CN212673542U - Combined refrigerating system - Google Patents
Combined refrigerating system Download PDFInfo
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- CN212673542U CN212673542U CN202021386689.3U CN202021386689U CN212673542U CN 212673542 U CN212673542 U CN 212673542U CN 202021386689 U CN202021386689 U CN 202021386689U CN 212673542 U CN212673542 U CN 212673542U
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Abstract
The utility model provides a modular refrigerating system belongs to refrigeration technology field. It has solved current refrigerating unit function singleness scheduling problem. The utility model discloses a main refrigeration pipeline, be equipped with compressor unit on the main refrigeration pipeline, a condenser, reservoir and refrigeration unit group, the refrigeration unit group includes first refrigeration pipeline, second refrigeration pipeline and third refrigeration pipeline, be equipped with first expansion valve on the first refrigeration pipeline, the low pressure circulation bucket, still be equipped with the evaporation pipeline on the first refrigeration pipeline, the both ends of evaporation pipeline all are connected with the low pressure circulation bucket, be equipped with circulation bucket pump package on the evaporation pipeline, first heat transfer unit, be equipped with the second expansion valve on the second refrigeration pipeline, second heat transfer unit, be equipped with the third expansion valve on the third refrigeration pipeline, the evaporimeter, combination formula refrigerating system still includes the refrigerant pipeline, be equipped with the refrigerant circulating pump on the refrigerant pipeline, inhale the cold section, third heat transfer unit. The utility model has the advantages of the refrigeration mode is selected more, the function is various, accommodation is wide.
Description
Technical Field
The utility model belongs to the technical field of the refrigeration, concretely relates to modular refrigerating system.
Background
The existing refrigerating units are all in a single refrigerating mode, the refrigerating mode and the refrigerating capacity are relatively fixed, the function is single, and the application range is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned defect that exists to current refrigerating unit, and the combination formula refrigerating system that a refrigeration mode selects more, the function is various, accommodation is wide that provides.
The purpose of the utility model can be realized by the following technical proposal:
a combined refrigeration system comprises a main refrigeration pipeline, wherein a compressor unit, a condenser, a liquid storage device and a refrigeration unit group are sequentially arranged on the main refrigeration pipeline along the circulation direction of a refrigerant, the refrigeration unit group comprises three groups of branch refrigeration pipelines which are arranged in parallel, the three groups of branch refrigeration pipelines are divided into a first refrigeration pipeline, a second refrigeration pipeline and a third refrigeration pipeline, a first expansion valve and a low-pressure circulating barrel are sequentially arranged on the first refrigeration pipeline along the circulation direction of the refrigerant, an evaporation pipeline is further arranged on the first refrigeration pipeline, two ends of the evaporation pipeline are connected with the low-pressure circulating barrel, a circulating barrel pump set and a first heat exchange unit are sequentially arranged on the evaporation pipeline along the circulation direction of the refrigerant, a second expansion valve and a second heat exchange unit are sequentially arranged on the second refrigeration pipeline along the circulation direction of the refrigerant, and a third expansion valve and a third heat exchange unit are sequentially arranged on the third refrigeration pipeline along the circulation direction of, The combined refrigeration system also comprises a closed-loop refrigerant pipeline, wherein a refrigerant circulating pump, a cold absorbing section and a third heat exchange unit are sequentially arranged on the refrigerant pipeline along the refrigerant flowing direction, and the cold absorbing section is positioned in the evaporator.
In the above-mentioned combined refrigeration system, the combined refrigeration system further includes a water cooling pipeline in a closed loop, the water cooling pipeline is sequentially provided with a cooling water circulating pump, a heat absorption section and an air cooler along a water flow direction, and the heat absorption section is located in the condenser.
In the above combined refrigeration system, the main refrigeration pipeline is further provided with an oil-gas separator, the oil-gas separator is located between the compressor unit and the condenser, the oil-gas separator is further connected with an oil-cooling pipeline, and two ends of the oil-cooling pipeline are respectively connected with the oil-gas separator and the compressor unit.
In the above-mentioned combined refrigeration system, a water-cooling branch is further disposed on the water-cooling pipeline, both ends of the water-cooling branch are connected to the water-cooling pipeline, an oil cooler is disposed on the water-cooling branch, the oil cooler is disposed in parallel with the heat absorption section, and an oil cooling section is disposed on the oil cooling pipeline and located in the oil cooler.
In the above-mentioned combined refrigeration system, the compressor unit includes a plurality of compressors disposed in parallel, each compressor corresponds to a first branch, the plurality of first branches are disposed in parallel, each first branch is provided with a gas-liquid separator, and the gas-liquid separator and the compressor corresponding to the first branch are sequentially disposed along a refrigerant flowing direction.
In the above-mentioned combined refrigeration system, one end of the oil-cooling pipeline is provided with second branches corresponding to the compressors one by one, each second branch is connected in parallel, and two ends of each second branch are connected to the corresponding compressor and the oil-cooling pipeline respectively.
In the above-mentioned combined refrigeration system, a first electromagnetic valve for controlling on-off of the first refrigeration pipeline is further provided on the first refrigeration pipeline, the first electromagnetic valve is located between the liquid reservoir and the first expansion valve, a second electromagnetic valve for controlling on-off of the second refrigeration pipeline is further provided on the second refrigeration pipeline, the second electromagnetic valve is located between the liquid reservoir and the second expansion valve, a third electromagnetic valve for controlling on-off of the third refrigeration pipeline is further provided on the third refrigeration pipeline, and the third electromagnetic valve is located between the liquid reservoir and the third expansion valve.
In the above-mentioned combined refrigeration system, the circulation barrel pump set includes a plurality of circulation barrel pumps arranged in parallel, each circulation barrel pump corresponds to a third branch, and the plurality of third branches are arranged in parallel.
In the above-mentioned combined refrigeration system, the low-pressure circulation barrel is provided with a first connection port, a second connection port, a third connection port and a fourth connection port, the first connection port is connected to the compressor unit, the second connection port is connected to the first heat exchange unit, the third connection port is connected to the circulation barrel pump unit, the fourth connection port is connected to the first expansion valve, the first connection port and the second connection port are located at the upper portion of the low-pressure circulation barrel, and the third connection port and the fourth connection port are located at the lower portion of the low-pressure circulation barrel.
In the above-mentioned combined refrigeration system, the first heat exchange unit is a shelf coil, the second heat exchange unit is an air cooler, and the third heat exchange unit is an aluminum pipe bank.
In the above-mentioned combined refrigeration system, the combined refrigeration system is further provided with a water tank for supplementing water into the water cooling pipeline and a refrigerant tank for supplementing refrigerant into the refrigerant pipeline.
Compared with the prior art, the utility model has the advantages of the refrigeration mode is various optional, and the function is various, application scope is wide.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a main refrigeration pipeline; 2. an oil-gas separator; 3. a condenser; 4. a reservoir; 5. a first refrigeration circuit; 6. a second refrigeration circuit; 7. a third refrigeration circuit; 8. a compressor; 9. a first shunt; 10. a gas-liquid separator; 11. an oil cooling pipeline; 12. a second branch circuit; 13. a water-cooling pipeline; 14. a cooling water circulation pump; 15. an air cooler; 16. a pool; 17. water cooling and shunting; 18. a first expansion valve; 19. a low pressure recycle bin; 20. a first solenoid valve; 21. an evaporation pipeline; 22. a shelf coil; 23. a circulating barrel pump; 24. a third branch circuit; 25. a second expansion valve; 26. an air cooler; 27. a second solenoid valve; 28. a third expansion valve; 29. an evaporator; 30. a third electromagnetic valve; 31. a refrigerant pipeline; 32. a refrigerant circulating pump; 33. an aluminum comb; 34. a refrigerant pool; 35. an oil cooler 35.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the utility model provides a pair of modular refrigerating system, including a main refrigeration pipeline 1, be equipped with compressor unit, oil and gas separator 2, condenser 3, reservoir 4 and refrigeration unit group in proper order along the refrigerant circulation direction on the main refrigeration pipeline 1, the refrigeration unit group includes the parallelly connected branch refrigeration pipeline that sets up of three groups, and three component refrigeration pipelines divide into first refrigeration pipeline 5, second refrigeration pipeline 6 and third refrigeration pipeline 7, and main refrigeration pipeline 1 and each divide and flow through the refrigerant in the refrigeration pipeline.
The compressor unit comprises two compressors 8 which are arranged in parallel, each compressor 8 corresponds to a first shunt 9, a refrigerant flows through the first shunt 9, the two first shunts 9 are arranged in parallel, one end of each of the two first shunts 9 connected in parallel is connected with the main refrigeration pipeline 1, the other end of each of the two first shunts 9 connected in parallel is connected with one end of each of the three refrigeration pipelines connected in parallel, and the other end of each of the three refrigeration pipelines connected in parallel is connected with a liquid outlet of the liquid accumulator 4;
each first branch 9 is also provided with a gas-liquid separator 10, the gas-liquid separator 10 is provided with a gas outlet of refrigerant, and the gas outlet is connected with a gas inlet of the compressor 8 on the corresponding first branch 9 through the first branch 9.
The oil-gas separator 2 is connected with an oil-cooling pipeline 11, one end of the oil-cooling pipeline 11 is connected to the oil-gas separator 2, the other end of the oil-cooling pipeline 11 is provided with two second branches 12 which are arranged in parallel, the two second branches 12 correspond to the compressors 8 one by one, the second branches 12 are connected with the corresponding compressors 8, and oil used by the compressors 8 flows through the oil-cooling pipeline 11 and the second branches 12.
The combined refrigeration system also comprises a water cooling pipeline 13 which is closed loop, a cooling water circulating pump 14, a heat absorption section and an air cooler 15 are sequentially arranged on the water cooling pipeline 13 along the water flow direction, the heat absorption section is positioned in the condenser 3, the cooling water circulating pump 14 works to enable water to circularly flow in the water cooling pipeline 13, the heat emitted by a refrigerant in the condenser 3 can be taken away by the water cooled by the air cooler 15 in the process of passing through the heat absorption section, then the water after absorbing heat enters the air cooler 15 again for cooling, and a water pool 16 for supplementing water into the water cooling pipeline 13 is also arranged on the combined refrigeration system;
still be equipped with a water-cooling branch 17 on the water-cooling pipeline 13, the both ends of water-cooling branch 17 are all connected on water-cooling pipeline 13, and the both ends branch of water-cooling branch 17 is established at the end of intaking and the play water end of heat absorption section, be equipped with an oil cooler 35 on the water-cooling branch 17, oil cooler 35 sets up with heat absorption section is parallelly connected, be equipped with an oil cooling section on the above-mentioned oil-cooling pipeline 11, the oil cooling section is located oil cooler 35, the part of water after 15 coolings through air cooler gets into in water-cooling branch 17, can take away the heat that the fluid in the oil cooling section gived off when passing through oil cooler 35, thereby can cool down fluid.
A first expansion valve 18 and a low-pressure circulating barrel 19 are sequentially arranged on the first refrigeration pipeline 5 along the refrigerant flowing direction, a first electromagnetic valve 20 for controlling the on-off of the first refrigeration pipeline 5 is further arranged on the first refrigeration pipeline 5, the first electromagnetic valve 20 is positioned between the liquid storage device 4 and the first expansion valve 18, an evaporation pipeline 21 is further arranged on the first refrigeration pipeline 5, two ends of the evaporation pipeline 21 are both connected with the low-pressure circulating barrel 19, a circulating barrel pump group and a first heat exchange unit are sequentially arranged on the evaporation pipeline 21 along the refrigerant flowing direction, the first heat exchange unit is a shelf coil 22, the circulating barrel pump group comprises two circulating barrel pumps 23 which are arranged in parallel, each circulating barrel pump 23 corresponds to a third branch 24, the two third branches 24 are arranged in parallel, one end of each third branch 24 is respectively connected with the low-pressure circulating barrel 19, and the other ends of the two third branches 24 are connected with the evaporation pipeline 21 after being connected in parallel;
the low-pressure circulating barrel 19 is provided with a first connecting port, a second connecting port, a third connecting port and a fourth connecting port, the first connecting port is connected with the compressor unit through a first refrigerating pipeline 5, the second connecting port is connected with the first heat exchange unit through an evaporation pipeline 21, the third connecting port is provided with two connecting ports which are respectively connected with two third branch pipelines 24, the fourth connecting port is connected with the first expansion valve 18 through the first refrigerating pipeline 5, the first connecting port and the second connecting port are positioned on the upper portion of the low-pressure circulating barrel 19, the third connecting port and the fourth connecting port are positioned on the lower portion of the low-pressure circulating barrel 19, the first connecting port is used for enabling gaseous refrigerant to flow out of the low-pressure circulating barrel 19, the second connecting port is used for enabling gaseous refrigerant to flow into the low-pressure circulating barrel 19, the third connecting port is used for enabling liquid refrigerant to flow out of the low-pressure.
A second expansion valve 25 and a second heat exchange unit are sequentially arranged on the second refrigeration pipeline 6 along the refrigerant flowing direction, the second heat exchange unit is an air cooler 26, a second electromagnetic valve 27 for controlling the second refrigeration pipeline 6 to be on or off is further arranged on the second refrigeration pipeline 6, and the second electromagnetic valve 27 is located between the liquid storage device 4 and the second expansion valve 25.
A third expansion valve 28 and an evaporator 29 are sequentially arranged on the third refrigeration pipeline 7 along the refrigerant circulation direction, a third electromagnetic valve 30 for controlling the on-off of the third refrigeration pipeline 7 is also arranged on the third refrigeration pipeline 7, and the third electromagnetic valve 30 is positioned between the liquid storage device 4 and the third expansion valve 28;
the combined refrigeration system also comprises a closed-loop refrigerant pipeline 31, fluid capable of transferring heat energy is circulated in the refrigerant pipeline 31 and can be water or other liquid, a refrigerant circulating pump 32, a cold absorbing section and a third heat exchange unit are sequentially arranged on the refrigerant pipeline 31 along the refrigerant circulation direction, the third heat exchange unit is an aluminum exhaust pipe 33, the refrigerant circulating pump 32 works to enable the refrigerant to circularly flow in the refrigerant pipeline 31, the cold absorbing section is positioned in the evaporator 29, the refrigerant passing through the cold absorbing section can absorb cold energy emitted by a refrigerant in the evaporator 29, then the refrigerant after cold absorption absorbs heat in the aluminum exhaust pipe 33 and releases the cold energy, and the combined refrigeration system is also provided with a refrigerant pool 34 for supplementing the refrigerant into the refrigerant pipeline 31.
The refrigerant compressed by the compressor 8 sequentially passes through the oil-gas separator 2, the condenser 3 and the liquid accumulator 4 and then enters the sub-refrigeration pipeline, the three electromagnetic valves are opened or closed according to the refrigeration function requirement, and the three-component refrigeration pipeline can work simultaneously or independently.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A combined refrigeration system is characterized by comprising a main refrigeration pipeline (1), wherein a compressor unit, a condenser (3), a liquid storage device (4) and a refrigeration unit group are sequentially arranged on the main refrigeration pipeline (1) along the circulation direction of a refrigerant, the refrigeration unit group comprises three groups of branch refrigeration pipelines which are arranged in parallel, the three groups of branch refrigeration pipelines are divided into a first refrigeration pipeline (5), a second refrigeration pipeline (6) and a third refrigeration pipeline (7), a first expansion valve (18) and a low-pressure circulating barrel (19) are sequentially arranged on the first refrigeration pipeline (5) along the circulation direction of the refrigerant, an evaporation pipeline (21) is further arranged on the first refrigeration pipeline (5), two ends of the evaporation pipeline (21) are both connected with the low-pressure circulating barrel (19), a circulating barrel pump group and a first heat exchange unit are sequentially arranged on the evaporation pipeline (21) along the circulation direction of the refrigerant, the combined refrigeration system is characterized in that a second expansion valve (25) and a second heat exchange unit are sequentially arranged on the second refrigeration pipeline (6) along the refrigerant circulation direction, a third expansion valve (28) and an evaporator (29) are sequentially arranged on the third refrigeration pipeline (7) along the refrigerant circulation direction, the combined refrigeration system further comprises a closed-loop refrigerant pipeline (31), a refrigerant circulating pump (32), a cold absorption section and a third heat exchange unit are sequentially arranged on the refrigerant pipeline (31) along the refrigerant circulation direction, and the cold absorption section is located in the evaporator (29).
2. A combined refrigeration system according to claim 1, further comprising a closed-loop water cooling pipeline (13), wherein the water cooling pipeline (13) is provided with a cooling water circulating pump (14), a heat absorbing section and an air cooler (15) in sequence along the water flow direction, and the heat absorbing section is located in the condenser (3).
3. A combined refrigeration system according to claim 2, wherein an oil-gas separator (2) is further disposed on the main refrigeration pipeline (1), the oil-gas separator (2) is located between the compressor unit and the condenser (3), the oil-gas separator (2) is further connected to an oil-cooling pipeline (11), and two ends of the oil-cooling pipeline (11) are respectively connected to the oil-gas separator (2) and the compressor unit.
4. A combined refrigeration system according to claim 3, wherein said water cooling pipeline (13) is further provided with a water cooling branch (17), both ends of said water cooling branch (17) are connected to said water cooling pipeline (13), said water cooling branch (17) is provided with an oil cooler (35), said oil cooler (35) is connected in parallel with said heat absorbing section, said oil cooling pipeline (11) is provided with an oil cooling section, and said oil cooling section is located in said oil cooler (35).
5. A combined refrigeration system according to claim 3 or 4, characterized in that the compressor unit comprises a plurality of compressors (8) arranged in parallel, each compressor (8) corresponds to a first branch (9), the plurality of first branches (9) are arranged in parallel, each first branch (9) is provided with a gas-liquid separator (10), and the gas-liquid separators (10) and the compressors (8) corresponding to the first branches (9) are arranged in sequence along the refrigerant flowing direction.
6. A combined refrigeration system according to claim 5, characterized in that one end of the oil cooling pipeline (11) is provided with second branches (12) corresponding to the compressors (8) one by one, each second branch (12) is connected in parallel, and two ends of each second branch (12) are respectively connected with the corresponding compressor (8) and the oil cooling pipeline (11).
7. A combined refrigeration system according to claim 3 or 4, characterized in that the first refrigeration line (5) is further provided with a first solenoid valve (20) for controlling the on/off of the first refrigeration line (5), the first solenoid valve (20) is located between the reservoir (4) and the first expansion valve (18), the second refrigeration line (6) is further provided with a second solenoid valve (27) for controlling the on/off of the second refrigeration line (6), the second solenoid valve (27) is located between the reservoir (4) and the second expansion valve (25), the third refrigeration line (7) is further provided with a third solenoid valve (30) for controlling the on/off of the third refrigeration line (7), and the third solenoid valve (30) is located between the reservoir (4) and the third expansion valve (28).
8. The combined refrigeration system of claim 7, wherein the circulation barrel pump set comprises a plurality of circulation barrel pumps (23) arranged in parallel, each circulation barrel pump (23) corresponds to one third branch (24), and a plurality of third branches (24) are arranged in parallel.
9. A combined refrigeration system according to claim 7, characterized in that the low-pressure circulation tank (19) is provided with a first connection port, a second connection port, a third connection port and a fourth connection port, the first connection port is connected with the compressor unit, the second connection port is connected with the first heat exchange unit, the third connection port is connected with the circulation tank pump unit, the fourth connection port is connected with the first expansion valve (18), the first connection port and the second connection port are located at the upper part of the low-pressure circulation tank (19), and the third connection port and the fourth connection port are located at the lower part of the low-pressure circulation tank (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386689.3U CN212673542U (en) | 2020-07-15 | 2020-07-15 | Combined refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021386689.3U CN212673542U (en) | 2020-07-15 | 2020-07-15 | Combined refrigerating system |
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| Publication Number | Publication Date |
|---|---|
| CN212673542U true CN212673542U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021386689.3U Active CN212673542U (en) | 2020-07-15 | 2020-07-15 | Combined refrigerating system |
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| CN (1) | CN212673542U (en) |
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- 2020-07-15 CN CN202021386689.3U patent/CN212673542U/en active Active
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