CN203824147U - Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine - Google Patents
Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine Download PDFInfo
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- CN203824147U CN203824147U CN201420214615.XU CN201420214615U CN203824147U CN 203824147 U CN203824147 U CN 203824147U CN 201420214615 U CN201420214615 U CN 201420214615U CN 203824147 U CN203824147 U CN 203824147U
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Abstract
The utility model relates to the technical field of refrigeration, in particular to a Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine. The Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine comprises a machine frame, on which a Freon multiple-machine-head parallel highly-efficient oil-separating refrigeration machine and a low-pressure circulating barrel are arranged which are communicated together. An output end of refrigerant liquid of the Freon multiple-machine-head parallel highly-efficient oil-separating refrigeration machine is communicated with a refrigerant inlet of the low-pressure circulating barrel, a refrigerant outlet of which is communicated with a fluorine pump. An outlet of refrigerant gas of the fluorine pump is communicated with a gas return port of the fluorine pump of the low-pressure circulating barrel. An outlet of refrigerant gas of the low-pressure circulating barrel is communicated with the fluorine pump. An outlet of refrigerant gas of the fluorine pump is communicated with the gas return port of the fluorine pump of the low-pressure circulating barrel. An outlet of refrigerant gas of the low-pressure circulating barrel is communicated with a main gas return pipe, a gas outlet end of which is communicated with a gas inlet end of the Freon multiple-machine-head parallel highly-efficient oil-separating refrigeration machine. The Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine is compact in structure, short in system pipelines, fine in oil return effect, high in reliability of system operation and low in operation cost.
Description
Technical field
The utility model relates to refrigeration technology field, relates in particular to a kind of freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group.
Background technology
Refrigeration system is widely used in the every field such as production, life, freezing and refrigeration.Freon refrigeration system is because compact conformation floor space is few, automaticity is high, energy-saving effect is outstanding and the security of self and being efficiently used widely.Because of the intersolubility of freon refrigerant and ice machine oil better, can cause the lubricating oil random device running in refrigeration compressor with gaseous form, to enter evaporimeter with freon refrigerant, if oil eliminator does not possess good oily separating effect or system oil return is not smooth, just there will be a large amount of lubricating oil to be trapped in evaporator pipeline, can directly affect system cooling on the one hand, machine oil starvation cannot move on the other hand needs continuous make-up oil can cause the lubricating oil in system cumulative, cause vicious circle, increase operating cost, reduce operational reliability.
Refrigeration system of the prior art respectively forms installation site and disperses, and system pipeline is long, and the space not only taking is large, and oily separating effect is also undesirable, affects system oil return and cooling-down effect, and system operation reliability is low, and operating cost is high.
Utility model content
The purpose of this utility model is to provide a kind of freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, is intended to improve its structural compactness, shortens system pipeline, improves oil return effect and system reliability of operation, reduces operating cost.
The utility model is achieved in that freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group comprises frame, and described frame is provided with freon multi-machine heads parallel high-efficiency oil content refrigeration unit and the low pressure recycle bucket being connected together, wherein:
The refrigerant liquid output of described freon multi-machine heads parallel high-efficiency oil content refrigeration unit is connected with the refrigerant inlet of described low pressure recycle bucket, the refrigerant outlet of described low pressure recycle bucket is communicated with fluorine pump, the refrigerant gas outlet of described fluorine pump is connected with the fluorine blowback gas port of described low pressure recycle bucket, the refrigerant liquid outlet of described fluorine pump is communicated with for being communicated with the evaporimeter feed flow house steward of evaporimeter input, and the gas-liquid mixed import of described low pressure recycle bucket is communicated with for being communicated with the evaporimeter discharge header of described evaporimeter output;
The refrigerant gas outlet of described low pressure recycle bucket is communicated with return-air house steward, and described return-air house steward's outlet side is connected with the inlet end of described freon multi-machine heads parallel high-efficiency oil content refrigeration unit.
As a kind of improved plan, described freon multi-machine heads parallel high-efficiency oil content refrigeration unit comprises many refrigeration compressors that are fixed on described frame one side that are arranged in parallel, the outlet side of all described refrigeration compressors is communicated with exhaust main jointly, the outlet side of described exhaust main is communicated with oil eliminator, the gas outlet of described oil eliminator is communicated with for being communicated with the high pressure gas house steward of evaporating cold air inlet, the oil-out of described oil eliminator is communicated with oil cooler, total oil inlet pipe of described oil cooler is connected with the oil-out of described oil eliminator, the refrigerant inlet of described oil cooler is connected with the liquid outlet of described evaporating cold, the oil-out of described oil cooler is connected with the oil return opening of described refrigeration compressor, the refrigerant outlet of described oil cooler is communicated with Siphon pot, the refrigerant outlet of described Siphon pot is communicated with high pressure liquid storing barrel.
As a kind of improved plan, described freon multi-machine heads parallel high-efficiency oil content refrigeration unit also comprises return-air superheater, the refrigerant inlet of described return-air superheater is connected with the refrigerant outlet of described high pressure liquid storing barrel, the refrigerant outlet of described return-air superheater is communicated with device for drying and filtering, the refrigerant outlet of described device for drying and filtering is communicated with low pressure oil separator, the refrigerant outlet of described low pressure oil separator is communicated with low pressure recycle bucket feed pipe, and the port of export of described low pressure recycle bucket feed pipe is connected with the refrigerant inlet of described low pressure recycle bucket;
The low pressure oil oil return opening of described low pressure recycle bucket is connected with the oil-in of described low pressure oil separator, the oil-out of described low pressure oil separator is connected with described return-air house steward's entrance point, described return-air house steward's outlet side is connected with the low-pressure gas import of described return-air superheater, the low-pressure gas outlet of described return-air superheater is connected with the air inlet of described refrigeration compressor, and the gas outlet of described low pressure oil separator is communicated with for being communicated with the decompression tube of described evaporimeter input.
As a kind of improved plan, described low pressure recycle bucket is provided with for monitoring normal leve monitor and the superelevation leve monitor of liquid level in described low pressure recycle bucket, the signal output part of described normal leve monitor and described superelevation leve monitor is all electrically connected with computer control unit, the first signal output of described computer control unit is electrically connected to described fluorine pump, and the secondary signal output of described computer control unit is electrically connected with alarm.
As a kind of improved plan, the motor cavity of described refrigeration compressor is communicated with motor cooling pipe, the import of described motor cooling pipe is connected with the liquid outlet of described evaporating cold, and the outlet of described motor cooling pipe is connected with total oil inlet pipe of described oil cooler.
The freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group that the utility model provides, due to its by freon multi-machine heads parallel high-efficiency oil content refrigeration unit, low pressure recycle bucket and fluorine pump integrated installation in same frame, effectively improve the compactedness of its structure, shortened between its each several part with and and refrigeration system in evaporating cold and the pipeline between evaporimeter, improve oil return effect and system reliability of operation, reduced operating cost.
Because freon multi-machine heads parallel high-efficiency oil content refrigeration unit comprises many refrigeration compressors that are fixed on frame one side that are arranged in parallel, and by oil eliminator, oil cooler, Siphon pot, high pressure liquid storing barrel integrated installation is in frame, when shortening refrigeration system pipeline, improved the structural compactness of this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, also oily separating power and oil return ability have been improved, improved the operating efficiency of refrigeration compressor, the lubricating oil significantly having reduced in refrigeration machine liquid residual simultaneously, guaranteed the refrigeration of evaporimeter.
Due to by the return-air superheater in high pressure fluid reservoir downstream, oil strainer and low pressure oil separator are communicated with and integrated being installed in frame successively, further improved the structural compactness of this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, also make this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group possess secondary oil separating power and oil return cooling capacity, the lubricating oil further having reduced in refrigeration machine liquid is residual, guaranteed the refrigeration of evaporimeter, also improved its oil return ability, further improved the operating efficiency of refrigeration compressor.
On low pressure recycle bucket, be provided with for monitoring normal leve monitor and the superelevation leve monitor of liquid level in described low pressure recycle bucket, can make computer control unit according to the level condition in low pressure recycle bucket, automatically control the working condition of fluorine pump, then improve the refrigeration of evaporimeter, also the oil return ability that has improved this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, improves its operating efficiency simultaneously; When liquid level in low pressure recycle bucket is too high, computer control unit is controlled alarm and is carried out actuation of an alarm, so that staff processes.
The motor cavity of refrigeration compressor is communicated with to motor cooling pipe, the import of motor cooling pipe and the liquid outlet of evaporating cold are connected, the outlet of motor cooling pipe is connected with the refrigerant inlet of oil cooler, refrigerant liquid can be sprayed into refrigeration compressor motor chamber, so as to cooling, because of high-speed rotary, transfer constantly heating up refrigeration compressor motor, improve the operating efficiency of refrigeration compressor.
The freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group that the utility model provides, compact conformation, system pipes is short out, and oil return is effective, and system reliability of operation is high, and operating cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation front view of the freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group that provides of the utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is that schematic diagram is looked on the right side of Fig. 1;
In figure: 1-frame, 2-low pressure recycle bucket, 3-fluorine pump, 4-fluorine pump strainer, 5-fluorine blowback tracheae, 6-evaporimeter feed flow house steward, 7-evaporimeter discharge header, 8-return-air house steward, 9-refrigeration compressor, 10-exhaust main, 11-oil eliminator, 12-high pressure gas house steward, 13-oil cooler, the total oil inlet pipe of 14-, 15-Siphon pot, 16-high pressure liquid storing barrel, 17-joins oily house steward, 18-compressor oil-supplying pipe, 19-return-air superheater, 20-device for drying and filtering, 21-low pressure oil separator, 22-low pressure recycle bucket feed pipe, the normal leve monitor of 23-, 24-superelevation leve monitor, 25-decompression tube, 26-high pressure liquid storing barrel feed tube, 27-high pressure liquid storing barrel fluid house steward, 28-refrigeration compressor air bleeding valve, 29-low-pressure oil return pipe, 30-low pressure oil content oil return pipe, 31-refrigeration compressor air suction pipe, 32-motor cooling pipe.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation front view of the freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group that the utility model provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
Freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group comprises frame 1, and frame 1 is provided with freon multi-machine heads parallel high-efficiency oil content refrigeration unit and the low pressure recycle bucket 2 being connected together, wherein:
The refrigerant liquid output of freon multi-machine heads parallel high-efficiency oil content refrigeration unit is connected with the refrigerant inlet of low pressure recycle bucket 2, the refrigerant outlet of low pressure recycle bucket 2 is communicated with fluorine pump 3, the refrigeration machine import of fluorine pump 3 and the pipeline between low pressure recycle bucket 2 are provided with fluorine pump strainer 4, the refrigerant gas outlet of fluorine pump 3 is connected with the fluorine blowback gas port of low pressure recycle bucket 2 by fluorine blowback tracheae 5, as shown in Figure 3, the refrigerant liquid outlet of fluorine pump 3 is communicated with for being communicated with the evaporimeter feed flow house steward 6 of evaporimeter input, the gas-liquid mixed import of low pressure recycle bucket 2 is communicated with for being communicated with the evaporimeter discharge header 7 of evaporimeter output,
The refrigerant gas outlet of low pressure recycle bucket 2 is communicated with return-air house steward 8, and return-air house steward 8 outlet side is connected with the inlet end of freon multi-machine heads parallel high-efficiency oil content refrigeration unit.
In this embodiment, on low pressure recycle bucket 2, be provided with for monitoring normal leve monitor 23 and the superelevation leve monitor 24 of low pressure recycle bucket 2 interior liquid levels, the signal output part of normal leve monitor 23 and superelevation leve monitor 24 is all electrically connected with computer control unit, the first signal output of computer control unit is electrically connected to fluorine pump 3, and the secondary signal output of computer control unit is electrically connected with alarm.
The refrigerant liquid accumulating along with low pressure recycle bucket 2 the insides becomes many gradually, while reaching regulation liquid level, normal leve monitor 23 is about to this signal and is passed to computer control unit, computer control unit sends Toshiba's signal to fluorine pump 3, fluorine pump 3 is opened automatically, the refrigerant liquid of low-temp low-pressure is sent into evaporimeter through evaporimeter feed flow house steward 6, and the liquid refrigerant of evaporimeter the inside absorbs storehouse heat and becomes refrigerant gas.Under the suction of refrigeration compressor 9, absorb the part of refrigerant liquid that cold-producing medium and having little time that heat self becomes gas is evaporated to gas completely and enter low pressure recycle bucket 2 with gas-liquid mixture form, refrigerant liquid is under low pressure recycle bucket 2 gas liquid separating functions, because self gravitation is fallen low pressure recycle bucket 2 bottoms, prepare again to be sent into evaporator evaporation by fluorine pump 3 and lower the temperature.Refrigerant liquid may have the heat absorption of operative liquid cold-producing medium and become gas in the process that is entered fluorine pump 3 from low pressure recycle bucket 2, and this part gas is got back to low pressure recycle bucket 2 through fluorine blowback tracheae 5.Refrigerant liquid is sent into evaporimeter by fluorine pump 3 by evaporimeter feed flow house steward 6.The compactedness that can effectively improve its structure with this, shorten between its each several part with and and refrigeration system in evaporating cold and the pipeline between evaporimeter, improve oil return effect and system reliability of operation, reduce operating cost.
As shown in Figure 2, freon multi-machine heads parallel high-efficiency oil content refrigeration unit comprises many refrigeration compressors 9 that are fixed on frame 1 one sides that are arranged in parallel, the outlet side of ownership cold compressor 9 is communicated with exhaust main 10 jointly, the outlet side of exhaust main 10 is communicated with oil eliminator 11, the gas outlet of oil eliminator 11 is communicated with for being communicated with the high pressure gas house steward 12 of evaporating cold air inlet, the oil-out of oil eliminator 11 is communicated with oil cooler 13, total oil inlet pipe 14 of oil cooler 13 is connected with the oil-out of oil eliminator 11, the refrigerant inlet of oil cooler 13 is connected with the liquid outlet of evaporating cold, the oil-out of oil cooler 13 is connected with the oil return opening of refrigeration compressor 9, the refrigerant outlet of oil cooler 13 is communicated with Siphon pot 15, the refrigerant outlet of Siphon pot 15 is communicated with high pressure liquid storing barrel 16.
Refrigeration compressor 9 completes the process of air-breathing exhaust, needs the lubricated ability of lubricating oil to complete smoothly.Refrigerant gas is being become in the process of high pressure from low pressure, part lubricating oil can inevitably be drained with refrigerant gas, first the refrigerant gas that carries lubricating oil enters oil eliminator 11 through exhaust main 10, carries out the separated of refrigerant gas and lubricating oil in oil eliminator 11 the insides.It is temporary that lubricating oil after separated drops on oil eliminator 11 bottoms.The lubricating oil that accumulates in oil eliminator 11 bottoms enters oil cooler 13 through total oil inlet pipe 14 of valve pipe oil cooler 13; being flow down from evaporating cold, warm refrigerant liquid is cooled to after set point of temperature; through joining oily house steward 17, compressor oil-supplying pipe 18; through stop valve, filter, magnetic valve, oil stream protection switch, depending on entering the oil return opening of refrigeration compressor 9 after oily mirror, stop valve; the supply system cold compressor 9 recycles, and it is temporary that refrigeration machine liquid enters into high pressure liquid storing barrel 16 through Siphon pot 15.When shortening refrigeration system pipeline, improved the structural compactness of this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, also oily separating power and oil return ability have been improved, improved the operating efficiency of refrigeration compressor, the lubricating oil significantly having reduced in refrigeration machine liquid residual simultaneously, guaranteed the refrigeration of evaporimeter.
Freon multi-machine heads parallel high-efficiency oil content refrigeration unit also comprises return-air superheater 19, the refrigerant inlet of return-air superheater 19 is connected with the refrigerant outlet of high pressure liquid storing barrel 16, the refrigerant outlet of return-air superheater 19 is communicated with device for drying and filtering 20, the refrigerant outlet of device for drying and filtering 20 is communicated with low pressure oil separator 21, the refrigerant outlet of low pressure oil separator 21 is communicated with low pressure recycle bucket feed pipe 22, and the port of export of low pressure recycle bucket feed pipe 22 is connected with the refrigerant inlet of low pressure recycle bucket 2;
The low pressure oil oil return opening of low pressure recycle bucket 2 is connected with the oil-in of low pressure oil separator 21 by low-pressure oil return pipe 29, the oil-out of low pressure oil separator 21 is connected with return-air house steward 8 entrance point, return-air house steward 8 outlet side is connected with the low-pressure gas import of return-air superheater 19, the low-pressure gas outlet of return-air superheater 19 is connected with the air inlet of refrigeration compressor 9, and the gas outlet of low pressure oil separator 21 is communicated with for being communicated with the decompression tube 25 of evaporimeter input.Adopt after this kind of structure, not only further improved the structural compactness of this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, also make this freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group possess secondary oil separating power and oil return cooling capacity, the lubricating oil further having reduced in refrigeration machine liquid is residual, guaranteed the refrigeration of evaporimeter, also improve its oil return ability, further improved the operating efficiency of refrigeration compressor.
During work, refrigerant inlet from the refrigerant liquid of evaporating cold by oil cooler 13 enters, the oil cooler 13 of flowing through, and enter Siphon pot 15 from its refrigerant outlet, from Siphon pot 15, out by high pressure liquid storing barrel feed tube 26, enter high pressure liquid storing barrel 16, then by high pressure liquid storing barrel fluid house steward 27, flow to return-air superheater 19, carry out heat exchange with the low-temp low-pressure return-air of discharging from low pressure recycle bucket 2, self emits heat, temperature reduces, go out the inlet that enters low pressure oil separator 21 after return-air superheater 19 is filtered out impurities by pipeline drying filter 20, from cold-producing medium mouth, flow out through low pressure recycle bucket feed pipe 22 filter of flowing through, magnetic valve, choke valve flows to low pressure recycle bucket 2, for low pressure recycle bucket 2, maintain normal liquid level cooling.
Under the suction of refrigeration compressor 9, from evaporimeter, enter the low-temperature low-pressure refrigerant steam of low pressure recycle bucket 2 and the mixture of refrigerant liquid, by low pressure recycle bucket 2, undertaken after gas-liquid separation, liquid drops on low pressure recycle bucket 2 bottoms, refrigerant gas is sucked the suction muffler of refrigeration compressor 9 under the effect of refrigeration compressor 9 by return-air house steward 8, through refrigeration compressor 9 compressions, improve after pressure, become the refrigerant gas of HTHP, through refrigeration compressor air bleeding valve 28, by exhaust main 10, entered after oil eliminator 11 separation lubrication oil, enter evaporating cold and carry out condensation.
By the separated clean lubricating oil of oil eliminator 11, by low pressure recycle bucket feed pipe 22, do not entered low pressure recycle bucket 2, swim in liquid refrigerant top, through low-pressure oil return pipe 29, enter low pressure oil separator 21.The process that the liquid refrigerant of middle temperature high pressure enters low pressure recycle bucket 2 by the low pressure recycle bucket feed pipe 22 low pressure oil separator 21 of will flowing through, and low pressure oil separator 21 is emitted to self heat make to be subject to thermal release at lubricating oil and the refrigerant mixture of the low-temp low-pressure of this retention.Cold-producing medium becomes gas to be got back to from evaporimeter from decompression tube 25.The lubricating oil of separating in low pressure oil separator 21 flows into the cooled compressor suction duct 31 of return-air house steward 8 cooled via return air superheater 19 through low pressure oil content oil return pipe 30 and sucks for self-lubrication.
Motor cavity at refrigeration compressor 9 is communicated with motor cooling pipe 32, the import of motor cooling pipe 32 is connected with the liquid outlet of evaporating cold, the outlet of motor cooling pipe 32 is connected with the refrigerant inlet of oil cooler 13, refrigerant liquid can be sprayed into the motor cavity of refrigeration compressor 9, so as to cooling, because of high-speed rotary, transfer constantly heating up refrigeration compressor motor, improve the operating efficiency of refrigeration compressor 9.
The freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group that the utility model provides, compact conformation, system pipes is short out, and oil return is effective, and system reliability of operation is high, and operating cost is low.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group, comprises frame, it is characterized in that, described frame is provided with UNICOM's freon multi-machine heads parallel high-efficiency oil content refrigeration unit and low pressure recycle bucket together:
The refrigerant liquid output of described freon multi-machine heads parallel high-efficiency oil content refrigeration unit is connected with the refrigerant inlet of described low pressure recycle bucket, the refrigerant outlet of described low pressure recycle bucket is communicated with fluorine pump, the refrigerant gas outlet of described fluorine pump is connected with the fluorine blowback gas port of described low pressure recycle bucket, the refrigerant liquid outlet of described fluorine pump is communicated with for being communicated with the evaporimeter feed flow house steward of evaporimeter input, and the gas-liquid mixed import of described low pressure recycle bucket is communicated with for being communicated with the evaporimeter discharge header of described evaporimeter output;
The refrigerant gas outlet of described low pressure recycle bucket is communicated with return-air house steward, and described return-air house steward's outlet side is connected with the inlet end of described freon multi-machine heads parallel high-efficiency oil content refrigeration unit.
2. freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group as claimed in claim 1, it is characterized in that: described freon multi-machine heads parallel high-efficiency oil content refrigeration unit comprises many refrigeration compressors that are fixed on described frame one side that are arranged in parallel, the outlet side of all described refrigeration compressors is communicated with exhaust main jointly, the outlet side of described exhaust main is communicated with oil eliminator, the gas outlet of described oil eliminator is communicated with for being communicated with the high pressure gas house steward of evaporating cold air inlet, the oil-out of described oil eliminator is communicated with oil cooler, total oil inlet pipe of described oil cooler is connected with the oil-out of described oil eliminator, the refrigerant inlet of described oil cooler is connected with the liquid outlet of described evaporating cold, the oil-out of described oil cooler is connected with the oil return opening of described refrigeration compressor, the refrigerant outlet of described oil cooler is communicated with Siphon pot, the refrigerant outlet of described Siphon pot is communicated with high pressure liquid storing barrel.
3. freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group as claimed in claim 2, it is characterized in that: described freon multi-machine heads parallel high-efficiency oil content refrigeration unit also comprises return-air superheater, the refrigerant inlet of described return-air superheater is connected with the refrigerant outlet of described high pressure liquid storing barrel, the refrigerant outlet of described return-air superheater is communicated with device for drying and filtering, the refrigerant outlet of described device for drying and filtering is communicated with low pressure oil separator, the refrigerant outlet of described low pressure oil separator is communicated with low pressure recycle bucket feed pipe, the port of export of described low pressure recycle bucket feed pipe is connected with the refrigerant inlet of described low pressure recycle bucket,
The low pressure oil oil return opening of described low pressure recycle bucket is connected with the oil-in of described low pressure oil separator, the oil-out of described low pressure oil separator is connected with described return-air house steward's entrance point, described return-air house steward's outlet side is connected with the low-pressure gas import of described return-air superheater, the low-pressure gas outlet of described return-air superheater is connected with the air inlet of described refrigeration compressor, and the gas outlet of described low pressure oil separator is communicated with for being communicated with the decompression tube of described evaporimeter input.
4. freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group as claimed in claim 3, it is characterized in that: described low pressure recycle bucket is provided with for monitoring normal leve monitor and the superelevation leve monitor of liquid level in described low pressure recycle bucket, the signal output part of described normal liquid level detector and described superelevation liquid level detector is all electrically connected with computer control unit, the first signal output of described computer control unit is electrically connected to described fluorine pump, and the secondary signal output of described computer control unit is electrically connected with alarm.
5. freon multi-machine heads parallel high-efficiency oil content barrel pump combination refrigerator group as claimed in claim 4, it is characterized in that: the motor cavity of described refrigeration compressor is communicated with motor cooling pipe, the import of described motor cooling pipe is connected with the liquid outlet of described evaporating cold, and the outlet of described motor cooling pipe is connected with the refrigerant inlet of described oil cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214615.XU CN203824147U (en) | 2014-04-29 | 2014-04-29 | Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214615.XU CN203824147U (en) | 2014-04-29 | 2014-04-29 | Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine |
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| CN203824147U true CN203824147U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420214615.XU Expired - Fee Related CN203824147U (en) | 2014-04-29 | 2014-04-29 | Freon multiple-machine-head parallel highly-efficient oil-separating barrel and pump combined refrigeration machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146297A (en) * | 2020-09-22 | 2020-12-29 | 华商国际工程有限公司 | Refrigeration system and operation control method thereof |
| CN115200251A (en) * | 2022-07-15 | 2022-10-18 | 珠海格力电器股份有限公司 | Fluorine pump compression refrigeration system and control method thereof |
| CN116045535A (en) * | 2023-01-13 | 2023-05-02 | 江苏兆胜空调有限公司 | Marine quick-freezing fluorine pump refrigerating system |
-
2014
- 2014-04-29 CN CN201420214615.XU patent/CN203824147U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146297A (en) * | 2020-09-22 | 2020-12-29 | 华商国际工程有限公司 | Refrigeration system and operation control method thereof |
| CN115200251A (en) * | 2022-07-15 | 2022-10-18 | 珠海格力电器股份有限公司 | Fluorine pump compression refrigeration system and control method thereof |
| CN115200251B (en) * | 2022-07-15 | 2023-11-17 | 珠海格力电器股份有限公司 | Fluorine pump pressure refrigeration system and control method thereof |
| CN116045535A (en) * | 2023-01-13 | 2023-05-02 | 江苏兆胜空调有限公司 | Marine quick-freezing fluorine pump refrigerating system |
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