Filters are divided into air filters, liquid filters, network filters, etc.With the continuous progress of technology, the application range of filters is expanding, is widely used in household appliances, automobiles, precision instruments, medicine, electronics, food, beverage and other industries, the following is the filter industry technical characteristics analysis.
The consumption concept is increasingly rational, and the requirements of Chinese consumers on the filtration performance of purifiers are constantly improved, which has promoted the technical level of the filter industry.Driven by technological progress and market demand growth, China's consumption of filters reached 10.98 million in 2018 and is expected to reach 14.69 million in 2022.
The filter is an indispensable device on the conveying medium pipeline, which is usually installed in the pressure reducing valve, pressure relief valve, water level valve, square filter other equipment inlet equipment.The filter consists of cylinder, stainless steel filter, sewage discharge part, transmission device and electrical control part.After the water to be treated passes through the filter cylinder of the filter mesh, its impurities are blocked. When cleaning is needed, just remove the detachable filter cylinder and reload it after treatment. Therefore, it is very convenient to use and maintain.
The analysis of the filter industry indicates that the filter disc with special structure is the most effective filter system with accurate and sensitive performance, which ensures that only the particles smaller than the required size can enter the system.Specifications have 5, 10, 20, 55, 100, 130, 200, and other varieties, users can choose according to the water requirements of different precision of the filter disk.The system flow can be adjusted flexibly according to the need.
The system is based on the standard disc filter unit, according to the modular design, users can choose according to the need, flexible variable, strong interchangeability.The system is compact and occupies a small space, which can be flexibly used for installation. For example, the equipment with a treatment volume of about 300m3/h occupies only about 6m2 (general water quality, filtration grade is 100 microns).
The reverse washing process is carried out alternately between the units in the filter combination, and the working and reverse washing states are automatically switched to ensure continuous water discharge.Backwash water consumption is very small, only accounting for 0.5% of the water yield;Technical characteristics of the filter industry pointed out that, if combined with air assisted backwashing, water consumption can be reduced to less than 0.2%.High speed and thorough backwash, only takes a few seconds to complete.
At present, there are 2,532 manufacturers of filters in China, and a quarter of them were established in the past five years.Due to air pollution, uncontrolled environment and the rising number of smokers, filters have developed rapidly in the past few years.
In order to meet the increasing consumer requirements, China's filter industry in technology, function, quality and other aspects of the industry still need to continue to progress, promote the long-term healthy development of the industry, it is expected that membrane permeation technology as the filter mode of membrane filter with its excellent filtration performance, will be used by more and more enterprises.