CN207827954U

CN207827954U - A kind of submersible aerator

Info

Publication number: CN207827954U
Application number: CN201721834283.5U
Authority: CN
Inventors: 杨帆
Original assignee: Huzhou Fluid Membrane Separation Technology Co Ltd
Current assignee: Huzhou Fluid Membrane Separation Technology Co Ltd
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2018-09-07
Anticipated expiration: 2027-12-25

Abstract

The utility model discloses a kind of submersible aerators, including open-topped hollow cylinder, mounting bracket at the top of the hollow cylinder, set on the hollow cylinder bottom and the gas introduction part that is inserted into inside the hollow cylinder, the spiralling flow guide member of guiding flow in the hollow cylinder, the fining air bubbles component that the bubble guided through the flow guide member in the elevating screw flow to be formed is carried out to miniaturization processing above the flow guide member, the fining air bubbles component includes the cylinder that diameter is less than the hollow cylinder, multiple protrusions being radially set to along cylinder on the cylinder outer circumference surface.The utility model is simple in structure, easy to make, of low cost, and the rotation ascending current containing a large amount of dissolved oxygen micro air bubbles can be generated inside aerator, in release to sewage, decomposes the organic matter in sewage for aerobic microbiological and creates good operating environment.

Description

A kind of submersible aerator

Technical field

The utility model is related to field of sewage treatment equipment, more particularly to a kind of submersible aerator.

Background technology

In order to make plant chimney stalk reach can discharge standard, it is net that factory can generally use diversified chemicals to carry out Change, bringing the result is that containing a large amount of organic sludges in reaching the waste water of discharge standard, this organic sludge is to cause ground ball One of the reason of border deteriorates.The organic sludge in sewage is decomposed using aerobic microbiological, makes harmless inorganic sludge, It is current relatively common sewage treatmentmethod.If the dissolved oxygen content in sewage is insufficient, aerobic microbiological cannot be good It plays a role, water treatment effect is caused to decline, and air is added by being forced into sewage in aerator, and sewage is made to be filled with air Point oxygenation, and stirs liquid, accelerates the oxygen in air to be shifted to liquid, prevent sludge from sinking, reinforce organic matter with it is aerobic micro- The contact of biology and dissolved oxygen makes aerobic microbiological efficiently carry out oxygenolysis to the organic matter in sewage, improves dirty The effect of water process.

Utility model content

The purpose of this utility model is to provide a kind of submersible aerator, with simply cleverly structural generation contains a large amount of dissolved oxygens In release to sewage, it is good to decompose the organic matter creation in sewage for aerobic microbiological for the rotation ascending current of micro air bubble Operating environment.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of submersible aerator, including open-topped hollow cylinder, at the top of the hollow cylinder have it is multiple The mounting bracket of aeration opening, set on the hollow cylinder bottom and be inserted into inside the hollow cylinder gas introduction part, be set to The spiralling flow guide member of guiding flow in the hollow cylinder, above the flow guide member will be through The flow guide member guides the fining air bubbles component of the progress miniaturization processing of the bubble in the elevating screw flow to be formed, institute State fining air bubbles component include diameter be less than the hollow cylinder cylinder, it is multiple along cylinder radially be set to the cylinder Protrusion on outer circumference surface.

Preferably, the cylinder includes multiple short cylinders that are mutually chimeric in an axial direction and forming the cylinder, The outer circumference surface of the short cylinder is equipped with multiple protrusions, and the end face of the short cylinder is equipped with for mutual Chimeric central boss and multiple positioning kicks, other end be equipped with respectively with the central boss and the kick The central recess of adaptation and multiple apertures.

Preferably, the flow guide member includes the first guide portion, connection first guide portion and the cylinder Second guide portion of body, first guide portion include small reverse taper, are radially set to the small reverse taper appearance along small reverse taper Multiple vertical guide plates on face, second guide portion include the big reverse taper being adapted to the small reverse taper, along big back taper Body is radially set to multiple curved surface directing plates on the big back taper external surface.

Preferably, each protrusion on the cylinder according to the cylinder axis to being seen from the bottom up with position phase Non-overlapping copies are simultaneously integrally arranged in the form of left-handed rising or dextrorotation rise, and oppositely oriented with the curved surface directing plate.

It dashes forward preferably, the top surface of the big reverse taper is equipped with the center being adapted to the central recess and the aperture It rises and connect protrusion, bottom surface is equipped with bulge loop, and the small reverse taper top surface is equipped with and is adapted to the bulge loop on big reverse taper Groove.

Preferably, the flow guide portion, cylinder and mounting bracket center are equipped with for being inserted into the logical of connecting screw Hole.

Preferably, the hollow cylinder includes the connecting plate being set on outer circumference surface, connection subplate, around bottom inflow Mouth is used to connect the flange of the gas introduction part, the strainer being connected with bottom water inlet, and is fixedly arranged on described hollow The water outlet transverse slat with water outlet of cylinder barrel chamber lower part.

Preferably, the gas introduction part includes the escape pipe being inserted into inside the hollow cylinder, positioned at it is described go out Simultaneously the gas introduction part is installed to the mounting plate on the hollow cylinder with the flange cooperation tracheae outer end.

Preferably, the escape pipe is connected with the water outlet transverse slat, and inner face is higher by the water outlet transverse slat.

In conclusion the utility model has the advantages that：

The gas that the submersible aerator is blown into using the escape pipe high speed of gas introduction part, drive from water outlet transverse slat into The water entered forms the gas liquid mixture that high speed moves upwards, after gas liquid mixture encounters flow guide member, with the back taper at center Body is that axis spiral moves upwards, and can shunt, make to raised both sides when gas liquid mixture continues up the protrusion encountered on cylinder It is higher than the pressure of protrusion upper surface at the pressure of protrusion both sides, the formation of pressure difference makes the bubble in gas liquid mixture from line splitting, Bubble after division hits more protrusions upwards, is split into more cavitation erosion type micro-bubbles；Pressure difference is by the gas of protrusion both sides simultaneously Liquid mixture collaborates high-speed motion at center upward, mutually hits and smashes bubble, finally from center centered on cylinder Barrel top sprays, and by a large amount of dissolved oxygen micro air bubble effective dispersions to sewage, and stirring liquid prevents sludge from sinking, and is aerobic Microorganism creates good operating environment.

Description of the drawings

Fig. 1 is the structural schematic diagram of one embodiment of the utility model；

Fig. 2 is the structural schematic diagram of Section A-A；

Fig. 3 is the attachment structure schematic diagram in fining air bubbles portion and flow guide portion.

Specific implementation mode

The utility model is described in more detail for scheme below in conjunction with the accompanying drawings and preferably.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Embodiment：As shown in Figure 1, a kind of submersible aerator, including open-topped hollow cylinder 1, be set to it is described hollow The mounting bracket 7 with multiple aeration openings 71 at the top of cylinder 1 set on 1 bottom of the hollow cylinder and is inserted into the hollow cylinder 1 The gas introduction part 2 of inside, is set to the spiralling flow guide member 3 of the guiding flow in the hollow cylinder 1 The top of the flow guide member 3 by the bubble in the elevating screw flow formed through the flow guide member 3 guiding into The fining air bubbles component 4 of row miniaturization processing, the fining air bubbles component 4 include the cylinder that diameter is less than the hollow cylinder 1 Body 4 ', multiple protrusions 5 along 4 ' radial direction of cylinder on 4 ' outer circumference surface of the cylinder；The cylinder 4 ' includes multiple Short cylinder 4a~4f that is mutually chimeric in an axial direction and forming the cylinder 4 ', the outer circumference surface of the short cylinder are equipped with Multiple protrusions 5；The flow guide member 3 includes the first guide portion 3a, connection the first guide portion 3a and the circle Second guide portion 3b, the first guide portion 3a of cylinder 4 ' includes small reverse taper 31, is radially set to the small reverse taper 31 Multiple vertical guide plates 33 on outer surface, the second guide portion 3b include the big reverse taper being adapted to the small reverse taper 31 32, the multiple curved surface directing plates 34 being radially set on 32 outer surface of big reverse taper.Gas introduction part 2 by air high speed It is sent into hollow cylinder 1, the flow rich in bubble moved upwards is formed, when by flow guide portion 3, first through the first guide portion The guiding of the upper multiple vertical guide plates of 3a 33, carries out flow regular, keeps flow unanimously upward, then via on the second guide portion 3b The guiding of multiple curved surface directing plates 34 is formed using reverse taper as axial screw ascending current.

As shown in Figure 1, the adjacent short cylinder 4a to connect and 4b, 4b and 4c ... 4e and each protrusion 5 on 4f according to Axial see from the bottom up of cylinder 4 ' is not overlapped each other by position and integrally in arrangement in the form of left-handed rising, still, such feelings Condition is premised on multiple curved surface directing plates 34 on the second guide portion 3b are arranged in the form of dextrorotation rises, when curved surface guides When plate 34 is in left-handed rising, protrusion 5 is the form arrangement that dextrorotation rises, in short, the hand of spiral of curved surface directing plate 34 and protrusion 5 Arragement direction it is opposite.When screw lifting stream reaches fining air bubbles component 4, on the bubbles strike cylinder 4 ' in flow Protrusion 5 shunts flow to raised 5 both sides, and the pressure of 5 both sides of protrusion is caused to be higher than the pressure of 5 upper surface of protrusion, the shape of pressure difference At the bubble made in flow from line splitting, while the flow of 5 both sides of protrusion is collaborated to transport to high speed at raised 5 upper center by pressure difference It is dynamic, it mutually hits and smashes bubble.Because the arragement direction of the hand of spiral of curved surface directing plate 34 and protrusion 5 is on the contrary, after division Bubble hit more protrusions 5 upwards, make bubble splitting be more cavitation erosion type micro-bubbles, finally from the aeration on mounting bracket 7 Mouthfuls 71 spray, and by a large amount of dissolved oxygen micro air bubble effective dispersions to sewage, and stirring liquid prevents sludge from sinking, and is aerobic micro- life Object creates good operating environment.

The protrusion 5 is set on 4 ' outer circumference surface of the cylinder, length and the cylinder 4 ' and the hollow circle The radial width of annulus G between cylinder 1 is adapted, and cross sectional shape can be up-side down triangle shown in FIG. 1, can also be Quadrangle, pentagon, circle, the other shapes such as ellipse.

As shown in figure 3, the short cylinder end face is equipped with for mutually chimeric central boss 41 and multiple positioning With kick 43, other end be equipped with the central recess 42 that is adapted to respectively with the central boss 41 and the kick 43 and Multiple apertures 44；It is prominent that the top surface of the big reverse taper 32 is equipped with the center being adapted to the central recess 42 and the aperture 44 Rise 35 with connect protrusion 36, bottom surface equipped with bulge loop 38,31 top surface of small reverse taper equipped with and the bulge loop on big reverse taper The groove 37 of 38 adaptations.By taking the short cylinder 4e of diagram and short cylinder 4f as an example, the kick 43 on short cylinder 4f is inserted into Corresponding aperture 44 ' on short cylinder 4e, while the correspondence that the central boss 41 on short cylinder 4f is embedded on short cylinder 4e is recessed Hole 42 ', so that adjacent short cylinder link together, the kick is equipped with multiple, and adjacent short cylinder is successively by difference Kick connect into line misregistration with aperture, can make 5 forming position of protrusion on outer circumference surface do not overlap each other and integrally be in a left side The type of attachment that rotation or dextrorotation rise, further, umbo 35 on the second guide portion 3b and connect protrusion 36 with it is short Central recess 42 and each Self Matching of aperture on cylinder, bulge loop 38 are matched with the groove 37 on the first guide portion 3a, to sum up institute It states, the first guide portion 3a connect integral flow guide portion 3, short cylinder with the second guide portion 3b（4a~4f）It connects into whole The cylinder 4 ' of body, and the two also links together.

The flow guide member 3, cylinder 4 ' and 7 center of mounting bracket are equipped with the through-hole for being inserted into connecting screw 6, Connecting screw 6 penetrates through the through-hole and is integral the flow guide portion 3, cylinder 4 ', the connection of mounting bracket 7, and mounting bracket 7 is logical It crosses sealing screw thread or welding links together with hollow cylinder 1.

As shown in Figure 1, 2, hollow cylinder 1 includes the connecting plate 11 being set on outer circumference surface, connection subplate 11 ', the bottom of around Portion's air inlet for connecting the flange 13 of the gas introduction part 2, the strainer 8 being connected with bottom water inlet and fixed The water outlet transverse slat 12 with water outlet in 1 barrel chamber lower part of the hollow cylinder.It is equipped with strainer 8 after the water inlet of bottom, is prevented big Partial impurities enter inside hollow cylinder 1, and water outlet transverse slat 12 makes to enter inside hollow cylinder 1 apart from bottom surface certain distance A small amount of contamination precipitation is in 12 or less transverse slat of water outlet.

The gas introduction part 2 includes the escape pipe 21 being inserted into inside the hollow cylinder 1, is located at the escape pipe 21 Simultaneously the gas introduction part 2 is installed to the mounting plate 22 on the hollow cylinder 1 with the cooperation of the flange 13 outer end；It is described Escape pipe 21 is connected with the water outlet transverse slat 12, and inner face is higher by the water outlet transverse slat 12.The height sent out from escape pipe 21 Fast upward motion of air formation central part pressure is small, and the big situation of lateral pressure under central part drives flow to gather simultaneously toward central part It moves upwards, forms the initial flow rich in bubble moved upwards.

Claims

1. a kind of submersible aerator, it is characterised in that：Including open-topped hollow cylinder（1）, be set to the hollow cylinder（1） Top has multiple aeration openings（71）Mounting bracket（7）, be set to the hollow cylinder（1）The hollow cylinder is simultaneously inserted into bottom （1）Internal gas introduction part（2）, be set to the hollow cylinder（1）The spiralling flow guide portion of interior guiding flow Part（3）, be set to the flow guide member（3）Top will be through the flow guide member（3）Guide the elevating screw formed Bubble in flow carries out the fining air bubbles component of miniaturization processing（4）, the fining air bubbles component（4）It is less than institute including diameter State hollow cylinder（1）Cylinder（4’）, it is multiple along cylinder（4’）It is radial to be set to the cylinder（4’）On outer circumference surface Protrusion（5）.

2. a kind of submersible aerator according to claim 1, it is characterised in that：The cylinder（4’）Including multiple along axis The cylinder is formed to mutual be fitted into（4’）Short cylinder（4a~4f）, the outer circumference surface of the short cylinder is equipped with Multiple protrusions（5）, the end face of the short cylinder, which is equipped with, is used for mutually chimeric central boss（41）With it is multiple fixed Position kick（43）, other end be equipped with respectively with the central boss（41）With the kick（43）The center of adaptation Recess portion（42）With multiple apertures（44）.

3. a kind of submersible aerator according to claim 2, it is characterised in that：The flow guide member（3）Including One guide portion（3a）, connection first guide portion（3a）With the cylinder（4’）The second guide portion（3b）, described first Guide portion（3a）Including small reverse taper（31）, along small reverse taper（31）It is radial to be set to the small reverse taper（31）It is more on outer surface A vertical guide plate（33）, second guide portion（3b）Including with the small reverse taper（31）The big reverse taper of adaptation（32）、 Along big reverse taper（32）It is radial to be set to the big reverse taper（32）Multiple curved surface directing plates on outer surface（34）.

4. a kind of submersible aerator according to claim 3, it is characterised in that：The cylinder（4’）On it is each described Protrusion（5）According to the cylinder（4’）Axial see from the bottom up is not overlapped each other with position and is in integrally left-handed rising or dextrorotation The form of rising arranges, and with the curved surface directing plate（34）It is oppositely oriented.

5. a kind of submersible aerator according to claim 3, it is characterised in that：The big reverse taper（32）Top surface on set Have and the central recess（42）With the aperture（44）The umbo of adaptation（35）With connect protrusion（36）, bottom surface is equipped with Bulge loop（38）, the small reverse taper（31）Top surface is equipped with and the bulge loop on big reverse taper（38）The groove of adaptation（37）.

6. a kind of submersible aerator according to claim 5, it is characterised in that：The flow guide member（3）, cylinder （4’）With mounting bracket（7）Center is equipped with for being inserted into connecting screw（6）Through-hole.

7. a kind of submersible aerator according to claim 1, it is characterised in that：The hollow cylinder（1）It is outer including being set to Connecting plate on periphery（11）, connection subplate（11’）, around bottom air inlet for connecting the gas introduction part （2）Flange（13）, the strainer that is connected with bottom water inlet（8）, and it is fixedly arranged on the hollow cylinder（1）The tool of barrel chamber lower part There is the water outlet transverse slat of water outlet（12）.

8. a kind of submersible aerator according to claim 7, it is characterised in that：The gas introduction part（2）Including inserting Enter the hollow cylinder（1）Internal escape pipe（21）, it is located at the escape pipe（21）Outer end and with the flange（13）Cooperation By the gas introduction part（2）It installs to the hollow cylinder（1）On mounting plate（22）.

9. a kind of submersible aerator according to claim 8, it is characterised in that：The escape pipe（21）With water outlet cross Plate（12）It is connected, and inner face is higher by the water outlet transverse slat（12）.