CN206706904U - A kind of integrated siphonic water-collecting well of series - Google Patents
A kind of integrated siphonic water-collecting well of series Download PDFInfo
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- CN206706904U CN206706904U CN201720225452.9U CN201720225452U CN206706904U CN 206706904 U CN206706904 U CN 206706904U CN 201720225452 U CN201720225452 U CN 201720225452U CN 206706904 U CN206706904 U CN 206706904U
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- weir
- water
- inner barrel
- cylindrical inner
- collecting well
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Abstract
The utility model discloses the siphonic water-collecting well that a kind of series is integrated, including cylindrical outer barrel body, cylindrical inner barrel and arcuate movement weir, the cylindrical inner barrel is co-axially located at the bottom of the cylindrical outer barrel body, the bottom of the cylindrical inner barrel is provided with water inlet, its top is surrounded by delivery port, the arcuate movement weir includes the weir plate that polylith is slidably arranged in the cylindrical inner barrel top peripheral, every piece of weir plate is provided with one or more movable barrage lifting headstock gears, the movable barrage lifts headstock gear by weir plate corresponding to lifting to open and close delivery port corresponding to surrounding at the top of cylindrical inner barrel.The utility model fundamentally reduces construction costs, optimizes hydraulics, and combine the regulatory function on arcuate movement weir, circulation is realized under the conditions of different tide water levels to the dynamic regulation of water level on weir, a kind of new approach is provided for direct cooling water supply electric power plant circulating water energy saving of system consumption reduction.
Description
Technical field
The utility model belongs to direct cooling water supply power plant for energy conservation technical field, more particularly to the siphon that a kind of series is integrated
Well.
Background technology
In river, river, seashore power plant, cooled down more using direct-flow water supply system, once-through cycle cooling water system
System is widely used in different capabilities fired power generating unit, and its water supply flow is usually：Intake --- aqueduct
Ditch --- forebay --- circulating pump room --- pressure water supply pipeline --- condenser --- drainpipe --- siphon
Well --- by-wash --- discharge outlet.In this water system, siphonic water-collecting well is a very crucial structures.Siphonic water-collecting well can
Using siphon principle, to reduce the unnecessary lift of water circulating pump and save electricity consumption, reduce production cost, its operation principle is：
In once-through cooling water system, condenser is often in the extreme higher position of system, and condenser drainpipe is exported from condenser and drawn
Drop to rapidly compared with low spot afterwards so that, in normal operation, tieed up as the hump point of system to export condenser condenser outlet
Relatively stable negative pressure is held, sets siphonic water-collecting well to realize by being exported in condenser.Siphonic water-collecting well makes the condenser of system extreme higher position
And its hydraulic pressure in outlet port remains negative value, to reduce circulating pump head, so as to reduce station-service electricity.Meanwhile protect
The siphonage of card circulation condenser is not destroyed, and especially when Calculations of Hydraulic Transient occurs for system, utilizes siphon
The water level and water provided in well, produce condenser drainpipe and flow backwards siphonage, slow down the decline of condenser outlet pressure
Amplitude, prevent occurring excessive negative pressure because of water hammering, cause water hammer due to cavities collapsing, form system potential safety hazard.
In some existing Practical Projects, siphonic water-collecting well generally use monolithic reinforced concrete structure, it is provided with siphonic water-collecting well
The downflow weir of level altitude.The siphonic water-collecting well of one side the prior art design uses rectangular configuration more, to meet overflow water
Design requirement, body dimension design larger, and the operation of another aspect circulation can not be according to the change of damp (river) water level
And dynamic regulation, it is impossible to give full play to the energy-saving effect of siphonic water-collecting well.The particularly power plant of some strands, when the flat absolute altitude in general layout field
When relatively low, and unit under-capacity operation and when needing water circulating pump list pump operation, circulating point will slide to water pump
Characteristic curve right-hand member, even there is the risk for skidding off curve when running into extreme high water level.If the operation of curve right-hand member is chronically at, no
Water circulating pump is in the operation of non-efficient area without saving, also its life-span is adversely affected, then now with regard to needing to carry
For a kind of regulation mechanism, the operating point of artificial dynamic regulation list pump operation, system safety and energy-conservation are realized.
In summary, once-through cycle water system siphonic water-collecting well is primarily present problems with present：
1st, traditional steel and concrete structure siphonic water-collecting well pattern size is larger, costly, construction period is longer；
2nd, traditional weir-type is excessively simple, can make weir current deflecting side, excessively stream velocity flow profile is uneven, after easily causing weir
Local scour, severe patient can also cause the integrally-built destruction of siphonic water-collecting well drainage system；
3rd, without dynamic regulation measure, when tidewater (river) position changes, it is impossible to water level before regulation siphonic water-collecting well weir in real time, it is special
It is not that water circulating pump is chronically at low efficiency region operation in single pump operation, adds water circulating pump list pump operation operating point cunning
Go out the risk of pump characteristic, while energy consumption is big and influences water circulating pump service life；Advance additionally, due to condenser entrance
Water pressure is low, may cause difficulty for the water inlet of subsidiary engine circulation, be set on subsidiary engine circulation water inlet pipe electronic
Water filter, open type pump can not be arranged in zero meter of steam turbine building, and this problem is especially in Coastal Power Plant that flat absolute altitude is relatively low, outside on the spot
Water source is in more obvious during high water level；
4th, can not according to design water fast design, can not produce in batches.
Utility model content
The problem of existing for current once-through cycle water system siphonic water-collecting well, the purpose of this utility model is to provide one kind
The integrated siphonic water-collecting well of series, it fundamentally reduces construction costs, optimizes hydraulics, and combines arcuate movement weir
Regulatory function, circulation is realized under the conditions of different tide water levels to the dynamic regulation of water level on weir, is direct cooling water supply electricity
Factory's circulation is energy-saving to provide a kind of new approach.
Technical scheme is used by the utility model solves its technical problem：
A kind of integrated siphonic water-collecting well of series, the siphonic water-collecting well include cylindrical outer barrel body, cylindrical inner barrel and arc and lived
Dynamic weir, the cylindrical inner barrel are co-axially located at the bottom of the cylindrical outer barrel body, the bottom of the cylindrical inner barrel
Provided with water inlet, its top is surrounded by delivery port, and the arcuate movement weir is slidably arranged in the cylinder including polylith
The weir plate of cylinder top peripheral, every piece of weir plate are provided with one or more movable barrage lifting headstock gears, the movable barrage liter
Headstock gear drops by weir plate corresponding to lifting to open and close delivery port corresponding to surrounding at the top of cylindrical inner barrel.
By above-mentioned technical proposal, the water inlet of the cylindrical inner barrel connects an inlet channel.
By above-mentioned technical proposal, the movable barrage lifting headstock gear is motor, and it is outer that the motor is arranged on cylinder
The top of cylinder.
By above-mentioned technical proposal, the cylindrical outer barrel body and the shared bottom of cylindrical inner barrel are integrally welded.
By above-mentioned technical proposal, the arcuate movement weir is slided by the top peripheral of movable barrage slot and cylindrical inner barrel
Dynamic connection.
By above-mentioned technical proposal, the arcuate movement weir includes four pieces of weir plates.
By above-mentioned technical proposal, sealing part is provided between the arcuate movement weir and cylindrical inner barrel.
By above-mentioned technical proposal, the top of the cylindrical outer barrel body is provided with manhole and air bleeding valve.
The utility model, have the advantages that：Structural shape and overflow weir structure of the utility model from siphonic water-collecting well
The thinking of design is set out, and is circular configuration by the structural shape for changing traditional siphonic water-collecting well, makes the water inlet of its bottom centre, top four
All water outlets, go out to flow uniformity so as to save cost, optimize downflow weir, avoid causing local scour behind weir, maintain system peace
Row for the national games；And it is the adjustable sharp-crested weir pattern of arcuate movement to change traditional downflow weir pattern, top water outlet is adjustable using arc
Downflow weir, set motor drive mechanism to realize the lifting of weir plate, have sealed reliable, it is compact-sized, simple to operate, operate steadily, nothing
The advantages that noise, the adjustable range on arcuate movement weir can interlock realization according to water level conditions and automatically adjust, and adjustable range is adjustable, can
Controllable adjustment is realized according to external water source water level, so as to increase operation adjusting meaning during different tidewater (river) positions, filled
Siphonic water-collecting well energy-saving effect is waved in distribution, reaches the energy-saving purpose of circulation.
The utility model can fundamentally solve the problems, such as that traditional siphonic water-collecting well downflow weir goes out flow hydraulics skewness, keep away
Exempt from the local scour behind weir；Change traditional siphonic water-collecting well downflow weir pattern, setting activity downflow weir interlocks with external water source water level
Realization automatically adjusts, and solves the relatively low Coastal Power Plant of the flat absolute altitude in Power Plant particularly field of once-through cycle water supply in load down
Operating point the problem of skidding off characteristic curve risk when operation needs the separate unit water circulating pump to run, water circulating pump service life is extended and
It is energy-saving to have positive effect；Also solve the Layout Problem of such a operating mode downwind scheme open type pump and electric water filter simultaneously, make
The electric water filter ground type arrangement before subsidiary engine circulation is obtained to be possibly realized.The utility model carries out the system integration
Change, discharge capacity Seriation Design, fundamentally reduce construction costs, realize regulative mode flexible and diverse, there is peace
Entirely, the advantages of economic.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the top view of the utility model embodiment；
Fig. 2 is the front view of the utility model embodiment；
Fig. 3 is structural representation when movable barrage is fallen in the utility model embodiment；
Fig. 4 is structural representation when movable barrage rises in the utility model embodiment.
In figure：1- cylindrical outer barrels body, 2- cylinders inner barrel, 3- movable barrages lifting headstock gear, 4- arcuate movements weir, 5-
Movable barrage slot, 6- manholes, 7- air bleeding valves, 8- inlet channels.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
In preferred embodiment of the present utility model, as shown in Figure 1 and Figure 2, a kind of integrated siphonic water-collecting well of series, the rainbow
Inhaling well includes cylindrical outer barrel body 1, cylindrical inner barrel 2 and arcuate movement weir 4, and cylindrical inner barrel 2 is co-axially located at cylinder
The bottom of shape outer cylinder body 1, the bottom of cylindrical inner barrel 2 are provided with water inlet, and its top is surrounded by delivery port, arcuate movement weir
4 include the weir plate that polylith is slidably arranged in cylindrical inner barrel top peripheral, and every piece of weir plate is provided with one or more movable barrages
Headstock gear 3 is lifted, it is corresponding to open and close surrounding at the top of cylindrical inner barrel by weir plate corresponding to lifting that movable barrage lifts headstock gear
Delivery port, as shown in figure 3, movable barrage lifting headstock gear control weir plate is fallen, the closing of the delivery port of cylindrical inner barrel, such as scheme
Shown in 4, movable barrage lifting headstock gear control weir plate is risen, and the delivery port of cylindrical inner barrel is opened.
In preferred embodiment of the present utility model, as shown in Fig. 2 the water inlet of water inlet connection one of cylindrical inner barrel
Pipeline 8, inlet channel is connected using steel pipe with the water inlet of cylindrical inner barrel in the present embodiment.
In preferred embodiment of the present utility model, as shown in Fig. 2 movable barrage lifting headstock gear 3 is motor, motor
Installed in the top of cylindrical outer barrel body.
In preferred embodiment of the present utility model, as shown in Fig. 2 cylindrical outer barrel body 1 and cylindrical inner barrel 2 share
Bottom is integrally welded, and cylindrical outer barrel body and cylindrical inner barrel are circular steel design in the present embodiment.
In preferred embodiment of the present utility model, as shown in figure 1, arcuate movement weir 4 passes through movable barrage slot 5 and cylinder
The top peripheral of shape inner barrel 2 is slidably connected.
In preferred embodiment of the present utility model, as shown in figure 1, arcuate movement weir 4 includes four pieces of weir plates.
In preferred embodiment of the present utility model, as shown in Fig. 2 being set between arcuate movement weir 4 and cylindrical inner barrel 2
There is sealing part.
In preferred embodiment of the present utility model, as shown in Figure 1 and Figure 2, the top of cylindrical outer barrel body 1 is provided with manhole 6
With air bleeding valve 7.
The utility model mainly has following improvement：
1st, the structural shape for changing traditional siphonic water-collecting well is steel, and section configuration is using circular, bottom centre's water inlet, top four
All water outlets, equipment is simple, easy for construction, goes out to flow uniformity so as to save cost, optimize downflow weir, avoids causing office behind weir
Portion is washed away, and maintains system safety operation；
2nd, change traditional siphonic water-collecting well downflow weir pattern, arcuate movement weir and movable barrage lifting headstock gear, arcuate movement are set
The adjustable range on weir can interlock realization according to water level conditions and automatically adjust, so as to increase operation during different tidewater (river) positions
Regulative mode, siphonic water-collecting well energy-saving effect is given full play to, station service is energy-saving positive effect to reducing, while solves single pump
The long-term fallback of water pump under operating condition, single pump operation condenser inlet pressure be low to cause subsidiary engine recirculated water to be intake electronic filter
The problems such as hydrophone and open type pump are difficult to be arranged in zero meter；
3rd, the approved product of different capabilities unit scale is designed, seriation size design is carried out, is available for complete batch production
Or customization, so that different capabilities thermal power generation unit is selected.
Core of the present utility model is that the siphon of system integration, seriation, customizable is provided for direct cooling water supply power plant
Well product, it is proposed that siphonic water-collecting well structural shape and the adjustable thinking being combined of downflow weir, by changing traditional structure pattern, design
The product of customizable and batch production is realized suitable for the siphonic water-collecting well of different scales fired power generating unit quantity of circulating water, it is final to realize
Product is commercialized, and a kind of new approach is provided for cost saving and power plant's operating cost.
The utility model in specific application, as shown in Figure 1 and Figure 2, mainly by siphonic water-collecting well body construction and auxiliary equipment group
Into siphonic water-collecting well body construction cylinder uses carbon steel material, carries out preservative treatment, if recirculated water uses seawater, can take negative electrode
Safeguard measure carries out anti-corrosion.
As shown in figure 1, siphonic water-collecting well body construction of the present utility model includes cylindrical outer barrel body 1 and cylindrical inner barrel 2,
Cylindrical outer barrel body and cylindrical inner barrel arranged concentric simultaneously connect in bottom with back welding, and inlet channel is with cylindrical inner barrel at it
The concentric linking in bottom.Cylindrical outer barrel body and cylindrical inner barrel have collectively constituted the body construction of siphonic water-collecting well, and it is used
Circular configuration, the siphonic water-collecting well of same downflow weir length can be made smaller compared to rectangular configuration, and hydraulics are more excellent,
The excessively stream velocity flow profile of weir-type is uniform, solves the problems, such as local scour behind weir.
As shown in Fig. 2 auxiliary equipment of the present utility model includes movable barrage lifting headstock gear 3, arcuate movement weir 4, activity
Weir slot 5, manhole 6, air bleeding valve 7 and sealing part.In view of uniform force and the convenience of lifting, arcuate movement weir 4
4 pieces of weir plate compositions are divided into, are arranged symmetrically, every piece of weir plate can select separate unit or more movable barrage liftings to open and close according to specific size
Machine, when setting more movable barrages to lift headstock gear, need to act simultaneously in control, arcuate movement weir and cylindrical inner barrel
Between linking use gate slot type bridging mode, and sealing part is set, arcuate movement weir can be entered as needed or with water level
Row interlocking lifting, especially for the relatively low Coastal Power Plant of the flat absolute altitude in field, when water level is higher, especially lightened the burden in unit
Lotus is needed under the operating mode that separate unit water circulating pump is run, and can improve siphonic water-collecting well activity weir plate (hoisting depth according to water level situation
It is adjustable) so that recirculating water pump operating point slides to the left, the risk of curve is skidded off to evade operating point, while improve condenser
Advance water pressure, effectively solve the difficulty in subsidiary engine circulation open type pump and electric water filter arrangement, and make recirculated water
Pump condition point is run into high efficient district, is extended the service life of water circulating pump, is reached the purpose of energy-saving safe.
The size of siphonic water-collecting well body construction can be according to the quantity of circulating water system corresponding to unit capacity in the utility model
Rowization type selecting, seriation type selecting table refer to table 1.
Table 1
Note：Possibility is realized in view of structure, this type selecting table is only listed suitable for 600MW levels unit and following capacity unit
Parameter.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
1. the integrated siphonic water-collecting well of a kind of series, it is characterised in that the siphonic water-collecting well includes cylindrical outer barrel body, cylindrical inner barrel
With arcuate movement weir, the cylindrical inner barrel is co-axially located at the bottom of the cylindrical outer barrel body, the cylindrical inner cylinder
The bottom of body is provided with water inlet, and its top is surrounded by delivery port, and the arcuate movement weir is slidably arranged in described including polylith
The weir plate of cylindrical inner barrel top peripheral, every piece of weir plate is provided with one or more movable barrage lifting headstock gears, described
Movable barrage lifts headstock gear by weir plate corresponding to lifting to open and close delivery port corresponding to surrounding at the top of cylindrical inner barrel.
2. siphonic water-collecting well according to claim 1, it is characterised in that the water inlet connection one of the cylindrical inner barrel is entered
Waterpipe.
3. siphonic water-collecting well according to claim 1, it is characterised in that the movable barrage lifting headstock gear is motor, described
Motor is arranged on the top of cylindrical outer barrel body.
4. siphonic water-collecting well according to claim 1, it is characterised in that the cylindrical outer barrel body and cylindrical inner barrel share
Bottom is integrally welded.
5. siphonic water-collecting well according to claim 1, it is characterised in that the arcuate movement weir passes through movable barrage slot and cylinder
The top peripheral of shape inner barrel is slidably connected.
6. siphonic water-collecting well according to claim 1, it is characterised in that the arcuate movement weir includes four pieces of weir plates.
7. siphonic water-collecting well according to claim 1, it is characterised in that set between the arcuate movement weir and cylindrical inner barrel
There is sealing part.
8. siphonic water-collecting well according to claim 1, it is characterised in that the top of the cylindrical outer barrel body is provided with manhole and row
Air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225452.9U CN206706904U (en) | 2017-03-08 | 2017-03-08 | A kind of integrated siphonic water-collecting well of series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720225452.9U CN206706904U (en) | 2017-03-08 | 2017-03-08 | A kind of integrated siphonic water-collecting well of series |
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| Publication Number | Publication Date |
|---|---|
| CN206706904U true CN206706904U (en) | 2017-12-05 |
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ID=60469435
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720225452.9U Expired - Fee Related CN206706904U (en) | 2017-03-08 | 2017-03-08 | A kind of integrated siphonic water-collecting well of series |
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| Country | Link |
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| CN (1) | CN206706904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277847A (en) * | 2018-03-13 | 2018-07-13 | 中国华电科工集团有限公司 | A kind of energy-saving siphonic water-collecting well |
-
2017
- 2017-03-08 CN CN201720225452.9U patent/CN206706904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277847A (en) * | 2018-03-13 | 2018-07-13 | 中国华电科工集团有限公司 | A kind of energy-saving siphonic water-collecting well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: 430223 Room 309, floor 3, Kaidi building, No.1, Jiangxia Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Fengying Energy Technology Engineering Co.,Ltd. Address before: 613, room 430223, Katie building, Jiangxia Road, Miao Shan Development Zone, Jiangxia District, Hubei, Wuhan Patentee before: WUHAN KAIDI ELECTRIC POWER ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |