Features of Paddle Dryer for Sludge
The innovative paddle technology of FANQUN sludge paddle dryer helps you improve efficiency, save costs and ensure compliance. Order now and choose the FANQUN solution that suits you best!
- The heat conduction has a large heat transfer area per unit volume and extremely high thermal efficiency.
- Heat transfer through the hollow blades and the shaft wall reduces the volume of exhaust gas.
- The main shaft rotates at a low speed, featuring low energy consumption and minimal damage to the material structure.
- It can handle viscous sludge ranging from paste to filter cake and is not sensitive to changes in material viscosity.
- It has a sturdy structure, can operate continuously and is easy to achieve automatic control.
JFQ-KJG-WN Paddle Dryer for Sludge
Hollow Paddle Dryer can indirectly heat or cool the paste,granules and powder or slurry materials.It is a combined unit for drying, cooling, sterilizing,reacting or low temperature calcining.This special wedge type processor use agitator form to develop its higher efficient of heat transfer.The wedge-shaped agitator blades are self-cleaning.
It is one kind of continuous and energy-saving dryer.There are wedge- shaped hollow paddles in hollow axis,and heat medium is from-40℃ to 320℃,the heat medium is steam or hot air or heat conduction oil and so on.Indirectly heating way does not take the energy,so the energy is used for heating material.The energy loss is only heat emission of heat- keeping layer.
The transferring heat of wedge-shape side takes cleaning actions.It can clean waste material in wedge-shaped size.The body of wedge-shaped hollow paddle dryer is W shape.There are 2-4 hollow mixing axes in the body.In order to avoid discharging material dust and to collect material solvent,there is a sealed cover on top of body.A baffle is on the outlet of discharging material,in order to keep the height of materials.The heat medium(such as steam or thermal oil)will flow into chamber jacket and hollow mixing axis through rotary join.
Hollow mixing axis has different inner structures according to different types of heat medium,which will ensure of best heat transfer efficient.
Features of JFQ-KJG-WN Paddle Dryer for Sludge
- Low energy consumption: as the heat flow is indirect, there is no large volume of sweep gas flow through the unit, which will carry heat away from the dryer. Take slurry as an example, heat requirement may be as low as 12kg of steam for evaporating 1kg water in hollow paddle dryer.
- Stable operating continuously: Because of the special compression and inflation of agitation function of paddle dryer, the material grains touch the heat-transfer area thoroughly. Within the axis direction, the temperature, moisture, mixture and grades of the materials vary very little so as to guarantee the stability of the whole process.
- Low labor and maintenance expense: Only need 1 person per 1 day for 1 dryer, which saves a lot of labor cost for customer. With our intelligent design and good manufacturing, the equipment is indefectible, thus maintenance cost is greatly saved.
- Paddle can be cleaned by itself during operating, which will improve heat transfer efficiency.
- Wide variety of process problems can be solved by using any kinds of heating source. It is specially suitable for drying heat sensitive materials and light temperature materials. The normal heat transfer medium can be steam, heat transfer oil, hot water, as well as cooling water etc. The dryer can be used for continuous or batch processing. It has been widely used in many industry areas already.
- Big heat transfer area, compact construction and less installing area.
Application of JFQ-KJG-WN Paddle Dryer for Sludge
- Petrochemical Industry: polyolefin powder, panlite,high and low density polytene,inear low density polytene,linear low density polytene,polyacetal,nylon 6, nylon 6.nylon 12,acerate fiber.polyphonyl sulide.propeny resin,engineering plastic.polyvincyl chloride,polyving akohol,polystyrene,polypropylene,polyester, polyformaldhyde,styrene acrylonitrile copolymer,polytene and proplylene copolymer.
- Environment Protection Industry: sludge,electroplating sludge,boiler ash,sugar residue,pharmaceutical waste,ash.
- Feed Industry: soy residue,bone forage,distiller’s grains,food remnant,apple residue,orange peel,bean dregs,chicken bones forage,fish meat,feed additives, biological residue.
- Food Industry: starch,chocolate,niblet,salt,metatropy starch,drugs.
- Chemical Industry: sodaash,azophoska,kaolin,altamud,white carbon,carbon,ardealite sodium fluoride oxide,nitrate of lime,agnesium carbonate, cymag,calmogastrin,bariumsulfate,hydrofoil,dyestuff,molecular sieve,saponin.
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- Our Factory
- Technical Parameters
| Model | Heating Area (m²) | Working Volume (m³) | Revolution (rpm) | Power (kW) |
|---|---|---|---|---|
| KJG2.7 | 2.7 | 0.06 | 15~30 | 2.2 |
| KJG9 | 9 | 0.32 | 10~25 | 3.8 |
| KJG13 | 13 | 0.59 | 10~25 | 5.5 |
| KJG18 | 18 | 2.09 | 10~20 | 7.5 |
| KJG24 | 24 | 1.53 | 10~20 | 11 |
| KJG29 | 29 | 1.85 | 10~20 | 11 |
| KJG36 | 36 | 2.42 | 10~20 | 15 |
| KJG41 | 41 | 2.8 | 10~20 | 15 |
| KJG48 | 48 | 3.51 | 10~20 | 30 |
| KJG52 | 52 | 3.96 | 10~20 | 30 |
| KJG62 | 62 | 4.79 | 10~20 | 45 |
| KJG68 | 68 | 5.21 | 10~20 | 45 |
| KJG73 | 73 | 5.78 | 5~15 | 55 |
| KJG81 | 81 | 6.43 | 5~15 | 55 |
| KJG87 | 87 | 7.39 | 5~15 | 75 |
| KJG96 | 96 | 8.07 | 5~15 | 75 |
| KJG110 | 110 | 9.46 | 5~10 | 95 |
What is a Sludge Paddle Dryer?
The FANQUN sludge paddle dryer is an efficient and energy-saving sludge treatment equipment.
The hollow blades inside it constantly stir, turn and squeeze the sludge while rotating slowly, which allows the sludge to fully contact the high-temperature surface of the blades and thus evaporate the water.
Our equipment can dry wet sludge with high moisture content into granular dry materials. It features high thermal efficiency, stable operation and strong adaptability, which is widely used in the reduction and resource utilization of municipal and industrial sludge.
The Working Principle of the Sludge Paddle Dryer
- Step 1: The wet sludge (with a moisture content typically around 65%) after initial mechanical dewatering is conveyed into our sludge paddle dryer by conveying equipment.
- Step 2: The hollow blades rotate slowly, constantly stirring and turning the sludge, and pushing it towards the discharge port. Heat is continuously transferred to the sludge through the shaft and blade wall of the hollow blades.
- Step 3: The water in the sludge evaporates due to heat, and the water vapor is discharged from the exhaust system of the equipment.
- Step 4: Under the action of stirring and squeezing, the sludge is gradually dried and crushed into particles with low moisture content. The dried sludge particles are discharged from the discharge port.
- Step 5: The exhaust gas carrying moisture and a small amount of dust is separated from the moisture by the condenser. The non-condensable gas then enters the deodorization system for treatment and is discharged up to standard.
Features and Advantages of FANQUN Sludge Paddle Dryer
High Efficiency and Energy Saving
The FANQUN sludge paddle dryer dries sludge through heat conduction. The heat is directly transferred to the wet sludge by the rotating hollow paddles, which avoids the loss of a large amount of heat energy carried away by the exhaust gas in traditional hot air drying. Its heat transfer area is large, and the thermal efficiency usually reaches 80% to 90%, which significantly reduces energy consumption and achieves high efficiency and energy conservation for you.
Indirect Drying Method
Our equipment adopts an indirect heating method, and the heat medium such as steam or heat transfer oil does not come into direct contact with the sludge. Therefore, no large amount of moist air is produced during the heating process and the amount of waste gas that needs to be treated subsequently is extremely small. In addition, it is particularly suitable for handling materials with unpleasant odors, prone to oxidation or containing organic solvents, which has excellent environmental friendliness.
Self-Cleaning Performance of the Blades
When the blades rotate towards each other on the two shafts, they rub against each other and can automatically remove the sludge adhering to their surfaces. This self-cleaning function effectively prevents your materials from adhering and scaling on the hot surface for a long time, which ensures the long-term stable heat transfer efficiency and continuous operation capacity of your equipment.
Low-Speed Rotation
The two paddle shafts of the FANQUN sludge paddle dryer rotate at a relatively low speed, continuously and gently stirring, turning and squeezing the sludge. This process not only achieves efficient heat transfer but also forms uniform granular sludge. This granulation treatment is convenient for your subsequent transportation, storage, incineration or resource utilization.
Compact Structure
Our sludge paddle dryer integrates the main heating and stirring functions into the paddle shaft, so its body structure is very compact and occupies a small area, but at the same time, it has a strong processing capacity per unit volume.
Strong Adaptability
The stirring method and heat transfer mechanism of the hollow paddle blades make it highly adaptable to materials. It can handle various forms of sludge ranging from high-viscosity pastes to filter cakes, which meet the needs of your multiple projects.
Operation Stable and Easy to Control
The FANQUN sludge paddle dryer operates smoothly with low vibration and noise. Indirect heating mainly controls the final form of your materials by adjusting the temperature and flow rate of the heat medium as well as the residence time of the sludge in the equipment. We are equipped with a PLC control system, which is easy to help you achieve automated continuous production and precise process control, ensuring the uniformity of your products.
Applications of Sludge Paddle Dryer
Municipal Sludge Disposal
Our sludge paddle dryer is mainly used for deep drying treatment of sludge after mechanical dewatering. It can reduce the moisture content of sludge, achieve significant volume and quantity reduction, and greatly lower the transportation and treatment costs for your subsequent landfill, incineration or transportation.
Industrial Sludge Treatment
The FANQUN sludge paddle dryer has been widely applied in the treatment of special sludge generated in various industrial fields such as printing and dyeing, petrochemicals, pharmaceuticals, and food. It can not only reduce and make the waste sludge harmless, meeting the requirements of environmental protection regulations, but also the products after drying can be recycled and reused.
Incineration Pretreatment
By drying wet sludge into granular fuel, not only can the fuel consumption of the incinerator be significantly reduced, but also the incineration process can be made more stable and thorough, and the amount of flue gas can be decreased.
Land Use
Our sludge paddle dryer can be used to precisely control the moisture content of your materials. It can adjust overly wet sludge to a humidity range suitable for microbial fermentation and form a loose granular structure, which greatly improves the air permeability of the compost, shortens the fermentation cycle, and enhances its quality and hygiene standards.
FANQUN, as a well-known enterprise in China’s drying industry, is committed to the research and development of drying, pharmaceutical, chemical, food and other equipment. It is one of the largest drying equipment manufacturers in China with the most complete product range and the highest quality.
The FANQUN sludge paddle dryer features innovative hollow paddle technology and advanced sludge drying technology, which can efficiently and high-quality process your sludge materials while ensuring compliance. If you need a sludge paddle dryer, FANQUN is your ideal choice.
If you have any other questions about FANQUN dryers, please feel free to contact us at any time.
Our sludge paddle dryer adopts the principle of heat conduction. Heat is directly transferred to the sludge through the paddles, with a thermal efficiency of over 85%. Compared with traditional hot air drying, it can save about 30% of energy and significantly reduce your operating costs.
We adopt a unique impeller design with a self-cleaning function. When rotating, they rub against each other, which effectively prevents material adhesion and scaling, ensuring the long-term stable operation of your equipment.
As our equipment is indirectly heated, the amount of exhaust gas it generates is only 10% to 20% of that of traditional hot air drying. Moreover, the exhaust gas can be discharged up to standard after simple condensation deodorization treatment. This not only saves your operating costs but also strictly complies with environmental protection requirements.
Our dryer adopts a PLC fully automatic control system. You can achieve one-click start and stop, automatic parameter adjustment and fault alarm, etc., which greatly reduces labor time and cost.
Our equipment has strong adaptability to material changes. By adjusting the spindle speed, heat source temperature and sludge retention time, it can quickly adapt to sludge of different compositions and moisture contents, ensuring the stable operation of your equipment.
