探析燃气空调的应用与发展(4)

2018-11-17 20:23

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其运行费用就比电力空调低一倍以上[9]。

In addition, the price of all kinds of energy in China is not very reasonable, especially the price of natural gas, are not consistent with international practice. In Beijing, more than 1 m3 natural gas to 1.6 yuan, equivalent to 4 KWH electricity costs, abroad more than 1 m3 gas equivalent to about 2 KWH electricity costs, because 1 m3 natural gas can send 3 KWH electricity [8]. With China's energy structure adjustment and economic development, all kinds of energy price in China will tend to rationalize, city natural gas prices relative to the price will be reduced, this will make the operating cost of gas air conditioning will decrease further. There is summer is a peak in China, gas breakdown, winter for electricity trough, the gas peak energy consumption present situation, the parts have been implemented peak valley electricity, can foresee the future in the major cities in China is bound to promote peak valley price, but with the wide use of natural gas, will also implement the peak valley price gas, and gas air conditioning use time is to catch up with peak electricity price and value, will certainly greatly saves the operation cost. At the current gas air conditioning users in Japan, because the state practices the system of electricity and the peak value gas price, encourage more use of natural gas in summer, the operating cost is lower than the electric air conditioning a times above [9].

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另外,发展燃气空调还能为国家带来很大的社会效益,提高天然气管网的利用率,降低相对维护成本。目前的天然气输送管网的利用率很低。以陕北到北京的天然气输送管道为例,由于季节供气不平衡,管线供气能力有30个亿,实际用气只有10多个亿,管网利用率只有30%左右,冬夏差非常大,冬季高峰的平均用气量是夏季最低月份的平均用气量的5倍[2],季节不平衡非常严重,最直接的后果是经济成本加大。虽然建设地下储气库可以解决用气不平衡问题,但成本依旧很高。因此,发展燃气空调,提高管网利用率的同时也降低季节用气的不平衡性,有“一举两得”的功效。

In addition, the development of gas-fired air conditioning still can bring great social benefits for the country, improve the utilization rate of natural gas pipeline network and reduce the maintenance costs relatively. The gas pipe network utilization is very low. In northern shaanxi to Beijing natural gas pipeline as an example, due to seasonal supply imbalance, pipeline gas supply capacity is $30, actual gas only more than 10 billions, network utilization rate is only 30%, winter and summer difference is very big, the winter peak in summer minimum average is the average gas gas five times [2], seasonal imbalance is very serious, the most direct consequence is more economic cost. Although the construction of underground gas storage can solve the problem of unbalanced gas, but the cost is still high. Therefore, development of gas air-conditioning, improve

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the utilization ratio of network also reduce seasonal imbalance of gas at the same time, have the effect of \two birds with one stone\

目前,西部大开发是我国的一项重大经济发展政策,西气东输又是西部大开发的一个重要组成部分,也是我国的一项重要能源调整政策。合理利用天然气,关系到西气东输政策的成败,而燃气空调则是天然气资源的一种较好的利用方式。从美国加州2001年夏季、2002年夏季发生了几次电力危机和今夏我国众多省份拉闸限电来看,连日高温导致发电厂超负荷运行,其中大量使用电空调器是导致电力危机的一个重要原因[2],这也说明发展燃气空调,使之与电空调器构成合适的使用比例,从而减少电空调器在夏季对电网的冲击,可以避免类似的能源危机在我国发生。

At present, the development of the western region is a major economic development policy in China, the west to east gas pipeline is an important part of the western development, is also an important energy adjustment policies of our country. Rational utilization of natural gas, and relates to the success or failure of the policy of west-east gas, and gas air conditioning is a way of better use of natural gas resources. California in the summer of 2001, in the summer of 2002 from the United States happened a few times electric power crisis and electricity in many provinces this summer, days of high temperature in power plants run overload, the

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extensive use of electric air conditioner is an important cause of the electricity crisis [2], it also suggests that development of gas air-conditioning, electric air conditioner with constitute the use of appropriate proportion, thus reducing the electric air conditioner impact to power grid in the summer, can avoid a similar energy crisis in our country.


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