Single-suction type jet aeration device

Abstract

The utility model discloses a single suction type jet aeration device, which relates to the technical field of aeration and comprises a nozzle, an air suction pipe, a suction chamber, a throat pipe and a diffusion pipe, one end of the air suction pipe is communicated with the suction chamber, one end of the nozzle extends into the suction chamber, the nozzle comprises a nozzle main body and an orifice arranged at the outlet end of the nozzle main body, and the orifice is communicated with the throat pipe. One end of the throat pipe is communicated with the suction chamber through a flange plate, the other end of the throat pipe is communicated with the diffusion pipe, and the inner wall of the suction chamber is provided with an anti-blocking self-cleaning mechanism used for reversely washing an orifice of the nozzle; through the anti-blocking self-cleaning mechanism, an orifice area can be regularly and reversely washed through an external high-pressure water gun via the back-washing spray head, so that a biological membrane or particulate matters are prevented from depositing in the spray nozzle to cause blocking, the frequency of shutdown maintenance is reduced, and the output shaft of the waterproof electric telescopic rod drives the back-washing spray head to rotate through the rotating shaft; and the backwashing effect in the nozzle is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to aeration technical field, concretely is a single suction type jet flow aeration device. BACKGROUND

[0002] In the sewage treatment engineering, the aerobic reaction as the main mode of organic matter decomposition needs to have the suitable jet flow aerator for it supplies the sufficient oxygen. Such as the Chinese patent for utility model with the application number CN202122176176.0 discloses a single suction type jet flow aeration device, including: nozzle, suction pipe, suction chamber, throat pipe and diffusion pipe, nozzle includes: nozzle main body and the orifice of setting in nozzle main body outlet end, the orifice is circular ring structure, and includes the first section and the second section that are connected in turn along the jet flow direction, the inner wall of first section is equidiameter, and its inner diameter is less than the inner diameter of nozzle main body outlet end, the inner wall of second section is the flared structure, the first end of second section close to first section is the small head end, and its inner diameter is equal with the inner diameter of first section, the second end away from first section is the big head end, and its inner diameter is less than the inner diameter of nozzle main body outlet end. In the present scheme, through the small mouth design of orifice aperture, to reduce the aperture of nozzle outlet, to increase the flow velocity of nozzle outlet water flow, and then to reduce the pressure in the jet flow device, to make the pressure difference between the inside of jet flow device and the outside be at a large value, to increase the negative pressure effect of jet flow device, can help to improve the aeration effect of jet flow device. However, if the single suction type jet flow aeration device encounters the sewage environment containing solid particles in the use process, the deposition of biofilm or particulate matter in the nozzle interior is easy to appear the blockage, and it needs to stop and maintain. SUMMARY

[0003] To solve the defects existing in the prior art, the utility model provides a single suction type jet flow aeration device.

[0004] To solve the above technical problem, the utility model provides the following technical scheme:

[0005] The utility model discloses a single suction type jet flow aeration device, including nozzle, suction pipe, suction chamber, throat pipe and diffusion pipe, one end of suction pipe is linked with suction chamber, one end of nozzle is inserted into the inside of suction chamber, nozzle includes nozzle main body and the orifice of setting in nozzle main body outlet end, one end of throat pipe is linked with suction chamber through flange, the other end of throat pipe is linked with diffusion pipe, the inner wall of suction chamber is equipped with the anti -blockage self -cleaning mechanism for the orifice place of nozzle reverse flushing, the anti -blockage self -cleaning mechanism includes the flush pipe of setting on the pipe wall of suction chamber, the inner end of flush pipe is connected with the backflushing nozzle head towards the orifice place of nozzle through flexible tube, the inner wall of suction chamber is equipped with the support of Y shape, backflushing nozzle head is connected on the support through pivot, the support is connected with the waterproof electric telescopic link of driving backflushing nozzle head rotation through pivot, the outer end portion of flush pipe is connected with high pressure water gun.

[0006] As a preferred technical scheme of the utility model, the orifice is a circular ring structure, and the orifice comprises a first section and a second section connected in sequence along a jet direction, the outer diameter of the orifice is equal to the outer diameter of the outlet end of the nozzle main body, the inner wall of the second section is provided as a flared structure, and the second section is provided with a hole diameter adjusting assembly.

[0007] As a preferred technical scheme of the utility model, the hole diameter adjusting assembly is connected to the outlet end of the nozzle main body through a fixing assembly.

[0008] As a preferred technical scheme of the utility model, the fixing assembly comprises a connecting sleeve pipe screwed to the outlet end of the nozzle main body, and one end of the connecting sleeve pipe is provided with a connecting snap ring.

[0009] As a preferred technical scheme of the utility model, the hole diameter adjusting assembly comprises a mounting ring plate provided on the connecting snap ring, the inner diameter of the mounting ring plate is the same as the large diameter of the second section, and an annular memory alloy ring is arranged at the edge of the end of the mounting ring plate away from the orifice.

[0010] As a preferred technical scheme of the utility model, the mounting ring plate is provided with an excitation unit, the excitation unit can transmit energy to the annular memory alloy ring to cause the annular memory alloy ring to deform.

[0011] As a preferred technical scheme of the utility model, the material of the nozzle is a silicon carbide composite material.

[0012] The utility model has the advantages of:

[0013] The single-suction jet aeration device can periodically reverse flush the orifice area through the reverse flush nozzle of the externally connected high-pressure water gun, prevents the deposition of biological membranes or particulate matters in the nozzle to cause blockage, reduces the frequency of shutdown maintenance, and makes the reverse flush effect in the nozzle better through the rotation of the output shaft of the waterproof electric telescopic rod and the rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.

[0015] Figure 1 It is a structure schematic view of a single-suction jet aeration device of the utility model,

[0016] Figure 2 It is a sectional view of a single-suction jet aeration device of the utility model,

[0017] Figure 3It is the anti-blocking self-cleaning mechanism sectional view of the single-suction type jet flow aeration device of the utility model.

[0018] Figure 4 It is the aperture adjusting assembly and fixed assembly connection sectional view of the single-suction type jet flow aeration device of the utility model.

[0019] In the drawing: 1, nozzle;101, nozzle main body;102, orifice;1021, first section;1022, second section;103, aperture adjusting assembly;1031, mounting ring plate;1032, annular memory alloy ring;1033, excitation unit;104, fixed assembly;1041, connecting sleeve;1042, connecting snap ring;2, air suction pipe;3, suction chamber;4, throat pipe;5, diffusion pipe;6, anti-blocking self-cleaning mechanism;7, flushing pipe;8, hose;9, backwashing nozzle;10, support;11, waterproof electric telescopic rod. DETAILED DESCRIPTION

[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] Embodiment: as shown in Figure 1 , Figure 2 and Figure 3 , the utility model discloses a single-suction type jet flow aeration device, including nozzle 1, air suction pipe 2, suction chamber 3, throat pipe 4 and diffusion pipe 5, one end of air suction pipe 2 is linked with suction chamber 3, one end of nozzle 1 extends to the inside of suction chamber 3, and nozzle 1 includes nozzle main body 101 and the orifice 102 at the export end of nozzle main body 101, one end of throat pipe 4 is communicated with suction chamber 3 through flange, and the other end of throat pipe 4 is communicated with diffusion pipe 5, the inner wall of suction chamber 3 is equipped with the anti-blocking self-cleaning mechanism 6 for the reverse flushing of the orifice of nozzle 1;The anti-blocking self-cleaning mechanism 6 includes the flushing pipe 7 on the pipe wall of suction chamber 3, the inner end of flushing pipe 7 is connected with the backwashing nozzle 9 towards the orifice of nozzle 1 through hose 8, the inner wall of suction chamber 3 is equipped with the support 10 of Y shape, the backwashing nozzle 9 is connected on support 10 through pivot, support 10 is connected with waterproof electric telescopic rod 11 for driving backwashing nozzle 9 rotation through pivot, and the outer end of flushing pipe 7 is connected with high-pressure water gun, by being equipped with anti-blocking self-cleaning mechanism 6, the orifice 102 area can be periodically backwashed through backwashing nozzle 9 through the high-pressure water gun of external connection, the deposition of biological membrane or particulate matter in the inside of nozzle 1 is prevented to cause the blockage, the frequency of shutdown maintenance is reduced, and the output shaft of waterproof electric telescopic rod 11 makes backwashing nozzle 9 rotate through pivot, so that the backwashing effect in the inside of nozzle 1 is better.

[0022] Specifically, as Figure 4As shown, the orifice 102 is a circular ring structure, and the orifice 102 includes a first section 1021 and a second section 1022 connected in turn along the jet direction, the outer diameter of the orifice 102 is equal to the outer diameter of the outlet end of the nozzle body 101, the inner wall of the second section 1022 is provided as a flared structure, a hole diameter adjusting assembly 103 is provided at the second section 1022, the hole diameter adjusting assembly 103 is connected to the outlet end of the nozzle body 101 through a fixing assembly 104, the fixing assembly 104 includes a connecting sleeve 1041 screwed to the outlet end of the nozzle body 101, one end of the connecting sleeve 1041 is provided with a connecting snap ring 1042, the hole diameter adjusting assembly 103 includes a mounting ring plate 1031 provided on the connecting snap ring 1042, the inner diameter of the mounting ring plate 1031 is the same as the large diameter of the second section 1022, an annular memory alloy ring 1032 is provided at the end edge of the mounting ring plate 1031 away from the orifice 102, an excitation unit 1033 is provided on the mounting ring plate 1031, the excitation unit 1033 can transmit energy to the annular memory alloy ring 1032 to cause the annular memory alloy ring 1032 to deform, based on the existing fixed hole diameter structure, the annular memory alloy ring 1032 is added, so that the flared angle behind the second section 1022 of the orifice 102 can be adjusted according to the water flow pressure, the flow rate and energy consumption under different working conditions are balanced, and the efficiency fluctuation problem caused by fixed hole diameter is avoided, in the embodiment, the excitation unit 1033 includes a wire, a power supply and a switch, the annular memory alloy ring 1032 is powered on through the switch to cause the annular memory alloy ring 1032 to deform and shrink. In other embodiments, the excitation unit 1033 can also be a heating device, the heating device heats the annular memory alloy ring 1032 to cause the annular memory alloy ring 1032 to deform and shrink, any device in the prior art that can cause the annular memory alloy ring 1032 to deform can be used as the excitation unit 1033, which is not limited in the embodiment.

[0023] The material of the nozzle 1 is a silicon carbide composite material, which enhances the wear resistance and corrosion resistance of the orifice 102 part, especially suitable for sewage environment containing solid particles, and can prolong the service life of the aerator.

[0024] When working, the single-suction jet aerator can periodically reverse flush the orifice 102 area through the reverse flush nozzle 9 of the external high-pressure water gun through the provided anti-blocking self-cleaning mechanism 6, preventing the deposition of biological membrane or particles in the nozzle 1 to cause blockage, reducing the frequency of shutdown maintenance, and the output shaft of the waterproof electric telescopic rod 11 rotates the reverse flush nozzle 9 through the rotating shaft, so that the reverse flushing effect in the nozzle 1 is better.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A single-suction jet aerator device, comprising a nozzle (1), a suction pipe (2), a suction chamber (3), a throat pipe (4) and a diffuser pipe (5), one end of the suction pipe (2) being in communication with the suction chamber (3), one end of the nozzle (1) extending into the interior of the suction chamber (3), the nozzle (1) comprising a nozzle body (101) and an orifice (102) provided at the outlet end of the nozzle body (101), one end of the throat pipe (4) being in communication with the suction chamber (3) via a flange, the other end of the throat pipe (4) being in communication with the diffuser pipe (5), characterized in that, The inner wall of the suction chamber (3) is provided with an anti-blocking self-cleaning mechanism (6) for back flushing at the orifice of the nozzle (1); The anti-blocking self-cleaning mechanism (6) comprises a flushing pipe (7) arranged on the pipe wall of the suction chamber (3), the inner end of the flushing pipe (7) is connected with a back flushing nozzle (9) towards the orifice of the nozzle (1) through a hose (8), the inner wall of the suction chamber (3) is provided with a Y-shaped bracket (10), the back flushing nozzle (9) is connected with the bracket (10) through a rotating shaft, the bracket (10) is connected with a waterproof electric telescopic rod (11) for driving the back flushing nozzle (9) to rotate through a rotating shaft, and the outer end of the flushing pipe (7) is connected with a high-pressure water gun.

2. A single-suction jet aerator according to claim 1, characterized in that The orifice (102) is a circular ring structure, and the orifice (102) comprises a first section (1021) and a second section (1022) connected in sequence along the jet direction, the outer diameter of the orifice (102) is equal to the outer diameter of the outlet end of the nozzle body (101), the inner wall of the second section (1022) is provided as an expanded structure, and the second section (1022) is provided with a hole diameter adjusting assembly (103).

3. A single-suction fluidic aerator according to claim 2, wherein, The hole diameter adjusting assembly (103) is connected to the outlet end of the nozzle body (101) through a fixing assembly (104).

4. A single-suction fluidic aerator according to claim 3, wherein, The fixing assembly (104) comprises a connecting sleeve (1041) screwed to the outlet end of the nozzle body (101), and one end of the connecting sleeve (1041) is provided with a connecting snap ring (1042).

5. A single-suction fluidic aerator according to claim 4, wherein, The hole diameter adjusting assembly (103) comprises a mounting ring plate (1031) arranged on the connecting snap ring (1042), the inner diameter of the mounting ring plate (1031) is the same as the large diameter of the second section (1022), and an annular memory alloy ring (1032) is arranged at the end edge of the mounting ring plate (1031) away from the orifice (102).

6. A single-suction fluidic aerator according to claim 5, wherein, The mounting ring plate (1031) is provided with an excitation unit (1033), and the excitation unit (1033) can transmit energy to the annular memory alloy ring (1032) to cause the annular memory alloy ring (1032) to deform.

7. A single-suction fluidic aerator according to claim 1, wherein The material of the nozzle (1) is a silicon carbide composite material.

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