CN103175322A - Heat power type ground source heat pump air conditioner - Google Patents
Heat power type ground source heat pump air conditioner Download PDFInfo
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- CN103175322A CN103175322A CN2011104350208A CN201110435020A CN103175322A CN 103175322 A CN103175322 A CN 103175322A CN 2011104350208 A CN2011104350208 A CN 2011104350208A CN 201110435020 A CN201110435020 A CN 201110435020A CN 103175322 A CN103175322 A CN 103175322A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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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Abstract
The invention discloses a heat power type ground source heat pump air conditioner which is characterized by comprising a refrigerant circulation system and an expansion machine system. A power output shaft of the expansion machine system is in drive connection with a compressor of the refrigerant circulation system, and a condensation coil of the refrigerant circulation system is arranged in a generator of the expansion machine system. The refrigerant circulation system comprises an outdoor buried pipe system connected with a heat exchanger. The heat power type ground source heat pump air conditioner is reasonable in design, can effectively improve refrigeration energy efficiency ratio, can enable an electrically-driven refrigeration machine set to use low-grade heat energy to convert and combine mechanical energy, reduces electric consumption of the whole refrigeration air conditioning system, reduces the number of outdoor buried pipes, reduces construction cost, improves energy efficiency ratio of a ground source heat pump machine set and reduces power of a cooling water circulation pump.
Description
Technical field
The invention belongs to refrigeration and heating combined equipment technology, being specifically related to a kind of electric power that is applied to is the energy and the hot power geothermal heat pump air-conditioner that improves refrigeration and heating energy efficiency ratio by the used heat utilization.
Background technology
In prior art, refrigeration system can be divided into the centrifugal air conditioner group mainly take electric power as the energy, air cooled heat pump, piston type air-conditioner unit, the isobaric contracting formula of screw air-conditioning unit air-conditioning unit; The central air-conditioning that also has is take fossil fuel as the energy, and it can be divided into the lithium bromide absorption type air conditioner group according to working medium type difference, ammonia-water absorption type air-conditioning unit etc.Compression-type refrigeration unit Energy Efficiency Ratio take electric power as the energy is higher with respect to the absorption type air-conditioner unit, but consumes high-grade electric energy; The absorption type air-conditioner unit consumes fossil fuel or industrial waste heat resource, but Energy Efficiency Ratio is low, is generally less than 1.Conventional centrifugal hot and cold water unit adopts centrifugal compressor to drive the working medium circulation operation, realizes refrigeration under different operating modes or heats, and centrifugal compressor is by Motor Drive.The running of air conditioner refrigerating technology is the refrigeration air-conditioner unit by consuming high-grade electric energy or fossil fuel at present, heat energy too much in building is discharged to outside building, thereby reaches the effect that in building, temperature lowers.All kinds of buildings use above-mentioned central air-conditioning all can have following defective, for example summer power shortage; City local air temperature significantly raises, and tropical island effect occurs; And excessive air-conditioning refrigerant fluorochemical is discharged in atmosphere, the problem that damages the ozone layer.Above-mentioned refrigeration air-conditioner also consumes mass energy simultaneously, has directly or indirectly increased the discharging of CO2.
Summary of the invention
The invention provides a kind of reasonable in design, hot power geothermal heat pump air-conditioner that can effectively improve the refrigeration efficiency ratio.It can realize the refrigeration unit that electric energy drives and utilize low grade heat energy to carry out mechanical energy transforming combination, thereby reduces the power consumption of whole refrigerated air-conditioning system, improves the efficiency of refrigeration air-conditioner, has reduced simultaneously the heat of earth source heat pump to subsurface disposal.Namely reduce the quantity of outdoor pipe laying, reduced cost, improved again the Energy Efficiency Ratio of earth source heat pump unit, also can reduce the power of cooling water circulating pump.
The technical solution adopted in the present invention is as follows:
A kind of hot power geothermal heat pump air-conditioner is characterized in that described geothermal heat pump air-conditioner comprises refrigerant-cycle systems and expander system, and a power output shaft of described expander system is connected with a driven compressor of refrigerant-cycle systems; The condenser coil of described refrigerant-cycle systems is positioned at the generator of described expander system; The outdoor pipe laying system that cooling cycle system comprises that a heat exchange connects.
In one embodiment, described refrigerant-cycle systems comprises an evaporimeter, be provided with the cooling coil that is connected with the ventilated disc guard system in this evaporimeter, this steamer also connects the low-temperature refrigerant pipeline is set, and the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil that is positioned at described generator.
In one embodiment, after described low-temperature refrigerant pipeline is drawn via described evaporimeter, the outlet of the coil pipe in series connection one after-condenser, the entrance of this coil pipe connects the outlet of the condenser coil in described generator; The circulation line of the outdoor pipe laying of this after-condenser connection one system.
In one embodiment, described evaporimeter also is communicated with a compressor is set, and this compressor connects the entrance of described condenser coil by a high temperature refrigerant jet chimney.
In one embodiment, described compressor is driven by a variable-frequency motor and connects, and this drive motors is equipped with frequency-changing control system is set.
In another embodiment, described expander system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchanger, decompressor and absorber, is provided with working medium transfer pipeline and circulating pump between described generator, economic benefits and social benefits heat energy translator, secondary heat exchanger and absorber.
Again in an embodiment, described generator top is provided with normal temperature high concentration working medium spray equipment, and the bottom is provided with middle temperature working medium catch box, and in this, warm working medium catch box is by the working medium spray equipment at a working medium transfer pipeline connecting secondary generator top.
In another embodiment, the top of described generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator by a working substance steam pipeline connection one, this working medium nozzle is communicated with the air inlet of decompressor via certain compression swelling device, the level pressure expander connects warm medium steam passage in, the top of warm medium steam passage connecting secondary generator in this.
In one embodiment, the exhaust outlet of described decompressor connects the top of absorber, the top of this absorber arranges a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment is positioned at the low concentration working medium catch box of second generator bottom by a cryogenic fluid pipeline connection one.
In one embodiment, the bottom of described absorber is provided with high concentration working medium catch box, this high concentration working medium catch box connects a high concentration working medium carrier pipe, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator and connects a normal temperature high concentration working medium spray equipment.
This hot power geothermal heat pump air-conditioner adopts expander system as auxiliary power source, be converted into mechanical energy by expander system utilization low grade heat energy or other low grade heat energies to outer discharging in the building, this mechanical energy is as the compressor bank process auxiliary drive energy of refrigerant-cycle systems, make whole refrigerant-cycle systems have higher Energy Efficiency Ratio, reduced the energy resource consumption of refrigerant-cycle systems, and reduce the used heat resource and enter in the outer environment of building, effectively reduce outdoor environment temperature; This expander system can also reduce the use cost of refrigerant-cycle systems simultaneously, alleviates to use Voltage force, and reduces the discharging of carbon dioxide.It has also reduced outdoor pipe laying system simultaneously to the heat of subsurface disposal.Reduce on the one hand the quantity of outdoor pipe laying, reduced cost, improved again the Energy Efficiency Ratio of earth source heat pump unit, also can reduce the power of cooling water circulating pump.
Under cooling condition, compressor adopts variable-frequency motor and decompressor jointly to drive; During unit starting, compressor is driven separately by variable-frequency motor, when decompressor is converted into shaft work output to air-conditioning waste heat, and common the driving; The power output checkout gear is installed on decompressor, and the power output of decompressor power output and variable-frequency motor is mated by frequency-changing control system; Under the different refrigeration duty of air-conditioning, the corresponding power of variable-frequency motor output.
Beneficial effect of the present invention is, this hot power geothermal heat pump air-conditioner is reasonable in design, can effectively improve the refrigeration efficiency ratio.It can realize the refrigeration unit that electric energy drives and utilize low grade heat energy to carry out mechanical energy transforming combination, thereby reduces the power consumption of whole refrigerated air-conditioning system, improves the efficiency of refrigeration air-conditioner, has reduced simultaneously the heat of earth source heat pump to subsurface disposal.Namely reduce the quantity of outdoor pipe laying, reduced cost, improved again the Energy Efficiency Ratio of earth source heat pump unit, also can reduce the power of cooling water circulating pump.
The present invention is further elaborated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
The specific embodiment
This hot power geothermal heat pump air-conditioner is the novel refrigerant circulatory system that is applied to field of heating ventilation air conditioning, its adopt electric energy as drive energy in, utilize in the building to the low grade heat energy of outer discharging, make it change into mechanical energy.Mechanical energy is drive compression unit refrigeration again, thereby reduces the electric energy input of whole refrigerant-cycle systems, improves the Energy Efficiency Ratio of refrigerant-cycle systems.
As shown in Figure 1, this hot power geothermal heat pump air-conditioner mainly comprises refrigerant-cycle systems, outdoor heat exchange system and expander system.One power output shaft 131 of expander system drives with a compressor 220 of refrigerant-cycle systems and is connected; The condenser coil 112 of the cold-producing medium of refrigerant-cycle systems is positioned at the generator 110 of expander system.This condenser coil is realized the utilization of waste heat and is converted to mechanical energy by expander system as the thermal source heat exchanger in generator.
refrigerant-cycle systems has an evaporimeter 210, be provided with the cooling coil 211 that is connected with the ventilated disc guard system in this evaporimeter, for the user provides low-temperature receiver, the evaporimeter connection arranges a low-temperature refrigerant pipeline 212, the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil 112 that is positioned at generator, at the interior evaporation endothermic medium that can be used as evaporimeter 210 through the cold-producing medium in the condenser coil after heat exchange after supercooling of generator 110, after this low-temperature refrigerant pipeline 212 is drawn via evaporimeter, the connect outlet of the coil pipe 241 in an after-condenser 240, the entrance of this coil pipe connects the outlet of the condenser coil in generator, the cooling water circulation pipeline of the outer pipe laying of these after-condenser 240 junction chambers system 242.Can further reduce the temperature of cold-producing medium by this after-condenser 240, realize the effect of evaporation endothermic in better evaporimeter.The other end connection of evaporimeter 210 arranges compressor 220, and this compressor connects the entrance of condenser coils 112 by a high temperature refrigerant jet chimney 221.Form thus the circulation of a cold-producing medium.Compressor 220 is driven by a variable-frequency motor 222 and connects, and this drive motors is equipped with frequency-changing control system 223 is set.
Expander system comprises generator 110, economic benefits and social benefits heat energy translator 120, secondary heat exchanger 124, decompressor 130 and absorber 140, be provided with working medium transfer pipeline and circulating pump between generator 110, economic benefits and social benefits heat energy translator 120, secondary heat exchanger 124 and absorber 140, realize that the circulation of working medium is carried.Generator 110 tops are provided with normal temperature high concentration working medium spray equipment, the bottom is provided with middle temperature working medium catch box 113, the middle part be condenser coil 112, and in this, warm working medium catch box 113 passes through the working medium spray equipment at working medium transfer pipeline 114 connecting secondary generator 124 tops.The top of generator 110 is positioned at the working substance steam nozzle 111 of economic benefits and social benefits heat energy translator by a working substance steam pipeline connection one, this working medium nozzle is communicated with the air inlet 121 of decompressor via certain compression swelling device 122, level pressure expander 122 connects warm medium steam passage 123 in, the top of warm medium steam passage 123 connecting secondary generators 124 in this.The exhaust outlet of decompressor connects the top of absorber 140, the top of this absorber arranges a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment connects by a cryogenic fluid pipeline 126 the low concentration working medium catch box 125 that is positioned at the second generator bottom.The bottom of absorber is provided with high concentration working medium catch box 141, this high concentration working medium catch box 141 connects a high concentration working medium carrier pipe 142, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator 110 and connects normal temperature high concentration working medium spray equipment.
Claims (10)
1. a hot power geothermal heat pump air-conditioner, is characterized in that described geothermal heat pump air-conditioner comprises refrigerant-cycle systems and expander system, and a power output shaft of described expander system is connected with a driven compressor of refrigerant-cycle systems; The condenser coil of described refrigerant-cycle systems is positioned at the generator of described expander system; The outdoor pipe laying system that cooling cycle system comprises that a heat exchange connects.
2. hot power geothermal heat pump air-conditioner according to claim 1, it is characterized in that described refrigerant-cycle systems comprises an evaporimeter, be provided with the cooling coil that is connected with the ventilated disc guard system in this evaporimeter, this steamer also connects the low-temperature refrigerant pipeline is set, and the other end of this low-temperature refrigerant pipeline is communicated with the outlet of the condenser coil that is positioned at described generator.
3. hot power geothermal heat pump air-conditioner according to claim 2, after it is characterized in that described low-temperature refrigerant pipeline is drawn via described evaporimeter, the connect outlet of the coil pipe in an after-condenser, the entrance of this coil pipe connects the outlet of the condenser coil in described generator; The circulation line of the outdoor pipe laying of this after-condenser connection one system.
4. hot power geothermal heat pump air-conditioner according to claim 2 is characterized in that described evaporimeter also is communicated with a compressor is set that this compressor connects the entrance of described condenser coil by a high temperature refrigerant jet chimney.
5. hot power geothermal heat pump air-conditioner according to claim 1, is characterized in that described compressor drives connection by a variable-frequency motor, and this drive motors is equipped with frequency-changing control system is set.
6. hot power geothermal heat pump air-conditioner according to claim 1, it is characterized in that described expander system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchanger, decompressor and absorber, is provided with working medium transfer pipeline and circulating pump between described generator, economic benefits and social benefits heat energy translator, secondary heat exchanger and absorber.
7. hot power geothermal heat pump air-conditioner according to claim 6, it is characterized in that described generator top is provided with normal temperature high concentration working medium spray equipment, the bottom is provided with middle temperature working medium catch box, and in this, warm working medium catch box is by the working medium spray equipment at a working medium transfer pipeline connecting secondary generator top.
8. hot power geothermal heat pump air-conditioner according to claim 7, the top that it is characterized in that described generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator by a working substance steam pipeline connection one, this working medium nozzle is communicated with the air inlet of decompressor via certain compression swelling device, the level pressure expander connects warm medium steam passage in, the top of warm medium steam passage connecting secondary generator in this.
9. hot power geothermal heat pump air-conditioner according to claim 6, it is characterized in that the exhaust outlet of described decompressor connects the top of absorber, the top of this absorber arranges a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment is positioned at the low concentration working medium catch box of second generator bottom by a cryogenic fluid pipeline connection one.
10. hot power geothermal heat pump air-conditioner according to claim 6, the bottom that it is characterized in that described absorber is provided with high concentration working medium catch box, this high concentration working medium catch box connects a high concentration working medium carrier pipe, and the other end of this high concentration working medium carrier pipe is positioned at the top of generator and connects a normal temperature high concentration working medium spray equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104350208A CN103175322A (en) | 2011-12-22 | 2011-12-22 | Heat power type ground source heat pump air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104350208A CN103175322A (en) | 2011-12-22 | 2011-12-22 | Heat power type ground source heat pump air conditioner |
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| CN103175322A true CN103175322A (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104350208A Pending CN103175322A (en) | 2011-12-22 | 2011-12-22 | Heat power type ground source heat pump air conditioner |
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| CN (1) | CN103175322A (en) |
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Application publication date: 20130626 |