Why Does Starvation Occur in a Steam Boiler? | ZOZEN FAQ
Steam boilers are an essential part of many industrial processes, but they can be susceptible to a phenomenon known as starvation. This occurs when the boiler does not receive enough water to generate steam, which can cause serious damage and even lead to explosions.
There are several reasons why starvation can occur in steam boilers. One common cause is a low water level, which can be caused by a malfunctioning feedwater pump or a leak in the system. Another cause is an uneven distribution of water, which can be caused by a blocked or partially closed valve.
Main reasons for water shortage in the steam starvation boiler:
(1) The operators are negligent and lax in monitoring the water level;
(2) After the boiler blowdown, the blowdown valve is not closed and locked, or the blowdown valve leaks;
(3) Failure of water supply equipment or water supply pipeline reduces or interrupts water supply;
(4) The water level meter steam and water pipes are blocked, and the cock leaks or other reasons form a false water level;
(5) Blasting of boiler water wall, convection tube bundle, economizer tube or flue pipe to release water vapor.
Treatment method of steam starvation in the steam boiler:
(1) If the water level is just lower than the normal water level, but it can still be seen, water supply and flushing water level gauge should be strengthened to restore the normal water level.
(2) Check the water supply, water supply and other systems for damage and water leakage. In severe cases, stop the furnace for treatment.
(3) When the water level can't be seen after the "water-calling method" and the flushing water level gauge are adopted, a serious water shortage accident may occur, and the boiler should be stopped immediately and quickly turned off to find out the reason.
To prevent starvation in steam boilers, it's important to regularly check and maintain the feedwater pump and other components of the system. Additionally, the water level should be monitored carefully to ensure it remains at a safe level. If starvation does occur, it's important to shut down the boiler immediately and investigate the cause to prevent future incidents.
At ZOZEN, we are committed to providing expert advice and solutions for industrial boiler systems. Contact us today to learn more about how we can help you prevent starvation and other boiler issues.
-
WNS series gas-fired (oil-fired) hot water boilerLive Chat0.7-14 MW0.7-1.25 MPa
-
WNS series gas-fired (oil-fired) steam boilerLive Chat1-20 t/h0.7-2 MPa
-
SZS series gas-fired (oil-fired) hot water boilerLive Chat7-116 MW1-1.6 MPa
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat

-
Behind industrial manufacturing often lies an invisible thermal energy lifeline. Whether boiling syrup, synthesizing chemical materials, or pressing new energy security materials, every physical and chemical change on the production line has strict requirements for the temperature, pressure, and continuity of thermal energy. When green biomass energy enters these vastly different manufacturing workshops, how can various forms of pellets, wood blocks, or straw be converted into the "precise temp...08 Sep 2026 -
Recently, a special equipment inspection team visited Wuxi Zozen Boilers Co., Ltd. for an inspection and guidance session. Mr. Zhang Guoping, General Manager of ZOZEN Boiler, together with representatives from relevant departments, participated in the inspection and discussions. The meeting focused on special equipment production quality management, the implementation of safety responsibilities, manufacturing process control, and documentation management. Special Equipment Inspection Team Con...25 Aug 2026 -
At a local paper manufacturing company in Egypt, a ZOZEN WNS Series 6 t/h gas-fired steam boiler has been supplied as part of an export project. The Egyptian paper mill uses natural gas as the boiler fuel to meet the process steam requirements of paper production. The project also includes technical documents and a product solution prepared in accordance with ASME and CE certification requirements. Paper manufacturing is a continuous industrial process. Steam is involved in several stages, incl...01 Sep 2026











