On August 10th, a good news came from Zhongyuan Oilfield Engineering Construction Corporation: The company developed a special drying technology for non-thermal regenerative long-distance pipelines in West-East Gas Pipeline, Sinopec Sichuan-East Gas Pipeline Project and other large-diameter natural gas pipelines at home and abroad. The successful use of dry construction fills the gap in the domestic dry-pipeline dedicated drying technology and reaches the domestic advanced level.
Long-distance natural gas pipelines play a very important role in the development and utilization of natural gas. In recent years, the importance of pipeline drying construction has increasingly attracted the attention of construction parties, construction parties, and operators of long-distance pipelines. The main reason for the internal corrosion of the pipeline is caused by the liquid water and water vapor in the pipeline, and the pipeline drying construction can directly solve such problems. At present, domestic pipeline drying uses compressed air clean technology, and lacks dedicated drying technology for long-distance pipelines. China National Engineering Construction Corporation gave full play to the core technical advantages of long-distance pipeline construction. In response to the demand for equipment for drying construction of long-distance transmission pipelines in different regions and categories, 10 scientific research personnel were organized to establish a gas pipeline drying technology research group.
Scientific and technological research team members conducted in-depth market research to understand the advanced technology of current domestic and foreign counterparts. After extensive technical analysis, data collection, and engineering data measurement, through repeated dedication and demonstration, the technical route for drying without heat regeneration was established. A combination of alumina and active molecular sieves was used as a desiccant. During the implementation of the project, they overcame the technology in the design of desiccators such as desiccant proportioning, instant vent regeneration process design, and in the design of fully automated integrated control systems such as air coolers, filters, etc. problem. This solution effectively satisfies the characteristics of the large amount of pipeline dryer processing and the dew point of the finished product controlled below minus 40 degrees Celsius.
After the performance test and acceptance, the non-thermal regeneration dryer can meet the needs of the long-distance pipeline drying construction regardless of the dew point of dry air, equipment process, dry air discharge, equipment volume, and automatic control system. The earth has reduced the risk in construction and is of great significance to the dry construction of the project. At present, the company has applied this new core technology for national patents.
Long-distance natural gas pipelines play a very important role in the development and utilization of natural gas. In recent years, the importance of pipeline drying construction has increasingly attracted the attention of construction parties, construction parties, and operators of long-distance pipelines. The main reason for the internal corrosion of the pipeline is caused by the liquid water and water vapor in the pipeline, and the pipeline drying construction can directly solve such problems. At present, domestic pipeline drying uses compressed air clean technology, and lacks dedicated drying technology for long-distance pipelines. China National Engineering Construction Corporation gave full play to the core technical advantages of long-distance pipeline construction. In response to the demand for equipment for drying construction of long-distance transmission pipelines in different regions and categories, 10 scientific research personnel were organized to establish a gas pipeline drying technology research group.
Scientific and technological research team members conducted in-depth market research to understand the advanced technology of current domestic and foreign counterparts. After extensive technical analysis, data collection, and engineering data measurement, through repeated dedication and demonstration, the technical route for drying without heat regeneration was established. A combination of alumina and active molecular sieves was used as a desiccant. During the implementation of the project, they overcame the technology in the design of desiccators such as desiccant proportioning, instant vent regeneration process design, and in the design of fully automated integrated control systems such as air coolers, filters, etc. problem. This solution effectively satisfies the characteristics of the large amount of pipeline dryer processing and the dew point of the finished product controlled below minus 40 degrees Celsius.
After the performance test and acceptance, the non-thermal regeneration dryer can meet the needs of the long-distance pipeline drying construction regardless of the dew point of dry air, equipment process, dry air discharge, equipment volume, and automatic control system. The earth has reduced the risk in construction and is of great significance to the dry construction of the project. At present, the company has applied this new core technology for national patents.
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