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ZHG
Jiangsu Jinling Dryer
841939990
SUS304/SUS316L/2205 ETC
Changzhou,Jiangsu,China
CE,ISO 9001: 2008,ISO 10004
Customized
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Product Description
The sludge paddle dryer operates on the principle of indirect heat transfer combined with gentle mechanical agitation. It is specially designed to dry high-moisture, sticky, or paste-like sludge materials using hollow paddles and a jacketed trough as the heat exchange surfaces.
Heating medium (such as steam, hot water, or thermal oil) flows through the hollow paddles and dryer jacket.
Heat is indirectly transferred to the sludge through the metal surfaces, avoiding direct contact with hot air, which reduces dust and emissions.
The rotating hollow shafts with paddles continuously mix and agitate the sludge.
This ensures even exposure to heat and prevents caking or sticking to the inner surfaces.
The applied heat causes the moisture in the sludge to evaporate gradually.
In vacuum systems, the boiling point of water is reduced, speeding up evaporation and improving energy efficiency.
The evaporated water (as vapor) is removed through a vapor outlet and sent to a condenser or scrubber system, depending on the setup.
This maintains low humidity inside the dryer, supporting continuous drying.
The dried sludge is discharged from the bottom outlet, often as a semi-dry or dry powder/cake.
Indirect heat + mechanical mixing → uniform drying with low energy loss and controlled emissions
200 square meter sludge paddle dryer
100 square meter sludge paddle dryer
Lab test using sludge paddle dryer
The sludge paddle dryer consists of several key components, all designed to ensure efficient, uniform, and safe drying of sludge materials. Its structure supports indirect heat transfer, continuous mixing, and effective moisture removal.
A horizontal, jacketed trough made of carbon steel or stainless steel.
The outer jacket circulates the heating medium (steam, thermal oil, or hot water) to provide indirect heat.
One or two hollow shafts run through the dryer and are fitted with numerous wedge-shaped or semi-circular hollow paddles.
These paddles are also filled with the heating medium to maximize heat exchange surface area.
They rotate slowly to mix, agitate, and convey the sludge forward.
Includes a motor, reducer, and gear system that drives the rotation of the paddle shafts.
Ensures low-speed, high-torque operation for handling heavy and sticky sludge.
A screw feeder, pump, or gravity chute introduces sludge into the drying chamber.
Designed to avoid material blockage and maintain a continuous flow.
Dried sludge exits through a discharge port at the opposite end.
May include a screw conveyor or rotary valve to control output.
Moisture evaporated during drying exits through a vapor outlet.
The vapor can be sent to a condenser, scrubber, or dust collector, depending on environmental requirements.
The outer surface of the shell is often insulated and clad to minimize heat loss and improve energy efficiency.
A centralized PLC or HMI control system monitors temperature, shaft speed, feed rate, and pressure for safe and automated operation.
(for low-temp drying)
(for hazardous materials)
Explosion-proof design (for flammable content)
This structure allows the sludge paddle dryer to handle sticky, high-moisture content materials efficiently, with minimal odor and dust emissions.
Let me know if you need a labeled diagram or technical specs for each component.
The operation of a Vacuum Paddle Dryer follows these steps:
Material to be dried is loaded into the vacuum drying chamber.
The chamber is sealed, and a vacuum is created to lower the pressure.
The heating system is activated, providing controlled heat to the chamber walls and paddles.
The paddles begin to rotate, agitating the material to increase the surface area exposed to the heat and promote uniform drying.
Under vacuum, the boiling point of moisture or solvents is reduced, allowing them to evaporate at lower temperatures.
Vapors are continuously extracted by the vacuum pump and condensed outside the drying chamber.
Once drying is complete, the material is cooled if needed and discharged from the chamber.
Ideal for heat-sensitive materials as the vacuum reduces the boiling point of water or solvents.
Rapid drying of materials with high moisture or solvent content, even when drying viscous or sticky materials.
The agitation and heating mechanism ensure consistent drying throughout the batch.
Reduces the risk of contamination, making it suitable for sensitive or hazardous materials.
Lower temperatures mean reduced energy consumption and minimized product degradation.
The Vacuum Paddle Dryer is widely used in industries such as:
Drying of heat-sensitive APIs (Active Pharmaceutical Ingredients), intermediates, and excipients.
Used for fine chemicals, dyes, and pigments that require a controlled environment.
Ideal for drying sensitive ingredients like fruit extracts, flavorings, and other food additives.
Useful in processing enzymes, proteins, and other biological substances that are sensitive to heat and oxygen.
Drying materials that may degrade at higher temperatures.
Choose the dryer configuration based on the specific properties of the material, such as stickiness, viscosity, and particle size.
Proper control of the vacuum level is essential to avoid thermal degradation or oxidation.
Ensure the heating medium and temperature are suitable for the material being processed.
Regular maintenance of the vacuum pump, seals, and paddles is critical to avoid contamination and maintain performance.
For handling hazardous materials, the VPD should comply with safety standards to ensure containment and operator safety.
VPD Vacuum Paddle Dryer Machine Jinling Factory Show
Vacuum Paddle Dryer Machine Certification
ISO9001
ISO14001:2015
ISO45001:2018
Patent certificate
Act as a good adviser and assistant of clients to enable them get rich and generous returns on their investments.
1. Introduce the product to the customer in detail, answer the question raised by customer carefully;
2.Make plans for choice according to the needs and special requirements of users in different sectors;
1. Ensure product with high quality and pre-commissioning before delivery;
2. Delivery on time;
3.Provide full set of documents meet customer’s requirements.
Provide considerate services to minimize clients’ worries.
1.Assist clients to prepare for the first construction scheme;
2.Install and debug the equipment;
3.Train the first-line operators;
4. Examine the equipment;
5.Take initiative to eliminate the troubles rapidly;
6.Provide technical support;
7.Establish long-term and friendly relationship.
Service commitment
1. Provide clients one-year warranty to make sure the machine work well;
2.We always keep certain inventory level of spare parts, which means the replacements can be sent to you timely
1. Q: Jiangsu Jinling Drying Technology Co., Ltd is a manufacturer, trading company or a third party?
A: We are a manufacturer, Our company established in 2000.
2. Q: Where is your factory located?
A: Jinling is located in Changzhou city, Jiansu province, China. it is In the middle of Shanghai and Nanjing.
3. Q: How can I go to your factory?
A: You can fly to shanghai Pudong or Hongqiao international airport directly, then take the high speed train to Changzhou station (just 1 hour from Shanghai to Changzhou by High Speed Train) and we arrange to pick you up at Changzhou station/Changzhou Bei Station to go to our company. Jinling company is around 30km away from Changzhou station.
If you are in China now, you can fly to Changzhou Benniu airport, or take train or bus to Changzhou city directly .
We sincerely welcome to visit our company at any time.
Lydia Shen
Email:lydia.shen@jinlingdry.com/lydia@jinlingdry.com
Whatapp:+8613776858224
Wechat:1024628175
