CN201805345U - Airtight circulating pure water cooling constant temperature constant pressure control system for converter valve - Google Patents
Airtight circulating pure water cooling constant temperature constant pressure control system for converter valve Download PDFInfo
- Publication number
- CN201805345U CN201805345U CN2009202634557U CN200920263455U CN201805345U CN 201805345 U CN201805345 U CN 201805345U CN 2009202634557 U CN2009202634557 U CN 2009202634557U CN 200920263455 U CN200920263455 U CN 200920263455U CN 201805345 U CN201805345 U CN 201805345U
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- converter valve
- control system
- constant temperature
- pure water
- pressure control
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Abstract
The utility model discloses an airtight circulating pure water cooling constant temperature constant pressure control system for a converter valve, which comprises a main circulating water pump, a cooling system, a heating system and a degassing tank, wherein, the main circulating water pump is connected with a host computer control system; the main circulating water pump, the cooling system, the heating system and the degassing tank are connected through pipelines so as to form a circulation loop; and a converter valve access port is formed on the pipeline between the cooling system and the heating system. The airtight circulating pure water cooling constant temperature constant pressure control system for the converter valve can simulate the cooling system of the converter valve, test the pressure and the temperature of the converter valve, perform characteristic tests on the converter valve through the heating system and the cooling system under the constant temperature and constant pressure, provide references to the design of the cooling system of the converter valve, provide reliable guarantee to the stable operation of the converter valve, and greatly improve the safety of power grid construction.
Description
Technical field
The utility model relates to a kind of control system, particularly a kind of extra-high voltage direct-current transmission thyristor converter valve hermetic circulating type pure water cooling constant temperature and pressure control system that is used for.
Background technology
Sending electricity and big grid power field, interchange is being become direct current or the converter valve that direct current becomes interchange is widely used.Because its operating voltage grade can be up to ± 800kv, therefore power can will have a large amount of heats to produce up to 6000MW during operation, and therefore according to I EEE and national standard, the type of cooling of converter valve adopts the pure water cooling.Yet, improper if converter valve cooling system parameter in the long-play process is provided with, can damage converter valve, cause serious consequence.But nowadays but do not have effectively means come the particular requirement of converter valve is tested in practice, can't pre-determine the parameter setting of converter valve actual motion.
The utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of equipment that can simulate the converter valve water-cooling system, with the characterisitic parameter of convenient test converter valve under various steady temperatures, constant pressure, for converter valve stable operation in actual applications provides effective guarantee.
The technical scheme that the invention for solving the technical problem adopted is:
A kind of converter valve hermetic circulating type pure water cooling constant temperature and pressure control system comprises the major cycle water pump, cooling system, heating system and the degassing filling that are connected with upper computer control system; Described major cycle water pump, cooling system, heating system and the degassing are irritated by pipeline and are coupled together the formation circulation circuit, and the pipeline between described cooling system and the heating system is provided with the converter valve access port.
As improvement of the technical scheme, described cooling system comprises the spray water pump and the blower fan of the pipeline side that is arranged on the multiple tracks bending.
As further improvement in the technical proposal, described heating system comprises a plurality of electric heaters.
As further improvement in the technical proposal, described major cycle water pump has two, is arranged in parallel between cooling system and degassing tank.
As further improvement in the technical proposal, also have access to water charging system in the described pipeline.
As further improvement in the technical proposal, described water charging system comprises small pump.
As further improvement in the technical proposal, described converter valve access port is provided with a plurality of.
As further improvement in the technical proposal, described upper computer control system is the PLC control system.
As further improvement in the technical proposal, described pipeline is provided with and detects the loop instrument of pressure, temperature everywhere.
The beneficial effects of the utility model are: the cooling system that converter valve hermetic circulating type pure water cooling constant temperature and pressure control system of the present utility model can be simulated converter valve, to its pressure, temperature is tested, by heating, cooling system converter valve is carried out characteristic test under the constant temperature and pressure, for the design of converter valve cooling system provides reference, for converter valve stable operation provides reliable guarantee, can greatly improve the fail safe of power grid construction.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model principle schematic;
Fig. 2 is the utility model structural representation.
Embodiment
With reference to Fig. 1, Fig. 2, a kind of converter valve hermetic circulating type pure water cooling constant temperature and pressure control system of the present utility model comprises the major cycle water pump 1, cooling system 2, heating system 3 and the degassing filling 4 that are connected with upper computer control system; Described major cycle water pump 1, cooling system 2, heating system 3 and degassing filling 4 couple together by pipeline and form the loop, and the pipeline between described cooling system 2 and the heating system 3 is provided with converter valve access port 5.The cooling system that converter valve hermetic circulating type pure water cooling constant temperature and pressure control system of the present utility model can be simulated converter valve, to its pressure, temperature is tested, by heating, cooling system converter valve is carried out characteristic test under the constant temperature and pressure, for the design of converter valve cooling system provides reference, for converter valve stable operation provides reliable guarantee, can greatly improve the fail safe of power grid construction.
Described cooling system 2 comprises the spray water pump 21 and the blower fan 22 of the pipeline side that is arranged on the multiple tracks bending.When automatic cooling test pattern, when advancing the valve temperature and being higher than target temperature, blower fan directly starts, spray pump operation simultaneously.Blower fan stops when being lower than target temperature, and spray pump is stopped transport simultaneously.The start and stop of spray Pumps ﹠ Fans are synchronous.When automatic heat run pattern, when the ion-exchanger inflow temperature is higher than design temperature, fan starting.Wherein, the startup of blower fan is controlled by the fan starting temperature of setting, and the start-up temperature of blower fan can be set at the OP parameter setting page, and PLC controls the startup of blower fan automatically according to the fan starting temperature of setting.And test product valve is when advancing the valve temperature and being lower than target temperature-1 ℃, and blower fan continues behind the operation certain hour out of service.
Described heating system 3 comprises a plurality of electric heaters 31.The start and stop control of electric heater is only being carried out under the heat run pattern automatically, and refrigerating mode does not participate in temperature control.Can control single or multiple electric heater work according to different demands.
Described major cycle water pump 1 has two, is arranged in parallel between cooling system 2 and degassing tank 4.Two circulating water pumps can the using and the reserved, prevent when certain pump from breaking down standby.
Also have access to water charging system in the described pipeline.Can in the loop, carry out replenishing of recirculated water.As preferably, described water charging system comprises small pump 11, can the water in the water tank be replenished by small pump 11 to enter in the circulation circuit.
Described converter valve access port 5 is provided with a plurality of, can test a plurality of converter valve simultaneously like this, for example, inserts four converter valve 51 simultaneously, and wherein two is the high-voltage commutation valve, and two is the low pressure converter valve in addition.
Described upper computer control system is the PLC control system, adopts the redundant system of Siemens S7-300 series, with the CPU of redundancy, long-distance distribution formula I/O module as the field control core, can fully realize each subsystem precisely, stable control.Simultaneously, PLC field control system and ipc monitor system adopt multimode fiber and Industrial Ethernet FC standard cable dual link ethernet communication, fully reach real-time communication, etc. the time synchronous reliable communicating requirement.
Described pipeline is provided with and detects the loop instrument of pressure, temperature everywhere, visual and accurately obtains various technical parameters.
In addition, on the utility model basis, make improvements slightly, also can realize conductivity control and constant flux control the converter valve cooling control system, more practical, give unnecessary details no longer one by one at this.
Certainly, the invention is not limited to above-mentioned execution mode, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. a converter valve hermetic circulating type pure water cooling constant temperature and pressure control system is characterized in that: comprise the major cycle water pump (1), cooling system (2), heating system (3) and the degassing filling (4) that are connected with upper computer control system; Described major cycle water pump (1), cooling system (2), heating system (3) and the degassing are irritated (4) and are coupled together the formation circulation circuit by pipeline, and the pipeline between described cooling system (2) and the heating system (3) is provided with converter valve access port (5).
2. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1, it is characterized in that: described cooling system (2) comprises the spray water pump (21) and the blower fan (22) of the pipeline side that is arranged on the multiple tracks bending.
3. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1, it is characterized in that: described heating system (3) comprises a plurality of electric heaters (31).
4. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1, it is characterized in that: described major cycle water pump (1) has two, is arranged in parallel between cooling system (2) and degassing tank (4).
5. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1 and 2, it is characterized in that: described converter valve access port (5) is provided with a plurality of.
6. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1, it is characterized in that: described upper computer control system is the PLC control system.
7. converter valve hermetic circulating type pure water cooling constant temperature and pressure control system according to claim 1 is characterized in that: described pipeline is provided with and detects the loop instrument of pressure, temperature everywhere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202634557U CN201805345U (en) | 2009-11-26 | 2009-11-26 | Airtight circulating pure water cooling constant temperature constant pressure control system for converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202634557U CN201805345U (en) | 2009-11-26 | 2009-11-26 | Airtight circulating pure water cooling constant temperature constant pressure control system for converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201805345U true CN201805345U (en) | 2011-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202634557U Expired - Lifetime CN201805345U (en) | 2009-11-26 | 2009-11-26 | Airtight circulating pure water cooling constant temperature constant pressure control system for converter valve |
Country Status (1)
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| CN (1) | CN201805345U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564490A (en) * | 2011-12-19 | 2012-07-11 | 北京国电富通科技发展有限责任公司 | Method for judging abnormality of detection value of redundant instrument in water-cooled system of converter valve |
| CN102583595A (en) * | 2012-03-08 | 2012-07-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN103018428A (en) * | 2012-12-06 | 2013-04-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Test and detection apparatus for ion exchange resin of direct-current power transmission valve cooling system |
| CN103760837A (en) * | 2013-11-04 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Cooling tower scale-inhibition testing apparatus control system of direct-current valve cooling system |
| CN104955318A (en) * | 2015-07-07 | 2015-09-30 | 国网上海市电力公司 | Water tank system for inner cooling water storage |
| CN113835980A (en) * | 2021-06-22 | 2021-12-24 | 国网宁夏电力有限公司检修公司 | Test system for valve cooling control protection system |
-
2009
- 2009-11-26 CN CN2009202634557U patent/CN201805345U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564490A (en) * | 2011-12-19 | 2012-07-11 | 北京国电富通科技发展有限责任公司 | Method for judging abnormality of detection value of redundant instrument in water-cooled system of converter valve |
| CN102583595A (en) * | 2012-03-08 | 2012-07-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN102583595B (en) * | 2012-03-08 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Purification and detection system for pure water used for cooling converter valve |
| CN103018428A (en) * | 2012-12-06 | 2013-04-03 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Test and detection apparatus for ion exchange resin of direct-current power transmission valve cooling system |
| CN103760837A (en) * | 2013-11-04 | 2014-04-30 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Cooling tower scale-inhibition testing apparatus control system of direct-current valve cooling system |
| CN104955318A (en) * | 2015-07-07 | 2015-09-30 | 国网上海市电力公司 | Water tank system for inner cooling water storage |
| CN104955318B (en) * | 2015-07-07 | 2017-08-25 | 国网上海市电力公司 | A kind of inner cold water storage tank system |
| CN113835980A (en) * | 2021-06-22 | 2021-12-24 | 国网宁夏电力有限公司检修公司 | Test system for valve cooling control protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU GOALAND ENERGY CONSERVATION TECH (HOLDIN Free format text: FORMER OWNER: GUANGZHOU CITY GOALAND WATER TECHNOLOGY CO., LTD. Effective date: 20110804 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510000 GUANGZHOU, GUANGDONG PROVINCE TO: 510663 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110804 Address after: 510663 Guangzhou, Guangzhou, south of science and technology in the city of Guangdong Road No. five, No. 3 Patentee after: Guangzhou Goaland Energy Conservation Tech Co., Ltd. Address before: 510000, Guangdong Province, Guangzhou Science City, South Road, No. five, cloud 3 Patentee before: Guangzhou City Goaland Water Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |