The material of the radiator: 1, cast iron radiator; 2, steel string radiator (the two are old-fashioned, mainly used in large urban heating in the north), the new cooling gas is now: 1, steel pipe Type (that is, steel pipe type, with round pipe, flat pipe, etc.); 2, steel plate type (mainly imported from Europe, the heat dissipation effect is good, the production process requirements are relatively high, the investment is large, but it is not suitable for central heating, because 3, aluminum alloy type (cheap, short life); 4, copper-aluminum composite (now steel-aluminum composite, stainless steel aluminum composite); 5, cast aluminum; 6, steel inner enamel (The inner enamel is anti-corrosion, long life); 7, copper tube convection radiator and so on.
In recent years, a new “vacuum-free superconducting radiator†has appeared on the market.
The vacuum-free superconducting radiator is a new product developed on the basis of the traditional radiator. The product is water in the steel pipe sandwiched at the bottom of the radiator. A small amount of superconducting liquid is injected into the inner cavity of the radiator. When the water passes through the bottom connecting tube of the superconducting radiator, the superconducting liquid in the superconducting radiator is activated. The activated and vaporized high-temperature gas radiates heat through the surface of the radiator, and is cooled and returned to the heat source to the tube to be activated and vaporized. This work repeatedly to achieve the purpose of heat dissipation. The vacuum-free superconducting radiator is an upgraded product of the vacuum superconducting radiator. The difference is that the vacuum superconducting radiator needs vacuum pump to vacuum the inner cavity of the radiator, and the vacuum-free superconducting radiator is in a normal environment. In the middle, a vacuum is formed by a hot shot. It not only saves the vacuum pumping step, but also solves the problem of difficult after-sales maintenance. If the radiator is not hot, do not need to disassemble, but open the valve directly, add superconducting liquid, and then screw the valve.
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