After combining with years of work experience, and referring to the large number of documents ,I explained the general industrial water boiler water quality that poor water quality of the boiler on the harm were caused by industrial boilers and proposed protection measures. Water boiling feed basically uses the city tap water. Because water is not absolutely pure, and is bound to contain some impurities. If you do not deal with the boiler feed water, boiler operation will soon end with a very thick scale, which is only 1 / 20 ~ 1 / 50 of the thermal conductivity of metal . After scaling the boiler flue gas temperature will increase, reducing the efficiency of the boiler heating, coal consumption increased. Boiler feed water dissolved oxygen oxygen system has exceeded the problem because the water temperature into the deaerator temperature can not meet the oxygen requirements of deaerator tower damage. Transformation through the desalination of water re-heat water is in order to improve inter injector temperature, the use of reinforcement methods deaerator tower nozzle device performance improvement and transformation of oxygen sampler reduce the analytical error. Standarded operations to stabilize the deaerator pressure and water level, the boiler feed water dissolved oxygen stable at 5μg / L or so, eliminating the long-term stable operation of the boiler hidden.
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