Blower purge desiccant dryers are designed to efficiently dry compressed air while conserving energy. These devices utilize ambient air blower regeneration, which significantly reduces the amount of product air needed for traditional process regeneration. By rearranging the original content, we can emphasize the benefits of this type of dryer in terms of energy savings and reducing air usage in the regeneration process.
The blast regeneration adsorption dryer operates on the same basic principle as traditional adsorption processes. However, its standout feature lies in its unique regeneration method, which involves a blast regeneration process. This process consists of several steps, including heating, blowing, and cooling.
During the heating phase, the regeneration gas is sourced from the surrounding air and is propelled by a blower. The gas is then heated to the regeneration temperature by a heater, transforming it into the ideal regeneration gas for desorbing the adsorber bed. Throughout the regeneration operation, the heated regeneration gas works to heat and decompose the adsorption bed. As a result, any trapped water vapor is separated from the bed and carried away by the regeneration gas, effectively removing it from the adsorber.
To achieve regeneration cooling, one option is to utilize dry air from another source. This air can be depressurized to create the necessary regeneration cooling gas. Alternatively, air circulation can be employed for cooling and separation purposes, serving as the regeneration cooling gas. By implementing blowing and cooling of the bed, the requirements for the subsequent adsorption stage are met, and any potential instability in the outlet dew point caused by varying bed temperatures is avoided.
To summarize, the blast regeneration adsorption dryer follows a similar principle to traditional adsorption processes, but distinguishes itself through a blast regeneration method. This method involves heating and blowing during regeneration, and subsequent cooling to prepare the adsorber bed for the next adsorption cycle. By efficiently removing moisture and stabilizing the outlet dew point, this dryer offers a reliable and effective solution for moisture control.
Product features:
The overall performance of the entire machine is commendable as it adopts the 4-hour long-cycle switching method. I have rearranged the content to ensure its similarity to the original text while using a different approach to generate the speech, avoiding the style of conversation based on ChapGPT.
The complete regeneration process enables the adsorbent to be fully reused, providing a large dynamic adsorption capacity for the adsorbent and making the equipment highly cost-effective. Therefore, it's a highly efficient and economical method for regenerating adsorbents.
The use of ambient air in regenerative heating provides an energy-saving advantage. This is because the system utilizes the natural air around it to produce the necessary heat, which reduces the amount of energy required. Therefore, this technology is an eco-friendly option for heating applications, as it helps to reduce energy consumption and lower carbon emissions.
The safety and reliability of the device are significantly enhanced by incorporating multiple interlocking protections and alarms.
One can be assured of the quality of compressed air gas due to the outlet dew point being consistently stable. This factor results in reliable and dependable compressed air gas that meets the necessary standards.
Upon completion of integration, the entire machinery undergoes factory testing before leaving.
Technical parameters:
(1) Air handling capacity: 20-500 Nm³/min
(2) Gas consumption: ≤1-3%
(3) Working cycle: 4-6 h
(4) Intake oil content ≤0.1ppm(w)
(5) Adsorbent: activated alumina
(6) Voltage 380V/3PH/50HZ
The atmospheric pressure dew point for the product gas should be between -30℃ and -60℃. Please note that the generated content should be significantly different from the original text and not follow the style of ChapGPT conversation.
Process flow:
The regeneration of the dryer, also known as desorption or reduction, involves a series of six steps. First, the pressure is relieved, followed by a hot purge, cold purge, pressurization, and standby. An optional step in the process is TSE dew point energy saving control, and finally, the process change is made. By implementing these steps, the dryer can be fully regenerated and ready for use once again.
(1) Description of the pressure relief process:
Before regenerating the adsorption tower, it is essential to release the pressure in the tower to atmospheric pressure. As the pressure is discharged, a distinct sound is heard from the muffler end. This step marks the initiation of the next process.
(2) Description of thermal purging process:
To complete the process of thermal purging, the blower first draws in the surrounding air, which is then heated by the heater before entering the adsorption tower. Following this, the hot air moves through the moist adsorbent bed from the top down along the pipeline, extracting all the moisture from it. The water vapor carrying the moisture is consequently expelled along the pipeline.
(3) Description of thermal purging process:
When the thermal purging process is over, the adsorbent bed is hot and dry and must be cooled before it is ready for the next process. When the cooling process starts, the blower and the heater are stopped, the cold blowing switch valve is opened, and a small part of the product gas, which accounts for about 2% of the system, is used as the cold blowing regeneration gas to gradually reduce the temperature of the adsorbent bed. After the process is over, it will go to the next process.
(4) Description of the cold blowing regeneration process:
The blower operates to inhale the ambient air, and after being heated by the heater, it enters the adsorption tower to complete the thermal purging process. After the incoming air is heated by the heater, the hot air enters the moist adsorbent bed from top to bottom along the direction of the pipeline, removes the moisture, and discharges the water vapor containing moisture along the direction of the pipeline. next process.
(5) Boost-standby process description:
After the cold blowing process is over, the regeneration exhaust valve is closed, the cold blowing regeneration valve is kept open, the pressure is boosted and reaches the operating pressure, and the standby state is entered after this process is completed. The regeneration tower has been boosted and is waiting to be switched.
(6) Description of TSE dew point energy saving control process:
The TSE dew point energy-saving control mode is established after the regeneration of one of the towers is completed, and the online tower still maintains the adsorption state at this time. TSE implements dynamic control by relying on the actual dew point of the outlet, and detects the saturation of the online tower in real time. If the online tower does not reach saturation, its adsorption cycle will be extended, which can ensure a stable drying dew point and save regeneration energy to a greater extent, saving 30% year-on-year. % or more, thanks to its modern technology. The whole process is fully automatic and intelligently controlled by PLC.
Who we are?
Guodi Tech is a wholly-owned subsidiary of Kaihe Group, a well-known domestic manufacturer of pressure swing adsorption oxygen production equipment and low temperature air separation equipment. The company's products have passed CE certification, BV certification, ISO9001 quality management system, ISO13485 medical device quality management system, ISO45001 occupational health and safety management system, ISO14001 environmental management system certification, to ensure the quality and efficiency of our equipment.
Guodi Technology is one of the few domestic manufacturers with the R&D and manufacturing capabilities of all oil-free gas boosters, PSA oxygen generators, nitrogen generators, VPSA oxygen generators, and cryogenic air separation equipment. We are experts in on-site gas generator design. We provide high quality custom solutions and standard industrial solutions for any industry and application. No matter which solution you use, you will always get the highest quality and lowest energy costs.
We have rich experience in foreign trade export, such as India, Nepal, Ethiopia, Georgia, Mexico, Egypt, Peru, South Korea, and look forward to exporting to all countries. Adhering to the enterprise tenet of "integrity, cooperation and win-win". Looking forward to cooperating with you and even long term business.
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