CN108627279A - Air-Cooling Island temperature field on-Line Monitor Device - Google Patents
Air-Cooling Island temperature field on-Line Monitor Device Download PDFInfo
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- CN108627279A CN108627279A CN201810715999.6A CN201810715999A CN108627279A CN 108627279 A CN108627279 A CN 108627279A CN 201810715999 A CN201810715999 A CN 201810715999A CN 108627279 A CN108627279 A CN 108627279A
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- 238000001816 cooling Methods 0.000 title claims abstract description 99
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 230000002411 adverse Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 241000209094 Oryza Species 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 2
- 230000002528 anti-freeze Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009746 freeze damage Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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Abstract
The present invention relates to the technical fields that Air-Cooling Island monitors auxiliary equipment, more particularly to a kind of Air-Cooling Island temperature field on-Line Monitor Device, it is with higher economic benefit, severe cold area in winter can be improved and carry out Air-Cooling Island state analysis, temperature pre-warning and logic control level, accumulate winter operation experience, mitigate personnel labor intensity, and temperature sample point is extensive, density is big, fin temperature-measuring range is wide and has continuous on-line monitoring function；Including Air-Cooling Island, 4 row Unit × 4 of Air-Cooling Island point, include three groups of A type towers per unit, three collectors are installed on every group of A type tower, 6 cable for measuring temperature are installed, 1.0 meters, 2.2 meters, 4.0 meters of each column Air-Cooling Island east and west sides outside adds three and ranked first temperature point respectively, and often ranked first temperature measuring point includes 72 measuring points on each column Air-Cooling Island, 5.8 meters of countercurrent zone on the outside of each column Air-Cooling Island east and west sides, 7.6 meters add two rows of second temperature measuring points respectively, often ranked second temperature point includes 12 measuring points.
Description
Technical field
It is online more particularly to a kind of Air-Cooling Island temperature field the present invention relates to the technical field that Air-Cooling Island monitors auxiliary equipment
Monitoring device.
Background technology
It is well known that Air-Cooling Island is actually a vivid appellation to power plant's air-cooling apparatus, mainly by 56 typhoons
Machine forms, and function is cooled down for high-temperature steam, which guides to Air-Cooling Island by the steam discharge of steam turbine, be then tapped off to radiator and go
Cooling, condensed water after cooling is back to steam exhaust device, and since winter environment temperature is relatively low, air cooling heat radiator is directly exposed to air
Among, steam flow is small when underrun, rotation speed of fan reduce it is even out of service, air-cooled tube bank at this time flow up and down field,
Temperature field is easiest to that non-uniform phenomenon occurs, and causes partial freezing, is easy to cause unit and is not normally functioning, jeopardizes the peace of unit
Entirely；And since the existing temperature monitoring point of Air-Cooling Island cannot be satisfied the needs of live operating condition, operations staff can not normally supervise
The running temperature state for surveying Air-Cooling Island countercurrent zone, fair current area, seriously affects the safe and stable operation of unit；Air-Cooling Island temperature simultaneously
Monitoring point quantity is few, single covering surface is small, influences measurement precision, and freeze injury easily occurs in Air-Cooling Island, and No. one time temperature-sensing element has
It is unrepairable, of high cost.
Invention content
In order to solve the above technical problems, the present invention, which provides one kind, having higher economic benefit, can improve tight in winter
Cold area carries out Air-Cooling Island state analysis, temperature pre-warning and logic control level, accumulates winter operation experience, mitigates personnel's labour
Intensity, and temperature sample point is extensive, density is big, fin temperature-measuring range is wide and has the Air-Cooling Island temperature of continuous on-line monitoring function
Spend field on-Line Monitor Device.
The Air-Cooling Island temperature field on-Line Monitor Device of the present invention, including Air-Cooling Island, 4 row Unit × 4 of the Air-Cooling Island point, often
Unit includes three groups of A type towers, and three collectors are equipped on every group of A type tower, install 6 cable for measuring temperature on each column Air-Cooling Island, often
Two cable for measuring temperature correspond to 1 collector, and data bus cable connects all collectors for being distributed in scene, and bus cable is logical
It crosses Air-Cooling Island cable shaft and reaches the conduit line of 0 meter of Air-Cooling Island, then cable interlayer is entered by cable testing bridge, finally enter master
Control room is connected to monitoring host by RS485 interfaces, adds respectively for 1.0 meters, 2.2 meters, 4.0 meters on the outside of each column Air-Cooling Island east and west sides
Temperature point is ranked first equipped with three, often ranked first temperature measuring point includes 72 measuring points, countercurrent zone on the outside of each column Air-Cooling Island east and west sides
5.8 meters, 7.6 meters add two rows of second temperature measuring points respectively, and often ranked second temperature point includes 12 measuring points.
The Air-Cooling Island temperature field on-Line Monitor Device of the present invention, Air-Cooling Island each column unilateral side includes 72 Folding-Screen, wherein 72 screens
Including 12 Folding-Screen of 60 Folding-Screen of fair current and adverse current, every 18 screen is correspondingly arranged on one group of wind turbine, is 18 per element length per 0.74 meter of Folding-Screen width
× 0.74=13.32 meters, 13.32 × 4=53.28 meters of each column length, every in this way customization cable for measuring temperature A, B, C, D, E, F contain
72 × 1 72 points of ﹦, upper end adverse current region M, N, S, T respectively contain 12 points of 12 × 1 ﹦, and pavement side G arranges 8 measuring points on the inside of each column A types tower,
2 measuring points are corresponded to per Fans, it is 72 × 6+12 × 4+8=488 points, every units' installation 488 × 4 that each column, which installs measuring point quantity,
=1952 points.
Upper, middle and lower arrangement number is divided in the Air-Cooling Island temperature field on-Line Monitor Device of the present invention, each column A types tower triangular outside
Temperature transducer, triangle is interior to arrange Digital Measurement of Temperature sensor along pavement.
The present invention Air-Cooling Island temperature field on-Line Monitor Device, power supply between electronics by Air-Cooling Island cable shaft be system
AC 220V power supplys are provided, it is that collector is powered respectively to be converted into DC 24V power supplys by conversion module.
The present invention Air-Cooling Island temperature field on-Line Monitor Device, first temperature measuring point entire area arrange, described second
Temperature measuring point is arranged in adverse current region.
Beneficial effects of the present invention are compared with prior art：Temperature sample point is extensive, density is big, fin temperature-measuring range is wide
And has continuous on-line monitoring function；Air-Cooling Island winter is all manually inspection thermometric mode, and Air-Cooling Island is uninterruptedly surveyed within 24 hours
Temperature, labor intensity is very big, and can not the detection of gamut in real time and record Air-Cooling Island each point temperature, which realizes after putting into operation
Air-Cooling Island it is unattended, hand labor intensity is greatly lowered；According to Air-Cooling Island temperature field on-Line Monitor Device, in conjunction with adverse current
Condenser wind turbine inverts and the combustion adjustment of vacuum pump, avoids heat dissipation tube bank surface temperature from icing caused by relatively large deviation occur existing
As；By the way that the thermic load between each row of wind turbine isoequilibrium can be adjusted in time to temperature field disparity analysis and dead zone distribution,
Help is provided for air cooling tubes condenser cleaning and realizes the antifreeze pre-alarm of Air-Cooling Island；Ensureing unit air cooling system safe and stable operation
In the case of, the adjustment of unit back pressuce is participated in, the scientific and standardization of Air-Cooling Island optimization operation and control is realized, improves unit warp
Ji property.
1, it prevents from freezing
The present apparatus, which can be improved, measures Air-Cooling Island temperature field data, and can adjust point position and density at any time as needed,
Improve the safety of unit winter operation.It effectively prevent winter Air-Cooling Island ice formation issues；
2, optimal control unit back pressuce improves unit economy
The present apparatus can accurately reflect spreader surface Temperature Distribution, quantitatively provide and effectively prevent the winter Air-Cooling Island to freeze
Backpressure data, and point out the potentiality place that back pressure further decreases.By instruct operations staff adjust fan operation mode or
Fan operation frequency is automatically adjusted by operation optimizing system, reaches power savings；
By the device, unit back pressuce can be reduced on the basis of ensureing unit safety operation, is transported according to previous winter
Pass through and test, in order to antifreeze unit back pressuce mostly adjustment 20Kpa or so run, the system input after, by operations staff according to
Temperature model is adjusted, it is contemplated that unit back pressuce can reach 8-10Kpa or so, and to reduce net coal consumption rate, 2 units are per the Spring Festival holidays
About coal amount value is about 2,000,000 yuan/year or so；
3, cost of labor is reduced
Air cooling unit winter is all manually inspection thermometric mode, 24 hours uninterrupted thermometrics of Air-Cooling Island, labor intensity pole
It greatly, and can not the detection of gamut in real time and record Air-Cooling Island each point temperature.The system realizes nobody of Air-Cooling Island after putting into operation
It is on duty, hand labor intensity is greatly lowered.
Description of the drawings
Fig. 1 is the planar structure schematic diagram of A types tower of the present invention；
Fig. 2 is the dimensional structure diagram of A types tower of the present invention；
Fig. 3 is the overlooking structure diagram of A types tower of the present invention；
Fig. 4 is the structural schematic diagram of circuit connection of the present invention；
It is marked in attached drawing：1, A types tower；2, the first temperature point；3, second temperature measuring point.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1 to Figure 3, Air-Cooling Island temperature field on-Line Monitor Device of the invention, including Air-Cooling Island, Air-Cooling Island point 4
Unit × 4 are arranged, includes three groups of A types towers 1 per unit, three collectors is installed on every group of A type tower, 6 are installed on each column Air-Cooling Island
Root cable for measuring temperature, every two cable for measuring temperature correspond to 1 collector, and data bus cable connects all acquisitions for being distributed in scene
Device, bus cable reaches the conduit line of 0 meter of Air-Cooling Island by Air-Cooling Island cable shaft, then enters cable clip by cable testing bridge
Layer finally enters master control room and is connected to monitoring host, 1.0 meters of each column Air-Cooling Island east and west sides outside, 2.2 by RS485 interfaces
Rice, 4.0 meters add three respectively and ranked first temperature point 2, often ranked first temperature measuring point include 72 measuring points, each column Air-Cooling Island thing
5.8 meters of countercurrent zone on the outside of both sides, 7.6 meters add two rows of second temperature measuring points 3 respectively, often ranked second temperature point includes 12
Measuring point.
The Air-Cooling Island temperature field on-Line Monitor Device of the present invention, Air-Cooling Island each column unilateral side includes 72 Folding-Screen, wherein 72 screens include
12 Folding-Screen of 60 Folding-Screen of fair current and adverse current, every 18 screen is correspondingly arranged on one group of wind turbine, per 0.74 meter of Folding-Screen width, be 18 per element length ×
0.74=13.32 meters, 13.32 × 4=53.28 meters of each column length, every in this way customization cable for measuring temperature A, B, C, D, E, F respectively contain 72
× 1 72 points of ﹦, upper end adverse current region M, N, S, T respectively contain 12 points of 12 × 1 ﹦, and pavement side G arranges 8 measuring points on the inside of each column A types tower, often
Fans correspond to 2 measuring points, and it is 72 × 6+12 × 4+8=488 points, every 488 × 4=of units' installation that each column, which installs measuring point quantity,
1952 points.
Upper, middle and lower arrangement number is divided in the Air-Cooling Island temperature field on-Line Monitor Device of the present invention, each column A types tower triangular outside
Temperature transducer, triangle is interior to arrange Digital Measurement of Temperature sensor along pavement.
The present invention Air-Cooling Island temperature field on-Line Monitor Device, power supply between electronics by Air-Cooling Island cable shaft be system
AC 220V power supplys are provided, it is that collector is powered respectively to be converted into DC 24V power supplys by conversion module.
The Air-Cooling Island temperature field on-Line Monitor Device of the present invention, the first temperature measuring point arrange that the second temperature measuring point exists in entire area
Adverse current region is arranged.
1, it prevents from freezing
The present apparatus, which can be improved, measures Air-Cooling Island temperature field data, and can adjust point position and density at any time as needed,
Improve the safety of unit winter operation.It effectively prevent winter Air-Cooling Island ice formation issues；
2, optimal control unit back pressuce improves unit economy
The present apparatus can accurately reflect spreader surface Temperature Distribution, quantitatively provide and effectively prevent the winter Air-Cooling Island to freeze
Backpressure data, and point out the potentiality place that back pressure further decreases.By instruct operations staff adjust fan operation mode or
Fan operation frequency is automatically adjusted by operation optimizing system, reaches power savings；
By the device, unit back pressuce can be reduced on the basis of ensureing unit safety operation, is transported according to previous winter
Pass through and test, in order to antifreeze unit back pressuce mostly adjustment 20Kpa or so run, the system input after, by operations staff according to
Temperature model is adjusted, it is contemplated that unit back pressuce can reach 8-10Kpa or so, and to reduce net coal consumption rate, 2 units are per the Spring Festival holidays
About coal amount value is about 2,000,000 yuan/year or so；
3, cost of labor is reduced
Air cooling unit winter is all manually inspection thermometric mode, 24 hours uninterrupted thermometrics of Air-Cooling Island, labor intensity pole
It greatly, and can not the detection of gamut in real time and record Air-Cooling Island each point temperature.The system realizes nobody of Air-Cooling Island after putting into operation
It is on duty, hand labor intensity is greatly lowered.
After two 200MW unit Air-Cooling Islands temperature field on-line measuring devices of Manzhouli Da Lai Nor lake Thermal Power Co., Ltd put into operation,
Significant effect has reached needs of expected design, and unit back pressuce drops to 8-10Kpa or so, from coming into operation not occurring one at present
Secondary fin blocks frozen block phenomenon, reduces the risk of Air-Cooling Island frozen block, substantially increases the security reliability of equipment and economic effect
Benefit.
The Air-Cooling Island temperature field on-Line Monitor Device of the present invention, temperature sample point is extensive, density is big, fin temperature-measuring range is wide
And has continuous on-line monitoring function；Air-Cooling Island winter is all manually inspection thermometric mode, and Air-Cooling Island is uninterruptedly surveyed within 24 hours
Temperature, labor intensity is very big, and can not the detection of gamut in real time and record Air-Cooling Island each point temperature, which realizes after putting into operation
Air-Cooling Island it is unattended, hand labor intensity is greatly lowered；According to Air-Cooling Island temperature field on-Line Monitor Device, in conjunction with adverse current
Condenser wind turbine inverts and the combustion adjustment of vacuum pump, avoids heat dissipation tube bank surface temperature from icing caused by relatively large deviation occur existing
As；By the way that the thermic load between each row of wind turbine isoequilibrium can be adjusted in time to temperature field disparity analysis and dead zone distribution,
Help is provided for air cooling tubes condenser cleaning and realizes the antifreeze pre-alarm of Air-Cooling Island；Ensureing unit air cooling system safe and stable operation
In the case of, the adjustment of unit back pressuce is participated in, the scientific and standardization of Air-Cooling Island optimization operation and control is realized, improves unit warp
Ji property.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of Air-Cooling Island temperature field on-Line Monitor Device, which is characterized in that including Air-Cooling Island, 4 row × 4 of the Air-Cooling Island point are single
Member includes three groups of A types towers (1) per unit, and three collectors are equipped on every group of A types tower (1), 6 are installed on each column Air-Cooling Island
Cable for measuring temperature, every two cable for measuring temperature correspond to 1 collector, and data bus cable connects all acquisitions for being distributed in scene
Device, bus cable reaches the conduit line of 0 meter of Air-Cooling Island by Air-Cooling Island cable shaft, then enters cable clip by cable testing bridge
Layer finally enters master control room and is connected to monitoring host, 1.0 meters of each column Air-Cooling Island east and west sides outside, 2.2 by RS485 interfaces
Rice, 4.0 meters add three respectively and ranked first temperature point (2), often ranked first temperature measuring point (2) includes 72 measuring points, and each column is air-cooled
5.8 meters of countercurrent zone on the outside of the east and west sides of island, 7.6 meters add two rows of second temperature measuring points (3) respectively, often ranked second temperature point
(3) include 12 measuring points.
2. Air-Cooling Island temperature field as described in claim 1 on-Line Monitor Device, which is characterized in that the Air-Cooling Island each column is unilateral
Including 72 Folding-Screen, wherein 72 screens include 12 Folding-Screen of 60 Folding-Screen of fair current and adverse current, every 18 screen is correspondingly arranged on one group of wind turbine, per Folding-Screen width 0.74
Rice is 18 × 0.74=13.32 meters per element length, 13.32 × 4=53.28 meters of each column length, every in this way customization thermometric electricity
Cable A, B, C, D, E, F respectively contain 72 points of 72 × 1 ﹦, and upper end adverse current region M, N, S, T respectively contain 12 points of 12 × 1 ﹦, and each column A types tower (1) is interior
Side step road side G arranges 8 measuring points, 2 measuring points is corresponded to per Fans, it is 72 × 6+12 × 4+8=488 that each column, which installs measuring point quantity,
Point, every units' installation 488 × 4=1952 point.
3. Air-Cooling Island temperature field as claimed in claim 2 on-Line Monitor Device, which is characterized in that outside each column A types tower (1) triangle
Side divides upper, middle and lower to arrange Digital Measurement of Temperature sensor, and triangle is interior to arrange Digital Measurement of Temperature sensor along pavement.
4. Air-Cooling Island temperature field as claimed in claim 3 on-Line Monitor Device, which is characterized in that power supply is from passing through sky between electronics
Cool island cable shaft provides AC 220V power supplys for system, and it is that collector supplies respectively to be converted into DC 24V power supplys by conversion module
Electricity.
5. Air-Cooling Island temperature field as claimed in claim 4 on-Line Monitor Device, first temperature measuring point is arranged in entire area, institute
The second temperature measuring point is stated to arrange in adverse current region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715999.6A CN108627279A (en) | 2018-07-03 | 2018-07-03 | Air-Cooling Island temperature field on-Line Monitor Device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715999.6A CN108627279A (en) | 2018-07-03 | 2018-07-03 | Air-Cooling Island temperature field on-Line Monitor Device |
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| CN108627279A true CN108627279A (en) | 2018-10-09 |
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| CN201810715999.6A Pending CN108627279A (en) | 2018-07-03 | 2018-07-03 | Air-Cooling Island temperature field on-Line Monitor Device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111429601A (en) * | 2020-03-30 | 2020-07-17 | 杨志 | Automatic inspection device for air cooling island |
| CN111457752A (en) * | 2020-04-02 | 2020-07-28 | 内蒙古锦联铝材有限公司 | Active anti-freezing method for air cooling generator set |
| 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 |
| CN113268060A (en) * | 2021-05-11 | 2021-08-17 | 上海电气斯必克工程技术有限公司 | Intelligent monitoring system and method for surface temperature of air cooling island |
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| CN204422084U (en) * | 2014-12-30 | 2015-06-24 | 宝志坚 | A kind of temperature field of air-cooled condenser on-Line Monitor Device |
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| CN205538005U (en) * | 2016-03-14 | 2016-08-31 | 华电智远（北京）能源技术有限公司 | Direct air cooling condenser temperature field on -line monitoring system |
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| CN107277446A (en) * | 2017-06-30 | 2017-10-20 | 中科诺维(北京)科技有限公司 | Air-cooling island monitoring system |
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| CN204007195U (en) * | 2014-08-05 | 2014-12-10 | 大唐阳城发电有限责任公司 | A kind of two indirect air cooling condensing turbine Air-Cooling Island frost-resisting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111429601A (en) * | 2020-03-30 | 2020-07-17 | 杨志 | Automatic inspection device for air cooling island |
| CN111457752A (en) * | 2020-04-02 | 2020-07-28 | 内蒙古锦联铝材有限公司 | Active anti-freezing method for air cooling generator set |
| 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 |
| CN113268060A (en) * | 2021-05-11 | 2021-08-17 | 上海电气斯必克工程技术有限公司 | Intelligent monitoring system and method for surface temperature of air cooling island |
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