KR100661190B1 - A cold-hot water supplying and air conditioning system for a apartment - Google Patents

A cold-hot water supplying and air conditioning system for a apartment Download PDF

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KR100661190B1
KR100661190B1 KR1020050091910A KR20050091910A KR100661190B1 KR 100661190 B1 KR100661190 B1 KR 100661190B1 KR 1020050091910 A KR1020050091910 A KR 1020050091910A KR 20050091910 A KR20050091910 A KR 20050091910A KR 100661190 B1 KR100661190 B1 KR 100661190B1
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South Korea
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hot water
unit
water supply
cooling
waste
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KR1020050091910A
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Korean (ko)
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정방균
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정방균
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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
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/004—Outdoor unit with water as a heat sink or heat source

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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)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

A cold-hot water supplying and an air conditioning system for an apartment are provided to minimize a waste of energy by collecting once more and recycling a thermal energy remained at a waste hot water. In a cold-hot water supplying and an air conditioning system, a cistern(10) charges water with a predetermined water level. A refrigerator includes a compressor, a condenser, an expansion valve, and an evaporator. One end of a cooling circulation path(30) is connected with a lower part of the inner cistern and the other of the cooling circulation path is connected with an upper part of the inner cistern through a circulation pump(31) and an evaporator part of the refrigerator. One end of a cold water supply path(40) is connected with the lower part of the inner cistern and the other end of a cold water supply path is connected with a supply unit(S) and a cooling unit(A) through a booster pump(41). One end of a cooling return path(140) is connected with each cooling unit and the other end of a cooling return path is connected with the upper part of the inner cistern. One end of a hot water supply path(50) is connected with the cold water supply path and the other end of a hot water supply path is connected with the supply unit and a heating unit(H) through a heat return unit of a waste water (100), a condense part of the refrigerator, a circulation pump(51), and hot water tank(80). One end of a heating return path(60) is connected with each heating unit and the other end of a heating return path is connected with a regenerative tank(90) connecting with the hot water tank, and a hot water supply path through a circulation pump(61). And, one end of waste hot water exhaust path(70) is connected with each supply unit and the other end of waste hot water exhaust path is connected with an outer drain through the heat return unit of the waste water.

Description

아파트 급수 및 냉난방시스템{a cold-hot water supplying and air conditioning system for a apartment} Cold-hot water supplying and air conditioning system for a apartment

도 1은 본 발명의 한 실시예의 구성도1 is a block diagram of an embodiment of the present invention

도 2는 동 실시예의 냉동기 부위의 확대도2 is an enlarged view of a freezer portion of the embodiment;

* 도면 부호중 주요 부분에 대한 부호 설명 *Explanation of symbols on major parts of drawing symbols

10 : 수조 20 : 냉동기10: tank 20: freezer

21 : 압축기 22 : 응축기21 compressor 22 condenser

23 : 팽창밸브 24 : 증발기23 expansion valve 24 evaporator

30 : 냉각순환유로 31 : 순환펌프30: cooling circulation passage 31: circulation pump

40 : 냉수공급유로 41 : 부스터펌프40: cold water supply passage 41: booster pump

50 : 온수공급유로 51 : 순환펌프50: hot water supply flow path 51: circulation pump

60 : 난방회수유로 61 : 순환펌프60: heating recovery flow path 61: circulation pump

70 : 폐온수배출유로 80 : 온수탱크70: waste hot water discharge flow path 80: hot water tank

90 : 축열탱크 100 : 폐수열회수기90: heat storage tank 100: waste water heat recovery

110 : 열량계 140 : 냉방회수유로110: calorimeter 140: cooling recovery passage

E : 증발부 C : 응축부E: evaporation part C: condensation part

S : 급수유니트 H : 난방유니트S: Water supply unit H: Heating unit

A : 냉방유니트 A: Cooling Unit

본 발명은 다수의 가구가 함께 거주하는 공동주택인 아파트(apartment)의 각 가구에 대한 냉수, 온수의 공급 및 난방과 냉방을 보다 효율적으로 할 수 있도록 하는 아파트 급수 및 냉난방 시스템에 관한 것으로, 더 자세하게는 원수를 냉동기의 증발부 및 응축부를 통해 냉각 및 가열하여 냉수 및 온수를 공급할 수 있도록 하는 동시에 냉방 및 난방을 수행할 수 있도록 하고, 폐온수의 열을 회수하여 에너지를 절감할 수 있도록 한 것에 관한 것이다.The present invention relates to an apartment water supply and heating and cooling system for more efficient cold water, hot water supply and heating and cooling for each household of an apartment, which is a multi-family apartment. Cooling and heating of the raw water through the evaporator and condensation of the freezer to supply cold water and hot water, at the same time to perform cooling and heating, and to recover the heat of the waste hot water to save energy will be.

일반적으로 다수의 가구가 동시에 거주하는 아파트에서는 개별난방 시스템을 많이 적용하고 있는 실정인 바, 개별난방 시스템에서는 상수만이 각 가구에 공급되므로 각 가구마다 별도의 보일러로 상수를 가열함으로써 얻어진 온수를 욕실이나 주방 등에 공급하는 동시에 난방수로도 사용하게 된다.In general, apartments where many households are living at the same time have applied a large number of individual heating systems. In the individual heating system, only water is supplied to each household. It is also used as heating water at the same time as being supplied to kitchens and kitchens.

그런데 종래에 있어서 위와 같은 개별난방 시스템이 적용되는 아파트의 욕실이나 주방 등에서 사용한 온수는 그대로 버려지게 되므로 폐온수에 잔류하는 귀중한 에너지가 낭비되는 문제가 있었고, 또한 각 가구마다 상수보다 차가운 냉수가 공급되지 않기 때문에 냉수를 사용할 수 없게 됨은 물론 냉방을 위해서는 별도의 에어컨디셔너를 구비하여야 하는 문제가 있었다.However, in the related art, hot water used in a bathroom or a kitchen of an apartment to which the above individual heating system is applied is discarded as it is, so there is a problem in that valuable energy remaining in the waste hot water is wasted. Not to be able to use the cold water as well as the cooling has had a problem to provide a separate air conditioner.

본 발명은 상기와 같은 종래의 실정을 감안하여 안출한 것이며, 그 목적이 아파트의 각 가구에서 버려지는 폐온수의 에너지를 회수하여 재사용할 수 있도록 함으로써 에너지를 절감할 수 있도록 하고, 각 가구에 대하여 상수보다 차가운 냉수를 공급할 수 있도록 함은 물론 냉방을 수행할 수 있도록 하는 아파트 급수 및 냉난방시스템을 제공하는 데에 있는 것이다.The present invention has been made in view of the conventional situation as described above, the object of which is to save energy by allowing the energy of the waste hot water discarded in each apartment of the apartment to be recovered and reused, for each household It is to provide an apartment water supply and heating and cooling system that enables cooling and cooling as well as cooling.

본 발명은 상기의 목적을 달성하기 위하여 압축기와 증발기, 팽창밸브, 응축기를 포함하는 냉동기를 구비하여 저온의 증발부를 통해 상수를 냉각할 수 있도록 하고, 고온의 응축부를 통해 상수를 가열할 수 있도록 하는 한편, 냉동기의 증발부 및 응축부를 통해 생성된 냉수와 온수를 각 가구에 급수하는 동시에 각 가구에 대한 냉난방에 활용할 수 있도록 하는 것을 특징으로 하며, 이하 그 구체적인 기술내용을 첨부도면에 의거하여 더욱 자세히 설명하면 다음과 같다.The present invention is provided with a refrigerator including a compressor, an evaporator, an expansion valve, and a condenser to achieve the above object to cool the constant through the low temperature evaporator, and to heat the constant through the high temperature condensation unit On the other hand, it is characterized in that the cold water and hot water generated through the evaporator and the condensation unit of the refrigerator to be used for cooling and heating for each furniture at the same time, according to the specific technical details according to the accompanying drawings The explanation is as follows.

즉, 도 1에는 본 발명의 한 실시예의 구성도가 도시되어 있고, 도 2에는 동 실시예의 냉동기 부위의 확대도가 도시되어 있는 바, 본 발명의 아파트 급수 및 냉난방시스템은 That is, Figure 1 is a block diagram of an embodiment of the present invention, Figure 2 is an enlarged view of the refrigerator portion of the embodiment, bar water supply and heating system of the present invention is

일정수위의 상수가 충전되는 수조(10); Water tank 10 is filled with a constant constant water level;

압축기(21)와 응축기(22), 팽창밸브(23), 증발기(24)를 포함하는 냉동기(20); A refrigerator 20 including a compressor 21, a condenser 22, an expansion valve 23, and an evaporator 24;

일단부가 상기 수조(10)의 내부 하부에 접속되고 타단부가 상기 냉동기(20)의 증발부(E) 및 순환펌프(31)를 거쳐 수조(10)의 내부 상부에 접속되는 냉각순환 유로(30); Cooling circulation flow path 30, one end of which is connected to the inner lower part of the water tank 10, and the other end of which is connected to the inner upper part of the water tank 10 via the evaporator E and the circulation pump 31 of the refrigerator 20. );

일단부가 상기 수조(10)의 내부 일측에 접속되고 타단부가 부스터펌프(41)를 거쳐 각 가구의 급수유니트(S) 및 냉방유니트(A)에 접속되는 냉수공급유로(40);A cold water supply passage 40 having one end connected to an inner side of the water tank 10 and the other end connected to a water supply unit S and an cooling unit A of each household via a booster pump 41;

일단부가 각 냉방유니트(A)에 접속되고 타단부가 수조(10)의 내부 상부에 접속되는 냉방회수유로(140); A cooling recovery flow passage 140 having one end connected to each cooling unit A and the other end connected to an inner upper portion of the water tank 10;

일단부가 상기 냉수공급유로(40)에 접속되고 타단부가 폐수열회수기(100) 및 상기 냉동기(20)의 응축부(C), 순환펌프(51), 온수탱크(80)를 거쳐 각 가구의 급수유니트(S) 및 난방유니트(H)에 접속되는 온수공급유로(50); One end is connected to the cold water supply passage 40, and the other end is supplied to each household via the waste water heat recovery device 100 and the condensation unit C, the circulation pump 51, and the hot water tank 80 of the freezer 20. A hot water supply passage 50 connected to the unit S and the heating unit H;

일단부가 상기 각 난방유니트(H)에 접속되고 타단부가 순환펌프(61)를 거쳐 온수탱크(80)와 접속된 축열탱크(90) 및 온수공급유로(50)에 접속되는 난방회수유로(60); Heating recovery passage 60 having one end connected to each of the heating units H and the other end connected to the heat storage tank 90 and the hot water supply passage 50 connected to the hot water tank 80 via the circulation pump 61. );

일단부가 상기 각 급수유니트(S)에 접속되고 타단부가 폐수열회수기(100)를 거쳐 외부 하수구에 접속되는 폐온수배출유로(70);를 구비하여서 되는 것이다.And a waste hot water discharge passage 70 whose one end is connected to each of the water supply units S and the other end is connected to an external sewer via the waste water heat recovery device 100.

도시된 실시예는 각 난방유니트(H) 및 냉방유니트(A)에 열량계(110)를 설치한 형태를 가지며, 도면부호중 미설명부호 120은 상수급수유로이다.The illustrated embodiment has a form in which the calorimeter 110 is installed in each heating unit H and the cooling unit A, and reference numeral 120 in the drawing denotes a constant water supply channel.

상기와 같이 구성된 본 발명에 있어서는 수조(10)에서 인출된 물을 냉동기(20)의 증발부(E)를 거쳐 다시 수조(10)로 순환시키는 냉각순환유로(30)를 통해 수조(10)에 충전된 물을 냉각시킬 수 있게 되고, 냉각순환유로(30)를 통해 냉각시킨 수조(10)의 물을 부스터펌프(41)를 포함하는 냉수공급유로(40)를 통해 각 가구의 급수유니트(S)에 공급할 수 있게 되므로 각 가정에서 상수보다 차가운 냉수를 사용 할 수 있게 되며, 냉수공급유로(40)와 냉방회수유로(140)를 통해 냉수를 각 가구마다에 설비되는 냉방유니트(A)에 순환시키게 되면 각 가구에 대한 냉방을 수행할 수 있게 된다.In the present invention configured as described above in the water tank 10 through the cooling circulation passage 30 for circulating the water drawn out from the water tank 10 back to the water tank 10 via the evaporator (E) of the freezer (20). It is possible to cool the filled water, and the water supply unit (S) of each household through the cold water supply passage 40 including the booster pump 41 to the water of the water tank 10 cooled through the cooling circulation passage (30) Since it is possible to supply the cold water than the constant in each home can be supplied to the cold water, through the cold water supply passage 40 and the cooling recovery flow path 140 to circulate the cold water in the cooling unit (A) installed in each household This will allow cooling of each household.

또한 본 발명에 있어서는 부스터펌프(41)를 통해 인출되는 수조(10) 내부의 물을 폐수열회수기(100)를 거쳐 냉동기(20)의 응축부(C)로 유도하여 가열한 후 순환펌프(51)를 통해 온수탱크(80)로 공급하고 온수탱크(80)의 물을 각 가구의 급수유니트(S)에 공급함으로써 각 가정에서 상수보다 뜨거운 온수를 사용할 수 있게 되며, 온수탱크(80)에서 공급되는 온수를 난방유니트(H)에 공급하고 난방회수유로(60)와 축열탱크(90) 또는 난방회수유로(60)와 응축부(C)를 거쳐 온수탱크(80)로 순환시키게 되면 각 가구에 대한 난방을 수행할 수 있게 된다.In addition, in the present invention, the water in the water tank 10 drawn out through the booster pump 41 is led to the condensation unit C of the refrigerator 20 via the wastewater heat recovery unit 100 and heated, and then the circulation pump 51. By supplying to the hot water tank 80 through and supplying the water from the hot water tank 80 to the water supply unit (S) of each household, it is possible to use hot water hotter than the constant water in each home, which is supplied from the hot water tank (80) When hot water is supplied to the heating unit (H) and circulated to the hot water tank (80) through the heating recovery passage (60) and the heat storage tank (90) or the heating recovery passage (60) and the condensation unit (C), Heating can be performed.

한편 본 발명에 있어서 각 가구에서 사용한 폐온수는 폐온수배출유로(70)를 통해 외부로 배출되는 바, 폐온수배출유로(70)로 상에 설치된 폐수열회수기(100)에서 폐온수에 잔류하는 열에너지를 수조(10)에서 인출되어 냉동기(20) 응축부(C)로 이동되는 차가운 물을 가열하는 데에 사용함으로써 에너지의 낭비를 저감할 수 있게 된다.Meanwhile, in the present invention, the waste hot water used in each household is discharged to the outside through the waste hot water discharge passage 70, and thermal energy remaining in the waste hot water in the waste water heat recovery system 100 installed on the waste hot water discharge passage 70. It is possible to reduce the waste of energy by using it to heat the cold water drawn out from the water tank 10 and moved to the condenser C of the refrigerator 20.

본 발명은 공동주택인 아파트뿐만 아니라 주상복합건물이나 호텔, 여관, 그리고 일반 상가 건물 등에도 적용될 수 있음은 물론이다. The present invention can be applied not only to apartments which are apartment houses but also to residential complexes, hotels, inns, and general mall buildings.

이상에서 설명한 바와 같이 본 발명은 수조(10)와 냉동기(20), 냉각순환유로(30), 냉수공급유로(40), 냉방회수유로(140), 온수공급유로(50), 난방회수유로 (60), 폐온수배출유로(70)를 구비하여 수조(10)내의 물을 냉동기(20)의 증발부(E)를 통해 냉각하여 각 가구에 대한 냉수공급 및 냉방을 수행할 수 있도록 하는 한편, 수조(10) 내의 물을 폐수열회수기(100) 및 냉동기(20)의 응축부(C)를 통해 가열하여 각 가구에 대한 온수공급 및 난방을 수행할 수 있도록 한 것으로, 본 발명에 의하면 다수의 가구가 동시에 거주하는 아파트의 각 가구에 상수보다 높은 온도의 온수는 물론 상수보다 낮은 온도의 냉수를 공급할 수 있게 되며, 온수를 통한 난방은 물론 냉수를 통한 냉방을 수행할 수 있게 되고, 각 가구에서 배출되는 폐온수에 잔류하는 열에너지를 다시 회수하여 재사용함으로써 에너지의 낭비를 최소화할 수 있게 되는 등의 효과를 얻을 수 있다.As described above, the present invention provides a water tank 10, a refrigerator 20, a cooling circulation passage 30, a cold water supply passage 40, a cooling recovery passage 140, a hot water supply passage 50, and a heating recovery passage ( 60), the waste hot water discharge passage 70 is provided to cool the water in the water tank 10 through the evaporator E of the refrigerator 20 so as to perform cold water supply and cooling for each household, The water in the water tank (10) is heated through the condensation unit (C) of the waste water heat recovery machine (100) and the freezer (20) to perform hot water supply and heating for each household, according to the present invention It is possible to supply not only hot water with a higher temperature than the constant temperature but also cold water with a lower temperature than the constant temperature to each household in the apartment where the apartment resides at the same time. Recover and re-heat thermal energy remaining in waste hot water By effect it can be obtained such as being able to minimize the waste of energy.

Claims (2)

일정수위의 상수가 충전되는 수조(10);Water tank 10 is filled with a constant constant water level; 압축기(21)와 응축기(22), 팽창밸브(23), 증발기(24)를 포함하는 냉동기(20);A refrigerator 20 including a compressor 21, a condenser 22, an expansion valve 23, and an evaporator 24; 일단부가 상기 수조(10)의 내부 하부에 접속되고 타단부가 상기 냉동기(20)의 증발부(E) 및 순환펌프(31)를 거쳐 수조(10)의 내부 상부에 접속되는 냉각순환유로(30);Cooling circulation passage 30 having one end connected to the inner lower portion of the water tank 10 and the other end connected to the upper portion of the water tank 10 via the evaporator E and the circulation pump 31 of the refrigerator 20. ); 일단부가 상기 수조(10)의 내부 일측에 접속되고 타단부가 부스터펌프(41)를 거쳐 각 가구의 급수유니트(S) 및 냉방유니트(A)에 접속되는 냉수공급유로(40);A cold water supply passage 40 having one end connected to an inner side of the water tank 10 and the other end connected to a water supply unit S and an cooling unit A of each household via a booster pump 41; 일단부가 각 냉방유니트(A)에 접속되고 타단부가 수조(10)의 내부 상부에 접속되는 냉방회수유로(140);A cooling recovery flow passage 140 having one end connected to each cooling unit A and the other end connected to an inner upper portion of the water tank 10; 일단부가 상기 냉수공급유로(40)에 접속되고 타단부가 폐수열회수기(100) 및 상기 냉동기(20)의 응축부(C), 순환펌프(51), 온수탱크(80)를 거쳐 각 가구의 급수유니트(S) 및 난방유니트(H)에 접속되는 온수공급유로(50);One end is connected to the cold water supply passage 40, and the other end is supplied to each household via the waste water heat recovery device 100 and the condensation unit C, the circulation pump 51, and the hot water tank 80 of the freezer 20. A hot water supply passage 50 connected to the unit S and the heating unit H; 일단부가 상기 각 난방유니트(H)에 접속되고 타단부가 순환펌프(61)를 거쳐 온수탱크(80)와 접속된 축열탱크(90) 및 온수공급유로(50)에 접속되는 난방회수유로(60);Heating recovery passage 60 having one end connected to each of the heating units H and the other end connected to the heat storage tank 90 and the hot water supply passage 50 connected to the hot water tank 80 via the circulation pump 61. ); 일단부가 상기 각 급수유니트(S)에 접속되고 타단부가 폐수열회수기(100)를 거쳐 외부 하수구에 접속되는 폐온수배출유로(70);를 구비하는 것을 특징으로 하는 아파트 급수 및 냉난방시스템.Apartment water supply and heating system characterized in that it comprises ;; a waste hot water discharge passage 70, one end of which is connected to each water supply unit (S) and the other end of which is connected to an external sewer via a waste water heat recovery device (100). 제1항에 있어서, 각 난방유니트(H) 및 냉방유니트(A)에 열량계(110)를 설치한 것을 특징으로 하는 아파트 급수 및 냉난방시스템.The water supply and heating system for an apartment according to claim 1, wherein a calorimeter (110) is provided in each heating unit (H) and the cooling unit (A).
KR1020050091910A 2005-09-30 2005-09-30 A cold-hot water supplying and air conditioning system for a apartment KR100661190B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104296407A (en) * 2014-10-11 2015-01-21 金国达科技（湖南）有限公司 Refrigerating, compressing and condensing unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56146942A (en) * 1980-04-15 1981-11-14 Mitsubishi Electric Corp Air conditioner
KR20030053986A (en) * 2001-12-24 2003-07-02 주식회사 세기센추리 Heat Pump Unit using Waste Heat
JP2004340419A (en) * 2003-05-13 2004-12-02 Denso Corp Heat pump type water-heater
KR200373990Y1 (en) * 2004-10-19 2005-01-21 정방균 Apparatus for collecting heat of waste water using refrigerating machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56146942A (en) * 1980-04-15 1981-11-14 Mitsubishi Electric Corp Air conditioner
KR20030053986A (en) * 2001-12-24 2003-07-02 주식회사 세기센추리 Heat Pump Unit using Waste Heat
JP2004340419A (en) * 2003-05-13 2004-12-02 Denso Corp Heat pump type water-heater
KR200373990Y1 (en) * 2004-10-19 2005-01-21 정방균 Apparatus for collecting heat of waste water using refrigerating machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104296407A (en) * 2014-10-11 2015-01-21 金国达科技（湖南）有限公司 Refrigerating, compressing and condensing unit

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