CN113589854B - Sewage station regulating tank sewage quantitative discharge control method and system - Google Patents
Sewage station regulating tank sewage quantitative discharge control method and system Download PDFInfo
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- CN113589854B CN113589854B CN202110912997.8A CN202110912997A CN113589854B CN 113589854 B CN113589854 B CN 113589854B CN 202110912997 A CN202110912997 A CN 202110912997A CN 113589854 B CN113589854 B CN 113589854B
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- 239000010865 sewage Substances 0.000 title claims abstract description 176
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 101
- 238000003860 storage Methods 0.000 claims description 48
- 230000002902 bimodal effect Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000004590 computer program Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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Abstract
The disclosure provides a sewage station regulating tank sewage quantitative discharge control method and system, and parameter data of the regulating tank are obtained; obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model; selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump; under the premise of guaranteeing no overflow of sewage in the regulating tank, the sewage in the regulating tank is drained to the biochemical tank of the sewage station at a constant speed, and the constant-speed operation of the sewage station is guaranteed.
Description
Technical Field
The disclosure relates to the technical field of sewage treatment, in particular to a sewage station equalizing basin sewage quantitative discharge control method and system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The sewage station is an important component of a sewage system and is characterized by continuous water flow, smaller water flow, large variation range and high pollutant content in water. Therefore, the regulating tank needs to have enough regulating capacity when in design, and the standby pump is considered, and in addition, the pollution to the environment is reduced as much as possible when in design, and better management and maintenance conditions are provided in the station.
The inventor finds that when the existing sewage station is used for draining the regulating tank, the real-time water level of the regulating tank is simply relied on, the control fusion of the sewage draining rule and the pump drainage amount is lacked, the efficient energy-saving work of the drainage pump cannot be realized, and the stable draining of the water in the regulating tank cannot be realized.
Disclosure of Invention
In order to solve the defects in the prior art, the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control method and system, which ensure that sewage in the equalizing basin is discharged to a sewage station biochemical basin at a constant speed on the premise of ensuring that sewage in the equalizing basin does not overflow, thereby ensuring the constant-speed operation of a sewage station.
In order to achieve the above purpose, the present disclosure adopts the following technical scheme:
the first aspect of the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control method.
A sewage station regulating reservoir sewage quantitative discharge control method comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
the lower limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the end time point from the peak to the peak, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume.
Further, three adjacent points t in the control period are sequentially taken a 、t b 、t c The corresponding real-time inflow of sewage is Q In a ，Q In b ，Q In c ；
When Q is In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a Is the starting point in time of the peak;
when Q is In c ＝Q Out of ＜Q In b ＜Q In a At the time, determine t c Is the end time point of the peak;
the sewage discharge control range of the output quantity of the pump is as follows: (S) In c +V 0 -V max )/T＜Q Out of ＜(S General entry +V 0 )/T；
Wherein V is 0 To set water level and water storage volume, V max To adjust the pool volume, S In c To be cut off to t c Total inflow amount S General entry The total inflow for the entire control period, T is the control period.
Further, the maximum output of the pump in the sewage discharge control range is taken as the final output control result.
A second aspect of the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control system.
A sewage station equalizing basin sewage quantitative discharge control system, comprising:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
the lower limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the end time point from the peak to the peak, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume.
A third aspect of the present disclosure provides a method for controlling quantitative discharge of sewage from a regulating tank of a sewage station.
A sewage station regulating reservoir sewage quantitative discharge control method comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
wherein, the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage;
the lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
the determination of the pump output ranges for each stage is performed sequentially until the end time point of the last control period is reached.
Further, when the multimodal model is bimodal, three adjacent points t in the control period are sequentially taken a 、t b 、t c The corresponding real-time inflow of sewage is Q In a ，Q In b ，Q In c ；
When Q is In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a The second starting time point is set as t for the starting time point of the peak d ；
When Q is In c ＝Q Out of ＜Q In b ＜Q In a At the time, determine t c The second end time point is set as t f ；
The sewage discharge control range of the pump output amount in the first stage is as follows: (S) In c +V 0 -V max )/t c ＜Q Go out C ＜(S In d +V 0 )/t d ；
The sewage discharge control range of the pump output amount in the second stage is as follows: (S) In c-f +V 0 -V max )/t c-f ＜Q Go out f ＜(S C-T powder +V 0 )/t c-T powder 。
Further, the maximum output of the pump in the sewage discharge control range of each stage is taken as the final output control result of each stage.
A fourth aspect of the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control system.
A sewage station equalizing basin sewage quantitative discharge control system, comprising:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
wherein, the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage;
the lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
the determination of the pump output ranges for each stage is performed sequentially until the end time point of the last control period is reached.
A fifth aspect of the present disclosure provides a computer-readable storage medium having stored thereon a program which, when executed by a processor, implements the steps in the sewage station adjustment tank sewage quantitative discharge control method according to the first or third aspect of the present disclosure.
A sixth aspect of the present disclosure provides an electronic device comprising a memory, a processor and a program stored on the memory and executable on the processor, the processor implementing the steps in the sewage station equalizing basin sewage quantitative discharge control method according to the first or third aspect of the present disclosure when the program is executed.
Compared with the prior art, the beneficial effects of the present disclosure are:
1. according to the method, the system, the medium or the electronic equipment, on the premise that no overflow of sewage in the regulating tank is guaranteed, the sewage in the regulating tank is drained to the biochemical tank of the sewage station at a constant speed, and the constant-speed operation of the sewage station is guaranteed.
2. The method, the system, the medium or the electronic equipment disclosed by the disclosure realize the sewage discharge control under the single-peak model, and obtain the control range of the pump output according to the starting point of the single peak, so that the stable water discharge under the single peak can be ensured.
3. The method, the system, the medium or the electronic equipment disclosed by the disclosure realize sewage discharge control under the multimodal model, and obtain the control range of the pump output of the control stage of each peak pair according to the starting point of each peak, so that stable water discharge under the multimodal can be ensured.
Additional aspects of the disclosure will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the disclosure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate and explain the exemplary embodiments of the disclosure and together with the description serve to explain the disclosure, and do not constitute an undue limitation on the disclosure.
Fig. 1 is a single peak schematic diagram provided in example 1 of the present disclosure.
Fig. 2 is a bimodal schematic provided in example 2 of the present disclosure.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
Example 1:
the embodiment 1 of the disclosure provides a sewage station equalizing basin sewage quantitative discharge control method, which comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
and selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump.
The lower limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the end time point from the peak to the peak, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume.
Specifically, 7×24 hours data was analyzed by scrolling, and the pump output flow was set using a step curve.
The specific parameters are described as follows:
| liquid level meter | Water flowmeter | Sewage lifting pump |
| Regulating the volume V of the pool max | Real-time water flow Q Into (I) | Pump output Q Out of |
| Setting water level and water storage volume V 0 | Total amount S of influent sewage Into (I) | Total amount S of pump output sewage Out of |
| Real-time water storage volume V X |
S1: calculating a real-time water storage volume according to the data of the liquid level meter and the known area of the regulating tank;
S2：V 0 setting values for manually referencing the values of each stage;
s3: the water flowmeter can provide real-time water flow and total water flow;
s4: and calculating the current water output according to the sewage output corresponding to the current power and the maximum output power of the pump (the lift of the water pump is fixed, and the water outlet end is positioned at the upper part of the water pool).
The data are collected every half hour, stored in a database, a 7×24 hour graph is established, an average graph is obtained through rolling analysis, and a model is established.
Assuming that only one early peak exists in the sewage discharge peak period, the horizontal axis of the coordinate axis is time, and the 0 early morning point is used as a starting point, and the graph is shown in figure 1.
Logic determination:
(1) Service logic rolling analysis curve data, and sequentially taking points t on time axis a 、t b 、t c (3 points in the database are adjacently connected), and the corresponding sewage real-time water flow is Q In a ，Q In b ，Q In c ，
(1-1) if and only if Q In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a Is the starting point in time of the peak.
(1-2) if and only if Q In c ＝Q Out of ＜Q In b ＜Q In a At the time, determine t c Is the end point in time of the peak.
(2) If the highest water level of the regulating tank needs to be controlled so as not to overflow, S In c -S Go out c ＜V max -V 0 . At the same time, V is obtained 0 ＜V max +S Go out C -S In C Further narrowing the limit available V 0 ＜V max -S In C 。
(3) If the regulating tank needs to be controlled to keep the minimum water level, S Total out ＜S General entry +V 0 。
The final drainage control range is:
(S in c +V 0 -V max )/24＜Q Out of ＜(S General entry +V 0 )/24
Wherein V is 0 By manual setting, V is known to max ，S In c 、S General entry Is provided by the flowmeter and stored in the database.
Service logic decision Q Out of The value of (2) must be the output of the pump at a certain point in time in the database meeting the above conditions, and a maximum value is selected therefrom and set to Q Out of The method comprises the steps of carrying out a first treatment on the surface of the Manually set V 0 Is the maximum value meeting the condition.
Example 2:
embodiment 2 of the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control system, including:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: and selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump.
The lower limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the end time point from the peak to the peak, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume.
The working method of the system is the same as that provided in embodiment 1, and will not be described here again.
Example 3:
a sewage station regulating reservoir sewage quantitative discharge control method comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
and selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump.
Wherein the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage
The lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
the determination of the pump output ranges for each stage is performed sequentially until the end time point of the last control period is reached.
Specifically, assuming that the sewage discharge peak period only has two peaks in the morning and evening, the horizontal axis of the coordinate axis is time, and the 0 am point is used as the starting point, the graph is shown in fig. 2.
Logic determination:
(1) Service logic rolling analysis curve data, and sequentially taking points t on time axis a 、t b 、t c The corresponding sewage real-time inflow quantity is Q In a ，Q In b ，Q In c ，
(1-1) if and only if Q In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a Is the starting point in time of the peak. At this time, two t's will appear a The latter is designated as t if we mark the late peak time points as d, e, f d 。
(1-2) if and only if Q In c ＝Q Go out ＜Q In b ＜Q In a At the time, determine t c Is the end point in time of the peak. Two t's can also occur c The latter is designated as t f 。
(2) The highest water level of the regulating tank needs to be controlled so as not to overflow, and then:
S 0-c -S Go out 0-c ＜V max -V 0 And S is In c-f -S Go out c-f ＜V max -V 0 And S is In 0-f -S Go out 0-f ＜V max -V 0
(3) If the regulating tank needs to be controlled to keep the minimum water level, S Go out 0-d ＜S In 0-d +V 0 And S is Total out ＜S General entry +V 0 The logic is difficult to analyze continuously and calculate Q in compromise Out of Is a value of (2). We take Q in this model Out of For the method of step setting, the split bimodal model is 2 unimodal models. We take values with the relevant values of the time points, e.g. Q Go out c And Q Go out f With reference to the scrolling analysis, the following is followed:
(3-1) first stage:
(S in c +V 0 -V max )/t c ＜Q Go out C ＜(S In d +V 0 )/t d
S In d The sewage inflow is counted for the flowmeter at the time point d. At the same time V 0 ＜V max -S In d
(3-2) a second stage:
(S in c-f +V 0 -V max )/t c-f ＜Q Go out f ＜(S In c-24 +V 0 )/t c-24
Wherein S is In c-f 、S C-24 of The difference between the sewage inflow amounts counted by the flowmeter at the time points f and 24 and the time point C is obtained.
At the same time V 0 ＜V max -S In c-24 。
Service logic decision Q Go out c 、Q Go out f The value of (2) must be the output of the pump at a certain point in time in the database meeting the above conditions, and a maximum value is selected therefrom and set to Q Go out C And Q Go out f The method comprises the steps of carrying out a first treatment on the surface of the Manually set V 0 Is the maximum value that meets all stage conditions.
Example 4:
embodiment 4 of the present disclosure provides a sewage station equalizing basin sewage quantitative discharge control system, comprising:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: and selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump.
Wherein the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage
The lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
the determination of the pump output ranges for each stage is performed sequentially until the end time point of the last control period is reached.
The working method of the system is the same as that provided in embodiment 3, and will not be described here again.
Example 5:
in the three-peak model, three time decision points per peak are grouped as follows: a. b, c, d, e, f, g, h, i … …
The conditional formula is as follows:
(S in c +V 0 -V max )/t c ＜Q Go out C ＜(S In d +V 0 )/t d
(S In c-f +V 0 -V max )/t c-f ＜Q Go out f ＜(S In c-g +V 0 )/t c-g
(S In f-i +V 0 -V max )/t c-f ＜Q Go out i ＜(S In g-24 +V 0 )/t g-24
At the same time V 0 Setting reference V 0 ＜V max -S In d And V is 0 ＜V max -S In c-g And V is 0 ＜V max -S In f-24
Service logic decision Q Go out c 、Q Go out f 、Q Go out g The value of (2) must be the output of the pump at a certain point in time in the database meeting the above conditions, and a maximum value is selected therefrom and set to Q Go out C And Q Go out f 、Q Go out g The method comprises the steps of carrying out a first treatment on the surface of the Manually set V 0 Is the maximum value that meets all stage conditions.
It will be apparent to those skilled in the art that embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random access Memory (Random AccessMemory, RAM), or the like.
The foregoing description of the preferred embodiments of the present disclosure is provided only and not intended to limit the disclosure so that various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (6)
1. A sewage station equalizing basin sewage quantitative discharge control method is characterized in that: the method comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
the sewage discharge control range lower limit of the pump output is obtained according to the total inflow amount of the end time point from the peak to the wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume;
sequentially taking three adjacent points t in a control period a 、t b 、t c The corresponding real-time inflow of sewage is Q In a ，Q In b ，Q In c ；
When Q is In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a Is the starting point in time of the peak;
when Q is In c ＝Q Out of ＜Q In b ＜Q In a At the time, determine t c Is the end time point of the peak;
the sewage discharge control range of the output quantity of the pump is as follows: (S) In c +V 0 -V max )/T＜Q Out of ＜(S General entry +V 0 )/T；
Wherein V is 0 To set water level and water storage volume, V max To adjust the pool volume, S In c To be cut off to t c Total inflow amount S General entry The total inflow for the entire control period;
and taking the maximum output quantity of the pump in the sewage discharge control range as a final output quantity control result.
2. A sewage station equalizing basin sewage ration discharge control system which characterized in that: the sewage station equalizing basin sewage quantitative discharge control method according to claim 1, wherein the sewage station equalizing basin sewage quantitative discharge control system comprises:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
the lower limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the end time point from the peak to the peak, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the whole control period and the set water level water storage volume.
3. A sewage station equalizing basin sewage quantitative discharge control method is characterized in that: the method comprises the following steps:
acquiring parameter data of an adjusting pool;
obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
wherein, the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage;
the lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
sequentially determining the pump output range of each stage until reaching the final control period end time point;
when the multimodal model is bimodal, three adjacent points t in the control period are taken in sequence a 、t b 、t c The corresponding real-time inflow of sewage is Q In a ，Q In b ，Q In c ；
When Q is In a ＝Q Out of ＜Q In b ＜Q In c At the time, determine t a The second starting time point is set as t for the starting time point of the peak d ；
When Q is In c ＝Q Out of ＜Q In b ＜Q In a At the time, determine t c The second end time point is set as t f ；
The sewage discharge control range of the pump output amount in the first stage is as follows: (S) In c +V 0 -V max )/t c ＜Q Go out C ＜(S In d +V 0 )/t d ；
The sewage discharge control range of the pump output amount in the second stage is as follows: (S) In c-f +V 0 -V max )/t c-f ＜Q Go out f ＜(S C-T powder +V 0 )/t c-T powder ；
And taking the maximum output of the pump in the sewage discharge control range of each stage as the final output control result of each stage.
4. A sewage station equalizing basin sewage ration discharge control system which characterized in that: a sewage station equalizing basin sewage quantitative discharge control method according to claim 3, said sewage station equalizing basin sewage quantitative discharge control system comprising:
a data acquisition module configured to: acquiring parameter data of an adjusting pool;
a control range acquisition module configured to: obtaining a sewage discharge control range of the pump output according to the acquired parameter data and a preset pollution discharge control model;
a discharge control module configured to: selecting a preset value according to the obtained sewage discharge control range to control the output quantity of the sewage discharge pump;
wherein, the preset pollution discharge control model is a multimodal model, and each peak corresponds to one control stage;
the lower limit of the sewage discharge control range of the pump output in the first stage is obtained according to the total inflow amount of the end time point cut-off to the first wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output is obtained according to the total inflow amount of the initial time point cut-off to the second wave crest and the set water level water storage volume;
the lower limit of the sewage discharge control range of the pump output quantity in the second stage is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the second wave crest, the set water level water storage volume and the regulating tank volume, and the upper limit of the sewage discharge control range of the pump output quantity is obtained according to the total inflow quantity from the end time point of the first wave crest to the initial time point of the third wave crest and the set water level water storage volume;
the determination of the pump output ranges for each stage is performed sequentially until the end time point of the last control period is reached.
5. A computer-readable storage medium having a program stored thereon, which when executed by a processor, implements the steps in the sewage station adjustment tank sewage quantitative discharge control method according to any one of claims 1 or 3.
6. An electronic device comprising a memory, a processor, and a program stored on the memory and executable on the processor, wherein the processor performs the steps in the sewage station equalizing basin sewage quantitative discharge control method according to any one of claims 1 or 3 when executing the program.
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