CN109140849A - The refrigerant charging method of the cooling refrigeration system of thermal siphon oil - Google Patents
The refrigerant charging method of the cooling refrigeration system of thermal siphon oil Download PDFInfo
- Publication number
- CN109140849A CN109140849A CN201811094820.6A CN201811094820A CN109140849A CN 109140849 A CN109140849 A CN 109140849A CN 201811094820 A CN201811094820 A CN 201811094820A CN 109140849 A CN109140849 A CN 109140849A
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- agent valve
- thermal siphon
- out agent
- refrigeration system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/001—Charging refrigerant to a cycle
Abstract
The invention discloses a kind of refrigerant charging methods of the cooling refrigeration system of thermal siphon oil, using mainly by cryogen vessel, distribution station, the filling equipment of main pipeline and three distribution ducts composition fills refrigerant to the cooling refrigeration system of thermal siphon oil, main pipeline is equipped with into agent valve, it is provided with first in distribution station and goes out agent valve, second goes out agent valve, third goes out agent valve and pressure gauge, first goes out agent valve, second, which goes out agent valve and third, goes out agent valve and passes through the pipeline that a distribution duct is sequentially connected between evaporator and low pressure recycle liquid storage device respectively, the pipeline between pipeline and high-pressure reservoir and throttle valve between condenser and thermal siphon liquid storage device, one end of main pipeline is connected to cryogen vessel, the connection of its other end and distribution station.The filling method has many advantages, such as to use the filling equipment that is simple and convenient to operate of structure, and it is safe and reliable, program is clear, filling is high-efficient.
Description
Technical field
The present invention relates to a kind of technology of field of refrigeration more particularly to a kind of systems of the cooling refrigeration system of thermal siphon oil
Cryogen fills method.
Background technique
Currently, refrigeration system is generally divided into the oily cold and water cooling of thermal siphon, cold thermal siphon oil is to utilize liquids and gases density
Pressure difference that is different and being formed is recycled, and the conveying equipments such as pump are not had to.Thermal siphon oil is cold can be saved relative to water-cooling pattern
Water source, and can influence to conduct heat to avoid fouling is generated in heat exchanger, thus be widely used.
As shown in Figure 1, the cooling refrigeration system 5 of thermal siphon oil includes condenser 501, thermal siphon liquid storage device 502, high pressure liquid storage
Device 503, throttle valve 504, low pressure recycle liquid storage device 505, refrigerated medium pump 506, evaporator 507, compressor 508 and thermal siphon oil are cold
But device 509, thermal siphon liquid storage device 502, high-pressure reservoir 503, throttle valve 504, low pressure recycle liquid storage device 505 and compressor 508
The connection forming circuit of pipeline 510 is passed sequentially through, is also connected with return between condenser 501 and thermal siphon liquid storage device 502
511, thermal siphon oil cooler 509 is connected to compressor 508 and thermal siphon liquid storage device 502 by twin flue 510 respectively, and low pressure is followed
Ring liquid storage device 505, refrigerated medium pump 506 and evaporator 507 pass sequentially through the connection of pipeline 510 and form another circuit.
Currently, the internal unit of the cooling refrigeration system of thermal siphon oil when filling refrigerant, substantially still uses and water
The same filling device of cold type oil cooling system and filling mode, safety is low, structure is complicated, refrigerant charging speed is slow and
It is inconvenient for operation.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of, behaviour simple using structure
Make convenient filling equipment, and the refrigeration of the cooling refrigeration system of thermal siphon oil safe and reliable, program is clear, filling is high-efficient
Agent fills method.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of refrigerant charging method of the cooling refrigeration system of thermal siphon oil, using mainly by cryogen vessel, distribution station, supervisor
The filling equipment of road and three distribution ducts composition fills refrigerant to the cooling refrigeration system of thermal siphon oil, sets on the main pipeline
Have into agent valve, be provided in distribution station first go out agent valve, second go out agent valve, third goes out agent valve and pressure gauge, first goes out agent valve, the
Two, which go out agent valve and third, goes out agent valve and passes through a distribution duct respectively to be sequentially connected between evaporator and low pressure recycle liquid storage device
Pipeline, the pipeline between pipeline and high-pressure reservoir and throttle valve between condenser and thermal siphon liquid storage device, the supervisor
The one end in road is connected to the cryogen vessel, the connection of the other end and the distribution station.
As a further improvement of the above technical scheme:
The filling method the following steps are included:
S1: being first in close state each valve and opens cryogen vessel, then slowly open throttle valve, into agent valve and distribution
Second to stand goes out agent valve, fills refrigerated medium to thermal siphon liquid storage device；
S2: it when the refrigerated medium of thermal siphon liquid storage device, which fills, to be completed, closes second and goes out agent valve, open third and go out agent valve, to high pressure
Liquid storage device fills refrigerated medium；
S3: it when the interior pressure of high-pressure reservoir and when approaching or is fair of cryogen vessel, closes third and goes out agent valve, and close
Or throttle valve is turned down, compressor is opened, the interior pressure of low pressure recycle liquid storage device is reduced；
S4: opening first and go out agent valve, refrigerant is filled to low pressure recycle liquid storage device, when high-pressure reservoir and low pressure recycle liquid storage device
When middle refrigerant liquid level reaches design height, cryogen vessel is closed；
S5: standard-sized sheet first goes out agent valve, and compressor is kept to open, and the refrigerant in distribution station, main pipeline and distribution duct is pumped into
Low pressure recycle liquid storage device；
S6: when pressure gauge is close to 0, and when distribution station surface stops frosting, close on main pipeline into agent valve and compressor；
S7: removal main pipeline.
The design height of refrigerant is the 70% of total height in high-pressure reservoir described in the step S4, and the low pressure is followed
The design height of refrigerant is the 25% or 40% or 60% or 65% of total height in ring liquid storage device.
The main pipeline is connected to the distribution station by connecting flange, when the main pipeline is connect with the distribution station
When, the outflow state of refrigerant in the cryogen vessel is detected, it is described detection the following steps are included:
Y1: make between flange and the main pipeline that there are gaps；
Y2: it is crack into agent valve, when the white fog of evolution in gap, it was demonstrated that refrigerant smoothly flows out in cryogen vessel；
Y3: tightening flange, makes main pipeline and distribution station close communication.
Refrigerant in the cryogen vessel is ammonia or freon.
It further include being detected to the leakage situation of refrigerant in the step S1, when refrigerant is fluorine in cryogen vessel
It when Leon, when the pressure of the cooling refrigeration system of thermal siphon oil reaches 0.2~0.3Mpa, closes second and goes out agent valve, by will be fertile
It hunts leak each junction that soap water is applied to filling equipment；It is cooling in thermal siphon oil when refrigerant is ammonia in cryogen vessel
It when the pressure of refrigeration system reaches 0.1~0.2Mpa, closes second and goes out agent valve, by setting phenolphthalein or litmus paper close to filling
It hunts leak standby each junction.
The pressure of inspiration(Pi) of compressor is not less than 0.15Mpa in the step S3.
Refrigerated medium pump is also opened in the step S3.
The main pipeline is rubber hose, and each distribution duct is seamless steel pipe.
Service valve is also connected in the distribution station.
Compared with the prior art, the advantages of the present invention are as follows:
The refrigerant charging method of the cooling refrigeration system of thermal siphon oil of the invention, using mainly by cryogen vessel, distribution station,
The filling equipment of main pipeline and three distribution ducts composition fills refrigerant to the cooling refrigeration system of thermal siphon oil, sets on main pipeline
Have into agent valve, be provided in distribution station first go out agent valve, second go out agent valve, third goes out agent valve and pressure gauge, first goes out agent valve, the
Two, which go out agent valve and third, goes out agent valve and passes through a distribution duct respectively to be sequentially connected between evaporator and low pressure recycle liquid storage device
Pipeline, the pipeline between pipeline and high-pressure reservoir and throttle valve between condenser and thermal siphon liquid storage device, main pipeline
One end is connected to cryogen vessel, the connection of the other end and distribution station.By using mainly by cryogen vessel, distribution station,
The filling equipment of main pipeline and three distribution ducts composition fills refrigerant, the filling equipment to the cooling refrigeration system of thermal siphon oil
Structure is simple and convenient to operate, and the filling method safety is reliable, filling is high-efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the cooling refrigeration system of thermal siphon oil.
Fig. 2 is the structural schematic diagram of the refrigerant charging process of the cooling refrigeration system of thermal siphon oil of the present invention.
Fig. 3 is the schematic diagram of the refrigerant charging method of the cooling refrigeration system of thermal siphon oil of the present invention.
Each label indicates in figure:
1, cryogen vessel；2, distribution station；21, first goes out agent valve；22, second goes out agent valve；23, third goes out agent valve；24, pressure
Table；25, service valve；3, main pipeline；31, into agent valve；4, distribution duct；5, the cooling refrigeration system of thermal siphon oil；501, it condenses
Device；502, thermal siphon liquid storage device；503, high-pressure reservoir；504, throttle valve；505, low pressure recycle liquid storage device；506, refrigerant
Pump；507, evaporator；508, compressor；509, thermal siphon oil cooler；510, pipeline；511, return.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 2 and Fig. 3 show the refrigerant charging methods of the cooling refrigeration system of the thermal siphon oil of the present embodiment, using main
The filling equipment being made of cryogen vessel 1, distribution station 2, main pipeline 3 and three distribution ducts 4 is cooling to thermal siphon oil to freeze
System 5 fills refrigerant, and main pipeline 3 is equipped with into agent valve 31, first is provided in distribution station 2 goes out agent valve 21, second and go out agent valve
22, third goes out agent valve 23 and pressure gauge 24, and first goes out agent valve 21, second, and agent valve 22 and third go out agent valve 23 respectively by one out
Distribution duct 4 is sequentially connected to pipeline 510, condenser 501 and hot rainbow between evaporator 507 and low pressure recycle liquid storage device 505
Inhale the pipeline 510 between the pipeline 510 and high-pressure reservoir 503 and throttle valve 504 between liquid storage device 502, one end of main pipeline 3
It is connected to cryogen vessel 1, the connection of the other end and distribution station 2, main pipeline 3 is rubber hose, and each distribution duct 4 is nothing
Stitch steel pipe.By using the filling equipment being mainly made of cryogen vessel 1, distribution station 2, main pipeline 3 and three distribution ducts 4
Refrigerant is filled to the cooling refrigeration system 5 of thermal siphon oil, which is simple and convenient to operate, the filling method safety
Reliably, it fills high-efficient.
In the present embodiment, service valve 25 is also connected in the distribution station 2.Service valve 25 is for connecting spare refrigerant
Container 1.
In the present embodiment, the refrigerant charging method of the cooling refrigeration system 5 of thermal siphon oil the following steps are included:
S1: being first in close state each valve and opens cryogen vessel 1, then slowly open throttle valve 504, into agent valve 31, with
And the second of distribution station 2 goes out agent valve 22, fills refrigerated medium to thermal siphon liquid storage device 502.In the step, first make 2 periphery of distribution station
Valve is in close state, including first goes out agent valve 21, second and go out agent valve 22, third to go out agent valve 23, make into agent valve 31, or first
Each valve opens cryogen vessel 1 all in closed state, then slowly opens throttle valve 504, into agent valve 31 and distribution station 2
Second goes out agent valve 22, using the pressure difference of cryogen vessel 1 and thermal siphon liquid storage device 502, fills and makes to thermal siphon liquid storage device 502
Cryogen illustrates that refrigerant is smooth when bloom occur in distribution station 2, main pipeline 3 and distribution duct 4 and issue subtle flowing sound
The cooling refrigeration system 5 of thermal siphon oil is added.
S2: it when the refrigerated medium of thermal siphon liquid storage device 502, which fills, to be completed, closes second and goes out agent valve 22, open third and go out agent
Valve 23 fills refrigerated medium to high-pressure reservoir 503.In the step, reach overflow height in 502 inner refrigerant of thermal siphon liquid storage device
When, illustrate that thermal siphon liquid storage device 502 and 509 inner refrigerant charging amount of thermal siphon oil cooler meet the operation of compressor 508 and want
It asks；It closes second and goes out agent valve 22, open third and go out agent valve 23 to the filling refrigerant of high-pressure reservoir 503, keep in the process
Throttle valve 504 is opened.
S3: it when the interior pressure of high-pressure reservoir 503 and the close or fair interior pressure of cryogen vessel 1, closes or closes
Small throttle valve 504 closes third and goes out agent valve 23；To after 501 cooling water supply of condenser, compressor 508, compressor 508 are opened
Divide slow increment of load several times, reduce the interior pressure of low pressure recycle liquid storage device 505, increases cryogen vessel 1 and low pressure recycle liquid storage device
505 pressure difference flows into low pressure recycle liquid storage device 505 for 1 inner refrigerant of cryogen vessel and creates conditions, while passing through compressor
508 by refrigerant from the high-pressure reservoir 503 that low pressure recycle liquid storage device 505 is delivered to high-pressure section；In this process control pressure
508 pressure of inspiration(Pi) of contracting machine is not less than 0.15MPa(absolute pressure)；It is extracted out and is freezed by compressor 508 when low pressure recycle liquid storage device 505
When agent speed is slower, refrigerated medium pump 506 can be opened to evaporator 507 and open number of units for refrigerant and/or increase compressor 508,
The speed of high-pressure reservoir 503 is delivered to accelerate refrigerant from low pressure recycle liquid storage device 505；
S4: opening first and go out agent valve 21, fills refrigerant to low pressure recycle liquid storage device 505, observes high-pressure reservoir 503 and low pressure
Refrigerant liquid level in liquid storage device 505 is recycled, when the liquid level of 503 inner refrigerant of high-pressure reservoir reaches 70%, and low pressure
When circulation liquid storage device 505 reaches design height (control height), cooling 5 refrigerant charge of the refrigeration system satisfaction of thermal siphon oil is wanted
It asks, turns off cryogen vessel 1.In the step, the liquid level design height of 503 inner refrigerant of high-pressure reservoir is total height
70%, when the liquid level of 503 inner refrigerant of high-pressure reservoir first reaches 70%, big throttle valve 504 is opened or opened, accelerates refrigeration
Agent flows to low pressure recycle liquid storage device 505 from high-pressure reservoir 503, and the height of 503 inner refrigerant of high-pressure reservoir is kept to be no more than
70%；The refrigerated medium pump 506 partly or entirely having turned on can be closed simultaneously, reduce or stops closing to evaporator 507 for refrigerant
When the compressor 508(that closing part point has turned on only opens a compressor 508,508 load of compressor is reduced), reduce refrigerant
The speed of high-pressure reservoir 503 is delivered to from low pressure recycle liquid storage device 505.
The liquid level design height (control height) of 505 inner refrigerant of low pressure recycle liquid storage device is 25% or 40% or 60%
Or 65%.For evaporator 507 using high in and low out for the cooling refrigeration system 5 of thermal siphon oil of refrigerant mode, in refrigerant
After pumping 506 stable operation 15 minutes, the refrigerant level of low pressure recycle liquid storage device 505 can be by 25% control, in refrigerated medium pump 506
After 15 minutes out of service, the refrigerant level of low pressure recycle liquid storage device 505 can be by 65% control；For evaporator 507 using low
Into the cooling refrigeration system 5 of thermal siphon oil being higher by for refrigerant mode, after 506 stable operation of refrigerated medium pump 15 minutes, low pressure
The refrigerant level for recycling liquid storage device 505 can be by 40% control, after refrigerated medium pump 506 out of service 15 minutes, low pressure recycle storage
The refrigerant level of liquid device 505 can be by 60% control.
When the liquid level of 505 inner refrigerant of low pressure recycle liquid storage device first reaches control height, small throttling is closed or opened
Valve 504 stops or reduces refrigerant from high-pressure reservoir 503 and flows to low pressure recycle liquid storage device 505；Greater number can be opened simultaneously
Refrigerated medium pump 506 to evaporator 507 for refrigerant and/or increase more multi-compressor 508 open number of units (only open a pressure
When contracting machine 508, and increase by 508 load of compressor when the operation of the less than load of compressor 508), accelerate refrigerant and is stored up from low pressure recycle
Liquid device 505 is delivered to the speed of high-pressure reservoir 503；First can also suitably be reduced and go out 21 aperture of agent valve.
When the liquid level of 503 inner refrigerant of high-pressure reservoir reaches 70%, and low pressure recycle liquid storage device 505 reaches control
When height processed, refrigeration system refrigerant charge is met the requirements, and closes the included switch valve of cryogen vessel 1.
S5: standard-sized sheet first goes out agent valve 21, and compressor 508 is kept to open, will be in distribution station 2, main pipeline 3 and distribution duct 4
Refrigerant be pumped into low pressure recycle liquid storage device 505.It in the process, can be by wiping 2 surface frosting of distribution station, or in 2 table of distribution station
Ammoniacal liquor evaporation in distribution station 2 is accelerated in face water drenching.
S6: when pressure gauge 24 is close to 0, and when 2 surface of distribution station stops frosting, illustrate that 2 ammoniacal liquor of distribution station steams completely
Hair, close on main pipeline 3 into agent valve 31 and compressor 508.In the step, pressure gauge 24 is observed, when the pressure of pressure gauge 24
Closed when being worth close to 0 on main pipeline 3 into agent valve 31 and compressor 508, be ready for the removal work of next step.
During refrigerant charging, operator should be according to thermal siphon liquid storage device 502, high-pressure reservoir 503, low pressure recycle
When refrigerant level and refrigerated medium pump 506 are run in the main liquid storage equipment such as liquid storage device 505 in pipeline 510 and evaporator 507
The saturation of refrigerant is substantially checked with the refrigeration dose being filled with, and if error is larger, must be reexamined filling equipment and be answered
The opening and closing situation of the valve of unlatching.Filling refrigeration dose should be controlled by calculate charging amount 90% for the first time, even if high-pressure reservoir
503 and low pressure recycle liquid storage device 505 in refrigerant level be not up to requirement for height, should also stop filling, carry out test running, check
It has been filled with whether refrigeration dose has met operation demand, has avoided filling excessive.It carries out filling for second if necessary, fill
Journey still re-executes according to the above method.
S7: removal main pipeline 3.It in the step, dismantles into agent valve 31 and 3 connecting flange of main pipeline, opens a seam slightly
Gap, slowly releasing the refrigerant remained in main pipeline 3 (for freon refrigerant, can reinforce divulging information, accelerate Freon gas
It dissipates；For ammonia refrigerant, water mist absorbing ammonia gas can be sprayed to refrigerant charging position).To the refrigerant release in main pipeline 3
Thoroughly after, removal main pipeline 3, can also each distribution duct 4 of removal so that completely removal filling equipment in case save or be used for down
The cooling refrigeration system 5 of one thermal siphon oil fills.
In the present embodiment, main pipeline 3 is connected to distribution station 2 by connecting flange, when main pipeline 3 is connect with distribution station 2,
The outflow state of refrigerant in cryogen vessel 1 is detected, detection the following steps are included:
Y1: make between flange and main pipeline 3 that there are gaps；
Y2: the switch valve of crack cryogen vessel 1, when the white fog of evolution in gap, it was demonstrated that refrigerant is suitable in cryogen vessel 1
Benefit outflow；
Y3: tightening flange, makes main pipeline 3 and 2 close communication of distribution station.
Refrigerant in cryogen vessel 1 is ammonia or freon, 3 one end of main pipeline is connected to cryogen vessel 1, separately
By flanged joint, there are gaps slightly, crack into original switch on agent valve 31 and cryogen vessel 1 for one end and distribution station 2
Valve examines at gap, escapes if any minute quantity white fog, it was demonstrated that refrigerant can smoothly flow out, in confirmation refrigerant energy
Cryogen vessel 1 is smoothly flowed out, and has been discharged in main pipeline 3 after air, flange is tightened, connects main pipeline 3 closely with distribution station 2
It is logical.
In the present embodiment, further includes being detected to the leakage situation of refrigerant in step S1, made when in cryogen vessel 1
When cryogen is freon, when the pressure of the cooling refrigeration system 5 of thermal siphon oil reaches 0.2~0.3Mpa, closes second and go out agent valve
22, it is hunted leak by each junction that suds are applied to filling equipment；When refrigerant is ammonia in cryogen vessel 1,
It when the pressure of the cooling refrigeration system 5 of thermal siphon oil reaches 0.1~0.2Mpa, closes second and goes out agent valve 22, by by phenolphthalein or stone
Stamen test paper is hunted leak close to each junction of filling equipment.In the step, after refrigerant starts filling, refrigerant should be paid close attention to and let out
Reveal situation, when the pressure of the cooling refrigeration system 5 of the thermal siphon oil of filling ammonia reaches 0.1 ~ 0.2Mpa or fills freon
When the pressure of the cooling refrigeration system 5 of thermal siphon oil reaches 0.2 ~ 0.3Mpa, closes second and go out agent valve 22, stop filling, to filling
Equipment is hunted leak, and leak detection mode is three kinds common: suds leak detection, the leak detection of hand-held leak detector, phenolphthalein or litmus paper leak detection.
Suds leak detection is suitable for freon refrigerant, and suds are applied to each weld of filling equipment and junction, observation when leak detection
There is leakage to there is bubble to emerge.Phenolphthalein or litmus paper leak detection are suitable for ammonia refrigerant, with the phenolphthalein for dipping in clear water when leak detection
Or litmus paper, it is slowly moved close to the junction of filling equipment and weld, test paper and tested leak should be no more than 5cm, such as
Fruit phenolphthalein test paper takes on a red color or litmus paper is blue, illustrates there is leakage at leak detection.Hand-held leak detector is hunted leak for ammonia refrigeration
Agent and freon refrigerant are applicable in, and are operated by leak detection by instrument specification.Observation is answered careful when leak detection, and is made at leakage
Label carries out leak repairing after all having checked again, it is necessary to after having handled all leak sources, could continue to fill refrigerant.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of refrigerant charging method of the cooling refrigeration system of thermal siphon oil, it is characterised in that: use and mainly held by refrigerant
The filling equipment that device (1), distribution station (2), main pipeline (3) and three distribution ducts (4) form is to the cooling refrigeration system of thermal siphon oil
Unite (5) fill refrigerant, the main pipeline (3) is equipped with into agent valve (31), and first is provided in distribution station (2) and goes out agent valve
(21), second goes out agent valve (22), third and goes out agent valve (23) and pressure gauge (24), and first goes out agent valve (21), second goes out agent valve (22)
And third goes out agent valve (23) and is sequentially connected to evaporator (507) and low pressure recycle liquid storage device by a distribution duct (4) respectively
(505) pipeline (510), condenser (501) between and pipeline (510) and high pressure liquid storage between thermal siphon liquid storage device (502)
One end of pipeline (510) between device (503) and throttle valve (504), the main pipeline (3) is connected to the cryogen vessel
(1), the connection of the other end and the distribution station (2).
2. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 1, it is characterised in that: described
Filling method the following steps are included:
S1: being first in close state each valve and opens cryogen vessel (1), then slowly opens throttle valve (504), into agent valve
(31) and distribution station (2) second go out agent valve (22), to thermal siphon liquid storage device (502) fill refrigerated medium；
S2: it when the refrigerated medium of thermal siphon liquid storage device (502), which fills, to be completed, closes second and goes out agent valve (22), open third and go out agent
Valve (23) fills refrigerated medium to high-pressure reservoir (503)；
S3: it when the interior pressure of high-pressure reservoir (503) and when approaching or is fair of cryogen vessel (1), closes third and goes out agent valve
(23), it and closes or turns down throttle valve (504), open compressor (508), reduce the internal pressure of low pressure recycle liquid storage device (505)
Power；
S4: opening first and go out agent valve (21), fills refrigerant to low pressure recycle liquid storage device (505), when high-pressure reservoir (503) and
When refrigerant liquid level reaches design height in low pressure recycle liquid storage device (505), close cryogen vessel (1)；
S5: standard-sized sheet first goes out agent valve (21), keeps compressor (508) to open, by distribution station (2), main pipeline (3) and distribution duct
(4) refrigerant in is pumped into low pressure recycle liquid storage device (505)；
S6: when pressure gauge (24) is close to 0, and when distribution station (2) surface stops frosting, close on main pipeline (3) into agent valve
(31) and compressor (508)；
S7: removal main pipeline (3).
3. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 2, it is characterised in that: described
The design height of refrigerant is the 70% of total height, the low pressure recycle liquid storage device in high-pressure reservoir described in step S4 (503)
(505) design height of refrigerant is the 25% or 40% or 60% or 65% of total height in.
4. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 2, it is characterised in that: described
Main pipeline (3) is connected to the distribution station (2) by connecting flange, when the main pipeline (3) is connect with the distribution station (2)
When, the outflow state of refrigerant in the cryogen vessel (1) is detected, it is described detection the following steps are included:
Y1: make between flange and the main pipeline (3) that there are gaps；
Y2: it is crack into agent valve (31), when the white fog of evolution in gap, it was demonstrated that refrigerant smoothly flows out in cryogen vessel (1)；
Y3: tightening flange, makes main pipeline (3) and distribution station (2) close communication.
5. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to any one of claim 2 to 4, special
Sign is: the refrigerant in the cryogen vessel (1) is ammonia or freon.
6. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 5, it is characterised in that: described
It further include being detected to the leakage situation of refrigerant in step S1, when refrigerant is freon in cryogen vessel (1),
It when the pressure of thermal siphon oil cooling refrigeration system (5) reaches 0.2 ~ 0.3Mpa, closes second and goes out agent valve (22), by by suds
It hunts leak each junction for being applied to filling equipment；When refrigerant is ammonia in cryogen vessel (1), in the cooling system of thermal siphon oil
When the pressure of cooling system (5) reaches 0.1 ~ 0.2Mpa, close second and go out agent valve (22), by by phenolphthalein or litmus paper close to filling
It hunts leak each junction of note equipment.
7. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to any one of claim 2 to 4, special
Sign is: the pressure of inspiration(Pi) of compressor (508) is not less than 0.15Mpa in the step S3.
8. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 7, it is characterised in that: described
Refrigerated medium pump (506) are also opened in step S3.
9. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to any one of claim 2 to 4, special
Sign is: the main pipeline (3) is rubber hose, and each distribution duct (4) is seamless steel pipe.
10. the refrigerant charging method of the cooling refrigeration system of thermal siphon oil according to claim 1, it is characterised in that: institute
It states and is also connected with service valve (25) on distribution station (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094820.6A CN109140849B (en) | 2018-09-19 | 2018-09-19 | Refrigerant filling method of thermosiphon oil cooling refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811094820.6A CN109140849B (en) | 2018-09-19 | 2018-09-19 | Refrigerant filling method of thermosiphon oil cooling refrigeration system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109140849A true CN109140849A (en) | 2019-01-04 |
| CN109140849B CN109140849B (en) | 2020-07-10 |
Family
ID=64815202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811094820.6A Active CN109140849B (en) | 2018-09-19 | 2018-09-19 | Refrigerant filling method of thermosiphon oil cooling refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109140849B (en) |
Cited By (1)
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4986082A (en) * | 1988-12-22 | 1991-01-22 | Sanden Corporation | Refrigerant charging system in which a refrigerant is freshened and smoothly charged into a storage container |
| CN2589299Y (en) * | 2002-12-16 | 2003-12-03 | 金景善 | Coolant recovering and charging machine |
| JP2004245466A (en) * | 2003-02-12 | 2004-09-02 | Sanyo Electric Co Ltd | Heat pump hot water supply device, refrigerant communication pipe connecting method at site and refrigerant oil filling method in the same |
| CN101307971A (en) * | 2008-04-10 | 2008-11-19 | 上海理工大学 | Determination method for frequency converting air-conditioner liquid reservoir capacity and refrigerant charging amount |
| CN201753994U (en) * | 2010-08-02 | 2011-03-02 | 李洲 | Integrated heat exchange system |
| CN105004116A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Outdoor unit of air conditioner and refrigerant filling control method of air conditioner |
-
2018
- 2018-09-19 CN CN201811094820.6A patent/CN109140849B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4986082A (en) * | 1988-12-22 | 1991-01-22 | Sanden Corporation | Refrigerant charging system in which a refrigerant is freshened and smoothly charged into a storage container |
| CN2589299Y (en) * | 2002-12-16 | 2003-12-03 | 金景善 | Coolant recovering and charging machine |
| JP2004245466A (en) * | 2003-02-12 | 2004-09-02 | Sanyo Electric Co Ltd | Heat pump hot water supply device, refrigerant communication pipe connecting method at site and refrigerant oil filling method in the same |
| CN101307971A (en) * | 2008-04-10 | 2008-11-19 | 上海理工大学 | Determination method for frequency converting air-conditioner liquid reservoir capacity and refrigerant charging amount |
| CN201753994U (en) * | 2010-08-02 | 2011-03-02 | 李洲 | Integrated heat exchange system |
| CN105004116A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Outdoor unit of air conditioner and refrigerant filling control method of air conditioner |
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109140849B (en) | 2020-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104197186B (en) | LNG gas station BOG recycling system and its implementation | |
| CN209386636U (en) | A kind of amblent air temperature case refrigeration supply circulatory system | |
| CN109140849A (en) | The refrigerant charging method of the cooling refrigeration system of thermal siphon oil | |
| CN207064188U (en) | A kind of waste heat recovery system of air compressor | |
| CN206947122U (en) | Oil immersed type station local coordinate frame repairing dolly | |
| CN207144064U (en) | A kind of water system stable-pressure device for having maintenance function concurrently | |
| CN105704986B (en) | It is a kind of for return water double loop cooling recirculation system | |
| CN203550267U (en) | Ammonia machine refrigeration ternary circulating device | |
| CN101603754A (en) | A kind of simple liquid helium external flow path system carrying method that is used for cryogenic system | |
| CN109140850A (en) | The refrigerant charging method of the cooling refrigeration system of water cooling oil | |
| CN103557623B (en) | Ammonia machine refrigeration ternary-circulation device | |
| CN207261275U (en) | A kind of redundant pipeline of the uninterrupted water system of processing procedure cooling water | |
| CN208817778U (en) | Refrigerant charging device for thermal siphon oil cooling technique refrigeration system | |
| CN206861245U (en) | A kind of polylinker fill of liquid oxygen system for possessing recovery function | |
| CN206488407U (en) | A kind of water source heat pump units device | |
| CN208296356U (en) | The cooling indirect refrigeration system of refrigerating medium can be used in one kind | |
| CN207584086U (en) | H-type return water system intelligent temperature control valve | |
| CN108072235A (en) | Space division system | |
| CN207990747U (en) | Big temperature difference heat-exchanger rig | |
| CN207813864U (en) | Hydraulic natural gas compressor cooling system | |
| CN205606997U (en) | Refrigerating station and network system | |
| CN217330288U (en) | Parallel refrigerant water supply device | |
| CN220750551U (en) | System for accelerating reverse filling of liquid oxygen into oxygenerator | |
| CN204963421U (en) | Carry air separation device of sealing gas body | |
| CN208296403U (en) | A kind of energy conservation rapid frost melting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |