CN105588383B - Gas-solid mixing formula nano refrigerant filling device - Google Patents

Gas-solid mixing formula nano refrigerant filling device Download PDF

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Publication number
CN105588383B
CN105588383B CN201610090271.XA CN201610090271A CN105588383B CN 105588383 B CN105588383 B CN 105588383B CN 201610090271 A CN201610090271 A CN 201610090271A CN 105588383 B CN105588383 B CN 105588383B
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gas
storage bin
solid
solid mixing
refrigerant
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CN201610090271.XA
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CN105588383A (en
Inventor
丁国良
林灵楠
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00Arrangements for charging or discharging refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001Charging refrigerant to a cycle

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A kind of gas-solid mixing formula nano refrigerant filling device of refrigeration system technical field, including:Refrigerant storage tank, the storage bin with gas-exchange membrane and gas-solid mixing bunker, refrigerant storage tank are connected with the import of storage bin and an import in gas-solid mixing storehouse respectively by filling inlet stop valve, and the outlet in gas-solid mixing storehouse is connected with refrigeration system circuit;Storage bin is divided into two layers up and down by gas-exchange membrane, and the import of the storage bin on upper strata is provided with storage bin inlet adjustment valve, and outlet, which is connected with vavuum pump and is provided with to vacuumize, uses stop valve;Nano-particle is provided with the storage bin of lower floor, exports and is connected and is provided with storage bin index combustion fan with another import in gas-solid mixing storehouse.The present invention can realize that nano-particle mixes with the direct of refrigerant on the basis of existing refrigeration system, without carrying out any transformation to existing refrigeration system, while can prevent from being mixed into air in refrigeration system.

Description

Gas-solid mixing formula nano refrigerant filling device
Technical field
The present invention relates to a kind of technology of field of refrigeration, specifically a kind of gas-solid mixing formula nano refrigerant fills Dispensing device.
Background technology
Nano-particle mixes with conventional refrigerant can form nano refrigerant, and the heat exchange property of nano refrigerant is relative to normal Regulation cryogen, which has, to be obviously improved.But refrigeration system internal pressure is far above atmospheric pressure, and need and air exclusion, this to receive Rice corpuscles is difficult to directly addition injection.
Nano refrigerant filling method is that nano-particle is first mixed to simultaneously ultrasonic disperse with lubricating oil at present, forms " nanometer Oil ", is reinjected in refrigeration system.Because solubility of the nano-particle in lubricating oil is very low, and the oil content in refrigeration system Relatively low (generally 1~5wt%), therefore this filling mode is merely able to add a small amount of nano-particle, and a small amount of nano-particle is to energy The lifting of effect is extremely limited.Play improving energy efficiency to make to play the role of in refrigeration system more nano-particle, need to have can single fill Note the device of more nano-particle.
Found by the retrieval to prior art, Chinese patent literature CN1800752A, open (bulletin) day 2006.07.12, a kind of nanoparticle filling device for refrigerating system of refrigeration technology field is disclosed.The device is in original refrigeration system A bypass circulation is with the addition of on system, by the way that nano-particle to be mixed to simultaneously sonic oscillation with the liquid phase refrigerant in bypass circulation, The direct filling of the more nano-particle of single can be achieved.However, the design of bypass circulation means that existing refrigeration system need to be entered Row transformation, causes the device to be not directly applicable existing refrigeration system.In addition, nano-particle is in the mistake added to bypass circulation Partial air is had in journey and is mixed into refrigeration system, this will reduce system energy efficiency and may damage system unit.
The content of the invention
The present invention is directed to deficiencies of the prior art, it is proposed that a kind of gas-solid mixing formula nano refrigerant filling dress Put, can realize that nano-particle and the direct of vapor phase refrigerant are sufficiently mixed on the basis of existing refrigeration system, without to existing There is refrigeration system to carry out any transformation, and can prevent from being mixed into air in refrigeration system, influence the safe and stable operation of refrigeration system.
The present invention is achieved by the following technical solutions:
The present invention includes:Refrigerant storage tank, the storage bin with gas-exchange membrane and gas-solid mixing bunker, wherein:Refrigerant Storage tank is connected with the import of storage bin and an import of gas-solid mixing bunker respectively by filling inlet stop valve, gas-solid mixed The outlet for closing storehouse is connected with refrigeration system circuit.
Storage bin is divided into two layers up and down by described gas-exchange membrane, wherein:The import of the storage bin on upper strata is provided with storing Storehouse inlet adjustment valve, outlet, which is connected with vavuum pump and is provided with to vacuumize, uses stop valve;Nano-particle is provided with the storage bin of lower floor, Export and be connected and be provided with storage bin index combustion fan with another import of gas-solid mixing bunker.
Described gas-solid mixing bunker includes:The gas-solid premixed chamber being sequentially connected and at least one gas-solid secondary hybrid chamber.
Described refrigeration system circuit includes:It is sequentially connected in series the compressor to form loop, condenser, expansion valve and steaming Send out device.
Described gas-solid mixing bunker by suction line valve respectively with the compressor in refrigeration system circuit and evaporator phase Even.
Technique effect
Compared with prior art, the present invention may be directly applied to existing refrigeration system, without carrying out any transformation, have good Good application prospect;Instant invention overcomes air of the prior art in nano-particle adding procedure to be mixed into problem;It is of the invention real Existing nano-particle directly mixes with refrigerant, without being mixed in advance with lubricating oil, thus the charging amount of nano-particle is not limited System, the heat exchange property of refrigerant can be lifted to greatest extent.
Brief description of the drawings
Fig. 1 is the overall structure diagram of apparatus of the present invention;
Fig. 2 is that apparatus of the present invention vacuumize schematic diagram;
Fig. 3 is that apparatus of the present invention fill nano refrigerant schematic diagram;
In figure:It is monitoring weight equipment 1, refrigerant storage tank 2, filling inlet stop valve 3, primary air stop valve 4, gas-solid mixed Close storehouse 5, gas-solid premixed chamber 5a, gas-solid secondary hybrid chamber 5b, electronic impeller 6, nano-particle 7, storage bin 8, upper strata storage bin 8a, lower floor storage bin 8b, gas-exchange membrane 9, storage bin inlet adjustment valve 10, storage bin index combustion fan 11, vacuumize with cut Only valve 12, evacuated pressure table 13, vavuum pump 14, suction line valve 15, refrigeration system circuit 16, compressor 16a, condenser 16b, expansion valve 16c, evaporator 16d.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation Example.
Embodiment 1
As shown in figure 1, the present embodiment includes:Refrigerant storage tank 2, filling inlet stop valve 3, storage bin inlet adjustment valve 10th, storage bin 8, gas-exchange membrane 9, gas-solid mixing bunker 5, storage bin index combustion fan 11, vacuumize with stop valve 12 and vacuum Pump 14, wherein:Refrigerant storage tank 2 by fill import of the inlet stop valve 3 respectively with storage bin 8, gas-solid mixing bunker 5 one Individual import is connected, and gas-solid mixing bunker 5 is connected with refrigeration system circuit 16;
Described gas-exchange membrane 9 divides storage bin 8 for upper and lower two layers, wherein:Upper strata storage bin 8a import is provided with storage Feed bin inlet adjustment valve 10, upper strata storage bin 8a outlet, which is connected and is provided with vavuum pump 14, to be vacuumized with stop valve 12;Lower floor Nano-particle 7 is provided with storage bin 8b, lower floor storage bin 8b outlet is connected and set with another import of gas-solid mixing bunker 5 There is a storage bin index combustion fan 11, the aperture regulation that the charging amount of nano-particle 7 passes through storage bin index combustion fan 11.
Described gas-solid mixing bunker 5 includes:The gas-solid premixed chamber 5a and gas-solid secondary hybrid chamber 5b being sequentially connected;Institute The gas-solid premixed chamber 5a and gas-solid secondary hybrid chamber 5b stated is provided with electronic impeller 6, is easy to refrigerant and nano-particle 7 It is sufficiently mixed.
Primary air stop valve 4 is additionally provided between described filling inlet stop valve 3 and gas-solid premixed chamber 5a, with regulation Refrigerant charge.
Described refrigeration system circuit 16 includes being sequentially connected in series the compressor 16a to form loop, condenser 16b, swollen Swollen valve 16c and evaporator 16d.
Described gas-solid mixing bunker 5 by suction line valve 15 respectively with the compressor 16a in refrigeration system circuit 16, Evaporator 16d is connected.
Described vavuum pump 14 is additionally provided with the dynamic monitoring that evacuated pressure table 13 carries out pressure.
Described refrigerant storage tank 2 is provided with monitoring weight equipment 1 to control refrigerant charge.
Described nano-particle 7 refers to solid material of the particle diameter between 2 nanometers to 200 nanometers.
The present apparatus at work, comprises the following steps:
S1, filling inlet stop valve 3, storage bin index combustion fan 11 are closed, opens primary air stop valve 4, storage bin enters Mouth regulating valve 10, vacuumize with stop valve 12 and suction line valve 15, startup vavuum pump 14, by the present apparatus and refrigeration system circuit Vacuumize, as shown in Figure 2;System vacuum can be recognized by the dynamic monitoring of pressure vacuum gauge 13 when system pressure reaches 50Pa To reach vacuum, then close and vacuumized with stop valve 12 and vavuum pump 14 successively;
S2, suction line valve 15 and primary air stop valve 4 are successively closed, storage bin inlet adjustment valve 10 is opened successively and fills Inlet stop valve 3, gaseous refrigerant is set to be full of storage bin 8;
S3, start electronic impeller 6 and compressor 16a, open primary air stop valve 4 and storage bin index combustion fan successively 11, the nano-particle 7 in lower floor storage bin 8b is fallen under gravity into refrigerant gas stream, and in gas-solid mixing bunker 5 It is sufficiently mixed, forms nano refrigerant;Suction line valve 15 is opened, nano refrigerant is followed into refrigeration system circuit 16 Ring, now system mode is as shown in Figure 3;
S4, after refrigerant amount meets system requirements, filling inlet stop valve 3, primary air stop valve 4, storage are closed successively Feed bin inlet adjustment valve 10, storage bin index combustion fan 11 and suction line valve 15, electronic impeller 6 is closed, complete nanometer refrigeration The filling of agent.
Described inlet and outlet is defined by refrigerant charging direction, can also be used other reference directions, such as be vacuumized Gas flow direction, then inlet and outlet adjust accordingly.

Claims (5)

  1. A kind of 1. gas-solid mixing formula nano refrigerant filling device, it is characterised in that including:Refrigerant storage tank, with gas hand over The storage bin of film and gas-solid mixing bunker are changed, wherein:Refrigerant storage tank is by filling import of the inlet stop valve respectively with storage bin And an import of gas-solid mixing bunker is connected, the outlet of gas-solid mixing bunker is connected with refrigeration system circuit;
    Storage bin is divided into two layers up and down by described gas-exchange membrane, wherein:The import of the storage bin on upper strata enters provided with storage bin Mouth regulating valve, outlet, which is connected with vavuum pump and is provided with to vacuumize, uses stop valve;Nano-particle is provided with the storage bin of lower floor, is exported It is connected with another import of gas-solid mixing bunker and is provided with storage bin index combustion fan.
  2. 2. gas-solid mixing formula nano refrigerant filling device according to claim 1, it is characterized in that, described is gas-solid mixed Closing storehouse includes:The gas-solid premixed chamber being sequentially connected and gas-solid secondary hybrid chamber.
  3. 3. gas-solid mixing formula nano refrigerant filling device according to claim 1 or 2, it is characterized in that, described is gas-solid Primary air stop valve is provided between mixing bunker and filling inlet stop valve.
  4. 4. gas-solid mixing formula nano refrigerant filling device according to claim 1, it is characterized in that, the storage of described refrigerant Tank is provided with monitoring weight equipment.
  5. 5. gas-solid mixing formula nano refrigerant filling device according to claim 1 or 2, it is characterized in that, described refrigeration System circuit includes:The compressor to form loop, condenser, expansion valve and evaporator are sequentially connected in series, described is gas-solid mixed Storehouse is closed by the pipeline between suction line valve and compressor and evaporator to be connected.
CN201610090271.XA 2016-02-18 2016-02-18 Gas-solid mixing formula nano refrigerant filling device Active CN105588383B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113932503B (en) * 2021-11-24 2023-04-07 宁波奥克斯电气股份有限公司 Refrigerant charging device and control method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470265A (en) * 1982-05-10 1984-09-11 Gerlach Industries Refrigerant charging system
CN2049329U (en) * 1989-04-19 1989-12-13 华磊 Gas mixture filler for chase leaks
CN1800752A (en) * 2006-01-12 2006-07-12 上海交通大学 Nanoparticle filling device for refrigerating system
WO2011132306A1 (en) * 2010-04-23 2011-10-27 Shinkawa Yoshinobu Method for producing a hydrocarbon mixed refrigerant
CN102679603A (en) * 2011-03-15 2012-09-19 河南新飞电器有限公司 Energy-saving refrigerator
KR20130111888A (en) * 2012-04-02 2013-10-11 현대자동차주식회사 Device and method for injecting fixed quantity of refrigerants

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470265A (en) * 1982-05-10 1984-09-11 Gerlach Industries Refrigerant charging system
CN2049329U (en) * 1989-04-19 1989-12-13 华磊 Gas mixture filler for chase leaks
CN1800752A (en) * 2006-01-12 2006-07-12 上海交通大学 Nanoparticle filling device for refrigerating system
WO2011132306A1 (en) * 2010-04-23 2011-10-27 Shinkawa Yoshinobu Method for producing a hydrocarbon mixed refrigerant
CN102679603A (en) * 2011-03-15 2012-09-19 河南新飞电器有限公司 Energy-saving refrigerator
KR20130111888A (en) * 2012-04-02 2013-10-11 현대자동차주식회사 Device and method for injecting fixed quantity of refrigerants

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