TWM573343U - Underwater aeration device - Google Patents

Abstract

A water aeration device comprises an aeration disk, a support unit and a flow guiding unit. The aeration disk includes a base and a diaphragm. The base has an air inlet. The diaphragm is disposed on the base and assembled with the base to form a gas chamber. The diaphragm has a plurality of micro holes, and the gas can be passed through The air inlet flows into the air chamber, and the micropores of the diaphragm flow out of the air chamber. The bracket unit spans the aeration disk. The flow guiding unit is disposed on the bracket unit, and includes a shaft disposed on the bracket unit and extending toward the aeration disc, and a guiding fan rotatably disposed on the shaft, the diversion The fan blade is located between the bracket unit and the aeration disk.

Description

Aeration device in water

The invention relates to a treatment of waste water and sewage, in particular to a water aeration device for aerobic biochemical treatment.

The oxygen supply aeration system is an important step in the biochemical treatment of sewage. By providing an aeration disk in the sewage treatment tank to generate a lot of fine bubbles, the dissolved oxygen in the sewage can be increased to reach an aerobic state, and the biofilm of the microorganism is The aerobic state adsorbs or oxidizes the organic matter in the sewage, so that the treated sewage reaches the discharge standard.

However, the small bubbles formed in the existing aeration tank in the sewage treatment tank will combine with each other as the bubbles rise, the bubble range is gradually reduced, the oxygen transmission effect is poor, and it takes a long time to reach the standard solution of aerobic state. The amount of oxygen, therefore, the operating costs are quite high and still need to be improved.

Therefore, the object of the present invention is to provide a water aerator capable of quickly reaching a standard dissolved oxygen amount.

Therefore, the novel water aeration device comprises an aeration disk, a bracket unit and a flow guiding unit.

The aeration disk includes a base and a diaphragm. The base has an air inlet. The diaphragm is disposed on the base and assembled with the base to form a gas chamber. The diaphragm has a plurality of micro holes, and the gas can be passed through The air inlet flows into the air chamber, and the micropores of the diaphragm flow out of the air chamber. The bracket unit spans the aeration disk. The flow guiding unit is disposed on the bracket unit, and includes a shaft disposed on the bracket unit and extending toward the aeration disc, and a guiding fan rotatably disposed on the shaft, the diversion The fan blade is located between the bracket unit and the aeration disk.

The utility model has the advantages that the flow guiding effect of the rotating fan blade is rotated, and the gradually inflating the bubble pushing flow is further diffused outward to expand the range of the bubble pushing flow, so the novel can be quickly improved It contains oxygen and reaches the standard dissolved oxygen content, which has the effect of low running cost. At the same time, the present invention pushes the flow guiding fan to rotate by the bubble pushing flow formed by the gas through the aeration disk, and does not require additional power, but also saves energy and reduces carbon.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 to FIG. 4, a first embodiment of the water aeration device of the present invention comprises an aeration disk 1, a support unit 2, and a flow guiding unit 3.

The aeration disk 1 is substantially disk-shaped, and the aeration disk 1 includes a base 11, an air inlet pipe 12, and a diaphragm 13. The base 11 has an air inlet 111 extending through the top and bottom in a top-bottom direction Z. The air intake pipe 12 is disposed on the bottom side of the base 11 and is connected to the air inlet 111. The air inlet pipe 12 is used to connect a gas source I. The diaphragm 13 is disposed on the top side of the base 11 in the top and bottom direction Z. The diaphragm 13 has a plurality of micropores 131 penetrating through the top and bottom. In the first embodiment, the diaphragm 13 is made of a rubber material having good elasticity. Preferably, the cross section of each of the micropores 131 in the top-bottom direction Z is substantially an inverted V-shape that is narrower and narrower.

It should be particularly noted that since each microhole 131 is actually very small, for the sake of clarity of the drawing, each microhole 131 drawn in FIG. 3 is an unequal scale enlarged display, only for illustrative purposes. Does not represent its size or proportion.

When the gas continuously supplied from the gas source I flows through the intake pipe 12 and flows into the aeration disk 1 from the air inlet 111, the gas inflates the diaphragm 13 and forms the diaphragm 13 with the base 11. An air chamber 10, and the air chamber 10 is in communication with the air inlet 111. As long as gas continuously flows into the air chamber 10, the diaphragm 13 can be kept in an inflated state, and at the same time, the gas is continuously maintained by the micro chamber. The hole 131 gradually flows out of the plenum 10.

The bracket unit 2 is disposed across the aeration disc 1. In the first embodiment, the bracket unit 2 includes three arms 21 disposed on the base 11, and each adjacent two arms 21 are clamped to each other. An angle q, the angle q is substantially 120 degrees, and the arms 21 extend from the base 11 toward the top side and merge to form a mounting end 22. Preferably, the mounting end 22 is located on the diaphragm 13. Above the center.

Each arm 21 has a connecting end 211 opposite to the mounting end 22, and the mounting end 22 is higher than the connecting end 211 of each arm 21 in the top-bottom direction Z. Preferably, the connecting end The 211 is detachably screwed to the base 11, whereby the bracket unit 2 and the aeration disk 1 can be separated from each other.

In other variations of the first embodiment, the number of the arms 21 can also be two, and each arm 21 is bent upwardly from one side of the base 11 and spans the base 11 and faces the pair. The extension is directed downwardly to the other side of the base 11, and the two arms 21 intersect above the center of the diaphragm 13 and form the mounting end 22, or have the same function of forming the mounting end 22.

The flow guiding unit 3 is disposed on the bracket unit 2 and includes a shaft 31 and a deflector blade 32. The shaft 31 is disposed at the mounting end 22 of the bracket unit 2 and extends in the direction of the top and bottom direction Z toward the aeration disk 1. The end of the shaft 31 away from the aeration disk 1 passes through the mounting end 22 and The screw is screwed to the arms 21, preferably the shaft 31 has an external thread. The guide vane 32 is located between the bracket unit 2 and the aeration disc 1 and is rotatably disposed on the shaft 31. The guide vane 32 has a set of rotating shafts 321 disposed on the shaft 31, and four blades 322 extending outwardly from the rotating shaft 321 , and the vanes 322 are projected within the area of the diaphragm 13 . The leaf surface of one of the blades 322 is substantially curved.

A distance D is defined by the bottom surface of the rotating shaft 321 of the guide vane 32 along the top-bottom direction Z to the top surface of the base 11. Preferably, the distance D is 3 cm to 12 cm. The flow guiding unit 3 further includes a limiting member 33 rotatably screwed to the external thread of the shaft 31 and an adjusting member 34. The position of the adjusting member 34 in the top and bottom direction Z is lower than the limit. And the rotating shaft 321 of the guiding fan blade 32 is located between the limiting member 33 and the adjusting member 34, so that the guiding fan blade 32 can maintain stable rotation while rotating the limiting member 33 and the adjusting The member 34 can drive the deflector blade 32 to move up and down relative to the shaft 31 to adjust the distance D.

In actual use, the first embodiment is installed in a sewage treatment tank (not shown) for treating waste water, and the air inlet pipe 12 is connected to the gas source I, and the gas source I is continuously supplied. The gas enters the aeration disk 1 from the air inlet 111, the diaphragm 13 of the aeration disk 1 is inflated and the gas continuously flows out from the micropores 131 of the diaphragm 13, thereby the sewage A plurality of fine bubble impingements are formed in the treatment tank, and the fluctuations caused by the upward movement of the bubble impingements can push the vanes 322 of the diversion fan blades 32 to rotate. When the flow of the bubbles, which gradually shrinks with the rise, passes through the flow guiding unit 3, the flow guiding effect of the continuous rotation of the blades 322 allows the bubble to flow outwardly and expands the bubbles. The range of the push flow can quickly increase the amount of dissolved oxygen in the sewage treatment tank by the above-mentioned diversion effect. Therefore, the novel can achieve the effect of the standard dissolved gas volume in a short period of time, which can not only greatly save the gas. The power of the source I, at the same time, because the guide vane 32 can automatically rotate without additional power, and has the effect of energy saving and carbon reduction.

In particular, the user can adjust the distance D according to the outer diameter of the aeration disk 1, so that the guiding fan blade 32 is at the optimal height position and optimizes the guiding effect, for example, When the outer diameter of the aeration disk 1 is f200 mm, the distance D is preferably 4 cm to 6 cm; when the outer diameter of the aeration disk 1 is f300 mm, the distance D is preferably 6 cm to 8 cm; When the outer diameter of the aeration disk 1 is f450 mm, the distance D is preferably from 7 cm to 9 cm, and so on, when the outer diameter of the aeration disk 1 is increased, the distance D is also increased, so that The diversion effect is optimized.

Referring to FIG. 5, a second embodiment of the present invention is similar to the first embodiment. The main difference is that:

The bracket unit 2' includes an arm 21 spanning the aeration disk 1 and disposed on the bottom surface 90 of the tank in the sewage treatment tank. The arm 21 has two connection ends 211 screwed to the bottom surface 90 of the groove. And the mounting end 22 between the connecting ends 211 and above the center of the diaphragm 13.

When a plurality of the second embodiment are to be applied to the large-scale sewage treatment tank, since a plurality of the aeration disks 1 need to be provided on the same gas supply pipe member 91, the present invention can adopt one of the support units 2 A plurality of the aeration discs 1 are spanned, and a plurality of the flow guiding units 3 are mounted on the bracket unit 2' at a position corresponding to the aeration disc 1 at the same time, and at the same time, the aeration discs 1 are advanced. The gas pipe 12 is inserted into the gas supply pipe member 91 to complete the installation, and in addition to the effect of rapidly increasing the dissolved oxygen amount by the flow guiding, the component can be simplified and the cost can be saved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧Aeration disk

10‧‧‧ air chamber

11‧‧‧Base

111‧‧‧air inlet

31‧‧‧ shaft

32‧‧‧Flower fan blades

321‧‧‧ shaft

322‧‧‧ leaves

12‧‧‧Intake pipe

13‧‧‧ diaphragm

131‧‧‧Micropores

2, 2'‧‧‧ bracket unit

21‧‧‧ Arm

211‧‧‧Connected end

22‧‧‧Installation end

3‧‧‧Guide unit

33‧‧‧Limited parts

34‧‧‧Adjustment

90‧‧‧Slot bottom

91‧‧‧ gas supply fittings

D‧‧‧Distance

I‧‧‧ gas source

Z‧‧‧ top and bottom direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view of a first embodiment of the aqua aerator according to the present invention; 3 is an exploded perspective view of the first embodiment; FIG. 4 is a top view of the first embodiment; and FIG. 5 is a second embodiment of the water aerator of the present invention; An incomplete cross-sectional schematic.

Claims (10)

A water aeration device comprising: an aeration disk comprising a base and a diaphragm, the base having an air inlet, the diaphragm being disposed on the base and assembled with the base and forming a gas chamber, the diaphragm Having a plurality of micropores through which gas can flow into the plenum, and then exiting the plenum through the micropores of the diaphragm; a bracket unit spanning the aeration disc; and a flow guiding unit disposed at The bracket unit includes a shaft disposed on the bracket unit and extending toward the aeration disc, and a guide vane rotatably disposed on the shaft, the guide vane is located at the bracket unit Between the aeration disk. The aqua aerator according to claim 1, wherein the bracket unit comprises a plurality of arms extending from the base toward the shaft and meeting the one end of the shaft away from the aeration disc. A mounting end is formed, each arm having a connecting end opposite to the mounting end and disposed at the base. The underwater aeration device of claim 2, wherein the connecting end of each arm is detachably disposed on the base. The aqua aerator according to claim 3, wherein the number of the arms is three, and each adjacent two arms are at an angle to each other, the angle being substantially 120 degrees. The aqua aerator according to claim 2, wherein the shaft extends in a top and bottom direction, and the mounting end is higher than the connecting end of each arm in the direction of the top and bottom. The underwater aeration device of claim 1, wherein the flow guiding blade has a set of rotating shafts disposed on the shaft, and a plurality of blades extending outward from the rotating shaft, and the rotating shaft of the guiding fan blade A bottom surface defines a distance along a top-bottom direction to a top surface of the base, and the flow guiding blade is adjustably disposed on the shaft to adjust the distance. The aqua aerator according to claim 6, wherein the distance is from 3 cm to 12 cm. The underwater aeration device of claim 6, wherein the shaft has an external thread, the flow guiding unit further includes a limiting member rotatably screwed to the external thread of the shaft and an adjusting member, The rotating shaft of the guide vane is located between the limiting member and the adjusting member, and the guiding fan is driven to move relative to the shaft by rotating the limiting member and the adjusting member, thereby adjusting the distance. The aqua aerator according to claim 6, wherein the number of the blades is four, and the blades are projected within an area of the diaphragm. The aqua aerator according to claim 1, wherein each of the micropores of the membrane has a substantially V-shaped cross section in a top-bottom direction.