CN115092995B - Intelligent disinfection system for secondary water supply pump station and use method - Google Patents
Intelligent disinfection system for secondary water supply pump station and use method Download PDFInfo
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- CN115092995B CN115092995B CN202210798528.2A CN202210798528A CN115092995B CN 115092995 B CN115092995 B CN 115092995B CN 202210798528 A CN202210798528 A CN 202210798528A CN 115092995 B CN115092995 B CN 115092995B
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- sodium hypochlorite
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000001257 hydrogen Substances 0.000 claims abstract description 69
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 69
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 45
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 45
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000029087 digestion Effects 0.000 claims abstract description 30
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 69
- 239000000460 chlorine Substances 0.000 claims description 69
- 229910052801 chlorine Inorganic materials 0.000 claims description 69
- 238000012549 training Methods 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000013527 convolutional neural network Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000011144 upstream manufacturing 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses an intelligent disinfection system of a secondary water supply pump station and a use method thereof, relates to the technical field of disinfection equipment, solves the problems of low adaptability and high disinfection pressure of the existing disinfection system of the secondary water supply station, improves the flexible and reliable capacity of the disinfection system, and adopts the following specific scheme: including setting up in the secondary working shaft station be used for to the disinfection machine of adding sodium hypochlorite in the inlet tube and set up the remote control terminal outside the station, the fixed hydrogen digestion device that is equipped with in top of disinfection machine, hydrogen digestion device is connected with the blast pipe of disinfection machine, and the fixed hydrogen alarm that is equipped with in hydrogen digestion device top, the disinfection machine is connected with remote control terminal through wireless transmission's mode, remote control terminal is used for combining time, the water information prediction in the inlet tube to throw the dosage and control disinfection machine to throw the dosage.
Description
Technical Field
The invention relates to the technical field of disinfection equipment, in particular to an intelligent disinfection system for a secondary water supply pump station and a use method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The secondary water supply pump station can supply water to urban public water supply or self-built facilities through storage and pressurization, and then supply water to users or self-use users through pipelines, and mainly aims to compensate for pressure deficiency of municipal water supply pipelines, so that water consumption of residences and living in high-rise people is guaranteed.
The inventors have found that the water quality is more easily contaminated than the raw water supply, since the secondary water supply needs to undergo a storage and pumping process. Most urban secondary water supply stations are built in basements of high-rise apartments, the areas are narrow, the environments are closed, users are closely attached, and as chlorine disinfection, chlorine dioxide disinfection and finished sodium hypochlorite solution (the effective chlorine concentration is 5% -10%) all face the problems of dangerous chemicals or easy drug preparation management, the traditional chlorine supplementing measures are not suitable for disinfection of secondary water supply pump stations, and on-site electrolysis of saline solution is used for preparing sodium hypochlorite solution (the effective chlorine is 0.4-0.8%, and the non-dangerous chemicals) and the generated hydrogen cannot be discharged, so that the use of the sodium hypochlorite solution in the secondary water supply pump stations is limited;
the secondary water supply has the characteristic that the water quantity and the residual chlorine quantity change in different time periods to be large, some stations cannot guarantee that the free chlorine content of user terminal water meets the requirement that the free chlorine content is more than or equal to 0.05mg/L specified in sanitary Standard for domestic Drinking Water in the whole year or in a certain quarter, in addition, compared with the old version of the novel standard for sanitary Standard for domestic Drinking Water in GB5749-2022, the concentration of free chlorine in factory water is limited to be reduced from 4mg/L to 2mg/L, the disinfectant addition limit value of a water plant is reduced, the disinfection pressure of a secondary water supply station is further increased, and the requirement on a self-control system of disinfection equipment is very sensitive and reliable.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide an intelligent disinfection system for a secondary water supply station and a use method thereof, wherein a prediction model is built through autonomous learning, and the addition amount is predicted through the prediction model, so that the problems of low adaptability and high disinfection pressure of the existing disinfection system for the secondary water supply station are solved.
In order to achieve the above object, the present invention is realized by the following technical scheme:
in a first aspect, the invention provides an intelligent disinfection system of a secondary water supply pump station, which comprises a disinfection machine arranged in the secondary water supply pump station and used for adding sodium hypochlorite into a water inlet pipe, and a remote control terminal arranged outside the secondary water supply pump station, wherein the top of the disinfection machine is fixedly provided with a hydrogen digestion device, the hydrogen digestion device is connected with an exhaust pipe of the disinfection machine, a hydrogen alarm is fixedly arranged above the hydrogen digestion device, the disinfection machine is connected with the remote control terminal in a wireless transmission mode, and the remote control terminal is used for predicting the adding amount and controlling the adding of the disinfection machine in combination with time and water information in the water inlet pipe.
As a further implementation mode, the hydrogen digestion device is composed of a protective shell and a reaction tank fixedly arranged in the protective shell, a catalyst is arranged in the reaction tank, an air inlet and a hydrogen inlet connected with an exhaust pipe of the sterilizer are arranged at the bottom of the reaction tank, a discharge port is arranged at the top of the reaction tank, and the discharge port is located under the hydrogen alarm.
As a further implementation mode, the sterilizer consists of a sterilizer host, a control module arranged in the sterilizer host, an electrolytic tank for electrolyzing saline water, a sodium hypochlorite storage tank for storing prepared sodium hypochlorite solution and a dosing pump, wherein the control module is connected with a remote control terminal through a wireless sensing module and is also connected with the sodium hypochlorite storage tank and the dosing pump, and the dosing pump is used for throwing the sodium hypochlorite solution in the sodium hypochlorite storage tank into a water inlet pipe through a filling pipe.
As a further implementation mode, the water inlet pipe is communicated with the water tank of the secondary water supply station, a temperature sensor, a water outlet residual chlorine instrument, a water inlet residual chlorine instrument and an electromagnetic flowmeter are arranged on the water inlet pipe, and the temperature sensor, the water outlet residual chlorine instrument, the water inlet residual chlorine instrument and the electromagnetic flowmeter are all connected with the control module.
As a further implementation mode, the electromagnetic flowmeter, the temperature sensor and the water inlet residual chlorine instrument are arranged on the water inlet side of the water tank of the secondary water supply station, and the water outlet residual chlorine instrument is arranged on the water outlet side of the water tank of the secondary water supply station.
As a further implementation manner, the hydrogen alarm is fixedly arranged on a wall body in the secondary water supply pump station chamber.
As a further implementation manner, the hydrogen alarming device is connected with the sterilizer in a wired manner and is used for monitoring the hydrogen concentration.
In a second aspect, the invention provides a use method of an intelligent disinfection system of a secondary water supply pump station, which comprises the following steps:
the remote control terminal establishes an addition quantity prediction model by training a convolutional neural network;
the control module receives and transmits the water information in the water inlet pipe of the secondary water supply pump station to the remote control terminal, and the remote control terminal predicts the adding amount of sodium hypochlorite by combining the received water information and the date and time and transmits the prediction result to the control module;
the control module controls the adding pump to add the sodium hypochlorite into the water inlet pipe according to the predicted adding amount.
As a further implementation manner, the establishment process of the addition quantity prediction model is as follows:
respectively establishing a training sample database and a test sample database by using a data array of date-time-water temperature-flow-water inlet residual chlorine-adding amount-water outlet residual chlorine in the previous N days;
based on the training sample database, training the convolutional neural network to obtain a trained dosing prediction model, and verifying the reliability of the dosing prediction model by checking the sample database;
predicting by adopting a trained dosing amount prediction model, and controlling the work of the sterilizer in real time according to a predicted value and monitoring;
and comparing the input data and the output data of the addition quantity prediction model and the effluent residual chlorine monitored in real time with a training sample database as a new data array, updating the training sample database, screening excellent historical data, repeating the steps, and continuously optimizing the model through repeated dynamic training.
As a further implementation mode, the main machine of the sterilizer generates sodium hypochlorite and hydrogen in a manner of electrolyzing saline solution, and the hydrogen enters the hydrogen digestion device through the exhaust pipe to react and is discharged.
The beneficial effects of the invention are as follows:
(1) The hydrogen digestion device is fixedly arranged at the top of the sterilizer, the hydrogen alarm is arranged at the top of the hydrogen digestion device, the device is compact in structure and small in occupied area, hydrogen generated by the sterilizer can be directly treated by the hydrogen digestion device, the adaptability of a sterilization system is greatly improved, the sterilization system can be used in small closed spaces such as a secondary water supply pump station, the use safety is ensured, meanwhile, the sterilizer is controlled by a remote control terminal, the time and water information can be combined to predict the addition amount, and the addition amount of the disinfectant can be effectively controlled within standard requirements under different working conditions, so that the addition is flexible and reliable.
(2) The sterilizer prepares the sodium hypochlorite by adopting a method of electrolyzing the saline solution, avoids the use of dangerous chemicals, and is provided with the hydrogen digestion device at the top part, so that the hydrogen can be effectively treated, and the safety of water quality and the use safety of a sterilization system are greatly ensured.
(3) According to the invention, the addition quantity prediction model is obtained by comprehensively training the data array of 'date-time-water temperature-flow-water inlet residual chlorine-addition quantity-water outlet residual chlorine', and the addition quantity prediction model can ensure the accuracy of addition quantity and water outlet residual chlorine increase under different working conditions by comparing, screening and updating the obtained data with a training sample database based on actual application.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic illustration of an in-situ positional relationship of a secondary water pump station intelligent disinfection system in accordance with one or more embodiments of the present invention;
FIG. 2 is a schematic illustration of the intelligent dosing of a sterilizer according to one or more embodiments of the present invention;
FIG. 3 is a schematic illustration of a hydrogen digestion device according to one or more embodiments of the invention;
in the figure: the mutual spacing or size is exaggerated for showing the positions of all parts, and the schematic drawings are used only for illustration;
wherein, 1, a sterilizer; 2. a hydrogen digestion device; 201. an air inlet; 202. a hydrogen inlet; 203. a discharge port; 204. a catalyst; 205. a reaction tank; 206. a protective shell; 3. a hydrogen alarm; 4. adding a pump; 5. a control module; 6. a wireless sensing module; 7. a remote control terminal; 8. a sterilizer main unit; 9. an electromagnetic flowmeter; 10. a residual chlorine meter for effluent; 11. a feeding pipe; 12. a sodium hypochlorite storage tank; 13. a temperature sensor; 14. a water inlet residual chlorine instrument; 15. a secondary water supply station water tank.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced by the background technology, most urban secondary water supply stations are built in the basement of a high-rise apartment, the area is small, the environment is closed and the environment is closely attached to users, so that the traditional chlorine supplementing measure is not suitable for disinfection of the secondary water supply pump stations, sodium hypochlorite solution (the effective chlorine concentration is 0.4-0.8 percent and non-hazardous chemicals) is prepared by on-site electrolysis of saline solution, the use of the secondary water supply pump stations is limited because generated hydrogen cannot be discharged, and the problem of disinfection pressure of the secondary water supply stations is aggravated due to the influence of new regulations.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1 to 3, an intelligent disinfection system for a secondary water supply pump station is provided, which is located in the secondary water supply pump station, and the secondary water supply pump station is located in a basement of a certain district, is adjacent to an underground parking garage, and is in a closed space, so that hydrogen cannot be discharged; the water consumption and residual chlorine value change greatly, 7:00-9:00, 11:00-13:00 and 18:00-22:00 are water consumption peaks each day, the water consumption is less in the rest time, the fluctuation of weekends and holidays is larger, and residual chlorine does not reach the standard in summer.
Including, sterilizer 1, hydrogen digestion device 2, hydrogen alarm 3 and remote control terminal 7, wherein, sterilizer 1 sets up in secondary water supply pump station, hydrogen digestion device 2 sets up the top at sterilizer 1, hydrogen digestion device 2 is connected with the blast pipe of sterilizer 1, mainly used hydrogen's digestion, the fixed eminence that sets up the pump station indoor wall body of hydrogen alarm 3 just is located hydrogen digestion device 2's top, mainly used is the monitoring to hydrogen digestion device 2 hydrogen leakage, remote control terminal 7 is located outside the secondary water supply pump station, remote control terminal 7 is connected with sterilizer 1 for the accurate of remote control sterilizer 1 throws the adding.
It should be noted that the sterilizer 1 should be selectively arranged near the tap water tap in the power supply and the secondary water supply pump station, so as to facilitate the connection of pipelines and reduce the damage to the original layout in the secondary water supply pump station.
As shown in fig. 3, the hydrogen digestion device 2 is composed of an air inlet 201, a hydrogen inlet 202, a discharge port 203, a catalytic unit and a protective shell 206, wherein the hydrogen digestion device 2 is fixedly arranged at the top of the sterilizer 1 through the protective shell 206, the catalytic unit is positioned in the protective shell 206, and the catalytic unit can be protected through the protective shell 206.
The catalytic unit comprises a reaction tank 205 and a catalyst 204 placed in the reaction tank 205, wherein the reaction tank 205 is fixedly arranged in a protective shell 206, the catalyst 204 is used for digestion of hydrogen, an air inlet 201 and a hydrogen inlet 202 are arranged at the bottom of the reaction tank 205, the air inlet 201 is communicated with the outside atmosphere and is used for inputting air into the reaction tank 205, the hydrogen inlet 202 is communicated with an exhaust pipe of the sterilizer 1, and hydrogen in the sterilizer 1 enters the reaction tank 205 through the exhaust pipe to be digested.
The top of retort 205 is discharge port 203, and hydrogen can react with catalyst 204 in retort 205 and produce vapor, and the vapor accessible discharge port 203 of production outwards discharges, and hydrogen alarm 3 is located directly over discharge port 203, the leakage condition of monitoring hydrogen that can be timely to the staff overhauls hydrogen digestion device 2 or supplements catalyst 204, has guaranteed the operational safety.
It will be appreciated that the catalyst 204 is of a type that is currently used to catalyze hydrogen digestion, e.g., copper oxide, etc., and the particular type may be selected based on actual needs without undue limitation.
As shown in fig. 2, the sterilizer 1 is composed of a dosing pump 4, a control module 5, a wireless sensing module 6, a sterilizer host 8 and a sodium hypochlorite storage tank 12, wherein the dosing pump 4, the control module 5 and the sodium hypochlorite storage tank 12 are fixedly arranged in the sterilizer host 8, the wireless sensing module 6 is arranged at the top of the sterilizer host 8, the wireless sensing module 6 is connected with a remote control terminal 7 outside a station in a wireless transmission mode, and the control module 5 is respectively connected with the dosing pump 4 and the wireless sensing module 6;
the water inlet pipe of the secondary water supply pump station is communicated with a secondary water supply station water tank in the secondary water supply pump station, an electromagnetic flowmeter 9, a water outlet residual chlorine instrument 10, a temperature sensor 13 and a water inlet residual chlorine instrument 14 are arranged on the water inlet pipe, wherein the electromagnetic flowmeter 9, the temperature sensor 13 and the water inlet residual chlorine instrument 14 are arranged on the water inlet side of the secondary water supply station water tank 15, the water outlet residual chlorine instrument 10 is arranged on the water outlet side of the secondary water supply station water tank 15, the control module 5 is respectively connected with the electromagnetic flowmeter 9, the water outlet residual chlorine instrument 10, the temperature sensor 13 and the water inlet residual chlorine instrument 14, the water inlet amount, the water inlet residual chlorine amount and the water inlet temperature of the water inlet pipe of the secondary water supply pump can be monitored and transmitted to the control module 5, the control module 5 can transmit received data to the remote control terminal 7 through the wireless sensor module 6, and the remote control terminal 7 predicts the adding amount of sodium hypochlorite according to the monitored data and transmits the data to the control module 5 through the wireless sensor module 6, and then the adding amount of the adding pump 4 is controlled through the control module 5.
The remote control terminal 7 is a PLC controller including a clock system and applying a convolutional neural network, and can train the convolutional neural network in combination with received information (water inflow amount, water temperature, water inflow residual chlorine amount in a water inlet pipe) and date and time, predict the adding amount of sodium hypochlorite and water outflow residual chlorine amount, and further control the water outflow residual chlorine amount within a required range.
The sodium hypochlorite storage tank 12 is respectively connected with the control module 5 and the adding pump 4, and the sodium hypochlorite storage tank 12 is mainly used for storing prepared sodium hypochlorite solution and is internally provided with a liquid level meter; the sterilizer host 8 is internally provided with an electrolytic tank which is communicated with the sodium hypochlorite storage tank 12, the electrolytic tank can produce sodium hypochlorite solution and hydrogen in a manner of electrolyzing saline solution, the prepared sodium hypochlorite solution is stored in the sodium hypochlorite storage tank 12, and the sodium hypochlorite solution can be accurately added into the water inlet pipe of the secondary water supply pump by the adding pump 4 under the control of the control module 5 for sterilization.
It should be noted that the control module 5 is also connected with the hydrogen alarm 3 in a wired manner, and when the hydrogen alarm 3 detects that the hydrogen concentration exceeds the set value, the control module 5 can control the sterilizer 1 to stop emergently.
Example 2
In another exemplary embodiment of the present invention, a method for using an intelligent disinfection system for a secondary water supply pump station is provided, which specifically comprises the following steps:
the remote control terminal 7 establishes an addition quantity prediction model by training a convolutional neural network;
the electromagnetic flowmeter 9, the water inlet residual chlorine instrument and the temperature sensor transmit water information such as water inlet amount information, water inlet residual chlorine information, water temperature information and the like in the water inlet pipe of the secondary water supply pump station to the control module 5;
the control module 5 transmits the received water body information to the remote control terminal 7 through the wireless sensing module 6, and the remote control terminal 7 predicts the adding amount of sodium hypochlorite by combining the received water body information (the water inflow amount in the water inlet pipe, the water temperature and the residual chlorine inflow amount) and the date and time and transmits the prediction result to the control module 5 through the wireless sensing module 6;
the control module 5 controls the adding pump 4 to add the sodium hypochlorite into the water inlet pipe according to the predicted adding amount.
The establishment process of the addition quantity prediction model comprises the following steps:
a, respectively establishing a training sample database and a test sample database by using a data array of date-time-water temperature-flow-water inlet residual chlorine-adding amount-water outlet residual chlorine in the previous N days;
specifically, a data array of date-time-water temperature-flow-residual chlorine in water-adding amount-residual chlorine in water-out is collected for the previous 2-5 months (such as 11:00 in the morning of 5 months and 1 day, water temperature 20 ℃ and flow 10m 3 When the residual chlorine of the inflow water is 0.1mg/L, the corresponding adding amount of the sodium hypochlorite solution is 1L/h, and the residual chlorine of the outflow water is 0.4mg/L, respectively establishing a training sample database and a test sample database;
it should be noted that the residual chlorine of the effluent in the data array is required to meet the standard.
Training a convolutional neural network based on a training sample database to obtain a trained dosing prediction model, and verifying the reliability of the dosing prediction model by checking the sample database;
specifically, the self-learning is performed by using the data in the established training sample database through the convolutional neural network, for example, the quantity of sodium hypochlorite added in 8:00 days in spring festival in winter, the quantity of sodium hypochlorite added in 20:00 nights in summer in 7 months in summer, whether the quantity of water quality and water quantity at some time is the same as that at other time when the condition of water quality and water quantity at some time is similar, and the like, the addition prediction model is established and trained, and the addition prediction model is checked by using the checking sample database.
C, predicting by adopting a trained dosing amount prediction model, and controlling the sterilizer 1 to work and monitor in real time according to a predicted value;
specifically, when the addition amount is predicted by using the trained addition amount prediction model, for example, when the addition amount of 20:00 in the evening during the summer noon is to be predicted, the water temperature, the water amount and the water inlet residual chlorine are added as input, the predicted addition amount is obtained by using the trained addition amount prediction model, the addition is performed according to the predicted addition amount, and the outlet residual chlorine is monitored by using the outlet residual chlorine meter.
And D, comparing the input data and the output data of the addition quantity prediction model and the effluent residual chlorine monitored in real time with a training sample database as a new data array, updating the training sample database, screening excellent historical data, repeating the steps A-D, continuously optimizing the model through repeated dynamic training, reducing residual chlorine deviation of a secondary water supply station, and realizing accurate addition.
Specifically, based on the instantaneous feedforward/feedback (feedforward is water quantity, water temperature and inflow residual chlorine, and feedback is outflow residual chlorine) in the step C, the water quantity and inflow residual chlorine in the step C are compared and obtained to be the same as 20:00 in the evening of the summer 7 months in the summer of the last year, except that the water temperature is 2 ℃ lower than the summer 7 months in the last year, and the sodium hypochlorite with the same quantity is added under the condition that the water temperature is 2 ℃ lower than the water temperature, so that the outflow residual chlorine has a change;
and (3) screening all data corresponding to the small control deviation of the residual chlorine in the water outlet under different working conditions, updating a training sample database according to a data array of date-time-water temperature-flow-residual chlorine in water inlet-adding quantity-residual chlorine in water outlet, and repeating the steps A-D through a training convolutional neural network, so that the built adding quantity prediction model is more optimized than before screening, and can reduce the deviation of the residual chlorine in water outlet through repeated dynamic training to realize accurate adding.
From the above examples, the addition amount prediction model integrates various information (date-time-water temperature-water amount-residual chlorine in water), and predicts the addition amount of the addition pump 4 and how much residual chlorine in water after the addition is completed.
The water supply amount of the secondary water supply station is fixed every day, but the instantaneous water supply amount per hour is changed greatly, the water supply amount per hour of the water peak time of 7:00-9:00 in the morning and 18:00-22:00 in the evening is 2-3 times of that of 1:00-4:00 in the early morning, and the instantaneous water supply amount per hour of the secondary water supply station is changed more in consideration of weekends and legal holidays; the residual chlorine content in the incoming water of the secondary water supply station is related to the effective chlorine adding amount of an upstream water plant and is also related to the water quality, the water temperature and the pipeline condition, and a complex matrix is formed by combining a plurality of elements, so that the adding amount of sodium hypochlorite and the increasing amount of the residual chlorine in the outlet water can be accurately predicted according to different working conditions by establishing the adding amount prediction model.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The using method of the intelligent disinfection system based on the secondary water supply pump station is characterized by comprising a disinfection machine and a remote control terminal, wherein the disinfection machine is arranged in the secondary water supply pump station and is used for adding sodium hypochlorite into a water inlet pipe, the remote control terminal is arranged outside the station, the top of the disinfection machine is fixedly provided with a hydrogen digestion device, the hydrogen digestion device is connected with an exhaust pipe of the disinfection machine, a hydrogen alarm is fixedly arranged above the hydrogen digestion device, the disinfection machine is connected with the remote control terminal in a wireless transmission mode, and the remote control terminal is used for predicting the adding amount of the water body information in the water inlet pipe and controlling the addition of the disinfection machine;
the hydrogen digestion device consists of a protective shell and a reaction tank fixedly arranged in the protective shell, wherein a catalyst is arranged in the reaction tank, an air inlet and a hydrogen inlet connected with an exhaust pipe of the sterilizer are arranged at the bottom of the reaction tank, a discharge port is arranged at the top of the reaction tank, and the discharge port is positioned under the hydrogen alarm;
the sterilizing machine consists of a sterilizing machine host, a control module, an electrolytic tank, a sodium hypochlorite storage tank and a dosing pump, wherein the control module is arranged in the sterilizing machine host, the electrolytic tank is used for electrolyzing saline, the sodium hypochlorite storage tank is used for storing prepared sodium hypochlorite solution, the control module is connected with a remote control terminal through a wireless sensing module, the control module is also connected with the sodium hypochlorite storage tank and the dosing pump, and the dosing pump is used for throwing the sodium hypochlorite solution in the sodium hypochlorite storage tank into a water inlet pipe through a filling pipe;
the using method comprises the steps that a remote control terminal establishes an addition quantity prediction model through training a convolutional neural network;
the establishment process of the addition quantity prediction model comprises the following steps:
respectively establishing a training sample database and a test sample database by using a data array of date-time-water temperature-flow-water inlet residual chlorine-adding amount-water outlet residual chlorine in the previous N days;
based on the training sample database, training the convolutional neural network to obtain a trained dosing prediction model, and verifying the reliability of the dosing prediction model by checking the sample database;
predicting by adopting a trained dosing amount prediction model, and controlling the work of the sterilizer in real time according to a predicted value and monitoring;
and comparing the input data and the output data of the addition quantity prediction model and the effluent residual chlorine monitored in real time with a training sample database as a new data array, updating the training sample database, screening excellent historical data, repeating the steps, and continuously optimizing the model through repeated dynamic training.
2. The application method of the intelligent disinfection system based on the secondary water supply pump station is characterized in that the water inlet pipe is communicated with the water tank of the secondary water supply station, a temperature sensor, a water outlet residual chlorine instrument, a water inlet residual chlorine instrument and an electromagnetic flowmeter are arranged on the water inlet pipe, and the temperature sensor, the water outlet residual chlorine instrument, the water inlet residual chlorine instrument and the electromagnetic flowmeter are all connected with the control module.
3. The use method of the intelligent disinfection system based on the secondary water supply pump station according to claim 2, wherein the electromagnetic flowmeter, the temperature sensor and the water inlet residual chlorine instrument are arranged on the water inlet side of the water tank of the secondary water supply station, and the water outlet residual chlorine instrument is arranged on the water outlet side of the water tank of the secondary water supply station.
4. The method for using the intelligent disinfection system based on the secondary water supply pump station according to claim 1, wherein the hydrogen alarm is fixedly arranged on a wall body in a room of the secondary water supply pump station.
5. The method for using the intelligent disinfection system based on the secondary water supply pump station according to claim 1, wherein the hydrogen alarm is connected with the disinfection machine in a wired manner and is used for monitoring the hydrogen concentration.
6. The use method of the intelligent disinfection system based on the secondary water supply pump station as claimed in claim 1, which is characterized by comprising the following specific steps:
the control module receives and transmits the water information in the water inlet pipe of the secondary water supply pump station to the remote control terminal, and the remote control terminal predicts the adding amount of sodium hypochlorite by combining the received water information and the date and time and transmits the prediction result to the control module;
the control module controls the adding pump to add the sodium hypochlorite into the water inlet pipe according to the predicted adding amount.
7. The method for using the intelligent disinfection system based on the secondary water supply pump station according to claim 1, wherein the main machine of the disinfection machine generates sodium hypochlorite and hydrogen in a manner of electrolyzing saline solution, and the hydrogen enters the hydrogen digestion device through the exhaust pipe to react and is discharged.
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