Flow equalization structure for air inlet of heat exchanger plate beam

Abstract

The invention discloses a flow equalization structure for an air inlet of a heat exchanger plate beam. The flow equalization structure comprises a shell composed of a cylinder, a round top and square bottom and a square box, and an open-type enlarging pipe is mounted in the shell. The open-type enlarging pipe is composed of a flow leading section and a flow guide section, so that air can be evenly distributed on the square section of the downstream after flowing through the cylinder; the upper end of the flow leading section is fixed on the inner wall of the cylinder and is capable of effectively dividing the air into a plurality of parts according to the design requirements and leading the air to a round top and square bottom circulation starting zone, and flow guide plates on the flow guide section evenly guide the air to different zones of the square box; a connecting mechanism is capable of adjusting the included angle between the flow leading section and the flow guide section as required. Technical problems that the air is unevenly distributed when flowing through the round top and square bottom structure and pressure loss is bigger and the like are solved, and the flow equalization structure has the advantages of saved materials, simple structure, convenience in processing and mounting and the like.

Description

technical field [0001] The invention belongs to the technical field of thermal engineering fluid mechanics and the application of plate heat exchangers, and relates to a round sky and local structure with gas flow uniformity. Background technique [0002] In some early food and powder equipment, due to technological requirements, it is necessary to connect the cylindrical part and the square box part together, thus forming a variable diameter structure from a circle to a square, that is, a round sky structure. Today, the Tianyuan structure has been widely used in food machinery and equipment in petrochemical, metallurgy, environmental protection and other fields. [0003] In recent years, with the development of welded plate heat exchanger technology, a large number of equipment have been widely used in the fields of gas-gas, gas-vapor and gas-liquid heat exchange. Based on the consideration of process medium properties and pipe layout economy, cylindrical pipelines are gen...

AI Technical Summary

Problems solved by technology

In this patent, there is a large eddy current area under the transition area of ​​the rounded corners of the sky and the ground, resulting in a large loss of gas energy and high operating costs of the equipment.

At the same time, the welding workload of the guide steel plate is heavy, and the equipment must be stopped during maintenance, so there are certain difficulties in disassembly and assembly.

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