CN105155621B - A kind of by single-use improvement of pumping station for multipurpose pumping plant construction method - Google Patents

A kind of by single-use improvement of pumping station for multipurpose pumping plant construction method Download PDF

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CN105155621B
CN105155621B CN201510614850.5A CN201510614850A CN105155621B CN 105155621 B CN105155621 B CN 105155621B CN 201510614850 A CN201510614850 A CN 201510614850A CN 105155621 B CN105155621 B CN 105155621B
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discharge bay
channel
intake pool
pumping plant
discharge
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CN105155621A (en
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陆伟刚
陆林广
徐磊
徐波
任金莲
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Yangzhou University
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Yangzhou University
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Abstract

A kind of is the construction and methods for using them of multipurpose pumping plant by single-use improvement of pumping station, belongs to hydraulic engineering pumping plant technical field.The invention is characterized in that:Retain forebay, intake pool, intake pool dividing pier, intake pool base plate, pump house and the water pump assembly of single-use pumping plant;The discharge bay of single-use pumping plant is changed to upper and lower two-layer passage by individual layer passage;The rear wall of single-use pumping plant open type intake pool being got through, the import of the discharge bay lower channel is connected with the intake pool, the outlet of the discharge bay lower channel is connected with the water outlet channel, and regulating gate is set in discharge bay lower channel exit;Circular hole, the configuration circular hole cover plate connected with the discharge bay lower channel is opened up in the bottom surface of the discharge bay upper channel, and the outlet in the discharge bay upper channel sets regulating gate;Open and close combination by scheduling is described into and out of the different of each regulating gate in pond and circular hole cover plate, improved pumping plant can be applicable to irrigate by lifting water to a higher level with a water pump, etc., the row of carrying and draw certainly, from the purposes that arranges.

Description

A kind of by single-use improvement of pumping station for multipurpose pumping plant construction method
Technical field
The invention belongs to hydraulic engineering pumping plant technical field, and in particular to a kind of is multipurpose pump by single-use improvement of pumping station The construction method that stands and application.
Background technology
China plains region has a large amount of middle-size and small-size vertical low-lift-head pumping stations using open type intake pool, and these pumping plants are big Mostly irrigate by lifting water to a higher level with a water pump, etc. or the row of carrying single-use pumping plant.Water is irrigated by lifting water to a higher level with a water pump, etc. or carried by irrigation channel and drains into water outlet channel by the single-use pumping plant, Single-use pumping plant include forebay, intake pool, intake pool maintenance door, intake pool dividing pier, intake pool base plate, intake pool rear wall, pump house, Water pump assembly, individual layer discharge bay, individual layer discharge bay maintenance door, individual layer discharge bay dividing pier and individual layer discharge bay base plate;Described alone When way pumping plant is applied to the row of carrying, current flow into intake pool by irrigation channel through forebay, are promoted to individual layer discharge bay through water pump assembly, Water outlet channel is flowed into through individual layer discharge bay maintenance door.Over closer year, it is to strengthen the ability of reply drought and waterlogging and reduce investment outlay, Sometimes it is multipurpose pumping plant to need single-use improvement of pumping station, by single irrigate by lifting water to a higher level with a water pump, etc. or the row of carrying purposes transform as with irrigating by lifting water to a higher level with a water pump, etc., the row of carrying Certainly draw, from row etc. multiple use pumping plant.
Content of the invention
The purpose of the present invention is for the above-mentioned situation of adaptation, there is provided a kind of applying for multipurpose pumping plant by single-use improvement of pumping station Work methods and applications, the invention is characterized in that:Retain the forebay of the single-use pumping plant, intake pool, intake pool dividing pier, intake pool Base plate, pump house and water pump assembly;The discharge bay of single-use pumping plant is changed to upper and lower two-layer passage by individual layer passage;Get through alone The rear wall of way pumping plant open type intake pool, makes the import of discharge bay lower channel connect with intake pool, discharge bay lower channel Outlet is connected with water outlet channel, and sets regulating gate in discharge bay lower channel exit;Bottom surface in discharge bay upper channel Circular hole, the configuration circular hole cover plate connected with discharge bay lower channel is opened up, and the outlet in discharge bay upper channel sets control lock Door;Combination is opened and closed by scheduling is described into and out of each regulating gate in pond and the different of circular hole cover plate, improved pumping plant can be applied In irrigating by lifting water to a higher level with a water pump, etc., the row of carrying and draw certainly, from multiple uses such as rows.
The purpose of the present invention is achieved through the following technical solutions:
1. forebay, intake pool, intake pool dividing pier, intake pool base plate, pump house and the water pump assembly of single-use pumping plant are retained;
2. by the intake pool maintenance door transformation and upgrade of single-use pumping plant be intake pool regulating gate(Referred to as " intake pool lock Door ", similarly hereinafter);
3. the discharge bay of single-use pumping plant is changed to discharge bay upper channel and discharge bay lower channel by individual layer passage;
4. the rear wall of single-use pumping plant open type intake pool is got through, the import of discharge bay lower channel and the intake pool is made Connection, the outlet of discharge bay lower channel is connected with water outlet channel, and sets regulating gate in the exit of the passage(Referred to as " go out Pond tail gates ", similarly hereinafter);
5. discharge bay upper channel is connected with water outlet channel, and sets regulating gate in the channel outlet(Referred to as " on discharge bay Gate ", similarly hereinafter);
6. the circular hole connected with discharge bay lower channel is opened up in the bottom surface of discharge bay upper channel, and configures circular hole cover plate (Referred to as " discharge bay circular hole cover plate ", similarly hereinafter);
7. by dispatching the intake pool gate, discharge bay upper lock gate, discharge bay tail gates and discharge bay circular hole cover plate Different open and close combination, make improved pumping plant be applied to irrigate by lifting water to a higher level with a water pump, etc., the row of carrying and draw certainly, from the multiple use such as arranging.
The object of the present invention is achieved like this:
Construction method of the single-use improvement of pumping station for multipurpose pumping plant is comprised the following steps:
1. forebay, intake pool, intake pool dividing pier, intake pool base plate, pump house and the water pump machine of the single-use pumping plant are retained Group;
2. by the intake pool maintenance door upgrading of the single-use pumping plant be intake pool regulating gate(Referred to as " intake pool Gate ", similarly hereinafter);
3. the individual layer discharge bay and its maintenance door, dividing pier and base plate are removed, by transformation discharge bay claimed below:
(1)Improved discharge bay is made up of discharge bay upper channel and discharge bay lower channel, each layer port number and institute The port number for stating individual layer discharge bay is identical;
(2)Get through the rear wall of the single-use pumping plant intake pool, make the import of the discharge bay lower channel with described enter Pond connects, and the outlet of discharge bay lower channel is connected with the water outlet channel, and sets regulating gate in the exit of the passage (Referred to as " discharge bay tail gates ", similarly hereinafter);
(3)The import of the discharge bay upper channel is connected with the outlet pipe of the water pump assembly, the discharge bay upper strata The outlet of passage is connected with the water outlet channel, sets regulating gate in the exit of the passage(Referred to as " discharge bay upper lock gate ", under With);
(4)The circular hole connected with the discharge bay lower channel is opened up in the bottom surface of the discharge bay upper channel, and is matched somebody with somebody Put circular hole cover plate(Referred to as " discharge bay circular hole cover plate ", similarly hereinafter);
(5)Square hole is opened up in the appropriate location of the division wall of the discharge bay upper channel(Referred to as " discharge bay partition wall side Hole ", similarly hereinafter).
After transformation, the application process of multipurpose pumping plant is as follows:
1. when being applied to the row of carrying, the discharge bay tail gates and discharge bay circular hole cover plate is closed, open the intake pool lock Door and discharge bay upper lock gate, run water pump assembly, now current by the irrigation channel through forebay and the intake pool gate stream Enter the intake pool, the discharge bay upper channel is promoted to through water pump assembly, through going out described in discharge bay upper lock gate inflow Water channel road;The purposes of the row of carrying described herein is identical with the single-use pumping plant;
2. it is applied to, when arranging, close the discharge bay upper lock gate and discharge bay circular hole cover plate, open the intake pool lock Door and discharge bay tail gates, water pump assembly do not run, and now current are flowed into through forebay and intake pool gate by the irrigation channel The intake pool, then the water outlet channel is flowed into through the discharge bay lower channel and discharge bay tail gates;Certainly row described herein Purposes be transformation after pumping plant newly-increased purposes;
3. it is applied to, when drawing, close the discharge bay upper lock gate and discharge bay circular hole cover plate, opens the intake pool lock Door and the discharge bay tail gates, water pump assembly do not run, now current by the water outlet channel through the discharge bay tail gates The intake pool is flowed into discharge bay lower channel, flows into the inlet channel after the forebay being entered through the intake pool gate Road;The purposes that oneself draws described herein is the newly-increased purposes of pumping plant after the transformation;
4., when being applied to irrigate by lifting water to a higher level with a water pump, etc., the improved pumping plant needs adjacent two water pump assemblies and corresponding aquaporin of crossing to combine Use, wherein, a water pump assembly operation, if the water pump assembly place passage of the operation is A channel, another water pump assembly Do not run, if the passage that the water pump assembly not run is located is channel B;On the intake pool gate of closing A channel, discharge bay The discharge bay upper lock gate of gate, discharge bay circular hole cover plate and channel B, discharge bay tail gates, open the discharge bay tail gates of A channel Discharge bay circular hole cover plate, intake pool gate with channel B, runs the water pump assembly of A channel;When irrigating by lifting water to a higher level with a water pump, etc., current are by the outlet canal Road flows into intake pool through the discharge bay tail gates and discharge bay lower channel of A channel, is promoted to through the water pump assembly of the A channel The discharge bay upper channel of A channel, through the discharge bay upper strata that the discharge bay partition wall square hole between A channel and channel B flows into channel B Passage, then the discharge bay lower channel of the discharge bay circular hole inflow channel B through channel B, then through intake pool and the intake pool of channel B Gate flows into the forebay, finally flows into the irrigation channel;The purposes irrigated by lifting water to a higher level with a water pump, etc. described herein is the newly-increased use of pumping plant after transformation On the way.
The present invention compared with prior art, has the advantages that:
First, the hydraulic structure and water pump assembly of former single-use pumping plant is made full use of, a small amount of civil engineering is only reconstructed, i.e., The transformation from special purpose pumping plant to multipurpose pumping plant is achieved, a large amount of engineering land areas and investment is saved.
Second, improved multipurpose pump station structure is simple, is respectively controlled by dispatching intake pool regulating gate and discharge bay The different of gate open and close combination, it is convenient to realize the row of carrying, irrigate by lifting water to a higher level with a water pump, etc. and arrange, draw certainly certainly etc. 4 kinds of purposes.
3rd, improved multipurpose pumping plant has from row, draws certainly function, when not carrying out the row of carrying, irrigating by lifting water to a higher level with a water pump, etc., before pumping plant, Current afterwards can be flowed freely, and be changed into " running water " from " stagnant water " before the improvement of pumping station, and ecological effect is obvious.
Description of the drawings
Fig. 1(a)It is the single-use pumping plant vertical section schematic diagram of the embodiment of the present invention;
Fig. 1(b)It is the single-use pumping plant floor map of the embodiment of the present invention;
Fig. 2(a)It is the multipurpose pumping plant vertical section schematic diagram of the embodiment of the present invention;
Fig. 2(b)It is the multipurpose pumping plant floor map of the embodiment of the present invention;
In figure:1 forebay, 2 intake pool maintenance doors, 3 intake pools, 4 intake pool dividing piers, 5 intake pool base plates, 6 intake pool rear walls, 7 pump houses, 8 water pump assemblies, 9 individual layer discharge bays, 10 individual layer discharge bay maintenance doors, 11 individual layer discharge bay dividing piers, 12 individual layer discharge bays Base plate, 13 intake pool gates, 14 discharge bay lower channels, 15 water outlet channels, 16 discharge bay tail gates, 17 discharge bay upper stratas lead to Road, 18 outlet pipes, 19 discharge bay upper lock gates, 20 circular holes, 21 discharge bay circular hole cover plates, 22 partition walls, 23 discharge bay partition wall square holes, 24 Irrigation channel.
Specific embodiment
The present invention is described in further detail with reference to embodiment and accompanying drawing:
Embodiment:
Certain pumping plant for being used for water lift water drainage installs 4 vertical axial-flow pump assemblys, the vertical section schematic diagram and plane of the pumping plant Fig. 1 is shown in respectively by schematic diagram(a)And Fig. 1(b).For adapting to local new situation and new demand, the station need to be on the basis of original purposes The purposes that upper increase is irrigated by lifting water to a higher level with a water pump, etc. and drawn certainly, arranges certainly, for reducing investment outlay and reducing engineering land used, determines that application is of the invention and the pumping plant is entered Row transformation.
Water is carried by irrigation channel 24 and drains into water outlet channel 15 by the single-use pumping plant, and single-use pumping plant includes forebay 1, enters Pond maintenance door 2, intake pool 3, intake pool dividing pier 4, intake pool base plate 5, intake pool rear wall 6, pump house 7, water pump assembly 8, individual layer Discharge bay 9, individual layer discharge bay maintenance door 10, individual layer discharge bay dividing pier 11 and individual layer discharge bay base plate 12;The single-use pumping plant When being applied to the row of carrying, current flow into intake pool 3 by irrigation channel 24 through forebay 1, are promoted to individual layer discharge bay 9 through water pump assembly 8, Water outlet channel 15 is flowed into through individual layer discharge bay maintenance door 10.
The present embodiment single-use improvement of pumping station is comprised the following steps for the construction method of multipurpose pumping plant:
1. forebay 1, intake pool 3, intake pool dividing pier 4, intake pool base plate 5, pump house 7 and the water of the single-use pumping plant are retained Pump assembly 8;
2. it is intake pool gate 13, such as Fig. 2 by 2 upgrading of intake pool maintenance door of the single-use pumping plant(a)And Fig. 2 (b)Shown;
3. individual layer discharge bay 9 and its maintenance door 10, dividing pier 11 and base plate 12 are removed, by transformation discharge bay claimed below:
(1)Improved discharge bay is made up of discharge bay upper channel 17 and discharge bay lower channel 14, each layer port number Identical with the port number of individual layer discharge bay 9;
(2)The single-use pumping plant intake pool rear wall 6 is got through, the import and intake pool 3 for making discharge bay lower channel 14 connects Logical, the outlet of discharge bay lower channel 14 is connected with water outlet channel 15, and sets out water in the exit of discharge bay lower channel 14 Pond tail gates 16;
(3)The import of discharge bay upper channel 17 is connected with the outlet pipe 18 of water pump assembly 8, discharge bay upper channel 17 Outlet is connected with water outlet channel 15, sets out pond upper lock gate 19 in the exit of discharge bay upper channel 17;
(4)The circular hole 20 connected with discharge bay lower channel 14 is opened up in the bottom surface of discharge bay upper channel 17, and is configured Discharge bay circular hole cover plate 21;
(5)Discharge bay partition wall square hole 23 is opened up in the appropriate location of the division wall 22 of discharge bay upper channel 17.
After the present embodiment transformation, the application process of multipurpose pumping plant is as follows:
1. when being applied to the row of carrying, discharge bay tail gates 16 and discharge bay circular hole cover plate 21 is closed, open intake pool gate 13 With discharge bay upper lock gate 19, water pump assembly 8 is run, now current are flowed into through forebay 1 and intake pool gate 13 by irrigation channel 24 Intake pool 3, is promoted to discharge bay upper channel 17 through the water pump assembly 8, flows into water outlet channel 15 through discharge bay upper lock gate 19; The purposes of the row of carrying described herein is identical with the single-use pumping plant;
2. it is applied to, when arranging, close discharge bay upper lock gate 19 and discharge bay circular hole cover plate 21, open intake pool gate 13 With discharge bay tail gates 16, water pump assembly 8 do not run, and now current are flowed through forebay 1 and intake pool gate 13 by irrigation channel 24 Enter intake pool 3, water outlet channel 15 is flowed into through discharge bay lower channel 14 and discharge bay tail gates 16;Purposes from row described herein Newly-increased purposes for pumping plant after transformation;
3. it is applied to, when drawing, close discharge bay upper lock gate 19 and discharge bay circular hole cover plate 21, opens intake pool gate 13 With discharge bay tail gates 16, water pump assembly 8 do not run, now current by water outlet channel 15 through discharge bay tail gates 16 and discharge bay Lower channel 14 flows into intake pool 3, enters through intake pool gate 13 and flows into irrigation channel 24 behind forebay 1;Described herein from drawing Purposes is the newly-increased purposes of pumping plant after transformation;
4., when being applied to irrigate by lifting water to a higher level with a water pump, etc., the improved pumping plant needs adjacent two water pump assemblies and corresponding aquaporin of crossing to combine Use, wherein, a water pump assembly 8 runs, if 8 place passage of the water pump assembly of the operation is A channel, another water pump machine Group 8 is not run, if the passage that the water pump assembly 8 not run is located is channel B;Close the intake pool gate 13 of A channel, go out Pond upper lock gate 19, the discharge bay upper lock gate 19 of discharge bay circular hole cover plate 21 and channel B, discharge bay tail gates 16, open A channel Discharge bay tail gates 16 and channel B discharge bay circular hole cover plate 21, intake pool gate 13, run A channel water pump assembly 8; When irrigating by lifting water to a higher level with a water pump, etc., current flow into intake pool 3 by water outlet channel 15 through the discharge bay tail gates 16 and discharge bay lower channel 14 of A channel, warp The water pump assembly 8 of A channel is promoted to the discharge bay upper channel 17 of A channel, through the discharge bay partition wall between A channel and channel B Square hole 23 is flowed under the discharge bay upper channel 17 of channel B, then the discharge bay through the inflow channel B of discharge bay circular hole 20 of channel B Layer passage 14, then the inflow of intake pool gate 13 forebay 1 through intake pool 3 and channel B, finally flow into irrigation channel 24;This place State the newly-increased purposes that the purposes that irrigates by lifting water to a higher level with a water pump, etc. is pumping plant after transformation.

Claims (1)

1. a kind of by single-use improvement of pumping station for multipurpose pumping plant construction method, it is characterized in that, the construction method include with Lower step:
(1)Retain forebay, intake pool, intake pool dividing pier, intake pool base plate, pump house and the water pump assembly of single-use pumping plant;
(2)It transform the intake pool maintenance door of single-use pumping plant as intake pool regulating gate;
(3)The individual layer discharge bay and its maintenance door, dividing pier and base plate of the single-use pumping plant is removed, and is transformed out by claimed below Pond:
1. improved discharge bay is made up of discharge bay upper channel and discharge bay lower channel, each layer port number and the list The port number of layer discharge bay is identical;
2. the rear wall of the single-use pumping plant intake pool is got through, the import of the discharge bay lower channel is connected with intake pool, The outlet of discharge bay lower channel is connected with water outlet channel, and sets out pond tail gates in the exit of discharge bay lower channel;
3. the import of the discharge bay upper channel is connected with pumping line, the outlet of discharge bay upper channel and outlet canal Road is connected, and sets out pond upper lock gate in the exit of discharge bay upper channel;
4. the circular hole connected with the discharge bay lower channel is opened up in the bottom surface of the discharge bay upper channel, and is configured Pond circular hole cover plate;
5. discharge bay partition wall square hole is opened up on the division wall of the discharge bay upper channel.
CN201510614850.5A 2015-09-24 2015-09-24 A kind of by single-use improvement of pumping station for multipurpose pumping plant construction method Active CN105155621B (en)

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CN112502092A (en) * 2020-08-20 2021-03-16 长江勘测规划设计研究有限责任公司 Water gate and pump station double-layer integrated structure and operation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505733A (en) * 2011-11-15 2012-06-20 上海市水利工程设计研究院 Double-layered pump gate arrangement structure

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RU2142538C1 (en) * 1994-08-17 1999-12-10 Государственный проектный институт "Северо-Кавказский Гипрокоммунводоканал" Pumping station
JP3979630B2 (en) * 2002-01-30 2007-09-19 株式会社荏原製作所 Pump station and pump installation method
CN203222844U (en) * 2013-04-08 2013-10-02 沈阳惠禹天程机电设备销售有限公司 Tap water secondary booster pump station energy-saving device
CN103422539B (en) * 2013-09-02 2014-12-24 大连莱力柏信息技术股份有限公司 Secondary water supply booster pump station energy saving method based on network large closed loop control system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505733A (en) * 2011-11-15 2012-06-20 上海市水利工程设计研究院 Double-layered pump gate arrangement structure

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