Sludge dewatering device for sewage treatment
By designing a sludge dewatering device for wastewater treatment, a servo motor is used to drive the rotating shaft for centrifugal filtration and hydraulic rod extrusion. Combined with an inclined discharge and hammer discharge structure, the problem of difficult sludge cleaning is solved, achieving efficient dewatering and convenient cleaning.
Patent Information
- Application Number
- CN202520264532.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing sludge dewatering devices are difficult to clean after sludge removal, resulting in reduced equipment efficiency.
A sludge dewatering device for wastewater treatment was designed, comprising a dewatering cylinder, a filter cylinder, a slapping discharge structure, and a pouring structure. The device utilizes a servo motor to drive the rotating shaft for centrifugal filtration, a hydraulic rod to compress the sludge, and the dewatering cylinder is tilted and poured by adjusting the screw and transmission chain. The slapping discharge structure further enhances the discharge effect.
It achieves efficient dewatering and convenient cleaning of sludge, improving the efficiency and effectiveness of the equipment.
Smart Images

Figure CN223586731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to sewage treatment technical field, especially, relate to a sludge dewatering device for sewage treatment. BACKGROUND
[0002] Sludge is the inevitable product after sewage treatment in sewage treatment plant and sewage station, and sludge that is not well treated and disposed will directly cause secondary pollution to water body and atmosphere, and will also pose a serious threat to ecological environment and human activities, and dewatered sludge refers to solid residues remaining after wet sludge is dewatered by drainage or filtration, and the moisture content of the sludge is reduced to 65% to 85% after various dewatering treatments, and the sludge becomes wet soil;
[0003] After retrieval, a sludge dewatering device for sewage treatment is disclosed in CN216785960U; the existing sludge dewatering device can well separate the middle water of sludge during use, but the separated sludge is accumulated in the inside of the separation cylinder, and the sludge cannot be well cleaned out, which seriously reduces the working effect and is not conducive to the use of the equipment.
[0004] Therefore, we provide a sludge dewatering device for sewage treatment to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a sludge dewatering device for sewage treatment, which can solve the problem that the existing sludge dewatering device can well separate the middle water of sludge during use, but the separated sludge is accumulated in the inside of the separation cylinder, and the sludge cannot be well cleaned out, which seriously reduces the working effect and is not conducive to the use of the equipment.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:
[0007] The utility model is a sludge dewatering device for sewage treatment, which comprises a fixed base, a support frame is fixedly installed at the upper end of the fixed base, a dewatering cylinder is rotatably installed in the inside of the support frame, a filter screen cylinder is rotatably installed in the inside of the dewatering cylinder, knocking-out structures are arranged at the two sides of the filter screen cylinder, a pouring-out structure is arranged on one side of the dewatering cylinder, a water outlet pipe is arranged at the lower end of the dewatering cylinder, a receiving box is installed at the upper end of the fixed base, and the receiving box is located below the water outlet pipe.
[0008] The utility model is further provided with an installation frame fixedly installed at the upper end of the fixed base, a feeding pipe is inserted into the inside of the installation frame, a hydraulic rod is installed at the upper end in the inside of the installation frame, and a pressing plate is installed at the lower end of the hydraulic rod.
[0009] The utility model further sets up, the installation strip one side fixed mounting has drive motor, drive motor's output and one of adjusting screw transmission connection, two adjusting screw between the movable sleeve has the adjusting strip, the upper end of adjusting strip movable mounting has the adjusting support, the one end of adjusting support is connected with dehydration cylinder.
[0010] The utility model further sets up, the installation strip one side fixed mounting has drive motor, drive motor's output and one of adjusting screw transmission connection, two adjusting screw between the movable sleeve has the adjusting strip, the upper end of adjusting strip movable mounting has the adjusting support, the one end of adjusting support is connected with dehydration cylinder.
[0011] The utility model further sets up, the dehydration cylinder's lower end is installed with servo motor, the inside rotation of dehydration cylinder is installed with the pivot, the surface of pivot is installed with rotation gear, the outside of filter screen cylinder is installed with the rotation tooth ring that meshes with rotation gear.
[0012] The utility model further sets up, the knock out structure of material includes crankshaft, the crankshaft has four, its rotation is installed at the both sides of dehydration cylinder inner wall respectively, the surface movable sleeve of crankshaft has the movable connecting rod.
[0013] The utility model further sets up, the both sides of dehydration cylinder inner wall are all fixed mounting with fixed strip, the surface movable of fixed strip inserts has movable rod, one end of movable rod is installed with knock strip, the other end of movable rod is installed with connecting strip, connecting strip and one end movable of connecting rod are connected.
[0014] The utility model further sets up, the surface of crankshaft is installed with the occlusion gear, the inside rotation of dehydration cylinder is installed with transmission gear ring, transmission gear ring and occlusion gear are engaged, the upper end of dehydration cylinder is installed with driver, driver and one of crankshaft transmission connection.
[0015] The utility model has the advantages of following:
[0016] 1、 the utility model discloses, the sewage containing sludge is through the feeding pipe and enters the inside of the filter screen cylinder of dehydration cylinder, servo motor drives the pivot to rotate, and the pivot can drive the filter screen cylinder to rotate through the rotation gear and the rotation tooth ring, can filter the sewage in sludge through centrifugal force, and the hydraulic rod drives the pressing plate to move down, and the sludge in the filter screen cylinder is extruded, and the dehydration effect is strengthened;
[0017] 2. The utility model discloses, after dehydration, the drive motor drives the adjusting screw rod rotation, and two adjusting screw rods rotate synchronously under the action of transmission sprocket and transmission chain, make the adjusting strip move on the surface of adjusting screw rod, and the adjusting strip drives the one end of adjusting support to move, and the adjusting support drives the dehydration cylinder to rotate in the support frame, so that the dehydration cylinder is inclined, and it is convenient for the sludge in the filter screen cylinder to pour out. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to introduce the drawing briefly to the embodiment, and obviously, the drawing in the following description only is some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.
[0019] Figure 1 It is the device three-dimensional structure schematic view of the utility model;
[0020] Figure 2 It is the device side surface structure schematic view of the utility model;
[0021] Figure 3 It is the device knock out structure installation place structure schematic view of the utility model;
[0022] Figure 4 It is the device of the utility model Figure 3 Enlarged structure schematic view of A place.
[0023] In the drawing, the component list that each sign represents is as follows:
[0024] 100, fixed base;110, support frame;120, material receiving box;200, dehydration cylinder;201, water outlet pipe;210, filter screen cylinder;211, rotating tooth ring;220, driver;221, crankshaft;222, movable connecting rod;223, fixed strip;224, knock strip;225, movable rod;226, connecting strip;227, meshing gear;228, transmission tooth ring;230, servo motor;231, rotating shaft;232, rotating gear;300, mounting strip;310, adjusting screw rod;311, drive motor;320, adjusting strip;321, adjusting support;400, mounting frame;410, feeding pipe;420, hydraulic rod;421, pressing plate. DETAILED DESCRIPTION
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0026] As Figures 1 to 4 shown, the sludge dewatering device for sewage treatment provided by the present embodiment comprises a fixed base 100, a support frame 110 is fixedly installed at the upper end of the fixed base 100, a dewatering cylinder 200 is rotatably installed inside the support frame 110, a filter screen cylinder 210 is rotatably installed inside the dewatering cylinder 200, knocking-out structures are arranged at both sides of the filter screen cylinder 210, a pouring-out structure is arranged at one side of the dewatering cylinder 200, a water outlet pipe 201 is arranged at the lower end of the dewatering cylinder 200, a receiving box 120 is installed at the upper end of the fixed base 100, the receiving box 120 is located below the water outlet pipe 201, a mounting frame 400 is fixedly installed at the upper end of the fixed base 100, a feeding pipe 410 is inserted into the mounting frame 400, a hydraulic rod 420 is installed at the upper end inside the mounting frame 400, a pressing plate 421 is installed at the lower end of the hydraulic rod 420, a servo motor 230 is installed at the lower end of the dewatering cylinder 200, a rotating shaft 231 is rotatably installed inside the dewatering cylinder 200, a rotating gear 232 is installed on the surface of the rotating shaft 231, and a rotating gear ring 211 meshing with the rotating gear 232 is installed on the outside of the filter screen cylinder 210.
[0027] In the present embodiment, sewage containing sludge enters the inside of the filter screen cylinder 210 of the dewatering cylinder 200 through the feeding pipe 410, the servo motor 230 drives the rotating shaft 231 to rotate, the rotating shaft 231 can drive the filter screen cylinder 210 to rotate through the rotating gear 232 and the rotating gear ring 211, the sewage in the sludge can be filtered through centrifugal force, and the filter screen cylinder 210 is shaken out at the same time, and the hydraulic rod 420 drives the pressing plate 421 to move downward, so that the sludge inside the filter screen cylinder 210 is extruded, thereby enhancing the dewatering effect.
[0028] As Figure 1 and Figure 2As shown, the sludge dewatering device for sewage treatment provided by the embodiment comprises a pouring structure, the pouring structure comprises two installation strips 300, the two installation strips 300 are fixedly installed at the upper end of the fixed base 100, two adjusting screws 310 are rotatably installed between the two installation strips 300, the two adjusting screws 310 are connected with each other through a transmission chain wheel and a transmission chain, a driving motor 311 is fixedly installed on one side of the installation strip 300, the output end of the driving motor 311 is in transmission connection with one of the adjusting screws 310, an adjusting strip 320 is movably sleeved between the two adjusting screws 310, the upper end of the adjusting strip 320 is movably installed with an adjusting support rod 321, one end of the adjusting support rod 321 is movably connected with the dewatering cylinder 200;
[0029] In the embodiment, after dewatering, the driving motor 311 drives the adjusting screw 310 to rotate, the two adjusting screws 310 rotate synchronously under the action of the transmission chain wheel and the transmission chain, so that the adjusting strip 320 moves on the surface of the adjusting screw 310, the adjusting strip 320 drives one end of the adjusting support rod 321 to move, and the adjusting support rod 321 drives the dewatering cylinder 200 to rotate inside the support frame 110, so that the dewatering cylinder 200 is inclined, and the sludge inside the filter screen cylinder 210 is conveniently poured out.
[0030] As shown in Figure 3 and Figure 4 As shown, the sludge dewatering device for sewage treatment provided by the embodiment comprises a knocking pouring structure, the knocking pouring structure comprises a crankshaft 221, the crankshaft 221 has four, which are rotatably installed on the two sides of the inner wall of the dewatering cylinder 200, the surface of the crankshaft 221 movably sleeves with a movable connecting rod 222, the two sides of the inner wall of the dewatering cylinder 200 are fixedly installed with a fixed strip 223, the surface of the fixed strip 223 movably penetrates with a movable rod 225, one end of the movable rod 225 is installed with a knocking strip 224, the other end of the movable rod 225 is installed with a connecting strip 226, one end of the connecting strip 226 is movably connected with the movable connecting rod 222, the surface of the crankshaft 221 is installed with a meshing gear 227, the upper end inside the dewatering cylinder 200 is rotatably installed with a transmission gear ring 228, the transmission gear ring 228 is in meshing connection with the meshing gear 227, the upper end of the dewatering cylinder 200 is installed with a driver 220, the driver 220 is in transmission connection with one of the crankshafts 221;
[0031] In the embodiment, while the dewatering cylinder 200 is poured, the driver 220 drives one of the crankshafts 221 to rotate, the crankshaft 221 drives the other crankshafts 221 to rotate synchronously through the transmission gear ring 228 and the meshing gear 227, the crankshaft 221 drives one end of the movable connecting rod 222 to make a circular motion, the movable connecting rod 222 drives the connecting strip 226 to move, the connecting strip 226 drives the knocking strip 224 to repeatedly move through the movable rod 225, so that the two sides of the filter screen cylinder 210 are conveniently knocked, the pouring effect is strengthened, and the sludge is prevented from being blocked inside the filter screen cylinder 210 and being difficult to clean.
[0032] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0033] The preferred embodiments of the present application disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details and limit the present application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that the persons skilled in the art can well understand and utilize the present application. The present application is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A sludge dewatering device for sewage treatment comprising a fixed base (100), characterized in that: The upper end of the fixed base (100) is fixedly installed with a support frame (110), the inside of the support frame (110) is rotatably installed with a dehydration cylinder (200), the inside of the dehydration cylinder (200) is rotatably installed with a filter screen cylinder (210), both sides of the filter screen cylinder (210) are provided with a knocking discharge structure, one side of the dehydration cylinder (200) is provided with a pouring structure, the lower end of the dehydration cylinder (200) is provided with a water outlet pipe (201), the upper end of the fixed base (100) is installed with a receiving box (120), and the receiving box (120) is located below the water outlet pipe (201).
2. The sludge dewatering device for sewage treatment according to claim 1, characterized by: The upper end of the fixed base (100) is fixedly installed with an installation frame (400), the inside of the installation frame (400) is inserted with a feeding pipe (410), the upper end of the inside of the installation frame (400) is installed with a hydraulic rod (420), and the lower end of the hydraulic rod (420) is installed with a pressing plate (421).
3. The sludge dewatering device for sewage treatment according to claim 1, characterized by: The pouring structure comprises an installation strip (300), the installation strip (300) is fixedly installed on the upper end of the fixed base (100), two adjustment screws (310) are rotatably installed between the two installation strips (300), and the two adjustment screws (310) are connected with each other through a transmission chain wheel and a transmission chain.
4. The sludge dewatering device for sewage treatment according to claim 3, characterized by: One side of the installation strip (300) is fixedly installed with a driving motor (311), the output end of the driving motor (311) is in transmission connection with one of the adjustment screws (310), an adjustment strip (320) is movably sleeved between the two adjustment screws (310), the upper end of the adjustment strip (320) is movably installed with an adjustment support rod (321), and one end of the adjustment support rod (321) is movably connected with the dehydration cylinder (200).
5. The sludge dewatering device for sewage treatment according to claim 1, characterized by: The lower end of the dehydration cylinder (200) is installed with a servo motor (230), the inside of the dehydration cylinder (200) is rotatably installed with a rotating shaft (231), the surface of the rotating shaft (231) is installed with a rotating gear (232), and the outside of the filter screen cylinder (210) is installed with a rotating gear ring (211) engaged with the rotating gear (232).
6. The sludge dewatering device for sewage treatment according to claim 1, characterized by: The knocking discharge structure comprises a crankshaft (221), the crankshaft (221) has four, which are rotatably installed on the inner walls of the dehydration cylinder (200) on both sides, and the surface of the crankshaft (221) is movably sleeved with a movable connecting rod (222).
7. The sludge dewatering device for sewage treatment according to claim 6, characterized by: The inner walls of the dehydration cylinder (200) on both sides are fixedly installed with fixed strips (223), the surface of the fixed strips (223) is movably inserted with movable rods (225), one end of the movable rods (225) is installed with a knocking strip (224), the other end of the movable rods (225) is installed with a connecting strip (226), and the connecting strip (226) is movably connected with one end of the movable connecting rod (222).
8. The sludge dewatering device for sewage treatment according to claim 7, characterized by: The surface of the crankshaft (221) is mounted with a cogwheel (227), the upper end inside the dehydration cylinder (200) is rotatably mounted with a transmission cog ring (228), the transmission cog ring (228) is engaged with the cogwheel (227), the upper end of the dehydration cylinder (200) is mounted with a driver (220), and the driver (220) is in transmission connection with one of the crankshafts (221).
Citation Information
Patent Citations
Sludge dewatering device for sewage treatment
CN216785960U