The relationship between the heating area and the flow rate of secondary water supply

Heating area and heat load.

Relevant, heat load = secondary water supply.

Flow rate * temperature difference between supply and return water.

Winter heating is the living needs of residents in northern China. Heating is a social service that solves the basic living needs of residents in northern China for heating in winter.

Ground energy is used as a heat source for heat pump heating and a cold source for air conditioning in summer, that is, in winter, the heat in the ground energy is "taken out", and after the temperature is raised, it is supplied to indoor heating; In summer, the heat in the room is taken out and released into the ground energy.

The energy flow of the heat pump unit is to use the energy it consumes (such as electrical energy) to discharge all the absorbed heat energy (i.e., electrical energy + absorbed heat energy) to the high-temperature heat source. And the role of the energy it consumes is to make the refrigerant.

Freon is compressed to a high temperature and high pressure state, so as to absorb heat energy from a low-temperature heat source.

There is an area, if you can know what year your heating building was built, how much flow is needed for 10,000 square meters, generally in 18-25t h 10,000 square meters, 90 years ago the building will use 25 * area (don't forget to convert, for example, 20,000 heating area, use 2 * 25 = 50), 2000 years before the building multiplied by 20 or 24, after 2000 multiplied by 18 or 19, so that you can know a basic need for the flow, if you can know what the flow rate of the pump is, You can know whether the pump is suitable for this heating area. Report complete!

The heating area is related to the heat load, and the heat load = water supply flow * water supply and return water temperature difference.

The area is counted as the heat load, and the heat load is counted as the flow rate.

Summary. The reason for central heating is that the circulating flow of water supply and return water does not reach the flow we need, and the low flow rate leads to low heat dissipation, and the hot water does not circulate well in the pipes.

Hello, dear, I'm glad to dig your question, the reason why the water supply flow of the Sakura oak heating system is less than the return flow, help you find out: the reason for central heating is that the circulating flow of water supply and return water does not reach the flow we need, and the flow rate is small and the heat dissipation is low, and the hot water is not well circulated in the pipeline.

The reason for central heating is that the circulating flow of water supply and return water cannot reach the flow we need, and the low flow rate leads to low heat dissipation and low trouble, and the hot water can not be well circulated in the pipe stove ridge.

At this time, we can look at the flow of heating water at home. When the heating water is hot but the return water is not hot, you can look at the hot spike meter in the public plumbing tube well. The heating system that is now installed must be equipped with a heat meter in the tube well.

If the instantaneous flow of hot water can reach more than the first step of the heat meter, then the hot water circulation is basically fine; If the flow rate is lower, there is a problem with the circulation; We can look at the amount of flow width flutter in our own home.