protection for Air Cooled Heat Exchangers (Part Two)

Corrosion Protection for Air Cooled Heat Exchangers (Part Two)

3. Erosion Corrosion   Erosion corrosion, encompassing erosion and wear corrosion, results from the high-speed relative motion between a metal surface and a fluid medium. The eroded metal surface appears bright, typically taking the form of grooves, valleys, or teardrops, devoid of corrosive deposits. Unlike corrosion under other stresses, factors influencing erosion corrosion are multifaceted. In addition to the chemical composition, microstructure, mechanical properties, surface roughness,...

Dec 04, 2018 Industrial News
Corrosion Protection for Air Cooled Heat Exchangers (Part One)

Corrosion Protection for Air Cooled Heat Exchangers (Part One)

Air cooled heat exchangers, pivotal equipment in the petrochemical industry for heat exchange processes, face challenges in their tube bundles due to harsh conditions involving high temperatures, pressures, and corrosive environments. The corrosion performance of these tube bundles directly influences the safety and stability of equipment operation. This article meticulously analyzes common corrosion types affecting tube bundles and proposes protective measures aimed at enhancing the lifespan of...

Dec 04, 2018 Industrial News
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