CN105565448A - Microbubble generator - Google Patents

Abstract

The present invention relates to a micro-bubble generator, which is put into sewage to generate micro-bubbles to supply oxygen to purify sewage. In more detail, the micro-bubble generator includes: a shell, which forms an inner space, A water inlet and an air inlet for inflowing water and air from the outside are respectively formed on the side and the rear end, and an outlet for discharging microbubbles to the outside is formed at the front end. Water and air collide and generate; the nozzle part is installed inside the housing, and a hollow groove is formed on the front of the discharge port of the housing toward the inside, and a plurality of air pipelines are formed in the hollow groove, In order to allow air to flow in through the air inlet of the case, a plurality of flow pipes are formed at intervals along the circumferential direction of the hollow groove on the side, and the plurality of flow pipes allow water to flow into the hollow groove. . Therefore, the microbubble generator of the present invention has remarkable effects in that it is easy to manufacture because of its simple structure, and it can be used anywhere because it is easy to manufacture in a small size.

Description

microbubble generator

technical field

The invention relates to a microbubble generator (microbubble generator), which is put into sewage to generate microbubbles to supply oxygen to purify sewage.

Background technique

Currently in South Korea, red tides and green tides occur every year due to the lack of oxygen in the water where the water flow is stagnant.

In order to reduce this phenomenon, an oxygen generator (microbubble generator) is installed in the water.

In addition, in order to purify polluted soil, by supplying the polluted soil with ozone water in the form of microbubbles, it can be purified in a relatively short time.

As a prior art for generating such microbubbles, Registered Patent Publication No. 1546593 discloses a microbubble generating device comprising a main body comprising: an inflow part into which mixed water containing air flows; a discharge part, which allows the mixed water flowing in through the inflow part to be discharged; and a generation part which, between the inflow part and the discharge part, generates water with microbubbles according to the interaction of air contained in the mixed water and water. The main body is formed in a cylindrical shape, and the tube holes constituting the inflow portion and the discharge portion are formed at both ends of the cylinder, and a space portion constituting the generating portion is provided inside. A barrel-shaped drum (drum) disposed at a distance from an inner surface of the main body is provided in the generating unit. One side surface of the impacting cylinder that faces the inflow portion is configured as an arc-shaped protruding surface whose central portion protrudes toward the inflow portion side. The impingement cylinder has a concave arc-shaped concave surface in which a central portion is concave toward the discharge portion side on the other side surface located on the surface facing the inflow portion. The body includes: a first case formed with the inflow portion at one end and opened at the other end; and a second case formed with the discharge portion at one end and opened with the other end. The first housings are combined to form the generation part inside. A fixed piece extended from the edge of the impact cylinder is fixed to the first casing.

As yet another prior art, Registered Patent Publication No. 1483412 discloses a microbubble nozzle comprising: a nozzle body having an inflow port formed on one side and a discharge port formed on the other side, and a fluid flow path formed in Between the inlet and the outlet, the cross section is smaller than the inlet and the outlet; the air supply part forms a space outside the flow path, and an air supply hole is formed in the space, In order to supply external air, a plurality of injection holes communicating with the flow path are formed; a spiral fluid supply path is formed on the inner surface of the inlet of the nozzle body, and a fluid is set on the inner surface of the discharge port of the nozzle body. The impact part, and the fluid impact part is composed of a conical core material and fins on the outside of the core material, the fins are formed opposite to the direction of the spiral fluid supply path, and the injection holes are in the It penetrates in a spiral shape in the circumferential direction.

In addition, as an existing technology for improving water quality and soil by using a microbubble generator, Registered Patent Publication No. 1123256 discloses a device for preventing red tides and green tides by using microbubbles, which includes: a raw water supply unit that supplies raw water; oxygen A generation unit, which generates oxygen; an ozone generation unit, which receives the oxygen generated in the oxygen generation unit to generate ozone; a mixing unit, which is connected with the raw water supply unit, the oxygen generation unit, and the ozone generation unit, and receives raw water, oxygen 1. The supply of ozone and mixing separately; the microbubble generation unit, which is connected to the mixing unit, receives the supply of raw water, oxygen and ozone mixed in the mixing unit. The device for preventing and controlling red tide and green tide using micro-bubbles is characterized in that the mixing unit includes: a mixing unit that mixes raw water, oxygen, and ozone; a control unit that adjusts the raw water, oxygen, and ozone supplied to the mixing unit. The amount of ozone; the water quality sensor, which is connected to the control part and measures the pollution concentration of the water quality, so that the mixing unit selectively mixes raw water, oxygen or raw water and ozone according to the pollution concentration of the water quality measured by the water quality sensor, and the The micro-bubble generation unit also includes: a row pipe, which is extended in the water depth direction and can be adjusted according to the length of the water depth; a micro-bubble generation nozzle, which is detachably formed at the tail end of the row pipe, the The device for controlling red tide and green tide using microbubbles includes a horizontal injection unit connected to the rear of the microbubble generating nozzle and diffuses the microbubbles.

However, the disadvantages of the micro-bubble generators listed in the prior art are that they are complicated in structure and difficult to manufacture, and most of them are large in size and occupy a lot of space.

Contents of the invention

The present invention is made to solve the above problems, and the object of the present invention is to provide a microbubble generator which has a simple structure and is easy to manufacture in a small size.

The invention relates to a micro-bubble generator, which is put into sewage to generate micro-bubbles to supply oxygen to purify sewage. The water inlet and the air inlet for inflowing water and air are formed at the front end to discharge microbubbles to the outside, and the microbubbles are generated by the collision of water and air flowing in through the water inlet and the air inlet; the nozzle part, It is installed inside the housing, and a hollow groove is formed toward the inside in front of the outlet where the housing is formed, and a plurality of air pipes are formed in the hollow groove so as to allow air to flow in through the air inlet of the housing. The air flows in, and a plurality of flow pipes are formed at a certain interval along the circumferential direction of the hollow groove on the side, and the plurality of flow pipes allow water to flow into the hollow groove.

Therefore, the microbubble generator of the present invention has remarkable effects in that it has a simple structure, is easy to manufacture, is easy to manufacture in a small size, and can be used anywhere.

Description of drawings

Fig. 1 is a schematic diagram of a microbubble generator of the present invention.

Fig. 2 is a perspective view of a nozzle unit attached to the microbubble generator of the present invention.

Fig. 3 is a front view of a nozzle unit attached to the microbubble generator of the present invention.

Fig. 4 is an A-A cross-sectional view of a nozzle installed in the microbubble generator of the present invention.

Fig. 5 is a schematic diagram of a first embodiment of a microbubble generator according to the present invention.

Fig. 6 is a front view of the nozzle portion of the first embodiment of the microbubble generator according to the present invention.

Fig. 7 is a front view of a nozzle portion of a second embodiment of a microbubble generator according to the present invention.

Fig. 8 is a schematic view of a microbubble generator of the present invention with a porous plate attached thereto.

Fig. 9 is a schematic diagram of a porous plate of the microbubble generator of the present invention.

Fig. 10 is a schematic diagram of an orifice installed in the microbubble generator of the present invention.

Fig. 11 is a partially enlarged view of a schematic view of a microbubble generator of the present invention with orifices installed.

Fig. 12 and Fig. 13 are partial detailed schematic diagrams according to yet another embodiment of the discharge pipe installed in the microbubble generating device of the present invention.

Fig. 14 and Fig. 15 are partial detailed schematic diagrams according to yet another embodiment of the porous plate installed in the microbubble generating device.

detailed description

A micro-bubble generator 100 of the present invention supplies oxygen by putting it into sewage to generate micro-bubbles to purify sewage. The water inflow port 111 and the air inflow port 112 that respectively flow in water and air from the outside are formed at the front end with a discharge port 113 that discharges microbubbles from the water and air inflow through the water inflow port 111 and the air inflow port 112 to the outside. Generated by air collision; nozzle part 120, which is installed inside the housing 110, is formed with a hollow groove 123 toward the inside in front of the discharge port 113 of the housing 110, and the hollow groove 123 is formed with multiple A plurality of air pipes 124 are formed so that the air flowing in through the air inlet 112 of the casing 110 flows in, and on the side, a plurality of flow pipes 125 are formed at intervals along the circumferential direction of the hollow groove 123. The flow pipe 125 allows water to flow into the hollow groove 123 .

The nozzle part 120 includes a first body 121 that matches the inner diameter of the casing 110 and a second body 122 that is smaller in diameter than the first body 121 , and the second body 122 passes through the row of the casing 110 On the outlet 113 side, a water chamber 130 is formed between the side surface of the second body 122 and the inner surface of the housing 110, and the water chamber 130 is a space for storing water flowing in through the water inlet 111 of the housing 110. The first body 121 formed with the air inflow port 112 of the casing 110 is formed with an air chamber 140 which is a space for storing air, and in the hollow groove 123 of the nozzle part 120, the flow pipe The water flowing in at 125 collides with the air flowing in through the air line 124, thereby forming micro-bubbles while forming a vortex.

And the flow pipe 125 is formed on the inner surface of the hollow groove 123 facing the tangential direction.

In addition, the flow pipe 125 is formed on the second body 122 of the nozzle part 120 .

In addition, a discharge pipe 150 is installed at the discharge port 113 of the housing 110, and the microbubbles induced by the discharge pipe 150 are discharged to the outside. form inserted.

Hereinafter, the microbubble generator of the present invention will be described in detail with reference to the drawings.

Fig. 1 is a schematic diagram of a microbubble generator of the present invention.

The present invention relates to a microbubble generator 100, which is put into sewage to generate microbubbles to supply oxygen to purify sewage.

As shown in Figure 1, the microbubble generator 100 of the present invention is described in more detail. On the side of the housing 110 formed with the inner space, a water inlet 111 is formed to allow water to flow in, and a water inlet 111 is formed at the rear end to allow air to flow in. The air flows into the inlet 112.

In addition, a discharge port 113 is formed at the front end of the case 110 to discharge microbubbles generated by collision of water and air flowing in through the water inflow port 111 and the air inflow port 112 to the outside.

In addition, a nozzle part 120 is installed inside the housing 110. In the nozzle part 120, a hollow groove 123 is formed toward the inside in front of the discharge port 113 of the housing 110, and a plurality of air pipes 124 are formed in the nozzle part 120. The hollow groove 123 allows the air flowing in through the air inlet 112 of the casing 110 to flow in; a plurality of flow pipes 125 are formed on the side of the nozzle portion 120 so that water flows into the hollow groove 123 .

Therefore, in the hollow groove 123 of the nozzle part 120, the water flowing in through the flow path pipe 125 and the air flowing in through the air line 124 collide to form a vortex and form microbubbles.

In addition, a discharge pipe 150 is installed at the discharge port 113 of the housing 110. The discharge pipe 150 induces the generated microbubbles to be discharged to the outside. Inserted in the form of the inner underside.

In addition, a water inflow pipe 160 for inducing water inflow is provided at the water inflow port 111 , and an air inflow pipe 170 for inducing air inflow is provided at the air inflow port 112 .

Preferably, the inner shape of the housing 110 should be made in a cylindrical shape, and the outer shape of the nozzle part 120 installed inside the housing 110 should be made in the same cylindrical shape as the inner shape of the housing 110 .

Since the air compressor for supplying air through the air inlet 170 and the water pump for supplying water through the water inlet 111 are commonly used tools, they are not shown in the present invention, and detailed configuration and description are omitted.

Fig. 2 is a perspective view of the nozzle part installed in the microbubble generator of the present invention, Fig. 3 is a front view of the fluid nozzle part installed in the microbubble generator of the present invention, and Fig. 4 is a fluid nozzle installed in the microbubble generator of the present invention Part A-A cross-sectional view.

As shown in FIGS. 2 to 4 , the nozzle part 120 of the present invention includes a first body 121 matching the inner diameter of the casing 110 and a second body 122 with a diameter smaller than the first body 121 .

And the second body 122 is located on the discharge port 113 side of the housing 110, thereby forming a water chamber 130 between the side of the second body 122 and the inner side of the housing 110, and the water chamber 130 is made to pass through the housing. The water flowing into the water inlet 111 of the body 110 is a space for storage.

In addition, an air chamber 140 which is a space for storing air is formed in the first body 121 in which the air inlet 112 of the casing 110 is formed.

The air chamber 140 may be formed in the inner space between the air inlet 112 of the housing 110 where the air flows in and the first body 121, but in order to make the housing 110 smaller in size, a groove is formed in the first body 121, Thereby, a space for storing air is provided.

Moreover, the flow pipe 125 is formed on the second body 122 of the nozzle part 120 and is formed tangentially on the inner surface of the hollow groove 123 so that when water flows into the hollow groove 123 , a vortex is formed to help generate microbubbles.

In addition, the plurality of flow pipes 125 are formed at regular intervals along the circumferential direction of the hollow groove.

In particular, the flow pipe 125 and the air pipe 124 are formed at positions where imaginary extension lines can intersect in the hollow groove 123, so that the air and water flowing into the hollow groove 123 collide with each other, thereby generating microscopic particles more effectively. Air bubbles, the flow pipe 125 allows water to flow in, and the air pipe 124 allows air to flow in.

Preferably, the air pipeline 124 is configured to connect the air chamber 140 and the hollow groove 123 .

In addition, it is preferable that the inlet side of the flow path pipe 125 that allows water to flow into the hollow groove 123 of the nozzle part 120 is formed to have a wide area so that water can flow in better, and is formed so that the diameter becomes gradually smaller toward the inside to a certain depth. decrease.

5 is a schematic view of still another embodiment of the microbubble generator according to the present invention, and FIG. 6 is a front view of a nozzle part of still another embodiment of the microbubble generator according to the present invention.

As shown in FIGS. 5 to 6 , according to yet another embodiment of a microbubble generator 100 , a water inlet 111 is formed on the side of a housing 110 formed with an inner space, and the water inlet 111 flows into the air containing air from the outside. water.

In addition, a discharge port 113 is formed at the front end of the housing 110 to discharge microbubbles generated by the vortex phenomenon of the water flowing in through the water inlet 111 to the outside.

In addition, a nozzle part 120 is installed inside the casing 110. The nozzle 120 has a hollow groove 123 formed on the front surface where the discharge port 113 of the casing 110 is formed, and a hollow groove 123 is formed on the side of the nozzle 120 so that the water flows to the inside. A plurality of flow pipes 125 flow into the hollow groove 123 .

In particular, an air supply device 180 is attached to the water inflow pipe 160 of the water inflow port 111 so that the water flowing into the housing 110 through the water inflow port 111 contains air. The air supply device 180 supplies air to the inside of the water inflow pipe 160 .

The air supply device 180 includes an air nozzle 181 and an air supply pipe 182. The air nozzle 181 injects air to the inside of the water inflow pipe 160. The air supply pipe 182 supplies air to the air nozzle 181. Between 181 and the air supply pipe 182, a check valve (check valve) 182 for controlling air backflow is installed.

In addition, the flow pipe 125 is formed on the inner surface of the hollow groove 123 in the tangential direction, and is formed on the second body 122 of the nozzle part 120 so as to effectively form air bubbles. A discharge pipe 150 is installed to induce the generated microbubbles to be discharged to the outside, and one end of the discharge pipe 150 is inserted in a form close to the inner bottom surface of the hollow groove 123 of the nozzle part 120, so that the generated microbubbles be effectively discharged to the outside.

Fig. 7 is a front view of a nozzle portion of a second embodiment of the microbubble generator according to the present invention.

As shown in Figure 7, the outlet of the air pipeline 124 is formed in the flow pipe 125, so that the water flowing in from the water inlet 111 can move to the hollow groove 123 of the nozzle part 120 through the flow pipe 125, and from the The air discharged from the air duct 124 , which is a passage for moving the air flowing in through the air inlet 112 to the front of the nozzle part 120 , collides to form a vortex more effectively.

Fig. 8 is a schematic diagram of a porous plate attached to the microbubble generator of the present invention, and Fig. 9 is a schematic diagram of the porous plate of the microbubble generator of the present invention.

As shown in FIGS. 8 to 9 , microbubbles can be formed more efficiently by attaching a porous plate a1 formed with a plurality of through holes e inside a discharge pipe 150 that discharges microbubbles to the outside.

A flange (flange) b2 is formed at the tail end portion of the discharge pipe 150, and the discharge pipe 150-1 of the corresponding flange b1 is formed on the flange b2, and the pair of interconnected A porous plate a1 is installed between the flanges b1 and b2.

The perforated plate a1 is circular and formed with a plurality of through holes e, and screw holes f are formed at the edge for fastening and connecting between the flanges b1 and b2 by screws.

In addition, the perforated plate a2 may be additionally attached to the hollow groove 123 formed inside the nozzle part 120 .

Fig. 10 is a schematic view of the microbubble generator of the present invention with orifices installed, and Fig. 11 is a partially enlarged view of the schematic diagram of the microbubble generator of the present invention with orifices installed.

As shown in FIGS. 10 to 11 , by forming the orifice c inside the discharge pipe 150 , the efficiency of microbubble discharge is increased.

Described in more detail, the flange b2 is formed at the tail end portion of the discharge pipe 150, and it is used to connect the discharge pipe 150-1 having the orifice c formed therein. A flange b1 is also formed at one end, so that it is easy to fasten and combine.

In addition, the perforated plate a1 and the orifice c may be provided together.

In addition, by forming the unevenness d on the outer peripheral edge of the discharge pipe 150 inserted into the hollow groove 123 of the nozzle part 120, the swirl flow can be formed more effectively.

12 and 13 are partial detailed schematic views of still another embodiment of the discharge pipe installed in the microbubble generating device of the present invention.

As shown in FIG. 12, the tail end portion of the discharge pipe 150 inserted into the casing 110 and adjacent to the hollow groove 123 of the nozzle portion 120 is formed with a plurality of cut grooves g at intervals along the circumferential direction, so that The mixed fluid of water and air flowing into the discharge pipe 150 flows in irregularly, thereby forming a vortex more effectively, and further forming air bubbles better.

As shown in FIG. 13, yet another difference is that the outlet side of the discharge pipe 150 has a smaller diameter than the inlet side.

Roughly, by making the diameter smaller from the middle of the length of the discharge pipe 150, a short ridge is formed in the middle part of the discharge pipe 150, and a porous plate a3 is installed inside, so that when bubbles are formed through the discharge pipe 150, it can be formed Smaller air bubbles for a more powerful jet when sprayed.

The perforated plate a3 is shown in Figure 13 and Figure 14 .

14 and 15 are partial detailed schematic diagrams according to still another embodiment of the porous plate installed in the microbubble generating device.

The shape of the perforated plate a3 according to yet another embodiment is that a plurality of through holes are formed on a thin plate shape. As shown in FIG. Form into a circle.

Therefore, the microbubble generator of the present invention has remarkable effects in that it is easy to manufacture because of its simple structure, and it can be used anywhere because it is easy to manufacture in a small size.

Label description

100. Bubble generator

110. Housing 111. Water inlet 112. Air inlet

113. Outlet

120. Nozzle part 121. First body 122. Second body

123. Hollow groove 124. Air pipeline 125. Flow pipe

130. Water chamber

140. Air chamber

150, 150-1. Discharge pipe

160. Water inflow pipe

170. Air inflow tube

180. Air supply device 181. Air nozzle 182. Air supply pipe

183. Check valve

a1, a2. Perforated plate b. Flange plate c. Orifice

d. Bump e. Through hole f. Screw hole.

Claims (11)

1. a microbubble maker, generates microbubble carry out oxygen gas-supplying by putting it in sewage, thus purify waste water, it is characterized in that, comprising:

Housing (110), it is formed with internal space, the flow inlet (111) and air inflow aperture (112) that flow into water and air from outside is formed respectively in side and rear end, be formed with the relief outlet (113) of externally being discharged by microbubble in front end, described microbubble is collided by the water and air flowed into by flow inlet (111) and air inflow aperture (112) and generates;

Spray nozzle part (120), it is installed on the inside of described housing (110), inwardly be formed with hollow groove (123) being formed with before the relief outlet (113) of housing (110), multiple airline (124) is formed at described hollow groove (123), to make to be flowed into by air inflow aperture (112) leaked-in air of housing (110), in side, multiple flow channel tube (125) is formed with the form be spaced in intervals along the circumferential direction of hollow groove (123), described multiple flow channel tube (125) makes water flow into described hollow groove (123).

2. microbubble maker according to claim 1, is characterized in that,

Described spray nozzle part (120) comprises the first noumenon (121) mated with the inside diameter of housing (110), and second body (122) less than the diameter of described the first noumenon (121), described second body (122) is positioned at relief outlet (113) side of housing (110), thus hydroecium (130) is formed between the side of the second body (122) and the medial surface of housing (110), described hydroecium (130) is the space of the water that storage is flowed into by the flow inlet (111) of housing (110), air chamber (140) is formed in the first noumenon (121) of the air inflow aperture (112) being formed with housing (110), described air chamber (140) is the space of storage air.

3. microbubble maker according to claim 1, is characterized in that,

Described flow channel tube (125) is formed at the medial surface of hollow groove (123) to tangential direction.

4. microbubble maker according to claim 1, is characterized in that,

Described flow channel tube (125) is formed at second body (122) of spray nozzle part (120).

5. microbubble maker according to claim 1, is characterized in that,

At the relief outlet (113) of described housing (110), vent pipe (150) is installed, the microbubble of described vent pipe (150) inductive formation is externally discharged, and one end of described vent pipe (150) is inserted with the form of closing on hollow groove (123) bottom surface of spray nozzle part (120).

6. a microbubble generator, generates microbubble carry out oxygen gas-supplying by putting it in sewage, thus purify waste water, it is characterized in that, comprising:

Housing (110), it is formed with internal space, the flow inlet (111) that the water that makes to include air flows into from outside is formed in side, be formed with the relief outlet (113) of externally being discharged by microbubble in front end, described microbubble is generated by the vortex phenomenon of the water flowed into by flow inlet (111);

Spray nozzle part (120), it is installed on the inside of described housing (110), inwardly be formed with hollow groove (123) being formed with before the relief outlet (113) of housing (110), in side, multiple flow channel tube (125) is formed with the form be spaced in intervals along the circumferential direction of hollow groove (123), described multiple flow channel tube (125) makes water flow into hollow groove (123)

At water inflow pipe (160), air feeder (180) is installed, described air feeder (180) is to the internal feed air of water inflow pipe (160), and described water inflow pipe (160) makes water flow to the flow inlet (111) of described housing (110).

7. microbubble maker according to claim 6, is characterized in that,

Described air feeder (180) comprises air nozzle (181) and air supply pipe (182), described air nozzle (181) is to the internal spray air of water inflow pipe (160), described air supply pipe (182) is to described air nozzle (181) air supply, between described air nozzle (181) and air supply pipe (182), the check valve (183) controlling air inversion is installed.

8. microbubble maker according to claim 6, is characterized in that,

Described spray nozzle part (120) comprises the first noumenon (121) and second body (122) less than the diameter of described the first noumenon (121) that mate with the inside diameter of housing (110), described second body (122) is positioned at relief outlet (113) side of housing (110), thus hydroecium (130) is formed between the side of the second body (122) and the medial surface of housing (110), described hydroecium (130) is the space of the water that storage is flowed into by the flow inlet (111) of housing (110).

9. microbubble maker according to claim 6, is characterized in that,

Described flow channel tube (125) is formed at the medial surface of hollow groove (123) to tangential direction.

10. microbubble maker according to claim 6, is characterized in that,

Described flow channel tube (125) is formed at second body (122) of spray nozzle part (120).

11. microbubble makers according to claim 6, is characterized in that,

At the relief outlet (113) of described housing (110), vent pipe (150) is installed, the microbubble of described vent pipe (150) inductive formation is externally discharged, and one end of described vent pipe (150) is inserted with the form of closing on hollow groove (123) inner bottom surface of spray nozzle part (120).