CN105571200A - Expansion work self-recovery refrigeration device and method - Google Patents
Expansion work self-recovery refrigeration device and method Download PDFInfo
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- CN105571200A CN105571200A CN201511026052.7A CN201511026052A CN105571200A CN 105571200 A CN105571200 A CN 105571200A CN 201511026052 A CN201511026052 A CN 201511026052A CN 105571200 A CN105571200 A CN 105571200A
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- evaporimeter
- compressor
- condenser
- temperature
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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
Abstract
The invention discloses an expansion work self-recovery refrigeration device. The device comprises a supergravity generation device and a refrigeration device with a working medium inside; the supergravity generation device is a base (1) arranged on a rotating shaft (2); the refrigeration device consists of an evaporator (3), a condenser (5) and a compressor (4) connected in sequence; and the base (1) is provided with the evaporator (3), the condenser (5) and the compressor (4).
Description
Technical field
The present invention relates to technical field of power equipment, specifically a kind of expansion work is from reclaiming refrigerating plant and method.
Background technology
The basic process of current adopted electric kind of refrigeration cycle is as follows: 1, low pressure refrigerant vapor is compressed to high pressure by gas compressor; 2, high pressure refrigerant vapor becomes high pressure liquid refrigerant after releasing heat within the condenser; 3, high pressure liquid refrigerant cold again after be depressured to low pressure by expansion valve, become low-temperature low-pressure refrigerant liquid (or liquid-vapor mixture); 4, become low-temperature low-pressure refrigerant steam after low-temperature low-pressure refrigerant liquid (or liquid-vapor mixture) absorbs heat in evaporimeter, and then enter gas compressor, and so forth.
Wherein expansion valve is the parts that an irreversible loss is very large, and it does not only utilize the expansion work in pressure reduction, also reduces effective refrigerating capacity of evaporimeter, and along with the increase of evaporation/condensation temperature difference, its negative effect is more obvious.If replace choke valve with decompressor, although have energy-conservation effect, but can make system complex, link increases, and Technological Economy is worth and reduces.
Like this, be necessary to improve existing electric cooling cycle system, take the expansion valve that a kind of simple and effective way is come in alternative existing system, the Technological Economy improving system is worth.
Summary of the invention
The technical problem to be solved in the present invention is to provide the simple expansion work of a kind of structure from reclaiming refrigerating plant and method.
In order to solve the problems of the technologies described above, the invention provides a kind of expansion work from reclaiming refrigerating plant, comprising the refrigerating plant of hypergravity generation device and built-in working medium; Described hypergravity generation device is the base be arranged in rotating shaft; Described refrigerating plant is interconnective evaporimeter, condenser, compressor successively; Described base is arranged evaporimeter, condenser, compressor.
As expansion work of the present invention from the improvement of reclaiming refrigerating plant: the evaporation tubes of described evaporimeter connects compressor; Described compressor connects the condensation pipe of condenser.
As expansion work of the present invention from reclaiming the further improvement of refrigerating plant: described evaporimeter and compressor are at the shaft core position of rotating shaft; Described condenser is on the radius of gyration of rotating shaft.
As expansion work of the present invention from the further improvement of reclaiming refrigerating plant: be connected by pipeline II between described compressor and the condensation pipe of condenser; Be connected by pipeline III between the condensation pipe of described condenser and the evaporation tubes of evaporimeter.
As expansion work of the present invention from the further improvement of reclaiming refrigerating plant: described working medium is refrigeration working medium.
Expansion work is from reclaiming refrigerating method: rotating shaft drives base to rotate with a fixed angular speed; Described base drives evaporimeter, condenser, compressor to rotate with a fixed angular speed; Described evaporimeter flows out low-pressure gas and enters compressor, by compressor boost to middle pressure, temperature raises, then under the acting in conjunction of centrifugal force and pressure reduction, in pipeline II, insulation flow is pressurized to high pressure further to during the condensation pipe of condenser, inertia potential energy reduces, simultaneous temperature rises further, and gases at high pressure externally after the heat release of high temperature low-temperature receiver, become high temperature high pressure liquid within the condenser; High temperature high pressure liquid is when under the acting in conjunction of centrifugal force and pressure reduction, in pipeline III, insulation flow is to the evaporation tubes import of evaporimeter, and temperature is reduced to low temperature, and inertia potential energy increases, and pressure is reduced to low pressure, becomes gas-liquid mixture; The gas-liquid mixture of low-temp low-pressure enters the evaporation tubes of evaporimeter, after absorbing the heat of outside low temperature heat source, becomes saturated low-pressure gas; Low-pressure gas enters compressor after the evaporation tubes of evaporimeter flows out, and so circulates.
Improvement as certainly reclaiming refrigerating method to expansion work of the present invention: when external high temperature sink temperature improves or outside low temperature heat source temperature reduces, only need improve rotating speed can keep rational underpressure, and vice versa.
Further improvement as certainly reclaiming refrigerating method to expansion work of the present invention: the external high temperature low-temperature receiver/outside low temperature heat source corresponding to described condenser/evaporator is air, steam or liquid.
The present invention, compared with existing electric refrigeration system, has the following advantages:
1) expansion valve is not needed.
2) expansion work can be reclaimed voluntarily.
3) reliably easy to adjust, the underpressure of variable expansion valve is carried out by adjusting rotary speed.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is primary structure schematic diagram of the present invention.
Detailed description of the invention
Embodiment 1, Fig. 1 give a kind of expansion work from reclaiming refrigerating plant and method, realizing, providing a kind of potential field by centrifugal mainly through arranging relevant centrifugal device.
This expansion work comprises the refrigerating plant of hypergravity generation device and built-in working medium from reclaiming refrigerating plant; Hypergravity generation device is the base 1 be arranged in rotating shaft 2; Refrigerating plant is interconnective evaporimeter 3, condenser 5, compressor 4 successively; Be connected between the concrete evaporation tubes for evaporimeter 3 and compressor 4 (or be interconnected by other pipelines I, herein owing to not needing extra centrifugal force to produce between the evaporation tubes of evaporimeter 3 and compressor 4, thus directly can connect or be connected by short pipeline I); Be connected (according to actual use procedure by pipeline II between the condensation pipe of compressor 4 and condenser 5, owing to needing centrifugal force between compressor 4 and the condensation pipe of condenser 5, so according to actual conditions, the pipeline II of corresponding length is set, when working medium is flowed in pipeline II, under centrifugation potentials field action, is increased to certain pressure); Be connected (according to actual use procedure by pipeline III between the condensation pipe of condenser 5 and the evaporation tubes of evaporimeter 3, owing to needing centrifugal force between the condensation pipe of condenser 5 and evaporimeter 3, so according to actual conditions, arrange the pipeline II of corresponding length, when working medium is flowed in pipeline II, under centrifugation potentials field action, certain pressure is arrived in decompression).This evaporimeter 3, condenser 5, compressor 4, pipeline II and pipeline III are all arranged on base 1, the mode fixing by machinery is fixed, its evaporimeter 3 and compressor 4 at the shaft core position of rotating shaft 2 (if be provided with pipeline I, then only need by pipeline I fixing and between evaporimeter 3 and compressor 4), condenser 5 is on the radius of gyration of rotating shaft 2.And above-described working medium is refrigeration working medium.
In the present invention, the rotation of base 1 is driven to form centrifugal force by rotating shaft 2, by this centrifugal force, the working medium of flowing in the pipeline (pipeline I, pipeline II or pipeline III) of certain length is affected again, forms the environment for use needed in the present invention.
Its concrete implementation method is as follows:
1, rotating shaft 2 drives base 1 to rotate (this angular speed carries out relative set according to field condition) with a fixed angular speed;
2, base 1 drives evaporimeter 3, condenser 5, compressor 4 to rotate with a fixed angular speed;
3, evaporimeter 3 flows out low-pressure gas and enters compressor 4, middle pressure is pressurized to by compressor 4, temperature raises, then under the acting in conjunction of centrifugal force and pressure reduction, in pipeline II, insulation flow is pressurized to high pressure further to during the condensation pipe of condenser 5, inertia potential energy reduces, simultaneous temperature rises further, and gases at high pressure externally after the heat release of high temperature low-temperature receiver, become high temperature high pressure liquid in condenser 5;
4, high temperature high pressure liquid is when under the acting in conjunction of centrifugal force and pressure reduction, in pipeline III, insulation flow is to the evaporation tubes import of evaporimeter 3, and temperature is reduced to low temperature, and inertia potential energy increases, and pressure is reduced to low pressure, becomes the gas-liquid mixture with certain mass dryness fraction;
The gas-liquid mixture of low-temp low-pressure enters the evaporation tubes of evaporimeter 3, after absorbing the heat of outside low temperature heat source, becomes saturated or oversaturated low-pressure gas;
Low-pressure gas enters compressor 4 after the evaporation tubes of evaporimeter 3 flows out, and so circulates.
5, when external high temperature sink temperature improves or outside low temperature heat source temperature reduces, only need improve rotating speed can keep rational underpressure, and vice versa.
In use, the external high temperature low-temperature receiver/outside low temperature heat source corresponding to condenser 5/ evaporimeter 3 can be air, steam or liquid various ways.
The calculating parameter of embodiment 1 is in table 1 (for 1kg working medium R134a).Design condition is: working medium is R134a, condensation temperature 40 DEG C, evaporating temperature 0 DEG C, and tactical diameter is 1m.The system COP (being defined as the ratio of evaporimeter caloric receptivity and compressor theoretical power consumption) that embodiment 1 calculates is 6.81, rotating speed is now 1788 revs/min, evaporimeter caloric receptivity is 146.7kJ/kg, condenser heat exhaust is 168.2kJ/kg, the cold-producing medium mass dryness fraction of evaporator is 0.262, and the inertia potential energy of transmission is 4.38kJ/kg.Compare the refrigeration system of existing employing expansion valve (see table 1, its COP is 5.49), the COP of embodiment 1 improves 24%, as can be seen here, the present invention recycles expansion work by the participation of inertia potential energy, avoids the adiabatic step-down loss of expansion valve, improves system COP, and system is simple, effectively achieves original intention of the present invention.
In above embodiment, the design parameter of concrete service condition and the reasonable certainty annuity of the factor such as requirement, technical and economic performance can be considered, to take into account applicability and the economy of system.
The thermodynamic computing result (for 1kg working medium R134a) of table 1 embodiment 1
| Project | Embodiment 1 | Existing system | Unit |
| Acting working medium | R134a | R134a | ----- |
| Tactical diameter | 1.0 | ----- | m |
| Evaporator evaporation temperature | 0 | 0 | ℃ |
| Evaporator evaporation pressure | 0.29 | 0.29 | Mpa |
| Compressor exit temperature | 36.3 | 44.5 | ℃ |
| Compressor outlet pressure | 0.822 | 1.013 | Mpa |
| The inertia potential energy transmitted | 4.38 | ----- | kJ/kg |
| Condenser inlet gas temperature | 44.5 | 44.5 | ℃ |
| Condenser pressure | 1.013 | 1.013 | Mpa |
| Condensation temperature | 40 | 40 | ℃ |
| Compressor theoretical power consumption | 21.53 | 25.91 | kJ/kg |
| Evaporator cold-producing medium mass dryness fraction | 0.262 | 0.284 | ----- |
| Rotating speed | 1788 | ----- | Rev/min |
| Evaporimeter recepts the caloric | 146.7 | 142.3 | kJ/kg |
| Condenser heat exhaust | 168.2 | 168.2 | kJ/kg |
| System COP | 6.81 | 5.49 | ----- |
Finally, it is also to be noted that what enumerate above is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (8)
1. expansion work is from reclaiming refrigerating plant, comprises the refrigerating plant of hypergravity generation device and built-in working medium; It is characterized in that: described hypergravity generation device is for being arranged on the base (1) in rotating shaft (2);
Described refrigerating plant is interconnective evaporimeter (3), condenser (5), compressor (4) successively;
Described base (1) is arranged evaporimeter (3), condenser (5), compressor (4).
2. expansion work according to claim 1 is from reclaiming refrigerating plant, it is characterized in that: the evaporation tubes of described evaporimeter (3) connects compressor (4);
Described compressor (4) connects the condensation pipe of condenser (5).
3. expansion work according to claim 2 is from reclaiming refrigerating plant, it is characterized in that: described evaporimeter (3) and compressor (4) shaft core position in rotating shaft (2);
Described condenser (5) is on the radius of gyration of rotating shaft (2).
4. expansion work according to claim 3 is from reclaiming refrigerating plant, it is characterized in that: be connected by pipeline II between the condensation pipe of described compressor (4) and condenser (5); Be connected by pipeline III between the condensation pipe of described condenser (5) and the evaporation tubes of evaporimeter (3).
5. expansion work according to claim 4 is from reclaiming refrigerating plant, it is characterized in that: described working medium is refrigeration working medium.
6. expansion work is from reclaiming refrigerating method, it is characterized in that: rotating shaft (2) drives base (1) to rotate with a fixed angular speed;
Described base (1) drives evaporimeter (3), condenser (5), compressor (4) to rotate with a fixed angular speed;
Described evaporimeter (3) flows out low-pressure gas and enters compressor (4), middle pressure is pressurized to by compressor (4), temperature raises, then under the acting in conjunction of centrifugal force and pressure reduction, in pipeline II, insulation flow is pressurized to high pressure further to during the condensation pipe of condenser (5), inertia potential energy reduces, simultaneous temperature rises further, and gases at high pressure externally after the heat release of high temperature low-temperature receiver, become high temperature high pressure liquid in condenser (5);
High temperature high pressure liquid is when under the acting in conjunction of centrifugal force and pressure reduction, in pipeline III, insulation flow is to the evaporation tubes import of evaporimeter (3), and temperature is reduced to low temperature, and inertia potential energy increases, and pressure is reduced to low pressure, becomes gas-liquid mixture;
The gas-liquid mixture of low-temp low-pressure enters the evaporation tubes of evaporimeter (3), after absorbing the heat of outside low temperature heat source, becomes saturated low-pressure gas;
Low-pressure gas enters compressor (4) after the evaporation tubes of evaporimeter (3) flows out, and so circulates.
7. expansion work according to claim 6 is from reclaiming refrigerating method, it is characterized in that: when external high temperature sink temperature improves or outside low temperature heat source temperature reduces, and only need improve rotating speed can keep rational underpressure, and vice versa.
8. expansion work according to claim 7 is from reclaiming refrigerating method, it is characterized in that: the external high temperature low-temperature receiver/outside low temperature heat source corresponding to described condenser (5)/evaporimeter (3) is air, steam or liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026052.7A CN105571200B (en) | 2015-12-31 | 2015-12-31 | Expansion work reclaims refrigerating plant and method certainly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511026052.7A CN105571200B (en) | 2015-12-31 | 2015-12-31 | Expansion work reclaims refrigerating plant and method certainly |
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| CN105571200A true CN105571200A (en) | 2016-05-11 |
| CN105571200B CN105571200B (en) | 2017-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895594A (en) * | 2017-02-09 | 2017-06-27 | 浙江理工大学 | High pressure liquid pump combines the hypergravity refrigeration heat pump system and method for driving with refrigeration compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100508A (en) * | 1986-02-03 | 1987-08-12 | 俞大邦 | Rotating heat-tube air condition device |
| CN2042524U (en) * | 1988-07-21 | 1989-08-09 | 王晓东 | Air conditioner for rotary cushioning-pipe |
| CN1034605A (en) * | 1988-01-20 | 1989-08-09 | 王晓东 | Utilize the energy transformation method and the heat engine of rotating heat pipe |
| US5168726A (en) * | 1991-08-21 | 1992-12-08 | York Charles L | Centrifugal refrigeration system |
| US5722255A (en) * | 1996-12-04 | 1998-03-03 | Brasz; Joost J. | Liquid ring flash expander |
-
2015
- 2015-12-31 CN CN201511026052.7A patent/CN105571200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100508A (en) * | 1986-02-03 | 1987-08-12 | 俞大邦 | Rotating heat-tube air condition device |
| CN1034605A (en) * | 1988-01-20 | 1989-08-09 | 王晓东 | Utilize the energy transformation method and the heat engine of rotating heat pipe |
| CN2042524U (en) * | 1988-07-21 | 1989-08-09 | 王晓东 | Air conditioner for rotary cushioning-pipe |
| US5168726A (en) * | 1991-08-21 | 1992-12-08 | York Charles L | Centrifugal refrigeration system |
| US5722255A (en) * | 1996-12-04 | 1998-03-03 | Brasz; Joost J. | Liquid ring flash expander |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895594A (en) * | 2017-02-09 | 2017-06-27 | 浙江理工大学 | High pressure liquid pump combines the hypergravity refrigeration heat pump system and method for driving with refrigeration compressor |
| CN106895594B (en) * | 2017-02-09 | 2019-05-07 | 浙江理工大学 | High pressure liquid pump combines the hypergravity refrigeration heat pump system and method for driving with refrigeration compressor |
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| Publication number | Publication date |
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| CN105571200B (en) | 2017-11-17 |
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Effective date of registration: 20211231 Address after: Room 503, building 3, No. 133, development avenue, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG MAIZHI NETWORK TECHNOLOGY CO.,LTD. Address before: 310018, No. 2, No. 5, Xiasha Higher Education Park, Hangzhou, Zhejiang Patentee before: ZHEJIANG SCI-TECH University |
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Effective date of registration: 20221228 Address after: 314500 Room 635-24, Fengrun International Business Center, Zhenxing East Road, wutong Street, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: JIAXING YUNSHIJIAO ELECTRONIC COMMERCE Co.,Ltd. Address before: Room 503, building 3, No. 133, development avenue, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG MAIZHI NETWORK TECHNOLOGY CO.,LTD. |
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