"Solar water heaters and air-to-air heat pumps are all mature technologies, but they have always been 'privately owned' and we have put together a control system that combines both to save 70% of the electricity used in conventional solar water heaters." Haining Kai Sung Solar Water Heater Co., Ltd. Manager Zhang Chengsong excitedly told reporters.
This air heat pump and solar water heater "match" together, called "hot water automatic control system" thing, looks like an ordinary meter box, it is this humble "gadgets", and its energy-saving efficiency In the country in a leading position.
According to Xu Zhu Ling, chairman of Haining Solar Energy Industry Association, introduced the traditional solar water heaters sunny sunny only in order to heat the cold water, rainy weather in case of rain, the water temperature does not meet the corresponding requirements. And now just heat pump "graft" to the water heater, even in the face of prolonged rainy weather can also heat pump to warm water. Because by 14:00, the water heater in the water temperature is still below 45 ℃, the system will start its own air heat pump, the water temperature reaches 55 ℃, the system automatically shut down, and the heat pump power consumption is the traditional water heater auxiliary system 30% of electricity
Haining City, the sea to send Paper Co., Ltd. is the first city to adopt this system of business, the reporter in the company's staff quarters to see the roof, 160 square meters next to the collector stands four huge water tanks, each tank Storage of 2 tons of cold water, together with the water in the heat pipe, the total amount of water more than 10 tons. Such a large amount of water, just need an air heat pump to get it. The head of infrastructure company calculated such an account: the company previously used diesel-fired boilers to heat cold water, boiler disposable equipment investment of 90,000 yuan; according to the current price calculation, the monthly cost of burning diesel is 24,000 yuan a year It is 288,000 yuan. If you switch to hot water automatic control system, a one-time investment of 260,000 yuan, the next year's electricity bills only 20,000 yuan. Compared with the latter, although the one-time investment is higher, only one year can save 98,000 yuan. He said: "In addition to saving, but also significantly reduce the air pollution caused by fuel."
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