Maintenance and corrosion protection hot water boiler which specific: timely water supply oxygen in the water supply process, a total of dissolved oxygen exacerbate the corrosive effect of the hot water boiler, it must be equipped with oxygen equipment to the hot water boiler. Currently, the main oxygen is to use the sodium sulfite oxygen, reducing the oxygen content in water, the purpose of removing oxygen. For some of the larger boiler plants, can use low or high vacuum deaerator device, water is evacuated of air, reducing the gas pressure in the boiler water.
Use local steam boiler steam boiler plant equipment when they should beware of using should be very broad, stable operation even if the goods, work safety. But it does not mean that you can easily use. Now we give you a detailed look at some of the content when using the steam boiler equipment should beware of. The first, former boiler startup carefully examine before steam boiler plant boiler startup identification process is quite critical, we should examine the site there are many, like the fuel gas pressure is not reasonable, blocking the flue gas duct is not already open, the vacuum pump water is not a routine, etc. ....... Only ensure that equipment before conventional boiler startup, ensure the security of gas steam boiler safety work. Also, use should be used during downtime is quite Yan Shen during the shutdown process, turn a small fire to fire first, and then slowly the fire, burning closed valve. The contents of the safe use of gas steam boiler which should have these, and if you can pay more attention to the content in use, I think it can be fairly safe use of gas steam boiler, avoid places where improper use form occurs.
Vacuum phase change boilers in the industry are usually referred to as vacuum boilers. Professional vacuum boilers form a negative pressure vacuum environment within the enclosed furnace body. There is no danger of expansion and explosion because a vacuum boiler creates a low-pressure environment with little air, and then uses water to boil at a low temperature to produce steam. As a result, it is now commonly used in higher elevations. Let's find out what the features of the vacuum boiler are.
1, the vacuum boiler will not corrode because the internal structure of the vacuum boiler is negative pressure vacuum state, so it is completely isolated from the atmospheric pressure, so the pump pumps configured by the various units of the boiler will continuously discharge the steam from the unit. It does not corrode the internal structure, so vacuum phase change boilers perform fairly well in terms of durability.
2, safety and reliability are different from ordinary atmospheric pressure boilers. Because vacuum boilers pump air out of the inner container to form a vacuum environment, the furnace body does not work under the vacuum body in the course of use and will not be expanded by heat. It is not a pressure vessel, so there is no risk of explosion. At the same time, if the pressure increases due to faults or other perceived factors, the vacuum pressure switch automatically cuts off the power supply, so vacuum boilers are more reliable than other types of boilers in terms of safety.
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