Sewage treatment settling tank

Abstract

The utility model provides a sewage treatment settling tank, which belongs to the technical field of sewage treatment settling tanks and comprises a rust-proof tank body, a stirring motor, a first transmission shaft, an inner gear ring, a variable-speed scattering mechanism and a stirring mechanism, the stirring motor is fixedly connected to the upper part of the anti-rust tank body; the first transmission shaft is rotationally connected to the upper portion of the interior of the anti-rust tank body. The first transmission shaft is coaxially and fixedly connected with a motor shaft of the stirring motor. The inner gear ring is fixedly connected to the upper portion of the interior of the anti-rust tank body. The variable-speed material scattering mechanism is arranged at the upper part in the anti-rust tank body; and the stirring mechanism is arranged in the anti-rust tank body. According to the utility model, a flocculating agent can be fully mixed with sediments in sewage, so that the efficiency and the effect of precipitating and separating the sediments in the antirust tank body are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment sedimentation tanks, and more specifically, particularly relates to a sewage treatment sedimentation tank. Background Art

[0002] The sewage treatment sedimentation tank is an important device in sewage treatment. The existing sewage treatment sedimentation tank is usually composed of a tank body, a water inlet, a water outlet, a motor, a stirring shaft and a mud outlet. When in use, sewage enters the tank body from the water inlet, and then flocculants are added into the tank body for mixing. The motor drives the stirring shaft to rotate to accelerate the mixing. After the mixing is completed, it needs to be left to stand for a period of time. At this time, the flocculant will increase the cohesion of the sediment in the sewage, prompting the tiny suspended particles of the sediment in the water to aggregate and form larger flocs, thereby facilitating the precipitation and separation of the sediment in the water. After the water and sediment in the tank body are layered, the water is discharged from the water outlet and the sediment is discharged from the mud outlet, completing the sewage purification treatment.

[0003] The invention application with the existing application number 201910436183.4 discloses a sedimentation tank for sewage treatment, including a tank body, wherein the interior of the tank body is sequentially provided with an inner separator, a middle separator and an outer separator from the inside to the outside, wherein the inner separator, the middle separator and the outer separator are all cylindrical structures with openings at both ends, wherein the heights of the inner separator, the middle separator and the outer separator decrease in sequence, wherein the upper end surfaces of the inner separator, the middle separator and the outer separator are all provided with overflow grooves, wherein the outer surfaces of the inner separator, the middle separator and the outer separator are all provided with overflow pipes corresponding to the positions of the overflow grooves, and an inlet pipe is penetrated at the upper end of the inner cavity of the inner separator. The present invention improves the effect of sewage purification by better diverting sewage and increasing the contact degree between sewage and medicine.

[0004] Based on the above, when using a sewage treatment sedimentation tank, it is necessary to add flocculants into the tank body to precipitate and separate the sediment in the water. The molecular weight of the flocculants is relatively large, generally in the millions or tens of millions. When the flocculants are dissolved in water, they will first swell and then slowly dissolve. When the sewage capacity in the sewage treatment sedimentation tank is large, more flocculants need to be added to the tank body. At this time, the part of the more flocculants that first encounters water begins to swell, and then the surface area becomes larger, and then it wraps the part that has not contacted the water, thereby forming some insoluble water treatment flocculant clusters (the central part of these water treatment flocculant clusters is dry and not wet), which makes it impossible for the flocculants to fully mix with the sediment in the sewage, affecting the sedimentation and separation effect of the sediment in the sewage treatment sedimentation tank. Utility Model Content

[0005] In order to solve the above technical problems at least to a certain extent, the utility model provides a sewage treatment sedimentation tank.

[0006] The purpose and effect of the sewage treatment sedimentation tank of the utility model are achieved by the following specific technical means:

[0007] A sewage treatment sedimentation tank comprises a rust-proof tank body, a servo motor, a screw conveyor, a stirring motor, a first transmission shaft, an inner gear ring, a variable speed spreading mechanism and a stirring mechanism;

[0008] The outer periphery of the rust-proof tank body is provided with a water inlet, a water outlet and a mud discharge outlet;

[0009] The screw conveyor is fixedly connected to the bottom of the rust-proof tank body, and the screw conveyor is arranged below the mud discharge port of the rust-proof tank body;

[0010] The servo motor is arranged below the anti-rust tank body, and the servo motor is arranged at the right end of the screw conveyor. The motor shaft of the servo motor is coaxially fixedly connected with the screw shaft inside the screw conveyor. The servo motor can drive the screw shaft inside the screw conveyor to rotate. The rotation of the screw shaft inside the screw conveyor can discharge the sediment at the bottom of the anti-rust tank body through the mud discharge port;

[0011] The stirring motor is fixedly connected above the rust-proof tank body;

[0012] The first transmission shaft is rotatably connected to the upper part of the interior of the rust-proof tank body, and the first transmission shaft is coaxially fixedly connected to the motor shaft of the stirring motor;

[0013] The inner gear ring is fixedly connected to the upper part of the interior of the rust-proof tank body;

[0014] The variable speed material spreading mechanism is arranged above the interior of the rust-proof tank body;

[0015] The stirring mechanism is arranged inside the rust-proof tank body.

[0016] Further, the stirring mechanism includes a sun gear and a cross plate;

[0017] The sun gear is fixedly connected to the outer periphery of the lower end of the first transmission shaft;

[0018] The cross plate is arranged above the inside of the rust-proof tank body, two groups of through holes are arranged inside the cross plate, and the cross plate is arranged below the inner gear ring.

[0019] Furthermore, the stirring mechanism also includes a planetary gear and a high-efficiency stirring shaft;

[0020] There are two sets of planetary gears, which are respectively arranged above the inside of the rust-proof tank body, meshed with the sun gear, meshed with the inner gear ring, and each of the two sets of planetary gears has a set of through holes;

[0021] There are two groups of high-efficiency stirring shafts, which are respectively fixedly connected to the inner circumferences of the through holes inside the two groups of planetary gears, and are respectively arranged inside the rust-proof tank body, and are arranged on the inner circumferences of the two groups of through holes inside the cross plate.

[0022] Furthermore, the variable speed material spreading mechanism includes a hopper and a material spreading pipe;

[0023] The material spreading pipe is fixedly connected above the cross plate, and a group of through holes are provided on the side of the material spreading pipe;

[0024] The hopper is fixedly connected above the material spreading pipe, and flocculant can be stored inside the hopper.

[0025] Furthermore, the speed-changing material spreading mechanism further includes a material spreading gear, a second transmission shaft and a first bevel gear;

[0026] The second transmission shaft is rotatably connected inside the cross plate;

[0027] The material spreading gear is fixedly connected to the outer periphery of the upper end of the second transmission shaft, and the material spreading gear is meshed with the inner gear ring;

[0028] The first bevel gear is fixedly connected to the lower outer periphery of the second transmission shaft.

[0029] Furthermore, the speed-changing material spreading mechanism further includes a second bevel gear and a material spreading rotating shaft;

[0030] The material spreading shaft is rotatably connected to the top of the interior of the rust-proof tank, and one end of the material spreading shaft rotates inside the material spreading pipe;

[0031] The second bevel gear is fixedly connected to one end of the material spreading shaft, and the second bevel gear is meshed with the first bevel gear.

[0032] Compared with the prior art, the utility model has the following beneficial effects:

[0033] The utility model arranges a stirring mechanism, and the stirring motor rotates through the transmission cooperation of the first transmission shaft, the sun gear and the two sets of planetary gears so that the two sets of high-efficiency stirring shafts can rotate at multiple angles. When the two sets of planetary gears rotate around the inner circumference of the inner gear ring, the two sets of high-efficiency stirring shafts drive the cross plate to rotate. The multi-angle rotation of the two sets of high-efficiency stirring shafts can make the flocculant in the anti-rust tank body be quickly and fully mixed with the sediment in the sewage, thereby improving the sedimentation and separation efficiency of the sewage sediment in the anti-rust tank body.

[0034] The utility model arranges a variable speed material spreading mechanism, and the cross plate rotates to drive the material spreading gear to rotate. The rotation of the material spreading gear rotates through the transmission cooperation of the second transmission shaft, the first bevel gear and the second bevel gear to rotate the material spreading shaft. The rotation of the material spreading shaft causes the flocculant inside the hopper to be sprinkled into the interior of the rust-proof tank body through the material spreading pipe. When the rotation speeds of the two groups of high-efficiency stirring shafts change, the rotation speeds of the material spreading shafts will also change synchronously, thereby achieving different speeds for the flocculant inside the hopper to be sprinkled into the interior of the rust-proof tank body through the material spreading pipe according to the different rotation speeds of the two groups of high-efficiency stirring shafts, thereby avoiding the problem of easy generation of water treatment flocculant clumps when a large amount of flocculant is added, so that the flocculant can be fully mixed with the sediment in the sewage, thereby improving the sedimentation and separation effects of the sediment in the rust-proof tank body.

[0035] The utility model has the function of enabling the flocculant inside the rust-proof tank to be quickly and fully mixed with the sediment in the sewage, thereby improving the efficiency of sedimentation and separation of the sewage sediment in the rust-proof tank, and avoiding to a great extent the problem of easily generating water treatment flocculant clumps when a large amount of flocculant is added, so that the flocculant can be fully mixed with the sediment in the sewage, thereby improving the effect of sedimentation and separation of the sediment in the rust-proof tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0037] Figure 2 It is a schematic diagram of the stirring mechanism structure of the utility model.

[0038] Figure 3 It is a schematic diagram of the structure of the inner gear ring of the utility model.

[0039] Figure 4 It is a schematic diagram of the planetary gear structure of the utility model.

[0040] Figure 5 It is a structural schematic diagram of the variable speed material spreading mechanism of the utility model.

[0041] Figure 6 It is a schematic diagram of the material spreading shaft structure of the utility model.

[0042] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0043] 1. Rust-proof tank body; 2. Servo motor; 3. Screw conveyor; 4. Stirring motor; 5. First transmission shaft; 6. Sun gear; 7. Planetary gear; 8. Cross plate; 9. High-efficiency stirring shaft; 10. Internal gear ring; 11. Hopper; 12. Spreading gear; 13. Second transmission shaft; 14. First bevel gear; 15. Second bevel gear; 16. Spreading shaft; 17. Spreading pipe. DETAILED DESCRIPTION

[0044] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0045] Embodiment 1:

[0046] like Figures 1 to 4 As shown:

[0047] The sewage treatment sedimentation tank provided in this embodiment includes a rust-proof tank body 1, a servo motor 2, a screw conveyor 3, a stirring motor 4, a first transmission shaft 5, an inner gear ring 10 and a stirring mechanism; a water inlet, a water outlet and a mud discharge port are arranged on the outer periphery of the rust-proof tank body 1; the screw conveyor 3 is fixedly connected to the bottom of the rust-proof tank body 1, and the screw conveyor 3 is arranged below the mud discharge port of the rust-proof tank body 1; the servo motor 2 is arranged below the rust-proof tank body 1, and the servo motor 2 is arranged at the right end of the screw conveyor 3, and the motor shaft of the servo motor 2 is coaxially fixedly connected with the screw shaft inside the screw conveyor 3, and the servo motor 2 can drive the screw shaft inside the screw conveyor 3 to rotate, and the rotation of the screw shaft inside the screw conveyor 3 can discharge the sediment at the bottom of the rust-proof tank body 1 through the mud discharge port.

[0048] The stirring motor 4 is fixedly connected above the rust-proof tank body 1; the first transmission shaft 5 is rotatably connected above the inside of the rust-proof tank body 1, and the first transmission shaft 5 is coaxially fixedly connected with the motor shaft of the stirring motor 4; the inner gear ring 10 is fixedly connected above the inside of the rust-proof tank body 1; the stirring mechanism is arranged inside the rust-proof tank body 1.

[0049] Among them, the stirring mechanism includes a sun gear 6 and a cross plate 8; the sun gear 6 is fixedly connected to the outer periphery of the lower end of the first transmission shaft 5; the cross plate 8 is arranged above the inside of the rust-proof tank body 1, and two groups of through holes are arranged inside the cross plate 8, and the cross plate 8 is arranged below the inner gear ring 10.

[0050] Wherein, the stirring mechanism also includes a planetary gear 7 and a high-efficiency stirring shaft 9;

[0051] There are two sets of planetary gears 7, which are respectively arranged above the inside of the rust-proof tank body 1, and the two sets of planetary gears 7 are respectively meshed with the sun gear 6, and the two sets of planetary gears 7 are respectively meshed with the inner gear ring 10, and a set of through holes are provided inside the two sets of planetary gears 7;

[0052] There are two groups of high-efficiency stirring shafts 9, which are respectively fixedly connected to the inner circumferences of the through holes inside the two groups of planetary gears 7, and are respectively arranged inside the rust-proof tank body 1, and are arranged on the inner circumferences of the two groups of through holes inside the cross plate 8.

[0053] The specific usage and function of the first embodiment are as follows:

[0054] During use, when the rust-proof tank body 1 is used to precipitate and separate sediment in sewage, the stirring motor 4 is started, and the stirring motor 4 rotates to drive the first transmission shaft 5 to rotate, and the rotation of the first transmission shaft 5 drives the sun gear 6 to rotate, and the rotation of the sun gear 6 causes the two sets of planetary gears 7 to rotate around the inner circumference of the inner ring 10 while rotating, and the rotation of the two sets of planetary gears 7 drives the two sets of high-efficiency stirring shafts 9 to rotate at multiple angles, and when the two sets of planetary gears 7 rotate around the inner circumference of the inner ring 10, the cross plate 8 is driven to rotate through the two sets of high-efficiency stirring shafts 9, and the multi-angle rotation of the two sets of high-efficiency stirring shafts 9 can enable the flocculant inside the rust-proof tank body 1 to be quickly and fully mixed with the sediment in the sewage, thereby improving the sedimentation and separation efficiency of the sewage sediment in the rust-proof tank body 1.

[0055] Embodiment 2:

[0056] Based on the first embodiment, Figures 1 to 6 As shown, it also includes a variable speed material spreading mechanism, which is arranged above the inside of the rust-proof tank body 1;

[0057] The variable speed material spreading mechanism includes a hopper 11 and a material spreading pipe 17;

[0058] The material spreading pipe 17 is fixedly connected above the cross plate 8, and a group of through holes are provided on the side of the material spreading pipe 17;

[0059] The hopper 11 is fixedly connected above the material spreading pipe 17 , and flocculant can be stored inside the hopper 11 .

[0060] The speed-changing material spreading mechanism further includes a material spreading gear 12, a second transmission shaft 13 and a first bevel gear 14;

[0061] The second transmission shaft 13 is rotatably connected to the inside of the cross plate 8;

[0062] The material spreading gear 12 is fixedly connected to the outer periphery of the upper end of the second transmission shaft 13, and the material spreading gear 12 is meshed with the inner gear ring 10;

[0063] The first bevel gear 14 is fixedly connected to the lower outer periphery of the second transmission shaft 13 .

[0064] The speed-changing material spreading mechanism further includes a second bevel gear 15 and a material spreading shaft 16;

[0065] The material spreading shaft 16 is rotatably connected to the top of the rust-proof tank body 1, and one end of the material spreading shaft 16 is rotated inside the material spreading pipe 17. The outer circumference of the material spreading shaft 16 is provided with a plurality of grooves. When the material spreading shaft 16 rotates, the flocculant inside the hopper 11 will be sprinkled into the rust-proof tank body 1 through the material spreading pipe 17.

[0066] The second bevel gear 15 is fixedly connected to one end of the material spreading shaft 16 , and the second bevel gear 15 is meshed with the first bevel gear 14 .

[0067] The specific usage and function of the second embodiment are as follows:

[0068] During use, when the sewage capacity in the rust-proof tank body 1 is large, more flocculants need to be put into the tank body. At this time, the flocculants are placed inside the hopper 11. When the stirring motor 4 rotates, the cross plate 8 will rotate through a series of transmission cooperation. Through the meshing of the spreading gear 12 and the inner gear ring 10, the spreading gear 12 will also rotate at different speeds according to the rotation speed of the cross plate 8. The rotation of the spreading gear 12 drives the first bevel gear 14 to rotate through the second transmission shaft 13. The rotation of the first bevel gear 14 drives the second bevel gear 15 to rotate. The rotation of the second bevel gear 15 drives the spreading shaft 16 to rotate. The rotation of the spreading shaft 16 will cause the flocculant in the hopper 11 to be sprinkled into the rust-proof tank body 1 through the spreading pipe 17 When the stirring motor 4 rotates, a series of transmission cooperation will be used to rotate the two sets of high-efficiency stirring shafts 9 and the spreading shaft 16. When the rotation speed of the two sets of high-efficiency stirring shafts 9 changes, the rotation speed of the spreading shaft 16 will also change synchronously. Therefore, according to the different rotation speeds of the two sets of high-efficiency stirring shafts 9, the speed at which the flocculant inside the hopper 11 is sprinkled into the rust-proof tank body 1 through the spreading pipe 17 will also be different, which can more fully mix the flocculant with the sediment in the sewage, and greatly avoid the problem of easily generating water treatment flocculant clumps when adding flocculants, so that the flocculant can be fully mixed with the sediment in the sewage, thereby improving the sedimentation and separation effect of the sediment in the rust-proof tank body 1.

Claims

1. A sewage treatment sedimentation tank, characterized in that: The invention comprises a rust-proof tank body (1), a servo motor (2), a screw conveyor (3), a stirring motor (4), a first transmission shaft (5), an inner gear ring (10), a variable speed material spreading mechanism and a stirring mechanism; the outer periphery of the rust-proof tank body (1) is provided with a water inlet, a water outlet and a mud discharge outlet; the screw conveyor (3) is fixedly connected to the bottom of the rust-proof tank body (1), and the screw conveyor (3) is arranged below the mud discharge outlet of the rust-proof tank body (1); the servo motor (2) is arranged below the rust-proof tank body (1), and the servo motor (10) is arranged below the rust-proof tank body (1). (2) is fixedly installed at the right end of the screw conveyor (3); the stirring motor (4) is fixedly connected to the top of the rust-proof tank body (1); the variable speed material spreading mechanism is arranged on the top of the inside of the rust-proof tank body (1); the stirring mechanism is arranged on the inside of the rust-proof tank body (1); the first transmission shaft (5) is rotatably connected to the top of the inside of the rust-proof tank body (1), and the first transmission shaft (5) is coaxially fixedly connected to the motor shaft of the stirring motor (4); the inner gear ring (10) is fixedly connected to the top of the inside of the rust-proof tank body (1).

2. The sewage treatment sedimentation tank according to claim 1, characterized in that: The stirring mechanism comprises a sun gear (6) and a cross plate (8); the sun gear (6) is fixedly mounted on the outer periphery of the lower end of the first transmission shaft (5); the cross plate (8) is arranged above the inside of the rust-proof tank body (1), two groups of through holes are arranged inside the cross plate (8), and the cross plate (8) is arranged below the inner gear ring (10).

3. The sewage treatment sedimentation tank according to claim 2, characterized in that: The stirring mechanism further comprises planetary gears (7) and a high-efficiency stirring shaft (9); the planetary gears (7) are two sets in total, the two sets of planetary gears (7) are respectively arranged above the inside of the rust-proof tank body (1), the two sets of planetary gears (7) are respectively meshed with the sun gear (6), the two sets of planetary gears (7) are respectively meshed with the inner gear ring (10), and a set of through holes is provided inside the two sets of planetary gears (7); the high-efficiency stirring shafts (9) are two sets in total, the two sets of high-efficiency stirring shafts (9) are respectively fixedly connected to the inner circumferences of the through holes inside the two sets of planetary gears (7), the two sets of high-efficiency stirring shafts (9) are respectively arranged inside the rust-proof tank body (1), and the two sets of high-efficiency stirring shafts (9) are arranged on the inner circumferences of the two sets of through holes inside the cross plate (8).

4. The sewage treatment sedimentation tank according to any one of claims 1 to 3, characterized in that: The variable speed material spreading mechanism comprises a hopper (11) and a material spreading pipe (17); the material spreading pipe (17) is fixedly mounted above the cross plate (8); and the hopper (11) is fixedly mounted above the material spreading pipe (17).

5. The sewage treatment sedimentation tank according to claim 4, characterized in that: The speed-changing material spreading mechanism further comprises a material spreading gear (12), a second transmission shaft (13) and a first bevel gear (14); the second transmission shaft (13) is rotatably connected inside the cross plate (8); the material spreading gear (12) is fixedly mounted on the outer periphery of the upper end of the second transmission shaft (13), and the material spreading gear (12) is meshed with the inner gear ring (10); and the first bevel gear (14) is fixedly mounted on the outer periphery below the second transmission shaft (13).

6. The sewage treatment sedimentation tank according to claim 4, characterized in that: The speed-changing material spreading mechanism further comprises a second bevel gear (15) and a material spreading rotating shaft (16); the material spreading rotating shaft (16) is rotatably mounted on the upper part of the rust-proof tank body (1), one end of the material spreading rotating shaft (16) is rotated inside the material spreading pipe (17), and a plurality of groups of grooves are arranged on the outer periphery of one end of the material spreading rotating shaft (16); the second bevel gear (15) is fixedly mounted on one end of the material spreading rotating shaft (16), and the second bevel gear (15) is meshed with the first bevel gear (14).

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