KR20120021519A - Low temp hot water air conditioning & generating system - Google Patents

Low temp hot water air conditioning & generating system Download PDF

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Publication number
KR20120021519A
KR20120021519A KR1020100075560A KR20100075560A KR20120021519A KR 20120021519 A KR20120021519 A KR 20120021519A KR 1020100075560 A KR1020100075560 A KR 1020100075560A KR 20100075560 A KR20100075560 A KR 20100075560A KR 20120021519 A KR20120021519 A KR 20120021519A
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KR
South Korea
Prior art keywords
heat source
low temperature
water
cooling
heating
Prior art date
Application number
KR1020100075560A
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Korean (ko)
Inventor
장용기
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장용기
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Publication date
Application filed by 장용기 filed Critical 장용기
Priority to KR1020100075560A priority Critical patent/KR20120021519A/en
Publication of KR20120021519A publication Critical patent/KR20120021519A/en

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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
    • 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
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2501—Bypass 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

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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

PURPOSE: A cooling-and-heating using low temperature hot-water and a generating system are provided to reduce costs for an installation and maintenance because cooling is effectively proceed without an outdoor unit by using waste energy. CONSTITUTION: A cooling-and-heating using low temperature hot-water and a generating system comprises a heat source water circulating pump(10), a hot-water heat thermal storage tank(11), an auxiliary heat source selection valve(12), a bypass selection valve(13), an auxiliary heat source(14), a floor heating selection valve(15), a dehumidification cooling regenerative selection valve(16), a dehumidification cooling indoor unit(17), a floor heating coil(18), a low temperature hot-water generator(19), a generation selection valve(20), and a hot-water circulating pump(21). The heat source water circulating pump circulates the low temperature heat source water. The hot-water heat thermal storage tank stores the heat source water. The dehumidification cooling indoor unit comprises an indoor ventilator, a roll type dehumidification rotor, a sensible heat exchanger, an outdoor air inflow damper, a regenerative evaporative cooler, a supply fan, an air inlet, an air conditioner exhaust pipe, an outdoor air inlet, a regenerative heat source pipe, a regenerator, a exhaust fan, an exhaust pipe, and a control unit.

Description

LOW TEMP HOT WATER AIR CONDITIONING & GENERATING SYSTEM}

The present invention relates to a cooling and heating and power generation system using low temperature water, and in detail, can be easily obtained from solar, district heating, microgen, fuel cell, 60 ℃? If cooling is needed using low temperature water of 80 ℃, dehumidification cooling can be done.If heating is necessary, it can be heated by circulating hot water to indoor unit or floor and heating, and if cooling or heating is unnecessary or left, It starts air-conditioning and power generation system using low temperature water that can maximize utilization efficiency of low temperature water by operating generator.

The heat produced by cogeneration in Korea can meet the heating load in winter, but in the summer, the power load rises, while the heat load is little, so the operating rate of district heating decreases to less than 10%. In order to fully utilize the effect of the business, the large absorption type refrigerator developed to discover the summer heat demand cannot be used for hot water below 80 ℃, and the indoor unit must be installed separately, and the installation cost is high compared to the efficiency, and the small size is still developed. It is not.

On the other hand, in the case of solar heat, in the summer or spring and autumn, the collected hot water is radiated to the air. In Japan, a 10RT absorption chiller driven by 88 ° C of hot water is implemented. there is a problem.

Even when microcogen and fuel cell power generation generate a certain amount of waste heat 24 hours a day, they are discharged because they cannot be cooled by using low temperature water because of low temperature.

The present invention has been invented to solve the above problems, the present invention can be easily obtained in solar, district heating, micro cogen, fuel cell system 60 ℃? If cooling is necessary by using low temperature water of 80 ℃, dehumidification cooling can be done.If heating is needed, hot water can be circulated to the indoor unit or floor for heating, and if cooling or heating is not necessary or hot water is left It is an object of the present invention to provide a cooling and heating and power generation system using low temperature water, which is characterized by maximizing utilization efficiency of low temperature water by operating a generator using power generation.

An air-conditioning and power generation system using low temperature water according to the present invention includes a heat source water circulation pump for circulating low temperature heat source water; A hot water heat storage tank for storing heat source water; Auxiliary heat source selection valve; Bypass selector valve; Auxiliary heat source; Floor heating selection valve; Dehumidifier cooler regeneration selector valve; Dehumidification and cooling indoor unit; Floor heating coil; Low temperature water generator; Power generation selection valve; It is composed of a hot water circulation pump, the dehumidification cooling indoor unit, the indoor ventilation port; A roll dehumidifying rotor; Sensible heat exchanger; External air damper; Regenerative evaporative coolers; Air supply fan; Air supply port; External air inlet; Regenerative heat source piping; A regenerator; Exhaust fan; An exhaust port; It characterized in that it comprises a control means.

According to another preferred feature of the invention, the low temperature heat source water is any one selected from solar heat, district heating, micro cogen, fuel cell, the temperature of the heat source water is 60 ℃? 95 ° C.

According to another preferred feature of the present invention, the auxiliary heat source is any one selected from oil or gas boiler, air heat source heat pump, biomass boiler, geothermal heat pump, hydrothermal heat pump.

According to another preferred feature of the present invention, the generator is any one selected from vaporized oil screw turbine power generation, refrigerant turbine power generation, heat source temperature differential engine power generation, thermal power generation device power generation, LTPC engine power generation.

According to another preferred feature of the present invention, the sensible heat exchanger of the dehumidification cooling indoor unit is any one selected from heat pipe type, plate type, roll type and cylindrical shape.

The cooling and heating system using low temperature water according to the present invention is installed in various places such as solar heat, district heating, micro cogen, fuel cell, other waste heat, etc. Significantly reduced maintenance costs, lower power peaks in the summer, no fossil fuel, no carbon dioxide, and refrigerants use water, making it environmentally friendly. Not only can it greatly reduce, but because it is a dehumidifying cooling method, there are various advantages, such as low humidity and fresh air, which enables comfortable cooling.

Hereinafter, the configuration and operation of an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the following embodiments are merely provided to enable those skilled in the art to fully understand the present invention, and the scope of the present invention is not limited to the embodiments described below.

1 is a flowchart of a cooling and heating and power generation system using low temperature water according to the present invention.

As shown in Figure 1, the cooling and heating and power generation system using the low temperature water according to the present invention, the heat source water circulation pump 10, hot water storage tank 11, auxiliary heat source selection valve 12, bypass selection valve 13 , Auxiliary heat source 14, floor heating selector valve 15, dehumidification air conditioner regeneration selector valve 16, dehumidification air conditioner indoor unit 17, floor heating coil 18, low temperature water generator 19, power generation selector valve 20 ), And a hot water circulation pump 21, the dehumidification cooling indoor unit 17 is an indoor ventilation port 100, dehumidification rotor 101, sensible heat exchanger 102, air intake damper 103, regenerative evaporative air conditioner ( 104, air supply fan 105, air supply unit 106, air conditioner exhaust port 107, outdoor air inlet 108, regeneration heat source pipe 109, regenerator 110, exhaust fan 111, exhaust port 112 And control means 113.

Each part is demonstrated below.

The heat source water circulation pump 10 is a device for circulating the generated heat source water in the heat storage tank. The heat storage tank 11 needs to be stored because the solar heat is not clouded or collected at night, and in the case of microcogen or fuel cell power generation, since a certain amount of waste heat is generated continuously for 24 hours, the storage heat storage tank 11 is required. The auxiliary heat source selection valve 12 and the bypass tm selection valve 13 are operating means for heating the auxiliary heat source when the hot water supply temperature is 60 ° C. or less. The auxiliary heat source 14 is a heat source device for operating when the supply amount of the heat source water is insufficient or the temperature is 60 ° C or less. The floor heating selector valve 15 and the dehumidification air conditioner regeneration selector valve 16 are heating or cooling operation selection operating means. The dehumidifying air conditioner indoor unit (17) serves to cool indoor air necessary for cooling by using cold water, and the floor heating coil (18) is a radiant heating device, and the low temperature water generator (19) and the power generation selection valve (20). Is an apparatus means for generating power when no heating or cooling is required or the amount of hot water is left, and the hot water circulation pump 21 is a means for circulating low-temperature water required for cooling and heating or power generation.

The indoor ventilation device 100 of the dehumidifying air conditioner indoor unit 17 is an indoor air intake port, and the dehumidification rotor 101 serves to dehumidify the circulating air of medium temperature and high humidity to a high temperature and low humidity state, and the sensible heat exchanger 102 is a medium temperature and low humidity outdoor air. Heat exchange with high temperature and low temperature circulating air serves to change to a medium temperature and low humidity state, the outdoor air intake damper 103 is a device for introducing the minimum external air required for the room, the regenerative evaporative air conditioner 104 is a low temperature low humidity It is a means for supplying air indoors. The air supply fan 105 serves to circulate the indoor air through the air supply 106, and the air conditioner exhaust port 107 is a high temperature and humidity air outlet evaporated from the air conditioner 104. The outdoor air inlet 108 is a fresh air and dehumidification rotor 101 required for indoor regeneration of the outdoor air inlet, and the regeneration heat source pipe 109 supplies a heat source (low temperature water) required for the regenerator 110 for regenerating the dehumidification rotor. It is a pipe, and the regenerator 110 regenerates moisture adsorbed to the dehumidification rotor 101 as heat source water. The exhaust fan 111 and the exhaust port 112 discharge the outside air heated to high temperature and humidity during regeneration, and the control means 113 detects the state of the indoor suction air and controls all components to be automatically adjusted and operated.

Hereinafter, the cooling, heating, and power generation operation according to the present invention will be described.

As shown in FIG. 1, in the cooling operation, when the cooling operation is selected by the control means 113, the hot water circulation pump 21 is operated and the auxiliary heat source selection valve 12 when the hot water outlet temperature of the heat storage tank 11 is 60 ° C or more. ), The bypass selector valve 13 is opened, the bottom heating selector valve 15 is closed, and the dehumidification air conditioner regeneration selector valve 16 is opened. ) Is treated with latent heat load and loses moisture, and in the process of losing moisture, the temperature rises slightly to become a state of high temperature and low humidity, and passes through the sensible heat exchanger 102 and heat-exchanges with external air of medium and low humidity to medium and low humidity While passing through the regenerative evaporative air conditioner 104, the air is supplied to the room through the air supply fan 105 and the air supply 106 in a low temperature and low humidity state, thereby cooling.

In the heating operation, when the heating operation is selected by the control means 113, when the hot water circulation pump 21 is operated and the hot water outlet temperature of the heat storage tank 11 is 60 ° C or less, the auxiliary heat source selection valve 12 is opened and bypass selection is performed. The valve 13 is closed, the auxiliary heat source 14 is operated, the dehumidification cooling regenerative selection valve 16 is closed, and the bottom heating selection valve 15 is opened to circulate the hot water to the indoor unit or the floor heating coil 18 so that the heating is performed. do.

In the power generation operation, when cooling or heating is unnecessary or when the heat source water is left, when the power generation operation is selected by the control means 113, the auxiliary heat source selection valve 12 and the bypass selection valve 13 are closed, and the generation selection valve 20 is closed. The low temperature water generator 19 is operated to generate power.

1 is a flow chart of a cooling and heating and power generation system using cold water according to the present invention.

2 is a block diagram of a dehumidification cooling indoor unit according to the present invention.

[Description of the main symbols for the main parts of the drawings]

10: heat source water circulation pump

11: hot water storage tank

12: auxiliary heat source selection valve

13: bypass selection valve

14: auxiliary heat source

15: floor heating selector valve

16: dehumidification air conditioner regeneration selector valve

17: indoor unit dehumidification cooling

18: floor heating coil

19: low temperature water generator

20: power generation selection valve

21: hot water circulation pump

100: indoor vent

101: dehumidification rotor

102: sensible heat exchanger

103: outdoor air damper

104: regenerative evaporative air conditioner

105: air supply fan

106: air supply

107: air conditioner exhaust port

108: outside air entrance

109: regeneration heat source piping

110: player

111: exhaust fan

112: exhaust port

113: control means

Claims (5)

In the cooling and heating and power generation system using low temperature water, which can be easily obtained from solar heat, district heating, micro cogen, fuel cell system, etc., a heat source water circulation pump for circulating low temperature heat source water; A hot water storage tank for storing heat source water; An auxiliary heat source selection valve; A bypass selector valve; Auxiliary heat source; Floor heating selection valve; A dehumidification air conditioner regeneration selection valve; Dehumidification cooling indoor unit; Floor heating coils; Low temperature water generator; A power generation selection valve; It consists of hot water circulation pump, The dehumidification cooling indoor unit includes an indoor ventilation port; A roll dehumidifying rotor; Sensible heat exchanger; An external air intake damper; Regenerative evaporative air conditioners; An air supply fan; Air supply; A cooler exhaust port; External air inlet; Regenerative heat source piping; A regenerator; An exhaust fan; An exhaust port; Cooling and heating and power generation system using low temperature water, characterized in that it comprises a control means. The method of claim 1, wherein the low temperature heat source water is any one selected from solar heat, district heating, micro cogen, fuel cell, the temperature of the heat source water is 60 ℃? Cooling and heating and power generation system using low temperature water, characterized in that the low temperature water of 95 ℃. The cooling and heating system using low temperature water according to claim 1, wherein the auxiliary heat source is any one selected from an oil or gas boiler, an air heat source heat pump, a geothermal heat pump, a biomass boiler, and a heat source heat pump. The generator of claim 1, wherein the generator comprises: vaporized oil screw turbine power generation, refrigerant turbine power generation; Heat source temperature difference Cooling and power generation system using low temperature water, characterized in that any one selected from engine power generation, thermal power generation, LTPC engine power generation. The cooling and heating system using low temperature water according to claim 1, wherein the sensible heat exchanger is any one selected from a heat pipe type, a plate type, a roll type, and a cylinder.
KR1020100075560A 2010-08-05 2010-08-05 Low temp hot water air conditioning & generating system KR20120021519A (en)

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KR1020100075560A KR20120021519A (en) 2010-08-05 2010-08-05 Low temp hot water air conditioning & generating system

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Application Number Priority Date Filing Date Title
KR1020100075560A KR20120021519A (en) 2010-08-05 2010-08-05 Low temp hot water air conditioning & generating system

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103430795A (en) * 2013-09-10 2013-12-11 山东宏力空调设备有限公司 Facility agriculture heat pump system
CN103557633A (en) * 2013-11-20 2014-02-05 四川双亿实业有限公司 Air-source low-temperature tri-generation heat pump hot water unit and implementation method thereof
KR20160096307A (en) 2015-02-05 2016-08-16 이삼구 Crickets comprising Arginine for Nitric Oxide for preventing diabetes and hypertension and improving Health tonic effect and food composition comprising the same
CN110388765A (en) * 2019-07-15 2019-10-29 上海电力大学 Alleviate the ground-source heat pump system and method for the warm and humid independent control of soil hot stack

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103430795A (en) * 2013-09-10 2013-12-11 山东宏力空调设备有限公司 Facility agriculture heat pump system
CN103557633A (en) * 2013-11-20 2014-02-05 四川双亿实业有限公司 Air-source low-temperature tri-generation heat pump hot water unit and implementation method thereof
KR20160096307A (en) 2015-02-05 2016-08-16 이삼구 Crickets comprising Arginine for Nitric Oxide for preventing diabetes and hypertension and improving Health tonic effect and food composition comprising the same
CN110388765A (en) * 2019-07-15 2019-10-29 上海电力大学 Alleviate the ground-source heat pump system and method for the warm and humid independent control of soil hot stack

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