If the boiler grate back abnormal is not caused by excessive load, it may be caused by hydraulic system or grate mechanical problems. Beam gun grate, hydraulic system abnormal reasons are generally: proportional direction valve stuck, proportional direction valve failure, cylinder O sealing ring damage, oil cylinder oil leakage. Boiler hood, the site first check whether there is oil leakage, and then check whether the oil cylinder, proportional direction valve temperature abnormal rise. Proportional direction valve failure, cylinder O sealing ring damage, the corresponding part of the temperature will increase a lot because of channel-oil. Cross scraper, if a part of the temperature is very high, you can basically determine the cause and location of the fault.
Boiler grate manufacturer, according to the different situation of boiler accessories can use different methods, if the equipment does not have leakage, but the heat transfer system K has decreased, you can not disassemble the heat exchanger, and use a closed circuit system to descaling liquid into the equipment for a few hours of circulation. The site does not have such conditions, and when the equipment is disassembled or scaling is not too serious, the plate can be washed directly with water without removing it, and a soft brush can be washed with reuse. In thermal power plants, the function of the boiler is to use the heat energy released by fuel combustion to attack high temperature and high pressure steam. The boiler body planning and primary components are set up to complete its function.
Boiler grate boiler chemical cleaning: the necessity of the new boiler chemical cleaning before the operation should be, to remove the equipment in the manufacturing process the high temperature oxidation in the process of rolling skin and with silicon oxide skin, and in the process of storage, transportation, installation, generated by the corrosion products, welding slag into the sediment, grease coating, pollutants, etc. Link, practice has proved that the new boiler chemical cleaning does not have such as before the start of various impurities in the water and steam system and encourage energy conservation and environmental protection equipment manufacturing enterprises through merger and reorganization and other way upward downstream extension industry chain, form a set of engineering design, equipment manufacture and operation management in the integration of management pattern, promote the environmental monitoring, environmental protection engineering consultation and so on related service industry develops rapidly.
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