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KR101299519B1 - The hot water exclusive use terrestrial heat complex system - Google Patents

The hot water exclusive use terrestrial heat complex system Download PDF

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KR101299519B1
KR101299519B1 KR1020080030532A KR20080030532A KR101299519B1 KR 101299519 B1 KR101299519 B1 KR 101299519B1 KR 1020080030532 A KR1020080030532 A KR 1020080030532A KR 20080030532 A KR20080030532 A KR 20080030532A KR 101299519 B1 KR101299519 B1 KR 101299519B1
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hot water
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water supply
underground
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KR20090105213A (en
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김동진
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김동진
주식회사 피닉스건설
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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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

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Abstract

본 발명은 지하 깊은 곳으로부터 지열을 회수하여 이 지열을 통해 급탕탱크 내부의 급탕수를 가열해주며, 보조 보일러를 설치하여 급탕 사용량이 많게 되면 보조 보일러를 가동시켜 급탕열원을 공급하게 됨으로 연료 소모량을 최소화하여 에너지를 절감할 수 있도록 한 급탕전용 지열 복합시스템에 관한 것이다.The present invention recovers the geothermal heat from the deep underground and heats the hot water in the hot water tank through the geothermal heat, and when the hot water usage is increased by installing an auxiliary boiler, the auxiliary boiler is operated to supply the hot water supply source to reduce fuel consumption. The present invention relates to a geothermal complex system for hot water supply, which minimizes energy saving.

이를 위하여 본 발명은 전원을 공급받아 냉매를 냉동사이클을 통해 순환시키는 히트펌프(1)와, 지중열이송관(21)을 통해 지하로부터 지중열을 포함한 물을 순환시키는 지중열교환기(2)와, 일측이 히트펌프(1)의 증발기(14)와 열교환하도록 히트펌프(1)에 연결된 냉수관(31)의 타측과 지중열이송관(21)을 열교환시켜 지중열이송관(21) 내부의 물로부터 지중열을 회수하는 지중열회수열교환기(3)와, 하부 일측에는 새로운 물이 공급되는 급수구(41)가 설치되고 상단부에는 급수구(41)를 통해 새로운 물이 공급되면 그 압력에 의해 급탕수를 배출할 수 있도록 급탕공급관(42)이 연결된 폐쇄된 형상의 급탕탱크(4)와, 일단부는 급탕탱크(4)의 하부에 연결되고 타단부는 급탕탱크(4)의 하부에 연결되며 급탕탱크(4) 연결부위 반대측은 히트펌프(1)의 응축기(12)와 열교환하도록 히트펌프(1)에 연결되어 응축기(12)로부터 열을 회수하여 급탕수를 가열해주는 급탕가열관(5)으로 형성되어진다.To this end, the present invention is a heat pump (1) for circulating water through the ground heat transfer pipe (21), underground heat transfer pipe (21) through the underground heat transfer pipe (21) and the power supplied to the power supply; The other side of the cold water pipe 31 connected to the heat pump 1 and the underground heat transfer pipe 21 are heat-exchanged so that one side exchanges heat with the evaporator 14 of the heat pump 1. Underground heat recovery heat exchanger (3) for recovering the ground heat from the water, and the lower side is provided with a water inlet 41 for supplying new water, the upper end of the new water is supplied through the water supply port 41 by the pressure The hot water supply tank 4 of the closed shape is connected to the hot water supply pipe 42 to discharge the hot water, one end is connected to the lower portion of the hot water tank (4) and the other end is connected to the lower portion of the hot water tank (4) The other side of the hot water tank (4) connection part exchanges heat with the condenser (12) of the heat pump (1). Is connected to the rock heat pump (1) recovering heat from the condenser 12 to be formed in a hot water heating pipe (5) which heat the hot water.

또한, 상기 급탕가열관(5)에 보조 보일러(6)가 급탕열원을 열교환시켜 급탕탱크(4)로 순환시킬 수 있도록 열순환관(61)으로 연결 설치되어짐을 특징으로 한다.In addition, the auxiliary boiler 6 to the hot water heating tube 5 is characterized in that it is connected to the heat circulation tube 61 so as to circulate the hot water supply heat source to circulate to the hot water tank (4).

히트펌프, 지중열교환기, 급탕탱크, 보조 보일러, 급탕가열관 Heat pump, underground heat exchanger, hot water tank, auxiliary boiler, hot water heating tube

Description

급탕전용 지열 복합시스템{The hot water exclusive use terrestrial heat complex system}The hot water exclusive use terrestrial heat complex system}

본 발명은 보조 보일러가 설치되어지는 급탕전용 지열 복합시스템에 관한 것으로서, 보다 상세하게는 지하 깊은 곳으로부터 지열을 회수하여 이 지열을 통해 급탕탱크 내부의 급탕수를 가열해주며, 보조 보일러를 설치하여 급탕 사용량이 많게 되면 보조 보일러를 가동시켜 급탕열원을 공급하게 됨으로 연료 소모량을 최소화하여 에너지를 절감할 수 있도록 한 급탕전용 지열 복합시스템에 관한 것이다.The present invention relates to a geothermal complex system for hot water supply in which an auxiliary boiler is installed, and more particularly, recovers geothermal heat from a deep underground and heats the hot water in the hot water tank through the geothermal heat, and installs an auxiliary boiler. When hot water usage increases, it is related with geothermal complex system for hot water supply, which can save energy by minimizing fuel consumption by supplying hot water supply source by operating auxiliary boiler.

주지하다시피, 아파트와 같은 공동주택에는 큰 크기의 중온수보일러를 통해 물을 가열하여 이를 각 세대별로 공급해주는 중앙난방 시스템과, 각 세대별로 각각 개별보일러가 설치되어 이를 통해 각 세대별로 개별적인 난방을 하는 개별난방 시스템의 2가지 방식 중 어느 하나의 방식이 적용되어 난방 및 급탕기능을 수행하고 있는 실정이다.As is well known, apartment houses such as apartments have a central heating system that heats water through a large-sized hot water boiler and supplies it to each household, and individual boilers are installed for each household to provide individual heating for each household. It is a situation that one of the two methods of the individual heating system is applied to perform the heating and hot water supply function.

이 중 중앙난방 시스템은 모든 세대별로 동일한 온도를 갖는 물을 공급해주게 됨으로 관리가 용이한 이점은 있으나, 사람마다 취향이 다르고 자신이 원하는 시간에 난방을 할 수 있는 단점이 있어 개별난방 시스템을 더 선호하는 경향이 있 다.Among them, central heating system provides water with the same temperature for all households, but it is easy to manage, but individual heating system is preferred because each person has different tastes and has the disadvantage of being able to heat at their own time. Tend to.

그러나, 이러한 개별난방 시스템의 경우 급탕만 필요하고 난방은 필요없는 하절기와 같은 계절에도 급탕을 구현하기 위해서는 개별보일러를 가동해야만 함으로 연료 소모가 많은 단점이 있다.However, in the case of such individual heating system, only hot water supply is required and heating is not necessary, so in order to implement hot water supply in the summer season, the individual boiler must be operated, which consumes much fuel.

이러한 단점을 감안하여 종래의 개별난방 통합시스템은 본 출원인이 선출원한 특허등록 제778686호의 "지열회수를 통한 급탕수 공급 시스템"으로 출원한 바 있으며, 이의 시스템은 지중으로부터 지열을 회수하여 이를 히트펌프의 증발기측 냉매관과 열교환기에서 열교환하도록 하고, 급탕수가 채워지는 급탕탱크와 히트펌프의 응축기 및 급탕탱크 순으로 급탕수가 순환되도록 급탕가열관을 연결하여 급탕탱크 내부의 물을 히트펌프의 응축기로부터 발생되는 열에 의해 가열해주도록 하며, 급탕탱크와 연결된 급탕공급관은 각 세대별 개별보일러의 급탕용 급수측에 연결하면서 급탕공급관으로부터 분지된 분지관은 개별보일러로부터 인출된 급탕관에 연결하며, 급탕공급관, 분지관, 급탕관에는 각각 단속밸브를 구비함으로써 기본적으로 개별보일러를 사용하면서 계절에 맞게 단속밸브를 개폐하여 급탕탱크에서 예열된 급탕수가 직접 수도밸브로 배출되게 하거나, 개별보일러로 유입되도록 한다.In consideration of these shortcomings, the conventional individual heating integrated system has been filed as a "hot water supply system through geothermal recovery" of Patent Registration No. 778686 filed by the applicant, and the system recovers ground heat from the ground and heat pumps it. The heat exchanger in the evaporator side of the refrigerant pipe and the heat exchanger, and the hot water tank is connected to the hot water tank filled with the hot water, condenser of the heat pump and the hot water tank so that the hot water is circulated in order from the hot water tank to the water from the condenser of the heat pump The hot water supply pipe connected to the hot water tank is connected to the hot water supply side of each boiler for each generation, while the branch pipe branched from the hot water supply pipe is connected to the hot water pipe drawn from the individual boiler. Each boiler, basin pipe, and hot water pipe are equipped with an intermittent valve, During operation, open and close the intermittent valve according to the season so that the preheated hot water from the hot water tank is discharged directly to the water valve or flows into the individual boiler.

그러나, 상기와 같은 종래의 개별난방 시스템은 동절기와 같은 고온의 급탕을 필요로 할 때에는 히트펌프의 가동시간 및 열원을 최대로 하여야 함으로 과부하가 발생되어지는 문제와 함께 급탕효율이 떨어지게 되며, 에너지가 과다하게 소요되어지는 문제가 있다.However, the conventional individual heating system as described above has to maximize the operating time and the heat source of the heat pump when a high temperature hot water supply, such as winter, so that the hot water supply efficiency and the hot water supply efficiency is reduced, energy is reduced There is a problem that it takes too much.

또한, 종래에는 급탕탱크와 개별보일러간에 급탕가열관 및 급탕관, 급탕공급 관 등의 연결배관이 다수 연결되어 있으므로 설비가 복잡하고 정비 설비비용이 과다하게 소요되어지는 문제가 있다.In addition, in the related art, since a plurality of connecting pipes such as a hot water heating tube, a hot water pipe, a hot water supply pipe, and the like are connected between the hot water tank and the individual boiler, there is a problem in that the facilities are complicated and the maintenance equipment cost is excessively required.

따라서, 본 발명은 상기한 문제를 해결하기 위하여 안출한 것으로 히트펌프의 가동시간을 최대로 하고, 급탕 사용량이 순간적으로 많을 경우 보조 보일러가 가동되어 초대 열원 부하를 감당하도록 하여 기기의 안정을 기하게 되며, 정비 설비 비용을 최소화하여 신재생에너지로 대체할 수 있음과 함께 에너지를 절감할 수 있도록 한 급탕전용 지열 복합시스템을 제공하고자 하는 데 그 목적이 있다.Therefore, the present invention has been devised to solve the above problems to maximize the operating time of the heat pump, and when the hot water consumption is momentarily high, the auxiliary boiler is operated to cover the primary heat source load to stabilize the apparatus. The purpose is to provide a geothermal complex system for hot water supply, which can be replaced with renewable energy by minimizing the cost of maintenance facilities and saving energy.

상기한 목적을 달성하기 위한 본 발명은 히트펌프와 급탕탱크에 연결되어지는 급탕가열관에 보조 보일러가 연결관으로 연결 설치되어지거나, 또는 보조 보일러는 1차 급탕탱크와 2차 급탕탱크 사이에 연결되어짐을 특징으로 하는 급탕전용 지열 복합시스템을 제공함에 있는 것이다.In order to achieve the above object, the present invention is provided with an auxiliary boiler connected to a hot water heating pipe connected to a heat pump and a hot water tank, or an auxiliary boiler is connected between a primary hot water tank and a secondary hot water tank. It is to provide a geothermal complex system for hot water supply characterized in that the.

이와 같이 본 발명은 지중열에 의해 급탕을 공급하게 되는 히트펌프와 함께 보조 보일러를 설치함으로 피크 타임(peak time)에 보조 보일러를 가동시켜 급탕열원을 공급하게 되어 히트펌프의 과부하를 방지할 수 있음은 물론 에너지 효율은 극대화하면서 연료 소비는 최소화하는 효과가 있다.As described above, the present invention is to install the auxiliary boiler with the heat pump to supply the hot water supply by the geothermal heat to operate the auxiliary boiler at the peak time to supply the hot water supply source to prevent the overload of the heat pump. Of course, it maximizes energy efficiency while minimizing fuel consumption.

이하, 첨부된 도면을 참조하여 본 발명의 일실시 예를 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 지열 복합시스템을 도시한 개략 구성도이다.1 is a schematic configuration diagram showing a geothermal complex system according to the present invention.

본 발명에 따른 급탕전용 지열 복합시스템은 전원을 공급받아 냉매를 냉동사이클을 통해 순환시키는 히트펌프(1)와, 지중열이송관(21)을 통해 지하로부터 지중열을 포함한 물을 순환시키는 지중열교환기(2)와, 일측이 히트펌프(1)의 증발기(14)와 열교환하도록 히트펌프(1)에 연결된 냉수관(31)의 타측과 지중열이송관(21)을 열교환시켜 지중열이송관(21) 내부의 물로부터 지중열을 회수하는 지중열회수열교환기(3)와, 하부 일측에는 새로운 물이 공급되는 급수구(41)가 설치되고 상단부에는 급수구(41)를 통해 새로운 물이 공급되면 그 압력에 의해 급탕수를 배출할 수 있도록 급탕공급관(42)이 연결된 폐쇄된 형상의 급탕탱크(4)와, 일단부는 급탕탱크(4)의 하부에 연결되고 타단부는 급탕탱크(4)의 하부에 연결되며 급탕탱크(4) 연결부위 반대측은 히트펌프(1)의 응축기(12)와 열교환하도록 히트펌프(1)에 연결되어 응축기(12)로부터 열을 회수하여 급탕수를 가열해주는 급탕가열관(5)으로 형성되어진다.The geothermal complex system for hot water supply according to the present invention is a ground heat exchange to circulate water including underground heat from the ground through the heat pump (1) and the ground heat transfer pipe (21) to receive the power and circulate the refrigerant through the refrigeration cycle The ground heat transfer pipe by heat-exchanging the other side of the cold water pipe 31 connected to the heat pump 1 and the underground heat transfer pipe 21 so that one side 2 exchanges heat with the evaporator 14 of the heat pump 1. (21) A ground heat recovery heat exchanger (3) for recovering underground heat from the water inside, and a water supply port 41 for supplying fresh water is installed at one lower side thereof, and new water is supplied through a water supply hole 41 at the upper end thereof. When the hot water supply tank 42 is connected to the hot water supply tank 42 is connected to the closed shape of the hot water supply tank 4, one end is connected to the lower portion of the hot water supply tank 4, the other end of the hot water supply tank (4) Is connected to the lower part of the hot water tank (4) and the opposite side of the heat pump (1) Both axial and connected to the heat pump (1) 12 and the heat exchange are formed in a hot water heating condenser tube 5, which heat the hot water to recover heat from 12.

또한, 본 발명에 따른 지열 복합시스템은 첨부된 도면 도 2에 도시된 바와 같이 상기 급탕가열관(5)에 보조 보일러(6)가 급탕열원을 열교환시켜 급탕탱크(4)로 순환시킬 수 있도록 열순환관(61)으로 연결 설치되어진다.In addition, the geothermal composite system according to the present invention is heat so that the auxiliary boiler 6 heats the hot water supply heat source to the hot water supply tank 4 as shown in FIG. 2 attached to the hot water heating tube 5. It is connected to the circulation pipe (61).

상기 히트펌프(1)는 전원을 공급받아 냉매를 냉수관(31)에 연결된 증발기(14)가 냉수관(31)으로부터 열을 흡수하여 액체 냉매가 기체 냉매로 변화되어 증발기(14)와 연결된 압축기(11)로 보내지며, 상기 압축기(11)에서 기체 냉매를 압축하여 압축기(11)와 연결된 응축기(12)로 보내지고, 상기 응축기(12)에서는 기체 냉 매를 액체 냉매로 변화되면서 발생된 열은 급탕열원으로 보내고 변화된 액체 냉매는 응축기(12)와 연결된 팽창밸브(13)를 통과하여 팽창밸브(13)와 연결된 증발기(14)로 다시 보내지게 되는 냉동사이클을 통해 순환시키게 되는 것이다.The heat pump 1 receives power and an evaporator 14 connected to a refrigerant to the cold water pipe 31 absorbs heat from the cold water pipe 31 so that the liquid refrigerant is converted into a gaseous refrigerant so that the compressor is connected to the evaporator 14. (11), the compressor 11 compresses the gas refrigerant to be sent to the condenser (12) connected to the compressor (11), in the condenser (12) heat generated by changing the gas refrigerant into a liquid refrigerant And the changed liquid refrigerant is circulated through the refrigerating cycle, which is sent to the evaporator 14 connected to the expansion valve 13 through the expansion valve 13 connected to the condenser 12.

상기 지중열교환기(2)는 지하 30 ~ 50m까지 직립되게 세우지는 식립관(22)과, 식립관(22)의 단부로부터 지하 400 ~ 450m까지 뚫리는 지중열회수공간(23)과, 일단부는 식립관(22)을 통해 지중열회수공간(23)의 아래쪽까지 삽입되고 타단부는 지중열회수열교환기(3)를 거쳐 식립관(22)의 상부에 위치된 지중열이송관(21)과, 지중열이송관(21)의 식립관(22) 내부위치 일측에 연결되어 지중열회수공간(23)에 있는 물을 펌핑해주는 워터펌프(24)로 형성되어진다.The underground heat exchanger (2) is an implantation pipe (22), which is erected upright to 30 to 50m underground, an underground heat recovery space (23) that is drilled from the end of the implantation pipe (22) to 400 to 450m underground, and one end is an implantation pipe The underground heat transfer pipe 21 and the ground heat are inserted into the bottom of the ground heat recovery space 23 through the 22 and the other end is located at the upper portion of the implantation pipe 22 via the ground heat recovery heat exchanger 3. It is formed of a water pump 24 connected to one side of the insertion pipe 22 of the feed pipe 21 to pump water in the underground heat recovery space 23.

또한, 본 발명에 따른 지열 복합시스템의 다른 일 예를 살펴보면, 첨부된 도면 도 3에서와 같이 상기 히트펌프(1)에 1차 급탕탱크(4a)가 급탕가열관(5)으로 연결되어지며, 상기 1차 급탕탱크(4a)에 연결관(7)으로 2차 급탕탱크(4b)가 연결되어지고, 상기 1차 급탕탱크(4a)와 2차 급탕탱크(4b) 사이에 열순환관(61)으로 보조 보일러(6)가 연결 설치되어진다.In addition, referring to another example of the geothermal complex system according to the present invention, the first hot water supply tank 4a is connected to the heat pump 1 as the hot water heating tube 5, as shown in FIG. A secondary hot water tank 4b is connected to the primary hot water tank 4a by a connecting pipe 7, and a heat circulation pipe 61 is connected between the primary hot water tank 4a and the secondary hot water tank 4b. Auxiliary boiler 6 is connected.

본 발명에 따른 지열 복합시스템의 또 다른 일 예를 살펴보면, 첨부된 도면 도 4에서와 같이 상기 2차 급탕탱크(4b)에 열순환관(61)으로 보조 보일러(6)가 연결 설치되어진다.Looking at another example of the geothermal composite system according to the present invention, the auxiliary boiler 6 is connected to the secondary hot water tank (4b) as a heat circulation pipe (61) is installed as shown in FIG.

이때, 상기 지열 복합시스템과는 별도로 각 세대별로 개별난방을 공급하게 되는 개별보일러(도시하지 않음)가 설치되어짐이 바람직한 것이다.At this time, it is preferable that a separate boiler (not shown) is provided to supply individual heating for each household separately from the geothermal complex system.

상기와 같은 구성으로 이루어진 본 발명의 작용효과를 살펴보면 아래와 같 다.Looking at the effect of the present invention made of a configuration as described above are as follows.

본 발명은 지하 400 ~ 450m에 위치하고 있는 따뜻한 물로부터 지중열을 회수하여 히트펌프(1)를 통해 급탕수를 가열하고, 가열된 급탕수를 급탕탱크(4)를 거쳐 각 세대에 공급하게 되는 것이다.The present invention is to recover the ground heat from the warm water located 400 ~ 450m underground to heat the hot water supply through the heat pump (1), and to supply the heated hot water supply to each generation through the hot water supply tank (4) .

이와 같이 급탕수를 각 세대에 공급하기 위해서는 먼저 전원을 공급하여 히트펌프(1)를 가동함과 동시에 지중열교환기(2)의 워터펌프(24)를 구동하게 되면 지중열이송관(21)을 통해 지하 400 ~ 450m에 있는 15 ~ 20℃의 따뜻한 물이 상승하여 지중열회수열교환기(3) 측으로 이송되며, 지중열회수열교환기(3)에서는 냉수가 유동하는 냉수관(31)과 지중열을 포함한 따뜻한 물이 유동하는 지중열이송관(21)이 열교환하도록 형성되어 있으므로 지중열이송관(21) 내부로 유동하는 지중열을 포함한 따뜻한 물은 냉수관(31)의 냉수와 열교환하는 과정에서 온도를 빼앗겨 차가워진 상태로 다시 식립관(22)의 상부로 배출되고, 냉수관(31) 내부를 유동하는 냉수는 지중열을 포함한 물로부터 열을 빼앗아 온도가 상승된 상태로 히트펌프(1)의 증발기(14)측으로 유동되어지는 것이다.In order to supply the hot water supply to each generation as described above, when the heat pump 1 is supplied with power and the water pump 24 of the underground heat exchanger 2 is driven, the underground heat transfer pipe 21 is operated. The warm water of 15 ~ 20 ℃ in the underground 400 ~ 450m rises and is transferred to the underground heat recovery heat exchanger (3) side, the underground heat recovery heat exchanger (3), including the cold water pipe (31) and underground heat through which cold water flows Since the geothermal heat transfer pipe 21 in which warm water flows is formed to exchange heat, the warm water including the geothermal heat flowing into the geothermal heat transfer pipe 21 increases the temperature during the heat exchange process with the cold water in the cold water pipe 31. The evaporator of the heat pump 1 in a state where the temperature of the cold water flowing out from the water including the geothermal heat is exhausted and discharged to the upper portion of the insertion pipe 22 again in the cold state being taken away. To flow to the (14) side .

이때, 상기 식립관(22) 상부로 다시 차가워진 상태의 물이 유입되더라도 식립관(22)의 수위는 항상 일정하게 유지되며, 이러한 차가워진 상태의 물은 다른 따뜻한 물과 희석되어 다시 온도가 따뜻해지고, 또한 펌핑이 지하 400 ~ 450m에서 이루어지게 됨으로 지중열이송관(21)을 통해 이송되는 물은 항상 온도가 일정하게 되는 것이다.At this time, even if the water in the cold state is introduced into the upper part of the insertion tube 22, the level of the insertion tube 22 is always maintained constant, the water of the cold state is diluted with other warm water and the temperature is warm again In addition, since the pumping is made in the basement 400 ~ 450m underground water transported through the underground heat transfer pipe 21 is always a constant temperature.

그리고 상기 히트펌프(1)의 증발기(14)에서는 그 냉매관 내부의 냉매가 냉수 관(31) 내부의 냉수로부터 열기를 빼앗아 증발될 수 있고, 냉수관(31)의 냉수는 다시 차가워진 상태로 지중열회수열교환기(3) 측으로 유동하게 되며, 이러한 과정을 반복하게 되는 것이다.In the evaporator 14 of the heat pump 1, the refrigerant inside the refrigerant pipe may evaporate heat from the cold water inside the cold water pipe 31, and the cold water in the cold water pipe 31 is cooled again. It will flow to the ground heat recovery heat exchanger (3), and this process is repeated.

이와 함께 상기 히트펌프(1)의 증발기(14)에서 온도를 빼앗아 증발된 냉매는 이후 압축기(11)를 거쳐 고온고압의 상태로 압축되어 응축기(12)로 들어가게 되고, 응축기(12)에서는 그 냉매관 내부의 고온고압 상태의 냉매가 급탕가열관(5) 내부의 급탕수와 열교환하는 과정에서 온도가 내려간 상태로 팽창밸브(13)를 거쳐 증발기(14)로 순환하는 과정을 반복하게 되고, 상기 급탕가열관(5)의 급탕수는 냉매로부터 온도를 빼앗아 다시 급탕탱크(4) 내부에 채워진 물은 지속적으로 열기가 축적되어 뜨겁게 가열되는 것이다.At the same time, the refrigerant evaporated by taking the temperature from the evaporator 14 of the heat pump 1 is then compressed into a state of high temperature and high pressure through the compressor 11 to enter the condenser 12, and the refrigerant from the condenser 12 The refrigerant in the high temperature and high pressure state inside the pipe is circulated to the evaporator 14 through the expansion valve 13 while the temperature is lowered in the process of heat exchange with the hot water in the hot water heating tube 5, The hot water supply of the hot water heating tube 5 takes the temperature from the refrigerant, and the water filled in the hot water tank 4 is continuously accumulated and heat is heated.

이와 같이 상기 급탕탱크(4) 내부에서 지속적으로 예열된 급탕수는 급수구(41)를 통해 물이 공급됨과 동시에 그 압력에 의해 급탕탱크(4) 상단부에 연결된 급탕공급관(42)을 통해 이동되면서 각 세대에 공급되어지게 되는 것이다.The hot water continuously preheated in the hot water tank 4 is supplied with water through the water inlet 41 and is moved through the hot water supply pipe 42 connected to the upper end of the hot water tank 4 by the pressure. It will be supplied to each generation.

한편, 상기와 같은 시스템을 가동하여 급탕을 공급하게 되는 데, 이때 급탕 사용량이 많은 동절기의 경우 피크(peak) 시간대에는 급탕이 순간적으로 많이 사용되어지게 됨으로 과부하 발생 및 급탕효율이 대략 70 ~ 80% 정도로 떨어지게 되어 본 발명에 따른 보조 보일러(6)를 가동시키게 되는 것이다.On the other hand, by operating the system as described above to supply hot water, in the case of the winter season when the hot water usage is high, the hot water is used a lot during the peak (peak) time instantaneous overload and hot water efficiency is approximately 70 ~ 80% It will fall to such an extent that it will start the auxiliary boiler 6 according to the invention.

이에 상기 히트펌프(1)에 의한 지중열 열원과 함께 보조 보일러(6)의 가동에 의해 발생된 열원으로 급탕을 공급하게 됨으로 순간적인 과부하를 방지하여 시스템의 안정을 기할 수 있음과 동시에 급탕효율을 대략 100%까지 끌어올릴 수 있게 되 는 것이다.In this way, the hot water is supplied to the heat source generated by the operation of the auxiliary boiler 6 together with the underground heat source by the heat pump 1, thereby preventing instantaneous overload and stabilizing the system while simultaneously improving hot water supply efficiency. That's up to 100%.

따라서, 본 발명에 따른 시스템은 개별난방은 물론 지열과 보조 보일러(6)에 의한 급탕열원을 공급할 수 있으므로 에너지 절감과 함께 신재생에너지인 지열시스템 보급을 확산시킬 수 있게 되는 것이다.Therefore, the system according to the present invention can supply the hot water supply source by the geothermal and auxiliary boiler 6 as well as the individual heating will be able to spread the spread of geothermal system of renewable energy with energy saving.

본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

도 1은 본 발명에 따른 지열 복합시스템을 도시한 개략 구성도.1 is a schematic configuration diagram showing a geothermal complex system according to the present invention.

도 2는 본 발명에 따른 지열 복합시스템의 다른 일 예를 도시한 개략 구성도.Figure 2 is a schematic block diagram showing another example of a geothermal complex system according to the present invention.

도 3 및 도 4는 본 발명에 따른 지열 복합시스템의 또 다른 일 예를 도시한 구성도.3 and 4 is a configuration diagram showing another example of a geothermal complex system according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 히트펌프 2 : 지중열교환기1: heat pump 2: underground heat exchanger

3 : 지중열회수열교환기 4 : 급탕탱크3: underground heat recovery heat exchanger 4: hot water tank

5 : 급탕가열관 6 : 보조 보일러5: hot water heating pipe 6: auxiliary boiler

7 : 연결관 11 : 압축기7: connector 11: compressor

12 : 응축기 13 : 팽창밸브12 condenser 13 expansion valve

14 : 증발기 21 : 지중열이송관14: evaporator 21: underground heat transfer pipe

22 : 식립관 23 : 지중열회수공간22: Placement Hall 23: Underground heat recovery space

24 : 워터펌프 31 : 냉수관24: water pump 31: cold water pipe

41 : 급수구 42 : 급탕공급관41: water supply port 42: hot water supply pipe

61 : 열순환관61: heat circulation tube

Claims (4)

삭제delete 냉매를 순환시키는 히트펌프와, 지중열이송관을 통해 지하로부터 지중열을 포함한 물을 순환시키는 지중열회수교환기와, 상기 히트펌프에 연결된 냉수관의 타측과 지중열이송관을 열교환시켜 지중열을 회수하는 지중열회수열교환기와, 하부 에는 물이 공급되는 급수구가 설치되고 상단부에는 급탕수를 배출하는 급탕공급관이 연결된 급탕탱크와, 일단부는 상기 급탕탱크의 하부에 연결되고 타단부는 히트펌프의 응축기와 열교환하도록 연결되어 응축기로부터 열을 회수하여 급탕수를 가열해주는 급탕가열관을 포함하여 구성되는 급탕전용 지열 복합시스템에 있어서,Ground heat recovery is performed by heat-exchanging a heat pump for circulating refrigerant, an underground heat recovery exchanger for circulating water including underground heat through the underground heat transfer pipe, and the other side of the cold water pipe connected to the heat pump and the underground heat transfer pipe. A hot water tank connected to the underground heat recovery heat exchanger, a water supply port for supplying water at the lower part, and a hot water supply pipe for discharging the hot water at the upper end, and one end connected to the lower part of the hot water tank, and the other end is connected to the condenser of the heat pump. In the geothermal complex system for hot water supply, comprising a hot water heating tube connected to heat exchange to recover heat from the condenser to heat the hot water supply, 상기 응축기와 급탕탱크의 상부를 연결하는 연결관에 열순환관으로 연결 설치되는 보조 보일러를 더 포함하여 구성되는 것을 특징으로 하는 급탕전용 지열 복합시스템.The geothermal complex system for hot water supply, characterized in that it further comprises an auxiliary boiler which is connected to the connection pipe connecting the upper portion of the condenser and the hot water supply tank by a heat circulation pipe. 냉매를 순환시키는 히트펌프와, 지중열이송관을 통해 지하로부터 지중열을 포함한 물을 순환시키는 지중열회수교환기와, 상기 히트펌프에 연결된 냉수관의 타측과 지중열이송관을 열교환시켜 지중열을 회수하는 지중열회수열교환기와, 하부 에는 물이 공급되는 급수구가 설치되고 상단부에는 급탕수를 배출하는 급탕공급관이 연결된 급탕탱크와, 일단부는 상기 급탕탱크의 하부에 연결되고 타단부는 히트펌프의 응축기와 열교환하도록 연결되어 응축기로부터 열을 회수하여 급탕수를 가열해주는 급탕가열관을 포함하여 구성되는 급탕전용 지열 복합시스템에 있어서,Ground heat recovery is performed by heat-exchanging a heat pump for circulating refrigerant, an underground heat recovery exchanger for circulating water including underground heat through the underground heat transfer pipe, and the other side of the cold water pipe connected to the heat pump and the underground heat transfer pipe. A hot water tank connected to the underground heat recovery heat exchanger, a water supply port for supplying water at the lower part, and a hot water supply pipe for discharging the hot water at the upper end, and one end connected to the lower part of the hot water tank, and the other end is connected to the condenser of the heat pump. In the geothermal complex system for hot water supply, comprising a hot water heating tube connected to heat exchange to recover heat from the condenser to heat the hot water supply, 상기 히트펌프에 급탕가열관으로 연결되는 1차 급탕탱크와, 상기 1차 급탕탱크에 연결관으로 연결되는 2차 급탕탱크 및 상기 1차 급탕탱크와 2차 급탕탱크 사이에 열순환관으로 연결 설치되는 보조 보일러를 더 포함하여 구성되는 것을 특징으로 하는 급탕전용 지열 복합시스템.A primary hot water tank connected to the heat pump by a hot water heating tube, a secondary hot water tank connected to the primary hot water tank by a connection pipe, and a heat circulation pipe connected between the primary hot water tank and the secondary hot water tank. Geothermal complex system for hot water supply, characterized in that further comprises an auxiliary boiler that is configured. 냉매를 순환시키는 히트펌프와, 지중열이송관을 통해 지하로부터 지중열을 포함한 물을 순환시키는 지중열회수교환기와, 상기 히트펌프에 연결된 냉수관의 타측과 지중열이송관을 열교환시켜 지중열을 회수하는 지중열회수열교환기와, 하부 에는 물이 공급되는 급수구가 설치되고 상단부에는 급탕수를 배출하는 급탕공급관이 연결된 급탕탱크와, 일단부는 상기 급탕탱크의 하부에 연결되고 타단부는 히트펌프의 응축기와 열교환하도록 연결되어 응축기로부터 열을 회수하여 급탕수를 가열해주는 급탕가열관을 포함하여 구성되는 급탕전용 지열 복합시스템에 있어서,Ground heat recovery is performed by heat-exchanging a heat pump for circulating refrigerant, an underground heat recovery exchanger for circulating water including underground heat through the underground heat transfer pipe, and the other side of the cold water pipe connected to the heat pump and the underground heat transfer pipe. A hot water tank connected to the underground heat recovery heat exchanger, a water supply port for supplying water at the lower part, and a hot water supply pipe for discharging the hot water at the upper end, and one end connected to the lower part of the hot water tank, and the other end is connected to the condenser of the heat pump. In the geothermal complex system for hot water supply, comprising a hot water heating tube connected to heat exchange to recover heat from the condenser to heat the hot water supply, 상기 히트펌프에 급탕가열관으로 연결되는 1차 급탕탱크와, 상기 1차 급탕탱크에 연결관으로 연결되는 2차 급탕탱크 및 상기 2차 급탕탱크에 열순환관으로 연결 설치되는 보조 보일러를 더 포함하여 구성되는 것을 특징으로 하는 급탕전용 지열 복합시스템.Further comprising: a primary hot water tank connected to the heat pump by a hot water heating tube, a secondary hot water tank connected by a connection pipe to the primary hot water tank, and an auxiliary boiler connected to the secondary hot water tank by a heat circulation pipe. Geothermal complex system for hot water supply, characterized in that the configuration.
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