In 1, the cast iron radiator
1) has the advantages of simple structure, good corrosion resistance, long service life, low prices, stable performance;
2) water capacity is larger, thermal inertia is large, slow temperature rise, can not meet the independent heating system corresponding speed requirements;
3) in the production process of cast iron radiators are often consume too much energy, pig iron, environmental pollution is very serious.
4) cast iron radiator cavity with sand tends to fireplace life and control instrument job brings adverse effect. The cast iron radiator is not suitable for the independent heating system. A long time rusty appearance, gasket general seepage.
In 2, steel radiator
1) metal of high strength, strong pressure resistance, beautiful appearance, convenient installation and repair, fast heat dissipation, low water temperature were also can give off heat, easy realization of mechanization production.
2) steel heat radiation to the independent heating system with long service life, corrosion resistant aging. To do in heating use filling wells or water, better to get the whole system water heating DNA, DNA after water not on the radiator system caused by oxidation, in the system of internal water just added enough water is good, never arbitrary release system in hot water to use, if the continuous system the interior of the hot water, recharge water, the additional water contains a lot of oxygen on the radiator and the whole system caused fatal corrosion. In the heating after use the original water for the whole system filled with water maintenance. Many do not understand the customer to let out the water oxygen can enter the heating system to produce oxidation corrosion. The system of a few years will be very fast water leakage can not be used. Independent heating radiator the best choice of a good low carbon steel radiator, a radiator of best preservative, preservative ( not the number of times the more the better, this is a misunderstanding, the best preservative made the longest lifespan is 10to 9 years, and according to the procedure to do to achieve the best effect, but the cost will increase many, anti-corrosion do too thick and radiator wall loss, and is the main radiator cannot synchronous expansion and contraction, and paint, brush thick will burst in a sense. " ) But the good steel radiator can not anti-corrosion internal nor in the heating system from corrosion, if central heating steel radiator corrosion and anticorrosion in use is not greatly affected by the. If preservation do not, but also on the radiator caused fatal injuries. Because of corrosion life up to 10 years. We can see the central heating pipeline internal corrosion is not, in the original iron pipe cut open after you will find the internal pipe wall with a tuft of black mucosa, no rust and corrosion phenomenon. Concentrated heating water is deoxidized and softening.
3, aluminum radiator
1) has the advantages of high thermal efficiency, rapid temperature rise, beautiful appearance, energy saving and material saving, along with the people to the radiator decoration, controllability, economic and other requirements to highlight, in recent years has been rapid development.
2) in low temperature hot water radiator independent heating mainly in Italy, Spain and other European countries aluminum radiator with its elegant taste and artistic excellence performance occupy most of the market share.
3) the main drawback is afraid of alkali corrosion. But for the independent heating system, water is neutral to weak acidic water, severe impact. Is aging fast short life. The higher the temperature aging more rapidly.
In 3, copper and aluminum composite radiator
1) to the copper pipe as the water component, is a Chinese characteristics of the radiator, the biggest advantage is resistant to acid corrosion, also have some of the characteristics of light radiator, is more suitable for the independent heating system with aluminum radiator, copper and aluminum composite radiator to use relatively scarce copper materials, radiator is more expensive.
2) compared with a single shape, shape can not be like aluminum radiator as made into various artistic designs; mainly rely on convection heat dissipation, easy appear smoked wall phenomenon. The low temperature powder no heat. Application of high temperature heating.
