ZLPG Series Spray Dryer For Chinese Raditonpnal Medicine Extract

ZLPG Series Spray Dryer For Chinese Raditonpnal Medicine Extract

Product Description

The High-Speed ​​Centrifugal Spray Drying System for Traditional Chinese Medicine (TCM) Extracts represents an application of centrifugal spray drying technology tailored to the drying of specific materials. It utilizes a high-speed centrifugal atomizer to disperse the material into a fine mist, facilitating thorough contact with hot air to achieve instantaneous drying and produce a powdered finished product. This specialized dryer for TCM extracts is specifically designed to address the unique challenges involved in the spray drying of traditional Chinese medicinal concentrates and plant extracts.

Working Principle

The High-Speed ​​Centrifugal Spray Drying System for Traditional Chinese Medicine Extracts represents the application of centrifugal spray drying technology specifically tailored for the drying of particular materials. It is a drying apparatus that utilizes a high-speed centrifugal atomizer to disperse the material into a fine mist, ensuring thorough contact with hot air to achieve instantaneous drying and produce a powdered finished product.

Performance Features

◎  The tower body is equipped with a cold-air jacket;
◎  An automatic mechanical shaking device is installed on the tower body;
◎  The tower body and piping are fitted with quick-opening cleaning ports and drain ports;
◎  Can be equipped with an automatically controlled, constant-temperature feed tank;
◎  Can be supplied with manual high-pressure tower-washing accessories;
◎  All parts in contact with the material are constructed from stainless steel (or the entire unit can be manufactured from stainless steel);
◎  Material collection is achieved via a two-stage cyclone separation system, or a combination of a single-stage cyclone separator and a wet scrubber;
◎  Inlet air temperature features automatic control and continuous adjustment capabilities;
◎  Can be equipped with an air-sweeping device.

Technical Specifications

FAQ: ZLPG Series Spray Dryer for TCM Extract

Q1: What is the main difference between the ZLPG series and standard LPG spray dryers?
A: Standard spray dryers often struggle with wall sticking, moisture absorption, and material softening when processing Traditional Chinese Medicine (TCM). The ZLPG series is specifically engineered for TCM with:

Cold-Air Jacket: Prevents heat-sensitive materials from softening and charring on the tower wall.

Air Sweeping Device: Automatically clears accumulated powder from the inner surfaces.

Optimized Recovery: Designed for the fine, hygroscopic nature of TCM powders to ensure higher yields.

Q2: How does the system prevent "wall sticking" during the drying process?
A: We utilize a multi-layered approach to solve this common industry challenge:

Jacketed Cooling: A cold-air circulation system keeps the tower wall temperature below the softening point of the extract.

Pneumatic Hammers: Automatic mechanical shaking devices are installed on the tower to dislodge any powder adhering to the surface.

Mirror Polishing: The inner walls are polished to a mirror finish to minimize material friction and adhesion.

Q3: What are the requirements for the solids content of the liquid feed?
A: For optimal performance, the solids content of the wet material should ideally be between 18% and 25%. While the system can handle variations, extremely high viscosity may affect atomization quality, while very low solids content reduces overall production efficiency.

Q4: What is the typical moisture content of the finished powder?
A: Under standard operating conditions, the moisture content of the finished product is maintained between 3% and 5%. This can be fine-tuned by adjusting the inlet/outlet air temperatures and the feed rate.

Q5: Is the equipment easy to clean and maintain?
A: Yes. The ZLPG series is designed to meet strict GMP standards:

Quick-Open Ports: The tower and piping feature quick-opening cleaning and drain ports for easy access.

Stainless Steel Construction: All contact parts are made of high-grade stainless steel (SUS304 or SUS316L), ensuring corrosion resistance and easy sanitation.

CIP Compatibility: The design supports Clean-In-Place processes to ensure zero cross-contamination between batches.

Q6: What heating sources are available for this system?
A: We offer flexible heating configurations based on your facility's infrastructure:

Steam + Electricity: The most common configuration, using steam for pre-heating and electric boosters for precise temperature control.

Electric Heating: Ideal for smaller units or facilities without a steam supply.

Gas-Fired Hot Air Furnace: Suitable for large-scale production in regions with cost-effective natural gas.

Q7: How does the system achieve a collection efficiency of ≥95%?
A: To maximize yield, we use a two-stage cyclone separation system. For ultra-fine powders, we can also equip the unit with a pulse bag filter or a wet scrubber to capture residual particles, ensuring minimal product loss.

Q8: Can the temperature be adjusted for highly heat-sensitive materials?
A: Absolutely. The system features automatic temperature control and continuous adjustment. The inlet air (typically 150–200°C) and outlet air (80–100°C) are monitored via high-precision sensors and interlocked with the feed pump to ensure the active ingredients are never compromised by over-heating.

Need a Custom Solution?
If your extract has unique properties or specific moisture requirements, our engineering team can provide a tailored technical proposal.