Shandong Zhilin Environmental Protection Technology Co., Ltd.

The working principle of a water-water plate heat exchanger

Release time:

2021-03-07 12:00

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I. Working principle of water-to-water plate heat exchanger Water-to-water plate heat exchangers mainly rely on high-temperature heated water temperature. Through the overlapping corrugated metal plates and plate stabilizers, the heat exchange is conducted in the thin rectangular channels formed by each plate. This is the heat transfer process of a water-to-water plate heat exchanger.

In our country, the north will be heated in winter. In addition to steam heating from power plants, the north also uses high-temperature hot water from heating stations, which goes through a heating process using a water-to-water plate heat exchanger. Finally, heating is achieved through radiators.

I. Working Principle of Water-to-Water Plate Heat Exchanger

The water-to-water plate heat exchanger mainly uses high-temperature heated water. The heat is exchanged through corrugated metal plates overlapping in a plate-type stabilizer, with each plate forming a thin rectangular channel. This is the heat transfer process of a water-to-water plate heat exchanger.

II. Applications of Water-to-Water Plate Heat Exchanger

Water plate heat exchangers are mainly used in boiler installations, exchanging heat between boiler water and heating machine water. After the exchange of one or both media, one side circulates back to the boiler, and both sides reach the end customer via pumps. No room temperature heating is required, saving energy.

Water plate heat exchangers are also used in community central heating. Community heating and flue gas boilers often suffer from fouling or corrosion due to corrosion, leading to leaks. After installing a water plate heat exchanger, the water circulation can be divided into internal and external loops. This effectively reduces fouling or corrosion in the boiler, reducing fouling and ensuring water quality. Therefore, water plate heat exchangers play an important role in community central heating.

III. Advantages of Water-to-Water Plate Heat Exchanger

1. Fast Heat Transfer

The plate heat exchanger consists of multiple plates with a thickness of 0.5 mm, which allows for efficient heat transfer. Especially in water conservancy projects and boiler systems, the required temperature can be reached instantly. The heat transfer coefficient is 5000W/(M2.C), solving energy waste and reducing costs, which boiler heating cannot achieve.

2. Extended Boiler Lifespan

Boilers are prone to fouling, which not only leads to frequent and costly replacements but also periodic obsolescence if the process requirements are not met. Water plate heat exchangers can transfer most of the heat. Of course, water plate heat exchangers can also experience fouling (this article will not lie), but the plates can be disassembled and cleaned, extending their lifespan.

3. Low Energy Consumption

After the exchange of media on the first and second ends, the second end reaches the customer, and the first end returns to the boiler. Therefore, room temperature heating is not required for reheating, solving the problem of energy waste.

This is an introduction to water-to-water plate heat exchangers. Hope this helps.

Advantages of water plate heat exchangers

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