A sludge concentration conditioning mixing apparatus and a control method thereof

Abstract

The application discloses a sludge concentration conditioning mixing device and a control method thereof, and belongs to the technical field of sludge treatment devices.The device comprises a support frame, a sludge conditioning mechanism, a sludge concentration mechanism and a sludge filter pressing mechanism.The sludge conditioning mechanism comprises a conditioning pool installed on the top surface of the support frame, a partition plate is arranged on one side of the inside of the conditioning pool, an overflow port is formed in the center of the top end of the partition plate, a feeding port is arranged on the side of the conditioning pool away from the partition plate, and a discharging port is arranged on the other side of the conditioning pool, and a stirring mechanism for sufficient mixing is arranged in the conditioning pool.The device can integrate the sludge concentration pool, the sludge conditioning pool and the plate-frame filter pressing device in the prior art, reduce the overall land occupation area of the sludge concentration conditioning mixing device, and reduce the transmission distance and energy consumption through mutual combination, and is more green and environmentally friendly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sludge treatment equipment, and more particularly to a sludge concentration conditioning mixing device and a control method thereof. BACKGROUND

[0002] Due to the increasingly stringent environmental protection requirements, the sewage plants have higher and higher requirements on the water content of sludge. In general, the traditional sludge dewatering main steps include two steps of concentration and dewatering. The concentration process section usually adopts gravity concentration or mechanical concentration. The dewatering process adopts a stack screw, a centrifuge or a plate and frame dewatering machine according to the water content requirement. The water content of the diaphragm plate and frame dewatering machine can be made lower, and the diaphragm plate and frame dewatering machine is a dewatering process equipment widely used in the market. In addition, various plate and frame equipment derived processes are also widely used.

[0003] The common sludge dewatering process at present is: process section sludge discharge-sludge concentration tank-sludge conditioning tank-plate and frame filter press-sludge cake transportation. When the sludge is treated by this process, various devices are separately arranged, and the land occupation area is relatively large. Therefore, the overall land occupation area of the sludge concentration conditioning mixing device is huge, which is inconvenient for popularization under the current land shortage condition, and the engineering quantity is large and the cost is high. SUMMARY

[0004] 1. Technical problem to be solved

[0005] In view of the problems in the prior art, the purpose of the present application is to provide a sludge concentration conditioning mixing device and a control method thereof, which can integrate the sludge concentration tank, the sludge conditioning tank and the plate and frame filter press device in the prior art, reduce the overall land occupation area of the sludge concentration conditioning mixing device, and reduce the transmission distance by mutual combination, thereby reducing the energy consumption and being more green and environmentally friendly.

[0006] 2. Technical scheme

[0007] In order to solve the above problems, the present application adopts the following technical scheme.

[0008] A sludge concentration conditioning mixing device and a control method thereof, comprising a support frame;

[0009] A sludge conditioning mechanism, which comprises a conditioning tank installed on the top surface of the support frame. A partition plate is arranged on one side in the interior of the conditioning tank. An overflow port is formed in the center of the top end of the partition plate. A feeding port is arranged on the side of the conditioning tank away from the partition plate, and a discharging port is arranged on the other side. A stirring mechanism for sufficient mixing is arranged in the conditioning tank.

[0010] The sludge concentration mechanism comprises a concentration box installed on the top surface of the support frame, one end of the concentration box is provided with a discharge box, a stirring basket is rotatably installed inside the conditioning tank, a feeding pipe is penetratively installed at the end of the concentration box close to the discharge box, the feeding pipe extends to the central position of the stirring basket, and a driving mechanism for driving the stirring basket to rotate is arranged at the end of the concentration box away from the discharge box.

[0011] The sludge pressure filtration mechanism comprises an upper pressure filtration transmission belt and a lower pressure filtration transmission belt rotatably arranged inside the support frame, first active positioning rollers, first auxiliary positioning rollers, first driving rollers and first transmission positioning rollers for transmission limiting are rotatably connected at both ends of the upper pressure filtration transmission belt inside the support frame, second transmission positioning rollers, third transmission positioning rollers, second driving rollers, second active positioning rollers and second auxiliary positioning rollers for transmission limiting are rotatably connected at both ends of the lower pressure filtration transmission belt, and auxiliary pressure filtration rollers and pressure filtration rollers for pressure filtration are rotatably connected between the support frame and the upper pressure filtration transmission belt inside the support frame.

[0012] Further, a shunt plate is arranged between the partition plate and the inner wall of the conditioning tank for shunting, the shunt plate is in a "person" shape structure, and contraction angle plates are welded at four corners of the inner wall on the opposite side of the shunt plate in the conditioning tank.

[0013] Further, the stirring mechanism comprises a support plate installed on the top surface of the conditioning tank, a first servo motor is fixedly installed at the center of the top surface of the support plate, and a stirring rod is rotatably connected to the bottom surface center of the support plate, and the power output end of the first servo motor is drivingly connected to the stirring rod through a shaft coupling.

[0014] Further, a dosing pipe for dosing is fixedly installed above the stirring basket inside the concentration box, and nozzles are uniformly installed on the bottom surface of the dosing pipe.

[0015] Further, the driving mechanism comprises a second servo motor fixedly installed at the end of the concentration box away from the discharge box, and the second servo motor is drivingly connected to the stirring basket through a shaft coupling and a belt pulley assembly.

[0016] Further, the auxiliary pressure filtration rollers are arranged in at least three groups and are staggered up and down between the upper pressure filtration transmission belt and the lower pressure filtration transmission belt, and the pressure filtration rollers are arranged in at least three groups and are also staggered up and down between the upper pressure filtration transmission belt and the lower pressure filtration transmission belt.

[0017] Further, an adjusting mechanism for adjusting transmission length is arranged between the first movable positioning roller, the first auxiliary positioning roller, the second movable positioning roller and the second auxiliary positioning roller and the support frame, the adjusting mechanism comprises a track fixedly installed on the outer side of the support frame, and a slider is slidably connected in the track, the slider is used for rotationally connecting the first movable positioning roller, the first auxiliary positioning roller, the second movable positioning roller and the second auxiliary positioning roller, and the slider is fixedly connected with the power output end of the air cylinder.

[0018] Further, a transmission mechanism for driving the upper filter pressing transmission belt and the lower filter pressing transmission belt to move is arranged between the first drive roller and the second drive roller, the transmission mechanism comprises a third servo motor fixedly installed on one end of the support frame, and the third servo motor is in transmission connection with the first drive roller and the second drive roller through a chain wheel assembly.

[0019] Further, an electric control box for providing control ability is fixedly installed on the top surface of one end of the support frame, and a sludge discharging guide plate for discharging sludge cake is arranged on the bottom of the other end of the support frame.

[0020] A sludge concentration conditioning and mixing control method, which applies the sludge concentration conditioning and mixing device, comprises the following steps.

[0021] S1, the sludge is sent into the conditioning tank through the feed inlet by the sludge pump, a coagulant is added into the conditioning tank, the sludge is stirred by the stirring rod driven by the first servo motor, the concentration of the sludge is conditioned, and the sludge completely reacted can overflow from the overflow port during the continuous adding and stirring process;

[0022] S2, the sludge in S1 after overflowing is sent into the concentration tank through the feed pipe from the discharge port, the sludge after conditioning is stirred again by the stirring basket driven by the second servo motor, and the flocculating agent is uniformly added by the nozzle and the dosing pipe, the flocculation is generated after the sludge is fully stirred and mixed by the stirring basket, and the sludge is concentrated by gravity at the bottom of the concentration tank;

[0023] S3, the sludge after gravity concentration in S2 is discharged downward through the discharge tank and falls on the top surface of the upper filter pressing transmission belt, the first drive roller and the second drive roller are driven to rotate in opposite directions by the third servo motor, the upper filter pressing transmission belt and the lower filter pressing transmission belt are driven to move in opposite directions, the sludge continuously moves on the top surface of the upper filter pressing transmission belt and falls between the upper filter pressing transmission belt and the lower filter pressing transmission belt, the sludge is continuously transmitted and dehydrated by the auxiliary filter pressing roller and the filter pressing roller for multiple times, and finally the sludge is discharged from the sludge discharging guide plate.

[0024] 3. Beneficial effects

[0025] Compared with the prior art, the application has the advantages that:

[0026] (1) The sludge conditioning mechanism, the sludge thickening mechanism and the sludge filter pressing mechanism are matched, the sludge conditioning mechanism and the sludge thickening mechanism are arranged side by side on the top surface of the sludge filter pressing mechanism, the sludge is sent into the conditioning tank for conditioning, then into the thickening box for thickening, and then directly discharged to the sludge filter pressing mechanism for filter pressing, the overall structure is reasonable, the overall land occupation area of the sludge thickening and conditioning mixing device is greatly reduced, the device is suitable for various small and medium-sized sewage treatment plants, the device is simple to install, the cost is low, and the device is convenient to popularize, the mutual combination reduces the transmission distance, reduces the energy consumption, and is more green and environmental protection.

[0027] (2) The stirring mechanism and the stirring basket are arranged, the mixing reaction efficiency of the sludge and the reagent is greatly accelerated during the conditioning and thickening processes, the stirring is uniform, the mixing reaction is more complete, and therefore the sludge treatment efficiency can be further accelerated.

[0028] (3) The adjusting mechanism is arranged, the positions of the first movable positioning roller, the first auxiliary positioning roller, the second movable positioning roller and the second auxiliary positioning roller can be adjusted as required, the driving lengths of the upper filter pressing transmission belt and the lower filter pressing transmission belt are changed, the filter pressing degree of the filter pressing object between the upper filter pressing transmission belt and the lower filter pressing transmission belt is adjusted, different concentrations of sludge can be adapted, and the filter pressing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a three-dimensional structure schematic view of the present application;

[0030] Figure 2 It is a side three-dimensional structure schematic view of the present application;

[0031] Figure 3 It is a side view sectional structure schematic view of the present application;

[0032] Figure 4 It is a sludge conditioning mechanism structure schematic view of the present application;

[0033] Figure 5 It is a sludge conditioning mechanism side structure schematic view of the present application;

[0034] Figure 6 It is a sludge thickening mechanism structure schematic view of the present application;

[0035] Figure 7 It is a sludge thickening mechanism side structure schematic view of the present application;

[0036] Figure 8 It is a sludge filter pressing mechanism structure schematic view of the present application;

[0037] Figure 9This is a cross-sectional view of the sludge dewatering mechanism of the present invention.

[0038] Explanation of the labels in the diagram:

[0039] 1. Conditioning tank; 2. Divider plate; 3. Overflow outlet; 4. Diverter plate; 5. Discharge outlet; 6. Inlet; 7. Support plate; 8. First servo motor; 9. Stirring rod; 10. Shrinkage angle plate; 11. Concentration tank; 12. Stirring basket; 13. Inlet pipe; 14. Discharge box; 15. Dosing pipe; 16. Nozzle; 17. Support pulley; 18. Second servo motor; 19. Side drain outlet; 20. Support frame; 21. Upper filter press conveyor belt; 22. Lower filter press conveyor belt; 3. First movable positioning roller; 24. First auxiliary positioning roller; 25. First drive roller; 26. First transmission positioning roller; 27. Second transmission positioning roller; 28. Third transmission positioning roller; 29. ​​Second drive roller; 30. Second movable positioning roller; 31. Second auxiliary positioning roller; 32. Auxiliary filter press roller; 33. Filter press roller; 34. Third servo motor; 35. Sludge discharge guide plate; 36. Track; 37. Cylinder; 38. Slider; 39. Side sealing cover; 40. Electrical control box. Detailed Implementation

[0040] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0041] Example:

[0042] Please see Figures 1-9 A sludge thickening, conditioning and mixing device and its control method, comprising a support frame 20, a sludge conditioning mechanism, a sludge thickening mechanism and a sludge filter press mechanism.

[0043] See Figures 3-5 The sludge conditioning mechanism includes a conditioning tank 1 installed on the top surface of the support frame 20. A partition plate 2 is provided on one side of the conditioning tank 1. An overflow port 3 is provided at the center of the top of the partition plate 2. An inlet 6 is provided on the side of the conditioning tank 1 away from the partition plate 2, and an outlet 5 is provided on the other side. In this embodiment, there are two outlets 5 symmetrically arranged. A stirring mechanism for thorough mixing is provided inside the conditioning tank 1.

[0044] Among them, a diversion plate 4 for diverting flow is provided between the partition plate 2 and the inner wall of the conditioning tank 1. The diversion plate 4 has a "human" shaped structure, which can conveniently and evenly divert the sludge overflowing from the overflow port 3 to the two discharge ports 5.

[0045] The stirring mechanism comprises a support plate 7 mounted on the top surface of the conditioning tank 1, a first servo motor 8 fixedly mounted on the top surface center of the support plate 7, and a stirring rod 9 rotatably connected to the bottom surface center of the support plate 7, and the power output end of the first servo motor 8 is drivingly connected to the stirring rod 9 through a shaft coupling. In the embodiment, the stirring mechanism is symmetrically provided with two groups inside the conditioning tank 1, and can stir the sludge and the medicine at both ends of the conditioning tank 1, so as to accelerate the reaction between the sludge and the medicine. Meanwhile, contraction angle plates 10 are welded to the four corners of the inner wall on the side opposite to the flow divider 4 in the conditioning tank 1, so that the conditioning tank 1 is formed into a nearly cylindrical shape, and the sludge and the medicine can be fully mixed.

[0046] Referring to Figures 3-7 The sludge concentration mechanism comprises a concentration tank 11 mounted on the top surface of the support frame 20, a discharge tank 14 provided at one end of the concentration tank 11, and stirring baskets 12 rotatably mounted inside the conditioning tank 1 and provided in two groups. The bottom end of the concentration tank 11 is also provided with support pulleys 17 for rotatably supporting the stirring baskets 12, so that the stirring baskets 12 rotate more stably. Meanwhile, a feeding pipe 13 is penetratingly mounted at the end close to the discharge tank 14 of the concentration tank 11, extends to the center position of the stirring baskets 12, and is provided in two groups matched with the stirring baskets 12. The feeding pipe 13 is connected with the discharge port 5 and used for concentrating the sludge after conditioning. The end away from the discharge tank 14 of the concentration tank 11 is provided with a driving mechanism for driving the stirring baskets 12 to rotate.

[0047] The driving mechanism comprises a second servo motor 18 fixedly mounted at the end away from the discharge tank 14 of the concentration tank 11, and drivingly connected with the stirring baskets 12 through a shaft coupling and a belt pulley assembly. In the embodiment, the driving mechanism is provided in two groups matched with the stirring baskets 12, so as to drive the two groups of stirring baskets 12 to rotate oppositely and accelerate the reaction between the sludge and the medicine.

[0048] The driving mechanism comprises a second servo motor 18 fixedly mounted at the end away from the discharge tank 14 of the concentration tank 11, and drivingly connected with the stirring baskets 12 through a shaft coupling and a belt pulley assembly. In the embodiment, the driving mechanism is provided in two groups matched with the stirring baskets 12, so as to drive the two groups of stirring baskets 12 to rotate oppositely and accelerate the reaction between the sludge and the medicine.

[0049] Referring to Figures 3-9, the sludge filter pressing mechanism comprises an upper filter pressing transmission belt 21 and a lower filter pressing transmission belt 22 which are rotatably arranged in the support frame 20, the support frame 20 is rotatably connected with a first movable positioning roller 23, a first auxiliary positioning roller 24, a first driving roller 25 and a first transmission positioning roller 26 for transmission limiting at both ends of the upper filter pressing transmission belt 21, the upper filter pressing transmission belt 21 can be supported and positioned at both ends, and the support frame 20 is rotatably connected with a second transmission positioning roller 27, a third transmission positioning roller 28, a second driving roller 29, a second movable positioning roller 30 and a second auxiliary positioning roller 31 for transmission limiting at both ends of the lower filter pressing transmission belt 22, the lower filter pressing transmission belt 22 can be supported and positioned at both ends and abutted with each other, and the support frame 20 is rotatably connected with an auxiliary filter pressing roller 32 and a filter pressing roller 33 for filter pressing between the support frame 20 and the upper filter pressing transmission belt 21;

[0050] The auxiliary filter pressing roller 32 is provided with at least three groups, three groups are arranged in the embodiment, and the auxiliary filter pressing roller 32 is arranged in an upper and lower staggered mode between the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22, the filter pressing roller 33 is provided with at least three groups, four groups are arranged in the embodiment, and the filter pressing roller 33 is also arranged in an upper and lower staggered mode between the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22, the sludge between the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22 can be gradually filter pressed, the water can be gradually removed, and finally the sludge cake can be compressed and collected, and the treatment of the sewage is completed.

[0051] The transmission mechanism is arranged between the first driving roller 25 and the second driving roller 29 and used for driving the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22 to move, the transmission mechanism comprises a third servo motor 34 fixedly installed at one end of the support frame 20, the third servo motor 34 is in transmission connection with the first driving roller 25 and the second driving roller 29 through a chain wheel assembly, the first driving roller 25 and the second driving roller 29 can be driven to rotate oppositely by the third servo motor 34, the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22 can be driven to move oppositely by the first driving roller 25 and the second driving roller 29, and the filter pressing of the sludge is completed.

[0052] Referring to Figure 1 and Figure 2 In order to conveniently adjust the filter pressing state, the first movable positioning roller 23, the first auxiliary positioning roller 24, the second movable positioning roller 30 and the second auxiliary positioning roller 31 are provided with an adjusting mechanism for adjusting the transmission length between the support frame 20, the adjusting mechanism comprises a track 36 and a cylinder 37 which are fixedly installed on the outer side of the support frame 20, a sliding block 38 is slidably connected in the track 36, the sliding block 38 is used for rotatably connecting the first movable positioning roller 23, the first auxiliary positioning roller 24, the second movable positioning roller 30 and the second auxiliary positioning roller 31, and the side surface of the sliding block 38 is fixedly connected with the power output end of the cylinder 37.

[0053] When adjusting, the slider 38 is driven by the cylinder 37 to slide inside the track 36, so as to adjust the positions of the first movable positioning roller 23, the first auxiliary positioning roller 24, the second movable positioning roller 30 and the second auxiliary positioning roller 31, thereby changing the transmission lengths of the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22, adjusting the filter pressing degree of the filter pressing object between the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22, and facilitating the adaptation to sludge of different concentrations and better filter pressing effect.

[0054] Referring to Figure 8 Wherein, the electric control box 40 is fixedly installed on the top surface of one end of the support frame 20 to provide control ability, the device is convenient to control, and the sludge discharging guide plate 35 is arranged at the bottom of the other end to facilitate the discharge of the sludge cake formed after filter pressing.

[0055] When the above device is applied, the sludge concentration conditioning mixing control method comprises the following steps:

[0056] S1, the sludge is sent into the conditioning tank 1 through the feed inlet 6 by the sludge pump, the coagulant is added into the conditioning tank 1, the sludge is stirred by the stirring rod 9 driven by the first servo motor 8 to adjust the concentration, and the completely reacted sludge can overflow from the overflow port 3 in the process of continuous adding and stirring;

[0057] S2, the sludge in S1 after overflowing is sent into the concentration box 11 through the discharge port 5 and the feed pipe 13, the second servo motor 18 is started to drive the stirring basket 12 to stir the conditioned sludge again, the flocculating agent is uniformly added by the nozzle 16 and the dosing pipe 15, the flocculation is generated after the sludge is fully stirred and mixed in the stirring basket 12, and the gravity concentration is carried out at the bottom of the concentration box 11;

[0058] S3, the sludge after gravity concentration in S2 is discharged downward through the discharge box 14 and falls on the top surface of the upper filter pressing transmission belt 21, the first driving roller 25 and the second driving roller 29 are driven to rotate oppositely by the third servo motor 34, the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22 are driven to move oppositely, the sludge continuously moves on the top surface of the upper filter pressing transmission belt 21 and falls between the upper filter pressing transmission belt 21 and the lower filter pressing transmission belt 22, continuously transmits and is filtered by the auxiliary filter pressing roller 32 and the filter pressing roller 33 for multiple times to remove water, and finally is discharged from the sludge discharging guide plate 35.

[0059] The above description is only the preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical solution and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A sludge thickening, conditioning, and mixing device, characterized in that, Comprising: A support frame (20); A sludge conditioning mechanism, the sludge conditioning mechanism includes a conditioning tank (1) installed on the top surface of the support frame (20), a partition plate (2) is provided on one side inside the conditioning tank (1), an overflow port (3) is opened at the center of the top end of the partition plate (2), a feed inlet (6) is provided on one side of the conditioning tank (1) away from the partition plate (2), and a discharge outlet (5) is provided on the other side. A stirring mechanism for thorough mixing is provided inside the conditioning tank (1); A sludge thickening mechanism, the sludge thickening mechanism includes a thickening tank (11) installed on the top surface of the support frame (20), a discharge tank (14) is provided at one end of the thickening tank (11), a stirring basket (12) is rotatably installed inside the conditioning tank (1), a feed pipe (13) is installed through the thickening tank (11) near the discharge tank (14), and the feed pipe (13) extends to the center position of the stirring basket (12). A driving mechanism for driving the stirring basket (12) to rotate is provided at one end of the thickening tank (11) away from the discharge tank (14); A sludge filter press mechanism, the sludge filter press mechanism includes an upper filter press conveyor belt (21) and a lower filter press conveyor belt (22) rotatably arranged inside the support frame (20). Inside the support frame (20), a first movable positioning roller (23), a first auxiliary positioning roller (24), a first driving roller (25), and a first transmission positioning roller (26) for driving and limiting are respectively rotatably connected at both ends of the upper filter press conveyor belt (21), and a second transmission positioning roller (27), a third transmission positioning roller (28), a second driving roller (29), a second movable positioning roller (30), and a second auxiliary positioning roller (31) for driving and limiting are respectively rotatably connected at both ends of the lower filter press conveyor belt (22). Inside the support frame (20), an auxiliary filter press roller (32) and a filter press roller (33) for filter pressing are also rotatably connected between the support frame (the support frame (20)) and the upper filter press conveyor belt (21); A flow dividing plate (4) for flow division is provided between the partition plate (2) and the inner wall of the conditioning tank (1), the flow dividing plate (4) is in a "person" - shaped structure, and shrinkage angle plates (10) are welded at the four corners of the inner wall of the conditioning tank (1) on the opposite side of the flow dividing plate (4); The stirring mechanism includes a support plate (7) installed on the top surface of the conditioning tank (1), a first servo - motor (8) is fixedly installed at the center of the top surface of the support plate (7), and a stirring rod (9) is rotatably connected at the center of the bottom surface. The power output end of the first servo - motor (8) is in transmission connection with the stirring rod (9) through a coupling; A chemical adding pipe (15) for adding chemicals is fixedly installed directly above the stirring basket (12) inside the thickening tank (11), and spray nozzles (16) are evenly installed on the bottom surface of the chemical adding pipe (15).

2. The sludge thickening, conditioning, and mixing equipment according to claim 1, characterized in that: The drive mechanism includes a second servo motor (18) fixedly installed at one end of the concentration tank (11) away from the discharge tank (14). The second servo motor (18) is connected to the stirring basket (12) via a coupling and a pulley assembly.

3. The sludge thickening, conditioning, and mixing equipment according to claim 1, characterized in that: At least three sets of auxiliary filter press rollers (32) are provided, and they are staggered between the upper filter press conveyor belt (21) and the lower filter press conveyor belt (22). At least three sets of filter press rollers (33) are provided, and they are also staggered between the upper filter press conveyor belt (21) and the lower filter press conveyor belt (22).

4. The sludge thickening, conditioning, and mixing equipment according to claim 1, characterized in that: An adjustment mechanism for adjusting the transmission length is provided between the first movable positioning roller (23), the first auxiliary positioning roller (24), the second movable positioning roller (30), and the second auxiliary positioning roller (31) and the support frame (20). The adjustment mechanism includes a track (36) and a cylinder (37) fixedly installed on the outer side of the support frame (20). A slider (38) is slidably connected inside the track (36). The slider (38) is used to rotatably connect the first movable positioning roller (23), the first auxiliary positioning roller (24), the second movable positioning roller (30), and the second auxiliary positioning roller (31). The side of the slider (38) is fixedly connected to the power output end of the cylinder (37).

5. The sludge thickening, conditioning, and mixing equipment according to claim 1, characterized in that: A transmission mechanism for driving the upper filter conveyor belt (21) and the lower filter conveyor belt (22) to move is provided between the first drive roller (25) and the second drive roller (29). The transmission mechanism includes a third servo motor (34) fixedly installed at one end of the support frame (20). The third servo motor (34) is connected to the first drive roller (25) and the second drive roller (29) through a sprocket assembly.

6. The sludge thickening, conditioning, and mixing equipment according to claim 1, characterized in that: The support frame (20) has an electrical control box (40) that provides control capabilities fixedly installed on the top surface of one end, and a mud discharge guide plate (35) for mud cake discharge is provided at the bottom of the other end.

7. A method for controlling the mixing and thickening of sludge, characterized in that, The method uses a sludge thickening, conditioning, and mixing device as described in any one of claims 1-6, and includes the following steps: S1. The sludge is fed into the conditioning tank (1) through the feed port (6) by the sludge pump. At the same time, coagulant is added into the conditioning tank (1). The first servo motor (8) drives the stirring rod (9) to stir the sludge and adjust its concentration. During the continuous addition and stirring process, the fully reacted sludge can overflow from the overflow port (3). S2. The sludge in S1 after overflow will enter the thickening tank (11) through the discharge port (5) and feed pipe (13). At the same time, the second servo motor (18) will be started to drive the stirring basket (12) to stir the sludge after conditioning for a second time. The flocculant will be added evenly through the nozzle (16) and dosing pipe (15). After being fully stirred and mixed by the stirring basket (12), flocculation will be generated and gravity thickening will be carried out at the bottom of the thickening tank (11). S3. The sludge concentrated by gravity in S2 is discharged downward through the discharge box (14) and falls to the top surface of the upper filter conveyor belt (21). At the same time, the third servo motor (34) is started to drive the first drive roller (25) and the second drive roller (29) to rotate in opposite directions. This drives the upper filter conveyor belt (21) and the lower filter conveyor belt (22) to move in opposite directions, so that the sludge moves continuously on the top surface of the upper filter conveyor belt (21) and falls between the upper filter conveyor belt (21) and the lower filter conveyor belt (22). It is continuously transported and filtered multiple times by the auxiliary filter roller (32) and the filter roller (33) to remove water. Finally, it is discharged from the sludge guide plate (35).

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