KR200304447Y1 - A very efficient thermo-annexation generator using the regenerative heat exchanger - Google Patents
A very efficient thermo-annexation generator using the regenerative heat exchanger Download PDFInfo
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- KR200304447Y1 KR200304447Y1 KR20-2002-0033498U KR20020033498U KR200304447Y1 KR 200304447 Y1 KR200304447 Y1 KR 200304447Y1 KR 20020033498 U KR20020033498 U KR 20020033498U KR 200304447 Y1 KR200304447 Y1 KR 200304447Y1
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- 230000001172 regenerating effect Effects 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005338 heat storage Methods 0.000 claims abstract description 27
- 238000005485 electric heating Methods 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 61
- 239000002826 coolant Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- 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
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
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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
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- 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]
Landscapes
- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
본 고안은 열병합 발전장치에 관한 것으로서, 더욱 상세하게는 공동주택이나 상가 등의 건물에 사용되는 열병합 발전장치의 가스엔진식 발전기의 평균 가동율을 80% 이상으로 지속적으로 유지하여 가스엔진식 발전기에 공급되는 연료의 상대적 연료소모량을 절감시키기 위한 것으로 발전된 전력의 사용량이 극히 적은 심야시간대에도 발전된 전력을 지소적으로 사용할 수 있는 축열식 전기난방장치를 구비하여 공동주택이나 상가 등의 건물의 난방 및 급탕에 이용함으로써 별도의 중앙난방장치를 구비하지 않고도 공동주택의 난방이 효율적으로 이루어짐과 동시에 가스엔진식 발전기의 가동율이 증가하여 가동율 대비 상대적 연료소비량이 크게 절감되도록 되어 있는 것을 특징으로 하는 축열식 전기 열교환 난방장치를 이용한 고효율 열병합 발전장치에 관한 것이다.The present invention relates to a cogeneration device, and more specifically, to maintain the average operating rate of the gas engine generator of the cogeneration system used in buildings, such as apartment houses or shopping malls to 80% or more to supply to the gas engine generator It is to reduce the relative fuel consumption of the fuel, which is used for heating and hot water supply of buildings such as apartment houses and shopping centers by equipping the heat storage type electric heating device that can use the generated electricity locally even in the late-night hours when the amount of generated power is extremely low. The heat storage type electric heat exchanger heating device is characterized in that the heating of the apartment house is efficiently performed without the need for a separate central heating system and the operation rate of the gas engine generator is increased to significantly reduce the relative fuel consumption compared to the operation rate. High efficiency cogeneration plant Relate to.
Description
본 고안은 열병합 발전장치에 관한 것으로서, 더욱 상세하게는 공동주택이나상가 등에 사용되는 열병합 발전장치의 가스엔진식 발전기의 평균 가동율을 80% 이상으로 지속적으로 유지하여 엔진효율을 높임으로써 가스엔진식 발전기에 공급되는 연료의 상대적 연료소모량을 절감시킴과 동시에 축열식 전기난방장치와 가스엔진식 발전기의 가열된 냉각수 및 고온의 배기가스를 열교환기로 열교환하여 건물의 난방 및 급탕이 효율적으로 이루어지도록 되어 있는 것을 특징으로 하는 축열식 전기 열교환 난방장치를 이용한 고효율 열병합 발전장치에 관한 것이다.The present invention relates to a cogeneration device, and more particularly, a gas engine generator by increasing the engine efficiency by continuously maintaining an average operation rate of 80% or more of a gas engine generator of a cogeneration device used in an apartment house or a shopping mall. In addition to reducing the relative fuel consumption of the fuel supplied to the heat exchanger, the building's heating and hot water supply can be efficiently performed by heat-exchanging the heated coolant and the high-temperature exhaust gas of the heat storage electric heating system and the gas engine generator with a heat exchanger. It relates to a high efficiency cogeneration device using a heat storage electric heat exchanger to be.
일반적으로 공동주택이나 상가 등의 건물에 안정적인 전력수급과 발전소 건설에 따른 환경문제를 예방하고 에너지 절약 및 효율적인 이용을 위한 방안으로 소형 가스 열병합 발전장치가 개발되어 사용되고 있다.In general, a small gas cogeneration system has been developed and used as a method for the stable power supply and prevention of environmental problems caused by the construction of power plants in buildings such as multi-family houses and shopping malls, and for energy saving and efficient use.
공동주택이나 상가 등에 설치된 열병합 발전장치는 가스엔진식 발전기를 통해 발전된 전기를 건물내의 각종 자가전기설비에 공급함과 동시에 중앙 난방장치의 보조역할로서 가스엔진식 발전기의 발전시 발생되는 폐열 및 고온의 배기가스를 열교환기로 열교환하여 난방에 이용하는 방식으로 전력 공급과 난방 공급을 동시에 수행하도록 되어 있다.The cogeneration unit installed in apartment houses or shopping malls supplies electricity generated through gas engine generators to various self-electric equipments in the building, and serves as a secondary role of the central heating system, and waste heat and high temperature exhaust generated during the generation of gas engine generators. The gas is heat-exchanged with a heat exchanger to be used for heating, so that the power supply and the heating supply are simultaneously performed.
그러나, 이와 같은 종래의 열병합 발전장치는 전력을 거의 사용하지 않는 심야시간대에는 가스엔진식 발전기의 가동율을 매우 낮게 유지해야만 하고, 이로 인하여 가스엔진식 발전기의 평균 가동율이 30 ~ 40% 정도로 극히 저조한 가동율을 나타내며, 표 1에 나타난 바와 같이 낮은 가동율에서는 가스엔진식 발전기의 가동율이 75% 이상으로 유지될 경우보다 상대적으로 현저히 높은 연료소비량(표1 참조)을 보이게 되어 에너지 자원을 낭비하는 문제점이 발생하였다.However, such a conventional cogeneration device has to keep the operation rate of the gas engine generator very low in the late-night time zone which uses little power, and thus the operation rate of the gas engine generator is extremely low, such as 30 to 40%. As shown in Table 1, at low operating rates, fuel consumption (see Table 1) was shown to be significantly higher than the case where the gas engine generator operating rate was maintained at 75% or more, resulting in a waste of energy resources. .
< 표 1 > 대우중공업제조 GE12TIC 가스엔진식 발전기 모델을 1500rpm과 1800rpm으로 가동시 가동율(%)에 따른 시간당 연료소비량(단위 : N㎥/hr)<Table 1> Fuel consumption per hour according to the operation rate (%) when operating GE12TIC gas engine generator model of Daewoo Heavy Industries at 1500rpm and 1800rpm (Unit: N㎥ / hr)
또한, 가스엔진식 발전기를 사용시 발생되는 폐열과 고온의 배기가스만으로는 난방이 효율적으로 이루어지지 못하여 별도의 중앙 난방장치를 이용하거나 각 세대별 난방장치를 별도로 구비해야 함으로써 난방장치의 추가적인 설치비용과 운용비용 및 에너지 소비가 증가하게 되는 문제점이 있었다.In addition, only the waste heat and high-temperature exhaust gas generated by using gas engine generators do not provide efficient heating, so additional heating and operating costs are required by using separate central heating units or separate heating units for each household. There was a problem that the cost and energy consumption is increased.
본 고안은 이러한 문제점을 해결하기 위한 것으로서 열병합 발전장치의 가스엔진식 발전기의 평균 가동율을 80% 이상으로 유지하여 엔진효율을 높임으로써 가동율 대비 상대적 연료소비량을 절감시킴과 동시에 상기 가스엔진식 발전기를 통해 발전된 심야시간대의 미사용 전력을 전기식 열교환기가 구비된 축열식 전기난방장치를 가동하는데 지속적으로 사용함으로써 공동주택이나 상가 등의 건물에 경제적이고 효율적인 난방 및 급탕이 이루어지도록 하는 것에 그 목적이 있다.The present invention is to solve this problem by maintaining the average operating rate of the gas engine generator of the cogeneration unit to 80% or more to increase the engine efficiency to reduce the relative fuel consumption compared to the operation rate and at the same time through the gas engine generator Its purpose is to make economical and efficient heating and hot water supply to buildings such as multi-family houses and shopping malls by continuously using the unused electric power of the developed late-night time to operate the regenerative electric heating device equipped with an electric heat exchanger.
상기와 같은 목적을 달성하기 위하여 건물 내부의 자가발전설비로서의 가스엔진식 발전기와, 상기 가스엔진식 발전기로부터 발전된 전력을 건물의 전기설비에 공급하는 제 1전력공급로와, 상기 가스엔진식 발전기로부터 발전된 전력을 축열식 전기난방장치에 공급하며 전력공급을 개폐하는 스위치가 설치된 제 2전력공급로와, 상기 제 2전력공급로를 통해 공급된 전력을 이용해 물을 가온시키는 전기식 열교환기와 이 전기식 열교환기를 통해 가온된 온수를 저장하는 축열조와 순환펌프로 구비된 축열식 전기난방장치와, 가스엔진식 발전기에서 발생하는 가열된 냉각수 및 고온의 배기가스를 열교환하는 열교환기로 되어 있는 것에 본 고안의 특징이 있다.In order to achieve the above object, a gas engine generator as a self-generating facility in a building, a first power supply path for supplying electric power generated from the gas engine generator to an electric facility of a building, and the gas engine generator from the gas engine generator. A second power supply path provided with a switch for supplying the generated electric power to the regenerative electric heating device and opening and closing the power supply; and an electric heat exchanger that warms water using the power supplied through the second power supply path. The present invention has a feature of a heat storage type electric heating device provided with a heat storage tank and a circulation pump for storing heated hot water, and a heat exchanger for heat-exchanging heated coolant and high temperature exhaust gas generated from a gas engine generator.
도 1은 본 고안에 따른 고효율 열병합 발전장치의 개략적 구성도1 is a schematic configuration diagram of a high efficiency cogeneration device according to the present invention
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
1. 건물 2. 가스엔진식 발전기1. Building 2. Gas Engine Generator
3. 제 1전력공급로 4. 제 2전력공급로3. First power supply path 4. Second power supply path
5. 축열식 전기난방장치 6. 전기식 열교환기5. Regenerative Electric Heating System 6. Electric Heat Exchanger
7. 축열조 8a, 8b. 열교환기7. Heat storage tanks 8a, 8b. heat transmitter
9. 전열선 10a, 10b, 10c. 순환펌프9. Heating wires 10a, 10b, 10c. Circulation pump
11. 스위치11. Switch
본 고안의 축열식 전기 열교환 난방장치를 이용한 고효율 열병합 발전장치는 공동주택이나 상가 등의 건물에 사용되는 열병합 발전장치의 가스엔진식 발전기의 평균가동율을 80% 이상으로 지속적으로 유지하여 엔진효율을 높여 경제적인 가동을 함으로써 가스엔진식 발전기에 공급되는 상대적 연료소모량을 절감시키기 위한 것으로서, 발전된 전력의 사용량이 극히 적은 심야시간대의 미사용 전력을 지속적으로 사용할 수 있도록 전기식 열교환기가 구비된 축열식 전기난방장치를 설치하여 공동주택이나 상가 등 건물의 난방 및 급탕에 이용함으로써 별도의 중앙난방장치를 가동시키지 않고도 축열식 전기난방장치와 가스엔진식 발전기에서 발생되는 가열된 냉각수 및 고온의 배기가스를 열교환기로 열교환하여 효율적인 난방 및 급탕이 이루어짐과 동시에 가스엔진식 발전기의 평균가동율을 증가시켜 가동율 대비 상대적연료소비량을 크게 절감시키도록 되어 있다.The high efficiency cogeneration system using the heat storage electric heat exchanger heating system of the present invention continuously improves the engine operation efficiency by maintaining the average operating rate of the gas engine generator of the cogeneration system used in buildings such as apartment houses or shopping malls more than 80%. It is designed to reduce the relative fuel consumption of gas engine generators by operating the engine.In addition, by installing a regenerative electric heating device equipped with an electric heat exchanger to continuously use the unused power in the late-night time period when the amount of generated power is extremely low, It is used for heating and hot water supply of buildings such as multi-family houses and shopping centers, and heats the coolant and high-temperature exhaust gas generated from the regenerative electric heating system and the gas engine generator without heat-exchanging. Hot water is made and At the same time, the average operating rate of gas engine generators is increased to significantly reduce the relative fuel consumption compared to the operating rate.
이하 본 고안의 구성을 도면에 따라 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention will be described in detail with reference to the drawings.
도 1에 도시된 바와 같이 축열식 전기 열교환 난방장치를 이용한 고효율 열병합 발전장치는 건물(1) 내부의 자가발전설비로서의 가스엔진식 발전기(2)와, 상기 가스엔진식 발전기(2)로부터 발전된 전력을 건물(1)의 각종 전기설비에 공급하는 제 1전력공급로(3)와, 상기 가스엔진식 발전기(2)로부터 발전된 전력을 축열식 전기난방장치(5)에 공급하며 전력공급을 개폐하는 스위치(11)가 설치된 제 2전력공급로(4)와, 상기 제 2전력공급로(4)를 통해 공급된 전력을 이용해 물을 가온시키는 전기식 열교환기(6)와 이 전기식 열교환기(6)를 통해 얻어진 열에너지를 저장하는 축열조(7)와 순환펌프(10a)(10b)로 구비된 축열식 전기난방장치(5)와, 가스엔진식 발전기(2)에서 발생하는 가열된 냉각수 및 고온의 배기가스를 각각 열교환하는 열교환기(8a)(8b)로 구성되어 있다.As shown in FIG. 1, the high efficiency cogeneration system using the regenerative electric heat exchanger heating apparatus includes a gas engine generator 2 as a self-generating facility inside a building 1, and power generated from the gas engine generator 2. A switch for supplying power generated from the gas engine generator 2 to the heat storage type electric heating device 5 and opening and closing the power supply; 11 is provided with a second power supply path (4), an electric heat exchanger (6) for heating the water by using the power supplied through the second power supply path (4) and through the electric heat exchanger (6) The heat storage type electric heating device (5) provided with the heat storage tank (7) and the circulation pump (10a) (10b) which store the obtained heat energy, and the heated cooling water and the high temperature exhaust gas which are generated by the gas engine generator (2), respectively. It consists of the heat exchangers 8a and 8b which heat-exchange.
가스엔진식 발전기(2)는 가스연료를 공급받아 엔진을 구동시킴으로써 발전을 수행하는 통상의 발전기로서, 발전된 전력을 제 1전력공급로(3)를 통해 건물(1)의 각종 전기설비에 공급하고, 특히 전력의 사용량이 극히 적은 심야시간대의 미사용 전력을 제 2전력공급로(4)를 통해 전기식 열교환기(6)가 구비된 축열식 전기난방장치(5)에 공급하여 가스엔진식 발전기(2)의 평균가동율을 80% 이상으로 유지함으로써 가스엔진식 발전기(2)의 가동율 대비 상대적 연료소모량을 절감하도록 되어 있다.The gas engine generator (2) is a conventional generator for generating electricity by supplying gas fuel and driving an engine. The gas engine generator (2) supplies the generated power to various electrical equipment of the building (1) through the first power supply path (3). In particular, the unused power of the late-night time zone, which uses very little power, is supplied to the heat storage type electric heating device 5 equipped with the electric heat exchanger 6 through the second power supply path 4 to supply a gas engine generator 2. By maintaining the average operating ratio of 80% or more, the relative fuel consumption of the gas engine generator 2 is reduced.
제 1전력공급로(3)는 상기 가스엔진식 발전기(2)에서 발전된 전력을 건물(1)의 각종 전기설비에 공급하는 부분으로서, 외부전원이 가스엔진식 발전기(2)와 연결되도록 되어 있어 비상시 외부전원으로부터 전력을 공급받을 수 있도록 되어 있다.The first power supply path 3 is a part for supplying electric power generated in the gas engine generator 2 to various electrical equipment of the building 1, and an external power source is connected to the gas engine generator 2. In case of emergency, power can be supplied from external power.
제 2전력공급로(4)는 상기 가스엔진식 발전기(2)에서 발전된 전력을 축열식 전기난방장치(5)에 공급하도록 되어 있으며, 특히 전력소모가 극히 적은 심야시간대에도 가스엔진식 발전기(2)를 가동시켜 발생된 전력을 축열식 전기난방장치(5)에 공급함으로써 가스엔진식 발전기(2)의 가동율을 극대화하도록 되어 있다.The second power supply path 4 is configured to supply the electric power generated by the gas engine generator 2 to the heat storage type electric heating device 5, and in particular, the gas engine generator 2 even in a late-night time zone where power consumption is extremely low. By supplying the power generated by the operation to the heat storage electric heating device (5) is to maximize the operation rate of the gas engine generator (2).
스위치(11)는 상기 제 2전력공급로(4)상에 설치되어 있어 건물(1)의 전력소모가 많은 경우 축열식 전기난방장치(5)로의 전력공급을 차단하여 제 1전력공급로(3)로만 가스엔진식 발전기(2)에서 발전된 전력이 공급되도록 조절할 수 있다.The switch 11 is installed on the second power supply path 4, and when the power consumption of the building 1 is large, the switch 11 cuts off the power supply to the heat storage type electric heating device 5, and thus the first power supply path 3 The electric power generated by the roman gas engine generator 2 may be adjusted to be supplied.
축열식 전기난방장치(5)는 제 2전력공급로(4)로부터 공급받은 전력을 지속적으로 사용하여 가스엔진식 발전기(2)의 평균가동율을 80% 이상으로 유지되도록 하는 부분으로서, 전기식 열교환기(6)와 축열조(7)와 순환펌프(10a)(10b)로 되어 있다.The heat storage electric heating device (5) is a part for maintaining the average operating rate of the gas engine generator (2) to 80% or more by continuously using the power supplied from the second power supply path (4), the electric heat exchanger ( 6) and the heat storage tank 7 and the circulation pumps 10a and 10b.
전기식 열교환기(6)는 제 2전력공급로(4)로부터 공급받은 전력을 사용하여 내부에 구비된 전열선(9)을 가열시겨 물을 가온시키도록 되어 있으며, 순환펌프(10a)에 의해 축열조(7)로부터 순환 공급된 물을 일정 온도까지 가온시키도록 되어 있다.The electric heat exchanger (6) heats the heating wire (9) provided therein by using the electric power supplied from the second electric power supply passage (4) to heat the water, and the heat storage tank by the circulation pump (10a). The water circulated and supplied from (7) is heated to a constant temperature.
축열조(7)는 상기 전기식 열교환기(6)에 의해 가온된 온수의 열에너지가 저장되는 부분으로, 순환펌프(10a)에 의해 전기식 열교환기(6)로 공급되어 가열된 온수를 저장한 후 순환펌프(10b)에 의해 건물(1) 내부로 순환 공급되도록 하여 난방 및 급탕이 이루어지도록 되어 있다.The heat storage tank 7 is a portion in which the heat energy of the hot water heated by the electric heat exchanger 6 is stored, and is supplied to the electric heat exchanger 6 by the circulation pump 10a to store the heated hot water, and then the circulation pump. By 10b, it circulates and supplies the inside of the building 1, and heating and hot water supply are performed.
열교환기(8a)는 가스엔진식 발전기(2)의 내부에서 발생되는 열을 냉각시키면서 가온된 고온의 엔진 냉각수와 열교환되어 온수를 발생시키도록 되어 있으며, 열교환기(8b)는 가스엔진식 발전기(2)에서 발생되는 고온의 배기가스와 열교환되면서 온수를 발생시키도록 되어 있다.The heat exchanger 8a is configured to generate hot water by heat exchange with the heated engine coolant while cooling the heat generated in the gas engine generator 2, and the heat exchanger 8b is a gas engine generator ( Heat exchanged with hot exhaust gas generated in 2) generates hot water.
상기 열교환기(8a)(8b)에 의해 열교환된 온수는 순환펌프(10c)에 의해 각각 순환되면서 가온되어 상기 축열식 전기난방장치(5)와 함께 건물(1) 내부의 난방 및 급탕에 사용되도록 되어 있다.The hot water heat-exchanged by the heat exchangers 8a and 8b is circulated by the circulation pump 10c and warmed to be used for heating and hot water supply inside the building 1 together with the regenerative electric heating device 5. have.
본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention is as follows.
가스엔진식 발전기(2)는 공급된 가스연료를 연소시킴으로써 전력과 가열된 냉각수 및 고온의 배기가스를 발생시키며, 발전된 전력은 제 1전력공급로(3)를 통해서 건물(1)의 각종 전기설비에 공급되고, 제 2전력공급로(4)를 통해서는 축열식 전기난방장치(5)로 공급된다.The gas engine generator 2 generates power, heated coolant, and high-temperature exhaust gas by burning the supplied gas fuel, and the generated power is supplied to various electrical equipment of the building 1 through the first power supply path 3. Is supplied to the heat storage type electric heating device (5) through the second power supply passage (4).
축열식 전기난방장치(5)는 전력의 소모가 극히 적은 심야시간대에도 발전된전력을 지속적으로 사용하여 가동됨으로써 가스엔진식 발전기(2)의 평균가동율을 80% 이상으로 유지시키게 되며, 평균가동율의 증가로 인하여 가스엔진식 발전기(2)의 가동율 대비 상대적 연료소모량이 절감된다.The regenerative electric heating device (5) operates continuously using the generated electric power even in the late-night time zone where power consumption is extremely low, thereby maintaining the average operating rate of the gas engine generator (2) to 80% or more, and increasing the average operating rate. Due to this, the relative fuel consumption is reduced compared to the operation rate of the gas engine generator 2.
축열식 전기난방장치(5)로 공급된 전력은 전기식 열교환기(6)를 작동시키며, 상기 전기식 열교환기(6)의 내부에 구비된 전열선(9)이 가열되면서 물을 가온시키고, 이 가온된 온수는 순환펌프(10a)에 의해 축열조(7)로 저장되며, 상기 축열조(7)에 저장된 온수는 순환펌프(10b)에 의해 건물(1) 내부로 순환되어 난방 및 급탕에 사용된다.The electric power supplied to the regenerative electric heating device 5 operates the electric heat exchanger 6, and heats the water while the heating wire 9 provided inside the electric heat exchanger 6 is heated. Is stored in the heat storage tank 7 by the circulation pump 10a, and the hot water stored in the heat storage tank 7 is circulated into the building 1 by the circulation pump 10b and used for heating and hot water supply.
또한, 가스엔진식 발전기(2)의 내부에서 발생되는 열은 가스엔진식 발전기(2)의 내부를 순환하면서 엔진 냉각수에 의해 냉각되고 이 때 가온된 엔진냉각수는 열교환기(8a)에 의해 열교환되어 온수를 발생시키고, 고온의 배기가스는 열교환기(8b)에 의해 열교환되면서 각각 가온된 온수는 순환펌프(10c)에 의해 지속적으로 순환되어 건물(1)내부로 순환되어 난방 및 급탕에 사용된다.In addition, the heat generated inside the gas engine generator 2 is circulated inside the gas engine generator 2 while being cooled by the engine coolant, and the warmed engine coolant is heat-exchanged by the heat exchanger 8a. The hot water is generated, and the hot exhaust gas is heat-exchanged by the heat exchanger 8b, and the warmed hot water is continuously circulated by the circulation pump 10c and circulated inside the building 1 to be used for heating and hot water supply.
건물(1)의 전력소모가 심한 경우에는 스위치(11)를 닫아 제 2전력공급로(4)로 공급되는 전력을 차단하여 제 1전력공급로(3)로만 전력이 공급되도록 조절할 수 있다.When the power consumption of the building 1 is severe, the switch 11 may be closed to cut off the power supplied to the second power supply path 4 so that the power is supplied only to the first power supply path 3.
본 고안에 의하면 열병합 발전장치의 가스엔진식 발전기의 평균가동율을 80% 이상으로 유지할 수 있어 가스엔진식 발전기의 가동율 대비 상대적 연료소비량이절감됨과 동시에 가스엔진식 발전기를 통해 발전된 심야시간대의 전력을 전기식 열교환기가 구비된 축열식 전기난방장치를 가동하는데 사용함으로써 별도의 중앙난방장치를 설치하거나 가동시킬 필요가 없이 축열식 전기난방장치와 가스엔진식 발전기에서 발생되는 가열된 냉각수 및 배기가스를 열교환하여 함께 난방 및 급탕에 이용함으로써 공동주택이나 상가 등의 건물에 경제적이고 효율적인 난방 및 급탕이 이루어지고, 다른 발전설비에 비하여 많은 양의 에너지를 절감할 수 있는 열병합 발전장치의 효율성을 극대화할 수 있는 효과가 있다.According to the present invention, the average operating rate of the gas engine generator of the cogeneration unit can be maintained at 80% or more, thereby reducing the relative fuel consumption compared to the operation rate of the gas engine generator and simultaneously powering the late-night power generated by the gas engine generator. It is used to operate regenerative electric heating device equipped with heat exchanger, so it is not necessary to install or operate a separate central heating device to heat and heat the heated cooling water and exhaust gas generated from the regenerative electric heating device and gas engine generator. By using it for hot water supply, economical and efficient heating and hot water supply is made in buildings such as apartment houses and shopping malls, and it is possible to maximize the efficiency of the cogeneration device that can save a large amount of energy compared to other power generation facilities.
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