Air conditioning sheet metal components: Introduction and function of buffer water tank in air conditioning system
2023-09-27 09:38
Air conditioning sheet metal components: What is a buffer water tank?
Connecting buffer water tanks in series in the central air conditioning system can increase the water capacity of small systems, store cooling or heat, and effectively solve problems such as load fluctuations and frequent host startup caused by small systems, thus achieving the goal of extending equipment service life and saving energy.
Air conditioning sheet metal components: unique function of buffer water tank
1. Forced automatic exhaust function in the system
As long as the function of reducing the number of starts and stops of the host is reduced, a buffer water tank can be installed in the host's water outlet pipeline or indoor water return pipeline.
2. Protection of the power component water pump in the water system
The bottom outlet of the buffer water tank is connected to the suction port of the water pump, and the water from the suction port is airless (air cannot come down from the upper part of the water tank), which greatly reduces the cavitation phenomenon of the water pump impeller. The water sucked in is pure water, and the water circulating by the water pump will naturally push the gas in the system to the outlet of the system, and then enter the upper inlet of the buffer water tank. The gas brought by the system outlet will be forcibly discharged by the exhaust valve at the top of the water tank, which becomes a virtuous cycle. In a non buffered water tank system, when the water pump sucks in water containing gas, the impeller will break the gas into the system, resulting in the presence of gas everywhere in the system, making it more difficult to discharge. The flow switch of the water pump often alarms and keeps starting and stopping, greatly increasing the difficulty of debugging.
3. Avoid high-voltage protection of the host.
The water entering the motherboard for exchange is pure (gas free) water, which can better exchange energy and increase heat exchange efficiency.
4. Easier debugging and faster results.
When the system's water supply reaches half, debugging can begin. The water flowing into the host and water pump is pure and airless, and the heat will be quickly transmitted to the end, greatly reducing debugging time. In the early days, the author engaged in air conditioning construction, debugging a villa, and couldn't finish it in three or four hours. Because there is too much gas in the water, the flow switch often gives an alarm, and the heat exchange of the host is insufficient, it will be protected by high pressure. But the effect after gas blockage is not significant. Both of these greatly extend debugging time. In a computer room system with a buffer water tank, it usually takes one to two hours to complete debugging.
5. The system discharge is more thorough, preventing system blockage, and making discharge more convenient.
The impurities in the pipeline are constantly circulating because after passing through a vertical large capacity water tank, many impurities will accumulate at the bottom of the buffer water tank. After passing through a Y-shaped filter, the water quality will be much better, reducing the number of times the filter is cleaned. The drainage outlet of the buffer water tank is set at the bottom of the water tank and equipped with a manual drainage valve, making cleaning more convenient.
6. Winter heating makes the system operate more stably.
When using small air-cooled heat pumps in severe winter, the impact of defrosting time on indoor temperature is a headache. If the host is equipped with auxiliary electric heating and defrosting, the COP value of the host will be greatly reduced.
The above is an introduction to "Air conditioning sheet metal components: What is a buffer water tank?", and any other questions are welcome to consult us.
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