CN208871896U - A kind of dual system salt water unit - Google Patents
A kind of dual system salt water unit Download PDFInfo
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- CN208871896U CN208871896U CN201821391624.0U CN201821391624U CN208871896U CN 208871896 U CN208871896 U CN 208871896U CN 201821391624 U CN201821391624 U CN 201821391624U CN 208871896 U CN208871896 U CN 208871896U
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- dual system
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Abstract
The utility model relates to technical field of refrigeration equipment, in particular to a kind of dual system salt water unit；Unit uses Dual System Design, that is condenser and evaporator is all made of Dual System Design, the operation of triangular web may be implemented in one container, unit load according to needed for end first opens one of system, when the load becomes large, open another system, it can be improved refrigerating efficiency, the utility model relates to dual system salt water unit can according to the runing time of compressor determine any compressor first opened, guarantee the balance of compressor operating time, extend the service life of compressor, unit uses Double-system condenser and dual system evaporator, keep unit more compact, and cost can be reduced compared with single system, unit operation is relatively reliable；Machine is assembled with heat regenerator, recycles to heat, and thermal energy is made to be fully used.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, in particular to a kind of dual system salt water unit.
Background technique
Authorization Notice No. is that the Chinese patent of CN205860536U discloses a kind of semi-closed screw type salt water unit in parallel, packet
At least two groups semi-closed screw type salt water unit is included, opens a standby form, every group of semi-closed screw type salt water dispenser using at least one
Group is arranged in parallel on erection support.A standby form, i.e. one group of semi-closed screw type salt water unit frequency-conversion are opened using at least one
It adjusts, remaining semi-closed screw type salt water unit according to circumstances power frequency full-load run or shutdown, so that complete machine part-load efficiency
Height, every group of semi-closed screw type salt water unit are provided with independent evaporator and condenser, can independent operating.Above-mentioned salt water
In set structure, in parallel with unit form, every group of evaporator is individually matched one, and occupied space is larger, and higher cost, and oil is cooling
Device and condenser use the plate heat exchanger being combined into one, more sensitive to the variation of load although more compact, exist
Certain unreliability, unit do not have heat recovery function.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of dual system salt water dispensers for having heat recovery function
Group.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of dual system salt water dispenser is provided
Group, which is characterized in that including the first compressor, the second compressor, the first oil eliminator, the second oil eliminator, dual system condensation
Device, the first economizer, the second economizer, the first electric expansion valve, the second electric expansion valve, dual system evaporator, the first heat are returned
Receive device, the second heat regenerator；
First compressor is connected to the first oil eliminator, and first oil eliminator is connected to double by threeway
System condenser and the first heat regenerator, the Double-system condenser are connected to the first heat regenerator, the Double-system condenser
It is connected to the first economizer, first economizer is connected to dual system evaporator, and the dual system evaporator is connected to first
Compressor；The first electric expansion valve is connected between first economizer and dual system evaporator；
Second compressor is connected to the second oil eliminator, and second oil eliminator is connected to double by threeway
System condenser and the second heat regenerator, the Double-system condenser are connected to the second heat regenerator, the Double-system condenser
It is connected to the second economizer, second economizer is connected to dual system evaporator, and the dual system evaporator is connected to second
Compressor；The second electric expansion valve is connected between second economizer and dual system evaporator.
Further, first oil eliminator is connected with the first oil cooler, and first oil cooler is connected to
One compressor.
Further, second oil eliminator is connected with the second oil cooler, and second oil cooler is connected to
Two compressors.
Further, first oil cooler is shell-and-tube oil cooler.
Further, second oil cooler is shell-and-tube oil cooler.
Further, first economizer and the second economizer are board-like economizer.
The utility model has the beneficial effects that: the utility model relates to dual system salt water set structure in, unit is adopted
With Dual System Design, i.e. condenser and evaporator is all made of Dual System Design, and the operation of triangular web may be implemented in a container,
Unit load according to needed for end first opens one of system, when the load becomes large, opens another system, in this way with it is single
The unit of system is compared, and when operation at part load can also realize full-load run, can be improved refrigerating efficiency, the utility model relates to
Dual system salt water unit can be determined first open any compressor according to the runing time of compressor, guarantee compressor operating time
Balance, extend the service life of compressor, unit use Double-system condenser and dual system evaporator, keep unit more compact, and
Cost can be reduced compared with single system, unit operation is relatively reliable；Machine is assembled with heat regenerator, recycles to heat, makes heat
It can be fully used.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of dual system salt water unit of specific embodiment of the present invention；
Label declaration:
1, the first compressor；2, the second compressor；3, the first oil eliminator；4, the second oil eliminator；
5, Double-system condenser；6, the first economizer；7, the second economizer；8, the first electric expansion valve；9, the second electronics
Expansion valve；10, dual system evaporator；11, the first heat regenerator；12, the second heat regenerator；13, the first oil cooler；14,
Two oil coolers.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: condenser and evaporator are all made of Dual System Design, and a container can
To realize the operation of triangular web, keep unit more compact, and cost can be reduced compared with single system, machine is assembled with recuperation of heat
Device recycles heat, and thermal energy is made to be fully used.
Fig. 1 is please referred to, the utility model relates to a kind of dual system salt water units, including the first compressor 1, the second compressor
2, the first oil eliminator 3, the second oil eliminator 4, Double-system condenser 5, the first economizer 6, the second economizer 7, the first electronics
Expansion valve 8, the second electric expansion valve 9, dual system evaporator 10, the first heat regenerator 11, the second heat regenerator 12；
First compressor 1 is connected to the first oil eliminator 3, and first oil eliminator 3 is separately connected by threeway
In Double-system condenser 5 and the first heat regenerator 11, the Double-system condenser 5 is connected to the first heat regenerator 11, described double
System condenser 5 is connected to the first economizer 6, and first economizer 6 is connected to dual system evaporator 10, and the dual system is steamed
Hair device 10 is connected to the first compressor 1；The first electronic expansion is connected between first economizer 6 and dual system evaporator 10
Valve 8；
Second compressor 2 is connected to the second oil eliminator 4, and second oil eliminator 4 is separately connected by threeway
In Double-system condenser 5 and the second heat regenerator 12, the Double-system condenser 5 is connected to the second heat regenerator 12, described double
System condenser 5 is connected to the second economizer 7, and second economizer 7 is connected to dual system evaporator 10, and the dual system is steamed
Hair device 10 is connected to the second compressor 2；The second electronic expansion is connected between second economizer 7 and dual system evaporator 10
Valve 9.
The working principle of above-mentioned dual system salt water unit illustrates: the first compressor 1 is to after the heat exchange of dual system evaporator 10
Low-temperature low-pressure refrigerant gas compressed, formed high temperature and high pressure gas, high temperature and high pressure gas pass through the first oil eliminator 3
Afterwards, it may be selected to enter the first heat regenerator 11, the heat exchange condensation of 5 side of Double-system condenser entered after recuperation of heat, or directly
It exchanges heat and condenses into the side of Double-system condenser 5, obtain high temperature high pressure liquid, high temperature high pressure liquid enters the first economizer 6
Supercooling, the refrigerant liquid after supercooling enter dual system evaporator 10 after the throttling of the first electric expansion valve 8, exchange heat, change
Low temperature low pressure gas after heat comes back to the first compressor 1, completes the circulation of the first system；
Similarly, the second compressor 2 is compressed to from the low-temperature low-pressure refrigerant gas after the heat exchange of dual system evaporator 10,
High temperature and high pressure gas is formed, after high temperature and high pressure gas passes through the second oil eliminator 4, may be selected to enter the second heat regenerator 12, warp
Cross after recuperation of heat and enter the heat exchange condensation of 5 side of Double-system condenser, or be directly entered Double-system condenser 5 side heat exchange it is cold
It is solidifying, high temperature high pressure liquid is obtained, high temperature high pressure liquid is subcooled into the second economizer 7, and the refrigerant liquid after supercooling is through second
Electric expansion valve 9 enters dual system evaporator 10 after throttling, and exchanges heat, the low temperature low pressure gas after heat exchange comes back to second
Compressor 2 completes the circulation of second system；
Above-mentioned the first system circulation and second system the circulation load according to needed for end first open one of system, when negative
When lotus becomes larger, another system is opened.
In above-mentioned dual system salt water set structure, unit uses Dual System Design, i.e. condenser and evaporator is all made of double
The operation of triangular web may be implemented in system design, a container, and unit load according to needed for end first opens one of system
System, when the load becomes large, opens another system, and in this way compared with the unit of triangular web, when operation at part load can also be real
Existing full-load run, can be improved refrigerating efficiency, the utility model relates to dual system salt water unit can be according to the operation of compressor
Which compressor time decision first opens, and guarantees the balance of compressor operating time, extends the service life of compressor, and unit is using double
System condenser 5 and dual system evaporator 10, keep unit more compact, and cost can be reduced compared with single system, unit operation
It is relatively reliable；Machine is assembled with heat regenerator, recycles to heat, and thermal energy is made to be fully used.
Further, in above-mentioned dual system salt water set structure, first oil eliminator is connected with the first oil cooler
13, first oil cooler 13 is connected to the first compressor 1.
Further, in above-mentioned dual system salt water set structure, second oil eliminator is connected with the second oil cooler
14, second oil cooler 14 is connected to the second compressor 2.
Further, in above-mentioned dual system salt water set structure, first oil cooler 13 is shell-and-tube oil cooler.
Further, in above-mentioned dual system salt water set structure, second oil cooler 14 is shell-and-tube oil cooler.
Seen from the above description, oil cooler used in unit is mutually indepedent, and uses shell-and-tube, makes unit operation more
Reliably.
Further, in above-mentioned dual system salt water set structure, first economizer 6 and the second economizer 7 are plate
Formula economizer.
Embodiment 1
A kind of dual system salt water unit, including the first compressor 1, the second compressor 2, the first oil eliminator 3, the second oil
From device 4, Double-system condenser 5, the first economizer 6, the second economizer 7, the first electric expansion valve 8, the second electric expansion valve 9,
Dual system evaporator 10, the first heat regenerator 11, the second heat regenerator 12；
First compressor 1 is connected to the first oil eliminator 3, and first oil eliminator 3 is separately connected by threeway
In Double-system condenser 5 and the first heat regenerator 11, the Double-system condenser 5 is connected to the first heat regenerator 11, described double
System condenser 5 is connected to the first economizer 6, and first economizer 6 is connected to dual system evaporator 10, and the dual system is steamed
Hair device 10 is connected to the first compressor 1；The first electronic expansion is connected between first economizer 6 and dual system evaporator 10
Valve 8；
Second compressor 2 is connected to the second oil eliminator 4, and second oil eliminator 4 is separately connected by threeway
In Double-system condenser 5 and the second heat regenerator 12, the Double-system condenser 5 is connected to the second heat regenerator, double systems
System condenser 5 is connected to the second economizer 7, and second economizer 7 is connected to dual system evaporator 10, the dual system evaporation
Device 10 is connected to the second compressor 2；The second electric expansion valve is connected between second economizer 7 and dual system evaporator 10
9。
First oil eliminator is connected with the first oil cooler 13, and first oil cooler 13 is connected to the first compression
Machine 1.Second oil eliminator is connected with the second oil cooler 14, and second oil cooler 14 is connected to the second compressor 2.
First oil cooler 13 is shell-and-tube oil cooler.Second oil cooler 14 is shell-and-tube oil cooler.Institute
Stating the first economizer 6 and the second economizer 7 is board-like economizer.
In conclusion unit uses Dual System Design, i.e., cold in dual system salt water set structure provided by the utility model
Condenser and evaporator are all made of Dual System Design, and the operation of triangular web may be implemented in a container, and unit is according to needed for end
Load first opens one of system, when the load becomes large, opens another system, in this way compared with the unit of triangular web,
Can also realize full-load run when operation at part load, can be improved refrigerating efficiency, the utility model relates to dual system salt water dispenser
Group can determine which compressor first opened according to the runing time of compressor, guarantee the balance of compressor operating time, extend pressure
The service life of contracting machine, unit use Double-system condenser and dual system evaporator, keep unit more compact, and can compared with single system
Cost is reduced, unit operation is relatively reliable；Machine is assembled with heat regenerator, recycles to heat, and thermal energy is made to be fully used.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of dual system salt water unit, which is characterized in that including the first compressor, the second compressor, the first oil eliminator,
Two oil eliminators, Double-system condenser, the first economizer, the second economizer, the first electric expansion valve, the second electric expansion valve,
Dual system evaporator, the first heat regenerator, the second heat regenerator；
First compressor is connected to the first oil eliminator, and first oil eliminator is connected to dual system by threeway
Condenser and the first heat regenerator, the Double-system condenser are connected to the first heat regenerator, the Double-system condenser connection
In the first economizer, first economizer is connected to dual system evaporator, and the dual system evaporator is connected to the first compression
Machine；The first electric expansion valve is connected between first economizer and dual system evaporator；
Second compressor is connected to the second oil eliminator, and second oil eliminator is connected to dual system by threeway
Condenser and the second heat regenerator, the Double-system condenser are connected to the second heat regenerator, the Double-system condenser connection
In the second economizer, second economizer is connected to dual system evaporator, and the dual system evaporator is connected to the second compression
Machine；The second electric expansion valve is connected between second economizer and dual system evaporator.
2. dual system salt water unit according to claim 1, which is characterized in that first oil eliminator is connected with first
Oil cooler, first oil cooler are connected to the first compressor.
3. dual system salt water unit according to claim 1, which is characterized in that second oil eliminator is connected with second
Oil cooler, second oil cooler are connected to the second compressor.
4. dual system salt water unit according to claim 2, which is characterized in that first oil cooler is shell-and-tube oil
Cooler.
5. dual system salt water unit according to claim 3, which is characterized in that second oil cooler is shell-and-tube oil
Cooler.
6. dual system salt water unit according to claim 1, which is characterized in that first economizer and the second economizer
It is board-like economizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391624.0U CN208871896U (en) | 2018-08-28 | 2018-08-28 | A kind of dual system salt water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821391624.0U CN208871896U (en) | 2018-08-28 | 2018-08-28 | A kind of dual system salt water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871896U true CN208871896U (en) | 2019-05-17 |
Family
ID=66465947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821391624.0U Active CN208871896U (en) | 2018-08-28 | 2018-08-28 | A kind of dual system salt water unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN208871896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674090A (en) * | 2022-04-12 | 2022-06-28 | 新科环保科技有限公司 | Low-ambient-temperature heating air-conditioning system |
-
2018
- 2018-08-28 CN CN201821391624.0U patent/CN208871896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674090A (en) * | 2022-04-12 | 2022-06-28 | 新科环保科技有限公司 | Low-ambient-temperature heating air-conditioning system |
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