Multi-section shell copper pipe sharing double-spacing plate refrigeration heat exchanger

Abstract

Multi-section shell copper tubes share a double-baffle refrigeration heat exchanger, including shell, front cover, front partition, partition, rear end cover, rear partition and copper tubes; the shell is a cylindrical cast iron shell, described in multiple sections The casings are connected end to end in series and sealed; the casing of each section is used as the casing of an evaporator of a refrigeration system; the casing of each section is provided with a refrigerant inlet, a refrigerant outlet, an exhaust port and an oil discharge port There are bolt holes on the bottom shell of the front end cover and the edge of the tube shell; the spacer plate is two flanges, which are welded with the shells on the left and right sides respectively; the rear end cover is composed of a cylindrical shell of the outer ring and a spherical The bottom cover is welded; the rear partition is provided with a ring groove; the present invention shares the waterways of the evaporators of multiple refrigeration systems, reduces space occupation, and ensures stable operation at any time according to actual operating conditions.

Description

technical field [0001] The invention relates to the technical field of central air-conditioning, in particular to a refrigeration heat exchanger with double partition plates shared by multi-section shell copper tubes. Background technique [0002] Both the evaporator and condenser in the refrigeration system are a specific form of heat exchanger. In the central air-conditioning industry, the evaporator has a variety of forms, including shell-and-tube, plate and other forms. The shell-and-tube type is generally suitable for air-cooled units that prepare cold water. In most regions of the country, different seasonal differences lead to different cooling capacity. For example, during the peak cooling time in summer, full power is required for cooling, but in winter and other seasons when cooling demand is low, full power is not required. At present, there is also frequency conversion technology that can solve the problem of cooling capacity changes within a certain range, but ...

AI Technical Summary

Problems solved by technology

However, the arrangement of multiple refrigeration systems will lead to the problem of space utilization. Generally, the condenser can be installed outdoors, but as an evaporator, it must be installed indoors, and the space for the evaporator is limited. Multiple refrigeration systems must be considered. The installation space of the evaporator of the system

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