CN219981358U - Power circulation device of high-voltage direct-current transmission converter valve cooling system - Google Patents
Power circulation device of high-voltage direct-current transmission converter valve cooling system Download PDFInfo
- Publication number
- CN219981358U CN219981358U CN202320019430.2U CN202320019430U CN219981358U CN 219981358 U CN219981358 U CN 219981358U CN 202320019430 U CN202320019430 U CN 202320019430U CN 219981358 U CN219981358 U CN 219981358U
- Authority
- CN
- China
- Prior art keywords
- module
- pump
- cooling system
- outlet pipeline
- converter valve
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 87
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000007872 degassing Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 12
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 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
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A power circulation device of a high-voltage direct-current transmission converter valve cooling system provides good heat dissipation conditions for the operation of a converter valve, so that the converter valve and a cooling medium exchange heat and discharge heat, and the high-voltage direct-current transmission system safely and normally operates. The power circulation device provides pressure and power for the operation of the cooling system, the cooling medium enters the outdoor heat exchange equipment of the external cooling system through the main circulation pump of the internal cooling system, the heat generated by the converter valve is brought outdoors for heat exchange, and after cooling liquid is cooled, the cooling medium circularly enters the converter valve to form the closed circulating cooling system. The electric heater performs forced compensation on the temperature of the cooling water, so that the phenomenon of condensation caused by the excessively low temperature entering the converter valve is prevented, the temperature of the cooling water entering the valve is stabilized within a set range, and reliable guarantee is provided for the stable operation of the converter valve.
Description
Technical Field
The utility model belongs to the technical field of cooling systems, and particularly relates to a power circulation device of a high-voltage direct-current transmission converter valve cooling system.
Background
The high-voltage direct-current transmission converter valve cooling system is an auxiliary system special for the direct-current converter station, and because the mechanical loop and the control protection loop are complex, the safe operation of the high-voltage direct-current transmission system is easily endangered due to the faults of the high-voltage direct-current transmission converter valve cooling system.
The converter valve will generate a lot of heat during operation, and its cooling problem seriously affects the performance and reliability of the device. Therefore, an efficient heat dissipation method must be employed.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a power circulation device of a high-voltage direct-current transmission converter valve cooling system.
The utility model adopts the following technical scheme.
A power circulation device of a high-voltage direct-current transmission converter valve cooling system specifically comprises:
the high-voltage direct-current transmission converter valve cooling system comprises an internal cooling system and an external cooling system, wherein the internal cooling system comprises a main circulation power circulation device and an auxiliary circulation water quality purification device; the main circulation power circulation device is connected with the heat exchange device of the external cooling system in series and is connected with the auxiliary circulation water quality purification device of the internal cooling system in parallel;
an external cooling inlet pipeline module (16) and an external cooling outlet pipeline module (17) in the main circulation power circulation device are respectively connected with an inlet and an outlet of the external cooling system through pipelines.
The pump inlet pipeline module (23) in the main circulation power circulation device is connected with an outlet pipeline of the auxiliary circulation water quality purifying device of the internal cooling system, and the external cooling outlet pipeline module (17) in the power circulation device is connected with an inlet pipeline of the auxiliary circulation water quality purifying device of the internal cooling system.
The main circulation power circulation device comprises a cooled device outlet pipeline module (21), a degassing tank electric heating integrated module (4), a degassing tank outlet pipeline module (22), a pump inlet pipeline module (23), a first ripple compensator (38), a first water pump (1), a second water pump (2), a second ripple compensator (39), a first pump outlet pipeline module (12), a second pump outlet pipeline module (13), a check valve (40), a front check valve outlet pipeline module (14), a check valve (40), a rear check valve outlet pipeline module (15), an external cooling inlet pipeline module (16), an external cooling outlet pipeline module (17), a first main filter pipeline module (18), a second main filter pipeline module (19) and a cooled device inlet pipeline module (20).
Preferably, the cooled device outlet pipeline module (21), the degassing tank electric heating integrated module (4), the degassing tank outlet pipeline module (22), the pump inlet pipeline module (23), the first ripple compensator (38), the water pump, the second ripple compensator (39), the pump outlet pipeline module, the check valve (40), the front check valve outlet pipeline module (14), the check valve (40), the rear check valve outlet pipeline module (15), the external cooling inlet pipeline module (16), the external cooling system, the external cooling outlet pipeline module (17), the main filter pipeline module and the cooled device inlet pipeline module (20) are sequentially connected through pipelines to form a cooling loop of the high-voltage direct-current transmission converter valve cooling system.
The main circulation power circulation device further comprises a pump set leakage detection system, wherein the pump set leakage detection system comprises a pump emptying module (32) and a pump leakage detection module (31) which are connected in sequence, and an outlet of the pump leakage detection module (31) is connected with outlets of the first water pump (1) and the second water pump (2);
the main cycle power cycle device further comprises a frame system, wherein the frame system comprises a main machine platform type base module (3), a pump outlet pipeline support module (5), a pump inlet pipeline support module (6), an inlet and outlet support connecting support (7), an external cooling pipeline support module (8), a main filter outlet pipeline support module (9), a nameplate fixing frame module (10), a main filter channel steel support (11), a base cover plate module (24), a platform type terminal box module (25) and a platform type safety switch box module (26).
Preferably, the pump outlet pipeline support module (5), the pump inlet pipeline support module (6), the external cooling pipeline support module (8), the main filter outlet pipeline support module (9), the nameplate fixing frame module (10), the main filter channel steel support (11), the base cover plate module (24), the platform type terminal box module (25) and the platform type safety switch box module (26) are fixed on the host platform type base module (3) through bolts;
the pump outlet pipeline support module (5) and the pump inlet pipeline support module (6) are connected and fixed by the inlet and outlet support connecting support (7) through bolts.
Preferably, the first water pump (1) and the second water pump (2) are connected in parallel, the first water pump (1) is matched with the second pump outlet pipeline module (13), and the second water pump (2) is matched with the first pump outlet pipeline module (12);
the first main filter line module (18) and the second main filter line module (19) are connected in parallel.
A main filter differential pressure line module (30) is connected in parallel with the main filter line module.
Preferably, the main filter pipeline module comprises a main filter, a mechanical filter with the precision of 100 mu m is arranged on a water inlet pipeline of the valve body, and a stainless steel filter element with small mesh standard water resistance is adopted.
Compared with the prior art, the high-voltage direct-current transmission converter valve cooling system has the advantages that good heat dissipation conditions are provided for the operation of the converter valve, the converter valve and a cooling medium are subjected to heat exchange, heat is discharged, and therefore the high-voltage direct-current transmission system is enabled to safely and normally operate.
The power circulation device provides pressure and power for the operation of the cooling system, the cooling medium enters the outdoor heat exchange equipment of the external cooling system through the main circulation pump of the internal cooling system, the heat generated by the converter valve is brought outdoors for heat exchange, and after cooling liquid is cooled, the cooling medium circularly enters the converter valve to form the closed circulating cooling system.
The electric heater performs forced compensation on the temperature of the cooling water, so that the phenomenon of condensation caused by the excessively low temperature entering the converter valve is prevented, the temperature of the cooling water entering the valve is stabilized within a set range, and reliable guarantee is provided for the stable operation of the converter valve.
Drawings
FIG. 1 is a schematic diagram of a power cycle apparatus for a HVDC converter valve cooling system;
FIG. 2 is a schematic diagram of the main circulation device;
FIG. 3 is a schematic view of a partial structure of the main circulation device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments of the utility model are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without inventive faculty, are within the scope of the utility model, based on the spirit of the utility model.
The power circulation device of the high-voltage direct-current transmission converter valve cooling system comprises an internal cooling system and an external cooling system, wherein the internal cooling system comprises a main circulation power circulation device and an auxiliary circulation water quality purification device; the main circulation power circulation device is connected with the heat exchange device of the external cooling system in series and is connected with the auxiliary circulation water quality purification device of the internal cooling system in parallel.
As shown in fig. 1, 2 and 3, the power circulation device of the high-voltage direct-current transmission converter valve cooling system comprises a cooled device outlet pipeline module (21), a degassing tank electric heating integration module (4), a degassing tank outlet pipeline module (22), a pump inlet pipeline module (23), a first ripple compensator (38), a first water pump (1), a second water pump (2), a second ripple compensator (39), a first pump outlet pipeline module (12), a second pump outlet pipeline module (13), a check valve (40), a front check valve outlet pipeline module (14), a rear check valve outlet pipeline module (15), an external cooling inlet pipeline module (16), an external cooling outlet pipeline module (17), a first main filter pipeline module (18), a second main filter pipeline module (19), a main filter differential pressure pipeline module (30) and a cooled device inlet pipeline module (20);
the cooling device outlet pipeline module (21), the degassing tank electric heating integrated module (4), the degassing tank outlet pipeline module (22), the pump inlet pipeline module (23), the first ripple compensator (38), the water pump, the second ripple compensator (39), the pump outlet pipeline module, the check valve (40), the front check valve outlet pipeline module (14), the check valve (40), the rear check valve outlet pipeline module (15), the external cooling inlet pipeline module (16), the external cooling outlet pipeline module (17), the main filter pipeline module and the cooled device inlet pipeline module (20) are sequentially connected through pipelines to form a main circulation loop, so that pressure and power are provided for the operation of a cooling system.
The main circulation device of the high-voltage direct-current transmission converter valve cooling system further comprises a pump set leakage detection system, the pump set leakage detection system comprises a pump emptying module (32) and a pump leakage detection module (31) which are connected in sequence, and an outlet of the pump leakage detection module (31) is connected with outlets of the first water pump (1) and the second water pump (2), so that the system is free from leakage when the cooling system normally operates.
The main circulation device of the HVDC transmission converter valve cooling system further comprises a frame system, wherein the frame system comprises a main machine platform type base module (3), a pump outlet pipeline support module (5), a pump inlet pipeline support module (6), an inlet and outlet support connecting support (7), an external cooling pipeline support module (8), a main filter outlet pipeline support module (9), a nameplate fixing frame module (10), a main filter channel steel support (11), a base cover plate module (24), a platform type terminal box module (25) and a platform type safety switch box module (26).
Pump outlet pipeline support module (5), pump inlet pipeline support module (6), outer cold pipeline support module (8), main filter outlet pipeline support module (9), nameplate mount module (10), main filter channel steel support (11), base apron module (24), platform formula terminal box module (25), platform formula safety switch case module (26) pass through the bolt fastening on host computer platform formula base module (3).
The pump outlet pipeline support module (5) and the pump inlet pipeline support module (6) are connected and fixed by the inlet and outlet support connecting support (7) through bolts.
The instrument pipeline module (29) is arranged on the platform type terminal box module (25).
The first water pump (1) and the second water pump (2) are connected in parallel, the first water pump (1) is matched with the second pump outlet pipeline module (13), and the second water pump (2) is matched with the first pump outlet pipeline module (12).
The first main filter line module (18) and the second main filter line module (19) are connected in parallel.
The main filter differential pressure line module (30) is connected in parallel with the main filter line module.
The main filter pipeline module comprises a main filter, and in order to prevent the rigid particles possibly scoured and fallen off by the circulating cooling medium in the rapid flow from entering the valve body, a mechanical filter with the precision of 100 mu m is arranged on the water inlet pipeline of the valve body, and a stainless steel filter element with small mesh standard water resistance is adopted. The filter is provided with a differential pressure meter to prompt the dirt degree of the filter element and remind operators of cleaning. The degassing tank and electric heating integrated module (4) comprises a degassing tank and an electric heater.
The mechanical automatic exhaust valve module (33) is connected to the degassing tank electrothermal integration module (4) and thoroughly exhausts the gas in the cooling medium.
The electric heater is used for regulating the temperature of the cooling medium when the temperature is extremely low in winter and the valve body is stopped, so that the temperature of the cooling medium entering the valve is prevented from being too low. The converter valve cooling system cannot be shut down when the electric heater is running, and the flow of cooling medium in the line must be maintained even when the converter valve has been taken out of operation. If the temperature of the cooling medium is lower than the dew point temperature of the valve body, the electric heater also starts to work when the condensation danger exists on the surfaces of the pipeline and the device.
The non-electric quantity meter module (37) is connected to the first pump outlet pipeline module (12) and the second pump outlet pipeline module (13).
The electric quantity meter module (36) is connected to the cooled device inlet pipeline module (20).
The pipe orifice plugging module (35) is arranged on the external cooling inlet pipeline module (16), the external cooling outlet pipeline module (17), the cooled device inlet pipeline module (20) and the cooled device outlet pipeline module (21).
The grounding jumper module (34) is fixed on the host platform type base module (3) through bolts.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (5)
1. A power circulation device of a high-voltage direct-current transmission converter valve cooling system is characterized in that:
the high-voltage direct-current transmission converter valve cooling system comprises an internal cooling system and an external cooling system, wherein the internal cooling system comprises a main circulation power circulation device and an auxiliary circulation water quality purification device; the main circulation power circulation device is connected with the heat exchange device of the external cooling system in series and is connected with the auxiliary circulation water quality purification device of the internal cooling system in parallel;
the main circulation power circulation device comprises a cooled device outlet pipeline module (21), a degassing tank electric heating integrated module (4), a degassing tank outlet pipeline module (22), a pump inlet pipeline module (23), a first ripple compensator (38), a first water pump (1), a second water pump (2), a second ripple compensator (39), a first pump outlet pipeline module (12), a second pump outlet pipeline module (13), a check valve (40), a front check valve outlet pipeline module (14), a check valve (40), a rear check valve outlet pipeline module (15), an external cooling inlet pipeline module (16), an external cooling outlet pipeline module (17), a first main filter pipeline module (18), a second main filter pipeline module (19) and a cooled device inlet pipeline module (20);
an external cooling inlet pipeline module (16) and an external cooling outlet pipeline module (17) in the main circulation power circulation device are respectively connected with an inlet and an outlet of an external cooling system through pipelines;
the pump inlet pipeline module (23) in the main circulation power circulation device is connected with an outlet pipeline of the auxiliary circulation water quality purifying device of the internal cooling system, and the external cooling outlet pipeline module (17) in the power circulation device is connected with an inlet pipeline of the auxiliary circulation water quality purifying device of the internal cooling system.
2. The power cycle apparatus of a high voltage dc transmission converter valve cooling system of claim 1, wherein: the device to be cooled outlet pipeline module (21), the degassing tank electric heating integrated module (4), the degassing tank outlet pipeline module (22), the pump inlet pipeline module (23), the first ripple compensator (38), the water pump, the second ripple compensator (39), the pump outlet pipeline module, the check valve (40), the front check valve outlet pipeline module (14), the check valve (40), the rear check valve outlet pipeline module (15), the external cooling inlet pipeline module (16), the external cooling system, the external cooling outlet pipeline module (17), the main filter pipeline module and the device to be cooled inlet pipeline module (20) are sequentially connected through pipelines to form a cooling loop of the high-voltage direct-current transmission converter valve cooling system;
the main circulation power circulation device further comprises a pump set leakage detection system, wherein the pump set leakage detection system comprises a pump emptying module (32) and a pump leakage detection module (31) which are connected in sequence, and an outlet of the pump leakage detection module (31) is connected with outlets of the first water pump (1) and the second water pump (2);
the main cycle power cycle device further comprises a frame system, wherein the frame system comprises a main machine platform type base module (3), a pump outlet pipeline support module (5), a pump inlet pipeline support module (6), an inlet and outlet support connecting support (7), an external cooling pipeline support module (8), a main filter outlet pipeline support module (9), a nameplate fixing frame module (10), a main filter channel steel support (11), a base cover plate module (24), a platform type terminal box module (25) and a platform type safety switch box module (26).
3. The power cycle apparatus of a high voltage dc transmission converter valve cooling system of claim 2, wherein:
the pump outlet pipeline support module (5), the pump inlet pipeline support module (6), the external cooling pipeline support module (8), the main filter outlet pipeline support module (9), the nameplate fixing frame module (10), the main filter channel steel support (11), the base cover plate module (24), the platform type terminal box module (25) and the platform type safety switch box module (26) are fixed on the host platform type base module (3) through bolts;
the pump outlet pipeline support module (5) and the pump inlet pipeline support module (6) are connected and fixed by the inlet and outlet support connecting support (7) through bolts.
4. The power cycle apparatus of a high voltage dc transmission converter valve cooling system of claim 2, wherein:
the first water pump (1) and the second water pump (2) are connected in parallel, the first water pump (1) is matched with the second pump outlet pipeline module (13), and the second water pump (2) is matched with the first pump outlet pipeline module (12);
the first main filter line module (18) and the second main filter line module (19) are connected in parallel;
a main filter differential pressure line module (30) is connected in parallel with the main filter line module.
5. The power cycle apparatus of a high voltage direct current transmission converter valve cooling system of claim 4, wherein:
the main filter pipeline module comprises a main filter, a mechanical filter with the precision of 100 mu m is arranged on a water inlet pipeline of a valve body, and a stainless steel filter core with small mesh standard water resistance is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320019430.2U CN219981358U (en) | 2023-01-05 | 2023-01-05 | Power circulation device of high-voltage direct-current transmission converter valve cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320019430.2U CN219981358U (en) | 2023-01-05 | 2023-01-05 | Power circulation device of high-voltage direct-current transmission converter valve cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219981358U true CN219981358U (en) | 2023-11-07 |
Family
ID=88597812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320019430.2U Active CN219981358U (en) | 2023-01-05 | 2023-01-05 | Power circulation device of high-voltage direct-current transmission converter valve cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219981358U (en) |
-
2023
- 2023-01-05 CN CN202320019430.2U patent/CN219981358U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110571684B (en) | Electrical switch cabinet cooling system and control method | |
| CN215121663U (en) | Large-scale server liquid cooling system with stable and reliable work | |
| CN203399464U (en) | Closed-type circulating cooling device | |
| CN113710057B (en) | Airborne single-phase immersed comprehensive circulation heat management system and airborne integrated comprehensive rack | |
| CN219981358U (en) | Power circulation device of high-voltage direct-current transmission converter valve cooling system | |
| CN109688763A (en) | A kind of high-power wind-driven generator group current transformer temperature control system | |
| CN213304184U (en) | Proton exchange membrane fuel cell purging system | |
| CN201226630Y (en) | Cooling device for rotary system | |
| CN208718778U (en) | A kind of petrochemical industry seawater is cooling to use step device | |
| CN111238023A (en) | Circulation freeze-proof device | |
| CN220594640U (en) | Simple filtering device for cooling system of pure electric vehicle | |
| CN220123329U (en) | Heavy current generator | |
| CN215979720U (en) | Be applied to offshore wind power's horizontal cooling pump station | |
| CN218974501U (en) | Insulation detection tool for high-voltage component of fuel cell | |
| CN221689138U (en) | Water-cooling heat exchange device | |
| CN219694524U (en) | High-low temperature endurance test platform for water valve | |
| CN215222893U (en) | High-capacity water cooling system for offshore wind power converter | |
| CN220818676U (en) | Integrated cooling device | |
| CN221137688U (en) | Charging gun cooling device | |
| CN219741010U (en) | Colliery high-voltage motor converter cooling device | |
| CN210220112U (en) | Air water cooling equipment and air water cooling system | |
| CN217131903U (en) | Cooling tower with heat recovery function | |
| CN216035006U (en) | A high-efficient water circle device for dock overhauls | |
| CN217010719U (en) | Automatic cooling system of rectifier cabinet | |
| CN215170435U (en) | Heating and dust removing system for conveying low-concentration gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |