CN219512089U - Coal slime water turbidity detection device and detection system - Google Patents
Coal slime water turbidity detection device and detection system Download PDFInfo
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- CN219512089U CN219512089U CN202320410520.4U CN202320410520U CN219512089U CN 219512089 U CN219512089 U CN 219512089U CN 202320410520 U CN202320410520 U CN 202320410520U CN 219512089 U CN219512089 U CN 219512089U
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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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The utility model discloses a slime water turbidity detection device and a detection system, and belongs to the field of slime water detection. The detection device includes: the detection box body, the first side of the detection box body is communicated with a coal slime pond to be detected through a feeding component; the second side of the detection box body is communicated with a coal slime pond to be detected through a discharging assembly; the detection box body is provided with an overflow port, water in the coal slime pond to be detected enters the detection box body through the feeding component and is kept at an overflow water level, and a background plate is arranged on the lower side of the detection box body; the image acquisition device is arranged on the upper side of the inside of the detection box body, the acquisition surface of the image acquisition device faces the background plate, and the image acquisition device is used for acquiring images of the slime water entering the detection box body; and the control device controls the image acquisition device to acquire images of the slime water in the box body and determines the turbidity value of the slime water according to the images of the slime water. The utility model realizes the turbidity detection of the slime water by utilizing a visual identification technology.
Description
Technical Field
The utility model relates to the field of slime water treatment, in particular to a slime water turbidity detection device and a slime water turbidity detection system.
Background
The slime water treatment is an important production process of the coal preparation plant, after the slime water enters a concentration tank, the slime and clear water are layered through a slime sedimentation process, and overflow water is formed after clear water overflows, so that the turbidity of the overflow water is controlled to a certain range, and the overflow water can be recycled by a production system of the coal preparation plant. To increase the sedimentation rate of the slime water and reduce the turbidity of the overflow water, it is necessary to add an appropriate amount of flocculant to the slime water entering the concentration tank. The turbidity of the overflow water is closely related to the addition amount of the flocculant, so that the turbidity of the overflow water needs to be monitored in the production of a coal preparation plant. The control of the turbidity of the overflow water can ensure the normal operation of the production system of the coal preparation plant.
At present, a plurality of coal preparation plants are not provided with overflow water turbidity detection equipment, and turbidity is estimated and flocculant adding amount is adjusted by manually visually inspecting the color of overflow water. The accuracy of the manual visual inspection method is influenced by various factors such as human experience, environment and the like, and the stability and the accuracy are difficult to ensure.
Disclosure of Invention
The utility model aims to solve the technical problem that the existing detection accuracy of the turbidity of the overflow water of the slime water is poor, and therefore, the utility model provides an overflow water turbidity detection device and a detection system by utilizing a visual identification technology.
Aiming at the technical problems, the utility model provides the following technical scheme:
a slime water turbidity detection device, comprising: the detection box body, the first side of the detection box body is communicated with a coal slime pond to be detected through a feeding component; the second side of the detection box body is communicated with a coal slime pond to be detected through a discharging assembly; the detection box body is provided with an overflow port, water in the coal slime pond to be detected enters the detection box body through the feeding component and is kept at an overflow water level, and a background plate is arranged on the lower side of the detection box body; the image acquisition device is arranged on the upper side of the inside of the detection box body, the acquisition surface of the image acquisition device faces the background plate, and the image acquisition device is used for acquiring images of the slime water entering the detection box body; and the control device controls the image acquisition device to acquire images of the slime water in the box body and determines the turbidity value of the slime water according to the images of the slime water.
In some embodiments of the present utility model, the detection box includes an upper box and a lower box that are mutually communicated and detachably connected, the image acquisition device is installed in the upper box, and the background plate is installed in the lower box.
In some embodiments of the present utility model, the background plate is a white ceramic plate, and the background plate is mounted on the lower case through a bracket.
In some embodiments of the present utility model, a feeding box is mounted on the first side wall of the lower box, and the feeding box is communicated with the lower box through a feeding strip opening, and the feeding strip opening extends along the horizontal direction; and an overflow box is arranged on the second side wall of the lower box body, and the overflow box is communicated with the lower box body through an overflow port.
In some embodiments of the utility model, the overflow port is located a set distance above the upper surface of the background plate.
In some embodiments of the present utility model, the feeding assembly includes a feeding pipe and a suction pump mounted on the feeding pipe, and the discharging assembly includes a discharging pipe and a discharging valve mounted on the discharging pipe.
In some embodiments of the present utility model, a washer is further disposed in the detection case, and one end of the washer is communicated with the cleaning water supply device, and the other end of the washer faces the upper surface of the background plate.
In some embodiments of the present utility model, a light source assembly is further installed in the upper case, where the light source assembly includes a light source and a light source bracket installed on a sidewall of the upper case, and the light source bracket is provided with a ball hinge for adjusting a direction of the light source.
In some embodiments of the present utility model, a door for opening or closing the detection box is provided on a top wall of the upper box, and locking between the door and the upper box is achieved through a door bolt.
The utility model also provides a slime water turbidity detection system, which comprises a slime water tank to be detected and the slime water turbidity detection device, wherein the slime water turbidity detection device is communicated with an overflow water layer on the upper layer of the slime water tank to be detected through a feeding component.
Compared with the prior art, the technical scheme of the utility model has the following technical effects:
according to the slime water turbidity detection device and system, the slime water collected from the slime water pool is photographed by the image acquisition device in the detection box body to finally obtain the turbidity of the slime water, the gray scale of the color of the overflow water is identified by machine vision, and the gray scale value of the overflow water and the turbidity value mapping of the overflow water are established, so that the automatic detection of the turbidity of the slime water is realized, and the method is more accurate compared with a manual visual detection method.
Drawings
The objects and advantages of the present utility model will be better understood by describing in detail preferred embodiments thereof with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an embodiment of a slime water turbidity detecting device of the present utility model;
FIG. 2 is a schematic view of the lower case and the internal structure of the slime water turbidity detecting device of the present utility model;
FIG. 3 is a schematic diagram of the upper case and the internal structure of the slime water turbidity detecting device according to the present utility model;
FIG. 4 is a schematic diagram of an embodiment of a slime water turbidity detection system according to the present utility model;
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Fig. 1 shows a specific embodiment of a slime water turbidity detecting device (hereinafter referred to as turbidity detecting device) provided by the utility model, which is used for detecting the turbidity of slime water by adopting a visual identification technology.
The turbidity detection device comprises a detection box body 10 for containing the slime water to be detected, an image acquisition device 304 arranged on the upper side inside the detection box body 10, and a control device. The first side of the detection box body 10 is communicated with a overflow water layer 21 on the upper layer of the coal slime pond 20 to be detected through a feeding assembly 100; the second side of the detection box body 10 is communicated with the coal slime pond 20 to be detected through a discharging assembly 400; the detection box body 10 is provided with an overflow port, and water in the coal slime pond 20 to be detected enters the detection box body 10 through the feeding component 100 and is kept at an overflow water level; the image acquisition device 304 is installed inside the closed box body, the influence of ambient light is reduced, the acquisition surface faces the bottom surface inside the detection box body 10, the image of the slime water in the overflow water level in the detection box body 10 is acquired under the control of the control device, the control device determines the turbidity of the slime water according to the image of the slime water, wherein the control device converts the image acquired by the image acquisition device 304 into the gray value of a picture by adopting the conventional commonly used picture conversion module, and the turbidity value of the slime water is calculated by using a fuzzy mapping table (namely a relation table between the pre-stored gray value of the picture and the turbidity value), so that the automatic detection of the turbidity value of the slime water is realized.
Specifically, the feeding assembly 100 includes a feeding pipe 101 and a suction pump 102 mounted on the feeding pipe 101, and the discharging assembly 400 includes a discharging pipe 401 and an evacuation valve 402 mounted on the discharging pipe 401. The control device realizes the supply of the slime water to be detected to the detection box 10 or the discharge of the slime water in the detection box 10 by controlling the start and stop of the suction pump 102 and the switch of the evacuation valve 402.
Specifically, in an alternative embodiment, the inside of the detection box 10 is painted black, so that reflection and glare are reduced. The detecting box 10 includes an upper box 300 and a lower box 200, which are disposed opposite to each other with openings up and down, and the upper box 300 and the lower box 200 are detachably connected through a fastening assembly. The image capturing device 304 is installed in the upper case 300, and the lower case 200 is configured to hold slime water therein, where the lower case 200 is provided with a background plate 202 disposed opposite to a capturing surface of the image capturing device 304, as a background of the image capturing device 304 capturing the slime water. More specifically, the background plate 202 is a white ceramic plate to avoid affecting gray values of the slime water image, and the background plate 202 is mounted on the lower case 200 through a plurality of brackets 203.
Specifically, as shown in fig. 2, the lower case 200 is a case body with an upper opening and surrounded by a bottom wall and four side walls, the outer side surface of the first side wall of the lower case 200 is provided with a feeding box 201, the feeding box 201 is communicated with the feeding pipeline 101, the feeding box 201 is communicated with the lower case 200 through a feeding strip opening 207, and the feeding strip opening 207 extends along the horizontal direction; the slime water pumped by the suction pump 102 firstly enters the feeding box 201, and enters the detection box 10 along the feeding strip opening 207 after being buffered by the feeding box 201, so as to achieve smooth flow of the slime water in the detection box 10, and more specifically, the feeding strip opening 207 is positioned at the positions of the feeding box 201 and the detection box 10, which are close to the bottom wall.
An overflow tank 204 is mounted on the second side wall of the lower tank 200, and the overflow tank 204 is communicated with the lower tank 200 through an overflow port. The second side wall is arranged opposite to the first side wall. The overflow port is about 20mm above the upper surface of the background plate 202, so that the height of the overflow water surface in the detection box 10 is higher than the background plate 202 by a fixed height, and a stable photographing condition is formed for the vision camera. The bottom of the overflow box 204 is communicated with a discharge pipeline 401, and overflowed slime water flows back into the slime water pool through the discharge pipeline 401. Wherein, the bottom wall of the lower case 200 is further provided with an evacuation port 205, and the evacuation port 205 is communicated with the evacuation pipeline 401. After the detection is finished, the slime water in the detection box body 10 enters the discharge pipeline 401 through the emptying port 205 and flows back into the slime water pool through the discharge pipeline 401.
A washer 206 is further disposed in the detection box 10, one end of the washer 206 is communicated with the cleaning water supply device, and the other end faces the upper surface of the background plate 202. After one detection cycle is completed, the flusher 206 is opened to flush the background plate 202, remove the coal slime particles deposited on the surface of the background plate 202, restore the surface cleaning of the background plate 202, and eliminate the influence on the next measurement cycle.
Specifically, as shown in fig. 3, the upper case 300 is a case with a lower opening surrounded by a top wall and four side walls; the image acquisition device 304 is a camera or a camera, and is fixedly connected to the middle upper portion of the upper box 300 through the image acquisition bracket 303, and the image acquisition device 304 can take a picture under the control of the control device. The bracket 303 can be adjusted in 3 rotation degrees of freedom, so that the parallelism of the lens surface and the view finding surface of the image acquisition device 304 can be conveniently adjusted, and the optimal shooting angle can be achieved.
The intensity of illumination greatly affects the visual gray level detection. When the light intensity of an object irradiated to the surface of the object changes, the gray value of the object with the same gray scale changes greatly. For this reason, in an alternative embodiment, a light source assembly is further installed in the upper case 300, the light source assembly includes a light source 306 and a light source support 305 installed on one of the side walls of the upper case 300, the light source 306 is an industrial LED light source, so as to ensure stable light intensity output, the light source support 305 is provided with a ball-end hinge for adjusting the direction of the light source 306, and the adjustment of the ball-end hinge can prevent the light source 306 from generating glare, so as to provide a suitable and stable illumination environment for the viewing surface.
Specifically, in an alternative embodiment, the top wall of the upper case 300 is provided with a door 301 for opening or closing the detection case 10, when the components in the detection case 10 need to be adjusted and repaired, the adjustment and repair can be achieved by opening the door 301, one side of the door 301 is hinged to the top wall of the upper case 300, and the other side of the door 301 is locked with the upper case 300 by a door bolt 302. The side wall of the upper case 300 is provided with an observation window 307, which is convenient for a user to observe the working state of the internal components of the detection device.
Fig. 4 is a schematic diagram of an embodiment of a slime water turbidity detection system according to the present utility model, where the detection system includes a slime water tank 20 to be detected and the slime water turbidity detection device. The slime water turbidity detection device is communicated with an overflow water layer 21 on the upper layer of the slime water pool 20 to be detected under the suction action of a suction pump 102 of the feeding assembly, the slime water turbidity value detection is carried out inside a lower box body 200 and an upper box body 300, excessive slime water entering the detection box body 10 is discharged from a discharge pipeline 401 through an overflow port, and after the detection is finished, the slime water in the detection box body 10 enters a discharge pipeline 401 through an emptying port 205 and returns to the slime water pool 20 through the discharge pipeline 401.
The detection process for detecting by using the slime water turbidity detection device comprises the following steps:
1) The suction pump 102 is started, and the suction pump 102 pumps the overflow water of the slime pond 20 into the detection box 10. When the pumping time reaches 120 seconds, the level of the overflow water in the detection tank 10 reaches the detection height, and the level of the overflow water is 20mm higher than the upper surface of the background plate 202, and the suction pump 102 is stopped.
2) After the suction pump 102 is stopped, the overflow water in the detection tank 10 is allowed to stand for 10 seconds, disturbance of the liquid flow is eliminated, and the light source 306 is turned on.
3) The image acquisition device 304 is controlled to start, the overflow water is photographed independently 3 times, the light source 306 is turned off, and the evacuation valve 402 is opened for about 15 seconds to evacuate the overflow water.
4) The washer 206 is turned on, the background plate 202 is washed for 5 seconds, after the washing time is completed, the washer 206 and the drain valve 402 are closed, and the detection process is ended and the next detection command is waited.
The time parameter and the photographing frequency parameter in the detection program can be adjusted on the display screen of the control device according to different applications, so that the detection device has strong adaptability. The control device performs gray value conversion according to the collected image of the image collecting device 304, and calculates the gray value according to a gray-turbidity fuzzy table, wherein the gray-turbidity fuzzy table can be stored in the control device in a calibrated mode in advance, the fuzzy table can be calibrated in an open mode, so that the device is more flexible to use, and a user can calibrate the working or critical turbidity value interval densely according to the application requirement, and the non-working area is calibrated roughly. When the production working condition changes and the gray-turbidity mapping relation changes, the calibration can be carried out again at any time to correct the mapping relation.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While obvious variations or modifications are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A slime water turbidity detection device, characterized by comprising:
the detection box body, the first side of the detection box body is communicated with a coal slime pond to be detected through a feeding component; the second side of the detection box body is communicated with a coal slime pond to be detected through a discharging assembly; the detection box body is provided with an overflow port, water in the coal slime pond to be detected enters the detection box body through the feeding component and is kept at an overflow water level, and a background plate is arranged on the lower side of the detection box body;
the image acquisition device is arranged on the upper side of the inside of the detection box body, the acquisition surface of the image acquisition device faces the background plate, and the image acquisition device is used for acquiring images of the slime water entering the detection box body;
and the control device controls the image acquisition device to acquire images of the slime water in the box body and determines the turbidity value of the slime water according to the images of the slime water.
2. The apparatus according to claim 1, wherein the detection box comprises an upper box and a lower box which are connected to each other and detachably, the image acquisition device is installed in the upper box, and the background plate is installed in the lower box.
3. The apparatus according to claim 2, wherein the background plate is a white ceramic plate, and the background plate is mounted on the lower case through a bracket.
4. The slime water turbidity detection device according to claim 2, wherein a feeding box is mounted on the first side wall of the lower box body, the feeding box is communicated with the lower box body through a feeding strip opening, and the feeding strip opening extends along the horizontal direction; and an overflow box is arranged on the second side wall of the lower box body, and the overflow box is communicated with the lower box body through an overflow port.
5. The apparatus of claim 4, wherein the overflow port is located a predetermined distance above the upper surface of the background plate.
6. The apparatus of claim 1, wherein the feed assembly comprises a feed pipe and a suction pump mounted on the feed pipe, and the discharge assembly comprises a discharge pipe and an evacuation valve mounted on the discharge pipe.
7. The device for detecting the turbidity of the slime water according to claim 2, wherein a flusher is further arranged in the detection box body, one end of the flusher is communicated with the clean water supply device, and the other end of the flusher faces the upper surface of the background plate.
8. The device for detecting the turbidity of the slime water according to claim 2, wherein a light source assembly is further installed in the upper box body, the light source assembly comprises a light source and a light source bracket installed on the side wall of the upper box body, and the light source bracket is provided with a ball head hinge for adjusting the direction of the light source.
9. The device for detecting the turbidity of the slime water according to claim 2, wherein a door for opening or closing the detecting box body is arranged on the top wall of the upper box body, and the door is locked with the upper box body through a door bolt.
10. The system for detecting the turbidity of the slime water is characterized by comprising a slime water tank to be detected and the slime water turbidity detecting device according to any one of claims 1-9, wherein the slime water turbidity detecting device is communicated with an overflow water layer on the upper layer of the slime water tank to be detected through a feeding component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320410520.4U CN219512089U (en) | 2023-02-28 | 2023-02-28 | Coal slime water turbidity detection device and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320410520.4U CN219512089U (en) | 2023-02-28 | 2023-02-28 | Coal slime water turbidity detection device and detection system |
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| Publication Number | Publication Date |
|---|---|
| CN219512089U true CN219512089U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320410520.4U Active CN219512089U (en) | 2023-02-28 | 2023-02-28 | Coal slime water turbidity detection device and detection system |
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| CN (1) | CN219512089U (en) |
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- 2023-02-28 CN CN202320410520.4U patent/CN219512089U/en active Active
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