+86-15165069582
jamesyang@jnhimax.com
Search
enLanguage
Home/Products/

Oven Dryer

Oven Dryer

 

Datong Extrusion Machinery: Your Professional Oven Dryer Manufacturer!

Jinan Datong Extrusion Machinery Co.,Ltd was founded in 2012. Our company manufactures a full range of extrusion and puffing equipment, with diverse products, complete after-sales services, and complete supporting facilities. Customers can purchase all the required equipment in one stop. It is currently the main professional manufacturer, manufacturer and R&D manufacturer of extrusion and puffing equipment and its supporting equipment in China.

productcate-540-414
Our Advantages

Rich Experience

Our working team have experienced more than 10 years on extrusion processing.It is one specialized is engaged in the twin-screw and single screw food expanding machinery enterprises, company with research and development, production, sales of all kinds of machinery and complete sets of equipment for the main business, my company brings together industry expert team work for ten years, not only in the best extrusion technology research, more efforts to continuously explore in terms of food technology, so that the customer production to the market leading food.

Wide Product Range

Our mainly products: Snacks food extruder, fish food machine, dog food machine, pet food machine, puff snacks machine，core filling snacks machinery, Corn Puff Snack Extruder, pet chews food machine, pet snacks machine, corn flakes production line, lab twin screw extruder, twins screw extruder, double screw extruder, niknaks machine, cheetos food machine, textured soya protein food machine, soya nugget machine, pellets snacks production line, and so on.

 

Wide Range of Product Exports

At present, the company equipment exported to Europe, Egypt, Jordan, South Africa, Iran, Italy, France, the Netherlands, UK, Russia, Turkey, Ukraine, belarus, America: Canada, the United States, Chile, suriname, Brazil; Africa: Brazil, Malawi, mozambique, Nigeria and Congo (cloth), lesotho, Asia: Burma, Vietnam, the Philippines, Thailand, Indonesia, Malaysia, India, kazakhstan, kyrgyzstan, uzbekistan, north Korea, Afghanistan, Iran, Lebanon, tajikistan and other countries.

Excellent Customer Service

Installation + training: After delivery, according to the needs of the purchasing customer, the after-sales service personnel will arrive at the designated place of the customer, to install the equipment in time.
Service + tracking: After-sales service personnel need to do a follow-up survey of each customer responsible for their own use of equipment, and conduct detailed records and targeted problems to solve.

 

First 12 Last 1/2

Introduction to Oven Dryer

 

 

An oven dryer is a heated chamber used to remove water, moisture, and other solvents from objects. These ovens typically have a fan or turbine which sparks the convection process that heats and dries the materials inside.

Types of Oven Dryer

 

Conveyor Dryers
Conveyor dryers are used in processes that require continuous production of small and medium-sized products. They also make a great choice if your factory employs automated mass production as they fit perfectly in most production lines.

 

Vacuum Drying Oven
These versatile machines are used mostly in engineering, research, and other industries that may require drying in a low-pressure environment. Vacuum drying ovens also minimize oxidation and may even include an automated digital interface for monitoring purposes.

 

Convection Drying Ovens
Convection drying ovens rely on high temperatures to gently accelerate the dehydration process. These pieces of equipment make a great choice for pre-heating, aging, baking, sterilization, and thermal storage.

 

Rotary Drying Ovens
Often used in the metal manufacturing industry, rotary drying ovens allows for faster drying times without oxidation. These dryers often feature an energy-efficient design that may interlace with additional processes, keeping their operating costs low.

 

Flotation & Roll Support Web Dryers
These specialized drying ovens are used in web and fabric coating, packaging, and textile manufacturing. Flotation and roll support web drying usually feature a stable airflow and precise temperature control, resulting in improved overall efficiency.

 

Vertical Tower Dryers
Many factories may benefit from a new drying oven, but they lack the space in their facility for such addition. These companies usually need to outsource some of their operations, which increases their expenses in the long run.
Vertical tower dryers are a great solution as they make optimal use of space while still adding an industrial drying oven to your operation. This can help reduce your overall costs while improving quality and turnaround time simultaneously.

Key Features of Oven Dryer
 

Temperature Control
Oven dryers have temperature control systems to regulate and maintain the desired drying temperature. They typically feature digital or analog temperature controllers, thermocouples or temperature sensors, and heating elements such as electric heaters or gas burners. The temperature range depends on the specific requirements of the drying process.

 

Air Circulation
Oven dryers facilitate the efficient removal of moisture or solvents by circulating heated air within the chamber. Fans or blowers are often incorporated to ensure proper airflow and promote uniform drying throughout the oven. Adequate air circulation helps prevent the formation of hot spots and enables consistent moisture removal from the materials.

 

Ventilation
Some oven dryers include ventilation systems to remove moisture, solvents, or byproducts emitted during the drying process. Proper ventilation helps maintain the desired drying environment, prevent condensation, and minimize the accumulation of fumes or odors.

微波加热设备

 

微波锂电池干燥机

Insulation
Oven dryers are typically insulated to reduce heat loss and improve energy efficiency. They are constructed with insulating materials such as ceramic fiber, mineral wool, or high-temperature insulation boards. The insulation helps maintain the desired temperature inside the oven and prevents excessive heat transfer to the external environment.

 

Safety Features
Oven dryers incorporate safety features to ensure operator safety and prevent accidents. These may include temperature limit controllers, safety interlocks, emergency shut-off systems, and appropriate ventilation or exhaust systems to handle any potentially hazardous substances or fumes emitted during the drying process.

 

Material Compatibility

Oven dryers are designed to accommodate various materials and products. The interior of the oven is typically made of materials that can withstand high temperatures and resist corrosion or chemical reactions. Common oven chamber materials include stainless steel, aluminum, or specialized coatings, depending on the specific drying application and materials being processed.

 

Wide Applications
Oven dryers have a wide range of applications, including drying of pharmaceuticals, food products, textiles, ceramics, plastics, chemicals, and more. They can be used for moisture removal, solvent evaporation, curing of coatings, or heat treatment of materials.

Benefits of Oven Dryer

 

Consistency and Precision

Oven dryers are designed to maintain precise temperature and humidity levels, ensuring consistent product quality. This consistency is essential for meeting consumer expectations and complying with food safety regulations.

Efficiency

Oven dryers are highly efficient, enabling large-scale production with reduced labour costs. Their ability to handle high volumes of products at once makes them invaluable in the fast-paced world of food processing.

Reduced Cooking Times

The use of convection ovens, rotary ovens, and tunnel ovens significantly reduces cooking times compared to traditional methods. This not only boosts efficiency but also minimises the risk of overcooking or undercooking.

Energy Efficiency

Many industrial oven dryers are designed to be energy-efficient, reducing operating costs and environmental impact. Some ovens incorporate advanced insulation and heating technologies to minimise energy consumption.

Extended Shelf Life

Drying ovens and dehydrators remove moisture from food products, inhibiting the growth of spoilage microorganisms. This extends the shelf life of various food items, reducing waste and ensuring product availability.

Food Safety

Oven dryers play a critical role in ensuring food safety by pasteurising and sterilising products. This kills harmful bacteria and pathogens, making the food safer for consumers.

Flexibility

Oven dryers come in various sizes and configurations, allowing food processors to choose the equipment that best suits their specific needs. This adaptability is crucial for businesses of all sizes, from small bakeries to large-scale food manufacturers.

Improved Product Quality

Oven dyers are designed to preserve the taste, texture, and appearance of food products. Proper baking, drying, and roasting techniques ensure that the end products are of high quality, meeting or even exceeding consumer expectations.

Customisation

Food processing is a diverse industry, and different products require different treatments. Oven dryers can often be customised to meet specific processing requirements, making them versatile and adaptable.

 
Application of Oven Dryer
 
01/

Baking and Curing
Two common uses for oven dryers are baking and curing, both of which may be done with food. These oven’s precise temperature control ensures the best possible uniformity and quality in baked or cured foods. Industrial ovens provide a consistent and reliable baking process that is ideal for bulk production of bread, pastries, cakes, and cookies. Fish and meats are controlled and well preserved through the curing process, which is also carried out in industrial ovens.

02/

Food Sterilization and Pasteurization
Oven dryers can also be used for pasteurizing and sterilizing food. Industrial Oven Manufacturers create these oven dryers with the goal of eradicating harmful microbes and illnesses so that food is fit for human consumption. Manufacturers use industrial ovens to make sure products like canned foods and baby food are safe and clean.

03/

Dryness and Desirability
Foodstuffs can also be dried and dehydrated in industrial oven dryers. Drying goods in these ovens extends their shelf life and enhances their quality. Oven dryers are used to make dried fruits, vegetables, and meats because they offer a dependable and efficient method of dehydration.

04/

In Order to Cook and Roast
Oven dryers are used to cook and roast food products of all types. These ovens are able to precisely and efficiently prepare the food, allowing it to be cooked to the ideal consistency and temperature. When nuts, snacks, and meat products are roasted in an industrial oven, the result is consistently prepared food.

 
Factors To Consider When Selecting Oven Dryer
 

Temperature
When it comes to oven dryers, temperature control is paramount. The inability to maintain specific heating conditions can lead to subpar performance or, worse, complete failure of parts. Typical temperature controls include analog, microprocessor, and programmable proportional integral derivative controllers, or PID controllers.

 
 

Uniformity
Temperature uniformity is also an important feature to assure all products being testing or used in your heating process receive the same consistent temperature exposure.

 
 

Airflow
The movement of air in an oven dryer impacts performance like heat up times and temperature uniformity. Airflow patterns can be vertical, horizontal, or a combination of both. The texture, shape, and type of the material heated play a role in airflow design and implementation. 

 
 

Power Sources
Industrial oven dryers are typically powered by electricity, hot water, microwaves, or and loaded by hand, forklift, or conveyor system.
Electric oven dryers are renowned for their ability to heat up quickly and control temperatures precisely. As a result, production time and processing costs are optimized. This oven type is suitable for various functions, such as baking, annealing, powder coating, and curing of paints, coatings, or finishes.
Infrared Oven dryers utilize high-intensity lighting to maximize production while minimizing energy usage, infrared ovens are ideal for applications that require precision and speed. Electromagnetic radiation quickly brings the oven to full power and provides consistent heating mainly to surfaces.
The difference to microwaves is the penetration depth (microwaves are volumetric heating) and selectivity (microwaves are more selective to materials).

 
 

Size
Oven dryers range from small benchtop, reach-in, floor model, walk-in ovens. Special designed ovens are customized to specific processes such as conveyor ovens, batch ovens and industrial ovens for automated processes.

 
 

Controls
Controls are another item to consider ensuring processes can be easily controlled and monitored. Features such as easy to use touch screen interface, control from PC, smart phone or tablet along with data collection, trend graphs, maintenance alerts, and user security should be considered.

 
Maintenance of Oven Dryer

 

Regular Cleaning and Inspection
Regular cleaning is one of the most fundamental maintenance tasks for oven dryers. The accumulation of dirt, residue, and contaminants can affect the oven’s performance and even pose safety risks. Here’s what to focus on:

  • Interior Cleaning: Remove any debris, residue, or build-up from the oven’s interior. Pay particular attention to the heating elements, fans, and vents. Use appropriate cleaning agents and ensure the oven is cooled down before cleaning.
  • Airflow Paths: Ensure that airflow paths, such as fans and ducts, are clear of obstructions. Restricted airflow can lead to uneven heating and longer processing times.
  • Inspect Seals and Gaskets: Check door seals and gaskets for signs of wear or damage. Damaged seals can lead to heat loss and reduced efficiency.
  • Ventilation: Ensure that the oven’s ventilation system is working correctly. Adequate ventilation is crucial to prevent the accumulation of fumes or gases that could be hazardous.

 

Lubrication and Moving Parts
Industrial oven dryers often have moving parts such as conveyors, fans, and dampers. Regularly lubricate these components to prevent friction, which can lead to premature wear and tear. Keep an eye out for loose or damaged parts and replace them promptly to avoid more extensive damage.

 

Calibration and Temperature Control
Temperature control is critical in industrial oven dryers, especially when precision is required. Regularly calibrate temperature sensors and controllers to ensure accuracy. This helps maintain product quality and prevent overheating or undercooking.

 

Electrical Components
Industrial oven dryers rely heavily on electrical components, including wiring, switches, and heating elements. Inspect these components regularly for signs of wear, loose connections, or corrosion. Faulty electrical components can pose significant safety risks and should be repaired or replaced promptly.

 

Preventive Maintenance Schedule
Implementing a preventive maintenance schedule is perhaps the most important tip for industrial oven dryer maintenance. Create a comprehensive plan that includes regular inspections, cleaning, lubrication, and calibration. Assign responsibilities to trained personnel, and keep detailed records of all maintenance activities.

FAQ

Q: What are the applications of oven dryers?

A: Oven dryers are useful in the electronic industry for drying electrical items, circuit boards, electronic chips, etc.
Oven dryers can be used for degassing epoxy resins.
Oven dryers 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.
Oven dryers 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.
Oven dryers 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.
Oven dryers 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.

Q: What to look for when choosing oven dryer?

A: Soak Time: This is the time required for the product or material to reach a specific process temperature, and that too for a specified period of time. Programmable controllers are used in the ovens, which start timing the soak cycle only when the thermocouple senses that the set temperature is reached. So, the first thing to consider is checking whether the drying oven has a programmable controller with a proper soak time adjustment.
Heating Rate: Heating rate or heat-up rate refers to the capability of an industrial oven to heat the product in a specific amount of time. A drying oven should have a sufficient heating rate. Along with checking the heat-up rate of the industrial drying oven, you should also check the size and shape of the material, and its thermal conductivity.
Cooling Rate: The ambient, cooler air replaces the heated air in the oven, in order to achieve cool down. The cooling rate of the oven is controlled by adjusting the oven temperature with the help of programmable controls. So, the final thing that you would like to check is whether the cooling rate, or cool-down times of the oven are suitable, or not.

Q: How to keep the industrial drying oven in peak working condition?

A: Scheduling preventive maintenance programs at regular intervals largely help industrial drying ovens to maintain their quality and run efficiently. Personnel conducting the preventive maintenance should thoroughly check the following:
Fans and Motors: Belts, fan bearing and exhaust fans must be checked in detail. It is important to ensure that the belts are free from any kind of wear and damage, and fan bearings are thoroughly lubricated. Moreover, exhaust fans in the drying ovens must be examined and cleaned as per the instructions in the user manual.
Exhaust System: The next vital part that is prone to damage is the exhaust system. Therefore, it requires periodic check and proper maintenance. During preventive maintenance, exhaust ducts, exhaust fan blades, and exhaust discharge point(s) need to be methodically inspected for any kind of damage. Clean the parts to prevent residue build up in their interiors.
Fire Suppression System: To assure proper functioning, fire suppression system of the industrial drying oven should be inspected regularly and maintained properly. It is crucial to inspect and clean all the fire sprinkler heads to guarantee efficient and safe operation.
Electrical and Control Systems: All electrical connections and motor load currents must be inspected meticulously to keep your process operating at peak production levels. If any heating or control system is found faulty, do not wait until the issue gets escalated. Service or replace the part immediately.
Heating Elements: Drying ovens fail to provide expected performance if their heating elements are damaged. Hence, when conducting preventive maintenance, do inspect heating elements and check whether they are dislodged or distorted. Clean the elements thoroughly and tighten all the loose elements.

Q: Which performance parameters of the oven dryer are the most important?

A: Drying Rate
During convection drying, the material is highly dispersed in hot air, the critical moisture content is low, and the drying speed is fast. Although the same is convective drying, the required moisture content is different in different drying methods, so the drying rate is also different.
Energy Consumption of The Dryer
With different drying methods, the energy consumption index of the dryer is also different. The thermal efficiency of convection drying can only be about 70% in theory, and the thermal efficiency of conductive drying can reach 100% in theory.
Air Duct Circulation System
A high-quality air duct circulation system can greatly improve the efficiency and effect of drying. Many excellent drying ovens have air convection and breeze devices, the air in the inner cavity can be renewed and circulated, and the water vapor inside the oven can be automatically discharged without manual adjustment.
Temperature Limit Alarm System
The dryer with automatic temperature control and an independent temperature limit alarm system is safer. Besides, it will be automatically interrupted when the temperature exceeds the limit, reducing the risk of accidents.
Communication Interface
The dryer with a communication interface can be connected to a recorder or a computer to record changes in temperature parameters, which is convenient for statistics of experimental data.

Q: What features should an oven dryer need to have?

A: Data Collection Mechanism
There are several elements that affect the temperature inside of your oven dryer. Some oven dryers come equipped with mechanisms that record the temperature inside them at all times, allowing you to study certain patterns that may help you make adjustments and improve productivity.
Once you collect a certain amount of data, you can analyze it and identify periods when your dryer’s efficiency is lower than normal. You can work on normalizing these periods by making different changes to your process.
Digital Temperature Control
While many engineers prefer gauges, having digital control pads and displays simplifies the process for your entire staff. By making sure your pieces of equipment have digital displays, you will allow them to easily maintain the accuracy of their inputs and readings as well (source).
Static Connection Ports
The best dryers and ovens come equipped with static connection ports that can be used for multiple purposes. They are often implemented to rout current and potentially future test wires and probes to other pieces of equipment without the need for removing or modifying structural and cosmetic components.
Motorized Supply and Exhaust Fans
Like all pieces of heavy machinery, ovens and dryer need to have quality supply and exhaust fans to maintain optimal performance. These can work to help cool, heat or exhaust the oven and even serve as a piece of an independent energy recovery system.
The Right Heat Source
The manufacturing process sent to your oven will also dictate the heat source you will use. The most common sources are gas, electric, and indirect heating mechanism, all of which have their own set of benefits. Make sure you do your research and find a reliable provider that can answer all your questions.

Q: What are the functions of oven dryer?

A: Annealing — A process that relieves a material’s (such as glass) internal stresses using heat. In the cooling process, the material increases in strength.
Calcining — This is the process where ores or solid materials containing calcium are subjected to heat to aid phase transition. The result can either be the removal of volatile chemical composition or the decomposition of calcium bicarbonate to calcium dioxide or calcium oxide.
Burn-in Testing — Electronic components go through burn-in testing to gauge their capacity to withstand applied heat.
Sterilization — Glass and metal devices used in the pharmaceutical and medical industries go through sterilization by heating. The process kills bacteria and other harmful microorganisms, thus rendering the materials safe for use.
Incubation — This is the maintenance of humidity and heat for various purposes, including the culturing of bacteria in research laboratories.
Sintering — The process by which heat is introduced to compact a material without reaching its melting point. The result is improved durability.

Q: What is the purpose of using oven dryer in the food processing industry?

A: In the food processing industry, oven dryers play a crucial role in dehydration and preservation of food products, guaranteeing consistent quality and prolonged shelf life. By maintaining precise temperature control, ovens drying to ensure the safety and excellence of food products, making them an essential piece of equipment in food processing plants.

Q: What is the difference between a oven dryer and a regular oven?

A: Oven dryers are specifically designed to remove moisture from the chamber in order to quickly dry samples, as they introduce fresh dry air to the work chamber while simultaneously expelling warm moist air. In contrast, regular ovens are designed to heat or cook and simply recirculate the same air around the chamber.

Q: What is the working process of oven dryers?

A: Loading your batch: When you’re ready to begin using your oven dryer, it’s essential to have the proper product load. To raise the product temperature to the desired level, you have to consider the heat your load requires, losses from the exhaust system and wall and heating the oven to the ideal temperature prior to loading.
Heating the oven: With the right equipment, you can ensure your products reach the required temperatures and remain there for the duration of the process. You can reach your required set-point in one of two ways. Either you can load your batch, set the desired temp with a set-point controller and run the oven until it reaches it, or you can use a ramp or soak programmer, which allows you to create several set points as well as plateaus.
Regulating temperature: As the oven heats your product, you have to ensure the temperature remains properly regulated. Soak times are a helpful technique, as they involve using a thermocouple to measure the temperature variance between the product and the surrounding oven space.
Cooling down: When the process is complete, you need to cool down the oven. You’ll need to find a way to properly exhaust the hot air while allowing the room temperature air to enter the oven and circulate. This process can be manual, or you can control it with a programmer.

Q: What are the precautions for using oven dryers?

A: Reasonably arrange the placement of samples to ensure that the samples can be heated and distributed evenly.
Do not accumulate excessive debris or samples inside the equipment, avoid the equipment is overloaded or overheated, resulting in equipment damage or inaccurate test results.
Before using the equipment, it is necessary to carry out preheating treatment to ensure that the equipment can reach the required temperature.
According to actual needs, reasonably select the heating power and precision of the industrial drying oven to avoid inaccurate test data due to mismatching equipment parameters.
During the use of the equipment, the heating changes and test data are recorded in time, and analyzed and processed as needed.

We're professional oven dryer manufacturers and suppliers in China, specialized in providing high quality products. We warmly welcome you to wholesale bulk oven dryer at competitive price from our factory.

pasta production reduction, large scale pasta production, multi functional pasta production line

(0/10)

clearall