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Scientists use magnetic fields and deformed alloys to develop refrigeration systems Solar driven adsorption refrigeration Technical characteristics of solar air conditioning The application of photovoltaic central air-conditioning technology will continue to extend The cold storage was built in this way, which actually saved nearly half of the electricity bill!There is solar energy in the water vapor, which can be used for heating and cooling
What is water vapor energy? This unfamiliar term is actually not difficult to understand: the solar heat stored by water vapor in the air exceeds the sum of the solar heat stored by nitrogen and oxygen, which account for 99% of the air mass. Using this renewable energy, a team of enterprises in Hunan developed the "Water Vapor Energy Heat Pump Central Air Conditioner" technology, which won Hunan's first "q * Habitat Environment Green Technology Example" award. On November 23, the Hunan Provincial Science and Technology Association held a press conference to introduce "water vapor energy", a new type of clean energy, to more people.
"Water vapor energy heat pump" was developed by the team of Hunan Dongyou Energy Saving Equipment Co., Ltd. The team leader Huang Guohe introduced that the heat stored by water vapor in the air can be extracted and applied day and night regardless of the weather. The company calls this energy "water vapor energy".
How to extract "steam energy"? Huang Guohe explained that the "vapor energy heat pump" system uses the temperature difference technology to change the "gaseous" water into "liquid" water in winter to release heat energy, and the vapor energy collection system absorbs heat as a heat source for the "vapor energy heat pump" host to supply the building Heat; in summer, the "liquid" water is turned into "gaseous" water to absorb heat energy, and the water vapor energy collector emits heat through the "water vapor energy heat pump" system to cool the building.
"In short, it is the use of energy conservation law." Huang Guohe said that because it does not use coal, oil, natural gas and other fossil energy to produce heat, but only carries the heat stored by the water vapor in the air, so the "steam energy heat pump" ratio The traditional boiler-fired central air-conditioning heating method is economical and environmentally friendly, "the source of smog air is less at the source."
Liao Shengming, chairman of the Hunan Provincial Refrigeration Society and dean of the School of Energy Science and Engineering of Central South University, believes that water vapor energy can be regarded as a kind of air energy, but it can effectively overcome the low efficiency and poor working conditions when directly using air energy. The shortcomings are especially popular in the southern region of "low temperature and high humidity" in winter.
Background
With the support of the United Nations Environment Program, the q * Habitat Environment Forum launched the "q * Habitat Environment Award", which is divided into seven categories: city, scenic spot, architecture, transportation, design, technology, and individual. It is understood that the application technology of "water vapor energy" energy is an s * example in the world.
Story
Creation caused by temperature difference between aircraft cabin and ground
The development and utilization of water vapor energy brought Huang Guohe and his team to the United Nations podium. Huang Guohe told reporters that before paying attention to the air-conditioning industry, he had sold electrical appliances, fitness equipment, and opened a liquefied petroleum gas company. The discovery and utilization of "water vapor energy" originated from an accidental discovery in a plane.
In August 2006, the high temperature in Changsha z * exceeded 40 degrees Celsius. At that time, Huang Guohe flew from Changsha to Beijing. "During the flight, I had no intention to find the data on the cabin screen: the flight altitude was 10,000 meters, and the outside temperature was minus 39.8 degrees Celsius." Why is the temperature difference so great? This inspired Huang Guohe's curiosity for knowledge. After consulting relevant experts at Tsinghua University, he learned that the plane was flying in the stratosphere of the atmosphere. This layer of air does not contain water vapor that stores solar heat, so the temperature becomes lower. The higher the altitude, the thinner the air and the lower the temperature.
"Since water vapor in the air is a free energy storage carrier for heat, why not convert this heat into energy that can be used by humans?" Huang Guohe came up with a bold idea: in a temperature area suitable for human activities, use The temperature difference of 5 degrees Celsius to 10 degrees Celsius condenses and liquefies "water vapor", allowing the water vapor to release heat, thereby obtaining heat. Water vapor energy has become a renewable ecological energy.
Now, the administrative office building of Lengshuijiang Municipal Government, Shanghai Yan'an Hotel, Changsha South Railway Station, Shanghai Hongqiao Airport, etc. all use the "steam energy heat pump" system. This system saves customers an average of 40% in operating costs
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