KR100843628B1 - A hot water heating device using a wasted heat - Google Patents

A hot water heating device using a wasted heat Download PDF

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KR100843628B1
KR100843628B1 KR1020070047638A KR20070047638A KR100843628B1 KR 100843628 B1 KR100843628 B1 KR 100843628B1 KR 1020070047638 A KR1020070047638 A KR 1020070047638A KR 20070047638 A KR20070047638 A KR 20070047638A KR 100843628 B1 KR100843628 B1 KR 100843628B1
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South Korea
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hot water
pipe
water
heat
cooling
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KR1020070047638A
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Korean (ko)
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이기주
김병호
최세화
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이기주
김병호
최세화
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/06—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being radiated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12—Hot water central heating systems using heat pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

An apparatus of heating water using waste heat is provided to maintain hot water tank in a desired temperature by using waste heat of coolant as heat exchange medium. An apparatus of heating water using waste heat comprises a heat exchange pipe(21), a hot water circulation pipe(22) and a heat exchanger(23). The heat exchange pipe is installed on a coolant pipe(16) before coolant is introduced to a cooling tower(14), in which the coolant carries heat of condensation obtained by passing through a water-cooled air conditioning system, so as to change flow of coolant. The hot water circulation pipe circulates hot water through pumping force. The heat exchanger is installed between the heat exchange pipe and the hot water circulation pipe.

Description

폐열을 이용한 온수가열장치{A hot water heating device using a wasted heat}Hot water heating device using waste heat {A hot water heating device using a wasted heat}

도 1은 본 발명에 따른 폐열을 이용한 온수가열장치가 적용된 시스템도.1 is a system diagram applied hot water heating apparatus using waste heat according to the present invention.

***도면의 주요부분에 대한 부호의 설명****** Explanation of symbols for main parts of drawing ***

10: 수냉식 공조시스템, 12: 공조기,10: water-cooled air conditioning system, 12: air conditioner,

14: 냉각탑, 16: 냉각수 배관,14: cooling tower, 16: cooling water piping,

V1 ~ V6: 방향제어밸브, 21: 열교환 배관,V1 ~ V6: direction control valve, 21: heat exchange pipe,

22: 온수 순환 배관, 23: 열교환기,22: hot water circulation piping, 23: heat exchanger,

24: 온수 출수 배관, 25: 보충수 배관,24: hot water outlet piping, 25: supplemental water piping,

26: 제어부, 30: 온수 시스템,26: control unit, 30: hot water system,

32: 온수탱크, 33: 주 배관,32: hot water tank, 33: main pipe,

본 발명은 폐열을 이용한 온수가열장치에 관한 것으로, 특히 대형 건물에 적 용되는 공조시설의 수냉식 냉각사이클에서 발생되는 냉각수의 폐열을 온수배관의 열교환 매체로 활용하여 별도의 온수 가열 없이 여름철 온수탱크의 적정온도를 유지하도록 하는 폐열을 이용한 온수가열장치에 관한 것이다.The present invention relates to a hot water heating apparatus using waste heat, and in particular, by utilizing the waste heat of the cooling water generated in the water-cooled cooling cycle of the air conditioning facility applied to a large building as a heat exchange medium of the hot water pipe, It relates to a hot water heating device using waste heat to maintain the proper temperature.

일반적인 수냉식 공조시스템은 공기에 의해서 냉매의 응축이 수행되는 공냉식 방식에 비해 효율이 높고, 실내기 측에 소음이 낮아지는 장점이 있다. 또한, 수냉식 공조시스템이 대형 빌딩에 적용되는 경우에는 공기배관 또는 냉매배관이 바깥으로 드러나지 아니하여 빌딩 외관이 아름답게 되고, 유지보수가 편리해지며, 기밀의 냉매배관이 요구되지 않기 때문에 안정성이 높아지는 장점을 얻을 수 있다. In general, the water-cooled air conditioning system has a high efficiency compared to the air-cooled method in which the refrigerant is condensed by air, and has an advantage of lowering noise on the indoor unit. In addition, when the water-cooled air conditioning system is applied to a large building, the air pipe or the refrigerant pipe is not exposed to the outside to make the building beautiful, easy to maintain, and the airtight refrigerant pipe is not required. You can get it.

한편, 최근 대도시에는 경쟁적으로 대형 마천루가 들어서고 있고, 이러한 마천루는 안정상의 문제와 고층의 풍속 문제 등으로 인하여 각 층마다 개방형의 창문을 만들 수 없다. 그러므로, 이와 같은 대형 빌딩에는 중앙집중형의 냉난방이 수행되는 것이 일반적이다. On the other hand, large cities have recently entered large skyscrapers competitively, and such skyscrapers cannot create open windows on each floor due to stability problems and high wind speed problems. Therefore, it is common to perform centralized heating and cooling in such a large building.

중앙집중형 냉난방을 위한 수냉식 공조 시스템은 실내기와 실외기가 각각 배치되는데, 상기 실외기는 빌딩의 옥상에 설치되어 고온이 냉각수를 냉각시키는 냉각탑의 형태를 취하고 있고, 상기 실내기는 빌딩의 각 층에 설치되어 상기 실외기에서 냉각된 차가운 냉각수가 공급되어 냉매를 응축시키는 작용이 수행된다. 그리고 실내기에서 데워진 냉각수는 다시 실외기로 순환되어 냉각되는 하나의 사이클을 이룬다.In the water-cooled air conditioning system for centralized air conditioning, the indoor unit and the outdoor unit are respectively disposed, and the outdoor unit is installed on the roof of the building, and the high temperature cools the cooling water. The indoor unit is installed on each floor of the building. Cooling water cooled in the outdoor unit is supplied to condense the refrigerant. The coolant warmed in the indoor unit forms a cycle in which the coolant is circulated to the outdoor unit and cooled.

이와 같이 응축시 발생되는 열을 냉각하기 위한 냉각수는 그 양에 따라서 응축열량이 좌우되는 특징이 있기 때문에 적정량의 공급이 필요하며, 적정공급량에 의한 열교환 후 냉각수는 냉각탑으로 가기 전 43℃가 가장 효율이 크다. As the cooling water for cooling the heat generated during condensation is characterized by the amount of heat of condensation depending on the amount, it is necessary to supply an appropriate amount, and after the heat exchange by the appropriate supply amount, the cooling water is 43 ℃ most efficient before going to the cooling tower. This is big.

이러한 냉각수는 냉각탑을 거치면서 거의 상온과 근접하게 쿨링되는데, 쿨링 전 냉각수의 가열온도(43℃)는 사람이 뜨겁다는 느낌을 갖는 온도이기 때문에 이 폐열을 그냥 버리기에 너무 아까울 뿐만 아니라 여름철에도 지속적인 온수공급이 필요한 병원, 호텔, 수영장, 사우나 등에는 온수가열을 위한 보일러 가동시 발생되는 연료비, 유지관리비 등이 요구되는 문제점이 있다. This cooling water is cooled to near room temperature as it passes through the cooling tower. The heating temperature (43 ℃) of the cooling water before cooling is not only too wasteful to throw away the waste heat, but also continuous hot water in summer. Hospitals, hotels, swimming pools, saunas, etc., which require a supply, have a problem in that fuel costs, maintenance costs, etc., generated when a boiler is operated for hot water heating are required.

따라서, 본 발명은 상기의 문제점을 해결하기 위해 창출된 것으로서 그 목적은, 대형 건물에 적용되는 공조시설의 수냉식 냉각사이클에서 발생되는 냉각수의 폐열을 온수배관의 열교환 매체로 활용하여 별도의 온수 가열 없이 여름철 온수탱크의 적정온도를 유지하여 보일러의 연료비 및 유지관리비 등을 현저하게 절감하도록 하는 폐열을 이용한 온수가열장치를 제공함에 있다. Therefore, the present invention was created to solve the above problems, the purpose of which, by utilizing the waste heat of the cooling water generated in the water-cooled cooling cycle of the air conditioning facility applied to a large building as a heat exchange medium of the hot water pipe without a separate hot water heating It is to provide a hot water heating device using waste heat to maintain a proper temperature of the hot water tank in summer to significantly reduce the fuel cost and maintenance cost of the boiler.

상기 목적을 달성하기 위한 본 발명은, The present invention for achieving the above object,

수냉식 공조시스템에서 발생되는 냉각수의 폐열을 온수시스템과 연계하여 적정온도 이하의 온수탱크의 물을 가온하기 위한 열매체로 이용하도록 구성함에 있어서, In the configuration that the waste heat of the cooling water generated in the water-cooled air conditioning system is used as a heat medium for heating the water of the hot water tank below the proper temperature in connection with the hot water system,

수냉식 공조시스템을 거쳐 응축열을 포함한 냉각수가 냉각탑으로 진입하기 전의 냉각수 배관 상에 바이패스 방향으로 설치되어 밸브의 방향제어에 의해 냉각수의 흐름을 바꾸도록 하는 열교환 배관과;A heat exchange pipe installed in the bypass direction on the cooling water pipe before the cooling water including the condensation heat enters the cooling tower via the water cooling air conditioning system to change the flow of the cooling water by controlling the direction of the valve;

상기 온수탱크으로부터의 온수를 펌핑력에 의해 순환시키는 온수 순환 배관과; A hot water circulation pipe configured to circulate hot water from the hot water tank by a pumping force;

상기 열교환 배관과 온수 순환 배관의 사이에 설치되어 상기 온수 순환 배관을 통해 순환하는 온수를 냉각수의 폐열에 의해 가온시키는 열교환기를 포함하여 구성된 특징을 갖는다. And a heat exchanger installed between the heat exchange pipe and the hot water circulation pipe to warm the hot water circulated through the hot water circulation pipe by waste heat of the cooling water.

또한, 본 발명의 목적을 달성하기 위한 본 발명은, In addition, the present invention for achieving the object of the present invention,

상기 온수 순환 배관에 각각 온수시스템의 주 배관에 연결되도록 온수 출수 배관과 보충수 배관을 각각 연결 설치하고, 그 연결지점에 제어신호에 의해 흐름방향을 전환시킬 수 있는 밸브를 각각 설치하되, 온수 순환 배관 흐름, 온수 출수 배관 흐름, 보충수 배관 흐름을 조건에 따라 제어하는 제어부를 더 포함하는 구성의 특징을 갖는다. The hot water outlet pipe and the supplemental water pipe are respectively connected to and installed in the hot water circulation pipe so as to be connected to the main pipe of the hot water system, and at each of the connection points, valves for switching the flow direction by the control signal are installed. And a control unit for controlling the piping flow, the hot water outlet pipe flow, and the supplemental water pipe flow according to the conditions.

이하 본 발명을 첨부한 도면에 의거하여 보다 상세하게 설명하면 다음과 같다. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

첨부도면 도 1은 본 발명에 따른 폐열을 이용한 온수가열장치가 적용된 시스템도이다. 1 is a system diagram to which a hot water heating device using waste heat according to the present invention is applied.

본 발명 구성의 핵심은 여름철 수냉식 공조시스템(10)의 작동중에 발생되는 응축열을 포함하고 있는 냉각수를 온수시스템(30)에서 온수탱크(32)에 저장된 온수가 시간이 경과함에 따라 떨어지는 온도를 감지하여 상기 냉각수를 온수 가온매체 로 활용하도록 하기 위함이다. The core of the configuration of the present invention is to detect the temperature of the hot water stored in the hot water tank 32 in the hot water system 30 in the cooling water containing the condensation heat generated during the operation of the water-cooled air-conditioning system 10 in the summer over time This is to use the cooling water as a warm water heating medium.

즉, 수냉식 공조시스템(10)에서 냉매의 압축, 응축, 팽창, 증발 등 일련의 냉각사이클을 거치면서 외기의 온도를 빼앗아 냉각시키고, 냉매의 응축과정에서 고온의 열이 발생하게 되는 한편, 냉각수 배관(16)을 따라 순환하는 냉각수에 의해 열을 빼앗아 냉각탑(14)에서의 쿨링과정을 거쳐 재순환하게 된다. 이 때 응축열을 빼앗아 냉각탑(14)으로 가기 전의 냉각수 온도는 약 43℃이다. That is, in the water-cooled air-conditioning system 10, a series of cooling cycles, such as compression, condensation, expansion, and evaporation of the refrigerant, take away the temperature of the outside air and cool it, and high temperature heat is generated during the condensation of the refrigerant. Heat is taken away by the cooling water circulating along (16) and recycled through the cooling process in the cooling tower (14). At this time, the cooling water temperature before taking away the heat of condensation and going to the cooling tower 14 is about 43 degreeC.

본 발명에서는 상기와 같이 응축열을 빼앗아 냉각탑(14)으로 가기 전의 냉각수 배관(16) 상에 별도의 바이패스 형태의 열교환 배관(21)을 설치한다. 상기 열교환 배관(21)이 분기 접설되는 각각의 위치에는 냉각수 배관(16)의 흐름과 열교환 배관(21)의 흐름을 선택 제어하는 방향제어밸브(V1)(V2)가 설치된다. In the present invention, a separate bypass heat exchange pipe 21 is installed on the cooling water pipe 16 before the condensation heat is taken out to the cooling tower 14 as described above. Directional control valves V1 and V2 for selectively controlling the flow of the cooling water pipe 16 and the flow of the heat exchange pipe 21 are installed at respective positions where the heat exchange pipe 21 is branched.

한편, 온수시스템(30)의 온수탱크(32)로부터 순환펌프(22a)의 펌핑력에 의해 온수를 순환시키기 위한 온수 순환 배관(22)이 설치되고, 상기 온수 순환 배관(22)에는 순환하는 온수의 온도를 측정하여 후술되는 제어부(26)에 그 측정값을 보내도록 하는 온도 게이지(22b)가 설치된다. On the other hand, the hot water circulation pipe 22 for circulating the hot water by the pumping force of the circulation pump 22a from the hot water tank 32 of the hot water system 30 is installed, the hot water circulation pipe 22 is circulated hot water The temperature gauge 22b which measures the temperature of and sends the measured value to the control part 26 mentioned later is provided.

또한, 온수시스템(30)의 온수탱크(32)는 그 탱크내에 일정한 수위로 저장된 온수가 주 배관(33)의 냉수와 혼합되어 적정한 온도의 혼합수가 욕탕으로 공급되도록 온수 순환 배관(22)의 초입에 주 배관(33)과 연결되는 온수 출수 배관(24)이 설치되고, 상기 온수 출수 배관(24)과의 연결지점에 각각 온수의 흐름을 전환하는 방향제어밸브(V3)(V4)가 설치된다. In addition, the hot water tank 32 of the hot water system 30 is introduced into the hot water circulation pipe 22 so that hot water stored at a constant water level in the tank is mixed with cold water of the main pipe 33 so that the mixed water of an appropriate temperature is supplied to the bath. The hot water outlet pipe 24 connected to the main pipe 33 is installed, and the direction control valves V3 and V4 for switching the flow of hot water are respectively installed at the connection points with the hot water outlet pipe 24. .

또한, 상기 온수 출수 배관(24)의 통과 후의 온수 출수 배관(24)의 임의 지 점과 상기 온수 출수 배관(24)의 통과 전의 주 배관(33)의 임의 지점에 상기 주 배관(33)을 통한 냉수를 온수탱크(32)에 공급하기 위해 보충수 배관(25)이 설치되고, 그 배관의 각 연결지점에 냉수의 유입흐름을 제어하는 방향제어밸브(V5)(V6)가 설치된다. Further, the main pipe 33 is connected to an arbitrary point of the hot water discharge pipe 24 after the hot water discharge pipe 24 passes and the main pipe 33 before the hot water discharge pipe 24 passes. A supplemental water pipe 25 is installed to supply cold water to the hot water tank 32, and directional control valves V5 and V6 are installed at each connection point of the pipe to control the flow of cold water.

또한, 본 발명에서는 상기 밸브(V1~V6) 및 순환펌프(22a)의 동작을 제어할 뿐만 아니라 수냉식 공조시스템(10)과 온수시스템(30)의 제어회로와 연계하여 작동되도록 구성된다. 일례로 온수시스템(30)의 온수탱크(32)에는 도면에는 도시되지 않은 만수위와 저수위를 감지하는 센서가 설치되는데, 상기 저수위 감지센서의 감지신호에 의해 보충수 배관(25)을 통해 온수탱크(32)로 주 배관(33)의 냉수가 들어올 수 있도록 밸브(V5)(V6)가 열리도록 한다. In addition, the present invention is configured not only to control the operation of the valve (V1 ~ V6) and the circulation pump (22a) but also operate in conjunction with the control circuit of the water-cooled air conditioning system 10 and the hot water system (30). For example, the hot water tank 32 of the hot water system 30 is provided with a sensor for detecting a high and low water level, not shown in the figure, the hot water tank (25) through the supplemental water pipe 25 by the detection signal of the low water level sensor 32), the valves V5 and V6 are opened to allow the cold water of the main pipe 33 to enter.

본 발명에서의 제어부(26)의 역할은 온수 순환 배관(22)에 설치된 온도게이지(22b)의 측정값을 설정값과 비교하여 측정값이 설정값 보다 작을 때 수냉식 공조시스템(10)의 냉각수가 냉각수 배관(16)을 타고 바로 냉각탑(14)으로 순환되지 않고 열교환 배관(21)으로 바이패스되어 열교환기(23)를 거쳐 냉각탑으로 순환할 수 있도록 밸브(V1)(V2)의 작동을 제어하고, The role of the control unit 26 in the present invention is to compare the measured value of the temperature gauge 22b installed in the hot water circulation pipe 22 with the set value, the coolant of the water-cooled air conditioning system 10 when the measured value is smaller than the set value. The operation of the valves V1 and V2 is controlled so that the cooling water pipe 16 is bypassed directly to the cooling tower 14 and bypassed to the heat exchange pipe 21 to circulate through the heat exchanger 23 to the cooling tower. ,

또한, 온수 순환 배관(22)의 온수의 순환력을 제공하는 순환펌프(22a)의 전원을 제어하며, In addition, to control the power of the circulation pump 22a that provides the circulation force of the hot water of the hot water circulation pipe 22,

온수탱크(32)의 온수를 온수 출수 배관(24)을 통해 욕탕으로 보내기 위해 밸브(V3)(V4)의 흐름을 제어하고, 특히 V4밸브는 온수 출수 배관(24)을 통한 온수와 주 배관(33)을 통한 냉수가 서로 혼합하여 목욕하기 적합한 온도가 되기 위한 믹싱 밸브라고도 한다. To control the flow of the valve (V3) (V4) in order to send the hot water of the hot water tank (32) to the bath through the hot water outlet pipe (24), in particular V4 valve is the hot water and the main pipe ( Cold water through 33) is also known as a mixing valve to achieve a temperature suitable for mixing and bathing each other.

상기와 같이 구성된 본 발명의 작동상태를 설명하면 다음과 같다. Referring to the operating state of the present invention configured as described above are as follows.

여름철 수냉식 공조시스템(10)의 작동은 냉각사이클에 의해 냉매가 압축, 응축, 팽창, 증발과정을 거치면서 공조기(12)를 통한 시원한 냉기를 얻을 수 있다. The operation of the summer water-cooled air conditioning system 10 may obtain cool cool air through the air conditioner 12 while the refrigerant undergoes compression, condensation, expansion, and evaporation by a cooling cycle.

또한, 냉매의 응축시 발생되는 열은 냉각수 배관(16)을 거쳐 순환하는 냉각수는 냉매의 응축열을 빼앗아 약 43℃로 데워져 냉각탑(14)으로 가 쿨링된다. In addition, the heat generated during the condensation of the refrigerant is cooled by the cooling water circulated through the cooling water pipe 16 to take away the condensation heat of the refrigerant, and warmed to about 43 ° C. to be cooled to the cooling tower 14.

한편, 온수탱크(32)의 온수는 수영장이나 호텔 등 공공시설에서 지속적으로 필요하기 때문에 보일러(도시안됨)의 작동이 요구된다.On the other hand, since the hot water of the hot water tank 32 is constantly needed in public facilities such as swimming pools or hotels, the operation of a boiler (not shown) is required.

그러나 본 발명에서는 이러한 지속적인 보일러 작동이 필요없다. 즉 냉각수의 순환중에 빼앗은 응축열을 이용하여 온수의 가열매체로 이용할 수 있기 때문이다. However, the present invention does not require such continuous boiler operation. That is because it can be used as a heating medium for hot water by using the heat of condensation taken during the circulation of the cooling water.

보다 상세하게는 최초에 보일러에 의해 가열된 온수탱크(32)의 온수는 시간이 경과함에 따라 온도가 떨어지게 된다. 이러한 상황은 온수 순환 배관(22)에 설치된 온도게이지(22b)의 실온값과 미리 설정된 비교값과 비교하는 제어부(26)에서 판단하여 비교값보다 떨어지는 경우 밸브(V1)(V2)를 작동시켜 냉각수가 열교환 배관(21)으로의 흐름이 되어 열교환기(23)를 거쳐 순환되도록 하고, 또한 순환펌프(22a)를 작동시켜 온수가 온수 순환 배관(22)을 타고 열교환기(23)를 거쳐 냉각수의 열을 빼앗아 온수탱크(32)로 순환하면서 열을 보충받아 원하는 온도값이 될 때까지 지속적으로 순환한다. In more detail, the hot water of the hot water tank 32 initially heated by the boiler has a temperature drop as time passes. This situation is determined by the control unit 26 that compares the room temperature value of the temperature gauge 22b installed in the hot water circulation pipe 22 with the preset comparison value, and operates the valve V1 and V2 when it is lower than the comparison value. Is flowed into the heat exchange pipe 21 to be circulated through the heat exchanger 23, and the circulation pump 22a is operated so that hot water flows through the hot water circulation pipe 22 and passes through the heat exchanger 23 to cool the water. Takes the heat and circulates in the hot water tank 32 to continually circulate until the desired temperature value is supplemented with heat.

물론, 온수가 제어부(26)에 설정된 비교값과 같거나 높게 될 경우 밸 브(V1)(V2)를 열교환 배관(21)으로 들어오는 흐름을 차단하고, 순환펌프(22a)의 전원을 오프하여 온수의 순환을 차단한다. Of course, when the hot water is equal to or higher than the comparison value set in the control unit 26, the flow of the valve (V1) (V2) into the heat exchange pipe 21 is blocked, and the power of the circulation pump 22a is turned off To block circulation.

욕탕으로 가는 온수의 출수(온수 출수 배관)과 온수의 공급(보충수 배관)과 이에 대한 밸브(V3)(V4)(V5)(V6)의 작동과 제어부(26)의 역할에 대해서는 구성의 설명에서 언급하였음으로 이에 대한 작동설명은 생략하기로 한다.Description of configuration regarding the operation of the valves V3, V4, V5, V6, and the operation of the valves V3, V4, V5, and V6, and the supply of hot water to the bath (hot water discharge pipe) and the supply of hot water (supplement water pipe). As mentioned in the description of the operation will be omitted.

이상에서와 같은 본 발명을 적용하게 되면, 무더운 여름철 건축물에서 주로 이용되는 수냉식 공조시스템에서 폐열로 버려지는 냉각수의 응축열을, 온수가 여름철에도 지속적으로 필요한 병원, 사우나, 수영장, 호텔 등에서 보충열로 활용하여 온수가열을 위한 보일러의 사용을 현저하게 줄일 수 있기 때문에 연료비의 절감이 두드러질 뿐만 아니라 오염물질 배출을 최소화할 수 있는 장점이 있다. When applying the present invention as described above, the condensation heat of the cooling water discarded as waste heat in the water-cooled air conditioning system mainly used in hot summer buildings, as a supplemental heat in hospitals, saunas, swimming pools, hotels, etc. Since the use of the boiler for hot water heating can be significantly reduced, the fuel cost is remarkable and the pollutants can be minimized.

이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변경 및 변경이 가능하다는 것이 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, changes, and modifications are possible in the technical field of the present invention without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

Claims (2)

수냉식 공조시스템(10)에서 발생되는 냉각수의 폐열을 온수시스템(30)과 연계하여 적정온도 이하의 온수탱크(32)의 물을 가온하기 위한 열매체로 이용하도록 구성함에 있어서, In the configuration that the waste heat of the cooling water generated in the water-cooled air conditioning system 10 is used as a heat medium for warming the water of the hot water tank 32 below the proper temperature in connection with the hot water system 30, 수냉식 공조시스템(10)을 거쳐 응축열을 포함한 냉각수가 냉각탑(14)으로 진입하기 전의 냉각수 배관(16) 상에 바이패스 방향으로 설치되어 밸브(V1)(V2)의 방향제어에 의해 냉각수의 흐름을 바꾸도록 하는 열교환 배관(21)과;The cooling water flow is installed in the bypass direction on the cooling water pipe 16 before the cooling water including the condensation heat enters the cooling tower 14 through the water cooling air conditioning system 10 to control the flow of the cooling water by controlling the direction of the valves V1 and V2. A heat exchange pipe 21 for changing; 상기 온수탱크(32)으로부터의 온수를 펌핑력에 의해 순환시키는 온수 순환 배관(22)과; A hot water circulation pipe 22 for circulating hot water from the hot water tank 32 by a pumping force; 상기 열교환 배관(21)과 온수 순환 배관(22)의 사이에 설치되어 상기 온수 순환 배관(22)을 통해 순환하는 온수를 냉각수의 폐열에 의해 가온시키는 열교환기(23);를 포함하여 구성됨을 특징으로 하는 폐열을 이용한 온수가열장치.And a heat exchanger (23) installed between the heat exchange pipe (21) and the hot water circulation pipe (22) to warm the hot water circulating through the hot water circulation pipe (22) by the waste heat of the cooling water. Hot water heater using waste heat. 청구항 1에 있어서, 상기 온수 순환 배관(22)에 각각 온수시스템(30)의 주배관(33)에 연결되도록 온수 출수 배관(24)과 보충수 배관(25)을 각각 연결 설치하고, 그 연결지점에 제어신호에 의해 흐름방향을 전환시킬 수 있는 밸브(V3)(V4)(V5)(V6)를 각각 설치하되, 온수 순환 배관 흐름, 온수 출수 배관 흐름, 보충수 배관 흐름을 조건에 따라 제어하는 제어부(26)를 더 포함함을 특징으로 하는 폐열을 이용한 온수가열장치.The hot water outlet pipe 24 and the supplemental water pipe 25 are respectively connected to and installed at the connection points of the hot water circulation pipe 22 so as to be connected to the main pipe 33 of the hot water system 30, respectively. Control valves (V3, V4, V5, V6) that can switch the flow direction by the control signal, respectively, and controls the hot water circulation pipe flow, hot water outlet pipe flow, supplement water pipe flow according to the conditions Hot water heating apparatus using waste heat, characterized in that it further comprises (26).
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