Q:How to clean gas steam generator?

A:

The method of cleaning the gas steam generator is very important; after a period of operation of the steam generator, there will inevitably be scale and rust. After concentration by evaporation.
Various physical and chemical reactions occur in the furnace body, and finally produce hard and compact scale on the heating surface, resulting in a decline in heat transfer and corrosion factors under the scale, which will reduce the heating of the steam generator water-cooled furnace body, and the steam generator The temperature at the outlet of the furnace increases, which increases the loss of the steam generator. In addition, scaling in the water-cooled wall reduces the heat transfer effect, which can easily cause the temperature of the water-cooled wall pipe wall to increase and cause the water-cooled wall pipe to rupture, affecting the normal operation of the steam generator.
Scale is very bad for gas steam generators, and industrial air conditioners are the root cause of steam generator problems. When the heating surface is fouled, the heat transfer is limited. In order to ensure the corresponding output of the steam generator, the temperature of the fire side must be increased, thereby causing heat loss due to external radiation and smoke exhaust.
Descaling and cleaning, add the configured descaling and cleaning agent in a certain proportion to the circulating water of the cleaning tank, carry out cleaning and descaling of the steam generator, determine the cleaning cycle time and the amount of agent added according to the amount of scale, and confirm that all scales have been cleaned. Go to the next cleaning process.
Cleaning with clean water, after connecting the cleaning equipment to the gas steam generator, clean with clean water for 10 minutes, check the system status, whether there is leakage, and then clean the floating rust.
Remove from anti-corrosion cleaning, add surface stripping agent and slow-release agent in the circulating water of the cleaning tank according to a certain proportion, and cycle cleaning for 20 minutes to separate the scale from the cleaned parts, and carry out anti-corrosion treatment on the surface of the material without scaling, Avoid corrosion of the cleaning parts by the cleaning agent during descaling and cleaning.
Gas steam generator passivation coating treatment, add passivation coating agent, carry out passivation coating treatment on steam generator cleaning system, prevent corrosion of pipelines and components and new rust formation.