producing twisted tube
Inquiry
| Post Date: | Nov 27,2020 |
| Expiry Date: | May 26,2021 |
| Detailed Description: |
Quantity: 1000 Specs:OD 19mm/25mm/32mm，length 2000～14000 mm Price:500 USD Kilograms Payment Method: Bank transfer The manufacturing process of twisted tube includes:"partial pressure" and "distortion". The tube’s cross section is nearly an ellipse, of which the ratio of long axis and short axis is designed according to the flow velocity in tubes passes and shell passes of heat transfer tubes. When the flow rate in tube pass is low, the ratio of the long axis and short axis shall be increased, or the flow surface shall be reduced in order to increase the flow rate. Enhanced heat transfer principles of twisted tube The unique structure of twisted tube can make the flow in tube pass and shell pass in the spiral motion at the same time, by this way it enhanced the turbulent intensity. The heat transfer coefficient of the twisted tube is 40% higher than the normal one, but the pressure drop is almost the same. Application of the Twisted tube As twisted tube has been fast developed and improved in recent years, it is much more reliable and effective, which can almost be used in all kinds of shell and tube heat exchangers. More than 1000 twisted tube heat exchangers have been used since 1984, which can be used in gas-gas, liquid-liquid and liquid-gas heat transfer process, including chemistry, petroleum, food, papermaking, electric power, metallurgy, mining, and urban heating industries. |
| Company: | Zhejiang Huanchen Super Flux Tube Science ＆Technology Co., Ltd [ China ] |
| Contact: | Liu Along |
| Tel: | 0086-021-54801200 |
| Fax: | 0086-021-54801200 |
| Email: | 617939408@qq.com |
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