CN116462257B

CN116462257B - Multiple recovery control method, device, equipment and medium for industrial wastewater

Info

Publication number: CN116462257B
Application number: CN202310614118.2A
Authority: CN
Inventors: 林国宁; 王尚智; 张建华; 赖日坤; 梁康祜
Original assignee: Guangdong Shuiqing Environmental Management Co ltd
Current assignee: Guangdong Shuiqing Environmental Management Co ltd
Priority date: 2023-05-27
Filing date: 2023-05-27
Publication date: 2023-10-24
Anticipated expiration: 2043-05-27
Also published as: CN116462257A

Abstract

The application relates to a multiple recovery control method, a device, equipment and a medium for industrial wastewater, which are used for sequentially recovering and filtering the industrial wastewater by arranging multiple materialized pools, wherein the method is used for respectively controlling the dosage of a displacer of each level materialized pool and comprises the following steps: the method comprises the steps of obtaining the metal ion concentration of mixed heavy metal concentrated solution in industrial wastewater, calculating an initial allocation concentration value of a lower allocation pool according to the metal ion concentration, performing wastewater dosage adaptation on wastewater with water quality according to the initial allocation concentration value, performing replacement agent supplementation on the mixed allocation wastewater after adaptation, sequentially performing materialization agent dosage adjustment on a materialization pool according to a supernatant wastewater concentration value replaced by the lower allocation pool to obtain materialization concentration value of materialized wastewater, and controlling the last-level materialization pool to discharge the materialized wastewater reaching the standard when the materialization concentration value reaches a preset wastewater discharge standard value. The application has the effect of improving the accuracy of recovery control of the heavy metal ion replacement of the industrial wastewater.

Description

Multiple recovery control method, device, equipment and medium for industrial wastewater

Technical Field

The invention relates to the technical field of industrial wastewater treatment, in particular to a multiple recovery control method, a device, equipment and a medium for industrial wastewater.

Background

At present, in the manufacturing process of a circuit board, metal materials with different properties are used for electroplating or grinding according to different requirements of processing procedures, a large amount of industrial wastewater is often generated in the processing process, and better requirements are also provided for controlling the content of metal ions in the industrial wastewater in the recovery treatment process of the industrial wastewater.

The existing recovery control method of industrial wastewater generally comprises the steps of independently filtering each strand of wastewater according to the type of the industrial wastewater, and then summarizing the wastewater into a biochemical tank for biochemical treatment and then discharging, wherein a water distribution pipeline of the industrial wastewater is complex, mixed discharge is easy to occur when the industrial wastewater is classified, the replacement efficiency of a replacement agent is influenced, the replacement agent with corresponding dosage is required to be added into each pipeline in the process of independently filtering each strand of wastewater, the heavy metal content in the wastewater is different, the dosage of the replacement agent in each pipeline is difficult to accurately control, and the existing recovery control method of the industrial wastewater has the defect that the recovery control of the heavy metal ion replacement of the industrial wastewater is not accurate enough.

Disclosure of Invention

In order to improve the accuracy of recovery control of heavy metal ion replacement of industrial wastewater, the application provides a multiple recovery control method, a device, equipment and a medium of industrial wastewater.

The first object of the present application is achieved by the following technical solutions:

a multiple recovery control method of industrial wastewater, which is provided with multiple materialized pools for sequentially recovering and filtering the industrial wastewater, wherein the method is used for respectively controlling the dosage of a displacer of each level materialized pool, and the method comprises the following steps:

obtaining the metal ion concentration of mixed heavy metal concentrate in industrial wastewater, and calculating an initial blending concentration value of a subordinate blending pool according to the metal ion concentration;

performing wastewater dosage adaptation on the wastewater with the same water quality according to the initial allocation concentration value, and performing displacer supplement treatment on the adapted mixed allocation wastewater;

sequentially performing dosage adjustment treatment on materialized agents in the materialized pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the materialized concentration value of materialized wastewater after materialization;

and when the materialized concentration value reaches a preset wastewater discharge standard value, controlling the materialized pool at the last level to discharge the materialized wastewater reaching the standard.

By adopting the technical scheme, the industrial wastewater is classified according to the water quality difference, the metal ion concentration of the mixed heavy metal concentrated solution with larger water quality difference is obtained, the treatment of the industrial wastewater with higher metal ion content is facilitated, the order of the treatment of the industrial wastewater is improved, the initial allocation concentration value of the lower allocation is calculated according to the metal ion concentration, the adjustment of the replacement solution of the lower allocation pool is facilitated in advance, the replacement time of the mixed heavy metal concentrated solution in the lower allocation pool is improved, the same water quality wastewater is added into the lower allocation pool according to the initial allocation concentration value, all the industrial wastewater generated in the circuit board manufacturing process is considered, the replacement omission error of the industrial wastewater is improved, the replacement agent complementary treatment is performed on the mixed allocation wastewater according to the wastewater dosage of the same water quality wastewater, the metal ion replacement requirement of the mixed wastewater can be met, the suitability between the replacement agent and the mixed allocation wastewater is improved, the supernatant concentration value of the supernatant waste solution obtained after the lower allocation pool is collected, the treatment of the replacement solution of the lower allocation pool is sequentially performed, the chemical treatment dosage of the chemical and the metal ion in the wastewater is subjected to the multiple replacement treatment by the standard value of the physicochemical treatment of the wastewater, and the wastewater can be subjected to multiple replacement by the physicochemical treatment of the wastewater after the wastewater with the standard value of the metal ion has been completely replaced, and the wastewater in the standard value reaches the multiple treatment of the physicochemical treatment of the wastewater can be replaced by the standard treatment of the physicochemical treatment of the wastewater, thereby improving the accuracy of recovery control of the heavy metal ion replacement of the industrial wastewater.

The present application may be further configured in a preferred example to: the method comprises the steps of performing wastewater dosage adaptation on the wastewater with the same water quality according to the initial allocation concentration value, and performing displacer supplement treatment on the adapted mixed allocation wastewater, and specifically comprises the following steps:

respectively obtaining the current ion concentration value of each wastewater with the same water quality according to the initial allocation concentration value;

calculating the dosage allocation proportion of each wastewater with the same water quality in the subordinate allocation pool according to the current ion concentration value;

according to the dosage blending proportion, blending dosage adjustment treatment is carried out on each wastewater with the same water quality, and a mixed blending concentration value of mixed blending wastewater in the lower blending pool is obtained;

and carrying out ion concentration adjustment treatment on the mixed adjustment value to generate a displacer supplementary dose for controlling the mixed adjustment wastewater to carry out displacer dose adjustment.

According to the technical scheme, the current ion concentration value of each water-quality wastewater is obtained according to the initial allocation concentration value of the lower allocation pool, so that the judgment of the dosage of each water-quality wastewater added into the lower allocation pool is facilitated, further, the dosage of the water-quality wastewater added into the lower allocation pool is allocated in proportion according to the current ion concentration value of each water-quality wastewater, the comprehensive ion concentration of the mixed allocation wastewater in the lower allocation pool can meet the optimal replacement range of a displacer, ion concentration adjustment treatment is carried out on the mixed allocation value of the lower allocation pool, the ion replacement effect of the mixed allocation wastewater is adjusted through the supplementation of the displacer dosage, the metal ion replacement rate of the lower allocation pool is kept in the optimal replacement range, the metal ion replacement integrity of the lower allocation pool is improved, and the materialization procedure of the mixed allocation wastewater is reduced.

The present application may be further configured in a preferred example to: the method comprises the steps of carrying out dosage adjustment treatment on each wastewater with the same water quality according to the dosage adjustment proportion, and obtaining the mixed adjustment concentration value of the mixed adjustment wastewater in the subordinate adjustment pond, and specifically comprises the following steps:

acquiring the current PH value of each same-quality wastewater, and calculating the wastewater mixing dosage of each same-quality wastewater according to the current PH value and the dosage allocation proportion;

according to the wastewater mixing dosage, calculating the PH influence coefficient of each wastewater with the same water quality in the mixed wastewater;

according to the PH influence coefficient, PH adjustment treatment is carried out on the dosage of the blending agent in the lower blending pool, and the blending agent adjustment value of the lower blending pool is obtained;

and according to the regulating value of the regulating agent, regulating the ion concentration of the mixed regulating wastewater to obtain a mixed regulating concentration value which is matched with the preset optimal PH value of the lower regulating tank.

By adopting the technical scheme, the dosage of each water-quality wastewater added into the lower-level blending pool is controlled by combining the current PH value of each water-quality wastewater with the corresponding dosage blending proportion, so that the actual wastewater mixed dosage of each water-quality wastewater added into the lower-level blending pool is obtained, independent calculation of PH influence coefficients of the wastewater mixed dosage under the current PH value on the comprehensive PH value is facilitated, accurate calculation of the comprehensive PH value of the mixed blending wastewater is facilitated, further, the dosage of the blending agent of the lower-level blending pool is adjusted according to the PH influence coefficients, comprehensive adjustment of the comprehensive PH value is facilitated, the suitability of the blending agent and the mixed blending wastewater is improved, and ion concentration adjustment is performed on the mixed blending wastewater according to the dosage adjustment value, so that the lower-level blending pool is kept within the range of the optimal blending PH value to perform metal ion replacement treatment, the program of the industrial wastewater is facilitated to be preset according to the mixed blending concentration value, and the ion replacement rate of the industrial wastewater is improved.

The present application may be further configured in a preferred example to: and according to the regulating value of the blending agent, regulating the ion concentration of the mixed blending wastewater to obtain a mixed blending concentration value which is matched with the preset optimal PH value of the lower blending pool, and further comprising:

acquiring the current alkali content of the residual mixed wastewater after the mixed and allocated replacement of the mixed and allocated wastewater according to the mixed and allocated concentration value;

comparing the current alkali content with a preset alkali-containing threshold value of the lower-level blending pool to generate an alkali-containing comparison result for judging whether the lower-level blending pool needs alkali agent supplementation;

according to the alkali-containing comparison result, respectively calculating a materialization compensation coefficient of each materialization pool for carrying out materialization alkali agent compensation on the current alkali content;

and carrying out gradient alkaline agent compensation treatment on all the materialized pools according to the materialized compensation coefficient.

By adopting the technology, the current alkali content of the residual mixed wastewater after the mixing and preparing concentration value is monitored in time, when the current alkali content exceeds the preset alkali content threshold value of the lower-level preparing tank, the lower-level preparing tank can be timely supplemented with alkali according to the alkali content comparison result, the alkali agent adjustment is timely carried out according to the current PH value of the mixed industrial wastewater which is actually prepared, the replacement adaptability of the lower-level preparing tank to various industrial wastewater is improved, after the prepared supernatant is generated according to the alkali content comparison result, the materialization compensation coefficient of each materialization tank for the prepared supernatant under the current alkali content is calculated respectively, the joint control of the replacement function of all materialization tanks according to the materialization compensation coefficient is facilitated, the materialization ordering of the industrial wastewater is improved, and the gradient alkali agent compensation is carried out on all materialization tanks through the materialization compensation coefficient, so that the materialization effect of each materialization tank on the industrial wastewater is maximized, the ion replacement efficiency in the industrial wastewater is improved, and the alkali cost of the industrial wastewater is reduced.

The present application may be further configured in a preferred example to: and sequentially performing dosage adjustment treatment on the materialized agent in the materialized pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the materialized concentration value of the materialized wastewater, wherein the method specifically comprises the following steps:

obtaining a supernatant wastewater concentration value of the supernatant wastewater obtained after the lower-level blending pool performs ion replacement;

according to the concentration value of the supernatant wastewater, adjusting the materialization sequence of the supernatant wastewater passing through a materialization pond in sequence;

according to the materialization sequence and the supernatant wastewater concentration value, regulating the dosage of a materialization agent of each materialization pool;

and in the process of carrying out physical-chemical reaction on the supernatant wastewater by the physical-chemical tanks, obtaining the physical-chemical ion concentration value of the physical-chemical wastewater generated by each physical-chemical tank.

By adopting the technical scheme, after metal ion replacement is carried out in the lower-level blending pool, the supernatant wastewater concentration value of the supernatant wastewater is collected, the materialization sequence of each materialization pool and the materialization agent dosage of each materialization pool are regulated in advance according to the supernatant wastewater concentration value, the materialization pool which is most suitable for the supernatant wastewater concentration value is searched according to the supernatant wastewater concentration value, the most suitable current materialization sequence of the supernatant wastewater is selected, the accurate materialization sequence promotion of each supernatant wastewater with different ion concentrations is regulated in a targeted manner, thereby optimizing the metal ion replacement effect of the industrial wastewater, and further, the materialization dosage of each materialization pool is regulated according to the materialization sequence of each supernatant wastewater and the supernatant wastewater concentration value, so that the materialization agent dosage of each materialization pool is kept in the optimal range, the materialization agent supplementation timeliness of each materialization pool is improved, the ion concentration value of the supernatant wastewater obtained after the last pool reaction is obtained in the process of the reaction of the materialization pool, and the ion concentration value of drinking water is used as the materialization agent dosage of each materialization pool, and the materialization dosage of each materialization pool is regulated in a correlated manner.

The present application may be further configured in a preferred example to: according to the concentration value of the supernatant wastewater, the materialization sequence of the supernatant wastewater passing through a materialization pond in sequence is regulated, and the method specifically comprises the following steps:

calculating the pH value of the supernatant wastewater of the current supernatant wastewater according to the concentration value of the supernatant wastewater;

obtaining the supernatant wastewater capacity of the supernatant wastewater, and calculating an optimal PH value adjusting coefficient of the supernatant wastewater under the current capacity according to the supernatant wastewater capacity and the PH value of the supernatant wastewater;

and carrying out materialization sequence allocation treatment on all materialization pools according to the optimal PH value adjusting coefficient to obtain the optimal materialization sequence of the supernatant wastewater.

By adopting the technical scheme, the pH value of the current supernatant waste water is calculated through the concentration value of the supernatant waste water, the higher the concentration is, the higher the pH value of the supernatant waste water is, the alkaline agent concentration of the next materialization pond is adjusted according to the pH value of the supernatant waste water, the adding accuracy of alkaline agents with different concentrations is improved, the optimal pH value adjustment coefficient of the current supernatant waste water is comprehensively calculated through the capacity of the current supernatant waste water and the pH value of the supernatant waste water, the accurate control of the alkaline agent additive dosage of the materialization pond is facilitated according to the optimal pH value adjustment coefficient, the current supernatant waste water can be accurately adjusted by the materialization pond, the ion replacement effect of industrial waste water is improved, the materialization sequence allocation treatment is carried out on all materialization ponds according to the pH value adjustment coefficient, the materialization sequence of the next materialization pond is dynamically adjusted according to the actual materialization effect of each materialization pond, the materialization effect of the industrial waste water is maximized, the industrial waste water is enabled to reach the emission standard, and the recycling rate of the industrial waste water is improved.

The present application may be further configured in a preferred example to: the method for obtaining the metal ion concentration of the mixed heavy metal concentrated solution in the industrial wastewater comprises the steps of calculating an initial blending concentration value of a lower blending pool according to the metal ion concentration, and specifically comprises the following steps:

respectively obtaining the concentration value of metal ions of each heavy metal concentrate to be added into a subordinate blending pool and the corresponding dosage of the concentrate to be treated;

calculating the comprehensive PH value of the industrial wastewater mixed by the heavy metal concentrated solution according to the concentration value of the metal ions and the concentration dosage to be treated;

according to the comprehensive pH value, the initial blending dosage of the lower blending pool is adjusted, and a blending agent dosage adjusting value which is used for adjusting the initial pH value of the lower blending pool to be matched with the comprehensive pH value is generated;

and obtaining the current ion concentration value of the lower-level blending pool, and calculating the initial blending concentration value of the lower-level blending pool according to the current ion concentration and the blending agent dosage adjustment value.

By adopting the technical scheme, the metal ion concentration values of the heavy metal concentrated solutions added into the lower-level blending tanks are respectively obtained, dynamic monitoring is facilitated for the ion concentration of each heavy metal concentrated solution and the correlation of the change of the corresponding pH value, the concentrated solution capacity to be blended is accurately controlled according to the concentrated solution dosage to be processed of each heavy metal concentrated solution, the comprehensive pH value of the industrial wastewater after heavy metal concentrated solution mixing is calculated according to the metal ion concentration values and the concentration dosage to be processed, the optimal alkaline agent addition amount of the lower-level blending tanks is facilitated to be adjusted according to the comprehensive pH value, the initial pH value of the lower-level blending tanks is adjusted to the reaction pH value with the optimal degree of adaptation of the comprehensive pH value through the dosage adjustment value of the blending agent, so that each displacement blending of the industrial wastewater can reach the optimal reaction pH value, the optimal displacement effect of the lower-level blending tanks on the industrial wastewater is achieved, the initial blending concentration value is adjusted to the optimal reaction state according to the current ion concentration value of the lower-level blending tanks before the next displacement reaction is carried out on the lower-level blending tanks, and the displacement of the industrial wastewater is facilitated to be improved.

The second object of the present application is achieved by the following technical solutions:

a multiple recovery control device of industrial wastewater, the device being provided with multiple materialization ponds to carry out recovery filtration in proper order to industrial wastewater, the device being used for controlling the displacer dosage of every hierarchical materialization pond respectively, the device comprising:

the data acquisition module is used for acquiring the metal ion concentration of the mixed heavy metal concentrated solution in the industrial wastewater, and calculating an initial blending concentration value of a lower blending pool according to the metal ion concentration;

the replacement allocation module is used for performing wastewater dosage adaptation on the wastewater with the same water quality according to the initial allocation concentration value, and performing replacement agent supplement treatment on the mixed allocation wastewater after adaptation;

the materialization adjusting module is used for sequentially carrying out dosage adjustment treatment on materialization agents of the materialization pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the materialization concentration value of materialized wastewater;

and the emission judging module is used for controlling the materialized pond to emit the materialized wastewater reaching the standard after the materialized concentration value reaches the preset wastewater emission standard value.

The third object of the present application is achieved by the following technical solutions:

a computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the above described multiple recovery control method of industrial wastewater when the computer program is executed.

The fourth object of the present application is achieved by the following technical solutions:

a computer readable storage medium storing a computer program which, when executed by a processor, implements the steps of the above-described multiple recovery control method of industrial wastewater.

In summary, the present application includes at least one of the following beneficial technical effects:

1. classifying industrial wastewater according to water quality difference, obtaining the metal ion concentration of mixed heavy metal concentrated solution with larger water quality difference, facilitating the treatment of the industrial wastewater with higher metal ion content preferentially, improving the ordering of the industrial wastewater treatment, calculating an initial preparation concentration value at a lower preparation position according to the metal ion concentration, facilitating the adjustment of a replacement solution of a lower preparation tank in advance, improving the replacement time of the mixed heavy metal concentrated solution in the lower preparation tank, adding the same water quality wastewater into the lower preparation tank according to the initial preparation concentration value, considering all industrial wastewater generated in the manufacturing process of a circuit board, improving the replacement omission error of the industrial wastewater, performing replacement agent complementary treatment on the mixed preparation wastewater according to the wastewater dosage of the same water quality wastewater, enabling the content of the replacement agent in the lower preparation tank to meet the metal ion replacement requirement of the mixed wastewater, improving the suitability between the replacement agent and the mixed wastewater, acquiring the supernatant wastewater concentration value of the supernatant wastewater obtained after the replacement of the lower preparation tank, sequentially performing the adjustment treatment of the replacement agent dosage and the metal ion in the supernatant preparation tank, enabling the quality of the wastewater to be subjected to multiple replacement treatment according to the preset metal ion concentration, and the quality control of the metal ion replacement wastewater, and realizing the multiple replacement treatment of the metal ion in the quality of the wastewater by the quality control of the quality of the wastewater after the metal ion has been subjected to the metal ion replacement treatment, and the multiple replacement treatment of the metal ion in the quality of the wastewater by the quality adjustment, and the quality control of the quality of the wastewater of the quality and the quality of the metal ion replacement treatment;

2. According to the initial allocation concentration value of the lower allocation pool, the current ion concentration value of each water-quality wastewater is obtained respectively, so that the judgment of the dosage of each water-quality wastewater added into the lower allocation pool is facilitated, further, according to the current ion concentration value of each water-quality wastewater, the dosage of the water-quality wastewater added into the lower allocation pool is allocated proportionally, so that the comprehensive ion concentration of the mixed allocation wastewater in the lower allocation pool can meet the optimal replacement range of a displacer, ion concentration adjustment treatment is carried out on the mixed allocation value of the lower allocation pool, the ion replacement effect of the mixed allocation wastewater is regulated through the supplementation of the dosage of the displacer, the metal ion replacement rate of the lower allocation pool is kept in the optimal replacement range interval, the metal ion replacement integrity of the lower allocation pool is improved, and the program of the mixed allocation wastewater is reduced;

3. the method comprises the steps of controlling the dosage of each water-quality wastewater added into a lower-level blending pool according to the current PH value of each water-quality wastewater combined with the corresponding dosage blending proportion, obtaining the actual mixed dosage of each water-quality wastewater added into the lower-level blending pool, independently calculating the PH influence coefficient of the influence of the mixed dosage of the wastewater on the comprehensive PH value under the current PH value, accurately calculating the comprehensive PH value of the mixed blending wastewater, adjusting the dosage of the blending agent of the lower-level blending pool according to the PH influence coefficient, comprehensively adjusting the comprehensive PH value, improving the suitability of the blending agent and the mixed blending wastewater, adjusting the ion concentration of the mixed blending wastewater according to the dosage adjusting value of the blending agent, and accordingly keeping the lower-level blending pool in the optimal blending PH value range for metal ion replacement treatment, and presetting the procedure of the industrial wastewater according to the mixed blending concentration value, thereby improving the ion replacement rate of the industrial wastewater.

Drawings

FIG. 1 is a flow chart showing an implementation of a method for controlling multiple recovery of industrial wastewater according to an embodiment of the present application.

Fig. 2 is a flowchart showing an implementation of step S10 of a multiple recovery control method for industrial wastewater according to an embodiment of the application.

Fig. 3 is a flowchart showing an implementation of step S20 of a multiple recovery control method for industrial wastewater according to an embodiment of the application.

Fig. 4 is a flowchart illustrating a multiple recovery control method for industrial wastewater in step S203 according to an embodiment of the application.

FIG. 5 is a flow chart showing the implementation of alkali agent compensation in a multiple recovery control method for industrial wastewater according to an embodiment of the application.

Fig. 6 is a flowchart illustrating a multiple recovery control method for industrial wastewater in step S30 according to an embodiment of the present application.

Fig. 7 is a flowchart illustrating a multiple recovery control method for industrial wastewater in step S302 according to an embodiment of the application.

FIG. 8 is a block diagram showing a multi-recovery control apparatus for industrial wastewater according to an embodiment of the present application.

Fig. 9 is a schematic diagram of the internal structure of a computer device for implementing a multiple recovery control method of industrial wastewater.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

In one embodiment, as shown in fig. 1, the application discloses a multiple recovery control method of industrial wastewater, which sequentially recovers and filters the industrial wastewater by arranging multiple materialized tanks, wherein the method for respectively controlling displacer agents of each level materialized tank specifically comprises the following steps:

S10: and obtaining the metal ion concentration of the mixed heavy metal concentrate in the industrial wastewater, and calculating the initial blending concentration value of the subordinate blending pool according to the metal ion concentration.

Specifically, as shown in fig. 2, step S10 specifically includes the following steps:

s101: and respectively obtaining the concentration value of the metal ions of each heavy metal concentrate to be added into the subordinate blending pool and the corresponding dosage of the concentrate to be treated.

Specifically, the PH value of the heavy metal concentrated solution to be added into the lower-level blending pool is measured through a preset PH value, the concentration value of metal ions in the concentrated solution is judged according to the actual PH value of each heavy metal concentrated solution, the higher the PH value is, the larger the corresponding concentration value of metal ions is, the actual flow of each heavy metal concentrated solution generated in the cutting and manufacturing process of the circuit board is measured through a preset electromagnetic flowmeter, and the dosage of the heavy solution to be treated of each heavy metal concentrated solution is obtained.

S102: and calculating the comprehensive PH value of the industrial wastewater after the heavy metal concentrate is mixed according to the concentration value of the metal ions and the concentration dosage to be treated.

Specifically, according to the concentration value of metal ions and the concentration dosage to be treated, carrying out comprehensive PH value calculation on all heavy metal concentrated solutions to be added into a lower-level blending pool, for example, multiplying the concentration value of metal ions of each heavy metal concentrated solution by the corresponding concentration dosage to be treated to obtain independent PH values of single heavy metal concentrated solutions, adding all independent PH values to obtain and dividing the sum by the total volume of the current lower-level blending pool, and taking the quotient obtained by calculation as the comprehensive PH value of industrial wastewater obtained after mixing the heavy metal concentrated solutions, wherein the total volume of the current lower-level blending pool is obtained by measuring a preset ultrasonic liquid level meter.

S103: and adjusting the initial blending dosage of the lower blending pool according to the comprehensive pH value to generate a blending agent dosage adjusting value for adjusting the initial pH value of the lower blending pool to be matched with the comprehensive pH value.

Specifically, according to the comprehensive PH value of the mixed industrial wastewater, the initial allocation dosage in the lower allocation pool is adjusted, for example, the dosage of the allocation agent in the current pool when the lower allocation pool waits for the next round of allocation is obtained by measuring through a preset ultrasonic liquid level meter, and the adjustment value of the allocation agent dosage of the lower allocation pool is obtained by carrying out difference operation according to the current allocation agent dosage and the allocation agent dosage meeting the comprehensive PH value, so that the adjustment of the treatment PH value of the lower allocation pool to be matched with the comprehensive PH value is facilitated.

The blending agent in this embodiment is an alkaline agent capable of undergoing a chemical combination reaction with heavy metal ions, and may be set according to actual needs, and is not limited to one of the embodiments.

S104: and obtaining the current ion concentration value of the lower-level blending pool, and calculating the initial blending concentration value of the lower-level blending pool according to the current ion concentration and the blending agent dosage adjustment value.

Specifically, after the next-stage blending pool is replaced by the metal ions in the last round, when new industrial wastewater to be replaced is injected, collecting the current PH value of the next-stage blending pool in a state of waiting to be injected into the industrial wastewater by a preset PH meter, taking the current PH value of the next-stage blending pool as a corresponding current ion concentration value, calculating the product of the dosage adjustment value of the blending agent and the PH value of the corresponding blending agent as a PH value adjustment parameter of the next-stage blending pool, dividing the sum between the PH value adjustment parameter and the current PH value by the total volume of the next-stage blending pool, and taking the obtained quotient value as an initial blending concentration value of the next-stage blending pool.

S20: and (3) performing wastewater dosage adaptation on the wastewater with the same water quality according to the initial allocation concentration value, and performing displacer supplement treatment on the adapted mixed allocation wastewater.

Specifically, as shown in fig. 3, step S20 specifically includes the following steps:

s201: respectively obtaining the current ion concentration value of each wastewater with the same water quality according to the initial allocation concentration value;

specifically, according to the initial allocation concentration value of the lower allocation pool, each same-quality wastewater to be added into the lower allocation pool is analyzed, wherein the same-quality wastewater comprises high-copper wastewater, waste acid water, printing ink wastewater and the like, the current PH value of each same-quality wastewater is measured through a preset PH value respectively, and the current PH value is used as the current ion concentration value.

The electrolysis may be performed before the same water quality wastewater is added to the lower-stage blending tank by the electrode method, and the current ion concentration value is comprehensively analyzed by combining the volume of the same water quality wastewater according to the electrolysis result, which is not limited to one ion concentration measurement method in the embodiment.

S202: and calculating the dosage allocation proportion of each wastewater with the same water quality in the lower allocation pool according to the current ion concentration value.

Specifically, according to the current ion concentration value of the lower-level blending pool, calculating the dosage blending proportion of each wastewater with the same water quality in the lower-level blending pool, for example, according to the optimal reaction PH value of each heavy metal ion, calculating the dosage of the blending agent required by each heavy metal concentrated solution for adjusting the PH value of each heavy metal concentrated solution to the optimal reaction PH value, and taking the ratio of the dosage of the blending agent corresponding to all heavy metal concentrated solutions as the dosage blending proportion of the lower-level blending pool.

S203: and (3) carrying out dosage adjustment treatment on each wastewater with the same water quality according to the dosage adjustment proportion, and obtaining the mixed adjustment concentration value of the mixed adjustment wastewater in the lower-level adjustment pond.

Specifically, as shown in fig. 4, step S203 specifically includes the following steps:

s2031: the current PH value of each same-quality wastewater is obtained, and the wastewater mixing dosage of each same-quality wastewater is calculated according to the current PH value and the dosage allocation proportion.

Specifically, the current PH value of each water-quality wastewater is measured through a preset PH value respectively, the mixed dosage of the wastewater of each water-quality wastewater is calculated according to the current PH value and the dosage adjustment proportion of all water-quality wastewater to be added into a lower-level blending pool, if the optimal reaction PH value of the lower-level blending pool to current metal ions is set to be 9, the dosage of the high-copper wastewater with the PH value higher than 3 added into the lower-level blending pool is adjusted to 500 liters, the dosage of the ink wastewater with the PH value higher than 12 added into the lower-level blending pool is adjusted to 300 liters, the corresponding heavy metal concentrated solution is injected into the lower-level blending pool in equal proportion according to the dosage adjustment proportion, and the total volume of the water-quality wastewater added into the lower-level blending pool is measured through a preset electromagnetic flowmeter, so that the mixed dosage of the wastewater of each water-quality wastewater of the water-quality wastewater added into the lower-level blending pool is obtained.

S2032: and calculating the PH influence coefficient of each wastewater with the same water quality in the mixed wastewater according to the wastewater mixing dosage.

Specifically, according to the mixing dosage of the waste water, the PH influence coefficient of each waste water with the same water quality in the mixed and blended waste water is calculated, for example, after all waste water with the same water quality is mixed, the ratio between the current PH value of the waste water with the same water quality and the combined PH value after mixing is used as the corresponding PH influence coefficient.

S2033: and carrying out pH adjustment treatment on the dosage of the blending agent in the lower blending pool according to the pH influence coefficient to obtain the adjustment value of the blending agent in the lower blending pool.

Specifically, according to the PH influence coefficient, the PH of the blended dosage of the lower blending tank is adjusted, if the PH influence coefficient of the heavy metal concentrate added into the lower blending tank is higher, the PH value of the blended dosage of the lower blending tank is correspondingly increased, the high-concentration blended dosage is selected, or more blended dosages are added to reduce the ion concentration of the heavy metal concentrate, and the difference between the adjusted blended dosage and the original blended dosage of the lower blending tank is used as the blended dosage adjustment value.

S2034: and (3) adjusting the ion concentration of the mixed and blended wastewater according to the adjusting value of the blending agent to obtain a mixed and blended concentration value which is matched with the preset optimal PH value of the lower blending pool.

Specifically, heavy metal concentrated solution is injected into a lower-level blending pool in equal proportion according to the adjustment value of the blending agent, and the corresponding reaction blending agent dosage is synchronously supplemented according to the added heavy metal concentrated solution, so that the heavy metal ions are precipitated to reduce the ion concentration in the mixed blending wastewater through the combination reaction between the heavy metal ions and the reaction blending agent, the ion concentration of the mixed blending wastewater is adjusted, the mixed PH value of the mixed blending wastewater is measured through a PH meter preset in the lower-level blending pool, the mixed blending concentration value of the mixed blending wastewater in the lower-level blending pool is obtained, and the mixed blending wastewater is kept in the reaction range of the optimal PH value through the timely supplement of the reaction blending agent dosage to carry out ion replacement.

In one embodiment, in order to better perform the alkaline agent compensation treatment on the remaining mixed wastewater in the lower-level blending tank, as shown in fig. 5, after step S2034, the method further includes:

s2035: and obtaining the current alkali content of the residual mixed wastewater after the mixed wastewater is subjected to the mixing replacement according to the mixed mixing concentration value.

Specifically, the mixed wastewater with the corresponding mixed concentration value is subjected to a chemical combination reaction with a displacer in a lower-stage blending pool, substances in the residual mixed wastewater obtained after the chemical combination reaction are separated from the sediment, the current PH value of the residual mixed wastewater is measured through a preset PH meter, the alkaline agent capacity consumed in the chemical combination reaction is judged through the difference value between the current PH value and the initial PH value of the displacer, and the current alkaline content of the residual mixed wastewater is obtained through the difference value between the alkaline content of the displacer originally added and the alkaline agent capacity consumed.

S2036: comparing the current alkali content with a preset alkali-containing threshold value of the lower-level blending pool to generate an alkali-containing comparison result for judging whether the lower-level blending pool needs alkali agent supplementation.

Specifically, according to the reaction property of heavy metal ions, an optimal alkali content threshold value of each heavy metal concentrated solution is set, for example, the optimal alkali content threshold value of a high-copper solution is set to be the alkali content with the pH value of 9, and the current alkali content of the lower-level blending pool and the preset alkali content threshold value are subjected to difference operation, so that whether the residual alkali agent in the current lower-level blending pool can meet the replacement blending amount of the heavy metal concentrated solution at the next time or not can be judged according to the alkali content difference value, and timely agent supplementation is facilitated for the lower-level blending pool, and the alkali content comparison result of the alkali content control of the lower-level blending pool is obtained.

S2037: and according to the alkali-containing comparison result, respectively calculating a materialization compensation coefficient of each materialization pool for carrying out materialization alkali agent compensation on the current alkali content.

Specifically, according to the alkali-containing comparison result, searching an optimal materialization pond matched with the residual mixed wastewater with the current alkali content in all materialization ponds, injecting the residual mixed wastewater into the optimal materialization pond for materialization reaction, respectively compensating the concentration of the materialization alkali agent and the dosage of the materialization alkali agent in the optimal materialization pond according to the current alkali content and the injection dosage of the residual mixed wastewater, if the current alkali content of the residual mixed wastewater is too high, moderately selecting the alkali agent with low concentration from the materialization alkali agent concentration, so that the pH value of the comprehensive alkali agent in the materialization pond and the residual mixed wastewater can be kept in the optimal materialization reaction condition range, for example, setting the optimal materialization pH condition to be 9, and adjusting the dosage of the materialization alkali agent according to the injection dosage of the optimal materialization pond, wherein the concentration difference and the dosage difference of the alkali agent are used as materialization compensation coefficients of the materialization alkali agent compensation.

S2038: and (3) carrying out gradient alkaline agent compensation treatment on all materialized pools according to materialized compensation coefficients.

Specifically, according to the materialization compensation coefficient of the optimal materialization pool, carrying out gradient alkaline agent compensation treatment on other materialization pools after the optimal materialization pool, for example, injecting the residual supernatant wastewater obtained after materialization of the optimal materialization pool into a materialization pool of the next level, measuring the alkaline content, namely the PH value, in the residual supernatant wastewater, carrying out double compensation treatment on the alkaline agent concentration and the alkaline agent dosage of the materialization pool of the current level, and carrying out sequential alkaline agent compensation on the other materialization pools according to the materialization sequence.

S204: and (3) performing ion concentration adjustment treatment on the mixed adjustment value to generate a displacer supplementary dose for controlling the mixed adjustment wastewater to perform displacer dose adjustment.

Specifically, according to the mixed concentration value, the concentration and the dosage of the displacer to be added into the lower-stage mixing tank are calculated respectively, for example, an optimal displacer concentration value is calculated according to the mixed concentration value, and according to the actual capacity of the current mixed wastewater in the lower-stage mixing tank, the displacer dosage required by the displacer under the current concentration value is analyzed until the product of the mixed concentration value and the actual capacity of the current mixed wastewater is matched with the product of the displacer dosage and the displacer concentration value, so that the reaction PH value of the lower-stage mixing tank is always kept in the optimal displacer concentration range, and the displacer supplement dosage is obtained.

S30: and (3) sequentially carrying out dosage adjustment treatment on the materialized agent in the materialized pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the materialized concentration value of the materialized wastewater.

Specifically, as shown in fig. 6, step S30 specifically includes the following steps:

s301: and obtaining the concentration value of the supernatant wastewater obtained after the ion replacement of the lower-level blending pool.

Specifically, after ion replacement is carried out on industrial wastewater in a lower-level blending tank, separating sediment after ion replacement from supernatant wastewater, judging the content of metal ions in the current supernatant wastewater according to the precipitation quality of the sediment and the pH change difference value of an alkaline agent in a materialization tank, and taking the ratio of the content of the metal ions to the volume of the supernatant wastewater in the current materialization tank as a concentration value of the supernatant wastewater, wherein the volume of the supernatant wastewater is obtained by carrying out liquid level detection through a preset ultrasonic liquid level meter.

S302: and according to the concentration value of the supernatant wastewater, adjusting the materialization sequence of the supernatant wastewater passing through a materialization pond in sequence.

Specifically, as shown in fig. 7, step S302 specifically includes the following steps:

s3021: and calculating the pH value of the supernatant wastewater of the current supernatant wastewater according to the concentration value of the supernatant wastewater.

Specifically, when the concentration value of the supernatant waste water is increased by 1 mol per liter by taking the supernatant waste water at the time of pH balance as a reference index, the pH change value of the current supernatant waste water is obtained through a preset pH meter, so that the association relation between the concentration of the supernatant waste water and the pH value of the supernatant waste water is obtained, and the corresponding pH value of the supernatant waste water is obtained in the process of the change of the concentration value of the supernatant waste water according to the association relation.

S3022: and obtaining the supernatant wastewater capacity of the supernatant wastewater, and calculating an optimal pH value adjustment coefficient of the supernatant wastewater under the current capacity according to the supernatant wastewater capacity and the pH value of the supernatant wastewater.

Specifically, the supernatant wastewater capacity of the supernatant wastewater is monitored through an ultrasonic liquid level meter preset in the materialized pool, product operation is carried out according to the supernatant wastewater capacity and the pH value of the supernatant wastewater, the calculated product is used as a pH parameter to be adjusted of the supernatant wastewater in the current materialized pool, difference operation is carried out between the pH parameter to be adjusted and the optimal reaction pH value of the current materialized pool, and the pH difference value is used as an optimal pH value adjusting coefficient of the supernatant wastewater.

S3023: and (3) carrying out materialization sequence allocation treatment on all materialization pools according to the optimal pH value adjustment coefficient to obtain the optimal materialization sequence of the supernatant wastewater.

Specifically, according to the optimal pH value adjustment coefficient, searching the most suitable materialization pond with the minimum pH value adjustment gap in all materialization ponds, further materializing the supernatant wastewater as the next materialization pond, selecting the most suitable next materialization pond according to the actual pH value of materialization products of the next materialization pond, and summarizing the materialization pond sequence of sequentially materializing the supernatant waste liquid to obtain the most suitable best materialization sequence with the supernatant waste liquid.

S303: and adjusting the dosage of the materializing agent of each materializing pool according to the materializing sequence and the concentration value of the supernatant wastewater.

Specifically, according to the materialization sequence and the concentration value of the supernatant waste liquid injected into each materialization pool, sequentially adjusting each materialization pool, for example, when 500 liters of supernatant waste water with the PH value of 13 is injected into the materialization pool, according to the current materialization agent concentration and the current materialization agent dosage of the materialization pool, according to the difference value between the materialization agent concentration and the PH value of the supernatant waste water and the difference value between the materialization agent dosage and the capacity of the supernatant waste water, adjusting the materialization agent dosage respectively, including adding or reducing the materialization agent concentration and dosage, and the like.

S304: and in the process of carrying out physical-chemical reaction on the supernatant wastewater by the physical-chemical tanks, obtaining the physical-chemical ion concentration value of the physical-chemical wastewater generated by each physical-chemical tank.

Specifically, in the process of carrying out a physical-chemical reaction on the supernatant wastewater by the physical-chemical pond, calculating the molar mass of the replaced metal ions in the current physical-chemical pond through the difference value between the mass of the sediment and the pH value change of the physical-chemical agent of the physical-chemical pond, and taking the molar mass of the replaced metal ions as the physical-chemical ion concentration value of the current physical-chemical wastewater according to the ratio between the molar mass of the metal ions and the volume of the residual supernatant wastewater in the current physical-chemical pond.

S40: when the materialized concentration value reaches a preset wastewater discharge standard value, the last-level materialized pool is controlled to discharge the materialized wastewater reaching the standard.

Specifically, the materialized concentration value of materialized wastewater is detected and analyzed through a preset MBR system, the materialized concentration value is compared with a preset wastewater discharge standard value, whether the current materialized wastewater reaches the preset wastewater discharge standard is judged according to the comparison result, and when the materialized concentration value of the current materialized wastewater reaches the preset wastewater discharge standard value, the last layer and the materialized pool are controlled to discharge the materialized wastewater reaching the standard.

It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present application.

In one embodiment, a multiple recovery control device for industrial wastewater is provided, wherein the multiple recovery control device is provided with multiple materialized tanks for sequentially recovering and filtering industrial wastewater, and the device is used for respectively controlling the dosage of a displacer of each level materialized tank, and the multiple recovery control device for industrial wastewater is in one-to-one correspondence with the multiple recovery control method for industrial wastewater in the embodiment. As shown in FIG. 8, the multiple recovery control device for industrial wastewater comprises a data acquisition module, a replacement allocation module, a materialization adjustment module and a discharge judgment module. The functional modules are described in detail as follows:

the data acquisition module is used for acquiring the metal ion concentration of the mixed heavy metal concentrated solution in the industrial wastewater, and calculating the initial blending concentration value of the lower blending pool according to the metal ion concentration.

The replacement allocation module is used for performing wastewater dosage adaptation on the wastewater with the same water quality according to the initial allocation concentration value, and performing replacement agent supplement treatment on the mixed allocation wastewater after adaptation.

And the materialization adjusting module is used for sequentially carrying out dosage adjustment treatment on materialization agents of the materialization pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the materialization concentration value of materialized wastewater.

And the emission judging module is used for controlling the last-level materialized pool to emit the materialized wastewater reaching the standard when the materialized concentration value reaches the preset wastewater emission standard value.

Preferably, the replacement deployment module specifically includes:

and the wastewater parameter acquisition submodule is used for respectively acquiring the current ion concentration value of each wastewater with the same water quality according to the initial allocation concentration value.

And the dosage allocation sub-module is used for calculating the dosage allocation proportion of each water wastewater with the same water quality in the lower allocation pool according to the current ion concentration value.

And the dosage regulation submodule is used for carrying out dosage regulation treatment on each wastewater with the same water quality according to the dosage regulation proportion, and obtaining the mixed regulation concentration value of the mixed regulation wastewater in the lower regulation pond.

And the concentration adjusting submodule is used for carrying out ion concentration adjusting treatment on the mixed adjusting value to generate a displacer supplementing dose for controlling the mixed adjusting wastewater to carry out displacer dose adjustment.

Preferably, the dose setting submodule specifically includes:

the mixed dosage calculation unit is used for obtaining the current PH value of each same-quality wastewater and calculating the wastewater mixed dosage of each same-quality wastewater according to the current PH value and the dosage allocation proportion.

And the influence coefficient calculation unit is used for calculating the PH influence coefficient of each wastewater with the same water quality in the mixed and blended wastewater according to the wastewater mixed dosage.

And the PH adjusting unit is used for carrying out PH adjusting treatment on the dosage of the blending agent in the lower blending pool according to the PH influence coefficient to obtain the blending agent adjusting value of the lower blending pool.

And the concentration adjusting unit is used for adjusting the ion concentration of the mixed and blended wastewater according to the adjusting value of the blending agent to obtain a mixed and blended concentration value which is matched with the preset optimal PH value of the lower-level blending pool.

Preferably, the concentration adjusting unit further includes:

and the alkali amount obtaining subunit is used for obtaining the current alkali content of the residual mixed wastewater after the mixed and blended wastewater is subjected to blending replacement according to the mixed and blended concentration value.

And the alkali quantity judging subunit is used for comparing the current alkali content with a preset alkali-containing threshold value of the lower-level blending pool to generate an alkali-containing comparison result for judging whether the lower-level blending pool needs alkali agent supplementation or not.

And the alkali agent compensation subunit is used for respectively calculating the materialization compensation coefficient of each materialization pool for carrying out materialization alkali agent compensation on the current alkali content according to the alkali content comparison result.

And the batch compensation sub-module is used for carrying out gradient alkaline agent compensation treatment on all materialized pools according to materialized compensation coefficients.

Preferably, the materialization adjustment module specifically includes:

and the supernatant parameter acquisition submodule is used for acquiring a supernatant wastewater concentration value of the supernatant wastewater obtained after the ion replacement of the lower-level blending pool.

And the sequence adjusting submodule is used for adjusting the materialization sequence of the supernatant wastewater passing through the materialization pond in sequence according to the concentration value of the supernatant wastewater.

And the materialized dosage adjusting sub-module is used for adjusting the materialized dosage of each materialized pool according to materialized sequence and the concentration value of the supernatant wastewater.

And the materialized parameter acquisition submodule is used for acquiring materialized ion concentration values of materialized wastewater generated by each materialized pool in the process of carrying out materialized reaction on the supernatant wastewater by the materialized pool.

Preferably, the sequence adjustment submodule specifically includes:

and the supernatant PH calculating unit is used for calculating the pH value of the supernatant wastewater of the current supernatant wastewater according to the concentration value of the supernatant wastewater.

And the PH regulating unit is used for acquiring the supernatant wastewater capacity of the supernatant wastewater, and calculating the optimal PH regulating coefficient of the supernatant wastewater under the current capacity according to the supernatant wastewater capacity and the PH value of the supernatant wastewater.

And the sequence adjusting unit is used for carrying out materialization sequence allocation treatment on all materialization pools according to the optimal PH value adjusting coefficient to obtain the optimal materialization sequence of the supernatant wastewater.

Preferably, the data acquisition module specifically includes:

the concentrated solution dosage obtaining submodule is used for respectively obtaining the metal ion concentration value of each heavy metal concentrated solution to be added into the lower-level blending pool and the corresponding concentrated solution dosage to be treated.

And the comprehensive PH calculating submodule is used for calculating the comprehensive PH value of the industrial wastewater after the heavy metal concentrated solution is mixed according to the concentration value of the metal ions and the concentration dosage to be treated.

The regulating agent regulating sub-module is used for regulating the initial regulating agent dosage of the lower regulating tank according to the comprehensive pH value, and generating a regulating agent dosage regulating value for regulating the initial pH value of the lower regulating tank to be matched with the comprehensive pH value.

The initial allocation parameter calculation sub-module is used for obtaining the current ion concentration value of the lower allocation pool and calculating the initial allocation concentration value of the lower allocation pool according to the current ion concentration and the allocation agent dosage adjustment value.

The specific limitation of the multi-recovery control device for industrial wastewater can be referred to the limitation of the multi-recovery control method for industrial wastewater hereinabove, and will not be described herein. The various modules in the multi-recovery control device for industrial wastewater can be fully or partially realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, a computer device is provided, which may be a server, and the internal structure of which may be as shown in fig. 9. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer equipment is used for storing control parameters generated in the process of recycling and filtering industrial wastewater. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by the processor, implements a multiple recovery control method for industrial wastewater.

In one embodiment, a computer readable storage medium having a computer program stored thereon is provided, which when executed by a processor, implements the steps of a multiple recovery control method for industrial wastewater.

Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions.

The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. A multiple recovery control method for industrial wastewater, characterized in that multiple materialized tanks are provided for sequentially recovering and filtering industrial wastewater, the method is used for respectively controlling the dosage of a displacer of each level materialized tank, and the method comprises the following steps:

when the materialized concentration value reaches a preset wastewater discharge standard value, controlling the materialized pool at the last level to discharge the materialized wastewater reaching the standard;

the method comprises the steps of performing wastewater dosage adaptation on wastewater with the same water quality according to the initial allocation concentration value, and performing displacer supplement treatment on the adapted mixed allocation wastewater, and specifically comprises the following steps:

respectively obtaining the current metal ion concentration value of each wastewater with the same water quality according to the initial allocation concentration value;

calculating the dosage allocation proportion of each wastewater with the same water quality in the lower allocation pool according to the current metal ion concentration value, wherein the dosage of the allocation agent required by each heavy metal concentrated solution for adjusting the pH value of each heavy metal concentrated solution to the optimal reaction pH value is calculated according to the optimal reaction pH value of each heavy metal ion, and the ratio of the dosage of the allocation agent corresponding to all heavy metal concentrated solutions is used as the dosage allocation proportion of the lower allocation pool;

performing ion concentration adjustment treatment on the mixed adjustment value to generate a displacer supplemental dose for controlling the mixed adjustment wastewater to perform displacer dose adjustment;

the method comprises the steps of carrying out dosage adjustment treatment on each wastewater with the same water quality according to the dosage adjustment proportion, and obtaining a mixed adjustment concentration value of mixed adjustment wastewater in the subordinate adjustment pond, wherein the specific steps include:

according to the wastewater mixing dosage, calculating the pH influence coefficient of each same-quality wastewater in mixing and blending wastewater, wherein the ratio between the current pH value of each same-quality wastewater and the mixed comprehensive pH value is used as the corresponding pH influence coefficient;

performing pH adjustment treatment on the dosage of the blending agent in the lower blending pool according to the pH influence coefficient to obtain a blending agent adjustment value of the lower blending pool, wherein the difference between the adjusted dosage of the blending agent and the original dosage of the lower blending pool is used as the blending agent dosage adjustment value;

And according to the regulating value of the regulating agent, regulating the ion concentration of the mixed and regulated wastewater to obtain a mixed and regulated concentration value which is matched with the preset optimal pH value of the lower-level regulating tank.

2. The method for multiple recovery control of industrial wastewater according to claim 1, wherein the adjusting the ion concentration of the mixed wastewater according to the adjusting value of the blending agent to obtain a mixed blending concentration value adapted to a preset optimal pH value of the lower blending tank, further comprises:

comparing the current alkali content with a preset alkali-containing threshold value of the lower-level blending pool to generate an alkali-containing comparison result for judging whether the lower-level blending pool needs alkali agent supplementation or not, and judging whether the residual alkali agent in the current lower-level blending pool can meet the replacement blending amount of the heavy metal concentrate at the next time according to the alkali content difference value;

according to the alkali-containing comparison result, respectively calculating a materialization compensation coefficient of each materialization pool for carrying out materialization alkali agent compensation on the current alkali content, wherein the concentration difference and the dosage difference of the alkali agent are used as materialization compensation coefficients of materialization alkali agent compensation;

And carrying out gradient alkaline agent compensation treatment on all the materialized pools according to the materialized compensation coefficient, wherein the materialized pools of the current level are subjected to double compensation treatment of alkaline agent concentration and alkaline agent dosage, and the alkaline agent compensation is carried out on other materialized pools in sequence according to materialization sequence.

3. The method for multiple recovery control of industrial wastewater according to claim 1, wherein the step of sequentially performing the chemical agent dosage adjustment treatment of the chemical pond according to the concentration value of the supernatant wastewater obtained after the replacement of the lower-level blending pond to obtain the physical and chemical concentration value of the physical and chemical wastewater after the physical and chemical treatment specifically comprises:

obtaining a supernatant wastewater concentration value of the supernatant wastewater obtained after the lower-level blending pool performs ion replacement, wherein the metal ion content in the current supernatant wastewater is judged according to the precipitation quality of the precipitate and the alkaline pH change difference value of the materialized pool, and the ratio of the metal ion content to the volume of the supernatant wastewater in the current materialized pool is used as the supernatant wastewater concentration value;

And in the process of carrying out physical-chemical reaction on the supernatant wastewater by the physical-chemical tanks, obtaining the physical-chemical metal ion concentration value of the physical-chemical wastewater generated by each physical-chemical tank, wherein the physical-chemical metal ion concentration value of the current physical-chemical wastewater is obtained according to the ratio of the molar mass of metal ions to the volume of the residual supernatant wastewater in the current physical-chemical tank.

4. The method for multiple recovery control of industrial wastewater according to claim 3, wherein the adjusting the materialization sequence of the supernatant wastewater sequentially passing through the materialization pond according to the concentration value of the supernatant wastewater specifically comprises:

obtaining the supernatant wastewater capacity of the supernatant wastewater, and calculating an optimal pH value adjustment coefficient of the supernatant wastewater under the current capacity according to the supernatant wastewater capacity and the pH value of the supernatant wastewater;

and carrying out physicochemical sequence allocation treatment on all the physicochemical pools according to the optimal pH value adjustment coefficient to obtain the optimal physicochemical sequence of the supernatant wastewater.

5. The method for multiple recovery control of industrial wastewater according to claim 1, wherein the step of obtaining the metal ion concentration of the mixed heavy metal concentrate in the industrial wastewater, and calculating the initial blending concentration value of the lower blending pool according to the metal ion concentration, specifically comprises the steps of:

calculating the comprehensive pH value of the industrial wastewater after mixing the heavy metal concentrated solutions according to the metal ion concentration value and the concentration dosage to be treated, wherein the metal ion concentration value of each heavy metal concentrated solution is multiplied by the corresponding concentration dosage to be treated to obtain independent pH values of single heavy metal concentrated solutions, adding all the independent pH values to obtain the total volume of a current lower-level blending pool, dividing the total volume by the total volume of the current lower-level blending pool, and taking the quotient obtained by calculation as the comprehensive pH value of the industrial wastewater after mixing the heavy metal concentrated solutions;

the method comprises the steps of obtaining a current metal ion concentration value of a lower-level blending pool, calculating an initial blending concentration value of the lower-level blending pool according to the current ion concentration and the blending agent dosage adjustment value, wherein the product of the blending agent dosage adjustment value and the corresponding blending agent pH value is calculated to serve as a pH value adjustment parameter of the lower-level blending pool, the sum between the pH value adjustment parameter and the current pH value is divided by the total volume of the lower-level blending pool, and the obtained quotient is taken as the initial blending concentration value of the lower-level blending pool.

6. A multiple recovery control apparatus for a multiple recovery control method for industrial wastewater according to any one of claims 1 to 5, wherein the apparatus is provided with multiple materialized tanks for sequentially recovering and filtering industrial wastewater, and the apparatus is for controlling the displacer dosage for each level materialized tank, respectively, the apparatus comprising:

7. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements the steps of the multiple recovery control method of industrial waste water according to any one of claims 1 to 5.

8. A computer-readable storage medium storing a computer program, characterized in that the computer program when executed by a processor realizes the steps of the multiple recovery control method of industrial wastewater according to any one of claims 1 to 5.