Beijing Jiajie and Suzhou Delan high-temperature molten salt valves are put into mass production

The first batch of anti-residual high-temperature molten salt valve jointly developed by Beijing Jiajie and Suzhou Delan has passed the strict inspection and successfully rolled off the line. It will be shipped to Beijing recently. The valve will be applied to the high-temperature melting of Zhonghaiyang Energy Group Co., Ltd. undertaken by Shanghai Jiaotong University. Salt heat storage system project.

The biggest difference between solar thermal power generation and other new energy power is the energy storage function. High temperature molten salt storage energy has become the first choice for CSP energy storage with its unique performance advantages. However, high-temperature molten salt has been monopolized by several developed countries in Europe and America due to its characteristics of easy solidification, high temperature and strong corrosiveness. The high temperature molten salt valve is the key equipment of the energy storage system. It is related to the safety and reliability of the whole system operation. In the industry, the "valve" color change can be used to describe the high temperature molten salt valve.

Beijing Jiajie New Energy Saving Technology Co., Ltd. and Suzhou Delan Energy Technology Co., Ltd. jointly formed the research team of high temperature molten salt valve on May 1 last year. The technicians worked together to overcome the difficulties. In June this year, the first prototype was developed. Recently, mass production, especially in key parts such as valve parts and seals, has passed the 800 °C high temperature test and fatigue test, and more than 50 technicians of the research team have devoted a lot of effort and labor.

The valve fully absorbs the advanced technology of similar foreign products and digests and innovates. It can be used in the critical and harsh fields of high temperature, corrosive and leak-free conditions. The use temperature reaches 596 ° C, the design pressure is 600 LB, which fully meets the requirements of high temperature molten salt energy storage system. Its invention patents and utility model patents have been accepted by the State Intellectual Property Office.

Dr. Zhao, the person in charge of the high-temperature molten salt heat storage system project of Shanghai Jiaotong University Zhonghaiyang Energy Group Co., Ltd., abandoned the selection of foreign products through on-site inspection and technical exchange, and finally decided to use domestic products.

The successful development of high-temperature molten salt valve marks that Beijing Jiajie Energy and Suzhou Delan have become one of the few manufacturers in the world to master high-temperature melting valve technology. In the future, localization of solar thermal power generation technology will be reduced and investment will be reduced. And the cost of maintenance is a part of the power.

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