KR20070098761A - Hot-water heating system using steam supply and power generation - Google Patents

Hot-water heating system using steam supply and power generation Download PDF

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Publication number
KR20070098761A
KR20070098761A KR1020070033098A KR20070033098A KR20070098761A KR 20070098761 A KR20070098761 A KR 20070098761A KR 1020070033098 A KR1020070033098 A KR 1020070033098A KR 20070033098 A KR20070033098 A KR 20070033098A KR 20070098761 A KR20070098761 A KR 20070098761A
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South Korea
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hot water
heat
building
cogeneration
heating system
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KR1020070033098A
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Korean (ko)
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황성용
황성은
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황성용
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/001—Central heating systems using heat accumulated in storage masses district heating system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • F02G5/04—Profiting from waste heat of exhaust gases in combination with other waste heat from combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/13—Heat from a district heating network
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/60—Planning or developing urban green infrastructure
    • 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]
    • Y02B30/17—District heating
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

A hot water heating system using heat-power generation is provided to save energy by using waste heat of a heat-power generator in supplying of hot water, deicing a road and assisting a heating operation. A hot water heating system using heat-power generation includes a boiler(121) for providing heat into a building(20), a heat-power generator(30) for providing electrical energy to the building, a hot water supplier(120) for supplying hot water into the building by using the waste heat generated from the heat-power generator, and a road deicing unit for deicing a road(132) during winter time by using a part of the waste heat generated from the heat-power generator.

Description

열병합발전을 이용한 온수-난방 시스템{HOT-WATER HEATING SYSTEM USING STEAM SUPPLY AND POWER GENERATION}Hot-heating system using cogeneration power plant {HOT-WATER HEATING SYSTEM USING STEAM SUPPLY AND POWER GENERATION}

도 1은 본 발명에 따른 열병합발전을 이용한 온수-난방 시스템에서 전기를 공급하는 방식을 도시한 개략도, 그리고1 is a schematic diagram showing a method of supplying electricity in a hot water-heating system using a cogeneration according to the present invention, and

도 2는 본 발명에 따른 열병합 발전을 이용한 온수-난방 시스템에서 온수를 공급하고 건물 내부를 난방하는 방식을 도시한 개략도이다.2 is a schematic diagram illustrating a method of supplying hot water and heating the inside of a building in a hot water-heating system using cogeneration according to the present invention.

〈도면의 주요부분에 대한 설명〉<Description of Main Parts of Drawing>

10: 외부전원 20: 건물10: external power source 20: building

30: 열병합발전기 40: 물탱크30: cogeneration machine 40: water tank

130: 온수챔버 131: 주차장130: hot water chamber 131: parking lot

132: 도로 120: 온수기132: road 120: water heater

121: 보일러 122: 난방 열교환기121: boiler 122: heating heat exchanger

본 발명은 건물의 온수-난방 시스템에 관한 것으로서, 특히 열병합 발전시의 폐열을 이용하여 필요한 장소에 온수를 공급하는 열병합 발전을 이용한 온수-난방 시스템에 관한 것이다.The present invention relates to a hot water heating system of a building, and more particularly, to a hot water heating system using cogeneration to supply hot water to a required place by using waste heat during cogeneration.

일반적으로, 아파트, 주상복합, 아파트형 공장 등 대규모 건물의 경우 정전시에도 일정한 전력을 계속 공급하기 위하여 건물 내에 별도의 발전시스템을 사용하여 외부 전원 외에 내부적으로 전력을 생산하여 공급한다. 이러한 발전시스템은 대형 열기관으로서, 전력을 생산하는 과정에서 많은 폐열이 발생하며, 이러한 폐열을 효과적으로 사용하는 것이 에너지의 절약차원에서 필요하다.In general, in the case of large buildings such as apartments, residential complexes and apartment-type factories, power is produced and supplied internally in addition to an external power source by using a separate power generation system in the building in order to continue to supply a constant power even in case of a power failure. Such a power generation system is a large heat engine, and a lot of waste heat is generated in the process of generating electric power, and it is necessary to effectively use such waste heat in order to save energy.

종래에는 이러한 폐열을 이용하여 건물 내의 스팀 난방을 제공하기도 하였다. 그러나, 이러한 열병합발전을 이용한 난방은 각 구역에서 난방 정도를 조절하기가 어려운 문제점이 있다. 또한, 건물 전체의 난방 에너지는 폐열보다 훨씬 많은 에너지를 필요로 하므로 폐열만으로 난방을 실내에 계속 공급할 수 없다. 따라서 효과적으로 필요한 시간에 필요한 정도의 실내 난방을 공급할 수 없는 문제점이 있다.Conventionally, this waste heat is used to provide steam heating in buildings. However, heating using cogeneration is difficult to control the degree of heating in each zone. In addition, since the heating energy of the entire building requires much more energy than the waste heat, the waste heat alone cannot continuously supply heating to the room. Therefore, there is a problem that can not effectively supply the required amount of room heating at the required time.

또한, 개별 보일러를 사용하는 온수 공급 시스템에 있어서는, 사용자가 온수를 사용하기 위하여 개별 보일러가 물을 데우는 동안의 대기 시간이 필요한 문제점이 있다.In addition, in a hot water supply system using an individual boiler, there is a problem that a user needs a waiting time while the individual boiler warms water in order to use hot water.

전술한 바와 같은 제반 문제점을 해결하기 위하여 본 발명은 열병합 발전기의 폐열을 이용하여 온수를 공급하고, 건물 주변의 결빙 구간을 해빙하는데 사용하고, 난방은 건물 내부의 개개의 구역마다 구비된 개별 난방장치를 이용하여 온수와 난방을 효과적으로 수행하는 열병합 발전을 이용한 온수-난방 시스템을 제공하는데 목적이 있다.In order to solve the above-mentioned problems, the present invention is used to supply hot water by using the waste heat of the cogeneration generator, and to thaw the freezing section around the building, and the heating is an individual heating device provided in each area of the building. The purpose is to provide a hot water-heating system using cogeneration to perform hot water and heating effectively.

본 발명의 바람직한 실시예에 따른 온수-난방 시스템은, 건물 내부에 난방을 제공하는 보일러와, 건물에 전기를 공급하는 열병합 발전기와, 상기 열병합 발전기에서 발생된 폐열을 이용하여 건물 내부에 온수를 공급하는 온수기와, 그리고 상기 열병합 발전기의 폐열의 일부를 이용하여 겨울철 도로의 결빙을 해빙하는 도로 해빙부를 포함한다. 상기 열병합 발전기의 폐열의 일부를 이용하여 건물 내부에 고온의 스팀을 제공하는 보조 난방부를 더 포함할 수 있다.Hot water-heating system according to a preferred embodiment of the present invention, a boiler for providing heating in the building, a cogeneration generator for supplying electricity to the building, and supplies the hot water into the building using the waste heat generated in the cogeneration generator Water heater and a road thawing unit for thawing the freezing of the winter road by using a part of the waste heat of the cogeneration generator. It may further include an auxiliary heating unit for providing a high temperature steam in the building using a part of the waste heat of the cogeneration generator.

상기 열병합 발전기의 폐열은 물을 데워 챔버에 열량을 저장하고, 상기 챔버의 온수를 온수기, 도로 해빙부 또는 보조 난방부에 분배하여 공급하는 것이 바람직하다. 상기 챔버의 온수를 공급을 조절하는 밸브수단을 더 포함하는 것이 바람직하다.The waste heat of the cogeneration generator warms water to store heat in the chamber, and distributes and supplies hot water of the chamber to a water heater, a road thawing unit or an auxiliary heating unit. Preferably it further comprises a valve means for regulating the supply of hot water in the chamber.

이하, 도 1 및 도 2를 참조하여 본 발명에 따른 열병합 발전을 이용한 온수-난방 시스템의 일 실시예를 설명한다.Hereinafter, an embodiment of a hot water heating system using cogeneration according to the present invention will be described with reference to FIGS. 1 and 2.

도 1에 도시된 바와 같이, 본 실시예는 건물(20)은 외부에서 전기를 공급하는 외부전원(10)과 연료를 이용하여 연료 에너지를 전기에너지로 변환하여 건물(20)에 전기를 공급하는 발전기(30)를 포함한다. 외부전원(10)은 지역의 변전소, 발전소 등에서 공급되는 전원이다. 발전기(30)는 열병합 발전기로서, 폐열(Q)을 통해 배출되는 열에너지를 열교환을 통해 다른 용도의 에너지로 사용할 수 있다.As shown in FIG. 1, in this embodiment, the building 20 converts fuel energy into electrical energy using an external power source 10 and fuel that supplies electricity from the outside to supply electricity to the building 20. And a generator 30. The external power source 10 is a power source supplied from a local substation or power plant. The generator 30 is a cogeneration generator, and heat energy discharged through the waste heat Q may be used as energy for other purposes through heat exchange.

본 실시예에서, 건물(20)에 공급되는 전기는 외부전원(10)에 의해 30%, 열병 합 발전기(30)에 의해 70%가 공급된다. 이러한 수치는 통상적인 공동주택의 경우, 즉, 건물(20)이 아파트인 경우에 각 가정에 온수를 일정하게 공급하기 위한 열량(Q)을 충분히 확보하기 위한 것이지만, 열병합 발전기의 열교환 성능과 건물의 규모 및 계절에 따라 달라질 수 있다.In this embodiment, the electricity supplied to the building 20 is 30% by the external power source 10, 70% by the cogeneration generator 30. These figures are to ensure sufficient heat (Q) for the constant supply of hot water to each household in the case of a typical multi-family house, that is, if the building 20 is an apartment, but the heat exchange performance of the cogeneration generator and It may vary depending on size and season.

도 2에 도시된 바와 같이, 본 발명에 따른 온수-난방 시스템은 전기를 생성하며, 전기를 생성하면서 배출되는 폐열(Q)을 이용하여 온수를 데우는 열병합발전기(30)를 구비한다. 물탱크(40)에서 공급된 물은 열병합 발전기(30)를 통해 데워지고, 챔버(130)에 저장된다. 도시하지는 않았지만, 챔버(130)에는 밸브수단이 구비되어 온수의 흐름을 분배하고 양을 조절할 수 있다.As shown in FIG. 2, the hot water-heating system according to the present invention includes a cogeneration generator 30 that generates electricity and heats hot water using waste heat Q discharged while generating electricity. The water supplied from the water tank 40 is warmed through the cogeneration generator 30 and stored in the chamber 130. Although not shown, the chamber 130 is provided with a valve means to distribute the flow of hot water and adjust the amount.

온수에 의한 열의 흐름은 Q1 내지 Q5를 이용하여 나타내었다. 건물(20) 내부의 온수기(120)에서 사용할 온수를 공급하기 위한 열량은 Q1이다. 한편, 온수기(120)에서 온수는 간헐적으로 공급되므로, 온수를 다른 곳에 이용할 필요가 있다. 따라서, 온수에 의해 열전달을 하는 열교환부가 추가로 구비된다. 겨울철 건물 주위의 도로가 눈이나 얼음에 의해 얼어붙게 되면, 사람과 차량의 이동이 매우 어렵기 때문에, 본 실시예에서 Q2는 제1 열교환부(131)에 공급되는 열량으로서, 겨울철에 주차장과 노면을 녹이는 열량이다. 이러한 경우, 제1 열교환부(131)는 도로 하부를 관통하도록 설치된 파이프이다.The flow of heat by the warm water is shown using Q 1 to Q 5 . The amount of heat for supplying hot water for use in the water heater 120 inside the building 20 is Q 1 . On the other hand, since hot water is intermittently supplied from the water heater 120, it is necessary to use hot water elsewhere. Therefore, the heat exchange part which carries out heat transfer by hot water is further provided. When the road around the building is frozen by snow or ice in winter, the movement of people and vehicles is very difficult, so in this embodiment, Q 2 is the amount of heat supplied to the first heat exchanger 131. The amount of heat that melts the road surface. In this case, the first heat exchanger 131 is a pipe installed to penetrate the lower part of the road.

한편, 열량 Q3는 제2 열교환부(132)에 공급되는 열량으로서, 건물 내외부의보조 난방 장치에 공급되는 열량이다. 이러한 보조 난방 장치는 관리 사무소 등에 설치된 스팀 장치일 수 있다. 즉, 결빙이 없는 때에는 Q3의 양을 증가시켜 난방 에너지를 절약할 수 있다. 냉각된 물은 Q4 및 Q5형태로 나머지 열을 배출하므로 폐열이 최소화할 수 있다.On the other hand, the heat quantity Q 3 is a heat quantity supplied to the 2nd heat exchange part 132, and is a heat quantity supplied to the auxiliary heating apparatus inside and outside of a building. Such auxiliary heating device may be a steam device installed in a management office or the like. That is, when there is no freezing, the amount of Q 3 can be increased to save heating energy. Cooled water releases the rest of the heat in the form of Q 4 and Q 5 , minimizing waste heat.

이러한 물의 흐름은 챔버(130)의 밸브수단(도시하지 않음)을 조절하여 제어될 수 있는데, 건물의 관리자에 의해 조절되거나, 자동 제어 될 수 있다. This water flow can be controlled by adjusting the valve means (not shown) of the chamber 130, it can be controlled by the manager of the building, or can be automatically controlled.

건물(20)의 난방은 난방열을 공급하는 개별적인 보일러(121)를 이용하여 수행된다. 도면에서 난방 대상(122)은 하나만 표시되어 있지만, 공동 주택 및 대형 건물은 난방 대상(122)이 다수이며, 이에 따라 적절하게 다수의 보일러(121)가 구비된다. 예를 들면, 아파트의 경우 각 세대가 난방대상(122)이며, 각 세대 마다 난방용 개별 보일러(121)가 설치된다.Heating of the building 20 is carried out using an individual boiler 121 that supplies heating heat. Although only one heating object 122 is shown in the drawing, the apartments and large buildings have a plurality of heating objects 122, and accordingly, a plurality of boilers 121 are appropriately provided. For example, in the case of an apartment, each household is a heating target 122, and a separate boiler 121 for heating is installed in each household.

이하, 상기와 같이 구성된 본 발명의 작용효과를 설명한다.Hereinafter, the effect of the present invention configured as described above will be described.

본 발명에 따르면, 건물(20)의 전기를 열병합 발전기(30)를 통해 계속적으로 공급하기 때문에 폐열(Q)이 계속적으로 발생한다. 따라서, 일정량의 온수를 계속적으로 공급할 수 있다. 또한, 건물 내부의 온수기(120)는 간헐적으로 사용되므로, 제1 열교환부(131) 및 제2 열교환부(132)에 온수를 공급함으로서, 폐열을 더욱 효과적으로 사용할 수 있다. 보일러(120)는 난방을 위해서만 사용되므로, 보일러의 난방-온수를 위한 에너지를 절약할 수 있다. 상기 온수기는 공동 주택 또는 대형 건물에서는 다수 설치된다.According to the present invention, since the electricity of the building 20 is continuously supplied through the cogeneration generator 30, the waste heat Q is continuously generated. Therefore, a certain amount of hot water can be continuously supplied. In addition, since the water heater 120 inside the building is used intermittently, by supplying hot water to the first heat exchanger 131 and the second heat exchanger 132, it is possible to use waste heat more effectively. Since the boiler 120 is used only for heating, it is possible to save energy for heating-hot water of the boiler. The water heater is installed in a large number of apartments or large buildings.

또한, 겨울철에 건물 주위의 노면이 결빙되는 경우 도로 하부에 온수를 통과 시켜 도로를 해빙할 수 있으므로, 건물 주위의 사람과 차량의 소통이 원활하게 이루어질 수 있게 한다.In addition, when the road surface around the building is frozen in winter, the hot water can be passed through the lower part of the road to thaw the road, so that the communication between people and vehicles around the building can be made smoothly.

이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것은 아니고 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능하다는 것이 본 발명이 속하는 분야에서 통상의 지식을 가진 자에게 있어서 명백할 것이다.The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the field of the present invention that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.

전술한 바와 같이, 본 발명에 따르면, 열병합 발전기의 폐열을 온수 공급, 도로 해빙, 보조 난방 등에 사용할 수 있으므로 난방-온수 공급을 위한 에너지를 절약할 수 있는 효과가 있다.As described above, according to the present invention, since the waste heat of the cogeneration generator can be used for hot water supply, road thawing, auxiliary heating, etc., there is an effect of saving energy for heating-hot water supply.

Claims (4)

건물 내부에 난방을 제공하는 보일러와,A boiler that provides heating inside the building, 건물에 전기를 공급하는 열병합 발전기와,A cogeneration generator that supplies electricity to the building, 상기 열병합 발전기에서 발생된 폐열을 이용하여 건물 내부에 온수를 공급하는 온수기와, 그리고A water heater for supplying hot water into a building using waste heat generated by the cogeneration generator, and 상기 열병합 발전기의 폐열의 일부를 이용하여 겨울철 도로의 결빙을 해빙하는 도로 해빙부A road thawing unit that thaws freezing roads in winter by using part of the waste heat of the cogeneration generator 를 포함하는 열병합발전을 이용한 온수-난방 시스템.Hot water-heating system using cogeneration. 제1항에 있어서,The method of claim 1, 상기 열병합 발전기의 폐열의 일부를 이용하여 건물 내부에 고온의 스팀을 제공하는 보조 난방부를 더 포함하는 열병합 발전을 이용한 온수-난방 시스템.Hot water-heating system using a combined heat and power generation further comprising an auxiliary heating unit for providing a high-temperature steam inside the building using a portion of the waste heat of the cogeneration generator. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 열병합 발전기의 폐열은 물을 데워 챔버에 열량을 저장하고,Waste heat of the cogeneration generator warms the water to store heat in the chamber, 상기 챔버의 온수를 온수기, 도로 해빙부 또는 보조 난방부에 분배하여 공급하는Distributing and supplying hot water of the chamber to a water heater, a road thawing unit or an auxiliary heating unit 열병합 발전을 이용한 온수-난방 시스템.Hot water-heating system using cogeneration. 제3항에 있어서,The method of claim 3, 상기 챔버의 온수를 공급을 조절하는 밸브수단을 더 포함하는 Further comprising a valve means for controlling the supply of hot water of the chamber 열병합 발전을 이용한 온수-난방 시스템.Hot water-heating system using cogeneration.
KR1020070033098A 2006-03-31 2007-03-30 Hot-water heating system using steam supply and power generation KR20070098761A (en)

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