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Filtration device having variable filter

A filter device and filter technology, which is applied in the direction of membrane filter, fixed filter element filter, filter separation, etc., can solve the problems of difficult production, unrecoverable filter, and long recovery time

Inactive Publication Date: 2011-01-26
郑守焕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the complexity of this structure for preventing the filter from twisting, it is difficult to manufacture
In addition, when the pressure applied to the filter is released for backwashing, since the filter returns to its original position only by its own restoring force and the filter contains raw water, it takes a long time to restore, and in severe cases, the filter cannot be restored

Method used

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Embodiment Construction

[0026] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the present invention, descriptions of related known functions or structures may be omitted if they make the gist of the present invention unclear.

[0027] figure 1 is a perspective view of the appearance of a filter device with a variable filter according to the present invention. figure 2 is a perspective view of an external structure of a filter device with a variable filter according to the present invention. image 3 is a perspective view of the internal structure of a filter device with a variable filter according to the present invention. Figure 4 It is a partial sectional view at the time of filtration of the filter device having a variable filter according to the present invention. Figure 5 is a partial sectional view during backwashing of a filtration device with a variable filter according to the present inven...

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Abstract

Disclosed is a filtration device having a variable filter according to the present invention including a cylindrical housing 100; a plurality of cylindrical filters 210 and 220 which are serially disposed in the housing 100; an upper supporting plate 230 for supporting an upper side of the uppermost filter 210; a compressing plate 240 for supporting a lower side of the lowermost filter 220; a supporting rod 250 which is fixed to the upper supporting plate 230 and an lower end of the housing 100 and installed to pass through the filters 210 and 220; and a compressing means 300 which lifts up or down the compressing plate 240 so as to control pores of the filters 210 and 220 when filtering raw water.

Description

technical field [0001] The present invention relates to a filter device with a variable filter, in particular, to a variable filter that changes the size of the filter holes by compressive force when filtering raw water. Background technique [0002] Generally speaking, the filters used in the pre-filtration process of filtering raw water are divided into disposable filters and semi-permanent filters that can be regenerated after regular backwashing. However, the disposable filter needs to be replaced frequently, and there is a problem that the cost increases, so the use of the semi-permanent filter is increasing. However, the semi-permanent filter has the following disadvantages. When the semi-permanent filter has small-sized holes, even if backwashing is performed, the filtration efficiency will decrease. On the contrary, when the semi-permanent filter has large-sized holes, the regeneration efficiency is high and the filtration efficiency of fine particles is low. . In ...

Claims

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Application Information

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IPC IPC(8): B01D35/30
CPCB01D29/114B01D2201/182B01D2201/186B01D29/54B01D35/16B01D35/30B01D2201/202B01D2201/306
Inventor 郑守焕
Owner 郑守焕
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