Sewer solid-liquid separation device for municipal engineering
By adding isolation areas and automated designs in the sewer solid-liquid separation device, the problem of reflow pollution is solved, the waste liquid treatment efficiency and solid waste cleanliness are improved, and the precise separation and automated treatment of waste liquid and solid waste are achieved.
Patent Information
- Application Number
- CN202420734261.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-10
AI Technical Summary
During the extrusion process of the sewer solid-liquid separation device in municipal projects, solid waste is easily affected by the waste liquid generated by the above extrusion when it falls, resulting in reflux pollution, affecting the solid-liquid separation effect, and making it difficult to effectively deal with waste liquid and clean waste.
A sewer solid-liquid separation device including the device body, the feed hopper, the drain pipe, the left extrusion roller, the right extrusion roller, the waste collection box and the screw conveyor are designed, and solid-liquid separation device is re-exerted during the solid waste transportation process. Separate the treatment and re-discharge the secondary treatment liquid into the pipeline, adding isolation areas to avoid contamination.
Effectively avoid reflux pollution, improve waste liquid treatment efficiency and cleanliness of solid waste, realize accurate separation between waste liquid and solid waste, improve solid-liquid separation effect, and improve work through automated design and tilting screen guide function efficiency.
Smart Images
Figure CN222329128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solid-liquid separation, in particular to a sewer solid-liquid separation device for municipal engineering. Background Art
[0002] At present, there is a serious problem with the sewer solid-liquid separation device commonly used in municipal engineering. That is, during the extrusion process of the extrusion roller, when the solid waste falls to the bottom, it will be affected by the waste liquid produced by the extrusion above, causing the solid waste to be contaminated again. This reflux pollution seriously affects the solid-liquid separation effect, making it difficult to effectively treat the waste liquid and the problem that the waste cannot be cleaned becomes more prominent.
[0003] To solve this problem, we designed a new type of sewer solid-liquid separation device. By improving the design and adding isolation areas, we perform solid-liquid separation again during the solid waste transportation process and re-discharge the secondary treated liquid into the preset pipeline to ensure that the waste liquid and solid waste are effectively separated, avoiding re-pollution. Utility Model Content
[0004] The purpose of the utility model is to provide a sewer solid-liquid separation device for municipal engineering, so as to solve the problem in the above background technology that reflux pollution seriously affects the solid-liquid separation effect, making it difficult to effectively treat the waste liquid and the waste material cannot be cleaned.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewer solid-liquid separation device for municipal engineering, comprising a device body, a feed hopper and a drainage pipe, the drainage pipe also comprising a left squeezing roller, a right squeezing roller, a waste collection box and a screw conveyor, the left squeezing roller and the right squeezing roller are the same length as the inner wall of the device body and are symmetrically distributed inside the device body, the screw conveyor is installed on the outer surface of one end of the device body, the device body and the screw conveyor are connected through the waste collection box, the waste collection box and the device body are provided with a guide trough for discharging solid waste, the feed hopper is installed at the top of the device body, the drainage pipe is located at the bottom of the device body, a rotating shaft is movably connected to the bottom of the device body, a sieve plate is provided on the outer surface of the rotating shaft, and one end of the screw conveyor is connected to a solid waste discharge pipe.
[0006] The sieve plate rotates with the device body through a rotating shaft. The sieve plate is inclined. One end of the rotating shaft passes through the interior of the device body. A movable support plate is provided on the outer surface of one end of the rotating shaft. An angle of no more than ° is set between the movable support plate and the sieve plate. A torsion spring is provided on the outer surface of one end of the rotating shaft.
[0007] A reduction motor is provided on the outer surface of one end of the device body, and the output end of the reduction motor is connected to the right extrusion roller. A driving gear is provided on the outer surface of one end of the right extrusion roller, and a driven gear is meshed and connected on the outer surface of the driving gear. The driven gear is fixedly connected to the output end of the left extrusion roller.
[0008] A movable shaft is movably connected to the outer surface of one end of the device body, an eccentric wheel is provided on the outer surface of the movable shaft, the eccentric wheel is slidably matched with the movable support plate, a transmission chain group is provided between the movable shaft and the right extrusion roller, and the transmission chain group includes two sprockets respectively connected to the movable shaft and the right extrusion roller and a chain connected to the two sprockets.
[0009] An inner tube is arranged inside the screw conveyor, through cavities are evenly spaced inside the inner tube, a hollow structure of equal length is formed between the screw conveyor and the inner tube, and a diversion pipe is arranged between the screw conveyor and the drainage pipe.
[0010] Two scrapers are symmetrically distributed on the inner wall of the device body, and the scrapers are respectively slidably matched with the left squeezing roller and the right squeezing roller.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the municipal engineering sewer solid-liquid separation device:
[0012] The invention effectively solves the problem of reflux pollution in the existing solid-liquid separation device, improves the waste liquid treatment efficiency and the cleanliness of solid waste, and through improved design and increased isolation area, the device can accurately separate waste liquid and solid waste to avoid re-contamination. The device adopts the design of inclined screen plate, which can realize the guiding effect on solid waste, facilitates discharge into the waste collection box for force, and improves the effect of solid-liquid separation. The device is equipped with a reduction motor and a screw conveyor, which can realize the automation of the whole process of feeding, extrusion, discharge and transportation, and improves work efficiency. There are two scrapers symmetrically distributed on the inner wall of the device, which can clean the surface of the extrusion roller during rotation to avoid sticky foreign matter affecting the extrusion effect. The design of the diversion pipe and the screw conveyor connected to the drainage pipe can increase the solid-liquid separation effect and further improve the performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall internal front view structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the internal structure of the device body of the utility model from a top view;
[0015] Figure 3 This is a schematic diagram of the partial structure of the movable support plate and the eccentric wheel of the utility model;
[0016] Figure 4 It is a schematic diagram of the partial internal structure of the screw conveyor of the utility model.
[0017] In the figure: 1. Device body; 2. Feed hopper; 3. Drainage pipe; 4. Waste collection box; 5. Screw conveyor; 6. Diversion pipe; 7. Solid waste discharge pipe; 8. Left extrusion roller; 9. Right extrusion roller; 10. Scraper; 11. Rotating shaft; 12. Screen plate; 13. Reduction motor; 14. Driving gear; 15. Driven gear; 16. Movable shaft; 17. Transmission chain group; 18. Eccentric wheel; 19. Torsion spring; 20. Movable support plate; 21. Inner tube; 22. Through cavity. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-4 The utility model provides a technical solution: a sewer solid-liquid separation device for municipal engineering, comprising a device body 1, a feed hopper 2 and a drainage pipe 3, the drainage pipe 3 also comprising a left squeezing roller 8, a right squeezing roller 9, a waste collection box 4 and a screw conveyor 5, the left squeezing roller 8 and the right squeezing roller 9 having the same length as the inner wall of the device body 1 and being symmetrically distributed inside the device body 1, the screw conveyor 5 being installed on the outer surface of one end of the device body 1, the device body 1 and the screw conveyor 5 being connected through the waste collection box 4, the waste collection box 4 and the device body 1 being provided with a guide trough for discharging solid waste, the feed hopper 2 being installed on the top of the device body 1, the drainage pipe 3 being located at the bottom of the device body 1, the bottom of the device body 1 being movably connected with a rotating shaft 11, the outer surface of the rotating shaft 11 being provided with a sieve plate 12, and one end of the screw conveyor 5 being connected with a solid waste discharge pipe 7.
[0020] The sieve plate 12 is rotatably matched with the device body 1 through the rotating shaft 11. The sieve plate 12 is inclined. One end of the rotating shaft 11 passes through the interior of the device body 1. A movable support plate 20 is provided on the outer surface of one end of the rotating shaft 11. An angle not exceeding 50° is provided between the movable support plate 20 and the sieve plate 12. A torsion spring 19 is provided on the outer surface of one end of the rotating shaft 11. The sieve plate 12 rotates with the rotating shaft 11 as the center point. During the rotation process, and in conjunction with the change of its own angle, it can guide the solid waste to facilitate discharge into the waste collection box 4 for force. The sieve plate 12 can screen solids and liquids, and the angle between the movable support plate 20 and the sieve plate 12 facilitates transmission with the eccentric wheel 18.
[0021] A reduction motor 13 is provided on the outer surface of one end of the device body 1, and the output end of the reduction motor 13 is connected to the right extrusion roller 9. A driving gear 14 is provided on the outer surface of one end of the right extrusion roller 9. A driven gear 15 is meshingly connected to the outer surface of the driving gear 14. The driven gear 15 is fixedly connected to the output end of the left extrusion roller 8. The left extrusion roller 8 and the right extrusion roller 9 are rotated in relative directions through the meshing transmission of the driving gear 14 and the driven gear 15, and the waste is extruded and discharged by rotation.
[0022] A movable shaft 16 is movably connected to the outer surface of one end of the device body 1. An eccentric wheel 18 is provided on the outer surface of the movable shaft 16. The eccentric wheel 18 is slidably matched with the movable support plate 20. A transmission chain group 17 is provided between the movable shaft 16 and the right extrusion roller 9. The transmission chain group 17 includes two sprocket wheels connected to the movable shaft 16 and the right extrusion roller 9 respectively and a chain connected to the two sprocket wheels. The movable shaft 16 rotates synchronously with the right extrusion roller 9 under the linkage of the transmission chain group 17, and drives the eccentric wheel 18 on the outer surface of the movable shaft 16 to slide along the outer surface of the movable support plate 20. The movable support plate 20 drives the screen plate 12 to change its angle together. When the movable support plate 20 drives the screen plate 12 to separate, it is reset under the action of the torsion spring 19, and is limited by the fixed block on the outer surface of the device body 1 and the movable support plate 20, such as Figure 3 As shown, the width of the fixed block is smaller than the width of the movable support plate 20 , and will not cause motion interference to the eccentric wheel 18 .
[0023] An inner tube 21 is provided inside the screw conveyor 5, and through cavities 22 are evenly distributed inside the inner tube 21. There is a hollow structure of equal length between the screw conveyor 5 and the inner tube 21. A diversion pipe 6 is provided between the screw conveyor 5 and the drainage pipe 3. During the process of the screw conveyor 5 conveying solid waste, wastewater flows from the through cavity 22 into the inner cavity between the screw conveyor 5 and the inner tube 21 through the inner and outer pipes, and is discharged from the diversion pipe 6 into the drainage pipe 3, which can increase the solid-liquid separation effect.
[0024] Two scrapers 10 are symmetrically distributed on the inner wall of the device body 1. The scrapers 10 slide with the left extrusion roller 8 and the right extrusion roller 9 respectively. The scrapers 10 can clean the surfaces of the left extrusion roller 8 and the right extrusion roller 9 during rotation to prevent the left extrusion roller 8 and the right extrusion roller 9 from sticking foreign matter and affecting the extrusion effect.
[0025] Working principle: First, start the reduction motor 13 and the screw conveyor 5, connect the feed hopper 2 with the sewer discharge pipe, and the waste is discharged along the feed hopper 2 into the space between the left squeezing roller 8 and the right squeezing roller 9, and is squeezed by the left and right squeezing rollers. The liquid is discharged into the bottom and passes through the holes in the sieve plate 12, and is finally discharged from the drainage pipe 3. The solid waste rolls along the sieve plate 12 into the waste collection box 4, and the screw conveyor 5 lifts and transports the solid waste in the waste collection box 4. The solid waste can be squeezed during the transportation process, and the residual liquid in the solid is squeezed out and discharged from the through cavity 22 to the other end of the inner tube 21, and finally discharged from the diversion pipe 6 into the drainage pipe 3, ensuring the effect of solid-liquid separation.
[0026] 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 sewer solid-liquid separation device for municipal engineering, comprising a device body (1), a feed hopper (2) and a drainage pipe (3), characterized in that: The drainage pipeline (3) further comprises a left squeezing roller (8), a right squeezing roller (9), a waste collection box (4) and a screw conveyor (5). The left squeezing roller (8) and the right squeezing roller (9) have the same length as the inner wall of the device body (1) and are symmetrically distributed inside the device body (1). The screw conveyor (5) is mounted on the outer surface of one end of the device body (1). The device body (1) and the screw conveyor (5) are connected via the waste collection box (4). The waste collection box (4) and the device body (1) are provided with a guide trough for discharging solid waste. The feed hopper (2) is mounted on the top of the device body (1). The drainage pipeline (3) is located at the bottom of the device body (1). A rotating shaft (11) is movably connected to the bottom of the device body (1). A sieve plate (12) is provided on the outer surface of the rotating shaft (11). One end of the screw conveyor (5) is connected to a solid waste discharge pipeline (7).
2. A sewer solid-liquid separation device for municipal engineering according to claim 1, characterized in that: The sieve plate (12) is rotatably matched with the device body (1) via the rotating shaft (11); the sieve plate (12) is inclined; one end of the rotating shaft (11) passes through the inside of the device body (1); a movable support plate (20) is provided on the outer surface of one end of the rotating shaft (11); an angle of no more than 50 degrees is provided between the movable support plate (20) and the sieve plate (12); and a torsion spring (19) is provided on the outer surface of one end of the rotating shaft (11).
3. A municipal engineering sewer solid-liquid separation device according to claim 1, characterized in that: A reduction motor (13) is provided on the outer surface of one end of the device body (1); the output end of the reduction motor (13) is connected to the right squeezing roller (9); a driving gear (14) is provided on the outer surface of one end of the right squeezing roller (9); a driven gear (15) is meshingly connected to the outer surface of the driving gear (14); and the driven gear (15) is fixedly connected to the output end of the left squeezing roller (8).
4. A sewer solid-liquid separation device for municipal engineering according to claim 1, characterized in that: A movable shaft (16) is movably connected to the outer surface of one end of the device body (1), an eccentric wheel (18) is provided on the outer surface of the movable shaft (16), the eccentric wheel (18) is slidably matched with the movable support plate (20), a transmission chain group (17) is provided between the movable shaft (16) and the right extrusion roller (9), and the transmission chain group (17) includes two sprocket wheels respectively connected to the movable shaft (16) and the right extrusion roller (9) and a chain connected to the two sprocket wheels.
5. A sewer solid-liquid separation device for municipal engineering according to claim 1, characterized in that: An inner tube (21) is provided inside the screw conveyor (5), through cavities (22) are distributed at equal intervals inside the inner tube (21), a hollow structure of equal length is formed between the screw conveyor (5) and the inner tube (21), and a diversion pipe (6) is provided between the screw conveyor (5) and the drainage pipe (3).
6. A sewer solid-liquid separation device for municipal engineering according to claim 1, characterized in that: Two scrapers (10) are symmetrically distributed on the inner wall of the device body (1), and the scrapers (10) are respectively slidably matched with the left squeezing roller (8) and the right squeezing roller (9).