CN109217632A - A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system - Google Patents
A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system Download PDFInfo
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- CN109217632A CN109217632A CN201710516775.8A CN201710516775A CN109217632A CN 109217632 A CN109217632 A CN 109217632A CN 201710516775 A CN201710516775 A CN 201710516775A CN 109217632 A CN109217632 A CN 109217632A
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- cooling tower
- aerial cooler
- closed cooling
- converter valve
- water
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20927—Liquid coolant without phase change
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention relates to a kind of direct-current transmission converter valve aerial cooler string cooling tower cooling systems, temperature sensor is provided on the coolant output tube road of aerial cooler subsystem, temperature for the coolant liquid flowed out in real-time detection aerial cooler subsystem coolant output tube road, control module accordingly controls whether investment closed cooling tower according to collected temperature information, the heat dissipation of converter valve, improving heat radiation efficiency are realized using the cooperation operation of aerial cooler and closed cooling tower.Compared to the mode of manual control, the timing for putting into closed cooling tower for when is very accurate, control high reliablity, the case where avoiding the occurrence of converter valve overheat operation, and, this is a kind of automatic control mode, is responsible for this part specially without specially arranging work personnel, reduces cost of labor.
Description
Technical field
The present invention relates to a kind of direct-current transmission converter valve aerial cooler string cooling tower cooling systems, belong to direct current transportation
Converter valve cooling technology field.
Background technique
The silicon-controlled converter valve of core element in DC transmission engineering can generate amount of heat in the process of running, need to lead to
The heat exchange equipment for crossing converter valve CRS Coolant Recovery System cools down it, to guarantee the normal working temperature of converter valve.Currently, conventional
There are mainly two types of heat exchange equipments: water cooling mode and cooling air mode.In general, water cooling mode is evaporative cooling tower, it is empty
Air cooling mode is aerial cooler.
Evaporative cooling tower due to the evaporation and concentration of shower water and partial discharge, needs regular replenishment fresh in the process of running
Shower water, additionally due to shower water be concentrated by evaporation after, hardness gradually rises, need to periodically discharge a certain amount of shower water to prevent
The only cooling tower coil pipe scale formation as caused by shower water excessive high hardness.Many converter stations are built at present lacks in northern arid
Water area, the feature in these areas is that summer temp is big compared with high and evaporated quantity of water.It due to the feature in these areas, and is reduction pair
The pollution at water source, does not usually select evaporative cooling tower as heat exchange equipment.Aerial cooler conduct is usually selected in these areas
Cooling equipment.And since converter station location environment temperature is relatively low, the change of current can be met using aerial cooler
Valve heat exchange demand.
But some areas are since extreme ambient temperature is excessively high, and since the cooling effect of aerial cooler depends on air
Dry-bulb temperature, therefore the temperature of cooling medium cannot be cooled to environment temperature or less.Such as the extreme ring in northwest somewhere at home
Border maximum temperature is up to 44 DEG C, and the permitted maximum of converter valve only has 40 DEG C into valve temperature, at this time only with aerial cooler
It is unable to satisfy the cooling requirement of converter valve.
Simultaneously because converter valve usually carries out the operation of big specification in summer, and environment temperature at this time is usually most
High, most extreme, aerial cooler tends not to cooling requirement required by meeting converter valve in the case, leads to converter station not
The form operation for obtaining and not taking load down, drop power, brings and is also unfavorable for the strong of national economy while great economic loss
Kang Fazhan.
With this condition, it is necessary to aerial cooler when using a kind of auxiliary cooling device to make up extreme highest environment temperature
The disadvantage of cooling capacity deficiency.To solve the above-mentioned problems, the Chinese patent application text that application publication number is CN102684454A
Disclose a kind of compound outer cooling system of direct-current transmission converter valve in part, including aerial cooler and closed cooling tower, air are cold
But device and closed cooling tower are arranged in series, converter valve output coolant liquid successively by control cooler and closed cooling tower it is cold
But converter valve is inputed to after, coolant liquid realizes the circulating cooling of converter valve in cycles.Under normal conditions, cooling system is arranged
In remote districts, if controlling whether that investment closed cooling tower is exchanged heat by way of manual control, one is artificial
Operating error is larger, for when put into closed cooling tower and when exit closed cooling tower timing it is not accurate enough,
And then may cause converter valve overheat operation, influence the safe operation of converter valve；Two control to need special staff,
So, it is necessary to which the personnel that specially arrange work are on duty in this remote districts progress, largely increase cost of labor.
Summary of the invention
The object of the present invention is to provide a kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system, to
Solve the problems, such as existing cooling system manually put into the control mode of closed cooling tower control precision it is lower.
To achieve the above object, the solution of the present invention includes a kind of direct-current transmission converter valve aerial cooler string cooling tower
Cooling system, including aerial cooler subsystem and closed cooling tower subsystem, closed cooling tower subsystem include that enclosed is cooling
Tower, aerial cooler subsystem are arranged in series with closed cooling tower, and the cooling system further includes that control module and setting exist
The first temperature sensor on the coolant output tube road of aerial cooler subsystem, control module sampling connection described the
It is cold accordingly to control enclosed according to the temperature of coolant liquid in the coolant output tube road of aerial cooler subsystem for one temperature sensor
But tower, to automatically control whether put into closed cooling tower.
The cooling system further includes the second temperature sensor for being arranged on the coolant inlet pipe road of converter valve,
The control module sampling connects the second temperature sensor, according to the temperature of coolant liquid in the coolant inlet pipe road of converter valve
The corresponding control closed cooling tower of degree, to automatically control whether exit closed cooling tower.
The closed cooling tower has been arranged in parallel the first electric control valve, on the coolant output tube road of the closed cooling tower
It is provided with the second electric control valve, third electric control valve, the control are provided on the coolant inlet pipe road of the closed cooling tower
The control of molding block connects first electric control valve, the second electric control valve and third electric control valve.
The aerial cooler subsystem is made of the aerial cooler that at least two redundancies are arranged.
Coolant liquid input there are two redundancy setting is set on the coolant inlet pipe road of the aerial cooler subsystem
Water pump.
The closed cooling tower subsystem includes water-collecting tray, spray water-circulating pump and nozzle, is had in the closed cooling tower
Heat exchange coil, the control module control connects the spray water-circulating pump, when closed cooling tower investment, in the water-collecting tray
Water by spray water-circulating pump and nozzles spray on the surface of heat exchange coil.
It is provided with PVC heat exchange layers in the closed cooling tower, sprays to the water on the surface of the heat exchange coil and passes through
The PVC heat exchange layers drop down onto water-collecting tray after carrying out cooling.
The closed cooling tower subsystem further includes spray water treatment facilities, and the spray water treatment facilities includes that other filter follows
Ring water pump and filter, the other filter water circulating pump, filter connect to form self-loopa filtering by pipeline with the water-collecting tray
Circuit.
It is provided in the closed cooling tower for stopping and being recycled to the water-collecting tray for the moisture in closed cooling tower
Water fender.
It is provided in the closed cooling tower for by the blower of heat discharge closed cooling tower, the control module to be controlled
Connect the blower.
Direct-current transmission converter valve provided by the invention is in aerial cooler string cooling tower cooling system, in aerial cooler
It is provided with temperature sensor on the coolant output tube road of subsystem, it is defeated for real-time detection aerial cooler subsystem coolant liquid
The temperature of the coolant liquid flowed out in pipeline out accordingly controls whether investment closed cooling tower according to temperature information, when temperature is greater than
When one setting value, control investment closed cooling tower realizes the change of current using the cooperation operation of aerial cooler and closed cooling tower
The heat dissipation of valve, improving heat radiation efficiency.Firstly, cooling system includes aerial cooler and closed cooling tower, closed cooling tower conduct
The auxiliary cooling device of aerial cooler guarantees that cooling system is still when aerial cooler cooling capacity deficiency when temperature is higher
It with enough cooling capacities, solves the problems, such as only can not effectively be radiated with aerial cooler, and can be cooling by air
The advantages of device and closed cooling tower, combines, and more effectively radiates, and water loss is considerably less in the process of running for the system, solves
Water loss excessive problem when only using cooling tower, so, it the exchange capability of heat of system had both been improved, had also effectively realized water-saving
With energy-efficient purpose.Moreover, passing through the temperature of the coolant liquid flowed out in detection aerial cooler subsystem coolant output tube road
Accordingly to control whether investment closed cooling tower, since converter valve and aerial cooler exchange heat, so, the temperature of converter valve
It is most embodied directly in the temperature of coolant liquid in aerial cooler coolant output tube road, then, it is controlled by detecting its temperature
Mode of this mode compared to manual control of closed cooling tower whether is put into, puts into the opportunity of closed cooling tower for when
The case where grasping very accurate, control high reliablity, avoiding the occurrence of converter valve overheat operation, also, this is a kind of automatic control
Mode is responsible for this part specially without specially arranging work personnel, reduces cost of labor.In addition, this control mode
Compared with the mode for controlling investment closed cooling tower according to environment temperature, since environment temperature can only reflect converter valve region
Environment temperature, can not reflect the temperature of converter valve at runtime itself, it is thus possible to which there are following situations: environment temperature is lower
When converter valve due to high-power operation, itself temperature is but very high；Alternatively, converter valve is due to low-power fortune when environment temperature is higher
Row, itself temperature is lower, in turn, in fact it could happen that controls situation below: when environment temperature is lower, closed cooling tower is exited,
But converter valve, due to high-power operation, itself temperature is very high, and closed cooling tower is needed to put into operation；Alternatively, environment temperature
When higher, closed cooling tower investment, for converter valve due to low power run, itself temperature is lower, without putting into cooling tower, only leans on
Aerial cooler can be met the requirements.Therefore, control investment closed cooling tower by using environment temperature, control precision compared with
It is low, it can not precisely control whether closed cooling tower puts into, and the present invention is put into using the coolant temperature of output
Control, can satisfy the secure heat dissipation of converter valve.
Detailed description of the invention
Fig. 1 is direct-current transmission converter valve aerial cooler string cooling tower schematic diagram of cooling system structure.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
The present embodiment provides a kind of direct-current transmission converter valve aerial cooler string cooling tower cooling systems, for direct current
Current transmission valve radiates, wherein direct-current transmission converter valve can be thyristor valves, IGBT converter valve, the IGCT change of current
The converter valve of a variety of principles such as valve, IGET converter valve and form.
The cooling system mainly includes two parts, and a part is aerial cooler subsystem, and another part is that enclosed is cooling
Tower subsystem.Wherein, in order to guarantee cooling efficiency and cool down reliability, aerial cooler subsystem is set by least two redundancies
The aerial cooler 3 set is constituted, as shown in Figure 1.Closed cooling tower subsystem includes closed cooling tower and other relevant portions,
Closed cooling tower is closed evaporation type cooling tower.As shown in Figure 1, aerial cooler subsystem, i.e. aerial cooler 3 and enclosed
Closed cooling tower 4 in cooling tower subsystem is arranged in series.Also, it is automatically controlled to realize, system further includes having control mould
Block (is not drawn into, can be conventional control chip) in figure, control module output control closed cooling tower 4.Aerial cooler 3
Coolant output tube road on be provided with temperature sensor TT01, the coolant output tube for real-time detection aerial cooler 3
The temperature of coolant liquid in road, control module sampling connection temperature sensor TT01.Temperature sensor TT01 in real time will be collected
Temperature is exported to control module, and control module controls whether closed cooling tower 4 comes into operation according to temperature information, specially following
Control strategy: when collected temperature value is greater than the first set target value (set target value is set according to actual needs)
When, control investment closed cooling tower 4, the i.e. operation of control 4 inside relevant device of closed cooling tower are realized aerial cooler 3 and are closed
Formula cooling tower 4 is used cooperatively, and is cooled down to converter valve.
Further, it is additionally provided with temperature sensor TT02 on the coolant inlet pipe road of converter valve, for adopting in real time
Collect the temperature of coolant liquid in the coolant inlet pipe road of converter valve, control module sampling connection temperature sensor TT02.So, warm
The test object for spending sensor TT02 is successively to pass through aerial cooler 3 and the coolant liquid after cooling of closed cooling tower 4.With sky
The temperature of the mating reaction of Gas Cooler 3 and closed cooling tower 4, converter valve gradually decreases, then, the coolant liquid input of converter valve
The temperature of coolant liquid is also gradually lowered in pipeline, when the temperature value that temperature sensor TT02 is detected is reduced to the second setting mesh
Scale value (set target value is set according to actual needs) below when, it is corresponding that control module controls the inside of closed cooling tower 4
Equipment downtime, closed cooling tower 4 are out of service.Therefore, by the way that temperature sensor TT02 is arranged, in the base of temperature sensor TT01
On plinth, it can be realized the investment of closed cooling tower 4 and exit control.
Mentioned above, aerial cooler 3 is arranged in series with closed cooling tower 4, is also meaned that, aerial cooler 3 exports
Coolant liquid regardless of when flow into closed cooling tower 4 in, coolant liquid is back to converter valve after flowing through closed cooling tower 4.
But the real meaning whether closed cooling tower 4 puts into is whether realize refrigerating function.When closed cooling tower 4 is not put into
When, relevant device is in shutdown status in closed cooling tower 4, and closed cooling tower 4 cannot achieve refrigerating function, and coolant liquid is only being changed
It is flowed through in hot coil 11, the effect of closed cooling tower 4 is only to provide circulation passage for coolant liquid；And when closed cooling tower 4 is put into
When, control module controls relevant device operation, closed cooling tower 4 in closed cooling tower 4 and just realizes refrigerating function, and coolant liquid is being closed
It is cooled in formula cooling tower 4.So passing through although the coolant liquid that aerial cooler 3 exports flows into closed cooling tower 4
The state of relevant device in closed cooling tower 4 is controlled, realizes that can closed cooling tower 4 realize refrigerating function, i.e., whether puts into.
Exiting for above-mentioned closed cooling tower 4 is not absolutely to exit, even if coolant liquid is still because closed cooling tower 4 exits
It is old to circulate inside it, then, in order to realize absolutely exiting for closed cooling tower 4, a bypass valve is additionally provided in system,
Closed cooling tower 4 can be bypassed by the bypass valve, it is the valve V1 in Fig. 1 which, which is a two-way valve,
It is arranged in parallel with closed cooling tower 4, is specifically arranged in parallel with the heat exchange coil 11 in closed cooling tower 4.Also, in heat exchange plate
The both ends of pipe 11 are each provided with a valve, wherein are provided with valve V2 on the coolant output tube road of heat exchange coil 11, exchange heat
Valve V3 is provided on the coolant inlet pipe road of coil pipe 11.These three valves are electric control valve, are realized certainly by control module
Dynamic control.So, when control puts into closed cooling tower 4, other than relevant device operation in control closed cooling tower 4, control
Molding block also control valve V1 is closed, and valve V2 and V3 are opened, and guarantees that cooling tower comes into operation；When closed cooling tower is exited in control
When 4, other than relevant device is shut down in control closed cooling tower 4, control module also control valve V1 is opened, valve V2 and V3
It closes, the coolant liquid that aerial cooler 3 exports will be returned directly in converter valve without closed cooling tower 4, and be passed through
Valve V2 and V3 can prevent coolant liquid and flow into closed cooling tower 4, and the circulation that closed cooling tower 4 no longer provides coolant liquid is logical
Road absolutely exits closed cooling tower 4.Moreover, these three valves can also realize the on-bne repair function of closed cooling tower 4, when
Closed cooling tower 4 break down when, such as 11 leak of heat exchange coil need to closed cooling tower 4 carry out on-bne repair when, pass through
Control module control: valve V1 is opened, and valve V2 and V3 are closed, and the coolant liquid that aerial cooler 3 exports is without closed cooling tower 4
And it is returned directly in converter valve, and coolant liquid can be prevented by valve V2 and V3 and flowed into closed cooling tower 4.In addition,
Exhaust-valve can also be arranged in closed cooling tower 4, by opening exhaust-valve, this part is cooling when cooling tower failure need to overhaul
Liquid emptying.
In addition, being provided with coolant liquid input water pump, on the coolant inlet pipe road of aerial cooler 3 in order to guarantee to imitate
Rate, coolant liquid inputs the number at least two of water pump, and redundancy is arranged, and in the present embodiment, coolant liquid inputs water pump the using and the reserved
Configuration is coolant liquid input water pump 1 and coolant liquid input water pump 2 respectively.
Since closed cooling tower 4 and other relevant portions have associated description in the prior art, the present embodiment is given
Following a kind of specific embodiment out.In addition, in the present embodiment, the auxiliary cooling capacity selection ground of closed cooling tower 4 are as follows: examine
Consider true heat gain value of the aerial cooler 3 when extreme highest dry-bulb temperature adds 3 DEG C of tropical island effects, insufficient section is cooling tower
Auxiliary cooling capacity.
As shown in Figure 1, closed cooling tower subsystem includes that water-collecting tray 8, spray water-circulating pump 5 and nozzle, water-collecting tray 8 are located at
The bottom of closed cooling tower 4.Also, blower fan of cooling tower is provided in closed cooling tower 4, including cooling tower fan 9 and cooling tower
Motor 10, for the heat in closed cooling tower 4 to be discharged to outside tower.So spraying water-circulating pump 5, cooling tower by control
Fan 9 and cooling tower electric machine 10 realize the input control of closed cooling tower 4.In addition, cooling tower electric machine 10 select power frequency motor and
Variable-frequency motor combination can be effectively controlled into valve temperature in stable range.
When closed cooling tower 4 puts into operation, spray water-circulating pump 5 extracts the water in water-collecting tray 8, and is reached by pipeline
Water in pipeline is sprayed at the surface of heat exchange coil 11 by nozzle, nozzle, is then return in water-collecting tray 8, realizes self-loopa.And
And it is provided with PVC heat exchange layers in closed cooling tower 4, the lower part of heat exchange coil 11, water-collecting tray 8 is arranged in PVC heat exchange layers
Top, PVC heat exchange layers have the function of efficiently cooling down, and spray to the water on the surface of heat exchange coil 11 passes through PVC heat exchange
Layer drops down onto water-collecting tray 8 after carrying out cooling with recycling.In addition, the water in water-collecting tray 8 will be by the more of closed cooling tower 4
Secondary evaporation and concentration circulation, spray impurities in water is excessive, growth of mushroom to avoid, and closed cooling tower subsystem is additionally provided with spray
Water treatment facilities, spray water treatment facilities include other filter water circulating pump 7 and filter 6, and filter 6 is sand medium filter, sand
Medium filter controls whether progress backwash by included fluid-valve, and individual back washing device is no longer arranged.Side filter water circulating pump
7, filter 6 and water-collecting tray 8 are by other filter circulation loop piping connection formation self circular loop, for the water in water-collecting tray 8
It is filtered.
In addition, these moisture are scattered to outside tower in order to prevent usually entrainment of many moisture in air-flow in closed cooling tower 4
The problem that water loss is excessive is caused, a water fender is provided in closed cooling tower 4, for by the water of entrained in air-flow
Divide and stop and be recycled in water-collecting tray 8, moisture returns to 8 circulated sprinkling of water-collecting tray by water fender gear, and the water of consumption is few.
Therefore, in the process of running, coolant liquid after heat temperature raising, inputs water pump 1 by coolant liquid in converter valve to converter valve
Or coolant liquid input water pump 2 is driven into aerial cooler 3 and exchanges heat, and is only radiated by aerial cooler 3, air
The coolant liquid that cooler 3 exports is back to converter valve, and coolant liquid so recycles in cycles.Due to cooling in usually only air
Device 3 radiates, then, it is generally the case that valve V1 is in the open state, and valve V2 and V3 are in close state, and enclosed is cold
But tower 4 is bypassed.When the temperature for the coolant liquid that aerial cooler 3 exports is higher than the first set target value, such as in summer pole
When holding environment temperature relatively high, control starting auxiliary cooling device --- closed cooling tower 4, i.e., in control closed cooling tower 4
Cooling tower fan 9, cooling tower electric machine 10 and spray water-circulating pump 5 put into operation, while control valve V1 close, valve V2 and
V3 is opened, and coolant liquid exchanges heat by closed cooling tower 4 again after being exchanged heat by aerial cooler 3.Pass through 3 He of aerial cooler
Closed cooling tower 4 is used cooperatively, and the temperature of coolant liquid gradually decreases, then, the temperature of converter valve gradually decreases.When through air
The temperature of cooler 3 and the coolant liquid after cooling of closed cooling tower 4 inputs to the temperature of the coolant liquid of converter valve lower than second
When set target value, indicate that the temperature of converter valve is no longer on a high level, control cooling tower fan 9, cooling tower electricity
Machine 10 and spray water-circulating pump 5 are out of service, and closed cooling tower 4 no longer comes into operation, also, control valve V1 is opened, valve
V2 and V3 are closed, and closed cooling tower 4 is bypassed, and coolant liquid, which only passes through aerial cooler 3 and carries out heat exchange, can meet cooling system
Heat exchange demand.
In addition, in entire cooling procedure, coolant liquid Closed Cycle be can effectively ensure that into the coolant liquid of converter valve
Cleanliness.In addition, 4 water loss of closed cooling tower only relates to evaporated water and fraction water amount of blowdown, compared to only using enclosed
Cooling tower 4 can effectively realize water-saving purpose as cooling equipment.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.Base of the invention
This thinking is such a direct-current transmission converter valve aerial cooler string cooling tower cooling system, in aerial cooler subsystem
Temperature sensor on the coolant output tube road of system, control module control whether that investment is closed according to the temperature sensor automatically
Formula cooling tower.Any specific embodiment based on the basic ideas is within the scope of the invention.
Claims (10)
1. a kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system, including aerial cooler subsystem and close
Formula cooling tower subsystem, closed cooling tower subsystem include closed cooling tower, aerial cooler subsystem and closed cooling tower string
Connection setting, which is characterized in that the cooling system further includes control module and the cooling that aerial cooler subsystem is arranged in
The first temperature sensor on liquid output channel, the control module sampling connects first temperature sensor, according to air
Whether the temperature of coolant liquid accordingly controls closed cooling tower in the coolant output tube road of cooler subsystem, thrown with automatically controlling
Enter closed cooling tower.
2. direct-current transmission converter valve according to claim 1 aerial cooler string cooling tower cooling system, feature exist
In the cooling system further includes the second temperature sensor for being arranged on the coolant inlet pipe road of converter valve, described
Control module sampling connects the second temperature sensor, according to the temperature phase of coolant liquid in the coolant inlet pipe road of converter valve
Closed cooling tower should be controlled, to automatically control whether exit closed cooling tower.
3. direct-current transmission converter valve according to claim 1 or 2 aerial cooler string cooling tower cooling system, feature
It is, the closed cooling tower has been arranged in parallel the first electric control valve, sets on the coolant output tube road of the closed cooling tower
It is equipped with the second electric control valve, third electric control valve, the control are provided on the coolant inlet pipe road of the closed cooling tower
Module control connects first electric control valve, the second electric control valve and third electric control valve.
4. direct-current transmission converter valve according to claim 1 or 2 aerial cooler string cooling tower cooling system, feature
It is, the aerial cooler subsystem is made of the aerial cooler that at least two redundancies are arranged.
5. direct-current transmission converter valve according to claim 1 or 2 aerial cooler string cooling tower cooling system, feature
It is, the coolant liquid input water there are two redundancy setting is set on the coolant inlet pipe road of the aerial cooler subsystem
Pump.
6. direct-current transmission converter valve according to claim 1 or 2 aerial cooler string cooling tower cooling system, feature
It is, the closed cooling tower subsystem includes water-collecting tray, spray water-circulating pump and nozzle, has heat exchange in the closed cooling tower
Coil pipe, the control module control connect the spray water-circulating pump, the water when closed cooling tower investment, in the water-collecting tray
By spray water-circulating pump and nozzles spray on the surface of heat exchange coil.
7. direct-current transmission converter valve according to claim 6 aerial cooler string cooling tower cooling system, feature exist
In being provided with PVC heat exchange layers in the closed cooling tower, spray to the water on the surface of the heat exchange coil described in passing through
PVC heat exchange layers drop down onto water-collecting tray after carrying out cooling.
8. direct-current transmission converter valve according to claim 6 aerial cooler string cooling tower cooling system, feature exist
In the closed cooling tower subsystem further includes spray water treatment facilities, and the spray water treatment facilities includes other filter recirculated water
Pump and filter, the other filter water circulating pump, filter connect to form self-loopa filtration circuit by pipeline with the water-collecting tray.
9. direct-current transmission converter valve according to claim 6 aerial cooler string cooling tower cooling system, feature exist
In being provided in the closed cooling tower for stopping and being recycled to the water blocking of the water-collecting tray for the moisture in closed cooling tower
Plate.
10. direct-current transmission converter valve according to claim 6 aerial cooler string cooling tower cooling system, feature exist
In being provided in the closed cooling tower for by the blower of heat discharge closed cooling tower, control module control connection
The blower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710516775.8A CN109217632A (en) | 2017-06-29 | 2017-06-29 | A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system |
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| CN201710516775.8A CN109217632A (en) | 2017-06-29 | 2017-06-29 | A kind of direct-current transmission converter valve aerial cooler string cooling tower cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494021A (en) * | 2019-08-29 | 2019-11-22 | 成都国恒空间技术工程有限公司 | A kind of closed case with Two-way Cycle cooling system used under alternating temperature-changing |
| CN111328252A (en) * | 2020-04-01 | 2020-06-23 | 云南电网有限责任公司楚雄供电局 | Temperature-saving device of converter station valve external cooling system |
| CN111587030A (en) * | 2020-04-27 | 2020-08-25 | 南京南瑞继保电气有限公司 | Control method of air cooler of converter valve cooling system, electronic equipment and cooling system |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782345A (en) * | 2009-12-22 | 2010-07-21 | 华南理工大学 | Lamella heat exchanger and manufacturing method thereof and lamella evaporative condensing equipment |
| CN102305554A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Evaporation condenser |
| CN102368615A (en) * | 2011-09-30 | 2012-03-07 | 广州高澜节能技术股份有限公司 | SVC (static vary compensation) closed type circulating pure water cooling system |
| CN102435032A (en) * | 2011-12-01 | 2012-05-02 | 国家电网公司 | Sealed type circulating water cooling device and method |
| CN202403476U (en) * | 2011-12-01 | 2012-08-29 | 国家电网公司 | Sealed and circular water cooling device |
| CN202435232U (en) * | 2011-12-01 | 2012-09-12 | 国家电网公司 | Circulation cooling system |
| CN102684454A (en) * | 2012-04-27 | 2012-09-19 | 广州高澜节能技术股份有限公司 | Composite external cooling system for DC power transmission converter valve |
| CN202565148U (en) * | 2012-04-27 | 2012-11-28 | 广州高澜节能技术股份有限公司 | DC power transmission converter valve complex outer cooling system |
| CN103582396A (en) * | 2013-11-06 | 2014-02-12 | 国家电网公司 | Outer cooling system with stored cold for direct current converter valve and operation method thereof |
| CN204285627U (en) * | 2014-11-06 | 2015-04-22 | 许昌许继晶锐科技有限公司 | A kind of converter valve and valve Room associating heat-exchange system |
| CN204535192U (en) * | 2014-12-22 | 2015-08-05 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve cooling system |
| CN205156720U (en) * | 2015-11-26 | 2016-04-13 | 国网河南省电力公司检修公司 | Outer air -cooled air cooler low temperature drainage device of HVDC converter valve |
-
2017
- 2017-06-29 CN CN201710516775.8A patent/CN109217632A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782345A (en) * | 2009-12-22 | 2010-07-21 | 华南理工大学 | Lamella heat exchanger and manufacturing method thereof and lamella evaporative condensing equipment |
| CN102305554A (en) * | 2011-04-29 | 2012-01-04 | 苏州市吴赣药业有限公司 | Evaporation condenser |
| CN102368615A (en) * | 2011-09-30 | 2012-03-07 | 广州高澜节能技术股份有限公司 | SVC (static vary compensation) closed type circulating pure water cooling system |
| CN102435032A (en) * | 2011-12-01 | 2012-05-02 | 国家电网公司 | Sealed type circulating water cooling device and method |
| CN202403476U (en) * | 2011-12-01 | 2012-08-29 | 国家电网公司 | Sealed and circular water cooling device |
| CN202435232U (en) * | 2011-12-01 | 2012-09-12 | 国家电网公司 | Circulation cooling system |
| CN102684454A (en) * | 2012-04-27 | 2012-09-19 | 广州高澜节能技术股份有限公司 | Composite external cooling system for DC power transmission converter valve |
| CN202565148U (en) * | 2012-04-27 | 2012-11-28 | 广州高澜节能技术股份有限公司 | DC power transmission converter valve complex outer cooling system |
| CN103582396A (en) * | 2013-11-06 | 2014-02-12 | 国家电网公司 | Outer cooling system with stored cold for direct current converter valve and operation method thereof |
| CN204285627U (en) * | 2014-11-06 | 2015-04-22 | 许昌许继晶锐科技有限公司 | A kind of converter valve and valve Room associating heat-exchange system |
| CN204535192U (en) * | 2014-12-22 | 2015-08-05 | 许昌许继晶锐科技有限公司 | A kind of direct-current transmission converter valve cooling system |
| CN205156720U (en) * | 2015-11-26 | 2016-04-13 | 国网河南省电力公司检修公司 | Outer air -cooled air cooler low temperature drainage device of HVDC converter valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494021A (en) * | 2019-08-29 | 2019-11-22 | 成都国恒空间技术工程有限公司 | A kind of closed case with Two-way Cycle cooling system used under alternating temperature-changing |
| CN111328252A (en) * | 2020-04-01 | 2020-06-23 | 云南电网有限责任公司楚雄供电局 | Temperature-saving device of converter station valve external cooling system |
| CN111587030A (en) * | 2020-04-27 | 2020-08-25 | 南京南瑞继保电气有限公司 | Control method of air cooler of converter valve cooling system, electronic equipment and cooling system |
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Address after: No. 1666, Jinlong street, economic and Technological Development Zone, Xuchang City, Henan Province Applicant after: Henan Jingrui Cooling Technology Co., Ltd Address before: Xuchang City, Henan province 461000 Sunshine Avenue XJ Electric City Building 2 Applicant before: XUCHANG XUJI JINGRUI TECHNOLOGY Co.,Ltd. |
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