Why say closed cooling tower is energy saving and environmental protection equipment, more and more users are using this kind of equipment to replace the original equipment (open tower), we can through data analysis and comparison, the two energy data accounting can be obvious. Energy consumption is basically two major aspects, one is water, the other is electricity. Both are energy costs that no cooling tower can escape, unless you leave the equipment on.
First of all, look at the consumption of water. Water is generally consumed in two aspects. One is the flying overflow after spraying, and the other is the evaporation consumption of water.
Let's look at the open cooling tower, the spray water of the tower is basically between two and three percent of the overflow rate, if we according to the daily operation of 10 hours, excluding holidays, 280 days of operation. According to the actual open cooling tower flow of 6000 cubic meters per hour to calculate. 6000*2%*10*280= 336,000 tons of water, and the same closed cooling tower, its spray flying overflow is very small, because after all, the spray work is carried out in the tower, almost can be controlled in a few thousandths, we calculate according to 5 thousandths, the same is 10 hours of work, 280 days a year operation, To achieve the same cooling amplitude is basically 4,500 tons per hour of closed cooling tower is enough, then the calculation results: 4,500 *0.5%*10*280= 63,000 tons, it is not difficult to see, because of the different design structure caused by the waste of spraying water resources, more than 200,000 tons of terror. The bigger the pool of the open tower, the more wasted water, because the evaporation area increases, and the closed cooling tower has no pool, so the consumption here is zero. Judging from the price of a ton of water, just such a equipment, a year to solve the capital of hundreds of thousands of enterprises.
Let's look at the comparison of electric energy, electric energy is not different, because they are all through the same power equipment to operate the equipment, the power of the two is similar, the running time is the same, basically the energy consumption is about the same.
To sum up, for the closed cooling tower energy saving accounting can be strong to open the tower out, and, today are advocating energy conservation and environmental protection, this is the general trend, so the closed cooling tower is more and more favored by the majority of users.
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According to data provided by UBS, China has been growing rapidly in terms of power equipment exports in recent years. From 2007 to 2009, the annual growth rate of the installed capacity of electrical equipment exported by China was between 30% and 200%. In 2009, China’s exports have reached 16 million kilowatts, which is expected to exceed 22 million kilowatts this year, and the amount may reach more than 2 billion U.S. dollars.
Dai Jun believes that due to the price advantage of Chinese manufacturers and the continuous improvement of their overall technical strength, overseas opportunities will be great in the future. However, at present, China's power equipment manufacturers are already conducting a "price war", which will have a greater impact on the market. Dai Jun said that China has nearly 5 million kilowatts of capacity in the field of wind power, and it is the world's largest wind power market, and it has a serious surplus.
Talking about the power shortage that has received much attention recently, Dai Jun pointed out that in the long term, power shortages will appear from time to time in media reports, because in the current situation when the power grid is not very mature, the installed capacity of thermal power is reduced. The decline in power regulation capability. In the summer when some of the peaks have been reached, it is difficult to adjust peaks regardless of wind power or other new energy sources. At the same time, there are also certain defects in the layout and planning of thermal power in China.
At present, China's wind power industry has gradually entered the global market
Recently, the International Symposium on New Energy Development hosted by UBS Group was held in Shanghai. At the meeting, Dai Jun, a UBS securities and stock analyst, said that after years of efforts, China's wind power equipment industry has gradually entered the global market, and the development momentum is good. However, due to a serious overcapacity, China's power equipment manufacturers have seen the appearance of a "price war" at home and abroad, which will have a major impact on the domestic new energy industry in the future. China's power equipment manufacturers should focus on the world, and emerging markets represented by India will provide market growth opportunities for wind power, thermal power and hydropower manufacturers in China.