CN209341637U - Coolant circulating system - Google Patents
Coolant circulating system Download PDFInfo
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- CN209341637U CN209341637U CN201822188560.0U CN201822188560U CN209341637U CN 209341637 U CN209341637 U CN 209341637U CN 201822188560 U CN201822188560 U CN 201822188560U CN 209341637 U CN209341637 U CN 209341637U
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Abstract
The utility model discloses a kind of coolant circulating systems, are related to compressor field, to improve the stability of compressor internal bearings work.The coolant circulating system includes the first compressor, the first drainage branch and cooling branch.First compressor includes bearing and at least two stages of compression chamber.The inflow entrance of first drainage branch is connected to at least one of which compression chamber, and the refrigerant in the first drainage branch is used for cooling bearing.Cooling branch and the first drainage branch heat exchange, for cooling down the refrigerant in the first drainage branch.Above-mentioned technical proposal, the temperature of refrigerant inside the first drainage branch is reduced using cooling branch, refrigerant in first drainage branch is for cooling down hydrostatic gas-lubricated bearing, and since gas temperature is relatively low, so that the working condition of hydrostatic gas-lubricated bearing is able to maintain, the stability of hydrostatic gas-lubricated bearing work ensure that.
Description
Technical field
The utility model relates to compressor fields, and in particular to a kind of coolant circulating system.
Background technique
Centrifugal compressor be it is a kind of using centrifugal force come the compressor of compressed gas, have oil-lubricated bearing, electromagnetism at present
Bearing.Using oil-lubricated bearing, needs to increase oil supply system, and lubricating oil can be also leaked into cooling medium, cause cold
But medium pollution.Furthermore it rubs between lubricating oil and rotor, so that energy loss.Using the centrifugal compressor of electromagnetic bearing
The control system of machine, bearing is complex, and system impact resistance is poor, is furthermore provided with additional power-off protection means
To protect bearing.
Hydrostatic gas-lubricated bearing is the technology that rotor is supported using the pressure of gas generation between bearing and rotor, is a kind of
Oilless bearing.Gas and friction rotor resistance are small, and do not need complicated control system, and structure is simple.Therefore, it also opens in recent years
Beginning is applied in centrifugal compressor.
Inventors have found that hydrostatic gas-lubricated bearing needs to provide the gas of bearing working using outside gas supply, therefore it is supplied
The working performance for whether rationally directly affecting centrifugal compressor of design of gas system.The external gas supply system of existing compressor
System be easy to cause bearing working unstable.
Utility model content
The utility model proposes a kind of coolant circulating systems, to improve the stability of compressor internal bearings work.
The utility model provides a kind of coolant circulating system, comprising:
First compressor, including bearing and at least two stages of compression chamber；
The inflow entrance of first drainage branch, the first drainage branch is connected to compression chamber described at least one of which, and
Refrigerant in the first drainage branch is for cooling down the bearing；And
Cooling branch drains branch heat exchange with described first, for cooling down the refrigerant in the first drainage branch.
In some embodiments, coolant circulating system further include:
Heat exchanger, including the first branch and second branch, the first branch is connected to the first drainage branch, described
Second branch is connected to the cooling branch.
In some embodiments, the cooling branch is in parallel with the pipeline between condenser and evaporator.
In some embodiments, the compression chamber includes that the first chamber and second of arbitrarily downgrading is arbitrarily downgraded chamber, described first arbitrarily downgrade it is intracavitary
Fluid pressure and the described second intracavitary Fluid pressure of arbitrarily downgrading it is unequal；The inflow entrance and the first pressure of the first drainage branch
The first of contracting machine arbitrarily downgrade chamber and/or second arbitrarily downgrade chamber connection.
In some embodiments, the first of first compressor arbitrarily downgrade chamber outlet be equipped with the first regulating valve；And/or
The second of first compressor arbitrarily downgrade chamber outlet be equipped with the second regulating valve.
In some embodiments, coolant circulating system further include:
Caisson is connected to set on the downstream of the first drainage branch, and with the first drainage branch.
In some embodiments, coolant circulating system further include:
Temperature detecting element is set to the caisson, for detecting the gas temperature in the caisson.
In some embodiments, coolant circulating system further include:
Pressure detecting element is set to the caisson, for detecting the gas pressure in the caisson.
In some embodiments, the exit of the caisson is equipped with third regulating valve.
In some embodiments, coolant circulating system further include:
Second drainage branch, one end are connected to condenser, and the other end is connected to the cavity where the bearing.
In some embodiments, the bearing includes gas suspension bearing.
In some embodiments, the coolant circulating system includes air-conditioning.
Above-mentioned technical proposal goes the temperature for reducing refrigerant inside the first drainage branch, the first drainage branch using cooling branch
Refrigerant in road is used to cool down hydrostatic gas-lubricated bearing, and since gas temperature is relatively low, so that the work of hydrostatic gas-lubricated bearing
State is able to maintain, and ensure that the stability of hydrostatic gas-lubricated bearing work.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the coolant circulating system schematic illustration that an embodiment of the present invention provides；
Fig. 2 is the coolant circulating system schematic illustration that another embodiment of the utility model provides；
Fig. 3 is the coolant circulating system schematic illustration that another embodiment of the utility model provides.
Specific embodiment
Below with reference to FIG. 1 to FIG. 3, technical scheme provided by the present invention will be described in more detail.
The utility model embodiment provides a kind of coolant circulating system, including the first compressor 1, first drains branch 2
With cooling branch 3.First compressor 1 includes bearing and at least two stages of compression chamber.The inflow entrance of first drainage branch 2 and compression
Chamber connection, and the refrigerant in the first drainage branch 2 is used for cooling bearing.Cooling branch 3 and the first drainage 2 heat exchange of branch, are used
Refrigerant in cooling first drainage branch 2.
Bearing is such as gas suspension bearing, specially hydrostatic gas-lubricated bearing.Hydrostatic gas-lubricated bearing is a kind of oilless bearing, nothing
Palpus lubricating oil avoids the pollution of lubricating oil bring.
It is divided into three kinds of situations below and the alternative construction of coolant circulating system is discussed in detail, includes two with the first compressor 1
Compression chamber, the respectively first chamber 101 and second of arbitrarily downgrading are arbitrarily downgraded for chamber 102.Three kinds of situations are respectively that the first drainage branch 2 is independent
Liquid is taken from the first chamber 101 of arbitrarily downgrading, and the first drainage branch 2 is individually arbitrarily downgraded chamber 102 from second.First drainage branch 2 is arbitrarily downgraded from first
Chamber 101 and second arbitrarily downgrades and takes liquid in chamber 102.
Referring to Fig. 1, in some embodiments, the first compressor 1 includes two stages of compression chamber, and respectively first arbitrarily downgrades chamber 101
It arbitrarily downgrades chamber 102 with second.Under working condition, the first gas pressure arbitrarily downgraded in chamber 101 is higher than the second gas arbitrarily downgraded in chamber 102
Pressure.
Referring to Fig. 1, in some embodiments, the first drainage branch 2a arbitrarily downgrades from first draws refrigerant, i.e., first in chamber 101
The entrance and the first of the first compressor 1 chamber 101 of arbitrarily downgrading for draining branch 2a are connected to.The subsequent use of refrigerant in first drainage branch 2a
Bearing in cooling first compressor 1.
Referring to Fig. 1, in some embodiments, coolant circulating system further includes heat exchanger 4, and heat exchanger 4 includes the first branch
And second branch, the first branch are connected to the first drainage branch 2a, second branch is connected to cooling branch 3.The first branch is located at
The position in the downstream of heat exchanger 4 is provided with third check valve 18.
Heat exchanger 4 is such as plate heat exchanger.The temperature of refrigerant is lower than refrigerant in the first drainage branch 2a in cooling branch 3
Temperature.Cooling branch 3 such as draws refrigerant from the outlet of condenser 14, or by the refrigerant in condenser 14 by throttling dress
It is drawn after setting 11 throttlings.
Referring to Fig. 1, in some embodiments, cooling branch 3 is in parallel with the pipeline between condenser 14 and evaporator 13
's.Cooling branch 3 is equipped with the 4th regulating valve 19, with parameters such as the on off operating mode of the cooling branch 3 of control and cold medium fluxes.
Referring to Fig. 1, for the refrigerant come out from condenser 14 after the throttling of throttling set 11, a part flows to evaporator 13,
Another part enters in cooling branch 3, then flows to the second branch of heat exchanger 4, then flow in evaporator 13.
Referring to Fig. 1, in some embodiments, the first drainage branch 2a is equipped with the first regulating valve 5, to adjust the first drainage branch
The flow of refrigerant, pressure and other parameters in the 2a of road.
Refrigerant return in order to prevent, the first drainage branch 2a are additionally provided with the first check valve 12, the first such as position of check valve 12
In the upstream of the first regulating valve 5.
Referring to Fig. 1, in some embodiments, coolant circulating system further includes caisson 7, and caisson 7 is set to first
The downstream of branch 2a is drained, and is connected to the first drainage branch 2a.Refrigerant by supercooling is stored in caisson 7, with
Cooling bearing when needs.7 downstream of caisson is equipped with third regulating valve 17, and third regulating valve 17 is opened, in caisson 7
Refrigerant enter cavity where bearing, with cooling bearing.Third regulating valve 17 is closed, and the refrigerant in caisson 7 does not flow out.
Referring to Fig. 1, in some embodiments, coolant circulating system further includes temperature detecting element 8, temperature detecting element 8
Set on caisson 7, for detecting the gas temperature in caisson 7.Temperature detecting element 8 is including temperature sensor etc..
In some embodiments, coolant circulating system further includes pressure detecting element 9, and pressure detecting element 9 is set to gas storage
Device 7, for detecting the gas pressure in caisson 7.Pressure detecting element 9 is including pressure sensor etc..
Coolant circulating system includes two working conditions: start and stop state and normal operating conditions.Coolant circulating system is in
Normal operating conditions, bearing are cooling by the first above-mentioned drainage branch 2a.Coolant circulating system is in start and stop stage, the stage
Duration is very short, and bearing is cooling by the second following drainage branches 10.
Referring to Fig. 1, in some embodiments, coolant circulating system further includes the second drainage branch 10, the second drainage branch
10 one end is connected to condenser 14, and the other end of the second drainage branch 10 is connected to the cavity where bearing.Alternatively, refrigerant follows
Loop system further includes the second drainage branch 10, and one end of the second drainage branch 10 is connected to condenser 14, the second drainage branch 10
The other end be connected to caisson 7, as shown in Figure 1.
Referring to Fig. 1, it is equipped with the second compressor 15 in the second above-mentioned drainage branch 10, it is cold that gaseous state is drawn from condenser 14
Matchmaker, the gaseous coolant flow to caisson 7 after the second compressor 15.
Referring to Fig. 1, it is additionally provided with the 4th check valve 20 in above-mentioned second drainage branch 10, to prevent refrigerant return and just
It is whether in running order that branch 10 is drained in control second.When the first compressor 1 is in start and stop stage, the second drainage branch 10
It is in the conductive state.Under this state, the first drainage branch 2a does not work, and is in an off state.When the first compressor 1 is in normal
Working condition, the first drainage branch 2a are in the conductive state.Under this state, the second drainage branch 10 does not work, in disconnection shape
State.
In some embodiments, coolant circulating system includes air-conditioning.
Referring to fig. 2, another drainage way of the first drainage branch 2 is described below.
The utility model embodiment provides a kind of coolant circulating system, including the first compressor 1, first drains branch 2b
With cooling branch 3.First compressor 1 includes bearing and at least two stages of compression chamber.The inflow entrance and pressure of first drainage branch 2b
The connection of contracting chamber, and the refrigerant in the first drainage branch 2b is used for cooling bearing.Cooling branch 3 and the first drainage branch 2b heat are handed over
It changes, for cooling down the refrigerant in the first drainage branch 2b.
In some embodiments, the first compressor 1 include two stages of compression chamber, respectively first arbitrarily downgrade chamber 101 and second pressure
Grade chamber 102.Under working condition, the first gas pressure arbitrarily downgraded in chamber 101 is higher than the second gas pressure arbitrarily downgraded in chamber 102.
Referring to fig. 2, in some embodiments, the first drainage branch 2b arbitrarily downgrades from second draws refrigerant, i.e., first in chamber 102
The entrance and the second of the first compressor 1 chamber 102 of arbitrarily downgrading for draining branch 2b are connected to.The subsequent use of refrigerant in first drainage branch 2b
Bearing in cooling first compressor 1.
In some embodiments, coolant circulating system further includes heat exchanger 4, and heat exchanger 4 includes the first branch and second
Road, the first branch are connected to the first drainage branch 2b, and second branch is connected to cooling branch 3.The first branch is located at heat exchanger 4
The position in downstream is provided with third check valve 18.
Heat exchanger 4 is such as plate heat exchanger 4.The temperature of refrigerant is cold lower than in the first drainage branch 2b in cooling branch 3
The temperature of matchmaker.Cooling branch 3 such as draws refrigerant from the outlet of condenser 14, or by the refrigerant in condenser 14 by throttling
Device 11 is drawn after throttling.
Referring to fig. 2, in some embodiments, cooling branch 3 is in parallel with the pipeline between condenser 14 and evaporator 13
's.Cooling branch 3 is equipped with the 4th regulating valve 19, to control the on off operating mode of cooling branch 3.
Referring to fig. 2, from the refrigerant that condenser 14 comes out after the throttling of throttling set 11, a part flows to evaporator 13,
Another part enters in cooling branch 3, then flows to the second branch of heat exchanger 4, then flow in evaporator 13.
In some embodiments, the first drainage branch 2b is equipped with the second regulating valve 6, cold in the first drainage branch 2b to adjust
The flow of matchmaker, pressure and other parameters.
Refrigerant return in order to prevent, the first drainage branch 2b are additionally provided with second one-way valve 16, the such as position of second one-way valve 16
In the upstream of the second regulating valve 6.
In some embodiments, coolant circulating system further includes caisson 7, and caisson 7 is set to the first drainage branch
The downstream of 2b, and be connected to the first drainage branch 2b.Refrigerant by supercooling is stored in caisson 7, with needs when
Wait cooling bearing.7 downstream of caisson is equipped with third regulating valve 17, and third regulating valve 17 is opened, the refrigerant in caisson 7 into
Enter to cavity where bearing, with cooling bearing.Third regulating valve 17 is closed, and the refrigerant in caisson 7 does not flow out.
Referring to fig. 2, in some embodiments, coolant circulating system further includes temperature detecting element 8, temperature detecting element 8
Set on caisson 7, for detecting the gas temperature in caisson 7.Temperature detecting element 8 is including temperature sensor etc..
In some embodiments, coolant circulating system further includes pressure detecting element 9, and pressure detecting element 9 is set to gas storage
Device 7, for detecting the gas pressure in caisson 7.Pressure detecting element 9 is including pressure sensor etc..
Coolant circulating system includes two working conditions: start and stop state and normal operating conditions.Coolant circulating system is in
Normal operating conditions, bearing are cooling by the first above-mentioned drainage branch 2b.Coolant circulating system is in start and stop stage, the stage
Duration is very short, and bearing is cooling by the second following drainage branches 10.
In some embodiments, coolant circulating system further includes the second drainage branch 10, one end of the second drainage branch 10
It is connected to condenser 14, the other end of the second drainage branch 10 is connected to the cavity where bearing.Alternatively, coolant circulating system is also
Including the second drainage branch 10, one end of the second drainage branch 10 is connected to condenser 14, the other end of the second drainage branch 10
It is connected to caisson 7, as shown in Figure 2.
It is equipped with the second compressor 15 in the second above-mentioned drainage branch 10, draws gaseous coolant from condenser 14, the gas
State refrigerant flows to caisson 7 after the second compressor 15.
It is additionally provided with the 4th check valve 20 in above-mentioned second drainage branch 10, to prevent refrigerant return and convenient for control the
Whether two drainage branches 10 are in running order.When the first compressor 1 is in start and stop state, the second drainage branch 10, which is in, is led
Logical state.Under this state, the first drainage branch 2b does not work, and is in an off state.Shape is worked normally when the first compressor 1 is in
State, the first drainage branch 2b are in the conductive state.Under this state, the second drainage branch 10 does not work, and is in an off state.
In some embodiments, coolant circulating system includes air-conditioning.
Referring to Fig. 3, another drainage way of the first drainage branch 2 is described below.
The utility model embodiment provides a kind of coolant circulating system, including the first compressor 1, first drains branch 2
With cooling branch 3.First compressor 1 includes bearing and at least two stages of compression chamber.The inflow entrance of first drainage branch 2 and compression
Chamber connection, and the refrigerant in the first drainage branch 2 is used for cooling bearing.Cooling branch 3 and the first drainage 2 heat exchange of branch, are used
Refrigerant in cooling first drainage branch 2.
In some embodiments, the first compressor 1 include two stages of compression chamber, respectively first arbitrarily downgrade chamber 101 and second pressure
Grade chamber 102.Under working condition, the first gas pressure arbitrarily downgraded in chamber 101 is higher than the second gas pressure arbitrarily downgraded in chamber 102.
Referring to Fig. 3, in some embodiments, the first drainage branch 2 includes two, the first drainage branch 2a and the first drainage
Branch 2b.
First drainage branch 2a arbitrarily downgrades from first draws refrigerant in chamber 101, i.e., the entrance and first of the first drainage branch 2a
The second of compressor 1 arbitrarily downgrade chamber 102 connection.First drainage branch 2b arbitrarily downgrades from second draws refrigerant in chamber 102, i.e., the first drainage
The entrance of branch 2b is connected to the second of the first compressor 1 chamber 102 of arbitrarily downgrading.First drainage branch 2a's and the first drainage branch 2b
Outflux converges.
In some embodiments, coolant circulating system further includes heat exchanger 4, and heat exchanger 4 includes the first branch and second
Road, the first branch are connected to the outflux of the first drainage branch 2a and the first drainage branch 2b, and second branch and cooling branch 3 connect
It is logical.The position that the first branch is located at the downstream of heat exchanger 4 is provided with third check valve 18.
Heat exchanger 4 is such as plate heat exchanger.
In some embodiments, cooling branch 3 is in parallel with the pipeline between condenser 14 and evaporator 13.Cooling branch
Road 3 is equipped with the 4th regulating valve 19, to control the on off operating mode of cooling branch 3.
Referring to Fig. 3, for the refrigerant come out from condenser 14 after the throttling of throttling set 11, a part flows to evaporator 13.
Another part enters in cooling branch 3, then flows to the second branch of heat exchanger 4, then flow in evaporator 13.
In some embodiments, the first drainage branch 2a is equipped with the first regulating valve 5, cold in the first drainage branch 2a to adjust
The parameters such as flow, pressure, the temperature of matchmaker.First drainage branch 2b is equipped with the second regulating valve 6, to adjust in the first drainage branch 2b
The parameters such as flow, pressure, the temperature of refrigerant.
Refrigerant return in the first drainage branch 2a, the first drainage branch 2a are additionally provided with the first check valve 12 in order to prevent, the
One check valve 12 is such as located at the upstream of the first regulating valve 5.Refrigerant return in first drainage branch 2b in order to prevent, the first drainage
Branch 2b is additionally provided with second one-way valve 16, and the first check valve 16 is such as located at the upstream of the second regulating valve 6.
In some embodiments, coolant circulating system further includes caisson 7, and caisson 7 is set to the first drainage branch
The downstream of the drainage of 2a and first branch 2b, and be connected to the first drainage branch 2a and the first drainage branch 2b.By supercooling
Refrigerant is stored in caisson 7, with cooling bearing when needed.
Referring to Fig. 3, in some embodiments, coolant circulating system further includes temperature detecting element 8, temperature detecting element 8
Set on caisson 7, for detecting the gas temperature in caisson 7.Temperature detecting element 8 is including temperature sensor etc..
In some embodiments, coolant circulating system further includes pressure detecting element 9, and pressure detecting element 9 is set to gas storage
Device 7, for detecting the gas pressure in caisson 7.Pressure detecting element 9 is including pressure sensor etc..
In some embodiments, coolant circulating system further includes the second drainage branch 10, one end of the second drainage branch 10
It is connected to condenser 14, the other end of the second drainage branch 10 is connected to the cavity where bearing.Second drainage branch 10 is used for
In the start and stop stage, cooling bearing.
Alternatively, coolant circulating system further includes the second drainage branch 10, one end of the second drainage branch 10 and condenser 14
The other end of connection, the second drainage branch 10 is connected to caisson 7, as shown in Figure 3.Second drainage branch 10 is used in start and stop
Stage, cooling bearing.
It is equipped with the second compressor 15 in the second above-mentioned drainage branch 10, draws gaseous coolant from condenser 14, the gas
State refrigerant flows to caisson 7 after the second compressor 15.
It is additionally provided with the 4th check valve 20 in above-mentioned second drainage branch 10, to prevent refrigerant return and convenient for control the
Whether two drainage branches 10 are in running order.When the first compressor 1 is in the start and stop stage, the second drainage branch 10 is on
State.Under this state, the first drainage branch 2a and the first drainage branch 2b do not work, are in an off state.When the first compression
Machine 1 is in normal work stage, and the first drainage branch 2a and first drains branch 2b, and at least one is in the conductive state.This
Under state, the second drainage branch 10 does not work, and is in an off state.
In some embodiments, coolant circulating system includes air-conditioning.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, but these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (14)
1. a kind of coolant circulating system characterized by comprising
First compressor (1), including bearing and at least two stages of compression chamber；
The inflow entrance of first drainage branch (2), first drainage branch (2) is connected to compression chamber described at least one of which,
And the refrigerant in first drainage branch (2) is for cooling down the bearing；And
Cooling branch (3), it is cold in first drainage branch (2) for cooling down with described first drainage branch (2) heat exchange
Matchmaker.
2. coolant circulating system according to claim 1, which is characterized in that further include:
Heat exchanger (4), including the first branch and second branch, the first branch are connected to first drainage branch (2), institute
Second branch is stated to be connected to the cooling branch (3).
3. coolant circulating system according to claim 1, which is characterized in that the cooling branch (3) and condenser (14)
Pipeline between evaporator (13) is in parallel.
4. coolant circulating system according to claim 1, which is characterized in that the compression chamber includes first arbitrarily downgrading chamber
(101) it arbitrarily downgrades chamber (102) with second, the described first Fluid pressure arbitrarily downgraded in chamber (101) is arbitrarily downgraded in chamber (102) with described second
Fluid pressure it is unequal；The inflow entrance of first drainage branch (2) and the first of the first compressor (1) arbitrarily downgrade chamber (101)
And/or second arbitrarily downgrade chamber (102) connection.
5. coolant circulating system according to claim 4, which is characterized in that the first of first compressor (1) is arbitrarily downgraded
The outlet of chamber (101) is equipped with the first regulating valve (5)；And/or the second of first compressor (1) is arbitrarily downgraded the outlet of chamber (102)
Equipped with the second regulating valve (6).
6. coolant circulating system according to claim 1, which is characterized in that further include:
Caisson (7) is set to the downstream of first drainage branch (2), and is connected to first drainage branch (2).
7. coolant circulating system according to claim 6, which is characterized in that further include:
Temperature detecting element (8) is set to the caisson (7), for detecting the gas temperature in the caisson (7).
8. coolant circulating system according to claim 6, which is characterized in that further include:
Pressure detecting element (9) is set to the caisson (7), for detecting the gas pressure in the caisson (7).
9. coolant circulating system according to claim 6, which is characterized in that the exit of the caisson (7) is equipped with
Third regulating valve (17).
10. coolant circulating system according to claim 1, which is characterized in that further include:
Second drainage branch (10), one end are connected to condenser (14), and the other end is connected to the cavity where the bearing.
11. coolant circulating system according to claim 10, which is characterized in that second drainage branch (10) is equipped with the
Two compressors (15).
12. coolant circulating system according to claim 6, which is characterized in that further include:
Second drainage branch (10), one end are connected to condenser (14), and the other end is connected to the caisson (7).
13. coolant circulating system according to claim 1, which is characterized in that the bearing includes gas suspension bearing.
14. coolant circulating system according to claim 1, which is characterized in that the coolant circulating system includes air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188560.0U CN209341637U (en) | 2018-12-25 | 2018-12-25 | Coolant circulating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188560.0U CN209341637U (en) | 2018-12-25 | 2018-12-25 | Coolant circulating system |
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| CN209341637U true CN209341637U (en) | 2019-09-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134514A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Refrigerant circulation system, air conditioning device, and refrigerant circulation system control method |
| CN111365906A (en) * | 2018-12-25 | 2020-07-03 | 珠海格力电器股份有限公司 | Refrigerant circulating system |
| CN111928504A (en) * | 2020-08-24 | 2020-11-13 | 珠海格力电器股份有限公司 | Refrigerant circulation system and control method |
-
2018
- 2018-12-25 CN CN201822188560.0U patent/CN209341637U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134514A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Refrigerant circulation system, air conditioning device, and refrigerant circulation system control method |
| CN111365906A (en) * | 2018-12-25 | 2020-07-03 | 珠海格力电器股份有限公司 | Refrigerant circulating system |
| CN111928504A (en) * | 2020-08-24 | 2020-11-13 | 珠海格力电器股份有限公司 | Refrigerant circulation system and control method |
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