CN202393086U - Thermodynamic vortex cold and hot water unit - Google Patents
Thermodynamic vortex cold and hot water unit Download PDFInfo
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- CN202393086U CN202393086U CN2011205433858U CN201120543385U CN202393086U CN 202393086 U CN202393086 U CN 202393086U CN 2011205433858 U CN2011205433858 U CN 2011205433858U CN 201120543385 U CN201120543385 U CN 201120543385U CN 202393086 U CN202393086 U CN 202393086U
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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 utility model discloses a thermodynamic vortex cold and hot water unit, which is characterized by comprising a refrigerant circulating system and a vortex expander system, wherein a screw rod rotor of the vortex expander system is connected with a vortex compressor of the refrigerant circulating system in a driving way; and a condensing coil of the refrigerant circulating system is positioned in a generator of the vortex expander system. The thermodynamic vortex cold and hot water unit has a reasonable design, the refrigerating energy-efficiency ratio can be increased effectively, and mechanical energy conversion combination can be realized by using a refrigerating unit driven by using electric energy and low-grade thermal energy, so that the electric energy consumption of an entire refrigerating air-conditioning system is lowered, and the energy efficiency of the refrigerating air-conditioner is increased.
Description
Technical field
The utility model belongs to refrigeration and heating combined equipment technology, and concrete to relate to a kind of electric power that is applied to be that the energy and improve through the used heat utilization freezes and the heat power vortex hot and cold water unit of heating energy efficiency ratio.
Background technology
In the prior art, refrigeration system mainly is the energy with electric power, can be divided into vortex air-conditioning unit, air-cooled air-conditioning unit, piston type air-conditioner unit, the screw air-conditioning unit equipressure formula air-conditioning unit that contracts; The central air-conditioning that also has is the energy with the fossil fuel, 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.The compression-type refrigeration unit Energy Efficiency Ratio that with electric power is 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 working medium circular flow, realizes under the different operating modes freezing or heating, and scroll compressor is by motor driven.The running of air conditioner refrigerating technology is the refrigeration air-conditioner unit through consuming high-grade electric energy or fossil fuel at present, is discharged to heat energy too much in the building outside the building, thereby reaches the effect that temperature lowers in the building.All kinds of buildings use above-mentioned central air-conditioning all can have following defective, for example summer power shortage; City local air temperature raises significantly, tropical island effect occurs; And excessive air-conditioning refrigerant fluorochemical is discharged in the atmosphere 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 utility model 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 scheme that the utility model adopted is following:
A kind of heat power vortex hot and cold water unit; It is characterized in that said hot and cold water unit comprises refrigerant-cycle systems and scroll expansion machine system, a power output shaft of said scroll expansion machine system drives with a screw compressor of refrigerant-cycle systems and is connected; The condenser coil of said refrigerant-cycle systems is positioned at the generator of said scroll expansion machine system.
In one embodiment; Said 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 said generator.
In one embodiment, after said low-temperature refrigerant pipeline is drawn via said evaporimeter, the outlet of the coil pipe in the after-condenser of connecting, the inlet of this coil pipe connects the outlet of the condenser coil in the said generator; This after-condenser connects the cooling water circulation line of a cooling system.
In one embodiment, said evaporimeter also is communicated with a screw compressor is set, and this screw compressor connects the inlet of said condenser coil through a high temperature refrigerant jet chimney.
In one embodiment, said 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; Said scroll expansion machine system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchange device, scroll expansion machine and absorber, is provided with working medium transfer pipeline and circulating pump between said generator, economic benefits and social benefits heat energy translator, secondary heat exchange device and the absorber.
In the embodiment, said generator top is provided with normal temperature high concentration working medium spray equipment again, warm working medium catch box during the bottom is provided with, and warm working medium catch box connects the working medium spray equipment at secondary generator top in this through a working medium transfer pipeline.
In the another embodiment; The top of said generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator through 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, and warm medium steam passage connects the top of secondary generator in this.
In one embodiment; The exhaust outlet of said scroll expansion machine connects the top of absorber; The top of this absorber is provided with 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 secondary generator bottom through cryogenic fluid pipeline connection one.
In one embodiment; The bottom of said 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 through scroll expansion machine system utilization low grade heat energy or other low grade heat energies in the building to outer discharging; This mechanical energy is as the screw compressor group process auxiliary drive energy of refrigerant-cycle systems; Make whole refrigerant-cycle systems have higher Energy Efficiency Ratio; Reduce the energy resource consumption of refrigerant-cycle systems, and reduced the used heat resource and enter in the outer environment of building, effectively reduced outdoor environment temperature; This scroll expansion machine system can also reduce the use cost of refrigerant-cycle systems simultaneously, alleviates electricity consumption pressure, and reduces emission of carbon-dioxide.
Under cooling condition, screw compressor adopts variable-frequency motor and scroll expansion machine driven in common; During unit starting, screw compressor is by the variable-frequency motor single driving, when treating that scroll expansion machine is converted into shaft work output to air-conditioning waste heat, and driven in common; 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, variable-frequency motor is exported corresponding power.
The beneficial effect of the utility model 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.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further elaboration.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
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 screw compressor group 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 realized afterheat utilization and is converted mechanical energy into by the scroll expansion machine system as the thermal source heat exchanger in the 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 ventilated disc guard system forms the low-temperature receiver circulation of a sealing, and the evaporimeter connection is provided with 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; Cold-producing medium in the condenser coil in generator 110 after the process heat exchange can be used as the evaporation heat-absorbing medium of evaporimeter 210 after supercooling, for the further refrigeration of this cold-producing medium in evaporimeter that improve, after this low-temperature refrigerant pipeline 212 is drawn via evaporimeter; Also the connect outlet of the coil pipe 241 in the after-condenser 240, the inlet of this coil pipe connects the outlet of the condenser coil in the generator; This after-condenser 240 connects the cooling water circulation line of a cooling system 242.Can further reduce the temperature of cold-producing medium through this after-condenser 240, realize the effect of evaporation heat absorption in the better evaporimeter.The other end connection of evaporimeter 210 is provided with screw compressor 220, and this screw compressor connects the inlet of condenser coils 112 through a high temperature refrigerant jet chimney 221.Form the circulation of a cold-producing medium thus.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 exchange device 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 exchange device 124 and the 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; Warm working medium catch box 113 during the bottom is provided with; The middle part is a condenser coil 112, and warm working medium catch box 113 connects the working medium spray equipment at secondary generator 124 tops in this through a working medium transfer pipeline 114.The top of generator 110 is positioned at the working substance steam nozzle 111 of economic benefits and social benefits heat energy translator through 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, and warm medium steam passage 123 connects the top of secondary generator 124 in this.The exhaust outlet of scroll expansion machine connects the top of absorber 140; The top of this absorber is provided with a low-temperature and low-concentration working medium spray equipment, and this low-temperature and low-concentration spray equipment connects the low concentration working medium catch box 125 that is positioned at secondary generator bottom through a cryogenic fluid pipeline 126.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 said hot and cold water unit comprises refrigerant-cycle systems and scroll expansion machine system, a power output shaft of said scroll expansion machine system drives with a screw compressor of refrigerant-cycle systems and is connected; The condenser coil of said refrigerant-cycle systems is positioned at the generator of said scroll expansion machine system.
2. heat power vortex hot and cold water unit according to claim 1; It is characterized in that said 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 said generator.
3. heat power vortex hot and cold water unit according to claim 2; After it is characterized in that said low-temperature refrigerant pipeline is drawn via said evaporimeter; The connect outlet of the coil pipe in the after-condenser, the inlet of this coil pipe connects the outlet of the condenser coil in the said generator; This after-condenser connects the cooling water circulation line of a cooling system.
4. heat power vortex hot and cold water unit according to claim 2 is characterized in that said evaporimeter also is communicated with a screw compressor is set that this screw compressor connects the inlet of said condenser coil through a high temperature refrigerant jet chimney.
5. heat power vortex hot and cold water unit according to claim 1 is characterized in that said 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 said scroll expansion machine system comprises generator, economic benefits and social benefits heat energy translator, secondary heat exchange device, scroll expansion machine and absorber, is provided with working medium transfer pipeline and circulating pump between said generator, economic benefits and social benefits heat energy translator, secondary heat exchange device and the absorber.
7. heat power vortex hot and cold water unit according to claim 6; It is characterized in that said generator top is provided with normal temperature high concentration working medium spray equipment; Warm working medium catch box during the bottom is provided with, warm working medium catch box connects the working medium spray equipment at secondary generator top in this through a working medium transfer pipeline.
8. heat power vortex hot and cold water unit according to claim 7; It is characterized in that the top of said generator is positioned at the working substance steam nozzle of economic benefits and social benefits heat energy translator through 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, and warm medium steam passage connects the top of 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 said scroll expansion machine connects the top of absorber; The top of this absorber is provided with 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 secondary generator bottom through 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 said 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 |
|---|---|---|---|
| CN2011205433858U CN202393086U (en) | 2011-12-22 | 2011-12-22 | Thermodynamic vortex cold and hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205433858U CN202393086U (en) | 2011-12-22 | 2011-12-22 | Thermodynamic vortex cold and hot water unit |
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| Publication Number | Publication Date |
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| CN202393086U true CN202393086U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205433858U Expired - Fee Related CN202393086U (en) | 2011-12-22 | 2011-12-22 | Thermodynamic vortex cold and hot water unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927714A (en) * | 2012-11-20 | 2013-02-13 | 中国石油大学(华东) | Refrigeration circulating device for scroll type refrigerating machine |
| CN103105022A (en) * | 2012-11-15 | 2013-05-15 | 福建雪人压缩机科技有限公司 | Screw expansion scroll compressor |
-
2011
- 2011-12-22 CN CN2011205433858U patent/CN202393086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105022A (en) * | 2012-11-15 | 2013-05-15 | 福建雪人压缩机科技有限公司 | Screw expansion scroll compressor |
| CN102927714A (en) * | 2012-11-20 | 2013-02-13 | 中国石油大学(华东) | Refrigeration circulating device for scroll type refrigerating machine |
| CN102927714B (en) * | 2012-11-20 | 2015-07-01 | 中国石油大学(华东) | Refrigeration circulating device for scroll type refrigerating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131222 |