CN203642780U - Ball recovery net used during rubber ball cleaning - Google Patents
Ball recovery net used during rubber ball cleaning Download PDFInfo
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- CN203642780U CN203642780U CN201320656219.8U CN201320656219U CN203642780U CN 203642780 U CN203642780 U CN 203642780U CN 201320656219 U CN201320656219 U CN 201320656219U CN 203642780 U CN203642780 U CN 203642780U
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- housing
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- half net
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Abstract
The utility model provides a ball recovery net used during runner ball cleaning, which is characterized by comprising a cylindrical housing; a circle of bearing rings are fixedly arranged on the inner wall at the upper part of the housing; a delivery tube is arranged at the lower part of the housing; a ball inlet is formed in one end of the delivery tube, and coaxial to the housing; a ball recovery net taking the shape of a circular truncated cone is arranged in the housing, and comprises a fixed half net and a movable half net, arranged symmetrically; the upper ends of the fixed half net and the movable half net are provided with supporting rings erected on the bearing rings; the lower ends of the fixed half net and the movable half net are communicated with the ball inlet; the upper parts of the fixed half net and the movable half net are respectively connected onto the housing through supporting shafts arranged symmetrically; a screw rod passes through the ball recovery net and is erected on the housing through a bearing; a thread is formed in the screw rod; a guiding slide block is screwed on the screw rod and fixedly connected onto the movable half net. The ball recovery net can recover balls effectively, and can operate safely, reliably and continuously.
Description
Technical field
The utility model belongs to a kind of cleaning equipment that is applicable to 50～1000MW turbine generator unit condenser cooling water pipe.
Background technology
Condenser cooling water pipe uses after a period of time and there will be fouling, affect condenser heat exchange efficiency, and use glueballs to clean and can wash dirt, raising condenser heat exchange efficiency, thus maintain the poor and turbine back pressure of the end of condenser; Avoid condenser pipe inner wall corrosion simultaneously, improve service condition, extend unit durability.
Clean in order to ensure condenser pipe inwall, improve glueballs ball collecting rate, at present common several glueballs clean ball screen and are generally made up of executing agency and automatic controls.Executing agency's part comprises electric device, transmission mechanism, housing, web plate, and vollyball pipe composition; Automatic controls is made up of differential pressure controller and PLC control case able to programme.
Prior art one: adopt straight-plate-type herringbone structure, its shortcoming is: single fulcrum twisting poor rigidity, after water punching, yielding generation is lost, and pipe inner joint difference has gap easily to block ball, lose; Adopt mechanical position limitation control, easily produce moment distortion; Web plate mostly is that iron plate builds up and the gradient is little, returns serve not smooth.
Prior art two: adopt double leaf push-and-pull protecting wing type structure, its shortcoming is: two and half nets move simultaneously, and transmission resistance greatly, easily produces moment distortion, the problem of losing.
Above-mentioned several form structure complexity, the disadvantage such as resistance is larger, has installation and repairing inconvenience simultaneously, and the repair time is long.
Utility model content
The utility model provides a kind of glueballs to clean ball screen, its objective is and solves the shortcoming that prior art exists, and provides one can effectively receive ball, and the ball screen of safe and reliable continuous operation.
The utility model solves the technical scheme that its technical problem adopts:
Glueballs cleans ball screen, it is characterized in that: comprise cylindrical housings, housing upper end is water inlet, and lower end is delivery port; The inwall on housing top is installed with a circle and accepts ring; Lower housing portion is provided with a delivery line, and one end of delivery line is ball hole, and ball hole is coaxial with housing; In housing, be provided with the ball screen of a circular cone bench-type, ball screen is made up of with mobile half net symmetrically arranged half net of fixing, the upper end of fixing half net and mobile half net is equipped with and is erected at the above-mentioned support ring of accepting on ring, the lower end of fixing half net and mobile half net all communicating with above-mentioned ball hole, fix half net and mobile top of partly netting respectively by symmetrically arranged back shaft support and connection on housing; Wherein mobile half net is to be hinged on symmetrically arranged back shaft, fix the symmetrically arranged back shaft that half net is corresponding with it and be connected, and fixing half lower end of netting and the ball hole of delivery line is connected; One rhizoid bar is located on housing with bearing bracket stand through ball screen and screw mandrel, and screw mandrel is provided with screw thread, and guide runner is arranged on screw mandrel and guide runner is connected in mobile half online; The part that screw mandrel is positioned at outside housing connects the YE being made up of motor and decelerator; Housing is provided with differential pressure pickup, and differential pressure pickup is electrically connected with controller, and controller is electrically connected with YE.
Fix half net and mobile half net by skeleton and be welded on the overall punching press web plate formation on skeleton.
On described screw mandrel, set screw thread is trapezoidal thread.
Usefulness of the present utility model is:
The utility model ball cleaning apparatus ball screen adopts the circular cone bench-type of single leaf push-and-pull, is also the funneling curved surface screen pack of heavy grade.While receiving ball, YE only drives screw mandrel and a guide runner motion, realize the movement half net motion folding of ball screen by guide runner, thereby the transmission resistance of having avoided two slide blocks, two and half nets simultaneously to move causing greatly, easily produces that moment distortion, motion are smooth, bite, the problem of losing.
Also tool has the following advantages:
A. screw mandrel and a guide runner resistance of motion are little, stable drive, and transmission power is little;
B. adopt and fix half net and design with two back shafts, 3 rigidity of delivery line, the rigidity of equipment is strengthened to greatest extent, indeformable, thus useful life of equipment is greatly increased;
C. coaxial to be also positioned at the middle position of housing be flow rate of water flow maximum for ball screen and delivery line interface and housing, is to be beneficial to the position of receiving ball most, for the moment of glueballs is collected and created advantage;
D. the circular cone bench-type curved design of ball screen greatly increases filter area, therefore has larger through-flow multiplying power;
E. the ball screen plate of ball screen adopts overall punching press web plate, and skeleton closely pastes weldering, becomes as a whole,
F. adopt the funneling curved surface screen pack of heavy grade, the smooth not stifled ball of wire side, holds back glueballs without dead angle, can improve to greatest extent the service life of glueballs;
G. the funneling curved surface screen pack of heavy grade has ensured that web plate flow-passing surface has very little pressure reduction, meanwhile, does not cause again foreign material to hang over easily on web plate, affects through-flow multiplying power;
E. trapezoidal thread screw mandrel and the slide block kind of drive, has ensured this device action flexibility and reliability, stable, safe feature.
In a word, overall structure is simple and practical, and installation, adjustment, dismounting, easy to maintenance only can be carried out the replacing of part by manhole, and can realize unattended on-line operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model vertical section structure figure;
Fig. 2 is the utility model cross section structure figure.
Detailed description of the invention
As shown in Figure 1 and Figure 2, the utility model comprises cylindrical housings 1, and housing 1 upper end is water inlet 11, and lower end is delivery port 12; Housing 1 side is provided with inspection manhole 14.The inwall on housing 1 top is installed with a circle and accepts ring 13.
Housing 1 bottom is provided with a delivery line 6, and one end of delivery line 6 is ball hole 61, and ball hole 61 is coaxial with housing 1, the interior peripheral hardware ball valve of delivery line 6.
In housing 1, be provided with the ball screen 2 of a circular cone bench-type, ball screen 2 is made up of with mobile half net 22 symmetrically arranged half net 21 of fixing, fix half net 21 and move half net 22 and be half-conical table top, fix half net 21 and mobile half net 22 by skeleton and be welded on the overall punching press web plate formation on skeleton, the upper end of fixing half net 21 and mobile half net 22 is equipped with and is erected at the above-mentioned support ring 23 of accepting on ring 13, and the lower end of fixing half net 21 and mobile half net 22 all communicates with above-mentioned ball hole 61.
The top of fixing half net 21 and mobile half net 22 respectively by symmetrically arranged back shaft 8 support and connection on housing 1, also have 8, two back shaft 8 correspondences of 4 back shafts to fix 21, two back shafts of half net, 8 corresponding movement half nets 22; Wherein mobile half net 22 is to be hinged on symmetrically arranged two back shafts 8, fixes symmetrically arranged two back shafts 8 that half net 21 is corresponding with it and is connected, and fix the lower end of half net 21 and the ball hole 61 of delivery line 6 is connected.
One rhizoid bar 3 also passes and fixes half net 21 and mobile half net 22 through ball screen 2, and screw mandrel 3 is erected on housing 1 with bearing 4, screw mandrel 3 is provided with 31, one guide runners 5 of trapezoidal thread and is arranged on the ladder screw thread 31 of screw mandrel 3, and guide runner 5 is connected on mobile half net 22; The part that screw mandrel 3 is positioned at outside housing connects the YE 7 being made up of motor and decelerator; Housing 1 is provided with differential pressure pickup, and differential pressure pickup is electrically connected with controller (can be PLC controller), and controller is electrically connected (differential pressure pickup and controller are not shown in the figures) with YE 7.
The present embodiment is that the bore of water inlet 11, delivery port 12 is DN1800, operating pressure 0.2～0.6MPa, ball cleaning apparatus, housing 1 adopts inside and outside wall preservative treatment, wall thickness to adopt 10mm, entirety punching press web plate adopts stainless steel, screw mandrel 3 adopts stainless steel, and guide runner 5 adopts cast tin bronze.Wherein: housing 1 nominal dimension is: the upper bottom surface of φ 1800 × 2300, ball screen 2 is φ 1788 × 1695; Maintenance flange and the blind flange of inspection manhole 14 are: φ 615 × 26, and the present embodiment delivery line 6 is DN125, and screw mandrel 3 is M60 × 2035, and guide runner 5 is: 115 × 90 × 90.The present embodiment supporting YE 7(translator of being correlated with) model be ZW45-18/50; Differential pressure pick-up is 530/7DD; The ball valve of delivery line 6 peripheral hardwares is DN125; The Pressure gauge of equipment configuration is Y-100.
The utility model equipment and technology and design feature, receipts ball principle:
Whole ball cleaning apparatus cleans ball screen (the utility model structure), ball collector, point remittance device etc. by Rubber ball pump, glueballs and forms.Cleaning principle is: in rubber ball cleaning system, by Rubber ball pump, hygrometric state (suctioning after the water) glueballs leaving in ball collector is sent into condenser circulating water pipe, ball enters condenser together with current, and get into and pass through cooling tube under current promote, because glueballs slightly larger in diameter is in cooling tube internal diameter, thus by time become garden anchor ring to contact with inside pipe wall, cooling tube inwall all can be cleaned one time, remove one time dirt, the dirt of removing is taken condenser out of by recirculated water.The sticky dirt on glueballs surface, in the time that glueballs leaves the momentary recovery original state of cooling tube outlet, its overwhelming majority is sprung in water, remainder is also Ex-all substantially after washing in ball water mixed flow, glueballs by condenser is concentrated in ball screen 2, through delivery line 6, extracted out by Rubber ball pump again, through check-valves, enter ball collector and start to circulate for the second time until cooling tube is cleaned up.Thereby it is clean to maintain condenser pipe inwall.When ball screen 2 of the present invention uses, glueballs can be separated from cooling water, and be ensured not lose, do not block ball.While flowing out from condenser the water process ball screen 2 of carrying glueballs secretly, ball is recovered and is drawn from ball screen 2 by delivery line 6.Movement half net 22 of the half cone mesa shape of ball screen 2 can rotate around back shaft 8, in the time of glueballs shuttling movement, frustum ball screen 2 is placed in " receipts ball " position, fix half net 21 and move half net 22 and be merged into frustum ball screen 2, in the time that the glueballs that do not put into operation cleans, frustum ball screen body is placed in " backwash " position, now YE 7 drives screw mandrel 3 to rotate, trapezoidal thread 31 outwards moves guide runner 5, mobile half net 22 can rotate around back shaft 8, make set accepting between ring 13 on the support ring 23 of mobile half net 22 and housing 1 produce gap, fix foreign material on the web plate of half net 21 and mobile half net 22 washed away, reduce again the water resistance of web plate simultaneously.
The machine is provided with differential voltage protection and two kinds of operating modes of fixed time cleaning:
1) differential pressure security: during system operation is cleaned, when recording ball screen 2 front and back pressure reduction, differential pressure pickup reaches when setting value, signal is dealt into controller, controller control system is reported to the police, stop cleaning condenser to condenser release, after time delay 10 minutes, close stop valve, controller is opened YE 7, thereby drive screw mandrel 3 to rotate, guide runner 5 slides, mobile half net 23 rotates around back shaft 8, thereby open ball screen 2, current carry out backwash and clean the foreign material on ball screen 2 until pressure reduction drops to setting, reverse drive screw mandrel 3 rotates again, guide runner 5 slides, mobile half net 23 rotates around back shaft 8, thereby close ball screen 2, open ball valve, continue to clean condenser work to condenser release.
2) fixed time cleaning: under fixed cycle operator mode, can, according to cleaning requirement, (can set arbitrarily time adjusting range at regular intervals; 0.1 second～999 hours) startup system cleans the operation of ball screen 2.
The utility model is innovated in structural design, reasonable in design, simple in structure, and the time between overhauls(TBO) is long, and maintenance is convenient, ensures that condenser pipe inwall is clean, improves ball cleaning apparatus efficiency.
Claims (3)
1. glueballs cleans ball screen, it is characterized in that: comprise cylindrical housings, housing upper end is water inlet, and lower end is delivery port; The inwall on housing top is installed with a circle and accepts ring; Lower housing portion is provided with a delivery line, and one end of delivery line is ball hole, and ball hole is coaxial with housing; In housing, be provided with the ball screen of a circular cone bench-type, ball screen is made up of with mobile half net symmetrically arranged half net of fixing, the upper end of fixing half net and mobile half net is equipped with and is erected at the above-mentioned support ring of accepting on ring, the lower end of fixing half net and mobile half net all communicating with above-mentioned ball hole, fix half net and mobile top of partly netting respectively by symmetrically arranged back shaft support and connection on housing; Wherein mobile half net is to be hinged on symmetrically arranged back shaft, fix the symmetrically arranged back shaft that half net is corresponding with it and be connected, and fixing half lower end of netting and the ball hole of delivery line is connected; One rhizoid bar is located on housing with bearing bracket stand through ball screen and screw mandrel, and screw mandrel is provided with screw thread, and guide runner is arranged on screw mandrel and guide runner is connected in mobile half online; The part that screw mandrel is positioned at outside housing connects the YE being made up of motor and decelerator; Housing is provided with differential pressure pickup, and differential pressure pickup is electrically connected with controller, and controller is electrically connected with YE.
2. glueballs as claimed in claim 1 cleans ball screen, it is characterized in that: fix half net and mobile half net by skeleton and be welded on the overall punching press web plate formation on skeleton.
3. glueballs as claimed in claim 1 cleans ball screen, it is characterized in that: on described screw mandrel, set screw thread is trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656219.8U CN203642780U (en) | 2013-10-23 | 2013-10-23 | Ball recovery net used during rubber ball cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656219.8U CN203642780U (en) | 2013-10-23 | 2013-10-23 | Ball recovery net used during rubber ball cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642780U true CN203642780U (en) | 2014-06-11 |
Family
ID=50874016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656219.8U Expired - Fee Related CN203642780U (en) | 2013-10-23 | 2013-10-23 | Ball recovery net used during rubber ball cleaning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203642780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059451A (en) * | 2018-09-10 | 2018-12-21 | 长兴越达陶艺厂 | A kind of Ceramic manufacturing drying process device |
-
2013
- 2013-10-23 CN CN201320656219.8U patent/CN203642780U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059451A (en) * | 2018-09-10 | 2018-12-21 | 长兴越达陶艺厂 | A kind of Ceramic manufacturing drying process device |
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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: 20140611 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |