KR100885215B1 - Apparatus for filtering cooling water - Google Patents

Apparatus for filtering cooling water Download PDF

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Publication number
KR100885215B1
KR100885215B1 KR1020070061785A KR20070061785A KR100885215B1 KR 100885215 B1 KR100885215 B1 KR 100885215B1 KR 1020070061785 A KR1020070061785 A KR 1020070061785A KR 20070061785 A KR20070061785 A KR 20070061785A KR 100885215 B1 KR100885215 B1 KR 100885215B1
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South Korea
Prior art keywords
coolant
cooling water
chamber
filtration
filter member
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KR1020070061785A
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Korean (ko)
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KR20080112839A (en
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유문식
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주식회사 포스코
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/20—Vibrating the filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/04—Backflushing

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

본 발명은 냉각수를 여과하는 필터부재의 이물질을 용이하게 제거할 수 있는 냉각수 여과장치에 관한 것이다.

이를 위한 본 발명은, 냉각수가 저장되는 냉각수 챔버가 마련되는 수조 본체와, 냉각수 챔버와 연통되도록 장착되며 냉각수가 경유하는 여과 챔버와, 여과 챔버에 장착되어 냉각수를 필터링하는 필터부재와, 필터부재에 근접 장착되어 진동을 가하는 초음파 발생기와, 냉각수 챔버로 냉각수를 공급하는 서플라이 배관과, 서플라이 배관에 장착되는 역세 배출 밸브와, 냉각수 챔버와 여과 챔버 각각의 압력을 센싱하도록 장착되는 압력 검출부와, 압력 검출부의 센싱 신호를 전달받아 압력 검출부의 센싱값이 기설정값을 벗어나면 상기 서플라이 배관을 오픈하고 진동 발생기를 작동시키는 제어부를 제공한다.

Figure R1020070061785

냉각수 챔버, 수조, 여과, 필터

The present invention relates to a cooling water filtration device that can easily remove foreign substances in the filter member for filtering the cooling water.

The present invention for this purpose, the tank body is provided with a coolant chamber for storing the coolant, the filtration chamber is mounted to communicate with the coolant chamber, the coolant is passed through, the filter member is mounted to the filtration chamber to filter the coolant, and the filter member Ultrasonic generators that are mounted in close proximity to vibration, supply pipes for supplying cooling water to the coolant chamber, backwash discharge valves mounted on the supply pipes, a pressure detector mounted to sense pressure of the coolant chambers and the filtration chambers, and a pressure detector. When receiving a sensing signal of the sensing value of the pressure detector is out of a predetermined value provides a control unit for opening the supply pipe and operating the vibration generator.

Figure R1020070061785

Coolant chamber, water tank, filtration, filter

Description

냉각수 여과 장치{APPARATUS FOR FILTERING COOLING WATER}Cooling water filtration unit {APPARATUS FOR FILTERING COOLING WATER}

도 1은 냉각수 여과 장치를 개략적으로 도시한 도면이다. 1 is a view schematically showing a cooling water filtration device.

도 2는 도 1의 냉각수의 유입됨에 의한 냉각수의 여과 작동을 도시한 도면이다.2 is a view illustrating a filtration operation of the cooling water by the introduction of the cooling water of FIG. 1.

도 3은 도 1의 역세 배출밸브의 개방에 따른 역세 작동 및 필터부재의 세척 작동을 도시한 도면이다.3 is a view illustrating a backwashing operation and a washing operation of the filter member according to the opening of the backwashing discharge valve of FIG. 1.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

10...수조 본체 11...냉각수 챔버10 ... bath body 11 ... coolant chamber

13...냉각수 15...여과 챔버13 Coolant 15 Filtration chamber

20...필터부재 30...초음파 발생기20 ... filter element 30 ... ultrasonic generator

40...서플라이 배관 50...역세 배출 밸브40 ... Supply piping 50 ... Backwash drain valve

60...압력 검출부 70...제어부60 ... pressure detector 70 ... control unit

본 발명은 냉각수 여과 장치에 관한 것으로, 보다 상세하게는 냉각수를 여과하는 필터부재의 이물질을 용이하게 제거할 수 있는 냉각수 여과장치에 관한 것이 다.The present invention relates to a cooling water filtration device, and more particularly to a cooling water filtration device that can easily remove foreign substances in the filter member for filtering the cooling water.

일반적으로 열교환기등의 냉각매체로서 이용되는 냉각수 순환설비는 설비 내부 또는 외부에서 이물질의 유입과 발생으로 인하여 미생물의 번식이 발생된다. In general, the cooling water circulation facility used as a cooling medium such as a heat exchanger causes the growth of microorganisms due to the inflow and generation of foreign matter inside or outside the facility.

이에 따라, 순환 냉각수 중의 일정 유량을 필터부재를 통과시켜 순환 냉각수 중의 이물질을 제거하여 냉각수의 탁도를 저감한다.As a result, a constant flow rate in the circulating cooling water is passed through the filter member to remove foreign substances in the circulating cooling water, thereby reducing the turbidity of the cooling water.

그러나, 필터부재는 계속적인 여과 작업에 따라 이물질이 축적되어 여과 작업이 용이하게 이루어지지 않는 문제점이 있다. However, the filter member has a problem that the foreign matter is accumulated by the continuous filtration operation is not easy to perform the filtration operation.

본 발명은 상기 전술한 바와 같은 문제점들을 해결하기 위해 창출된 것으로서, 냉각수를 여과하는 필터부재의 이물질을 용이하게 제거할 수 있는 냉각수 여과장치를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a cooling water filtration device that can easily remove foreign substances in the filter member for filtering the cooling water.

상기 목적을 달성하기 위한 본 발명의 냉각수 여과장치는, 냉각수가 저장되는 냉각수 챔버가 마련되는 수조 본체와, 냉각수 챔버와 연통되도록 장착되며 냉각수가 경유하는 여과 챔버와, 냉각수 챔버에 장착되어 냉각수를 필터링하는 필터부재와, 필터부재에 근접 장착되어 진동을 가하는 진동 발생기와, 냉각수 챔버로 냉각수를 공급하는 서플라이 배관과, 서플라이 배관에 장착되는 역세 배출 밸브와, 냉각수 챔버와 여과 챔버 각각의 압력을 센싱하도록 장착되는 압력 검출부와, 압력 검출부의 센싱 신호를 전달받아 압력 검출부의 센싱값이 기설정값을 벗어나면 서플라이 배관을 오픈하고 진동 발생기를 작동시키는 제어부를 포함한다. Cooling water filtration device of the present invention for achieving the above object is, the tank body is provided with a coolant chamber for storing the coolant, the filtration chamber is mounted to communicate with the coolant chamber and the coolant is passed through, and the coolant chamber is mounted to filter the coolant To sense the pressure of each of the filter member, a vibration generator mounted close to the filter member to apply vibration, a supply pipe for supplying cooling water to the cooling water chamber, a backwash discharge valve mounted to the supply pipe, and a pressure of the cooling water chamber and the filtration chamber. It includes a pressure detector to be mounted, and a control unit for receiving the sensing signal of the pressure detector to open the supply pipe and operate the vibration generator when the sensing value of the pressure detector is out of the preset value.

진동 발생기는 초음파 발생장치로 구비될 수 있다.The vibration generator may be provided as an ultrasonic generator.

제어부에는 압력 검출부의 센싱된 압력을 표시하는 디스플레이부가 장착된다.The control unit is equipped with a display unit for displaying the sensed pressure of the pressure detector.

이하 본 발명의 바람직한 실시예에 따른 냉각수 여과장치를 첨부된 도면을 참조하여 상세히 설명한다. 그러나 본 발명은 이하에서 개시되는 실시예에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 것이며, 단지 본 실시예는 본 발명의 개시가 완전하도록 하며, 통상의 지식을 가진자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이다.Hereinafter, a cooling water filtration device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention and to those skilled in the art to fully understand the scope of the invention. It is provided to inform you.

도 1은 냉각수 여과장치를 개략적으로 도시한 도면이다. 1 is a view schematically showing a cooling water filtration device.

도 1에 도시된 바와 같이, 본 발명에 따른 냉각수 여과 장치(100)는, 냉각수가 저장되는 냉각수 챔버(11)가 마련되는 수조 본체(10)와, 냉각수 챔버(11)와 연통되도록 장착되며 냉각수(13)가 경유하는 여과 챔버(15)와, 여과 챔버(15)에 장착되어 냉각수(13)를 여과하는 필터부재(20)와, 필터부재(20)에 근접 장착되어 진동을 가하는 진동발생기(30, 이하 '초음파 발생기')와, 냉각수 챔버(11)로 냉각수(13)를 공급하는 서플라이 배관(40)과, 서플라이 배관(40)에 장착되는 역세 배출 밸브(50)와, 냉각수 챔버(11)와 여과 챔버(15) 각각의 압력을 센싱하도록 장착되는 압력 검출부(60)와, 압력 검출부(60)의 센싱 신호를 전달받아 압력 검출부(60)의 센싱값이 기설정값을 벗어나면 서플라이 배관(40)을 오픈하고 초음파 발생기(30)를 작동시키는 제어부(70)를 구성한다.As shown in FIG. 1, the coolant filtration device 100 according to the present invention includes a water tank main body 10 having a coolant chamber 11 in which coolant is stored, and is connected to communicate with the coolant chamber 11 and has a coolant. A filtration chamber 15 through (13), a filter member 20 mounted on the filtration chamber 15 to filter the cooling water 13, and a vibration generator mounted near to the filter member 20 to apply vibration ( 30, hereinafter referred to as an “ultrasound generator”, a supply pipe 40 for supplying the coolant 13 to the coolant chamber 11, a backwash discharge valve 50 mounted to the supply pipe 40, and a coolant chamber 11. When the sensing value of the pressure detector 60 is received from the pressure detector 60 and the pressure detector 60 mounted to sense the pressure of each of the filtration chamber 15 and the pressure detector 60 deviates from the preset value, the supply piping The controller 40 is configured to open the 40 and operate the ultrasonic generator 30.

상기 수조 본체(10)는 냉각수(13)에 포함된 이물질을 제거하도록 장착된다. 이러한 수조 본체(10)에는 냉각수(13)가 저장되는 냉각수 챔버(11)가 마련된다. 참조번호 12는 냉각수(13)의 배출을 위한 배출관을 말한다. The water tank body 10 is mounted to remove foreign substances contained in the cooling water 13. The bath body 10 is provided with a coolant chamber 11 in which the coolant 13 is stored. Reference numeral 12 denotes a discharge pipe for discharging the cooling water 13.

상기 냉각수 챔버(11)는 수조 본체(10)의 상측에 마련된다. 냉각수 챔버(11)의 하방향에는 여과 챔버(15)가 장착된다. The cooling water chamber 11 is provided above the water tank body 10. The filtration chamber 15 is mounted below the cooling water chamber 11.

도 2는 도 1의 냉각수의 유입됨에 의한 냉각수의 여과 작동을 도시한 도면이다.2 is a view illustrating a filtration operation of the cooling water by the introduction of the cooling water of FIG. 1.

도 2에 도시된 바와 같이, 상기 여과 챔버(15)는 수조 본체(10)의 하방향에 장착되어, 수조 본체(10)의 외부로부터 냉각수(13)의 유입이 이루어진다. 이러한 여과 챔버(15)에는 서플라이 배관(40)이 장착되어 냉각수(13)의 유입이 가능하도록 한다. 서플라이 배관(40)은 냉각수(13)가 유입되는 제1분기관(41)과, 냉각수(13)가 배출되는 제2분기관(43) 및 일단은 여과 챔버(15)에 연통되고 타단은 제1분기관(41) 및 제2분기관(43)에 함께 연통되는 제3분기관(45)으로 구비된다. 이러한 제2분기관(43)에는 역세 배출 밸브(50)가 장착되어, 냉각수(13)의 선택적인 배출이 가능하게 된다. 상기 여과 챔버(15)에는 유입되는 냉각수의 필터링을 위한 필터부재(20)가 장착된다. As shown in FIG. 2, the filtration chamber 15 is mounted in the downward direction of the water tank main body 10 so that the coolant 13 is introduced from the outside of the water tank main body 10. The supply pipe 40 is mounted in the filtration chamber 15 to allow the inflow of the cooling water 13. The supply pipe 40 communicates with the first branch pipe 41 into which the coolant 13 flows, the second branch pipe 43 through which the coolant 13 is discharged, and one end thereof communicate with the filtration chamber 15, and the other end of the supply pipe 40. It is provided with the 3rd branch engine 45 which communicates with the 1 branch pipe 41 and the 2nd branch pipe 43 together. The second branch pipe 43 is equipped with a backwash discharge valve 50, thereby allowing selective discharge of the coolant 13. The filtration chamber 15 is equipped with a filter member 20 for filtering the incoming coolant.

상기 필터부재(20)는 서플라이 배관(40)을 통해 유입된 냉각수(13)가 냉각수 챔버(11)로 이송되기 전에 냉각수(13)에 포함된 이물질을 걸러준다. 이러한 필터부재(20)의 저면에는 초음파 발생기(30)가 장착되어 필터부재에 이물질이 과다하게 축적되면, 진동을 가하여 이물질이 떨어지도록 한다.The filter member 20 filters foreign substances contained in the coolant 13 before the coolant 13 introduced through the supply pipe 40 is transferred to the coolant chamber 11. When the ultrasonic generator 30 is mounted on the bottom of the filter member 20 and foreign matter is accumulated excessively in the filter member, the foreign material is applied to vibrate so that the foreign matter falls.

상기 초음파 발생기(30)는 냉각수 챔버(11)의 압력과 여과 챔버(15)의 압력 검출에 따라 센싱된 압력값이 기설정 값의 범위를 벗어나면 작동이 이루어진다. The ultrasonic generator 30 is operated when the pressure value sensed according to the pressure of the cooling water chamber 11 and the pressure detection of the filtration chamber 15 is out of the range of the preset value.

도 3은 도 1의 역세 배출밸브의 개방에 따른 역세 작동 및 필터부재의 세척 작동을 도시한 도면이다3 is a view illustrating a backwashing operation and a washing operation of the filter member according to the opening of the backwashing discharge valve of FIG. 1.

이러한 초음파 발생기(30)의 작동을 도 3을 참조하여 보다 구체적으로 설명하면, 냉각수 챔버(11) 및 여과 챔버(15)의 압력을 검출하기 위해 압력 검출부(60)가 냉각수 챔버(11) 및 여과 챔버(15)에 각각 장착된다. 이러한 압력 검출부(60)로 검출된 압력 신호는 변환부(71)를 통해 신호 변환되어 제어부(70)로 전송된다. 이에 따라, 제어부(70)는 냉각수 챔버(11) 및 여과 챔버(15)로부터 전송된 압력신호에 따라 그 차이값이 기설정값의 범위를 벗어나게 되면, 필터부재(20)에 이물질이 과다하게 형성됨으로 판단한다. 즉, 필터부재(20)에 이물질이 과다하게 발생되면, 냉각수(13)의 흐름이 원활하게 발생되지 않음으로써, 냉각수 챔버(11)와 여과 챔버(15) 간의 압력 변동이 발생된다. 이에 따라, 압력 검출부(60)를 통해 압력 변동을 센싱하여 필터부재(20)에 이물질의 과다 형성 여부를 판단한다. 이어서, 제어부(70)는 초음파 발생기(30)를 작동시켜 필터부재(20)에 진동을 가하여 이물질이 필터부재(20)로부터 제거되도록 한다. 이와 함께, 역세 배출밸브(50)의 개방이 함께 이루어지도록 함으로써, 필터부재(20)의 제거된 이물질이 배출되도록 한다.The operation of the ultrasonic generator 30 will be described in more detail with reference to FIG. 3. In order to detect the pressure of the coolant chamber 11 and the filtration chamber 15, the pressure detector 60 may filter the coolant chamber 11 and the filtration. It is mounted in the chamber 15, respectively. The pressure signal detected by the pressure detection unit 60 is signal converted through the conversion unit 71 and transmitted to the control unit 70. Accordingly, when the difference value is out of the range of the preset value according to the pressure signal transmitted from the coolant chamber 11 and the filtration chamber 15, the controller 70 excessively forms foreign substances in the filter member 20. Judging by. That is, when excessive foreign matter is generated in the filter member 20, the flow of the cooling water 13 is not smoothly generated, thereby causing a pressure variation between the cooling water chamber 11 and the filtration chamber 15. Accordingly, the pressure change is sensed through the pressure detector 60 to determine whether the foreign matter is excessively formed in the filter member 20. Subsequently, the controller 70 operates the ultrasonic generator 30 to apply vibration to the filter member 20 so that the foreign matter is removed from the filter member 20. In addition, by opening the backwash discharge valve 50 together, the removed foreign matter of the filter member 20 is discharged.

상기의 구성을 갖는 본 발명에 따른 냉각수 여과장치의 작용을 설명한다.The operation of the cooling water filtration device according to the present invention having the above configuration will be described.

본 발명에 따른 냉각수 여과장치(100)는 냉각수를 여과하는 필터부재의 이물질을 용이하게 제거한다.Cooling water filtration device 100 according to the present invention easily removes foreign substances in the filter member for filtering the cooling water.

이러한 냉각수 여과장치(100)의 작동은,The operation of this coolant filtration device 100,

먼저, 압력 검출부(60)를 통해 냉각수 챔버(11) 및 여과 챔버(15)의 압력을 센싱한다.First, the pressure of the coolant chamber 11 and the filtration chamber 15 is sensed through the pressure detector 60.

이어서, 센싱된 압력 신호는 변환부(71)를 거쳐 제어부(70)로 전송된다. 이러한 압력신호는 표시부(73)를 통해 작업자가 확인 가능하다.Subsequently, the sensed pressure signal is transmitted to the controller 70 via the converter 71. This pressure signal can be confirmed by the operator through the display unit (73).

다음, 제어부(70)는 냉각수 챔버(11) 및 여과 챔버(15)의 센싱된 압력 차이값이 기설정된 범위를 벗어나게 되면, 초음파 발생기(30)를 작동시키고, 역세 배출 밸브(43)를 개방한다. 이에 따라, 초음파 발생기(30)로부터 발생된 진동에 의해 필터부재(20)에 부착된 이물질이 떨어진다. 이러한 이물질은 역세 배출 밸브(43)의 개방에 따른 역세 작업시 외부로 함께 배출된다. Next, when the sensed pressure difference between the coolant chamber 11 and the filtration chamber 15 is out of a predetermined range, the controller 70 operates the ultrasonic generator 30 and opens the backwash discharge valve 43. . Accordingly, foreign matter attached to the filter member 20 is dropped by the vibration generated from the ultrasonic generator 30. These foreign matters are discharged together with the outside during the backwashing operation due to the opening of the backwash discharge valve 43.

이상, 본 발명을 도면에 도시된 실시예를 참조하여 설명하였다. 그러나, 본 발명은 이에 한정되지 않고 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 본 발명과 균등한 범위에 속하는 다양한 변형예 또는 다른 실시예가 가능하다. 따라서, 본 발명의 진정한 보호범위는 이어지는 특허청구범위에 의해 정해져야 할 것이다.The present invention has been described above with reference to the embodiments shown in the drawings. However, the present invention is not limited thereto, and various modifications or other embodiments falling within the scope equivalent to the present invention are possible by those skilled in the art. Therefore, the true scope of protection of the present invention should be defined by the following claims.

상기와 같은 본 발명에 따른 냉각수 여과장치는 다음과 같은 효과를 갖는다.Cooling water filtration device according to the present invention as described above has the following effects.

냉각수 여과장치의 필터부재의 근접된 위치에 초음파 발생기를 장착하고, 초음파 진동에 의한 필터부재의 이물질의 제거가 가능하도록 함으로써, 필터부재의 이물질의 용이한 제거가 가능하다.By mounting an ultrasonic generator in a position adjacent to the filter member of the cooling water filtration device, and enabling to remove foreign substances in the filter member by ultrasonic vibration, it is possible to easily remove foreign substances in the filter member.

Claims (3)

냉각수가 저장되는 냉각수 챔버가 마련되는 수조 본체;A water tank body is provided with a coolant chamber for storing the coolant; 상기 냉각수 챔버와 연통되도록 장착되며, 상기 냉각수가 경유하는 여과 챔버;A filtration chamber mounted to communicate with the cooling water chamber and passing through the cooling water; 상기 여과 챔버에 장착되어 상기 냉각수를 필터링하는 필터부재;A filter member mounted to the filtration chamber to filter the cooling water; 상기 필터부재에 근접 장착되어 진동을 가하는 초음파 발생기;An ultrasonic generator mounted close to the filter member to apply vibration; 상기 냉각수 챔버로 냉각수를 공급하는 서플라이 배관;A supply pipe for supplying coolant to the coolant chamber; 상기 서플라이 배관에 장착되는 역세 배출 밸브;A backwash discharge valve mounted to the supply pipe; 상기 냉각수 챔버와 상기 여과 챔버 각각의 압력을 센싱하도록 장착되는 압력 검출부; 및A pressure detector mounted to sense pressure of each of the cooling water chamber and the filtration chamber; And 상기 압력 검출부의 센싱 신호를 전달받아, 상기 압력 검출부의 센싱값이 기설정값을 벗어나면 상기 서플라이 배관을 오픈하고 상기 진동 발생기를 작동시키는 제어부;를 포함하는 냉각수 여과 장치.And a control unit which receives the sensing signal of the pressure detector and opens the supply pipe and operates the vibration generator when the sensing value of the pressure detector is out of a predetermined value. 삭제delete 제1항에 있어서,The method of claim 1, 상기 제어부에는 상기 압력 검출부의 센싱된 압력을 표시하는 디스플레이부 가 장착되는 냉각수 여과 장치.The control unit is equipped with a cooling water filtering device that is equipped with a display for displaying the sensed pressure of the pressure detector.
KR1020070061785A 2007-06-22 2007-06-22 Apparatus for filtering cooling water KR100885215B1 (en)

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KR19980013842A (en) * 1996-08-03 1998-05-15 김광호 Video Keyphone
KR20030093705A (en) * 2002-06-05 2003-12-11 주식회사 포스코 An apparatus for filtering a cooling water with scales

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980013842A (en) * 1996-08-03 1998-05-15 김광호 Video Keyphone
KR20030093705A (en) * 2002-06-05 2003-12-11 주식회사 포스코 An apparatus for filtering a cooling water with scales

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