Precautions for hot water boiler blowdown
Release time:
2021-08-24
To ensure the stable operation of the hot water boiler, what specific preventive measures are related to wastewater discharge? For hot water boilers, before performing the drainage work, the water level in the boiler should be adjusted to slightly above the normal water level. There should be no running water sound in the wastewater pipe. Touch the drain pipe outside the drain valve with your hand. If the temperature is high, it indicates that the drain valve is leaking, and it should be checked in time to find the cause and then eliminated.
To ensure the stable operation of the hot water boiler, what are the specific preventive measures related to wastewater discharge? For hot water boilers, before performing the drainage work, the water level in the boiler should be adjusted to slightly higher than the normal water level. There should be no running water sound in the sewage pipe. Touch the sewage pipe outside the drainage valve with your hand. If the temperature is high, it indicates that the drainage valve is leaking, and it should be checked in time to find out the cause and then eliminate it.
The drainage of the hot water boiler itself requires regular and uniform drainage, at least once per shift. A boiler has multiple drainage pipes at the same time, and each drainage pipe should be drained in turn. If only part of the sewage pipes are discharged, and the other part is not discharged, part of the sewage pipes will be blocked, thus damaging the water circulation. In severe cases, pipe bursts may occur. When multiple boilers use the same drainage main pipe at the same time, and there is no check valve on each boiler's drainage pipe, in this case, simultaneous drainage is strictly prohibited to prevent backflow of drainage and entering other boilers.
When the hot water boiler is performing the drainage work, it should be carried out after the boiler is compressed or under low load, because at this time, the water circulation in the boiler is relatively slow, and the dirt in the pipeline will be very serious. It is also easy to accumulate, and the drainage effect will be better, and it will not affect the boiler's output.
The drainage operation of the hot water boiler should be carried out in a shorter state, that is, the time interval for each drainage should be short, and it should be repeated many times, which is conducive to the rapid flow of dirt to the boiler. Drainage port, so that it can be discharged centrally. In the hot water boiler drainage work, the change of water level should always be paid attention to, to prevent the lack of water in the furnace due to the drainage work, and the relevant personnel are prohibited from leaving the scene.
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