CN102818398B - Intelligent air cooling island and control method thereof - Google Patents
Intelligent air cooling island and control method thereof Download PDFInfo
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- CN102818398B CN102818398B CN201210259167.0A CN201210259167A CN102818398B CN 102818398 B CN102818398 B CN 102818398B CN 201210259167 A CN201210259167 A CN 201210259167A CN 102818398 B CN102818398 B CN 102818398B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The invention discloses an intelligent air cooling island and a control method of the intelligent air cooling island. The intelligent air cooling island comprises an air cooling island, an absorbing type refrigerator, a first heat exchanger, a second heat exchanger, a cold air fan and a control unit; the absorbing refrigerator is used for absorbing exhaust heat from a turbine or heat of condensing water from the air cooling island, and outputting refrigerant water to the first heat exchanger and the second heat exchanger; the first heat exchanger is used for exchanging the exhaust heat of the turbine to reduce the temperature of the exhaust heat of the turbine in an inlet of the air cooling island; the second heat exchanger is used for conveying cold air to the bottom of the air cooling island; the cold air fan is used for conveying the cold air from the second heat exchanger to the bottom of the air cooling island; and the control unit is electrically connected with the absorbing type refrigerator, the cold air fan and the air cooling island for collecting information such as flow and temperature of the air cooling island, air temperature, air speed, atmosphere temperature, environment air speed, boiler load and the like to automatically generate control signals and controlling the absorbing type refrigerator, the cold air fan and the axial flow fan of the air cooling island. According to the intelligent air cooling island, the efficiency of air cooling of the island in hot summer can be improved and the electricity consumption can be reduced.
Description
Technical field
The present invention relates to Air-Cooling Island optimizing operation field, thermal power plant, particularly relate to and a kind ofly improve the Intelligent air cool island that Air-Cooling Island efficiency under hot weather in summer reduces power consumption.
Background technology
In dry, that colliery is near coal-mine and other water resources are limited, use water cost is high area, thermal power plant can adopt air cooling technique to reach the object of water saving usually, and being also applicable to limited space in city can not build the place of wet cooling tower to air cooling simultaneously.Existing unit operation effect shows, Direct Air-cooled Unit is even more than the water saving 65% of water condenser generating set.But when summer environment temperature is higher, Air-cooled Unit there will be vacuum and reduces, and unit generation efficiency reduces, and even force whole unit load down to run, high temperature season cannot reach designing requirement.
After operation, Air-Cooling Island environment temperature field is than the high 2-3 DEG C of weather forecast, and when environment temperature is more than 32 DEG C, back pressure increases, and coal consumption increases, and boiler efficiency reduces 10%-30%, even shuts down.In Air-Cooling Island equipment, the temperature of air cooling heat radiator entrance is very large on the impact of its thermodynamic property, if inlet temperature is higher than environment temperature, heat transfer temperature difference will be made to reduce, and reduce heat-transfer capability, make heat transfer deterioration, directly affect exerting oneself and safe operation of unit.Show according to operative practice, when air cooler inlet temperature is greater than environment temperature 5 DEG C, can make logarithmic mean temperature difference (LMTD) be 15 DEG C air cooler reduce heat output 30%.When causing due to natural cause Air-Cooling Island inlet temperature too high, effectively cannot reduce temperature, and making Air-Cooling Island be difficult to normal work.
For steam turbine, when operating back pressure is at 5-18kpa, steamer function reaches rated power, when steam turbine is at most high back pressure 25.55-18kpa, load shedding.Because air cooling is to reducing electrical power generation steam temperature, cause high back pressure and the large change of back pressure, make steam turbine cannot safe operation.
Generator steam through the cooled water temperature of Air-Cooling Island generally at 15 DEG C--between 33 DEG C, turbine back pressure is between 5-11kpa.Part power plant actual motion shows: within 1 year, temperature rises to 32 DEG C from-28 DEG C, and corresponding delivery temperature is 28.6 DEG C--65.4 DEG C, corresponding exhaust back pressure is 3.92kpa-25.50 kpa.When environment temperature rises to more than 38 DEG C, because temperature cannot be reduced to service requirement by Air-Cooling Island condensing unit, corresponding delivery temperature can up to 80 DEG C, and corresponding exhaust back pressure is 60.50 kpa, makes gross coal consumption rate often spend increase by 40-60 grams.So just make generating efficiency greatly reduce, even may occur shutting down.
Existing technology is: carry out demineralized water spray to Air-Cooling Island during Air-cooled Unit summer high temperature, utilize evaporation of water absorb heat, carry out auxiliary temperature-reducing, or between axial flow blower and Air-Cooling Island condenser layout water atomization plant, utilize atomized water to evaporate and absorb heat, carry out auxiliary temperature-reducing.These two kinds of technical scheme Problems existing are: Air-cooled Unit itself build limited place, water source in, demineralized water spray one needs a large amount of water, consume the water resource that this is nervous, two is spray, the atomization a set of flow pressure control device of needs and spray, atomising device, need to consume electric energy, improve station service power consumption rate.
Summary of the invention
In order to solve above-mentioned consumption of water resource and power consumption problem, the present invention carries out demineralized water spray, spraying to Air-Cooling Island during casting out original Air-cooled Unit summer high temperature, utilize evaporation of water to absorb the method for cooling of heat, a kind of using water wisely is provided, reduce power consumption and the high Intelligent air cool island of refrigerating efficiency.
The object of the present invention is achieved like this: described Intelligent air cool island comprises an Air-Cooling Island with N number of axial flow blower (wherein N is greater than 2), Absorption Refrigerator, First Heat Exchanger, the second heat exchanger, cold wind blower fan and control unit.The entrance of described Absorption Refrigerator directly connects the weary heat of steam turbine discharge, or through the weary heat of First Heat Exchanger heat exchange, or Air-Cooling Island exports condensate water, for absorbing the heat of the weary heat of steam turbine or Air-Cooling Island condensate water, export chilled water to First Heat Exchanger, the second heat exchanger; Described First Heat Exchanger is arranged on the weary hot entrance of steam turbine of Air-Cooling Island, for directly carrying out heat exchange to the weary heat of steam turbine, reduces the weary hot temperature degree of steam turbine of Air-Cooling Island entrance; Described second heat exchanger is arranged on the bottom of Air-Cooling Island, for producing cold air in the bottom of Air-Cooling Island; Described cold wind blower fan is arranged on below the second heat exchanger, is transported to bottom Air-Cooling Island for the cold air that the second heat exchanger is produced; Described control unit is electrically connected with Absorption Refrigerator, cold wind blower fan and Air-Cooling Island.
The absorption chiller of described Intelligent air cool island comprises generator, condenser, evaporimeter, absorber, heat exchanger, circulating pump, cooling tower, the weary heat that described generator and steam turbine are discharged or Air-Cooling Island export condensate water and are connected, described evaporimeter connects First Heat Exchanger, the second heat exchanger, and described cooling tower is arranged on below Air-Cooling Island axial flow blower.
The control unit of described Intelligent air cool island comprises information acquisition unit and information process unit, and described information acquisition unit comprises N number of temperature sensor, N number of flow sensor, N number of wind-warm syndrome air velocity transducer, boiler load information acquisition device, atmosphere temperature transducer, ambient wind velocity sensor.
The control method of Intelligent air cool island comprises the following steps:
On the generator of all condenser of A, the entrance temperature sensor of information acquisition unit being arranged on the weary heat of Air-Cooling Island steam turbine, the outlet of Air-Cooling Island condensate water, Air-Cooling Island, absorption chiller and evaporimeter, First Heat Exchanger, the second heat exchanger, for measuring tempeature; The flow sensor of information acquisition unit is arranged on the porch of the weary heat of Air-Cooling Island steam turbine, the outlet of Air-Cooling Island condensate pipe, the generator of absorption chiller and evaporimeter, for measuring flow; The wind-warm syndrome air velocity transducer of information acquisition unit is arranged on cold wind blower fan, between the condenser of Air-Cooling Island and axial flow blower, the top of the condenser of Air-Cooling Island or axial flow blower bottom, for measuring Air-Cooling Island inside, top, bottom, the temperature of cold wind blower fan place wind and speed; Boiler load information acquisition device is connected with Boiler DCS System, for gathering the boiler load of steam turbine;
B, information acquisition unit are by temperature sensor, flow sensor, wind-warm syndrome air velocity transducer, boiler load information acquisition device, atmosphere temperature transducer, ambient wind velocity sensor, the temperature of collecting temperature, flow, wind and speed, the temperature of air, the air speed data of environment and boiler load data, and send these data to information process unit;
C, information process unit are become control signal after receiving the data of information acquisition unit, control the opening of the axial flow blower of the circulating pump of Absorption Refrigerator, cold wind blower fan and Air-Cooling Island, constantly running respectively.
The present invention, owing to adopting above technical scheme, has the following advantages:
1, generator steam is dropped to most suitable temperature through the cooled water temperature of Air-Cooling Island, under the condition that boiler load is certain, Based Intelligent Control starts minimum axial flow blower, makes fan consume minimum electric energy, to reach reduction turbine back pressure, improve the object of turbine efficiency;
2, adopt absorption refrigeration machine technology, directly utilize the weary refrigeration heat of gas turbine exhaust gas, cold air is transported to Air-Cooling Island axial flow blower air intake vent, improve the rate of heat exchange of Air-Cooling Island in summer.In winter, utilize the large quantity sensor arranged, automatically produce direction and speed that control signal controls each axial flow blower in real time, prevent winter Air-Cooling Island condenser from freezing, be split up.
3, utilize heat exchanger and Air-Cooling Island import hot water to carry out heat exchange, not only improve the heat exchanger effectiveness of Air-Cooling Island, improve the utilization rate of weary heat simultaneously, also effectively control unit back pressuce and raise, thoroughly solve the impact of torridity summer Air-cooled Unit.
Accompanying drawing explanation
Fig. 1 is general illustration of the present invention;
Fig. 2 is control unit schematic diagram of the present invention;
Fig. 3 is Absorption Refrigerator schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, Intelligent air cool island of the present invention comprise an Air-Cooling Island 1(with N number of axial flow blower 2 wherein N be greater than 2), Absorption Refrigerator 3, First Heat Exchanger 4, second heat exchanger 5, cold wind blower fan 6 and control unit 7.Fa Re mono-tunnel that steam turbine is directly discharged, after First Heat Exchanger 4 heat exchange, enters the weary hot entrance of Air-Cooling Island 1.Air-Cooling Island 1 exports condensate water, enters the entrance of Absorption Refrigerator 3.Weary heat directly discharged by another road steam turbine that also has simultaneously entering Absorption Refrigerator 3 entrance, and through the weary heat of First Heat Exchanger 4 heat exchange.
After Absorption Refrigerator 3 absorbs the weary heat of steam turbine and the heat of Air-Cooling Island 1 condensate water, export two-way chilled water, a road to First Heat Exchanger 4, another road to the second heat exchanger 5.First Heat Exchanger 4 is arranged on the weary hot entrance of Air-Cooling Island 1, and the chilled water of its circulation absorbing type refrigeration machine 3 conveying, directly carries out heat exchange to the weary heat that steam turbine is discharged, and reduces the temperature of Air-Cooling Island 1 entrance; Second heat exchanger 5 is arranged on the bottom of Air-Cooling Island 1, the chilled water of its circulation absorbing type refrigeration machine 3 conveying, cold wind blower fan 6 is arranged on below the second heat exchanger 5, by cold wind blower fan 6, cold air is transported to Air-Cooling Island air intake vent, under Air-Cooling Island, form the positive compressed-air system in local simultaneously, prevent hot air reflux; Or the second heat exchanger 5 is arranged on axial flow blower 2 bottom of Air-Cooling Island, and the wind utilizing axial flow blower itself to produce carries out heat exchange; Control unit 7 is electrically connected with Absorption Refrigerator 3, cold wind blower fan 6 and Air-Cooling Island 1, for gathering the information such as boiler load, wind-warm syndrome wind speed, atmospheric temperature, ambient wind velocity, flow, temperature, automatic generation control signal, controls the operation of Absorption Refrigerator 3, cold wind blower fan 6 and Air-Cooling Island axial flow blower 2.
As shown in Figure 2, control unit 7 of the present invention comprises information acquisition unit 11 and information process unit 12, in control procedure, make use of aerodynamic principle.Information acquisition unit 11 comprises N number of temperature sensor 8, N number of flow sensor 9, N number of wind-warm syndrome air velocity transducer 10, boiler load information acquisition device 13, atmosphere temperature transducer 14, ambient wind velocity sensor 15, and wherein N is greater than 2.Control method of the present invention comprises the steps:
Temperature sensor 8 is arranged on all condensers of the entrance of Air-Cooling Island exhaust steam in steam turbine, the outlet of Air-Cooling Island condensate water, Air-Cooling Island, the generator of absorption chiller and evaporimeter, First Heat Exchanger, the second heat exchanger, for measuring tempeature;
Flow sensor 9 arranges on the porch of Air-Cooling Island exhaust steam in steam turbine, the outlet of Air-Cooling Island condensate pipe, the generator of absorption chiller and evaporimeter, for measuring flow;
Described wind-warm syndrome air velocity transducer 10 is arranged on axial flow blower, between the condenser of Air-Cooling Island and axial flow blower, the top of the condenser of Air-Cooling Island or axial flow blower bottom, between axial flow blower and the second heat exchanger and the top of the second heat exchanger, for measure Air-Cooling Island inside, top, bottom and and the second heat exchanger between the temperature of wind and the speed of wind;
Boiler load information acquisition device 13, is connected with Boiler DCS System, for gathering the boiler load of steam turbine; Atmosphere temperature transducer 14 is for gathering the temperature of air, and ambient wind velocity sensor 15 is for gathering the wind speed of environment, and they can be placed in the outside of Air-Cooling Island, or other are suitable for the place gathering atmospheric temperature, ambient wind velocity.
By installing the sensors such as all kinds of wind speed, air themperature additional at places such as Air-Cooling Island, heat exchanger, cold wind blower fan, axial flow blower, absorption chiller, the information acquisition unit 11 of intelligent control unit 7 is the temperature of the entrance of the Air-Cooling Island collected, Absorption Refrigerator, outlet, flow, the data such as the wind-warm syndrome wind speed of Air-Cooling Island axial flow blower, from the boiler load parameter that Boiler DCS System directly obtains, pass to information process unit 12.
After information process unit 12 receives the information of information acquisition unit 11, utilize aerodynamic principle, best axial flow blower control mode is gone out according to the parameter measurement such as atmospheric temperature, boiler load, be converted into the control signal controlling the running of each Air-Cooling Island axial flow blower frequency converter 2, the run signal of the cooling water circulating pump 16 of cold wind blower fan 6 and absorption chiller, control the operation of Air-Cooling Island axial flow blower frequency converter 2 respectively, control the circulating pump 16 of Absorption Refrigerator, the operation of cold wind blower fan 6.Under the condition that atmospheric temperature is certain and boiler load is certain, the axial flow blower of minimum number is utilized to run, Air-Cooling Island axial flow blower is made to consume minimum electric energy, generator steam is dropped to same temperature through the cooled water temperature of Air-Cooling Island, such as 25 DEG C, namely Air-Cooling Island outlet water temperature is dropped to minimum.When summer, atmospheric temperature was higher, absorption chiller manually boots, then by control unit Based Intelligent Control.
As shown in Figure 3, the present invention adopts absorption chiller to carry out the recycling of the weary heat of steam turbine.Described refrigerator is primarily of generator 3-3, condenser 3-2, evaporimeter 3-5, absorber 3-4, heat exchanger 3-8, circulating pump 3-9, circulating pump 3-10, cooling tower 3-1, a few part composition of choke valve 3-6, choke valve 3-7.The refrigerant solution of usual employing is: lithium bromide water solution, ammonia spirit etc.
In absorption chiller running, generator 3-3 connects the weary heat of power plant, is the heating steam of absorption chiller power, such as lithium-bromide absorption-type refrigerating machine the weary hotwork of power plant.After lithium bromide water solution is subject to the heating of weary heat in generator 3-3, the water in lithium bromide water solution is constantly vaporized; Along with the continuous vaporization of water, the lithium bromide water solution concentration in generator constantly raises, and the lithium bromide water solution of high concentration enters absorber 3-4 by circulating pump 3-9; Steam enters condenser 3-2, condense after the cooling water temperature be condensed in device 3-2, become the aqueous water of high pressure low temperature, when these water enter evaporimeter 3-5 by choke valve 3-6, rapid expansion and vaporizing, and in vaporescence, absorb the heat of chilled water in evaporimeter in a large number, thus reach the object of cooling refrigeration; In the process, water at low temperature steam enters absorber, and absorbed by the lithium bromide water solution in absorber, solution concentration progressively reduces, then sends generator back to by circulating pump 3-9, completes whole circulation.So move in endless cycles, produce cold continuously, the continuous and outside positive energy exchange by chilled water.Because bromize lithium dilute solution is cooled in absorber, temperature is lower, in order to save the heat of heat dilute solution, improve the thermal efficiency of whole device, add a heat exchanger 3-8 in systems in which, the low temperature weak solution that the high temperature concentrated solution allowing generator flow out and absorber flow out carries out heat exchange, improves the temperature that weak solution enters generator.Cooling tower 3-1 is arranged on lower air port during Air-Cooling Island summer, allows axial flow blower 2 that cold air is pumped up.
The present invention utilizes aerodynamic principle, set up Based Intelligent Control model, monitor respectively, Collaborative Control, automatic generation control signal controls direction and the speed of axial flow blower in real time, long-term control axial flow blower consumes minimum electric energy, produce appropriate effective wind, the efficiency of Air-Cooling Island is improved, utilizes the weary heat of power plant summer, produce cold air by absorption chiller, be delivered directly to Air-Cooling Island air intake vent, can simultaneously directly with the cold and hot exchange of Air-Cooling Island vapours, and prevent winter Air-Cooling Island condenser icing, be split up.
1, station-service electricity is reduced: the control unit of Air-Cooling Island only needs to carry out analyzing and processing according to being arranged on the signal that Air-Cooling Island sensor everywhere detects, and utilize aerodynamics to calculate best axial flow blower control mode, only this just can save the axial flow blower power consumption of 30%--40%, and a 600MW air cooling turbo-generator about saves 2,500,000 degree.
2, unit back pressuce is reduced: directly extract turbine discharge, can directly reduce the throttle flow entered in air cooling heat radiator, part displacement can also be utilized to be changed into low-temperature receiver by Absorption Refrigerator.Low-temperature receiver main purpose: 1. in order to reduce the temperature of air cooling heat radiator inner air, improves Air-Cooling Island environment temperature field, alleviates axial flow blower load; 2. in order to directly to reduce exhaust temperature; 3. carry out heat exchange with heat exchanger and Air-Cooling Island backwater, reduce return water temperature, reduce unit back pressuce.
3, improve condenser vacuum: at (cooling water temperature 33 DEG C in summer, atmospheric pressure 99kPa) with 600MW unit rated load operation time, condenser vacuum 89kPa, namely back pressure equals 10kPa (atmospheric pressure 99kPa subtracts vacuum 89kPa), vacuum pump inlet temperature slightly equals low pressure (LP) cylinder exhaust temperature 46 DEG C, after installation cooler puts into operation, vacuum pump inlet mercury dropped to 15 DEG C, namely have dropped 31 DEG C. according to Gay-Lussac's law (during constancy of volume, the pressure and temperature of a certain amount of gas is directly proportional, namely temperature often raises or reduces by 1 DEG C, when its pressure also increases thereupon or reduces its 0 DEG C pressure 1/273) calculate, cooler after putting into operation is installed, condenser vacuum improves about 1.5kPa (vacuum 1.6%).Improve 1% according to condenser vacuum, coal consumption reduces 1.97g/ (kWh), and 1 600MW unit annual generating 5000h calculates, and can save coal 9456t/, calculate by 500 yuan/t, save cost of electricity-generating 472800 yuan/year.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (4)
1. an Intelligent air cool island, comprise an Air-Cooling Island with N number of axial flow blower, wherein N is greater than 2, it is characterized in that described Intelligent air cool island also comprises Absorption Refrigerator, First Heat Exchanger, the second heat exchanger, cold wind blower fan and control unit,
The entrance of described Absorption Refrigerator directly connects weary heat that steam turbine discharges or exports condensate water through the weary heat of First Heat Exchanger heat exchange or Air-Cooling Island, weary heat or Air-Cooling Island for absorbing steam turbine discharge export the heat of condensate water, export chilled water to First Heat Exchanger, the second heat exchanger;
Described First Heat Exchanger is arranged on the weary hot entrance of steam turbine of Air-Cooling Island, for directly carrying out heat exchange to the weary heat of steam turbine, reduces the weary hot temperature degree of steam turbine of Air-Cooling Island entrance;
Described second heat exchanger is arranged on the bottom of Air-Cooling Island, for producing cold air in the bottom of Air-Cooling Island;
Described cold wind blower fan is arranged on below the second heat exchanger, is transported to bottom Air-Cooling Island for the cold air that the second heat exchanger is produced;
Described control unit is electrically connected with Absorption Refrigerator, cold wind blower fan and Air-Cooling Island;
Described control unit comprises information acquisition unit and information process unit, and described information acquisition unit comprises N number of temperature sensor, N number of flow sensor, N number of wind-warm syndrome air velocity transducer, boiler load information acquisition device, atmosphere temperature transducer, ambient wind velocity sensor.
2. Intelligent air cool island according to claim 1, it is characterized in that described Absorption Refrigerator comprises generator, condenser, evaporimeter, absorber, heat exchanger, circulating pump, cooling tower, described generator and steam turbine export weary heat or Air-Cooling Island and export condensate water and be connected, described evaporimeter connects First Heat Exchanger, the second heat exchanger, and described cooling tower is arranged on below Air-Cooling Island axial flow blower.
3. Intelligent air cool island according to claim 1, is characterized in that described second heat exchanger is arranged on the below of Air-Cooling Island axial flow blower.
4. a control method for Intelligent air cool island, the method comprises the following steps:
On the generator of all condenser of A, the entrance temperature sensor of information acquisition unit being arranged on the weary heat of Air-Cooling Island steam turbine, the outlet of Air-Cooling Island condensate water, Air-Cooling Island, absorption chiller and evaporimeter, First Heat Exchanger, the second heat exchanger, for measuring tempeature; The flow sensor of information acquisition unit is arranged on the porch of the weary heat of Air-Cooling Island steam turbine, the outlet of Air-Cooling Island condensate pipe, the generator of absorption chiller and evaporimeter, for measuring flow; The wind-warm syndrome air velocity transducer of information acquisition unit is arranged on cold wind blower fan, between the condenser of Air-Cooling Island and axial flow blower, the top of the condenser of Air-Cooling Island or axial flow blower bottom, for measuring Air-Cooling Island inside, top, bottom, the temperature of cold wind blower fan place wind and speed; Boiler load information acquisition device is connected with Boiler DCS System, for gathering the boiler load of steam turbine;
B, information acquisition unit are by temperature sensor, flow sensor, wind-warm syndrome air velocity transducer, boiler load information acquisition device, atmosphere temperature transducer, ambient wind velocity sensor, the temperature of collecting temperature, flow, wind and speed, the temperature of air, the air speed data of environment and boiler load data, and send these data to information process unit;
C, information process unit are become control signal after receiving the data of information acquisition unit, control the opening of the axial flow blower of the circulating pump of Absorption Refrigerator, cold wind blower fan and Air-Cooling Island, constantly running respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210259167.0A CN102818398B (en) | 2012-07-25 | 2012-07-25 | Intelligent air cooling island and control method thereof |
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| CN201210259167.0A CN102818398B (en) | 2012-07-25 | 2012-07-25 | Intelligent air cooling island and control method thereof |
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| CN102818398B true CN102818398B (en) | 2015-01-07 |
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| CN105890397A (en) * | 2014-12-08 | 2016-08-24 | 白海初 | Method for increasing vacuum degree of condenser of thermal power plant |
| CN107859648B (en) * | 2017-10-29 | 2019-08-09 | 北京工业大学 | A kind of measuring device of Air-Cooling Island blower leaf frequency perturbed force |
| CN108800979B (en) * | 2018-07-09 | 2019-12-06 | 上海铱钶环保科技有限公司 | monitoring method and monitoring device for condenser predictive operation and maintenance |
| CN111947877A (en) * | 2020-07-23 | 2020-11-17 | 陕西清水川能源股份有限公司 | Intelligent dynamic control system for air cooling island of thermal power plant |
| CN113670086A (en) * | 2021-08-13 | 2021-11-19 | 广州环投福山环保能源有限公司 | Shading wind-proof air cooling island waste incineration power plant with coupled compressed air energy storage |
| CN113959237B (en) * | 2021-09-09 | 2023-11-24 | 西安热工研究院有限公司 | Coupled steam refrigeration cooling operation optimization method for direct air cooling unit |
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| JPH07145743A (en) * | 1993-07-23 | 1995-06-06 | Baltimore Aircoil Co Inc | Combustion air precooling system for gas turbine |
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| CN102393153A (en) * | 2011-07-11 | 2012-03-28 | 华东理工大学 | Condensation mode and condensing unit of steam turbine set used in summer peak |
| CN202853196U (en) * | 2012-07-25 | 2013-04-03 | 北京冶联科技有限公司 | Intelligent air cooling island |
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| JPH07145743A (en) * | 1993-07-23 | 1995-06-06 | Baltimore Aircoil Co Inc | Combustion air precooling system for gas turbine |
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| CN202141033U (en) * | 2011-05-22 | 2012-02-08 | 张茂勇 | Generating system of absorption heat pump steam exhaust recovery steam turbine improving 1% of generating efficiency |
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