CN210559674U

CN210559674U - Multistage submersible aerator

Info

Publication number: CN210559674U
Application number: CN201921194735.7U
Authority: CN
Inventors: 刘素红; 王成; 李明
Original assignee: Jiangsu Huangjia Construction Engineering Co Ltd
Current assignee: Jiangsu Huangjia Construction Engineering Co Ltd
Priority date: 2019-07-27
Filing date: 2019-07-27
Publication date: 2020-05-19
Anticipated expiration: 2029-07-27

Abstract

The utility model discloses a multistage diving aerator, which comprises a shell, a first boss which is protruded downwards is arranged at the bottom of the shell, a fixed cover is connected with the first boss by screw thread, an inner groove is arranged at the bottom of the fixed cover, a first water inlet is arranged above the fixed cover, a second water inlet is distributed at the side edge of the fixed cover, a third water inlet is arranged on the first boss, a driving motor is arranged in the shell, an output shaft of the driving motor is connected with a first stirring impeller and a pressurizing impeller, a first filter screen is arranged in the shell, an air inlet pipeline communicated with the shell is connected at the side edge of the shell, a second stirring impeller is arranged in two sides of the shell, an aeration main pipe is arranged at two sides of the shell, the aeration main pipe is connected with an aeration branch pipe, a plurality of aeration spray nozzles are arranged on the aeration branch pipe, a second boss which can be connected with the fixed cover by screw thread is arranged above the shell, and a second boss is, the sealing cover can be in threaded connection with the first boss and is in a floating bed form. The utility model improves the aeration effect.

Description

Multistage submersible aerator

Technical Field

The invention relates to an aerator, in particular to a multistage submersible aerator, which is a novel efficient aerator suitable for improving water quality of landscape water bodies, aerating in aquaculture and treating sewage.

Background

Among conventional sewage treatment methods, aerobic treatment is widely used, which means that aerobic microorganisms in water decompose impurities in water under sufficient oxygen. The sewage treatment process has the problems of insufficient oxygen and uneven distribution of mixed liquor, and seriously influences the treatment effect. The aeration equipment can increase the oxygen content in water by a certain method, and simultaneously stir the water body, so that the life activity of microorganisms is more violent, and the problems of uneven distribution of mixed liquid, sludge sinking and the like are effectively solved. Therefore, aeration apparatuses are widely used in sewage treatment works. Such as: a microporous aeration pipe in oxygen aeration, an aeration rotary disc in an oxidation ditch process, an aeration rotary brush and the like.

In aquaculture, with the rapid development of domestic aquaculture industry, the use of oxygen increasing equipment plays a considerable role. The research of oxygenation equipment in China begins in the seventies of the last century, and along with the development of aquaculture to high-density and mechanized aquaculture technology, various oxygenation aeration machines appear in the market, and the aeration oxygenation equipment oxygenizes oxygen to a water body, improves the dissolved oxygen content of the water body, promotes the convection exchange speed of the water body, eliminates harmful gas, improves the vitality of fish bodies, increases the yield per unit area, and meanwhile, plays a certain role in oxygenation and purification of aquaculture water bodies.

The traditional aeration equipment can be divided into three types of aeration by oxygen blowing, mechanical aeration and jet aeration, the principles are different, the advantages and the disadvantages are different, wherein the aeration effect of the oxygen blowing is the best, but a blower room and an aeration pipe network need to be built, so that the investment is large; the mechanical aeration is convenient to install and maintain, but the aeration on the water surface has poor oxygenation effect; the jet aeration is carried out underwater aeration, the efficiency is low, and the blockage is easy, so the current aeration structure is single, and the aeration effect is poor.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provide a multistage submersible aerator which can realize selection of aeration modes according to needs and finally improve aeration effect.

In order to achieve the above object, a multistage submersible aerator designed by the present invention, as shown in the drawings, includes a housing, a first boss protruding downward is disposed at the bottom of the housing, a fixing cover with a hollow interior is connected to the first boss by a screw thread, an inner groove is disposed at the bottom of the fixing cover, a first water inlet is disposed above the fixing cover, a second water inlet communicated with the first water inlet is annularly disposed at the side edge of the fixing cover, a third water inlet communicated with the first water inlet and the interior of the housing is disposed on the first boss, a driving motor is disposed in the housing, an output shaft of the driving motor is connected with a first stirring impeller below and a pressurizing impeller above the first stirring impeller, a first filter screen separating the housing into an upper layer and a lower layer is disposed in the housing, an output shaft of the driving motor penetrates through the first filter screen, and the pressurizing impeller is disposed above the first filter screen, first impeller is located the below of first filter screen, is connected with the admission line who link up with the casing below at the side of casing, the admission line stretches out behind the liquid level can be connected with the air-blower, and the admission line is located the below of first filter screen, all is equipped with second impeller in the casing both sides of the below of first filter screen, all is equipped with the aeration in the both sides of the casing of first filter screen top and is responsible for, be connected with detachable aeration in the aeration and divide the pipe, be equipped with more than one aeration shower nozzle on the aeration divides the pipe, be equipped with the second boss that can be connected with fixed cover screw thread in the top of casing, threaded connection has sealed lid on the second boss, sealed lid can also with first boss threaded connection, sealed lid is the floating bed form.

When the aeration type is selected according to needs, for example, when a product needs to be placed into the bottom of liquid for aeration, the sealing cover is detached, the fixed cover is in threaded connection with the first boss, then the product is placed into the bottom of a water body, the driving motor is started to work at the moment, the first stirring impeller is driven, the booster impeller is driven to simultaneously drive the motor corresponding to the second first stirring impeller to work, so that negative pressure is generated inside the first stirring impeller and the booster impeller after the first stirring impeller and the booster impeller work synchronously, water enters the shell through the first water inlet after entering from the second water inlet, meanwhile, oxygen is brought into the lower part of the shell through the air inlet pipeline on the side by the air blower and also enters the lower part of the shell synchronously, and under the action of the booster impeller, after being filtered through the first filter screen, the water and the oxygen are mixed and then are discharged through the main aeration pipe, the branch aeration pipe and the aeration nozzle, can be with fixed lid and second boss threaded connection this moment, then enter into the inside gravity that produces of fixed lid through the second water inlet, then in submerging whole product into the water, do not start the motor this moment, utilize the air-blower to bring oxygen into also synchronous entering casing below and carry out gaseous direct aeration treatment, simultaneously when needs with this product in the form of floating the bed to the aeration of water surface, can pack sealed lid into on the second boss, fixed lid and first boss threaded connection, the realization floats whole equipment on the water surface, the fixed lid that utilizes the below stretches into the water in and carries out the aeration operation, consequently, can realize selecting suitable aeration mode more through above-mentioned structural design, make its aeration that realizes multistage mode, finally further improve aeration effect and scope.

In order to improve the sterilization effect, a sterilizer is arranged in the fixed cover.

In order to improve the aeration uniformity, the aeration branch pipe comprises an aeration branch main pipe, wherein an 'Contraband' -shaped aeration branch pipe is connected to the aeration branch main pipe, more than two first aeration small pipes are arranged on an upper transverse pipe of the aeration branch pipe at intervals, more than two second aeration small pipes are arranged on a lower transverse pipe of the aeration branch pipe at intervals, each second aeration small pipe is positioned between every two adjacent first aeration small pipes, and aeration holes are formed in the first aeration small pipes and the second aeration small pipes.

In order to facilitate the fixation, a positioning anchor is detachably connected below the fixed cover.

In order to facilitate the fixation, a detachable floating bed is sleeved outside the fixed cover, and ornamental plants are planted on the floating bed.

In order to facilitate fixing, the floating bed can be sleeved outside the second boss.

In order to further improve the aeration effect, a third impeller positioned outside the output shaft of the driving motor is arranged between the first stirring impeller and the supercharging impeller.

In order to facilitate disassembly, the aeration nozzle is detachably mounted on the aeration branch pipe.

In order to improve the aeration effect, the diameter of the aeration hole is 1.5-2 mm.

In order to improve the filtering effect, a second filter screen is arranged on the second water inlet.

According to the multistage submersible aerator, the appropriate aeration mode can be selected through the structural design, so that the multistage aeration mode is realized, and the aeration effect and range are further improved finally.

Drawings

Fig. 1 is a schematic structural view of a multistage submersible aerator in example 1;

FIG. 2 is a schematic view showing the structure of a multistage submersible aerator in example 2;

FIG. 3 is a schematic structural view of a branched main aeration pipe in example 3;

FIG. 4 is a schematic view showing the structure of a multistage submersible aerator in example 4;

FIG. 5 is a schematic view showing the structure of a multistage submersible aerator in example 5;

fig. 6 is a schematic structural view of a multistage submersible aerator in example 6.

In the reference symbols: the aeration device comprises a shell 1, a first boss 2, a fixed cover 3, an inner groove 4, a first water inlet 5, a second water inlet 6, a third water inlet 7, a driving motor 8, a first stirring impeller 9, a supercharging impeller 10, a first filter screen 11, a second stirring impeller 12, an aeration main pipe 13, an aeration branch pipe 14, an aeration spray head 15, a second boss 16, a sealing cover 17, a sterilizer 18, an aeration branch main pipe 19, an aeration branch pipe 20, an upper transverse pipe 20-1, a lower transverse pipe 20-2, a first aeration small pipe 21, a second aeration small pipe 22, a positioning anchor 23, a floating bed 24, a third impeller 25, a second filter screen 26 and aeration holes 27.

Detailed Description

The invention will be further described with reference to the following examples.

Example 1:

as shown in fig. 1, the multistage submersible aerator provided in this embodiment includes a housing 1, a first boss 2 protruding downward is disposed at the bottom of the housing 1, a fixing cover 3 with a hollow interior is connected to the first boss 2 by a screw thread, an inner groove 4 is disposed at the bottom of the fixing cover 3, a first water inlet 5 is disposed above the fixing cover 3, a second water inlet 6 communicated with the first water inlet 5 is disposed around the side edge of the fixing cover 3, a third water inlet 7 communicated with the first water inlet 5 and the interior of the housing 1 is disposed on the first boss 2, a driving motor 8 is disposed in the housing 1, an output shaft of the driving motor 8 is connected to a first stirring impeller 9 below and a pressurizing impeller 10 above, a first filter screen 11 separating the housing 1 into an upper layer and a lower layer is disposed in the housing 1, an output shaft of the driving motor 8 penetrates through the first filter screen 11, the supercharging impeller 10 is positioned above the first filter screen 11, the first stirring impeller 9 is positioned below the first filter screen 11, the side edge of the shell 1 is connected with an air inlet pipeline communicated with the lower part of the shell 1, the air inlet pipeline can be connected with a blower after extending out of the liquid level, the air inlet pipeline is positioned below the first filter screen 11, the two sides of the shell 1 below the first filter screen 11 are respectively provided with a second stirring impeller 12, the two sides of the shell 1 above the first filter screen 11 are respectively provided with an aeration main pipe 13, the aeration main pipe 13 is connected with a detachable aeration branch pipe 14, the aeration branch pipe 14 is provided with more than one aeration nozzle 15, the shell 1 is provided with a second boss 16 which can be in threaded connection with the fixed cover 3, the second boss 16 is in threaded connection with a sealing cover 17, the sealing cover 17 can also be in threaded connection with the first boss 2, the sealing cover 17 is in the form of a floating bed.

When the aeration type is selected according to needs, for example, when a product needs to be placed into the bottom of liquid for aeration, the sealing cover 17 is detached, the fixed cover 3 is in threaded connection with the first boss 2, then the product is placed into the bottom of a water body, the driving motor 8 is started to work at the moment, the first stirring impeller 9 and the supercharging impeller 10 are driven to simultaneously drive the corresponding motor of the second stirring impeller 12 to work, so that negative pressure is generated inside the first stirring impeller 9 and the supercharging impeller 10 after the first stirring impeller 9 and the supercharging impeller 10 work synchronously, water enters the shell through the first water inlet 5 after entering the second water inlet 6, oxygen is introduced into the lower part of the shell 1 through the air inlet pipeline on the side through the air blower, and the oxygen is filtered through the first filter screen 11, mixed with water and oxygen and then discharged through the main aeration pipe 13, the branch aeration pipe 14 and the nozzle 15, meanwhile, the structure can aerate independently through gas according to the requirement, at the moment, the fixed cover 3 can be connected with the second lug boss 16 through screw threads, then enters the fixed cover 3 through the second water inlet 6 to generate gravity, then sinks the whole product into the water body, does not start the motor at the moment, utilizes the blower to bring oxygen and synchronously enters the lower part of the shell 1 to carry out gas direct aeration treatment, meanwhile, when the product needs to be aerated on the surface of the water body in the form of a floating bed, the sealing cover 17 can be arranged on the second boss 16, the fixed cover 3 is in threaded connection with the first boss 2, so that the whole device floats on the surface of the water body, the fixed cover 3 below is extended into the water body for aeration operation, therefore, through the structural design, a proper aeration mode can be selected more, so that the aeration of a multistage mode is realized, and the aeration effect and range are finally further improved.

Example 2:

as shown in fig. 1, in the multistage submersible aerator according to this embodiment, a sterilizer 18 is provided in the fixing cover 3 to improve the sterilization effect, and the sterilization effect on the water body during aeration is improved by providing the sterilizer.

Example 3:

as shown in fig. 3, in the multistage submersible aerator provided in this embodiment, in order to improve the aeration uniformity, the aeration branch pipe 14 includes an aeration branch main pipe 19, an "Contraband" shaped aeration branch pipe 20 is connected to the aeration branch main pipe 19, two or more first aeration small pipes 21 are arranged on an upper transverse pipe 20-1 of the aeration branch pipe 20 at intervals, two or more second aeration small pipes 22 are arranged on a lower transverse pipe 20-2 of the aeration branch pipe 20 at intervals, each second aeration small pipe 22 is located between two adjacent first aeration small pipes 21, and aeration holes 27 are formed on the first aeration small pipes 21 and the second aeration small pipes 22. In order to improve the aeration effect, the diameter of the aeration hole 27 is 1.5-2 mm. The diameter of the aeration hole 27 is 1.8mm in the embodiment, and the aeration is more uniform and the effect is better through the design of the structure.

Example 4:

as shown in fig. 4, the multistage submersible aerator provided by the embodiment is detachably connected with a positioning anchor 23 below the fixed cover 3 for fixing, and by arranging the positioning anchor 23, when the product is required to be placed in a water body in a later period, the positioning effect can be improved.

In order to facilitate fixation, a detachable floating bed 24 is sleeved outside the fixed cover 3, ornamental plants are planted on the floating bed 24, and meanwhile, the floating bed 24 is arranged, so that the product can also float on the surface of a water body for aeration treatment, finally, the product can select an aeration mode according to more needs, and further adapt to different aeration requirements.

For ease of attachment, the floating bed 24 may be sleeved over the second boss 16.

Example 5:

as shown in fig. 5, in the multistage submersible aerator provided in this embodiment, in order to further improve the aeration effect, a third impeller 25 located outside the output shaft of the driving motor 8 is disposed between the first stirring impeller 9 and the supercharging impeller 10, and by providing the third impeller 25, the internal negative pressure effect is further improved, so that finally, the external water is brought into the housing 1 quickly, and finally, the later aeration effect is improved.

The aeration nozzle 15 is detachably mounted on the aeration branch pipe 14 for convenient disassembly.

Example 6:

as shown in fig. 6, in the multistage submersible aerator provided in this embodiment, in order to improve the filtering effect, the second filter screen 26 is disposed on the second water inlet 6, and the second filter screen 26 is disposed to further improve the working efficiency in the housing 1, thereby avoiding the influence of internal blockage on the aeration effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multistage diving aerator comprises a shell (1) and is characterized in that a first boss (2) protruding downwards is arranged at the bottom of the shell (1), a fixed cover (3) which is hollow inside is connected to the first boss (2) in a threaded manner, an inner groove (4) is arranged at the bottom of the fixed cover (3), a first water inlet (5) is arranged above the fixed cover (3), a second water inlet (6) communicated with the first water inlet (5) is annularly distributed at the side edge of the fixed cover (3), a third water inlet (7) communicated with the first water inlet (5) and the inside of the shell (1) is arranged on the first boss (2), a driving motor (8) is arranged in the shell (1), an output shaft of the driving motor (8) is connected with a first stirring impeller (9) at the lower part and a pressurizing impeller (10) at the upper part, a first filter screen (11) for isolating the shell (1) into an upper layer and a lower layer is arranged in the shell (1), the output shaft of the driving motor (8) penetrates through the first filter screen (11), the supercharging impeller (10) is positioned above the first filter screen (11), the first stirring impeller (9) is positioned below the first filter screen (11), the side of the shell (1) is connected with an air inlet pipeline which is communicated with the lower part of the shell (1), the air inlet pipeline can be connected with an air blower after extending out of the liquid level, the air inlet pipeline is positioned below the first filter screen (11), the two sides of the shell (1) below the first filter screen (11) are respectively provided with a second stirring impeller (12), the two sides of the shell (1) above the first filter screen (11) are respectively provided with an aeration main pipe (13), the aeration main pipe (13) is connected with a detachable aeration branch pipe (14), more than one aeration spray nozzle (15) is arranged on the aeration branch pipe (14), the upper part of the shell (1) is provided with a second boss (16) which can be in threaded connection with the fixed cover (3), the second boss (16) is in threaded connection with a sealing cover (17), the sealing cover (17) can be further in threaded connection with the first boss (2), and the sealing cover (17) is in a floating bed form.

2. The multistage submersible aerator according to claim 1, characterized in that a sterilizer (18) is provided in the stationary cover (3).

3. The multistage submersible aerator according to claim 1 or 2, wherein the aeration branch pipes (14) comprise an aeration branch main pipe (19), the aeration branch main pipe (19) is connected with an 'Contraband' -shaped aeration bifurcated pipe (20), the upper cross pipe (20-1) of the aeration bifurcated pipe (20) is provided with more than two first aeration small pipes (21) at intervals, the lower cross pipe (20-2) of the aeration bifurcated pipe (20) is provided with more than two second aeration small pipes (22) at intervals, each second aeration small pipe (22) is positioned between two adjacent first aeration small pipes (21), and the first aeration small pipes (21) and the second aeration small pipes (22) are provided with aeration holes (27).

4. The multistage submersible aerator according to claim 1 or 2, characterized in that a positioning anchor (23) is detachably connected below the stationary cover (3).

5. The multistage submersible aerator according to claim 1 or 2, wherein a detachable floating bed (24) is sleeved outside the fixed cover (3), and ornamental plants are planted on the floating bed (24).

6. The multistage submersible aerator as claimed in claim 5, wherein the floating bed (24) can be sleeved outside the second bosses (16).

7. The multistage submersible aerator according to claim 1 or 2, characterized in that a third impeller (25) is provided between the first stirring impeller (9) and the booster impeller (10), outside the output shaft of the drive motor (8).

8. The multi-stage submersible aerator according to claim 1 or 2, wherein the aeration nozzles (15) are removably mounted to the aeration lances (14).

9. The multistage submersible aerator as claimed in claim 3, wherein the aeration holes (27) have a diameter of 1.5-2 mm.

10. The multistage submersible aerator according to claim 1 or 2, characterized in that a second filter screen (26) is provided on the second water inlet (6).