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Water purifier equipped with deionization filter and control method therefor

A control method and deionization technology, which can be used in separation methods, chemical instruments and methods, filtration and separation, etc., and can solve problems such as increased TDS concentration

Active Publication Date: 2020-07-28
科唯怡株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the deionization filter removes the ionic species by absorbing the ionic species through the electric force, when the application of the voltage to the deionization filter is stopped, the trapped ionic species are re-eluted, causing Increased TDS concentration inside the DI filter unit
[0005] Also, even after the regeneration operation of the DI filter is completed, the TDS concentration inside the DI filter unit increases

Method used

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  • Water purifier equipped with deionization filter and control method therefor
  • Water purifier equipped with deionization filter and control method therefor
  • Water purifier equipped with deionization filter and control method therefor

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Embodiment Construction

[0015] Hereinafter, preferred embodiments are described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily implement. However, in describing the preferred embodiments of the present invention in detail, if a detailed explanation of a related known function or structure is considered to unnecessarily deviate from the gist of the present invention, the detailed explanation will be omitted. Furthermore, the same reference numerals are used for components with similar functions and actions throughout the figures.

[0016] In addition, throughout the specification, when it is described that a certain part is "connected" to another part, not only the case of "direct connection" but also the case of "indirect connection" through other elements is included. In addition, "include" a certain structural element should be understood as also including other structural elements, rather than excluding othe...

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Abstract

A water purifier equipped with a deionization filter, according to one embodiment of the present invention, comprises: a deionization filter for performing a deionization operation for removing ionicsubstances contained in incoming water; a power supply unit for selectively applying a deionization voltage or a recycling voltage to the deionization filter; a water purification valve, provided on apurified water flow path connected to an outlet of the deionization filter, for controlling the amount of purified water dispensed by an opening and closing operation; and a control unit for, when apurified water dispensing start signal is input, controlling the power supply unit to apply the deionization voltage to the deionization filter and opening the water purification valve.

Description

technical field [0001] The present application relates to a water purifier provided with a deionization filter and a control method thereof. Background technique [0002] Recently, research on a deionization filter that removes ionic substances and the like contained in raw water using electric attraction force has been actively conducted. [0003] For example, a deionization filter that performs a deionization operation by using a bipolar ion exchange membrane including a cation exchange membrane and an anion exchange membrane has been proposed. [0004] However, since the deionization filter removes the ionic species by absorbing the ionic species through the electric force, when the application of the voltage to the deionization filter is stopped, the trapped ionic species are re-eluted, causing Increased TDS concentration inside the DI filter unit. [0005] Also, even after the regeneration operation of the deionization filter is completed, the TDS concentration inside...

Claims

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Application Information

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IPC IPC(8): C02F1/469B01D35/157B01D37/04
CPCB01D35/157B01D37/04C02F1/469C02F1/4695B01D35/1573B01D37/041B01D37/043
Inventor 文炯珉李丙弼金澈晧姜尚贤李国元文诚敏
Owner 科唯怡株式会社
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