What is the working principle of forced circulation boilers?
08 Jan 2021
According to the power of water or steam circulation, boilers can be divided into natural circulation boilers, forced circulation boilers, once-through boilers and combined circulation boilers.
The water or steam in the forced circulation boilers is not only powered by the density difference between the water and steam, but also powered by the pump to complete the circulation in the heating pipelines. This kind of boilers are called forced circulation boilers.
With the increase of boiler capacity and the improvement of steam parameters, the density difference between the steam and water decreases, which reduces the reliability of natural water circulation. In order to improve the power of loop and increase the safety of water circulation, a circulating pump is installed on the downcomer of the circulation loop. The circulation of the working medium in the circulation loop is driven by the lifting pressure head of the circulating pump and the natural circulation available static head.
Related FAQs
View More
Related products
View More
-
YQ(Y)W series gas-fired/oil-fired horizontal thermal oil heaterLive Chat1400-14000 kW0.8-1.0 MPa -
YQ(Y)L series gas-fired/oil-fired thermal oil heaterLive Chat7000-29200 kW0.8-1.0 MPa -
YLW series coal-fired thermal oil heaterLive Chat2800-29200 kW0.8-1.0 MPa
By boiler medium
By boiler structure
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat
Related news
View More
-
On the edge of the tropical jungles of Sumatra, Indonesia, the hum of machinery blends with the scent of palm fruit, painting a busy picture of the local palm oil processing industry. As a key global production base, Indonesian oil processing enterprises have a high dependency on reliable thermal energy supply. Booming Oil Processing Industry in Indonesia Recently, Wuxi ZOZEN Boiler Co., Ltd. ("ZOZEN Boiler") successfully delivered and commissioned a 15 t/h SZL series coal-fired steam boiler...03 Feb 2026 -
As clean heating upgrades continue to accelerate across northern China, high-efficiency and environmentally compliant heating equipment has become essential to ensuring winter heating security while supporting the country’s carbon reduction goals. In Tianjin, several large district heating companies have independently selected the same core solution — the ZOZEN SZS series gas-fired hot water boiler — delivering stable heat throughout the winter while contributing to improved ai...27 Jan 2026 -
The Regulations on the Administration of Rare Earths, effective from October 1, 2024, are accelerating the rare earth industry’s standardized and intensive transformation under the framework of resource protection, compliant governance, and green development. As demand for rare-earth permanent magnet materials from sectors such as new energy vehicles, wind power, and intelligent manufacturing stabilizes and improves, industry sentiment is rebounding. As the “World Capital of Rare Ear...20 Jan 2026
Latest cases
View More
