Tea Instant Granules Fluidized Bed Dryer
Introduction
Tea instant granules fluidized bed dryer is a type of equipment specifically used for drying tea granules, especially for the production of instant tea. It works by fluidization, in which hot air passes through a bed of tea particles, making them behave like a fluid. This causes efficient, uniform drying, which makes it ideal for products like instant tea that require precise moisture control and quality preservation. The key piece of equipment to ensure the high quality, high efficiency, and cost-effective production of instant tea is the tea instant granules fluidized bed dryer, which not only satisfies production demands but also preserves the product's exquisite qualities.
Working principle
The tea instant granules fluidized bed dryer operates on the basis of the fluidization principle, which makes the tea granules float and behave like a fluid by passing heated air through them. This procedure guarantees the granules' effective, consistent drying. The following is a detailed breakdown:
1. Getting the Tea Granules Loaded
The dryer's fluidized bed chamber is filled with the tea granules, which have been processed to a particular size.
2. Hot Air Introduced
The drying chamber's bottom is used to blow hot air into the tea granule bed. The air lifts and suspends the grains as it passes through the perforated base, forming an upward stream.
3. Fluidization of Granules
The temperature and flow rate of the hot air are carefully controlled as it passes through the granules, lifting and continuously suspending them, causing them to move freely, much like a fluid, enhancing heat transfer and guaranteeing that all granules are exposed to the drying air.
4. Evaporation of Moisture
The heat from the hot air causes the moisture within the tea granules to evaporate, and the water vapor is then carried away by the air stream. The granules remain in a suspended state while the moisture is effectively removed.
5. Continuous Mixing and Drying
As a result of the upward air flow, the granules are continuously mixed in the fluidized bed, ensuring uniform exposure to the drying conditions. This continuous motion helps to maintain even drying across all granules, preventing uneven moisture content.
6. Exhaust and Separation of Moisture
The moist air carrying the water vapor is expelled from the top of the dryer; in many systems, the air passes through a cyclone separator or other filtration systems to capture any fine tea particles that may be carried with the air.
7. Cooling Process After
The tea granules are dried to the necessary moisture content, they are typically cooled in the bed or using an external cooling system to stop any additional moisture loss or deterioration.
8. Discharge and Packaging
Following drying and cooling, the tea granules are released from the fluidized bed and prepared for packaging. The gentle yet effective drying process ensures that the tea granules retain their quality, flavor, and aroma.
Technical parameters
| Model | 3 | 5 | 15 | 30 | 60 | 120 | 200 | 300 | 500 | |
| Container | Volume(L) | 12 | 22 | 45 | 100 | 220 | 420 | 670 | 1000 | 1500 |
| Diameter(MM) | 300 | 400 | 550 | 700 | 1000 | 1200 | 1400 | 1600 | 1800 | |
| Capability | Min(kg) | 1.5 | 4 | 10 | 15 | 30 | 80 | 100 | 150 | 250 |
| Max(kg) | 4.5 | 6 | 20 | 45 | 90 | 160 | 300 | 450 | 750 | |
| Fan | Capacity | 1000 | 1200 | 1400 | 1800 | 3000 | 4500 | 6000 | 7000 | 8000 |
| Pressure | 375 | 375 | 480 | 480 | 950 | 950 | 950 | 950 | 950 | |
| Power(kw) | 3 | 4 | 5.5 | 7.5 | 11 | 18.5 | 22 | 30 | 45 | |
| Steam expenditure | 15 | 23 | 42 | 70 | 141 | 211 | 282 | 366 | 451 | |
| Comperessed air expenditure(m³/min) | 0.9 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 | 1.1 | 1.5 | 1.5 | |
| Weight of the main body(kg) | 500 | 700 | 900 | 1000 | 1100 | 1500 | 1500 | 1800 | 2000 | |
| Steam pressure(m³/min) | 0.3-0.6 | |||||||||
| Temperature(℃) | Adjustable at the range from room temperature to 120℃ | |||||||||
| Working time(min) | Decided in accordance with the properties of raw materials | |||||||||
| Material yield | ≥99 | |||||||||
| Noise | Wheninstallation,main machine is separated from fan | |||||||||
| External dimensions of main engine | 1.0*0.6*2.1 | 1.2*0.7*2.3 | 1.25*0.9*2.5 | 1.6*1.1*2.5 | 1.85*1.4*3 | 2.2*1.65*3.3 | 2.34*1.65*3.3 | 2.8*2.1*4.0 | 3*2.25*4.4 | |
FAQ
1. Q:What are the benefits of using the tea instant granules fluidized bed dryer to process tea particles?
A: Using the fluidized bed dryer to process tea particles can achieve uniform drying, fast drying speed, high quality, and high efficiency.
2. Q: What are the main components of a fluidized bed dryer?
A: The main components of tea instant granules fluidized bed dryer are the drying chamber, air distribution plate, hot air blower or heater, cyclone separator, exhaust fan, and control panel, etc.
3. Q: How is temperature controlled during the drying process?
A: The drying temperature is typically adjustable, and precise control is achieved through the temperature control system on the dryer's control panel.It's important to maintain an optimal temperature to avoid damaging the delicate tea flavors and essential oils.
The air temperature can range from 50°C to 120°C depending on the type of tea being processed.
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