For this boiler, the capacity of the boiler is about 30m3, the capacity of pipes and heat exchangers is about 40m3, the total water capacity is about 70m3, the rated circulating flow rate is 200m3 / h, and the boiler replenishment rate is 1% of the circulating flow rate of the boiler. The actual recharge rate is 5 ‰ of the circulating flow rate of the boiler. According to the calculation of the actual replenishment rate, the boiler is heated in winter and the running time is 120 days. Then, the actual replenishment water amount is V: V=200m3/h × 5 ‰ × 24h/d × 120d=2880m3 (4)
How to effectively reduce the degree of corrosion of hot water boilers used boiler users know, a long time hot water boiler, it will produce corrosion conditions, which had a great impact on the life of the boiler. So how can we reduce the degree of corrosion of hot water boiler of it? The following describes the hope that everyone has to help. 1, the installation is arranged in the exhaust system of exhaust hot water boiler, a hot water boiler beneficial to exclude air and hot water system precipitates from the water by heating the gas, so that oxygen reduces corrosion. 2, water supply oxygen: when the hot water boiler is greater than 4.2MW rated power, the water should be oxygen; water boiler rated power of less than 4.2 should be oxygen. 3, controlling the PH value of the hot water boiler: the hot water boiler furnace PH is controlled between 10 to 12 so that it can form a protective film on the surface of the metal, to avoid the occurrence of oxygen corrosion. Corrosion great threat to the safe operation of the hot water boiler, and even affect the length of life of the boiler. Prevention hot water boiler heating surface corrosion and increase the length of time such as the use of boiler, the boiler management has become an important aspect. With the above measures oxygen corrosion problems can occur for hot water boiler heating surface play an effective prevention and mitigation, in order to ensure the safe operation of the boiler.
When gas boiler Sheung Shui, six rules to follow: 1, substandard quality boiler feed water can not enter. 2, boiler water filling should be carried out when the ambient temperature exceeds 5 ℃, otherwise freezing measures need to be taken. 3, if the boiler body changes after the first start, before and after the Sheung Shui, the designated persons must record the value of each indicator indicates expansion, and expansion analyze whether conditions in a normal state. 4, need to have someone to monitor the discharge air collector box Sheung Shui, the separator discharge air inlet duct, the air economizer door, the door when the air in time continuous take off water to prevent water running phenomenon. 5, the system should be checked Sheung process piping, valves, whether there is a leak phenomenon; if there is, then stop Sheung observed changes in the water level in the storage tank system is determined tightness. If you find a leak or the water level drops, should stop Sheung Shui, and look for reasons to eliminate contact.
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