Differences Between Thermal Oil Boilers and Steam Boilers.

Many friends may encounter this problem when buying boilers for product drying or high-temperature heating: is it better to use a steam boiler or a thermal oil boiler? The two have their pros and cons. First, let's look at the differences between thermal oil boilers and steam boilers, and then make a right choice.

We need to compare these 12 aspects of the difference between the thermal oil boiler and the steam boiler.

1. Thermal Efficiency Comparison.

The thermal efficiency of the thermal oil boilers is 10% lower than that of steam boilers of the same fuel. For example, oil/gas-fired boilers, thermal oil boilers are only 85%, and steam boilers can reach 95%.

2. Purchase Costs Comparison.

The price of thermal oil boilers is similar to that of steam boilers. Under the same boiler capacity, the price of thermal oil boilers is slightly lower than that of steam boilers.

3.  Operating Costs Comparison.

1. The operating cost of thermal oil boilers is higher than that of steam boilers. (The higher the thermal efficiency, the lower the operating cost.)

2. The hot oil needs to be replaced regularly, but water is not.

3. Thermal oil boilers do not require a water treatment system, while steam boilers do.

4. Hot Oil and Water Comparison.

1. When Boilers shut down.Thermal oil boilers are no need to worry about the boilers being frozen in the cold area. Steam boilers have to drain the water to prevent the boiler from freezing and cracking. Use the dry method to protect the boiler.

2. Thermal oil boilers do not need to worry about boiler corrosion due to the particularity of oil, steam boilers do.

3. Thermal oil boilers do not need to consider the sewage problem, steam boilers do.

5. Temperature comparison.

Thermal oil boilers can provide temperatures up to 350°C, and steam boilers can provide superheated steam, temperatures up to 540°C.

6. Boiler Operating Pressure Comparison.

Thermal oil boilers can be operated under normal pressure. Steam boilers are divided into low-pressure, medium-pressure, high-pressure, subcritical, supercritical and other boilers according to different pressures.

7. Comparison of heating methods.

Thermal oil boilers can only supply heat in the pipeline, while Steam boilers can be in contact with the product.

8. Boiler Operators Require Comparison.

Industrial thermal oil boiler systems do not require a licensed boiler operator. But steam boilers need.

9. Operation comparison.

The start-up and shutdown of thermal oil boilers is a long process, and the time for steam boilers is relatively shorter.

10. Security comparison.

Steam boilers need to be verified by the national government before it can be installed.

Thermal oil boilers don't need.

11. Boiler Capacity Comparison.

Thermal oil boilers can achieve 12 million kcal ≈20T/h. Steam boilers can be bigger.

12. Comparison of application industries.

Thermal oil boilers are more suitable for industries that do not need to be in contact with products, such as petrochemicals, textiles, printing and dyeing, plastics, rubber, food processing, wood processing, asphalt heating, carton production, vegetable dehydration, baking paint, and casting sand mold drying. Steam boilers are suitable for almost all industries.

Suggest:

The exhaust temperature of thermal oil boiler systems is very high, which will be around 300℃. I highly suggest that you buy a waste heat boiler when you purchase a thermal oil boiler, which can be used to produce hot water, steam, or power generation. The thermal oil boiler system equipped with a waste heat boiler. The thermal efficiency can reach 90~98% (according to fuel condition).

We should consult the opinions of engineers when buying boilers, and then determine what kind of boiler to choose. Hope this article will let you know the differences between the thermal oil boiler and steam boiler. Bring your help in the process of choosing your boiler.