A detachable and washable pre-filter and its application method

Abstract

The invention relates to a washable pre-filter and usage thereof. The washable pre-filter comprises a T-shaped structural top cover, an upper filter barrel and a lower filter barrel arranged successively from top to bottom, the upper filter barrel and the lower filter barrel form a filter barrel, the top cover is fixedly connected with the upper filter barrel, the lower filter barrel is detachably screwed to the upper filter barrel, a T-shaped valve is disposed in the top cover, the T-shaped valve is provided with a raw water inlet and a purified water outlet, a water distributor is disposed in the T-shaped valve, the water distributor is provided with a water inlet and a water outlet, a filter element seat is fixedly connected to the water distributor, the filter element seat is fixedly connected with the T-shaped valve through a connecting seat, the connecting seat is welded in the upper filter barrel, a filter element is disposed in the lower filter barrel, a raw water passage is disposed between the lower filter barrel and the filter element, and a purified water passage is disposed in the filter element. The washable pre-filter is convenient to detach and convenient to wash so that cleaning is simple and easy, is simple and compact in structure and is very convenient to assemble, maintain and replace.

Description

technical field [0001] The invention relates to a detachable and washable pre-filter and a using method thereof. Background technique [0002] People usually install the pre-filter behind the water meter of the household water pipe to ensure that a large amount of precipitated impurities generated in the pipe network will not cause harm to the user, and play a positive role in protecting the concealed pipes, faucets, electrical appliances, etc. . However, due to the limited working principle of many existing pre-filters, dirt is easy to adhere to the outer wall of the filter element. After the dirt accumulates, it is not only difficult to clean, but also affects the filtering effect and service life of the filter element, so it needs to be disassembled regularly , manual cleaning. However, in such a fast-paced modern life and work, people often do not remove and wash regularly because of the cumbersome and time-consuming operations. After a long time, the outer wall of the...

AI Technical Summary

Problems solved by technology

However, due to the limited working principle of many existing pre-filters, dirt is easy to adhere to the outer wall of the filter element. After the dirt accumulates, it is not only difficult to clean, but also affects the filtering effect and service life of the filter element, so it needs to be disassembled regularly , manual cleaning

However, in such a fast-paced modern life and work, people often do not remove and wash regularly because of the cumbersome and time-consuming operations. After a long time, the outer wall of the filter element will be blocked, and the rust, suspended solids, and colloidal substances in the water will directly flow out of the faucet, causing It will have adverse effects on the rear water purifier, and even cause great harm to the user's human health.

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