Electric Heating Blower Constant Temperature Drying Oven

An electric thermal drum dryer uses heating elements to generate heat and a circulating fan to evenly distribute heated air in the cabinet for rapid, uniform drying. It is used in scientific research, industry, medical and other applications for drying, baking, sterilization, and temperature testing.

An electric thermal drum dryer is a device that generates heat using heating elements and circulates air evenly throughout the chamber with a circulating fan. This enables rapid, uniform drying. It is widely used in scientific research, industry, medical applications and other fields for drying, baking, sterilization and temperature testing.

Category Keywords

Type of equipment Electrothermal drum dryer, Electrothermal constant-temperature drum dryer precision dryer, High-temperature oven

Core functions Drying, baking, sterilization, temperature testing, heat treatment, dehydration drying

Technical features Hot air circulation, intelligent temperature control, timing function, temperature limit alarm, PID self-tuning

Material features Stainless steel inner lid, steel plate spray-treated enclosure, double-glazed glass observation window

Safety features Independent temperature limit alarm, turbine stop protection, ultra high temperature protection

III. Main technical parameters

3.1 General technical parameters

Form

Parameter item  Specifications  Range

Temperature range RT + 10°C ~ 200°C / 300°C (some models: up to 500°C, 800°C, 1200°C)

Temperature fluctuation ± 1°C (precision model: up to ± 0.1°C)

Temperature uniformity ± 2°C

Temperature resolution 0.1°C

Timing range 1 ~ 9999 minutes

Supply voltage AC 220V / 50Hz (380V for some high-power models)

Heating power 2KW ~ 4.5KW (depending on model)

Two carriers (standard), each with a load capacity of approximately 15 kg

3.2 Common model specifications (units: mm)

Form

Model  Internal size  External size  Temperature range

DHG-9030A  340×325×325   625×510×490   RT+10℃~250℃

DHG-9070AD  450×400×450   740×580×630   RT+10℃~250℃

DHG-9140AD  550×450×550   830×650×730   RT+10℃~250℃

DHG-9240AD  600×550×650   880×770×930   RT+10℃~250℃

KLG-9020A  300×300×300   410×400×640   RT+10℃~200℃

KLG-9070A  410×410×410   525×520×750   RT+10℃~200℃

> Data sources:

IV. Structures and materials

Form

Place  Material / Design

Inner tank Mirror stainless steel (SUS304) argon arc welding, or zinc plating

Cases High-quality steel plate spray-treated, rust-proof and aesthetically pleasing

Observing windows Large-area double glazing

Insulation layer Ultrafine glass fiber filling

Wind turbine systems Imported original high-temperature turbines + optimized wind-tunnel design

Control system Smart LCD program controller (optional, 10–30 programming steps)

Safety protection Independent temperature limit alarm system, fan stop switch, ultra high temperature protection

V. Application areas

Form

Industry  Application scenario  Typical temperature

Scientific / laboratory Sample drying, sterilization, temperature testing 60°C – 200°C

Electronics / Semiconductors Component drying, aging testing, moisture-proof storage 50°C – 150°C

Chemical / New materials Raw material drying, curing, heat treatment 80°C – 300°C

Food / Medicine Dehydrated drying, medicinal drying, food processing 40°C – 120°C

Hardware / Electroplating Workpiece drying, oil treatment, surface treatment 100°C – 250°C

Biological experiments DNA sample drying, dish sterilization 60°C – 120°C

> Data sources:

VI. Operational highlights and precautions

6.1 Pre-use preparation

Check that the power line is intact and that grounding is reliable.

Ensure the chamber is clean inside and outside, and that there is no contamination around the heating element.

Check that the seals are intact and that the door can be fully closed.

Place the equipment on a level, well-ventilated surface, away from flammable and explosive materials.

6.2 Standard operating procedures

Turn on the power and switch on the power supply.

Set the operating temperature (the initial temperature should not be too high).

Turn on the drum switch to promote air circulation.

Load the material (spread evenly to avoid excessive thickness accumulation).

Monitor the operating status through the observation window.

After drying is complete, turn off the heating and wait until the temperature drops below 60°C before removing the materials.

6.3 ⚠️ Important safety warnings

Form

Prohibited items  Explanation

Flammable and explosive items must not be placed in the drying chamber for heating to prevent explosion.

Volatile chemicals are strictly prohibited.

Excessive use: It is strictly forbidden to set a temperature higher than the device’s rated maximum temperature.

Unattended operation: Perform regular patrols during operation.

Do not open the door at high temperatures. To the extent possible, avoid opening the door while the chamber temperature is high.

VII. Selection recommendations

Select the temperature range based on the material characteristics: for thermally sensitive materials, choose a low-temperature type (< 100°C); for ordinary materials, select 200°C.

Select the chamber volume based on the load: consider the shape and size of the items and the number of load carriers.

Select the controller according to your precision requirements: display type for general experiments, and intelligent program type for precision experiments.

Select materials based on the operating environment: in corrosive environments, stainless steel casings are recommended.

Spare clearance: maintain at least 30 cm clearance from the wall on the surrounding and rear sides of the chamber.

VIII. Maintenance and servicing

Clean the interior after each use until the chamber is completely cooled.

Regularly check the heating components and the operation of the turbines.

Worn or damaged sealing strips should be replaced in a timely manner.

If the unit will not be used for an extended period, disconnect the power, dry the chamber, and periodically energize the system to dehumidify.