CN215188035U - Cooling system of cooling type converter valve of water chilling unit - Google Patents
Cooling system of cooling type converter valve of water chilling unit Download PDFInfo
- Publication number
- CN215188035U CN215188035U CN202121267353.XU CN202121267353U CN215188035U CN 215188035 U CN215188035 U CN 215188035U CN 202121267353 U CN202121267353 U CN 202121267353U CN 215188035 U CN215188035 U CN 215188035U
- Authority
- CN
- China
- Prior art keywords
- water
- inlet
- communicated
- branch
- series
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000001816 cooling Methods 0.000 title claims abstract description 43
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 238000002242 deionisation method Methods 0.000 claims abstract description 12
- 238000007872 degassing Methods 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 4
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 11
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 150000002500 ions Chemical class 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000007774 longterm Effects 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a cooling type converter valve cooling system of a water chiller, which comprises a main circulation loop, a water replenishing branch, a deionization branch and a pressure stabilizing branch; the main circulation loop comprises a serial water path formed by connecting a degassing tank, a main circulation pump set, a water chilling unit, a cold storage tank and a filter set in series, wherein the inlet of the serial water path is communicated with the water outlet of the converter valve, and the outlet of the serial water path is communicated with the water inlet of the converter valve; the water replenishing branch and the deionized branch are connected in series and then communicated with the inlet of the serial water path to replenish deionized water into the serial water path; the pressure stabilizing branch is communicated with the inlet of the series waterway to stabilize the pressure of the series waterway. The utility model is suitable for an environment of high temperature, lack of water, high humidity to can detach the oxygen in the cooling water, and then slow down the corrosion rate of each device and change of current valve in the series connection water route.
Description
Technical Field
The utility model relates to a cold type converter valve cooling system is made to cold water machine group.
Background
The extra-high voltage converter valve is a core device for realizing alternating current-direct current electric energy conversion of the converter station, the temperature of elements can be increased due to heat converted by power loss in the operation process of the converter valve, if proper heat dissipation or cooling measures are not taken, the reliability and the service life of the elements can be influenced by long-term high-temperature operation, and even if the temperature of the elements exceeds a temperature limit value, the elements can be damaged, so that the converter valve needs to use a cooling device to achieve the purpose of cooling.
In the existing cooling system, oxygen exists in cooling water, and the oxygen can accelerate corrosion of devices such as a converter valve and the like, so that the service life of the devices is influenced.
Under the environment of high temperature, lack of water and high humidity, the cooling efficiency of the existing valve external cooling mode is low, and even the use requirement can not be met. In addition, the temperature of inlet valve water cannot be lower than the ambient temperature by adopting the existing external cooling equipment, the junction temperature of a converter valve device is higher, and the service life of the converter valve is not prolonged.
To prevent leakage currents and fouling in high voltage environments, the circulating cooling water of the converter valve cooling system must have a very low electrical conductivity. Copper ions are separated out from an evaporator of a traditional water chilling unit during operation, so that the conductivity of circulating cooling water is increased, and therefore a secondary circulation loop which comprises a circulating water pump, a stainless steel plate type heat exchanger, an attached valve and a pipeline is required to be arranged for the water chilling unit in application, the whole converter valve cooling system is complicated, and the heat exchange efficiency and the reliability of the cooling system are reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a cold water unit refrigeration formula converter valve cooling system, it is applicable to the environment of high temperature, lack of water, high humidity to can detach the oxygen in the cooling water, and then slow down the corrosion rate of each device and converter valve in the series connection water route.
In order to solve the technical problem, the technical scheme of the utility model is that: a cooling system of a cooling converter valve of a water chiller comprises a main circulation loop, a water replenishing branch, a deionization branch and a pressure stabilizing branch; wherein,
the main circulation loop comprises a serial water path formed by connecting at least a degassing tank, a main circulation pump set, a water chilling unit, a cold storage tank and a filter set in series, wherein the inlet of the serial water path is communicated with the water outlet of the converter valve, and the outlet of the serial water path is communicated with the water inlet of the converter valve;
the water replenishing branch and the deionized branch are connected in series and then communicated with the inlet of the serial water path to replenish deionized water into the serial water path;
the pressure stabilizing branch is communicated with the inlet of the series waterway to stabilize the pressure of the series waterway.
Further to enhance degassing effect and regulate water temperature, the degassing tank is equipped with an automatic exhaust valve and an electric heater.
The specific structure of the voltage stabilizing branch is further provided, and the voltage stabilizing branch comprises a buffer tank and two nitrogen cylinders connected in parallel; wherein,
water is stored in the buffer tank, and a water outlet of the buffer tank is communicated with an inlet of the serial waterway;
the nitrogen gas bottle is communicated with the buffer tank to apply nitrogen gas to the buffer tank.
Further in order to improve reliability and stability, the main circulating pump group comprises two main circulating pumps which are connected in parallel;
the inlet and the outlet of each main circulating pump are connected in series with a maintenance butterfly valve and a ripple compensator;
the outlet of each main circulating pump is provided with a double check valve and a drain valve.
Further, in order to conveniently detect the temperature and the liquid level, a temperature transmitter and a motor winding temperature switch are arranged at the motor end of each main circulating pump;
and a temperature transmitter and a liquid level switch are arranged at the main pump end of each main circulating pump.
In order to further improve the heat exchange capacity, at least two water chiller sets are arranged and are connected in parallel, and each water chiller set comprises an evaporator, a compressor, an air-cooled condenser and an expansion valve; wherein,
the evaporator is connected in series in a series waterway, an air suction pipe of the compressor is communicated with a refrigerant outlet of the evaporator, an exhaust pipe of the compressor is communicated with a refrigerant inlet of the air-cooled condenser, and the refrigerant outlet of the air-cooled condenser is communicated with the refrigerant inlet of the evaporator through an expansion valve;
the evaporator is made of stainless steel.
Further in order to conveniently overhaul the water chilling unit and detect the water temperature, a normally open overhaul butterfly valve and a temperature transmitter are installed at the inlet and the outlet of the water chilling unit.
The water supplementing branch circuit comprises a raw water tank, a raw water pump set and a raw water filter which are sequentially connected in series, the raw water pump set comprises two raw water pumps which are connected in parallel, and an outlet of the raw water filter is communicated with an inlet of the deionization branch circuit.
The specific structure of the deionization branch comprises an ion exchanger and a precision filter which are connected in series, wherein the inlet of the ion exchanger is communicated with the water supplementing branch, and the outlet of the precision filter is communicated with the inlet of the series water path.
Further, the filter group comprises two main filters connected in parallel, and each main filter is connected with a pressure difference meter for detecting the pressure difference between an inlet and an outlet of the main filter.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the cooling water unit refrigeration type converter valve cooling system of the utility model is a closed system, does not need water supplement, and is suitable for water-deficient areas, the utility model can greatly control the water temperature to be lower than the environmental temperature, and is particularly suitable for high-temperature and high-humidity environments;
2. the degassing tank is arranged in the main circulation loop of the utility model, which can remove the gas in the main circulation loop, mainly to remove oxygen, and further slow down the corrosion speed of each device and the converter valve in the series water path;
3. the pressure stabilizing branch in the utility model plays a role in stabilizing pressure, thereby preventing the main circulating pump from influencing the service life of an impeller of the main circulating pump due to the generation of negative pressure, preventing the main circulating pump from being damaged, improving the working stability and prolonging the service life of the main circulating pump;
4. the evaporator of the water chilling unit of the utility model is made of stainless steel, which can ensure the performance of low conductivity of cooling water, simplify the whole converter valve system and increase the reliability of a cooling system;
5. the utility model discloses a every cooling water set is provided with at least two, even have a cooling water set to break down, still guarantee that cooling system has cooling capacity, has improved the reliability of whole cooling system to the refrigerating capacity of every cooling water set is adjustable, can adapt to the various operating modes of converter valve;
6. the utility model discloses a set up a cold storage tank in the cooling water set export, fluctuation that can the stabilizing the temperature possesses the cold-storage function, can reduce opening of the compressor in the cooling water set and stop the frequency, has ensured the reliability and the outstanding energy-conserving effect of the long-term operation of cooling water set.
Drawings
Fig. 1 is a schematic structural diagram of a cooling system of a cooling converter valve of a chiller according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a cooling system of a cooling converter valve of a water chiller comprises a main circulation loop, a water replenishing branch, a deionization branch and a pressure stabilizing branch; wherein,
the main circulation loop comprises a serial water path formed by connecting at least a degassing tank 1, a main circulation pump set, a water chilling unit, a cold accumulation tank 2 and a filter set in series, wherein the inlet of the serial water path is communicated with the water outlet of the converter valve 3, and the outlet of the serial water path is communicated with the water inlet of the converter valve 3;
the water replenishing branch and the deionized branch are connected in series and then communicated with the inlet of the serial water path to replenish deionized water into the serial water path;
the pressure stabilizing branch is communicated with the inlet of the series waterway to stabilize the pressure of the series waterway.
In this embodiment, the deionization branch ensures that the cooling water in the main circulation loop has a lower conductivity, thereby preventing leakage current and scaling in a high voltage environment.
Specifically, the degassing tank 1 is arranged in the main circulation loop of the utility model, so that the gas in the main circulation loop can be removed, mainly for removing oxygen, and further the corrosion speed of each device and the converter valve 3 in the series water path is slowed down; the utility model provides a steady voltage branch road plays the steady voltage effect, and then prevents that main circulating pump 8 from influencing main circulating pump 8's impeller life because of producing the negative pressure, prevents that main circulating pump 8 from damaging, improves the stability of work to prolong main circulating pump 8's life.
As shown in FIG. 1, the degassing tank 1 is provided with an automatic exhaust valve 4 and an electric heater 5 in order to enhance degassing effect and adjust water temperature.
As shown in fig. 1, the voltage stabilizing branch comprises a buffer tank 6 and two nitrogen cylinders 7 connected in parallel; wherein,
water is stored in the buffer tank 6, and a water outlet of the buffer tank 6 is communicated with an inlet of the serial waterway;
the nitrogen gas cylinder 7 is communicated with the buffer tank 6 to apply nitrogen gas to the buffer tank 6.
In this embodiment, two nitrogen cylinder 7 are used for one and are equipped with one, and when finding that system nitrogen cylinder 7 pressure is low to report to the police, the system will automatic switch over to reserve nitrogen cylinder 7 to in time supply nitrogen gas, guarantee the steady operation of system.
As shown in fig. 1, the main circulation pump group comprises two main circulation pumps 8 connected in parallel, one main circulation pump 8 is used and the other main circulation pump is used, so that the reliability and the stability are improved;
the inlet and the outlet of each main circulating pump 8 are connected in series with a maintenance butterfly valve 9 and a ripple compensator 10;
the outlet of each main circulation pump 8 is fitted with a double check valve 11 and a drain valve 12.
As shown in fig. 1, in order to detect the temperature and the liquid level conveniently, a temperature transmitter 13 and a motor winding temperature switch 14 are arranged at the motor end of each main circulating pump 8;
the main pump end of each main circulation pump 8 is provided with a temperature transmitter 13 and a level switch 15.
As shown in fig. 1, in order to increase the heat exchange capacity, at least two water chiller units are provided, and are connected in parallel with each other, and each water chiller unit comprises an evaporator 16, a compressor 17, an air-cooled condenser 18 and an expansion valve 19; wherein,
the evaporator 16 is connected in series in a serial water path, the air suction pipe of the compressor 17 is communicated with a refrigerant outlet of the evaporator 16, the exhaust pipe of the compressor 17 is communicated with a refrigerant inlet of the air-cooled condenser 18, and the refrigerant outlet of the air-cooled condenser 18 is communicated with the refrigerant inlet of the evaporator 16 through an expansion valve 19;
the evaporator 16 is made of stainless steel, so that ions are not precipitated during system operation, the performance of low conductivity of cooling water can be guaranteed, and leakage current and scaling in a high-voltage environment are prevented.
In this embodiment, the chiller is provided with N +1, wherein N can satisfy the normal operation of extreme operating mode, and 1 is the redundant configuration, even if there is a chiller trouble, still ensures that cooling system has the cooling capacity, has improved whole cooling system's reliability to the refrigerating capacity of every chiller is adjustable, can adapt to the various operating modes of converter valve 3.
In this embodiment, the cold storage tank 2 is disposed at the outlet of the chiller, can stabilize the temperature fluctuation, has a cold storage function, can reduce the start-stop frequency of the compressor 17 in the chiller, and ensures the reliability of long-term operation of the chiller and excellent energy saving effect.
As shown in fig. 1, in order to conveniently overhaul the water chilling unit and detect the water temperature, a normally open overhaul butterfly valve 27 and a temperature transmitter 13 are installed at the inlet and the outlet of the water chilling unit. When the water chilling unit operates normally, the normally open maintenance butterfly valve 27 at the inlet and the outlet of the water chilling unit is opened, and the water chilling unit works normally; when the water chilling unit is overhauled, the normally open overhaul butterfly valve 27 at the inlet and the outlet of the water chilling unit is closed, cooling water is cut off, the isolated water chilling unit is overhauled under the condition that the main equipment is not stopped, and the running reliability of the system is improved.
As shown in fig. 1, the water replenishing branch comprises a raw water tank 20, a raw water pump set and a raw water filter 22 which are connected in series in sequence, the raw water pump set comprises two raw water pumps 21 which are connected in parallel, and an outlet of the raw water filter 22 is communicated with an inlet of the deionization branch. The two raw water pumps 21 are used and prepared one by one, and can be overhauled on line, so that the stability and reliability of the system are ensured.
As shown in fig. 1, the deionization branch comprises an ion exchanger 23 and a precision filter 24 which are connected in series, wherein the inlet of the ion exchanger 23 is communicated with the water replenishing branch, and the outlet of the precision filter 24 is communicated with the inlet of the series water path.
In this embodiment, there are two deionization branches, which are connected in parallel, and there are two ion exchangers 23, which are used for one purpose and one spare purpose, when the system conductivity is found to be high and alarm, the resin needs to be replaced in time, and a service ball valve and a precision filter 24 are arranged in front of and behind each ion exchanger 23. During maintenance, the front ball valve and the rear ball valve of the ion exchanger 23 to be maintained are closed, the ball valves of the standby ion exchanger 23 are kept open, and meanwhile, the filter element of the precision filter 24 is maintained, so that the stability of the conductivity of the system is ensured.
As shown in fig. 1, the filter group includes two main filters 25 connected in parallel, and each main filter 25 is connected with a pressure difference meter 26 for detecting a pressure difference between an inlet and an outlet thereof. The two main filters 25 are used for standby, and when the pressure difference between the inlet and the outlet of the main filter 25 is overhigh during inspection, the filter element needs to be maintained, so that the stability and the reliability of the system are ensured.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A cooling system of a cooling type converter valve of a water chiller is characterized in that,
the device comprises a main circulation loop, a water replenishing branch, a deionization branch and a voltage stabilizing branch; wherein,
the main circulation loop comprises a serial water path formed by connecting a degassing tank (1), a main circulation pump set, a water chilling unit, a cold accumulation tank (2) and a filter set in series, wherein the inlet of the serial water path is communicated with the water outlet of the converter valve (3), and the outlet of the serial water path is communicated with the water inlet of the converter valve (3);
the water replenishing branch and the deionized branch are connected in series and then communicated with the inlet of the serial water path to replenish deionized water into the serial water path;
the pressure stabilizing branch is communicated with the inlet of the series waterway to stabilize the pressure of the series waterway.
2. The water chiller refrigeration converter valve cooling system of claim 1,
the degassing tank (1) is provided with an automatic exhaust valve (4) and/or an electric heater (5).
3. The water chiller refrigeration converter valve cooling system of claim 1,
the pressure stabilizing branch comprises a buffer tank (6) and two nitrogen bottles (7) connected in parallel; wherein,
water is stored in the buffer tank (6), and a water outlet of the buffer tank (6) is communicated with an inlet of the serial waterway;
the nitrogen gas bottle (7) is communicated with the buffer tank (6) to apply nitrogen gas to the buffer tank (6).
4. The water chiller refrigeration converter valve cooling system of claim 1,
the main circulating pump group comprises two main circulating pumps (8) which are connected in parallel;
the inlet and the outlet of each main circulating pump (8) are connected in series with a maintenance butterfly valve (9) and a ripple compensator (10);
the outlet of each main circulating pump (8) is provided with a double check valve (11) and a drain valve (12).
5. The water chiller refrigeration converter valve cooling system of claim 4,
a temperature transmitter (13) and a motor winding temperature switch (14) are arranged at the motor end of each main circulating pump (8);
the main pump end of each main circulating pump (8) is provided with a temperature transmitter (13) and a liquid level switch (15).
6. The water chiller refrigeration converter valve cooling system of claim 1,
the water chiller groups are arranged in parallel, and each water chiller group comprises an evaporator (16), a compressor (17), an air-cooled condenser (18) and an expansion valve (19); wherein,
the evaporator (16) is connected in series in a water path, a gas suction pipe of the compressor (17) is communicated with a refrigerant outlet of the evaporator (16), a gas exhaust pipe of the compressor (17) is communicated with a refrigerant inlet of the air-cooled condenser (18), and a refrigerant outlet of the air-cooled condenser (18) is communicated with a refrigerant inlet of the evaporator (16) through an expansion valve (19);
the evaporator (16) is made of stainless steel.
7. The water chiller refrigeration converter valve cooling system of claim 1,
and a normally open maintenance butterfly valve (27) and a temperature transmitter (13) are arranged at the inlet and the outlet of the water chilling unit.
8. The water chiller refrigeration converter valve cooling system of claim 1,
the water supplementing branch comprises a raw water tank (20), a raw water pump set and a raw water filter (22) which are sequentially connected in series, the raw water pump set comprises two raw water pumps (21) which are connected in parallel, and an outlet of the raw water filter (22) is communicated with an inlet of the deionization branch.
9. The water chiller refrigeration converter valve cooling system of claim 1,
the deionization branch comprises an ion exchanger (23) and a precision filter (24) which are connected in series, wherein the inlet of the ion exchanger (23) is communicated with the water supplementing branch, and the outlet of the precision filter (24) is communicated with the inlet of the series water path.
10. The water chiller refrigeration converter valve cooling system of claim 1,
the filter group comprises two main filters (25) connected in parallel, and each main filter (25) is connected with a pressure difference meter (26) for detecting the pressure difference between an inlet and an outlet of the main filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121267353.XU CN215188035U (en) | 2021-06-08 | 2021-06-08 | Cooling system of cooling type converter valve of water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121267353.XU CN215188035U (en) | 2021-06-08 | 2021-06-08 | Cooling system of cooling type converter valve of water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215188035U true CN215188035U (en) | 2021-12-14 |
Family
ID=79391720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121267353.XU Active CN215188035U (en) | 2021-06-08 | 2021-06-08 | Cooling system of cooling type converter valve of water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215188035U (en) |
-
2021
- 2021-06-08 CN CN202121267353.XU patent/CN215188035U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112092658B (en) | Central liquid cooling quick charging station system | |
| WO2022134546A1 (en) | Dual-loop cooling system for fuel cell of railway vehicle | |
| CN215188035U (en) | Cooling system of cooling type converter valve of water chilling unit | |
| WO2022032641A1 (en) | Pump drive apparatus | |
| CN114071976A (en) | Double-cold-source data center cooling system and method | |
| CN113710057A (en) | Airborne single-phase immersed comprehensive circulating heat management system and airborne integrated comprehensive rack | |
| CN112261837A (en) | Seawater data cabin water cooling system | |
| CN201944965U (en) | Mobile cooling device for shore base | |
| CN216903111U (en) | Hybrid external cooling system for energy storage battery | |
| CN204513833U (en) | A kind of novel hybrid refrigeration device | |
| CN217160295U (en) | Double-cold-source data center cooling system | |
| CN215373661U (en) | Cold water system and spent fuel aftertreatment system suitable for cold area | |
| CN111077957B (en) | Multi-way server cooling system | |
| CN214611717U (en) | Automatic cooling water quality adjusting device for generator of thermal power plant | |
| CN212786390U (en) | Integrated pump driving device | |
| CN219873702U (en) | Energy storage water cooling system | |
| WO2020015372A1 (en) | Compressed air cooling device and method for silk weaving machine | |
| CN219658096U (en) | Seawater circulating cooling system for immersed liquid cooling | |
| CN114294737B (en) | Refrigeration system, control method and air conditioner | |
| CN216080564U (en) | High-efficiency secondary refrigerant cold storage type refrigerating system | |
| CN219046608U (en) | Combined cooling system | |
| CN221575872U (en) | Cooling system of electrolytic aluminum rectifier unit | |
| CN216159430U (en) | Ethylene glycol circulating refrigeration system | |
| CN214544083U (en) | Energy-saving high-power supply cooling system | |
| CN216960603U (en) | High-power frequency converter cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |