Water treatment method and system in high-altitude environment

Abstract

The invention discloses a water treatment method and system in a high-altitude environment. The method comprises the following steps: acquiring ph value data and carbon dioxide flow data in real time; when the ph value data does not meet the preset ph value requirement, iterative initialization of the adjustment amount of the carbon dioxide flow data is carried out according to the ph value data and a database; performing iterative calculation on the adjustment amount after iterative initialization, and taking half of the adjustment amount iterated last time as the adjustment amount iterated this time during each iterative calculation; and adjusting the carbon dioxide flow data through the adjustment amount iterated each time until the ph value data meets the preset ph value requirement. According to the method, the construction wastewater can be neutralized without analyzing a complex neutralization reaction equilibrium process and strictly monitoring air pressure change and temperature change of a high-altitude area, the neutralization treatment result is controllable, the pH value of reclaimed water can be controlled within an ideal range, and the method has very good adaptability.

Description

Technical Field

[0001] The present invention relates to the automatic control technology of sewage treatment, and particularly to a water treatment method and system in a high-altitude environment. Background Art

[0002] A large amount of construction wastewater is generated during engineering construction, and its main sources include earthwork wastewater, construction machinery and vehicle washing wastewater, concrete curing wastewater, building material cleaning wastewater, etc.; these construction wastewaters are generally alkaline, so neutralization treatment is required during the process of treating them to produce reclaimed water.

[0003] When treating construction wastewater in a high-altitude environment, the temperature is relatively low and the temperature difference is large. At the same time, there is generally a problem of low air pressure in the high-altitude environment. Both temperature and air pressure will affect the neutralization treatment process of construction wastewater. The water chemical reaction in the neutralization treatment process is relatively complex. Especially when neutralizing with carbon dioxide gas, it is extremely difficult to control the pH value of the finally produced reclaimed water; although there are some technical solutions for feedback control through methods such as BP neural network in the prior art, their control processes are complex and the costs are high, which is not conducive to use at the construction site. Summary of the Invention

[0004] In order to at least overcome the above deficiencies in the prior art, the purpose of the present application is to provide a water treatment method and system in a high-altitude environment.

[0005] In a first aspect, an embodiment of the present application provides a water treatment method in a high-altitude environment, including:

[0006] Obtaining in real time the pH value data of the reclaimed water at the water outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input to the reclaimed water neutralization device;

[0007] When the pH value data does not meet the preset pH value requirement, perform iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the database;

[0008] After iterative initialization, perform iterative calculation on the adjustment amount. Each time iterative calculation is performed, take half of the adjustment amount iterated in the previous iteration as the adjustment amount iterated in this iteration;

[0009] Adjust the carbon dioxide flow rate data through the adjustment amount iterated each time until the pH value data meets the preset pH value requirement.

[0010] When the embodiment of the present application is implemented and the reclaimed water neutralization device is working, during the construction wastewater passing through the precipitation and other pre-treatment processes, it will enter the device through its inlet end. Carbon dioxide gas will be introduced into the device for neutralization reaction to form reclaimed water. The main purpose of the present application is to adjust the flow rate of carbon dioxide so that the pH value of the reclaimed water reaches that of neutral water, and the most ideal situation is to reach a pH value of 7. To achieve the above purpose, the present application adopts a technical solution of iterative control, in which it is necessary to first obtain the pH value data of the reclaimed water at the outlet end and the carbon dioxide flow rate data for neutralization.

[0011] In the embodiment of the present application, the preset pH value requirement can be to reach a pH value of 7, or it can be within a certain range of 7, such as reaching 6.9 - 7.1; when the pH value data does not meet the preset pH value requirement, it indicates that the carbon dioxide flow rate needs to be adjusted. Since the flow rate is adjusted in an iterative manner, it is necessary to first set the iterative initialization conditions, which can be obtained based on the pH value data and the database; in the present application, the iterative data is the adjustment amount of the carbon dioxide flow rate, and iterative initialization will assign an initial value to this adjustment amount; in the iterative calculation, each iterative calculation calculates half of the adjustment amount obtained in the previous iteration for adjustment. It should be understood that if the pH value data is greater than the preset pH value requirement, it indicates that the carbon dioxide flow rate is insufficient, so the adjustment of the carbon dioxide flow rate by the adjustment amount this time is an increment; if the pH value data is less than the preset pH value requirement, it indicates that the carbon dioxide flow rate is excessive, so the adjustment of the carbon dioxide flow rate by the adjustment amount this time is a decrement. For example, when the initial value of the adjustment amount at initialization is Q0, and the pH value data at this time is 7.2, which is higher than the preset pH value of 7, then the carbon dioxide flow rate is increased by Q0 by controlling the pump; then continue to monitor the pH value data, and it is found that the pH value data is 6.9, which is lower than the preset pH value of 7, then calculate Q1 = Q0 / 2, and the carbon dioxide flow rate is reduced by Q1 by controlling the pump; and so on, until the pH value data meets the preset pH value requirement. Through the above technical solution, the embodiment of the present application can stably control the outlet pH value within the standard range by constructing an intelligent regulation system with self-adaptive environmental parameters, without the need for manual intervention for air pressure / temperature compensation, and is particularly suitable for harsh working conditions with an altitude of more than 3000 meters and a daily temperature difference exceeding 25°C.

[0012] In a possible implementation manner, the database includes data pairs arranged in time sequence; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

[0013] In a possible implementation manner, the acquisition of the delay time includes:

[0014] Calibrate the changes in the pH value data and the carbon dioxide flow rate data at a preset period;

[0015] During calibration, input a pulse increment of carbon dioxide to the reclaimed water neutralization device, and record the pulse peak moment in the carbon dioxide flow rate data as the peak moment;

[0016] Record the pulse valley moment in the pH value data as the valley moment;

[0017] Take the difference between the valley moment and the peak moment as the delay time.

[0018] In a possible implementation, the iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and a preset database includes:

[0019] Traverse the database and find the data pair closest to the current pH value data as the starting data pair;

[0020] Starting from the starting data pair, traverse the database along the time sequence to find the data pair that reaches the preset pH value and has the closest time sequence position to the starting data pair as the ending data pair;

[0021] Calculate the difference between the carbon dioxide flow rate data in the ending data pair and the starting data pair as the initial iterative adjustment amount to complete the iterative initialization.

[0022] In a possible implementation, the iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and a preset database further includes:

[0023] When the number of data pairs in the database is insufficient, use the preset initial adjustment amount as the initial iterative adjustment amount to complete the iterative initialization.

[0024] In a possible implementation, the generation of the database includes:

[0025] After each iteration, record the adjustment moment of the carbon dioxide flow rate, the adjusted carbon dioxide flow rate data, and the pH value data after the delay time;

[0026] Form data pairs from the adjusted carbon dioxide flow rate data and the pH value data after the delay time, and arrange the corresponding data along the time sequence according to the adjustment moment to form the database.

[0027] In a possible implementation, the database uses a first-in-first-out database with a fixed data volume;

[0028] When a new data pair is generated, add the data pair to the database, and delete the data pair at the forefront of the time series that exceeds the fixed data volume to complete the update of the database.

[0029] In a second aspect, the present application further provides a water treatment system in a high-altitude environment, including:

[0030] A sampling unit configured to acquire in real time the pH value data of the reclaimed water at the water outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input to the reclaimed water neutralization device;

[0031] An initialization unit configured to, when the pH value data does not meet the preset pH value requirement, perform iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the database;

[0032] An iteration unit configured to perform iterative calculation on the adjustment amount after iterative initialization, and use half of the adjustment amount obtained in the previous iteration as the adjustment amount obtained in the current iteration each time of iterative calculation;

[0033] An adjustment unit configured to adjust the carbon dioxide flow rate data by the adjustment amount obtained in each iteration until the pH value data meets the preset pH value requirement.

[0034] In a possible implementation manner, the database includes data pairs arranged in time series; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

[0035] In a possible implementation manner, it further includes a calculation unit for calculating the delay time, and the calculation unit is further configured to:

[0036] Calibrate the changes in the pH value data and the carbon dioxide flow rate data at a preset period;

[0037] During calibration, input a pulse increment of carbon dioxide to the reclaimed water neutralization device, and record the pulse peak moment in the carbon dioxide flow rate data as the peak moment;

[0038] Record the pulse valley moment in the pH value data as the valley moment;

[0039] Take the difference between the valley moment and the peak moment as the delay time.

[0040] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0041] The water treatment method and system in a high-altitude environment of the present invention do not require complex analysis of the neutralization reaction balance process, nor do they require strict monitoring of air pressure changes and temperature changes in high-altitude areas to achieve the neutralization treatment of construction wastewater. Moreover, the neutralization treatment result is controllable, and the pH value of the reclaimed water can be controlled within an ideal range, having very good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The drawings described herein are used to provide a further understanding of the embodiments of the present invention, form a part of this application, and do not constitute a limitation on the embodiments of the present invention. In the drawings:

[0043] Figure 1 It is a schematic diagram of the method steps of the embodiments of this application;

[0044] Figure 2 It is a schematic diagram of the control flow of this application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0045] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. It should be understood that the drawings in this application are only for the purpose of illustration and description, and are not used to limit the protection scope of this application. In addition, it should be understood that the schematic drawings are not drawn to scale. The flowcharts used in this application illustrate the operations implemented according to some embodiments of the embodiments of this application. It should be understood that the operations in the flowchart may not be implemented in sequence, and the steps without logical context relationships may be reversed or implemented simultaneously. In addition, those skilled in the art can add one or more other operations to the flowchart or remove one or more operations from the flowchart under the guidance of the content of this application.

[0046] In addition, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. The components of the embodiments of this application usually described and illustrated in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of this application claimed, but only represents the selected embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of this application.

[0047] Referring to Figure 1 , it is a schematic flowchart of the water treatment method in a high-altitude environment provided by the embodiments of the present invention. Further, the water treatment method in a high-altitude environment may specifically include the content described in the following steps S1 - S4.

[0048] S1: Obtain the pH value data of the reclaimed water at the outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input into the reclaimed water neutralization device in real time;

[0049] S2: When the pH value data does not meet the preset pH value requirement, perform iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the database;

[0050] S3: After iterative initialization, perform iterative calculation on the adjustment amount. Each time iterative calculation is performed, take half of the adjustment amount obtained in the previous iteration as the adjustment amount obtained in this iteration;

[0051] S4: Adjust the carbon dioxide flow rate data by the adjustment amount obtained each time until the pH value data meets the preset pH value requirement.

[0052] When the embodiments of the present application are implemented, when the reclaimed water neutralization device is working, the construction wastewater will enter the device through its inlet end after pre-treatment processes such as sedimentation. Carbon dioxide gas will be introduced into the device for neutralization reaction to form reclaimed water. The main purpose of the present application is to adjust the flow rate of carbon dioxide so that the pH value of the reclaimed water reaches that of neutral water, and the most ideal situation is to reach a pH value of 7. To achieve the above purpose, the present application adopts a technical solution of iterative control, in which it is necessary to first obtain the pH value data of the reclaimed water at the outlet end and the carbon dioxide flow rate data for neutralization.

[0053] In the embodiments of the present application, the preset pH value requirement may be to reach a pH value of 7, or within a certain range of 7, such as reaching 6.9 to 7.1; when the pH value data does not meet the preset pH value requirement, it indicates that the carbon dioxide flow rate needs to be adjusted. Since the flow rate adjustment is carried out in an iterative manner, it is necessary to first set the conditions for iterative initialization, and this condition can be obtained based on the pH value data and the database; in the present application, the iterative data is the adjustment amount of the carbon dioxide flow rate, and iterative initialization will assign an initial value to this adjustment amount; in the iterative calculation, each iterative calculation calculates half of the adjustment amount obtained in the previous iteration for adjustment. It should be understood that if the pH value data is greater than the preset pH value requirement, it indicates that the carbon dioxide flow rate is insufficient, so the adjustment of the carbon dioxide flow rate by the adjustment amount this time is an increment; if the pH value data is less than the preset pH value requirement, it indicates that the carbon dioxide flow rate is excessive, so the adjustment of the carbon dioxide flow rate by the adjustment amount this time is a decrement. By way of example, when the initial value of the adjustment amount during initialization is Q0 and the pH value data at this time is 7.2, which is higher than the preset pH value of 7, then the carbon dioxide flow rate is increased by Q0 by controlling the pump; then continue to monitor the pH value data and find that the pH value data is 6.9, which is lower than the preset pH value of 7, then calculate Q1 = Q0 / 2, and reduce the carbon dioxide flow rate by Q1 by controlling the pump; and so on until the pH value data meets the preset pH value requirement. Through the above technical solutions, the embodiments of the present application can stably control the effluent pH value within the standard range without manual intervention for air pressure / temperature compensation by constructing an intelligent regulation system adaptable to environmental parameters, and are particularly suitable for harsh working conditions with an altitude of more than 3000 meters and a daily temperature difference exceeding 25°C.

[0054] In a possible implementation manner, the database includes data pairs arranged in time sequence; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

[0055] When implementing the embodiments of the present application, a specific database solution is provided, which needs to include three types of data: time, carbon dioxide flow rate data, and the corresponding pH value data. Among them, the carbon dioxide flow rate data and the corresponding pH value data can form a data pair, and the data pairs arranged in time sequence can be formed by sorting the time.

[0056] In a possible implementation manner, the acquisition of the delay time includes:

[0057] Calibrate the changes in the pH value data and the carbon dioxide flow rate data at a preset period;

[0058] During calibration, a pulse increment of carbon dioxide is input into the reclaimed water neutralization device, and the moment of the pulse peak appearing in the carbon dioxide flow rate data is recorded as the peak moment;

[0059] The moment of the pulse valley appearing in the pH value data is recorded as the valley moment;

[0060] The difference between the valley moment and the peak moment is used as the delay time.

[0061] When the embodiment of the present application is implemented, the construction wastewater pretreated by precipitation and the like will be filled with carbon dioxide gas when entering the reclaimed water neutralization device. At the same time, the reclaimed water neutralization device will provide a certain reaction time for the neutralization reaction and then flow out of the reclaimed water neutralization device. At this time, the process time for the carbon dioxide gas to take effect is the delay time. In order to accurately monitor this delay time, it is necessary to calibrate the delay time periodically. The specific calibration process is to input a pulse increment of carbon dioxide. At this time, an obvious peak will appear in the carbon dioxide flow rate data, and the corresponding moment is the peak moment; at the same time, due to the appearance of excessive carbon dioxide in the reclaimed water, the acidity will have a maximum value, which is manifested as an obvious valley in the pH value data, and the corresponding moment is the valley moment; by calculating the time difference between the valley moment and the peak moment, the delay time can be obtained.

[0062] In a possible implementation manner, the iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and a preset database includes:

[0063] Traverse the database and find the data pair closest to the current pH value data as the starting data pair;

[0064] Starting from the starting data pair, traverse the database along the time sequence to find the data pair that reaches the preset pH value and has the closest time sequence position to the starting data pair as the ending data pair;

[0065] Calculate the difference between the carbon dioxide flow rate data in the ending data pair and the starting data pair as the initial iterative adjustment amount to complete the iterative initialization.

[0066] When the embodiment of this application is implemented, the purpose of iterative initialization is to reduce the number of iterations for the pH value data to reach the preset pH value and improve the iterative efficiency. Therefore, it is necessary to first traverse the database to find the starting data pair, where the pH value data in the starting data pair is closest to the current pH value data. At the same time, the database is generated in multiple previous iterations, that is, the database records the whole process of adjusting the pH value data corresponding to the starting data pair to the preset pH value. This process can be retrieved by traversing the database along the time sequence from the starting data pair to find the ending data pair. At this time, the difference in the carbon dioxide flow rate data between the ending data pair and the starting data pair represents the optimal solution that this process may achieve. Using this difference as the initial iterative adjustment amount can effectively reduce the number of iterations and improve the calculation efficiency.

[0067] In a possible implementation manner, the iterative initialization of the adjustment amount of the carbon dioxide flow rate according to the pH value data and the preset database further includes:

[0068] When the number of data pairs in the database is insufficient, use the preset initial adjustment amount as the initial iterative adjustment amount to complete the iterative initialization.

[0069] When the embodiment of this application is implemented, since the database needs to be constructed by the data generated through multiple iterative controls, there may be a situation where the database data is insufficient in the initial stage of use. At this time, a fixed initial adjustment amount can be used as the initial iterative adjustment amount for iterative initialization.

[0070] In a possible implementation manner, the generation of the database includes:

[0071] After each iteration, record the adjustment time of the carbon dioxide flow rate, the adjusted carbon dioxide flow rate data, and the pH value data after the delay time;

[0072] Form a data pair with the adjusted carbon dioxide flow rate data and the pH value data after the delay time, and arrange the corresponding data along the time sequence according to the adjustment time to form the database.

[0073] When the embodiment of this application is implemented, the generation of the database also occurs along with the above iterative process. After each iteration ends, the adjustment time, the carbon dioxide flow rate data, and the pH value data after the delay time can be obtained. At this time, the carbon dioxide flow rate data and the pH value data after the delay time can form a data pair and carry the label of the adjustment time. The database can be formed by sorting the labels.

[0074] In a possible implementation manner, the database adopts a first-in-first-out database with a fixed data volume;

[0075] When a new data pair is generated, add the data pair to the database, and delete the data pair at the forefront of the time sequence that exceeds the fixed data volume to complete the update of the database.

[0076] When the embodiment of the present application is implemented, a first-in, first-out database is adopted, that is, the data that enters first will be cleaned out of the database first. Such a database can realize database update through various data pairs in continuous iterative processes.

[0077] Please refer to Figure 2 , which shows the overall process controlled by the present application. Among them, the database runs on the pump PLC of the reclaimed water neutralization device using embedded MySQL. At the same time, the pH value data of the reclaimed water at the outlet end of the reclaimed water neutralization device is monitored by a pH value monitor, and the carbon dioxide flow data is monitored by a flow meter.

[0078] When the reclaimed water neutralization device is used for the first time, the pump PLC controls the pump to pump carbon dioxide into the reclaimed water neutralization device based on the initial carbon dioxide flow summarized from experience, and at the same time obtains the initial adjustment amount ΔQ. The carbon dioxide flow data monitored at time T1 is Q1, and the pH value data monitored at time T1+Δt is H1. At this time, H1 is greater than 7, indicating that carbon dioxide needs to be increased. Then the pump PLC increases the carbon dioxide pumping amount by ΔQ through power control, and calculates ΔQ / 2 as the next adjustment amount; the carbon dioxide flow data monitored at time T2=T1+Δt is Q2=Q1+ΔQ, and the pH value data is H2. At this time, H2 is still greater than 7, indicating that carbon dioxide needs to be increased. Then the pump PLC increases the carbon dioxide pumping amount by ΔQ / 2 through power control, and calculates ΔQ / 4 as the next adjustment amount, and so on until the pH value data = 7.

[0079] At the same time, the above data will be recorded in the MySQL database and presented in the following table:

[0080] moment carbon dioxide flow rate data pH value data after Δt T1 Q1 H1 T2 Q2 H2 …… …… …… Tn Qn Hn

[0081] With the changes in air pressure, temperature, and the wastewater entering the device, at time T1*, the pH value data is H1* greater than 7. At this time, retrieve through the MySQL database to find the pH value data closest to H1*, and find the corresponding carbon dioxide flow data. Then traverse and retrieve along the time sequence to find the carbon dioxide flow data corresponding to the pH value data reaching 7. Take the absolute value of the difference between these two carbon dioxide flow data as the initial adjustment amount for the next round of iterative calculation.

[0082] Based on the same inventive concept, the present application also provides a water treatment system in a high-altitude environment, including:

[0083] A sampling unit, configured to acquire in real time the pH value data of the reclaimed water at the water outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input to the reclaimed water neutralization device;

[0084] An initialization unit, configured to, when the pH value data does not meet the preset pH value requirement, perform iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the database;

[0085] An iteration unit, configured to perform iterative calculation on the adjustment amount after iterative initialization, and use half of the adjustment amount obtained in the previous iteration as the adjustment amount obtained in the current iteration each time iterative calculation is performed;

[0086] An adjustment unit, configured to adjust the carbon dioxide flow rate data by the adjustment amount obtained in each iteration until the pH value data meets the preset pH value requirement.

[0087] In a possible implementation manner, the database includes data pairs arranged in time sequence; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

[0088] In a possible implementation manner, it further includes a calculation unit for calculating the delay time, and the calculation unit is further configured to:

[0089] Calibrate the changes in the pH value data and the carbon dioxide flow rate data at a preset period;

[0090] During calibration, input a pulse increment of carbon dioxide to the reclaimed water neutralization device, and record the moment of the pulse peak value that appears in the carbon dioxide flow rate data as the peak moment;

[0091] Record the moment of the pulse valley value that appears in the pH value data as the valley moment;

[0092] Take the difference between the valley moment and the peak moment as the delay time.

[0093] Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the components and steps of each example have been generally described according to functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present invention.

[0094] In several embodiments provided by the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed coupling or direct coupling or communication connection to each other can be an indirect coupling or communication connection through some interfaces, devices or units, and can also be in the form of electrical, mechanical or other connections.

[0095] The units described as separate components may or may not be physically separated. Obviously, those of ordinary skill in the art can realize that, for the units and algorithm steps of each example described in combination with the embodiments disclosed herein, they can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described according to functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present invention.

[0096] In addition, in each embodiment of the present invention, the functional units can be integrated into a processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

[0097] If the above-mentioned integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for causing a computer device (which can be a personal computer, a server, or a grid device, etc.) to execute all or part of the steps of the methods described in each embodiment of the present invention. The foregoing storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memories (ROM, Read-Only Memory), random access memories (RAM, Random Access Memory), magnetic disks, or optical discs that can store program codes.

[0098] The specific embodiments described above further elaborate on the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only the specific embodiments of the present invention and is not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A water treatment method in a high-altitude environment, characterized in that, Comprising: Obtaining in real time the pH value data of the reclaimed water at the outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input into the reclaimed water neutralization device; When the pH value data does not meet the preset pH value requirement, performing iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the database; After iterative initialization, performing iterative calculation on the adjustment amount, and taking half of the adjustment amount obtained in the previous iteration as the adjustment amount obtained in the current iteration each time; Adjusting the carbon dioxide flow rate data by the adjustment amount obtained in each iteration until the pH value data meets the preset pH value requirement.

2. The water treatment method in a high altitude environment according to claim 1, wherein The database includes data pairs arranged in time sequence; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

3. The water treatment method in a high altitude environment according to claim 2, wherein, The obtaining of the delay time includes: Calibrating the changes in the pH value data and the carbon dioxide flow rate data at a preset period; During calibration, inputting a pulse increment of carbon dioxide into the reclaimed water neutralization device, and recording the moment of the pulse peak appearing in the carbon dioxide flow rate data as the peak moment; Recording the moment of the pulse valley appearing in the pH value data as the valley moment; Taking the difference between the valley moment and the peak moment as the delay time.

4. The water treatment method in a high altitude environment according to claim 2, wherein The iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the preset database includes: Traversing the database and finding the data pair closest to the current pH value data as the starting data pair; Starting from the starting data pair, traversing the database in time sequence to find the data pair that reaches the preset pH value and is closest to the starting data pair in time sequence position as the ending data pair; Calculating the difference between the carbon dioxide flow rate data in the ending data pair and the starting data pair as the initial iterative adjustment amount to complete the iterative initialization.

5. The water treatment method in a high-altitude environment according to claim 4, characterized in that, The iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and the preset database further includes: When the number of data pairs in the database is insufficient, using the preset initial adjustment amount as the initial iterative adjustment amount to complete the iterative initialization.

6. The water treatment method in a high altitude environment according to claim 2, characterized in that, The generation of the database includes: After each iteration, recording the adjustment moment of the carbon dioxide flow rate, the adjusted carbon dioxide flow rate data, and the pH value data after the delay time; Forming a data pair from the adjusted carbon dioxide flow rate data and the pH value data after the delay time, and arranging the corresponding data in time sequence according to the adjustment moment to form the database.

7. The water treatment method in a high-altitude environment according to claim 6, characterized in that, The database adopts a first-in-first-out database with a fixed data volume; When a new data pair is generated, adding the data pair to the database, and deleting the data pair at the forefront of the time sequence that exceeds the fixed data volume to complete the update of the database.

8. Water treatment system in high altitude environment, characterized in that, Comprising: A sampling unit configured to obtain in real time the pH value data of the reclaimed water at the outlet end of the reclaimed water neutralization device and the carbon dioxide flow rate data input into the reclaimed water neutralization device; An initialization unit, configured to perform iterative initialization of the adjustment amount of the carbon dioxide flow rate data according to the pH value data and a database when the pH value data does not meet the preset pH value requirement; An iteration unit, configured to perform iterative calculation on the adjustment amount after iterative initialization, and use half of the adjustment amount obtained in the previous iteration as the adjustment amount obtained in the current iteration during each iterative calculation; An adjustment unit, configured to adjust the carbon dioxide flow rate data by the adjustment amount obtained in each iteration until the pH value data meets the preset pH value requirement.

9. The water treatment system in a high altitude environment according to claim 8, characterized in that, The database includes data pairs arranged in time sequence; the data pair is the corresponding relationship between the carbon dioxide flow rate data and the pH value data after a delay time; the delay time is the delay of the influence of the change in the carbon dioxide flow rate on the pH value data.

10. The water treatment system in a high altitude environment according to claim 9, wherein It further includes a calculation unit for calculating the delay time, and the calculation unit is further configured to: Calibrate the changes in the pH value data and the carbon dioxide flow rate data at a preset period; During calibration, input a pulse increment of carbon dioxide to the reclaimed water neutralization device, and record the moment of the pulse peak value that appears in the carbon dioxide flow rate data as the peak moment; Record the moment of the pulse valley value that appears in the pH value data as the valley moment; Take the difference between the valley moment and the peak moment as the delay time.

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