CN210122510U

CN210122510U - Centrifugal aerator with cutting function

Info

Publication number: CN210122510U
Application number: CN201920873566.3U
Authority: CN
Inventors: 陈敏; 张振; 王武
Original assignee: Nanjing Kaipude Pump Co Ltd
Current assignee: Nanjing Kaipude Pump Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-03
Anticipated expiration: 2029-06-12

Abstract

The utility model provides a take cutting function's centrifugal aeration machine, be in including the casing, reach through the bearing setting rotor in the casing, and the cover establish stator on the rotor, its characterized in that, the casing lower part is equipped with the mixing chamber, mixing chamber periphery intercommunication has a plurality of diffusion tubes, the rotor end stretches into in the mixing chamber just rotor end connection has the cutting impeller, the mixing chamber bottom is provided with the air inlet chamber, air inlet chamber outside intercommunication has the intake pipe, the casing top is provided with the flotation pontoon, the flotation pontoon with through connecting rod fixed connection between the casing. The utility model discloses compact structure, it is convenient to install and overhaul, has and prevents to block up the function.

Description

Centrifugal aerator with cutting function

Technical Field

The utility model relates to an aeration machine field particularly, relates to a take centrifugal aeration machine of cutting function.

Background

At present, an aerator is widely applied to an aeration tank of a sewage treatment plant to oxygenate and mix mixed liquid of sewage and sludge, the types of aeration mainly comprise surface aeration, shallow aeration and deep aeration, and the aerator mainly comprises a jet type aerator and a centrifugal type aerator.

However, the centrifugal aerator in the prior art has the following disadvantages and shortcomings in practical application: (1) when the existing centrifugal aerator is used in a severe environment, the problems that an impeller is blocked and a motor is damaged due to fiber matters, and aeration effect is poor due to the fact that aeration openings are blocked by bottom sediments are solved; (2) when the aerator is installed and overhauled, if the sewage pool has water, personnel can not go into the pool to operate, a crane is required to stretch into the pool to hoist or discharge the water in the pool for carrying, and the installation form needs to be supported by a hard foundation or a platform, so that the operation is complex.

SUMMERY OF THE UTILITY MODEL

The defect that exists to prior art, the utility model provides a take cutting function's centrifugal aeration machine to the easy when being overhauld by debris impeller and aeration mouth and installation of aeration machine when using of the aeration machine among the solution prior art, the problem of operation complicacy.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a take cutting function's centrifugal aeration machine, includes the casing, and sets up through the bearing rotor in the casing, and the cover establish stator on the rotor, the casing lower part is equipped with the mixing chamber, mixing chamber periphery intercommunication has a plurality of diffusion tubes, the rotor end stretches into in the mixing chamber just rotor end connection has cutting impeller, the mixing chamber bottom is provided with the air inlet chamber, air inlet chamber outside intercommunication has the intake pipe, the casing top is provided with the flotation pontoon, the flotation pontoon with through connecting rod fixed connection between the casing.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, the fixed bolster is installed on the flotation pontoon top, the connecting rod passes the flotation pontoon just the connecting rod top with the fixed bolster is connected.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, the four corners of fixed bolster is connected with the stay cord, the stay cord other end and pool wall fixed connection, just install the turnbuckle on the stay cord.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, the notch has been seted up to flotation pontoon one side, and the connecting rod of being convenient for and intake pipe pass.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, the surface of water is stretched out on the intake pipe top, just intake pipe top fixed mounting has the muffler.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, casing upper end is provided with the terminal box.

According to the utility model discloses a centrifugal aeration machine of area cutting function that embodiment provided, the cutting impeller is discoid cutting impeller, just alloy tool bit is installed to the cutting impeller bottom.

The beneficial effects of the utility model include: the cutting impeller is arranged in the mixing chamber, the alloy cutter head is arranged on the cutting impeller, air is naturally sucked into the mixing chamber through the air inlet pipe during operation, the fiber entering the mixing chamber is cut by the alloy cutter head, the blockage is prevented, and the aeration effect is improved; centrifugal aeration machine passes through the flotation pontoon subassembly suspension in the pond, avoids the bottom of the pool deposit to cause the jam, and when the installation was overhauld, the accessible stay cord shifted aeration machine to the pond limit, easy access and maintenance.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

fig. 1 is a schematic view showing an installation of a centrifugal aerator with a cutting function according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the centrifugal aerator in FIG. 1;

FIG. 3 is a top view of the spar of FIG. 1.

Reference numbers in the figures: 1-shell, 2-rotor, 3-stator, 4-mixing chamber, 5-cutting impeller, 6-diffuser, 7-air inlet chamber, 8-air inlet pipe, 9-silencer, 10-junction box, 11-buoy, 12-connecting rod, 13-fixed support, 14-pull rope, 15-turnbuckle and 16-notch.

Detailed Description

It is easily understood that, according to the technical solution of the present invention, a plurality of alternative structural modes and implementation modes can be proposed by those skilled in the art without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

An embodiment according to the present invention is shown in conjunction with fig. 1 and 2. The utility model provides a take cutting function's centrifugal aeration machine, includes casing 1, is provided with rotor 2 through the bearing in the casing 1, has cup jointed stator 3 on the

rotor

2, and 1 upper end of casing is provided with terminal box 10, and terminal box 10 is used for providing the electric energy and playing the control action for rotor 2 and stator 3. The 1 lower part of casing is equipped with

mixing chamber

4, and 4 periphery intercommunications of mixing chamber have a plurality of diffusion tubes 6, and the center of rotor 2 is the pivot, and in the pivot end penetrated mixing chamber 4, and pivot end fixedly connected with cutting impeller 5, this cutting impeller 5 was discoid cutting impeller, and the alloy tool bit is installed to 5 bottoms of cutting impeller for the fibrous thing in the cutting entering mixing chamber 4 avoids blockking up.

In this embodiment, be provided with air inlet chamber 7 in mixing chamber 4 bottom, air inlet chamber 7 outside intercommunication has intake pipe 8, and the surface of water is stretched out on the 8 tops of intake pipe, and 8 top fixed mounting of intake pipe have muffler 9, and muffler 9 can show the noise that reduces aeration machine during operation and produce.

As shown in fig. 3, in order to facilitate installation and maintenance, a buoy assembly is arranged above the shell 1 of the aerator, the buoy assembly comprises a buoy 11, a connecting rod 12 and a fixed support 13, a notch 16 is formed in one side of the buoy 11, the connecting rod 12 and the air inlet pipe 8 can conveniently penetrate through the notch, the fixed support 13 is installed at the top end of the buoy 11, the connecting rod 12 penetrates through the buoy 11 along the notch 16, the top end of the connecting rod 12 is connected with the fixed support 13, and the bottom end of the connecting rod 12 is fixedly connected with the top end of the shell 1.

Four corners of the fixed bracket 13 are connected with pull ropes 14, the other ends of the pull ropes 14 are fixedly connected with the pool wall, and the pull ropes 14 are provided with flanges for adjusting the tightness of the pull ropes 14.

To sum up, the utility model discloses in operation, make aeration machine suspension in the pond through the flotation pontoon subassembly, avoid the bottom of the pool deposit to block up, under the drive of rotor 2, cutting impeller 5 is high-speed rotatory, form extremely strong negative pressure at cutting impeller 5 import department, inhale air through intake pipe 8, air gets into mixing chamber 4 from air inlet chamber 7, mix a certain proportion of air water in mixing chamber 4, under powerful centrifugal force, along cutting impeller 5 tangential direction through diffuser 6 injection, to the diffusion of circumferencial direction, make rivers to the convection cycle, and its specific surface area of fine crushing microbubble is big, the rising speed is slow, guarantee to mix with water fully, thereby reach the effect of high-efficient oxygenation aeration; the alloy cutter head on the cutting impeller 5 cuts the fiber material entering the mixing chamber 4, so that the blockage is prevented, and the aeration effect is improved.

The beneficial effects of the utility model include: the cutting impeller 5 is arranged in the mixing chamber 4, the alloy cutter head is arranged on the cutting impeller 5, air is naturally sucked into the mixing chamber 4 through the air inlet pipe 8 during operation, the alloy cutter head cuts fiber materials entering the mixing chamber 4, the blockage is prevented, and the aeration effect is improved; centrifugal aeration machine passes through the flotation pontoon subassembly suspension in the pond, avoids the bottom of the pool sediment to cause the jam, and when the installation was overhauld, accessible stay cord 14 shifts the aeration machine to the pond limit, easy access and maintenance.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and these modifications and alterations should fall within the protection scope of the present invention.

Claims

1. The utility model provides a take cutting function's centrifugal aerator, includes casing (1) and is in through the bearing setting rotor (2) in casing (1) and cover are established stator (3) on rotor (2), its characterized in that, casing (1) lower part is equipped with mixing chamber (4), mixing chamber (4) periphery intercommunication has a plurality of diffusion tube (6), rotor (2) end stretches into in mixing chamber (4) just rotor (2) end connection has cutting impeller (5), mixing chamber (4) bottom is provided with air inlet chamber (7), air inlet chamber (7) outside intercommunication has intake pipe (8), casing (1) top is provided with flotation pontoon (11), flotation pontoon (11) with through connecting rod (12) fixed connection between casing (1).

2. The centrifugal aerator with cutting function as claimed in claim 1, wherein a fixing bracket (13) is installed at the top end of the buoy (11), the connecting rod (12) passes through the buoy (11) and the top end of the connecting rod (12) is connected with the fixing bracket (13).

3. The centrifugal aerator with cutting function as claimed in claim 2, characterized in that pull ropes (14) are connected to four corners of the fixed bracket (13), the other ends of the pull ropes (14) are fixedly connected with the tank wall, and the pull ropes (14) are provided with flanges (15).

4. The centrifugal aerator with cutting function as claimed in claim 1, wherein the float bowl (11) is provided with a notch (16) at one side for the connection rod (12) and the air inlet pipe (8) to pass through.

5. The centrifugal aerator with cutting function as claimed in claim 1, wherein the top end of the air inlet pipe (8) extends out of the water surface, and a silencer (9) is fixedly mounted at the top end of the air inlet pipe (8).

6. The centrifugal aerator with cutting function as claimed in claim 1, characterized in that the housing (1) is provided at its upper end with a junction box (10).

7. The centrifugal aerator with cutting function as claimed in claim 1, characterized in that the cutting impeller (5) is a disk-shaped cutting impeller, and an alloy cutter head is installed at the bottom end of the cutting impeller (5).