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1. Electric steam generator load: When the load on the steam generator increases, meaning more steam passes through the unit steam space per hour, the speed at which steam rises within the boiler drum accelerates. This heightened energy can dislodge small, dispersed droplets from the water surface, degrading steam quality. Particularly during load fluctuations or overloading, even if the salt concentration in the boiler water isn't significant, it can lead to severe steam-water carryover issues.
2. Electric steam generator pressure: A sudden drop in pressure causes the volume of steam for the same mass to expand. Consequently, the volume of steam passing through a unit space also increases. These conditions make it easier for tiny water droplets to be carried along, impacting steam quality negatively.
3. Concentration of water in the pot: Boiling water in the steam generator contains numerous bubbles. When these bubbles rise and burst at the water's surface, they release many fine, dispersed droplets. Under normal operating conditions—where the concentration of the boiler water is manageable, and water levels, loads, and pressures remain stable—these droplets don’t get swept away in large numbers. However, as the concentration of the boiler water increases due to continuous evaporation, the salt content rises, enhancing the surface tension of the water. This leads to thick foam layers forming on the water’s surface. With higher concentrations, the bubble layer thickens, reducing the available space in the boiler drum. The fine droplets released when these bubbles burst are easily picked up by ascending steam, degrading its quality. In extreme cases, this results in a surge of steam and water together, carrying significant amounts of boiler water.
4. Water level of the electric steam generator: When the water level in the steam generator is too high, the steam space in the boiler drum diminishes, increasing the amount of steam passing through each unit volume and raising the steam velocity. Additionally, the space available for water droplets to separate decreases, making it easier for droplets to be carried along with the steam. This degradation in steam quality becomes worse with fluctuations in the water level, causing instantaneous steam carryover.
In summary, maintaining optimal conditions in an electric steam generator—regulating load, pressure, water concentration, and water level—is crucial to ensure high-quality steam production and prevent operational issues like steam-water carryover.