Sludge dewatering device for sewage plant

Abstract

The invention relates to the technical field of sludge dewatering, and discloses a sewage plant sludge dewatering device which comprises a main machine base, an extrusion forming assembly is arranged on the outer wall of the main machine base, an inclined rod is fixedly assembled at the top of the main machine base, and a dewatering box is fixedly installed at the top of the inclined rod. A supporting frame is fixedly installed on the outer wall of one end of the dewatering box. A rotating motor can start to work by transmitting a signal through an electric control cabinet, so that a rotating rod can drive an extrusion roller I to rotate, a driven gear can drive an adjusting gear to rotate while rotating, and sludge can be subjected to secondary dehydration while an extrusion roller II and the extrusion roller I rotate inwards; the sludge dewatering device is simple in structure and convenient to operate, sludge can be extruded for forming in the dewatering process, the device can reduce the water content of the sludge from 80%-85% to 20% or below, deep dewatering of the sludge is achieved, the dewatering efficiency of the sludge is improved, and the overall environmental influence of sludge treatment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sludge dehydration, in particular to a sludge dehydration device for a sewage plant. Background Art

[0002] The sludge dewatering device in a sewage plant is a key part of the sewage treatment process. Its purpose is to remove moisture from the sludge to facilitate the transportation and disposal of the sludge.

[0003] Traditional sludge dewatering is to spread the sludge and dry it on a natural filter layer or an artificial filter layer drying site, and use solar energy, wind energy and air to evaporate the water in the sludge from the inside to the outside. However, this method is only suitable for areas with dry climate and not tight land use, and the cycle is long. The existing sewage plant sludge dewatering equipment has high energy consumption and complex maintenance. At the same time, after the sludge is dehydrated, the sludge falls in the form of slag, which is not convenient for transportation and subsequent collection. Therefore, it is improved. Summary of the invention

[0004] The present invention provides a sludge dewatering device for a sewage plant, which has the advantages of automatically shaping the dehydrated sludge and automatically unloading the sludge, has high working efficiency, and improves the utilization rate of the sludge by the device, thus solving the problems raised by the above-mentioned background technology.

[0005] The present invention provides the following technical solution: a sludge dewatering device for a sewage treatment plant, comprising a main engine base, an outer wall of the main engine base is provided with an extrusion molding component, the top of the main engine base is fixedly equipped with an inclined rod, the top of the inclined rod is fixedly equipped with a dewatering box, a support frame is fixedly equipped with an outer wall at one end of the dewatering box, and a water inlet cylinder is fixedly equipped with an outer wall at the other end of the dewatering box, a spindle motor is fixedly equipped with an outer wall of the support frame, a mud discharge bucket is fixedly equipped with the bottom of the support frame, an automatic unloading component is provided at the bottom of the extrusion molding component, a power output shaft of the spindle motor is fixedly equipped with a screw, a screw stacking main body component is provided on the inner wall of the dewatering box, and a flip cover is provided on the top of the dewatering box.

[0006] As a preferred technical solution of the present invention, the top of the water inlet cylinder is fixedly equipped with one end connected to a water pipe, the other end of the connected water pipe is installed with a stirring box, the top of the stirring box is fixedly equipped with a support plate, the top of the support plate is fixedly equipped with a stirring motor, the power output shaft of the stirring motor is fixedly equipped with a stirring shaft, the outer wall of the stirring shaft is fixedly equipped with stirring blades, and the inner wall of the stirring box is provided with a partition layer.

[0007] As a preferred technical solution of the present invention, the outer wall of the mixing box is fixedly installed with a flocculation box and a fixture, the inner wall of the fixture is clamped with a water inlet pipe, the outer wall of the water inlet pipe is fixedly equipped with one end connecting water pipe two, the other end of the connecting water pipe two is fixedly installed with a through pipe, the outer wall of the through pipe is fixedly installed with a flushing pipe, and the outer wall of the flushing pipe is fixedly equipped with a high-pressure nozzle.

[0008] As a preferred technical solution of the present invention, a crossbeam is installed at the bottom of the dehydration box, a water collecting trough is provided at the bottom of the crossbeam, a sewage overflow port and a sewage inlet are fixedly installed at the bottom of the flocculation box, a dosing pipe is fixedly installed on the outer wall of the flocculation box, a support seat is installed at the bottom of the mixing box, a bottom plate is fixedly installed on the outer wall of the support seat, an electric control cabinet is fixedly installed on the top of the bottom plate, an overflow pipe is provided on the inner wall of the flocculation box, and a drain port is fixedly installed on the outer wall of the water collecting trough close to the mixing box.

[0009] As a preferred technical solution of the present invention, the extrusion molding assembly includes a vertical plate, a rotating motor is fixedly installed on the outer wall of the vertical plate, a rotating rod is fixedly installed on the power output shaft of the rotating motor, an extrusion roller is fixedly sleeved on the outer wall of the rotating rod, a sliding groove is opened on the outer wall of the vertical plate, a slider is slidably connected to the inner wall of the sliding groove, a threaded rod is fixedly installed on the outer wall of the slider, and a handle is fixedly installed on the outer wall of the threaded rod.

[0010] As a preferred technical solution of the present invention, the inner wall of the slider is rotatably sleeved with a center rod, the outer wall of the center rod is sleeved with extrusion roller 2, the outer wall of the center rod is fixedly sleeved with an adjusting gear, the outer walls of the adjusting gear are respectively meshed with a limit gear and a driven gear, the outer wall of the driven gear is meshed with a rotating gear, the outer wall of the adjusting gear is rotatably sleeved with a connecting handle 1, and the outer wall of the connecting handle 1 is rotatably connected to a connecting handle 2.

[0011] As a preferred technical solution of the present invention, the rotating motor is electrically connected to the electric control cabinet, the number of the slider, threaded rod and handle are two, and the two sliders, threaded rods and handles are symmetrically distributed at both ends of the second extrusion roller, and the outer wall of the threaded rod is threadedly connected to the inner wall of the vertical plate.

[0012] As a preferred technical solution of the present invention, the automatic unloading component includes a servo motor, a power output shaft of the servo motor is fixedly equipped with a rotating shaft, the outer wall of the rotating shaft is sleeved with a limiting plate, the outer wall of the rotating shaft is fixedly equipped with a connecting block, the inner wall of the connecting block is fixedly equipped with a round rod, the outer wall of the round rod is movably sleeved with a tension spring, the bottom of the connecting block is fixedly equipped with a right-angle plate, the outer wall of the right-angle plate is rotatably connected with a push plate, the inner wall of the push plate is slidably connected with a support rod, the inner wall of the support rod is slidably sleeved with a sliding rod, both ends of the sliding rod are equipped with mounting plates, and the top of the mounting plate is fixedly equipped with a mud plate.

[0013] As a preferred technical solution of the present invention, the servo motor is electrically connected to the electric control cabinet, the two ends of the mud plate are fixedly installed between the two vertical plates, the top of the limit plate is fixedly installed on the bottom of the mud plate, and a square groove is opened at the bottom of the mud plate, and the width of the square groove is adapted to the top width of the push plate.

[0014] As a preferred technical solution of the present invention, the spiral main body assembly includes a spiral shaft, the outer wall of the spiral shaft is fixedly mounted with a spiral blade, the outer wall of the spiral blade is respectively sleeved with a fixed ring and a movable ring, the outer wall of the fixed ring is provided with a mounting groove, and the outer wall of the movable ring is provided with a filter hole; The pitch of the spiral blade gradually decreases from one end of the mixing box to one end of the extrusion molding component. There are three groups of spiral main body components, and the three groups of spiral main body components are evenly distributed on the inner wall of the dehydration box. The fixed ring and the movable ring are alternately distributed on the outer wall of the spiral blade.

[0015] The present invention has the following beneficial effects: 1. The sludge dewatering device of the sewage treatment plant can start working by transmitting a signal through the electric control cabinet, so that the rotating motor can start working, so that the rotating rod can drive the squeezing roller 1 to rotate, so that the driven gear can drive the adjusting gear to rotate while rotating, and the squeezing roller 2 and the squeezing roller 1 can rotate inwards at the same time to perform secondary dewatering of the sludge, and the sludge can be extruded into a formed shape during the dewatering process, so that the device can reduce the sludge with a moisture content of 80% to 85% to less than 20%, thereby realizing deep dehydration of the sludge, which not only improves the dehydration efficiency of the sludge, but also reduces the overall environmental impact of sludge treatment.

[0016] 2. The sludge dewatering device of the sewage treatment plant transmits a signal through the electric control cabinet, which enables the servo motor to start working, thereby driving the rotating shaft to rotate, and can drive the connecting block to rotate, so that the connecting block can slide on the outer wall of the round rod, and drive the push plate to slide on the inner wall of the square groove opened at the bottom of the mud plate through the right-angle plate, so that the top of the push plate can automatically unload the mud blocks formed on the top of the mud plate, so that it can operate continuously, with high working efficiency, and improve the utilization rate of the sludge of the device.

[0017] 3. The sludge dewatering device of the sewage treatment plant, through the characteristics of the fixed ring and the movable ring alternately distributed on the outer wall of the spiral blade, it can be known that the outer wall of the spiral blade can be filtered by multiple overlapping sheets, and the spiral blade is pushed by the spiral rotation, and the filter holes are opened on the outer wall of the movable ring to improve the traditional machine. The device can be used for the dewatering of various sludges and the solid-liquid separation of slag materials, thereby effectively improving the sludge dewatering efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a structural schematic diagram of the other side of the present invention; Figure 3 It is a schematic diagram of the top structure of the present invention; Figure 4 It is a schematic diagram of the bottom structure of the present invention; Figure 5 It is a schematic diagram of the cross-sectional structure of the present invention; Figure 6 It is a schematic diagram of the internal structure of the present invention; Figure 7 It is a schematic diagram of the local structure of the present invention; Figure 8 It is a schematic diagram of the structure of the extrusion molding component of the present invention; Fig. 9 This is a schematic diagram of the mud discharge bucket structure of the present invention; Fig.10 This is a schematic diagram of the structure of the automatic blanking component of the present invention; Fig.11 It is a schematic diagram of the filter hole structure of the present invention; Fig.12 For the present invention Figure 7 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. Main machine base; 2. Extrusion molding assembly; 3. Inclined rod; 4. Dehydration box; 5. Support frame; 6. Spindle motor; 7. Mud discharge bucket; 8. Automatic unloading assembly; 9. Flip cover; 10. Screw rod; 11. Main screw assembly; 201, vertical plate; 202, rotating motor; 203, rotating rod; 204, squeezing roller 1; 205, chute; 206, slider; 207, threaded rod; 208, handle; 209, center rod; 210, squeezing roller 2; 211, adjusting gear; 212, limiting gear; 213, connecting handle 1; 214, connecting handle 2; 215, rotating gear; 216, driven gear; 12, water inlet cylinder; 13, connecting water pipe 1; 14, mixing box; 1 5. Support plate; 16. Stirring motor; 17. Stirring shaft; 18. Stirring blade; 19. Separation layer; 20. Flocculation box; 21. Fixer; 22. Water inlet pipe; 23. Connecting water pipe 2; 24. Through pipe; 25. Flushing pipe; 26. High-pressure nozzle; 27. Crossbeam; 28. Water collecting tank; 29. ​​Sewage overflow port; 30. Sewage inlet; 31. Dosing pipe; 32. Support seat; 33. Bottom plate; 34. Electric control cabinet; 35. Overflow pipe; 36. Drainage port; 801, servo motor; 802, rotating shaft; 803, limit plate; 804, connecting block; 805, round rod; 806, tension spring; 807, right angle plate; 808, push plate; 809, support rod; 810, slide rod; 811, mounting plate; 812, mud plate; 1101, spiral shaft; 1102, spiral blade; 1103, fixed ring; 1104, movable ring; 1105, mounting groove; 1106, filter hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1 - Fig.12 A sludge dewatering device for a sewage treatment plant comprises a main engine base 1, an extrusion molding component 2 is arranged on the outer wall of the main engine base 1, an inclined rod 3 is fixedly mounted on the top of the main engine base 1, a dewatering box 4 is fixedly mounted on the top of the inclined rod 3, a support frame 5 is fixedly mounted on the outer wall of one end of the dewatering box 4, and a water inlet cylinder 12 is fixedly mounted on the outer wall of the other end of the dewatering box 4, a spindle motor 6 is fixedly mounted on the outer wall of the support frame 5, a mud discharge bucket 7 is fixedly mounted on the bottom of the support frame 5, an automatic unloading component 8 is arranged on the bottom of the extrusion molding component 2, a screw rod 10 is fixedly mounted on the power output shaft of the spindle motor 6, a screw main body component 11 is arranged on the inner wall of the dewatering box 4, and a flip cover 9 is arranged on the top of the dewatering box 4; By utilizing the above structure, the device is supported as a whole by the main body base 1 and the support base 32, so that the stability of the device in dehydrating sludge when placed can be increased.

[0022] In a preferred embodiment, the top of the water inlet cylinder 12 is fixedly equipped with one end connected to a water pipe 13, the other end of the water pipe 13 is installed with a stirring box 14, the top of the stirring box 14 is fixedly equipped with a support plate 15, the top of the support plate 15 is fixedly equipped with a stirring motor 16, the power output shaft of the stirring motor 16 is fixedly equipped with a stirring shaft 17, the outer wall of the stirring shaft 17 is fixedly equipped with a stirring blade 18, and the inner wall of the stirring box 14 is provided with a partition layer 19; By utilizing the above structure, a signal is transmitted through the electric control cabinet 34, so that the stirring motor 16 can start working, thereby enabling the stirring shaft 17 to rotate, and enabling the stirring blades 18 to stir the inner wall of the stirring box 14, so that the stirring blades 18 can mix the liquid on the inner wall of the stirring box 14 evenly.

[0023] In a preferred embodiment, the outer wall of the mixing box 14 is respectively fixedly mounted with a flocculation box 20 and a fixture 21, the inner wall of the fixture 21 is clamped with a water inlet pipe 22, the outer wall of the water inlet pipe 22 is fixedly mounted with one end connected to a water pipe 23, the other end of the water pipe 23 is fixedly mounted with a through pipe 24, the outer wall of the through pipe 24 is fixedly mounted with a flushing pipe 25, and the outer wall of the flushing pipe 25 is fixedly mounted with a high-pressure nozzle 26; By utilizing the above structure, a water source is connected to the bottom of the water inlet pipe 22, so that the water source can enter the interior of the through-tube 24 through the connecting water pipe 23, and be diverted to the inner wall of the flushing pipe 25, so that the high-pressure nozzle 26 can spray water to flush the inner wall of the dehydration box 4, which can effectively avoid blockage and effectively extend the service life of the device.

[0024] In a preferred embodiment, a crossbeam 27 is installed at the bottom of the dehydration box 4, a water collecting tank 28 is provided at the bottom of the crossbeam 27, a sewage overflow port 29 and a sewage inlet 30 are fixedly installed at the bottom of the flocculation box 20, a dosing pipe 31 is fixedly installed on the outer wall of the flocculation box 20, a support seat 32 is installed at the bottom of the mixing box 14, a bottom plate 33 is fixedly installed on the outer wall of the support seat 32, an electric control cabinet 34 is fixedly installed on the top of the bottom plate 33, an overflow pipe 35 is provided on the inner wall of the flocculation box 20, and a drain port 36 is fixedly installed on the outer wall of the water collecting tank 28 close to the mixing box 14; By utilizing the above structure and setting the drain port 36, the drain port 36 can discharge the water source after dehydration of the sludge collected on the inner wall of the sump 28 and the sewage after flushing the inner wall of the dehydration box 4, thereby ensuring that the inner wall of the sump 28 is always in an empty state, which is convenient for the operation of the equipment.

[0025] In a preferred embodiment, the extrusion molding assembly 2 includes a vertical plate 201, a rotating motor 202 is fixedly installed on the outer wall of the vertical plate 201, a rotating rod 203 is fixedly installed on the power output shaft of the rotating motor 202, an extrusion roller 204 is fixedly sleeved on the outer wall of the rotating rod 203, a slide groove 205 is opened on the outer wall of the vertical plate 201, a slider 206 is slidably connected to the inner wall of the slide groove 205, a threaded rod 207 is fixedly installed on the outer wall of the slider 206, and a handle 208 is fixedly installed on the outer wall of the threaded rod 207; In a preferred embodiment, the inner wall of the slider 206 is rotatably sleeved with a center rod 209, the outer wall of the center rod 209 is sleeved with a second squeezing roller 210, the outer wall of the center rod 209 is fixedly sleeved with an adjusting gear 211, the outer wall of the adjusting gear 211 is respectively meshed with a limited gear 212 and a driven gear 216, the outer wall of the driven gear 216 is meshed with a rotating gear 215, the outer wall of the adjusting gear 211 is rotatably sleeved with a connecting handle 1 213, and the outer wall of the connecting handle 1 213 is rotatably connected to a connecting handle 2 214; By utilizing the above structure, the threaded rod 207 can be rotated by rotating the handle 208, and can drive the slider 206 to slide on the inner wall of the slide groove 205, so that the adjusting gear 211 can be rotated along the direction of the engagement of the limit gear 212, and then the squeezing roller 2 210 can be moved in the direction away from the squeezing roller 1 204, and the distance between the squeezing roller 1 204 and the squeezing roller 2 210 can be adjusted, making the functionality of the device more comprehensive.

[0026] In a preferred embodiment, the rotating motor 202 is electrically connected to the electric control cabinet 34, the number of the slider 206, the threaded rod 207 and the handle 208 are all two, and the two sliders 206, the threaded rod 207 and the handle 208 are symmetrically distributed at both ends of the squeezing roller 210, and the outer wall of the threaded rod 207 is threadedly connected to the inner wall of the vertical plate 201; By utilizing the above structure, a signal is transmitted through the electric control cabinet 34, so that the rotating motor 202 can start working, thereby enabling the rotating rod 203 to drive the squeezing roller 1 204 to rotate, so that the driven gear 216 can drive the adjusting gear 211 to rotate while rotating, and the squeezing roller 2 210 and the squeezing roller 1 204 can be rotated inward while the sludge is dehydrated for a second time, and the sludge can be squeezed into shape during the dehydration process, so that the sludge can fall in blocks.

[0027] In a preferred embodiment, the automatic unloading component 8 includes a servo motor 801, the power output shaft of the servo motor 801 is fixedly equipped with a rotating shaft 802, the outer wall of the rotating shaft 802 is sleeved with a limit plate 803, the outer wall of the rotating shaft 802 is fixedly installed with a connecting block 804, the inner wall of the connecting block 804 is fixedly installed with a round rod 805, the outer wall of the round rod 805 is movably sleeved with a tension spring 806, the bottom of the connecting block 804 is fixedly equipped with a right-angle plate 807, the outer wall of the right-angle plate 807 is rotatably connected with a push plate 808, the inner wall of the push plate 808 is slidably connected with a support rod 809, the inner wall of the support rod 809 is slidably sleeved with a slide bar 810, both ends of the slide bar 810 are installed with mounting plates 811, and the top of the mounting plate 811 is fixedly equipped with a mud plate 812; By utilizing the above structure and through the setting of the tension spring 806, the push plate 808 can utilize the elasticity of the tension spring 806 to complete the automatic reset work after sliding, so that it can work continuously. At the same time, due to the setting of the limit plate 803 and the installation position of the limit plate 803, it can be known that the limit plate 803 can limit and fix the rotating shaft 802.

[0028] In a preferred embodiment, the servo motor 801 is electrically connected to the electric control cabinet 34, the two ends of the mud plate 812 are fixedly installed between the two vertical plates 201, the top of the limit plate 803 is fixedly installed at the bottom of the mud plate 812, and a square groove is opened at the bottom of the mud plate 812, and the width of the square groove is adapted to the top width of the push plate 808; By utilizing the above structure, a signal is transmitted through the electric control cabinet 34, so that the servo motor 801 can start working, thereby driving the rotating shaft 802 to rotate, and driving the connecting block 804 to rotate, so that the connecting block 804 can slide on the outer wall of the round rod 805, and drive the push plate 808 to slide on the inner wall of the square groove opened at the bottom of the mud plate 812 through the right-angle plate 807, so that the top of the push plate 808 can automatically unload the mud block formed on the top of the mud plate 812.

[0029] In a preferred embodiment, the spiral main body assembly 11 includes a spiral shaft 1101, a spiral blade 1102 is fixedly mounted on the outer wall of the spiral shaft 1101, a fixed ring 1103 and a movable ring 1104 are respectively sleeved on the outer wall of the spiral blade 1102, a mounting groove 1105 is formed on the outer wall of the fixed ring 1103, and a filter hole 1106 is formed on the outer wall of the movable ring 1104; The pitch of the spiral blade 1102 gradually decreases from one end of the mixing box 14 to one end of the extrusion molding assembly 2. There are three groups of spiral main body assemblies 11, and the three groups of spiral main body assemblies 11 are evenly distributed on the inner wall of the dehydration box 4. The fixed ring 1103 and the movable ring 1104 are alternately distributed on the outer wall of the spiral blade 1102. By utilizing the above structure, through the characteristics of the fixed ring 1103 and the movable ring 1104 being alternately distributed on the outer wall of the spiral blade 1102, it can be known that the outer wall of the spiral blade 1102 can be filtered using multiple overlapping sheets, and the spiral blade 1102 is pushed by spiral rotation, and at the same time, the filter hole 1106 is opened on the outer wall of the movable ring 1104 to improve the traditional machine, so that the device can be suitable for the dehydration of various sludges and the solid-liquid separation of slag materials.

[0030] Working principle: when using the device, the sludge is adsorbed on the inner wall of the flocculation box 20 through the pump body, and the agent is added to the inner wall of the stirring box 14 through the dosing pipe 31, and the electric control cabinet 34 sends a signal to enable the stirring motor 16 to start working, so that the stirring shaft 17 can rotate, and the stirring blade 18 can stir the inner wall of the stirring box 14, so that the stirring blade 18 can make the liquid on the inner wall of the stirring box 14 mix evenly and improve its dehydration performance, so that the mixed liquid can pass through the continuous The water pipe 13 enters the inner wall of the water inlet cylinder 12, and is pushed by the spiral blade 1102. At the same time, the filter hole 1106 is opened on the outer wall of the movable ring 1104. The conventional machine is improved so that the device can be applied to the dehydration of various sludges and the solid-liquid separation of slag materials. The water removed from the sludge can fall to the inner wall of the water collecting tank 28, and the dehydrated sludge can fall between the squeezing roller 1 204 and the squeezing roller 2 210. The signal is transmitted through the electric control cabinet 34, so that the rotating motor 202 can start working. , so that the rotating rod 203 can drive the squeezing roller 1 204 to rotate, so that the driven gear 216 can drive the adjusting gear 211 to rotate while rotating, so that the squeezing roller 210 and the squeezing roller 1 204 can rotate inwards while performing secondary dehydration of the sludge, and the sludge can be squeezed into shape during the dehydration process, so that the sludge can fall on the top of the mud plate 812 in a block shape. At this time, the servo motor 801 can start working, thereby driving the rotating shaft 802 to rotate, and can It can drive the connecting block 804 to rotate, so that the connecting block 804 can slide on the outer wall of the round rod 805, and drive the push plate 808 to slide on the inner wall of the square groove opened at the bottom of the mud plate 812 through the right-angle plate 807, so that the top of the push plate 808 can automatically unload the mud block formed on the top of the mud plate 812, and the volume of the sludge can be reduced after deep dehydration, which is convenient for storage and transportation, saves cost and space, has high stability and compostability, and effectively reduces pollution to the environment.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge dewatering device for a sewage treatment plant, comprising a main engine base (1), characterized in that: The outer wall of the main engine base (1) is provided with an extrusion molding component (2), the top of the main engine base (1) is fixedly equipped with an inclined rod (3), the top of the inclined rod (3) is fixedly equipped with a dewatering box (4), one end of the outer wall of the dewatering box (4) is fixedly equipped with a support frame (5), and the other end of the outer wall of the dewatering box (4) is fixedly equipped with a water inlet cylinder (12), the outer wall of the support frame (5) is fixedly equipped with a spindle motor (6), and the bottom of the support frame (5) is fixedly equipped with a mud discharge bucket (7), the bottom of the extrusion molding component (2) is provided with an automatic unloading component (8), the power output shaft of the spindle motor (6) is fixedly equipped with a screw (10), the inner wall of the dewatering box (4) is provided with a screw stacking main body component (11), and the top of the dewatering box (4) is provided with a flip cover (9).

2. A sewage treatment plant sludge dewatering device according to claim 1, characterized in that: One end of a water connection pipe (13) is fixedly mounted on the top of the water inlet cylinder (12), a stirring box (14) is mounted on the other end of the water connection pipe (13), a support plate (15) is fixedly mounted on the top of the stirring box (14), a stirring motor (16) is fixedly mounted on the top of the support plate (15), a stirring shaft (17) is fixedly mounted on the power output shaft of the stirring motor (16), a stirring blade (18) is fixedly mounted on the outer wall of the stirring shaft (17), and a partition layer (19) is provided on the inner wall of the stirring box (14).

3. A sewage treatment plant sludge dewatering device according to claim 2, characterized in that: The outer wall of the mixing box (14) is respectively fixedly mounted with a flocculation box (20) and a fixture (21); the inner wall of the fixture (21) is clamped with a water inlet pipe (22); the outer wall of the water inlet pipe (22) is fixedly mounted with one end of a second water pipe (23); the other end of the second water pipe (23) is fixedly mounted with a through pipe (24); the outer wall of the through pipe (24) is fixedly mounted with a flushing pipe (25); and the outer wall of the flushing pipe (25) is fixedly mounted with a high-pressure nozzle (26).

4. A sewage treatment plant sludge dewatering device according to claim 3, characterized in that: A crossbeam (27) is installed at the bottom of the dewatering box (4), a water collecting trough (28) is provided at the bottom of the crossbeam (27), a sewage overflow port (29) and a sewage inlet (30) are fixedly installed at the bottom of the flocculation box (20), a dosing pipe (31) is fixedly installed on the outer wall of the flocculation box (20), a support seat (32) is installed at the bottom of the stirring box (14), a bottom plate (33) is fixedly installed on the outer wall of the support seat (32), an electric control cabinet (34) is fixedly installed on the top of the bottom plate (33), an overflow pipe (35) is provided on the inner wall of the flocculation box (20), and a drainage port (36) is fixedly installed on the outer wall of the water collecting trough (28) on one side close to the stirring box (14).

5. A sewage treatment plant sludge dewatering device according to claim 1, characterized in that: The extrusion molding assembly (2) comprises a vertical plate (201), a rotating motor (202) is fixedly mounted on the outer wall of the vertical plate (201), a power output shaft of the rotating motor (202) is fixedly mounted with a rotating rod (203), an outer wall of the rotating rod (203) is fixedly sleeved with an extrusion roller (204), a sliding groove (205) is formed on the outer wall of the vertical plate (201), a sliding block (206) is slidably connected to the inner wall of the sliding groove (205), a threaded rod (207) is fixedly mounted on the outer wall of the sliding block (206), and a handle (208) is fixedly mounted on the outer wall of the threaded rod (207).

6. A sewage treatment plant sludge dewatering device according to claim 5, characterized in that: The inner wall of the slider (206) is rotatably sleeved with a center rod (209), the outer wall of the center rod (209) is sleeved with a second squeezing roller (210), the outer wall of the center rod (209) is fixedly sleeved with an adjusting gear (211), the outer wall of the adjusting gear (211) is respectively meshed with a limit gear (212) and a driven gear (216), the outer wall of the driven gear (216) is meshed with a rotating gear (215), the outer wall of the adjusting gear (211) is rotatably sleeved with a connecting handle 1 (213), and the outer wall of the connecting handle 1 (213) is rotatably connected to a connecting handle 2 (214).

7. A sewage treatment plant sludge dewatering device according to claim 6, characterized in that: The rotating motor (202) is electrically connected to the electric control cabinet (34); the number of the slider (206), the threaded rod (207) and the handle (208) is two, and the two sliders (206), the threaded rod (207) and the handle (208) are symmetrically distributed at two ends of the second squeezing roller (210); the outer wall of the threaded rod (207) is threadedly connected to the inner wall of the vertical plate (201).

8. The sludge dewatering device for a sewage treatment plant according to claim 1, characterized in that: The automatic unloading assembly (8) comprises a servo motor (801), the power output shaft of the servo motor (801) is fixedly equipped with a rotating shaft (802), the outer wall of the rotating shaft (802) is sleeved with a limit plate (803), the outer wall of the rotating shaft (802) is fixedly equipped with a connecting block (804), the inner wall of the connecting block (804) is fixedly equipped with a round rod (805), the outer wall of the round rod (805) is movably sleeved with a tension spring (806), the bottom of the connecting block (804) is fixedly equipped with a right-angle plate (807), the outer wall of the right-angle plate (807) is rotatably connected with a push plate (808), the inner wall of the push plate (808) is slidably connected with a support rod (809), the inner wall of the support rod (809) is slidably sleeved with a slide rod (810), both ends of the slide rod (810) are equipped with mounting plates (811), and the top of the mounting plate (811) is fixedly equipped with a mud plate (812).

9. A sewage treatment plant sludge dewatering device according to claim 8, characterized in that: The servo motor (801) is electrically connected to the electric control cabinet (34); the two ends of the mud plate (812) are fixedly mounted between the two vertical plates (201); the top of the limit plate (803) is fixedly mounted on the bottom of the mud plate (812); a square groove is provided at the bottom of the mud plate (812); and the width of the square groove matches the width of the top of the push plate (808).

10. A sewage treatment plant sludge dewatering device according to claim 1, characterized in that: The spiral stack main body component (11) comprises a spiral shaft (1101), a spiral blade (1102) is fixedly mounted on the outer wall of the spiral shaft (1101), a fixed ring (1103) and a movable ring (1104) are respectively sleeved on the outer wall of the spiral blade (1102), a mounting groove (1105) is formed on the outer wall of the fixed ring (1103), and a filter hole (1106) is formed on the outer wall of the movable ring (1104); The pitch of the spiral blade (1102) gradually decreases from one end of the mixing box (14) to one end of the extrusion molding component (2). There are three groups of the spiral main body components (11), and the three groups of spiral main body components (11) are evenly distributed on the inner wall of the dehydration box (4). The fixed ring (1103) and the movable ring (1104) are alternately distributed on the outer wall of the spiral blade (1102).

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