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浅析真空集热管对太阳能热水器的重要性
来源:http://www.sdlntyn.com 发布时间:2018-8-28 17:26:29 浏览次数:328

目前太阳能真空集热管的性能好坏,直接关系到热水器的性能好坏。冬天或是阴天,如果家里的太阳能热水器热水出得少,或者不保温,那么这台热水器的太阳能集热管的品质就值得商榷。
At present, the performance of the solar vacuum collector is directly related to the performance of the water heater. In winter or cloudy days, the quality of the solar collector tubes of this water heater is questionable if the hot water in the solar water heater at home is little or not kept warm.
质量不过关的太阳能集热管对太阳能的吸收转化能力有限,特别是在冬天和阴天,热水器热水出得少,水温低,保温性能差。好的太阳能热水器在冬天的保温时间为2~3天,但差的太阳能热水器,可能仅过1天水温就跟室温一样了。

Unqualified solar collector tubes have limited absorption and conversion capacity to solar energy, especially in winter and cloudy days, water heater hot water out less, low water temperature, poor insulation performance. Good solar water heaters keep warm for two to three days in winter, but poor solar water heaters may be as warm as room temperature in just one day.

济南力诺瑞特太阳能

太阳能产品质量检验中心的统计显示,海宁的全玻璃太阳能集热管的实际年产量已经达到1.5亿根。但从市场份额来看,产自海宁的太阳能集热管销量仅占全国市场总份额的25%。这意味着,海宁约有一半的太阳能集热管产能过剩。 过剩加上太阳能集热管供需有明显的淡旺季之分,造成了该行业的无序竞争,更终影响了产品质量。据沈斌介绍,更近3年,海宁生产的太阳能集热管中,市面上使用更广泛的57毫米口径真空管的综合合格率为80%左右。
According to the statistics of the Solar Energy Product Quality Inspection Center, the actual annual output of Haining all-glass solar collector pipe has reached 150 million. But in terms of market share, the sales of solar collector tubes from Haining account for only 25% of the total market share in China. This means that about half of the solar collector tubes in Haining are overcapacity. Excess solar collector tube supply and demand has obvious off-season, resulting in disorderly competition in the industry, and ultimately affect product quality. According to Shen Bin, in the last three years, Haining solar collector tube, the most widely used 57 mm caliber vacuum tube on the market, the comprehensive qualified rate is about 80%.
依据《全玻璃真空太阳集热管》国家标准,由省太阳能产品质量检验中心编写的《浙江省全玻璃真空太阳集热管产品质量监督检查评价规则》获准发布。这意味着,在全省范围内,针对全玻璃真空太阳能集热管的监督检查评价有了统一标准。该中心副主任沈斌说,海宁的太阳能集热管生产企业仍然呈快速增加态势。“两年前,海宁只有10多家太阳能集热管生产企业,现在达到46家。”这46家企业中,大部分为中小企业,规模大的企业寥寥无几的。
According to the national standard of "All Glass Vacuum Solar Collector Tube", Zhejiang Provincial Solar Product Quality Inspection Center compiled the "Zhejiang Provincial All Glass Vacuum Solar Collector Tube Product Quality Supervision and Evaluation Rules" was approved for publication. This means that there is a unified standard for the supervision, inspection and evaluation of all-glass vacuum solar collectors in the province. Shen Bin, deputy director of the center, said that Haining's solar thermal collector production enterprises are still increasing rapidly. "Two years ago, there were only more than 10 solar thermal collector production enterprises in Haining, now reaching 46." Most of the 46 enterprises are small and medium-sized enterprises, and there are few enterprises with large scale.
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