The basic cause of the vapor pressure changes 1, external disturbances: vapor pressure changes due to changes in external load, said external disturbance, referred to as "external disturbance." When the external load increases, the unit increases the amount of steam, and capasitas kalori boiler 1 ton have not yet adjusted to the new conditions, evaporation boiler will be less than the required amount of steam outside, the material balance is broken, the vapor pressure drop. 2, internal disturbances: the boiler itself due to changes in operating conditions caused by steam pressure changes, said internal disturbance, referred to as "internal disturbance." No changes in the operation of the external steam requirements, due to changes in the boiler and combustion conditions change (e.g., amount of unstable combustion of fuel or air volume change) and pot operating conditions (e.g., the case of transfer), so that the evaporation zone steam production the amount of change, the amount of evaporation material balance between the boiler steam requirement and destruction, so that the vapor pressure changes.
Boiler water treatment solutions to solve the problem of measures chemical companies in the capasitas kalori boiler 1 ton water treatment chemical companies in question (1) chemical enterprise managers should pay attention to the boiler hot water boiler water treatment work. For hot water boiler, the boiler water circulating in the system, the water supply is very small, in order to improve the quality of water, the pot dosing methods can be used. For example, in Xi'an City. Since most of the water in Xi'an Heihe, the water hardness is relatively low, usually 2.0mmol / L or less, relatively low salinity, total salinity 1.5mmol / L or less at. In this case, it is possible to solve the problem of hot water boiler water quality by way of adding agents. According to the indicators of water quality of the original, to choose the right agent. Currently, the most widely used are phosphonates and polymers. Further, according to the method using the agent, add time quantitative, which play sewage, preservative effect. This approach not only simple, but also save costs in terms of investment and maintenance of water treatment equipment, more affordable compared to sodium ion exchange. (2) to strengthen the maintenance of the boiler shutdown period. When not in use the boiler, it will be shutdown. After discharge water boiler shutdown, the humidity in the boiler is increased, and ventilation is not particularly smooth, resulting in long-term metal surface is wet. At this time, together with the role of oxygen and carbon dioxide, the metal will gradually boiler corrosion, rusting phenomenon occurs. In this case, if put into use, electrochemical corrosion can occur at high temperatures, thereby increasing the area of corrosion, the boiler's metal wall thinning, affect the safe operation of the boiler. Therefore, in order to ensure the safe and economic operation of the boiler, be sure to do maintenance shutdown of the boiler. Boiler maintenance work during the shutdown, including the maintenance of wet and dry maintenance. First, wet maintenance. That is, so-called wet boiler maintenance shutdown, the element inside the boiler filled with water and a basic substance added to the water, will generally be sodium hydroxide or trisodium phosphate, PH value of water is maintained at least 10, thereby forming a layer of alkaline water film in the boiler, heating surface protection, to avoid corrosion phenomenon. Second, the maintenance dry. The so-called dry during maintenance of the boiler is shutdown, the water in the boiler, sludge and scale and other clean, dry heating surface of the boiler, after the desiccant is placed inside, turn off all valves, hand holes, so that it is completely isolated from the outside world, so as to achieve the purpose of protecting the boiler. Maintenance of dry way is not only simple to operate, the effect is also very good. (3) strengthen the training and management of boiler water treatment personnel. For unit boiler, the boiler should be fully aware of the importance of water treatment. To arrange special personnel for water treatment work, and in strict accordance with relevant laws and regulations and management regimes to ensure the safety of boiler water treatment effective. Some conditional units can also organize relevant personnel to boiler water treatment for academic exchanges, training them adequately. In addition, water treatment personnel to fully understand the importance of their work, and constantly improve their own quality and ability to comply with professional ethics, in accordance with the relevant rules and regulations to operate, thereby protecting the safe and economic operation of the boiler.
Load increases, the former is not adjusted by the same amount of fuel, the amount of steam production is less than the amount of steam, the steam pressure must fall. Water saturation temperature of the furnace should fall, it is stored in the capasitas kalori boiler 1 ton water and the metal portion of the furnace so that a portion of the heat of water vapor, a small amount to compensate for the increase in the load of steam. Vapor storage space in the drum is decreased when the vapor pressure to be expanded, so that the fuel is not increased before the pressure drop slows down. Conversely, when a load greater than the vapor produced, on the one hand the excess vapor in compressed form is stored in the vapor space of the drum, on the other hand the excess heat to increase the temperature and the saturation temperature of the metal in the form of boiler water stored, thereby slowing the vapor pressure rise rate. A high heat storage capacity boiler drum, so as to automatically adapt to changes in the load ability, which is the positive side.
Around the city to promote the coal to gas project, the major institutions of the heating system put forward higher requirements. Central Conservatory of Music is available to students and teachers clean, safe, comfortable, energy-efficient heating environment, protect the health of teachers and students, to transform the traditional capasitas kalori boiler 1 ton treatment. Praise fast boiler Willie sharp series obtained in the transformation of low nitrogen boiler major institutions in Beijing, the Central Conservatory of Music in late 2017 with the signing of fast boiler boiler purchase contract, ordered six Willy sharp series V6-99, to for the entire school's heating facilities.
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