On February 23, Shenzhen Dart Lighting Co., Ltd. officially issued 3.16 million shares (all unrestricted shares) in the New Third Board, raising funds of RMB 30.02 million. The funds raised are mainly used to supplement the company's working capital. The number of shares issued was 3.16 million shares, the issue price was 9.5 yuan per share, the raised funds were 30.02 million yuan, and one issuer was issued, which was all subscribed by natural person investors. According to the data of the New Third Board Research Institute, Dart Lighting is mainly engaged in the construction of urban landscape lighting projects and the design and maintenance of landscape lighting projects related to it, and the research and development, production and sales of LED lighting products.

Floating Head Heat Exchanger

Floated type shell&tube heat exchanger is mostly used for large temperature fluctuations and temperature differences, compared with Fixed Tube Heat Exchanger, its structure is more complex and more expensive.



One end of the tube is fixed on an immobile Tube Sheet, which is clamped between the shell Flange and the tube flange, and is connected by bolts; the other end of the tube is fixed on a floating head tube sheet, which is clamped between the floating cover and the hook ring connected by studs, forming a floating head that can move freely in the shell.



If the tube bundle and the shell are heated and elongated, they do not affect each other, so there is no temperature difference stress. The floating part is a detachable connection consisting of the floating tube sheet, hook ring and floating cover. It is easier to take the tube bundle out, and the tube can be cleaned both inside and outside and is easy access.

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Guangdong Jiema Energy Saving Technology Co.,Ltd , https://www.jiemaheatexchanger.com