A high-fluorine contaminated water detection device and method

Abstract

The application discloses a kind of high fluorine pollution water detection equipment and method, it is related to sewage detection technical field, comprising: carrier;Hoist, it is set on the carrier, and have a free end;First liquid storage tank, it is connected to the free end, and has liquid collection port, valve is installed on the liquid collection port;Positioning assembly, it is connected below the first liquid storage tank, for detecting and positioning mud-water interface;Interface liquid acquisition component, it is set on the side of the first liquid storage tank, for after the positioning assembly is positioned to mud-water interface, can effectively capture the sewage at interface, avoids the leakage phenomenon caused by traditional suspension sampling.

Description

Technical Field

[0001] This invention relates to the field of wastewater testing technology, specifically to a device and method for detecting high-fluoride polluted water. Background Technology

[0002] With rapid industrialization and urbanization, fluoride pollution in water bodies has become increasingly serious. Fluorides, as a class of pollutants with cumulative and biotoxic properties, exhibit complex migration and transformation patterns in water bodies. Environmental monitoring studies show that fluoride in water not only exists in dissolved form in the upper water layers but also tends to accumulate in the bottom sediment and near the interface between the sediment and overlying water (i.e., the mud-water interface) through physicochemical processes such as adsorption and sedimentation. This interfacial liquid layer often represents the final destination and potential source of pollutants.

[0003] Currently, in the field of water environment monitoring, conventional water sampling equipment mostly uses simple grab samplers or instantaneous samplers. These devices can usually only collect suspended water samples at a specific depth, making it difficult to accurately obtain the liquid at the mud-water interface, a special layer. Due to the lack of a precise interface positioning mechanism, operators often rely solely on experience to lower the sampler, resulting in sampling depths that are either too shallow (not reaching the interface zone) or too deep (directly inserting into the bottom sediment), failing to capture the water sample at the interface layer with the highest fluoride concentration.

[0004] Secondly, the sampling process can easily cause secondary pollution to the target water body. When traditional sampling equipment comes into contact with bottom sediment, it often stirs up the sediment due to mechanical impact or suction, causing the sediment at the mud-water interface to be stirred up, making the surrounding local water instantly turbid. This disturbance effect means that the collected sample is often a mud-water mixture, rather than in-situ interface water, which greatly interferes with subsequent chemical analysis.

[0005] Therefore, it is necessary to provide a device and method for detecting high-fluoride contaminated water to solve the above problems. Summary of the Invention

[0006] To address the aforementioned problems, the present invention provides the following technical solution: a high-fluoride contaminated water detection device, comprising: a carrier; a winch disposed on the carrier and having a free end; a first storage tank connected to the free end and having a collection port, wherein a valve is installed on the collection port; a positioning component connected below the first storage tank for detecting and positioning the mud-water interface; and an interface liquid collection component disposed on one side of the first storage tank for collecting the interface liquid after the positioning component positions the mud-water interface.

[0007] Preferably, the positioning component includes: a mounting cylinder fixed below the first liquid storage tank, the bottom of the mounting cylinder having an opening; a motor cylinder vertically and slidably connected to the mounting cylinder via a limiting block, the motor cylinder containing a geared motor; a turbulence vane coaxially fixed to the output end of the geared motor; and a telescopic rod disposed in the mounting cylinder for adjusting the length of the motor cylinder extending beyond the opening at the bottom of the mounting cylinder.

[0008] Preferably, the geared motor and the turbulence vane are configured such that when the turbulence vane contacts the mud surface, it drives the mud surface to rise and make the water turbid; when the turbulence vane does not contact the mud surface, the turbulence vane spins in the water.

[0009] Preferably, a first visual sensor is installed on the side of the mounting cylinder, which is used to monitor the moment when the water around the turbidity leaf becomes turbid.

[0010] Preferably, the side of the motor cylinder is provided with teeth that mesh with a gear. The gear is rotatably disposed in the mounting cylinder and meshes with a positioning rod to drive the positioning rod to extend and penetrate the soil.

[0011] Preferably, the interface liquid collection component includes: a guide cylinder, which is vertically connected to one side of the first liquid storage tank; and a movable collection component, which is slidably disposed along the guide cylinder for moving to an area away from the positioning component to collect the interface liquid.

[0012] Preferably, the guide cylinder has a first through hole and a second through hole that are far apart from each other. A first reel and a second reel are rotatably arranged inside the guide cylinder. A first pull rope is wound on the first reel, and the first pull rope passes through the first through hole and is connected to the mobile acquisition component. A second pull rope is wound on the second reel, and the second pull rope passes through the second through hole and is connected to the mobile acquisition component.

[0013] Preferably, the mobile acquisition component includes: a sliding arm slidably disposed on the guide cylinder; an installation chamber mounted on the sliding arm; an adjusting wheel rotatably disposed in the installation chamber; a motor connected to the adjusting wheel and used to drive the adjusting wheel to rotate; a rack slidably passing through the installation chamber and meshing with the adjusting wheel; and a suction cylinder connected below the rack.

[0014] Preferably, the suction port of the suction cylinder is oriented horizontally so that the interface liquid can be drawn when the suction cylinder is adjusted to the mud-water interface position with the rack.

[0015] A method for detecting high-fluoride contaminated water includes the following steps:

[0016] S1. Control the winch to lower the first liquid storage tank, driving the positioning component connected below it and the interface liquid collection component set on one side of it to descend synchronously;

[0017] S2. Start the reduction motor in the positioning component to drive the deflector to rotate;

[0018] S3. Monitor the water condition and determine the location of the mud-water interface by utilizing the characteristic that the water becomes turbid after the turbulence-causing blades come into contact with the mud surface;

[0019] S4. Control the interface liquid collection component to collect interface liquid at the mud-water interface.

[0020] Compared with the prior art, the present invention provides a device and method for detecting high-fluoride contaminated water, which has the following beneficial effects:

[0021] This invention utilizes the physical feedback of turbidity signals generated by the bottom stirring of the turbidity blades. Combined with a first visual sensor, it can pinpoint the specific location of the mud-water interface. The interface liquid collection component performs targeted extraction based on this location information, effectively capturing the wastewater at the interface and avoiding the missed sampling phenomenon caused by traditional suspended sampling.

[0022] This invention separates the positioning component and the interface liquid collection component into different locations, and drives the mobile collection component to move to an undisturbed area away from the positioning component through a guide tube, thus avoiding the turbid water flow generated during positioning. Furthermore, the suction tube adopts a horizontal suction port design, which uses the principle of horizontal laminar flow to extract the interface liquid, physically preventing the intake of bottom sediment caused by vertical suction, and ensuring that the collected interface liquid is as pure as possible in situ. Attached Figure Description

[0023] Figure 1 A schematic diagram of the overall structure of a high-fluoride-contaminated water detection device;

[0024] Figure 2 This is a cross-sectional view of the positioning component.

[0025] Figure 3 A three-dimensional structural diagram of the interface liquid collection component;

[0026] Figure 4 This is a partial cross-sectional view of the interface liquid collection component.

[0027] Figure 5 A three-dimensional structural diagram of the mobile acquisition component;

[0028] In the diagram: 1. Carrier; 2. Winch; 3. First storage tank; 31. Liquid collection port; 4. Positioning assembly; 5. Interface liquid collection assembly; 41. Mounting cylinder; 42. Motor cylinder; 43. Positioning rod; 44. Gear; 45. Turbine vane; 46. First vision sensor; 51. Guide cylinder; 52. First through hole; 53. Second through hole; 54. Moving collection assembly; 55. First reel; 56. Second reel; 541. Sliding cylinder arm; 542. Mounting chamber; 543. Motor; 544. Rack; 545. Suction cylinder. Detailed Implementation

[0029] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms are interchangeable where appropriate; this is merely a way of distinguishing objects with the same attributes in the embodiments of this application. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion, so that a process, method, system, product, or apparatus that comprises a series of elements is not necessarily limited to those elements, but may include other elements not explicitly listed or inherent to those processes, methods, products, or apparatuses.

[0030] In the embodiments of the present invention, please refer to Figures 1-5 A high-fluoride contaminated water detection device is provided, comprising: a carrier 1; a winch 2, which is mounted on the carrier 1 and has a free end; a first storage tank 3, which is connected to the free end and has a collection port 31, on which a valve is installed; a positioning component 4, which is connected below the first storage tank 3 and is used to detect and locate the mud-water interface; and an interface liquid collection component 5, which is located on one side of the first storage tank 3 and is used to collect the interface liquid after the positioning component 4 locates the mud-water interface.

[0031] Among them, the carrier 1 serves as the operating platform and supporting foundation of the entire equipment, and is responsible for transporting the equipment to the target detection water area. The winch 2 is set on the carrier 1, and through the release and retrieval of its free end, it realizes the vertical hoisting control of the first liquid storage tank 3 connected below it, thereby enabling the interface liquid collection component 5 to be transported to the preset water depth position.

[0032] During the lowering of the first storage tank 3, the positioning component 4 connected to it first contacts the water environment. The function of the positioning component 4 is to sense and determine the specific location of the mud-water interface. When the positioning component 4 detects the mud-water interface, the interface liquid collection component 5 connected to one side of the first storage tank 3 starts to operate. Since the positioning component 4 has locked the mud-water interface, the interface liquid collection component 5 can extract liquid at the interface based on the location information.

[0033] It should be explained that conventional sampling equipment in the existing technology can often only collect water samples suspended at a certain depth, making it difficult to accurately obtain the liquid at the special layer of the mud-water interface. However, this solution, through the cooperation of a specially designed positioning component 4 and an interface liquid collection component 5, can lock and collect in-situ water samples at the mud-water interface.

[0034] In this embodiment, the positioning component 4 includes: an installation cylinder 41, which is fixed below the first liquid storage tank 3, and the bottom of the installation cylinder 41 has an opening; a motor cylinder 42, which is vertically limited and slidably connected to the installation cylinder 41 through a limiting block, and a reduction motor is provided in the motor cylinder 42; a turbulence vane 45, which is coaxially fixed to the output end of the reduction motor; and a telescopic rod, which is provided in the installation cylinder 41 and is used to adjust the length of the motor cylinder 42 extending out of the opening at the bottom of the installation cylinder 41.

[0035] The geared motor and the turbulence vane 45 are configured such that when the turbulence vane 45 contacts the mud surface, it drives the mud surface to rise and make the water turbid; when the turbulence vane 45 does not contact the mud surface, the turbulence vane 45 spins in the water.

[0036] In operation, the geared motor located inside the motor cylinder 42 drives the coaxially fixed baffle 45 to rotate. When the baffle 45 is suspended (i.e., not in contact with the mud surface), it rotates freely in the water, without causing substantial turbidity to the surrounding water. As the equipment continues to descend, when the baffle 45 contacts the bottom mud surface, its rotation will shear and agitate the mud surface, causing sediment to be stirred up, resulting in the surrounding water becoming instantly turbid. By identifying this point of change in turbidity, the location of the mud-water interface can be accurately determined.

[0037] In addition, the turbulence blade 45 can adopt a rod-shaped structure, which can more effectively generate local disturbance when in contact with the mud surface, while having almost no substantial turbidity impact on the surrounding water quality when not in contact with the mud surface.

[0038] Furthermore, a first visual sensor 46 is installed on the side of the mounting cylinder 41. The first visual sensor 46 is used to monitor the moment when the water around the turbidity blade 45 becomes turbid.

[0039] Furthermore, the side portion of the motor cylinder 42 is provided with teeth, which mesh with the gear 44. The gear 44 is rotatably disposed in the mounting cylinder 41 and meshes with the positioning rod 43, which is used to drive the positioning rod 43 to extend and penetrate the soil.

[0040] Specifically, the motor cylinder 42 has teeth on its side. When the motor cylinder 42 moves up and down relative to the mounting cylinder 41 under the action of driving force, the teeth on its side drive the gear 44, which meshes with it, to rotate. The gear 44, as an intermediate transmission component, is rotatably disposed inside the mounting cylinder 41 and simultaneously meshes with the positioning rod 43. To achieve motion transmission, the positioning rod 43 can be configured as a rack structure that matches the gear 44, or a rod structure with threaded grooves. In this transmission chain, the linear movement of the motor cylinder 42 is converted into the rotational movement of the gear 44 through the teeth, and then the rotation of the gear 44 is again converted into the linear movement of the positioning rod 43.

[0041] When the motor cylinder 42 retracts, the gear 44 rotates to drive the positioning rod 43 to extend downwards out of the mounting cylinder 41 until the bottom of the positioning rod 43 reaches the bottom position of the deflector 45 in its initial state.

[0042] In this embodiment, the interface liquid collection component 5 includes: a guide cylinder 51, which is vertically connected to one side of the first liquid storage tank 3; and a movable collection component 54, which is slidably disposed along the guide cylinder 51 and is used to move to an area away from the positioning component 4 to collect the interface liquid.

[0043] During actual operation, the positioning component 4 causes physical agitation when it contacts the mud surface for detection, resulting in localized turbidity in the surrounding water. To avoid collecting samples from this disturbed, turbid water, the sliding characteristic of the mobile acquisition component 54 on the guide cylinder 51 is utilized to drive it to a lateral area away from the positioning component 4. At this time, the mobile acquisition component 54 is in an undisturbed, pristine water environment, enabling it to selectively extract liquid at the mud-water interface, thereby completing the sampling.

[0044] In other words, the positioning component 4 will inevitably stir up the bottom sediment in order to detect the mud surface. If samples are taken directly in the disturbed area, the collected samples are often a mixture of mud and water rather than the actual interface liquid. By setting the guide tube 51 and the sliding mobile sampling component 54, it is possible to actively select areas far away from the disturbance point for sampling, thereby ensuring that the collected water samples have extremely high in-situ representativeness and purity, and greatly improving the accuracy of subsequent high fluoride detection data.

[0045] In addition, the guide cylinder 51 has a first through hole 52 and a second through hole 53 that are far apart from each other. A first reel 55 and a second reel 56 are rotatably arranged inside the guide cylinder 51. A first pull rope is wound on the first reel 55. The first pull rope passes through the first through hole 52 and is connected to the mobile acquisition component 54. A second pull rope is wound on the second reel 56. The second pull rope passes through the second through hole 53 and is connected to the mobile acquisition component 54.

[0046] In this embodiment, the interface liquid collection component 5 achieves reciprocating movement control of the mobile collection component 54 on the guide cylinder 51 through the first pull rope and the second pull rope. Specifically, the first winding wheel 55 and the second winding wheel 56 serve as power output ends, and the first pull rope and the second pull rope are wound around them respectively. These two pull ropes pass through the first through hole 52 and the second through hole 53, which are opened on the guide cylinder 51 and are far apart from each other, and finally form a physical connection with the mobile collection component 54.

[0047] During operation, the winding and unwinding states of the two pull ropes can be flexibly adjusted by controlling the rotation direction and number of turns of the first reel 55 and the second reel 56. For example, when it is necessary to drive the mobile acquisition component 54 to extend to one side or descend, the corresponding reel winds up the pull rope to provide traction, while the reel on the other side releases the pull rope simultaneously, thereby driving the mobile acquisition component 54 to slide smoothly along the axis of the guide cylinder 51.

[0048] In this embodiment, the mobile acquisition component 54 includes: a sliding cylinder arm 541, which is slidably disposed on the guide cylinder 51; an installation chamber 542, which is mounted on the sliding cylinder arm 541; an adjusting wheel, which is rotatably disposed in the installation chamber 542; a motor 543, which is connected to the adjusting wheel and used to drive the adjusting wheel to rotate; a rack 544, which slidably passes through the installation chamber 542 and meshes with the adjusting wheel; and a suction cylinder 545, which is connected below the rack 544.

[0049] When the adjusting wheel rotates under the drive of the motor 543, the rotational motion is converted into linear lifting and lowering motion of the rack 544 relative to the mounting chamber 542. Since the suction cylinder 545 is connected below the rack 544, the suction cylinder 545 can move up and down in height synchronously with the rack 544.

[0050] Meanwhile, the sliding arm 541 is slidably mounted on the guide cylinder 51, serving as the support carrier for the entire mobile acquisition assembly 54. The sliding of the sliding arm 541 along the guide cylinder 51 causes the installation chamber 542, rack 544, and suction cylinder 545 to move as a whole. Through the guiding movement of the sliding arm 541 on the guide cylinder 51, combined with the lifting and lowering of the rack 544 within the installation chamber 542, the suction cylinder 545 can be flexibly adjusted in spatial coordinates, allowing it to be adjusted to the height of the mud-water interface.

[0051] The motor 543 can be a servo motor or a stepper motor to achieve precise control of the rotation angle of the adjusting wheel; the adjusting wheel can specifically be a spur gear.

[0052] Furthermore, the suction port of the suction cylinder 545 is oriented horizontally so that the suction cylinder 545 can draw in the interface liquid when it is adjusted to the mud-water interface position by the rack 544.

[0053] During suction operations, due to the horizontal orientation of the suction port, the fluid, under negative pressure, forms a laminar flow or jet parallel to the mud surface and enters the suction cylinder 545. This horizontal suction flow field characteristic means that the suction force is mainly concentrated on the fluid dynamic pressure in the horizontal direction, rather than the downward pressure or upward force in the vertical direction. When the suction cylinder 545 is adjusted to be very close to the mud surface, the horizontal opening can sweep across the mud-water interface, using the fluid to draw in high concentrations of dissolved or suspended substances at the interface. At the same time, because the suction vector is parallel to the mud surface, the suction force is prevented from directly acting on the soil particles and vertically lifting them up.

[0054] Based on this, this embodiment also provides a method for detecting high-fluoride contaminated water, including the following steps:

[0055] S1. Control the winch 2 to lower the first liquid storage tank 3, driving the positioning component 4 connected below it and the interface liquid collection component 5 set on one side of it to descend synchronously;

[0056] S2. Start the reduction motor in the positioning component 4 to drive the deflector 45 to rotate;

[0057] S3. Monitor the water condition and determine the location of the mud-water interface by utilizing the characteristic that the water becomes turbid after the turbulence-disrupting blades 45 come into contact with the mud surface.

[0058] S4. Control the interface liquid collection component 5 to collect interface liquid at the mud-water interface.

[0059] Specifically, in the initial stage, a fixed vertical distance D is established between the equipment's pre-set suction port and the bottom surface of the baffle 45. During operation, the winch 2 lowers the positioning component 4, and the first vision sensor 46 monitors the water condition in real time. When the rotation of the baffle 45 causes a significant change in water turbidity, it is determined that the baffle 45 has come into contact with the mud surface.

[0060] Subsequently, the turbulence vane 45 is retracted and the positioning rod 43 is lowered, while the collection port 31 is opened to collect the overlying water. Next, the winch 2 continues to lower the equipment, using the weight of the first storage tank 3 to firmly rivet the positioning rod 43 into the soil, and the winch 2 records the downward depth H during this process. At this point, because the entire equipment has been lowered to a depth H, the actual vertical distance between the suction port and the mud-water interface has changed.

[0061] Based on this, the required compensation distance is automatically calculated, with the calculation logic being the initial distance D minus the lowering depth H. After calculating the adjustment amount, the control motor 543 drives the adjustment wheel to rotate. The adjustment wheel, through meshing with the rack 544, drives the suction cylinder 545 to perform vertical displacement. The suction cylinder 545 moves a distance DH, thereby precisely adjusting the suction port to the height coinciding with the mud-water interface in the undisturbed lateral region for interface liquid collection.

[0062] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A device for detecting high-fluoride contaminated water, characterized in that, include: Vehicle (1); A winch (2), which is mounted on the carrier (1) and has a free end; The first liquid storage tank (3) is connected to the free end and has a liquid collection port (31) on which a valve is installed; The positioning component (4) is connected to the bottom of the first liquid storage tank (3) and is used to detect and locate the mud-water interface; An interface liquid collection component (5) is disposed on one side of the first storage tank (3) and is used to collect the interface liquid after the positioning component (4) positions it at the mud-water interface. The positioning component (4) includes: The mounting cylinder (41) is fixed below the first liquid storage tank (3), and the bottom of the mounting cylinder (41) has an opening; The motor cylinder (42) is vertically limited and slidably connected to the mounting cylinder (41) through a limiting block, and a reduction motor is provided in the motor cylinder (42); A deflector (45) is coaxially fixed to the output end of the geared motor; A telescopic rod, which is disposed in the mounting cylinder (41), is used to adjust the length of the motor cylinder (42) extending out of the opening at the bottom of the mounting cylinder (41); The geared motor and the turbulence vane (45) are configured such that when the turbulence vane (45) contacts the mud surface, it drives the mud surface to rise and make the water turbid; when the turbulence vane (45) does not contact the mud surface, the turbulence vane (45) idles in the water. A first visual sensor (46) is installed on the side of the mounting cylinder (41). The first visual sensor (46) is used to monitor the moment when the water around the turbidity of the turbidity leaf (45) becomes turbid. The interface liquid collection component (5) includes: A guide tube (51) is vertically connected to one side of the first liquid storage tank (3); A mobile acquisition component (54) is slidably disposed along the guide cylinder (51) for moving to an area away from the positioning component (4) to collect interface liquid; The mobile acquisition component (54) includes: The sliding cylinder arm (541) is slidably disposed on the guide cylinder (51); The mounting compartment (542) is mounted on the slide arm (541); An adjusting wheel is rotatably mounted in the mounting chamber (542); A motor (543) is connected to the adjusting wheel and is used to drive the adjusting wheel to rotate; A rack (544) slides through the mounting chamber (542) and engages with the adjusting wheel; A suction cylinder (545) is connected below the rack (544); The suction port of the suction cylinder (545) is set to a horizontal orientation so that the interface liquid can be drawn when the suction cylinder (545) is adjusted to the mud-water interface position with the rack (544).

2. The high-fluoride-contaminated water detection device according to claim 1, characterized in that, The motor cylinder (42) has teeth on its side, which mesh with a gear (44). The gear (44) is rotatably mounted in the mounting cylinder (41) and meshes with a positioning rod (43) to drive the positioning rod (43) to extend and penetrate the soil.

3. The high-fluoride-contaminated water detection device according to claim 1, characterized in that, The guide cylinder (51) has a first through hole (52) and a second through hole (53) that are far apart from each other. A first reel (55) and a second reel (56) are rotatably arranged inside the guide cylinder (51). A first pull rope is wound on the first reel (55), the first pull rope passes through the first through hole (52) and is connected to the mobile acquisition component (54). A second pull rope is wound on the second reel (56), the second pull rope passes through the second through hole (53) and is connected to the mobile acquisition component (54).

4. A method for detecting high-fluoride contaminated water, using the high-fluoride contaminated water detection equipment according to any one of claims 1 to 3, characterized in that, Includes the following steps: S1. Control the winch (2) to lower the first liquid storage tank (3), and drive the positioning component (4) connected below it and the interface liquid collection component (5) set on one side of it to descend synchronously; S2. Start the reduction motor in the positioning component (4) to drive the deflector (45) to rotate; S3. Monitor the water condition and use the characteristic that the water becomes turbid after the turbulence-disrupting blade (45) comes into contact with the mud surface to determine the location of the mud-water interface; S4. Control the interface liquid collection component (5) to collect interface liquid at the location of the mud-water interface.

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