CN204252146U - For the evacuation system of power station absorption basin - Google Patents
For the evacuation system of power station absorption basin Download PDFInfo
- Publication number
- CN204252146U CN204252146U CN201420638099.3U CN201420638099U CN204252146U CN 204252146 U CN204252146 U CN 204252146U CN 201420638099 U CN201420638099 U CN 201420638099U CN 204252146 U CN204252146 U CN 204252146U
- Authority
- CN
- China
- Prior art keywords
- pumping
- water pump
- pontoon
- drainage system
- floating drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010521 absorption reaction Methods 0.000 title description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000007667 floating Methods 0.000 claims abstract description 60
- 238000005086 pumping Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
本实用新型涉及一种用于水电站消力池的抽排系统。本实用新型提供一种用于水电站消力池的扬程变幅小，且操作简单的抽排系统，包括浮船和水泵，水泵固定设置于浮船上，水泵设有控制柜、进水管、排水管。本实用新型通过将水泵设置于浮船上，随着抽排水的进行，水位降低，水泵位置随着浮船也下降，扬程变幅小，且操作简单。本实用新型经进一步改进后，安装拆卸更方便，便于实施。
The utility model relates to a pumping and drainage system for stilling pools of hydropower stations. The utility model provides a pumping and discharging system with small head variation and simple operation for the stilling pool of a hydropower station, which includes a floating boat and a water pump. The water pump is fixedly arranged on the floating boat. The utility model arranges the water pump on the pontoon, and as the pumping and drainage proceeds, the water level decreases, and the position of the water pump also decreases along with the pontoon, the lift amplitude is small, and the operation is simple. After the utility model is further improved, the installation and disassembly are more convenient and easy to implement.
Description
Technical field
The utility model relates to a kind of evacuation system for power station absorption basin, belongs to power station absorption basin repair apparatus technical field.
Background technology
One of energy-dissipating installation that absorption basin often adopts as hydraulic structure, its steady in a long-term and safe operation to guarantee dam normal power generation and flood season safe flood passage most important.In recent years, along with the consideration to force reduction pool bottom safety and stability, in hydroelectric station design, the requirement of absorption basin maintenance emptying is inevitable trend.Lack the absorption basin maintenance pump drainage design of system in existing hydroelectric station design, part power station just starts in the runtime the relevant consideration carrying out absorption basin maintenance emptying operating mode.By restrictions such as civil engineering, boom hoisting, electrical loads, evacuation system pump selection is by very large limitation.If directly arrange proof submersible sand discharging pump in pond, because the maintenance water-pumping/draining water yield is comparatively large, lifting range is comparatively large, need arranges according to lift and organize proof submersible sand discharging pump more, often organize at least two, when overhauling pump drainage, staff, according to lifting range more water-change pump, uses and manages and extremely bother.
Utility model content
Technical problem to be solved in the utility model is: effectively solve the problem that in existing absorption basin maintenance water-pumping/draining system, the pump drainage water yield is comparatively large, lifting range is larger, provide a kind of lifting range for power station absorption basin little, and evacuation system simple to operate.
The technical scheme adopted for solving the problems of the technologies described above the utility model is: for the evacuation system of power station absorption basin, comprises pontoon and water pump, and water pump is fixedly installed on pontoon, and water pump is provided with switch board, water inlet pipe, gutter.
Further: drainage pipe end is provided with stationary pipes, stationary pipes has fixed bearing, and stationary pipes is connected by universal joint with gutter.
Further: gutter is flexible pipe, is provided with floating drum bottom gutter.
Further: floating drum comprises symmetrically arranged left floating drum, right floating drum, and gutter has tube connector, and tube connector is detachably fixedly connected with floating drum, on the center line between left floating drum, right floating drum.
Further: floating drum top, pontoon top are equipped with checking bollard, checking bollard cooperation is provided with steel wire, electric capstan, is provided with pulley bottom described floating drum.
Further: floating drum quantity is one or more, spaced set between multiple floating drum.
Further: gutter is rocking arm intake pipe, and fixed bearing is also provided with anchor block.
Further: pontoon is provided with hanging apparatus, pulley is provided with bottom pontoon.
Further: water pump is also provided with vacuum pump.
The beneficial effects of the utility model are: by being arranged on pontoon by water pump, along with the carrying out of water-pumping/draining, and water level reduces, and water pump location also declines along with pontoon, and lifting range is little, and simple to operate.The utility model is after improving further, and installing/dismounting is more convenient, is convenient to implement.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Schematic diagram when Fig. 3 is the utility model enforcement.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, the utility model comprises pontoon 1 and water pump 2, and water pump 2 is fixedly installed on pontoon 1, and water pump 2 is provided with switch board 3, water inlet pipe 4, gutter 5.
As shown in Figure 3, when implementing the utility model, be located at by pontoon 1 on the absorption basin water surface of power station, gutter 5 is connected with leader drain.Because water pump 2 is arranged on pontoon 1, along with the carrying out of water-pumping/draining, water level reduces, and water pump 2 position also declines along with pontoon 1, and lifting range is little, and simple to operate.Marking A in Fig. 3 is absorption basin peak level, time bottom pontoon 1 close to force reduction pool bottom, limits, stop pumping by the minimum water suction water level of water pump 2, and mark B is minimum water suction water level, and now pond water is about 300mm ~ 500mm.Power station absorption basin evacuation system generally need be provided with multiple stage water pump 2,1 water pump 2 and be located on 1 pontoon 1, and adopt pedal to connect between pontoon 1, form overall floating dock structure, gutter 5 connects into leader drain.In order to install and use the safety in process, pontoon 1 can arrange railing.
As to an improvement of the present utility model, gutter 5 end is provided with stationary pipes 51, and stationary pipes 51 has fixed bearing 52, and stationary pipes 51 is connected by universal joint 53 with gutter 5.During enforcement, stationary pipes 51 is connected with leader drain, and absorption basin bank is located at by fixed bearing 5, can take into consideration with wave wall.After adopting this kind of structure, gutter 5 is connected more convenient with leader drain, and in water-pumping/draining process, gutter 5 moves more convenient, and overall structure is more stable.
Stationary pipes 51 is connected by universal joint 53 with gutter 5, has flexible pipe to connect and the two kinds of modes that are rigidly connected.
When gutter 5 is flexible pipe, bottom gutter, be provided with floating drum 54.Floating drum 54 comprises symmetrically arranged left floating drum 541, right floating drum 542, gutter 5 has tube connector 55, tube connector 55 is detachably fixedly connected with floating drum 54, and on center line between left floating drum 541, right floating drum 542, the connection between gutter 5 and floating drum 54 can be made to arrange balance.For convenience of installing, be connected by flange between tube connector 55 with gutter 5.Floating drum 54 top, pontoon 1 top are equipped with checking bollard 11, and checking bollard 11 cooperation is provided with steel wire 12, electric capstan 13, and be provided with pulley 14 bottom floating drum 54, installation when facilitating the utility model to implement, steel wire 12 facilitates crane span structure cable simultaneously.In addition, bottom floating drum 54, be provided with pulley 14, in water-pumping/draining process, floating drum 54 also can be facilitated to slide at absorption basin pool wall.Floating drum 54 quantity is one or more, is preferably spaced set between multiple floating drum 54.
When employing is rigidly connected, gutter 5 is rocking arm intake pipe, and fixed bearing 52 is also provided with anchor block, and anchor block design can be taken into consideration with wave wall.When being provided with multiple stage water pump 2, for simplifying structure, the mode of contact coil pipe can being adopted, be connected with rocking arm intake pipe after water pump 2 outlet pipe is merged into 1 pipeline.
Improve as to another item of the present utility model, pontoon 1 is provided with hanging apparatus 15, is provided with pulley 14 bottom pontoon 1, facilitates the installation of pontoon.
Improve as to another item of the present utility model, water pump 2 is also provided with vacuum pump, ensures that water pump can normally absorb water.
The utility model is implemented at Guandi Hydropower Station, is described in detail below for Guandi Hydropower Station.
Adopt 3 water pumps 2, model is open double suction centrifugal pump in KQSN300-M9/387 type, coordinate and be provided with 3 2BV2071 type vacuum pumps, 3 pontoons 1, water pump 2 and vacuum pump are fixed on pontoon 1, and pontoon 1 specification designs according to water pump 2 specification, are connected between 3 pontoons 1 by pedal, form overall floating dock structure, pontoon 1 is provided with railing, and pontoon 1 is provided with hanging apparatus 15, is provided with pulley 14 bottom pontoon 1.
3 2-in-1 meters of water pump are provided with 1 switch board, 3,3 water inlet pipes, 4,3 gutters 5.During enforcement, switch board 3 is located at absorption basin bank, and 3 gutters 5 are incorporated to leader drain at end.Gutter 5 end is provided with stationary pipes 51, and stationary pipes 51 has fixed bearing 52, and stationary pipes 51 is connected by universal joint 53 with gutter 5.Gutter 5 is flexible pipe, is provided with floating drum 54 bottom gutter.Floating drum 54 comprises symmetrically arranged left floating drum 541, right floating drum 542, and gutter 5 has tube connector 55, and tube connector 55 is detachably fixedly connected with floating drum 54, and on center line between left floating drum 541, right floating drum 542.Be connected by flange between tube connector 55 with gutter 5.Floating drum 54 top, pontoon 1 top are equipped with checking bollard 11, and checking bollard 11 cooperation is provided with steel wire 12, electric capstan 13, is provided with pulley 14 bottom floating drum 54.Floating drum 54 is 5, spaced set.
During enforcement, need 1, auxiliary equipment 75T crane, 1,25T crane, 2,150KN hoist engine.Installation process is as follows:
1, with 75T crane, 3 pontoons are hung in water successively.
2, by Bolt Connection, 3 pontoons are assembled in aggregates in water.
3, water pump channel-section steel basis is installed.
4, lay the pedal between pontoon, pontoon surrounding railing is installed.
5, with 75T crane, water pump group is hung on pontoon, be arranged on foundation for water pumps by Bolt Connection.
6, with 75T crane, vacuum pump is hung on pontoon, be arranged on vacuum pump basis by Bolt Connection.
7, by the vacuum line of vacuum line figure connection vacuum pump and pump house.
8, with 75T crane, import and export pipeline, valve, lifting etc. are hung on ship, pump water inlet, the reducer union of exit of pump size, electronic dish valve, expansion joint, Tiny Drag Slow Shut Check Valves, outlet pipe, hanging apparatus are installed successively.
9, with program, water pump group on another two cover pontoons and vacuum pump group and other equipment are installed successively.
10, with 75T crane, floating drum is hung lower water, float in water and rely on pool wall limit.
11, coordinate special hanger to be hung down by 3 metal hoses with 25T crane simultaneously, lower end flanges is connected with floating drum.
12, with 75T crane, 3 metal hoses are hung down successively, with floating drum other end flange connect.Wirerope on 2 hoist engines is fixed on floating drum checking bollard.
13, with 75T crane, the 2nd trustship floating drum is hung lower water, on upper 2nd floating drum of personnel.
14,2 hoist engines are coordinated by floating drum toward pull-up with 25T crane.
15, the 1st floating drum lower end metal hose other end flange is connected with the 2nd trustship floating drum.
16, with 2 wireropes, two floating drums are connected and fixed, do not stress when the length of wirerope guarantees metal hose tension.
17, the cable testing bridge between two trustship floating drums is connected and fixed.
18, several floating drums are below installed successively.
19, last, flexible pipe and water pump are coupled together.
20, after connection terminates, whole drainage system wirerope is fixed in the hawser stake of bank.
21, water pump control cabinet is installed.
22, feed cable is laid.
23, crane and hoist engine is withdrawn.
24, to inspect for acceptance qualified rear machine debugging.
After being used to complete, now pool inner water position sees the bottom, and pontoon position is from pool wall about two meters distances, and five cover trustship floating drums are unsettled is affiliated on pool wall, roller contact between floating drum and pool wall, and unloading process is as follows:
1, remove water pump control cabinet and be transported to warehouse.
2, crane and hoist engine position by position when installing.
3, take the feed cable connected with motor apart, and receive and cable turntable is transported to warehouse on the bank.
4, coordinate special hanger to hang and the 3 metal hose flanges connected on the bank with 25T crane, take flange bolt apart.The wirerope of 2 hoist engines and the 1st floating drum near bank are connected and fixed, coordinate crane slowly to be transferred by whole pipeline.
5,3 metal hoses, wirerope and cable testing bridges being connected with water pump are unclamped.
6, remove all devices that pontoon is installed, hang on bank successively with 75T crane.
7, remove the attachment bolt between pontoon, successively 3 pontoons are hung on bank with 75T crane.
8, discharge pipe line slowly glides under the cooperation of 25T crane and hoist engine, allows a bottom floating drum the end, removes metal hose, wirerope and cable testing bridge, and hang on bank successively with 75T crane.
9, remove the metal hose flange bolt of floating drum bank end, with 75T crane, floating drum is hung on bank.
10, hydraulic pipeline slowly glides, and removes remaining metal hose and floating drum successively, and last 3 metal hoses hang on bank by 25T crane.
11, receive hoist engine wirerope, remove hoist engine.
12, scene withdrawn by crane.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638099.3U CN204252146U (en) | 2014-10-29 | 2014-10-29 | For the evacuation system of power station absorption basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638099.3U CN204252146U (en) | 2014-10-29 | 2014-10-29 | For the evacuation system of power station absorption basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252146U true CN204252146U (en) | 2015-04-08 |
Family
ID=52956471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420638099.3U Expired - Lifetime CN204252146U (en) | 2014-10-29 | 2014-10-29 | For the evacuation system of power station absorption basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391984A (en) * | 2020-04-09 | 2020-07-10 | 安徽水利开发有限公司 | Split type water diversion pipeline mechanism of pontoon pump station |
| CN113089771A (en) * | 2021-05-10 | 2021-07-09 | 上海熊猫机械(集团)有限公司 | Sinking type ship bottom water taking floating boat device |
-
2014
- 2014-10-29 CN CN201420638099.3U patent/CN204252146U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391984A (en) * | 2020-04-09 | 2020-07-10 | 安徽水利开发有限公司 | Split type water diversion pipeline mechanism of pontoon pump station |
| CN113089771A (en) * | 2021-05-10 | 2021-07-09 | 上海熊猫机械(集团)有限公司 | Sinking type ship bottom water taking floating boat device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106218828B (en) | Removable wellhead platform and application method for offshore marginal oilfield exploitation | |
| CN204252146U (en) | For the evacuation system of power station absorption basin | |
| CN205421401U (en) | A portable water intake device of slope way for extensive water intaking | |
| CN206986911U (en) | A kind of spacing automatic start-stop device of underground pipe gallery deep foundation pit precipitation pipe well water-pump | |
| CN206956921U (en) | A kind of prefabricated pumping plant of step anti-floating | |
| CN216920611U (en) | Large-water-head vertical wharf ship sewage lifting device | |
| CN203096813U (en) | Seawater taking facility for liquefied natural gas receiving station | |
| CN206052843U (en) | A kind of water taking device by buoyant raft | |
| CN206752573U (en) | A kind of water fetching device of large span | |
| CN201030346Y (en) | Hoist lifting type flexible floating raft | |
| CN106759666B (en) | Oblique-pulling suspension type fixing matching device for multifunctional submersible pump station | |
| CN114261486A (en) | Pressure-discharging-loading system and method suitable for floating wind power platform | |
| CN103866815A (en) | Seawater taking facility for liquefied natural gas receiving station | |
| CN211340970U (en) | Ecological water intaking device of pump truck in tilting | |
| CN202693084U (en) | Liquid level detection device capable of regulating length | |
| CN108868787B (en) | Shield starting construction method for river-crossing tunnel | |
| CN220505375U (en) | Installation-free water pumping device | |
| CN207633423U (en) | A kind of floating dock type Boosting pumping station | |
| CN208056167U (en) | The water intaking ship of adaptive height of water level | |
| CN219840155U (en) | Buried centrifugal pump station | |
| CN207500057U (en) | Put down device in a kind of seabed | |
| CN109972694A (en) | Floating return pump station | |
| CN111005399A (en) | Equipment and method for prefabricating offshore wind power barrel type foundation at wharf front edge | |
| CN204080923U (en) | A kind of rivers water pumping well cage assembly | |
| CN205223996U (en) | Pontoon formula flexible hose is from supplying water and drainage device in tailing storehouse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150408 |
|
| CX01 | Expiry of patent term |