Acrylic acid wastewater intelligent treatment system and treatment method thereof

Abstract

The present application relates to wastewater treatment technical field, disclose a kind of acrylic acid wastewater wisdom processing system and processing method thereof, including continuous monitoring module, continuous monitoring module includes in the water inlet key node of wastewater treatment system installation ultraviolet spectrum sensor, real-time continuous monitoring the dynamic change of acrylic acid concentration in water;Data processing module, data processing module includes setting concentration upper threshold, when monitoring the acrylic acid concentration in water in water inlet exceeds concentration upper threshold.This application can smooth the concentration change in a short time when monitoring the acrylic acid concentration in water in water inlet exceeds standard, make the response to concentration fluctuation more flexible, through the calculation of temporary upper threshold, system can judge that these wastewater can still achieve purification effect after mixing with low concentration wastewater, unnecessary alarm or treatment stagnation will not be generated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wastewater treatment, in particular to an acrylic acid wastewater intelligent treatment system and a treatment method thereof. BACKGROUND

[0002] Acrylic acid wastewater treatment refers to a technology that combines modern sensor technology, automation control, data analysis and intelligent algorithms to accurately control and optimize the treatment process of acrylic acid wastewater. The purpose of this treatment system is to improve the efficiency of acrylic acid wastewater treatment and ensure that the discharge meets environmental standards.

[0003] Currently, when treating acrylic acid wastewater, a sensor is installed at the inlet of the wastewater treatment tank to continuously monitor the concentration of acrylic acid in the wastewater, so that the wastewater treatment system can intelligently control the addition of chemicals in the treatment tank, avoiding excessive or insufficient addition of chemicals affecting water treatment. However, the traditional method of monitoring the concentration of acrylic acid in the inlet water only responds to emergencies when the concentration exceeds the standard. In actual operation, the concentration of acrylic acid in the wastewater from the factory workshop will inevitably fluctuate. This short-term and intermittent concentration fluctuation may cause the system to overreact, increasing unnecessary intervention and warnings. SUMMARY

[0004] To solve the above problems of the prior art, the present application provides an acrylic acid wastewater intelligent treatment system and a treatment method thereof, which can provide self-adaptive capability for the wastewater treatment system, respond to fluctuations in the concentration of acrylic acid in the wastewater, and more accurately determine whether the overall water purification operation is affected, reducing unnecessary intervention of the system.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: an acrylic acid wastewater intelligent treatment system, comprising:

[0006] A continuous monitoring module, the continuous monitoring module comprising an ultraviolet spectrum sensor installed at a key node of the inlet of the wastewater treatment system, for continuously monitoring the dynamic change of the concentration of acrylic acid in the water in real time;

[0007] A data processing module, the data processing module comprising a concentration upper limit threshold value, when the concentration of acrylic acid in the water in the inlet is monitored to exceed the concentration upper limit threshold value, retrieving the concentration data of the water in the rollback time window to obtain the average concentration in the rollback time window;

[0008] A concentration calculation module, the concentration calculation module comprising a temporary upper limit threshold value obtained by the concentration average and the concentration upper limit threshold value, comparing the real-time concentration value of the water in the inlet with the temporary upper limit threshold value, and making a corresponding response according to the comparison result;

[0009] The fault early warning module includes a set fluctuation tolerance time length and a set fluctuation tolerance number of times, records the exceeding time length and the exceeding number of times of the acrylic acid concentration in the water exceeding the concentration upper limit threshold in one treatment operation, and compares the exceeding time length and the exceeding number of times with the corresponding fluctuation tolerance time length and fluctuation tolerance number of times respectively, and makes a corresponding response according to the comparison result.

[0010] In some embodiments, the rollback time window is specifically a period of time before the system monitors that the acrylic acid concentration in the water inlet exceeds the concentration upper limit threshold, and the average concentration of the effluent is calculated by the length of the rollback time window and the concentration value recorded in the rollback time window. Wherein, n represents the total amount of concentration value data monitored by the system in the rollback time window, C i represents the concentration value of the i-th monitoring data.

[0011] In some embodiments, the specific way to obtain the temporary upper limit threshold is: obtaining the temporary upper limit threshold Cu=(Cm-Cj)·k+Cm by the concentration upper limit threshold Cm and the average concentration Cj, wherein k is an adjustment factor less than 1.

[0012] In some embodiments, after comparing the real-time concentration value with the temporary upper limit threshold, if the real-time concentration value of the acrylic acid in the water is less than or equal to the temporary upper limit threshold, the system does not take action but records the event;

[0013] If the real-time concentration value of the acrylic acid in the water is greater than the temporary upper limit threshold, the system should make a fault early warning feedback to remind the operation management personnel to stop the discharge of wastewater in the water inlet and find the reason for the over-standard of acrylic acid in the water inlet.

[0014] In some embodiments, the exceeding time length of the acrylic acid concentration in the water exceeding the concentration upper limit threshold is compared with the fluctuation tolerance time length, and the exceeding number of times of the acrylic acid concentration in the water exceeding the concentration upper limit threshold is compared with the fluctuation tolerance number of times, when both the exceeding time length and the exceeding number of times are less than or equal to the corresponding fluctuation tolerance time length and fluctuation tolerance number of times, the system does not take action; when both the exceeding time length and the exceeding number of times are greater than the corresponding fluctuation tolerance time length and fluctuation tolerance number of times, the system makes a fault early warning feedback to remind the operation management personnel to find the reason for the over-standard of acrylic acid in the water inlet and make a response.

[0015] In some embodiments, a concentration high amount threshold is set, which is less than the concentration upper limit threshold, when the system monitors that the acrylic acid concentration in the water inlet reaches the concentration high amount threshold, the time length of reaching the concentration high amount threshold is recorded, and the total time length of the acrylic acid wastewater treatment is obtained, the high drug amount proportion value is calculated, and the corresponding response is made by comparing the high drug amount proportion value with the drug amount proportion early warning threshold.

[0016] In some embodiments, the high-dosage proportion value is obtained by the length of time Ns during which the wastewater concentration in the water inlet reaches the concentration high value threshold and the total length of time Zs of the wastewater treatment operation If the high-dosage proportion value does not reach the dosage proportion early warning threshold, the system does not take action; if the high-dosage proportion value reaches the dosage proportion early warning threshold, the system should execute the concentration requirement dynamic adjustment strategy.

[0017] In some embodiments, the concentration requirement dynamic adjustment strategy comprises: obtaining a threshold difference amount by subtracting the concentration high value threshold from the concentration upper limit threshold, dividing the threshold difference amount into a first half difference segment and a second half difference segment, and marking the first half difference segment and the second half difference segment as a 2nd level difference segment and a 1st level difference segment respectively, when the high-dosage proportion value is greater than the dosage proportion early warning threshold, the system will average all recorded acrylic acid concentration values that exceed the concentration high value threshold, obtain a concentration exceeding difference by subtracting the concentration high value threshold from this average value, and select the corresponding concentration upper limit threshold adjustment method according to whether the concentration exceeding difference falls into the 2nd level difference segment or the 1st level difference segment.

[0018] The concentration upper limit threshold adjustment method is: obtaining a concentration upper limit adjustment threshold by the concentration high value threshold Gn and the threshold difference amount Un Wherein, w represents the corresponding level difference segment into which the concentration exceeding difference falls, that is, w is 2 when falling into the 2nd level difference segment, and w is 1 when falling into the 1st level difference segment.

[0019] The present application also provides the following technical solutions: a smart acrylic acid wastewater treatment method, comprising the following steps:

[0020] An ultraviolet spectrum sensor is installed at the water inlet key node of the wastewater treatment system to continuously monitor the dynamic changes of the acrylic acid concentration in the water in real time;

[0021] A concentration upper limit threshold is set, when it is monitored that the acrylic acid concentration in the water in the water inlet exceeds the concentration upper limit threshold, the water concentration data in the rollback time window is retrieved to obtain the concentration average value of the water discharged in the rollback time window;

[0022] A temporary upper limit threshold is obtained by the concentration average value and the concentration upper limit threshold, the real-time concentration value of the water in the water inlet is compared with the temporary upper limit threshold, and a corresponding response is made according to the comparison result;

[0023] A fluctuation tolerance time length and a fluctuation tolerance number of times are set, the exceeding time length and the exceeding number of times of the acrylic acid concentration in the water exceeding the concentration upper limit threshold in one treatment operation are recorded, and the exceeding time length and the exceeding number of times are compared with the corresponding fluctuation tolerance time length and fluctuation tolerance number of times respectively, and a corresponding response is made according to the comparison result.

[0024] The application further provides a computer-readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the acrylic acid wastewater intelligent treatment system and the treatment method thereof.

[0025] Compared with the prior art, the technical solution provided by the application has the following beneficial effects:

[0026] Firstly, when the concentration of acrylic acid in the water of the water inlet exceeds the standard, the application smoothes the concentration change in a short time through the mechanism of the rollback time window, so that the response to the concentration fluctuation is more flexible. Through the calculation of the temporary upper limit threshold, the system can determine that the wastewater mixed with low-concentration wastewater can still achieve the purification effect, and unnecessary alarms or treatment stagnation will not occur.

[0027] Secondly, through the design of the fluctuation tolerance time and the fluctuation tolerance number, the application can effectively avoid overreaction to occasional short-time or few-time concentration fluctuations, improve the system fault tolerance, and establish a clear tolerance standard, so that the system can issue an alarm only in the case of real intervention, thereby ensuring that the operator can timely perceive and take corresponding measures.

[0028] Thirdly, the application can dynamically adjust the concentration upper limit threshold, especially when the concentration of acrylic acid in the wastewater is close to the upper limit for a long time. By adjusting the threshold, the sensitivity of the system warning is controlled, avoiding the system running at a dosing amount close to the upper limit for a long time, and reducing the possibility of reagent accumulation in the treatment tank. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a module schematic diagram of the acrylic acid wastewater intelligent treatment system of the application;

[0030] Figure 2 is a flowchart of the acrylic acid wastewater intelligent treatment method of the application. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0032] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0033] The application provides an intelligent acrylic acid wastewater treatment system, which comprises a continuous monitoring module, a data processing module, a concentration calculation module and a fault early warning module. Figure 1 As shown, the continuous monitoring module, the data processing module, the concentration calculation module and the fault early warning module are connected in series.

[0034] The continuous monitoring module comprises an ultraviolet spectrum sensor (characteristic wavelength 205 nm, matching the ultraviolet characteristic peak of acrylic acid) installed at a key node of the water inlet of the wastewater treatment system, so that the dynamic change of the acrylic acid concentration in the water can be monitored in real time, and the wastewater generated in the factory workshop can be discharged into the wastewater treatment system through the water inlet for treatment.

[0035] The data processing module comprises a concentration upper limit threshold value. The purpose of setting the concentration upper limit threshold value is that after the wastewater in the water inlet is discharged into the wastewater treatment system, the wastewater will be treated by adding chemicals to purify the water quality and remove harmful substances, so as to meet the discharge standard. The wastewater treatment system can adjust the amount of chemicals according to the concentration of acrylic acid in the wastewater, but in order to avoid the excessive use of chemicals remaining in the water to cause secondary pollution, there is an upper limit to the maximum amount of chemicals. Under normal circumstances, the concentration of acrylic acid in the wastewater discharged into the wastewater treatment system by the factory workshop will be in a relatively stable state. If the concentration of the water discharged into the wastewater treatment system is seriously out of standard, it will exceed the limit of chemical treatment of wastewater, so that the acrylic acid wastewater cannot be effectively treated. Therefore, the concentration upper limit threshold value should be set according to the upper limit that can be treated by the wastewater treatment system under the maximum amount of chemicals. Ideally, the concentration of acrylic acid in the wastewater in the water inlet will always be within the concentration upper limit threshold value. When the system monitors that the concentration of acrylic acid in the water in the water inlet exceeds the concentration upper limit threshold value, the concentration data of the water in the rollback time window is retrieved to obtain the average concentration of the water discharged in the rollback time window. Wherein, n represents the total amount of concentration data monitored by the system in the rollback time window, C i represents the concentration value of the ith monitoring data. For example, the length of the rollback time window can be set to 3 minutes, the system can monitor the dynamic change of the concentration of acrylic acid in the water at an interval of 5 seconds, and 36 concentration values can be monitored continuously in 3 minutes. When the system monitors that the concentration of acrylic acid in the water in the water inlet exceeds the concentration upper limit threshold value, 18 concentration values recorded in the 36 concentration values monitored in the rollback time window are 400 mg / L, and the other 18 concentration values are 600 mg / L. Therefore, it can be concluded that the average concentration of the water discharged in the rollback time window is 500 mg / L.

[0036] The concentration calculation module includes obtaining a temporary upper limit threshold value from the concentration average and the concentration upper limit threshold value, specifically, obtaining the temporary upper limit threshold value Cu=(Cm-Cj)·k+Cm from the concentration upper limit threshold value Cm and the concentration average Cj, wherein k is an adjustment factor less than 1, then comparing the real-time concentration value of the water in the water inlet monitored with the temporary upper limit threshold value, and making corresponding responses according to the comparison result;

[0037] Further, the significance of setting the temporary upper limit threshold value is that when acrylic acid wastewater is discharged into the treatment system for dosing treatment, it will remain in the treatment tank for a certain period of time to purify the water quality. Therefore, even if the system monitors that the acrylic acid concentration in the water inlet exceeds the concentration upper limit threshold value, as long as the acrylic acid concentration in the wastewater discharged into the treatment system within the rollback time window is low, the wastewater with high concentration and low concentration will be mixed in the treatment tank, so that the acrylic acid concentration value of the wastewater in the treatment tank is balanced. Therefore, after comparing the real-time concentration value with the temporary upper limit threshold value, if the real-time concentration value of acrylic acid in the water is less than or equal to the temporary upper limit threshold value, it indicates that even if the acrylic acid concentration of the wastewater in the water inlet exceeds the concentration upper limit threshold value, the wastewater can be mixed with the previously low-concentration wastewater after being discharged into the treatment system, so that the wastewater in the treatment tank can still be in a reasonable state of chemical agent purification of water quality, and the system does not make any action but records the event. If the real-time concentration value of acrylic acid in the water is greater than the temporary upper limit threshold value, it indicates that the acrylic acid concentration of the wastewater in the water inlet has seriously exceeded the concentration upper limit threshold value, and even after being mixed with low-concentration wastewater in the treatment tank, it will also cause the wastewater in the treatment tank to be in a state of exceeding the acrylic acid concentration, so the system should give a fault warning feedback to remind the operation management personnel to stop discharging the wastewater in the water inlet, find out the reason for the acrylic acid exceeding the standard, or start the standby treatment scheme. For example, the concentration upper limit threshold value can be set to 1000 mg / L, the concentration average is 500 mg / L, and the adjustment factor k is 0.6, so the temporary upper limit threshold value is (1000-500)·0.6+1000=1300 mg / L. Assuming that the system monitors that the acrylic acid concentration in the water inlet exceeds the concentration upper limit threshold value is 1200 mg / L, since it is less than the temporary upper limit threshold value 1300 mg / L, the system only records the time without making any action. Through the design of the temporary upper limit threshold value, the system can intelligently judge whether the current concentration has reached the degree that needs to be intervened immediately. Even if the acrylic acid concentration temporarily exceeds the set upper limit, when the average concentration within the rollback time window is low, the system can judge that the wastewater mixed with low-concentration wastewater can still achieve the purification effect, and unnecessary alarms or treatment stagnation will not occur. This self-adaptive control method ensures the efficiency and flexibility of the system.

[0038] The fault early warning module includes setting a fluctuation tolerance time length (i.e. the total time length of the maximum acceptable acrylic acid concentration in wastewater in a wastewater treatment operation exceeding the upper concentration threshold) and a fluctuation tolerance number (i.e. the total number of times of the maximum acceptable acrylic acid concentration in wastewater in a wastewater treatment operation exceeding the upper concentration threshold), and the wastewater treatment system records the exceeding time length and the exceeding number of times of the acrylic acid concentration in water exceeding the upper concentration threshold in the operation, and compares the exceeding time length and the exceeding number of times with the corresponding fluctuation tolerance time length and fluctuation tolerance number, respectively, and makes corresponding responses according to the comparison results; specifically, the system compares the exceeding time length of the acrylic acid concentration in water exceeding the upper concentration threshold with the fluctuation tolerance time length, and at the same time, compares the exceeding number of times of the acrylic acid concentration in water exceeding the upper concentration threshold with the fluctuation tolerance number, and when both the exceeding time length and the exceeding number of times are less than or equal to the corresponding fluctuation tolerance time length and fluctuation tolerance number, the system does not take action; when both the exceeding time length and the exceeding number of times are greater than the corresponding fluctuation tolerance time length and fluctuation tolerance number, the system makes a fault early warning feedback to remind the operation management personnel to find the cause of the acrylic acid exceeding the standard in the inlet and to take action. By setting the fluctuation tolerance time length and the fluctuation tolerance number mechanism, the system can allow the acrylic acid concentration in the wastewater at the inlet to exceed the upper limit within a specified time and a fixed number of times. In this case, the system can tolerate the short duration or the less number of occurrences, thereby avoiding frequent alarms caused by occasional fluctuations and reducing false alarms and unnecessary intervention. When the exceeding standard exceeds the set tolerance range, the system can also require intervention or investigation in a timely manner. This approach allows flexible response in actual operation, enhancing the management flexibility in the wastewater treatment process.

[0039] In addition, in the wastewater treatment system, if the wastewater concentration value at the inlet is always close to the upper concentration threshold, the dosing amount of the system will always be maintained at the highest amount. Long-term high-dose use of reagents not only increases the cost of reagent use, but also causes the reagent amount in the purification tank to be at a high level for a long time, which may cause the reagent to accumulate in the purification tank during the treatment process, affecting the water quality parameters such as pH value and dissolved oxygen content, and affecting the final effluent quality. Therefore, a concentration high-dose threshold can also be set, which is less than the upper concentration threshold, and can be 85% to 95% of the upper concentration threshold, for example, 90%, and the calculation method of the concentration high-dose threshold is upper concentration threshold * 90%. When the system detects that the acrylic acid concentration in the water at the inlet reaches the concentration high-dose threshold, it starts to record the time length of reaching the concentration high-dose threshold, and obtains the total operation time of the acrylic acid wastewater treatment, calculates the high-dose proportion value, and compares the high-dose proportion value with the reagent amount proportion early warning threshold to make corresponding responses.

[0040] Specifically, the high-dose proportion value is obtained by the time length Ns of the wastewater concentration in the inlet reaching the concentration high-dose threshold and the total operation time Zs of the wastewater treatment If the high-dosage proportion value does not reach the dosage proportion early warning threshold value, it indicates that the concentration of acrylic acid in the wastewater in the water inlet is maintained at a reasonable level most of the time when the wastewater is discharged into the wastewater treatment system, and the system does not take action; if the high-dosage proportion value reaches the dosage proportion early warning threshold value, it indicates that the concentration of acrylic acid in the wastewater in the water inlet is maintained at a high concentration level very close to the upper concentration threshold value most of the time when the wastewater is discharged into the wastewater treatment system, although it does not exceed the upper concentration threshold value, it also causes the system to maintain the highest dosage of medicament in the treatment tank for a long time, at which time the system should execute the concentration requirement dynamic adjustment strategy;

[0041] The concentration requirement dynamic adjustment strategy includes: obtaining a threshold difference by subtracting the upper concentration threshold value from the high concentration threshold value, dividing the threshold difference into a first half difference segment and a second half difference segment, and marking the first half difference segment and the second half difference segment as a second level difference segment and a first level difference segment respectively, when the high-dosage proportion value is greater than the dosage proportion early warning threshold value, the system will average all recorded acrylic acid concentrations that exceed the high concentration threshold value, and obtain a concentration exceeding difference by subtracting the high concentration threshold value from the average value, and select the corresponding upper concentration threshold value adjustment method according to whether the concentration exceeding difference falls into the second level difference segment or the first level difference segment; the upper concentration threshold value adjustment method is: obtaining an upper concentration adjustment threshold value wherein w represents the corresponding level difference segment into which the concentration exceeding difference falls, i.e. w is 2 when falling into the second level difference segment, and w is 1 when falling into the first level difference segment. In combination with the above example, the upper concentration threshold value can be set to 1000 mg / L, the high concentration threshold value can be set to 1000 mg / L*90% = 900 mg / L, the threshold difference is 100 mg / L, the dosage proportion early warning threshold value is set to 60%, and the total length of the wastewater treatment operation is 10h. During the treatment operation, the system monitored that the acrylic acid concentration in the water inlet was maintained at 960 mg / L for the first 6h, and the high-dosage proportion value has reached 60%, i.e. the dosage proportion early warning threshold value, at which time the system executes the concentration requirement dynamic adjustment strategy. Since the threshold difference is 100 mg / L, 0-50 mg / L is set as the first half difference segment (second level difference segment), and 50-100 mg / L is set as the second half difference segment (first level difference segment). Since the concentration value exceeding the high concentration threshold value is 960 mg / L, the concentration exceeding difference is 60 mg / L, which falls within the range of the first level difference segment. Therefore, the upper concentration adjustment threshold value is In this operation, the system will use the upper concentration adjustment threshold value instead of the upper concentration threshold value, so that if the acrylic acid concentration in the water inlet is always close to the acceptable upper limit during the treatment of the acrylic acid wastewater, the system will maintain the highest dosage, and the concentration upper limit threshold value can be dynamically adjusted to respond to the long-term maintenance of high dosage of the system.

[0042] Overall, the present application aims to design an intelligent acrylic acid wastewater treatment system. In the factory workshop where acrylic acid wastewater is produced, the concentration of acrylic acid in the wastewater will inevitably fluctuate. This temporary and intermittent concentration fluctuation may lead to excessive reaction of the system, increasing unnecessary intervention and warning. When the concentration of acrylic acid in the water at the inlet is monitored to exceed the standard, the mechanism of the rollback time window is used to smooth the concentration change in a short period of time, making the response to concentration fluctuations more flexible. Through the calculation of the temporary upper limit threshold, the system can intelligently determine whether the current concentration has reached the level that requires immediate intervention. Even if the concentration of acrylic acid temporarily exceeds the set upper limit, when the average concentration within the rollback time window is low, the system can determine that the wastewater mixed with low concentration wastewater can still achieve purification effect, and unnecessary alarms or treatment stagnation will not occur. Through the design of fluctuation tolerance time and fluctuation tolerance times, the system can effectively avoid overreaction to occasional short-term or few-time concentration fluctuations, improve system fault tolerance, and establish a clear tolerance standard so that the system can issue an alarm only when intervention is really needed, ensuring that the operator can timely detect and take appropriate measures. Moreover, the present application can dynamically adjust the concentration upper limit threshold, especially when the concentration of acrylic acid in the wastewater is close to the upper limit for a long time. By adjusting the threshold, the sensitivity of the system warning can be controlled to avoid the system running at a drug dosage close to the upper limit for a long time, reducing the possibility of drug accumulation in the treatment tank.

[0043] The present application provides an intelligent acrylic acid wastewater treatment method, as shown in Figure 2 The method comprises the following steps: installing an ultraviolet spectrum sensor at the inlet key node of the wastewater treatment system to continuously monitor the dynamic change of the concentration of acrylic acid in the water in real time; setting a concentration upper limit threshold, when the concentration of acrylic acid in the water at the inlet is monitored to exceed the concentration upper limit threshold, retrieving the concentration data of the water in the rollback time window to obtain the average concentration of the water discharged within the rollback time window; obtaining a temporary upper limit threshold by comparing the concentration average and the concentration upper limit threshold, comparing the real-time concentration value of the water in the inlet with the temporary upper limit threshold, and making a corresponding response according to the comparison result; setting a fluctuation tolerance time and a fluctuation tolerance times, recording the exceeding time and the exceeding times of the concentration of acrylic acid in the water exceeding the concentration upper limit threshold in a processing operation, and comparing the exceeding time and the exceeding times with the corresponding fluctuation tolerance time and fluctuation tolerance times, respectively, and making a corresponding response according to the comparison result.

[0044] The processes described above with reference to the flowcharts can be implemented as computer software programs in accordance with embodiments of the present disclosure. Embodiments of the present disclosure include a computer program product comprising a computer program carried on a computer readable medium, the computer program comprising program code for performing the methods illustrated by the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via a communication section, and / or installed from a detachable medium. When the computer program is executed by a central processing unit, the above-described functions defined in the methods of the present application are performed. It should be noted that the computer readable medium of the present application can be a computer readable signal medium or a computer readable storage medium or any combination of the two. The computer readable storage medium may, for example, but not limited to, be an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or any combination of the above. More specific examples of the computer readable storage medium can include, but are not limited to, an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory, a read-only memory, an erasable programmable read-only memory, an optical fiber, a portable compact disk read-only memory, an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present application, the computer readable storage medium can be any tangible medium that contains or stores a program that can be used by or in connection with an instruction execution system, apparatus or device. In the present application, the computer readable signal medium can include a data signal carried in a baseband or as a part of a carrier wave, in which a computer readable program code is carried. Such a propagated data signal can take many forms, including but not limited to, an electromagnetic signal, an optical signal or any suitable combination of the above. The computer readable signal medium can also be any computer readable medium that can send, propagate or transfer a program for use by or in connection with an instruction execution system, apparatus or device. The program code contained on the computer readable medium can be transmitted by any suitable medium, including but not limited to, wireless, wire, optical cable, RF or any suitable combination of the above.

[0045] The computer program product of the present application can be a computer program product, which is a machine-readable medium (or media) having stored therein some code (i.e., some computer code or software) that, when executed by a machine, causes the machine to perform any of the functions disclosed herein. Note that the computer program product can be a non-transitory computer program product. The term "non-transitory" does not mean that the computer program product is entirely non-transitory during the entire period of time that the computer program product exists or is in use. The term "non-transitory" means that the computer program product is not maintained in a transitory signal form for any duration of time. In other words, the computer program product is maintained in a non-transitory, tangible form for at least some duration of time while the computer program product is in use.

[0046] Those skilled in the art will understand that the above description is only one implementation of the application in view of the teachings of the present application. Therefore, many changes and modifications can be made by those skilled in the art to the functions and implementations described herein without departing from the scope of the present application which is set forth in the following claims.

Claims

1. An intelligent acrylic acid wastewater treatment system, characterized in that, The application relates to a wastewater treatment system, which comprises a continuous monitoring module, a data processing module, a concentration calculation module, a concentration requirement dynamic adjustment strategy, a fault early warning module and a concentration calculation module. The continuous monitoring module comprises an ultraviolet spectrum sensor installed at a key node of a water inlet of the wastewater treatment system, which continuously monitors the dynamic change of the concentration of acrylic acid in water in real time. The data processing module comprises a concentration upper limit threshold value, and when the concentration of acrylic acid in the water inlet is monitored to exceed the concentration upper limit threshold value, the concentration data of the water in a rollback time window is retrieved to obtain the concentration average value in the rollback time window. The rollback time window is specifically a time period before the system detects that the concentration of acrylic acid in the water inlet exceeds the upper concentration threshold. The average concentration of the effluent is calculated by the length of the rollback time window and the concentration value recorded in the rollback time window wherein n represents the total amount of concentration value data monitored by the system in the rollback time window, C i represents the concentration value of the ith monitoring data; The concentration calculation module comprises a temporary upper limit threshold value obtained by the concentration average value and the concentration upper limit threshold value, and the real-time concentration value of the water in the water inlet is compared with the temporary upper limit threshold value, and a corresponding reaction is made according to the comparison result. A concentration high amount threshold value is set, which is smaller than the concentration upper limit threshold value, and when the system monitors that the concentration of acrylic acid in the water inlet reaches the concentration high amount threshold value, the time length of reaching the concentration high amount threshold value is recorded, the total operation time length of the acrylic acid wastewater treatment is obtained, the high drug amount proportion value is calculated, the high drug amount proportion value is compared with the drug amount proportion early warning threshold value, and a corresponding reaction is made. The high drug amount proportion value Bz=Ns÷Zs is obtained by the time length Ns of the wastewater concentration reaching the concentration high amount threshold value in the water inlet and the total operation time length Zs of the wastewater treatment, and if the high drug amount proportion value does not reach the drug amount proportion early warning threshold value, the system does not make any action; if the high drug amount proportion value reaches the drug amount proportion early warning threshold value, the system should execute the concentration requirement dynamic adjustment strategy. The concentration requirement dynamic adjustment strategy comprises the following steps: the concentration upper limit threshold value is subtracted from the concentration high amount threshold value to obtain a threshold difference, the threshold difference is divided into a first-half difference segment and a second-half difference segment, the first-half difference segment takes the first half of the threshold difference, the second-half difference segment takes the second half of the threshold difference, and the first-half difference segment and the second-half difference segment are respectively marked as a second-level difference segment and a first-level difference segment, when the high drug amount proportion value is greater than the drug amount proportion early warning threshold value, the system calculates the average value of all recorded acrylic acid concentration values exceeding the concentration high amount threshold value, the average value is subtracted from the concentration high amount threshold value to obtain a concentration exceeding difference, and according to whether the concentration exceeding difference falls into the second-level difference segment or the first-level difference segment, a corresponding concentration upper limit threshold value is selected for down-regulation; the concentration upper limit threshold value down-regulation mode is: the concentration upper limit adjustment threshold value Uy=Gn+Un÷(w+1) is obtained by the concentration high amount threshold value Gn and the threshold difference Un, wherein w represents the corresponding level difference segment into which the concentration exceeding difference falls, that is, w is 2 when falling into the second-level difference segment and w is 1 when falling into the first-level difference segment. The fault early warning module comprises a fluctuation tolerance time length and a fluctuation tolerance number of times, the exceeding time length and the exceeding number of times of the acrylic acid concentration exceeding the concentration upper limit threshold value in water in one treatment operation are recorded, and the exceeding time length and the exceeding number of times are compared with the corresponding fluctuation tolerance time length and the fluctuation tolerance number of times, and a corresponding reaction is made according to the comparison result.

2. The intelligent acrylic acid wastewater treatment system according to claim 1, characterized in that, The specific way of obtaining the temporary upper limit threshold value is: the temporary upper limit threshold value Cu= (Cm-Cj) x k+Cm is obtained by the concentration upper limit threshold value Cm and the concentration average value Cj, wherein k is an adjustment factor less than 1. 3.The intelligent acrylic acid wastewater treatment system according to claim 2, characterized in that, After comparing the real-time concentration value with the temporary upper threshold value, if the real-time concentration value of acrylic acid in water is less than or equal to the temporary upper threshold value, the system does not take action but records the event; if the real-time concentration value of acrylic acid in water is greater than the temporary upper threshold value, the system should give a fault warning feedback to remind the operation management personnel to stop the discharge of wastewater in the inlet and find the reason for the over-standard of acrylic acid in the inlet.

4. The intelligent acrylic acid wastewater treatment system according to claim 3, characterized in that, The exceeding duration of the concentration of acrylic acid in water exceeding the concentration upper threshold value is compared with the fluctuation tolerance duration, and the exceeding number of the concentration of acrylic acid in water exceeding the concentration upper threshold value is compared with the fluctuation tolerance number, when the exceeding duration and the exceeding number are less than or equal to the corresponding fluctuation tolerance duration and fluctuation tolerance number, the system does not take action; when the exceeding duration and the exceeding number are greater than the corresponding fluctuation tolerance duration and fluctuation tolerance number, the system gives a fault warning feedback to remind the operation management personnel to find the reason for the over-standard of acrylic acid in the inlet and make a response.

5. A method for intelligent treatment of acrylic acid wastewater, characterized in that, An acrylic acid wastewater intelligent processing system according to any one of claims 1-4, the method comprising the following steps: An ultraviolet spectrum sensor is installed at the inlet key node of the wastewater treatment system to continuously monitor the dynamic change of the concentration of acrylic acid in water in real time; A concentration upper threshold value is set, when it is monitored that the concentration of acrylic acid in water in the inlet exceeds the concentration upper threshold value, the concentration data of water in the rollback time window is retrieved to obtain the average concentration in the rollback time window; A temporary upper threshold value is obtained by the concentration average value and the concentration upper threshold value, the real-time concentration value of water in the inlet is compared with the temporary upper threshold value, and corresponding responses are made according to the comparison results; A fluctuation tolerance duration and a fluctuation tolerance number are set, the exceeding duration and the exceeding number of the concentration of acrylic acid in water exceeding the concentration upper threshold value are recorded in a processing operation, and the exceeding duration and the exceeding number are compared with the corresponding fluctuation tolerance duration and fluctuation tolerance number respectively, and corresponding responses are made according to the comparison results.

6. A computer readable storage medium characterized by, The computer readable storage medium stores a computer program, and the computer program is executed by the processor to realize the acrylic acid wastewater intelligent processing system according to any one of claims 1-4.

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