the best oil fired vacuum boiler

Since the use of advanced technology vacuum the best fired vacuum boiler control, automatic failure level, low alarm, the system may notify the user and automatically cut off power, to avoid losses due to lack of water. Forming a special design of the structure, it can be a machine. Also provides multi-channel, the temperature difference between the hot water to meet the various needs of users for central air conditioning, heating, sanitary hot water, high-level swimming pools, hotels, hotels and other hot water supply. It can provide process water for all types of industrial and mining enterprises. Imported burner has good insulation effect, applicable to an altitude of 3000 meters below the area. For heating, the heat of the burner indirectly received by the negative pressure steam. Under standard conditions, the vacuum degree of the vacuum chamber with increasing vacuum chamber -76cmHg vapor pressure decreases, the heat medium when the vapor temperature reached 94 deg.] C negative, lowered vacuum degree -15cmHg, start and stop the vacuum switch burner, a heat exchanger with take the heat. Steam temperature and the heat medium decreases, the negative pressure increases to maintain a constant vacuum. Switching cycle start-up burner, so as to achieve the purpose of heating and water heating. Minimal vacuum chamber of the vacuum furnace -15CMHG, up to -76CMHG, negative pressure is always maintained in a state of absolute security, the steam temperature of the vacuum chamber and the vacuum chamber of the heat medium can be increased to 94 deg.] C, the heating and hot water water temperature up to 80 ℃. Boiler body and not subjected to any pressure of the vacuum chamber, the heat exchanger can withstand the pressure. Therefore, no need to check the entire process from commissioning to operation, the boiler does not need permission. Advantages advantages of vacuum hot water boiler vacuum boiler operation is a negative pressure, safe and reliable, no explosion, not subject to supervision and inspection, can be placed on the roof, the basement does not scale, compared to other hot water boiler long life vacuum heat the boiler water pressure and hot water boiler and Comparative residential heating system pressure hot water boiler is mainly used for heating boilers cell. It was heated in two ways: floor heating, a heating radiator. Residential district heating system depends on the height of the floor to decide whether heating alone. Vacuum hot water boiler operating principle is to use the steam generated by the boiling of water at low pressure, water and steam condensation heat transfer and heat output mode. The interior of the apparatus is a closed vacuum chamber. Combustion heat medium boiling water was evaporated in a vacuum chamber to produce a negative pressure steam, steam condensation outside the heat transfer tubes, the inner tube heating cold water supplied to the user, the steam condenses into water droplets return to the heat medium heating evaporation again, completing the cycle.

Related problems of the best fired vacuum boiler corrosion deactivated 1, deactivate the boiler corrosion damage to the concept of corrosion occurring at the boiler cold standby, hot standby, or during servicing referred to deactivate corrosion. Disable boiler corrosion, primarily because the metal surface is not completely dried during the shutdown and oxygen in the atmosphere continues to leak into the cause. Although the internal and external boiler heating surface corrosion during shutdown occur simultaneously, but internal corrosion is more serious than external corrosion, so corrosion is mainly refers to disable the internal heating surface corrosion. 2, after the cause of corrosion disable shutdown, with decreasing pressure, temperature, boiler water vapor condenses into water, there will be a vacuum inside the boiler, outside air leakage into the furnace, oxygen and moisture vapor case, it is prone to corrosion of metals. Due to the structure of the boiler, if certain measures are not adopted, disabled corrosion is inevitable. Vertical e.g. superheater is not within the water in the superheater drained. When the internal heating surface metal junction with a water-soluble salt scale, will form a high concentration salt solution when it absorbs moisture, so that increased corrosion disabled, and the formation of ulcers corrosion. In this case the inlet of the superheater is often present. Because of the separated saturated steam is always when entering the superheater with a small amount of boiler water, saturated steam into the superheater absorb heat, water is evaporated into steam oven, and the boiler water containing salt is deposited on the inlet tube wall superheater. 3, disable corrosion prevention, mitigation method (1) In order to prevent or mitigate disabled corrosion protection measures should be adopted shutdown. Many shutdown protection methods, mainly divided into two categories: wet and dry protection protection. Wet disable protection commonly used in the short time, for example within one month. Wet common method is to protect the other peroxygen filled in boiler water, or an aqueous solution of alkali, maintaining a pressure of 0.3 ~ 0.5Mpa, to prevent air from leaking into the. (2) If a longer shutdown, or cold weather, in order to prevent freezing equipment, should be protected by a dry method. The method is: After shutdown, the temperature dropped to 70 ~ 80 ℃, the furnace let go all the water, using the water in the boiler will heat the entire heating surface evaporated to dryness, and dried with compressed air furnace without blowing vapor all off-contained anhydrous calcium chloride and then placed in the drum of the container. Per cubic meter of water volume ratio 0.5 ~ 1.0L of calcium chloride was placed (e.g., with lime according to 2kg / m3 basis), then the manhole is closed, periodically checked and found to be replaced when the desiccant into powder. (3) may be filled with nitrogen or ammonia gas charge protection, their preparation and use as a desiccant. Since ammonia is lighter than air, so protection during charging and ammonia, the ammonia gas should enter the upper exhaust air from the lower portion. Nitrogen is slightly lighter than air, can enter the upper portion of nitrogen from the exhaust air from the lower portion. To prevent air from leaking into, the pressure should be maintained 0.3-0.5Mpa, the pressure reduction should replenish ammonia or nitrogen.

What are the advantages of vacuum the best fired vacuum boiler vacuum boiler mostly modern smart home heating equipment, typically used for commercial establishments and residential quarters and other places to provide heating and sanitary hot water heating, compared with conventional heating equipment using high security performance, not explosion, the risk of rupture and expansion easily hurt others. 1, the main vacuum suction vacuum boiler operation, the use of safe, not burst, explosion. Meanwhile, the successful isolation of the vacuum pressure in the boiler steel high pressure region and high temperature region, the high temperature and pressure to prevent damage to the vacuum boiler. This also plays an important role in extending equipment life. 2, the overall structure of the vacuum boiler design more scientific and reasonable, small footprint advantages, saving the use of space. Vacuum boiler furnace body by way of a heat exchanger can effectively shorten the preheat cycle, to reduce energy waste. 3, the vacuum boiler automatic intelligent control. In use, the smart unmanned operation can be implemented, as well as remote control of the network, and used to control the device. Vacuum boilers are equipped with stainless steel heat exchanger, no corrosion, water pollution. 4, mainly in the form of indirect heating by the external heat exchanger and boiler vacuum boiler circulation pump or the like, it is possible to save a large part of the total cost of the installation, the boiler also having a good vacuum and rapid heating, the characteristics of high heat transfer efficiency, fuel cost savings .

April 8, 2019 China International Corrugated exhibition in Shanghai New International Expo Center, such as about the opening. Fast the best fired vacuum boiler as China's "most influential brand of industrial boilers," was invited to participate in the exhibition.

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