CN107940786A - A kind of energy conserving system of refrigeration plant and there is its refrigeration plant - Google Patents
A kind of energy conserving system of refrigeration plant and there is its refrigeration plant Download PDFInfo
- Publication number
- CN107940786A CN107940786A CN201711381074.4A CN201711381074A CN107940786A CN 107940786 A CN107940786 A CN 107940786A CN 201711381074 A CN201711381074 A CN 201711381074A CN 107940786 A CN107940786 A CN 107940786A
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- China
- Prior art keywords
- housing
- compressor
- turbine
- refrigeration plant
- outlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
Abstract
The invention discloses a kind of energy conserving system of refrigeration plant, including compressor and motor, energy saver is further included, which includes housing, throttle nozzle and turbine, and inlet and outlet is provided with housing；The input end of throttle nozzle passes through the runner and the outlet of housing in housing by the runner and the inlet communication of housing in housing, the port of export；The motor is penetration type motor, shaft one end of motor is connected by the shaft of speed changer and compressor, the other end is stretched into the runner between the outlet of the port of export and housing of throttle nozzle, wheel shaft as turbine, the turbine is installed on the end of machine shaft, and the port of export of throttle nozzle is opposite with the flabellum of turbine.The present invention can reduce energy loss during refrigeration plant operation, and then the efficiency for improving refrigeration plant is horizontal.
Description
Technical field
The present invention relates to refrigeration technology field, and in particular to a kind of energy conserving system of refrigeration plant and sets with its refrigeration
It is standby.
Background technology
Current refrigeration plant mainly includes compressor, condenser and evaporator, is sequentially connected between three by pipeline,
Closed circuit is formed, and expansion valve is installed in the pipeline between condenser and evaporator, expansion valve makes the liquid of cryogenic high pressure
Cryogen is converted into the moist steam of low-temp low-pressure by its throttling function, and expansion valve is become by the degree of superheat of evaporator end
Change and carry out control valve flow, prevent evaporator area underutilization and engine knock phenomenon.Stream of the condensing agent in refrigeration plant
Dynamic state be approximate isenthalpic throttling process, as shown in fig. 7, its kinetic energy is unavoidably there are friction loss, while is accompanied by one
Quantitative flash steam, causes energy loss.
The content of the invention
The object of the present invention is to provide a kind of energy conserving system of refrigeration plant, is damaged with energy when reducing refrigeration plant operation
Consumption, and then the efficiency for improving refrigeration plant is horizontal.
The energy conserving system of refrigeration plant of the present invention, including compressor and motor, further include energy saver, this is energy saving
Device includes housing and the throttle nozzle and turbine that are arranged in housing, and inlet and outlet is provided with housing；Throttle nozzle
Input end by the runner and the inlet communication of housing in housing, the outlet that the port of export passes through the runner in housing and housing connects
It is logical；The motor is penetration type motor, and shaft one end of motor is connected by the shaft of speed changer and compressor, and the other end stretches into
In runner between the outlet of the port of export and housing of throttle nozzle, as the wheel shaft of turbine, the turbine turns installed in motor
The end of axis, and the port of export of throttle nozzle is opposite with the flabellum of turbine, the refrigerant sprayed from the port of export of throttle nozzle
The flabellum of impulse turbine, to drive the shaft of motor to rotate.
Further, multiple throttle nozzles are evenly equipped between case entrances and the runner of outlet, and throttle nozzle is around whirlpool
Wheel arrangement.
Further, the central axis of the port of export of the throttle nozzle and the circumference of turbine are tangent.
Further, the throttle nozzle is tubulose, its exit end is provided with restricting orifice, is offered on restricting orifice
Multiple throttle orifices.
Further, the compressor is enclosed construction, and the motor is located in compression case body, the housing of energy saver
It is fixed together with compressor housing.
Further, the compressor is one in centrifugal compressor, helical-lobe compressor, screw compressor and piston compressor
Kind.
The invention also discloses a kind of refrigeration plant, including condenser, evaporator and above-mentioned energy conserving system, wherein, pressure
The import of contracting machine and the outlet of evaporator are connected by pipeline, and the outlet of compressor and the import of condenser are connected by pipeline；
Import in the outlet of condenser and the housing of energy saver is connected by pipeline；Outlet and evaporation on the housing of energy saver
The import of device is connected by pipeline, and four form closed circuit；Low pressure refrigerant is converted into high-pressure gaseous state by compressor,
Highly pressurised liquid state is converted into by condenser, then is entered from the import of energy saver in energy saver, passes through throttle nozzle, shape
Into the liquid condition of high-voltage high-speed and the flabellum of impulse turbine, make turbine rotation acting, so that drive the shaft of motor to rotate, it is high
The refrigerant liquid of high speed is pressed the refrigerant liquid of low pressure low speed to be formed, from the housing of energy saver after impulse turbine acting
Outlet discharges and flows to evaporator, then is converted into low-pressure gas state through evaporator, is finally circulated back to compressor.
Further, the condenser changes formula condensation for shell and tube condenser, air cooled condenser, evaporative condenser or plate
One kind in device.
Further, the evaporator is one kind in full-liquid type shell-tube evaporator, dry evaporator or downward film evaporator.
The energy conserving system of refrigeration plant of the present invention, due to said structure, it is possible to increase refrigeration plant works
When restriction effect, and reduce the sudden strain of a muscle evaporation capacity of refrigerant, at the same make full use of refrigerant throttle after kinetic energy, refrigerant impact
Turbine, makes turbine rotation acting, so as to drive the shaft of motor to rotate, the rotation to motor has certain auxiliaring effect, into
And the energy consumption of motor is reduced, the efficiency for improving refrigeration plant is horizontal.
Brief description of the drawings
Fig. 1 is the structure diagram of the energy conserving system of the present invention；
Fig. 2 is along the sectional view of line A-A in Fig. 1；
Fig. 3 is the axonometric drawing of turbine；
Fig. 4 is profile of the throttle nozzle along its axis；
Fig. 5 is the schematic diagram of the refrigeration plant of the present invention.
Fig. 6 is the flow regime schematic diagram of refrigerant in the refrigeration plant course of work of the invention；
Fig. 7 is the flow regime schematic diagram of refrigerant in the existing refrigeration plant course of work；
In figure：1-compressor, 11-compressor housing；2-motor；3-turbine；4-housing, 41-import, 42-go out
Mouthful；5-throttle nozzle, 51-restricting orifice, 52-throttle orifice；6-condenser；7-evaporator.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to the energy conserving system of the refrigeration plant shown in Fig. 1 to Fig. 4, including compressor 1, motor 2 and energy saver, compression
Machine 1 is enclosed construction, and the motor 2 is located in compressor housing 11.
The energy saver includes housing 4 and the throttle nozzle 5 and turbine 3 that are arranged in housing 4, the housing of energy saver
4 are fixed together with compressor housing 11, and import 41 and outlet 42 are provided with the housing 4 of energy saver；Throttling spray
The input end of mouth 5 is connected by the runner in housing 4 with the import 41 of housing 4, and the port of export passes through the runner and housing in housing 4
4 outlet 42 connects；The motor 2 is penetration type motor, and shaft one end of motor 2 passes through the shaft of speed changer and compressor 1
Connection, the other end stretched into the runner between the outlet 42 of the port of export and housing 4 of throttle nozzle 5, as the wheel shaft of turbine 3,
The turbine 3 is installed on the end of 2 shaft of motor, and the port of export of throttle nozzle 5 is opposite with the flabellum of turbine 3, from throttling
The flabellum of the refrigerant impulse turbine 3 of the port of export injection of nozzle 5, to drive the shaft of motor 2 to rotate.
In the present embodiment, the throttle nozzle 5 is tubulose, and its one end is provided with restricting orifice 51, in restricting orifice 51
On offer multiple throttle orifices 52.In order to improve the restriction effect of energy saver, and the capacity usage ratio in process of refrigerastion is improved,
Multiple throttle nozzles 5 are evenly equipped between the runner of import 41 and the outlet 42 of housing 4, and throttle nozzle 5 is around 3 cloth of turbine
Put.Refrigerant accelerates the rotation of turbine 3 at the same time by being impacted after multiple throttle nozzles 5 to turbine 3.
And in the present embodiment, the central axis of the port of export of the throttle nozzle and the circumference of turbine are tangent, from section
The flabellum of the refrigerant impulse turbine 3 of the port of export injection of flow nozzle 5 has optimal work efficiency.
A kind of refrigeration plant is also disclosed in the present embodiment, as shown in figure 5, including condenser 6, evaporator 7 and above-mentioned
Energy conserving system, wherein, the import of compressor 1 is connected with the outlet of evaporator 7 by pipeline, outlet and the condenser 6 of compressor 1
Import connected by pipeline；Import 51 in the outlet of condenser 6 and the housing 5 of energy saver is connected by pipeline；It is energy saving
Outlet 52 on the housing 5 of device is connected with the import of evaporator 7 by pipeline, and four form closed circuit.
The refrigerant for being filled with refrigeration working medium is initially low-pressure gas state, and the refrigerant of low pressure is converted by compressor 11
For the gaseous state of high pressure, the liquid condition of high pressure is converted into by condenser 6, then is entered from the import 41 of energy saver energy saving
In device, by throttle nozzle 5, the liquid condition of high-voltage high-speed and the flabellum of impulse turbine 3 are formed, makes the rotation acting of turbine 3,
So as to drive the shaft of motor 2 to rotate, the refrigerant liquid of high-voltage high-speed forms low pressure low speed after the acting of impulse turbine 3
Refrigerant liquid, discharges from the outlet 42 of the housing 4 of energy saver and flows to evaporator 7, then is converted into low pressure gas through evaporator 7
Body state, is finally circulated back to compressor 11.
Particularly, the refrigeration plant in this implementation is not construed as limiting the type of compressor 1, condenser 6 and evaporator 7, institute
It can be one kind in centrifugal compressor, helical-lobe compressor, screw compressor and piston compressor to state compressor 1；The condensation
Device 6 can change one kind in formula condenser for shell and tube condenser, air cooled condenser, evaporative condenser or plate；The steaming
It can be one kind in full-liquid type shell-tube evaporator, dry evaporator or downward film evaporator to send out device 7, the compression in refrigeration plant
Machine 1, condenser 6 and evaporator 7 can make choice according to actual condition.
Likewise, the refrigeration working medium for R22, R134a, R1233zd, R1234zf, R1234ze, R513A, R717 and
One kind in R245fa, selectable range are larger.
When refrigeration plant in the present embodiment works, refrigerant is approximately isentropic expansion process to the impact process of turbine 3,
As shown in fig. 6, the isentropic expansion process waits break throttling process to compare with existing refrigeration plant, the sudden strain of a muscle evaporation capacity of refrigerant
About reduce 5%, that is to say, that the efficiency value of refrigeration plant about 5% can be improved, along with refrigerant impacts in energy saver
Turbine 3, rotates turbine 3 so as to aid in driving the shaft of motor 2 to rotate, and the energy consumption of motor 2 about reduces 5%, integrates,
The efficiency of refrigeration plant is set about to improve 10%, energy-saving effect is very notable.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made, should all fall into the protection domain that claims of the present invention determines.
Claims (9)
1. a kind of energy conserving system of refrigeration plant, including compressor (1) and motor (2), it is characterised in that：Further include energy saving dress
Put, which includes housing (4) and the throttle nozzle (5) and turbine (3) that are arranged in housing, be provided with housing into
Mouth (41) and outlet (42)；The input end of throttle nozzle is passed through by the runner in housing and the inlet communication of housing, the port of export
The outlet of runner and housing in housing；The motor is penetration type motor, shaft one end of motor by speed changer with
The shaft connection of compressor, the other end is stretched into the runner between the outlet of the port of export and housing of throttle nozzle, as turbine
(3) wheel shaft, the turbine is installed on the end of machine shaft, and the port of export of throttle nozzle is opposite with the flabellum of turbine,
The flabellum of the refrigerant impulse turbine sprayed from the port of export of throttle nozzle, to drive the shaft of motor to rotate.
2. the energy conserving system of refrigeration plant according to claim 1, it is characterised in that：In housing (4) inlet and outlet
Multiple throttle nozzles are evenly equipped between runner, and throttle nozzle is arranged around turbine.
3. the energy conserving system of refrigeration plant according to claim 2, it is characterised in that：The outlet of the throttle nozzle (5)
The central axis at end and the circumference of turbine (3) are tangent.
4. the energy conserving system of refrigeration plant according to claim 1 or 2, it is characterised in that：The throttle nozzle (5) is pipe
Shape, its exit end are provided with restricting orifice (51), and multiple throttle orifices (52) are offered on restricting orifice.
5. the energy conserving system of refrigeration plant according to claim 1, it is characterised in that：The compressor (1) is closed
Structure, the motor are located in compressor housing (11), and housing and the compressor housing (11) of energy saver are fixedly connected on one
Rise.
6. the energy conserving system of refrigeration plant according to claim 1 or 5, it is characterised in that：The compressor (1) is centrifugation
One kind in compressor, helical-lobe compressor, screw compressor and piston compressor.
7. a kind of refrigeration plant, it is characterised in that energy saving described in including condenser (6), evaporator (7) and claim 1-5
System, wherein, the import of compressor and the outlet of evaporator are connected by pipeline, and the outlet of compressor and the import of condenser are led to
Piping connects；Import in the outlet of condenser and the housing of energy saver is connected by pipeline；On the housing of energy saver
Outlet and the import of evaporator connected by pipeline, four form closed circuits；
Low pressure refrigerant is converted into high-pressure gaseous state by compressor, and highly pressurised liquid state is converted into by condenser, then from
The import of energy saver enters in energy saver, by throttle nozzle, forms the liquid condition and impulse turbine of high-voltage high-speed
Flabellum, makes turbine rotation acting, so as to drive the shaft of motor to rotate, the refrigerant liquid of high-voltage high-speed does work in impulse turbine
Afterwards, the refrigerant liquid of low pressure low speed is formed, is discharged from the housing outlets of energy saver and flows to evaporator, then is turned through evaporator
Low-pressure gas state is turned to, is finally circulated back to compressor.
8. refrigeration plant according to claim 7, it is characterised in that：The condenser (6) is shell and tube condenser, air-cooled
Formula condenser, evaporative condenser or plate change one kind in formula condenser.
9. refrigeration plant according to claim 7, it is characterised in that：The evaporator (7) for full-liquid type shell-tube evaporator,
One kind in dry evaporator or downward film evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381074.4A CN107940786A (en) | 2017-12-20 | 2017-12-20 | A kind of energy conserving system of refrigeration plant and there is its refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711381074.4A CN107940786A (en) | 2017-12-20 | 2017-12-20 | A kind of energy conserving system of refrigeration plant and there is its refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940786A true CN107940786A (en) | 2018-04-20 |
Family
ID=61941329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711381074.4A Pending CN107940786A (en) | 2017-12-20 | 2017-12-20 | A kind of energy conserving system of refrigeration plant and there is its refrigeration plant |
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| Country | Link |
|---|---|
| CN (1) | CN107940786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074467A (en) * | 2020-01-06 | 2021-07-06 | Lg电子株式会社 | Ejector, and absorption type cooler and heater including the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117573A (en) * | 1994-04-05 | 1996-02-28 | 运载器有限公司 | Two phase flow turbine |
| US5515694A (en) * | 1995-01-30 | 1996-05-14 | Carrier Corporation | Subcooler level control for a turbine expansion refrigeration cycle |
| CN106194301A (en) * | 2015-04-30 | 2016-12-07 | 殷洪生 | Electric power amplification system and amplification method thereof |
| CN208042550U (en) * | 2017-12-20 | 2018-11-02 | 白皓天 | A kind of energy conserving system of refrigeration equipment and the refrigeration equipment with it |
-
2017
- 2017-12-20 CN CN201711381074.4A patent/CN107940786A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117573A (en) * | 1994-04-05 | 1996-02-28 | 运载器有限公司 | Two phase flow turbine |
| US5515694A (en) * | 1995-01-30 | 1996-05-14 | Carrier Corporation | Subcooler level control for a turbine expansion refrigeration cycle |
| CN106194301A (en) * | 2015-04-30 | 2016-12-07 | 殷洪生 | Electric power amplification system and amplification method thereof |
| CN208042550U (en) * | 2017-12-20 | 2018-11-02 | 白皓天 | A kind of energy conserving system of refrigeration equipment and the refrigeration equipment with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074467A (en) * | 2020-01-06 | 2021-07-06 | Lg电子株式会社 | Ejector, and absorption type cooler and heater including the same |
| CN113074467B (en) * | 2020-01-06 | 2023-01-20 | Lg电子株式会社 | Ejector, and absorption type cooler and heater including the same |
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