Intermediate medium type heat transfer test platform

Abstract

The invention discloses an intermediate medium type heat transfer test platform. The test platform is composed of a liquid nitrogen-intermediate medium heat exchange assembly, a water-intermediate medium heat exchange assembly and an intermediate medium circulation assembly. Each heat exchange assembly is composed of an inlet pipeline, an outlet pipeline and a heat exchange pipe, and the intermediate medium circulation assembly is composed of a columnar shell, a liquid phase space pipeline and a gas phase space pipeline. And fluid monitoring equipment is arranged outside the inlet and outlet pipelines and the circulating assembly shell and is used for measuring the pressure and temperature of fluid in real time and adjusting the flow of the pipelines. When the test platform works, the gaseous intermediate medium exchanges heat with liquid nitrogen, and the liquid intermediate medium exchanges heat with water, so that cyclic utilization of the intermediate media is realized. The device can be used for test simulation of an intermediate medium type heat transfer platform and performance testing of a novel intermediate medium, has the advantages of being compact in structure, reliable in simulation and the like, and has a great application prospect.

Description

technical field [0001] The invention relates to the technical field of heat exchangers, in particular to an intermediate medium type heat transfer test platform. Background technique [0002] The intermediate medium type heat transfer device is often used in liquefied natural gas (LNG) gasification equipment (IFV). The heat transfer equipment generally includes an intermediate medium gasifier E1, an LNG gasifier E2, and a natural gas heater E3. Among them, E1 and E2 share a shell, the water in E1 exchanges heat with the liquid intermediate medium, the intermediate medium evaporates and becomes gaseous, and further exchanges heat with LNG in E2; finally, the natural gas is further heated in E3 and then discharged. [0003] The gasification equipment of the intermediate medium heat transfer device has the following advantages: [0004] Compared with the air temperature type gasifier, the intermediate medium gasifier uses propane, isobutane, freon, ammonia and other media as t...

AI Technical Summary

Problems solved by technology

The inventions of existing heat exchange test platforms, such as CN109001246A, CN112857849A, etc., are not suitable for the simulation of devices with complex structures such as IFV

CN110702443A discloses a test device for LNG, but it is only limited to the arrangement of test lines and sensors, and does not involve the most critical E1 and E2 units in the IFV

The existing intermediate medium heat transfer test platform is relatively simple, and the process of filling and discharging the intermediate medium cannot be well realized, and there is no effective monitoring of the state of the intermediate medium and the inlet and outlet fluids.

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