CN104296593B - Calculation method, judgment method and system for cleanliness of air cooling heat sink - Google Patents
Calculation method, judgment method and system for cleanliness of air cooling heat sink Download PDFInfo
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- CN104296593B CN104296593B CN201410329507.1A CN201410329507A CN104296593B CN 104296593 B CN104296593 B CN 104296593B CN 201410329507 A CN201410329507 A CN 201410329507A CN 104296593 B CN104296593 B CN 104296593B
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Abstract
The invention provides a calculation method, judgment method and system for cleanliness of an air cooling heat sink. According to the calculation method, water inlet and outlet temperature and air inlet and outlet temperature of the air cooling heat sink are utilized for calculating the cleanliness of the air cooling heat sink; according to the judgment method, the cleanliness and the historical standard value are compared. According to the calculation method and the judgment method, the cleanliness calculation can be carried out on each independent heat sink unit, the flushing effect is improved, and the role in saving water and electricity is played; the invention further provides the automatic calculation system for the cleanliness of the air cooling heat sink; the system is composed of n detection points, a production data real-time collection module, an operation module and an execution module; each detection point is connected with the production data real-time collection module; the production data real-time collection module, the operation module and the execution module are connected in sequence. According to the automatic calculation system of the cleanliness of the air cooling heat sink, online monitoring of the cleanliness of the air cooling heat sink can be achieved, and the flushing effect can be known in the same day of flushing.
Description
Technical field
The present invention relates to the flushing of power station cooling system air cooling heat radiator, more particularly, to air cooling heat radiator cleanliness factor calculating side
Method, determination methods and its system.
Technical background
In recent years, with the development of air cooling technique, air cooling heat radiator uses in a large number, but longtime running leads to radiator table
Dust stratification laying dust phenomenon in face, and impact radiating effect is it is necessary to routine cleaning.
At present air cooling heat radiator rinse many by the way of periodic flushing, the washing time of each radiator and washing water quantity
Identical, but the effect after rinsing is different, leads to consume substantial amounts of demineralized water being still unable to reach satisfied effect.Dissipate individually
Hot device is dirty cannot to be found, can only rely on hand inspection.
Cleanliness factor computational methods can calculate to single radiator, accomplishes economize on electricity, water saving.
Datang Yangcheng Power Generation Corporation Ltd. 600mw unit is indirect air cooling unit, and recirculated water adopts air cooling heat radiator
Radiated.After longtime running, air cooling heat radiator superficial dust is it is necessary to clean spreader surface by the way of water rinses.
Air cooling heat radiator floor space is big, and surrounding is inconsistent, and the dust stratification degree of each radiator is inconsistent, is subject to simultaneously
The impact of monsoon, each radiator outlet temperature change larger it is impossible to for when carrying out radiator and rinsing providing foundation.Carry out water
The washing time that during flushing, each radiator adopts is identical with washing water quantity, leads to part heat sink to rinse and thoroughly or does not excessively rush
Wash waste water source.
Annual air cooling heat radiator washing time is relatively fixed, and mainly in annual April and September, but environment is changeable, fixing
Washing time tend not to meet Production requirement it is necessary to change washing time in time according to the change of air cooling tower coefficient of heat transfer.
But the calculating influence factor of coefficient of heat transfer is excessively it is impossible to carry out real-time monitoring.Using cleanliness factor computational methods, there is reality
Produce meaning.
Content of the invention
It is an object of the invention to provide a kind of air cooling heat radiator cleanliness factor calculates and determination methods, replaced using cleanliness factor
Heat transfer coefficient is instructing the flushing work of air cooling heat radiator, and single heat-sink unit can be calculated, and playing water saving section
The effect of electricity.
The purpose of the present invention is achieved through the following technical solutions:
A kind of air cooling heat radiator cleanliness factor computational methods it is characterised in that: described air cooling heat radiator cleanliness factor computational methods
Comprise the following steps:
(1) data acquisition:
The cleanliness factor calculating each air cooling heat-sink unit needs 4 measurement data it may be assumed that the Inlet water of air cooling heat radiator unit
Gentle exit water temperature, radiator inlet temperature, the hot blast temperature after radiator heat exchange；Described exit water temperature needs to dissipate at each
The main water outlet pipe of hot cell installs water temperature measuring point, and measured value is used for corresponding heat-sink unit cleanliness factor and calculates；
(2) cleanliness factor calculates, and described computing formula is as follows:
Wherein: γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator inflow temperature and the difference of inlet temperature.
Further, described step (1) hollow cold radiator inlet house steward installs 1 water temperature measuring point；Radiator enters pathogenic wind-warm
Degree adopts ambient temperature, arranges 3 ambient temperature measuring points, ambient temperature is surveyed in the range of outside 5～10 meters of air cooling heat radiator
Point is arranged on 1.5～2 meters near the ground of position and takes the mounting means of lucifuge to install, described for the calculating of unit cleanliness factor
Inlet temperature be the measured value that 3 ambient temperature measuring points obtain meansigma methodss；Described hot blast temperature arranges 3 temperature points,
It is arranged on whole Air-Cooling Island inner hub location and measuring point setting height(from bottom) exceedes 5～10 meters about of radiator peak, make it
Enough measure the mixed hot blast temperature of whole radiators, described is 3 surveys for the hot blast temperature that unit cleanliness factor calculates
The meansigma methodss of the measured value that point obtains.
Further, described computational methods carry out to each radiator unit requiring radiator when single cleannes calculate
Exit water temperature is corresponding with radiator unit.When described computational methods are used for the cleanliness factor calculating of whole air cooling heat radiator, then whole
Water temperature measuring point installed by the water inlet manifold of individual air cooling heat radiator and outfall sewer, and the inflow temperature obtaining and leaving water temperature are used for entirely
The cleanliness factor of air cooling heat radiator calculates.
Computing formula in described step (2) is released by following principle:
According to heat transfer theory, the heat that air cooling heat radiator distributes passes to the heat of air cooling heat radiator equal to recirculated water.
Its heat balance equation is:
kδtmA=dw(t1-t2)cp(formula 2)
D in formula 2w(t1-t2)cpRecirculated water passes to the heat of air cooling heat radiator, kj/s
kδtmThe heat that a air cooling heat radiator distributes, kj/s；
K air cooling heat radiator heat transfer coefficient, kw/m2·℃；
δtmAir cooling heat radiator logarithmic mean temperature difference (LMTD), DEG C；
A area of dissipation, m2；
dwEnter the quantity of circulating water of air cooling heat radiator, kg/s；
t2Air cooling heat radiator leaving water temperature, DEG C；
t1Air cooling heat radiator inflow temperature, DEG C；
cpRecirculated water specific heat, typically takes cp=4.1868kj/kg. DEG C；
In addition, air cooling heat radiator logarithmic mean temperature difference (LMTD)(formula 3)
δ t in formula 31Air cooling heat radiator leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator inflow temperature and the difference of inlet temperature；
Air cooling heat radiator heat transfer coefficient is converted to according to formula 2:
γ air cooling heat radiator cleanliness factor in formula 4,
Obtain: (formula 1)；
The present invention also provides a kind of determination methods of air cooling heat radiator cleanliness factor, comprises the following steps:
(1) data acquisition:
The cleanliness factor calculating each air cooling heat-sink unit needs 4 measurement data it may be assumed that the Inlet water of air cooling heat radiator unit
Gentle exit water temperature, radiator inlet temperature, the hot blast temperature after radiator heat exchange；Described exit water temperature needs to dissipate at each
The main water outlet pipe of hot cell installs water temperature measuring point, and measured value is used for corresponding heat-sink unit cleanliness factor and calculates；Whole air cooling radiating
Water temperature measuring point installed by the water inlet manifold of device and outfall sewer, and the cleanliness factor that measured value is used for whole air cooling heat radiator calculates；
(2) cleanliness factor calculates, and computing formula is as follows:
Wherein: γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator/unit inflow temperature and the difference of inlet temperature；
(3) cleanliness factor judges: the cleanliness factor drawing and standard value is compared, when cleanliness factor is less than standard value 15%～20%
When, then need to rinse air cooling heat radiator.
Further, described step (3) Plays value is pre-set value (each factory should draw according to actual test)；After flushing
If the cleanliness factor of certain heat-sink unit does not still reach standard value, need the surface checking radiator whether there is and be difficult to rinse
Attachment, so that it is determined that increase and rinsing frequency or change purging method, or carry out labor cleaning.
Described step (3) for cleanliness factor judgement due to quantity of circulating water dw, the specific heat c of heat exchange area a and waterpHomogeneously
To immobilizing, so the heat transfer coefficient k of air cooling heat radiator and cleanliness factor γ proportional, cleanliness factor γ reduces, explanation
Air cooling heat radiator heat-sinking capability reduces, and when cleanliness factor is less than standard value 15%～20%, needs to rinse air cooling heat radiator.
Further, in conjunction with above-mentioned computational methods and determination methods, the cleanliness factor that can be used for air cooling heat radiator calculates automatically
System, described cleanliness factor Automatic computing system includes n test point, creation data Real-time Collection module, computing module, executes mould
Block forms, and each measuring point described is connected with creation data Real-time Collection module, described creation data Real-time Collection module, computing
Module, performing module is sequentially connected the cleanliness factor Automatic computing system constituting for air cooling heat radiator；
Wherein, described n test point facilities are as follows: arrange 1 measuring point on each air cooling heat-sink unit, detection is empty
Cold heat sink exit water temperature, whole air cooling heat radiator arranges 3 ambient temperature measuring points, described calculates for unit cleanliness factor
Inlet temperature be the measured value that 3 ambient temperature measuring points obtain meansigma methodss；3 radiator outlet pathogenic wind-warm measuring points, 1 water inlet
Temperature point；
Described creation data Real-time Collection module is connected with each measuring point, and creation data Real-time Collection module gathers each
The data that measuring point records is sent into described computing module and is calculated；
Described computing module is calculated as follows formula and is calculated:
γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator/unit inflow temperature and the difference of inlet temperature；And result of calculation is sent to described
Performing module；
Described performing module is compared with standard value according to the result of calculation of computing module, judges whether to need to rinse sky
Cold heat sink simultaneously monitors developing result；Described monitoring developing result is specially performing module after flushing finishes and sends instructions to number
Detect cleannes according to acquisition module again according to step, and compare with standard value；If certain heat-sink unit after flushing
Cleanliness factor does not still reach standard value, then need the surface checking radiator to whether there is the attachment being difficult to rinse, so that it is determined that
Increase and rinse frequency or change purging method, or carry out labor cleaning.
The beneficial effects of the present invention is:
(1) computational methods of the present invention and determination methods can carry out cleanliness factor meter for each independent radiator unit
Calculate, thus improving frequency and the water consumption of radiator flushing, improving developing result, playing the effect of water-saving and electricity-saving.
(2) at present air cooling heat radiator rinse many by the way of periodic flushing, the washing time of each radiator and flushing
The water yield is identical, but the effect after rinsing is different, leads to consume substantial amounts of demineralized water being still unable to reach satisfied effect.Individual
Other radiator is dirty cannot to be found, can only rely on hand inspection.By being connected with the cleanliness factor Automatic computing system of cold heat sink
The in-service monitoring of air cooling heat radiator cleanliness factor can be realized, the flushing same day can be appreciated that developing result.
Brief description
Cleanliness factor contrast schematic diagram before and after the flushing of Fig. 1 air cooling heat radiator；
Fig. 2 is air cooling heat radiator system structure diagram；
Fig. 3 is the structural representation of the cleanliness factor Automatic computing system for air cooling heat radiator；
Fig. 4 is the cleanliness factor Automatic computing system operational process structural representation for air cooling heat radiator.
Specific embodiment
Further specifically to the above of the present invention again below in conjunction with the specific embodiment being embodied as example
Bright:
The present invention provides a kind of air cooling heat radiator cleanliness factor to calculate and determination methods, and in example:
Described computational methods include step:
(1) data acquisition:
The cleanliness factor calculating each air cooling heat-sink unit needs 4 measurement data it may be assumed that the Inlet water of air cooling heat radiator unit
Gentle exit water temperature, radiator inlet temperature, the hot blast temperature after radiator heat exchange；Described exit water temperature needs to dissipate at each
The main water outlet pipe of hot cell installs water temperature measuring point, and measured value is used for corresponding heat-sink unit cleanliness factor and calculates；Whole air cooling radiating
Water temperature measuring point installed by the water inlet manifold of device and outfall sewer, and the cleanliness factor that measured value is used for whole air cooling heat radiator calculates；Air cooling
Radiator inlet house steward installs 1 water temperature measuring point；Radiator inlet temperature selects ambient temperature, 5 outside air cooling heat radiator～
3 ambient temperature measuring points are set in the range of 10 meters, and ambient temperature measuring point should select to install 1.5～2 meters near the ground of position,
And take the mounting means of lucifuge, measured value is used for unit cleanliness factor for inlet temperature after being averaging and calculates；Hot blast temperature
It is also provided with 3 temperature points, be arranged on inside air cooling heat radiator close to center and ensure that measuring point setting height(from bottom) exceedes radiating
Device peak, measured value calculates for unit cleanliness factor after being averaging.
(2) air cooling heat radiator cleanliness factor calculates, and described computing formula is as follows:
Wherein: γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator inflow temperature, DEG C；
t2Air cooling heat radiator leaving water temperature, DEG C；
δt1Air cooling heat radiator leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator inflow temperature and the difference of inlet temperature.
Data in table 1 is updated in formula 1, you can obtain obtained corresponding cleanliness factor γ in table 1；Described clean
Cleanliness judges: the cleanliness factor drawing γ is compared with standard value, when cleanliness factor is less than standard value 15%～20%, then needs to rush
Wash air cooling heat radiator.If the cleanliness factor of certain heat-sink unit does not still reach standard value after flushing, then need to check radiator
Surface whether there is the attachment being difficult to rinse, so that it is determined that increase and rinsing frequency or change purging method, or carries out manually clear
Reason.
In conjunction with above-mentioned computational methods and determination methods, can be used for the cleanliness factor Automatic computing system of air cooling heat radiator, such as Fig. 3
By shown in the structural representation of the cleanliness factor Automatic computing system of air cooling heat radiator: cleanliness factor Automatic computing system bag based on described
Include n test point, creation data Real-time Collection module, computing module, performing module composition, each measuring point described and creation data
Real-time Collection module is connected, described creation data Real-time Collection module, computing module, and performing module is sequentially connected composition and is used for
The cleanliness factor Automatic computing system of air cooling heat radiator；Fig. 4 is system operation flowage structure schematic diagram；
Wherein, described n test point facilities need the main water outlet pipe in each heat-sink unit to install for exit water temperature
Water temperature measuring point, the exit water temperature recording is used for corresponding heat-sink unit cleanliness factor and calculates；Air cooling heat radiator water inlet manifold installs 1
Water temperature measuring point；Radiator inlet temperature adopts ambient temperature, arranges 3 rings in the range of outside 5～10 meters of air cooling heat radiator
Border temperature point, the position that ambient temperature measuring point is arranged on 1.5～2 meters near the ground takes the mounting means of lucifuge to install, described
The inlet temperature calculating for unit cleanliness factor is the meansigma methodss of the measured value that 3 measuring points obtain；Described hot blast temperature sets
Put 3 temperature points, be arranged on whole Air-Cooling Island inner hub location and measuring point setting height(from bottom) exceedes radiator peak 5～10
About rice, enable to measure the mixed hot blast temperature of whole radiators, the described heat calculating for unit cleanliness factor
Air temperature is the meansigma methodss of the measured value that 3 measuring points obtain；Each measuring point is connected with creation data Real-time Collection module, produces
Real time data acquisition module gathers the data that each measuring point records to be sent into described computing module and is calculated；Computing formula is as follows:
γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator inflow temperature, DEG C；
t2Air cooling heat radiator leaving water temperature, DEG C；
δt1Air cooling heat radiator leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator inflow temperature and the difference of inlet temperature；
Result of calculation is sent to described performing module by described computing module, and performing module is tied according to the calculating of computing module
Fruit is compared with standard value, judges whether to need to rinse air cooling heat radiator and monitor developing result；Described monitoring developing result
Be specially performing module after flushing finishes to send instructions to data acquisition module and detect cleannes again according to step, and with mark
Quasi- value is compared；If the cleanliness factor of certain heat-sink unit does not still reach standard value after flushing, then need to check radiator
Surface whether there is the attachment being difficult to rinse, so that it is determined that increase and rinsing frequency or change purging method, or carries out manually clear
Reason.
Before and after Fig. 1 air cooling heat radiator rinses, cleanliness factor contrasts；#7, #6, #5 radiator list, to this unit taking Fig. 1 as a example
Unit carries out continuous wash and cleanliness factor monitoring successively；Abscissa is natural law；Vertical coordinate is cleanliness factor.This whole dry Cooling heat radiator
It is divided into 8 heat-sink units (see Fig. 2), exit water temperature measuring point is set in each air cooling heat radiator outlet conduit, and in air cooling radiating
The outfall sewer setting water temperature measuring point of device, in 3 ambient temperature measuring points of outside setting of whole air cooling tower, takes 3 ambient temperatures
The meansigma methodss of measured value are as inlet temperature；3 hot blast temperature measuring points of setting, the measured value that 3 measuring points obtain inside air cooling tower
Meansigma methodss as hot blast temperature, air cooling heat radiator water inlet manifold arranges water temperature measuring point, and each measuring point and creation data are adopted in real time
Collection module is connected, and creation data Real-time Collection module gathers the data that each measuring point records to be sent into computing module and calculated；
The numerical value monitoring (table 1) is substituted into formula 1, is calculated automatically from the cleanliness factor of radiator.Performing module according to
The result of calculation of computing module judges to need the air cooling heat radiator rinsing and monitor developing result；Start water from #7 radiator to rinse
Work, is followed successively by #6, #5 radiator；Before and after flushing, radiator cleanliness factor effect is shown in Fig. 1.After flushing, result is surveyed in monitoring is #6, #5
Cleanliness factor in radiator 8 days is higher than standard value 0.7, and developing result is preferable；But #7 radiator cleanliness factor does not reach standard value,
Developing result is unsatisfactory for requiring, and by site inspection, finds that radiator is blocked by a large amount of battings by the attachment of #7 spreader surface, needs
Carry out water flushing by after the batting cleaning of spreader surface again.
Table 1 air cooling heat radiator gathered data and calculating cleanliness factor
User can determine the standard value of radiator cleanliness factor in conjunction with our unit's historical data according to this computational methods, when
After this standard value 15%～20%, carry out the flushing work of radiator.
The foregoing is only the preferred embodiments of the present invention, not in order to limit the present invention, all theories in the present invention and former
Within then, any modification, equivalent substitution and improvement done, should be included in protection scope of the present invention.
Claims (4)
1. a kind of air cooling heat radiator cleanliness factor computational methods it is characterised in that: described air cooling heat radiator cleanliness factor computational methods bag
Include following steps:
(1) data acquisition:
Calculate each air cooling heat-sink unit cleanliness factor need 4 measurement data it may be assumed that the inlet water temperature of air cooling heat radiator unit and
Exit water temperature, radiator inlet temperature, the hot blast temperature after radiator heat exchange；Described exit water temperature needs single in each radiating
The main water outlet pipe of unit installs water temperature measuring point, and gained measured value is used for corresponding heat-sink unit cleanliness factor and calculates；Wherein, air cooling radiating
Device water inlet manifold installs 1 water temperature measuring point；Radiator inlet temperature adopts ambient temperature, 5～10 meters outside air cooling heat radiator
In the range of arrange 3 ambient temperature measuring points, lucifuge is taken in the position that ambient temperature measuring point is arranged on 1.5～2 meters near the ground
Mounting means is installed, and the described inlet temperature calculating for unit cleanliness factor is the measurement that 3 ambient temperature measuring points obtain
The meansigma methodss of value；Described hot blast temperature arranges 3 temperature points, is arranged on whole Air-Cooling Island inner hub location and measuring point is installed
Highly exceed 5～10 meters of radiator peak, enable to measure the mixed hot blast temperature of whole radiators, described for each
The hot blast temperature that individual unit cleanliness factor calculates is the meansigma methodss of the measured value that 3 measuring points obtain；
(2) cleanliness factor calculates, and described cleanliness factor computing formula is as follows:
Wherein: γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator/unit inflow temperature and the difference of inlet temperature.
2. air cooling heat radiator cleanliness factor computational methods according to claim 1 it is characterised in that: described computational methods can be
Water temperature measuring point installed by the water inlet manifold of whole air cooling heat radiator and outfall sewer, and measured value is used for the cleaning of whole air cooling heat radiator
Degree calculates.
3. a kind of determination methods of air cooling heat radiator cleanliness factor it is characterised in that: described air cooling heat radiator cleanliness factor determination methods
Comprise the following steps:
(1) data acquisition:
Calculate each air cooling heat-sink unit cleanliness factor need 4 measurement data it may be assumed that the inlet water temperature of air cooling heat radiator unit and
Exit water temperature, radiator inlet temperature, the hot blast temperature after radiator heat exchange；Described exit water temperature needs single in each radiating
The main water outlet pipe of unit installs water temperature measuring point, and measured value is used for corresponding heat-sink unit cleanliness factor and calculates；Whole air cooling heat radiator
Water temperature measuring point installed by water inlet manifold and outfall sewer, and the cleanliness factor that measured value is used for whole air cooling heat radiator calculates；Wherein, air cooling
Radiator inlet house steward installs 1 water temperature measuring point；Radiator inlet temperature adopts ambient temperature, 5 outside air cooling heat radiator～
3 ambient temperature measuring points are set in the range of 10 meters, and ambient temperature measuring point is arranged on 1.5～2 meters near the ground of position to be taken and keep away
The mounting means of light is installed, and the described inlet temperature calculating for unit cleanliness factor is that 3 ambient temperature measuring points obtain
The meansigma methodss of measured value；Described hot blast temperature arranges 3 temperature points, is arranged on whole Air-Cooling Island inner hub location and measuring point
Setting height(from bottom) exceedes 5～10 meters of radiator peak, enables to measure the mixed hot blast temperature of whole radiators, described use
The meansigma methodss being the measured value that 3 measuring points obtain in the hot blast temperature that unit cleanliness factor calculates；
(2) cleanliness factor calculates, and computing formula is as follows:
Wherein: γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator/unit inflow temperature and the difference of inlet temperature；
(3) cleanliness factor judges: the cleanliness factor drawing γ is compared with standard value, when cleanliness factor is less than standard value 15%～20%
When, then need to rinse air cooling heat radiator/unit.
4. a kind of cleanliness factor Automatic computing system for air cooling heat radiator it is characterised in that: described cleanliness factor calculates system automatically
System includes n test point, creation data Real-time Collection module, computing module, performing module, each test point described and production number
When factually, acquisition module is connected, described creation data Real-time Collection module, computing module, and performing module is sequentially connected composition and uses
Cleanliness factor Automatic computing system in air cooling heat radiator；
Wherein, described n test point facilities are as follows: arrange 1 measuring point on each air cooling heat-sink unit, detection air cooling dissipates
Hot device exit water temperature, whole air cooling heat radiator arranges 3 ambient temperature measuring points, 3 radiator outlet pathogenic wind-warm measuring points, 1 water inlet
Temperature point；Air cooling heat radiator water inlet manifold installs 1 water temperature measuring point；Radiator inlet temperature adopts ambient temperature, in air cooling
In the range of outside 5～10 meters of radiator, 3 ambient temperature measuring points are set, ambient temperature measuring point is arranged on 1.5～2 meters near the ground
Position take the mounting means of lucifuge to install, described for unit cleanliness factor calculate inlet temperature be 3 environment temperature
The meansigma methodss of the measured value that degree measuring point obtains；Hot blast temperature arranges 3 temperature points, is arranged on whole Air-Cooling Island inside center position
Put and measuring point setting height(from bottom) exceedes 5～10 meters of radiator peak, enable to measure whole radiators mixed hot blast temperature
Degree, the described hot blast temperature for the calculating of unit cleanliness factor is the meansigma methodss of the measured value that 3 measuring points obtain；
Described creation data Real-time Collection module is connected with each measuring point, and creation data Real-time Collection module gathers each measuring point
The data recording is sent into described computing module and is calculated；
Described computing module is calculated as follows formula and calculates:
γ air cooling heat radiator cleanliness factor；
t1Air cooling heat radiator/unit inflow temperature, DEG C；
t2Air cooling heat radiator/unit leaving water temperature, DEG C；
δt1Air cooling heat radiator/unit leaving water temperature and the difference of hot blast temperature；
δt2Air cooling heat radiator/unit inflow temperature and the difference of inlet temperature；And result of calculation is sent to described execution mould
Block；
Described performing module is compared with standard value according to the result of calculation of computing module, judges whether to need flushing air cooling to dissipate
Hot device simultaneously monitors developing result；Described monitoring developing result specially performing module after flushing finishes sends instructions to data and adopts
Collection module detects cleannes again according to step, and compares with standard value；If the cleaning of certain heat-sink unit after flushing
Degree does not still reach standard value, then need the surface checking radiator to whether there is the attachment being difficult to rinse, so that it is determined that increasing
Rinse frequency or change purging method, or carry out labor cleaning.
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