A floating head heat exchanger

Abstract

The invention relates to the technical field of heat exchangers, and discloses a floating head heat exchanger, which includes a casing, a horizontal plate is fixedly installed inside the casing, and baffles are fixedly installed at the upper and lower ends of the horizontal plate , the surface of the baffle is provided with a tube bundle opening, and the upper and lower ends of the horizontal plate are fixedly installed with guide plates. The floating head heat exchanger is equipped with baffles, tube bundles and guide plates to achieve the purpose of automatic cleaning. In the case of a narrow flow area, the velocity of the water flow will suddenly increase. At this time, the water with a higher flow rate will impact the contact area between the tube bundle and the baffle plate and the inner end area of ​​the guide plate under the restriction of the guide plate, making it difficult for dirt to adhere. , the equipment will automatically clean when it is working, and it is difficult to form the accumulation of dirt, which ensures the good working effect of the heat exchanger, avoids the disassembly of the equipment, and greatly prolongs its service life.

Description

technical field [0001] The invention relates to the technical field of heat exchangers, in particular to a floating head heat exchanger. Background technique [0002] Floating head heat exchanger is one of many heat exchangers. Its main function is to transfer part of the heat of the hot fluid to the cold fluid. It is also called a heat exchanger. The heat exchanger is widely used for heating in daily life. The radiator fins of the radiator, the condenser in the steam turbine device and the oil cooler on the space rocket are all heat exchangers. It is also widely used in industrial sectors such as chemical industry, petroleum, power and atomic energy. Its main function is to ensure The specific temperature required by the process for the medium is also one of the main equipment to improve energy utilization. [0003] When the floating head heat exchanger is working, the water body of the tube bundle is often in contact with the water body of the shell to realize the heat ex...

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Problems solved by technology

[0003] When the floating head heat exchanger is working, the water body of the tube bundle is often in contact with the water body of the shell to realize the heat exchange. The water body bends forward to ensure the contact time between the water body in the shell and the water body of the tube bundle to the greatest extent. At the same time, multiple tube bundles are closely distributed in a semicircle shape, so that the contact area between the tube bundle and the water body is the largest, ensuring a good working effect of the heat exchanger, such as Figure 4 As mentioned above, but there are also some problems in this equipment: the water body in the tube bundle is often not easy to accumulate dirt, but the water body in the shell will inevitably have some residual dirt after working for a long time, especially in the contact area between the tube bundle and the baffle plate , it tends to be hidden and attached, and it is easy to wrap and attach to the tube bundle after a long time, which affects the heat exchange work. In addition, long-term accumulation is not conducive to the cleaning of the inside of the shell. The existing heat exchanger internal cleaning is often used. It is a disassembly method, and the tube bundle is taken out together with the baffles. This cleaning method is very troublesome for large floating head heat exchangers. Internal leakage and damage are likely to occur after repeated disassembly and cleaning, which is not conducive to the maintenance of the equipment. long-term use

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