CN201236381Y - Municipal drainage pump station collecting well fluid level control energy-saving apparatus - Google Patents
Municipal drainage pump station collecting well fluid level control energy-saving apparatus Download PDFInfo
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- CN201236381Y CN201236381Y CNU2008201512613U CN200820151261U CN201236381Y CN 201236381 Y CN201236381 Y CN 201236381Y CN U2008201512613 U CNU2008201512613 U CN U2008201512613U CN 200820151261 U CN200820151261 U CN 200820151261U CN 201236381 Y CN201236381 Y CN 201236381Y
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- collecting well
- level control
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Abstract
The utility model relates to an energy-saving liquid level control device of a collecting well in an urban drainage pumping station, which comprises at least two liquid level sensors respectively arranged at different depths in the collecting well, and a programmable controller, wherein the liquid level sensors are respectively connected to the programmable controller which is electrically connected with the electric valve of every water pump via an output module. The utility model optimizes liquid level control, reduces energy loss, prolongs the working hours of single machine, reduces the frequency for stating up and cutting off, reduces the interference time on the power grid, prolongs the service life of mechanical electric equipment, and coordinates the load of every unit to reduce the downtime probability and the maintenance frequency of the units.
Description
Technical field
The utility model relates to municipal sewage drainage system control technology, particularly Urban Drainage Pumping Stations collecting well liquid level control energy saver.
Background technology
Energy problem is a big problem, the metropolis that Shanghai is such, and the responsibility of energy-saving and emission-reduction is very heavy, and task is very arduous.Drainage system is to guarantee city normal operation important key link, but is the big power consumer in city, no matter considers from the social responsibility that should bear with from economic benefit of enterprises, must pay attention to especially.
Owing to do not do requirement in restriction of the early stage technical level of drainage pumping plant or the design, energy consumption is generally all bigger, is the current energy-conservation task of proposing many technological transformations.
A drainage pumping plant, generally form by 5～6 units, every unit mainly drives drainage pump by motor by major axis, the sewage of low level collecting well is input to high-order collecting well through dexterous door (one way valve), and six exit of pump converge the interflow from the low level collecting well of high-order spontaneous current to the next stage pumping plant then through dexterous door separately.So the one-level one-level to Wastewater Treatment Plant, handles entering rivers, sea after up to standard to sewage transport.
Six drainage pumps are opened one, two, three, four or five by tank level control system, (generally staying one does standby) according to the height (being determined by the flow that the previous stage pumping plant is carried) of low level collecting well water level.Assurance is transported to the next stage pumping plant to the water relay that comes of previous stage.The power of every water pump is generally all about 170KW, because urban sewerage and drainage is in 24 hours uninterrupted states, just with round the clock, the variation of season, weather sewage quantity changes, drainage pump also is in 24 hours uninterrupted operating conditions, just adjusts with the variation of sewage quantity (height of low level collecting well water level just) and opens the platform number.The annual power consumption of pumping plant according to potential energy principle, is optimized liquid level control about 2,000,000 degree, rationally open water pump, has obvious energy-saving effect.
There is following deficiency in above-mentioned existing liquid level control technology:
1, only by the conveying of the assurance discharge of sewage, do not consider the optimization of energy consumption, (P=Q * H) composite factor causes actual consumption by flow and lift.Lift shows the drop between foul water pump both sides low level collecting well water level and the high-order collecting well water level, because high-order collecting well SEA LEVEL VARIATION is little, so low level collecting well Water Level Control must be rationally, conventional method is by the artificial average segmentation setting of flow at present, obviously can not reach reasonable energy-saving effect.
2 just because of be provided with liquid level control by the artificial average segmentation of flow; and liquid level rising start and liquid level decline shutdown are to be set in same water level; so cause at present when many water pumps starts take place in regular meeting, wherein the phenomenon that can produce frequent start and close at certain designated water level.Big to electric network influencing, the mechanical electric apparatus loss is also big, has increased energy consumption simultaneously.
3, also be because liquid level control is set, produce the phenomenon of frequent start and close, thereby make each unit live load gap great disparity by the simple segmentation of flow.Life-span differs greatly, and the big unit maintenance of loading is frequent, has increased outage probability greatly.
Summary of the invention
The purpose of this utility model is to design a kind of Urban Drainage Pumping Stations collecting well liquid level control energy saver, optimizes liquid level control, reduces energy loss; Prolong the unit working time, reduce the start and close frequency, reduce electrical network is disturbed number of times, the application life of prolonged mechanical electrical equipment; The load of planning as a whole each unit reduces outage probability and unit maintenance frequency.
The technical solution of the utility model is,
Urban Drainage Pumping Stations collecting well liquid level control energy saver, it comprises, at least two liquid level sensors are provided with different depth in the collecting well respectively; Programmable controller, liquid level sensor insert programmable controller respectively, and programmable controller electrically connects through the motor operated valve of output module and each water pump.
Further, the utility model also includes computer, and described programmable controller is connected with computer.
The utility model has adopted the PLC program control technology, arranges a plurality of liquid level sensor sampled points in the collecting well, in conjunction with original pumping station controlling system, according to each water pump of the reasonable start-stop of the variation of liquid level, makes each water pump carry out work in strict accordance with the requirement of setting.Improved the precision of liquid level control.The PLC program is changed easy to adjust, is convenient to plan as a whole the load of each unit, and is strong to different pumping plant compliance, can reach the purpose of optimal control.
The beneficial effects of the utility model
1, energy-conservation, the collecting well water level begins to rise to-and 1.00m begins first work, and later on corresponding water level is all promoted.The collecting well water level need drop to+and 0.50m just begins to close a unit, thus having prolonged the working time of every unit, the switch gap time has been grown and has reduced number of starts unit and can fully be had a rest.There are not a pair of startup and shutdown to control with same liquid level signal, when this has just fundamentally been avoided taking place many water pumps starts, phenomenon that can produce frequent start and close wherein.
2, automation utilizes the PLC program technic flexible, and the automaticity high workload is reliable.
3, improve the unit condition of work, prolong service life of equipment, reduce 1/2nd through test shutdown number of times.
4, reduced the interference of starting current to electrical network.
Description of drawings
Fig. 1 is the schematic diagram of the utility model one embodiment;
Fig. 2 is the utility model control schematic diagram.
The specific embodiment
Referring to Fig. 1, Fig. 2, the utility model Urban Drainage Pumping Stations collecting well liquid level control energy saver, it comprises, a plurality of liquid level sensors 1 are provided with different depth in the collecting well 4 respectively; Programmable controller 2, liquid level sensor 1 inserts programmable controller 2 respectively, and programmable controller 1 electrically connects through motor 31 motor operated valves 32 of output module and each water pump 3.
The utility model also includes computer, and described programmable controller is connected with computer.
Begin to rise when the upper level pumping plant comes water input, low level collecting well water level, do not allow turn on pump below the-1.00m,-1.00m～± 0.00m opens one, ± 0.00m～+ 1.00m increases and opens two ,+1.00m～+ three of 2.00m increases, + 2.00m～+ four of 2.50m increases ...
When coming the water input quantity, reduces by the upper level pumping plant, or the our station pump output is greater than the input quantity of upper level pumping plant, the collecting well water level begins to descend, + more than the 0.50m four, + 0.50m～-0.50m reduces to three,-0.50m～-1.50m reduces to two ,-1.50m～-2.50m reduces to one, to-the following termination of pumping of 2.50m.
The low level collecting well water level of actual moving process when rise and fall to change be random basically, be reflected to by liquid level sensor 1 that PLC cyclelog 2 each water pump 3 motor of control realize.
Adopt the utility model liquid level control energy saver, energy-saving effect is obvious, generally saves about 10%.One pumping plant year power consumption greatly about 2,000,000 the degree about, 2,000,000 the degree 10%, 20 ten thousand the degree.The electricity charge are calculated by 0.5 yuan/degree and are just saved 100,000 yuan.The old and new's pumping plant collecting well liquid level control system all is traditional control method basically, 300 of the nearly similar pumping plants in the whole city, Shanghai, just just can saves energy 6,000 ten thousand spend this every year, be worth 3,000 ten thousand yuan of RMB, the input of equipment just was recoverable in 1 year, and can reach more than 3 years application life.There are how many this situations in each city, the whole nation, can't add up especially, and this part energy consumption is an appreciable numeral, and energy-conservation social effect and economic benefit all are conspicuous.
Claims (2)
1. Urban Drainage Pumping Stations collecting well liquid level control energy saver is characterized in that: comprise that two liquid level sensors are provided with different depth in the collecting well respectively at least; Programmable controller, liquid level sensor insert programmable controller respectively, and programmable controller electrically connects through the motor operated valve of output module and each water pump.
2. Urban Drainage Pumping Stations collecting well liquid level control energy saver as claimed in claim 1, it is characterized in that: also include computer, described programmable controller is connected with computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201512613U CN201236381Y (en) | 2008-07-25 | 2008-07-25 | Municipal drainage pump station collecting well fluid level control energy-saving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201512613U CN201236381Y (en) | 2008-07-25 | 2008-07-25 | Municipal drainage pump station collecting well fluid level control energy-saving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201236381Y true CN201236381Y (en) | 2009-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201512613U Expired - Fee Related CN201236381Y (en) | 2008-07-25 | 2008-07-25 | Municipal drainage pump station collecting well fluid level control energy-saving apparatus |
Country Status (1)
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| CN (1) | CN201236381Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876182A (en) * | 2010-06-03 | 2010-11-03 | 上海市城市排水有限公司 | Intelligent urban sewage drainage method |
| CN102535626A (en) * | 2012-01-13 | 2012-07-04 | 邹杰 | Municipal drainage system |
| CN108394102A (en) * | 2018-03-05 | 2018-08-14 | 郑州精图三维科技有限公司 | A kind of 3D printer liquid level automatic regulating system |
| CN108431700A (en) * | 2015-11-30 | 2018-08-21 | 苏伊士集团 | Method for generating the control signal for being suitable for being sent to the actuator in water discharge network |
-
2008
- 2008-07-25 CN CNU2008201512613U patent/CN201236381Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876182A (en) * | 2010-06-03 | 2010-11-03 | 上海市城市排水有限公司 | Intelligent urban sewage drainage method |
| CN101876182B (en) * | 2010-06-03 | 2012-05-30 | 上海市城市排水有限公司 | Intelligent urban sewage drainage method |
| CN102535626A (en) * | 2012-01-13 | 2012-07-04 | 邹杰 | Municipal drainage system |
| CN108431700A (en) * | 2015-11-30 | 2018-08-21 | 苏伊士集团 | Method for generating the control signal for being suitable for being sent to the actuator in water discharge network |
| CN108431700B (en) * | 2015-11-30 | 2022-07-15 | 苏伊士集团 | Method for generating a control signal suitable to be sent to an actuator in a water discharge network |
| CN108394102A (en) * | 2018-03-05 | 2018-08-14 | 郑州精图三维科技有限公司 | A kind of 3D printer liquid level automatic regulating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20120725 |