I. How long is the service life of coal-fired heating furnaces
Coal-fired heating furnaces are commonly used heating boilers for families. With many advantages such as convenient installation and low price, it is widely used in households in rural and urban suburbs. So how long can coal-fired heating furnaces last?
Generally, the service life of coal-fired heating stoves is not fixed. According to the type of coal-fired heating stove, product quality, frequency of use, quality of coal used, maintenance work and other factors, the service life will vary. The difference is that in the case of proper operation and maintenance, it can generally be used for about 10-15 years.
Second, how to maintain a coal-fired heating furnace to last longer
To make a coal-fired heating furnace last longer, the key is to do a good job in maintenance There are two maintenance methods for coal-fired heating furnaces:
1. Dry maintenance method
When the fire is stopped, put the furnace inside Release the water, remove the dirt inside the furnace in time, and rinse it with clean water; then dry the furnace with a low fire, install the 20-30mm quicklime in separate plates, and place it in the boiler furnace (be careful not to make quicklime and Metal contact, the placement quantity is 8 kg per cubic meter of furnace body volume), and all furnace doors can be closed after placement. Check it every three months or so, and replace it if the quicklime turns into powder.
2. Wet maintenance method
First descale and clean the inside of the furnace, then inject new demineralized water, and put quicklime into the furnace at the same time. Close each oven door. Note: Quicklime must not be in direct contact with the furnace body.
Coal-fired heating furnaces are mainly used in winter. When not in use, care should be taken to maintain and maintain them. In addition, when in use, they should be used in the correct way to avoid damage. At the same time, pay attention to The coal used should choose bituminous lump coal, and try not to use low-quality coal with high sulfur content.
