Follow #GEODRYTECH
A Rotary Vacuum Paddle Dryer (RVPD dryer) is an advanced indirect drying system designed to efficiently dry heat-sensitive, moisture-rich and solvent-based materials at low temperatures. Geo Dry Tech is a reliable Rotary Vacuum Paddle Dryer supplier offering high-performance drying solutions with improved product quality, reduced energy consumption and faster processing.
The dryer consists of a horizontal cylindrical vessel with a heated jacket or limpet coil arrangement and a hollow agitator shaft fitted with specially designed paddles. The slow-speed paddle agitator continuously mixes wet cakes, slurries and other materials under vacuum conditions, ensuring uniform heat transfer, effective drying and smooth discharge.
The RVPD system provides external heating through the jacket and internal heating through the hollow shaft and paddles using steam, hot water or thermic fluid. It can also be integrated with a product filter, condenser, receiver and vacuum system for efficient drying operation and solvent recovery.
For difficult materials, optional mechanical choppers, stationary blades and advanced sealing arrangements can be provided to handle sticky products and break lumps during drying. The GMP Rotary Vacuum Paddle Dryer is constructed of high-quality materials‚ precision bearings‚ industrial grade drive systems‚ rotary joints and seals designed for a long life and low maintenance․ These features‚ combined with nitrogen purging systems‚ pre-piped heating connections‚ quick-opening charging doors‚ easy discharge valves and prewired and plumbed control panels‚ make the units safe‚ convenient and reliable in pharmaceutical‚ chemical and industrial applications․
| MODEL | GEOD 500 | GEOD 750 | GEOD 1000 | GEOD 1500 | GEOD 2000 | GEOD 3000 | GEOD 4000 | GEOD 5000 | GEOD 6000 | GEOD 8000 | GEOD 10000 | GEOD 12000 | GEOD 15000 | GEOD 20000 | GEOD 25000 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Volume (Litres) | 500 | 750 | 1000 | 1500 | 2000 | 3000 | 4000 | 5000 | 6000 | 8000 | 10000 | 12000 | 15000 | 20000 | 25000 |
| Working Volume (Litres) | 200 | 300 | 400 | 600 | 800 | 1200 | 1600 | 2000 | 2400 | 3200 | 4000 | 4800 | 6000 | 8000 | 10000 |
| Shell Diameter (mm) | 650 | 725 | 800 | 900 | 1000 | 1100 | 1250 | 1250 | 1550 | 1600 | 1800 | 1950 | 2200 | 2700 | 3000 |
| Shell Length (mm) | 1500 | 2000 | 2000 | 2350 | 2600 | 3200 | 3300 | 3500 | 3750 | 4150 | 4500 | 4650 | 4700 | 6000 | 7100 |
| Main Drive Motor (HP) | 5HP | 5HP | 7.5HP | 7.5HP | 10 | 15 | 20 | 25 | 40 | 50 | 60 | 60 | 75 | 100 | 100 |
The Rotary Vacuum Paddle Dryer has been created for uniform heat distribution across the entire batch. Combined with its hollow paddles, the heated jacket provides consistent heat to every particle and prevents hot spots while ensuring quality and consistent drying results.
The system creates vacuum inside the drying chamber which reduces the boiling point of the moisture and solvents. This allows the temperature of the drying process to be reduced, providing a suitable method for drying heat-sensitive products where the quality and characteristics of the product need to be preserved.
During the drying cycle, the material is gently agitated and dried by the specially engineered hollow paddles, which continuously rotate. This continual action brings fresh product surfaces to heat and enhances heat transfer and uniformity in moisture removal, while simultaneously not causing any harm to the product.
The drying time is considerably reduced by indirect heating, constant agitation and the use of vacuum technology compared to conventional drying processes. This not only increases production efficiency but also helps to lower overall energy usage and operating expenses.
Processes with solvents may be equipped with a condenser/recycler system to recover and condense solvent vapours from the dryer. This has the benefit of making the process more efficient, minimizing material waste, and aiding in environmentally friendly manufacturing processes.
Construction of high quality stainless steel, smooth inner surfaces make it hygienic in operation and easy to clean. It's built to GMP standards, making it ideal for pharmaceutical, API, food and other applications where cleanliness and product purity are critical.
Products that are sticky, filter cakes or pastes, or high in moisture content can be difficult to dry. The Rotary Vacuum Paddle Dryer is equipped with specially designed paddles and scraper blades which provide continuous material movement, thereby preventing build-up on the vessel walls and drying the material in an efficient way during the drying process.
Either steam or hot water or thermal fluid can be used to operate the dryer, according to the application. The product is safely cooled before being discharged from the tank after cooling and circulated through the cooling jacket and hollow shaft without transferring to another tank.
Enclosed vacuum design makes for a safe processing environment for solvent-based, oxygen-sensitive and hazardous materials. When a nitrogen purging system is available, it can be used to create an inert atmosphere when necessary, further improving process safety.
A Rotary Vacuum Paddle Dryer is designed to be strong, quiet and easy to clean and operate for reliable industrial performance. It is simple and straightforward to maintain, which significantly helps to minimize downtime, enhance equipment reliability, and guarantee long-term operational efficiency.
The Rotary Vacuum Paddle Dryer (RVPD) is a versatile and efficient unit and is widely used for the gentle drying of heat-sensitive materials that contain moisture and solvents at low temperature․ The superior vacuum drying technology and controlled heat transfer with slow mixing make the RVPD suitable for various industrial applications․
For drying APIs‚ pharmaceutical intermediates and heat-sensible materials without compromising their purity‚ stability and production quality․
It is typically used for drying catalysts‚ dyes‚ pigments‚ fine chemicals‚ and other specialty chemicals requiring specific temperature and moisture uniformity․
Used for the drying of food additives‚ gelatin‚ nutraceutical ingredients and similar products that require hygienic processing․
It gives consistent results when drying and processing the pesticides‚ herbicides‚ fertilizers and other agrochemicals․
For solvent removal and controlled drying of polymer compounds‚ resins and specialty polymer-based engineered materials․
Used in the processing of cosmetics powders personal care ingredients and other materials that require gentle drying under controlled conditions․
Rotary Vacuum Paddle Dryer is extensively applied for drying wet filter cakes generated in the filtration and centrifugation processes. Uniform moisture removal and no lumping or degradation of the product are achieved by continuous mixing and indirect heating.
The dryer is ideal for drying heat-sensitive APIs under controlled vacuum conditions. The low-temperature drying process will aid in the maintenance of potency, purity, and stability of pharmaceutical compounds, as well as their GMP manufacturing requirement.
It dries pharmaceutical intermediates in a uniform and controlled manner and ensures uniform moisture content prior to sending the material to the next stage of the pharmaceutical process.
This equipment is appropriate for chemicals with high value and have to be dried with precise temperature and gentle processing. It supports maintaining product quality and enhances overall process efficiency.
Rotary Vacuum Paddle Dryer is an effective pesticide, herbicide, fungicide, insecticide and fertilizer intermediate dryer. Moreover, its closed structure helps to safely deal with chemical products.
The dryer provides uniform drying of dyes and pigments which helps to preserve colour strength, particle properties and uniformity of the product needed for the production of high quality products.
The hygienic design and controlled drying process make the dryer ideal for specialty food ingredients, such as food additives, starches, nutraceuticals, protein powders and other specialty food ingredients where moisture removal must be carefully controlled.
The low-temperature vacuum drying process is beneficial for maintaining the natural active ingredients, aroma and medicinal properties of herbal extracts and botanical ingredients.
The dryer is suitable for drying a variety of organic and inorganic chemicals with reliable performance, and can be used for various industrial processing needs.
Safe and efficient drying of solvent containing and temperature sensitive products is possible in the enclosed vacuum system due to the safe solvent recovery. This will minimize product losses, increase process safety and efficiency.
The Rotary Vacuum Paddle Dryer (RVPD) operates under vacuum and low temperature‚ which preserves the physical properties‚ chemical structure‚ colour and quality of the end product and prevents thermal degradation and unwanted changes in the final product․ This makes RVPDs ideally suited to applications in the pharmaceutical‚ chemical and other specialty industries․
This is due to the improved heat transfer provided by the heated jacket‚ the hollow shaft and the special paddle system of the RVPD dryer‚ and the continuous mixing means that the material is consistently in contact with the heated surfaces for the fastest possible drying time․ This reduces drying times and allows manufacturers to process larger batches while maintaining acceptable quality of the product․
The Rotary Vacuum Paddle Dryer is characterized by high energy efficiency․ According to the indirect heating principle and vacuum drying‚ maximum energy use can be obtained from the heating energy supplied and minimize the heat loss․ The low drying temperature‚ high heat transfer and reduction of the drying duration reduce energy and costs․
The RVPD dryer can be used in a variety of processes․ It dries powders‚ granules‚ crystals‚ wet filter cakes‚ slurries and sticky pastes․ The broad applicability of this dryer is because of its design‚ which can be adapted to a number of properties of the material being processed․ This enables its use in the pharmaceutical‚ chemical‚ agrochemical‚ food and polymer industries․
The enclosed nature of the Rotary Vacuum Paddle Dryer means that the drying process can happen in a clean‚ safe‚ and controlled environment‚ preventing contamination from external sources‚ minimizing the generation of dust and product loss‚ and making solvent recovery possible․ This makes the design suitable for solvent-based and heat-sensitive products․
The dryer is strongly built with heavy duty components and mechanical design enabling it to operate in the harsh environments and high rates of use common in industrial settings‚ with accessible components and reliable drive systems to ease cleaning‚ inspection and maintenance․ It also results in less downtime and greater reliability․
The Rotary Vacuum Paddle Dryer also can aid in green manufacturing by recovering solvents and reducing emissions‚ and its enclosed design minimizes the production of solids and pollutants․ With low energy input and controlled processing‚ it is a more sustainable modern-day drying method․
