Sludge settling ratio detector

Abstract

According to the sludge settling ratio detector provided by the utility model, the height of the sludge level is monitored and shot in real time through the camera, and the shot height data of the sludge level is uploaded to the PLC processor for analysis and storage, so that the high precision of detection and the traceability of the data are ensured. Through the design of the top water inlet pipe and the bottom water inlet and outlet, a plurality of valves, a vacuum generation device and high-pressure air are matched, and the complete operation process of automatic water inlet, sedimentation, flushing and drainage is achieved. Particularly, pulse air washing is realized through high-pressure air, and deep cleaning of the measuring tool is realized through combination of tap water flushing, so that the cleaning efficiency of equipment is remarkably improved, and the influence of accumulation of residues on the measuring tool on subsequent detection is avoided. Meanwhile, the detector can flexibly adjust detection parameters according to actual requirements, meets the requirements of high-frequency and long-time continuous detection, greatly improves the automation level of sludge sedimentation, and reduces the manual operation cost.

Description

Technical Field

[0001] This utility model relates to the field of sludge settling ratio detection technology, specifically a sludge settling ratio detector. Background Technology

[0002] Sludge settling ratio is a crucial indicator for evaluating the sludge-water separation performance in wastewater treatment processes, playing a key role in the operation control and optimization of wastewater treatment technologies. Currently, traditional sludge settling ratio testing mainly relies on manual operation, using graduated cylinders for sampling, settling, observation, and recording. While this method is simple to operate, it is inefficient, its measurement accuracy is easily affected by human factors, and it cannot meet the needs of continuous testing of large-scale wastewater samples, limiting the automation and intelligence level of wastewater treatment systems. This method is even more limiting in scenarios requiring high-frequency monitoring or long-term operation.

[0003] Existing automated sludge settling ratio testing equipment has begun to integrate sensors and processors to automate some functions, such as automatic water intake and data recording. However, these devices generally suffer from insufficient accuracy and inefficient operation. In particular, the simplistic design of the pre- and post-test flushing and drainage functions easily leads to the accumulation of residues inside the equipment, affecting subsequent testing. Therefore, it is necessary to provide a sludge settling ratio analyzer that can achieve high-precision testing and optimized flushing and drainage functions. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this utility model provides a sludge settling ratio detector, which solves the problems of insufficient detection accuracy and easy accumulation of residues after detection in some existing sludge settling ratio detectors.

[0005] A sludge settling ratio detector includes a housing and a PLC processor disposed on the outside of the housing. The housing contains a measuring instrument and a camera connected to the PLC processor, located on the side of the measuring instrument. The measuring instrument contains two sensors connected to the PLC processor, positioned at the bottom and top of the instrument, respectively. The bottom of the measuring instrument has an inlet and outlet, connected to an inlet and outlet pipe. The inlet and outlet pipe has a fourth valve and a fifth valve. The top of the measuring instrument is connected to an inlet pipe and an air pipe. The inlet pipe is connected to... The water supply is equipped with a seventh valve. The air pipe is connected to a first branch pipe and a second branch pipe. The first branch pipe is connected to high-pressure air, and a sixth valve and a first valve are respectively installed on the first branch pipe from the side closer to the air pipe to the side farther away from the air pipe. The second branch pipe is respectively equipped with a filter and a vacuum generator from the side closer to the air pipe to the side farther away from the air pipe. A third valve is installed between the vacuum generator and the filter. The vacuum generator is also connected to the sixth valve and the first valve of the first branch pipe through a connecting pipe, and a second valve is installed on the connecting pipe.

[0006] Preferably, the vacuum generating device is a vacuum pump, and the vacuum pump is connected to a silencer. Preferably, the ends of the water inlet and outlet pipes are L-shaped.

[0007] Preferably, it also includes a camera light, which is located above the camera.

[0008] Furthermore, it also includes a reflector, which is disposed opposite to the camera and the measuring instrument is located between the camera and the reflector.

[0009] Preferably, it includes a touch screen display, which is connected to the PLC processor.

[0010] Preferably, the sensor is a water level detection sensor.

[0011] Preferably, the measuring tool is a transparent measuring tool.

[0012] Preferably, the device housing is provided with a door on both the front and rear sides, and the door on the front side is provided with a transparent window.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This invention provides a sludge settling ratio analyzer, which monitors and captures sludge level data in real time using a camera, and uploads the captured data to a PLC processor for storage, ensuring high accuracy and data traceability. Through a top inlet pipe and bottom inlet / outlet design, combined with multiple valves, a vacuum generator, and high-pressure air, it achieves a complete automatic operation process of water intake, settling, rinsing, and drainage. In particular, the use of high-pressure air pulse washing combined with tap water rinsing enables deep cleaning of the measuring instruments, significantly improving equipment cleaning efficiency and preventing the accumulation of residues on the instruments from affecting subsequent testing. Simultaneously, the analyzer can flexibly adjust testing parameters according to actual needs, meeting the requirements of high-frequency, long-term continuous testing, greatly improving the automation level of sludge settling and reducing manual operation costs. Therefore, this sludge settling ratio analyzer has multiple advantages, including high measurement accuracy and efficient deep cleaning after testing, significantly improving the efficiency and accuracy of sludge settling ratio testing and reducing manual operation costs. Attached Figure Description

[0015] Figure 1 This is a partial structural schematic diagram of the sludge settling ratio detector described in this utility model;

[0016] Figure 2 This is a schematic diagram of the front and rear view of the device housing of this utility model.

[0017] in:

[0018] 1-Device housing, 10-Measuring tool, 20-Camera, 30-Sensor, 40-Inlet / outlet, 50-Inlet / drain pipe, 60-Inlet pipe, 70-Air pipe, 80-Filter, 90-Vacuum generator, 11-Fourth valve, 12-Fifth valve, 13-Seventh valve, 14-Sixth valve, 15-First valve, 16-Third valve, 17-Second valve, 71-First branch pipe, 72-Second branch pipe, 73-Connecting pipe, 91-Silencer, 92-Photographing light, 18-Opening door, 19-Transparent window. Detailed Implementation

[0019] The embodiments described below are merely some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0020] See Figure 1 as well as Figure 2This embodiment provides a sludge settling ratio detector, comprising a device housing 1 and a PLC processor disposed outside the device housing. The device housing 1 contains a measuring instrument 10 and a camera 20 disposed on the side of the measuring instrument 10 and connected to the PLC processor. The measuring instrument 10 contains two sensors 30 connected to the PLC processor, respectively disposed at the bottom and top of the measuring instrument 10. The bottom of the measuring instrument 10 has an inlet / outlet 40 connected to an inlet / outlet pipe 50. The inlet / outlet pipe 50 is equipped with a fourth valve 11 and a fifth valve 12. The top of the measuring instrument 10 is connected to an inlet pipe 60 and an air pipe 70. The inlet pipe 60 is connected to a tap water supply and is equipped with… A seventh valve 13 is provided. The air pipe 70 is connected to a first branch pipe 71 and a second branch pipe 72. The first branch pipe 71 is connected to high-pressure air, and a sixth valve 14 and a first valve 15 are respectively provided on the first branch pipe 71 from the side closer to the air pipe 70 to the side farther away from the air pipe 70. A filter 80 and a vacuum generator 90 are respectively provided on the second branch pipe 72 from the side closer to the air pipe 70 to the side farther away from the air pipe 70. A third valve 16 is provided between the vacuum generator 90 and the filter 80. The vacuum generator 90 is also connected between the sixth valve 14 and the first valve 15 of the first branch pipe 71 through a connecting pipe 73. A second valve 17 is provided on the connecting pipe 73.

[0021] Preferably, the vacuum generating device 90 is a vacuum pump, and a silencer 91 is connected to the vacuum pump. By using a vacuum pump as the vacuum generating device 90, a vacuum state can be quickly and effectively achieved within the measuring instrument 10, thereby ensuring the smooth flow of wastewater and the uniformity of the water sample. The connected silencer 91 significantly reduces the noise generated by the vacuum pump during operation, optimizing the environmental experience during equipment operation and improving the comfort and practicality of equipment use.

[0022] Preferably, the end of the inlet / outlet pipe 50 (the end serving as the sampling port) is L-shaped. Setting it to L-shape changes the traditional vertical sampling port (perpendicular to the water surface) to a 90-degree underwater right-angle sampling port (parallel to the water surface), effectively reducing interference from floating sludge and preventing surface sludge from entering the measuring instrument 10, thus ensuring the representativeness and purity of the sample. By optimizing the sampling port structure, the accuracy of the sludge settling ratio measurement results is significantly improved, especially suitable for wastewater treatment scenarios with a large amount of floating sludge, providing more reliable data support for the optimized control of wastewater treatment processes.

[0023] Preferably, the system also includes a photographing light 92, which is positioned above the camera 20. The photographing light 92 provides uniform light source compensation to the camera 20, ensuring that the captured mud level height image is clear and legible, and improving the accuracy and stability of data acquisition. Furthermore, the system also includes a reflector, which is positioned opposite the camera 20, with the measuring instrument 10 located between the camera 20 and the reflector. The reflector effectively reflects light, further enhancing the lighting conditions inside the measuring instrument 10 and reducing shadows or reflection interference caused by insufficient light. The combined design of the photographing light 92 and the reflector significantly improves image quality under complex lighting conditions, providing a reliable guarantee for subsequent image processing and mud level height analysis.

[0024] Preferably, the device includes a touchscreen display connected to the PLC processor. The touchscreen display makes device operation more intuitive and convenient, allowing users to view the device's operating status, detection data, and historical records in real time via the touch interface. Simultaneously, the touchscreen display also supports parameter setting functions, such as settling time, cleaning time, and interval time, allowing users to flexibly adjust the device's operating parameters according to actual needs. Therefore, it enhances the device's intelligence level, reduces the complexity of manual operation, and is suitable for sludge settling ratio detection needs in various application scenarios.

[0025] Preferably, the sensor 30 is a water level detection sensor 30. It is used to detect the inlet water data and the drainage data after cleaning. By setting water level detection sensors 30 at the top and bottom of the measuring vessel 10, when the top sensor 30 detects that the inlet water has reached the set high water level, the relevant valve is closed, the water intake is stopped, and the settling stage begins; when the bottom sensor 30 detects that the water in the measuring vessel 10 has been drained, the drainage valve is closed, and the cleaning or drainage operation is stopped. This achieves accurate detection of the water intake and drainage process, avoids human error or errors in liquid level control, and further improves the operating efficiency and automation level of the detector.

[0026] Furthermore, the second valve 17, the third valve 16, the fourth valve 11, the fifth valve 12, the sixth valve 14, and the seventh valve 13 are all connected to the PLC processor, while the first valve 15 is a manual valve. Through the unified management of the second valve 17, the third valve 16, the fourth valve 11, the fifth valve 12, the sixth valve 14, and the seventh valve 13 by the PLC processor, the opening and closing of each valve can be precisely controlled based on the data collected by the sensor 30. This achieves automated operation of various stages such as water intake, cleaning, and drainage, significantly improving the reliability and efficiency of equipment operation. It should be noted that the closing of the valves based on the data from the sensor 30 does not involve any improvement to the computer; it is simply a matter of control. The first valve 15 is designed as a manual valve to manually control the on / off of high-pressure air.

[0027] Preferably, the measuring instrument 10 is a transparent measuring instrument 10, which is provided with scale lines to facilitate the shooting of the camera 20. Preferably, both the front and rear sides of the device housing 1 are provided with an opening door 18, and the front opening door 18 is provided with a transparent window 19. Through the transparent window 19, the operator can understand the working progress inside the equipment in real time without frequently opening the housing, reducing interference with the operation of the equipment, and improving the safety and efficiency of operation. The rear opening door 18 facilitates the maintenance and cleaning of the equipment, providing a more convenient operating experience.

[0028] This utility model provides a sludge settling ratio detector. The steps for using the detector are as follows:

[0029] 1. Cleaning before sampling (choose any of the following cleaning methods)

[0030] Method 1: High-pressure air cleaning

[0031] Open the first valve 15 and the sixth valve 14 to start the high-pressure air cleaning function.

[0032] High-pressure air passes through the sampling port (i.e., the pipe opening of the water inlet and drain pipe 50) and the surrounding area of ​​the water inlet and drain pipe 50 to remove surface impurities, ensure cleanliness, and avoid impurities affecting the measurement results.

[0033] Method 2: Cleaning with a combination of high-pressure air and tap water;

[0034] Open the first valve 15 and the sixth valve 14, and simultaneously open the seventh valve 13.

[0035] High-pressure air and tap water work together to clean the sampling port and its surrounding area, ensuring thorough cleaning to avoid impurities affecting the test results.

[0036] 2. Water intake stage

[0037] 2.1 Valve control and water inlet

[0038] Open the first valve 15, the second valve 17, the third valve 16, and the fourth valve 11.

[0039] Start the vacuum generator 90 to generate negative pressure, and the water inlet and outlet pipes 50 will start to draw water and deliver the water to the measuring instrument 10.

[0040] 2.2 Water Level Monitoring and Water Outage

[0041] The water level sensor 30 monitors the water level of the measuring instrument 10. When the water level reaches a high level (sensed by the top sensor 30), the first valve 15, the second valve 17, the third valve 16, and the fourth valve 11 are closed.

[0042] 2.3 Sedimentation Stage

[0043] Start timing. Set the settling time according to the actual situation, usually 30 minutes.

[0044] After the settling time is reached, camera 20 begins to capture water samples inside measuring instrument 10 and records the mud level height. The PLC processor receives and saves the data captured by camera 20, including measurement time, measured mud level height, etc., and can be viewed and recorded via touch screen.

[0045] 3. Rinsing stage

[0046] 3.1 Rinse with tap water

[0047] Open the fifth valve 12 and the seventh valve 13, and tap water enters from the inlet pipe 60 to clean the inside of the measuring instrument 10.

[0048] The rinsing time should be set according to actual needs to ensure that the inner surface of the measuring instrument 10 is clean.

[0049] 3.2 High-pressure air pulse gas washing

[0050] During the tap water rinsing process, the first valve 15 and the sixth valve 14 are intermittently opened. High-pressure air enters the measuring instrument 10 through the first branch pipe 71 and the air pipe 70 for pulse air rinsing. The pulse air rinsing time is set according to actual needs. After cleaning is completed, the seventh valve 13 is closed, and the tap water supply stops.

[0051] 4. Drainage Stage

[0052] 4.1 High-pressure drainage

[0053] First valve 15, fifth valve 12, and sixth valve 14 are opened. High-pressure air enters the measuring instrument 10, pressurizing the water inside and quickly expelling it.

[0054] 4.2 Water Level Detection

[0055] The sensor 30 at the bottom detects whether the water in the measuring instrument 10 has been drained, ensuring complete drainage. When the sensor 30 at the bottom detects that there is no water in the measuring instrument 10, it closes the relevant valve, ending the drainage operation.

[0056] 5. Waiting Phase

[0057] After closing all valves and completing one settling operation, the equipment automatically records the number of operations and enters an interval waiting phase. The time is set according to actual needs, and the next settling phase begins after the time is up.

[0058] This invention provides a sludge settling ratio detector, which uses a camera 20 to monitor and capture the sludge level in real time, and uploads the captured sludge level data to a PLC processor for analysis and storage, ensuring high accuracy and data traceability. Through the design of a top water inlet pipe 60 and bottom inlet / outlet 40, combined with multiple valves, a vacuum generator 90, and high-pressure air, a complete automatic operation process of water intake, settling, flushing, and drainage is achieved. In particular, the use of high-pressure air to achieve pulse air washing combined with tap water flushing enables deep cleaning of the measuring instrument 10, significantly improving the cleaning efficiency of the equipment and preventing the accumulation of residues on the measuring instrument 10 from affecting subsequent testing. Simultaneously, the detector can flexibly adjust the detection parameters according to actual needs, meeting the requirements of high-frequency, long-term continuous testing, greatly improving the automation level of sludge settling and reducing manual operation costs. Therefore, this sludge settling ratio detector has multiple advantages, including high measurement accuracy and efficient deep cleaning after testing, significantly improving the efficiency and accuracy of sludge settling ratio detection and reducing manual operation costs.

[0059] The above-disclosed embodiments are merely some preferred embodiments of the present utility model, and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent changes made in accordance with the scope of the present utility model patent application shall still fall within the scope of the present utility model.

Claims

1. A sludge settling ratio detector, comprising a device housing and a PLC processor disposed outside the device housing, wherein a measuring instrument and a camera disposed on the side of the measuring instrument and connected to the PLC processor are disposed inside the device housing, characterized in that: The measuring instrument is equipped with two sensors connected to the PLC processor. The two sensors are respectively located at the bottom and top of the measuring instrument. The bottom of the measuring instrument has an inlet and outlet, which are connected to an inlet and outlet pipe. The inlet and outlet pipe is equipped with a fourth valve and a fifth valve. The top of the measuring instrument is connected to an inlet pipe and an air pipe. The inlet pipe is connected to tap water and is equipped with a seventh valve. The air pipe is connected to a first branch pipe and a second branch pipe. The first branch pipe is connected to high-pressure air, and a sixth valve and a first valve are respectively installed on the first branch pipe from the side closer to the air pipe to the side farther away from the air pipe. The second branch pipe is equipped with a filter and a vacuum generator from the side closer to the air pipe to the side farther away from the air pipe. A third valve is installed between the vacuum generator and the filter. The vacuum generator is also connected to the sixth valve and the first valve of the first branch pipe through a connecting pipe, and a second valve is installed on the connecting pipe.

2. The sludge settling ratio detector as described in claim 1, characterized in that, The vacuum generating device is a vacuum pump, and a silencer is connected to the vacuum pump.

3. The sludge settling ratio detector as described in claim 1, characterized in that, The ends of the water inlet and outlet pipes are L-shaped.

4. The sludge settling ratio detector as described in claim 1, characterized in that, It also includes a camera light, which is positioned above the camera.

5. The sludge settling ratio detector as described in claim 4, characterized in that, It also includes a reflector, which is positioned opposite the camera and the measuring instrument is located between the camera and the reflector.

6. The sludge settling ratio detector as described in claim 1, characterized in that, It includes a touch screen display, which is connected to the PLC processor.

7. The sludge settling ratio detector as described in claim 1, characterized in that, The sensor is a water level detection sensor.

8. The sludge settling ratio detector as described in claim 1, characterized in that, The measuring tool is a transparent measuring tool.

9. The sludge settling ratio detector as described in claim 1, characterized in that, The device housing is provided with a door on both the front and rear sides, and the front door is provided with a transparent window.

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