Heating is no stranger to the northerners, which is the most commonly used way of heating in winter. But after heating, how is it that many families reflect that the radiator is not hot? What are the causes of the radiator not being hot?
Heating principle
The heat exchanger of pressure storage heating uses the heat of heating to heat tap water into hot water. The larger the heat exchanger volume is, the more hot water will be stored. During heating, the water stored in the heat exchanger is at the same temperature as the heating water.
After using a bucket of hot water, the heat exchanger automatically replenishes the cold water; after more than ten minutes, the hot water can be discharged, and the proportion of hot water is light, and the hot water converted in a short time will be concentrated on the top of the barrel.
The amount of hot water is determined by the heating temperature of the user and the time after the user stops using it. The higher the heating temperature is, the longer the shutdown time is, the higher the temperature of the hot water stored in the cylinder is until the heating temperature is reached.
The reason why the heating is not hot
1. Heating system reasons.
The heating effect of the whole system is affected by the blockage and leakage of some heating systems which have been used for many years but have not been maintained.
2. Heating itself.
Some residents use old-fashioned cast iron heating, which can improve the decoration effect and reduce the quality of life. Some residents will open the heating hood in winter, and the heat dissipation effect will be greatly reduced. If they want to heat up fundamentally, they should use the new type of heating without hood.
3. There is a sound of water in the heating.
Generally in the upper in and lower out installation mode, there is gas in the radiator that can not be discharged.
Close the radiator water supply valve, open the drain valve, discharge the gas inside the radiator, close the vent valve and open the water supply valve.
If it cannot be eliminated, check whether the system flow is too low or the air content of circulating water is too large.
Heating not heat treatment
1. The cause of the heating system is that the heating is not hot.
Touch the pipe connecting the heating by hand. The pipe is not hot. It may be blocked by the heating system. At this time, we can only ask the property management personnel to solve the problem.
After eliminating the blocking reasons of the above system, touch the components behind the air inlet by hand to see if they are hot. If they are not hot from the air inlet, it may be that the pressure supply of the boiler is insufficient, and it should be solved by a professional heating operator.
2. The heating itself causes the heating not to be hot.
Check whether the heating installation is correct, whether the connecting pipelines are correct, and whether the valves are opened correctly.
If it is for these reasons, the treatment method is to reconnect all components and open all valves correctly. It cannot be solved by itself. Please ask professional installation personnel to handle it.
If the heating service life is too long, the inner wall is scaling, the thermal resistance is increasing, the water flow is not smooth, and the heating is not hot, a new type of heating should be replaced.
It is cold to touch the heating by hand. It may be that the drainage valve of the heating fails. There is a large amount of air in the heating, which causes the heating not to be hot.
Loosen the screw on the top of the heater gently. If there is a thread of gas, slowly turn the screw until there is water. Tighten the screw.