Sewage treatment equipment for municipal water supply and drainage
By installing a counter-rotating spiral blade structure in the flocculation tank, the problem of uneven mixing in the flocculation tank is solved, achieving a more efficient flocculation process and energy utilization, and improving the flocculation effect and operating efficiency of the sewage treatment equipment.
Patent Information
- Application Number
- CN202520542805.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-26
AI Technical Summary
The existing agitators in the flocculation tank cause short circuits and dead zones in the water flow, resulting in uneven mixing, which affects the flocculation effect and makes it difficult to maintain a uniform mixing intensity throughout the tank.
It adopts a structure of two sets of counter-rotating spiral blades. The active shaft and the driven shaft drive the spiral blades to rotate in opposite directions, which promotes multi-directional mixing of water, reduces dead zones, improves the contact efficiency between flocculant and sewage, and enhances the mixing efficiency through a second stirring structure.
It significantly improves flocculation effect, increases the probability of particle collision, accelerates floc formation and growth, distributes energy more evenly, reduces energy waste, and improves wastewater treatment efficiency.
Smart Images
Figure CN223950822U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal water supply and drainage sewage treatment technical field, concretely is a kind of sewage treatment equipment of municipal water supply and drainage. BACKGROUND
[0002] In municipal water supply and drainage sewage treatment, after using flocculation tank, suspended particles and small impurities in sewage can be more quickly gathered into larger flocs, facilitating subsequent sedimentation and filtration links, thereby improving the processing efficiency of the entire sewage treatment system.
[0003] In the prior art, in order to make the flocculant react better with the sewage, a stirrer needs to be installed in the flocculation tank to improve the reaction efficiency by stirring the sewage. However, the stirrer installed in the flocculation tank in the prior art rotates by being driven by a motor, which easily causes water flow short circuit and dead zones, leading to uneven mixing and affecting the flocculation effect. It is difficult to maintain uniform stirring intensity in the entire tank, and some areas are insufficiently stirred or excessively stirred.
[0004] Therefore, we propose a sewage treatment equipment for municipal water supply and drainage. CONTENT OF THE UTILITY MODEL
[0005] (I) Technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a sewage treatment equipment for municipal water supply and drainage, which installs two groups of counter-rotating spiral blades to enhance mixing, reduce short flow, optimize flocculation conditions, save energy and reduce wear and tear, significantly improves the stirring effect and operating efficiency of the flocculation tank, and can effectively solve the problems in the background art.
[0007] (II) Technical scheme
[0008] To achieve the above-mentioned purpose, the utility model takes the technical scheme that a sewage treatment equipment for municipal water supply and drainage includes a flocculation tank, a first stirring structure is installed inside the flocculation tank, a second stirring structure is fixedly installed on the upper end outer surface of the flocculation tank, the first stirring structure includes a support, a first motor, a driving shaft, a first spiral blade, a driven shaft, a second spiral blade, a chain wheel, a protective cover and a chain, the second stirring structure includes a fixed beam plate, a second motor, a rotating shaft, a stirrer and a third spiral blade, and the support is fixedly installed on one side of the lower part of the outer surface of one end of the flocculation tank, and the first motor is fixedly installed on the upper end outer surface of the support.
[0009] Preferably, the driving shaft is located on one side of the inner cavity of the flocculation tank, the driven shaft is located on the other side of the inner cavity of the flocculation tank, the protective cover is fixedly installed on the outer surface of one end of the flocculation tank away from the support, the number of chain wheels is two groups, and the chain wheel and the chain are located inside the protective cover.
[0010] Preferably, the first spiral blade is fixedly installed on the outer wall of the driving shaft, the second spiral blade is fixedly installed on the outer wall of the driven shaft, and the installation direction of the first spiral blade and the second spiral blade is opposite.
[0011] Preferably, the two groups of chain wheels are fixedly installed on the outer walls of one end of the driving shaft and the driven shaft, and the chain transmission is connected between the two groups of chain wheels.
[0012] Preferably, the driving shaft, the driven shaft and the flocculation tank are provided with sealing bearings, the driving shaft and the driven shaft are rotatably connected with the flocculation tank through the sealing bearings, a shaft coupling is arranged between the driving shaft and the first motor, and one end of the outer surface of the driving shaft is fixedly connected with one end of the outer surface of the output shaft of the first motor through the shaft coupling.
[0013] Preferably, the fixed beam plate is fixedly installed on the upper end of the outer surface of the flocculation tank, the second motor is fixedly installed on the middle of the upper end of the outer surface of the fixed beam plate, the rotating shaft is connected with the lower end of the outer surface of the second motor, the stirrer is fixedly installed on the outer wall of the lower part of the rotating shaft, the third spiral blade is fixedly installed on the outer wall of the bottom of the rotating shaft, a sealing bearing is arranged between the rotating shaft and the fixed beam plate, the rotating shaft is rotatably connected with the fixed beam plate through the sealing bearing, a shaft coupling is arranged between the rotating shaft and the second motor, and the upper end of the outer surface of the rotating shaft is fixedly connected with the lower end of the outer surface of the output shaft of the second motor through the shaft coupling.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides a sewage treatment equipment of municipal water supply and drainage has the following beneficial effects:
[0016] 1、the sewage treatment equipment of municipal water supply and drainage, through the first stirring structure that sets up, the spiral direction of first spiral blade and second spiral blade installation is opposite, produces opposite water flow direction, promotes the multiaxial mixing of water body up and down, left and right, reduces the dead area, promotes the contact efficiency of flocculating agent and sewage, accelerates the flocculation process, and the synergies of two groups of spiral blades ensure that the water flow of whole pool body is fully mixed, and the flocculation effect is improved, and the particle collision probability is increased by reverse rotation, and the formation and growth of floc are promoted, and energy distribution is more uniform by bidirectional stirring, energy waste is reduced, and energy efficiency is improved.
[0017] 2、the sewage treatment equipment of municipal water supply and drainage, through the second stirring structure that sets up, further improves the efficiency and quality of stirring. ACCURACY
[0018] Figure 1 It is the whole structure schematic diagram of the utility model sewage treatment equipment of municipal water supply and drainage.
[0019] Figure 2 This is a schematic diagram of the structure of a municipal water supply and drainage sewage treatment device after removing the first stirring structure.
[0020] Figure 3 This is a schematic diagram of the first stirring structure in a municipal water supply and drainage sewage treatment device of this utility model.
[0021] Figure 4 This is a schematic diagram of the second stirring structure in a municipal water supply and drainage sewage treatment device according to the present invention.
[0022] In the diagram: 1. Flocculation tank; 2. First stirring structure; 3. Second stirring structure; 4. Support; 5. First motor; 6. Drive shaft; 7. First spiral blade; 8. Driven shaft; 9. Second spiral blade; 10. Sprocket; 11. Protective cover; 12. Chain; 13. Fixed beam plate; 14. Second motor; 15. Rotating shaft; 16. Agitator; 17. Third spiral blade. Detailed Implementation
[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0024] This embodiment describes a sewage treatment device for municipal water supply and drainage.
[0025] like Figures 1-4 As shown, the system includes a flocculation tank 1, with a first stirring structure 2 installed inside the flocculation tank 1, and a second stirring structure 3 fixedly installed on the upper outer surface of the flocculation tank 1. The first stirring structure 2 includes a support 4, a first motor 5, a drive shaft 6, a first spiral blade 7, a driven shaft 8, a second spiral blade 9, a sprocket 10, a protective cover 11, and a chain 12. The second stirring structure 3 includes a fixed beam plate 13, a second motor 14, a rotating shaft 15, a stirrer 16, and a third spiral blade 17. The support 4 is fixedly installed on one side of the lower part of the outer surface of one end of the flocculation tank 1, and the first motor 5 is fixedly installed on the upper outer surface of the support 4.
[0026] The driving shaft 6 is located at one side of the inner cavity of the flocculation tank 1, the driven shaft 8 is located at the other side of the inner cavity of the flocculation tank 1, the protective cover 11 is fixedly installed on the outer surface of the end of the flocculation tank 1 away from the support 4, the number of the sprocket wheels 10 is two groups, and the sprocket wheels 10 and the chain 12 are located inside the protective cover 11; the first spiral blade 7 is fixedly installed on the outer wall of the driving shaft 6, the second spiral blade 9 is fixedly installed on the outer wall of the driven shaft 8, and the installation directions of the first spiral blade 7 and the second spiral blade 9 are opposite; the two groups of sprocket wheels 10 are fixedly installed on the outer walls of one end of the driving shaft 6 and the driven shaft 8, and the chain 12 is transmissionally connected between the two groups of sprocket wheels 10; the driving shaft 6 and the driven shaft 8 are both rotationally connected with the flocculation tank 1 through the sealing bearings, the driving shaft 6 is connected with the first motor 5 through the shaft coupling, and one end of the outer surface of the driving shaft 6 is fixedly connected with the output shaft of the first motor 5 through the shaft coupling; the fixed beam plate 13 is fixedly installed on the outer surface of the upper end of the flocculation tank 1, the second motor 14 is fixedly installed on the middle of the outer surface of the upper end of the fixed beam plate 13, the rotating shaft 15 is connected with the outer surface of the lower end of the second motor 14, the stirrer 16 is fixedly installed on the outer wall of the lower part of the rotating shaft 15, the third spiral blade 17 is fixedly installed on the outer wall of the bottom of the rotating shaft 15, the rotating shaft 15 is rotationally connected with the fixed beam plate 13 through the sealing bearing, and the rotating shaft 15 is connected with the second motor 14 through the shaft coupling.
[0027] It should be noted that the utility model is a kind of municipal water supply and drainage sewage treatment equipment, sewage and flocculant are added to the inside of flocculation tank 1, the liquid in flocculation tank 1 is stirred by first stirring structure 2 and second stirring structure 3, first stirring structure 2 is driven to rotate by the operation of first motor 5, driving shaft 6 drives one end sprocket wheel 10 to rotate, driven shaft 8 is driven to rotate by the transmission of sprocket wheel 10 and chain 12, driving shaft 6 drives first spiral blade 7 to rotate, driven shaft 8 drives second spiral blade 9 to rotate, the installation directions of first spiral blade 7 and second spiral blade 9 are opposite, the opposite water flow directions are generated, promote the mixing of water body up and down, left and right, reduce dead zone, improve the contact efficiency of flocculant and sewage, accelerate flocculation process, the synergies of two groups of spiral blades ensure that the water flow of entire pool body is fully mixed, improve flocculation effect, reverse rotation increases the probability of particle collision, promote flocculation formation and growth, bidirectional stirring enables energy distribution to be more uniform, reduce energy waste, improve energy efficiency;Second stirring structure 3 is driven to rotate by the operation of second motor 14, rotating shaft 15 drives stirrer 16 and third spiral blade 17 to rotate, material at bottom can be turned up by third spiral blade 17, improve the efficiency and quality of mixing.
[0028] It is to be noted that, in the present document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.
[0029] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A sewage treatment plant for municipal water supply and sewerage, comprising a flocculation tank (1), characterized in that: The inside of the flocculation tank (1) is provided with a first stirring structure (2), and the upper end outer surface of the flocculation tank (1) is fixedly provided with a second stirring structure (3); the first stirring structure (2) comprises a support (4), a first motor (5), a driving shaft (6), first spiral blades (7), a driven shaft (8), second spiral blades (9), sprockets (10), a protective cover (11) and a chain (12); the second stirring structure (3) comprises a fixed beam plate (13), a second motor (14), a rotating shaft (15), a stirrer (16) and third spiral blades (17); the support (4) is fixedly installed on one side of the lower part of the outer surface of one end of the flocculation tank (1), and the first motor (5) is fixedly installed on the upper end outer surface of the support (4).
2. The sewage treatment equipment for municipal water supply and drainage according to claim 1, characterized in that: The driving shaft (6) is located on one side of the inner cavity of the flocculation tank (1), the driven shaft (8) is located on the other side of the inner cavity of the flocculation tank (1), the protective cover (11) is fixedly installed on the outer surface of one end of the flocculation tank (1) away from the support (4), the number of sprockets (10) is two groups, and the sprockets (10) and the chain (12) are located inside the protective cover (11).
3. The sewage treatment equipment for municipal water supply and drainage according to claim 2, characterized in that: The first spiral blades (7) are fixedly installed on the outer wall of the driving shaft (6), the second spiral blades (9) are fixedly installed on the outer wall of the driven shaft (8), and the installation directions of the first spiral blades (7) and the second spiral blades (9) are opposite.
4. The sewage treatment equipment for municipal water supply and drainage according to claim 3, characterized in that: The two groups of sprockets (10) are fixedly installed on the outer walls of one end of the driving shaft (6) and the driven shaft (8), and the chain (12) is transmissionally connected between the two groups of sprockets (10).
5. The sewage treatment equipment for municipal water supply and drainage according to claim 4, characterized in that: Sealing bearings are arranged between the driving shaft (6), the driven shaft (8) and the flocculation tank (1), the driving shaft (6) and the driven shaft (8) are rotationally connected with the flocculation tank (1) through the sealing bearings, a shaft coupling is arranged between the driving shaft (6) and the first motor (5), and one end outer surface of the driving shaft (6) is fixedly connected with one end outer surface of an output shaft of the first motor (5) through the shaft coupling.
6. The sewage treatment equipment for municipal water supply and drainage according to claim 5, characterized in that: The fixed beam plate (13) is fixedly installed on the upper end outer surface of the flocculation tank (1), the second motor (14) is fixedly installed on the middle of the upper end outer surface of the fixed beam plate (13), the rotating shaft (15) is connected with the lower end outer surface of the second motor (14), the stirrer (16) is fixedly installed on the outer wall of the lower part of the rotating shaft (15), the third spiral blades (17) are fixedly installed on the outer wall of the bottom of the rotating shaft (15), a sealing bearing is arranged between the rotating shaft (15) and the fixed beam plate (13), the rotating shaft (15) is rotationally connected with the fixed beam plate (13) through the sealing bearing, a shaft coupling is arranged between the rotating shaft (15) and the second motor (14), and the upper end outer surface of the rotating shaft (15) is fixedly connected with the lower end outer surface of an output shaft of the second motor (14) through the shaft coupling.