CN107905345B - A kind of sewage treatment plant's bilge well water discharge control method - Google Patents
A kind of sewage treatment plant's bilge well water discharge control method Download PDFInfo
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- CN107905345B CN107905345B CN201711103928.2A CN201711103928A CN107905345B CN 107905345 B CN107905345 B CN 107905345B CN 201711103928 A CN201711103928 A CN 201711103928A CN 107905345 B CN107905345 B CN 107905345B
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- sewage
- water pump
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Flow Control (AREA)
Abstract
The invention discloses a kind of sewage treatment plant's bilge well water discharge control method, special the following steps are included: S001, controller obtain sewage rate of influx by flowmeter, controller obtains the sewage reserves in bilge well by water-level gauge；S002, controller are according to the average sewage rate of influx Q in a upper working hour1Determining needs water pump quantity M to be started；S003, controller start the smallest M water pump of preferred value；S004, after one working hour of pump working, the preferred value of each water pump is recalculated, step S002 is then branched to.The present invention dynamically controls the water pump quantity started in each stage by average sewage rate of influx, rather than fixed value, can effectively control the water level in well, it is ensured that the stabilization of entire processing system, and then also make subsequent each item processing linear load balanced.This programme is suitable for all sewage treatment plants.
Description
Technical field
The present invention relates to sewage treatment fields, more particularly, to a kind of sewage treatment plant's bilge well water discharge control method.
Background technique
Sewage treatment is a very important ring in environmental improvement.Sewage generally comprises sanitary sewage and production waste.City
City's sewage usually carries out purified treatment by sewage treatment plant.
After sewage enters sewage treatment plant by pipeline, it is first discharged into bilge well (or collecting-tank), is then pumped by water pump
Enter into subsequent processing pond and is handled.Bilge well primarily serves the effect for collecting sewage, it is possible to reduce changes in flow rate is to place
The impact of reason system bring.
Existing bilge well is usually the work for controlling water pump according to the demand of processing pond, or starts water by permanent order
Pump, and the working time of each water pump can not be balanced, be easy to make certain water pump frequent start-stops or worked long hours, to water pump and entirely
The service life of system has certain adverse effect, can not also control the moisture storage capacity in bilge well relatively stablely.
Summary of the invention
The present invention mainly solve present in the prior art can not rationally balanced each pump working amount, be unable to stability contorting
The technical issues of bilge well inner storing water amount, water pump can be improved with each pump working amount of Cost Allocation and working time by providing one kind
Service life stablizes sewage treatment plant's bilge well water discharge control method of moisture storage capacity.
What the present invention was mainly addressed by following technical proposals in view of the above technical problems: a kind of sewage treatment plant
Bilge well water discharge control method, comprising the following steps:
S001, controller obtain sewage rate of influx by flowmeter, and controller is obtained in bilge well by water-level gauge
Sewage reserves；Water-level gauge directly measures and obtains height of water level, then obtains sewage reserves with height product by sectional area and (is directed to
The constant bilge well of sectional area) or sewage reserves (bilge well changed for sectional area) is obtained by look-up table；
S002, controller are according to the average sewage rate of influx Q in a upper working hour1Determining needs water pump to be started
Quantity M:
If current sewage reserves are greater than or equal to standard reserves, M isIf current sewage reserves are stored up less than standard
When amount, then M isK is the drainage rates of each water pump；For upper rounding symbol, For lower rounding symbol；
S003, controller start the smallest M water pump of preferred value；
S004, after one working hour of pump working, the preferred value of each water pump is recalculated, step is then branched to
S002。
Whole system includes the water-level gauge and several water that flowmeter at wastewater inlet is arranged in, is arranged in well
Pump, the entrance of water pump connect sewage bottom, and the outlet of each water pump is corresponded with a treatment tank, water pump, flow
Meter and water-level gauge are all electrically connected with the controller, and module connects central server, the type of each water pump to controller by wireless communication
Number identical, the processing capacity of each treatment tank is also essentially identical.It is each dynamically to control by average sewage rate of influx
The water pump quantity that stage is started, rather than fixed value can effectively control the water level in well, it is ensured that entire processing system
Stablize, and then also makes subsequent each item processing linear load balanced.
Preferably, in the step S004, the preferred value E calculation method of each water pump are as follows:
ELFor the preferred value of this water pump last time, L is drop power ratio, and 0≤L≤1, T are a upper working hour duration, R
For weighted value.Such as the preferred value of No. 1 water pump is 7 after last round of calculating, drop power ratio is 0.8, on last stage this water
Pump does not work, then the new preferred value for recalculating to obtain No. 1 water pump is 7 × 0.8=5.6.
Drop power ratio L and weighted value R are empirical parameter, are set by staff according to historical experience.Pass through preferred value
The job order of each water pump can be dynamically adjusted, to make each water pump Cost Allocation working time, reduce repair rate and failure
Rate.
Preferably, the duration T of the working hour is obtained by following manner:
T0For standard working hour duration, Q0For normal flow.
The duration of working hour is adjusted according to flow, and when flow is larger, the duration of working hour shortens, and is improved and is adjusted
Whole rate；When flow is smaller, the duration of working hour extends, to improve the stability of bilge well inner storing water amount.
Preferably, when sewage reserves V is greater than warning reserves V0When, start all pump workings, until sewage reserves V small
In safety reserves V1。
Safety reserves are less than warning reserves, generally guard against 90% or so of reserves.Above-mentioned steps can prevent sewage from storing up
It measures excessive and overflows.
Bring substantial effect of the present invention is that dynamic adjusts pump working quantity, is equalized the load of each water pump,
Extend service life of equipment, reduce failure rate and repair rate, stablizes the moisture storage capacity in bilge well.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the invention.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of sewage treatment plant's bilge well water discharge control method of the present embodiment, as shown in Figure 1, including following
Step:
S001, controller obtain sewage rate of influx by flowmeter, and controller is obtained in bilge well by water-level gauge
Sewage reserves；Water-level gauge directly measures and obtains height of water level, then obtains sewage reserves with height product by sectional area and (is directed to
The constant bilge well of sectional area) or sewage reserves (bilge well changed for sectional area) is obtained by look-up table；
S002, controller are according to the average sewage rate of influx Q in a upper working hour1Determining needs water pump to be started
Quantity M:
If current sewage reserves are greater than or equal to standard reserves, M isIf current sewage reserves are stored up less than standard
When amount, then M isK is the drainage rates of each water pump；For upper rounding symbol, For lower rounding symbol；
S003, controller start the smallest M water pump of preferred value；
S004, after one working hour of pump working, the preferred value of each water pump is recalculated, step is then branched to
S002。
Whole system includes the water-level gauge and several water that flowmeter at wastewater inlet is arranged in, is arranged in well
Pump, the entrance of water pump connect sewage bottom, and the outlet of each water pump is corresponded with a treatment tank, water pump, flow
Meter and water-level gauge are all electrically connected with the controller, and module connects central server, the type of each water pump to controller by wireless communication
Number identical, the processing capacity of each treatment tank is also essentially identical.It is each dynamically to control by average sewage rate of influx
The water pump quantity that stage is started, rather than fixed value can effectively control the water level in well, it is ensured that entire processing system
Stablize, and then also makes subsequent each item processing linear load balanced.
In step S004, the preferred value E calculation method of each water pump are as follows:
E1For the preferred value of this water pump last time, L is drop power ratio, and 0≤L≤1, T are a upper working hour duration, R
For weighted value.
Drop power ratio L and weighted value R are empirical parameter, are set by staff according to historical experience.Pass through preferred value
The job order of each water pump can be dynamically adjusted, to make each water pump Cost Allocation working time, reduce repair rate and failure
Rate.The initial value of preferred value is all 0, and when the preferred value of two water pumps is identical, first smaller water pump is numbered in starting.
The duration T of the working hour is obtained by following manner:
T0For standard working hour duration, Q0For normal flow.
The duration of working hour is adjusted according to flow, and when flow is larger, the duration of working hour shortens, and is improved and is adjusted
Whole rate；When flow is smaller, the duration of working hour extends, to improve the stability of bilge well inner storing water amount.
When sewage reserves V is greater than warning reserves V0When, start all pump workings, until sewage reserves V is less than safety storage
Measure V1。
Safety reserves are less than warning reserves, generally guard against 90% or so of reserves.Above-mentioned steps can prevent sewage from storing up
It measures excessive and overflows.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although the terms such as bilge well, rate of influx, water pump are used more herein, it is not precluded and uses other terms
A possibility that.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as appointing
The additional limitation of what one kind is disagreed with spirit of that invention.
Claims (3)
1. a kind of sewage treatment plant's bilge well water discharge control method, which comprises the following steps:
S001, controller obtain sewage rate of influx by flowmeter, and controller obtains the sewage in bilge well by water-level gauge
Reserves；
S002, controller are according to the average sewage rate of influx Q in a upper working hour1Determining needs water pump quantity to be started
M:
If current sewage reserves are greater than or equal to standard reserves, M isIf current sewage reserves are less than standard reserves
When, then M isK is the drainage rates of each water pump；For upper rounding symbol, For lower rounding symbol；
S003, controller start the smallest M water pump of preferred value；
S004, after one working hour of pump working, the preferred value of each water pump is recalculated, step S002 is then branched to；
In the step S004, the preferred value E calculation method of each water pump are as follows:
ELFor the preferred value of this water pump last time, L is drop power ratio, and 0≤L≤1, T are a upper working hour duration, and R is weight
Value.
2. a kind of sewage treatment plant's bilge well water discharge control method according to claim 1, which is characterized in that the work
The duration T of period is obtained by following manner:
T0For standard working hour duration, Q0For normal flow.
3. a kind of sewage treatment plant's bilge well water discharge control method according to claim 1 or 2, which is characterized in that work as dirt
Water reserve V is greater than warning reserves V0When, start all pump workings, until sewage reserves V is less than safety reserves V1。
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| CN201711103928.2A CN107905345B (en) | 2017-11-10 | 2017-11-10 | A kind of sewage treatment plant's bilge well water discharge control method |
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| CN107905345A CN107905345A (en) | 2018-04-13 |
| CN107905345B true CN107905345B (en) | 2019-11-12 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06193584A (en) * | 1992-12-25 | 1994-07-12 | Hitachi Ltd | Operation method for drainage pump |
| JPH10339273A (en) * | 1997-06-06 | 1998-12-22 | Kubota Corp | Operation control method of water discharge pump |
| JP4094361B2 (en) * | 2002-07-15 | 2008-06-04 | 新明和工業株式会社 | Drain pump control device and method, and drainage system |
| 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 |
| KR101170425B1 (en) * | 2012-04-30 | 2012-08-07 | (주)제우스이엔지 | Energy saving booster pump method |
| CN106597879A (en) * | 2016-11-03 | 2017-04-26 | 中冶华天工程技术有限公司 | Sewage treatment elevator pump optimized scheduling method |
| CN106762583A (en) * | 2016-12-14 | 2017-05-31 | 四川德胜集团钒钛有限公司 | One kind lifting method for controlling pump |
| CN106759834A (en) * | 2016-12-13 | 2017-05-31 | 清华大学 | A kind of sewage pumping station dynamic control method and system |
-
2017
- 2017-11-10 CN CN201711103928.2A patent/CN107905345B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06193584A (en) * | 1992-12-25 | 1994-07-12 | Hitachi Ltd | Operation method for drainage pump |
| JPH10339273A (en) * | 1997-06-06 | 1998-12-22 | Kubota Corp | Operation control method of water discharge pump |
| JP4094361B2 (en) * | 2002-07-15 | 2008-06-04 | 新明和工業株式会社 | Drain pump control device and method, and drainage system |
| 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 |
| KR101170425B1 (en) * | 2012-04-30 | 2012-08-07 | (주)제우스이엔지 | Energy saving booster pump method |
| CN106597879A (en) * | 2016-11-03 | 2017-04-26 | 中冶华天工程技术有限公司 | Sewage treatment elevator pump optimized scheduling method |
| CN106759834A (en) * | 2016-12-13 | 2017-05-31 | 清华大学 | A kind of sewage pumping station dynamic control method and system |
| CN106762583A (en) * | 2016-12-14 | 2017-05-31 | 四川德胜集团钒钛有限公司 | One kind lifting method for controlling pump |
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| CN107905345A (en) | 2018-04-13 |
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