CN110683663A

CN110683663A - Surface aerator capable of preventing impeller from winding

Info

Publication number: CN110683663A
Application number: CN201910898780.9A
Authority: CN
Inventors: 张跃; 沈晓凤
Original assignee: CHUANYUAN (CHINA) MACHINERY Co Ltd
Current assignee: CHUANYUAN (CHINA) MACHINERY Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-01-14

Abstract

The invention discloses a surface aerator capable of preventing an impeller from being wound, which comprises a floating barrel with a water absorption channel, a water flow guide plate and a motor, wherein the water flow guide plate is arranged above the floating barrel and is opposite to the water absorption channel, the motor is vertically arranged, the lower end of an output shaft of the motor downwards penetrates out of the water flow guide plate and extends into the water absorption channel, the lower end of the output shaft of the motor is provided with the impeller, the lower part of the floating barrel is connected with a water inlet guide pipe connected with the water absorption channel, a cutting cutter disc is connected between the bottom surface of the floating barrel and the upper end surface of the water inlet guide pipe, an extension part extending into the cutting cutter disc is arranged below the impeller of the output shaft of the motor. The invention solves the problem of foreign body winding of the impeller by cutting the cutter and the cutter disc without influencing the aeration capacity and the aeration efficiency, has simple structure and convenient installation, and prolongs the service life.

Description

Surface aerator capable of preventing impeller from winding

Technical Field

The invention relates to a water treatment technology, in particular to a surface aerator.

Background

In the sewage treatment process, a surface aerator is needed to oxygenate the sewage for the growth and reproduction of beneficial bacteria so as to achieve the purpose of decomposing organic matters in the sewage.

The existing aerator adopts an axial-flow impeller, has strong aeration capacity and high efficiency, but the condition of impeller foreign matter winding is easy to occur, and in order not to influence the use, the foreign matter on the impeller is required to be treated, thus bringing great trouble to the actual use.

Disclosure of Invention

The invention aims to provide a surface aerator for preventing an impeller from being wound, which can prevent foreign matters of the impeller from being wound.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a prevent winding surface aeration machine of impeller, is including the flotation pontoon that has the passageway of absorbing water, locate the flotation pontoon top and just to the rivers baffle and the motor that absorb water the passageway, the rivers baffle is the back taper and covers the passageway top of absorbing water so that the passageway spun rivers that absorb water scatter all around, the lower extreme of the vertical setting of motor and motor output shaft is worn out the rivers baffle downwards and is stretched into in the passageway of absorbing water, the impeller is installed to the lower extreme of motor output shaft, the below of flotation pontoon is connected with the pipe of intaking that meets with the passageway of absorbing water, be connected with the cutting blade dish between the bottom surface of flotation pontoon and the pipe up end of intaking, motor output shaft is equipped with the extension portion that stretches into in the cutting blade dish below the impeller, install the cutting knife that carries out the cutting with the inspiratory.

Optionally, the cutting knife includes a central cylinder located at the center and a plurality of blades connected to the central cylinder.

Optionally, the lower end of the lengthened portion is provided with a threaded head, and the threaded head is connected with a locking nut for locking and fixing the central cylinder.

Optionally, the bottom surface of flotation pontoon encircles the passageway that absorbs water and is equipped with a plurality of screw holes, the upper end outer peripheral edges welded fastening of inlet conduit has flange, and mounting screw passes from flange and cutter dish and is connected with the screw hole.

By adopting the technical scheme, the invention has the following beneficial effects: install the cutting blade dish between flotation pontoon and water inlet pipe, through extension motor shaft installation cutting knife below axial-flow impeller, when the motor rotates, the cutting knife is rotatory along with axial-flow impeller, when the foreign matter passes through, the cutting knife is direct to be cut off the foreign matter, when not influencing aeration ability and aeration efficiency, through the cutting of cutting knife and cutting blade dish, solves the winding problem of impeller foreign matter, simple structure, simple to operate, increase of service life.

The following detailed description of the present invention will be provided in conjunction with the accompanying drawings.

Drawings

The invention is further described with reference to the accompanying drawings and the detailed description below:

FIG. 1 is a schematic view of the general structure of a surface aerator for preventing an impeller from being wound according to the present invention;

fig. 2 is an exploded view of a surface aerator for preventing an impeller from being wound according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Such as the following "upper", "lower", etc., indicating an orientation or positional relationship, is based only on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description, and does not indicate or imply that the referenced devices/elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 and 2, a surface aerator for preventing impeller winding comprises a float bowl 1 with a water absorption channel 11, a water flow guide plate 2 and a motor 3, wherein the water flow guide plate 2 is arranged above the float bowl and is just opposite to the water absorption channel, the water flow guide plate 2 is in an inverted cone shape and covers the water absorption channel so that water sprayed by the water absorption channel is dispersed towards the periphery, and is contacted with air in the flying process to form water drops which collide with the liquid surface when falling down to increase oxygen in water, the motor 3 is vertically arranged, the lower end of a motor output shaft 31 downwards penetrates out of the water flow guide plate and extends into the water absorption channel 11, a rain cover is arranged on the upper side of the motor 3, an impeller 32 is arranged at the lower end of the motor output shaft, and a water inlet guide pipe 6 connected with the water.

In order to realize the cutting to the foreign matter, be connected with cutter dish 4 between the bottom surface of flotation pontoon and the water inlet pipe up end, motor output shaft is equipped with the extension portion that stretches into in the cutter dish below the impeller, install the cutting knife 5 that carries out the cutting with inspiratory foreign matter in the extension portion. When the motor rotates, the cutting knife rotates along with the axial-flow impeller, when foreign matters pass through, the cutting knife directly cuts off the foreign matters, and when the aeration capacity and the aeration efficiency are not influenced, the problem of foreign matter winding of the impeller is solved through the cutting of the cutting knife and the cutting knife disc.

Specifically, the cutting knife comprises a central cylinder positioned in the center and a plurality of blades connected to the central cylinder. In order to install the cutting knife, the lower end of the lengthened part is provided with a thread head, and the thread head is connected with a locking nut 33 for locking and fixing the central cylinder.

The bottom surface of flotation pontoon encircles the passageway that absorbs water and is equipped with a plurality of screw holes, the upper end outer peripheral edges welded fastening of inlet conduit 6 has flange 61, and mounting screw passes from flange and cutter dish and is connected with the screw hole.

In this embodiment, the water flow guide plate 3 is provided with a plurality of support columns 21, and the support columns and the buoy 1 are fixed by screws. The water flow guide plate is integrally cast, is convenient to process, and can ensure that the structure is more stable while parts are reduced.

As an embodiment, the water inlet conduit 6 comprises a straight cylinder section directly communicated with the water absorption channel and a conical cylinder section connected with the bottom end of the straight cylinder section, and the water inlet conduit 6 is formed by welding at least two cylinder bodies.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that the invention is not limited thereto, and may be embodied in other forms without departing from the spirit or essential characteristics thereof. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a prevent winding surface aeration machine of impeller, is including the flotation pontoon that has the passageway that absorbs water, locate the flotation pontoon top and just to the rivers baffle and the motor that absorb water the passageway, the rivers baffle is the back taper and covers the passageway top of absorbing water so that the passageway spun rivers that absorb water scatter all around, the lower extreme of the vertical setting of motor and motor output shaft is worn out the rivers baffle downwards and is stretched into in the passageway that absorbs water, the impeller is installed to the lower extreme of motor output shaft, the below of flotation pontoon is connected with and absorbs water the water pipe that the passageway meets, its characterized in that: be connected with the cutter dish between the bottom surface of flotation pontoon and the water inlet pipe up end, motor output shaft is equipped with the extension portion that stretches into in the cutter dish below the impeller, install the cutting knife that carries out the cutting with inspiratory foreign matter in the extension portion.

2. The surface aerator of claim 1, wherein the impeller is prevented from being wound, and the surface aerator comprises: the cutting knife comprises a central cylinder positioned in the center and a plurality of blades connected to the central cylinder.

3. The surface aerator of claim 2, wherein the impeller is prevented from being wound, and the surface aerator comprises: the lower extreme of extension portion is equipped with the thread head, the thread head is connected with the lock nut who locks central section of thick bamboo fixedly.

4. The surface aerator of claim 1, wherein the impeller is prevented from being wound, and the surface aerator comprises: the bottom surface of flotation pontoon encircles the passageway that absorbs water and is equipped with a plurality of screw holes, the upper end outer peripheral edges welded fastening of pipe of intaking has flange, and mounting screw passes from flange and cutter dish and is connected with the screw hole.