CN206915858U

CN206915858U - One kind stirring aerator

Info

Publication number: CN206915858U
Application number: CN201720843346.7U
Authority: CN
Inventors: 胡振东; 朱小微
Original assignee: Shanghai Glenn Colin (group) Co Ltd
Current assignee: Shanghai Glenn Colin (group) Co Ltd
Priority date: 2017-07-12
Filing date: 2017-07-12
Publication date: 2018-01-23
Anticipated expiration: 2027-07-12

Abstract

The utility model discloses one kind to stir aerator, it is characterised in that：It includes motor, motor is connected with controller, and motor lower portion protrusion is provided with shaft coupling, and motor is connected by shaft coupling with main shaft, main shaft upper socket has torquemeter, the lower section of torquemeter is provided with inflator, and main shaft bottom is socketed with the first agitator arm, the second agitator arm is provided with below the first agitator arm, first agitator arm includes blade, second agitator arm includes lower blade, and blade is obliquely installed, and lower blade is vertically arranged；Positive effect of the present utility model is：Double-deck oar produces four collar vortexs, and axially stirring, Double-layer oblique leaf paddle structure differ, and straight oar can destroy the symmetry in flow field under upper tiltedly leaf oar, improve the tubulence energy between liquid layer, improve gas-liquid mixed effect；Device entirety liftable, maintenance are easier, and single unit system can be descended to only more than motor water body liquid level during operation, and noise is smaller.

Description

One kind stirring aerator

Technical field

Sewage treatment area is the utility model is related to, specifically a kind of stirring aerator can be suitable for various Miniature Sewage Farm, oxygenic aeration is realized, play mixing effect.

Background technology

Aeration mode has many kinds：It is big to be broadly divided into blast aeration, surface aeration, underwater aeration and oxygen aeration four Class, blast aeration are the compressed airs for providing air pressurized equipment, and the air being sent into by pipe-line system in aeration tank spreads On device, spread in the form of bubbles；Surface aeration is to produce hydraulic jump when water surface rotates by aerator, a large amount of water droplets Thrown in the air with sheet-like water shield, water fully contacts with air, oxygen is incorporated water body quickly；While oxygenation, rotated in aerator Plug-flow effect under, the few water body of bottom of pond layer oxygen content is lifted into upward circulation, constantly oxygenation；Underwater aeration is in water bottom Or middle level is filled with air, and water body is full and uniform mixes, and completes transfer of the oxygen from gas phase to liquid phase；Used aerator Species is various, and the quality of aerator, not only influence biochemical wastewater treatment effect, and directly influence Treatment stations take up an area, Investment and operating cost, therefore in recent decades, it is always an important scientific research task of various countries' common concern, into 80 After age, due to energy crisis, to accounting for improvement and novel device of the sewage farm operating cost up to 60-80% aerator Develop more turn into various countries be badly in need of solve problem.

A kind of new drawing-in type stirring aerator, simple in construction, mechanical loss disclosed in Chinese patent 2013205588909 Low, noise is small, but the limitation that underwater sealing performance is high, difficult in maintenance be present, and mixed effect compares high-power aeration Machine is not ideal enough.

Utility model content

Based on above mentioned problem, the utility model is implemented to disclose a kind of stirring aerator, and four whirlpools are produced using double-deck oar Ring, axially stirring, device entirety liftable, maintenance are easier.

The utility model is that solve above-mentioned technical problem by following technical proposals：One kind stirring aerator, it is special Sign is：It includes motor 1, and the motor 1 is connected with controller 13, and the bottom protrusion of the motor 1 is provided with shaft coupling 2, institute State motor 1 to be connected with main shaft 3 by shaft coupling 2, the upper socket of the main shaft 3 has torquemeter 4, the lower section of the torquemeter 4 Provided with inflator 5, the inflator 5 is circumferentially positioned at the periphery of main shaft 3, and the bottom of the main shaft 3 is socketed with the first agitator arm 6, The lower section of first agitator arm 6 is additionally provided with the second agitator arm 7, and second agitator arm 7 is socketed in the bottom of main shaft 3 Portion, first agitator arm 6 include some blades 11, and second agitator arm 7 includes some lower blades 12, it is described on Blade 11 is equal with the number of lower blade 12, and upper leaf piece 11 is obliquely installed, and the lower blade 12 is set perpendicular to main shaft 3；

It also includes a pair of vertically disposed supports 8, and the support 8 is symmetricly set in the both sides of main shaft 3, each branch Frame 8 is socketed with fixed block 9, and the fixed block 9 is locked and is fixed on support 8 by screw 10, and above-mentioned fixed block 9 is respectively with one One end connection of connecting rod 10, the other end of the connecting rod 10 are fixedly connected with the both ends of torquemeter 4, and the connecting rod 10 is hung down Directly set in support 8.

Positive effect of the present utility model is：Double-deck oar produces four collar vortexs, axially stirring, Double-layer oblique leaf oar knot Structure differs, and straight oar can destroy the symmetry in flow field under upper tiltedly leaf oar, improve the tubulence energy between liquid layer, improve gas-liquid mixed effect Fruit；Device entirety liftable, maintenance are easier, and single unit system can be descended to only more than motor water body liquid level during operation, made an uproar Sound is smaller；Apparatus structure is simple, reasonable in design, and principle is reliable, is easy to maintenance and installation, and tolerance is adjustable, and noise is small, low in energy consumption, fills Oxygen ability is strong, and aeration effect is good, applied widely.

Brief description of the drawings

Fig. 1 is overall structure diagram of the present utility model.

Reference

1 motor

2 shaft couplings

3 main shafts

4 torquemeters

5 inflators

6 first agitator arms

7 second agitator arms

8 supports

9 fixed blocks

10 connecting rods

11 blades

12 lower blades

13 controllers.

Embodiment

With reference to embodiment and accompanying drawing, the utility model is described in further detail, but reality of the present utility model The mode of applying is not limited only to this.

The utility model aims to provide a kind of stirring aerator, it is characterised in that：It includes motor 1, the motor 1 It is connected with controller 13, the bottom protrusion of the motor 1 is provided with shaft coupling 2, and the motor 1 is connected by shaft coupling 2 and main shaft 3 Connect, the upper socket of the main shaft 3 has torquemeter 4, and the lower section of the torquemeter 4 is provided with inflator 5, and the inflator 5 is around setting In the periphery of main shaft 3, the bottom of the main shaft 3 is socketed with the first agitator arm 6, and the lower section of first agitator arm 6 is also set There is the second agitator arm 7, second agitator arm 7 is socketed in the bottom of main shaft 3, and first agitator arm 6 and second stir It is oblique impeller structure to mix impeller 7, and first agitator arm 6 includes some blades 11, if second agitator arm 7 includes Dry lower blade 12, upper leaf piece 11 is equal with the number of lower blade 12, and upper leaf piece 11 is obliquely installed, the lower blade 12 Set perpendicular to main shaft 3, on bilayer tiltedly under straight impeller in straight agitating paddle, namely the liquid level shearing force of the second agitator arm 7 is larger, Be advantageous to being uniformly dispersed for gas；

Embodiment

Screw 10 is unclamped, aerator is slowly put down from support 8, progressed into aeration tank, specific implementation step is such as Under：

（1）Connect the power supply of aerator, it is ensured that equipment being capable of normal operation；

（2）Dissolved oxygen equipment shifts to an earlier date half an hour unlatching, is preheated and calibrated zeroing；

（3）Dissolved oxygen probe is placed at the center liquid level of aeration tank and fixed；

（4）Water will be full of in aeration tank, and continues to adjust the height of aerator so that the depth of the dive of the second agitator arm 7 Degree reaches more than 30cm；

（5）Measure and record water temperature and the concentration of dissolved oxygen, calculate the dosage of deoxidier, dosage should be sodium sulfite dispensing Amount, dissolved oxygen concentration, aeration tank inner volume and the product for consuming the quality, totally four of sodium sulfite needed for one gram of oxygen, peace Final result should also be multiplied by 1.5 safety coefficient for the sake of complete；

（6）Sodium sulfite using hot water dissolving and pours into aeration tank with cobalt chloride, starts the first agitator arm 6 and second and stirs Impeller 7 is mixed to stir two minutes；

（7）When dissolved oxygen reading is zero, the first agitator arm 6 and the second agitator arm 7 are adjusted by controller 13 Rotating speed so that wheel speed is 1700r per minute, the dissolved oxygen in water of one minute measure；

（8）When dissolved oxygen concentration value added is less than 0.2mg/L in half an hour, shut down.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the utility model specific implementation is confined to these above-mentioned explanations.For the common skill of the utility model art For art personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should It is considered as belonging to the scope of protection of the utility model.

Claims

1. one kind stirring aerator, it is characterised in that：It includes motor（1）, the motor（1）With controller（13）Connection, institute State motor（1）Bottom protrusion be provided with shaft coupling（2）, the motor（1）Pass through shaft coupling（2）With main shaft（3）Connection, the master Axle（3）Upper socket have torquemeter（4）, the torquemeter（4）Lower section be provided with inflator（5）, the inflator（5）Around setting In main shaft（3）Periphery, the main shaft（3）Bottom be socketed with the first agitator arm（6）, first agitator arm（6）'s Lower section is additionally provided with the second agitator arm（7）, second agitator arm（7）It is socketed in main shaft（3）Bottom, it is described first stirring Impeller（6）Including some blades（11）, second agitator arm（7）Including some lower blades（12）, upper leaf piece （11）With lower blade（12）Number it is equal, upper leaf piece（11）It is obliquely installed, the lower blade（12）Perpendicular to main shaft（3） Set；

It also includes a pair of vertically disposed supports（8）, the support（8）It is symmetricly set in main shaft（3）Both sides, it is each described Support（8）It is socketed with fixed block（9）, the fixed block（9）Pass through screw（10）Lock and be fixed on support（8）On, it is above-mentioned Fixed block（9）Respectively with a connecting rod（10）One end connection, the connecting rod（10）The other end and torquemeter（4）Both ends consolidate Fixed connection, the connecting rod（10）Perpendicular to support（8）Set.