1.Laboratory Freeze Dryer:
(a)10 series
Lab Scales Desktop(Freeze-dried material 1.5-2KG)
(b)12 series
Lab Scales Vertical(Freeze-dried material 2KG)
(c)18 series
Scientific Research Scales(Freeze-dried material 3KG)
2.Pilot Freeze Dryer:
0.2m²/0.3m²/0.5m²/1m²/2m²/---Pilot Scales(Freeze-dried material 3KG-20KG)
3.Customization: set up the specifications you need
(a)Freeze-dried Area
(b)Freeze-dried Weight
(c)Freeze-dried Material
(d)Interlayer Quantity/Size
(e)Cold Trap Temperature
Blast drying oven, also known as hot air circulation oven or air circulation drying oven, is a widely used equipment in laboratories, industrial production, and other fields. It uses forced convection to evenly blow hot air over the surface of the material, heating it and evaporating water, thereby achieving the purpose of drying. The drying oven has the advantages of simple operation, good drying effect, and wide applicability, making it the preferred drying equipment in many industries. As an efficient, energy-saving, and environmentally friendly drying equipment, it plays an important role in fields such as chemical, pharmaceutical, food, agriculture, and scientific research. With the continuous progress of technology and the increasing demand for product quality, the drying oven will usher in broader development space and better development prospects.
Product Structure & Model
The working principle of a blast drying oven can be summarized into three main steps: heating, ventilation, and dehumidification.
Heating: The interior of the drying oven is usually equipped with heaters, which can be electric heaters or gas heaters. When the heater starts, it will convert electrical or gas energy into thermal energy, causing the temperature inside the box to rise. During the drying process, the heater will continuously provide thermal energy to maintain the temperature inside the drying box stable within the set drying temperature range. Ventilation: There is also a blower inside the drying oven, which is mainly used to generate strong air. When the blower is working, it will blow hot air into the box, causing the moisture on the surface of the wet object to quickly evaporate and take away some of the heat. In this way, the moisture inside the item will gradually be removed, achieving a drying effect.
Dehumidification: During the drying process, the moisture on the surface of the item will gradually evaporate, forming water vapor. In order to maintain the humidity inside the box within a certain range, a humidity control system is also installed inside the blast drying box. This system can detect the humidity inside the box and control the operation of the dehumidification equipment based on the set value. The dehumidification equipment can be a hygroscopic agent, dehumidifier, or dehumidification fan, etc. They can gradually reduce the humidity inside the box, ensuring that the items are completely dry within a certain period of time.
In summary, the working principle of a drying oven is achieved through three steps: heating, ventilation, and dehumidification. The heater provides heat energy to raise the temperature inside the box; The blower generates strong wind, blowing hot air into the box and taking away the moisture on the surface of the item; The dehumidification equipment controls humidity to reduce the humidity inside the box, ensuring that the items are completely dry. This working principle makes the drying oven an efficient and practical drying equipment.
Product Parameter
Blast Drying Oven
NO.
AC32-1
AC32-2
AC32-3
AC32-4
AC32-5
AC32-6
AC32-7
AC32-8
AC32-9
AC32-10
AC32-11
AC32-12
AC32-13
AC32-14
Model
DHG-9030A
DHG-9070A
DHG-9140A
DHG-9240A
DHG-9420A
DHG-9620A Vertical
DHG-9920A Vertical
DHG-9035A
DHG-9055A
DHG-9075A
DHG-9145A
DHG-9245A
DHG-9425A Vertical
DHG-9625A Vertical
Voltage (V/Hz)
220/50
Temp. Range (°C)
RT+10~250
RT+10~300
Temp.fluctuation (°C)
0.1±1
Working Temp. (°C)
+5~40
Input Power (W)
850
1100
1550
2050
3500
4000
6000
850
1100
1550
2050
2400
3500
4000
Capacity (L)
36
72
148
205
351
655
960
36
60
72
148
205
486
655
Inner Dimension (mm)
340*315*345
400*400*450
550*490*550
600*570*600
750*670*700
840*600*1300
1000*600*1600
340*315*345
430*390*360
400*400*450
550*490*550
600*570*600
640*585*1300
840*600*1300
Overall Dimension (mm)
630*620*500
685*680*630
840*830*715
895*910*835
1050*960*930
1120*920*1800
1300*960*2000
630*620*500
700*650*520
685*680*630
840*830*715
895*910*835
960*920*1800
980*800*1880
Shelves (Pcs)
2
2
2
3
3
4
5
2
2
2
2
2
4
4
Material
Stainless steel
Time Range (Min)
1~9999
Products Structure
The structural characteristics of the drying oven are mainly reflected in the following aspects:
Air duct structure: The drying oven adopts the principle of circular air wave simulation air circulation, which ensures the highly uniform and stable temperature of the inner container. Temperature safety device: The drying oven has an independently adjustable temperature safety device that can be adjusted according to user needs, providing a dual protection system and improving the safety factor of the system. High precision temperature sensor: The equipment adopts high-precision temperature sensors, such as the HONEY WELL PT100 three core sensor, which has small errors and can accurately detect internal temperature. Motor design: The drying oven usually uses imported motors, such as the NEISTER motor. This type of motor is resistant to high temperature and humidity, has low noise, and small swing amplitude, which is conducive to ensuring temperature uniformity inside the box. Mobile partition: In order to facilitate users to adjust the height of the partition according to their needs, the blast drying box is designed with a mobile partition, making use more user-friendly. High temperature resistant door switch: When the door is opened, the fan quickly stops, and this design prevents the internal temperature from rapidly dropping, thereby ensuring the drying effect. Box design: The box of the drying oven is usually processed and formed by CNC machine tools, with a beautiful appearance. The inner liner is made of high-quality mirror stainless steel plate, and the outer shell is sprayed with A3 plate, which enhances the durability and aesthetics of the equipment. Circuit system: The circuit system side adopts a gate opening, which is convenient for maintenance and repair. Insulation system: The insulation system uses ultra-fine glass fiber to fill the insulation area, and non-metallic high-temperature resistant materials are used for the connection parts of the inner and outer tanks, effectively reducing temperature conduction.
Product Features
The advantages of a blast drying oven mainly include the following aspects:
01/
Efficient drying:
The Drying Oven adopts a forced convection method, allowing hot air to circulate in the box and fully contact the materials, thereby achieving efficient and uniform drying effects. This drying method not only improves drying efficiency, but also helps to avoid material damage due to local overheating.
02/
Easy to operate:
The drying oven is equipped with a convenient operating interface, allowing users to easily set parameters such as temperature and time. At the same time, the device also has an automatic timing function, which eliminates the need for manual monitoring and simplifies the operation process.
03/
Widely applicable:
The drying oven can be applied in various fields, such as industrial production, laboratories, research institutions, etc. At the same time, it can also be used for drying, baking, heating, and insulation operations of various materials, and has a wide range of applicability.
04/
Energy saving and environmental protection:
The drying oven adopts advanced heating methods and efficient insulation materials, reducing energy consumption. Meanwhile, the equipment generates less exhaust gas during the drying process, which is beneficial for environmental protection.
05/
Good usability:
The box and heating elements of the drying oven are made of high-quality stainless steel and high-temperature resistant materials respectively, thus having a longer service life and lower maintenance costs. In addition, the electrical control system of the equipment has also been carefully designed, with high stability and reliability.
Product Application
1. Food and Agriculture:
In the field of food, drying ovens are commonly used for drying food ingredients such as grains and medicinal herbs. In addition, in the agricultural field, blast drying boxes are also used for seed drying treatment to ensure the quality of seeds.
2. Research and education fields.
The blast drying oven also plays an important role in scientific research and education. In laboratory research, blast drying boxes are often used for sample pretreatment, drying of experimental materials, and preservation of experimental results. Provided reliable experimental conditions for researchers. In addition, drying ovens are widely used in laboratory teaching in universities and secondary education institutions, helping students understand drying principles, master drying techniques, and cultivate their experimental abilities and scientific research literacy
3. Environmental protection and energy sectors
In the fields of environmental protection and energy, blast drying boxes also play an important role. For example, in the wastewater treatment process, a drying oven can be used for the drying treatment of sludge. Through a high temperature and humidity dry environment, water and harmful substances in sludge can be effectively removed, achieving reduction and harmless treatment of sludge. In addition, the drying oven can also be used for drying and preparing new energy materials such as solar and wind energy, providing technical support for the development of the new energy industry.
4. Industrial production:
In industrial production, blast drying boxes also play an important role. For example, it is used for drying grains and medicinal herbs. In industries such as plastics, rubber, and fiber products, drying ovens are also used for high-temperature aging tests to accelerate the development process of products.
Others
The blast drying oven mainly uses electric heat transfer and forced convection mass transfer to dry materials. Specifically, it has an electric heating tube inside that generates heat through electricity, and is also equipped with a fan that drives air flow to form convection. Hot air is rapidly transferred to the material to be dried through forced convection by a fan, thereby accelerating the evaporation of surface moisture and achieving the drying effect.
Characteristic
1. Structural design:
The inside of the box is usually made of mirror stainless steel (or brushed plate) argon arc welding, while the outside of the box is made of high-quality steel plate, which has a beautiful and novel shape.
According to different usage requirements, the blast drying oven can be divided into different types such as vertical and desktop. The vertical blast drying oven has a large power and structure, suitable for drying large products or materials; The desktop blast drying oven is compact and easy to move, suitable for small experiments or laboratory use.
2. Temperature control:
The blast drying oven adopts a microcomputer temperature controller with temperature control protection and digital display, ensuring precise and reliable temperature control. Some high-end models also have RS485 interfaces, which can connect recorders and computers to record changes in temperature and humidity parameters.
The temperature control range is wide, usually adjustable between 10 ℃ and 300 ℃ above room temperature, and some high-temperature blast drying ovens can even reach a high temperature of 600 ℃.
3. Hot air circulation:
The hot air circulation system consists of fans that can operate continuously at high temperatures and suitable air ducts to ensure uniform temperature inside the working room. This enables the blast drying oven to maintain a stable temperature environment during the drying process, improving the drying effect.
4. Security performance:
The blast drying oven has an independent temperature limit alarm function, which automatically interrupts operation when the temperature exceeds the set limit, ensuring the safe conduct of the experiment.
The outer shell of the box is usually made of high-quality steel plate, which has good thermal insulation performance, reduces heat loss, and ensures the safety of operators.
Precautions for use
When using a blast drying oven, the following points should be noted:
21.
During the constant temperature process, the temperature is automatically controlled by the internal temperature controller in the box, without the need for manual management. But it is important to regularly check the operation of the equipment.
01
2.
Do not place the test sample too tightly or overloaded to avoid affecting the convection of hot air and drying effect.
02
3.
Flammable and volatile substances should not be placed in the drying oven to avoid accidents such as fires.
03
4.
After use, the power should be turned off promptly and the inside of the drying oven should be cleaned to keep it clean and dry.
04
5.
Temperature calibration: Regularly calibrate the temperature sensor of the drying oven to ensure the accuracy of temperature measurement. Especially during seasonal changes or when the equipment has not been used for a long time, calibration is even more necessary.
05
6.
Safe grounding: Ensure that the shell of the air drying oven is well grounded to prevent electric shock accidents caused by electrical faults.
06
7.
8. Wind door adjustment: Adjust the size of the air door reasonably according to the moisture level of the dry item and the required drying effect, in order to optimize air convection and drying efficiency.
07
8.
9. Avoid overload: Do not put too many items in the drying oven to avoid overloading and causing equipment overheating or damage.
08
9.
Maintenance: Regularly clean and maintain the air drying oven, including cleaning dust, checking the working status of heating elements and fans, etc. When not in use for a long time, unplug the power plug and put on a dust cover.
