CN110963538A - Control method for stable water inflow of sewage plant - Google Patents
Control method for stable water inflow of sewage plant Download PDFInfo
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- CN110963538A CN110963538A CN201911025604.0A CN201911025604A CN110963538A CN 110963538 A CN110963538 A CN 110963538A CN 201911025604 A CN201911025604 A CN 201911025604A CN 110963538 A CN110963538 A CN 110963538A
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- water
- water pump
- sewage plant
- inflow
- sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
Abstract
The invention discloses a control method for stable water inflow of a sewage plant, which comprises the following steps of firstly, surveying the environment of the sewage plant; step two, the water inflow of the sewage plant is investigated; thirdly, adding and reducing a water inlet pump; step four, controlling water inflow through frequency conversion; step five, water pump problem treatment; step six, the files are summarized and stored; step seven, comparing the later data; this control method of sewage factory stable intake adopts artifical PLC power frequency to compile the procedure and carries out automatic planning, and the liquid level rate of change carries out dynamic adjustment to the water pump position, foresees the inflow, utilizes the water pump drainage to offset the water level variation, keeps sewage factory stable intake, uses frequency conversion technology operation sewage factory intake water pump, the power consumption of water pump when greatly reduced sewage factory intake, sewage factory intake water pump adopts priority to rotate and works simultaneously, makes sewage factory intake water pump operating time unanimous, reduces sewage factory intake water pump's consumption, is favorable to prolonging sewage factory intake water pump life.
Description
Technical Field
The invention relates to the field of water inflow of sewage plants, in particular to a control method for stable water inflow of a sewage plant.
Background
When the water is discharged into the urban drainage pipeline, the treatment plant is in fact a pre-treatment facility, the wastewater treatment plant is a complex system consisting of a plurality of unit processes, the costs and the efficiencies of the unit processes are interrelated and influence each other, finally determining the cost and efficiency of the whole system, the general sewage plant water inlet control method adopts manual on-site control, floating ball control and simple loop control, manual control can not dynamically adjust the position of the water pump according to the liquid level change rate, the prejudgment of the water inflow is not beneficial to keeping the stable water inflow of the sewage plant, and the power consumption of the water pump is large when the sewage plant enters water, the resource is wasted, moreover, the working time of the water pumps is inconsistent when the water pumps are manually controlled in the sewage plant, so that the water pumps in the sewage plant consume a lot of water, and the service life of the water pumps in the sewage plant is not prolonged; in view of these drawbacks, it is necessary to design a control method for stabilizing the inflow of water in a sewage plant.
Disclosure of Invention
The present invention is directed to a method for controlling stable water intake in a sewage plant, so as to solve the problems of the background art.
In order to solve the technical problems, the invention provides the following technical scheme: a control method for stable water inflow of a sewage plant comprises the steps of firstly, surveying the environment of the sewage plant; step two, the water inflow of the sewage plant is investigated; thirdly, adding and reducing a water inlet pump; step four, controlling water inflow through frequency conversion; step five, water pump problem treatment; step six, the files are summarized and stored; step seven, comparing the later data;
in the first step, the sewage plant environment surveying comprises the following steps:
1) manually surveying the sewage plant environment of the selected site, recording the temperature and the humidity of the sewage plant, drawing a line graph and storing to obtain the basic environment condition of the sewage plant;
2) surveying the type of underground water of the sewage plant, finding out the size and the position of a karst cave, a karst trough, a karst trench and a soil cave around the sewage plant, and observing whether the water inflow of the sewage plant is influenced;
in the second step, the investigation of the inlet water of the sewage plant comprises the following steps:
1) manually observing a water inlet pipeline of a sewage plant, recording the flow of the pipeline and the position of a water pump, and drawing a pipeline position diagram;
2) counting the power consumption of a water pump and a factory during sewage treatment, drawing a line graph for storage, recording the water inflow of the sewage factory, and recording for storage;
wherein in the third step, the increase and decrease of the water inlet pump comprise the following steps:
1) judging whether the water pumps need to be added or deleted according to the pipeline flow and the water pump positions recorded in the step two, and recording, backing up and storing the added and deleted water pumps;
2) dynamically adjusting the position of the water pump according to the liquid level change rate, prejudging the water inflow, counteracting the water level change by utilizing the drainage of the water pump, and keeping the sewage plant to stably feed water;
3) recording the water inlet condition of the sewage plant after the position of the water pump is changed every time, and manually backing up and storing for 10-15 days;
wherein in the fourth step, the frequency conversion control of water inflow comprises the following steps:
1) the frequency conversion technology and the PLC are utilized to control the opening and closing of the water pump, the working state of the water pump is adjusted by using the change of the water level, the water level is high, the water pump works totally, the water level is low, and the work of the water pump is reduced;
2) each water pump works by adopting priority alternation, and the water pumps work circularly and alternately, so that the working time of each water pump is consistent;
3) under the condition that the upstream does not overflow, the water pump is kept to operate under the high liquid level of the water collecting tank;
in the fifth step, the water pump problem treatment comprises the following steps:
1) when the water pump has working problems, the water pump is manually replaced, the reason of the replaced water pump is inquired, and the record is manually backed up;
2) when the liquid level meter is abnormal, the central processing unit gives an alarm, the water pump is manually stopped for maintenance, and meanwhile, the abnormal situation is recorded;
3) when the frequency converter is abnormal, the water pump is manually closed, the PLC power frequency is operated to rewrite and modify the program, and the mode can be automatically switched when an error occurs again;
in the sixth step, the obtained conclusion is manually recorded and stored in a file room and a computer respectively, the water inflow and the power consumption are recorded in the second step, a broken line comparison graph is drawn, and the result is manually recorded;
and seventhly, manually recording observation data at intervals, and simultaneously comparing the data.
According to the technical scheme, in the step one 2), the recorded data is stored in an archive room for subsequent comparison.
According to the technical scheme, in the step two 2), data needs to be continuously recorded for 15-30 days, and then the data is sorted and summarized.
According to the technical scheme, in the step three 1), the water inlet condition of the sewage plant is observed every 2 hours manually.
According to the technical scheme, in the step five 1), the replaced water pump is recycled, repaired and reused.
According to the technical scheme, in the seventh step, observation and recording are carried out once every other month.
Compared with the prior art, the invention has the following beneficial effects: this control method of sewage factory stable intake adopts artifical PLC power frequency to compile the procedure and carries out automatic planning, the liquid level change rate carries out dynamic adjustment to the water pump position, prejudge the inflow, utilize the water pump drainage to offset the water level variation, keep sewage factory stable intake, use frequency conversion technology operation sewage factory intake water pump, the power consumption of water pump when greatly reduced sewage factory intake, be favorable to resources are saved, sewage factory intake water pump adopts priority to take turns to work simultaneously, make sewage factory intake water pump operating time unanimous, reduce the consumption of sewage factory intake water pump, be favorable to prolonging sewage factory intake water pump life, make things convenient for sewage factory stable intake.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
a control method for stable water inflow of a sewage plant comprises the steps of firstly, surveying the environment of the sewage plant; step two, the water inflow of the sewage plant is investigated; thirdly, adding and reducing a water inlet pump; step four, controlling water inflow through frequency conversion; step five, water pump problem treatment; step six, the files are summarized and stored; step seven, comparing the later data;
in the first step, the sewage plant environment surveying comprises the following steps:
1) manually surveying the sewage plant environment of the selected site, recording the temperature and the humidity of the sewage plant, drawing a line graph and storing to obtain the basic environment condition of the sewage plant;
2) surveying the type of underground water of the sewage plant, finding out the size and the position of a karst cave, a karst trough, a karst trench and a soil cave around the sewage plant, observing whether water inflow of the sewage plant is influenced, and recording data to be stored in a file room for subsequent comparison;
in the second step, the investigation of the inlet water of the sewage plant comprises the following steps:
1) manually observing a water inlet pipeline of a sewage plant, recording the flow of the pipeline and the position of a water pump, and drawing a pipeline position diagram;
2) counting the power consumption of a water pump and a factory during sewage treatment, drawing a line graph for storage, recording the water inflow of the sewage factory, recording and storing, continuously recording data for 15-30 days, and sorting and summarizing;
wherein in the third step, the increase and decrease of the water inlet pump comprise the following steps:
1) judging whether the water pumps need to be added or deleted according to the pipeline flow and the water pump positions recorded in the step two, recording, backing up and storing the added or deleted water pumps, and manually observing the water inlet condition of the sewage plant every 2 hours;
2) dynamically adjusting the position of the water pump according to the liquid level change rate, prejudging the water inflow, counteracting the water level change by utilizing the drainage of the water pump, and keeping the sewage plant to stably feed water;
3) recording the water inlet condition of the sewage plant after the position of the water pump is changed every time, and manually backing up and storing for 10-15 days;
wherein in the fourth step, the frequency conversion control of water inflow comprises the following steps:
1) the frequency conversion technology and the PLC are utilized to control the opening and closing of the water pump, the working state of the water pump is adjusted by using the change of the water level, the water level is high, the water pump works totally, the water level is low, and the work of the water pump is reduced;
2) each water pump works by adopting priority alternation, and the water pumps work circularly and alternately, so that the working time of each water pump is consistent;
3) under the condition that the upstream does not overflow, the water pump is kept to operate under the high liquid level of the water collecting tank;
in the fifth step, the water pump problem treatment comprises the following steps:
1) when the water pump has working problems, the water pump is manually replaced, the reason of the replaced water pump is inquired, the record is manually backed up, and the replaced water pump is recovered, repaired and reused;
2) when the liquid level meter is abnormal, the central processing unit gives an alarm, the water pump is manually stopped for maintenance, and meanwhile, the abnormal situation is recorded;
3) when the frequency converter is abnormal, the water pump is manually closed, the PLC power frequency is operated to rewrite and modify the program, and the mode can be automatically switched when an error occurs again;
in the sixth step, the obtained conclusion is manually recorded and stored in a file room and a computer respectively, the water inflow and the power consumption are recorded in the second step, a broken line comparison graph is drawn, and the result is manually recorded;
and in the seventh step, manually recording observation data every other month, and simultaneously comparing the data.
Based on the above, the invention has the advantages that the manual PLC power frequency programming program is adopted to automatically plan, the liquid level change rate dynamically adjusts the position of the water pump, the water inflow is pre-judged, the water level change is counteracted by utilizing the water pump drainage, the stable water inflow of the sewage plant is kept, the frequency conversion technology is used for operating the water inlet pump of the sewage plant, the power consumption of the water pump is greatly reduced when the sewage plant enters water, meanwhile, the water inlet pump of the sewage plant adopts priority alternation for working, the working time of the water inlet pump of the sewage plant is consistent, and the consumption of the water inlet pump of the sewage plant is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A control method for stable water inflow of a sewage plant comprises the steps of firstly, surveying the environment of the sewage plant; step two, the water inflow of the sewage plant is investigated; thirdly, adding and reducing a water inlet pump; step four, controlling water inflow through frequency conversion; step five, water pump problem treatment; step six, the files are summarized and stored; step seven, comparing the later data; the method is characterized in that:
in the first step, the sewage plant environment surveying comprises the following steps:
1) manually surveying the sewage plant environment of the selected site, recording the temperature and the humidity of the sewage plant, drawing a line graph and storing to obtain the basic environment condition of the sewage plant;
2) surveying the type of underground water of the sewage plant, finding out the size and the position of a karst cave, a karst trough, a karst trench and a soil cave around the sewage plant, and observing whether the water inflow of the sewage plant is influenced;
in the second step, the investigation of the inlet water of the sewage plant comprises the following steps:
1) manually observing a water inlet pipeline of a sewage plant, recording the flow of the pipeline and the position of a water pump, and drawing a pipeline position diagram;
2) counting the power consumption of a water pump and a factory during sewage treatment, drawing a line graph for storage, recording the water inflow of the sewage factory, and recording for storage;
wherein in the third step, the increase and decrease of the water inlet pump comprise the following steps:
1) judging whether the water pumps need to be added or deleted according to the pipeline flow and the water pump positions recorded in the step two, and recording, backing up and storing the added and deleted water pumps;
2) dynamically adjusting the position of the water pump according to the liquid level change rate, prejudging the water inflow, counteracting the water level change by utilizing the drainage of the water pump, and keeping the sewage plant to stably feed water;
3) recording the water inlet condition of the sewage plant after the position of the water pump is changed every time, and manually backing up and storing for 10-15 days;
wherein in the fourth step, the frequency conversion control of water inflow comprises the following steps:
1) the frequency conversion technology and the PLC are utilized to control the opening and closing of the water pump, the working state of the water pump is adjusted by using the change of the water level, the water level is high, the water pump works totally, the water level is low, and the work of the water pump is reduced;
2) each water pump works by adopting priority alternation, and the water pumps work circularly and alternately, so that the working time of each water pump is consistent;
3) under the condition that the upstream does not overflow, the water pump is kept to operate under the high liquid level of the water collecting tank;
in the fifth step, the water pump problem treatment comprises the following steps:
1) when the water pump has working problems, the water pump is manually replaced, the reason of the replaced water pump is inquired, and the record is manually backed up;
2) when the liquid level meter is abnormal, the central processing unit gives an alarm, the water pump is manually stopped for maintenance, and meanwhile, the abnormal situation is recorded;
3) when the frequency converter is abnormal, the water pump is manually closed, the PLC power frequency is operated to rewrite and modify the program, and the mode can be automatically switched when an error occurs again;
in the sixth step, the obtained conclusion is manually recorded and stored in a file room and a computer respectively, the water inflow and the power consumption are recorded in the second step, a broken line comparison graph is drawn, and the result is manually recorded;
and seventhly, manually recording observation data at intervals, and simultaneously comparing the data.
2. The method for controlling stable inflow of water to a sewage plant according to claim 1, wherein: in the step one 2), the recorded data is stored in an archive room for subsequent comparison.
3. The method for controlling stable inflow of water to a sewage plant according to claim 1, wherein: in the step 2), the data needs to be continuously recorded for 15-30 days, and the data is sorted and summarized.
4. The method for controlling stable inflow of water to a sewage plant according to claim 1, wherein: in the step three 1), the water inlet condition of the sewage plant is observed manually every 2 hours.
5. The method for controlling stable inflow of water to a sewage plant according to claim 1, wherein: and in the step five 1), the replaced water pump is recycled, repaired and reused.
6. The method for controlling stable inflow of water to a sewage plant according to claim 1, wherein: in the seventh step, the observation is recorded every other month.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911025604.0A CN110963538A (en) | 2019-10-25 | 2019-10-25 | Control method for stable water inflow of sewage plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911025604.0A CN110963538A (en) | 2019-10-25 | 2019-10-25 | Control method for stable water inflow of sewage plant |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968170A (en) * | 1995-08-29 | 1997-03-11 | Hitachi Ltd | Sewage pump control device in sewage treatment plant |
| 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 |
| CN108628244A (en) * | 2018-06-20 | 2018-10-09 | 江苏复星节能环保有限公司 | Sewage plant wisdom energy-saving pump station control method |
-
2019
- 2019-10-25 CN CN201911025604.0A patent/CN110963538A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0968170A (en) * | 1995-08-29 | 1997-03-11 | Hitachi Ltd | Sewage pump control device in sewage treatment plant |
| 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 |
| CN108628244A (en) * | 2018-06-20 | 2018-10-09 | 江苏复星节能环保有限公司 | Sewage plant wisdom energy-saving pump station control method |
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Address after: 523000 Room 301, building 9, No.1, North 4th Industrial Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant after: Guangdong Kechuang Zhishui Technology Co.,Ltd. Address before: 523000 Room 301, building 9, No.1, North 4th Industrial Road, Songshanhu Park, Dongguan City, Guangdong Province Applicant before: GUANGDONG FORCON ENGINEERING TECHNOLOGY Co.,Ltd. |
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Application publication date: 20200407 |
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