A Story About True Condensing Boiler

2018-06-20 16:09:45

A Story About True Condensing Boiler

Condensing Boilers are gaining popularity lately. Why? And How can a boiler be condensing? Here is the story.

Under the condition of current severe environment situation and rigorous energy conservation requirement, Guangzhou Devotion Thermal Facility Co., Ltd launched its own design of condensing boiler, with the thermal efficiency exceeding 100%.

Devotion Condensing Steam Boilers

How come it exceed 100%?

DEVOTION condensing boiler realizes the breakthrough on product structure design, by perfectly combining the flue gas emission temperature, water vapor condensation and thermal efficiency. It changes such shortcomings as high flue emission temperature and low thermal efficiency for regular boilers, and lowers the flue emission temperature below water vapor’s dew point temperature. Furthermore, it sufficiently utilizes the latent heat of water vapor. Devotion condensing boilers have such advantages as high thermal efficiency as well as low carbon dioxide emission.

Advantages of Devotion Condensing Boilers

Energy-efficient: For regular boiler, latent heat of vaporization for water vapor tail gas can’t be utilized. Devotion condensing boiler overcomes the weakness above-mentioned.  The flue emission temperature is obviously lowered, and the energy is sufficiently utilized. Besides, the boiler is configurated with high-performance proportional combustion system, combustion is automatically regulated subject to loads, the heat efficiency exceeds 100%;

Clean and environment-friendly: specially designed furnace collocated with low NOx burner, result in little excess air, sufficient combustion and less pollution. The exhaust flue passes through the condenser, partial NOx, SO2, PM2.5 and PM10 in the pollutants dissolve into water, contributing to lowered emission, which is environment-sound.

Intelligent control: simple and easy for operation. The intelligent control may realize full automatic operation and no need for man guarding. The function can be extended as requested.

Advantages contrast between Condensing boilers and regular boilers.

Item Condensing Boilers Regular Boilers
Calorific Efficency

High(utilize latent heat of vaporization)

low(oversaturated emission upon high temperature)

Exhaust gas temperature

Lowest temperature ≤60℃

<170℃(National standard)

Thermal Efficiency

up to 103% 90-94%

Acid gas

Absorbed into condensate water

Discharged along with exhaust gas


Absorbed into condensate water

Discharged along with exhaust gas

Investment and cost

Low operation cost

Low load and high cost

Maintenance cost

Low (Modularized )

More accessories, higher cost

Service life

Corrosion resistance, longer life

long life

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