CN112229770A - Device for automatically collecting, observing and identifying activated sludge sedimentation experiment process - Google Patents
Device for automatically collecting, observing and identifying activated sludge sedimentation experiment process Download PDFInfo
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- CN112229770A CN112229770A CN202010876485.6A CN202010876485A CN112229770A CN 112229770 A CN112229770 A CN 112229770A CN 202010876485 A CN202010876485 A CN 202010876485A CN 112229770 A CN112229770 A CN 112229770A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N2015/03—Electro-optical investigation of a plurality of particles, the analyser being characterised by the optical arrangement
Abstract
The invention discloses a device for automatically acquiring, observing and identifying an activated sludge sedimentation experiment process, which consists of an automatic sampling module, a comparison module, a camera module, a data processing module and a shell module, wherein the automatic sampling module comprises a transparent graduated cylinder, a waste liquid outlet pipe is arranged at the bottom of the transparent graduated cylinder, an overflow outlet is arranged at the upper part of the transparent graduated cylinder, and a water distribution pipe is arranged at the top of the transparent graduated cylinder and is connected with a liquid inlet pipe and a clear water pipe; the camera module comprises a camera with a data transmission device; the comparison module comprises a comparison backboard, the comparison backboard and the camera are respectively installed on two sides of the transparent measuring cylinder, the image shot by the camera module is transmitted to the data processing module, artificial intelligence visual identification analysis is carried out through the data processing module, and relevant information of a settlement ratio experiment is acquired. The device can automatically collect, observe and identify the sedimentation ratio experiment process, accurately understand and describe the characteristics and properties of the sludge, and provide technical decision reference for the operation of a sewage treatment system.
Description
Technical Field
The invention relates to a settlement ratio experimental device, in particular to a device for automatically collecting, observing and identifying an activated sludge settlement experimental process.
Background
In a sewage treatment system using an activated sludge process as a main process, the performance of activated sludge greatly influences the treatment effect of the sewage treatment system, and an activated sludge sedimentation experiment can embody the performance of activated sludge in the system from many aspects. Therefore, during the operation of the sewage treatment system, the most common method for the operation technical engineers is to evaluate the performance of the activated sludge in the aeration tank by performing sedimentation ratio experiments and observing the properties of the process. Because a great deal of information can be transmitted in the sedimentation ratio experiment process, the sampling and process observation time of the sedimentation ratio experiment is often more than thirty minutes; in the actual operation process of the sewage treatment plant, the observation operation of the traditional sedimentation ratio experiment process occupies more working time of a process engineering engineer, and certain sewage treatment plants tend to reduce or even do not carry out the experimental observation of the sludge sedimentation ratio; on the other hand, the phenomenon analysis in the sedimentation ratio experiment process has no way to carry out all clear quantitative standards, and the phenomena are often judged by depending on the experience of a process engineering engineer, so that whether the evaluation result is accurate or not and how much information obtained from the sedimentation ratio experiment is influenced by the experience value of an operation engineering engineer, and therefore, the information transmitted in the traditional sedimentation ratio experiment process often cannot provide due decision value for the good operation of a sewage treatment system.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for automatically acquiring, observing and identifying the activated sludge sedimentation experimental process, which can automatically acquire, observe and identify the sedimentation ratio experimental process, accurately understand and describe the characteristics and properties of sludge, evaluate the sludge performance of a biochemical pool and provide technical decision reference for the operation of a sewage treatment system.
The invention solves the technical problems by the following technical scheme:
the invention relates to a device for automatically acquiring, observing and identifying an activated sludge sedimentation experiment process, which consists of an automatic sampling module, a comparison module, a camera module, a data processing module and a shell module; the shell module comprises a shell, and the automatic sampling module, the comparison module and the camera module are arranged in the shell; the automatic sampling module comprises a transparent measuring cylinder, a waste liquid outlet pipe is arranged at the bottom of the transparent measuring cylinder, an overflow outlet is arranged at the upper part of the transparent measuring cylinder, the overflow outlet is communicated with the waste liquid outlet pipe through a pipeline, and a water distribution pipe is arranged at the top of the transparent measuring cylinder and is communicated with a liquid inlet pipe and a clear water pipe; the camera module comprises a camera with a data transmission device; the comparison module comprises a comparison backboard, the comparison backboard and the camera are respectively arranged on two sides of the transparent measuring cylinder, the comparison backboard is provided with a scale mark and a comparison color gamut, when the position of the camera is used as a sight starting point, the scale range of a settlement sludge interface in the transparent measuring cylinder and the scale range of the comparison backboard form an angle imaging corresponding relation, the measuring cylinder shot by the camera is superposed with an image of the comparison backboard, the displacement condition of wastewater and the settlement sludge interface in the transparent measuring cylinder in the sedimentation process can be displayed, and meanwhile, the visual characteristic of the settlement sludge observation property in the transparent measuring cylinder can be improved by comparing the color gamut of the backboard; the camera module is connected with the data processing module, the camera module transmits the shot image to the data processing module, artificial intelligent visual recognition and analysis are carried out through the data processing module, and measuring cylinder settlement sludge scales, sludge color and form, a muddy water interface, measuring cylinder wall adhesion, settlement speed, supernatant color and form and liquid level form information of a settlement ratio experiment are obtained so as to predict, evaluate and judge the sludge properties.
The transparent graduated cylinder adopts an English Hough tube with an overflow port, so that observation is facilitated, and the maximum water holding capacity is set to be controlled at 1000 mL.
The peristaltic pump is installed to the feed liquor pipe to guarantee that the mud property is intact not suffered to break up and destroy, mud property reduction degree is high.
The comparison back plate is provided with a background color capable of displaying the interface displacement of wastewater sedimentation sludge in the transparent measuring cylinder and other sludge character characteristics.
A fixing device is arranged in the shell of the shell module, and the automatic sampling module, the comparison module and the camera module are fixed in the shell through the fixing device
The data processing module is stored in the server or the cloud server and can automatically output technical report information.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention can realize full-automatic collection, observation, identification and report for sewage sedimentation experiment operation, is convenient and flexible to install and use, and has accurate and comprehensive information collection.
2) The peristaltic pump is used, so that the intact sludge property can be effectively ensured without being broken up and damaged, and the sludge property reduction degree is high.
3) The invention adopts the Yinhu tube as the transparent measuring cylinder, is beneficial to observation, and is provided with the overflow port, thereby ensuring that the sampling quantity can be fixed at 1000mL each time.
4) According to the invention, the waste liquid outflow pipe is arranged at the bottom of the transparent measuring cylinder, so that the mixed liquid at the front section can be discharged and collected firstly, the error is reduced, and the accuracy of the sedimentation ratio experiment is improved.
5) The automatic cleaning device has the function of automatic cleaning, can be cleaned after the observation of each experiment is finished, keeps the measuring cylinder clean, and avoids the error influence of the previous experiment on the next experiment.
6) The invention can improve the depth and the breadth of the automatic observation sedimentation experiment process, for example, the observation idea of the numerical line of the sedimentation ratio every five minutes has stronger practicability and accuracy than the idea of reading the single numerical value of the sedimentation ratio every thirty minutes. In addition, feature point extraction can be carried out on the process image, artificial intelligent visual recognition and analysis are further carried out, information including but not limited to information such as measuring cylinder settlement sludge scale, sludge color and form, a sludge-water interface, measuring cylinder wall adhesion, settlement speed, supernatant color and form and liquid level form of a settlement ratio experiment is obtained, sludge properties including but not limited to sludge concentration, sludge load, sludge aging or swelling condition, sludge denitrification condition, aeration condition and the like are predicted, evaluated and judged, sludge features and properties can be accurately understood and described, sludge performance of a biochemical pool is evaluated, and technical decision reference is provided for operation of a sewage treatment system.
Drawings
FIG. 1 is a schematic structural diagram of the device for automatically collecting, observing and identifying the activated sludge sedimentation experimental process.
Fig. 2 is a schematic diagram of the combination of the auto-sampling module and the alignment module of fig. 1.
In fig. 1: a-automatic sampling module, 1-transparent graduated flask; b-comparing module, 8-comparing backboard; c-camera module, C-camera with data transmission device; the system comprises a D-data processing module and a D-network cloud data processing system; e-housing module, E-securing means;
in fig. 2: 1-transparent measuring cylinder, 2-peristaltic pump, 3-liquid inlet pipe, 4-clear water pipe, 5-water distribution pipe, 6-overflow outlet, 7-waste liquid outlet pipe, 8-comparison back plate and 9-scale mark.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the device for automatically collecting, observing and identifying the activated sludge sedimentation experimental process comprises an automatic sampling module a, a comparison module B, a camera module C, a data processing module D and a shell module E, wherein the shell module E comprises a shell, and the automatic sampling module a, the comparison module B and the camera module C are arranged in the shell; the automatic sampling module A comprises a conical transparent measuring cylinder 1, a waste liquid outlet pipe 7 is arranged at the bottom of the conical transparent measuring cylinder 1, an overflow outlet 6 is arranged at the upper part of the conical transparent measuring cylinder 1, the overflow outlet is communicated with the waste liquid outlet pipe 7 through a U-shaped pipeline, a water distribution pipe 5 is arranged at the top of the conical transparent measuring cylinder 1, the water distribution pipe 5 is communicated with a liquid inlet pipe 3 and a clear water pipe 4, electromagnetic valves are arranged on the waste liquid outlet pipe 7, the liquid inlet pipe 3 and the clear water pipe 4, and a peristaltic pump 2 is arranged on the liquid inlet pipe 3; the camera module C comprises a camera C with a data transmission device; the comparison module B comprises a comparison back plate 8, the comparison back plate 8 and a camera c are respectively arranged on two sides of the conical transparent measuring cylinder 1, and the camera c is positioned in the middle of the side edge of the transparent measuring cylinder 1; the comparison backboard 8 is provided with a scale mark 9 and a comparison color gamut, when the position of the camera is taken as a sight starting point, the scale range of the interface of the settled sludge in the transparent measuring cylinder 1 (namely the scale range of the maximum water holding capacity) and the scale range of the comparison backboard form an angle imaging corresponding relation, the measuring cylinder shot by the camera c is superposed with the image of the comparison backboard 8, the displacement conditions of the interface of the wastewater and the settled sludge in the transparent measuring cylinder 1 in the sedimentation process can be displayed, and meanwhile, the visual characteristics of the observation properties of the settled sludge in the transparent measuring cylinder can be improved by comparing the color gamut of the backboard; the camera module C is connected with the data processing module D, the camera module C transmits the shot images to the data processing module D, artificial intelligent visual recognition and analysis are carried out through the data processing module D, and measuring cylinder settlement sludge scales, sludge colors and forms, muddy water interfaces, measuring cylinder wall adhesion, settlement speed, supernatant colors and forms and liquid level form information of a settlement ratio experiment are obtained so as to predict, evaluate and judge the sludge properties.
The data processing module D is stored in the server or the cloud server and can automatically output technical report information.
The transparent graduated cylinder 1 adopts an Yinhu tube with an overflow port to facilitate observation, and the maximum water holding capacity is set to be controlled at 1000 mL.
The peristaltic pump 2 is installed in the liquid inlet pipe 3, so that the intact sludge properties can be effectively guaranteed, the sludge properties are not broken up, and the sludge property reduction degree is high.
The comparison backboard 8 is provided with a ground color capable of displaying the precipitation displacement of the wastewater in the transparent measuring cylinder 1.
And a stabilizing device E is arranged in the shell of the shell module E, and the automatic sampling module A, the comparison module B and the camera module C are fixed in the shell through the stabilizing device E.
The peristaltic pump 2, the camera c, the waste liquid outlet pipe 7, the liquid inlet pipe 3 and the electromagnetic valves of the clear water pipe 4 are all connected with a PLC automatic control system so as to realize the automatic control function.
The camera c is configured with a wireless network function, and can automatically transmit camera data to a network cloud data processing system d.
The device of the invention is used as follows:
1. starting the peristaltic pump 2, and opening the electromagnetic valve of the water inlet pipe 3 and the waste liquid flowing pipeline 7 to drain the mixed liquid pumped in the first 60 seconds from the waste liquid flowing pipeline 7;
2. closing the electromagnetic valve of the waste liquid flowing pipeline 7 at the moment of 60 seconds after the peristaltic pump 2 is started, enabling the mixed liquid to enter the conical transparent measuring cylinder 1 from the water distribution pipe 5, enabling the water in the conical transparent measuring cylinder 1 to be full of 1000mL of scale mark after 30 seconds, enabling the extracted excessive mixed liquid to overflow through the overflow outlet 6 and be discharged through the liquid flowing pipeline 7, and automatically stopping the peristaltic pump 2;
3. starting triggering a camera c to time after the peristaltic pump 2 is shut down, respectively taking pictures in 5 minutes, 10 minutes, 15 minutes, 20 minutes, 25 minutes and 30 minutes, and transmitting the acquired images to a network cloud data processing system d through a wireless network by the camera c;
4. after the camera c finishes shooting for 30 minutes, the electromagnetic valve of the waste liquid flowing pipeline 7 is opened, and the mixed liquid in the conical transparent measuring cylinder 1 is discharged to the biochemical pool through the waste liquid flowing pipeline 7;
5. after the waste liquid is discharged, the electromagnetic valve of the clean water pipe 4 is opened, clean water enters the conical transparent measuring cylinder 1 through the water distribution pipe 3 for washing, and after 120 seconds, the electromagnetic valve of the clean water pipe 4 is closed; and the automatic sampling module A enters a standby state and waits for the next sampling moment.
6. The network cloud data processing system d extracts characteristic points of the collected sedimentation ratio experiment process images, and then compares, identifies and analyzes the acquired information including but not limited to the scale of sedimentation sludge of the measuring cylinder, the color and shape of the sludge, the interface of muddy water, the wall of the measuring cylinder, the sedimentation speed, the color and shape of supernatant, the liquid level shape and the like of the sedimentation ratio experiment, and predicts, evaluates and judges the characteristics of the sludge including but not limited to the concentration of the sludge, the load of the sludge, the aging or swelling condition of the sludge, the denitrification condition of the sludge, the aeration condition and the like.
7. And (4) integrating the characteristics of the sludge sedimentation process, and automatically generating an activated sludge property evaluation report according to the read characteristic information, wherein the report content comprises but is not limited to sludge concentration, sludge load, sludge aging or swelling condition, sludge denitrification condition, aeration condition and the like.
The device provided by the invention improves the depth and the breadth of the experimental process of the observed sedimentation ratio, and for example, the observation idea of the numerical line of the sedimentation ratio every five minutes has stronger practicability and accuracy than the idea of reading the single numerical value of the sedimentation ratio every thirty minutes. After the image data is collected and processed, an evaluation report can be output as a technical decision reference.
The following are examples of applications of the device of the invention:
example 1:
the device provided by the invention is used for automatically detecting the SV sedimentation experiment process of the aerobic tank of a certain municipal domestic sewage treatment plant.
Firstly, on reading data on the scale marks of the comparison backboard, the read sludge settlement data are respectively as follows: a 5 minute scale of 380ml, a 10 minute scale of 300ml, a 15 minute scale of 250ml, a 20 minute scale of 200ml, a 25 minute scale of 190ml, and a 30 minute scale of 190 ml.
Secondly, after extracting and comparing other sedimentation ratio experiment process characteristic points, other extracted abnormal information comprises: the clear liquid has a lower sensory clarity (more particles) than the pre-stored standards of the system, and the liquid level has significant scum and bubble mixing.
After being analyzed by the network cloud data processing system d, the settlement ratio calculated by taking the thirty-minute scale mark as the final settled sludge is 19 percent; the curve formed by connecting the sedimentation ratio of six time points with the 0 scale and the full scale is higher in accordance degree with the standard sedimentation curve, and the final conclusion is that by combining the sensory clarity of the clear liquid and the comparison result of the liquid level characteristic points: the activated sludge sedimentation performance is good, the SV30 value is normal, and the sludge tends to age.
Example 2:
the device provided by the invention is used for automatically detecting the SV sedimentation experiment process of the aerobic tank of a certain municipal domestic sewage treatment plant.
Firstly, on reading data on the scale marks of the comparison backboard, the read sludge settlement data are respectively as follows: 5 minutes scale-960 ml, 10 minutes scale-900 ml, 15 minutes scale-830 ml, 20 minutes scale-800 ml, 25 minutes scale-780 ml, 30 minutes scale-770 ml.
Secondly, after extracting and comparing other sedimentation ratio experiment process characteristic points, other extracted abnormal information comprises: a large amount of bubbles are distributed in the whole transparent measuring cylinder, and the color of the precipitated sludge is light and loose.
After being analyzed by the network cloud data processing system d, the settlement ratio is calculated to be 77% by taking thirty-minute scale lines as final settlement sludge; and (3) comparing the settlement ratio of six time points with a curve formed by connecting 0 scale and full scale, and comparing the curve with a standard settlement curve to obtain a longer conformity deviation, and finally outputting a report conclusion by combining the comparison result of the color character characteristic points of the precipitated sludge: the activated sludge has poor sedimentation performance, the SV30 value is too high, and the sludge is possibly in sludge bulking.
Claims (6)
1. A device for automatically collecting, observing and identifying an activated sludge sedimentation experiment process is characterized by comprising an automatic sampling module, a comparison module, a camera module, a data processing module and a shell module; the shell module comprises a shell, and the automatic sampling module, the comparison module and the camera module are arranged in the shell; the automatic sampling module comprises a transparent measuring cylinder, a waste liquid outlet pipe is arranged at the bottom of the transparent measuring cylinder, an overflow outlet is arranged at the upper part of the transparent measuring cylinder, the overflow outlet is communicated with the waste liquid outlet pipe through a pipeline, and a water distribution pipe is arranged at the top of the transparent measuring cylinder and is communicated with a liquid inlet pipe and a clear water pipe; the camera module comprises a camera with a data transmission device; the comparison module comprises a comparison backboard, the comparison backboard and the camera are respectively arranged on two sides of the transparent measuring cylinder, the comparison backboard is provided with a scale mark and a comparison color gamut, when the position of the camera is used as a sight starting point, the scale range of a settlement sludge interface in the transparent measuring cylinder and the scale range of the comparison backboard form an angle imaging corresponding relation, the measuring cylinder shot by the camera is superposed with an image of the comparison backboard, the displacement condition of wastewater and the settlement sludge interface in the transparent measuring cylinder in the sedimentation process can be displayed, and meanwhile, the visual characteristic of the settlement sludge observation property in the transparent measuring cylinder can be improved by comparing the color gamut of the backboard; the camera module is connected with the data processing module, the camera module transmits the shot image to the data processing module, artificial intelligent visual recognition and analysis are carried out through the data processing module, and measuring cylinder settlement sludge scales, sludge color and form, a muddy water interface, measuring cylinder wall adhesion, settlement speed, supernatant color and form and liquid level form information of a settlement ratio experiment are obtained so as to predict, evaluate and judge the sludge properties.
2. The apparatus for automatically collecting, observing and identifying the experimental process of activated sludge sedimentation as claimed in claim 1, wherein the transparent graduated cylinder is an Yinhu tube with an overflow port to facilitate observation, and the maximum water holding capacity is set to be controlled at 1000 mL.
3. The device for automatically collecting, observing and identifying the activated sludge sedimentation experimental process as claimed in claim 1 or 2, wherein the liquid inlet pipe is provided with a peristaltic pump to ensure that the sludge property is intact and not broken up and the sludge property reduction degree is high.
4. The apparatus for automatically collecting, observing and identifying the experimental process of activated sludge settling as claimed in claim 1, wherein the comparison back plate is provided with a background color capable of displaying the interface displacement of wastewater settling sludge and other characteristics of sludge in the transparent graduated cylinder.
5. The apparatus for automatically collecting, observing and identifying the sedimentation process of activated sludge according to claim 1, wherein a fixing device is provided in the housing of the housing module, and the automatic sampling module, the comparing module and the camera module are fixed in the housing by the fixing device.
6. The apparatus for automatically collecting, observing and identifying the experimental process of activated sludge deposition as claimed in claim 1, wherein the data processing module is stored in a server or a cloud server and can automatically output technical report information.
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Cited By (6)
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| CN112903546A (en) * | 2021-04-07 | 2021-06-04 | 上海海滨污水处理有限公司 | Automatic on-line monitoring system for sludge settlement ratio |
| CN112964607A (en) * | 2021-02-26 | 2021-06-15 | 重庆国际复合材料股份有限公司 | Settlement observation instrument |
| CN114324085A (en) * | 2021-12-15 | 2022-04-12 | 北京工业大学 | Integrated sludge sedimentation real-time monitoring and analyzing device and method |
| CN114459970A (en) * | 2022-01-26 | 2022-05-10 | 海若斯（北京）环境科技有限公司 | Device, method and system for automatically measuring sludge settlement ratio |
| CN115615885A (en) * | 2022-08-31 | 2023-01-17 | 金诚信矿业管理股份有限公司 | Intelligent analysis method and system for tailing flocculation and sedimentation |
| IT202100028064A1 (en) * | 2021-11-04 | 2023-05-04 | Arcangelo Ventura | DEVICE FOR THE AUTOMATIC MEASUREMENT OF THE SEDIMENTATION SPEED AND VOLUME OF THE SLUDGE. |
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| CN115615885A (en) * | 2022-08-31 | 2023-01-17 | 金诚信矿业管理股份有限公司 | Intelligent analysis method and system for tailing flocculation and sedimentation |
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