CN117964148A - Sewage treatment system based on ecological symbiotic cultivation - Google Patents
Sewage treatment system based on ecological symbiotic cultivation Download PDFInfo
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- 239000010865 sewage Substances 0.000 title claims abstract description 325
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 239000003440 toxic substance Substances 0.000 claims description 33
- 231100000614 poison Toxicity 0.000 claims description 24
- 238000009395 breeding Methods 0.000 claims description 23
- 230000001488 breeding effect Effects 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 23
- 239000005416 organic matter Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 231100000167 toxic agent Toxicity 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 8
- 238000012851 eutrophication Methods 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 230000020477 pH reduction Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 231100000419 toxicity Toxicity 0.000 claims description 6
- 230000001988 toxicity Effects 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000011895 specific detection Methods 0.000 claims description 4
- 208000034699 Vitreous floaters Diseases 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 241000894007 species Species 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000033558 biomineral tissue development Effects 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
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Abstract
The invention belongs to the technical field of sewage treatment, and provides a sewage treatment system based on ecological symbiotic cultivation, which comprises: the method comprises the steps of monitoring each culture pond in real time, discharging sewage in the culture pond meeting the discharge standard, obtaining initial water quality parameters of the sewage in the culture pond to be continuously detected, detecting the water quality of the sewage in the culture pond to be continuously detected again according to the initial water quality parameters, obtaining culture information of all normal culture ponds, selecting a reference culture pond according to the culture information of the normal culture ponds, regulating and controlling the biological types and the biological numbers in all the culture ponds in the subsequent ecological culture according to the recorded biological types and the recorded biological numbers in the reference culture ponds, and optimizing the sewage transportation in the culture ponds in the subsequent ecological culture according to the initial water quality parameters of the sewage recorded in the reference culture ponds.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment system based on ecological symbiotic cultivation.
Background
The traditional sewage treatment method generally adopts a physical or chemical method, and can effectively remove harmful substances in sewage, but secondary pollution can be generated in the treatment process, and the treatment cost is high. In recent years, along with the development of ecology and environmental science, people begin to explore a sewage treatment method based on ecological symbiosis so as to realize environment-friendly and resource-saving sewage treatment.
One chinese patent application with publication number CN113371951a discloses an in-situ ecological purification system for a pond culture water body based on a coupling mode of aquatic plants and microorganisms, comprising: the tail water inlet and the water outlet, the water outlet can be connected with a ditch or a river, wherein the device further comprises: the precipitation mineralization area is connected with the tail water inlet, the powerful decontamination area is connected with the precipitation mineralization area, the water quality adjusting area is connected with the water outlet, and the deep purification area is connected with the water quality adjusting area; the ecological breeding area is positioned between the powerful decontamination area and the deep purification area, so that the effects of the cultivation water body treatment and ecological purification are improved.
In the prior art, sewage treatment is realized through ecological breeding, but treatment in the aspect of preventing water eutrophication is basically realized through modes of adjusting the types and the numbers of microorganisms or bacterial communities, and the like, the realization method is complex, the application cost is high, and the realization method has high difficulty when aiming at large-area ecological breeding or multi-area ecological breeding.
For this reason, the invention provides a sewage treatment system based on ecological symbiotic cultivation.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: a sewage treatment system based on ecological symbiotic cultivation, comprising:
The treatment monitoring module is used for monitoring each culture pond in real time and discharging sewage in the culture pond meeting the discharge standard;
the method comprises the steps of collecting water quality information of sewage in a culture pond, calculating water quality parameters of the sewage in the culture pond based on the water quality information, comparing the water quality parameters of the sewage in the culture pond with water quality parameter thresholds of the sewage in the culture pond, and if the water quality parameters of the sewage in the culture pond are larger than the water quality parameter thresholds of the sewage in the culture pond, indicating that the sewage in the culture pond does not meet the emission standard, marking the culture pond as the culture pond to be continuously detected;
If the water quality parameter of the sewage in the culture pond is smaller than or equal to the water quality parameter threshold of the sewage in the culture pond, the sewage in the culture pond is proved to be in accordance with the discharge standard, the sewage in the culture pond is discharged, and the discharge time is recorded;
The analysis module is used for obtaining initial water quality parameters of the sewage in the culture pond to be continuously detected, detecting the water quality of the sewage in the culture pond to be continuously detected again according to the initial water quality parameters of the sewage in the culture pond to be continuously detected, and dividing the culture pond to be continuously detected into a normal culture pond and an abnormal culture pond according to detection results;
The reference selection module is used for acquiring the cultivation information of all the normal cultivation ponds, selecting the reference cultivation pond according to the cultivation information of the normal cultivation pond, and recording the biological species and the quantity in the reference cultivation pond;
the regulation and control module is used for regulating and controlling the biological species and the quantity in all the culture ponds in the subsequent ecological culture according to the recorded biological species and the quantity in the reference culture pond;
And the sewage conveying optimization module is used for optimizing the sewage conveying in the cultivation pond in the ecological cultivation according to the initial water quality parameters of the sewage recorded by the reference cultivation pond.
The invention further adopts the technical scheme that: the sewage treatment system further comprises:
the sewage collection module is used for collecting sewage and removing larger floaters from the collected sewage through the grid well;
the concentration adjusting module is used for uniformly mixing the sewage with different concentrations and collected differently;
The hydrolysis acidification module is used for converting organic macromolecules in the uniformly mixed sewage into organic micromolecules with solubility through a hydrolysis acidification method;
The quality detection module is used for detecting the water quality of the uniformly mixed sewage and generating signals according to the detection result, wherein the signals comprise processing signals and normal signals;
The conveying module is used for conveying the detected sewage to different modules according to the specific signal types;
the sewage treatment module is used for removing toxic substances from the detected sewage through a chemical combination reaction and conveying the treated sewage to the ecological breeding module;
the ecological breeding module is used for discharging sewage into a plurality of breeding ponds, breeding aquatic organisms in the breeding ponds and removing organic matters in the sewage through the aquatic organisms;
The purification module is used for filtering impurities in the discharged sewage.
The invention further adopts the technical scheme that: the water quality information of the sewage comprises organic matter content data and organic matter type data, wherein the organic matter content data is expressed as the ratio of the content of organic matters in the sewage of the culture pond to the total content of all components in the sewage, and the organic matter type data is expressed as the ratio of the type number of organic matters in the sewage of the culture pond to the type number of all components in the sewage.
The invention further adopts the technical scheme that: based on the water quality information, calculating the water quality parameters of the sewage in the culture pond, wherein the specific calculation process is as follows:
Obtaining the ratio of the content of organic matters in the sewage of the culture pond to the total content of all the components in the sewage, and marking the ratio of the content of the organic matters in the sewage of the culture pond to the total content of all the components in the sewage as Ai;
obtaining the ratio of the types of organic matters in the sewage of the cultivation pond to the types of all components in the sewage, and marking the ratio of the types of organic matters in the sewage of the cultivation pond to the types of all components in the sewage as Bi;
By the formula: Obtaining a water quality parameter Fi of sewage in the culture pond, wherein e β is an exponential function of a base number e, alpha and beta are preset proportional coefficients, the value of alpha is 0.25869, and the value of beta is 0.49712.
The invention further adopts the technical scheme that: the initial water quality parameters of the sewage in the culture pond to be continuously detected are obtained through calculation of water quality information of the culture pond detected by the electrochemical equipment when the ecological culture is not carried out in the culture pond;
Comparing the initial water quality parameter of the sewage in the culture pond to be continuously detected with the water quality parameter in the culture pond to be continuously detected, wherein the specific comparison process is as follows: if the water quality parameter of the sewage in the culture pond to be continuously detected is more than or equal to the initial water quality parameter of the sewage in the culture pond to be continuously detected, the condition that the sewage in the culture pond to be continuously detected contains more organic matters, so that water quality eutrophication is caused, aquatic organisms in the culture pond cannot be removed, and the culture pond to be continuously detected is marked as an abnormal culture pond;
if the water quality parameter of the sewage in the culture pond to be continuously detected is less than the initial water quality parameter of the sewage in the culture pond to be continuously detected, the organic matter content in the sewage in the culture pond to be continuously detected meets the standard, but does not reach the emission standard, the culture is continuously carried out, the culture pond to be continuously detected is marked as a normal culture pond, and after the emission standard is reached, the emission time of the culture pond to be continuously detected is recorded.
The invention further adopts the technical scheme that: obtaining the cultivation information of the normal cultivation pool, and selecting a reference cultivation pool according to the cultivation information of the normal cultivation pool, wherein the cultivation information of the normal cultivation pool comprises emission time data and water quality conversion data of the normal cultivation pool, the emission time data is represented by the ratio of the emission time of the normal cultivation pool to the average emission time of all the normal cultivation pools, and the water quality conversion data is represented by the ratio of the converted water quality parameters of the normal cultivation pool to the average converted water quality parameters of all the normal cultivation pools;
The specific selection process is as follows:
D110, obtaining the ratio of the discharge time of the normal culture pond to the average discharge time of all the normal culture ponds, and marking the ratio as s i;
d120, obtaining the ratio of the converted water quality parameter of the normal culture pond to the average converted water quality parameter of all the normal culture ponds, and marking the ratio as x i;
D130, by the formula: acquiring a selection parameter j i of a normal culture pond, wherein θ is a preset proportionality coefficient;
And D140, selecting the normal culture pond with the largest selection parameter among all the normal culture ponds, marking the normal culture pond as a reference culture pond, and recording the biological type, the quantity and the initial water quality parameters of the reference culture pond.
The invention further adopts the technical scheme that: optimizing the sewage transportation in the culture pond in the subsequent ecological culture according to the initial water quality parameters of the sewage recorded by the reference culture pond, wherein the specific process is as follows:
And sending the recorded initial water quality parameters of the sewage in the reference culture pond to electrochemical monitoring equipment in each culture pond, and when the sewage is conveyed to the culture pond in the subsequent ecological culture, if the electrochemical monitoring equipment monitors that the water quality parameters in the culture pond are the same as the initial water quality parameters of the sewage in the reference culture pond, generating a stop signal, sending the stop signal to a conveying module, and after the conveying module receives the stop signal, stopping conveying the sewage to the culture pond corresponding to the electrochemical monitoring equipment.
The invention further adopts the technical scheme that: carrying out water quality detection on the uniformly mixed sewage, generating signals according to detection results, wherein the signals comprise processing signals and normal signals, and the specific detection process is as follows:
detecting the quality information of the sewage, calculating the quality parameter H i of the sewage based on the quality information of the sewage, and comparing the quality parameter H i of the sewage with a quality parameter threshold of the sewage, wherein the specific comparison process is as follows:
If the quality parameter H i of the sewage is more than or equal to the quality parameter threshold of the sewage, the toxicity of the whole water quality of the sewage is larger, and the sewage does not meet the standard, and a treatment signal is generated;
If the quality parameter H i of the sewage is smaller than the quality parameter threshold of the sewage, the toxicity of the whole water quality of the sewage is lower, and the sewage meets the standard, and a normal signal is generated.
The invention further adopts the technical scheme that: the calculation process of the quality parameters H i of the sewage is as follows:
The quality information of the sewage comprises toxic substance content data and toxic substance type data in the sewage, wherein the toxic substance content data is expressed as the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and the type data of the toxic substances is expressed as the ratio of the type number of the toxic substances in the sewage to the type number of all substances in the sewage, and the specific calculation process is as follows:
s1, obtaining the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and marking the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage as Wi;
s2, obtaining the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage, and marking the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage as Yi;
S3, through the formula: Quality parameters H i of the sewage are obtained, wherein log 3 (wi+Yi) is a logarithmic function of a base number 3, and s 1 and s 2 are preset proportionality coefficients.
The invention further adopts the technical scheme that: the conveying module is used for conveying the detected sewage to different modules according to the specific signal types, and specifically comprises the following steps: and if the normal signal is generated, conveying the detected sewage to the ecological breeding module, and if the abnormal signal is generated, conveying the detected sewage to the sewage treatment module.
The beneficial effects of the invention are as follows:
1. According to the sewage treatment system based on ecological symbiotic cultivation, the cultivation information of all normal cultivation ponds is obtained through the reference selection module, the selection parameters of the normal cultivation ponds are calculated based on the cultivation information of the normal cultivation ponds, the selection parameters of all the normal cultivation ponds are compared with the preset threshold, the normal cultivation pond with the largest selection parameters of the normal cultivation ponds in all the normal cultivation ponds is selected and marked as the reference cultivation pond, the biological type, the quantity and the initial water quality parameters of the reference cultivation ponds are recorded, then the recorded initial water quality parameters of sewage in the reference cultivation ponds are sent to electrochemical monitoring equipment in each cultivation pond, when the sewage is conveyed in the subsequent ecological cultivation, if the electrochemical monitoring equipment monitors that the water quality parameters of the cultivation ponds are identical with the initial water quality parameters of the sewage in the reference cultivation ponds, a stop signal is generated, and the stop signal is sent to the conveying module, after the stop signal is received, the sewage in the cultivation ponds corresponding to the electrochemical monitoring equipment is stopped from conveying the sewage in the reference cultivation ponds, the method is realized by monitoring the water quality parameters in the cultivation ponds in real time, and the sewage quality parameters are compared with the recorded water quality parameters in the reference cultivation ponds, and the sewage quality parameters are conveyed in the reference cultivation, the eutrophication is greatly reduced, and the eutrophication cost is prevented.
2. According to the sewage treatment system based on ecological symbiotic cultivation, the biological types and the quantity in all the cultivation ponds are regulated and controlled in the subsequent ecological cultivation according to the recorded biological types and the recorded quantity in the reference cultivation pond, and the sewage conveying optimization module is used for optimizing the sewage conveying in the cultivation pond in the subsequent ecological cultivation according to the initial water quality parameters of the sewage recorded in the reference cultivation pond, so that the sewage in the cultivation pond is basically ensured to be identical in discharge time when reaching the discharge standard in the subsequent ecological cultivation, and the management convenience of the ecological cultivation sewage treatment is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a diagram of a monitoring step of a process monitoring module according to the present invention;
FIG. 3 is an analysis flow chart of an analysis module of the present invention.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, the sewage treatment system based on ecological symbiotic cultivation according to the embodiment of the invention includes: the device comprises a sewage collection module, a concentration adjustment module, a hydrolysis acidification module, a quality detection module, a conveying module, a sewage treatment module, an ecological breeding module, a treatment monitoring module, an analysis module, a reference selection module, a regulation and control module, a sewage conveying optimization module and a purification module;
the sewage collection module is used for collecting sewage and removing larger floaters from the collected sewage through the grid well;
the concentration adjusting module is used for uniformly mixing the sewage with different concentrations and collected differently;
The hydrolysis acidification module is used for converting organic macromolecules in the uniformly mixed sewage into organic micromolecules with solubility;
The quality detection module is used for detecting the water quality of the uniformly mixed sewage and generating signals according to the detection result, wherein the signals comprise processing signals and normal signals;
Detecting quality information of the sewage, wherein the quality information of the sewage comprises toxic substance content data and toxic substance type data in the sewage, the toxic substance content data is expressed as a ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and the type data of the toxic substances is expressed as a ratio of the type quantity of the toxic substances in the sewage to the type quantity of all substances in the sewage;
the specific detection process is as follows:
s1, obtaining the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and marking the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage as Wi;
s2, obtaining the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage, and marking the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage as Yi;
S3, through the formula: Obtaining a quality parameter H i of sewage, wherein log 3 (wi+ Y i) is a logarithmic function of a base number 3, and s 1 and s 2 are preset proportionality coefficients;
The quality parameter H i of the sewage is compared with the quality parameter threshold of the sewage, and the specific comparison process is as follows:
If the quality parameter H i of the sewage is more than or equal to the quality parameter threshold of the sewage, the toxicity of the whole water quality of the sewage is larger, and the sewage does not meet the standard, and a treatment signal is generated;
If the quality parameter H i of the sewage is smaller than the quality parameter threshold of the sewage, the toxicity of the whole water quality of the sewage is lower, and the sewage meets the standard, and a normal signal is generated;
The conveying module is used for conveying the detected sewage to different modules according to the specific signal types;
Specifically, if a normal signal is generated, the detected sewage is conveyed to the ecological breeding module, and if an abnormal signal is generated, the detected sewage is conveyed to the sewage treatment module;
the sewage treatment module is used for removing toxic substances from the detected sewage through a chemical combination reaction and conveying the treated sewage to the ecological breeding module;
the ecological breeding module is used for discharging sewage into a plurality of breeding ponds, breeding aquatic organisms in the breeding ponds and removing organic matters in the sewage through the aquatic organisms;
The processing monitoring module is used for monitoring each culture pond in real time and discharging sewage in the culture pond meeting the discharge standard;
The specific monitoring steps are as follows:
s1, an electrochemical monitoring device is arranged in each culture pond and used for collecting water quality information of sewage in each culture pond, the water quality information of the sewage comprises organic matter content data and organic matter type data, the organic matter content data are expressed as the ratio of the content of organic matters in the sewage of the culture pond to the total content of all components in the sewage, and the type data of the organic matters are expressed as the ratio of the types of the organic matters in the sewage of the culture pond to the types of all components in the sewage;
s2, obtaining the ratio of the content of organic matters in the sewage of the culture pond to the total content of all the components in the sewage, and marking the ratio of the content of the organic matters in the sewage of the culture pond to the total content of all the components in the sewage as Ai;
S3, obtaining the ratio of the types of organic matters in the sewage of the culture pond to the types of all components in the sewage, and marking the ratio of the types of organic matters in the sewage of the culture pond to the types of all components in the sewage as B i;
s4, through the formula: Obtaining a water quality parameter F i of sewage in a culture pond, wherein e β is an exponential function of a base number e, alpha and beta are preset proportional coefficients, the value of alpha is 0.25869, and the value of beta is 0.49712;
comparing the water quality parameter Fi of the sewage in the culture pond with a water quality parameter threshold value of the sewage in the culture pond, and judging whether the sewage in the culture pond meets the emission standard or not, wherein the specific judging process is as follows:
If the water quality parameter Fi of the sewage in the culture pond is larger than the water quality parameter threshold of the sewage in the culture pond, the sewage in the culture pond is not in accordance with the emission standard, and the culture pond is marked as the culture pond to be continuously detected;
If the water quality parameter Fi of the sewage in the culture pond is less than or equal to the water quality parameter threshold of the sewage in the culture pond, the sewage in the culture pond is proved to be in accordance with the discharge standard, the sewage in the culture pond is discharged, and the discharge time is recorded;
The discharge time is the time from the start of cultivation in the cultivation pond to the start of discharge of sewage in the cultivation pond;
The analysis module is used for detecting the water quality of the sewage in the culture pond to be continuously detected again according to the initial water quality parameter of the sewage in the culture pond to be continuously detected, and the specific detection process is as follows:
a101, obtaining initial water quality parameters of sewage in the culture pond to be continuously detected;
it should be noted that, the initial water quality parameter to be continuously detected in the culture pond is obtained by calculating the water quality information of the culture pond detected by the electrochemical device when the ecological culture is not performed in the culture pond;
A102, acquiring water quality parameters of sewage in the culture pond to be continuously detected;
A103, comparing the initial water quality parameter of the sewage in the culture pond to be continuously detected with the water quality parameter in the culture pond to be continuously detected, wherein the specific comparison is as follows:
if the water quality parameter of the sewage in the culture pond to be continuously detected is more than or equal to the initial water quality parameter of the sewage in the culture pond to be continuously detected, the condition that the sewage in the culture pond to be continuously detected contains more organic matters, so that water quality eutrophication is caused, aquatic organisms in the culture pond cannot be removed, and the culture pond to be continuously detected is marked as an abnormal culture pond;
If the water quality parameter of the sewage in the culture pond to be continuously detected is less than the initial water quality parameter of the sewage in the culture pond to be continuously detected, the organic matter content in the sewage in the culture pond to be continuously detected is in accordance with the standard, but does not reach the emission standard, the culture is continuously carried out, the culture pond to be continuously detected is marked as a normal culture pond, and after the emission standard is reached, the emission time of the culture pond to be continuously detected is recorded;
the reference selection module is used for acquiring the cultivation information of all the normal cultivation pools and selecting the reference cultivation pools according to the cultivation information of the normal cultivation pools;
Specifically, the cultivation information of the normal cultivation pond comprises emission time data of the normal cultivation pond and water quality conversion data, wherein the emission time data is expressed as the ratio of the emission time of the normal cultivation pond to the average emission time of all the normal cultivation ponds, and the water quality conversion data is expressed as the ratio of the converted water quality parameter of the normal cultivation pond to the average converted water quality parameter of all the normal cultivation ponds;
The specific selection process is as follows:
D110, obtaining the ratio of the discharge time of the normal culture pond to the average discharge time of all the normal culture ponds, and marking the ratio as s i;
d120, obtaining the ratio of the converted water quality parameter of the normal culture pond to the average converted water quality parameter of all the normal culture ponds, and marking the ratio as x i;
D130, by the formula: acquiring a selection parameter j i of a normal culture pond, wherein θ is a preset proportionality coefficient;
d140, selecting a normal culture pond with the largest selection parameter of the normal culture ponds in all the normal culture ponds, marking the normal culture pond as a reference culture pond, and recording the biological type, the quantity and the initial water quality parameter of the reference culture pond;
it should be noted that, the ratio of average discharge time of all the normal culture tanks = sum of discharge time of all the normal culture tanks ≡number of all the normal culture tanks, +_converted water quality parameter = initial water quality parameter of sewage in the normal culture tanks-water quality parameter when sewage in the normal culture tanks meets discharge standard ≡water quality parameter of all the normal culture tanks average converted water quality parameter = sum of water quality parameter converted in all the normal culture tanks ≡number of all the normal culture tanks;
the regulation and control module is used for regulating and controlling the biological species and the quantity in all the culture ponds in the subsequent ecological culture according to the recorded biological species and quantity in the reference culture pond;
The sewage conveying optimization module is used for optimizing the sewage conveying in the cultivation pond in the subsequent ecological cultivation according to the initial water quality parameters of the sewage recorded by the reference cultivation pond, and the specific process is as follows:
When the recorded initial water quality parameters of the sewage in the reference culture ponds are transmitted to the electrochemical monitoring equipment in each culture pond, and the sewage is transmitted to the culture pond in the subsequent ecological culture, if the electrochemical monitoring equipment monitors that the water quality parameters in the culture pond are the same as the initial water quality parameters of the sewage in the reference culture pond, a stop signal is generated and transmitted to the transmission module, and after the transmission module receives the stop signal, the transmission of the sewage to the culture pond corresponding to the electrochemical monitoring equipment is stopped;
The purification module is used for filtering impurities in the discharged sewage.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Sewage treatment system based on ecological symbiotic cultivation, its characterized in that: comprising the following steps:
The treatment monitoring module is used for monitoring each culture pond in real time and discharging sewage in the culture pond meeting the discharge standard;
the method comprises the steps of collecting water quality information of sewage in a culture pond, calculating water quality parameters of the sewage in the culture pond based on the water quality information, comparing the water quality parameters of the sewage in the culture pond with water quality parameter thresholds of the sewage in the culture pond, and if the water quality parameters of the sewage in the culture pond are larger than the water quality parameter thresholds of the sewage in the culture pond, indicating that the sewage in the culture pond does not meet the emission standard, marking the culture pond as the culture pond to be continuously detected;
If the water quality parameter of the sewage in the culture pond is smaller than or equal to the water quality parameter threshold of the sewage in the culture pond, the sewage in the culture pond is proved to be in accordance with the discharge standard, the sewage in the culture pond is discharged, and the discharge time is recorded;
The analysis module is used for obtaining initial water quality parameters of the sewage in the culture pond to be continuously detected, detecting the water quality of the sewage in the culture pond to be continuously detected again according to the initial water quality parameters of the sewage in the culture pond to be continuously detected, and dividing the culture pond to be continuously detected into a normal culture pond and an abnormal culture pond according to detection results;
The reference selection module is used for acquiring the cultivation information of all the normal cultivation ponds, selecting the reference cultivation pond according to the cultivation information of the normal cultivation pond, and recording the biological species and the quantity in the reference cultivation pond;
the regulation and control module is used for regulating and controlling the biological species and the quantity in all the culture ponds in the subsequent ecological culture according to the recorded biological species and the quantity in the reference culture pond;
And the sewage conveying optimization module is used for optimizing the sewage conveying in the cultivation pond in the ecological cultivation according to the initial water quality parameters of the sewage recorded by the reference cultivation pond.
2. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 1 wherein: the sewage treatment system further comprises:
the sewage collection module is used for collecting sewage and removing larger floaters from the collected sewage through the grid well;
the concentration adjusting module is used for uniformly mixing the sewage with different concentrations and collected differently;
The hydrolysis acidification module is used for converting organic macromolecules in the uniformly mixed sewage into organic micromolecules with solubility through a hydrolysis acidification method;
The quality detection module is used for detecting the water quality of the uniformly mixed sewage and generating signals according to the detection result, wherein the signals comprise processing signals and normal signals;
The conveying module is used for conveying the detected sewage to different modules according to the specific signal types;
the sewage treatment module is used for removing toxic substances from the detected sewage through a chemical combination reaction and conveying the treated sewage to the ecological breeding module;
the ecological breeding module is used for discharging sewage into a plurality of breeding ponds, breeding aquatic organisms in the breeding ponds and removing organic matters in the sewage through the aquatic organisms;
The purification module is used for filtering impurities in the discharged sewage.
3. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 1 wherein: the water quality information of the sewage comprises organic matter content data and organic matter type data, wherein the organic matter content data is expressed as the ratio of the content of organic matters in the sewage of the culture pond to the total content of all components in the sewage, and the organic matter type data is expressed as the ratio of the type number of organic matters in the sewage of the culture pond to the type number of all components in the sewage.
4. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 3 wherein: based on the water quality information, calculating the water quality parameters of the sewage in the culture pond, wherein the specific calculation process is as follows:
Obtaining the ratio of the content of organic matters in the sewage of the culture pond to the total content of all the components in the sewage, and marking the ratio of the content of the organic matters in the sewage of the culture pond to the total content of all the components in the sewage as Ai;
obtaining the ratio of the types of organic matters in the sewage of the cultivation pond to the types of all components in the sewage, and marking the ratio of the types of organic matters in the sewage of the cultivation pond to the types of all components in the sewage as Bi;
By the formula: Obtaining a water quality parameter Fi of sewage in the culture pond, wherein e β is an exponential function of a base number e, alpha and beta are preset proportional coefficients, the value of alpha is 0.25869, and the value of beta is 0.49712.
5. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 1 wherein: the initial water quality parameters of the sewage in the culture pond to be continuously detected are obtained through calculation of water quality information of the culture pond detected by the electrochemical equipment when the ecological culture is not carried out in the culture pond;
Comparing the initial water quality parameter of the sewage in the culture pond to be continuously detected with the water quality parameter in the culture pond to be continuously detected, wherein the specific comparison process is as follows: if the water quality parameter of the sewage in the culture pond to be continuously detected is more than or equal to the initial water quality parameter of the sewage in the culture pond to be continuously detected, the condition that the sewage in the culture pond to be continuously detected contains more organic matters, so that water quality eutrophication is caused, aquatic organisms in the culture pond cannot be removed, and the culture pond to be continuously detected is marked as an abnormal culture pond;
if the water quality parameter of the sewage in the culture pond to be continuously detected is less than the initial water quality parameter of the sewage in the culture pond to be continuously detected, the organic matter content in the sewage in the culture pond to be continuously detected meets the standard, but does not reach the emission standard, the culture is continuously carried out, the culture pond to be continuously detected is marked as a normal culture pond, and after the emission standard is reached, the emission time of the culture pond to be continuously detected is recorded.
6. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 5 wherein: obtaining the cultivation information of the normal cultivation pool, and selecting a reference cultivation pool according to the cultivation information of the normal cultivation pool, wherein the cultivation information of the normal cultivation pool comprises emission time data and water quality conversion data of the normal cultivation pool, the emission time data is represented by the ratio of the emission time of the normal cultivation pool to the average emission time of all the normal cultivation pools, and the water quality conversion data is represented by the ratio of the converted water quality parameters of the normal cultivation pool to the average converted water quality parameters of all the normal cultivation pools;
The specific selection process is as follows:
d110, obtaining the ratio of the discharge time of the normal culture pond to the average discharge time of all the normal culture ponds, and marking the ratio as si;
d120, obtaining the ratio of the converted water quality parameter of the normal culture pond to the average converted water quality parameter of all the normal culture ponds, and marking the ratio as xi;
D130, by the formula: Acquiring a selection parameter ji of a normal culture pond, wherein θ is a preset proportionality coefficient;
And D140, selecting the normal culture pond with the largest selection parameter among all the normal culture ponds, marking the normal culture pond as a reference culture pond, and recording the biological type, the quantity and the initial water quality parameters of the reference culture pond.
7. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 1 wherein: optimizing the sewage transportation in the culture pond in the subsequent ecological culture according to the initial water quality parameters of the sewage recorded by the reference culture pond, wherein the specific process is as follows:
And sending the recorded initial water quality parameters of the sewage in the reference culture pond to electrochemical monitoring equipment in each culture pond, and when the sewage is conveyed to the culture pond in the subsequent ecological culture, if the electrochemical monitoring equipment monitors that the water quality parameters in the culture pond are the same as the initial water quality parameters of the sewage in the reference culture pond, generating a stop signal, sending the stop signal to a conveying module, and after the conveying module receives the stop signal, stopping conveying the sewage to the culture pond corresponding to the electrochemical monitoring equipment.
8. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 2 wherein: carrying out water quality detection on the uniformly mixed sewage, generating signals according to detection results, wherein the signals comprise processing signals and normal signals, and the specific detection process is as follows:
detecting the quality information of the sewage, calculating the quality parameter Hi of the sewage based on the quality information of the sewage, and comparing the quality parameter Hi of the sewage with a quality parameter threshold of the sewage, wherein the specific comparison process is as follows:
If the quality parameter Hi of the sewage is more than or equal to the quality parameter threshold of the sewage, the toxicity of the whole water quality of the sewage is larger, and the sewage does not meet the standard, and a treatment signal is generated;
If the quality parameter Hi of the sewage is smaller than the quality parameter threshold value of the sewage, the toxicity of the whole water quality of the sewage is lower, and the sewage meets the standard, and a normal signal is generated.
9. The ecological symbiotic cultivation based sewage treatment system of claim 8 wherein: the calculation process of the quality parameter Hi of the sewage is as follows:
The quality information of the sewage comprises toxic substance content data and toxic substance type data in the sewage, wherein the toxic substance content data is expressed as the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and the type data of the toxic substances is expressed as the ratio of the type number of the toxic substances in the sewage to the type number of all substances in the sewage, and the specific calculation process is as follows:
s1, obtaining the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage, and marking the ratio of the content of toxic substances in the sewage to the total content of all substances in the sewage as Wi;
s2, obtaining the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage, and marking the ratio of the types of toxic substances in the sewage to the types of all substances in the sewage as Yi;
S3, through the formula: and obtaining a quality parameter Hi of the sewage, wherein log 3 (wi+Yi) is a logarithmic function of a base number 3, and s 1 and s 2 are preset proportionality coefficients.
10. A sewage treatment system based on ecological symbiotic cultivation as claimed in claim 2 wherein: the conveying module is used for conveying the detected sewage to different modules according to the specific signal types, and specifically comprises the following steps: and if the normal signal is generated, conveying the detected sewage to the ecological breeding module, and if the abnormal signal is generated, conveying the detected sewage to the sewage treatment module.
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