What are the cleaning steps of industrial boiler gas boiler in chemical plant? It is very important to clean gas boiler in chemical plant industrial boiler. After a long operation, scales and rust inevitably appear.
The main reason for the formation of boiler scale is the hardness in the feed water. A series of physical and chemical reactions will occur after the boiler is evaporated and concentrated continuously under high temperature and high pressure. Finally, hard and dense scaling is formed on the heating surface, which leads to the decrease of heat transfer effect and corrosion factor under scaling. This will lead to the decrease of endothermic heat in boiler water-cooled fireplace, the increase of furnace outlet temperature and the increase of boiler loss. At the same time, the heat transfer effect of the water wall is weakened, the temperature of the water wall increases, and the water wall explodes, which affects the safe operation of the boiler. Scale is the first evil of boiler and the main cause of boiler accident. Its harmfulness is mainly manifested in the waste of a large amount of fuel, because of its The thermal conductivity is only tens of% of that of steel.
Therefore, when the heating surface is polluted, the heat transfer will be hindered. In order to maintain the output force of the boiler, the temperature on the fire side must be increased, resulting in heat loss caused by external radiation and smoke exhaust. Cleaning steps of industrial boiler gas boiler in chemical plant: step 1: scale removal cleaning, cleaning tank adding scale cleaner in circulating water ratio, boiler cleaning and scale removal, cleaning cycle according to scale and quantity and adding reagent, Confirm all sizes after washing to the next cleaning procedure. Step 2: clean the equipment with clean water. After cleaning the connection between the equipment and the boiler, clean with clean water for 10 minutes, need to check the status of the system, whether there is any leakage, and Clean the rust. Step 3: peel off anticorrosive cleaning, add surface peeling agent and sustained release agent proportionately to circulating water of cleaning tank, cycle cleaning for 20 minutes, separate dirt from cleaning part, and carry on anticorrosion treatment to object surface at the same time. Prevent the cleaning agent from corroding the cleaning part during cleaning. Step 4: passivation coating surface treatment, adding passivation coating agent, boiler cleaning system deep passivation coating treatment, to prevent the corrosion of pipes and components and the formation of new rust scale.
