CN117185412A - Intelligent oil-water separation monitoring system - Google Patents
Intelligent oil-water separation monitoring system Download PDFInfo
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- CN117185412A CN117185412A CN202311145488.2A CN202311145488A CN117185412A CN 117185412 A CN117185412 A CN 117185412A CN 202311145488 A CN202311145488 A CN 202311145488A CN 117185412 A CN117185412 A CN 117185412A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000000926 separation method Methods 0.000 title claims abstract description 42
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 282
- 239000002351 wastewater Substances 0.000 claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 39
- 239000004519 grease Substances 0.000 claims description 245
- 238000010521 absorption reaction Methods 0.000 claims description 41
- 230000008859 change Effects 0.000 claims description 28
- 230000000007 visual effect Effects 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 13
- 230000002776 aggregation Effects 0.000 claims description 8
- 238000004220 aggregation Methods 0.000 claims description 8
- 230000004931 aggregating effect Effects 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 10
- 239000010806 kitchen waste Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 235000021055 solid food Nutrition 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Removal Of Floating Material (AREA)
Abstract
The application provides an oil-water separation intelligent monitoring system, which is used for shooting and analyzing images of the surface of wastewater to obtain oil distribution state information of floating oil on the surface of the wastewater, positioning the oil floating on the surface of the wastewater by using the oil distribution state information as a reference, conveniently gathering the oil floating on the surface of the wastewater in a specific area on the surface of the wastewater, realizing the relative fixation of the oil position, enabling the oil to be adsorbed under negative pressure in a smaller area range, avoiding the oil from drifting in position and separating from the original negative pressure adsorption range in the negative pressure adsorption process, and effectively improving the negative pressure adsorption efficiency of the oil; and shooting and analyzing images of the specific area in the process of negative pressure adsorption to obtain oil existence state information and water surface fluctuation state information of the specific area, adjusting the working state of the adsorption equipment, ensuring the operation condition of oil-water separation to be adjusted according to the real-time existence condition of oil in wastewater in the process of oil adsorption, and increasing the efficiency of oil-water separation.
Description
Technical Field
The application relates to the field of wastewater treatment, in particular to an intelligent oil-water separation monitoring system.
Background
In places such as restaurants, a large amount of kitchen waste is generated in daily operation, and the kitchen waste usually contains solid food residues and swill. The main components of the swill are wastewater and grease, and if the swill is not timely subjected to oil-water separation, bacteria can be bred in the grease to generate putrefactive smell. Meanwhile, the swill has larger quantity, and the swill can be discharged after timely oil-water separation and innocent treatment. The existing oil-water separation of swill mainly utilizes a molecular biological film to filter swill, grease in swill can be intercepted by the molecular biological film after the swill permeates the molecular biological film, and although the molecular biological film can effectively perform oil-water separation, the oil-water separation speed is lower, oil-water separation can not be performed on a large amount of swill in a short time, the oil-water separation speed of swill is reduced, and meanwhile, the operation state of oil-water separation can not be adaptively adjusted in the oil-water separation process.
Disclosure of Invention
The application aims to provide an oil-water separation intelligent monitoring system which shoots and analyzes images of the surface of wastewater to obtain oil distribution state information of oil floating on the surface of the wastewater, so that the oil floating on the surface of the wastewater is positioned, the oil floating on the surface of the wastewater is conveniently collected in a specific area of the surface of the wastewater based on the oil distribution state information, the relative fixation of the oil position is realized, the oil can be adsorbed under negative pressure in a smaller area range, the oil can be prevented from drifting away from the original negative pressure adsorption range in the negative pressure adsorption process, and the negative pressure adsorption efficiency of the oil can be effectively improved; and shooting and analyzing images of the specific area in the process of negative pressure adsorption to obtain oil existence state information and water surface fluctuation state information of the specific area, so as to adjust the working state of the adsorption equipment, ensure that the operation condition of oil-water separation can be matched and adjusted according to the real-time existence condition of oil in wastewater in the process of oil adsorption, and increase the efficiency and reliability of oil-water separation.
The application is realized by the following technical scheme:
an oil-water separation intelligent monitoring system, comprising:
the visual shooting module is used for shooting the wastewater to obtain a wastewater surface image;
the visual analysis module is used for analyzing the wastewater surface image to obtain the oil distribution state information of the floating wastewater surface;
the grease aggregation treatment module is used for aggregating the grease floating on the surface of the wastewater in a specific area on the surface of the wastewater according to the grease distribution state information;
the oil absorption treatment control module is used for controlling the adsorption equipment to carry out negative pressure adsorption treatment on the grease floating in the specific area;
the visual shooting module is also used for shooting the specific area in the negative pressure adsorption treatment process to obtain a specific area image;
the visual analysis module is also used for analyzing the image of the specific area to obtain the oil existence state information and the water surface fluctuation state information of the specific area in the negative pressure adsorption treatment process;
the oil absorption processing control module is also used for adjusting the working state of the adsorption equipment according to the oil existence state information and the water surface fluctuation state information.
Optionally, the vision shooting module is used for shooting the waste water, obtains waste water surface image, includes:
binocular shooting is carried out on the surface of the wastewater to obtain binocular images of the surface of the wastewater;
the visual analysis module is used for analyzing the wastewater surface image to obtain the oil distribution state information of the floating wastewater surface, and comprises the following steps:
performing binocular parallax extraction treatment on the binocular images on the surface of the wastewater, and generating three-dimensional images corresponding to the surface of the wastewater according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition treatment on the three-dimensional image to obtain the respective position information and the grease film areas of all the grease films floating on the surface of the wastewater.
Optionally, the grease aggregation processing module is configured to aggregate the grease floating on the surface of the wastewater in a specific area of the surface of the wastewater according to the grease distribution state information, and includes:
obtaining the distance information of all grease films according to the position information of all grease films floating on the surface of the wastewater; selecting a part of grease films from all the grease films according to the distance information to be used as an object for grease aggregation treatment;
determining the range of the surrounding area of the selected part of the grease film according to the grease film area corresponding to the selected part of the grease film; and then according to the range of the surrounding area, gathering the selected part of grease film on a specific area of the surface of the wastewater.
Optionally, the oil absorption control module is configured to control the adsorption device to perform negative pressure adsorption treatment on the grease floating in the specific area, and includes:
the oil absorption treatment control module controls adsorption equipment with a negative pressure adsorption nozzle to carry out negative pressure adsorption treatment on the grease film floating in the specific area, and adjusts the negative pressure adsorption power corresponding to the implementation of the negative pressure adsorption treatment by the adsorption equipment and/or the relative position relation between the negative pressure adsorption nozzle and the grease film.
Optionally, the visual shooting module is configured to shoot the specific area in the negative pressure adsorption process to obtain an image of the specific area, and includes:
in the process of carrying out the negative pressure adsorption treatment by the adsorption equipment, carrying out positioning identification on the adsorption equipment to obtain the position information of the adsorption equipment on the plane of the specific area; and based on the position information, binocular shooting is carried out on the implementation position point of the negative pressure adsorption treatment of the adsorption equipment in the specific area and the area with the specific radius range nearby the implementation position point, so that corresponding binocular images of the specific area are obtained.
Optionally, the visual analysis module is configured to analyze the image of the specific area to obtain the oil presence status information and the water surface fluctuation status information of the specific area in the negative pressure adsorption process, where the visual analysis module includes:
performing binocular parallax extraction processing on the binocular image in the specific area, and generating a corresponding three-dimensional image according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition processing on the three-dimensional image to obtain the area change information of the continuous grease film in the current binocular shooting area, the thickness change information of the grease film and the water surface fluctuation amplitude information of the current binocular shooting area.
Optionally, the oil absorption processing control module is configured to adjust a working state of the adsorption device according to the oil existence state information and the water surface fluctuation state information, and includes:
according to the area change information of the continuous grease film, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film;
and/or adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film;
and/or adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the water surface fluctuation amplitude information.
Optionally, the oil absorption processing control module is configured to adjust a working state of the adsorption device according to the oil existence state information and the water surface fluctuation state information, and includes:
step S1, adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film by using the following formula (1),
in the above formula (1), H (t) represents a depth value of the negative pressure adsorption nozzle immersed in the grease film at time t; d (t) represents a thickness value of the grease film at time t; d (T-T) represents the thickness value of the grease film at the time T-T; t represents a unit time; d (t) 0 ) Representing t 0 The thickness value of the grease film at the moment; t is t 0 Indicating the starting time of the negative pressure adsorption nozzle;
step S2, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the fluctuation amplitude information of the water surface fluctuation and the area change information of the continuous grease film by using the following formula (2),
in the above formula (2), P (t) represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at time t; p (P) e Indicating the rated power of the negative pressure adsorption nozzle for adsorbing the grease film; s (t) represents the area of the continuous grease film at the time t; s (T-T) represents the area of the continuous grease film at the time T-T; s (t) 0 ) Representing t 0 The area of the continuous grease film at the moment; r (t) represents the fluctuation amplitude value of the water surface fluctuation at the moment t; f [ R (t)]Representing the retention of units for R (t) removal;
step S3, after the negative pressure adsorption is completed, determining the shortest cleaning time of the negative pressure adsorption nozzle according to the maximum depth of the negative pressure adsorption nozzle immersed into the grease film and the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film in the whole negative pressure adsorption process by using the following formula (3),
in the above formula (3), T q Representing the negative pressure adsorption nozzleIs the shortest cleaning time of (a); t (T) 0 Representing the fixed cleaning time of the negative pressure adsorption nozzle; t (T) max Representing the preset longest cleaning time of the negative pressure adsorption nozzle; h (t) 0 ) Representing t 0 The depth value of the negative pressure adsorption nozzle immersed into the grease film at the moment; p (t ') represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at the time t'; t, t n Indicating the final time after the adsorption is completed;indicating that t is absorbed 0 To t n And the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is reached in time.
Optionally, the oil absorption processing control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the area change information of the continuous grease film, and the oil absorption processing control module comprises:
reducing the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film according to the area reduction speed of the continuous grease film;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film, and comprises the following steps:
according to the thickness reduction speed of the grease film, the depth of the negative pressure adsorption nozzle immersed into the grease film is reduced;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the water surface fluctuation amplitude information, and the oil absorption treatment control module comprises:
comparing the average water surface fluctuation amplitude contained in the water surface fluctuation amplitude information with a preset amplitude threshold, and if the average water surface fluctuation amplitude is greater than or equal to the preset amplitude threshold, reducing the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film; if the average amplitude of the fluctuation of the water surface is smaller than a preset amplitude threshold, the current negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is kept unchanged.
Compared with the prior art, the application has the following beneficial effects:
according to the intelligent oil-water separation monitoring system provided by the application, the images of the surface of the wastewater are shot and analyzed to obtain the oil distribution state information of the floating oil on the surface of the wastewater, so that the oil floating on the surface of the wastewater is positioned, the oil floating on the surface of the wastewater is conveniently collected in a specific area on the surface of the wastewater based on the oil distribution state information, the relative fixation of the oil position is realized, the oil can be adsorbed under negative pressure in a small area range, the oil can be prevented from drifting away from the original negative pressure adsorption range in the negative pressure adsorption process, and the negative pressure adsorption efficiency of the oil is effectively improved; and shooting and analyzing images of the specific area in the process of negative pressure adsorption to obtain oil existence state information and water surface fluctuation state information of the specific area, so as to adjust the working state of the adsorption equipment, ensure that the operation condition of oil-water separation can be matched and adjusted according to the real-time existence condition of oil in wastewater in the process of oil adsorption, and increase the efficiency and reliability of oil-water separation.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of a framework of an intelligent monitoring system for oil-water separation.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The terms "comprising" and "having" and any variations thereof herein are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, an intelligent monitoring system for oil-water separation according to an embodiment of the present application includes:
the visual shooting module is used for shooting the wastewater to obtain a wastewater surface image;
the visual analysis module is used for analyzing the wastewater surface image to obtain the oil distribution state information of the floating wastewater surface;
the grease aggregation treatment module is used for aggregating grease floating on the surface of the wastewater in a specific area on the surface of the wastewater according to the grease distribution state information;
the oil absorption treatment control module is used for controlling the adsorption equipment to carry out negative pressure adsorption treatment on the grease floating in the specific area;
the visual shooting module is also used for shooting the specific area in the negative pressure adsorption treatment process to obtain a specific area image;
the visual analysis module is also used for analyzing the image of the specific area to obtain the oil existence state information and the water surface fluctuation state information of the specific area in the process of carrying out the negative pressure adsorption treatment;
the oil absorption processing control module is also used for adjusting the working state of the adsorption equipment according to the oil existence state information and the water surface fluctuation state information.
The oil-water separation intelligent monitoring system has the beneficial effects that the oil-water separation intelligent monitoring system shoots and analyzes the images of the surface of the wastewater to obtain the oil distribution state information of the floating oil on the surface of the wastewater, so that the oil floating on the surface of the wastewater is positioned, the oil floating on the surface of the wastewater is conveniently collected in a specific area on the surface of the wastewater based on the oil distribution state information, the relative fixation of the oil position is realized, the oil can be adsorbed under negative pressure in a smaller area range, the oil can be prevented from drifting away from the original negative pressure adsorption range in the negative pressure adsorption process, and the negative pressure adsorption efficiency of the oil is effectively improved; and shooting and analyzing images of the specific area in the process of negative pressure adsorption to obtain oil existence state information and water surface fluctuation state information of the specific area, so as to adjust the working state of the adsorption equipment, ensure that the operation condition of oil-water separation can be matched and adjusted according to the real-time existence condition of oil in wastewater in the process of oil adsorption, and increase the efficiency and reliability of oil-water separation.
In another embodiment, the visual shooting module is configured to shoot wastewater to obtain a wastewater surface image, and includes:
binocular shooting is carried out on the surface of the wastewater to obtain binocular images of the surface of the wastewater;
the visual analysis module is used for analyzing the surface image of the wastewater to obtain the distribution state information of the oil floating on the surface of the wastewater, and comprises the following steps:
performing binocular parallax extraction treatment on the binocular image of the wastewater surface, and generating a three-dimensional image corresponding to the wastewater surface according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition treatment on the three-dimensional image to obtain the respective position information and the grease film areas of all the grease films floating on the surface of the wastewater.
The beneficial effects of the embodiment are that because of the density difference between water and grease, grease components in the waste water can float on the surface of the waste water, so that corresponding grease films are formed in different areas on the surface of the waste water, the areas of the grease films are different, and when the waste water is subjected to oil-water separation, grease can be separated from the waste water independently only by carrying out negative pressure adsorption on the grease films floating on the surface of the waste water one by one. In order to accurately adsorb the grease film floating on the surface of the wastewater under negative pressure, binocular shooting is firstly carried out on the surface of the wastewater to obtain corresponding binocular images of the surface of the wastewater, and then based on binocular parallax of the binocular images of the surface of the wastewater, a three-dimensional image corresponding to the surface of the wastewater is generated, so that all the grease films floating on the surface of the wastewater are comprehensively three-dimensionally characterized. And then carrying out pixel contour recognition treatment on the three-dimensional image of the wastewater surface to obtain edge contour information of each grease film floating on the wastewater surface, so that the position of each grease film on the wastewater surface and the area of each grease film are quantitatively determined, the corresponding grease films are conveniently gathered, and the position fixing and the concentrated adsorption of the grease films are realized.
In another embodiment, the grease collecting processing module is configured to collect grease floating on the surface of the wastewater in a specific area of the surface of the wastewater according to the grease distribution status information, and includes:
obtaining the distance information of all grease films according to the position information of all grease films floating on the surface of the wastewater; selecting a part of grease films from all the grease films according to the distance information as an object for grease aggregation treatment;
determining a surrounding area range for the selected part of the grease film according to the grease film area corresponding to the selected part of the grease film; and then according to the range of the surrounding area, gathering the selected part of grease film on a specific area of the surface of the wastewater.
The method has the beneficial effects that after the edge profile information of each grease film floating on the surface of the wastewater is determined, the geometric center position of each grease film is determined by taking the edge profile information as a reference, and the geometric center position of each grease film is used as the position information of the grease film. And comparing the respective geometric center positions of all the grease films to obtain a distance value between any two adjacent grease films (namely, a distance value between the geometric centers of any two adjacent grease films), determining the corresponding two grease films as belonging to the same grease film group when the distance value is smaller than or equal to a preset distance value, and selecting all grease films subordinate to the same grease film group from all the grease films as objects for grease aggregation treatment. And determining the range of the surrounding area of the grease film group according to the areas of the grease films corresponding to all the grease films of the same grease film group, so that the areas of the grease films corresponding to all the grease films of the same grease film group are covered in the range of the surrounding area, and the range of the surrounding area is surrounded by the rubber ring, so that all the grease films in the range of the surrounding area are gathered, the corresponding grease films are conveniently fixed in the rubber ring relatively, and the offset of large displacement of the grease films in the subsequent negative pressure adsorption process is avoided, thereby improving the negative pressure adsorption accuracy of the grease films.
In another embodiment, the oil absorption control module is configured to control the adsorption device to perform negative pressure adsorption treatment on grease floating in the specific area, and includes:
the oil absorption treatment control module controls the adsorption equipment with the negative pressure adsorption nozzle to carry out negative pressure adsorption treatment on the grease film floating in the specific area, and adjusts the negative pressure adsorption power corresponding to the implementation of the negative pressure adsorption treatment by the adsorption equipment and/or the relative position relation between the negative pressure adsorption nozzle and the grease film.
The beneficial effects of the above-mentioned embodiment are that in actual oil-water separation operation, utilize the adsorption equipment who has negative pressure adsorption nozzle to carry out negative pressure adsorption treatment to the fat membrane that specific region floated, in order to guarantee negative pressure adsorption's validity simultaneously, need with negative pressure adsorption nozzle and fat membrane direct contact, can make negative pressure adsorption nozzle continuous and stable carry out large tracts of land absorption to the fat membrane like this, and through adjusting the negative pressure adsorption power of this oil absorption treatment and/or the relative position relation of this negative pressure adsorption nozzle and this fat membrane, can furthest improve the adsorption efficiency to the fat nozzle.
In another embodiment, the visual shooting module is configured to shoot the specific area during the negative pressure adsorption process to obtain an image of the specific area, and includes:
in the process of carrying out the negative pressure adsorption treatment by the adsorption equipment, carrying out positioning identification on the adsorption equipment to obtain the position information of the adsorption equipment on the plane of the specific area; and based on the position information, binocular shooting is carried out on the implementation position point of the suction equipment for carrying out negative pressure suction treatment on the specific area and the area with the specific radius range nearby the implementation position point, so that corresponding binocular images of the specific area are obtained.
The beneficial effects of the embodiment are that when the rubber ring is utilized to enclose the range of the enclosing area, after all grease films in the range of the enclosing area are gathered, the grease films in the rubber ring are subjected to negative pressure adsorption one by utilizing the adsorption equipment, in order to ensure that the adsorption equipment can carry out rapid and comprehensive negative pressure adsorption on each grease film, the adsorption equipment is positioned firstly, and then the implementation position point of the negative pressure adsorption treatment of the adsorption equipment in the specific area (namely, the contact point of the negative pressure adsorption nozzle of the adsorption equipment and the waste water surface of the specific area) and the area nearby the specific radius range of the negative pressure adsorption nozzle are determined by taking the position of the adsorption equipment on the plane of the specific area as a reference, so that the visual monitoring is carried out on the area covered by the negative pressure adsorption nozzle in real time.
In another embodiment, the visual analysis module is configured to analyze the image of the specific area to obtain the oil presence status information and the water surface fluctuation status information of the specific area during the negative pressure adsorption process, including:
performing binocular parallax extraction processing on the binocular image in the specific area, and generating a corresponding three-dimensional image according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition processing on the three-dimensional image to obtain the area change information of the continuous grease film in the current binocular shooting area, the thickness change information of the grease film and the water surface fluctuation amplitude information of the current binocular shooting area.
The embodiment has the beneficial effects that binocular parallax calculation and extraction are carried out on the binocular image of the specific area, so that a corresponding three-dimensional image is generated, pixel contour recognition processing is carried out on the three-dimensional image, and the area change information of the continuous grease film in the current binocular shooting area, the thickness change information of the grease film and the water surface fluctuation amplitude information of the current binocular shooting area are obtained, so that reliable basis is provided for the follow-up adjustment of the negative pressure adsorption working parameters of the adsorption equipment on the grease film.
In another embodiment, the oil absorption processing control module is configured to adjust a working state of the adsorption device according to the oil presence state information and the water surface fluctuation state information, and includes:
according to the area change information of the continuous grease film, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film;
and/or adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film;
and/or adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the fluctuation amplitude information of the water surface fluctuation.
The beneficial effects of the embodiment are that in the negative pressure adsorption process of the grease film, the thickness and the area of the continuous grease film can be continuously reduced along with the continuous adsorption of the grease film by the adsorption equipment. When the area of the continuous grease film is larger, the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is larger for rapidly and thoroughly adsorbing the grease film, the area of the grease film is gradually reduced along with the continuous negative pressure adsorption of the grease film, and correspondingly the area reduction speed of the grease film is also gradually reduced, so that the negative pressure adsorption with larger negative pressure adsorption power is not needed. In addition, in carrying out negative pressure adsorption process to the fat membrane, need with negative pressure absorption mouth and fat membrane direct contact, the negative pressure absorption mouth soaks to this fat membrane inside promptly, if the negative pressure absorption mouth soaks to this fat membrane inside degree of depth be greater than the thickness of fat membrane, the negative pressure absorption mouth can only adsorb waste water and can not adsorb fat this moment, consequently according to the thickness variation information of this fat membrane, adjust the inside degree of depth that this negative pressure absorption mouth soaks to this fat membrane, can guarantee that the negative pressure absorption mouth is contact and is not contacted with waste water with the fat membrane all the time, avoid the mistake absorption to waste water. In addition, the larger the fluctuation amplitude of the water surface in the specific area is, the easier the original continuous grease film can be dispersed into a plurality of grease films with smaller areas, so that the negative pressure adsorption nozzle can adsorb all the grease films with smaller areas one by one only by continuously changing the working position, the moving workload of the negative pressure adsorption nozzle is increased, the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease films is adjusted according to the fluctuation amplitude information of the water surface, and the negative pressure adsorption power of the negative pressure adsorption nozzle can be ensured to be matched with the fluctuation amplitude of the water surface.
In another embodiment, the oil absorption processing control module is configured to adjust a working state of the adsorption device according to the oil presence state information and the water surface fluctuation state information, and includes:
step S1, adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film by using the following formula (1),
in the above formula (1), H (t) represents a depth value of the negative pressure suction nozzle immersed in the grease film at time t; d (t) represents the thickness value of the grease film at the time t; d (T-T) represents the thickness value of the grease film at T-T; t represents a unit time; d (t) 0 ) Representing t 0 The thickness value of the grease film at the moment; t is t 0 Indicating the starting time of the negative pressure adsorption nozzle;
step S2, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the fluctuation amplitude information of the water surface fluctuation and the area change information of the continuous grease film by using the following formula (2),
in the above formula (2), P (t) represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at time t; p (P) e Indicating the rated power of the negative pressure adsorption nozzle for adsorbing the grease film; s (t) represents the area of the continuous grease film at time t; s (T-T) represents the area of the continuous fat film at time T-T; s (t) 0 ) Representing t 0 The area of the continuous grease film at the moment; r (t) represents the fluctuation amplitude value of the water surface fluctuation at the moment t; f [ R (t)]Representing the retention of units for R (t) removal;
step S3, after the negative pressure adsorption is completed, determining the shortest cleaning time of the negative pressure adsorption nozzle according to the maximum depth of the negative pressure adsorption nozzle immersed into the grease film and the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film in the whole negative pressure adsorption process by using the following formula (3),
in the above formula (3), T q Representing the shortest cleaning time of the negative pressure adsorption nozzle; t (T) 0 Representing the fixed cleaning time of the negative pressure adsorption nozzle; t (T) max Representing the preset longest cleaning time of the negative pressure adsorption nozzle; h (t) 0 ) Representing t 0 The depth value of the negative pressure adsorption nozzle immersed into the grease film at the moment; p (t ') represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at the time t'; t, t n Indicating the final time after the adsorption is completed;indicating that t is absorbed 0 To t n And the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is reached in time.
The beneficial effects of the embodiment are that by utilizing the formula (1), the depth of the negative pressure adsorption nozzle immersed into the grease film is adjusted according to the thickness change information of the grease film, so that the grease film can be reliably adsorbed and not adsorbed to the water; then, by utilizing the formula (2), according to the water surface fluctuation amplitude information and the area change information of the continuous grease film, the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film is adjusted, so that the water surface fluctuation can be reduced by adjusting the power, and the area of the continuous grease film can be ensured to be gradually reduced; and finally, determining the shortest cleaning time of the negative pressure adsorption nozzle according to the maximum depth of the negative pressure adsorption nozzle immersed into the grease film in the whole negative pressure adsorption process and the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film by utilizing the formula (3), so as to ensure that the negative pressure adsorption nozzle is cleaned, and embodying the reliability of the system.
In another embodiment, the oil absorption control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the area change information of the continuous grease film, and the oil absorption control module comprises:
reducing the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the area reduction speed of the continuous grease film;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film, and comprises:
according to the thickness reduction speed of the grease film, the depth of the negative pressure adsorption nozzle immersed into the grease film is reduced;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the fluctuation amplitude information of the water surface fluctuation, and comprises the following components:
comparing the average water surface fluctuation amplitude contained in the water surface fluctuation amplitude information with a preset amplitude threshold, and if the average water surface fluctuation amplitude is greater than or equal to the preset amplitude threshold, reducing the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film; if the average amplitude of the fluctuation of the water surface is smaller than a preset amplitude threshold, the current negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is kept unchanged.
The beneficial effects of the embodiment are that, based on the area reduction speed of the continuous grease film, when the area reduction speed is larger, the negative pressure adsorption power reduction speed of the negative pressure adsorption nozzle is larger, so that the power for carrying out negative pressure adsorption on the continuous grease film is also continuously reduced along with the continuous reduction of the area of the continuous grease film, and the phenomenon that waste water is adsorbed by mistake due to the overlarge negative pressure adsorption power is avoided. Based on the thickness reduction speed of the grease film, when the thickness reduction speed is continuously increased, the depth of the negative pressure adsorption nozzle immersed into the grease film is also continuously decreased, and the phenomenon that the negative pressure adsorption nozzle is immersed into the grease film to be greater than the thickness of the grease film is avoided, so that waste water is adsorbed by mistake is avoided. And the average fluctuation amplitude of the water surface fluctuation contained in the fluctuation amplitude information of the water surface fluctuation is compared with a preset amplitude threshold value, so that the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is adaptively changed, the negative pressure adsorption power of the negative pressure adsorption nozzle can be ensured to be matched with the fluctuation amplitude of the water surface fluctuation, and the phenomenon that the waste water is adsorbed by mistake due to overlarge negative pressure adsorption power of the negative pressure adsorption nozzle is avoided.
In general, the oil-water separation intelligent monitoring system shoots and analyzes the images of the surface of the wastewater to obtain the oil distribution state information of the floating oil on the surface of the wastewater, so that the oil floating on the surface of the wastewater is positioned, the oil floating on the surface of the wastewater is conveniently collected in a specific area on the surface of the wastewater based on the oil distribution state information, the relative fixation of the oil position is realized, the oil can be adsorbed under negative pressure in a smaller area range, the oil can be prevented from drifting in position and separating from the original negative pressure adsorption range in the negative pressure adsorption process, and the negative pressure adsorption efficiency of the oil is effectively improved; and shooting and analyzing images of the specific area in the process of negative pressure adsorption to obtain oil existence state information and water surface fluctuation state information of the specific area, so as to adjust the working state of the adsorption equipment, ensure that the operation condition of oil-water separation can be matched and adjusted according to the real-time existence condition of oil in wastewater in the process of oil adsorption, and increase the efficiency and reliability of oil-water separation.
The foregoing is merely one specific embodiment of the application, and any modifications made in light of the above teachings are intended to fall within the scope of the application.
Claims (9)
1. An oil-water separation intelligent monitoring system, which is characterized by comprising:
the visual shooting module is used for shooting the wastewater to obtain a wastewater surface image;
the visual analysis module is used for analyzing the wastewater surface image to obtain the oil distribution state information of the floating wastewater surface;
the grease aggregation treatment module is used for aggregating the grease floating on the surface of the wastewater in a specific area on the surface of the wastewater according to the grease distribution state information;
the oil absorption treatment control module is used for controlling the adsorption equipment to carry out negative pressure adsorption treatment on the grease floating in the specific area;
the visual shooting module is also used for shooting the specific area in the negative pressure adsorption treatment process to obtain a specific area image;
the visual analysis module is also used for analyzing the image of the specific area to obtain the oil existence state information and the water surface fluctuation state information of the specific area in the negative pressure adsorption treatment process;
the oil absorption processing control module is also used for adjusting the working state of the adsorption equipment according to the oil existence state information and the water surface fluctuation state information.
2. The intelligent monitoring system for oil-water separation as claimed in claim 1, wherein:
the vision shooting module is used for shooting wastewater to obtain a wastewater surface image, and comprises:
binocular shooting is carried out on the surface of the wastewater to obtain binocular images of the surface of the wastewater;
the visual analysis module is used for analyzing the wastewater surface image to obtain the oil distribution state information of the floating wastewater surface, and comprises the following steps:
performing binocular parallax extraction treatment on the binocular images on the surface of the wastewater, and generating three-dimensional images corresponding to the surface of the wastewater according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition treatment on the three-dimensional image to obtain the respective position information and the grease film areas of all the grease films floating on the surface of the wastewater.
3. The intelligent monitoring system for oil-water separation as claimed in claim 2, wherein:
the grease gathering treatment module is used for gathering grease floating on the surface of the wastewater in a specific area on the surface of the wastewater according to the grease distribution state information, and comprises the following steps:
obtaining the distance information of all grease films according to the position information of all grease films floating on the surface of the wastewater; selecting a part of grease films from all the grease films according to the distance information to be used as an object for grease aggregation treatment;
determining the range of the surrounding area of the selected part of the grease film according to the grease film area corresponding to the selected part of the grease film; and then according to the range of the surrounding area, gathering the selected part of grease film on a specific area of the surface of the wastewater.
4. The intelligent monitoring system for oil-water separation as claimed in claim 1, wherein:
the oil absorption treatment control module is used for controlling the adsorption equipment to carry out negative pressure adsorption treatment on the grease floating in the specific area, and comprises the following steps:
the oil absorption treatment control module controls adsorption equipment with a negative pressure adsorption nozzle to carry out negative pressure adsorption treatment on the grease film floating in the specific area, and adjusts the negative pressure adsorption power corresponding to the implementation of the negative pressure adsorption treatment by the adsorption equipment and/or the relative position relation between the negative pressure adsorption nozzle and the grease film.
5. The intelligent monitoring system for oil-water separation as set forth in claim 4, wherein:
the visual shooting module is used for shooting the specific area in the negative pressure adsorption treatment process to obtain a specific area image, and comprises the following steps:
in the process of carrying out the negative pressure adsorption treatment by the adsorption equipment, carrying out positioning identification on the adsorption equipment to obtain the position information of the adsorption equipment on the plane of the specific area; and based on the position information, binocular shooting is carried out on the implementation position point of the negative pressure adsorption treatment of the adsorption equipment in the specific area and the area with the specific radius range nearby the implementation position point, so that corresponding binocular images of the specific area are obtained.
6. The intelligent monitoring system for oil-water separation as set forth in claim 5, wherein:
the visual analysis module is used for analyzing the image of the specific area to obtain the oil existence state information and the water surface fluctuation state information of the specific area in the negative pressure adsorption treatment process, and the visual analysis module comprises the following steps:
performing binocular parallax extraction processing on the binocular image in the specific area, and generating a corresponding three-dimensional image according to the binocular parallax obtained by extraction;
and carrying out pixel contour recognition processing on the three-dimensional image to obtain the area change information of the continuous grease film in the current binocular shooting area, the thickness change information of the grease film and the water surface fluctuation amplitude information of the current binocular shooting area.
7. The intelligent monitoring system for oil-water separation as set forth in claim 6, wherein:
the oil absorption processing control module is used for adjusting the working state of the adsorption equipment according to the oil existence state information and the water surface fluctuation state information, and comprises the following steps:
according to the area change information of the continuous grease film, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film;
and/or adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film;
and/or adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the water surface fluctuation amplitude information.
8. The intelligent monitoring system for oil-water separation as set forth in claim 7, wherein:
the oil absorption processing control module is used for adjusting the working state of the adsorption equipment according to the oil existence state information and the water surface fluctuation state information, and comprises the following steps:
step S1, adjusting the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film by using the following formula (1),
in the above formula (1), H (t) represents a depth value of the negative pressure adsorption nozzle immersed in the grease film at time t; d (t) represents a thickness value of the grease film at time t; d (T-T) represents the thickness value of the grease film at the time T-T; t represents a unit time; d (t) 0 ) Representing t 0 The thickness value of the grease film at the moment; t is t 0 Indicating the starting time of the negative pressure adsorption nozzle;
step S2, adjusting the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the fluctuation amplitude information of the water surface fluctuation and the area change information of the continuous grease film by using the following formula (2),
in the above formula (2), P (t) represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at time t; p (P) e Indicating the rated power of the negative pressure adsorption nozzle for adsorbing the grease film; s (t) represents the area of the continuous grease film at the time t; s (T-T) represents the area of the continuous grease film at the time T-T; s (t) 0 ) Representing t 0 The area of the continuous grease film at the moment; r (t) represents the fluctuation amplitude value of the water surface fluctuation at the moment t; f [ R (t)]Representing the retention of units for R (t) removal;
step S3, after the negative pressure adsorption is completed, determining the shortest cleaning time of the negative pressure adsorption nozzle according to the maximum depth of the negative pressure adsorption nozzle immersed into the grease film and the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film in the whole negative pressure adsorption process by using the following formula (3),
in the above formula (3), T q Representing the shortest cleaning time of the negative pressure adsorption nozzle; t (T) 0 Representing the fixed cleaning time of the negative pressure adsorption nozzle; t (T) max Representing the preset longest cleaning time of the negative pressure adsorption nozzle; h (t) 0 ) Representing t 0 The depth value of the negative pressure adsorption nozzle immersed into the grease film at the moment; p (t ') represents the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film at the time t'; t, t n Indicating the final time after the adsorption is completed;indicating that t is absorbed 0 To t n And the maximum negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is reached in time.
9. The intelligent monitoring system for oil-water separation as set forth in claim 7, wherein:
the oil absorption treatment control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the area change information of the continuous grease film, and the oil absorption treatment control module comprises the following components:
reducing the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film according to the area reduction speed of the continuous grease film;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the depth of the negative pressure adsorption nozzle immersed into the grease film according to the thickness change information of the grease film, and comprises the following steps:
according to the thickness reduction speed of the grease film, the depth of the negative pressure adsorption nozzle immersed into the grease film is reduced;
and/or the number of the groups of groups,
the oil absorption treatment control module adjusts the negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film according to the water surface fluctuation amplitude information, and the oil absorption treatment control module comprises:
comparing the average water surface fluctuation amplitude contained in the water surface fluctuation amplitude information with a preset amplitude threshold, and if the average water surface fluctuation amplitude is greater than or equal to the preset amplitude threshold, reducing the negative pressure adsorption power of the negative pressure adsorption nozzle on the grease film; if the average amplitude of the fluctuation of the water surface is smaller than a preset amplitude threshold, the current negative pressure adsorption power of the negative pressure adsorption nozzle to the grease film is kept unchanged.
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| CN117680410A (en) * | 2024-02-02 | 2024-03-12 | 山东汇锋新材料有限公司 | Be applied to portable intelligent cleaner of coating machine roller |
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| CN117680410A (en) * | 2024-02-02 | 2024-03-12 | 山东汇锋新材料有限公司 | Be applied to portable intelligent cleaner of coating machine roller |
| CN117680410B (en) * | 2024-02-02 | 2024-04-16 | 山东汇锋新材料有限公司 | Be applied to portable intelligent cleaner of coating machine roller |
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