CN106660842A

CN106660842A - Microbubble nozzle

Info

Publication number: CN106660842A
Application number: CN201580039456.1A
Authority: CN
Inventors: 金良培
Original assignee: Kk Display Technology
Current assignee: Kk Display Technology
Priority date: 2014-07-23
Filing date: 2015-07-15
Publication date: 2017-05-10
Anticipated expiration: 2035-07-15
Also published as: CN106660842B; WO2016013801A3; WO2016013801A2; KR101483412B1

Abstract

The present invention relates to a microbubble nozzle. The purpose of the present invention is to provide a microbubble nozzle which is capable of forming microbubbles smoothly without the need to drastically decrease the cross section of a flow path for introducing fluid therethrough, and is capable of reducing the generation of water hammering phenomena. The microbubble nozzle comprises: a nozzle main body having an inlet at one side, an outlet at the other side, and a fluid flow path between the inlet and the outlet, the fluid flow path having a smaller cross section compared to the inlet and the outlet; an air supply part having a space part formed at the outer side of the flow path, an air supply hole formed at the space part so as to supply outer air, and a plurality of spray holes intercommunicating with the flow path, the plurality of spray holes being spirally penetrated in a circumferential direction; a spiral fluid supply path formed on the inner surface of the inlet of the nozzle main body; and a fluid collision member installed on the inner surface of the outlet of the nozzle main body, the fluid collision member consisting of a core material in a conical shape and a wing piece outside the core material, wherein the wing piece is formed in a direction opposite to the spiral fluid supply path.

Description

Microbubble nozzle

Technical field

The present invention relates to a kind of microbubble nozzle, more specifically, even if being related to one kind and sharp not reducing fluid stream is supplied The section of the flow path for entering, also successfully forms microbubble, the microbubble nozzle of the generation of reduction water hammer.

Background technology

Generally, in daily life and according to environment etc. using the various methods using bubble, but bubble is not likely to produce, And because the size of produced bubble is larger bubble it is less efficient, especially for purifying water and improving dissolved oxygen, in lake Using various methods such as fountain, waterfall, aeration aeratings in the enclosed waters such as pool, mire or dykes and dams, plant, merging purification tank etc. Bubble is produced, but it has little effect and can only expect small effect.

In the various methods, the particle diameter of the bubble contacted in water and with water is put into greatly to the degree of buoyance lift immediately, So the effect of the degree that cannot expect to increase the dissolved oxygen in water, by oxygen (O) or ozone (O₃) etc. gas put into stream Body and in the case of contacting with the fluid, the particle diameter of 0.2～3mm or so is corresponding with larger bubble, so not only with fluid Contact area it is less, and the buoyance lift speed of gas and, therefore the gas of fluid also shorter with the time of contact of fluid Dissolution rate is very low.

As one of the microbubble nozzle of prior art, there is " the microbubble in Ebrean Registered Patent 10-0938899 Nozzle ".

Fig. 1 is the stereogram of the microbubble nozzle for representing prior art, and Fig. 2 is the microbubble nozzle for representing prior art Profile.

With reference to Fig. 1 and Fig. 2, existing microbubble nozzle includes：Upper body (1), front and rearward openings, in lower end shape Into there is a lower end spiral (1b), the lower end spiral to be spaced along its length every having the multiple first gas streams for not forming spiral Dynamic groove (1a)；Sub-body (2), front and rearward openings, so that the fluid flowed into upper body (1) circulates, in front Side is formed with internal helicoid (2b), and the internal helicoid is corresponding in the first gas flowing groove (1a) with lower end spiral (1b) Position to be spaced to have along its length every not forming multiple second gas flowing grooves (2a) of spiral；Gas supply part (3), position In upper body (1) and the outer peripheral face of sub-body (2), formed at one end and be attached to the gas supply device of outside and receive gas The gas injection port (3a) of body, in the lower end spiral (1b) and the internal helicoid (2b) of sub-body (2) of fastening upper body (1) When, flow into path supply gas to the gas that first gas flowing groove (1a) and second gas flowing groove (2a) are aligned and are formed； And induction portion (4), positioned at the inner side of the sub-body (2), the shape for diametrically rearward reducing from middle body, including tool The bottom that the front surface part and diameter for having identical diameter regularly reduces, for fluid by and pass through gas induced hole Phenomenon.

The existing microbubble nozzle for constituting in this way supplies water in upper end spiral (11) connection of upper body (1) and flows into Pipeline and receive water, gas supply part (3) gas injection port (31) connection outside gas supply device and receive gas Body.

Also, water flows along sub-body, when sub-body (2) is fastened into upper body, gas is along by the first gas The gas of body flowing groove (1a) and second gas flowing groove (2a) shaping flow into path be flowed into sub-body (2) medial surface and In being mixed into water.

The water for being mixed with gas is narrow along what is formed by the medial surface of sub-body (2) and the lateral surface of induction portion (4) Flow channels and with flow velocity increase state pass through.

Now, keep regularly keeping higher stream by the water of the front surface part (4a) of the induction portion with fixed thickness The stable laminar flow of speed, but the flow velocity of the water of the bottom (4b) for passing through induction portion that diameter regularly reduces is slack-off and formed disorderly Stream, produce cavitation because pressure is strongly reduced by rear in the water, so as to be blended in water in gas resolve into it is small The microbubble of size and disengage.

Even if however, existing microbubble nozzle can make inflow narrower to the outside of induction portion (4) in the fluid of inflow entrance Gap between move and mixing air is forming microbubble, there is also following problem：The stream of fluid sharp reduces, so as to Because the pump for supplying fluid sharp stops or produces water hammer starting, therefore the breakage such as microbubble nozzle.

Also, existing microbubble nozzle only receives the compressed air of high pressure, ability from outside gas supply device Microbubble is formed, therefore there is a problem of that manufacturing expense increases.

The content of the invention

The invention problem to be solved

The present invention solving above-mentioned problem of the prior art, even if it is an object of the invention to provide it is a kind of not sharp The section of the flow path flowed into for fluid is reduced, microbubble, the microbubble of the generation of reduction water hammer is also successfully formed Nozzle.

Even if also, it is an object of the invention to provide a kind of gas supply device without outside, can also make microbubble Microbubble nozzle.

The means to solve the problem

Used as the technological thought to reach the present invention, the microbubble nozzle of the present invention includes：Nozzle body, in side shape Into inflow entrance, outlet is formed in opposite side, fluid flow path, the flowing are formed between the inflow entrance and outlet The section in path reduces than the inflow entrance and outlet；And air supply unit, form space in the outside of the flow path Portion, forms air supply hole, to supply extraneous air to the spatial portion, is formed with connection in the multiple of the flow path Spray-hole；And the inner surface in the inflow entrance of the nozzle body forms spiral fluid delivery path.

Also, the inner surface setting liquid collision part of the outlet in the nozzle body.

Also, the liquid collision part includes the blade in the outside of the heartwood and the heartwood of conical form.

Also, the blade is formed in the opposite direction with the spiral fluid delivery path.

Also, form fluid space portion, the shape on the circumferencial direction in the fluid space portion in the outside of the inflow entrance Into fluid feed port.

Also, the spray-hole is in a circumferential direction according to spirality insertion.

Also, the microbubble nozzle of the present invention includes：Nozzle body, in side inflow entrance is formed, and is formed in opposite side and is arranged Outlet, forms fluid flow path between the inflow entrance and outlet, and the section of the flow path is than the inflow entrance And outlet reduces；And air supply unit, spatial portion is formed in the outside of the flow path, air supply hole is formed, so as to Extraneous air is supplied to the spatial portion, the multiple spray-holes connected in the flow path are formed with；And in the nozzle sheet The inner surface setting liquid collision part of the outlet of body.

The blade is formed in the opposite direction with the spiral fluid delivery path.

Also, the microbubble nozzle of the present invention includes：Nozzle body, in side inflow entrance is formed, and is formed in opposite side and is arranged Outlet, forms fluid flow path between the inflow entrance and outlet, and the section of the flow path is than the inflow entrance And outlet reduces；And air supply unit, spatial portion is formed in the outside of the flow path, air supply hole is formed, so as to Extraneous air is supplied to the spatial portion, the multiple spray-holes connected in the flow path are formed with；And in the inflow entrance Outside form fluid space portion, form fluid feed port on the circumferencial direction in the fluid space portion.

Also, the inner surface setting liquid collision part of the outlet in the nozzle body, the liquid collision part The blade in the outside of heartwood and the heartwood including conical form.

Invention effect

As to reach the present invention technological thought, the present invention microbubble nozzle with section than inflow entrance and row The inflow entrance of the nozzle body of the flow path that outlet is reduced forms spiral fluid delivery path, even if thus not sharp The section of the flow path flowed into for fluid is reduced, microbubble also can be successfully formed, be reduced the generation of water hammer.

Also, the microbubble nozzle of the present invention with section than flow path that inflow entrance and outlet reduce nozzle The outlet of body arranges liquid collision part, even if thus sharp not reducing the section of the flow path flowed into for fluid, Also can successfully form microbubble, reduce the generation of water hammer.

The microbubble nozzle of the present invention with section than flow path that inflow entrance and outlet reduce nozzle body The outside of inflow entrance form fluid space portion, form fluid feed port on the circumferencial direction in the fluid space portion, thus Even if sharp not reducing the section of the flow path flowed into for fluid, also can successfully form microbubble, reduce water hammer Generation.

Also, the microbubble of the present invention makes extraneous air flow into section than inflow entrance and the flowing road of outlet diminution Footpath, even if thus can also make microbubble without outside gas supply device.

Description of the drawings

Fig. 1 is the stereogram of the microbubble nozzle for representing prior art.

Fig. 2 is the profile of the microbubble nozzle for representing prior art.

Fig. 3 is the profile of the microbubble nozzle of the present invention.

Fig. 4 is the line A-A profile of Fig. 3.

Fig. 5 is the line B-B profile of Fig. 3.

Fig. 6 is that the spray-hole for representing the present invention is formed as in a circumferential direction the figure of spiral state.

Fig. 7 is the line C-C profile of Fig. 3.

Specific embodiment

Hereinafter, referring to the drawings, composition and effect to embodiments of the invention is illustrated.

However, drawings identified below is to many of the feature effectively to illustrate the present invention with the explanation hereafter told about The explanation for being preferable to carry out method in the method for kind, the present invention is not merely defined in following accompanying drawings and explanation.Also, it is following right When the present invention is illustrated, in the known function or composition for being judged as correlation master unnecessary and that the present invention can be obscured is illustrated In the case of purport, description is omitted.In addition, the art that function of the term hereafter told about for consideration in the present invention is defined Language, it can be different according to user, the intention of fortune user or convention etc..Therefore, in the present invention, should be fixed based on whole contents The justice term.

For result, the technological thought of the present invention is determined by claims, following examples are only to Xiang Benfa Bright person of an ordinary skill in the technical field effectively illustrates the means of the technological thought of the progressive of the present invention.

Fig. 3 is the profile of the microbubble nozzle of the present invention, and Fig. 4 is the line A-A profile of Fig. 3, and Fig. 5 is the line B-B of Fig. 3 Profile, Fig. 6 is that the spray-hole for representing the present invention is formed as in a circumferential direction the figure of spiral state, and Fig. 7 is the C- of Fig. 3 C line profiles.

With reference to Fig. 3 to Fig. 7, the microbubble nozzle (100) of the present invention is including nozzle body (10) and air supply unit (20).

The nozzle body (10) forms inflow entrance (11) in side, outlet (12) is formed in opposite side, in the stream Fluid flow path (13) is formed between entrance (11) and outlet (12), the section of the flow path is than the inflow entrance (11) and outlet (12) reduce.

The air supply unit (20) forms spatial portion (21) in the outside of the flow path (13), forms air supply Hole (22), to supply extraneous air to the spatial portion (21), is formed with the multiple sprays connected in the flow path (13) Perforation (23).

Also, the inner surface preferably in the inflow entrance (11) of the nozzle body (10) forms spiral fluid supply Path (11a).

That is, the fluid from pump (200) transfer can be made to be formed in a fluid by spiral fluid delivery path (11a) Whirlwind is increasing void effect.

Also, the spray-hole (23) makes air be mixed into fixed intervals according to spirality insertion in a circumferential direction In the flowing of fluid.

Also, can be in inner surface setting liquid collision part (30) of the outlet (12) of the nozzle body (10), institute Stating liquid collision part (30) may include the blade (32) in the heartwood (31) of conical form and the outside of the heartwood (31).

That is, in the state of fluid is mixed while by flow path (13) with extraneous air, simultaneously with liquid collision The blade (32) of part (30) is collided and is formed as microbubble, is simultaneously discharged to the outside by outlet (12).

Also, blade (32) described in the rightabout spiralization in the spiral fluid delivery path (11a), from And the flowing of the fluid of the whirlwind form flowed into from inflow entrance (11) is blocked by rightabout spiral and is readily formed micro- Bubble.

Also, fluid space portion (40) is formed in the outside of the inflow entrance (11), in the fluid space portion (40) Fluid feed port (41) is formed on circumferencial direction, thus fluid one side is flowed into from fluid space portion (40), simultaneously in inflow entrance (11) outside along the circumferential direction rotates and produces whirlwind, makes the fluid be flowed into inflow entrance (11) and increases void effect, So as to microbubble can be more easily formed.

As described above, spiral fluid delivery path (11a) can be formed in inflow entrance (11) and increase void effect, Liquid collision part (30) can be set in outlet (12) and increase void effect, individually or can be respectively provided with and constitute as follows：In stream The outside of entrance (11) forms fluid space portion (40), and forms fluid on the circumferencial direction of the fluid space portion (40) Supply mouth (41).

In the microbubble nozzle (100) of the invention for constituting in this way, if connecting pump in inflow entrance (11) side (200) pump (200) is made to operate after, outlet (12) is configured in water, then the fluid for exporting by pump (200) passes through inflow entrance (11), flow path (13) and outlet (12) spray microbubble in water.

Now, the stream of whirlwind form is transferred by being formed in the spiral fluid delivery path (11a) of inflow entrance (11) Body and form hole.

Also, the fluid feed port (41) of the circumferencial direction for passing through fluid space portion (40) enters on the outside of inflow entrance (11) One step makes the fluid of whirlwind form and forms hole.

As described above, in inflow entrance (11) fluid in hole is formed by the section less than inflow entrance (11), so as to pressure Step-down, and speed increase and produce Venturi effect, thus extraneous air spatial portion is trapped in by air supply hole (22) (21) it is mixed into fluid by multiple spray-holes (23) afterwards.That is, the manufacturing expense without the need for outside air generator etc. Reduce.

Now, spray-hole (23) can be along the circumferential direction according to spirality insertion successively to by the stream of flow path (13) Body injection extraneous air (with reference to Fig. 6).

Also, it is mixed with the fluid of the state of compressed air to be ejected into water by outlet (12) and form microbubble, Now the fluid is collided with the blade (32) of the liquid collision part (30) for being formed in outlet (12) and is readily formed micro- Bubble, and then, the blade (32) of liquid collision part (30) is formed in contrary with the spiral fluid delivery path (11a) On direction, so as to microbubble can be more easily formed.

Also, compared with prior art, also successfully produce gas even if sharp not reducing the section of flow path (13) Bubble, the generation for reducing water hammer, so as to can stably use.

An embodiment shown in referring to the drawings describes the present invention, but those skilled in the art It should be understood that being capable of achieving various modifications and other embodiment.

[drawing reference numeral explanation]

100：Microbubble nozzle

10：Nozzle body 11：Inflow entrance

11a：Spiral fluid delivery path 12：Outlet

13：Flow path 20：Air supply unit

21：Spatial portion 22：Air supply hole

23：Spray-hole 30：Liquid collision part

31：Heartwood 32：Blade

40：Fluid space portion 41：Fluid feed port

200：Pump

Claims

1. a kind of microbubble nozzle, it is characterised in that include：

Nozzle body, in side inflow entrance is formed, and in opposite side outlet is formed, and is formed between the inflow entrance and outlet Fluid flow path, the section of the flow path reduces than the inflow entrance and outlet；And

Air supply unit, in the outside of the flow path spatial portion is formed, and air supply hole is formed, so as to the spatial portion Supply extraneous air, is formed with the multiple spray-holes connected in the flow path；And

Spiral fluid delivery path is formed in the inner surface of the inflow entrance of the nozzle body,

In the inner surface setting liquid collision part of the outlet of the nozzle body,

The liquid collision part includes the blade in the outside of the heartwood and the heartwood of conical form,

The blade is formed in the opposite direction with the spiral fluid delivery path,

The spray-hole is in a circumferential direction according to spirality insertion.

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5. microbubble nozzle according to claim 1, it is characterised in that：

Fluid space portion is formed in the outside of the inflow entrance, fluid supply is formed on the circumferencial direction in the fluid space portion Mouthful.

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