CN204594315U - Fluid vein dynamic formula junction station - Google Patents
Fluid vein dynamic formula junction station Download PDFInfo
- Publication number
- CN204594315U CN204594315U CN201520071671.7U CN201520071671U CN204594315U CN 204594315 U CN204594315 U CN 204594315U CN 201520071671 U CN201520071671 U CN 201520071671U CN 204594315 U CN204594315 U CN 204594315U
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- fluid
- cylindrical shell
- introduction port
- flutter valve
- junction station
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Abstract
The utility model provides a kind of fluid vein dynamic formula junction station, comprise the drive unit set gradually from top to bottom, bearing housing and cylindrical shell, cylinder lateral wall there is the identical axis of diameter be positioned at least two fluid introduction port in same level, the gyroaxis that upper end is connected with drive unit power output shaft is had in bearing housing, revolution shaft lower end stretches in cylindrical shell through bearing housing, and be connected with flutter valve, gap is had between flutter valve and cylindrical shell, flutter valve sidewall is provided with the multiple through flow holes coaxially arranged with fluid introduction port, the width of through flow hole is identical with the diameter of fluid introduction port, during use, after flutter valve turns to certain position, two fluid introduction port one be connected with two glueballs outlets of same arrow type double-plate structure ball screen are closed, open for one.This junction station controls ball screen two glueballs outlet uninterrupteds by flutter valve revolution, has stopped the phenomenon that the large side discharge of hydraulic resistance that three way type junction station structure formed reduces.
Description
Technical field
The utility model belongs to thermal power plant Turbine Island rubber ball cleaning system for steam condenser technical field, relates to the glueballs recovery system of the condenser cooling water system rubber ball cleaning system of a kind of thermal power plant Turbine Island, particularly a kind of fluid vein dynamic formula junction station.
Background technology
The existing thermal power plant Turbine Island condenser cooling water system overwhelming majority have employed rubber ball cleaning system, impurity accompanying by inside, effective removing heat exchange tube of condenser road and dirt, improve the cleannes of heat exchanger tube inwall, thus raising heat exchanger effectiveness, ensure that steam turbine can run under the design conditions of the best, improve generatine set heat efficiency, reduce energy loss.Meanwhile, clean cooling water pipeline, reduces and prevents the underdeposit corrosion of heat exchange pipeline inwall, extend the service life of heat exchanger tube in time, improves reliability and the security of unit.
One of key equipment of rubber ball cleaning system for steam condenser is rubber ball recovery net, and in the present circumstance, what fired power generating unit was most widely used is traditional two mesh-plate structure of arrow type.Patent " a kind of two limit self formula ball screen " (patent No. ZL201210272004.6, notification number CN102767988B, day for announcing 2014.09.03), patent " crank connecting rod type ball net drawing device " (patent No. ZL200310114491.4, notification number CN100374809C, day for announcing 2008.03.12) and patent " electric power plant condenser ball purging system " (patent No. ZL201320882135.6, notification number CN203744822U, day for announcing 2014.07.30) be all the arrow type Dual Action mesh-plate structure adopting counter-flow arrangement, the angle space formed between movable screen and ball screen cylindrical shell is utilized to collect glueballs, and discharge glueballs by the glueballs outlet of two on cylindrical shell, make every effort to the rate of recovery and the operational reliability that improve glueballs.System disclosed in above-mentioned patent has two glueballs outlets.Due to two glueballs introduction pipes at the scene cloth be set up and be difficult to reach identical hydraulic resistance; When waterpower is uneven, the little side glueballs outlet discharge of hydraulic resistance is large, and opposite side glueballs outlet discharge is little, be easy to the side blocking glueballs causing rubber ball recovery net two glueballs outlets, cause rubber ball cleaning system ball collecting rate obviously to reduce, when the web plate of rubber ball recovery net is opened, glueballs loses problem.
Summary of the invention
The purpose of this utility model is to provide a kind of fluid vein dynamic formula junction station, prevents the glueballs outlet blocking glueballs of arrow type double-plate structure ball screen, improves the receipts ball efficiency of arrow type double-plate structure ball screen.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of fluid vein dynamic formula junction station, comprise the drive unit set gradually from top to bottom, the cylindrical shell of the bearing housing of tubular and the barrel-shaped of opening upwards, cylinder lateral wall is provided with at least two identical fluid introduction port of diameter, and the quantity of fluid introduction port is even number, the axis of all fluid introduction port is all positioned in same level, gyroaxis is provided with in bearing housing, gyroaxis upper end is connected with the power output shaft of drive unit, revolution shaft lower end stretches in cylindrical shell through bearing housing, and be fixedly connected with flutter valve, gap is had between flutter valve and cylindrical shell, the sidewall of flutter valve is provided with the multiple through flow holes coaxially arranged with fluid introduction port, the width of through flow hole in the vertical direction is greater than fluid introduction port diameter 5 ~ 10 millimeters, during use, after flutter valve turns to certain position, two fluid introduction port one be connected with two glueballs outlets of same arrow type double-plate structure ball screen are closed, open for one.
Further, during use, two fluid introduction port that this pulsating junction station is connected with two glueballs outlets of same arrow type double-plate structure ball screen are communicated with these two glueballs outlets respectively by pipeline, these two pipelines are separately installed with valve, play buffer action.Meanwhile, when this pulsating junction station breaks down, can manual operation, alternately make one of them valve closing, another valve open, play the effect preventing one-sided stifled ball.
The utility model pulsating junction station has the following advantages:
1) structure is simple, easy for installation.According to site space, two outlets of ball screen can be arranged along locus, without the need to deliberately accomplishing that fairlead is symmetrical to the geometry of junction station.
2) the one-sided stifled ball of arrow type Dual Action mesh-plate structure ball screen glueballs outlet can be stopped.Control ball screen two glueballs outlet uninterrupteds by flutter valve transposition, when side glueballs outlet is blocked by flutter valve time, another glueballs outlet is in release position.Stop the phenomenon that the large side of hydraulic resistance that traditional three way type junction station structure formed does not have current.
3) investment reduction and emission reduction effect obvious.Without the need to transforming traditional rubber ball cleaning system ball screen, just can improve it and receiving ball efficiency.Investment reduction, reduces the wasting of resources.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the utility model pulsating junction station.
Fig. 2 is the A-A sectional view of Fig. 1.
In figure: 1. cylindrical shell, 2. first fluid intake, 3. sealing device, 4. bearing housing, 5. drive unit, 6. shaft coupling, 7. clamp nut, 8. bearing, 9. gyroaxis, 10. second fluid intake, 11. flutter valves, 12. fluid discharge outlets, 13. through flow holes.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model pulsating junction station, comprise the barrel-shaped cylindrical shell 1 of opening upwards, cylindrical shell 1 sidewall is provided with the identical first fluid intake 2 of diameter and second fluid intake 10, the axis of first fluid intake 2 and the axis of second fluid intake 10 are positioned in same level, and the angle between first fluid intake 2 axis and second fluid intake 10 axis is 90 ° ~ 270 °; Cylindrical shell 1 is also provided with fluid discharge outlet 12, and fluid discharge outlet 12 can be arranged at bottom cylindrical shell 1, also can be arranged on the sidewall of cylindrical shell 1.When on the sidewall that fluid discharge outlet 12 is arranged at cylindrical shell 1, fluid discharge outlet 12 is positioned at the below of two fluid introduction port, and is staggeredly arranged with these two fluid introduction port; Cylindrical shell 1 top is provided with the bearing housing 4 of tubular, and bearing housing 4 top is provided with drive unit 5; Gyroaxis 9 is provided with in the endoporus of bearing housing 4, the upper end of gyroaxis 9 is connected by the power output shaft of shaft coupling 6 with drive unit 5, the lower end of gyroaxis 9 is stretched in cylindrical shell 1 through bearing housing 4, bearing housing 4 endoporus lower end is provided with sealing device 3, stacking gradually above of sealing device 3 is provided with two cover bearings 8, gyroaxis 9 is connected with bearing housing 4 by bearing 8, and the gyroaxis 9 above bearing 8 is set with clamp nut 7, by clamp nut 7 rigid bearing 8; Gyroaxis 9 one end stretched in cylindrical shell 1 is fixedly connected with flutter valve 11,0.5 ~ 10 millimeter of gap is had between flutter valve 11 and cylindrical shell 1, flutter valve 11 is columnar structured, be fixedly connected with gyroaxis 9 by dowel, or, flutter valve 11 is inverted barrel shaped structure, and its top cover is fixedly connected with gyroaxis 9; The sidewall of flutter valve 11 is provided with square through flow hole 13, and the width of through flow hole 13 in the vertical direction is greater than the diameter 5 ~ 10 millimeters of fluid introduction port, and through flow hole 13 horizontal symmetry axis and fluid introduction port are coaxially arranged.
When using the utility model pulsating junction station: by pipeline, first fluid intake 2 is communicated with two glueballs outlets of glueballs ball screen respectively with second fluid intake 10, and on these two pipelines, a valve is installed respectively; Fluid discharge outlet 12 is communicated with rubber ball cleaning pump intake.When rubber ball cleaning system runs, cylindrical shell 1 inside is full of the liquid of certain pressure.Drive unit 5 drives gyroaxis 9 to rotate by shaft coupling 6, and gyroaxis 9 drives flutter valve 11 to turn round; When through flow hole 13 is connected with first fluid intake 2, sidewall relative with through flow hole 13 on flutter valve 11 has blocked second fluid intake 10 just, now, under the swabbing action of Rubber ball pump, the glueballs outlet that arrow type double-plate structure ball screen is communicated with first fluid intake 2 forms a large amount of current, it is inner that these current enter flutter valve 11 by first fluid intake 2, then it is inner to enter cylindrical shell 1, then enters rubber ball cleaning pump intake by fluid discharge outlet 12.Under the effect of great deal running water, the blocking of the glueballs outlet preventing glueballs to be communicated with first fluid intake 2 at arrow type double-plate structure ball screen.When through flow hole 13 is connected with second fluid intake 10, sidewall relative with through flow hole 13 on flutter valve 11 has blocked first fluid intake 2 just, now, under the swabbing action of Rubber ball pump, the glueballs outlet that arrow type double-plate structure ball screen is communicated with second fluid intake 10 forms a large amount of current, these current are entered in flutter valve 11 by second fluid intake 10, then flow in cylindrical shell 1, then enter rubber ball cleaning pump intake by fluid discharge outlet 12.Under the effect of great deal running water, the blocking of the glueballs outlet preventing glueballs to be communicated with second fluid intake 10 at arrow type double-plate structure ball screen.
The valve that the pipeline that the utility model pulsating junction station and glueballs ball screen glueballs two outlets are communicated with is installed, plays buffer action.Meanwhile, when this pulsating junction station breaks down, can manual operation, make one of them valve closing, another valve open, play the effect preventing one-sided stifled ball.
Sealing device 3 can anti-fluid enter in bearing housing 4.
The utility model pulsating junction station controls the change of two fluid introduction port apertures on cylindrical shell 1 by flutter valve 11, make the discharge in two fluid introduction pipelines produce pulsatile change, prevent arrow type double-plate structure ball screen glueballs outlet generation glueballs from blocking.
The utility model pulsating junction station also can make the junction station of multiple fluid introduction port, now, be connected with the fluid introduction port of this pulsating junction station respectively by the glueballs outlet of many pipelines by multiple ball screen, simultaneously, relative set is carried out to the position of the through flow hole 13 on flutter valve 11, two fluid introduction port one be connected with two glueballs outlets of same arrow type double-plate structure ball screen is closed, one open.
Claims (4)
1. a fluid vein dynamic formula junction station, it is characterized in that, comprise the drive unit (5) set gradually from top to bottom, the cylindrical shell (1) of the bearing housing (4) of tubular and the barrel-shaped of opening upwards, cylindrical shell (1) sidewall is provided with at least two identical fluid introduction port of diameter, and the quantity of fluid introduction port is even number, the axis of all fluid introduction port is all positioned in same level, gyroaxis (9) is provided with in bearing housing (4), gyroaxis (9) upper end is connected with the power output shaft of drive unit (5), gyroaxis (9) lower end is stretched in cylindrical shell (1) through bearing housing (4), and be fixedly connected with flutter valve (11), gap is had between flutter valve (11) and cylindrical shell (1), the sidewall of flutter valve (11) is provided with the multiple through flow holes (13) coaxially arranged with fluid introduction port, the width of through flow hole (13) in the vertical direction is greater than fluid introduction port diameter 5 ~ 10 millimeters.
2. fluid vein dynamic formula junction station according to claim 1, it is characterized in that, described fluid discharge outlet (12) is arranged on the sidewall of cylindrical shell (1) bottom or cylindrical shell (1), when fluid discharge outlet (12) is arranged on cylindrical shell (1) sidewall, fluid discharge outlet (12) is positioned at the below of fluid introduction port, and is staggeredly arranged with fluid introduction port.
3. fluid vein dynamic formula junction station according to claim 1, is characterized in that, the gap between described flutter valve (11) and cylindrical shell (1) is 0.5 ~ 10mm.
4. fluid vein dynamic formula junction station according to claim 1, is characterized in that, described bearing housing (4) endoporus lower end is provided with sealing device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071671.7U CN204594315U (en) | 2015-02-02 | 2015-02-02 | Fluid vein dynamic formula junction station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520071671.7U CN204594315U (en) | 2015-02-02 | 2015-02-02 | Fluid vein dynamic formula junction station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594315U true CN204594315U (en) | 2015-08-26 |
Family
ID=53930461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520071671.7U Expired - Fee Related CN204594315U (en) | 2015-02-02 | 2015-02-02 | Fluid vein dynamic formula junction station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596349A (en) * | 2015-02-02 | 2015-05-06 | 蒋平锁 | Fluid pulsation type confluence device |
-
2015
- 2015-02-02 CN CN201520071671.7U patent/CN204594315U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596349A (en) * | 2015-02-02 | 2015-05-06 | 蒋平锁 | Fluid pulsation type confluence device |
| CN104596349B (en) * | 2015-02-02 | 2016-06-08 | 蒋平锁 | Fluid vein dynamic formula junction station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20170202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |