Drying Ovens TD (Dehydrators)

Technical Data

• Brand
  Thermoline
• Capacity
  80L - 700L
• Models Available
  Six
• Temperature Range
  Ambient +10°C to +200°C
• Electrical
  6.5A-15A/230V
• Castors
  Yes

Downloads

• Product Brochure
• Thermoline Capability Statement

Support

At Thermoline, we strive to supply helpful customer support to ensure that you get the most out of our products. We are committed to providing whatever support our customers need, wherever they are in the world. If you can't find your solution in the below FAQs or Knowledge Base, please contact our friendly support team.

What is the difference between a lab oven and a drying oven?

A drying oven is design to remove moisture from the oven chamber by introducing dry air into the chamber. These ovens are typically designed to provide a consistent and low humidity environment, which is important for drying materials effectively. Drying ovens often feature a vent or exhaust system that allows moisture to be removed from the oven workspace. Generally speaking, a regular lab oven does not exhaust air so the moist air may continue to circulate inside the chamber.  

What is the difference between Oven and Incubator?

A laboratory oven and a laboratory incubator are both commonly used in laboratory settings, but they have different purposes and functions.

A laboratory oven is used for drying, heating, or sterilising materials and is typically designed to operate at higher temperatures than a laboratory incubator. A laboratory oven typically uses air convection to circulate hot air throughout the chamber, and can be set to a specific temperature or temperature range. Ovens generally control temperatures +80°C and up.

A laboratory incubator, on the other hand, is used for maintaining a controlled, temperature-regulated environment for cell cultures, microbiological specimens, or other biological materials. Unlike a laboratory oven, a laboratory incubator is designed to maintain a temperature close to the physiological temperature of the material being incubated, usually between 30°C and 40°C. A laboratory incubator can also provide additional functions, such as humidity control and CO2 control, which are essential for the growth and maintenance of many types of cells and biological specimens.

What is a lab drying oven used for?

A laboratory drying oven is a device used to dry, warm, or bake a variety of laboratory samples, reagents, and other materials. Some typical applications of laboratory drying ovens include:

1. Drying of moisture-sensitive samples: For example, samples such as powders, granules, and solvents can be dried to remove any residual moisture that might interfere with subsequent experiments.

2. Sterilisation of equipment and materials: By heating samples to high temperatures, laboratory drying ovens can be used to sterilise equipment and materials, reducing the risk of contamination.

3. Curing of coatings and adhesives: Some coatings and adhesives require heat to be applied to cure properly. Laboratory drying ovens can provide a controlled heating environment for these applications.

4. Thermal analysis: In some cases, laboratory drying ovens are used to subject samples to controlled temperature changes to perform thermal analysis experiments.

Can the Thermoline drying oven be used for processing coal samples?

The Thermoline dry oven range is ideal for coal processing. Drying coal samples is an important step in the preparation of coal for analysis. The drying process helps to remove moisture from the coal samples, which can interfere with the accuracy of the analytical results. Here are the steps to dry out coal samples:

1. Pre-weigh the coal sample: The coal sample should be weighed before the drying process, as the weight will be used to calculate the moisture content of the coal.

2. Place the coal sample in an oven: The coal sample should be placed in a laboratory drying oven, or a similar device, and set to a temperature of about 110°C. The temperature should not exceed 150°C as this can result in a loss of volatile matter.

3. Monitor the drying process: The coal sample should be monitored regularly to ensure that it is drying evenly and to avoid overheating. This can be done by visually inspecting the sample or by using a moisture analyzer.

4. Remove the coal sample from the oven: The coal sample should be removed from the oven once it has reached a constant weight, indicating that it has been completely dried.

5. Weigh the dried coal sample: The dried coal sample should be weighed again to calculate the moisture content. The moisture content can be calculated as the difference between the weight of the wet coal sample and the weight of the dried coal sample, divided by the weight of the dried coal sample.

It's important to note that drying coal samples can take several hours to complete, and the specific conditions and procedures may vary depending on the type of coal and the intended use of the dried sample.

What is the process for drying soil samples?

The process for drying soil samples in an oven is as follows:

1. Pre-weigh the soil sample: The soil sample should be weighed before drying to determine the initial moisture content.

2. Spread the soil sample on a tray: The soil sample should be spread evenly on a tray and placed in a laboratory drying oven.

3. Set the oven temperature: The temperature should be between 60°C and 105°C, depending on the soil type and the desired moisture content. It's important to avoid overheating the soil sample, as this can result in the loss of volatile components and affect the accuracy of the results. Soil particles get perfectly dry at 105°C; even the adsorbed water evaporates due to such a high temperature. But some organic soils should not be dried at 105°C because their composition changes at this temperature and some minerals might get lost. So such soils should be dried at 60–80°C

4. Monitor the drying process: The soil sample should be monitored regularly to ensure it is drying evenly. The drying time can vary depending on the amount of soil, the type of soil, and the oven temperature.

5. Remove the soil sample from the oven: The soil sample should be removed once it has reached a constant weight, indicating that it has been completely dried.

6. Weigh the dried soil sample: The dried soil sample should be weighed again to determine the final moisture content. The moisture content can be calculated as the difference between the weight of the wet soil sample and the weight of the dried soil sample, divided by the weight of the dried soil sample.

It's important to note that the specific conditions and procedures for drying soil samples may vary depending on the type of soil, the intended use of the dried sample, and the desired moisture content. It may also be necessary to repeat the drying process multiple times to ensure that the soil sample is dehydrated.

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