FANQUN Spin Flash Dryer
FANQUN spin flash dryers integrate feeding, crushing, and drying processes, helping you achieve the most efficient drying of wet materials.
- The tip speed of our spin flash dryer can reach 20 m/s to strongly disperse your wet materials.
- We use a dual-channel tangential air intake to ensure the uniformity of radial rotational speed.
- Our rotary blades have less wear, a wide contact surface and a large cutting force for efficient drying.
- Our spin flash dryer is suitable for high viscosity, paste or heat-sensitive materials with a maximum 80% moisture content.
- Our spin flash dryer can reduce energy consumption by 30-40% compared to traditional drying technology.
XSG Series Spin Flash Dryer
Hot air enters into stirring and crushing and drying chamber from the bottom of dryer with suitable atomizing speed. It exerts strong shearing,blowing,floating and rotating effect to raw material. Therefore raw material is granulated through centrifuge,shearing,impacting and friction effect. It strengthens the process of geat exchange. At the bottom of dryer,the large and damp granule is crushed under the action of stirer and the granule that is small in partical and contain less moisture will lift accompainied with revolving air stream. During the perioad of lif,it is dried further. Because gas and solid two phase flow in rotating and the intertia of solid phase is more than that of gas and the relative velocity between solid and gas phase is large,so it strengthens the process of heat exchange. Therefore the machine has strong drying capacity.
Features of XSG Series Spin Flash Dryer
- There are many kinds feeding equipment for choosing, and feeding is continuous and static. It will not produce brige in the process.
- At the bottom of dryer set special cooling equipment ,avoid material produce metamorphic phenomenon at the bottom of dryer.
- There are special air pressure equipment and shaft equipment, so can prolong life of machine.
- There is special equipment for separate wind, prolong useing life for the part of machine driving.
- There are rotational flow pieces inside the drying chamber. It is used to control the moisture and granle of raw material to needed level. For example, final moisture of calcium carbonate can adjust to ≤ 0.1%.
- It can add the proportion of material effectively for other dryer equipment.
- Gas speed is very high in dryer chamber,standing time is very short, prevent stick to the wall, heat senstive material become bad phenomenon achieve efficient fast and small equipment production.
Materials of XSG Series Spin Flash Dryer
- Inorganic Compounds: borax, calcium carbonte,hydroxide, copper sulfate oxide,barium carbonate,antimony trioxide, all kinds of metallic hydroxide,all kinds of heavy metallic salt,synthetic cryolite and so on.
- Organic Compounds: fenatrol(insectice of agrochemicals), cadmium laurate,benzoic acid,germicide,sodium oxalate,cellulose acetate and so On.
- Ceramics: kaoline,silicone trioxide, clay and so on.
- Dyestuff: anthraquinone,black ferric oxide, indigo blue pigment, butyric acid, titanium hydroxide,zinc sulfide, all kinds of intermediate of azo dye-stuff.
- Foodstuff: soya protein,agglomerative starch,less,tritcin, wheat starch and so on.
A custom voltage and custom power stainless steel material rotary spin flash dryer with an easy to operate and energy saving feature.
A heated air circulation custom voltage and size stainless steel material PLC motor powered spin flash dryer with an electric heating method.
A low energy consuming high quality automatic spin flash dryer machine with customizable voltage and 2.7kW power.
A stainless steel material steam heating method chemical material spin flash drying equipment with 10-17.5kW power available and a customizable voltage.
A high drying efficiency, multifunctional, and automatic PLC controlled spin flash dryer with a custom 5-135kW power and custom voltage available.
An automatic gas heating method stainless steel material chemical and food processing airflow type spin flash drying machine with custom size and dimensions.
A custom heating method carbon steel material automatic rotary spin flash drying machine with custom voltage and high efficiency feature.
A stainless steel material spin flash drying machine with 140-220 degree Celsius intel air temperature with a custom voltage and kw power available.
- Our Factory
- Technical Specifications
- Raw materials
| Model | ID of Main Machine(mm) | Air Amount (m³/h) | Evaporated Moisture(kg) | Max. Equipped Capacity (kw) | Max. Height (m) | Occupied Area (m²) |
| XSG-2 | 200 | 350-500 | 12-17 | 6~10 | 4 | 15 |
| XSG-4 | 400 | 1150-2000 | 40-70 | 12~20 | 4.8 | 20 |
| XSG-6 | 600 | 2450-4500 | 80-150 | 24~40 | 5.8 | 28 |
| XSG-8 | 800 | 4450-7550 | 150-250 | 38~65 | 6.4 | 35 |
| XSG-10 | 1000 | 7000-12500 | 230-420 | 55~90 | 7.1 | 40 |
| XSG-12 | 1200 | 10000-18000 | 300-600 | 80~135 | 7.8 | 52 |
| XSG-16 | 1600 | 18000-30500 | 600-1000 | 160~270 | 8.5 | 80 |
| XSG-20 | 2000 | 50000-78000 | 1000~1500 | 250~430 | 10.1 | 150 |
Notes:
1.The evaporated amount of moisture is calculated when the temperature of inlet is 180℃ and the temperature of outlet is 80℃。
2.Besides the models above mentioned,apodification can also be made as request.
3.Occupied area will be different because of different environment.
| Name of raw material | Temperature of air heat (℃) | Primary moisture (%) | Final moisture (%) | Practical dry capacity (kg/h) |
| ZDC Accelerant | 150 | 60 | 0.5 | 80~110 |
| Oil Solve Ink | 150 | 45 | 2 | 350~380 |
| Silicinate Zinc Margarose | 120 | 30 | 1 | 120~150 |
| Pinhealing-yanin Dye | 150 | 55 | 1 | 160~180 |
| Calcium Citrate | 140 | 40 | 1 | 300~350 |
| Superfine Calcium Carbonate | 160 | 70 | 1.5 | 430~470 |
| Kurry Treatment Agent | 200 | 75 | 5 | 290~310 |
| Sodium Isocyanurate Dioxide | 180 | 25 | 0.2~2 | 80~120 |
| Sodium Isocyanurate Trioxide | 150 | 30 | 1 | 90~150 |
| Zinc Shemate | 150 | 80 | 0.5 | 140~160 |
| Aluminum Hydroxide | 180 | 55 | 1.5 | 250~280 |
| Zinc Carbonate | 150 | 80 | 1 | 130~170 |
| Insecticide | 120 | 30 | 1 | 80~110 |
| TMTD | 140 | 65 | 0.5 | 80~120 |
| DSD acid | 150 | 60 | 0.5 | 80~120 |
| Ferric oxide red | 200 | 60 | 0.5 | 300~350 |
| Antimony Dioxide | 180 | 45 | 1 | 280~320 |
| Cuprous Chloride | 200 | 20 | 3 | 290~310 |
| White Carbon Black | 280 | 85 | 5 | 250~300 |
What is the Spin Flash Dryer?
The spin flash dryer is an industrial drying process that is specifically used to dry your wet material with high moisture, such as sticky, non-sticky pastes, filter cake and high viscosity liquid. It is widely used for drying various foods, chemicals, etc.
How does the Spin Flash Dryer Work?
The working principle of the spin flash dryer is to let the crushed material contact with the high-temperature drying medium, thus making the material dry. The specific process can be divided into the following steps:
Step 1: Crush Wet Materials
The first step is to feed the wet materials into the drying chamber with the rotating disk or wheel. Usually, the wet materials are viscous or paste-like. Under the high-speed rotation, the blades will break the wet raw materials into small particles. This will help to increase the surface area of materials when drying.
Step 2: Drying
After the raw materials are crushed, the rotation of the disk will form a fluidized bed. This will allow materials to be fully dispersed within a very short residence time. Under the high-temperature air flow, the drying chamber will form a high-speed swirl. Then the wet raw materials will be transformed into the dry powder within seconds.
The standard gas temperature should be controlled between 140°C and 220°C. If it is used for drying heat-sensitive materials, it is recommended to control the gas temperature below 140°C.
Step 3: Collection
After drying, the small enough dry particles will rise with the airflow and pass through the fan, and finally be delivered into the separation unit. You can use the cyclone separator or bag filter to collect the dry powder.
Step 4: Exhaust Gas
The last step is to exhaust the waste gas. There is a lot of moisture and particulate matter in the exhaust gas. So it is necessary to remove the particle before emissions. On the one hand, according to environmental regulations, filtered exhaust gases must be emitted. On the other hand, you can recycle part of the useful particles from the exhaust gas.
The design and equipped functions of your spin flash dryer depend on the nature of the feed. If your materials are non-viscous crystalline materials, then the traditional arm design is suitable for you. If the material is viscous and moist-like, then the rotary crusher with a special design can prevent the blockage when drying.
Advantages of the Spin Flash Dryer
High-efficiency Drying
The biggest advantage of the spin flash dryer is the high-efficiency drying. The air velocity in the drying chamber is high; this can shorten the stay time of the material and prevent the material from sticking to the inner wall. If you want to dry the heat-sensitive materials, then the high-speed air velocity can prevent deterioration to achieve high-efficiency drying.
Also, the spin flash dryer can be equipped with a feeding device to prevent the bridge construction phenomenon. The integrated design can shorten the processing time and increase production. Most importantly, the spin flash dryer can dry your materials within seconds.
Fully Automatic Drying
The spin flash dryer uses a fully automatic drying system with automated control, process optimization, data logging, and traceability. The automatic system can perform automatic feeding, temperature control, and material discharge. This can help to reduce labor operation costs and maintenance costs.
Low Energy Consumption
The spin flash dryer has a high-efficiency heating system and optimized airflow, which can save your energy and fuel costs significantly. Because of the high-speed drying, the materials will stay for a short time in the drying chamber and reducing the energy loss. For heat-resistant chemical products, flash dryers offer energy efficiencies of up to 70–85%.
Controllable
Whether temperature, velocity, stay time, or particle size, it can be controlled. The drying chamber has a patented inverted conical base and rotor system, which can control the wind speed. The drying chamber has a hierarchical ring and a swirl plate, which can be used to control the fineness and moisture content of the materials.
Safety
The high-pressure shock-resistant chamber of the spin flash dryer can safely dry flammable products. FANQUN uses a special feed mixer and screw conveyor to prevent bridge construction, which is are configuration that meets FDA and cGMP standards.
In addition, the spin flash dryer is a totally closed design, so you don’t need to worry about the dust and emissions leaking into the working environment. All the dry powder will be recycled within the system. It greatly ensures your workplace safety and reduces the hazards to operators.
Health
Besides the safety advantage of the fully enclosed structure, it also meets the design requirements for food and pharmaceutical grades. 90% of dryers are made of stainless steel, such as 304 or 316. Furthermore, the mirror-finished interior of the dryer significantly reduces the adhesion of wet materials. This shortens the material’s residence time and improves hygiene.
Different industry has different hygiene requirements, so you can choose to equip the cleaning system depending on your needs. If you are doing the drying business for food or pharmaceuticals, then you can equip an extra CIP(Clean in Place) showing with a hot water rinsing function or SIP(Sterilization in Place) function. If you do not have high requirements for cleaning, you can choose manual cleaning to meet hygiene requirements.
Long Service Life
Generally speaking, the spin flash dryer can operate stably for 8 to 20 years. One reason for such a long service life is that the spin flash dryer is not a whole vibration or rotation structure, which means that it will not be fatigued or damaged during long-term operation.
Another reason is the wear-resistant and corrosion-resistant materials. The entire structure is made of 304 or 316L stainless steel, while the rotating blades are made of alloy material.
These materials are not only resistant to high temperatures and corrosion, but also have strong resistance to erosion.
In addition, the special pneumatic sealing device and bearing cooling device can extend bearing life to make the spindle operation more stable. If you need to dry heavy or highly abrasive materials, these two units can help extend the overall lifespan of your equipment from 8-10 years to 12-20 years.
Applications of the Spin Flash Dryer
The spin flash dryer has a widely applications in different industries. Below are some typical application industries and products.
Agricultural Chemicals
The spin flash dryer is suitable for drying filter cake-like shapes of agricultural chemicals with high viscosity and strong heat sensitivity. The spin flash dryer has stirring blades that can rotate and crush the materials, and then the hot wind will instantly remove moisture without decomposition. The spin flash dryer can help you achieve large-scale production in agrochemical plants.
- Atrazine
- Glyphosate
- Acetochlor
- Glyphosate
Ceramics
Many ceramic processing plants will use the spin flash dryer as the pretreatment before spray drying. You can use the spin flash dryer to adjust the moisture content or particle size of your ceramics.
- Kaolin
- Silica
- Clay
- Magnesia (MgO)
Food
The spin flash dryer can be used to dry natural food such as plant protein, carbohydrates or dietary fiber. The spin flash dryer can crush the wet filter cake into dry powder. At the same time, efficient drying methods can also enable mass production of food.
- Soy protein
- Starch
- Wheat sugar
- Maltodextrin
Inorganic Chemicals
The spin flash dryer can dry the oxide wet filter cake with high water content(40-70%) within 1-3 seconds. Almost all inorganic chemicals that use the wet precipitation route employ rotary flash drying.
- Boric acid
- Calcium carbonate
- Hydroxide
- Copper sulfate
Organic Chemicals
The spin flash dryer can be used to dry fatty acids, resins, surfactants, organic acids, dyes and other organic chemicals. It is a good choice to disperse wet materials into a uniform powder.
- Lauric acid
- Benzoic acid
- Captan
- Phthalocyanine Blue
Since FANQUN independently developed its flash dryer, it has successfully built 350 spin flash dryer systems worldwide. As a one-stop drying equipment solution provider, FANQUN can provide you with integrated equipment covering all production processes from crushing, drying, granulation, and packaging.
Yes. The heat recovery system in the spin flash dryer can catch and reuse the heat generated during the drying process. This can help you reduce energy consumption and operating costs. Also, the recycled heat can be used to preheat the air that enters the spin flash dryer or for other heating needs in your factory. Reusing the heat generated can make your production more environmentally friendly.
Yes. You can use the equipment that integrates grinding and drying to deal with animal protein. Grinding fist, then drying. This will improve the heat transfer efficiency between the coagulation raw materials and the 220℃ air around to the greatest extent. The integration process can prevent the animal protein from overheating, damage and degradation.
No. Although the bottom of the drying chamber is a high-temperature area. But there are protective devices with high-speed wind and high-cooling water that can prevent your wet materials from coking, discoloration and deterioration. In addition, the high-speed air intake is an inverted cone design that can efficiently prevent material from stacking, which is suitable for drying the paste.
