Composite filter element assembly and water purification system

Abstract

The invention provides a composite filter element assembly and a water purification system, the composite filter element assembly comprises a first shell, and a front filter element and a rear filterelement are arranged in the first shell at the same time; the composite filter element assembly comprises a filter bottle, the first shell is provided with a raw water inlet and a first-stage filter outlet which are respectively communicated with the front filter element, and the first-stage filter outlet is communicated with the interior of the filter bottle; the composite filter element assemblyfurther comprises a second shell, a reverse osmosis membrane is arranged in the second shell, and the second shell is provided with a front filtered water inlet communicated with the interior of thefilter bottle and a second outlet communicated with the rear filter element in the first shell. According to the invention, the service lives of the two filter elements can be effectively ensured tobe synchronous, and the front filter element and the rear filter element can both reach the service life when the service life reaches the service life limit and are disassembled and replaced, so thatthe utilization rate of the front filter element and the rear filter element can be maximized, the filtering effect is improved, and the cost is effectively reduced.

Description

technical field [0001] The invention belongs to the technical field of water purification, and in particular relates to a composite filter element assembly and a water purification system. Background technique [0002] In the existing filter element technology, a composite filter element is used to improve the water purification efficiency. However, due to the different positions of the multi-stage filter element such as front or rear, the service life of the filter material structure will be longer even if the material is the same. There is a situation of asynchrony, but the overall structure of the filter element is inconvenient to disassemble, so when the filter element with a short service life reaches the end of its life, the filter element with a longer service life still does not need to be replaced, so if it is replaced as a whole at this time, it will cause Its utilization efficiency is not high, costly, and if it is not replaced, it will lead to poor filtering effe...

AI Technical Summary

Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the service life of the filter material structure is not synchronized in the composite filter element assembly in the prior art, resulting in poor filtering effect, thereby providing a composite filter element assembly and a water purification system

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