CN107117724A - A kind of sewage disposal aerator - Google Patents

Abstract

The invention discloses an aerator for sewage treatment, which comprises a pool body, a plurality of racks, a bracket, a power unit, and a plurality of mixing parts; guide rails are arranged on the pool body, and the guide rails are arranged along the length direction of the pool body; The racks are all installed on the pool body, and the racks are arranged along the length direction of the pool body; the bracket is slidably installed on the guide rail; the power unit is used to drive the bracket to move along the length direction of the guide rail; multiple mixing parts and multiple racks one by one Correspondingly set, the mixing part includes a stirring shaft, a gear, and a stirring blade, and the stirring shaft is vertically rotated and installed on the support; the gear is mounted on the stirring shaft, and the gear and the rack are matched, and the rack is located on the first moving path of the gear. When the gear moves along the first moving path and contacts the rack, the rack drives the gear to rotate.

Description

Aerator for sewage treatment

technical field

The invention relates to the technical field of sewage treatment, in particular to an aerator for sewage treatment.

Background technique

With the rapid development of urbanization in my country, the discharge of urban domestic sewage is increasing rapidly. The state attaches great importance to sewage treatment and discharge. Since 1998, when the discharge of urban domestic sewage exceeded the discharge of industrial wastewater, urban sewage treatment has developed rapidly. By the end of the third quarter of 2015, my country has built 4,078 sewage treatment plants, with a total sewage treatment capacity of 166 million tons per day. , the actual processing capacity is about 120 million tons/day. As the main sewage treatment equipment, the sewage treatment mixer is widely used in sewage treatment plants. The research on it is the key to energy saving and emission reduction in sewage treatment plants.

The structure of the existing equipment is complicated, and the use effect is not ideal enough, so it needs to be further improved.

Contents of the invention

In order to solve the technical problems existing in the background technology, the present invention proposes an aerator for sewage treatment with good effect.

An aerator for sewage treatment, including a pool body, multiple racks, a bracket, a power unit, and multiple mixing parts;

There are guide rails on the pool body, and the guide rails are arranged along the length direction of the pool body;

A plurality of racks are installed on the pool body, and the racks are arranged along the length direction of the pool body;

The bracket is slidingly installed on the guide rail;

The power unit is used to drive the bracket to move along the length direction of the guide rail;

A plurality of mixing parts and a plurality of racks are provided in one-to-one correspondence. The mixing part includes a stirring shaft, a gear, and a stirring blade. The stirring shaft is vertically rotated and installed on the bracket; The rack is located on the first moving path of the gear. When the gear moves along the first moving path and contacts the rack, the rack drives the gear to rotate; the stirring blade is installed on the stirring shaft, and the surface of the stirring blade is stirred by a curve P Axis rotation, wherein, the curve P is: X ² Y = L, where, X is the abscissa of the stirring blade, Y is the ordinate of the stirring blade; D is the diameter of the stirring shaft, and S is the cross-sectional area of the tank. It also includes an air intake part, which includes an air intake pipe and multiple air intake mechanisms, and the multiple air intake mechanisms are placed in the pool body, and the multiple air intake mechanisms are distributed in sequence. The air intake mechanism includes a main pipe, multiple air intake units, The main pipe is arranged along the length direction of the pool body, and the main pipe is connected with the intake pipe; multiple air intake units are arranged in sequence along the length direction of the main pipe, and the air intake unit includes a connecting pipe and a plurality of branch pipes, and the connecting pipe is arranged vertically. The main pipe is connected; multiple branch pipes are arranged in sequence along the vertical direction, and the multiple branch pipes are all connected with the connecting pipe.

Preferably, it also includes a plurality of supply mechanisms, and the plurality of supply mechanisms are distributed sequentially along the length direction of the pool body. The supply mechanism includes a mounting frame, a storage box, a sliding rod, a slider, a connector, and a plug. The mounting frame is installed on the pool body. On the top, the storage box is located above the pool body, the storage box is connected with the mounting frame, and the bottom wall of the storage box is provided with a drain hole; the sliding bar is arranged in the vertical direction, and the sliding bar is installed on the mounting frame; the sliding block is slidably installed on the On the sliding rod; the plug is installed on the slider through the connecting piece, and the plug is used to close or open the drain hole.

Preferably, it also includes a push plate, the push plate is installed on the bracket, the above-mentioned connecting piece is located on the second moving path of the pushing plate, when the pushing plate moves along the second moving path and contacts the connecting piece, the pushing plate presses the connecting piece Causes the link to move vertically.

Preferably, the cross section of the push plate is "∧" type.

Preferably, a funnel is also included, the funnel is installed on the bracket, and the funnel is used for entering or leaving the area below the drain hole.

Preferably, it also includes a dispensing tube, the length direction of the dispensing tube is perpendicular to the length direction of the cell body, the dispensing tube is installed on the support, the dispensing tube is connected with the funnel, and the dispensing tube is provided with a plurality of through holes. The through holes are distributed sequentially along the length direction of the liquid pipe.

In the present invention, the power unit is used to drive the bracket to move along the length direction of the guide rail. When the gear contacts the rack, the rack drives the gear to rotate, and then the stirring blade is used to drive the sewage in the pool to rotate, so that the sewage can be fully aerated. Multiple racks and multiple mixing parts improve the sewage aeration effect.

The present invention specially designs the surface of the stirring blade. When using the stirring blade of the present invention to stir sewage, the resistance of the water body is small, and the debris in the sewage will not be bonded to the surface of the stirring blade. The energy consumption is small, and it is convenient to drive the sewage to move. Improve the aeration effect.

The invention has simple structure and convenient use.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other; the present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

Referring to Figure 1:

An aerator for sewage treatment proposed by the present invention includes a pool body 1, a plurality of racks 2, a bracket 3, a power unit, and a plurality of mixing parts.

There are guide rails on the pool body 1, and the guide rails are arranged along the length direction of the pool body 1; multiple racks 2 are installed on the pool body 1, and the racks 2 are arranged along the length direction of the pool body 1; the bracket 3 is slidably installed on the guide rails ; The power unit is used to drive the bracket 3 to move along the length direction of the guide rail.

A plurality of mixing parts and a plurality of racks 2 are provided in one-to-one correspondence, and the mixing parts include a stirring shaft 4, a gear 5, and a stirring blade 6, and the stirring shaft 4 is vertically rotated and installed on the bracket 3; the gear 5 is installed on the stirring shaft 4, The gear 5 cooperates with the rack 2, and the rack 2 is located on the first moving path of the gear 5. When the gear 5 moves along the first moving path and contacts the rack 2, the rack 2 drives the gear 5 to rotate; stirring The blade 6 is installed on the stirring shaft 4, and the surface of the stirring blade 6 is formed by rotating the curve P around the stirring shaft 4, wherein the curve P is: X ² Y=L, wherein, X is the abscissa of the stirring blade 6, Y is the ordinate of the stirring blade 6; D is the diameter of the stirring shaft 4, and S is the cross-sectional area of the pool body 1.

The present embodiment also includes an air intake portion, the air intake portion includes an air intake pipe 7, and a plurality of air intake mechanisms, and a plurality of air intake mechanisms are placed in the pool body 1, and a plurality of air intake mechanisms are distributed sequentially, and the air intake mechanisms include a main pipe 8 , a plurality of air intake units, the main pipe 8 is arranged along the length direction of the pool body 1, and the main pipe 8 is connected with the air intake pipe 7; a plurality of air intake units are arranged successively along the length direction of the main pipe 8, and the air intake unit includes a connecting pipe 9, a plurality of Branch pipe 10, connecting pipe 9 is arranged vertically, and connecting pipe 9 is connected with main pipe 8; Multiple branch pipes 10 are arranged successively along vertical direction, and multiple branch pipes 10 are all connected with connecting pipe 9; Gas is introduced into the pool to promote the sewage reaction. By setting up multiple air intake mechanisms, multiple air intake units, etc., and by setting up multiple branch pipes, the branch pipes are evenly distributed in the pool body, so that all parts of the sewage can be in contact with the gas. , improve the effect of aeration and oxygenation.

In this embodiment, the components and weight percentages of the stirring blade 6 are: C: 2.1-2.2%, Cr: 15-16%, Mn: 0.6-0.65%, Si: 0.5-0.6%, Ni: 0.2-0.3% , V: 0.1-0.2%; the balance is Fe and unavoidable impurities; specifically, the components and weight percentages of the stirring blade 6 can be C: 2.15%, Cr: 15.2%, Mn: 0.62%, Si: 0.55 %, Ni: 0.25%, V: 0.15%; the balance is Fe and unavoidable impurities; C and other elements cooperate with each other to improve wear resistance; Si strengthens the structure and improves the strength; Ni, V, etc. refine the grain and improve Abrasion resistance: the stirring blade 6 obtained by the above components has good abrasion resistance, high strength and long service life.

This embodiment also includes a plurality of supply mechanisms, which are distributed sequentially along the length direction of the pool body 1, and the supply mechanism includes a mounting frame 11, a storage box 12, a sliding rod 13, a slider 14, a connecting piece 15, and a plug 16 , the mounting frame 11 is installed on the pool body 1, the storage box 12 is located above the pool body 1, the storage box 12 is connected with the mounting frame 11, and the bottom wall of the storage box 12 is provided with a drain hole; the slide bar 13 is vertically Setting, the sliding bar 13 is installed on the mounting frame 11; the sliding block 14 is slidably installed on the sliding bar 13; the plug 16 is installed on the sliding block 14 through the connecting piece 15, and the plug 16 is used to close or open the drain hole.

The present embodiment also includes a push plate 17, the push plate 17 is installed on the support 3, and the above-mentioned connecting piece 15 is located on the second moving path of the pushing plate 17, when the pushing plate 17 moves along the second moving path and contacts with the connecting piece 15 , the push plate 17 presses the connecting piece 15 to cause the connecting piece 15 to move vertically, thereby causing the plug to separate from the drain hole.

During sewage treatment, reactive reagents such as flocculants need to be introduced into the sewage to promote the chemical reaction of the sewage. Place the reagent in the storage box 12; when the bracket 3 moves, when the push plate 17 contacts the connecting piece 15, the pushing plate 17 pushes the connecting piece 15 to move upward, so that the plug 16 is separated from the drain hole, and the reagent is discharged through the drain hole Enter the pool body 1; when the push plate 17 is separated from the connecting piece 15, under the action of its own weight, the connecting piece 15 moves down, allowing the plug 16 to re-seal the connecting hole. Through the design of the above structure, there is no need to place reagents on the support 3, reducing the pressure of the support 3, which facilitates the movement of the support 3 and reduces wear; by setting multiple supply mechanisms, it is convenient to distribute and add reagents to the cell body 1, without the need to place All reagents move together to reduce operating costs, and different reagents can be placed in different supply mechanisms, which can effectively promote the sewage reaction and improve the treatment effect.

In this embodiment, the cross-section of the push plate 17 is "∧" type; it is convenient to use the push plate 17 to push the connecting piece 15 back and forth, which facilitates the back and forth movement of the bracket 3 and is more convenient to use.

The present embodiment also comprises funnel 18, and funnel 18 is installed on the support 3, and funnel 18 is used for entering or breaking away from the lower area of drain hole; more into the pool body 1, so that the reagents are evenly distributed, which can effectively promote the sewage reaction.

This embodiment also includes a liquid pipe 19, the length direction of the liquid pipe 19 is perpendicular to the length direction of the cell body 1, the liquid pipe 19 is installed on the support 3, the liquid pipe 19 is connected with the funnel 18, and the liquid pipe 19 A plurality of through holes are provided, and the through holes are distributed sequentially along the length direction of the liquid pipe 19; the reagent in the funnel 18 enters the pool body 1 through the liquid pipe 19 and the through hole, so that the distribution of the reagent is more uniform, and the sewage reaction effect is better .

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (7)

1. a kind of sewage disposal aerator, it is characterised in that including pond body, multiple racks, support, power unit, multiple mixed Conjunction portion；

Pond body is provided with guide rail, length direction arrangement of the guide rail along pond body；

Multiple racks are installed in pond body, length direction arrangement of the rack along pond body；

Bracket slide is arranged on guide rail；

Power unit is moved for driving arm along the length direction of guide rail；

Multiple mixing unit are corresponded with multiple racks and set, and mixing unit includes agitating shaft, gear, paddle, and agitating shaft is vertical It is rotatably installed on support；Gear is arranged on agitating shaft, and wheel and rack is engaged, and above-mentioned rack is located at the first shifting of gear On dynamic path, when gear is moved along above-mentioned first mobile route and is contacted with rack, rack drives pinion rotation；Paddle is pacified On agitating shaft, the surface of paddle is rotated by curve P around agitating shaft to be formed, wherein, curve P is：X²Y=L, wherein,X is the abscissa of paddle, and Y is the ordinate of paddle；D is the diameter of agitating shaft, and S is pond body Area of section.

2. sewage disposal aerator according to claim 1, it is characterised in that also including intake section, intake section includes Air inlet pipe, multiple admission gears, multiple admission gears are placed in pond body, and multiple admission gears are sequentially distributed, admission gear's bag Supervisor, multiple air admission units are included, is responsible for along the length direction of pond body and arranges, supervisor is connected with air inlet pipe；Multiple air admission unit edges The length direction of supervisor is sequentially arranged, and air admission unit includes connecting tube, multiple branch pipes, and connecting tube is arranged in a vertical direction, and is connected Pipe is connected with supervisor；Multiple branch pipes are vertically sequentially arranged, and multiple branch pipes are connected with connecting tube.

3. sewage disposal aerator according to claim 1, it is characterised in that multiple also including multiple feed mechanisms Feed mechanism is sequentially distributed along the length direction of pond body, feed mechanism include mounting bracket, storage bin, slide bar, sliding block, connector, Plug, mounting bracket is arranged in pond body, and storage bin is located at the top of pond body, and storage bin is connected with mounting bracket, the bottom wall of storage bin It is provided with outage；Slide bar is vertically set, and slide bar is arranged on mounting bracket；Sliding block is slidably mounted on slide bar；Plug It is arranged on by connector on sliding block, plug is used to closing or opening outage.

4. sewage disposal aerator according to claim 3, it is characterised in that also including push pedal, push pedal is arranged on branch On frame, above-mentioned connector is located on the second mobile route of push pedal, when push pedal is moved along the second mobile route and is connect with connector When touching, push pedal extruding connector causes connector vertically to move.

5. sewage disposal aerator according to claim 4, it is characterised in that the section of push pedal is "∧" type.

6. sewage disposal aerator according to claim 3, it is characterised in that also including funnel, funnel is arranged on branch On frame, funnel is used for the lower zone of into and out outage.

7. sewage disposal aerator according to claim 6, it is characterised in that also including separating tube, the length of separating tube Degree direction is vertical with the length direction of pond body, and separating tube is rack-mount, and separating tube is connected with funnel, and separating tube is provided with more Individual through hole, multiple through holes are sequentially distributed along the length direction of separating tube.