Natural gas industrial boilers produce condensate water hazards natural gas industrial boilers produce condensate water hazards natural gas industrial boilers produce condensate water hazards 1, the corrosion of condensate water boiler heating surface major harm to the natural gas industrial boilers is the corrosive effect on the heating surface of the boiler. Condensate corrosion WNS rear of the boiler heating surface of the bottom of the tube focus, mainly iron oxide corrosion products. Condensate corrosion can cause intense side wall thinning, strength weakened. (1) condensation with the flue gas evolution corrosion, some CO2 is dissolved in the condensed water, CO2 generated in case of weak electrolyte H2O H2CO3, ionized hydrogen ions, so that a weak acid condensate, and another part of the nitrogen oxides and containing a very small amount of sulfur dioxide dissolved in the condensate, enhances the acidity of the condensate, the pH of the condensed water as in table 1 were lower than the position of the drum 4.3. iron hydrogen evolution corrosion can occur in the acidic solution, and the strong acid, the reaction The faster rate. (2) Since the oxygen etching gas during combustion boiler need to ensure a certain air ratio, combustion flue gas contains oxygen. When the steam condenses, some oxygen will be dissolved in the condensed water, causing corrosion of the metal heating surface of the oxygen. 2, when the cross-sectional area to reduce the flue gas flow type gas boiler industrial boilers operate at low load, the heated surface of the flue gas, the condensed water gathered in the smoke tube, the resulting corrosion products accumulate in the bottom of the tube, even clogging of the pipe part, thus reducing the flow area of the flue gas, the flue gas resistance increases, and increase in power consumption of the blower. 3, the furnace temperature is lowered, damage to the burner within the examination of natural gas in industrial boilers, often find a certain amount of condensed water. We found condensate discharge tube boiler such severe congestion, resulting in condensed water in the lower furnace does not discharge, and refluxed for aggregation. When the boiler is started, the heat accumulated in the furnace absorbs the condensed water and evaporated fuel combustion, thereby reducing the furnace temperature. If the furnace condensate accumulated too much, and even dipped into the burner, causing damage to the burner. Suddenly turn off the boiler, the boiler does not start, because the burner too much condensation water immersion, affecting the safe operation of the boiler. 4. Effect of boiler condensate generated on the heat sealing material penetrates into the sealing material of the boiler insulation, the point of the arrow indicated gas tank gas boiler WNS industrial boilers. Sealing condensed water immersion insulation material for a long time, the insulation effect will be weakened or even physical damage, increased heat loss. Meanwhile, the condensed water will make the sealing material deformation aging, sealing capability weakened, leading to a certain amount of flue gas emissions, which not only be dangerous, can also cause a certain amount of heat loss.
Coal-fired boiler blowdown serious pollution to the environment of adverse effects, the environmental protection department received widespread attention in our country, is now, more environmentally friendly clean energy boiler gradually replace the small and medium sized coal-fired boilers high energy consumption and high pollution. For the country to encourage the use of boiler equipment, we have a common concern: low-nitrogen environment.
What optimization measures industrial boiler water boiler plant optimization measures water quality of industrial plant optimization measures which industrial plant boiler water which has 1, an industrial boiler water treatment plant (1) Sample preparation by lime softening process and the soda lime softening implementation, simple treatment of raw water impurities, pH, ions or the like by the above chemicals. First preprocessing the raw water before precipitation, filtration and condensation, thereby reducing impurities in raw water, reducing the amount of scale in industrial boilers; secondly, to process the raw material bicarbonate water by milk of lime, reducing the external water industrial boiler hardness; again, to use the soda lime softening treatment, to adjust the pH of industrial boiler water; Finally, the use of softened plaster, suitable to reduce the concentration of bicarbonate in water by chemical reaction with the sodium salt of gypsum, reducing boiler the C02 gas. Implement (2) in the process of softening primarily by exchange of sodium ions, the original metal cations of the water absorbed by a sodium ion exchanger to reduce the generation of scale in industrial boilers, which has a very positive safeguard industrial boilers for normal use. Process uses a sodium ion exchanger will increase the concentration of chloride ions is appropriate, therefore during processing to properly control the amount of sodium ion exchange agent, chloride ions to prevent sodium ion exchanger caused by excessive use of excessive. Process (3) may be suitably oxygen treated to enhance the boiler temperature, the thermodynamic oxygen, thereby reducing the corrosion rate of the boiler. The method of using the heating process to control water temperature above 105 ^ 0, in order to enhance the effect of oxygen may also be provided deaerator water spray disk. 2, the process of industrial boiler water treatment plant in the boiler water may be appropriately alkali treatment, phosphate treatment and adding sodium humate treatment: can be made to improve overall water quality in the boiler by the above method, adjustment of industrial the pH of the boiler water, total alkalinity, sodium ion concentration, has a very good effect on the optimization of industrial boiler water quality. Alkali treatment process may be suitably added to the people in the soda boiler, to form calcium carbonate and magnesium hydroxide by reaction of substituted acid salt sediment, reduce the concentration of magnesium ion concentration of carbonate ions in the water and calcium ions and metal. Plus phosphate treatment process may be employed in the reaction with magnesium metal phosphate ions and calcium metal ions, alkali treatment and the nature of the same, after removal of the sewage generated crystals. During the addition of the sodium humate treated mainly by the hardness of the softened water sodium humate, magnesium and calcium ions removed, soften water. 3, industrial sewage treatment plant boiler boiler blowdown process as a key industrial boiler water treatment, have a very positive significance to enhance the safety performance of industrial boilers. Industrial boilers during use due to evaporation of water and adding other agents, the concentration of the boiler water will gradually rise and a certain impurities in the boiler, precipitation and the like. Therefore, during the processing of industrial boilers regularly to turn on the water, will be discharged from the high concentration of water in the pot boiler. In addition, you also need regular cleaning and maintenance of industrial boilers, the use of chemical materials on the scale inside the boiler completely clear, so as to ensure clean the boiler heating surface, extend the life of industrial boilers.
In recent years, the state environmental protection is all the more attention we as a company with the times, in order to respond positively to the implementation of the national environmental protection requirements from coal to gas project. But the choice of boiler suppliers in this area quite a headache, after repeated comparison and investigation, we chose to partner with fast boiler. Fang did not disappoint quickly proved that the recommended boiler operation after use to fully meet our needs, both energy saving and environmental protection, high thermal efficiency, to a certain extent, cost savings for our fuel. --customer feedback
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