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Function of circulating air source heat pump water tank

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What is the function of the water tank of circulating air source heat pump? For the first time to understand this kind of heating system users know nothing, the following small to introduce the role of the water tank.

 Circulating air source heat pump water tank

Avoid frequent start and stop of main engine

Due to the limited circulating water in the loop, the main engine will stop working when it reaches the design temperature in a short time, and then in a very short period of time, when the water temperature reaches the starting condition of the host, the host will start again. Frequent start-up will greatly reduce the service life of the main engine and waste power. Adding buffer water tank can increase the water capacity of small-scale system, store cold and heat, make the system temperature change more stable, and avoid frequent start-up and shutdown of the unit when the main engine is running at low load.

Under the standard condition of air source heat pump heating, the starting and stopping times of the main engine is an important parameter to measure its service life. The increase of buffer water tank is equivalent to the increase of energy storage in the system. The system temperature changes smoothly. The start-up and stop times of the main engine are naturally reduced, and the service life can be increased accordingly, which can also play a certain energy-saving effect.

More thorough blowdown to prevent system blockage

The buffer water tank can make the system drain more thoroughly and prevent the system from blocking. When the circulating water flows through the water tank, the flow rate will slow down, and the impurities in the pipeline will slowly accumulate at the bottom of the buffer tank through the circulation, and the water quality in the system will be better. The bottom of the buffer tank is equipped with a drain valve, which is convenient to clean.

The buffer water tank can protect the main engine, effectively solve the load fluctuation and frequent start-up problems caused by the small system, effectively reduce the start-up and shutdown times of the host, protect the life of the host, save energy, and automatically discharge pollutants and exhaust.

Efficient defrosting

In winter, defrosting will have an impact on the room temperature. The unit needs to consume the heat in the pipe during reverse cooling. If the water quantity of the water system is small, the defrosting time will be prolonged, which will cause the water temperature in the pipeline to be low, thus affecting the fluctuation of indoor temperature.

The installation of buffer water tank can ensure that there is a certain temperature in the water tank during the defrosting process, which can effectively defrost, shorten the defrosting time, reduce the heat consumption, and avoid the fluctuation of indoor temperature caused by the main engine defrosting, which leads to the decline of comfort. The buffer tank also plays a role in stabilizing the terminal effect of the system.

Automatic exhaust to avoid failure

As the change of water temperature will lead to gas generation, if the gas in the system can not be discharged in time, it may cause system instability and cause the main engine to report fault. The buffer tank can ensure the smooth flow of water in the system, complete the automatic exhaust, and avoid the failure of the unit.

When the water tank is placed in the return water system, the circulating water enters from the upper part of the water tank and discharges from the lower part, so that the gas in the water will accumulate in the upper space of the water tank, and the pressure in the closed system will automatically force the gas to be discharged from the upper exhaust valve. There is no gas at the bottom outlet of the buffer water tank, which can not only protect the impeller of the water pump, but also discharge gas to ensure the normal operation of the main engine.

The above will be our detailed introduction about the role of circulating air source heat pump water tank, which shows that the role of water tank in the whole system is very large, so the water tank also becomes the equipment that must be installed in the whole system, and it must not be installed for various reasons, otherwise the operation of the whole system will also affect.



04

2020-03

Function of circulating air source heat pump water tank

What is the function of the water tank of circulating air source heat pump? For the first time to understand this kind of heating system users know nothing, the following small to introduce the role of the water tank. Avoid frequent start-up and shutdown of the main engine. Due to the limited circulating water volume in the loop, the main engine will stop working after reaching the design temperature in a short time, and then in a very short period of time, when the water temperature reaches the starting condition of the host, the main engine will start again [learn more]


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