Filling method of KDF dechloridation combined filter element

A technology of combining filter elements and filling methods, applied in separation methods, chemical instruments and methods, filtration and separation, etc., can solve the problems of high cost, complicated reverse pressure flushing operation, etc., and achieve the effect of reducing contact and stickiness

Inactive Publication Date: 2009-05-06
SHENZHEN INIKE ELECTRICAL APPLIANCES
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the reverse pressure flushing operation is complicated and costly, especially not suitable for small water purification devices

Method used

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  • Filling method of KDF dechloridation combined filter element

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Embodiment Construction

[0030] The present invention will be described in further detail below in conjunction with accompanying drawing:

[0031] see figure 1 As shown, the filter housing of the KDF dechlorination combined filter element consists of a shell-shaped housing 1, an end cover 2 sleeved on its open end, a water inlet 21 opened on the end cover, and a valve at the other end of the housing opposite to the end cover 2. The end 3 is formed with a water outlet 31 coaxial with the water inlet 21 .

[0032] The filling method of described KDF dechlorination combined filter element comprises the following steps:

[0033] (1) A filter layer 4 is respectively provided at the water inlet end and the water outlet end of the inner cavity of the filter housing 1;

[0034] (2) Five layers of filter materials 5 separated by filter layers 4 are respectively filled between the two filter layers 4 at the water inlet end and the water outlet end of the inner chamber of the filter housing 1 .

[0035] in: ...

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Abstract

The invention relates to a filling method for KDF dechlorination compositive filter elements, which can effectively stop the filter element from being blocked by copper zinc alloy stuck together with undissolved substance which is produced in redox reaction when KDF is used for dechlorination, so that complete contact reaction between filter materials and water can be ensured. The filling method for KDF dechlorination compositive filter elements comprises: (1) filter layers are respectively arranged at the water inlet end and water outlet end of the inner chamber of a filtering shell; and (2) a plurality of layers which are filled with filtering materials separated by filtering layers are filled between the two filtering layers at the water inlet end and the water outlet end of the inner chamber of the filtering shell.

Description

technical field [0001] The invention relates to a filling method of a KDF chlorine removal combined filter element. Background technique [0002] KDF copper-zinc alloy is a new type of chlorine removal and water purification material. Its principle is to use copper-zinc material to react with chlorine molecules in water to achieve the effect of decomposing chlorine molecules. However, this material tends to stick to each other due to oxidation-reduction reactions between copper and zinc particles during use. It forms a plate or block, resulting in a greatly reduced contact area with water, unable to achieve the effect of purifying and dechlorinating water, and even blocking the channel to prevent water from passing through. The commonly used solution is to carry out reverse pressure flushing on the filter material frequently to ensure that the filter material is in a loose state. However, the reverse pressure flushing operation is complicated and the cost is high, and it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D24/12B01D37/00C02F1/50
Inventor 蒋鼎山赵凯
Owner SHENZHEN INIKE ELECTRICAL APPLIANCES
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