CN108298665A - The method for improving sewage purification reliability - Google Patents
The method for improving sewage purification reliability Download PDFInfo
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- CN108298665A CN108298665A CN201810272796.4A CN201810272796A CN108298665A CN 108298665 A CN108298665 A CN 108298665A CN 201810272796 A CN201810272796 A CN 201810272796A CN 108298665 A CN108298665 A CN 108298665A
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- matrix
- spectrum
- total phosphorus
- phosphorus content
- spectrum picture
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/79—Photometric titration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/18—PO4-P
Abstract
In order to reduce sewage purification monitoring cost, the present invention provides a kind of methods improving sewage purification reliability, including：Relationship between the first total phosphorus content during sewage draining exit monitors discharge water and the second total phosphorus content in the second position monitoring discharge water apart from sewage draining exit certain distance；Chemical dephosphorization agent adding set is set between the sewage draining exit and the second position, which determines whether to open according to the relationship of the first total phosphorus content and the second total phosphorus content, to add chemical dephosphorization agent into discharge water.
Description
Technical field
The invention belongs to sewage disposal environmental technology fields, and in particular to a method of improving sewage purification reliability.
Background technology
As the discharge capacity of China's expanding economy, the sharp increase of population, waste water is more and more.It is a large amount of not processed
Sanitary sewage and industrial wastewater are discharged into rivers and lakes, and the enrichment of receiving water body nitrogen phosphorus, algae infestation, water colour is dark green, generate stench different
Taste leads to body eutrophication.
Lake eutrophication prevention passed by from control nutritive salt, directly remove algae, to bioelectric detecting, ecological recovery it is difficult
Course takes huge cost, but produces little effect.Simple nutritive salt control is hard to work, it ignores nutritive salt inside lake
Interaction between cycle and biology, but also since interior cycle and external source pollution are difficult to thoroughly control, but control nutritive salt
It is again the premise for administering eutrophication, external source point-source pollution, which is not thorough, to be blocked, external source pollution of area source immoderation control, even if good again
The measure of improvement eutrophication can all fail.Chemical agent or physical method are directly except algae is also difficult to reach improvement eutrophication
Good result, and secondary pollution can be caused since chemical agent is discharged into water body, therefore can only meet an urgent need, to the ecosystem
Long_term toxcity effect must also detect always, in order to avoid cause ecocatastrophe, the simple method removed algae and be palliative.
In the prior art, monitoring instrument is set often by different test points, the parameters such as detection total phosphorus are simultaneously compared
Relatively determine whether the effect of sewage purification is up to standard.But this mode generally requires to carry out spectrum analysis, spectrum acquisition device
Time it is longer and acquisition cost is higher.
Invention content
In order to reduce wastewater purifying efficiency monitoring cost, the present invention provides a kind of sides for improving sewage purification reliability
Method, including：
(1) sewage draining exit monitor discharge water in the first total phosphorus content and in the second apart from sewage draining exit certain distance
Set the relationship between the second total phosphorus content in monitoring discharge water；
(2) chemical dephosphorization agent adding set is set between the sewage draining exit and the second position, and the device is total according to first
The relationship of phosphorus content and the second total phosphorus content determines whether to open, to add chemical dephosphorization agent into discharge water.
Further, the step (1) includes：
(101) in the first digestion instrument of sewage outfalls setting and the first spectrum acquisition device, in the second position, setting second disappears
Solve device and the second spectrum acquisition device；First digestion instrument and the second digestion instrument have same model and identical ginseng
Number, the first spectrum acquisition device and the second spectrum acquisition device have same model and identical parameters；
(102) it samples discharge water to be detected respectively at the first digestion instrument and the second digestion instrument, respectively obtains and adopt
Sample sample；
(103) potassium persulfate solution is added in the sample, carries out multiple crystallization and is cleared up and carried out
Titration with hydrochloric acid；
(104) sewage draining exit and are obtained by the first spectrum acquisition device and the second spectrum acquisition device respectively
Corresponding first spectrum picture of transmission light intensity of two positions and the second spectrum picture；
(105) the first spectrum picture and the second spectrum picture are compared, the first total phosphorus content and the second total phosphorus content are obtained
Relationship.
Further, the step (105) includes：
(110) to the data of the first spectrum picture and the second spectrum picture be normalized to obtain respectively matrix A and
Matrix B, respective normalization coefficient are respectively the gradient of the gray scale barycenter of the first spectrum picture and the second spectrum picture；
(111) centered on the gray scale barycenter, the preset length be radius, respectively obtain corresponding to the first spectrogram
The coefficient matrix K and K ' of picture and the second spectrum picture, wherein preset length are the characteristic value of matrix A and matrix B；
(112) by matrix K and K ' corresponding pixel carries out such as down conversion：
Wherein parameter k is the product of matrix K and the norm of K ',It is obtained for matrix A multiplication cross B
Matrix,For the matrix that matrix K multiplication cross K ' is obtained, Si,jIndicate the intermediary matrix element of above-mentioned transformation, E=R/2；
It is rightCarry out k multi-wavelet transformation of parameter, and the norm that the result that each multi-wavelet transformation obtains will be constituted
It is defined as the diagonal element value of intermediate diagonal matrix, each element value is arranged from the upper left of the intermediate diagonal matrix to bottom right according to size；
(113) above-mentioned intermediate diagonal matrix is removed on a matrix A left side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is from exponent number
The lower right corner polishing of less matrix, obtains matrix X；
(114) above-mentioned intermediate diagonal matrix is removed on the matrix B right side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is from exponent number
The upper left corner polishing of less matrix, obtains matrix X '；
(115) ratio between the norm of calculating matrix X and the norm of matrix X ', as relationship ratio.
Further, the step (2) includes：
When relationship ratio is less than predetermined threshold value, confirms that sewage purification at this time is up to standard, otherwise confirm sewage purification at this time not
It is up to standard.
Further, the chemical dephosphorization agent is PAC.
Description of the drawings
Fig. 1 shows flow chart according to the method for the present invention.
Specific implementation mode
The method of raising sewage purification reliability according to a preferred embodiment of the invention, improves sewage purification reliability
Method, including：
(1) sewage draining exit monitor discharge water in the first total phosphorus content and in the second apart from sewage draining exit certain distance
Set the relationship between the second total phosphorus content in monitoring discharge water；
(2) chemical dephosphorization agent adding set is set between the sewage draining exit and the second position, and the device is total according to first
The relationship of phosphorus content and the second total phosphorus content determines whether to open, to add chemical dephosphorization agent into discharge water.
Preferably, the step (1) includes：
(101) in the first digestion instrument of sewage outfalls setting and the first spectrum acquisition device, in the second position, setting second disappears
Solve device and the second spectrum acquisition device；First digestion instrument and the second digestion instrument have same model and identical ginseng
Number, the first spectrum acquisition device and the second spectrum acquisition device have same model and identical parameters；
(102) it samples discharge water to be detected respectively at the first digestion instrument and the second digestion instrument, respectively obtains and adopt
Sample sample；
(103) potassium persulfate solution is added in the sample, carries out multiple crystallization and is cleared up and carried out
Titration with hydrochloric acid；
(104) sewage draining exit and are obtained by the first spectrum acquisition device and the second spectrum acquisition device respectively
Corresponding first spectrum picture of transmission light intensity of two positions and the second spectrum picture；
(105) the first spectrum picture and the second spectrum picture are compared, the first total phosphorus content and the second total phosphorus content are obtained
Relationship.
Preferably, the step (105) includes：
(110) to the data of the first spectrum picture and the second spectrum picture be normalized to obtain respectively matrix A and
Matrix B, respective normalization coefficient are respectively the gradient of the gray scale barycenter of the first spectrum picture and the second spectrum picture；
(111) centered on the gray scale barycenter, the preset length be radius, respectively obtain corresponding to the first spectrogram
The coefficient matrix K and K ' of picture and the second spectrum picture, wherein preset length are the characteristic value of matrix A and matrix B；
(112) by matrix K and K ' corresponding pixel carries out such as down conversion：
Wherein parameter k is the product of matrix K and the norm of K ',It is obtained for matrix A multiplication cross B
Matrix,For the matrix that matrix K multiplication cross K ' is obtained, Si,jIndicate the intermediary matrix element of above-mentioned transformation, E=R/2；
It is rightCarry out k multi-wavelet transformation of parameter, and the norm that the result that each multi-wavelet transformation obtains will be constituted
It is defined as the diagonal element value of intermediate diagonal matrix, each element value is arranged from the upper left of the intermediate diagonal matrix to bottom right according to size；
(113) above-mentioned intermediate diagonal matrix is removed on a matrix A left side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is from exponent number
The lower right corner polishing of less matrix, obtains matrix X；
(114) above-mentioned intermediate diagonal matrix is removed on the matrix B right side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is from exponent number
The upper left corner polishing of less matrix, obtains matrix X '；
(115) ratio between the norm of calculating matrix X and the norm of matrix X ', as relationship ratio.
Preferably, the step (2) includes：
When relationship ratio is less than predetermined threshold value, confirms that sewage purification at this time is up to standard, otherwise confirm sewage purification at this time not
Up to standard, which is determined by the empirical value of site test.
Preferably, the chemical dephosphorization agent is PAC.
It will be apparent to a skilled person that the spectrum acquisition device in the present invention is obtained in spectral analysis device
Through the optical path device part of light intensity, without including the relevant environment division of spectrum analysis.Moreover, the above-mentioned spectrum in the present invention
The processing of dependent image data can be realized by remote computer, and complete spectral analysis device is purchased to significantly reduce
Required cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of method improving sewage purification reliability, including：
(1) sewage draining exit monitor discharge water in the first total phosphorus content and apart from sewage draining exit certain distance the second position supervise
Survey the relationship between the second total phosphorus content in discharge water；
(2) chemical dephosphorization agent adding set is set between the sewage draining exit and the second position, which contains according to the first total phosphorus
Amount and the relationship of the second total phosphorus content determine whether to open, to add chemical dephosphorization agent into discharge water.
2. according to the method described in claim 1, it is characterized in that, the step (1) includes：
(101) in the first digestion instrument of sewage outfalls setting and the first spectrum acquisition device, the second resolution of setting dress in the second position
It sets and the second spectrum acquisition device；First digestion instrument and the second digestion instrument have same model and identical parameters, institute
Stating the first spectrum acquisition device and the second spectrum acquisition device has same model and identical parameters；
(102) it samples discharge water to be detected respectively at the first digestion instrument and the second digestion instrument, respectively obtains sampling examination
Sample；
(103) potassium persulfate solution is added in the sample, carries out multiple crystallization and is cleared up and carried out hydrochloric acid
Titration；
(104) sewage draining exit and second are obtained by the first spectrum acquisition device and the second spectrum acquisition device respectively
Corresponding first spectrum picture of transmission light intensity set and the second spectrum picture；
(105) the first spectrum picture and the second spectrum picture are compared, the relationship of the first total phosphorus content and the second total phosphorus content is obtained.
3. according to the method described in claim 2, it is characterized in that, the step (105) includes：
(110) data of the first spectrum picture and the second spectrum picture are normalized to obtain matrix A and matrix respectively
B, respective normalization coefficient are respectively the gradient of the gray scale barycenter of the first spectrum picture and the second spectrum picture；
(111) centered on the gray scale barycenter, the preset length R be radius, respectively obtain corresponding to the first spectrum picture
It is the characteristic value of matrix A and matrix B with the coefficient matrix K and K ' of the second spectrum picture, wherein preset length R；
(112) by matrix K and K ' corresponding pixel carries out such as down conversion：
Wherein parameter k is the product of matrix K and the norm of K ',The square obtained for matrix A multiplication cross B
Battle array,For the matrix that matrix K multiplication cross K ' is obtained, Si,jIndicate the intermediary matrix element of above-mentioned transformation, E=R/2；
It is rightK multi-wavelet transformation of parameter is carried out, and the norm for constituting the result that each multi-wavelet transformation obtains is defined
For the diagonal element value of intermediate diagonal matrix, each element value is arranged from the upper left of the intermediate diagonal matrix to bottom right according to size；
(113) above-mentioned intermediate diagonal matrix is removed on a matrix A left side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is less from exponent number
Matrix lower right corner polishing, obtain matrix X；
(114) above-mentioned intermediate diagonal matrix is removed on the matrix B right side, the matrix for being 1 according to diagonal line when exponent number is inconsistent is less from exponent number
Matrix upper left corner polishing, obtain matrix X '；
(115) ratio between the norm of calculating matrix X and the norm of matrix X ', as relationship ratio.
4. according to the method described in claim 3, it is characterized in that, the step (2) includes：
When relationship ratio is less than predetermined threshold value, confirms that sewage purification at this time is up to standard, otherwise confirm that sewage purification is not up to standard at this time.
5. according to the method described in claim 4, it is characterized in that, the chemical dephosphorization agent is PAC.
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| CN201810272796.4A CN108298665B (en) | 2018-03-29 | 2018-03-29 | Method for improving sewage purification reliability |
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| CN201810272796.4A CN108298665B (en) | 2018-03-29 | 2018-03-29 | Method for improving sewage purification reliability |
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| CN108298665B CN108298665B (en) | 2021-05-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625353A (en) * | 2009-03-06 | 2010-01-13 | 北京工商大学 | Soft measurement method of outflow water quality of sewage treatment and on-line intelligent detecting instrument |
| US20120179373A1 (en) * | 2011-01-11 | 2012-07-12 | University Of Seoul Industry Cooperation Foundation | Method for measuring total phosphorus using multi-parameter water quality data |
| CN103616525A (en) * | 2013-12-11 | 2014-03-05 | 三峡大学 | Instrument for rapidly monitoring total phosphorus in water on line |
| CN104964940A (en) * | 2015-07-27 | 2015-10-07 | 珠江水利委员会珠江水利科学研究院 | Detection device and method for rapidly detecting content of total phosphorus in water sample |
| CN106018359A (en) * | 2016-05-12 | 2016-10-12 | 常州市排水管理处 | Sewage plant water-quality monitoring early-warning method and system |
| CN106841062A (en) * | 2016-12-29 | 2017-06-13 | 贵港市芭田生态有限公司 | The detection method of total phosphorus content in water quality |
-
2018
- 2018-03-29 CN CN201810272796.4A patent/CN108298665B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625353A (en) * | 2009-03-06 | 2010-01-13 | 北京工商大学 | Soft measurement method of outflow water quality of sewage treatment and on-line intelligent detecting instrument |
| US20120179373A1 (en) * | 2011-01-11 | 2012-07-12 | University Of Seoul Industry Cooperation Foundation | Method for measuring total phosphorus using multi-parameter water quality data |
| CN103616525A (en) * | 2013-12-11 | 2014-03-05 | 三峡大学 | Instrument for rapidly monitoring total phosphorus in water on line |
| CN104964940A (en) * | 2015-07-27 | 2015-10-07 | 珠江水利委员会珠江水利科学研究院 | Detection device and method for rapidly detecting content of total phosphorus in water sample |
| CN106018359A (en) * | 2016-05-12 | 2016-10-12 | 常州市排水管理处 | Sewage plant water-quality monitoring early-warning method and system |
| CN106841062A (en) * | 2016-12-29 | 2017-06-13 | 贵港市芭田生态有限公司 | The detection method of total phosphorus content in water quality |
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Effective date of registration: 20210508 Address after: 1216b, building A1, area a, Dongguan Tian'an Digital City, No.1, Huangjin Road, Hongfu community, Nancheng street, Dongguan City, Guangdong Province, 523000 Applicant after: Dongguan shouchuang Environmental Protection Technology Co.,Ltd. Address before: Room 1234, 12 / F, building 1, 1388, middle section of Tianfu Avenue, high tech Zone, Chengdu, Sichuan 610000 Applicant before: CHENGDU HUIWANG VOYAGE TECHNOLOGY Co.,Ltd. |
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