Low temperature commercial 0 5 ton horizontal hot water boiler manufacturers condensate corrosion preventive measures what? 1, reduced excess air ratio is reduced boiler flue gas dew point temperature, the main cryogenic preventing corrosion. When reduced from 1.15-1.2 to 1.01-1.02, the dew point temperature of flue gas can be reduced 50-60 ℃. Excess air as possible to reduce the proportion of fuel combusted in a reasonable amount of air, the minimization of SO3. Boiler products in the commissioning phase operation must be carried out with the detection of CO-O2 content, to ensure a reasonable amount of supply air, both to prevent lack of oxygen leads to incomplete combustion of fuel, but also to prevent excessive oxygen, a large formation of SO3. 2, an appropriate increase in wall temperature is generally heated return water temperature maintained at 70 ℃, the heated wall temperature above the dew point temperature, low temperature corrosion will not occur. Installation can be adjusted by the boiler water temperature is maintained to ensure a reasonable range, for example using a heat exchanger between the boiler and the circulation system, each independently, an additional pressure bypass system such as to increase the return water temperature. 3, selection reasonable selection of boilers is too small, resulting in less heat heating system, boiler water temperature is maintained at a low temperature level, there will be a lot of condensed water; of course, the boiler oversized, long-term can not be rated hot under load operation, not conducive to the operation of the boiler maintenance. 4, before and after the smoke condensate tank disposed condensate discharge port is provided before and after the smoke box-breasted, promptly discharging the condensed water, is simple and effective method. First, the problem of boiler design, ignore the condensed water droplets phenomenon and the extent of verification or design but unreliable or inadequate. Second, the problem of the condensate drain device is provided, but having a small diameter drainage unit or not a long time to clean up the smoke box open, scales, slag, soil erosion deposited smoke box at the end, blocked drain.
1, the heating boiler is stopped, as is normal shutdown pressure fire, the blower should outage, then outage induced draft fan, the coal supply is stopped, but not circulating pump outage. Because the water pump outage may cause water vaporization furnace, water pumps still continue to operate. When the system temperature dropped to below 50-60 ℃, and then stop the circulating pump. The intermittent heating may not be necessarily shorter interval outage circulating pump.
2, when the furnace start again, should open the circulating pump, the water in the system has reached normal cycle, open the induced draft fan, blower, start the grate and the coal system, gradually recovered coal combustion. When the shutdown longer required pressure furnace, combustion should preferably seam, after clearing slag, then covered with a thick coal seam fire pressure.
According to the fifth point notification prevention campaign of embodiments of Henan Province in 2018 air pollution, guide and encourage the elimination of medium-sized coal-fired boilers details are as follows:
Six months from Hainan Sinochem Pharmaceuticals boiler equipment normally used in odd years, the equipment in good condition, our technical staff has repeatedly went to inspect the guidance. In the process of Hainan with the pharmaceutical companies, the other either for my company's product or service we are very satisfied with our company's reputation and expressed trust. --customer feedback
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