CN205807890U - Screw flooded fridge - Google Patents
Screw flooded fridge Download PDFInfo
- Publication number
- CN205807890U CN205807890U CN201620666222.1U CN201620666222U CN205807890U CN 205807890 U CN205807890 U CN 205807890U CN 201620666222 U CN201620666222 U CN 201620666222U CN 205807890 U CN205807890 U CN 205807890U
- Authority
- CN
- China
- Prior art keywords
- oil
- compressor
- oil return
- injection
- vaporizer
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a kind of screw flooded fridge, including compressor, condenser and vaporizer, the outlet of condenser is connected by second pipe with the entrance of vaporizer, the outlet of vaporizer is connected by the 3rd pipeline with the entrance of compressor, the porch of described condenser is provided with oil eliminator, and the entrance of oil eliminator is connected by the first pipeline with the outlet of compressor；Oil-recovery tank it is provided with in vaporizer, the oil drain out of oil eliminator is connected by oil eliminator oil return pipe and the 3rd pipeline, the oil return opening of oil-recovery tank is connected by injection oil return pipe and the 3rd pipeline, and injection oil return pipe is provided with jet pump, and the quantity of injection oil return pipe includes at least 2 tunnels；Lubricating oil in oil-recovery tank is through two-way jet pump injection to compressor, and lubricating oil separation is out returned to compressor by oil eliminator, forms the lubricating system of circulation；At least No. 2 oil return pipes are set, improve the efficiency of oil return so that the lubricant effect of compressor is more preferable, and the service life of compressor improves more than 50%.
Description
Technical field
This utility model relates to art of refrigeration units, particularly relates to screw flooded fridge.
Background technology
Screw flooded fridge is to be changed by the pressure of compressor converted change cold media gas thus carries out the machinery freezed
Equipment, is widely used in the production-line technique groove medicines such as surface process, plating, anodic oxidation, hardening oxidation, chemical industry, photovoltaic, medicine
Water circulating cooling.Screw flooded fridge is because using screw compressor is one of conventional fridge, mainly by pressing
Contracting machine, vaporizer, condenser, the freezing composition such as accessory, electric-control system.Freezing unit in running, compressor, evaporation
The lubricating oil of a part of compressor all can be stored in device, condenser, pipeline and accessory, but, return to after kind of refrigeration cycle
Lubricants capacity in compressor is very few, it is difficult to meet the lubrication needs of compressor, easily causes the phenomenon of compressor oil starvation, serious shadow
Ring the service life of compressor.Meanwhile, compressor works long hours and easily makes that compressor temperature is too high causes compressor and freeze
Deterioration of oil, motor coil are aging, affect effect and the service life of compressor.
Utility model content
This utility model solves the technical problem that there is provided one can effectively cool down so that compress to compressor
The screw flooded freezing unit that service life of machine is longer.
This utility model solves its technical problem and be the technical scheme is that screw flooded fridge, including compression
Machine, condenser and vaporizer, the outlet of condenser is connected by second pipe with the entrance of vaporizer, the outlet of vaporizer with
The entrance of compressor is connected by the 3rd pipeline, and the porch of described condenser is provided with oil eliminator, the entrance of oil eliminator
Outlet with compressor is connected by the first pipeline；Being provided with oil-recovery tank in vaporizer, the oil drain out of oil eliminator is by oil point
Being connected from device oil return pipe and the 3rd pipeline, the oil return opening of oil-recovery tank is connected by injection oil return pipe and the 3rd pipeline, injection oil return
Pipe is provided with jet pump, and the quantity of injection oil return pipe includes at least 2 tunnels.
Lubricating oil in oil-recovery tank is through jet pump injection to compressor, and lubricating oil separation is out returned to pressure by oil eliminator
Contracting machine, forms the lubricating system of circulation；At least No. 2 oil return pipes are set, improve the efficiency of oil return so that the lubrication effect of compressor
More preferably, the service life of compressor improves more than 50% to fruit.
Further, described injection oil return pipe is respectively arranged with injection oil return solenoid valve, injection oil return solenoid valve position
Porch in jet pump；Oil eliminator oil return pipe is provided with oil eliminator electromagnetic valve.
Further, described compressor is provided with auxiliary entrance, and second pipe is provided with the pressure being connected with auxiliary entrance
Contracting machine cooling arm.
This utility model provides the benefit that: the lubricating oil in oil-recovery tank is through jet pump injection to compressor, to compressor
Being lubricated, after coolant and lubricating oil are compressed by the compressor, enter oil eliminator simultaneously, oil eliminator is by lubricating oil separation out
Return to compressor, form the lubricating system of circulation；Coolant enters condenser and cools down, compressor, condenser and vaporizer
Form the refrigeration system of circulation；At least 2 oil return pipes are set, improve the efficiency of oil return so that the lubricant effect of compressor is more
Good, the service life of compressor improves more than 50%.
Accompanying drawing explanation
Fig. 1 is screw flooded fridge schematic diagram；
Being labeled as in figure: compressor 1, the first pipeline 11, auxiliary entrance 12, condenser 2, second pipe 21, compressor is cold
But arm 22, the 3rd pipeline 31, vaporizer 3, oil eliminator 4, oil eliminator oil return pipe 41, injection oil return pipe 42, jet pump 43,
Injection oil return solenoid valve 44, oil eliminator oil return solenoid valve 45.
Detailed description of the invention
With detailed description of the invention, this utility model is illustrated further below in conjunction with the accompanying drawings.
As it is shown in figure 1, screw flooded fridge, including compressor 1, condenser 2 and vaporizer 3, going out of condenser 2
Mouth is connected by second pipe 21 with the entrance of vaporizer 3, and the entrance of the outlet of vaporizer 3 and compressor 1 is by the 3rd pipeline
31 are connected, and the porch of described condenser 2 is provided with oil eliminator 4, and the entrance of oil eliminator 4 passes through with the outlet of compressor 1
First pipeline 11 is connected；Be provided with oil-recovery tank in vaporizer 3, the oil drain out of oil eliminator 4 by oil eliminator oil return pipe 41 with
3rd pipeline 31 is connected, and the oil return opening of oil-recovery tank is connected with the 3rd pipeline 31 by injection oil return pipe 42, and injection oil return pipe 42 sets
Being equipped with jet pump 43, the quantity of injection oil return pipe 42 includes at least 2 tunnels；Lubricating oil in oil-recovery tank is through jet pump 43 injection extremely
Compressor 1, is lubricated compressor 1, after coolant is compressed by compressor 1 with lubricating oil simultaneously, enters oil eliminator 4, oil point
From device 4, lubricating oil separation is out returned to compressor 1, form the lubricating system of circulation；Coolant enters condenser 2 and cools down,
Compressor 1, condenser 2 and vaporizer 3 form the refrigeration system of circulation；At least 2 pass are set and are emitted back towards oil pipe 42, improve back
The efficiency of oil so that the lubricant effect of compressor 1 is more preferable, and the service life of compressor improves more than 50%.
Also include that controller, described compressor 1, condenser 2, vaporizer 3 and jet pump 43 are connected with controller respectively；
Compressor 1, condenser 2, vaporizer 3 and the action of jet pump 43 is controlled, it is achieved that automatization's control of complete machine by controller
System, easy to control.
Being respectively arranged with injection oil return solenoid valve 44 on described injection oil return pipe 42, injection oil return solenoid valve 44 is positioned at injection
The porch of pump 43；Oil eliminator oil return pipe 41 is provided with oil eliminator electromagnetic valve 45；Injection oil return solenoid valve 44 and oil point
It is connected with controller respectively from device electromagnetic valve 45；Injection oil return solenoid valve 44 is for controlling the break-make of jet pump 43, it is ensured that compression
The lubricant effect of machine 1 is more preferable.
Described compressor 1 is provided with auxiliary entrance 12, and second pipe 21 is provided with the compressor being connected with auxiliary entrance 12
Cooling arm 22；The outlet of condenser 2 operative liquid coolant out is transported to the auxiliary of compressor 1 by compressor cooling arm 22
Helping entrance 12, the outlet of liquid refrigerants and vaporizer 3 steam state coolant out simultaneously enters compressor 1 and is compressed, Ke Yiyou
Compressor 1 is cooled down by effect, prevents that compressor 1 temperature is too high causes compressor and freeze deterioration of oil compressor electric motor coil old
Change, thus extend the service life of compressor 1.
Screw flooded fridge of the present utility model, the lubricating oil in oil-recovery tank is through the extremely compression of two-way jet pump injection
Machine, is lubricated compressor, after coolant and lubricating oil are compressed by the compressor simultaneously, enters oil eliminator, and oil eliminator will profit
Lubricating oil is separated and is returned to compressor, forms the lubricating system of circulation；Coolant enters condenser and cools down, compressor, condensation
Device and vaporizer form the refrigeration system of circulation；At least No. 2 oil return pipes are set, improve the efficiency of oil return so that compressor
Lubricant effect more preferable, the service life of compressor improves more than 50%.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
This utility model processed, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all
Within protection domain of the present utility model should be included in.
Claims (3)
- The most screw flooded fridge, including compressor, condenser and vaporizer, the outlet of condenser and the entrance of vaporizer Being connected by second pipe, the outlet of vaporizer is connected by the 3rd pipeline with the entrance of compressor, it is characterised in that: described cold The porch of condenser is provided with oil eliminator, and the entrance of oil eliminator is connected by the first pipeline with the outlet of compressor；Evaporation Being provided with oil-recovery tank in device, the oil drain out of oil eliminator is connected by oil eliminator oil return pipe and the 3rd pipeline, returning of oil-recovery tank Hydraulic fluid port is connected by injection oil return pipe and the 3rd pipeline, and injection oil return pipe is provided with jet pump, and the quantity of injection oil return pipe includes At least 2 tunnels.
- Screw flooded fridge the most as claimed in claim 1, it is characterised in that: it is respectively arranged with on described injection oil return pipe Injection oil return solenoid valve, injection oil return solenoid valve is positioned at the porch of jet pump；Oil eliminator oil return pipe is provided with oil eliminator Electromagnetic valve.
- Screw flooded fridge the most as claimed in claim 2, it is characterised in that: described compressor is provided with auxiliary entrance, Second pipe is provided with the compressor cooling arm being connected with auxiliary entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666222.1U CN205807890U (en) | 2016-06-21 | 2016-06-21 | Screw flooded fridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666222.1U CN205807890U (en) | 2016-06-21 | 2016-06-21 | Screw flooded fridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205807890U true CN205807890U (en) | 2016-12-14 |
Family
ID=57512690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620666222.1U Expired - Fee Related CN205807890U (en) | 2016-06-21 | 2016-06-21 | Screw flooded fridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205807890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465231A (en) * | 2021-06-28 | 2021-10-01 | 青岛海尔空调电子有限公司 | Oil separator, oil return system and refrigerating system |
-
2016
- 2016-06-21 CN CN201620666222.1U patent/CN205807890U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465231A (en) * | 2021-06-28 | 2021-10-01 | 青岛海尔空调电子有限公司 | Oil separator, oil return system and refrigerating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204413757U (en) | A kind of lathe water circulation system | |
| CN107816823A (en) | Refrigeration system and its lubricating method | |
| CN205807890U (en) | Screw flooded fridge | |
| CN101949619B (en) | Lubricating oil and refrigerant separation device of refrigerating unit and operating method thereof | |
| CN203657303U (en) | Oil recovery device with cooling function and refrigerating system applying same | |
| CN208254030U (en) | A kind of cryogenic refrigeration systems using environmentally friendly refrigerant R448A | |
| CN205807891U (en) | Screw flooded fridge device | |
| CN102287524A (en) | Speed reducer lubrication system | |
| CN205718036U (en) | Screw flooded freezing unit with economizer | |
| CN2813046Y (en) | Semicoductor cold-trap device located between vacuum chamber and molecular pump, oil seal mechanical pump | |
| CN203375155U (en) | Mechanical transmission lubricating oil temperature precision control device | |
| CN106593871A (en) | Working method for 37 KW screw type compressor, refrigerating machine and filter system | |
| CN105927618A (en) | Industrial refrigerating device used for hydraulic bypass and provided with piston type pressure release valves | |
| CN102996406A (en) | External oil cooling device for novel water-cooled type low-temperature refrigerant compressor unit | |
| CN212320118U (en) | Energy-saving multi-system oil liquid cooling device | |
| CN1912147A (en) | Process for blast dewet of ironmaking blast furnace and its equipment | |
| CN104696196B (en) | Oil-free constant-temperature compressor | |
| CN205779728U (en) | Compressor and freeze oil cooler | |
| CN205860537U (en) | Dry type screw freezing unit | |
| CN205718038U (en) | Dry type screw refrigerator | |
| CN207378465U (en) | Rocker arm of coal mining machine lubricant passage way | |
| CN106089635A (en) | A kind of vacuum pump set of the steam that mainly draws water | |
| CN218151436U (en) | Screw type ammonia compressor | |
| CN218764108U (en) | Refrigerating system capable of recycling condensing agent | |
| CN106288472B (en) | Double evaporators handpiece Water Chilling Units and its oil return method and cold oil method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190621 |