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Application and Function of Tube Sheet

Dec 27, 2024

Tube sheet, that is, in the round steel plate drilled holes slightly larger than the outer diameter of the tube, these holes are used to fix the tube as well as sealing medium, is an indispensable accessory in the heat exchanger. Tube plate not only plays the role of supporting and fixing the tubes, but also bears the heavy responsibility of sealing the fluid and preventing the medium from leaking. The precision of its processing, especially the tube hole spacing, tube diameter tolerance, verticality and finish, etc., all greatly affect the assembly and performance of the heat exchanger.


Types of Tube Sheet

Tube sheets can be subdivided into various types according to their structure, use and processing methods. The following are some common types of tube sheet:

1. Ordinary tube sheet: simple manufacturing process, low cost, commonly used in layouts spanning multiple heat transfer circuits. It consists of several tubes with welded or flanged ends, and is suitable for equipment with a small heat transfer area.

2. Bending tube plate: more difficult to produce, but the heat transfer efficiency is higher. It is used at the bend of the tube to maximize the heat transfer area. Despite the high cost, it is widely used in chemical and petroleum fields due to its excellent performance.

3. Gas Collection Tube Plate: This type of tube plate guides the wet gas flow into the drying zone of the steam drying equipment by setting up a gas collection tube, which removes the moisture from the material through heat transfer and heat exchange. It is commonly used in the fields of food processing and pharmaceuticals to ensure the dryness and quality of the products.

4. Prefabricated Tube Sheet: Pre-customized tube sheet type using advanced equipment can reduce the workload of on-site fabrication, shorten the installation time and improve the quality of installation. With the continuous progress of production technology, prefabricated tube and plate production cycle is gradually shortened, the cost is also gradually reduced, has become a major trend in the tube and plate industry.

5. Sanitary double tube and plate heat exchanger: This is a special type of tube and plate heat exchanger with double tube and plate structure to ensure the purity and safety of the fluid. It is widely used in occasions that require high cleanliness media, such as food, medicine and other industries.


Function of tube sheet

Tube plate in the heat exchanger mainly undertake the following functions:

1.Support and fixation: as one of the skeleton of the heat exchanger, the tube plate is responsible for supporting and fixing the tubes to ensure that they will not be loosened or deformed due to the impact of the fluid during the working process.

2.Sealing medium: through precise processing and assembly, the tube plate can effectively seal the fluid medium to prevent it from leaking into the external environment, resulting in waste of resources and environmental pollution.

3. Heat transfer: the contact surface between tube plate and column tube is the main channel for heat transfer. Through the design and optimization of the tube plate, the heat transfer efficiency of the heat exchanger can be improved and energy consumption can be reduced.


Application occasions of tube plate

Because of its unique structure and function, tube plate is widely used in many fields:

1. Chemical industry: In chemical production, heat exchanger is one of the indispensable equipments. As a key component of heat exchanger, tube plate undertakes the important tasks of supporting, fixing and heat transfer.

2. Petroleum industry: in the process of oil extraction and processing, a large number of heat exchangers need to be used for heat transfer and recovery. Tube plate with its excellent performance and reliability, has been widely used in the petroleum industry.

3. Electric power industry: in electric power production, boilers and condensers and other equipment need to use the tube plate to support and fix the tubes, to ensure the normal operation of the equipment and efficient heat transfer.

4. Food and pharmaceutical industry: in the food and pharmaceutical industry, the purity and safety of the product has very high requirements. Sanitary double tube and plate heat exchanger ensures the quality and safety of the products with its unique structure and material selection.

5. Other industries: In addition, the tube plate is also widely used in pressure vessels, steam turbines, large-scale central air conditioning and other industrial fields, providing a strong guarantee for the normal operation and efficient heat transfer of various equipment.


As one of the key components in heat exchanger, tube plate is extremely important and complex in terms of its definition, type, function and application occasions. With the continuous progress and development of industrial technology, the manufacturing technology and application areas of tube and plate will continue to expand and innovate.


Heat transfer division as a branch company of Shanxi Solid Industrial Co., Ltd. We have grown to be a professional supplier in key customized components of Shell tube HE. Offer one stop service to our client, main products including tube shell HE----like U tube, tube sheet, shell flange, baffle plate, fin tube, vessel heads, etc.


 


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