CN207797440U - A kind of Condensing units with oil cooler - Google Patents
A kind of Condensing units with oil cooler Download PDFInfo
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- CN207797440U CN207797440U CN201721694554.1U CN201721694554U CN207797440U CN 207797440 U CN207797440 U CN 207797440U CN 201721694554 U CN201721694554 U CN 201721694554U CN 207797440 U CN207797440 U CN 207797440U
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Abstract
A kind of Condensing units with oil cooler, including compressor, oil eliminator, condenser, first pipeline and oil cooler, the gas feed of the exhaust outlet and oil eliminator of compressor connects, the gas vent of oil eliminator and the air inlet of condenser connect, condenser is set to the top of oil cooler, condenser passes through the first pipeline connection with oil cooler, the end of oil cooler is respectively equipped with freezing oil inlet and freezing oil export, the freezing oil inlet of oil cooler and the oil outlet of oil eliminator connect, the freezing oil export of oil cooler and the oil return opening of compressor connect.Condensing units use three device integrated devices and economizer, improve refrigerating capacity of the unit under worst cold case, ensure the economy of unit.Full-liquid type oil cooler good effect of heat exchange, oil temperature fluctuation is small, and scale problems are not present inside heat exchanger, and using water wisely does not increase excess power, is conducive to set steady, Effec-tive Function, Condensing units more compact structure.
Description
Technical field
The utility model is related to technical field of refrigeration equipment, more particularly to a kind of compression condensation machine with oil cooler
Group.
Background technology
Currently, the screw compression using water-cooled condenser condenses unit, the type of cooling of refrigeration oil is typically the shape of water cooling
Formula.It not only needs to increase cooling water inflow and pump power using water cooling mode, and wants additional deployment tube in compressor set
Road influences unit integral layout；Also, water cooling is used, oil temperature fluctuation is big, and easy fouling inside oil cooler needs often
Cleaning, is unfavorable for that unit is long-term, stable operation.In addition, when existing Condensing units are run under worst cold case, refrigeration
Amount can reduce, and be deteriorated so as to cause the economy of unit.Accordingly, it is desirable to provide a kind of realistic plan solves above-mentioned ask
Topic.
Utility model content
Technical problem to be solved in the utility model is：There is provided a kind of band oil cooling of refrigeration oil in effective cooling unit but
The Condensing units of device.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of Condensing units with oil cooler, including compressor, oil eliminator, condenser, the first pipeline and
The gas feed of oil cooler, the exhaust outlet and oil eliminator of the compressor connects, the gas vent of the oil eliminator
It is connect with the air inlet of condenser, the condenser is set to the top of oil cooler, and the condenser is logical with oil cooler
The first pipeline connection is crossed, the end of the oil cooler is respectively equipped with freezing oil inlet and freezing oil export, and the oil cooling is but
The freezing oil inlet of device and the oil outlet of oil eliminator connect, the freezing oil export of the oil cooler and returning for compressor
Hydraulic fluid port connects.
Further, further include three device integrated devices, the inlet of the three devices integrated device and the liquid outlet of condenser connect,
The gas feed of the three devices integrated device is connect with refrigeration system end, the gas vent of the three devices integrated device and compressor
Air inlet is connected.
Further, further include economizer, be respectively equipped on the economizer the first liquid-inlet, second liquid import,
First gas exports and second liquid outlet, first liquid-inlet and first gas outlet, the second liquid into
The liquid outlet of mouth and second liquid outlet, the three devices integrated device connects with the first liquid-inlet and second liquid import respectively
It connects, the first gas outlet is connect with the gas supplementing opening on compressor, and the second liquid outlet is connect with refrigeration system end.
Further, the oil cooler be shell-and-tube heat exchanger, the freezing oil inlet into oil cooler with
Freezing oil export is respectively communicated with the heat exchanger tube in oil cooler, and the top of the oil cooler is equipped with first interface, described
First interface is connected to the inner cavity of the first pipeline and oil cooler.
Further, the condenser is water-cooled condenser, the end of the condenser be respectively equipped with cooling water inlet and
Cooling water outlet, the bottom of the condenser are equipped with second interface, and the second interface is connected to the interior of the first pipeline and condenser
Chamber.
Further, the compressor is semi-hermetic screw compressor, and the number of the compressor is at least one.
Further, the economizer is plate heat exchanger.
The beneficial effects of the utility model are：Oil cooler is set to the lower section of condenser, is made by refrigerant using gravity
Water cooling is replaced for cooling medium, entire cooling procedure good effect of heat exchange, oil fluctuation is small, because cooling medium is refrigerant, thus it is oily
Scale problems are not present inside cooling device；Using water wisely simultaneously, need not increase excess power, be conducive to set steady, height
Effect operation, entire unit need not also arrange additional water cooling pipeline, easy for installation, to make Condensing units structure more
Step up to gather.
Description of the drawings
Fig. 1 is the structural schematic diagram of the Condensing units with oil cooler of the utility model embodiment.
Label declaration：
1, compressor；
2, oil eliminator；
3, condenser；31, cooling water inlet；32, cooling water outlet；33, first interface；
4, the first pipeline；
5, oil cooler；51, oil inlet is freezed；52, oil export is freezed；53, second interface；
6, three device integrated device；
7, economizer；71, the first liquid-inlet；72, second liquid import；73, first gas exports；74, second liquid
Outlet.
Specific implementation mode
For technology contents, the objects and the effects of the utility model are described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
Refrigeration system end described in the utility model includes the equipment such as evaporator, all kinds of valves and pipeline, acts on it
One is to be transported in compressor after the liquid refrigerant for carrying out condenser transmission switchs to gaseous refrigerant.
The design of the utility model most critical is：Oil cooler is set to the lower section of condenser, using gravity by refrigerant
The mode of water cooling is replaced as cooling medium, heat transfer effect is more preferable, and set structure is more compact.
Please refer to Fig. 1, a kind of Condensing units with oil cooler, including compressor 1, oil eliminator 2, condenser
3, the exhaust outlet of the first pipeline 4 and oil cooler 5, the compressor 1 is connect with the gas feed of oil eliminator 2, the oil
The gas vent of separator 2 is connect with the air inlet of condenser 3, and the condenser 3 is set to the top of oil cooler 5, described
Condenser 3 is connected to oil cooler 5 by the first pipeline 4, and the end of the oil cooler 5 is respectively equipped with freezing oil inlet
51 connect with freezing oil export 52, the freezing oil inlet 51 of the oil cooler 5 with the oil outlet of oil eliminator 2, the oil
The freezing oil export 52 of cooling device 5 is connect with the oil return opening of compressor 1.
The operation principle of the utility model is：Condenser is mounted on oil cooler top, and (the utility model is cold to compress
The top-direction of condenser when solidifying unit forward direction is positioned on ground is upper, under the bottom direction with condenser is), the two is logical
The first pipeline connection is crossed, liquid refrigerants flows under the influence of gravity into oil cooler to refrigeration oil cooling in condenser, and liquid is cold
Temperature increases after matchmaker absorbs heat, and density becomes smaller, and constantly rises, and returns to condenser along pipeline, while dropping again within the condenser
The liquid refrigerants of the production of temperature constantly injects in oil cooler, to form cycle between condenser and oil cooler,
Refrigeration oil is cooled down.
As can be seen from the above description, the beneficial effects of the utility model are：Condenser is mounted on above oil cooler, and two
Person is by the first pipeline connection, and liquid refrigerants flows under the influence of gravity into oil cooler and cools down to refrigeration oil in condenser, liquid
Temperature increases after state refrigerant absorbs heat, and density becomes smaller, and constantly rises, and returns to condenser along pipeline, while in frozen state refrigerant
Constantly in injection oil cooler, to form cycle between condenser and oil cooler, refrigeration oil is cooled down.It is whole
A cooling procedure good effect of heat exchange, oil fluctuation is small, because cooling medium is refrigerant, therefore there is no foulings to ask inside oil cooler
Topic；Using water wisely simultaneously, need not increase excess power, be conducive to set steady, Effec-tive Function, entire unit does not need cloth yet
Additional water cooling pipeline is set, it is easy for installation, to keep Condensing units structure compacter.
Further, further include three device integrated devices 6, the inlet of the three devices integrated device 6 connects with the liquid outlet of condenser 3
It connects, the gas feed of the three devices integrated device 6 is connect with refrigeration system end, the gas vent and pressure of the three devices integrated device 6
The air inlet of contracting machine 1 is connected.
Seen from the above description, the liquid of the gaseous refrigerant sent from refrigeration system end being mingled with is in three device integrated devices
It is resided on after being detached in 6 in three device integrated devices 6, therefore, three device integrated devices not only play the role of gas-liquid separator, but also play
The function of liquid storage device, the gaseous refrigerant by separation are transported to by three device integrated devices 6 in compressor 1, through overcompression, can be changed
For the gaseous refrigerant of high temperature and pressure, used for next working cycles.
Further, further include economizer 7, be respectively equipped on the economizer 7 first liquid-inlet 71, second liquid into
Mouth 72, first gas outlet 73 and second liquid outlet 74, first liquid-inlet 71 are connected to first gas outlet 73, institute
Second liquid import 72 and second liquid outlet 74 is stated to be connected to, the liquid outlet of the three devices integrated device 6 respectively with the first liquid into
Mouth 71 is connect with second liquid import 72, and the first gas outlet 73 is connect with the gas supplementing opening on compressor 1, second liquid
Body outlet 74 is connect with refrigeration system end.
Seen from the above description, the liquid refrigerant being discharged from condenser 3 is flowed into three device integrated devices 6 and is carried out first
Preliminary to be subcooled, three device integrated devices 6 play the role of heat exchanger again at this time；As it can be seen that three device integrated devices 6 are met by an equipment
The function of three equipment, has saved cost so that the structure of Condensing units is compacter.
The liquid direction that goes out of the liquid outlet of three device integrated devices 6 is divided into two, one with 71 phase of the first liquid-inlet of economizer 7
Even, the second liquid import 73 of another economizer 7 is connected, and flows into the liquid refrigerant of second liquid import 74 through throttling and evaporation
It is expanded to gaseous refrigerant, this part becomes another part liquid of the gaseous refrigerant to the first liquid-inlet 71 of inflow from liquid
State refrigerant plays the role of supercooling.Therefore, from the first liquid-inlet 71 pass into it is cold after from the first liquid outlet 72 flow out
Liquid refrigerant flow to refrigeration system end, be evaporated refrigeration, by the liquid refrigerant of supercooling, there is the refrigeration of bigger
Amount.And be directly connected from the gaseous refrigerant of 74 outflow of second gas outlet with the gas supplementing opening of compressor 1, this tonifying Qi cycle down
The low delivery temperature of compressor 1, improves refrigerating capacity so that when compressor 1 is run under worst cold case, also there is larger system
Cold.
Further, the oil cooler 5 is shell-and-tube heat exchanger, the freezing oil inlet into oil cooler 5
51 are respectively communicated with the heat exchanger tube in oil cooler 5 with freezing oil export 52, and the top of the oil cooler 5 connects equipped with first
Mouth 33, the inner cavity of first pipeline of the connection of the first interface 33 4 and oil cooler 5.
Seen from the above description, refrigerant enters in oil cooler 5, is full of the entire shell of oil cooler 5, heat exchanging
Refrigeration oil in pipe is cooled down, and cooling effect is more preferable.
Further, the condenser 3 is water-cooled condenser, and the end of the condenser 3 is respectively equipped with cooling water inlet
31 and cooling water outlet 32, the bottom of the condenser 3 is equipped with second interface 53, and the second interface 53 is connected to the first pipeline 4
With the inner cavity of condenser 3.
Seen from the above description, water-cooled condenser effect is good, and safe and reliable.
Further, the compressor 1 is semi-hermetic screw compressor, and the number of the compressor 1 is at least one.
Seen from the above description, the number of compressor 1 more increases to meet various refrigeration demands.
Further, the economizer 7 is plate heat exchanger.
Fig. 1 is please referred to, the embodiments of the present invention one are：
A kind of Condensing units with oil cooler, including compressor 1, oil eliminator 2, condenser 3, the first pipeline
4, oil cooler 5, three device integrated devices 6 and economizer 7, the compressor 1 are semi-hermetic screw compressor, the compressor 1
Number be it is at least one, the economizer 7 be plate heat exchanger.
The condenser 3 is water-cooled condenser 3, and the end of the condenser 3 is respectively equipped with cooling water inlet 31 and cooling
The bottom of water out 32, the condenser 3 is equipped with second interface 53, and the second interface 53 is connected to the first pipeline 4 and condenser 3
Inner cavity.
The oil cooler 5 is shell-and-tube heat exchanger, the freezing oil inlet 51 and refrigeration oil into oil cooler 5
Outlet 52 is respectively communicated with the heat exchanger tube in oil cooler 5, and the top of the oil cooler 5 is equipped with first interface 33, described
The inner cavity of first pipeline of the connection of first interface 33 4 and oil cooler 5.
The exhaust outlet of the compressor 1 is connect with the gas feed of oil eliminator 2, the gas vent of the oil eliminator 2
It is connect with the air inlet of condenser 3, the condenser 3 is set to the top of oil cooler 5, and the condenser 3 is but filled with oil cooling
5 to be set to be connected to by the first pipeline 4, the end of the oil cooler 5 is respectively equipped with freezing oil inlet 51 and freezing oil export 52,
The freezing oil inlet 51 of the oil cooler 5 is connect with the oil outlet of oil eliminator 2, the refrigeration oil of the oil cooler 5
Outlet 52 is connect with the oil return opening of compressor 1.
The inlet of the three devices integrated device 6 is connect with the liquid outlet of condenser 3, the gas of the three devices integrated device 6 into
Mouth is connect with refrigeration system end, and the gas vent of the three devices integrated device 6 is connected with the air inlet of compressor 1, three device
The liquid outlet of integrated device 6 is connect with the first liquid-inlet 71 with second liquid import 72 respectively.
The first liquid-inlet 71, second liquid import 72, first gas outlet 73 and the are respectively equipped on the economizer 7
Two liquid outlets 74, first liquid-inlet 71 are connected to first gas outlet 73, the second liquid import 72 and second
Liquid outlet 74 is connected to, and first gas outlet 73 connect with the gas supplementing opening on compressor 1, the second liquid export 74 and
Refrigeration system end connects.
In conclusion the utility model provides a kind of compression with oil cooler of refrigeration oil in effective cooling unit
Condense unit.The Condensing units use three device integrated devices and economizer, further increase unit under worst cold case
Refrigerating capacity, ensure that the economy of unit.In addition, the full-liquid type oil cooler good effect of heat exchange, oil temperature fluctuation is small, changes
Scale problems are not present inside hot device, using water wisely need not increase excess power, be conducive to set steady, Effec-tive Function, and
And arrangement form is simple, and it is easy for installation, to keep Condensing units structure compacter.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of Condensing units with oil cooler, including compressor, oil eliminator, condenser, the first pipeline and oil
Cooling device, which is characterized in that the gas feed of the exhaust outlet and oil eliminator of the compressor connects, the oil eliminator
The air inlet of gas vent and condenser connects, and the condenser is set to the top of oil cooler, the condenser and oil cooling
But device is respectively equipped with freezing oil inlet and freezing oil export, institute by the first pipeline connection, the end of the oil cooler
The oil outlet of the freezing oil inlet and oil eliminator of stating oil cooler connects, freezing oil export and the pressure of the oil cooler
The oil return opening of contracting machine connects.
2. the Condensing units according to claim 1 with oil cooler, which is characterized in that further include three devices one
Device, the inlet of the three devices integrated device and the liquid outlet of condenser connect, the gas feed of the three devices integrated device and refrigeration
System end connects, and the gas vent of the three devices integrated device is connected with the air inlet of compressor.
3. the Condensing units according to claim 2 with oil cooler, which is characterized in that further include economizer,
The first liquid-inlet, second liquid import, first gas outlet and second liquid outlet are respectively equipped on the economizer, it is described
First liquid-inlet and first gas outlet, the second liquid import and second liquid outlet, three device one
The liquid outlet of body device is connect with the first liquid-inlet with second liquid import respectively, in the first gas outlet and compressor
Gas supplementing opening connects, and the second liquid outlet is connect with refrigeration system end.
4. the Condensing units according to claim 1 with oil cooler, which is characterized in that the oil cooler
For shell-and-tube heat exchanger, freezing oil inlet and the freezing oil export of the oil cooler are respectively communicated with changing in oil cooler
Heat pipe, the top of the oil cooler are equipped with first interface, and the first interface is connected to the first pipeline and oil cooler
Inner cavity.
5. the Condensing units according to claim 4 with oil cooler, which is characterized in that the condenser is water
The end of cool condenser, the condenser is respectively equipped with cooling water inlet and cooling water outlet, and the bottom of the condenser is equipped with
Second interface, the inner cavity of second interface connection first pipeline and condenser.
6. according to the Condensing units with oil cooler described in claim 1-5 any one, which is characterized in that described
Compressor is semi-hermetic screw compressor, and the number of the compressor is at least one.
7. the Condensing units according to claim 3 with oil cooler, which is characterized in that the economizer is plate
Formula heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694554.1U CN207797440U (en) | 2017-12-07 | 2017-12-07 | A kind of Condensing units with oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694554.1U CN207797440U (en) | 2017-12-07 | 2017-12-07 | A kind of Condensing units with oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797440U true CN207797440U (en) | 2018-08-31 |
Family
ID=63283422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721694554.1U Active CN207797440U (en) | 2017-12-07 | 2017-12-07 | A kind of Condensing units with oil cooler |
Country Status (1)
| Country | Link |
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| CN (1) | CN207797440U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763868A (en) * | 2017-12-07 | 2018-03-06 | 福建雪人股份有限公司 | A kind of Condensing units with oil cooler |
| CN110006193A (en) * | 2019-03-25 | 2019-07-12 | 珠海格力电器股份有限公司 | Air conditioning system and compressor oil temperature adjusting device used by same |
| CN110006194A (en) * | 2019-04-09 | 2019-07-12 | 珠海格力电器股份有限公司 | Air conditioning system with oil reducing and liquid accumulation preventing functions and control method thereof |
-
2017
- 2017-12-07 CN CN201721694554.1U patent/CN207797440U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763868A (en) * | 2017-12-07 | 2018-03-06 | 福建雪人股份有限公司 | A kind of Condensing units with oil cooler |
| CN110006193A (en) * | 2019-03-25 | 2019-07-12 | 珠海格力电器股份有限公司 | Air conditioning system and compressor oil temperature adjusting device used by same |
| CN110006194A (en) * | 2019-04-09 | 2019-07-12 | 珠海格力电器股份有限公司 | Air conditioning system with oil reducing and liquid accumulation preventing functions and control method thereof |
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