CN115092995A - Intelligent disinfection system for secondary water supply pump station and using method - Google Patents
Intelligent disinfection system for secondary water supply pump station and using method Download PDFInfo
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- CN115092995A CN115092995A CN202210798528.2A CN202210798528A CN115092995A CN 115092995 A CN115092995 A CN 115092995A CN 202210798528 A CN202210798528 A CN 202210798528A CN 115092995 A CN115092995 A CN 115092995A
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- hydrogen
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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 192
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000001257 hydrogen Substances 0.000 claims abstract description 66
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 66
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 47
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 47
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000029087 digestion Effects 0.000 claims abstract description 31
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 31
- 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 66
- 239000000460 chlorine Substances 0.000 claims description 66
- 229910052801 chlorine Inorganic materials 0.000 claims description 66
- 238000012549 training Methods 0.000 claims description 28
- 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
- 239000003054 catalyst Substances 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 11
- 230000001954 sterilising effect Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000645 desinfectant Substances 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000003203 everyday effect Effects 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
- 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
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000008400 supply water 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
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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 for a secondary water supply pump station and a using method, relates to the technical field of disinfection equipment, solves the problems of low adaptability and high disinfection pressure of the existing disinfection system for the secondary water supply station, improves the flexible and reliable capacity of the disinfection system, and adopts the following specific scheme: including setting up the sterilizer and setting up the remote control terminal outside the station that are used for throwing sodium hypochlorite to the intake pipe in the secondary water supply pump station, the fixed hydrogen digestion device that is equipped with in top of sterilizer, hydrogen digestion device is connected with the blast pipe of sterilizer, and the fixed hydrogen alarm that is equipped with in hydrogen digestion device top, the sterilizer passes through wireless transmission's mode and is connected with remote control terminal, remote control terminal is used for combining time, the intraductal water information prediction of intake to throw the volume and control the sterilizer and throw.
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 using 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 for urban public water supply or self-built facilities, and the water is stored and pressurized and then supplied to users or used by users through pipelines, mainly aims at compensating the pressure shortage of municipal water supply pipelines and ensuring the water use of dwellings and living in high-rise people.
The inventor finds that the water quality is more easily polluted compared with the raw water supply because the secondary water supply needs to go through the processes of storage and pumping. Most urban secondary water supply stations are built in basements of high-rise apartments, are small in area, are closed in environment and are tightly attached to users, and because chlorine disinfection, chlorine dioxide disinfection and finished sodium hypochlorite solution (the concentration of effective chlorine is 5% -10%) are all in danger of chemicals or are easy to prepare chemicals for management, the traditional chlorine supplementing measures are not suitable for disinfection of secondary water supply pump stations, and the sodium hypochlorite solution (0.4-0.8% of effective chlorine and non-danger chemicals) prepared by electrolyzing saline solution on site cannot be discharged due to the generated hydrogen, so that the use of the sodium hypochlorite solution in the secondary water supply pump stations is limited;
and the secondary water supply has the characteristic that the water quantity and the residual chlorine quantity change greatly in different time periods, some stations can not ensure that the free chlorine content of the peripheral water of a user meets the requirement that the free chlorine content is more than or equal to 0.05mg/L specified in sanitary Standard for Drinking Water all the year round or in a certain quarter, and in addition, compared with the old stations, the free chlorine concentration of the factory water is limited to be reduced from 4mg/L to 2mg/L, the addition limit value of a disinfectant in a water plant is reduced, the disinfection pressure of the secondary water supply station is further increased, and the requirement of an automatic control system of the disinfection equipment is very sensitive and reliable.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent disinfection system for a secondary water supply pump station and a using method thereof.
In order to realize the purpose, the invention is realized by the following technical scheme:
in a first aspect, the invention provides an intelligent disinfection system for 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 disinfection machine, wherein a hydrogen digestion device is fixedly arranged at the top of the disinfection machine, 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 manner, and the remote control terminal is used for predicting the adding amount according to time and water body information in the water inlet pipe and controlling the adding amount of the disinfection machine.
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 a sterilizer exhaust pipe 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.
As a further implementation manner, the disinfection machine consists of a disinfection machine host, a control module arranged in the disinfection machine host, an electrolytic bath for electrolyzing saline solution, 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, the control module is also connected with the sodium hypochlorite storage tank and the dosing pump, and the dosing pump is used for feeding 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 secondary water supply station water tank, the water inlet pipe is provided with a temperature sensor, a water outlet chlorine residual instrument, a water inlet chlorine residual instrument and an electromagnetic flowmeter, and the temperature sensor, the water outlet chlorine residual instrument, the water inlet chlorine residual instrument and the electromagnetic flowmeter are all connected with the control module.
As a further implementation mode, the electromagnetic flow meter, the temperature sensor and the water inlet residual chlorine meter are arranged on the water inlet side of the secondary water supply station water tank, and the water outlet residual chlorine meter is arranged on the water outlet side of the secondary water supply station water tank.
As a further implementation mode, the hydrogen alarm is fixedly arranged on a wall body in the secondary water supply pump station chamber.
As a further implementation mode, the hydrogen alarm device is in wired connection with the sterilizer and used for monitoring the hydrogen concentration.
In a second aspect, the invention provides a use method of an intelligent disinfection system for a secondary water supply pump station, which comprises the following specific steps:
the remote control terminal establishes a dosing amount prediction model through training a convolutional neural network;
the control module receives and transmits water body information in a 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 the sodium hypochlorite by combining the received water body information, the date and the moment and transmits a prediction result to the control module;
and the control module controls the feeding pump to feed the sodium hypochlorite into the water inlet pipe according to the predicted feeding amount.
As a further implementation manner, the establishment process of the dosing quantity prediction model is as follows:
respectively establishing a training sample database and an inspection sample database by using a data array of 'date-time-water temperature-flow-water inlet residual chlorine-dosing amount-water outlet residual chlorine' of the previous N days;
training a convolutional neural network based on a training sample database to obtain a trained input prediction model, and verifying the reliability of the input prediction model by checking the sample database;
adopting a trained dosing amount prediction model to predict, and controlling the operation of the disinfection machine in real time according to a predicted value and monitoring;
comparing input data and output data of the dosing prediction model and the effluent residual chlorine monitored in real time serving as a new data array with a training sample database, 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 disinfection machine generates sodium hypochlorite and hydrogen by means of electrolysis of 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, and the hydrogen alarm is arranged at the top of the hydrogen digestion device, so that the hydrogen sterilization device is compact in structure and small in occupied area, the hydrogen digestion device can directly treat hydrogen generated by the sterilizer, 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 adding amount can be predicted by combining time and water body information, the adding amount of the disinfectant can be effectively controlled within standard requirements under different working conditions, and the adding is flexible and reliable.
(2) The sterilizing machine disclosed by the invention adopts a method of electrolyzing the saline solution to prepare the sodium hypochlorite, so that the use of dangerous chemicals is avoided, and the hydrogen digestion device is arranged at the top of the sterilizing machine, so that hydrogen can be effectively treated, and the safety of water quality and the use safety of a sterilizing system are greatly ensured.
(3) The dosing amount prediction model is obtained by comprehensive data array training of 'date-time-water temperature-flow-water inflow residual chlorine-dosing amount-water outflow residual chlorine', and is compared, screened and updated with a training sample database based on data obtained by actual application, so that the dosing amount prediction model can ensure the accuracy of the dosing amount and the water outflow residual chlorine increase under different working conditions.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the field location of an intelligent disinfection system for a secondary water supply pumping station according to one or more embodiments of the present invention;
FIG. 2 is a schematic diagram of intelligent dosing of a disinfection machine according to one or more embodiments of the present invention;
fig. 3 is a schematic structural view of a hydrogen digestion apparatus according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used 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. a dosing pump; 5. a control module; 6. a wireless sensing module; 7. a remote control terminal; 8. a sterilizer main machine; 9. an electromagnetic flow meter; 10. a water outlet residual chlorine meter; 11. a feeding pipe; 12. a sodium hypochlorite storage tank; 13. a temperature sensor; 14. a water inlet residual chlorine meter; 15. and a secondary water supply station water tank.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. 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 basements of high-rise apartments, are small in area, are closed in environment and are tightly attached to users, so that the traditional chlorine supplementing measures are not suitable for disinfecting secondary water supply pump stations, and the problem that the pressure for disinfecting the secondary water supply stations is increased due to the fact that hydrogen generated in the process of preparing sodium hypochlorite solution (the effective chlorine concentration is 0.4-0.8% and non-dangerous chemicals) by electrolyzing saline water on site cannot be discharged is solved.
Example 1
In a typical embodiment of the present invention, as shown in fig. 1-3, an intelligent disinfection system for a secondary water supply pumping station is provided, which is located in a secondary water supply pumping station, and the secondary water supply pumping station is located in a basement of a certain community, is close to an underground parking lot, is a closed space, and cannot discharge hydrogen; the water quantity and the residual chlorine value are changed greatly, the water consumption peak is 7: 00-9: 00, 11: 00-13: 00 and 18: 00-22: 00 every day, the water consumption is low in other times, the fluctuation is larger on weekends and holidays, and the 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 the secondary water supply pump station, hydrogen digestion device 2 sets up the top at sterilizer 1, hydrogen digestion device 2 is connected with sterilizer 1's blast pipe, mainly used hydrogen digestion device's the digestion, 3 fixed eminences that set up pump station indoor wall body of hydrogen alarm and the top that is located hydrogen digestion device 2, mainly used is to the monitoring of 2 hydrogen gas leakage of hydrogen digestion device, remote control terminal 7 is located outside the secondary water supply pump station, remote control terminal 7 is connected with sterilizer 1, an accurate throwing of remote control sterilizer 1 is used for.
It should be noted that the sterilizer 1 should be selectively installed near the power supply and the tap water tap in the secondary water supply pump station to facilitate the connection of the 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 on the top of the sterilizer 1 through the protective shell 206, the catalytic unit is located 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, the reaction tank 205 is fixedly arranged in a protective shell 206, the catalyst 204 is used for digesting 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 for digestion.
The top of retort 205 is discharge port 203, and hydrogen can react with catalyst 204 in retort 205 and generate vapor, and the vapor accessible discharge port 203 that generates outwards discharges, and hydrogen alarm 3 is located discharge port 203 directly over, the condition of revealing of monitoring hydrogen that can be timely to the staff overhauls or supplyes catalyst 204 to hydrogen digestion device 2, has guaranteed the work safety.
It is understood that the catalyst 204 is a type of catalyst currently used for catalyzing hydrogen digestion, such as copper oxide, etc., and the specific type can be selected according to actual requirements without limitation.
As shown in fig. 2, the disinfection machine 1 is composed of a dosing pump 4, a control module 5, a wireless sensing module 6, a disinfection machine 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 inside the disinfection machine host 8, the wireless sensing module 6 is arranged at the top of the disinfection machine host 8, the wireless sensing module 6 is connected with an out-station remote control terminal 7 in a wireless transmission manner, 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 meter 10, a temperature sensor 13 and a water inlet residual chlorine meter 14 are arranged on the water inlet pipe, the electromagnetic flowmeter 9, the temperature sensor 13 and the water inlet residual chlorine meter 14 are arranged on the water inlet side of the secondary water supply station water tank 15, the water outlet residual chlorine meter 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 meter 10, the temperature sensor 13 and the water inlet residual chlorine meter 14, the water inlet amount, the water inlet residual chlorine amount, the water outlet residual chlorine amount and the water inlet temperature in 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 the received data to the remote control terminal 7 through the wireless sensing module 6, the remote control terminal 7 predicts the sodium hypochlorite dosage according to the monitored data and transmits the sodium hypochlorite dosage to the control module 5 through the wireless sensing module 6, the control module 5 controls the dosing amount of the dosing pump 4.
The remote control terminal 7 is a PLC controller containing a clock system and an applied convolutional neural network, and can train the convolutional neural network by combining received information (water inflow, water temperature and water inflow residual chlorine amount in the water inlet pipe), date and time, predict the adding amount of sodium hypochlorite and the effluent residual chlorine amount, and further control the effluent residual chlorine amount to be within a required range.
The sodium hypochlorite storage tank 12 is respectively connected with the control module 5 and the feeding pump 4, the sodium hypochlorite storage tank 12 is mainly used for storing the prepared sodium hypochlorite solution, and a liquid level meter is arranged in the sodium hypochlorite storage tank; be equipped with the electrolysis trough in the sterilizer host computer 8, electrolysis trough and sodium hypochlorite storage tank 12 intercommunication, the mode of electrolysis trough accessible electrolysis salt solution produces sodium hypochlorite solution and hydrogen to store in passing through sodium hypochlorite storage tank 12 with the sodium hypochlorite solution after preparing, throw the intraductal sodium hypochlorite solution of throwing pump 4 can be under control module 5's control accurate to the inlet pipe of secondary feed pump in order to disinfect.
It should be noted that the control module 5 is also in wired connection with the hydrogen alarm 3, and when the hydrogen alarm 3 monitors that the hydrogen concentration exceeds a set value, the control module 5 can control the sterilizer 1 to be stopped 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 comprises the following steps:
the remote control terminal 7 establishes a dosing amount prediction model through training a convolutional neural network;
the electromagnetic flow meter 9, the water inlet residual chlorine meter and the temperature sensor transmit water body 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, the remote control terminal 7 predicts the sodium hypochlorite adding amount by combining the received water body information (water inflow, water temperature and water inflow residual chlorine amount in the water inlet pipe) and date and time, and transmits the prediction result to the control module 5 through the wireless sensing module 6;
and 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 dosing quantity prediction model is as follows:
a, respectively establishing a training sample database and an inspection sample database by using a data array of 'date-time-water temperature-flow-water residual chlorine-adding amount-water residual chlorine' in the previous N days;
specifically, a data array of 'date-time-water temperature-flow-water inlet residual chlorine-adding amount-water outlet residual chlorine' 2-5 months before (such as 11:00 in 1 morning of 5 months, water temperature of 20 ℃, flow rate of 20 ℃) is collected10m 3 When the residual chlorine of the inlet water is 0.1mg/L, the corresponding sodium hypochlorite solution dosage is 1L/h, and the residual chlorine of the outlet water is 0.4mg/L), respectively establishing a training sample database and an inspection sample database;
it should be noted that the effluent chlorine residue in the data array is required to meet the standard specification.
B, training a convolutional neural network based on a training sample database to obtain a trained input prediction model, and verifying the reliability of the input prediction model by checking the sample database;
specifically, through a convolutional neural network, self-learning is performed by using data in an established training sample database, for example, when the amount of sodium hypochlorite is equal to the amount of sodium hypochlorite added at 8:00 in the spring festival in winter, when the amount of sodium hypochlorite added at 20:00 in one day and night is 20:00 in summer in 7 months, when the water quality and water quantity conditions at some time are similar to those at other time, whether the amount of sodium hypochlorite added is equal to that at other time, and the like, an added amount prediction model is established and trained, and the added amount prediction model is checked by using a check sample database.
C, adopting a trained dosing amount prediction model to predict, and controlling the work of the sterilizing machine 1 in real time according to a predicted value and monitoring;
specifically, the amount of addition is predicted by using a trained amount of addition prediction model, for example, when the amount of addition of 20:00 in the evening during the morning and evening in summer is predicted to be more, the water temperature, the water quantity and the inflow residual chlorine are used as input at the time, the predicted amount of addition is obtained by using the trained amount of addition prediction model, addition is carried out according to the predicted amount of addition, and the outflow residual chlorine is monitored by using an outflow residual chlorine meter.
D, comparing input data and output data of the dosing amount prediction model and the effluent residual chlorine monitored in real time serving as a new data array with a training sample database, updating the training sample database, screening excellent historical data, repeating the step A → D, continuously optimizing the model through repeated dynamic training, reducing residual chlorine deviation of a secondary water supply station, and realizing accurate dosing.
Specifically, based on the instantaneous feedforward/feedback in the step C (feedforward is water quantity, water temperature and inlet residual chlorine, and feedback is outlet residual chlorine), the comparison result shows that the water quantity and the inlet residual chlorine in the step C are the same as 20:00 at night in summer holidays of 7 months in the last year, but the water temperature is 2 ℃ lower than that in 7 months in the last year, and the judgment is made on the change of the outlet residual chlorine by adding the same amount of sodium hypochlorite under the condition that the water temperature is 2 ℃;
screening all data corresponding to small control deviation of the effluent residual chlorine under different working conditions, updating a training sample database according to a data array of 'date-time-water temperature-flow-water inlet residual chlorine-adding amount-effluent residual chlorine', repeating the step A → D through training a convolutional neural network, so that the built adding amount prediction model is more optimized than that before screening, and the deviation of the effluent residual chlorine can be reduced through repeated dynamic training, thereby realizing accurate adding.
By the above example, the dosing amount prediction model integrates various information (date-time-water temperature-water amount-residual chlorine of inlet water), and predicts the dosing amount of the dosing pump 4 and the amount of residual chlorine of outlet water after the dosing is finished.
The water supply amount of the secondary water supply station is fixed every day, but the instantaneous water supply amount per hour changes greatly, the water supply amount per hour at the peak time of water consumption of 7: 00-9: 00 in the morning and 18: 00-22: 00 in the evening is 2-3 times of that of water supply amount per hour of 1: 00-4: 00 in the early morning, and the instantaneous water supply amount per hour of the secondary water supply station changes greatly by considering weekends and legal holidays; the content of residual chlorine in the water coming from the secondary water supply station is related to the effective chlorine dosage 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 factors.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a secondary feed pump station intelligence disinfection system, its characterized in that, is used for throwing the sterilizer of sodium hypochlorite and setting up the remote control terminal outside the station in the secondary feed pump station to the inlet pipe including setting up, the fixed hydrogen digestion device that is equipped with in top of sterilizer, hydrogen digestion device is connected with the blast pipe of sterilizer, and the fixed hydrogen alarm that is equipped with in hydrogen digestion device top, the sterilizer passes through wireless transmission's mode and is connected with remote control terminal, remote control terminal is used for the water information prediction in binding time, the inlet pipe to throw the volume and control the sterilizer and throw.
2. The intelligent disinfection system of claim 1, wherein the hydrogen digestion device comprises a protective shell and a reaction tank fixedly arranged in the protective shell, a catalyst is arranged in the reaction tank, the bottom of the reaction tank is provided with an air inlet and a hydrogen inlet connected with a sterilizer exhaust pipe, and the top of the reaction tank is provided with a discharge outlet which is positioned right below the hydrogen alarm.
3. The intelligent disinfection system of claim 1, wherein the disinfection machine comprises a disinfection machine main body, a control module, an electrolytic bath for electrolyzing saline solution, a sodium hypochlorite storage tank for storing prepared sodium hypochlorite solution, and a dosing pump, the control module is connected with a remote control terminal through a wireless sensing module, the control module is further connected with the sodium hypochlorite storage tank and the dosing pump, and the dosing pump puts the sodium hypochlorite solution in the sodium hypochlorite storage tank into a water inlet pipe through a filling pipe.
4. The intelligent disinfection system of claim 3, wherein the water inlet pipe is in communication with a water tank of the secondary water supply station, the water inlet pipe is provided with a temperature sensor, a water outlet chlorine residual meter, a water inlet chlorine residual meter and an electromagnetic flow meter, and the temperature sensor, the water outlet chlorine residual meter, the water inlet chlorine residual meter and the electromagnetic flow meter are all connected with the control module.
5. The intelligent disinfection system of claim 4, wherein the electromagnetic flow meter, the temperature sensor and the water inlet chlorine residual meter are arranged on the water inlet side of the secondary water supply station water tank, and the water outlet chlorine residual meter is arranged on the water outlet side of the secondary water supply station water tank.
6. The intelligent disinfection system of claim 1, wherein the hydrogen gas alarm is fixedly arranged on a wall in the chamber of the secondary water supply pumping station.
7. The intelligent disinfection system of claim 1, wherein the hydrogen gas alarm device is in wired connection with the disinfection machine for monitoring hydrogen gas concentration.
8. The use method of the intelligent disinfection system of the secondary water supply pump station as claimed in any one of claims 1 to 7, is characterized by comprising the following steps:
the remote control terminal establishes a dosing amount prediction model through training a convolutional neural network;
the control module receives and transmits water body information in a 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 the sodium hypochlorite by combining the received water body information, the date and the moment and transmits a prediction result to the control module;
and the control module controls the feeding pump to feed the sodium hypochlorite into the water inlet pipe according to the predicted feeding amount.
9. The use method according to claim 8, wherein the process of establishing the dosing prediction model comprises:
respectively establishing a training sample database and an inspection sample database by using a data array of 'date-time-water temperature-flow-water inlet residual chlorine-dosing amount-water outlet residual chlorine' of the previous N days;
training a convolutional neural network based on a training sample database to obtain a trained dosing amount prediction model, and verifying the reliability of the dosing amount prediction model by checking the sample database;
adopting a trained dosing amount prediction model to predict, and controlling the operation of the disinfection machine in real time according to a predicted value and monitoring;
comparing input data and output data of the dosing prediction model and the effluent residual chlorine monitored in real time serving as a new data array with a training sample database, updating the training sample database, screening excellent historical data, repeating the steps, and continuously optimizing the model through repeated dynamic training.
10. The use method of claim 8, wherein the host machine generates sodium hypochlorite and hydrogen by means of electrolysis of saline solution, and the hydrogen enters the hydrogen digestion device through the exhaust pipe, reacts and is exhausted.
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