CN217418288U

CN217418288U - A mixing system for flocculation and precipitation pond

Info

Publication number: CN217418288U
Application number: CN202221435783.2U
Authority: CN
Inventors: 贾远强; 刘少文; 王磊; 贾鹏; 孙豪志; 邓传光; 陆思会; 刘译蔓; 郝鹏举; 张忠伟; 臧乐乐
Original assignee: Stande Technology Engineering Qingdao Co ltd
Current assignee: Stande Technology Engineering Qingdao Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-13
Anticipated expiration: 2032-06-09

Abstract

The utility model provides a stirring system for a flocculation sedimentation tank, which comprises a water turbine, a speed reducer and a stirring mechanism, wherein the water turbine is arranged at a water inlet of the stirring tank and is connected with the speed reducer through a driving belt, and the output end of the speed reducer is connected with the stirring mechanism; the stirring mechanism is rotatably arranged on the inner wall of the stirring tank of the flocculation sedimentation tank. The stirring mechanism can be realized by using the lift without additional power and only using hydrodynamic force.

Description

A mixing system for flocculation and precipitation pond

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to a mixing system for flocculation and precipitation pond.

Background

The flocculation sedimentation tank is one of sedimentation tanks in feed and discharge water. The flocculation process is the most basic and very important treatment process in the treatment of industrial water and domestic sewage, and by adding some medicaments (generally called coagulant and coagulant aid) into water, particles which are difficult to precipitate in the water can be polymerized with each other to form colloid, and then are combined with impurities in the water body to form larger floccules. The flocculating constituent has strong adsorption capacity, can adsorb suspended matters, and can adsorb partial bacteria and soluble substances. The flocs sink down by increasing their volume through adsorption.

The application of the flocculation precipitation process in water treatment has been in history for hundreds of years, and compared with other physical and chemical methods, the flocculation precipitation process has the advantages of good effluent quality, stable and reliable process operation, economy, practicality, simplicity and convenience in operation and the like.

The flocculation sedimentation tank needs to be forcibly stirred by a stirrer in the using process, so that the coagulant is in more sufficient contact with water, the flocculation and sedimentation effects are improved, and the energy consumption of the stirrer is a problem which has to be considered by a sewage treatment plant. Sewage treatment plant uses most machinery exactly to various water pumps, and at water pump design lectotype in-process, the designer often gains the resistance coefficient of pipeline bigger than normal, when the model of selection pump in addition, has increased a lift surplus again for the pump do not have the lift of running under the best operating mode, wasted the water pump again.

SUMMERY OF THE UTILITY MODEL

The utility model provides an agitating system for flocculation and precipitation pond can reduce sewage treatment plant energy consumption in, improves the work efficiency of water pump again.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a stirring system for a flocculation sedimentation tank, which comprises a water turbine, a speed reducer and a stirring mechanism, wherein the water turbine is arranged at a water inlet of the stirring tank and is connected with the speed reducer through a driving belt, and the output end of the speed reducer is connected with the stirring mechanism; the stirring mechanism is rotatably arranged on the inner wall of the stirring tank of the flocculation sedimentation tank.

Preferably, the stirring mechanism comprises a main shaft, and one end of the main shaft is connected with the output end of the speed reducer, while the other end is rotatably connected on the inner wall of the stirring pool.

Preferably, the stirring mechanism further comprises a connecting rod and a stirring rod; one end of a connecting rod is fixedly connected to the main shaft, and the connecting rod is perpendicular to the main shaft; and stirring rods are fixed at the other end and the middle part of the connecting rod.

Preferably, the cross-sectional shape of the stirring rod is a V shape.

Preferably, a water inlet of the stirring pool is provided with a water diversion chamber, a water inlet throat is connected in the water diversion chamber, and water pressurized by the water inlet throat can drive the water turbine.

Compared with the prior art, the utility model discloses an advantage and beneficial effect are: the utility model discloses an install on the stirring pond of flocculation and precipitation pond, utilize the intake pump and advance medicine pump lift and the further pressurization of throat of intaking to provide hydrodynamic force, drive rabbling mechanism rotates in the stirring pond to make the medicament intensive mixing of sewage and flocculation usefulness. The whole process does not consume electric energy, saves energy and improves the working efficiency of the flocculation sedimentation tank.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic view of the structure of the embodiment;

FIG. 2 is a schematic view of the mechanism of part A of FIG. 1;

fig. 3 is a schematic structural view of the stirring mechanism.

Reference numbers in the figures: 1. a stirring tank; 2. a sedimentation tank; 3. a water inlet pump; 4. a medicine inlet pump; 5. a diversion chamber; 6. a water turbine; 7. a speed reducer; 8. a stirring mechanism; 9. a water inlet throat pipe; 10. a transmission belt; 11. a main shaft; 12. a connecting rod; 13. a stirring rod; 14. an inclined tube; 15. a mud settling hopper.

Detailed Description

The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.

It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1:

the embodiment provides a stirring system for a flocculation and sedimentation tank, installs on the flocculation and sedimentation tank, and the flocculation and sedimentation tank overall structure who is provided with stirring system is shown as fig. 1 ~ 3, divide into stirring pond 1 and sedimentation tank 2. The flocculation sedimentation tank adopts a water inlet pump 3 to feed sewage, and a medicine inlet pump 4 to feed a coagulant or a coagulant aid. The water inlet pump 3 and the medicine inlet pump 4 are connected with the water diversion chamber 5 through pipelines, and the water diversion chamber 5 provides a place for mixing sewage and medicines. The water outlet of the diversion chamber 5 is connected with the water inlet of the stirring tank 1.

The utility model provides a stirring system which comprises a water turbine 6, a speed reducer 7 and a stirring mechanism 8; the water outlet of the diversion chamber 5 is connected with a water inlet choke 9, the water inlet choke 9 is connected with the water inlet of the stirring pool 1, the water turbine 6 is installed at the water inlet of the stirring pool 1, and the water pressurized by the water inlet choke 9 can drive the impeller of the water turbine 6. The hydraulic turbine 6 is connected with a driving wheel, the driving wheel is provided with a driving belt 10, and the driving wheel is connected with the input end of the speed reducer 7 so that the hydraulic turbine 6 drives the speed reducer 7; the driving wheel and the driving belt 10 are used for driving, and belt pulleys and belts are also used. The output end of the bottom of the speed reducer 7 is coaxially connected with the stirring mechanism 8; the bottom of the stirring mechanism 8 is rotatably arranged at the bottom of the inner wall of the stirring tank 1.

The stirring mechanism 8 comprises a main shaft 11, a connecting rod 12 and a stirring rod 13; the top end of the main shaft 11 is used for connecting the output end of the speed reducer 7; the bottom end is rotatably connected with the bottom of the inner wall of the stirring tank 1. The left side and the right side of the main shaft 11 are respectively fixedly connected with two connecting rods 12. The connecting rod 12 is perpendicular to the main shaft 11; the end and the middle of the connecting rod 12 far away from the main shaft 11 are respectively fixedly connected with a stirring rod 13. The cross-sectional shape of the stirring rod 13 is "V" shaped. The connecting rods 12 and the stirring rods 13 constitute a frame structure. The structure utilizes the high-pressure water generated by the unnecessary lift of the water pump to push the small-sized water turbine 6 to rotate, and then drives the stirring mechanism 8 to rotate, so that the main shaft 11 rotates to drive the frame structure formed by the connecting rod 12 and the stirring rod 13 to rotate, and the stirring is carried out to promote the purification of sewage. The frame construction resistance is less in stirring pond 1, therefore the hydrodynamic force can satisfy the drive of speed reducer 7, need not extra power.

A water outlet on the right side of the stirring tank 1 is connected with a water inlet of the sedimentation tank 2, the sedimentation tank 2 is an inclined tube sedimentation tank, and an inclined tube 14 is arranged at the upper position inside the sedimentation tank; the bottom of the sedimentation tank 2 is provided with a sludge settling hopper 15, and the height of the sludge settling hopper 15 is lower than the water inlet of the sedimentation tank 2 and is used for collecting sediments.

Based on above-mentioned embodiment structure, the utility model provides a theory of operation for a mixing system of flocculation and precipitation pond does: the high-pressure sewage from the water inlet pump 3 and the flocculating agent from the chemical feeding pump are mixed in the water diversion chamber 5, and then pressurized by the water inlet throat pipe 9 to act on the impeller of the water turbine 6 to push the water turbine 6 to rotate. After the water turbine 6 rotates, the speed reducer 7 is driven to rotate through the belt, the stirring mechanism 8 is rotated after speed reduction, under the rotating action of the stirring mechanism 8, the flocculating agent and the sewage are fully contacted and coagulated, and enter the sedimentation tank 2 provided with the inclined pipe 14 to carry out mud-water separation and purify the sewage.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. The stirring system for the flocculation sedimentation tank is characterized by comprising a water turbine (6), a speed reducer (7) and a stirring mechanism (8), wherein the water turbine (6) is installed at a water inlet of the stirring tank (1), the water turbine (6) is connected with the speed reducer (7) through a transmission belt (10), and the output end of the speed reducer (7) is connected with the stirring mechanism (8); the stirring mechanism (8) is rotatably arranged on the inner wall of the stirring tank (1) of the flocculation sedimentation tank (2).

2. The stirring system for the flocculation sedimentation tank according to claim 1, wherein the stirring mechanism (8) comprises a main shaft (11), and one end of the main shaft (11) is connected with the output end of the speed reducer (7) and the other end is rotatably connected to the inner wall of the stirring tank (1).

3. The agitation system for a flocculating and settling tank of claim 2, wherein the agitation mechanism (8) further comprises a connecting rod (12) and an agitation rod (13); one end of a connecting rod (12) is fixedly connected to the main shaft (11), and the connecting rod (12) is perpendicular to the main shaft (11); and a stirring rod (13) is fixed at the other end and the middle part of the connecting rod (12).

4. A stirring system for a flocculation basin according to claim 3, wherein the cross-sectional shape of the stirring rod (13) is "V" shaped.

5. The stirring system for the flocculation and sedimentation tank according to claim 1, wherein a water inlet of the stirring tank (1) is provided with a water diversion chamber (5), a water inlet throat (9) is connected in the water diversion chamber (5), and water pressurized by the water inlet throat (9) can drive the water turbine (6).