Zhongxiang: Your Premier Dryer Machine Manufacturer
Professional Team
The company has a standardized factory building of 5,000 square meters, more than 90 workshop workers, 15 sales teams, 12 technical teams, and 8 after-sales service teams.
Perfect Management System
We have a complete factory production, quality supervision system, delivery process and after-sales service system to provide all customers with high-quality products and professional services.
Wide Range of Applications
Our products cover crushers, charcoal machines, wood processing series, etc., which are widely used in mining, metallurgy, building materials, bridges, refractory materials, highways, agriculture, forestry and other industries.
Complete Qualifications
With its strong technical strength and sophisticated processing equipment, the company has passed ISO9001:2008 international quality system certification, as well as PVOC, CE, SGS and other certifications.
Product Categories
What is Dryer Machine?
Industrial dryer machines are used to efficiently process large quantities of bulk materials that need reduced moisture levels. Depending on the amount and the makeup of material needing to be dried, industrial dryers come in many different models constructed specifically for the type and quantity of material to be processed. Various factors are considered in determining the correct type of dryer for any given application, including the material to be dried, drying process requirements, production requirements, final product quality requirements and available facility space.
Features of Zhongxiang Grain Dryer
- Drying capacity adaptable to the actual plant size
- Lowest possible quality degradation during the drying process
- Low energy consumption
- Low environmental impact
- Simple operation
- Low investment and maintenance costs
- Proper scaling feature
Advantages of Dryer Machine
Using different dryers has different benefits. Below we focus on the benefits of the following two dryers:
The combination of cross-flow and concurrent flow ensures that each grain particle receives optimal exposure to heat and airflow. This results in faster drying times and allows farmers to process larger quantities of grain in a shorter period.
The even distribution of heat and airflow in a mixed-flow grain dryer contributes to higher grain quality. By reducing the drying time and minimizing temperature fluctuations, this advanced drying system helps preserve the nutritional value and germination potential of the grains.
Mixed-flow grain dryers are designed to operate efficiently and minimize energy consumption. The balanced airflow pattern ensures that heat is evenly distributed, eliminating the need for excessive heat application. This not only reduces energy costs but also contributes to a more sustainable and environmentally friendly farming practice.
Another advantage of using a mixed-flow grain dryer is its versatility in handling different crop types. Whether you deal with corn, wheat, soybeans, or other grains, this advanced drying system can accommodate various crop sizes and moisture levels.
Rotary drum dryers offer excellent heat transfer and large surface area for effective drying. The continuous agitation and exposure to the drying medium result in faster and more efficient moisture removal.
The design of rotary drum dryers, along with the lifting flights inside the drum, ensures uniform heat distribution and airflow. This leads to consistent drying throughout the material, reducing the risk of over-drying or under-drying.
Rotary drum dryers can accommodate a wide range of materials, including granular substances, powders, slurries, and pastes. They can effectively handle materials with varying moisture contents, making them suitable for different drying requirements.
Rotary drum dryers are engineered to optimize heat transfer, minimizing energy wastage during the drying process. This results in lower operating costs and reduced energy consumption compared to other drying methods.
Types Of Dryer Machines
Vacuum Dryers
Vacuum dryers operate at a low (vacuum) pressure to hasten the vaporization of moisture or solvent absorbed by the material. These dryers operate at a lower temperature than other industrial dryers.
Freeze Dryers
Freeze-drying (or lyophilization) involves freezing the material to be dried and subjecting it under vacuum pressure. It is employed for products that drastically degrade or change at high temperatures.
Tunnel Dryers
The tunnel dryer is a machine where a container (tray) filled with the material is placed on a trolley or the material is loaded directly on the trolley, and the trolley is pushed in from the tunnel chamber entrance.
Rotary Dryers
Rotary dryers are a highly efficient industrial drying option for bulk solids. They are often chosen for their robust processing capabilities and their ability to produce uniform results despite variance in feedstock.
Fluidized Bed Dryers
A fluidized bed dryer (also called a fluid bed dryer) is a process equipment used extensively to reduce the moisture content of food, pharmaceutical, chemical powder, and granules.
Spray Dryers
A spray dryer takes a liquid stream and separates the solute or suspension as a solid and the solvent into a vapor. The solid is usually collected in a drum or cyclone. The liquid input stream is sprayed through a nozzle into a hot vapor stream and vaporized.
Agitated Vacuum Dryers
Agitated vacuum drying is an efficient method for removing volatile components from plastics, ceramics, metals, specialty chemicals and other products.
Flash Dryers
A flash dryer is a system in which a wet powder is introduced into a hot stream of air. Usually this is done by throwing the wet material into a very high-speed airflow in a venturi using a mechanical disperser.
Spray Dryers
A spray dryer takes a liquid stream and separates the solute or suspension as a solid and the solvent into a vapor. The solid is usually collected in a drum or cyclone. The liquid input stream is sprayed through a nozzle into a hot vapor stream and vaporized.
Tray dryers are the simplest type of industrial dryers. They are easy to operate and maintain. They may not be suitable for powdered solids.
Pan dryers are equipped with an agitator or a mill that stirs wet materials inside a jacketed vessel.
Bin dryers are a form of batch dryer that consist of a large cylindrical or rectangular drying chamber that has a wire mesh bottom.
In the drum-drying process, pureed raw ingredients are dried at relatively low temperatures over rotating, high-capacity drums that produce sheets of drum-dried product.
The Disc Dryer is an efficient equipment for drying co-products of animal origin, such as poultry entrails, feathers, swine, blood, and fish.
Applications of Dryer Machine
- These ovens are useful in the electronic industry for drying electrical items, circuit boards, electronic chips, etc.
- These ovens can be used for degassing epoxy resins.
- They are highly useful in the food and beverages industry to dehydrate as well as sterilize certain items before packaging.
- Drying ovens are used in the pharmaceutical and medicinal industry for sterilization as well as incubation of different preparations/ samples.
- These ovens are used in the Research and Development sector for sample preparation and temperature grading.
- Industrial dryers are immensely useful for the process of ageing plastics.
- They can be used for the determination of humidity content in edible items.
- The hospitality industry makes use of these industrial drying equipment to dry/ warm up blankets, and in some cases crockery.
- These ovens can effectively dry coatings, adhesives, and moisture content in various parts of machinery during the process of manufacturing.
- Conveyor drying ovens can dry up the interiors of a conveyor.
Choose the Right Dryer Based on Your Business Requirements
Size & Density
The starting point should be to take a look at the size of the individual particles within the material being dried, and the density that the material has when in the amount needing to be dried. A fine powder will require a different drying method than the same size material as a sludge, and large materials will have their own requirements.
Moisture Content to Be Dried
You will need to know the starting moisture percentage as well as the goal ending moisture percentage that the dryer should be reaching. If the percentage is off by even a little bit it can cause the goal water weight to change dramatically, resulting in an inefficient and incorrectly sized dryer. It’s also helpful to know how the material is holding on to the water that is needing to be dried.
Reaction to Heat
Heat is used in most drying methods, but some materials react to heat once it reaches a certain temperature. In some products it can cause a chemical reaction, especially if the liquid being dried is a chemical solution. Other materials may melt or burn if they reach a certain temperature or are exposed to high heat for too long.
Material Handling
How the material handles both while wet and while dry is important to think about when deciding on a dryer. Some materials are sludgy or sticky while wet and need to be forced through the dryer to keep material from plugging and backing up the line. Nonstick surfaces can also be used, and weirs or paddles can be built in to keep materials flowing as needed. Clean in place fittings can also be incorporated to keep the system clean and remove any potential build up.
Production Requirements
It’s important to make sure the dryer is sized correctly for the production amounts that will be expected and to know whether you plan on running continuously or doing batches. If the dryer is undersized it will clog and suffer from upset conditions when more material is forced through it. If the dryer is too large for the actual production size it will be a waste of energy and fuel to run it.
Efficiency & Cost
An important part of purchasing an industrial dryer is of course the cost, both the upfront capital expense of the purchase as well as the cost of operation throughout its lifespan. Types of fuel being used for drying need to be considered, but pricing for that needs to look at long term trends and predictions and should not be based on current fuel prices.
Components of a Commercial Dryer Machine
Shell: The large, cylindrical structure made from a variety of materials including carbon steel, stainless steel, hastelloy and iconel. The shell can be customized in terms of thickness, or insulation, to meet the needs of the process.
Combustion Chamber: This is where the actual combustion reaction occurs. From here, the drying air is directed through the drum.
Burner: The burner is the engine behind the dryer, and works to determine the output of BTU’s/Watts.
Feed Chute: Where the material feedstock is fed into the dryer.
Air Seal: The seal connects the discharge breeching to the dryer, in order to keep air and material from prematurely exiting the drum.
Drive Assembly: The mechanism which causes the dryer to rotate.
Riding Ring: Part of the support structure for the dryer, and a place for pressure to be absorbed.
Thrust Rollers: Push up on the riding ring to prevent the drum from moving horizontally.
Trunnion Wheels: Serve as the cradle for the rotating drum, helping to ensure the dryer moves smoothly and in a concentric rotation.
Flights: Pick up the material and drop it through the air stream as the dryer rotates. This maximizes heat transfer between the material and the drying air.
Discharge Breeching: Where the product exits the dryer, and also where the exhaust gas system removes off-gases and small particulates.
Common Add-Ons Include:
- Advancing flights: Help to advance material into the drum.
- Knocking Systems: Used to prevent material build-up within the drum.
Dryer Machine Maintenance: Three Simple Tips to Manage it Effectively
Cleaning and Lubrication: Essential Aspects for the Performance of a Dryer
In the first instance, it is important to keep the machine clean daily, without letting dirt accumulate inside the dryer. In fact, if the dirt remains in the dryer, the risk is to affect the fluidity of the mechanisms and to increase the energy required to dry. The use of water to wash the dryer is strongly discouraged, as the electrical and electronic components mounted on the dryer could be damaged.
The second essential aspect is the lubrication of the mechanical components. In fact, during the maintenance phase, it is important to make sure that all the bearings of the dryer are adequately lubricated, while avoiding excessive oiling. In fact, excessive lubrication could damage the seals, causing premature failures to the system. Keep in mind that bearing lubrication mainly depends on the number of hours the dryer remains in operation.
Make Sure the Electrical Panel is in Order and Functioning Properly
It is essential to check that the drying system is working perfectly and that all components are in order, especially after a long period of inactivity. Check that the cable lugs are secure at the connections and inspect the cables to make sure they are undamaged and not eaten by rodents.
In the post-drying maintenance phase it is useful to proceed with a check on the operation of the entire electrical panel. It is essential to check that all electrical cables are tight and undamaged. Rely on specialized electricians to check the electrical system.
Make Sure the Combustion Chamber and Burner are Running Smoothly
A correct maintenance action of the drying systems allows to minimize the presence of residues in the combustion chamber of the machinery. An incorrectly calibrated burner can give rise to accumulations of soot inside the combustion chamber. The heating system should periodically be kept under control, as with gas or diesel burners good maintenance is essential for reliability, safety and efficiency.
Remember to periodically inspect the combustion chamber, clean it of any combustion products or dust deposits and carry out a correct calibration of the burner so that combustion is clean and optimal as regards fuel consumption.
Most Common Industrial Dryers Faults and Solutions
Fault causes:
- The motor of the dryer is burnt out.
- The fuse is burned out.
- The belt is loose or broken.
Solutions:
- Replace the motor or adjust the position of the motor.
- Replace the fuse.
- Replace the belt.
Fault causes:
- The fan blade of the industrial dryer is reversed.
- The heating tube or the conductive wire is burnt out.
Solutions:
- Adjust the phase line of the power supply and change the rotation direction of the motor.
- Replace the heat tube or its conductive wire.
Fault causes:
- The workpieces are placed unevenly or the drum dryer is installed unstably.
- The bearing loses oil or is damaged.
- The fixing bolt of the bearing seat is loose.
Solutions:
- Stop the machine and place the workpieces evenly, or reinstall the dryer stably.
- Replace the bearing of the industrial dryer.
- Tighten the fixing bolt of the bearing seat firmly.
Fault cause:
The wear of the brake pads of the industrial dryer is serious.
Solutions:
Replace the brake pads.
Fault causes:
- The dryer is too small but it contains too many raw materials.
- The calculation of ventilation network, wind pressure or flow is incorrect.
- Improper use of dryer.
Solutions:
- Replace the dryer with a larger one or load less each time. You can also increase the temperature of the dryer, but this method is easy to cause a fire in the dryer, so you can also change the dryer.
- Ask the dryer manufacturer to recalculate the wind pressure and flow rate, and then provide a design change plan according to the actual situation.
- Negotiate with the industrial dryer manufacturer to obtain the equipment manual to learn the correct way to use the dryer.
Fault causes:
- The raw materials cannot be sucked away, resulting in fire in the dryer.
- The dryer equipment is too small to achieve the drying effect and it is forced to be heated, which may cause a fire.
- It may be caused by the improper use of dryer equipment.
- There is something wrong with the design principle of the dryer equipment.
Solutions:
- Check whether the dryer equipment is installed correctly or there is air leakage.
- Modify the dryer or replace it with a larger one.
- The operator can re-learn the operation precautions of the dryer.
- Ask the manufacturer to replace or renovate the dryer.
With vacuum drying, moisture is removed from food under a vacuum at low temperatures and with a lower oxygen content. This makes the process ideal for foods such as fruit and vegetables that are sensitive to heat and oxygen exposure. Vacuum drying is commonly used for commercial purposes to dry lettuce and other vegetables after washing so they are ready for packaging. It is also used to dry pre-cut fruit to be sold in snack packs.
The first step in the freeze-drying process involves freezing the food at extremely low temperatures to convert the water in the food to ice. In the next step of the process, the ice goes through the process of sublimation, turning directly from ice to gas, skipping the liquid phase. Sublimation is only possible due to the vacuum in the drying chamber that significantly lowers the pressure. This process removes 95% of the water. In the last stage, the final five percent of the water gets removed by increasing the pressure.
Freeze Drying Vs. Vacuum Drying
While vacuum drying has its place in the food preparation industry, these techniques are largely used to remove moisture to preserve fresh fruits and vegetables before they are shipped to grocery stores.
Freeze drying, on the other hand, can be used extensively to preserve fruits and vegetables for longer periods of time without compromising their nutritional value.
The main benefit of freeze-drying is that most types of food can be freeze-dried, including meat, fish, cooked pasta, dog food, and even ice cream! We also love it because it introduces a whole new texture and flavour to familiar foods. But if you have a sweet tooth as we do, you’ll know that our favourite thing to freeze-dry is candy.
We have a complete factory production, quality supervision and delivery.
Our Certificate
At present, the company has ISO9001:2008 international quality system certification, as well as PVOC, CE, SGS, and other certifications.
Ultimate FAQ Guide to Dryer Machine
Q: What does a grain dryer do?
Q: What is the main function of dryer?
Q: What is the principle of grain dryer?
Q: What are the examples of industrial dryers?
Q: What are the advantages of industrial dryers?
Q: What is the useful life of a grain dryer?
Q: How hot is a grain dryer?
Q: What are the different types of grain dryers?
Batch Bin Dryers.
High Temperature Bin dryer.
Roof Dryers.
Recirculating Batch Dryers.
Q: Which type of drying method is most popular in grain drying?
Q: What is commercial grain dryer?
Q: How much gas does a grain dryer use?
Q: What are the classification of industrial dryers?
Q: What is the capacity of industrial dryer?
Q: How does an industrial steam dryer work?
Q: How does a commercial dryer work?
Q: What is the most efficient drying method?
Q: What is the importance of mechanical dryer?
Q: What are the main part of mechanical dryer?
The fan for moving the air through the dryer and the grain;
The air distribution system; and.
The heating system for pre-heating the drying air.
Q: What are the advantages of mechanical drying?
Makes early harvest possible.
It reduces the chances of losses due to over ripening and shattering of seed.
Losses due to rodents and birds are prevented.
Less damage during processing operation.
Q: What is the most efficient drying process?
As one of the leading dryer machine manufacturers in China, we warmly welcome you to buy high-grade dryer machine for sale here from our factory. All our products are with high quality and competitive price.
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