Lagging Solar Industry Is Flourishing Status Of The Standard Perspective - Solar Energy, Vacuum

Copenhagen climate conference, Chinese Premier Wen Jiabao announced China's solar

water heater collector area ranks first in the world! This greatly affirmed China's new Energy , The solar industry practitioners have achieved. However, the low entry barrier industries, the Chinese solar industry after nearly 20 years after the geometric expansive growth, gathered more than 5,000 large and small enterprises, mixed enterprises, industry, market disorder, and is already a vast number of consumers and the industry acknowledged.

"Vacuum" (VacuumTube), on behalf of the vacuum inside glass bottles, to facilitate the free flow of electrons, but also can effectively reduce the oxidation loss of the filament. Diodes, transistors, five diodes, vacuum tubes from the literal representative of the internal basic "pole" of the number. Vacuum tube with three very basic, the first is the "cathode" (Cathode, to K on behalf of): the cathode is of course negative, which is where the release of the electron flow, it can be a piece of metal sheet or filament itself, when filament heated metal plate, the electronics will be free out of a vacuum in a glass scattered in the small. The second pole is the "screen very" (Plate, with P representative), basically it is the outermost metal tube, the outermost layer of the eye to see dark gray or black tube metal plate, usually the very screen. Screen is connected positive voltage, which is responsible for attracting emitted from the cathode electron (remember? Use of the principle of opposites attract), as the end of e-free travel. The third great "gate" (Grid, to G representatives), from the structure, it looks like a circle of small coils, just like the fence general, fixed between the cathode and the screen very, electron flow through the gate to be and to screen very, between the gate voltage can control the flow of electrons, it acts like a normal tap with flow and blocking functions.

Vacuum tube solar water heater is the "heart." Current produced by solar water heater vacuum tube factory mixed, "martial tradition", from 1.5 m to 2.3 m., almost a different tube length, the industry's "traditional." Since the state has not promulgated standards related to rigid standards to regulate the length of vacuum tubes, manufacturers have used the vacuum tube length of this "unique offerings technology" to ensure their sales and the "sphere of influence", resulting in increased maintenance costs of consumers, even been told "can not repair." Today in promoting energy conservation, vacuum tube length uneven, has restricted the transformation of China's largest solar energy efficiency bottleneck for consumers, the correct choice of efficient solar water heater there are consumer guides on the blank, the resulting maintenance inconvenience and waste of resources, and new energy-efficient energy sector runs counter to mind.

Directly determines the quality of vacuum tube water heater units use the whole performance. Performance vacuum tube technology by the coating and cleaning, coating, vacuum, sealing and other process effects. However, some ultra-cheap solar water heater vacuum tube used has the following shortcomings: the vacuum is low, only the quality of the 1 / 100; tube left a lot of impurities and water vapor, a face becomes hot gas, the vacuum was reduced; low vacuum poor stability under the film, in 2023 the intimal layer of the aging off, resulting in rapid decay collector performance, can not absorb enough heat.

Solar water heater caused by "short-lived" The reasons are:

Insulation: Solar water heaters produce hot water during the day is stored in a storage box, if the thermal insulation performance is not good, overnight, rainy days can not be used, or not work. Solar water heater caused mainly due to poor insulation performance water heater insulation, insulation of hot water temperature, good or bad determines the level and amount of how much hot water. Good insulation of imported raw materials, such as polyurethane, low thermal conductivity, high temperature; insulation process is fully automatic quantitative foaming temperature high pressure and high temperature aging treatment, heat stability and high performance and durable. Some inferior materials, high thermal conductivity, foam is not uniform, the night temperature can drop more than ten degrees, rainy days, no hot water experience. There's black heart business, in order to reduce costs, even with home-made polystyrene board, after months of plummeting insulating effect, in 2012, are basically no insulation.

Liner: Currently, most solar water heater manufacturers have said the water container is stainless steel.

by: gaga

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