CN202181237U - Centrifugal combined-type aeration oxygen-increasing machine - Google Patents

Abstract

The utility model discloses a centrifugal combined-type aeration oxygen-increasing machine comprising driving equipment, a negative-pressure oxygen supply pipe, an outer pipe, a blower oxygen supply passage, a pressure-boost flow guide pipe assembly, and a tapered centrifugal propeller, wherein the outer pipe is sleeved on the negative-pressure oxygen supply pipe; the blower oxygen supply passage is formed between an inner pipe and the outer pipe; the pressure-boost flow guide pipe assembly is arranged at the bottom of the outer pipe, and is provided with a plurality of pressure-boost flow guide pipes which are distributed radially in an inclined manner; the tapered centrifugal propeller is connected with the driving equipment, and is embedded in the pressure-boost flow guide pipe assembly; a negative-pressure oxygen inlet passage communicated with the negative-pressure oxygen supply pipe is arranged between the upper tapered body and the middle tapered body of the tapered centrifugal propeller; and a centrifugal water-extracting passage is formed between the middle tapered body and the lower tapered body of the tapered centrifugal propeller. Through the adoption of the centrifugal combined-type aeration oxygen-increasing machine, harmful gas in bottom water can be eliminated effectively; and negative pressure is formed automatically in the negative pressure oxygen inlet passage during the water extracting of the centrifugal propeller, so that external oxygen is led in and fully mixed with water to form tiny oxygen bubbles, and thrown out to the periphery with a larger area through the pressure-boost flow guide pipe assembly. A blower is connected with a plurality of aerators below the front part on the outer side of the pressure-boost flow guide pipe assembly through the blower oxygen supply passage. As the blower is connected with the aerators, when oxygen is jet from the aerator, water sprayed by the pressure-boost flow guide pipe assembly can be thrown out to the periphery with a larger area.

Description

A centrifugal combined aeration and aeration machine

technical field

The utility model relates to the technical field of aeration machines, in particular to a centrifugal combined aeration and aeration machine. the

Background technique

At present, there are various types of aerators used for aquaculture or sewage purification, mainly including jet water spray type, impeller type, waterwheel type and aeration type. Among them, the impeller type and the jet water jet type aerators both use water to be sprayed out to make it contact with the air to achieve the purpose of increasing oxygen. The waterwheel type aerator uses blades to flap in shallow water to cause waves and increase the contact area between the water surface and the air to achieve oxygenation. the

At present, the existing aerators can only increase oxygen on the surface water surface, and the harmful gas in the bottom water cannot be effectively eliminated, and the oxygen increasing effect is not good. The existing aeration and aeration machines use motors to drive air into the water to dissolve oxygen. Although the effect has been improved, the structural design of the current aeration and aeration machines is unreasonable. When the air enters the water body, it is vertically downward. , the buoyancy force received is relatively large, and the time for dissolved oxygen in the water body is short. In addition, in order to realize the air and water body entering into a wider range, the propeller blades driving the water body circulation drive the water flow in the radial or axial direction, which cannot achieve a wide range. convection. the

How to form large-scale aeration convection and solve the disadvantages of high energy consumption and small aeration range of existing aeration aerators is an urgent problem to be solved by those skilled in the art. the

Contents of the invention

In view of this, the utility model provides a centrifugal combined aeration and aeration machine to form large-scale aeration and convection, and solve the disadvantages of high energy consumption and small aeration range of the existing aeration and aeration machines. the

In order to achieve the above object, the utility model provides the following technical solutions:

A centrifugal combined aeration and aeration machine, comprising:

Drive equipment, the output end of which is connected to a cone centrifugal paddle, and the bottom of the cone centrifugal paddle has a water inlet channel;

The negative pressure oxygen supply pipe has a negative pressure oxygen inlet at the upper end, and a concave sealing ring at the lower end to form a clearance fit with the convex sealing ring of the cone on the centrifugal slurry of the cone;

The pressurization guide tube assembly arranged above the driving equipment has several pressurization guide tubes arranged radially and obliquely, and the conical centrifugal paddle extends into the pressurization guide tube assembly;

The blower is connected to a plurality of aeration heads arranged on the front and lower outside of the pressurized draft pipe assembly through the blower oxygen supply channel. the

Preferably, in the above-mentioned centrifugal combined aeration aerator, the cone centrifugal paddles include:

A connecting portion connected to the driving device;

The upper cone arranged on the outer peripheral surface of the connecting part; it has a clearance fit with the bottom of the negative pressure oxygen supply tube;

A negative pressure oxygen inlet channel communicated between the upper cone and the middle cone is provided, and a centrifugal water rejection channel is formed between the middle cone and the lower cone. And the lower cone connected to the upper cone and the middle cone through blades, the lower cone has a water inlet hole communicating with the water inlet channel;

Centrifugal vanes arranged between the upper cone, the middle cone and the lower cone and respectively connected to the three. the

Preferably, in the above-mentioned centrifugal combined aeration and aeration machine, a water inlet channel is provided under the pressurized draft pipe assembly, and the water inlet channel is formed by the outer tube sleeved on the outside of the driving device. formed between. the

Preferably, in the above-mentioned centrifugal combined aeration aerator, it also includes an outer tube on the outside of the negative pressure oxygen inlet pipe, the inner cavity of the outer tube and the fan form a fan oxygen supply channel, and a fan mounting plate is provided on its top, The bottom is connected with the head of the booster nozzle assembly. The fan is arranged on the fan mounting plate, and the driving device is connected and arranged on the bottom of the pressurization guide pipe assembly by a bracket. the

Preferably, in the above-mentioned centrifugal combined aeration aerator, the upper end of the negative pressure oxygen supply pipe is provided with a negative pressure oxygen inlet, and the lower end is provided with a concave sealing ring and a cone convex seal on the cone centrifugal slurry. The ring has a clearance fit. the

Preferably, in the above-mentioned centrifugal combined aeration aerator, the fan oxygen supply channel is connected to the upper end of the outer pipe, and branched out from the bottom of the outer pipe, and branched into A plurality of branches connected by several aeration heads. the

Preferably, in the above-mentioned centrifugal combined aeration and aeration machine, the aeration head is radially distributed and arranged on the front and lower side of the pressurized draft tube assembly, and each group of branch oxygen supply channels is equipped with a one-way valve to prevent sewage from returning to the fan. The fan oxygen supply channel is respectively connected with each of the aeration heads. the

Preferably, in the above-mentioned centrifugal combined aeration and aeration machine, the booster guide tube assembly includes:

Connected with the upper end of the driving device by a bracket;

A number of pressure boosting guide pipes connected with the support and distributed obliquely in a radial shape. the

Preferably, in the above-mentioned centrifugal combined aeration and aeration machine, the pressurization guide pipe is spirally distributed around the head of the pressurization guide pipe assembly, and the pressurization guide pipe and The number of the aeration heads is the same, and they are respectively directed to each of the aeration head devices. the

Preferably, in the above centrifugal combined aerator, the driving device is a submersible motor. the

It can be seen from the above-mentioned technical scheme that the centrifugal combined aeration and aeration machine provided by the utility model drives the cone centrifugal paddle to rotate through the driving equipment, and the water enters from the water inlet channel below the cone centrifugal paddle. Under the centrifugal action of the paddle, the negative pressure oxygen supply pipe has a negative pressure oxygen inlet on its upper end, and the negative pressure oxygen supply pipe automatically forms a negative pressure, so that the water and oxygen pass through the pressurized draft tube assembly to form a high-pressure jet. out. The blower supplies high-pressure oxygen to the aerator head through the oxygen supply channel, and the aeration sprayed by the aerator head is thrown out through the high pressure formed by the pressurized guide tube assembly, and the oxygen sprayed by the aerator head is released to the surrounding area. area thrown. the

The utility model sucks the external air through the negative pressure, and generates aeration by means of blower mechanism oxygen, and its aeration capacity is greatly improved. Since the oxygen supply channel of the fan is connected to the aerator head, the oxygen produced by the fan can be thrown to a wider range. During the process of spraying the high-pressure oxygen of the fan from the aerator head, the water ejected by the pressurized guide pipe assembly Push to throw to a larger area around. A part of the oxygen in the utility model is generated by negative pressure, so its energy consumption is low. During the process of centrifugal pulp water rejection, negative pressure is automatically formed, and the external oxygen is introduced into and fully mixed with water to form tiny oxygen bubbles. The flow tube assembly is thrown out to a larger area around it. the

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative work. the

Fig. 1 is the structural representation of the centrifugal combined aeration aerator that the utility model embodiment provides;

Fig. 2 is the top view structure schematic diagram of the centrifugal combined aeration aerator that the utility model embodiment provides;

Fig. 3 is a partial structural schematic diagram of the centrifugal combined aeration and oxygen generator provided by the embodiment of the present invention. the

Detailed ways

The utility model discloses a centrifugal combined aeration and aeration machine, which can form large-scale aeration convection and solve the disadvantages of high energy consumption and small aeration range of the existing aeration and aeration machines. the

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. the

Please refer to Fig. 1-Fig. 3, Fig. 1 is a schematic structural diagram of the centrifugal combined aeration aerator provided by the embodiment of the utility model; Fig. 2 is a top view of the centrifugal combined aeration aerator provided by the embodiment of the utility model Structural schematic diagram; Fig. 3 is a partial structural schematic diagram of the centrifugal combined aeration and aeration machine provided by the embodiment of the utility model. the

The centrifugal combined aeration and aeration machine provided by the utility model includes a driving device 11 , a negative pressure oxygen supply pipe 8 , a booster guide pipe assembly 6 and a blower fan 1 . Wherein, the output end of driving device 11 is connected with cone centrifugal paddle 9, and driving device 11 is used to drive this cone centrifugal paddle 9 to rotate, and the bottom of cone centrifugal paddle 9 has water inlet channel, along with the cone centrifugal paddle 9 Rotate so that the water flow below the cone centrifugal paddle 9 enters through the water inlet channel below it and is discharged at a high speed. Since the driving device 11 is arranged in water, the utility model can adopt a submersible motor as the driving device 11 . the

Negative pressure oxygen supply pipe 8, its upper end is provided with negative pressure oxygen inlet port 2, and the lower end is provided with concave sealing ring and cone convex sealing ring on the cone centrifugal slurry 9 and is clearance fit. During the rotation process of the cone centrifugal paddle 9, water is thrown out after getting into the water passage 5, so the negative pressure of the cone centrifugal paddle 9 enters the oxygen channel 4 to form a negative pressure automatically. Along with the rotation of the cone centrifugal paddle 9, the water and oxygen are stirred and pulverized together, and then the water and oxygen are thrown to a larger area around. the

The pressurization guide tube assembly 6 is arranged above the driving device 11 , and has several pressurization guide tubes distributed obliquely in a radial shape, and the conical centrifugal paddle 9 extends into the pressurization guide tube assembly 6 . With the rotation of the conical centrifugal paddle 9, under its centrifugal action, the water below it and the air inhaled by the negative pressure oxygen supply pipe 8 are thrown out together, and are pressurized by each pressurization of the booster nozzle assembly 6 The diversion pipe is discharged at high speed. Since the pressurized diversion pipe is distributed radially, the introduced water will be thrown out radially. Since the supercharged diversion pipe is arranged obliquely, the utility model can make the air and water obliquely It enters the water body for effective mixing, eliminates the defect of poor oxygenation effect of the water body below it, can fully convect oxygenation for the entire water body, and significantly improves the oxygenation effect under the condition of low energy consumption. the

The fan 1 is connected to the aeration head 13 arranged on the front and lower outside of the pressurized draft tube assembly 6 through the fan oxygen supply channel 3 . The air generated by driving the fan 1 enters the aeration head 13 through the fan oxygen supply channel 3, and diffuses and escapes in the form of bubbles through the aeration head 13, and dissolves oxygen into the water at the air-liquid interface. the

The centrifugal combined aeration and aeration machine provided by the utility model drives the cone centrifugal paddle 9 to rotate through the driving device 11, and the water enters from the water inlet channel below the cone centrifugal paddle 9, under the centrifugal action of the cone centrifugal paddle 9 , the negative pressure oxygen supply pipe 8 automatically forms a negative pressure, thereby forming a high-pressure ejection to the surroundings through the pressurized draft tube assembly 6 with water and oxygen. The fan 1 supplies the high-pressure oxygen of the fan 1 to the aerator head 13 through the fan oxygen supply channel 3, and the oxygen ejected from the aerator head 13 is thrown out through the high pressure formed by the booster guide tube assembly, and the aerator head 13 is ejected The oxygen is thrown to a larger area around. the

The utility model sucks in the external air through the negative pressure and produces aeration by means of the blower 1 making oxygen respectively, and its aeration capacity is greatly improved. Since the fan oxygen supply channel 3 is connected to the aeration head 13, the oxygen produced by the fan 1 can be thrown to a wider range, and the bubbles generated by the oxygen are ejected by the pressurized guide pipe assembly during the ejection process The water is pushed to be thrown to a larger area around. Part of the oxygen in the utility model is generated by negative pressure, so its energy consumption is low. During the drainage process, negative pressure is automatically formed, and the external oxygen is fully mixed with water to form tiny oxygen bubbles. into a larger area around the throw. the

The cone centrifugal paddle 9 includes a connecting portion, an upper cone, a middle cone, a lower cone and centrifugal blades. Wherein, the connection part is connected with the driving device 11, the upper cone is arranged on the outer peripheral surface of the connection part, the middle cone is arranged in the middle of the cone centrifugal paddle 9, and the lower cone is arranged under the upper cone and the middle cone, And it is connected with the upper cone and the middle cone, and the lower cone has a water inlet hole communicating with the water inlet channel 7 . The centrifugal blades are arranged between the upper cone, the middle cone and the lower cone, and are respectively connected with the three. During the rotation process of the lower cone centrifugal paddle 9 driven by the driving device 11, the centrifugal blades suck the water below the cone centrifugal paddle 9 to the top, and enter the lower cone and the lower cone through the water inlet channel 7 and the water inlet on the lower cone. In the water-throwing channel 5 between the intermediate cones, the water flow is sprayed into the booster guide tube of the booster guide tube assembly 6 through the action of the centrifugal force of the centrifugal blades, and the water flow is sprayed out at a high speed by the booster guide tube. the

A water inlet channel 7 is provided below the pressurized nozzle assembly 6 , and the water inlet channel 7 is formed between the outer tubes sleeved on the outside of the driving device 11 . And an independent water inlet channel can be formed in the water inlet channel 7, so that the water inlet channel 7 is separated from the water outlet channel around the pressurized diversion tube assembly 6, so as to avoid the turbulence of the water inlet and outlet, which will affect the oxygenation effect . the

The utility model can also include an outer pipe, the inner cavity of the outer pipe and the fan 1 form a fan oxygen supply channel 3, and the top of the outer pipe is provided with a fan mounting plate, and the bottom is connected with the head of the booster guide pipe assembly 6. The fan 1 is arranged on the fan mounting plate, and the driving device 11 is connected and arranged on the bottom of the pressurization guide pipe assembly 6 through the bracket 10 . The fan oxygen supply channel 3 is connected to the upper end of the outer pipe, and branches out from the bottom of the outer pipe, and branches into a plurality of branches connected with the plurality of aeration heads 13 respectively. the

The aeration heads 13 are radially arranged on the front and lower sides of the booster guide pipe assembly 6, and each group of branch oxygen supply channels is equipped with a one-way valve to prevent sewage from returning to the fan. The fan oxygen supply channel 3 is respectively connected with each of the aeration heads 13 . the

The booster guide tube assembly 6 includes several booster guide tubes that are connected to the upper end of the driving device 11 by a bracket 10 and distributed obliquely radially. Preferably, the booster nozzles are spirally distributed around the head of the booster nozzle assembly 6, and the number of the booster nozzles is the same as that of the aeration heads 13, and they are respectively directed to each aeration head 13, The water flow ejected from each pressurized nozzle can eject the oxygen bubbles ejected by the aeration head 13 to a farther direction. Since the booster nozzle is spirally distributed around the head of the booster nozzle assembly 6, when water is ejected from the booster nozzle, it can be formed with the booster nozzle assembly 6 as the The swirling flow in the center stirs the water body in a larger area and improves the oxygenation effect. the

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. the

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (10)

1. a centrifugal built-up type aeration oxygen increasing machine is characterized in that, comprising:

Driving arrangement (11), its output terminal are connected with the centrifugal oar of cone (9), and the below of the centrifugal oar of this cone (9) has water entry (7);

Negative pressure oxygen supply pipe (8), its upper end is provided with negative pressure oxygen feeder (2), and the lower end is provided with the spill wear ring and the centrifugal slurry of cone (9) upper cone male adapter is running fit;

Be arranged on the supercharging thrust-augmenting nozzle assembly (6) of said driving arrangement (11) top, it has some supercharging thrust-augmenting nozzles of radial tilt distribution, and the centrifugal oar of said cone (9) stretches in the said supercharging thrust-augmenting nozzle assembly (6);

Blower fan (1), it links to each other with the some aeration heads (13) that are arranged at front lower place, said supercharging thrust-augmenting nozzle assembly (6) outside through blower fan oxygen supply passage (3).

2. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 1 is characterized in that, the centrifugal oar of said cone (9) comprising:

The connection section that links to each other with said driving arrangement (11);

Be arranged on the upper cone on the said connection section periphery, have with negative pressure oxygen supply pipe (8) bottom seals ring and be running fit;

Be arranged on the negative pressure that communicates between said upper cone and the said intermediate cone and advance oxygen passage (4); Form centrifugal water dumping passage (5) between said intermediate cone and its lower cone; And with the lower cone that said upper cone, intermediate cone link to each other through blade, this lower cone has the prosopyle that communicates with said water entry (7);

Be arranged between said upper cone, intermediate cone and the said lower cone, and the centrifuge scraper that links to each other with the three respectively.

3. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 2 is characterized in that the below of said supercharging thrust-augmenting nozzle assembly (6) is provided with water entry (7), and said water entry (7) is by forming between the said outer tube that is set in driving arrangement (11) outside.

4. like claim 1 or 2 or 3 described centrifugal built-up type aeration oxygen increasing machines; It is characterized in that also comprise the outer tube in negative pressure feeding oxygen tube (8) outside, the inner chamber of this outer tube and blower fan (1) form blower fan oxygen supply passage (3); And its top is provided with the blower fan mounting plate; The bottom is connected with supercharging thrust-augmenting nozzle assembly (6) head, and said blower fan (1) is arranged on the said blower fan mounting plate, and said driving arrangement (11) is connected in the bottom of said supercharging thrust-augmenting nozzle assembly (6) by support (10).

5. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 4 is characterized in that the upper end of said negative pressure oxygen supply pipe (8) is provided with negative pressure oxygen feeder (2), and the lower end is provided with the spill wear ring and the centrifugal slurry of cone (9) upper cone male adapter is running fit.

6. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 4; It is characterized in that; Said blower fan oxygen supply passage (3) is connected with it in the upper end of said outer tube, and branch stretches out in the bottom of said outer tube, and is branched off into a plurality of branch roads that link to each other with said some aeration heads (13) respectively.

7. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 6; It is characterized in that; Said aeration head (13) is arranged at front lower place, the supercharging thrust-augmenting nozzle assembly outside by radial distribution; In the said each branch oxygen supply passage vacuum breaker is housed, returns in the blower fan with bilge water resisting, said blower fan oxygen supply passage (3) links to each other with each said aeration head (13) respectively.

8. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 7 is characterized in that, said supercharging thrust-augmenting nozzle assembly (6) comprising:

Link to each other by support (10) with the upper end of said driving arrangement (11);

Link to each other by support (10) with said, and some supercharging thrust-augmenting nozzles of radial tilt distribution.

9. centrifugal built-up type aeration oxygen increasing machine as claimed in claim 8; It is characterized in that; Said supercharging thrust-augmenting nozzle is spiral helicine to be distributed in around the head of said supercharging thrust-augmenting nozzle assembly (6); And said supercharging thrust-augmenting nozzle is identical with the quantity of said aeration head (13), and points to each said aeration head device respectively.

10. like each described centrifugal built-up type aeration oxygen increasing machine of claim 5-9, it is characterized in that said driving arrangement (11) is a submersible machine.

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