KR100887280B1 - Reuse equipment of waste thermal energy by use of heat pump in high concentration waste water treatment plant - Google Patents

Reuse equipment of waste thermal energy by use of heat pump in high concentration waste water treatment plant Download PDF

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KR100887280B1
KR100887280B1 KR1020070104345A KR20070104345A KR100887280B1 KR 100887280 B1 KR100887280 B1 KR 100887280B1 KR 1020070104345 A KR1020070104345 A KR 1020070104345A KR 20070104345 A KR20070104345 A KR 20070104345A KR 100887280 B1 KR100887280 B1 KR 100887280B1
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South Korea
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heat
refrigerant
air
coil
pressure
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KR1020070104345A
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Korean (ko)
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엄태경
이충원
박상수
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(주)범한엔지니어링 종합건축사 사무소
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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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

Abstract

A waste heat recycling apparatus for high concentration wastewater treatment plant is provided to collect the thermal energy of exhaust air using refrigerant and generate high temperature water or gas with the thermal energy. A waste heat recycling apparatus for high concentration wastewater treatment plant comprises a heat pump(1) comprising a closed circuit with a cooling coil(1-4), a compressor(1-1), a heat radiation coil(1-2), and an expansion valve(1-3) and using carbon dioxide as refrigerant; a heat absorbing unit comprising the cooling coil and a pressure cooling chamber(5) and absorbing the heat from high temperature compressed air leaving a blower(3) through insulation-expansion of the refrigerant compressed in the compressor of the heat pump so that the compressed air is cooled; a radiation unit comprising the heat radiation coil and a pressure heating chamber(10), passing the compressed and heated refrigerant through the heat dissipation coil, and passing the water through the pressure heating chamber so that the water is heated over 90°C with the high temperature heat radiation coil; a bioreactor(8) which is supplied with the compressed air cooled to the room temperature in the pressure cooling chamber; and a hot water supply apparatus(14) or a hot water boiler(15) supplying the warm water heated in the radiation unit through the connection pipe.

Description

히트펌프를 이용한 고농도폐수처리장의 폐열 재이용장치{Reuse equipment of waste thermal energy by use of heat pump in high concentration waste water treatment plant.}Reuse equipment of waste thermal energy by use of heat pump in high concentration waste water treatment plant.

본 발명은 고농도 폐수처리장, 축산폐수처리장, 분뇨처리장 등에서 생물반응조에 공기를 공급하는 송풍기의 토출 측 공기가 가진 고온의 공기를 냉각시키고, 그 열에너지를 히트펌프로 회수하여 유용하게 재이용하는 것에 관한 기술이다.The present invention relates to a technique for cooling high temperature air of the discharge side air of a blower for supplying air to a bioreactor in a high concentration wastewater treatment plant, livestock wastewater treatment plant, and manure treatment plant, and recovering the thermal energy with a heat pump for reuse. to be.

본 발명은 고농도폐수처리장의 송풍기에서 발생하는 고온의 공기를 냉각시키고, 그 열에너지를 히트펌프로 회수하여 유용하게 재이용하는 것에 관한 기술이다.The present invention relates to a technique for cooling high temperature air generated in a blower of a high concentration wastewater treatment plant, recovering its thermal energy with a heat pump, and reusing it usefully.

축산폐수 등 고농도 폐수처리장의 생물 반응조는 축산폐수중의 유기물과 질소 인등의 염양염류를 제거하는 공정인데 이 공정의 운전에는 공기가 필요하여 송풍기에서 공기를 압축하여 산기관을 통하여 폐수 중에 공급한다.Biological reactors in high concentration wastewater treatment plants such as livestock wastewater remove organic salts and salt salts such as nitrogen and phosphorus in livestock wastewater. The operation of this process requires air, and the air is compressed by a blower and supplied to the wastewater through an acid pipe.

고농도 폐수처리장의 생물 반응조는 일반적으로 수리학적 체류시간이 10∼30일로 길어서 폐수가 생물 반응조에 체류하는 기간이 매우 길다.The bioreactor in the high concentration wastewater treatment plant generally has a long hydraulic residence time of 10-30 days, so the wastewater stays in the bioreactor for a long time.

생물 반응조는 물 깊이가 보통 5m정도인데 이런 물깊이에 공기를 공급하기 위하여서는 송풍기에서 수압보다 높은 압력으로 공기를 압축하여 공급하여야 하고 , 송풍기에서 단열 압축으로 압축된 공기는 계절적으로 약간의 변동이 있지만 80∼90℃로 가열된다.The bioreactor has a water depth of about 5m, and in order to supply air to the water depth, it is necessary to compress air from the blower at a pressure higher than the water pressure, and the air compressed by the adiabatic compression in the blower does not change slightly seasonally. Although heated to 80-90 ℃.

이러한 고온의 압축 공기가 생물 반응조에 공급되면 이 압축공기가 가진 열에너지가 생물반응조의 폐수에 전달되어 기온이 높은 하절기에는 폐수의 온도가 40℃이상으로 상승하여, 생물학적 처리의 적정온도인 25℃보다 높아지고, 생물학적 처리의 저해온도인 38℃를 초과하게 되어서 폐수처리의 효율이 저하하고 처리 수질이 악화되며, 거품이 다량 발생하는 등 여러 가지 문제를 야기한다.When such high temperature compressed air is supplied to the bioreactor, the thermal energy of the compressed air is transferred to the wastewater of the bioreactor and the temperature of the wastewater rises above 40 ° C in the summer when the temperature is high, and it is higher than the optimum temperature of 25 ° C for biological treatment. It becomes higher and exceeds the inhibition temperature of biological treatment, 38 ° C., which causes various problems such as deterioration of the efficiency of wastewater treatment, deterioration of treated water quality, and generation of large amounts of foam.

송풍기의 효율은 60％정도로서, 100 kwh의 용량을 가진 송풍기라면 약 40kwh 의 전력에 해당하는 막대한 열에너지가 발생한다.The efficiency of the blower is about 60%, and a blower with a capacity of 100 kwh generates enormous thermal energy corresponding to a power of about 40 kwh.

이와 같이 송풍기의 토출 공기가 가진 막대한 양의 열에너지는 고농도 폐수 처리장에서는 공정의 효율성이나 안정적 운전에 매우 해로운 것으로 반드시 제거할 필요가 있는 것이다.As such, the enormous amount of thermal energy of the discharged air of the blower is very detrimental to the efficiency and stable operation of the wastewater treatment plant, and must be removed.

이런 문제를 해결하기 위하여 원시적 방법으로는 송풍배관에 물을 뿌리기도 하고, 기계적으로 전력을 이용한 냉각기를 사용하여 공기의 온도를 낮추어서 생물 반응조의 온도를 적정 수준으로 유지하기도 하는데, 고가의 냉각장비가 필요하고 다량의 에너지를 투입하여 공기를 냉각시키기만 할뿐 투입된 에너지와 공기가 지니고 있던 열에너지를 그대로 버리기 때문에 매우 비효율적이고 비경제적이었다.In order to solve this problem, primitive methods are to spray water on the blower pipe, and to keep the temperature of the bioreactor at an appropriate level by lowering the temperature of the air by using a mechanically powered electric cooler. It was very inefficient and uneconomical because it only needed to cool the air by inputting a large amount of energy and discarded the input energy and the thermal energy of the air.

따라서 송풍기 토출 측의 압축공기가 가진 열에너지를 효과적으로 회수하여 재이용하여야 할 필요가 대두 되었다.Therefore, there is a need to effectively recover and reuse the thermal energy of the compressed air on the discharge side of the blower.

본 발명의 과제는 탄산가스를 냉매로 사용하는 히트펌프를 이용하여 흡열부에서는 송풍기의 토출 공기가 가진 열에너지를 회수하여 송풍기 토출 공기 온도를 낮추어 생물 반응조를 안정적으로 유지하고, 방열부에서는 냉매가 가진 고온을 방열하면서, 고온의 온수나 고온의 공기를 생산하여 이것을 급탕, 난방, 슬러지건조, 지렁이 사육 등에 유용하게 사용하게 하는 히트펌프를 이용한 고농도 폐수처리장의 폐열 재이용장치를 구성하는 것이다.An object of the present invention is to recover the thermal energy of the discharge air of the blower in the heat absorbing portion by using a heat pump using carbon dioxide gas as a refrigerant to lower the blower discharge air temperature to maintain the bioreactor stable, the refrigerant in the heat radiating portion While dissipating high temperature, high temperature hot water or high temperature air is produced and the waste heat recycling apparatus of the high concentration wastewater treatment plant using a heat pump which makes it useful for hot water supply, heating, sludge drying, and earthworm breeding.

본 발명은 탄산가스를 냉매로 사용하는 히트펌프에 있어서, 냉각코일(1-4)과 압력 냉각통(5)로 흡열부를 구성하고 , 냉매를 고압으로 압축하는 압축기(1-1, 방열코일(1-2)과 압력 가열통(10)으로 방열부를 구성하고 , 팽창밸브(1-3)을 폐회로로 연결하여 히트 펌프를 구성하고;According to the present invention, in a heat pump using carbon dioxide gas as a refrigerant, a heat absorbing portion is constituted by a cooling coil (1-4) and a pressure cooling cylinder (5), and a compressor (1-1, a heat radiating coil (1) for compressing the refrigerant to a high pressure. A heat dissipation part with 1-2) and a pressure heating tube 10, and connecting the expansion valve 1-3 with a closed circuit to configure a heat pump;

흡열부에서는 송풍기(3)의 토출 공기를 통과시키면서 송풍기 토출 공기의 열에너지를 회수하여 송풍기 토출 공기의 온도를 낮추어 생물반응조의 온도를 적정하게 유지하고 , 방열부에는 물 또는 공기를 통과시키면서, 냉매가 가진 고온의 열에너지로 물이나 공기를 가열하여 고온의 온수나 고온의 공기를 생산하여 급탕등에 유용하게 사용할 수 있게 하였다.The heat absorbing portion recovers the thermal energy of the blower discharge air while passing the discharge air of the blower 3, lowers the temperature of the blower discharge air, maintains the temperature of the bioreactor properly, and passes the water or air through the heat radiating portion, By heating water or air with high temperature thermal energy, high temperature hot water or high temperature air can be produced and used for hot water supply.

본 발명은, 고농도 폐수처리장에서 송풍기 토출 공기가 가지고 있는 불필요한 다량의 열에너지를 탄산가스를 이용한 냉매를 사용하여 회수하고, 이 회수한 열 에너지로 고온의 온수나 가스를 발생하여 급탕, 난방, 슬러지 건조 등 다양한 용도로 이용하며, 히트펌프의 특성상 회수한 열에너지 량에 대하여 1/3∼1/5의 전력에너지만 공급하면 되기 때문에 매우 경제적이며, 냉각된 공기를 생물 반응조에 공급함으로서, 생물 반응조를 적정한 온도로 유지할 수 있고, 수 처리효율을 높여서, 처리수질을 향상시킬 수 있을 뿐만이 아니라 거시적으로는 에너지 절약에 의한 탄산가스 발생량 저감 및 지구 온난화 방지에도 기여하는 효과가 있다.The present invention recovers an unnecessary amount of thermal energy possessed by a blower discharge air in a high concentration wastewater treatment plant by using a refrigerant using carbonic acid gas, and generates hot water or gas at high temperature using the recovered thermal energy to supply hot water, heating, and sludge drying. It is very economical because only 1/3 to 1/5 of the power energy needs to be supplied with respect to the amount of heat energy recovered due to the characteristics of the heat pump, and by supplying the cooled air to the biological reactor, The temperature can be maintained, the water treatment efficiency can be improved, and the quality of the treated water can be improved. In addition, the carbon dioxide gas can be reduced and the global warming can be prevented by energy saving.

본 발명을 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

탄산가스를 냉매로 사용하고, 냉각코일(1-4)와 압축기(1-1), 방열코일(1-2), 팽창밸브(1-3)으로 구성한 히트펌프(1)에 있어서,In the heat pump (1) consisting of a cooling coil (1-4), a compressor (1-1), a heat radiation coil (1-2), and an expansion valve (1-3), using carbon dioxide gas as a refrigerant,

냉각코일(1-4)는 압력 냉각통(5)내를 관통하게 일체로 형성하여 흡열부를 구성하고, 압력 냉각통(5)의 입구 쪽에는 송풍기의 토출배관(4)와 연결하고 , 출구 쪽에는 공기배관(7)을 연결하고, 이 공기배관(7)은 생물 반응조(8)내에 설치한 산기장치(9)에 연결하였다.The cooling coils 1-4 are integrally formed to penetrate the inside of the pressure cooling cylinder 5 to form a heat absorbing portion. The cooling coils 1-4 are connected to the discharge pipe 4 of the blower at the inlet side of the pressure cooling cylinder 5, and at the outlet side. Connected an air pipe (7), which was connected to an air diffuser (9) installed in the biological reactor (8).

방열코일(1-2)는 압력 가열통(10)내를 관통하게 일체로 형성하여 방열부를 구성하고, 압력 가열통(10)의 입구에는 급수 구를 가진 순환펌프(11)에서 공급된 물이 순환배관(12)를 통하여 유입되게 하고, 출구 쪽에는 유출배관(13)이 급탕조(14) 또는 온수 난방기(15) 또는 지렁이 사육실(16)의 가온용 배관에 연결하고, 이 배관은 순환펌프(11)의 입구측에 연결하여 폐회로를 구성하였다.The heat dissipation coil (1-2) is integrally formed to penetrate the inside of the pressure heating tube (10) to form a heat dissipation unit, and the water supplied from the circulation pump (11) having a water inlet is provided at the inlet of the pressure heating tube (10). The outlet pipe 13 is connected to the heating pipe of the hot water tank 14 or the hot water heater 15 or the earthworm breeding room 16 at the outlet side, and the pipe is connected to the circulation pump. It was connected to the inlet side of (11) to form a closed circuit.

가열 냉각통(5)의 하부에는 응축수 배수기(5-1)을 설치하였다.The condensate drain 5-1 was provided in the lower part of the heating cooling container 5.

송풍기(3)을 가동하여 공기를 압축하면, 공기는 단열 압축되어 압력이 높아짐과 동시에 온도가 높아지는데 축산폐수처리장과 같이 토출 공기 압력이 5,000mm∼6,000mmAq인 송풍기의 토출공기 온도는 80∼90℃ 정도이다.When the blower 3 is operated to compress the air, the air is adiabaticly compressed and the pressure increases and the temperature increases. The discharge air temperature of the blower with the discharge air pressure of 5,000 mm to 6,000 mmAq is 80 to 90, like the livestock wastewater treatment plant. It is about ℃.

이 고온의 압축공기는 토출배관(4)를 통하여 압력 냉각통(5)로 이송되고, 이 압력 냉각통(5)내에서 히트 펌프의 냉각코일(1-4)와 접촉한다.This high temperature compressed air is transferred to the pressure cooling cylinder 5 through the discharge piping 4, and contacts the cooling coil 1-4 of the heat pump in this pressure cooling cylinder 5.

히트펌프(1)이 가동되면, 히트펌프의 냉매인 탄산가스는 압축기(1-1)에서 약 100기압으로 압축되고, 온도는 130℃까지 상승한다.When the heat pump 1 is operated, the carbon dioxide gas, which is a refrigerant of the heat pump, is compressed to about 100 atm by the compressor 1-1, and the temperature rises to 130 ° C.

이 고온의 냉매는 방열코일(1-2)을 통과하고, 이 방열코일은 압력 가열통(10) 내에 있는 물과 접촉하여, 상온으로 냉각이 되고 , 압력 가열통(10)의 물은 90℃이상으로 가열된다.The high temperature refrigerant passes through the heat radiation coil 1-2, and the heat radiation coil is in contact with the water in the pressure heating vessel 10, cooled to room temperature, and the water in the pressure heating vessel 10 is 90 ° C. It is heated above.

냉각된 고압의 냉매는 팽창 밸브(1-3)에서 급격히 압력을 떨어뜨리는 단열 팽창을 하게하면, 냉매의 온도는 5℃까지 떨어지며, 냉각코일(1-4)를 통과하면서 압력 냉각통(5)내에 있는 고온의 압축공기로부터 열을 흡수하여 냉매의 온도는 상승하고, 압축공기는 열을 빼앗기면서 냉각이 되어 압축공기의 온도는 20℃까지 낮아진다.( 저하되는 압축공기의 온도는 냉각 코일(1-4)의 전열 면적을 조정하여 맞춘다)When the cooled high-pressure refrigerant causes adiabatic expansion that rapidly drops the pressure in the expansion valve (1-3), the temperature of the refrigerant drops to 5 ° C, and passes through the cooling coil (1-4) to the pressure cooling tube (5). The temperature of the refrigerant is increased by absorbing heat from the high-temperature compressed air in the inside, and the compressed air is cooled while losing heat, and the temperature of the compressed air is lowered to 20 ° C. Adjust the heat transfer area of -4)

이와 같은 동작이 계속하여 이루어지면서 송풍기(3)의 토출공기는 20℃로 냉각이 되어 생물 반응조(8)의 산기장치(9)로 공급하여 생물 반응조에 필요한 공기를 공급함으로서, 생물 반응조(8)의 수온이 과도하게 상승하는 것을 방지하고, 미생물이 증식하기에 알맞은 온도로 생물 반응조를 유지관리 할 수 있고 결과적으로 생물 반응조의 안정성과 수처리 효율을 높여서 처리수질을 향상시킨다.As the above operation continues, the discharged air of the blower 3 is cooled to 20 ° C. and supplied to the acid generator 9 of the bioreactor 8 to supply the air necessary for the bioreactor. It is possible to prevent excessive rise in the water temperature and to maintain the bioreactor at a temperature suitable for microbial growth, and consequently to improve the water quality by increasing the stability and water treatment efficiency of the bioreactor.

압력 가열통(10)에서 발생한 90℃이상의 온수는 급탕조(14)에 공급되어 샤워나 목욕 등에 이용하거나, 폐수 처리장 내 사무실 등 건축물의 온수난방 배관에 연결하여 난방용으로 사용하거나, 슬러지의 지렁이 분변토 생산을 위한 지렁이 사육을 할 경우 동절기에 사육실의 온도를 적정하게 유지하는데 이용할 수 있다.Hot water of 90 ° C. or higher generated in the pressure heating tube 10 is supplied to the hot water supply tank 14 to be used for showering or bathing, or to be connected to a hot water heating pipe of a building, such as an office in a wastewater treatment plant, for heating, or to make sludge earthworm feces. In the case of earthworm breeding for production, it can be used to keep the temperature of the breeding room in winter.

또 다른 이용 용도로서는 [도면2] 와 같이 압력 가열통(10)에 송풍 홴 (18)로 공기를 공급하여 이 공기를 100℃이상으로 가열하여, 이 뜨거운 공기(열풍)를 슬러지 건조기(19)의 열원으로 이용하거나 퇴비화실(20)의 동절기 온도 조절용으로 이용할 수 있다.As another use, as shown in [Fig. 2], air is supplied to the pressure heating tube 10 by the air blowing fan 18, and the air is heated to 100 ° C or higher, and the hot air (hot air) is sludge dryer 19. It can be used as a heat source or for controlling the winter temperature of the composting chamber 20.

특히 급탕용, 슬러지 건조기 등에의 이용은 1년 내내 활용할 수 있어서 매우 효과적인 이용으로 경제성이 가장 높다.In particular, the use of hot water, sludge dryers, etc. can be used all year round, so it is very effective and has the highest economic efficiency.

히트펌프란 냉매의 단열팽창을 이용하여 주변으로부터 열에너지를 흡수하고, 냉매 압축기로 고압으로 가압하여 냉매를 고온으로 만든 다음 , 방열부에서 외부의 액체나 공기로 냉매를 냉각시키면서 열 에너지를 방출하게 한 기계장치로서, 저온부의 열에너지를 고온부로 이동시키는 작용을 하는 것으로서, 낮은 곳의 물을 높은 곳으로 양수하는 펌프와 같다고 하여 히트 펌프라고 한 것이며 냉매의 물리적 현상을 이용하여 열에너지를 이동시키기 때문에 공기나 물을 직접 가열하거나 냉각시키는 것에 비하여, 1/3∼1/5의 적은 에너지만 필요하다.A heat pump absorbs thermal energy from the surroundings by using adiabatic expansion of the refrigerant, pressurizes it with a high pressure with a refrigerant compressor to make the refrigerant at a high temperature, and then radiates heat energy while cooling the refrigerant with external liquid or air at the heat radiating part. As a mechanical device, it acts to transfer the heat energy of the low temperature part to the high temperature part. It is called a heat pump because it is like a pump that pumps low water to a high part, and it moves air energy by using the physical phenomenon of the refrigerant. Compared to heating or cooling water directly, only 1/3 to 1/5 less energy is required.

탄산가스를 냉매로 사용하는 히트 펌프(1)를 이용하여 송풍기 토출 공기의 열에너지를 회수하여 재이용하는 본 발명의 장치는 열에너지 회수량의 1/3∼1/5의 적은 전력을 투입하여 열에너지를 회수하고, 회수한 열에너지로 물이나 공기를 고온으로 가열하여 재이용하고 있으므로, 폐열 에너지의 재이용이라는 에너지 절약효과와 경제성 및 폐수처리 효율 향상이라는 효과를 함께 가지고 있다.The apparatus of the present invention recovers and reuses the heat energy of the blower discharge air by using a heat pump 1 using carbon dioxide gas as a refrigerant to recover heat energy by inputting a power of 1/3 to 1/5 of the heat energy recovery amount. In addition, since water and air are heated and reused by the recovered thermal energy at high temperature, the energy saving effect of the reuse of waste heat energy, economical efficiency, and wastewater treatment efficiency are improved.

[도면1] 의 응축수 배수기(5-1)은 공기 냉각 과정에서 발생하는 응축수를 제거하기 위한 것이고 공기필터(2)와 홴 필터(17)은 공기중의 먼지등 이물질을 걸러서 장치의 오염을 방지하기 위한 것이다.The condensate drain 5-1 of FIG. 1 is for removing condensate generated in the air cooling process, and the air filter 2 and the filter 17 filter out foreign substances such as dust in the air to prevent contamination of the device. It is to.

도면 1 은 본 발명의 구성을 표시한 예시도.1 is an exemplary view showing a configuration of the present invention.

도면 2 는 본 발명의 다른 실시 예를 나타낸 예시도.2 is an exemplary view showing another embodiment of the present invention.

Claims (2)

생물 반응조를 가진 고농도 폐수처리장에 있어서,In the high concentration wastewater treatment plant with a biological reactor, 냉각코일, 압축기, 방열코일, 팽창밸브를 폐회로로 구성하고, 냉매는 탄산가스를 사용하는 히트펌프;A heat pump comprising a cooling coil, a compressor, a heat radiation coil, and an expansion valve in a closed circuit, and the refrigerant using carbon dioxide gas; 팽창된 냉매가 흐르는 냉각코일(1-4)과 압력 냉각통(5)으로 구성하고, 압력 냉각통에 송풍기(3)의 토출측에서 나오는 고온의 압축공기를 통과시키면서, 히트펌프(1)의 압축기(1-1)에서 압축된 냉매를 팽창밸브에서 단열팽창 시켜서, 온도가 저하된 냉매를 냉각코일을 통과하게 하여 압축공기로부터 열을 흡수하고, 압축공기를 냉각하는 흡열부;Compressor of heat pump 1 composed of cooling coils 1-4 and pressure cooling cylinder 5 through which expanded refrigerant flows, and passing compressed air having high temperature from the discharge side of blower 3 through the pressure cooling cylinder. An endothermic portion which thermally expands the refrigerant compressed in (1-1) by the expansion valve, allows the refrigerant having a lowered temperature to pass through the cooling coil, absorbs heat from the compressed air, and cools the compressed air; 압축기(1-1)에서 고압으로 압축된 냉매가 흐르는 방열코일(1-2)과 압력 가열통(10)으로 구성하고, 압축기에서 고압으로 단열압축하여 고온으로 된 냉매를 방열코일(1-2)로 통과시키면서, 순환펌프(11)로 압력 가열통(10)에 물을 통과시켜서, 고온의 방열코일로 물을 90℃이상으로 가열하는 방열부;It consists of a heat radiation coil (1-2) and a pressure heating tube (10) through which the refrigerant compressed at high pressure in the compressor (1-1) flows, and heat-insulates the refrigerant at a high temperature by high pressure in the compressor (1-2). A heat dissipation unit for passing water to the pressure heating tube 10 through the circulation pump 11 to heat the water to 90 ° C. or more with a high temperature heat dissipation coil; 압력 냉각통(5)에서 상온으로 냉각된 압축공기를 연결배관을 통하여 생물반응조의 산기장치(9)를 통과시켜서 포기를 하여 안정성을 높인 생물반응조(8);및Bioreactor (8) having a high stability by giving up the compressed air cooled to room temperature in the pressure-cooling vessel (5) by passing through the acid reactor (9) of the bioreactor through the connecting pipe; 방열부에서 가열된 온수를 연결배관을 통하여 공급하는 급탕조, 또는 온수 난방기로 구성하여 송풍기의 폐열을 재이용하게 한 것을 특징으로 하는 히트펌프를 이용한 고농도폐수처리장의 폐열 재이용 장치.An apparatus for recycling waste heat of a high concentration wastewater treatment plant using a heat pump, comprising: a hot water tank or a hot water heater configured to supply hot water heated by a heat radiating unit through a connecting pipe to reuse waste heat of a blower. 청구항1에 있어서, 압력 가열통(10)에 송풍 홴(18)으로 대기 중의 공기를 공급하여, 고온의 방열코일(1-2)로부터 공기에 열을 전달하여 공기를 가열해서, 연결배관을 통하여 슬러지 건조기 또는 퇴비화실에 공급함으로써, 송풍기의 폐열을 재이용하게 한 것을 특징으로 하는 히트펌프를 이용한 고농도폐수처리장의 폐열 재이용 장치.The air in the atmosphere is supplied to the pressure heating tube 10 by the air blowing fan 18, the heat is transferred to the air from the heat radiation coil 1-2 of the high temperature, and the air is heated, through the connecting pipe. An apparatus for recycling waste heat in a high concentration wastewater treatment plant using a heat pump, wherein the waste heat of the blower is reused by supplying it to a sludge dryer or a composting chamber.
KR1020070104345A 2007-10-17 2007-10-17 Reuse equipment of waste thermal energy by use of heat pump in high concentration waste water treatment plant KR100887280B1 (en)

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KR101444264B1 (en) * 2014-03-05 2014-09-26 김선철 Waste Water recycling system using constant temperature heat source tank
US10006646B2 (en) 2015-04-30 2018-06-26 Samsung Electronics Co., Ltd. Outdoor unit of air conditioner and control device for the outdoor unit
WO2019093575A1 (en) * 2017-11-09 2019-05-16 대한민국 (관리부서 : 환경부 국립환경과학원장) Waste heat recovery heating system of building

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JPH1192258A (en) * 1997-09-10 1999-04-06 Futakuchi Keizo Liquid-like livestock farming-based industrial waste treating apparatus
KR19980064936A (en) * 1998-06-08 1998-10-07 유인상 Organic waste treatment method using heat pump heat exchange and recycle air conditioning system
KR19990073128A (en) * 1999-05-26 1999-10-05 유인상 Organic waste treatment method using heat pump and recycling duct system
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KR101444264B1 (en) * 2014-03-05 2014-09-26 김선철 Waste Water recycling system using constant temperature heat source tank
US10006646B2 (en) 2015-04-30 2018-06-26 Samsung Electronics Co., Ltd. Outdoor unit of air conditioner and control device for the outdoor unit
WO2019093575A1 (en) * 2017-11-09 2019-05-16 대한민국 (관리부서 : 환경부 국립환경과학원장) Waste heat recovery heating system of building

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