Novel improved vertical flow sedimentation tank
By introducing the rotating shaft, reflective plate and cross blade structure into the vertical flow sedimentation tank, the problems of mud discharge cone bucket blocking and feed interference in the traditional vertical flow sedimentation tank are solved, and the stable operation of the equipment and efficient separation of clarified liquids are achieved.
Patent Information
- Application Number
- CN202420638716.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-03-29
AI Technical Summary
During operation, traditional vertical flow sedimentation tanks are prone to blockage of the lower mud discharge cone bucket and large feed interference, resulting in unstable equipment operation and inability to efficiently separate the clarified liquid.
An improved vertical flow sedimentation tank is designed, including a rotating shaft, reflecting plate, cross blade and scraper structure. The rotating shaft drives the blade and scraper to slowly agitate the sedimentation area to reduce sludge deposition, and evenly distribute the feed through the reflecting plate, combining the design of overflow tank and water collection tank to achieve efficient solid-liquid separation.
It effectively prevents clogging of the mud discharge cone bucket, reduces the disturbance of the feed on the precipitation area, ensures uniform dispersion of the feed and smooth mud discharge, and improves the continuous operation cycle of the equipment and the output efficiency of the clarified liquid.
Smart Images
Figure CN222777657U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of water treatment equipment in chemical production, in particular to a novel improved vertical flow sedimentation tank. Background Art
[0002] The water treatment process often involves flocculation and sedimentation. After flocculation and sedimentation, solid-liquid separation is required to obtain clarified liquid. Vertical flow sedimentation tanks are often used for solid-liquid separation. However, traditional vertical flow sedimentation tanks have more or less disadvantages. Either the lower mud cone bucket is easily blocked, often needs to be cleaned, and the continuous operation cycle is short; or the feed interferes greatly with the sedimentation process and the clarified overflow liquid cannot be obtained, resulting in the inefficient operation of the equipment. Summary of the invention
[0003] The purpose of the utility model is to make up for the shortcomings of the prior art and provide a novel and improved vertical flow sedimentation tank.
[0004] The technical solution of this utility model:
[0005] A novel and improved vertical flow sedimentation tank comprises a tank body, wherein the bottom of the tank body is provided with a mud discharge cone bucket, the top is provided with an overflow trough, the outside of the overflow trough is provided with a water collecting trough, a rotating shaft is provided at the center of the tank body, a central cylinder is provided outside the rotating shaft, a feed pipe is inserted into the central cylinder, the mouth of the feed pipe is vertically upward, a reflective plate is provided at the lower side of the rotating shaft, and blades are provided at the bottom of the rotating shaft.
[0006] Preferably, a rotating shaft sleeve is further provided on the outer side of the rotating shaft.
[0007] Further preferably, a gap is provided between the pipe opening of the feed pipe and the rotating shaft sleeve, and the pipe opening is lower than the bottom of the overflow tank.
[0008] Preferably, the water collecting trough is provided with a clean water outlet, and the bottom of the tank body is provided with a mud discharge outlet.
[0009] Preferably, the top edge of the overflow trough is serrated.
[0010] Preferably, the reflective plate is conical.
[0011] Further preferably, the cone angle of the reflector is 140°-160°, the vertical distance between the cone top and the bottom of the central tube 12 is 20 cm-40 cm, and the diameter of the cone bottom circle is 1.3-1.5 times the diameter of the central tube.
[0012] Preferably, the blades are provided with two layers, the upper and lower layers of blades are vertically crossed, scrapers and support rods are installed at the ends of the blades, and the scrapers are 10cm-30cm away from the inner wall of the mud discharge cone bucket.
[0013] Preferably, the top of the rotating shaft is connected to a reducer, and the reducer is driven by a motor. The motor is placed on a motor base, and the reducer is placed on a reducer base. The motor base and the reducer base are placed on a pool top platform.
[0014] The utility model has the following beneficial effects:
[0015] 1. The reflector helps to reduce the disturbance of water flow impact on the sedimentation area, making the feed more stable, uniform and dispersed. It can also prevent sludge from accumulating on the reflector and causing blockage in the lower area of the center tube.
[0016] 2. When the rotating shaft rotates slowly, the vertically crossed blades can slowly stir the sedimentation area to prevent sludge from settling. The inclined scraper at the end of the blade can push the sludge to the discharge port, making the discharge smoother. The support rod can make the upper and lower blade structures more stable.
[0017] 3. The rotating shaft is driven by a motor and its speed is adjusted by frequency conversion. When the sludge concentration in the sludge cone bucket is high, the rotating shaft can increase its speed to prevent sludge from settling and clogging the system.
[0018] 4. The rotating shaft is protected by a sleeve to prevent the impact of feed from damaging the rotating shaft.
[0019] 5. The overflow tank is collected in the water collection tank, which can effectively intercept suspended matter and efficiently discharge the upper clear liquid. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 It is a three-dimensional schematic diagram of the connection between the blades, scrapers and support rods on the rotating shaft;
[0022] Figure 3 It is a top view schematic diagram of the connection between the blades, scrapers and support rods on the rotating shaft;
[0023] Figure 4 It is a top view schematic diagram of the connection between the overflow tank 9 and the water collecting tank 7;
[0024] In the figure: 1 feed pipe, 2 motor base, 3 motor, 4 reducer, 5 reducer base, 6 pool top platform, 7 water collecting trough, 8 clean water outlet, 9 overflow trough, 10 pool body, 11 rotating shaft sleeve, 12 center tube, 13 reflection plate, 14 rotating shaft, 15 blade, 16 scraper, 17 mud discharge cone bucket, 18 mud discharge port, 19 support rod. DETAILED DESCRIPTION
[0025] The following will be combined with the specific 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 of 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.
[0026] Example 1
[0027] A novel and improved vertical flow sedimentation tank comprises a tank body 10, wherein a mud discharge cone hopper 17 is provided at the bottom of the tank body 10, an overflow trough 9 is provided at the top, a water collecting trough 7 is provided outside the overflow trough 9, a rotating shaft 14 is provided at the center of the tank body 10, a central tube 12 is provided outside the rotating shaft 14, a feed pipe 1 is deeply inserted into the central tube 12, a mouth of the feed pipe 1 is vertically upward, a reflective plate 13 is provided at the lower side of the rotating shaft 14, and a blade 15 is provided at the bottom of the rotating shaft 14.
[0028] Preferably, a rotating shaft sleeve 11 is further provided on the outer side of the rotating shaft 14 .
[0029] Further preferably, a gap is provided between the pipe opening of the feed pipe 1 and the rotating shaft sleeve 11 , and the pipe opening is lower than the bottom of the overflow tank 9 .
[0030] Preferably, the water collecting tank 7 is provided with a clean water outlet 8, and the bottom of the tank body 10 is provided with a mud discharge outlet 8.
[0031] Preferably, the top edge of the overflow groove 9 is serrated.
[0032] Preferably, the reflective plate 13 is conical.
[0033] Further preferably, the cone angle of the reflective plate 13 is 140°-160°, the vertical distance between the cone top and the bottom of the central tube 12 is 20 cm-40 cm, and the diameter of the cone bottom circle is 1.3-1.5 times the diameter of the central tube 12 .
[0034] Preferably, the blades 15 are provided with two layers, the upper and lower layers of blades are vertically crossed, and scrapers 16 and support rods 19 are installed at the ends of the blades. The scrapers 16 are 10 cm-30 cm away from the inner wall of the mud discharge cone bucket 17.
[0035] Preferably, the top of the rotating shaft 14 is connected to the reducer 4, and the reducer 4 is driven by the motor 3. The motor 3 is placed on the motor base 2, and the reducer 4 is placed on the reducer base 5. The motor base 2 and the reducer base 5 are placed on the pool top platform 6.
[0036] The feed pipe 1 extends into the central tube 12, the pipe mouth is vertically upward, the edge of the pipe mouth is 15cm away from the edge of the rotating shaft sleeve 11, and the pipe mouth is 30cm below the bottom of the overflow trough 9. The four overflow troughs 9 are evenly distributed on the top of the pool and converge into the sump 7. The top edge of the overflow trough 9 is serrated. The reflector 13 is fixed on the rotating shaft 14. The reflector is conical, with a cone top angle of 150°, a vertical distance of 30cm from the cone top to the bottom of the central tube 12, and a diameter of 1.3 times the diameter of the cone bottom circle. The bottom of the rotating shaft 14 is equipped with upper and lower layers of blades 15, the upper and lower layers of blades are vertically crossed, and two scrapers 16-1 and 16-2 are installed at the ends of the blades, and two support rods 19-1 and 19-2. The scrapers 16-1 and 16-2 are 10cm away from the inner wall of the mud cone bucket 17. The rotating shaft 14 is equipped with a rotating shaft sleeve 11 near the pipe mouth of the feed pipe in the central tube 12. The motor 3 is a variable frequency motor and is equipped with a reducer 4.
[0037] The above are only relatively preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel and improved vertical flow sedimentation tank, comprising a tank body (10), characterized in that: The pool body (10) is provided with a mud discharge cone bucket (17) at the bottom and an overflow trough (9) at the top. A water collecting trough (7) is provided outside the overflow trough (9). A rotating shaft (14) is provided at the center of the pool body (10). A central tube (12) is provided outside the rotating shaft (14). A feed pipe (1) is inserted into the central tube (12). The feed pipe (1) has an orifice pointing vertically upward. The rotating shaft (14) is located at the lower side of the central tube (12) and is provided with a reflector (13). A blade (15) is provided at the bottom of the rotating shaft (14). A rotating shaft sleeve (11) is further provided outside the rotating shaft (14). A gap is provided between the orifice of the feed pipe (1) and the rotating shaft sleeve (11). The orifice of the feed pipe (1) is lower than the bottom of the overflow trough (9). The cone angle of the reflector (13) is 140°-160°. The vertical distance between the cone top and the bottom of the central tube (12) is 20 cm-40 cm. The diameter of the cone bottom circle is 1.3-1.5 times the diameter of the central tube (12).
2. The novel improved vertical flow sedimentation tank according to claim 1 is characterized in that: The water collecting tank (7) is provided with a clean water outlet (8), and the bottom of the tank body (10) is provided with a mud discharge outlet (18).
3. The novel and improved vertical flow sedimentation tank according to claim 1 is characterized in that: The top edge of the overflow groove (9) is serrated.
4. The novel and improved vertical flow sedimentation tank according to claim 1 is characterized in that: The reflective plate (13) is conical.
5. The novel and improved vertical flow sedimentation tank according to claim 1 is characterized in that: The blades (15) are provided with two layers, the upper and lower layers of blades are vertically crossed, and a scraper (16) and a support rod (19) are installed at the ends of the blades. The scraper (16) is 10 cm to 30 cm away from the inner wall of the mud discharge cone bucket (17).
6. The novel and improved vertical flow sedimentation tank according to claim 1 is characterized in that: The top of the rotating shaft (14) is connected to the reducer (4), and the reducer (4) is driven by the motor (3). The motor (3) is placed on the motor base (2), and the reducer (4) is placed on the reducer base (5). The motor base (2) and the reducer base (5) are placed on the pool top platform (6).