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In the polyester production process, the filtration accuracy of the stainless steel sintered felt filter element used for polyester melt filtration is mostly 10-25 μm, and the filter element is in the shape of a candle. It has a large filtration area, high filtration accuracy, and strong anti-fouling ability. Features such as use in high temperature, high pressure, and high viscosity environments. It should be noted that the cleaning requirements of the candle-shaped filter element are high and the cleaning is relatively difficult. In the cleaning process, alkaline cleaning can remove organic matter, and ultrasonic cleaning can remove inorganic matter. Both are indispensable. High pressure cleaner It is mainly responsible for washing the inorganic residues, titanium dioxide (tio2) and carbon black attached to the surface of the filter element, which can effectively reduce the cleaning time and improve the cleaning efficiency. In addition, improper high-pressure water washing can cause the dirt to be washed into lumps, which will reduce the cleaning effect. If the water pressure is too high, it will even break through the filter material and damage the filter element.
The working principle of the high-pressure cleaner is mainly to pressurize ordinary pure water to hundreds or even more than one thousand atmospheres through a high-pressure pump, and then spray a jet beam with high energy concentration through a small-aperture high-pressure nozzle, which is ours The often said high-pressure water jet, the high-pressure water jet has composite crushing effects such as scouring, wedge splitting, shearing, grinding, etc., which can immediately break off and wash away the scaled material, thereby realizing the separation of the scale layer and the body. This technology It has the advantages of high efficiency, energy saving, environmental protection, low cleaning cost, and strong equipment versatility.
Compared with the traditional manual cleaning method, the use of a high-pressure cleaner to clean the polyester melt filter element has the following advantages:
1. High efficiency, energy saving, environmental protection, and the cleaning effect can be guaranteed;
2. It can effectively reduce the labor intensity of workers;
3. Low cost, no need for cleaning treatment, greatly improving cleaning efficiency;
4. All cleaning water acts on the filter element, no waste and energy saving.
5. It is easy to realize mechanization and automation, integrate a variety of mature technologies, and can automatically display a series of dynamic displays such as cleaning status, water level, cleaning pressure, work flow, and fault alarms, making the operation more convenient.
