What effective methods should be used for maintenance of gas-fired hot water boilers during use? Not only can it improve the efficiency of gas hot water boilers, but it can also extend their service life;
1. Maintenance from the perspective of pressure This maintenance method is suitable for boilers that have stopped running but have undergone brief repairs for no more than a week. You can first drain all the water in the boiler, then clean the scale in the boiler in a timely manner, and add qualified softened water again; Regularly heat the gas hot water boiler with a warm fire to maintain a water temperature of around ten degrees Celsius in summer and prevent freezing in winter; Regular water supply should also be provided inside the boiler to maintain normal pressure and prevent air from entering the drum.
2. Wet maintenance This maintenance method is suitable for gas-fired hot water boilers that have not been shut down for more than a month. After shutdown, the boiler water should be drained according to the prescribed time, and all impurities inside should be cleaned up; Secondly, close all inlet holes and valves, completely separating them from the running boiler; Then use specialized mercury to put the prepared alkaline protective solution into the boiler; Throughout the entire maintenance period, a low flame oven should be used regularly to maintain the dryness of the heated surface.
3. Dry maintenance Dry maintenance is suitable for gas hot water boilers that have been shut down for a long time. Similarly, it is necessary to drain the water and remove impurities, and secondly, it should be completely isolated from the running boiler; Use an appropriate amount of desiccant to absorb moisture inside the boiler, while ensuring that the desiccant does not come into direct contact with the heated surface of the boiler; Within a month, it should be checked whether the desiccant placed in the boiler will cause corrosion.
The above are three methods for maintaining gas-fired hot water boilers. Regular inspections should be conducted when using boilers, with special attention paid to the corrosion of steel plates. If corrosion issues are ignored for a long time, unexpected consequences may occur. Therefore, maintenance is crucial for highly stable gas-fired hot water boilers.
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