Comparison of structure forms of built-in Heat Exchanger 1, vacuum boiler: Heat exchange through steam, preheating time is short. The boiler is equipped with stainless steel "U" tube heat exchanger, one end with flange can open cleaning, the other can not open heat exchanger cleaning can not be complete. 2, atmospheric boiler. Heat transfer through water-water, preheating time is longer than vacuum boiler. Boiler with copper straight tube heat exchanger, both ends of the flange, cleaning more thoroughly.
Why vacuum hot water boiler does not explode? 1. What is vacuum boiler?-Called vacuum inside the boiler means during normal operation of the boiler in the boiler pressure below atmospheric pressure, and cold water from the cold water with heating thermally transform. II. Why not vacuum hot water boiler explosion? 1. Due to the operating state of the vacuum is a vacuum hot water boiler, instead of a pressure vessel, a certain amount of heat medium water seal in the furnace body, any state will not dry air burning . 2 is equipped with destructive devices: explosion-proof valve.
The difference between the atmospheric pressure hot water boilers, hot water boilers vacuum? Currently, many have adopted residential district heating boilers, hot water boiler performance and therefore plays an increasingly important role in the heating of the residents. The most common on the market are vacuum hot water boiler and boiler pressure hot water boiler. However, many consumers know these two hot water boilers thorough enough, there may be some bias. A, different security present, primarily professional vacuum hot water boiler hot water boiler, a hot water boiler internal negative pressure can achieve the purpose of rapid combustion temperature, while by changing the configuration of a vacuum hot water boiler may be related to atmospheric hot water boiler. Therefore, security is more obvious. However, when using hot water boiler pressure hot water boiler as long as the use of some type of guarantee ventilation, and therefore pressure hot water boiler is particularly safe and reliable. Second, due to the small amount of water heating efficiency of different vacuum hot water boiler, a water requires multiple cycles fewer burner heated hot water boiler and the atmosphere of a large container only opened once the burner can achieve a good heating effect can be efficient heating. Hot water boiler circulating water and atmospheric pressure hot water boiler. Thermal efficiency of the furnace is higher than the thermal efficiency of the vacuum hot water boiler. Third, the complexity of the equipment in order to ensure different vacuum, vacuum hot water boiler must be installed infrastructure series a vacuum pump, but the average hot water boiler pressure control device need not be employed to maintain the vacuum. Therefore, no complicated control equipment required personnel to operate more simple, the complexity of the boiler equipment in use also have greater advantages, meet the needs of more consumers.
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