Flow channel-type heat exchanger

Abstract

The invention provides a flow channel-type heat exchanger. The flow channel-type heat exchanger comprises a heat exchanger body, a heat exchange plate, height-adjustable supporting feet, a left end cover, a right end cover and supporting foot pads, wherein the heat exchange plate is arranged in the heat exchanger body; the heat exchange plate is fixed at the two ends of the heat exchange body through the left end cover and the right end cover; at least two height-adjustable supporting feet are arranged at the lower part of the heat exchanger body; supporting foot pads are fixedly connected with the lower ends of the height-adjustable supporting feet. According to the flow channel-type heat exchanger, the heat exchange medium in a flow channel is mixed and branched very uniformly; the heat exchange effect is effectively improved; the height of the heat exchanger is convenient to adjust; the heat exchanger is very convenient to mount; the substances, such as dirt, which are adhered to the interior of the flow channel are easily cleaned from the flow channel through back flush; the flow channel-type heat exchanger is connected by adopting detachable bolts, so that the flow channel-type heat exchanger is convenient to mount and is very convenient to maintain; the practicability and the operational performance are improved.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a flow channel heat exchanger. Background technique [0002] The application of heat exchanger has a long history, but it is still in continuous improvement and development. The application of heat exchangers in petrochemical, machinery manufacturing, oil refining, metallurgy, light industry, pharmaceuticals, food and other industries accounts for 40% to 60% of the investment in all process equipment. Therefore, new heat exchangers continue to emerge with the advancement of science and technology. Among them, plate heat exchangers, parallel flow heat exchangers, and shell-and-tube heat exchangers are currently widely used in various heat exchangers due to their small size, light weight, and relatively low production costs relative to their high efficiency. In hot equipment, however, these current heat exchangers are prone to temperature imbalance of the internal heat exchange medium, which af...

AI Technical Summary

Problems solved by technology

Among them, plate heat exchangers, parallel flow heat exchangers, and shell-and-tube heat exchangers are currently widely used in various heat exchangers due to their small size, light weight, and relatively low production costs relative to their high efficiency. In hot equipment, however, these current heat exchangers are prone to temperature imbalance of the internal heat exchange medium, which affects the life of the entire system. The uneven distribution of the fluid of the heat exchange medium reduces the efficiency of the heat exchanger and increases the pressure drop. In plate-fin heat exchangers, although deflectors are used to achieve uniform distribution of fluid, especially the use of deflectors with a diversion angle of 45° can achieve better results, but due to deficiencies in the design of the deflectors, Moreover, the structure is complex. Considering the cost, it is not suitable for large-scale popularization. Moreover, it has high requirements for channel processing, and is easily affected by processing errors and other factors in the heat transfer process, such as cooling of viscous fluids and thermal shocks. As a result, the fluid distribution inside the heat exchanger is uneven, which causes changes in the local channels in the heat exchanger, resulting in low heat exchange efficiency, and there are certain limitations in use.

In addition, when the current heat exchanger is installed, it is often prone to inconsistent heights, and the height is difficult to adjust, which is very inconvenient to install, especially in some places where the space is relatively small, and the temperature difference between the inside and outside of the heat exchanger is large , it is easy to cause damage to the heat exchanger and affect the service life of the heat exchanger. In addition, for the long-term use of the heat exchanger, it is often difficult to clean due to the accumulation of dirt inside the flow channel, which will easily lead to a decline in the heat exchange effect. Very inconvenient to clean

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