Device for realizing automatic sampling and monitoring of sludge settling ratio by using laser ranging

Abstract

The utility model discloses a device for realizing automatic sampling and monitoring of a sludge settling ratio by using laser ranging, which comprises a monitoring box body, a transparent measuring cylinder is arranged in the monitoring box body through a stabilizing mechanism, and an extraction assembly communicated with a liquid inlet at the top end of the transparent measuring cylinder is arranged in the monitoring box body. The input end of the extraction assembly extends into an external sludge tank, a laser distance measuring sensor is further arranged on the inner top wall of the monitoring box body through an adjusting mechanism, and the laser distance measuring sensor is matched with the transparent measuring cylinder. According to the invention, periodic automatic sampling can be realized and the sludge sedimentation ratio of each round can be recorded; meanwhile, the automatic sampling and monitoring device is simple and rapid in process, and can replace manual sludge mixed liquid sampling and sludge sedimentation ratio detection, so that automatic sampling and automatic alarm for sludge sedimentation ratio abnormity are realized, the whole process is automatically recorded without human intervention, and the accuracy of a final monitoring result can be improved.

Description

Technical Field

[0001] This application relates to the technical field of sludge settling ratio detection equipment, and in particular to an automatic sampling and monitoring device for sludge settling ratio using laser ranging. Background Technology

[0002] Currently, in wastewater commissioning and operation, the sludge settling ratio (SV) is a reflection of the sludge settling performance. By observing the sludge settling ratio, it can be determined whether the sludge is in an abnormal condition and what kind of abnormality it is.

[0003] In related technologies, the sludge settling ratio (SV) test involves manually taking a sludge mixture and letting it settle in a 1000ml graduated cylinder. The sludge settling ratio is then manually observed after a certain period of time. However, this manual observation method is not only repetitive and tedious, but the judgment of abnormal sludge conditions also varies from person to person, which can easily lead to inaccurate monitoring results. Utility Model Content

[0004] The purpose of this application is to provide an automatic sampling and monitoring device for sludge settling ratio using laser ranging, in order to solve the problem that relying on manual observation is not only repetitive and cumbersome, but also that the judgment of sludge abnormalities varies from person to person, which can easily lead to inaccurate monitoring results.

[0005] This application provides a technical solution for an automatic sampling and monitoring device for sludge settling ratio using laser ranging:

[0006] An automatic sampling and monitoring device for sludge settling ratio using laser ranging includes a monitoring box. A transparent measuring cylinder is installed inside the monitoring box via a stabilizing mechanism. An extraction component is installed inside the monitoring box and communicates with the liquid inlet at the top of the transparent measuring cylinder. The input end of the extraction component extends into an external sludge tank. A laser ranging sensor is also installed on the inner top wall of the monitoring box via an adjustment mechanism. The laser ranging sensor cooperates with the transparent measuring cylinder to measure the sludge settling within the transparent measuring cylinder.

[0007] Furthermore, the stabilizing mechanism includes a stabilizing seat disposed inside the monitoring box, the stabilizing seat having a stabilizing hole that mates with the transparent measuring cylinder, a positioning slot communicating with the stabilizing hole being provided on the surface of the stabilizing seat, a positioning ring that mates with the positioning slot being fitted on the outer wall of the transparent measuring cylinder, and an elastic clamping component for clamping the transparent measuring cylinder being provided on the surface of the stabilizing seat.

[0008] Furthermore, the elastic clamping assembly includes stabilizing blocks symmetrically arranged on both sides of the surface of the stabilizing base. Each of the two stabilizing blocks has several sliding holes, and a sliding rod passes through each of the several sliding holes. One end of each of the several sliding rods is provided with an arc-shaped clamping block that cooperates with the outer side of the transparent measuring cylinder. The other end of each of the several sliding rods is provided with a linkage block. One side of the linkage block is provided with a pull handle. Several springs are provided between the stabilizing block and the arc-shaped clamping block, and the several springs are respectively sleeved on the several sliding rods.

[0009] Furthermore, the adjustment mechanism includes an adjustment plate disposed on the top wall of the monitoring box, an adjustment sliding seat slidably disposed on the bottom of the adjustment plate, an adjustment sliding groove that cooperates with the adjustment sliding seat is opened on the bottom of the adjustment plate, the laser ranging sensor is disposed on one side of the adjustment sliding seat, and a limiting component that abuts against the adjustment plate is also disposed on one side of the adjustment sliding seat.

[0010] Furthermore, the limiting component includes a limiting block disposed on one side of the adjusting sliding seat, the limiting block having a limiting threaded hole, a limiting screw being internally threaded into the limiting threaded hole, one end of the limiting screw being provided with a limiting abutment block that abuts against the adjusting plate, and the other end of the limiting screw being provided with a knob block.

[0011] Furthermore, the extraction component includes an extraction element disposed within the monitoring box. The input end of the extraction element is provided with a water suction pipe, one end of which extends into the sludge tank. The output end of the extraction element is provided with a water delivery pipe, one end of which is connected to the liquid inlet at the top of the transparent measuring cylinder.

[0012] Furthermore, the water suction pipe is also connected to a water replenishment pipe, with one end of the water replenishment pipe extending out of the monitoring box and connected to an external water replenishment structure.

[0013] Furthermore, a drain pipe is connected to the bottom end of the transparent graduated cylinder, and the end of the drain pipe away from the transparent graduated cylinder extends out of the monitoring box and is connected to an external collection structure.

[0014] Compared with the prior art, the beneficial effects of this application are as follows:

[0015] By setting up an extraction component, the sludge mixture in the sludge tank can be automatically extracted into a transparent graduated cylinder, achieving automatic sampling. Simultaneously, a laser rangefinder effectively measures the sludge settling within the graduated cylinder, enabling periodic automatic sampling and recording of the sludge settling ratio for each round. This process is not only simple and quick but also replaces manual sludge mixture sampling and sludge settling ratio detection, achieving automatic sampling and automatic alarm for abnormal sludge settling ratios. Furthermore, the entire process is automatically recorded without human intervention, thus improving the accuracy of the final monitoring results.

[0016] In addition, the stabilizing mechanism not only ensures the transparent graduated cylinder is securely installed inside the monitoring box, improving its operational stability, but also facilitates its removal from the monitoring box for easy replacement.

[0017] Furthermore, by adjusting the mechanism, the position of the laser rangefinder can be effectively adjusted, enabling the laser rangefinder to more effectively measure the sludge settling at various horizontal positions within the transparent measuring cylinder, thereby further improving the accuracy of the final monitoring results. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of the automatic sampling and monitoring device for sludge settling ratio using laser ranging, as described in this application embodiment.

[0019] Figure 2 This is a schematic diagram of the transparent graduated cylinder and stabilizing mechanism in an embodiment of this application.

[0020] Figure 3 This is a schematic diagram of the structure of the laser rangefinder sensor and adjustment mechanism according to an embodiment of this application.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Monitoring box; 2. Transparent measuring cylinder; 21. Positioning ring; 22. Liquid level controller; 3. Laser rangefinder sensor; 4. Stabilizing base; 41. Stabilizing hole; 42. Positioning slot; 43. Stabilizing block; 44. Sliding hole; 45. Sliding rod; 46. Arc-shaped clamp; 47. Linkage block; 48. Pull handle; 49. Spring; 5. Adjusting plate; 51. Adjusting sliding base; 52. Adjusting sliding groove; 53. Limiting block; 54. Limiting threaded hole; 55. Limiting screw; 56. Limiting clamping block; 57. Knob block; 6. Extraction component; 61. Suction pipe; 62. Water supply pipe; 63. Water replenishment pipe; 64. Drain pipe; 7. Control box; 71. PLC control system; 72. Touch screen; 8. Solenoid valve; 9. Valve. Detailed Implementation

[0023] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0024] This application discloses an automatic sampling and monitoring device for sludge settling ratio using laser ranging, referring to... Figure 1 In this embodiment, the automatic sampling and monitoring device includes a monitoring box 1, a transparent measuring cylinder 2, a stabilizing mechanism, an extraction component, a laser rangefinder sensor 3, and an adjustment mechanism. The transparent measuring cylinder 2 is installed inside the monitoring box 1 via the stabilizing mechanism. This stabilizing mechanism not only securely mounts the transparent measuring cylinder 2 inside the monitoring box 1, improving its operational stability, but also facilitates its removal from the monitoring box 1 for replacement.

[0025] The extraction component is installed inside the monitoring box 1, and the input end of the extraction component extends into the external sludge tank. The output end of the extraction component is connected to the liquid inlet at the top of the transparent measuring cylinder 2. By setting the extraction component, the sludge mixture in the sludge tank can be automatically extracted into the transparent measuring cylinder 2, thereby realizing the automatic sampling effect of the transparent measuring cylinder 2.

[0026] Meanwhile, the laser rangefinder 3 is mounted on the inner top wall of the monitoring box 1 via an adjustment mechanism. The laser rangefinder 3 cooperates with the transparent measuring cylinder 2, and is positioned directly above the transparent measuring cylinder 2, ensuring that the emitting end of the laser rangefinder 3 faces the interior of the transparent measuring cylinder 2. This adjustment mechanism allows for effective adjustment of the position of the laser rangefinder 3, enabling more effective distance measurement of sludge settling at various horizontal locations within the transparent measuring cylinder 2, thereby further improving the accuracy of the final monitoring results.

[0027] Before the sludge mixture is drawn into the transparent graduated cylinder 2, the distance between the laser range sensor 3 and the bottom of the transparent graduated cylinder 2 is measured using the laser range sensor 3. This distance is L0. Then, the sludge mixture in the sludge tank is automatically drawn into the transparent graduated cylinder 2 by the extraction component. After the automatic timer is set for 30 minutes, the sludge in the transparent graduated cylinder 2 settles. The distance of the settled sludge is then measured using the laser range sensor 3. This distance is L1. Thus, the height reading of the sludge in the transparent graduated cylinder 2 at this time can be calculated as L2 = L0 - L1.

[0028] In this way, the above-mentioned automatic sampling and monitoring device can realize periodic automatic sampling and record the sludge settling ratio of each round. At the same time, the automatic sampling and monitoring device is not only simple and quick in operation, but also can replace manual sludge mixture sampling and sludge settling ratio detection, thereby realizing automatic sampling and automatic alarm for abnormal sludge settling ratio. Moreover, the whole process is automatically recorded without human intervention, which can improve the accuracy of the final monitoring results.

[0029] The structure of the stabilizing mechanism, extraction component, and adjustment mechanism is described in detail below:

[0030] Specifically, refer to Figure 1 and Figure 2 In this embodiment, the stabilizing mechanism includes a stabilizing base 4, a positioning ring 21, and an elastic clamping assembly. The stabilizing base 4 is mounted on the inner wall of the monitoring housing 1, and a stabilizing hole 41 is formed on the stabilizing base 4. This stabilizing hole 41 cooperates with the transparent measuring cylinder 2, allowing the transparent measuring cylinder 2 to pass through the stabilizing base 4 along the stabilizing hole 41. The positioning ring 21 is made of rubber material and has a certain elasticity. The rubber positioning ring 21 is securely fitted onto the outer wall of the transparent measuring cylinder 2. A positioning groove 42 communicating with the stabilizing hole 41 is also formed on the surface of the stabilizing base 4, and this positioning groove 42 cooperates with the positioning ring 21.

[0031] When the bottom end of the transparent measuring cylinder 2 passes through the stabilizing hole 41 from top to bottom into the stabilizing base 4, the positioning ring 21 on the transparent measuring cylinder 2 is placed on the positioning groove 42 to limit the transparent measuring cylinder 2, so that the transparent measuring cylinder 2 is supported and placed on the stabilizing base 4.

[0032] Meanwhile, the elastic clamping assembly is disposed on the surface of the stabilizing base 4 to securely clamp the transparent measuring cylinder 2; more specifically, refer to Figure 2 In this embodiment, the elastic clamping assembly includes a stabilizing block 43, a sliding rod 45, an arc-shaped clamping block 46, a linkage block 47, a pull handle 48, and a spring 49. Two stabilizing blocks 43 are provided, symmetrically mounted on both sides of the surface of the stabilizing base 4, and two sliding holes 44 are provided on each corresponding side of the two stabilizing blocks 43, meaning that a total of four sliding holes 44 are provided in this application.

[0033] The sliding rod 45 is provided with four rods, each of which cooperates with one of the four sliding holes 44, allowing the four rods to slide along the four sliding holes 44 and pass through the two stabilizing blocks 43. The four sliding rods 45 are arranged in pairs, with the two pairs of sliding rods 45 symmetrically located on the stabilizing base 4. There are two arc-shaped clamping blocks 46, which are respectively installed on the corresponding ends of the two pairs of sliding rods 45. The corresponding sides of the two arc-shaped clamping blocks 46 cooperate with the outer side of the transparent measuring cylinder 2. When the two pairs of sliding rods 45 are pushed at the same time, the two arc-shaped clamping blocks 46 can be moved closer to each other to fit against the outer wall of the transparent measuring cylinder 2, thereby clamping and fixing the transparent measuring cylinder 2.

[0034] Meanwhile, two linkage blocks 47 are provided, each installed on one opposite end of the two sets of sliding rods 45, and symmetrically located on one opposite side of the two stabilizing blocks 43. This arrangement of linkage blocks 47 allows the two sliding rods 45 on the same side to be connected together. Two pull handles 48 are provided, symmetrically installed on one opposite side of the two linkage blocks 47. Four springs 49 are provided, each sleeved on one of the four sliding rods 45, with both ends of the springs connected between the two stabilizing blocks 43 and the two arc-shaped clamping blocks 46.

[0035] When it is necessary to securely install the transparent measuring cylinder 2, pull both pull handles 48 simultaneously, causing the four sliding rods 45 on the two linkage blocks 47 to drive the two arc-shaped clamping blocks 46 away from each other, thus compressing and contracting the spring 49. Then, insert the transparent measuring cylinder 2 into the stabilizing seat 4 along the stabilizing hole 41, so that the positioning ring 21 on the transparent measuring cylinder 2 is positioned on the positioning slot 42 to limit the transparent measuring cylinder 2. Then, release the two pull handles 48, and under the elastic reset action of the spring 49, the two arc-shaped clamping blocks 46 move closer to each other to fit against the outer wall of the transparent measuring cylinder 2, thereby clamping and fixing the transparent measuring cylinder 2.

[0036] By setting up a stabilizing mechanism, the transparent measuring cylinder 2 can be securely installed inside the monitoring box 1 to improve the operational stability of the transparent measuring cylinder 2; it also makes it easy to remove the transparent measuring cylinder 2 from the monitoring box 1 for replacement.

[0037] Additionally, refer to Figure 1 and Figure 3In this embodiment, the adjustment mechanism includes an adjustment plate 5, an adjustment sliding seat 51, and a limiting component. The adjustment plate 5 is mounted on the inner top wall of the monitoring housing 1. An adjustment sliding groove 52 is formed on the side of the adjustment plate 5 facing the transparent measuring cylinder 2. The adjustment sliding seat 51 cooperates with the adjustment sliding groove 52, allowing the adjustment sliding seat 51 to slide along the adjustment sliding groove 52 at the bottom of the adjustment plate 5. The laser rangefinder 3 is fixedly mounted on the side of the adjustment sliding seat 51 facing away from the adjustment plate 5, with the emitting end of the laser rangefinder 3 pointing downwards towards the top of the transparent measuring cylinder 2.

[0038] By sliding and adjusting the sliding seat 51, the laser rangefinder 3 can be moved to effectively adjust its position. This allows the laser rangefinder 3 to more effectively measure the sludge settling at various horizontal positions within the transparent measuring cylinder 2, thereby further improving the accuracy of the final monitoring results.

[0039] Meanwhile, the limiting component is located on one side of the adjusting sliding seat 51 and abuts against the bottom of the adjusting plate 5, thereby locking and limiting the adjusting sliding seat 51. Specifically, refer to... Figure 3 In this embodiment, the limiting component includes a limiting block 53, a limiting screw 55, a limiting abutment block 56, and a knob block 57. The limiting block 53 is mounted on one side of the adjusting sliding seat 51, and a limiting threaded hole 54 is formed on the limiting block 53. The limiting screw 55 is threadedly connected to the limiting threaded hole 54, passing through the limiting threaded hole 54 into the limiting block 53.

[0040] Furthermore, the limiting block 56 is installed on the end of the limiting screw 55 facing the adjusting plate 5; the knob block 57 is installed on the end of the limiting screw 55 away from the limiting block 56; by rotating the knob block 57, the limiting screw 55 drives the limiting block 56 to press against the bottom of the adjusting plate 5, thereby achieving the effect of locking and limiting the adjusting sliding seat 51, which facilitates the effective positioning of the laser rangefinder sensor 3.

[0041] In addition, refer to Figure 1 In this embodiment, the extraction assembly includes an extraction component 6, a suction pipe 61, and a delivery pipe 62. The extraction component 6 is installed inside the monitoring housing 1 and is an extraction device combining a water pump and a motor. One end of the suction pipe 61 is connected to the input end of the extraction component 6, and the other end extends out of the monitoring housing 1 and into the sludge tank. One end of the delivery pipe 62 is connected to the output end of the extraction component 6, and the other end is connected to the liquid inlet at the top of the transparent measuring cylinder 2. Specifically, both the suction pipe 61 and the delivery pipe 62 use DN20 pipes.

[0042] When the extraction component 6 is activated, the suction pipe 61 extracts the sludge mixture from the sludge tank and then automatically draws it into the transparent measuring cylinder 2 through the water delivery pipe 62, thereby achieving the automatic sampling effect of the transparent measuring cylinder 2.

[0043] Furthermore, a liquid level controller 22 is installed on one side of the top of the transparent measuring cylinder 2; the liquid level controller 22 ensures that the liquid level in the transparent measuring cylinder 2 will not overflow and is controlled at the required height.

[0044] Preferably, a drain pipe 64 is connected to the bottom of the transparent graduated cylinder 2. The end of the drain pipe 64 away from the transparent graduated cylinder 2 extends outside the monitoring box 1 and is connected to the external collection structure. The drain pipe 64 also uses a DN20 pipe. After the sedimentation ratio of the sludge in the transparent graduated cylinder 2 is monitored, the sludge mixture in the transparent graduated cylinder 2 is discharged into the collection structure through the drain pipe 64 for subsequent unified treatment, thus facilitating the next monitoring operation of the sludge mixture.

[0045] Meanwhile, a water supply pipe 63 is also connected to the suction pipe 61. The end of the water supply pipe 63 away from the suction pipe 61 extends out of the monitoring box 1 and is connected to the external water supply structure. The water supply pipe 63 also uses a DN20 pipe. When the transparent measuring cylinder 2 needs to be cleaned, external tap water is drained into the water supply pipe 63 through the water supply structure, and then drained into the drain pipe 64 along the water supply pipe 63. Under the action of the extraction component 6, tap water is flushed into the transparent measuring cylinder 2 through the water supply pipe 62. After rinsing, the water is discharged through the drain pipe 64. This can maintain the cleanliness of the transparent measuring cylinder 2 and ensure that the accuracy of the next sampling is not affected by the previous one.

[0046] In addition, solenoid valves 8 and valves 9 are installed on the suction pipe 61, the delivery pipe 62, the drainage pipe 64, and the replenishment pipe 63. By setting solenoid valves 8 and valves 9, not only can the opening and closing of the liquid in these pipes be controlled, but the flow rate of the liquid in these pipes can also be adjusted to meet the flow requirements under different working conditions. At the same time, the flow direction of the liquid can be changed as needed to achieve directional control of the liquid, thereby improving monitoring efficiency and safety.

[0047] Secondly, refer to Figure 1 In this embodiment, a control box 7 is also installed on the top of the monitoring box 1. A PLC control system 71 is installed inside the control box 7. The PLC control system 71 is electrically connected to the laser rangefinder 3 and the extraction component 6 respectively to control the laser rangefinder 3 and the extraction component 6. A touch screen 72 electrically connected to the PLC control system 71 is also installed on the surface of the control box 7. The touch screen 72 allows the monitoring personnel to control the use of the entire automatic sampling monitoring device by operating the touch screen 72.

[0048] The implementation principle of the automatic sampling and monitoring device for sludge settling ratio using laser ranging in this embodiment is as follows:

[0049] Before the sludge mixture is drawn into the transparent measuring cylinder 2, the distance between the laser rangefinder 3 and the bottom of the transparent measuring cylinder 2 is measured using the laser rangefinder 3. This distance is L0. Then, the extraction component 6 is activated, causing the suction pipe 61 to draw the sludge mixture from the sludge tank. The mixture is then automatically drawn into the transparent measuring cylinder 2 through the water supply pipe 62. The timer is set for 30 minutes. After the sludge in the transparent measuring cylinder 2 has settled, the laser rangefinder 3 is used to measure the distance of the settled sludge. This distance is L1. The height of the sludge in the transparent measuring cylinder 2 at this time can be calculated as L2 = L0 - L1, thus completing the monitoring process of the sludge settling ratio.

[0050] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A device for automatically sampling and monitoring sludge settling ratio using laser ranging, characterized in that: The system includes a monitoring box (1), inside which a transparent measuring cylinder (2) is installed via a stabilizing mechanism. Inside the monitoring box (1) is an extraction component connected to the liquid inlet at the top of the transparent measuring cylinder (2). The input end of the extraction component extends into the external sludge tank. A laser ranging sensor (3) is also installed on the inner top wall of the monitoring box (1) via an adjustment mechanism. The laser ranging sensor (3) works in conjunction with the transparent measuring cylinder (2) to measure the distance of sludge settling inside the transparent measuring cylinder (2).

2. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 1, characterized in that: The stabilizing mechanism includes a stabilizing seat (4) disposed inside the monitoring box (1). The stabilizing seat (4) has a stabilizing hole (41) that cooperates with the transparent measuring cylinder (2). The surface of the stabilizing seat (4) also has a positioning slot (42) that communicates with the stabilizing hole (41). The outer wall of the transparent measuring cylinder (2) is fitted with a positioning ring (21) that cooperates with the positioning slot (42). The surface of the stabilizing seat (4) is also provided with an elastic clamping component for clamping the transparent measuring cylinder (2).

3. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 2, characterized in that: The elastic clamping assembly includes stabilizing blocks (43) symmetrically arranged on both sides of the surface of the stabilizing base (4). Each of the two stabilizing blocks (43) has several sliding holes (44). Each of the several sliding holes (44) has a sliding rod (45) passing through it. One end of each of the several sliding rods (45) is provided with an arc-shaped clamping block (46) that cooperates with the outer side of the transparent measuring cylinder (2). The other end of each of the several sliding rods (45) is provided with a linkage block (47). One side of the linkage block (47) is provided with a pull handle (48). Several springs (49) are provided between the stabilizing block (43) and the arc-shaped clamping block (46). Each of the several springs (49) is respectively sleeved on the several sliding rods (45).

4. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 1, characterized in that: The adjustment mechanism includes an adjustment plate (5) disposed on the inner top wall of the monitoring box (1), an adjustment sliding seat (51) is slidably disposed at the bottom of the adjustment plate (5), an adjustment sliding groove (52) is opened at the bottom of the adjustment plate (5) to cooperate with the adjustment sliding seat (51), the laser ranging sensor (3) is disposed on one side of the adjustment sliding seat (51), and a limiting component that abuts against the adjustment plate (5) is also disposed on one side of the adjustment sliding seat (51).

5. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 4, characterized in that: The limiting component includes a limiting block (53) disposed on one side of the adjusting sliding seat (51). The limiting block (53) has a limiting threaded hole (54). A limiting screw (55) is internally threaded into the limiting threaded hole (54). One end of the limiting screw (55) is provided with a limiting abutting block (56) that abuts against the adjusting plate (5). The other end of the limiting screw (55) is provided with a knob block (57).

6. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 1, characterized in that: The extraction assembly includes an extraction component (6) disposed inside the monitoring box (1). The input end of the extraction component (6) is provided with a water suction pipe (61), one end of which extends into the sludge tank. The output end of the extraction component (6) is provided with a water delivery pipe (62), one end of which is connected to the liquid inlet at the top of the transparent measuring cylinder (2).

7. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 6, characterized in that: The water suction pipe (61) is also connected to a water replenishment pipe (63). The end of the water replenishment pipe (63) away from the water suction pipe (61) extends out of the monitoring box (1) and is connected to the external water replenishment structure.

8. The automatic sampling and monitoring device for sludge settling ratio using laser ranging according to claim 6, characterized in that: The bottom end of the transparent graduated cylinder (2) is connected to a drain pipe (64). The end of the drain pipe (64) away from the transparent graduated cylinder (2) extends out of the monitoring box (1) and is connected to the external collection structure.

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