Advanced techniques or a heating efficiency growth – heating, heat – HVAC & R industry
HC HVAC & R Network At the national energy saving, low-carbon economy for the implementation of Environment , The advanced techniques, will be Heating The benefits of integrated enterprise growth.
To gas in the heating industry for the Energy Heating equipment commonly used with wall-hung boilers, floor furnaces and heat pumps, furnaces and condensing wall-hung boilers are classified into general furnace, floor furnace steel and cast iron stove with oven, heating the domestic market with integrated systems basically are more common furnace, condensing furnaces because of the price of imports more expensive, it is not supporting the use of many common furnace in accordance with its own structure, more suitable Radiator , Radiator "onMouseDown =" returnhcclick ('? Hvacr_tracelog = end_articalHotword_233') "target =" _blank "> radiator Heating systems, condensing furnace suitable for floor heating system, floor furnace generally Heating When the use of larger, more expensive price, but the cast iron floor furnace life is 2-3 times the normal wall-hung boilers.
Now integrate many heating companies did not really understand the rational use of heating systems, integrated heating system during construction generally only know when the copy blindly " Gas Boiler "OnMouseDown =" returnhcclick ('? Hvacr_tracelog = end_articalHotword_265') "target =" _blank "> gas boilers + Water separator + to warm coil ", in fact, in this configuration under the heating system, gas boiler is only 60-65% actual usage, such as 24KW of wall-hung boilers, floor heating system in accordance with the required water temperature of 45-50 degrees Celsius When the water supply, its real power only 18KW (according to Yan Wei Sheng Lin stoves commonly used measurement company), which is determined by the characteristics of wall-hung boilers themselves, and wall-hung boilers of the water temperature is higher, the greater its actual power. In this case, if you do not install the device, then mixing water generally higher power of wall-hung boilers configuration options to meet the request, because the water temperature is set low, the boiler tubes were not for how much time the return water temperature reached a certain temperature, the wall-hung boilers burning stop, whether you have failed to reach room temperature, return water temperature is low, such as restart, so often frequent start, is not conducive to energy conservation. In addition, the local heating effect of a bad time to debug, the raising of the system Water temperature, in fact, heating system water temperature higher than 50 degrees inside when the water will precipitate calcium, water separator easily scale the passage of time can easily lead to normal after the stem scale switch, while high temperature will speed up to warm- and surface decoration materials, aging, shorten life, so taking into account the best matching floor heating system, the need to increase high-temperature protection device (also known as mixing water device), so wall-hung boilers working in 75-80 degree heat condition, and to warm the water temperature inside the tube after mixing with water system, the flow is below 50 degrees cold water. In addition, due to relatively small wall-hung boilers built-in pump power, pump flow output characteristic is smaller the greater the lift, the pipeline system greater resistance to flow in less time, increase the mixing water after installation, floor heating systems can flow inside the coil to increase 2-3 times, as the heating to warm faster, with output of the boiler at high temperatures the highest thermal efficiency generally can reach 85-90%, and rapid heating to a comfortable temperature requirements, shorten the construction of indoor and outdoor temperature difference of heat loss heat loss, so to achieve the purpose of energy saving.
In energy saving control, the use of 24 hour programming Thermostat ,
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