Green Tea Powder Freeze Dryer
Introduction
The Green Tea Powder Freeze Dryer is a specialized lyophilization system designed to preserve the natural color, aroma, nutrients, and functional components of green tea by removing moisture at low temperatures under vacuum. Unlike traditional hot-air drying, freeze drying ensures maximum retention of catechins, chlorophyll, amino acids, and volatile aromatic compounds-making it the ideal technology for producing premium-grade green tea powder, matcha, and tea extracts.
During the freeze-drying process, green tea leaves or coarse powder are rapidly frozen to –30°C to –50°C. Under high vacuum conditions, the ice inside the tea sublimates directly into vapor, preventing oxidation and thermal damage. This gentle drying method maintains the product's bright green appearance, fresh taste, and high antioxidant activity. The final moisture content is typically as low as 1–4%, ensuring excellent stability and long shelf life.
Characteristics:
A Green Tea Powder Freeze Dryer preserves the tea's natural bright green color, fresh aroma, and high nutritional value by drying at ultra-low temperatures under vacuum. This process minimizes oxidation, protects catechins and antioxidants, and keeps volatile flavors intact. Freeze-dried tea has extremely low moisture, excellent stability, and a light porous structure that makes it easy to mill into ultra-fine powder with superior solubility. The system is hygienic, energy-efficient, and highly automated, delivering premium-quality green tea powder ideal for beverages, foods, and nutraceutical applications.
Technical parameters
| Model | FDG-20 | FDG-30 | FDG-50 | FDG-100 | FDG-150 | FDG-200 |
| Charge amount(kg/batch) | 200 | 300 | 500 | 1000 | 1500 | 2000 |
| Lamellar area(㎡) | 21.5 | 30 | 52 | 102 | 152 | 201 |
| Sheet size(mm) | 2250*600 | 3300*600 | 3300*600 | 6000*600 | 10000*600 | 9900*600 |
| Number of layers(layer) | 8+1 | 8+1 | 13+1 | 15+1 | 13+1 | 17+1 |
| Number of sheets(block) | 18 | 18 | 28 | 36 | 28 | 36 |
| Spacer spacing(mm) | 80 | |||||
| Plate operating temperature(℃) | Room temperature~+120 | |||||
| Diaphragm temperature difference(℃) | ±1 | |||||
| Minimum temperature of water trap(℃) | -65±5 | |||||
| Maximum water capture(kg) | 300 | 450 | 750 | 1500 | 2200 | 3000 |
| Limiting vacuum(Pa) | 5 | |||||
| Installed power(kw) | 65 | 101 | 168 | 232 | 287 | 384 |
| Overall size(mm) | Unit split connection, according to the actual design drawings shall prevail | |||||
| Weight(kg) | 8000 | 10000 | 12500 | 20000 | 40000 | 50000 |
About Us
With thirty years of expertise and advanced technology, Fangyuan Machinery has established itself as a reliable manufacturer of machinery and equipment. In addition to its exceptional quality, our equipment has undergone rigorous testing and quality control, allowing it to satisfy clients' equipment needs.
Customers have given our company's products great reviews and recognition, and they have been shipped to numerous nations in Europe, Southeast Asia, Africa, and other places. Furthermore, our business is situated in a transit hub, making it easy for clients to get to us and learn more about our offerings without difficulty.
We have been adhering to the "quality first, customer first" business purpose, and continue to develop and grow. We believe that as long as we always adhere to this concept, and constantly optimize and improve our products and services, we will be able to better meet the needs of customers and win the recognition and trust of the market.
Therefore, we warmly welcome all customers to visit our company, where you will be able to personally understand the excellent quality of our equipment and services, but also to bring you a better choice and experience. We look forward to your arrival!
Exhibition
We Fangyuan Machinery has been actively participating in various exhibitions at home and abroad to show our company's latest products and technological achievements. During the exhibition, we had extensive exchanges with customers and peers from all over the world, and obtained many cooperation opportunities.
We treat every exhibition as a rare opportunity, carefully prepare, display the most distinctive products and technologies on the booth, and provide efficient and quality services. Our staff is motivated and enthusiastic to introduce our products and technologies to our customers, so that they can have a deeper understanding of our company and products.
By participating in these exhibitions, we continuously improve our market performance and competitiveness, consolidating our leading position in the industry. At the same time, we also understand the latest trends and product development trends of other companies, which provides an important reference for our company to formulate a more scientific and reasonable development strategy.
In short, we Fangyuan machinery will always actively participate in various exhibitions, constantly improve our brand image and market competitiveness, and bring higher quality products and services for customers and peers.
FAQ
1. Q: What is a Green Tea Powder Freeze Dryer for green tea powder used for?
A: The Green Tea Powder Freeze Dryer removes moisture from green tea by freezing it and then sublimating ice directly into vapor under vacuum. This preserves color, aroma, nutrients, and fine tea flavor better than hot-air drying.
2. Q: What is the final moisture content of freeze-dried green tea powder?
A: Typically 1–4%, depending on customer requirements and cycle parameters.
3. Q: What particle size is suitable before freeze drying?
A: Usually whole leaves, broken leaves, or coarse powder. Ultra-fine matcha (micron scale) is usually milled after freeze drying to avoid lumping.
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