zozen boiler
Home Service FAQs FAQ of gas-fired(oil-fired) boilers How to maintain the gas boiler that has been shut down?

How to maintain the gas boiler that has been shut down?

26 Feb 2021

At present, the research and development technology of gas boilers is very mature. The boiler has obvious advantages of stable operation and less pollutant discharge and energy saving. However, if the boiler is not used for a long time, it is necessary to maintain the boiler to maintain the normal operation at the subsequent startup.

1.Dry maintenance

The gas-fired boiler needs to be drained after the furnace is shut down, then the internal dirt is completely removed and rinsed, and the drying in the furnace is kept so as not to be eroded.

You can use a small fire when drying the remaining water in the furnace, but you should not use a large fire. Also be careful to close all the hand hole pipe valves and place the quicklime pan in the drum.

If you have not used a gas steam boiler for a long time, check the boiler at least three months. If the quicklime in the crucible is broken into powder, it is necessary to replace the new lime in time to ensure that the dryness protection in the gas steam boiler is not corroded by moisture.

2.Wet maintenance

The specific operation procedure of the wet maintenance is: after the water in the furnace is discharged, the internal dirt is removed, and the treated water is filled into the crucible and then heated to the required temperature; then the gas in the water is completely discharged to the furnace. In addition, close all valves.

However, it should be noted that when the weather is very cold, wet maintenance should not be used to prevent the furnace water from freezing and damaging the furnace and cannot be used.

Related news View More
  • ZOZEN Boiler's Reciprocating Grate Boilers Excel Overseas, Empowering Multiple Industries with Efficient Operation
    In recent years, as global energy demands continue to rise and environmental regulations become increasingly stringent, high-efficiency boiler equipment has garnered significant attention in international markets. As an industry-leading boiler supplier, ZOZEN Boiler has achieved repeated success in overseas markets through its self-developed reciprocating grate technology, providing customized thermal solutions for multiple industries. Numerous projects exported to countries including Kyrgyzstan...
    27 May 2025
  • ZOZEN Gas-fired Boilers: A Reliable Force Driving Green Upgrades in the Automotive Industry
    As a technological pioneer and quality benchmark in the industrial boiler field, ZOZEN Boiler, with profound technical expertise, outstanding innovation capabilities, and reliable product performance, has deeply integrated into the automotive industry supply chain, becoming a steadfast partner for many internationally renowned automotive companies in achieving green and intelligent manufacturing. ZOZEN Gas-fired Boilers: The Firm Choice of the Automotive Industry Geely Auto: WNS Series Boile...
    20 May 2025
  • Overseas Orders Surge: ZOZEN Boiler Supports Industrial Upgrading in Venezuela
    Recently, ZOZEN Boiler successfully exported multiple WNS series gas-fired steam boilers to Venezuela, serving the local paper-making and food processing industries. This achievement not only marks another major breakthrough for ZOZEN Boiler in the international market but also demonstrates the technological strength and competitiveness of Chinese manufacturing in the global industrial sector. By providing efficient, environmentally friendly, and intelligent boiler equipment, ZOZEN Boiler has in...
    13 May 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity