Sewage detection discharge system

Abstract

The application discloses a sewage detection and discharge system, which comprises a leach pond body communicated with a leachate drain pipe, a residue discharge mechanism arranged at a mud outlet of the bottom of the leach pond body, a dredging mechanism arranged at a discharge port of the middle part of the leach pond body, a sewage pond communicated with a water outlet end of the dredging mechanism, and a detection device arranged in the sewage pond; the detection device comprises a telescopic measuring mechanism arranged above the sewage pond, a liquid level measuring instrument coaxially arranged at the upper end of the telescopic measuring mechanism, and a lifting mechanism for driving the telescopic measuring mechanism to stretch and retract in the vertical direction. The application is provided with a baffle cover and an agitating device, which can periodically and orderly discharge the sediments and improve the discharge efficiency of the sediments; the dredging module is reciprocally opened and closed, which can discharge the floating objects and dynamically prevent the blockage caused by the accumulation of the floating objects; the lifting mechanism drives the telescopic measuring cylinder, which improves the efficiency of the liquid level measurement and is convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of garbage leachate treatment, and in particular to a sewage detection and discharge system. Background Art

[0002] Garbage leachate is a high-concentration organic wastewater with complex components. At the same time, the leachate also contains a large amount of impurities and waste. After filtration, a large amount of sediment and floating waste will be produced in the wastewater pool. If these sediments are not handled in time, the volume of the wastewater pool will be reduced, causing the wastewater pool to overflow before reaching the usable volume. At the same time, the floating objects will be brought out together with the overflow, which not only affects the environment but also poses a safety hazard in use. The liquid level measurement of the leachate is usually done by directly placing the measuring head of the level meter into the liquid to be measured through a connecting line or directly using an ultrasonic level meter to measure from outside the liquid surface. However, the connecting line may bend or swing to a certain extent, resulting in inaccurate measurement results; and the ultrasonic level meter may be affected by the large amount of floating dirt covering the surface of the leachate pool when measuring directly from above the liquid surface. These floating dirt have a certain thickness. When measuring the liquid level, the ultrasonic level meter will also measure the thickness of these dirt into the height of the leachate, thereby obtaining data that deviates from the accurate value, making it impossible for staff to grasp the true height of the leachate level, that is, it is impossible to control the leachate liquid level in the leachate pool within an appropriate range, which may cause dirt overflow. Summary of the Invention

[0003] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a sewage detection and discharge system that can not only discharge precipitated entrained matter in a timely manner and maintain the liquid storage volume, but also discharge floating matter in a timely manner and resolve blockages in a timely manner, while facilitating the measurement of the leachate level.

[0004] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a sewage detection and discharge system, including a leachate tank body connected to a leachate drainage pipe, a slag discharge mechanism arranged at a mud outlet trough at the bottom of the leachate tank body, a dredging mechanism arranged at a discharge port in the middle of the leachate tank body, a sewage tank connected to a water outlet end of the dredging mechanism, and a detection device arranged in the sewage tank; the slag discharge mechanism includes a shield arranged along the length direction of the mud outlet trough for carrying leachate and its entrained matter, and a stirring device arranged in the shield along the length direction of the shield, the two ends of the shield are rotatably arranged in the mud outlet trough by a first bracket and a second bracket respectively, the shield has an opening distributed along its length direction, the stirring device is used to stir up the entrained matter in the dredging leachate, and when the shield rotates, the clamp The objects are discharged through the stirring device and along the lower end of the mud outlet trough; the dredging mechanism includes an X-axis fixed rail group arranged at the discharge port of the infiltration tank, a dredging module slidably arranged on the X-axis fixed rail group and capable of opening and closing along the length direction of the X-axis fixed rail group, and a Y-axis movable rail group arranged above the X-axis fixed rail group. An inclined guide rail group is arranged on the Y-axis movable rail group at a position corresponding to the dredging module. The upper end of the dredging module is rotatably arranged in the inclined guide rail group so that it can be opened and closed along the length direction of the X-axis fixed rail group under the oblique reciprocating force of the inclined guide rail group; the measuring device includes a telescopic measuring mechanism mounted above the sewage tank, a liquid level measuring instrument coaxially arranged at the upper end of the telescopic measuring mechanism, and a lifting mechanism for driving the telescopic measuring mechanism to extend and retract in the vertical direction.

[0005] With the above structure, after the leachate flows into the leachate tank body, the entrained matter in the leachate will settle to the mud outlet trough and fall into the baffle through the opening of the baffle. When the sediment reaches a certain volume, the baffle is rotated and the stirring device is started at the same time. While pouring the precipitated entrained matter out from the opening position of the baffle, the stirring device pushes the sediment to the discharge port at the lower end of the mud outlet trough, so as to quickly discharge the sediment and prevent excessive sediment from remaining, and restore the liquid storage volume of the leachate tank body to prevent the leachate from overflowing before reaching the liquid storage volume of the leachate tank body. On the one hand, it can protect the environment, and on the other hand, it can ensure the normal operation of the leachate tank body and avoid safety hazards in use. When the leachate accumulates at the discharge port of the leachate tank, the dredging module opens and closes along the length direction of the X-axis fixed rail group under the oblique reciprocating force of the oblique guide rail group, realizing a reciprocating clamping effect on the discharged leachate and its floating objects. While discharging the floating objects, it can also dynamically prevent blockage caused by the accumulation of floating objects. An ultrasonic measuring instrument, a telescopic measuring cylinder that can extend downward and contract upward in the vertical direction, and a filter cover for filtering dirt are set in the sewage tank to measure the real leachate liquid level without the influence of the height of floating dirt. At the same time, a lifting mechanism matching the use of the telescopic measuring cylinder is set to make the overall structure of the device more reasonable and convenient to operate.

[0006] Beneficial effects: The present invention is provided with a baffle and a stirring device to discharge sediment periodically and orderly, thereby improving the efficiency of slag discharge; the dredging module is provided to open and close reciprocally, which can dynamically prevent blockage caused by the accumulation of floating objects while discharging floating objects; a lifting mechanism is provided to drive the telescopic measuring cylinder to improve the efficiency of liquid level measurement, and it is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0008] Figure 1 It is a structural schematic diagram of the present invention.

[0009] Figure 2 This is a schematic diagram of the installation structure of the leaching tank body.

[0010] Figure 3 It is a structural diagram of the slag discharge mechanism.

[0011] Figure 4 for Figure 3 A in the enlarged view.

[0012] Figure 5 for Figure 3 Enlarged view of point B in .

[0013] Figure 6 It is a schematic diagram of the assembly of the baffle, the first spiral blade and the second spiral blade.

[0014] Figure 7 It is a structural diagram of the dredging mechanism.

[0015] Figure 8 for Figure 7 Enlarged view of point C in the figure.

[0016] Figure 9 Schematic diagram of the installation structure of the connecting shaft.

[0017] Figure 10 Schematic diagram of the structure of the connecting shaft.

[0018] Figure 11 Schematic diagram of the installation status of the first wing and the second wing.

[0019] Figure 12 This is a structural diagram of the upper track.

[0020] Figure 13 This is a structural diagram of the lower orbit.

[0021] Figure 14Schematic diagram of the structure of the first Y-axis moving rail.

[0022] Figure 15 Schematic diagram of the structure of the second Y-axis moving rail.

[0023] Figure 16 Schematic diagram of the force principle of the dredging piece.

[0024] Figure 17 This is a diagram of the usage status of the dredging mechanism.

[0025] Figure 18 Schematic diagram of the structure of the detection device.

[0026] Figure 19 This is a schematic diagram of the structures of the first section measuring cylinder, the middle section measuring cylinder and the last section measuring cylinder.

[0027] Figure 20 for Figure 19 Enlarged view of point D in the middle.

[0028] Figure 21 for Figure 19 Enlarged view of point E in the middle.

[0029] Figure 22 for Figure 19 Enlarged view of point F in the middle.

[0030] Figure 23 for Figure 19 Enlarged view of point G in the middle.

[0031] Figure 24 for Figure 19 Enlarged view of point H in the middle.

[0032] Figure 25 for Figure 19 Enlarged view of point J in the middle.

[0033] Figure 26 Schematic diagram of the telescopic measuring cylinder in the folded state.

[0034] Figure 27 for Figure 26 Enlarged view of point K in .

[0035] Figure 28 This is a schematic diagram of the liquid level measurement principle of the second ultrasonic measuring instrument;

[0036] Figure 29 is a parameter diagram of the second ultrasonic measuring instrument; DETAILED DESCRIPTION

[0037] Depend on Figures 1 to 6As shown, the leachate tank of the present invention includes a leachate tank body 1 connected to a leachate drainage pipe, a slag discharge mechanism provided at a mud outlet trough 11 at the bottom of the leachate tank body 1, and a dredging mechanism provided at a discharge port 101 in the middle of the leachate tank body 1, wherein the slag discharge mechanism includes a baffle provided along the length direction of the mud outlet trough 11 for carrying leachate and its entrained matter, and a stirring device provided in the baffle along the length direction of the baffle.

[0038] Specifically, the blocking cover includes a cover body 30, a first sleeve 31 and a second sleeve 32. A first fixing sleeve 201 is fixed on the first bracket 21, and a second fixing sleeve 202 is provided on the second bracket 22. The first sleeve 31 is inserted into and sleeved on the first fixing sleeve 201, and the second sleeve 32 is inserted into and sleeved on the second fixing sleeve 202. The protruding end of the second sleeve 32 is screwed with a connecting cover 33, and the connecting cover 33 is connected to the output shaft of the second drive motor 42.

[0039] A stepped hole is provided in the first fixed sleeve 201 and the second fixed sleeve 202, and a first placement groove 51 is provided on the hole wall of the small hole end of the two stepped holes, and a second placement groove 52 is provided on the outer wall of the two fixed sleeves at the position corresponding to the first placement groove 51. The first placement groove 51 and the second placement groove 52 at the corresponding ends are combined to form an annular groove, and a first sealing ring 61 is embedded in the annular groove; a lubricating ring 7 is provided in the large hole end of the two stepped holes, and a tapered hole is provided in the middle of the lubricating ring 7. A connecting cone section 71 is provided at the position of the two fixed sleeves corresponding to the lubricating ring 7, and the connecting cone section 71 at the corresponding end is fitly connected to the hole wall of the tapered hole.

[0040] The stirring device includes a first spiral blade 431 and a second spiral blade 432 arranged in the baffle cover along the length direction of the baffle cover, a first end shaft 401 arranged at one end of the first spiral blade 431 and rotatably connected to the first sleeve 31, and a second end shaft 402 arranged at one end of the second spiral blade 432 and rotatably connected to the second sleeve 32. The first end shaft 401 is connected to the output shaft of the first drive motor 41, and the spiral direction of the first spiral blade 431 is arranged opposite to the spiral direction of the second spiral blade 432.

[0041] A first clearance hole 301 and a second clearance hole 302 are provided in the first sleeve 31 and the second sleeve 32, and a connecting hole 303 is provided between the first clearance hole 301 and the second clearance hole 302 at the corresponding ends. The end shaft of the corresponding end passes through the connecting hole 303, and a third placement groove 53 is provided on the hole wall of each of the connecting holes 303. A fourth placement groove 54 is provided at the position corresponding to the third placement groove 53 on the two end shafts. The third placement groove 53 and the fourth placement groove 54 at the corresponding ends are combined to form an annular groove, and a second sealing ring 62 is embedded in the annular groove.

[0042] A bearing is embedded in each of the second clearance holes 302 , and the end shafts at the corresponding ends are passed through the inner rings of the bearings. The protruding ends of the first end shafts 401 are connected to the output shaft of the first drive motor 41 .

[0043] Bosses 403 are provided on both the first end shaft 401 and the second end shaft 402 , and the bosses 403 at the corresponding ends are disposed in contact with the bottom of the first clearance hole 301 .

[0044] The shield has an opening distributed along its length direction, and the first spiral blade 431 and the second spiral blade 432 are displayed outside the shield body 30 from the opening. The two spiral blades are used to stir and clear the entrained matter in the leachate. When the shield rotates, the entrained matter is stirred and pushed by the two spiral blades and discharged along the lower end of the mud outlet trough 11.

[0045] A discharge valve is provided at the lower end of the mud discharge trough 11, and the discharge valve includes a box body 8 with a power motor (not marked) outside, a discharge port is provided on the box body 8, and a rotating shaft 81 connected to the power motor is provided in the box body 8. Six partitions 82 are provided along the circumferential direction on the outer side wall of the rotating shaft 81 to realize the orderly discharge of the discharged entrained matter.

[0046] Depend on Figure 1 、 Figure 2 、 Figures 7 to 17 As shown, a platform 12 is provided in the leachate tank body 1 near the discharge port 101, and the dredging mechanism is provided on the platform 12 so as to be located inside the discharge port 101; when the leachate in the leachate tank body 1 overflows the platform 12, the portion overflowing the platform 12 is discharged out of the leachate tank body 1 through the dredging mechanism and the discharge port 101; a flushing pipe 10 for flushing the dredging mechanism and a first ultrasonic measuring instrument 102 for monitoring the liquid level of the leachate are provided in the leachate tank body 1.

[0047] The dredging mechanism includes an X-axis fixed rail group 100 arranged at the discharge port 101 of the leaching pool, a dredging module slidably arranged on the fixed rail group 100 and capable of opening and closing along the length direction of the fixed rail group 100, and a Y-axis movable rail group arranged above the fixed rail group 100. An inclined guide rail group is provided at a position on the Y-axis movable rail group corresponding to the dredging module. The upper end of the dredging module is rotatably arranged in the inclined guide rail group so that it can open and close along the length direction of the X-axis fixed rail group 100 under the oblique reciprocating force of the inclined guide rail group.

[0048] Specifically, the clearing module includes several clearing pieces 300 distributed along the X-axis direction. The several clearing pieces 300 are inserted on the X-axis fixed rail group 100 along the X-axis direction and can move back and forth along the X-axis direction. The upper ends of the several clearing pieces are inserted in the inclined guide rail group of the Y-axis moving rail group.

[0049] The X-axis rail group 100 includes a lower rail 100a distributed along the X-axis direction and an upper rail 100b arranged parallel to the lower rail 100a. The lower rail 100a and the upper rail 100b both include a rail seat 110 and a rail groove 120 distributed on the rail seat 110 along the length direction of the rail seat 110; each of the several clearing members 300 includes a clearing block 310 and upper and lower sliders 320b, 320a arranged at the upper and lower ends of the clearing block 310 and respectively slidably inserted into the rail groove 120 of the lower rail 100a and the upper rail 100b.

[0050] The dredge block 310 includes a central axis portion 311 coaxially arranged on the lower slider 320a and a first side wing 312 and a second side wing 322 respectively arranged on both sides of the central axis portion 311. The upper slider 320b is coaxially arranged above the central axis portion 311; the first side wing 312 has a wide groove 312a that passes through in the direction away from the second side wing 322 along the X-axis, and the size of the wide groove 312a along the Y-axis direction is adapted to the size of the second side wing 322 along the Y-axis, so that the wide groove 312a of the first side wing 312 can accommodate the second side wing 322 of an adjacent dredge block 310. Two side wings 322; the second side wing 322 has a narrow groove 322a that passes through in the direction away from the first side wing 312 along the X-axis direction, and the narrow groove 322a allows the two side walls of the second side wing 322 to move toward each other so as to be easily inserted into the wide groove 312a of the first side wing 312 of an adjacent dredging block 310; the width of the wide groove 312a gradually increases in the direction away from the second side wing 322, so that its groove width is greater than the size of the second side wing 322 along the Y-axis direction; the size of the two outer side surfaces of the second side wing 322 along the Y-axis direction gradually decreases in the direction away from the first side wing 312.

[0051] The Y-axis moving rail group includes a first Y-axis moving rail 220 arranged parallel to the lower fixed rail 100a and the upper fixed rail 100b, a driving mechanism 230 for driving the first Y-axis moving rail 220 to move back and forth along the Y-axis direction, and the inclined guide rail group; the inclined guide rail group includes a Y-axis line passing through the center of the first Y-axis moving rail 220 along the Y-axis direction as the symmetry axis L1, a first left-side inclined guide rail group 211 and a first right-side inclined guide rail group 212 symmetrically arranged on the left and right sides of the symmetry axis, and the first left-side inclined guide rail group 211 and the first right-side inclined guide rail group 212 are distributed in an "eight" shape.

[0052] The driving mechanism 230 includes two bases 231 fixed on the edge of the pool mouth of the leaching pool, and a driving motor 232 is provided on each of the bases 231. The output end of the driving motor 232 is screwed with a support block 233, and a first Y-axis moving rail 220 is connected between the two support blocks 233; two guide rods 235 are provided in parallel on each of the bases 231, and the two guide rods 235 pass through the support blocks 233 at the corresponding ends.

[0053] The first left-side inclined guide rail group 211 includes a plurality of first left-side inclined guide rails 211a uniformly spaced to the left along the X-axis direction, and a plurality of angles α1 are formed between the plurality of first left-side inclined guide rails 211a and the X-axis line of the first Y-axis movable rail 220. The plurality of angles α1 gradually increase from left to right, and the values ​​of the plurality of angles α1 are set in equidistant intervals. The first right-side inclined guide rail group 212 includes a plurality of first right-side inclined guide rails 212a uniformly spaced to the right along the X-axis direction, and a plurality of angles β1 are formed between the plurality of first right-side inclined guide rails 212a and the X-axis line of the first Y-axis movable rail 220. The plurality of angles β1 gradually increase from right to left, and the values ​​of the plurality of angles β1 are set in equidistant intervals.

[0054] The Y-axis moving rail group also includes a second Y-axis moving rail 240 arranged in parallel between the lower fixed rail 100a and the upper fixed rail 100b and connected to the first Y-axis moving rail 220; the inclined guide rail group also includes a second left inclined guide rail group 214 arranged on the second Y-axis moving rail 240 and located one-to-one directly below the first left inclined guide rail group 211 and a second right inclined guide rail group 215 located one-to-one directly below the first right inclined guide rail group 212.

[0055] The second left-side inclined guide rail group 214 includes a plurality of second left-side inclined guide rails 214a uniformly spaced to the left along the X-axis direction, and a plurality of angles α2 are formed between the plurality of second left-side inclined guide rails 214a and the X-axis line of the second Y-axis movable rail 240. The plurality of angles α2 gradually increase from left to right, and the values ​​of the plurality of angles α2 are set in arithmetical progression. The second right-side inclined guide rail group 215 includes a plurality of second right-side inclined guide rails 215a uniformly spaced to the right along the X-axis direction, and a plurality of angles β2 are formed between the plurality of second right-side inclined guide rails 215a and the X-axis line of the second Y-axis movable rail 240. The plurality of angles β2 gradually increase from right to left, and the values ​​of the plurality of angles β2 are set in arithmetical progression.

[0056] The several clearing pieces 300 include several left clearing pieces 300a corresponding one-to-one to the first left inclined guide rail 211a and several right clearing pieces 300b corresponding one-to-one to the first right inclined guide rail 212a; each of the several clearing pieces 300 also includes a connecting shaft 330 coaxially arranged at the upper end of the middle axis 311, the upper ends of the connecting shafts 330 of the several left clearing pieces 300a are inserted one-to-one into the first left inclined guide rail 211a and can slide with it, and the upper ends of the connecting shafts 330 of the several right clearing pieces 300b are inserted one-to-one into the first right inclined guide rail 212a and can slide with it.

[0057] The connecting shafts 330 of the several left-side clearing pieces 300a of the several clearing pieces 300 are correspondingly arranged in the several second left-side inclined guide rails 214a and can slide with them, and the connecting shafts 330 of the several right-side clearing pieces 300b of the several clearing pieces 300 are correspondingly arranged in the several second right-side inclined guide rails 215a and can slide with them.

[0058] The first Y-axis movable rail 220 is also provided with a first Y-axis guide rail 213 coaxially arranged with the symmetry axis L1; the several clearing pieces 300 also include an intermediate clearing piece 300c inserted in the first Y-axis guide rail 213 and capable of slidingly cooperating therewith, and the upper end of the connecting shaft 330 of the intermediate clearing piece 300c is inserted in the first Y-axis guide rail 213 and capable of slidingly cooperating therewith; the left clearing piece 300a, the right clearing piece 300b and the intermediate clearing piece 300c have the same structural arrangement.

[0059] The first Y-axis movable rail 220 is arranged parallel to the upper part of the upper fixed rail 100b, and the upper slider 320b of each of the several clearing members 300 is arranged at the upper end of the connecting shaft 330. A fourth lubricating ring 219 is provided in the rail groove 120 of the upper fixed rail 100b, and the upper slider 320b extends into the fourth lubricating ring 219, and the outer wall of the upper slider 320b is in contact with the inner wall of the fourth lubricating ring 219; the upper end of the upper slider 320b is also provided with a sliding guide portion inserted into the corresponding inclined guide rail, and the sliding guide portion 340 includes a screw provided at the upper end of the upper slider 320b, and the screw passes through the first left inclined guide rail 211a and the first right inclined guide rail 212a at the corresponding positions. The protruding end of the screw is screwed with a cover plate 34, and the lower end surface of the cover plate 34 is in contact with the upper end surface of the first lubricating ring 217.

[0060] A first lubricating ring 217 is embedded in the first left inclined guide rail 211a, the first right inclined guide rail 212a and the first Y-axis guide rail 213. The sliding guide portion 340 includes a screw provided at the upper end of the upper slider 320b. The screw passes through the first left inclined guide rail 211a, the first right inclined guide rail 212a and the first Y-axis guide rail 213 at corresponding positions. The protruding end of the screw is screwed with a cover plate 34, and the lower end surface of the cover plate 34 is in contact with the upper end surface of the first lubricating ring 217.

[0061] Similarly, the second Y-axis movable rail 240 is also provided with a second Y-axis guide rail 216 located directly below the first Y-axis guide rail 213. The connecting shaft 330 of the middle dredging member 300c among the plurality of dredging members 300 is disposed in the second Y-axis guide rail 216 and is capable of sliding engagement therewith. Annular grooves are provided on the connecting shaft 330 at positions corresponding to the second left-side inclined guide rail 214a, the second right-side inclined guide rail 215a, and the second Y-axis guide rail 216. A second lubricating ring 218 is embedded in each of the second left-side inclined guide rail 214a, the second right-side inclined guide rail 215a, and the second Y-axis guide rail 216. The upper end wall of the annular groove is in contact with the upper end surface of the second lubricating ring 218, and the lower end wall of the annular groove is in contact with the lower end surface of the second lubricating ring 218.

[0062] In addition, a third lubricating ring 121 is embedded in the rail groove 120 of the lower fixed rail 100a, the lower slider 320a extends into the rail groove 120 and fits against the inner wall of the third lubricating ring 121, and the lower end surface of the connecting shaft 330 fits against the upper end surface of the third lubricating ring 121.

[0063] like Figure 1 、 Figures 18 to 29As shown, the telescopic measuring cylinder includes a first measuring cylinder section 92, an intermediate measuring cylinder section 93, and a final measuring cylinder section 94, which are slidably connected from top to bottom and from inside to outside. That is, the first measuring cylinder section 92 and the intermediate measuring cylinder section 93, as well as the intermediate measuring cylinder section 93 and the final measuring cylinder section 94, are all slidably connected. The first measuring cylinder section 92, the intermediate measuring cylinder section 93, and the final measuring cylinder section 94 are each hollow measuring cylinders with a cylindrical cavity extending through the corresponding measuring cylinder along the length direction. The diameters of the first measuring cylinder section 92, the intermediate measuring cylinder section 93, and the final measuring cylinder section 94 are arranged in ascending order.

[0064] The first section of the measuring cylinder 92 includes a top wall and a side ring wall surrounding the lower edge of the top wall. The top wall is provided with a through hole for the incident sound wave of the second ultrasonic measuring instrument 920 to pass through. The through hole can be defined as being concentric with the top wall. The top wall is provided with fixing holes around the periphery of the through hole for securing the second ultrasonic measuring instrument 920. The fixing holes can be defined as screw holes, rivet holes, clamp holes, or any other hole structure that allows the second ultrasonic measuring instrument 920 to be removably mounted on the top wall. The side ring wall is provided with a plurality of air holes 921 for balancing the air pressure in the telescopic measuring cylinder. The air holes 921 are evenly spaced circumferentially around the center of the top wall. It should be understood that the location and number of the air holes 921 are not limited to those described above. In different embodiments, the air holes 921 can be set according to different needs, so they will not be described in detail here. The lower outer periphery of the side ring wall protrudes outward to form a first outer edge 922, which is used to seal and slide between the first measuring tube 92 and the adjacent intermediate measuring tube 93, preventing them from separating from each other. The first outer edge 922 is used to block the upper end of the next intermediate measuring tube 93, preventing it from further downwardly separating from the first measuring tube 92. A first fixing portion 923 is provided on the inner periphery of the side ring wall. The first fixing portion 923 is attached to the inner wall of the cylindrical cavity at positions corresponding to the at least two sets of traction ropes 901. In the illustrated embodiment, the first fixing portion 923 is defined as comprising a first fixing ring 9231 disposed around the inner wall of the cylindrical cavity and at least two sets of first through cavities 9232 disposed on the first fixing ring 9231 at positions corresponding to the at least two sets of traction ropes 901. The first through cavities 9232 extend through the first fixing ring 9231 along the length of the cylinder. It should be understood that the fixing portion may be defined as other structures in different embodiments, for example, it may be defined as at least two fixing blocks arranged on the inner wall of the cylindrical cavity at positions corresponding to each traction rope 901, and the above-mentioned through cavity may be directly provided on the fixing blocks.

[0065] The second ultrasonic measuring instrument 920 is installed on the top wall of the first section measuring cylinder 92 and its sound velocity incident wave is emitted downward from the through hole into the interior of the telescopic measuring cylinder to detect the liquid level information of the sewage in the telescopic measuring cylinder after being filtered by the filter cover 94, and the detected liquid level information is sent to the control device; the control device obtains the liquid level height of the sewage based on the detected liquid level information and the distance between the second ultrasonic measuring instrument 920 and the bottom of the sewage pool, and then controls a sewage pump connected to its signal to adjust the sewage level height in the sewage pool.

[0066] There are a plurality of intermediate measuring cylinders 93, which are slidably sleeved together in stages. For ease of description, the uppermost intermediate measuring cylinder 93 that sleeves with the first measuring cylinder 92 is referred to as the first intermediate measuring cylinder 931, the lowermost intermediate measuring cylinder 93 that sleeves with the last measuring cylinder 94 is referred to as the second intermediate measuring cylinder 932, and the at least one intermediate measuring cylinder 93 between the first and second intermediate measuring cylinders 931, 932 is collectively referred to as the third intermediate measuring cylinder 933.

[0067] The first intermediate measuring cylinder 931 has a first cylindrical cavity 9311 that passes through in the axial direction. The upper end of the first cylindrical cavity 9311 is formed with a first inner edge 9312 that is limited by the first outer edge 922. The inner diameter of the first inner edge 9312 is larger than the outer diameter of the first section measuring cylinder 92, smaller than the outer diameter of the first outer edge 922, and smaller than the inner diameter of the first cylindrical cavity 9311. The outer diameter of the first outer edge 922 is smaller than the inner diameter of the first cylindrical cavity 9311, that is, the outer diameter of the first section measuring cylinder 92 < the inner diameter of the first inner edge 9312 < the outer diameter of the first outer edge 922 < the inner diameter of the first cylindrical cavity 9311. When the first intermediate measuring cylinder 931 is assembled with the first section measuring cylinder 92, the first section measuring cylinder 92 can be inserted into the first cylindrical cavity 9311 from bottom to top, and the first section measuring cylinder 92 has a portion that passes upward through the first inner edge 9312 to protrude upward from the upper end of the first intermediate measuring cylinder 931, and the lower end and the first outer edge 922 of the first section measuring cylinder 92 are restricted in the first cylindrical cavity 9311 by the first inner edge 9312.

[0068] When in their retracted state, the lower end of the first measuring tube section 92 is located at the lower end of the first intermediate measuring tube 931, and the upper end of the first measuring tube section 92 protrudes above the upper end of the first intermediate measuring tube 931. When in their extended state, the entire portion of the first measuring tube section 92, except for the first outer edge 922, is exposed upwardly from the upper end of the first intermediate measuring tube 931. A second outer edge 9313 is formed on the outer periphery of the lower end of the first intermediate measuring tube 931, which is used to seal and slide the first intermediate measuring tube 931 and the third intermediate measuring tube 933 located immediately adjacent to the first intermediate measuring tube 931, preventing them from disengaging. A second fixing portion 9314 is provided on the inner circumferential wall of the first cylindrical cavity 9311.

[0069] The second intermediate measuring cylinder 932 has a second cylindrical cavity 9321 extending axially therethrough. A second inner edge 9322 is formed at the upper end of the second cylindrical cavity 9321, which engages with the third intermediate measuring cylinder 933. The inner diameter of the second inner edge 9322 is larger than the outer diameter of the third intermediate measuring cylinder 933 located above it, but smaller than the inner diameter of the second cylindrical cavity 9321. A third outer edge 9323 protrudes outward from the outer periphery of the lower end of the second intermediate measuring cylinder 932, ensuring a sealed, sliding connection between the second intermediate measuring cylinder 932 and the final measuring cylinder 94 and preventing them from separating. When the second intermediate measuring cylinder 932 is assembled with the final measuring cylinder 94, the third outer edge 9323 blocks the upper end of the final measuring cylinder 94, preventing it from further downwardly separating from the second intermediate measuring cylinder 932. A third fixing portion 9324 is provided on the inner circumferential wall of the second cylindrical cavity 9321. A fourth fixing portion 9325 is provided at the lower end of the outer periphery of the second intermediate measuring cylinder 932. This fourth fixing portion 9325 is attached to the outer wall of the second intermediate measuring cylinder 932 at locations corresponding to the at least two sets of traction ropes 901. In the illustrated embodiment, the fourth fixing portion 9325 is defined as comprising a fourth fixing ring 9326 disposed around the outer wall of the second intermediate measuring cylinder 132 and at least two sets of fourth through cavities 9327 disposed at locations corresponding to the at least two sets of traction ropes 901. The fourth through cavities 9327 extend through the fourth fixing ring 9326 along the length of the telescopic cylinder. It should be understood that the fixing portion may also be defined as other structures in different embodiments, such as being defined as at least two fixing blocks disposed on the outer wall of the second intermediate measuring cylinder 932 at locations corresponding to each traction rope 901, with the aforementioned through cavities being disposed directly on the fixing blocks.

[0070] The end measuring cylinder 94 has a fourth cylindrical cavity 941 extending axially therethrough. A fourth inner edge 942 is formed at the upper end of the fourth cylindrical cavity 941 and is limitedly engaged with the third outer edge 9323. The inner diameter of the fourth inner edge 942 is larger than the outer diameter of the second intermediate measuring cylinder 932, smaller than the outer diameter of the third outer edge 9323, and smaller than the inner diameter of the fourth cylindrical cavity 941. The outer diameter of the third outer edge 9323 is smaller than the inner diameter of the fourth cylindrical cavity 941. When the end measuring cylinder 94 is assembled with the second intermediate measuring cylinder 932, the second intermediate measuring cylinder 932 can be inserted from bottom to top into the fourth cylindrical cavity 941. The second intermediate measuring cylinder 932 has a portion that extends upwardly out of the fourth inner edge 942 to protrude upward from the upper end of the end measuring cylinder 94. The lower end and the third outer edge 9323 of the second intermediate measuring cylinder 932 are restricted by the fourth inner edge 942 within the fourth cylindrical cavity 941. When they are in a retracted state, the lower end of the second intermediate measuring cylinder 932 is located at the lower end of the final measuring cylinder 94, and the upper end of the second intermediate measuring cylinder 932 protrudes from the upper end of the final measuring cylinder 94; when they are in an extended state, all parts of the second intermediate measuring cylinder 932 except the third outer edge 9323 are exposed upward at the upper end of the final measuring cylinder 94. A sixth fixing portion 943 is provided on the inner circumferential wall of the fourth cylindrical cavity 941. A seventh fixing portion 944 is provided on the outer circumference of the lower end of the final measuring cylinder 94. The lower end of the final measuring cylinder 94 protrudes downward to form a cylinder 945, and a lower ring 946 is provided at the lower end of the cylinder 945 for mounting the filter cover 91 thereon.

[0071] The second fixing portion 9314, the third fixing portion 9324, the fifth fixing portion 9334 and the sixth fixing portion 943 have the same structural arrangement and principle as the first fixing portion 923, and the seventh fixing portion 944 has the same structural arrangement and principle as the fourth fixing portion 9325, so they will not be described one by one here.

[0072] The filter cover 91 is used to filter floating debris carried on the surface of the leachate when the telescopic measuring cylinder is extended into the leachate tank. It comprises an upper ring 911 and a tapered cylinder 912 formed by the downwardly protruding lower end of the upper ring 911. The inner and outer diameters of the upper ring 911 match those of the lower ring 946, and the cylinder 945, the lower ring 946, the upper ring 911, and the middle portion of the tapered cylinder 912 are all connected. A hinged seat 913 is provided between one end of the upper ring 911 and the corresponding position of the lower ring 946. The other end of the upper ring 911, away from the hinged seat 913, is detachably connected to the lower ring 946 via a fixing member 914. The conical cylinder 912 is provided with a plurality of filter holes 915 for filtering impurities from the leachate. These filter holes 915 are evenly spaced radially along the sidewall of the conical cylinder 912, centered about the center of the lower annular ring 946. The distribution of these filter holes 915 decreases from dense to sparse as the diameter of the conical cylinder 912 increases. It should be understood that the location and number of the filter holes 915 are not limited to those described above. In different embodiments, the filter holes 915 may be configured to meet different requirements, and therefore, a detailed description thereof will not be provided here.

[0073] The fixing member 914 includes a stopper 9141, a fixing screw 9142 disposed at the end of the stopper 9141, and a nut 9143 threadedly connected to the end of the fixing screw 9142. A socket is defined between the upper ring 911 and the lower ring 946, passing through the upper ring 911 and the lower ring 946. The inner diameter of the socket matches the outer diameter of the fixing screw 9142, allowing the fixing screw 9142 to pass therethrough. The fixing screw 9142 extends from one end of the socket and extends from the other end. The nut 9143 is threadedly connected to the portion of the fixing screw 9142 that extends from the socket.

[0074] The operating principle of the present invention is as follows:

[0075] like Figures 1 to 6As shown, after the leachate flows into the leachate tank body 1, the entrained matter in the leachate will settle into the mud outlet trough 11 and fall into the cover body 30 through the opening of the baffle cover. When the sediment reaches a certain volume, the second drive motor 42 is started to drive the connecting disk 33 and the second sleeve 32 to rotate synchronously, that is, the cover body 30 is also driven to rotate synchronously, and the precipitated entrained matter is poured out from the opening position of the cover body. At the same time, it is necessary to start the first drive motor 41, and the first spiral blade 431 and the second spiral blade 431 push the sediment to move to the discharge port at the lower end of the mud outlet trough 11. Since the discharge port of the mud outlet trough 11 is in the middle position, the spiral directions of the two spiral blades are set in opposite directions. When rotating, the two spiral blades can achieve the purpose of gathering the precipitated entrained matter to the center, so as to quickly discharge the sediment and restore the liquid storage volume of the leachate tank body 1, thereby preventing the leachate from overflowing before reaching the liquid storage volume of the leachate tank body 1. On the one hand, it can protect the environment, and on the other hand, it can ensure the normal operation of the leachate tank body 1 and avoid safety hazards in use.

[0076] It should be noted that if Figure 3 and Figure 4 As shown, the first sealing ring 61, the second sealing ring 62 and the boss 403 can prevent the leakage of leachate from the gap at the installation position, and can play a good sealing role; the lubricating ring 7 is fitted and connected with the connecting cone section 71, which can play a lubricating role during the rotation process, reduce the rotational wear of the first sleeve 31 and the second sleeve 32, extend the service life, and reduce the maintenance cost.

[0077] Finally, if Figure 1 and Figure 4 As shown, the power motor drives the rotating shaft 81 to rotate, and a cavity is formed between two adjacent partitions. As the rotating shaft 81 rotates, the entrained materials discharged from the mud discharge trough 11 are discharged in batches and in an orderly manner. While ensuring the slag discharge efficiency, it also facilitates the orderly collection of the discharged materials at the discharge port position of the box body 8.

[0078] Among them, it is better to connect the power motor, the first drive motor 41 and the second drive motor 42 to the PLC controller for automated and intelligent operation management, which can greatly reduce the workload. Since the PLC controller only involves use and operation and does not involve program settings, and the PLC controller is a commonly used device, its specific connection and setting will not be repeated here in the present invention.

[0079] like Figure 1 、 Figure 2 、 Figures 7 to 17 As shown, when the leachate level rises to the discharge port of the leachate tank, the leachate and the floating objects move toward the discharge port together. Since the floating objects are accumulated, in order to avoid the accumulation affecting the discharge of the leachate and causing the leachate in the leachate tank to overflow from the upper opening of the leachate tank, it is necessary to disperse the floating objects.

[0080] Specifically, if Figure 7 、 Figure 8 、 Figures 14 to 16 As shown, the drive motor 232 is started on the PLC controller, driving the support block 233 to move along the axial direction of the guide rod 235, and the connected first Y-axis movable rail 220 and the second Y-axis movable rail 240 also move synchronously therewith. Since six first left-side inclined guide rails 211a and six first right-side inclined guide rails 212a are provided on the first Y-axis movable rail 220, six angles α1 are formed between the six first left-side inclined guide rails 211a and the X-axis line of the first Y-axis movable rail 220, and the values ​​of two adjacent angles α1 are set to be equidistant and gradually larger from left to right; six angles β1 are formed between the six first right-side inclined guide rails 212a and the X-axis line of the first Y-axis movable rail 220, and the values ​​of two adjacent angles β1 are set to be equidistant and gradually larger from right to left.

[0081] Similarly, six second left-side inclined guide rails 214a and six second right-side inclined guide rails 215a are correspondingly provided on the second Y-axis movable rail 240. Six angles α2 are formed between the six second left-side inclined guide rails 214a and the X-axis line of the first Y-axis movable rail 220, and the values ​​of two adjacent angles α2 are set to be arithmetic and gradually increase from left to right. Six angles β2 are formed between the six second right-side inclined guide rails 215a and the X-axis line of the first Y-axis movable rail 220, and the values ​​of two adjacent angles β2 are set to be arithmetic and gradually increase from right to left. At the same time, a first Y-axis guide rail 213 coaxially arranged with the axis of symmetry L1 is also provided on the first Y-axis movable rail 220, and a second Y-axis guide rail 216 located directly below the first Y-axis guide rail 213 is also provided on the second Y-axis movable rail 240.

[0082] like Figure 7 、 Figure 11 、 Figure 12 、 Figure 13 、 Figure 16 and Figure 17 As shown, a connecting shaft 330 is provided between the guide rails at corresponding positions on the first Y-axis movable rail 220 and the second Y-axis movable rail 240. When the Y-axis movable rail makes linear motion along the Y-axis direction, the F generated by the connecting shaft 330 is Y+ To or F Y- The force in the direction of F X+ To or F X-The component force in the direction of the Y axis pushes the connecting shaft 330 to move linearly along the X axis, and enables the two side walls of the second side wing 322 to be stuck in the wide groove 312a of the first side wing 312 of the adjacent dredging block 310, forming a clamping action; at the same time, since the angle values ​​of the adjacent α1 and α2 and the angle values ​​of β1 and β2 are all set in equal intervals, the situation where each connecting shaft 330 is blocked due to the difference in moving distance is avoided, and the guide rails at corresponding positions are symmetrically arranged, ensuring the integrity and stability of the movement. As the drive motor 232 drives the two connected Y-axis moving rails to perform linear reciprocating motion along the Y axis, the first side wing 312 and the second side wing 322 set opposite to each other on the two adjacent connecting shafts 330 also perform reciprocating motion. The reciprocating clamping action generated by this can easily disperse the floating objects and prevent them from accumulating.

[0083] Among them, such as Figures 7 to 10 As shown, during the movement of the Y-axis guide rail, since the first Y-axis guide rail 213 is embedded with a first lubricating ring 217, the lower end surface of the cover plate 34 is in contact with the upper end surface of the first lubricating ring 217, and the second left inclined guide rail 214a, the second right inclined guide rail 215a and the second Y-axis guide rail 216 are embedded with a second lubricating ring 218, the upper end groove wall of the annular groove on the connecting shaft 330 is in contact with the upper end surface of the second lubricating ring 218, and the lower end groove wall of the annular groove is in contact with the upper end surface of the second lubricating ring 218. It fits with the lower end surface of the second lubricating ring 218; a third lubricating ring 121 is embedded in the rail groove 120 of the lower fixed rail 100a, and the lower end surface of the connecting shaft 330 fits with the upper end surface of the third lubricating ring 121; the upper slider 320b extends into the fourth lubricating ring 219, and the outer wall of the upper slider 320b fits with the inner wall of the fourth lubricating ring 219, so as to ensure the stability of the connecting shaft 330 in the X-direction movement, while reducing movement wear and extending the service life.

[0084] It should be noted that the inner wall of the fourth lubrication ring 219 and the inner wall of the third lubrication ring 121 are both conical structures. Correspondingly, the outer walls of the upper slider 320b and the lower slider 320a are also adapted to be conical structures. Under the action of gravity, the conical surface fits more stably and the connecting shaft 330 is not prone to movement.

[0085] During use, water is released at the flushing pipe 10 to spray the dredging block 310 to prevent floating objects from remaining. When the liquid level drops back to a position below the plane of the platform 12, the drive motor 232 is turned off. At the same time, if the liquid level of the leachate continues to rise, the first ultrasonic measuring instrument 102 will send a signal to the connected PLC controller when it detects that the liquid level is too high, and the PLC controller will send a signal to the alarm device to quickly and timely issue an early warning to prevent the leachate from overflowing.

[0086] Specifically, if Figures 18 to 29As shown, the two groups of traction ropes 901 are first extended from the winch 90, and the traction ropes 901 on the left and the traction ropes 901 on the right are successively passed through the through cavities of the fourth fixing part 9325 and the seventh fixing part 944 from top to bottom, and then bent upward at the lower end of the outer side of the last section measuring cylinder 94, and then successively passed through the sixth fixing part 943, the third fixing part 9324, the fifth fixing part 9334, the second fixing part 9314 and the first fixing part 923 from bottom to top, and then formed a knot 9011 at the upper end of the first fixing ring 9231; when not in use, the traction rope 901 is retracted by the winch 90, and the telescopic measuring cylinder is in a retracted state under the pull of the traction rope 901. At this time, the first section measuring cylinder 92, the middle measuring cylinder 93 and the last section measuring cylinder 94 are connected together layer by layer from the inside to the outside.

[0087] The inner diameter of the fourth cylindrical cavity 941 needs to be determined according to the sound beam angle, measuring range, upper and lower limits of the monitored liquid level and the scale of the plate material on the market, such as Figure 29 As shown, under the premise of meeting the measurement range, the radial dimension of the fourth cylindrical cavity 141 is reduced; and the measurement diameter D of the second ultrasonic measuring instrument 920 can be calculated by the following formula:

[0088]

[0089] Where, l represents the measuring range of the ultrasonic measuring instrument, 0.450~15.000m;

[0090] α represents the sound beam angle of the second ultrasonic measuring instrument 920;

[0091] Based on the design conditions of the sewage tank in this embodiment, the upper and lower limits of the detected liquid level are +178.00m to +184.00m; the liquid level fluctuation value during this period is 184.00m - 178.00m = 6m. Considering the size of the submerged portion of the filter cover 91 and the future increase in sewage treatment capacity, the measuring range of the second ultrasonic measuring instrument 920 is set to 10.00m < 15.00m (the setting value satisfies the range of 0.450m to 15.000m).

[0092] Therefore, D = 2*10*0.04366 = 0.873m

[0093] Taking into account the surge effect of leachate entering the sewage pool, which causes the telescopic measuring cylinder to swing and causes the sound beam wave to be mistakenly reflected in the internal space of the telescopic measuring cylinder, D is set to D=1m, that is, the diameter of the fourth cylindrical cavity 941 is greater than or equal to 1m.

[0094] When the liquid level of the sewage pool needs to be measured, the winch 90 is first started to release the traction rope 901. As the traction rope 901 is extended, the telescopic measuring cylinder gradually extends, and the upper ends of the middle measuring cylinder 93 and the last measuring cylinder 94 are both limited to the lower ends of their respective upper measuring cylinders.

[0095] When the filter cover 91 is inserted into the leachate, the sewage enters the telescopic measuring cylinder through the filter hole 915. Since the side ring wall of the first section measuring cylinder 92 is provided with a plurality of air holes 921, the telescopic measuring cylinder forms an atmospheric communication tube under the action of balanced air resistance. Since the conical cylinder 912 is provided with a plurality of filter holes 915, when the leachate enters the interior of the telescopic measuring cylinder, the floating covering layer of dirt therein will be isolated by the conical cylinder 912 outside the telescopic measuring cylinder, effectively shielding it. The liquid level of the leachate will fluctuate as the telescopic measuring cylinder is inserted, but the interaction between the internal friction of the dirty liquid and the balanced air resistance will suppress the fluctuation of the liquid level. In this way, the liquid level in the telescopic measuring cylinder can change with the rise and fall of the liquid level in the leachate tank, and can also maintain a relatively stable liquid level, making it convenient for the staff to perform subsequent liquid level measurements.

[0096] like Figure 28 As shown, when the lower portion of the filter cover 91 contacts the bottom of the leachate pool, the liquid level of the leachate pool can be measured. The second ultrasonic measuring instrument 920 is turned on. The incident sound beam of the second ultrasonic measuring instrument 920 is emitted from the through hole into the interior space of the telescopic measuring cylinder. The incident sound beam contacts the liquid surface downward, is reflected, and is emitted upward back to the second ultrasonic measuring instrument 920. The second ultrasonic measuring instrument 920 can then obtain the time t experienced during this emission and reflection process and send this data to the control device. The propagation speed of ultrasound in gas is a known parameter c. Therefore, the distance x between the second ultrasonic measuring instrument 920 and the liquid surface is x=c*t / 2. Before the leachate is introduced into the leachate tank, the distance H between the second ultrasonic measuring instrument 920 and the bottom of the leachate tank can be measured and obtained using the same method. At this time, the liquid level of the leachate tank can be obtained as h=Hx=Hc*t / 2. After determining the liquid level, the control device can control the sewage pump connected to its signal to adjust the leachate level in the leachate tank to prevent the leachate from overflowing.

[0097] like Figure 26 to Figure 27As shown, after the device has been used for a period of time, the conical cylinder 912 will adhere to a lot of dirt, which may clog the filter hole 915 and affect the normal use of the device, so it needs to be cleaned in time. When cleaning is required, start the power equipment to reel in the traction rope 901, so that the telescopic measuring cylinder shrinks to its initial state. At this time, the telescopic measuring cylinder as a whole is no longer located in the leachate pool. At this time, turn the nut 9143 to unscrew it from the end of the fixed screw 9142, and then hold the limit block 9141 to pull the fixed screw 9142 out of the socket. At this time, the fixing state of the conical cylinder 912 by the fixing member 914 is released, and the conical cylinder 912 is rotated open with the hinge point of the hinge seat 913 as the center of the circle. Use a high-pressure water gun to clean the dirt on the surface of the conical cylinder 912; after cleaning, follow the above steps in reverse to return the conical cylinder 912 to its original position.

[0098] In addition, the first ultrasonic measuring instrument 102, the power motor, the drive motor 232, the first drive motor 41 and the second drive motor 42 are all connected to the PLC controller for automated and intelligent operation and management, which greatly reduces the workload. Since the PLC controller only involves operation and control and does not involve program settings, and the PLC controller is a commonly used device, its specific connection and settings will not be repeated here in the present invention.

Claims

1. A sewage detection and discharge system, characterized by: The invention comprises a leachate tank body (1) connected to a leachate drainage pipe, a slag discharge mechanism arranged at a mud outlet trough (11) at the bottom of the leachate tank body (1), a dredging mechanism arranged at a discharge port (101) in the middle of the leachate tank body (1), a sewage tank connected to a water outlet of the dredging mechanism, and a detection device arranged in the sewage tank; the slag discharge mechanism comprises a shield arranged along the length direction of the mud outlet trough (11) for carrying leachate and its entrained matter, and a stirring device arranged in the shield along the length direction of the shield, the two ends of the shield are rotatably arranged in the mud outlet trough (11) through a first bracket (21) and a second bracket (22), the shield has an opening distributed along the length direction thereof, the stirring device is used to stir up the entrained matter in the dredged leachate, and when the shield rotates, the entrained matter passes through the stirring device and is discharged along the lower end of the mud outlet trough (11); The dredging mechanism comprises an X-axis fixed rail group (100) arranged at the outlet of the leaching pool, a dredging module slidably arranged on the X-axis fixed rail group (100) and capable of opening and closing along the length direction of the X-axis fixed rail group (100), and a Y-axis movable rail group arranged above the X-axis fixed rail group (100). The X-axis fixed rail group (100) comprises a lower fixed rail (100a) arranged on the platform (12) of the leaching pool body (1) and a lower fixed rail (100a) arranged on the top wall of the leaching pool body (1) and flush with the lower fixed rail. An upper fixed rail (100b) is provided on the Y-axis movable rail group at a position corresponding to the dredging module, and the upper end of the dredging module is rotatably arranged in the inclined guide rail group so as to be able to open and close along the length direction of the X-axis fixed rail group (100) under the oblique reciprocating force of the inclined guide rail group, and the lower fixed rail (100a) and the upper fixed rail (100b) both include a rail seat (110) and a rail groove (120) distributed on the rail seat (110) along the length direction of the rail seat (110); The dredging module comprises a plurality of dredging members (300) distributed along the X-axis direction, each of the plurality of dredging members (300) comprising a dredging block (310) and upper and lower sliding blocks (320b, 320a) arranged at the upper and lower ends of the dredging block (310) and respectively slidably inserted into the rail grooves (120) of the lower fixed rail (100a) and the upper fixed rail (100b); The dredging block (310) comprises a central axis portion (311) coaxially arranged on the lower slider (320a) and a first side wing (312) and a second side wing (322) respectively arranged on both sides of the central axis portion (311). The upper slider (320b) is coaxially arranged above the central axis portion (311). The first side wing (312) has a wide groove (312a) extending in the direction away from the second side wing (322) along the X-axis. The dimension of the wide groove (312a) along the Y-axis is the same as that of the second side wing (322). 22) The dimensions along the Y-axis direction are adapted so that the wide groove (312a) of the first side wing (312) can accommodate the second side wing (322) of an adjacent dredging block (310); the second side wing (322) has a narrow groove (322a) extending in the direction away from the first side wing (312) along the X-axis direction, and the narrow groove (322a) enables the two side walls of the second side wing (322) to move toward each other so as to be inserted into the wide groove (312a) of the first side wing (312) of an adjacent dredging block (310); The Y-axis movable rail group comprises a first Y-axis movable rail (220) arranged in parallel with the lower fixed rail (100a) and the upper fixed rail (100b), a driving mechanism (230) for driving the first Y-axis movable rail (220) to reciprocate along the Y-axis direction, and the inclined guide rail group, wherein the inclined guide rail group comprises a Y-axis passing through the center of the first Y-axis movable rail (220) along the Y-axis direction as a symmetry axis (L1), a first left-side inclined guide rail group (211) and a first right-side inclined guide rail group (212) symmetrically arranged on the left and right sides of the symmetry axis (L1), and the first left-side inclined guide rail group (211) and the first right-side inclined guide rail group (212) are distributed in an "eight" shape; The first left-side inclined guide rail group (211) includes a plurality of first left-side inclined guide rails (211a) uniformly spaced to the left along the X-axis direction, and a plurality of included angles α1 are formed between the plurality of first left-side inclined guide rails (211a) and the X-axis line of the first Y-axis movable rail (220), and the plurality of included angles α1 gradually increase from left to right, and the values ​​of the plurality of included angles α1 are set in arithmetic progression; the first right-side inclined guide rail group (212) includes a plurality of first right-side inclined guide rails (212a) uniformly spaced to the right along the X-axis direction, and a plurality of included angles β1 are formed between the plurality of first right-side inclined guide rails (212a) and the X-axis line of the first Y-axis movable rail (220), and the plurality of included angles β1 gradually increase from right to left, and the values ​​of the plurality of included angles β1 are set in arithmetic progression; The plurality of dredging members (300) include a plurality of left dredging members (300a) corresponding one-to-one to the first left oblique guide rail (211a) and a plurality of right dredging members (300b) corresponding one-to-one to the first right oblique guide rail (212a); each of the plurality of dredging members (300) further includes a connecting shaft (330) coaxially arranged at the upper end of the middle axis portion (311), and the upper ends of the connecting shafts (330) of the plurality of left dredging members (300a) are plugged into the first left oblique guide rail (211a) and connected to the middle axis portion (311). The upper ends of the connecting shafts (330) of the plurality of right-side dredging members (300b) are correspondingly inserted into the first right-side inclined guide rail (212a) and are capable of slidingly engaging with the first right-side inclined guide rail (212a); the first Y-axis movable rail (220) is arranged parallel to the upper portion of the upper fixed rail (100b); the upper slider (320b) of each of the plurality of dredging members (300) is arranged at the upper end of the connecting shaft (330); and the upper end of the upper slider (320b) is further provided with a sliding guide portion (340) inserted into the corresponding inclined guide rail; An inclined guide rail group is provided on the Y-axis movable rail group at a position corresponding to the dredging module, and the upper end of the dredging module is rotatably arranged in the inclined guide rail group so as to be able to open and close along the length direction of the X-axis fixed rail group (100) under the oblique reciprocating force of the inclined guide rail group; the detection device includes a telescopic measuring mechanism mounted above the sewage pool, a liquid level measuring instrument coaxially arranged at the upper end of the telescopic measuring mechanism, and a lifting mechanism for driving the telescopic measuring mechanism to extend and retract in the vertical direction, the telescopic measuring mechanism including a telescopic measuring cylinder and a filter cover (91) arranged at the bottom of the telescopic measuring cylinder.

2. The sewage detection and discharge system according to claim 1, characterized in that: The shield comprises a shield body (30), a first sleeve (31) and a second sleeve (32); a first fixing sleeve (201) is fixedly provided on the first bracket (21); a second fixing sleeve (202) is provided on the second bracket (22); the first sleeve (31) is inserted and sleeved on the first fixing sleeve (201); the second sleeve (32) is inserted and sleeved on the second fixing sleeve (202); a connecting cover (33) is screwed on the outlet end of the second sleeve (32); and the connecting cover (33) is connected to the output shaft of the second drive motor (42).

3. The sewage detection and discharge system according to claim 2, characterized in that: The stirring device comprises a first spiral blade (431) and a second spiral blade (432) arranged in the baffle along the length direction of the baffle, a first end shaft (401) arranged at one end of the first spiral blade (431) and rotatably connected to the first sleeve (31), and a second end shaft (402) arranged at one end of the second spiral blade (432) and rotatably connected to the second sleeve (32), the first end shaft (401) being connected to the output shaft of the first drive motor (41), and the spiral direction of the first spiral blade (431) being opposite to the spiral direction of the second spiral blade (432).

4. The sewage detection and discharge system according to claim 3, characterized in that: A first clearance hole (301) and a second clearance hole (302) are provided in the first sleeve (31) and the second sleeve (32), a connecting hole (303) is provided between the first clearance hole (301) and the second clearance hole (302) at the corresponding end, the end shaft of the corresponding end passes through the connecting hole (303), a bearing is embedded in each of the second clearance holes (302), the end shaft of the corresponding end passes through the inner ring of the bearing, and the protruding end of the first end shaft (401) is connected to the output shaft of the first drive motor (41).

5. The sewage detection and discharge system according to claim 1, characterized in that: The telescopic measuring cylinder comprises a first section measuring cylinder (92), an intermediate measuring cylinder (93) and a final section measuring cylinder (94) which are arranged in sequence from top to bottom. The first section measuring cylinder (92) is provided with an air hole (921). The first section measuring cylinder (92) and the intermediate measuring cylinder (93), as well as the intermediate measuring cylinder (93) and the final section measuring cylinder (94) are all slidably connected. The filter cover (91) is provided at the lower end of the final section measuring cylinder (94) and is provided with a filter hole (915). The air hole (921) is used to balance the air pressure inside the telescopic measuring cylinder when leachate enters the filter cover (91). The air pressure inside the telescopic measuring cylinder is always kept consistent with that outside so that the liquid level inside the telescopic measuring cylinder can change with the rise and fall of the liquid level of the leachate pool, making the measurement result more accurate and reliable. The filter hole effectively shields the dirt in the leachate without affecting the measurement of the liquid level by the ultrasonic measuring instrument.

6. The sewage detection and discharge system according to claim 5, characterized in that: The lifting mechanism comprises a hoist (90) and two groups of traction ropes (901) wound on the hoist, the non-wound ends of the two groups of traction ropes respectively passing through the end section measuring cylinder (94), and the insertion ends of the two groups of traction ropes are respectively fixedly connected to the inner side walls of the corresponding sides of the first section measuring cylinder (92).

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