CN117534233A - Urban sewage integrated optimization treatment and system equipment - Google Patents
Urban sewage integrated optimization treatment and system equipment Download PDFInfo
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- CN117534233A CN117534233A CN202311479933.9A CN202311479933A CN117534233A CN 117534233 A CN117534233 A CN 117534233A CN 202311479933 A CN202311479933 A CN 202311479933A CN 117534233 A CN117534233 A CN 117534233A
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- 239000010865 sewage Substances 0.000 title claims abstract description 190
- 238000005457 optimization Methods 0.000 title claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 230000001105 regulatory effect Effects 0.000 claims abstract description 69
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 30
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims description 36
- 238000001228 spectrum Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 21
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 102000004190 Enzymes Human genes 0.000 claims description 13
- 108090000790 Enzymes Proteins 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000000295 emission spectrum Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000003595 spectral effect Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002923 metal particle Substances 0.000 claims description 4
- 241000894006 Bacteria Species 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 208000034699 Vitreous floaters Diseases 0.000 description 1
- 230000004103 aerobic respiration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000003018 immunoassay Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2101/20—Heavy metals or heavy metal 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
- C02F2209/02—Temperature
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to the technical field of sewage treatment and discloses integrated and optimized treatment and system equipment for urban sewage, which comprises a first sewage water collecting line, a second sewage water collecting line, a comprehensive regulating tank, a USAB tank, an oxygenation biochemical tank, a sedimentation tank and a clean water tank, wherein the first sewage water collecting line and the second sewage water collecting line are both connected with the comprehensive regulating tank, the comprehensive regulating tank is connected with the USAB tank, the USAB tank is connected with the oxygenation biochemical tank, the oxygenation biochemical tank is connected with the sedimentation tank, and the sedimentation tank is connected with the clean water tank; the first sewage line and the second sewage line are provided with heavy metal detection devices, the comprehensive regulating tank and the USAB tank are both provided with a dosing tank and a pH sensor, and the heavy metal detection devices, the dosing tank and the pH sensor are all connected with a controller. The heavy metal detection device, the dosing tank and the pH sensor are connected with the controller to accurately control the sewage treatment process, so that the sewage treatment system equipment can accurately, stably and efficiently run, and the effluent quality is improved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to integrated and optimized treatment and system equipment for urban sewage.
Background
The urban sewage treatment equipment can regenerate and reuse sewage, realizes sustainable utilization and virtuous cycle of fresh water resources, protects water environment to the maximum extent, is an indispensable component for modern urban economic development and water resource protection, and has become a strategic measure for comprehensive utilization of water resources in China. With the annual improvement of national sewage discharge standards, the running condition of urban sewage treatment plants in China is optimistic, and the main problems are high running cost and excessive effluent quality. Therefore, researching the optimization control theory and technology of the urban sewage treatment process and ensuring the safe and efficient operation of the sewage treatment plant becomes the problem to be solved urgently in the current urban sewage treatment industry.
In recent years, although research on water pollution treatment technology is mainly focused on integration and optimization of related technologies such as removal of refractory organic matters, deep denitrification, dephosphorization, desalination and the like, urban sewage treatment is late in development, sewage treatment facilities are poor in foundation, and in biological treatment, the energy consumption for denitrification and dephosphorization is high in general, the efficiency is low and the operation is unstable, most urban sewage treatment capacities in the whole country are far from meeting actual needs, and sewage treatment technology lag and sewage treatment facilities are old main reasons for hindering stable development of sewage treatment industry.
Disclosure of Invention
The invention provides integrated and optimized treatment and system equipment for urban sewage, which is connected with a controller through a heavy metal detection device, a dosing tank and a pH sensor to accurately control a sewage treatment process, so that the accurate, stable and efficient operation of the sewage treatment system equipment is realized, and the quality of effluent is improved.
The invention provides integrated and optimized treatment and system equipment for urban sewage, which comprises a first sewage water collecting line, a second sewage water collecting line, a comprehensive regulating tank, a USAB tank, an oxygenation biochemical tank, a sedimentation tank and a clean water tank, wherein the first sewage water collecting line and the second sewage water collecting line are both connected with the comprehensive regulating tank, the comprehensive regulating tank is connected with the USAB tank, the USAB tank is connected with the oxygenation biochemical tank, the oxygenation biochemical tank is connected with the sedimentation tank, and the sedimentation tank is connected with the clean water tank;
the first sewage line and the second sewage line are provided with heavy metal detection devices, the comprehensive regulating tank and the USAB tank are respectively provided with a dosing tank and a pH sensor, and the heavy metal detection devices, the dosing tank and the pH sensor are respectively connected with a controller;
the heavy metal detection device is used for detecting the heavy metal content of the sewage before the sewage is treated, and the sewage does not enter a treatment process when the heavy metal content is higher than a threshold value; the pH sensor is used for detecting the pH values of the comprehensive regulating tank and the USAB tank, and when the pH values of the comprehensive regulating tank and the UASB tank change, the controller sends a dosing instruction to control the dosing box to timely dose, and the pH value is regulated;
when the heavy metal content is lower than the threshold value, two kinds of sewage respectively pass through the first sewage water collecting circuit and the second sewage water collecting circuit to remove solid impurities, then the two kinds of sewage are converged into the comprehensive regulating tank, according to the pH values of the two kinds of sewage and the sewage liquid level in the comprehensive regulating tank, the first sewage water collecting circuit and the second sewage water collecting circuit enter the water inlet sequence of the comprehensive regulating tank, when the pH value of the sewage in the comprehensive regulating tank cannot be balanced through water inlet, the controller controls the dosing tank to dosing to regulate the pH value in the comprehensive regulating tank, the regulated sewage flows into the UASB tank, finally flows into the sedimentation tank to be settled, and finally the treated water is discharged into the water purifying tank.
Further, the detection flow of the heavy metal detection device comprises:
constructing a detection condition of a spectrum according to the fluorescence intensity of the element atoms to be detected, measuring the mass fraction of the element in the sewage according to the corresponding atomic fluorescence photometer, and calculating a spectrum processing standard parameter according to the measured data information so as to set the spectrum processing standard parameter;
establishing a corresponding spectrum adaptation structure, setting an adaptation environment, expanding the absorption range of atoms according to the corresponding element spectral line intensity characteristics, simultaneously acting the coupling inductance emission spectrum and the plasma emission spectrum on heavy metal particles in sewage, using corresponding lasers to break down the atomic elements of heavy metal substances absorbed in the spectrums, and using active carbon and other substances with adsorption force to perform physical adsorption so as to complete the construction of a coupling detection model;
and taking out the active enzyme according to the corresponding proportion, placing the active enzyme in a special porous container, then putting the active enzyme into the sewage, electrifying the sewage by using a conductivity meter, measuring the number of spectrum atoms at the moment by using a spectrometer, and calculating the detection precision according to the measured value and other data information to realize the heavy metal content detection of the sewage.
Further, in the calculation of the spectral processing standard parameters according to the measured data information, the calculation formula is as follows:
wherein P represents a spectrum processing standard parameter, beta represents an inertia index of a spectrum, r represents a measured mass fraction ratio, m represents an element maximum adaptation value, and n represents an element minimum adaptation value;
according to the measured numerical value and other data information, in the calculation of the precision of the detection, the calculation formula is as follows:
wherein M represents the precision of detection, d represents the enzyme activity reduction ratio, f represents the element fixed separation rate, and θ represents the laser suppression range.
Further, the first sewage water collecting line comprises a first sewage pool, a first grid pool and a first water collecting pool, wherein the first sewage pool is connected with the first grid pool, the first grid pool is connected with the first water collecting pool, and the first water collecting pool is connected with the comprehensive regulating pool;
the second sewage water collecting line comprises a second sewage tank, a second grating tank and a second water collecting tank, wherein the second sewage tank is connected with the second grating tank, the second grating tank is connected with the second water collecting tank, and the second water collecting tank is connected with the comprehensive regulating tank;
after removing solid impurities in the two kinds of sewage with the heavy metal content lower than the threshold value through the first grating pool and the second grating pool, respectively storing the two kinds of sewage in the first water collecting pool and the second water collecting pool, and converging the sewage into the comprehensive regulating pool.
Further, the sedimentation tank and the UASB tank are both connected with a sludge concentration tank, sludge generated by the UASB tank and the sedimentation tank is sent to the sludge concentration tank for treatment through a sludge pipeline, and the sludge is discharged from the sludge collection tank; the sludge concentration tank is connected with the sludge collection tank and is used for reducing the water content of the sludge so as to reduce the weight of the sludge.
Further, the oxygenation biochemical tank is provided with an air compressor and a dissolved oxygen analyzer, the air compressor and the dissolved oxygen analyzer are both connected with the controller, the dissolved oxygen analyzer is used for detecting the dissolved oxygen amount of the oxygenation biochemical tank, and when the dissolved oxygen amount is detected to be too low, the controller sends a control signal to control the air compressor to work, and air is blown into the oxygenation biochemical tank.
Further, the oxygenation biochemical tank and the UASB tank are both provided with temperature sensors, the temperature sensors are connected with the controller, the temperature sensors are used for detecting the temperature before water inflow and the temperature of sewage, and when the temperature is too high, water is added for cooling, so that the bacteria are guaranteed to always survive at the set temperature.
Further, the first effluent water sump, first grid pond, first catch basin, second effluent water sump, second grid pond, second catch basin, comprehensive regulation pond, USAB jar, oxygenation biochemical pond, sedimentation tank and water purification pond all are provided with level sensor, level sensor connects the controller, level sensor is used for detecting the liquid level in each pond, when the liquid level is not in the settlement scope, the water intaking valve or the play water valve motor work of adjacent pond around the controller control stabilize each pond liquid level.
The beneficial effects of the invention are as follows:
according to the invention, after solid impurities are removed from two kinds of sewage with heavy metal content lower than a threshold value through a first sewage water collecting line and a second sewage water collecting line respectively, converging the two kinds of sewage into the comprehensive regulating tank, according to the pH values of the two kinds of sewage and the sewage liquid level in the comprehensive regulating tank, enabling the first sewage water collecting line and the second sewage water collecting line to enter the water inlet sequence of the comprehensive regulating tank, when the pH value of the sewage in the comprehensive regulating tank cannot be balanced through water inlet, controlling a dosing tank to dosing to regulate the pH value in the comprehensive regulating tank, enabling the regulated sewage to flow into a UASB tank, finally flowing into a sedimentation tank to be settled, and finally discharging the treated water into a water purifying tank; the heavy metal detection device, the dosing tank and the pH sensor are connected with the controller to accurately control the sewage treatment process, so that the sewage treatment system equipment can accurately, stably and efficiently run, and the effluent quality is improved.
Drawings
FIG. 1 is a schematic diagram of the integrated and optimized treatment and system equipment for urban sewage.
Fig. 2 is a schematic diagram of a connection structure of a controller according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the invention provides integrated and optimized municipal sewage treatment and system equipment, which comprises a first sewage water collecting line, a second sewage water collecting line, a comprehensive regulating tank, a USAB (Up-flow Anaerobic Sludge Bed, an Up-flow anaerobic sludge bed) tank, an oxygenation biochemical tank, a sedimentation tank and a clean water tank, wherein the first sewage water collecting line and the second sewage water collecting line are both connected with the comprehensive regulating tank, the comprehensive regulating tank is connected with the USAB tank, the USAB tank is connected with the oxygenation biochemical tank, the oxygenation biochemical tank is connected with the sedimentation tank, and the sedimentation tank is connected with the clean water tank;
the first sewage line and the second sewage line are provided with heavy metal detection devices, the comprehensive regulating tank and the USAB tank are respectively provided with a dosing tank and a pH sensor, and the heavy metal detection devices, the dosing tank and the pH sensor are respectively connected with a controller (Programmable Logic Controller, PLC, programmable logic controller);
the heavy metal detection device is used for detecting the heavy metal content of the sewage before the sewage is treated, and the sewage does not enter a treatment process when the heavy metal content is higher than a threshold value; the pH sensor is used for detecting the pH values of the comprehensive regulating tank and the USAB tank, and when the pH values of the comprehensive regulating tank and the UASB tank change, the controller sends a dosing instruction to control the dosing box to timely dose, and the pH value is regulated;
the dosing box is a full-automatic two-cavity dosing box, control equipment in the dosing box determines dosing time and neutralization reaction time through control signals sent by the controller, and if the pH value does not meet control requirements after a certain neutralization reaction time, dosing treatment is controlled by the controller. The pH sensor is BT6108-pH sensor, each pool and UASB tank are equipped with pH sensor, and the pH sensor is processed by the controller and displayed in real time on the touch screen interface connected with the controller. When the pH of the comprehensive regulating tank and the UASB tank changes, the controller sends a dosing instruction, dosing is timely carried out, and the pH value is regulated.
When the heavy metal content is lower than the threshold value, two kinds of sewage respectively pass through the first sewage water collecting circuit and the second sewage water collecting circuit to remove solid impurities, then the two kinds of sewage are converged into the comprehensive regulating tank, according to the pH values of the two kinds of sewage and the sewage liquid level in the comprehensive regulating tank, the first sewage water collecting circuit and the second sewage water collecting circuit enter the water inlet sequence of the comprehensive regulating tank, when the pH value of the sewage in the comprehensive regulating tank cannot be balanced through water inlet, the controller controls the dosing tank to dosing to regulate the pH value in the comprehensive regulating tank, the regulated sewage flows into the UASB tank, finally flows into the sedimentation tank to be settled, and finally the treated water is discharged into the water purifying tank.
The first sewage water collecting line comprises a first sewage pool, a first grid pool and a first water collecting pool, wherein the first sewage pool is connected with the first grid pool, the first grid pool is connected with the first water collecting pool, and the first water collecting pool is connected with the comprehensive regulating pool; the second sewage water collecting line comprises a second sewage tank, a second grating tank and a second water collecting tank, wherein the second sewage tank is connected with the second grating tank, the second grating tank is connected with the second water collecting tank, and the second water collecting tank is connected with the comprehensive regulating tank; after removing solid impurities in the two kinds of sewage with the heavy metal content lower than the threshold value through the first grating pool and the second grating pool, respectively storing the two kinds of sewage in the first water collecting pool and the second water collecting pool, and converging the sewage into the comprehensive regulating pool.
The sedimentation tank and the UASB tank are both connected with a sludge concentration tank, sludge generated by the UASB tank and the sedimentation tank is sent to the sludge concentration tank for treatment through a sludge pipeline, and the sludge is discharged from the sludge collection tank; the sludge concentration tank is connected with the sludge collection tank and is used for reducing the water content of the sludge so as to reduce the weight of the sludge.
The device comprises an oxygenation biochemical tank, a controller, an air compressor and a dissolved oxygen analyzer, wherein the oxygenation biochemical tank is provided with the air compressor and the dissolved oxygen analyzer, the air compressor and the dissolved oxygen analyzer are both connected with the controller, the dissolved oxygen analyzer is used for detecting the dissolved oxygen amount of the oxygenation biochemical tank, and when the dissolved oxygen amount is detected to be too low, the controller sends a control signal to control the air compressor to work, and air is blown into the oxygenation biochemical tank.
The biochemical pond that adds oxygen and UASB jar all are provided with temperature sensor, temperature sensor connects the controller, temperature sensor is used for detecting the temperature before intaking and the temperature of sewage, when the temperature is too high, adds water cooling, guarantees that the thallus survives at the temperature of settlement all the time. The temperature sensor selects a negative temperature coefficient (Negative Temperature Coefficient, NTC) temperature sensor, and the temperature sensor is arranged in the UASB tank and the oxygenation biochemical pool and is used for detecting the temperature before water inflow and the temperature of sewage, and when the temperature is too high, water is added for cooling, so that the bacteria are ensured to always survive at a proper temperature.
The sewage treatment system comprises a first sewage tank, a first grid tank, a first water collecting tank, a second sewage tank, a second grid tank, a second water collecting tank, a comprehensive regulating tank, a USAB tank, an oxygenation biochemical tank, a sedimentation tank and a water purifying tank, wherein liquid level sensors are arranged on the first sewage tank, the first grid tank, the first water collecting tank, the second water collecting tank, the comprehensive regulating tank, the USAB tank, the oxygenation biochemical tank, the sedimentation tank and the water purifying tank, the liquid level sensors are connected with a controller, the liquid level sensors are used for detecting liquid levels of all tanks, and when the liquid levels are not in a set range, the controller controls a water inlet valve or a water outlet valve motor of the front and back adjacent tanks to work to stabilize the liquid levels of all tanks.
The controller is also connected with a touch display screen, and the touch display screen is used for displaying parameters such as the liquid level, the pH value, the dissolved oxygen amount, the temperature and the like of each pool in real time, and can manually set numerical values to operate the operation of each motor.
In the integrated and optimized treatment and system equipment for urban sewage, the grid pool is used for intercepting massive floaters and suspended matters in the sewage, so that the follow-up unit can be ensured to normally operate; the water collecting tank is responsible for collecting and storing sewage and balancing the sewage quality; the comprehensive regulating tank is used for regulating the pH value of the sewage, increasing the load capacity of a sewage treatment system and ensuring the survival of microorganisms in a biological treatment process; the UASB anaerobic tank not only can treat sewage, but also can generate methane, reduce the discharge amount of sludge, and the microorganisms perform aerobic respiration in the oxygenation biochemical tank, so that organic matters in the sewage can be removed; the sedimentation tank can effectively remove suspended matters in the sewage by utilizing sedimentation; the sludge concentration tank can reduce the water content of the sludge so as to reduce the weight of the sludge.
Before sewage enters treatment, heavy metal content in the sewage is detected by adopting a heavy metal detection device so as to determine whether the sewage enters a treatment process, wherein the detection process of the heavy metal detection device comprises the following steps of:
s1, setting treatment parameters of a spectrum, wherein the treatment parameters of the spectrum are required to be set before the heavy metal content of sewage is detected. The spectrum treatment is to break the heavy metal atom structure in the sewage by utilizing a spectrometer, and then to adsorb harmful pollutants by utilizing absorption atoms, so as to finally achieve the aim of eliminating decomposition.
Constructing a detection condition of a spectrum according to the fluorescence intensity of the element atoms to be detected, measuring the mass fraction of the element in the sewage according to the corresponding atomic fluorescence photometer, and calculating a spectrum processing standard parameter according to the measured data information so as to set the spectrum processing standard parameter; the calculation formula is as follows:
wherein P represents a spectrum processing standard parameter, beta represents an inertia index of a spectrum, r represents a measured mass fraction ratio, m represents an element maximum adaptation value, and n represents an element minimum adaptation value; and if the treatment value obtained under the same environment of the actual detection mass fraction is outside the standard, the content of the heavy metal element is relatively high, and the adsorption force of spectrum atoms is required to be increased.
S2, constructing a coupling detection model. Establishing a corresponding spectrum adaptation structure, laying a foundation for the operation of a detection model, setting an adaptation environment so that the whole atomic absorption can be carried out more smoothly, expanding the absorption range of atoms according to the corresponding element spectral line intensity characteristics, simultaneously acting a coupling inductance emission spectrum and a plasma emission spectrum on heavy metal particles in sewage, using corresponding lasers to break down the atomic elements of heavy metal substances absorbed in the spectrums, and using active carbon and other substances with adsorption force to carry out physical adsorption so as to complete the construction of the coupling detection model;
s3, detecting the heavy metal content by adopting an enzyme inhibition method. Taking out the active enzyme according to the corresponding proportion, placing the active enzyme in a special porous container, and then putting the active enzyme into sewage, so that the property and structure of heavy metal particles in the sewage are changed to the greatest extent, and the whole element is changed; then the electric conduction instrument is used for electrifying the sewage, the color of the sewage is changed, the corresponding density is also changed, the spectrometer is used for measuring the number of spectrum atoms at the moment, the precision of detection is calculated according to the measured value and other data information, the heavy metal content detection of the sewage is realized, and the calculation formula is as follows:
wherein M represents the precision of detection, d represents the enzyme activity reduction ratio, f represents the element fixed separation rate, θ represents the laser inhibition range, the precision of actual detection can be obtained through calculation, and the final detection result is analyzed by an immunoassay method to obtain the final result.
According to the invention, after solid impurities are removed from two kinds of sewage with heavy metal content lower than a threshold value through a first sewage water collecting line and a second sewage water collecting line respectively, converging the two kinds of sewage into the comprehensive regulating tank, according to the pH values of the two kinds of sewage and the sewage liquid level in the comprehensive regulating tank, enabling the first sewage water collecting line and the second sewage water collecting line to enter the water inlet sequence of the comprehensive regulating tank, when the pH value of the sewage in the comprehensive regulating tank cannot be balanced through water inlet, controlling a dosing tank to dosing to regulate the pH value in the comprehensive regulating tank, enabling the regulated sewage to flow into a UASB tank, finally flowing into a sedimentation tank to be settled, and finally discharging the treated water into a water purifying tank; the heavy metal detection device, the dosing tank and the pH sensor are connected with the controller to accurately control the sewage treatment process, so that the sewage treatment system equipment can accurately, stably and efficiently run, and the effluent quality is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, apparatus, article or method that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (8)
1. The integrated and optimized urban sewage treatment and system equipment is characterized by comprising a first sewage collecting line, a second sewage collecting line, a comprehensive regulating tank, a USAB tank, an oxygenation biochemical tank, a sedimentation tank and a clean water tank, wherein the first sewage collecting line and the second sewage collecting line are both connected with the comprehensive regulating tank, the comprehensive regulating tank is connected with the USAB tank, the USAB tank is connected with the oxygenation biochemical tank, the oxygenation biochemical tank is connected with the sedimentation tank, and the sedimentation tank is connected with the clean water tank;
the first sewage line and the second sewage line are provided with heavy metal detection devices, the comprehensive regulating tank and the USAB tank are respectively provided with a dosing tank and a pH sensor, and the heavy metal detection devices, the dosing tank and the pH sensor are respectively connected with a controller;
the heavy metal detection device is used for detecting the heavy metal content of the sewage before the sewage is treated, and the sewage does not enter a treatment process when the heavy metal content is higher than a threshold value; the pH sensor is used for detecting the pH values of the comprehensive regulating tank and the USAB tank, and when the pH values of the comprehensive regulating tank and the UASB tank change, the controller sends a dosing instruction to control the dosing box to timely dose, and the pH value is regulated;
when the heavy metal content is lower than the threshold value, two kinds of sewage respectively pass through the first sewage water collecting circuit and the second sewage water collecting circuit to remove solid impurities, then the two kinds of sewage are converged into the comprehensive regulating tank, according to the pH values of the two kinds of sewage and the sewage liquid level in the comprehensive regulating tank, the first sewage water collecting circuit and the second sewage water collecting circuit enter the water inlet sequence of the comprehensive regulating tank, when the pH value of the sewage in the comprehensive regulating tank cannot be balanced through water inlet, the controller controls the dosing tank to dosing to regulate the pH value in the comprehensive regulating tank, the regulated sewage flows into the UASB tank, finally flows into the sedimentation tank to be settled, and finally the treated water is discharged into the water purifying tank.
2. The integrated and optimized municipal sewage treatment and system device according to claim 1, wherein the heavy metal detection device comprises:
constructing a detection condition of a spectrum according to the fluorescence intensity of the element atoms to be detected, measuring the mass fraction of the element in the sewage according to the corresponding atomic fluorescence photometer, and calculating a spectrum processing standard parameter according to the measured data information so as to set the spectrum processing standard parameter;
establishing a corresponding spectrum adaptation structure, setting an adaptation environment, expanding the absorption range of atoms according to the corresponding element spectral line intensity characteristics, simultaneously acting the coupling inductance emission spectrum and the plasma emission spectrum on heavy metal particles in sewage, using corresponding lasers to break down the atomic elements of heavy metal substances absorbed in the spectrums, and using active carbon and other substances with adsorption force to perform physical adsorption so as to complete the construction of a coupling detection model;
and taking out the active enzyme according to the corresponding proportion, placing the active enzyme in a special porous container, then putting the active enzyme into the sewage, electrifying the sewage by using a conductivity meter, measuring the number of spectrum atoms at the moment by using a spectrometer, and calculating the detection precision according to the measured value and other data information to realize the heavy metal content detection of the sewage.
3. The integrated optimization treatment and system equipment for urban sewage according to claim 2, wherein in the calculation of the standard parameters of the spectral treatment according to the measured data information, the calculation formula is:
wherein P represents a spectrum processing standard parameter, beta represents an inertia index of a spectrum, r represents a measured mass fraction ratio, m represents an element maximum adaptation value, and n represents an element minimum adaptation value;
according to the measured numerical value and other data information, in the calculation of the precision of the detection, the calculation formula is as follows:
wherein M represents the precision of detection, d represents the enzyme activity reduction ratio, f represents the element fixed separation rate, and θ represents the laser suppression range.
4. The integrated and optimized municipal sewage treatment and system device according to claim 1, wherein the first sewage collection line comprises a first sewage tank, a first grid tank and a first water collection tank, wherein the first sewage tank is connected with the first grid tank, the first grid tank is connected with the first water collection tank, and the first water collection tank is connected with the comprehensive regulation tank;
the second sewage water collecting line comprises a second sewage tank, a second grating tank and a second water collecting tank, wherein the second sewage tank is connected with the second grating tank, the second grating tank is connected with the second water collecting tank, and the second water collecting tank is connected with the comprehensive regulating tank;
after removing solid impurities in the two kinds of sewage with the heavy metal content lower than the threshold value through the first grating pool and the second grating pool, respectively storing the two kinds of sewage in the first water collecting pool and the second water collecting pool, and converging the sewage into the comprehensive regulating pool.
5. The integrated and optimized municipal sewage treatment and system device according to claim 1, wherein the sedimentation tank and the UASB tank are connected with a sludge concentration tank, sludge generated by the UASB tank and the sedimentation tank is sent to the sludge concentration tank for treatment through a sludge pipeline, and the sludge is discharged from the sludge collection tank; the sludge concentration tank is connected with the sludge collection tank and is used for reducing the water content of the sludge so as to reduce the weight of the sludge.
6. The integrated and optimized municipal sewage treatment and system device according to claim 1, wherein the oxygenation biochemical tank is provided with an air compressor and a dissolved oxygen analyzer, the air compressor and the dissolved oxygen analyzer are both connected with the controller, the dissolved oxygen analyzer is used for detecting the dissolved oxygen amount of the oxygenation biochemical tank, and when detecting that the dissolved oxygen amount is too low, the controller sends a control signal to control the air compressor to work and blow air into the oxygenation biochemical tank.
7. The integrated and optimized municipal sewage treatment and system device according to claim 1, wherein the oxygenation biochemical tank and the UASB tank are respectively provided with a temperature sensor, the temperature sensors are connected with the controller, the temperature sensors are used for detecting the temperature before water inflow and the temperature of sewage, and when the temperature is too high, water is added for cooling, so that the bacteria are always living at the set temperature.
8. The integrated and optimized municipal sewage treatment and system device according to claim 4, wherein the first sewage tank, the first grid tank, the first water collecting tank, the second sewage tank, the second grid tank, the second water collecting tank, the comprehensive adjusting tank, the USAB tank, the oxygenation biochemical tank, the sedimentation tank and the clean water tank are all provided with liquid level sensors, the liquid level sensors are connected with the controller, the liquid level sensors are used for detecting the liquid level of each tank, and when the liquid level is not in a set range, the controller controls the water inlet valve or the water outlet valve motor of the front and rear adjacent tanks to work so as to stabilize the liquid level of each tank.
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