CN114295553A - High-flux coagulation and flocculation experiment system and method - Google Patents
High-flux coagulation and flocculation experiment system and method Download PDFInfo
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- CN114295553A CN114295553A CN202210008151.6A CN202210008151A CN114295553A CN 114295553 A CN114295553 A CN 114295553A CN 202210008151 A CN202210008151 A CN 202210008151A CN 114295553 A CN114295553 A CN 114295553A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 71
- 238000005345 coagulation Methods 0.000 title claims abstract description 59
- 230000015271 coagulation Effects 0.000 title claims abstract description 59
- 238000005189 flocculation Methods 0.000 title claims abstract description 35
- 230000016615 flocculation Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003814 drug Substances 0.000 claims abstract description 90
- 238000006243 chemical reaction Methods 0.000 claims abstract description 78
- 239000002002 slurry Substances 0.000 claims abstract description 77
- 238000003756 stirring Methods 0.000 claims abstract description 48
- 238000004062 sedimentation Methods 0.000 claims abstract description 40
- 238000002360 preparation method Methods 0.000 claims abstract description 35
- 230000004907 flux Effects 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 37
- 238000012360 testing method Methods 0.000 claims description 33
- 239000008394 flocculating agent Substances 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000013100 final test Methods 0.000 claims description 4
- 238000011002 quantification Methods 0.000 claims description 4
- 230000001112 coagulating effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000013090 high-throughput technology Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention relates to a high-throughput coagulation flocculation experiment system and an experiment method, which comprises a plurality of groups of transparent settling tanks, wherein the transparent settling tanks are sequentially arranged at the front end of a camera in a row, and the transparent settling tank farthest from the camera is printed with scale lines; one side of the transparent settling tanks, which is far away from the camera, is provided with a parallel light source emitter; the filling ends of the multiple groups of transparent settling tanks are all provided with four-way valves, one ends of the four-way valves are connected with the medicament stirring box through medicament variable-frequency high-flux pumps, and the multiple groups of transparent settling tanks respectively correspond to one inner cavity of the medicament stirring box; the slurry frequency conversion high-flux quantitative feeding pump is arranged between the slurry preparation tank and the four-way valve. The camera, the medicament frequency conversion high flux pump, the slurry preparation tank, the slurry frequency conversion high flux quantitative feeding pump, the medicament stirring box and the parallel light source emitter are electrically connected with the control computer. The sedimentation experiment device has the advantages of no human interference factor sedimentation experiment, and solves the problems of large human error and different experiment results of the existing sedimentation experiment.
Description
Technical Field
The invention belongs to the technical field of solid-liquid separation experiments, and particularly relates to a high-throughput coagulation flocculation experiment system and an experiment method.
Background
The coagulation/flocculation sedimentation experiment is one of basic methods of solid-liquid separation sedimentation experiments, and is widely applied to the industrial fields of environmental protection, mines, metallurgy, petrochemical industry and the like, the sedimentation experiment can explore the appropriate type and the optimal dosage of water treatment additives, guide equipment selection and the like, and the prior experimental means usually adopts one measuring cylinder to carry out batch experiments on different experimental conditions, namely each experimental condition corresponds to one experimental operation; a plurality of measuring cylinders are occasionally adopted to simultaneously carry out a plurality of groups of experimental conditions, generally 3-6 measuring cylinders are adopted to simultaneously carry out a plurality of groups of experimental conditions, so that the purpose of reducing the experimental times is achieved, but whether batch single experiment or multi-group simultaneous experiment is carried out, the observation of the settlement interface is finished by manual naked eyes; when a plurality of groups of simultaneous experiments are carried out, a plurality of persons are required to cooperate and complete, so the two methods are easy to cause the following problems: 1) some materials are difficult to distinguish a settlement interface by visual observation, and the settlement interfaces defined by different experimenters are different, so that different experimenters perform experiments to obtain different experimental results; 2) when the settling time is longer (sometimes longer than 24 hours or longer), the burden of experimenters is increased, and if people are changed midway to continue the experiment, the problem that different people define different settling interfaces is also existed; 3) in a plurality of groups of simultaneous experiments, when the coagulation/flocculation reagent is added, one person is difficult to add at the same time, and if a plurality of persons add at the same time, human errors caused by different mixing degrees, adding time, adding methods and the like exist; 4) in summary, the existing sedimentation experiment method has large human errors, which often cause the experiment result to deviate from the true value, and most importantly, the operation of different experimenters is different, which causes the experiment result to vary from person to person. Meanwhile, with the development of high-throughput technology and image processing technology, the realization of the high-throughput coagulation flocculation sedimentation experiment has important significance for the accuracy and standardization of the solid-liquid separation sedimentation experiment, and therefore, a high-throughput coagulation flocculation experiment system is urgently needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-throughput coagulation flocculation experiment system and an experiment method, which have the advantages of standardization and no human interference factor sedimentation experiment, and solve the problems of large human error and different experiment results of the existing sedimentation experiment; the operation is simple and convenient, and the popularization and the use are very easy.
A high-flux coagulation flocculation experiment system comprises a camera, a plurality of groups of transparent settling tanks, a medicament stirring box, a slurry preparation tank, a slurry frequency conversion high-flux quantitative feeding pump and a control computer, wherein the plurality of groups of transparent settling tanks are sequentially arranged at the front end of the camera in a row, and scale lines are printed on the transparent settling tank farthest from the camera; one side of the transparent settling tanks, which is far away from the camera, is provided with a parallel light source emitter; the filling ends of the multiple groups of transparent settling tanks are all provided with four-way valves, and one ends of the four-way valves are connected with the medicament stirring box through medicament variable-frequency high-flux pumps; the slurry frequency conversion high-flux quantitative feeding pump is arranged between the slurry preparation tank and the four-way valve; one end of the four-way valve is externally connected with a water source; the camera, the medicament stirring box, the parallel light source emitter, the medicament frequency conversion high-flux quantitative pump, the slurry preparation tank and the slurry frequency conversion high-flux quantitative feeding pump are electrically connected with the control computer through signal lines.
The transparent settling tanks are four groups, and the medicament stirring box comprises four inner cavities corresponding to the four inner cavities.
The liquid inlet end of the medicament frequency conversion high-flux pump extends to the bottom of the inner cavity of the medicament stirring box.
The input end of the slurry frequency conversion high-flux quantitative feeding pump extends to the bottom of the inner cavity of the slurry preparation tank.
One side of the output end of the medicament frequency conversion high-flux pump is connected with the four-way valve through a pipeline.
The multiple groups of transparent settling tanks respectively correspond to an inner cavity of the medicament stirring box.
The control computer is internally provided with a control system, the control system comprises a control module, a data receiving module, an image processing module, a data processing module and a result output module, the control module is used for controlling the opening, the quantification and the closing of the slurry frequency conversion high-flux quantitative feeding pump according to a feeding value preset before a test, and is used for controlling the opening, the metering and the closing of the medicament frequency conversion high-flux quantitative feeding pump and the starting and stopping of a power supply of the camera, the medicament stirring box, the slurry preparation tank and the parallel light source emitter; the data receiving module is used for receiving pictures shot in the test process and shot by the camera; the image processing module is used for converting the picture information data of the data receiving module into data required by a test, and the principle is that the picture information is subjected to binarization processing to obtain a solid-liquid separation interface value, and the converted data is transmitted to the data processing module; the data processing module is used for carrying out one-to-one correspondence on the recording time T of the camera corresponding to each solid-liquid separation interface value to obtain one-to-one correspondence data of the time T and the sedimentation height H, and a data table is formed to serve as a test result table; and the result output module is used for drawing the test result data table into a settlement curve and outputting the settlement curve and the table together as a test result for display.
The experimental method of the high-throughput flocculation experimental system specifically comprises the following steps:
the method comprises the following steps: configuring a sample to be tested according to the experiment requirement;
step two: preparing coagulation/flocculants to be added, wherein the coagulation/flocculants to be added are multiple different coagulation/flocculants to be added or one coagulation/flocculant to be added is divided into multiple groups;
step three: placing the sample to be tested configured in the step one into a slurry preparation tank; respectively placing the coagulation/flocculant to be added prepared in the step two into inner cavities in the medicament stirring box;
step four: sending opening instructions to a slurry frequency conversion high-flux quantitative feeding pump, a medicament frequency conversion high-flux quantitative feeding pump and a four-way valve respectively through a control computer, opening the slurry frequency conversion high-flux quantitative feeding pump, the medicament frequency conversion high-flux quantitative feeding pump and the four-way valve, enabling a coagulation/flocculant to enter corresponding transparent settling tanks respectively through the medicament frequency conversion high-flux quantitative feeding pump, and enabling a sample to be tested to enter a plurality of groups of transparent settling tanks through the slurry frequency conversion high-flux quantitative feeding pump;
when the coagulation/flocculant to be added configured in the step two is different coagulation/flocculants to be added, controlling the computer to control the medicament variable-frequency high-throughput pump to add the four coagulation/flocculants according to the same adding proportion; when a sample to be tested and four coagulation/flocculating agents are added, controlling a stirring part of a slurry preparation tank and a medicament stirring box to continuously run by a computer;
when the coagulation/flocculant to be added configured in the step two is a coagulation/flocculant to be added which is uniformly divided into a plurality of groups, controlling the computer to control the medicament variable-frequency high-flux pump to be added according to different adding proportions when four coagulation/flocculants are added in the step;
step five: when the addition of the test sample and the four coagulation/flocculating agents is finished, the control computer starts the parallel light source emitter and the camera, the moment is a timing zero point, the camera takes picture data every set time delta T and sends the picture data to the control computer, and the control system in the control computer processes the pictures to output a data table and draws a prepared settlement curve as a final test result.
The invention has the beneficial effects that:
1. the invention can carry out high-flux coagulation flocculation sedimentation experiments by matching the camera, the multiple groups of transparent sedimentation tanks, the four-way valve, the medicament frequency conversion high-flux pump, the medicament stirring box, the slurry preparation tank, the slurry frequency conversion high-flux quantitative feeding pump and the control computer, so that the experiments of the coagulation flocculation experiment system are more accurate, and the problems of large sedimentation experiment personal error and different experiment results due to incapability of carrying out standardized sedimentation experiments without human interference factors when the coagulation flocculation experiment system is used are solved, thereby being worthy of popularization.
2. According to the invention, through setting the scale marks, when the computer processes data, the accurate data of the liquid levels of a plurality of groups of transparent settling tanks in the image is obtained through the camera, so that the distortion of the test result caused by the error of the measured material density of an experimenter can be corrected.
3. The invention can realize high-flux coagulation and flocculation experiments, and can finish a plurality of groups of coagulation and flocculation sedimentation experimental data by one-time experiments by corresponding the medicament frequency conversion high-flux metering pump and the slurry frequency conversion high-flux quantitative feeding pump to a plurality of groups of transparent settling tanks.
4. The invention receives and processes data through a control system built in the control computer to obtain experimental result feedback.
Drawings
FIG. 1 is a schematic structural connection diagram of a high-throughput flocculation experimental system provided by the invention (wherein a transparent settling tank, a medicament stirring tank and a slurry preparation tank are in a main view direction);
FIG. 2 is a schematic structural connection diagram of the high-throughput flocculation experimental system provided by the invention (wherein a transparent settling tank, a medicament stirring tank and a slurry preparation tank are in a top view direction);
FIG. 3 is a graph showing the results of the experiment in example 1;
FIG. 4 is a graph showing the results of the experiment in example 2;
wherein,
the system comprises a camera 1, a transparent settling tank 2, a scale mark 2-1, a four-way valve 3, a medicament frequency conversion high-flux pump 4, a medicament stirring box 5, a slurry preparation tank 6, a slurry frequency conversion high-flux quantitative feeding pump 7, a control computer 8 and a parallel light source emitter 9.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, a high-throughput flocculation experiment system comprises a camera 1, a plurality of sets of transparent settling tanks 2, a medicament stirring tank 5, a slurry preparation tank 6, a slurry frequency conversion high-throughput quantitative feeding pump 7 and a control computer 8. A plurality of groups of transparent settling tanks 2 are sequentially arranged at the front end of the camera 1 in a row, and scale lines 2-1 are printed on the transparent settling tank 2 farthest from the camera 1; a parallel light source emitter 9 is arranged on one side of the transparent settling tanks 2, which is far away from the camera 1, and emits parallel light sources; the camera 1 can obtain the reading of a real solid-liquid separation interface in a sedimentation test through the set scale mark 2-1, and the setting of the parallel light source can assist in enhancing the definition of the solid-liquid separation interface. The filling ends of the multiple groups of transparent settling tanks 2 are all provided with four-way valves 3, one ends of the four-way valves 3 are connected with a medicament stirring box 5 through medicament variable-frequency high-flux pumps 4, the multiple groups of transparent settling tanks 2 respectively correspond to one inner cavity of the medicament stirring box 5, and the liquid inlet ends of the medicament variable-frequency high-flux pumps 4 extend to the bottom of the inner cavity of the medicament stirring box 5; one side of the output end of the medicament frequency conversion high-flux pump 4 is connected with the four-way valve 3 through a pipeline. The slurry frequency conversion high-flux quantitative feeding pump 7 is arranged between the slurry preparation tank 6 and the four-way valve 3, and the input end of the slurry frequency conversion high-flux quantitative feeding pump 7 extends to the bottom of the inner cavity of the slurry preparation tank 6. One end of the four-way valve is externally connected with a water source and is used for further diluting slurry when required in the experimental process. In this embodiment, the number of the transparent settling tanks 2 is four, and the medicament stirring box 5 includes four corresponding inner cavities.
The camera 1, the medicament frequency conversion high-flux quantitative pump 4, the medicament stirring box 5, the parallel light source emitter 9, the slurry preparation tank 6 and the slurry frequency conversion high-flux quantitative feeding pump 7 are electrically connected with the control computer 8 through signal lines, the camera 1 sends shot pictures to the control computer 8, and the control computer 8 can send a starting or ending working instruction to the medicament frequency conversion high-flux quantitative pump 4, the stirrer and the slurry frequency conversion high-flux quantitative feeding pump 7.
The control computer 8 is internally provided with a control system, the control system comprises a control module, a data receiving module, an image processing module, a data processing module and a result output module, the control module is used for controlling the opening, the quantification and the closing of the slurry frequency conversion high-flux quantitative feeding pump 7 according to a feeding value preset before a test, and is used for controlling the opening, the metering and the closing of the medicament frequency conversion high-flux quantitative feeding pump 4 and the starting and stopping of the power supplies of the camera 1, the medicament stirring tank 5, the slurry preparation tank 6 and the parallel light source emitter 9; the data receiving module is used for receiving pictures shot in the test process and shot by the camera 1; the image processing module is used for converting the picture information data of the data receiving module into data required by a test, and the principle is that the picture information is subjected to binarization processing to obtain a solid-liquid separation interface value, the solid-liquid separation interface value is converted into a sedimentation height H, and then the converted sedimentation height H is transmitted to the data processing module; the data processing module is used for recording the recording time T of the camera 1 corresponding to each solid-liquid separation interface value in a one-to-one correspondence mode to obtain one-to-one correspondence data of the time T and the sedimentation height H, and a data table is formed to serve as a test result table; and the result output module is used for drawing the test result data table into a settlement curve and outputting the settlement curve and the table together as a test result for display.
The experimental method for carrying out experiments by adopting the high-flux coagulation flocculation experimental system specifically comprises the following steps:
the method comprises the following steps: the sample to be tested is configured according to the experiment requirement, and the concentration of the sample to be tested in this embodiment is C. 25%.
Step two: in this embodiment, the coagulation/flocculation agent to be added is four PAM solutions 589T, N134, AY5002, and 88905h with a w/w% of 0.5 ‰ concentration.
Step three: placing the sample to be tested configured in the step one into a slurry preparation tank 6; and (3) respectively placing the prepared 589T, N134, AY5002 and 88905h PAM solutions in the second step into four inner cavities in the medicament stirring box 5.
Step four: sending opening instructions to a slurry frequency conversion high-flux quantitative feeding pump 7, a medicament frequency conversion high-flux quantitative feeding pump 4 and a four-way valve 3 respectively by a control computer 8, opening the slurry frequency conversion high-flux quantitative feeding pump 7, the medicament frequency conversion high-flux quantitative feeding pump 4 and the four-way valve 3, respectively entering four coagulation/flocculating agents into corresponding transparent settling tanks 2 through the medicament frequency conversion high-flux quantitative feeding pump 4 under the matching of the slurry frequency conversion high-flux quantitative feeding pump 7, the medicament frequency conversion high-flux quantitative feeding pump 4 and the four-way valve 3, and entering a sample to be tested into a plurality of groups of transparent settling tanks 2 through the slurry frequency conversion high-flux quantitative feeding pump 7; in the step, when four coagulation/flocculating agents are added, the control computer 8 controls the medicament variable-frequency high-flux pump 4 to be added in the same adding proportion, and in the embodiment, the four-way valves are all added in the adding proportion of 50 g/t; when the sample to be tested and the four coagulation/flocculation agents are added, the control computer 8 controls the stirring parts of the slurry preparation tank 6 and the chemical stirring tank 5 to operate continuously.
Step five: when the addition of the sample to be tested and four coagulation/flocculation agents is finished, the control computer 8 sends an opening instruction to the camera 1 and the parallel light source emitter 9 through the control system, the camera 1 and the parallel light source emitter 9 are opened, the timing zero point is formed at the moment, the camera 1 shoots a picture data at a set time delta T at intervals and sends the picture data to the control computer 8, an image processing module in the control system in the control computer 8 is controlled to carry out binarization processing on the picture, solid-liquid separation interface data generated after processing, namely the sedimentation height H, is transmitted to a data processing module, the control computer automatically records the change of the sedimentation height H along with the sedimentation time T, the data processing module transmits the data generated in the whole test to a result output module when the test is finished, the result output module carries out scatter diagram processing on the time T and the sedimentation height H, and the sedimentation time T is used as an X-axis horizontal coordinate, and the sedimentation height H is used as a Y-axis vertical coordinate, and a computer is controlled to output a data table and draw a prepared sedimentation curve as a final test result. The results of this example are shown in FIG. 3 and Table 1.
Table 1 settling results for four coagulation/flocculants in example 1 experiment
Example 2
As shown in fig. 1-2, a high-throughput flocculation experiment system comprises a camera 1, a plurality of sets of transparent settling tanks 2, a medicament stirring tank 5, a slurry preparation tank 6, a slurry frequency conversion high-throughput quantitative feeding pump 7 and a control computer 8. A plurality of groups of transparent settling tanks 2 are sequentially arranged at the front end of the camera 1 in a row, and scale lines 2-1 are printed on the transparent settling tank 2 farthest from the camera 1; a parallel light source emitter 9 is arranged on one side of the transparent settling tanks 2, which is far away from the camera 1, and emits parallel light sources; the camera 1 can obtain the reading of a real solid-liquid separation interface in a sedimentation test by setting scale lines 2-1, and the definition of the solid-liquid separation interface can be enhanced by setting a parallel light source. The filling ends of the multiple groups of transparent settling tanks 2 are all provided with four-way valves 3, one ends of the four-way valves 3 are connected with a medicament stirring box 5 through medicament variable-frequency high-flux pumps 4, the multiple groups of transparent settling tanks 2 respectively correspond to one inner cavity of the medicament stirring box 5, and the liquid inlet ends of the medicament variable-frequency high-flux pumps 4 extend to the bottom of the inner cavity of the medicament stirring box 5; one side of the output end of the medicament frequency conversion high-flux pump 4 is connected with the four-way valve 3 through a pipeline. The slurry frequency conversion high-flux quantitative feeding pump 7 is arranged between the slurry preparation tank 6 and the four-way valve 3, and the input end of the slurry frequency conversion high-flux quantitative feeding pump 7 extends to the bottom of the inner cavity of the slurry preparation tank 6. One end of the four-way valve is externally connected with a water source. In this embodiment, the number of the transparent settling tanks 2 is four, and the medicament stirring box 5 includes four corresponding inner cavities.
The output ends of the camera 1, the medicament frequency conversion high-flux quantitative pump 4, the medicament stirring box 5, the parallel light source emitter 9, the slurry preparation tank 6 and the slurry frequency conversion high-flux quantitative feeding pump 7 are electrically connected with the control computer 8, the camera 1 sends a shot picture to the control computer 8, and the control computer 8 can send a starting or ending working instruction to the medicament frequency conversion high-flux quantitative pump 4, the stirrer and the slurry frequency conversion high-flux quantitative feeding pump 7.
The control computer 8 is internally provided with a control system, the control system comprises a control module, a data receiving module, an image processing module, a data processing module and a result output module, the control module is used for controlling the opening, the quantification and the closing of the slurry frequency conversion high-flux quantitative feeding pump 7 according to a feeding value preset before a test, and is used for controlling the opening, the metering and the closing of the medicament frequency conversion high-flux quantitative feeding pump 4 and the starting and stopping of the power supplies of the camera 1, the medicament stirring tank 5, the slurry preparation tank 6 and the parallel light source emitter 9; the data receiving module is used for receiving pictures shot in the test process and shot by the camera 1; the image processing module is used for converting the picture information data of the data receiving module into data required by a test, and the principle is that the picture information is subjected to binarization processing to obtain a solid-liquid separation interface value, the solid-liquid separation interface value is converted into a sedimentation height H, and then the converted sedimentation height H is transmitted to the data processing module; the data processing module is used for recording the recording time T of the camera 1 corresponding to each solid-liquid separation interface value in a one-to-one correspondence mode to obtain one-to-one correspondence data of the time T and the sedimentation height H, and a data table is formed to serve as a test result table; and the result output module is used for drawing the test result data table into a settlement curve and outputting the settlement curve and the table together as a test result for display.
The experimental method for carrying out experiments by adopting the high-flux coagulation flocculation experimental system specifically comprises the following steps:
the method comprises the following steps: the sample to be tested is configured according to the experiment requirement, and the concentration of the sample to be tested in this embodiment is C. 25%.
Step two: preparing a coagulation/flocculant to be added, wherein the coagulation/flocculant to be added in the embodiment is AY5002 flocculant with w/w% of 0.5 thousandth concentration, and dividing into four parts.
Step three: placing the sample to be tested configured in the step one into a slurry preparation tank 6; and (4) respectively placing four uniformly distributed AY5002 flocculating agents prepared in the step two into four inner cavities in the medicament stirring box 5.
Step four: sending opening instructions to a slurry frequency conversion high-flux quantitative feeding pump 7, a medicament frequency conversion high-flux quantitative feeding pump 4 and a four-way valve 3 respectively by a control computer 8, opening the slurry frequency conversion high-flux quantitative feeding pump 7, the medicament frequency conversion high-flux quantitative feeding pump 4 and the four-way valve 3, respectively entering four coagulation/flocculating agents into corresponding transparent settling tanks 2 through the medicament frequency conversion high-flux quantitative feeding pump 4 under the matching of the slurry frequency conversion high-flux quantitative feeding pump 7, the medicament frequency conversion high-flux quantitative feeding pump 4 and the four-way valve 3, and entering a sample to be tested into a plurality of groups of transparent settling tanks 2 through the slurry frequency conversion high-flux quantitative feeding pump 7; in the step, when four coagulation/flocculating agents are added, the control computer 8 controls the medicament variable-frequency high-flux pump 4 to be added according to different adding proportions, and in the embodiment, the four-way valves 3 are added according to adding proportions of 10g/t, 25g/t, 40g/t and 100g/t respectively; when the sample to be tested and the four coagulation/flocculation agents are added, the control computer 8 controls the stirring parts of the slurry preparation tank 6 and the chemical stirring tank 5 to operate continuously.
Step five: after the sample to be tested and four groups of coagulation/flocculating agents are added, the control computer 8 sends an opening instruction to the camera 1 and the parallel light source emitter 9 through the control system, the camera 1 and the parallel light source emitter 9 are opened, a timing zero point is formed at the moment, the camera 1 shoots picture data at a set time delta T at intervals and sends the picture data to the control computer 8, an image processing module in the control system in the control computer 8 is controlled to carry out binarization processing on the picture, solid-liquid separation interface data generated after processing, namely sedimentation height H, is transmitted to a data processing module, the control computer automatically records the change of the sedimentation height H along with the sedimentation time T, the data processing module transmits the data generated in the whole test to a result output module after the test is finished, the result output module carries out scatter diagram processing on the time T and the sedimentation height H, and the sedimentation time T is used as an X-axis horizontal coordinate, and the sedimentation height H is used as a Y-axis vertical coordinate, and a computer is controlled to output a data table and draw a prepared sedimentation curve as a final test result. The results of this example are shown in fig. 4 and table 2.
Table 2 settling results for four sets of coagulation/flocculants in example 2 experiment
According to the first embodiment and the second embodiment, experimental data can be obtained under the condition of no manual participation, and interference of human factors is avoided.
This application is through setting up camera 1, the transparent subsider of multiunit 2, cross valve 3, medicament frequency conversion high flux pump 4, medicament stirring case 5, ground paste preparation groove 6, ground paste frequency conversion high flux ration feed pump 7 and control computer 8, cooperate the use, can standardize and do not have the human interference factor and subside the experiment, the experiment of experimental system of flocculating coagulates like this is more accurate, it is when using to have solved the experimental system of flocculating coagulates, because of can not standardize and do not have the human interference factor and subside the experiment, it is big very easily to appear subsiding experiment personal error, the different problem of experimental result from one person to another. The invention automatically completes the data post-processing of the experimental process through the control system, obtains the feedback of the experimental result, and records and saves and outputs the data. According to the invention, multiple groups of transparent settling tanks 2 are arranged, and multiple groups of high-flux coagulation and flocculation experiments can be completed through one experiment by corresponding the reagent frequency conversion high-flux metering pump 4 and the slurry frequency conversion high-flux quantitative feeding pump 7 to the multiple groups of transparent settling tanks 2.
Claims (8)
1. A high flux coagulating flocculation experiment system is characterized in that: the system comprises a camera, a plurality of groups of transparent settling tanks, a medicament stirring box, a slurry preparation tank, a slurry variable-frequency high-flux quantitative feeding pump and a control computer, wherein the plurality of groups of transparent settling tanks are sequentially arranged at the front end of the camera in a row, and scale lines are printed on the transparent settling tank farthest from the camera; one side of the transparent settling tanks, which is far away from the camera, is provided with a parallel light source emitter; the filling ends of the multiple groups of transparent settling tanks are all provided with four-way valves, and one ends of the four-way valves are connected with the medicament stirring box through medicament variable-frequency high-flux pumps; the slurry frequency conversion high-flux quantitative feeding pump is arranged between the slurry preparation tank and the four-way valve; one end of the four-way valve is externally connected with a water source; the camera, the medicament stirring box, the parallel light source emitter, the medicament frequency conversion high-flux quantitative pump, the slurry preparation tank and the slurry frequency conversion high-flux quantitative feeding pump are electrically connected with the control computer through signal lines.
2. The high-throughput flocculation experiment system of claim 1, wherein: the transparent settling tanks are four groups, and the medicament stirring box comprises four inner cavities corresponding to the four inner cavities.
3. The high-throughput flocculation experiment system of claim 1, wherein: the liquid inlet end of the medicament frequency conversion high-flux pump extends to the bottom of the inner cavity of the medicament stirring box.
4. The high-throughput flocculation experiment system of claim 1, wherein: the input end of the slurry frequency conversion high-flux quantitative feeding pump extends to the bottom of the inner cavity of the slurry preparation tank.
5. The high-throughput flocculation experiment system of claim 1, wherein: one side of the output end of the medicament frequency conversion high-flux pump is connected with the four-way valve through a pipeline.
6. The high-throughput flocculation experiment system of claim 1, wherein: the multiple groups of transparent settling tanks respectively correspond to an inner cavity of the medicament stirring box.
7. The high-throughput flocculation experiment system of claim 1, wherein: the control computer is internally provided with a control system, the control system comprises a control module, a data receiving module, an image processing module, a data processing module and a result output module, the control module is used for controlling the opening, the quantification and the closing of the slurry frequency conversion high-flux quantitative feeding pump according to a feeding value preset before a test, and is used for controlling the opening, the metering and the closing of the medicament frequency conversion high-flux quantitative feeding pump and the starting and stopping of a power supply of the camera, the medicament stirring box, the slurry preparation tank and the parallel light source emitter; the data receiving module is used for receiving pictures shot in the test process and shot by the camera; the image processing module is used for converting the picture information data of the data receiving module into data required by a test, and the principle is that the picture information is subjected to binarization processing to obtain a solid-liquid separation interface value, and the converted data is transmitted to the data processing module; the data processing module is used for carrying out one-to-one correspondence on the recording time T of the camera corresponding to each solid-liquid separation interface value to obtain one-to-one correspondence data of the time T and the sedimentation height H, and a data table is formed to serve as a test result table; and the result output module is used for drawing the test result data table into a settlement curve and outputting the settlement curve and the table together as a test result for display.
8. The experimental method of the high-throughput flocculation experimental system of any one of claims 1 to 7, which is characterized by comprising the following steps:
the method comprises the following steps: configuring a sample to be tested according to the experiment requirement;
step two: preparing coagulation/flocculants to be added, wherein the coagulation/flocculants to be added are multiple different coagulation/flocculants to be added or one coagulation/flocculant to be added is divided into multiple groups;
step three: placing the sample to be tested configured in the step one into a slurry preparation tank; respectively placing the coagulation/flocculant to be added prepared in the step two into inner cavities in the medicament stirring box;
step four: sending opening instructions to a slurry frequency conversion high-flux quantitative feeding pump, a medicament frequency conversion high-flux quantitative feeding pump and a four-way valve respectively through a control computer, opening the slurry frequency conversion high-flux quantitative feeding pump, the medicament frequency conversion high-flux quantitative feeding pump and the four-way valve, enabling a coagulation/flocculant to enter corresponding transparent settling tanks respectively through the medicament frequency conversion high-flux quantitative feeding pump, and enabling a sample to be tested to enter a plurality of groups of transparent settling tanks through the slurry frequency conversion high-flux quantitative feeding pump;
when the coagulation/flocculant to be added configured in the step two is different coagulation/flocculants to be added, controlling the computer to control the medicament variable-frequency high-throughput pump to add the four coagulation/flocculants according to the same adding proportion; when a sample to be tested and four coagulation/flocculating agents are added, controlling a stirring part of a slurry preparation tank and a medicament stirring box to continuously run by a computer;
when the coagulation/flocculant to be added configured in the step two is a coagulation/flocculant to be added which is uniformly divided into a plurality of groups, controlling the computer to control the medicament variable-frequency high-flux pump to be added according to different adding proportions when four coagulation/flocculants are added in the step;
step five: when the addition of the test sample and the four coagulation/flocculating agents is finished, the control computer starts the parallel light source emitter and the camera, the moment is a timing zero point, the camera takes picture data every set time delta T and sends the picture data to the control computer, and the control system in the control computer processes the pictures to output a data table and draws a prepared settlement curve as a final test result.
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