CN108628244A - Sewage plant wisdom energy-saving pump station control method - Google Patents
Sewage plant wisdom energy-saving pump station control method Download PDFInfo
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- CN108628244A CN108628244A CN201810633824.0A CN201810633824A CN108628244A CN 108628244 A CN108628244 A CN 108628244A CN 201810633824 A CN201810633824 A CN 201810633824A CN 108628244 A CN108628244 A CN 108628244A
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- pump
- plc program
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
Abstract
The invention discloses a kind of sewage plant wisdom energy-saving pump station control methods.Step S1：Pump pit level is acquired by liquid level gauge.Step S2：Pass through the run time period and dwell time period of the preset coarse rack of PLC program and conveyer.Step S3：By the preset pump pit level of PLC program, the difference of the pump pit level acquired in preset pump pit level and step S1 is inputted into PID regulator as departure.Step S4：PID regulator obtains above-mentioned departure, and by adjusting the running frequency needed for output immersed sewage pump.Step S5：Frequency converter obtains above-mentioned running frequency, and controls each immersed sewage pump frequency conversion operation.Sewage plant wisdom energy-saving pump station control method disclosed by the invention, the running frequency of immersed sewage pump is adjusted using PID, adjust automatically running frequency without human intervention so that the operation that immersed sewage pump can be normally and efficiently, and greatly reduce the electric energy loss of sewage plant equipment of pumping station.
Description
Technical field
The invention belongs to biochemical processing fields, and in particular to a kind of sewage plant wisdom energy-saving pump station control method.
Background technology
Sewage plant pumping station system by headstock gear, coarse rack, conveyer, immersed sewage pump group at, wherein coarse rack, conveyer with
Immersed sewage pump is required for operations staff to all start and stop of live hand or in the manual start and stop of control centre.This system has following 4
Problem：
1, relatively high to manpower requirements.
2, since immersed sewage pump needs long-play, sometimes operations staff is unwilling to switch latent dirt to save trouble
Water pump, allows a certain immersed sewage pump operation overlong time, to excessive to equipment loss.
3, it is not constant between because of sewage plant flow of inlet water, but long-time power frequency operation, one are easy immersed sewage pump
Appear in flow of inlet water it is less than normal when immersed sewage pump will pump the dangerous situations that fan the air of Chi Zhongshui, secondly immersed sewage pump can only power frequency operation
Optimal operating condition can not be realized according to actual conditions, it is excessive so as to cause electric energy loss.
4, some sewage plants are directed to problem 3, are equipped with frequency converter for immersed sewage pump, make immersed sewage pump can be according to actual conditions
Converting operation is carried out, but operations staff is required for manually change frequency, not only increase operations staff's working strength and can not be protected
Demonstrate,prove efficiency.
Invention content
The present invention is directed to the situation of the prior art, overcomes drawbacks described above, provides a kind of sewage plant wisdom energy-saving pump station control
Method.
The present invention uses following technical scheme, the sewage plant wisdom energy-saving pump station control method to include the following steps：
Step S1：Pump pit level is acquired by liquid level gauge；
Step S2：Pass through the run time period and dwell time period of the preset coarse rack of PLC program and conveyer；
Step S3：By the preset pump pit level of PLC program, the pump pit level that will be acquired in preset pump pit level and step S1
Difference as departure input PID regulator；
Step S4：PID regulator obtains above-mentioned departure, and by adjusting the operation frequency needed for output immersed sewage pump
Rate；
Step S5：Frequency converter obtains above-mentioned running frequency, and controls each immersed sewage pump frequency conversion operation.
According to above-mentioned technical proposal, in step S2, including step S2.1 and step S2.2：
Step S2.1：When coarse rack accumulated running time reaching the preset run time period, controlled by PLC program
Coarse rack is automatically stopped operation；
Step S2.2：When coarse rack, which adds up dwell time, reaches the preset dwell time period, controlled by PLC program
Coarse rack starts operation automatically.
Further include step S2.3 and step S2.4 in step S2 according to above-mentioned technical proposal：
Step S2.3：When coarse rack accumulated running time reaching the preset run time period, controlled by PLC program
Conveyer is automatically stopped operation after being delayed 30 seconds；
Step S2.4：When coarse rack, which adds up dwell time, reaches the preset dwell time period, controlled by PLC program
Conveyer starts operation automatically.
According to above-mentioned technical proposal, the sewage plant wisdom energy-saving pump station control method further includes step S6, the step
S6 is located at after step S5：
Step S6：By PLC program be up to continuous operating time upper limit threshold immersed sewage pump force be switched to it is spare
Immersed sewage pump.
According to above-mentioned technical proposal, step S6 includes step S6.1, step S6.2, step S6.3 and step S6.4：
Step S6.1：Continuous operating time and the accumulated running time of each immersed sewage pump are recorded by PLC program；
Step S6.2：Immersed sewage pump out of service is pumped labeled as spare immersed sewage by PLC program；
Step S6.3：Each immersed sewage is set by PLC program and pumps unified continuous operating time upper limit threshold；
Step S6.4：When the continuous operating time of any immersed sewage pump reaches preset continuous operating time upper limit threshold
When, immersed sewage pump is automatically stopped by operation by PLC program, while by PLC program by the standby of accumulated running time minimum
Immersed sewage pump is automatic to start operation.
Sewage plant wisdom energy-saving pump station control method disclosed by the invention, advantage are, latent dirt is adjusted using PID
The running frequency of water pump, without human intervention adjust automatically running frequency so that the operation that immersed sewage pump can be normally and efficiently,
And greatly reduce the electric energy loss of sewage plant equipment of pumping station.
Specific implementation mode
The invention discloses a kind of sewage plant wisdom energy-saving pump station control methods, with reference to preferred embodiment, to this hair
Bright specific implementation mode is further described.
Preferably, the sewage plant wisdom energy-saving pump station control method includes the following steps：
Step S1：Pump pit level is acquired by liquid level gauge；
Step S2：Pass through the run time period and dwell time period of the preset coarse rack of PLC program and conveyer；
Step S3：By the preset pump pit level of PLC program, the pump pit level that will be acquired in preset pump pit level and step S1
Difference as departure input PID regulator；
Step S4：PID regulator obtains above-mentioned departure, and by adjusting the operation frequency needed for output immersed sewage pump
Rate；
Step S5：Frequency converter obtains above-mentioned running frequency, and controls each immersed sewage pump frequency conversion operation.
Further, in step S2, including step S2.1 and step S2.2：
Step S2.1：When coarse rack accumulated running time reaching the preset run time period, controlled by PLC program
Coarse rack is automatically stopped operation；
Step S2.2：When coarse rack, which adds up dwell time, reaches the preset dwell time period, controlled by PLC program
Coarse rack starts operation automatically.
Further, further include step S2.3 and step S2.4 in step S2：
Step S2.3：When coarse rack accumulated running time reaching the preset run time period, controlled by PLC program
Conveyer is automatically stopped operation after being delayed 30 seconds；
Step S2.4：When coarse rack, which adds up dwell time, reaches the preset dwell time period, controlled by PLC program
Conveyer starts operation automatically.
Further, the sewage plant wisdom energy-saving pump station control method further includes step S6, and the step S6 is located at step
After rapid S5：
Step S6：By PLC program be up to continuous operating time upper limit threshold immersed sewage pump force be switched to it is spare
Immersed sewage pump.
Wherein, step S6 includes step S6.1, step S6.2, step S6.3 and step S6.4：
Step S6.1：Continuous operating time and the accumulated running time of each immersed sewage pump are recorded by PLC program；
Step S6.2：Immersed sewage pump out of service is pumped labeled as spare immersed sewage by PLC program；
Step S6.3：Each immersed sewage is set by PLC program and pumps unified continuous operating time upper limit threshold；
Step S6.4：When the continuous operating time of any immersed sewage pump reaches preset continuous operating time upper limit threshold
When, immersed sewage pump is automatically stopped by operation by PLC program, while by PLC program by the standby of accumulated running time minimum
Immersed sewage pump is automatic to start operation.
Sewage plant wisdom energy-saving pump station control method disclosed in present patent application, for several present in background technology
A problem is equipped with frequency converter on the basis of original sewage plant pumping plant for immersed sewage pump, and pump pit level is acquired with liquid level gauge.Profit
The start and stop of coarse rack, conveyer and immersed sewage pump are controlled in control centre with PLC system.
Utilize the automatic start-stop of time control coarse rack and conveyer, i.e. operations staff that thick lattice can be set in PLC program
The run time and dwell time of grid, are automatically stopped, then when coarse rack accumulated running time being made to reach preset run time
Start automatically when the coarse rack stopping cumulative time reaching preset dwell time, so recycles.To reach fully automatic operation,
Without manually participating in.The start and stop of conveyer follow coarse rack, i.e. coarse rack to start, and conveyer can start automatically immediately；Coarse rack
30s after stopping, conveyer are automatically stopped.The automatic start-stop of conveyer so can be realized.
The running frequency of immersed sewage pump is adjusted using PID in PLC program.By operations staff, preset one pumps pit level,
In PLC program, adjusted using the difference between the preset pump pit level of operations staff and the practical pump pit level of acquisition as PID
Then the departure of device passes through PID and adjusts to obtain running frequency needed for immersed sewage pump, by PLC system be sent to frequency converter with
Frequency converter frequency conversion is controlled, to make immersed sewage pump be run with correct frequency.It so can adjust automatically without human intervention
Running frequency so that the operation that immersed sewage pump can be normally and efficiently, and greatly reduce the electric energy loss of sewage plant equipment of pumping station.
Judge start and stop in addition, can also be pumped to immersed sewage and carry out time cumulation.It is each immersed sewage pump difference in PLC program
The cumulative time is calculated, the continuous operating time of switching is forced by the preset immersed sewage pump of operations staff, when wherein certain latent dirt
When the continuous operating time of water pump is higher than the set time, PLC program will be automatically stopped the pump, and it is standby then to start remaining automatically
With the pump of cumulative time at least is run in pump, pumping station system is kept to continue stable operation.When can so substantially reduce long
Between run the loss that is pumped to immersed sewage.
For a person skilled in the art, the technical solution recorded in foregoing embodiments can still be repaiied
Change or equivalent replacement of some of the technical features, all within the spirits and principles of the present invention, made by any repair
Change, equivalent replacement, improvement etc., should be included in protection scope of the present invention.
Claims (5)
1. a kind of sewage plant wisdom energy-saving pump station control method, which is characterized in that include the following steps：
Step S1：Pump pit level is acquired by liquid level gauge；
Step S2：Pass through the run time period and dwell time period of the preset coarse rack of PLC program and conveyer；
Step S3：By the preset pump pit level of PLC program, by the difference of the pump pit level acquired in preset pump pit level and step S1
Value inputs PID regulator as departure；
Step S4：PID regulator obtains above-mentioned departure, and by adjusting the running frequency needed for output immersed sewage pump；
Step S5：Frequency converter obtains above-mentioned running frequency, and controls each immersed sewage pump frequency conversion operation.
2. sewage plant wisdom energy-saving pump station control method according to claim 1, which is characterized in that in step S2, including
Step S2.1 and step S2.2：
Step S2.1：When coarse rack accumulated running time reaching the preset run time period, thick lattice are controlled by PLC program
Grid are automatically stopped operation；
Step S2.2：When coarse rack, which adds up dwell time, reaches the preset dwell time period, thick lattice are controlled by PLC program
Grid start operation automatically.
3. sewage plant wisdom energy-saving pump station control method according to claim 2, which is characterized in that in step S2, also wrap
Include step S2.3 and step S2.4：
Step S2.3：When coarse rack accumulated running time reaching the preset run time period, is controlled and conveyed by PLC program
Machine is automatically stopped operation after being delayed 30 seconds；
Step S2.4：When coarse rack, which adds up dwell time, reaches the preset dwell time period, is controlled and conveyed by PLC program
Machine starts operation automatically.
4. sewage plant wisdom energy-saving pump station control method according to claim 1, which is characterized in that the sewage plant wisdom
Energy-saving pump station control method further includes step S6, and the step S6 is located at after step S5：
Step S6：The immersed sewage pump that continuous operating time upper limit threshold is up to by PLC program is forced to be switched to spare dive
Sewage pump.
5. sewage plant wisdom energy-saving pump station control method according to claim 4, which is characterized in that step S6 includes step
Rapid S6.1, step S6.2, step S6.3 and step S6.4：
Step S6.1：Continuous operating time and the accumulated running time of each immersed sewage pump are recorded by PLC program；
Step S6.2：Immersed sewage pump out of service is pumped labeled as spare immersed sewage by PLC program；
Step S6.3：Each immersed sewage is set by PLC program and pumps unified continuous operating time upper limit threshold；Step S6.4：
It, should by PLC program when the continuous operating time of any immersed sewage pump reaches preset continuous operating time upper limit threshold
Immersed sewage pump is automatically stopped operation, while being opened accumulated running time minimum spare immersed sewage pump automatically by PLC program
Dynamic operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633824.0A CN108628244A (en) | 2018-06-20 | 2018-06-20 | Sewage plant wisdom energy-saving pump station control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633824.0A CN108628244A (en) | 2018-06-20 | 2018-06-20 | Sewage plant wisdom energy-saving pump station control method |
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| CN108628244A true CN108628244A (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810633824.0A Pending CN108628244A (en) | 2018-06-20 | 2018-06-20 | Sewage plant wisdom energy-saving pump station control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963538A (en) * | 2019-10-25 | 2020-04-07 | 广东科创工程技术有限公司 | Control method for stable water inflow of sewage plant |
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| CN201442876U (en) * | 2009-06-23 | 2010-04-28 | 胜利油田胜利工程设计咨询有限责任公司 | Fuel high pressure burning direct evaporation oil field sewage water device |
| CN201496242U (en) * | 2009-03-25 | 2010-06-02 | 烟台昱合环保科技有限公司 | Automatic remote control and energy saving system of cluster pump station |
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| CN106365381A (en) * | 2016-08-31 | 2017-02-01 | 马占久 | Reflux pump control method in sewage treatment plant |
| CN206538215U (en) * | 2017-03-02 | 2017-10-03 | 广州市泽控自动化科技有限公司 | A kind of sewage disposal system |
| CN207468337U (en) * | 2017-05-18 | 2018-06-08 | 宣尧杭 | Full-automatic sewage monitors feedback control system |
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Patent Citations (6)
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|---|---|---|---|---|
| CN201496242U (en) * | 2009-03-25 | 2010-06-02 | 烟台昱合环保科技有限公司 | Automatic remote control and energy saving system of cluster pump station |
| CN201442876U (en) * | 2009-06-23 | 2010-04-28 | 胜利油田胜利工程设计咨询有限责任公司 | Fuel high pressure burning direct evaporation oil field sewage water device |
| CN101761490A (en) * | 2009-12-23 | 2010-06-30 | 北京吉源汇远科技有限公司 | Control method and system for inlet water lifting pumps of sewage plant |
| CN106365381A (en) * | 2016-08-31 | 2017-02-01 | 马占久 | Reflux pump control method in sewage treatment plant |
| CN206538215U (en) * | 2017-03-02 | 2017-10-03 | 广州市泽控自动化科技有限公司 | A kind of sewage disposal system |
| CN207468337U (en) * | 2017-05-18 | 2018-06-08 | 宣尧杭 | Full-automatic sewage monitors feedback control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110963538A (en) * | 2019-10-25 | 2020-04-07 | 广东科创工程技术有限公司 | Control method for stable water inflow of sewage plant |
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Application publication date: 20181009 |