CN212024871U

CN212024871U - Sewage flocculation stirrer

Info

Publication number: CN212024871U
Application number: CN202020650935.5U
Authority: CN
Inventors: 何彪; 彭姗; 杨骏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-11-27
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a sewage flocculation stirrer, which comprises a flocculation cylinder, a charging pipe, a stirring shaft, a stirring paddle, a bracket and a motor, the motor and the flocculation cylinder are arranged on the bracket, the stirring shaft is connected with a transmission shaft of the motor, the stirring paddle is arranged on the stirring shaft and is positioned in the flocculation cylinder, the stirring paddles comprise a first stirring paddle and a second stirring paddle, the first stirring paddle and the second stirring paddle are symmetrically arranged on the stirring shaft, the symmetric axes of the first stirring paddle and the second stirring paddle are mutually vertical to the stirring shaft, the first stirring paddle is positioned at the upper part of the second stirring paddle, the feeding pipe is arranged on the side wall of the flocculation cylinder, the outlet of the feeding pipe is positioned between the first stirring paddle and the second stirring paddle, the first stirring paddle comprises a paddle shaft and a paddle, the paddle is arranged at the other end of the paddle shaft, and the paddle is obliquely arranged on the second stirring paddle and is opposite to the first stirring paddle in the oblique direction. The utility model discloses a sewage flocculation agitator can effectual improvement flocculation effect, promotes flocculation efficiency.

Description

Sewage flocculation stirrer

Technical Field

The utility model relates to an environmental protection equipment field especially relates to a sewage flocculation agitator.

Background

Flocculation refers to the process of making suspended particles in water or liquid agglomerate or form flocs, thereby accelerating the coagulation of particles and achieving the purpose of solid-liquid separation, and this phenomenon or operation is called flocculation. Flocculation is generally carried out by adding a suitable flocculating agent, the effect of which is to adsorb the particles, to "bridge" the particles, and thus to promote agglomeration. In the latex industry, flocculation is the first stage of latex coagulation, an irreversible aggregation. The flocculating agent is typically an ammonium salt type electrolyte or an adsorptive colloidal chemical.

At present, flocculation operation is frequently used in sewage treatment, but the common method is to directly spray a flocculating agent into a treatment tank, so that the flocculating agent has low use efficiency, serious waste and poor effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage flocculation agitator to prior art not enough, can effectual improvement flocculation effect, promote flocculation efficiency.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

A sewage flocculation stirrer, which comprises a flocculation cylinder, a feed pipe, a stirring shaft, a stirring paddle, a bracket and a motor, the motor and the flocculation cylinder are arranged on the bracket, the stirring shaft is connected with a transmission shaft of the motor, the stirring paddle is arranged on the stirring shaft and is positioned in the flocculation cylinder, the stirring paddles comprise a first stirring paddle and a second stirring paddle, the first stirring paddle and the second stirring paddle are symmetrically arranged on the stirring shaft, the symmetric axes of the first stirring paddle and the second stirring paddle are mutually vertical to the stirring shaft, the first stirring paddle is positioned at the upper part of the second stirring paddle, the feeding pipe is arranged on the side wall of the flocculation cylinder, the outlet of the feeding pipe is positioned between the first stirring paddle and the second stirring paddle, the first stirring paddle comprises a paddle shaft and a paddle blade, an included angle between one end of the paddle shaft and the stirring shaft is 30-60 degrees, the paddle is arranged at the other end of the paddle shaft, and the paddle is obliquely arranged on the second stirring paddle and is opposite to the first stirring paddle in the oblique direction.

Further, the number of the first stirring paddles is the same as that of the second stirring paddles.

Furthermore, the quantity of first stirring rake and second stirring rake is 3, three 10-20 cm, three are separated each other between the first stirring rake 10-20 cm, three between the second stirring rake, 40-50 cm is separated between adjacent first stirring rake and the second stirring rake.

Furthermore, a third stirring paddle is arranged between the first stirring paddle and the second stirring paddle, the third stirring paddles are symmetrically arranged on the stirring shaft, and strip-shaped net-shaped paddles are welded on a paddle shaft of the third stirring paddle, and the mesh number of the paddles is 5-15.

Further, be provided with the water inlet on the lateral wall of a flocculation section of thick bamboo, the water inlet is the same with the number of filling tube, the even crisscross setting of feed inlet of water inlet and filling tube is on a flocculation section of thick bamboo lateral wall.

Furthermore, the number of the water inlets is three.

Further, the number of the paddle shafts is more than or equal to three.

Further, the paddle is plate-shaped, and the included angle between the paddle and the rotating direction of the stirring paddle is 130-145 degrees.

The utility model discloses a sewage flocculation agitator can effectual improvement flocculation effect, promotes flocculation efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a flocculation cylinder; 2. a feed tube; 3. a stirring shaft; 4. a stirring paddle; 6. a motor; 5. a support; 41. a first stirring paddle; 42. a second stirring paddle; 43. a third stirring paddle; 411. a paddle shaft; 412. a paddle; 11. a water inlet.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

As shown in the figure: the utility model provides a sewage flocculation agitator, it includes a flocculation section of thick bamboo 1, the filling tube 2, the (mixing) shaft 3, the stirring rake 4, motor 6, support 5, motor 6, a flocculation section of thick bamboo 1 is installed on support 5, the (mixing) shaft 3 links to each other with motor 6's transmission shaft, the stirring rake 4 is installed on the (mixing) shaft 3 and is located a flocculation section of thick bamboo 1, the stirring rake 4 includes first stirring rake 41 and second stirring rake 42, the symmetrical installation of first stirring rake 41 and second stirring rake 42 is on the (mixing) shaft 3 and the symmetry axis and the (mixing) shaft 3 mutually perpendicular of the two, first stirring rake 41 is located the upper portion of second stirring rake 42, filling tube 2 sets up on a flocculation section of thick bamboo 1's lateral wall and its discharge gate is located first stirring rake 41, between the second stirring rake. The first stirring paddle 41 comprises paddle shafts 411 and blades 412, at least three paddle shafts 411 are arranged on the stirring shaft 3 in an annular mode, an included angle between one end of each paddle shaft 411 and the stirring shaft 3 is 30-60 degrees, a turbulent flow area cannot be formed due to too small angle, the angle is too large, stirring is too violent, flocculation reaction is not facilitated, the blades 412 are arranged at the other end of each paddle shaft 411, each blade 412 is in a plate shape, the blades are arranged in an inclined mode, the included angle between each blade and the rotating direction of the stirring paddle 4 is 130-145 degrees, the inclination direction of each blade on the second stirring paddle 42 is opposite to that of each blade on the first stirring paddle 41, the arrangement is such that the first stirring paddle 41 stirs sewage to flow upwards, and the second stirring paddle 42 drives the sewage to flow downwards during rotation,

can form the torrent region between first stirring rake 41 and the second stirring rake 42, make the flocculating agent fully contact the reaction with sewage simultaneously when adding the flocculating agent for flocculation effect promotes the treatment effeciency, and first stirring rake 41 tilt up is convenient for stir the next treatment chamber of sewage cocurrent flow, and the slope of second stirring rake 42 slope is downward, makes the mud of flocculation can not the accumulation deposit, blocks a flocculation section of thick bamboo 1. Be provided with water inlet 11 on the lateral wall of a flocculation section of thick bamboo 1, in order to accelerate the reaction, filling tube 2 can set up a plurality ofly and quantity the same with water inlet 11, and the setting that the two was evenly crisscross is around a flocculation section of thick bamboo 1, and the optimum is 3, and the discharge gate of

filling tube

2 and 11 crisscross distributions of water inlet set up too much and can cause the waste of flocculating agent.

Meanwhile, in order to enhance the stirring effect, according to the size and depth of the reaction tank, a plurality of first stirring paddles 41 and a plurality of second stirring paddles 42 can be arranged, but the number of the first stirring paddles and the number of the second stirring paddles are the same, and the optimal number is that the number of the first stirring paddles 41 and the number of the second stirring paddles 42 are 3, the three first stirring paddles 41 are mutually spaced by 10-20 cm, the three second stirring paddles 42 are mutually spaced by 10-20 cm, the adjacent first stirring paddles 41 and the second stirring paddles 42 are spaced by 40-50 cm, the third stirring paddles 43 are arranged between the adjacent first stirring paddles 41 and the second stirring paddles 42, the number of the third stirring paddles 43 is two, the third stirring paddles are symmetrically arranged on the stirring shaft 3, strip-shaped mesh blades are welded on the paddle shaft of the third stirring paddles 43, the mesh number on the blades is 5-15 meshes, so that the flocculant can quickly react with sewage in the stirring process, the number of the flocculates is too large, and the blades are easily blocked, the paddle loses efficacy, the set mesh number is too small, and the stirring and mixing effect is poor.

Place this device in sewage treatment's flocculation basin, the starter motor adds the flocculating agent through filling tube 2, can effectual reduction flocculating agent the use amount, reinforcing flocculation effect, reduction treatment time and cost.

It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a sewage flocculation agitator which characterized in that: it comprises a flocculation cylinder (1), a feeding pipe (2), a stirring shaft (3), stirring paddles (4), a support (5) and a motor (6), wherein the motor (6) and the flocculation cylinder (1) are installed on the support (5), the stirring shaft (3) is connected with a transmission shaft of the motor (6), the stirring paddles (4) are installed on the stirring shaft (3) and are positioned in the flocculation cylinder (1), the stirring paddles (4) comprise a first stirring paddle (41) and a second stirring paddle (42), the first stirring paddle (41) and the second stirring paddle (42) are symmetrically installed on the stirring shaft (3), the symmetric axes of the first stirring paddle and the second stirring paddle are mutually vertical to the stirring shaft (3), the first stirring paddle (41) is positioned on the upper part of the second stirring paddle (42), the feeding pipe (2) is arranged on the side wall of the flocculation cylinder (1) and the outlet of the feeding pipe is positioned between the first stirring paddle (41) and the second stirring paddle (42), the first stirring paddle (41) comprises a paddle shaft (411) and a paddle (412), an included angle between one end of the paddle shaft (411) and the stirring shaft (3) is 30-60 degrees, the paddle (412) is arranged at the other end of the paddle shaft (411), and the paddle (412) is obliquely arranged on the second stirring paddle (42) and is opposite to the paddle on the first stirring paddle (41).

2. The sewage flocculation agitator of claim 1, wherein: the number of the first stirring paddles (41) is the same as that of the second stirring paddles (42).

3. The sewage flocculation agitator of claim 2, wherein: the quantity of first stirring rake (41) and second stirring rake (42) is 3, and is three 10-20 cm, three are separated each other between first stirring rake (41) the interval 10-20 cm between three between second stirring rake (42), 40-50 cm between adjacent first stirring rake (41) and second stirring rake (42).

4. The sewage flocculation agitator of claim 1, wherein: be provided with third stirring rake (43) between first stirring rake (41), second stirring rake (42), third stirring rake (43) are two and mutual symmetrical setting on (mixing) shaft (3), the mesh number that has the paddle of the banding net type and the paddle of welding on the oar shaft of third stirring rake (43) is 5-15 mesh.

5. The sewage flocculation agitator of claim 1, wherein: be provided with water inlet (11) on the lateral wall of a flocculation section of thick bamboo (1), water inlet (11) are the same with the number of filling tube (2), the even crisscross setting of the feed inlet of water inlet (11) and filling tube (2) is on a flocculation section of thick bamboo (1) lateral wall.

6. The sewage flocculation agitator of claim 5, wherein: the number of the water inlets (11) is three.

7. The sewage flocculation agitator of claim 1, wherein: the number of the paddle shafts (411) is more than or equal to three.

8. The sewage flocculation agitator of claim 1, wherein: the paddle (412) is plate-shaped, and the included angle between the paddle (412) and the rotating direction of the stirring paddle (4) is 130-145 degrees.