Shandong Zhilin Environmental Protection Technology Co., Ltd.

How to clean a plate heat exchanger?

Release time:

2022-09-02 09:26

Source:

With the end of the heating season, we have recently received many calls from users asking whether the heat exchange equipment has been used for one or two years, and whether the detachable plate heat exchanger needs to be cleaned during the off-heating period? What is good, and how do you judge it?

How to clean a detachable plate heat exchanger?

Plate Heat Exchanger

With the heating season ending, we have recently received many calls from users asking whether the heat exchange equipment has been used for one or two years, and whether the plate heat exchanger needs to be cleaned during the heating off-season.What constitutes a good one, and how do you judge it?

To avoid unnecessary disassembly, plate heat exchanger cleaning is necessary, and naturally there are ways to judge it. The pressure drop on the first and second surfaces can be judged according to the actual operating conditions. The general pressure drop for heating projects≤0.08mpa, and for refrigeration and air conditioning projects ≤0.08mpa. If the pressure drop exceeds the limit, it needs to be opened for cleaning. Especially for new projects, some non-standard construction teams have not cleaned the pipes, and the early operation of detachable plate heat exchangers will accumulate a large amount of welding slag and other impurities, which not only increases resistance and affects the use effect, but also increases energy consumption and reduces the service life of the equipment.

Currently, in order to save energy and reduce heat loss, heat transfer is roughly low-temperature and high-flow, so the amount of municipal hot water entering the detachable plate heat exchanger is not high, and the amount of scaling is small. The main reason for blockage or high resistance is impurities and sediments. Scaling can be solved by backwashing orCIP (pharmaceutical online cleaning); particulate impurities can only be cleaned by disassembly. If it is an old project that has been running for many years, the probability is mud or scale, which can be disassembled; if it is a new project, it is likely to be particulate impurities, which need to be disassembled and cleaned. Detachable plate heat exchanger products are widely used, and currently industrial detachable plate heat exchangers account for a large proportion in the detachable plate heat exchanger industry. So faced with the numerous industrial detachable plate heat exchanger markets, which industrial detachable plate heat exchanger factory is good? This has also become a major problem for many buyers. Let's take a look today.

I think a good industrial detachable plate heat exchanger factory must produce high-quality plates, because the plates are a very important part of the equipment, and the medium exchanges heat through the plates. Good plates should have the same corrugation depth on the same plate to ensure that every contact point is well connected.;This improves the load-bearing capacity of the plate, avoiding thermal stress fatigue and mechanical fatigue corrosion caused by vibration and high-frequency vibration. Another point is that there are no over-pressed areas during production, which will not produce hidden cracks, and the metal grains on the plate are highly uniform, resulting in better mechanical properties of the plate, avoiding leakage caused by hidden cracks. In addition, the contact points are evenly distributed, and when the medium flows through the plate, the turbulence is enhanced, improving the heat transfer efficiency.

Introduction to the principle and characteristics of plate heat exchangers.

Features and Applications of Intelligent Heat Exchanger Units