CN201785243U

CN201785243U - Liftable aeration device

Info

Publication number: CN201785243U
Application number: CN2010205045557U
Authority: CN
Inventors: 刘长青; 张峰; 毕学军; 郝春红; 程丽华
Original assignee: Qingdao University of Technology
Current assignee: Qingdao University of Technology
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-04-06
Anticipated expiration: 2020-08-26

Abstract

The utility model provides a liftable aeration device. The aeration device comprises an underframe, aeration disks, guiding frames, lifting devices and a roller guiding device, wherein the aeration disks are distributed on the underframe; the guiding frames are respectively arranged on two sides of the underframe; two guide grooves are formed on each guiding frame; a lifting device is mounted on each of the two guiding frames; each lifting device comprises a motor, a worm and gear reducer, a gear, a rack, a lifting frame and a guide plate, wherein the gear and the rack are mutually meshed, and the rack is connected to the lifting frame; and the roller guiding device is mounted on the underframe and comprises a support, a sleeve, rollers and a mounting rack, and the rollers are positioned in the guide grooves of the guiding frames. In the utility model, the meshing of the gear and the rack is utilized to lift the aeration device, and the floating rollers serve as the guiding components to reduce the lifting resistance and prevent the lifting aeration device from unbalance due to water impact. The utility model has the characteristics that the aeration device can be lifted stably and reliably and better positioned.

Description

A kind of elevated aerating apparatus

Technical field

The utility model relates to the aerating apparatus in the sewage disposal, belongs to technical field of sewage.

Background technology

In sewage treatment process, the aeration tank is the main units of sewage being carried out aerobic treatment.No matter be bio-contact oxidation or activated sludge process, in treating processes,, must guarantee to have in the water a certain amount of dissolved oxygen to exist in order to keep the vital movement of microorganism in the aeration tank.So-called aeration just is meant and adopts aerating apparatus (as aeration plate) constantly air to be squeezed in the water, or utilizes mechanical agitation to make airborne oxygen soluble in water.Adopt in activated sludge process and the former is many.In the aeration tank of Sludge System, aerator is arranged at the bottom of the pond more, this decoration form can effectively play and stir and mixing effect, make the mixed solution in the aeration tank be in violent admixture, thereby make active sludge, the organic pollutant three in dissolved oxygen and the sewage is able to abundant contact.Simultaneously, also can play the active sludge sedimentary effect in the aeration tank in the pond that prevents.

But there is the problem that can not be ignored in the decoration form of existing aerator: aerator can cause aerator to stop up, and permanent operation also can be caused the breakage of aerator by dust fine sand and microorganic adhesion in the water along with the growth of duration of service.Both of these case all can reduce the aeration efficient of aerator greatly, reduces the sewage treatment capacity of aeration tank, also can increase working cost greatly, thereby the renewal of the stage of aerator is imperative.And existing sewage work lacks the lifting gear of aerator mostly, can only take sewage in the aeration tank is put dried, again aerator is changed, and the sewage treatment capacity of Ying Xiang sewage work not only, and also very inconvenient.

Chinese patent literature CN101508480 discloses a kind of " submergence type lift aeration apparatus ", this submergence type lift aeration apparatus mainly is made of the aerator that is communicated with by inlet pipe and outside air supply source and the gasbag-type that links to each other with this aerator or tubular type floating drum, and described aerator also disposes one can make the lifting steady arm that the aerator lifting is localized, have lifting wire rope; Described aerator is combined by two tubular types or disc type micro-hole aerator at least, and it is in charge of with soft inlet pipe by air inlet and is connected; Described air bag or tubular type floating drum are connected with the peripheral hardware source of the gas by the intake and exhaust flexible pipe; Described lifting steady arm is made up of one group of pulley assembly and lifting wire rope at least; Described pulley assembly also comprises the locating wheel at the bottom of sewage lagoon pool side and the pond, and lifting wire rope through pulley assembly and locating wheel form have pool side vertical section, pond at the bottom of vertical section under horizontal section and the aerator, and finally link to each other with the aerator bottom.

Above-mentioned " submergence type lift aeration apparatus " is though have and aerator dived float in the sewage lagoon maintenance of conveniently locating, be convenient to aerator, be convenient to characteristics such as the long-term continous-stable operation of engineering, but owing to adopt wireline that aerator is promoted, in the lifting process, aerator is subject to hydraulic load influence generation and waves, less stable, simultaneously, wireline is immersed in the sewage for a long time, is subject to the sewage corrosion.

Summary of the invention

But the utility model is at problems such as waving of existing of the lift technique of aerator in the existing sewage disposal, poor stabilities, provides that a kind of lifting process is reliable and stable, the elevated aerating apparatus of good positioning effect.

Elevated aerating apparatus of the present utility model adopts following technical scheme:

This elevated aerating apparatus comprises underframe, aeration plate, guide frame, lifting gear and roller guide assembly; Aeration plate is distributed on the underframe; The both sides of underframe respectively are provided with a guide frame, and guide frame is provided with two guide paths; One cover lifting gear all is installed on two guide frames; Lifting gear comprises motor, worm type of reduction gearing, gear, tooth bar, raising legs and guide plate, motor is connected with the input shaft of worm type of reduction gearing, gear is installed on the output shaft of worm type of reduction gearing, motor and worm type of reduction gearing are fixedly mounted on the guide frame, the wheel and rack engagement, tooth bar is connected on the raising legs, guide plate is fixedly connected on a side of guide frame, guide plate is provided with pilot hole, the lower end of raising legs is connected with underframe, and the top of raising legs is sleeved in the pilot hole of guide plate; Roller guide assembly is installed on the underframe, its quantity is the same with guide path, roller guide assembly comprises bearing, sleeve, roller and erecting frame, sleeve and bearing link together, roller is installed on the erecting frame by mandrel, and the rear sleeve of erecting frame is contained in the sleeve, is provided with spring between the rear portion of erecting frame and the cover tube bottom, the telescopic bottom blocks by bonnet, and roller is in the guide path of guide frame.

Motor and worm type of reduction gearing also can be the worm-gear speed reducers of one.Can adopt frequency control motor.

Be distributed with the self-locking groove in the guide path, so that aerator is fixed on needed position.

The cross section of guide path is the U type.

Guide frame also can be replaced by the aeration pool wall, and guide path can leave on the aeration pool wall.

The utility model meshes the lifting that drives aerator by rack-and-pinion, simultaneously raising legs is led, overcome wirerope and promoted problem of unstable, adopt the roller that floats as guiding parts, make that lifting is more convenient, reduced the lifting resistance, roller can not produce unbalance situation because of water impact with having guaranteed aerator cooperating of guide path in lifting process simultaneously, have that lifting process is reliable and stable, the characteristics of good positioning effect, improved the operation life of whole device.

Description of drawings

Fig. 1 is the structural representation of the elevated aerating apparatus of the utility model.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is that A among Fig. 1 is to view.

Fig. 4 is the structural representation of roller guide assembly in the utility model.

Among the figure: 1, underframe, 2, aeration plate, 3, raising legs, 4, tooth bar, 5, gear, 6, bearing, 7, guide frame, 8, roller guide assembly, 9, guide path, 10, the self-locking groove, 11, motor, 12, worm type of reduction gearing, 13, guide plate, 14, roller, 15, erecting frame, 16, mandrel, 17, sleeve, 18, spring, 19, bonnet.

Embodiment

As Fig. 1, Fig. 2 and shown in Figure 3, elevated aerating apparatus of the present utility model comprises underframe 1, aeration plate 2, guide frame 7, lifting gear and roller guide assembly 8.Aeration plate 2 is distributed on the underframe 1, and is connected with inlet pipe (not drawing among the figure), and inlet pipe is connected with ground source of the gas.The both sides of underframe 1 respectively are provided with a guide frame 7, and guide frame 7 is provided with two guide paths 9, and the bottom of guide path 9 is distributed with self-locking groove 10, self-locking groove 10 curved concave surfaces, and the cross section of guide path 9 is the U type.One cover lifting gear respectively is installed on the guide frame 7.Roller guide assembly 8 is installed on the underframe 1, and its quantity is the same with guide path 9, and matches with guide path 9.During use, guide frame 7 is installed in the aeration in sewage treatment pond.Guide frame 7 also can be replaced by the aeration pool wall, and guide path 9 can leave on the aeration pool wall.

Lifting gear comprises motor 11, worm type of reduction gearing 12, gear 5, tooth bar 4, raising legs 3 and guide plate 13.Motor 11 is connected by the input shaft of shaft coupling with worm type of reduction gearing 12, and gear 5 is installed on the output shaft of worm type of reduction gearing 12.Motor 11 and worm type of reduction gearing 12 are fixedly mounted on the upper end of guide frame 7.Gear 5 and tooth bar 4 engagements, tooth bar 4 is connected on the raising legs 3.Guide plate 13 is fixedly connected on a side of guide frame 7, and guide plate 13 is provided with pilot hole.The lower end of raising legs 3 is connected with underframe 1, and the top of raising legs 3 is sleeved in the pilot hole of guide plate 13, so that raising legs 3 is all around swung moving up and down Shi Buhui.Motor 11 also can be the worm-gear speed reducer of one with worm type of reduction gearing 12.Motor 7 can adopt frequency control motor, with the convenient pulling speed of regulating.Adopting worm type of reduction gearing 12, is to utilize its characteristics with reverse auto-lock function, to guarantee the reliability in the lifting process.

The structure of roller guide assembly 8 comprises bearing 6, sleeve 17, roller 14 and erecting frame 15 as shown in Figure 4, and sleeve 17 links together with bearing 6; Roller 14 is installed on the erecting frame 15 by mandrel 16, can be in the intermediate openings of roller 14, and the front end of erecting frame 15 stretches into this opening and by mandrel 16 roller 14 and erecting frame 15 is linked together, and roller 14 can rotate around mandrel 16; The rear sleeve of erecting frame 15 is contained in the sleeve 17, is provided with spring 18 between the rear portion of erecting frame 15 and sleeve 17 bottoms, and the bottom of sleeve 17 blocks by bonnet 19.Each parts of roller guide assembly 8 guarantee that all by the stainless steel manufacturing whole device has erosion resistance preferably.Roller guide assembly 8 is installed on the underframe 1 by bearing 6.

The working process of the elevated aerating apparatus of the utility model is as follows:

Start two lifting gears on the guide frame 7 simultaneously.Motor 11 rotates by worm type of reduction gearing 12 driven gears 5, gear 5 drives tooth bar 4 and moves up and down, the raising legs 3 that links together with tooth bar 4 moves up and down thereupon, and the underframe 1 that is connected with raising legs 3 also will be raised or fall, and the aeration plate on the underframe 12 is repaired or replaced.

Mesh the lifting that drives whole aerating apparatus by rack-and-pinion, symmetrically arranged two cover lifting gears can guarantee in the lifting process stability that total system promotes.Simultaneously, can also adopt variable-frequency motor to control pulling speed indirectly.Guide plate 13 makes raising legs 3 swing moving up and down Shi Buhui all around, has guaranteed the effective engagement of gear 5 with tooth bar 4, has guaranteed the stability of whole lifting process.

Roller 14 on the roller guide assembly 8 is under the effect of spring 18 in the guide path 9 of guide frame 7, the width of the width of guide path 9 and roller 14 is suitable, promptly guarantee roller 14 unobstructed motion up and down in the lifting process, the lifting resistance is less, the lifting state is comparatively steady, guarantee again that in lifting process the two side pair roller 14 of guide path 9 plays restriction, prevent in lifting process owing to being subjected to water impact to produce wiggly balance phenomenon.During self-locking groove 10 positions in roller 14 moves to guide path 9, under the effect of spring 18, roller 14 enters self-locking groove 10, and then generation self-locking action, under the lifting gear with auto-lock function cooperated, the aeration plate 2 on the underframe 1 can be fixed on this position, so just can guarantee at needed position aeration, not only convenient for maintaining is changed aeration plate 2, also can make aeration plate 2 carry out the aeration operation at different depth of water places.Simultaneously, under the drive of lifting gear, roller 14 also can be deviate from self-locking groove 4, moves up and down.

Claims

1. an elevated aerating apparatus comprises underframe, aeration plate, guide frame, lifting gear and roller guide assembly; Aeration plate is distributed on the underframe; It is characterized in that: the both sides of underframe respectively are provided with a guide frame, and guide frame is provided with two guide paths, and the bottom of guide path is distributed with the self-locking groove; One cover lifting gear all is installed on two guide frames, lifting gear comprises motor, worm type of reduction gearing, gear, tooth bar, raising legs and guide plate, motor is connected with the input shaft of worm type of reduction gearing, gear is installed on the output shaft of worm type of reduction gearing, motor and worm type of reduction gearing are fixedly mounted on the guide frame, the wheel and rack engagement, tooth bar is connected on the raising legs, guide plate is fixedly connected on a side of guide frame, guide plate is provided with pilot hole, the lower end of raising legs is connected with underframe, and the top of raising legs is sleeved in the pilot hole of guide plate; Roller guide assembly is installed on the underframe, its quantity is the same with guide path, roller guide assembly comprises bearing, sleeve, roller and erecting frame, sleeve and bearing link together, roller is installed on the erecting frame by mandrel, and the rear sleeve of erecting frame is contained in the sleeve, is provided with spring between the rear portion of erecting frame and the cover tube bottom, the telescopic bottom blocks by bonnet, and roller is in the guide path of guide frame.

2. elevated aerating apparatus according to claim 1 is characterized in that: be distributed with the self-locking groove in the described guide path.

3. elevated aerating apparatus according to claim 1 is characterized in that: the cross section of described guide path is the U type.