Why vacuum bath vacuum tube boiler for sale may be exempted from inspection for the purchase of the boiler manufacturers, all these can be considered for production of vacuum boilers, boiler because it does not require supervisory inspection. Why vacuum hot water boiler does not need to check? This begins from the principle of vacuum hot water boiler. The so-called vacuum space generally refers to the state of the substance does not exist. It refers to the so-called industrial vacuum atmosphere, a pressure less than normal atmospheric pressure, known as industrial vacuum. Vacuum in the vacuum boiler belonging to the category of industrial vacuum, i.e. a vacuum in the boiler operation, the internal pressure of the furnace is less than atmospheric pressure in a closed environment. Boiler explosion due to the expansion caused by the medium in the space, which is higher than atmospheric pressure outside the pressure range of the furnace. Like blowing balloons, if too many balloons in the air strike, under the pressure of the balloon, the balloon will explode. The vacuum suction operation of the boiler, the internal pressure less than atmospheric pressure, while maintaining the vacuum furnace, it is impossible explosion. So, from the point of view of boiler manufacturing principles, vacuum boiler is a relatively very safe boiler. Vacuum boiler can be installed on the roof of the building, the basement boiler room and independent, user-friendly planning and construction of heating systems, saving investment. Vacuum hot water boiler, the state also issued a related legal documents specified vacuum boiler can register for free, free inspection.

The advantages of vacuum gas bath vacuum tube boiler for sale descriptions vacuum gas boiler itself also have more features, vacuum gas boiler matched customers were more interested in updating operations during manufacture. It can be useful for consumers to supply convenience. Well, to start that is that explanation from the people to see the vacuum gas boiler advantage. First, a high level of automation high level of automation vacuum gas boiler itself, based on the consumer's command to complete self-purging and electronic ignition and other operations, in particular, the operation is also reliable and stable, but also the occupation fire-fighting equipment troubleshooting, reduce the hidden dangers caused. Second, the occupation of the provincial natural gas flame spoiler, can improve the heat exchange, greatly reduce heat loss, as consumers save more natural gas, but also consumers, especially in the days of easy operation and does not require the use of with someone on duty, it will save time and save energy. To sum up some of the characteristics of vacuum gas boiler details, after several passes above said, there is no such public facilities and also have more understanding. When, after the selection of heating facilities, intend it can be more.

Related problems of bath vacuum tube boiler for sale 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.

Heard so much about fast bath vacuum tube boiler for sale made a number of achievements in the areas of clean boiler, this time my unit and quick cooperation parties, give me your company's boiler unit is in line with the requirements of our team boiler, to achieve a clean, energy-saving, environmentally friendly way of heating . Moreover, your company for the Beijing authorities have provided more office cleaning boilers, a good reputation. So, we finally reached a cooperation. --customer feedback

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