CN103175340A - Heat power vortex type cold-hot water machine set - Google Patents
Heat power vortex type cold-hot water machine set Download PDFInfo
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- CN103175340A CN103175340A CN2011104350388A CN201110435038A CN103175340A CN 103175340 A CN103175340 A CN 103175340A CN 2011104350388 A CN2011104350388 A CN 2011104350388A CN 201110435038 A CN201110435038 A CN 201110435038A CN 103175340 A CN103175340 A CN 103175340A
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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
- 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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Abstract
The invention relates to a heat power vortex type cold-hot water machine set which is characterized by comprising a refrigerant circulation system and a vortex type expansion machine system. A screw rotor of the vortex type expansion machine system is in drive connection with a vortex type compressor of the refrigerant circulation system, and a condensation coil of the refrigerant circulation system is arranged in a generator of the vortex type expansion machine system. The heat power vortex type cold-hot water machine set 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 and improves energy efficiency of a refrigeration air conditioner.
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 heat power vortex hot and cold water unit that improves refrigeration and heating energy efficiency ratio by the used heat utilization.
Background technology
In prior art, refrigeration system can be divided into vortex air-conditioning unit 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 vortex hot and cold water unit adopts scroll compressor to drive the working medium circulation operation, realizes refrigeration under different operating modes or heats, and scroll 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, heat power vortex hot and cold water unit 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.
The technical solution adopted in the present invention is as follows:
A kind of heat power vortex hot and cold water unit, it is characterized in that described hot and cold water unit comprises refrigerant-cycle systems and scroll expansion machine system, a power output shaft of described scroll expansion machine system drives with a screw compressor of refrigerant-cycle systems and is connected; The condenser coil of described refrigerant-cycle systems is positioned at the generator of described scroll expansion machine system.
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; This after-condenser connects the cooling water circulation pipeline of a cooling system.
In one embodiment, described evaporimeter also is communicated with a screw compressor is set, and this screw compressor connects the entrance of described condenser coil by a high temperature refrigerant jet chimney.
In one embodiment, described screw 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 scroll expansion machine system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchanger, scroll expansion machine 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 scroll expansion machine 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 scroll expansion machine 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 heat power vortex hot and cold water unit adopts the scroll expansion machine system as auxiliary power source, be converted into mechanical energy by scroll expansion machine system utilization low grade heat energy or other low grade heat energies to outer discharging in the building, this mechanical energy is as the group of scroll compressor 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 scroll expansion machine system can also reduce the use cost of refrigerant-cycle systems simultaneously, and alleviate and use Voltage force, and the discharging of minimizing carbon dioxide.
Under cooling condition, screw compressor adopts variable-frequency motor and scroll expansion machine jointly to drive; During unit starting, screw compressor is driven separately by variable-frequency motor, when scroll expansion machine is converted into shaft work output to air-conditioning waste heat, and common the driving; The power output checkout gear is installed on scroll expansion machine, and the power output of scroll expansion machine 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 heat power vortex hot and cold water unit 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 reduce the power consumption of whole refrigerated air-conditioning system, improve the efficiency of refrigeration air-conditioner.
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 heat power vortex hot and cold water unit 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 drives the group of scroll compressor 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 heat power vortex hot and cold water unit mainly comprises refrigerant-cycle systems, outdoor heat exchange system and scroll expansion machine system.One power output shaft 131 of scroll expansion machine system drives with a screw 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 scroll expansion machine system.This condenser coil is as the thermal source heat exchanger in generator, realizes the utilization of waste heat and is converted to mechanical energy by the scroll expansion machine system.
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 ventilated disc guard system forms the low-temperature receiver circulation of a sealing, 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, in order further to improve the refrigeration of this cold-producing medium in evaporimeter, after this low-temperature refrigerant pipeline 212 is drawn via evaporimeter, also 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, this after-condenser 240 connects the cooling water circulation pipeline of a cooling 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 screw compressor 220, and this screw 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.Screw 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.
The scroll expansion machine system comprises generator 110, economic benefits and social benefits heat energy translator 120, secondary heat exchanger 124, scroll expansion machine 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 scroll expansion machine 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 scroll expansion machine 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, and this high concentration working medium catch box 141 connects a high concentration working medium carrier pipe 142, this high concentration working medium carrier pipe
The other end be positioned at the top of generator 110 and connect normal temperature high concentration working medium spray equipment.
Claims (10)
1. heat power vortex hot and cold water unit, it is characterized in that described hot and cold water unit comprises refrigerant-cycle systems and scroll expansion machine system, a power output shaft of described scroll expansion machine system drives with a screw compressor of refrigerant-cycle systems and is connected; The condenser coil of described refrigerant-cycle systems is positioned at the generator of described scroll expansion machine system.
2. heat power vortex hot and cold water unit 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. heat power vortex hot and cold water unit 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; This after-condenser connects the cooling water circulation pipeline of a cooling system.
4. heat power vortex hot and cold water unit according to claim 2 is characterized in that described evaporimeter also is communicated with a screw compressor is set that this screw compressor connects the entrance of described condenser coil by a high temperature refrigerant jet chimney.
5. heat power vortex hot and cold water unit according to claim 1, is characterized in that described screw compressor drives connection by a variable-frequency motor, and this drive motors is equipped with frequency-changing control system is set.
6. heat power vortex hot and cold water unit according to claim 1, it is characterized in that described scroll expansion machine system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchanger, scroll expansion machine 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. heat power vortex hot and cold water unit 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. heat power vortex hot and cold water unit 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 scroll expansion machine 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. heat power vortex hot and cold water unit according to claim 6, it is characterized in that the exhaust outlet of described scroll expansion machine 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. heat power vortex hot and cold water unit 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104350388A CN103175340A (en) | 2011-12-22 | 2011-12-22 | Heat power vortex type cold-hot water machine set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104350388A CN103175340A (en) | 2011-12-22 | 2011-12-22 | Heat power vortex type cold-hot water machine set |
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| CN103175340A true CN103175340A (en) | 2013-06-26 |
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| CN2011104350388A Pending CN103175340A (en) | 2011-12-22 | 2011-12-22 | Heat power vortex type cold-hot water machine set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145895A (en) * | 2019-06-17 | 2019-08-20 | 李国庆 | A kind of scroll refrigerant engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145895A (en) * | 2019-06-17 | 2019-08-20 | 李国庆 | A kind of scroll refrigerant engine |
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Application publication date: 20130626 |