CN111241490A - Method for processing emission reduction data of sewage treatment plant - Google Patents

Method for processing emission reduction data of sewage treatment plant Download PDF

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CN111241490A
CN111241490A CN202010091285.XA CN202010091285A CN111241490A CN 111241490 A CN111241490 A CN 111241490A CN 202010091285 A CN202010091285 A CN 202010091285A CN 111241490 A CN111241490 A CN 111241490A
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凌文翠
刘桂中
林秀军
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Beijing Municipal Research Institute of Environmental Protection
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Abstract

The embodiment of the invention provides a method for processing the discharge reduction data of a sewage treatment plant, which comprises the following steps of 1, determining the treatment capacity data of a newly-built sewage treatment facility to be used as the new increase, decrease and reduction of pollutants of the newly-built sewage treatment facility; step 2, determining the pollutant emission reduction amount for improving the treated water amount after the reconstruction and the expansion of the original sewage treatment facility to be used as the new increase, decrease and quantity reduction of the original sewage treatment facility; step 3, determining the reduction amount of the industrial enterprise discharged into a newly-built sewage centralized treatment facility; and 4, determining pollutant emission data. The scheme of the invention provides a method for processing the discharge reduction data of the sewage treatment plant, which can accurately monitor the pollutant discharge and processing data, thereby improving the accuracy of the discharge data processing and the timeliness of the monitoring of the sewage treatment plant.

Description

Method for processing emission reduction data of sewage treatment plant
Technical Field
The invention relates to the technical field of data processing, in particular to a method for processing the discharge reduction data of a sewage treatment plant.
Background
The water environment is a main component of a resident production environment and is indispensable production and living resources for urban residents, and the treatment of the sewage is beneficial to effectively removing the threat of the sewage to the urban residents, so that the water resource is effectively recycled. Under the severe conditions of the water environment, the enhancement of sewage treatment has important significance for improving the water environment quality. How to scientifically calculate the reduction of the discharge of the water pollutants in the sewage treatment plant is an important basic work and has positive significance for strengthening the fine management of the water environment.
Disclosure of Invention
The invention provides a method for processing the reduced discharge capacity data of a sewage treatment plant, which aims to solve the problem that the reduced discharge capacity data of the current sewage treatment plant is inaccurate to process.
To solve the above technical problem, an embodiment of the present invention provides the following solutions:
aiming at the problems, the technical problem solved by the invention is to provide a method for processing the discharge reduction data of the sewage treatment plant, which comprises the following steps:
step 1, determining the treatment capacity data of the newly-built sewage treatment facility to be used as the new increase, decrease and decrement of pollutants of the newly-built sewage treatment facility;
step 2, determining the pollutant emission reduction amount for improving the treated water amount after the reconstruction and the expansion of the original sewage treatment facility to be used as the new increase, decrease and quantity reduction of the original sewage treatment facility;
step 3, determining the reduction amount of the industrial enterprise discharged into a newly-built sewage centralized treatment facility;
and 4, determining pollutant emission data.
In some embodiments, the determining the reduced treated water volume data for the newly built wastewater treatment facility comprises:
when the amount of the domestic sewage treated by the sewage treatment facility reaches or exceeds 90 percent of the total treated water amount, all the sewage is regarded as the domestic sewage for calculation; the calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe daily sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant, namely day; ci year of yearThe influent concentration of the sewage treatment plant in the same yearMg/l; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
when the amount of domestic sewage treated by the sewage treatment facility is lower than 90% of the total treated water amount, and the balance is industrial wastewater, the calculation formula is as follows:
Rsewage treatment plant＝RLife saving+RIndustrial process
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; rLife savingThe amount of newly increased pollutants for treating domestic sewage in a town sewage treatment plant is reduced by ten thousand tons; rIndustrial processThe amount of newly increased pollutants for treating industrial wastewater by a town sewage treatment plant is reduced by ten thousand tons;
wherein:
Rlife saving＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rLife savingThe amount of pollutants in the domestic sewage treated by a town sewage treatment plant is reduced by ten thousand tons; qThe yearThe daily domestic sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
wherein:
Figure BDA0002383813490000021
in the formula: rIndustrial processThe method is used for reducing the amount of pollutants in industrial wastewater treated by a town sewage treatment plant by ten thousand tons; eEnterprise mThousands of tons of pollutants are discharged from an environmental statistics database in the last year for the mth enterprise entering a sewage treatment plant; d is the actual operation days of the sewage treatment plant, namely day; WQIndustrial processIn order to obtain the industrial wastewater volume entering the urban sewage treatment facility, the volume is ten thousand cubic meters; co year of the yearThe concentration of the effluent is milligram/liter of the effluent concentration of the sewage treatment plant in the current year.
In some embodiments, determining the pollutant reduction amount for improving the treated water amount after the reconstruction and the extension of the original sewage treatment plant comprises the following steps:
when the concentration of inlet and outlet water of the original sewage treatment plant is not obviously changed, the newly added reduction amount calculation formula is as follows:
Rsewage treatment plant＝QAdding new×D×(Ci-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qAdding newThe sewage treatment capacity is increased by ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ciThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; coThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
when the outlet concentration is reduced after an advanced treatment facility is newly built in the original sewage treatment plant, and the variation of the treated water amount is less than 10%, the newly added reduction calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×[(Ci now-Co now)-(CIgen-Co original)]×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe method is characterized in that the method is used for treating the sewage quantity of a town sewage treatment plant in ten thousand cubic meters per day in the current year; d is the actual operation days and days of the sewage treatment plant after the advanced treatment facility is newly built; ci nowThe concentration of inlet water is milligram/liter after an advanced treatment facility is newly built; co nowThe concentration of effluent is milligram/liter after an advanced treatment facility is newly built; cIgenThe concentration of inlet water is milligram/liter before an advanced treatment facility is newly built; co originalThe effluent concentration is milligram/liter before an advanced treatment facility is newly built;
when a reclaimed water recycling project is newly built in an original sewage treatment plant, pollutants entering a reclaimed water facility are calculated according to total reduction, and a newly added reduction calculation formula is as follows:
Rsewage treatment plant＝WQReclaimed water×Co×10-6
In the formula: rSewage treatment plantFor town sewage treatmentTen thousand tons of newly increased pollutants are reduced in the facility; WQReclaimed waterThe reuse amount of the regenerated water is newly increased for sewage treatment plants in the last year, namely ten thousand cubic meters, and the reuse amount of the part of the regenerated water discharged into a river channel is not counted; coThe concentration of inlet water of the reclaimed water facility is mg/L;
when the treatment water quantity and the inlet and outlet water concentration of the original sewage treatment facility are changed, and the treated sewage is jointly formed by industrial sewage and domestic sewage, the calculation formula is as follows:
Figure BDA0002383813490000031
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe daily sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; q'The yearThe sewage quantity discharged into a sewage treatment plant for ten thousand cubic meters per day is newly added for non-ring system key enterprises in the same year; dThe yearThe actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter; qLast yearThe daily sewage treatment capacity of the urban sewage treatment plant in the same period of the last year is ten thousand cubic meters per day; dLast yearThe actual operation days and days of the sewage treatment plant in the same period of the last year; ci last yearThe concentration of inlet water of the sewage treatment plant in the same period of the last year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the same period of the last year is milligram/liter; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; comThe concentration of the sewage discharged into the sewage treatment plant by the mth enterprise in the current year is mg/L; com last yearThe discharge concentration of the wastewater in the previous year of the mth enterprise is mg/L, and the average discharge concentration of the newly built enterprise in the current year is calculated according to the previous year of the mth enterprise.
In some embodiments, determining the reduction of an industrial enterprise into a newly built centralized wastewater treatment facility comprises:
determining the reduction amount of the sewage discharged into a newly-built sewage centralized treatment facility by an industrial enterprise:
Rsewage treatment plant＝Q×D×(Co industrial average-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; q is daily sewage treatment capacity, ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant, namely day; co industrial averageIs the average emission concentration of the industry in the current year, mg/L; coThe concentration of effluent water of a sewage treatment plant is mg/L;
determining that the original enterprise discharges into a newly-built sewage centralized treatment facility, wherein the calculation formula of the newly-added reduction amount is as follows:
Figure 100002_1
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; com last yearThe discharge concentration of the wastewater of the annual ring system of the mth enterprise is mg/L; coThe concentration of effluent from a sewage treatment facility is mg/l.
In some embodiments, determining pollutant emissions data comprises:
the pollutant discharge data is the sum of the pollutant amount discharged into the environment by the sewage treatment facility and the pollutant amount discharged into the environment by the reclaimed water facility, namely:
Erow board＝WQRow board×CRow board×D×10-6+WQ′Row board×C′Row board×D′×10-6
In the formula: eRow boardTen thousand tons of pollutants are discharged in the checking period; WQRow boardThe water volume discharged into the environment by the sewage treatment facility in the current year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment facility; cRow boardThe average concentration of the pollutants in the wastewater discharged by the sewage treatment facility in the current year is mg/L; WQ'Row boardThe water quantity discharged into the environment for the reclaimed water facilities in the same year is ten thousand cubic meters per day; c'Row boardThe average concentration of the pollutants in the drainage water of the reclaimed water facility in the current year is mg/L; d' isThe actual operation days and days of the reclaimed water facilities.
The scheme of the invention at least comprises the following beneficial effects:
the scheme of the invention provides a method for processing the reduced discharge capacity data of the sewage treatment plant, which can accurately monitor the pollutant discharge and processing data, thereby improving the accuracy of the reduced discharge capacity data processing and the timeliness of the monitoring of the sewage treatment plant.
Drawings
Fig. 1 is a schematic flow chart of a method for processing volume reduction data of a sewage treatment plant in an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for processing reduced discharge data of a sewage treatment plant, which can accurately monitor pollutant data.
The method for processing the discharge reduction data of the sewage treatment plant comprises the following steps:
step 1, determining the treatment capacity data of the newly-built sewage treatment facility to be used as the new increase and decrease of pollutants of the newly-built sewage treatment facility:
when the amount of the domestic sewage treated by the sewage treatment facility reaches or exceeds 90 percent of the total treated water amount, all the sewage is regarded as the domestic sewage for calculation; the calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe daily sewage treatment capacity of the urban sewage treatment plant in the same year is very goodSquare meter per day; d is the actual operation days of the sewage treatment plant, namely day; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
when the amount of domestic sewage treated by the sewage treatment facility is lower than 90% of the total treated water amount, and the balance is industrial wastewater, the calculation formula is as follows:
Rsewage treatment plant＝RLife saving+RIndustrial process
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; rLife savingThe amount of newly increased pollutants for treating domestic sewage in a town sewage treatment plant is reduced by ten thousand tons; rIndustrial processThe amount of newly increased pollutants for treating industrial wastewater by a town sewage treatment plant is reduced by ten thousand tons;
wherein:
Rlife saving＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rLife savingThe amount of pollutants in the domestic sewage treated by a town sewage treatment plant is reduced by ten thousand tons; qThe yearThe daily domestic sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
wherein:
Figure BDA0002383813490000061
in the formula: rIndustrial processThe method is used for reducing the amount of pollutants in industrial wastewater treated by a town sewage treatment plant by ten thousand tons; eEnterprise mThousands of tons of pollutants are discharged from an environmental statistics database in the last year for the mth enterprise entering a sewage treatment plant; d is the actual operation days of the sewage treatment plant, namely day; WQIndustrial processIn order to obtain the industrial wastewater volume entering the urban sewage treatment facility, the volume is ten thousand cubic meters;
Co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
step 2, determining the pollutant emission reduction amount for improving the treated water amount after the reconstruction and the expansion of the original sewage treatment facility to be used as the new increase, decrease and quantity reduction of the original sewage treatment facility;
when the concentration of inlet and outlet water of the original sewage treatment plant is not obviously changed, the newly added reduction amount calculation formula is as follows:
Rsewage treatment plant＝QAdding new×D×(Ci-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qAdding newThe sewage treatment capacity is increased by ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ciThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; coThe concentration of the effluent is milligram/liter of the effluent concentration of the sewage treatment plant in the current year.
When the outlet concentration is reduced after an advanced treatment facility is newly built in the original sewage treatment plant, and the variation of the treated water amount is less than 10%, the newly added reduction calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×[(Ci now-Co now)-(CIgen-Co original)]×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe method is characterized in that the method is used for treating the sewage quantity of a town sewage treatment plant in ten thousand cubic meters per day in the current year; d is the actual operation days and days of the sewage treatment plant after the advanced treatment facility is newly built; ci nowThe concentration of inlet water is milligram/liter after an advanced treatment facility is newly built; co nowThe concentration of effluent is milligram/liter after an advanced treatment facility is newly built; cIgenThe concentration of inlet water is milligram/liter before an advanced treatment facility is newly built; co originalThe effluent concentration is mg/L before an advanced treatment facility is newly built.
When a reclaimed water recycling project is newly built in an original sewage treatment plant, pollutants entering a reclaimed water facility are calculated according to total reduction, and a newly added reduction calculation formula is as follows:
Rsewage treatment plant＝WQReclaimed water×Co×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; WQReclaimed waterThe reuse amount of the regenerated water is newly increased for sewage treatment plants in the last year, namely ten thousand cubic meters, and the reuse amount of the part of the regenerated water discharged into a river channel is not counted; coThe concentration of inlet water of the reclaimed water facility is mg/L;
when the treatment water quantity and the inlet and outlet water concentration of the original sewage treatment facility are changed, and the treated sewage is jointly formed by industrial sewage and domestic sewage, the calculation formula is as follows:
Figure BDA0002383813490000071
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe daily sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; q'The yearThe sewage quantity discharged into a sewage treatment plant for ten thousand cubic meters per day is newly added for non-ring system key enterprises in the same year; dThe yearThe actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter; qLast yearThe daily sewage treatment capacity of the urban sewage treatment plant in the same period of the last year is ten thousand cubic meters per day; dLast yearThe actual operation days and days of the sewage treatment plant in the same period of the last year; ci last yearThe concentration of inlet water of the sewage treatment plant in the same period of the last year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the same period of the last year is milligram/liter; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; comThe concentration of the sewage discharged into the sewage treatment plant by the mth enterprise in the current year is mg/L; com last yearThe discharge concentration of the wastewater in the previous year of the mth enterprise is mg/L, and the average discharge concentration of the newly built enterprise in the current year is calculated according to the previous year of the mth enterprise.
Step 3, determining the reduction amount of the newly-built industrial enterprise discharged into a newly-built sewage centralized treatment facility:
Rsewage treatment plant＝Q×D×(Co industrial average-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; q is daily sewage treatment capacity, ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant, namely day; co industrial averageIs the average emission concentration of the industry in the current year, mg/L; coThe concentration of effluent water of a sewage treatment plant is mg/L.
Determining that the original enterprise discharges into a newly-built sewage centralized treatment facility, wherein the calculation formula of the newly-added reduction amount is as follows:
Figure 2
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; com last yearThe discharge concentration of the wastewater of the annual ring system of the mth enterprise is mg/L; coThe concentration of effluent from a sewage treatment facility is mg/l.
And step 4, determining pollutant discharge data, wherein the pollutant discharge data is the sum of the pollutant amount discharged into the environment by the sewage treatment facility and the pollutant amount discharged into the environment by the reclaimed water facility, namely:
Erow board＝WQRow board×CRow board×D×10-6+WQ′Row board×C′Row board×D′×10-6
In the formula: eRow boardTen thousand tons of pollutants are discharged in the checking period; WQRow boardThe water volume discharged into the environment by the sewage treatment facility in the current year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment facility; cRow boardThe average concentration of the pollutants in the wastewater discharged by the sewage treatment facility in the current year is mg/L; WQ'Row boardThe water quantity discharged into the environment for the reclaimed water facilities in the same year is ten thousand cubic meters per day; c'Row boardThe average concentration of the pollutants in the drainage water of the reclaimed water facility in the current year is mg/L; d' is regenerated waterActual days, days of facility operation.
The scheme of the invention provides a method for processing the reduced discharge capacity data of the sewage treatment plant, which can accurately monitor the pollutant discharge and processing data, thereby improving the accuracy of the reduced discharge capacity data processing and the timeliness of the monitoring of the sewage treatment plant.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. A method for processing the discharge reduction data of a sewage treatment plant is characterized by comprising the following steps:
step 1, determining the reduction treatment water quantity data of the newly-built sewage treatment facility to be used as the new increase and reduction of pollutants of the newly-built sewage treatment facility;
step 2, determining the pollutant emission reduction amount for improving the treated water amount after the reconstruction and the expansion of the original sewage treatment facility to be used as the new increase, decrease and quantity reduction of the original sewage treatment facility;
step 3, determining the reduction amount of the industrial enterprise discharged into a newly-built sewage centralized treatment facility;
and 4, determining pollutant emission data.
2. The method for processing reduced discharge data of a sewage treatment plant according to claim 1, wherein the determining the treatment capacity data of the newly built sewage treatment facility comprises:
when the amount of the domestic sewage treated by the sewage treatment facility reaches or exceeds 90 percent of the total treated water amount, all the sewage is regarded as the domestic sewage for calculation; the calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearIs the urban sewage in the same yearThe daily sewage treatment capacity of a treatment plant is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant, namely day; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
when the amount of domestic sewage treated by the sewage treatment facility is lower than 90% of the total treated water amount, and the balance is industrial wastewater, the calculation formula is as follows:
Rsewage treatment plant＝RLife saving+RIndustrial process
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; rLife savingThe amount of newly increased pollutants for treating domestic sewage in a town sewage treatment plant is reduced by ten thousand tons; rIndustrial processThe amount of newly increased pollutants for treating industrial wastewater by a town sewage treatment plant is reduced by ten thousand tons;
wherein:
Rlife saving＝QThe year×D×(Ci year of year-Co year of the year)×10-6
In the formula: rLife savingThe amount of pollutants in the domestic sewage treated by a town sewage treatment plant is reduced by ten thousand tons; qThe yearThe daily domestic sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
wherein:
Figure FDA0002383813480000021
in the formula: rIndustrial processThe method is used for reducing the amount of pollutants in industrial wastewater treated by a town sewage treatment plant by ten thousand tons; eEnterprise mThousands of tons of pollutants are discharged from an environmental statistics database in the last year for the mth enterprise entering a sewage treatment plant; d is the actual operation days of the sewage treatment plant, namely day; WQIndustrial processIn order to obtain the industrial wastewater volume entering the urban sewage treatment facility, the volume is ten thousand cubic meters; co year of the yearIs as followsThe concentration of effluent of the annual sewage treatment plant is mg/L.
3. The method for processing the reduced discharge data of the sewage treatment plant according to claim 1, wherein the step of determining the reduced discharge of pollutants for improving the treated water amount after the reconstruction and the extension of the original sewage treatment plant comprises the following steps:
when the concentration of inlet and outlet water of the original sewage treatment plant is not obviously changed, the newly added reduction amount calculation formula is as follows:
Rsewage treatment plant＝QAdding new×D×(Ci-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qAdding newThe sewage treatment capacity is increased by ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant in the current year; ciThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; coThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter;
when the outlet concentration is reduced after an advanced treatment facility is newly built in the original sewage treatment plant, and the variation of the treated water amount is less than 10%, the newly added reduction calculation formula is as follows:
Rsewage treatment plant＝QThe year×D×[(Ci now-Co now)-(CIgen-Co original)]×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe method is characterized in that the method is used for treating the sewage quantity of a town sewage treatment plant in ten thousand cubic meters per day in the current year; d is the actual operation days and days of the sewage treatment plant after the advanced treatment facility is newly built; ci nowThe concentration of inlet water is milligram/liter after an advanced treatment facility is newly built; co nowThe concentration of effluent is milligram/liter after an advanced treatment facility is newly built; cIgenThe concentration of inlet water is milligram/liter before an advanced treatment facility is newly built; co originalThe effluent concentration is milligram/liter before an advanced treatment facility is newly built;
when a reclaimed water recycling project is newly built in an original sewage treatment plant, pollutants entering a reclaimed water facility are calculated according to total reduction, and a newly added reduction calculation formula is as follows:
Rsewage treatment plant＝WQReclaimed water×Co×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; WQReclaimed waterThe reuse amount of the regenerated water is newly increased for sewage treatment plants in the last year, namely ten thousand cubic meters, and the reuse amount of the part of the regenerated water discharged into a river channel is not counted; coThe concentration of inlet water of the reclaimed water facility is mg/L;
when the treatment water quantity and the inlet and outlet water concentration of the original sewage treatment facility are changed, and the treated sewage is jointly formed by industrial sewage and domestic sewage, the calculation formula is as follows:
Figure FDA0002383813480000031
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for town sewage treatment facilities; qThe yearThe daily sewage treatment capacity of a town sewage treatment plant in the same year is ten thousand cubic meters per day; q'The yearThe sewage quantity discharged into a sewage treatment plant for ten thousand cubic meters per day is newly added for non-ring system key enterprises in the same year; dThe yearThe actual operation days of the sewage treatment plant in the current year; ci year of yearThe concentration of inlet water of the sewage treatment plant in the current year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the current year is milligram/liter; qLast yearThe daily sewage treatment capacity of the urban sewage treatment plant in the same period of the last year is ten thousand cubic meters per day; dLast yearThe actual operation days and days of the sewage treatment plant in the same period of the last year; ci last yearThe concentration of inlet water of the sewage treatment plant in the same period of the last year is milligram/liter; co year of the yearThe concentration of effluent water of the sewage treatment plant in the same period of the last year is milligram/liter; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; comThe concentration of the sewage discharged into the sewage treatment plant by the mth enterprise in the current year is mg/L; com last yearThe discharge concentration of the wastewater in the previous year of the mth enterprise is mg/L, and the average discharge concentration of the newly built enterprise in the current year is calculated according to the previous year of the mth enterprise.
4. The method for processing the volume reduction data of the sewage treatment plant according to claim 1, wherein the step of determining the volume reduction of the industrial enterprise discharged into the newly-built sewage centralized treatment facility comprises the following steps:
determining the reduction amount of the sewage discharged into a newly-built sewage centralized treatment facility by a newly-built industrial enterprise:
Rsewage treatment plant＝Q×D×(Co industrial average-Co)×10-6
In the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; q is daily sewage treatment capacity, ten thousand cubic meters per day; d is the actual operation days of the sewage treatment plant, namely day; co industrial averageIs the average emission concentration of the industry in the current year, mg/L; coThe concentration of effluent water of a sewage treatment plant is mg/L;
determining that the original enterprise discharges into a newly-built sewage centralized treatment facility, wherein the calculation formula of the newly-added reduction amount is as follows:
Figure 1
in the formula: rSewage treatment plantTen thousand tons of pollutants are reduced for the centralized treatment facility; WQmThe water quantity discharged into the sewage treatment plant for the mth enterprise is ten thousand cubic meters; com last yearThe discharge concentration of the wastewater of the annual ring system of the mth enterprise is mg/L; coThe concentration of effluent from a sewage treatment facility is mg/l.
5. The sewage treatment plant reduced discharge data processing method according to claim 1, wherein determining pollutant discharge amount data comprises:
the pollutant discharge data is the sum of the pollutant amount discharged into the environment by the sewage treatment facility and the pollutant amount discharged into the environment by the reclaimed water facility, namely:
Erow board＝WQRow board×CRow board×D×10-6+WQ′Row board×C′Row board×D′×10-6
In the formula: eRow boardTen thousand tons of pollutants are discharged in the checking period; WQRow boardThe water volume discharged into the environment by the sewage treatment facility in the current year is ten thousand cubic meters per day; d is the actual operation days of the sewage treatment facility; cRow boardThe average concentration of the pollutants in the wastewater discharged by the sewage treatment facility in the current year is mg/L; WQ'Row boardThe water quantity discharged into the environment for the reclaimed water facilities in the same year is ten thousand cubic meters per day; c'Row boardThe average concentration of the pollutants in the drainage water of the reclaimed water facility in the current year is mg/L; d' is the actual running days and days of the reclaimed water facility.
CN202010091285.XA 2020-02-13 2020-02-13 Method for processing emission reduction data of sewage treatment plant Pending CN111241490A (en)

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