Wall-hung boiler (built-in expansion tank and water pump)
The function of the wall-hung boiler is to provide the required heat for the system. It is the heart equipment of the family independent heating system, so the quality of the system will seriously affect the heating effect of the whole system.
Split-catchment (with flow balance valve and thermoelectric valve)
The high-quality sub-catch, its shape and structure should be designed in terms of hydraulic power, the pressure difference between each branch is very small, easy to install, each circuit has a precisely adjustable flow balance valve, laid in different pipelines In the case of a thermoelectric valve, the required thermal load and individual room temperature requirements can be provided for different areas. The automatic venting valve in the sub-catch configuration also removes air from the system to prevent cavitation and noise, etc., due to air-induced system problems. The configured drain valve facilitates system maintenance.
Ring booster pump (with wall-hung boiler linkage)
The main function of the circulating booster pump equipped with the wall-mounted furnace coupler is to compensate the loss of the water pipeline along the path and the local resistance, and ensure that the heating and hot water can be transported to the heating function zones according to the design value. The function of the wall-mounted boiler coupling is to ensure that the interlocking circulation booster pump stops when the boiler is stopped.
Thermostatic mixing valve
The main function of the constant temperature mixing valve is to mix a part of the heating and returning water into the heating water supply pipeline to ensure the heating water supply temperature is 40-45oC, because the wall-mounted furnace has the highest thermal efficiency when the water supply temperature is 78-80oC, and foreign research proves that the long-term floor temperature has passed. High will damage the floor and cause capillary disease in the human leg. To protect the floor and meet human health requirements, the floor temperature should be 29-30oC, so the return water temperature of the pipeline is between 35-40oC, to ensure the heating water supply temperature. For 40-45oC, a portion of the 35-40oC backwater must be mixed into the 78-80oC water supply.
Differential pressure bypass valve
In the heating system with independent temperature control, the water flow and pressure values ​​in the system are constantly changing with the opening and closing of each area, which may exceed the actual working range of the boiler and water pump, causing the pump to “blockâ€. The water in the boiler is rapidly evaporated and abnormal phenomena. After installing the differential pressure bypass valve, the system water pressure and flow rate can be controlled within the set value range to make the system run smoothly.
Automatic bleed valve
The main function of the automatic venting valve is to discharge the water vapor in the pipeline to prevent the formation of a gas plug in the pipeline and to block the flow of water in the pipeline.
Drain valve
The main function of the drain valve is to discharge the water in the system pipeline when the heating system is maintained for maintenance.
Anti-condensation balancing valve
If the heating return water temperature is too low, the temperature difference between the surface temperature of the heat exchanger and the flue gas temperature will be too large, condensation will appear on the surface of the heat exchanger, and sulfur oxides and nitrogen oxides in the condensate and flue gas will form. Acid will corrode the heat exchanger, affecting boiler efficiency and service life. At the same time, it will cause malfunctions of sensors, wind pressure switches and other equipment in the boiler. Therefore, a part of the water supply must be diverted to the return water through the anti-condensation balance valve to increase the boiler return water temperature, so that the system can operate normally.
Temperature control center
The most important indicators of the home independent heating system are temperature and air consumption. The temperature control center adjusts the indoor temperature by controlling the indoor temperature of the sub-catch thermoelectric valve according to the induced indoor temperature. The temperature control center not only can have sufficient water flow in the system, ensure the uniformity of heat dissipation on the ground and prevent the occurrence of uneven heat and cold, and at the same time, the boiler can always run in the best working condition, and the energy saving effect is remarkable.
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