KR100864068B1 - Hybrid heat pump using reusing water and rainwater - Google Patents

Hybrid heat pump using reusing water and rainwater Download PDF

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KR100864068B1
KR100864068B1 KR1020070088274A KR20070088274A KR100864068B1 KR 100864068 B1 KR100864068 B1 KR 100864068B1 KR 1020070088274 A KR1020070088274 A KR 1020070088274A KR 20070088274 A KR20070088274 A KR 20070088274A KR 100864068 B1 KR100864068 B1 KR 100864068B1
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South Korea
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water
storage tank
heavy water
rainwater
pipe
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KR1020070088274A
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Korean (ko)
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백영석
신승호
이건태
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삼성물산 주식회사
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    • 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
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • 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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A hybrid heat pump for recycling heavy water and rainwater is provided to save water for domestic use by recycling water of a heavy water tank for sundry uses. A hybrid heat pump for recycling heavy water and rainwater comprises a rainwater tank(100), a heat exchanger(500), a heat pump(200), a heavy water treatment system(300), a heavy water storage tank(400), and a circulation piping(55). The heavy water storage tank has a heavy water storage tank water gauge(410). The heavy water treatment system is operated if a water level of the heavy water storage tank water gauge is lower than a predetermined maximum level. If the water level reaches the maximum level, the heavy water treatment system stops operation and discharges water for domestic uses. If the heavy water storage tank reaches a minimum level, water of the rainwater tank is sequentially provided to the heavy water treatment system and the heavy water storage tank. The heat exchanger receives water of the rainwater tank through a third pipe(33) and returns water through a fourth pipe(44).

Description

중수 및 빗물을 재활용하는 하이브리드 히트펌프{Hybrid Heat Pump using Reusing water and Rainwater}Hybrid Heat Pump using Reusing water and Rainwater}

본 발명은 중수 및 빗물을 재활용하고 히트펌프를 작동시키는 장치에 관한 것으로서, 빗물이 집수되어 저장되는 빗물저류조(100); 상기 빗물저류조(100)를 열저장조로 사용하여 열교환을 하는 열교환기(500); 건물의 냉난방 부하를 충족시키는 히트펌프(200); 생활하수를 정화하고 이물질을 제거하는 중수처리시설(300); 및, 상기 중수처리시설(300)에서 처리된 중수를 저장하는 중수저장조(400);를 포함하여 구성되는 것을 특징으로 한다.The present invention relates to an apparatus for recycling heavy water and rainwater and operating a heat pump, the rainwater storage tank 100 in which rainwater is collected and stored; A heat exchanger 500 for heat exchange using the rainwater storage tank 100 as a heat storage tank; Heat pump 200 to meet the heating and cooling load of the building; A heavy water treatment plant 300 for purifying domestic sewage and removing foreign substances; And a heavy water storage tank 400 for storing the heavy water processed by the heavy water treatment facility 300.

저에너지 친환경 건축물로서 중수와 빗물 이용 시설의 설치가 의무화되어 보급이 활발해지고 있다. 예를 들어, 수도법에서는 건축 연면적 6만m2인 경우 중수 처리설비를 의무화하고 있으며, 서울시 조례에서는 건축면적의 0.02 용량의 빗물저류조 확보를 요구하고 있다.As a low-energy eco-friendly building, the installation of heavy water and rainwater utilization facilities is mandatory, and the dissemination is becoming active. For example, in the water service method when the building floor area 6 m 2, and man would require a gray water treatment plant, the Seoul city regulations require the securing of the rainwater storage tank capacity of 0.02 building area.

이러한 대용량의 빗물저류조를 열원 저장조로 활용할 경우 히트펌프의 효율을 높이고 에너지 절감함과 동시에 석유 등 화석연료 사용을 줄임으로써 온실가스 발생을 억제하는 부수적 효과를 함께 얻을 수 있다.When the large-scale rainwater storage tank is used as a heat source storage tank, it is possible to increase the efficiency of the heat pump and reduce the energy while simultaneously reducing the use of fossil fuels such as petroleum, thereby achieving a side effect of suppressing greenhouse gas generation.

생활하수를 정화한 중수의 경우 하절기에는 20 내지 28℃ 정도의 수온을 유지하고 동절기에는 10 내지 15℃ 정도의 수온을 유지하게 되는 바, 히트펌프의 열원으로 활용하기에 적합한 온도조건을 가지고 있다. In the case of heavy water purifying domestic sewage, the water temperature is maintained at about 20 to 28 ° C. in summer, and the water temperature is about 10 to 15 ° C. in winter, and has suitable temperature conditions to be used as a heat source of a heat pump.

빗물의 경우에도 하절기에 15 내지 20℃ 정도의 수온을 유지하고, 우리나라 강우 특성상 빗물은 냉방 에너지가 필요한 여름철(6월말에서 9월초)에 집중하므로 냉방 열원으로 활용하기에 적합하다.Even in the case of rain water maintains a water temperature of about 15 to 20 ℃ in the summer, and because of the rainfall characteristics of our country, rainwater is suitable for use as a cooling heat source because it concentrates in the summer season (late June to early September) that requires cooling energy.

종래의 생활하수의 폐열을 이용한 히트펌프는 생활하수의 수처리를 위한 추가 설비가 필요하고 단일 건축물에서는 충분한 유량 확보가 곤란하여 경제성을 확보하기가 어려운 문제점이 있었다.The conventional heat pump using waste heat of domestic sewage requires additional facilities for water treatment of domestic sewage, and it is difficult to secure economical efficiency because it is difficult to secure sufficient flow rate in a single building.

따라서, 수질이 우수한 중수 및 빗물을 이용하여 대용량의 저류공간을 형성하고, 중수를 재활용함과 동시에 대용량의 저류공간을 히트펌프의 열원으로 활용하여 경제성을 확보함과 동시에 환경친화적인 시스템의 도입이 요구되고 있다.Therefore, it is possible to form a large storage space using heavy water and rainwater with excellent water quality, to recycle heavy water, and to use the large storage space as a heat source of the heat pump to secure economic feasibility and to introduce an environment-friendly system. It is required.

본 발명이 해결하고자 하는 기술적 과제는 다음과 같다.The technical problem to be solved by the present invention is as follows.

첫째, 중수와 빗물을 화장실 용수 등으로 재활용함과 동시에 중수와 빗물에 포함된 열을 회수하여 히트펌프의 열원으로 활용할 수 있는 시스템을 제공함을 본 발명의 목적으로 한다.First, it is an object of the present invention to provide a system that can be used as a heat source of the heat pump by recovering the heat contained in the heavy water and rain water at the same time to recycle the heavy water and rain water to toilet water.

둘째, 중수의 재활용으로 중수가 부족한 경우에는 빗물저류조의 물을 공급하여 보충하고, 반대로 빗물저류조의 물이 부족한 경우에는 중수저장조의 물이 풍부하면 중수를 공급하여 보충하고 중수저장조의 물이 부족하면 수돗물을 공급하여 빗물저류조의 물을 보충할 수 있는 시스템을 제공함을 본 발명의 다른 목적으로 한다.Second, if heavy water is not enough due to the recycling of heavy water, it is supplemented by supplying water from the rainwater storage tank. On the contrary, if the water in the rainwater storage tank is insufficient, it is supplemented by supplying heavy water when the water in the heavy water storage tank is abundant. Another object of the present invention is to provide a system capable of supplying tap water to replenish water in a rainwater reservoir.

셋째, 심야전기를 활용하여 열원을 냉각하거나 가열하는 시스템을 제공하여 경제성을 추구함을 본 발명의 또 다른 목적으로 한다.Third, another object of the present invention is to seek economics by providing a system for cooling or heating a heat source using a late night electric.

상기한 목적을 달성하기 위하여 창작된 본 발명의 구성은 다음과 같다.The configuration of the present invention created to achieve the above object is as follows.

본 발명은 중수 및 빗물을 재활용하고 히트펌프를 작동시키는 장치에 관한 것으로서, 빗물이 집수되어 저장되는 빗물저류조(100); 상기 빗물저류조(100)를 열저장조로 사용하여 열교환을 하는 열교환기(500); 건물의 냉난방 부하를 충족시키는 히트펌프(200); 생활하수를 정화하고 이물질을 제거하는 중수처리시설(300); 및, 상기 중수처리시설(300)에서 처리된 중수를 저장하는 중수저장조(400);를 포함하여 구성되는 것을 특징으로 한다.The present invention relates to an apparatus for recycling heavy water and rainwater and operating a heat pump, the rainwater storage tank 100 in which rainwater is collected and stored; A heat exchanger 500 for heat exchange using the rainwater storage tank 100 as a heat storage tank; Heat pump 200 to meet the heating and cooling load of the building; A heavy water treatment plant 300 for purifying domestic sewage and removing foreign substances; And a heavy water storage tank 400 for storing the heavy water processed by the heavy water treatment facility 300.

상기한 구성에 따른 본 발명의 기술적 효과는 다음과 같다.Technical effects of the present invention according to the above configuration is as follows.

첫째, 중수와 빗물을 화장실 용수 등으로 재활용함과 동시에 중수와 빗물에 포함된 열을 회수하여 히트펌프의 열원으로 활용할 수 있다.First, the heavy water and rainwater can be recycled as toilet water, and at the same time, the heat contained in the heavy water and the rainwater can be recovered and used as a heat source of the heat pump.

다시 말하면, 중수저장조의 물을 화장실 용수 등으로 재활용하고, 빗물저류조에 저장된 물을 열저장조로 활용하여 열교환기를 통해 열을 회수하고, 히트펌프를 가동하여 생활용수를 절약함과 동시에 열에너지를 생산할 수 있다.In other words, the water in the heavy water storage tank can be recycled as toilet water, and the water stored in the rainwater storage tank can be used as a heat storage tank to recover heat through the heat exchanger, and the heat pump can be operated to save water and at the same time produce heat energy. have.

둘째, 중수의 재활용으로 중수가 부족한 경우에는 빗물저류조의 물을 공급하여 보충하고, 반대로 빗물저류조의 물이 부족한 경우에는 중수저장조의 물이 풍부하면 중수를 공급하여 보충하고 중수저장조의 물이 부족하면 수돗물을 공급하여 빗물저류조의 물을 보충할 수 있다.Second, if heavy water is not enough due to the recycling of heavy water, it is supplemented by supplying water from the rainwater storage tank. On the contrary, if the water in the rainwater storage tank is insufficient, it is supplemented by supplying heavy water when the water in the heavy water storage tank is abundant. Tap water can be supplied to replenish the water in the rainwater reservoir.

다시 말하면, 생활용수를 소비를 최소화함과 동시에 중수, 빗물 또는 수돗물에 포함된 열에너지를 최대한 활용할 수 있다. In other words, it is possible to make the most of the heat energy contained in heavy water, rainwater or tap water while minimizing consumption of domestic water.

셋째, 심야전기를 활용하여 열원을 냉각하거나 가열하는 시스템을 제공하여 경제성을 추구할 수 있다.Third, it is possible to pursue economics by providing a system that cools or heats the heat source by using a late night electricity.

다시 말하면, 히트펌프가 냉방부하를 충족시키기 위해 작동되는 경우에는 심야전기로 작동되는 냉각팬을 이용하여 빗물저류조에 저장된 물을 냉각하고, 히트펌 프가 난방부하를 충족시키기 위해 작동되는 경우에는 심야전기로 작동되는 열선을 이용하여 빗물저류조에 저장된 물을 가열하여 최소의 비용으로 히트펌프의 효율을 극대화시킬 수 있다.In other words, if the heat pump is operated to meet the cooling load, a midnight electric cooling fan is used to cool the water stored in the rainwater reservoir, and if the heat pump is operated to meet the heating load, it is midnight. By using an electrically operated heating wire to heat the water stored in the rainwater storage tank can maximize the efficiency of the heat pump at a minimum cost.

이하에서는 첨부도면을 참조하여 본 발명의 구체적 실시예를 보다 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a specific embodiment of the present invention.

도1에는 본 발명의 구체적 실시예의 전체 구성도를 개략적으로 도시하고 있다.1 schematically shows the overall configuration of a specific embodiment of the present invention.

도1에 도시된 바에 의하면 본 발명은 빗물이 집수되어 저장되는 빗물저류조(100); 상기 빗물저류조(100)를 열저장조로 사용하여 열교환을 하는 열교환기(500); 건물의 냉난방 부하를 충족시키는 히트펌프(200); 생활하수를 정화하고 이물질을 제거하는 중수처리시설(300); 및, 상기 중수처리시설(300)에서 처리된 중수를 저장하는 중수저장조(400);를 포함하여 구성된다.As shown in FIG. 1, the present invention provides a rainwater storage tank 100 in which rainwater is collected and stored; A heat exchanger 500 for heat exchange using the rainwater storage tank 100 as a heat storage tank; Heat pump 200 to meet the heating and cooling load of the building; A heavy water treatment plant 300 for purifying domestic sewage and removing foreign substances; And a heavy water storage tank 400 for storing the heavy water processed by the heavy water treatment facility 300.

중수저장조(400)에 저장된 물은 화장실 용수나 조경 용수 등으로 재활용되는데, 중수처리시설(300)에서 처리된 생활하수를 공급받아 저장하게 된다.The water stored in the heavy water storage tank 400 is recycled as toilet water or landscaping water, and is supplied with and stored domestic sewage treated in the heavy water treatment facility 300.

중수저장조(400)에는 수위를 측정하는 중수저장조수위계(410)가 구비되어 중수저장조(400)의 수위를 측정하고, 측정된 수위를 근거로 중수처리시설(300)의 가동을 제어하게 된다.The heavy water storage tank 400 is provided with a heavy water storage tank level meter 410 for measuring the water level to measure the water level of the heavy water storage tank 400, and controls the operation of the heavy water treatment facility 300 based on the measured water level.

중수저장조(400)의 수위가 미리 정해진 상한치에 도달하지 않은 경우에는 지 속적으로 중수저장조(400)에 중수(중수저장조(400)에서 처리된 생활하수)를 공급할 필요가 있는 바, 중수처리시설(300)이 작동하게 된다.If the water level of the heavy water storage tank 400 does not reach a predetermined upper limit, it is necessary to continuously supply the heavy water (living sewage treated in the heavy water storage tank 400) to the heavy water storage tank 400. 300) is activated.

이러한 중수처리시설(300)의 작동으로 중수가 중수저장조(400)에 공급되어 중수저장조(400)의 수위가 상한치에 도달하게 되면 중수처리시설(300)의 작동을 중단시키고 생활하수를 처리하지 않고 하수도를 통하여 외부로 직접 방류하여 중수저장조(400)의 중수가 넘치는 것을 방지한다.When the heavy water is supplied to the heavy water storage tank 400 by the operation of the heavy water treatment facility 300 and the water level of the heavy water storage tank 400 reaches an upper limit, the operation of the heavy water treatment facility 300 is stopped and the domestic sewage is not treated. Directly discharged to the outside through the sewer to prevent the heavy water of the heavy water storage tank 400 overflows.

중수저장조(400)에 저장된 중수를 화장실 용수 등으로 사용함으로써 중수저장조(400)의 수위가 상한치 이하로 떨어지면 가동이 중단된 중수처리시설(300)을 재가동하여 중수를 다시 중수저장조(400)로 공급한다.When the water level of the heavy water storage tank 400 falls below the upper limit by using the heavy water stored in the heavy water storage tank 400 as the toilet water, the heavy water treatment facility 300 is restarted and the heavy water is supplied to the heavy water storage tank 400 again. do.

중수의 사용량이 일시적으로 급증하여 중수처리시설(300)에서 처리된 생활하수만으로는 중수저장조(400)의 수위를 일정 수준이상으로 유지하기가 곤란한 경우(다시 말하면 중수저장조(400)의 수위가 미리 정해진 하한치에 도달한 경우)에는 일시적으로 빗물저류조(100)의 물을 중수처리시설(300)의 멤브레인바이오리액터(310)의 MF 여과막을 통하여 정화처리한 후 중수저장조(400)로 공급하여 중수저장조(400)의 수위를 회복하도록 한다. 빗물저류조(100)로부터 공급되는 물은 중수저장조(400)의 수위가 상한치에 도달하면 중수처리시설(300)의 가동이 중단되어 자동적으로 그 공급이 차단된다. 필요한 경우에는 중수저장조(400)의 수위가 상한치에 도달하지 않더라도 중수저장조(400)의 수위가 하한치로부터 일정 높이 이상 회복되면 빗물저류조(100)의 물공급을 차단하도록 할 수도 있다.When the usage of heavy water is temporarily increased, it is difficult to maintain the water level of the heavy water storage tank 400 above a certain level only by living sewage treated in the heavy water treatment facility 300 (that is, the water level of the heavy water storage tank 400 is predetermined). When the lower limit is reached), the water of the rainwater storage tank 100 is temporarily purified through the MF filtration membrane of the membrane bioreactor 310 of the heavy water treatment facility 300 and then supplied to the heavy water storage tank 400 to supply the heavy water storage tank ( To restore the water level of 400). Water supplied from the rainwater storage tank 100 is stopped when the water level of the heavy water storage tank 400 reaches the upper limit, the operation of the heavy water treatment plant 300 is automatically cut off its supply. If necessary, even if the water level of the heavy water storage tank 400 does not reach the upper limit, the water supply of the rainwater storage tank 100 may be blocked when the water level of the heavy water storage tank 400 recovers more than a predetermined height from the lower limit.

빗물저류조(100)는 빗물을 집수하여 저장하는 탱크로서, 열교환을 위한 열교 환기(500)를 통하여 히트펌프(200)의 열저장조 기능을 수행한다.The rainwater storage tank 100 is a tank for collecting and storing rainwater, and performs a heat storage tank function of the heat pump 200 through a heat exchanger 500 for heat exchange.

다시 말하면 빗물에 포함된 열에너지를 회수하는 열교환기(500)를 거쳐 히트펌프(200)를 가동하게 된다.In other words, the heat pump 200 is operated through a heat exchanger 500 for recovering thermal energy contained in rainwater.

따라서, 빗물저류조(100)의 수위도 일정 범위 내에서 유지될 필요가 있는 바, 빗물저류조(100)에도 수위를 측정하는 빗물저류조수위계(110)가 구비된다.Therefore, the water level of the rainwater storage tank 100 also needs to be maintained within a certain range, the rainwater storage tank 100 is also provided with a rainwater storage tank level 110 for measuring the water level.

강우량이 충분하지 못하여 빗물저류조(100)의 수위가 미리 정해진 하한치에 도달할 경우, 신속하게 빗물저류조(100)의 수위를 보충할 필요가 있는데, 보충수로는 먼저 여분의 중수가 있다면 중수를 활용하고 중수가 충분하지 않다면 최종적으로 수돗물을 공급하게 된다.If the rainfall is not enough and the water level of the rainwater storage tank 100 reaches a predetermined lower limit, it is necessary to replenish the water level of the rainwater storage tank 100 quickly. If there is not enough heavy water, it will eventually provide tap water.

다시 말하면, 중수저장조(400)의 수위가 상한치이면 중수저장조(400)의 물을 빗물저류조(100)에 공급하여 빗물저류조(100)의 수위를 보충하는데, 생활하수가 충분하다면 중수저장조(400)의 중수를 빗물저류조(100)에 공급함으로써 중수저장조(400)의 수위가 상한치 아래로 내려가더라도 중수처리시설(300)이 가동되어 중수를 중수저장조(400)에 공급하여 중수저장조(400)의 수위는 바로 회복되고 중수를 빗물저류조(100)로 계속 공급하게 된다. 만약 생활하수가 부족하여 중수저장조(400)의 수위가 상한치로 바로 회복되지 못하면 중수저장조(400)의 중수 공급을 중단하고 수돗물을 빗물저류조(100)에 공급하여 빗물저류조(100)의 수위를 회복시킨다. 이와 같은 물의 보충으로 빗물저류조(100)의 수위가 상한치에 도달하면 중수나 수돗물의 공급을 중단한다.In other words, if the water level of the heavy water storage tank 400 is the upper limit to supply the water of the heavy water storage tank 400 to the rainwater storage tank 100 to replenish the water level of the rainwater storage tank 100, if there is enough living sewage storage tank 400 By supplying the heavy water of the rainwater storage tank 100, even if the water level of the heavy water storage tank 400 is lower than the upper limit, the heavy water treatment facility 300 is operated to supply the heavy water to the heavy water storage tank 400, the water level of the heavy water storage tank 400 Is immediately recovered and continues to supply heavy water to the rainwater storage tank (100). If the water level of the heavy water storage tank 400 is not immediately recovered to the upper limit due to lack of living sewage, the heavy water supply of the heavy water storage tank 400 is stopped and the tap water is supplied to the rainwater storage tank 100 to restore the water level of the rainwater storage tank 100. Let's do it. When the water level of the rainwater storage tank 100 reaches the upper limit by replenishing such water, the supply of heavy water or tap water is stopped.

만약, 빗물저류조(100)의 수위가 하한치에 도달한 경우에 중수저장조(400)의 수위가 처음부터 상한치에 도달하지 못한 상태라면 바로 수돗물을 빗물저류조(100)에 공급하여 빗물저류조(100)의 수위를 회복시키고, 빗물저류조(100)의 수위가 상한치에 도달하면 수돗물의 공급을 중단한다.If the water level of the rainwater storage tank 100 reaches the lower limit, if the water level of the heavy water storage tank 400 does not reach the upper limit from the beginning, the tap water is immediately supplied to the rainwater storage tank 100 of the rainwater storage tank 100. When the water level is restored and the water level of the rainwater storage tank 100 reaches the upper limit, the supply of tap water is stopped.

아울러, 중수저장조(400)의 수위를 회복시키기 위하여 빗물저류조(100)의 물을 공급하는 과정에서 빗물저류조(100)의 수위가 하한치에 도달한 경우에도 수돗물을 빗물저류조(100)에 공급하여 빗물저류조(100)의 수위를 회복시키고, 빗물저류조(100)의 물을 계속적으로 중수처리시설(300)을 통하여 중수저장조(400)로 공급하여 중수저장조(400)의 수위를 회복시킨다.In addition, even when the water level of the rainwater storage tank 100 reaches the lower limit in the process of supplying the water of the rainwater storage tank 100 to restore the water level of the heavy water storage tank 400, the tap water is supplied to the rainwater storage tank 100 by rainwater. The water level of the storage tank 100 is restored, and the water of the rainwater storage tank 100 is continuously supplied to the heavy water storage tank 400 through the heavy water treatment facility 300 to restore the water level of the heavy water storage tank 400.

다시 말하면 빗물저류조(100)의 수위 및 중수저장조(400)의 수위가 모두 부족한 경우에는 수돗물이 이들 모두의 수위를 보충하게 된다.In other words, when both the water level of the rainwater storage tank 100 and the water level of the heavy water storage tank 400 is insufficient, the tap water replenishes the water level of all of them.

강우량이 충분하여 빗물저류조(100)의 수위가 미리 정해진 상한치에 도달하게 되면, 상한치를 초과하는 여분의 물은 별도의 배수관을 통하여 외부로 방류한다.When the rainfall is sufficient, the water level of the rainwater storage tank 100 reaches a predetermined upper limit, excess water exceeding the upper limit is discharged to the outside through a separate drain pipe.

빗물저류조(100)에는 냉각팬(120) 및 열선(130)이 구비되어 있다.Rainwater storage tank 100 is provided with a cooling fan 120 and the hot wire 130.

히트펌프(200)가 냉방부하를 충족시키기 위해 작동되는 경우에는 빗물저류조(100)의 수온이 낮을수록 히트펌프(200)의 효율(성능계수)이 향상된다.When the heat pump 200 is operated to satisfy the cooling load, the lower the water temperature of the rainwater storage tank 100, the more the efficiency (performance coefficient) of the heat pump 200 is improved.

따라서 빗물저류조(100)에 저장된 물을 냉각할 필요가 있는데, 상대적으로 저렴한 심야전기로 작동되는 냉각팬(120)을 이용하여 빗물저류조(100)에 저장된 물을 냉각한다.Therefore, it is necessary to cool the water stored in the rainwater storage tank 100, by using a cooling fan 120 operated by a relatively inexpensive late night electricity to cool the water stored in the rainwater storage tank 100.

히트펌프(200)가 난방부하를 충족시키기 위해 작동되는 경우에는 빗물저류 조(100)의 수온이 높을수록 히트펌프(200)의 효율이 향상된다.When the heat pump 200 is operated to satisfy the heating load, the higher the water temperature of the rainwater storage tank 100, the higher the efficiency of the heat pump 200 is.

따라서 빗물저류조(100)에 저장된 물을 가열할 필요가 있는데, 심야전기로 작동되는 열선(130)을 이용하여 빗물저류조(100)에 저장된 물을 가열한다.Therefore, it is necessary to heat the water stored in the rainwater storage tank 100, the water stored in the rainwater storage tank 100 by using a heating wire 130 operated by a night-time electricity.

중수처리시설(300)은 멤브레인바이오리액터(310), AOP(Advanced Oxidation Process)처리부(320), 및 염소처리부(330)를 포함하여 구성된다.The heavy water treatment plant 300 includes a membrane bioreactor 310, an advanced oxidation process (AOP) treatment unit 320, and a chlorine treatment unit 330.

멤브레인바이오리액터(310)는 생활하수 및 빗물에 포함된 유기물 분해 및 미생물을 포함한 입자성 물질을 처리하고 여과하는 외부막 순환 형태를 갖추고 있다. The membrane bioreactor 310 has an outer membrane circulation form for treating and filtering particulate matter including organic matter decomposition and microorganisms contained in domestic sewage and rainwater.

AOP(Advanced Oxidation Process)처리부(320)는 OH Radical을 중간 생성물질로 생성하여 수중오염 물질인 유기물을 산화처리하는 고급산화 처리기능을 수행한다.The AOP (Advanced Oxidation Process) processing unit 320 generates OH Radical as an intermediate product to perform an advanced oxidation treatment function for oxidizing an organic substance which is a water pollutant.

염소처리부(330)는 중수저장조(400), 빗물저류조(100) 또는 배관 내부의 슬라임 발생을 억제하는 염소를 투여하는 과정을 수행한다.The chlorine treatment unit 330 performs a process of administering chlorine to suppress the slime generation in the heavy water storage tank 400, rainwater storage tank 100 or the pipe.

중수처리시설(300)에는 이 밖에도 이물질을 1차적으로 걸러주는 스크린, 유입되는 유량을 조절하는 유량조정조, 활성오니법을 이용하여 유기물질을 제거하는 폭기조 등이 더 구비될 수 있다.The heavy water treatment facility 300 may further include a screen that primarily filters foreign matters, a flow rate adjusting tank for adjusting the flow rate of inflow, and an aeration tank for removing organic materials using an activated sludge method.

중수처리시설(300)은 생활하수 또는 빗물저류조(100)로부터 공급되는 물을 정화처리하여 중수저장조(400)로 공급하는 기능을 수행한다.The heavy water treatment facility 300 performs a function of purifying water supplied from the domestic sewage or rainwater storage tank 100 and supplying the water to the heavy water storage tank 400.

열교환기(500)는 일반적인 판상형 형태를 가지며, 여름철에 중수와 빗물의 저온의 열을 히트펌프(200)의 고온의 열과 교환하는 것으로 중수와 빗물의 온도가 상승하여 열교환 효율이 저하되면 기존의 냉각탑(600) 시스템으로 운전한다.The heat exchanger 500 has a general plate-like shape, and exchanges low-temperature heat of heavy water and rainwater with high-temperature heat of the heat pump 200 in summer, when the temperature of heavy water and rainwater rises and the heat exchange efficiency decreases. Operate with the 600 system.

건물의 옥상에 설치되는 냉각탑(600)이 설치된다. Cooling tower 600 is installed on the roof of the building is installed.

순환배관(55)은 열교환기(500)와 히트펌프(200)의 열교환부를 순환한다.The circulation pipe 55 circulates the heat exchange part of the heat exchanger 500 and the heat pump 200.

냉각탑(600)에서 냉각된 물은 제1배관(11)을 통하여 순환배관(55)으로 공급된다.Water cooled in the cooling tower 600 is supplied to the circulation pipe 55 through the first pipe (11).

순환배관(55)을 따라 히트펌프(200)의 열교환부와 열교환기(500)를 순환한 물은 제2배관(22)을 통하여 냉각탑(600)으로 되돌아 간다.The water circulated through the heat exchange part of the heat pump 200 and the heat exchanger 500 along the circulation pipe 55 is returned to the cooling tower 600 through the second pipe 22.

빗물저류조(100)는 제3배관(33)과 제4배관(44)을 통하여 열교환기(500)와 연결되는데, 제3배관(33)은 빗물저류조(100)의 물을 열교환기(500)로 공급하고, 열교환기(500)를 통과한 물은 제4배관(44)을 통하여 빗물저류조(100)로 되돌아 가고, 미리 설정한 일정 수온 이상에 이를 때까지 계속 순환하여 열회수 효율을 높힌다.Rainwater storage tank 100 is connected to the heat exchanger 500 through the third pipe 33 and the fourth pipe 44, the third pipe 33 is a heat exchanger 500 to the water of the rainwater storage tank 100 The water passed through the heat exchanger 500 is returned to the rainwater storage tank 100 through the fourth pipe 44, and the water is continuously circulated until the predetermined water temperature or more is reached to increase the heat recovery efficiency.

각각의 배관에는 배관을 개폐하는 밸브들이 설치되어 유로를 변경할 수 있는데, 제1배관(11)에는 제1밸브(10)가 설치되고, 제2배관(22)에는 제2밸브(20)가 설치되고, 제3배관(33)에는 제3밸브(30)가 설치되고, 제4배관(44)에는 제4밸브(40)가 설치된다.Each pipe is provided with valves for opening and closing pipes to change the flow path. The first pipe 11 is provided with a first valve 10, and the second pipe 22 is provided with a second valve 20. The third pipe 33 is provided with a third valve 30, and the fourth pipe 44 is provided with a fourth valve 40.

순환밸브(50)는 순환배관(55)에 설치되는데, 제1배관(11)과 제2배관(22)의 연결부분 사이에 위치하게 된다.The circulation valve 50 is installed in the circulation pipe 55, and is located between the connection portion of the first pipe 11 and the second pipe 22.

따라서, 제1밸브(10) 및 제2밸브(20)가 닫히고, 제3밸브(30), 제4밸브(40), 및 순환밸브(50)가 열리는 경우에는 빗물저류조(100)에 저장된 물이 열교환기(500)에서 1차 열교환을 하고, 순환배관(55)의 내부를 순환하는 물이 히트펌프(200)의 열교환부에서 2차 열교환을 하는 과정으로 히트펌프(200)가 작동된다.Therefore, when the first valve 10 and the second valve 20 are closed and the third valve 30, the fourth valve 40, and the circulation valve 50 are opened, the water stored in the rainwater storage tank 100 is opened. The heat pump 200 is operated by primary heat exchange in the heat exchanger 500 and secondary heat exchange in the heat exchange part of the heat pump 200 through which water circulating in the circulation pipe 55 is heated.

만약, 순환 열교환에 의해 빗물저류조(100)의 물의 온도가 상승하여 열교환 효율이 저하되면 제1밸브(10) 및 제2밸브(20)를 열고, 제3밸브(30), 제4밸브(40), 및 순환밸브(50)를 닫아서 냉각탑(600)의 물이 제1배관(11), 순환배관(55)의 일부구간, 및 제2배관(22)을 따라 순환하는 과정에서 히트펌프(200)의 열교환부에서 열교환이 이루어지도록 한다.If the temperature of the water in the rainwater storage tank 100 increases due to circulating heat exchange, and the heat exchange efficiency decreases, the first valve 10 and the second valve 20 are opened, and the third valve 30 and the fourth valve 40 are opened. And the circulation valve 50 to close the heat pump 200 in the process of circulating the water in the cooling tower 600 along the first pipe 11, a part of the circulation pipe 55, and the second pipe 22. Heat exchange in the heat exchange part of the) to be made.

이 경우 제3배관(33) 및 제4배관(44)이 닫히게 되어 빗물저류조(100)의 물이 열교환기(500)에 공급되지 않아 냉각탑(600)의 물이 순환배관(55)을 순환하는 과정에서 열교환기(500)를 통과하더라도 실질적인 열교환은 거의 발생하지 않는다.In this case, the third pipe 33 and the fourth pipe 44 are closed so that the water in the rainwater storage tank 100 is not supplied to the heat exchanger 500 so that the water in the cooling tower 600 circulates in the circulation pipe 55. Even though the heat exchanger 500 passes through the process, substantially no heat exchange occurs.

다시 말하면 냉각탑(600)의 물이 제1배관(11), 순환배관(55)의 일부구간, 및 제2배관(22)을 따라 순환하는 과정에서 히트펌프(200)의 열교환부에서만 열교환이 이루어져 히트펌프(200)가 작동되게 된다.In other words, the water of the cooling tower 600 is heat-exchanged only in the heat exchange part of the heat pump 200 in the course of circulating along the first pipe 11, a part of the circulation pipe 55, and the second pipe 22. The heat pump 200 is to be operated.

히트펌프(200)는 빗물저류조(100)를 열저장조로 이용하여(경우에 따라서는 냉각탑(600)을 열저장조로 이용) 건물의 냉난방 부하를 충족시킨다.The heat pump 200 uses the rainwater storage tank 100 as a heat storage tank (in some cases, using the cooling tower 600 as a heat storage tank) to satisfy the heating and cooling load of the building.

히트펌프(200)에는 별도의 특별한 구성요소는 없으며, 압축기와 팽창밸브 사이에 열교환부가 구비된 일반적인 히트펌프(200) 시스템이 사용될 수 있으며, 단지 열저장조로서 빗물저류조(100) 또는 냉각탑(600)을 사용하게 된다.There is no special component in the heat pump 200, a general heat pump 200 system having a heat exchanger between the compressor and the expansion valve may be used, and only the rainwater storage tank 100 or the cooling tower 600 as a heat storage tank. Will be used.

상기한 바와 같이 첨부도면을 참조하여 본 발명의 구체적 실시예를 설명하였으나 본 발명의 보호범위가 반드시 이러한 실시예에 한정되는 것은 아니며, 본 발명의 기술적 요지를 변경하지 않는 범위 내에서 다양한 설계변경, 수치한정, 관용수단의 부가나 삭제 등의 경우에도 본 발명의 보호범위에 속함을 분명히 한다.Although specific embodiments of the present invention have been described with reference to the accompanying drawings as described above, the scope of protection of the present invention is not necessarily limited to these embodiments, and various design changes within the scope of not changing the technical gist of the present invention, Numerical limitations, additions or deletions of conventional means, etc., also fall within the protection scope of the present invention.

도1은 본 발명의 구체적 실시예의 전체 구성도이다.1 is an overall configuration diagram of a specific embodiment of the present invention.

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

100:빗물저류조100: rainwater storage tank

110:빗물저류조수위계110: rainwater reservoir level gauge

120:냉각팬120: cooling fan

130:열선130: heating wire

200:히트펌프200: heat pump

300:중수처리시설300: heavy water treatment facility

310:멤브레인바이오리액터(Membrane Bio Reactor)310: Membrane Bio Reactor

320:AOP(Advanced Oxidation Process)처리부320: AOP (Advanced Oxidation Process) processing unit

330:염소처리부330: chlorine treatment unit

400:중수저장조400: heavy water storage tank

410:중수저장조수위계410: Heavy water storage tank level

500:열교환기500: heat exchanger

600:냉각탑600: cooling tower

11:제1배관11: First pipe

22:제2배관22: second piping

33:제3배관33: 3rd piping

44:제4배관44: fourth piping

55:순환배관55: circulating piping

10:제1밸브10: first valve

20:제2밸브20: second valve

30:제3밸브30: 3rd valve

40;제4밸브40; fourth valve

50:순환밸브50: circulation valve

Claims (6)

중수 및 빗물을 재활용하고 히트펌프를 작동시키는 장치에 관한 것으로서,A device for recycling heavy water and rainwater and operating a heat pump, 빗물이 집수되어 저장되는 빗물저류조(100);Rainwater storage tank 100 in which rainwater is collected and stored; 상기 빗물저류조(100)를 열저장조로 사용하여 열교환을 하는 열교환기(500);A heat exchanger 500 for heat exchange using the rainwater storage tank 100 as a heat storage tank; 건물의 냉난방 부하를 충족시키는 히트펌프(200);Heat pump 200 to meet the heating and cooling load of the building; 생활하수를 처리하여 생활용수로 재이용을 위한 중수처리시설(300); A heavy water treatment facility (300) for treating domestic sewage and reusing it as household water; 상기 중수처리시설(300)에서 처리된 중수를 공급받아 저장하는 중수저장조(400); 및,A heavy water storage tank 400 for receiving and storing the heavy water processed by the heavy water treatment facility 300; And, 상기 열교환기(500)와 상기 히트펌프(200)의 열교환부를 순환하는 순환배관(55);A circulation pipe 55 circulating the heat exchange part of the heat exchanger 500 and the heat pump 200; 를 포함하여 구성되되,Consists of including 상기 중수저장조(400)에는 수위를 측정하는 중수저장조수위계(410);The heavy water storage tank 400 includes a heavy water storage tank level meter 410 for measuring the water level; 가 구비되고,Is provided, 상기 중수처리시설(300)은 상기 중수저장조(400)의 수위가 미리 정해진 상한치 미만인 경우에만 작동하고,The heavy water treatment facility 300 operates only when the water level of the heavy water storage tank 400 is less than a predetermined upper limit, 상기 중수저장조(400)의 수위가 상한치에 도달하면 상기 중수처리시설(300)의 작동을 중단시키고 생활하수를 외부로 직접 방류하고,When the water level of the heavy water storage tank 400 reaches the upper limit, the operation of the heavy water treatment facility 300 is stopped and the domestic sewage is discharged directly to the outside, 상기 중수저장조(400)의 수위가 하한치에 도달하면 상기 빗물저류조(100)의 물을 상기 중수처리시설(300)로 공급하여 정화처리한 후 상기 중수저장조(400)로 공급하며,When the water level of the heavy water storage tank 400 reaches the lower limit, the water of the rainwater storage tank 100 is supplied to the heavy water treatment facility 300 for purification and then supplied to the heavy water storage tank 400. 상기 열교환기(500)는 제3배관(33)을 통하여 상기 빗물저류조(100)의 물을 공급받고, 제4배관(44)를 통하여 상기 열교환기(500)를 통과한 물을 다시 상기 빗물저류조(100)로 되돌려 보내는 것을 특징으로 하는 중수 및 빗물을 재활용하는 하이브리드 히트펌프.The heat exchanger 500 receives the water from the rainwater storage tank 100 through the third pipe 33, and returns the water passed through the heat exchanger 500 through the fourth pipe 44 to the rainwater storage tank. Hybrid heat pump to recycle heavy water and rain water, characterized in that the return to (100). 제1항에서,In claim 1, 상기 빗물저류조(100)에는 수위를 측정하는 빗물저류조수위계(110);The rainwater storage tank 100 has a rainwater storage tank level 110 for measuring the water level; 가 더 구비되고,Is further provided, 상기 빗물저류조(100)의 수위가 미리 정해진 하한치에 도달할 경우, 상기 중수저장조(400)의 수위가 상한치이면 상기 중수저장조(400)의 물을 상기 빗물저류조(100)에 공급하고, 상기 중수저장조(400)의 수위가 상한치에 미달하면 수돗물을 상기 빗물저류조(100)에 공급하고,When the water level of the rainwater storage tank 100 reaches a predetermined lower limit value, if the water level of the heavy water storage tank 400 is an upper limit value, the water of the heavy water storage tank 400 is supplied to the rainwater storage tank 100, and the heavy water storage tank When the water level of 400 falls below the upper limit, the tap water is supplied to the rainwater storage tank 100, 상기 빗물저류조(100)의 수위가 미리 정해진 상한치에 도달한 경우, 상기 중수저장조(400)의 물 또는 수돗물의 공급을 중단하고, When the water level of the rainwater storage tank 100 reaches a predetermined upper limit value, the supply of water or tap water of the heavy water storage tank 400 is stopped, 상기 빗물저류조(100)의 수위가 상한치를 초과하는 경우 여분의 물은 외부로 방류하는 것을 특징으로 하는 중수 및 빗물을 재활용하는 하이브리드 히트펌프.Hybrid water pump to recycle heavy water and rainwater, characterized in that the excess water is discharged to the outside when the water level of the rainwater storage tank 100 exceeds the upper limit. 제2항에서, 상기 중수처리시설(300)은,In claim 2, the heavy water treatment facility 300, 생활하수 및 빗물에 포함된 유기물 분해 및 미생물을 포함한 입자성 물질을 처리하고 여과하는 외부막 순환 형태의 멤브레인바이오리액터(310);A membrane bioreactor 310 of an outer membrane circulation type for treating and filtering particulate matter including microorganisms and organic matter contained in domestic sewage and rainwater; OH Radical을 중간 생성물질로 생성하여 수중오염 물질인 유기물을 산화처리하는 AOP(Advanced Oxidation Process)처리부(320); 및,An AOP (Advanced Oxidation Process) processing unit 320 for oxidizing an organic substance which is a water pollutant by generating OH Radical as an intermediate product; And, 중수저장조(400), 빗물저류조(100) 또는 배관 내부의 슬라임 발생을 억제하는 염소를 투여하는 염소처리부(330);Heavy water storage tank 400, rainwater storage tank 100 or chlorine treatment unit 330 for administering chlorine to suppress the generation of slime in the pipe; 를 포함하여 구성되는 것을 특징으로 하는 중수 및 빗물을 재활용하는 하이브리드 히트펌프.Hybrid heat pump for recycling heavy water and rainwater, characterized in that comprises a. 제1항 내지 제3항 가운데 어느 한 항에서,The method according to any one of claims 1 to 3, 건물의 옥상에 설치되는 냉각탑(600); Cooling tower 600 is installed on the roof of the building; 상기 냉각탑(600)에서 냉각된 물이 상기 순환배관(55)으로 공급되는 제1배관(11);A first pipe 11 to which water cooled in the cooling tower 600 is supplied to the circulation pipe 55; 상기 순환배관(55)을 따라 상기 히트펌프(200)의 열교환부와 상기 열교환기(500)를 순환한 물이 상기 냉각탑(600)으로 되돌아 가는 제2배관(22);A second pipe 22 in which water circulated through the heat exchange part of the heat pump 200 and the heat exchanger 500 is returned to the cooling tower 600 along the circulation pipe 55; 상기 제1배관(11)에 설치되는 제1밸브(10);A first valve 10 installed at the first pipe 11; 상기 제2배관(22)에 설치되는 제2밸브(20);A second valve 20 installed in the second pipe 22; 상기 제3배관(33)에 설치되는 제3밸브(30);A third valve 30 installed in the third pipe 33; 상기 제4배관(44)에 설치되는 제4밸브(40); 및,A fourth valve 40 installed on the fourth pipe 44; And, 상기 순환배관(55)에 설치되며, 상기 제1배관(11)과 상기 제2배관(22)의 연결부분 사이에 위치하는 순환밸브(50);A circulation valve 50 installed in the circulation pipe 55 and positioned between a connection portion of the first pipe 11 and the second pipe 22; 를 포함하고,Including, 상기 제1밸브(10) 및 상기 제2밸브(20)가 닫히고, 상기 제3밸브(30), 상기 제4밸브(40), 및 상기 순환밸브(50)가 열리는 경우에는 빗물저류조(100)에 저장된 물이 상기 열교환기(500)에서 1차 열교환을 하고, 상기 순환배관(55)의 내부를 순환하는 물이 상기 히트펌프(200)의 열교환부에서 2차 열교환을 하며,When the first valve 10 and the second valve 20 is closed and the third valve 30, the fourth valve 40, and the circulation valve 50 are opened, the rainwater storage tank 100 is provided. The water stored in the first heat exchange in the heat exchanger 500, the water circulating in the circulation pipe 55 is secondary heat exchange in the heat exchange unit of the heat pump 200, 상기 제1밸브(10) 및 상기 제2밸브(20)가 열리고, 상기 제3밸브(30), 상기 제4밸브(40), 및 상기 순환밸브(50)가 닫히는 경우에는 상기 냉각탑(600)의 물이 상기 제1배관(11), 상기 순환배관(55)의 일부구간, 및 상기 제2배관(22)을 따라 순환하는 과정에서 상기 히트펌프(200)의 열교환부에서만 열교환을 하는 것을 특징으로 하는 중수 및 빗물을 재활용하는 하이브리드 히트펌프.When the first valve 10 and the second valve 20 are opened and the third valve 30, the fourth valve 40, and the circulation valve 50 are closed, the cooling tower 600 is closed. It is characterized in that the heat exchange only in the heat exchange part of the heat pump 200 in the process of circulating the water along the first pipe 11, a portion of the circulation pipe 55, and the second pipe 22. Hybrid heat pump to recycle heavy water and rainwater. 제4항에서,In claim 4, 상기 빗물저류조(100)에는 냉각팬(120) 및 열선(130)이 더 구비되고,The rainwater storage tank 100 is further provided with a cooling fan 120 and the heating wire 130, 상기 히트펌프(200)가 냉방부하를 충족시키기 위해 작동되는 경우에는 심야전기로 작동되는 상기 냉각팬(120)을 이용하여 상기 빗물저류조(100)에 저장된 물을 냉각하고,When the heat pump 200 is operated to satisfy the cooling load, the water stored in the rainwater storage tank 100 is cooled by using the cooling fan 120 operated by a late night electric. 상기 히트펌프(200)가 난방부하를 충족시키기 위해 작동되는 경우에는 심야전기로 작동되는 상기 열선(130)을 이용하여 상기 빗물저류조(100)에 저장된 물을 가열하는 것을 특징으로 하는 중수 및 빗물을 재활용하는 하이브리드 히트펌프.When the heat pump 200 is operated to satisfy the heating load, the heavy water and rainwater, characterized in that for heating the water stored in the rainwater storage tank 100 by using the heating wire 130 is operated by a midnight electricity Recycling hybrid heat pump. 삭제delete
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KR101372388B1 (en) * 2013-11-07 2014-03-12 (주)청솔환경건설 In-situ treatment apparatus and method for reusing rainwater and wastewater

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