CN109855318A - A kind of magnetic suspension centrifugal chiller system - Google Patents
A kind of magnetic suspension centrifugal chiller system Download PDFInfo
- Publication number
- CN109855318A CN109855318A CN201910120583.4A CN201910120583A CN109855318A CN 109855318 A CN109855318 A CN 109855318A CN 201910120583 A CN201910120583 A CN 201910120583A CN 109855318 A CN109855318 A CN 109855318A
- Authority
- CN
- China
- Prior art keywords
- bypass circulation
- evaporator
- mounting hole
- output end
- liquid
- 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.)
- Pending
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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The embodiment of the invention discloses a kind of magnetic suspension centrifugal chiller systems, belong to technical field of refrigeration equipment.Machine set system includes compressor and evaporator, is equipped with bypass circulation in machine set system, and wherein the input terminal of bypass circulation is connected to the output end of compressor, and the output end of bypass circulation is connected to by the bottom of cylinder with the inside of evaporator.The embodiment of the present invention is by the way that the input terminal of bypass circulation to be connected to the output end of compressor, output end is connected to by the bottom of cylinder with the inside of evaporator, the high speed cold media gas in bypass circulation may make to enter the inside of evaporator from the bottom of cylinder, it overcomes on the refrigerant liquid level directly blown due to bypass circulation high speed cold media gas inside evaporator, refrigerant is caused acutely concussion occur, the problem of to the case where compressor air suction band liquid occur, damage bearing of compressor.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to a kind of magnetic suspension centrifugal chiller system.
Background technique
Magnetic suspension centrifugal chiller system is run under high load capacity, high pressure ratio, in the prior art using the exhaust in compressor
Bypass circulation is arranged in the input terminal of check valve and the upper end of cylinder, and the bypass amount of exhaust is controlled by electric expansion valve, it will
Cause compressor the case where absorbing gas belt liquid occur, damages bearing of compressor.
Summary of the invention
The embodiment of the invention provides a kind of magnetic suspension centrifugal chiller systems, are inhaled with solving compressor in the prior art
The problem of the case where gas carrying liquid, damage bearing of compressor.In order to which some aspects of the embodiment to disclosure have a basic reason
Solution, is shown below simple summary.The summarized section is not extensive overview, nor to determine key/critical component
Or describe the protection scope of these embodiments.Its sole purpose is that some concepts are presented with simple form, in this, as below
Detailed description preamble.
According to embodiments of the present invention, a kind of magnetic suspension centrifugal chiller system, including compressor and evaporator, unit are provided
Bypass circulation is equipped in system, wherein the input terminal of bypass circulation is connected to the output end of compressor, the output end of bypass circulation
It is connected to by the bottom of cylinder with the inside of evaporator.
In some optional embodiments, bypass circulation includes the first bypass circulation and the second bypass circulation；Compressor it is defeated
Outlet is equipped with exhaust check valve；
The input terminal of first bypass circulation is connected to the input terminal of exhaust check valve；
The input terminal of second bypass circulation is connected to the output end of exhaust check valve；
The bottom of cylinder is equipped with mounting hole, and the output end of the output end of the first bypass circulation and the second bypass circulation passes through peace
Dress hole is connected to the inside of evaporator.
In some optional embodiments, the quantity of mounting hole is one or two；
Wherein, when the quantity of mounting hole is one, the first bypass circulation and the second bypass circulation are merged into as one and return
Road, and be connected to by mounting hole with evaporator；
When the quantity of mounting hole is two, the first bypass circulation and the second bypass circulation pass through respectively two mounting holes with
Evaporator connection.
It in some optional embodiments, further include condenser, the input terminal of condenser and the output end of exhaust check valve connect
Logical, the output end of condenser is connected to the inside of evaporator.
In some optional embodiments, the refrigerant inlet of the center of the length direction of the output end and cylinder of condenser
Connection.
In some optional embodiments, the inside of evaporator is equipped with liquid-distributing plate, and liquid-distributing plate is at a distance from the bottom of cylinder
0.1-0.3 times of barrel diameter.
In some optional embodiments, the length L1 of liquid-distributing plate and the length L of cylinder meet 0.7L≤L1≤0.95L.
In some optional embodiments, liquid-distributing plate is equipped with equal liquid hole, and partial region of the equal liquid hole on liquid-distributing plate is arranged,
Liquid-distributing plate above mounting hole is not provided with equal liquid hole within the scope of pre-determined distance.
In some optional embodiments, pre-determined distance is 1.8-2.2 times for installing bore dia, the center of pre-determined distance and peace
The center in dress hole is located on same vertical line.
In some optional embodiments, pre-determined distance is to install 2 times of bore dia, the center of pre-determined distance and mounting hole
Center is located on same vertical line.
Technical solution provided in an embodiment of the present invention can include the following benefits:
The embodiment of the invention provides by the way that the input terminal of bypass circulation to be connected to the output end of compressor, output end is logical
The bottom for crossing cylinder is connected to the inside of evaporator, and the high speed cold media gas in bypass circulation may make to enter from the bottom of cylinder
The inside of evaporator is overcome on the refrigerant liquid level directly blown inside evaporator due to bypass circulation high speed cold media gas,
Refrigerant is caused acutely concussion occur, the problem of occurring the case where absorbing gas belt liquid so as to cause compressor, damage bearing of compressor.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of magnetic suspension centrifugal chiller system shown according to an exemplary embodiment；
Fig. 2 is a kind of structural schematic diagram of liquid-distributing plate shown in exemplary embodiment according to figure 1；
Fig. 3 is a kind of structural schematic diagram of the magnetic suspension centrifugal chiller system shown according to another exemplary embodiment；
Fig. 4 is a kind of structural schematic diagram of liquid-distributing plate shown in exemplary embodiment according to Fig.3,；
Description of symbols:
1, compressor；2, exhaust check valve；3, condenser；4, the first control valve；5, evaporator；51, mounting hole；52, cold
Matchmaker's entrance；6, the second control valve；7, third control valve；8, blower；9, liquid-distributing plate；91, equal liquid hole；10, fluid reservoir；11, economical
Device；12, the 4th control valve.
Specific embodiment
The following description and drawings fully show the specific embodiment of this paper, to enable those skilled in the art to reality
Trample them.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This
The range of the embodiment of text includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, term " first ", " second " etc. are used only for distinguishing an element and another element, without requiring
Either imply that there are any actual relationship or sequences between these elements.Actually the first element can also be referred to as second
Element, vice versa.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the structure, device or the equipment that include a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this structure, device or the intrinsic element of equipment.Do not limiting more
In the case where, the element that is limited by sentence "including a ...", it is not excluded that in structure, device or equipment including element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.
Term " longitudinal direction " herein, " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", " water
It is flat ", "top", "bottom" "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, only
It is to be described herein with simplified for ease of description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In description herein, unless separately
There are regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being mechanically connected or being electrically connected
Connect, the connection being also possible to inside two elements can be directly connected, can also indirectly connected through an intermediary, for
For those skilled in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Herein, unless otherwise indicated, term " multiple " indicates two or more.
Herein, character "/" indicates that front and back object is a kind of relationship of "or".For example, A/B is indicated: A or B.
The embodiment of the invention discloses a kind of magnetic suspension centrifugal chiller system, Fig. 1 is shown according to an exemplary embodiment
A kind of magnetic suspension centrifugal chiller system structural schematic diagram, as shown in Figure 1, machine set system includes compressor 1 and evaporator 5,
Bypass circulation is equipped in machine set system, wherein the input terminal of bypass circulation is connected to the output end of compressor 1, and evaporator 5 includes
The output end of cylinder, bypass circulation is connected to by the bottom of cylinder with the inside of evaporator 5.
The embodiment of the present invention by the way that the input terminal of bypass circulation is connected to the output end of compressor 1, bypass circulation it is defeated
Outlet is connected to by the bottom of cylinder with the inside of evaporator 5, may make high speed cold media gas in bypass circulation from cylinder
Bottom enters the inside of evaporator 5, overcome due to bypass circulation high speed cold media gas directly blow it is cold inside evaporator 5
On matchmaker's liquid level, refrigerant is caused acutely concussion occur, the case where absorbing gas belt liquid occurs so as to cause compressor 1, damage compressor shaft
The problem of holding.
In some optional embodiments, evaporator 5 is flooded evaporator, and heat transfer coefficient is higher, convenient operation and management.
In some optional embodiments, bypass circulation includes the first bypass circulation and the second bypass circulation；Compressor 1 it is defeated
Outlet is equipped with exhaust check valve 2；
The input terminal of first bypass circulation is connected to the input terminal of exhaust check valve 2；The input terminal of second bypass circulation and
The output end of exhaust check valve 2 is connected to.
In Fig. 1, the input terminal of the first bypass circulation is connected to the input terminal of exhaust check valve 2, the second bypass circulation it is defeated
Enter end to be connected to the output end of exhaust check valve 2, wherein the first bypass circulation is equipped with the second control valve 6, the second bypass circulation
It is equipped with third control valve 7.
In the embodiment of the present invention, the first bypass circulation, in machine set system booting, the second control valve 6 is opened, compressor 1
Exhaust can directly be bypassed in evaporator 5, the revolving speed of machine 1 to be compressed is sufficiently high, and refrigerant cold medium flux is enough the row of washing open
When gas check valve 2, compressor 1, which is realized, smoothly washes exhaust check valve 2 open, avoids because booting initial stage compressor 1 is due to that can not rush
Exhaust check valve 2 is opened, and the bearing of compressor 1 is caused to break down.
In addition, the first bypass circulation, when machine set system is shut down under high load capacity, high pressure ratio, the first bypass circulation, second
Control valve 6 is opened, and the refrigerant cold media gas of high temperature and pressure, the bottom of evaporator 5 is bypassed to by the second control valve 6 at this time,
Effective solution high speed cold media gas directly blows the caused 1 air-breathing solution dehumidification while migration of compressor on refrigerant liquid level, reduces simultaneously
Machine set system shuts down pressure ratio, shuts down machine set system under lesser safety pressure ratio.
In the embodiment of the present invention, the second bypass circulation when machine set system is run under high load capacity, high pressure ratio, or is worked as
When the compression ratio of machine set system is more than limits value, third control valve 7 is opened, the connection of second bypass circulation, at this time high temperature and pressure
Refrigerant cold media gas is bypassed to the bottom of evaporator 5 by third control valve 7, and it is straight to efficiently solve high speed cold media gas
The air-breathing solution dehumidification while migration for blowing the caused compressor 1 on refrigerant liquid level is connect, meanwhile, the operation compression ratio of machine set system is reduced,
It controls the compression ratio of machine set system within the allowable range, guarantees that machine set system can operate normally.
In addition, the second bypass circulation carries out operating condition unloading when can be in underrun to machine set system, such as: negative in client
Lotus is smaller (such as refrigeration requirement of only 80kW), and unit has been unloaded to minimum ability (120kW), but also needs to continue to unload
When load, third control valve 7 is opened, and the connection of the second bypass circulation, machine set system can continue to unload, until the ability of machine set system
Consistent with customer demand, if do not unloaded, the ability of machine set system is higher than customer demand, will lead to machine set system frequent start-stop
Machine will increase the out of order risk of compressor 1, shorten the service life of compressor 1.
The embodiment of the present invention may make machine set system under different working conditions, root by two bypass circulations of design
According to needing to be adjusted machine set system, the adaptation range of machine set system has been turned up.
In some optional embodiments, the bottom of the cylinder of evaporator 5 is equipped with mounting hole 51, the output of the first bypass circulation
The output end of end and the second bypass circulation is connected to by mounting hole 51 with the inside of evaporator 5.
In some optional embodiments, the quantity of mounting hole 51 is one or two.
Wherein, the quantity of the mounting hole 51 in Fig. 1 is two, and the first bypass circulation and the second bypass circulation pass through two respectively
A mounting hole 51 is connected to evaporator 5, and the installation hole number in Fig. 3 is 1, the first bypass circulation and the second bypass circulation difference
It is connected to by 1 mounting hole 51 with evaporator 5, wherein when the quantity of mounting hole 51 is one, the first bypass circulation and second
Bypass circulation is merged into as a circuit, and tee pipe fitting such as can be used by the first bypass circulation and the second bypass circulation and merge into one
A circuit, and be connected to by mounting hole 51 with evaporator 5.
It in some optional embodiments, further include condenser 3, one end of condenser 3 and the output end of exhaust check valve 2 connect
Logical, the other end is connected to the inside of evaporator 5, and wherein condenser 3 is multi-group heat exchanger.
In some optional embodiments, machine set system further includes blower 8, blower 8 be installed on condenser 3 side or in
Between, for radiating.
In some optional embodiments, 3 place pipeline of condenser is equipped with the first control valve 4, and the first control valve 4 is electronics
Expansion valve.
It, can be by 4 control piper of the first control valve by the way that the first control valve 4 is arranged on 3 place pipeline of condenser
Refrigerant cold medium flux.
In some optional embodiments, the middle position of the length direction of the cylinder of evaporator 5 is equipped with refrigerant inlet 52, cold
3 place pipeline of condenser is connected to by refrigerant inlet 52 with the inside of evaporator 5, and the arrow direction in Fig. 1 is refrigerant refrigerant
Flow direction schematic diagram.
In some optional embodiments, the inside of evaporator 5 is equipped with liquid-distributing plate 9, liquid-distributing plate 9 and the cylinder of evaporator 5
The distance of bottom is 0.1-0.3 times of the barrel diameter of evaporator 5.
By the way that liquid-distributing plate 9 is arranged, it may make and stablized by the fluid flowing of evaporator 5, reduce liquid refrigerant refrigerant
Vibration, by the way that liquid-distributing plate 9 to be set as to 0.1-0.3 times of barrel diameter at a distance from the bottom of the cylinder of evaporator 5, may make
The equal liquid effect of liquid-distributing plate 9 is more preferable.
In some optional embodiments, the position of refrigerant inlet 52 and the middle position phase on the length direction of liquid-distributing plate 9
It is corresponding, refrigerant refrigerant is balancedly passed through from liquid-distributing plate 9.
Wherein, when the quantity of mounting hole 51 is one, the first bypass circulation and the second bypass circulation pass through tee pipe fitting
A pipeline is merged into, is connect by mounting hole 51 with cylinder, may make and a mounting hole 51 is only set on cylinder, steaming can be simplified
The processing technology of device 5 is sent out, and makes installation simple.
In some optional embodiments, the length L1 of liquid-distributing plate and the length L of cylinder meet 0.7L≤L1≤0.95L.
In some optional embodiments, when the quantity of mounting hole 51 is one, as shown in figure 3, mounting hole 51 and refrigerant
The distance of entrance 52 is L2, wherein 0.2L1≤L2≤0.4L1, wherein the piping connection where condenser 3 is in the length of evaporator 5
Direction middle position is spent, bypass circulation is located at the left side L2 of the refrigerant inlet 52 at the pipeline and evaporator 5 at 3 place of condenser
Place, i.e. bypass circulation divide at the center-left L2 of 5 length direction of evaporator with the air intake duct of the compressor 1 at 5 top of evaporator
Not Wei Yu refrigerant inlet 52 left and right side, avoid pipeline from interacting during the connection process, the arrow direction in Fig. 3 be system
The flow direction schematic diagram of cryogen refrigerant.
By the way that mounting hole 51 and 52 distance L2 of refrigerant inlet are set as 0.2L1≤L2≤0.4L1, refrigerant may make to enter
The top of mouth 52 is provided with liquid-distributing plate 9.
In some optional embodiments, liquid-distributing plate 9 is equipped with equal liquid hole 91, part area of the equal liquid hole 91 on liquid-distributing plate 9
Domain arrangement, the liquid-distributing plate 9 above mounting hole 51 are not provided with equal liquid hole 91 within the scope of pre-determined distance.
In some optional embodiments, Fig. 2 is a kind of knot of liquid-distributing plate shown in exemplary embodiment according to figure 1
Structure schematic diagram, the quantity of mounting hole 51 are two, the not set equal liquid hole 91 of the area just above of mounting hole 51, wherein not set equal
The length L3 and L4 of fluid apertures 91 are 1.8-2.2 times of the diameter length of mounting hole 51, and concretely 2 times, and the pre-determined distance,
I.e. the center of L3 length is located on same vertical line with the center of corresponding mounting hole 51, center and the phase of L4 length
The center for the mounting hole 51 answered is located on same vertical line, prevents the refrigerant refrigerant of high speed from directly blowing by equal liquid hole 91 in cylinder
On intracorporal refrigerant refrigerant, lead to the intracorporal refrigerant refrigerant big ups and downs of cylinder, so that the feelings of absorbing gas belt liquid occurs in compressor 1
Condition.
In some optional embodiments, Fig. 4 is a kind of knot of liquid-distributing plate shown in exemplary embodiment according to Fig.3,
Structure schematic diagram, as shown in figure 4, the not set equal liquid hole 91 of the area just above of mounting hole 51, wherein the length of not set equal liquid hole 91
1.8-2.2 times for spending the diameter length that L5 is mounting hole 51, concretely 2 times, the pre-determined distance, the i.e. center of L5 length
It is located on same vertical line with the center of equal liquid hole 91, avoids the too long influence refrigerant refrigerant of the length of not set equal liquid hole 91
Pass through, it can also be too short and refrigerant refrigerant is caused directly to blow in cylinder by equal liquid hole 91 to avoid the length of not set equal liquid hole 91
On intracorporal refrigerant refrigerant, prevent the refrigerant refrigerant of high speed from directly blowing by equal liquid hole 91 in the intracorporal refrigerant refrigerant of cylinder
On, lead to the intracorporal refrigerant refrigerant big ups and downs of cylinder, so that the case where absorbing gas belt liquid occurs in compressor 1.
In some optional embodiments, the liquid-distributing plate 9 above refrigerant inlet 52 is not set in predetermined distance range
Equal liquid hole 91 is set, wherein the preset distance is 1.8-2.2 times of diameter length of refrigerant inlet 52, concretely 2 times, and this is pre-
The center of set a distance, the i.e. center of length and the center of refrigerant inlet 52 are located on same vertical line, prevent high speed
Refrigerant refrigerant directly blown on the intracorporal refrigerant refrigerant of cylinder by equal liquid hole 91, lead to the intracorporal refrigerant refrigerant play of cylinder
Strong fluctuation, so that the case where absorbing gas belt liquid occurs in compressor 1.
In some optional embodiments, as shown in Figure 1, machine set system further includes fluid reservoir 10 and economizer 11, fluid reservoir
10 for store condenser 3 condensation refrigerant refrigerants, guarantee 1 Liquid injection cooling of compressor it is normal, maintain compressor 1 cavity and
Components temperature in the normal range, by the refrigerant refrigerant of fluid reservoir 10, is divided into three tunnels, wherein refrigerant is by warp all the way
Help device major loop, and after the first control valve 4, into the inside of evaporator 5, another way refrigerant enters pressure by economizer subsidiary loop
In the gas supplementing opening of contracting machine 1, wherein economizer subsidiary loop is equipped with the 4th control valve 12, by control economizer subsidiary loop
The degree of superheat of outlet adjusts the aperture of the 4th control valve 12, so that economizer 11 is played a role, guarantees the warp of machine set system operation
Ji property and stability, there are also refrigerants all the way to be directly connected to the Liquid injection cooling mouth of compressor 1.
By the way that economizer 11 is arranged, the degree of supercooling of refrigerant refrigerant can be increased, improve the performance of machine set system.
In some optional embodiments, the first control valve 4 is that electric expansion valve, the second control valve 6 and third control valve 7 can
For solenoid valve, electric expansion valve, perhaps the 4th control valve 12 such as motor-driven valve is electric expansion valve or heating power expansion valve, passes through this
A little control valves are adjusted the piping flow of machine set system.
The invention is not limited to the structures for being described above and being shown in the accompanying drawings, and can not depart from its model
It encloses and carry out various modifications and change.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of magnetic suspension centrifugal chiller system, including compressor and evaporator, which is characterized in that be equipped in the machine set system
Bypass circulation, wherein the input terminal of the bypass circulation is connected to the output end of the compressor, the evaporator includes cylinder,
The output end of the bypass circulation is connected to by the bottom of the cylinder with the inside of the evaporator.
2. magnetic suspension centrifugal chiller system according to claim 1, which is characterized in that the bypass circulation includes by the of first
Logical circuit and the second bypass circulation；The output end of the compressor is equipped with exhaust check valve；
The input terminal of first bypass circulation is connected to the input terminal of the exhaust check valve；
The input terminal of second bypass circulation is connected to the output end of the exhaust check valve；
The bottom of the cylinder is equipped with mounting hole, the output of the output end of first bypass circulation and second bypass circulation
End is connected to by the mounting hole with the inside of the evaporator.
3. magnetic suspension centrifugal chiller system according to claim 2, which is characterized in that the quantity of the mounting hole is one
Or two；
Wherein, when the quantity of the mounting hole is one, first bypass circulation and second bypass circulation are merged into
For a circuit, and it is connected to by the mounting hole with the evaporator；
When the quantity of the mounting hole is two, first bypass circulation and second bypass circulation pass through two respectively
The mounting hole is connected to the evaporator.
4. magnetic suspension centrifugal chiller system according to claim 2, which is characterized in that it further include condenser, the condensation
The input terminal of device is connected to the output end of the exhaust check valve, and the inside of the output end of the condenser and the evaporator connects
It is logical.
5. magnetic suspension centrifugal chiller system according to claim 4, which is characterized in that the output end of the condenser and institute
State the refrigerant inlet connection of the center of the length direction of cylinder.
6. according to magnetic suspension centrifugal chiller system described in claim 2 or 3, which is characterized in that the inside of the evaporator
Equipped with liquid-distributing plate, the liquid-distributing plate is 0.1-0.3 times of the barrel diameter at a distance from the bottom of the cylinder.
7. magnetic suspension centrifugal chiller system according to claim 6, which is characterized in that the length L1 of the liquid-distributing plate and institute
The length L for stating cylinder meets 0.7L≤L1≤0.95L.
8. magnetic suspension centrifugal chiller system according to claim 6, which is characterized in that the liquid-distributing plate is equipped with equal liquid
Hole, partial region arrangement of the equal liquid hole on the liquid-distributing plate, the liquid-distributing plate above the mounting hole is pre-
If being not provided with the equal liquid hole in distance range.
9. magnetic suspension centrifugal chiller system according to claim 8, which is characterized in that the pre-determined distance is the installation
The center of 1.8-2.2 times of bore dia, the center of the pre-determined distance and the mounting hole is located on same vertical line.
10. magnetic suspension centrifugal chiller system according to claim 8, which is characterized in that the pre-determined distance is the peace
2 times of bore dia are filled, the center of the pre-determined distance and the center of the mounting hole are located on same vertical line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910120583.4A CN109855318A (en) | 2019-02-18 | 2019-02-18 | A kind of magnetic suspension centrifugal chiller system |
| PCT/CN2019/079628 WO2020168610A1 (en) | 2019-02-18 | 2019-03-26 | Magnetic levitation centrifuge unit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910120583.4A CN109855318A (en) | 2019-02-18 | 2019-02-18 | A kind of magnetic suspension centrifugal chiller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109855318A true CN109855318A (en) | 2019-06-07 |
Family
ID=66898150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910120583.4A Pending CN109855318A (en) | 2019-02-18 | 2019-02-18 | A kind of magnetic suspension centrifugal chiller system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109855318A (en) |
| WO (1) | WO2020168610A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857761A (en) * | 2022-06-02 | 2022-08-05 | 青岛海信日立空调***有限公司 | Air conditioning system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137691A (en) * | 2021-03-04 | 2021-07-20 | 青岛海尔空调电子有限公司 | Control method of magnetic suspension air conditioning unit |
| CN113465234A (en) * | 2021-06-08 | 2021-10-01 | 青岛海尔空调电子有限公司 | Heat exchanger and refrigerating system |
| CN114618692A (en) * | 2022-03-11 | 2022-06-14 | 海门海立电子科技有限公司 | Magnetic suspension centrifuge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1059294A (en) * | 1963-07-22 | 1967-02-15 | Carrier Corp | Refrigeration apparatus |
| CN203550349U (en) * | 2013-09-18 | 2014-04-16 | 麦克维尔空调制冷(武汉)有限公司 | Chiller capable of being started under high pressure differential |
| CN204494791U (en) * | 2015-02-26 | 2015-07-22 | 毛友根 | A kind of Frostless air-source heat pump hot water machine |
| CN204665747U (en) * | 2015-03-17 | 2015-09-23 | 睿能太宇（沈阳）能源技术有限公司 | The source pump refrigerating plant of a kind of vaporization prevention device bursting by freezing |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid equalizing plate of flooded evaporator and flooded evaporator |
| CN108709340A (en) * | 2018-08-07 | 2018-10-26 | 南京冷德节能科技有限公司 | A kind of flooded evaporator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563939B (en) * | 2012-02-17 | 2014-04-30 | 青岛海尔空调电子有限公司 | Air-cooling water chiller |
| CN103673421B (en) * | 2013-12-08 | 2016-04-20 | 合肥天鹅制冷科技有限公司 | There is refrigeration system and the backup method of difunctional backup |
| CN105135728A (en) * | 2015-10-10 | 2015-12-09 | 天津商业大学 | Low-temperature air-cooled heat pump system |
| CN106766302B (en) * | 2017-02-20 | 2023-09-08 | 英得艾斯（上海）冷冻空调有限公司 | Water chilling unit and control method thereof |
| CN108489128B (en) * | 2018-05-18 | 2024-01-26 | 德州亚太集团有限公司 | Two-stage compression centrifugal water-cooling cold (hot) water unit |
-
2019
- 2019-02-18 CN CN201910120583.4A patent/CN109855318A/en active Pending
- 2019-03-26 WO PCT/CN2019/079628 patent/WO2020168610A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1059294A (en) * | 1963-07-22 | 1967-02-15 | Carrier Corp | Refrigeration apparatus |
| CN203550349U (en) * | 2013-09-18 | 2014-04-16 | 麦克维尔空调制冷(武汉)有限公司 | Chiller capable of being started under high pressure differential |
| CN204494791U (en) * | 2015-02-26 | 2015-07-22 | 毛友根 | A kind of Frostless air-source heat pump hot water machine |
| CN204665747U (en) * | 2015-03-17 | 2015-09-23 | 睿能太宇（沈阳）能源技术有限公司 | The source pump refrigerating plant of a kind of vaporization prevention device bursting by freezing |
| CN105387652A (en) * | 2015-11-26 | 2016-03-09 | 珠海格力电器股份有限公司 | Liquid equalizing plate of flooded evaporator and flooded evaporator |
| CN108709340A (en) * | 2018-08-07 | 2018-10-26 | 南京冷德节能科技有限公司 | A kind of flooded evaporator |
Non-Patent Citations (2)
| Title |
|---|
| 朱瑞琪: "《制冷装置自动化》", 28 February 2009 * |
| 殷浩等: "《制冷压缩机》", 30 September 2012 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857761A (en) * | 2022-06-02 | 2022-08-05 | 青岛海信日立空调***有限公司 | Air conditioning system |
| CN114857761B (en) * | 2022-06-02 | 2023-11-28 | 青岛海信日立空调***有限公司 | Air Conditioning System |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020168610A1 (en) | 2020-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109855318A (en) | A kind of magnetic suspension centrifugal chiller system | |
| TWI407066B (en) | Economized refrigeration system | |
| CN104566823A (en) | Refrigerant control method of parallel multi-split air-conditioner | |
| EP1692439A1 (en) | Refrigerant system with controlled refrigerant charge amount | |
| KR100564444B1 (en) | Apparatus and method for liquid refrigerant temperature preventing accumulation of air conditioner | |
| CN100443824C (en) | Oil return control in refrigerant system | |
| WO2020195528A1 (en) | Compressor system, and control method for same | |
| CN107218742A (en) | Heat pump system and heat pump control method | |
| US4643002A (en) | Continuous metered flow multizone air conditioning system | |
| US4620423A (en) | Expansion devices for a multizone heat pump system | |
| CN106705508A (en) | Flash tank and refrigerating system | |
| CN104697233A (en) | Refrigeration system and method for preventing the operation of a compressor of a refrigeration system during wet compression | |
| KR100258235B1 (en) | Surging-proof device of turbo refrigerator | |
| CN111895673B (en) | Magnetic suspension centrifugal unit, start-up control method and device thereof, medium and air conditioner | |
| JP3848098B2 (en) | Air conditioner | |
| CN109791010B (en) | Control method for a transport refrigeration unit | |
| CN109855321A (en) | A kind of high-precision oil cooling system | |
| CN220818148U (en) | Refrigerant quantity adjusting device for refrigeration cycle system, gas-liquid separator and air conditioning system | |
| JPH03164661A (en) | Air conditioner | |
| EP4246056A1 (en) | Refrigeration cycle device | |
| JPS61217655A (en) | Refrigerant circuit for refrigerator | |
| CN108507242B (en) | Throttling device | |
| CN106642858B (en) | Multi-split system and liquid drainage control method and device applied to multi-split system | |
| CN118111735A (en) | Detection method of heat pump system and heat pump system | |
| KR20240032592A (en) | Heat pump system and control method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190607 |