Novel sedimentation tank
By introducing equipment such as mixing agitators, slurry agitators, and monorail scrapers into the sedimentation tank, the water flow path is optimized, solving the problems of poor flocculation effect and poor sludge discharge in traditional sedimentation tanks when the water volume changes, thus achieving efficient flocculation and convenient maintenance.
Patent Information
- Application Number
- CN202423312121.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Traditional sedimentation tanks have poor mixing and flocculation effects when the water volume changes, and the sludge removal equipment is prone to failure and inconvenient to maintain.
A novel sedimentation tank was designed, comprising a mixing tank, two-stage flocculation tanks, a sedimentation tank, a buffer tank, and an effluent channel. It employs a mixing agitator, vertical and horizontal slurry plate mixers, combined with a monorail scraper and a sludge pump to ensure flocculation effect and sludge discharge efficiency. The water flow is optimized through perforated flower walls and sludge discharge channels.
It improves the mixing and flocculation effect, adapts to changes in water volume, ensures smooth sludge discharge, reduces the difficulty of equipment maintenance, saves floor space, and prevents sludge from settling in pipelines.
Smart Images
Figure CN223688169U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of sewage treatment, specifically relates to a novel sedimentation tank. BACKGROUND
[0002] The sedimentation tank is a kind of water supply and sewage treatment process, has wide application, can be used in the conventional treatment section of water supply plant, also can be used in the pretreatment section of sewage treatment plant, but the traditional sedimentation tank adopts hydraulic mixing, when water quantity changes greatly, the effect of mixing flocculation section is poor.In addition, the traditional sedimentation tank adopts gravity sludge discharge or sludge discharge trolley, after long-term operation, sludge discharge is not smooth, and after sludge discharge equipment fails, it is troublesome to overhaul. CONTENT OF UTILITY MODEL
[0003] The utility model aims at providing a novel sedimentation tank to solve the problem of poor mixing flocculation effect of the traditional sedimentation tank when water quantity changes greatly.
[0004] The technical scheme of the utility model is: a novel sedimentation tank, including water inlet pipe, mixing pool, primary flocculation pool, secondary flocculation pool, buffer pool, sedimentation tank, water outlet channel and water outlet pipe that are connected in sequence, and the sedimentation tank is provided with multiple and is arranged side by side;The mixing pool is internally provided with a mixing stirrer, the primary flocculation pool is internally provided with a vertical paddle stirrer, and the secondary flocculation pool is internally provided with a horizontal paddle stirrer.
[0005] As a further improvement of the utility model, the bottom of the sedimentation tank is provided with a monorail type sludge scraper, the water inlet end of the sedimentation tank is provided with a sludge hopper, and the sludge hopper is internally provided with a sludge suction pipe;A sludge discharge channel is arranged across the top of multiple sedimentation tanks, a sludge suction pump is arranged in the sludge discharge channel, and the input end of the sludge suction pump is connected with the sludge suction pipe.
[0006] As a further improvement of the utility model, it further includes a sludge storage tank;The bottom of the sludge discharge channel is inclined, and the lower end of the bottom of the sludge discharge channel is connected with a sludge discharge pipe, and the sludge discharge pipe is connected to the sludge storage tank.
[0007] As a further improvement of the utility model, the sludge storage tank is internally provided with a sludge storage tank stirrer.
[0008] As a further improvement of the utility model, the buffer pool and the sedimentation tank are connected through a perforated flower wall;The perforated flower wall is provided with a sludge hole inclined to the sedimentation tank at the lower end, and the bottom of the buffer pool is inclined to the sludge hole.
[0009] As a further improvement of the utility model, the water outlet end of the sedimentation tank is provided with a finger-shaped water outlet groove, and the sedimentation tank is connected with the water outlet channel through the finger-shaped water outlet groove.
[0010] As a further improvement of the utility model, the front end of the finger-shaped outlet water groove is provided with a scum groove, the scum groove transverses multiple sedimentation tanks, a residue collecting hole is arranged on one side of the tank wall of the sedimentation tank, and the residue collecting hole is communicated with the scum groove; the bottom of the scum groove is inclinedly arranged and communicated with the outside of the sedimentation tank; a residue blocking plate is arranged between the finger-shaped outlet water groove and the scum groove.
[0011] As a further improvement of the utility model, the side of the finger-shaped outlet water groove is provided with a triangular water weir.
[0012] As a further improvement of the utility model, the outlet water weir is arranged in the outlet channel.
[0013] As a further improvement of the utility model, the mixing tank, the primary flocculation tank, the secondary flocculation tank and the sludge storage tank are arranged side by side on one side of the buffer tank.
[0014] The utility model has the advantages of:
[0015] 1. The utility model discloses a water purification device, which comprises a buffer tank, a mixing tank, a primary flocculation tank, a secondary flocculation tank, a sedimentation tank and an outlet channel.
[0016] 2. The utility model discloses a single-track sludge scraper is used to guarantee that the sedimentation tank is effectively removed, and the sludge suction pump is arranged on the top of the tank, so that the equipment is convenient to overhaul and maintain.
[0017] 3. The utility model discloses a water purification device, which comprises a buffer tank, a mixing tank, a primary flocculation tank, a secondary flocculation tank, a sedimentation tank and an outlet channel. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a plane schematic view of the utility model;
[0019] Figure 2 It is the A-A view in Figure 1
[0020] Figure 3 It is the B-B view in Figure 1
[0021] In the figure: 1, mixing pool; 1-1, mixing stirrer; 2-1, primary flocculation pool; 2-2, vertical slurry plate stirrer; 2-3, secondary flocculation pool; 2-4, horizontal slurry plate stirrer; 2-5, water hole; 3, sedimentation pool; 3-1, perforated flower wall; 3-2, single-track mud scraper; 3-3, driving device; 3-4, mud bucket; 3-5, mud suction pump; 3-6, mud suction pipe; 3-7, mud discharge channel; 3-8, finger-shaped water outlet; 3-9, triangular water weir; 3-10, dross tank; 3-11, dross collecting hole; 3-12, mud discharge pipe; 3-13, dross blocking plate; 3-14, mud hole; 4, mud storage pool; 4-1, mud storage pool stirrer; 5, water outlet channel; 5-1, water weir; 6, water inlet pipe; 7, water outlet pipe; 8, buffer pool. DETAILED DESCRIPTION
[0022] The utility model will be explained in detail below in combination with the drawings.
[0023] Example 1,
[0024] As Figures 1-3 shown, a novel sedimentation pool, including water inlet pipe 6, mixing pool 1, primary flocculation pool 2-1, secondary flocculation pool 2-3, buffer pool 8, sedimentation pool 3, water outlet channel 5 and water outlet pipe 7 that are sequentially connected, the sedimentation pool 3 is equipped with multiple and is arranged side by side;Mixing pool 1 is equipped with mixing stirrer 1-1, primary flocculation pool 2-1 is equipped with vertical slurry plate stirrer 2-2, secondary flocculation pool 2-3 is equipped with horizontal slurry plate stirrer 2-4.
[0025] The bottom of the sedimentation pool 3 is equipped with single-track mud scraper 3-2, the single-track mud scraper 3-2 is connected with driving device 3-3, the driving device 3-3 is arranged at the pool top of the sedimentation pool 3, facilitating equipment maintenance and maintenance;The bottom of the water inlet end of the sedimentation pool 3 is equipped with mud bucket 3-4, the sidewall of the mud bucket 3-4 and the pool bottom form an inclination of not less than 45 °, the mud bucket 3-4 is equipped with mud suction pipe 3-6 in;Cross multiple sedimentation pool 3 top is equipped with mud discharge channel 3-7, the mud discharge channel 3-7 is equipped with mud suction pump 3-5, the input end of the mud suction pump 3-5 is connected with mud suction pipe 3-6.
[0026] It also includes mud storage pool 4;The bottom of the mud discharge channel 3-7 is arranged with a slope of not less than 0.3%, the lower end of the bottom of the mud discharge channel 3-7 is connected with mud discharge pipe 3-12, and the mud discharge pipe 3-12 is connected to the mud storage pool 4.
[0027] The mud storage pool 4 is equipped with mud storage pool stirrer 4-1, to prevent sludge deposition.
[0028] The buffer pool 8 and the sedimentation pool 3 are communicated by the perforated flower wall 3-1, to ensure the uniformity of the water inlet of the sedimentation pool 3;The lower end of the perforated flower wall 3-1 is provided with a mud hole 3-14 inclined to the sedimentation pool 3, and the bottom of the buffer pool 8 is inclined to the mud hole 3-14.
[0029] The end of the sedimentation tank 3 is provided with a finger-shaped water outlet channel 3-8, and the sedimentation tank 3 is connected with the water outlet channel 5 through the finger-shaped water outlet channel 3-8.
[0030] The front end of the finger-shaped water outlet channel 3-8 is provided with a scum channel 3-10, the scum channel 3-10 transversely crosses the plurality of sedimentation tanks 3, a residue collecting hole 3-11 is formed in the side wall of the sedimentation tank 3, the residue collecting hole 3-11 is communicated with the scum channel 3-10, the bottom of the scum channel 3-10 is obliquely arranged and communicated with the outside of the sedimentation tank 3, and a residue blocking plate 3-13 is arranged between the finger-shaped water outlet channel 3-8 and the scum channel 3-10.
[0031] The side of the finger-shaped water outlet channel 3-8 is provided with a triangular water weir 3-9.
[0032] The water outlet channel 5 is provided with a water weir 5-1.
[0033] The mixing tank 1, the primary flocculation tank 2-1, the secondary flocculation tank 2-3 and the sludge storage tank 4 are arranged side by side on one side of the buffer tank 8.
[0034] The mixing tank 1 and the primary flocculation tank 2-1, the primary flocculation tank 2-1 and the secondary flocculation tank 2-3, and the secondary flocculation tank 2-3 and the buffer tank 8 are communicated through water passing holes 2-5.
[0035] The water inlet pipe 6 is connected to the bottom of the mixing tank 1, and the bottom of the mixing tank 1 is in the shape of a bucket to increase the stability of the water inlet flow state.
[0036] The raw water enters the mixing tank 1 through the water inlet pipe 6, is stirred by the mixing stirrer 1-1 after the addition of water purification agents, then enters the primary flocculation tank 2-1 and the secondary flocculation tank 2-3 in sequence, is stirred and flocculated after the addition of flocculation agents, and the stirring speed of the vertical paddle stirrer 2-2 and the horizontal paddle stirrer 2-4 gradually decreases. The water treated by flocculation enters the buffer tank 8, is distributed into the sedimentation tank 3 through the perforated flower wall 3-1, the suspended matter and the colloid in the water sink to the bottom of the sedimentation tank 3, and the single-track type sludge scraper 3-2 scrapes the sludge at the water outlet end of the sedimentation tank 3 to the sludge hopper 3-4. The sludge in the sludge hopper 3-4 is sucked to the sludge discharge channel 3-7 through the sludge suction pipe 3-6 and the sludge suction pump 3-5, and then enters the sludge storage tank 4 through the sludge discharge pipe 3-12. The clear water treated by sedimentation in the sedimentation tank 3 enters the finger-shaped water outlet channel 3-8 through the triangular water weir 3-9, and then is discharged through the water outlet channel 5 and the water outlet pipe 7 to enter the subsequent water treatment structure. The scum on the liquid surface of the sedimentation tank 3 is collected in the scum channel 3-10 through the residue collecting hole 3-11, is discharged to the outside of the sedimentation tank 3, is blocked by the residue blocking plate 3-13 at the front end of the finger-shaped water outlet channel 3-8, and is prevented from entering the finger-shaped water outlet channel 3-8.
Claims
1. A novel sedimentation tank, characterized in that: It includes an inlet pipe (6), a mixing tank (1), a primary flocculation tank (2-1), a secondary flocculation tank (2-3), a buffer tank (8), a sedimentation tank (3), an outlet channel (5), and an outlet pipe (7) connected in sequence. Multiple sedimentation tanks (3) are provided and arranged side by side. A mixing agitator (1-1) is provided in the mixing tank (1), a vertical slurry plate agitator (2-2) is provided in the primary flocculation tank (2-1), and a horizontal slurry plate agitator (2-4) is provided in the secondary flocculation tank (2-3).
2. The novel sedimentation tank according to claim 1, characterized in that: The sedimentation tank (3) is equipped with a single-rail scraper (3-2) at the bottom, and a sludge hopper (3-4) is provided at the bottom of the water inlet of the sedimentation tank (3). A sludge suction pipe (3-6) is provided inside the sludge hopper (3-4). A sludge discharge channel (3-7) is provided at the top of the sedimentation tank (3) spanning multiple sedimentation tanks. A sludge suction pump (3-5) is provided inside the sludge discharge channel (3-7). The input end of the sludge suction pump (3-5) is connected to the sludge suction pipe (3-6).
3. The novel sedimentation tank according to claim 2, characterized in that: It also includes a sludge storage tank (4); the bottom of the sludge discharge channel (3-7) is inclined, and a sludge discharge pipe (3-12) is connected to the lower end of the bottom of the sludge discharge channel (3-7), and the sludge discharge pipe (3-12) is connected to the sludge storage tank (4).
4. A novel sedimentation tank according to claim 3, characterized in that: The sludge storage tank (4) is equipped with a sludge storage tank mixer (4-1).
5. A novel sedimentation tank according to claim 3, characterized in that: The buffer pool (8) and the sedimentation pool (3) are connected by a perforated flower wall (3-1); the lower end of the perforated flower wall (3-1) is provided with a mud passage hole (3-14) that is inclined towards the sedimentation pool (3), and the bottom of the buffer pool (8) is inclined towards the mud passage hole (3-14).
6. A novel sedimentation tank according to any one of claims 1-5, characterized in that: The sedimentation tank (3) is equipped with a finger-shaped outlet channel (3-8) at the outlet end, and the sedimentation tank (3) is connected to the outlet channel (5) through the finger-shaped outlet channel (3-8).
7. A novel sedimentation tank according to claim 6, characterized in that: The finger-shaped outlet trough (3-8) is provided with a scum trough (3-10) at the front end. The scum trough (3-10) runs through multiple sedimentation tanks (3). A scum collection hole (3-11) is provided on one side wall of the sedimentation tank (3). The scum collection hole (3-11) is connected to the scum trough (3-10). The bottom of the scum trough (3-10) is inclined and leads to the outside of the sedimentation tank (3). A baffle plate (3-13) is provided between the finger-shaped outlet trough (3-8) and the scum trough (3-10).
8. A novel sedimentation tank according to claim 7, characterized in that: The finger-shaped water outlet (3-8) is provided with a triangular water weir (3-9) on the side.
9. A novel sedimentation tank according to claim 8, characterized in that: The outlet channel (5) is equipped with an outlet weir (5-1).
10. A novel sedimentation tank according to claim 3, characterized in that: The mixing tank (1), the primary flocculation tank (2-1), the secondary flocculation tank (2-3), and the sludge storage tank (4) are arranged side by side on one side of the buffer tank (8).