On August 11, 2016, China Chemical and Physical Power Industry Association released the list of “Top 100 Enterprises in China's Battery Industry in 2015. The ranking is based on the sales revenue of enterprise products in 2015, and refers to other economies such as total profit and foreign exchange earned. At the same time, the association also released a list of the top 30 enterprises of lithium-ion batteries, a list of the top 20 enterprises for lithium-ion batteries for power use, and a list of the top 20 enterprises for lithium-ion battery exports.
According to the statistics of China Chemical and Physical Power Industry Association, in 2015, China's lithium-ion battery industry ushered in a rare opportunity for development, and various power lithium-ion battery manufacturers are in short supply. Stimulated by various national support policies, China's new energy vehicle production has grown rapidly. In 2015, new energy vehicle sales exceeded 330,000 units, plus the demand for lithium-ion batteries for electric bicycles (about 3.3 million units), 2015 In the year, China's power battery market exceeded 32 billion yuan, the total demand for power batteries exceeded 16 billion watt-hours, the lithium-ion battery market for digital products was about 64 billion yuan, and the lithium-ion battery market for energy storage was 2.5 billion yuan. The sales revenue of lithium-ion battery products in China exceeded 98.5 billion yuan, an increase of 37.7% over the same period of 2014. While seeing the rapid development of the lithium-ion battery industry, we must also clearly see the hidden dangers behind the rapid growth. Various quality power batteries will be put on the market, which will bury huge security risks.
In 2015, the export volume of lithium-ion batteries was 1.491 billion, and the export volume in 2014 was 1.322 billion, an increase of 12.8%. In 2015, the export value was 6.494 billion US dollars, and the export value in 2014 was 5.475 billion US dollars, an increase of 18.6%.
In 2015, the demand for power batteries for new energy vehicles in China was 15.6 GWh, and there were more than 140 supporting enterprises supplying power batteries to the whole vehicle. According to the capacity statistics of 30 major enterprises, the power battery capacity of 30 enterprises by the end of 2015 is about 33GWh. In 2016, most of the power battery companies are actively expanding production. At the same time, new enterprises are still joining the power battery industry. It is estimated that by 2016, China's power battery capacity will exceed 60GWh, and the number of companies engaged in power battery production will reach 160. According to the association's forecast analysis, the total demand for electric vehicles in China is about 600,000 in 2016, including 400,000 for passenger cars and 200,000 for commercial vehicles. The total demand for power batteries is about 25 GWh. The products of the backbone enterprises with structural excess and quality assurance will be in short supply, but the new entrants or poor quality enterprises will be seriously over-resourced. I hope the government will strictly check the conditions of the standard, improve the threshold of power batteries, and promote the power lithium-ion battery. The industry develops healthily and orderly.
Combined Flow Closed Cooling Tower
Closed Cooling Tower is operated by circulating water or fluid, which is divided into two closed loops.
1. Circulation in the tower: the circulating water or fluid passes through the hot zone environment. After the water temperature rises, it enters the surface cooler in the tower, and the heat is sent to the environment outside the tower through the surface cooler and ventilation fan. The cooled circulating water or fluid is sent to the heat source by the water pump.
2. Circulation outside the tower: the spray water is sent to the spray system by the water tank through the water pipe. After spraying, the spray water first exchanges heat with the filler, so that the spray water can be cooled rapidly. At this time, the water contacts the surface of the surface cooler for heat exchange. Part of the hot steam is discharged through the ventilation fan, and the cooled spray water drops to the water tank for secondary circulation to form an external circulation for cooling.
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