KR20040103625A - Water purifier having electrodeionization system - Google Patents

Water purifier having electrodeionization system Download PDF

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KR20040103625A
KR20040103625A KR1020030034667A KR20030034667A KR20040103625A KR 20040103625 A KR20040103625 A KR 20040103625A KR 1020030034667 A KR1020030034667 A KR 1020030034667A KR 20030034667 A KR20030034667 A KR 20030034667A KR 20040103625 A KR20040103625 A KR 20040103625A
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South Korea
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ion exchange
water
exchange resin
water purifier
carbon filter
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KR1020030034667A
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Korean (ko)
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KR100521628B1 (en
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이수영
김병선
이선용
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웅진코웨이주식회사
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00—Golf clubs
    • A63B53/14—Handles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B57/00—Golfing accessories
    • A63B57/20—Holders, e.g. of tees or of balls
    • A63B57/207—Golf ball position marker holders
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06—Handles
    • A63B60/16—Caps; Ferrules
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/08—Characteristics of used materials magnetic

Abstract

PURPOSE: To provide a water purifier having environmentally friendly electrodeionization system by replacing existing membrane filters to substantially increase flow rate of purified water and minimizing an amount of municipal wastewater at the same time. CONSTITUTION: In a water purifier comprising a plurality of filters including a precipitation filter, a pre-treatment carbon filter, a post-treatment carbon filter, etc. to remove heavy metals or impurities contained in raw water, and a drain pipe for discharging concentrated water generated after regeneration to the outside, the water purifier having an electrodeionization system is characterized in that the electrodeionization system(100) is installed between the pre-treatment carbon filter and the post-treatment carbon filter, and the electrodeionization system comprises a body(110); a pair of electrodes(121,122) installed inside the body; a pair of ion exchange membranes(131,132) disposed between the electrodes with being spaced apart from the electrodes; and an ion exchange resin filled between the ion exchange membranes, wherein ions contained in raw water are adsorbed onto the ion exchange resin, and the ions penetrate into the ion exchange membranes by electric current generated from the electrodes afterward so that the ion exchange resin is regenerated.

Description

전기탈이온 시스템을 구비한 정수기{Water purifier having electrodeionization system}Water purifier having electrodeionization system

본 발명은 정수기에 관한 것으로, 보다 상세하게는 종래 멤브레인필터 대신에 전기탈이온 시스템을 사용함으로써 전기적으로 이온을 제거하는 전기탈이온 시스템을 구비한 정수기에 관한 것이다.The present invention relates to a water purifier, and more particularly, to a water purifier having an electric deionization system that electrically removes ions by using an electric deionization system instead of a conventional membrane filter.

일반적으로 산업사회의 발전에 따라 수질오염과 토양오염 등 자연환경 오염이 더욱 가중되고 있기 때문에 원수를 취수 정화시켜 보급하고 있으며, 최근에는 각 가정에서 수돗물에 대해 정수하여 깨끗한 물을 식수로서 활용하기 위해 정수기가 널리 보급되고 있는 추세이다.In general, due to the development of the industrial society, the pollution of the natural environment such as water pollution and soil pollution is increasing, and thus, raw water is purified and distributed.In recent years, in order to utilize clean water as drinking water by purifying tap water in each household Water purifiers are becoming widespread.

이러한 정수기의 형태는 수돗물에 잔류하는 이물질 내지는 각종 오염균을 정수 살균처리하여 정화하는 형태의 것으로, 역삼투압 정수기가 채택됨과 동시에 UV살균램프에 의한 살균과정을 거쳐 정수를 취하는 형태가 널리 이용되고 있으며, 이러한 정수기 내부에는 공급된 원수에 함유된 오염물질, 중금속, 박테리아 등을 제거하기 위한 멤브레인필터가 구비된다.This type of water purifier is a type that purifies by purifying foreign substances or various contaminants remaining in the tap water. The reverse osmosis water purifier is adopted and the type of water purifying through sterilization by UV sterilization lamp is widely used. In the water purifier, a membrane filter is provided to remove contaminants, heavy metals, bacteria, and the like contained in the supplied raw water.

도 1은 종래 역삼투압 정수기를 도시한 개략적인 구성도로서, 도시된 바와 같이, 이러한 역삼투압 정수기는 원수를 공급받아 정수로서 여과처리토록 하고 침전필터(11), 전처리카본필터(12), 멤브레인필터(13), 후처리카본필터(14)로 이루어진다.Figure 1 is a schematic configuration diagram showing a conventional reverse osmosis water purifier, as shown, such a reverse osmosis water purifier to receive the raw water to be filtered as a purified water precipitate filter (11), pretreatment carbon filter (12), membrane It consists of the filter 13 and the post-processing carbon filter 14.

따라서, 침전필터(11)에서는 유입되는 원수에 잔류하면서 입자가 큰 각종 오염물질(부유물)을 제거하게 되고, 이후 전처리카본필터(12)를 통과하면서 원수중에 잔류하는 염소성분, 유기화학물질이 제거되어 진다.Therefore, the precipitation filter 11 removes various contaminants (floats) having large particles while remaining in the incoming raw water, and then removes chlorine components and organic chemicals remaining in the raw water while passing through the pretreated carbon filter 12. It is done.

한편, 멤브레인필터(13)를 거치면서 원수에 존재하는 박테리아, 바이러스, 용존 고형물 및 파울링(fouling) 물질, 중금속, 이온성 물질 등이필터링(filtering)되며 이와 같이 필터링된 물은 후처리카본필터(14)로 안내되면서 미량의 불순물이 제거되고 물맛이 조절되어 맑은 상태의 정수로 변환되어 깨끗한 물을 얻게 되는 것이다.Meanwhile, bacteria, viruses, dissolved solids and fouling substances, heavy metals, ionic substances, etc. present in raw water are filtered through the membrane filter 13, and the filtered water is filtered after the treatment. As it is guided to (14), a small amount of impurities are removed and the taste of the water is controlled to be converted into clear water purified water to obtain clean water.

그리고, 상기 전처리카본필터(12)와 상기 멤브레인필터(13) 사이에는 공급된 원수를 가압하여 중금속 및 발암물질을 분리하는 것을 도와주는 가압펌프(15)가 설치되고, 하측에 농축수를 배출하기 위해 별도의 배수관(13a)이 구비된다. 여기서, 미설명한 도면부호 '16'은 저장탱크이다.In addition, a pressure pump 15 is installed between the pretreatment carbon filter 12 and the membrane filter 13 to help separate heavy metals and carcinogens by pressurizing the supplied raw water and discharging the concentrated water to the lower side. In order to provide a separate drain pipe (13a). Here, reference numeral '16', which is not described, is a storage tank.

그런데, 종래 역삼투압 정수기는 멤브레인필터를 사용하지 않은 정수기에 비해 정수 수준이 매우 높다고 할 수 있으나, 일정한 수준의 정수를 얻기 위해서는 적정한 원수 압력이 필요하고, 정수 유량이 상당히 낮은 관계로 저장탱크를 사용하여 저장된 물을 정수로 이용하며, 이에 따른 공기중 세균에 의한 저장수의 2차 오염 등의 문제점이 있었다.By the way, the conventional reverse osmosis water purifier can be said to have a very high level of purified water compared to a water purifier not using a membrane filter, but in order to obtain a constant level of purified water, proper raw water pressure is required, and the storage tank is used because the purified water flow rate is considerably low. By using the stored water as a purified water, there was a problem such as secondary pollution of the stored water by the bacteria in the air.

이에 따라, 원수압이 낮은 곳에서는 펌프를 사용해야 하며, 잔류염소 및 경도 유발 물질이 많을 경우에는 멤브레인필터의 조기 성능 저하를 일으키게 되며, 특히 정수기를 많이 필요로 하는 지역인 지하수 공급지역 또는 수압이 낮은 지역일 경우에는 상기 멤브레인필터를 구비한 역삼투압 정수기 사용상 많은 제약을 받게 된다.Therefore, the pump should be used in a place where the raw water pressure is low, and when there are a lot of residual chlorine and hardness causing substances, the membrane filter may be degraded early. In particular, the groundwater supply area or the water pressure where the water purifier is needed is low. In the case of the region, there are many restrictions on the use of the reverse osmosis water purifier having the membrane filter.

또한, 역삼투압 정수기의 특성상 일정량의 농축수를 배출해야 하는 구조적인 이유로 정수량의 1~3배 정도를 폐수 또는 배출수로 배출해야 하는 또 다른 문제점이 있었다.In addition, due to the characteristics of the reverse osmosis water purifier due to the structure of the discharge of a certain amount of concentrated water there was another problem to discharge 1 to 3 times the amount of purified water as waste water or effluent.

따라서, 본 발명은 상기와 같은 문제점들을 감안하여 안출된 것으로, 기존의 멤브레인필터를 대체하면서 정수 유량이 현저히 증가됨과 동시에 생활폐수 발생량이 최소화되어 환경친화적인 전기탈이온 시스템을 구비한 정수기를 제공하는데 그 목적이 있다.Accordingly, the present invention has been made in view of the above problems, and while replacing the existing membrane filter to provide a water purifier with an environmentally friendly electric deionization system is to minimize the amount of domestic wastewater generated at the same time the water flow rate is significantly increased. The purpose is.

또한, 본 발명은 전기적으로 이온을 제거하기 때문에 종래 멤브레인필터에 중금속이나 불순물 등이 누적되는 문제점이 발생하지 않기 때문에 항상 일정한 수질을 유지할 수 있을 뿐만 아니라 가압펌프나 저장탱크 등이 불필요하기 때문에 훨씬 컴팩트(compact)한 설계가 가능한 전기탈이온 시스템을 구비한 정수기를 제공하는데 또 다른 목적이 있다.In addition, since the present invention eliminates the problem of accumulating heavy metals or impurities in the conventional membrane filter because it electrically removes ions, it is possible to maintain a constant water quality at all times, and it is much more compact because a pressurized pump or a storage tank is not necessary. It is yet another object to provide a water purifier with an electric deionization system capable of compact design.

도 1은 종래 역삼투압 정수기를 개략적으로 도시한 구성도.1 is a schematic view showing a conventional reverse osmosis water purifier.

도 2는 본 발명에 따른 전기탈이온 시스템을 구비한 정수기를 개략적으로 도시한 구성도.Figure 2 is a schematic diagram showing a water purifier with an electric deionization system according to the present invention.

도 3은 본 발명에 따른 전기탈이온 시스템의 내부 구성요소들의 작동상태를 개략적으로 도시한 단면도.Figure 3 is a cross-sectional view schematically showing the operating state of the internal components of the electric deionization system according to the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

100: 전기탈이온 시스템 110: 몸체100: electrodeionization system 110: body

120: 전극 125: 농축실120 electrode 125 concentration chamber

130: 이온 교환막 135: 희석실130: ion exchange membrane 135: dilution chamber

140: 이온교환수지 145: 배수관140: ion exchange resin 145: drain pipe

151: 센서 152: 자동 밸브151: sensor 152: automatic valve

상기와 같은 목적들을 달성하기 위하여, 본 발명에 따른 전기탈이온 시스템을 구비한 정수기는 침전필터, 전처리카본필터, 후처리카본필터 등의 다수의 필터를 포함하여 원수에 함유된 중금속이나 불순물을 제거하며, 재생후 발생된 농축수를 외부로 배출하도록 배수관이 구비된 정수기에 있어서, 상기 전처리카본필터와 상기 후처리카본필터 사이에 전기탈이온 시스템을 구비하고, 상기 전기탈이온 시스템은 몸체와, 상기 몸체 내부에 설치되는 한쌍의 전극과, 상기 전극 사이에 상기 전극으로부터 이격되어 배치되는 한쌍의 이온 교환막과, 상기 이온 교환막 사이에 충진되는 이온교환수지로 이루어져, 원수에 함유된 이온이 상기 이온교환수지에 흡착되고 이후 상기 전극에서 발생된 전류에 의해 상기 이온이 상기 이온 교환막을투과함으로써 이온교환수지가 재생되는 것을 특징으로 한다.In order to achieve the above objects, the water purifier equipped with the electric deionization system according to the present invention includes a plurality of filters, such as sedimentation filter, pretreatment carbon filter, and aftertreatment carbon filter to remove heavy metals or impurities contained in raw water. The water purifier provided with a drain pipe for discharging the concentrated water generated after the regeneration is provided with an electric deionization system between the pretreatment carbon filter and the aftertreatment carbon filter. A pair of electrodes installed inside the body, a pair of ion exchange membranes spaced apart from the electrodes between the electrodes, and an ion exchange resin filled between the ion exchange membranes so that the ions contained in the raw water are ion exchanged. The ions pass through the ion exchange membrane by the current generated by the electrode after being adsorbed to the resin Characterized in that the water exchange land reproduction.

상기 배수관에는 농축수의 농도를 감지하는 센서가 장착된 것을 특징으로 한다.The drain pipe is characterized in that the sensor for detecting the concentration of the concentrated water.

상기 배수관에는 농축수를 외부로 자동으로 배출하는 자동 밸브가 부착된 것을 특징으로 한다.The drain pipe is characterized in that the automatic valve for automatically discharging the concentrated water to the outside.

상기 이온교환수지는 양이온교환수지와 음이온교환수지가 일정비율로 혼합된 것을 특징으로 한다.The ion exchange resin is characterized in that the cation exchange resin and the anion exchange resin is mixed in a certain ratio.

상기 양이온교환수지와 음이온교환수지의 혼합비율은 양이온교환수지/음이온교환수지의 비가 0.5-1.5인 것을 특징으로 한다.The mixing ratio of the cation exchange resin and the anion exchange resin is characterized in that the ratio of cation exchange resin / anion exchange resin is 0.5-1.5.

상기 양이온교환수지는 이온교환체가 양이온교환섬유 및 음이온교환섬유인 것을 특징으로 한다.The cation exchange resin is characterized in that the ion exchanger is a cation exchange fiber and an anion exchange fiber.

상기 전극은 티타늄 베이스에 백금이 도금된 것이나 SUS 재질인 것을 특징으로 한다.The electrode is characterized in that the titanium base plated with platinum or SUS material.

이하, 첨부된 도면을 참조하여 본 발명에 따른 전기탈이온 시스템을 구비한 정수기를 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail with a water purifier having an electric deionization system according to the present invention.

도 2는 본 발명의 본 발명에 따른 전기탈이온 시스템을 구비한 정수기를 개략적으로 도시한 구성도이고, 도 3은 본 발명에 따른 전기탈이온 시스템의 내부 구성요소들의 작동상태를 개략적으로 도시한 단면도이다. 여기서, 침전필터, 전처리카본필터, 후처리카본필터 등의 구성요소는 종래 구성요소와 동일하므로 자세한 설명은 생략한다.Figure 2 is a schematic view showing a water purifier with an electric deionization system according to the present invention, Figure 3 schematically shows the operating state of the internal components of the electric deionization system according to the present invention. It is a cross section. Here, the components of the precipitation filter, the pretreatment carbon filter, the aftertreatment carbon filter and the like are the same as the conventional components, and thus detailed description thereof will be omitted.

도시된 바와 같이, 본 발명은 종래 정수기의 멤브레인필터(13, 도 1참조) 대신 전기탈이온 시스템(100)을 구비하여 원수에 함유된 이온을 전기적으로 제거하는 정수기이다.As shown, the present invention is a water purifier to electrically remove the ions contained in the raw water by having an electric deionization system 100 in place of the membrane filter 13 (see Fig. 1) of the conventional water purifier.

상기 전기탈이온 시스템(100)은 몸체(110)를 구비하고, 상기 몸체(110) 내측 양쪽에 (+), (-) 전극(120)이 배치되고, 상기 전극(120)의 안쪽 방향으로 일정간격 이격된 상태로 이온 교환막(130)이 설치되고, 상기 이온 교환막(130) 사이에는 상기 이온교환수지(140)가 충진되어, 이온교환수지(140)로 원수가 유입되고 원수로부터 이온 교환막(130)과 전극(120) 사이의 공간으로 탈이온된 이온들이 농축된 후 밖으로 배출된다. 이때, 사용되는 전극(120)은 티타늄 베이스에 백금이 도금된 것이나 SUS 재질이 주로 사용된다.The deionization system 100 includes a body 110, and positive and negative electrodes 120 are disposed on both inner sides of the body 110, and are fixed in an inward direction of the electrode 120. The ion exchange membrane 130 is installed in the spaced apart state, and the ion exchange resin 140 is filled between the ion exchange membrane 130, raw water flows into the ion exchange resin 140, and the ion exchange membrane 130 from the raw water. And deionized ions into the space between the electrode and the electrode 120 are concentrated and then discharged out. At this time, the electrode 120 used is a platinum plated on the titanium base or SUS material is mainly used.

좀더 상세히 설명하면, 상기 몸체(110)의 내부는 크게 3구간으로 구획된다. 즉, 대략 직사각형 형상인 상기 몸체(110)의 양측 내벽에 한쌍의 (+), (-) 전극(121, 122)이 상호 대향되게 설치되고, 상기 전극(120) 사이에 상기 전극(120)으로부터 이격된 상태로 한쌍의 이온 교환막(130)이 배열되고, 상기 전극(120)과 이온 교환막(130) 사이에는 각각 중금속 등이 함유된 농축수가 통과하는 두개의 농축실(125)이 형성된다.In more detail, the inside of the body 110 is largely divided into three sections. That is, a pair of (+) and (-) electrodes 121 and 122 are disposed on both inner walls of the body 110 having a substantially rectangular shape so as to face each other, and between the electrodes 120 between the electrodes 120. A pair of ion exchange membranes 130 are arranged in a spaced apart state, and two enrichment chambers 125 through which concentrated water containing heavy metals pass are formed between the electrode 120 and the ion exchange membrane 130, respectively.

그리고, 상기 이온 교환막(130) 사이에는 양이온 교환수지와 음이온 교환수지가 적절히 혼합된 이온교환수지(140)가 혼합 충진되고, 상기 이온 교환막(130) 사이에는 공급된 원수에 함유된 이온들이 희석되는 희석실(135)이 형성된다. 이때,이온교환수지(140)는 양이온교환수지와 음이온교환수지가 일정 비율로 혼합되며, 대략 양이온교환수지/음이온교환수지의 비율이 0.5-1.5일 때, 이온교환수지(140)의 재생 효율이 가장 좋은 것으로 실험되었다. 또한, 본 발명의 기술분야에 속한 당업자라면 이온교환수지(140) 대신에 이온교환섬유를 이용하여 상술한 바와 동일한 방법으로 재생과정을 수행할 수 있을 것이다.In addition, between the ion exchange membrane 130, an ion exchange resin 140 in which a cation exchange resin and an anion exchange resin are appropriately mixed is mixed and filled, and ions contained in the supplied raw water are diluted between the ion exchange membrane 130. The dilution chamber 135 is formed. At this time, the ion exchange resin 140 is a cation exchange resin and an anion exchange resin is mixed in a predetermined ratio, when the ratio of the cation exchange resin / anion exchange resin is approximately 0.5-1.5, the regeneration efficiency of the ion exchange resin 140 is Experimented with the best. In addition, those skilled in the art will be able to perform the regeneration process in the same manner as described above using the ion exchange fibers instead of the ion exchange resin 140.

바람직하게는, 상기 전기탈이온 시스템(100)은 하단부에 농축실(125)과 소통되는 배수관(145)이 구비되고, 상기 배수관(145)에는 농축수의 농도를 감지하는 센서(151)와 농축수를 외부로 배출시키는 자동 밸브(152)가 더 구비된다. 즉, 전기탈이온 시스템(100)의 하단에 상기 농축실(125)과 소통되도록 배수관(145)이 구비되는데, 이 배수관(145)의 중간에 센서(151)와 자동 밸브(152)가 설치되어 농축실(125) 내의 농축수의 농도가 일정농도 이상인 경우 농축수는 상기 자동 밸브(152)에 의해 상기 배수관(145)을 통해 외부로 배출된다. 여기서, 수동 밸브에 의해 농축수를 외부로 배출시킬 수 있음은 물론이다.Preferably, the electric deionization system 100 is provided with a drain pipe 145 in communication with the concentration chamber 125 at the lower end, the drain pipe 145 is concentrated with a sensor 151 for detecting the concentration of the concentrated water It is further provided with an automatic valve 152 for discharging the water to the outside. That is, a drain pipe 145 is provided at the lower end of the electric deionization system 100 so as to communicate with the concentration chamber 125, and a sensor 151 and an automatic valve 152 are installed in the middle of the drain pipe 145. When the concentration of the concentrated water in the concentration chamber 125 is above a certain concentration, the concentrated water is discharged to the outside through the drain pipe 145 by the automatic valve 152. Here, of course, the concentrated water can be discharged to the outside by the manual valve.

이러한 구성의 본 발명에 따른 전기탈이온 시스템을 구비한 정수기의 작동은 다음과 같다.The operation of the water purifier with the electric deionization system according to the present invention in this configuration is as follows.

원수는 침전필터(11), 전처리카본필터(12)를 통과하면서 각종 불순물이 제거되고, 이후 전기탈이온 시스템(100) 내부의 이온 교환막(130) 사이의 희석실(135)로 공급된다.The raw water passes through the precipitation filter 11 and the pretreatment carbon filter 12 to remove various impurities, and is then supplied to the dilution chamber 135 between the ion exchange membrane 130 inside the electrodeionization system 100.

다시 말해, 전기탈이온 시스템(100)으로 공급된 원수에 함유된 이온들은 희석실(135)로 유입되어 이온교환수지(140)에 일단 붙잡히게 되고, 이후 전류를 가하게 되면 몸체(110) 내부의 양끝에 있는 (+), (-) 전극(121, 122)으로부터 발생된 전류에 의해, 도 3의 화살표로 표시된 바와 같이 이온들이 이동하게 된다.In other words, the ions contained in the raw water supplied to the electric deionization system 100 are introduced into the dilution chamber 135 to be caught by the ion exchange resin 140 once, and then the electric current is applied to the inside of the body 110. The current generated from the positive and negative electrodes 121 and 122 at both ends causes the ions to move as indicated by arrows in FIG. 3.

즉, 양이온들은 양이온 교환막(131)을 투과하여 농축실(125)로 이동하고 음이온들은 음이온 교환막(132)을 투과하여 다른 농축실(125)로 이동한다. 이때, 양이온 교환막(131)은 희석실(135)로부터의 양이온을 투과시키지만 농축실(125)로부터의 음이온을 투과시키지 않고, 음이온 교환막(132)도 희석실(135)로부터의 음이온은 통과시키지만 농축실(125)로부터의 양이온을 투과시키지 않는다.That is, cations move through the cation exchange membrane 131 to the concentration chamber 125 and anions move through the anion exchange membrane 132 to the other concentration chamber 125. At this time, the cation exchange membrane 131 permeates cations from the dilution chamber 135 but does not permeate the anions from the concentration chamber 125, and the anion exchange membrane 132 also passes the anions from the dilution chamber 135 but concentrates. It does not permeate the cation from the chamber 125.

이후, 센서(151)가 농축실(125)의 농축수의 농도를 감지하고, 일정 농도 이상인 경우 자동 밸브(152)에 의해 농축수를 외부로 배출시킨다.Thereafter, the sensor 151 detects the concentration of the concentrated water of the concentration chamber 125 and discharges the concentrated water to the outside by the automatic valve 152 when the concentration is higher than a predetermined concentration.

결과적으로, 농축실(125)에 농축된 이온들은 외부로 배출되어 제거되고, 희석실(135)에서 이온이 제거된 순수한 정수는 후처리카본필터를 통과한 후 사용자에게 공급된다.As a result, ions concentrated in the concentration chamber 125 are discharged to the outside and removed, and pure purified water from which the ions are removed in the dilution chamber 135 is supplied to the user after passing through the aftertreatment carbon filter.

따라서, 공급된 원수는 전기탈이온 시스템(100)으로 유입되어 전기적으로 탈이온과 동시에 재생이 이루어지고, 탈이온 과정에 의해 발생된 이온들은 전극(120)과 이온 교환막(130) 사이에 있는 농축실(125)에 농축되며, 농축수의 농도가 일정 농도 이상이 되면 센서(151)에 의해 감지되어 자동 밸브(152)에 의해 자동으로 외부로 배출된다.Therefore, the supplied raw water is introduced into the electric deionization system 100 to be electrically regenerated and simultaneously regenerated, and the ions generated by the deionization process are concentrated between the electrode 120 and the ion exchange membrane 130. Concentrated in the chamber 125, when the concentration of the concentrated water is more than a predetermined concentration is detected by the sensor 151 is automatically discharged to the outside by the automatic valve 152.

상기된 바와 같은 본 발명에 따른 전기탈이온 시스템을 구비한 정수기는 멤브레인필터를 대체하면서 정수유량이 현저히 증가되고, 전기탈이온 시스템을 이용하여 전기적으로 이온을 제거하기 때문에 이온교환수지 재생을 위한 화학약품이 사용되지 않아 특별히 배출되는 오염물이 없으며, 이온교환 재생시 농축수량을 조절하거나 재생주기를 조절함으로써, 생활폐수 발생량이 최소화되므로 환경보호에 효과적이다.Water purifier with an electrodeionization system according to the present invention as described above, the water purification is significantly increased while replacing the membrane filter, and the chemistry for ion exchange resin regeneration as it removes ions electrically using the electrodeionization system There is no pollutant discharged because no chemicals are used. By controlling the amount of concentrated water or adjusting the regeneration cycle during ion exchange regeneration, it is effective for environmental protection because the amount of domestic wastewater is minimized.

또한, 본 발명은 멤브레인필터를 사용하지 않아 종래 불순물에 의한 멤브레인필터의 막힘현상이 없기 때문에 전체적으로 원수 조건에 따른 정수 수준의 가변성이 매우 낮아지므로 어느 지역에서든 일정수준의 정수처리가 가능하며, 멤브레인필터가 없기 때문에 가압펌프도 불필요하므로 정수기의 컴팩트한 설계가 가능하게 된다.In addition, since the present invention does not use a membrane filter and there is no clogging of the membrane filter due to the conventional impurities, the overall water level variability is very low according to the raw water conditions, so that a certain level of water treatment can be performed in any region. Since no pressurized pump is required, the compact design of the water purifier is possible.

또한, 음이온, 양이온 혼합수지의 혼합 비율을 조절함으로써 정수의 pH를 어느정도 조절하는 것이 가능하기 때문에 종래 역삼투압 정수기에서와 같은 정수의 pH 저하없는 중성 또는 약알칼리성 정수를 제조하는 것도 가능하다.In addition, since the pH of the purified water can be controlled to some extent by controlling the mixing ratio of the anion and the cationic mixed resin, it is also possible to produce a neutral or weakly alkaline purified water without lowering the pH of the purified water as in the conventional reverse osmosis water purifier.

이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It may be changed.

Claims (7)

침전필터, 전처리카본필터, 후처리카본필터 등의 다수의 필터를 포함하여 원수에 함유된 중금속이나 불순물을 제거하며, 재생후 발생된 농축수를 외부로 배출하도록 배수관이 구비된 정수기에 있어서,In the water purifier equipped with a drain pipe to remove heavy metals and impurities contained in the raw water, and to discharge the concentrated water generated after regeneration including a plurality of filters such as sedimentation filter, pre-treatment carbon filter, post-treatment carbon filter, etc. 상기 전처리카본필터와 상기 후처리카본필터 사이에 전기탈이온 시스템을 구비하고, 상기 전기탈이온 시스템은 몸체와, 상기 몸체 내부에 설치되는 한쌍의 전극과, 상기 전극 사이에 상기 전극으로부터 이격되어 배치되는 한쌍의 이온 교환막과, 상기 이온 교환막 사이에 충진되는 이온교환수지로 이루어져, 원수에 함유된 이온이 상기 이온교환수지에 흡착되고 이후 상기 전극에서 발생된 전류에 의해 상기 이온이 상기 이온 교환막을 투과함으로써 이온교환수지가 재생되는 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.An electrodeionization system is provided between the pretreatment carbon filter and the posttreatment carbon filter, and the electrodeionization system is disposed between the body, a pair of electrodes installed inside the body, and spaced apart from the electrode between the electrodes. It consists of a pair of ion exchange membrane and the ion exchange resin filled between the ion exchange membrane, the ions contained in the raw water is adsorbed to the ion exchange resin and then the ions permeate the ion exchange membrane by the current generated by the electrode The water purifier provided with an electric deionization system characterized by regenerating an ion exchange resin. 제 1항에 있어서,The method of claim 1, 상기 배수관에는 농축수의 농도를 감지하는 센서가 장착된 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The water discharge pipe is equipped with an electric deionization system, characterized in that the sensor for detecting the concentration of the concentrated water. 제 1항에 있어서,The method of claim 1, 상기 배수관에는 농축수를 외부로 자동으로 배출하는 자동 밸브가 부착된 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The drain pipe is a water purifier having an electric deionization system, characterized in that the automatic valve is attached to automatically discharge the concentrated water to the outside. 제 1항에 있어서,The method of claim 1, 상기 이온교환수지는 양이온교환수지와 음이온교환수지가 일정비율로 혼합된 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The ion exchange resin is a water purifier having an electric deionization system, characterized in that the cation exchange resin and the anion exchange resin is mixed in a certain ratio. 제 4항에 있어서,The method of claim 4, wherein 상기 양이온교환수지와 음이온교환수지의 혼합비율은 양이온교환수지/음이온교환수지의 비가 0.5-1.5인 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The mixing ratio of the cation exchange resin and anion exchange resin is a water purifier having an electric deionization system, characterized in that the ratio of cation exchange resin / anion exchange resin is 0.5-1.5. 제 1항에 있어서,The method of claim 1, 상기 이온교환수지는 이온교환체가 섬유형태의 양이온교환섬유 및 음이온교환섬유인 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The ion exchange resin is a water purifier having an electric deionization system, characterized in that the ion exchanger is a cation exchange fiber and an anion exchange fiber in the form of fibers. 제 1항에 있어서,The method of claim 1, 상기 전극은 티타늄 베이스에 백금이 도금된 것이나 SUS 재질인 것을 특징으로 하는 전기탈이온 시스템을 구비한 정수기.The electrode is a water purifier having an electrodeionization system, characterized in that the titanium base plated with platinum or SUS material.
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