CN108036536A - A kind of air-conditioning refrigeration system - Google Patents
A kind of air-conditioning refrigeration system Download PDFInfo
- Publication number
- CN108036536A CN108036536A CN201711065444.3A CN201711065444A CN108036536A CN 108036536 A CN108036536 A CN 108036536A CN 201711065444 A CN201711065444 A CN 201711065444A CN 108036536 A CN108036536 A CN 108036536A
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- Prior art keywords
- air
- helical
- volute
- compressor
- outlet
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Classifications
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- 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
Abstract
The present invention relates to a kind of air-conditioning refrigeration system, including evaporator, air compressor machine, condenser and helical-lobe compressor；The input shaft end of helical-lobe compressor, which rotates, is equipped with volute, and turbine is equipped with volute, and the extreme ends of helical-lobe compressor input shaft are stretched into volute to be coaxially connected with turbine, has inlet and liquid outlet on volute；The inlet and liquid outlet of volute are connected by pipeline with the outlet end of condenser and the liquid feeding end of evaporator respectively；The gas outlet of evaporator is connected by pipeline with the air inlet of air compressor machine and the air inlet of helical-lobe compressor respectively；The exhaust outlet of air compressor machine and the exhaust outlet of helical-lobe compressor are connected by pipeline with the air inlet of condenser respectively.Advantage：It is reasonable in design, the energy of high-pressure refrigerant can be effectively recycled, makes its acting, so as to can not only have the function that reducing pressure by regulating flow but also can increase unit refrigerating capacity, whole system is simple in structure, and failure rate is low, reliable, easy to control.
Description
Technical field
The present invention relates to Refrigeration Technique, more particularly to a kind of air-conditioning refrigeration system.
Background technology
The high pressure refrigerant liquid of air-conditioner set carrys out reducing pressure by regulating flow by expansion valve or other types of throttling arrangement at present, this
Method is that the energy of refrigerant is consumed with resistance, so that refrigerant pressure reduces, but cannot effectively recycle refrigeration
The energy of agent consumption, it is impossible to play the role of good energy-saving and environmental protection.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of air-conditioning refrigeration system, effectively overcome the prior art
Defect.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of air-conditioning refrigeration system, including evaporator, pneumatics
Machine, condenser and helical-lobe compressor；
The input shaft end of above-mentioned helical-lobe compressor, which rotates, is equipped with volute, and turbine, above-mentioned screw rod pressure are equipped with above-mentioned volute
The extreme ends of contracting machine input shaft are stretched into volute to be coaxially connected with above-mentioned turbine, has inlet on above-mentioned volute and goes out liquid
Mouthful；
The inlet and liquid outlet of above-mentioned volute respectively by the outlet end of pipeline and above-mentioned condenser and evaporator into
Liquid end connects；
The gas outlet of above-mentioned evaporator passes through the air inlet of pipeline and above-mentioned air compressor machine and above-mentioned helical-lobe compressor respectively
Air inlet connects；
The exhaust outlet of the exhaust outlet of above-mentioned air compressor machine and above-mentioned helical-lobe compressor passes through pipeline and above-mentioned condenser respectively
Air inlet connects.
The beneficial effects of the invention are as follows：It is reasonable in design, the energy of high-pressure refrigerant can be effectively recycled, makes its acting,
So as to can not only have the function that reducing pressure by regulating flow but also can increase unit refrigerating capacity, whole system is simple in structure, and failure rate is low, fortune
Row is reliable, easy to control.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, above-mentioned helical-lobe compressor is single screw compressor or double-screw compressor.
Beneficial effect using above-mentioned further scheme is easy to use, can flexibly select screw rod pressure according to the actual requirements
The model of contracting machine.
Further, the inlet of above-mentioned volute and liquid outlet are separately positioned on its opposite both sides.
Beneficial effect using above-mentioned further scheme is the correct flow direction being beneficial into volute internal high pressure refrigerant.
Further, the gas outlet connection of above-mentioned evaporator sets the first gas-tpe fitting, the air inlet of above-mentioned air compressor machine and above-mentioned
The air inlet of helical-lobe compressor is connected to and in communication with by pipeline and above-mentioned first gas-tpe fitting respectively.
The connection of evaporator and air compressor machine and helical-lobe compressor is easy for using the beneficial effect of above-mentioned further scheme, is made
It is easy to connect, flexible to obtain three.
Further, the air inlet connection of above-mentioned condenser sets the second gas-tpe fitting, the exhaust outlet of above-mentioned air compressor machine and above-mentioned
The exhaust outlet of helical-lobe compressor is connected to and in communication with by pipeline and above-mentioned second gas-tpe fitting respectively.
It is so that three is easy to connect, flexible using the beneficial effect of above-mentioned further scheme.
Further, above-mentioned first gas-tpe fitting and/or the second gas-tpe fitting are three-way connection.
Beneficial effect using above-mentioned further scheme is easy to use.
Further, the pipeline that the inlet of above-mentioned volute is connected with the outlet end of above-mentioned condenser is equipped with liquid pump.
Beneficial effect using above-mentioned further scheme is that the flow velocity of high-pressure refrigerant can be lifted by liquid pump, so as to adjust
The rotating speed of turbine, is preferably beneficial to the acting of helical-lobe compressor.
Brief description of the drawings
Fig. 1 is the structure diagram of the air-conditioning refrigeration system of the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, evaporator, 2, air compressor machine, 3, condenser, 4, helical-lobe compressor, 5, volute, 6, liquid pump, 51, turbine.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment：As shown in Figure 1, the air-conditioning refrigeration system of the present embodiment includes evaporator 1, air compressor machine 2,3 and of condenser
Helical-lobe compressor 4；
The input shaft end of above-mentioned helical-lobe compressor 4, which rotates, is equipped with volute 5, and turbine 51, above-mentioned spiral shell are equipped with above-mentioned volute 5
The extreme ends of 4 input shaft of bar compressor are stretched into volute 5 to be coaxially connected with above-mentioned turbine 51, has feed liquor on above-mentioned volute 5
Mouth and liquid outlet；
The inlet and liquid outlet of above-mentioned volute 5 pass through the outlet end of pipeline and above-mentioned condenser 3 and evaporator 1 respectively
Liquid feeding end connects；
The gas outlet of above-mentioned evaporator 1 passes through pipeline and the air inlet and above-mentioned helical-lobe compressor 4 of above-mentioned air compressor machine 2 respectively
Air inlet connection；
The exhaust outlet of above-mentioned air compressor machine 2 and the exhaust outlet of above-mentioned helical-lobe compressor 4 pass through pipeline and above-mentioned condenser 3 respectively
Air inlet connection.
In the course of work, the suction of air compressor machine 2 carrys out the refrigerant gas of the low-temp low-pressure of flash-pot 1 and is compressed into high temperature height
Enter in condenser the refrigerant liquid for being condensed into normal temperature high voltage after the refrigerant gas of pressure, enter back into volute 5 and utilize fluid
Turbine 51 is promoted to rotate, turbine 51 drives the input shaft of helical-lobe compressor 4 to rotate acting, so as to complete to 1 part of evaporator point
The air-breathing of the refrigerant gas of low-temp low-pressure after stream, compression, the work of exhaust are (since the resistance that turbine 51 does work consumes system
The energy of cryogen, makes the pressure of refrigerant reduce, and has reached energy saving effect), through turbine 51 decompression after refrigerant liquid into
Enter evaporator 1 and absorb external heat and flash to after gas and sucked by air compressor machine 2 as the gas of low-temp low-pressure again and to form refrigeration and follow
Ring.In whole process, it is low that turbine 51 rotates the low temperature for driving the input shaft rotation suction of helical-lobe compressor 4 to be shunted from evaporator 1
Compacting cold air, which is compressed into after the refrigerant gas of high temperature and pressure, also to be entered in condenser 3, also form a compression exhaust mistake
Journey.Capacity is added in the case of no increase electric power so as to reach the effect of increase refrigerating capacity.
Above-mentioned helical-lobe compressor 4 is single screw compressor or double-screw compressor, and prioritizing selection carries the twin-screw of guiding valve
Compressor, since the pressure of refrigerant changes, so being moved left and right by the guiding valve in double-screw compressor to adjust
The effective length of screw rod, the longer turbine resistance of screw rod that guiding valve covers is bigger, and the corresponding refrigerant pressure after turbine 51 is got over
It is low；The screw rod that guiding valve covers gets over that short turbodrill resistance is smaller, and the corresponding refrigerant pressure after turbine 51 is smaller.
Preferably, the inlet and liquid outlet of above-mentioned volute 5 are separately positioned on its opposite both sides, this is rationally distributed, profit
In flowing acting of the normal temperature high voltage refrigerant in volute 5.
Preferably, the gas outlet connection of above-mentioned evaporator 1 is equipped with the first gas-tpe fitting, the air inlet of above-mentioned air compressor machine 2 with
The air inlet of above-mentioned helical-lobe compressor 4 is connected to and in communication with by pipeline and above-mentioned first gas-tpe fitting respectively, optimal, this first
Gas-tpe fitting is threeway, three of them the interface gas outlet with evaporator 1, the air inlet of air compressor machine 2 and helical-lobe compressor 4 respectively
Air inlet connects, and is arranged easy to the connection of each pipeline.
Preferably, the air inlet connection of above-mentioned condenser 3 is equipped with the second gas-tpe fitting, the exhaust outlet of above-mentioned air compressor machine 2 with
The exhaust outlet of above-mentioned helical-lobe compressor 4 is connected to and in communication with by pipeline and above-mentioned second gas-tpe fitting respectively, optimal, this second
Gas-tpe fitting is threeway, three of them the interface air inlet with condenser 3, the exhaust outlet of air compressor machine 2 and helical-lobe compressor 4 respectively
Exhaust outlet connects, and is arranged easy to the connection of each pipeline.
Preferably, the pipeline that the inlet of above-mentioned volute 5 is connected with the outlet end of above-mentioned condenser 3 is equipped with liquid pump 6, lead to
The flow velocity that the liquid pump 6 adjusts the normal temperature high voltage refrigerant that condenser 3 is flowed to volute 5 is crossed, so that turbine 51 can have
Being promoted by refrigerant for effect rotates, it is ensured that the efficient or effective acting of helical-lobe compressor 4.
It can also set to detect the velocity sensor of 51 rotating speed of turbine at above-mentioned turbine 51, the velocity sensor is external
Controller, the controller are connected with liquid pump 6, and high-pressure refrigerant is promoted in 51 rotation process of turbine, and velocity sensor monitors in real time
Its rotary state, and rotary speed information is sent to controller, if rotating speed is less than setting value, controller control liquid pump 6, which is adjusted, to be increased
Its big output power, improves the flow velocity of refrigerant, until rotating speed is equal with setting value, if rotating speed is higher than setting value, controller
Control liquid pump 6 to adjust to reduce its output power or directly close, to reduce the flow velocity of refrigerant, meet the work of helical-lobe compressor 4
Make demand.
On the pipeline that the gas outlet of above-mentioned evaporator 1 is connected with the air inlet of helical-lobe compressor 4 and above-mentioned screw compression
On the pipeline that the exhaust outlet of machine 4 is connected with the air inlet of condenser 3 valve is respectively equipped with, can control valve according to the actual requirements
Open and-shut mode, so that determining whether helical-lobe compressor 4 does work compresses refrigerant gas.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (7)
- A kind of 1. air-conditioning refrigeration system, it is characterised in that：Including evaporator (1), air compressor machine (2), condenser (3) and screw compression Machine (4)；The input shaft end of the helical-lobe compressor (4), which rotates, is equipped with volute (5), and turbine (51), institute are equipped with the volute (5) State helical-lobe compressor (4) input shaft extreme ends stretch into volute (5) with the turbine (51) is coaxial is connected, the volute (5) there is inlet and liquid outlet on；The inlet and liquid outlet of the volute (5) pass through pipeline and the outlet end and evaporator (1) of the condenser (3) respectively Liquid feeding end connection；The gas outlet of the evaporator (1) passes through the air inlet and the helical-lobe compressor of pipeline and the air compressor machine (2) respectively (4) air inlet connection；The exhaust outlet of the air compressor machine (2) and the exhaust outlet of the helical-lobe compressor (4) pass through pipeline and the condenser respectively (3) air inlet connection.
- A kind of 2. air-conditioning refrigeration system according to claim 1, it is characterised in that：The helical-lobe compressor (4) is single spiral shell Bar compressor or double-screw compressor.
- A kind of 3. air-conditioning refrigeration system according to claim 1, it is characterised in that：The inlet of the volute (5) and go out Liquid mouth is separately positioned on its opposite both sides.
- A kind of 4. air-conditioning refrigeration system according to claim 1, it is characterised in that：The gas outlet of the evaporator (1) connects Logical to be equipped with the first gas-tpe fitting, the air inlet of the air compressor machine (2) and the air inlet of the helical-lobe compressor (4) pass through pipe respectively Road is connected to and in communication with first gas-tpe fitting.
- A kind of 5. air-conditioning refrigeration system according to claim 4, it is characterised in that：The air inlet of the condenser (3) connects Logical to be equipped with the second gas-tpe fitting, the exhaust outlet of the air compressor machine (2) and the exhaust outlet of the helical-lobe compressor (4) pass through pipe respectively Road is connected to and in communication with second gas-tpe fitting.
- A kind of 6. air-conditioning refrigeration system according to claim 5, it is characterised in that：First gas-tpe fitting and/or Two gas-tpe fittings are three-way connection.
- A kind of 7. air-conditioning refrigeration system according to any one of claims 1 to 5, it is characterised in that：The volute (5) into The pipeline that liquid mouth is connected with the outlet end of the condenser (3) is equipped with liquid pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065444.3A CN108036536A (en) | 2017-11-02 | 2017-11-02 | A kind of air-conditioning refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711065444.3A CN108036536A (en) | 2017-11-02 | 2017-11-02 | A kind of air-conditioning refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036536A true CN108036536A (en) | 2018-05-15 |
Family
ID=62093594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711065444.3A Pending CN108036536A (en) | 2017-11-02 | 2017-11-02 | A kind of air-conditioning refrigeration system |
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| Country | Link |
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| CN (1) | CN108036536A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070186578A1 (en) * | 2006-02-13 | 2007-08-16 | Junkang Lee | Air compressor and expander |
| CN101646909A (en) * | 2007-04-10 | 2010-02-10 | 开利公司 | Refrigerant system with expander speed control |
| CN105352213A (en) * | 2015-12-14 | 2016-02-24 | 上海理工大学 | Steam and air cascade refrigerating system |
| CN205591973U (en) * | 2016-02-25 | 2016-09-21 | 德耐尔压缩机制造（上海）有限公司 | Power generation system |
| CN106642782A (en) * | 2017-01-05 | 2017-05-10 | 中国科学院合肥物质科学研究院 | Closed air refrigerating machine |
-
2017
- 2017-11-02 CN CN201711065444.3A patent/CN108036536A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070186578A1 (en) * | 2006-02-13 | 2007-08-16 | Junkang Lee | Air compressor and expander |
| CN101646909A (en) * | 2007-04-10 | 2010-02-10 | 开利公司 | Refrigerant system with expander speed control |
| CN105352213A (en) * | 2015-12-14 | 2016-02-24 | 上海理工大学 | Steam and air cascade refrigerating system |
| CN205591973U (en) * | 2016-02-25 | 2016-09-21 | 德耐尔压缩机制造（上海）有限公司 | Power generation system |
| CN106642782A (en) * | 2017-01-05 | 2017-05-10 | 中国科学院合肥物质科学研究院 | Closed air refrigerating machine |
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Application publication date: 20180515 |
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| RJ01 | Rejection of invention patent application after publication |