CN104864768B - A kind of high accuracy glueballs monitoring device - Google Patents
A kind of high accuracy glueballs monitoring device Download PDFInfo
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- CN104864768B CN104864768B CN201510315220.8A CN201510315220A CN104864768B CN 104864768 B CN104864768 B CN 104864768B CN 201510315220 A CN201510315220 A CN 201510315220A CN 104864768 B CN104864768 B CN 104864768B
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Abstract
In the big unit of some glueballs usage amounts, when cleaning systems, some glueballs can continue through monitoring sensor, is now easy to occurrence count erroneous judgement, or even the phenomenon of blocking.For this problem, the present invention proposes a kind of new high accuracy glueballs monitoring device.First, device effect by flow-dividing bin by the glueballs running in circulating water pipeline, is diverted in multiple front flow manifolds；Under the acceleration of flow manifold before truncated cone-shaped, fall into glueballs therein and accelerate to separate to the rear flow manifold being provided with photoelectric sensor and flow transducer；Then passing through the time that the actual glueballs of reasonable analysis passes through and the time that single glueballs passes through, the glueballs number that reality is passed through is corrected, thus realizing the purpose of high accuracy on-line monitoring glueballs, significantly mitigating the labor intensity of field personnel.In addition, this device also has, with low cost, structure is relatively easy, is easy to casting, is easier to shape, take up an area that space is few and the low remarkable advantage of power consumption.
Description
Technical field
The present invention relates to a kind of on-line operation applying monitoring cleaning glueballs number on condenser of power station circulating water pipeline
Device, belongs to mechano-electronic device design field it is also possible to apply in other related or similar applications.
Background technology
Condenser is one of vitals of Steam Turbine, is also the important ring in electric power thermodynamic cycle, to whole fire
The safety of power plant, economical operation all play decisive influence；According to refrigeration modes, condenser can be divided into water-cooled condenser and sky
Cold condenser, wherein water-cooled condenser are widely present in modern power station.Yet with reasons such as cycle water and temperature, it will
Leading to condenser piping inwall that different degrees of dirt occurs, thus causing unit vacuum to reduce, reducing heat exchanger effectiveness and combustion
The adverse consequencess such as material utilization rate.The most efficient method solving this problem is exactly using glueballs, condenser piping to be carried out periodically
Cleaning, then the size of ball collecting rate becomes an important indicator of this system.But in real production process, because recirculated water is miscellaneous
The reasons such as matter, system dead angle or glueballs self-defect, ball collecting rate does not often reach unit requirement；As needed, glueballs monitoring
Link becomes as an indispensable part in condenser of power station.
Common glueballs monitoring method has：（1）Manually make regular check on method：The method detection time is longer, and labor intensity is relatively
Greatly, be not suitable for very much more frequently using in unit in rubber ball cleaning, but a lot of power plant of certain areas both at home and abroad at present
But still use this quadrat method；（2）Mechanical count method：The principle of the method is when glueballs passes through monitoring device, stirs
Drive mechanism in device, and then realize cumulative calculation function；" a kind of use as entitled in Chinese patent CN201210216321.6
Involved by glueballs counting equipment on ball cleaning apparatus " is exactly such a device.After this equipment longtime running very
It is easily caused mechanical wear；（3）Image analytical method：During this monitoring, a high-speed camera is installed, to by monitoring
The glueballs of window is taken pictures, and is then carried out image analysis technology, finally realizes the counting purpose of glueballs；As《Energy-conservation》
（2 phases in 2008,29-32 page）On in entitled " Ball cleaning automatic monitor for turbine condenser " delivered, involved exactly
Such a equipment；But this method needs complicated image analysis technology, and also can count when glueballs is overlapping
The situation of mistake it is often more important that, this equipment needs to open a relatively large transparent window on pipeline, thus have very much can
The mechanical strength that pipeline can be led to is destroyed；（4）Acousto-optic-electric shoulder rotation：This method is to use most one kind sides at present
Method, it using ultrasound wave or light glueballs by when break-make counted；As Chinese patent CN200910010097.3 name
Exactly such a referred to as involved by " electric power plant condenser ball based on fiber optic sensor technology cleans on-Line Monitor Device "
Monitoring method；For another example the exactly a kind of pin involved by Chinese patent 201210102567.0 entitled " rubber ball cleaning monitoring device "
Glueballs is distributed to each monitoring pipe using by-passing parts by the shortcoming not high to general acousto-optic electric switch glueballs monitoring device precision
The glueballs monitoring device in road, improves the precision of glueballs monitoring；However, in actual production process, the speed that glueballs reclaims quickly,
After usual 5 minutes, ball collecting rate can reach more than 90%；In the very big unit of some glueballs usage amounts, when cleaning, some
Glueballs will continue through monitoring sensor, will easily lead to count erroneous judgement using above-mentioned monitoring device, or even clogging,
It is therefore proposed that a kind of new high accuracy glueballs monitoring device.
Content of the invention
（One）Technical problem to be solved.
It is an object of the invention to：Condenser is when carrying out rubber ball cleaning, it is to avoid some glueballs continue through monitoring
After sensor, cause to count erroneous judgement, or even the phenomenon of blocking, improve the precision of monitoring simultaneously.
（Two）Technical scheme.
The technical solution adopted in the present invention is：This glueballs monitoring device include expanding storehouse, flow-dividing bin, control display,
Receive footpath storehouse, multiple photoelectric sensor, multiple flow transducer and connection and control display, photoelectric sensor and flow transducer
Electrical cable.
Wherein, the structure in the expanding storehouse being made up of expanding storehouse inlet flange, expanding Cang Canggai and expanding storehouse outlet(discharge) flange is
Such：Expanding storehouse inlet flange is connected with each other with circulating water pipeline；Expanding Cang Canggai connects expanding storehouse inlet flange and expanding
Storehouse outlet(discharge) flange；Expanding storehouse outlet(discharge) flange and flow-dividing bin inlet flange are connected with each other.
By flow-dividing bin inlet flange, flow-dividing bin body, flow-dividing bin outlet(discharge) flange, shunting hemisphere, a plurality of front flow manifold, many
Flow manifold after bar, multiple photoelectric sensors, multiple flow sensor and one control the structure of the flow-dividing bin of display composition
It is such：Flow-dividing bin inlet flange and expanding storehouse outlet(discharge) flange are connected with each other；Flow-dividing bin body front end surface core welds
It is connected to shunting hemisphere；Circumferencial direction along flow-dividing bin body front end surface center is uniformly distributed some front flow manifolds, each
Before bar, flow manifold rear end is all communicated with flow manifold after accordingly；Flow manifold and flow-dividing bin body housing distance after each
Photoelectric sensor and flow sensor are provided with nearest direction；Photoelectric sensor, flow sensor pass through electrical cable
It is connected with each other with controlling display；Flow-dividing bin outlet(discharge) flange is connected with receiving footpath storehouse inlet flange.
The structure in the receipts footpath storehouse being made up of receipts footpath storehouse inlet flange, receipts footpath Cang Canggai and receipts footpath storehouse outlet(discharge) flange is so
's：Receive footpath storehouse inlet flange and flow-dividing bin outlet(discharge) flange is connected with each other；Receive footpath Cang Canggai to connect receipts footpath storehouse inlet flange and receive footpath
Storehouse outlet(discharge) flange；Receive footpath storehouse outlet(discharge) flange to be connected with circulating water pipeline.
（Three）Beneficial effect.
From technique scheme as can be seen that the invention has the advantages that：This glueballs monitoring device is as one
The monitoring device working independently, you can neatly to add or to disassemble in condenser cleaning system, will not be to condenser system
Other parameters and function adversely affect；When there being a large amount of glueballs to pass through this device simultaneously, the glueballs in circulating water pipeline is subject to
To the effect of shunting hemisphere and front flow manifold, disperseed accordingly, then pass through to control display, photoelectric sensor and stream
Fast sensor reasonable coordination work, realizes the high precision monitor purpose to glueballs, thus significantly mitigating the labor of field personnel
Fatigue resistance；In addition, this device also has, with low cost, structure is relatively easy, be easy to casting, be easier to shape, take up an area space few and
The low remarkable advantage of power consumption.
Brief description
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is a kind of external structure schematic diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic diagram of M-M section in Fig. 2.
Fig. 4 is the schematic diagram of K-K section in Fig. 2.
Fig. 5 is the schematic diagram of J-J section in Fig. 2.
Fig. 6 is a kind of in-site installation schematic diagram of the present invention.
In figure number explanation：1 expanding storehouse, 2 flow-dividing bins, 3 control display, 4 receive footpath storehouses, 5 expanding chambeies, 6 receive footpath chambeies,
7 condensers, 8 circulating water pipelines, 9 glueballs monitoring devices, 10 No. two Shou Qiu rooms, 11 Rubber ball pumps, No. 12 Shou Qiu rooms,
101 expanding storehouse inlet flanges, 102 expanding Cang Canggai, 103 expanding storehouse outlet(discharge) flanges, 201 flow-dividing bin inlet flanges, 202
Flow-dividing bin body, 203 flow-dividing bin outlet(discharge) flanges, 204 shunting hemisphere, flow manifold before 205, flow manifold after 206,301
Photoelectric sensor, 302 flow sensors, 401 receipts footpath storehouse inlet flanges, 402 receipts footpath Cang Canggai, 403 receipts footpath storehouses outlet methods
Blue.
Specific embodiment
Describe concrete structure and the work process of the present invention with reference to Fig. 1 ~ 6 in detail, and be example described in accompanying drawing
Property, it is only used for explaining the present invention, and be not considered as limiting the invention.
This glueballs monitoring device includes following part：Expanding storehouse 1, flow-dividing bin 2, control display 3, receipts footpath storehouse 4, Duo Geguang
Electric transducer 301, multiple flow transducer 302 and connection control display 3, photoelectric sensor 301 and flow transducer 302
Electrical cable（In figure does not mark）.
Expanding storehouse 1 is used for connecting circulating water pipeline 8 and flow-dividing bin 2, including expanding storehouse inlet flange 101, expanding Cang Canggai
102 and expanding storehouse outlet(discharge) flange 103；Wherein expanding storehouse inlet flange 101 is connected with each other with circulating water pipeline 8；Expanding Cang Canggai
102 connect expanding storehouse inlet flange 101 and expanding storehouse outlet(discharge) flange 103, and form expanding chamber 5；Expanding storehouse outlet(discharge) flange 103 with
The flow-dividing bin inlet flange 201 of flow-dividing bin 2 is connected with each other, and the diameter of expanding storehouse inlet flange 101 is less than the outlet of expanding storehouse
The diameter of flange 103.
Flow-dividing bin 2 is used for flowing in front flow manifold 205 by the glueballs in recirculated water and moisture, including flow-dividing bin entrance method
Blue 201, flow-dividing bin body 202, flow-dividing bin outlet(discharge) flange 203, shunting hemisphere 204, a plurality of front flow manifold 205, a plurality of rear point
Stream runner 206, control display 3, multiple photoelectric sensor 301, multiple flow sensor 302 and connection control display 3,
Photoelectric sensor 301 and the electrical cable of flow transducer 302；Wherein flow-dividing bin inlet flange 201 and expanding storehouse 1 is expanding
Storehouse outlet(discharge) flange 103 is connected with each other；The flow-dividing bin body 202 front end surface core becoming cylindrical is welded with an one-tenth hemisphere
The shunting hemisphere 204 of shape；Circumferencial direction along flow-dividing bin body 202 front end surface center is uniformly distributed some front flow manifolds
205, each flow manifold 205 rear end is all communicated with flow manifold 206 after accordingly；Become the front flow manifold 205 of truncated cone-shaped
Diameter of section is gradually reduced from front to back, tapered tube shape；Before and after flow manifold 206, diameter of section is equal afterwards, Ji Chengyuan
Cylindricality, its diameter is slightly larger than the diameter of glueballs used by system（Expand after avoiding glueballs life-time service）；Flow manifold after each
206 directions nearest with flow-dividing bin body 202 shell distance are provided with photoelectric sensor 301 and flow sensor 302；Photoelectric transfer
Sensor 301 and flow sensor 302 pass through electrical cable and control display 3 to be connected with each other（In figure does not mark）.Flow-dividing bin
The control display 3 that responsible control device operation, signal processing and result show is installed outside body 202, that is, controls display
Device 3 can carry out statistical counting to by the glueballs in all flow manifolds；Flow-dividing bin outlet(discharge) flange 203 and the receipts receiving footpath storehouse 4
Footpath storehouse inlet flange 401 connects.
Receive footpath storehouse 4 to be used for connecting flow-dividing bin 2 and circulating water pipeline 8, including receipts footpath storehouse inlet flange 401, receive footpath Cang Canggai
402 and receive footpath storehouse outlet(discharge) flange 403；Wherein receive footpath storehouse inlet flange 401 and the flow-dividing bin outlet(discharge) flange 203 of flow-dividing bin 2 is mutual
Connect；Receive footpath Cang Cang lid 402 to be used for connecting receipts footpath storehouse inlet flange 401 and receive footpath storehouse outlet(discharge) flange 403, and form receipts footpath chamber 6；
Receive footpath storehouse outlet(discharge) flange 403 to be connected with circulating water pipeline 8, and receive the diameter of footpath storehouse outlet(discharge) flange 403 and be less than receipts footpath storehouse entrance
The diameter of flange 401.
Operation principle when this glueballs monitoring device is run at the scene is such：Water in circulating water pipeline 8 and glueballs
Pass sequentially through a Shou Qiu room 12, circulating water pipeline 8, condenser 7, circulating water pipeline 8, the expanding storehouse 1 of this device, this device
Flow-dividing bin 2 and receipts footpath storehouse 4, two Shou Qiu room 10, the Rubber ball pump 11 of this device, eventually pass back to a Shou Qiu room 12.Wherein, when following
After glueballs in ring waterpipe 8 enters expanding chamber 5 by expanding storehouse 1, strike random dissipating to surrounding on shunting hemisphere 204
Open, and enter front flow manifold 205 accordingly；Because front flow manifold 205 is tapered pipeline, glueballs therein is caused to accelerate
Flow manifold 206 after entering after separating；1 glueballs is only allowed to pass through because rear flow manifold 206 diameter limits, so glueballs is not
Radially superposed phenomenon may occur in rear flow manifold 206；Now, it is in the photoelectric sensor in rear flow manifold 206
301 are used for recording the time that actual glueballs passes throught a（This value be probably glueballs pass through photoelectric sensor 301 sensitive surface when
Between it is also possible to time that continuously multiple glueballs pass through）, flow sensor 302 is used for real time record ought flow manifold 206 in front and back
The flow velocity of interior fluidvAfterwards,Correct the time that single glueballs passes through in timet 1,t 1The method of correction utilizes formula（1）Complete, whereinФ
The diameter of glueballs used by system.So, if |t a-t 1|×v<eThen it is assumed that now there being a glueballs to pass through rear flow manifold
206, that is,=1, whereineThe expansion error size that glueballs can be taken is it is also possible to take other values as needed；Otherwise it is assumed that now
There are multiple glueballs to continue through rear flow manifold 206, at this time utilizet aWitht 1Value, then pass through formula（2）After correction reality is passed through
Glueballs number B of flow manifold 206n, wherein symbol can represent round rule it is also possible to take it as needed
He rounds rule.
t 1=Ф/v(1).
Bn≈⌈t a/t 1⌉ (2).
In order to avoid repeat count when glueballs is monitored, need to be operated according to the following steps during the work of this device.
（1）Close a Shou Qiu room 12, open No. two Shou Qiu rooms 10, and after opening this glueballs monitoring device 9, wait simultaneously
Several minutes.Now Rubber ball pump 11 is also not actuated, there is not mobilization dynamic in circulating water pipeline, and all glueballs rest on a receipts ball
Room 12；The count results of this glueballs monitoring device 9 display should be 0.
（2）After all program initializations of display 3 to be controlled finish, open Rubber ball pump 11.Now glueballs is in Rubber ball pump 11
Power under, after Shou Qiu room 12 releases, sequentially enter circulating water pipeline 8, condenser 7, circulating water pipeline 8, this glueballs
Monitoring device 9 and No. two Shou Qiu rooms 10.After waiting this glueballs monitoring device 9 to count value stabilization（The duration waiting is concrete with unit
Situation is related）It is believed that all glueballs of cleaning condenser 7 are all monitored, now the statistics of this glueballs monitoring device 9 is passed through respectively
The result of individual rear flow manifold 206 glueballs is the quantity of all glueballs in rubber ball cleaning system.
（3）Open a Shou Qiu room 12, close No. two Shou Qiu rooms 10, after all glueballs enter a Shou Qiu room 12,
Stop all devices, complete once to monitor process, and get out next monitoring.
Claims (3)
1. a kind of high accuracy glueballs monitoring device, including by expanding storehouse inlet flange, expanding Cang Canggai and expanding storehouse outlet(discharge) flange
The expanding storehouse of composition, by flow-dividing bin inlet flange, flow-dividing bin body, flow-dividing bin outlet(discharge) flange, shunting hemisphere, a plurality of front shunting stream
Road, a plurality of rear flow manifold, multiple photoelectric sensors, multiple flow sensor and one control display composition flow-dividing bin and
By receiving footpath storehouse inlet flange, receive footpath Cang Canggai and receive the receipts footpath storehouse that footpath storehouse outlet(discharge) flange forms it is characterised in that：Described expanding storehouse
Inlet flange is connected with each other with circulating water pipeline；Described expanding Cang Canggai connects expanding storehouse inlet flange and expanding storehouse outlet method
Blue；Described expanding storehouse outlet(discharge) flange and flow-dividing bin inlet flange are connected with each other；Described flow-dividing bin body front end surface core
Welding shunting hemisphere；Circumferencial direction along flow-dividing bin body front end surface center is uniformly distributed some described front flow manifolds,
Each front flow manifold rear end is all communicated with described accordingly rear flow manifold；Flow manifold and flow-dividing bin body after each
Shell distance is provided with described photoelectric sensor and flow sensor on nearest direction；Photoelectric sensor, flow sensor lead to
Cross electrical cable and described control display is connected with each other；Described flow-dividing bin outlet(discharge) flange is connected with receiving footpath storehouse inlet flange；
Described receipts footpath Cang Canggai connects receipts footpath storehouse inlet flange and receives footpath storehouse outlet(discharge) flange；Described receipts footpath storehouse outlet(discharge) flange and circulating water pipe
Road connects.
2. a kind of high accuracy glueballs monitoring device according to claim 1 it is characterised in that described front flow manifold in the past
Diameter of section is gradually reduced backward, tapered tube shape；Described rear flow manifold is with described flow-dividing bin body housing distance
Near direction is provided with described photoelectric sensor and flow sensor.
3. according to a kind of high accuracy glueballs monitoring device described in claim 1 it is characterised in that institute in described rear flow manifold
State the time that the actual glueballs of photosensors record passes throught a, fluid in flow manifold after described flow sensor real time record
Flow velocityvAfterwards,Correct the time that single glueballs passes through in timet 1,t 1The method of correction utilizes formula（1）Complete, whereinФFor system institute
Diameter with glueballs.If |t a-t 1|×v<eThen it is assumed that now there being a glueballs to pass through rear flow manifold, that is,=1, whereineTake the expansion error size of glueballs, or take other values as needed；Otherwise it is assumed that dividing after now having multiple glueballs to continue through
Stream runner, at this time utilizest aWitht 1Value, then pass through formula（2）Correction reality is by glueballs number B of rear flow manifoldn, wherein
Symbol represents round rule, or takes other to round rule as needed；
t 1=Ф/v(1)
Bn≈t a/t 1(2).
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| CN201510315220.8A CN104864768B (en) | 2015-06-11 | 2015-06-11 | A kind of high accuracy glueballs monitoring device |
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| CN104864768B true CN104864768B (en) | 2017-03-01 |
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Families Citing this family (5)
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| CN108050881B (en) * | 2017-12-09 | 2019-12-03 | 河南智然美环境科技有限公司 | Glueballs, which is counted, monitors system with glueballs form |
| CN108548448B (en) * | 2018-05-11 | 2023-05-16 | 沈阳工程学院 | Device and method for online monitoring and automatic ball supplementing of rubber ball quantity based on ultrasonic sensing technology |
| CN108645274B (en) * | 2018-05-11 | 2019-06-21 | 东北大学 | A kind of full-automatic glueballs monitoring and supplementary device |
| CN111442154A (en) * | 2020-04-03 | 2020-07-24 | 杭州航民江东热电有限公司 | Circulating device for cleaning pipeline |
| CN112161507A (en) * | 2020-09-17 | 2021-01-01 | 贵州天睿水处理节能有限公司 | A some football shirt is put for gluing ball cleaning system |
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| CN1197770A (en) * | 1997-04-25 | 1998-11-04 | 史政 | Rubber ball cleaning system for steam condenser |
| CN101216270A (en) * | 2008-01-18 | 2008-07-09 | 沈阳工程学院 | Electricity plant condenser ball cleaning automatic monitoring device |
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