Test device for testing energy recovery device

Abstract

The invention provides a test device for testing an energy recovery device. The test device comprises a circulatory water tank, a supercharge pump, a high-pressure pump, a distribution pipe, a first pressure reducing valve, a second pressure reducing valve, the energy recovery device and an energy recovery lift pump, wherein a water inlet of the supercharge pump is connected with a water outlet of the circulatory water tank, a water inlet of the high-pressure pump is connected with a water outlet of the supercharge pump, a first water inlet of the distribution pipe is connected with a water outlet of the high-pressure pump, a water inlet of the first pressure reducing valve is connected with a first water outlet of the distribution pipe, a water inlet of the second pressure reducing valve is connected with a second water outlet of the distribution pipe, a high-pressure concentrated water inlet of the energy recovery device is connected with a water outlet of the second pressure reducing valve, the energy recovery lift pump is connected with a high-pressure raw water outlet of the energy recovery device, and a water outlet of the energy recovery lift pump is connected with a second water inlet of the distribution pipe. According to the test device for testing the energy recovery device, the distribution pipe, the first pressure reducing valve and the second pressure reducing valve are adopted to simulate a reverse osmotic membrane element, raw water can be separated into normal-pressure water and high-pressure water, and thus, the separation function of the reverse osmotic membrane element is achieved, and the actual operating conditions of high-pressure water circulation can be completely simulated.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination, and in particular relates to a test device for testing an energy recovery device. Background technique [0002] The reverse osmosis seawater desalination method is a method of seawater desalination using the principle of reverse osmosis. High-pressure seawater flows through the reverse osmosis membrane and is separated into concentrated water and fresh water. It has the advantages of simple equipment, convenient operation, no phase change, high treatment efficiency and low energy consumption. It is the main method of seawater desalination at present. [0003] A reverse osmosis seawater desalination device generally includes key components such as a high-pressure pump, a reverse osmosis membrane, and an energy recovery device. %~50% of the seawater is separated into fresh water, and about 50%~60% of the seawater is concentrated into concentrated water; the pressure of the discharged...

AI Technical Summary

Problems solved by technology

Generally, a reverse osmosis seawater desalination device is built according to the actual reverse osmosis process to test the performance of the energy recovery device. However, the cost of building a reverse osmosis seawater desalination system is very high. For example, the equipment investment of a 5000-ton / day reverse osmosis seawater desalination 20 million yuan. Therefore, building a reverse osmosis seawater desalination device according to the actual reverse osmosis process is not only costly, but also a waste of resources if it is only used for the performance test of the energy recovery device

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