Energy-saving and consumption-reducing device for sludge dewatering in water treatment
By designing a sludge dewatering device that utilizes the gravity of sludge moisture for rapid and efficient dewatering, combined with a filter screen and cleaning mechanism, the problems of high energy consumption and sewage leakage in existing devices are solved, achieving efficient and energy-saving sludge dewatering and sewage collection.
Patent Information
- Application Number
- CN202210758764.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2042-06-29
AI Technical Summary
Existing sludge dewatering equipment consumes a lot of electricity during operation and produces a large amount of wastewater during sludge dewatering, resulting in high energy consumption and serious wastewater leakage.
A sludge dewatering device was designed, which utilizes the gravity of the water in the sludge for dewatering. It combines an inclined filter cloth and a crushing support plate for sludge pretreatment. The tension of the filter cloth is adjusted by a scraping mechanism. Gravity and the inclined structure of the filter cloth are used to achieve rapid and efficient sludge dewatering. The seepage water is collected and discharged through a collection hopper and a diversion channel to reduce sewage leakage.
It achieves rapid and efficient dewatering of sludge and continuous and reliable discharge, reduces sewage leakage, and lowers equipment energy consumption.
Smart Images

Figure CN115093093B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of sludge treatment, more particularly to a sludge dewatering energy-saving and consumption-reducing device for water treatment. BACKGROUND
[0002] The sludge dewatering device with publication number (CN214244159U) is provided with an extension plate. When in use, the operator closes the sludge dewatering device body, moves the collecting box out from below the discharge port of the sludge dewatering device body, spreads the dewatered sludge accumulated at one place with a shovel, then moves the collecting box to below the discharge port of the sludge dewatering device body, and continues to collect the dewatered sludge. In summary, the present application facilitates the operator to spread the sludge in the collecting box.
[0003] However, the existing sludge dewatering device still has problems of large power consumption during equipment operation and large amount of sewage seepage during sludge dewatering. SUMMARY
[0004] 1. Technical problem to be solved
[0005] In view of the problems in the prior art, the present application aims to provide a sludge dewatering energy-saving and consumption-reducing device for water treatment, which can utilize the self-gravity of water in sludge to achieve rapid and efficient dewatering of sludge and continuous and reliable discharge, and can also uniformly collect and discharge the seeped water, thereby reducing the leakage amount of sewage.
[0006] 2. Technical solution
[0007] To solve the above problems, the present application adopts the following technical solution.
[0008] A sludge dewatering energy-saving and consumption-reducing device for water treatment, comprising a drainage tank, a pretreatment tank is arranged on one side of the top of the drainage tank, the pretreatment tank is used for pretreating sludge, a collecting hopper is arranged on the other side of the top of the drainage tank, a dewatering rack is installed on the collecting hopper, a dewatering mechanism is arranged in the dewatering rack, the dewatering mechanism is used for dewatering the sludge in the dewatering rack, a cleaning scraping mechanism is arranged at the bottom of the dewatering rack, and the cleaning scraping mechanism is used for scraping off the stains adhered to the surface of the dewatering mechanism.
[0009] The dewatering mechanism comprises a filter screen cloth, the filter screen cloth is rotationally connected in the dewatering rack, broken support plates are uniformly arranged on the top of the inner side of the dewatering rack and correspond to the filter screen cloth, a sludge inlet is arranged on the side of the dewatering rack close to the pretreatment tank, a collecting hopper is arranged on the inner side of the dewatering rack and at the bottom of the filter screen cloth, and a drainage connector is arranged on the collecting hopper.
[0010] Further, the filter screen cloth is arranged obliquely, and a side of the filter screen cloth away from the pretreatment tank is arranged as a high point.
[0011] Further, the crushing branch plate is uniformly connected with the blocking rods, and the bottom end of the crushing branch plate is arranged as a wedge shape, and the mud inlet is arranged as a funnel shape.
[0012] Further, the cleaning mechanism comprises a cleaning box, which is uniformly arranged on one side of the bottom of the filter screen cloth, one side of the cleaning box is provided with a drainage opening, a driving shaft is rotatably connected to the dehydration rack and located on the inner side of the filter screen cloth, and a cylinder is connected to one side of the driving shaft.
[0013] Further, a mud falling plate is arranged on one side of the top of the dehydration rack and above the filter screen cloth, a flat pressing plate is arranged on the other side of the top of the dehydration rack, and a mud discharging guide plate is arranged on one side of the dehydration rack and below the filter screen cloth.
[0014] Further, a groove is arranged in the inside of the collecting hopper, and a flow guide groove is arranged on the drainage pool and at the bottom of the groove.
[0015] Further, a rotating support is arranged on the inside top of the pretreatment tank, and a mud discharging scraper is rotatably connected to the bottom end of the rotating support.
[0016] Further, a sewage discharging opening is arranged on one side of the bottom of the pretreatment tank.
[0017] Further, a mud discharging opening is arranged on one side of the top of the pretreatment tank, and the mud discharging opening is matched with the mud inlet.
[0018] 3. Beneficial effects
[0019] Compared with the prior art, the advantages of the present application are:
[0020] (1) The dehydration mechanism is arranged in the present scheme, under the action of gravity, the water in the sludge falls into the collecting hopper, and can be discharged outward through the drainage joint, so that the self-gravity of the water in the sludge is utilized to realize rapid and efficient dehydration of the sludge and continuous and reliable discharge.
[0021] (2) The cleaning mechanism is arranged in the present scheme, the position of the driving shaft is moved by the cylinder drive, the tightening degree of the filter screen cloth can be adjusted, and the tightening degree and water filtering performance of the filter screen cloth are ensured.
[0022] (3) The pretreatment tank, the collecting hopper and the groove are arranged in the present scheme, the dehydration of the sludge is realized, the water seeped out in the dehydration process of the dehydration mechanism is uniformly collected and discharged through the groove, and the leakage amount of the sewage is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 Structure diagram of the whole device of the present application;
[0024] Figure 2 Structure diagram of the whole device of the present application; Figure 1
[0025] Figure 3 Structure diagram of the whole device of the present application; Figure 1
[0026] Figure 4 Structure diagram of the whole device of the present application; Figure 3
[0027] Figure 5 Structure diagram of the whole device of the present application; Figure 4
[0028] Figure 6 Structure diagram of the whole device of the present application; Figure 1
[0029] Figure 7 Structure diagram of the whole device of the present application; Figure 3
[0030] Figure legend:
[0031] 1, drainage pool; 2, pretreatment tank; 3, collecting bottom hopper; 4, dehydration rack; 5, dehydration mechanism; 501, filter cloth; 502, broken support plate; 503, mud inlet; 504, collecting hopper; 505, drainage joint; 6, cleaning and scraping mechanism; 601, cleaning and scraping box; 602, drainage port; 603, drive shaft; 604, air cylinder; 7, flat pressing plate; 8, mud falling plate; 9, groove; 10, flow guide groove; 11, mud discharging guide plate; 12, rotating support; 13, mud discharging scraper; 14, sewage outlet. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0033] Example 1:
[0034] Please refer to Figures 1-7 The utility model provides a kind of sludge dewatering energy-saving and cost-reducing device for water treatment, including drainage pool 1, the top one side of drainage pool 1 is provided with pretreatment tank 2, the top other side of drainage pool 1 is provided with collection hopper 3, and collecting hopper 3 is installed with dewatering frame 4, and the inside of dewatering frame 4 is provided with dewatering mechanism 5, and the bottom of dewatering frame 4 is provided with clear scraping mechanism 6, and dewatering mechanism 5 includes filter screen cloth 501, and filter screen cloth 501 is rotatably connected in the inside of dewatering frame 4, and the inside of dewatering frame 4 and the top corresponding filter screen cloth 501 are evenly provided with broken support plate 502, and the side of dewatering frame 4 close to pretreatment tank 2 is provided with mud inlet 503, and the inside of dewatering frame 4 and the bottom of filter screen cloth 501 are provided with collecting hopper 504, and collecting hopper 504 is provided with drainage connector 505, preliminary dewatering treatment is carried out to sludge by pretreatment tank 2, and is discharged to dewatering frame 4 through mud inlet 503, and slant conveying is continuously carried out to sludge by the rotation of filter screen cloth 501, and large sludge is simultaneously split by broken support plate 502, and under the action of gravity, the moisture of sludge falls into collecting hopper 504, and is discharged outward through drainage connector 505, so that the gravity of moisture in sludge is utilized, and fast and efficient dewatering and continuous and reliable discharge to sludge are realized.
[0035] Refer to Figure 2 , in order to facilitate the downward infiltration and separation of moisture in sludge during the conveying process of filter screen cloth 501, filter screen cloth 501 is inclined, and the side of filter screen cloth 501 away from pretreatment tank 2 is set as a high point.
[0036] Refer to Figure 3 , in order to facilitate the split treatment of large sludge on filter screen cloth 501 by broken support plate 502, stop rods are evenly clamped on broken support plate 502, and the bottom end of broken support plate 502 is set as a wedge shape, in order to facilitate the collection and outward discharge of water flow after dewatering by mud inlet 503, mud inlet 503 is set as a funnel shape.
[0037] Refer to Figure 4 and Figure 5 , clear scraping mechanism 6 includes clear scraping box 601, and clear scraping box 601 is evenly provided on one side of the bottom of filter screen cloth 501, and one side of clear scraping box 601 is provided with drainage port 602, and drive shaft 603 is rotatably connected on the inside of dewatering frame 4 and located at filter screen cloth 501, and one side of drive shaft 603 is connected with air cylinder 604, and filter screen cloth 501 is penetrated into the inside of clear scraping box 601, and the accumulated sewage on the surface of filter screen cloth 501 can be extruded through clear scraping box 601 and discharged outward through drainage port 602, and the position of drive shaft 603 is moved by cooperating air cylinder 604 to drive drive shaft 603, so that the tightness of filter screen cloth 501 can be adjusted, and the tightness and water filtering performance of filter screen cloth 501 are ensured.
[0038] Refer to Figure 5The side of the top of the dewatering frame 4 is provided with a mud falling plate 8 above the filter screen cloth 501, which receives the sludge entering the sludge inlet 503, reduces the pressure of the sludge directly discharged on the filter screen cloth 501, and the other side of the top of the dewatering frame 4 is provided with a flat pressing plate 7, and the side of the dewatering frame 4 below the filter screen cloth 501 is provided with a sludge discharging guide plate 11, which can flatten the dewatered sludge, so that the sludge is flat, and the subsequent collection is facilitated, and the sludge can be discharged and guided by cooperating with the sludge discharging guide plate 11.
[0039] Referring to Figure 1 and Figure 6 , the inside of the collecting hopper 3 is provided with a groove 9, and the drainage tank 1 is provided with a flow guide groove 10 at the bottom of the groove 9, which can uniformly collect and discharge the water seepage in the dewatering process of the dewatering mechanism 5, effectively reducing the leakage of sewage.
[0040] Referring to Figure 7 , the inside of the pretreatment tank 2 is provided with a rotating support 12 at the top, and the bottom end of the rotating support 12 is rotatably connected with a sludge discharging scraper 13, and the bottom of the pretreatment tank 2 is provided with a sewage discharge port 14, which can continuously extrude and discharge the sludge deposited at the bottom of the pretreatment tank 2 through the sewage discharge port 14 by rotating the sludge discharging scraper 13 driven by the rotating support 12, realizing the dewatering pretreatment of the sludge.
[0041] Referring to Figure 7 , the top of the pretreatment tank 2 is provided with a sludge discharge port, which is matched with the sludge inlet 503, and the sludge treated at the top of the pretreatment tank 2 can overflow to the sludge inlet 503 through the sludge discharge port.
[0042] In use: the sludge is first placed in the pretreatment tank 2, the sludge discharging scraper 13 is rotated by the rotating support 12, and the sludge deposited at the bottom of the pretreatment tank 2 is continuously extruded and discharged outward through the sewage discharge port 14 by the sludge discharging scraper 13, realizing the dewatering pretreatment of the sludge, and the sludge is discharged to the dewatering frame 4 through the sludge inlet 503, the sludge can be continuously transported by the rotation of the filter screen cloth 501, and the large sludge can be cut by the crushing support plate 502, and under the action of gravity, the water in the sludge falls into the collecting hopper 504, and is discharged outward through the water discharge connector 505, which realizes the rapid and efficient dewatering of the sludge and the continuous and reliable discharge of the sludge by using the gravity of the water in the sludge, and the leakage of sewage is reduced by uniformly collecting and discharging the water seepage in the dewatering process of the dewatering mechanism 5 through the groove 9.
[0043] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art, according to the technical solution of the present application and the improved concept thereof, makes equivalent replacement or change within the technical range disclosed by the present application, and should be covered within the protection scope of the present application.
Claims
1. A sludge dewatering and energy-saving consumption-reducing device for water treatment, comprising a drainage tank (1), characterized in that: A pretreatment tank (2) is provided on one side of the top of the drainage tank (1), and the pretreatment tank (2) is used to pre-treat sludge. A collecting bottom hopper (3) is provided on the other side of the top of the drainage tank (1), and a dewatering frame (4) is installed on the collecting bottom hopper (3). A dewatering mechanism (5) is provided inside the dewatering frame (4), and the dewatering mechanism (5) is used to dewater the sludge inside the dewatering frame (4). A scraping mechanism (6) is provided at the bottom of the dewatering frame (4), and the scraping mechanism (6) is used to scrape off dirt adhered to the surface of the dewatering mechanism (5); The dewatering mechanism (5) comprises a filter cloth (501), the filter cloth (501) being rotatably connected to the interior of the dewatering frame (4), a crushing support plate (502) being evenly arranged on the inner side of the dewatering frame (4) and corresponding to the top of the filter cloth (501), a mud inlet (503) being arranged on the side of the dewatering frame (4) close to the pretreatment tank (2), a collecting hopper (504) being arranged on the inner side of the dewatering frame (4) and located at the bottom of the filter cloth (501), and a drainage joint (505) being arranged on the collecting hopper (504); The filter mesh cloth (501) is arranged to be inclined, and the side of the filter mesh cloth (501) away from the pretreatment tank (2) is arranged to be a high point; The crushing support plate (502) is evenly clamped with blocking rods, and the bottom end of the crushing support plate (502) is configured to be wedge-shaped, and the mud inlet (503) is configured to be funnel-shaped; The scraping mechanism (6) comprises a scraping box (601), the scraping box (601) being evenly arranged on one side of the bottom of the filter mesh (501), a drain outlet (602) being provided on one side of the scraping box (601), a driving shaft (603) being rotatably connected to the dehydrating frame (4) and located inside the filter mesh (501), and a cylinder (604) being connected to one side of the driving shaft (603).
2. The sludge dewatering energy-saving and consumption-reducing device for water treatment according to claim 1, characterized in that: A mud drop plate (8) is provided on one side of the top of the dewatering frame (4) and located above the filter mesh (501); a flattening plate (7) is provided on the other side of the top of the dewatering frame (4); and a mud discharge guide plate (11) is provided on one side of the dewatering frame (4) and located below the filter mesh (501).
3. The sludge dewatering energy-saving and consumption-reducing device for water treatment according to claim 1, characterized in that: A groove (9) is provided inside the collecting bottom hopper (3), and a guide groove (10) is provided on the drainage pool (1) at the bottom of the groove (9).
4. The sludge dewatering energy-saving and consumption-reducing device for water treatment according to claim 1, characterized in that: A rotating bracket (12) is provided on the inner top of the pretreatment tank (2), and a mud removal scraper (13) is rotatably connected to the bottom end of the rotating bracket (12).
5. The sludge dewatering energy-saving and consumption-reducing device for water treatment according to claim 4, characterized in that: A sewage outlet (14) is provided at the bottom of one side of the pretreatment tank (2).
6. The sludge dewatering energy-saving and consumption-reducing device for water treatment according to claim 1, characterized in that: A mud discharge port is provided on one side of the top of the pretreatment tank (2), and the mud discharge port is adapted to the mud inlet (503).
Citation Information
Patent Citations
Belt type dehydrator and working method
CN112794609A
Belt dehydrator with sludge treatment device
CN211921283U