KR101819890B1 - Heat exchanger with a cleaning function - Google Patents

Heat exchanger with a cleaning function Download PDF

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Publication number
KR101819890B1
KR101819890B1 KR1020170126572A KR20170126572A KR101819890B1 KR 101819890 B1 KR101819890 B1 KR 101819890B1 KR 1020170126572 A KR1020170126572 A KR 1020170126572A KR 20170126572 A KR20170126572 A KR 20170126572A KR 101819890 B1 KR101819890 B1 KR 101819890B1
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South Korea
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water
cooling water
process fluid
circulation
water supply
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KR1020170126572A
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Korean (ko)
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박길수
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성도종합기술(주)
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G15/00—Details
    • F28G15/003—Control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a heat exchanger with a cleaning function capable of increasing workability and productivity. The heat exchanger with a cleaning function comprises: a process fluid passage through which the process fluid flows; a cooling water passage through which cooling water heat-exchanging with the process fluid flows; a supply tube supplying a process fluid to the process fluid passage and a discharge tube discharging the process fluid to the process fluid passage; a water supply tube supplying the cooling water to the cooling water passage and a water drainage tube discharging the cooling water to the cooling water passage; a heat exchanger main body including the water supply valve and the water drainage valve installed in the water supply tube and the water drainage tube, respectively; and a washing unit which includes a branched water supply tube and a branched water drainage tube branched from the water supply tube and water drainage tube, a circulation passage connecting the branched water supply tube and the branched water drainage tube, a washing bath disposed in the circulation passage to store the circulation cooling water, a circulation pump circulating the circulation cooling water through the circulation passage, a cooling unit cooling the circulation cooling water being circulated, and a branched water supply valve and a branched water drainage valve installed in the branched water supply tube and the water supply drainage tube, respectively.

Description

세정기능을 갖는 열교환기{Heat exchanger with a cleaning function}[0001] Heat exchanger with a cleaning function [

본 발명은 열교환기의 가동 중에도 열교환기를 세정할 수 있는 세정기능을 갖는 열교환기에 관한 것이다.The present invention relates to a heat exchanger having a cleaning function capable of cleaning a heat exchanger even during operation of the heat exchanger.

열교환기는 다른 유체 간의 열 에너지를 교환하는 장치에 해당한다. 열교환기는 사용목적에 따라 가열기, 냉각기 등으로 호칭될 수 있다. 일반적으로 열교환기는 셀 내부에 다수의 튜브를 배열한 셀앤튜브(Shell & tube)형이 많이 사용되며, 열매체로 사용되는 유체는 냉각탑에서 대기와 열교환하여 냉각된다.The heat exchanger corresponds to a device for exchanging heat energy between different fluids. The heat exchanger may be referred to as a heater, a cooler, or the like depending on the purpose of use. Generally, a shell & tube type in which a plurality of tubes are arranged inside a cell is commonly used as a heat exchanger, and a fluid used as a heating medium is cooled by heat exchange with the atmosphere in a cooling tower.

열교환기는 장시간 사용하게 되면 대기 중의 미생물, 먼지 등의 이물질이 유체로 유입될 수 있고, 이 이물질이 열교환기 튜브 내면에 쌓여 스케일, 슬라임 등의 부착물을 형성할 수 있으며, 결과적으로 열교환기의 성능이 저하되고 수명이 단축되는 등의 문제점이 있다.When the heat exchanger is used for a long period of time, foreign substances such as microorganisms and dust in the air can be introduced into the fluid, and the foreign matter can accumulate on the inner surface of the heat exchanger tube to form deposits such as scale and slime. As a result, There is a problem such that the life is shortened.

이러한 문제점을 해결하기 위해 정기적(1년 ~ 2년)으로 공정전체 운전을 정지한 후 열교환기를 해체하고 열교환기 튜브에 약품을 사용하거나 고압의 물을 직접 분사하여 열교환기의 튜브 내면에 형성된 부착물을 세척하고 있다. 그런데 공정전체를 구성하는 다수의 열교환기 중 일부 열교환기 1 ~ 2기가 정기적으로 실시하고 있는 유수보수 기간에 도달하기 전에 열교환 효율이 저하되는 경우에도 공정 전체를 정지한 후 세척을 해야 함으로 많은 시간과 인력 및 장비가 소요됨에 따라 생산계획 차질 및 경비가 많이 소비된다.In order to solve these problems, it is necessary to stop the entire process at regular intervals (one year to two years), dismantle the heat exchanger, use chemicals in the heat exchanger tube, or inject high pressure water directly, It is washing. However, even if heat exchanging efficiency decreases before some of the heat exchangers which are part of the entire process and some of the heat exchangers are regularly performed, it is necessary to stop the whole process and then clean As manpower and equipment are consumed, production planning disruption and expenses are consumed.

본 발명은 상술한 바와 같은 문제점을 해결하기 위한 것으로, 열교환기를 정지시키지 않고 열교환기를 정상적으로 가동하면서 열교환기를 세정할 수 있어 생산성 및 작업성을 향상시킬 수 있는 세정기능을 갖는 열교환기를 제공하는 것을 목적으로 한다.The object of the present invention is to provide a heat exchanger having a cleaning function capable of cleaning the heat exchanger while normally operating the heat exchanger without stopping the heat exchanger to improve productivity and workability do.

상기 목적을 달성하기 위한 본 발명에 따른 세정기능을 갖는 열교환기는 공정유체가 유동하는 공정유체유로와, 공정유체와 열교환하는 냉각수가 유동하는 냉각수유로와, 공정유체유로에 공정유체를 공급하고 배출하는 공급관 및 배출관과, 냉각수유로에 냉각수를 공급하고 배출하는 급수관 및 배수관과, 급수관 및 상기 배수관에 각각 설치된 급수밸브 및 배수밸브를 가지는 열교환기 본체 및, 급수관 및 배수관으로부터 각각 분기된 급수분기관 및 배수분기관과, 급수분기관과 배수분기관을 상호 연결하는 순환유로와, 순환유로내에 배치되어 순환냉각수를 저장하는 세정조와, 순환유로를 통해 순환냉각수를 순환시키는 순환펌프와, 순환중인 순환냉각수를 냉각시키는 냉각부와, 급수분기관 및 급수배수관에 각각 설치된 분기급수밸브 및 분기배수밸브를 갖는 세정유닛을 갖는다.According to an aspect of the present invention, there is provided a heat exchanger having a cleaning function, including: a process fluid flow path through which a process fluid flows; a cooling water flow path through which cooling water that exchanges heat with the process fluid flows; A water supply pipe and a drain pipe for supplying and discharging cooling water to and from the cooling water channel, a main body of a heat exchanger having a water supply valve and a drain valve respectively installed in the water supply pipe and the water discharge pipe, A circulation flow passage for circulating the circulation cooling water through the circulation flow passage; a circulation pump for circulating the circulation cooling water in the circulation flow passage; A cooling section for cooling the water, a branch water valve and a branch water drain valve provided respectively in the water supply branch pipe and the water supply pipe It has the cleaning unit having a probe.

여기서, 사용자 입력부와, 세정조의 수위를 검출하는 수위센서와, 배출관을 통해 배출되는 공정유체의 온도를 검출하는 공정유체온도센서와, 사용자 입력부를 통해 세정명령이 입력되면, 배수밸브를 차단하고, 분기배수밸브를 개방하여 냉각수가 순환유로로 공급되게 하며, 수위센서로부터의 신호에 기초하여 순환냉각수가 소정의 세정수위에 도달하였을 때 순환펌프를 가동시킨 후 분기급수밸브를 개방하여 순환냉각수가 냉각수유로와 순환유로를 순환되게 하고, 공정유체온도센서의 신호에 기초하여 공정유체가 미리 설정된 온도로 냉각되었을 때 급수밸브를 차단하여 순환냉각수만 순환되도록 제어하는 제어부를 더 포함하는 것이 바람직하다. A process fluid temperature sensor for detecting the temperature of the process fluid discharged through the discharge pipe; and a control unit for shutting off the drain valve when a cleaning command is inputted through the user input unit, The branch water discharge valve is opened to allow the cooling water to be supplied to the circulation flow passage. When the circulation cooling water reaches the predetermined cleaning water level based on the signal from the water level sensor, the circulation pump is operated, And a control unit for causing the flow path and the circulating flow path to circulate and controlling the circulation of only the circulating cooling water by shutting off the water supply valve when the process fluid is cooled to a preset temperature based on the signal of the process fluid temperature sensor.

또한, 순환냉각수의 온도를 검출하는 순환수온도센서를 더 포함하며, 제어부는 순환냉각수의 온도가 소정의 상한온도를 벗어났을 때 냉각부가 작동하도록 제어하는 것이 바람직하다. 이에 의해 순환냉각수의 온도를 적정 온도로 유지할 수 있다.The control unit may further include a circulating water temperature sensor for detecting the temperature of the circulating cooling water, and the control unit controls the cooling unit to operate when the temperature of the circulating cooling water is out of the predetermined upper limit temperature. Thereby, the temperature of the circulating cooling water can be maintained at an appropriate temperature.

그리고, 세정조에 세정액을 공급하는 세정액공급부를 더 포함하며, 제어부는 급수밸브가 차단되었을 때 세정액공급부에서 세정액이 세정조에 공급되도록 제어하는 것이 바람직하다. 이에 의해 순환냉각수가 냉각수유로를 유동하면서 냉각수유로를 세정할 수 있다.The control unit may further include a cleaning liquid supply unit for supplying a cleaning liquid to the cleaning tank, and the control unit controls the cleaning liquid to be supplied to the cleaning tank from the cleaning liquid supply unit when the water supply valve is shut off. As a result, the circulating cooling water can flow through the cooling water flow path while cleaning the cooling water flow path.

전술한 구성을 갖는 본 발명의 세정기능을 갖는 열교환기는 열교환기를 정지시키지 않고 열교환기를 정상적으로 가동하면서 열교환기를 세정할 수 있어 생산성 및 작업성을 향상시킬 수 있는 효과가 있다.The heat exchanger having the cleaning function of the present invention having the above-described structure can clean the heat exchanger while normally operating the heat exchanger without stopping the heat exchanger, thereby improving productivity and workability.

도 1은 본 발명의 실시예에 따른 세정기능을 갖는 열교환기를 나타내는 도면.
도 2는 본 발명의 실시예에 따른 세정기능을 갖는 열교환기의 세정기능의 제어 관련 구성을 기능적으로 도시한 블록도.1 is a view of a heat exchanger having a cleaning function according to an embodiment of the present invention.
2 is a block diagram functionally illustrating a control-related configuration of a cleaning function of a heat exchanger having a cleaning function according to an embodiment of the present invention;

이하, 첨부된 도면을 참조하여 본 발명의 실시예에 따른 세정기능을 갖는 열교환기를 구체적으로 설명한다.Hereinafter, a heat exchanger having a cleaning function according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시예에 따른 세정기능을 갖는 열교환기를 나타내는 도면, 도 2는 본 발명의 실시예에 따른 세정기능을 갖는 열교환기의 세정기능의 제어 관련 구성을 기능적으로 도시한 블록도이다.FIG. 1 is a view showing a heat exchanger having a cleaning function according to an embodiment of the present invention, and FIG. 2 is a block diagram functionally showing a control related configuration of a cleaning function of a heat exchanger having a cleaning function according to an embodiment of the present invention .

이를 참조하면, 실시예에 따른 세정기능을 갖는 열교환기(100)는 열교환기 본체(110), 세정유닛(120)을 포함한다.Referring to the drawings, the heat exchanger 100 having a cleaning function according to the embodiment includes a heat exchanger main body 110 and a cleaning unit 120.

열교환기 본체(110)는 공정유체가 유동하는 공정유체유로(111)와, 공정유체와 열교환하는 냉각수가 유동하는 냉각수유로(112)를 갖는다. 또한, 열교환기 본체(110)는 공정유체유로(111)에 공정유체를 공급하고 배출하는 공급관(113) 및 배출관(114)과, 냉각수유로(112)에 냉각수를 공급하고 배출하는 급수관(115) 및 배수관(116)을 갖는다. 이때, 급수관(115) 및 배수관(116)에는 각각 급수밸브(115a) 및 배수밸브(116a)가 설치된다.The heat exchanger main body 110 has a process fluid flow path 111 through which the process fluid flows and a cooling water flow path 112 through which the cooling water that exchanges heat with the process fluid flows. The main body 110 of the heat exchanger further includes a supply pipe 113 and a discharge pipe 114 for supplying and discharging the process fluid to the process fluid flow path 111 and a water supply pipe 115 for supplying and discharging the cooling water to the cooling water flow path 112, And a drain pipe 116. At this time, a water supply valve 115a and a drain valve 116a are installed in the water supply pipe 115 and the water discharge pipe 116, respectively.

또한, 배출관(114)에는 배출관(114)을 통해 배출되는 공정유체의 온도를 측정하는 공정유체온도센서(114a)가 설치된다.In addition, the discharge pipe 114 is provided with a process fluid temperature sensor 114a for measuring the temperature of the process fluid discharged through the discharge pipe 114.

여기서, 공정유체유로(111)의 내부에는 복수개의 배플(baffle)(111a)이 서로 이격되어 지그재그 형식으로 교대 배치되고, 복수개의 배플(111a)은 공정유체유로(111)를 복수의 패스 파티션(pass partition)으로 구획하여 공정유체의 흐름을 바꾼다. 이에 의해 공정유체유로(111)를 따라 유동하는 공정유체가 냉각수유로(112)와 많은 접촉이 이루어져 열교환 성능이 향상된다.A plurality of baffles 111a are alternately arranged in a staggered manner in the process fluid flow path 111 and a plurality of baffles 111a are disposed in the process fluid flow path 111 in a plurality of pass partitions pass partition to change the flow of the process fluid. As a result, the process fluid flowing along the process fluid flow path 111 is in much contact with the cooling water flow path 112, thereby improving heat exchange performance.

세정유닛(120)은 급수관(115) 및 배수관(116)으로부터 각각 분기된 급수분기관(121) 및 배수분기관(122)과, 급수분기관(121)과 배수분기관(122)을 상호 연결하는 순환유로(123)와, 순환유로(123)내에 배치되어 순환냉각수를 저장하는 세정조(124)와, 순환유로(123)를 통해 순환냉각수를 순환시키는 순환펌프(125)와, 순환중인 순환냉각수를 냉각시키는 냉각부(126)를 갖는다. 또한, 급수분기관(121) 및 배수분기관(122)에는 각각 분기급수밸브(121a) 및 분기배수밸브(122a)가 설치된다.The cleaning unit 120 is connected to the water supply pipe 121 and the water discharge pipe 122 branched from the water supply pipe 115 and the water discharge pipe 116 and the water supply pipe 121 and the water discharge pipe 122, A circulation pump 125 for circulating the circulating cooling water through the circulation flow passage 123 and a circulation pump 125 for circulating the circulating cooling water through the circulation flow passage 123, And a cooling unit 126 for cooling the cooling water. A branch water supply valve 121a and a branch drain valve 122a are provided in the water supply branch pipe 121 and the drain branch pipe 122, respectively.

세정조(124)의 상부에는 순환냉각수가 저장된 세정조(124)에 세정액을 공급하는 세정액공급부(127)가 설치된다.A cleaning liquid supply unit 127 for supplying a cleaning liquid to the cleaning tank 124 in which the circulating cooling water is stored is installed on the upper portion of the cleaning tank 124.

여기서, 순환유로(123)의 소정 위치에는 순환유로(123)를 유동하는 순환냉각수의 온도를 측정하는 순환수온도센서(123a)가 설치된다.Here, a circulating water temperature sensor 123a for measuring the temperature of the circulating cooling water flowing through the circulating flow path 123 is installed at a predetermined position of the circulating flow path 123.

세정조(124)에는 세정조(124)에 저장되는 순환냉각수의 수위를 검출하는 수위센서(124a)와, 순환냉각수의 탁도를 측정하는 탁도센서(124b)가 설치된다.The washing tub 124 is provided with a water level sensor 124a for detecting the level of the circulating cooling water stored in the washing tub 124 and a turbidity sensor 124b for measuring the turbidity of the circulating cooling water.

아울러, 본 발명은 상술한 급수밸브(115a), 배수밸브(116a), 순환펌프(1125), 냉각부(126), 분기급수밸브(121a) 및, 분기배수밸브(122a)를 제어하는 제어부(130)를 더 포함하는 것이 바람직하다. 이때, 제어부(130)는 사용자입력부, 공정유체온도센서(114a), 순환수온도센서(123a), 수위센서(124a) 및 탁도센서(124b)로부터 정보를 수신한다.The present invention is also applicable to a control unit for controlling the water supply valve 115a, the drain valve 116a, the circulation pump 1125, the cooling unit 126, the branch water supply valve 121a and the branch drain valve 122a 130). At this time, the control unit 130 receives information from the user input unit, the process fluid temperature sensor 114a, the circulating water temperature sensor 123a, the water level sensor 124a, and the turbidity sensor 124b.

이와 같은 제어부(130)는 사용자 입력부를 통해 세정명령이 입력되면, 배수밸브(116a)를 차단하고, 분기배수밸브(122a)를 개방하여 냉각수가 순환유로(123)로 공급되게 하며, 수위센서(124a)로부터의 신호에 기초하여 순환냉각수가 소정의 세정수위에 도달하였을 때 순환펌프(125)를 가동시킨 후 분기급수밸브(121a)를 개방하여 순환냉각수가 냉각수유로(112)와 순환유로(123)를 순환되게 하고, 공정유체온도센서(114a)의 신호에 기초하여 공정유체가 미리 설정된 온도로 냉각되었을 때 급수밸브(115a)를 차단하여 순환냉각수만 순환되도록 제어한다.When the cleaning command is inputted through the user input unit, the control unit 130 cuts off the drain valve 116a and opens the branch drain valve 122a to supply the cooling water to the circulation channel 123, When the circulating cooling water reaches a predetermined rinsing water level, the circulation pump 125 is operated and then the branch water supply valve 121a is opened so that the circulating cooling water flows through the cooling water passage 112 and the circulation passage 123 And controls the circulation of only the circulating cooling water by shutting off the water supply valve 115a when the process fluid is cooled to a predetermined temperature based on the signal of the process fluid temperature sensor 114a.

이때, 급수밸브(115a)가 차단되면 제어부(130)는 세정액공급부(127)에서 세정액이 세정조(124)에 공급되도록 제어한다.At this time, when the water supply valve 115a is shut off, the control unit 130 controls the cleaning liquid supply unit 127 to supply the cleaning liquid to the cleaning tank 124.

또한, 제어부(130)는 순환수온도센서(123a)에서 측정된 순환냉각수의 온도가 소정의 상한온도를 벗어났을 때 냉각부(126)가 작동하도록 제어하여 순환냉각수가 냉각되게 한다.The control unit 130 controls the cooling unit 126 to operate when the temperature of the circulating cooling water measured by the circulating water temperature sensor 123a exceeds a predetermined upper limit temperature to cool the circulating cooling water.

제어부(130)는 탁도센서(124b)에서 측정된 순환냉각수의 탁도가 설정된 범위 내이면 급수밸브(115a)와 배수밸브(116a)를 개방하고, 분기급수밸브(121a)와 분기배수밸브(122a)를 차단하여 냉각수가 순환유로(123)를 통해 순환되지 않게 함과 동시에 순환펌프(125) 및 세정액공급부(127)의 작동이 정지되도록 제어한다.The control unit 130 opens the water supply valve 115a and the drain valve 116a and controls the flow rate of the water in the branch water supply valve 121a and the branch water discharge valve 122a, So that the cooling water is prevented from circulating through the circulation channel 123 and the operation of the circulation pump 125 and the cleaning liquid supply unit 127 is stopped.

이상 본 발명의 실시예를 첨부도면을 참조하여 설명하였지만, 당해 기술분야에 숙련된 사람은 하기의 특허청구범위에 기재된 본 발명의 기술적 사상으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경할 수 있음을 이해할 수 있을 것이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be understood.

110; 열교환기 본체
111; 공정유체유로
112; 냉각수유로
113; 공급관
114; 배출관
115; 급수관
116; 배수관
120; 세정유닛
121; 급수분기관
122; 배수분기관
123; 순환유로
124; 세정조
125; 순환펌프
126; 냉각부
127; 세정액공급부
130; 제어부110; The heat exchanger main body
111; Process fluid flow
112; Cooling water flow path
113; Feeder
114; discharge pipe
115; feed pipe
116; drain
120; Cleaning unit
121; Water supply branch
122; Drainage branch
123; Circulating flow path
124; Washing machine
125; Circulation pump
126; Cooling section
127; The cleaning liquid supply portion
130; The control unit

Claims (5)

공정유체가 유동하는 공정유체유로와, 상기 공정유체와 열교환하는 냉각수가 유동하는 냉각수유로와, 상기 공정유체유로에 공정유체를 공급하고 배출하는 공급관 및 배출관과, 상기 냉각수유로에 냉각수를 공급하고 배출하는 급수관 및 배수관과, 상기 급수관 및 상기 배수관에 각각 설치된 급수밸브 및 배수밸브를 가지는 열교환기 본체; 및,
상기 급수관 및 상기 배수관으로부터 각각 분기된 급수분기관 및 배수분기관과, 상기 급수분기관과 상기 배수분기관을 상호 연결하는 순환유로와, 상기 순환유로내에 배치되어 순환냉각수를 저장하는 세정조와, 상기 순환유로를 통해 순환냉각수를 순환시키는 순환펌프와, 순환중인 상기 순환냉각수를 냉각시키는 냉각부와, 상기 급수분기관 및 상기 배수분기관에 각각 설치된 분기급수밸브 및 분기배수밸브를 갖는 세정유닛;을 포함하고,
사용자 입력부와,
상기 세정조의 수위를 검출하는 수위센서와,
상기 배출관을 통해 배출되는 공정유체의 온도를 검출하는 공정유체온도센서와,
상기 사용자 입력부를 통해 세정명령이 입력되면, 상기 배수밸브를 차단하고, 상기 분기배수밸브를 개방하여 상기 냉각수가 순환유로로 공급되게 하며, 상기 수위센서로부터의 신호에 기초하여 순환냉각수가 소정의 세정수위에 도달하였을 때 상기 순환펌프를 가동시킨 후 상기 분기급수밸브를 개방하여 순환냉각수가 상기 냉각수유로와 상기 순환유로를 순환되게 하고, 상기 공정유체온도센서의 신호에 기초하여 공정유체가 미리 설정된 온도로 냉각되었을 때 상기 급수밸브를 차단하여 순환냉각수만 순환되도록 제어하는 제어부를 더 포함하는 세정기능을 갖는 열교환기.
A process fluid flow path through which the process fluid flows, a cooling water flow path through which the cooling water that exchanges heat with the process fluid flows, a supply pipe and a discharge pipe for supplying and discharging the process fluid to and from the process fluid flow path, And a water supply valve and a drain valve provided in the water supply pipe and the water discharge pipe, respectively; And
A water supply pipe and a water discharge pipe branching from the water supply pipe and the water discharge pipe, a circulation flow path connecting the water supply pipe and the water discharge pipe, a cleaning tank arranged in the circulation flow passage for storing the circulation cooling water, A cooling unit for cooling the circulating cooling water in circulation; and a cleaning unit having a branch water supply valve and a branch drain valve provided respectively in the water supply branch pipe and the drain pipe, and a circulation pump for circulating the circulation cooling water through the circulation channel, Including,
A user input unit,
A water level sensor for detecting the water level of the washing tank;
A process fluid temperature sensor for detecting a temperature of the process fluid discharged through the discharge pipe,
Wherein when the cleaning command is inputted through the user input unit, the drain valve is shut off, the branch drain valve is opened to supply the cooling water to the circulation channel, and the circulating cooling water is subjected to predetermined cleaning When the water level reaches a predetermined level, the circulation pump is operated and then the branch water supply valve is opened to circulate the circulating cooling water through the cooling water flow path and the circulation flow path, and based on the signal of the process fluid temperature sensor, Further comprising a control unit for shutting off the water supply valve and controlling only the circulating cooling water to circulate.
삭제delete 청구항 1에 있어서,
상기 순환냉각수의 온도를 검출하는 순환수온도센서를 더 포함하며,
상기 제어부는 상기 순환냉각수의 온도가 소정의 상한온도를 벗어났을 때 상기 냉각부가 작동하도록 제어하는 것을 특징으로 하는 세정기능을 갖는 열교환기.
The method according to claim 1,
And a circulating water temperature sensor for detecting the temperature of the circulating cooling water,
Wherein the control unit controls the cooling unit to operate when the temperature of the circulating cooling water is out of a predetermined upper limit temperature.
청구항 1에 있어서,
상기 세정조에 세정액을 공급하는 세정액공급부를 더 포함하며,
상기 제어부는 상기 급수밸브가 차단되었을 때 상기 세정액공급부에서 세정액이 상기 세정조에 공급되도록 제어하는 것을 특징으로 하는 세정기능을 갖는 열교환기.
The method according to claim 1,
Further comprising a cleaning liquid supply unit for supplying a cleaning liquid to the cleaning tank,
Wherein the control unit controls the cleaning liquid supply unit to supply the cleaning liquid to the cleaning tank when the water supply valve is shut off.
청구항 4에 있어서,
상기 순환냉각수의 탁도를 측정하는 탁도센서를 더 포함하며,
상기 제어부는 상기 순환냉각수의 탁도가 설정된 범위 내이면 상기 급수밸브와 상기 배수밸브를 개방하고, 상기 분기급수밸브와 상기 분기배수밸브를 차단하여 상기 냉각수가 순환유로를 통해 순환되지 않게 하며, 상기 순환펌프 및 상기 세정액공급부의 작동이 정지되도록 제어하는 것을 특징으로 하는 세정기능을 갖는 열교환기.





The method of claim 4,
Further comprising a turbidity sensor for measuring the turbidity of the circulating cooling water,
Wherein the control unit opens the water supply valve and the drain valve when the turbidity of the circulating cooling water is within a set range, blocks the branch water supply valve and the branch drain valve to prevent the cooling water from circulating through the circulation channel, And the pump and the cleaning liquid supply unit are stopped.





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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108571915A (en) * 2018-04-27 2018-09-25 张家港韶液液压技术有限公司 The on-line automatic back purge system of water cooler
CN108716874A (en) * 2018-05-18 2018-10-30 襄阳华虹高科新材料有限公司 A kind of plate changes Self-cleaning system and its control system
CN110398164A (en) * 2019-06-27 2019-11-01 中国船舶重工集团公司第七一九研究所 A kind of heat exchanger
CN112128884A (en) * 2020-10-20 2020-12-25 珠海格力电器股份有限公司 Cleaning device and cleaning method for air conditioning unit, air conditioning system and storage medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108571915A (en) * 2018-04-27 2018-09-25 张家港韶液液压技术有限公司 The on-line automatic back purge system of water cooler
CN108716874A (en) * 2018-05-18 2018-10-30 襄阳华虹高科新材料有限公司 A kind of plate changes Self-cleaning system and its control system
CN110398164A (en) * 2019-06-27 2019-11-01 中国船舶重工集团公司第七一九研究所 A kind of heat exchanger
CN112128884A (en) * 2020-10-20 2020-12-25 珠海格力电器股份有限公司 Cleaning device and cleaning method for air conditioning unit, air conditioning system and storage medium

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