Cold water evaporator with multi sections of shells and copper pipe sharing single partition plate

Abstract

The invention discloses a cold water evaporator with multi sections of shells and a copper pipe sharing a single partition plate. The cold water evaporator comprises the shells, a front end cover, a front separation plate, the partition plate, a rear end cover, a rear separation plate and the copper pipe; the shells are cylindrical cast iron shells, and the plurality of sections of shells are connected end to end in series and are sealed; each section of the shell serves as a shell of an evaporator of a refrigerating system; the shell of each section is provided with a refrigerant inlet, a refrigerant outlet, an exhaust port and an oil discharge port; bolt holes are formed in the edges of the bottom shell and the tube shell of the front end cover; the two ends of the partition plate are welded to the ends of the two sections of shells respectively; a water cavity is formed between the rear end cover and the rear separation plate; and the copper pipe is arranged inside the shell. According to the cold water evaporator, water channels of evaporators of multiple refrigeration systems are shared, so that the space occupation is reduced, and the operation under a stable working condition can be guaranteed at any time according to the actual operation condition.

Description

technical field [0001] The invention relates to the technical field of central air-conditioning, in particular to a cold water evaporator with multiple shell copper tubes sharing a single partition plate. 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 it is powerle...

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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