Sludge concentration monitoring device

Abstract

The invention relates to the technical field of sludge concentration monitoring, and discloses a sludge concentration monitoring device which comprises a sludge pipe and a detector, a detection sampling mechanism is mounted on the sludge pipe, an extraction assembly is mounted on the detection sampling mechanism, and the detector is mounted on the extraction assembly; the detecting and sampling mechanism comprises a transferring assembly, a collecting assembly, a limiting pipe, a steering assembly, a limiting assembly and a sampling assembly, the transferring assembly is installed on the sludge pipe, the collecting assembly is installed on the inner side of the transferring assembly, the limiting pipe is installed on the transferring assembly, the steering assembly is installed on the limiting pipe, and the sampling assembly is installed on the limiting assembly. Through the arrangement of the detection sampling mechanism, sampling at any time is achieved, layered sampling is achieved, the detection accuracy can be improved through multiple times of detection, whether the water quality in the sludge pipe is uniform or not can be judged, the sewage detection effect of the device is improved, operation is easy, and time and labor are saved.

Description

Technical Field

[0001] The invention relates to the technical field of sludge concentration monitoring, in particular to a sludge concentration monitoring device. Background Art

[0002] Sludge concentration is the number of milligrams of net weight of dry sludge per unit volume of suspended mixed sludge in the aeration zone of the activated sludge process. It is an important parameter of the MBR system, which not only affects the removal capacity of organic matter, but also affects the membrane flux. Many studies have shown that sludge concentration and soluble microbial products are important parameters affecting membrane flux.

[0003] Traditional sludge concentration monitoring is cumbersome during sampling, and the sewage quality at different depths is not necessarily consistent, which affects the detection effect.

[0004] In order to solve the above problems, a sludge concentration monitoring device is proposed in the present application. Summary of the invention

[0005] The object of the present invention is to provide a sludge concentration monitoring device to solve the problems in the prior art mentioned in the above background technology that the sampling operation is complicated and the sewage quality is inconsistent, thus affecting the detection effect.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A sludge concentration monitoring device comprises a sludge pipe and a detector, wherein the sludge pipe is provided with a detection sampling mechanism, the detection sampling mechanism is provided with an extraction component, and the extraction component is provided with a detector;

[0008] The detection and sampling mechanism includes a transfer component, a collection component, a limit tube, a steering component, a limit tube and a sampling component. The transfer component is installed on the sludge pipe, the collection component is installed on the inside of the transfer component, the limit tube is installed on the transfer component, the steering component is installed on the limit tube, the limit tube is installed on the limit tube, and the sampling component is installed on the limit tube.

[0009] Furthermore, the transfer assembly includes a contact tube and a sealing sleeve. A connecting hole is provided at the bottom end of the sludge tube. The sealing sleeve is fixedly connected to the inner wall of the connecting hole. The contact tube is fixedly connected to the outer side of the sealing sleeve. An entry groove is provided at the right end of the contact tube.

[0010] Furthermore, the collecting assembly includes a collecting tube, a top plate, a sealing block, a limiting rod, a bottom plate and a side block; the collecting tube is slidably connected to the inner side of the contact tube; a collecting groove is provided on the outer side of the collecting tube; the top end of the outer side of the collecting tube is fixedly connected to the top plate; the limiting rod is slidably connected to the inner side of the top plate; the sealing block is fixedly connected to the top end of the limiting rod; the right end of the sealing block is fixedly connected to the side block; the movement trajectory of the side block is linear; the sealing sleeve is arranged on the movement trajectory of the side block; and the bottom end of the collecting tube is fixedly connected to the bottom plate.

[0011] Furthermore, the limiting rod passes through the top surface of the collecting tube, and the outer side of the limiting rod is connected to the collecting tube.

[0012] Furthermore, the steering assembly includes a rotating rod, a connecting rod, a worm wheel, a worm, a bracket, a motor, a battery and a button. The bottom end of the base plate is fixedly connected to the rotating rod, and the bottom end of the rotating rod is rotatably connected to the connecting rod via a rotating shaft. A shifting groove is provided at the right end of the limiting tube, and the outer side of the connecting rod is slidably connected to the shifting groove. The outer side of the rotating rod is fixedly connected to the worm wheel, the front end surface of the worm wheel is fixedly connected to the worm, the left end of the worm is fixedly connected to the motor, the bottom end of the motor is fixedly connected to the connecting rod, the top end of the connecting rod is fixedly connected to the battery, and the top end of the connecting rod is fixedly connected to the button.

[0013] Furthermore, the limiting assembly includes a spring seat, a stop block and a spring. The right end of the limiting tube is fixedly connected to the spring seat. A spring groove is provided on the inner side of the spring seat. The stop block is slidably connected to the inner wall of the spring groove. The spring is fixedly connected between the rear end surface of the stop block and the inner wall of the spring groove.

[0014] Furthermore, the front end surface of the stopper is arranged in an inclined shape, the movement trajectory of the connecting rod is a straight line, the stopper is arranged on the movement trajectory of the connecting rod, and the outer side of the connecting rod is slidably connected to the stopper.

[0015] Furthermore, the sampling assembly includes a discharge pipe, a piston tube, a sealing ring and a handle. The left end of the limiting tube is provided with three discharge holes from top to bottom in sequence. The inner wall of the discharge hole is fixedly connected to the discharge pipe, the inner side of the discharge pipe is slidably connected to the piston tube, a collecting groove is provided on the inner side of the piston tube, the right end of the discharge pipe is fixedly connected to the sealing ring, the outer side of the sealing ring is frictionally connected to the inner side of the discharge pipe, the inner wall of the discharge pipe is square, the outer side of the piston tube is in contact with the inner wall of the discharge pipe, and the handle is fixedly connected to the left end of the piston tube.

[0016] Furthermore, the extraction component includes a pump body, an input pipe and an output pipe. The pump body is installed on the sampling component, the input pipe is installed at the input end of the pump body, and the output pipe is installed at the output end of the pump body.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention realizes sampling at any time and stratified sampling through the detection sampling mechanism. Multiple detections can improve the accuracy of detection. Secondly, it can determine whether the water quality in the sludge pipe is uniform, thereby improving the detection effect of the device on sewage. The operation is simple, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a sludge concentration monitoring device of the present invention;

[0020] Figure 2 It is a schematic diagram of the installation structure of a transfer component of a sludge concentration monitoring device of the present invention;

[0021] Figure 3 It is a schematic diagram of the installation structure of a collecting component of a sludge concentration monitoring device of the present invention;

[0022] Figure 4 A top view of the installation structure of a collecting pipe of a sludge concentration monitoring device of the present invention;

[0023] Figure 5 It is a schematic diagram of the installation structure of a steering assembly of a sludge concentration monitoring device of the present invention;

[0024] Figure 6 It is a schematic diagram of the installation structure of a limit assembly of a sludge concentration monitoring device of the present invention;

[0025] Figure 7 It is a schematic diagram of the installation structure of a sampling component of a sludge concentration monitoring device of the present invention;

[0026] Figure 8 It is a schematic diagram of the installation structure of an extraction component of a sludge concentration monitoring device of the present invention;

[0027] In the figure:

[0028] 1. Sludge pipe;

[0029] 2. Detection and sampling mechanism; 21. Transfer assembly; 211. Contact tube; 212. Sealing sleeve; 22. Collection assembly; 221. Collection tube; 222. Top plate; 223. Sealing block; 224. Limit rod; 225. Bottom plate; 226. Side block; 23. Limit tube; 24. Steering assembly; 241. Turning rod; 242. Connecting rod; 243. Worm gear; 244. Worm; 245. Bracket; 246. Motor; 247. Battery; 248. Button; 25. Limit assembly; 251. Spring seat; 252. Stopper; 253. Spring; 26. Sampling assembly; 261. Discharge tube; 262. Piston tube; 263. Sealing ring; 264. Handle;

[0030] 3. Detector;

[0031] 4. Extraction assembly; 41. Pump body; 42. Inlet pipe; 43. Outlet pipe. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] The standard parts used in this application can all be purchased from the market, and special-shaped parts can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, and bonding in the existing technology, and the components used for circuit connection are all conventional models in the existing technology.

[0034] At the same time, in order to clearly express the connection relationship and working principle between the components and highlight the key points, the drawings in the specification are organized and drawn in the form of simple diagrams. One simple diagram can correspond to a variety of materials and actual external structural shapes.

[0035] See also Figure 1-Figure 4 The present invention provides a technical solution: a sludge concentration monitoring device, comprising a sludge pipe 1 and a detector 3, the sludge pipe 1 is equipped with a detection sampling mechanism 2, the detection sampling mechanism 2 is equipped with an extraction component 4, and the extraction component 4 is equipped with a detector 3;

[0036] The detection sampling mechanism 2 includes a transfer component 21, a collection component 22, a limit tube 23, a steering component 24, a limit component 25 and a sampling component 26. The transfer component 21 is installed on the sludge pipe 1, the collection component 22 is installed inside the transfer component 21, the limit tube 23 is installed on the transfer component 21, the steering component 24 is installed on the limit tube 23, the limit tube 23 is installed with a limit component 25, and the sampling component 26 is installed on the limit tube 23. The sludge and sewage flow direction in the sludge pipe 1 should be from right to left. The contact tube 211 is installed on the sludge pipe 1, and the connection between the contact tube 211 and the sludge pipe 1 is sealed by the sealing sleeve 212, and then the connecting rod 242 is pushed upward so that the connecting rod 242 drives the bottom plate 225 upward through the rotating rod 241. The bottom plate 225 drives the collecting pipe 221 upward. The collecting pipe 221 opens to the left first. Then, by pressing the button 248, the motor 246 is controlled to rotate forward. Then, the motor 246 drives the worm 244 to rotate on the bracket 245. The bracket 245 drives the worm gear 243 to rotate. The worm gear 243 drives the rotating rod 241 to rotate on the connecting rod 242. The rotation of the rotating rod 241 drives the bottom plate 225 to rotate. The bottom plate 225 drives the collecting pipe 221 to rotate. The collecting slot of the collecting pipe 221 opens to the right. The sewage flows from right to left. The collecting pipe 221 will be filled with sewage. Then, by pressing the button 248 again, the collecting pipe 221 is driven to rotate so that the collecting slot opens to the left and the collecting pipe 221 fits with the inner wall of the contact pipe 211. At this time, the button 248 is pressed. The stopper 252 is retracted into the spring seat 251, and then the connecting rod 242 slides downward, the connecting rod 242 drives the rotating rod 241 downward and then drives the collecting tube 221 downward, the collecting tube 221 slides downward in the contact tube 211 so that the collecting tube 221 enters the limiting tube 23, and then the sealing block 223 passes through the limiting position of the limiting rod 224, and the sealing block 223 falls under the gravity, and the sealing block 223 blocks the port of the contact tube 211 entering the limiting tube 23, and the side block 226 falls on the sealing sleeve 212, and the sampling operation is completed at this time, and then the pull handle 264 is pushed in the discharge tube 261 to drive the piston tube 262 to move to the right, so that the piston tube 262 enters the collecting tube 221, so that the material in the collecting tube 221 enters the piston tube 262, and the left end of the piston tube 262 The piston tube 262 moves to the left, so that the pull handle 264 enters the discharge pipe 261, and the pull handle 264 blocks the right end of the discharge pipe 261. The upper, middle and lower piston tubes 262 respectively sample the upper, middle and lower parts of the sample in the collection tube 221. Then the pump body 41 is operated, and the handheld input tube 42 sends the sample in any piston tube 262 to the detector 3 through the sealing ring 263. The detector 3 performs the detection operation to realize sampling at any time and layered sampling. Multiple detections can improve the accuracy of the detection. Secondly, it can determine whether the water quality in the sludge pipe 1 is uniform, thereby improving the detection effect of the device on sewage. The operation is simple, and time and labor are saved.

[0037] The transfer assembly 21 includes a contact tube 211 and a sealing sleeve 212. A connecting hole is provided at the bottom end of the sludge tube 1. The sealing sleeve 212 is fixedly connected to the inner wall of the connecting hole. The contact tube 211 is fixedly connected to the outer side of the sealing sleeve 212. An inlet groove is provided at the right end of the contact tube 211. The sludge and sewage in the sludge tube 1 should flow from right to left. The contact tube 211 is installed on the sludge tube 1, and the connection between the contact tube 211 and the sludge tube 1 is sealed by the sealing sleeve 212.

[0038] The collecting assembly 22 comprises a collecting tube 221, a top plate 222, a sealing block 223, a limiting rod 224, a bottom plate 225 and a side block 226. The collecting tube 221 is slidably connected to the inner side of the contact tube 211. A collecting groove is provided on the outer side of the collecting tube 221. The top end of the outer side of the collecting tube 221 is fixedly connected to the top plate 222. The inner side of the top plate 222 is slidably connected to the limiting rod 224. The top end of the limiting rod 224 is fixedly connected to the sealing block 223. The right end of the sealing block 223 is fixedly connected to the side block 226. The motion trajectory of the side block 226 is linear. The sealing sleeve 212 is arranged on the motion trajectory of the side block 226. The bottom end of the collecting pipe 221 is fixedly connected with a bottom plate 225, and the limiting rod 224 passes through the top surface of the collecting pipe 221. The outer side of the limiting rod 224 is connected to the collecting pipe 221. The connecting rod 242 drives the rotating rod 241 downward and then drives the collecting pipe 221 downward. The collecting pipe 221 slides downward in the contact pipe 211 so that the collecting pipe 221 enters the limiting pipe 23, and then the sealing block 223 is limited by the limiting rod 224, and the sealing block 223 falls due to gravity. The sealing block 223 blocks the port of the contact pipe 211 entering the limiting pipe 23, and the side block 226 falls on the sealing sleeve 212. At this time, the sampling operation is completed.

[0039] The steering assembly 24 includes a rotating rod 241, a connecting rod 242, a worm wheel 243, a worm 244, a bracket 245, a motor 246, a battery 247 and a button 248. The bottom end of the bottom plate 225 is fixedly connected to the rotating rod 241, and the bottom end of the rotating rod 241 is rotatably connected to the connecting rod 242 through a rotating shaft. A shifting groove is provided at the right end of the limiting tube 23, and the outer side of the connecting rod 242 is slidably connected to the shifting groove. The outer side of the rotating rod 241 is fixedly connected to the worm wheel 243, and the front end surface of the worm wheel 243 is fixedly connected to the worm 244. The left end of the worm 244 is fixedly connected to the motor 246, and the bottom end of the motor 246 is fixedly connected to the connecting rod 242. The top of the connecting rod 242 is fixedly connected to the battery 247, and the top of the connecting rod 242 is fixedly connected to the button 248. The collecting tube 221 First, the opening is to the left, and then the button 248 is pressed to control the motor 246 to rotate forward. Then the motor 246 drives the worm 244 to rotate on the bracket 245, and the bracket 245 drives the worm wheel 243 to rotate. The worm wheel 243 drives the rotating rod 241 to rotate on the connecting rod 242. The rotation of the rotating rod 241 drives the bottom plate 225 to rotate, and the bottom plate 225 drives the collecting pipe 221 to rotate. The collecting trough of the collecting pipe 221 opens to the right, and the sewage flows from right to left. The collecting pipe 221 will be filled with sewage, and then the button 248 is pressed again to drive the collecting pipe 221 to rotate, so that the collecting trough opens to the left, and the collecting pipe 221 is fitted with the inner wall of the contact tube 211. At this time, the stopper 252 is pressed down to retract the spring seat 251, and then the connecting rod 242 is slid downward.

[0040] The limiting assembly 25 includes a spring seat 251, a stopper 252 and a spring 253. The right end of the limiting tube 23 is fixedly connected to the spring seat 251. A spring groove is provided inside the spring seat 251. The inner wall of the spring groove is slidably connected to the stopper 252. A spring 253 is fixedly connected between the rear end face of the stopper 252 and the inner wall of the spring groove. The front end face of the stopper 252 is arranged in an inclined shape. The movement trajectory of the connecting rod 242 is a straight line. The stopper 252 is arranged on the movement trajectory of the connecting rod 242. The outer side of the connecting rod 242 is slidably connected to the stopper 252. After the sampling is completed, the connecting rod 242 is pushed upward to drive the collecting tube 221 to reset. The connecting rod 242 passes through the stopper 252 and presses the stopper 252 into the spring seat 251. After the connecting rod 242 is sent to the top of the stopper 252, the spring 253 pushes the stopper 252 to reset, so that the stopper 252 limits and supports the connecting rod 242, thereby completing the fixation of the connecting rod 242.

[0041] The sampling assembly 26 includes a discharge tube 261, a piston tube 262, a sealing ring 263 and a handle 264. The left end of the limiting tube 23 is provided with three discharge holes from top to bottom. The inner wall of the discharge hole is fixedly connected to the discharge tube 261, and the inner side of the discharge tube 261 is slidably connected to the piston tube 262. A collecting groove is provided inside the piston tube 262. The right end of the discharge tube 261 is fixedly connected to the sealing ring 263, and the outer side of the sealing ring 263 is frictionally connected to the inner side of the discharge tube 261. The inner wall of the discharge tube 261 The outer side of the piston tube 262 fits with the inner side wall of the discharge tube 261. The left end of the piston tube 262 is fixedly connected with a pull handle 264. The extraction component 4 includes a pump body 41, an input tube 42 and an output tube 43. The pump body 41 is installed on the sampling component 26. The input end of the pump body 41 is installed with the input tube 42, and the output end of the pump body 41 is installed with the output tube 43. The collection tube 221 slides downward in the contact tube 211 so that the collection tube 221 enters the limit tube 23 to complete the sampling operation. Then, the handle 264 is pushed in the discharge pipe 261 to drive the piston tube 262 to move to the right, so that the piston tube 262 enters the collection pipe 221, so that the material in the collection pipe 221 enters the piston tube 262, and the left end of the piston tube 262 completely enters the discharge pipe 261, so that the discharge pipe 261 will not overflow with sewage, and then the handle 264 is pulled to drive the piston tube 262 to move to the left, and the piston tube 262 moves to the left so that the handle 264 enters the discharge pipe 261, and the handle 264 moves the right end of the discharge pipe 261 The upper, middle and lower piston tubes 262 are sealed and respectively sample the upper, middle and lower parts of the sample in the collection tube 221. Then the pump body 41 is operated, and the handheld input tube 42 sends the sample in any piston tube 262 to the detector 3 through the sealing ring 263. The detector 3 performs the detection operation to realize sampling at any time and stratified sampling. Multiple detections can improve the accuracy of the detection. Secondly, it can be determined whether the water quality in the sludge pipe 1 is uniform, thereby improving the detection effect of the device on sewage. The operation is simple, saving time and effort.

[0042] Working principle:

[0043] When the device is in use, the sludge and sewage in the sludge pipe 1 should flow from right to left, the contact pipe 211 is installed on the sludge pipe 1, the connection between the contact pipe 211 and the sludge pipe 1 is sealed by the sealing sleeve 212, and then the connecting rod 242 is pushed upward, so that the connecting rod 242 drives the bottom plate 225 upward through the rotating rod 241, and the bottom plate 225 drives the collecting pipe 221 upward, and the collecting pipe 221 first opens to the left, and then the button 248 is pressed to control the motor 246 to rotate forward, and then the motor 246 drives the worm 244 to rotate on the bracket 245, the bracket 245 drives the worm wheel 243 to rotate, the worm wheel 243 drives the rotating rod 241 to rotate on the connecting rod 242, the rotating rod 241 rotates to drive the bottom plate 225 to rotate, the bottom plate 225 drives the collecting pipe 221 to rotate, and the collecting pipe 221 is opened to the left first. The collecting tank opening of 221 faces the right side, and the sewage flows from right to left. The collecting tube 221 will be filled with sewage. Then, by pressing the button 248 again, the collecting tube 221 is driven to rotate, so that the collecting tank opening faces the left side, and the collecting tube 221 is fitted with the inner wall of the contact tube 211. At this time, the stopper 252 is pressed down to retract the spring seat 251, and then the connecting rod 242 is slid downward. The connecting rod 242 drives the rotating rod 241 downward and then drives the collecting tube 221 downward. The collecting tube 221 slides downward in the contact tube 211 so that the collecting tube 221 enters the limiting tube 23. Then, the sealing block 223 passes through the limiting position of the limiting rod 224, and the sealing block 223 falls under gravity. The sealing block 223 blocks the port of the contact tube 211 entering the limiting tube 23, and the side block 226 falls on the sealing sleeve 212. At this time, the sampling operation is completed;

[0044] Then, the handle 264 is pushed in the discharge pipe 261 to drive the piston tube 262 to move to the right, so that the piston tube 262 enters the collection pipe 221, so that the material in the collection pipe 221 enters the piston tube 262, and the left end of the piston tube 262 completely enters the discharge pipe 261, so that the discharge pipe 261 will not overflow with sewage, and then the handle 264 is pulled to drive the piston tube 262 to move to the left, and the piston tube 262 moves to the left so that the handle 264 enters the discharge pipe 261, and the handle 264 moves the discharge pipe 261 to the right. The ends are sealed, and the upper, middle and lower piston tubes 262 respectively sample the upper, middle and lower parts of the sample in the collection tube 221, and then the pump body 41 is operated, and the hand-held input tube 42 sends the sample in any piston tube 262 to the detector 3 through the sealing ring 263. The detector 3 performs the detection operation to realize sampling at any time and layered sampling. Multiple detections can improve the accuracy of the detection. Secondly, it can be determined whether the water quality in the sludge pipe 1 is uniform, thereby improving the detection effect of the device on sewage. The operation is simple, saving time and effort.

Claims

1. A sludge concentration monitoring device, characterized in that: It comprises a sludge pipe (1) and a detector (3), wherein the sludge pipe (1) is provided with a detection sampling mechanism (2), the detection sampling mechanism (2) is provided with an extraction component (4), and the extraction component (4) is provided with a detector (3); The detection sampling mechanism (2) comprises a transfer component (21), a collection component (22), a position limiting tube (23), a steering component (24), a position limiting component (25) and a sampling component (26); the transfer component (21) is installed on the sludge pipe (1); the collection component (22) is installed on the inner side of the transfer component (21); the position limiting tube (23) is installed on the transfer component (21); the steering component (24) is installed on the position limiting tube (23); the position limiting tube (25) is installed on the position limiting tube (23); and the sampling component (26) is installed on the position limiting tube (23).

2. A sludge concentration monitoring device according to claim 1, characterized in that: The transfer assembly (21) comprises a contact tube (211) and a sealing sleeve (212); a connection hole is provided at the bottom end of the sludge tube (1); the sealing sleeve (212) is fixedly connected to the inner wall of the connection hole; the contact tube (211) is fixedly connected to the outer side of the sealing sleeve (212); and an entry groove is provided at the right end of the contact tube (211).

3. A sludge concentration monitoring device according to claim 2, characterized in that: The collecting assembly (22) comprises a collecting tube (221), a top plate (222), a sealing block (223), a limiting rod (224), a bottom plate (225) and a side block (226); the collecting tube (221) is slidably connected to the inner side of the contact tube (211); a collecting groove is provided on the outer side of the collecting tube (221); the top end of the outer side of the collecting tube (221) is fixedly connected to the top plate (222); the inner side of the top plate (222) is slidably connected to the limiting rod (224); the top end of the limiting rod (224) is fixedly connected to the sealing block (223); the right end of the sealing block (223) is fixedly connected to the side block (226); the movement track of the side block (226) is linear; the sealing sleeve (212) is arranged on the movement track of the side block (226); and the bottom end of the collecting tube (221) is fixedly connected to the bottom plate (225).

4. A sludge concentration monitoring device according to claim 3, characterized in that: The limiting rod (224) passes through the top surface of the collecting tube (221), and the outer side of the limiting rod (224) is connected to the collecting tube (221).

5. A sludge concentration monitoring device according to claim 4, characterized in that: The steering assembly (24) comprises a rotating rod (241), a connecting rod (242), a worm wheel (243), a worm (244), a bracket (245), a motor (246), a battery (247) and a button (248); the bottom end of the bottom plate (225) is fixedly connected to the rotating rod (241); the bottom end of the rotating rod (241) is rotatably connected to the connecting rod (242) via a rotating shaft; a shifting groove is provided at the right end of the position limiting tube (23); the outer side of the connecting rod (242) is connected to the shifting groove The rotating rod (241) is slidably connected to the groove, the worm wheel (243) is fixedly connected to the outside of the rotating rod (241), the front end of the worm wheel (243) is fixedly connected to the worm (244), the left end of the worm (244) is fixedly connected to the motor (246), the bottom end of the motor (246) is fixedly connected to the connecting rod (242), the top end of the connecting rod (242) is fixedly connected to the battery (247), and the top end of the connecting rod (242) is fixedly connected to the button (248).

6. A sludge concentration monitoring device according to claim 5, characterized in that: The limiting assembly (25) comprises a spring seat (251), a stopper (252) and a spring (253); the right end of the limiting tube (23) is fixedly connected to the spring seat (251); a spring groove is provided inside the spring seat (251); the stopper (252) is slidably connected to the inner wall of the spring groove; and the spring (253) is fixedly connected between the rear end surface of the stopper (252) and the inner wall of the spring groove.

7. A sludge concentration monitoring device according to claim 6, characterized in that: The front end surface of the stopper (252) is arranged in an inclined shape, the movement trajectory of the connecting rod (242) is linear, the stopper (252) is arranged on the movement trajectory of the connecting rod (242), and the outer side of the connecting rod (242) is slidably connected to the stopper (252).

8. A sludge concentration monitoring device according to claim 7, characterized in that: The sampling assembly (26) includes a discharge tube (261), a piston tube (262), a sealing ring (263) and a handle (264). The left end of the limiting tube (23) is provided with three discharge holes from top to bottom in sequence. The inner wall of the discharge hole is fixedly connected to the discharge tube (261). The inner side of the discharge tube (261) is slidably connected to the piston tube (262). A collecting groove is provided on the inner side of the piston tube (262). The right end of the discharge tube (261) is fixedly connected to the sealing ring (263). The outer side of the sealing ring (263) is frictionally connected to the inner side of the discharge tube (261). The inner side wall of the discharge tube (261) is square in shape. The outer side of the piston tube (262) fits the inner side wall of the discharge tube (261). The left end of the piston tube (262) is fixedly connected to the handle (264).

9. A sludge concentration monitoring device according to claim 1, characterized in that: The extraction component (4) comprises a pump body (41), an input pipe (42) and an output pipe (43); the pump body (41) is installed on the sampling component (26); the input end of the pump body (41) is installed with the input pipe (42); and the output end of the pump body (41) is installed with the output pipe (43).

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