Save 460000 yuan in annual electricity costs, further advancing green manufacturing!
From manufacturing to smart manufacturing! Saving 460,000 yuan in electricity annually, green manufacturing takes another step forward!
A technology factory in Changsha, Hunan, has completed a major upgrade in its compressed air drying process by successfully adopting the Hangzhou Shanli Zero-Air-Consumption Thermal Dryer, fully replacing the original micro-heat desiccant system. This transformation precisely aligns with the national "dual carbon" goals, achieving significant energy savings and cost reduction while simultaneously enhancing production efficiency and quality.
Previously, the factory's compressed air drying process used a combination configuration of two 50m ³ screw machines and suction dryers. This solution had significant energy consumption pain points: the system air loss rate was as high as 10%, the power consumption of the air compressor was calculated at 315kW, and combined with the energy consumption of the micro heat suction dryer's own heater, the total annual power consumption of a single device (running for 8000 hours) reached 306000 kWh, and the total annual power consumption of two devices even climbed to 700000 kWh, highlighting the problem of energy waste. In order to actively respond to the national "dual carbon" strategic goals, promote energy conservation and consumption reduction, and improve production efficiency, the enterprise has been gradually promoting the comprehensive energy-saving replacement of domestic factory air compressors and post-treatment equipment since last year. The Changsha factory renovation project, after multiple rounds of scheme comparison, the combination scheme of "water lubricated air compressor+zero gas consumption compression heat dryer" proposed by GDK and Hangzhou Shanli stood out in various comparisons due to its outstanding energy-saving advantages and adaptability. In the end, both parties worked together to complete the project landing.
Zero air purge type compression heat regeneration adsorption compressed air dryer

On site renovation


Compared to traditional micro heat suction dryers, the core advantage of Hangzhou Shanli zero gas consumption compression heat dryer lies in the innovative use of compressor waste heat to replace traditional heaters, achieving a dual breakthrough of "zero gas loss+no additional heating energy consumption". The specific upgrade value is as follows:
Efficient and energy-saving, significant cost reduction:
Compared to the original micro heat suction dryer, the zero gas consumption compression heat dryer has no gas loss and no additional heater energy consumption. Calculated based on an annual operation of 8000 hours, the annual energy consumption of a single device is only 80000 kWh (calculated as 50m ³/h (cooling water) × 0.2kW/(m ³/h) × 8000h=80000 kWh per device). The total annual power consumption of the two devices is 160000 kWh, which is about 78% lower than before the renovation; Calculated at an electricity cost of 0.6 yuan/kWh, the annual electricity cost savings are approximately 460000 yuan.
Stable and reliable, ensuring production:
It can accurately match the continuous gas demand of the factory production line, effectively reduce the risk of equipment downtime, and provide a solid guarantee for production continuity.
Production efficiency improvement:
As a leading global manufacturer of consumer electronic glass cover panels, the company has extremely high requirements for compressed air quality (dew point, cleanliness); After the transformation, the dew point of the dry air can be stably controlled below -40 ℃, which can fully guarantee the quality of its products and fully comply with the strict quality standards of the enterprise.
Energy saving
cost reduction
stability
This cooperation has significantly reduced energy consumption and improved production stability for the enterprise. It not only confirms the high adaptability of Hangzhou Shanli's zero gas consumption compression heat technology to the energy-saving needs of high-end manufacturing, but also successfully creates a benchmark case for the green transformation of high-end manufacturing, providing a high-quality model for energy-saving transformation in the industry.
If your company also faces the problem of high energy consumption, please feel free to contact us for customized energy-saving solutions. We look forward to working with you!




