1. Reasonably select the heat transfer oil according to the type of boiler. To prevent over-temperature use, you must not save money to buy unqualified oil, do not mess with heat-conducting oil, or the consequences will be serious.
2, strict control of the heat transfer oil circulation flow rate of not less than 1.5 m / s, due to the use of some of the temperature difference between the inlet and outlet pulled too much, destroying the original design requirements, so that the heat transfer oil can not maintain the original cycle state, the boundary layer Thickening, the thermal resistance becomes larger, so that the furnace wall exceeds the temperature of the oil film, causing carbon deposition, cracking, polymerization, coking, and even burning through the furnace tube of the heat transfer oil.
3. Sudden power outage, in strict accordance with the operation instructions of the boiler, otherwise the furnace tube will burn out and the loss will be huge.
4, stop the furnace, generally reduce the temperature of the heat transfer oil to below 100 degrees to stop the hot oil pump.
5, rigorous and random over-temperature operation, increase the air volume, more fuel, so that the heat transfer oil is often in an over-temperature state, so that the heat transfer oil cracking coking can occur, long-term will occur a big accident.
6. After using the boiler for half a year, the heat transfer oil must be sampled and tested according to the instructions. If the problem is found, replace the new heat transfer oil immediately, but it must be noted that different types of heat transfer oil should not be mixed.
7. Prevent oxidation of heat transfer oil. Strict heat transfer oil >50 degrees contact with air; this will cause the heat transfer oil to crack, its speed is amazing, and the consequences are very serious, requiring the test crew to close the exhaust valve on the auxiliary exhaust pipe after normal operation, remember .
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Label: 7 key to extending the service life of thermal oil furnace
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