CN115494207A - Intelligent early warning regulation and control system and regulation and control method for toxicity of inlet water of sewage plant - Google Patents
Intelligent early warning regulation and control system and regulation and control method for toxicity of inlet water of sewage plant Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000010865 sewage Substances 0.000 title claims abstract description 82
- 231100000419 toxicity Toxicity 0.000 title claims abstract description 39
- 230000001988 toxicity Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000006864 oxidative decomposition reaction Methods 0.000 claims abstract description 41
- 230000002159 abnormal effect Effects 0.000 claims abstract description 23
- 239000004576 sand Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 230000001276 controlling effect Effects 0.000 claims abstract description 7
- 238000004062 sedimentation Methods 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 15
- 230000003647 oxidation Effects 0.000 claims description 13
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 11
- 239000000126 substance Substances 0.000 description 7
- 230000004103 aerobic respiration Effects 0.000 description 5
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000003440 toxic substance Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241000108664 Nitrobacteria Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses an intelligent early warning and regulating system for toxicity of inlet water of a sewage plant, which comprises a filtering and sand settling system, a water inlet pipeline and a water outlet pipeline, wherein the filtering and sand settling system is used for filtering and settling sewage; the pretreatment system is used for storing the sewage with abnormal toxicity; an oxidative decomposition system for performing oxidative decomposition of the sewage; the dynamic adjusting system is used for adjusting the running speed of the oxidative decomposition system; the detection control system is used for detecting the toxicity of the sewage and controlling the pretreatment system, the oxidative decomposition system and the dynamic regulation system to be turned on and off, and the regulation and control system can be used for detecting the ORU value of the sewage and switching between a first working mode and a second working mode. The invention also discloses an intelligent early warning and regulation method for the toxicity of the inlet water of the sewage plant, which comprises the steps of detecting the OUR value of the quality of the inlet water; if the OUR value accords with the detection reference interval, starting a first working mode; and if the OUR value does not accord with the detection reference interval, starting a second working mode. The regulation and control method improves the sewage treatment efficiency and ensures that the effluent quality is stable and reaches the standard for a long time.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to an intelligent early warning regulation and control system and a control method for toxicity of inlet water of a sewage plant.
Background
For a long time, the secondary biological treatment of municipal sewage treatment plants mostly adopts an activated sludge method, and has the advantages of simple treatment process, low operation cost, simple operation and maintenance and the like. However, with the acceleration of the industrialization process in China, municipal sewage treatment plants are more or less responsible for treating part of industrial wastewater, and for some municipal sewage plants, the industrial wastewater accounts for a lot of water inflow, the components are complex, and the water inflow path is easy to be polluted, so that the water inflow abnormal impact is easy to exist, the normal operation of the system is seriously affected, and the treatment efficiency of the biochemical system is reduced due to the water inflow abnormality, and the biochemical system is even more likely to be paralyzed due to the condition. The general sewage plant can only adopt an emergency dosing mode to ensure that the effluent reaches the standard for the abnormal impact of the inflow load, the dose of the emergency dosing agent is closely related to the impact severity of the system, the inflow water is impacted and is preferentially expressed as that the activity of nitrobacteria is inhibited, and the nitrification efficiency is reduced; the removal rate of COD (chemical oxygen demand) for sludge deflocculation is reduced after continuous impact, the dosage must be increased to ensure that the COD of the effluent reaches the standard, the operation cost of a sewage plant is greatly increased, and continuous and stable standard reaching cannot be ensured. In order to avoid the influence of abnormal impact load, ensure the stable standard of the effluent and reduce the operation cost, the system which quickly warns the sudden change of the water quality and quickly processes the abnormal condition through a sewage plant central control system is very important.
At present, sewage plants have a lot of substances with inhibiting effect on an activated sludge system, most of the substances cannot be detected through an online instrument, and the detection of toxic substances cannot be completed in time due to the limitation of long period or high cost by a chemical method.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an intelligent early warning regulation and control system and a regulation and control method for the toxicity of inlet water of a sewage plant, and aims to solve the following technical problems in the prior art:
(1) The instrument is adopted to detect sewage, so that the online function cannot be realized, the chemical method is limited by long period or high cost, and the detection of toxic substances cannot be completed in time.
(2) When the water inlet load is abnormal, the conventional dosing treatment mode cannot ensure that the quality of the outlet water continuously and stably reaches the standard, and the operation cost of sewage treatment is greatly increased.
The invention is realized by adopting the following technical scheme:
an intelligent early warning and regulating system for the toxicity of inlet water of sewage plant comprises,
the filtering and sand settling system is used for carrying out preliminary filtering and settling on the sewage;
the pretreatment system is used for storing the sewage with abnormal toxicity;
the oxidative decomposition system is used for carrying out oxidative decomposition on the sewage;
the dynamic adjusting system is used for adjusting the running speed of the oxidative decomposition system;
the detection control system is used for detecting the OUR value of the sewage entering the filtering and sand settling system and controlling the opening and closing of the pretreatment system, the oxidation decomposition system and the dynamic regulation system;
the filtration sediment system is connected with pretreatment system, oxidation governing system tube coupling respectively, pretreatment system and oxidation governing system tube coupling, detection control system sets up on the inlet tube way of filtration sediment system, on pretreatment system's the inlet tube way and the inlet tube way of oxidative decomposition system, dynamic regulation system is connected with detection control system.
The detection control system is used for firstly carrying out OUR value rapid detection on the quality of sewage entering the filtration and sand sedimentation system, and then controlling the pretreatment system and the dynamic regulation system to be opened and closed according to whether the OUR value is abnormal or not, so that the optimized treatment process of the sewage with the abnormal OUR value is realized, the impact of the sewage with the abnormal OUR value on the oxidative decomposition system is reduced, the running speed of the sewage with the abnormal OUR value in the optimized treatment process meets the running load of the oxidative decomposition system, the combined process of water quality detection and shunt treatment is realized, the sewage treatment effect is improved, the running cost is reduced, and the quality of the effluent can continuously and stably reach the standard.
In order to optimize the technical scheme, the specific measures adopted further comprise:
furthermore, the filtering and sand settling system and the oxidation decomposition system form a first working mode, the filtering and sand settling system, the pretreatment system, the oxidation decomposition system and the dynamic regulation system form a second working mode, and the detection control system is used for regulating the first working mode and the second working mode to run alternately. The first working mode and the second working mode can only be operated separately, one working mode is used for treating sewage with abnormal OUR value, the second working mode is used for treating sewage with abnormal OUR value, and the switching of the first working mode and the second working mode is realized by a detection control system.
Furthermore, filter sediment system is including the filtering ponds and the whirl sedimentation tank that connect gradually, it has thick grid, thin grid in proper order to set up along the rivers direction in the filtering ponds. The filtering tank is used for carrying out primary filtration of sewage.
Furthermore, the pretreatment system comprises an accident pool and a submersible pump, wherein the water inlet end of the accident pool is connected with the rotational flow sedimentation pool, the water outlet end of the accident pool is connected with the oxidative decomposition system, and the submersible pump is arranged between the accident pool and the oxidative decomposition system. The accident pool is used for temporarily storing the sewage with abnormal ORU value, and the submersible pump is used for conveying the sewage with abnormal ORU value to the oxidative decomposition system at a proper speed so as to meet the running load of the oxidative decomposition system.
Furthermore, the oxidative decomposition system comprises an adjusting tank, an AAO biological tank, a secondary sedimentation tank and an advanced treatment tank which are sequentially connected, wherein the water inlet end of the adjusting tank is respectively connected with the rotational flow sedimentation tank and the accident tank through pipelines, and the AAO biological tank is connected with the dynamic adjusting system. The oxidative decomposition system carries out oxidative decomposition on the sewage by using a biological method.
Further, the dynamic adjustment system comprises an aeration fan and a flow control valve, the aeration fan is connected with the AAO biological pool, and the flow control valve is arranged between the AAO biological pool and the aeration fan. When the dynamic adjustment system is started, the running speed of the oxidative decomposition system at the moment needs to be adjusted to meet the treatment process of the sewage with abnormal ORU value, the flow regulating valve is regulated, the aeration fan is started, the organic matters and ammonia nitrogen in the sewage are fully degraded, and the effluent quality is ensured to reach the standard.
Further, detection control system includes sampling pump, good oxygen breathing rate appearance, control module, first electric butterfly valve and second electric butterfly valve, the sampling pump sets up on the water inlet pipe of filtering ponds, good oxygen breathing rate appearance is connected with the sampling pump, first electric butterfly valve sets up between whirl sedimentation tank and accident pool, second electric butterfly valve sets up between whirl sedimentation tank and equalizing basin, good oxygen breathing rate appearance, first electric butterfly valve, second electric butterfly valve, flow control valve all are connected with control module. The detection control system comprises three parts, wherein a first part aerobic respiration rate instrument is used for detecting the ORU value of the sewage, a second part first electric butterfly valve and a second electric butterfly valve are used for controlling the on-off of the pretreatment system and the oxidative decomposition system, and a third part control module is used for controlling the operation and the closing of the first part and the second part.
Furthermore, the control module adopts a remote control terminal.
An intelligent early warning and regulation method for toxicity of influent water of a sewage plant comprises the following steps:
detecting the OUR value of the inflow water quality, and comparing the OUR value with a detection reference interval;
if the OUR value accords with the detection reference interval, starting a first working mode;
and if the OUR value does not accord with the detection reference interval, starting a second working mode.
Further, the detection reference interval specifically includes:
intermittently measuring OUR value of the water quality of the inlet water;
screening the OUR value of the inlet water which reaches the standard;
and calculating the average value of the OUR values of the inlet water quality reaching the standard and the variation amplitude of the OUR to form a detection reference interval.
The invention has the beneficial effects that:
compared with the prior art, the intelligent early warning and regulation system for the water inlet toxicity of the sewage plant can rapidly detect the OUR value of the inlet sewage by using the detection control system, judge whether the water quality toxicity of the inlet sewage accords with a detection reference interval (namely whether the water quality toxicity exceeds the operation load of the oxidative decomposition system), simultaneously detect the data on the synchronous shared control module, control the opening and closing of the first electric butterfly valve and the second electric butterfly valve through the control module, realize the shunting and deceleration treatment of abnormal sewage, and further meet the operation load of the oxidative analysis system. According to the intelligent early warning and regulation system for the water inlet toxicity of the sewage plant, the dynamic detection reference interval is set, the switching operation of the first working mode and the second working mode is optimized more reasonably, the sewage treatment efficiency is improved, and the quality of outlet water is guaranteed to reach the standard stably for a long time.
Drawings
FIG. 1 is a process connection diagram of an intelligent early warning and regulation system for toxicity of influent water of a sewage plant according to a first embodiment of the present invention.
Fig. 2 is a schematic view of a working flow of an intelligent early warning and control method for toxicity of influent water of a sewage plant in a second embodiment of the present invention.
Fig. 3 is a schematic flow chart illustrating the setting of the detection reference interval in the intelligent early warning and control method for toxicity of influent water of a sewage plant according to the second embodiment of the present invention.
The reference signs are: the system comprises a filter tank 1, a rotational flow sedimentation tank 2, an accident tank 3, an adjusting tank 4, an AAO biological tank 5, a secondary sedimentation tank 6, a deep treatment tank 7, an aeration fan 8, an aerobic respiration rate instrument 9, a control module 10, a sampling pump 11, a first electric butterfly valve 12, a second electric butterfly valve 13, a submersible pump 14 and a flow adjusting valve 15.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
First embodiment
Referring to fig. 1 to 3, the present invention provides an intelligent early warning and control system for toxicity of influent water of a sewage plant, which can detect the ORU value of sewage and switch between a first operation mode and a second operation mode according to whether the ORU value is abnormal or not.
As shown in fig. 1, an intelligent early warning and regulation system for toxicity of influent water of a sewage plant comprises,
the filtering and settling system is used for carrying out primary filtering and settling on the sewage;
the pretreatment system is used for storing the sewage with abnormal toxicity;
the oxidative decomposition system is used for carrying out oxidative decomposition on the sewage;
the dynamic adjusting system is used for adjusting the running speed of the oxidative decomposition system;
the detection control system is used for detecting the toxicity of the sewage entering the filtering and sand settling system and controlling the pretreatment system, the oxidative decomposition system and the dynamic regulation system to be opened and closed;
the filtering and sand settling system is respectively connected with the pretreatment system and the oxidation regulation system through pipelines, the pretreatment system is connected with the oxidation regulation system through pipelines, the detection control system is arranged on a water inlet pipeline of the filtering and sand settling system, a water inlet pipeline of the pretreatment system and a water inlet pipeline of the oxidation decomposition system, and the dynamic regulation system is connected with the detection control system.
Based on the condition that the ORU value of the sewage is abnormal, the sewage with the abnormal ORY value can not be directly connected to the oxidative decomposition system, therefore, the regulation and control system needs to be divided to meet the treatment requirements of different water qualities, the filtering sand settling system and the oxidative decomposition system form a first working mode, the filtering sand settling system, the pretreatment system, the oxidative decomposition system and the dynamic regulation system form a second working mode, and the detection control system is used for regulating the first working mode and the second working mode to run alternately.
The filtering and sand settling system comprises a filtering tank 1 and a rotational flow sedimentation tank 2 which are connected in sequence, wherein a coarse grid and a fine grid are arranged in the filtering tank 1 in sequence along the water flow direction. The pretreatment system comprises an accident pool 3 and a submersible pump 14, wherein the water inlet end of the accident pool 3 is connected with the vortex sedimentation pool 2, the water outlet end of the accident pool 3 is connected with the oxidative decomposition system, and the submersible pump 14 is arranged between the accident pool 3 and the oxidative decomposition system. The oxidative decomposition system comprises an adjusting tank 4, an AAO biological tank 5, a secondary sedimentation tank 6 and an advanced treatment tank 7 which are connected in sequence, wherein the water inlet end of the adjusting tank 4 is respectively connected with the rotational flow sedimentation tank 2 and the accident tank 3 through pipelines, and the AAO biological tank 5 is connected with the dynamic adjusting system. The dynamic regulation system comprises an aeration fan 8 and a flow regulating valve 15, the aeration fan 8 is connected with the AAO biological pool 5, and the flow regulating valve 15 is arranged between the AAO biological pool 5 and the aeration fan 8. Detection control system includes sampling pump 11, good oxygen respiration rate appearance 9, control module 10, first electric butterfly valve 12 and second electric butterfly valve 13, sampling pump 11 sets up on filtering ponds 1's the inlet tube way, good oxygen respiration rate appearance 9 is connected with sampling pump 11, first electric butterfly valve 12 sets up between whirl sedimentation tank 2 and accident pool 3, second electric butterfly valve 13 sets up between whirl sedimentation tank 2 and equalizing basin 4, good oxygen respiration rate appearance 9, first electric butterfly valve 12, second electric butterfly valve 13, flow control valve 15 all is connected with control module 10. Wherein the control module 10 adopts a remote control terminal.
During working, sewage firstly enters a filtering tank 1 and a rotational flow sedimentation tank 2 in a filtering and sand settling system for filtering and sedimentation treatment, a sampling pump 11 is used for sampling at a water inlet of the filtering tank 1, an aerobic respiration rate instrument 9 is used for detecting and analyzing water quality OUR values, the detection and analysis results comprise three types, the OUR value of the first type of water quality is within a normal range value, the OUR value of the second type of water quality exceeds the normal range value (namely the numerical value of the aerobic respiration rate instrument 9 is sharply increased), the water inlet load is greatly increased at the moment, the OUR value of the third type of water quality is lower than the normal range value (namely the numerical value of the aerobic respiration rate instrument 9 is sharply decreased), and the water inlet load is reduced and contains toxic and harmful substances to inhibit microorganisms at the moment.
For the first water quality, the inlet water does not contain toxic substances, the process operation parameters are not required to be adjusted, the first electric butterfly valve 12 is opened, the second electric butterfly valve 13 is closed, and the first working mode is started for conventional treatment;
to second kind of quality of water, through measures such as increasing the aeration rate, reducing the load of intaking, ensure that organic matter and ammonia nitrogen in the intaking fully degrade, guarantee that water quality of water is up to standard, open first electric butterfly valve 12 this moment, close second electric butterfly valve 13, start first mode and handle, open flow control valve 15 simultaneously, start aeration fan 8.
For the third water quality, the strength of the toxicity of the inlet water is judged according to the measured OUR value, when the toxicity is strong, the accident pool 3 is opened through the control module 10, the adjusting pool 4 is closed, the inlet water with strong toxicity enters the accident pool 3 for temporary storage, the sewage containing toxic and harmful substances is prevented from directly entering the oxidative decomposition system, namely, the first electric valve is closed, the second electric valve is opened, the second working mode is started for treatment, in the second mode treatment process, the sewage with abnormal OUR value temporarily stored in the accident pool 3 is conveyed to the oxidative decomposition system through the submersible pump 14 at a proper speed, so that the running load of the oxidative decomposition system is met, and the aeration fan 8 is adjusted at a reasonable speed for aeration, so that the organic matters and ammonia nitrogen in the sewage are fully degraded, and the outlet water quality is ensured to reach the standard.
Second embodiment
Referring to fig. 1 to 3, the embodiment provides an intelligent early warning and regulation method for toxicity of influent water of a sewage plant, which can set a dynamic detection reference interval according to the workload of an oxidative decomposition system and by combining the detected OUR value of sewage, so as to more reasonably optimize the switching operation of a first working mode and a second working mode, improve the sewage treatment efficiency, and ensure that the effluent quality can reach the standard stably for a long time.
An intelligent early warning and regulation method for toxicity of influent water of a sewage plant comprises the following steps:
s1, detecting the OUR value of the inflow water quality, and comparing the OUR value with a detection reference interval;
s2, if the OUR value accords with the detection reference interval, starting a first working mode;
and S3, if the OUR value does not accord with the detection reference interval, starting a second working mode.
The setting of the detection reference interval specifically includes:
intermittently measuring OUR value of the water quality of the inlet water;
screening OUR value of inlet water quality reaching the standard;
and calculating the average value of the OUR values of the inlet water quality reaching the standard and the variation amplitude of the OUR to form a detection reference interval.
It should be understood that this embodiment is a method example corresponding to the first embodiment, and that this embodiment may be implemented in cooperation with the first embodiment. The related technical details mentioned in the first embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of this patent to add insignificant modifications or introduce insignificant designs to the algorithms or processes, but not to change the core designs of the algorithms and processes.
The foregoing are embodiments of the present invention and are not intended to limit the scope of the invention to the particular forms set forth in the specification, which are set forth in the claims below, but rather are to be construed as the full breadth and scope of the claims, as defined by the appended claims, as defined in the appended claims, in order to provide a thorough understanding of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a sewage plant toxicity intelligent early warning regulation and control system of intaking which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the filtering and sand settling system is used for carrying out preliminary filtering and settling on the sewage;
the pretreatment system is used for storing the sewage with abnormal toxicity;
the oxidative decomposition system is used for carrying out oxidative decomposition on the sewage;
the dynamic adjusting system is used for adjusting the running speed of the oxidative decomposition system;
the detection control system is used for detecting the toxicity of the sewage entering the filtering and sand settling system and controlling the pretreatment system, the oxidation and decomposition system and the dynamic regulation system to be opened and closed;
the filtration sediment system is connected with pretreatment system, oxidation governing system tube coupling respectively, pretreatment system and oxidation governing system tube coupling, detection control system sets up on the inlet tube way of filtration sediment system, on pretreatment system's the inlet tube way and the inlet tube way of oxidative decomposition system, dynamic regulation system is connected with detection control system.
2. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 1, which is characterized in that: the filtering and sand settling system and the oxidation decomposition system form a first working mode, the filtering and sand settling system, the pretreatment system, the oxidation decomposition system and the dynamic regulation system form a second working mode, and the detection control system is used for regulating the first working mode and the second working mode to alternately operate.
3. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 2, wherein: the filtering and sand settling system comprises a filtering tank and a rotational flow sedimentation tank which are sequentially connected, wherein a coarse grating and a fine grating are sequentially arranged in the filtering tank along the water flow direction.
4. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 3, wherein: the pretreatment system comprises an accident pool and a submersible pump, wherein the water inlet end of the accident pool is connected with the rotational flow sedimentation pool, the water outlet end of the accident pool is connected with the oxidative decomposition system, and the submersible pump is arranged between the accident pool and the oxidative decomposition system.
5. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 4, wherein: the oxidative decomposition system comprises an adjusting tank, an AAO biological tank, a secondary sedimentation tank and an advanced treatment tank which are sequentially connected, wherein the water inlet end of the adjusting tank is respectively connected with the rotational flow sedimentation tank and the accident tank through pipelines, and the AAO biological tank is connected with the dynamic adjusting system.
6. The intelligent early warning and regulating system for toxicity of influent water of sewage treatment plant as claimed in claim 5, wherein: the dynamic adjusting system comprises an aeration fan and a flow adjusting valve, the aeration fan is connected with the AAO biological pool, and the flow adjusting valve is arranged between the AAO biological pool and the aeration fan.
7. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 6, wherein: it includes sampling pump, good oxygen breathing rate appearance, control module, first electric butterfly valve and second electric butterfly valve to detect control system, the sampling pump sets up on the water inlet pipe of filtering ponds, good oxygen breathing rate appearance is connected with the sampling pump, first electric butterfly valve sets up between whirl sedimentation tank and accident pool, second electric butterfly valve sets up between whirl sedimentation tank and equalizing basin, good oxygen breathing rate appearance, first electric butterfly valve, second electric butterfly valve, flow control valve all are connected with control module.
8. The intelligent early warning and regulation and control system for toxicity of influent water of a sewage plant of claim 7, wherein: the control module adopts a remote control terminal.
9. An intelligent early warning and regulation method for toxicity of inlet water of a sewage plant is characterized by comprising the following steps:
detecting the OUR value of the water quality of the inlet water, and comparing the OUR value with a detection reference interval;
if the OUR value accords with the detection reference interval, starting a first working mode;
and if the OUR value does not accord with the detection reference interval, starting a second working mode.
10. The intelligent early warning and regulation and control method for toxicity of influent water of a sewage plant as claimed in claim 9, wherein the determination of the detection reference interval specifically comprises:
intermittently measuring OUR value of the water quality of the inlet water;
screening OUR value of inlet water quality reaching the standard;
and calculating the average value of the OUR values of the inlet water quality reaching the standard and the variation amplitude of the OUR to form a detection reference interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199351.0A CN115494207A (en) | 2022-09-29 | 2022-09-29 | Intelligent early warning regulation and control system and regulation and control method for toxicity of inlet water of sewage plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199351.0A CN115494207A (en) | 2022-09-29 | 2022-09-29 | Intelligent early warning regulation and control system and regulation and control method for toxicity of inlet water of sewage plant |
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| CN117247140A (en) * | 2023-11-02 | 2023-12-19 | 中原环保股份有限公司 | Sewage treatment early warning device that intakes |
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