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Wuxi Dingfeng pressure vessel Co., Ltd

Wuxi Dingfeng pressure vessel Co., Ltd
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Home > Products > Heat Exchanger > Tubular Heat Exchanger > vertical shell and tube heat exchanger

vertical shell and tube heat exchanger

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  • Product Description
Product overview

Tubular exchanger is a kind of Heat Exchanger widely used in chemical industry and alcohol production. It is mainly composed of shell, tube sheet, heat exchange tube, head, baffle, etc. The required materials can be made of ordinary carbon steel, copper or stainless steel respectively. During heat exchange, a kind of fluid enters from the connecting pipe of the head, flows in the pipe and flows out from the outlet pipe at the other end of the head, which is called the tube side; the other fluid enters from the connecting pipe of the shell and flows out from the other connecting pipe on the shell, which is called shell side.

Structure description

The structure of Tubular Heat Exchanger is simple, compact and cheap, but it can't be cleaned by machine. The tube bundle of the heat exchanger is connected to the tubesheet, which is welded at both ends of the shell, and is connected with a top cover. The top cover and the shell are equipped with fluid inlet and outlet nozzles. A series of baffles perpendicular to the tube bundle are usually installed outside the tube. At the same time, the connection between the tube and the tube sheet and the shell is rigid, and there are two kinds of fluids with different temperatures inside and outside the tube. Therefore, when the temperature difference between the tube wall and the shell wall is large, due to the different thermal expansion of the two, a great temperature difference stress will be produced, so that the pipe will twist or loosen from the tube sheet, and even destroy the heat exchanger.

In order to overcome the temperature difference stress, there must be a temperature difference compensation device. Generally, when the temperature difference between the pipe wall and the shell wall is more than 50 ℃, the heat exchanger should have the temperature difference compensation device for the sake of safety. However, the compensation device (expansion joint) can only be used when the temperature difference between shell wall and pipe wall is lower than 60 ~ 70 ℃ and the fluid pressure in shell side is not high. Generally, when the shell side pressure exceeds 0.6MPa, due to the thickness of the compensation ring, it is difficult to expand and expand, so other structures should be considered.

ertical shell and tube heat exchanger

Product Categories : Heat Exchanger > Tubular Heat Exchanger

Company Overview

Wuxi Dingfeng pressure vessel Co., Ltd. specializes in the production of reactor, evaporator, stainless steel reactor, stainless steel reactor, scraper evaporator, heat exchanger, tubular heat exchanger, spiral plate heat exchanger. Our company has the first, second and third class pressure vessel manufacturing license and passed the ISO9001:2000 international quality system certification. Our factory has established long-term technical cooperation with Wuxi Chemical Design Institute, Jiangnan University, Shanghai Chemical Design Institute and 702 Institute of China shipbuilding industry group. As long as we are engaged in the design, manufacturing, installation, debugging and process technology development of petroleum, chemical, biological and pharmaceutical equipment, technology transfer and related technical consultation and service.

At present, the factory has fixed assets of 85 million yuan, covers an area of 28000 square meters, and modern large-scale industrial plants of 21000 square meters. At present, there are 197 employees, including 60 engineering technicians, 35 technicians in design, process, material, welding and quality inspection, including 4 senior engineers, 16 engineers and 9 assistant engineers. Give full play to the professional skills and innovation ability of all employees, and use the computer-aided system (CAD, 3D3S, SW6) to carry out personalized product design and production according to different products and processes of users, so as to meet the needs of users for diversified and high-quality products.

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